CN101585465A - Checking procedure for speed detecting device of elevator cage - Google Patents
Checking procedure for speed detecting device of elevator cage Download PDFInfo
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- CN101585465A CN101585465A CNA2009101410962A CN200910141096A CN101585465A CN 101585465 A CN101585465 A CN 101585465A CN A2009101410962 A CNA2009101410962 A CN A2009101410962A CN 200910141096 A CN200910141096 A CN 200910141096A CN 101585465 A CN101585465 A CN 101585465A
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Abstract
Provided is a checking procedure for a speed detecting device of an elevator cage. The elevator cage has a speed detecting device arranged near guide ways (2A, 2B) mounted at the wall surface of a hoist trunk and commonly fixedly arranged on the elevator cage for detecting the travel speed of the elevator cage as the speed of the elevator cage, a control device for sending out an urgency signal when the speed of the elevator cage detected through the speed detecting device exceeds the schedule speed, an emergency stop device for clamping the guide ways through the a brake element to produce a brake force so as to brake the elevator cage, and a power-supply apparatus for supplying the power for an emergency braking device to start the emergency stop device according to the input of the urgency signal. In the method, the fixing of the speed detecting device can be relieved in the checking process, so that the speed detecting device descends, thus the schedule speed exceeding state can be simulated to produce, and the descend speed can be detected, thereby the speed detecting device can be checked.
Description
Technical field
The present invention relates to method that the speed detector in the lift car with speed detector is checked.
Background technology
As known technology, following scheme is disclosed, promptly, governor is set on lift car, by use analog rate generation devices such as rotating disk and belting at this governor, perhaps by improving the detection sensitivity of described governor, simulate overspeed condition with the command speed of lift car above specified speed, check the situation (for example with reference to patent documentation 1) of described governor with this with the speed action of regulation.
Patent documentation 1: international publication number WO99/43588.
For the inspection of the speed regulator for elevator that carries out above-mentioned proposition need be used analog rate generation device as the weight thing, owing to need be provided with and operation etc. the analog rate generation device, so when checking, require a great deal of time and the labour.In addition, when changing the sensitivity of governor, because the structure of its structure during with actual travel is different, so may produce difference between the detection speed when detection speed during inspection and actual travel.
Summary of the invention
The object of the present invention is to provide a kind of inspection method that does not need to use the speed detector of the lift car that special device such as analog rate generation device just can check speed detector.
To achieve these goals, a first aspect of the present invention provides a kind of inspection method of speed detector of lift car, it is to have speed detector, control setup, the inspection method of the speed detector of the lift car of emergency braking device and supply unit, wherein, described speed detector is provided with the guide rail that is arranged on hoist trunk wall or lift car both sides is close, usually be fixedly installed on the lift car, detect the moving velocity of this lift car and with it as elevator car speed, described control setup sends out an emergency signal when the speed by the detected lift car of this speed detector has surpassed specified speed, described emergency braking device is clamped described guide rail by braking element and is produced braking force, lift car is braked, described supply unit is powered to described emergency braking apparatus, input according to described emergency signal, make described emergency braking device action, the inspection method of the speed detector of described lift car is characterised in that, when checking, releasing is fixing to described speed detector, this speed detector is descended, simulation ground produces the state that surpasses specified speed, speed during to this decline detects, and thus described speed detector is checked.
According to this structure, speed detector is descended, just can produce overspeed condition with simulating, and can easily speed detector be checked not being provided with under the situation such as special device above specified speed.
The inspection method of the speed detector of the lift car of a second aspect of the present invention is characterised in that, be arranged on the sensor main body of the described speed detector of guiding on the above-below direction at lift car, at ordinary times described speed detector is fixed on the described sensor main body, and when checking, described speed detector is pulled down from described sensor main body, it is descended from sensor main body top, and the speed when detecting this decline, thus described speed detector is checked.
According to this structure, the down maneuver in above-mentioned first aspect, also can in sensor main body, move, so can carry out stable inspection.
The inspection method of the speed detector of the lift car of a third aspect of the present invention is characterised in that to have the impact absorption unit on the described sensor main body, the impact when this impact absorption unit relaxes described speed detector and descends.
According to this structure, can relax the impact that produces when described speed detector descends.
The inspection method of the speed detector of the lift car of a fourth aspect of the present invention is characterised in that to have accelerator module on the described sensor main body, and the speed when this accelerator module descends to described speed detector is quickened.
According to this structure, the speed when described speed detector is descended is quickened, and can further shorten the miles of relative movement when checking, and miniaturization that can implement device.
The inspection method of the speed detector of the lift car of a fifth aspect of the present invention is characterised in that, has reset unit on the described sensor main body, after described speed detector being descended and carried out checking, this reset unit makes described speed detector reset to original position.
According to this structure, after described speed detector being descended and carried out checking, can be reset to original state easily.
The inspection method of the speed detector of the lift car of a sixth aspect of the present invention is characterised in that, by carrying out described inspection with door from the inboard inspection that opens and closes of lift car.
According to this structure, can check from lift car inside.
The inspection method of the speed detector of the lift car of a seventh aspect of the present invention is characterised in that, operation panel in lift car in the lift car has signal wire (SW), the described emergency signal that this signal wire (SW) affirmation is sent from described control setup when the speed of lift car surpasses specified speed.
According to this structure, can make distribution become simple.
The invention effect
According to the present invention, speed detector is descended, just can produce overspeed condition with simulating, and can inspection that carry out speed detector under the situation of special device etc. easily be set above specified speed.
Description of drawings
Fig. 1 is the scheme drawing of the elevator of the expression structure that the inspection method of the speed detector of the lift car of one embodiment of the present invention is specific.
Fig. 2 is the scheme drawing of affirmation picture of the check result of expression elevator car speed detecting device.
Fig. 3 is the scheme drawing of testing fixture of the elevator car speed detecting device of one embodiment of the present invention.
Fig. 4 is the scheme drawing of action of testing fixture of the elevator car speed detecting device of other embodiments of expression.
Fig. 5 is the front view of testing fixture of the elevator car speed detecting device of other embodiments of expression.
Fig. 6 is the lateral plan of Fig. 5.
Fig. 7 has been to use the scheme drawing of elevator of testing fixture of the elevator car speed detecting device of other embodiments.
Nomenclature
1 hoist trunk
2A, 2B guide rail
3 lift cars
4 main hoist cables
5 counterbalanceds weight
6 winchs
7 emergency braking devices
8 supply units
9 speed detectors
10 control setups
11 testing fixtures
12 speed gauges
The cable of 13 speed gauges
14 immobilising devices
15 promptly stop to use signal wire (SW)
16 promptly stop the action signal wire (SW)
17 action command analog input lines
18 inspection terminals
29 sensor main bodies
The 29A upper frame
The 29B lower frame
The 29C pillar
The 29D longitudinal axis
30 slow down uses spring
31A, 31B pulley
32 tensioned lines
33 coders
34 actuators
35 quicken to use spring
36 electrical motors
37 feed screws
38 restoring boards
39 upper switches
40 lower switches
41 upper plates
42A, 42B axle
43 bands
44A, 44B reset components
45 check with door
46 operation panel in lift car
47 Access Door
The specific embodiment
Followingly describe with reference to the embodiment of accompanying drawing to the inspection method of the speed detector of lift car of the present invention.
Fig. 1 is the scheme drawing of the elevator of the expression structure that the inspection method of the speed detector of the lift car of one embodiment of the present invention is specific, Fig. 2 is the scheme drawing of affirmation picture of the check result of expression elevator car speed detecting device, Fig. 3 is the scheme drawing of testing fixture of the elevator car speed detecting device of one embodiment of the present invention, Fig. 4 is the scheme drawing of action of testing fixture of the elevator car speed detecting device of other embodiments of expression, Fig. 5 is the front view of testing fixture of the elevator car speed detecting device of other embodiments of expression, Fig. 6 is the lateral plan of Fig. 5, and Fig. 7 has been to use the scheme drawing of elevator of testing fixture of the elevator car speed detecting device of other embodiments.
In Fig. 1, elevator has at the pair of guide rails 2A of hoist trunk 1 internal face setting, 2B and along the lift car 3 that is used for carrying the passenger of this guide rail 2A, 2B lifting.This lift car 3 has counterbalanced weight 5, and this counterbalanced weight 5 is connected with lift car 3 by main hoist cable 4, is wound with main hoist cable 4 on the driving rope sheave of winch 6, and described lift car 3 is by this winch 6 lifting in hoist trunk 1.Has opposed emergency braking device 7 with guide rail 2A, 2B in the bottom of this lift car 3.In addition, lift car 3 also has the supply unit 8 to described emergency braking device 7 power supplies, the speed detector 9 and the control setup 10 of detection lift car 3 speed.
When the speed by speed detector 9 detected lift cars 3 has surpassed predefined specified speed, the urgent halt instruction that described control setup 10 outputs promptly stop described winch 6.After having sent urgent halt instruction to this winch 6, if the speed of lift car 3 does not still reduce, and when having surpassed the specified speed of setting separately, described control setup 10 promptly stops action command to what supply unit 8 outputs made described emergency braking device 7 actions.In addition, described speed detector 9 can also use by the double as position detecting device, detects on which position of lift car 3 in hoist trunk 1.
Described speed detector 9 and described control setup 10 can respectively be provided with one, to constitute the mono-system, also can be provided with a plurality ofly respectively, improve reliability to constitute multiplicated system.
The side of described lift car 3 has the testing fixture 11 (its detailed structure aftermentioned) that is used to check speed detector 9.In addition, speed detector 9 is configured to move up and down in testing fixture 11.Has speed gauge 12 at this testing fixture 11, when speed detector 9 moves up and down, can come the state of measuring speed detecting device 9 by the cable 13 of speed gauge, this state comprises moving direction and the size of moving velocity etc. of speed detector 9 in testing fixture 11.In addition, in this testing fixture 11, also have immobilising device 14, speed detector 9 is fixed on top or the bottom or the central portion of testing fixture 11 by this immobilising device 14.
Usually, utilize 14 pairs of described speed detectors 9 of immobilising device to fix, thereby can the moving velocity of lift car 3 be detected.In addition, when having a plurality of speed detector 9, these a plurality of speed detectors 9 can be housed in a plurality of testing fixtures 11, also it all can be housed in the testing fixture 11 in addition.
In described control setup 10, have be used to confirm urgent halt instruction promptly stop with signal wire (SW) 15 and be used to confirm promptly stop action command promptly stop action with signal wire (SW) 16.In addition, can also promptly stop with signal wire (SW) 15 and the described specified speed that promptly stops to move with signal wire (SW) 16 each instructions of affirmation output from described.
Use described testing fixture 11,, confirm whether correctly exported various instructions, can check whether the action of speed detector 9 and control setup 10 is correct to described speed detector 9 by when simulation surpasses the overspeed condition of specified speed.In addition, in described supply unit 8, be provided with action command analog input line 17.When simulating ground by action command analog input line 17 when supply unit 8 inputs promptly stop action command, described supply unit 8 makes described emergency braking device 7 actions.Thus, can check whether the action of described supply unit 8 and described emergency braking device 7 is correct.In addition, also can be arranged to make described emergency braking device 7 reset to the reset instruction of original state from 17 inputs of action instruction simulation input line.
Inspection can be carried out at story height arbitrarily, and the step of inspection is as described below.
Described action command analog input line 17 is installed in described inspection with on the terminal 18, promptly stop action command with terminal 18 to described supply unit 8 simulation ground inputs from this inspection, whether correct with the action of checking this supply unit 8 and described emergency braking device 7.If can be, then after the input reset instruction makes described emergency braking device 7 be reset to original state, described action command analog input line 17 be removed with terminal 18 from described inspection from the 17 input reset instructions of action instruction simulation input line.In addition, after also can being arranged to described action command analog input line 17 removed, described emergency braking device 7 is automatically reset.
After this, with the cable 13 of described speed gauge, promptly stop and promptly stopping action being installed on the described inspection usefulness terminal 18 with signal wire (SW) 16 with signal wire (SW) 15.Thus, by using this inspection with terminal 18, can confirm described speed detector 9 state when mobile, promptly halt instruction and output and specified speed of promptly stopping action command described testing fixture 10 in.
That is, operate described immobilising device 14 described speed detector 9 is unclamped, this speed detector 9 is descended in testing fixture 11, so that under the state that lift car 3 stops, described speed detector 9 simulations are surpassed the overspeed condition of specified speed.Thus, the affirmation picture that shows check result as shown in Figure 2 in described inspection with terminal 18.
Confirm picture by this, whether the speed line 19 of at first confirming the speed of the expression speed detector 9 that expression is measured by speed gauge 12 is accelerated and has surpassed the highest specified speed line 20 of maximum speed in the specified speed of expression elevator.Thus, can confirm whether speed detector 9 has carried out predetermined moving in testing fixture 11.
After this, confirm making washout 21 that winch 6 promptly stops and making promptly stopping actuating signal 22 and whether being low (Low) of emergency braking device 7 actions to supply unit 8 outputs from control setup 10 outputs from control setup 10.In addition, regard urgent halt instruction as become output when low in washout 21 instruction, and will promptly stop action command and regard as promptly stopping actuating signal 22 and become the instruction of output when low.
Afterwards, record stops the numerical value of speed gauge 23 and the numerical value that regulation stops speed gauge 24, wherein, the washout 21 that stops the numeric representation winch 6 of speed gauge 23 becomes the speed of the speed detector 9 when low, the specified speed that the numeric representation that regulation stops speed gauge 24 makes winch 6 promptly stop at the height of the floor of checking.And the numerical value of the numerical value of operation of recording speed gauge 25 and compulsory exercise speed gauge 26, wherein, the numeric representation emergency braking device 7 of responsiveness meter 25 promptly stop the speed that actuating signal 22 becomes the speed detector 9 when low, the numeric representation of compulsory exercise speed gauge 26 makes the specified speed of emergency braking device 7 in the high action of the floor of checking.Then, confirm and whether record shows whether numerical value that numerical value that expression stops speed gauge 23 stops speed gauge 24 with respect to regulation be positioned at permissible range stops to confirm icon 27.And confirm and write down whether show whether the numerical value of representing in the responsiveness meter 25 25 is positioned at permissible range with respect to the numerical value in the compulsory exercise speed gauge 26 confirming operation icon 28.
Pass through said method, can check whether speed detector 9 has correctly detected the state of lift car 3, and can check out when the state by speed detector 9 detected lift cars 3 had surpassed predefined specified speed, whether control setup 10 correctly moved.After checking end, make speed detector 9 turn back to original position, 14 pairs of speed detectors 9 of operation immobilising device are fixed.After this, with the cable 13 of speed gauge, promptly stop with signal wire (SW) 15 and promptly stop the action with signal wire (SW) 16 from the inspection remove with terminal 18.At this moment, also can be arranged to send the signal of checking end to control setup 10, making washout 21 and promptly stopping actuating signal 22 becomes height (High), thereby makes winch 6 and emergency braking device 7 turn back to original state.
The action of checking supply unit 8 and emergency braking device 7 whether just often inspection and the action of checking speed detector 9 and control setup 10 whether just often inspection can carry out continuously, also can carry out simultaneously, in addition, various inspections can be carried out repeatedly at story height arbitrarily.
At this, Fig. 3 shows the scheme drawing of testing fixture 11.Testing fixture 11 has sensor main body 29, and sensor main body 29 is made of pillar 29C and the longitudinal axis 29D of upper frame 29A, lower frame 29B, supporting upper frame 29A and lower frame 29B.
The inboard of sensor main body 29 has speed detector 9, and this speed detector 9 can move up at upper and lower along longitudinal axis 29D.In addition, to described speed detector 9, the roller that can use noncontacting proximity sensor that magnetic and sound wave or laser etc. detect, will have coder is by touch sensor that detects on wall that is pressed in guide rail 2A, 2B or hoist trunk 1 etc. etc.
Has the immobilising device 14 that is used for fixing described speed detector 9 in the sensor main body 29.To this immobilising device 14, can enumerate the immobilising device of sening as an envoy to T shape hook portion rotation and fixing, use spring and immobilising device such as immobilising device, mount pin and screw that the arm that opens and closes is fixed and use the immobilising device etc. of magnetic pull.
Between described lower frame 29B and described speed detector 9, to be equipped with and to make deceleration that described speed detector 9 slows down with spring 30 in order preventing to bump with this speed detector 9.Slow down and to be fixed on either party or both sides in the bottom of lower frame 29B and speed detector 9 with spring 30.In addition, also can use shock absorber and impact absorbing material to wait replaces slowing down with spring 30.
Sensor main body 29 has speed gauge 12.This speed gauge 12 comprises: be mounted to respectively the side of upper frame 29A and lower frame 29B up and down relatively to pulley 31A, 31B; The tensioned lines 32 that between pulley 31A, 31B, is stretched; And be installed in the measurement hand of rotation at least one pulley among pulley 31A, the 31B and the coder 33 of rotative speed.In addition, tensioned lines 32 position is fixed on speed detector 9.
Thus, when speed detector 9 descended in sensor main body 29, pulley 31A, 31B rotated under the effect of tensioned lines 32, and its hand of rotation and rotative speed etc. are measured by coder.In addition, also can adopt the variable resistance of sliding type and linear encoder to wait and replace pulley 31A, 31B, tensioned lines 32 and coder 33.
Below the action of the testing fixture 11 of said structure is described.
By after operating described immobilising device 14 described speed detector 9 being unclamped, while this speed detector 9 relies on gravity to quicken to descend in described sensor main body 29.Thus, can simulate overspeed condition to described speed detector 9 above specified speed.At this moment, because tensioned lines 32 is with the action of moving of described speed detector 9, so pulley 31A, 31B also are rotated, can measure the moving direction of speed detector 9 and the state of moving velocity constant velocity detecting device 9 by coder 33 thus.
In addition, when described speed detector 9 is fixed on bottom in the sensor main body 29 and central portion, behind release speed detecting device 9, can make its decline by moving to upper frame 29A rear flank with portable grade.When adopting this method,, the situation about speed detector 9 being mentioned with hand of being difficult to is arranged if the size of sensor main body 29 is bigger.At this moment, in order to mention speed detector 9, adopt to make pulley 31A or 31B rotation or drag-line is installed on speed detector 9 in advance its pulling etc. is mentioned.
Confirming that speed detector 9 after having carried out sufficient deceleration under the effect of deceleration with spring 30 or impact absorbing material etc., make described speed detector 9 turn back to original position, and operation immobilising device 14 is fixed.
Simulated above after the overspeed condition of specified speed by 11 pairs of speed detectors 9 of testing fixture according to above step, turned back to original state.
Fig. 4 represents other embodiment of testing fixture 11.Below only the part different with the embodiment of Fig. 3 described.
Sensor main body 29 has the actuator 34 that is used to operate immobilising device 14.As actuator 34, can list the hook portion rotation that is used to make T shape electrical motor, be used to that arm is opened and closed or directly hold the electromagnet etc. of speed detector.In addition, have between upper frame 29A and speed detector 9 and quicken with spring 35, this acceleration is carried out quickening when mobile in sensor main body 29 at speed detector 9 with spring 35.Quicken with spring 35 pass longitudinal axis 29D and be fixed on upper frame 29A and the bottom of speed detector 9 in either party or both sides.In addition, can also use the direct acting device (direct actingdevice) that on above-below direction, speed detector 9 is quickened to replace quickening with spring 35.As this direct acting device, can use linear motor, ball-screw and electrical motor etc., because the deceleration of speed detector 9 also can be undertaken by direct acting device, therefore do not need to be provided with and slow down with spring 30.In addition, when acceleration is installed with spring 35 and direct acting device, can also quicken speed detector 9 up, simulate the overspeed condition of overshoot speed with this.
Have between described upper frame 29A and the lower frame 29B and be used to make speed detector 9 to turn back to the reset attachment of home position.This reset attachment is by being fixed on electrical motor 36 on the lower frame 29B, being installed into and connecting upper frame 29A and the feed screw 37 of lower frame 29B, the restoring board 38 that is installed on the feed screw 37 constitute.This reset attachment is provided in when making electrical motor 36 rotations, and the restoring board 38 that is installed on feed screw 37 moves in sensor main body 29 along the vertical direction.In addition, when being provided with reset attachment, be used to make the retarding spring 30 that speed detector 9 slows down to be arranged between restoring board 38 and the speed detector 9.In addition, reset attachment has upper switches 39 and lower switches 40, and whether upper switches 39 detection speed devices 9 are in the state near upper frame 29A, and lower switches 40 detects restoring boards 38 and whether is in state near lower frame 29B.In addition, when speed detector 9 being quickened to surpass the overspeed condition of specified speed with simulation, on restoring board 38, install and fix device 14 up.
Below the action of the testing fixture in the said structure 11 is described.
Fig. 4 (a) expression speed detector 9 is in from the nearest state of upper frame 29A side, and is fixed device 14 and the actuator 34 that operates on it is fixed on situation on the upper frame 29A.Thus, quicken to be in compressed state, and upper switches 39 is in the state that is pressed with spring 35.In addition, because restoring board 38 is in the nearest state from lower frame 29B, so lower switches 40 is in the state that is pressed.In addition, also can be arranged to make acceleration only when checking, be compressed with spring 35 by quickening do not have compressed position that immobilising device 14 is set with spring 35.
After will being used to check the inspection instruction input actuator 34 of beginning, 34 pairs of immobilising devices 14 of actuator are operated with release speed detecting device 9.Thus, shown in Fig. 4 (b), at gravity and under the effect of compressed acceleration with the spring force of spring 35, speed detector 9 is quickened downwards in sensor main body 29.In addition,, compare, can make sensor main body 29 miniaturizations with the situation that only depends on gravity that speed detector 9 is quickened by with the power of spring 35 speed detector 9 being quickened with acceleration.
From speed detector 9 released and upper switches 39 released after, and speed detector 9 is fully quickened and after the required time of slowing down having passed through, shown in Fig. 4 (c), reset attachment makes electrical motor 36 rotations, and makes restoring board 38 towards top framework 29A side shifting by feed screw 37.Thus, when lower switches 40 was released, speed detector 9 was subjected to restoring board 38 and slows down with the pushing of spring 30, and when compression quickens to use spring 35, was pressed against upper frame 29A side.In addition, can wait and replace electrical motor 36 and lower switches 40 by the handle be used to make feed screw 37 rotations or electric drill are installed in advance.At this moment, after having passed through random time, make rotations such as handle and electric drill, make speed detector 9 towards top framework 29A side shifting.
Be pressed near the position of upper frame 29A and after pushing upper switches 39, shown in Fig. 4 (d),, speed detector 9 be fixed on the upper frame 29A at speed detector 9 plate 38 that is reset by actuator 34 operation immobilising devices 14.Simultaneously, electrical motor 36 makes feed screw 37 beginning contrarotations, and restoring board 38 is to lower frame 29B side shifting.Reach near the position of lower frame 29B and after pushing lower switches 40, electrical motor 36 stops at restoring board 38, speed detector 9 turns back to the state shown in (a) of Fig. 4.
According to above-mentioned steps, 11 pairs of speed detectors 9 of detecting device have been simulated elevator above after the overspeed condition of specified speed, turn back to original state.
Fig. 5 and Fig. 6 represent other embodiment of described testing fixture 11.
Below only the part different with the embodiment of Fig. 4 described.Upper plate 41 is arranged on the outside of upper frame 29A, and is fixed on the pillar 29C.Pulley 31A and coder 33 are fixed between upper frame 29A and the upper plate 41.Thus, can avoid coder 33 and falling object and be arranged on equipment in the hoist trunk 1 etc. and bump.
Be separately installed with axle 42A, 42B on the upper plate 41 of reset attachment and the lower frame 29B, and on axle 42A, 42B, open to be provided with and be with 43, but feed screw shown in Figure 4 37 and restoring board 38 are not set with gear.Reset components 44A, 44B are fixed on speed detector 9 in intermeshing mode and are with on 43.
On at least one axle in axle 42A, 42B electrical motor 36 is installed, makes by axle 42A, 42B and be with 43 rotations.After this is with 43 rotations, be installed in reset components 44B on 43 and the reset components 44A that is fixed on the speed detector 9 and intermesh, make speed detector 9 move to original position.In addition, lower switches 40 detects reset components 44B and whether is in the state of the most close lower frame 29B.
Thus, compare, can in the shorter time, make speed detector 9 turn back to original position with the embodiment of Fig. 4.Be with 43 can be chain and steel rope.
Fig. 7 shows other embodiment of the elevator that is provided with testing fixture 11.
Below only the part different with the embodiment of Fig. 1 described.
Have at the top of lift car and to check that this checks with door 45 more young than not shown rescue, can open and close by key from the inboard of lift car 3 with door 45.In addition, check to be arranged on and can be easily coder 33 on the speed gauge 12 that is installed in testing fixture 11 and variable resistance etc. be used for the position that the equipment of the state of measuring speed detecting device 9 exchanges with 45.In addition, under situation, perhaps be equipped with under the situation of handle and electric drill, in order 45 to carry out these operations with door, operating portion concentrated near the speed gauge 12 in the testing fixture 11 from this inspection with manual mode of operation immobilising device 14.
In operation panel in lift car 46, contain: being used to of in control setup 10, being provided with confirm urgent halt instruction promptly stop with signal wire (SW) 15 and be used to confirm promptly stop action command promptly stop action usefulness signal wire (SW) 16; The action command analog input line 17 that in supply unit 8, is provided with.And, promptly stop with signal wire (SW) 15, promptly to stop to move being configured to and can taking out from the Access Door 47 that is arranged on the available key switching on the operation panel in lift car 46 with signal wire (SW) 16 and action command analog input line 17.In addition, at ordinary times, check with door 45 to be in closed condition, and pin with key.Promptly stop with signal wire (SW) 15, promptly to stop action and be housed in the operation panel in lift car 46 with signal wire (SW) 16 and action command analog input line 17, Access Door 47 is in closed condition, and pins with key.
The inspection step is as described below.At first, open and check, the sensing equipment of installation coder 33 and variable resistance, linear encoder etc. on speed gauge 12 with door 45.After this, the cable 13 with speed gauge takes out from checking to use the door 45.In addition, open Access Door 47, will promptly stop with signal wire (SW) 15, promptly to stop action and take out, and be installed in inspection with on the terminal 18 with the cable 13 of speed gauge with signal wire (SW) 16 and action command analog input line 17.In addition, when actuator 34 is imported the instruction that begins to check, take out cables, and it is installed in inspection with on the terminal 18 from checking with door 45.
By said method, can check in lift car 3 whether the action of supply unit 8 and emergency braking device 7 is correct, and check whether the action of speed detector 9 and control setup 10 is correct.
Claims (7)
1. the inspection method of the speed detector of a lift car, it is to have speed detector, control setup, the inspection method of the speed detector of the lift car of emergency braking device and supply unit, wherein, described speed detector is provided with the guide rail that is arranged on hoist trunk wall or lift car both sides is close, usually be fixedly installed on the lift car, detect the moving velocity of this lift car and with it as elevator car speed, described control setup sends out an emergency signal when the speed by the detected lift car of this speed detector has surpassed specified speed, described emergency braking device is clamped described guide rail by braking element and is produced braking force, lift car is braked, described supply unit is powered to described emergency braking apparatus, input according to described emergency signal, make described emergency braking device action, the inspection method of the speed detector of described lift car is characterised in that
When checking, releasing is fixing to described speed detector, and this speed detector is descended, and the generation of simulation ground surpasses the state of specified speed, and the speed during to this decline detects, and thus described speed detector is checked.
2. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
Be arranged on the sensor main body of the described speed detector of guiding on the above-below direction at lift car, at ordinary times described speed detector is fixed on the described sensor main body, and when checking, described speed detector is pulled down from described sensor main body, it is descended from sensor main body top, and the speed when detecting this decline, thus described speed detector is checked.
3. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
Has the impact absorption unit on the described sensor main body, the impact when this impact absorption unit relaxes described speed detector and descends.
4. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
Have accelerator module on the described sensor main body, the speed when this accelerator module descends to described speed detector is quickened.
5. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
Have reset unit on the described sensor main body, after described speed detector being descended and carried out checking, this reset unit makes described speed detector reset to original position.
6. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
By carrying out described inspection with door from the inboard inspection that opens and closes of lift car.
7. the inspection method of the speed detector of lift car according to claim 1 is characterized in that,
Operation panel in lift car in the lift car has signal wire (SW), the described emergency signal that this signal wire (SW) affirmation is sent from described control setup when the speed of lift car surpasses specified speed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-133513 | 2008-05-21 | ||
| JP2008133513A JP4594998B2 (en) | 2008-05-21 | 2008-05-21 | Inspection method for elevator car speed detector. |
| JP2008133513 | 2008-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101585465A true CN101585465A (en) | 2009-11-25 |
| CN101585465B CN101585465B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101410962A Expired - Fee Related CN101585465B (en) | 2008-05-21 | 2009-05-20 | Checking procedure for speed detecting device of elevator cage |
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| Country | Link |
|---|---|
| JP (1) | JP4594998B2 (en) |
| CN (1) | CN101585465B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311026A (en) * | 2010-07-01 | 2012-01-11 | 上海三菱电梯有限公司 | Elevator lift car position and speed detecting device |
| CN102718101A (en) * | 2012-07-10 | 2012-10-10 | 中国矿业大学 | Device and method for over-speed detection of elevating container |
| CN102892699A (en) * | 2010-05-18 | 2013-01-23 | 奥的斯电梯公司 | Integrated elevator safety system |
| CN103241611A (en) * | 2012-02-08 | 2013-08-14 | 株式会社日立制作所 | Speed detection device, elevator apparatus with same, and checking method of elevator apparatus |
| CN109455586A (en) * | 2017-09-06 | 2019-03-12 | 株式会社日立制作所 | More compartment elevators |
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| WO2023228363A1 (en) * | 2022-05-26 | 2023-11-30 | 株式会社日立製作所 | Inspection device and inspection method for elevator governor system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2169682A1 (en) * | 1995-03-10 | 1996-09-11 | Christoph Liebetrau | Method and equipment for testing a speed limiter of a lift installation |
| JP3390578B2 (en) * | 1995-07-26 | 2003-03-24 | 三菱電機株式会社 | Elevator governor |
| CN1167595C (en) * | 1998-02-26 | 2004-09-22 | 三菱电机株式会社 | Method of inspecting and adjusting governor of elevator |
| JP2002308540A (en) * | 2001-04-12 | 2002-10-23 | Hitachi Building Systems Co Ltd | Elevator device |
| JP4456010B2 (en) * | 2005-01-18 | 2010-04-28 | 株式会社日立テクノロジ−アンドサ−ビス | Drop test device |
| JP2007031109A (en) * | 2005-07-28 | 2007-02-08 | Mitsubishi Electric Corp | Elevator device |
-
2008
- 2008-05-21 JP JP2008133513A patent/JP4594998B2/en not_active Expired - Fee Related
-
2009
- 2009-05-20 CN CN2009101410962A patent/CN101585465B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892699A (en) * | 2010-05-18 | 2013-01-23 | 奥的斯电梯公司 | Integrated elevator safety system |
| CN102892699B (en) * | 2010-05-18 | 2014-12-24 | 奥的斯电梯公司 | Integrated elevator safety system |
| CN102311026A (en) * | 2010-07-01 | 2012-01-11 | 上海三菱电梯有限公司 | Elevator lift car position and speed detecting device |
| CN102311026B (en) * | 2010-07-01 | 2013-04-24 | 上海三菱电梯有限公司 | Elevator lift car position and speed detecting device |
| CN103241611A (en) * | 2012-02-08 | 2013-08-14 | 株式会社日立制作所 | Speed detection device, elevator apparatus with same, and checking method of elevator apparatus |
| CN103241611B (en) * | 2012-02-08 | 2015-04-15 | 株式会社日立制作所 | Speed detection device, elevator apparatus with same, and checking method of elevator apparatus |
| CN102718101A (en) * | 2012-07-10 | 2012-10-10 | 中国矿业大学 | Device and method for over-speed detection of elevating container |
| CN102718101B (en) * | 2012-07-10 | 2015-05-20 | 中国矿业大学 | Device and method for over-speed detection of elevating container |
| CN109455586A (en) * | 2017-09-06 | 2019-03-12 | 株式会社日立制作所 | More compartment elevators |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4594998B2 (en) | 2010-12-08 |
| CN101585465B (en) | 2012-05-23 |
| JP2009280337A (en) | 2009-12-03 |
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