CN109719227A - Self-locking nut crimping tool - Google Patents
Self-locking nut crimping tool Download PDFInfo
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- CN109719227A CN109719227A CN201811556042.8A CN201811556042A CN109719227A CN 109719227 A CN109719227 A CN 109719227A CN 201811556042 A CN201811556042 A CN 201811556042A CN 109719227 A CN109719227 A CN 109719227A
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- self
- lever
- locking nut
- closing
- crimping tool
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Abstract
The present invention relates to a kind of self-locking nut crimping tool, it is able to solve in the prior art the problem of closing in dimensional uniformity difference when to self-locking nut crimping operation.The self-locking nut crimping tool includes closing-in mould and the driving device for driving closing-in mould to act, the driving device includes lever seat and the laborsaving lever that is hinged on lever seat, laborsaving lever has positioned at the connecting pin with closing-in mould transmission connection of fulcrum one end, also have positioned at the force side for driving laborsaving lever to rotate of the fulcrum other end, the lever seat or force side, which are equipped with, adjusts screw, the screw that adjusts is limited towards the force side of laborsaving lever arrangement or towards lever seat arrangement with the rotation to laborsaving lever, the dial for being used to indicate the turned position for adjusting screw is additionally provided on the lever seat or force side.
Description
Technical field
The present invention relates to a kind of self-locking nut crimping tools.
Background technique
In field of aerospace, self-locking nut is widely used as a kind of common fastener.Self-locking nut is main
Make deformed threads by closing up, realizes its locking, antivibration function.Application publication number is CN108435960A, Shen Qing Publication
Day is that the patent document of 2018.08.24 discloses a kind of self-locking nut-crimping device, can be the case where self-locking nut is not dismantled
Get off and closing in operation is carried out to self-locking nut.The device includes the die holder of hollow cylinder, and movement is equipped with towards certainly in die holder
The mobile closing in membrane module in the front end of split nut, closing in membrane module include multiple uniformly distributed clampings, and the inside of clamping, which is formed, to be used for
The inner cavity of self-locking nut is accommodated, closing device further includes driving mechanism, and closing in membrane module can be made to move back and forth, and drives Closing in die
Component is mobile so that each clamping extruding closes up to self-locking nut.Driving mechanism includes the wirerope connecting with the lower end of clamping
And the handle of driving wirerope movement, operator drive wirerope to drive clamping molding by rotational handle.In clamping
It is disposed with pyramidal structure, the outer peripheral surface of pyramidal structure forms the tapered face fit structure in clamping, and closing in membrane module can be made to exist
Move toward one another when end motion two clampings generation after to die holder, to squeeze the self-locking nut being placed between clamping.
Operator makes clamping to self-locking when closing up using the closing device to self-locking nut, through rotational handle
Nut squeezes, but wherein the problem is that: operator can not accurate handle amount of spin, the different displacement of handle can lead
The difference for causing self-locking nut crimping amount leads to the problem of dimensional uniformity difference after self-locking nut is closed up, or even will appear
Receive and caused by crack at closing in or locking torque it is excessive and caused by kill phenomenon.
Summary of the invention
The purpose of the present invention is to provide a kind of self-locking nut crimping tools, are able to solve in the prior art to self-locking nut
The problem of closing in dimensional uniformity difference when closing in operation.
To achieve the above object, the self-locking nut crimping tool in the present invention adopts the following technical scheme that
Self-locking nut crimping tool, the driving device including closing-in mould and for driving closing-in mould to act, it is characterised in that:
The driving device includes lever seat and the laborsaving lever that is hinged on lever seat, laborsaving lever have positioned at fulcrum one end with
The connecting pin of closing-in mould transmission connection also has positioned at the force side for driving laborsaving lever to rotate of the fulcrum other end,
The lever seat or force side, which are equipped with, adjusts screw, and the screw that adjusts is towards the force side of laborsaving lever arrangement or towards thick stick
Pole socket arrangement is limited with the rotation to laborsaving lever, is additionally provided on the lever seat or force side and is used to indicate adjusting screw
Turned position dial.
The beneficial effect is that: drive closing-in mould to act using laborsaving lever, laborsaving lever can put driving force
Greatly, make operator's more convenient operation；The adjusting screw of limitation laborsaving lever rotation is additionally provided in closing in tool, when laborsaving
When lever rotation is to certain position with adjust screw fit, laborsaving lever, which no longer rotates, makes closing-in mould no longer squeeze self-locking spiral shell
Mother improves the consistency of processed self-locking nut crimping amount to realize the control of control self-locking nut crimping amount；Connection
The arm of force at end is small, thus laborsaving lever rotation during, the arc length of the movement of connecting pin may be considered with it is identical
The linear distance of two o'clock is equivalent, by circular motion bring error very little, can not consider.Quarter is provided in closing in tool
Scale, dial are used to indicate the position for adjusting screw and laborsaving lever, adjust screw pass corresponding with the scale of dial composition
System, when adjust screw be threaded in or out when will drive indicators turn because its screw pitch be fixed value, the scale of dial with
Position, that is, laborsaving lever connecting pin the position for adjusting screw corresponds, the force side and connecting pin of laborsaving lever there is also
Fixed corresponding relationship, therefore dial can determine and adjust screw position, the parameter value of laborsaving lever rotation and closing in amount
Size can intuitively find out the turned position for adjusting screw and the closing in amount to self-locking nut for operator, so as to
Self-locking nut crimping amount is quantitatively controlled.
Further, 2 times of the distance between the fulcrum and adjusting screw not less than resistance arm lengths in laborsaving lever.
The beneficial effect is that: the distance between fulcrum and adjusting screw are not less than 2 times of resistance arm lengths, can make to adjust
Screw is saved far from bearing pointdisposal, adjusting screw has more screw-ins, screws out space, can be realized more accurate and larger range of
Adjustment.
Further, the closing-in mould includes die holder and the clamping that is movably arranged in die holder, and the die holder fixation is set
It sets on lever seat.
The beneficial effect is that: die holder is fixed on lever seat, the volume of this closing in tool entirety can be reduced,
Operator is more convenient when using this closing in tool, and die holder is fixed on lever seat, reduces laborsaving lever and folder
Transmission distance between mould, reduces error.
Further, the driving member being arranged between the connecting pin and clamping is rigid member.
The beneficial effect is that: rigid member is set by the driving member between connecting pin and clamping, is reduced because of driving member
Deformation and bring error, improve the consistency of closing in size.
Further, the driving member is the connecting rod being hinged between connecting pin and clamping.
The beneficial effect is that: use connecting rod as positive drive part, structure is simple, and technology maturation is convenient in this tool
It realizes.
Further, described connecting rod one end and clamping are hinged, and the connecting pin of the other end and laborsaving lever is hinged.
The beneficial effect is that: connecting rod one end is hinged with clamping, and the other end is hinged with connecting pin, and connecting rod is in laborsaving lever
Interference will not be generated to the movement of laborsaving lever in rotation process, and can also preferably be transmitted to power from laborsaving lever
In clamping.
Further, the connecting rod is fixed at one end of the close laborsaving lever of clamping, and offers on connecting rod
Along the long hole for radially extending arrangement of connecting rod, laborsaving lever is equipped with to match to merge with long hole guiding and be rotatably mounted in long hole
Pin shaft.
The beneficial effect is that: the hinged end of laborsaving lever can swing to drive connecting rod and clamping campaign in long hole,
It is fixedly connected between clamping and connecting rod, reduces because of transmission loss bring error, further increase the consistency of closing in size.
Further, the dial can be rotatably set to realize to zero.
The beneficial effect is that: pointer is adjustable with graduation position, convenient for operator when carrying out closing in operation to scale
Disk is carried out to Z-operation.
Further, self-locking nut crimping tool include the rotational angle or displacement for obtaining lever sensor and
The signal processing apparatus being connect with sensor signal, signal processing apparatus be connected with angle value for being detected in sensor or
The alarming device of information warning is issued when displacement is more than setting value.
The beneficial effect is that: sensor is used, operator can be helped further to know laborsaving lever angle of rotation
Degree or displacement improve closing in dimensional uniformity convenient for controlling closing in size in operation process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of self-locking nut crimping device embodiment 1 in the present invention；
Fig. 2 is the cross-sectional view of the clamping of self-locking nut crimping device embodiment 1 in the present invention；
Fig. 3 is the top view of the clamping of self-locking nut crimping device embodiment 1 in the present invention；
Fig. 4 be along Fig. 1 A to partial view；
Fig. 5 is the clamping of self-locking nut crimping device embodiment 1 and the attachment structure schematic diagram of laborsaving lever in the present invention；
Fig. 6 is the clamping of self-locking nut crimping device embodiment 2 and the attachment structure schematic diagram of laborsaving lever in the present invention；
Fig. 7 is the mould clamping structure schematic diagram of self-locking nut crimping device embodiment 3 in the present invention；
Fig. 8 is the structural schematic diagram of self-locking nut crimping device embodiment 4 in the present invention；
Fig. 9 is enlarged drawing at A in Fig. 8.
In figure: 10. rotational handles；11. dial；11-1. scale；11-2. pointer；20. fixed handle；21. support shaft；
22. adjusting screw；30. closing-in mould；31. die holder；32. force section；33. linking arm；34. Mobile base；35. reset spring；36.
Blanking cover；37. force section；40. connecting rod；50. connecting rod；51. long hole；60. pin shaft；70. transducing part；71. Hall angle displacement transducer
Device；72. track；73. rack gear；74. antinoise shielding line；80. digital display device.
Specific embodiment
The specific embodiment of the self-locking nut crimping tool in the present invention is illustrated now in conjunction with attached drawing.
As shown in Figure 1, in the present invention self-locking nut crimping tool embodiment 1: the closing in tool is mainly by two parts group
At first part is the closing-in mould for making self-locking nut deformation close up for being adapted to self-locking nut and exerting a force to self-locking nut
30, second part is the driving device for driving the movement of closing-in mould 30 to complete closing in operation.Wherein, driving device includes lever
Seat and the laborsaving lever being hinged on lever seat, one end of laborsaving lever is the connecting pin being sequentially connected with closing-in mould 30, separately
One end is the force side of activation lever rotation.Specifically, laborsaving lever is that the rotational handle 10 held is held for people, and rotational handle
On 10 hinged fixed handles 20, rotational handle 10 can be driven to act around fixed handle 20 when operator's force, rotate hand
The hinge joint of handle 10 and fixed handle 20 is arranged in the end of rotational handle 10, and fixed handle 20 be correspondingly formed with as province
The hinged lever seat of the rotational handle 10 of power lever.Fixed handle 20 and the fit system of rotational handle 10 can either be realized laborsaving
The power transmission effect of lever, while being also convenient for operator and borrowing power that rotational handle 10 is driven to rotate on fixed handle 20.
In order to control in operation the closing in amount of self-locking nut, it is arranged on the fixed handle 20 as lever seat
Have towards the rotational handle 10 i.e. adjusting screw 22 of laborsaving lever arrangement, adjusting screw 22 can be in 10 rotation process of rotational handle
In with rotational handle 10 support cooperation to limit the rotation of rotational handle 10.Because closing-in mould 30 and laborsaving lever transmission connect
It connects, therefore after the movement of rotational handle 10 is restricted, therefore the closing in amount of closing-in mould 30 can also change, thus real
Now control the closing in amount of self-locking nut.Meanwhile personnel more easily control closing in amount for ease of operation, as shown in figure 4,
The dial 11 for capableing of 22 turned position of vision-control screw is additionally provided on the corresponding position of screw with adjusting, in dial 11
Pointer 11-2 setting adjust screw 22 on or with adjust screw 22 be sequentially connected, when adjust screw 22 rotate when being capable of band
Dynamic pointer 11-2 rotation.Because screw pitch is fixed value for adjusting screw 22, screw 22 is adjusted when operator rotates
When, adjusting screw 22 has fixed motion profile and is able to drive the rotation of pointer 11-2 in dial 11, forms laborsaving
The one-to-one relationship of scale 11-1 in end position and dial 11 is connected in lever.Operator can be by observing dial
The corresponding relationship of pointer 11-2 and scale 11-1 in 11, so as to intuitively find out the adjustment amount for adjusting screw 22, Yi Jitong
Closing-in mould 30 that conversion relation obtains is crossed to the closing in amount in self-locking nut.In addition, the scale on fixed handle 20 is arranged in
Disk 11 is pointer 11-2 and the adjustable dial 11 in the position scale 11-1, i.e., operator being capable of pointer in dial 11
11-2 realizes the function to zero manually.
Fixed handle 20 includes one section of shell holding the shank held for people and being connected with shank, and rotational handle 10 is hinged on shell
On body, adjusts screw 22 and be arranged in corresponding with rotational handle 10 on the shell of fixed handle 20, be also equipped on fixed handle 20
Support shaft 21, hinge joint of the support shaft 21 as fixed handle 20 and rotational handle 10, plays the role of fulcrum, laborsaving lever
In using fulcrum as boundary, close to closing-in mould 30 one section of resistance arm formd in laborsaving lever.Fulcrum and adjust screw 22 it
Between distance be equal to 2 times of resistance arm lengths.
In the present invention, as shown in Figures 2 and 3, closing-in mould 30 includes the die holder 31 of hollow cylinder, setting in die holder 31
There is the clamping moved back and forth along 31 axis of die holder, clamping includes three parts, and first part is to be axially disposed within die holder around die holder 31
Two force sections 32 of 31 openings, second part be sequentially connected with the connecting pin of laborsaving lever, can be in laborsaving lever
Under driving in die holder 31 guiding movement Mobile base 34, Part III be connect Mobile base 34 and force section 32 linking arm
33.The lateral surface of force section 32 is cone structure, when force section 32 is moved towards laborsaving lever side, cone structure and die holder
31 openings lead cooperation makes two force sections 32 move toward one another realization pairing, to self-locking nut carries out extruding closing in this, and
The width of linking arm 33 is smaller than force section 32, and has between the linking arm 33 of corresponding force section 32 connection for linking arm 33
The interval of swing, when Mobile base 34 is mobile, the interval forms the space that pairing is swung for force section 32.In die holder 31
Close laborsaving lever one end be arranged blanking cover 36, the opening of die holder 31 is blocked, is set between Mobile base 34 and blanking cover 36
It is equipped with the reset spring 35 for resetting clamping when not driven by laborsaving lever.Entire closing-in mould 30 is fixed on fixed handle 20
Shell on.
As shown in figure 5, the driving member in laborsaving lever between connecting pin and clamping is rigid member, closing in size can be improved
Consistency.Connecting rod 40 is hinged on the Mobile base 34 of clamping, the other end of connecting rod 40 is directly cut with scissors with the connecting pin of laborsaving lever
It connects, when the force side of laborsaving lever rotates, can amplify driving force at connecting pin, and movement is transmitted to by connecting rod 40
On seat 34 and Mobile base 34 is driven to move towards laborsaving lever side, due to the hinged structure in 40 both ends of connecting rod, connecting rod 40 is connected
When between Mobile base 34 and laborsaving lever interference will not be generated to the movement of laborsaving lever and Mobile base 34.
In addition, the dial 11 being arranged on fixed handle 20 is pointer 11-2 and the adjustable dial in the position scale 11-1
11, i.e. operator can realize the function to zero manually by pointer 11-2 in dial 11.
When operator is using self-locking nut crimping tool operation in the present invention, first according to the model of self-locking nut,
Size and operating condition determine suitable closing in amount, and then the adjusting screw 22 on corresponding rotation fixed handle 20, adjusts screw 22
Certain distance is screwed in, due to scale 11-1 and adjusts the 22 one-to-one relationship of screw-in amount of screw, operator is carved by observation
Reading can go out to adjust the screw-in amount of screw 22 and the closing in amount of self-locking nut with intuitive judgment in scale 11.It determines closing in and measures it
Afterwards, clamping is directed at self-locking nut by operator, and rotational handle 10 is driven to rotate, and the laborsaving lever that rotational handle 10 is constituted will
It is applied on its connecting pin after power augmentation in its force side, the shifting that connecting pin rotates and connecting rod 40 is driven to pull clamping
Dynamic seat 34 is moved with the direction far from self-locking nut, the force section 32 in clamping under the drive of Mobile base 34 pairing to from
Split nut is squeezed.Wherein, rotational handle 10 will receive during being driven and rotated by operator and adjust screw 22
Limitation, can not rotate, when operator reinforces when can not rotate rotational handle 10, have been completed to self-locking nut
Closing in operation.Operator discharge rotational handle 10, clamping be no longer influenced by the active force of laborsaving lever and in reset spring 35
Effect is lower to be resetted, and self-locking nut is exited from clamping, and operator can carry out closing in operation to next self-locking nut.
When clamping does not cooperate with self-locking nut, operator can screw out adjusting nut from rotational handle 10, right
Dial 11 carries out making pointer 11-2 and scale 11-1 be in clean state, to reduce error to zero.
It should be noted that the adjusting screw mentioned in the present embodiment is to limit lever rotation by moving before spiral
Locating part has the function of realizing limit, and is not only limited to the shape of screw；Such as in other embodiments, screw is adjusted
It may be arranged as the bolt with pressure end, bolt can limit lever rotation；Or it is only provided on stock and realizes the length
The thread segment that bar is threadingly advanced, the stock can prolong it and axially retreat to limit lever rotation.
As shown in fig. 6, for the embodiment 2 of self-locking nut crimping tool in the present invention: with the self-locking spiral shell in above-described embodiment 1
The difference of female closing in tool is the type of attachment of clamping Yu laborsaving lever connecting pin, in the present embodiment, in closing-in mould 30
Be fixedly installed in clamping towards rotational handle 10 i.e. laborsaving lever extend connecting rod 50, the one of the close laborsaving lever of connecting rod 50
End is provided with the long hole 51 that setting is radially extended along connecting rod, is provided with pin shaft 60 on the connecting pin of laborsaving lever, pin shaft 60 with
The guiding of long hole 51 is rotatably mounted in long hole 51 with merging, and the position of laborsaving lever changes relative to the connecting rod, is formd
Tangent mechanism.When laborsaving lever movement, connecting pin can be swung on connecting rod, so that connecting rod and clamping be driven to act.
As shown in fig. 7, for the embodiment 3 of self-locking nut crimping tool in the present invention: the difference with above-described embodiment
It is only that the difference of mould clamping structure, in the present embodiment, clamping uses the working methods of 4 points of closing ins, and four are provided in clamping
The force section 37 of pairing is capable of at place, and force section 37 is evenly arranged along the axial direction of die holder 31 everywhere.
It as can be seen from figures 8 and 9, is the embodiment 4 of self-locking nut crimping tool in the present invention: the difference with above-described embodiment
Place is, transducing part 70 is provided on self-locking nut crimping tool, transducing part 70 is for obtaining rotational handle 10
Rotational angle, corresponding conversion are the closing in amount of the closing-in mould 30 driven by laborsaving lever, are also set on self-locking nut crimping tool
It is equipped with police connect with sensor, the sending information warning when the angle value or displacement that sensor detects are more than setting value
Showing device, during carrying out closing in operation to self-locking nut, adjusting screw 22 can determine the final position of rotational handle 10
Set, with adjust the corresponding closing in amount in 22 position of screw belong to closing in operation carried out to self-locking nut when final processing capacity, turning
In the motion process of fixed handle 10, rotational handle 10 soon close to final position when, alarming device issues information warning to operation
Personnel carry out alarm, prompt operator soon close to final position, and operator is avoided to overexert or other improper operations
And cause self-locking nut by pressure break etc..
Specifically, transducing part 70 is integrally disposed has microelectronics system (MEMS) and uses hall angular displacement transducer 71
As main sensing unit, track 72, the rotation dress of hall angular displacement transducer 71 are fixedly installed on fixed handle 20
It fits on track 72, and is provided with rack gear in rotational handle 10, hall angular displacement transducer 71 has and 73 engaged transmission of rack gear
Gear will drive the movement of rack gear 73 when rotational handle 10 rotates, the relative positional relationship between wheel and rack 73 can be sent out
Changing, rack gear 73 are acted with moving gear, and identical separate according to linear velocity, rack gear 73 is directly by the angle of rotation of rotational handle 10
Degree has passed to hall angular displacement transducer 71, and hall angular displacement transducer 71 is exported sensor by antinoise shielding line 74
Signal has been input in digital display device 80.
Digital display device 80 based on STM32 minimum system, it is integrally disposed have rotational angle signal is converted into electric signal
AD conversion module, by closing in amount and can cross and receive 12864 data disaply moudles that show of alarm and cross alert mould of receiving telegraph
Block, it is also integrally disposed to have micro- keyboard for operator's input data.
In other embodiments, it can also will adjust screw to be arranged in laborsaving lever, no longer using setting in lever seat
On mounting means, accordingly, dial with adjust screw be arranged in laborsaving lever.
In other embodiments, the distance between fulcrum and adjusting screw can also be 2.5 of resistance arm lengths in lever
Again, 3 times etc., the distance between fulcrum and adjusting screw is made to meet 2 times of the requirement not less than resistance arm lengths in lever.
In other embodiments, it can also be carried out using flexible structures such as wirerope between laborsaving lever connecting pin and clamping
Connection.
Above-described specific embodiment, to goal of the invention of the invention, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit this foregoing is merely a specific embodiment of the invention
The protection scope of invention, all any modification, equivalent substitution, improvement and etc. within the spirit and principles in the present invention, done,
It should be included within protection scope of the present invention.
Claims (9)
1. self-locking nut crimping tool, the driving device including closing-in mould and for driving closing-in mould to act, feature exist
In the laborsaving lever that: the driving device includes lever seat and is hinged on lever seat, laborsaving lever, which has, is located at fulcrum one end
The connecting pin with closing-in mould transmission connection, also there is the force positioned at the fulcrum other end for driving laborsaving lever to rotate
End, the lever seat or force side, which are equipped with, adjusts screw, and the screw that adjusts is towards the force side of laborsaving lever arrangement or court
It arranges to lever seat and is limited with the rotation to laborsaving lever, be additionally provided on the lever seat or force side and be used to indicate adjusting
The dial of the turned position of screw.
2. self-locking nut crimping tool according to claim 1, it is characterised in that: between the fulcrum and adjusting screw
2 times of distance not less than resistance arm lengths in laborsaving lever.
3. self-locking nut crimping tool according to claim 1 or 2, it is characterised in that: the closing-in mould includes die holder
With the clamping being movably arranged in die holder, the die holder is fixed on lever seat.
4. self-locking nut crimping tool according to claim 3, it is characterised in that: setting the connecting pin and clamping it
Between driving member be rigid member.
5. self-locking nut crimping tool according to claim 4, it is characterised in that: the driving member is to be hinged on connecting pin
Connecting rod between clamping.
6. self-locking nut crimping tool according to claim 5, it is characterised in that: described connecting rod one end and clamping are hinged,
The connecting pin of the other end and laborsaving lever is hinged.
7. self-locking nut crimping tool according to claim 5, it is characterised in that: the connecting rod is fixed at clamping
Close to one end of laborsaving lever, and the long hole for radially extending arrangement along connecting rod is offered on connecting rod, laborsaving lever is equipped with
Match with long hole guiding and merges the pin shaft being rotatably mounted in long hole.
8. self-locking nut crimping tool according to claim 1, it is characterised in that: the dial can be rotatably set with
It realizes to zero.
9. self-locking nut crimping tool according to claim 1, it is characterised in that: self-locking nut crimping tool includes being used for
Obtain the rotational angle of lever or the sensor of displacement and the signal processing apparatus connecting with sensor signal, signal processing device
Set the alarming device for being connected with and issuing information warning when angle value for detecting in sensor or displacement are more than setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556042.8A CN109719227A (en) | 2018-12-19 | 2018-12-19 | Self-locking nut crimping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556042.8A CN109719227A (en) | 2018-12-19 | 2018-12-19 | Self-locking nut crimping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109719227A true CN109719227A (en) | 2019-05-07 |
Family
ID=66296209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556042.8A Pending CN109719227A (en) | 2018-12-19 | 2018-12-19 | Self-locking nut crimping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109719227A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR894758A (en) * | 1942-05-16 | 1945-01-05 | Focke Wulf Flugzeugbau Gmbh | Clamp-shaped device for bending the edges of corrective plates for the centering of aircraft lift planes |
| US4140000A (en) * | 1977-05-05 | 1979-02-20 | Gesipa Blindniettechnik Gmbh | Pliers-type tool for setting blind-rivet nuts |
| FR2709992A1 (en) * | 1993-09-14 | 1995-03-24 | Wihan Josef | Hand riveter |
| US5729880A (en) * | 1996-06-06 | 1998-03-24 | Ko; Yung-Chang | Adjustable type hand rivet nut tool with quick-change mandrel |
| CN201249250Y (en) * | 2008-06-08 | 2009-06-03 | 曹春 | Back-bolt rapid anchor gun |
| CN108435960A (en) * | 2018-01-26 | 2018-08-24 | 河南航天精工制造有限公司 | A kind of self-locking nut-crimping device |
-
2018
- 2018-12-19 CN CN201811556042.8A patent/CN109719227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR894758A (en) * | 1942-05-16 | 1945-01-05 | Focke Wulf Flugzeugbau Gmbh | Clamp-shaped device for bending the edges of corrective plates for the centering of aircraft lift planes |
| US4140000A (en) * | 1977-05-05 | 1979-02-20 | Gesipa Blindniettechnik Gmbh | Pliers-type tool for setting blind-rivet nuts |
| FR2709992A1 (en) * | 1993-09-14 | 1995-03-24 | Wihan Josef | Hand riveter |
| US5729880A (en) * | 1996-06-06 | 1998-03-24 | Ko; Yung-Chang | Adjustable type hand rivet nut tool with quick-change mandrel |
| CN201249250Y (en) * | 2008-06-08 | 2009-06-03 | 曹春 | Back-bolt rapid anchor gun |
| CN108435960A (en) * | 2018-01-26 | 2018-08-24 | 河南航天精工制造有限公司 | A kind of self-locking nut-crimping device |
Non-Patent Citations (2)
| Title |
|---|
| 原一高: "《机械制造技术基础训练》", 30 September 2018 * |
| 钟勤: "《陶瓷生产电器控制技术》", 31 August 2017, 江西高校出版社 * |
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Application publication date: 20190507 |