CN211209125U

CN211209125U - Power transmission and transformation circuit turn-buckle

Info

Publication number: CN211209125U
Application number: CN201922179319.6U
Authority: CN
Inventors: 孙会清; 宗贤邦
Original assignee: Shaanxi Tonglu Electric Power Engineering Co ltd
Current assignee: Shaanxi Tonglu Electric Power Engineering Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-07
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a wire tightener for power transmission and transformation lines, which comprises a wheel carrier, a driving device arranged on the wheel carrier, a locking mechanism arranged on the wheel carrier, a fixed wire clamp detachably and rotatably connected with one end of the wheel carrier, and a rotary rod rotatably erected on two opposite sides of the wheel carrier, wherein one end of the rotary rod is fixedly provided with a spacing wheel I, the other end of the rotary rod is rotatably sleeved with a spacing wheel II, the spacing wheel I and the spacing wheel II are positioned in the wheel carrier, a plurality of groups of support rods are hinged on the peripheral wall of the rotary rod, each group of support rods are arranged along the axial direction of the rotary rod, the other end of each group of support rods is hinged with a wire winding rod, the wire winding rod is respectively provided with a sliding device at two ends thereof with the spacing wheel I and the spacing wheel II, a contraction device is arranged on the, the steel cable is provided with a movable wire clamp in a sliding way, and the utility model discloses the effect that can pull down from the wire fast has.

Description

Power transmission and transformation circuit turn-buckle

Technical Field

The utility model belongs to the technical field of the technique of circuit erection equipment and specifically relates to a power transmission and transformation circuit turn-buckle is related to.

Background

The tightener, also called ratchet tightener, is used for tightening the wire in the overhead line laying construction. When the wire grip is used, the steel wire rope or the galvanized iron wire on the wire grip is firstly loosened and fixed on the cross arm, the wire is clamped by the wire grip, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened. And fixing the tightened lead on the insulator. Then the pawl is firstly loosened to loosen the steel wire rope or the galvanized iron wire, then the wire clamp is loosened, and finally the steel wire rope or the galvanized iron wire is wound on the roller of the ratchet wheel.

Chinese patent No. CN201159263Y discloses a tightener, which comprises a bobbin and a reel mounted on the bobbin through a rotating shaft, wherein a pull wire is wound on the reel, a tightening mechanism and a stopping mechanism are respectively arranged at two ends of the rotating shaft, the bobbin is connected with a wire clamping mechanism, the wire clamping mechanism is composed of a wire clamping plate frame and a crank-link mechanism hinged on the wire clamping plate frame, wherein a crank of the crank-link mechanism and a hinged end of the wire clamping plate frame are an eccentric wheel, and one end of a link rod is movably connected with the bobbin; the wire tensioning mechanism is composed of a rectangular gear installed on a rotating shaft, clamping plates sleeved on the rotating shaft and located on two sides of the rectangular gear respectively, a double-pawl block and a spring arranged between the clamping plates, and a wrench connected with the two clamping plates. When the technical scheme works, the stay wire wound on the reel is completely unfolded, the hook is hung on a fixed cross rod, the fixed wire to be tensioned is clamped between the eccentric wheel and the wire clamping block, the wire clamping plate frame is pulled backwards, then the double-pawl block is rotated, the pawl parallel to the pawl on the double-pawl block is meshed with the rectangular gear, and then the wrench is rotated anticlockwise to gradually tension the fixed wire; when the line needs to be loosened, the pawl on the other side of the double-pawl block is meshed to the rectangular gear, and then the wrench is rotated clockwise, so that the line clamping is firm, the fixed line cannot be loosened in the tensioning process, the use is safe, and the line type with various thicknesses can be suitable; flexible and convenient use, high wire tightening speed and high working efficiency.

The above prior art solutions have the following drawbacks: after the wire is clamped on the eccentric wheel and is tensioned again, the wire is in a tensioned state, so that the wire tightener is difficult to detach from the wire.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a power transmission and transformation circuit turn-buckle that can dismantle fast.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a wire tightener for power transmission and transformation lines comprises a wheel carrier, a driving device arranged on the wheel carrier, a locking mechanism arranged on the wheel carrier, a fixed wire clamp detachably and rotatably connected to one end of the wheel carrier, and a rotating rod rotatably erected on two opposite sides of the wheel carrier, wherein one end of the rotating rod is fixedly provided with a limiting wheel I, the other end of the rotating rod is rotatably sleeved with a limiting wheel II, the limiting wheel I and the limiting wheel II are positioned in the wheel carrier, the peripheral wall of the rotating rod is hinged with a plurality of groups of supporting rods, the plurality of groups of supporting rods are all obliquely arranged, each group of supporting rods are arranged along the axial direction of the rotating rod, the other end of each group of supporting rods is hinged with a wire winding rod, two ends of the wire winding rod are respectively provided with sliding devices together with the limiting wheel I and the limiting wheel II, the steel rope is wound on one side, away from the rotating rod, of the winding rods, the other end of the steel rope is detachably and rotatably connected with the wheel carrier, and the steel rope is provided with a movable wire clamp in a sliding mode.

By adopting the technical scheme, when the device is used, firstly, the locking mechanism is opened to draw the steel rope out of the wheel carrier, the movable wire clamp is respectively and fixedly connected with the wire, the fixed wire clamp is fixedly connected with the cross rod, then the locking mechanism is closed, the steel rope is retracted by the driving device to lead the steel rope to be wound on the plurality of wire winding rods, the wire is straightened and is fixed on the wire, after the wire is fixed, the plurality of wire winding rods move towards the rotary rod along the radial direction of the limiting wheel I and the radial direction of the limiting wheel II through the sliding device under the contraction force of the steel rope by slowly opening the contraction device, the limiting wheel I slides along the axial direction of the rotary rod to increase the distance between the limiting wheel I and the limiting wheel II, so that the plurality of wire winding rods also move towards the rotary rod, and the steel rope wound on the plurality of wire winding rods contracts under the tension of the wire, the pull force on the steel rope is unloaded, so that the device does not produce pull force on the wire any more, the fixed wire clamp and the movable wire clamp can be easily taken down at the moment, the disassembly of the device is quickly completed, and the disassembly convenience of the device is improved.

The present invention may be further configured in a preferred embodiment as: the sliding device comprises a plurality of through grooves formed in the winding rod along the radial direction of the winding rod and two supporting blocks arranged at two ends of the winding rod, wherein the limiting wheel II or the limiting wheel I corresponds to the winding rod, two ends of the winding rod penetrate through the through grooves corresponding to the winding rod, and the supporting blocks are abutted to one end, close to the limiting wheel II, of the limiting wheel I or one end, close to the limiting wheel I, of the limiting wheel II.

Through adopting above-mentioned technical scheme, because the steel cable receives the pulling force of direction, a plurality of wire winding poles all have and move the trend towards the rotary rod, when constriction device opens, wire winding pole's both ends will slide towards the rotary rod in leading to the inslot, the supporting shoe with I butt of spacing round promotes spacing round I and deviates from spacing round II and moves along the axial of rotary rod, and the bracing piece will rotate around its pin joint with the rotary rod towards spacing round I simultaneously, when constriction device tightens up, spacing round I moves along the spacing round II of axial orientation of rotary rod, spacing round promotes to make wire winding pole remove at the logical inslot of spacing round II with the supporting shoe of its butt, and the bracing piece will rotate and promote a plurality of wire winding poles and deviate from the rotary rod around its pin joint with rotary rod towards spacing round II and move simultaneously, the tensioning and the relaxation of steel cable have been realized like this.

The present invention may be further configured in a preferred embodiment as: spacing round I with spacing round II corresponds the supporting shoe is provided with the spout, the degree of depth of spout is deepened towards the other end by being close rotary rod one end gradually, the supporting shoe butt spacing round I or spacing one side of taking turns II corresponds the slope of spout diapire and sets up.

Through adopting above-mentioned technical scheme, when constriction device tightened up, spacing round promotes when the supporting shoe of rather than the butt makes the wire winding pole remove in the logical inslot of spacing round II, and the diapire that the spout slope set up will produce bigger thrust along the axial of spacing round I to one side that the slope of supporting shoe butt set up spacing round I or spacing round II for it is more convenient when a plurality of wire winding poles open.

The present invention may be further configured in a preferred embodiment as: the two ends of the rotating rod are provided with anti-falling blocks, and the distance between each anti-falling block and the corresponding supporting block is larger than the width of the corresponding limiting wheel I or the corresponding limiting wheel II.

Through adopting above-mentioned technical scheme, when the anticreep piece prevented opening or tightening up of wire wrapping rod, wire wrapping rod led to its both ends to deviate from logical groove at the gliding distance overlength that leads to in logical groove along the distance overlength that the rotary rod removed, has improved the device's reliability like this.

The present invention may be further configured in a preferred embodiment as: the constriction device is including setting up the rotary rod with spacing round I rotates the cushion and the threaded connection that the cover established one end the rotary rod with spacing round II rotates the nut that the cover established one end, the thickness of cushion is not less than spacing round I or spacing round distance II.

Through adopting above-mentioned technical scheme, when the nut rotated towards spacing round II, promoted spacing round I and removed towards spacing round II for rotary rod removal is kept away from to a plurality of wire wrapping poles, and when the nut deviated from spacing round II and unscrewed, under the contractile force of steel cable, wire wrapping pole removed towards the rotary rod and promoted spacing round I and keep away from spacing round II and remove, has realized the control to slider.

The present invention may be further configured in a preferred embodiment as: the driving device comprises a handle, meshing teeth and a meshing rod, wherein the handle is rotatably arranged on the wheel frame, the meshing teeth are arranged on the limiting wheel I or/and the limiting wheel II, the meshing rod is hinged to the handle, the meshing rod corresponds to the meshing teeth, an elastic device is arranged between the meshing rod and the handle, and the elastic device enables the meshing rod to have the tendency of rotating around the hinging point of the meshing rod and the handle towards the limiting wheel I.

Through adopting above-mentioned technical scheme, meshing pole and spacing round I or spacing round II or spacing round I and spacing round II meshing, then reciprocal pulling the handle make the meshing pole drive spacing round I or spacing round II or spacing round I and spacing round II rotate with steel cable winding to a plurality of wire wrapping poles on, the meshing pole owing to with be provided with resilient means between the handle, and resilient means makes the meshing pole have around its and handle pin joint towards the tendency of spacing round I rotation, consequently the meshing pole will be in the state of supporting tight spacing round I or spacing round II or spacing round I and spacing round II on the meshing tooth all the time, the rotation of rotary rod has been realized like this.

The present invention may be further configured in a preferred embodiment as: and a pin penetrates through the two side walls of the wheel frame, and one end, away from the winding rod, of the steel rope is provided with a lantern ring corresponding to the pin.

Through adopting above-mentioned technical scheme, keep away from the dismantled fixed connection of wire winding pole one end lantern ring to the steel cable through the pin, realized removing the connection dismantled of fastener.

The present invention may be further configured in a preferred embodiment as: the pin is provided with an annular groove, and the lantern ring is located in the annular groove.

Through adopting above-mentioned technical scheme, carry on spacingly through the annular groove to the lantern ring, make it can not slide along the axial of the lantern ring, improved the device's reliability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the device can be quickly disassembled, and the convenience of disassembling the device is improved;

2. one side that the diapire that the spout slope set up the spacing round of I or the slope of spacing round of II of supporting shoe butt set up will produce bigger thrust along the axial of spacing round of I for it is more convenient when a plurality of wire winding rods open.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, wheel frame; 11. fixing a wire clamp; 12. a pin; 121. an annular groove; 2. rotating the rod; 21. a limiting wheel I; 211. a chute; 22. a limiting wheel II; 23. a support bar; 24. a wire winding rod; 241. a steel cord; 2411. moving the wire clamp; 2412. a collar; 242. an anti-drop block; 3. a sliding device; 31. a through groove; 32. a support block; 41. a nut; 42. cushion blocks; 5. a drive device; 51. a handle; 52. meshing teeth; 53. an engagement lever; 54. and an elastic device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a power transmission and transformation circuit turn-buckle, including wheel carrier 1, set up drive arrangement 5 on the wheel carrier 1 and set up the locking mechanism on wheel carrier 1, can dismantle swivelling joint and press from both sides 11 and erect the rotary rod 2 in the relative both sides of wheel carrier 1 at the fixed fastener of 1 one end of wheel carrier, the both ends of rotary rod 2 are rotated the cover respectively and are equipped with spacing round I21 and spacing round II 22, are provided with constriction device on the rotary rod 2. In this embodiment, the fixing clip 11 is connected to the wheel carrier 1 by a bolt.

Referring to fig. 1, the driving device 5 includes a handle 51 fixedly disposed on the peripheral wall of the rotating rod 2, an engaging tooth 52 disposed on the limiting wheel i 21 or/and the limiting wheel ii 22, and an engaging rod 53 hinged on the handle 51, the engaging rod 53 is disposed corresponding to the engaging tooth 52, an elastic device 54 is disposed between the engaging rod 53 and the handle 51, and the elastic device 54 makes the engaging rod 53 have a tendency to rotate around the hinge point with the handle 51 toward the limiting wheel i 21. In this embodiment, the elastic device 54 is a torsion spring, and the limiting wheel i 21 and the limiting wheel ii 22 are both provided with engaging teeth 52.

Referring to fig. 1 and 2, articulated on the perisporium of rotary rod 2 have multiunit bracing piece 23, multiunit bracing piece 23 all inclines to set up, the axial setting of rotary rod 2 is followed to every group bracing piece 23, the other end of every group bracing piece 23 all articulates there is winding rod 24, winding rod 24 is provided with slider 3 with spacing round I21 and spacing round II 22 respectively at its both ends, be provided with constriction device on rotary rod 2, the fixed steel cable 241 that is provided with on arbitrary winding rod 24, rotary rod 2 one side is kept away from at a plurality of winding rods 24 to steel cable 241 around establishing, swivelling joint can be dismantled with wheel carrier 1 to the other end of steel cable 241, it is provided with removal fastener 2411 to slide. In this embodiment, the support rods 23 are provided with five groups, the five groups of support rods 23 are uniformly distributed along the circumferential direction of the rotating rod 2, each group includes two support rods 23, the corresponding winding rods 24 are provided with five, and the steel rope 241 is fixedly connected with any winding post.

Referring to fig. 2, the sliding device 3 includes a plurality of through grooves 31 formed along the radial direction of the winding rod 24 corresponding to the limiting wheel ii 22 or 1 and two supporting blocks 32 disposed at the two ends of the winding rod 24, the two ends of the winding rod 24 penetrate through the corresponding through grooves 31, and the supporting blocks 32 abut against one end of the limiting wheel i 21 close to the limiting wheel ii 22 or one end of the limiting wheel ii 22 close to the limiting wheel i 21. In this embodiment, five through slots 31 are correspondingly provided.

Referring to fig. 2, the limiting wheel i 21 and the limiting wheel ii 22 are provided with a sliding groove 211 corresponding to the supporting block 32, the depth of the sliding groove 211 gradually deepens from one end close to the rotating rod 2 to the other end, and the supporting block 32 is obliquely arranged corresponding to the bottom wall of the sliding groove 211 at one side where the supporting block 32 abuts against the limiting wheel i 21 or the limiting wheel ii 22; two ends of the rotating rod 2 are both provided with anti-falling blocks 242, and the distance between the anti-falling blocks 242 and the supporting block 32 is greater than the width of the limiting wheel I21 or the limiting wheel II 22.

Referring to fig. 1 and 2, the shrinking device comprises a cushion block 42 and a nut 41, wherein the cushion block 42 is arranged at one end of the rotating rod 2 and the limiting wheel I21 in a rotating and sleeving mode, the nut 41 is in threaded connection with the rotating rod 2 and the limiting wheel II 22 in a rotating and sleeving mode, and the thickness of the cushion block 42 is not smaller than the distance between the limiting wheel I21 and the limiting wheel II 22.

Referring to fig. 3, a pin 12 is inserted between two side walls of the wheel frame 1, and a collar 2412 is disposed at one end of the steel cable 241 far from the winding rod 24 and corresponding to the pin 12. The pin 12 is provided with an annular groove 121, and the collar 2412 is positioned in the annular groove 121.

The implementation principle of the embodiment is as follows: when the device is used, firstly, the locking mechanism is opened to draw the steel rope 241 out of the wheel carrier 1, the movable wire clamp 2411 is respectively and fixedly connected with a lead, the fixed wire clamp 11 is fixedly connected with the cross bar, then the locking mechanism is closed to prevent the rotary bar 2 from reversing, the handle 51 is pulled in a reciprocating way to enable the meshing rod 53 to drive the limiting wheel I21 and the limiting wheel II 22 to rotate, the steel rope 241 is taken back to the wire clamp to enable the steel rope 241 to be wound on the plurality of winding rods 24, the lead is straightened and fixed, after the lead is fixed, the nut 41 is screwed out from the limiting wheel I21, because the steel rope 241 is subjected to guiding pulling force, the plurality of winding rods 24 have the tendency of moving towards the rotary bar 2, two ends of the winding rods 24 slide towards the rotary bar 2 in the through grooves 31, the supporting block 32 abutted to the limiting wheel I21 pushes the limiting wheel I21 to deviate from the limiting wheel II 22 to move, and at the same time, the supporting rod 23 will rotate around the hinge point of the supporting rod 23 and the rotating rod 2 towards the limiting wheel I21, so that the plurality of winding rods 24 also move towards the rotating rod 2, thus, the steel cables 241 wound around the plurality of winding rods 24 are contracted by the tension of the wire, the tension of the steel cables 241 is discharged, so that the device does not produce tension on the wire, the fixed wire clamp 11 and the movable wire clamp 2411 can be easily taken down, and after the device is taken down, the limiting wheel I21 moves towards the limiting wheel II 22 along the axial direction of the rotating rod 2, the limiting wheel pushes the supporting block 32 abutted against the limiting wheel to enable the winding rod 24 to move in the through groove 31 of the limiting wheel II 22, and simultaneously the support rod 23 will rotate around its pin joint with rotary rod 2 towards spacing wheel II 22 and promote a plurality of wire wrapping rods 24 to deviate from rotary rod 2 and remove, finally make each wire wrapping rod 24 return to the normal position. The anti-slip block 242 prevents the two ends of the winding rod 24 from slipping out of the through groove 31 due to the overlong distance of the winding rod 24 moving along the rotating rod 2 when the winding rod 24 is opened or tightened, which causes the two ends of the winding rod 24 to slip in the through groove 31. The movable wire clamp 2411 is detachably and fixedly connected with the steel rope 241 far away from the lantern ring 2412 at one end of the wire winding rod 24 through the pin 12. The annular groove 121 limits the collar 2412 so that it cannot slide in the axial direction of the collar 2412.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a power transmission and transformation circuit turn-buckle, includes wheel carrier (1), sets up drive arrangement (5) on wheel carrier (1) and sets up the locking mechanism on wheel carrier (1), its characterized in that: the wire winding device is characterized by further comprising a fixed wire clamp (11) and a rotating rod (2), wherein the fixed wire clamp and the rotating rod are detachably and rotatably connected to one end of the wheel carrier (1), the rotating rod (2) are rotatably erected on two opposite sides of the wheel carrier (1), one end of the rotating rod (2) is fixedly provided with a limiting wheel I (21), the other end of the rotating rod is rotatably sleeved with a limiting wheel II (22), the limiting wheel I (21) and the limiting wheel II (22) are located in the wheel carrier (1), a plurality of groups of supporting rods (23) are hinged to the peripheral wall of the rotating rod (2), the plurality of groups of supporting rods (23) are all obliquely arranged, each group of supporting rods (23) is arranged along the axial direction of the rotating rod (2), each group of supporting rods (23) is hinged to the other end of each group of the winding rods (24), the two ends of each winding rod (24) are respectively provided with the limiting, a steel rope (241) is fixedly arranged on any one of the winding rods (24), the steel rope (241) is wound on one side, away from the rotating rod (2), of the winding rods (24), the other end of the steel rope (241) is detachably and rotatably connected with the wheel carrier (1), and a movable wire clamp (2411) is arranged on the steel rope (241) in a sliding mode.

2. The electric transmission and transformation line turnbuckle of claim 1, wherein: the sliding device (3) comprises a plurality of through grooves (31) formed in the wire winding rod (24) along the radial direction of the wire winding rod and two supporting blocks (32) arranged at the two ends of the wire winding rod (24), wherein the limiting wheel II (22) or 1 corresponds to the wire winding rod (24), the two ends of the wire winding rod (24) penetrate through the through grooves (31) correspondingly, and the supporting blocks (32) are abutted to one end, close to the limiting wheel II (22), of the limiting wheel I (21) or one end, close to the limiting wheel I (21), of the limiting wheel II (22).

3. The electric transmission and transformation line turnbuckle of claim 2, wherein: spacing round I (21) with spacing round II (22) correspond supporting shoe (32) are provided with spout (211), the degree of depth of spout (211) is deepened towards the other end by being close rotary rod (2) one end gradually, supporting shoe (32) butt one side of spacing round I (21) or spacing round II (22) corresponds spout (211) diapire slope setting.

4. The electric transmission and transformation line turnbuckle of claim 2, wherein: two ends of the rotating rod (2) are provided with anti-falling blocks (242), and the distance between the anti-falling blocks (242) and the supporting block (32) is larger than the width of the limiting wheel I (21) or the limiting wheel II (22).

5. The electric transmission and transformation line turnbuckle of claim 1, wherein: the constriction device is including setting up rotary rod (2) with spacing round I (21) rotate to overlap and establish cushion (42) and the threaded connection of one end rotary rod (2) with spacing round II (22) rotate to overlap and establish nut (41) of one end, the thickness of cushion (42) is not less than spacing round I (21) or spacing round II (22) distance.

6. The electric transmission and transformation line turnbuckle of claim 1, wherein: the driving device (5) comprises a handle (51) fixedly arranged on the peripheral wall of the rotating rod (2), meshing teeth (52) arranged on the limiting wheel I (21) or/and the limiting wheel II (22) and a meshing rod (53) hinged on the handle (51), wherein the meshing rod (53) is arranged corresponding to the meshing teeth (52), an elastic device (54) is arranged between the meshing rod (53) and the handle (51), and the elastic device (54) enables the meshing rod (53) to have the tendency of rotating around the hinged point of the meshing rod and the handle (51) towards the limiting wheel I (21).

7. The electric transmission and transformation line turnbuckle of claim 1, wherein: a pin (12) penetrates through the space between two side walls of the wheel carrier (1), and one end, far away from the winding rod (24), of the steel rope (241) is provided with a lantern ring (2412) corresponding to the pin (12).

8. The electric transmission and transformation line turnbuckle of claim 7, wherein: an annular groove (121) is formed in the pin (12), and the lantern ring (2412) is located in the annular groove (121).