CN217934819U

CN217934819U - Anti-slipping wire tightener for power transmission and transformation circuit

Info

Publication number: CN217934819U
Application number: CN202221943242.0U
Authority: CN
Inventors: 张海
Original assignee: Jiangsu Rongshuang Hydropower Construction Engineering Co ltd
Current assignee: Jiangsu Rongshuang Hydropower Construction Engineering Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-29
Anticipated expiration: 2032-07-25

Abstract

The application relates to an anti-slipping wire tightener for a power transmission and transformation circuit, which comprises a base, wherein two supports are erected on the base relatively, and a winding drum for drawing and winding an electric wire is rotatably arranged between the two supports; the wire winding device is characterized in that an anti-slip assembly is arranged on the support in a sliding manner, a matching piece is arranged at one end of the winding drum, when the winding drum winds the wire, the anti-slip assembly is used for matching with the matching piece and preventing the winding drum from slipping off the unwound wire, and a driving piece used for driving the anti-slip assembly to be separated from the matching piece is arranged on the support; the base is provided with a damping speed control piece, the damping speed control piece is connected with a rotating center of the winding drum, and when the winding drum unreels an electric wire, the damping speed control piece is used for reducing the unreeling speed of the winding drum. This application has the effect that reduces the emergence that the electric wire slided the condition from the hoist engine when the hoist engine was received line, unwrapping wire to the electric wire.

Description

Power transmission and transformation circuit antiskid turn-buckle that takes off

Technical Field

The application relates to the technical field of electric power construction equipment, especially, relate to a turn-buckle is taken off in power transmission and transformation circuit antiskid.

Background

The electric transmission line is a line which is mutually communicated between a power plant and an electric load center and between the electric load centers, and the line tightening of the electric transmission and transformation line refers to that the electric transmission and transformation line is pulled when the electric transmission and transformation line is erected between two towers, and the electric transmission and transformation line is erected on the assembled towers according to designed line tightening stress (sag).

In the process of line erection, an operator pulls the electric wire on the ground by using the wire tightening device, and the overhead wind speed of the electric wire is usually higher than the ground wind speed, the overhead length of the electric wire is longer, the weight is heavier, the shaking amplitude is large, and the sag is difficult to control and observe, so that the wire winding and unwinding operations are required to be carried out for multiple times by a winch to adjust the tension of the electric wire, and the sag of the electric wire meets the erection requirement.

Aiming at the related technologies, the inventor finds that when the wire is taken up and paid off, the shaking of the wire in the air easily generates a large instantaneous tension, so that the wire slides off from a winch and is quickly unreeled, the overhead wire is damaged by falling, and the redundant labor amount of repeated adjustment of an operator is increased.

SUMMERY OF THE UTILITY MODEL

In order to reduce the hoist engine and receive the emergence that the electric wire slided the circumstances of taking off from the hoist engine when line, unwrapping wire, this application provides a turn-buckle is taken off in power transmission and transformation circuit antiskid.

The application provides a pair of turn-buckle is taken off in power transmission and transformation circuit antiskid. The following technical scheme is adopted:

the anti-slipping wire tightener for the power transmission and transformation line comprises a base, wherein two supports are erected on the base relatively, and a winding drum for drawing and winding wires is rotatably arranged between the two supports;

the wire winding device is characterized in that an anti-slip assembly is arranged on the support in a sliding manner, a matching piece is arranged at one end of the winding drum, when the winding drum winds the wire, the anti-slip assembly is used for matching with the matching piece and preventing the winding drum from slipping off the unwound wire, and a driving piece used for driving the anti-slip assembly to be separated from the matching piece is arranged on the support;

the base is provided with a damping speed control piece, the damping speed control piece is connected with a rotating center of the winding drum, and when the winding drum unreels an electric wire, the damping speed control piece is used for reducing the unreeling speed of the winding drum.

By adopting the technical scheme, the winding drum rotates in a unidirectional mode to wind the electric wire during wire tightening, and the anti-slip assembly enables the winding drum to be incapable of rotating in a direction opposite to the winding rotation direction, so that the situation that the winding drum is rapidly unwound due to overlarge instantaneous tension of the overhead electric wire is favorably reduced, and the situation that the electric wire slips is reduced;

when needs unwrapping wire is with the adjustment electric wire arc to hang down, driving piece drive antiskid takes off the subassembly and then makes the antiskid take off the rotation that the subassembly no longer hinders the reel for the reel can be done with receipts line rotation direction opposite's unwrapping wire rotation, and the rotational speed when the reel unreels can effectively be reduced to the damping speed controller, has reduced the emergence of electric wire slippage condition.

In a specific implementation scheme, a sliding hole is formed in the bracket, a sliding block is arranged in the sliding hole in a sliding manner, the anti-slip assembly comprises a rotating shaft which is rotatably connected with the sliding block, a pawl is fixedly connected to one end of the rotating shaft, which is far away from the sliding block, a torsion spring is clamped between the pawl and the sliding block, and the torsion spring is sleeved on the rotating shaft;

the fitting piece is including setting up the ratchet of reel one end, the ratchet with the reel is with the axle center fixed, the pawl is used for the joint the teeth of a cogwheel of ratchet, just the reel rolling electric wire in-process, the pawl winds ratchet circumference relative slip and reciprocal extrusion the torsional spring.

Through adopting above-mentioned technical scheme, when the reel rolling electric wire, the ratchet of pawl joint ratchet constantly winds ratchet circumference relative slip for one-way rolling rotation can only be made to ratchet and reel, has effectively prevented the reel and has unreeled fast because of receiving the too big and emergence of electric wire slippage condition of the instantaneous pulling force of overhead wire.

In a specific possible embodiment, the damping speed control member comprises a tension controller arranged on the bracket, and a braking end of the tension controller is coaxially and fixedly connected with a rotation center of one end of the winding drum.

Through adopting above-mentioned technical scheme, when the reel unwrapping wire was hung down in order to adjust the arc, tension controller work and output invariable torsional resistance can effectively reduce the rotation rate when the reel unreeled, are favorable to operating personnel to carry out adjustment control to electric wire unwrapping wire length, have also reduced operating personnel's intensity of labour simultaneously.

In a specific possible implementation scheme, a motor is fixed on the base, a driving end of the motor is coaxially and fixedly connected with a power gear, one end of the winding drum is coaxially and fixedly connected with a driven gear, and the power gear is meshed with the driven gear.

Through adopting above-mentioned technical scheme, motor drive power gear, driven gear rotate, and then drive the reel and rotate the rolling electric wire, and motor drive has replaced manpower drive, has reduced operating personnel's intensity of labour.

In a specific implementation scheme, the driven gear is towards the terminal surface of support has seted up spacing annular, the axle center of spacing annular with driven gear's axle center collineation, on the support towards spacing annular slides and is provided with the bolt, be fixed with on the bolt and be used for the joint the stopper of spacing annular.

Through adopting above-mentioned technical scheme, when needing the reel stall, operating personnel inserts the stopper of bolt in the spacing annular for driven gear is fixed mutually with the support, has realized the rotation locking of reel, is favorable to promoting the static stability of reel

In a specific embodiment, one end of the winding drum is provided with a swing rod for swinging the winding drum to rotate.

Through adopting above-mentioned technical scheme, when receiving line, unwrapping wire, operating personnel can use the rocking rod to rotate the reel adjustment and receive the length of line, unwrapping wire to the sag to built on stilts electric wire finely tunes.

In a specific embodiment, the edge of the base is provided with a fixing block, and the fixing block is inserted with a fixing drill rod for inserting a soil layer.

Through adopting above-mentioned technical scheme, be favorable to strengthening the stability that the turn-buckle during operation was taken off in the antiskid of power transmission and transformation circuit subaerial, be favorable to reducing the emergence that the turn-buckle was taken off in the antiskid of power transmission and transformation circuit rocked, the upset condition because of the instantaneous pulling force that receives the electric wire.

In a specific possible embodiment, the bottom surface of the base is provided with a plurality of universal wheels.

Through adopting above-mentioned technical scheme, operating personnel can push and pull the power transmission and transformation circuit antiskid take off the turn-buckle and remove, makes things convenient for the power transmission and transformation circuit antiskid to take off the transfer transportation and the position adjustment of turn-buckle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the anti-slipping component, the winding drum can only perform one-way winding rotation during winding, thereby being beneficial to reducing the situation that the winding drum is rapidly unwound due to overlarge instantaneous tension of an overhead wire and reducing the situation of wire slipping;

2. by arranging the electric push rod, the slide block and the tension controller, the unwinding rotation of the winding drum is realized, the unwinding rotation speed of the winding drum can be effectively reduced, the adjustment and control of the wire unwinding length by an operator are facilitated, and the labor intensity of the operator is reduced;

3. through setting up driving motor, the reel is received line and has been replaced human drive by motor drive, has reduced operating personnel's intensity of labour.

Drawings

Fig. 1 is a schematic structural diagram for embodying an anti-slipping wire grip of a power transmission and transformation line in an embodiment of the present application.

Fig. 2 is a sectional view of the structure of the anti-slip assembly of fig. 1 for embodying an anti-slip tightener for a power transmission and transformation line.

Fig. 3 is a sectional view of an anti-slipping component structure when the anti-slipping tightener of the power transmission and transformation line unreels in the embodiment of the present application.

Fig. 4 is a structural section view of a plug for embodying an anti-slipping wire grip of a power transmission and transformation line in an embodiment of the present application.

Reference number description, 1, base; 11. a motor base; 12. a fixed block; 13. fixing the drill rod; 2. a support; 21. a bearing seat; 22. a slide hole; 23. an electric push rod; 24. a slider; 3. a reel; 31. an end plate; 32. a rotating shaft; 321. a rocking bar; 4. an anti-slip assembly; 41. a ratchet wheel; 42. a rotating shaft; 43. a pawl; 44. a torsion spring; 5. a motor; 51. a power gear; 6. a driven gear; 61. a limiting ring groove; 62. a first tooth; 7. a tension controller; 71. a housing; 8. a bolt; 81. a limiting block; 811. a second tooth; 9. a universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses wire grip is taken off in power transmission and transformation circuit antiskid.

Referring to fig. 1 and 2, a power transmission and transformation circuit antiskid take-off turn-buckle, including base 1, two supports 2 have been erect relatively on base 1, two 2 top fixedly connected with of support hold swivel mount 21, two are held the swivel mount 21 and rotate between and are provided with the reel 3 that is used for pulling and twines the electric wire, the both ends of reel 3 are provided with the end plate 31 that is used for restricting the electric wire to break away from the barrel respectively, sliding hole 22 has been seted up on one of them support 2, sliding hole 22's inside wall fixedly connected with driving piece, driving piece adopts electric putter 23 in this embodiment. The pushing direction of the electric push rod 23 is parallel to the length direction of the sliding hole 22, a sliding block 24 is connected in the sliding hole 22 in a sliding mode, and the sliding block 24 is electrically and fixedly connected with the pushing end of the electric push rod 23;

one side that slider 24 faced reel 3 is connected with anti-skidding and takes off subassembly 4, and when reel 3 rolled up the electric wire, anti-skidding and takes off subassembly 4 and hinders reel 3 because of receiving the built on stilts electric wire instantaneous pulling force too big quick unreeling that takes place and rotate, is favorable to reducing the emergence of the electric wire slippage condition, and when reel 3 unwrapped wire, electric putter 23 pulling slider 24 slided and then makes anti-skidding and takes off subassembly 4 and no longer hinders reel 3's rotation for reel 3 can do and receive the unwrapping wire rotation that line rotation direction is opposite.

Referring to fig. 1, base 1 is located one side frame of support 2 and is equipped with motor cabinet 11, the top surface fixedly connected with motor 5 of motor cabinet 11, the drive end of motor 5 is with axle center fixedly connected with power gear 51, reel 3 is close to on the end plate 31 of motor 5 one side with axle center fixedly connected with driven gear 6, driven gear 6 meshes power gear 51, when reel 3 rolling electric wire, motor 5 is through driving power gear 51, driven gear 6 rotates and then drives reel 3 and rotate, the manpower drive has been replaced in the drive of motor 5, operating personnel intensity of labour has been reduced.

Referring to fig. 1 and 2, the anti-slip assembly 4 includes a ratchet wheel 41 coaxially and fixedly connected to the end plate 31, one side of the slider 24 facing the ratchet wheel 41 is rotatably connected to a rotating shaft 42, one end of the rotating shaft 42 is fixedly connected to a pawl 43, the rotating shaft 42 is sleeved with a torsion spring 44, one end of the torsion spring 44 is embedded in the pawl 43, the other end of the torsion spring 44 is embedded in the slider 24, when the wire is wound on the winding drum 3, the slider 24 abuts against a side wall of the sliding hole 22 under the pushing action of the electric push rod 23, the pawl 43 engages with a ratchet of the ratchet wheel 41, the winding drum 3 winds and drives the ratchet wheel 41 to rotate, the pawl 43 relatively slides around the circumferential direction of the ratchet wheel 41 and reciprocally presses the torsion spring 44, the torsion spring 44 reciprocally ejects the pawl 43 to engage with the ratchet of the ratchet wheel 41, when the winding drum 3 has an instantaneous pulling force of too large overhead wire to cause the unwinding rotation tendency, the ratchet wheel 41 abuts against the pawl 43, and the slider 24 abuts against the side wall of the sliding hole 22 to cause the winding wheel 3 to rotate only in a unidirectional winding manner, which is beneficial to reduce the occurrence of the instantaneous pulling force caused by too large overhead wire to reduce the occurrence of the situation of fast unwinding of the wire winding and the wire slipping off.

Referring to fig. 1 and 3, the centers of the two ends of the winding drum 3 extend outward to be fixedly connected with the rotating shafts 32, the two rotating shafts 32 are rotatably connected with the two bearing bases 21 in a one-to-one correspondence manner, the tension controller 7 is fixedly connected to the outer side of the bearing base 21 close to one end of the ratchet 41, the tension controller 7 in this embodiment adopts a magnetic damper, the magnetic damper generates torsional resistance when being powered on, and does not generate torsional resistance when being powered off, and the specific working principle is the prior art and is not described herein again. The shell 71 of the tension controller 7 is fixedly connected with one side of the bearing seat 21 departing from the ratchet wheel 41, the rotating shaft 32 is fixedly connected with the braking end of the tension controller 7, when the winding drum 3 needs to be unwound, the motor 5 stops working, the torsion resistance of a constant value output by the tension controller 7 is adjusted, the tension controller 7 starts working, the push rod end of the electric push rod 23 retracts and pulls the sliding block 24 to slide, the pawl 43 is separated from the ratchet of the ratchet wheel 41, the winding drum 3 can be unwound and rotated, under the gravity traction and swing traction of an overhead electric wire, the electric wire pulls the winding drum 3 to unwind and rotate, the tension controller 7 obstructs the unwinding and rotation of the winding drum 3 through the rotating shaft 32, the speed is controlled in a range adaptive to the requirement of an operator, the adjustment and control of the unwinding length of the electric wire are facilitated for the operator, and the labor intensity of the operator is reduced.

Referring to fig. 4, driven gear 6 has seted up spacing annular 61 on the terminal surface of close support 2 of orientation, the axle center of spacing annular 61 and driven gear 6's axle center collineation, processing is formed with tooth one 62 on the cell wall of spacing annular 61, the below swing joint that lies in sliding hole 22 on the support 2 has bolt 8, bolt 8 is towards the one end fixedly connected with stopper 81 of spacing annular 61, machine-shaping has tooth two 811 on the lateral wall of stopper 81, reel 3 need stop to receive the line, during the unwrapping wire, operating personnel inserts bolt 8 and makes the spacing annular 61 of stopper 81 joint, tooth one 62 meshes and locking reel 3 with tooth two 811, be favorable to promoting reel 3's static stability.

Referring to fig. 3, the end of the rotating shaft 32 far away from the ratchet wheel 41 is coaxially and fixedly connected with a swing rod 321 for swinging the drum 3, when the motor 5 is not used in the wire winding and unwinding processes, an operator can use the swing rod 321 to rotate the drum 3, and adjust the length of the wire winding and unwinding, so as to finely adjust the sag of the overhead wire, and improve the precision of the wire tightening operation.

Referring to fig. 1, base 1 edge fixedly connected with fixed block 12 respectively all around, the central swing joint of fixed block 12 has the fixed borer 13 that is used for inserting the soil layer, before the power transmission and transformation circuit antiskid take off turn-buckle begins the stringing operation, inserts the soil layer with fixed borer 13, is favorable to strengthening the subaerial stability of power transmission and transformation circuit antiskid take off turn-buckle during operation, has effectively reduced power transmission and transformation circuit antiskid take off turn-buckle because of receiving the pulling force of built on stilts electric wire and has rocked, the emergence of the upset condition.

Referring to fig. 1, 4 universal wheels 9 that have the brake function of bottom surface fixedly connected with of base 1, the power transmission and transformation circuit antiskid take off turn-buckle work is accomplished the back, and operating personnel push-and-pull power transmission and transformation circuit antiskid take off turn-buckle removes, has made things convenient for the power transmission and transformation circuit antiskid to take off the transfer transportation and the position adjustment of turn-buckle.

The implementation principle of the power transmission and transformation circuit antiskid turn-buckle of this application embodiment does: the base 1 is pushed to move to a working place, an operator inserts the fixing drill 13 into a soil layer through the fixing block 12, and the anti-slip wire tightener for the power transmission and transformation circuit is fixed.

When the wire is wound for tightening, the electric push rod 23 is driven to enable the sliding block 24 to abut against the inner wall of the sliding hole 22, the motor 5 drives the driving drum 3 to rotate, the pawl 43 relatively slides around the circumferential direction of the ratchet wheel 41 and reciprocally extrudes the torsion spring 44, the torsion spring 44 reciprocally ejects the pawl 43 to clamp the ratchet teeth of the ratchet wheel 41, and when the drum 3 tends to unwind and rotate, the pawl 43 abuts against the ratchet teeth of the ratchet wheel 41 and locks the drum 3.

When the winding length needs to be finely adjusted, the motor 5 stops working, the pawl 43 is clamped with the ratchet of the ratchet wheel 41, and an operator shakes the rocking rod 321 to rotate the winding drum 3 to complete fine adjustment.

When the winding needs to be stopped, the motor 5 stops working, the pawl 43 tightly pushes the ratchet of the ratchet wheel 41, and the bolt 8 is pulled to enable the limiting block 81 to be inserted into the limiting ring groove 61 and lock the winding drum 3.

When unwinding, the motor 5 stops working, the tension controller 7 starts working and outputs a constant value of torsional resistance, the electric push rod 23 pulls the slider 24 to slide, the pawl 43 is disengaged from the ratchet of the ratchet wheel 41, the wire pulls the winding drum 3 to unwind and rotate, the tension controller 7 blocks the unwinding and rotation of the winding drum 3 through the rotating shaft 32, and the unwinding speed is controlled.

When the length of the pay-off line needs to be finely adjusted, the pawl 43 is separated from the ratchet of the ratchet wheel 41, the motor 5 stops working, the tension controller 7 works, and an operator shakes the swing rod 321 to rotate the winding drum 3 to unwind and finish fine adjustment.

When the unwinding needs to be stopped, the bolt 8 is pulled to enable the limiting block 81 to be inserted into the limiting ring groove 61 and the winding drum 3 is locked.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a turn-buckle is taken off in antiskid of power transmission and transformation circuit which characterized in that: the wire winding machine comprises a base (1), wherein two supports (2) are erected on the base (1) relatively, and a winding drum (3) used for drawing and winding wires is rotatably arranged between the two supports (2);

the wire winding device is characterized in that an anti-slipping component (4) is arranged on the support (2) in a sliding mode, a matching piece is arranged at one end of the winding drum (3), when the winding drum (3) winds wires, the anti-slipping component (4) is used for being matched with the matching piece and preventing the winding drum (3) from slipping off the unreeled wires, and a driving piece used for driving the anti-slipping component (4) to be separated from the matching piece is arranged on the support (2);

the winding machine is characterized in that a damping speed control piece is arranged on the base (1) and connected with a rotation center of the winding drum (3), and when the winding drum (3) unreels an electric wire, the damping speed control piece is used for reducing the unreeling speed of the winding drum (3).

2. The electric transmission and transformation circuit anti-slipping tightener of claim 1, characterized in that: the anti-slip device is characterized in that a sliding hole (22) is formed in the support (2), a sliding block (24) is arranged in the sliding hole (22) in a sliding mode, the anti-slip component (4) comprises a rotating shaft (42) which is connected with the sliding block (24) in a rotating mode, one end, away from the sliding block (24), of the rotating shaft (42) is fixedly connected with a pawl (43), a torsion spring (44) is clamped between the pawl (43) and the sliding block (24), and the torsion spring (44) is sleeved on the rotating shaft (42);

the fitting piece is including setting up ratchet (41) of reel (3) one end, ratchet (41) with reel (3) are fixed with the axle center, pawl (43) are used for the joint the teeth of a cogwheel of ratchet (41), just reel (3) rolling electric wire in-process, pawl (43) are wound ratchet (41) circumference relative slip and reciprocal extrusion torsional spring (44).

3. The electric transmission and transformation circuit antiskid turn-buckle of claim 1, characterized in that: the damping speed control piece comprises a tension controller (7) arranged on the support (2), and the braking end of the tension controller (7) is fixedly connected with the rotation center of one end of the winding drum (3) in a coaxial mode.

4. The electric transmission and transformation circuit anti-slipping tightener of claim 1, characterized in that: be fixed with motor (5) on base (1), the drive end of motor (5) is with axle center fixed connection has power gear (51), the one end of reel (3) is with axle center fixed connection has driven gear (6), power gear (51) meshing driven gear (6).

5. The electric transmission and transformation circuit anti-slipping tightener of claim 4, characterized in that: driven gear (6) orientation limit ring groove (61) have been seted up to the terminal surface of support (2), the axle center of limit ring groove (61) with the axle center collineation of driven gear (6), move towards on support (2) limit ring groove (61) slide and are provided with bolt (8), be fixed with on bolt (8) and be used for the joint limit block (81) of limit ring groove (61).

6. The electric transmission and transformation circuit antiskid turn-buckle of claim 1, characterized in that: one end of the winding drum (3) is provided with a swing rod (321) used for swinging the winding drum (3) to rotate.

7. The electric transmission and transformation circuit antiskid turn-buckle of claim 1, characterized in that: a fixed block (12) is arranged at the edge of the base (1), and the fixing block (12) is spliced with a fixing drill rod (13) for inserting a soil layer.

8. The electric transmission and transformation circuit anti-slipping tightener of claim 1, characterized in that: the bottom surface of the base (1) is provided with a plurality of universal wheels (9).