CN214519665U

CN214519665U - High altitude construction anti-falling electric power pincers

Info

Publication number: CN214519665U
Application number: CN202023151143.2U
Authority: CN
Inventors: 许丽璇; 曾传贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-29
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an electric power correlation technique field just discloses an aerial working anti-drop electric power pincers, including the pincers body and safety box, the outside two bilateral symmetry's of fixedly connected with of the pincers body sleeve, right side the bottom fixedly connected with of sleeve is received and is put the area, it keeps away from the one end of sleeve and extends to inside the safety box to receive and put the area. This high altitude construction anti-drop electric power pincers, solved the electrician and often needed high altitude construction when carrying out power maintenance, and take place the phenomenon of carelessly taking off the hand with electric power pincers when using electric power pincers easily, the electric power pincers that have on the market now mostly do not have anti-drop function, lead to electrician in case electric power pincers take off the hand and can drop to ground when the eminence carries out the during operation, and general solution is to tie up electric power pincers on one's own with the belt, but do like this and need user oneself to bend down when electric power pincers drop and pull back electric power pincers, the problem of the safety and danger of staff self has seriously been influenced when the eminence operation.

Description

High altitude construction anti-falling electric power pincers

Technical Field

The utility model relates to an electric power pincers technical field specifically is an aerial work anti falling electric power pincers.

Background

The power clamp is a tool for installing and disassembling a high-voltage fuse or performing other similar works, is mainly used for power systems of 35kV and below, and comprises a power clamp body, an insulating part and a handle, wherein the power clamp body consists of a working jaw, an insulating part and a handle; each section is made of an insulating material, the same material as the insulating rod, except that the working section is a solid clamp and has one or two tubular openings for clamping the fuse.

Electricians often need high altitude construction when carrying out power maintenance, and take place the phenomenon of taking off the power tong carelessly when using power tong easily, the power tong that has in the existing market mostly does not have the anti falling function, lead to electricians to take off the hand and can drop to ground in case power tong when eminence is worked, and general solution is to tie up power tong on oneself with the belt, but do like this and need user oneself to bend down and pull back power tong when power tong drops, seriously influenced staff's self safety and danger during high altitude construction, so provide a high altitude construction anti falling power tong and solve above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an aerial working anti-drop electric power pincers, possess the advantage that prevents the high altitude and fall and can withdraw automatically, it often needs the high altitude construction to have solved the electrician when carrying out power maintenance, and take place the phenomenon that takes off the electric power pincers carelessly easily when using electric power pincers, the electric power pincers that have on the market now mostly do not have the anti-drop function, lead to the electrician to carry out during operation in the eminence in case electric power pincers take off the hand and can drop to ground, and general solution is to tie up electric power pincers on one's own with the belt, nevertheless do like this and need user oneself to bow when electric power pincers drop and pull back electric power pincers, the problem of the safety and danger of staff self has seriously been influenced when the high altitude construction.

(II) technical scheme

In order to realize the purpose of preventing the high altitude from falling and automatically withdrawing, the utility model provides a following technical scheme: the anti-falling electric power pliers for the high-altitude operation comprise a plier body and a safety box, wherein two bilaterally symmetrical handle sleeves are fixedly connected to the outer part of the plier body, a winding and unwinding belt is fixedly connected to the bottom of the handle sleeve on the right side, one end, far away from the handle sleeves, of the winding and unwinding belt extends into the safety box, a winding wheel is movably connected to the inner part of the safety box, the bottom end of the winding and unwinding belt is wound on the outer part of the winding and unwinding wheel, a bearing disc fixedly connected with the safety box is fixedly connected to the right side wall of the winding and unwinding wheel, a coil spring is fixedly connected to the right side wall of the bearing disc, the other end of the coil spring is fixedly connected with the inner right wall of the safety box, a reel is fixedly connected to the left side wall of the winding and unwinding wheel, a tension spring is fixedly connected to the left side wall of the reel, a clutch lever with one end extending to the outer part of the tension spring and rotatably connected with the reel is sleeved in the tension spring, a ratchet wheel positioned on the left side wall of the reel is fixedly connected with the clutch lever, the ratchet wheel is rotationally connected with the safety box, the inner left wall of the safety box is fixedly connected with a sensitive spring, the bottom of the sensitive spring is fixedly connected with a cam, the inner left wall of the safety box is rotationally connected with a pawl located below the left side of the sensitive spring, and one end of the left side of the cam is fixedly connected with a sliding pin extending to the inside of the pawl.

Preferably, the pawl is provided with an arc hole matched with the sliding pin in the inside, and the sliding pin is inserted in the arc hole.

Preferably, the left inner wall of the safety box is fixedly connected with a connecting block, and the sensitive spring is fixedly connected with the safety box through the connecting block.

Preferably, the left axis of the scroll is fixedly connected with a fixing rod, and the left end of the fixing rod is fixedly connected with the axis of the ratchet wheel.

Preferably, the inner left wall of the safety box is rotatably connected with a rotating shaft, and the ratchet wheel is rotatably connected with the safety box through the rotating shaft.

Preferably, the front side wall of the pawl is rotatably connected with a spindle, and the pawl is rotatably connected with the safety box through the spindle.

Preferably, the top of the safety box is provided with a receiving and releasing hole matched with the receiving and releasing belt, and the front side wall of the safety box is in threaded connection with a buckle.

(III) advantageous effects

Compared with the prior art, the utility model provides an aerial working anti-drop electric power pincers possesses following beneficial effect:

the falling-preventing power tongs for high-altitude operation is characterized in that a buckle is arranged, the buckle is arranged on a safety belt carried by the power tongs when the falling-preventing power tongs are used, a retractable belt is pulled out at a constant speed to drive a scroll to rotate slowly, a tension spring is in a normal state to enable a clutch lever not to exceed the diameter of an outer ring of a ratchet wheel, the retractable belt can stretch freely, when the power tongs fall carelessly, the scroll rotates quickly, the tension spring can extend under the action of centrifugal force and then throw the clutch lever outwards, the clutch lever can be made to toggle a cam through rotation of the scroll, the cam can drive a sliding pin to move upwards together, the sliding pin drives a pawl to lift up, when the ratchet wheel is meshed with the pawl, a winding wheel does not release the length of the retractable belt any more, the winding wheel enters a locking state, the coil spring is arranged to automatically contract after the power tongs stop, potential energy can be generated to retract the retractable belt, and the purpose of preventing high-altitude falling of the power tongs is achieved, the problem of electrician often need high altitude construction when carrying out power maintenance, and take place the phenomenon of carelessly taking off the hand with electric power pincers easily when using electric power pincers, the electric power pincers that have in the existing market mostly do not have the anti-drop function, lead to electrician in case electric power pincers take off the hand and can drop to ground when the eminence carries out the work, and general solution is to tie up electric power pincers on one's body with the belt, but do like this and need user oneself to bend down when electric power pincers drop and pull back electric power pincers, the safety and danger of staff self has seriously been influenced when the eminence operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the safety box of the present invention;

FIG. 3 is a schematic view of the connection between the bearing disk and the coil spring according to the present invention;

FIG. 4 is a left side sectional view of the present invention;

fig. 5 is a connection diagram of the reel and the tension spring of the present invention.

In the figure: 1. a clamp body; 2. covering the handlebar; 3. taking in and putting out the belt; 4. a security box; 5. a winding wheel; 6. a bearing disk; 7. a coil spring; 8. a reel; 9. a tension spring; 10. a clutch lever; 11. a ratchet wheel; 12. a sensitive spring; 13. a cam; 14. a pawl; 15. and (4) a sliding pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an aerial work anti-falling electric power tong comprises a tong body 1 and a safety box 4, wherein a receiving hole matched with a receiving and releasing belt 3 is formed in the top of the safety box 4, a buckle is connected to the front side wall of the safety box 4 through a thread, two bilaterally symmetrical handle sleeves 2 are fixedly connected to the outside of the tong body 1, the receiving and releasing belt 3 is fixedly connected to the bottom of the right side handle sleeve 2, one end of the receiving and releasing belt 3, which is far away from the handle sleeve 2, extends into the safety box 4, a winding wheel 5 is movably connected to the inside of the safety box 4, the bottom end of the receiving and releasing belt 3 is wound outside the winding wheel 5, a bearing disc 6 fixedly connected with the safety box 4 is fixedly connected to the right side wall of the winding wheel 5, a coil spring 7 is fixedly connected to the right side wall of the bearing disc 6, the other end of the coil spring 7 is fixedly connected with the inner right wall of the safety box 4, a reel 8 is fixedly connected to the left side wall of the winding wheel 5, a tension spring 9 is fixedly connected to the left side wall of the reel 8, a clutch lever 10 with one end extending to the outside and rotationally connected with the scroll 8 is sleeved inside the tension spring 9, a ratchet wheel 11 positioned on the left side of the clutch lever 10 is fixedly connected to the left side wall of the scroll 8, a fixed lever is fixedly connected to the left side axis of the scroll 8, the left end of the fixed lever is fixedly connected to the axis of the ratchet wheel 11, the ratchet wheel 11 is rotationally connected with the safety box 4, the inner left wall of the safety box 4 is rotationally connected with a rotating shaft, the ratchet wheel 11 is rotationally connected with the safety box 4 through the rotating shaft, the inner left wall of the safety box 4 is fixedly connected with a sensitive spring 12, the left inner wall of the safety box 4 is fixedly connected with a connecting block, the sensitive spring 12 is fixedly connected with the safety box 4 through the connecting block, the bottom of the sensitive spring 12 is fixedly connected with a cam 13, the inner left wall of the safety box 4 is rotationally connected with a pawl 14 positioned below the left side of the sensitive spring 12, and the front side wall of the pawl 14 is rotationally connected with a mandrel, the pawl 14 is rotatably connected with the safety box 4 through a mandrel, the left side of the cam 13 is fixedly connected with a sliding pin 15, one end of the sliding pin 15 extends into the pawl 14, an arc-shaped hole matched with the sliding pin 15 is formed in the pawl 14, the sliding pin 15 is inserted into the arc-shaped hole, the buckle is arranged on a safety belt carried by the pawl 14 when the safety belt retractor is used, the retractable belt 3 is pulled out at a constant speed to drive the reel 8 to rotate slowly, the tension spring 9 is in a normal state, so that the clutch lever 10 does not exceed the diameter of the outer ring of the ratchet 11, the retractable belt 3 can stretch freely, when the electric pliers accidentally fall down, the reel 8 rotates rapidly, the tension spring 9 extends under the action of centrifugal force, the clutch lever 10 is thrown outwards, the clutch lever 10 can be shifted through the rotation of the reel 8, the cam 13 can drive the sliding pin 15 to move upwards when moving upwards, the sliding pin 15 drives the pawl 14 to lift, when the ratchet wheel 11 and the pawl 14 are engaged, the take-up wheel 5 no longer releases the length of the take-up and pay-off belt 3, thereby entering a locking state, and by arranging the coil spring 7, the coil spring 7 automatically contracts after the electric clamp stops falling, the potential energy can be generated to withdraw the retraction belt 3, thereby achieving the purpose of preventing the electric power pliers from falling from high altitude, solving the problem that electricians often need to work high altitude when carrying out electric power maintenance, the phenomenon that the power pliers are accidentally released when the power pliers are used is easy to occur, most of the power pliers in the market have no anti-falling function, so that once the power pliers are released and fall to the ground when an electrician works at a high place, the general solution is to tie the power tong to the body by a belt, but in this way, when the power tong falls, a user needs to bend over to pull the power tong back, and the safety of workers is seriously affected during high-altitude operation.

To sum up, the falling-prevention power tong for aloft work is provided with the buckle, the buckle is arranged on a safety belt of the power tong when the falling-prevention power tong is used, the winding and unwinding belt 3 is pulled out at a constant speed to drive the reel 8 to rotate slowly, the tension spring 9 is in a normal state to ensure that the clutch lever 10 does not exceed the diameter of the outer ring of the ratchet wheel 11, the winding and unwinding belt 3 can stretch freely, when the power tong falls carelessly, the reel 8 rotates rapidly, the tension spring 9 extends under the action of centrifugal force to throw the clutch lever 10 outwards, then the clutch lever 10 can stir the cam 13 through the rotation of the reel 8, the cam 13 drives the sliding pin 15 to move upwards together when moving upwards, then the sliding pin 15 drives the pawl 14 to lift up, when the ratchet wheel 11 is meshed with the pawl 14, the winding wheel 5 does not release the length of the winding and unwinding belt 3 any more, so as to enter a locking state, and the winding spring 7 is arranged to automatically contract after the power tong stops falling, can produce the potential energy and will receive and put area 3 and withdraw, then reached the purpose that electric power pincers prevent the high altitude to fall, it often needs high altitude construction to have solved the electrician when carrying out power maintenance, and take place carelessly when using electric power pincers to take off the phenomenon of hand, the electric power pincers that have on the market now mostly do not have the function of preventing falling, lead to the electrician in case electric power pincers take off the hand and can drop to ground when the eminence carries out the during operation, and general solution is to tie up electric power pincers on one's own with the belt, but do like this and need user oneself to bow when electric power pincers drop and pull back electric power pincers, the problem of the safety and danger of staff self has seriously been influenced when the eminence operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aerial working anti-falling electric power pincers, includes pincers body (1) and safety box (4), its characterized in that: the clamp comprises a clamp body (1), two bilaterally symmetrical handle sleeves (2) are fixedly connected to the outer portion of the clamp body (1), a winding and unwinding belt (3) is fixedly connected to the bottom of the handle sleeve (2) on the right side, one end, far away from the handle sleeve (2), of the winding and unwinding belt (3) extends into a safety box (4), a winding and unwinding wheel (5) is movably connected to the inner portion of the safety box (4), the bottom end of the winding and unwinding belt (3) is wound outside the winding and unwinding wheel (5), a bearing disc (6) fixedly connected with the safety box (4) is fixedly connected to the right side wall of the winding and unwinding wheel (5), a coil spring (7) is fixedly connected to the right side wall of the bearing disc (6), the other end of the coil spring (7) is fixedly connected with the inner right wall of the safety box (4), a reel (8) is fixedly connected to the left side wall of the winding and unwinding wheel (5), and a tension spring (9) is fixedly connected to the left side wall of the reel (8), the inside of tension spring (9) is cup jointed one end and is extended to its outside and rotate trip lever (10) of being connected with spool (8), the left side wall fixedly connected with of spool (8) is located left ratchet (11) of trip lever (10), ratchet (11) are rotated with safety box (4) and are connected, the interior left wall fixedly connected with sensitive spring (12) of safety box (4), the bottom fixedly connected with cam (13) of sensitive spring (12), the interior left wall of safety box (4) is rotated and is connected with pawl (14) that are located sensitive spring (12) left side below, the left side fixedly connected with one end of cam (13) extends to inside sliding pin (15) of pawl (14).

2. The aerial work anti-falling electric power tong of claim 1, characterized in that: the inside of pawl (14) is seted up with the arc hole of sliding pin (15) looks adaptation, and inside the arc hole is pegged graft in sliding pin (15).

3. The aerial work anti-falling electric power tong of claim 1, characterized in that: the left inner wall of the safety box (4) is fixedly connected with a connecting block, and the sensitive spring (12) is fixedly connected with the safety box (4) through the connecting block.

4. The aerial work anti-falling electric power tong of claim 1, characterized in that: the left side axle center department fixedly connected with dead lever of spool (8), and the axle center department fixedly connected with ratchet (11) of the left end of dead lever.

5. The aerial work anti-falling electric power tong of claim 1, characterized in that: the inner left wall of the safety box (4) is rotatably connected with a rotating shaft, and the ratchet wheel (11) is rotatably connected with the safety box (4) through the rotating shaft.

6. The aerial work anti-falling electric power tong of claim 1, characterized in that: the front side wall of the pawl (14) is rotatably connected with a mandrel, and the pawl (14) is rotatably connected with the safety box (4) through the mandrel.

7. The aerial work anti-falling electric power tong of claim 1, characterized in that: the top of the safety box (4) is provided with a folding and unfolding hole matched with the folding and unfolding belt (3), and the front side wall of the safety box (4) is in threaded connection with a buckle.