Special multifunctional pin remover for replacing insulator spring pin in hot-line work

Abstract

The invention relates to a special multifunctional pin remover for replacing an insulator spring pin in hot-line work, which comprises a main board and a pin clamp, a bracket is arranged above the middle of the main board, and the pin clamp is arranged at the top of the bracket and is used for realizing the installation operation of the spring pin; driving assemblies are arranged on the left side and the right side of the upper surface of the main plate correspondingly, single-linkage elbow taking and placing clamps are arranged on the positions, corresponding to the driving assemblies, of the lower surface of the main plate correspondingly, and the driving assemblies control the single-linkage elbow taking and placing clamps to be meshed or separated relatively and used for fixing single-linkage elbows in a meshed mode. A control box is arranged in front of the main board, a side plate is installed at one side end of the main board, and a spring pin puller is installed on the side plate and used for achieving spring pin taking-out operation. The device has the advantages of being reasonable in structure, convenient to operate and use, capable of improving working efficiency and high in practicability.

Description

Technical Field

[0001] The invention belongs to the technical field of tools for live working on insulators, and particularly relates to a special multifunctional pin remover for replacing spring pins of insulators during live working. Background Art

[0002] Insulators are a special type of insulating control in the power industry and play an important role in overhead transmission lines. In actual applications, the spring pins on the single-joint elbows of the insulator connections often become damaged or missing due to rust and squeezing caused by the insulator moving up and down. Traditionally, spring pin installation generally involves manual operation, which has the following problems: First, insulators are widely used and in large quantities. Manual installation generally requires equal potential or power outages, which is complex and inefficient. In addition, the large number of installations and the huge workload result in huge human and material resources consumption, greatly reducing work efficiency and affecting power supply. Furthermore, due to the heavy workload, operators are prone to fatigue as the installation work progresses, resulting in a probability of over 90% that the spring pins cannot be accurately installed. This can also easily cause permanent deformation of the spring pins, reducing their service life. Therefore, it is very necessary to provide a dedicated multifunctional pin remover for replacing insulator spring pins during live operations that has a reasonable structure, is easy to operate, improves work efficiency, and is highly practical. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a special multifunctional pin remover for replacing insulator spring pins during live working, which has a reasonable structure, is easy to operate and use, improves work efficiency and has strong practicality.

[0004] The object of the present invention is achieved as follows: a special multifunctional pin remover for replacing the spring pin of an insulator during live working, which includes a main board and a pin clamp, a bracket is provided above the middle part of the main board, and a pin clamp is provided on the top of the bracket for realizing the spring pin installation operation; drive components are provided on the left and right sides of the upper surface of the main board, and single-joint elbow picking and placing clamps are provided at the corresponding drive components on the lower surface of the main board. The single-joint elbow picking and placing clamps can be relatively engaged or separated by controlling the drive components to engage and fix the single-joint elbow; a control box is provided in front of the main board, a side panel is installed on one side end of the main board, and a spring pin puller is installed on the side panel for realizing the spring pin removal operation.

[0005] The pin clamp includes a pin clamp body inserted into a through hole and connected to the rotator, and a pin clamp head located at the top of the pin clamp body. The top of the pin clamp body is provided with a threaded portion, and the inside of the threaded portion is provided with an internal thread.

[0006] The pin chuck includes an arc-shaped plate, the front and rear sides of which are connected to the limiting disc through L rods, an external threaded rod connected to the internal thread is provided at the bottom of the arc-shaped plate, and a group of clamping pin arms are symmetrically provided on both sides of the arc-shaped plate, and the clamping pin arms are movably connected to the arc-shaped plate through rivets.

[0007] The spring pin puller includes a shell, a limit ring is detachably installed on one side of the shell, and a positioning seat is provided on the other side. A driver is installed inside the positioning seat, and the driver is dynamically connected to a pulling claw. The pulling claw extends into the interior of the shell and extends out of the limit ring; sliding holes are provided on the upper and lower sides of the shell.

[0008] The driver is mounted on the inner side of the positioning seat by a snap-fit connection through a snap ring, and a threaded sleeve is provided on the inner side of the snap ring; the pulling claw includes a sliding column located inside the outer shell, the sliding column is connected to the driver through a single-head screw, the sliding column is movably connected to the sliding hole through a cross bar, and a plurality of slots are evenly spaced around the inner circumference of the sliding column, and a pulling hook is installed inside each of the slots, and the pulling hook is movably connected to the slot through a rotating pin.

[0009] The beneficial effects of the present invention are as follows: the present invention is a special multifunctional pin remover for replacing the spring pin of an insulator during live working. After moving to the specified position, the single-joint elbow is clamped and fixed by the single-joint elbow pick-and-place clamp, and then the pin clamp is controlled to safely and conveniently remove the spring pin; during installation, the spring pin can be clamped by the pin clamp arm of the pin clamp, and after being sent into the elbow, the pin clamp is released, and the spring pin automatically pops open and is installed in place; when the spring pin has entered the single-joint elbow and has not been installed in place, the spring pin can be installed in place using the pulling hook of the spring pin puller; when the spring pin cannot be removed smoothly, the spring pin can be removed by hooking the tail of the spring pin through the pulling hook of the spring pin puller without destroying the spring pin; the present invention has the advantages of reasonable structure, easy operation and use, improved work efficiency, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a top view of the present invention.

[0011] Figure 2 For the present invention Figure 1 Schematic diagram of part of the structure.

[0012] Figure 3 For the present invention Figure 2 Exploded diagram.

[0013] Figure 4 It is a structural schematic diagram of the pin clamp of the present invention.

[0014] Figure 5 It is a structural schematic diagram of the spring pin puller of the present invention.

[0015] Figure 6For the present invention Figure 5 Exploded view Figure 1 .

[0016] Figure 7 For the present invention Figure 5 Exploded view Figure 2 .

[0017] In the figure: 1, main board 11, opening 12, threaded seat 13, first double-headed screw 14, second double-headed screw 15, magnetic block 2, bracket 21, top plate 22, stud 23, limit disc 24, through hole 25, rotator 3, pin clamp 31, pin clamp body 32, threaded portion 33, internal thread 34, curved plate 35, L rod 36, external threaded rod 37, clamping pin arm 38, rivet 4, drive assembly 41, non-adjustable buffer cylinder 42, slide seat 43, connecting rod 44, screw seat 4 5. Cylinder rod 5, single elbow pick-and-place clamp 51, mounting base 52, shaft 53, gear set 54, clamp arm 55, anti-slip pad 56, crank 57, U-shaped clamp 6, control box 7, side plate 8, spring pin puller 81, housing 101, slide hole 102, positioning seat 82, driver 201, snap ring 202, screw sleeve 83, limit ring 84, pulling claw 401, slide column 402, cross bar 403, slot 404, pulling hook 405, rotating pin 406, single-start screw. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings. Example 1

[0019] like Figure 1-7 As shown, a special multifunctional pin remover for replacing the spring pin of an insulator during live working comprises a main board 1 and a pin clamp 3. A bracket 2 is provided above the middle of the main board 1, and a pin clamp 3 is provided on the top of the bracket 2 for realizing the spring pin installation operation; drive components 4 are provided on the left and right sides of the upper surface of the main board 1, and single-joint elbow picking and placing clamps 5 are provided at the positions corresponding to the drive components 4 on the lower surface of the main board 1. The single-joint elbow picking and placing clamps 5 can be relatively engaged or separated by controlling the drive component 4 to engage and fix the single-joint elbow; a control box 6 is provided in front of the main board 1, and a side plate 7 is installed on one side end of the main board 1. A spring pin puller 8 is installed on the side plate 7 for realizing the spring pin removal operation.

[0020] The left and right sides of the main board 1 are provided with waist-shaped openings 11, and threaded seats 12 are provided on both sides of the openings 11. A group of first double-headed screws 13 arranged longitudinally are symmetrically provided on the upper surface of the main board 1, and a plurality of second double-headed screws 14 arranged in a rectangular shape are provided inside the first double-headed screws 13. The bottom surface of the main board 1 is provided with a magnetic block 15 connected to the bottom end of the second double-headed screw 14.

[0021] In this embodiment, the setting of the opening facilitates the non-adjustable buffer cylinder of the driving component to drive the single-joint elbow pick-and-place clamp through the cylinder rod; the setting of the magnetic block facilitates the cooperation with the single-joint elbow pick-and-place clamp to ensure stable, reliable and effective clamping and fixation of the single-joint elbow, thereby further improving the overall safety performance.

[0022] The bracket 2 includes a top plate 21, which is connected to the first double-headed screw 13 through multiple studs 22 in a one-to-one correspondence. A limiting disc 23 is provided on the top of the top plate 21, and a through hole 24 is opened inside the limiting disc 23. A rotator 25 is provided at the bottom of the top plate 21.

[0023] In this embodiment, the through hole of the limiting disc is tightly plugged into the pin clamp body of the pin clamp, and the rotator can drive the pin clamp body to rotate, cooperating with the action of the pin clamp to clamp and fix the spring pin.

[0024] The pin clamp 3 includes a pin clamp body 31 inserted into the through hole 24 and connected to the rotator 25, and a pin clamp head located at the top of the pin clamp body 31. A threaded portion 32 is provided on the top of the pin clamp body 31, and an internal thread 33 is provided inside the threaded portion 32.

[0025] The pin chuck includes an arc-shaped plate 34, and the front and rear sides of the arc-shaped plate 34 are connected to the limiting disc 23 through L rods 35. An external threaded rod 36 connected to the internal thread 33 is provided at the bottom of the arc-shaped plate 34. A group of clamping pin arms 37 are symmetrically provided on both sides of the arc-shaped plate 34, and the clamping pin arms 37 are movably connected to the arc-shaped plate 34 through rivets 38.

[0026] In this embodiment, the pin clamp body is threadedly connected to the external threaded rod, and the arc plate is connected to the limit disc through the L rod. When the rotator drives the pin clamp body to rotate, the threaded portion rises along the external threaded rod. When it rises to the inner side of the lower end of the clamping pin arm, as the threaded portion continues to rise, the threaded portion will lift the clamping pin arms at both ends to rotate around the rivet, thereby controlling the size of the clamping pin arm opening, so that the pin clamp can contract and clamp the spring pin through the clamping pin arm, and release the clamping pin arm after sending it into the elbow. The spring pin automatically pops open and is installed in place (in actual use, it can also be used to remove the spring pin). The pin clamp has the function of installing or removing the spring pin at multiple angles.

[0027] The present invention is a special multifunctional pin remover for replacing the spring pin of an insulator during live operation. After moving to the specified position, the single-joint elbow is clamped and fixed by the single-joint elbow pick-and-place clamp 5, and then the pin clamp 3 is controlled to safely and conveniently remove the spring pin; during installation, the spring pin can be clamped by the pin clamping arm 37 of the pin clamp 3, and after being sent into the elbow, the pin clamp 3 is released, and the spring pin automatically pops open and is installed in place; when the spring pin has entered the single-joint elbow and has not been installed in place, the spring pin can be installed in place using the pulling hook 404 of the spring pin puller 8; when the spring pin cannot be smoothly removed, the spring pin can be hooked by the pulling hook 404 of the spring pin puller 8 to hook the tail of the spring pin and remove the spring pin without destroying the spring pin; the present invention has the advantages of reasonable structure, easy operation and use, improved work efficiency, and strong practicality. Example 2

[0028] like Figure 1-7 As shown, a special multifunctional pin remover for replacing the spring pin of an insulator during live working comprises a main board 1 and a pin clamp 3. A bracket 2 is provided above the middle of the main board 1, and a pin clamp 3 is provided on the top of the bracket 2 for realizing the spring pin installation operation; drive components 4 are provided on the left and right sides of the upper surface of the main board 1, and single-joint elbow picking and placing clamps 5 are provided at the positions corresponding to the drive components 4 on the lower surface of the main board 1. The single-joint elbow picking and placing clamps 5 can be relatively engaged or separated by controlling the drive component 4 to engage and fix the single-joint elbow; a control box 6 is provided in front of the main board 1, and a side plate 7 is installed on one side end of the main board 1. A spring pin puller 8 is installed on the side plate 7 for realizing the spring pin removal operation.

[0029] The driving assembly 4 includes a non-adjustable buffer cylinder 41 located above the opening 11, and a group of slides 42 are symmetrically arranged on the outside of the non-adjustable buffer cylinder 41. The slides 42 are connected by connecting rods 43. Screw seats 44 are arranged on the outside of the slides 42, and the screw seats 44 are connected to the threaded seats 12. A cylinder rod 45 is arranged below the non-adjustable buffer cylinder 41 and passes through the opening 11.

[0030] In this embodiment, the driving assembly adopts a group of non-adjustable buffer cylinders as the power source to form a dual power group. Even if one of the non-adjustable buffer cylinders fails or cannot continue to work due to other reasons, the other non-adjustable buffer cylinder can drive the single-joint elbow pick-and-place clamp to achieve the corresponding clamping and fixing operation, which greatly improves the stability and reliability of the device of the present invention, ensures that the spring pin removal operation is carried out smoothly, improves work efficiency, and the overall operation is simple and accurate.

[0031] The single-joint elbow pick-and-place clamp 5 includes a set of mounting seats 51 connected to the lower end of the first double-headed screw 13, a set of shafts 52 are arranged between the mounting seats 51, and a set of shafts 52 are synchronized by a gear set 53. Clamp arms 54 are installed at both ends of the shafts 52.

[0032] The inner sides of the clamp arms 54 are provided with anti-slip pads 55 , and the clamp arms 54 at both ends of one shaft 52 are axially connected to cranks 56 , and the ends of the cranks 56 are installed with U-shaped clamps 57 , and the U-shaped clamps 57 are respectively connected to the corresponding cylinder rods 45 .

[0033] In this embodiment, the non-adjustable buffer cylinder realizes power transmission through the cylinder rod, U-shaped clamp and crank, driving the shaft connected to the crank to rotate (at the same time, the other end of the shaft drives the non-adjustable buffer cylinder to move up and down along the slide through the corresponding crank, U-shaped clamp and cylinder rod), driving the corresponding clamp arm to rotate. When the shaft connected to the crank rotates, power is transmitted between the shafts through the gear set, thereby realizing synchronous action between a group of shafts, and then realizing the corresponding clamp arms moving closer to or away from each other, so that the clamp arms can be relatively engaged or separated, which is used to engage and fix the single-joint elbow.

[0034] The spring pin puller 8 includes a shell 81, a limit ring 83 is detachably installed on one side of the shell 81, and a positioning seat 102 is provided on the other side. A driver 82 is installed inside the positioning seat 102, and the driver 82 is dynamically connected to a pulling claw 84. The pulling claw 84 extends into the interior of the shell 81 and extends out of the limit ring 83; sliding holes 101 are provided on the upper and lower sides of the shell 81.

[0035] The driver 82 is mounted on the inner side of the positioning seat 102 by means of a snap-fitting snap ring 201, and a screw sleeve 202 is provided on the inner side of the snap ring 201; the pulling claw 84 includes a sliding column 401 located inside the outer shell 81, and the sliding column 401 is connected to the driver 82 through a single-head screw 406, and the sliding column 401 is movably connected to the sliding hole 101 through a cross bar 402, and a plurality of slots 403 are evenly spaced on the inner circumference of the sliding column 401, and a pulling hook 404 is installed inside each of the slots 403, and the pulling hook 404 is movably connected to the slot 403 through a rotating pin 405.

[0036] In this embodiment, the driver drives the single-head screw to move relative to the screw sleeve, and the other end of the single-head screw drives the cross bar of the sliding column to move along the sliding hole. When the sliding column moves, one end of the pulling hook is located in the slot and the other end extends out of the shell and the limit ring. The end of the pulling hook located in the slot is under the limiting action of the slot and the inner wall of the shell, and the end extending out of the shell and the limit ring is under the limiting action of the shell and the limit ring. The pulling hook is movably connected to the slot through a rotating pin. Therefore, when the sliding column moves, multiple pulling hooks will approach each other to close or move away from each other to open, and the pulling hooks have a certain angle. After the hook end of the pulling hook is hooked on the tail of the spring pin, the multiple pulling hooks are driven away from each other to open, so that they can be stretched inside the tail of the spring pin, stably and reliably tightening the tail of the spring pin, and then the spring pin can be taken out without destroying the deformed spring pin.

[0037] The present invention is a special multifunctional pin remover for replacing the spring pin of an insulator during live operation. After moving to the specified position, the single-joint elbow is clamped and fixed by the single-joint elbow pick-and-place clamp 5, and then the pin clamp 3 is controlled to safely and conveniently remove the spring pin; during installation, the spring pin can be clamped by the pin clamping arm 37 of the pin clamp 3, and after being sent into the elbow, the pin clamp 3 is released, and the spring pin automatically pops open and is installed in place without causing permanent deformation of the spring pin, thereby extending the service life of the spring pin and reducing the cost of materials; when the spring pin has entered the single-joint elbow and has not been installed in place, the pulling hook 404 of the spring pin puller 8 can be used to install the spring pin in place; when the spring pin cannot be smoothly removed, the pulling hook 404 of the spring pin puller 8 can be used to hook the tail of the spring pin to remove the spring pin without destroying the spring pin; the present invention has the advantages of reasonable structure, easy operation and use, improved work efficiency, and strong practicality.

Claims

1. A special multifunctional pin remover for replacing insulator spring pins during live working, comprising a main board and a pin clamp, characterized by: A bracket is provided above the middle part of the main board, and a pin clamp is provided on the top of the bracket for realizing the spring pin installation operation; drive components are provided on the left and right sides of the upper surface of the main board, and single-joint elbow pick-and-place clamps are provided at the corresponding drive components on the lower surface of the main board. The single-joint elbow pick-and-place clamps can be relatively engaged or separated by controlling the drive component to engage and fix the single-joint elbow; a control box is provided in front of the main board, and a side panel is installed on one side end of the main board, and a spring pin puller is installed on the side panel for realizing the spring pin removal operation.

2. The multifunctional pin remover for replacing insulator spring pins during live working according to claim 1, characterized in that: There are waist-shaped openings on both sides of the main board, and threaded seats are provided on both sides of the openings. A group of first double-headed screws arranged longitudinally are symmetrically provided on the upper surface of the main board, and a plurality of second double-headed screws arranged in a rectangular shape are provided on the inner side of the first double-headed screws. A magnetic block connected to the bottom end of the second double-headed screw is provided on the bottom surface of the main board.

3. The multifunctional pin remover for replacing insulator spring pins during live working as claimed in claim 2, characterized in that: The bracket includes a top plate, which is connected to the first double-headed screw rod through a plurality of studs in a one-to-one correspondence. A limiting disc is provided on the upper part of the top plate, a through hole is opened inside the limiting disc, and a rotator is provided at the bottom of the top plate.

4. The multifunctional pin remover for replacing insulator spring pins during live working as claimed in claim 3, characterized in that: The pin clamp includes a pin clamp body inserted into a through hole and connected to the rotator, and a pin clamp head located at the top of the pin clamp body. The top of the pin clamp body is provided with a threaded portion, and the inside of the threaded portion is provided with an internal thread.

5. The multifunctional pin remover for replacing insulator spring pins during live working as claimed in claim 4, characterized in that: The pin chuck includes an arc-shaped plate, the front and rear sides of which are connected to the limiting disc through L rods, an external threaded rod connected to the internal thread is provided at the bottom of the arc-shaped plate, and a group of clamping pin arms are symmetrically provided on both sides of the arc-shaped plate, and the clamping pin arms are movably connected to the arc-shaped plate through rivets.

6. The multifunctional pin remover for replacing insulator spring pins during live working as claimed in claim 3, characterized in that: The driving assembly includes a non-adjustable buffer cylinder located above the opening, a group of slides are symmetrically arranged on the outside of the non-adjustable buffer cylinder, the slides are connected by connecting rods, screw seats are arranged on the outside of the slides, the screw seats are connected to the threaded seats, and a cylinder rod is arranged below the non-adjustable buffer cylinder and passes through the opening.

7. The multifunctional pin remover for replacing insulator spring pins during live working according to claim 6, characterized in that: The single-joint elbow pick-and-place clamp includes a group of mounting seats connected to the lower end of the first double-headed screw, a group of shafts are arranged between the mounting seats, and the group of shafts achieves synchronous movement through a gear set, and clamp arms are installed at both ends of the shafts.

8. The multifunctional pin remover for replacing insulator spring pins during live working according to claim 7, characterized in that: Anti-slip pads are provided on the inner sides of the clamp arms. The clamp arms at both ends of one shaft are axially connected to cranks, and U-shaped clips are installed at the ends of the cranks. The U-shaped clips are respectively connected to corresponding cylinder rods.

9. The multifunctional pin remover for replacing insulator spring pins during live working according to claim 1, characterized in that: The spring pin puller includes a shell, a limit ring is detachably installed on one side of the shell, and a positioning seat is provided on the other side. A driver is installed inside the positioning seat, and the driver is dynamically connected to a pulling claw. The pulling claw extends into the interior of the shell and extends out of the limit ring; sliding holes are provided on the upper and lower sides of the shell.

10. The multifunctional pin remover for replacing insulator spring pins during live working according to claim 9, characterized in that: The driver is mounted on the inner side of the positioning seat by a snap-fit connection through a snap ring, and a threaded sleeve is provided on the inner side of the snap ring; the pulling claw includes a sliding column located inside the outer shell, the sliding column is connected to the driver through a single-head screw, the sliding column is movably connected to the sliding hole through a cross bar, and a plurality of slots are evenly spaced around the inner circumference of the sliding column, and a pulling hook is installed inside each of the slots, and the pulling hook is movably connected to the slot through a rotating pin.

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