CN218855744U

CN218855744U - Portable insulating clamp for quick disconnection of screen top low-voltage bus

Info

Publication number: CN218855744U
Application number: CN202222936322.XU
Authority: CN
Inventors: 潘永康; 何拓; 桂续桐; 李智林; 肖松; 付文诚; 何季陶; 冯树源; 秦超; 闫咏春; 周德位; 陈燕俊; 李石龙; 陈强超; 施洪兵; 张强; 马存杰; 包崇兆; 邱凌霄; 杨沛川
Original assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Current assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-14
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of insulating pliers, in particular to a portable insulating pliers for quickly breaking a screen top low-voltage bus, which comprises a shell, wherein a baffle is arranged on the left side of a hydraulic cylinder base, a piston rod passes through the hydraulic cylinder base, a movable pressing block is arranged at the left end of a buckle spring, fixed pressing blocks are symmetrically arranged on the upper surface of an insulating pliers support close to the left end, a stationary blade is arranged on the right end surface of each fixed pressing block, the movable blade is also arranged in the middle of the left end surface of the baffle, a copper bar is arranged between each fixed pressing block and each movable pressing block, a handle is arranged below the shell, and a large-capacity battery is also arranged at the bottom of the handle; this portable insulation pincers of quick broken string of screen top low voltage generating line through setting up the cooperation of closely pegging graft of large capacity battery and shell bottom handle, is convenient for wholly nimble carry, need not external power source line, helps carrying and carries out high altitude construction, installs the pneumatic cylinder and cooperates the piston rod, installs the knife section on the baffle, the level pressure piece of insulating pincers support end-to-end installation to the quiet blade of cooperation realizes that the mode of hydraulic pressure advance and retreat promotes the blade and steadily advance and cut off the bar copper.

Description

Portable insulating clamp for quick disconnection of screen top low-voltage bus

Technical Field

The utility model relates to an insulating pincers technical field specifically is portable insulating pincers of quick broken string of screen top low pressure generating line.

Background

The insulating clamp is a tool for installing and disassembling a high-voltage fuse or performing other similar work, and is mainly used for power systems of 35kV and below;

the utility model with publication number CN216146020U discloses a 10KV high-voltage portable insulation clamp, which aims to solve the defects of counter-intuition in operation and difficulty in carrying of the existing insulation clamp; the utility model comprises an operating handle, an insulating rod body and a clamping jaw, wherein a clamping jaw head is sleeved at one end of the insulating rod, which is far away from the operating handle, the insulating rod is connected with a thrust rod, the clamping jaw is respectively hinged with the thrust rod and the clamping jaw head, the operating handle drives the thrust rod to axially move relative to the insulating rod body, and the movement of the thrust rod drives the clamping jaw to open and close;

according to the technical scheme, the clamp is arranged, the clamping action and the action of the hand are synchronous, the human engineering is better met, the clamping force has clear feedback on the operation of the person, the gripping force can be conveniently adjusted by the person, and the clamped object is prevented from being damaged; however, the insulating pliers do not have portable batteries, the external power line is inconvenient for high-altitude operation, the blade cannot be pushed to stably advance and cut off the copper rod in a hydraulic advancing and retreating mode, and the operation of controlling the insulating pliers cannot be carried out in a time-saving and labor-saving mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screen top low voltage bus-bar is portable insulating pincers of quick broken string to propose insulating pincers and do not have portable battery in solving above-mentioned background art, the inconvenient high altitude construction of external power cord can not adopt the mode of hydraulic pressure advance and retreat to promote that the blade steadily gos forward and cut off the bar copper, can't carry out insulating pincers with labour saving and time saving and control the problem of operation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the portable insulating clamp comprises a shell, wherein an insulating clamp support is arranged at the left end of the shell, a hydraulic cylinder is arranged on the upper surface of the insulating clamp support close to the right end of the insulating clamp support, a hydraulic cylinder base is arranged at the left end of the hydraulic cylinder, a piston rod is arranged at the left end of the hydraulic cylinder base, a baffle is arranged at the left side of the hydraulic cylinder base, the piston rod penetrates through the hydraulic cylinder base, buckle springs are symmetrically arranged on the left end surfaces of the baffle, dynamic pressure blocks are arranged at the left ends of the buckle springs, static pressure blocks are symmetrically arranged on the upper surface of the insulating clamp support close to the left end, static blades are arranged on the right end surface of the static pressure blocks, a movable blade is further arranged in the middle of the left end surface of the baffle, a copper rod is arranged between the static pressure blocks and the dynamic pressure blocks, a handle is arranged below the shell, a switch is arranged on the handle, and a high-capacity battery is further arranged at the bottom of the handle;

inside being close to the top department of shell is equipped with oil groove, piston and oil tank from a left side to the right side in proper order, the oil groove is connected through the oil feed switch with the piston, inside being close to bottom department of shell from left to right is equipped with eccentric wheel, speed reducer and motor in proper order, still inlay on the terminal surface before the shell and be equipped with the oil return switch pull ring, oil return switch pull ring top articulates the cooperation with the oil feed switch.

Preferably, the shell is welded and fixed with the handle, the high-capacity battery is matched with the bottom of the handle in an inserting mode, a control circuit is further arranged at the position, close to the left end, of the inner wall of the shell, and the high-capacity battery is electrically connected with the control circuit inside the shell through a wire.

Preferably, the switch is fixedly connected with the handle through a screw, and the switch is electrically connected with the control circuit through a lead.

Preferably, the right end of the hydraulic cylinder is fixedly connected with the shell through screws, and the base of the hydraulic cylinder is fixedly connected with the hydraulic cylinder through screws.

Preferably, the baffle and the piston rod are of an integrally formed structure, the right end of the piston rod is fixedly connected with the telescopic arm of the hydraulic cylinder through screws, the movable blade is fixedly connected with the baffle through screws, the static blade is fixedly connected with the constant pressure block through screws, one end of the buckle spring is fixedly bonded with the baffle, and the other end of the buckle spring is fixedly bonded with the dynamic pressure block

Preferably, the right end of the insulating clamp support is fixedly bonded with the hydraulic cylinder base, the upward protruding part at the front end of the insulating clamp support is wrapped by the insulating layer and the fixed pressing block.

Preferably, the motor rotates and drives the speed reducer to operate, the motor is connected with the speed reducer through a coupling, the speed reducer rotates to enable the eccentric wheel to move eccentrically, when the eccentric wheel rotates to the upper side, hydraulic oil enters an oil groove along an oil tank through a piston of the hydraulic mechanism, the eccentric wheel pushes and enables an oil inlet switch to be tightened, pressure generated inside the piston enables the hydraulic oil to flow into the hydraulic cylinder, a piston rod is pushed to move forwards, then the movable blade on the top of the piston rod moves forwards, the dynamic pressure block presses close to the fixed pressure block to lock the copper rod, the piston rod continues to drive the movable blade and the stationary blade to be closed to cut off the copper rod, and the stationary blade and the movable blade are staggered in a cross mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the cooperation of closely pegging graft of large capacity battery and shell bottom handle, be convenient for wholly carry in a flexible way, need not external power cord, and the removable charging of large capacity battery, help carrying and carry out high altitude construction, installation pneumatic cylinder and cooperation piston rod, install the knife section on the baffle, the constant pressure piece of insulating pincers support end-to-end installation to the mode that cooperation static blade realized the hydraulic pressure advance and retreat promotes that the blade steadily gos forward and cut off the bar copper, hydraulic propulsion is not only laborsaving but also steady, can not bump because of too having an effect of force causing the mistake.

2. The utility model discloses a cover is equipped with the insulating layer parcel on insulating pincers support outer wall, reduces electrically conductive electric shock influence that causes, ensures between the generating line in the work, the generating line does not bump because of the pincers mouth mistake and causes short circuit ground connection to the screen top shell within a definite time, switch installation, and the use is opened or closed in the manual pressing of convenient to use person, and control circuit connects motor and speed reducer, and the hydraulic oil in the control tank of being convenient for enters into the oil groove, and then realizes that the pneumatic cylinder drives piston rod horizontal migration.

Drawings

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

fig. 2 is a schematic view of the overall cross-sectional structure of the present invention.

The various reference numbers in the figures mean:

1. a snap spring; 2. a baffle plate; 3. a hydraulic cylinder base; 4. a hydraulic cylinder; 5. a stationary blade; 6. a copper bar; 7. a movable blade; 8. an oil return switch pull ring; 9. a switch; 10. a large-capacity battery; 11. a movable pressing block; 12. a piston rod; 13. an oil sump; 14. a piston; 15. an oil tank; 16. pressing a block; 17. an insulating tong support; 18. a speed reducer; 19. a motor; 20. an oil inlet switch; 21. a control circuit; 22. an eccentric wheel; 23. a housing.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution:

the portable insulating clamp for quickly breaking the low-voltage bus on the top of the screen comprises a shell 23, wherein an insulating clamp support 17 is arranged at the left end of the shell 23, a hydraulic cylinder 4 is arranged on the upper surface of the insulating clamp support 17 close to the right end, a hydraulic cylinder base 3 is arranged at the left end of the hydraulic cylinder 4, a piston rod 12 is arranged at the left end of the hydraulic cylinder base 3, a baffle 2 is arranged at the left side of the hydraulic cylinder base 3, the piston rod 12 penetrates through the hydraulic cylinder base 3, buckle springs 1 are symmetrically arranged on the left end surface of the baffle 2, fixed pressing blocks 16 are symmetrically arranged at the left ends of the buckle springs 1 and respectively provided with a movable pressing block 11, a fixed pressing block 16 is symmetrically arranged on the upper surface of the insulating clamp support 17 close to the left end, a stationary blade 5 is arranged on the right end surface of the fixed pressing block 16, a movable blade 7 is further arranged in the middle of the left end surface of the baffle 2, a copper bar 6 is arranged between the fixed pressing block 11 and a handle is arranged below the shell 23, a switch 9 is arranged on the handle, and a high-capacity battery 10 is further arranged at the bottom of the handle;

an oil groove 13, a piston 14 and an oil tank 15 are sequentially arranged in the shell 23 close to the top from left to right, the oil groove 13 is connected with the piston 14 through an oil inlet switch 20, an eccentric wheel 22, a speed reducer 18 and a motor 19 are sequentially arranged in the shell 23 close to the bottom from left to right, an oil return switch pull ring 8 is further embedded in the front end face of the shell 23, and the top end of the oil return switch pull ring 8 is in hanging connection with the oil inlet switch 20.

In this embodiment, shell 23 and handle welded fastening, the cooperation of pegging graft bottom large capacity battery 10 and handle, shell 23 inner wall are close to left end department and still are equipped with control circuit 21, and large capacity battery 10 passes through wire and the inside control circuit 21 electric connection of shell 23, and large capacity battery 10 makes things convenient for manual change, conveniently carries and carries out high altitude construction, and control circuit 21 installs the whole device of manual control of being convenient for and starts or close the use.

Further, the switch 9 is fixedly connected with the handle through a screw, the switch 9 is electrically connected with the control circuit 21 through a wire, and the switch 9 is installed to facilitate a user to manually press the whole device to be turned on or turned off.

Specifically, the right end of the hydraulic cylinder 4 is fixedly connected with the shell 23 through screws, and the hydraulic cylinder base 3 is fixedly connected with the hydraulic cylinder 4 through screws, so that the stability of combined installation is improved.

It should be noted that the baffle 2 and the piston rod 12 are of an integrally formed structure, the right end of the piston rod 12 is fixedly connected with the telescopic arm of the hydraulic cylinder 4 through screws, the movable blade 7 is fixedly connected with the baffle 2 through screws, the stationary blade 5 is fixedly connected with the stationary blade 16 through screws, one end of the buckle spring 1 is fixedly bonded with the baffle 2, the other end of the buckle spring is fixedly bonded with the dynamic pressure block 11, the movable blade 7 and the baffle 2 horizontally move under the horizontal movement of the piston rod 12, and the movable blade is matched with the stationary blade 16 and the stationary blade 5 to realize the rapid cutting of the copper bar 6.

Further, insulating pincers support 17 right-hand member and hydraulic cylinder base 3 bonding are fixed, and insulating pincers support 17 front end is upwards for protruding department screw and decide briquetting 16, and insulating pincers support 17 adopts the insulating layer parcel, and the insulating layer parcel increases holistic insulating nature, guarantees between the work bus-bar, the bus-bar does not bump because of the tong kou mistake and cause short circuit ground to the screen top shell 23 within a definite time.

It is worth supplementing that the motor 19 rotates to drive the speed reducer 18 to operate, the motor 19 and the speed reducer 18 are connected through a coupler, the speed reducer 18 rotates to enable the eccentric wheel 22 to move eccentrically, when the eccentric wheel 22 rotates to a position above, the piston 14 of the hydraulic mechanism enables hydraulic oil to enter the oil tank 13 along the oil tank 15, the eccentric wheel 22 pushes the oil inlet switch 20 to be tightened, pressure generated inside the piston 14 enables the hydraulic oil to flow into the hydraulic cylinder 4 to push the piston rod 12 to move forwards, then the movable blade 7 on the top of the piston rod 12 moves forwards, the dynamic pressure block 11 presses close to the fixed pressure block 16 to lock the copper bar 6, the piston rod 12 continues to drive the movable blade 7 and the fixed blade 5 to close to cut off the copper bar 6, the fixed blade 5 and the movable blade 7 are staggered in a crossed mode, the fixed blade 5 and the movable blade 7 are matched with each other, the blades cannot be collided and damaged due to the failure of the equipment, metal fragments hurt people, the equipment is matched with the control circuit 21, the equipment has a push rod stroke automatic stop function, and automatically when the equipment reaches the maximum stroke; after the work is finished, the motor 19 stops running when the switch 9 is closed, the oil return switch pull ring 8 is pulled up manually, hydraulic oil returns to the oil tank 15 from the oil groove 13 and can reset, the blade is pushed to stably advance in a hydraulic advancing and retreating mode to cut off the copper rod 6, hydraulic propulsion is labor-saving and stable, and mistaken collision caused by over force cannot occur.

Finally, it should be illustrated that, the utility model discloses pneumatic cylinder 4, switch 9, large capacity battery 10, speed reducer 18, motor 19, parts such as control circuit 21 are the parts that general standard spare or technical staff in the field know, its structure and principle all be that this technical staff all can learn or learn through conventional experimental method through the technical manual, in the idle department of this device, with all electrical parts in the aforesaid, its controller and the power that indicates power component, electrical part and adaptation are connected through the wire, concrete connection means should refer to the utility model provides a theory of operation, accomplish electric connection according to the work order between each electrical part, its detailed connection means is the well-known technique in the field successively.

When the portable insulating clamp for quick disconnection of the screen top low-voltage bus is used, a user manually installs the speed reducer 18 and the motor 19 in the shell 23, the oil tank 15 is fixed inside the shell 23, then the piston 14 corresponds to the oil groove 13, the control circuit 21 is installed inside the shell 23, the oil inlet switch 20 corresponds to the oil groove 13 and is installed in a combined mode, a handle with the large-capacity battery 10 is manually combined with the shell 23, the switch 9 is fixed on the handle, the switch 9 and the large-capacity battery 10 are electrically connected with the control circuit 21 through wires, the insulating clamp support 17 is fixedly connected with the movable pressing block 11 and the hydraulic cylinder base 3, the hydraulic cylinder 4 is installed on the hydraulic cylinder base 3, the telescopic arm of the hydraulic cylinder 4 penetrates through the hydraulic cylinder base 3 and is connected with the piston rod 12, the switch 9 is manually controlled to be started, under the matching of the speed reducer 18 and the motor 19, the cutting operation of the static blade 5 and the movable blade 7 is realized, the closing of the oil return switch pull ring 8 prevents backflow of pressure oil, the cutting operation is influenced, the integral combination and installation is convenient, and the high-altitude high-capacity battery 10 is convenient to replace, and is beneficial to carrying and operation.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Portable insulation clamp of quick broken string of screen top low pressure generating line, including shell (23), its characterized in that: an insulating clamp support (17) is arranged at the left end of the shell (23), a hydraulic cylinder (4) is arranged at the position, close to the right end, of the upper surface of the insulating clamp support (17), a hydraulic cylinder base (3) is arranged at the left end of the hydraulic cylinder (4), a piston rod (12) is arranged at the left end of the hydraulic cylinder base (3), a baffle (2) is arranged at the left side of the hydraulic cylinder base (3), the piston rod (12) penetrates through the hydraulic cylinder base (3), buckle springs (1) are symmetrically arranged on the left end face of the baffle (2), movable pressing blocks (11) are arranged at the left ends of the buckle springs (1), fixed pressing blocks (16) are symmetrically arranged at the position, close to the left end, of the upper surface of the insulating clamp support (17), stationary blades (5) are arranged on the right end face of the fixed pressing blocks (16), movable blades (7) are further arranged in the middle of the left end face of the baffle (2), copper rods (6) are arranged between the fixed pressing blocks (16) and a handle is arranged below the shell (23), a switch (9) is arranged on the handle, and a high-capacity battery (10) is further arranged at the bottom of the handle;

the utility model discloses a motor oil tank, including shell (23), inside be close to top department and be equipped with oil groove (13), piston (14) and oil tank (15) from a left side to the right side in proper order, oil groove (13) are connected through oil feed switch (20) with piston (14), shell (23) are inside to be close to bottom department from left to right and be equipped with eccentric wheel (22), speed reducer (18) and motor (19) in proper order, still inlay on the terminal surface before shell (23) and be equipped with oil return switch pull ring (8), oil return switch pull ring (8) top articulates the cooperation with oil feed switch (20).

2. The portable insulation clamp for quick disconnection of the screen top low-voltage bus according to claim 1, characterized in that: the handle is characterized in that the shell (23) is welded and fixed with the handle, the large-capacity battery (10) is matched with the bottom of the handle in an inserting mode, a control circuit (21) is further arranged at the position, close to the left end, of the inner wall of the shell (23), and the large-capacity battery (10) is electrically connected with the control circuit (21) inside the shell (23) through a wire.

3. The portable insulation clamp for quickly disconnecting the screen top low-voltage bus according to claim 2, characterized in that: the switch (9) is fixedly connected with the handle through a screw, and the switch (9) is electrically connected with the control circuit (21) through a lead.

4. The portable insulation clamp for quick disconnection of the screen top low-voltage bus according to claim 1, characterized in that: the right end of the hydraulic cylinder (4) is fixedly connected with the shell (23) through screws, and the hydraulic cylinder base (3) is fixedly connected with the hydraulic cylinder (4) through screws.

5. The portable insulation clamp for quickly disconnecting the screen top low-voltage bus according to claim 1, characterized in that: baffle (2) and piston rod (12) are the integrated into one piece structure, the flexible arm of piston rod (12) right-hand member and pneumatic cylinder (4) passes through screw fixed connection, moving blade (7) pass through screw fixed connection with baffle (2), quiet blade (5) pass through screw fixed connection with level pressure piece (16), buckle spring (1) one end is fixed with baffle (2) bonding, and the other end all bonds with dynamic pressure piece (11) fixedly.

6. The portable insulation clamp for quickly disconnecting the screen top low-voltage bus according to claim 1, characterized in that: the right end of the insulating clamp support (17) is fixedly bonded with the hydraulic cylinder base (3), the upward protruding part at the front end of the insulating clamp support (17) is wrapped by an insulating layer, and the fixed pressing block (16) is screwed with the upward protruding part at the front end of the insulating clamp support (17).

7. The portable insulation clamp for quickly disconnecting the screen top low-voltage bus according to claim 1, characterized in that: the motor (19) rotates to drive the speed reducer (18) to operate, the motor (19) is connected with the speed reducer (18) through a coupler, the speed reducer (18) rotates to enable the eccentric wheel (22) to move eccentrically, when the eccentric wheel (22) rotates to the upper side, the piston (14) of the hydraulic mechanism enables hydraulic oil to enter the oil groove (13) along the oil tank (15), the eccentric wheel (22) pushes the oil inlet switch (20) to tighten, pressure generated inside the piston (14) enables the hydraulic oil to flow into the hydraulic cylinder (4) to push the piston rod (12) to move forwards, then the movable blade (7) on the top of the piston rod (12) moves forwards, the dynamic pressure block (11) is close to the fixed pressure block (16) to lock the copper rod (6), the piston rod (12) continues to drive the movable blade (7) and the fixed blade (5) to close to cut off the copper rod (6), and the fixed blade (5) and the movable blade (7) are staggered in a crossed mode.