CN213838470U

CN213838470U - Electric power overhauls uses insulating extension ladder

Info

Publication number: CN213838470U
Application number: CN202022554998.3U
Authority: CN
Inventors: 张栋义
Original assignee: Hebei Zhengxin Electric Technology Co ltd
Current assignee: Hebei Zhengxin Electric Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-30
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses an electric power overhauls with insulating extension ladder, including vertical pole and horizontal pole, adjacent through joint structural connection between the vertical pole, the joint structure includes a plurality of along vertical pole circumference evenly distributed's joint unit. The clamping unit comprises a clamping block which has supporting and limiting effects on the vertical rod above, a mounting hole through which the clamping block penetrates is formed in the side wall of the vertical rod, a handle is arranged at one end, facing the outer surface of the vertical rod, of the clamping block, one end of the handle is rotatably connected with the clamping block, the middle of the handle is rotatably connected with the side wall of the vertical rod, and a first spring is arranged between one end, close to the clamping block, of the handle and the side wall of the vertical rod. The two ends of the cross rod are connected with the connecting seat arranged at the top of the longitudinal rod through the connecting piece. The utility model adopts the above structure electric power overhauls uses insulating extension ladder, can solve current insulating extension ladder occupation space big, inconvenient carrying, pull inconvenient problem of operation between the vertical pole.

Description

Electric power overhauls uses insulating extension ladder

Technical Field

The utility model belongs to the technical field of insulating ladder structure technique and specifically relates to an electric power overhauls uses insulating extension ladder.

Background

The insulating ladder is a common tool in electric power engineering and is manufactured by high-temperature polymerization pultrusion. The insulating ladder can adopt epoxy resin combined with a pin rod technology, or the surface of an aluminum alloy material is subjected to anodic oxidation treatment, or insulating paint is sprayed on the surface, and the like, so that the insulating effect is achieved. The telescopic insulating ladder is convenient to carry due to the telescopic characteristic, and is widely used in power maintenance and installation. Current extension ladder is including the vertical pole and the horizontal pole that can stretch out and draw back, and the vertical pole that is located the below passes through joint structure joint on the lateral wall of top vertical pole, and the mode pull operation of this kind of joint is inconvenient. In addition, the longitudinal rods are fixedly connected with the transverse rods, so that the occupied space is large and the carrying is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric power overhauls uses insulating extension ladder solves current insulating extension ladder occupation space big, inconvenient carrying, pull inconvenient problem of operation between the vertical pole.

In order to achieve the purpose, the utility model provides an electric power overhauls uses insulating extension ladder, including vertical pole and horizontal pole, two vertical poles pass through the horizontal pole and connect, and the vertical pole gliding of top is located the inside of vertical pole below, and adjacent connect through the joint structure between the vertical pole, the joint structure includes a plurality of joint unit along vertical pole circumference evenly distributed, the joint unit includes the fixture block that has support and limiting displacement to the vertical pole of top, is provided with the mounting hole that makes the fixture block pass on the lateral wall of vertical pole, and the fixture block is provided with the handle towards the one end of vertical pole surface, and the one end of handle is connected with the fixture block rotation, and the middle part of handle is connected with the vertical pole lateral wall rotation, and the handle is provided with spring one near the one end of fixture block and between the lateral wall of vertical pole;

the two ends of the cross rod are connected with the connecting seat arranged at the top of the longitudinal rod through the connecting piece.

Preferably, a first sliding groove is formed in the inner surface of the side wall of the longitudinal rod, a first sliding block matched with the first sliding groove is arranged at the bottom of the longitudinal rod above the first sliding groove, the first sliding block is located inside the first sliding groove and is in sliding connection with the first sliding groove, the clamping block is located inside the first sliding groove, and the distance between the clamping block and the top of the first sliding groove is equal to the height of the first sliding block.

Preferably, a downward inclined plane is arranged on the lower surface of one end, far away from the handle, of the fixture block.

Preferably, the connecting piece includes sleeve and bayonet lock, and telescopic one end is fixed on the mount pad, and the mount pad is located the lateral wall of connecting seat, and the telescopic other end is provided with the through-hole that makes the bayonet lock pass, bayonet lock and sleeve sliding connection, all are provided with the through-hole that makes the bayonet lock pass on the connector that mount pad and horizontal pole end set up, and the bayonet lock is located one section of sleeve and is provided with the mounting panel, is connected through spring two between mounting panel and the mount pad.

Preferably, a second sliding groove is formed in the inner surface of the mounting seat along the length direction of the mounting seat, a second sliding block matched with the second sliding groove is arranged on the connecting head, and the second sliding block is located inside the second sliding groove and is in sliding connection with the second sliding groove.

Preferably, the cross rod is sleeved with a locking nut, the locking nut is connected with the cross rod in a sliding mode, a limiting ring with a limiting effect on the locking nut is arranged on the connecting head, and the mounting seat is in threaded connection with the locking nut.

Preferably, the bottom end of the vertical rod at the lowest end is provided with an insulated anti-slip seat, and the bottom end of the anti-slip seat is of a conical structure.

An electric power detects uses insulating extension ladder, the end and the handle of fixture block rotate to be connected, the handle is circumference array distribution on the vertical pole, be convenient for operate simultaneously to the handle on the same vertical pole to can be more convenient with the inside of top vertical pole income below vertical pole. The transverse rod and the longitudinal rod are connected through the connecting piece, the mounting and dismounting are convenient, the transverse rod and the longitudinal rod can be transported after being split, and the carrying and the transportation are convenient.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an embodiment of an insulated extension ladder for electric power overhaul;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is the utility model relates to a connecting piece structure schematic diagram of electric power overhauls with insulating extension ladder embodiment.

Reference numerals

1. A longitudinal bar; 2. a cross bar; 3. a connecting seat; 4. an anti-slip seat; 5. a sleeve; 6. locking the nut; 7. a handle; 8. a mounting seat; 9. a clamping block; 10. a first spring; 11. mounting holes; 12. a first sliding chute; 13. a first sliding block; 14. a bayonet lock; 15. a second spring; 16. mounting a plate; 17. a limiting ring; 18. a second chute; 19. a second sliding block; 20. a connecting head.

Detailed Description

Examples

Fig. 1 is a schematic structural view of an embodiment of an insulating extension ladder for electric power overhaul, and fig. 2 is a partial enlarged view of a part a in fig. 1. As shown in the figure, an electric power overhauls uses insulating extension ladder, includes vertical pole 1 and horizontal pole 2, and vertical pole 1 and horizontal pole 2 all select current insulation technology to do insulation processing for use. The two vertical rods 1 are connected through the cross rod 2, and the vertical rod 1 above is located inside the vertical rod 1 below in a sliding mode. Adjacent vertical pole 1 is connected through the joint structure, and the joint structure includes a plurality of along the 1 circumference evenly distributed's of vertical pole joint unit. The clamping unit comprises a clamping block 9 which has supporting and limiting functions on the upper vertical rod 1, a mounting hole 11 through which the clamping block 9 penetrates is formed in the side wall of the lower vertical rod 1, the aperture of the mounting hole 11 is larger than the size of the clamping block 9, so that the clamping block 9 can slide in the mounting hole 11, and the movable allowance of the clamping block 9 is reserved. One end of the clamping block 9, which faces the outer surface of the vertical rod 1, is provided with a handle 7, and one end of the handle 7 is rotatably connected with the clamping block 9 through a pin shaft. The middle part of the handle 7 is rotatably connected with the side wall of the vertical rod 1 through a pin shaft. A first spring 10 is arranged between one end of the handle 7 close to the clamping block 9 and the side wall of the longitudinal rod 1, and two ends of the first spring 10 are fixedly connected with the handle 7 and the side wall of the longitudinal rod 1 respectively. The first spring 10 is located between the joint of the handle 7 and the longitudinal rod 1 and the clamping block 9, and the first spring 10 has pulling force on one end, close to the clamping block 9, of the handle 7, so that the clamping block 9 is clamped in the mounting hole 11. The setting mode of handle 7 is convenient for operate handle 7 on same vertical pole 1 simultaneously to can be more convenient with the inside of top vertical pole 1 income below vertical pole 1.

The inner surface of the side wall of the longitudinal rod 1 is provided with a first sliding groove 12, and the bottom of the longitudinal rod 1 above the first sliding groove is provided with a first sliding block 13 matched with the first sliding groove 12. The first sliding block 13 is positioned inside the first sliding groove 12 and is in sliding connection with the first sliding groove 12. The fixture block 9 is located in the first sliding groove 12, the distance between the fixture block 9 and the top of the first sliding groove 12 is equal to or slightly larger than the height of the first sliding block 13, so that the first sliding groove 12 has a limiting effect on the upper longitudinal rod 1, the upper longitudinal rod 1 is prevented from sliding out of the lower longitudinal rod 1, the upper longitudinal rod 1 can be limited between the first sliding groove 12 and the fixture block 9, and the connection stability of the adjacent longitudinal rods 1 is improved.

The lower surface of the end, far away from the handle 7, of the clamping block 9 is provided with a downward inclined surface, so that the sliding block 13 can conveniently slide on the clamping block 9, and the clamping of the clamping block 9 on the longitudinal rod 1 is realized.

Fig. 3 is the utility model relates to a connecting piece structure schematic diagram of electric power overhauls with insulating extension ladder embodiment. As shown in the figure, the two ends of the cross rod 2 are connected with the connecting seat 3 arranged at the top of the longitudinal rod 1 through the connecting piece, and the connecting seat 3 and the longitudinal rod 1 are of an integral structure. The connecting piece includes sleeve 5 and bayonet 14, and the one end of sleeve 5 is fixed on mount pad 8, and the fixed setting of mount pad 8 is on the lateral wall of connecting seat 3. The mounting seat 8 and the connecting seat 3 are provided with jacks which are communicated with each other and enable the cross rod 2 to be inserted into. The other end of the sleeve 5 is provided with a through hole for allowing the bayonet 14 to pass through, and the aperture of the through hole is larger than the diameter of the bayonet 14, so that the bayonet 14 is connected with the sleeve 5 in a sliding manner. The mounting seat 8 and the connector 20 arranged at the end of the cross rod 2 are provided with through holes for the bayonet 14 to pass through, and the aperture of the through holes is larger than the diameter of the bayonet 14. The bayonet 14 is fixedly provided with a mounting plate 16 on a section located in the sleeve 5, the mounting plate 16 is connected with the mounting seat 8 through a second spring 15, and two ends of the second spring 15 are respectively fixedly connected with the mounting plate 16 and the mounting seat 8. The bayonet 14 is inserted into the through hole on the connecting head 20 under the elastic force of the second spring 15, so that the cross bar 2 is connected with the longitudinal bar 1.

The inner surface of the mounting seat 8 is provided with a second sliding groove 18 along the length direction of the mounting seat 8, the connecting head 20 is provided with a second sliding block 19 matched with the second sliding groove 18, and the second sliding block 19 is located inside the second sliding groove 18 and is in sliding connection with the second sliding groove 18. The second sliding groove 18 and the second sliding block 19 have a guiding effect on the sliding of the connector 20, so that the bayonet 14 can be smoothly clamped into the through hole of the connector 20. The cross rod 2 is arranged to be of a rectangular structure, and the anti-skid performance of the cross rod 2 is improved. The connector 20 at the end of the cross rod 2 is of a cylindrical structure, so that the connector 20 is conveniently connected with the mounting seat 8.

The cover is equipped with lock nut 6 on the horizontal pole 2, and lock nut 6's middle part is provided with the through-hole that makes connector 20 and horizontal pole 2 pass, and the aperture of through-hole is greater than the diameter of connector 20 and the size of horizontal pole 2 for lock nut 6 can slide and rotate on horizontal pole 2 and connector 20. Be provided with the spacing ring 17 that has limiting displacement to lock nut 6 on the connector 20, the size of spacing ring 17 is greater than the aperture of the through-hole that lock nut 6 middle part set up, prevents that lock nut 6 from slipping from connector 20. And an external thread is arranged on the outer surface of the mounting seat 8, and the mounting seat 8 is in threaded connection with the locking nut 6. After the locking nut 6 and the mounting seat 8 are screwed, the locking nut 6 is abutted against the limiting ring 17, and the connecting strength of the transverse rod 2 and the longitudinal rod 1 is improved.

The bottom of the vertical rod 1 at the lowest end is provided with an insulated anti-skidding seat 4, the bottom end of the anti-skidding seat 4 is of a conical structure, and the stability of the telescopic ladder fixed on the bottom surface is improved.

When the connecting device is used, the cross rod 2 is inserted into the mounting base 8, the clamping pin 14 is clamped into the through hole of the connecting head 20 under the action of the second spring 15, and the connection between the cross rod 2 and the longitudinal rod 1 is realized; then the upper longitudinal rod 1 is drawn out from the interior of the lower longitudinal rod 1 according to the required length, and the sliding block II 19 is clamped in the sliding groove I12 through the clamping block 9, so that the longitudinal rods 1 are locked and fixed. After the telescopic ladder is used, the end of the handle 7 is pressed by a hand, the first spring 10 extends, the clamping block 9 is moved away from the lower part of the second sliding block 19, and the upper longitudinal rod 1 is taken into the lower longitudinal rod 1, so that the occupied space of the telescopic ladder is reduced, and the telescopic ladder is convenient to carry. The clamping pin 14 is pulled outwards by hand, the clamping pin 14 is pulled out from the through hole of the connecting head 20, the transverse rod 2 can be detached from the longitudinal rod 1, and transportation and carrying are facilitated.

Therefore, the utility model adopts the above structure electric power overhauls uses insulating extension ladder, can solve current insulating extension ladder occupation space big, inconvenient carrying, pull inconvenient problem of operation between the vertical pole.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides an electric power overhauls with insulating extension ladder, includes vertical pole and horizontal pole, and two vertical poles pass through the horizontal pole and connect, the gliding inside that is located the below vertical pole of top, its characterized in that: the clamping units comprise clamping blocks which have supporting and limiting effects on the upper longitudinal rod, mounting holes which enable the clamping blocks to penetrate through are formed in the side wall of the longitudinal rod, a handle is arranged at one end, facing the outer surface of the longitudinal rod, of each clamping block, one end of the handle is rotatably connected with the corresponding clamping block, the middle of the handle is rotatably connected with the side wall of the longitudinal rod, and a first spring is arranged between one end, close to the clamping blocks, of the handle and the side wall of the longitudinal rod;

2. The insulating extension ladder for electric power overhaul according to claim 1, wherein: the inner surface of the side wall of the longitudinal rod is provided with a first sliding groove, the bottom of the longitudinal rod above the first sliding groove is provided with a first sliding block matched with the first sliding groove, the first sliding block is located inside the first sliding groove and is in sliding connection with the first sliding groove, the clamping block is located inside the first sliding groove, and the distance between the clamping block and the top of the first sliding groove is equal to the height of the first sliding block.

3. The insulating extension ladder for electric power overhaul according to claim 1, wherein: and a downward inclined plane is arranged on the lower surface of one end of the clamping block, which is far away from the handle.

4. The insulating extension ladder for electric power overhaul according to claim 1, wherein: the connecting piece includes sleeve and bayonet lock, and telescopic one end is fixed on the mount pad, and the mount pad is located the lateral wall of connecting seat, and the telescopic other end is provided with the through-hole that makes the bayonet lock pass, bayonet lock and sleeve sliding connection, all are provided with the through-hole that makes the bayonet lock pass on the connector that mount pad and horizontal pole end set up, and the bayonet lock is located and is provided with the mounting panel on one section of sleeve, passes through spring two connections between mounting panel and the mount pad.

5. The insulating extension ladder for electric power overhaul according to claim 4, wherein: and a second sliding groove is formed in the inner surface of the mounting seat along the length direction of the mounting seat, a second sliding block matched with the second sliding groove is arranged on the connecting head, and the second sliding block is located in the second sliding groove and is in sliding connection with the second sliding groove.

6. The insulating extension ladder for electric power overhaul according to claim 4, wherein: the cross rod is sleeved with a locking nut, the locking nut is connected with the cross rod in a sliding mode, a limiting ring with a limiting effect on the locking nut is arranged on the connecting head, and the mounting seat is in threaded connection with the locking nut.

7. The insulating extension ladder for electric power overhaul according to claim 1, wherein: the bottom end of the vertical rod positioned at the lowest end is provided with an insulated anti-skidding seat, and the bottom end of the anti-skidding seat is of a conical structure.