CN111048327A

CN111048327A - Clamping type fork opening for shielding cover fork rod

Info

Publication number: CN111048327A
Application number: CN201911280853.4A
Authority: CN
Inventors: 陆伟; 卞金川; 刘争; 芮吉; 沈巍慧; 邬春杰; 沈超
Original assignee: Jiashan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jiashan Hengxing Electric Power Construction Co Ltd
Current assignee: Jiashan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jiashan Hengxing Electric Power Construction Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-21
Anticipated expiration: 2039-12-13
Also published as: CN111048327B

Abstract

The invention discloses a clamping type fork opening for a fork rod of a shielding cover, which comprises a main frame, an upper fork arm, a lower fork arm and a movable part, wherein the root part of the upper fork arm is fixedly connected with the upper part of the main frame, the lower fork arm is arranged at the corresponding position of the lower side of the upper fork arm, the root part of the lower fork arm is rotatably connected with the main frame, matched grooves are arranged at the lower part of the upper fork arm and the upper part of the lower fork arm, a detection assembly is arranged at the groove part of the lower fork arm, the movable part is movably connected with the lower part of the main frame, and the upper end of the movable part is abutted against the root part of the lower. The lower yoke is movable, and the movable part is abutted against the lower yoke, so that the opening and closing of the lower yoke can be controlled only by controlling the position of the movable part, and finally, controllable grabbing and putting down are realized, the accidental sliding of the shielding cover is prevented, and the operation safety is improved. The substantial effects of the invention include: the opening and closing of the fork opening are realized through the rotatable lower fork arm, the shielding cover is convenient to grab and put down, the shielding cover is prevented from sliding down at a specific angle, and the safety is improved.

Description

Clamping type fork opening for shielding cover fork rod

Technical Field

The invention relates to the field of live-wire work tools, in particular to a clamping fork opening for a fork rod of a shielding cover.

Background

The main body of the insulation shielding cover is made of hard insulation materials and is similar to a briefcase when seen from the side, the main body is a cover for shielding the lead, and a smaller handle is arranged at the top end of the cover. The existing insulating shield cover fork rod is similar to a clothes hanging fork and clothes supporting rod, a Y-shaped design is adopted, and due to the fact that a handle at the top end of the insulating shield cover is designed to be small, one side of a fork opening of the fork rod is required to be horizontal, and if the fork opening is inclined downwards slightly in operation, the situation that the insulating shield cover slides down and falls on the ground is caused.

The utility model discloses an insulating shielding tool for 10kV insulating rod operation as the utility model with the application number of CN201821866838.9, which comprises an insulating shielding cover, a handle fixing seat, a nylon handle, a nylon bolt and an insulating fork rod; the insulating fork rod comprises an insulating fork head, a metal connector and an insulating rod; it is characterized in that the lower part of the metal connector is connected with the upper end part of the insulating rod in a threaded manner; the middle part of insulating jaw be equipped with insulating brake-pulling rod head, two plugs respectively with the middle part fixed connection of insulating brake-pulling rod head, two plugs are located the top of insulating brake-pulling rod head respectively, the left end portion of insulating brake-pulling rod head, right-hand member portion all overlap there is insulating cover.

The fork opening of the fork rod in the prior art can not be actively controlled, so that the shielding cover is easy to accidentally drop, potential safety hazards are generated to ground operators, and the fork rod capable of controlling grabbing or putting down the insulating shielding cover is needed.

Disclosure of Invention

Aiming at the problem that the fork rod cannot be actively controlled in the prior art, the invention provides the clamping fork opening for the fork rod of the shielding cover.

The technical scheme of the invention is as follows.

The utility model provides a clamp type fork mouth for shielding cover fork arm, includes the body frame, goes up yoke and yoke down, still includes the movable part, the root and the body frame upper portion fixed connection of going up the yoke, go up the yoke downside and correspond the position setting down the yoke, lower yoke root rotates with the body frame to be connected, go up the yoke lower part and be equipped with the recess that matches with lower yoke upper portion, lower yoke groove department is provided with the detection subassembly, movable part and body frame lower part swing joint, movable part upper end and lower yoke root butt. The yoke is movable down, through the butt of movable part with lower yoke, lower yoke upwards closed when the movable part rises, otherwise then opens, realizes only needing the position of control movable part, just can control the switching of yoke down, finally realizes controllable snatching and puts down, prevents to appear shielding the unexpected landing of cover, has improved the operation security, and wherein detection assembly is used for tentatively detecting the weight of being snatched the thing.

Preferably, the movable part includes butt piece and threaded rod, the threaded rod passes through the screw hole with the extension section of body frame lower part and is connected, and the threaded rod direction is unanimous with body frame length direction, the butt piece rotates with the threaded rod top to be connected, fork arm root under the upper portion butt of butt piece. By rotating the threaded rod, the lower yoke is abutted when the threaded rod rises, so that the lower yoke is closed upwards with the upper yoke, and is opened otherwise.

Preferably, the surface of the abutting block, which is in contact with the lower fork arm, is an inclined surface, one side of the inclined surface, which is far away from the main frame, is lower, and the inclined surface is provided with anti-skidding teeth, and the anti-skidding teeth face downwards along the inclined surface. The yoke receives the effect such as gravity to rotate down, and the butt piece can receive pressure with the tangent department of yoke down, and the direction of pressure is partial to the body frame direction, and consequently the antiskid tooth has increased frictional force, makes the butt more effective for only during the initiative control butt piece, the butt piece just can move.

Preferably, the lower fork arm root is provided with a lower lug, and the lower lug is abutted with the upper end of the movable part. The lower lug is arranged, so that the abutting block can better push the lower fork arm to open and close.

Preferably, the detection assembly comprises an elastic part and a measuring rod, two ends of the elastic part are respectively connected with two ends of a groove of the lower fork arm, a through hole is further formed below the groove of the lower fork arm, the measuring rod is connected below the elastic part, and the measuring rod penetrates through the through hole. The elastic member is pressed and bent downward, and the load capacity can be preliminarily estimated by matching with the measuring rod.

Preferably, one end of the elastic member near the root of the lower yoke is lower than the other end of the elastic member. The elastic piece is lower near the inside, so that the handle of the shielding cover can be conveniently placed on the inside, and the safety is improved.

Preferably, the main frame further includes a rotating portion, and the upper section and the lower section of the main frame are connected by the rotating portion. The rotating part can make and produce the angle between the upper segment of body frame and the hypomere, has improved the suitability.

Preferably, a spring is arranged between the upper fork arm and the lower fork arm. The spring facilitates the rebound of the lower fork arm.

The substantial effects of the invention include: the opening and closing of the fork opening are realized through the rotatable lower fork arm, the shielding cover is convenient to grab and put down, the shielding cover is prevented from sliding down at a specific angle, and the safety is improved.

Drawings

FIG. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is a partial schematic view of an embodiment of the present invention;

the figure includes: 1-upper yoke arm, 2-lower yoke arm, 3-lower lug, 4-butt block, 5-threaded rod, 6-main frame, 7-elastic piece, 8-measuring rod, 9-spring hole, 41-anti-slip tooth and 61-rotating part.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. In addition, numerous specific details are set forth below in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.

Example (b):

as shown in figure 1, the clamping fork mouth for the fork rod of the shielding cover comprises a main frame 6, an upper fork arm 1, a lower fork arm 2, a butting block 4 and a threaded rod 5, wherein the root part of the upper fork arm 1 is fixedly connected with the upper part of the main frame 6, the lower fork arm 2 is arranged at the corresponding position of the lower side of the upper fork arm 1, the root part of the lower fork arm 2 is rotatably connected with the main frame 6, the threaded rod 5 is connected with the extending section of the lower part of the main frame 6 through a threaded hole, the direction of the threaded rod 5 is consistent with the length direction of the main frame 6, the butting block 4 is rotatably connected with the top end of the threaded rod 5, the upper part of the butting block 4 is butted with the root part of the lower fork arm 2, the lower part of the upper fork arm 1 is provided with a matched groove with the upper part of the lower fork arm 2, the groove of the lower fork arm 2 is provided with an elastic piece 7 and a measuring bar 8, the two ends of the elastic piece 7 are, the measuring stick 8 penetrates the through hole. The elastic element 7 will bend downwards when subjected to pressure and, in cooperation with the measuring stick 8, a preliminary estimate of the load capacity can be obtained. The elastic member 7 is made of rubber.

Wherein one end of the elastic member 7 near the root of the lower yoke 2 is lower than the other end of the elastic member 7. The elastic piece 7 is lower close to the inner side, so that the handle of the shielding cover can be conveniently placed on the inner side, and the safety is improved.

The lower yoke 2 is movable, and through butt joint block 4 and threaded rod 5 and the butt of lower yoke 2, support the lower yoke when the threaded rod rises, make the yoke make progress and last yoke closed down, otherwise then open, just can control the switching of yoke 2 down, finally realize controllable snatching and put down, prevent the unexpected landing that shields the cover, improved the operation security.

The root of the lower fork arm 2 is provided with a lower lug 3, and the lower lug 3 is abutted with the upper end of the movable part. The lower projection 3 facilitates contact with the abutment block 4. Meanwhile, a spring is arranged between the upper fork arm 1 and the lower fork arm 2 and is installed in a spring hole 9. The spring facilitates the rebound of the lower yoke 2.

The main frame 6 of the present embodiment further includes a rotating portion 61, and the upper and lower sections of the main frame 6 are connected by the rotating portion 61. The rotating part 61 is composed of bolts and round holes at the upper and lower sections of the main frame 6, and the rotating part 61 can make an angle between the upper section and the lower section of the main frame 6, thereby improving the applicability.

As shown in figure 2, the surface of the abutting block 4 contacting with the lower yoke 2 is an inclined surface, one side of the inclined surface far away from the main frame 6 is lower, the inclined surface is provided with anti-skid teeth 41, and the anti-skid teeth 41 are downward along the inclined surface. The lower yoke 2 is rotated under the action of gravity and the like, the tangent part of the abutting block 4 and the lower yoke 2 is pressed, the direction of the pressing force is deviated from the direction of the main frame 6, therefore, the anti-skidding teeth 41 can prevent the abutting block 4 from dropping, and the abutting block 4 can move only when the abutting block 4 is actively controlled.

This embodiment is installed in the fork arm top, and 6 bottoms of body frame are fixed with the fork arm, sets up rotary rod connection threaded rod 5 in the fork arm, and the operation personnel hold the fork arm, and rotatory rotary rod drives threaded rod 5 and rotates and upwards or move down, and the action that the yoke execution was closed or opened under the butt realizes snatching or putting down shielding the cover handle.

Through the description of the above embodiments, those skilled in the art will understand that, for convenience and simplicity of description, only the division of the above functional modules is used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of a specific device is divided into different functional modules to complete all or part of the above described functions.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a clamp type fork mouth for shielding cover fork arm, includes the body frame, goes up yoke and yoke down, its characterized in that still includes the movable part, the root and body frame upper portion fixed connection of going up the yoke, go up the yoke downside and correspond the position setting lower yoke, lower yoke root rotates with the body frame and is connected, it is equipped with the recess that matches with lower yoke upper portion to go up the yoke lower part, and lower yoke groove department is provided with detection component, movable part and body frame lower part swing joint, movable part upper end and lower yoke root butt.

2. The clamping jaw for a fork rod of a shielding cover as claimed in claim 1, wherein the movable portion comprises a butt block and a threaded rod, the threaded rod is connected with the extension section of the lower portion of the main frame through a threaded hole, the direction of the threaded rod is consistent with the length direction of the main frame, the butt block is rotatably connected with the top end of the threaded rod, and the upper portion of the butt block is abutted against the root portion of the lower fork arm.

3. The clamp-on yoke for a fork of a shelter as claimed in claim 2, wherein the surface of the abutment block contacting the lower yoke is a sloping surface, the side of the sloping surface facing away from the main frame being lower, the sloping surface being provided with anti-slip teeth, the anti-slip teeth being directed downwardly along the sloping surface.

4. A clamping jaw for a fork rod of a screening shade according to claim 1, 2 or 3, characterized in that the lower yoke arms are provided at their base with a lower projection which abuts against the upper end of the movable part.

5. The clamping jaw for a fork rod of a shielding cover as claimed in claim 1 or 2, wherein the detection assembly comprises an elastic member and a measuring rod, two ends of the elastic member are respectively connected with two ends of a groove of the lower fork arm, a through hole is further formed below the groove of the lower fork arm, the measuring rod is connected below the elastic member, and the measuring rod penetrates through the through hole.

6. A clamping jaw for a shade fork according to claim 5 wherein the end of the spring adjacent the base of the lower yoke is lower than the other end of the spring.

7. The clamp-on yoke for a shutter yoke as claimed in claim 1, wherein the main frame further comprises a rotary part, and the upper and lower sections of the main frame are connected by the rotary part.

8. A clamp-on yoke for a shutter yoke as claimed in claim 1, characterized in that a spring is provided between the upper yoke and the lower yoke.