CN217724372U

CN217724372U - Electric power work safety hook

Info

Publication number: CN217724372U
Application number: CN202220652721.0U
Authority: CN
Inventors: 厉媛媛; 赵娜; 梁春瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-11-04
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses an electric power work safety hook belongs to the electric power construction field. An electric working falling protector comprises a bottom plate, wherein a top plate is arranged on the upper side of the bottom plate, a rotating shaft is rotatably arranged between the bottom plate and the top plate, a coil spring inserted with the rotating shaft is rotatably arranged at the lower end of the bottom plate, a safety rope inserted with the rotating shaft is arranged at the lower end of the top plate, wire guide rods matched with the safety rope are arranged on two sides of the upper end surface of the bottom plate, a threaded sleeve matched with the wire guide rods in a threaded manner is rotatably arranged on the upper end surface of the top plate, an installation cavity is formed in the lower end of the bottom plate, the coil spring is arranged in the installation cavity, and a threaded plate matched with the coil spring in a threaded manner is arranged in the installation cavity; the utility model discloses be convenient for safety rope and coil spring's installation and dismantlement.

Description

Electric power work safety hook

Technical Field

The utility model relates to an electric power construction field, more specifically say, relate to an electric power work safety hook.

Background

When the electric power operation, often need the staff to carry out the operation at the eminence, and for the guarantee staff personal safety, need be through the safety hook with the staff with the connection of fixed settings such as support, however, present safety hook still adopts fixed setting, this when changing the inside coil spring of safety hook and safety rope, comparatively inconvenient. In view of this, we propose an electrically operated fall arrester.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide an electric power work safety hook to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides an electric power work safety hook, includes the bottom plate, the bottom plate upside is equipped with the roof, rotate between bottom plate and the roof and install the axis of rotation, the bottom plate lower extreme rotates and installs the coil spring of pegging graft with the axis of rotation, the roof lower extreme is equipped with the safety rope of pegging graft with the axis of rotation, bottom plate up end both sides are equipped with the wire rod that matches with the safety rope, the roof up end rotates installation and wire rod screw-thread fit's threaded sleeve, the installation cavity has been seted up to the bottom plate lower extreme, the installation cavity is located to the coil spring, just be equipped with in the installation cavity rather than screw-thread fit's threading board.

Preferably, last draw-in groove of pegging graft with the safety rope is seted up to the axis of rotation up end, the through-hole has been seted up at roof up end middle part, the mounting groove has been seted up to the last through-hole up end left and right sides, be equipped with the locating lever with last draw-in groove joint in the mounting groove, the mounting groove inner wall is fixed with the lug with the locating lever laminating.

Preferably, the front side and the rear side of the lower end of the top plate are fixedly provided with protection plates matched with the bottom plate, the upper end face of the top plate is provided with a mounting hole inserted with the wire guide rod, and the threaded sleeve is rotatably mounted in the mounting hole.

Preferably, the middle part of the upper end face of the bottom plate is provided with a rotating hole which is rotatably connected with the rotating shaft, a limiting rotating plate is fixed on the periphery of the rotating shaft, and a limiting rotating groove is formed in the periphery of the rotating hole.

Preferably, the two sides of the top end face of the inner cavity of the mounting cavity are fixedly provided with limiting blocks matched with the outer ends of the two sides of the coil spring, and the lower end of the rotating shaft is provided with a lower clamping groove inserted into the middle of the coil spring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a screw-thread fit between threading board and the installation cavity can be dismantled the threading board, and then be convenient for change the coil spring in the installation cavity, through the screw-thread fit between threaded sleeve and the wire pole, can dismantle the roof, and then can change the safety rope, improve device performance;

2. the utility model discloses a cooperation between locating lever and the last draw-in groove can fix a position the axis of rotation, and then can be when not using, restriction safety rope and coil spring motion can protect the device.

Drawings

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

FIG. 2 is a schematic view of the overall external structure of the present invention when it is deployed;

FIG. 3 is a schematic view of the upper side internal splitting structure of the bottom plate of the present invention;

FIG. 4 is a schematic view of the inner split structure of the bottom plate of the present invention;

the reference numbers in the figures illustrate: 1. a top plate; 2. a rotating shaft; 3. a safety rope; 4. positioning a rod; 5. a base plate; 6. a wire guide rod; 7. a coil spring; 8. a thread plate; 9. an upper through hole; 10. mounting grooves; 11. a bump; 12. a threaded sleeve; 13. a protection plate; 14. a limiting rotating plate; 15. an upper clamping groove; 16. a limiting rotation groove; 17. a lower clamping groove; 18. a mounting cavity; 19. a limiting block; 20. mounting holes; 21. the hole is rotated.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an electric power work safety hook, comprising a

base plate

5, 5 upsides of bottom plate are equipped with roof 1, rotate between bottom plate 5 and the roof 1 and install axis of

rotation

2, 5 lower extremes of bottom plate rotate and install the coil spring 7 of pegging graft with axis of

rotation

2, 1 lower extreme of roof is equipped with the safety rope 3 of pegging graft with axis of

rotation

2, 5 up end both sides of bottom plate are equipped with the wire rod 6 that matches with

safety rope

3, 1 up end of roof rotates installation and 6 screw-thread fit's of wire rod threaded sleeve 12, installation cavity 18 has been seted up to 5 lower extremes of bottom plate, coil spring 7 is located in the installation cavity 18, and be equipped with in the installation cavity 18 rather than screw-thread fit's screwed plate 8.

Specifically, an upper clamping groove 15 inserted with the safety rope 3 is formed in the upper end face of the rotating shaft 2, an upper through hole 9 is formed in the middle of the upper end face of the top plate 1, mounting grooves 10 are formed in the left side and the right side of the upper end face of the upper through hole 9, a positioning rod 4 clamped with the upper clamping groove 15 is arranged in each mounting groove 10, and a convex block 11 attached to the positioning rod 4 is fixed on the inner wall of each mounting groove 10; the installation of the positioning rod 4 is facilitated.

Furthermore, the front side and the rear side of the lower end of the top plate 1 are fixedly provided with a protection plate 13 matched with the bottom plate 5, the upper end face of the top plate 1 is provided with a mounting hole 20 inserted with the wire guide rod 6, and the threaded sleeve 12 is rotatably mounted in the mounting hole 20; the direction of movement of the threaded sleeve 12 can be limited.

Furthermore, a rotating hole 21 which is rotatably connected with the rotating shaft 2 is formed in the middle of the upper end face of the bottom plate 5, a limiting rotating plate 14 is fixed on the periphery of the rotating shaft 2, and a limiting rotating groove 16 is formed in the periphery of the rotating hole 21; the direction of movement of the rotating shaft 2 can be restricted.

Furthermore, two sides of the top end face of the inner cavity of the mounting cavity 18 are fixedly provided with limiting blocks 19 matched with the outer ends of two sides of the coil spring 7, and the lower end of the rotating shaft 2 is provided with a lower clamping groove 17 inserted in the middle of the coil spring 7; the direction of movement of both outer ends of the coil spring 7 can be restricted.

The working principle is as follows: when the device is installed, the coil spring 7 is installed in the installation cavity 18, the middle part of the coil spring 7 is inserted into the lower clamping groove 17 at the lower end of the rotating shaft 2, the thread plate 8 can be installed in the installation cavity 18 through the thread matching between the thread plate 8 and the installation cavity 18, and the installation of the coil spring 7 is completed; through the disassembly of the safety rope 3 and the upper clamping groove 15, the safety rope 3 can be installed on the upper side of the bottom plate 5, the left side and the right side of the safety rope 3 are inserted between the front wire rod 6 and the rear wire rod 6, the top plate 1 is installed on the upper side of the bottom plate 5, the upper through hole 9 is inserted with the upper end of the rotating shaft 2, when the lower end of the threaded sleeve 12 is attached to the upper end of the wire rod 6, the top plate 1 can be installed on the upper side of the bottom plate 5 through the threaded fit between the wire rod 6 and the threaded sleeve 12, and the installation of the safety rope 3 is completed;

in 2 upper ends of axis of rotation, the reverse rotates axis of rotation 2, it rotates at bottom plate 5 upper and lower both ends respectively with coil spring 7 to drive safety rope 3, thereby can carry out the rolling to safety rope 3, when using, the staff human body drives safety rope 3 tensile, thereby drive 2 clockwise rotations of axis of rotation, and then drive coil spring 7 clockwise rotation in installation cavity 18, under two stopper 19 to 7 both ends kinematic position's of coil spring restriction, make coil spring 7 deformation and store elastic potential energy, make the trend of rolling appear in safety rope 3, can protect the staff.

Claims

1. An electric working safety hook comprises a bottom plate (5) and is characterized in that: bottom plate (5) upside is equipped with roof (1), rotate between bottom plate (5) and roof (1) and install axis of rotation (2), bottom plate (5) lower extreme rotates and installs coil spring (7) of pegging graft with axis of rotation (2), roof (1) lower extreme is equipped with safety rope (3) of pegging graft with axis of rotation (2), bottom plate (5) up end both sides are equipped with wire rod (6) of matcing with safety rope (3), roof (1) up end rotates installation and wire rod (6) screw-thread fit's threaded sleeve (12), installation cavity (18) have been seted up to bottom plate (5) lower extreme, in installation cavity (18) were located in coil spring (7), just be equipped with in installation cavity (18) rather than screw-thread fit's thread plate (8).

2. The electrically operated fall arrestor of claim 1 wherein: last draw-in groove (15) of pegging graft with safety rope (3) are seted up to axis of rotation (2) up end, last through-hole (9) have been seted up at roof (1) up end middle part, go up the through-hole (9) up end left and right sides and seted up mounting groove (10), be equipped with in mounting groove (10) with locating lever (4) of last draw-in groove (15) joint, mounting groove (10) inner wall is fixed with lug (11) of laminating with locating lever (4).

3. The electrically operated fall arrester of claim 1 wherein: the protective plates (13) matched with the bottom plate (5) are fixed on the front side and the rear side of the lower end of the top plate (1), the mounting hole (20) spliced with the wire guide rod (6) is formed in the upper end face of the top plate (1), and the threaded sleeve (12) is rotatably mounted in the mounting hole (20).

4. The electrically operated fall arrester of claim 1 wherein: the rotary plate is characterized in that a rotary hole (21) rotatably connected with the rotary shaft (2) is formed in the middle of the upper end face of the bottom plate (5), a limiting rotary plate (14) is fixed on the periphery of the rotary shaft (2), and a limiting rotary groove (16) is formed in the periphery of the rotary hole (21).

5. The electrically operated fall arrestor of claim 1 wherein: and two sides of the top end face of the inner cavity of the mounting cavity (18) are fixed with limiting blocks (19) matched with the outer ends of two sides of the coil spring (7), and the lower end of the rotating shaft (2) is provided with a lower clamping groove (17) inserted into the middle of the coil spring (7).