CN216785568U

CN216785568U - Hook with anti-drop structure for electric hoist

Info

Publication number: CN216785568U
Application number: CN202220151017.7U
Authority: CN
Inventors: 胡灵玲; 姜云青; 陈琛; 胡华金; 李俊
Original assignee: Jiangxi Buffett Chemical Co ltd
Current assignee: Jiangxi Buffett Chemical Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-21
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of electric hoists and discloses a hook with an anti-falling structure for an electric hoist, wherein the right end of a cable is connected with the inside of an electric hoist shell, a second transmission pulley is clamped in the middle of the cable, the outside of the second transmission pulley is hinged with a mounting seat through a rotating shaft, a mounting table is fixedly arranged at the bottom end of the mounting seat, a limiting groove is formed in the middle position of the inside of the mounting table, and ratchet plates are fixedly connected to the left side and the right side of an inner cavity of the limiting groove. This couple for electric block with anti-drop structure through adding the thorn board and the latch of establishing for can install fixedly with couple body disect insertion thorn inboard, and owing to there is the existence of latch, make the unable downstream of couple body, thereby make when the couple body takes place to become flexible, also can take place between the teeth of a cogwheel through latch joint and thorn board, prevented breaking away from of couple body, promoted the security that electric block couple body used.

Description

Hook with anti-drop structure for electric hoist

Technical Field

The utility model relates to the technical field of electric hoists, in particular to a hook for an electric hoist with an anti-falling structure.

Background

The electric hoist is a special lifting equipment, is installed on overhead traveling cranes and gantry cranes, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like.

Common electric block can adopt the form that the screw thread connects soon usually when the installation couple, perhaps use the mode of bolt and nut mutual fastening to fix the couple, but because the couple generally long-time hook gets heavier object, lead to great to couple decurrent pulling force, make the couple that relies on screw thread and bolted connection alone can take place not hard up phenomenon after using for a long time, and then have the risk that takes place to drop, and because electric block's mounted position is higher, lead to having very big potential safety hazard, can not satisfy the operating requirement of couple for electric block, propose a couple for electric block with anti-drop structure for this.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a hook for an electric hoist with an anti-falling structure, which aims to solve the technical problems.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a hook with an anti-falling structure for an electric hoist comprises an electric hoist shell, wherein a motor is fixedly arranged on the right side of the electric hoist shell, a clamping seat is fixedly arranged at the middle position of the top of the electric hoist shell, mounting rings are fixedly connected to two sides of the top of the clamping seat, a first transmission pulley is movably connected to the left side of the bottom of the electric hoist shell through a hinge seat, a cable rope is connected to the inside of the first transmission pulley, the right end of the cable rope is connected with the inside of the electric hoist shell, a second transmission pulley is clamped at the middle part of the cable rope, a mounting seat is hinged to the outside of the second transmission pulley through a rotating shaft, a mounting table is fixedly arranged at the bottom end of the mounting seat, a limiting groove is formed in the middle position of the inside of the mounting table, ratchet plates are fixedly connected to the left side and the right side of an inner cavity of the limiting groove, and a hook body is inserted in the limiting groove, the right side of the bottom of the mounting table is fixedly connected with an adjusting cylinder through a connecting rod.

Preferably, the left side and the right side of the upper part of the hook body are both movably connected with clamping teeth through rotating shafts, and the shapes of the clamping teeth correspond to the gear teeth of the ratchet plate.

Preferably, the middle part of the inner cavity of the adjusting cylinder is movably connected with a gear disc through a rotating shaft, the middle part of the right side of the adjusting cylinder is provided with a fixing groove, and a limiting rod is transversely inserted into the fixing groove.

Preferably, the upper side and the lower side of the rod body of the limiting rod are fixedly connected with pressing plates, and one side, away from the gear disc, of each pressing plate is fixedly connected with a compression spring.

Preferably, the right side fixedly connected with cardboard of couple body, the coaxial fixedly connected with roof of toothed disc, the spout has been seted up to the outside circumference of adjusting a section of thick bamboo, the roof runs through the inside of spout.

(III) advantageous effects

Compared with the prior art, the utility model provides the hook for the electric hoist with the anti-falling structure, which has the following beneficial effects:

1. according to the hook with the anti-falling structure for the electric hoist, the hook body can be directly inserted into the ratchet plate for installation and fixation through the additional arrangement of the ratchet plate and the clamping teeth, and the hook body cannot move downwards due to the existence of the clamping teeth, so that when the hook body is loosened, the hook body can be clamped between the teeth of the ratchet plate through the clamping teeth, the hook body is prevented from being separated, and the use safety of the hook body of the electric hoist is improved;

2. this couple for electric block with anti-drop structure drives clamp plate extrusion compression spring through outside pulling gag lever post to with the gag lever post from between the teeth of a cogwheel of toothed disc, and then the inclination of adjustable roof, thereby the accessible roof carries on spacingly to the cardboard, and then can assist spacingly to the couple body, makes and can't fall when the couple body takes place to become flexible or drop, has promoted the stability of couple body clamping.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the adjusting cylinder of the present invention.

In the figure: 1. an electric hoist housing; 2. a motor; 3. installing a clamping seat; 31. a mounting ring; 4. a first drive pulley; 5. a cable; 6. a second transmission pulley; 7. a mounting seat; 8. an installation table; 81. a limiting groove; 9. a ratchet plate; 10. a hook body; 101. clamping teeth; 102. clamping a plate; 11. an adjusting cylinder; 111. fixing grooves; 12. a gear plate; 121. a top plate; 13. a limiting rod; 131. pressing a plate; 14. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a technical scheme, in particular to a hook with an anti-falling structure for an electric hoist, which comprises an electric hoist shell 1, a motor 2, a clamping seat 3, a mounting ring 31, a first transmission pulley 4, a cable 5, a second transmission pulley 6, a mounting seat 7, a mounting table 8, a limiting groove 81, a ratchet plate 9, a hook body 10, a latch 101, a clamping plate 102, an adjusting cylinder 11, a fixing groove 111, a gear disc 12, a top plate 121, a limiting rod 13, a pressing plate 131 and a compression spring 14, referring to figure 1, the motor 2 is fixedly arranged on the right side of the electric hoist shell 1, the clamping seat 3 is fixedly arranged at the middle position of the top of the electric hoist shell 1, the mounting ring 31 is fixedly connected on both sides of the top of the clamping seat 3, the first transmission pulley 4 is movably connected with the left side of the bottom of the electric hoist shell 1 through a hinge seat, the cable 5 is connected inside the first transmission pulley 4, the right end of the cable 5 is connected with the inside of the electric hoist housing 1, the middle part of the cable 5 is clamped with a second transmission pulley 6, the outside of the second transmission pulley 6 is hinged with a mounting seat 7 through a rotating shaft, the bottom end of the mounting seat 7 is fixedly provided with a mounting table 8, please refer to fig. 2, the middle position inside the mounting table 8 is provided with a limiting groove 81, the left side and the right side of the inner cavity of the limiting groove 81 are fixedly connected with a ratchet plate 9, the inside of the limiting groove 81 is inserted with a hook body 10, the left side and the right side of the upper part of the hook body 10 are movably connected with a latch 101 through a rotating shaft, the shape of the latch 101 corresponds to the gear teeth of the ratchet plate 9, so that the hook body 10 can be directly inserted into the ratchet plate 9 for mounting and fixing, and the hook body 10 can not move downwards due to the presence of the latch 101, thereby the latch 101 can be clamped between the gear teeth of the ratchet plate 9 when the hook body 10 is loosened, the hook body 10 is prevented from being separated, the use safety of the electric hoist hook body 10 is improved, please refer to fig. 1, the right side of the bottom of the mounting table 8 is fixedly connected with an adjusting cylinder 11 through a connecting rod, please refer to fig. 3, the middle part of the inner cavity of the adjusting cylinder 11 is movably connected with a gear disc 12 through a rotating shaft, the middle part of the right side of the adjusting cylinder 11 is provided with a fixing groove 111, a limiting rod 13 is transversely inserted into the fixing groove 111, the upper side and the lower side of the rod body of the limiting rod 13 are fixedly connected with pressing plates 131, one side of the pressing plates 131 far away from the gear disc 12 is fixedly connected with a compression spring 14, please refer to fig. 1, the right side of the hook body 10 is fixedly connected with a clamping plate 102, please refer to fig. 3, the gear disc 12 is coaxially and fixedly connected with a top plate 121, the outer circumference of the adjusting cylinder 11 is provided with a sliding groove, the top plate 121 penetrates through the inner part of the sliding groove, the pressing plate 131 is driven by outwards pulling the limiting rod 13 to extrude the compression spring 14, thereby with gag lever post 13 from between the teeth of a cogwheel of gear disc 12, and then the inclination of adjustable roof 121 to accessible roof 121 carries on spacingly to cardboard 102, and then can assist spacingly to couple body 10, makes and can't fall when couple body 10 takes place to become flexible or drop, has promoted the stability of couple body 10 clamping.

The working principle of the device is as follows: at first with couple body 10 disect insertion ratchet 9 inside install fixedly, and owing to there is the existence of latch 101, make unable downstream of couple body 10, thereby make when couple body 10 takes place to become flexible, also can be through the joint of latch 101 between the teeth of a cogwheel of ratchet 9, the breaking away from of couple body 10 has been prevented, the security of electric hoist couple body 10 use has been promoted, outwards stimulate gag lever post 13 again and drive clamp plate 131 extrusion compression spring 14, thereby with gag lever post 13 from between the teeth of a cogwheel of gear dish 12, and then the inclination of adjustable roof 121, thereby accessible roof 121 is spacing to clamp plate 102, and then can assist spacingly to couple body 10, make can't fall when couple body 10 takes place to become flexible or drop, the stability of couple body 10 clamping has been promoted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a couple for electric block with anti-drop structure, includes electric block shell (1), its characterized in that: the electric hoist is characterized in that a motor (2) is fixedly arranged on the right side of an electric hoist shell (1), a clamping seat (3) is fixedly arranged at the middle position of the top of the electric hoist shell (1), mounting rings (31) are fixedly connected to both sides of the top of the clamping seat (3), a first transmission pulley (4) is movably connected to the left side of the bottom of the electric hoist shell (1) through a hinged seat, a cable rope (5) is connected to the inside of the first transmission pulley (4), the right end of the cable rope (5) is connected with the inside of the electric hoist shell (1), a second transmission pulley (6) is clamped to the middle of the cable rope (5), a mounting seat (7) is hinged to the outside of the second transmission pulley (6) through a rotating shaft, a mounting table (8) is fixedly arranged at the bottom of the mounting seat (7), and a limiting groove (81) is formed at the middle position of the inside of the mounting table (8), the ratchet plate fixing device is characterized in that ratchet plates (9) are fixedly connected to the left side and the right side of an inner cavity of the limiting groove (81), a hook body (10) is inserted into the limiting groove (81), and an adjusting cylinder (11) is fixedly connected to the right side of the bottom of the mounting table (8) through a connecting rod.

2. The hook with the anti-falling structure for the electric hoist according to claim 1, characterized in that: the left side and the right side of the upper portion of the hook body (10) are movably connected with clamping teeth (101) through rotating shafts, and the shape of each clamping tooth (101) corresponds to the gear teeth of the ratchet plate (9).

3. The hook with the anti-falling structure for the electric hoist according to claim 1, characterized in that: the middle part of the inner cavity of the adjusting cylinder (11) is movably connected with a gear disc (12) through a rotating shaft, the middle part of the right side of the adjusting cylinder (11) is provided with a fixing groove (111), and a limiting rod (13) is transversely inserted into the fixing groove (111).

4. The hook with the anti-falling structure for the electric hoist according to claim 3, characterized in that: the gear plate is characterized in that pressing plates (131) are fixedly connected to the upper side and the lower side of the rod body of the limiting rod (13), and compression springs (14) are fixedly connected to one sides, away from the gear plate (12), of the pressing plates (131).

5. The hook with the anti-falling structure for the electric hoist according to claim 3, characterized in that: the right side fixedly connected with cardboard (102) of couple body (10), coaxial fixedly connected with roof (121) of toothed disc (12), the spout has been seted up to the outside circumference of adjusting a section of thick bamboo (11), roof (121) run through the inside of spout.