CN214692884U - Crane hook with lifting limiting structure - Google Patents

Abstract

The utility model discloses a hoist lifting hook with promote limit structure relates to hoist lifting hook technical field, including fixed case and couple body, the motor is installed to the top of fixed case, and the externally mounted of motor has the belt to the intermediate position of belt installs the awl ratch, the screw thread post is installed at the outside both ends of awl ratch, and the outer wall of screw thread post installs the slide bar to the lead screw is installed in the outer wall left side of screw thread post, the rotor plate is installed in the outside left side of slide bar, and the externally fixed of rotor plate has the cutting ferrule, the axostylus axostyle is installed to the top of bolt, the couple body is installed in the below of fixed case, the outer wall of couple body is fixed with the fixed block. The utility model discloses a set up screw thread post and lead screw, the screw thread post drives the slide bar and slides at the outer wall of lead screw for can carry on spacingly to the lifting hook according to the length of lifting hook, the length of having solved inconvenient lifting hook carries out spacing problem to the lifting hook.

Description

Crane hook with lifting limiting structure

Technical Field

The utility model relates to a crane hook technical field specifically is a crane hook with promote limit structure.

Background

A crane is a multi-action hoisting machine that can be lifted vertically within a certain range, and is also called a crown block, a gantry crane or a crane, wherein a hook is a heavy part, and can only lift the heavy part through the hook, and the hook is the most common hook in the hoisting machine.

Through retrieval, chinese patent No. CN211254983U, publication No. 2020, 8.14, discloses a crane hook with a lifting limit structure, wherein it is proposed that "fixing pins 4 penetrate through the left and right sides of a connector 1, a nut 5 is disposed on the periphery of the fixing pin 4, a runner 2 is connected to one end of the fixing pin 4, a gasket 3 is connected to one end of the runner 2, the runner 2 is symmetrical with respect to the center line of the gasket 3," the limit structure is inflexible, and cannot be adjusted conveniently according to the length of the hook, so that the limit efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane hook with promote limit structure to the length that can not conveniently adjust spacing problem according to the lifting hook that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crane hook with a lifting limit structure comprises a fixed box and a hook body, wherein a motor is arranged above the fixed box, a belt is arranged outside the motor, and the middle position of the belt is provided with a conical tooth rod, the two ends of the outer part of the conical tooth rod are provided with thread columns, the outer wall of each thread column is provided with a sliding rod, and the left side of the outer wall of the threaded column is provided with a screw rod, the left side of the outer part of the sliding rod is provided with a rotating plate, the outer part of the rotating plate is fixed with a clamping sleeve, and the middle position of the rotating plate is provided with a bolt, a shaft lever is arranged above the bolt, the hook body is arranged below the fixed box, the inner wall of the hook body is provided with a clamping hook, and the outer wall of block couple is fixed with the connecting plate, the outer wall of couple body is fixed with the fixed block, and the internally mounted of fixed block has the cardboard to the bolt is installed to the outer wall of cardboard.

Preferably, the belt is tightly attached to the bevel gear rod, and the bevel gear rod is in meshed connection with the bevel gear on the outer wall of the threaded column.

Preferably, the threaded column is rotatably connected with the sliding rod, and the sliding rod is slidably connected with the screw rod.

Preferably, the rotating plate is of a rotating structure through the shaft lever and the sliding rod, and the shaft lever is connected with the plug pin in a clamping mode.

Preferably, sliding connection is adopted between the bolt and the rotating plate, and the rotating plate and the clamping sleeve are in welded connection.

Preferably, the hook body is in sliding connection with the clamping hook, and the clamping hook is bonded with the connecting plate through glue.

Preferably, the clamping hook is connected with the clamping plate in a clamping manner, and the clamping plate is connected with the fixed block in a sliding manner.

Compared with the prior art, the utility model provides a pair of crane hook with promote limit structure has following beneficial effect:

(1) the utility model provides a motor, belt, awl tooth pole, screw thread post, slide bar, lead screw utilize the starter motor, and the motor drives the belt and rotates for the belt drives awl tooth pole and rotates, and awl tooth pole drives the screw thread post and rotates, makes the screw thread post drive the slide bar and slides at the outer wall of lead screw, makes can carry out spacing to the lifting hook according to the length of lifting hook, has solved the length of inconvenient lifting hook and has carried out spacing problem to the lifting hook;

(2) the utility model provides a rotating plate, a clamping sleeve, a bolt and a shaft lever, wherein the bolt is pulled out and slides in the rotating plate to ensure that the bolt and the shaft lever are clamped and separated, so that the rotating plate rotates through the shaft lever to ensure that the clamping sleeve is separated from a pull wire above a lifting hook, thereby solving the problem that the pull wire above the lifting hook is inconvenient to limit and adjust;

(3) the utility model provides a have the couple body, the block couple, the connecting plate, the fixed block, the cardboard, the bolt, utilize to pull the connecting plate, make the connecting plate drive the block couple and slide at this internal couple, make the block couple push the fixed block in, the bolt rotates, make bolt extrusion cardboard slide in the inboard of fixed block, it is fixed to make cardboard and block couple carry out the block, prevent to drop the object on the lifting hook, the problem that the object on the lifting hook of being not convenient for prevented to drop has been solved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic side view of the rotating plate of the present invention;

FIG. 4 is a schematic top view of the rotating plate according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a fixed box; 2. a motor; 3. a belt; 4. a bevel gear rod; 5. a threaded post; 6. a slide bar; 7. a screw rod; 8. a rotating plate; 9. a card sleeve; 10. a bolt; 11. a shaft lever; 12. a hook body; 13. clamping the hook; 14. a connecting plate; 15. a fixed block; 16. clamping a plate; 17. and (4) bolts.

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 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 work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-5, a crane hook with a lifting limit structure comprises a fixed box 1, a motor 2, a belt 3, a bevel gear rod 4, a threaded column 5, a sliding rod 6, a screw rod 7, a rotating plate 8, a clamping sleeve 9, a bolt 10, a shaft rod 11, a hook body 12, a clamping hook 13, a connecting plate 14, a fixed block 15, a clamping plate 16 and a bolt 17, wherein the motor 2 is installed above the fixed box 1, the belt 3 is installed outside the motor 2, the bevel gear rod 4 is installed in the middle of the belt 3, the threaded column 5 is installed at two outer ends of the bevel gear rod 4, the sliding rod 6 is installed on the outer wall of the threaded column 5, the screw rod 7 is installed on the left side of the outer wall of the threaded column 5, the rotating plate 8 is installed on the left side of the outer part of the sliding rod 6, the clamping sleeve 9 is fixed outside the rotating plate 8, the bolt 10 is installed in the middle of the rotating plate 8, the shaft rod 11 is installed above the bolt 10, the hook body 12 is arranged below the fixed box 1, the clamping hook 13 is arranged on the inner wall of the hook body 12, the connecting plate 14 is fixed on the outer wall of the clamping hook 13, the fixed block 15 is fixed on the outer wall of the hook body 12, the clamping plate 16 is arranged inside the fixed block 15, and the bolt 17 is arranged on the outer wall of the clamping plate 16;

further, the belt 3 is tightly attached to the bevel gear rod 4, and the bevel gear rod 4 is in meshed connection with the bevel gear on the outer wall of the threaded column 5, so that the motor 2 drives the belt 3 to rotate, the belt 3 drives the bevel gear rod 4 to rotate, and the bevel gear rod 4 drives the threaded column 5 to rotate;

further, the threaded column 5 is rotatably connected with the sliding rod 6, and the sliding rod 6 is slidably connected with the screw rod 7, so that the belt 3 drives the bevel gear rod 4 to rotate, the bevel gear rod 4 drives the threaded column 5 to rotate, and the threaded column 5 drives the sliding rod 6 to slide on the outer wall of the screw rod 7;

furthermore, the rotating plate 8 is in a rotating structure through the shaft lever 11 and the sliding rod 6, and the shaft lever 11 is in clamping connection with the plug pin 10, so that the plug pin 10 is pulled out, and the plug pin 10 slides on the inner side of the rotating plate 8, so that the plug pin 10 and the shaft lever 11 are clamped and separated;

further, the bolt 10 is in sliding connection with the rotating plate 8, and the rotating plate 8 is in welding connection with the clamping sleeve 9, so that the rotating plate 8 rotates through the shaft lever 11, and the clamping sleeve 9 is separated from the pull wire above the lifting hook;

furthermore, the hook body 12 is in sliding connection with the clamping hook 13, and the clamping hook 13 is bonded with the connecting plate 14 by glue, so that the connecting plate 14 is pulled to enable the connecting plate 14 to drive the clamping hook 13 to slide in the hook body 12;

further, for block connection between block couple 13 and the cardboard 16, and be sliding connection between cardboard 16 and the fixed block 15, such setting, bolt 17 extrusion cardboard 16 slides in the inboard of fixed block 15 for cardboard 16 and block couple 13 carry out the block fixedly.

The working principle is as follows: when the device is used, firstly, the motor 2 in the device is powered on;

the first innovation point implementation step:

the first step is as follows: when the position is adjusted and limited according to the length of the lifting hook, the motor 2 is started, the motor 2 drives the belt 3 to rotate, and the belt 3 drives the bevel gear rod 4 to rotate;

the second step is that: the bevel gear rod 4 drives the threaded column 5 to rotate, so that the threaded column 5 drives the sliding rod 6 to slide on the outer wall of the screw rod 7, and the lifting hook can be limited according to the length of the lifting hook.

The implementation step of the second innovation point:

the first step is as follows: when the stay wire above the lifting hook needs to be limited and adjusted, the plug pin 10 is pulled out, and the plug pin 10 slides on the inner side of the rotating plate 8, so that the plug pin 10 and the shaft lever 11 are clamped and separated;

the second step is that: the rotating plate 8 is rotated through the shaft lever 11, so that the clamping sleeve 9 is separated from the pull wire above the lifting hook for adjustment;

the third step: after adjustment, the rotating plate 8 is rotated through the shaft lever 11, and the plug pin 10 is pulled out, so that the plug pin 10 and the shaft lever 11 are clamped and fixed.

The third innovation point implementation step:

the first step is as follows: when the object on the hook needs to be prevented from falling off, the connecting plate 14 is pulled, so that the connecting plate 14 drives the clamping hook 13 to slide in the hook body 12;

the second step is that: pushing the clamping hook 13 into the fixed block 15, and rotating the bolt 17 to enable the bolt 17 to extrude the clamping plate 16 to slide on the inner side of the fixed block 15;

the third step: the catch plate 16 and the catch hook 13 are engaged and fixed to prevent the object on the hook from falling off.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a crane hook with promote limit structure, includes fixed case (1) and couple body (12), its characterized in that: the improved structure of the thread-cutting machine is characterized in that a motor (2) is installed above a fixed box (1), a belt (3) is installed outside the motor (2), a taper tooth rod (4) is installed at the middle position of the belt (3), thread columns (5) are installed at two ends of the outside of the taper tooth rod (4), a sliding rod (6) is installed on the outer wall of each thread column (5), a lead screw (7) is installed on the left side of the outer wall of each thread column (5), a rotating plate (8) is installed on the left side of the outside of each sliding rod (6), a clamping sleeve (9) is fixed on the outside of each rotating plate (8), a bolt (10) is installed at the middle position of each rotating plate (8), a shaft rod (11) is installed above each bolt (10), a hook body (12) is installed below the fixed box (1), a clamping hook (13) is installed on the inner wall of the hook body (12), and a connecting plate (14) is fixed on the outer wall of the clamping hook (13), the outer wall of couple body (12) is fixed with fixed block (15), and the internally mounted of fixed block (15) has cardboard (16) to bolt (17) are installed to the outer wall of cardboard (16).

2. A crane hook with a lift stop according to claim 1, wherein: the belt (3) is tightly attached to the bevel gear rod (4), and the bevel gear rod (4) is in meshed connection with the bevel gear on the outer wall of the threaded column (5).

3. A crane hook with a lift stop according to claim 1, wherein: the threaded column (5) is rotatably connected with the sliding rod (6), and the sliding rod (6) is slidably connected with the screw rod (7).

4. A crane hook with a lift stop according to claim 1, wherein: the rotating plate (8) is of a rotating structure through the shaft lever (11) and the sliding rod (6), and the shaft lever (11) is connected with the plug pin (10) in a clamping mode.

5. A crane hook with a lift stop according to claim 1, wherein: the bolt (10) is in sliding connection with the rotating plate (8), and the rotating plate (8) is in welding connection with the clamping sleeve (9).

6. A crane hook with a lift stop according to claim 1, wherein: the hook body (12) is in sliding connection with the clamping hook (13), and the clamping hook (13) is bonded with the connecting plate (14) through glue.

7. A crane hook with a lift stop according to claim 1, wherein: the clamping hook (13) is connected with the clamping plate (16) in a clamping mode, and the clamping plate (16) is connected with the fixed block (15) in a sliding mode.

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