CN211619746U - Lifting appliance for maintenance crane - Google Patents

Abstract

The utility model discloses a hoist for maintenance crane, including installing frame and control panel, the intermediate position department at installing frame top is provided with the connecting rod, the bottom of connecting rod extends to the inside of installing frame, the bottom of connecting rod is provided with the slide bar, the bilateral symmetry at the inside top of installing frame is provided with the spout. The utility model discloses the device passes through the spring, the slide bar, three hornblocks, the spout, mutually support between connecting rod and the slider, cushion the huge pulling force that the hoist produced in the twinkling of an eye promoting, increase the life of rope, the rocking that produces when can also reducing the promotion simultaneously, make snatch more stable when promoting, prevent great rocking and lead to the fact the coming off to grabbing the object, at the threaded rod, first hinge bar, the supporting rod, mutually support between second hinge bar and the sleeve pipe, can strengthen grabbing to the object, the more firm of snatching, the security when improving the hoist and using.

Description

Lifting appliance for maintenance crane

Technical Field

The utility model relates to a hoist technical field specifically is a hoist for maintenance crane.

Background

The lifting appliance is a device for lifting and taking a heavy object in a lifting machine, the most commonly used lifting appliance for lifting and taking finished objects is a lifting hook and a lifting belt, other lifting rings, lifting suckers, clamps, forks and the like are arranged, the lifting suckers, the clamps, the forks and the like, in real life, the crane often needs to lift and take overweight objects when in work, the crane is often in a load state, the crane is easily damaged and needs to be maintained, and the crane needs to be lifted and taken to be transferred to a maintenance position due to overlarge mass of the crane.

Present hoist, generally only two hoist cables lift, drag simultaneously to the both ends of hoist and draw, but because the dead weight is too big for when hanging the article of getting, produce huge rocking easily, the article of getting of hanging can rock along with rocking, there is the potential safety hazard in the time of causing operating personnel work, can produce huge pulling force in the twinkling of an eye of lifting the hoist simultaneously, huge pulling force easily causes the damage to the cable wire of connecting on the hoist, has reduced the life of cable wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist for maintenance crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting appliance for a maintenance crane comprises an installation frame and a control panel, wherein a clamp is fixedly arranged at the bottom of the installation frame, the installation frame is formed by fixedly connecting an upper frame plate, a lower frame plate and two supporting frame plates, the tops of the two supporting frame plates are higher than the upper frame plate, a connecting rod penetrates through the middle position of the upper frame plate, a sliding rod is fixedly arranged at the bottom of the connecting rod, two sliding grooves are symmetrically formed in the bottom wall of the upper frame plate, sliding blocks are connected in the sliding grooves in a sliding mode, three corner blocks are fixedly connected to the bottoms of the sliding blocks, limiting grooves are formed in the side walls, opposite to the two corner blocks, of the sliding rod, the two ends of the sliding rod are respectively located in the two limiting grooves, and the three corner blocks are fixedly connected with the supporting frame plates through springs; the connecting rod with the top fixed mounting who supports the deckle board has rings, all be connected with the cable wire on the rings.

Preferably, the length of the wire rope connected to the connecting rod is shorter than the length of the wire rope connected to the supporting frame plate.

Preferably, anchor clamps are including fixed the setting go up the support frame of deckle board intermediate position, fixed mounting has servo motor on the roof of support frame, servo motor's output fixedly connected with pivot, the pivot is run through the roof of support frame sets up and its bottom fixedly connected with sleeve pipe, the sleeve pipe runs through deckle board sets up, sheathed tube inside cover is equipped with the threaded rod, the bottom symmetry of threaded rod articulates there are two second hinge bars, symmetrical connection has two bracing pieces on the diapire of deckle board, the bottom of bracing piece articulates there is first hinge bar, first hinge bar bottom articulates there is the supporting rod, control panel passes through signal of telecommunication and servo motor electric connection.

Preferably, the outside of servo motor is provided with the motor storehouse, and the motor storehouse inboard is provided with the amortization cotton.

Preferably, the bottom of the second hinge rod is hinged to the top of the clamping rod on the side close to the threaded rod.

Preferably, the inner wall of the sleeve is uniformly provided with threads, and the threads are matched with the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: this hoist for maintenance hoist passes through the spring, the slide bar, three hornblocks, the spout, mutually support between connecting rod and the slider, cushion the huge pulling force that the hoist produced in the twinkling of an eye that promotes, increase the life of rope, can also reduce rocking that produces when promoting simultaneously, make more stable when snatching the lift, prevent great rocking and lead to the fact the coming off to grabbing the object, at the threaded rod, first hinge bar, the supporting rod, mutually support between second hinge bar and the sleeve pipe, can strengthen snatching the object, what snatch more firm, the security when improving the hoist and using.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a perspective view of a triangular block of the present invention;

fig. 4 is a front view of the mounting frame of the present invention.

In the figure: 1. installing a frame; 101. an upper frame plate; 102. a lower frame plate; 103. supporting the frame plate; 2. a spring; 3. a servo motor; 4. a support frame; 5. a threaded rod; 6. a first hinge lever; 7. a clamping rod; 8. a second hinge lever; 9. a sleeve; 10. a slide bar; 11. a triangular block; 12. a chute; 13. a connecting rod; 14. a steel cord; 15. a hoisting ring; 16. a slider; 17. a rotating shaft; 18. a limiting groove; 19. a control panel; 20. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides an embodiment: a lifting appliance for maintaining a crane comprises a mounting frame 1 and a control panel 19, wherein a clamp is fixedly arranged at the bottom of the mounting frame 1, the mounting frame 1 is formed by fixedly connecting an upper frame plate 101, a lower frame plate 102 and two supporting frame plates 103, the tops of the two supporting frame plates 103 are higher than the upper frame plate 101, a connecting rod 13 penetrates through the middle position of the upper frame plate 101, a sliding rod 10 is fixedly arranged at the bottom of the connecting rod 13, two sliding grooves 12 are symmetrically arranged on the bottom wall of the upper frame plate 101, sliding blocks 16 are connected in the sliding grooves 12 in a sliding manner, triangular blocks 11 are fixedly connected at the bottoms of the sliding blocks 16, limiting grooves 18 are formed in the opposite side walls of the two triangular blocks 11, the two ends of the sliding rod 10 are respectively positioned in the two limiting grooves 18, and the triangular blocks 11 are fixedly connected with the supporting frame plates 103 through springs; the top ends of the connecting rod 13 and the supporting frame plate 103 are fixedly provided with hanging rings 15, and the hanging rings 15 are connected with steel cables 14.

In this embodiment, the length of the wire rope 14 connected to the connecting rod 13 is shorter than the length of the wire rope 14 connected to the supporting frame plate 103, and this design is designed to achieve a buffering effect, when the hanger is lifted, the wire rope gives an upward force to the connecting rod, the wire rope moves upward first, then the wire rope gives a force to the supporting frame plate, the hanger is pulled and lifted, and the last three groups of wire ropes are simultaneously stressed, so that the pulling force of the wire ropes on both sides can be reduced, and the wire ropes on both sides can be protected from being damaged by being pulled and pulled violently.

In this embodiment, the fixture includes a support frame 4 fixedly arranged at the middle position of an upper frame plate 101, a servo motor 3 is fixedly arranged on a top plate of the support frame 4, an output end of the servo motor 3 is fixedly connected with a rotating shaft 17, the rotating shaft 17 penetrates through the top plate of the support frame 4 and is fixedly connected with a sleeve 9 at the bottom thereof, the sleeve 9 penetrates through a lower frame plate 102 and is provided with a threaded rod 5, the bottom end of the threaded rod 5 is symmetrically hinged with two second hinge rods 8, the bottom wall of the lower frame plate 102 is symmetrically connected with two support rods 20, the bottom end of each support rod 20 is hinged with a first hinge rod 6, the bottom end of each first hinge rod 6 is hinged with a clamping rod 7, and a control panel 19 is electrically connected with; use this anchor clamps to carry out the centre gripping to the hoist and hang and get, be convenient for to the maintenance of hoist, servo motor 3's the outside is provided with the motor storehouse, and motor storehouse inboard is provided with the amortization cotton, reduce the noise that motor work produced, the bottom of second hinge bar 8 is articulated each other with the top that supporting rod 7 is close to threaded rod 5 one side, it is more stable during the centre gripping object, the inner wall of sleeve pipe 9 evenly is provided with the screw thread, and screw thread and 5 mutual adaptations of threaded rod, make sleeve pipe 9 rotate and can drive threaded rod 5 and remove.

The working principle is as follows: firstly, the lifting appliance is moved to a position where the crane needs to be lifted, the servo motor 3 is opened through the control panel 19, the servo motor 3 works to drive the rotating shaft 17 to rotate, the rotating shaft 17 drives the sleeve 9 to rotate, the threaded rod 5 starts to move upwards under the action of the internal threads of the sleeve 9, the threaded rod 5 moves upwards to drive the two groups of second hinged rods 8 to move upwards, the bottoms of the two groups of second hinged rods 8 drive the two groups of clamping rods 7 to mutually approach, the two groups of clamping rods 7 approach the crane to clamp and fix the crane, then the lifting appliance is lifted through the steel cable 14 connected to the lifting appliance, when the lifting appliance is lifted, the steel cable 14 drives the connecting rod 13 to move upwards under the pulling force of the steel cable 14, the connecting rod 13 drives the sliding rod 10 to move upwards, two sides of the sliding rod 10 slide in the limiting groove 18, and the two groups of triangular blocks 11 are mutually, make two sets of triangle blocks 11 compress two sets of springs 2, spring 2 produces elasticity, cushions the shock attenuation to huge pulling force, reduces the pulling force of the bore of cable wire, and the hoist that will have the centre gripping to wait to maintain is removed to the department of unloading to the rethread hoist, unloads the hoist.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a hoist for maintenance hoist, includes installing frame (1) and control panel (19), its characterized in that: the bottom of the mounting frame (1) is fixedly provided with a clamp, the mounting frame (1) is formed by fixedly connecting an upper frame plate (101), a lower frame plate (102) and two supporting frame plates (103), the tops of the two supporting frame plates (103) are higher than the position of the upper frame plate (101), a connecting rod (13) penetrates through the middle position of the upper frame plate (101), a sliding rod (10) is fixedly arranged at the bottom of the connecting rod (13), two sliding grooves (12) are symmetrically arranged on the bottom wall of the upper frame plate (101), a sliding block (16) is connected in the sliding groove (12) in a sliding way, the bottom of the sliding block (16) is fixedly connected with a triangular block (11), the opposite side walls of the two triangular blocks (11) are provided with limit grooves (18), two ends of the sliding rod (10) are respectively positioned in the two limiting grooves (18), the triangular block (11) is fixedly connected with the supporting frame plate (103) through a spring (2); the top end fixed mounting of connecting rod (13) with support framed panel (103) has rings (15), all be connected with cable wire (14) on rings (15).

2. A spreader for maintenance cranes according to claim 1, characterized in that: the length of the steel cable (14) connected with the connecting rod (13) is shorter than that of the steel cable (14) connected with the supporting frame plate (103).

3. A spreader for maintenance cranes according to claim 1, characterized in that: the clamp comprises a supporting frame (4) fixedly arranged at the middle position of the upper frame plate (101), a servo motor (3) is fixedly arranged on a top plate of the supporting frame (4), the output end of the servo motor (3) is fixedly connected with a rotating shaft (17), the rotating shaft (17) penetrates through the top plate of the supporting frame (4) and the bottom of the rotating shaft is fixedly connected with a sleeve (9), the sleeve (9) penetrates through the lower frame plate (102), a threaded rod (5) is sleeved inside the sleeve (9), two second hinged rods (8) are symmetrically hinged at the bottom end of the threaded rod (5), the bottom wall of the lower frame plate (102) is symmetrically connected with two support rods (20), the bottom end of the supporting rod (20) is hinged with a first hinged rod (6), the bottom end of the first hinged rod (6) is hinged with a clamping rod (7), the control panel (19) is electrically connected with the servo motor (3) through an electric signal.

4. A spreader for repairing cranes according to claim 3, characterized in that: the outside of servo motor (3) is provided with the motor storehouse, and the motor storehouse inboard is provided with the amortization cotton.

5. A spreader for repairing cranes according to claim 3, characterized in that: the bottom of the second hinged rod (8) is hinged to the top of one side, close to the threaded rod (5), of the clamping rod (7).

6. A spreader for repairing cranes according to claim 3, characterized in that: the inner wall of the sleeve (9) is uniformly provided with threads, and the threads are matched with the threaded rod (5) mutually.

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