CN219807663U - Crane grabbing device - Google Patents

Abstract

The utility model discloses a crane grabbing device, which is provided with two hook claws which are symmetrically arranged at the bottom of a case, wherein the two hook claws can slide along the bottom of the case in an opening and closing way, a supporting table for placing heavy objects is arranged below the crane grabbing device, the supporting table is composed of a plurality of support bars which are arranged in parallel, the hook claws comprise a vertical plate and a plurality of L-shaped claws, the L-shaped claws are fixedly arranged at the bottom of the vertical plate and are parallel to each other, the L-shaped claws correspond to a gap between two adjacent support bars, air bags are arranged at the centers of the vertical plate and the bottom of the case, and an air pump is arranged in the case and used for inflating and deflating the air bags. The L-shaped claw part of the hook claw corresponds to a gap between two adjacent supporting bars, can extend below the heavy object when the heavy object is grabbed, is convenient for grabbing the heavy object, and the vertical plate and the center of the bottom of the case are both provided with the air bags, so that the contact area between the vertical plate and the heavy object is increased, and the clamping is stable.

Description

Crane grabbing device

Technical Field

The utility model relates to the technical field of grabbing devices, in particular to a crane grabbing device.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and has the working characteristics of intermittent motion, namely corresponding mechanisms of taking materials, transporting, unloading and the like in one working cycle work alternately, and the crane is increasingly widely developed and used in the market.

The crane is provided with a grabbing device for grabbing heavy objects, the claws of the grabbing device in the prior art are of an L-shaped structure, the two claws are opened and closed to move or rotate around a middle hinging point to grab and release the heavy objects, the heavy objects are generally placed on a platform to be grabbed by the grabbing device, the structure is simple, but is influenced by the gravity of the heavy objects, the bottoms of the claws are inconvenient to stretch into the lower part of the heavy objects, so that the heavy objects are inconvenient to grab, the contact surface of the heavy objects is in an irregular shape, the contact surface of the heavy objects and the claws is small, and the heavy objects are easy to slide and dangerous when shaking occurs in the lifting and moving processes.

Disclosure of Invention

The utility model aims to solve the technical problems and provide a crane grabbing device.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a hoist grabbing device, includes quick-witted case, colludes the claw, collude the claw and be equipped with two, and the symmetry sets up in quick-witted bottom of the case portion, and two collude the claw and can follow quick-witted bottom of the case portion and open and shut and slide, hoist grabbing device below is equipped with the brace table that is used for placing the heavy object, and the brace table adopts many parallel arrangement's support bar to constitute, collude the claw and include a riser and a plurality of L type claw, a plurality of L type claw are fixed to be set up in the riser bottom, and a plurality of L type claws are parallel to each other, and L type claw corresponds with the space between two adjacent support bars, riser and quick-witted bottom of the case portion center department all are equipped with the gasbag, and quick-witted incasement is equipped with the air pump for inflating the gassing for the gasbag.

Further, the supporting bars and the L-shaped claws are distributed at equal intervals.

Further, a first sliding block is arranged in the middle of the top of the vertical plate, a first strip-shaped through groove is formed in the bottom of the chassis, and the first sliding block is arranged in the first strip-shaped through groove in a sliding mode.

Further, the machine case is rotationally provided with a bidirectional threaded rod, and the first sliding block is correspondingly provided with a threaded hole which is matched with the first sliding block.

Further, a worm wheel is arranged in the middle of the bidirectional threaded rod, a driving motor is arranged in the case, and a worm is fixedly arranged on an output shaft of the driving motor and is meshed with the worm wheel.

Further, the machine case is internally provided with a sliding rod, the sliding rod is provided with two sliding rods which are respectively positioned at the front side and the rear side of the bidirectional threaded rod and are parallel to the bidirectional threaded rod, two ends of the vertical plate are provided with a second sliding block, the bottom of the machine case is provided with a second strip-shaped through groove, and the second sliding block penetrates through the second strip-shaped through groove and is connected with the sliding rod in a sliding manner.

Further, the side of the air bags, which is close to each other, is provided with anti-skid patterns.

Compared with the prior art, the utility model has the advantages that: the hooked L-shaped claw part corresponds to a gap between two adjacent supporting bars, can extend below the heavy object when the heavy object is grabbed, is convenient for grabbing the heavy object, and the centers of the vertical plate and the bottom of the case are respectively provided with an air bag, so that the contact area between the vertical plate and the heavy object is increased, and the clamping is stable.

Drawings

Fig. 1 is a schematic longitudinal sectional view of a crane gripping device according to the present utility model in a front view.

Fig. 2 is a schematic longitudinal sectional view of a crane gripping device according to the present utility model in a side view.

As shown in the figure: 1. a chassis; 2. a hook claw; 3. a riser; 4. an L-shaped claw; 5. an air bag; 6. an air pump; 7. a first sliding block; 8. a strip-shaped through groove I; 9. a two-way threaded rod; 10. a worm wheel; 11. a driving motor; 12. a worm; 13. a slide rod; 14. a second slide block; 15. and a strip-shaped through groove II.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In combination with the accompanying drawings,

the first embodiment, a hoist grabbing device, including quick-witted case 1, collude claw 2 and be equipped with two, and the symmetry sets up in quick-witted case 1 bottom, and two collude claw 2 can open and shut along quick-witted case 1 bottom and slide, and hoist grabbing device below is equipped with the brace table that is used for placing the heavy object, and the brace table adopts many parallel arrangement's support bar to constitute, collude claw 2 and include a riser 3 and a plurality of L type claw 4, a plurality of L type claw 4 are fixed to be set up in riser 3 bottoms, and a plurality of L type claw 4 are parallel to each other, and L type claw 4 corresponds with the space between two adjacent support bars, riser 3 all is equipped with gasbag 5 with quick-witted case 1 bottom center department, is equipped with air pump 6 in the quick-witted case 1 for gasbag 5 fills the gassing.

The support bars and the L-shaped claws 4 are distributed at equal intervals, and the equal-interval distribution can lead the stress to be even.

A first sliding block 7 is arranged in the middle of the top of the vertical plate 3, a first strip-shaped through groove 8 is formed in the bottom of the chassis 1, and the first sliding block 7 is arranged in the first strip-shaped through groove 8 in a sliding mode. The machine case 1 is rotationally provided with a bidirectional threaded rod 9, and the first slider 7 is correspondingly provided with a threaded hole which are matched with each other. The middle part of the bidirectional threaded rod 9 is provided with a worm wheel 10, a driving motor 11 is arranged in the case 1, and a worm 12 is fixedly arranged on an output shaft of the driving motor 11 and is meshed with the worm wheel 10.

The side of the air bag 5, which is close to each other, is provided with anti-skid patterns.

During implementation, the crane drives the grabbing device to descend, the L-shaped claw 4 of the hook claw 2 stretches into a gap between the supporting bars, then the driving motor drives the worm to rotate, the first sliding block 7 is driven to approach towards the middle, the hook claws 2 are driven to approach each other to grab a heavy object, then the air pump 6 is started to charge air into the air bag 5, so that clamping is firm, and then lifting and moving are carried out.

In the second embodiment, other structures are unchanged, a sliding rod 13 is arranged in the case 1, the sliding rod 13 is provided with two sliding blocks which are respectively positioned on the front side and the rear side of the bidirectional threaded rod 9 and are parallel to the bidirectional threaded rod 9, two ends of the vertical plate 3 are provided with two sliding blocks 14, a strip-shaped through groove 15 is formed in the bottom of the case 1, and the two sliding blocks 14 penetrate through the strip-shaped through groove 15 and are connected with the sliding rod 13 in a sliding mode.

In the implementation process, the sliding block II 14 slides along the sliding rod 13 in the process that the sliding block I7 slides along the bidirectional threaded rod 9, and the sliding rod 13 plays a role in limiting and supporting.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. The utility model provides a hoist grabbing device, includes quick-witted case (1), colludes claw (2), collude claw (2) and be equipped with two, and the symmetry sets up in quick-witted case (1) bottom, and two collude claw (2) and can follow quick-witted case (1) bottom and open and shut and slide, its characterized in that: the supporting table for placing heavy objects is arranged below the crane grabbing device, the supporting table is composed of a plurality of supporting bars which are arranged in parallel, each hook claw (2) comprises a vertical plate (3) and a plurality of L-shaped claws (4), the L-shaped claws (4) are fixedly arranged at the bottom of the vertical plate (3), the L-shaped claws (4) are mutually parallel, the L-shaped claws (4) correspond to gaps between two adjacent supporting bars, an air bag (5) is arranged at the center of the bottom of each vertical plate (3) and the center of the bottom of each case (1), and an air pump (6) is arranged in each case (1) and used for inflating and deflating the air bag (5).

2. A crane gripping device according to claim 1, characterized in that: the supporting strips and the L-shaped claws (4) are distributed at equal intervals.

3. A crane gripping device according to claim 1, characterized in that: a first sliding block (7) is arranged in the middle of the top of the vertical plate (3), a first strip-shaped through groove (8) is formed in the bottom of the chassis (1), and the first sliding block (7) is arranged in the first strip-shaped through groove (8) in a sliding mode.

4. A crane gripping device according to claim 3, characterized in that: the machine case (1) is rotationally provided with a bidirectional threaded rod (9), and the first sliding block (7) is correspondingly provided with a threaded hole which are matched with each other.

5. The crane gripping device of claim 4 wherein: the middle part of the bidirectional threaded rod (9) is provided with a worm wheel (10), a driving motor (11) is arranged in the case (1), and a worm (12) is fixedly arranged on an output shaft of the driving motor (11) and is meshed with the worm wheel (10).

6. The crane gripping device of claim 5 wherein: the novel intelligent cabinet is characterized in that a sliding rod (13) is arranged in the cabinet (1), the sliding rod (13) is provided with two front and rear sides which are respectively located on the two sides of the two-way threaded rod (9) and are parallel to the two-way threaded rod (9), two ends of the vertical plate (3) are provided with a second sliding block (14), a second strip-shaped through groove (15) is formed in the bottom of the cabinet (1), and the second sliding block (14) penetrates through the second strip-shaped through groove (15) and is connected with the sliding rod (13) in a sliding mode.

7. A crane gripping device according to claim 1, characterized in that: and anti-skid patterns are arranged on one side of the air bags (5) close to each other.