CN214358945U

CN214358945U - Crane grabbing device

Info

Publication number: CN214358945U
Application number: CN202120449480.5U
Authority: CN
Inventors: 孙振; 荆慧钰
Original assignee: Taian Guhe Truck Crane Co ltd
Current assignee: Taian Guhe Truck Crane Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-08
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a crane grasping device, belonging to the technical field of cranes. A crane grasping device comprises a frame, a lifting mechanism is arranged on the frame, a guide rod is fixedly connected to the frame, and the guide rod is The two are symmetrically designed, the two guide rods are respectively slidably connected with a box body and a sliding sleeve, a spring is connected between the sliding sleeve and the frame, the box body is provided with a clamping mechanism, the lifting and lowering The mechanism is connected with the box body through a wire rope, the inner wall of the frame is fixedly connected with the first motor, the bottom of the frame is fixedly connected with a support seat, and the inner wall of the support seat is slidably connected with a support plate; the utility model has simple structure and convenient operation, Through the mutual cooperation of the screw rod and the support rod, the frame can be easily moved, and the box body can be buffered and damped through the mutual cooperation of the sliding sleeve and the spring. improve.

Description

Crane grabbing device

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist grabbing device.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a crane and a crane gripper, wherein the crane gripper is one of indispensable elements of the crane, and is also updated and improved in a large amount.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art because wire rope fracture can not cushion the shock attenuation to the hoist tongs, lead to being pressed from the aerial back that receives of falling of article by the clamp, cause article to damage to and because of the volume is great, lead to not being convenient for remove, reduce practicality scheduling problem, and the hoist grabbing device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hoist grabbing device, includes the frame, be equipped with elevating system on the frame, fixedly connected with guide bar on the frame, the guide bar is two of symmetrical design, two sliding connection has box and sliding sleeve respectively on the guide bar, be connected with the spring between sliding sleeve and the frame, be equipped with fixture on the box, elevating system is connected with the box through wire rope, the first motor of frame inner wall fixedly connected with, frame bottom fixedly connected with supporting seat, supporting seat inner wall sliding connection has the backup pad, be connected with drive mechanism between first motor and the backup pad.

Preferably, the lifting mechanism comprises a second motor and a roller, the second motor is fixedly connected to the frame, the roller is rotatably connected to the frame, the roller is fixedly connected to the output end of the second motor, and the steel wire rope is connected between the roller and the box body.

Preferably, fixture includes cylinder, grip block and slider, cylinder fixed connection is at box top inner wall, grip block sliding connection is on the box, slider fixed connection is on the cylinder output, sliding connection between slider and the grip block.

Preferably, drive mechanism includes lead screw, thread bush and bracing piece, fixed connection between lead screw and the first motor output, thread bush threaded connection is on the lead screw, the bracing piece rotates to be connected on the thread bush, the bracing piece is kept away from and is rotated between thread bush one end and the backup pad and be connected, the backup pad bottom is equipped with the universal wheel.

Preferably, fixedly connected with support frame on the frame, fixedly connected with fixed plate on the support frame, the fixed plate lateral wall rotates and is connected with the pulley, sliding connection between wire rope and the pulley.

Preferably, the inner wall of the supporting seat is provided with a sliding groove, the supporting plate is positioned in the sliding groove to slide, and the side wall of the clamping plate is fixedly connected with an anti-slip pad.

Compared with the prior art, the utility model provides a hoist grabbing device possesses following beneficial effect:

when the crane grabbing device is used, when a frame needs to be moved to a construction site, a first motor is started, the first motor drives a screw rod to rotate, the screw rod drives a threaded sleeve to move towards two sides of the frame, meanwhile, the threaded sleeve drives a supporting plate to move downwards through a supporting rod, at the moment, a universal wheel is in contact with the ground to jack the frame and move the frame, after the crane grabbing device is moved to the construction site, the first motor is started to reversely operate, the first motor drives the universal wheel to move upwards through the supporting plate, so that the supporting seat is in contact with the ground to achieve a stable supporting effect on the frame, then an article is placed on the frame, a cylinder is started, the cylinder drives a sliding block to move upwards, at the moment, the sliding block drives two symmetrically designed clamping plates to clamp and grab the article, then a second motor is started, the second motor drives a roller to rotate, and the roller drives a steel wire rope to perform rolling operation, meanwhile, the steel wire rope drives the box body to move upwards, and meanwhile, the box body drives the articles to move upwards, so that the articles are conveyed in a vertical lifting mode.

Because the fracture can appear in the long-time use of wire rope, can lead to box area article to follow the eminence to slide rapidly this moment for box pressure-bearing sliding sleeve makes the sliding sleeve receive compression spring behind the pressure-bearing, and the elasticity that produces after the spring compression simultaneously can play the cushioning effect to the box, has effectually prevented that article from causing the condition of article damage because of quick pressure-bearing.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, the simple operation reaches to play the removal of being convenient for to the frame through mutually supporting of lead screw and bracing piece, reaches to play the buffering shock attenuation to the box through mutually supporting of sliding sleeve and spring, has effectually prevented that article from causing the condition of damage because of the punching press, and the practicality improves greatly.

Drawings

Fig. 1 is a schematic structural view of a crane gripping device provided by the present invention;

fig. 2 is a side view of a crane gripping device frame according to the present invention;

fig. 3 is a front view of a support frame of a crane gripping device provided by the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 of a crane gripping device according to the present invention.

In the figure: 1. a frame; 101. a supporting seat; 102. a chute; 2. a first motor; 201. a screw rod; 202. a threaded sleeve; 203. a support bar; 3. a universal wheel; 301. a support plate; 4. a support frame; 401. a fixing plate; 402. a pulley; 5. a second motor; 501. a drum; 6. a wire rope; 7. a guide bar; 701. a sliding sleeve; 702. a spring; 8. a box body; 9. a cylinder; 901. A clamping plate; 902. a slider; 903. a non-slip mat.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a crane gripping device comprises a frame 1, wherein an elevating mechanism is arranged on the frame 1, guide rods 7 are fixedly connected to the frame 1, the two guide rods 7 are symmetrically designed, a box body 8 and a sliding sleeve 701 are respectively and slidably connected to the two guide rods 7, a spring 702 is connected between the sliding sleeve 701 and the frame 1, a clamping mechanism is arranged on the box body 8, the elevating mechanism is connected with the box body 8 through a steel wire rope 6, a first motor 2 is fixedly connected to the inner wall of the frame 1, a supporting seat 101 is fixedly connected to the bottom of the frame 1, a supporting plate 301 is slidably connected to the inner wall of the supporting seat 101, and a transmission mechanism is connected between the first motor 2 and the supporting plate 301.

The lifting mechanism comprises a second motor 5 and a roller 501, the second motor 5 is fixedly connected to the frame 1, the roller 501 is rotatably connected to the frame 1, the roller 501 is fixedly connected with the output end of the second motor 5, and the steel wire rope 6 is connected between the roller 501 and the box body 8; the lifting mechanism is used for adjusting the height of the box body 8.

The clamping mechanism comprises an air cylinder 9, a clamping plate 901 and a sliding block 902, the air cylinder 9 is fixedly connected to the inner wall of the top of the box body 8, the clamping plate 901 is connected to the box body 8 in a sliding mode, the sliding block 902 is fixedly connected to the output end of the air cylinder 9, and the sliding block 902 is connected with the clamping plate 901 in a sliding mode; the clamping mechanism is used for clamping the article.

The transmission mechanism comprises a screw rod 201, a threaded sleeve 202 and a support rod 203, the screw rod 201 is fixedly connected with the output end of the first motor 2, the threaded sleeve 202 is in threaded connection with the screw rod 201, the support rod 203 is in rotary connection with the threaded sleeve 202, one end of the support rod 203, far away from the threaded sleeve 202, is in rotary connection with a support plate 301, and the bottom of the support plate 301 is provided with a universal wheel 3; the transmission mechanism is used for controlling the support plate 301 to move up and down.

A support frame 4 is fixedly connected to the frame 1, a fixing plate 401 is fixedly connected to the support frame 4, a pulley 402 is rotatably connected to the side wall of the fixing plate 401, and a steel wire rope 6 is slidably connected with the pulley 402; the auxiliary device is used for reducing friction force when the steel wire rope 6 moves, and prolonging the service life of the steel wire rope 6.

The inner wall of the supporting seat 101 is provided with a sliding chute 102, the supporting plate 301 is positioned in the sliding chute 102 to slide, and the side wall of the clamping plate 901 is fixedly connected with an anti-skid pad 903; the auxiliary supporting plate 301 moves up and down more stably.

In the utility model, when the frame 1 is needed to be moved to the construction site, the first motor 2 is started, the first motor 2 drives the screw rod 201 to rotate, the screw rod 201 drives the screw sleeve 202 to move towards both sides of the frame 1, meanwhile, the screw sleeve 202 drives the support plate 301 to move downwards through the support rod 203, the universal wheel 3 is contacted with the ground at the moment, the frame 1 is jacked up to move the position, after the frame is moved to the construction site, the first motor 2 is started to reverse, the first motor 2 drives the universal wheel 3 to move upwards through the support plate 301, so that the support seat 101 is contacted with the ground to achieve the effect of stably supporting the frame 1, then the article is placed on the frame 1, the cylinder 9 is started, the cylinder 9 drives the slider 902 to move upwards, at the moment, the slider 902 drives the two clamping plates 901 with symmetrical design to clamp and grab the article, then the second motor 5 is started, the second motor 5 drives the roller 501 to rotate, the roller 501 drives the steel wire rope 6 to perform winding operation, meanwhile, the steel wire rope 6 drives the box body 8 to move upwards, and meanwhile, the box body 8 drives the articles to move upwards, so that the articles are conveyed in a vertical lifting mode.

Because the fracture can appear in the long-time use of wire rope 6, can lead to box 8 to take article to slide along with guide bar 7 from the eminence rapidly this moment for 8 pressure-bearing sliding sleeves 701 of box make sliding sleeves 701 receive compression spring 702 after the pressure-bearing, the elasticity that produces after the compression of spring 702 simultaneously can play the cushioning effect to box 8, has effectually prevented that article from causing the condition of article damage because of quick pressure-bearing.

The above, it is only the preferred embodiment of the present invention is convenient, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A crane grabbing device, comprising a frame (1), characterized in that a lifting mechanism is provided on the frame (1), a guide rod (7) is fixedly connected to the frame (1), and the guide The two rods (7) are symmetrically designed, and the two guide rods (7) are respectively slidably connected with a box body (8) and a sliding sleeve (701), and the sliding sleeve (701) and the frame (1) are connected respectively. A spring (702) is connected between them, a clamping mechanism is provided on the box body (8), the lifting mechanism is connected with the box body (8) through a wire rope (6), and the inner wall of the frame (1) is fixedly connected with a A first motor (2), a support seat (101) is fixedly connected to the bottom of the frame (1), a support plate (301) is slidably connected to the inner wall of the support seat (101), and the first motor (2) is connected to the support A transmission mechanism is connected between the plates (301).

2. A crane grabbing device according to claim 1, wherein the lifting mechanism comprises a second motor (5) and a roller (501), and the second motor (5) is fixedly connected to the frame (5). 1), the drum (501) is rotatably connected to the frame (1), the drum (501) is fixedly connected to the output end of the second motor (5), and the wire rope (6) is connected to the drum (501). ) and the box (8).

3. A crane grabbing device according to claim 2, wherein the clamping mechanism comprises an air cylinder (9), a clamping plate (901) and a sliding block (902), and the air cylinder (9) It is fixedly connected to the top inner wall of the box body (8), the clamping plate (901) is slidably connected to the box body (8), and the slider (902) is fixedly connected to the output end of the cylinder (9). A sliding connection is made between the block (902) and the clamping plate (901).

4. A crane grabbing device according to claim 1, wherein the transmission mechanism comprises a lead screw (201), a threaded sleeve (202) and a support rod (203), and the lead screw (201) It is fixedly connected with the output end of the first motor (2). One end of the support rod (203) away from the threaded sleeve (202) is rotatably connected with the support plate (301), and the bottom of the support plate (301) is provided with a universal wheel (3).

5. A crane grabbing device according to claim 3, characterized in that a support frame (4) is fixedly connected to the frame (1), and a fixing plate (4) is fixedly connected to the support frame (4). 401), a pulley (402) is rotatably connected to the side wall of the fixing plate (401), and the wire rope (6) is slidably connected to the pulley (402).

6. A crane grabbing device according to claim 5, characterized in that a chute (102) is provided on the inner wall of the support base (101), and the support plate (301) is located in the chute (102) Sliding, the side wall of the clamping plate (901) is fixedly connected with an anti-skid pad (903).