CN220596805U

CN220596805U - Lifting appliance

Info

Publication number: CN220596805U
Application number: CN202320872531.4U
Authority: CN
Inventors: 李灿辉; 周生斟; 陈圣锡
Original assignee: Sanming Jinsheng Special Steel Co ltd
Current assignee: Sanming Jinsheng Special Steel Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-03-15
Anticipated expiration: 2033-11-07

Abstract

The utility model relates to the field of hoisting tools and discloses a lifting appliance, which comprises a cross beam, two groups of clamping mechanisms which are slidably arranged on the cross beam, and a driving mechanism for driving the two groups of clamping mechanisms to mutually approach or separate from the cross beam, wherein the clamping mechanisms comprise clamping plates and movable chucks which are movably connected to two sides of the clamping plates; the two sides of the clamping plate are provided with adjusting grooves, and one side of the movable clamping head is provided with an adjusting rod which is in sliding fit with the adjusting grooves. The movable chucks are arranged on two sides of the clamping plate, the adjusting grooves are formed on two sides of the clamping plate, the adjusting rods are arranged on the movable chucks, and the adjusting rods can slide in the adjusting grooves to adjust the movable chucks so as to adapt to workpieces of different sizes, avoid repeated replacement of the lifting appliance, and improve working efficiency.

Description

Lifting appliance

Technical Field

The utility model relates to the field of lifting tools, in particular to a lifting appliance.

Background

The lifting appliance is a device for lifting heavy objects in lifting machinery, is widely applied to the lifting industry, has a fixed clamping jaw size and a small application range, and needs to be replaced when clamping workpieces of different sizes, such as workpieces with larger volumes, in order to ensure the stability of the workpieces in the lifting process, the lifting appliance needs to be replaced to lift, and the lifting appliance needs to be replaced frequently to a certain extent, so that a great amount of time is required to be spent, and the working efficiency is reduced.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems in the prior art, the utility model provides the lifting appliance, wherein the movable chucks are arranged on the two sides of the clamping plate, so that the clamping range can be adjusted according to the size of a workpiece, the application range is wide, the frequency of replacing the lifting appliance can be effectively reduced, the time is saved, and the working efficiency is improved.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the lifting appliance comprises a cross beam, two groups of clamping mechanisms which are slidably arranged on the cross beam, and a driving mechanism for driving the two groups of clamping mechanisms to mutually approach or separate from the cross beam, wherein the clamping mechanisms comprise clamping plates and movable chucks which are movably connected to two sides of the clamping plates; the two sides of the clamping plate are provided with adjusting grooves, and one side of the movable clamping head is provided with an adjusting rod which is in sliding fit with the adjusting grooves.

Further, the clamping surfaces of the clamping plates and the clamping surfaces of the movable chucks are provided with anti-slip rubber strips.

Further, a sliding groove for sliding the clamping plate is formed in the cross beam, and a sliding block matched with the sliding groove is formed at the top of the clamping plate.

Further, the driving mechanism comprises a bidirectional screw rod, a motor and a transmission belt; the bidirectional screw rod is rotatably arranged in the chute, a first belt pulley is fixedly sleeved on the middle section of the bidirectional screw rod, a second belt pulley is fixedly sleeved on the conveying shaft of the motor, and the transmission belt is sleeved on the first belt pulley and the second belt pulley.

Further, a threaded hole matched with the bidirectional screw rod is formed in the sliding block.

Further, a mounting plate is arranged on one side wall of the cross beam, the motor is fixedly mounted on the mounting plate, and a through groove for the transmission belt to pass through is formed in the side wall of the cross beam.

Furthermore, connecting plates are arranged on two sides of the bottom end of the cross beam, and a guide bearing rod is arranged between the connecting plates; the bottom of the sliding block is also provided with a guide block, and a guide hole matched with the guide bearing rod is formed in the guide block.

(III) beneficial effects

1. The movable chucks are arranged on two sides of the clamping plate, the adjusting grooves are formed on two sides of the clamping plate, the adjusting rods are arranged on the movable chucks, and the adjusting rods can slide in the adjusting grooves to adjust the movable chucks so as to adapt to workpieces of different sizes, avoid repeated replacement of the lifting appliance, and improve working efficiency.

2. The present case is through motor drive bi-directional screw rotation to two grip blocks are close to each other or keep away from, press from both sides tight with the work piece, in addition, set up the direction bearing rod in the below of crossbeam, make the gravity of splint mainly act on the direction bearing rod, can protect bi-directional screw to a certain extent, prevent bi-directional screw deformation.

3. According to the scheme, the anti-slip rubber strip is arranged on the clamping surface of the clamping plate and the movable clamping head, so that the friction force can be increased, the workpiece is prevented from sliding downwards in the lifting process, and the clamping plate can be effectively prevented from damaging the surface of the workpiece.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle of the present utility model;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of a structure of a bi-directional screw;

FIG. 5 is a schematic view of a clamping mechanism;

fig. 6 is a schematic cross-sectional view of fig. 5.

[ reference numerals description ]

The cross beam 1, the sliding chute 11, the mounting plate 12, the through groove 13, the connecting plate 14, the guide bearing rod 15, the clamping mechanism 2, the clamping plate 21, the adjusting groove 211, the sliding block 212, the threaded hole 2121, the guide block 213, the guide hole 2131, the movable clamping head 22, the adjusting rod 221, the anti-skid rubber strip 223, the driving mechanism 3, the bidirectional screw 31, the motor 32, the driving belt 33, the first belt pulley 34 and the second belt pulley 35.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Referring to fig. 1 to 6, the hanger according to the present utility model includes a beam 1, two groups of clamping mechanisms 2 slidably mounted on the beam 1, and a driving mechanism 3 for driving the two groups of clamping mechanisms 2 to approach or separate from each other on the beam 1, wherein a connection block is further disposed at the top of the beam 1, and a connection hole connected with a steel rope is formed on the connection block. Specifically, the clamping mechanism 2 comprises a clamping plate 21 and movable chucks 22 movably connected to two sides of the clamping plate 21; the two sides of the clamping plate 21 are provided with adjusting grooves 211, and one side of the movable clamping head 22 is provided with an adjusting rod 221 which is in sliding fit with the adjusting grooves 211; a limit step is formed at one side of the adjusting groove 211 near the outside, and a limit block is formed at the end of the adjusting rod 221; the clamping surfaces of the clamping plates 21 and the movable clamping heads 22 are respectively provided with an anti-slip rubber strip 223. In addition, in order to accurately adjust the movable chucks 22 on both sides of the clamping plate 21, the clamping plate 21 and the movable chucks 22 may be set in the form of an air cylinder, air is introduced into the adjusting groove 211, and the movement of the movable chucks 22 is controlled by adjusting the air pressure difference between both ends of the limiting block, and the working principle of the air cylinder may be referred to specifically.

In this embodiment, a sliding slot 11 is formed on the beam 1 for sliding the clamping plate 21, and a sliding block 212 matched with the sliding slot 11 is formed on the top of the clamping plate 21. The driving mechanism 3 includes a bidirectional screw 31, a motor 32, and a transmission belt 33; the bidirectional screw 31 is rotatably installed in the chute 11, a first belt pulley 34 is fixedly sleeved on the middle section of the bidirectional screw 31, a second belt pulley 35 is fixedly sleeved on the conveying shaft of the motor 32, and a driving belt 33 is sleeved on the first belt pulley 34 and the second belt pulley 35. The bidirectional screw 31 has two screw thread segments with opposite screw directions, threaded holes 2121 matching with the two screw thread segments on the bidirectional screw 31 are formed on the two sliding blocks 212 respectively, and the first belt pulley 34 is located between the two screw thread segments. A mounting plate 12 is arranged on one side wall of the cross beam 1, a motor 32 is fixedly arranged on the mounting plate 12, and a through groove 13 for a transmission belt 33 to pass through is formed on the side wall of the cross beam 1.

In the embodiment, two sides of the bottom end of the cross beam 1 are also provided with connecting plates 14, and two parallel guide bearing rods 15 are arranged between the connecting plates 14; the bottom of the slide block 212 is also provided with a guide block 213, and guide holes 2131 matched with the two guide bearing rods 15 are formed in the guide block 213. The guide bearing bar 15 can bear most of the gravity of the clamping mechanism 2, and the bidirectional screw 31 is prevented from being deformed.

The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described above, standard parts used by the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. The lifting appliance comprises a cross beam, two groups of clamping mechanisms which are slidably arranged on the cross beam and a driving mechanism for driving the two groups of clamping mechanisms to mutually approach or separate from the cross beam, and is characterized in that the clamping mechanisms comprise clamping plates and movable chucks which are movably connected to two sides of the clamping plates; the two sides of the clamping plate are provided with adjusting grooves, and one side of the movable clamping head is provided with an adjusting rod which is in sliding fit with the adjusting grooves.

2. The spreader of claim 1, wherein the clamping surface of the clamping plate and the clamping surface of the movable clamp are provided with anti-slip rubber strips.

3. The spreader of claim 1, wherein the cross member has a sliding slot for sliding the clamping plate, and a slider is formed on the top of the clamping plate to engage with the sliding slot.

4. A spreader as claimed in claim 3, wherein the drive mechanism comprises a bi-directional screw, a motor, and a drive belt; the bidirectional screw rod is rotatably arranged in the chute, a first belt pulley is fixedly sleeved on the middle section of the bidirectional screw rod, a second belt pulley is fixedly sleeved on the conveying shaft of the motor, and the transmission belt is sleeved on the first belt pulley and the second belt pulley.

5. The spreader of claim 4, wherein the slider has threaded holes formed therein for mating with the bi-directional screw.

6. The spreader of claim 5, wherein a mounting plate is provided on a side wall of the cross beam, the motor is fixedly mounted on the mounting plate, and a through slot is formed on the side wall of the cross beam for the transmission belt to pass through.

7. A lifting appliance according to claim 3, wherein connecting plates are further arranged on two sides of the bottom end of the cross beam, and guide bearing rods are arranged between the connecting plates; the bottom of the sliding block is also provided with a guide block, and a guide hole matched with the guide bearing rod is formed in the guide block.