CN213595802U

CN213595802U - Screw lifting device

Info

Publication number: CN213595802U
Application number: CN202021743164.0U
Authority: CN
Inventors: 谷成刚; 徐维栓; 袁晓栋
Original assignee: Wuxi Weijian Intelligent Technology Co ltd
Current assignee: Wuxi Weijian Intelligent Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-07-02
Anticipated expiration: 2030-08-19

Abstract

The utility model provides a screw lifting device, which comprises a bracket and a fork rod vertically arranged at the bottom of the bracket, wherein a ball screw is vertically arranged on one side of the bracket close to the fork rod, the bottom of the ball screw is connected on the fork rod through a fixing device, and the top of the ball screw is arranged on a motor and a speed reducer through a thrust adjusting part; the vertical side surface of the bracket, which is close to the fork rod, is provided with a linear guide rail through a bolt, the linear guide rail is movably provided with a slide block, and the slide block is integrally arranged on the fork rod below. The utility model discloses simple structure, convenient operation prevents other holes, and stability is high, easy operation, long service life.

Description

Screw lifting device

Technical Field

The utility model mainly relates to a AGV field especially relates to a screw rod hoisting device.

Background

In the AGV field, fork truck often can produce unstable phenomenon, especially the condition of other holes, leads to the inefficiency inevitable.

The published Chinese invention patent, application number CN201710434232.1, patent name: a material screw rod lifting machine, application date: 2017-06-09, the utility model relates to a material screw rod lifting machine, which is provided with: a frame body; the sliding rails are arranged on two sides of the frame body; the bin is used for containing materials; the auger shaft is arranged at the bottom in the material box and can output the materials contained in the material box; the driving mechanism can drive the auger shaft to rotate; the supporting frame is fixedly connected with the material box and supports the material box; a first pulley shaft and a fixed shaft are arranged on two sides of the support frame, a pulley is arranged at the end part of the first pulley shaft, and the pulley can slide in the sliding rail; the fixed shaft is detachably connected with the frame body through the fixed block; the second pulley shaft is arranged on the upper part of the material box, the end part of the second pulley shaft is also provided with a pulley, the pulley can also slide in the sliding rail, the noise is low, the conveying capacity is convenient to control, and the material box can adapt to the use requirements of different heights.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a screw lifting device, which comprises a bracket 1 and a fork rod 2 vertically arranged at the bottom of the bracket 1, wherein a ball screw 3 is vertically arranged on one side of the bracket 1 close to the fork rod 2, the bottom of the ball screw 3 is connected to the fork rod 2 through a fixing device, and the top of the ball screw 3 is arranged on a motor and a speed reducer 4 through a thrust adjusting piece;

the support 1 is close to and installs linear guide 5 through the bolt on the vertical side of fork arm 2, the activity is provided with slider 6 on the linear guide 5, slider 6 an organic whole sets up on the fork arm 2 of below.

Preferably, the fixing device comprises an L-shaped connecting frame 7 integrated with the fork rod 2, a lead screw nut fixing frame 8 and a pin shaft 9, the lead screw nut fixing frame 8 is inserted on the L-shaped connecting frame 7 and locked by two sides of the pin shaft 9, and a lead screw nut 10 inserted with the ball screw 3 is fixedly installed at the top of the lead screw nut fixing frame 8.

Preferably, the thrust adjusting part includes that the concentric sleeve establishes thrust bearing seat 11 and thrust self-aligning bearing 12 to and lead screw nut cover 13, motor support frame 14 erects in 4 bottoms of motor and speed reducer, fixes at support 1 top, thrust bearing seat 11 and thrust self-aligning bearing 12 all set up in motor support frame 14, one side of thrust bearing seat 11 and thrust self-aligning bearing 12 is set up on support 1, thrust bearing seat 11 and thrust self-aligning bearing 12 establish the top at ball screw 3 through lead screw nut cover 13 cover.

Preferably, the side of the bracket 1 remote from the fork 2 is provided with a diagonal brace 15.

Preferably, a sensor 17 is mounted on the side of the support 1 close to the linear guide 5 by a sensor fixing plate 16.

Preferably, the sensor fixing plate 16 is formed in an L-shape, the short side of the sensor fixing plate 16 is fixed to the bracket 1, and the long side of the sensor fixing plate 16 is connected with the sensor 17.

Preferably, the sensors 17 are arranged at the lowest end and the highest end of the limit of the linear guide rail 5.

The utility model has the advantages that: simple structure, convenient operation prevents the pin hole, and stability is high, easy operation, long service life.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

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

fig. 3 is a left side view of the present invention;

fig. 4 is a top view of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a support; 2. a fork lever; 3. a ball screw; 4. a motor and a speed reducer; 5. a linear guide rail; 6. A slider; 7. an L-shaped connecting frame; 8. a lead screw nut fixing frame; 9. a pin shaft; 10. a feed screw nut; 11. a thrust bearing seat; 12. a thrust self-aligning bearing; 13. a screw rod nut sleeve; 14. a motor support frame; 15. bracing; 16. a sensor fixing sheet; 17. a sensor.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1-4, the present invention comprises: the device comprises a support 1 and a fork rod 2 vertically arranged at the bottom of the support 1, wherein a ball screw 3 is vertically arranged on one side of the support 1 close to the fork rod 2, the bottom of the ball screw 3 is connected to the fork rod 2 through a fixing device, and the top of the ball screw 3 is arranged on a motor and a speed reducer 4 through a thrust adjusting part;

In use, utilize motor and speed reducer 4 to play the rotation effect to ball screw 3, under the drive of lead screw, the fork arm slowly rises and descends, utilizes the combination of the linear guide and the slider that both sides set up, prevents that the lead screw from producing other holes to the round pin axle in the motion process, plays stable effect.

In this embodiment, the fixing device preferably includes an L-shaped connecting frame 7 integrated with the fork rod 2, a lead screw nut fixing frame 8, and a pin shaft 9, the lead screw nut fixing frame 8 is inserted on the L-shaped connecting frame 7 and locked by two sides of the pin shaft 9, and a lead screw nut 10 inserted with the ball screw 3 is further fixedly mounted on the top of the lead screw nut fixing frame 8.

The structure is arranged, so that the bottom of the screw rod nut 10 is fixed, and a certain stabilizing effect is achieved.

In this implementation preferably, the thrust adjusting part includes that the concentric sleeve establishes thrust bearing seat 11 and thrust self-aligning bearing 12 to and lead screw nut cover 13, motor support frame 14 erects in motor and speed reducer 4 bottoms, fixes at support 1 top, thrust bearing seat 11 and thrust self-aligning bearing 12 all set up in motor support frame 14, one side of thrust bearing seat 11 and thrust self-aligning bearing 12 is set up on support 1, thrust bearing seat 11 and thrust self-aligning bearing 12 establish the top at ball screw 3 through lead screw nut cover 13 cover.

Set up above-mentioned structure, play the protection and the supporting role to the motor on the one hand, on the other hand also plays the guard action for thrust bearing frame 11 and the thrust self-aligning bearing 12 of lead screw, improves life.

In the present embodiment, the side of the bracket 1 facing away from the fork 2 is preferably provided with a brace 15.

With the above structure, the support effect of the bracket 1 is achieved by the inclined strut 15, i.e., the stability is better.

In the present embodiment, a sensor 17 is preferably attached to the side of the carriage 1 close to the linear guide 5 via a sensor fixing piece 16.

In this embodiment, it is preferable that the sensor fixing piece 16 is formed in an L-shape, a short side of the sensor fixing piece 16 is fixed to the bracket 1, and a long side of the sensor fixing piece 16 is connected to the sensor 17.

In this embodiment, it is preferable that the sensors 17 are installed at the lowest end and the highest end of the limit of the linear guide 5.

With the above structure, the sensor 17 arranged up and down plays a role in warning the highest point and the lowest point.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The screw lifting device is characterized by comprising a support (1) and a fork rod (2) vertically arranged at the bottom of the support (1), wherein a ball screw (3) is vertically arranged on one side, close to the fork rod (2), of the support (1), the bottom of the ball screw (3) is connected to the fork rod (2) through a fixing device, and the top of the ball screw (3) is arranged on a motor and a speed reducer (4) through a thrust adjusting piece;

the support is characterized in that a linear guide rail (5) is mounted on the vertical side face, close to the fork rod (2), of the support (1) through a bolt, a sliding block (6) is movably arranged on the linear guide rail (5), and the sliding block (6) is integrally arranged on the fork rod (2) below.

2. The screw lifting device according to claim 1, wherein: the fixing device comprises an L-shaped connecting frame (7) integrated with the fork rod (2), a screw nut fixing frame (8) and a pin shaft (9), the screw nut fixing frame (8) is inserted on the L-shaped connecting frame (7) and locked on two sides through the pin shaft (9), and a screw nut (10) inserted with the ball screw (3) is fixedly mounted at the top of the screw nut fixing frame (8).

3. The screw lifting device according to claim 2, wherein: thrust adjusting part includes thrust bearing frame (11) and thrust self-aligning bearing (12) of establishing with one heart cover to and lead screw nut cover (13), motor support frame (14) are erect in motor and speed reducer (4) bottom, fix at support (1) top, thrust bearing frame (11) and thrust self-aligning bearing (12) all set up in motor support frame (14), set up on support (1) thrust bearing frame (11) and one side of thrust self-aligning bearing (12), thrust bearing frame (11) and thrust self-aligning bearing (12) are established at the top of ball screw (3) through lead screw nut cover (13) cover.

4. The screw lifting device according to claim 3, wherein: and one side of the bracket (1) far away from the fork rod (2) is provided with an inclined strut (15).

5. The screw lifting device according to claim 4, wherein: and a sensor (17) is arranged on one side of the support (1) close to the linear guide rail (5) through a sensor fixing piece (16).

6. The screw lifting device according to claim 5, wherein: the sensor fixing piece (16) is L-shaped, the short side of the sensor fixing piece (16) is fixed on the support (1), and the long side of the sensor fixing piece (16) is connected with a sensor (17).

7. The screw lifting device according to claim 6, wherein: and the lowest end and the highest end of the linear guide rail (5) for limiting are both provided with sensors (17).