CN217323233U

CN217323233U - Platform lifting device

Info

Publication number: CN217323233U
Application number: CN202220229635.9U
Authority: CN
Inventors: 曾志超; 张岚; 龚屹东
Original assignee: Shanghai Fenchuang Information Technology Co ltd
Current assignee: Shanghai Fenchuang Information Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-30
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to the technical field of lifting devices, in particular to a platform lifting device, a lifting platform is arranged on a lifting base, the lifting base is connected in the base in a sliding manner, the lifting driving piece is arranged on one side of the lifting base, the output end of the lifting driving piece is provided with a wedge-shaped block, the bottom of the lifting base is provided with a wedge-shaped sliding surface matched with the wedge-shaped block, the wedge-shaped block is connected with a pulley in a rotating manner, the pulley is connected with the wedge-shaped block in a rolling manner, the wedge-shaped block is matched with the pulley to drive the lifting base to realize lifting action, the traditional sliding transmission is changed into rolling transmission, the friction force between the lifting base and the wedge-shaped block is reduced, the transmission resistance is reduced, the transmission sensitivity is improved, the base is provided with the wedge-shaped block guide rod which is matched with the slide block to drive the wedge-shaped block to slide on the wedge-shaped block guide rod, so that the stability of the wedge-shaped block in the sliding process is ensured, two sets of guide blocks are symmetrically arranged on the lifting base and matched with the lifting guide post to keep the stability of the lifting process.

Description

Platform lifting device

Technical Field

The utility model relates to a elevating gear technical field especially relates to a platform elevating gear.

Background

The existing lifting platforms adopt a working platform and a wedge-shaped block inclined plane for sliding connection in the lifting process; the wedge block is axial displacement under the drive of lead screw, do elevating movement through inclined plane drive workstation, this kind of motion mode is down because inclined plane slip friction in-process can produce the loss, and great frictional resistance, this just makes equipment use the back for a long time, because the wearing and tearing that frictional force leads to make whole equipment precision reduce, and the vibration that produces in friction in-process in addition, also influential to the control of lifting precision, transmission resistance just needs bigger step motor to drive greatly, then also can exert an influence to lift stability.

Therefore, a platform lifting device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, an object of the present invention is to provide a platform lifting device for solving the problem of large sliding friction transmission resistance in the lifting process of the conventional lifting device in the prior art.

For above-mentioned purpose and other relevant purpose realize, the utility model provides a platform elevating gear, including lift driving piece, base, lift platform and lift base, lift platform locates on the lift base, in the lift base sliding connection base, lift driving piece locates lift base one side, just lift driving piece output is equipped with the wedge, lift base bottom be equipped with wedge assorted wedge slip face, the wedge internal rotation is connected with the pulley, pulley and wedge roll connection.

In an embodiment of the utility model, it is equipped with the wedge guide bar to go up and down to drive an output in the base, wedge sliding connection is on the wedge guide bar, go up and down to drive and be equipped with the slider between an output and the wedge, slider sliding connection is on the guide bar, the slider is connected on the wedge.

In an embodiment of the utility model, be equipped with the lift guide post on the base, be equipped with the guide block on the lift base, sliding connection between guide block and the lift guide post.

In an embodiment of the present invention, the wedge-shaped sliding surface and the wedge block are arranged in a gap.

In an embodiment of the utility model, the base goes up and falls the base bilateral symmetry and is equipped with two sets of lift guide posts, the symmetry is equipped with two sets of guide blocks on the lift base, sliding connection between guide block and the lift guide post.

In an embodiment of the present invention, the lifting driving member is transversely disposed on one side of the base, and the lifting driving member is a lifting motor.

As described above, the utility model discloses a lifting device has following beneficial effect:

1. through setting up wedge cooperation pulley and driving the elevating base and realize the lift action, become the rolling transmission with traditional slip transmission, reduced the frictional force between elevating base and the wedge, reduced the transmission resistance, improved the transmission sensitivity.

2. The wedge-shaped block is driven to slide on the wedge-shaped block guide rod by arranging the wedge-shaped block guide rod on the base and matching with the sliding block, so that the stability of the wedge-shaped block in the sliding process is ensured.

3. Two groups of guide blocks are symmetrically arranged on the lifting base and matched with the lifting guide columns to keep the stability in the lifting process.

Drawings

Fig. 1 is a schematic structural view of a lifting device disclosed in an embodiment of the present invention.

Fig. 2 is a schematic view of a guide block structure of a lifting device disclosed in an embodiment of the present invention.

Fig. 3 is a schematic structural view of a wedge block of a lifting device disclosed in an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a lifting device disclosed in an embodiment of the present invention.

Description of the element reference numerals

1-a lifting drive member; 2-a base; 3-wedge block guide rod; 4-a slide block; 5-a wedge-shaped block; 6-a pulley; 7-lifting the base; 8-lifting the platform; 9-lifting guide posts; 10-a guide block.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to fig. 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a lifting device, which is implemented by the following steps that when the lifting device is required to be used for lifting, the lifting driving member 1 transversely disposed at one side of the base 2 is used for driving, the lifting driving member 1 is a step motor, or other devices capable of achieving the same function as the step motor can be used instead, the lifting driving member 1 drives the slider 4 at the output end to slide on the wedge guide rod 3 disposed at the output end of the lifting driving member in the base 2, the slider 4 is connected to the wedge 5, the lifting driving member 1 drives the slider 4 to slide, thereby driving the wedge 5 to slide on the wedge guide rod 3, the pulley 6 connected with the wedge 5 in a rolling manner is arranged during the forward movement of the wedge 5, the wedge 5 pushes the pulley 6 to rotate during the sliding of the wedge 5 on the wedge guide rod 3, the pulley 6 drives the lifting base 7 to move upwards along with the movement of the wedge block 5, a wedge-shaped sliding surface matched with the wedge block 5 is arranged at the bottom of the lifting base 7, so that the wedge block 5 keeps movement stability in the movement process, a guide block 10 on the lifting base 7 is in sliding connection with a lifting guide post 9 on the base 2, and therefore the lifting base 7 is guaranteed not to generate transverse displacement deviation in the upward movement process and the stability and precision of longitudinal lifting are guaranteed, the pulley 6 is rotatably connected in the wedge block 5, the pulley 6 is in rolling connection with the wedge block 5, the lifting platform 8 is arranged on the lifting base 7, and the slider 4 is connected to the wedge block 5;

also can rise at base 2 and fall 7 bilateral symmetry and set up two sets of lift guide posts 9, the symmetry sets up two sets of guide blocks 10 on the lift base 7, the stability of lift base 7 lift in-process can be guaranteed to two sets of lift guide posts 9 and two sets of guide blocks 10 that the symmetry set up, wedge sliding surface and 5 clearance settings of wedge, the friction between wedge 5 and the lift base 7 has been avoided, make equipment still can keep corresponding stability even after long-time the use, drive the motion of lift base 7 and can reduce the transmission resistance through setting up 6 cooperation wedges 5 of pulley, improve the transmission sensitivity.

To sum up, the utility model discloses a set up wedge cooperation pulley and drive lifting pedestal and realize the lift action, become traditional slip transmission and roll the transmission, reduced the frictional force between lifting pedestal and the wedge, reduced the transmission resistance, improved the transmission sensitivity, it slides at the wedge guide bar to drive the wedge through setting up wedge guide bar cooperation slider at the base, has guaranteed the stability of wedge slip in-process, the symmetry sets up two sets of guide bar cooperation lift guide posts and can keep the stability of lift in-process on lifting pedestal. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. 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 the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a platform elevating gear, its characterized in that, includes lift driving piece, base, lift platform and lift base, lift platform locates on the lift base, in the lift base sliding connection base, lift driving piece locates lift base one side, just lift driving piece output is equipped with the wedge, lift base bottom be equipped with wedge assorted wedge sliding surface, the wedge internal rotation is connected with the pulley, pulley and wedge roll connection.

2. The platform lift mechanism of claim 1, wherein: the lifting drive device is characterized in that a wedge guide rod is arranged at the output end of the lifting drive device in the base, the wedge is connected to the wedge guide rod in a sliding mode, a sliding block is arranged between the output end of the lifting drive device and the wedge, the sliding block is connected to the guide rod in a sliding mode, and the sliding block is connected to the wedge.

3. The platform lift arrangement of claim 1, wherein: the lifting guide post is arranged on the base, the guide block is arranged on the lifting base, and the guide block is connected with the lifting guide post in a sliding mode.

4. The platform lift arrangement of claim 1, wherein: the wedge-shaped sliding surface and the wedge block are arranged in a clearance mode.

5. The platform lift mechanism of claim 1, wherein: the lifting base is characterized in that two groups of lifting guide posts are symmetrically arranged on two sides of the lifting base, two groups of guide blocks are symmetrically arranged on the lifting base, and the guide blocks are connected with the lifting guide posts in a sliding mode.

6. The platform lift arrangement of claim 1, wherein: the lifting driving piece is transversely arranged on one side of the base and is a stepping motor.