CN215798209U

CN215798209U - Trolley lifting device

Info

Publication number: CN215798209U
Application number: CN202121298388.XU
Authority: CN
Inventors: 朱刚; 秦鹏飞
Original assignee: Suzhou Harmontronics Automation Technology Co Ltd
Current assignee: Suzhou Harmontronics Automation Technology Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-11
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a trolley lifting device, which comprises a base and a lifting plate arranged above the base, wherein a scissor-shaped lifting frame is arranged between the base and the lifting plate, the bottom and the top of the lifting frame are respectively arranged on the base and the lifting plate in a sliding manner, a rotating shaft is arranged between every two adjacent lifting frames, and a rotating wheel is arranged on the rotating shaft in a pivot manner; an inclined block is further arranged on the base in a sliding mode, and the inclined surface of the inclined block is always abutted to the outer circumferential surface of the rotating wheel. The utility model has the following beneficial effects: the device has a delicate structure, can lift workpieces to be lifted at different height positions, and has a more flexible lifting mechanism and a wider application range; meanwhile, a large lifting force can be obtained through a low-power transmission motor, and the enterprise cost can be reduced to the greatest extent. In addition, the device is more compact and smaller in size.

Description

Trolley lifting device

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a trolley lifting device.

Background

An AGV (automatic guided vehicle) trolley is one of main equipment for automation of factory and warehouse material handling, particularly in the field of automobile production, and a plurality of AGVs are introduced to be used in the production process, so that the AGV trolley has the characteristics of high efficiency, quickness and flexibility.

In recent years, the automobile industry in China is rapidly developed, autonomous branded automobiles are rapidly developed, along with the change from traditional energy automobiles to new energy automobiles, old automobile production lines are upgraded and modified, new automobile production lines are put into production and built, and in the automobile production line link, the combination of an automobile engine and a gearbox is an important process in the automobile production process. How to improve production efficiency, satisfy the production of the combination dress of different model engines and gearbox is the problem that needs to solve at present urgently. Wherein the AGV dolly undertakes important responsibility in this process, and the AGV moves to engine on-line station and carries the engine to the gearbox on-line station.

For example, chinese patent No. CN111717837A discloses a double lifting mechanism and an AGV cart having the same, wherein the double lifting mechanism includes a mounting base having a first mounting slot therein; the first lifting part is arranged in the first mounting groove, and a first lifting platform is arranged at the top end of the first lifting part; an engine clamp is arranged on one side of the first lifting platform, and a second mounting groove is formed on the opposite side of the first lifting platform; the second lifting part is arranged in the second mounting groove, and a gearbox clamp is arranged above the second lifting part; the second lifting part can drive the gearbox clamp to be in butt joint with the engine clamp and complete the combination of the engine and the gearbox. However, the above patent requires a motor with large power to lift, and the motor with large power is expensive, which increases the cost of the enterprise. In addition, the above structure is complicated and disadvantageous to the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a trolley lifting device.

The purpose of the utility model is realized by the following technical scheme:

a trolley lifting device comprises a base and a lifting plate arranged above the base, wherein a shear-shaped lifting frame is arranged between the base and the lifting plate, the bottom and the top of the lifting frame are respectively arranged on the base and the lifting plate in a sliding manner, a rotating shaft is arranged between every two adjacent lifting frames, and a rotating wheel is arranged on the rotating shaft through a pivot; an inclined block is further arranged on the base in a sliding mode, and the inclined surface of the inclined block is always abutted to the outer circumferential surface of the rotating wheel.

Preferably, the lifting frame at least comprises scissors frames which are arranged in a crossed mode, and the middle points of the scissors frames are connected through a pin pivot.

Preferably, a lower sliding block is arranged at the bottom pivot of the scissor rack, a lower sliding rail is fixedly arranged on the base, and the lower sliding block is arranged on the lower sliding rail in a sliding manner.

Preferably, the pivot at the top of the scissor rack is provided with an upper sliding block, the lifting plate is fixedly provided with an upper sliding rail, and the upper sliding block is arranged on the upper sliding rail in a sliding manner.

Preferably, a guide rail is fixedly arranged on the base, a guide block matched with the guide rail is arranged on the guide rail, and the inclined block is fixedly arranged on the guide block.

Preferably, the base is provided with a self-rotating transmission screw rod, the transmission screw rod is provided with a transmission block matched with the transmission screw rod, and the transmission block is fixedly connected with the inclined block.

Preferably, a transmission motor is fixedly arranged on the base, and a motor shaft of the transmission motor is fixedly connected with the transmission screw rod through a connector.

Preferably, the two sides of the base are fixedly provided with rolling shafts, and the outer sides of the rolling shafts are provided with self-rotating ground rollers.

The utility model has the following beneficial effects: the device has a delicate structure, can lift workpieces to be lifted at different height positions, and has a more flexible lifting mechanism and a wider application range; meanwhile, a large lifting force can be obtained through a low-power transmission motor, and the enterprise cost can be reduced to the greatest extent. In addition, the device is more compact and smaller in size.

Drawings

The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:

FIG. 1: perspective view of a preferred embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in figure 1, the utility model discloses a trolley lifting device, which comprises a base 1 and a lifting plate 2 arranged above the base 1, wherein a scissor-shaped lifting frame 3 is arranged between the base 1 and the lifting plate 2, and the lifting frame 3 is positioned at two sides of the base 1. The bottom and the top of the lifting frame 3 are respectively arranged on the base 1 and the lifting plate 2 in a sliding manner, a rotating shaft 31 is arranged between every two adjacent lifting frames 3, and a rotating wheel 32 is arranged on the rotating shaft 31 in a pivot manner; an inclined block 33 is further arranged on the base 1 in a sliding mode, and the inclined surface of the inclined block 33 is always abutted to the outer circumferential surface of the rotating wheel 32. The lifting mechanism is exquisite in structure, the device can lift workpieces to be lifted at different height positions, the lifting mechanism is more flexible, and the application range is wider.

In the preferred embodiment, the lifting frame 3 at least comprises scissors frames 311 arranged crosswise, and the middle points of the scissors frames 311 are pivotally connected through a pin 312. A lower sliding block 319 is pivotally arranged at the bottom of the scissor rack 311, a lower sliding rail 313 is fixedly arranged on the base 1, and the lower sliding block 319 is slidably arranged on the lower sliding rail 313.

Further, an upper slide block 314 is pivotally disposed at the top of the scissor holder 311, an upper slide rail is fixedly disposed on the lifting plate 2, and the upper slide block 314 is slidably disposed on the upper slide rail. A guide rail 331 is fixedly arranged on the base 1, a guide block 332 matched with the guide rail 331 is arranged on the guide rail 331, and the inclined block 33 is fixedly arranged on the guide block 332.

The base 1 is provided with a self-rotating transmission screw rod 333, the transmission screw rod 333 is provided with a transmission block matched with the transmission screw rod 333, and the transmission block is fixedly connected with the inclined block 33. The base 1 is fixedly provided with a transmission motor 335, and a motor shaft of the transmission motor 335 is fixedly connected with a transmission screw 333 through a connector 336. In the preferred embodiment, the control precision can be improved by adopting the transmission screw rod for control, and in addition, a large lifting force can be obtained by a small-power transmission motor, so that the enterprise cost can be reduced to the greatest extent. In addition, the device is more compact and smaller in size.

In the preferred embodiment, two sides of the base 1 are fixedly provided with rollers 34, and the outer sides of the rollers 34 are provided with rotatable ground rollers 35.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. Dolly lifting devices includes base (1) and sets up lifting plate (2) above it, its characterized in that: a scissor-shaped lifting frame (3) is arranged between the base (1) and the lifting plate (2), the bottom and the top of the lifting frame (3) are respectively arranged on the base (1) and the lifting plate (2) in a sliding manner, a rotating shaft (31) is arranged between every two adjacent lifting frames (3), and a rotating wheel (32) is arranged on the rotating shaft (31) in a pivot manner; still slide on base (1) and be equipped with one sloping block (33), the inclined plane of sloping block (33) all the time with the outer periphery butt of runner (32).

2. The cart lifting device of claim 1, wherein: the lifting frame (3) at least comprises scissor frames (311) which are arranged in a crossed mode, and the middle points of the scissor frames (311) are in pivot connection through bolts (312).

3. The cart lift apparatus of claim 2, wherein: a lower sliding block (319) is arranged at the bottom of the scissor rack (311) in a pivot mode, a lower sliding rail (313) is fixedly arranged on the base (1), and the lower sliding block (319) is arranged on the lower sliding rail (313) in a sliding mode.

4. The cart lift apparatus of claim 2, wherein: an upper sliding block (314) is arranged at the pivot of the top of the scissor rack (311), an upper sliding rail is fixedly arranged on the lifting plate (2), and the upper sliding block (314) is arranged on the upper sliding rail in a sliding manner.

5. The cart lifting device of claim 1, wherein: the base (1) is fixedly provided with a guide rail (331), the guide rail (331) is provided with a guide block (332) matched with the guide rail, and the inclined block (33) is fixedly arranged on the guide block (332).

6. The cart lifting device of claim 5, wherein: the base (1) is provided with a self-rotating transmission screw rod (333), the transmission screw rod (333) is provided with a transmission block matched with the transmission screw rod, and the transmission block is fixedly connected with the inclined block (33).

7. The cart lifting device of claim 6, wherein: the base (1) is fixedly provided with a transmission motor (335), and a motor shaft of the transmission motor (335) is fixedly connected with a transmission screw rod (333) through a connector (336).

8. The cart lifting device of claim 7, wherein: the roller bearing (34) is fixedly arranged on two sides of the base (1), and a rotatable ground roller (35) is arranged on the outer side of the roller bearing (34).