CN114408813A

CN114408813A - Jacking mechanism

Info

Publication number: CN114408813A
Application number: CN202210036755.1A
Authority: CN
Inventors: 黄远飞; 张喜斌; 莫馥榴; 李德权; 杨舒婷
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-04-29

Abstract

The invention discloses a jacking mechanism which comprises a driving structure and a floating disc, wherein the driving structure is connected with a transmission structure, the transmission structure is connected with a lifting structure, the lifting structure is connected with the floating disc, a guide structure is arranged on the floating disc, the driving structure drives the transmission structure to rotate, and the lifting structure jacks up the floating disc so as to enable the floating disc to move up and down along the guide structure. The jacking mechanism provided by the invention has the advantages that the floating disc is in spherical contact with the contact ball, so that the sliding of the upper floating disc in jacking and descending is realized, and the phenomenon of blocking is prevented.

Description

Jacking mechanism

Technical Field

The invention belongs to the technical field of mechanical devices, and particularly relates to a jacking mechanism.

Background

An AGV, a short name of an Automated Guided Vehicle, is a transport Vehicle equipped with an electromagnetic or optical automatic guide device, capable of traveling along a predetermined guide path, having safety protection and various transfer functions, and using a rechargeable battery as a power source. AGV carts are typically used to dive into the bottom of a rack and jack up the rack with their own jacking device to transport the rack.

Present formula of hiding AGV can arrange climbing mechanism usually, and traditional climbing mechanism adopts oil free bush and guide bar cooperation, realizes mechanism elevating movement, but this kind of mode often can lead to the mounting hole straightness that hangs down not up to standard to lead to the mechanism to hold back because of machining error to die, or the mounting hole is too big to lead to the mechanism not hard up.

Therefore, it is desirable to design a jacking mechanism to solve the problem that the jacking mechanism is easily locked during the lifting process.

Disclosure of Invention

The invention provides a jacking mechanism for solving the problem that the jacking mechanism is easy to be blocked in the lifting process, and aims to prevent the phenomenon that the jacking mechanism is blocked.

In order to achieve the purpose, the specific technical scheme of the jacking mechanism is as follows:

the jacking mechanism comprises a driving structure and a floating disc, wherein the driving structure is connected with a transmission structure, the transmission structure is connected with a lifting structure, the lifting structure is connected with the floating disc, a guide structure is arranged on the floating disc, the driving structure drives the transmission structure to rotate, and the lifting structure jacks up the floating disc so that the floating disc can move up and down along the guide structure.

Furthermore, a groove is formed in the floating disc, the lifting structure comprises a spherical structure, and the spherical structure is in contact with the groove in the floating disc, so that the floating disc is in spherical contact with the lifting structure, and the floating disc is prevented from being clamped.

Further, the spherical structure is a contact ball, the contact ball is connected with the screwing part, and the screwing part rotates to enable the contact ball to be abutted against the floating disc.

Further, the screwing part comprises a connecting seat, an internal thread is arranged in the connecting seat, a screw is screwed in the internal thread, and the screw is connected with the connecting piece.

Furthermore, the lifting structures are symmetrically arranged on two sides of the floating disc, so that the floating disc is stably jacked up by the lifting structures.

Further, still include the mounting panel, drive structure includes the motor, and the motor setting is on the fixing base, and the fixing base setting is on the mounting panel.

Further, the transmission structure comprises a chain, a chain wheel is arranged on the chain, and the driving structure drives the chain and the chain wheel to drive.

Furthermore, the transmission structure also comprises a transmission shaft, and the chain wheel drive the transmission shaft to rotate.

Further, a coupler is arranged on the transmission shaft, and the transmission shaft rotates to drive the coupler to rotate.

Further, the guide structure comprises a guide rail, guide wheels are arranged in the guide rail, and the guide wheels move in the guide rail so as to lift the floating disc.

The jacking mechanism provided by the invention has the following advantages that:

the jacking mechanism provided by the invention has the advantages that the floating disc is in spherical contact with the contact ball, so that the sliding of the upper floating disc in jacking and descending is realized, and the phenomenon of blocking is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a jacking mechanism of the present invention;

fig. 2 is a schematic side view of a jacking mechanism according to the present invention.

The notation in the figure is:

101. a floating disk; 102. a connecting member; 103. a lifting structure; 104. a guide wheel; 105. a guide rail; 201. a motor; 202. a drive shaft; 203. a coupling is provided.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The following describes a jack mechanism of the present invention with reference to fig. 1 to 2.

The lifting mechanism provided by the invention is usually used together with an AGV trolley, the AGV is a transport vehicle which is provided with an automatic guide device such as an electromagnetic device or an optical device, can run along a specified guide path, has safety protection and various transfer functions, and takes a rechargeable storage battery as a power source. AGV carts are typically used to dive into the bottom of a rack and jack up the rack with their own jacking device to transport the rack. Traditional climbing mechanism adopts oilless bush and guide bar cooperation, realizes mechanism elevating movement, but this kind of mode often can lead to the mounting hole straightness that hangs down not up to standard to lead to the mechanism to hold back because of machining error to die, or the mounting hole is too big to lead to the mechanism to become flexible. According to the jacking mechanism provided by the embodiment of the invention, the floating disc 101 is in spherical contact with the contact ball to drive the floating disc 101 to jack, and finally, the floating disc 101 is in contact with the material rack to jack the material rack.

Further, the jacking mechanism provided by the embodiment of the invention comprises a driving structure and a floating disc 101, wherein the driving structure is connected with a transmission structure, the transmission structure is connected with a lifting structure 103, the lifting structure 103 is connected with the floating disc 101, the floating disc 101 is provided with a guide structure, the driving structure drives the transmission structure to rotate, and the lifting structure 103 jacks up the floating disc 101 so as to enable the floating disc 101 to move up and down along the guide structure.

Furthermore, a groove is formed in the floating disc 101, the lifting structure 103 includes a spherical structure, and the spherical structure is in contact with the groove in the floating disc 101, so that the floating disc 101 is in spherical contact with the lifting structure 103, and the floating disc 101 is prevented from being stuck. The spherical structure herein may be any structure as long as the structure has a spherical structure, and the specific form of the spherical structure is not specifically limited herein.

Preferably, the lifting structure 103 comprises a contact ball connected to a screw that rotates to bring the contact ball into abutment with the floating disc 101. The specific contact ball is a spherical structure, and of course, the form of the contact ball may also be an arc structure, as long as the floating disc 101 can be in spherical contact with the spherical structure, and the contact is not specifically limited herein.

Further, the screwing part comprises a connecting seat, an internal thread is arranged in the connecting seat, a screw is screwed in the internal thread, and the screw is connected with the connecting piece 102.

Further, the lifting structures 103 are symmetrically arranged on both sides of the floating disk 101, so that the lifting structures 103 can stably lift up the floating disk 101. The lifting structures 103 are disposed on two opposite sides of the floating disc 101, and the number of the lifting structures 103 is not specifically limited, as long as the floating disc 101 can be lifted stably.

Further, still include the mounting panel, drive structure includes motor 201, and motor 201 sets up on the fixing base, and the fixing base setting is on the mounting panel. The transmission structure comprises a chain, a chain wheel is arranged on the chain, and the driving structure drives the chain and the chain wheel to transmit. The transmission mode of the transmission structure may be a chain and sprocket transmission, a belt transmission, a ball screw transmission, etc., and is not specifically limited herein, but only specifically described with reference to the preferred chain and sprocket transmission.

Further, the transmission structure further comprises a transmission shaft 202, and the transmission shaft 202 is driven to rotate by the chain and sprocket transmission. The transmission shaft 202 is provided with a coupler 203, and the transmission shaft 202 rotates to drive the coupler 203 to rotate. The guiding structure comprises a guide rail 105, guide wheels 104 are arranged in the guide rail 105, and the guide wheels 104 move in the guide rail 105 to lift the floating disc 101. The guiding structure may be provided in other forms, and only the guiding wheel 104 provided in the guiding rail 105 is specifically illustrated herein, and other guiding structures are within the scope of the present invention.

The specific working process of the jacking mechanism provided by the embodiment of the invention is as follows: after the AGV trolley moves to the bottom of the shelf to confirm the position, the motor 201 starts to rotate, the transmission shaft 202 rotates through chain transmission of the chain wheels, and the couplers 203 at the two ends of the transmission shaft 202 also rotate at the same time. The torque force is transmitted to the lifting structure 103, the lifting structure 103 converts horizontal rotation into up-and-down motion, the contact ball structure is driven to move up and down, and the guide wheel 104 is matched with the guide rail 105 in the up-and-down motion process to realize the up-and-down motion guide of the jacking mechanism. Meanwhile, the jacking contact ball is in spherical contact with the floating disc 101 to drive the floating disc 101 to jack, and finally the floating disc 101 is in contact with the material rack to jack the material rack.

According to the jacking mechanism provided by the invention, the floating disc 101 is in spherical contact with the contact ball, so that the sliding of the upper floating disc 101 in jacking and descending is realized, and the phenomenon of blocking is prevented.

In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The jacking mechanism is characterized by comprising a driving structure and a floating disc, wherein the driving structure is connected with a transmission structure, the transmission structure is connected with a lifting structure, the lifting structure is connected with the floating disc, a guide structure is arranged on the floating disc, the driving structure drives the transmission structure to rotate, and the lifting structure jacks up the floating disc so that the floating disc can move up and down along the guide structure.

2. The jacking mechanism of claim 1, wherein the floating disc is provided with a groove, and the lifting structure comprises a spherical structure, and the spherical structure is in contact with the groove on the floating disc, so that the floating disc is in spherical contact with the lifting structure to prevent the floating disc from being stuck.

3. The jacking mechanism of claim 2, wherein the spherical structure is a contact ball, the contact ball being connected to a screw that rotates to bring the contact ball into abutment with the floating disc.

4. The jacking mechanism of claim 3, wherein the tightening part comprises a connecting seat, an internal thread is arranged in the connecting seat, a screw is screwed in the internal thread, and the screw is connected with the connecting piece.

5. The jacking mechanism according to claim 1, wherein the lifting structures are symmetrically arranged on two sides of the floating disc, so that the lifting structures can stably jack up the floating disc.

6. The jacking mechanism of claim 1, further comprising a mounting plate, wherein the driving structure comprises a motor, the motor is disposed on a fixed seat, and the fixed seat is disposed on the mounting plate.

7. The jacking mechanism of claim 1, wherein the transmission structure comprises a chain, a sprocket is disposed on the chain, and the driving structure drives the chain to sprocket.

8. The jacking mechanism of claim 7, wherein the transmission structure further comprises a transmission shaft, and the chain sprocket drive drives the transmission shaft to rotate.

9. The jacking mechanism of claim 8, wherein the drive shaft is provided with a coupling, and rotation of the drive shaft drives the coupling to rotate.

10. The lift mechanism of claim 1, wherein the guide structure comprises a guide track having guide wheels disposed therein, the guide wheels being movable within the guide track to lift the floating plate.