Hydraulic lifting mechanism of self-lifting AGV (Automatic Guided Vehicle)

Abstract

The utility model relates to the technical field of AGVs (Automatic Guided Vehicles), and discloses a hydraulic lifting mechanism for a self-lifting AGV, which comprises a base, a rotating seat and a lifting plate, the base, the rotating seat and the lifting plate are all of disc-shaped structures, and the central axes of the base, the rotating seat and the lifting plate coincide with one another; the rotating seat is mounted at the upper part of the rotating shaft; a driving groove is formed in the upper part of the rotating seat, the driving groove is a sinking groove, and a sleeve is arranged in the center of the driving groove; a push rod is arranged on the lower portion of the lifting and stretching plate, a hydraulic rod is installed in the sleeve, and the push rod is in butt joint with the sleeve and connected with the push rod in the sleeve. According to the lifting mechanism, the upper lifting plate can move up and down through the hydraulic rod, meanwhile, the lifting plate can rotate in the horizontal direction along with the rotating base, and therefore angle change is achieved; the device is simple in overall structure, reasonable in design and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to AGV dolly technical field more specifically, the utility model relates to a kind of self-lifting AGV dolly hydraulic lifting mechanism. BACKGROUND

[0002] AGV (Automated Guided Vehicle, for short AGV dolly) is a kind of intelligentized automatic transport trolley that can replace manual operation, and needs to be lifted off the ground in the process of carrying, so AGV robot is generally designed with lifting mechanism, commonly used lifting mechanism has lifting form based on screw and lifting form based on parallelogram linkage, it not only can save manpower and reduce cost, but also has high efficiency, fast, flexible and other advantages, greatly improve production efficiency and automation degree, so that AGV has become one of the main equipment of logistics transport carrier. The lifting plate of the existing AGV dolly is inconvenient to adjust the direction when lifting, which hinders the use. UTILIT Y MODEL CONTENT

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a kind of self-lifting AGV dolly hydraulic lifting mechanism.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of self-lifting AGV dolly hydraulic lifting mechanism, comprising: base, rotating seat and lifting plate, the base, rotating seat, lifting plate three are disc-shaped structure, and the central axis of three mutually coincides;Rotary shaft is arranged on the upper portion of the base, and the rotating seat is installed on the upper portion of rotary shaft;Driving groove is arranged on the upper portion of the rotating seat, the driving groove is a sunk groove, and a sleeve is arranged at the center position of the driving groove;Push rod is arranged on the lower portion of the lifting plate, hydraulic rod is installed in the sleeve, the push rod is mutually docked with the sleeve, and is connected with the hydraulic rod in the sleeve.

[0005] As a preferred technical scheme of the utility model, a guide cylinder is arranged in the driving groove, a guide rod is arranged on the lower portion of the lifting plate, and the guide rod is inserted into the guide cylinder in correspondence;The guide cylinder is arranged in the driving groove in annular array.

[0006] As a preferred technical scheme of the utility model, a rotating motor is embedded in the base, and the rotary shaft is connected with the output end of the rotating motor;The hydraulic rod is driven by the hydraulic system arranged in the sleeve.

[0007] As a preferred technical scheme of the utility model, support groove is arranged on the lower portion of the rotating seat, and the support groove is arranged as an annular groove;Support roller is arranged on the upper portion of the base, and the support roller is installed on the support through shaft on both sides, and the support is fixedly connected with the base.

[0008] As a preferred technical scheme of the utility model, the support roller is arranged in multiple groups in annular array around the middle axis of the rotating seat, and a buffer sleeve is arranged at the middle position of the support roller, and the buffer sleeve is arranged as a convex arc structure.

[0009] As a preferred technical scheme of the utility model, the lifting plate upper surface is provided with several layers of concentric circular buffer belts, and the buffer belts are made of rubber material.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows: the lifting mechanism provided by the utility model realizes the up-down movement of the upper lifting plate through the hydraulic rod, and the lifting plate can rotate in the horizontal direction along with the rotating seat, so that the angle is changed; the device has simple overall structure, reasonable design and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a structural schematic view of the utility model;

[0012] Fig. 2 It is a structural schematic view of the rotating seat of the utility model;

[0013] Fig. 3 It is a structural schematic view of the support roller of the utility model;

[0014] Fig. 4 It is a structural schematic view of the support groove of the utility model;

[0015] In the drawing: 1, base; 11, rotating shaft; 2, rotating seat; 21, driving groove; 22, sleeve; 23, guide cylinder; 24, hydraulic rod; 25, support groove; 3, lifting plate; 31, buffer belt; 4, support roller; 41, support; 42, buffer sleeve. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] As Figs. 1 to 4The utility model provides a kind of from lifting AGV dolly hydraulic lifting mechanism, including: base 1, rotating seat 2 and lifting plate 3, the base 1, rotating seat 2, lifting plate 3 three are disc-like structure, and three central axes coincide with each other;Rotary shaft 11 is provided on the upper portion of base 1, rotating seat 2 is installed on rotary shaft 11 upper portion;Driving groove 21 is provided on the upper portion of rotating seat 2, the driving groove 21 is sunk groove, and sleeve 22 is provided at the center position of the driving groove 21;The lower portion of lifting plate 3 is provided with push rod, hydraulic rod 24 is installed in sleeve 22, the push rod and sleeve 22 are mutually docked, and are connected with hydraulic rod 24 in sleeve 22.

[0018] Rotating seat 2 can be rotated by rotary shaft 11, so that rotating seat 2, lifting plate 3 jointly rotate to change the direction of lifting plate 3;Lifting plate 3 is docked with hydraulic rod 24 in sleeve 22 through the push rod in lower portion, and is moved up and down under the driving of hydraulic rod 24, to meet the lifting demand.

[0019] Wherein, driving groove 21 is provided with guide cylinder 23, guide rod is provided at the lower portion of lifting plate 3, and the guide rod is inserted into guide cylinder 23 correspondingly;Guide cylinder 23 is distributed in annular array in driving groove 21.

[0020] The docking of guide rod and guide cylinder 23 can keep the direction of lifting plate 3 constant during up and down movement, avoid deviation, reduce the burden of axial force on push rod and prolong service life.

[0021] Wherein, rotating motor is embedded in base 1, rotary shaft 11 is connected with the output end of rotating motor;Hydraulic rod 24 is driven by hydraulic system arranged in sleeve 22.

[0022] Rotary shaft 11 is rotated by rotating motor, and hydraulic rod 24 is adjusted in extension and retraction by hydraulic system.

[0023] Wherein, rotating seat 2 is provided with support groove 25 at lower portion, and support groove 25 is arranged as annular groove;Support roller 4 is provided at the upper portion of base 1, support roller 4 is installed on support frame 41 through pivot on both sides, and support frame 41 is fixedly connected with base 1.Support roller 4 is arranged in multiple groups in annular array around the central axis of rotating seat 2, and buffer sleeve 42 is arranged at the middle position of support roller 4, and buffer sleeve 42 is arranged as convex arc structure.

[0024] The existence of support groove 25 can be used in cooperation with support roller 4, support roller 4 is fixedly installed on base 1 through support frame 41, and buffer sleeve 42 is abutted against support groove 25, to abut against rotating seat 2 from the side, to support rotating seat 2.

[0025] The upper surface of the lifting plate 3 is provided with several layers of concentric circular buffer belts 31 made of rubber.

[0026] The buffer belts 31 can avoid the rigid contact between the lifting plate 3 and the lifted article, and have the buffering protection effect.

[0027] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydraulic lifting mechanism of a self-lifting AGV trolley, characterized in that, It include base (1), rotating seat (2) and lifting plate (3), the base (1), rotating seat (2), lifting plate (3) are all disc-like structure, and the central axis of three coincide with each other;The upper part of the base (1) is provided with rotating shaft (11), the rotating seat (2) is installed on the upper part of rotating shaft (11);The upper part of rotating seat (2) is provided with driving groove (21), the driving groove (21) is a sunken groove, and the sleeve (22) is arranged at the center position of the driving groove (21);The lower part of the lifting plate (3) is provided with push rod, the sleeve (22) is provided with hydraulic rod (24), the push rod and sleeve (22) are mutually docked, and are connected with hydraulic rod (24) in sleeve (22).

2. The hydraulic lifting mechanism of the self-lifting AGV according to claim 1, characterized in that: The driving groove (21) is provided with guide cylinder (23), the lower part of lifting plate (3) is provided with guide rod, the guide rod is inserted into the guide cylinder (23) correspondingly;The guide cylinder (23) is arranged in the driving groove (21) in annular array.

3. The hydraulic lifting mechanism of the self-lifting AGV according to claim 1, characterized in that: The base (1) is inlaid with rotating motor, the rotating shaft (11) is connected with the output end of rotating motor;The hydraulic rod (24) is driven by the hydraulic system arranged in sleeve (22).

4. The hydraulic lifting mechanism of the self-lifting AGV according to claim 1, characterized in that: The lower part of the rotating seat (2) is provided with support groove (25), the support groove (25) is arranged as an annular groove;The upper part of the base (1) is provided with support roller (4), the both sides of support roller (4) are installed on support frame (41) through rotating shaft, the support frame (41) is fixedly connected with base (1).

5. The self-lifting AGV hydraulic lifting mechanism according to claim 4, characterized in that: The support roller (4) is arranged in multiple groups around the central axis of rotating seat (2) in annular array, and the middle position of support roller (4) is provided with buffer sleeve (42), the buffer sleeve (42) is arranged as convex arc structure.

6. The hydraulic lifting mechanism of a bootstrap AGV according to claim 1, characterized in that: The upper surface of the lifting plate (3) is provided with several layers of concentric circular buffer belts (31), and the buffer belts (31) are made of rubber material.

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