Heavy-load AGV (Automatic Guided Vehicle) with hydraulic suspension type wheel set

Abstract

The utility model discloses a heavy-load AGV with a hydraulic suspension type wheel set, and relates to the technical field of heavy industry transfer. The piston type hydraulic oil cylinders are equidistantly arranged on the front side and the rear side of the lower surface of the frame plate, the lower sides of the piston type hydraulic oil cylinders are rotationally connected with connecting flanges through bearings, and the connecting flanges are connected with heavy-load wheels; the lifting plates are embedded in rectangular holes formed in the frame plate at equal intervals, and the lifting plates are connected with the inner walls of the rectangular holes through lifting mechanisms; the connecting supporting plates are embedded in rectangular grooves in the two sides of the upper surface of the frame plate in a bilateral symmetry mode, a first connecting plate is fixed to the side wall, adjacent to the center of the frame plate, of each connecting supporting plate, and the other side of each first connecting plate is fixed to the lifting plate adjacent to the first connecting plate. The supporting mechanisms are arranged on the lower surfaces of the first connecting plates correspondingly and connected with the frame plate. The hydraulic oil cylinder is arranged, so that the stability of the heavy-load wheel during moving can be improved, and after the heavy-load wheel is moved to a proper position, the frame plate does not need to be separated from the heavy-load wheel, so that the overall stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heavy work transfer technical field, concretely relates to a heavy load AGV with hydraulic suspension type wheel group. BACKGROUND

[0002] The heavy load AGV transport vehicle is a transport tool for loading and transporting heavy parts or components, and the heavy load transport has the functions of automatic lifting, automatic guiding, operation control, anti-collision, operation prompting, omni-directional steering and adaptation to uneven ground, and when transporting, the parts to be transferred are heavy and have different heights, and the existing heavy load AGV transport vehicle can only adjust the overall height of the frame plate, thereby affecting the stability during overall transfer. INVENTION CONTENTS

[0003] The utility model discloses to the defects and insufficient of prior art, provide a design is reasonable, convenient to use's heavy load AGV with hydraulic suspension type wheel group, can effectively solve the defects of prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it contains frame plate and heavy load wheel, the front and rear sides of the lower surface of frame plate are equally spaced and provided with a plurality of heavy load wheels;It also contains:

[0005] Piston type hydraulic oil cylinder, the piston type hydraulic oil cylinder is a plurality of, and it is equally and equally spaced to set up on the front and rear sides of the lower surface of frame plate, and the lower side of piston type hydraulic oil cylinder is rotatably connected with connecting flange through bearing, and connecting flange is connected with heavy load wheel;

[0006] Guide rod, the guide rod is a plurality of, and it is fixed on the upper surface of connecting flange two by two left and right symmetrical, and the guide rod is inserted in frame plate;

[0007] Lifting plate, the lifting plate is a plurality of, and it is equally embedded in the rectangular hole on frame plate, and the lifting plate is connected with the inner wall of rectangular hole through lifting mechanism;

[0008] Connecting support plate, the connecting support plate is two, and it is embedded in the rectangular groove on the both sides of the upper surface of frame plate left and right symmetrical, and the connecting support plate is fixed with one connecting plate on the side wall adjacent to the center of frame plate, and the other side of one connecting plate is fixed on the lifting plate adjacent thereto;

[0009] Supporting mechanism, the supporting mechanism is two, and it is respectively arranged on the lower surface of one connecting plate, and the supporting mechanism is connected with frame plate;

[0010] Through the technical scheme, the component to be transported is placed on the frame plate, the frame plate is driven to move by the heavy load wheel, and in the moving process, buffering and damping are conducted by the piston type hydraulic oil cylinder, the overall stability is improved, after being moved to a suitable position, the lifting mechanism is started, the lifting mechanism drives the lifting plate to move upwards, the lifting plate drives the component to move upwards until a suitable height is reached, and the lifting plate moves upwards while driving the two side connecting support plates to move upwards through the No. 1 connecting plate, and the corresponding No. 1 connecting plate is supported by the supporting mechanism at the same time, so that the stability of the component is improved.

[0011] As a further improvement of the utility model, a No. 2 connecting plate is arranged between the adjacent two lifting plates and is embedded in the frame plate.

[0012] Through the technical scheme, the adjacent lifting plates can be conveniently connected, and the stability during lifting is further improved.

[0013] As a further improvement of the utility model, an anti-skid groove is arranged on the upper surface of the No. 1 connecting plate, the No. 2 connecting plate, the lifting plate and the frame plate; the phenomenon of sliding of the component during movement can be prevented.

[0014] As a further improvement of the utility model, the lifting mechanism comprises:

[0015] The lifting connecting rods are a plurality of, and are symmetrically arranged on the left and right and are rotatably connected through shafts and are rotatably connected to the front and rear sides of the lower surface of the lifting plate through the hinge seats, and the lifting connecting rods are located in the rectangular holes;

[0016] The moving blocks are a plurality of, and are symmetrically arranged in the rectangular holes, and the two side walls of the moving blocks are rotatably connected to the lower ends of the adjacent lifting connecting rods through shafts;

[0017] The bidirectional screws are a plurality of, and are rotatably connected in the rectangular holes through bearings one by one, the middle ends of the adjacent two bidirectional screws are connected through the synchronous wheel transmission assemblies, and the two ends of the bidirectional screws are rotatably connected to the corresponding moving blocks through threads;

[0018] The lifting motor is embedded and fixed in the frame plate, and the output shaft of the lifting motor is connected with one of the bidirectional screws through the synchronous wheel transmission assembly.

[0019] Through the technical scheme, the lifting motor is started, the lifting motor drives the two-way screw rod connected therewith to rotate through the synchronous wheel transmission assembly, the two-way screw rod drives the other two-way screw rod to rotate synchronously through the synchronous wheel transmission assembly, the two-way screw rod drives the moving blocks at two ends thereof to move, the moving blocks drive the lower end of the lifting connecting rod to move, the lower end of the lifting connecting rod moves, and the upper end of the lifting connecting rod drives the lifting plate to move up and down until the lifting plate reaches a suitable height.

[0020] As a further improvement of the utility model, the sliding block is rotatably connected to the lower end of the lifting connecting rod away from the moving block through a shaft, and the sliding block is slidably arranged in the sliding groove on the inner wall of the rectangular hole.

[0021] Through the technical scheme, the stability of the lifting connecting rod can be improved.

[0022] As a further improvement of the utility model, the support mechanism comprises:

[0023] The support connecting rod is embedded in the lower surface of the first connecting plate, one end of the support connecting rod is rotatably connected to the first connecting plate through a shaft, and the other end of the support connecting rod is rotatably connected to the support block through a hinged seat.

[0024] The limiting rack is embedded in the frame plate, and the limiting rack is located on the lower side of the sliding groove on the frame plate. The teeth on the limiting rack are in meshing arrangement with the tooth groove on the bottom wall of the support block. A plurality of abutting springs are fixed on the lower surface of the limiting rack.

[0025] The electric push rod is embedded in the frame plate in a front-rear symmetrical manner, and the piston rod of the electric push rod is in abutting arrangement with the protruding bracket on the two side walls of the limiting rack.

[0026] When the lifting plate moves up, the first connecting plate moves up, the one end of the support connecting rod moves up, and the other end of the support connecting rod moves in the frame plate through the hinged seat and the support block, so that the support block moves in the frame plate. In the process of moving, the limiting rack is pushed, and the limiting rack moves down. When the first connecting plate stops moving up, the elastic force of the abutting spring drives the limiting rack to move up, and the teeth on the limiting rack are inserted into the tooth groove on the lower side wall of the support block, so that the support block can be limited. When it is needed to move down, the electric push rod is started, the electric push rod drives the limiting rack to move down and separate from the support block, so as not to affect the movement of the support block, and the movement of the support connecting rod is facilitated.

[0027] Compared with the prior art, the beneficial effects of this utility model are as follows: The heavy-duty AGV with hydraulic suspension wheel set described in this utility model has a hydraulic cylinder, which can increase the stability of the heavy-duty wheels when moving. Moreover, after moving to a suitable position, there is no need to separate the frame plate from the heavy-duty wheels, thus improving the overall stability. This utility model has the advantages of reasonable design and low manufacturing cost. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of this utility model.

[0029] Figure 2 This is an exploded view of the present invention.

[0030] Figure 3 This is an exploded view of the lifting mechanism in this utility model.

[0031] Figure 4 This is an exploded view of the support mechanism in this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] Frame plate 1, rectangular hole 1-1, heavy-duty wheel 2, piston hydraulic cylinder 3, connecting flange 4, guide rod 5, lifting plate 6, lifting mechanism 7, lifting connecting rod 7-1, moving block 7-2, double-acting screw 7-3, lifting motor 7-4, connecting support plate 8, No. 1 connecting plate 9, support mechanism 10, support connecting rod 10-1, support block 10-2, limit rack 10-3, contact spring 10-4, electric push rod 10-5, No. 2 connecting plate 11, sliding block 12, anti-slip groove 13. Detailed Implementation

[0034] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example

[0035] like Figures 1-4 As shown, this embodiment includes a frame plate 1 and heavy-duty wheels 2. Several heavy-duty wheels 2 are equidistantly arranged on both the front and rear sides of the lower surface of the frame plate 1. It also includes:

[0036] Piston-type hydraulic cylinder 3, there are several piston-type hydraulic cylinders 3, and they are equally and equidistantly arranged on the front and rear sides of the lower surface of the frame plate 1. The lower side of the piston-type hydraulic cylinder 3 is screwed with a connecting flange 4 through a bearing, and the connecting flange 4 is connected to the heavy-duty wheel 2.

[0037] A plurality of guide rods 5 are symmetrically welded on the upper surface of the connecting flange 4, and the guide rods 5 are inserted into the frame plate 1;

[0038] A plurality of lifting plates 6 are embedded in the rectangular holes 1-1 on the frame plate 1, and the lifting plates 6 are connected to the inner wall of the rectangular holes 1-1 through the lifting mechanism 7;

[0039] Two connecting support plates 8 are symmetrically embedded in the rectangular grooves on both sides of the upper surface of the frame plate 1, and one connecting plate 9 is welded on one side wall adjacent to the center of the frame plate 1. The other side of the one connecting plate 9 is welded on the lifting plate 6 adjacent to it. Two connecting plates 11 are arranged between the adjacent two lifting plates 6, and the connecting plates 11 are embedded in the frame plate 1, which can facilitate the connection between the adjacent lifting plates 6 and further improve the stability during lifting. Anti-skid grooves 13 are formed on the upper surface of the one connecting plate 9, the two connecting plates 11, the lifting plate 6 and the frame plate 1, which can prevent the components from sliding during movement;

[0040] Two support mechanisms 10 are arranged on the lower surface of the one connecting plate 9, and the support mechanisms 10 are connected to the frame plate 1. Embodiment

[0041] Referring to Figure 2 , Figure 3 , on the basis of embodiment 1, the lifting mechanism 7 comprises:

[0042] A plurality of lifting connecting rods 7-1 are symmetrically arranged and are rotatably connected to the front and rear sides of the lower surface of the lifting plate 6 through shafts, and the lifting connecting rods 7-1 are located in the rectangular hole 1-1;

[0043] A plurality of moving blocks 7-2 are symmetrically arranged in the rectangular hole 1-1, and the two side walls of the moving blocks 7-2 are rotatably connected to the lower ends of the adjacent lifting connecting rods 7-1 through shafts. The side of the lower end of the lifting connecting rod 7-1 away from the moving block 7-2 is rotatably connected to a sliding block 12 through a shaft, and the sliding block 12 is slidably arranged in the sliding groove on the inner wall of the rectangular hole 1-1, which can increase the stability of the lifting connecting rod 7-1;

[0044] A plurality of bidirectional screw rods 7-3 are rotatably connected to the rectangular hole 1-1 through bearings, and the middle ends of the adjacent two bidirectional screw rods 7-3 are connected through a synchronous wheel transmission assembly. The two ends of the bidirectional screw rod 7-3 are rotatably connected to the corresponding moving blocks 7-2 through threads;

[0045] A lifting motor 7-4 is embedded and fixed by bolts in the frame plate 1, and the output shaft of the lifting motor 7-4 is connected with the left bidirectional screw rod 7-3 through a synchronous wheel transmission assembly. Embodiment

[0046] Referring to Figure 2 、 Figure 4 On the basis of the embodiment 1, the support mechanism 10 comprises:

[0047] A support connecting rod 10-1 is embedded in the lower surface of the first connecting plate 9, one end of the support connecting rod 10-1 is rotatably connected with the first connecting plate 9 through a shaft, and the other end of the support connecting rod 10-1 is rotatably connected with a support block 10-2 through a hinge seat, and the lower side of the support block 10-2 is inserted into a sliding groove on the frame plate 1;

[0048] A limiting rack 10-3 is embedded in the frame plate 1, and the limiting rack 10-3 is located on the lower side of the sliding groove on the frame plate 1, the teeth on the limiting rack 10-3 are matched and engaged with the tooth grooves on the bottom wall of the support block 10-2, and a plurality of resisting springs 10-4 are equidistantly welded and fixed on the lower surface of the limiting rack 10-3, and the resisting springs 10-4 are welded and fixed on the inner bottom wall of the frame plate 1;

[0049] Two electric push rods 10-5 are symmetrically embedded in the frame plate 1, and the piston rods of the electric push rods 10-5 are matched and abutted with the protrusions on the two side walls of the limiting rack 10-3.

[0050] In use of the utility model, the component needing to be transported is placed on the frame plate 1, the frame plate 1 is moved by the heavy load wheel 2, and in the moving process, buffering and damping are carried out by the piston type hydraulic oil cylinder 3, the overall stability is improved, after moving to the appropriate position, the lifting motor 7-4 is started, the lifting motor 7-4 drives the bidirectional screw rod 7-3 connected thereto to rotate through the synchronous wheel transmission assembly, the bidirectional screw rod 7-3 drives the other bidirectional screw rod 7-3 to rotate synchronously through the synchronous wheel transmission assembly, the bidirectional screw rod 7-3 drives the moving block 7-2 at both ends to move, the moving block 7-2 drives the lower end of the lifting connecting rod 7-1 to move, when the lower end of the lifting connecting rod 7-1 moves, the upper end drives the lifting plate 6 to move up and down, until the lifting plate 6 reaches the appropriate height, the lifting plate 6 moves up while driving the connecting support plate 8 on both sides to move up through the first connecting plate 9, the first connecting plate 9 drives one end of the support connecting rod 10-1 to move up, at this moment, the other end is connected with the support block 10-2 sliding in the frame plate 1 through the hinged seat, so that the support block 10-2 moves in the frame plate 1, the limiting rack 10-3 is pushed in the moving process, so that the limiting rack 10-3 moves down, when the first connecting plate 9 stops moving up, the elastic force of the abutting spring 10-4 drives the limiting rack 10-3 to move up, so that the teeth on the limiting rack 10-3 are inserted into the tooth groove on the lower side wall of the support block 10-2, so that the support block 10-2 can be limited, when needing to move down, the electric push rod 10-5 is started, the electric push rod 10-5 drives the limiting rack 10-3 to move down through the convex bracket and separates from the support block 10-2, so that the movement of the support block 10-2 is not affected, facilitating the movement of the support connecting rod 10-1.

[0051] Compared with the prior art, the beneficial effects of the specific embodiment are as follows:

[0052] 1, the frame plate 1 and the heavy load wheel 2 are connected through the piston type hydraulic oil cylinder 3, which can buffer and dampen when the ground is uneven, improving the stability during movement;

[0053] 2, the lifting plate 6 is arranged in the equidistantly arranged rectangular hole 1-1 in the frame plate 1, and the lifting plate 6 can be adjusted in height by the lifting mechanism 7, so that the height of the frame plate 1 does not need to be adjusted when the component is pushed upward, improving the overall stability of the frame plate 1;

[0054] 3, the connecting support plate 8 is connected to the outer side of the lifting plate 6 through the first connecting plate 9, and the connecting support plate 8 can move up and down synchronously with the lifting plate 6, thereby increasing the support area of the component during upward movement and improving the stability during feeding;

[0055] 4. The lower surface of the first connecting plate 9 is provided with a supporting mechanism 10, which supports the first connecting plate 9 after the first connecting plate 9 and the connecting support plate 8 are moved, thereby increasing the stability of the connecting support plate 8.

[0056] For those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A heavy load AGV with hydraulic suspension wheel set, comprising a frame plate (1) and heavy load wheels (2), the front and rear sides of the lower surface of the frame plate (1) are provided with a plurality of heavy load wheels (2) at equal intervals; characterized in that: It also contains: Piston hydraulic oil cylinder (3), the piston hydraulic oil cylinder (3) is several, and its amount and equidistantly set up in the front and back two sides of the lower surface of the frame plate (1), the lower side of the piston hydraulic oil cylinder (3) is through the bearing joint with the connecting flange (4), the connecting flange (4) is connected with the heavy load wheel (2); Guide rod (5), the guide rod (5) is several, and its two two left and right symmetrical fixed on the upper surface of the connecting flange (4), the guide rod (5) is inserted in the frame plate (1); Lifting plate (6), the lifting plate (6) is several, and its equidistantly embedded in the rectangular hole (1-1) provided on the frame plate (1), the lifting plate (6) is connected with the inner wall of the rectangular hole (1-1) through the lifting mechanism (7); Connecting support plate (8), the connecting support plate (8) is two, and its left and right symmetrical embedded in the rectangular groove on both sides of the upper surface of the frame plate (1), the connecting support plate (8) is fixed with a connecting plate (9) on one side wall adjacent to the center of the frame plate (1), the other side of the connecting plate (9) is fixed on the lifting plate (6) adjacent to it; Supporting mechanism (10), the supporting mechanism (10) is two, and it is respectively arranged on the lower surface of the connecting plate (9), and the supporting mechanism (10) is connected with the frame plate (1).

2. The heavy duty AGV with hydraulic suspension wheel set according to claim 1, characterized in that: Two lifting plates (6) are provided between the adjacent two lifting plates (6), and the two lifting plates (6) are embedded in the frame plate (1).

3. A heavy duty AGV with hydraulic suspension wheel set according to claim 2, characterized in that: The upper surface of the connecting plate (9), the second connecting plate (11), the lifting plate (6) and the frame plate (1) are provided with anti-skid grooves (13).

4. The heavy duty AGV with hydraulic suspension wheel set according to claim 1, characterized in that: The lifting mechanism (7) comprises: Lifting connecting rod (7-1), the lifting connecting rod (7-1) is several, and its two two left and right symmetrical and through the shaft rod joint, through the hinge seat joint on the front and back two sides of the lower surface of the lifting plate (6), the lifting connecting rod (7-1) is located in the rectangular hole (1-1); Moving block (7-2), the moving block (7-2) is several, and its front and back symmetrical setting in the rectangular hole (1-1), the two side walls of the moving block (7-2) are respectively connected with the lower end of the lifting connecting rod (7-1) adjacent to it through the shaft rod; Two way screw rod (7-3), the two way screw rod (7-3) is several, and it is one by one corresponding through the bearing joint in the rectangular hole (1-1), the middle end of the two adjacent two way screw rods (7-3) is connected through the synchronous wheel transmission assembly, and the two ends of the two way screw rod (7-3) are respectively connected with the corresponding moving block (7-2) through the thread joint; Lifting motor (7-4), the lifting motor (7-4) is embedded and fixed in the frame plate (1), and the output shaft of the lifting motor (7-4) is connected with one of the two way screw rods (7-3) through the synchronous wheel transmission assembly.

5. A heavy duty AGV with hydraulic suspension wheel set according to claim 4, characterized in that: The side of the lower end of the lifting connecting rod (7-1) away from the moving block (7-2) is connected with the sliding block (12) through the shaft rod, and the sliding block (12) is slidingly arranged in the sliding groove on the inner wall of the rectangular hole (1-1).

6. The heavy duty AGV with hydraulic suspension wheel set according to claim 1, characterized in that: The supporting mechanism (10) comprises: Support connecting rod (10-1) is embedded in the lower surface of the first connecting plate (9), one end of the support connecting rod (10-1) is screwed in the first connecting plate (9) through the shaft, the other end of the support connecting rod (10-1) is screwed with a support block (10-2) through the hinge seat, the lower side of the support block (10-2) is inserted into the sliding groove on the frame plate (1); The limiting rack (10-3) is embedded in the frame plate (1), and the limiting rack (10-3) is located on the lower side of the sliding groove on the frame plate (1), the teeth on the limiting rack (10-3) are matched with the tooth groove on the bottom wall of the support block (10-2) to engage, a plurality of resisting springs (10-4) are fixed on the lower surface of the limiting rack (10-3) at equal intervals, and the resisting springs (10-4) are fixed on the inner bottom wall of the frame plate (1); The electric push rod (10-5) is two, and it is embedded in the frame plate (1) symmetrically, the piston rod of the electric push rod (10-5) is matched with the protrusion on the two side walls of the limiting rack (10-3) to resist.

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