Concrete pump truck arm support and concrete pump truck

Abstract

The utility model discloses a concrete pump truck arm support which comprises a connecting assembly, an arm support body and a pump truck body used for installing the arm support body, the arm support body comprises a supporting column, a head arm, a middle arm and a tail arm, and the bottom end of the head arm is connected to the top of the supporting column in a rotating mode. The head arm and the middle arm are rotationally connected through a connecting assembly, the middle arm and the tail arm are rotationally connected through a connecting assembly, each connecting assembly comprises a connecting seat, and the connecting seats are arranged between the head arm and the middle arm and between the middle arm and the tail arm. The tail arm is driven by the first air cylinder to rotate, so that the tail arm is folded on the middle arm, then the head arm is driven by the second air cylinder to rotate, so that the head arm is horizontally placed, then the middle arm is driven by the first air cylinder to rotate, so that the middle arm is folded on the head arm, and then the tail arm is folded on the middle arm. Therefore, the arm support body is folded, and the arm support can be conveniently transferred on a pump truck.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete pump truck arm brackets, in particular to a concrete pump truck arm bracket and a concrete pump truck. Background Art

[0002] At present, the pump truck is composed of five parts: boom, pumping, hydraulic, support, and electronic control. The boom is mostly a multi-section structure to facilitate the transportation of concrete to different locations.

[0003] Among them, after searching, a Chinese patent with announcement number CN220703073U discloses a boom of a concrete pump truck. During use, the boom structure of the above patent cannot be folded and stored, so the height of the boom on the pump truck is too high, which makes it inconvenient to transport the boom on the pump truck. Therefore, in order to advance the technology of the industry, better realize the function of stable transportation of the boom, and improve the competitiveness of core technology, this application proposes a new implementation scheme that is different from the boom structure in the prior art. Utility Model Content

[0004] The utility model aims to solve the problem that the existing boom cannot be folded and stored, so that the height of the boom on the pump truck is too high, resulting in inconvenience in transporting the boom on the pump truck, and proposes a concrete pump truck boom and a concrete pump truck.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A concrete pump truck boom comprises a connecting assembly, a boom body and a pump truck body for installing the boom body, the boom body comprises a support column, a head arm, a middle arm and a tail arm, the bottom end of the head arm is rotatably connected to the top of the support column, the head arm and the middle arm, and the middle arm and the tail arm are rotatably connected through the connecting assembly, the connecting assembly comprises a connecting seat, the connecting seat is arranged between the head arm and the middle arm, and between the middle arm and the tail arm, one side of the connecting seat is fixedly connected to a side plate, the top and bottom of the side plate are rotatably connected to a first cylinder, one end of the piston rods of the multiple first cylinders are rotatably connected to the head arm, the middle arm and the tail arm respectively, one side of the support column is rotatably connected to a second cylinder, and one end of the piston rod of the second cylinder is rotatably connected to the head arm.

[0007] Furthermore, a bearing seat is provided at the bottom end of the support column, a bearing is embedded at the top of the bearing seat, and the support column is plugged into the bearing.

[0008] Furthermore, the bottom of the bearing seat is fixedly connected to a base.

[0009] Furthermore, two supporting ribs are fixedly connected between the connecting seat and the side plate.

[0010] Furthermore, a bearing plate is fixedly connected to one side of the connecting seat, and rubber pads are bonded to the top and bottom of the bearing plate.

[0011] Furthermore, an oblique rod is fixedly connected to one side of the support column, and a connecting rib is fixedly connected between the oblique rod and the support column.

[0012] Furthermore, a plurality of fixing ribs are fixedly connected between the bearing seat and the base.

[0013] The beneficial effects of the utility model are:

[0014] 1. The tail arm is rotated under the drive of the first cylinder, so that the tail arm is folded on the middle arm, and then, the head arm is rotated under the drive of the second cylinder, so that the head arm is placed horizontally, and then the middle arm is rotated under the drive of the first cylinder, so that the middle arm is folded on the head arm, and then, the boom body is folded, so as to facilitate the transportation of the boom on the pump truck.

[0015] 2. Support the tail arm by placing it on the diagonal rod, and then support the middle arm by the side plate and the load-bearing plate to improve the stability of the arm frame placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a concrete pump truck boom and a concrete pump truck boom body proposed by the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of a concrete pump truck boom and a connecting assembly of a concrete pump truck proposed by the utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of a concrete pump truck boom and a concrete pump truck boom body proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the expanded cross-sectional structure of a concrete pump truck boom and a concrete pump truck boom body proposed by the utility model;

[0020] Figure 5 The utility model provides a three-dimensional structural diagram of a concrete pump truck boom and a concrete pump truck boom body and a pump truck body connected thereto.

[0021] In the figure: 1. pump truck body; 2. boom body; 201. support column; 202. head arm; 203. middle arm; 204. tail arm; 3. connecting assembly; 301. connecting seat; 302. side plate; 303. first cylinder; 4. second cylinder; 5. bearing seat; 6. base; 7. supporting ribs; 8. bearing plate; 9. rubber pad; 10. diagonal rod; 11. connecting ribs; 12. fixing ribs. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 5 A concrete pump truck boom and a concrete pump truck, comprising a connecting assembly 3, a boom body 2 and a pump truck body 1 for installing the boom body 2, the boom body 2 comprising a support column 201, a head arm 202, a middle arm 203 and a tail arm 204, the bottom end of the head arm 202 is rotatably connected to the top of the support column 201, the head arm 202 and the middle arm 203 and the middle arm 203 and the tail arm 204 are rotatably connected through the connecting assembly 3, the connecting assembly 3 comprises a connecting seat 301, the connecting seat 301 is arranged between the head arm 202 and the middle arm 203 and between the middle arm 203 and the tail arm 204, a side plate 302 is welded to one side of the connecting seat 301, the top and bottom of the side plate 302 are rotatably connected to the first cylinder 303, and a plurality of One end of the piston rod of the first cylinder 303 is rotatably connected to the head arm 202, the middle arm 203 and the tail arm 204 respectively. One side of the support column 201 is rotatably connected to the second cylinder 4. One end of the piston rod of the second cylinder 4 is rotatably connected to the head arm 202. Driven by the first cylinder 303, the tail arm 204 rotates, so that the tail arm 204 is folded on the middle arm 203. Then, driven by the second cylinder 4, the head arm 202 rotates, so that the head arm 202 is placed horizontally. Then, driven by the first cylinder 303, the middle arm 203 rotates, so that the middle arm 203 is folded on the head arm 202. Then, the middle arm 203 is supported by the side plate 302 and the load-bearing plate 8, so that the arm frame body 2 is folded.

[0024] A bearing seat 5 is provided at the bottom end of the support column 201, and the arm frame body 2 is supported by the bearing seat 5. A bearing is embedded at the top of the bearing seat 5, and the support column 201 is plugged into the bearing, so as to facilitate the rotation of the support column 201 and further facilitate the adjustment of the direction of the arm frame body 2. A base 6 is welded at the bottom of the bearing seat 5, and two supporting ribs 7 are welded between the connecting seat 301 and the side plate 302, so as to improve the firmness of the connection between the connecting seat 301 and the side plate 302. A bearing plate 8 is welded on one side of the connecting seat 301, and the middle arm 203 is supported by the side plate 302 and the bearing plate 8. Rubber pads 9 are bonded to the top and bottom of the bearing plate 8. An inclined rod 10 is welded on one side of the support column 201, so that the tail arm 204 is placed on the inclined rod 10 to support the tail arm 204. A connecting rib 11 is welded between the inclined rod 10 and the support column 201, and a plurality of fixing ribs 12 are welded between the bearing seat 5 and the base 6.

[0025] The working principle of this embodiment is as follows: when in use, first, the middle arm 203 rotates upward under the drive of the first cylinder 303, and then the tail arm 204 rotates under the drive of the first cylinder 303, and then the head arm 202 rotates under the drive of the second cylinder 4, so that the head arm 202, the middle arm 203, and the tail arm 204 are unfolded to facilitate the use of the boom body 2;

[0026] When not in use, the tail arm 204 is rotated under the drive of the first cylinder 303, so that the tail arm 204 is folded on the middle arm 203, and then, the head arm 202 is rotated under the drive of the second cylinder 4, so that the head arm 202 is placed horizontally, and then the middle arm 203 is rotated under the drive of the first cylinder 303, so that the middle arm 203 is folded on the head arm 202, and the tail arm 204 is placed on the diagonal rod 10 to support the tail arm 204, and then, the middle arm 203 is supported by the side plate 302 and the load-bearing plate 8, so that the arm frame body 2 is folded.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete pump truck boom, comprising a connecting assembly (3), a boom body (2) and a mounting boom body (2), characterized in that: The boom body (2) comprises a support column (201), a head arm (202), a middle arm (203) and a tail arm (204); the bottom end of the head arm (202) is rotatably connected to the top of the support column (201); the head arm (202) and the middle arm (203) and the middle arm (203) and the tail arm (204) are rotatably connected via a connecting assembly (3); the connecting assembly (3) comprises a connecting seat (301); the connecting seat (301) is arranged between the head arm (202) and the middle arm (203) and Between the middle arm (203) and the tail arm (204), one side of the connecting seat (301) is fixedly connected to a side plate (302), the top and bottom of the side plate (302) are both rotatably connected to the first cylinder (303), one end of the piston rod of the plurality of first cylinders (303) is rotatably connected to the head arm (202), the middle arm (203), and the tail arm (204), one side of the support column (201) is rotatably connected to the second cylinder (4), and one end of the piston rod of the second cylinder (4) is rotatably connected to the head arm (202).

2. A concrete pump truck boom according to claim 1, characterized in that: A bearing seat (5) is provided at the bottom end of the support column (201), a bearing is embedded at the top of the bearing seat (5), and the support column (201) is plugged into the bearing.

3. A concrete pump truck boom according to claim 2, characterized in that: The bottom of the bearing seat (5) is fixedly connected to a base (6).

4. The concrete pump truck boom according to claim 1, characterized in that: Two supporting ribs (7) are fixedly connected between the connecting seat (301) and the side plate (302).

5. The concrete pump truck boom according to claim 1, characterized in that: A bearing plate (8) is fixedly connected to one side of the connection seat (301), and rubber pads (9) are bonded to the top and bottom of the bearing plate (8).

6. The concrete pump truck boom according to claim 1, characterized in that: An oblique rod (10) is fixedly connected to one side of the support column (201), and a connecting rib (11) is fixedly connected between the oblique rod (10) and the support column (201).

7. The concrete pump truck boom according to claim 2, characterized in that: A plurality of fixing ribs (12) are fixedly connected between the bearing seat (5) and the base (6).

8. A concrete pump truck, comprising a pump truck body (1), characterized in that: A concrete pump truck boom is arranged in the compartment of the pump truck body (1).

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