A cutting device for processing a concrete pump truck boom

By designing an automated rotation and sliding mechanism, combined with a hydraulic telescopic rod and a cutter, the problem of cumbersome manual cutting of curved shapes in existing technologies has been solved, and efficient automated cutting of concrete pump truck boom processing has been achieved.

CN224575132UActive Publication Date: 2026-07-31YIYUAN XUGUANG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YIYUAN XUGUANG MASCH CO LTD
Filing Date
2025-09-09
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The existing concrete pump truck boom processing equipment requires manual intervention when cutting curved shapes, which makes the operation cumbersome, time-consuming and labor-intensive.

Method used

A cutting device comprising a rotating mechanism, a sliding mechanism, an arc-cutting mechanism, a telescopic mechanism, and a clamping mechanism is designed. By rotating the rotating plate on the support plate and cooperating with the sliding block sliding on the lead screw, automated arc-shaped cutting is achieved. Combined with a hydraulic telescopic rod and a cutter, the cutting kerf is automatically adjusted and the plate is clamped and fixed.

Benefits of technology

It enables automated arc-shaped cutting, improving cutting efficiency and reducing the time and effort required for manual operation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224575132U_ABST
    Figure CN224575132U_ABST
Patent Text Reader

Abstract

This utility model discloses a cutting device for processing the boom of a concrete pump truck, relating to the field of metal sheet processing technology. It includes a frame, with a rotating mechanism at the upper end of the frame and a sliding mechanism inside the frame, located on one side of the rotating mechanism. An arc-cutting mechanism is mounted on the rotating mechanism, comprising a rotating plate. A first lead screw is rotatably connected to the lower end of the rotating plate, and a first motor is fixedly connected to one side of the rotating plate. The output end of the first motor is fixedly connected to one end of the first lead screw. A sliding block is threaded onto the first lead screw, with its upper end slidably connected to the rotating plate. A telescopic mechanism is located at the lower end of the sliding block. The beneficial effect is that by rotating the rotating plate on the support plate while simultaneously sliding the sliding block on the first lead screw, cutting can be performed more easily, forming an arc-shaped cutting trajectory to cut both ends of the sheet metal, achieving time and labor savings and improving cutting efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of metal sheet processing technology, and in particular to a cutting device for processing concrete pump truck booms. Background Technology

[0002] Concrete pump trucks are one of the core pieces of equipment in modern construction, playing an irreplaceable role, especially in large-scale projects such as high-rise buildings, bridges, and tunnels. The boom of a concrete pump truck is the core component, undertaking the key function of concrete transportation. Its performance directly affects construction efficiency and safety. In the production process of concrete pump truck booms, a cutting device for processing the boom is indispensable when cutting the sheet metal.

[0003] For example, patent document CN220112458U discloses a cutting device for processing metal sheets. This device adjusts the position of the cutter through an adjustment unit and a lifting unit, and cuts the metal sheet through the cutting device to achieve cutting at different positions of the metal sheet and improve cutting efficiency.

[0004] During the production of the pump truck boom, the two ends of its sheet metal need to be cut into an arc shape. However, the aforementioned device requires manual intervention to control the cutting of the sheet metal during the arc-shaped cutting process, which is quite troublesome and time-consuming. Utility Model Content

[0005] The purpose of this utility model is to provide a cutting device for processing concrete pump truck booms in order to solve the above-mentioned problems.

[0006] This utility model achieves the above objectives through the following technical solutions:

[0007] A cutting device for processing the boom of a concrete pump truck includes a frame, a rotating mechanism at the upper end of the frame, a sliding mechanism inside the frame located on one side of the rotating mechanism, and an arc-cutting mechanism above the rotating mechanism. The arc-cutting mechanism includes a rotating plate, a gripper rotatably connected to the rotating mechanism, a first lead screw rotatably connected to the lower end of the rotating plate, a first motor fixedly connected to one side of the rotating plate, the output end of the first motor fixedly connected to one end of the first lead screw, a sliding block threaded onto the first lead screw, the upper end of the sliding block slidably connected to the rotating plate, a telescopic mechanism at the lower end of the sliding block, a cutting mechanism at the lower end of the telescopic mechanism, and a clamping mechanism at the upper end of the sliding mechanism located below the cutting mechanism.

[0008] Preferably, the rotating mechanism includes a support plate, the lower end of which is fixedly connected to the upper end of the frame, a support plate fixedly connected to the upper end of the support plate, a rotary motor provided at the upper end of the support plate, the output end of the rotary motor fixedly connected to the upper end of the support plate, a rotating plate rotatably connected to the support plate, and a motor fixing bracket fixedly connected to the upper end of the rotating plate, with the rotary motor fixedly connected to the motor fixing bracket.

[0009] Preferably, the telescopic mechanism includes a hydraulic telescopic rod, the upper end of which is fixedly connected to the lower end of the sliding block, the output end of which is fixedly connected to an upper fixed frame, the two sides of which are slidably connected to a first guide rod, the lower end of which is fixedly connected to a lower fixed frame, a spring being sleeved on the first guide rod, and the upper fixed frame and the lower fixed frame being connected by a spring.

[0010] Preferably, the cutting mechanism includes a limiting rod and a cutter. The limiting rod is slidably connected to the lower fixed frame. A ball bearing is rotatably connected to the bottom end of the limiting rod. A limiting bolt is provided on the front side of the limiting rod. The limiting bolt is threadedly connected to the front side of the lower fixed frame. The cutter is located on one side of the limiting rod. The upper end of the cutter is rotatably connected to the lower end of the lower fixed frame. An angle bolt is threadedly connected to one side of the cutter.

[0011] Preferably, the sliding mechanism includes a motor bracket and a second motor. The second motor is fixedly connected to the motor bracket, which is fixedly connected to one side of the frame. A second lead screw is fixedly connected to the output end of the second motor. The second lead screw is rotatably connected inside the frame. A second guide rod is provided on one side of the second lead screw and is fixedly connected inside the frame.

[0012] Preferably, the clamping mechanism includes a plate, which is threadedly connected to the second lead screw and slidably connected to the second guide rod. A clamping bracket is fixedly connected around the upper end of the plate, and a clamping bolt is threadedly connected to the upper end of the clamping bracket.

[0013] The beneficial effects are as follows: by rotating the plate on the support plate and simultaneously sliding the sliding block on the first lead screw to perform cutting, it is easier to form an arc-shaped cutting trajectory to cut both ends of the plate, thus saving time and effort and improving cutting efficiency.

[0014] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a three-dimensional structural diagram of a cutting device for processing a concrete pump truck boom as described in this utility model;

[0017] Figure 2 This is a front view of a cutting device for processing a concrete pump truck boom according to the present invention;

[0018] Figure 3 This is a top view of the sliding mechanism of the cutting device for processing the boom of a concrete pump truck as described in this utility model;

[0019] Figure 4 This is a left sectional view of the cutting arc mechanism of the cutting device for processing the boom of a concrete pump truck according to the present invention;

[0020] Figure 5 This is a front view of the cutting mechanism of the cutting device for processing the boom of a concrete pump truck as described in this utility model;

[0021] Figure 6 This is a left sectional view of the rotating mechanism of the cutting device for processing the boom of a concrete pump truck as described in this utility model.

[0022] The reference numerals in the attached drawings are explained as follows: 1. Frame; 2. Rotating mechanism; 201. Support plate; 202. Support plate; 203. Rotary motor; 204. Motor fixing bracket; 3. Arc cutting mechanism; 301. Rotating plate; 302. First motor; 303. First lead screw; 304. Sliding block; 4. Telescopic mechanism; 401. Hydraulic telescopic rod; 402. First guide rod; 403. Spring; 404. Upper fixing frame; 405. Lower fixing frame; 5. Cutting mechanism; 501. Distance limiting rod; 502. Ball bearing; 503. Distance limiting bolt; 504. Cutter; 505. Angle bolt; 6. Sliding mechanism; 601. Second motor; 602. Motor bracket; 603. Second lead screw; 604. Second guide rod; 7. Clamping mechanism; 701. Flat plate; 702. Clamping bracket; 703. Clamping bolt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-6 As shown, a cutting device for processing the boom of a concrete pump truck includes a frame 1. A rotating mechanism 2 is provided at the upper end of the frame 1. A sliding mechanism 6 is provided inside the frame 1 and is located on one side of the rotating mechanism 2. An arc-cutting mechanism 3 is provided on the rotating mechanism 2. The arc-cutting mechanism 3 includes a rotating plate 301, which is rotatably connected to the rotating mechanism 2. A first lead screw 303 is rotatably connected to the lower end of the rotating plate 301. A first motor 302 is fixedly connected to one side of the rotating plate 301 by screws. The output end of the first motor 302 is fixedly connected to the first lead screw 303. At one end of the lead screw 303, the first motor 302 drives the first lead screw 303 to rotate. A sliding block 304 is threadedly connected to the first lead screw 303. The upper end of the sliding block 304 is slidably connected to the rotating plate 301, which guides the sliding block 304. When the rotating plate 301 rotates, the sliding block 304 can slide along the first lead screw 303. A telescopic mechanism 4 is provided at the lower end of the sliding block 304. A cutting mechanism 5 is provided at the lower end of the telescopic mechanism 4. A clamping mechanism 7 is provided at the upper end of the sliding mechanism 6. The clamping mechanism 7 is located below the cutting mechanism 5.

[0027] The rotating mechanism 2 includes a support plate 201. The lower end of the support plate 201 is fixedly connected to the upper end of the frame 1 by screws. A support plate 202 is fixedly connected to the upper end of the support plate 201. A rotary motor 203 is provided on the upper end of the support plate 202. The output end of the rotary motor 203 is fixedly connected to the upper end of the support plate 202. A rotating plate 301 is rotatably connected to the support plate 202. A motor fixing bracket 204 is fixedly connected to the upper end of the rotating plate 301. The rotary motor 203 is fixedly connected to the motor fixing bracket 204. When the rotary motor 203 is working, the outer shell of the rotary motor 203 will rotate with the motor fixing bracket 204, thereby driving the rotating plate 301 to rotate.

[0028] The telescopic mechanism 4 includes a hydraulic telescopic rod 401. The upper end of the hydraulic telescopic rod 401 is fixedly connected to the lower end of the sliding block 304. The output end of the hydraulic telescopic rod 401 is fixedly connected to an upper fixed frame 404. The two sides of the upper fixed frame 404 are slidably connected to first guide rods 402. The lower end of the first guide rods 402 is fixedly connected to a lower fixed frame 405. A spring 403 is sleeved on the upper fixed frame 404. The upper fixed frame 404 and the lower fixed frame 405 are connected by the spring 403, which can prevent the hydraulic telescopic rod 401 from extending too far, thereby preventing damage to the parts of the device.

[0029] The cutting mechanism 5 includes a limiting rod 501 and a cutter 504. The limiting rod 501 is slidably connected to the lower fixed frame 405. A ball bearing 502 is rotatably connected to the bottom end of the limiting rod 501. The ball bearing 502 can roll on the surface of the board to reduce friction and prevent scratches from being left on the surface of the board. A limiting bolt 503 is provided on the front side of the limiting rod 501. The limiting bolt 503 is threadedly connected to the front side of the lower fixed frame 405. Tightening the limiting bolt 503 can fix the position of the limiting rod 501. The cutter 504 is located on one side of the limiting rod 501. The upper end of the cutter 504 is rotatably connected to the lower end of the lower fixed frame 405. An angle bolt 505 is threadedly connected to one side of the cutter 504. After loosening the angle bolt 505, the angle between the cutter 504 and the vertical plane can be adjusted to meet the cutting requirements.

[0030] The sliding mechanism 6 includes a motor bracket 602 and a second motor 601. The second motor 601 is fixedly connected to the motor bracket 602, which is fixedly connected to one side of the frame 1. A second lead screw 603 is fixedly connected to the output end of the second motor 601. The second lead screw 603 is rotatably connected inside the frame 1. A second guide rod 604 is provided on one side of the second lead screw 603 and is fixedly connected inside the frame 1. The clamping mechanism 7 can slide to expand the cutting range.

[0031] The clamping mechanism 7 includes a plate 701, which is threadedly connected to the second lead screw 603 and slidably connected to the second guide rod 604. A clamping bracket 702 is fixedly connected around the upper end of the plate 701, and a clamping bolt 703 is threadedly connected to the upper end of the clamping bracket 702. The plate is fixed by tightening the clamping bolt 703 to prevent the plate from moving during the cutting process.

[0032] Working principle: Place one end of the plate on the flat plate 701, tighten the clamping bolt 703 to fix the plate, rotate the limiting bolt 503 to adjust the distance between the cutting edge of the cutter 504 and the plate, start the hydraulic telescopic rod 401, the ball 502 will contact the plate first, and when the spring 403 is compressed, the hydraulic telescopic rod 401 can be stopped, the cutter 504 can be started, and the rotary motor 203 and the first motor 302 can be started, so that the rotation speed of the rotary motor 203 and the first motor 302 are coordinated to achieve the desired cutting arc shape. If the arc to be cut is outside the rotation range of the rotating plate 301, the second motor 601 can be started to adjust the position of the plate and cut.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A cutting device for processing of a concrete pump truck boom, comprising a frame (1), characterized in that: A rotating mechanism (2) is provided at the upper end of the frame (1), and a sliding mechanism (6) is provided inside the frame (1). The sliding mechanism (6) is located in front of the rotating mechanism (2). An arc-cutting mechanism (3) is provided on the rotating mechanism (2). The arc-cutting mechanism (3) includes a rotating plate (301). The rotating plate (301) is rotatably connected to the rotating mechanism (2). A first lead screw (303) is rotatably connected to the lower end of the rotating plate (301). A first motor (302) is fixedly connected to the front side of the rotating plate (301). The output end of the first motor (302) is fixedly connected to the front end of the first lead screw (303). A sliding block (304) is threadedly connected to the first lead screw (303). The upper end of the sliding block (304) is slidably connected to the rotating plate (301). A telescopic mechanism (4) is provided at the lower end of the sliding block (304). A cutting mechanism (5) is provided at the lower end of the telescopic mechanism (4). A clamping mechanism (7) is provided at the upper end of the sliding mechanism (6). The clamping mechanism (7) is located below the cutting mechanism (5).

2. The cutting device for processing of a concrete pump truck boom according to claim 1, characterized in that: The rotating mechanism (2) includes a support plate (201), the lower end of which is fixedly connected to the upper end of the frame (1), and a support plate (202) is fixedly connected to the upper end of the support plate (201). A rotary motor (203) is provided at the upper end of the support plate (202), and the output end of the rotary motor (203) is fixedly connected to the upper end of the support plate (202). The rotating plate (301) is rotatably connected to the support plate (202), and a motor fixing bracket (204) is fixedly connected to the upper end of the rotating plate (301). The rotary motor (203) is fixedly connected to the motor fixing bracket (204).

3. The cutting device for processing of a concrete pump truck boom according to claim 2, characterized in that: The telescopic mechanism (4) includes a hydraulic telescopic rod (401), the upper end of which is fixedly connected to the lower end of the sliding block (304). The output end of the hydraulic telescopic rod (401) is fixedly connected to an upper fixed frame (404). The upper fixed frame (404) is slidably connected to both sides of the upper fixed frame (404). The lower end of the first guide rod (402) is fixedly connected to a lower fixed frame (405). A spring (403) is sleeved on the first guide rod (402). The upper fixed frame (404) and the lower fixed frame (405) are connected by the spring (403).

4. The cutting device for processing of a concrete pump truck boom according to claim 3, characterized in that: The cutting mechanism (5) includes a limiting rod (501) and a cutter (504). The limiting rod (501) is slidably connected to the lower fixed frame (405). A ball bearing (502) is rotatably connected to the bottom end of the limiting rod (501). A limiting bolt (503) is provided on the front side of the limiting rod (501). The limiting bolt (503) is threadedly connected to the front side of the lower fixed frame (405). The cutter (504) is located on one side of the limiting rod (501). The upper end of the cutter (504) is rotatably connected to the lower end of the lower fixed frame (405). An angle bolt (505) is threadedly connected to one side of the cutter (504).

5. The cutting device for processing of a concrete pump truck boom according to claim 1, characterized in that: The sliding mechanism (6) includes a motor bracket (602) and a second motor (601). The second motor (601) is fixedly connected to the motor bracket (602), and the motor bracket (602) is fixedly connected to one side of the frame (1). The output end of the second motor (601) is fixedly connected to a second lead screw (603), which is rotatably connected inside the frame (1). A second guide rod (604) is provided on the front side of the second lead screw (603), and the second guide rod (604) is fixedly connected inside the frame (1).

6. The cutting device for processing of a concrete pump truck boom according to claim 5, characterized in that: The clamping mechanism (7) includes a plate (701), which is threadedly connected to the second lead screw (603) and slidably connected to the second guide rod (604). A clamping bracket (702) is fixedly connected around the upper end of the plate (701), and a clamping bolt (703) is threadedly connected to the upper end of the clamping bracket (702).