Hydraulic lifting beam arm
Through the innovative design of the hydraulic lifting beam arm, and by utilizing the dynamic self-locking and buffering mechanism of the electric slider, the mechanical wear problem caused by long-term load on traditional lifting beam arms has been solved, thus achieving stable operation and improved safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CANGZHOU TIANLONG EXPLOSION-PROOF TOOLS CO LTD
- Filing Date
- 2025-10-09
- Publication Date
- 2026-06-05
AI Technical Summary
Traditional lifting booms require electric sliders to bear the load of goods for extended periods during lifting and unloading, leading to mechanical wear and fatigue, which affects the service life and reliability of the equipment.
The design employs a hydraulic lifting beam arm, combined with an electric slider, rotating shaft, positioning gear, toothed plate, toothed block, pressure plate, servo motor, spring, and fixed plate to achieve dynamic self-locking of the electric slider, reduce load pressure, mitigate the impact of movement through blocking blocks and buffer plates, and protect mechanical components with a protective cover.
It improves the long-term operational stability and reliability of the equipment, extends its service life, reduces the risk of mechanical damage, and enhances the safety and efficiency of lifting operations.
Smart Images
Figure CN224325056U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lifting equipment technology, specifically a hydraulic lifting beam arm. Background Technology
[0002] Lifting operations are extremely common and crucial in many fields, including industrial production and construction. They involve the handling and installation of various materials and play a key role in project progress. As a core component of lifting equipment, the performance of the lifting boom is of great significance. A high-performance lifting boom can significantly improve the efficiency of lifting operations, allowing for faster lifting and transfer of materials. At the same time, it can greatly enhance the safety of lifting operations, reduce accidents, and protect the safety of personnel and property.
[0003] Traditional lifting boom structures have inherent design flaws. During lifting operations, an electric slider drives an electric hoist to move axially along the boom. During the lifting and unloading phases, the electric slider must remain stationary, and its self-locking function must bear the load for extended periods. This exacerbates mechanical wear and fatigue of the electric slider, negatively impacting its long-term stable operation on the boom and reducing equipment lifespan and reliability.
[0004] Therefore, it is necessary to provide a hydraulic lifting beam arm to solve the above-mentioned technical problems. Utility Model Content
[0005] The purpose of this invention is to provide a hydraulic lifting beam arm to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A hydraulic lifting boom, comprising:
[0008] A crossbeam arm body, on which an electric slider is slidably mounted, a connecting frame is fixedly mounted at the bottom of the electric slider, a toothed plate is fixedly mounted on the inner wall of the crossbeam arm body, a rotating shaft is rotatably mounted on one side of the top of the electric slider, and a positioning gear is fixedly mounted at the top of the rotating shaft, and the positioning gear meshes with the toothed plate.
[0009] The top of the electric slider is fixedly installed on one side of the rotating shaft. Symmetrically distributed slide rods are slidably inserted into the fixed plate. A toothed block is fixedly installed at one end of the slide rod, and a pressure plate is fixedly installed at the other end of the slide rod. A spring is sleeved on the outer wall of the slide rod between the fixed plate and the pressure plate.
[0010] A servo motor is fixedly installed on the top of the electric slider on one side of the fixed plate. A cam plate is fixedly installed on the drive end of the servo motor, and the cam plate abuts against the pressure plate.
[0011] Preferably, one end of the beam arm body is fixedly installed with symmetrically distributed blocking blocks, and a buffer plate is provided on the inner surface of the blocking blocks.
[0012] Preferably, a protective cover is fixedly installed on the top of the electric slider, and grooves are provided on the rear sides of both sides of the protective cover, and the grooves correspond to the positions of the toothed plate.
[0013] Preferably, the buffer plate is fixedly connected to the blocking block by bolts.
[0014] Preferably, the fixing plate has sliding holes corresponding to the position and number, and the fixing plate is slidably connected to the sliding rod through the sliding holes.
[0015] Preferably, the tooth block corresponds to the position of the positioning gear, and the tooth block is adapted to the tooth groove on the positioning gear.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. This utility model utilizes the combined use of a crossbeam arm body, an electric slider, a connecting frame, a rotating shaft, a positioning gear, a toothed plate, a toothed block, a pressure plate, a cam plate, a servo motor, a spring, a slide rod, and a fixing plate. During operation, the dynamic self-locking mechanism at the top of the electric slider can lock its position in real time, reducing the load pressure on the electric slider, improving its long-term operational stability on the crossbeam arm body, and enhancing the service life and reliability of the equipment.
[0018] 2. By using the combination of the blocking block and the buffer plate, when the electric slider moves to the end position on the crossbeam arm body, it will come into contact with the buffer plate on the blocking block set at that position. The buffer plate, with its buffering performance, can effectively reduce the impact force of the electric slider's movement and avoid the electric slider from having a rigid direct collision with the blocking block, thereby preventing damage to the electric slider due to such a violent impact.
[0019] 3. This utility model utilizes the combined use of a protective cover and a groove. The protective cover effectively protects the mechanical components on the top of the electric slider, preventing them from being directly exposed. On one hand, this protective design helps improve the overall aesthetics of the equipment; on the other hand, it effectively prevents external factors from adversely affecting the self-locking mechanism on the top of the electric slider, ensuring the normal operation and reliability of the self-locking mechanism. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0021] Figure 2 This is a cross-sectional structural diagram of the present invention;
[0022] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0023] Figure 4 This is a schematic diagram of the structure of the protective cover in this utility model.
[0024] In the diagram: 1. Crossbeam arm body; 2. Electric slider; 3. Connecting frame; 4. Protective cover; 5. Blocking block; 6. Buffer plate; 7. Rotating shaft; 8. Positioning gear; 9. Tooth plate; 10. Tooth block; 11. Pressure plate; 12. Cam plate; 13. Servo motor; 14. Spring; 15. Slide rod; 16. Fixing plate; 17. Groove. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1-4 One embodiment provided by this utility model:
[0027] A hydraulic lifting boom, comprising:
[0028] A crossbeam arm body 1, an electric slider 2 is slidably mounted on the crossbeam arm body 1, a connecting frame 3 is fixedly mounted on the bottom of the electric slider 2, a toothed plate 9 is fixedly mounted on the inner wall of the crossbeam arm body 1, a rotating shaft 7 is rotatably mounted on one side of the top of the electric slider 2, a positioning gear 8 is fixedly mounted on the top of the rotating shaft 7, and the positioning gear 8 meshes with the toothed plate 9.
[0029] A fixed plate 16 is fixedly installed on the top of the electric slider 2 on one side of the rotating shaft 7. A symmetrically distributed slide rod 15 is slidably inserted on the fixed plate 16. A toothed block 10 is fixedly installed on one end of the slide rod 15, and a pressure plate 11 is fixedly installed on the other end of the slide rod 15. A spring 14 is sleeved on the outer wall of the slide rod 15 between the fixed plate 16 and the pressure plate 11.
[0030] A servo motor 13 is fixedly installed on the top of the electric slider 2 on one side of the fixed plate 16. A cam plate 12 is fixedly installed on the drive end of the servo motor 13, and the cam plate 12 abuts against the pressure plate 11.
[0031] A symmetrically distributed blocking block 5 is fixedly installed at one end of the beam arm body 1. A buffer plate 6 is provided on the inner surface of the blocking block 5. The blocking block 5 restricts the sliding range of the electric slider 2, and the buffer plate 6 reduces the impact force of collision, protects the equipment, and reduces noise.
[0032] In one embodiment, a protective cover 4 is fixedly installed on the top of the electric slider 2. Grooves 17 are provided on the rear sides of both sides of the protective cover 4, and the grooves 17 correspond to the positions of the toothed plate 9. The protective cover 4 protects the electric slider 2, and the grooves 17 reserve space for the toothed plate 9 to ensure the normal operation of the toothed plate 9 without affecting protection and aesthetics.
[0033] In one preferred embodiment, the buffer plate 6 is fixedly connected to the blocking block 5 by bolts, which facilitates the installation and disassembly of the buffer plate 6, and is conducive to later maintenance and replacement, and the connection is stable and reliable.
[0034] In one embodiment, the fixing plate 16 has sliding holes corresponding to the position and quantity, and the fixing plate 16 is slidably connected to the slide rod 15 through the sliding holes, so as to ensure that the slide rod 15 slides smoothly and accurately on the fixing plate 16, so that the tooth block 10 can move accurately to lock and unlock the positioning gear 8.
[0035] In one preferred embodiment, the toothed block 10 corresponds to the position of the positioning gear 8, and the toothed block 10 is adapted to the tooth groove on the positioning gear 8, so as to ensure that the toothed block 10 can be accurately engaged in the tooth groove of the positioning gear 8, thereby achieving reliable locking of the position of the electric slider 2 and ensuring stable operation of the equipment.
[0036] The working principle of this utility model is as follows: all electrical components mentioned in the text are electrically connected to the main controller and power supply. The main controller can be a conventional known device such as a computer for control. The existing publicly disclosed power connection technology will not be elaborated in the text. The parts not mentioned in this device are the same as the existing technology or can be implemented using the existing technology. When in use, the electric hoist is installed on the bottom of the electric slider 2 via the connecting frame 3. During the axial sliding of the electric slider 2 on the crossbeam arm body 1, the rotating shaft 7 drives the positioning gear 8 to mesh with the toothed plate 9, so that the positioning gear 8 rotates as the electric slider 2 moves. When the electric hoist is loading and unloading materials, the servo motor 13 is controlled to work. Its drive end drives the cam plate 12 to rotate. When the cam plate 12 moves away from the center and closer to the pressure plate 11, it generates a thrust that causes the pressure plate 11 to drive the slide rod 15 to slide on the fixed plate 16. At the same time, it squeezes the spring 14. The slide rod 15 drives the tooth block 10 to move and engage with the corresponding tooth groove of the positioning gear 8, locking the rotation of the positioning gear 8. The position of the electric slider 2 is locked by the meshing of the positioning gear 8 and the tooth plate 9. When the electric slider 2 needs to slide, the drive end of the servo motor 13 causes the cam plate 12 to move closer to the center and closer to the pressure plate 11, losing the thrust on the pressure plate 11. The spring 14 elastically resets and drives the pressure plate 11. The pressure plate 11, through the slide rod 15, causes the tooth block 10 to disengage from the tooth groove of the positioning gear 8, releasing the self-locking. The positioning gear 8 can rotate freely without obstructing the sliding of the electric slider 2.
[0037] 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 preferred examples and are not intended to limit the 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 claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic lifting beam arm, characterized in that, It includes: A beam arm body (1) is provided with an electric slider (2) slidably mounted on it. A connecting frame (3) is fixedly mounted on the bottom of the electric slider (2). A toothed plate (9) is fixedly mounted on the inner wall of the beam arm body (1). A rotating shaft (7) is rotatably mounted on one side of the top of the electric slider (2). A positioning gear (8) is fixedly mounted on the top of the rotating shaft (7), and the positioning gear (8) meshes with the toothed plate (9). The top of the electric slider (2) is fixedly installed on one side of the rotating shaft (7) with a fixed plate (16). A symmetrically distributed slide rod (15) is slidably inserted on the fixed plate (16). A toothed block (10) is fixedly installed at one end of the slide rod (15), and a pressure plate (11) is fixedly installed at the other end of the slide rod (15). A spring (14) is sleeved on the outer wall of the slide rod (15) between the fixed plate (16) and the pressure plate (11). The top of the electric slider (2) is fixedly mounted on one side of the fixed plate (16) with a servo motor (13). The drive end of the servo motor (13) is fixedly mounted with a cam plate (12), and the cam plate (12) abuts against the pressure plate (11).
2. The hydraulic lifting beam arm according to claim 1, characterized in that: One end of the beam arm body (1) is fixedly installed with symmetrically distributed blocking blocks (5), and a buffer plate (6) is provided on the inner surface of the blocking block (5).
3. The hydraulic lifting beam arm according to claim 1, characterized in that: The top of the electric slider (2) is fixedly equipped with a protective cover (4), and grooves (17) are provided on the rear sides of both sides of the protective cover (4), and the grooves (17) correspond to the positions of the toothed plate (9).
4. A hydraulic lifting beam arm according to claim 2, characterized in that: The buffer plate (6) is fixedly connected to the blocking block (5) by bolts.
5. A hydraulic lifting beam arm according to claim 1, characterized in that: The fixing plate (16) has sliding holes corresponding to its position and quantity, and the fixing plate (16) is slidably connected to the sliding rod (15) through the sliding holes.
6. A hydraulic lifting beam arm according to claim 1, characterized in that: The tooth block (10) is positioned corresponding to the positioning gear (8), and the tooth block (10) is adapted to the tooth groove on the positioning gear (8).