Beam end lifting support device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY 11TH BUREAU GRP CORP LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-06-23
AI Technical Summary
The existing beam end lifting support device is not easy to maintain and inspect, has poor stability, and affects the normal operation and safety of the bridge.
A beam end lifting support device was designed, comprising a mounting base, a base plate, a hydraulic cylinder, a motor, a screw, a threaded seat, an insert block, and a bonding plate. The motor drives the screw to rotate, enabling the insert block to engage or disengage from the slot. Combined with the support and limiting structure of the bonding plate, the device improves the convenience of installation and disassembly and enhances stability.
This makes the hydraulic cylinders easy to maintain and inspect, improves the stability of the device, reduces vibration, and ensures the normal operation and safety of the bridge.
Smart Images

Figure CN224395401U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of beam end lifting support device, specifically a beam end lifting support device. Background Technology
[0002] A bridge generally refers to a structure erected across rivers, lakes, or seas to allow vehicles and pedestrians to pass smoothly. To adapt to the rapidly developing modern transportation industry, the term "bridge" has also been extended to refer to structures built across mountains, challenging geological conditions, or to meet other transportation needs, making travel more convenient. Supports are force-transmitting devices installed at the points where the bridge span structure supports the piers or abutments. Therefore, the beam-end lifting support device plays a crucial role.
[0003] Existing beam-end lifting bearing devices have some drawbacks: First, they are not easy to maintain and inspect the hydraulic cylinders, and the repair process is often complicated and time-consuming, which seriously affects the normal operation of the bridge and traffic safety; second, they have poor stability, which can cause the bearing device to shift or overturn, thereby threatening the overall safety of the bridge. Utility Model Content
[0004] The purpose of this invention is to provide a beam end lifting support device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a beam end lifting support device, preferably comprising a mounting base and a base plate. The mounting base is disposed on the upper part of the base plate. A hydraulic cylinder is fixed in the middle of the upper end of the mounting base. Adjustment chambers are provided at both ends inside the mounting base, and a screw is rotatably connected between the two ends of the adjustment chambers. A protective chamber is provided in the middle of the mounting base, and a motor is fixed inside the protective chamber. The output end of the motor is fixedly connected to the driving end of the screw. A threaded seat is threaded onto the screw, and an insertion block is provided at the lower end of the threaded seat. A guide groove is provided at the lower end of the adjustment chamber, and the guide groove is slidably connected to the upper end of the insertion block. A clearance groove is provided at both ends of the upper part of the base plate, and a slot is provided at one end of the clearance groove. The slot engages with the insertion block. Under the drive of the motor, the screw rotates, the threaded seat rotates, and the insertion block moves, allowing it to engage or disengage from the slot, making it easy to install or disassemble the mounting base on the base plate.
[0006] Preferably, both ends of the lower part of the base plate are fixed with insert rods, and the upper end of the base plate is provided with a receiving compartment corresponding to the mounting seat.
[0007] Preferably, the upper end of the hydraulic cylinder is fixed with a bonding plate, and a support is provided on the upper part of the bonding plate. The bonding plate expands the support surface of the hydraulic cylinder, supports the support, and improves the overall stability.
[0008] Preferably, a locking block is fixed in the middle of the upper end of the bonding plate, and the locking block engages with the lower end of the support. The bonding plate limits the position of the support through the locking block.
[0009] Preferably, a second locking block is fixed in the middle of the lower end of the mounting base, and the second locking block is engaged with the upper end of the base plate. The mounting base limits the position of the base plate through the second locking block.
[0010] Preferably, both ends of the bonding plate are threaded with bolts, and the bolts are threaded with the lower end of the support. The bolts are screwed into the bonding plate, and then screwed into the support to install the support.
[0011] Preferably, both ends of the lower part of the support are rotatably connected to connecting rods, and a slider is provided at the lower end of one side of the connecting rod. Both sides of the hydraulic cylinder are provided with slide rails, and the slide rails are slidably connected to the slider. The hydraulic cylinder limits the slider through the slide rails, which is beneficial to the stability of the support lifting and lowering.
[0012] Preferably, both ends of the bonding plate are provided with sliding grooves corresponding to the connecting rods, and the sliding grooves are slidably connected to the connecting rods. The connecting rods can be rotated backward so that the slider can be inserted into the sliding groove in the direction of the longer opening of the sliding groove. Then, the bonding plate can be pushed upward, the connecting rods can be rotated, the slider direction can be reset, and the slider can be engaged with the slide rail.
[0013] Compared with the prior art, the advantages of this utility model are: easy maintenance and inspection of the hydraulic cylinder, and good stability;
[0014] (1) The slide is rectangular. The connecting rod can be turned backward so that the slider can be inserted into the slide in the direction of the longer opening of the slide. Then push the bonding plate upward, rotate the connecting rod, reset the slider direction, so that the slider is locked onto the slide rail. Then screw the bolt into the bonding plate, and then screw the bolt into the support to install the support. Then, the threads of the two screws are opposite. Under the drive of the motor, the two screws rotate, which drives the threaded seat to rotate. The threaded seat moves closer or further away from each other, which drives the insert to move. The two inserts cooperate with each other and can be locked into or disengaged from the slot, making it easy to install or disassemble the mounting base on the base plate, and easy to maintain and inspect the hydraulic cylinder.
[0015] (2) The bonding plate expands the support surface of the hydraulic cylinder, supports the support, and improves the overall stability. The upper part of the bonding plate has a shock-absorbing pad, which can reduce the vibration generated by the hydraulic cylinder during operation and protect the hydraulic cylinder. The bonding plate limits the support through the first clamp and the mounting base limits the base plate through the second clamp, so that the hydraulic cylinder is tightly connected to the support and the base plate and is not easy to fall off, which improves the stability of the hydraulic cylinder during operation and has good stability. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the main structure of this utility model;
[0018] Figure 3 This is a cross-sectional structural diagram of the bonding plate and mounting base of this utility model;
[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the receiving compartment and the bottom plate of this utility model;
[0020] Figure 5 This is a bottom view of the bonding plate structure of this utility model;
[0021] In the diagram: 1. Support; 2. Bolt; 3. Adhesive plate; 4. Locking block one; 5. Slide rail; 6. Connecting rod; 7. Slider; 8. Motor; 9. Protective chamber; 10. Adjustment chamber; 11. Screw; 12. Threaded seat; 13. Mounting base; 14. Receiving chamber; 15. Base plate; 16. Insert rod; 17. Insert block; 18. Relief groove; 19. Slot; 20. Locking block two; 21. Hydraulic cylinder; 22. Slide groove; 23. Guide groove. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0023] Please see Figure 1-5 An embodiment of this utility model provides a beam end lifting support device, including a mounting base 13 and a base plate 15. The mounting base 13 is disposed on the upper part of the base plate 15. A hydraulic cylinder 21 is fixed in the middle of the upper end of the mounting base 13. Adjustment chambers 10 are provided at both ends inside the mounting base 13, and a screw 11 is rotatably connected between the two ends of the adjustment chambers 10. A protective chamber 9 is provided in the middle of the mounting base 13, and a motor 8 is fixed inside the protective chamber 9. The output end of the motor 8 is fixedly connected to the drive end of the screw 11. A threaded seat 12 is threaded on the screw 11, and a plug 17 is provided at the lower end of the threaded seat 12. Both ends of the upper part of the base plate 15 are provided with relief grooves 18, and a slot 19 is provided at one end of the relief groove 18. The slot 19 is engaged with the plug 17. Both ends of the lower part of the base plate 15 are fixed with plug rods 16. A receiving chamber 14 is provided at the upper end of the base plate 15 corresponding to the mounting base 13.
[0024] When in use, the threads of the two screws 11 are in opposite directions. Driven by the motor 8, the two screws 11 rotate, which drives the threaded seat 12 to rotate. The threaded seat 12 moves closer or further away from each other, which drives the insert 17 to move. The two inserts 17 cooperate with each other and can be inserted into or removed from the slot 19, making it easy to install or remove the mounting base 13 on the base plate 15.
[0025] The lower end of the regulating chamber 10 is provided with a guide groove 23, and the guide groove 23 is slidably connected to the upper end of the insert block 17.
[0026] In use, the adjustment chamber 10 limits the insertion block 17 through the guide groove 23, which helps the insertion block 17 move stably;
[0027] The upper end of the hydraulic cylinder 21 is fixed with a bonding plate 3, and a support 1 is provided on the upper part of the bonding plate 3.
[0028] When in use, the bonding plate 3 expands the support surface of the hydraulic cylinder 21, supports the support 1, and improves the overall stability. The upper part of the bonding plate 3 has a shock-absorbing pad, which can reduce the vibration generated by the hydraulic cylinder 21 during operation and protect the hydraulic cylinder 21.
[0029] A locking block 4 is fixed in the middle of the upper end of the bonding plate 3, and the locking block 4 is engaged with the lower end of the support 1. A locking block 20 is fixed in the middle of the lower end of the mounting base 13, and the locking block 20 is engaged with the upper end of the base plate 15.
[0030] When in use, the bonding plate 3 limits the support 1 through the first locking block 4, and the mounting base 13 limits the base plate 15 through the second locking block 20, so that the hydraulic cylinder 21 is tightly locked with the support 1 and the base plate 15, making it difficult to fall off, thus improving the stability of the hydraulic cylinder 21 during operation.
[0031] Both ends of the bonding plate 3 are threaded with bolts 2, and the bolts 2 are threaded with the lower end of the support 1.
[0032] In use, screw the bolt 2 into the bonding plate 3, and then screw the bolt 2 into the support 1 to install the support 1.
[0033] Both ends of the lower part of the support 1 are rotatably connected to the connecting rod 6, and the lower end of one side of the connecting rod 6 is provided with the slider 7. Both sides of the hydraulic cylinder 21 are provided with the slide rail 5, and the slide rail 5 is slidably connected to the slider 7.
[0034] In use, the hydraulic cylinder 21 limits the slider 7 through the slide rail 5, which helps to stabilize the lifting and lowering of the support 1.
[0035] Both ends of the bonding plate 3 are provided with sliding grooves 22 corresponding to the connecting rods 6, and the sliding grooves 22 are slidably connected to the connecting rods 6.
[0036] When in use, the slide 22 is rectangular. The connecting rod 6 can be turned backward so that the slider 7 can be inserted into the slide 22 in the direction of the longer opening. Then push the bonding plate 3 upward and rotate the connecting rod 6 to reset the direction of the slider 7 so that the slider 7 can be engaged with the slide rail 5.
[0037] In this embodiment, the following steps are taken: First, the slide groove 22 is rectangular. The connecting rod 6 can be turned backward to allow the slider 7 to engage in the slide groove in the direction of its longer opening. Then, the bonding plate 3 is pushed upward, and the connecting rod 6 is rotated to reset the slider 7, causing it to engage with the slide rail 5. The hydraulic cylinder 21 limits the slider 7 via the slide rail 5, facilitating the stable lifting and lowering of the support 1. Subsequently, the bolt 2 is screwed into the bonding plate 3, thereby screwing the bolt 2 into the support 1 for installation. Then, the threads of the two screws 11 are in opposite directions. Driven by the motor 8, the two screws 11 rotate, causing the threaded seat 12 to rotate. The threaded seat 12 moves closer to or further away from each other, causing the insert block 17 to move. Furthermore, the adjusting chamber 10 guides the insert block 17 via the guide groove 23. The 7th locking point facilitates the stable movement of the insert 17. The two inserts 17 cooperate to engage or disengage from the slot 19, making it easy to install or remove the mounting base 13 from the base plate 15. Consequently, the bonding plate 3 expands the support surface of the hydraulic cylinder 21, supporting the support 1 and improving overall stability. The upper part of the bonding plate 3 has a shock-absorbing pad, which reduces the vibration generated by the hydraulic cylinder 21 during operation and protects the hydraulic cylinder 21. The bonding plate 3 limits the support 1 through the first locking block 4, and the mounting base 13 limits the base plate 15 through the second locking block 20, so that the hydraulic cylinder 21 is tightly engaged with the support 1 and the base plate 15, making it difficult to fall off and improving the stability of the hydraulic cylinder 21 during operation. In summary, this device is easy to maintain and inspect the hydraulic cylinder and has good stability.
Claims
1. A beam end lifting support device, characterized in that: The system includes a mounting base (13) and a base plate (15). The mounting base (13) is located on the upper part of the base plate (15). A hydraulic cylinder (21) is fixed in the middle of the upper end of the mounting base (13). Adjustment chambers (10) are provided at both ends inside the mounting base (13), and a screw (11) is rotatably connected between the two ends of the adjustment chambers (10). A protective chamber (9) is provided in the middle inside the mounting base (13), and a motor (8) is fixed inside the protective chamber (9). The output end of the motor (8) is... The screw (11) is fixedly connected to the drive end of the screw (11). The screw (11) is threaded with a threaded seat (12), and the lower end of the threaded seat (12) is provided with a plug (17). The lower end of the adjustment chamber (10) is provided with a guide groove (23), and the guide groove (23) is slidably connected to the upper end of the plug (17). Both ends of the upper part of the base plate (15) are provided with relief grooves (18), and one end of the relief groove (18) is provided with a slot (19), and the slot (19) is engaged with the plug (17).
2. The beam end lifting support device according to claim 1, characterized in that: Both ends of the lower part of the base plate (15) are fixed with insert rods (16), and the upper end of the base plate (15) is provided with a receiving compartment (14) corresponding to the mounting base (13).
3. The beam end lifting support device according to claim 1, characterized in that: The upper end of the hydraulic cylinder (21) is fixed with a bonding plate (3), and a support (1) is provided on the upper part of the bonding plate (3).
4. The beam end lifting support device according to claim 3, characterized in that: A locking block (4) is fixed in the middle of the upper end of the bonding plate (3), and the locking block (4) is engaged with the lower end of the support (1).
5. The beam end lifting support device according to claim 2, characterized in that: A second locking block (20) is fixed in the middle of the lower end of the mounting base (13), and the second locking block (20) is engaged with the upper end of the base plate (15).
6. The beam end lifting support device according to claim 4, characterized in that: Both ends of the bonding plate (3) are threaded with bolts (2), and the bolts (2) are threaded with the lower end of the support (1).
7. The beam end lifting support device according to claim 6, characterized in that: Both ends of the lower part of the support (1) are rotatably connected to the connecting rod (6), and a slider (7) is provided on the lower end of one side of the connecting rod (6). Both sides of the hydraulic cylinder (21) are provided with slide rails (5), and the slide rails (5) are slidably connected to the slider (7).
8. The beam end lifting support device according to claim 6, characterized in that: The two ends of the bonding plate (3) are provided with sliding grooves (22) corresponding to the connecting rods (6), and the sliding grooves (22) are slidably connected to the connecting rods (6).