Unit assembly type multidirectional displacement bridge expansion device
By setting the insertion plate structure of the adjustment rod and return spring in the base of the bridge expansion device, it avoids hard contact, and combined with the design of the water-guided support plate and drainage hole, the problem of easy damage to the bridge under load is solved and the deformation is improved Safety and positioning capabilities.
Patent Information
- Application Number
- CN202420429701.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-06
AI Technical Summary
When the bridge bears multiple loads, if there is hard contact in the telescopic position, it is easy to cause direct damage to the connection position and the bridge itself.
A unit-assembled multi-directional displacement bridge telescopic device is designed. By setting a second groove body in the base and installing a first insertion plate and a second insertion plate, the relative position of the insertion plate is adjusted using an adjustment rod and a return spring. Prevent hard contact, and use water guide support plate and drainage holes to drain water to reduce load bearing.
The deformation safety and positioning and installation capabilities of the bridge telescopic device are improved, the risk of damage under load is reduced, and the overall load is reduced through the drainage function.
Smart Images

Figure CN222477212U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge expansion and contraction, in particular to a unit assembled multi-directional displacement bridge expansion and contraction device. Background Art
[0002] Bridges are facilities for vehicles and people to travel. Generally speaking, bridges are built on rivers, lakes and seas to enable vehicles and pedestrians to pass smoothly. At the same time, for the convenience of transportation, bridges are gradually being built in cities to facilitate vehicle travel and traffic planning. In the process of bridge construction, expansion joints are an indispensable type of structural joints.
[0003] Materials used in bridge construction may develop cracks due to changes in climate and temperature, so expansion joints are an essential structural device in bridge construction. Bridges need to bear a variety of loads when they are put into use. At this time, if there is hard contact at the expansion position, it is easy to cause direct damage to the connection position and also to the bridge. Utility Model Content
[0004] The purpose of the utility model is to provide a unit-assembled multi-directional displacement bridge expansion device to solve the problem proposed in the above background technology that the bridge needs to bear various loads when put into use. At this time, if there is hard contact at the expansion position, it is easy to cause direct damage to the connection position and also easy to cause direct damage to the bridge.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a unit-assembled multi-directional displacement bridge telescopic device, comprising a base and a side baffle, a fixing plate is installed on one side of the base, a U-shaped block is fixed between the fixing plates, a second slot is opened inside the base, a first plug plate is installed inside one of the second slots, a second plug plate is installed inside the other second slot, fixing strips are fixed at both ends of the second plug plate and the first plug plate, a first slot is opened inside the first plug plate and the second plug plate, an adjusting rod is inserted inside the first slot, a reset spring is connected to the outer wall at the middle position of the adjusting rod, an anti-collision block is fixed on one side of the first plug plate and the second plug plate, drainage holes are opened at the upper and lower ends inside the first plug plate and the second plug plate, and a fixing block is installed on one side of the side baffle.
[0006] Preferably, the U-shaped block is designed in an arc shape, and the fixing plates are symmetrically distributed about the central axis of the U-shaped block.
[0007] Preferably, the base is symmetrically distributed about the central axis of the U-shaped block, and the anti-collision blocks are symmetrically distributed about the central axes of the first plug plate and the second plug plate.
[0008] Preferably, a water guide support plate is installed between the top of each of the first plug plate and the second plug plate and the U-shaped block, a water guide groove is provided inside the water guide support plate, and guide plates are fixed on both sides of the inner wall of the water guide groove.
[0009] Preferably, the guide plates are evenly distributed on both sides of the inner wall of the water guide groove, two groups of water guide support plates are distributed on the top of the first plug plate and the second plug plate, and the vertical position of the water guide groove is matched with the drainage hole.
[0010] Preferably, a positioning groove is provided inside the fixing block, a positioning column is fixed to the top of the base, and an adsorption block is fixed to the top of the positioning column.
[0011] Preferably, a magnetic block is fixed to the top of the inner wall of the positioning groove, and an adsorption fixation is formed between the magnetic block and the adsorption block.
[0012] Preferably, a third slot is provided inside the fixed block near the top, a square block is provided inside the third slot, a fixing rod is fixed on one side of the square block, a gap block is installed on one side of the fixing rod, and the fixing rods are symmetrically distributed about the central axis of the gap block.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the unit assembled multi-directional displacement bridge expansion device not only improves the deformation safety, but also improves the positioning and installation ability and upper positioning ability of the bridge expansion device;
[0014] (1) The second slot body is opened inside the base, and the first plug plate and the second plug plate are installed in the two second slot bodies respectively, and the first slot body is opened inside the first plug plate and the second plug plate, and the adjustment rod in the first slot body is used to connect the left and right first plug plates and the second plug plate. Therefore, when there is a slight contraction or expansion between the bases, the return spring will be elastically deformed, so that the relative distance between the adjustment rod and the first slot body is adjusted, and when the first plug plate and the second plug plate are adjusted, the anti-collision block plays an anti-collision effect, so that the deformation position has a certain safety, and the opening of the drainage hole is adapted to the position of the water guide groove. At this time, the water guide support plate can cooperate with the water guide groove and the drainage hole to drain water while supporting, thereby reducing the overall load and improving a certain degree of deformation safety;
[0015] (2) By opening the positioning groove inside the fixed block, during the positioning installation, the positioning column is guided and installed along the positioning groove inside the fixed block, and then the adsorption block and the magnetic block cooperate with each other to complete the adsorption guidance and fixation, thereby better improving the guiding and positioning ability during the assembly process;
[0016] (3) The third slot is opened inside the fixed block, the square block is set inside the third slot, and the square block is connected and fixed to the fixed rod. Therefore, when the gap is adjusted, the third slot and the square block cooperate to have a movable space. After the gap block is fixed between the fixed rods, the position of the U-shaped block is positioned, the two are adapted to support, and then subsequent filling is performed, so that the overall upper positioning ability is better improved during the work process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 2 It is a partial front view structural diagram of the adjusting rod of the utility model;
[0019] Figure 3 It is a partial front view cross-sectional structural diagram of the water guide support plate of the utility model;
[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.
[0021] In the figure: 1. base; 2. first plug plate; 3. fixing bar; 4. first slot body; 5. fixing plate; 6. adjusting rod; 7. drainage hole; 8. second plug plate; 9. second slot body; 10. positioning column; 11. side baffle plate; 12. fixing block; 13. third slot body; 14. fixing rod; 15. gap block; 16. U-shaped block; 17. water guide support plate; 18. square block; 19. anti-collision block; 20. reset spring; 21. water guide groove; 22. guide plate; 23. positioning groove; 24. adsorption block; 25. magnetic block. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4The utility model provides an embodiment: a unit-assembled multi-directional displacement bridge telescopic device, comprising a base 1 and a side baffle 11. A fixing plate 5 is installed on one side of the base 1, and a U-shaped block 16 is fixed between the fixing plates 5. A second slot body 9 is provided inside the base 1, a first plug plate 2 is installed inside one second slot body 9, a second plug plate 8 is installed inside another second slot body 9, and fixing strips 3 are fixed at both ends of the second plug plate 8 and the first plug plate 2. A first slot body 4 is provided inside the first plug plate 2 and the second plug plate 8, and an adjusting rod 6 is inserted inside the first slot body 4. A reset spring 20 is connected to the outer wall at the middle position of the adjusting rod 6, and an anti-collision block 19 is fixed on one side of the first plug plate 2 and the second plug plate 8, and drainage holes 7 are provided at the upper and lower ends of the first plug plate 2 and the second plug plate 8, and a fixing block 12 is installed on one side of the side baffle 11.
[0024] The U-shaped block 16 is designed to be in an arc shape, and the fixing plates 5 are symmetrically distributed about the central axis of the U-shaped block 16 .
[0025] The base 1 is symmetrically distributed about the central axis of the U-shaped block 16 , and the anti-collision blocks 19 are symmetrically distributed about the central axes of the first plugboard 2 and the second plugboard 8 .
[0026] A water guide support plate 17 is installed between the top of the first plug plate 2 and the second plug plate 8 and the U-shaped block 16 . A water guide groove 21 is provided inside the water guide support plate 17 . Guide plates 22 are fixed on both sides of the inner wall of the water guide groove 21 .
[0027] The guide plates 22 are evenly distributed on both sides of the inner wall of the water guide groove 21 , and two groups of water guide support plates 17 are distributed on the top of the first plug plate 2 and the second plug plate 8 . The vertical position of the water guide groove 21 is adapted to the drainage hole 7 .
[0028] A positioning groove 23 is formed inside the fixing block 12 , a positioning column 10 is fixed to the top of the base 1 , and an adsorption block 24 is fixed to the top of the positioning column 10 .
[0029] A magnetic block 25 is fixed to the top of the inner wall of the positioning groove 23 , and an adsorption fixation is formed between the magnetic block 25 and the adsorption block 24 .
[0030] A third slot 13 is provided near the top of the fixing block 12, a square block 18 is provided inside the third slot 13, a fixing rod 14 is fixed to one side of the square block 18, a gap block 15 is installed to one side of the fixing rod 14, and the fixing rods 14 are symmetrically distributed about the central axis of the gap block 15;
[0031] Furthermore, the opening of the drainage hole 7 is adapted to the position of the water channel 21, the two are in the same vertical position, and the size of the drainage hole 7 and the water channel 21 is adapted;
[0032] Furthermore, when draining water, the water is guided to the drainage hole 7 at the upper position through the water guide groove 21, then flows in the first tank body 4, and finally discharged from the drainage hole 7 at the lower position.
[0033] Working principle: First, during operation, the third slot body 13 is opened inside the fixed block 12, and the square block 18 is set inside the third slot body 13, and the square block 18 is connected and fixed to the fixed rod 14. During positioning and installation, the positioning column 10 is guided and installed along the positioning slot 23 in the fixed block 12, and then the adsorption block 24 and the magnetic block 25 cooperate with each other to complete the adsorption and guiding fixation. When the gap is adjusted, the third slot body 13 and the square block 18 cooperate to have a movable space, and after the gap block 15 is fixed between the fixed rods 14, the position of the U-shaped block 16 is positioned. At the same time, when a slight contraction or expansion occurs between the base 1, the reset spring 20 undergoes elastic deformation, so the relative distance between the adjustment rod 6 and the first slot body 4 is adjusted, and the opening of the drainage hole 7 is adapted to the position of the water guide groove 21. At this time, the water guide support plate 17 can support the water while cooperating with the water guide groove 21 and the drainage hole 7 to drain water.
[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A unit-assembled multi-directional displacement bridge telescopic device, comprising a base (1) and a side baffle (11), characterized in that: A fixing plate (5) is installed on one side of the base (1), and a U-shaped block (16) is fixed between the fixing plates (5). A second slot (9) is provided inside the base (1), a first plugging plate (2) is installed inside one of the second slots (9), and a second plugging plate (8) is installed inside the other second slot (9). Both ends of the second plugging plate (8) and the first plugging plate (2) are fixed with fixing strips (3). Both the first plugging plate (2) and the second plugging plate (8) are provided with a first slot (4), an adjusting rod (6) is inserted inside the first slot (4), and a return spring (20) is connected to the outer wall at the middle position of the adjusting rod (6). Anti-collision blocks (19) are fixed on one side of the first plugging plate (2) and the second plugging plate (8), and drainage holes (7) are provided at upper and lower ends inside the first plugging plate (2) and the second plugging plate (8). A fixing block (12) is installed on one side of the side baffle (11).
2. The unit-assembled multi-directional displacement bridge expansion device according to claim 1 is characterized in that: The U-shaped block (16) is designed to be in an arc shape, and the fixing plates (5) are symmetrically distributed about the central axis of the U-shaped block (16).
3. The unit-assembled multi-directional displacement bridge expansion device according to claim 1 is characterized in that: The base (1) is symmetrically distributed about the central axis of the U-shaped block (16), and the anti-collision block (19) is symmetrically distributed about the central axes of the first plug plate (2) and the second plug plate (8).
4. The unit-assembled multi-directional displacement bridge expansion device according to claim 1 is characterized in that: A water guide support plate (17) is installed between the top of each of the first plug plate (2) and the second plug plate (8) and the U-shaped block (16); a water guide groove (21) is provided inside the water guide support plate (17); guide plates (22) are fixed on both sides of the inner wall of the water guide groove (21).
5. The unit-assembled multi-directional displacement bridge expansion device according to claim 4 is characterized in that: The guide plates (22) are evenly distributed on both sides of the inner wall of the water guide groove (21), and two groups of water guide support plates (17) are distributed on the top of the first plug plate (2) and the second plug plate (8), and the vertical position of the water guide groove (21) and the drainage hole (7) are mutually adapted.
6. The unit assembled multi-directional displacement bridge expansion device according to claim 1 is characterized in that: A positioning groove (23) is provided inside the fixing block (12), a positioning column (10) is fixed to the top of the base (1), and an adsorption block (24) is fixed to the top of the positioning column (10).
7. The unit assembled multi-directional displacement bridge expansion device according to claim 6 is characterized in that: A magnetic block (25) is fixed to the top end of the inner wall of the positioning groove (23), and an adsorption fixation is formed between the magnetic block (25) and the adsorption block (24).
8. The unit-assembled multi-directional displacement bridge expansion device according to claim 1 is characterized in that: A third slot (13) is provided inside the fixing block (12) at a position close to the top end, a square block (18) is provided inside the third slot (13), a fixing rod (14) is fixed on one side of the square block (18), a gap block (15) is installed on one side of the fixing rod (14), and the fixing rods (14) are symmetrically distributed about the central axis of the gap block (15).