Anti-seismic supporting component for roads and bridges

Abstract

The utility model discloses an anti-seismic supporting member for roads and bridges, which relates to the field of road construction and comprises an upper seat plate, a lower seat plate is arranged below the upper seat plate, an upper matching clamping piece is fixedly mounted in the middle of the lower surface of the upper seat plate, a lower matching sleeve piece is fixedly mounted in the middle of the upper surface of the lower seat plate, and the upper matching clamping piece is positioned inside a mounting component. A first pipe groove is formed in the upper seat plate, a second pipe groove and a cross-shaped pipe groove are formed in the upper matching clamping piece, the first pipe groove, the second pipe groove and the cross-shaped pipe groove are sequentially communicated, a sealing rubber ring is fixedly installed at the upper end of the upper matching clamping piece, and four evenly-distributed sealing rubber blocks are fixedly installed in the lower matching sleeve piece. By arranging the oil pot, lubricating oil can be automatically added during use, the lubricating oil can be driven to circulate, the loss of the lubricating oil is reduced, whether the lubricating oil needs to be added or not does not need to be judged manually, and the upper matching clamping piece and the lower L-shaped plate can be automatically lubricated.

Description

Technical Field

[0001] The utility model relates to the field of road construction, and particularly relates to an anti-seismic support member for road bridges. Background Art

[0002] Traditional bridge anti-seismic measures are all to fix bridges by using various anti-seismic bearings. The anti-seismic bearings can play a role in protecting bridges and are used to eliminate the stress generated by vibrations. Common bearings on the market can be divided into spherical bearings, pot rubber bearings, and plate rubber bearings according to their structures and functions.

[0003] Among them, the spherical bearing performs excellently in transmitting bridge loads. The rotational performance in all directions is consistent, and the force transmission path is clear and stable. The spherical bearing not only inherits the advantages of the pot rubber bearing, such as strong load-bearing capacity and large horizontal displacement, but also can meet the need of large rotation angles, making it particularly suitable for bridges with complex structures such as wide bridges, slope bridges, and curved bridges. The spherical bearing has good elasticity, can effectively reduce vibrations and avoid fractures caused by earthquakes, ensuring the safety of bridges in natural disasters such as earthquakes. The spherical bearing can adapt to temperature changes and building displacements, ensuring the stability of bridges under various environmental conditions, and can withstand lateral loads and rotational loads, meeting the use requirements of bridges under various working conditions.

[0004] Although the spherical bearing has more advantages and is more suitable for bridge anti-seismic, in order to ensure the normal operation and extend the service life of the spherical bearing, regular maintenance and inspection are required, such as regularly lubricating the spherical surface, etc. Moreover, the design of the spherical bearing is relatively precise, and the situation of the spherical surface cannot be observed from the outside, and it is impossible to directly judge whether the lubricating oil on the spherical surface is sufficient. Only the internal lubricating oil situation can be judged according to time or experience, and then workers carry out the operation of adding lubricating oil and maintenance. This method is likely to lead to the situation where the lubricating oil has been used up but cannot be recognized, resulting in long-term friction between the spherical surface and the concave surface and causing damage, thereby affecting the service life of the spherical bearing.

[0005] Therefore, it is very necessary to propose an anti-seismic support member for road bridges to solve the above problems. Summary of the Invention

[0006] The purpose of the utility model is to provide an anti-seismic support member for road bridges to solve the problem that the above-mentioned spherical bearing needs to be maintained manually frequently, and it is easy to cause wear due to dryness, resulting in a reduction in service life.

[0007] To achieve the above object, the utility model provides the following technical solution: an anti-seismic support member for a road bridge, including an upper seat plate, a lower seat plate is provided below the upper seat plate, a upper mating fixture is fixedly installed in the middle of the lower surface of the upper seat plate, a lower mating sleeve is fixedly installed in the middle of the upper surface of the lower seat plate, the upper mating fixture is located inside the lower mating sleeve, a first pipe groove is opened inside the upper seat plate, a second pipe groove and a cross pipe groove are opened inside the upper mating fixture, the first pipe groove, the second pipe groove, and the cross pipe groove are communicated in sequence, a sealing rubber ring is fixedly installed at the upper end of the upper mating fixture, four uniformly distributed sealing rubber blocks are fixedly installed inside the lower mating sleeve, the upper mating fixture, the sealing rubber ring, and the four sealing rubber blocks separate four chambers inside the lower mating sleeve, the four ends of the cross pipe groove are respectively communicated with the four chambers, an oil pot is provided on one side of the upper seat plate, and the inside of the oil pot is filled with lubricant.

[0008] Preferably, a first pipe is fixedly installed inside the oil pot, one end of the first pipe extends to the outside of the oil pot and is fixedly installed with a second pipe, the second pipe is slidably installed inside the first pipe groove in a detachable manner, a third pipe is fixedly installed at one end of the first pipe away from the second pipe, and the third pipe is located at the bottom end inside the oil pot and is communicated with the inside of the upper seat plate.

[0009] Preferably, two symmetrically arranged mounting components are fixedly installed on one side of the upper seat plate close to the oil pot, the mounting component includes a first mounting block, a second mounting block is provided on one side of the first mounting block, a plurality of card slots are opened on one side of the first mounting block close to the second mounting block, and a spring telescopic rod is rotatably installed inside the card slot, and one end of the spring telescopic rod away from the first mounting block is fixedly installed on the second mounting block.

[0010] Preferably, mating grooves are opened on both the first mounting block and the second mounting block, and clamping blocks are fixedly installed on both sides of the oil pot.

[0011] Preferably, the lower end of the upper mating fixture has a spherical convex surface, and the inside of the lower mating sleeve has a concave spherical surface, and the spherical convex surface and the spherical concave surface cooperate with each other.

[0012] Preferably, a first L-shaped plate is fixedly installed on one side of the upper seat plate close to the lower seat plate, and a lower L-shaped plate is fixedly installed on one side of the lower seat plate close to the upper seat plate.

[0013] Preferably, a plurality of through grooves are opened above the third pipe.

[0014] Preferably, upper mounting nails are fixedly installed at the four corner positions of the upper surface of the upper seat plate, and lower mounting nails are fixedly installed at the four corner positions of the lower surface of the lower seat plate.

[0015] Technical effects and advantages of the utility model:

[0016] 1. This device is equipped with an oil pot, so that lubricating oil can be automatically added during use, and the lubricating oil can be driven to circulate, reducing the loss of lubricating oil. There is no need to manually judge whether lubricating oil needs to be added, and the upper matching clamp and the lower L-shaped plate can be automatically lubricated;

[0017] 2. The utility model provides an oil pot, because the oil pot is made of transparent material and the lubricating oil can circulate inside the oil pot, so the state of the lubricating oil inside the oil pot can be observed from the outside, and the current situation inside the matching kit and whether the lubricating oil has expired can be obtained intuitively, so as to better maintain the support, prolong the service life and reduce the occurrence of loss;

[0018] 3. The device is provided with mounting components, and the disassembly operation can be realized only by rotating the second mounting block and then pulling out the oil pot, and then inserting a new oil pot and rotating the second mounting block back to its original position to realize the disassembly of the oil pot. The disassembly is convenient and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic structural diagram of an anti-seismic support component for a road bridge.

[0020] Figure 2 The utility model is a schematic diagram of the disassembled structure of the seismic support component for the road bridge.

[0021] Figure 3 It is a cross-sectional view of the upper seat plate and the lower seat plate in the utility model.

[0022] Figure 4 It is a structural schematic diagram of the oil pot and the mounting components in the utility model.

[0023] In the figure: 1, upper seat plate; 2, lower seat plate; 3, oil pot; 11, upper matching clamp; 12, mounting component; 13, first pipe groove; 21, lower matching kit; 22, sealing rubber block; 31, first pipe; 32, second pipe; 33, third pipe; 34, through groove; 35, clamping block; 111, second pipe groove; 112, cross pipe groove; 113, sealing rubber ring; 114, first L-shaped plate; 115, upper mounting nail; 121, first mounting block; 122, second mounting block; 123, clamping groove; 124, matching groove; 125, spring telescopic rod; 211, concave spherical surface; 212, lower L-shaped plate; 213, lower mounting nail. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] The present utility model provides a seismic support member for a road bridge as shown in Figures 1 - 4 Figure. The seismic support member includes an upper seat plate 1. A lower seat plate 2 is arranged below the upper seat plate 1. Upper mounting nails 115 are fixedly installed at the four corner positions on the upper surface of the upper seat plate 1. Lower mounting nails 213 are fixedly installed at the four corner positions on the lower surface of the lower seat plate 2. A upper mating clip 11 is fixedly installed in the middle of the lower surface of the upper seat plate 1. A lower mating sleeve 21 is fixedly installed in the middle of the upper surface of the lower seat plate 2. The upper mating clip 11 is located inside the lower mating sleeve 21. The lower end of the upper mating clip 11 has a spherical convex surface. The inside of the lower mating sleeve 21 has a concave spherical surface 211. The spherical convex surface and the spherical concave surface cooperate with each other. A first L-shaped plate 114 is fixedly installed on one side of the upper seat plate 1 close to the lower seat plate 2. A lower L-shaped plate 212 is fixedly installed on one side of the lower seat plate 2 close to the upper seat plate 1.

[0026] During installation, the lower mounting nails 213 are inserted into the reserved holes on the bridge pier, and then concrete is used for pouring. Then, when the bridge deck is constructed, the upper mounting nails 115 are fixedly installed with the lower part of the bridge deck by pouring. When the bridge is shaken, the upper mating clip 11 can deflect to a certain extent inside the lower mating sleeve 21. Due to the cooperation of the spherical convex surface and the concave spherical surface 211, it can eliminate the forces transmitted from all directions. This is the working principle of a common spherical bearing in the prior art. The first L-shaped plate 114 and the lower mating sleeve 21 are engaged with each other. This method can prevent the deflection angle of the upper mating clip 11 from being too large and causing irreversible damage, and can also prevent sundries such as insects or stones from entering the inside of the lower mating sleeve 21 during use, ensuring the stability of the structure.

[0027] The interior of the upper seat plate 1 is provided with a first pipe groove 13. The interior of the upper mating clip 11 is provided with a second pipe groove 111 and a cross pipe groove 112. The first pipe groove 13, the second pipe groove 111, and the cross pipe groove 112 are communicated in sequence. A sealing rubber ring 113 is fixedly installed at the upper end of the upper mating clip 11. Four evenly distributed sealing rubber blocks 22 are fixedly installed inside the lower mating kit 21. The upper mating clip 11, the sealing rubber ring 113, and the four sealing rubber blocks 22 partition the interior of the lower mating kit 21 into four chambers. The four ends of the cross pipe groove 112 are respectively communicated with the four chambers. One side of the upper seat plate 1 is provided with an oil pot 3. The interior of the oil pot 3 is filled with lubricant. A first pipe 31 is fixedly installed inside the oil pot 3. One end of the first pipe 31 extends outside the oil pot 3 and is fixedly installed with a second pipe 32. The second pipe 32 is slidably installed inside the first pipe groove 13 in a detachable manner. One end of the first pipe 31 far from the second pipe 32 is fixedly installed with a third pipe 33. The third pipe 33 is located at the inner bottom end of the oil pot 3 and is communicated with the interior of the upper seat plate 1. A plurality of through grooves 34 are opened above the third pipe 33.

[0028] Traditional bridge seismic measures are all about fixing the bridge by using various seismic bearings. Seismic bearings can play a role in protecting the bridge and are used to eliminate the stress generated by vibrations. Common bearings on the market can be divided into spherical bearings, pot rubber bearings, and plate rubber bearings according to their structures and functions. Among them, spherical bearings perform well in transmitting bridge loads, have the same rotational performance in all directions, and the force transmission path is clear and stable. Spherical bearings not only inherit the advantages of pot rubber bearings, such as strong load-bearing capacity and large horizontal displacement, but also can meet the needs of large rotations, making them particularly suitable for bridges with complex structures such as wide bridges, slope bridges, and curved bridges. Spherical bearings have good elasticity, can effectively reduce vibrations and avoid fractures caused by earthquakes, ensuring the safety of bridges in natural disasters such as earthquakes. Spherical bearings can adapt to temperature changes and building displacements, ensuring the stability of bridges under various environmental conditions, and can withstand lateral loads and rotational loads, meeting the usage requirements of bridges under various working conditions.

[0029] Although spherical bearings have more advantages and are more suitable for bridge seismic resistance, in order to ensure the normal operation and extend the service life of spherical bearings, regular maintenance and inspections are required, such as regularly lubricating the spherical surface, etc. Moreover, the design of spherical bearings is relatively precise, and the situation of the spherical surface cannot be seen from the outside, and it is impossible to intuitively judge whether the lubricating oil on the spherical surface is sufficient. One can only judge the situation of the internal lubricating oil according to time or experience, and then workers carry out the operation of adding lubricating oil and maintenance. This method is likely to lead to the situation where the lubricating oil has been used up but cannot be recognized, resulting in long-term friction between the spherical surface and the concave surface and causing damage, thereby affecting the service life of spherical bearings.

[0030] Therefore, by setting up the oil pot 3, a new oil pot 3 is replaced during installation. At this time, the inside of the oil pot 3 is filled with lubricant. The second pipe 32 is inserted into the inside of the first pipe slot 13. When the device is vibrated to generate stress, the upper mating part 11 rotates at a certain angle inside the lower mating part 21. When the upper mating part 11 rotates, it will squeeze some of the chambers. The pressure inside this part of the chambers will increase suddenly, while the non-squeezed chambers will be stretched, and then the air pressure inside them will suddenly decrease. There are partitions inside the first pipe slot 13 and the second pipe 32. The partitions divide the first pipe slot 13 and the second pipe 32 to form four pipes, and the four pipes are respectively connected to the four branches of the cross pipe slot 112. The squeezed chambers will squeeze the liquid inside into the inside of the cross pipe slot 112, and finally enter the inside of the oil pot 3 through the cross pipe slot 112, the first pipe slot 13, and the second pipe 32. Because of the negative pressure, the stretched chambers will suck lubricating oil from the inside of the oil pot 3 through the first pipe slot 13 and the second pipe 32. After long-term use, the lubricating oil inside the chambers will gradually decrease due to evaporation and oxidation. At this time, gas is generated inside the chambers. When the gas is squeezed, it will enter the inside of the oil pot 3 through the third pipe 33. The inside of the oil pot 3 is filled with lubricating oil, so the gas will rise to the upper part inside the oil pot 3. Because of the third pipe 33, when the chambers suck, they will suck lubricating oil from the bottom end inside the oil pot 3, avoiding sucking in air, and can also achieve the balance of the lubricating oil between the chambers and the inside of the oil pot 3, driving the lubricating oil to circulate. When the lubricating oil inside the chambers is consumed, the oil pot 3 can timely add lubricating oil to the inside of the chambers without manual addition. It should be noted that the oil pot 3 is made of transparent material. Because the lubricating oil between the chambers and the inside of the oil pot 3 will circulate in real time according to the vibration of the bridge, the situation inside the spherical bearing can be directly obtained by observing the remaining amount and state of the lubricating oil inside the oil pot 3, preventing the wear of the upper mating part 11 caused by insufficient lubricating oil.

[0031] On one side of the upper seat plate 1 close to the oil pot 3, two symmetrically arranged mounting components 12 are fixedly installed. The mounting component 12 includes a first mounting block 121. On one side of the first mounting block 121, there is a second mounting block 122. On the side of the first mounting block 121 close to the second mounting block 122, a plurality of card slots 123 are opened. Inside the card slots 123, a spring telescopic rod 125 is rotatably installed. The end of the spring telescopic rod 125 far from the first mounting block 121 is fixedly installed on the second mounting block 122. Matching slots 124 are opened on both the first mounting block 121 and the second mounting block 122. On both sides of the oil pot 3, card blocks 35 are fixedly installed.

[0032] When the lubricating oil inside the oil pot 3 is consumed a lot, or when the lubricating oil has been used for too long and becomes viscous and ineffective, the second mounting block 122 can be rotated to one side of the first mounting block 121. At this time, the clamping block 35 is released, and the oil pot 3 is taken out. At the same time, the second pipe 32 slides out from the inside of the first pipe groove 13. Then, a new oil pot 3 is taken out, the clamping block 35 is slid and clamped into the inside of the mating groove 124, and then the second mounting block 122 is rotated so that the second mounting block 122 clamps the clamping block 35, thereby realizing the replacement of the oil pot 3.

[0033] Working principle: During installation, the lower mounting nail 213 is inserted into the reserved hole on the pier, and then concrete is used for pouring. Then, when the bridge deck is built, the upper mounting nail 115 is poured and fixed under the bridge deck. When the bridge is vibrated, the upper mating part 11 can deflect to a certain extent inside the lower mating part 21. Due to the cooperation of the spherical convex surface and the concave spherical surface 211, it can eliminate the forces transmitted from all directions. This is the working principle of the existing common spherical bearing. The first L-shaped plate 114 and the lower mating part 21 are engaged with each other. This method can prevent the upper mating part 11 from deflecting too much and causing irreversible damage, and can also prevent sundries such as insects or stones from entering the inside of the lower mating part 21 during use;

[0034] By setting up the oil pot 3, a new oil pot 3 is replaced during installation. At this time, the inside of the oil pot 3 is filled with lubricant. The second pipe 32 is inserted into the inside of the first pipe groove 13. When the device is vibrated to generate stress, the upper mating clip 11 rotates at a certain angle inside the lower mating kit 21. When the upper mating clip 11 rotates, it will squeeze some of the chambers. The pressure inside this part of the chambers will increase suddenly, while the non-squeezed chambers will be stretched, and then the air pressure inside them will suddenly decrease. There are partitions inside the first pipe groove 13 and the second pipe 32. The partitions divide the first pipe groove 13 and the second pipe 32 to form four pipes, and the four pipes are respectively connected to the four branches of the cross pipe groove 112. The squeezed chambers will squeeze the liquid inside into the inside of the cross pipe groove 112, and finally enter the inside of the oil pot 3 through the cross pipe groove 112, the first pipe groove 13, and the second pipe 32. Because of the negative pressure, the stretched chambers will suck lubricating oil from the inside of the oil pot 3 through the first pipe groove 13 and the second pipe 32. After long-term use, the lubricating oil inside the chambers will gradually decrease due to evaporation and oxidation. At this time, gas is generated inside the chambers. When the gas is squeezed, it will enter the inside of the oil pot 3 through the third pipe 33. Since the inside of the oil pot 3 is filled with lubricating oil, the gas will rise to the upper part inside the oil pot 3. Because of the third pipe 33, when the chambers suck, they will suck lubricating oil from the bottom end inside the oil pot 3, avoiding sucking in air, and can also achieve the balance of the lubricating oil between the chambers and the inside of the oil pot 3, driving the lubricating oil to circulate. When the lubricating oil inside the chambers is consumed, the oil pot 3 can timely add lubricating oil to the inside of the chambers without manual addition. It should be noted that the oil pot 3 is made of transparent material. Because the lubricating oil between the chambers and the inside of the oil pot 3 will circulate in real time according to the vibration of the bridge, the situation inside the spherical bearing can be directly obtained by observing the remaining amount and state of the lubricating oil inside the oil pot 3, preventing the situation that the upper mating clip 11 is worn due to insufficient lubricating oil;

[0035] When the lubricating oil inside the oil pot 3 is consumed more, or when the lubricating oil is used for too long and becomes viscous and ineffective, the second mounting block 122 can be rotated to one side of the first mounting block 121. At this time, the clamping block 35 is released, and the oil pot 3 is taken out. At the same time, the second pipe 32 slides out from the inside of the first pipe groove 13. Then a new oil pot 3 is taken out, the clamping block 35 is slid and clamped into the inside of the mating groove 124, and then the second mounting block 122 is rotated so that the second mounting block 122 clamps the clamping block 35, thereby realizing the replacement of the oil pot 3.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A seismic support member for a road bridge, comprising an upper seat plate (1), characterized in that: A lower seat plate (2) is provided below the upper seat plate (1); an upper mating clamp (11) is fixedly mounted in the middle of the lower surface of the upper seat plate (1); a lower mating set (21) is fixedly mounted in the middle of the upper surface of the lower seat plate (2); the upper mating clamp (11) is located inside the lower mating set (21); a first pipe groove (13) is provided inside the upper seat plate (1); a second pipe groove (111) and a cross pipe groove (112) are provided inside the upper mating clamp (11); the first pipe groove (13), the second pipe groove (111) and the cross pipe groove (112) are The grooves (112) are connected in sequence, a sealing rubber ring (113) is fixedly installed on the upper end of the upper matching clamp (11), and four evenly distributed sealing rubber blocks (22) are fixedly installed inside the lower matching kit (21). The upper matching clamp (11), the sealing rubber ring (113), and the four sealing rubber blocks (22) separate the interior of the lower matching kit (21) into four chambers, and the four ends of the cross tube groove (112) are respectively connected to the four chambers. An oil pot (3) is provided on one side of the upper seat plate (1), and the interior of the oil pot (3) is filled with lubricant.

2. The seismic support member for a road bridge according to claim 1, characterized in that: A first pipe (31) is fixedly installed inside the oil pot (3); one end of the first pipe (31) extends to the outside of the oil pot (3) and is fixedly installed with a second pipe (32); the second pipe (32) is detachably slidably installed inside the first pipe groove (13); a third pipe (33) is fixedly installed at one end of the first pipe (31) away from the second pipe (32); the third pipe (33) is located at the bottom end of the inside of the oil pot (3) and is connected to the inside of the upper seat plate (1).

3. The seismic support member for a road bridge according to claim 1, characterized in that: Two mutually symmetrical mounting components (12) are fixedly mounted on a side of the upper seat plate (1) close to the oil pot (3), the mounting component (12) comprising a first mounting block (121), a second mounting block (122) being provided on one side of the first mounting block (121), a plurality of slots (123) being provided on a side of the first mounting block (121) close to the second mounting block (122), a spring telescopic rod (125) being rotatably mounted inside the slot (123), and an end of the spring telescopic rod (125) away from the first mounting block (121) being fixedly mounted on the second mounting block (122).

4. The seismic support member for a road bridge according to claim 3, characterized in that: The first mounting block (121) and the second mounting block (122) are both provided with matching grooves (124), and clamping blocks (35) are fixedly mounted on both sides of the oil pot (3).

5. The seismic support member for a road bridge according to claim 1, characterized in that: The lower end of the upper matching clamp (11) has a spherical convex surface, and the interior of the lower matching sleeve (21) has a concave spherical surface (211), and the spherical convex surface and the spherical concave surface cooperate with each other.

6. The seismic support member for a road bridge according to claim 1, characterized in that: A first L-shaped plate (114) is fixedly mounted on one side of the upper seat plate (1) close to the lower seat plate (2), and a lower L-shaped plate (212) is fixedly mounted on one side of the lower seat plate (2) close to the upper seat plate (1).

7. The seismic support member for a road bridge according to claim 2, characterized in that: A plurality of through slots (34) are provided above the third pipe (33).

8. The seismic support member for a road bridge according to claim 1, characterized in that: Upper mounting nails (115) are fixedly mounted at the four corners of the upper surface of the upper seat plate (1), and lower mounting nails (213) are fixedly mounted at the four corners of the lower surface of the lower seat plate (2).

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