CN112281628B

CN112281628B - Municipal bridge bearing fixed knot constructs

Info

Publication number: CN112281628B
Application number: CN202011163388.9A
Authority: CN
Inventors: 吴国柱; 陈阳; 李雷; 孔宪磊
Original assignee: Tianjin Xinluqiao Construction Engineering Co ltd
Current assignee: Tianjin Xinluqiao Construction Engineering Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2022-09-16
Anticipated expiration: 2040-10-27
Also published as: CN112281628A

Abstract

The utility model relates to a municipal administration bridge bearing fixed knot constructs belongs to municipal administration bridge technical field, and it is including being used for the support frame of being connected with the pier, and support frame top fixedly connected with is used for supporting the support footstock of bolster, its characterized in that: one side fixedly connected with guide bar that the pier was kept away from to the support frame is equipped with the multiunit buffering subassembly on the guide bar, and the multiunit buffering subassembly distributes along guide bar length direction, and the buffering subassembly includes buffer board and elastic component, buffer board and guide bar sliding connection, elastic component be located the buffer board be close to pier one side and with buffer board fixed connection. This application has the effect that improves bearing fixed knot structure's buffer capacity.

Description

Municipal bridge bearing fixed knot constructs

Technical Field

The application relates to municipal bridge field especially relates to a municipal bridge bearing fixed knot constructs.

Background

Municipal bridge is when the construction, increases the stability of being connected between pier and the bolster through bearing fixed knot structure between pier and the bolster.

At present, the current chinese patent that can refer to bulletin number for CN211522831U, it discloses a municipal bridge bearing fixed knot constructs, including the pier, pier top fixedly connected with bolster, the top of pier both sides lateral wall all is equipped with spacing support, two spacing support inner wall four corners are all inserted and are equipped with the bolt No. one, and through a bolt and pier fixed connection, two inside support frame that all insert in spacing support top are equipped with the support holder, two support frame are close to the four corners of spacing support one end and all are inserted and are equipped with the support holder, the support holder top is equipped with the support roof-rack, support roof-rack top and bolster butt, be used for supporting the bolster.

In view of the above-mentioned related art, the inventor believes that there is a drawback that the above-mentioned support fixing structure is rigidly connected and has a poor buffering effect when being collided.

Disclosure of Invention

In order to improve bearing fixed knot and construct the buffering effect, this application provides a municipal bridge bearing fixed knot constructs.

The application provides a pair of municipal bridge bearing fixed knot constructs adopts following technical scheme:

the utility model provides a municipal administration bridge bearing fixed knot constructs, is including being used for the support frame of being connected with the pier, and support frame top fixedly connected with is used for supporting the support footstock of bolster, its characterized in that: one side fixedly connected with guide bar that the pier was kept away from to the support frame is equipped with the multiunit buffering subassembly on the guide bar, and the multiunit buffering subassembly distributes along guide bar length direction, and the buffering subassembly includes buffer board and elastic component, buffer board and guide bar sliding connection, elastic component be located the buffer board be close to pier one side and with buffer board fixed connection.

By adopting the technical scheme, the supporting top seat is abutted against the bottom surface of the bearing beam during use, and the supporting frame is fixedly connected with the bridge pier so as to support the bearing beam. When the support frame is strikeed by the vehicle, at first with the buffer board contact, buffer board compression elastic component, the elastic component absorbs partial impact force, plays the effect to the impact force buffering to reduce the impact force that transmits to the pier, reduce the condition that the pier damaged, and can alleviate the damage degree to the vehicle.

In addition, set up multiunit buffering subassembly, can progressively cushion impact force, improve buffering effect greatly, reduce the damage degree to pier and vehicle, improve the security. Meanwhile, the multiple groups of buffer assemblies are matched, so that the buffer effect is improved, the failure condition caused by the fact that the elastic piece exceeds the elastic range can be reduced, and the service life of the elastic piece is prolonged.

Preferably, a limiting block is arranged between the adjacent buffer plates and fixedly connected with the guide rod.

Through adopting above-mentioned technical scheme, the stopper limits the displacement of buffer board, reduces because of the too big circumstances that makes the elastic component inefficacy of buffer board displacement, improves the life of elastic component to make buffering subassembly exert buffering effect lastingly.

Preferably, the limiting block is made of elastic materials.

Through adopting above-mentioned technical scheme, when the stopper butt of buffer board and elasticity material, the stopper has certain buffering effect to the buffer board, further cushions impact force, improves buffering effect, and in addition, the buffer board reduces the condition that the buffer board damaged with the stopper flexible contact of elasticity material, rigid contact.

Preferably, one side of the supporting top seat far away from the bridge pier is fixedly connected with a fixed seat, and the fixed seat is fixedly connected with an advertisement frame.

Through adopting above-mentioned technical scheme, the setting of advertisement frame is convenient for install the bill-board on the fixing base, provides advertising information.

Preferably, the fixing base length direction one side has been seted up on the surface and has been held the groove, holds that the inslot is embedded to have a stabilizer bar, stabilizer bar and fixing base sliding connection.

Through adopting above-mentioned technical scheme, during the installation bill-board, with the stabilizer bar from holding the inslot roll-off, increase the length of fixing base, when strong wind weather, the stabilizer bar can increase the scope of sheltering from to the bill-board, reduces the condition that the bill-board was scraped absolutely, reduces the bill-board and smashes the condition of hindering passerby to can prevent that the bill-board from scattering on the road, avoid influencing going of vehicle. When need not to install the bill-board, hold the inslot with the stabilizer bar embedding, accomodate easy operation, convenient to use to the stabilizer bar.

Preferably, one side of the stabilizer bar, which is far away from the bridge pier, is provided with a plurality of sliding grooves, the sliding grooves are embedded with butting rods, and a driving spring is connected between the butting rods and the sliding grooves.

Through adopting above-mentioned technical scheme, when holding the groove with the stabilizer bar roll-off, drive spring drive butt pole roll-off sliding tray for the tip of butt pole can with the bill-board butt, and make butt pole and bill-board fixed connection, increase the connection stability of bill-board, and further reduce the condition that windy weather bill-board scraped absolutely.

Preferably, set up the spacing groove on the stabilizer bar, the spacing groove is equipped with two, is located the position that is close to the stabilizer bar both ends respectively, is connected with the gag lever post on the fixing base, and the gag lever post is located and holds groove opening part near, the one end and the fixing base sliding connection of gag lever post, and the other end inserts the spacing inslot.

Through adopting above-mentioned technical scheme, after the stabilizer bar inserted and holds the groove, one of them spacing groove was in the position that corresponds with the stopper, and the stopper that slides makes the one end of stopper insert the spacing inslot, and is spacing to the stabilizer bar, prevents that the stabilizer bar from sliding at will holding the inslot, helps increasing the life of stabilizer bar. After the stabilizer bar slides out, another limiting groove is located at the position corresponding to the limiting block, the limiting block is inserted into the limiting groove corresponding to the limiting block, the stabilizer bar is limited and fixed, the stability of the stabilizer bar is improved, the supporting stability of the billboard is improved, and the fracture condition of the billboard is reduced.

Preferably, the end part of the stabilizer bar is fixedly connected with a connecting rod, and the connecting rod is hinged with an extension rod.

Through adopting above-mentioned technical scheme, downwardly rotating extension bar makes extension bar be in vertical state to make extension bar and bill-board fixed connection, thereby increase the scope of sheltering from to the bill-board in vertical direction, further increase the stability of advertisement row, reduce the bill-board from the cracked condition in bottom. In addition, according to actual need, can make extension bar rotate to arbitrary angle to use the bill-board of equidimension not.

Preferably, a stabilizing rod is arranged between the extension rod and the connecting rod, one end of the stabilizing rod is hinged to the connecting rod, the other end of the stabilizing rod is connected with the extension rod in a sliding mode, and a locking piece is connected between the stabilizing rod and the extension rod.

Through adopting above-mentioned technical scheme, rotate extension bar to suitable position after, will stabilize pole and extension bar fixed connection through the retaining member, reduce the extension bar and the pivoted condition downwards under the action of gravity, improve the stability of extension bar, and then help improving the stability of bill-board. Meanwhile, when the extension bar is fixedly connected with the advertising board, the advertising board is not required to bear the weight of the extension bar, and the damage condition of the advertising board is further reduced.

Preferably, the one end that the extension bar kept away from the connecting rod is equipped with the overlap joint subassembly, and the overlap joint subassembly includes overlap joint ring sum dead lever, dead lever and fixing base sliding connection, overlap joint ring cover establish on the extension bar with dead lever fixed connection.

Through adopting above-mentioned technical scheme, when need not to install the bill-board, rotate extension bar to horizontal position, at first through retaining member with firm pole and extension bar fixed connection for the extension bar is in horizontal position, avoids the extension bar to influence the vehicle and traveles. Then, the dead lever slides for the overlap joint hoop is close to the direction removal of extension bar, and with extension bar pole insert the overlap joint intra-annular, the overlap joint ring supports the tip of extension bar, prevents to make extension bar rotate downwards because of the retaining member inefficacy, thereby further increases the stability of extension bar.

In summary, the present application includes at least one of the following beneficial technical effects:

the buffer assembly is arranged, so that the impact force applied to the support frame can be buffered, the impact force transmitted to the bridge pier is reduced, the damage condition of the bridge pier is reduced, and the damage degree of the vehicle can be reduced; the buffer assemblies are provided with a plurality of groups, so that the progressive buffer can be realized, the buffer effect is improved, and the service life of the elastic part can be prolonged;

due to the arrangement of the limiting blocks, the situation that the elastic piece fails due to the fact that the buffer plate moves too far can be reduced, and on the other hand, the limiting blocks made of elastic materials can buffer the buffer plate, so that the buffering effect is further improved;

the arrangement of the stabilizing rod and the lengthening rod respectively shields and fixes the advertising board in the horizontal direction and the vertical direction, so that the shielding of the advertising board can be increased while the stability of the advertising board is increased, and the condition that the advertising board is scraped in windy weather is reduced;

through setting up the overlap joint subassembly for firm pole and butt ring cooperation support the both ends of extension bar, can prevent on the one hand that the extension bar from rotating downwards, and on the other hand reduces rocking of extension bar, reduces the cracked condition of extension bar.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partial structural schematic view for clearly showing the buffer assembly.

Fig. 4 is a partial structural schematic view aimed at showing the holding tank and the stabilizer bar.

Fig. 5 is a schematic view for showing the structure of the driving spring and the abutting rod.

Fig. 6 is a schematic view intended to show the structure of the stabilizer bar.

Fig. 7 is a partially enlarged view at B in fig. 6.

Fig. 8 is a partial enlarged view at C in fig. 6.

Description of reference numerals: 1. a bridge pier; 2. a bolster; 3. a support frame; 31. supporting the top seat; 32. a guide bar; 321. a limiting block; 322. a limiting plate; 33. a buffer tank; 331. a buffer ceiling; 332. a pressure spring; 4. a buffer assembly; 41. a buffer plate; 42. a buffer spring; 5. a fixed seat; 51. an advertisement frame; 511. a rectangular frame; 512. a horizontal bar; 52. a containing groove; 53. a stabilizer bar; 531. a sliding groove; 532. abutting against the connecting rod; 5321. a butt joint plate; 533. accommodating grooves; 534. a drive spring; 535. a limiting groove; 54. a limiting rod; 6. a connecting rod; 61. lengthening a rod; 611. a first chute; 612. a first slider; 613. locking the bolt; 62. a stabilizing rod; 7. an overlapping component; 71. a lap joint ring; 72. fixing the rod; 721. fixing the bolt; 722. a second slider; 723. a second runner.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses municipal bridge bearing fixed knot constructs. With reference to fig. 1 and 2, a municipal bridge bearing fixing structure comprises a support frame 3 connected with a pier 1, a support top seat 31 fixedly connected with the top surface of the support frame 3 and used for supporting the bolster 2, a horizontal guide rod 32 fixedly connected with one side of the support frame 3 far away from the pier 1, and a plurality of groups of buffer assemblies 4 connected with the guide rod 32.

Referring to fig. 3, the support frame 3 includes a rectangular frame and a reinforcing plate, the reinforcing plate is obliquely disposed inside the rectangular frame, the bottom end of the reinforcing plate is fixedly connected to the inner wall of the rectangular frame close to the pier 1, and the top end of the reinforcing plate is inclined in the direction away from the pier 1 and is fixedly connected to the top wall of the rectangular frame. Support footstock 31 and be the cube form structure, length direction is the same with 2 length direction of bolster, supports footstock 31 top surface and has seted up rectangular dashpot 33, and the dashpot 33 is embedded to have a buffer roof 331, and the bottom surface fixedly connected with pressure spring 332 of buffer roof 331, the flexible direction of pressure spring 332 are vertical direction, and pressure spring 332 and buffer 33 diapire fixed connection.

The guide rods 32 have a cylindrical structure, and four guide rods 32 are provided, and are respectively located at four corners of the surface of the support frame 3 on the side away from the pier 1. The embodiment is provided with two groups of buffer assemblies 4, and the two groups of buffer assemblies 4 are distributed along the axial direction of the guide rod 32. Buffer unit 4 includes buffer board 41 and elastic component, and the vertical setting of buffer board 41 to the cover is established on guide bar 32 and is connected with guide bar 32 sliding, and support frame 3's one end fixedly connected with limiting plate 322 is kept away from to guide bar 32, prevents that buffer board 41 and guide bar 32 from breaking away from. The elastic component is buffer spring 42, and buffer spring 42 is located the buffer board 41 and is close to one side of support frame 3, and flexible direction is the horizontal direction, and buffer spring 42 is equipped with a plurality ofly to evenly distributed is on the surface of buffer board 41 and buffer board 41 fixed connection.

Referring back to fig. 2, two limiting blocks 321 made of rubber materials are fixedly connected to the guide rod 32, the limiting blocks 321 are in a ring shape coaxial with the guide posts, and the two limiting blocks 321 are respectively located on one side of the two limiting plates 322 close to the support frame 3, so that the two limiting blocks 321 respectively limit the two buffer plates 41.

When an impact is applied to the buffer plate 41, the buffer plate moves in a direction approaching the support frame 3 and compresses the buffer springs 42, so that the buffer springs 42 buffer the impact force and reduce the impact force transmitted to the pier 1. When the buffer plate 41 moves to abut against the stopper 321, the buffer plate stops moving, thereby protecting the buffer spring 42 and reducing the failure of the buffer spring 42.

Referring to fig. 3, a cubic fixing seat 5 is fixedly connected to a side of the supporting shoe 31 away from the pier 1, and a longitudinal direction of the fixing seat 5 is perpendicular to a longitudinal direction of the supporting shoe 31. An advertisement frame 51 for fixing the advertisement board is fixedly connected to one side of the fixed seat 5 far away from the bridge pier 1. With reference to fig. 4, the advertisement frame 51 includes a rectangular frame 511 and a horizontal rod 512, the rectangular frame 511 is vertically disposed, the horizontal rod 512 is horizontally disposed in a plurality, one end of the horizontal rod 512 is fixedly connected to the fixing base 5, and the other end of the horizontal rod 512 is fixedly connected to the rectangular frame 511.

Referring to fig. 4, a holding groove 52 is opened on one side of the fixing seat 5 in the length direction, a stabilizer bar 53 is slidably connected in the holding groove 52, and the periphery of the stabilizer bar 53 abuts against the inner wall of the holding groove 52. Referring to fig. 5, two limiting grooves 535 are formed on the top surface of the stabilizing bar 53, and the two limiting grooves 535 are respectively located at positions close to two ends of the stabilizing bar 53. The top surface of the fixing base 5 is slidably connected with a limiting rod 54, the sliding direction is vertical, the limiting rod 54 is located at the position close to the opening of the containing groove 52, and the bottom end of the limiting rod 54 penetrates through the fixing base 5 and then is inserted into the limiting groove 535.

Referring to fig. 5, a plurality of sliding grooves 531 are formed in one side of the stabilizer bar 53 away from the pier 1, the plurality of sliding grooves 531 are distributed at intervals along the length direction of the stabilizer bar 53, the longitudinal section of each sliding groove 531 is circular, a cylindrical abutting rod 532 coaxial with the sliding groove 531 is slidably connected in the sliding groove 531, a driving spring 534 is arranged between the abutting rod 532 and the inner wall of the sliding groove 531, the expansion direction of the driving spring 534 is the same as the axial direction of the abutting rod 532, one end of the driving spring 534 is fixedly connected with the abutting rod 532, and the other end of the driving spring 534 is fixedly connected with the bottom wall of the sliding groove 531.

With reference to fig. 4 and 5, an end portion of the abutting rod 532 is fixedly connected with an abutting plate 5321 coaxial with the abutting rod 532, a diameter of the abutting plate 5321 is larger than a diameter of the abutting rod 532, and a side of the abutting plate 5321 away from the pier 1 is flush with a side of the rectangular frame 511 away from the pier 1. The abutting plate 5321 is provided with a plurality of fixing holes which are circumferentially arrayed along the axis of the abutting plate 5321. A circular receiving groove 533 coaxial with the sliding groove 531 is formed on a side of the stabilizer bar 53 away from the pier 1, and a diameter of the receiving groove 533 is the same as a diameter of the abutting plate 5321, so that the abutting plate 5321 is inserted into the receiving groove 533.

When the billboard is fixed, the billboard is fixed through the billboard frame 51; then, the sliding stopper rod 54 releases the restriction of the stabilizer bar 53, and slides the stabilizer bar 53 outward, and when the stabilizer bar 53 slides to another stopper groove 535 to correspond to the stopper rod 54, the stopper rod 54 is inserted into the stopper groove 535 to limit the stabilizer bar 53; at this time, the contact lever 532 slides out of the housing groove 533 by the driving of the driving spring 534, so that the contact plate 5321 contacts the signboard; finally, the abutting plate 5321 is fixedly connected with the advertising board through bolts, so that the connection stability of the advertising board in the horizontal direction is improved, and the situation that the advertising board is scraped off is reduced.

Referring to fig. 5, the end of the stabilizer bar 53 is fixedly connected with a connecting rod 6, the connecting rod 6 is vertically arranged, the bottom end is hinged with an extension rod 61, and the axial direction of the hinge shaft is the same as the width direction of the fixing seat 5. One side that extension bar 61 kept away from pier 1 flushes with one side that rectangular frame 511 kept away from pier 1, and has seted up a plurality of enhancement holes on the extension bar 61, strengthens the hole along extension bar 61 length direction interval distribution. With reference to fig. 6 and 7, a stabilizing rod 62 is disposed between the extension rod 61 and the connecting rod 6, the stabilizing rod 62 is disposed on one side of the extension rod 61 close to the pier 1, one end of the stabilizing rod 62 is hinged to the connecting rod 6, and the other end of the stabilizing rod is connected with the extension rod 61 in a sliding manner. The surface of the extension bar 61 close to one side of the stabilizing bar 62 is provided with a first sliding groove 611, the first sliding groove 611 is a T-shaped groove, the first sliding groove 611 is connected with a first sliding block 612 in a sliding manner, the first sliding block 612 is cylindrical, the first sliding block 612 is fixedly connected with a rotating shaft coaxial with the first sliding block, and the rotating shaft extends out of the sliding groove and then is connected with the stabilizing bar 62 in a rotating manner. A locking piece is connected between the rotating shaft and the extension bar 61, the locking piece is a locking bolt 613, and the locking bolt 613 penetrates through the rotating shaft and then is tightly abutted to the bottom wall of the first sliding groove 611.

Referring to fig. 5, the end of the extension bar 61 away from the stabilizing bar 62 is provided with the lap joint assembly 7, the lap joint assembly 7 includes a lap joint ring 71 and a fixing bar 72, the fixing bar 72 is located below the fixing base 5 and is in sliding connection with the fixing base 5, the lap joint ring 71 is in a rectangular frame-shaped structure, the lap joint ring 71 is sleeved on the extension bar 61 and is in sliding connection with the extension bar 61, and the top end of the lap joint ring 71 is fixedly connected with the fixing bar 72. With reference to fig. 6 and 8, a second sliding groove 723 is formed in the bottom surface of the fixing base 5, the second sliding groove 723 is a T-shaped groove, a length direction of the second sliding groove 723 is the same as a length direction of the extension bar 61, a second sliding block 722 matched with the second sliding groove 723 is connected in a sliding manner, the second sliding block 722 is fixedly connected with the fixing rod 72, a fixing bolt 721 is connected to the second sliding block 722 in a threaded manner, and the fixing bolt 721 penetrates through the second sliding block 722 to be tightly abutted to an inner wall of the second sliding groove 723.

The fixing bolt 721 fixes the second slider 722 is released, and the second slider 722 is slid, so that the fixing rod 72 drives the lap ring 71 to move in the direction away from the extension bar 61 and separate from the extension bar 61; then, the fixing of the locking bolt 613 to the rotating shaft is released, the extension bar 61 is rotated downwards, and after the extension bar 61 is rotated to a required position, the locking bolt 613 is screwed down to prevent the extension bar 61 from continuing to rotate; finally, the extension bar 61 is fixedly connected with the billboard through bolts.

The implementation principle of the municipal bridge bearing fixing structure in the embodiment of the application is as follows: firstly, abutting a supporting top seat 31 with a bearing beam 2, abutting a supporting frame 3 with a pier 1, and fixedly connecting the supporting frame 3 with the pier 1; then, the billboard is hung through the advertisement frame 51, the stabilizing rod 53 is slid outwards, and the abutting rod 532 slides out under the action of the driving spring 534, so that the abutting plate 5321 abuts against and is fixedly connected with the billboard; then, sliding the overlapping ring 71 to separate the overlapping ring 71 from the extension bar 61, rotating the extension bar 61 downwards, rotating the extension bar 61 to a proper position, and fixedly connecting the stabilizing rod 62 with the extension bar 61 through the locking bolt 613; finally, the extension bar 61 is fixedly connected with the advertising board, so that the stability of the advertising board in the vertical direction is improved. This application cushions the impact force of striking through setting up buffering subassembly 4, and in addition, stabilizer bar 53 and extension bar 61 cooperation are strengthened fixedly on bill-board horizontal direction and vertical direction, have increased the stability of bill-board.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a municipal bridge bearing fixed knot constructs, is including being used for support frame (3) be connected with pier (1), and support frame (3) top fixedly connected with is used for supporting support footstock (31) of bolster (2), its characterized in that: one side, far away from the pier (1), of the support frame (3) is fixedly connected with a guide rod (32), a plurality of groups of buffer assemblies (4) are arranged on the guide rod (32), the plurality of groups of buffer assemblies (4) are distributed along the length direction of the guide rod (32), each buffer assembly (4) comprises a buffer plate (41) and an elastic piece, the buffer plates (41) are connected with the guide rod (32) in a sliding mode, and the elastic pieces are located on one side, close to the pier (1), of each buffer plate (41) and are fixedly connected with the buffer plates (41); one side of the supporting top seat (31) far away from the bridge pier (1) is fixedly connected with a fixed seat (5), and an advertisement frame (51) is fixedly connected to the fixed seat (5); the surface of one side of the fixed seat (5) in the length direction is provided with a containing groove (52), a stabilizing rod (53) is embedded in the containing groove (52), and the stabilizing rod (53) is connected with the fixed seat (5) in a sliding manner; the end part of the stabilizing rod (53) is fixedly connected with a connecting rod (6), the connecting rod (6) is hinged with an extension rod (61), a stabilizing rod (62) is arranged between the extension rod (61) and the connecting rod (6), one end of the stabilizing rod (62) is hinged with the connecting rod (6), the other end of the stabilizing rod (62) is connected with the extension rod (61) in a sliding manner, and a locking part is connected between the stabilizing rod (62) and the extension rod (61); one end, far away from the connecting rod (6), of the extension rod (61) is provided with a lapping assembly (7), the lapping assembly (7) comprises a lapping ring (71) and a fixing rod (72), the fixing rod (72) is connected with the fixing seat (5) in a sliding mode, and the lapping ring (71) is sleeved on the extension rod (61) and fixedly connected with the fixing rod (72); one side of the stabilizer bar (53) far away from the bridge pier (1) is provided with a plurality of sliding grooves (531), the sliding grooves (531) are embedded with abutting rods (532), and a driving spring (534) is connected between the abutting rods (532) and the sliding grooves (531).

2. The municipal bridge bearing fixing structure of claim 1, wherein: and a limiting block (321) is arranged between the adjacent buffer plates (41), and the limiting block (321) is fixedly connected with the guide rod (32).

3. The municipal bridge bearing fixing structure of claim 2, wherein: the limiting block (321) is made of an elastic material.

4. The municipal bridge bearing fixing structure of claim 1, wherein: offer spacing groove (535) on stabilizer bar (53), spacing groove (535) are equipped with two, are located the position that is close to stabilizer bar (53) both ends respectively, are connected with gag lever post (54) on fixing base (5), and the gag lever post is located and holds groove (52) opening part near, the one end and the fixing base (5) sliding connection of gag lever post, and the other end inserts in spacing groove (535).