CN219862351U - High-speed railway bridge buffer stop - Google Patents
High-speed railway bridge buffer stop Download PDFInfo
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- CN219862351U CN219862351U CN202320463613.3U CN202320463613U CN219862351U CN 219862351 U CN219862351 U CN 219862351U CN 202320463613 U CN202320463613 U CN 202320463613U CN 219862351 U CN219862351 U CN 219862351U
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- positioning sleeve
- collision
- bottom positioning
- disc
- bridge
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 19
- 238000009434 installation Methods 0.000 abstract description 9
- 239000011159 matrix material Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridge protection, in particular to a high-speed railway bridge anti-collision device which comprises a bottom positioning sleeve, a top positioning sleeve and an outer anti-collision mechanism, wherein the bottom positioning sleeve consists of a first bottom positioning sleeve and a second bottom positioning sleeve, the first bottom positioning sleeve is matched with the second bottom positioning sleeve in structure size and position, and the first bottom positioning sleeve and the second bottom positioning sleeve are spliced and installed through bolts. The utility model overcomes the defects of the prior art, the butt joint joints at the tops of the first anti-collision disc and the second anti-collision disc are in butt joint installation with the guide chute, the outer anti-collision mechanism is sleeved on the outer side of the bottom positioning sleeve, when the pier matrix is impacted externally, the impact force can be absorbed by the impact roller, the impact force can be dredged through the rotation of the impact roller, and the impact force direction can be changed, so that the influence of external impact on the pier matrix is further weakened.
Description
Technical Field
The utility model relates to the technical field of bridge protection, in particular to a high-speed railway bridge anti-collision device.
Background
Railroad bridges are structures constructed for the purpose of realizing the three-dimensional crossing of a railway line with a railway line or a road, and the branch of the railroad engineering discipline is short for railroad bridge engineering, so that the railroad bridge also comprises a series of technologies for constructing and maintaining the railroad bridge, and the railroad bridge is divided into a railroad bridge and a highway-railway bridge according to purposes; the bridge is divided into a girder bridge, an arch bridge, a rigid frame bridge, a suspension bridge, a cable-stayed bridge, a combined system bridge and the like according to structures.
The China patent application number (CN 202122606552.5) discloses a bridge crash barrier, which comprises a base, an upright post and a cross beam, wherein the upright post is fixed on the base, and is characterized in that: the cross beam comprises an upper cross beam and a lower cross beam, a fixing hole matched with the upper cross beam is formed in the upper end of the upright post, the upper cross beam penetrates through the fixing hole, a receiving groove matched with the lower cross beam is formed in one side, facing the bridge deck, of the upright post, the lower cross beam is clamped in the receiving groove, and the lower cross beam is fixedly connected with the upright post;
above-mentioned scheme is through entablature and entablature, and the stand is provided with the accepting groove of adaptation in the entablature towards one side of bridge floor, makes the crashproof performance of anticollision barrier better effect relatively, and above-mentioned anticollision barrier be difficult to be applicable to the anticollision at abutment stand position and use, erect the extremely easy and abutment contact of past ship in bridge below on the river to the emergence collision leads to the fact the impaired problem of bridge, and for this reason, proposes a high-speed railway bridge buffer stop.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-speed railway bridge anti-collision device, which overcomes the defects of the prior art and solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-speed railway bridge anti-collision device comprises a bottom layer positioning sleeve, a top layer positioning sleeve and an outer anti-collision mechanism, wherein the bottom layer positioning sleeve consists of a first bottom positioning sleeve and a second bottom positioning sleeve;
the structure size and the position of the first bottom positioning sleeve and the structure size and the position of the second bottom positioning sleeve are matched, the first bottom positioning sleeve and the second bottom positioning sleeve are spliced and installed through bolts, a plurality of elastic spacers are fixedly installed on the outer circumferential surfaces of the first bottom positioning sleeve and the second bottom positioning sleeve, a plurality of connecting arms are rotatably installed on the top ends of the first bottom positioning sleeve and the second bottom positioning sleeve, and a guide chute is formed in a penetrating manner at the end, away from each other, of each connecting arm;
the outer anti-collision mechanism consists of an anti-collision disc I and an anti-collision disc II;
the structure size and the position of the first anti-collision disc are matched with those of the second anti-collision disc, the first anti-collision disc and the second anti-collision disc are spliced and installed through bolts, and a plurality of impact rollers are rotatably installed on the outer circumferential surfaces of the first anti-collision disc and the second anti-collision disc;
the top positioning sleeve consists of a first top positioning sleeve and a second top positioning sleeve;
the first top positioning sleeve is matched with the second top positioning sleeve in structural size and position, and the first top positioning sleeve and the second top positioning sleeve are spliced and installed through bolts.
As a preferable technical scheme of the utility model, the bottom layer positioning sleeve, the top layer positioning sleeve and the outer side anti-collision mechanism are all arranged concentrically, a plurality of connecting rods are arranged between the bottom layer positioning sleeve and the top layer positioning sleeve, the connecting rods are circumferentially arranged at equal intervals by the axial lead of the bottom layer positioning sleeve, and the upper end and the lower end of each connecting rod are fixedly connected with the top layer positioning sleeve and the bottom layer positioning sleeve respectively.
As a preferable technical scheme of the utility model, the transverse section of the elastic spacer is of a C-shaped structure, and a plurality of elastic spacers are circumferentially arranged at equal intervals along the axial lead of the first bottom positioning sleeve.
As a preferable technical scheme of the utility model, the upper surfaces of the first anti-collision disc and the second anti-collision disc are fixedly provided with a plurality of butt joints, and the outer anti-collision mechanism is in sliding connection with the guide sliding groove on the bottom positioning sleeve through the plurality of butt joints.
As a preferable technical scheme of the utility model, the bottom layer positioning sleeve is positioned right below the top layer positioning sleeve, an annular cavity is formed in the impact roller, and a plurality of impact rollers are circumferentially arranged at equal intervals along the axial lead of the first anti-collision disc.
Compared with the prior art, the utility model has the beneficial effects that:
the butt joint through crashproof dish one and crashproof dish two tops carries out butt joint installation with the direction spout, outside anticollision institution cover is established in bottom positioning sleeve's outside, when the pier base member receives outside striking, can utilize the striking roller to absorb the impact, and can dredge the impact through the rotation of striking roller and change the direction of impact, further weaken the influence of outside striking to the pier base member, the upper and lower both ends of connecting rod respectively with top layer positioning sleeve and bottom positioning sleeve fixed connection, bottom positioning sleeve and top layer positioning sleeve can play the use of being connected with pier base member main part, and can regard as the installation basis, be convenient for carry out butt joint installation to outside anticollision institution and use, can connect bottom positioning sleeve and top layer positioning sleeve's use through the connecting rod.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial assembly of the present utility model;
FIG. 3 is a schematic view of an outboard anti-collision mechanism of the present utility model;
fig. 4 is a schematic view showing an anti-collision mechanism and pier combination according to the present utility model.
In the figure: 1. a first bottom positioning sleeve; 2. a second bottom positioning sleeve; 3. an elastic spacer; 4. a connecting arm; 5. a guide chute; 6. an anti-collision disc I; 7. an anti-collision disc II; 8. an impingement roller; 9. a butt joint; 10. a first top positioning sleeve; 11. a second top positioning sleeve; 12. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a high-speed railway bridge collision avoidance device comprises a bottom layer positioning sleeve, a top layer positioning sleeve and an outer side collision avoidance mechanism, wherein the bottom layer positioning sleeve, the top layer positioning sleeve and the outer side collision avoidance mechanism jointly form the bridge collision avoidance device;
the bottom positioning sleeve consists of a first bottom positioning sleeve 1 and a second bottom positioning sleeve 2, the structural sizes and positions of the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2 are matched, the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2 are assembled and mounted through bolts, a plurality of elastic spacers 3 are fixedly mounted on the outer circumferential surfaces of the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2, a plurality of connecting arms 4 are rotatably mounted on the top ends of the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2, guide sliding grooves 5 are formed in the positions, far away from one another, of the connecting arms 4 in a penetrating manner, the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2 are assembled and combined to be mounted on the surface of a pier substrate, and are in butt joint with a butt joint 9 on an outer anti-collision mechanism through the guide sliding grooves 5 on the connecting arms 4, so that the bottom positioning sleeve and the outer anti-collision mechanism can be connected;
the outer anti-collision mechanism is composed of an anti-collision disc I6 and an anti-collision disc II 7, the structural sizes and positions of the anti-collision disc I6 and the anti-collision disc II 7 are matched, the anti-collision disc I6 and the anti-collision disc II 7 are assembled through bolt splicing, a plurality of impact rollers 8 are rotatably arranged on the outer circumferential surfaces of the anti-collision disc I6 and the anti-collision disc II 7, the anti-collision disc I6 and the anti-collision disc II 7 can be butted to form a whole, the butt joint 9 at the tops of the anti-collision disc I6 and the anti-collision disc II 7 is butted with the guide chute 5, the outer anti-collision mechanism is sleeved outside the bottom positioning sleeve, when the pier base body is impacted by the outside, the impact force can be absorbed by the impact rollers 8, the impact force can be dredged through the rotation of the impact rollers 8, and the impact force direction can be changed, and the influence of the outside impact on the pier base body is further weakened;
the top positioning sleeve is composed of a first top positioning sleeve 10 and a second top positioning sleeve 11;
the first 10 and second 11 structural dimension of top positioning sleeve and position looks adaptation, install through the bolt concatenation between first 10 and second 11 of top positioning sleeve, and first 10 and second 11 of top positioning sleeve can be further strengthen buffer stop and pier base member's connection, avoid taking place not hard up between buffer stop and the pier base member under the striking effect.
Specifically, bottom positioning sleeve, top layer positioning sleeve and outside anticollision institution are concentric setting, be equipped with a plurality of connecting rod 12 between bottom positioning sleeve and the top layer positioning sleeve, a plurality of connecting rod 12 is arranged with equidistant circumference of bottom positioning sleeve's axial lead and is set up, the upper and lower both ends of connecting rod 12 respectively with top layer positioning sleeve and bottom positioning sleeve fixed connection, bottom positioning sleeve and top layer positioning sleeve can play the use of being connected with pier base member, and can regard as the installation basis, be convenient for dock the installation to outside anticollision institution and use, can connect bottom positioning sleeve and top layer positioning sleeve's use through connecting rod 12.
Specifically, the transverse cross section of the elastic spacer 3 is of a C-shaped structure, a plurality of elastic spacers 3 are arranged at equal intervals along the axial lead of the bottom positioning sleeve 1, and the elastic spacer 3 between the bottom positioning sleeve and the outer anti-collision mechanism can generate elastic deformation to absorb impact force caused by collision when being impacted, so that the bridge pier matrix body is effectively protected.
Specifically, the upper surfaces of the first anti-collision disc 6 and the second anti-collision disc 7 are fixedly provided with a plurality of butt joints 9, the outer anti-collision mechanism is in sliding connection with the guide sliding groove 5 on the bottom positioning sleeve through the plurality of butt joints 9, the bottom positioning sleeve and the outer anti-collision mechanism can be connected through the butt joints 9, and when the outer anti-collision mechanism is impacted externally, energy absorption of collision can be carried out by shifting under the guidance of the connecting arm 4, so that protection of a pier matrix is realized.
Specifically, the bottom positioning sleeve is located under the top positioning sleeve, an annular cavity is formed in the impact roller 8, a plurality of impact rollers 8 are arranged at equal intervals along the circumference of the axis of the first anti-collision disc 6, impact force is conducted through rotation of the impact rollers 8 to change the direction of the impact force, and the influence of external impact on the pier matrix is further weakened.
Working principle: when the bridge anti-collision device is used, the first bottom positioning sleeve 1 and the second bottom positioning sleeve 2 are assembled and mounted on the surface of a bridge pier base body through connecting bolts, the mounting position is higher than the river surface, and then the first bottom positioning sleeve and the second bottom positioning sleeve are in butt joint with a butt joint 9 on the outer anti-collision mechanism through a guide chute 5 on a connecting arm 4, so that the first bottom positioning sleeve and the outer anti-collision mechanism are connected;
then, the butt joint 9 at the tops of the first anti-collision disc 6 and the second anti-collision disc 7 is in butt joint installation with the guide chute 5, the outer anti-collision mechanism is sleeved on the outer side of the bottom positioning sleeve, when the pier matrix is impacted externally, the impact force can be absorbed by the impact roller 8, the impact force can be dredged through the rotation of the impact roller 8, and the impact force direction can be changed, so that the influence of external impact on the pier matrix is further weakened;
the upper and lower both ends of connecting rod 12 respectively with top layer positioning sleeve and bottom positioning sleeve fixed connection, bottom layer positioning sleeve and top layer positioning sleeve can play the use of being connected with pier base member main part to can regard as the installation basis, be convenient for carry out the butt joint installation to outside anticollision institution and use, can connect bottom positioning sleeve and top layer positioning sleeve's use through connecting rod 12.
Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a high-speed railway bridge buffer stop, includes bottom positioning sleeve, top positioning sleeve and outside anticollision institution, its characterized in that:
the bottom positioning sleeve consists of a first bottom positioning sleeve (1) and a second bottom positioning sleeve (2);
the structure size and the position of the first bottom positioning sleeve (1) are matched with those of the second bottom positioning sleeve (2), the first bottom positioning sleeve (1) and the second bottom positioning sleeve (2) are spliced and installed through bolts, a plurality of elastic spacers (3) are fixedly installed on the outer circumferential surfaces of the first bottom positioning sleeve (1) and the second bottom positioning sleeve (2), a plurality of connecting arms (4) are rotatably installed on the top ends of the first bottom positioning sleeve (1) and the second bottom positioning sleeve (2), and a guide chute (5) is formed by penetrating through one ends, far away from each other, of the connecting arms (4);
the outer anti-collision mechanism consists of an anti-collision disc I (6) and an anti-collision disc II (7);
the anti-collision disc I (6) is matched with the anti-collision disc II (7) in structural size and position, the anti-collision disc I (6) and the anti-collision disc II (7) are spliced and installed through bolts, and a plurality of impact rollers (8) are rotatably installed on the outer circumferential surfaces of the anti-collision disc I (6) and the anti-collision disc II (7);
the top positioning sleeve is composed of a first top positioning sleeve (10) and a second top positioning sleeve (11);
the structure size and the position of the first top positioning sleeve (10) are matched with those of the second top positioning sleeve (11), and the first top positioning sleeve (10) and the second top positioning sleeve (11) are assembled and installed through bolts.
2. The high-speed rail bridge anti-collision device according to claim 1, wherein: the bottom positioning sleeve, the top positioning sleeve and the outer anti-collision mechanism are all concentric, a plurality of connecting rods (12) are arranged between the bottom positioning sleeve and the top positioning sleeve, the connecting rods (12) are circumferentially distributed at equal intervals on the axis of the bottom positioning sleeve, and the upper end and the lower end of each connecting rod (12) are fixedly connected with the top positioning sleeve and the bottom positioning sleeve respectively.
3. The high-speed rail bridge anti-collision device according to claim 1, wherein: the transverse section of the elastic spacer (3) is of a C-shaped structure, and the elastic spacers (3) are circumferentially distributed at equal intervals along the axial lead of the bottom positioning sleeve I (1).
4. The high-speed rail bridge anti-collision device according to claim 1, wherein: the upper surfaces of the first anti-collision disc (6) and the second anti-collision disc (7) are fixedly provided with a plurality of butt joints (9), and the outer anti-collision mechanism is in sliding connection with the guide sliding groove (5) on the bottom positioning sleeve through the plurality of butt joints (9).
5. The high-speed rail bridge anti-collision device according to claim 1, wherein: the bottom layer positioning sleeve is positioned right below the top layer positioning sleeve.
6. The high-speed rail bridge anti-collision device according to claim 1, wherein: the inside of striking roller (8) is formed with annular cavity, and a plurality of striking roller (8) are arranged with the equidistant circumference of the axial lead of crashproof dish one (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320463613.3U CN219862351U (en) | 2023-03-13 | 2023-03-13 | High-speed railway bridge buffer stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320463613.3U CN219862351U (en) | 2023-03-13 | 2023-03-13 | High-speed railway bridge buffer stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219862351U true CN219862351U (en) | 2023-10-20 |
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ID=88370352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320463613.3U Active CN219862351U (en) | 2023-03-13 | 2023-03-13 | High-speed railway bridge buffer stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219862351U (en) |
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2023
- 2023-03-13 CN CN202320463613.3U patent/CN219862351U/en active Active
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