CN215629356U - Anti-collision wall capable of dissipating energy in rotating mode - Google Patents
Anti-collision wall capable of dissipating energy in rotating mode Download PDFInfo
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- CN215629356U CN215629356U CN202022678004.9U CN202022678004U CN215629356U CN 215629356 U CN215629356 U CN 215629356U CN 202022678004 U CN202022678004 U CN 202022678004U CN 215629356 U CN215629356 U CN 215629356U
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Abstract
A rotation energy dissipation anti-collision wall comprises a plurality of anti-collision walls arranged in the longitudinal direction of a bridge, a reserved groove and a reserved hole are arranged on a boss at the bottom of a collision-facing surface of an A side of the anti-collision wall in the longitudinal direction of the bridge, a spring is arranged in the reserved hole, the top end of the spring is fixedly connected with the bottom surface of the reserved groove, and the bottom end of the spring is fixedly connected with the upper surface of an upper flange plate of a main beam; the bottom of the anti-collision wall is longitudinally provided with a stainless steel sheet A, the stainless steel sheet A is arranged close to the side of the anti-collision wall B, the upper surface of the flange plate is provided with a stainless steel sheet B corresponding to the stainless steel sheet A, and a rolling shaft is arranged between the stainless steel sheet A and the stainless steel sheet B; and a flange cushion block is arranged between the lower surface of the anti-collision wall and the upper surface of the flange plate, is positioned at the rear end of the spring and is arranged close to the spring. The bottom of the anti-collision wall is provided with the roller, when the anti-collision wall is impacted by an automobile, the roller on the B side of the anti-collision wall can rotate, and meanwhile, the deformation of the spring on the A side (the impact surface) of the anti-collision wall can play a good energy dissipation role.
Description
Technical Field
The utility model belongs to the field of bridge engineering, and particularly relates to a rotary energy dissipation anti-collision wall on a bridge.
Background
The anti-collision wall is an important traffic safety facility and can play a role in avoiding serious traffic accidents caused by the fact that an automobile deviates from a lane.
In the preparation and the use of general crashproof wall, the problem that exists is:
(1) the anti-collision wall is cast in place, the construction speed is low, and the construction quality is difficult to effectively ensure;
(2) the anti-collision wall made of common cement materials has large rigidity and no buffer, so when the anti-collision wall is collided by an automobile, the automobile is easily damaged greatly, and personnel in the automobile is easily injured.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model adopts the following technical scheme:
a rotating energy dissipation anti-collision wall comprises a plurality of anti-collision walls arranged in the longitudinal direction of a bridge, reserved grooves and reserved holes are formed in a boss at the bottom of a collision-facing surface of an A side of the anti-collision wall at intervals of 30-50 cm in the longitudinal direction of the bridge, the reserved holes are located below the reserved grooves and communicated with the reserved grooves, springs are arranged in the reserved holes, the top ends of the springs are fixedly connected with the bottom surfaces of the reserved grooves, and the bottom ends of the springs are fixedly connected with the upper surface of an upper flange plate of a main beam; the bottom of the anti-collision wall is longitudinally provided with a stainless steel sheet A, the stainless steel sheet A is arranged close to the side of the anti-collision wall B, the upper surface of the flange plate is provided with a stainless steel sheet B corresponding to the stainless steel sheet A, and a rolling shaft is arranged between the stainless steel sheet A and the stainless steel sheet B; and a flange cushion block is arranged between the lower surface of the anti-collision wall and the upper surface of the flange plate, is positioned at the rear end of the spring and is arranged close to the spring.
And silicone grease lubricating oil is coated between the stainless steel sheet A and the stainless steel sheet B and the rolling shaft.
The inner diameters of the stainless steel sheet A and the stainless steel sheet B are both 2-4 cm.
The anti-collision wall is manufactured in a prefabricated mode, and the length of the anti-collision wall is 3-5 m; a gap of 0.5-1.5 cm is reserved between adjacent anti-collision walls.
Compared with the prior art, the utility model has the beneficial effects that:
1. the anti-collision wall is constructed in an assembly mode, construction speed is high, and construction quality can be effectively guaranteed.
2. The energy dissipation principle of the structure of the utility model is as follows: the bottom of the anti-collision wall is provided with the roller, when the anti-collision wall is impacted by an automobile, the roller on the B side of the anti-collision wall can rotate, and meanwhile, the deformation of the spring on the A side (the impact surface) of the anti-collision wall can play a good energy dissipation role.
3. This novel assembled anticollision wall construction is simple and convenient, and the price is reasonable, does benefit to the popularization.
Drawings
FIG. 1 is a schematic view of a rotary energy-dissipating anti-collision wall structure according to the present invention;
1-an anti-collision wall, 2-stainless steel sheets A, 3-a preformed hole, 4-a rolling shaft, 5-a flange plate, 6-stainless steel sheets B, 7-a spring and 8-a flange cushion block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the anti-collision wall capable of dissipating energy in a rotating mode comprises a plurality of anti-collision walls 1 arranged along the longitudinal direction of a bridge, wherein each anti-collision wall 1 is made in a prefabricating mode and is 4.0m in length; a gap of 1.0cm is reserved between adjacent anti-collision walls 1, reserved grooves and reserved holes 3 are arranged on bosses at the bottom of a collision-facing surface of the anti-collision wall 1A in the longitudinal direction of the bridge at intervals of 30-50 cm, the reserved holes 3 are positioned below the reserved grooves and communicated with the reserved grooves, springs 7 are arranged in the reserved holes 3, the top ends of the springs 7 are fixedly connected with the bottom surfaces of the reserved grooves, and the bottom ends of the springs 7 are fixedly connected with the upper surface of an upper flange plate 5 of the main beam; a stainless steel sheet A2 with the inner diameter of 3cm is longitudinally arranged at the bottom of the anti-collision wall 1, a stainless steel sheet A2 is arranged close to the side of the anti-collision wall 1B, a stainless steel sheet B6 with the inner diameter of 3cm corresponding to the stainless steel sheet A2 is arranged on the upper surface of the flange plate 5, a rolling shaft 4 with the diameter of 3cm is arranged between the stainless steel sheet A2 and the stainless steel sheet B6, and silicone grease lubricating oil is coated among the stainless steel sheet A2, the stainless steel sheet B6 and the rolling shaft 4; be provided with edge of a wing cushion 8 between crashproof wall 1 lower surface and flange board 5 upper surface, and edge of a wing cushion 8 links as an organic whole with flange board 5, and edge of a wing cushion 8 is located spring 7 rear end and sets up near spring 7.
A construction method of a rotary energy-dissipating anti-collision wall comprises the following steps:
step 1: pouring main beam
Pouring a main beam, simultaneously pouring and forming a flange cushion block 8 on the top surface of the end part of the flange plate 5 of the main beam, embedding a stainless steel sheet B6 with the inner diameter of 3cm, and embedding the lower end of the spring 7 in the flange plate 5;
step 2: prefabricated anti-collision wall
When the anti-collision wall 1 is prefabricated, a reserved groove and a reserved hole 3 are arranged on a boss at the side A of the anti-collision wall; pre-burying a stainless steel sheet A2 with the inner diameter of 3cm on the bottom surface of the side B of the anti-collision wall;
and step 3: installation anti-collision wall
After the surfaces of the stainless steel sheets A2 and B6 are coated with silicone grease lubricant, the roller 4 is placed; hoisting the prefabricated anti-collision wall 1, and putting the spring 7 on the roller 4 and the flange cushion block 8 through the preformed hole; the upper end of the spring 7 is fixed.
Claims (4)
1. A rotating energy-dissipating anti-collision wall is characterized by comprising a plurality of anti-collision walls arranged in the longitudinal direction of a bridge, reserved grooves and reserved holes are formed in a boss at the bottom of a collision-facing surface of the A side of the anti-collision wall at intervals of 30-50 cm in the longitudinal direction of the bridge, the reserved holes are located below the reserved grooves and communicated with the reserved grooves, springs are arranged in the reserved holes, the top ends of the springs are fixedly connected with the bottom surfaces of the reserved grooves, and the bottom ends of the springs are fixedly connected with the upper surface of an upper flange plate of a main beam;
the bottom of the anti-collision wall is longitudinally provided with a stainless steel sheet A, the stainless steel sheet A is arranged close to the side of the anti-collision wall B, the upper surface of the flange plate is provided with a stainless steel sheet B corresponding to the stainless steel sheet A, and a rolling shaft is arranged between the stainless steel sheet A and the stainless steel sheet B; and a flange cushion block is arranged between the lower surface of the anti-collision wall and the upper surface of the flange plate, is positioned at the rear end of the spring and is arranged close to the spring.
2. A rotation-dissipating impact wall as claimed in claim 1, wherein: and silicone grease lubricating oil is coated between the stainless steel sheet A and the stainless steel sheet B and the rolling shaft.
3. A rotation-dissipating impact wall as claimed in claim 1, wherein: the inner diameters of the stainless steel sheet A and the stainless steel sheet B are both 2-4 cm.
4. A rotation-dissipating impact wall as claimed in claim 1, wherein: the anti-collision wall is manufactured in a prefabricated mode, and the length of the anti-collision wall is 3-5 m; a gap of 0.5-1.5 cm is reserved between adjacent anti-collision walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022678004.9U CN215629356U (en) | 2020-11-18 | 2020-11-18 | Anti-collision wall capable of dissipating energy in rotating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022678004.9U CN215629356U (en) | 2020-11-18 | 2020-11-18 | Anti-collision wall capable of dissipating energy in rotating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629356U true CN215629356U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022678004.9U Active CN215629356U (en) | 2020-11-18 | 2020-11-18 | Anti-collision wall capable of dissipating energy in rotating mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737475A (en) * | 2022-04-28 | 2022-07-12 | 西安理工大学 | Assembled energy-dissipation anti-collision wall and assembling method thereof |
-
2020
- 2020-11-18 CN CN202022678004.9U patent/CN215629356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737475A (en) * | 2022-04-28 | 2022-07-12 | 西安理工大学 | Assembled energy-dissipation anti-collision wall and assembling method thereof |
| CN114737475B (en) * | 2022-04-28 | 2023-08-11 | 中国水利水电第十四工程局有限公司 | Assembled energy-dissipation anti-collision wall and assembling method thereof |
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