CN214831908U

CN214831908U - Protection device of municipal bridge

Info

Publication number: CN214831908U
Application number: CN202120432555.9U
Authority: CN
Inventors: 黄鹏飞; 江军跃
Original assignee: Zhejiang Hengchang Construction Co ltd
Current assignee: Zhejiang Hengchang Construction Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-23
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a protector of municipal administration bridge, it includes first guardrail frame and second guardrail frame, second guardrail frame is located one side that the bridge is close to the road, first guardrail frame includes two at least fixed stands and connects the first crossbeam between different fixed stands, second guardrail frame is including corresponding the connection stand that the fixed stand arranged with connect the second crossbeam between different connection stands, fixed stand and bridge fixed connection, the connection stand with connect through the buffering subassembly between the fixed stand. This application reduces bridge railing and receives the vehicle to collide the damage that the back caused the vehicle.

Description

Protection device of municipal bridge

Technical Field

The application relates to the field of bridges, in particular to a protection device for a municipal bridge.

Background

The bridge guardrail is a guardrail arranged on a bridge. Its purpose is in order to prevent that the vehicle out of control from crossing outside the bridge, has the function that makes the vehicle can not break through, wear down, cross the bridge and beautify the bridge building.

Patent application No. CN201420150831.2 discloses a bridge railing, and its constitution includes: the support frame, characterized by: the supporting frame is provided with a small guardrail hole and a large guardrail hole, thin steel pipes and thick steel pipes respectively penetrate through the small guardrail hole and the large guardrail hole, the supporting frame is provided with a main supporting leg and an auxiliary supporting leg, and the main supporting leg and the auxiliary supporting leg are welded together with the base plate.

With respect to the related art in the above, the inventors consider that the bridge railing has great damage to the vehicle after the vehicle collides therewith.

SUMMERY OF THE UTILITY MODEL

In order to solve the great problem of damage that bridge railing caused the vehicle after receiving the vehicle and offeing, this application provides a protector of municipal bridge.

The application provides a protector of municipal bridge adopts following technical scheme:

the utility model provides a protector of municipal bridge, includes first guardrail frame and second guardrail frame, second guardrail frame is located one side that the bridge is close to the road, first guardrail frame includes two at least fixed stands and connects the first crossbeam between different fixed stands, second guardrail frame is including corresponding the connection stand that the fixed stand arranged with connect the second crossbeam between different connection stands, fixed stand and bridge fixed connection, connect the stand with connect through the buffering subassembly between the fixed stand.

Through adopting above-mentioned technical scheme, a protector of municipal bridge includes first guardrail frame and second guardrail frame, and the fixed stand of first guardrail frame is connected through buffering subassembly with the connection stand of second guardrail frame to the realization receives buffering subassembly's cushioning effect when the car on the bridge road hits the second guardrail frame, thereby reduces the damage of car.

Optionally, the buffering subassembly including set up in connect the side end face of stand the bumping post, set up in fixed stand supplies bumping post male buffering hole and the energy release piece of fixed setting in the buffering hole, the energy release piece is kept away from there is the clearance one side of bumping post, energy release sheet matter sets up to plastics, just the central point of energy release piece puts and can be broken after receiving external impact.

Through adopting above-mentioned technical scheme, through being equipped with the energy release piece in the buffer hole, when the buffering post strikes on the energy release piece, the kinetic energy of buffer post is absorbed to the energy release piece until the energy release piece is broken with the energy release to play the cushioning effect of energy release piece.

Optionally, the energy releasing piece is further provided with energy releasing grooves extending from the center position in the radial direction on the end face close to the buffer column, the number of the energy releasing grooves is three, and the three energy releasing grooves are circumferentially arranged at intervals.

Through adopting above-mentioned technical scheme, through setting up energy release groove for thereby energy release piece can be broken in energy release groove department after the impact kinetic energy of absorption cushion column.

Optionally, the buffer column is coaxially provided with a buffer convex column on an end surface close to the energy release sheet, the diameter of the buffer convex column is smaller than that of the buffer column, and the diameter of the buffer convex column is not greater than the length of the energy release groove.

Through adopting above-mentioned technical scheme, the buffer column is provided with the buffering projection, and when the buffer column assaulted on releasing the piece, the buffering projection assaulted the central part at releasing the piece to make release the piece and receive the impact in the distribution position department that releases the ability groove, thereby set up like this and make release the piece and absorb the impact kinetic energy of buffering projection after, thereby take place the breakage with energy release in releasing the groove department.

Optionally, the buffering subassembly still including set up in the downthehole buffering pressure spring of buffering, the bottom in buffering hole still the coaxial pressure spring hole that is equipped with, the diameter in pressure spring hole is less than the diameter in buffering hole, just the diameter in pressure spring hole is greater than the diameter of buffering projection, the pressure spring arrange in the pressure spring is downthehole.

Through adopting above-mentioned technical scheme, set up the buffering pressure spring in the pressure spring hole, and the diameter in pressure spring hole is greater than the diameter of buffering projection for insert the downthehole extrusion buffering pressure spring of pressure spring after buffering projection breaks the energy piece of releasing, make the buffering pressure spring further absorb the kinetic energy of buffering projection, thereby further strengthen buffering subassembly's buffering effect.

Optionally, one end of the buffering pressure spring, which is close to the buffering convex column, is further connected with a buffering plate, and the diameter of the buffering plate is smaller than that of the pressure spring hole.

Through adopting above-mentioned technical scheme, the one end that the buffering pressure spring is close to the buffering projection is connected with the buffer board, and the buffer board has reduced the piece card of the energy release piece after the buffering projection breaks through and has gone into the probability of buffering the pressure spring to it is difficult to stretch out and draw back to cause the buffering pressure spring, and reduces the buffering effect of buffering subassembly to the buffering post.

Optionally, the outer wall of buffering post still is equipped with spacing arch, the stationary mast is equipped with the confession spacing protruding male spacing groove that slides, the stationary mast is at the spacing stopper of notch department fixedly connected with of spacing groove.

Through adopting above-mentioned technical scheme, set up spacing arch at the outer wall of buffering post, and set up at the fixed post and correspond spacing bellied spacing groove, insert the buffering post downthehole time, spacing arch inserts the spacing groove, and at the spacing stopper of the notch fixedly connected with of spacing groove department, has restricted buffering post roll-off buffering hole to reduced the buffering post and deviate from in the probability in buffering hole, and reduced the probability that the second guardrail frame takes off in first guardrail frame.

Optionally, the outer wall of the second beam is attached with a reflective strip.

By adopting the technical scheme, the reflective strips are attached to the outer wall of the second cross beam, so that under the condition of insufficient light at night, the second cross beam can reflect automobile light, a driver of a passing automobile is reminded of the position of the second guardrail frame, and the probability that the automobile rubs and scratches the second guardrail frame is reduced.

Optionally, the side wall of the fixed upright post is trapezoidal, and the trapezoidal bevel edge is far away from the second guardrail frame.

Through adopting above-mentioned technical scheme, the lateral wall of stationary mast is trapezoidal, and second guardrail frame is kept away from to trapezoidal hypotenuse for stationary mast has higher structural strength, hits the second guardrail frame when the car, and when first guardrail frame was strikeed to second guardrail frame, the stationary mast can bear the impact force better, reduces the stationary mast and receives the broken probability of fracture after strong impact.

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

1. a fixed upright post and a connecting upright post of a municipal bridge protection device are connected through a buffer component, so that when an automobile on a bridge road collides with a second guardrail frame, the automobile is buffered by the buffer component, and the damage of the automobile is reduced;

2. the outer wall of the second cross beam of the municipal bridge protection device is pasted with the reflective strips, so that under the condition of insufficient light at night, the second cross beam can reflect automobile light, a driver of a passing automobile is reminded of the position of the second guardrail frame, and the probability that the automobile rubs and scratches the second guardrail frame is reduced;

3. the utility model provides a protection device's of municipal bridge fixed column lateral wall is trapezoidal and trapezoidal hypotenuse and keeps away from second guardrail frame for fixed column has higher structural strength, and when the car hit the second guardrail frame, and the second guardrail frame impacted first guardrail frame, fixed column can bear the impact force better, reduces the fixed column and receives the broken probability of fracture after strongly impacting.

Drawings

Fig. 1 is a schematic structural diagram of a protection device for a municipal bridge according to an embodiment of the present application.

Fig. 2 is a sectional view of a connection structure of a fixed post and a connection post.

Fig. 3 is a schematic structural view of an energy release sheet.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a first guardrail frame; 11. fixing the upright post; 111. a buffer hole; 112. an energy release sheet; 1121. an energy release groove; 113. a compression spring hole; 114. buffering a pressure spring; 115. a buffer plate; 116. a limiting groove; 117. a limiting plug; 1171. a connecting projection; 1172. a through hole; 118. a bolt; 119. a threaded hole; 12. a first cross member; 121. a buffer column; 1211. a buffer convex column; 1212. a limiting bulge; 2. a second guardrail frame; 21. connecting the upright posts; 22. a second cross member; 221. a light-reflecting strip; 3. a buffer assembly.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses protector of municipal bridge. Referring to fig. 1, a protection device for a municipal bridge comprises a first guardrail frame 1 and a second guardrail frame 2, wherein the second guardrail frame 2 is positioned on one side of the bridge close to a road. The first guardrail frame 1 comprises fixed upright posts 11 which are arranged at intervals along the extension direction of the bridge floor, and the bottoms of the fixed upright posts 11 and the bridge floor are fixed through concrete pouring; first cross beams 12 are connected between different fixed upright posts 11, and three first cross beams 12 are arranged between two adjacent fixed upright posts 11 at intervals along the vertical direction; the second guardrail frame 2 comprises connecting upright posts 21 arranged corresponding to the fixed upright posts 11, second cross beams 22 are connected between different connecting upright posts 21, and three second cross beams 22 are arranged between two adjacent connecting upright posts 21 at intervals along the vertical direction; the fixed upright post 11 of the first guardrail frame 1 is connected with the connecting upright post 21 of the second guardrail frame 2 through the buffer component 3.

The side wall of the fixed upright post 11 is trapezoidal, and the inclined edge of the trapezoid is far away from the second guardrail frame 2. Set up like this and make fixed stand 11 have higher structural strength, when the car hit second guardrail frame 2, and second guardrail frame 2 strikes first guardrail frame 1 when, fixed stand 11 can bear the impact force better, reduces fixed stand 11 and receives the broken probability of fracture after strong impact.

The outer wall of the second beam 22 of the second guardrail frame 2 is adhered with the reflective strip 221, so that under the condition of insufficient light at night, the reflective strip 221 on the second beam 22 can reflect automobile light, a driver of a passing automobile is reminded of the position of the second guardrail frame 2, and the probability that the automobile rubs and scratches the second guardrail frame 2 is reduced.

Referring to fig. 1 and 2, the damping assembly 3 for connecting the fixed upright 11 and the connecting upright 21 includes a damping post 121 disposed on a side surface of the connecting upright 21, a damping hole 111 disposed on the fixed upright 11 for inserting the damping post 121, and an energy releasing sheet 112 fixed in the damping hole 111 by glue. The buffer posts 121 face the fixed column 11, and the number of the buffer posts 121 is set to two, and the two buffer posts 121 are arranged at intervals.

Referring to fig. 2 and 3, the energy releasing piece 112 is made of plastic, the energy releasing piece 112 is a circular piece, and the end surface of the energy releasing piece 112 close to the buffer column 121 is provided with energy releasing grooves 1121 extending radially from the central position, the number of the energy releasing grooves 1121 is three, and the three energy releasing grooves 1121 are circumferentially arranged at intervals. The buffer column 121 is provided with a buffer convex column 1211 on an end surface thereof near the energy releasing piece 112, the buffer convex column 1211 is coaxial with the buffer column 121, the diameter of the buffer convex column 1211 is smaller than the diameter of the buffer column 121, and the diameter of the buffer convex column 1211 is smaller than the length of the energy releasing groove 1121. By arranging the energy releasing piece 112 in the buffering hole 111 and arranging the energy releasing groove 1121 on the energy releasing piece 112, when the buffering convex column 1211 impacts on the energy releasing piece 112, the energy releasing piece 112 absorbs the kinetic energy of the buffering convex column 1211 until the energy releasing piece 112 is broken at the energy releasing groove 1121 to release the energy, thereby playing a role in buffering the energy releasing piece 112.

Referring to fig. 2, the buffer assembly 3 further includes a compression spring hole 113 disposed at the bottom of the buffer hole 111 and coaxial with the buffer hole 111, and a buffer compression spring 114 is disposed in the compression spring hole 113. The diameter of the compression spring hole 113 is smaller than that of the buffer hole 111, the diameter of the compression spring hole 113 is larger than that of the buffer convex column 1211, and the end face, away from the buffer convex column 1211, of the energy releasing piece 112 abuts against the bottom of the buffer hole 111. The buffer compression spring 114 is further welded and connected with a buffer plate 115 at one end close to the buffer convex column 1211, and the diameter of the buffer plate 115 is equal to that of the compression spring hole 113. By arranging the buffering pressure spring 114 in the pressure spring hole 113, after the buffering convex column 1211 breaks the energy release sheet 112, the buffering pressure spring 114 is inserted into the pressure spring hole 113 to press the buffering pressure spring 114, so that the buffering pressure spring 114 further absorbs the kinetic energy of the buffering convex column 1211, and the buffering effect of the buffering assembly 3 is further enhanced. The buffer plate 115 is connected to the compression spring, and the buffer plate 115 reduces the probability that fragments of the energy release sheet 112 after the buffer convex column 1211 is broken are clamped into the buffer compression spring 114, so that the buffer compression spring 114 is difficult to stretch and retract, and the buffer effect of the buffer component 3 on the buffer column 121 is reduced.

Referring to fig. 2 and 4, the outer wall of the buffer post 121 is further provided with a stopper projection 1212. The limiting protrusion 1212 is rectangular, and the fixing post 11 is provided with a limiting groove 116 corresponding to the limiting protrusion 1212. The fixed upright post 11 is provided with a limit plug 117 at the notch of the limit groove 116, the appearance of the limit plug 117 corresponds to the notch shape of the limit groove 116, the two opposite side surfaces of the limit plug 117 are also provided with connecting protrusions 1171, and the limit plug 117 is fixedly connected with the fixed upright post 11 through bolts 118. The outer end face of the connecting boss 1171 is provided with a through hole 1172 for the bolt 118 of the bolt 118 to pass through, and the end face of the fixing upright 11 close to the limit plug 117 is provided with a threaded hole 119 in threaded connection with the bolt 118. Set up spacing arch 1212 at the outer wall of buffering post 121, and set up the spacing groove 116 that corresponds spacing arch 1212 at fixed column 11, insert buffering post 121 in buffering hole 111, spacing arch 1212 inserts spacing groove 116, and at spacing stopper 117 of notch fixedly connected with of spacing groove 116 department, buffering post 121 roll-off buffering hole 111 has been restricted, thereby reduced the probability that buffering post 121 deviates from in buffering hole 111, and reduced second guardrail frame 2 and deviate from in the probability of first guardrail frame 1.

The implementation principle of the protection device for the municipal bridge in the embodiment of the application is as follows: when the car on the bridge collided to protector, the car collided on second guardrail frame 2, and second guardrail frame 2 will strike kinetic energy and transmit for first guardrail frame 1 through buffer assembly 3, and buffer assembly 3 absorbs and strikes kinetic energy to play the effect that reduces the car and damage.

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 protector of municipal bridge which characterized in that: including first guardrail frame (1) and second guardrail frame (2), second guardrail frame (2) are located the bridge and are close to one side of road, first guardrail frame (1) include two at least fixed stand (11) and connect first crossbeam (12) between different fixed stand (11), second guardrail frame (2) are including corresponding connection stand (21) that fixed stand (11) were arranged and connect second crossbeam (22) between different connection stand (21), fixed stand (11) and bridge fixed connection, connection stand (21) with connect through buffer assembly (3) between fixed stand (11).

2. The municipal bridge protection device of claim 1, wherein: buffer unit (3) including set up in buffer column (121) of the side end face of connecting stand (21), set up in fixed stand (11) supply buffer column (121) male buffer hole (111) and energy release piece (112) of fixed setting in buffer hole (111), energy release piece (112) are kept away from there is the clearance in one side of buffer column (121), energy release piece (112) material sets up to plastics, just energy release piece (112) central point puts and can be broken after receiving external impact.

3. The municipal bridge protection device of claim 2, wherein: the energy releasing piece (112) is further provided with energy releasing grooves (1121) extending from the center position in the radial direction at the end face close to the buffer column (121), the number of the energy releasing grooves (1121) is three, and the three energy releasing grooves (1121) are arranged at intervals in the circumferential direction.

4. The municipal bridge protection device of claim 3, wherein: the buffer column (121) is also coaxially provided with a buffer convex column (1211) at the end surface close to the energy releasing sheet (112), the diameter of the buffer convex column (1211) is smaller than that of the buffer column (121), and the diameter of the buffer convex column (1211) is not larger than the length of the energy releasing groove (1121).

5. The municipal bridge protection device of claim 4, wherein: the buffer assembly (3) further comprises a buffer pressure spring (114) arranged in the buffer hole (111), the bottom of the buffer hole (111) is further coaxially provided with a pressure spring hole (113), the diameter of the pressure spring hole (113) is smaller than that of the buffer hole (111), the diameter of the pressure spring hole (113) is larger than that of the buffer convex column (1211), and the buffer pressure spring (114) is arranged in the pressure spring hole (113).

6. The municipal bridge protection device of claim 5, wherein: one end of the buffering pressure spring (114) close to the buffering convex column (1211) is further connected with a buffering plate (115), and the diameter of the buffering plate (115) is smaller than that of the pressure spring hole (113).

7. The municipal bridge protection device of claim 2, wherein: the outer wall of cushion column (121) still is equipped with spacing arch (1212), stationary mast (11) are equipped with the confession spacing arch (1212) slides male spacing groove (116), stationary mast (11) are at spacing stopper (117) of notch department fixedly connected with of spacing groove (116).

8. The municipal bridge protection device of claim 1, wherein: and the outer wall of the second beam (22) is adhered with a light reflecting strip (221).

9. The municipal bridge protection device of claim 1, wherein: the side wall of the fixed upright post (11) is trapezoidal, and the trapezoidal bevel edge is far away from the second guardrail frame (2).