CN214993061U

CN214993061U - Bridge buffer stop of easy to maintain

Info

Publication number: CN214993061U
Application number: CN202120081516.9U
Authority: CN
Inventors: 张黛曦; 冉旭; 张林玲; 王治然
Original assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd; Guangzhou Transportation Design And Research Institute Co ltd
Current assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd; Guangzhou Transportation Design And Research Institute Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-12-03
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to an easy to maintain's bridge buffer stop relates to the field of bridge maintenance technique, and it includes the guardrail, the guardrail includes the stand and fixes the crossbeam on the stand, still including the built-in fitting that stretches into the bridge floor, the one end that the built-in fitting stretches out the bridge floor is fixed with the fixing base, it is connected with the locking Assembly who is used for connecting the stand to slide on the fixing base, locking Assembly includes two arc pieces and locking bolt, two the arc piece encloses and establishes the fixed chamber that forms adaptation in the stand, locking bolt and arc piece and stand threaded connection. This application has the guardrail and can change the effect with the bridge floor.

Description

Bridge buffer stop of easy to maintain

Technical Field

The application relates to the field of bridge maintenance technology, in particular to a bridge anti-collision device easy to maintain.

Background

At present, in order to prevent the probability that an out-of-control vehicle rushes off the bridge on the bridge, the two sides of the bridge are usually provided with railings as anti-collision devices.

The patent with the patent publication number of CN206800266U discloses a road and bridge guardrail, which comprises a guardrail group consisting of a plurality of guardrail units and stopping machines arranged at two sides of the guardrail group, wherein each guardrail unit comprises an elastic guardrail fixed on a road and bridge surface, and the elastic guardrail is provided with cable holes communicated towards two sides; the arresting cable sequentially passes through cable holes on the elastic guardrail, and two ends of the arresting cable are connected with the arresting mechanism; the stopping mechanism comprises a vertical shaft and a cable disc which is rotatably connected with the vertical shaft, and the inner wall of the cable disc is connected with the surface of the vertical shaft through a spiral elastic sheet.

With respect to the related art among the above, the inventors consider that the following drawbacks exist:

above-mentioned guardrail is fixed with the road and bridge face, collides the back when vehicle and bridge limit guardrail take place, and the guardrail is fixed with the road and bridge face and makes the change guardrail unchangeable relatively.

SUMMERY OF THE UTILITY MODEL

In order to change the guardrail of setting at the bridge floor, this application provides an easy to maintain's bridge buffer stop.

The application provides a bridge buffer stop of easy to maintain adopts following technical scheme:

the utility model provides an easy-to-maintain's bridge buffer stop, includes the guardrail, the guardrail includes the stand and fixes the crossbeam on the stand, still includes the built-in fitting that stretches into the bridge floor, the one end that the built-in fitting stretches out the bridge floor is fixed with the fixing base, it is connected with the locking Assembly who is used for connecting the stand to slide on the fixing base, locking Assembly includes two arcs and locking bolt, two the arc encloses the fixed chamber of establishing formation adaptation in stand, locking bolt and arc and stand threaded connection.

By adopting the technical scheme, one end of the embedded part extends into the bridge floor, one end of the embedded part extending out of the bridge floor is fixed with the fixed seat, then the upright post is placed on the fixed seat, and the two arc pieces are slid and then fixed through the locking bolt, so that the upright post is fixed on the bridge floor; when the stand received the harm, the user can take out locking bolt, and the arc piece that slides takes out the stand and changes, improves the maintenance effect of this application guardrail.

Optionally, the fixing base is provided with two T-shaped sliding grooves, the lower end of the arc piece is fixed with a sliding block adapted to the sliding grooves, the center of the fixing base is provided with a positioning groove adapted to the upright post, the two sliding grooves are symmetrical along the diameter of the positioning groove respectively, and one end of the sliding groove far away from the positioning groove is sealed.

Through adopting above-mentioned technical scheme, the spout is T type groove, avoid the slider to follow the probability of extracting in the spout, thereby the user inserts the constant head tank with the stand and tentatively fixes a position the stand, convenient to use person's follow-up operation, the setting of constant head tank still reduces the gliding probability in the spout with the fixed arc piece of post, the one end that the constant head tank was kept away from to two spouts seals the probability that reduces the arc piece and slide out the spout to improve the fixed stability of stand on the fixing base.

Optionally, an anti-pulling block is fixed to a side face, away from the sliding groove, of the sliding block.

Through adopting above-mentioned technical scheme, the probability that the slider of arc piece was extracted the spout has been reduced in the setting of resistance to plucking piece to improve stability between arc piece and the fixing base, and improved the stability of arc piece stationary mast.

Optionally, a slot is formed in the bottom wall of one end, away from the positioning groove, of the sliding groove, a reinforcing block is inserted into the slot, and the reinforcing block abuts against the arc sheet.

Through adopting above-mentioned technical scheme, the strengthening rib inserts in the slot and carries out the butt with the arc piece to prevent to slide in the spout with the fixed arc piece of back of stand, thereby improved the stability that arc piece and stand are fixed on the fixing base.

Optionally, one end of the upright column facing the positioning groove is provided with a plurality of ring teeth, and the inner wall of the arc piece is provided with a plurality of ring grooves matched with the ring teeth.

By adopting the technical scheme, the upright post is provided with the ring teeth, the arc piece is internally provided with the annular groove, and the ring teeth are meshed with the annular groove, so that the contact area of the upright post and the arc piece is increased, and the stability of fixation between the arc piece and the upright post is improved.

Optionally, the tooth walls on two sides of the ring tooth are obliquely arranged, and the large end of the ring tooth is fixed with the upright post.

Through adopting above-mentioned technical scheme, the lateral wall slope of ring tooth sets up and the main aspects is fixed with the stand, annular and ring tooth adaptation, and the slope setting of ring tooth is convenient for the ring tooth and is inserted in the annular to user's block annular and ring tooth's convenience has been improved.

Optionally, one end of each embedded part extending into the bridge floor is bent, fixing nuts are arranged at one ends of the embedded parts extending out of the bridge floor and the fixing seats, and two fixing nuts of each embedded part are arranged and used for fixing the embedded parts and the fixing seats.

Through adopting above-mentioned technical scheme, thereby the one end of built-in fitting stretches into the bridge floor and buckles and to have improved the resistance to plucking effect of built-in fitting, has improved the stability of built-in fitting and bridge floor, and two fixation nuts are used for fixed built-in fitting and fixing base, have reduced nut and built-in fitting and have taken place not hard up probability.

Optionally, the cross beam is further fixed with an anti-collision net.

Through adopting above-mentioned technical scheme, the setting of anticollision net will disperse the impact force of guardrail to reduce the harm of guardrail.

Optionally, an elastic anti-collision sheet is further fixed to the cross beam.

Through adopting above-mentioned technical scheme, elastic anticollision piece has reduced the probability that the vehicle was damaged, has also reduced the harm degree of guardrail simultaneously.

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

1. the guardrail comprises an upright post and a cross beam fixed on the upright post, an embedded part is arranged below the upright post, one end of the embedded part extends into the bridge floor, a fixed seat is fixed at one end of the embedded part extending out of the bridge floor, a locking assembly is arranged on the fixed seat and comprises two arc pieces and a locking bolt, the two arc pieces are connected to the fixed seat in a sliding manner, a fixed cavity matched with the upright post is formed by the two arc pieces in a surrounding manner, and the locking bolt is in threaded connection with the arc pieces and the upright post; during installation, the upright post is placed on the fixed seat, the two arc sheets slide and then are fixed through the locking bolt, and therefore the upright post is fixed on the bridge floor; when the upright post is damaged, a user can take out the locking bolt, slide the arc sheet, and take out the upright post for replacement, so that the maintenance effect of the guardrail is improved;

2. the center of the fixed seat is provided with a positioning groove adaptive to the upright post, two T-shaped sliding grooves are formed in two sides of the positioning seat of the fixed seat, the two sliding grooves are respectively symmetrical along the diameter of the positioning groove, and one end of each sliding groove, far away from the positioning groove, is closed; the user inserts the upright post into the positioning groove to preliminarily position the upright post, the positioning groove also reduces the probability that the arc sheet fixed with the upright post slides in the sliding groove, and the sliding groove is closed to reduce the probability that the arc sheet slides out of the sliding groove, so that the fixing stability of the upright post on the fixing seat is improved;

3. still be fixed with the anticollision net on the crossbeam, the setting of anticollision net will disperse the impact force of guardrail to reduce the harm of guardrail.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partially exploded view of the anchor block and locking assembly of the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a fixing base according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a guard rail according to an embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Description of reference numerals: 1. a guardrail; 11. a column; 111. ring teeth; 12. a cross beam; 121. an anti-collision sheet; 13. an anti-collision net; 2. embedding parts; 21. fixing a nut; 3. a fixed seat; 31. a chute; 311. a slot; 312. a reinforcing block; 3121. inserting a stick; 32. positioning a groove; 4. a locking assembly; 41. an arc sheet; 411. a slider; 4111. Anti-pulling blocks; 412. a ring groove; 42. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses easy-to-maintain bridge buffer stop. Referring to fig. 1 and 2, the bridge anti-collision device easy to maintain comprises a guardrail 1 and an embedded part 2, wherein the guardrail 1 comprises a plurality of upright posts 11 and a plurality of cross beams 12, the upright posts 11 are cylindrical and vertical to a bridge floor, the cross beams 12 are vertical and welded to the upright posts 11, and the upright posts 11 and the cross beams 12 form the guardrail 1; the one end of built-in fitting 2 is pour in the bridge floor through pre-buried, the other end of built-in fitting 2 stretches out the bridge floor and is fixed with fixing base 3, fixing base 3 is provided with the locking Assembly 4 that is used for fixed stand 11, locking Assembly 4 includes two arcs 41 and locking bolt 42, two arcs 41 slide to be connected and enclose in fixing base 3 and two arcs 41 and establish the fixed chamber that forms the adaptation in stand 11, locking bolt 42 pass arc 41 and stand 11 and with arc 41 and stand 11 threaded connection, thereby fix stand 11 on arc 41.

When guardrail 1 received the damage, the user can take out locking bolt 42, slided two arcs 41 and parts to take out stand 11 from two arcs 41 and change, thereby improved the maintenance effect of guardrail, improved the security of bridge floor.

Referring to fig. 2 and 3, the fixing seat 3 is a cylinder, the fixing seat 3 is provided with two T-shaped sliding grooves 31, the lower end of the arc piece 41 is integrally formed with an arc-shaped sliding block 411 adapted to the sliding grooves 31, and the arrangement of the T-shaped sliding grooves 31 reduces the probability that the sliding block 411 falls off from the sliding grooves 31; the center of the fixed seat 3 is provided with a positioning groove 32 which is adaptive to the upright post 11, and the positioning groove 32 is convenient for a user to insert the upright post 11 for preliminary positioning, so that the convenience of operation of the user is improved; two spouts 31 are respectively along the diameter symmetry of constant head tank 32, and the one end that constant head tank 32 was kept away from to spout 31 is sealed to prevent the probability of arc piece 41 breaking away from fixing base 3, the setting of constant head tank 32 still reduces the probability of moving on fixing base 3 with arc piece 41 behind stand 11, improves the stability of stand 11 on fixing base 3.

In order to reduce the probability that the sliding block 411 is pulled out of the sliding slot 31, the anti-pulling block 4111 is integrally formed on the side surface of the end of the sliding block 411 away from the sliding slot 31, so that the stability of the sliding of the arc piece 41 on the fixed seat 3 is improved, and the anti-pulling performance of the arc piece 41 in the sliding slot 31 is also improved.

Referring to fig. 2 and 3, a slot 311 is formed in a bottom wall of one end of the sliding groove 31, which is far away from the positioning groove 32, the slot 311 is a rectangular groove, a reinforcing block 312 is inserted into the slot 311, the reinforcing block 312 is provided with an insertion rod 3121 adapted to the slot 311, a bottom end of the reinforcing block 312 abuts against a bottom surface of the sliding groove 31 and an anti-pulling block 4111, an end surface of the reinforcing block 312, which is far away from the insertion rod 3121, abuts against the arc piece 41, and the reinforcing block 312 closes an opening of the sliding groove 31.

The reinforcing block 312 seals and fills the opening of the sliding slot 31, so that the probability that the arc sheet 41 drives the upright post 11 to move on the fixed seat 3 is prevented, and the strength of the arc sheet 41 is increased by the reinforcing block 312, so that the stability of fixing the upright post 11 on the fixed seat 3 is improved; one end of the reinforcing block 312, which faces the arc piece 41, extends out of the sliding chute 31, so that a user can conveniently place the reinforcing block 312 or pull out the reinforcing block 312, and the operation convenience of the user is improved.

Referring to fig. 2 and 4, a plurality of ring teeth 111 are integrally formed at one end of the upright post 11 facing the positioning slot 32, and the plurality of ring teeth 111 are arranged along the length direction of the upright post 11. The inner walls of the two arc pieces 41 are provided with a plurality of ring grooves 412 which are matched with the ring teeth 111, the ring teeth 111 are clamped with the ring grooves 412, the contact area between the upright post 11 and the arc pieces 41 is increased, and therefore the fixing stability of the upright post 11 and the arc pieces 41 is improved, and the upright post 11 and the arc pieces 41 are not prone to falling off.

Referring to fig. 2 and 5, in order to make the ring gear 111 more easily snap into the ring groove 412, the side wall of the ring gear 111 is inclined, the large end of the ring gear 111 and the upright post 11 are integrally formed, and the ring groove 412 of the arc piece 41 is matched with the ring gear 111, so that the convenience of the user for snapping the ring gear 111 is improved.

Referring to fig. 2, the embedded parts 2 are provided with a plurality of the embedded parts 2, the embedded parts 2 can adopt reinforcing steel bars, in order to improve the stability of the embedded parts fixed in the bridge floor, one ends of the embedded parts 2 extending into the bridge floor are bent and set, and the bent ends deviate from the central line of the fixed seat 3, so that the pulling resistance of the embedded parts 2 is improved, and the embedded parts 2 are more stable to be fixed with the bridge floor.

In order to improve the fixed stability of fixing base 3 and built-in fitting 2, the one end threaded connection that built-in fitting 2 stretches out the bridge floor has fixation nut 21, fixation nut 21 on every built-in fitting 2 is provided with two, one of them fixation nut 21 carries out the butt with fixing base 3, another fixation nut 21 is located the butt in the top and the butt of fixation nut 21 of fixing base 3, the setting of two fixation nuts 21 has reduced the not hard up probability of taking place between fixation nut 21 and the built-in fitting 2, the stability of fixing base 3 and built-in fitting 2 has been improved, thereby improve the stability of this application.

Referring to fig. 1, the cross beam 12 is further fixed with an anti-collision net 13 through bolts, and the anti-collision net 13 can disperse impact force to each cross beam 12 and the upright post 11, so that the protection of the guardrail 1 on vehicles is improved, and the damage probability of the guardrail 1 is reduced.

Referring to fig. 4, in order to reduce the damage of the vehicle, the beam 12 is fixed with an elastic bumper strip 121 by bolts at one side facing the center of the bridge deck, the bumper strip 121 may be made of elastic rubber, and the bumper strip 121 may also reduce the damage of the guardrail 1.

The implementation principle of the bridge anti-collision device easy to maintain in the embodiment of the application is as follows:

1. firstly, pre-embedding the pre-embedded part 2 on the bridge deck; then the fixed seat 3 is fixed on the embedded part 2 through two fixing nuts 21;

2. inserting a plurality of posts 11 into the positioning grooves 32; then, the two arc pieces 41 are slid to enable the two arc pieces 41 to be abutted and locked through the locking bolt 42;

3. inserting a reinforcing block 312 in the slot 311;

4. fixing an anti-collision sheet 121 on one side of the beam 12 facing the center of the bridge deck through a bolt;

5. the impact net 13 is fixed to the cross member 12 by bolts.

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 an easy to maintain's bridge buffer stop, includes guardrail (1), guardrail (1) includes stand (11) and fixes crossbeam (12) on stand (11), its characterized in that: still including the built-in fitting (2) that stretch into the bridge floor, the one end that the bridge floor was stretched out in built-in fitting (2) is fixed with fixing base (3), slide on fixing base (3) and be connected with locking Assembly (4) that are used for connecting stand (11), locking Assembly (4) include two arc pieces (41) and locking bolt (42), two arc piece (41) enclose establish the fixed chamber that forms adaptation in stand (11), locking bolt (42) and arc piece (41) and stand (11) threaded connection.

2. The easy-to-maintain bridge bump guard of claim 1, wherein: the fixing base (3) is provided with two T-shaped sliding grooves (31), the lower end of each arc piece (41) is fixed with a sliding block (411) matched with the sliding groove (31), the center of the fixing base (3) is provided with a positioning groove (32) matched with the upright post (11), the two sliding grooves (31) are symmetrical along the diameter of the positioning groove (32), and one end, far away from the positioning groove (32), of each sliding groove (31) is sealed.

3. The easy-to-maintain bridge bump guard of claim 2, wherein: an anti-pulling block (4111) is fixed on the side face, far away from the sliding groove (31), of the sliding block (411).

4. The easy-to-maintain bridge bump guard of claim 2, wherein: a slot (311) is formed in the bottom wall of one end, away from the positioning groove (32), of the sliding groove (31), a reinforcing block (312) is inserted into the slot (311), and the reinforcing block (312) abuts against the arc sheet (41).

5. The easy-to-maintain bridge bump guard of claim 1, wherein: the one end of stand (11) orientation constant head tank (32) is provided with a plurality of ring teeth (111), annular groove (412) of a plurality of adaptation ring teeth (111) are seted up to the inner wall of arc piece (41).

6. The easy-to-maintain bridge bump guard of claim 5, wherein: the tooth walls on two sides of the ring tooth (111) are obliquely arranged, and the large end of the ring tooth (111) is fixed with the upright post (11).

7. The easy-to-maintain bridge bump guard of claim 1, wherein: one end of each embedded part (2) extending into the bridge floor is bent, one end of each embedded part (2) extending out of the bridge floor and the fixing seat (3) are provided with two fixing nuts (21), and the two fixing nuts (21) of each embedded part (2) are used for fixing the embedded parts (2) and the fixing seats (3).

8. The easy-to-maintain bridge bump guard of claim 1, wherein: and an anti-collision net (13) is further fixed on the cross beam (12).

9. The easy-to-maintain bridge bump guard of claim 1, wherein: an elastic anti-collision sheet (121) is further fixed on the cross beam (12).