CN112942096A - Bridge engineering is with crashproof type buffering guardrail structure - Google Patents
Bridge engineering is with crashproof type buffering guardrail structure Download PDFInfo
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- CN112942096A CN112942096A CN202110150527.2A CN202110150527A CN112942096A CN 112942096 A CN112942096 A CN 112942096A CN 202110150527 A CN202110150527 A CN 202110150527A CN 112942096 A CN112942096 A CN 112942096A
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- semicircular
- sleeve
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses an anti-collision buffer guardrail structure for bridge engineering, which comprises a plurality of fixed stand columns and a protective guard arranged between two adjacent fixed stand columns, wherein a reinforcing support device is arranged inside each fixed stand column, an elastic collision buffer device is arranged on each fixed stand column, and an assembled rotary anti-collision buffer device is arranged on each elastic collision buffer device. According to the anti-collision buffer turntable, the anti-collision buffer turntable rotates, the collision kinetic energy of automobile collision is effectively reduced through the elasticity of the anti-collision buffer turntable, downward extrusion force is applied to an automobile through the inclined installation of the fixed sleeve, the automobile is prevented from overturning, the anti-collision buffer turntable can be rapidly installed and replaced through the semicircular rotary anti-collision seat and the semicircular support rotating seat, a worker can conveniently maintain a guardrail, and the collision kinetic energy borne by the fixed stand column is effectively reduced through the contact and matching of the elasticity of the powerful compression spring, the limiting sleeve and the buffer sleeve.
Description
Technical Field
The invention relates to the field of bridge protection related equipment, in particular to an anti-collision buffer guardrail structure for bridge engineering.
Background
With the rapid development of economy, automobiles are commonly used as a convenient vehicle. On a common road or an expressway, because the speed of an automobile is too high, traffic accidents frequently occur, the most serious of the accidents is that the automobile running at high speed collides guard rails at the roadside, the middle of the road or the side of a bridge, the guard rails are formed by concrete bricks or concrete blocks arranged at intervals and transverse bars connecting adjacent blocks, or are formed by connecting transverse bars and vertical columns of a steel structure, however, the guard rails cannot absorb the collision kinetic energy of the automobile, the automobile is subjected to reverse acting force of the guard rails after collision, the automobile overturns or reverses and deviates from an original lane, secondary collision is easily generated with the automobile running at high speed, the death of a plurality of automobiles is caused, and the hazard of the accidents is aggravated.
And to bridge road, because safety protection requires highly, the both sides on road generally all adopt the cement stone mound or protect to prevent that the vehicle from rushing out the bridge floor high altitude and falling or falling into the aquatic, but when adopting the cement stone mound to protect, because the unable collision kinetic energy that absorbs the car of cement stone mound, secondary injury when leading to the car accident to take place very easily can't reduce the injury that the car accident caused.
Disclosure of Invention
The invention aims to solve the problems and designs an anti-collision buffer guardrail structure for bridge engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-collision buffer guardrail structure for bridge engineering comprises a plurality of fixed stand columns and guard rails arranged between two adjacent fixed stand columns, wherein the fixed stand columns are fixedly arranged at the edges of two sides of a bridge through foundation bolts;
the assembled rotary anti-collision buffer device comprises a fixed sleeve, a plurality of groups of fixing through holes are formed in the lower end of the outer side surface of the fixed sleeve, the fixing through holes are evenly distributed on the fixed sleeve, each group of fixing through holes is divided into two, the two fixing through holes in the same group are located on two sides of the fixed sleeve, a sealing baffle is mounted below the center of the inside of the fixed sleeve, a cross support frame is mounted at the upper end of the sealing baffle, reinforced concrete is arranged inside the fixed sleeve and located above the sealing baffle, the cross support frame is located inside the reinforced concrete, an inverted convex limiting table is mounted at the upper end of the fixed sleeve, a plurality of groups of semicircular rotary anti-collision seats are arranged on the fixed sleeve, each group of semicircular rotary anti-collision seats is divided into two, and fixing grooves are formed in two ends of the outer side surface of each, the two semicircular rotary anti-collision seats are fixed through fixing bolts and fixing nuts, the fixing bolts and the fixing nuts are positioned in the fixing grooves, the upper surface of each semicircular rotary anti-collision seat is provided with a rotating groove, the inner side surface and the lower surface of each rotating groove are provided with a plurality of sliding ball grooves, sliding balls are movably arranged in the sliding ball grooves, the lower surface of each semicircular rotary anti-collision seat is provided with a rotating boss, the rotating boss is movably inserted into the rotating groove in the semicircular rotary anti-collision seat below the semicircular rotary anti-collision seat and is in sliding connection with the sliding balls, the inverted convex limiting table is movably inserted into the rotating groove in the semicircular rotary anti-collision seat above the semicircular rotary anti-collision seat, the inverted convex limiting table is in sliding connection with the sliding balls, the outer side surface of each semicircular rotary anti-collision seat is provided with a turntable groove, and a semicircular anti-collision buffer turntable, the rotary plate groove and the semicircular anti-collision buffer rotary plate are fixed through rotary plate bolts, two arc-shaped soft steel support rings are arranged inside the semicircular anti-collision buffer rotary plate, the two arc-shaped soft steel support rings are uniformly distributed inside the semicircular anti-collision buffer rotary plate, and an adjustable semicircular support rotary seat device is arranged on the fixed sleeve;
the regulation formula semicircle formula is supported and is rotated seat device and include that two semicircle formulas support and rotate the seat, the semicircle formula is supported and is rotated seat upper surface and open and have the support recess, the side surface and the lower surface that support the recess are opened and have a plurality of support ball grooves, support ball groove evenly distributed in supporting the recess, it has the support ball to support sliding mounting in the ball groove, support ball and the rotatory boss sliding connection that rotates on the crashproof seat of semicircle formula of lower extreme, the semicircle formula supports and rotates seat side surface center department and open and have the support bolt recess, the semicircle formula supports and rotates through support bolt and support nut fixed connection between seat and the fixed sleeving, support bolt and support nut are located the support bolt recess, support bolt inserts in the fixed through-hole.
Further, elastic impact buffer includes buffer sleeve is installed at both ends about the fixed stand side surface, powerful compression spring is installed to the inside one end of buffer sleeve, slip flexible post is installed to powerful compression spring's one end, slip flexible post and buffer sleeve sliding connection, spacing sleeve is installed to the one end of slip flexible post, be located and install the sleeve pipe fixing base on the spacing sleeve of fixed stand side surface upper end, be located and install the lower casing fixing base on the spacing sleeve of fixed stand side surface lower extreme, fixed sleeve's upper end and last sleeve pipe fixing base fixed connection, fixed sleeve's lower extreme and lower casing fixing base fixed connection, the certain angle of fixed sleeve slope.
Further, strengthen strutting arrangement and include fixed stand inside center department is equipped with the reinforcing bar stand, the outside of reinforcing bar stand is installed a plurality of cross reinforcing bars on the surface, cross reinforcing bar evenly distributed is on the reinforcing bar stand, the fixed stand intussuseption is filled with the concrete, cross reinforcing bar and reinforcing bar stand are located the concrete.
Furthermore, the two semicircular rotary anti-collision seats are spliced to form a circular rotary anti-collision seat, and the circular rotary anti-collision seat is connected with the fixed sleeve in a sliding mode.
Furthermore, the two semicircular supporting rotating seats are spliced to form a circular supporting rotating seat, and the circular supporting rotating seat is connected with the fixed sleeve in a sliding manner.
Furthermore, the outer surface one end cover of slip flexible post is equipped with the cushion, the cushion is located between spacing sleeve and the cushion sleeve.
Furthermore, the limit sleeve is movably contacted with the buffer sleeve through a buffer cushion.
Furthermore, the semicircular anti-collision buffer turntable is made of EVA and polyurethane composite materials.
Further, in the above-mentioned case,
the anti-collision buffer guardrail structure for bridge engineering manufactured by the technical scheme of the invention has the following beneficial effects:
this buffering guardrail device, constitute a circular anticollision buffering carousel through the rotatory crashproof carousel of semicircle formula on the crashproof seat of two semicircles, and rotation through anticollision buffering carousel, when making car collision anticollision buffering carousel, can remove along anticollision buffering carousel, effectual reduction car collision's the clash kinetic energy, and elasticity through anticollision buffering carousel itself, reduce car collision's the clash kinetic energy once more, through the slope installation of fixed sleeving, can make anticollision buffering carousel when rotating, exert decurrent extrusion force to the car, avoid the car to take place the condition emergence of upset, effectual protection in-car personnel's safety.
This buffering guardrail device, support through using the rotatory crashproof seat of semicircle formula and semicircle formula to rotate the seat, can make the crashproof buffering carousel can be quick install and change, make things convenient for the staff to maintain the guardrail, make the crashproof buffering carousel of damage can carry out quick change, thereby guarantee the crashproof shock-absorbing capacity of guardrail, and in the maintenance process, for traditional rotatory anti-collision bucket guardrail, this device is in the maintenance process, need not to change all crashproof buffering carousels, only need to change the crashproof buffering carousel that has damaged can, the effectual operation and the use that have made things convenient for the staff.
This buffering guardrail device, elasticity and spacing sleeve and the cooperation of buffering sleeve contact through powerful compression spring to cushion once more, the clash kinetic energy that effectual reduction stationary mast received, thereby avoid stationary mast to receive the clash dynamics too big and take place to warp.
This buffering guardrail device fills the set collar through cross support frame and crashproof concrete, can effectually strengthen the intensity of set collar, avoids the set collar to take place to warp, fills the stationary mast through cross reinforcing bar and concrete, can effectually strengthen the intensity of stationary mast, avoids the stationary mast to take place to warp to make use that stationary collar and stationary mast can the safety and stability.
Drawings
FIG. 1 is a schematic structural view of an anti-collision buffer guardrail structure for bridge engineering according to the present invention;
FIG. 2 is a front view of the crash-proof bumper guard structure for bridge engineering according to the present invention;
FIG. 3 is a schematic view of an assembled rotary crash cushion of the present invention;
FIG. 4 is a schematic view of a semi-circular rotating crash pad of the present invention;
FIG. 5 is a top view of the semi-circular rotating crash block of the present invention;
FIG. 6 is a schematic view of the retaining groove of the present invention;
FIG. 7 is a top view of the retaining sleeve of the present invention;
FIG. 8 is a schematic view of the resilient crash cushion of the present invention;
FIG. 9 is a top view of the reinforcing support apparatus of the present invention;
in the figure, 1, fixing the upright post; 2. protecting the fence; 3. fixing the sleeve; 4. a fixing through hole; 5. sealing the baffle; 6. a cross support frame; 7. reinforcing the concrete; 8. an inverted convex limiting table; 9. a semicircular rotary anti-collision seat; 10. fixing the groove; 11. fixing the bolt; 12. fixing a nut; 13. rotating the groove; 14. a sliding ball groove; 15. a sliding ball; 16. rotating the boss; 17. a turntable groove; 18. a semicircular anti-collision buffer turntable; 19. a turnplate bolt; 20. an arc-shaped soft steel support ring; 21. a semicircular supporting rotating seat; 22. a support groove; 23. a support ball groove; 24. a support ball; 25. a support bolt groove; 26. a support bolt; 27. a support nut; 28. a buffer sleeve; 29. a strong compression spring; 30. sliding the telescopic column; 31. a limiting sleeve; 32. an upper sleeve fixing seat; 33. a lower sleeve fixing seat; 34. a steel bar upright post; 35. cross-shaped steel bars; 36. concrete; 37. a cushion pad.
Detailed Description
The invention is described in detail below with reference to the drawings, which are shown in fig. 1-9.
The invention of the scheme is characterized in that the structure design of the assembled rotary anti-collision buffer device is combined with an attached drawing 1, an attached drawing 2, an attached drawing 3, an attached drawing 4, an attached drawing 5, an attached drawing 6 and an attached drawing 7, the assembled rotary anti-collision buffer device comprises a fixed sleeve 3, a plurality of groups of fixed through holes 4 are arranged at the lower end of the outer side surface of the fixed sleeve 3, the fixed through holes 4 are uniformly distributed on the fixed sleeve 3, each group of fixed through holes 4 is divided into two, the two fixed through holes 4 in the same group are positioned at two sides of the fixed sleeve 3, a sealing baffle 5 is arranged below the center of the inside of the fixed sleeve 3, a cross-shaped support frame 6 is arranged at the upper end of the sealing baffle 5, reinforced concrete 7 is arranged in the fixed sleeve 3, the reinforced concrete 7 is positioned above the sealing baffle 5, the cross-shaped support frame 6 is positioned in the reinforced concrete 7, an inverted convex limiting table 8 is arranged, each group of semicircular rotary anti-collision seats 9 is divided into two, two ends of the outer side surface of each semicircular rotary anti-collision seat 9 are provided with fixed grooves 10, the two semicircular rotary anti-collision seats 9 are fixed by fixing bolts 11 and fixing nuts 12, the fixing bolts 11 and the fixing nuts 12 are positioned in the fixed grooves 10, the upper surface of each semicircular rotary anti-collision seat 9 is provided with a rotary groove 13, the inner side surface and the lower surface of each rotary groove 13 are provided with a plurality of sliding ball grooves 14, sliding balls 15 are movably arranged in the sliding ball grooves 14, the lower surface of each semicircular rotary anti-collision seat 9 is provided with a rotary boss 16, the rotary boss 16 is movably inserted into the rotary groove 13 in the semicircular rotary anti-collision seat 9 below, the rotary boss 16 is in sliding connection with the sliding balls 15, the inverted convex limiting table 8 is movably inserted into the rotary groove 13 in the uppermost semicircular rotary anti-collision seat 9, the inverted convex limiting table 8 is in sliding connection with the sliding balls 15, a turntable groove 17 is formed in the outer side surface of the semicircular rotary anti-collision seat 9, a semicircular anti-collision buffer turntable 18 is arranged inside the turntable groove 17, the turntable groove 17 and the semicircular anti-collision buffer turntable 18 are fixed through a turntable bolt 19, two arc-shaped soft steel support rings 20 are arranged inside the semicircular anti-collision buffer turntable 18, the two arc-shaped soft steel support rings 20 are uniformly distributed inside the semicircular anti-collision buffer turntable 18, and an adjustable semicircular support rotary seat device is arranged on the fixed sleeve 3; the adjustable semicircular supporting and rotating seat device comprises two semicircular supporting and rotating seats 21, wherein a supporting groove 22 is formed in the upper surface of each semicircular supporting and rotating seat 21, a plurality of supporting ball grooves 23 are formed in the side surface and the lower surface of each supporting groove 22, the supporting ball grooves 23 are uniformly distributed in the supporting grooves 22, supporting balls 24 are arranged in the supporting ball grooves 23 in a sliding mode, the supporting balls 24 are connected with a rotating boss 16 on the lowermost semicircular rotating anti-collision seat 9 in a sliding mode, a supporting bolt groove 25 is formed in the center of the side surface of each semicircular supporting and rotating seat 21, the semicircular supporting and rotating seats 21 and the fixed sleeve 3 are fixedly connected through supporting bolts 26 and supporting nuts 27, the supporting bolts 26 and the supporting nuts 27 are located in the supporting bolt grooves 25, and the supporting bolts 26 are inserted into the fixed through holes 4; the semi-circular anti-collision buffer turntables 18 form a plurality of circular anti-collision buffer turntables 18 through a plurality of circular rotary anti-collision seats 9 formed by a plurality of groups of semi-circular rotary anti-collision seats 9, the stability of fixing the semi-circular anti-collision buffer turntables 18 can be effectively ensured through the turntable grooves 17, the condition that the semi-circular anti-collision buffer turntables 18 fall off due to overlarge collision force is avoided, a plurality of circular anti-collision buffer turntables 18 can be stacked together to form an anti-collision buffer rotary drum through the matching of the rotary grooves 13 and the rotary bosses 16, the installation and maintenance of workers are facilitated, meanwhile, the effective shock absorption and the buffer can be carried out on collision accidents, the impact force of the collision accidents is reduced, the vehicles can move along the guardrails through the rotation of the anti-collision buffer rotary drums, the impact force borne by the vehicles is reduced, the safety of the personnel in the vehicles is protected, the, can effectually avoid the fixed sleeving 3 self to take place crooked to avoid the fixed sleeving 3 to take place to warp because of the collision, support semicircle formula anticollision buffering carousel 18 through arc mild steel lock ring 20, can effectual improvement semicircle formula anticollision buffering carousel 18's shock attenuation buffer capacity, support the use of rotating seat 21 through the semicircle formula, can support the anticollision buffering rotary drum, and when installation and maintenance, the staff's of being convenient for operation and use.
The invention is characterized in that the structure design of the elastic impact buffer device is combined with the attached figures 1 and 2, fig. 8 shows that the elastic impact buffering device includes a fixed upright 1, the upper and lower ends of the side surface of which are provided with buffering sleeves 28, one end inside the buffering sleeve 28 is provided with a powerful compression spring 29, one end of the powerful compression spring 29 is provided with a sliding telescopic column 30, the sliding telescopic column 30 is connected with the buffering sleeve 28 in a sliding manner, one end of the sliding telescopic column 30 is provided with a limiting sleeve 31, the limiting sleeve 31 at the upper end of the side surface of the fixed upright 1 is provided with an upper sleeve fixing seat 32, the limiting sleeve 31 at the lower end of the side surface of the fixed upright 1 is provided with a lower sleeve fixing seat 33, the upper end of the fixed sleeve 3 is fixedly connected with the upper sleeve fixing seat 32, the lower end of the fixed sleeve 3; through the certain angle of slope of fixed sleeve 3, when can making the collision accident take place, semicircle formula anticollision buffering carousel 18 can apply decurrent turning force to the vehicle, thereby reduce the probability that the vehicle takes place the upset condition because of the collision, protect vehicle and interior personnel's safety, elasticity and spacing sleeve 31 and the contact cooperation of buffer sleeve 28 through powerful compression spring 29, make upper casing fixing base 32 and lower casing fixing base 33 can effectually cushion, can guarantee the security of powerful compression spring 29 itself simultaneously again, reduce the direct impact force that fixed stand 1 received simultaneously, protect fixed stand 1's safety.
In this device, combine figure 9, strengthen strutting arrangement through at inside reinforcing bar stand 34 and the cross reinforcing bar 35 that sets up of fixed post 1 to fill through concrete 36, thereby strengthen fixed post 1, avoid fixed post inside to take place the bending when leading to the automobile collision because of hollow, lead to the guardrail to take place the problem emergence of damaging.
The working principle is as follows:
when the device is required to be used, firstly, workers mount foundation bolts at the edges of two ends of a bridge according to the intervals between the fixed stand columns 1, and when the fixed stand columns 1 are required to be mounted after the foundation bolts are mounted, the workers mount the fixed stand columns 1 at the edges of two ends of the bridge manually at the moment and fix the fixed stand columns 1 through the foundation bolts and foundation nuts;
then, welding the guard rail 2 between two adjacent fixed upright posts 1 by a worker through welding equipment, and installing the semicircular rotary anti-collision seat 9 manually by the worker after the guard rail 2 is welded;
at the moment, a worker places a group of two semicircular rotary anti-collision seats 9 on two sides of the fixed sleeve 3 and splices the two semicircular rotary anti-collision seats 9 to form a circular rotary anti-collision seat, when the two semicircular rotary anti-collision seats 9 are aligned, the worker manually inserts the fixing bolt 11 into the fixing groove 10 on one semicircular rotary anti-collision seat 9 and places the fixing nut 12 into the other semicircular rotary anti-collision seat 9, the worker adjusts the fixing bolt 11 and the fixing nut 12 through a wrench to fix the two semicircular rotary anti-collision seats 9, and when the fixation is finished, the circular rotary anti-collision seat formed by the two semicircular rotary anti-collision seats 9 is fixed on the fixed sleeve 3 and can rotate and slide up and down on the fixed sleeve 3, then, the worker sequentially installs the semi-circular rotary anti-collision seats 9 on the fixed sleeve 3 according to the operation, so that all the semi-circular rotary anti-collision seats 9 are installed on the fixed sleeve 3;
when all the semicircular rotary anti-collision seats 9 are installed on the fixed sleeve 3, the rotary bosses 16 on the semicircular rotary anti-collision seats 9 are sequentially inserted into the rotary grooves 13 on the lower semicircular rotary anti-collision seat 9, so that the semicircular rotary anti-collision seats 9 are stacked together, and the semicircular anti-collision buffer turntables 18 form an anti-collision buffer rotary drum;
at the moment, the worker manually pushes the semicircular rotary anti-collision seats 9 to expose the lower end of the fixed sleeve 3, places the two semicircular supporting rotary seats 21 on the two sides of the fixed sleeve 3, assembles the two semicircular supporting rotary seats 21, drops the rotary lug boss 16 below the lowermost semicircular rotary anti-collision seat 9 into the supporting groove 22 on the semicircular supporting rotary seats 21, holds the two semicircular supporting rotary seats 21 by hand, adjusts the height of the semicircular supporting rotary seats 21 to enable the rotary groove 13 on the uppermost semicircular rotary anti-collision seat 9 to be sleeved on the inverted convex limiting table 8, inserts the supporting bolt 26 into the supporting bolt groove 25 in one semicircular supporting rotary seat 21, and inserts the supporting nut 27 into the supporting bolt groove 25 in the other semicircular supporting rotary seat 21, then the supporting bolt 26 and the supporting nut 7 are fastened through a spanner, so that the device is completely installed;
at the moment, the worker can sequentially mount the semicircular anti-collision buffer turntables 18 on the fixed sleeve 3 according to the mode, so that the device is mounted;
when an automobile accident occurs and the automobile rushes to guardrails on two sides of a bridge, the front end of the automobile contacts with a round anti-collision buffer turntable consisting of semi-circular anti-collision buffer turntables 18 on a fixed sleeve 3, the automobile collides with the round anti-collision buffer turntable at the same time, so that the round anti-collision buffer turntable deforms to buffer the automobile for the first time, the round anti-collision buffer turntable starts to rotate around the fixed sleeve 3 due to the impact force of the automobile, in the rotating process of the round anti-collision buffer turntable, because the fixed sleeve 3 inclines for a certain angle, the part of the round anti-collision buffer turntable which is about to be separated from the automobile rotates upwards, and the part of the round anti-collision buffer turntable which is about to be contacted with the automobile rotates downwards, so when the automobile collides with the round anti-collision buffer turntable, the elastic force of the round anti-collision buffer turntable and the support of an arc soft steel support ring 20 are, the collision is buffered for the first time, then the direction of the collision force of the automobile is changed through the rotation of the round anti-collision buffer turntable, so that the direction of the collision force of the automobile is adjusted along the rotation of the round anti-collision buffer turntable, the automobile moves close to the round anti-collision buffer turntable, the impact force generated by the collision of the automobile is reduced again, and the collision is buffered for the second time;
when the round anti-collision buffer turntable rotates, the part to be separated from the automobile rotates upwards, and the part to be contacted with the automobile rotates downwards, so that the contact part of the automobile and the round anti-collision buffer turntable is subjected to downward extrusion force after the collision occurs, the probability of the overturning of the automobile when the automobile collides with a guardrail is avoided, and the safety of the automobile and personnel in the automobile is protected more safely;
in the collision process, after the circular anti-collision buffer turntable is in collision contact with an automobile, the impact force generated by the collision is transmitted to the fixed sleeve 3 by the circular anti-collision buffer turntable, the fixed sleeve 3 drives the upper sleeve fixing seat 32 and the lower sleeve fixing seat 33 and drives the upper sleeve fixing seat 32 and the lower sleeve fixing seat 33 to move, so that the limit sleeve 31 is pushed to move transversely, the limit sleeve 31 drives the sliding telescopic column 30 to start to be inserted into the buffer sleeve 28 along with the transverse movement of the limit sleeve 31, the strong compression spring 29 is compressed, the direct impact force on the fixed upright column 1 is reduced, the problem that the fixed upright column 1 is bent due to overlarge direct impact force is avoided, the fixed upright column 1 can be safely used, and along with the movement of the limit sleeve 31, when the limit sleeve 31 drives the buffer cushion 37 to be in contact with the buffer sleeve 28, at this time, the impact force generated by the collision is transmitted to the fixed upright post 1 after being buffered, and the buffered impact force is borne by the rigidity of the fixed upright post 1, so that the vehicle is protected.
And in the collision emergence in-process, support the inside of fixation sleeve 3 through cross support frame 6, thereby improve fixation sleeve 3's intensity, rethread reinforced concrete 7 is filled between fixation sleeve 3 and cross support frame 6, thereby fix sleeve 3's intensity once more, thereby avoid fixation sleeve 3 to receive direct impact force too big and take place the bending, thereby guarantee fixation sleeve 3's safe handling, and in the collision emergence in-process, when fixation post 1 receives direct impact, through the inside concrete 36 of fixation post 1 and cross reinforcing bar 35, support the inside fixed post 1, promote fixation post 1's intensity, thereby avoid fixation post 1 to take place the slope, the effectual security of device self when having guaranteed the accident and taking place, thereby avoid changing fixation post 1 or fixation sleeve 3, the life of the improvement device.
When the semi-circular anti-collision buffer turntable 18 is damaged after the device is used for a certain time, a worker can disassemble the supporting bolt 26 and the supporting nut 27 by a wrench, so that the two semicircular supporting rotary seats 21 are detached from the fixed sleeve 3, and then the semicircular anti-collision buffer turntable 18 to be replaced is lifted manually, and the semi-circular anti-collision buffer turntable 18 to be replaced and the rest semi-circular anti-collision buffer turntable 18 are supported by a tool, at the moment, a worker can disassemble the fixing bolt 11 and the fixing nut 12 at the semi-circular anti-collision buffer turntable 18 to be replaced by a wrench, when the semi-circular rotary anti-collision seat 9 to be replaced is disassembled, the worker installs a new semi-circular rotary anti-collision seat 9, after the new semicircular rotary anti-collision seat 9 is installed, the semicircular support rotating seat 21 is installed on the fixed sleeve 3.
And at this moment, the staff will dismantle the carousel bolt 19 on the rotatory crashproof seat 9 of semicircle formula through the spanner and pull down to take off semicircle formula anticollision buffering carousel 18 from the rotatory crashproof seat 9 of semicircle formula, and install new semicircle formula anticollision buffering carousel 18 in the carousel recess 17 on the rotatory crashproof seat 9 of semicircle formula, and fix through carousel bolt 19, thereby wait for next time change can.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. An anti-collision buffer guardrail structure for bridge engineering comprises a plurality of fixed stand columns (1) and guard railings (2) arranged between two adjacent fixed stand columns (1), wherein the fixed stand columns (1) are fixedly arranged at the edges of two sides of a bridge through foundation bolts;
the assembled rotary anti-collision buffer device comprises a fixed sleeve (3), a plurality of groups of fixing through holes (4) are formed in the lower end of the outer side surface of the fixed sleeve (3), the groups of fixing through holes (4) are evenly distributed on the fixed sleeve (3), each group of fixing through holes (4) is divided into two groups, the two fixing through holes (4) in the same group are located on two sides of the fixed sleeve (3), a sealing baffle (5) is installed below the center of the inside of the fixed sleeve (3), a cross support frame (6) is installed at the upper end of the sealing baffle (5), reinforced concrete (7) is arranged inside the fixed sleeve (3), the reinforced concrete (7) is located above the sealing baffle (5), the cross support frame (6) is located inside the reinforced concrete (7), and an inverted convex limiting table (8) is installed at the upper end of the fixed sleeve (3), the anti-collision device is characterized in that a plurality of groups of semicircular rotary anti-collision seats (9) are arranged on the fixed sleeve (3), each group of semicircular rotary anti-collision seats (9) is divided into two parts, fixed grooves (10) are formed in two ends of the outer side surface of each semicircular rotary anti-collision seat (9), the two semicircular rotary anti-collision seats (9) are fixed through fixing bolts (11) and fixing nuts (12), the fixing bolts (11) and the fixing nuts (12) are located in the fixed grooves (10), rotary grooves (13) are formed in the upper surface of each semicircular rotary anti-collision seat (9), a plurality of sliding ball grooves (14) are formed in the inner side surface and the lower surface of each rotary groove (13), sliding balls (15) are movably arranged in the sliding ball grooves (14), rotary bosses (16) are arranged on the lower surface of each semicircular rotary anti-collision seat (9), and the rotary bosses (16) are movably inserted into the rotary grooves (13) in the semicircular rotary anti-collision seats (9) below, the rotating boss (16) is connected with the sliding ball (15) in a sliding way, the inverted convex limiting table (8) is movably inserted into the rotating groove (13) in the uppermost semicircular rotating anti-collision seat (9), the inverted convex limiting table (8) is connected with a sliding ball (15) in a sliding way, the outer side surface of the semicircular rotary anti-collision seat (9) is provided with a turntable groove (17), a semicircular anti-collision buffer turntable (18) is arranged in the turntable groove (17), the turntable groove (17) and the semicircular anti-collision buffer turntable (18) are fixed through a turntable bolt (19), two arc soft steel supporting rings (20) are arranged inside the semicircular anti-collision buffer turntable (18), the two arc-shaped soft steel support rings (20) are uniformly distributed inside the semicircular anti-collision buffer turntable (18), and an adjustable semicircular support rotating seat device is arranged on the fixed sleeve (3);
the adjustable semicircular supporting rotating seat device comprises two semicircular supporting rotating seats (21), the semicircular supporting rotating seats (21) are provided with supporting grooves (22) on the upper surface, a plurality of supporting ball grooves (23) are arranged on the side surface and the lower surface of each supporting groove (22), the supporting ball grooves (23) are uniformly distributed in the supporting grooves (22), supporting balls (24) are arranged in the supporting ball grooves (23) in a sliding manner, the supporting balls (24) are connected with rotating bosses (16) on the semicircular rotating anti-collision seats (9) at the lowest end in a sliding manner, supporting bolt grooves (25) are arranged at the centers of the side surfaces of the semicircular supporting rotating seats (21), the semicircular supporting rotating seats (21) are fixedly connected with the fixed sleeve (3) through supporting bolts (26) and supporting nuts (27), and the supporting bolts (26) and the supporting nuts (27) are located in the supporting bolt grooves (25), the support bolt (26) is inserted into the fixing through hole (4).
2. The anti-collision buffer guardrail structure for bridge engineering according to claim 1, wherein the elastic impact buffer device comprises buffer sleeves (28) installed at the upper and lower ends of the side surface of the fixed upright post (1), a strong compression spring (29) is installed at one end inside the buffer sleeves (28), a sliding telescopic post (30) is installed at one end of the strong compression spring (29), the sliding telescopic post (30) is slidably connected with the buffer sleeves (28), a limit sleeve (31) is installed at one end of the sliding telescopic post (30), an upper sleeve fixing seat (32) is installed on the limit sleeve (31) positioned at the upper end of the side surface of the fixed upright post (1), a lower sleeve fixing seat (33) is installed on the limit sleeve (31) positioned at the lower end of the side surface of the fixed upright post (1), and the upper end of the fixed sleeve (3) is fixedly connected with the upper sleeve fixing seat (32), the lower end of the fixed sleeve (3) is fixedly connected with the lower sleeve fixing seat (33), and the fixed sleeve (3) inclines at a certain angle.
3. The anti-collision buffer guardrail structure for bridge engineering according to claim 1, wherein the reinforcing and supporting device comprises a steel bar upright (34) arranged at the center inside the fixed upright (1), a plurality of cross steel bars (35) are installed on the outer side surface of the steel bar upright (34), the cross steel bars (35) are uniformly distributed on the steel bar upright (34), the fixed upright (1) is filled with concrete (36), and the cross steel bars (35) and the steel bar upright (34) are located in the concrete (36).
4. The anti-collision buffer guardrail structure for bridge engineering according to claim 1, wherein the two semicircular rotary anti-collision seats (9) are spliced into a circular rotary anti-collision seat, and the circular rotary anti-collision seat is slidably connected with the fixed sleeve (3).
5. The anti-collision buffer guardrail structure for bridge engineering according to claim 1, wherein the two semicircular supporting rotary seats (21) are spliced into a circular supporting rotary seat, and the circular supporting rotary seat is slidably connected with the fixed sleeve (3).
6. The anti-collision buffer guardrail structure for bridge engineering according to claim 2, wherein a buffer cushion (37) is sleeved at one end of the outer side surface of the sliding telescopic column (30), and the buffer cushion (37) is located between the limiting sleeve (31) and the buffer sleeve (28).
7. The crash-proof bumper guard structure for bridge engineering according to claim 2, wherein the limit sleeve (31) is movably contacted with the cushion sleeve (28) via a cushion pad (37).
8. The crash-proof buffer guardrail structure for bridge engineering according to claim 1, wherein the semicircular crash-proof buffer turntable (18) is made of EVA and polyurethane composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150527.2A CN112942096B (en) | 2021-02-03 | 2021-02-03 | Bridge engineering is with crashproof type buffering guardrail structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150527.2A CN112942096B (en) | 2021-02-03 | 2021-02-03 | Bridge engineering is with crashproof type buffering guardrail structure |
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| Publication Number | Publication Date |
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| CN112942096A true CN112942096A (en) | 2021-06-11 |
| CN112942096B CN112942096B (en) | 2022-11-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718683A (en) * | 2021-09-30 | 2021-11-30 | 石统顺 | Road protection guardrail for buffering collision of automobile |
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| CN106498879A (en) * | 2016-12-09 | 2017-03-15 | 枣庄度秘信息科技有限公司 | A kind of new road guard rail |
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| CN206887759U (en) * | 2017-04-11 | 2018-01-16 | 嘉兴市长三角建设有限公司 | The Bridge guardrail that a kind of energy anti-vehicle hits |
| CN110904838A (en) * | 2019-12-26 | 2020-03-24 | 俞玉双 | Protective fence for bridge and protection method thereof |
| CN111593690A (en) * | 2020-05-21 | 2020-08-28 | 浙江机电职业技术学院 | Buffering formula highway rail guard |
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| CN206052610U (en) * | 2016-08-12 | 2017-03-29 | 浙江方圆市政工程有限公司 | A kind of drum-type anticollision barrier |
| CN106498879A (en) * | 2016-12-09 | 2017-03-15 | 枣庄度秘信息科技有限公司 | A kind of new road guard rail |
| CN206887759U (en) * | 2017-04-11 | 2018-01-16 | 嘉兴市长三角建设有限公司 | The Bridge guardrail that a kind of energy anti-vehicle hits |
| CN110904838A (en) * | 2019-12-26 | 2020-03-24 | 俞玉双 | Protective fence for bridge and protection method thereof |
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| CN113718683A (en) * | 2021-09-30 | 2021-11-30 | 石统顺 | Road protection guardrail for buffering collision of automobile |
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| CN112942096B (en) | 2022-11-01 |
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