阅读说明：本技术 一种适用于桥梁的m状可伸缩缓冲防撞护栏及其施工方法 (A kind of scalable cushion bumper guardrail of M shape suitable for bridge and its construction method ) 是由 田钦 胡奇超 谢英许 邱瑞锋 岳慧 彭雷雷 于 2019-08-15 设计创作，主要内容包括：本发明公开了一种适用于桥梁的M状可伸缩缓冲防撞护栏及其施工方法,其技术方案包括固定于桥梁旁的固定板、缓冲板以及防护钢板,所述固定板与缓冲板之间设有与之相连的至少一根第一压缩弹簧；所述缓冲板与防护钢板之间设有与之相连的至少一根伸缩型缓冲钢柱。本发明通过缓冲板和伸缩型缓冲钢柱的设计,有效降低了撞击对护栏和车辆的伤害,具有良好的自我复原能力；不仅能有效的控制住车辆保护驾驶员的生命安全,而且能延长护栏的使用寿命、降低后期装置的维护成本,具有良好的应用前景。(The invention discloses a kind of scalable cushion bumper guardrail of M shape suitable for bridge and its construction methods, its technical solution includes fixed plate, buffer board and the shoulder guard being fixed on by bridge, and the first compressed spring of at least one being attached thereto is equipped between the fixed plate and buffer board；At least one concertina type buffering steel column being attached thereto is equipped between the buffer board and shoulder guard.The present invention buffers the design of steel column by buffer board and concertina type, effectively reduces the injury hit to guardrail and vehicle, has good ego resilience ability；The life security of vehicle protection driver can not only be effectively controlled, and the service life of guardrail can be extended, reduce the maintenance cost of later period device, is had a good application prospect.)

1. a kind of scalable cushion bumper guardrail of M shape suitable for bridge, it is characterised in that: including the fixation being fixed on by bridge Plate (2), buffer board (8) and shoulder guard (16), between the fixed plate (2) and buffer board (8) be equipped be attached thereto to Few first compressed spring (1)；At least one being attached thereto is equipped between the buffer board (8) and shoulder guard (16) to stretch Miniature buffers steel column (14).

2. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 1, it is characterised in that: institute It states and is from top to bottom equipped with the first, second, third, fourth concertina type buffering steel column between buffer board (8) and shoulder guard (16) (141,142,143,144), four concertina type buffering steel column (14) combinations form " M " shape structure.

3. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 2, it is characterised in that: institute The outer wall for stating buffer board (8) is equipped with upper and lower two the first elongated grooves, and the bottom of first groove is equipped with first Sliding slot (9), interior the first sliding block (11) for being equipped with matched sliding of the first sliding groove (9), the two of first sliding block (11) The second compressed spring (10) being attached thereto is equipped between end face and the both ends inner wall of first sliding groove (9)；The shoulder guard (16) inner sidewall is equipped with the second elongated groove, and the bottom of second groove is equipped with second sliding slot (17), described Be equipped with two the second sliding blocks (18) of matched sliding in second sliding slot (17), between two second sliding blocks (18) and There are three being set at equal intervals between second sliding block (18) and the second sliding slot (17) both ends inner wall third compressed spring (15)；It is described The first, the 4th concertina type buffer steel column one end respectively with the first sliding block (11) of upper and lower hingedly, the other end respectively with it is upper, The second sliding block (18) of lower section is hinged；Second, third described concertina type buffers one end of steel column and is set between the first groove Rectangle bloom (3) on pin shaft it is hinged, the other end is hinged with the second sliding block (18) of upper and lower respectively.

4. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 3, it is characterised in that: institute Stating concertina type buffering steel column (14) includes brace steel post (24), hollow steel column (23), and the inside of the hollow steel column (23) is equipped with The third sliding slot (22) being slidably matched with brace steel post (24), the sliding slot (22) is interior equipped with the 4th compressed spring (21), described One end of compressed spring (21) is connect with the end face inner wall of the third sliding slot (22), the other end and the brace steel post (24) End face is connected.

5. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 1-4, feature Be: the lateral wall of the shoulder guard (16) is equipped with high elasticity abrasion-proof rubber layer (20).

6. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 5, it is characterised in that: institute The outer surface for stating high elasticity abrasion-proof rubber layer (20) is coated with the reflective waterproof coating layer of traffic (19).

7. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 6, it is characterised in that: also Including support rod (4), the bottom end of the support rod (4) is fixed on by bridge, is connected above top and the inner wall of the fixed plate (2) It connects.

8. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 7, it is characterised in that: institute The middle part for stating support rod (4) is equipped with the reinforcing bar (5) being attached thereto, and described one end for strengthening bar (5) and the support rod (4) are even It connects, is connect below the other end and the inner wall of the fixed plate (2).

9. the scalable cushion bumper guardrail of a kind of M shape suitable for bridge according to claim 8, it is characterised in that: institute The bottom for stating fixed plate (2) and support rod (4) passes through the first steel base (13) respectively, the second steel base (6) is fixed on by bridge, The first mounting hole (12), the second mounting hole (7) are respectively equipped on first, second steel base, the buffer board (8) is placed in The top of first steel base (13).

10. a kind of construction method of the scalable cushion bumper guardrail of M shape suitable for bridge, which is characterized in that including walking as follows It is rapid:

Adjustment notch: the predetermined installation site of the first steel base (13) and the second steel base (6) is marked with pulverized limestone in bridge floor Route is installed；

Pedestal positioning: the first steel base (13) and the second steel base (6) are put along four parallel lines of label, makes two steel The first mounting hole (12) and the second mounting hole (7) of pedestal are placed exactly on lime route, make the first steel base (13) and second Steel base (6) is in same mounting height, squeezes into 304 stainless steel expanding screws into (12) second mounting hole (7) of the first mounting hole Bolt completes the preliminary fixation of the first, second steel base；

Mounting plate (2): according to the stayed bayonet seat of the first steel base (13) tentatively fixed, fixed plate (2) is direct Installation insertion the second steel base (6), completes the preliminary fixation of fixed plate (2), then fixes support rod with M8*25 support bracket bolt (4), enable to support fixed plate (2) from the second steel base (6), further invigoration effect is played to fixed plate (2), most A reinforcing bar (5) is connected with M8*25 support bracket bolt between support rod and fixed plate afterwards, completes the final solid of fixed plate (2) It is fixed；

Install buffer board (8): by buffer board (8) according to the first steel base (13) there are sliding slot elder generation card entry slot in, according to fixation There are five prefabricated bracket bolt holes on the right side of plate (2), with five M8*20 support bracket bolts that buffer board (8) and fixed plate (2) are real Now connect；

It installs shoulder guard (16): will buffering according to the arrangement of " M " shape by concertina type buffering steel column (14) of four prefabrications Sliding block (11) in plate (8) is connected with the sliding block (18) in shoulder guard (16), and hinged place is connected with 304 stainless steel bolts, complete At the installation of shoulder guard (16)；

Remaining guardrail is installed: next first steel base (13) and the second steel base (6) are put along label route, according to above-mentioned Step cycle installation.

Technical field

The present invention relates to Bridge guardrail technical field, the scalable cushion bumper shield of specially a kind of M shape suitable for bridge Column and its construction method.

Background technique

With the development of economy, more and more people select self-driving trip, association and come be traffic accident incidence year by year It is promoted.The death rate having a car accident on bridge is especially higher, in order to reduce the death rate of accident generation, needs on bridge both sides Protective fence is set.However existing protective fence anti-collision effect is poor, when Vehicular impact power is larger, not only will cause damage to vehicle It is bad, and often because not having control action to vehicle, make automotive run-off-road, and then influence the life security of driver.

Although there are many development and research that scholar throws oneself into road guard in recent years, because being limited by guardrail itself With the requirement of measure cost, can really apply in real road protection but seldom, and service life itself and processing technology Defect lead to the application difficult of guardrail.

Bridge or highway protecting plate currently on the market generallys use galvanized steel plain sheet, and crash structure is relatively simple, does not have Standby certain ego resilience ability, although resulting problem is to bear the impact of a constant load because structure by Serious destroy can not achieve self-recovery, greatly increase the cost of later maintenance.

Summary of the invention

The purpose of the present invention is to provide a kind of scalable cushion bumper guardrail of M shape suitable for bridge and its construction parties Method effectively reduces the injury hit to guardrail and vehicle, has good ego resilience ability, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the invention discloses a kind of scalable cushion bumper guardrails of the M shape suitable for bridge, including The fixed plate, buffer board and the shoulder guard that are fixed on by bridge is equipped between the fixed plate and buffer board and is attached thereto The first compressed spring of at least one；At least one concertina type buffering being attached thereto is equipped between the buffer board and shoulder guard Steel column.

It is from top to bottom equipped with the first, second, third, fourth concertina type between the buffer board and shoulder guard and buffers steel Column, four concertina type buffering steel columns combine to form " M " shape structure.

The outer wall of the buffer board is equipped with upper and lower two the first elongated grooves, the bottom of first groove Equipped with first sliding groove, be equipped with the first sliding block of matched sliding in the first sliding groove, the both ends of the surface of first sliding block with The second compressed spring being attached thereto is equipped between the both ends inner wall of first sliding groove；The inner sidewall of the shoulder guard is equipped with The second elongated groove, the bottom of second groove are equipped with second sliding slot, are equipped in the second sliding slot matched Two the second sliding blocks of sliding, between two second sliding blocks and between the second sliding block and second sliding slot both ends inner wall Third compressed spring there are three setting at equal intervals；Described first, the 4th concertina type buffers the of one end of steel column respectively with upper and lower One sliding block is hinged, and the other end is hinged with the second sliding block of upper and lower respectively；The one of second, third concertina type buffering steel column The pin shaft held and be set on the rectangle bloom between the first groove is hinged, and the other end is cut with scissors with the second sliding block of upper and lower respectively It connects.

The concertina type buffering steel column includes brace steel post, hollow steel column, and the inside of the hollow steel column is equipped with and support The third sliding slot that steel column is slidably matched, is equipped with the 4th compressed spring in the sliding slot, one end of the compressed spring and described the The end face inner wall of three sliding slots connects, and the other end is connected with the end face of the brace steel post.

The lateral wall of the shoulder guard is equipped with high elasticity abrasion-proof rubber layer.

The outer surface of the high elasticity abrasion-proof rubber layer is coated with the reflective waterproof coating layer of traffic.

It further include support rod, the bottom end of the support rod is fixed on by bridge, above the inner wall of top and the fixed plate Connection.

The middle part of the support rod is equipped with the reinforcing bar being attached thereto, and described one end for strengthening bar and the support rod connect It connects, is connect below the other end and the inner wall of the fixed plate.

The bottom of the fixed plate and support rod passes through the first steel base respectively, the second steel base is fixed on by bridge, institute It states and is respectively equipped with the first mounting hole, the second mounting hole on the first, second steel base, the buffer board is placed in first steel bottom The top of seat.

A kind of construction method of the scalable cushion bumper guardrail of M shape suitable for bridge, includes the following steps:

(a) the predetermined installation site of the first steel base and the second steel base adjustment notch: is marked installation with pulverized limestone in bridge floor Route；

(b) pedestal positions: putting two steel bases along four parallel lines of label, makes the one the second peaces of two steel bases Dress hole is placed exactly on lime route, and the first steel base and the second steel base is made be in same mounting height, is pacified to the one the second Dress squeezes into 304 stainless steel expansion bolts in hole, completes the preliminary fixation of steel base；

(c) according to the stayed bayonet seat of the first steel base tentatively fixed, fixed plate mounting plate: is mounted directly insertion Second steel base completes the preliminary fixation of fixed plate, then fixes support rod with M8*25 support bracket bolt, enables from second Steel base supports fixed plate, plays further invigoration effect to fixed plate, M8* is finally used between support rod and fixed plate 25 support bracket bolts connect a reinforcing bar, complete the final fixation of fixed plate；

(d) buffer board is installed: by buffer board according to the first steel base there are sliding slot elder generation card entry slot in, stayed according on the right side of fixed plate There are five prefabricated bracket bolt holes, buffer board and fixed plate are realized with five M8*20 support bracket bolts and connected；

(e) install shoulder guard: buffering steel column by the concertina type of four prefabrications will be in buffer board according to the arrangement of " M " shape Sliding block is connected with the sliding block in shoulder guard, and hinged place is connected with 304 stainless steel bolts, completes the installation of shoulder guard；

(f) remaining guardrail is installed: next first steel base and the second steel base are put along label route, according to above-mentioned steps Cycle installation；

Compared with prior art, the beneficial effects of the present invention are:

When device is by external impact, high elasticity abrasion-proof rubber layer carries out energy consumption decompression for the first time to being impacted, and can play Good effect of easing stress；It hits and continues compression set, four concertina type buffering steel columns pass through the compression of internal 4th compressed spring Reduction to a certain extent is carried out to impact force, while four concertina type buffering steel columns push inside buffer board and shoulder guard First, second sliding block is slided, and the movement of the first, second sliding block makes the second compressed spring and third in the first, second sliding slot Compressed spring is compressed or is stretched, and carries out second of energy consumption decompression to hitting, energy consumption effect is significant, and can be to the speed of shock It plays and largely controls and reduce；Last time is carried out to shock finally by five the first compressed springs in fixed plate Energy consumption；When external force gradually decreases, make to fill by the movement of the second compressed spring, third compressed spring and the first, second sliding block Slow recovery is set, the life security of vehicle protection driver can not only be effectively controlled, and the use longevity of guardrail can be extended Life, the maintenance cost for reducing later period device, have a good application prospect；Effectively reduce the wound hit to guardrail and vehicle Evil has good ego resilience ability；Construction method is easily operated, and orderly rationally, positioning construction is efficient and convenient, construction effect Rate is high, and time saving and energy saving, construction intensity is low, convenient later maintenance, can be adjusted flexibly in work progress, is conducive to reduce construction error, Improve construction quality.

Detailed description of the invention

Fig. 1 is overall schematic of the invention；

Fig. 2 is the schematic diagram that concertina type of the invention buffers steel column specific configuration；

In figure: 1, first compressed spring, 2, fixed plate, 3, rectangle bloom, 4, support rod, 5, reinforcing bar, the 6, second steel base, 7, Second mounting hole, 8, buffer board, 9, first sliding groove, the 10, second compressed spring, the 11, first sliding block, the 12, first mounting hole, 13, First steel base, 14, concertina type buffering steel column, the 141, first concertina type buffer steel column, and the 142, second concertina type buffers steel column, 143, third concertina type buffering steel column, the 144, the 4th concertina type buffering steel column, 15, third compressed spring, 16, shoulder guard, 17, Second sliding slot, the 18, second sliding block, 19, the reflective water-repellent paint of traffic, 20, high elasticity abrasion-proof rubber layer, the 21, the 4th compressed spring, 22, third sliding slot, 23, hollow steel column, 24, brace steel post.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The scalable cushion bumper guardrail of a kind of M shape suitable for bridge referring to FIG. 1-2, including being fixed on by bridge Fixed plate 2, buffer board 8 and shoulder guard 16 are equipped at least one being attached thereto between the fixed plate 2 and buffer board 8 First compressed spring 1；At least one concertina type buffering steel column being attached thereto is equipped between the buffer board 8 and shoulder guard 16 14, this case is preferred, is set on the right side of the fixed plate 2 there are five the first compressed spring 1 five M8*20 support bracket bolts and buffer board 8 are connected, and make its buffering effect more preferably, can be carried out to impact force by five the first compressed springs 1 in fixed plate 2 certain The energy consumption of degree, another layer of energy consumption can also be carried out to impact force by buffering steel column 14 by concertina type.

The first, second, third, fourth concertina type is from top to bottom equipped between the buffer board 8 and shoulder guard 16 to buffer Steel column 141,142,143,144, four concertina type buffering combinations of steel column 14 form " M " shape structure, are stretched by being arranged four Miniature buffers steel column, promotes its effect to impact force energy consumption.

The outer wall of the buffer board 8 is equipped with upper and lower two the first elongated grooves, the bottom of first groove Equipped with first sliding groove 9, the first sliding block 11 equipped with matched sliding in the first sliding groove 9, the two of first sliding block 11 The second compressed spring 10 being attached thereto is equipped between end face and the both ends inner wall of first sliding groove 9；The shoulder guard 16 Inner sidewall is equipped with the second elongated groove, and the bottom of second groove is equipped with second sliding slot 17, the second sliding slot Two the second sliding blocks 18 of matched sliding are equipped in 17, between two second sliding blocks 18 and the second sliding block 18 and institute State third compressed spring 15 there are three setting at equal intervals between 17 both ends inner wall of second sliding slot；Described first, the 4th concertina type buffering One end of steel column is hinged with the first sliding block 11 of upper and lower respectively, and the other end is hinged with the second sliding block 18 of upper and lower respectively； Pin shaft on one end of second, third concertina type buffering steel column and the rectangle bloom 3 being set between the first groove is hinged, The other end is hinged with the second sliding block 18 of upper and lower respectively, hits and continues compression set, and four concertina type buffering steel columns 14 pass through The compression of internal 4th compressed spring 21 carries out reduction to a certain extent to impact force, while four concertina types buffer steel column 14 Buffer board 8 and first, second sliding block of the inside of shoulder guard 16 is pushed to be slided, the movement of the first, second sliding block makes first, The second compressed spring 10 and third compressed spring 15 are compressed or are stretched in second sliding slot, are subtracted to hitting consume energy for the second time Pressure, energy consumption effect is significant, and can play to the speed of shock and largely control and reduce；When external force gradually decreases, pass through The movement of second compressed spring 10, third compressed spring 15 and the first, second sliding block restores device slowly, passes through the skill of this case Art scheme, can not only effectively control the life security of vehicle protection driver, and can extend the service life of guardrail, drop The maintenance cost of low later period device, has a good application prospect；The injury hit to guardrail and vehicle is effectively reduced, is had Good ego resilience ability

Concertina type buffering steel column 14 includes brace steel post 24, hollow steel column 23, the inside of the hollow steel column 23 be equipped with The third sliding slot 22 that brace steel post 24 is slidably matched, the sliding slot 22 is interior to be equipped with the 4th compressed spring 21, the compressed spring 21 One end connect with the end face inner wall of the third sliding slot 22, the other end is connected with the end face of the brace steel post 24, the 4th pressure Contracting spring 21 and the end face of brace steel post 24 are connected by the tap bolt that internal diameter is 8mm, and concertina type buffers steel column 14 and passes through the Four compressed springs 21 can carry out abatement to a certain extent to impact force.

The lateral wall of the shoulder guard 16 is equipped with high elasticity abrasion-proof rubber layer 20, the high elasticity abrasion-proof rubber layer 20 It is made, be can be good to be impacted carry out first by natural rubber, environmental protection soft PVC salinization material and antioxidant SP Secondary energy consumption decompression.

The outer surface of the high elasticity abrasion-proof rubber layer 20 is coated with the reflective waterproof coating layer 19 of traffic, enables to drive When the vehicle crew more eye-catching position, especially night for observing bridge edge, avoid occurring as far as possible unnecessary Traffic accident.

It further include support rod 4, the bottom end of the support rod 4 is fixed on by bridge, on the inner wall of top and the fixed plate 2 Side's connection, 4 steel-made support bars of preferred support rod are supported fixed plate 2 by the way that support rod 4 is arranged, enable its anticollision Enough more preferably.

The middle part of the support rod 4 is equipped with the reinforcing bar 5 being attached thereto, described one end for strengthening bar 5 and the support rod 4 It is connect below connection, the other end and the inner wall of the fixed plate 2, bar 5 is strengthened by setting and further strengthens the branch to fixed plate 2 Support, reinforcing its anticollision can.

The fixed plate 2 and bottom of support rod 4 passes through the first steel base 13 respectively, the second steel base 6 is fixed on bridge Side is respectively equipped with the first mounting hole 12, the second mounting hole 7 on first, second steel base, and the buffer board 8 is placed in institute Fixed plate 2 is fixed on bridge by the first mounting hole 12 by 304 stainless steel setscrews by the top for stating the first steel base 13 Support rod 4 is fixed on by bridge by side by 304 stainless steel setscrews by the second mounting hole 7, and the present embodiment is preferred, the One, the second steel base is in same mounting height.

The construction method of the scalable cushion bumper guardrail of a kind of M shape suitable for bridge, it is characterised in that including walking as follows It is rapid:

A adjustment notch: the predetermined installation site of the first steel base 13 and the second steel base 6 is marked installation with pulverized limestone in bridge floor Route；

The positioning of b pedestal: the first steel base 13 and the second steel base 6 are put along four parallel lines of label, makes two steel bottoms The first mounting hole 12 and the second mounting hole 7 of seat are placed exactly on lime route, are made at the first steel base 13 and the second steel base 6 In same mounting height, 304 stainless steel expansion bolts are squeezed into 12 second mounting hole 7 of the first mounting hole, complete steel base It is preliminary fixed；

C mounting plate 2: according to the stayed bayonet seat of the first steel base 13 tentatively fixed, fixed plate 2 is mounted directly slotting Enter the second steel base 6, complete the preliminary fixation of fixed plate 2, then fix support rod 4 with M8*25 support bracket bolt, enable from Second steel base 6 supports fixed plate 2, plays further invigoration effect to fixed plate 2, finally support rod and fixed plate it Between with M8*25 support bracket bolt connect a reinforcing bar 5, complete fixed plate 2 final fixation；

D installs buffer board 8: by buffer board 8 according to the first steel base 13 there are sliding slot elder generation card entry slot in, it is right according to fixed plate 2 There are five prefabricated bracket bolt holes for side, realize buffer board 8 and fixed plate 2 with five M8*20 support bracket bolts and connect；

E installs shoulder guard 16: buffering steel column 14 by the concertina type of four prefabrications and arranges according to " M " shape by buffer board 8 Interior sliding block 11 is connected with the sliding block 18 in shoulder guard 16, and hinged place is connected with 304 stainless steel bolts, completes shoulder guard 16 Installation；

F installs remaining guardrail: next first steel base 13 and the second steel base 6 is put along label route, according to above-mentioned step Rapid cycle installation；

Working principle: when device is by external impact, 20 pairs of high elasticity abrasion-proof rubber layer are impacted and carry out first time energy consumption Decompression, can play good effect of easing stress；It hits and continues compression set, four concertina type buffering steel columns 14 are pressed by inside the 4th The compression of contracting spring 21 carries out reduction to a certain extent to impact force, while four concertina type buffering steel columns 14 push buffering Plate 8 and 16 the first, second sliding block of inside of shoulder guard are slided, and the movement of the first, second sliding block makes in the first, second sliding slot Second compressed spring 10 and third compressed spring 15 are compressed or are stretched, and carry out second of energy consumption decompression, energy consumption effect to hitting Fruit is significant, and can play to the speed of shock and largely control and reduce；Finally by five first compressions in fixed plate 2 1 pair of spring hits the energy consumption for carrying out last time；When external force gradually decreases, bullet is compressed by the second compressed spring 10, third The movement of spring 15 and the first, second sliding block restores device slowly.

Construction method is easily operated, and orderly rationally, positioning construction, efficient and convenient, construction efficiency is high, time saving and energy saving, construction Intensity is low, convenient later maintenance, can be adjusted flexibly in work progress, is conducive to reduce construction error, improves construction quality.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.