CN209619826U - A kind of highway bridge protective fence - Google Patents

Abstract

The utility model discloses a kind of highway bridge protective fences, including upper frame, fence body and lower frame, the fence body includes roller, the middle part of the roller is inserted with column, side is provided with air bag main body before and after the middle part of the column, the air bag main body includes head and tail portion, intermediate narrow portion is provided between the head and tail portion, the head is fixed with the second link block close to one end of the inner wall of roller, and head is fixedly connected by the second link block with roller, the tail portion is fixed with the first link block close to one end of the outer wall of the first link block, the utility model is provided with roller and the air bag with intermediate narrow portion, when vehicle surprisingly touches this protective fence, roller is touched first, when vehicle continues to run, it is rotary state that roller is driven by vehicle, and intermediate narrow portion 223 is in bending state at this time, It successively compensates the amount of spin of roller, rolling friction occurs with vehicle when roller rotates, avoiding problems the scratches of vehicle.

Description

A kind of highway bridge protective fence

Technical field

The utility model relates to highway facilities technical field, specially a kind of highway bridge protective fence.

Background technique

Highway bridge guardrail refers to the guardrail being set on highway bridge.Its purpose is to prevent errant vehicle from running off bridge Outside, have the function of preventing vehicle from breaking through, under wear, cross bridge and beautification bridge construction；

But existing bridge guardrail has following defect:

1, when vehicle is unintentional to be contacted with protective fence, vehicle body is easy to produce damage；

2, when Vehicular impact is to protective fence, the cushion performance of protective fence is poor.

Utility model content

The purpose of this utility model is to provide a kind of highway bridge protective fences, it is intended to which improving existing protective fence cannot keep away Exempt from the scratch of vehicle and the problem of the cushion performance difference to vehicle.

The utility model is realized in this way:

A kind of highway bridge protective fence, including upper frame, fence body and lower frame, the fence body include roller, The middle part of the roller is provided with air bag main body, the air bag main body packet inserted with column, the middle part front and back side of the column Head and tail portion are included, intermediate narrow portion is provided between the head and tail portion, the head is solid close to one end of the inner wall of roller Surely there is the second link block, and head is fixedly connected by the second link block with roller, the tail portion is close to the outer of the first link block One end of wall is fixed with the first link block, and tail portion is mutually fixed by the first link block with column, the lower end welding of the column The upper end of the upper surface of lower frame, and column is provided with top plate, the top plate passes through the bottom surface of fastening bolt and upper frame, The lower thread of the fastening bolt is connected with fastening nut, and the upper surface of the upper frame is provided with green plant plantation box.

Further, the green rear wall for planting plantation box offers through-hole close to the position of lower section, and through-hole is leak Hole.

Further, the top plate is the extension of column, and column is made into integration with top plate.

Further, second link block is fixedly connected with roller by welding, and first link block is logical The mode for crossing welding is fixedly connected with column.

Further, the roller is that stainless steel is made with column.

Compared with prior art, the utility model has the beneficial effects that 1, the utility model is provided with roller and has Between the air bag of narrow portion touch roller first when vehicle surprisingly touches this protective fence, when vehicle continues to run, roller Being driven by vehicle is rotary state, and intermediate narrow portion 223 be in bending state at this time, successively compensates the amount of spin of roller, rolls Rolling friction occurs with vehicle when cylinder rotation, avoiding problems the scratches of vehicle；

2, the inside air bag being arranged also has head and tail portion with buffer function, when vehicle hits roller, gas The head of capsule main body is compressed with tail portion, and the position of roller shifts at this time, and this makes it possible to directly give vehicle one A cushion effect reduces wounding for vehicle.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the top view of the utility model fence body；

Fig. 3 is the utility model air bag main body schematic enlarged-scale view；

Fig. 4 is the green schematic diagram for planting plantation box of the utility model.

In figure: 1, upper frame；2, fence body；21, roller；22, air bag main body；221, head；222, tail portion；223, in Between narrow portion；23, column；231, top plate；24, the first link block；25, the second link block；3, lower frame；4, fastening bolt；5, tight Gu nut；6, through-hole；7, box is planted in green plant.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Referring to Fig.1 and shown in 2, a kind of highway bridge protective fence, including upper frame 1, fence body 2 and lower frame 3, guardrail Main body 2 includes roller 21, and roller 21 can relatively rotate with column 23, thus reduce the frictional force of car and protective fence, Inserted with column 23, roller 21 is that stainless steel is made with column 23 at the middle part of roller 21, and side is all provided with before and after the middle part of column 23 It is equipped with air bag main body 22,22 one side of air bag main body plays the role of buffering, on the other hand can connect column 23 and roller 21；

Referring to shown in Fig. 2 and 3, air bag main body 22 includes head 221 and tail portion 222, is set between head 221 and tail portion 222 It is equipped with intermediate narrow portion 223, head 221 and tail portion 222 and intermediate narrow portion 223 constitutes a complete air bag, 221 He of head Buffering is played the role of in tail portion 222, and intermediate narrow portion 223 is when roller 21 is rotated for compensating the torsional capacity of roller 21, head 221 are fixed with the second link block 25 close to one end of the inner wall of roller 21, and head 221 passes through the second link block 25 and roller 21 It is fixedly connected, the second link block 25 plays the role of connecting head 221 and roller 21, and tail portion 222 is close to the first link block 24 One end of outer wall is fixed with the first link block 24, and tail portion 222 is fixed by the first link block 24 and 23 phase of column, the first connection Block 24 plays the role of connecting column 23 and tail portion 222, and the second link block 25 is fixed with roller 21 by welding to be connected It connects, the first link block 24 is fixedly connected with column 23 by welding；

Shown in referring to Fig.1, the lower end of column 23 is welded on the upper surface of lower frame 3, and the upper end of column 23 is provided with top Plate 231, top plate 231 are used to increase the upper surface area of column 23, and top plate 231 is the extension of column 23, and column 23 and top Plate 231 is made into integration, and the top plate 231 and the intensity of column 23 being made into integration are bigger, and is not needed connector and carried out and this company It connects, top plate 231 passes through the bottom surface of fastening bolt 4 and upper frame 1, and the lower thread of fastening bolt 4 is connected with fastening nut 5；

Referring to Fig.1 and shown in 4, the upper surface of upper frame 1 is provided with green plant plantation box 7, can be whole inside green plant plantation box 7 Only green plant, the green rear wall for planting plantation box 7 offers through-hole 6 close to the position of lower section, and through-hole 6 is leakage hole, and leakage hole exists The green soil planted inside plantation box 7 can be drained when can not reabsorb moisture, guarantee the normal growth of green plant.

This protective fence: being mounted on the two sides of highway bridge by working principle, first when vehicle surprisingly touches this protective fence Roller 21 is first touched, when vehicle continues to run, it is rotary state that roller 21 is driven by vehicle, and intermediate narrow portion 223 at this time In bending state, successively compensate the amount of spin of roller 21, rolling friction occur with vehicle when roller 21 rotates, this it is avoided that The scratch of vehicle；

When vehicle hits roller 21, the head 221 of air bag main body 22 is compressed with tail portion 222, at this time roller 21 Position shifts, and this makes it possible to directly give vehicle one cushion effect, reduces wounding for vehicle；

Green plants is planted in the green inside for planting plantation box 7, can not only play beautiful effect can also purify air.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of highway bridge protective fence, including upper frame (1), fence body (2) and lower frame (3), it is characterised in that: described Fence body (2) includes roller (21), and the middle part of the roller (21) is inserted with column (23), before the middle part of the column (23) Rear side is provided with air bag main body (22), and the air bag main body (22) includes head (221) and tail portion (222), the head (221) it is provided between tail portion (222) intermediate narrow portion (223), the head (221) is close to one end of the inner wall of roller (21) It is fixed with the second link block (25), and head (221) are fixedly connected by the second link block (25) with roller (21), the tail portion (222) one end close to the outer wall of the first link block (24) is fixed with the first link block (24), and tail portion (222) connect by first It connects block (24) mutually to fix with column (23), the lower end of the column (23) is welded on the upper surface of lower frame (3), and column (23) Upper end be provided with top plate (231), the top plate (231) by the bottom surfaces of fastening bolt (4) and upper frame (1), it is described tightly The lower thread of fixing bolt (4) is connected with fastening nut (5), and the upper surface of the upper frame (1) is provided with green plant plantation box (7)。

2. a kind of highway bridge protective fence according to claim 1, which is characterized in that after green plant plantation box (7) Side wall offers through-hole (6) close to the position of lower section, and through-hole (6) is leakage hole.

3. a kind of highway bridge protective fence according to claim 1, which is characterized in that the top plate (231) is column (23) extension, and column (23) is made into integration with top plate (231).

4. a kind of highway bridge protective fence according to claim 1, which is characterized in that second link block (25) passes through The mode of welding is fixedly connected with roller (21), and first link block (24) is fixed with column (23) by welding to be connected It connects.

5. a kind of highway bridge protective fence according to claim 1, which is characterized in that the roller (21) and column (23) It is that stainless steel is made.