CN113882296A

CN113882296A - Highway rail guard assembly quality

Info

Publication number: CN113882296A
Application number: CN202111175789.0A
Authority: CN
Inventors: 尚欢欢; 贾江涛; 王慧; 王枫; 刘文华; 李旭辉; 范俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-01-04
Anticipated expiration: 2041-10-09
Also published as: CN113882296B

Abstract

The invention relates to the technical field of guard rail assembly and discloses an assembly device for a highway guard rail, which comprises an assembly plate, wherein an operation hole is formed in the assembly plate in a penetrating mode, a limiting gap for a protective guard rail plate to penetrate through is formed in one end of the assembly plate, the limiting gap can be opened, the other end of the assembly plate is connected with a push plate through a connecting rod, a jack matched with the connecting rod is formed in the push plate in a penetrating mode, and the connecting rod is in sliding insertion with the jack. According to the invention, by utilizing the lever principle, the protective sideboard can be bent only by applying smaller force to the push plate, after the protective sideboard is bent to a required position, the protective sideboard is installed on the upright post through the operation hole by using the bolt, the pushing and pressing mode of the protective sideboard can be completed by only one person, the speed is higher, the labor is saved, and the assembly efficiency can be greatly improved.

Description

Highway rail guard assembly quality

Technical Field

The invention relates to the technical field of guard rail assembly, in particular to an assembly device for a highway guard rail.

Background

The highway guardrail is composed of a plurality of corrugated steel guardrail plates and a stand column used for fixing the corrugated steel guardrail plates, wherein the lower half part of the stand column is fixedly inserted into the ground, and the upper half part of the stand column is fixedly connected between the two corrugated steel guardrail plates. When a vehicle collides with the guard rail, the corrugated steel guard rail plate has good collision resistance and an energy absorption function, so that the vehicle is not easy to be damaged by collision, and meanwhile, the vehicle and drivers and passengers can be well protected, so that the highway guard rail has a vital function on driving safety.

When the protective fence is assembled, the upright posts are required to be firmly driven into the ground by means of the pile driving device, the distance between the upright posts needs to be accurately measured, then the protective fence plates are assembled between the two upright posts one by one, specifically, one end of each protective fence plate is fixedly connected with one upright post by using a bolt or is in bolt connection with the previous protective fence plate, then the other end of each protective fence plate is fixedly connected with the other upright post by using a bolt, and as the finished protective fence plates are straight plate-shaped, the protective fence plates can be assembled on the upright posts very easily for straight roads, but the expressway has many curved roads, and the straight protective fence plates need to be bent to the curved road part to be assembled.

Among the prior art, to the assembly work of the guard fence of bend part, still usually based on artifical bare-handed operation completely, after the one end fixed mounting with the guard fence, many people directly bulldoze the other end of guard fence with the hand to the direction of stand jointly again, later use the bolt with the other end and the stand fixed connection of guard fence, because the guard fence is mostly steel and make, have stronger hardness, in current bulldoze the mode, waste time and energy more, assembly efficiency is very low.

Disclosure of Invention

The invention aims to provide an assembly device for a highway protective fence, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a highway rail guard assembly quality, includes the assembly plate, it is provided with the handle hole to run through on the assembly plate, the one end of assembly plate is provided with the spacing clearance that supplies the protection breast board to pass, spacing clearance can be opened, the other end of assembly plate is connected with the push pedal through the connecting rod, run through in the push pedal be provided with the jack of connecting rod looks adaptation, the connecting rod slides with the jack and pegs graft.

In the expressway protective fence assembling device, the assembling plate is arc-shaped.

According to the assembly device for the highway protective fence, the limiting gap is formed by the spacing between the limiting plate and the sliding plate, the limiting plate is arranged in the groove in the inner side face of the assembly plate, and the sliding plate is detachably clamped on the inner side of the limiting plate in a sliding mode.

Foretell highway rail guard assembly quality, the medial surface symmetry of limiting plate is provided with two spouts that the longitudinal section is "soil" font, the spout runs through a terminal surface of limiting plate, fixed mounting has two even boards, two on the slide even board slide joint with two spouts respectively.

According to the assembly device for the expressway protective fence, the groove is arc-shaped, and the limiting plate is matched with the groove in shape.

Foretell highway rail guard assembly quality, the one end of assembly plate is provided with the opening that is linked together with the recess, install the vertical axis in the opening, the vertical axis rotates with the limiting plate and pegs graft.

In the assembly device for the highway protective fence, the connecting rod is fixedly connected with the assembly plate and is in movable sealing insertion with the insertion hole, and the sealing plug is detachably inserted into the insertion hole.

Foretell highway rail guard assembly quality, push pedal and connecting rod are the arc design, the lateral surface fixed mounting of assembly plate has the backplate, the transversal arc of personally submitting of backplate, and the curved internal diameter is not less than the diameter of stand.

According to the assembly device for the highway protective fence, the longitudinal width of the operation hole is larger than the width of the protective fence plate, the bearing plate is arranged in the operation hole in a sliding mode through the sliding rod, and the inner side face of the bearing plate extends to the outside of the operation hole.

According to the assembly device for the expressway protective fence, the inner side surface of the bearing plate inclines outwards along the inserting direction of the protective fence.

In the technical scheme, the free end of the protective fence plate can penetrate through the limit gap by setting the limit gap, the protective fence plate is limited, then the assembly plate is forced to extrude the protective fence plate in the direction of the upright post, the length of the force application part of the assembly plate can be prolonged by setting the push plate, the protective fence plate can be bent by applying smaller force to the push plate by utilizing the lever principle, and the protective fence plate can be installed on the upright post through the operation hole by using a bolt after being bent to the required position.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural view of a first view of a mounting device for a guard rail of a highway according to an embodiment of the present invention;

fig. 2 is a structural diagram of a second view of the assembling device for the guard rail of the expressway according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a third perspective view of a mounting device for a guard rail of a highway according to an embodiment of the present invention;

FIG. 4 is an enlarged view of part A according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of a limiting plate and a sliding plate according to an embodiment of the invention;

FIG. 6 is a schematic structural diagram of a receiving plate according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a bearing plate according to an embodiment of the present invention.

Description of reference numerals:

1. assembling a plate; 2. a groove; 3. a limiting plate; 301. a chute; 4. a slide plate; 401. connecting plates; 5. an operation hole; 6. a slide bar; 7. a bearing plate; 701. a notch; 702. anti-slip ribs; 703. a through hole; 704. a ball bearing; 705. a movable groove; 706. a connecting frame; 707. a spring; 8. a connecting rod; 9. pushing the plate; 10. a sealing plug; 11. and (4) protecting the plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, an assembly device for a highway protective fence according to an embodiment of the present invention includes an assembly plate 1, wherein an operation hole 5 is formed through the assembly plate 1, a limiting gap through which a protective fence passes is formed at one end of the assembly plate 1, the limiting gap is openable, the other end of the assembly plate 1 is connected to a push plate 9 through a connecting rod 8, a jack matched with the connecting rod 8 is formed through the push plate 9, and the connecting rod 8 is inserted into the jack in a sliding manner.

Specifically, the assembling device for the highway protective guard provided in the embodiment is used for assembling the protective guard board in the curve area of the road or the curve area of the highway. In the present embodiment, "inner side" is a side close to the direction of the pillar, and "outer side" is a side away from the direction of the pillar. The assembling plate 1 is used for extruding the protective breast board to bend the protective breast board to one side of the upright post, the limiting gap is used for limiting the protective breast board and preventing the protective breast board from being separated from the assembling plate 1 in the extruding process, the limiting gap is openable, after the protective breast board is assembled, the assembling device can be separated from the protective breast board by opening the limiting gap, the operation hole 5 is arranged on the assembling plate 1 and penetrates through the inner side surface and the outer side surface of the assembling plate 1, the operation hole 5 is used for exposing the installation hole on the protective breast board, a bolt can conveniently penetrate through the installation hole and be installed on the upright post through the operation hole 5, the connecting rod 8 is arranged on one side of the assembling plate 1, which is far away from the limiting gap, and is used for being connected with the push plate 9, in order to improve the firmness of connection, the number of the connecting rods 8 is at least two, the number of the jacks on the push plate 9 is consistent with the number of the connecting rods 8, and the one-to-one, push pedal 9 are used for the manpower application of force to promote, and push pedal 9 can drive assembly plate 1 activity together, makes the protection breast board crooked to the direction of stand, and the setting of connecting rod 8 and push pedal 9 can prolong the length of 1 application of force part of assembly plate to dynamics when can reducing the operation, and connecting rod 8 is pegged graft with the slip of jack and can change the total length of connecting rod 8 and push pedal 9 as required at any time, thereby conveniently adjusts the application of force size. The theory of operation of highway rail guard assembly quality that this embodiment provided does, at first peg graft the push pedal 9 on the connecting rod 8 that corresponds, accomplish this assembly quality's equipment, then pass spacing clearance with the free end of protection breast board, until the mounting hole on the protection breast board exposes in operation hole 5, then to the lateral surface of push pedal 9 inboard application of force, push pedal 9 drives assembly plate 1 through connecting rod 8 and rotates to the inboard jointly, assembly plate 1 extrudees the protection breast board to the inboard, make the protection breast board skew to the inboard, until the mounting hole on the protection breast board removes the corresponding position on the stand, later in operation hole 5's position, insert the bolt in the mounting hole, make the free end and the stand fixed connection of protection breast board, later open spacing clearance, make assembly plate 1 and protection breast board break away from can. Among the prior art, still based on artifical bare-handed operation totally to the assembly work of the protection breast board of bend part, many people directly bulldoze the free end of protection breast board with the hand to the direction of stand jointly, make protection breast board crooked back and stand fixed connection, because protection breast board is mostly steel and make, have stronger hardness, in the current mode of bulldozing, waste time and energy more, assembly efficiency is very low. The main innovation point of the invention is that the lever principle can be applied to the assembling process by using the assembling device, thereby saving time and labor and improving the assembling efficiency compared with the prior art.

In the embodiment, the limit gap is arranged, the free end of the protective breast board can penetrate through the limit gap, the protective breast board is limited, the assembling board 1 is pressed to be extruded towards the direction of the stand column, the length of the force application part of the assembling board 1 can be prolonged by arranging the push plate 9, the protective breast board can be bent by applying smaller force to the push plate 9 by utilizing the lever principle, after the protective breast board is bent to a required position, the protective breast board can be installed on the stand column through the operating hole 5 by using a bolt, compared with the prior art, the push-press mode of the protective breast board can be completed by only one person by utilizing the lever principle, the speed is higher, the labor is saved, and the assembly efficiency can be greatly improved.

In this embodiment, assembly plate 1 is the arc, utilize the arc design of assembly plate 1, when making assembly plate 1 extrusion protection breast board, protection breast board flexible deformation, thereby can suitably prolong the length that protection breast board passed spacing clearance, make the coincidence length of protection breast board and assembly plate 1 increase, even the coincidence length of protection breast board and assembly plate 1 is longer, can not influence the bending of guard rail board yet, and increase the coincidence length of assembly plate 1 and protection breast board, stability when can improve assembly plate 1 and extrude protection breast board, make the difficult roll-off from spacing clearance of protection breast board.

In this embodiment, spacing clearance is formed by the interval between limiting plate 3 and the slide 4, and limiting plate 3 sets up in the recess 2 of 1 medial surface of assembly plate, and slide 4 detachably slip joint is in limiting plate 3's inboard. Through on the limiting plate 3 with 4 slip joint of slide, can form spacing clearance, the width in spacing clearance is the perpendicular distance between limiting plate 3 and the slide 4 promptly, and when following limiting plate 3 with slide 4 and roll-off, can realize opening in spacing clearance.

Further, in a preferred embodiment, the inner side surface of the position-limiting plate 3 is symmetrically provided with two sliding grooves 301 with a soil-shaped longitudinal section, the sliding grooves 301 penetrate through one end surface of the position-limiting plate 3, the sliding plate 4 is fixedly provided with two connecting plates 401, the two connecting plates 401 are respectively in sliding clamping connection with the two sliding grooves 301, and the two connecting plates 401 are part of the sliding plate 4. The sliding clamping of the connecting plate 401 and the sliding groove 301 can be realized by utilizing the sliding groove 301 with the soil-shaped longitudinal section, so that the sliding clamping of the limiting plate 3 and the sliding plate 4 is realized, and the limiting plate 3, the sliding plate 4 and the two connecting plates 401 jointly enclose a limiting gap. Through even in two boards 401 insert two spouts 301 respectively from the one end of limiting plate 3, can form spacing clearance, even board 401 from the one end roll-off of limiting plate 3 with two, can realize opening in spacing clearance.

By designing the longitudinal section of the chute 301 to be in a shape like the Chinese character 'tu', the contact area between the connecting plate 401 and the chute 301 can be increased, so that the stability of the connecting plate 401 in the chute 301 can be improved, the situation that the connecting plate 401 is touched when the protective fence is inserted into the limit gap, and the connecting plate 401 easily slides out of the chute 301 is avoided, once the connecting plate 401 slides out of the chute 301, the protective fence is separated from the assembling device, the connecting plate 401 needs to be installed into the chute 301 again, and the free end of the protective fence is inserted into the limit gap again; of course, the longitudinal section of the chute 301 is not limited to the "earth" shape, but may be a "Z" shape, an "M" shape, or the like, and may be configured to increase the contact surface between the link plate 401 and the chute 301, and further increase the resistance to the link plate 401 sliding out of the chute 301.

Further, the sliding chute 301 is arc-shaped, the end face of the connecting plate 401 located in the sliding chute 301 is linear, the width of the connecting plate 401 along the length direction of the sliding chute 301 is smaller than the length of the sliding chute 301, and the thickness of the connecting plate 401 located in the sliding chute 301 is smaller than the thickness of the sliding chute 301, so that the connecting plate 401 can slide in the sliding chute 301; when the protective fence is inserted into the limit gap, the protective fence is straight, if the force of the protective fence instantly touching the sliding plate 4 is too large in the inserting process, the sliding plate 4 has larger sliding power, the sliding plate 4 has the same movement trend as the inserting direction of the protective fence, and by utilizing the arc design of the sliding groove 301, when the sliding plate 4 is instantly touched by the protective fence, the inner wall of the sliding groove 301 with the arc design collides with the connecting plate 401 on the sliding plate 4, so that the connecting plate 401 can be prevented from being separated from the sliding groove 301; however, in order to separate the link plate 401 from the slide groove 301, the slide plate 4 needs to be continuously pulled from the outside, otherwise, the link plate 401 is difficult to smoothly separate from the slide groove 301 due to a short force.

In this embodiment, recess 2 is the arc, limiting plate 3's shape and recess 2 looks adaptation, the medial surface and the lateral surface that also is limiting plate 3 are the arc, make limiting plate 3 can be located recess 2 completely, and when being located recess 2 completely, limiting plate 3's medial surface and assembly plate 1's medial surface constitute a complete arcwall face, because limiting plate 3 locates to be located the root most of protection breast board free end, if when extruding protection breast board, limiting plate 3's medial surface protrusion in recess 2's outside, can make protection breast board receive limiting plate 3's roof pressure when the atress is crooked, and the crease breaks even damages.

In this embodiment, in order to save more labor when bending the guard rail plate and reduce the length and manufacturing cost of the assembly device, the overlapping length of the guard rail plate and the assembly plate 1 is less than half of the length of the guard rail plate.

And the coincidence length of protection breast board and assembly plate 1 is less than the half of protection breast board long can make the position of handling hole 5 more lean on the inboard than the position in spacing clearance for the free end of protection breast board need be crooked to have the radian after wearing out from spacing clearance, just can make the free end of protection breast board remove to the position of handling hole 5, because the hardness of protection breast board is higher, hardly make its bending at the installation stage, thereby difficult realization removes the free end of protection breast board to the position of handling hole 5.

In order to solve the technical problem, furthermore, one end of the assembling plate 1 is provided with an opening communicated with the groove 2, a vertical shaft is installed in the opening, and the vertical shaft is rotatably inserted into the limiting plate 3. The limiting plate 3 is connected with the vertical shaft in a rotating mode, the limiting plate 3 can be connected with the assembling plate 1 in a rotating mode, and therefore the angle between the limiting plate 3 and the assembling plate 1 can be flexibly adjusted.

When the free end of the guard fence is to be inserted into the limiting gap, the limiting plate 3 can be rotated at first to be located outside the groove 2, the free end of the guard fence can be freely selected according to the length of the free end penetrating out of the limiting gap due to the fact that the assembling plate 1 is not blocked, the guard fence is not required to be bent, after the free end of the guard fence accurately reaches the preset position of the operation hole 5, the assembling plate 1 is rotated to extrude the guard fence, and therefore through the design of the structure, the free end of the guard fence can be conveniently moved to the position of the operation hole 5, the guard fence can be inserted into the limiting gap to move more smoothly, and the technical problem can be effectively solved.

Moreover, the limiting plate 3 is connected with the assembling plate 1 in a rotating mode, so that the assembling device is suitable for being used in curves with more radian sizes, no matter how different the radians of the curves are, the protective fence plate can be correspondingly bent through the rotation of the limiting plate 3 and the assembling plate 1, and therefore the practicability of the assembling device can be greatly improved.

In order to achieve the above-described practical applicability of the assembling apparatus, the length of the operation hole 5 may be set as needed, and the length is not fixed.

In this embodiment, the connecting rod 8 is fixedly connected with the mounting plate 1, and is inserted into the jack in a dynamic sealing manner (the dynamic sealing insertion is in the prior art and is not described in detail), the sealing plug 10 is detachably inserted into the jack, and the jack can be sealed by the sealing plug 10. Through the dynamic seal grafting of connecting rod 8 with the jack to and can be with the sealed sealing plug 10 of jack seal, after inserting sealing plug 10 in the jack that corresponds, make the jack sealed, thereby make connecting rod 8 by spacing in the jack that corresponds, push pedal 9 can not slide with connecting rod 8 relatively promptly.

Through above-mentioned structure, when promoting push pedal 9, can use sealing plug 10 sealed with each jack at first for connecting rod 8 is spacing, can prevent that push pedal 9 from breaking away from with connecting rod 8 at the in-process that promotes, improves operation security and stability.

Further, the push plate 9 and the connecting rod 8 are both in arc-shaped design, the outer side surface of the assembling plate 1 is fixedly provided with a guard plate 11, the cross section of the guard plate 11 is arc-shaped, and the inner diameter of the arc-shaped is not smaller than the diameter of the upright column. Through the arc design of push pedal 9, can be after crooked to the assigned position with the protection breast board, make push pedal 9 be located the position that is closer with next stand, can realize moving push pedal 9 to the inboard of next stand more conveniently, and make backplate 11 card on this stand, prevent that relative slip from appearing in push pedal 9 and stand, this moment under the effect of the protection breast board self elasticity of crooked, can make push pedal 9 and assembly plate 1 fix between two stands, thereby can liberate both hands this moment, need not reuse manpower and exert pressure to push pedal 9, later use the bolt with protect the breast board install on the stand can, because when the protection breast board is crooked to final condition, its elasticity is the biggest, and not only can save physical power greatly through this kind of operation, also can reduce operating personnel's number, only need alone can accomplish assembly work.

And the arc design of connecting rod 8 for push pedal 9 can realize relative slip with connecting rod 8, through the relative position of adjustment push pedal 9 and connecting rod 8, can realize the adjustment to backplate 11 position, make backplate 11 block smoothly to the stand on, the arc design of backplate 11 can improve the area of contact with the stand, increase frictional force between the two, after blocking, through installing sealing plug 10 in the jack, can accomplish the location to backplate 11, and then realize the location of push pedal 9.

In the embodiment, the longitudinal width of the operation hole 5 is larger than the width of the guard fence, so that the top and the bottom of the guard fence at the position of the operation hole 5 are completely exposed in the operation hole 5, a bolt can be conveniently used for connecting the guard fence with the upright post, the operation hole 5 is internally provided with the bearing plate 7 through the sliding rod 6, the two sliding rods 6 are respectively arranged at the upper position and the lower position of the bearing plate 7, the inner side surface of the bearing plate 7 extends to the outside of the operation hole 5, so that the inner side surface of the bearing plate 7 can be directly abutted against and extrude the end part of the guard fence, the end part of the guard fence can be closer to the upright post, because the installation hole is arranged at the end part of the guard fence, the end part of the guard fence can be closer to the upright post, bolt installation can be more conveniently and firmly completed, when the end part of the guard fence is abutted against the bearing plate 7, the position between the guard fence and the bearing plate needs to be adjusted, the bearing plate 7 is staggered with the mounting holes at the end part of the guard fence plate so as to facilitate the mounting of the following bolts.

Accept board 7 and slide bar 6 sliding connection's effect and lie in, because when crooked with the guardrail board, the tip of guardrail board can be along with the continuous bending and the rearward movement of guardrail board, if accept board 7 and be fixed state, can make the guardrail board tip and accept and take place relative movement between the board 7, not only can cause the wearing and tearing of guardrail board tip, can make the mounting hole on the guardrail board tip moreover receive board 7 and block, make unable bolt installation, can cause the guardrail board even and accept breaking away from of board 7. And utilize the sliding connection of accepting board 7 and slide bar 6 to make the frictional force between the medial surface of accepting board 7 and the guardrail board tip far away than the sliding resistance who accepts between board 7 and the slide bar 6, when the tip of guardrail board removed, can take and accept board 7 and slide along slide bar 6, and can not produce relative slip between the tip of accepting board 7 and guardrail board to the wearing and tearing of guardrail board tip can not appear to and the condition that the mounting hole on the guardrail board tip was blocked by accepting board 7.

Furthermore, the inner side surface of the bearing plate 7 inclines outwards along the insertion direction of the guard rail plate, and the inclination angle of the inner side surface of the bearing plate 7 is utilized to increase the resistance between the end part of the guard rail plate and the bearing plate 7 when the guard rail plate is pushed, pressed and bent to deform, so that the relative sliding between the end part of the guard rail plate and the bearing plate 7 is ensured to be difficult to occur.

Still further, a notch 701 is formed in the inner side surface of the bearing plate 7, the notch 701 penetrates through the left side surface and the right side surface of the bearing plate 7, and the longitudinal length of the notch 701 is larger than the width of the guard fence plate, so that the guard fence plate can penetrate through the notch 701. Utilize notch 701 can carry out longitudinal direction's spacing to the tip of guard rail board, prevent that the condition that the free end of guard rail board appears and accepts board 7 to break away from when the guard rail board is crooked, improve the security of during operation.

Further, the longitudinal side surface of the notch 701 is inclined in the same manner as the inner surface of the socket plate 7, and the longitudinal side surface of the notch 701 protrudes from the operation hole 5, so that the longitudinal side surface of the notch 701 still maintains the function of the inner surface of the socket plate 7. And the longitudinal side of the notch 701 is provided with the anti-slip convex ridges 702, and the anti-slip convex ridges 702 can further improve the friction resistance between the end part of the guard fence and the bearing plate 7, so that when the guard fence is bent and deformed, the end part of the guard fence and the bearing plate 7 are more difficult to slide relatively, and the bearing plate 7 is ensured to slide along the two slide rods 6.

Further, in order to enable the adapting plate 7 to slide smoothly along the two sliding rods 6, the operation hole 5 includes an outer hole and an inner hole, the outer hole is located outside the inner hole, the top and the bottom of the outer hole extend to the central position thereof respectively, so that the top and the bottom of the outer side of the adapting plate 7 can abut against the inner side of the outer hole, and four corners of the outer side of the adapting plate 7 are all provided with a movable groove 705, a connecting frame 706 is connected in the movable groove 705 in a sliding manner through a spring 707, a ball 704 is placed in an inner cavity of the connecting frame 706, the diameter of the ball 704 is greater than the length of the inner cavity of the connecting frame 706, so that the ball 704 protrudes out of the connecting frame 706, under the action of the spring 707, the ball 704 extrudes the inner side of the outer hole and is connected with the inner side of the outer hole in a rolling manner, the area of the longitudinal section of a through hole 703 through which the two sliding rods 6 pass through on the adapting plate 7 is greater than the area of the longitudinal section of the sliding rod 6, so that the slide bar 6 has a distance to move inside and outside in the through hole 703.

Through the structure, when the guard fence is bent, the end part of the guard fence extrudes the bearing plate 7 outwards, the bearing plate 7 moves outwards, the spring 707 deforms to the limit state under pressure, at the moment, each ball 704 abuts against the inner side surface of the outer side hole, the outer side surface of the bearing plate 7 does not contact with the inner side surface of the outer side hole, at the moment, the inner side of the outer surface of the sliding rod 6 does not contact with the inner wall of the through hole 703, the sliding rod 6 cannot be extruded outwards through the through hole 703, friction between the sliding rod 6 and the through hole 703 can be greatly reduced, and the rolling connection of the ball 704 and the inner side surface of the outer side hole is utilized, the friction between the bearing plate 7 and the inner side surface of the outer side hole can be greatly reduced, so that the sliding resistance of the bearing plate 7 is greatly reduced, and the bearing plate 7 can smoothly slide along the two sliding rods 6.

Moreover, the through hole 703 cannot extrude the slide bar 6 to the outside by the abutting of the ball 704 and the inner side surface of the outer side hole, so that the slide bar 6 cannot bear the extrusion force of the end part of the guardrail plate to the slide bar 6 in the bending process of the guardrail plate, and the use safety and the service life of the slide bar 6 can be better protected.

Meanwhile, when the guard fence is not pressed, the bearing plate 7 is not pressed by the guard fence, at this time, the spring 707 is still in a compressed state, and each through hole 703 on the bearing plate 7 can be pressed with the corresponding slide bar 6 by the elastic force of the spring 707, so that the bearing plate 7 can be prevented from shaking.

The two sliding rods 6, the outer side surface of the bearing plate 7 and the inner side surface of the outer side hole are all arc-shaped, so that the extrusion force applied to the bearing plate 7 is more consistent with the sliding direction of the bearing plate 7, and the sliding of the bearing plate 7 is smoother.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a highway rail guard assembly quality, includes assembly plate (1), its characterized in that: run through on assembly plate (1) and be provided with handle hole (5), the one end of assembly plate (1) is provided with the spacing clearance that supplies the protection breast board to pass, spacing clearance can be opened, the other end of assembly plate (1) is connected with push pedal (9) through connecting rod (8), run through on push pedal (9) and be provided with the jack with connecting rod (8) looks adaptation, connecting rod (8) are pegged graft with the jack slip.

2. The assembly device of a highway protective fence according to claim 1, wherein: the assembling plate (1) is arc-shaped.

3. The assembly device of a highway protective fence according to claim 2, wherein: spacing clearance is formed by the interval between limiting plate (3) and slide (4), limiting plate (3) set up in recess (2) of assembly plate (1) medial surface, slide (4) detachably slip joint is in the inboard of limiting plate (3).

4. A highway guard rail assembly device according to claim 3, wherein: the medial surface symmetry of limiting plate (3) is provided with two spouts (301) that the longitudinal section is "soil" font, a terminal surface of limiting plate (3) is run through in spout (301), slide (4) are gone up fixed mounting and are had two even boards (401), two even board (401) slide joint with two spouts (301) respectively.

5. A highway guard rail assembly device according to claim 3, wherein: the groove (2) is arc-shaped, and the shape of the limiting plate (3) is matched with that of the groove (2).

6. A freeway crash barrier assembly apparatus according to claim 5, wherein: the one end of pilot plate (1) is provided with the opening that is linked together with recess (2), install the vertical axis in the opening, the vertical axis rotates with limiting plate (3) and pegs graft.

7. The assembly device of a highway protective fence according to claim 1, wherein: the connecting rod (8) is fixedly connected with the assembling plate (1) and is in movable sealing insertion with the insertion hole, and the insertion hole is detachably inserted with a sealing plug (10).

8. The assembly device of a highway protective fence according to claim 1, wherein: push pedal (9) and connecting rod (8) are the arc design, the lateral surface fixed mounting of assembly plate (1) has backplate (11), the arc is personally submitted in the transversal of backplate (11), and curved inner diameter is not less than the diameter of stand.

9. The assembly device of a highway protective fence according to claim 1, wherein: the longitudinal width of the operation hole (5) is larger than the width of the guard fence plate, a bearing plate (7) is arranged in the operation hole (5) in a sliding mode through a sliding rod (6), and the inner side face of the bearing plate (7) extends to the outside of the operation hole (5).

10. An assembly device for a highway protective fence according to claim 9 wherein: the inner side surface of the bearing plate (7) inclines outwards along the inserting direction of the guard fence plate.