CN219710146U - Box-shaped guardrail - Google Patents

Abstract

The utility model provides a box-shaped guardrail, comprising; a supporting part, which is box-shaped, is supported on the road surface and stores the counter weight inside; the guide rods are parallel to the road surface and are arranged in pairs, and are symmetrically arranged on two sides of the supporting part along the extending direction of the road respectively; wherein, a plurality of supporting parts and a plurality of pairs of guide rods are arranged; the plurality of guide rods are connected to form a box-shaped guardrail. The box-shaped guardrail disclosed by the utility model reduces the damage to the road surface on the basis of meeting the protection grade requirement, and avoids the subsequent repair operation to the road surface; meanwhile, the device has the technical effects of saving the transportation space, being flexible to assemble and saving the cost.

Description

Box-shaped guardrail

Technical Field

The utility model relates to the technical field of road construction, in particular to a box-shaped guardrail.

Background

The reconstruction and expansion engineering, maintenance construction and the like of the highway are usually carried out under the condition of no traffic interruption. When a construction area occupies a traffic lane, a passing vehicle is usually required to forcedly decelerate and change lanes in order to facilitate construction, and slowly travel through the construction section at a low speed. In this section of road, traffic accidents often occur due to uncontrolled vehicles or collisions of passing vehicles with persons or equipment in the construction area.

Traffic signs and markings of a construction area are active protection facilities for safety protection, and are used for preventing accidents, and isolation facilities are the last barriers for separating operators of the construction area from traffic flow, and if vehicles collide or pass through the isolation facilities when accidents occur, life threat is directly caused to the operators of the construction area, so that the anti-collision performance of the operators is considered when the isolation facilities are arranged. The construction zone isolation barrier device should have the following characteristics: 1. isolation; 2. crashworthiness; 3. orientation; 4. recyclability; 5. high cost performance and the like.

At present, isolation facilities such as traffic cones, anti-collision barrels or isolation piers are usually placed outside a construction area to isolate the construction area from the passing vehicles, but the isolation facilities basically have no safety protection capability, cannot effectively protect personnel or equipment in the construction area, and have larger occupied area and higher transportation cost; the corrugated plate guardrails are adopted outside the construction areas, so that the guardrails are anchored on the road surface for increasing the protection performance, the road surface is damaged, the road surface is required to be repaired again after the construction is completed, if the road surface is not repaired, the service life of the road surface can be reduced due to the damage of the anchoring, and the probability of re-construction is increased. Therefore, there is an urgent need for a guard rail for protecting a construction area, which solves the above problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a box-shaped guardrail, which reduces the damage to the road surface and avoids the subsequent repair operation to the road surface on the basis of meeting the protection grade requirement; meanwhile, the device has the technical effects of saving the transportation space, being flexible to assemble and saving the cost.

The utility model provides a box-shaped guardrail, comprising; a supporting part, which is box-shaped, is supported on the road surface and stores the counter weight inside; the guide rods are parallel to the road surface and are arranged in pairs, and are symmetrically arranged on two sides of the supporting part along the extending direction of the road respectively; wherein, a plurality of supporting parts and a plurality of pairs of guide rods are arranged; the plurality of guide rods are connected to form a box-shaped guardrail.

Further, the supporting part comprises a bottom plate which is abutted with the road surface, a coaming which is vertically arranged around the bottom plate and a cover plate which is arranged on the upper end surface of the coaming; the cover plate is provided with a mounting flange vertical to the cover plate and is fixed with the upper end surface of the coaming; the bottom plate is provided with a fixed flange vertical to the bottom plate and is fixed with the lower end surface of the coaming; the fixing surface of the coaming along the extending direction of the highway is provided with a fixing hole for fixing the guide rod; the cover plate can be opened for placing the counterweight, and the bottom plate is pressed on the road surface through the weight of the counterweight.

Further, the guide rod is provided with a mounting hole, is matched with the fixing hole and is fixedly mounted on the supporting part.

Furthermore, the guide rods symmetrically arranged on the fixing surfaces on the two sides are connected and fixed through penetrating pins penetrating through the mounting holes and the fixing holes.

Further, the penetrating pin includes: the sleeve comprises a support sleeve and a fixing sleeve; the support sleeve is hollow, one end of the support sleeve is internally provided with internal threads, and the pipe orifice of the other end of the support sleeve is provided with an outwards folded check ring; the inside of the fixed sleeve is hollow, one end of the fixed sleeve is externally connected with external threads, and the pipe orifice of the other end of the fixed sleeve is provided with an outwards folded baffle ring; one end of the fixed pin is provided with a blocking cap, and the other end of the fixed pin is provided with a fixed external thread; the connecting external threads of the fixed sleeve are screwed into the internal threads of the supporting sleeve, and the supporting sleeve and the fixed sleeve are connected and fixed to form the sleeve; the external thread end of the fixing pin penetrates through the inside of the sleeve, and the fixing pin and the sleeve are fixed by screwing the nut into the fixing external thread.

Further, the inner thread end of the support sleeve penetrates into a fixing hole at one side until the retainer ring abuts against the fixing surface at the side; the connecting external thread of the fixed sleeve penetrates into the coaxially opposite fixed hole on the other side and is screwed into the internal thread of the supporting sleeve until the baffle ring abuts against the fixed surface on the other side, so that the sleeve is fixed on the supporting part; the fixing pin sequentially penetrates through the mounting hole of the guide rod on one side, the sleeve and the mounting hole of the guide rod on the other side, and the guide rod is connected with the supporting part.

Furthermore, the coaming is formed by relatively splicing and fixing two bending plates with trapezoidal cross sections; wherein, the trapezoid upper surface of the bending plate is provided with a fixed hole for fixedly installing the guide rod; and mounting lugs which are fixedly spliced are arranged on two sides of the trapezoidal lower surface of the bending plate.

Further, the bounding wall is the rectangle, includes: the two sides of the mounting guard board and the reinforcing guard board are oppositely arranged; wherein, the mounting guard plate is provided with a fixing hole for mounting the fixing guide rod; the reinforcing guard plates can be arranged between the mounting guard plates in a turnover mode, and reinforcing beams are arranged in the horizontal direction connecting the mounting guard plates at two sides.

Further, the cover plate and the bottom plate are arranged at the edge of the coaming in a turnover way on one side.

Further, the guide rod adopts one or more of waste rectangular pipes, corrugated plates, bent pipes, I-steel, channel steel, round pipe steel, rectangular pipe steel and deformed steel.

The supporting part and the counterweight are combined, the technical scheme of fixing the guide rod through the pin is adopted, anchoring-free fixation is realized, the protection level is ensured, meanwhile, the folding design is adopted, the transportation space is saved, the transportation cost is saved, the operation efficiency is improved, and the energy conservation and the environmental protection are realized.

It should be understood that the description in this summary is not intended to limit the critical or essential features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

Drawings

The above and other features, advantages and aspects of embodiments of the present utility model will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, wherein like or similar reference numerals denote like or similar elements, in which:

fig. 1 is a schematic view of the structure of the box-shaped guardrail of the present embodiment;

fig. 2 is a structural view of a supporting portion of the box-shaped guardrail of the present embodiment;

FIG. 3 is a first structural view of the bending plate of the box-shaped guardrail of the present embodiment;

fig. 4 is a second structural view of the bending plate of the box-shaped guardrail of the present embodiment;

FIG. 5 is a block diagram of a through pin of the box guardrail of the first embodiment;

FIG. 6 is a block diagram of a through pin of the box guard rail of the second embodiment;

FIG. 7 is a block diagram of a through pin of the box guardrail of the third embodiment;

FIG. 8 is a block diagram of a box-shaped guardrail of the fourth embodiment;

FIG. 9 is an internal structural view of the box-shaped guardrail of the fourth embodiment;

wherein, the correspondence between the reference numerals and the component names in fig. 1-9 is:

100 supporting parts, 110 bottom plates, 120 coamings, 121 bending plates, 122 fixing holes, 123 mounting lugs, 130 cover plates, 160 mounting guard plates, 161 supporting beams, 170 reinforcing guard plates and 171 reinforcing beams;

200 guide rods, 210 mounting holes;

300 through pins, 310 support sleeves, 311 retainer rings, 320 fixed sleeves, 321 baffle rings, 330 fixed pins, 331 baffle caps, 340 nuts, 350 capped nuts.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The present utility model provides a box-shaped guardrail, comprising, with reference to fig. 1; a supporting part 100 having a box shape, supported on a road surface and storing weights therein; the guide bars 200 are arranged in parallel with the road surface and in pairs, and are symmetrically installed at both sides of the support part 100 along the extending direction of the road, respectively; wherein a plurality of supporting parts 100 and a plurality of pairs of guide bars 200 are provided, and the plurality of guide bars 200 are connected to form a box-shaped guardrail. The box-shaped guardrail is mainly applied to highways and is used for guiding and protecting during temporary construction; the weight of the guardrail is increased by adopting the counterweight, and the friction force between the guardrail and the road surface is increased, so that the impact force is buffered; the guide rod with compliance is adopted for guiding, so that a certain protection function is realized, and a protection effect is achieved.

In this embodiment, as shown in fig. 2, the supporting part 100 includes a base plate 110 abutting against a road surface, a surrounding plate 120 vertically disposed around the base plate 110, and a cover plate 130 disposed on an upper end surface of the surrounding plate 120; wherein, the cover plate 130 is provided with a mounting flange vertical to the cover plate 130 and is fixed with the upper end surface of the coaming 120; the bottom plate 110 is provided with a fixed flange perpendicular to the bottom plate 110 and fixed with the lower end surface of the coaming 120; the fixing surface of the coaming 120 along the extending direction of the highway is provided with a fixing hole 122 for fixing the guide rod 200; the cover 130 may be opened for receiving a weight, and the bottom plate 110 is pressed against the road surface by the weight of the weight. The upper end face and the lower end face of the mounting flange, the fixing flange and the coaming 120 are respectively provided with even threaded holes, and the mounting flange, the fixing flange and the coaming are locked and fixed by matching nuts, so that the mounting flange, the fixing flange and the coaming are suitable for the working environment of on-site splicing and installation. A box body is formed by the bottom plate 110, the coaming 120 and the cover plate 130 and is used for placing the weights, so that the guide rod 200 is supported, meanwhile, the storage of the weights in the form of particles and small packages is adapted, and the outer package of the weights is omitted.

In this embodiment, the guide bar 200 is provided with a mounting hole 210, and is fixedly mounted to the support portion 100 in cooperation with the fixing hole 122. The mounting holes 210 are directly arranged at two ends of the guide rod 200 and are matched and fixed with the fixing holes 122 to form guardrails in sequence; the mounting hole 210 may be formed in the middle of the guide bar 200, and is engaged with the fixing hole 122, the guide bar 200 is fixed to the support portion 100, and the ends of the adjacent guide bars 200 are connected to form a guardrail, and at this time, the ends of the adjacent guide bars 200 are spliced and connected by the connecting plate.

In this embodiment, the number of guide bars 200 and the number of support portions 100 are set according to the size of the construction area, and the guide bars 200 are sequentially attached to the support portions 100 to form an anchor-free box-shaped guardrail, thereby protecting the construction road.

In this embodiment, each of the components of the support part 100 and the guide bar 200 is fabricated using prefabricated members, and assembled on site at a construction site, so that transportation and use are facilitated.

In the above embodiments, the guide rod 200 is one or more of waste rectangular pipes, corrugated plates, bent pipes, i-steel, channel steel, round pipe steel, rectangular pipe steel and deformed steel, and is used for recycling the cost, and meanwhile, the guide rod is also used for obtaining materials locally in a construction site, so that the construction waste is reduced. The rectangular tube and the corrugated plate are made of corrugated plates which are removed from the permanent guardrails at the two sides of the road, so that raw materials are saved, and waste of materials is reduced.

In this embodiment, the counterweight 300 can be filled with weights visible anywhere in the construction site such as stones, sand, water, construction waste, and the like, and can be obtained locally to play a role of counterweight. The supporting part 100 is fixed on the road surface by adopting the weight of the counterweight, and the guardrail is fixed in an additional fixing mode, so that the road surface is protected from being damaged, the subsequent road surface repairing process is reduced, the overall operation efficiency is improved, and the real anchoring-free box-shaped guardrail is realized. Meanwhile, waste corrugated plates or rectangular tubes are selected as the guide rods 200, so that raw materials are saved, the protection level of the guardrail is guaranteed, the requirement of roads on the protection level of the guardrail is met, and the safety protection of a construction area is realized.

In actual use, according to the in-service behavior, if self gravity can't reach the fixed effect when, can assist to increase external resistance and fix, if set up the fixed plate in the bottom half, fix with the road surface through the ground round pin, perhaps adopt other structures to be fixed in the road surface, realize the guard action of guardrail.

[ example 1 ]

As shown in fig. 2, the supporting portion 100 includes a bottom plate 110 abutting against a road surface, a coaming 120 vertically disposed around the bottom plate 110, and a cover plate 130 disposed on an upper end surface of the coaming 120, and is spliced to form a box body with a hexagonal cross section, where the coaming 120 is formed by relatively splicing and fixing two bending plates 121 with trapezoidal cross sections; as shown in fig. 3, the trapezoid upper surface of the bending plate 121 is provided with a fixing hole 122 for fixing the guide bar 200; the two sides of the trapezoid lower surface of the bending plate 121 are provided with outwardly bent mounting lugs 123 which are fixedly spliced. The bending plates 121 can be waste corrugated plates, after the plates are righted, the bending plates 121 with trapezoid cross sections are bent, the two bending plates 121 are identical and oppositely arranged, and the two opposite bending plates 121 are fixedly connected through the mounting lugs 123 to form the coaming 120; the cover plate 130 and the bottom plate 110 are horizontally placed, the periphery is provided with vertical flanges, and the flanges wrap the end parts of the coaming 120 and are fixed through bolts respectively. The cover 130 has a detachable handle at the top for opening and closing the cover 130, which is convenient to operate.

In this embodiment, the connection between the support portion 100 and the guide bar 200 is as follows: the fixing is performed by penetrating the pin 300, which is specifically: the guide rods 200 symmetrically provided on both side fixing surfaces are fixedly connected by the penetrating pins 300 penetrating the mounting holes 210 and the fixing holes 122. The use of the through pin 300 facilitates field assembly.

In this embodiment, as shown in fig. 4, the penetrating pin 300 includes: a sleeve including a support sleeve 310 and a fixing sleeve 320; the support sleeve 310 is hollow, one end of the support sleeve is internally provided with internal threads, and the other end of the support sleeve is provided with an outwards folded check ring 311 at the pipe orifice; the inside of the fixed sleeve 320 is hollow, one end of the fixed sleeve is externally connected with external threads, and the other end of the fixed sleeve is provided with an outwards folded baffle ring 321 at the pipe orifice; a fixed pin 330, one end of which is provided with a blocking cap 331 and the other end of which is provided with a fixed external thread; wherein, the connecting external thread of the fixed sleeve 320 is screwed into the internal thread of the supporting sleeve 310, so as to connect and fix the supporting sleeve 310 and the fixed sleeve 320 to form a sleeve; the external thread end of the fixing pin 330 penetrates through the inside of the sleeve, and the fixing pin 330 is fixed with the sleeve by screwing the nut 340 into the fixing external thread.

When the guide bar 200 is fixed to the support 100 by using the through pin 300, the internally threaded end of the support sleeve 310 is inserted into the fixing hole 122 of the fixing surface on one side of the support 100, and the stop is stopped after the retainer ring 311 abuts against the fixing surface on the one side; then, the external connecting thread of the fixing sleeve 320 is threaded into the fixing hole 122 of the fixing surface on the other side of the supporting part 100, and after the external connecting thread is in contact with the internal thread end of the supporting sleeve 310 in the box, the external connecting thread is screwed into the internal thread of the supporting sleeve 310 until the stop ring 320 abuts against the fixing surface on the other side, so that the sleeve is fixed inside the supporting part 100; and then, after the fixing external screw thread end of the fixing pin 300 sequentially passes through the mounting hole 210 of the guide rod 200 on one side, the sleeve and the mounting hole 210 of the guide rod 200 on the other side, the nut 340 is screwed into the fixing external screw thread to fix, and the corresponding guide rod 200 is fixed on both sides of the supporting part 100, so that the mounting of the box guardrail is completed.

The penetrating design of the penetrating pin 300 firstly aims to quickly install the guide rod 200 and improve the installation efficiency; secondly, the protection capability of the supporting portion 100 is increased, and the security level is improved. In order to avoid the condition that the fixed pin cannot be inserted when the guide rod is installed next time after the guide rod is dismantled and the counterweight occupies the position of the original fixed pin under the condition that the guardrail of the box body is moved and the counterweight is not dumped, the sleeve is designed, so that a space for the fixed pin to enter and exit is reserved at the supporting part, and the overall operation efficiency is improved; the penetrating fixing pin also increases the stress of the sleeve and avoids the pressure damage of the counterweight to the sleeve.

In this embodiment, the coaming 120 adopts the oppositely arranged bending plates 121, and the bending plates 121 are designed to have a trapezoid horizontal section, so that the coaming is convenient to store, and in the transportation process, the bending plates 121 can be stacked together, so that the space is saved, and compared with the common box body, the coaming is transported, and a large amount of transportation cost is saved; the supporting part 100 adopts the form of spare part concatenation, through setting up the installation ear 123 at the board 121 of bending, sets up the flange on apron 130 and bottom plate 110, can splice the equipment on the scene, combines the use of running through pin 300, has improved the on-the-spot equipment speed, uses manpower sparingly, improves the operating efficiency. In practical use, the bending plate 121 may be designed into other shapes, as long as the bending plate can be stacked and stored, such as a semicircular arc bending plate as shown in fig. 5.

In this embodiment, the bending plates 121 of the cover plate 130 and the bottom plate 110 for mating and splicing have a hexagonal structure. Wherein, the fixed cover plate 130 can be turned over on one side of the fixed surface of a part of the bending plate 121, and the fixed bottom plate 110 can be turned over on the other side; or the cover plate 130 is turned over on one side of the fixing surface of one part of the bending plate 121, and the base plate 110 is turned over on one side of the fixing surface of the other part of the bending plate 121. When the cover plate 130 and the bottom plate 110 are placed on the same horizontal plane and the fixing surfaces of the bending plate 121 are placed on the same horizontal plane during storage, when the cover plate 130 and the bottom plate 110 are turned over by 90 degrees and are assembled by being abutted against the opposite bending plate 121, so that the assembly time of the cover plate 130 and the bottom plate 110 is saved, and the operation efficiency is improved.

[ example 2 ]

This embodiment differs from embodiment 1 in that: as shown in fig. 6, the through pin 300 is not fixed by a fixing pin, but is provided with an internal thread at the retainer ring 311 of the support sleeve 310, is provided with an internal thread at the stopper ring 321 of the fixing sleeve 320, and is bolted by a cap nut 350, thereby fixing the guide bar 200 to the support portion 100.

[ example 3 ]

This embodiment differs from embodiment 2 in that: as shown in fig. 7, in order to increase the strength of the penetrating pin 300 and avoid the damage of the hollow sleeve caused by the gravity of the weight, the sleeve may be solid, a first groove with internal threads is provided at the retainer ring 311 of the supporting sleeve 310, a second groove with internal threads is provided at the other end, the first groove is deeply matched with the length of the cap nut 350, and the depth of the second groove is matched with the length of the connecting external threads of the fixing sleeve 320; a third groove with internal threads is provided at the stop ring 321 of the stationary sleeve 320, the third groove being deep-fitting the length of the cap nut 350.

[ example 4 ]

As shown in fig. 8 and 9, the support part 100 includes a bottom plate 110, a shroud 120, and a cover plate 130; the coaming 120 is a rectangle formed by splicing a mounting guard plate 160 and a reinforcing guard plate 170 which are symmetrically arranged in pairs; wherein, the mounting guard 160 is provided with a fixing hole for mounting the fixing guide bar 200; the reinforcing guard plates 170 are arranged between the mounting guard plates 160 in a reversible manner, and reinforcing beams 171 are arranged in the horizontal direction connecting the two side mounting guard plates 160; wherein, the inside of the installation guard 160 is vertically provided with an installation beam 161, and both the installation beam 161 and the reinforcement beam 171 are used for the installation of the reinforcement guide bar 200. The entire shroud 120 may be laterally stretched to form a flat, registered receiver to allow the mounting of the mounting plate 160 and reinforcement plate 170 to be a roll-over.

In this embodiment, the cover plate 150 and the base plate 110 are flip-mounted to the edge of the shroud 120. The cover plate 150 may be provided with a handle hinged to one side thereof to be installed at the upper edge of the installation guard 160 according to necessity, for performing the overall opening and closing of the cover plate 150; as shown in fig. 9, the cover plate 150 may be provided as a double door rotatably installed at the upper edge of the reinforcement shield 170, respectively. One side of the bottom plate 110 is rotatably mounted on the lower edge of the mounting guard 160, and the other side is provided with a fixing flange which is fixedly mounted on the lower edge of the coaming 120 in a threaded manner. The cover plate 150 and the base plate 110 are both flip-flop folded.

In this embodiment, the guide bar 200 is provided at the middle thereof with a mounting hole 210 for mounting on the mounting plate 160, and is provided at both ends thereof with connection holes for connecting the adjacent guide bars 200 by bolting with the connection members.

In use, the folded mounting guard plate 160 and the reinforcing guard plate 170 are unfolded to form the rectangular coaming 120; after the bottom plate 110 is turned over to be propped against the opposite mounting guard plate 160, the bottom plate is screwed; the guide bar 200 is fixed in the fixing hole of the installation guard plate 160 by adopting a nut, and in order to increase the installation strength of the installation guard plate 160 to the guide bar 200, angle steel installation beams 161 are arranged inside the installation guard plate 160; reinforcing beams 171 connected with the guide bars 200 at both sides are installed at the outer side of the reinforcing guard plate 170, so that the strength of the reinforcing guard plate 160 and the installation stability of the guide bars 200 are increased; at this time, the cover 130 is opened, the weight is loaded into the supporting part 100, and the cover 130 is covered, thereby completing the installation of the case guard rail.

Through folding design, save transportation space, adopt the prefab simultaneously, improve installation effectiveness. The supporting portion 100 may be provided with various shapes, such as a polygonal shape like a rectangle, a circular shape, an oval shape, etc., and a space for placing the weight may be provided inside.

For easy transportation, the base plate 110, the coaming 120, the cover plate 130, the mounting guard plate 160, the reinforcing guard plate 170, the mounting beams 161, the reinforcing beams 171 and the guide rods 200 are prefabricated members, and are assembled when used in a construction site, and finally the guide rods 200 are fixed on the mounting beams 161 inside the mounting guard plate 160. The counterweight is placed in the assembled support 100 and covered with the cover plate 150 for protection.

In combination with the mounting manners of embodiments 1-3, the mounting manner of the penetrating pin can also be adopted in this embodiment, and the specific combination manners are all within the scope of this protection.

The box-shaped guardrail is adopted, the guardrail supporting part is fixed on the road surface through the self weight of the counterweight, the anchoring-free box-shaped guardrail in the true sense is realized, and the protection of a construction area is carried out on the basis of not damaging the road surface; the supporting part and the guard rail are manufactured by adopting rectangular pipes or corrugated plates made of steel materials, so that the protection level required by highway construction is realized; when the guardrail is impacted by force, the guardrail can move due to the anchoring-free characteristic, and the impact force is buffered, so that protection is realized; the counterweight on the construction site or the waste corrugated plate and the like are used for the second time, so that the material cost and the transportation cost are saved, and the energy conservation and the environmental protection are realized; the folding assembly mode is adopted, so that the transportation space is saved, and the transportation is convenient; the design of the penetrating pin is adopted, so that the on-site assembly flexibility is improved, and the operation efficiency is improved.

In the description of the present utility model, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A box-shaped guardrail, characterized by comprising;

a supporting part, which is box-shaped, is supported on the road surface and stores the counter weight inside;

the guide rods are parallel to the road surface and are arranged in pairs, and are symmetrically arranged on two sides of the supporting part along the extending direction of the road respectively; wherein,,

providing a plurality of the supporting parts and a plurality of pairs of the guide rods; and a plurality of guide rods are connected to form a box-shaped guardrail.

2. The box guardrail according to claim 1, characterized in that,

the supporting part comprises a bottom plate, a coaming and a cover plate, wherein the bottom plate is abutted with a highway pavement, the coaming is vertically arranged on the periphery of the bottom plate, and the cover plate is arranged on the upper end face of the coaming; wherein,,

the cover plate is provided with a mounting flange perpendicular to the cover plate and is fixed with the upper end face of the coaming;

the bottom plate is provided with a fixed flange perpendicular to the bottom plate and is fixed with the lower end surface of the coaming;

the fixing surface of the coaming along the extending direction of the highway is provided with a fixing hole for fixing the guide rod;

the cover plate can be opened for placing the counter weight, and the bottom plate is pressed on the road surface through the weight of the counter weight.

3. The box guardrail according to claim 2, characterized in that,

the guide rod is provided with a mounting hole, is matched with the fixing hole, and is fixedly mounted on the supporting part.

4. The box guardrail according to claim 3, characterized in that,

the guide rods symmetrically arranged on the two sides of the fixing surface are connected and fixed through penetrating pins penetrating through the mounting holes and the fixing holes.

5. The box guardrail according to claim 4, characterized in that,

the through pin includes:

the sleeve comprises a support sleeve and a fixing sleeve; the support sleeve is hollow, one end of the support sleeve is internally provided with internal threads, and the pipe orifice of the other end of the support sleeve is provided with an outwards folded check ring; the inside of the fixed sleeve is hollow, one end of the fixed sleeve is externally connected with external threads, and the pipe orifice of the other end of the fixed sleeve is provided with an outwards folded baffle ring;

one end of the fixed pin is provided with a blocking cap, and the other end of the fixed pin is provided with a fixed external thread; wherein,,

the connecting external thread of the fixed sleeve is screwed into the internal thread of the supporting sleeve, and the supporting sleeve and the fixed sleeve are connected and fixed to form the sleeve;

the external thread end of the fixing pin penetrates through the inside of the sleeve, and the fixing pin and the sleeve are fixed through screwing the nut into the fixing external thread.

6. The box guardrail according to claim 5, characterized in that,

the inner thread end of the support sleeve penetrates into the fixing hole on one side until the retainer ring abuts against the fixing surface on the side; the connecting external thread of the fixed sleeve penetrates into the fixing hole coaxially opposite to the other side and is screwed into the internal thread of the supporting sleeve until the baffle ring abuts against the fixing surface on the other side, so that the sleeve is fixed on the supporting part;

the fixing pin penetrates through the mounting hole of the guide rod on one side, the sleeve and the mounting hole of the guide rod on the other side in sequence, and the guide rod is connected with the supporting portion.

7. The box guardrail according to claim 3, characterized in that,

the coaming is formed by relatively splicing and fixing two bending plates with trapezoidal cross sections; wherein,,

the trapezoid upper surface of the bending plate is provided with the fixing hole for fixedly mounting the guide rod; and mounting lugs which are fixedly spliced are arranged on two sides of the trapezoidal lower surface of the bending plate.

8. The box guardrail according to claim 3, characterized in that,

the bounding wall is the rectangle, includes: the two sides of the mounting guard board and the reinforcing guard board are oppositely arranged; wherein,,

the mounting guard plate is provided with the fixing holes for mounting and fixing the guide rods;

the reinforcing guard plates can be arranged between the mounting guard plates in a turnover mode, and reinforcing beams are arranged in the horizontal direction of the mounting guard plates at the two connecting sides.

9. The box guardrail according to claim 8, characterized in that,

the cover plate and one side of the bottom plate are installed on the edge of the coaming in a turnover mode.

10. The box guardrail according to claim 1, characterized in that,

the guide rod adopts one or more of waste rectangular pipes, corrugated plates, bent pipes, I-steel, channel steel, round pipe steel, rectangular pipe steel and deformed steel.