CN213508202U - Drawing type movable guardrail for central separation belt of highway - Google Patents
Drawing type movable guardrail for central separation belt of highway Download PDFInfo
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- CN213508202U CN213508202U CN202022215145.7U CN202022215145U CN213508202U CN 213508202 U CN213508202 U CN 213508202U CN 202022215145 U CN202022215145 U CN 202022215145U CN 213508202 U CN213508202 U CN 213508202U
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Abstract
The utility model relates to a pull type movable guardrail for a central separation belt of a highway, which comprises a gear assembly, a support frame, two beam groups and a plurality of upright posts; a plurality of stand columns are arranged at the opening of the central separation belt at intervals, and the lower end of each stand column is inserted into a respective embedded sleeve; the two beam groups are symmetrically distributed at two ends of the upright post at the middle position of the opening of the central separation belt, one end of each beam group is inserted on the corresponding upright post, and the other end of each beam group extends to the central green belt, so that the two beam groups and all the upright posts form a guardrail structure together; the concrete guardrails at two ends of the opening of the central separation belt are respectively provided with a gear assembly and a support frame, each gear assembly provides power for the sliding of each beam group, and the support frame provides support for the sliding of the beam groups. The guardrail integrates the upright post plug installation and the crossbeam pull installation, and the upright post plug installation enables the protective capability of the guardrail to be stronger; the crossbeam cartridge all has the connection with each stand in the sleeve of each stand, increases the protective capacities, easy to assemble and dismantlement.
Description
Technical Field
The utility model belongs to the technical field of highway traffic safety facility, specifically a pull formula highway central authorities separate area movable guardrail.
Background
The opening of the central separation belt of the expressway can meet the reversing driving requirements of rescue and maintenance vehicles, and a movable guardrail is required to be arranged at the opening of the central separation belt to avoid other vehicles from randomly passing through. The movable guardrail has protection capability and moving convenience, can ensure that a vehicle impacting the movable guardrail cannot pass through the guardrail to collide with the vehicle on a lane beside the movable guardrail when the opening is closed, and can meet the requirements of rescue and maintenance when the opening is opened.
The movable guardrail that the concrete guardrail monomer that both ends have pre-buried connecting plate constitutes though possess better protective capacities, but concrete guardrail monomer weight is big, removes the convenience poor, and movable guardrail is difficult to accomodate, will occupy road resource after the opening is opened.
The patent with application number 201420325133.1 discloses a highway stress tube anticollision movable guardrail, and this movable guardrail is pull by pulling fixing device, and the below of movable guardrail unit has the pulley, increases movable guardrail's flexibility, but protective capacities is not strong, and movable guardrail after opening moreover can occupy the road resource.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a pull type highway central separation zone movable guardrail.
The utility model provides a technical scheme that technical problem adopted as follows:
a pull type movable guardrail for a central separation belt of a highway is characterized by comprising a gear assembly, a support frame, two cross beam groups and a plurality of upright posts;
a plurality of stand columns are arranged at the opening of the central separation belt at intervals, and the lower end of each stand column is inserted into a respective embedded sleeve; the two beam groups are symmetrically distributed at two ends of the upright post at the middle position of the opening of the central separation belt, one end of each beam group is inserted on the corresponding upright post, and the other end of each beam group extends to the central green belt, so that the two beam groups and all the upright posts form a guardrail structure together;
the concrete guardrails at two ends of the opening of the central separation belt are respectively provided with a gear assembly and a support frame, each gear assembly provides power for the sliding of each beam group, and the support frame provides support for the sliding of the beam groups.
The beam group comprises a pulley assembly, at least one sawtooth beam layer and at least one smooth beam layer; each sawtooth cross beam layer comprises two sawtooth cross beams which are arranged side by side, each sawtooth cross beam is formed by sequentially connecting a plurality of sawtooth cross beam units, and a rack is arranged on the outer wall of each sawtooth cross beam unit along the axial direction; each smooth surface beam layer comprises two parallel smooth surface beams, and each smooth surface beam is formed by sequentially connecting a plurality of smooth surface beam units; two crossbeams of each crossbeam layer are respectively positioned at two sides of the upright post; the sawtooth cross beam and the smooth cross beam on the same side of the upright post are fixedly connected with one end of the concrete guardrail through long screws to form a whole;
a pulley assembly is arranged at one end, close to the central green belt, of the cross beam layer positioned at the lowest part of the upright post; the pulley component comprises a U-shaped connecting plate, a threaded pipe and a universal wheel; two ends of the U-shaped connecting plate are fixedly connected with the two cross beams; the screwed pipe is vertically fixed in the bottom of U type connecting plate, and the link of universal wheel and the lower extreme threaded connection of screwed pipe.
The stand is equipped with a plurality of sleeve layers along the direction of height, and every sleeve layer contains two side by side sleeves, and two sleeves are located the both sides of stand respectively, and telescopic lower part is equipped with the fluting that the lower tip that is used for connecting the screw passes through.
The gear assembly comprises an I-shaped frame, a gear and a handle; two ends of the upper part of the I-shaped frame are fixedly connected with two sides of the concrete guardrail respectively, two ends of the lower part of the I-shaped frame are rotatably provided with gears respectively, and the two gears are meshed with racks on respective sawtooth cross beams; a handle is fixed on the end surface of each gear.
The support frame is composed of a guide rail plate and a plurality of U-shaped pieces, two end lugs of the U-shaped pieces are fixedly connected with the concrete guardrail, and openings of the U-shaped pieces are upward; the guide rail plate is arranged in the middle of all the U-shaped parts, and a sliding groove is arranged on the guide rail plate.
The installation range of the upright columns is larger than the opening length of the central division belt specified in the standard specification, the upright columns at two ends of the opening of the central division belt are densely distributed, and the upright columns in the middle of the opening of the central division belt are sparsely distributed.
Compared with the prior art, the utility model has the advantages and positive effect be:
1. the utility model designs a movable guardrail integrating upright post plug installation and crossbeam pull installation, and the upright post plug installation makes the protective capability of the guardrail stronger; the cross beam is inserted into the sleeve of each stand column and connected with each stand column, so that the protection capability is improved, and the mounting and the dismounting are convenient; the crossbeam after opening removes to central greenbelt in, does not occupy road resource, consequently the utility model discloses stronger protective capacities and better accomodating nature have.
2. The utility model discloses a gear assembly provides power for the pull of crossbeam group, and movable guardrail opens the handle that the in-process only needed on the running gear, just can drive each crossbeam and remove, has reduced the operation degree of difficulty that movable guardrail opened, has saved the human input, makes this movable guardrail have higher removal convenience.
3. The utility model discloses a support frame and loose pulley assembly provide the support for the crossbeam, prevent that the crossbeam from being located the one end of central greenbelt unsettled, lead to the crossbeam because the action of gravity and slope, the pulley set up the pull that makes things convenient for the crossbeam more, use manpower sparingly.
4. The cross beams of the utility model are all made of round steel pipes, which can absorb more energy in vehicle collision, so that the utility model has stronger protection capability; through the nut of adjusting gear both sides, can make the gear all the time with the rack toothing on the sawtooth crossbeam, can reduce construction error to this application practical application's influence.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the beam set and the vertical column of the present invention;
fig. 3 is a schematic structural view of the sawtooth beam of the present invention;
fig. 4 is a schematic structural view of the pulley assembly of the present invention;
fig. 5 is a schematic structural diagram of the stand column of the present invention;
fig. 6 is a schematic structural view of the gear assembly of the present invention;
fig. 7 is a side view of the present invention after installation with a concrete barrier;
fig. 8 is a schematic structural view of the support frame of the present invention;
FIG. 9 is a front view of the movable guard rail of the present invention installed at the opening of the central dividing strip;
in the figure: 1. a column; 2. pre-burying a sleeve; 3. a concrete guardrail; 4. a beam set; 5. a gear assembly; 6. a support frame; 11. a sleeve; 101. grooving; 41. a sawtooth cross beam; 42. a smooth surface beam; 43. a U-shaped connecting plate; 44. a threaded pipe; 45. a universal wheel; 46. a long screw; 401. a rack; 51. an I-shaped frame; 52. a gear; 53. a handle; 61. a guide rail plate; 62. and a U-shaped part.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the present invention.
The utility model provides a pull type movable guardrail (for short, see figures 1-9) for a central separation belt of a highway, which comprises a gear assembly, a support frame, two beam groups 4 and a plurality of upright posts 1;
the multiple upright columns 1 are arranged at the opening of the central separation belt at intervals, the lower end of each upright column 1 is inserted into a respective embedded sleeve 2, the embedded sleeves 2 are embedded underground, and the depth of the upright columns 1 inserted into the embedded sleeves 2 is 1/4-1/3 of the height of the upright columns 1;
the two beam groups 4 are symmetrically distributed at two ends of the upright post 1 at the middle position of the opening of the central separation belt, one end of each beam group is inserted into the upright post 1 at the middle position of the opening of the central separation belt, and the other end of each beam group extends to the central green belt (when the device is used, the concrete guardrails of the central green belt at the end part of the opening of the central separation belt are removed, so that the port of the central green belt is opened, and the concrete guardrails at two sides of the central green belt are reserved to provide mounting platforms for the support frames 6), so that the two beam groups 4 and all the upright posts 1 form a guardrail structure together;
install gear assembly 5 and support frame 6 on the concrete barrier 3 at central separation area opening both ends respectively, every gear assembly 5 provides power for the slip of crossbeam group 4 separately, and support frame 6 provides the support for the slip of crossbeam group 4, prevents that each crossbeam of crossbeam group 4 from because the action of gravity slope, ensures that crossbeam group 4 slides smoothly.
The beam group 4 comprises a pulley assembly, at least one sawtooth beam layer (one in this embodiment) and at least one smooth beam layer (two in this embodiment); each sawtooth cross beam layer comprises two sawtooth cross beams 41 which are arranged side by side, each sawtooth cross beam is formed by sequentially connecting a plurality of sawtooth cross beam units, the tail end of the front sawtooth cross beam unit is connected with the head end of the rear sawtooth cross beam unit through a connecting screw and a connecting pipe, the connecting pipe is inserted into the two adjacent sawtooth cross beam units, a rack 401 is arranged on the side surface of the outer wall of each sawtooth cross beam unit along the axial direction, the tooth tip of the rack 401 faces upwards, and the rack and a gear can be meshed in the vertical direction; each smooth surface beam layer comprises two parallel smooth surface beams 42, each smooth surface beam is formed by sequentially connecting a plurality of smooth surface beam units, the tail end of the front smooth surface beam unit is connected with the head end of the rear smooth surface beam unit through a connecting screw and a connecting pipe, and the connecting pipe is inserted in the two adjacent smooth surface beam units; the two crossbeams of each crossbeam layer are respectively positioned at the left side and the right side of the upright post 1; the sawtooth crossbeam 41 and the plain noodles crossbeam 42 that stand 1 was same one side are close to the one end of concrete guardrail and link firmly through long screw 46 and form wholly, and long screw 46 vertically runs through sawtooth crossbeam 41 and plain noodles crossbeam 42 to through bolt locking, realize stand 1 with the sawtooth crossbeam 41 and the plain noodles crossbeam 42 synchronous motion of one side, make things convenient for the pull, and the mounting means is simple.
A pulley assembly is arranged at one end, close to the central green belt, of the cross beam layer positioned at the lowest layer; each pulley assembly comprises a U-shaped connecting plate 43, a threaded pipe 44 and a universal wheel 45; the U-shaped connecting plate 43 is positioned between the two cross beams, and two ends of the U-shaped connecting plate are fixedly connected with the two cross beams; the vertical bottom of fixing at U type connecting plate 43 of screwed pipe 44, the lower extreme threaded connection of the link of universal wheel 45 and screwed pipe 44 can adjust the degree of depth that the universal wheel 45 link inserted in screwed pipe 44, and then adjusts the height of universal wheel 45, guarantees that universal wheel 45 can slide on the guide rail board of support frame 6, makes things convenient for the pull crossbeam.
The upright post 1 is provided with a plurality of sleeve layers along the height direction, and the number of the sleeve layers is equal to the sum of the sawtooth cross beam layer and the smooth surface cross beam layer; each sleeve layer comprises two side-by-side sleeves 11, the two side-by-side sleeves 11 are respectively positioned on two sides of the upright post 1, the axial direction of each sleeve 11 is along the length direction of the guardrail, the lower part of each sleeve 11 is provided with a slot 101 for the lower end part of a connecting screw to pass through, and the width of each slot 101 is larger than the diameter of a nut on the connecting screw; the crossbeams are inserted in the respective sleeves 11, the upper end parts of the connecting screws on the crossbeams are not contacted with the inner walls of the sleeves 11, and the lower end parts of the connecting screws are positioned in the slots 101, so that the end parts of the connecting screws are prevented from damaging the inner walls of the sleeves 11, and the crossbeams are ensured to smoothly slide in the sleeves 11; the inner diameter of the sleeve 11 is larger than the outer diameter of the cross beam, the connecting screw is inserted on the cross beam unit, the lower end of the connecting screw is positioned in the groove, and the outer wall of the lower end of the cross beam unit is in contact with the inner wall of the lower part of the sleeve, so that the sleeve can provide a certain supporting force for the cross beam in the moving process of the cross beam.
The gear assembly 5 comprises an i-shaped frame 51, a gear 52 and a handle 53; two ends of the upper part of the I-shaped frame 51 are fixedly connected with two sides of the concrete guardrail 3 respectively, two ends of the lower part of the I-shaped frame 51 are rotatably provided with gears 52 through bearings respectively, the two gears 52 are meshed with racks 401 on respective sawtooth cross beams 41, the gears 52 are not interfered with the smooth surface cross beam 42 adjacent to the upper part, and two sides of the gears 52 are limited through nuts; a handle 53 is fixed on the end face of each gear 52, and the handle 53 is held by hand and the gears 52 are rotated, so that the gears 52 drive the respective saw-tooth cross beams 41 to slide, and further the cross beams are pulled out or pushed into the sleeve 11 of the upright post 1.
The support frame 6 is composed of a guide rail plate 61 and a plurality of U-shaped pieces 62, two end lugs of the U-shaped pieces 62 are fixedly connected with the concrete guardrail 3, and the openings of the U-shaped pieces 62 are upward; the guide rail plate 61 is arranged in the middle of all the U-shaped members 62, and a sliding chute (not shown in the figure) is arranged on the guide rail plate 61 and is used as a sliding rail of the universal wheel 45; in the process that the beam group 4 is pulled away from the upright post 1, the universal wheels 45 slide along the guide rail plates 61, so that the situation that one end of the beam group 4, which is far away from the opening of the central separation belt, is suspended can be prevented, each beam is kept horizontal, and the beam group 4 is ensured to be smoothly pulled.
The section of the upright post 1 in the width direction is I-shaped, and compared with a common cylindrical upright post, the protective capability is stronger.
The installation scope of the upright post 1 is larger than the opening length of the central separation band specified in the standard specification, the upright posts 1 at the two ends of the opening of the central separation band are densely distributed (as shown in fig. 9), the upright posts 1 at the middle position of the opening of the central separation band are sparsely distributed, namely, the upright posts 1 are densely distributed in the transition area between the movable guardrail and the concrete guardrails at the two ends, the firmness of the movable guardrail is increased, and the movable guardrail is prevented from being damaged by collision.
Sawtooth crossbeam and plain noodles crossbeam all adopt circular steel pipe to make, can absorb more energy in the vehicle collision, make this application have stronger protective capacities.
The utility model discloses a theory of operation and work flow are:
inserting each upright post 1 into each embedded sleeve 2, wherein a cross beam group 4 is positioned in a central green belt at an initial position, and one end, far away from a pulley assembly, of each cross beam group is inserted into sleeves 11 of 1-2 upright posts 1 adjacent to a concrete guardrail 3; holding the handle 53 by hand and rotating the gear 52, so that the gear 52 drives the respective sawtooth cross beam 41 to slide, the universal wheel 45 slides on the guide rail plate of the support frame 6, so that each cross beam sequentially passes through the sleeve 11 of each upright post 1, and finally, inserting one end of the cross beam, which is far away from the pulley assembly, into the sleeve 11 of the upright post 1 positioned in the middle of the opening of the central separation belt, and fixing the cross beam by screws so as to finish the installation of the whole movable guardrail;
the disassembly of the guardrail can be realized by the reverse operation of the installation process of the movable guardrail, each cross beam is moved to the central green belt, all the upright columns 1 within the length range of the opening of the central separation belt specified in the standard specification are only required to be pulled out at the moment, namely 1-2 upright columns 1 close to the concrete guardrail 3 are not required to be pulled out, and each cross beam is supported.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (6)
1. A pull type movable guardrail for a central separation belt of a highway is characterized by comprising a gear assembly, a support frame, two cross beam groups and a plurality of upright posts;
a plurality of stand columns are arranged at the opening of the central separation belt at intervals, and the lower end of each stand column is inserted into a respective embedded sleeve; the two beam groups are symmetrically distributed at two ends of the upright post at the middle position of the opening of the central separation belt, one end of each beam group is inserted on the corresponding upright post, and the other end of each beam group extends to the central green belt, so that the two beam groups and all the upright posts form a guardrail structure together;
the concrete guardrails at two ends of the opening of the central separation belt are respectively provided with a gear assembly and a support frame, each gear assembly provides power for the sliding of each beam group, and the support frame provides support for the sliding of the beam groups.
2. The pull type highway central divider movable guardrail of claim 1 wherein the beam set comprises a pulley assembly, at least one serrated beam layer and at least one smooth beam layer; each sawtooth cross beam layer comprises two sawtooth cross beams which are arranged side by side, each sawtooth cross beam is formed by sequentially connecting a plurality of sawtooth cross beam units, and a rack is arranged on the outer wall of each sawtooth cross beam unit along the axial direction; each smooth surface beam layer comprises two parallel smooth surface beams, and each smooth surface beam is formed by sequentially connecting a plurality of smooth surface beam units; the two crossbeams of each crossbeam layer are respectively positioned at the two sides of the upright post; the sawtooth cross beam and the smooth cross beam on the same side of the upright post are fixedly connected with one end of the concrete guardrail through long screws to form a whole;
a pulley assembly is arranged at one end of each beam layer positioned at the lower part of the upright post, which is close to the central green belt; the pulley component comprises a U-shaped connecting plate, a threaded pipe and a universal wheel; two ends of the U-shaped connecting plate are fixedly connected with the two cross beams; the screwed pipe is vertically fixed in the bottom of U type connecting plate, and the link of universal wheel and the lower extreme threaded connection of screwed pipe.
3. The movable guardrail of a pull-out highway central divider according to claim 1, wherein the upright post is provided with a plurality of sleeve layers along the height direction, each sleeve layer comprises two sleeves which are arranged side by side, the two sleeves are respectively arranged at two sides of the upright post, and the lower part of each sleeve is provided with a slot for the passing of the lower end part of a connecting screw.
4. The pull type highway central divider movable guardrail of claim 1 wherein the gear assembly comprises an I-shaped frame, a gear and a handle; two ends of the upper part of the I-shaped frame are fixedly connected with two sides of the concrete guardrail respectively, two ends of the lower part of the I-shaped frame are rotatably provided with gears respectively, and the two gears are meshed with racks on respective sawtooth cross beams; a handle is fixed on the end surface of each gear.
5. The movable guardrail of a pull-type highway central separation zone as claimed in claim 1, wherein the support frame is composed of a guide rail plate and a plurality of U-shaped pieces, two end lugs of the plurality of U-shaped pieces are fixedly connected with the concrete guardrail, and openings of the U-shaped pieces are upward; the guide rail plate is arranged in the middle of all the U-shaped parts, and a sliding groove is arranged on the guide rail plate.
6. The movable guardrail of a drawing type highway central separator according to claim 1, wherein the installation range of the upright posts is larger than the length of the opening of the central separator specified in the standard specification, the upright posts at two ends of the opening of the central separator are densely distributed, and the upright posts at the middle position of the opening of the central separator are sparsely distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215145.7U CN213508202U (en) | 2020-10-09 | 2020-10-09 | Drawing type movable guardrail for central separation belt of highway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215145.7U CN213508202U (en) | 2020-10-09 | 2020-10-09 | Drawing type movable guardrail for central separation belt of highway |
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| CN213508202U true CN213508202U (en) | 2021-06-22 |
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| CN202022215145.7U Active CN213508202U (en) | 2020-10-09 | 2020-10-09 | Drawing type movable guardrail for central separation belt of highway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095521A (en) * | 2020-10-09 | 2020-12-18 | 河北工业大学 | Drawing type movable guardrail for central separation belt of highway |
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- 2020-10-09 CN CN202022215145.7U patent/CN213508202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095521A (en) * | 2020-10-09 | 2020-12-18 | 河北工业大学 | Drawing type movable guardrail for central separation belt of highway |
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