CN220847243U - Bridge height limiting device - Google Patents
Bridge height limiting device Download PDFInfo
- Publication number
- CN220847243U CN220847243U CN202322420368.0U CN202322420368U CN220847243U CN 220847243 U CN220847243 U CN 220847243U CN 202322420368 U CN202322420368 U CN 202322420368U CN 220847243 U CN220847243 U CN 220847243U
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- Prior art keywords
- limiting device
- support
- height limiting
- cross beam
- bridge
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- 230000017525 heat dissipation Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
Abstract
The utility model relates to the technical field of road and bridge devices, in particular to a bridge height limiting device; including two support columns, crossbeam and altitude mixture control unit, altitude mixture control unit includes two servo motor, two threaded rods and two ball screw nut are vice, every support column all includes support bottom prop and lifter, the top of support bottom prop is provided with the sliding tray, the inside slip of sliding tray is provided with the lifter, be provided with the crossbeam between the top of two lifters, every lifter all is hollow structure setting, when the altitude mixture control crossbeam is needed according to actual demand, start servo motor, drive the threaded rod and rotate, because ball screw nut is vice to dismantle with the interior bottom of lifter and be connected, thereby drive the lifter and slide in the inside of sliding tray, and then accomplish the regulation of the altitude mixture control of crossbeam, adopt above-mentioned structure, when adjusting the altitude mixture control crossbeam, degree of automation is higher, thereby reduce staff's working strength.
Description
Technical Field
The utility model relates to the technical field of road and bridge devices, in particular to a bridge height limiting device.
Background
The vehicle height limiting bars are usually arranged at the inlet and outlet of places where the height of the vehicles is required to be limited, and are designed and manufactured for limiting specific heights, so that the circulation efficiency and quality of the vehicles can be effectively improved, traffic accidents are avoided, but no anti-collision device is arranged on the existing height limiting device, when the vehicles are forced to collide with the height limiting device, the height limiting device and the vehicles are damaged, and property loss and personal safety hidden trouble are caused.
To solve the above problems, the prior published patent (CN 208668318U) discloses a bridge height limiting device, which comprises a support column and a cross beam, wherein the support column comprises a first support column and a second support column. The crossbeam erects between first pillar and second pillar, rotates on the crossbeam and is connected with many rather than vertically connecting rod, and the one end that the crossbeam was kept away from to the connecting rod is connected with crashproof section of thick bamboo, first pillar includes first branch and second branch, first branch wear to establish in the second branch and with second branch sliding connection, the second pillar includes third branch and fourth branch, third branch wear to establish in the fourth branch and with fourth branch sliding connection, the crossbeam erects between first branch and the third branch, is connected with the connecting rod through rotating on the crossbeam, is connected with crashproof section of thick bamboo on the connecting rod, and crashproof section of thick bamboo the height of the extreme is high-value, and crashproof section of thick bamboo has crashproof energy-absorbing effect good, the high characteristics of security. When the height of the passing vehicle exceeds the height limit value, the vehicle collides with the anti-collision cylinder on the cross beam, so that the loss of the cross beam and the vehicle and the injury of personnel can be reduced as much as possible.
However, in the practical use process of the existing bridge height limiting device, when the height of the cross beam needs to be adjusted, workers are required to manually adjust the bridge height limiting device, and the working strength is high.
Disclosure of utility model
The utility model aims to provide a bridge height limiting device, which aims to solve the technical problems that in the actual use process of the existing bridge height limiting device, when the height of a cross beam needs to be adjusted, a worker needs to manually adjust the height, and the working strength is high.
In order to achieve the above purpose, the utility model provides a bridge height limiting device, which comprises two support columns, a cross beam and a height adjusting unit, wherein the cross beam is arranged between the two support columns, a plurality of connecting rods perpendicular to the cross beam are connected to the cross beam in a rotating way, one end of each connecting rod, which is far away from the cross beam, is connected with an anti-collision cylinder, and the anti-collision cylinder is an elastic piece with a hollow inside;
The height adjusting unit comprises two servo motors, two threaded rods and two ball screw nut pairs, each support column comprises a support bottom column and a lifting rod, a sliding groove is formed in the top end of the support bottom column, lifting rods are slidably arranged in the sliding grooves, a cross beam is arranged between the top ends of the lifting rods, each lifting rod is in a hollow structure, each servo motor is arranged at the inner bottom of each sliding groove, the output end of each servo motor is provided with the threaded rod, the ball screw nut pair is arranged on the threaded rod, and the ball screw nut pair is connected with the inner bottoms of the lifting rods in a detachable mode.
One end of each threaded rod, which is far away from the servo motor, is provided with a limiting block, and the limiting block is located in the sliding groove.
And the side wall of each supporting bottom column is provided with a heat dissipation groove in a penetrating mode, and the heat dissipation grooves correspond to the servo motors.
The side walls of each supporting bottom column are also provided with mounting shells, the mounting shells are covered on the outer parts of the radiating grooves, and air cooling fan blades are arranged in the mounting shells.
The bridge height limiting device comprises a bridge body, and is characterized by further comprising a photovoltaic unit, wherein the photovoltaic unit comprises two mounting frames and two solar panels, the mounting frames are arranged on one side of the top end of each supporting bottom column, and the solar panels are arranged on the upper surfaces of the mounting frames.
Each mounting frame comprises a fixing ring, a connecting arm and a mounting frame, wherein the fixing rings are detachably connected with the supporting bottom posts and sleeved outside the supporting bottom posts, one ends of the connecting arms are connected with the fixing rings, the other ends of the connecting arms are provided with the mounting frame, and the mounting frame is provided with the solar cell panel.
According to the bridge height limiting device, when the height of the cross beam is required to be adjusted according to actual requirements, the servo motor is started to drive the threaded rod to rotate, and the ball screw nut pair is detachably connected with the inner bottom of the lifting rod, so that the lifting rod is driven to slide in the sliding groove, and further the height of the cross beam is adjusted.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a bridge height limiting device according to a first embodiment of the present utility model.
Fig. 2 is a schematic diagram showing a split structure of a support column according to a first embodiment of the present utility model.
Fig. 3 is an enlarged view of a partial structure at a of fig. 2 provided by the present utility model.
Fig. 4 is a schematic structural view of a bridge height limiting device according to a second embodiment of the present utility model.
101-Supporting columns, 102-cross beams, 103-servo motors, 104-threaded rods, 105-ball screw nut pairs, 106-supporting bottom columns, 107-lifting rods, 108-connecting rods, 109-anti-collision cylinders, 110-sliding grooves, 111-limiting blocks, 112-heat dissipation grooves, 113-mounting shells, 114-air cooling fan blades, 201-mounting frames, 202-solar panels, 203-fixing rings, 204-connecting arms and 205-mounting frames.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
First embodiment:
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a bridge height limiting device according to a first embodiment, fig. 2 is a schematic structural diagram of a support column according to a first embodiment, and fig. 3 is an enlarged partial structural diagram of a portion a of fig. 2.
The utility model provides a bridge height limiting device which comprises: comprises two support columns 101, a cross beam 102 and a height adjusting unit, wherein the height adjusting unit comprises two servo motors 103, two threaded rods 104 and two ball screw nut pairs 105, and each support column 101 comprises a support bottom column 106 and a lifting rod 107. The problem that the working strength is high because the manual adjustment of a worker is needed in the actual use process of the existing bridge height limiting device when the height of the beam 102 needs to be adjusted is solved through the scheme, and it can be understood that the scheme can be used on the structure of the bridge height limiting device.
For this embodiment, the beam 102 is disposed between two support columns 101, a plurality of connecting rods 108 perpendicular to the beam are rotatably connected to the beam 102, one end of each connecting rod 108 away from the beam 102 is connected with an anti-collision cylinder 109, the anti-collision cylinder 109 is a hollow elastic member, the connecting rods 108 are rotatably connected to the beam 102, the connecting rods 108 are connected with the anti-collision cylinder 109, the height of the lowest end of the anti-collision cylinder 109 is a high value, the anti-collision cylinder 109 has the characteristics of good anti-collision energy absorbing effect and high safety, and when the height of a passing vehicle exceeds the high value, the vehicle collides with the anti-collision cylinder 109 on the beam 102, so that the loss of the beam 102 and the vehicle and personnel injury can be reduced as much as possible.
The top of supporting the sill pillar 106 is provided with the sliding tray 110, the inside slip of sliding tray 110 is provided with lifter 107, is provided with between the top of lifter 107 the crossbeam 102, every lifter 107 all is hollow structure setting, every the interior bottom of sliding tray 110 all is provided with servo motor 103, servo motor 103's output is provided with threaded rod 104, be provided with on the threaded rod 104 ball nut pair 105, ball nut pair 105 with the interior bottom of lifter 107 is dismantled and is connected, when according to actual demand, needs to adjust the height of crossbeam 102, starts servo motor 103 drives threaded rod 104 rotates, because ball nut pair 105 with the interior bottom of lifter 107 is dismantled and is connected, thereby drives lifter 107 is in the inside slip of sliding tray 110, and then accomplishes the regulation of the height of crossbeam 102, adopts above-mentioned structure, when adjusting the height of crossbeam 102, degree of automation is higher, thereby reduces when the height of work personnel is adjusted at the crossbeam 102.
Secondly, a stopper 111 is disposed at one end of each threaded rod 104 away from the servo motor 103, the stopper 111 is located inside the sliding groove 110, by the arrangement of the stopper 111, the ball screw nut pair 105 is prevented from falling off from the threaded rod 104, and the stopper 111 is located inside the sliding groove 110, so that the lifting rod 107 is prevented from falling off from the inside of the sliding groove 110.
Meanwhile, each side wall of the support bottom column 106 is provided with a heat dissipation groove 112 in a penetrating manner, the heat dissipation grooves 112 correspond to the servo motor 103, and the inside of the sliding groove 110 is kept in circulation with the outside air through the arrangement of the heat dissipation grooves 112, so that heat generated by the servo motor 103 during working is taken away through flowing air, and the heat dissipation is performed on the servo motor 103.
In addition, each side wall of the supporting bottom post 106 is further provided with a mounting shell 113, the mounting shell 113 is covered on the outside of the heat dissipation groove 112, and air cooling fan blades 114 are arranged in the mounting shell 113, and through the arrangement of the mounting shell 113 and the air cooling fan blades 114, the circulation speed of the inside of the sliding groove 110 and the outside air is faster, so that the heat dissipation effect is better.
When the bridge height limiting device of the embodiment is used, the connecting rod 108 is connected to the beam 102 in a rotating manner, the anti-collision barrel 109 is connected to the connecting rod 108, the height of the lowest end of the anti-collision barrel 109 is a limiting value, the anti-collision barrel 109 has the characteristics of good anti-collision energy absorbing effect and high safety, when the passing vehicle height exceeds the limiting value, the vehicle collides with the anti-collision barrel 109 on the beam 102, the loss of the beam 102 and the vehicle and personnel injury can be reduced as much as possible, and when the height of the beam 102 is required to be adjusted according to actual requirements, the servo motor 103 is started to drive the threaded rod 104 to rotate, and as the ball screw nut pair 105 is connected with the inner bottom of the lifting rod 107 in a dismounting manner, the lifting rod 107 is driven to slide in the sliding groove 110, and then the height of the beam 102 is adjusted.
Second embodiment:
on the basis of the first embodiment, please refer to fig. 4, fig. 4 is a schematic structural diagram of a bridge height limiting device according to a second embodiment.
The utility model provides a bridge height limiting device which further comprises a photovoltaic unit, wherein the photovoltaic unit comprises two mounting frames 201 and two solar panels 202, and each mounting frame 201 comprises a fixing ring 203, a connecting arm 204 and a mounting frame 205.
For this embodiment, each side of the top end of the supporting bottom pillar 106 is provided with the mounting frame 201, the upper surface of the mounting frame 201 is provided with the solar cell panel 202, and solar energy is converted into electric energy through the mounting frame 201 and the setting of the solar cell panel 202, so that auxiliary power supply is performed on the servo motor 103, and thereby resources are reasonably utilized.
The fixing ring 203 is detachably connected to the support bottom post 106, and is sleeved outside the support bottom post 106, one end of the connecting arm 204 is connected to the fixing ring 203, the other end of the connecting arm 204 is provided with the mounting frame 205, the mounting frame 205 is provided with the solar cell panel 202, after the fixing ring 203 is sleeved outside the support bottom post 106, the fixing ring 203 is fixed on the outer side wall of the support bottom post 106 by using a screw, so that the mounting of the mounting frame 201 is completed.
When the bridge height limiting device of the embodiment is used, after the fixing ring 203 is sleeved outside the supporting bottom post 106, the fixing ring 203 is fixed on the outer side wall of the supporting bottom post 106 by using screws, so that the installation of the installation frame 201 is completed, solar energy is converted into electric energy through the installation frame 201 and the solar cell panel 202, auxiliary power supply is performed on the servo motor 103, and resources are reasonably utilized.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (6)
1. The bridge height limiting device comprises two support columns and a cross beam, wherein the cross beam is arranged between the two support columns, a plurality of connecting rods perpendicular to the cross beam are rotationally connected to the cross beam, one end of each connecting rod, far away from the cross beam, is connected with an anti-collision cylinder which is an elastic piece with a hollow inside,
The height adjusting unit is also included;
The height adjusting unit comprises two servo motors, two threaded rods and two ball screw nut pairs, each support column comprises a support bottom column and a lifting rod, a sliding groove is formed in the top end of the support bottom column, lifting rods are slidably arranged in the sliding grooves, a cross beam is arranged between the top ends of the lifting rods, each lifting rod is in a hollow structure, each servo motor is arranged at the inner bottom of each sliding groove, the output end of each servo motor is provided with the threaded rod, the ball screw nut pair is arranged on the threaded rod, and the ball screw nut pair is connected with the inner bottoms of the lifting rods in a detachable mode.
2. The bridge height limiting device according to claim 1, wherein,
One end of each threaded rod, which is far away from the servo motor, is provided with a limiting block, and the limiting block is located in the sliding groove.
3. The bridge height limiting device according to claim 1, wherein,
And each side wall of the supporting bottom column is provided with a heat dissipation groove in a penetrating mode, and the heat dissipation grooves correspond to the servo motors.
4. The bridge height limiting device according to claim 3,
Each side wall of the supporting bottom column is also provided with a mounting shell, the mounting shell is covered outside part of the heat dissipation groove, and air cooling fan blades are arranged inside the mounting shell.
5. The bridge height limiting device according to claim 1, wherein,
Bridge limit for height device still includes photovoltaic unit, photovoltaic unit includes two mounting brackets and two solar cell panel, every one side on the top of support bottom post all is provided with the mounting bracket, the upper surface of mounting bracket is provided with solar cell panel.
6. The bridge height limiting device according to claim 5, wherein,
Every the mounting bracket all includes solid fixed ring, linking arm and installing frame, gu fixed ring with support the end post and dismantle the connection, and the cover is established support the outside of end post, the one end of linking arm with gu fixed ring links to each other, the other end of linking arm is provided with the installing frame, be provided with on the installing frame solar cell panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420368.0U CN220847243U (en) | 2023-09-06 | 2023-09-06 | Bridge height limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420368.0U CN220847243U (en) | 2023-09-06 | 2023-09-06 | Bridge height limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847243U true CN220847243U (en) | 2024-04-26 |
Family
ID=90747342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322420368.0U Active CN220847243U (en) | 2023-09-06 | 2023-09-06 | Bridge height limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847243U (en) |
-
2023
- 2023-09-06 CN CN202322420368.0U patent/CN220847243U/en active Active
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