CN112681111A - Assembled highway steel bridge of high security - Google Patents
Assembled highway steel bridge of high security Download PDFInfo
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- CN112681111A CN112681111A CN202011545236.5A CN202011545236A CN112681111A CN 112681111 A CN112681111 A CN 112681111A CN 202011545236 A CN202011545236 A CN 202011545236A CN 112681111 A CN112681111 A CN 112681111A
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Abstract
The utility model relates to an assembled highway steel bridge of high security, relate to bridge manufacturing technical field, it includes that crossbeam and symmetry set up in the mounting bracket at crossbeam both ends, the mounting bracket is including a set of truss that the symmetry set up, mutual fixed connection between crossbeam and the truss, the swivelling chute has been seted up to the upper surface of one of them truss, the swivelling chute internal rotation is provided with the rotation axis, the fixed guiding axle that is provided with on another truss, be provided with the limit for height pole between guiding axle and the rotation axis, the length direction of limit for height pole sets up along the width direction of crossbeam, the one end and the guiding axle threaded connection of limit for height pole, sliding connection between the other end of limit for height pole and the guiding axle, still install on the mounting bracket and be used for driving. This application has the restriction height to the vehicle of being convenient for fast and adjusts, improves the effect of assembled steel bridge security when using.
Description
Technical Field
The application relates to the technical field of bridge manufacturing, in particular to an assembly type highway steel bridge with high safety.
Background
The assembled highway steel bridge is a common temporary bridge facility, is not limited by bridge type, and the standardized truss sheets can be constructed in parallel at multiple points, so that the assembled highway steel bridge has the advantages of light weight, large bearing capacity and high construction speed.
In order to avoid damage to bridge building facilities caused by the supertall vehicles in the same row and improve the safety of the steel bridges in use, height limiting devices are arranged on a plurality of steel bridges, most of the height limiting devices in the related art are fixed, the height limiting devices are troublesome in adjusting the limited height of the vehicles, the limited height of the vehicles in the same row is inconvenient to change rapidly, and therefore the height limiting devices are to be improved.
Disclosure of Invention
In order to facilitate adjusting the limit height of vehicle fast, the security when improving assembled steel bridge and using, this application provides the assembled highway steel bridge of a high security.
The application provides a fabricated highway steel bridge of high security adopts following technical scheme:
the assembly type highway steel bridge with high safety comprises a cross beam and mounting frames symmetrically arranged at two ends of the cross beam, wherein the mounting frames comprise a group of trusses symmetrically arranged, and the cross beam and the trusses are fixedly connected with each other; the upper surface of one truss is provided with a rotating groove along the height direction of the truss, a rotating shaft is rotatably arranged in the rotating groove, and the outer side wall of the rotating shaft is attached to the inner side wall of the rotating groove; a guide shaft is fixedly arranged on the other truss along the height direction of the truss, a height limiting rod is arranged between the guide shaft and the rotating shaft, the length direction of the height limiting rod is arranged along the width direction of the cross beam, one end of the height limiting rod is in threaded connection with the guide shaft, and the other end of the height limiting rod is in sliding connection with the guide shaft; and the mounting frame is also provided with a driving assembly for driving the rotating shaft to rotate.
Through adopting above-mentioned technical scheme, when the vehicle was on the same journey between the truss, can drive the rotation axis at the swivelling chute internal rotation through drive assembly, because limit for height pole and rotation axis threaded connection, the guiding axle leads limit for height pole in vertical direction this moment, and the rotation axis rotates, drives limit for height pole and moves along vertical direction on its lateral wall to the realization is adjusted fast highly of limit for height pole, need not to dismantle the change to limit for height pole, has reduced the operation degree of difficulty.
Optionally, the driving assembly comprises a driving motor, a transmission bevel gear and a matching bevel gear, a driving cavity communicated with the rotary groove is formed in the mounting frame, the driving motor is fixedly installed in the driving cavity, the transmission bevel gear is fixedly connected with a driving shaft of the driving motor, the matching bevel gear is fixedly arranged on the outer side wall of the rotary shaft, the matching bevel gear and the rotary shaft are coaxially arranged, and the matching bevel gear is meshed with the transmission bevel gear.
Through adopting above-mentioned technical scheme, when needing drive rotation axis rotary slot internal rotation, rotate through driving motor drive transmission bevel gear, and then drive cooperation bevel gear and rotate, and then drive the rotation axis and rotate, need not the manpower and rotate the rotation axis, convenient operation is swift, and is high to the control accuracy of limit for height pole height simultaneously.
Optionally, an annular groove is formed in the bottom wall of the rotating groove, the length direction of the annular groove is arranged along the circumferential direction of the rotating shaft, and a plurality of balls which are abutted against the bottom wall of the rotating shaft are arranged in the annular groove.
Through adopting above-mentioned technical scheme, when the rotation axis was at the swivelling chute internal rotation, the ball offset with the rotation axis diapire, and the ball rolls, has reduced the frictional force between rotation axis and the swivelling chute, and the driving motor drive rotation axis of being convenient for rotates.
Optionally, install distance sensor on the limit for height pole, distance sensor is used for detecting the distance between limit for height pole and the ground, distance sensor is connected with the controller, the controller is connected with first display screen, first display screen is installed on the mounting bracket, the controller is used for receiving the signal that distance sensor detected and shows through first display screen after carrying out the analysis.
Through adopting above-mentioned technical scheme, after drive assembly highly adjusts the limit for height pole, distance sensor measures the distance between limit for height pole and the ground to detect data transmission and give the controller, the controller shows the height of limit for height pole through first display screen after data analysis, and the personnel of being convenient for come in and go out know the specific numerical value of limit for height this moment, security when having improved the steel bridge and using.
Optionally, the height-limiting rod includes slide bar and the connecting block of symmetry setting at slide bar both ends, one of them the connecting block with rotating shaft interconnect, another connecting block and guiding shaft interconnect, the both ends and the connecting block of slide bar laminate each other, the both ends symmetry an organic whole of slide bar is provided with the sliding block, set up on the lateral wall of connecting block and supply the sliding block to insert the groove of establishing that slides, the interference setting between groove and the sliding block slides.
Through adopting above-mentioned technical scheme, when the vehicle bumps with the limit for height pole, the vehicle offsets with the slide bar, and the drive sliding block slips at the inslot that slides, and the sliding block slides out the groove that slides, makes it break away from each other with the connecting block to the slide bar striking, avoids the limit for height pole to take place to damage, is convenient for maintain the limit for height pole to prolong its life.
Optionally, a pass plate is fixed between the trusses and at the bottom, the length direction of the pass plate is arranged along the length direction of the cross beam, a weighing sensor is mounted on the pass plate, and the weighing sensor is connected with the controller; railings are arranged on the surface of the cross beam and positioned on two sides of the cross beam, the length direction of the railings is arranged along the length direction of the cross beam, and a traffic control device which is mutually connected with the controller is arranged on the railings and is used for controlling the traffic of the vehicle; the controller is used for controlling the travel limiting device to work when the weighing detection sensor detects that the vehicle is overweight.
Through adopting above-mentioned technical scheme, pass through between the truss when the vehicle, the vehicle passes through from the access board, the vehicle offsets with weighing sensor, weighing sensor can detect the weight of vehicle, weighing sensor gives the controller with the signal transmission that detects, the controller is to detecting signal analysis, when finding that vehicle weight is overweight, the work of controller control restriction device, restriction device blocks the vehicle, avoid the vehicle to pass through on the crossbeam, security when further having improved the steel bridge and using.
Optionally, the restriction device is including driving actuating cylinder, driving rope, restriction board and butt spring, it installs on the railing to drive actuating cylinder fixed mounting, the restriction board rotates and sets up on the opposite face of railing, the one end that drives actuating rope and the piston rod fixed connection who drives actuating cylinder, the other end and the restriction board fixed connection that drive actuating rope, the both ends of butt spring support with railing and restriction board respectively, the butt spring orders about the restriction board and rotates to the direction of keeping away from the railing.
By adopting the technical scheme, when the vehicle needs to be restricted by the restriction device, the controller controls the driving cylinder to extend, the driving rope is close to the restriction plate, the abutting spring abuts against the surface of the restriction plate at the moment, the restriction plate can rotate towards the direction far away from the railing under the action of the abutting force, when the restriction plate rotates to a distance vertical to the railing, the driving rope pulls the restriction plate to fix the restriction plate, and the restriction plate blocks the passing vehicle, so that the effect of fast restriction is achieved; when needs are normally current, drive actuating cylinder pulling and drive the actuating rope, and then drive the restricted driving board and rotate to the railing direction, will fix the lateral wall at the railing, simple structure, the reaction is swift rapidly.
Optionally, the controller is connected with a second display screen, the second display screen is installed on the installation frame, and the controller is used for receiving signals detected by the weighing sensor, analyzing the signals and displaying the signals through the second display screen.
Through adopting above-mentioned technical scheme, weighing sensor weighs the back to the weight of vehicle, shows through the second display screen, and the personnel of being convenient for come in and go out know the specific numerical value of its vehicle weight.
Optionally, the controller is connected with an alarm device.
Through adopting above-mentioned technical scheme, when weighing sensor detects that the vehicle is overweight, alarm device work is controlled to the controller, and alarm device warns the personnel of cominging in and going out.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the cross beam, the mounting frame, the truss, the rotary groove, the rotary shaft, the guide shaft, the height limiting rod, the driving motor, the transmission bevel gear and the matching bevel gear, when the height of the height limiting rod needs to be adjusted, the driving bevel gear is driven to rotate by the driving motor, the rotary shaft is driven to rotate, and the height limiting rod is further driven to move on the outer side wall of the height limiting rod in the vertical direction, so that the height of the height limiting rod can be quickly adjusted, the height limiting rod does not need to be disassembled and replaced, and the labor force is reduced;
2. by arranging the distance sensor, the weighing sensor, the controller, the first display screen, the second display screen and the alarm device, the first display screen displays the height of the height limiting rod, the second display screen displays the weight of vehicles entering and exiting, and the limiting condition of the steel bridge can be accurately known by people entering and exiting, so that the safety of the steel bridge in use is improved;
3. through setting up drive actuating cylinder, drive actuating rope, restricted driving board and butt spring, when the vehicle is overweight, restricted driving board rotates to the position with railing mutually perpendicular, and restricted driving board blocks overweight vehicle, has played the effect of quick restriction, has further improved the security.
Drawings
FIG. 1 is a schematic structural diagram of a high-safety fabricated highway steel bridge according to an embodiment.
Fig. 2 is a schematic structural diagram for embodying the height-limiting rod of the embodiment.
Fig. 3 is a sectional view for embodying the connection relationship between the driving assembly and the rotary shaft in the embodiment.
Description of reference numerals: 1. a cross beam; 11. a mounting frame; 12. a railing; 2. a truss; 21. a drive chamber; 3. a rotating tank; 31. a rotating shaft; 32. a ring groove; 321. a ball bearing; 4. a guide shaft; 5. a height limiting rod; 51. a slide bar; 511. a sliding block; 52. connecting blocks; 521. a sliding groove; 53. a distance sensor; 6. a drive assembly; 61. a drive motor; 62. a drive bevel gear; 63. matching with a bevel gear; 71. a first display screen; 72. a second display screen; 8. a pass plate; 81. a weighing sensor; 9. a traffic control device; 91. a driving cylinder; 92. a drive rope; 93. a limiting plate; 94. an abutment spring; 10. and a controller.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses assembled highway steel bridge of high security. Referring to fig. 1, the cross beam comprises a cross beam 1 and mounting frames 11 symmetrically arranged at two ends of the cross beam 1, the mounting frames 11 are arranged on the ground through bolts, the mounting frames 11 comprise a group of trusses 2 symmetrically arranged, the cross beam 1 and the trusses 2 are fixedly connected with each other through bolts, and when a vehicle or a pedestrian passes through the cross beam 1, the trusses 2 support the cross beam 1.
Referring to fig. 1, a rotating groove 3 is formed in the upper surface of one of the trusses 2, the length direction of the rotating groove 3 is arranged along the height direction of the truss 2, a rotating shaft 31 is rotatably arranged in the rotating groove 3, the outer side wall of the rotating shaft 31 is attached to the inner side wall of the rotating groove 3, and the rotating shaft 31 can rotate in the rotating groove 3 along the circumferential direction of the rotating groove. A guide shaft 4 is fixedly welded on the other truss 2 along the height direction of the truss, a height limiting rod 5 is arranged between the guide shaft 4 and the rotating shaft 31, the length direction of the height limiting rod 5 is arranged along the width direction of the cross beam 1, and the height limiting rod 5 is used for limiting the height of passing vehicles.
Referring to fig. 1 and 2, the height-limiting rod 5 includes a sliding rod 51 and connecting blocks 52 symmetrically disposed at two ends of the sliding rod 51, wherein one of the connecting blocks 52 is in threaded connection with the rotating shaft 31, the other connecting block 52 is in sliding connection with the guide shaft 4, and two ends of the sliding rod 51 and the connecting blocks 52 are attached to each other. The both ends symmetry integrated into one piece of slide bar 51 is provided with the sliding block 511, offers on the lateral wall of connecting block 52 and supplies sliding block 511 to insert the groove 521 that slides of establishing, and sliding block 521 is located the one side of connecting block 52 towards crossbeam 1 direction, and the interference setting between sliding block 521 and the sliding block 511 is inserted when establishing in sliding block 521, is connected comparatively steadily between connecting block 52 and the slide bar 51. However, when a passing vehicle collides with the height limiting rod 5, the sliding rod 51 is subjected to a large acting force, and the sliding block 511 slides out of the sliding groove 521, so that the sliding rod 51 is separated from the connecting block 52, the height limiting rod 5 is prevented from being directly damaged, and the height limiting rod 5 is convenient to maintain.
Referring to fig. 1 and 3, a driving assembly 6 for driving the rotation shaft 31 to rotate is further mounted on the mounting bracket 11, the driving assembly 6 includes a driving motor 61, a transmission bevel gear 62 and a matching bevel gear 63, and a driving cavity 21 communicated with the rotation groove 3 is formed in the mounting bracket 11. The driving motor 61 is fixedly installed in the driving cavity 21 through bolts, the transmission bevel gear 62 is in key connection with a driving shaft of the driving motor 61, the matching bevel gear 63 is fixedly arranged on the outer side wall of the rotating shaft 31 through welding, the matching bevel gear 63 and the rotating shaft 31 are coaxially arranged, and the transmission bevel gear 62 is meshed with the matching bevel gear 63. Drive transmission bevel gear 62 through driving motor 61 and rotate, and then drive cooperation bevel gear 63 and rotate, and then drive rotation axis 31 and rotate, because limit for height pole 5's one end and rotation axis 31 threaded connection, guiding axle 4 leads to the other end of limit for height pole 5, and then drives limit for height pole 5 and moves in vertical direction, realizes quick adjustment to limit for height pole 5's height.
Referring to fig. 3, a ring groove 32 is formed in the bottom wall of the rotary groove 3, the length direction of the ring groove 32 is arranged along the circumferential direction of the rotary shaft 31, a plurality of balls 321 which abut against the bottom wall of the rotary shaft 31 are arranged in the ring groove 32, and when the rotary shaft 31 rotates in the rotary groove 3, the balls 321 can roll in the ring groove 32, so that the driving motor 61 can drive the rotary shaft 31 to rotate.
Referring to fig. 1, install distance sensor 53 on limit for height pole 5, distance sensor 53 is connected with controller 10, controller 10 is programmable controller 10, controller 10 is connected with first display screen 71, first display screen 71 is installed on mounting bracket 11, distance sensor 53 is with detecting distance signal transmission between limit for height pole 5 and the ground and giving controller 10, after controller 10 is to data analysis, show limit for height pole 5's height through first display screen 71, the personnel of being convenient for come in and go out know the specific height of limit for height pole 5, thereby security when improving the steel bridge and using.
Referring to fig. 1, a passing plate 8 is fixed between the trusses 2 and at the bottom, the passing plate 8 is arranged on the ground, the length direction of the passing plate 8 is arranged along the length direction of the cross beam 1, a weighing sensor 81 is installed on the passing plate 8, and when a vehicle passes over the passing plate 8, the weighing sensor 81 detects the weight of the vehicle. The weighing sensor 81 and the controller 10 are connected with each other, the controller 10 is connected with the second display screen 72, the second display screen 72 is installed on the installation frame 11, and the second display screen 72 displays the weight of the passing vehicle. The controller 10 is further connected with an alarm device 101, the alarm device 101 is an audible and visual alarm, the alarm device 101 is fixedly mounted on the guide shaft 4, and when the weighing sensor 81 detects that the vehicle is overweight, the alarm device 101 works to warn the passengers who enter or exit.
Referring to fig. 1, a rail 12 is fixedly installed on the surface of the cross beam 1 and on both sides of the cross beam by bolts, and the length direction of the rail 12 is arranged along the length direction of the cross beam 1. The traffic control device 9 used for controlling the traffic of the overweight vehicle is mounted on the railing 12, the traffic control device 9 comprises a driving cylinder 91, a driving rope 92, a traffic control plate 93 and a butt spring 94, the driving cylinder 91 is fixedly mounted on the railing 12 through a bolt, the driving cylinder 91 is connected with the controller 10, and the traffic control plate 93 is rotatably arranged on the opposite surface of the railing 12 through a hinge. One end of the driving rope 92 is fixedly connected with a piston rod of the driving cylinder 91, the other end of the driving rope 92 is fixedly connected with the line limiting plate 93, when the piston rod of the driving cylinder 91 extends out, the line limiting plate 93 can rotate towards the direction away from the railing 12, when the piston rod of the driving cylinder 91 contracts, the driving rope 92 pulls the line limiting plate 93, and the line limiting plate 93 rotates to the state of being flush with the railing 12.
Referring to fig. 1, the both ends of butt spring 94 offset with railing 12 and restricted board 93 respectively, butt spring 94 passes through welded fastening on the lateral wall of railing 12, when weighing sensor 81 detects that the vehicle on the board 8 that passes through is overweight, controller 10 control drives the extension of actuating cylinder 91 piston rod, butt spring 94 orders about restricted board 93 and rotates to the direction of keeping away from railing 12, restricted board 93 blocks the past vehicle this moment, the effect of quick restriction has been played, the security when further having improved the steel bridge and using. When the vehicle normally passes, the driving cylinder 91 controls the piston rod to contract, and the driving rope 92 drives the limiting plate 93 to rotate.
The implementation principle of the assembled highway steel bridge of this application embodiment of high security does: when the height of height-limiting rod 5 needs to be adjusted, driving rotating shaft 31 to rotate through driving motor 61, and then driving height-limiting rod 5 to move in the vertical direction, realizing quick adjustment to the height of height-limiting rod 5, convenient and quick to operate, high in control precision, and high in safety when the steel bridge is used.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The assembly type highway steel bridge with high safety comprises a cross beam (1) and mounting frames (11) symmetrically arranged at two ends of the cross beam (1), wherein the mounting frames (11) comprise a group of trusses (2) symmetrically arranged, and the cross beam (1) and the trusses (2) are fixedly connected with each other; the method is characterized in that: the upper surface of one truss (2) is provided with a rotating groove (3) along the height direction, a rotating shaft (31) is rotatably arranged in the rotating groove (3), and the outer side wall of the rotating shaft (31) is attached to the inner side wall of the rotating groove (3); a guide shaft (4) is fixedly arranged on the other truss (2) along the height direction of the truss, a height limiting rod (5) is arranged between the guide shaft (4) and the rotating shaft (31), the length direction of the height limiting rod (5) is arranged along the width direction of the cross beam (1), one end of the height limiting rod (5) is in threaded connection with the guide shaft (4), and the other end of the height limiting rod (5) is in sliding connection with the guide shaft (4); and the mounting rack (11) is also provided with a driving assembly (6) for driving the rotating shaft (31) to rotate.
2. The assembled highway steel bridge with high safety according to claim 1, wherein: drive assembly (6) include driving motor (61), transmission bevel gear (62) and cooperation bevel gear (63), drive chamber (21) that communicate each other with swivelling chute (3) have been seted up in mounting bracket (11), driving motor (61) fixed mounting is in drive chamber (21), the drive shaft fixed connection of transmission bevel gear (62) and driving motor (61), cooperation bevel gear (63) are fixed to be set up on the lateral wall of rotation axis (31), coaxial setting between cooperation bevel gear (63) and rotation axis (31), cooperation bevel gear (63) and transmission bevel gear (62) intermeshing.
3. The assembled highway steel bridge with high safety according to claim 2, wherein: annular groove (32) have been seted up on the diapire of swivelling chute (3), the length direction of annular groove (32) sets up along the circumferencial direction of rotation axis (31), be provided with ball (321) that a plurality of and rotation axis (31) diapire offset in annular groove (32).
4. The assembled highway steel bridge with high safety according to claim 1, wherein: install distance sensor (53) on limit for height pole (5), distance sensor (53) are used for detecting the distance between limit for height pole (5) and the ground, distance sensor (53) are connected with controller (10), controller (10) are connected with first display screen (71), install on mounting bracket (11) first display screen (71), controller (10) are used for receiving the signal that distance sensor (53) detected and show through first display screen (71) after carrying out the analysis.
5. The assembled highway steel bridge with high safety according to claim 4, wherein: height limit pole (5) including slide bar (51) and symmetry set up connecting block (52) at slide bar (51) both ends, one of them connecting block (52) with rotation axis (31) interconnect, another connecting block (52) and guiding axle (4) interconnect, the both ends and the connecting block (52) of slide bar (51) laminate each other, the both ends symmetry an organic whole of slide bar (51) is provided with sliding block (511), set up on the lateral wall of connecting block (52) and supply sliding block (511) to insert sliding groove (521) of establishing, the interference setting between sliding groove (521) and sliding block (511).
6. The assembled highway steel bridge with high safety according to claim 4, wherein: a passing plate (8) is fixed between the trusses (2) and positioned at the bottom, the length direction of the passing plate (8) is arranged along the length direction of the cross beam (1), a weighing sensor (81) is mounted on the passing plate (8), and the weighing sensor (81) is connected with a controller (10); railings (12) are arranged on the surface of the cross beam (1) and positioned on two sides of the surface of the cross beam, the length direction of the railings (12) is arranged along the length direction of the cross beam (1), a traffic control device (9) connected with a controller (10) is arranged on the railings (12), and the traffic control device (9) is used for traffic control of vehicles; the controller (10) is used for controlling the travel limiting device (9) to work when the weighing detection sensor detects that the vehicle is overweight.
7. The assembled highway steel bridge with high safety according to claim 6, wherein: the device of restricting traffic (9) is including driving actuating cylinder (91), drive rope (92), restriction board (93) and butt spring (94), drive actuating cylinder (91) fixed mounting on railing (12), restriction board (93) rotate and set up on the opposite face of railing (12), the one end of driving actuating rope (92) and the piston rod fixed connection who drives actuating cylinder (91), the other end and the restriction board (93) fixed connection who drives actuating rope (92), the both ends of butt spring (94) offset with railing (12) and restriction board (93) respectively, butt spring (94) order about restriction board (93) and rotate to the direction of keeping away from railing (12).
8. The assembled highway steel bridge with high safety according to claim 7, wherein: the controller (10) is connected with a second display screen (72), the second display screen (72) is installed on the installation frame (11), and the controller (10) is used for receiving signals detected by the weighing sensor (81), analyzing the signals and displaying the signals through the second display screen (72).
9. The assembled highway steel bridge with high safety according to claim 7, wherein: the controller (10) is connected with an alarm device (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011545236.5A CN112681111A (en) | 2020-12-24 | 2020-12-24 | Assembled highway steel bridge of high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011545236.5A CN112681111A (en) | 2020-12-24 | 2020-12-24 | Assembled highway steel bridge of high security |
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| Publication Number | Publication Date |
|---|---|
| CN112681111A true CN112681111A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011545236.5A Pending CN112681111A (en) | 2020-12-24 | 2020-12-24 | Assembled highway steel bridge of high security |
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| Country | Link |
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| CN (1) | CN112681111A (en) |
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| CN210368726U (en) * | 2019-07-25 | 2020-04-21 | 章曹望 | Height limiting structure for road and bridge |
| CN211571486U (en) * | 2019-11-08 | 2020-09-25 | 赵宇通 | Limit for height device based on bridge security performance |
| CN212052470U (en) * | 2020-03-23 | 2020-12-01 | 文静波 | Limiting device for road and bridge |
| CN212103628U (en) * | 2019-12-27 | 2020-12-08 | 湖北交投科技发展有限公司 | Bridge weight limit passes restriction pass device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09221707A (en) * | 1996-02-15 | 1997-08-26 | Oyo Corp | Movable temporary road surface structure and method for installation and removal thereof |
| JP2013091917A (en) * | 2011-10-24 | 2013-05-16 | Taisei Corp | Entry regulation device |
| KR20160039930A (en) * | 2014-10-02 | 2016-04-12 | 주식회사 에스케이디 하이테크 | Crossing Rope Clamps |
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| CN206039844U (en) * | 2016-09-27 | 2017-03-22 | 成都信息工程大学 | Bridge traffick limit for height limit heavily detects and controlling means |
| CN208121620U (en) * | 2018-03-20 | 2018-11-20 | 南安市明誓汽配贸易有限公司 | A kind of load limitation device of the full-automatic road and bridge of fluid pressure type |
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| CN210368726U (en) * | 2019-07-25 | 2020-04-21 | 章曹望 | Height limiting structure for road and bridge |
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| CN212103628U (en) * | 2019-12-27 | 2020-12-08 | 湖北交投科技发展有限公司 | Bridge weight limit passes restriction pass device |
| CN212052470U (en) * | 2020-03-23 | 2020-12-01 | 文静波 | Limiting device for road and bridge |
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Application publication date: 20210420 |