CN113026605A

CN113026605A - Town road crossing is with limit for height limit for tonnage device

Info

Publication number: CN113026605A
Application number: CN202110228743.4A
Authority: CN
Inventors: 夏晓春; 夏伊芯
Original assignee: Wenzhou Yangguang Construction Co ltd
Current assignee: Wenzhou Yangguang Construction Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-06-25

Abstract

The utility model relates to a limit for height limit for town road crossing carries device, it includes the bracing piece, be fixed with the slide bar that extends along the driving direction on the bracing piece, the slip is provided with limited jowar on the slide bar, the control flume has been seted up on the bracing piece, it is provided with the control block to slide in the control flume, be connected with the pulling subassembly on the control block, pulling subassembly connection control piece and limit for height jowar, a plurality of switch grooves have been seted up on each cell wall of control flume respectively, each the high difference in switch groove, it is provided with the switch spare that triggers through the control block to slide in the switch groove, be provided with the trigger mechanism who triggers through the switch spare in the switch groove respectively, one side that the bracing piece is close to the slide bar is provided with the early warning speed reduction that stops the mechanism. This application has the effect that reduces the vehicle and limit for height frame damage.

Description

Town road crossing is with limit for height limit for tonnage device

Technical Field

The application relates to the field of height and load limiting devices, in particular to a height and load limiting device for a municipal road intersection.

Background

The height and load limiting device is a door-shaped frame structure used at the entrance of a bridge or a tunnel, plays a role in protecting the bridge or the tunnel, and prevents super-high and super-heavy vehicles from passing through the bridge or the tunnel.

Among the correlation technique, chinese patent with publication number CN211171716U discloses an elevating frame for road and bridge, it includes left stand, right stand, go up the ejector pin, the carriage release lever, left mounting, right mounting, the bottom welding of left stand and right stand has the bottom plate, open the four corners of bottom plate has the round hole, fixing bolt fixes the bottom plate subaerial with the round hole after being connected, left stand sets up with right stand relatively, left stand, the top welding of right stand has last ejector pin, be equipped with threaded connection's screw rod on the last ejector pin, and the screw rod runs through last ejector pin and is connected with the bearing, bearing welding is on the carriage release lever, the quad slit has all been seted up on left stand and the right stand, install left mounting on the quad slit on the left stand, install right mounting on the quad slit on the right stand, left mounting and right mounting are all fixed through fastening screw rod.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when a driver does not see the height limiting frame for the road and bridge due to weather influence or cannot judge the height of the vehicle due to full-load goods in the process of driving the vehicle, the driver is easy to directly impact on the height limiting frame, so that the vehicle and the height limiting frame are damaged and need to be improved.

Disclosure of Invention

In order to reduce the vehicle and limit for height the damage, this application provides a limit for height limit for town road crossing carries device.

The application provides a municipal administration road crossing is with limit for height limit for carrying device adopts following technical scheme:

the utility model provides a limit for height limit device for town road crossing, includes the bracing piece, be fixed with the slide bar that extends along the driving direction on the bracing piece, the slip is provided with limited jowar on the slide bar, the control groove has been seted up on the bracing piece, it is provided with the control block to slide in the control groove, be connected with the pulling subassembly on the control block, pulling subassembly connection control block and limit for height roof beam, a plurality of switch grooves, each have been seted up on each cell wall of control groove respectively the difference in height in switch groove, it is provided with the switch spare that triggers through the control block to slide in the switch groove, be provided with the trigger mechanism that triggers through the switch spare in the switch groove respectively, one side that the bracing piece is close to the slide bar is provided with the early warning speed reduction that controls through trigger mechanism.

By adopting the technical scheme, when a vehicle exceeding the height limit passes through the height and load limiting device, the ultrahigh part of the vehicle can be pressed on the height limiting beam and pushes the height limiting beam to slide, and the control block is pulled to move by the pulling assembly when the height limiting beam slides. Along with the movement of the vehicle exceeding the height limit, the control block rises under the pulling of the pulling assembly and sequentially triggers the switch pieces in the switch grooves with different heights, so that the triggering mechanisms in different switch grooves are sequentially triggered, and then different early warning and speed reducing blocking mechanisms are controlled to be sequentially started, so that the vehicle is early warned, decelerated and blocked. Different early warning speed reduction barrier mechanisms are controlled to be started in sequence through the control block, so that a driver driving a vehicle exceeding the height limit can be early warned and intercepted, and compared with the height limit frame in the related art, the vehicle is prevented from directly impacting the height limit frame by starting the multiple groups of early warning speed reduction barrier mechanisms in sequence, so that the damage of the vehicle and the height limit frame is reduced.

Optionally, the switch groove is for shifting chute and trigger slot along being close to the direction of control slot to keeping away from the control slot, the switch spare sets up the removal portion and the trigger portion of sliding setting in the trigger slot in the shifting chute including sliding, the cover is equipped with the switch spring in the trigger portion, the tank bottom at removal portion and shifting chute is connected respectively to the tip of switch spring, when the switch spring is in natural state, the tip of removal portion stretches into in the control slot.

By adopting the technical scheme, when the height and load limiting device is normally used, the control block limits the end part of the moving part to stretch into the control groove, so that the movement of the trigger part is limited. When a vehicle exceeding the height limit abuts against the height limit beam and pushes the height limit beam to move, the control block rises, so that the switch piece in the switch groove with the height from low to high moves under the action of the switch spring, and the end part of the moving part extends into the control groove. The moving part drives the triggering part to move towards the direction close to the control groove, so that different triggering mechanisms are triggered in sequence, and different early warning deceleration blocking mechanisms are started in sequence.

Optionally, one side of the control block, which is far away from the pulling assembly, is connected with a drawstring, the bottom of the control groove is provided with a counterweight assembly for pulling the drawstring, and a moving inclined plane is arranged between the end face of the moving part, which is far away from the triggering part, and the end face of the moving part, which is far away from the counterweight assembly.

Through adopting above-mentioned technical scheme, when the driver perceives that the vehicle that oneself was driven surpasss the limit for height and backs a car and leaves limit for height limit for load device, counter weight component pulling drawstring to drive the control block and reset, the control block supports and presses on removing the inclined plane, makes the shifting gate be withdrawed to the removal portion, and then makes trigger mechanism close in order to close early warning speed reduction barrier mechanism. The counterweight assembly enables the height-limiting and load-limiting device to be free of manual reset, and the use simplicity of the device is improved.

Optionally, the counterweight assembly includes a plurality of counterweights and a connecting member connecting adjacent counterweights, and one end of the drawstring, which is far away from the control block, is connected to the counterweights adjacent to the control block.

Through adopting above-mentioned technical scheme, when the vehicle that surpasss the limit for height passes through the limit for height device, limit for height roof beam pulling subassembly, control block and drawstring remove, and the drawstring pulling removes with the adjacent balancing weight of self, and above-mentioned balancing weight passes through all the other balancing weights of connecting piece pulling and removes. Through the structure, when the vehicle exceeding the limit height continues to advance, the counterweight block can be pulled up, so that the advancing resistance of the vehicle is increased to limit the vehicle to continue to advance. When the driver detects that the vehicle exceeds the height limit and backs up to exit the height limit and load limit device, the balancing weight falls back and pulls the control block and the height limit beam to reset.

Optionally, a sliding hole extending along the sliding direction of the control block is formed in the balancing weight, a limiting hole is formed in the bottom of the sliding hole, the connecting piece comprises a sliding portion arranged in the limiting hole in a sliding mode and a limiting portion arranged in the sliding hole in a sliding mode, the width of the limiting portion is larger than that of the limiting hole, and the end portion, far away from the limiting portion, of the sliding portion is connected to an adjacent balancing weight located on one side close to the control block.

Through adopting above-mentioned technical scheme, when limit for height limit for load device normal use, the interval between the adjacent balancing weight is minimum. When a vehicle exceeding the height limit passes through the height and load limiting device, the drawstring pulls the balancing weight adjacent to the drawstring to rise, so that the connecting piece adjacent to the balancing weight is driven to rise, and along with the rise of the connecting piece, the connecting piece moves to the limiting part to be in butt joint with the bottom of the sliding hole on the balancing weight adjacent to the balancing weight and drives the balancing weight to rise. Through the structure, the counterweight block can be pulled up when the vehicle exceeding the height limit moves for a certain distance, so that the advancing resistance of the vehicle is continuously increased to slow down the advancing speed of the vehicle and warn a driver.

Optionally, the triggering mechanism is sequentially divided into a first triggering mechanism, a second triggering mechanism, a third triggering mechanism and a fourth triggering mechanism from low to high, and the early warning deceleration blocking mechanism is sequentially divided into a first early warning mechanism controlled by the first triggering mechanism, a second early warning mechanism controlled by the second triggering mechanism, a deceleration mechanism controlled by the third triggering mechanism and a blocking mechanism controlled by the fourth triggering mechanism along the direction from the side close to the supporting rod to the side far away from the supporting rod.

By adopting the technical scheme, when a vehicle exceeding the height limit passes through the height limit and load limit device, the height limit beam pulls the control block to ascend, and along with the continuous advancing of the vehicle, the first trigger mechanism, the second trigger mechanism, the third trigger mechanism and the fourth trigger mechanism are sequentially triggered, so that the first early warning mechanism, the second early warning mechanism, the speed reducing mechanism and the blocking mechanism are sequentially started, the height limit and load limit device gives two early warnings to a driver, then the vehicle is limited in speed through the speed reducing mechanism, and finally the vehicle is limited to pass through the height limit and load limit device through the blocking mechanism. Through multiple progressive and sequentially triggered early warning deceleration blocking mechanisms, the damage to vehicles and height and load limiting devices is reduced while vehicles exceeding the height limit are intercepted.

Optionally, the first triggering mechanism includes an alarm switch, the first warning device includes an alarm horn mounted on the sliding rod, and when the side wall of the control block abuts against a switch member adjacent to the alarm switch, the triggering portion abuts against the alarm switch and the alarm horn is turned off.

Through adopting above-mentioned technical scheme, surpass the vehicle promotion limit for height roof beam and drive the control block and remove to no longer sheltering from the high minimum switch groove when, the switch spare that is arranged in the high minimum switch groove its removal portion stretches into the control groove under switch spring's effect, and removal portion drives trigger part and removes to no longer supporting tight alarm switch to the direction of keeping away from alarm switch to start alarm loudspeaker and send out the police dispatch newspaper in order to warn the driver.

It is optional, set up the basin that blocks water that communicates with adjacent switch groove in the bracing piece, second early warning mechanism is including setting up the squirt in the road both sides and the delivery pipe that is connected with the squirt, second trigger mechanism is including being used for opening and close delivery pipe inner chamber water blocking plate, rotating the dwang of connection on the delivery pipe, connect the rotor plate on the dwang, slide the water blocking piece that sets up in the basin that blocks water, be used for pulling block water blocking spring and be used for driving dwang pivoted piece that resets, the tip and the water blocking plate of dwang are connected, it is equipped with the inclined plane that blocks water on the terminal surface that the rotor plate was kept away from to the water blocking piece, the inclined plane that blocks water is towards the shifting chute, when the lateral wall of control block supports the switch spare that presses and block water piece adjacent, block water spring is in tensile state.

Through adopting above-mentioned technical scheme, surpass the vehicle of limit for height and promote limit for height roof beam and drive the control block and remove to no longer supporting when pressing the switch spare adjacent with the piece that blocks water, above-mentioned switch spare removes to the direction that is close to the control flume under switch spring's effect, and the spring that blocks water recovers and the pulling blocks water to no longer supporting and presses the rotor plate, and the dwang rotates under the effect that resets for the water supply pipe inner chamber is opened, and water jets out from the squirt in order to warn the driver from the vision. When the vehicle exceeding the height limit exits the height limit and load limit device, the trigger part presses the water blocking inclined plane and pushes the water blocking block to the end part of the water blocking block to tightly abut against the rotating plate, and along with the resetting of the control block, the water blocking block pushes the rotating plate to drive the water blocking block to rotate to the inner cavity of the closed water supply pipe, so that the water gun is limited from spraying water columns.

Optionally, a fixing block is arranged on the outer wall of the water supply pipe, the reset part is a reset torsion spring, the end part of the reset torsion spring is connected to the rotating rod and the fixing block respectively, a limiting block is arranged on the fixing block, a limiting groove is formed in the rotating rod, and when the limiting block is abutted to the side wall of the limiting groove, the inner cavity of the water supply pipe is opened and the reset torsion spring is in a torsion state.

By adopting the technical scheme, when the water blocking block is abutted against and pushes the rotating plate to rotate, the inner cavity of the water supply pipe is closed, and the reset torsion spring is twisted. The piece that blocks water moves to no longer when the rotor plate butt under the effect of water spring, and reduction torsion spring drive dwang and water blocking plate rotate and open to the delivery pipe inner chamber, and stopper and spacing groove restriction water blocking plate further rotate to restriction reduction torsion spring drive water blocking plate rotates to the delivery pipe inner chamber closure.

Optionally, the third trigger mechanism and the fourth trigger mechanism both include a lifting switch, the reduction mechanism includes a lifting deceleration strip and a lifting assembly for controlling the lifting deceleration strip to lift, the blocking mechanism includes a lifting column and a lifting assembly for controlling the lifting column to lift, the lifting assembly includes a lifting motor, a lifting gear fixed on an output shaft of the lifting motor and a lifting rack engaged with the lifting gear, and the lifting switch is used for controlling the starting of the lifting motor.

By adopting the technical scheme, the vehicle exceeding the height limit pushes the height limit beam to be sequentially opened to the two lifting switches, so that the two lifting motors are sequentially started, the two lifting gears are driven to sequentially rotate, and the two lifting racks are enabled to sequentially lift the lifting deceleration strip and the lifting column respectively. The lifting deceleration strip has a speed limiting effect on the vehicle, so that the running speed of the vehicle is reduced. The lifting column acts as a barrier to the vehicle, thereby restricting the vehicle from continuing to pass through to reduce the occurrence of larger loss situations.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a vehicle exceeding the height limit passes through the height limit and load limit device, the vehicle pushes the height limit beam to slide, the height limit beam pulls the control block to ascend through the pulling assembly, so that the switching pieces in the switching grooves with the heights from low to high are sequentially triggered, and then the triggering mechanisms in the switching grooves with different heights are triggered, so that different early warning and speed reducing blocking mechanisms are sequentially started to early warn, slow down and block the vehicle, compared with the height limit frame in the related technology, the vehicle is not easy to directly impact the height limit frame through the mechanism, and therefore the damage to the vehicle and the height limit frame is reduced;

2. when the vehicle exceeding the height limit passes through the height and load limiting device, the vehicle pushes the height limiting beam to pull the balancing weights, the balancing weights are sequentially pulled up along with the continuous advancing of the vehicle, and the advancing resistance of the vehicle is gradually increased to limit the continuous advancing of the vehicle; after the vehicle exits from the height-limiting and load-limiting device, the counterweight block pulls the control block to reset through the drawstring, so that all the trigger mechanisms and the early warning deceleration blocking mechanism are closed, and the control block pulls the limiting beam to reset through the pulling assembly, so that the height-limiting and load-limiting device does not need manual reset, and the use simplicity of the device is improved;

3. when the control block moves to a position where the control block does not abut against the switch piece adjacent to the water blocking block any more, the switch spring resets to enable the switch piece to move towards the control groove, the water blocking block moves towards a direction far away from the rotating plate under the action of the water blocking spring, the water blocking plate rotates to open an inner cavity of a water supply pipe under the action of the reset torsion spring, and a water column is sprayed out of the water gun to warn a driver; when a driver detects that a vehicle driven by the driver exceeds the height limit and exits the height and load limit device, the control block resets to push the switch piece to reset, the trigger part is pressed against the water blocking inclined plane, the end part of the water blocking block is pressed against the rotating part to rotate, and the water blocking block rotates to close the inner cavity of the water supply pipe to block water from being ejected from the water gun.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a schematic partial cross-sectional view of a highlighted control slot of an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 1.

Fig. 4 is an enlarged schematic view at B in fig. 2.

FIG. 5 is a partially schematic, cross-sectional view of a highlighted weight assembly of an embodiment of the present application.

FIG. 6 is a schematic partial cross-sectional view of a highlighted water-blocking block in an embodiment of the present application.

Fig. 7 is a schematic structural diagram highlighting the return torsion spring, the fixing block, and the limiting block in the embodiment of the present application.

FIG. 8 is an exploded view of the highlighted retarding mechanism and blocking mechanism in the embodiment of the present application.

Description of reference numerals: 1. a support bar; 11. a control block; 12. a switch member; 121. a moving part; 122. a trigger section; 123. moving the inclined plane; 124. a switch spring; 13. a control slot; 14. a switch slot; 141. a moving groove; 142. a trigger slot; 15. a water blocking tank; 151. a communicating groove; 152. a reset groove; 16. a ground scale; 17. a signal transmitter; 2. a slide bar; 21. a height limiting beam; 22. a sliding groove; 3. a counterweight assembly; 31. a balancing weight; 311. a slide hole; 312. a limiting hole; 32. a connecting member; 321. a sliding part; 322. a limiting part; 33. drawing the rope; 4. a pulling assembly; 41. a front pull rope; 42. pulling a rope; 43. a transmission member; 431. a large rotating wheel; 432. a small rotating wheel; 433. a connecting rod; 44. a support block; 5. a first early warning mechanism; 51. an alarm horn; 6. A second trigger mechanism; 61. a water blocking block; 611. a water-blocking part; 612. an inclined plane part; 613. a water blocking inclined plane; 62. a water blocking spring; 63. a rotating plate; 64. rotating the rod; 641. a limiting groove; 65. a return torsion spring; 66. a water-blocking plate; 67. a water supply cavity; 7. a second early warning mechanism; 71. a water gun; 72. a water supply pipe; 73. a fixed block; 731. a limiting block; 8. a speed reduction mechanism; 81. lifting a deceleration strip; 82. a lifting assembly; 821. a lifting motor; 822. a lifting gear; 823. a lifting rack; 824. a mounting cavity; 83. a lifting switch; 9. a blocking mechanism; 91. and (4) lifting the column.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses limit for height limit for town road crossing device. Referring to fig. 1 and 2, the height and load limiting device for the municipal road intersection comprises two opposite supporting rods 1, two sliding rods 2 fixed on different supporting rods 1 respectively, a height limiting beam 21 arranged between the two sliding rods 2 in a sliding manner, control blocks 11 arranged in different supporting rods 1 in a sliding manner respectively, a counterweight component 3 used for pulling the control blocks 11 to reset, a switch piece 12 triggered by the control blocks 11, a trigger mechanism triggered by the switch piece 12, and an early warning deceleration blocking mechanism controlled by the trigger mechanism.

Referring to fig. 1, two slide bars 2 and length direction are unanimous, and two slide bars 2 all extend along the driving direction, have all seted up sliding tray 22 on the relative lateral wall of two slide bars 2, and the tip of limit for height roof beam 21 slides respectively and sets up in adjacent sliding tray 22.

Referring to fig. 2 and 3, control grooves 13 are formed in the top walls of the two support rods 1, the control grooves 13 are square and extend in the vertical direction, the cross-sectional shape of the control block 11 is the same as that of the control grooves 13, and the control block 11 is slidably disposed in the control grooves 13. Both the control blocks 11 are connected with a pulling assembly 4, the pulling assembly 4 comprises a front pull rope 41, a rear pull rope 42, a transmission member 43 and a supporting block 44, the transmission member 43 comprises a large rotating wheel 431, a small rotating wheel 432 and a connecting rod 433 connecting the large rotating wheel 431 and the small rotating wheel 432, and the inner diameter of the large rotating wheel 431 is larger than that of the small rotating wheel 432. The supporting block 44 is fixed on the top wall of the supporting rod 1, the connecting rod 433 penetrates through and is rotatably connected on the supporting block 44, the large runner 431 is fixed at one end of the connecting rod 433, and the small runner 432 is fixed at the other end of the connecting rod 433. One end of the front rope 41 is fixed on the height-limiting beam 21, the other end of the front rope 41 is fixed on the large pulley 431, one end of the rear rope 42 is fixed on the control block 11, and the other end of the rear rope 42 is fixed on the small pulley 432. By pulling the assembly 4, the control block 11 is raised a small distance when a vehicle exceeding the limit height pushes the limit height beam 21 forward a large distance.

Referring to fig. 2 and 4, a switch slot 14 is formed on each of the four slot walls of each control slot 13, and the heights of the four switch slots 14 are different. The switch groove 14 is divided into a moving groove 141 and a trigger groove 142 in a direction from the approach of the control groove 13 to the departure of the control groove 13, and the width of the moving groove 141 is larger than the width of the trigger groove 142. The switch member 12 is slidably disposed in the switch slot 14, the switch member 12 includes a moving portion 121 and a triggering portion 122, the moving portion 121 is slidably disposed in the moving slot 141, the triggering portion 122 is slidably disposed in the triggering slot 142, a width of the moving portion 121 is greater than a width of the triggering slot 142, and a moving inclined surface 123 is disposed between an end surface of the moving portion 121 away from the triggering portion 122 and an end surface of the moving portion 121 away from the weight assembly 3.

Referring to fig. 4, the trigger part 122 is sleeved with a switch spring 124, the switch spring 124 extends and contracts along the sliding direction of the switch 12, one end of the switch spring 124 is fixed at the bottom of the moving groove 141, and the other end of the switch spring 124 is fixed at one side of the moving part 121 close to the bottom of the moving groove 141. When the switch spring 124 is in a natural state, the end of the moving portion 121 away from the trigger portion 122 extends into the control groove 13.

Referring to fig. 2 and 4, when a vehicle exceeding the height limit pushes the height limit beam 21 to move, the height limit beam 21 drives the pulling assembly 4 to pull the control block 11 to move, and as the control block 11 is pulled up, the end portions of the moving portions 121 in the low-to-high switch grooves 14 sequentially extend into the control groove 13.

Referring to fig. 2 and 5, the counterweight assembly 3 is disposed at the bottom of the control groove 13, and the counterweight assembly 3 includes four counter weights 31 and a connecting member 32 connecting adjacent counter weights 31. One side of the control block 11 far away from the pulling assembly 4 is connected with a drawstring 33, one end of the drawstring 33 is fixed on the control block 11, and the other end of the drawstring 33 is fixed on the counterweight 31 adjacent to the control block 11. Two sliding holes 311 are formed in each balancing weight 31, a limiting hole 312 penetrates through the bottom of each sliding hole 311, and the sliding holes 311 and the limiting hole 312 extend along the sliding direction of the control block 11.

Referring to fig. 5, the connecting member 32 includes a sliding portion 321 and a limiting portion 322, the sliding portion 321 is slidably disposed in the sliding hole 311, the limiting portion 322 is slidably disposed in the limiting hole 312, and a width of the limiting portion 322 is greater than a width of the limiting hole 312. The sliding part 321 is far away from the end of the limiting part 322 and is in threaded connection with the counterweight 31 located on one side of the control block 11, and through the structure, the assembly and disassembly of the counterweight assembly 3 are facilitated for workers.

Referring to fig. 2 and 5, when the control block 11 is pulled by the pulling assembly 4, the control block 11 pulls the drawstring 33 to pull the weight block 31 adjacent to the control block 11, the weight block 31 pulled by the drawstring 33 drives the connecting member 32 with one end screwed to the weight block 31 to move, and when the connecting member 32 moves to the position-limiting portion 322 to abut against the bottom of the sliding hole 311, the connecting member 32 drives the weight block 31 adjacent to the weight block 31 to move up. As the vehicle that exceeds the limit height continues to advance, the clump weight 31 is successively pulled up to gradually increase the advancing resistance of the vehicle.

Referring to fig. 2 and 4, when a driver detects that a vehicle exceeds a height limit and drives the vehicle to exit from the height and load limiting device, the counterweight 31 pulls the control block 11 to reset through the drawstring 33, the control block 11 is pressed against the moving inclined plane 123 to push each switch 12 to reset, and the control block 11 pulls the height limiting beam 21 to reset through the pulling assembly 4.

Referring to fig. 1 and 2, the trigger mechanisms are respectively disposed in different switch slots 14, and the trigger mechanisms are sequentially divided into a first trigger mechanism, a second trigger mechanism 6, a third trigger mechanism and a fourth trigger mechanism from low to high. The early warning speed reduction blocking mechanism is positioned on one side of the supporting rod 1 close to the adjacent sliding rod 2, and the early warning speed reduction blocking mechanism is sequentially divided into a first early warning mechanism 5, a second early warning mechanism 7, a speed reduction mechanism 8 and a blocking mechanism 9 along the direction from the supporting rod 1 to the direction far away from the supporting rod 1.

Referring to fig. 1 and 4, the first triggering mechanism is used for controlling the first warning mechanism 5, and the first triggering mechanism includes an alarm switch (not shown in the figure) installed at the bottom of the triggering groove 142. The first warning mechanism 5 includes an alarm horn 51, and the alarm horn 51 is mounted on the slide lever 2. When the side wall of the control block 11 presses the switch member 12 adjacent to the alarm switch, the trigger portion 122 of the switch member 12 presses the alarm switch, and the alarm horn 51 is turned off. When the vehicle exceeding the height limit pushes the height limit beam 21 so that the pull-up control block 11 no longer blocks the switch slot 14 with the lowest height, the switch member 12 moves toward the direction approaching the control slot 13 under the action of the switch spring 124, so that the triggering portion 122 no longer abuts against the alarm switch, thereby opening the alarm horn 51 and issuing an alarm to warn the driver.

Referring to fig. 6 and 7, the second trigger mechanism 6 is used for controlling the second early warning mechanism 7, the second trigger mechanism 6 includes a water blocking block 61, a water blocking spring 62, a rotating plate 63, a rotating rod 64, a reset piece and a water blocking plate 66, the reset piece is used for driving the rotating rod 64 to rotate, the reset piece is a reset torsion spring 65, the second early warning mechanism 7 includes a water gun 71 fixed on two sides of a road and a water supply pipe 72 connected with the water gun 71, and a water supply cavity 67 for installing the second trigger mechanism 6 and the water supply pipe 72 is arranged under the ground.

Referring to fig. 6 and 7, the supporting rod 1 is provided with a water blocking groove 15, the water blocking groove 15 is communicated with the water supply cavity 67, the water blocking groove 15 extends along the length direction of the supporting rod 1, the water blocking groove 15 is divided into a communicating groove 151 and a reset groove 152 along the extending direction, and the communicating groove 151 is communicated with the adjacent trigger groove 142. The water blocking block 61 is slidably disposed in the water blocking groove 15, the water blocking block 61 is divided into a water blocking portion 611 and an inclined portion 612 along the length direction thereof, the water blocking portion 611 is slidably disposed in the reset groove 152, the inclined portion 612 is slidably disposed in the communication groove 151, and the width of the water blocking portion 611 is greater than the width of the communication groove 151. The water blocking inclined surface 613 is provided on the end surface of the inclined surface portion 612 away from the water blocking portion 611, and the water blocking inclined surface 613 faces the moving groove 141.

Referring to fig. 2 and 6, the water blocking spring 62 is sleeved on the inclined surface portion 612, the water blocking spring 62 extends and retracts along the sliding direction of the water blocking block 61, one end of the water blocking spring 62 is fixed at the bottom of the reset groove 152, and the other end of the water blocking spring 62 is fixed at the water blocking portion 611. When the side wall of the control block 11 presses against the switch member 12 adjacent to the water blocking block 61, the water blocking spring 62 is in a stretched state.

Referring to fig. 6 and 7, the pivot lever 64 is pivotally connected to the water supply pipe 72, and the pivot plate 63 is fixed to a side wall of the pivot lever 64. A fixing block 73 is fixed on the outer wall of the water supply pipe 72, a limiting block 731 is fixed on one side of the fixing block 73 close to the rotating rod 64, a limiting groove 641 is formed in the rotating rod 64, and the end of the limiting block 731 extends into the limiting groove 641. The reset torsion spring 65 is sleeved on the rotating rod 64, one end of the reset torsion spring 65 is fixed on the rotating rod 64, and the other end of the reset torsion spring 65 is fixed on the fixing block 73. The cross-sectional shape of the water-blocking plate 66 is matched with the cross-sectional shape of the inner cavity of the water supply pipe 72, the water-blocking plate 66 is used for opening and closing the inner cavity of the water supply pipe 72, and the end part of the rotating rod 64 is in threaded connection with the water-blocking plate 66.

Referring to fig. 2 and 6, when the side wall of the control block 11 presses the switch 12 adjacent to the water blocking block 61, the switch 12 pushes the water blocking portion 611 to press the rotating plate 63, and the water blocking plate 66 closes the inner cavity of the water supply pipe 72.

Referring to fig. 6 and 7, when the limiting block 731 abuts against the groove wall of the limiting groove 641, the water blocking plate 66 rotates until the inner cavity of the water supply pipe 72 is opened and the reset torsion spring 65 is in a twisted state.

Referring to fig. 2 and 6, when the vehicle exceeding the height limit pushes the height limit beam 21 and drives the control block 11 to move to the position where the switch 12 adjacent to the water blocking block 61 is no longer pressed, the switch 12 makes the trigger portion 122 no longer press the inclined surface portion 612 under the action of the switch spring 124, and the water blocking spring 62 is reset to pull the water blocking portion 611 to move in the direction away from the rotating plate 63.

Referring to fig. 6 and 7, when the water blocking spring 62 pulls the water blocking portion 611 to no longer press the rotating plate 63, the reset torsion spring 65 drives the rotating rod 64 to rotate to the position-limiting block 731 to abut against the groove wall of the position-limiting groove 641, so that the inner cavity of the water supply pipe 72 is opened, and the water column is ejected from the water gun 71 to warn the driver.

Referring to fig. 2 and 6, when the height and load limiting device is used normally, the trigger portion 122 abuts against the inclined surface portion 612, and the water blocking portion 611 abuts against the rotating plate 63, so that the water blocking plate 66 rotates until the inner cavity of the water supply pipe 72 is closed.

Referring to fig. 4 and 8, each of the third and fourth trigger mechanisms includes a lifting switch 83, and the lifting switches 83 are respectively installed at the bottoms of the adjacent trigger slots 142. Speed reduction mechanism 8 includes lift reduction band 81 and the lift subassembly 82 of control lift reduction band 81 lift, and stop gear 9 includes lift post 91 and the lift subassembly 82 of control lift post 91 lift, subaerial the offering supply lift subassembly 82, lift reduction band 81 and the installation cavity 824 of lift post 91 installation.

Referring to fig. 4 and 8, the lifting assembly 82 includes a lifting motor 821, a lifting gear 822, and a lifting rack 823, the lifting switch 83 is used for controlling the lifting motor 821, the lifting motor 821 is fixed on the cavity wall of the installation cavity 824, the lifting gear 822 is fixed on the output shaft of the lifting motor 821, the lifting rack 823 is engaged with the lifting gear 822, the lifting rack 823 is slidably disposed on the cavity wall of the installation cavity 824 along the vertical direction, an end of the lifting rack 823 of the speed reduction mechanism 8 is fixed on the bottom wall of the lifting deceleration strip 81, and an end of the lifting rack 823 of the blocking mechanism 9 is fixed on the bottom wall of the lifting column 91. When the height and load limiting device is used normally, the top walls of the lifting deceleration strip 81 and the lifting column 91 are flush with the ground.

Referring to fig. 2 and 4, when the vehicle exceeding the height limit pushes the height limit beam 21 and drives the control block 11 to move to the position where the control block no longer presses the switch 12 adjacent to the third trigger mechanism and the fourth trigger mechanism, the two switch 12 make the trigger portion 122 of the switch no longer press the adjacent lifting switch 83 under the action of the switch spring 124, and the two lifting switches 83 are sequentially turned on.

Referring to fig. 4 and 8, after the two lifting switches 83 are turned on successively, the two lifting motors 821 are started successively and drive the lifting speed bump 81 and the lifting columns 91 to be lifted out of the ground successively and then stopped. When a driver perceives that the vehicle exceeds the height limit and exits the height and load limiting device, the two trigger parts 122 successively press the lifting switch 83, the lifting motor 821 of the speed reducing mechanism 8 is started firstly and drives the lifting column 91 to descend until the top wall of the lifting column 91 is flush with the ground and then stops, and the lifting motor 821 of the speed reducing mechanism 8 is started and drives the lifting deceleration strip 81 to descend until the top wall of the lifting deceleration strip 81 is flush with the ground and then stops.

Referring to fig. 1, a floor scale 16 and a signal transmitter 17 are disposed on the ground, and both the floor scale 16 and the signal transmitter 17 are disposed on one side of the support rod 1 away from the sliding rod 2. When the overweight vehicle passes through the ground scale 16, the signal emitter 17 sends a signal to inform the staff to intercept the overweight vehicle.

The embodiment of the application provides a municipal administration road crossing is with limit for height limit for carrying device's implementation principle does: when the vehicle exceeding the height limit passes through the height limit and load limit device, the vehicle is pressed against and pushes the height limit beam 21 to move, and the height limit beam 21 drives the control block 11 to ascend through the pulling assembly 4. As the vehicle continues to move forward, the switch 12 in the low-to-high switch groove 14 sequentially moves under the action of the switch spring 124, the alarm switch is firstly turned on to turn on the alarm horn 51 to send an alarm to warn a driver, then the water blocking part 611 is not pressed against the rotating plate 63, the reset torsion spring 65 drives the water blocking plate 66 to rotate and turn on the inner cavity of the water supply pipe 72, so that the water gun 71 sprays water columns to warn the driver, then the lifting switch 83 of the third trigger mechanism is turned on, the lifting motor 821 of the speed reducing mechanism 8 is started to lift the lifting deceleration strip 81, and finally the lifting switch 83 of the fourth trigger mechanism is turned on, so that the lifting motor 821 of the stop mechanism 9 is started to lift the lifting columns 91. The control block 11 rises and pulls the adjacent counter weight 31 to rise, and along with the rising of the control block 11, the connecting piece 32 pulls the counter weight 31 adjacent to the counter weight 31 to rise, so that the resistance received by the vehicle is increased continuously when the vehicle goes beyond the limit height, and the advancing speed of the vehicle is reduced.

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

1. The utility model provides a municipal administration road crossing is with limit for height limit for tonnage device which characterized in that: comprises a supporting rod (1), a sliding rod (2) extending along the traveling direction is fixed on the supporting rod (1), the sliding rod (2) is provided with a limited high beam (21) in a sliding way, the supporting rod (1) is provided with a control groove (13), a control block (11) is arranged in the control groove (13) in a sliding way, a pulling component (4) is connected on the control block (11), the pulling component (4) is connected with the control block (11) and the height limiting beam (21), a plurality of switch grooves (14) are respectively arranged on each groove wall of the control groove (13), the heights of the switch grooves (14) are different, a switch piece (12) triggered by a control block (11) is arranged in the switch groove (14) in a sliding way, the switch grooves (14) are respectively provided with a trigger mechanism triggered by a switch piece (12), one side of the support rod (1) close to the sliding rod (2) is provided with an early warning deceleration blocking mechanism controlled by a trigger mechanism.

2. The height and load limiting device for the municipal road intersection as claimed in claim 1, wherein: switch groove (14) are removal groove (141) and trigger groove (142) along being close to control groove (13) to the direction of keeping away from control groove (13), switch spare (12) are including sliding setting removal portion (121) in removal groove (141) and sliding setting trigger portion (122) in trigger groove (142), the cover is equipped with switch spring (124) on trigger portion (122), the tank bottom at removal portion (121) and removal groove (141) is connected respectively to the tip of switch spring (124), when switch spring (124) is in natural state, the tip of removal portion (121) stretches into in control groove (13).

3. The height and load limiting device for the municipal road intersection as claimed in claim 2, wherein: one side that pulling subassembly (4) was kept away from in control block (11) is connected with out-of-cable (33), the tank bottom of control groove (13) is provided with counter weight subassembly (3) that are used for pulling out-of-cable (33), the terminal surface that trigger part (122) were kept away from in removal portion (121) and removal portion (121) are kept away from between the terminal surface of counter weight subassembly (3) and are provided with removal inclined plane (123).

4. The height and load limiting device for the municipal road intersection as claimed in claim 3, wherein: the counterweight component (3) comprises a plurality of counterweight blocks (31) and a connecting piece (32) for connecting the adjacent counterweight blocks (31), and one end, far away from the control block (11), of the drawstring (33) is connected to the counterweight block (31) adjacent to the control block (11).

5. The height and load limiting device for the municipal road intersection as claimed in claim 4, wherein: offer on balancing weight (31) along sliding hole (311) that control block (11) slip direction extends, spacing hole (312) have been seted up to the hole bottom of sliding hole (311), connecting piece (32) including slide setting sliding part (321) in spacing hole (312) and slide setting spacing portion (322) in sliding hole (311), the width of spacing portion (322) is greater than the width of spacing hole (312), the end connection that spacing portion (322) were kept away from in sliding part (321) is located on being close to adjacent balancing weight (31) of control block (11) one side.

6. The height and load limiting device for the municipal road intersection as claimed in claim 2, wherein: trigger mechanism is divided into first trigger mechanism, second trigger mechanism (6), third trigger mechanism and fourth trigger mechanism from low to high in proper order, early warning speed reduction blocking mechanism divide into first early warning mechanism (5) through first trigger mechanism control, second early warning mechanism (7) through second trigger mechanism (6) control, speed reduction mechanism (8) through third trigger mechanism control and blocking mechanism (9) through fourth trigger mechanism control in proper order along being close to bracing piece (1) to keeping away from bracing piece (1).

7. The height and load limiting device for the municipal road intersection as claimed in claim 6, wherein: the first triggering mechanism comprises an alarm switch, the first early warning device comprises an alarm horn (51) arranged on the sliding rod (2), and when the side wall of the control block (11) is pressed against a switch piece (12) adjacent to the alarm switch, the triggering portion (122) is pressed against the alarm switch tightly, and the alarm horn (51) is closed.

8. The height and load limiting device for the municipal road intersection as claimed in claim 6, wherein: a water blocking groove (15) communicated with an adjacent switch groove (14) is arranged in the support rod (1), the second early warning mechanism (7) comprises water guns (71) arranged on two sides of a road and a water supply pipe (72) connected with the water guns (71), the second trigger mechanism (6) comprises a water blocking plate (66) used for opening and closing an inner cavity of the water supply pipe (72), a rotating rod (64) rotatably connected to the water supply pipe (72), a rotating plate (63) connected to the rotating rod (64), a water blocking block (61) slidably arranged in the water blocking groove (15), a reset piece used for pulling a water blocking spring (62) of the water blocking block (61) and used for driving the rotating rod (64) to rotate, the end part of the rotating rod (64) is connected with the water blocking plate (66), a water blocking inclined plane (613) is arranged on the end face, far away from the rotating plate (63), of the water blocking block inclined plane (613) faces towards the moving groove (141), when the side wall of the control block (11) is pressed against the switch piece (12) adjacent to the water blocking block (61), the water blocking spring (62) is in a stretching state, the water blocking block (61) is pressed against the rotating plate (63), and the water blocking plate (66) closes the inner cavity of the water supply pipe (72).

9. The height and load limiting device for the municipal road intersection as claimed in claim 8, wherein: be provided with fixed block (73) on the outer wall of delivery pipe (72), the piece that resets is reset torsion spring (65), the tip of reset torsion spring (65) is connected respectively on dwang (64) and fixed block (73), be provided with stopper (731) on fixed block (73), spacing groove (641) have been seted up on dwang (64), during the lateral wall looks butt of stopper (731) and spacing groove (641), delivery pipe (72) inner chamber is opened and reset torsion spring (65) are in torsional state.

10. The height and load limiting device for the municipal road intersection as claimed in claim 6, wherein: the third trigger mechanism and the fourth trigger mechanism both comprise a lifting switch (83), the speed reducing mechanism (8) comprises a lifting assembly (82) for lifting a lifting speed reducing belt (81) and controlling the lifting of the lifting speed reducing belt (81), the blocking mechanism (9) comprises a lifting column (91) and a lifting assembly (82) for controlling the lifting column (91) to lift, the lifting assembly (82) comprises a lifting motor (821), a lifting gear (822) fixed on an output shaft of the lifting motor (821) and a lifting rack (823) meshed with the lifting gear (822), and the lifting switch (83) is used for controlling the lifting motor (821) to start.