CN112746580A - Forced stopping device for large vehicle and forced stopping method thereof - Google Patents
Forced stopping device for large vehicle and forced stopping method thereof Download PDFInfo
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- CN112746580A CN112746580A CN202010903438.6A CN202010903438A CN112746580A CN 112746580 A CN112746580 A CN 112746580A CN 202010903438 A CN202010903438 A CN 202010903438A CN 112746580 A CN112746580 A CN 112746580A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/12—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats
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Abstract
The invention discloses a forced stopping device of a large vehicle and a forced stopping method thereof, relating to the technical field of construction safety roadblocks; comprises a bottom plate, a lifting plate, a plurality of rotating rods, a plurality of control rods, a connecting plate, an indication board, a long hole, a support rod and an energy consumption piece; the control rod is connected with the connecting plate through a plurality of connecting pieces, the upper end of the energy consumption piece is connected to the connecting plate, and the lower end of the energy consumption piece is connected to the bottom plate; the bottom plate comprises a main plate connected with the connecting plate and a friction layer positioned on the lower side of the main plate; the large-scale vehicle forced stopping device comprises a bottom plate, a bottom plate and a brake column, wherein the bottom plate is provided with a through hole, the brake column is connected in the through hole in a sliding mode, and the large-scale vehicle forced stopping device further comprises a driving mechanism used for controlling the brake column to lift. The invention provides a forced stopping device for a large vehicle. After the large vehicle is impacted, the front wheels are lifted, so that the power of the front wheels is lost, and the front wheels are forcibly stopped in the sliding process of the bottom plate.
Description
Technical Field
The invention belongs to the technical field of construction safety roadblocks, and particularly relates to a forced stopping device for a large vehicle and a forced stopping method thereof.
Background
In road construction, in order to ensure the life safety of workers, roadblocks need to be arranged on the road.
Although the roadblock is arranged, in an emergency, a driver still can rush over the roadblock due to carelessness, so that the life safety of workers is threatened, and particularly, large vehicles cannot be stopped immediately due to large size, and are more dangerous.
The existing vehicle stop is only suitable for small vehicles and cannot play a role in large vehicles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a large vehicle forced stopping device and a forced stopping method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a forced stopping device for a large vehicle comprises a bottom plate, a lifting plate used for lifting a front wheel, a plurality of rotating rods used for driving the lifting plate to move, a plurality of control rods used for lifting the front wheel by the lifting plate after being impacted by a vehicle head, a connecting plate used for connecting the rotating rods and the control rods, an indication board positioned on the control rods, long holes positioned on the connecting plate, supporting rods penetrating through the long holes, and energy consumption pieces with the length being extended or shortened after the control rods rotate; the lower end of the control rod is connected to the connecting plate, one end of the rotating rod, far away from the control rod, is connected with the lifting plate, one end of the rotating rod, near the control rod, is connected with the supporting rod, the middle of the rotating rod is rotatably connected with the connecting plate, the connecting plate is rotatably connected with the bottom plate, the control rod is connected with the connecting plate through a plurality of connecting pieces, the upper end of the energy consumption piece is connected to the connecting plate, and the lower end of the energy consumption piece is connected to the bottom plate; the bottom plate comprises a main plate connected with the connecting plate and a friction layer positioned on the lower side of the main plate; the large-scale vehicle forced stopping device comprises a bottom plate, a bottom plate and a brake column, wherein the bottom plate is provided with a through hole, the brake column is connected in the through hole in a sliding mode, and the large-scale vehicle forced stopping device further comprises a driving mechanism used for controlling the brake column to lift.
Preferably, one end of the bottom plate, which is far away from the lifting plate, is rotatably connected with a roller.
Preferably, the energy consumption piece comprises a cylinder body, a piston rod with one end inserted in the cylinder body, and a return spring for returning the piston rod.
Preferably, the lower end of the brake post is provided with an inclined surface which is gradually inclined downwards towards one side of the roller.
Preferably, the driving mechanism comprises a bracket positioned on the bottom plate, a wheel post penetrating through the bracket, a rotating shaft the lower end of which penetrates through the wheel post, a pressure spring enabling the roller to abut against the ground, a damping sleeve sleeved on the rotating shaft, damping oil positioned between the damping sleeve and the rotating shaft, a friction mechanism providing friction between the damping sleeve and the rotating shaft, a pull wire with one end connected to the damping sleeve, a containing wheel rotatably connected to the control rod and used for winding the pull wire, an air hole positioned on the cylinder body, a second cylinder body positioned on the bottom plate, a second piston slidably connected in the second cylinder body, a second air hole positioned on the second cylinder body, an air pipe used for connecting the air hole and the second air hole, a detection mechanism used for detecting the pulling force of the pull wire, and a valve mechanism positioned on the air pipe and connected with; the roller is fixedly connected with the rotating shaft, one end of the pull wire, far away from the damping sleeve, is fixedly connected with the storage wheel, and the upper end of the brake column is connected to the second piston.
Preferably, the damping sleeve comprises a damping section with an inner diameter matched with the outer diameter of the rotating shaft and a supporting section with an inner diameter larger than the outer diameter of the rotating shaft, and the damping oil is positioned between the damping section and the rotating shaft; the friction mechanism comprises a thimble with one end inserted on the supporting section, a second friction layer positioned at one end of the thimble close to the rotating shaft, and a jacking spring used for jacking the second friction layer on the rotating shaft.
Preferably, the valve mechanism comprises a valve body positioned on the control rod, an air inlet positioned in the valve body, an air outlet positioned on the valve body, a first chute positioned between the air inlet and the air outlet, a valve core connected in the first chute in a sliding manner, a second via hole positioned on the valve core and used for communicating the air inlet with the air outlet, a driving spring used for driving the valve core so as to communicate the air inlet with the air outlet, a clamping groove positioned on one side of the valve core, a second chute positioned on the valve body, a control plate with one end connected in the second chute in a sliding manner, a third via hole positioned on the control plate and used for the valve core to pass through, a clamping head positioned on one side of the third via hole and used for clamping with the clamping groove, and a matching; the detection mechanism is connected with the control panel, and the air pipe comprises a first section for connecting the air hole and the air inlet and a first section for connecting the air outlet and the second air hole.
Preferably, the detection mechanism comprises a second bracket which is connected to the control rod in a sliding mode and used for extruding the control plate so as to enable the clamping head and the clamping groove to be separated, and a second return spring used for returning the second bracket; the containing wheel is rotatably connected to the second support, and the second support is abutted against one end, far away from the second sliding groove, of the control plate.
Preferably, the forced parking method of the forced stopping device of the large vehicle comprises the following specific steps:
step a: the front wheel of the advancing vehicle rolls over the lifting plate, and the head of the vehicle impacts the indicator;
step b: the control panel rotates under the impact of the vehicle head to drive the connecting plate to rotate;
step c: under the action of the connecting plate, the energy consumption piece is shortened, and the vehicle is buffered;
step d: under the action of the connecting plate, the front wheels are lifted by the lifting plate, and simultaneously, the bottom plate can rub on the ground to advance under the inertia action of the vehicle;
step e: the vehicle is stopped.
Preferably, in the step d, when the bottom plate moves forward, the roller rolls on the ground and drives the rotating shaft to rotate, the damping sleeve rotates under the action of the friction mechanism, the stay wire is continuously wound on the damping sleeve, the stay wire on the storage wheel is continuously reduced, and the storage wheel rotates under the action of the stay wire;
in step e, the vehicle stops in three conditions;
case 1: when the vehicle stops, the containing wheel is still wound with the pull wire;
case 2: when the release of the pull wire on the storage wheel is finished, the vehicle is still in an advancing state and the speed is less than 30km/h, the roller still rolls on the ground and advances, relative rotation is generated between the rotating shaft and the damping sleeve, under the action of damping oil, damping force exists between the rotating shaft and the damping sleeve, the larger the relative rotating speed between the rotating shaft and the damping sleeve is, the larger the damping force is, under the action of the damping oil, the pull wire pulls the storage wheel, the second support extrudes the control panel, the chuck is not separated from the clamping groove, and finally the vehicle stops;
case 3: when the pull wire on the storage wheel is released, the vehicle is still in an advancing state and the speed is more than 30km/h, the second support extrudes the control plate, the chuck and the clamping groove are separated, the gas in the energy consumption piece enters the second cylinder body, the brake column is downwards inserted into the ground, the resistance of the bottom plate advancing on the ground is further improved, and finally the vehicle stops.
The invention has the beneficial effects that: the invention provides a forced stopping device for a large vehicle. After the large vehicle is impacted, the front wheels are lifted, so that the power of the front wheels is lost, and the front wheels are forcibly stopped in the sliding process of the bottom plate.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of a vehicle after impact;
FIG. 4 is a partial schematic view of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is an enlarged view of fig. 4 at B.
In the figure: the device comprises a bottom plate 1, a lifting plate 2, a rotating rod 3, a connecting plate 4, a control rod 5, an indicator 6, a long hole 7, a supporting rod 8, an energy consumption piece 9, a main plate 10, a friction layer 11, a cylinder 12, a piston rod 13, a return spring 14, a support 15, a wheel column 16, a rotating shaft 17, a damping sleeve 18, a pull wire 19, a pressure spring 20, a through hole 21, a brake column 22, a receiving wheel 23, a second cylinder 24, a second piston 25, an air hole 26, a second air hole 27, an air pipe 28, an ejector pin 29, a second friction layer 30, a damping section 31, a support section 32, an annular limiting groove 33, a valve body 34, an air inlet 35, an air outlet 36, a first sliding groove 37, a valve core 38, a second through hole 39, a driving spring 40, a second sliding groove 41, a control plate 42, a clamping groove 43, a third through hole 44, a clamping head 45, a matching spring 46, a first section 47, a second section 48, Connecting piece 53, and abutting spring 54.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
example (b):
referring to fig. 1 to 6, a large vehicle forced locking device includes a bottom plate 1, a lifting plate 2 for lifting front wheels, a plurality of rotating rods 3 for driving the lifting plate 2 to move, a plurality of control rods 5 for lifting the front wheels by the lifting plate 2 after being impacted by a vehicle head, a connecting plate 4 for connecting the rotating rods 3 and the control rods 5, an indication board 6 positioned on the control rods 5, a long hole 7 positioned on the connecting plate 4, a support rod 8 penetrating through the long hole 7, and an energy dissipation member 9 for extending or shortening the length of the control rod 5 after rotating;
the lower end of the control rod 5 is connected to the connecting plate 4, one end of the rotating rod 3, far away from the control rod 5, is connected with the lifting plate 2, one end of the rotating rod 3, close to the control rod 5, is connected with the supporting rod 8, the middle of the rotating rod 3 is rotatably connected with the connecting plate 4, the connecting plate 4 is rotatably connected with the bottom plate 1, the control rod 5 is connected with the connecting plate 4 through a plurality of connecting pieces 53, the upper end of the energy consumption piece 9 is connected to the connecting plate 4, and the lower end of the energy consumption piece 9 is connected to the bottom plate 1;
the soleplate 1 comprises a main plate 10 connected with the connecting plate 4 and a friction layer 11 positioned at the lower side of the main plate 10. The friction layer 11 is made of rubber.
The bottom plate 1 is provided with a via hole 21, a brake column 22 is connected in the via hole 21 in a sliding manner, and the large vehicle forced stopping device further comprises a driving mechanism for controlling the brake column 22 to lift. The end of the bottom plate 1 far away from the lifting plate 2 is rotatably connected with a roller 52. The lower end of the brake post 22 is provided with a slope 51, which slope 51 is gradually inclined downwards towards the side of the roller 52.
The energy consumption member 9 comprises a cylinder 12, a piston rod 13 with one end inserted in the cylinder 12, and a return spring 14 for returning the piston rod 13.
The driving mechanism comprises a bracket 15 positioned on the bottom plate 1, a wheel post 16 penetrating through the bracket 15, a rotating shaft 17 with the lower end penetrating through the wheel post 16, a pressure spring 20 enabling a roller 52 to abut against the ground, a damping sleeve 18 sleeved on the rotating shaft 17, damping oil positioned between the damping sleeve 18 and the rotating shaft 17, a friction mechanism providing friction force between the damping sleeve 18 and the rotating shaft 17, a pull wire 19 with one end connected to the damping sleeve 18, a containing wheel 23 rotatably connected to the control rod 5 and used for winding the pull wire 19, an air hole 26 positioned on the cylinder body 12, a second cylinder body 24 positioned on the bottom plate 1, a second piston 25 slidably connected in the second cylinder body 24, a second air hole 27 positioned on the second cylinder body 24, an air pipe 28 used for connecting the air hole 26 and the second air hole 27, a detection mechanism used for detecting the tension of the pull wire 19, and a valve mechanism positioned on the air pipe 28 and connected;
the roller 52 is fixedly connected with the rotating shaft 17, one end of the pull wire 19, which is far away from the damping sleeve 18, is fixedly connected with the storage wheel 23, and the upper end of the brake column 22 is connected to the second piston 25.
The damping sleeve 18 is provided with an annular limiting groove 33 for limiting the pull wire 19. The receiving wheel 23 is provided with an annular limiting groove 33 for limiting the pull wire 19.
The damping sleeve 18 comprises a damping section 31 with the inner diameter matched with the outer diameter of the rotating shaft 17 and a supporting section 32 with the inner diameter larger than the outer diameter of the rotating shaft 17, and the damping oil is positioned between the damping section 31 and the rotating shaft 17;
the friction mechanism comprises an ejector pin 29 with one end inserted on the support section 32, a second friction layer 30 positioned at one end of the ejector pin 29 close to the rotating shaft 17, and a jacking spring 54 for jacking the second friction layer 30 on the rotating shaft 17. The friction mechanism has the following functions: when the rotary shaft 17 rotates, a force is provided to the damping sleeve 18 only for winding the wire 19.
The valve mechanism comprises a valve body 34 positioned on the control rod 5, an air inlet 35 positioned in the valve body 34, an air outlet 36 positioned on the valve body 34, a first sliding groove 37 positioned between the air inlet 35 and the air outlet 36, a valve core 38 connected in the first sliding groove 37 in a sliding manner, a second through hole 39 positioned on the valve core 38 and used for communicating the air inlet 35 with the air outlet 36, a driving spring 40 used for driving the valve core 38 to communicate the air inlet 35 with the air outlet 36, a clamping groove 43 positioned on one side of the valve core 38, a second sliding groove 41 positioned on the valve body 34, a control plate 42 with one end connected in the second sliding groove 41 in a sliding manner, a third through hole 44 positioned on the control plate 42 and used for allowing the valve core 38 to pass through, a clamping head 45 positioned on one side of the third through hole 44 and used for clamping groove 43 to be clamped, and a matching spring;
the detection mechanism is connected to the control panel 42, and the air tube 28 includes a first section 47 for connecting the air hole 26 and the air inlet 35, and a second section 48 for connecting the air outlet 36 and the second air hole 27.
The detection mechanism comprises a second bracket 49 which is connected with the control rod 5 in a sliding way and is used for pressing the control plate 42 so as to disengage the clamping head 45 from the clamping groove 43, and a second return spring 50 which is used for returning the second bracket 49;
the storage wheel 23 is rotatably connected to a second bracket 49, and the second bracket 49 abuts against one end of the control plate 42 away from the second chute 41.
A forced parking method of a forced stopping device of a large vehicle comprises the following specific steps:
step a: the front wheels of the advancing vehicle roll over the lifting plate 2, and the head of the vehicle impacts the indicator board 6;
step b: the control plate 42 rotates under the impact of the vehicle head to drive the connecting plate 4 to rotate;
step c: under the action of the connecting plate 4, the energy consumption piece 9 is shortened, and the vehicle is buffered; the air pressure in the cylinder 12 rises and the return spring 14 shortens; the air in the cylinder 12 cannot pass to the second cylinder 24 under the action of the valve mechanism;
step d: under the action of the connecting plate 4, the front wheels are lifted up by the lifting plate 2, and meanwhile, under the action of inertia of the vehicle, the bottom plate 1 can rub and advance on the ground; when the bottom plate 1 advances, the roller 52 rolls on the ground and advances, the roller 52 drives the rotating shaft 17 to rotate, the damping sleeve 18 rotates under the action of the friction mechanism, the stay wire 19 is continuously wound on the damping sleeve 18, the stay wires 19 on the storage wheel 23 are continuously reduced, and the storage wheel 23 rotates under the action of the stay wires 19;
step e: the vehicle is stopped.
The vehicle stops in three situations;
case 1: when the vehicle stops, the containing wheel 23 is still wound with the pull wire 19;
case 2: when the base plate 1 advances 80m on the ground, the take-up wheel 23 finishes releasing the wire 19. When the release of the pull wire 19 on the storage wheel 23 is finished, the vehicle is still in a forward state and the speed is less than 30km/h, the roller 52 still rolls on the ground to advance, relative rotation is generated between the rotating shaft 17 and the damping sleeve 18, under the action of damping oil, damping force exists between the rotating shaft 17 and the damping sleeve 18, the larger the relative rotating speed between the rotating shaft 17 and the damping sleeve 18 is, the larger the damping force is, under the action of the damping force, the pull wire 19 pulls the storage wheel 23, the second bracket 49 slides on the control rod 5, and the second bracket 49 extrudes the control plate 42, but because the relative rotating speed between the rotating shaft 17 and the damping sleeve 18 is small, the pulling force of the pull wire 19 is small, the second return spring 50 extends, but the pulling force of the chuck 45 and the clamping groove 43 is not enough to be separated, and finally the vehicle stops under the action of the;
case 3: when the base plate 1 advances 80m on the ground, the take-up wheel 23 finishes releasing the wire 19. When the release of the pull wire 19 on the storage wheel 23 is finished, the vehicle is still in a forward state and the speed is more than 30km/h, because the damping force on the damping sleeve 18 is large, the second bracket 49 extrudes the control plate 42, the chuck 45 and the clamping groove 43 are separated, the valve core 38 moves towards the groove bottom of the first sliding groove 37 under the action of the driving spring 40, finally the second through hole 39 connects the air inlet 35 and the air outlet 36, the high-pressure air in the cylinder body 12 enters the second cylinder body 24, the brake column 22 is downwards inserted into the ground (the road surface is soft and easy to be inserted when the road foundation is constructed), the forward resistance of the bottom plate 1 on the ground is further improved, and finally the vehicle stops.
This stop device is forced to oversize vehicle still has folding function, as long as the connecting piece 53 uninstallation between control lever 5 and connecting plate 4 partly, and connecting piece 53 adopts the bolt, leaves a bolt between every control lever 5 and the connecting plate 4, and at this moment, control lever 5 just can rotate to fold control lever 5 and bull stick 3 together, bracing piece 8 can remove in slot 7, thereby can change this stop device is forced to oversize vehicle's height, has further improved the portability.
The damping oil can be made of silicon oil with high viscosity.
Claims (10)
1. A forced stopping device for a large vehicle is characterized by comprising a bottom plate, a lifting plate, a plurality of rotating rods, a plurality of control rods, a connecting plate, an indicating plate, a long hole, a supporting rod and an energy consumption piece, wherein the lifting plate is used for lifting a front wheel;
the lower end of the control rod is connected to the connecting plate, one end of the rotating rod, far away from the control rod, is connected with the lifting plate, one end of the rotating rod, near the control rod, is connected with the supporting rod, the middle of the rotating rod is rotatably connected with the connecting plate, the connecting plate is rotatably connected with the bottom plate, the control rod is connected with the connecting plate through a plurality of connecting pieces, the upper end of the energy consumption piece is connected to the connecting plate, and the lower end of the energy consumption piece is connected to the bottom plate;
the bottom plate comprises a main plate connected with the connecting plate and a friction layer positioned on the lower side of the main plate;
the large-scale vehicle forced stopping device comprises a bottom plate, a bottom plate and a brake column, wherein the bottom plate is provided with a through hole, the brake column is connected in the through hole in a sliding mode, and the large-scale vehicle forced stopping device further comprises a driving mechanism used for controlling the brake column to lift.
2. The large vehicle positive stop device according to claim 1, wherein a roller is rotatably connected to an end of the bottom plate remote from the lifting plate.
3. The large vehicle forced stopping device according to claim 2, wherein the energy consuming member comprises a cylinder, a piston rod having one end inserted into the cylinder, and a return spring for returning the piston rod.
4. The large vehicle positive stop device according to claim 1, wherein the lower end of the brake post is provided with a slope which is gradually inclined downward toward one side of the roller.
5. The large vehicle positive locking device according to claim 3, wherein the driving mechanism comprises a bracket on the base plate, a wheel post penetrating through the bracket, a rotating shaft having a lower end penetrating through the wheel post, a pressure spring for urging the roller against the ground, a damping sleeve fitted over the rotating shaft, damping oil between the damping sleeve and the rotating shaft, a friction mechanism for providing a friction force between the damping sleeve and the rotating shaft, a pull wire having one end connected to the damping sleeve, a receiving wheel rotatably connected to the control rod for winding the pull wire, an air hole on the cylinder body, a second cylinder body on the base plate, a second piston slidably connected in the second cylinder body, a second air hole on the second cylinder body, an air pipe for connecting the air hole and the second air hole, a detection mechanism for detecting a pulling force of the pull wire, and a valve mechanism on the air pipe and connected to the detection mechanism;
the roller is fixedly connected with the rotating shaft, one end of the pull wire, far away from the damping sleeve, is fixedly connected with the storage wheel, and the upper end of the brake column is connected to the second piston.
6. The large vehicle forced stopping device according to claim 5, wherein the damping sleeve comprises a damping section having an inner diameter adapted to an outer diameter of the rotating shaft, and a support section having an inner diameter larger than the outer diameter of the rotating shaft, and the damping oil is located between the damping section and the rotating shaft;
the friction mechanism comprises a thimble with one end inserted on the supporting section, a second friction layer positioned at one end of the thimble close to the rotating shaft, and a jacking spring used for jacking the second friction layer on the rotating shaft.
7. The large vehicle positive stop device according to claim 5, wherein the valve mechanism includes a valve body on the control lever, an air inlet in the valve body, an air outlet in the valve body, a first slide groove between the air inlet and the air outlet, a spool slidably connected in the first slide groove, a second via hole in the spool for connecting the air inlet and the air outlet, a driving spring for driving the spool to connect the air inlet and the air outlet, a notch on one side of the spool, a second slide groove in the valve body, a control plate having one end slidably connected in the second slide groove, a third via hole in the control plate for the spool to pass through, a chuck on one side of the third via hole for clamping with the notch, and a fitting spring connected to the control plate for keeping the chuck and the notch fitted;
the detection mechanism is connected with the control panel, and the air pipe comprises a first section for connecting the air hole and the air inlet and a first section for connecting the air outlet and the second air hole.
8. The large vehicle positive stop device according to claim 7, wherein the detecting means comprises a second bracket slidably coupled to the control lever for pressing the control plate to disengage the chuck and the catching groove, a second return spring for returning the second bracket;
the containing wheel is rotatably connected to the second support, and the second support is abutted against one end, far away from the second sliding groove, of the control plate.
9. A forced parking method of a large vehicle forced stopping apparatus according to any one of claims 1 to 8, characterized by comprising the steps of:
step a: the front wheel of the advancing vehicle rolls over the lifting plate, and the head of the vehicle impacts the indicator;
step b: the control panel rotates under the impact of the vehicle head to drive the connecting plate to rotate;
step c: under the action of the connecting plate, the energy consumption piece is shortened, and the vehicle is buffered;
step d: under the action of the connecting plate, the front wheels are lifted by the lifting plate, and simultaneously, the bottom plate can rub on the ground to advance under the inertia action of the vehicle;
step e: the vehicle is stopped.
10. The forced parking method of a large vehicle forced stopping device according to claim 9, wherein in the step d, when the bottom plate advances, the roller rolls on the ground and advances, the roller drives the rotating shaft to rotate, the damping sleeve rotates under the action of the friction mechanism, the pulling wire is continuously wound on the damping sleeve, the pulling wire on the storage wheel is continuously reduced, and the storage wheel rotates under the action of the pulling wire;
in step e, the vehicle stops in three conditions;
case 1: when the vehicle stops, the containing wheel is still wound with the pull wire;
case 2: when the release of the pull wire on the storage wheel is finished, the vehicle is still in an advancing state and the speed is less than 30km/h, the roller still rolls on the ground and advances, relative rotation is generated between the rotating shaft and the damping sleeve, under the action of damping oil, damping force exists between the rotating shaft and the damping sleeve, the larger the relative rotating speed between the rotating shaft and the damping sleeve is, the larger the damping force is, under the action of the damping oil, the pull wire pulls the storage wheel, the second support extrudes the control panel, the chuck is not separated from the clamping groove, and finally the vehicle stops;
case 3: when the pull wire on the storage wheel is released, the vehicle is still in an advancing state and the speed is more than 30km/h, the second support extrudes the control plate, the chuck and the clamping groove are separated, the gas in the energy consumption piece enters the second cylinder body, the brake column is downwards inserted into the ground, the resistance of the bottom plate advancing on the ground is further improved, and finally the vehicle stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010903438.6A CN112746580B (en) | 2020-09-01 | 2020-09-01 | Forced stopping device for large vehicle and forced stopping method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010903438.6A CN112746580B (en) | 2020-09-01 | 2020-09-01 | Forced stopping device for large vehicle and forced stopping method thereof |
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| CN112746580A true CN112746580A (en) | 2021-05-04 |
| CN112746580B CN112746580B (en) | 2021-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281096A (en) * | 2021-07-02 | 2021-08-20 | 浙江安防职业技术学院 | Drilling and coring equipment for traffic pavement quality detection |
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