CN216269277U - Vehicle emergency stop device under abnormal condition - Google Patents
Vehicle emergency stop device under abnormal condition Download PDFInfo
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- CN216269277U CN216269277U CN202122516463.1U CN202122516463U CN216269277U CN 216269277 U CN216269277 U CN 216269277U CN 202122516463 U CN202122516463 U CN 202122516463U CN 216269277 U CN216269277 U CN 216269277U
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Abstract
The utility model discloses a vehicle emergency stop device under abnormal conditions, which comprises a primary brake mechanism consisting of a stock rail and a brake rail and a secondary brake mechanism consisting of a damping buffer stop device, wherein when an escaping vehicle enters a brake area, the brake rail on the inner side of the stock rail automatically clamps the inner side surface of a train wheel set, the running speed of the vehicle is forced to be reduced to 0km/h, and the speed brake of 5km/h by continuously hanging three vehicles can be realized; when the speed of the train is too high and the train breaks through the primary clamping brake, the secondary brake mechanism synchronously intercepts and brakes at the wheel pair and the coupler of the free vehicle until the free vehicle is braked and stopped before the earth block, and the speed brake of 15km/h can be realized when 1 train is continuously hung. According to the utility model, by scientific theoretical calculation and combination of mechanical braking, hydraulic pressure and spring damping technology, emergency braking of the unexpected slide vehicle within the shortest distance is realized, accidents caused by collision of the earth barriers of the lines in the vehicle section are completely eradicated, the social benefit is remarkable, and the method has good popularization and application values.
Description
Technical Field
The utility model relates to the field of rail transit vehicle control, in particular to a vehicle emergency stop device under abnormal conditions.
Background
At present, each station section of a railway, a goods yard and the tail end of a station line are generally braked by arranging an earth block to brake a runaway vehicle caused by improper operation, and a hydraulic buffer vehicle stopper is additionally arranged in front of the earth block by a certain unit. Although the braking mode can intercept the runaway vehicle to a certain extent, under the condition of overhigh speed, the vehicle still can rush over the vehicle stopper under the action of inertia force to further impact the earth shield, so that D-type accidents such as shunting conflict, shunting derailment, turnout extrusion, shunting collision and the like are caused, huge economic loss is brought to each railway unit, and casualties are caused. At present, no more reliable braking device exists to prevent such accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that D-type accidents are frequently caused due to the fact that a reliable braking device is not arranged in a rail transit vehicle section, and provides an emergency vehicle stopping device under the abnormal condition.
The purpose of the utility model is realized by the following technical scheme:
an emergency stop device for vehicles under abnormal conditions comprises a mechanical brake device, wherein a damping buffer vehicle stop device is arranged between the mechanical brake device and a soil block;
the mechanical braking device comprises a stock rail, a braking rail is arranged on the inner side of the stock rail, the braking rail is higher than the stock rail, and a gap is reserved between the stock rail and the braking rail.
The damping buffer car stopping device is detachably connected with the stock rail and comprises a hydraulic damping mechanism acting on a coupler of the slip-and-slip vehicle and a copying brake shoe mechanism acting on a wheel pair of the slip-and-slip vehicle.
Preferably, the hydraulic damping mechanism comprises a first clamping plate detachably connected with the stock rail, a hydraulic cylinder is arranged at the top of the first clamping plate, and a coupler contact plate is arranged at the end part of a hydraulic rod of the hydraulic cylinder.
Furthermore, profile modeling brake shoe mechanism includes the second splint of being connected with the stock rail can be dismantled, and profile modeling brake shoe is rigid coupling in second splint top, is equipped with damping spring between profile modeling brake shoe and the first splint.
The gap between the brake rail and the stock rail is designed according to a 1:100 inclination within the range of 4 meters in length so as to realize the gradual increase of the braking force.
Furthermore, the distance between the soil stopper and the damping buffer vehicle stopper device is 1.5-2.5 meters.
Furthermore, the distance between one end of the brake rail, which is far away from the damping buffer car blocking device, and the front end face of the soil block is 8 meters, and the length of the brake rail is 3 meters.
Furthermore, vehicle emergency stop device still includes induction type audible and visual alarm under the abnormal conditions, and this induction type audible and visual alarm locates the stock rail outside to keep away from soil fender one end coplanar with the braking rail. When the runaway vehicle reaches the position of the brake rail, the inductive audible and visual alarm is automatically triggered, so that the operating personnel can be reminded to carry out emergency operation at the first time, and casualty accidents are avoided.
Furthermore, the induction type audible and visual alarm is powered by solar energy.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model comprises a primary braking mechanism consisting of a stock rail and a braking rail and a secondary braking mechanism consisting of a damping buffer car stopping device, when an escape vehicle enters a braking area, the braking rail positioned at the inner side of the stock rail can automatically clamp the inner side surface of a train wheel pair, the running speed of the vehicle is forced to be reduced from 5km/h to 0km/h, and the speed braking of 5km/h when three vehicles are hung in a linkage manner can be realized through the primary clamping braking; when the speed of the train is too high and the train breaks through the primary clamping brake, the secondary brake mechanism synchronously and continuously intercepts and brakes at the wheel pair and the coupler of the runaway vehicle until the runaway vehicle is braked and stopped before the earth shield, so that the speed brake of 15km/h of 1 train coupling can be realized, and the occurrence of class D accidents of a train section is avoided.
2. The utility model also provides an inductive audible and visual alarm which is arranged outside the stock rail and is coplanar with the end part of the brake rail far away from the soil block. When the runaway vehicle reaches the position of the brake rail, the induction type audible and visual alarm is automatically triggered, so that the operating personnel can be reminded to carry out emergency operation at the first time, and casualty accidents are avoided.
3. The applicant obtains inertia force under the running speed of 3 coupling vehicles at 5km/h and 1 coupling vehicle at 15km/h through rigorous theoretical calculation, provides necessary scientific basis for the design and research and development of the braking device, and then combines mechanical braking, hydraulic pressure and spring damping technology to realize emergency braking of the unexpected slide vehicle in the shortest distance, thoroughly avoids accidents caused by collision of road soil barriers in the vehicle section, has remarkable social benefit and has good popularization and application values.
Drawings
FIG. 1 is a schematic structural view of an emergency stop device for a vehicle according to an abnormal situation of the present invention;
reference numerals: 1. a stock rail; 2. braking the rail; 3. a wheel set; 4. a second splint; 5. profiling brake shoes; 6. a damping spring; 7. a first splint; 8. a hydraulic cylinder; 9. a coupler contact plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the emergency stop device for a vehicle under an abnormal condition, provided by the utility model, comprises a mechanical brake device, wherein a damping buffer stop device is arranged between the mechanical brake device and a soil stopper, and the soil stopper and the damping buffer stop device are separated by 1.5-2.5 meters. The mechanical braking device comprises a stock rail 1, a braking rail 2 is arranged on the inner side of the stock rail 1, the braking rail 2 is higher than the stock rail 1, and a gap between the stock rail 1 and the braking rail 2 is designed according to a slope of 1:100 within the range of 4 meters in length so as to realize gradual increase of braking force. The distance between one end of the brake rail 2, which is far away from the damping buffer car stopping device, and the front end face of the soil block is 8 meters, and the length of the brake rail 2 is 3 meters.
The damping buffer stop device is detachably connected with the stock rail 1 and comprises a hydraulic damping mechanism acting on a coupler of the slip vehicle and a copying brake shoe mechanism acting on a wheel pair 3 of the slip vehicle. The hydraulic damping mechanism comprises a first clamping plate 7 detachably connected with the stock rail 1, a hydraulic cylinder 8 is arranged at the top of the first clamping plate 7, and a coupler contact plate 9 is arranged at the end part of a hydraulic rod of the hydraulic cylinder 8. The profiling brake shoe mechanism comprises a second clamping plate 4 detachably connected with the stock rail 1, a profiling brake shoe 5 is fixedly connected to the top of the second clamping plate 4, and a damping spring 6 is arranged between the profiling brake shoe 5 and the first clamping plate 7.
The emergency braking device for the unexpected slip of the train further comprises an induction type audible and visual alarm, wherein the induction type audible and visual alarm is arranged on the outer side of the basic rail 1, is powered by the solar power generation DC12V and is coplanar with the end part of the braking rail 2, which is far away from the soil block. When the runaway vehicle reaches the position of the brake rail 2, the inductive audible and visual alarm is automatically triggered, so that the operating personnel can be reminded to carry out emergency operation at the first time, and casualty accidents are avoided.
When the train slips and enters an emergency braking area due to an accident, the induction type audible and visual alarm is automatically triggered, so that the operating personnel can be reminded of emergency operation at the first time, and casualty accidents are avoided. Meanwhile, the brake rail 2 positioned on the inner side of the stock rail 1 can automatically clamp the inner side surface of the train wheel set 3, and the running speed of the vehicle is forced to be reduced from 5km/h to 0 km/h; when the speed of the train is too high, the train breaks through the primary clamping brake, the secondary brake mechanism synchronously and continuously intercepts and brakes the wheel pair 3 and the car coupler of the slide and slide vehicle, the wheel pair 3 is braked by using the profiling brake shoe 5 and the damping spring 6, the car coupler is braked by using the hydraulic cylinder through the car coupler contact plate 9, when the impact force of the slide and slide vehicle exceeds the maximum bearing capacity of the damping buffer car stop device, the clamping plate on the basic rail 1 overcomes the friction resistance to drive the whole device to move backwards, the impact force of the slide and slide vehicle is further absorbed and eliminated, and the slide and slide vehicle is braked and stopped before the earth shield.
According to the utility model, by scientific theoretical calculation and combination of mechanical braking, hydraulic pressure and spring damping technology, emergency braking of the unexpected slide vehicle within the shortest distance is realized, accidents caused by collision of the earth barriers of the lines in the vehicle section are completely eradicated, the social benefit is remarkable, and the method has good popularization and application values.
Claims (8)
1. The emergency vehicle stopping device under the abnormal condition is characterized by comprising a mechanical braking device, wherein a damping buffer vehicle stopping device is arranged between the mechanical braking device and a soil stopper;
the mechanical braking device comprises a stock rail, a braking rail is arranged on the inner side of the stock rail, the braking rail is higher than the stock rail, and a gap is reserved between the stock rail and the braking rail;
the damping buffer car stopping device is detachably connected with the stock rail and comprises a hydraulic damping mechanism acting on a coupler of the slip-and-slip vehicle and a copying brake shoe mechanism acting on a wheel pair of the slip-and-slip vehicle.
2. An emergency vehicle parking system as claimed in claim 1 wherein the hydraulic damping mechanism comprises a first clamp plate detachably connected to the stock rail, the first clamp plate having a hydraulic cylinder at a top thereof, the hydraulic cylinder having a coupler contact plate at a hydraulic rod end thereof.
3. An emergency vehicle parking system as claimed in claim 2 wherein the profiled brake shoe mechanism includes a second clamping plate detachably connected to the rail, the profiled brake shoe being fixedly secured to the top of the second clamping plate, and a damping spring being disposed between the profiled brake shoe and the first clamping plate.
4. An emergency vehicle stopping device according to claim 1 wherein the gap between the braking rail and the stock rail is designed at a 1:100 pitch over a 4 meter length.
5. An emergency stop device for vehicle as claimed in claim 1, wherein the distance between the earth block and the damping buffer stop device is 1.5-2.5 m.
6. The emergency stop device for vehicle as claimed in claim 1, wherein the distance between the end of the braking rail far away from the damping buffer device and the front end of the earth shield is 8 m, and the length of the braking rail is 3 m.
7. An emergency vehicle stopping device according to any one of claims 1 to 6 wherein the emergency vehicle stopping device further comprises an inductive audible and visual alarm disposed outside the stock rail and coplanar with the end of the brake rail distal from the ground shield.
8. An emergency stop device for vehicle as claimed in claim 7, wherein the inductive audible and visual alarm is powered by solar energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516463.1U CN216269277U (en) | 2021-10-19 | 2021-10-19 | Vehicle emergency stop device under abnormal condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516463.1U CN216269277U (en) | 2021-10-19 | 2021-10-19 | Vehicle emergency stop device under abnormal condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216269277U true CN216269277U (en) | 2022-04-12 |
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ID=81070980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122516463.1U Active CN216269277U (en) | 2021-10-19 | 2021-10-19 | Vehicle emergency stop device under abnormal condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216269277U (en) |
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2021
- 2021-10-19 CN CN202122516463.1U patent/CN216269277U/en active Active
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