CN115163732A - Vehicle separation grating with protection function - Google Patents
Vehicle separation grating with protection function Download PDFInfo
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- CN115163732A CN115163732A CN202210935395.9A CN202210935395A CN115163732A CN 115163732 A CN115163732 A CN 115163732A CN 202210935395 A CN202210935395 A CN 202210935395A CN 115163732 A CN115163732 A CN 115163732A
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- piston
- supporting
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- 238000000926 separation method Methods 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 46
- 238000007906 compression Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 210000000056 organ Anatomy 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 42
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 210000003813 thumb Anatomy 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 29
- 239000003795 chemical substances by application Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 2
- 230000002669 organ and tissue protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
Abstract
The invention discloses a vehicle separation grating with a protection function, which comprises a main body, mounting lugs, a second piston, a first dovetail guide rail, a first groove, a water spray nozzle, a dustproof cover, a first unthreaded hole, a first compression spring, a supporting tube, a supporting plate, a first organ protection cover, a second organ protection cover, a buffering part and a detection part, wherein the left end and the right end of the two main bodies are arranged in parallel, the front end and the rear end of the bottom of the two main bodies are respectively fixed with the horizontal mounting lugs, and the front end of the two main bodies is fixed with the horizontal second piston. The invention can primarily absorb the impact force of the vehicle body by utilizing the elastic compression of the third compression spring and the air sealed by the third piston and the first through hole and the second unthreaded hole, and can realize the partial safe release of the impact force by utilizing the outward discharge of the air sealed by the third piston and the first through hole and the second unthreaded hole when the impact force of the vehicle body is large enough, and the first piston can extrude the liquid fire extinguishing agent in the first groove indirectly due to the impact force.
Description
Technical Field
The invention relates to a vehicle separation grating, in particular to a vehicle separation grating with a protection function.
Background
The vehicle separation grating is used as an induction device working by utilizing the photoelectric principle, and has the characteristics of quick response, strong anti-interference performance, high safety and the like, so that the vehicle separation grating is widely used in places needing to detect vehicles, such as a high-speed toll station, a vehicle overrun detection station and the like. The conventional vehicle separation grating does not have a good protection function, when a vehicle is easily damaged after collision, and the conventional vehicle separation grating needs a certain time for replacement or maintenance, the normal operation of detection operation is seriously influenced within the time, the vehicle separation grating is not suitable for being used in an environment with overhigh suspended objects in the air due to the photoelectric principle, particularly for the outdoor vehicle separation grating, when the outdoor vehicle separation grating meets weather such as heavy fog or rainfall, water drops in the air can interfere the normal propagation of infrared rays in the vehicle separation grating, so that the detection accuracy is influenced, the conventional solution is to build a permanent rain shielding building above the outdoor vehicle separation grating, so that the rainwater interference is prevented, but the outdoor vehicle separation grating can only stop working temporarily, and meanwhile, the circuit is prevented from being damaged due to the fact that the fog enters the interior of the vehicle separation grating, manual bagging and the like are needed, and certain inconvenience is caused.
Disclosure of Invention
The invention aims to provide a vehicle separation grating with a protection function to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vehicle separation grating with a protection function comprises a main body, mounting lugs, a second piston, a first dovetail guide rail, a first groove, water spray nozzles, a dustproof cover, a first unthreaded hole, a first compression spring, a support tube, a support plate, a first organ protection cover, a second organ protection cover, a buffer part and a detection part, wherein the left part and the right part of the main body are arranged in parallel, the front end and the rear end of the bottom of the main body are respectively fixed with a horizontal mounting lug, the front end of the main body is fixed with a horizontal second piston, the left end and the right end of the front part of the main body are respectively fixed with a horizontal first dovetail guide rail, the left part and the right part of the main body are respectively provided with a horizontal first groove, the left part and the right part of the top end are respectively fixed with water spray nozzles, and the front parts of the first grooves are respectively communicated with the outside, the water spray nozzles are respectively communicated with inner cavities of the water spray nozzles, the water spray nozzles are respectively inclined towards the front upper part of the main body, the front parts of the water spray nozzles are respectively hinged with a dustproof cover, the calibers of the water spray nozzles are smaller than the calibers of the first groove, three vertical first unthreaded holes are respectively formed in the front parts of the main body, a vertical first compression spring is respectively fixed at the top end of each unthreaded hole and is respectively connected with a vertical supporting tube in a sliding mode, a horizontal supporting plate is respectively fixed at the bottom parts of the supporting tubes in the front parts of the two main bodies, the top ends of the supporting tubes are respectively fixed with the bottom ends of the first compression springs, a horizontal first organ protection cover is respectively fixed at the left part and the right part of the two main bodies, a horizontal second organ protection cover is fixed at the upper part of the front end of the two main bodies, and a buffer part and a detection part are installed at the front parts of the two main bodies.
On the basis of the technical scheme, the buffering part comprises a main sliding seat, a first supporting seat, a second supporting seat, a worm, a hexagonal column, a first piston, an idler wheel, a second unthreaded hole, a third unthreaded hole, a first through hole, a second dovetail guide rail, a third through groove, a third compression spring, a damper, a third piston, a second polished rod, a push plate and a secondary sliding seat, wherein the main body is respectively and slidably connected with the horizontal main sliding seat through a dovetail guide rail, the rear end of the first supporting seat and the rear end of the second supporting seat are respectively provided with the vertical first supporting seat and the vertical second supporting seat, the front part of the first supporting seat is respectively and rotatably connected with the vertical worm, the top end of the worm is respectively and coaxially fixed with the vertical hexagonal column, the rear end of the first supporting seat and the rear end of the second supporting seat are respectively and fixedly provided with the horizontal first piston, the bottom of the main sliding seat is respectively and rotatably connected with a plurality of horizontal idler wheels, the front part of the dovetail is respectively provided with the horizontal unthreaded hole, the third unthreaded hole, the second through hole, the horizontal push plate and the second through hole are respectively and the horizontal push plate, the front part of the horizontal push plate and the horizontal push plate are respectively and the horizontal push plate are fixedly provided with the third through hole.
On the basis of the technical scheme, the detection part is including accomodating groove, back shaft, worm wheel, base, clamp plate, controller, installation cavity, support frame, no. two through grooves, heat dissipation through groove, mounting bracket, no. five unthreaded holes, no. four unthreaded holes, brake step motor, thumb wheel, dial claw, transmitter, receiver, two the main part front portion is equipped with the horizontally accomodating groove respectively, two accomodate the groove front portion and rotate respectively and be connected with horizontally back shaft, two the back shaft axial fixation respectively has the worm wheel, and axial fixation respectively has vertical base, two base bottom rear portion is fixed with vertical clamp plate respectively, and rear end upper portion do not is fixed with vertical controller, two base upper portion is equipped with the installation cavity respectively, and the top is fixed with vertical support frame respectively, two adjacent part of support frame runs through respectively has No. two through grooves, and is equipped with a plurality of heat dissipation through grooves respectively, two vertical mounting bracket is installed respectively in the support frame middle part vertical mounting bracket, two support frame upper portion and support frame bottom do not circumference equal angle division have four horizontally five unthreaded holes and four coaxial rotor shaft, two fixed mounting bracket and two coaxial motor fixed shaft are installed respectively and the rotor shaft is located the outer circumference between the horizontal mounting bracket, two coaxial angle of the step motor is pegged graft respectively and the installation of the horizontal installation claw and the horizontal installation of the handle.
On the basis of the technical scheme, the first through hole penetrates through the second unthreaded hole and the third unthreaded hole, the rear portions of the two third unthreaded holes are respectively communicated with the third through groove, the two third unthreaded holes are converged towards the common middle front of the two main bodies, the two second through holes respectively penetrate through the two main sliding seats, the third unthreaded hole, the third compression spring, the damper, the second through hole and the second dovetail guide rail in the front portions of the two main sliding seats are respectively parallel to each other, the fifth unthreaded hole and the fourth unthreaded hole are vertically and symmetrically arranged relative to the middle of the sealing plate and are in one-to-one correspondence with each other from top to bottom, a horizontal tension spring is respectively fixed at the bottom of each fourth unthreaded hole, four vertical sealing plates are respectively circumferentially and angularly mounted on the two supporting frames, a horizontal fifth unthreaded rod is respectively fixed on the upper portion and the lower portion of each sealing plate, each fifth unthreaded rod is respectively in sliding connection with the fifth unthreaded hole, each sealing plate is respectively fixed with the tail end of the corresponding tension spring, and a humidity sensor and an inclination sensor are respectively mounted at the top end of the controller.
On the basis of the technical scheme, the two second pistons are respectively connected with the two second unthreaded holes in a sealing and sliding mode and can slide back and forth along the two second unthreaded holes, the two main sliding seats can slide back and forth along the first dovetail guide rail, each first piston is respectively connected with each first groove in a sealing and sliding mode and can slide back and forth along the first groove, each dustproof cover can completely seal each water spray nozzle under the action of gravity, each supporting tube can slide up and down along the first unthreaded hole, the rear end of the first supporting seat and the rear end of the second supporting seat are respectively fixed with the front end of the first organ protection cover, the front end of the second organ protection cover is fixed with the upper portion of the main sliding seat, and the first organ protection cover and the second organ protection cover can be folded back and forth in a telescopic mode, two the worm can mesh mutually with two worm wheels, each the gyro wheel can carry out the fore-and-aft rotation, two vice sliding seat can carry out the horizontal slip along No. two forked tail guide rails, two No. three the piston respectively with No. two unthreaded holes looks sealing sliding connection, and can slide along No. two unthreaded holes levels, the piston rod of attenuator can contract fast, and can slowly stretch out, two No. two the unthreaded rod respectively with No. two through-hole looks sliding connection, and can slide along No. two through-holes levels, no. five the unthreaded rod can slide along No. five unthreaded holes levels, two the closing plate in the support frame outside can carry out umbelliform horizontal migration through the sliding connection of No. five polished rods and No. five unthreaded holes.
On the basis of the technical scheme, no. three pistons can be totally closed to a through hole when No. three compression spring is deformed, no. three pistons are relieved to sealing to a through hole when No. three compression spring elastic compression extremely reaches, it is low to accomodate anterior high and rear portion in inslot wall bottom, the worm utilizes through manual rotation and can drive back shaft and base and carry out the forward and backward rotation with the meshing of worm wheel, the worm breaks away from and can follow the back shaft and rotate backward under the action of gravity of clamp plate, controller, humidity transducer and angular transducer with the meshing back base of worm wheel, the base rotates backward and finally is in the in-process of horizontality and can make the clamp plate upwards promote the push pedal, the push pedal can make a compression spring carry out elastic shrinkage when upwards promoted by the clamp plate, two the stirring wheel of both sides about the support frame and the stirring claw of circumference outer wall on upper and lower direction one-to-one, rotate through driving the stirring wheel when brake step motor circular telegram rotates and utilizes the stirring claw to outwards utilize the polishing rod along No. five smooth holes, be located left controller is located two stirring wheel, two sensors of brake step motor connection control inclination sensors and two infrared ray emitter and each other side electric control receiver and two electric transmitters and two electric shock receiver connection of the horizontal state are located the horizontal receiver and infrared ray are connected to pass through the horizontal receiver and the horizontal receiver.
Compared with the prior art, the invention has the following advantages: the invention can primarily absorb the impact force of the vehicle body by utilizing the elastic compression of the third compression spring and the air sealed by the third piston and the first through hole and the second through hole, can realize the partial safe release of the impact force by utilizing the outward discharge of the air sealed by the third piston and the first through hole and the second through hole when the impact force of the vehicle body is large enough, can indirectly extrude the first piston to the liquid fire extinguishing agent in the first groove due to the impact force, can absorb the impact force again and release the impact force through the sprayed liquid fire extinguishing agent, and can reduce the risk of the vehicle body catching fire by utilizing the sprayed liquid fire extinguishing agent, thereby realizing good impact protection function, avoiding the situation that the emitter and the receiver cannot normally work for a long time due to impact to a certain degree, and the brake stepping motor capable of automatically rotating under the indirect control of the inclination angle sensor and the humidity sensor can automatically and timely retract the unfolded sealing plate under the elastic tension of the tension spring, thereby automatically realizing the waterproof and moisture-proof protection by utilizing the sealing and attaching of the traditional support frame, and avoiding the trouble of manual operation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the main body of the present invention.
FIG. 3 is a schematic diagram of a right sectional structure of the main body of the present invention after being engaged with the main sliding seat.
FIG. 4 is a schematic view of the combination of the first compression spring and the support tube according to the present invention.
FIG. 5 is a schematic structural diagram of the main sliding seat of the present invention.
Fig. 6 is a bottom sectional view of the main sliding seat of the present invention.
FIG. 7 is a schematic view of the sealing plate and the supporting frame of the present invention.
FIG. 8 is a schematic view of the right side cross-sectional structure of the base and the supporting frame of the present invention.
FIG. 9 is a schematic view of the mounting bracket and receiver of the present invention.
In the figure: 1. a main body, 2, a mounting lug, 3, a second piston, 4, a first dovetail guide rail, 5, a first groove, 6, a water nozzle, 7, a dustproof cover, 8, a first unthreaded hole, 9, a first compression spring, 10, a supporting tube, 11, a supporting plate, 12, a first organ protective cover, 13, a second organ protective cover, 14 and a buffer part, 15, a detection part, 16, a main sliding seat, 17, a first support seat, 18, a second support seat, 19, a worm, 20, a hexagonal column, 21, a first piston, 22, a roller, 23, a second unthreaded hole, 24, a third unthreaded hole, 25, a first through hole, 26, a second through hole, 27, a second dovetail guide rail, 28, a third through groove, 29, a third compression spring, 30, a damper, 31, a third piston, 32, a second polish rod, 33, a push plate, 34, an auxiliary sliding seat, 35, a containing groove, 36, a supporting shaft, 37, a worm gear, 38, a base, 39, a pressing plate, 40, a controller, 41, an installation cavity, 42, a supporting frame, 43, a second through groove, 44, a heat dissipation through groove, 45, an installation frame, 46, a fifth polish hole, 47, a fourth polish hole, 48, a brake stepping motor, 49, a poking wheel, 50, a poking claw, 51, a transmitter, 52, a receiver, 53, a tension spring, 54, a sealing plate, 55, a fifth polish rod, 56, a humidity sensor, 57 and an inclination angle sensor.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in figures 1-9, a vehicle separation grating with protection function comprises a main body 1, mounting lugs 2, a second piston 3, a first dovetail guide rail 4, a first groove 5, water spray nozzles 6, a dust cover 7, a first unthreaded hole 8, a first compression spring 9, support pipes 10, a support plate 11, a first organ protection cover 12, a second organ protection cover 13, a buffer part 14 and a detection part 15, wherein the two main bodies 1 are arranged side by side left and right, the front and rear ends of the bottom of the two main bodies 1 are respectively fixed with the horizontal mounting lugs 2, the front ends of the two main bodies are fixed with the horizontal second piston 3, the left and right ends of the front parts of the two main bodies 1 are respectively fixed with the horizontal first dovetail guide rail 4, the left and right parts of the two main bodies 1 are respectively provided with the horizontal first groove 5, the left and right parts of the top ends of the two main bodies are respectively fixed with the water spray nozzles 6, the front parts of the first groove 5 are respectively communicated with the outside, the inner cavities of the water spray nozzles 6 are respectively communicated with the inner cavities of the water spray nozzles 6, the front parts of the two main bodies 1 are respectively connected with the horizontal water spray nozzles 6, the vertical water spray from the bottom of the supporting pipes 10 to the vertical water spray nozzles 6, the supporting pipes 10, the vertical water spray from the bottom of the supporting springs 10 to the vertical water spray nozzles 6, the vertical water spray nozzles 10, the supporting pipes 10 are respectively, the vertical springs, the supporting pipes 10, the vertical water spray nozzles 6 are respectively fixed with the vertical water spray the vertical springs, the vertical water spray nozzles 10, and a horizontal second organ protection cover 13 is fixed on the upper part of the front end, the first organ protection cover 12 is used for carrying out dustproof protection on the first groove 5 and the first piston 21, the second organ protection cover 13 is used for carrying out dustproof protection on the second unthreaded hole 23 and the second piston 3, and a buffering part 14 and a detection part 15 are installed on the front part of the main body 1.
The buffer part 14 comprises a main sliding seat 16, a first supporting seat 17, a second supporting seat 18, a worm 19, a hexagonal column 20, a first piston 21, a roller 22, a second unthreaded hole 23, a third unthreaded hole 24, a first through hole 25, a second through hole 26, a second dovetail guide rail 27, a third through groove 28, a third compression spring 29, a damper 30, a third piston 31, a second unthreaded rod 32, a push plate 33 and an auxiliary sliding seat 34, wherein the two main bodies 1 are respectively connected with the horizontal main sliding seat 16 in a sliding way through a first dovetail guide rail 4, the rear ends of the two main sliding seats 16 are respectively provided with the vertical first supporting seat 17 and the vertical second supporting seat 18, the front parts of the two first supporting seats 17 are respectively connected with the vertical worm 19 in a rotating way, the top ends of the two worms are respectively and coaxially fixed with the vertical hexagonal column 20, the rear ends of the first supporting seat 17 and the rear ends of the second supporting seats 18 are respectively fixed with the horizontal first piston 21, the bottom parts of the two main sliding seats 16 are respectively and rotatably connected with a plurality of horizontal rollers 22, the front parts of the two main sliding seats are respectively provided with a second horizontal unthreaded hole 23, a third unthreaded hole 24, a first through hole 25 and a second through hole 26, the rollers 22 are used for vertically supporting the main sliding seats 16 in the sliding process, the top ends of the two main sliding seats 16 are respectively and fixedly provided with a second horizontal dovetail guide rail 27, the rear parts of the two second through holes 26 are respectively and fixedly provided with a third horizontal through groove 28, the rear ends of the inner walls of the two third unthreaded holes 24 are respectively and fixedly provided with a third horizontal compression spring 29 and a damper 30, the front ends of the third compression spring 29 and the damper 30 are jointly and fixedly provided with a third horizontal piston 31, the two second through holes 26 are respectively and slidably connected with a second horizontal polished rod 32, and the front parts of the second polished rod 32 and the third piston 31 are jointly and fixedly provided with a vertical push plate 33, the push plates 33 are used for contacting with a vehicle body and conducting impact force of the vehicle body to the polish rod 32 II of the piston III 31 and the auxiliary sliding seat 34 well, and the auxiliary sliding seats 34 are fixed on the upper portions of the two push plates 33 respectively.
The detection part 15 comprises a containing groove 35, a supporting shaft 36, a worm wheel 37, a base 38, a pressing plate 39, a controller 40, a mounting cavity 41, a supporting frame 42, a second through groove 43, a heat dissipation through groove 44, a mounting frame 45, a fifth unthreaded hole 46, a fourth unthreaded hole 47, a brake stepping motor 48, a toggle wheel 49, a toggle claw 50, a transmitter 51 and a receiver 52, wherein the front parts of the two main bodies 1 are respectively provided with a horizontal containing groove 35, the front parts of the two containing grooves 35 are respectively and rotatably connected with the horizontal supporting shaft 36, the two supporting shafts 36 are respectively and axially fixed with the worm wheel 37, and are respectively fixed with a vertical base 38 axially, the rear parts of the bottom ends of the two bases 38 are respectively fixed with a vertical pressure plate 39, and the upper parts of the rear ends are respectively fixed with a vertical controller 40, the upper parts of the two bases 38 are respectively provided with a mounting cavity 41, and the top ends are respectively fixed with a vertical supporting frame 42, the adjacent parts of the two supporting frames 42 are respectively penetrated with a second through groove 43, and a plurality of heat dissipation through grooves 44 are respectively arranged, the second through groove 43 is used for facilitating the transmission of infrared rays, the middle parts of the two support frames 42 are respectively provided with a vertical mounting rack 45, the upper parts of the two support frames 42 and the bottom parts of the support frames 42 are respectively provided with a five-number unthreaded hole 46 and a four-number unthreaded hole 47 with four horizontal circumferences at equal angles, the bottom ends of the inner walls of the two mounting cavities 41 and the top ends of the two mounting racks 45 are respectively fixed with a vertical brake stepping motor 48, the rotating shafts of the two brake stepping motors 48 are respectively inserted with the mounting rack 45 at intervals, and its pivot coaxial fixed with thumb wheel 49 respectively, two the outer circumferential wall of thumb wheel 49 circumference equiangular fixed with four horizontally to dial claw 50 respectively, is located the left side position mounting bracket 45 is installing a plurality of horizontally transmitters 51, is located the right side position mounting bracket 45 is installing a plurality of horizontally receivers 52.
The first through hole 25 penetrates through the second through hole 23 and the third through hole 24, the rear portions of the two third through holes 24 are respectively communicated with the third through groove 28, the two third through holes 24 converge towards the common middle front of the two main bodies 1, the two second through holes 26 respectively penetrate through the two main sliding seats 16, the third through hole 24, the third compression spring 29, the damper 30, the second through hole 26 and the second dovetail guide rail 27 in the front portions of the two main sliding seats 16 are respectively parallel, the fifth through hole 46 and the fourth through hole 47 are vertically and symmetrically arranged in comparison with the middle of the sealing plate 54 and are vertically and correspondingly arranged one by one, a horizontal tension spring 53 is respectively fixed at the bottom of each fourth through hole 47, four vertical sealing plates 54 are respectively installed on the two supporting frames 42 at equal angles on the circumference, a horizontal fifth through hole 55 is respectively fixed on the upper portion and the lower portion of each sealing plate 54, each fifth through hole 55 is respectively connected with the fifth through sliding, each sealing plate 54 is respectively fixed with the tail end of the corresponding tension spring 53, and an inclination angle sensor 40 and a humidity sensor 57 are respectively installed on the top end of the sealing plate 54.
The two second pistons 3 are respectively connected with the two second unthreaded holes 23 in a sealing sliding mode and can slide back and forth along the two second unthreaded holes 23, the two main sliding seats 16 can slide back and forth along the first dovetail guide rail 4, each first piston 21 is respectively connected with each first groove 5 in a sealing sliding mode and can slide back and forth along the first groove 5, each dustproof cover 7 can completely seal each water spray nozzle 6 under the action of gravity, so that the water spray nozzles 6 are protected from dust and evaporation of liquid fire extinguishing agents from the water spray nozzles 6 is reduced, each supporting tube 10 can slide up and down along the first unthreaded hole 8, the rear ends of the first supporting seats 17 and the rear ends 17 of the second supporting seats are respectively fixed with the front end of the first protective cover 12, and the front end of the second protective cover 13 is fixed with the upper portion of the main sliding seat 16, the first organ protection cover 12 and the second organ protection cover 13 can be folded in a front-back telescopic manner, the two worms 19 can be meshed with the two worm wheels 37, the rollers 22 can rotate in a front-back manner, the two auxiliary sliding seats 34 can horizontally slide along the second dovetail guide rail 27, the two pistons 31 are respectively connected with the two smooth holes 24 in a sealing manner and can horizontally slide along the two smooth holes 24, the piston rod of the damper 30 can be quickly contracted and can slowly extend out, the two polish rods 32 are respectively connected with the two through holes 26 in a sliding manner and can horizontally slide along the two through holes 26, the No. five polish rod 55 can horizontally slide along the No. five smooth hole 46, and the sealing plates 54 on the outer side of the support frame 42 can horizontally move in an umbrella shape through the sliding connection between the No. five polish rod 55 and the No. five smooth hole 46.
When the third compression spring 29 is not deformed, the third piston 31 can completely seal the first through hole 25, when the third compression spring 29 is elastically compressed to the extreme, the third piston 31 releases the sealing of the first through hole 25, the front part of the bottom end of the inner wall of the accommodating groove 35 is high and the rear part of the inner wall of the accommodating groove 35 is low, so that rainwater can be conveniently discharged from the rear part of the accommodating groove 35, the worm 19 can drive the support shaft 36 and the base 38 to rotate back and forth by meshing with the worm wheel 37 through manual rotation, so that the angle of the base 38 can be conveniently adjusted, the worm 19 is separated from the meshing rear base 38 with the worm wheel 37, the support shaft 36 can rotate backwards under the gravity action of the pressure plate 39, the controller 40, the humidity sensor 56 and the inclination sensor 57, the pressure plate 39 can push the push plate 33 upwards in the process of backwards rotating and finally being in the horizontal state, the push plate 33 can enable the first compression spring 9 to elastically contract when being pushed upwards by the pressure plate 39, the two support frames 42 can push the upper and lower poke the pawls 50 of the upper and lower outer walls of the push plate to push the corresponding to the left, the humidity sensor 50 can drive the stepping motor 48 and the stepping motor 48 to control the stepping motor 48 to rotate the humidity sensor 48, so that the stepping motor 48 and the stepping motor 48 are connected to the stepping motor 48, the two controllers 40 are respectively externally connected with a power supply, the sealing plate 54 always tends to be in sealing fit with the outer wall of the supporting frame 42 under the elastic pulling of the tension spring 53, and the horizontal infrared rays emitted by the emitter 51 can pass through the second through groove 43 on the right side of the emitter and are received by the receivers 52.
The working principle of the invention is as follows: when the device is used, the device is placed on two sides of a passing direction, the passing direction can only point to the rear of the main body 1, then expansion bolts are utilized to be jointly inserted with the mounting lugs 2 and the ground, so that the device is mounted, initially, the worm 19 is meshed with the worm wheel 37, the base 38 and the support frame 42 are kept in a vertical state, the first groove 5 is filled with liquid fire extinguishing agent, in normal work, each poking wheel 49 enables the poking claw 50 on the outer circumferential wall of the poking wheel 49 to poke the fifth polish rod 55 outwards along the fifth polish hole 46 under the action of the brake stepping motor 48, so that each sealing plate 54 is separated from the sealing joint with the support frame 42 and is unfolded like an umbrella, at the moment, the receiver 52 can receive infrared rays emitted by the emitter 51, when a vehicle normally passes between the two main bodies 1, the vehicle body can block the infrared rays emitted by the emitter 51, and the corresponding receiver 52 cannot receive the infrared rays, then, the detection function is realized, when the vehicle deviates in the traveling direction in front of the main sliding seat 16 and collides with the device, the vehicle body pushes the push plate 33, the push plate 33 moves backwards along the direction of the second dovetail guide rail 27 by utilizing the sliding connection between the third piston 31 and the third unthreaded hole 24, the sliding connection between the second through hole 26 and the second unthreaded hole 32 and the sliding connection between the auxiliary sliding seat 34 and the second dovetail guide rail 27, the third compression spring 29 is extruded in the moving process, the impact force of the vehicle body is absorbed by utilizing the elastic repulsion force of the third compression spring 29, when the impact force is small, the third compression spring 29 cannot elastically contract to the utmost, the third piston 31 always seals the first through hole 25 in the moving process, and therefore, the air in the first through hole 25 and the second unthreaded hole 23 cannot be discharged under the influence of the sealing sliding connection between the second piston 3 and the second unthreaded hole 23, therefore, only a small compression can be performed, so the main sliding seat 16 cannot slide backward along the first dovetail guide rail 4 to a large extent, and at the same time, when the air in the first through hole 25 and the second through hole 23 is compressed, a part of impact force can be absorbed, and when the impact force is large enough, the third compression spring 29 is compressed to the utmost, the third piston 31 releases the sealing of the first through hole 25, so the air compressed in the first through hole 25 and the second through hole 23 is released to the outside through the first through hole 25 and the third through hole 24, so the main sliding seat 16 loses the air obstruction, and can slide backward along the first dovetail guide rail 4 to a large extent, and along with the large sliding of the main sliding seat 16, the first piston 21 extrudes the liquid fire extinguishing agent in the first groove 5 and finally forces the sealing of the dust-proof cover 7 to be sprayed out of the water spray nozzle 6, at the moment, the pressure of the sprayed liquid fire extinguishing agent is improved by utilizing the caliber difference between the water spray nozzle 6 and the first slot 5, and the impact force is absorbed again and released safely, and the premise of causing the phenomenon is that the impact force of the vehicle body is large enough, so that the collision generated at the contact part of the vehicle body and the push plate 33 has certain fire catching risk, the liquid fire extinguishing agent sprayed from the water spray nozzle 6 can spray the vehicle body at the position, thereby reducing the fire catching risk, and the third compression spring 29 has the rebound tendency after being elastically compressed, therefore, the use of the damper 30 can avoid the quick rebound of the third compression spring 29, thereby avoiding the serious damage caused by the quick rebound of the vehicle body by the third compression spring 29, and when the main sliding seat 16 slides backwards along the first dovetail guide rail 4, the worm 19 is disengaged from the worm wheel 37, then the base 38 rotates backwards along with the supporting shaft 36 under the action of the gravity of the pressing plate 39, the controller 40, the humidity sensor 56 and the tilt sensor 57, and finally the supporting frame 42, the emitter 51 and the receiver 52 are all located in the accommodating groove 35, so as to achieve a certain protection function for the emitter 51 and the receiver 52, and along with the rotation of the base 38, the pressing plate 39, the supporting plate 11 and the supporting tube 10 can be used for extruding the first compression spring 9, so as to buffer the rotation of the base 38, and avoid the damage caused by the too fast rotation of the base 38, and along with the rotation of the base 38, the tilt sensor 57 at the top end of the controller 40 senses the change of the angle to automatically control the rotation of the brake stepping motor 48, so as to release the pushing of the fifth polish rod 55 by the poking claw 50, and further to enable each sealing plate 54 to recover the sealing fit with the supporting frame 42 under the elastic pulling of the tension spring 53, thereby avoiding the pollution of the liquid fire extinguishing agent to the emitter 51 and the receiver 52 when the fire extinguishing agent is sprayed out, and the normally unfolded sealing plate 54 can lead the external air to freely circulate between the heat dissipation through grooves 44, thereby achieving good heat dissipation effect, and when the fire extinguishing agent meets the heavy fog or the rainy weather, the humidity sensor 56 can sense the great increase of the humidity and control the action of the brake stepping motor 48 through the controller 40, thereby automatically releasing the poking of the poking claw 50 to the No. five polished rod 55, further realizing the automatic sealing and jointing of the sealing plate 54, thereby forming the moisture-proof protection to the receiver 52 and the emitter 51, avoiding the trouble of the traditional manual operation, after the collided vehicle is moved to other places, manually pushing the push plate 33 to lead the No. three compression springs 29 to be in the extremely elastic compression state again, and then manually pulling the main sliding seat 16 to reset and then loosening the push of the push plate 33, at this time, the worm 19 is engaged with the worm wheel 37 again, and then the hexagonal cylinder 20 is manually rotated by a tool such as a handle to restore the base 38 to the original state, and then the liquid extinguishing agent is replenished into the first tank 5 through the water nozzle 6 to continue the normal use.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (6)
1. The utility model provides a vehicle separation grating with protect function, includes main part (1), installation ear (2), no. two pistons (3), a forked tail guide rail (4), a groove (5), water spout (6), shield (7), unthreaded hole (8), a compression spring (9), stay tube (10), backup pad (11), organ safety cover (12), no. two organ safety covers (13), buffer part (14), detect part (15), its characterized in that: the two main bodies (1) are arranged in parallel from left to right, horizontal mounting lugs (2) are fixed at the front and rear ends of the bottoms of the two main bodies (1) respectively, a horizontal second piston (3) is fixed at the front end of each main body, horizontal dovetail guide rails (4) are fixed at the left and right ends of the front part of the two main bodies (1), horizontal first grooves (5) are arranged at the left and right parts of the two main bodies (1), water nozzles (6) are fixed at the left and right parts of the top ends of the two main bodies respectively, the front part of each first groove (5) is communicated with the outside and is communicated with the inner cavity of each water nozzle (6) respectively, each water nozzle (6) inclines towards the front upper part of the main body (1) respectively, a dustproof cover (7) is hinged to the front part of the water nozzles respectively, the caliber of each water nozzle (6) is smaller than the caliber of the first groove (5), three vertical first unthreaded holes (8) are formed at the front part of each main body (1), a vertical first unthreaded hole (8) is formed at the top end of each unthreaded hole (8), a vertical compression spring (9) is fixed at the top end of each unthreaded hole (8), a vertical compression spring (10) is connected with a vertical support tube (10) in a sliding manner, a support plate (10) is fixed at the bottom of each horizontal support plate (10) fixed at the left and right of the support tube (1), and right parts of the support plate (10) respectively, and two supporting plate (10) is fixed with the bottom of each horizontal supporting plate (1) respectively, a horizontal supporting plate (12) fixed at the bottom of each main body (1), and a horizontal second organ protection cover (13) is fixed at the upper part of the front end, and a buffer part (14) and a detection part (15) are installed at the front parts of the two main bodies (1).
2. The vehicle separation grating with the protection function according to claim 1, characterized in that: buffer portion (14) include main sliding seat (16), a supporting seat (17), no. two supporting seats (18), worm (19), hexagonal post (20), a piston (21), gyro wheel (22), no. two unthreaded holes (23), no. three unthreaded holes (24), a through-hole (25), no. two through-holes (26), no. two forked tail guide rails (27), no. three logical groove (28), no. three compression spring (29), attenuator (30), no. three piston (31), no. two polished rod (32), push pedal (33), vice sliding seat (34), two main part (1) is respectively sliding connection through a forked tail guide rail (4) has horizontally main sliding seat (16), two vertical supporting seat (17) and vertical No. two supporting seats (18) are installed respectively to main sliding seat (16) rear end, two supporting seat (17) front portion rotates respectively and is connected with vertical worm (19), two coaxial post (20) are fixed respectively in worm (19) top, no. one supporting seat (17) and No. two supporting seat (18) rear end are fixed have a plurality of the horizontal supporting seat (16), two main horizontal supporting seat (23) are respectively, and a plurality of horizontal piston (16) are connected with horizontal base (23) respectively, and a horizontal main sliding seat (16) are equipped with a plurality of the bottom is respectively, and a horizontal main supporting seat (23) is fixed respectively, and a plurality of the bottom is connected with horizontal main supporting seat (16) respectively, no. three unthreaded hole (24), through-hole (25) and No. two through-hole (26), two main sliding seat (16) top is fixed with second forked tail guide rail of horizontally (27) respectively, two No. two through-hole (26) rear portion is equipped with third logical groove of horizontally (28) respectively, two No. three unthreaded hole (24) inner wall rear end is fixed with third horizontal compression spring (29) and attenuator (30) respectively, no. three compression spring (29) and attenuator (30) front end are fixed with third piston of horizontally (31) jointly, two No. two through-hole (26) sliding connection has second No. horizontally polished rod (32) respectively, no. two polished rod (32) and No. three piston (31) front portion are fixed with vertical push pedal (33) jointly, two push pedal (33) upper portion is fixed with vice sliding seat (34) respectively.
3. The vehicle separation grating with the protection function according to claim 2, characterized in that: the detection part (15) comprises accommodating grooves (35), supporting shafts (36), worm gears (37), bases (38), pressing plates (39), controllers (40), mounting cavities (41), supporting frames (42), a second through groove (43), heat dissipation through grooves (44), mounting frames (45), a fifth light hole (46), a fourth light hole (47), a brake stepping motor (48), a poking wheel (49), a poking claw (50), a transmitter (51) and a receiver (52), wherein the front parts of the two main bodies (1) are respectively provided with the horizontal accommodating grooves (35), the front parts of the two accommodating grooves (35) are respectively rotatably connected with the horizontal supporting shafts (36), the two supporting shafts (36) are respectively and axially fixed with the worm gears (37) and are respectively and axially fixed with the vertical bases (38), the rear parts of the bottom ends of the two bases (38) are respectively and fixedly provided with the vertical pressing plates (39), the upper parts of the rear ends of the two bases (38) are respectively and fixedly provided with the vertical controllers (40), the upper parts of the two bases (38) are respectively provided with the mounting cavities (41), the vertical supporting frames (42) are respectively fixed with the top ends, the two adjacent supporting frames (42) are respectively provided with the through grooves (43), and the middle parts of the two supporting frames (43) are respectively provided with the heat dissipation through grooves (45), two support frame (42) upper portion and support frame (42) bottom are the angle such as circumference respectively and are opened there are five light holes of four horizontally (46) and No. four light holes (47), two installation cavity (41) inner wall bottom and two mounting bracket (45) tops are fixed with vertical brake step motor (48), two respectively brake step motor (48) the pivot respectively with mounting bracket (45) alternate gap grafting, and its pivot coaxial fixed with thumb wheel (49) respectively, two the outer circumferential wall of thumb wheel (49) is the angle such as circumference respectively fixed with four horizontally and dials claw (50), is located the left side position mounting bracket (45) are installing a plurality of horizontally transmitter (51), are located the right side position mounting bracket (45) are installing a plurality of horizontally receiver (52).
4. The vehicle separation grating with the protection function according to claim 3, wherein: the first through hole (25) penetrates through the second smooth hole (23) and the third smooth hole (24), the rear portions of the two third smooth holes (24) are respectively communicated with the third through groove (28), the two third smooth holes (24) converge towards the common middle front of the two main bodies (1), the two second through holes (26) respectively penetrate through the two main sliding seats (16), the three smooth holes (24), the three compression springs (29), the dampers (30), the second through hole (26) and the second dovetail guide rail (27) in the front of the two main sliding seats (16) are respectively parallel, the five smooth holes (46) and the four smooth holes (47) are vertically and symmetrically arranged in comparison with the middle of the closed plate (54) and correspond to each other one by one at the upper part and the lower part, horizontal tension springs (53) are respectively fixed at the bottoms of the four smooth holes (47), four vertical sealing plates (54) are respectively installed on the circumferences of the two supporting frames (42) at equal angles, the upper parts and the lower parts of the two sealing plates (54) are respectively fixed with the horizontal sealing plates (55), the five smooth holes (55) are respectively connected with the top ends of the sensors (55), and the sensors (57) are respectively connected with the humidity sensors (54), and the humidity sensors (55).
5. The vehicle separation optical grating with the protection function according to claim 4, characterized in that: the two pistons (3) are respectively in sealing sliding connection with the two unthreaded holes (23) and can slide back and forth along the two unthreaded holes (23), the two main sliding seats (16) can slide back and forth along the dovetail guide rail (4), each piston (21) is respectively in sealing sliding connection with each groove (5) and can slide back and forth along the groove (5), each dust cap (7) can completely seal each water nozzle (6) under the action of gravity, each supporting tube (10) can slide up and down along the unthreaded hole (8), the rear end of the supporting seat (17) and the rear end of the supporting seat (17) are respectively fixed with the front end of the protective cover (12), the front end of the protective cover (13) is fixed with the upper part of the main sliding seat (16), the protective covers (12) and (13) can be folded back and forth, the two accordion protective covers (19) can be engaged with the two worm gears (37), the piston rods (24) can be horizontally contracted along the two sliding guide rails (24), and the piston rods (34) can be horizontally contracted along the two sliding guide rails (24), the two second polish rods (32) are respectively connected with the two second through holes (26) in a sliding mode and can horizontally slide along the second through holes (26), the five polish rods (55) can horizontally slide along the five polish holes (46), and the sealing plates (54) on the outer sides of the two supporting frames (42) can horizontally move in an umbrella shape through the sliding connection of the five polish rods (55) and the five polish holes (46).
6. The vehicle separation grating with the protection function according to claim 5, wherein: when the third compression spring (29) is not deformed, the third piston (31) can completely seal the first through hole (25), when the third compression spring (29) is elastically compressed to be extremely actuated, the third piston (31) releases the sealing of the first through hole (25), the front part of the bottom end of the inner wall of the accommodating groove (35) is high, the rear part of the inner wall of the accommodating groove is low, the worm (19) can drive the support shaft (36) and the base (38) to rotate back and forth by utilizing the meshing with the worm wheel (37) through manual rotation, the base (38) is separated from the meshing with the worm wheel (37) and can drive the support shaft (36) to rotate back and forth under the gravity action of the pressure plate (39), the controller (40), the humidity sensor (56) and the inclination sensor (57), the base (38) can drive the pressure plate (39) to drive the push plate (33) upwards in the process that the base (38) rotates backwards and is finally in the horizontal state, the push plate (33) can drive the push plate (33) to drive the push the first compression spring (9) to elastically contract upwards when the push plate (39) and the push plate (39) to drive the two push plate (42) to drive the outer wall of the push plate (50) to move upwards, and the corresponding to drive the two push pawl (50) to move downwards, and the corresponding to move the push pawl (50) to move downwards, and the corresponding to move downwards, and the push plate (48) to move the push plate (50) to move downwards, and the corresponding to move the pawl (50) to move downwards, be located the left controller (40) with be located left two brake step motor (48), inclination sensor (57), humidity transducer (56) and each transmitter (51) looks electric connection, be located the right controller (40) and two brake step motor (48), inclination sensor (57), humidity transducer (56) and each receiver (52) looks electric connection that are located the right side, two controller (40) external power source respectively, sealing plate (54) tend to mutually seal the laminating with support frame (42) outer wall all the time under the elasticity pulling of extension spring (53), the horizontal infrared ray of transmitter (51) transmission can pass No. two logical groove (43) on its right side and is received by each receiver (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935395.9A CN115163732A (en) | 2022-08-05 | 2022-08-05 | Vehicle separation grating with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935395.9A CN115163732A (en) | 2022-08-05 | 2022-08-05 | Vehicle separation grating with protection function |
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| Publication Number | Publication Date |
|---|---|
| CN115163732A true CN115163732A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210935395.9A Pending CN115163732A (en) | 2022-08-05 | 2022-08-05 | Vehicle separation grating with protection function |
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| CN (1) | CN115163732A (en) |
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