CN101851900B - Intelligent hydraulic road barricade system - Google Patents
Intelligent hydraulic road barricade system Download PDFInfo
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- CN101851900B CN101851900B CN2010101505202A CN201010150520A CN101851900B CN 101851900 B CN101851900 B CN 101851900B CN 2010101505202 A CN2010101505202 A CN 2010101505202A CN 201010150520 A CN201010150520 A CN 201010150520A CN 101851900 B CN101851900 B CN 101851900B
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Abstract
The invention discloses an intelligent hydraulic road barricade system, and relates to a road barricade system, which is suitable for protection of important places such as military and civilian institutions, bastions, ammunition depots, oil depots, warehouses and the like. The system comprises a control cabinet, a driving box, a road barricade part, a hydraulic part, a cross bar road barricade part and an anti-freezing, heating, deicing and draining part, wherein the control cabinet is arranged on one side or in the middle of the intelligent hydraulic road barricade system and installed on the road surface; the hydraulic part and a driving hydraulic cylinder for a cross bar barricade are arranged in the control cabinet; the driving box is arranged below the control cabinet and positioned under the road surface; the driving box is connected with one end of a box body of the road barricade part by bolts; two driving hydraulic cylinders of the road barricade part are arranged in the driving box so as to provide power for lifting or dropping the road barricade; and the road barricade part comprises a main box body, an end plate, a bearing, a driving shaft, a left clamping plate, a right clamping plate, a barricade bar, a reinforcing rib, a barricade tip, a supporting frame, a padding plate and a panel.
Description
Technical field
What intelligent hydraulic road barricade system of the present invention related to is a kind of road barricade system, the protection of keypoint parts such as ground office of the army of being applicable to, position, ammunition depot, oil depot, warehouse.
Background technology
Road barricade system claims car arrester again, as anti-terrorism security protection equipment, have years of researches and produce market both at home and abroad, as relevant departments such as traffic police, need the prevention of passing through of the vehicle in the road driving, each producer has designed the car arrester of various models and function, international, the domestic market is just at the car arrester of production and selling, design concept all is to be based upon on the principle basis of " doughnut is poked ", as long as there is vehicle to pass through car arrester, wheel will be poked, make vehicle deceleration or rollover by venting, allow vehicle ' stop after a period of time, fatal defective is automobile can not be stopped immediately, does not break through one step of car arrester.And as famous enterprise in the world, for example: " Michelin " tire etc., " meridian " tire of production just has anti-function of poking, even poke, also can not stop or very fast venting at once.High-tech tire can guarantee vehicle safe driving stretch journey, and this causes to dash easily rushes the success of incident and Security Services's injures and deaths.And domesticly still there are not intelligent hydraulic road barricade system and a hydraulic road barricade system.
Summary of the invention
The objective of the invention is provides a kind of intelligent hydraulic road barricade system at above-mentioned weak point, its major function is: effectively threaten in appearance, destructive prevention vehicle pass-through on the function, if vehicle is made a breakthrough by force, destruction to car is: the destructive damage of preceding face tire of car, motor can not be escaped by luck.Destruction to big automobile is: the barrier point of " intelligent hydraulic road barricade system " has air bleed slot, immediately tire is pricked quick-fried, the air pressure abrupt release totally, the chassis is blocked by the barrier bar of " intelligent hydraulic road barricade system " mechanical part barrier point, vehicle is with difficult to move even one step.It is the first road barrier of keypoint part protection such as ground office of army, position.This system has adopted mechanical, electrical, liquid integrated pattern, and is simple to operate, easy to use, is convenient to maintaining, and speed is more quick, and accuracy is higher, and ground office of army, position are protected tangible strong, high in technological content.
Intelligent hydraulic road barricade system of the present invention takes following technical scheme to realize:
Intelligent hydraulic road barricade system comprises switch board, driving box, road barricade part, hydraulic part, cross bar road barricade part and antifreeze deicing and the water discharging part of heating.
Switch board is arranged on a side of intelligent hydraulic road barricade system, or is arranged on the centre position of intelligent hydraulic road barricade system, is installed on the plane, road.Be provided with the driving hydraulic cylinder of electric appliance control box, hydraulic part, cross bar obstacle in the switch board.
Driving box is installed under the switch board, is under the ground line, and driving box is connected with bolt with casing one end of road barricade part, and two that the road barricade part has been installed in the driving box drive hydraulic cylinder, for the road barricade rise and fall provide power.
Road barricade partly comprises main box, end plate, bearing, driving shaft, left clamping plate, right clamping plate, barrier bar and reinforcing rib, barrier point, bracing frame, backing plate and panel.Main box is the carrier of road barricade part installing component, and end plate is equipped with in the main box both sides, and end plate is connected with main box by bolt; End plate is provided with bearing saddle bore, two bearings are housed respectively, driving shaft two is installed in respectively in the bearing saddle bore of end plate, be welded with some left clamping plate and some right clamping plate on the driving shaft, hinder bar with the bolt connection between left side clamping plate and the right clamping plate, barrier bar below welding reinforcing rib, barrier bar end is equiped with the barrier point, has manufactured and designed air bleed slot on the barrier point.Two driving shaft two ends are installed in respectively in two middle dead eyes of end plate, end plate is connected with the roadblock casing, some bracing frames of symmetrical respectively installation under two driving shafts, mainly be prevent radially thrust and downward load, simultaneously with the load mean allocation on bracing frame and end plate, prevent deformation of driving shaft, bending.Bracing frame is connected with main tank side, two sides, the end.Driving shaft one end is installed two and is driven hydraulic jacks, is connected with another main box with two shaft couplings at the other end of driving shaft.Be provided with backing plate under the panel of main box both sides, panel is covered in backing plate and press-fits the rain gutter both sides, and panel is provided with the sharp low water of barrier, at the barrier point when falling, the barrier point all in the sharp low water of barrier, with ground at grade.Described main box is provided with 3 at least.
Described road barricade part all adopts high charcoal steel to make, and through modified and heat treatment, adopts electroplating technology, and panel and rain gutter all adopt 304 stainless steel Seiko to make, and has anticorrosion, antirust characteristics such as sturdy and durable, elegant in appearance.
Described main box by several minutes casing constitute, the driving shaft between each minute casing connects with shaft coupling, connects with the 10mm steel plate between two branch casings, covers with the anti-skidding corrosion resistant plate of 3mm on the steel plate, both sides press-fit rain gutter, panel.To improve practicality, reliability and maintenanceability, the road barricade of road barricade part, each divides the casing width is 2 meters, can determine to adopt one or more minutes casings according to the road width of keypoint parts such as ground office of army, position, ammunition depot, oil depot, warehouse, for example: 6 meters wide roads, adopt 3 branch casings, 8 meters wide roads adopt 4 branch casings.
Hydraulic part comprises electric-controlled hydraulic part and hand-hydraulic part; The electric-controlled hydraulic part is made up of hydraulic power unit, hydraulic lock, flow divider-combiner, hydraulic cylinder, oil pipe, fuel tank and mounting bracket.Described hydraulic power unit is made up of motor, hydraulic pump, 3-position 4-way solenoid operated directional valve, equalizing valve, overflow valve, one way valve, oil suction strainer, fuel tank etc.Motor links to each other with hydraulic pump, the hydraulic pump oil-in is equipped with the oil suction strainer, the oil suction strainer is communicated with fuel tank by oil pipe, the hydraulic pump oil-out is connected with 3-position 4-way solenoid operated directional valve oil-in by one way valve one, 3-position 4-way solenoid operated directional valve oil-out divides two-way to link to each other with the Double throttle check valve oil-in respectively, the Double throttle check valve oil-out divides two-way, the equalizing valve of wherein leading up to adopts threeway to be divided into two-way, one the tunnel links to each other with flow divider-combiner two, divide two-way again by flow divider-combiner two, one the tunnel links to each other with the oil inlet and oil return mouth b of hydraulic lock one, oil inlet and oil return mouth d through hydraulic lock one links to each other with the oil inlet and oil return mouth f of hydraulic cylinder one, one the tunnel links to each other with the oil inlet and oil return mouth b of hydraulic lock two, links to each other with the oil inlet and oil return mouth f of hydraulic cylinder two through the oil inlet and oil return mouth d of hydraulic lock two; Another road links to each other with the oil inlet and oil return mouth b of hydraulic lock three, links to each other with the oil inlet and oil return mouth f of hydraulic cylinder three through the oil inlet and oil return mouth d of hydraulic lock three.
The Double throttle check valve oil-out divides wherein another road of two-way to be divided into two-way with threeway, and one the tunnel links to each other with flow divider-combiner one; Divide two-way again by flow divider-combiner one, one the tunnel links to each other with the oil inlet and oil return mouth a of hydraulic lock one, oil inlet and oil return mouth c through hydraulic lock one links to each other with the oil inlet and oil return mouth e of hydraulic cylinder one, one the tunnel links to each other with the oil inlet and oil return mouth a of hydraulic lock two, links to each other with the oil inlet and oil return mouth e of hydraulic cylinder two through the oil inlet and oil return mouth c of hydraulic lock two; Another road is to be divided into wherein one tunnel linking to each other with the oil inlet and oil return mouth 1 of hydraulic lock three of two-way with threeway, links to each other with the oil inlet and oil return mouth e of hydraulic cylinder three through the oil inlet and oil return mouth c of hydraulic lock three.
Described hydraulic pump oil-out is equipped with overflow valve.
The hand-hydraulic part is made up of manual pump, fuel tank, hydraulic lock, hydraulic cylinder, oil pipe and mounting bracket.Described manual pump is made up of manual oil cylinder, hand control valve, hand control valve handle, manual pump handle and the manual pump pump housing.Be equipped with on the manual pump pump housing manual pump handle is housed on the manual oil cylinder, manually the oil cylinder oil-in is communicated with fuel tank by one way valve, oil pipe, manually the oil cylinder oil-out links to each other with the oil inlet and oil return mouth b of hydraulic lock one respectively by stop valve four, stop valve five, stop valve six, oil inlet and oil return mouth d through hydraulic lock one links to each other with the oil inlet and oil return mouth f of hydraulic cylinder one, the oil inlet and oil return mouth b of hydraulic lock two links to each other, and links to each other with the oil inlet and oil return mouth f of hydraulic cylinder two through the oil inlet and oil return mouth d of hydraulic lock two.The oil inlet and oil return mouth b of hydraulic lock three links to each other, and links to each other with the oil inlet and oil return mouth f of hydraulic cylinder three through the oil inlet and oil return mouth d of hydraulic lock three.Manually the oil cylinder oil return opening links to each other with the oil inlet and oil return mouth a of hydraulic lock one respectively by stop valve one, stop valve two, stop valve three, oil inlet and oil return mouth c through hydraulic lock one links to each other with the oil inlet and oil return mouth e of hydraulic cylinder one, the oil inlet and oil return mouth a of hydraulic lock two links to each other, and links to each other with the oil inlet and oil return mouth e of hydraulic cylinder two through the oil inlet and oil return mouth c of hydraulic lock two.The oil inlet and oil return mouth a of hydraulic lock three links to each other, and links to each other with the oil inlet and oil return mouth e of hydraulic cylinder three through the oil inlet and oil return mouth c of hydraulic lock three.
Illustrate: hand-hydraulic partly is to use under the power failure operating mode, the use of partly being incorporated into the power networks of stop valve one, stop valve two, stop valve three, stop valve four, stop valve five, stop valve six and electric-controlled hydraulic must be opened before using, six stop valves must be closed under the automatically controlled operating mode.
Hydraulic electric control part and manually part be installed in the switch board, between function zoning be that two parts unite two into one, and constitute hydraulic part with one way valve control.
Relation between the installation site of hydraulic part reaches is: hydraulic system component mounting bracket is arranged in switch board.Hydraulic power unit, manual pump etc. are installed on the first floor mounting bracket.Hydraulic lock, two flow divider-combiners, six stop valves, oil pipe etc. are installed on the second layer mounting bracket.
Electric-controlled hydraulic partly has the oil circuit of hoisting and decline oil circuit; 1, the oil circuit that hoists: the oil circuit that always hoists of hydraulic power unit, be divided into the two-way oil circuit that hoists with threeway, one the tunnel connects the flow divider-combiner oil-in, be divided into two by flow divider-combiner, tell the two-way oil-out, the two-way oil-out connects two hydraulic lock respectively, and two hydraulic lock connect two respectively and drive the hydraulic cylinder oil-in.Another road is connected with hydraulic lock, and hydraulic lock divides the hydraulic cylinder oil-in to be connected with the cross bar obstruction portion.2, decline oil circuit: total decline oil circuit of hydraulic power unit, be divided into two-way decline oil circuit with threeway, one the tunnel connects the flow divider-combiner oil return opening, be divided into two by flow divider-combiner, tell the two-way oil return opening, the two-way oil return opening connects two hydraulic lock respectively, and two hydraulic lock connect two respectively and drive the hydraulic cylinder oil return opening.Another road is connected with hydraulic lock, and hydraulic lock divides the hydraulic cylinder oil return opening to be connected with the cross bar obstruction portion.Oil return circuit is by the power unit oil sump tank.
The annexation of hand-hydraulic part is: connect fuel tank and manual pump by oil pipe, hoist on the manual pump and descend oil circuit, hoist and be connected with the oil circuit that descends with hoisting of electric-controlled hydraulic part respectively with the oil circuit that descends, six one way valves are connected with the oil circuit that descends with hoisting of electric-controlled hydraulic part respectively, and oil return circuit is by oil-feed oil pipe oil sump tank.
The cross bar road barricade partly comprises cross bar, LED display, caution light emitting diode and warning sign.Cross bar is installed in the middle part at switch board top, be connected with the hydraulic cylinder power output shaft, the centre of the front of cross bar and the horizontal level at the back side is equipped with the caution Light-Emitting Diode, the front and the back side in the cross bar centre position are equipped with two warning signs, and described warning sign indicates " parking checking " printed words.A LED display respectively is installed directly over switch board positive and negative door-plate, shows when the intelligent hydraulic road barricade system opening and closing and stop and current Status Flag, described parking and current Status Flag are red * word and green upwards arrow mark.More than relating to electric component all is connected with the supporting automatically controlled part of intelligent hydraulic road barricade system.
Antifreeze heat deicing and water discharging part comprise power control switch, electric heating tube, aluminum silicate insulation material, silica gel heating line, rain gutter and gutter.On the base plate of main box, aluminum silicate insulation material is installed, electric heating tube is installed above the aluminum silicate insulation material, rain gutter is installed above the electric heating tube.Gutter be installed in intelligent road barricade system foundation trench below.The draining tube wall is wound with silica gel heating line outward, silica gel heating line is wrapped with aluminum silicate insulation material, be enclosed with stainless steel tube outside the aluminum silicate insulation material, the gutter that parcel is good is installed in the following of intelligent road barricade system foundation trench and the foundation trench concrete is constructed simultaneously.Power control switch is installed in the electric appliance control box in the switch board, is connected with silica gel heating line, electric heating tube on the gutter with lead, and the formation control circuit, the following mouth of a river of rain gutter is connected with gutter.Described electric heating tube adopts commercially available armouring electric heating tube.
The antifreeze deicing part of heating mainly designs at the winter severe cold weather, mainly is to prevent from because of cold weather the road barricade of barrier system partly to be freezed, and influences the normal use of hydraulic road barricade system.Advanced in the industry electric heating material and aluminum silicate insulation material partly adopted in the antifreeze deicing of heating, for the road barricade of hydraulic road barricade system partly provides heat energy timely, starting the antifreeze deicing system of heating can go into negative well with ice dissolution rapidly side by side, guarantees the round-the-clock running of hydraulic road barricade system anywhere, anytime.
Water discharging part is according under the northern China severe cold condition, the frozen soil layer degree of depth is in the natural conditions below a meter, in the design of water discharging part, fully take into account the interruption of service of water discharging part under the severe cold condition, the antifreeze deicer of heating is extended on all pipelines of water discharging part, it is thoroughly unobstructed to have guaranteed that the antifreeze deicing of heating partly moves.
Intelligent hydraulic road barricade system match appliance control cabinet and lighting installation partly comprise main control board, divide gauge tap, safeties integral control circuit, receiving system remote controller, lamp stand and light fixture.Upper right quarter is equipped with the master control electric appliance box in switch board.Be equipped with: divide control switch, safeties, integral control circuit and remote-receiver, be equipped with at the intelligent road barricade system switch board other end and highly be the illumination lamp stand light fixture of 6m, provide illumination for system works at night, be connected with light fixture by casing from main control board with power line.Electronic circuit and electric control gear mainly are to provide electric power safeguard for hydraulic road barricade system.Lighting installation mainly is for using night road barricade system that illumination is provided.
Operating principle: road barricade part: under ground line, install, above with the road surface at grade, the road barricade of 6 meters wide roads part is made up of three mechanical subsystems, is welding 34 left and right sides clamping plate on each road barricade two driving shafts partly.In the middle of the clamping plate of the left and right sides, the barrier bar with bolt, the following reinforcing rib that welding of every barrier bar, the end of barrier bar is installed the barrier point.Two driving shaft two ends are installed in respectively in the dead eye of end plate, end plate is connected with the roadblock casing, 8 bracing frames of symmetrical respectively installation under two driving shafts, mainly be prevent radially thrust and downward gravity, with on load mean allocation to 24 bracing frame and 6 end plates, prevent deformation of driving shaft, bending simultaneously.Bracing frame is connected with casing, and the deicing attemperator of heating has been installed below the rain gutter in casing.Driving shaft one end, two drive the hydraulic jack connection other end and are connected with another subsystem with shaft coupling.6 meters broad way faces have connected 3 mechanical subsystems, constitute the complete road barricade road barricade part of a cover.
The centre position of switch board top is installed with cross bar obstacle part, and light emitting diode, warning mark, label are arranged on the cross bar.Discharge pipe line has been installed in the below of whole roadblock in the foundation trench, rainwater enters discharge pipe line by 7 outfall, enters in the negative well.At the other end of switch board one light pole (height 4-6 rice) has been installed, lighting has been installed, on the bar for intelligent hydraulic road barricade system provides illumination.Two meters of advancing, enter the mouth at road barricade are equipped with deceleration strip, remind personnel, the vehicle of turnover to note, parking checking when no through traffic, and low speed passes through when current.
1, intelligent hydraulic road barricade system is in the duty that no through traffic
Press remote controller rising button, electric motor starting, hydraulic power unit is built pressure, the rising electromagnetic valve is opened, and pressure is opened hydraulic lock, enters 3 by the pipeline pressure regulator valve and goes up oil-lifting jar, under the effect of oil cylinder, cross bar road barricade part drops to horizontal level by plumbness, and two positive and negative both directions of driving shaft of driving oil cylinder drive simultaneously respectively rotate 45 degree, and road barricade rises, contact switch is closed, motor stops operating, the hydraulic lock locking, and road barricade is static.Barrier point on driving shaft inwards, another root is outside, the barrier bar on two driving shafts in innner and outer presents 45 degree crossing condition, no through traffic 2, intelligent hydraulic road barricade system is in current state into and out of both direction personnel and vehicle
Press remote controller decline button, electric motor starting, hydraulic power unit is built pressure, the decline electromagnetic valve is opened, and pressure is opened hydraulic lock, enters 3 decline oil cylinders by the pipeline pressure regulator valve, under the effect of oil cylinder, cross bar road barricade part rises to plumbness by horizontal level, and two positive and negative both directions of driving shaft of driving oil cylinder drive simultaneously respectively rotate 45 degree, and road barricade descends, contact switch is closed, motor stops operating, the hydraulic lock locking, and road barricade is static.Barrier point on the driving shaft falls in the barrier point groove of panel, and the barrier bar on two driving shafts presents level, into and out of both direction personnel, vehicle pass-through.
The operating principle of manual pump
Under a, the power down mode, intelligent hydraulic road barricade system is in the duty that no through traffic:
Hand-operated valve is replaced to down position by close stance, at this moment lift the manual pump handle, press up and down, pressure oil is inhaled into manual pump by fuel tank, manual pump extrudes hydraulic oil and enters separator, to the driving oil cylinder fuel feeding of 3 declines, opens hydraulic lock respectively, enter driving oil cylinder by the pipeline pressure regulator valve, road barricade decline and ground are on same horizontal plane.Stop to press hand oil pump, at this moment the hydraulic lock locking is placed into fastening position with hand-operated valve, personnel, vehicle pass-through.
Under b, the power down mode, intelligent hydraulic road barricade system is in current duty:
Hand-operated valve is replaced supreme raise-position by close stance to be put, at this moment lift the manual pump handle, press up and down, pressure oil is inhaled into manual pump by fuel tank, manual pump extrudes hydraulic oil and enters separator, to 3 rising driving oil cylinder fuel feeding, opens hydraulic lock respectively, enter driving oil cylinder by the pipeline pressure regulator valve, road barricade rises.Stop to press hand oil pump, at this moment the hydraulic lock locking is placed into fastening position with hand-operated valve, barrier point on driving shaft inwards, another root is outside, and the barrier bar on two driving shafts in innner and outer presents 45 degree crossing condition, and no through traffic into and out of both direction personnel, vehicle.
Beneficial effect of the present invention:
Mechanical, electrical, liquid integrated pattern that intelligent hydraulic road barricade system has adopted, simple to operate, easy to use, be convenient to maintaining, speed is more quick, accuracy is higher, ground office of army, the tangible army's ground keypoint part protective capacities that can greatly improve effectively of position protection, and the position protection of attaching most importance to provides effective barrier.Change the simple and easy protection form of keypoint parts such as ground office of army, position, increased the scientific and technological content of keypoint part protection.
Being the effective way of keypoint part protection such as ground office of army, position, is the first road barrier of army's ground keypoint part protection.Under its effect, the quality time is won in the position protection of attaching most importance to, and to no-knock personnel, vehicle, particularly the vehicle effect is obvious, is destructive to the safeguard function of making a breakthrough by force of vehicle.Its major function is destructive prevention vehicle pass-through, if vehicle is made a breakthrough by force, immediately tire is pricked quick-friedly, and vehicle is difficult to move even one step.Hydraulic road barricade system can greatly improve army's ground keypoint part protective capacities, and the position protection of attaching most importance to provides effective barrier.Change the simple and easy protection form of keypoint parts such as ground office of army, position, increased the scientific and technological content of keypoint part protection.Mechanical, electrical, liquid integrated pattern that hydraulic road barricade system has adopted, simple to operate, easy to use, be convenient to maintaining, speed is more quick, and accuracy is higher, and ground office of army, position are protected tangible strong, high in technological content.
Hydraulic part provides power for road barricade system.Be applicable to the hydraulic circuit of native system specially for hydraulic part design, set two kinds of operating modes; That is: automatically controlled state and manual state.Guarantee that hydraulic part is the round-the-clock running of road barricade system anywhere, anytime.Made the specific hydraulic cylinder, use this technology after hydraulic system operate steadily, accurate positioning, angle is reasonable, load-carrying ability is strong, long service life is the core component of hydraulic road barricade hydraulic system.The effect of hand-hydraulic part mainly is emergent use the when having a power failure, and by the normal use of manually-operated, control hydraulic road barricade system, avoids influencing keypoint part personnel vehicles such as ground office of army, position because of power failure and comes in and goes out.
The function of cross bar road barricade part: the one, increase the road barricade terrain clearance, personnel, vehicle with keypoint parts such as ground office of caution discrepancy army, position, ammunition depot, oil depot, warehouses, also increase simultaneously the height and the imposing manner of whole road barricade system, more both artistic and practical from outward appearance.The 2nd, warning mark and caution light are arranged on the cross bar, on cross bar road barricade part, two of the two-way warning signs of parking checking are housed, and LD display screen and caution light emitting diode are arranged, and guarantee the cross bar road barricade part of hydraulic road barricade system, sign is significantly round the clock.The personnel, the vehicle that mainly are keypoint parts such as ground office of prompting discrepancy army, position, ammunition depot, oil depot, warehouse are noted parking checking, and caution personnel, vehicle can not pass through by force, in order to avoid cause unnecessary loss.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is the intelligent hydraulic road barricade system front view.
Fig. 2 is the intelligent hydraulic road barricade system vertical view.
Fig. 3 is the intelligent hydraulic road barricade system right view.
Fig. 4 is an intelligent hydraulic road barricade system hydraulic part schematic diagram.
The specific embodiment
With reference to accompanying drawing 1～4, intelligent hydraulic road barricade system comprises switch board 10, driving box, road barricade part, hydraulic part, cross bar road barricade part and antifreeze deicing and the water discharging part of heating.
Driving box is installed in switch board 10 times, be under the ground line, driving box is connected with bolt with casing one end of road barricade part, and two that the road barricade part has been installed in the driving box drive hydraulic cylinder, be hydraulic cylinder 1, hydraulic cylinder 2 22, for the road barricade rise and fall provide power.
Road barricade partly comprises main box 1, end plate 17, bearing 19, driving shaft 16, left clamping plate 6, right clamping plate 5, barrier bar 2 and reinforcing rib 20, barrier point 3, bracing frame 30, backing plate and panel 18.Main box 1 is the carrier of road barricade part installing component, and end plate 17 is equipped with in main box 1 both sides, and end plate 17 is connected with main box 1 by bolt; End plate 17 is provided with bearing saddle bore, two bearings 19 are housed respectively, driving shaft 16 two are installed in respectively in the bearing saddle bore of end plate 17, be welded with some left clamping plate 6 and some right clamping plate 5 on the driving shaft 16, hinder bar 2 with the bolt connection between left side clamping plate 6 and the right clamping plate 5, barrier bar 2 belows welding reinforcing rib 19, barrier bar 2 ends are equiped with barrier point 3, have manufactured and designed air bleed slot on the barrier point 3.Two driving shaft 16 two ends are installed in respectively in two dead eyes of end plate 17 centres, end plate 17 is connected with the roadblock main box, 8 bracing frames 30 of 16 times symmetrical respectively installations of two driving shafts, mainly be prevent radially thrust and downward load, simultaneously with the load mean allocation on bracing frame and end plate 17, prevent driving shaft 16 distortion, bending.Bracing frame is connected with main box 1 side, two sides, the end.Driving shaft 16 1 ends are installed two and are driven hydraulic jacks, are connected with another main box with two shaft couplings 4 at the other end of driving shaft 16.Be provided with backing plate under the main box 1 both sides panel 18, panel 18 is covered in backing plate and press-fits the rain gutter both sides, and panel 18 is provided with the sharp low water of barrier, when barrier point 3 falls, barrier point 3 all in the sharp low water of barrier, with ground at grade.Described main box 1 is provided with 3 at least.
The left clamping plate of described road barricade part, right clamping plate, barrier bar and reinforcing rib, barrier point all adopt high charcoal steel to make, through modified and heat treatment, adopt electroplating technology, panel 1 and rain gutter all adopt 304 stainless steel Seiko to make, and have anticorrosion, antirust characteristics such as sturdy and durable, elegant in appearance.
Described main box 1 by several minutes casing constitute, the driving shaft 16 usefulness shaft couplings 4 between each minute casing connect, and connect with the 10mm steel plate between two branch casings, cover with the anti-skidding corrosion resistant plate of 3mm on the steel plate, both sides press-fit rain gutter, panel 18.To improve practicality, reliability and maintenanceability, the road barricade of road barricade part, each divides the casing width is 2 meters, can determine to adopt one or more minutes casings according to the road width of keypoint parts such as ground office of army, position, ammunition depot, oil depot, warehouse, for example: 6 meters wide roads, adopt 3 branch casings, 8 meters wide roads adopt 4 branch casings.
Hydraulic part comprises electric-controlled hydraulic part and hand-hydraulic part; The electric-controlled hydraulic part is made up of hydraulic power unit, hydraulic lock, flow divider-combiner, hydraulic cylinder, oil pipe, fuel tank and mounting bracket.Described hydraulic power unit is made up of motor 40, hydraulic pump 41,3-position 4-way solenoid operated directional valve 38, equalizing valve 36, overflow valve 43, one way valve 1, oil suction strainer 42, fuel tank 44 etc.Motor 40 links to each other with hydraulic pump 41, hydraulic pump 41 oil-ins are equipped with oil suction strainer 42, oil suction strainer 42 is communicated with fuel tank 44 by oil pipe, hydraulic pump 41 oil-outs are connected with 3-position 4-way solenoid operated directional valve 38 oil-ins by one way valve 1,3-position 4-way solenoid operated directional valve 38 oil-outs divide two-way to link to each other with Double throttle check valve 37 oil-ins respectively, Double throttle check valve 37 oil-outs divide two-way, the equalizing valve 36 of wherein leading up to adopts threeway to be divided into two-way, one the tunnel links to each other with flow divider-combiner 2 35, divide two-way again by flow divider-combiner 2 35, one the tunnel links to each other with the oil inlet and oil return mouth b of hydraulic lock 1, oil inlet and oil return mouth d through hydraulic lock 1 links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 1, one the tunnel links to each other with the oil inlet and oil return mouth b of hydraulic lock 2 25, oil inlet and oil return mouth d through hydraulic lock 2 25 links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 2 22, another road links to each other with the oil inlet and oil return mouth b of hydraulic lock 3 26, links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 3 23 through the oil inlet and oil return mouth d of hydraulic lock 3 26.
Double throttle check valve 37 oil-outs divide wherein another road of two-way to be divided into two-way with threeway, and one the tunnel links to each other with flow divider-combiner 1; Divide two-way again by flow divider-combiner 1, one the tunnel links to each other with the oil inlet and oil return mouth a of hydraulic lock 1, oil inlet and oil return mouth c through hydraulic lock 1 links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 1, one the tunnel links to each other with the oil inlet and oil return mouth a of hydraulic lock 2 25, oil inlet and oil return mouth c through hydraulic lock 2 25 links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 2 22, another road is to be divided into wherein one tunnel linking to each other with the oil inlet and oil return mouth a of hydraulic lock 3 26 of two-way with threeway, links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 3 23 through the oil inlet and oil return mouth c of hydraulic lock 3 26.
Described hydraulic pump oil-out is equipped with overflow valve 43.
The hand-hydraulic part is made up of manual pump, fuel tank 44, hydraulic lock, hydraulic cylinder, oil pipe and mounting bracket.Described manual pump is made up of manual oil cylinder 50, hand control valve 46, hand control valve handle 47, manual pump handle 49 and the manual pump pump housing 45.Be equipped with on the manual pump pump housing 45 on the manual oil cylinder 50 manual pump handle 49 is housed, manually oil cylinder 50 oil-ins are communicated with fuel tank 44 by one way valve 51, oil pipe, manually oil cylinder 50 oil-outs link to each other with the oil inlet and oil return mouth b of hydraulic lock 1 respectively by stop valve 4 31, stop valve 5 32, stop valve 6 33, oil inlet and oil return mouth d through hydraulic lock 1 links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 1, the oil inlet and oil return mouth b of hydraulic lock 2 25 links to each other, and links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 2 22 through the oil inlet and oil return mouth d of hydraulic lock 2 25.The oil inlet and oil return mouth b of hydraulic lock 3 26 links to each other, and links to each other with the oil inlet and oil return mouth f of hydraulic cylinder 3 23 through the oil inlet and oil return mouth d of hydraulic lock 3 26.Manually oil cylinder 50 oil return openings link to each other with the oil inlet and oil return mouth a of hydraulic lock 1 respectively by stop valve 1, stop valve 2 28, stop valve 3 27, oil inlet and oil return mouth c through hydraulic lock 1 links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 1, the oil inlet and oil return mouth a of hydraulic lock 2 25 links to each other, and links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 2 22 through the oil inlet and oil return mouth c of hydraulic lock 2 25.The oil inlet and oil return mouth a of hydraulic lock 3 26 links to each other, and links to each other with the oil inlet and oil return mouth e of hydraulic cylinder 3 23 through the oil inlet and oil return mouth c of hydraulic lock 3 26.
Described hydraulic lock adopts commercially available SO-1-K8L-9 type hydraulic lock etc.Described flow divider-combiner adopts commercially available 3FJLG-L3H flow divider-combiner.Described equalizing valve adopts commercially available PHF-08 type equalizing valve etc.Described 3-position 4-way solenoid operated directional valve adopts commercially available 4WE6E type 3-position 4-way solenoid operated directional valve etc.Described Double throttle check valve adopts Z6FS6-30 type Double throttle check valve etc.Described hydraulic cylinder adopts commercially available two-way hydraulic cylinder.Described overflow valve adopts commercially available YF08-02 type overflow valve etc.Described one way valve adopts commercially available LCV-08 type one way valve etc.Described hydraulic pump adopts commercially available CBK-2.0F type hydraulic pump etc.
Illustrate: hand-hydraulic partly is to use under the power failure operating mode, the use of partly being incorporated into the power networks of stop valve one, stop valve two, stop valve three, stop valve four, stop valve five, stop valve six and electric-controlled hydraulic must be opened before using, six stop valves must be closed under the automatically controlled operating mode.
Hydraulic electric control part and manually part be installed in the switch board, between function zoning be that two parts unite two into one, and constitute hydraulic part with one way valve control.
Relation between the installation site of hydraulic part reaches is: two hydraulic system component installation panels are arranged in switch board.On first installation panel hydraulic power unit, manual pump etc. are installed.Hydraulic lock, two flow divider-combiners, six Double throttle check valves, oil pipe etc. are installed on second installation panel.
Electric-controlled hydraulic partly has the oil circuit of hoisting and decline oil circuit; 1, the oil circuit that hoists: the oil circuit that always hoists of hydraulic power unit, be divided into the two-way oil circuit that hoists with threeway, one the tunnel connects the flow divider-combiner oil-in, be divided into two by flow divider-combiner, tell the two-way oil-out, the two-way oil-out connects two hydraulic lock respectively, and two hydraulic lock connect two respectively and drive the hydraulic cylinder oil-in.Another road is connected with hydraulic lock, and hydraulic lock divides the hydraulic cylinder oil-in to be connected with the cross bar obstruction portion.2, decline oil circuit: total decline oil circuit of hydraulic power unit, be divided into two-way decline oil circuit with threeway, one the tunnel connects the flow divider-combiner oil return opening, be divided into two by flow divider-combiner, tell the two-way oil return opening, the two-way oil return opening connects two hydraulic lock respectively, and two hydraulic lock connect two respectively and drive the hydraulic cylinder oil return opening.Another road is connected with hydraulic lock, and hydraulic lock divides the hydraulic cylinder oil return opening to be connected with the cross bar obstruction portion.Oil return circuit is by the power unit oil sump tank.
The annexation of hand-hydraulic part is: connect fuel tank and manual pump by oil pipe, hoist on the manual pump and descend oil circuit, hoist and be connected with the oil circuit that descends with hoisting of electric-controlled hydraulic part respectively with the oil circuit that descends, six one way valves are connected with the oil circuit that descends with hoisting of electric-controlled hydraulic part respectively, and oil return circuit is by oil-feed oil pipe oil sump tank.
The cross bar road barricade partly comprises cross bar 14, LED display 11, caution light emitting diode 15 and warning sign 12.Cross bar 14 is installed in the middle part at switch board 10 tops, be connected with the hydraulic cylinder power output shaft, the centre of the front of cross bar 14 and the horizontal level at the back side is equipped with caution Light-Emitting Diode 15, the front and the back side in cross bar 14 centre positions are equipped with two warning signs 12, and described warning sign 12 indicates " parking checking " printed words.Directly over switch board 10 front door-plates a LED display 11 is installed, shows when the intelligent hydraulic road barricade system opening and closing and stop and current Status Flag, described parking and current Status Flag are red * word and green upwards arrow mark.Described cross bar 14 is provided with reflective membrane 13.More than relating to electric component all is connected with the supporting automatically controlled part of intelligent hydraulic road barricade system.
Antifreeze heat deicing and water discharging part comprise power control switch, electric heating tube 7, aluminum silicate insulation material 8, silica gel heating line, rain gutter 9 and gutter.Aluminum silicate insulation material 8 is installed on the base plate of main box 1, electric heating tube 7 is installed above the aluminum silicate insulation material 8, rain gutter 9 is installed above the electric heating tube 7.Gutter be installed in intelligent road barricade system foundation trench below.The draining tube wall is wound with silica gel heating line outward, silica gel heating line is wrapped with aluminum silicate insulation material, be enclosed with stainless steel tube outside the aluminum silicate insulation material, the gutter that parcel is good is installed in the following of intelligent road barricade system foundation trench and the foundation trench concrete is constructed simultaneously.Power control switch is installed in the electric appliance control box in the switch board, is connected with silica gel heating line, electric heating tube on the gutter with lead, and the formation control circuit, the following mouth of a river of rain gutter is connected with gutter.Described electric heating tube 7 adopts commercially available armouring electric heating tube.
The antifreeze deicing part of heating mainly designs at the winter severe cold weather, mainly is to prevent from because of cold weather the road barricade of barrier system partly to be freezed, and influences the normal use of hydraulic road barricade system.Advanced in the industry electric heating material and aluminum silicate insulation material partly adopted in the antifreeze deicing of heating, for the road barricade of hydraulic road barricade system partly provides heat energy timely, starting the antifreeze deicing system of heating can go into negative well with ice dissolution rapidly side by side, guarantees hydraulic road barricade system anywhere, anytime round-the-clock running round-the-clock running.
Water discharging part is according under the northern China severe cold condition, the frozen soil layer degree of depth is in the natural conditions below a meter, in the design of water discharging part, fully take into account the interruption of service of water discharging part under the severe cold condition, the antifreeze deicer of heating is extended on all pipelines of water discharging part, it is thoroughly unobstructed to have guaranteed that the antifreeze deicing of heating partly moves.
Intelligent hydraulic road barricade system match appliance control cabinet and lighting installation partly comprise main control board, divide gauge tap, safeties integral control circuit, receiving system remote controller, lamp stand and light fixture.Upper right quarter is equipped with main control board, divides control switch, safeties, integral control circuit and remote-receiver in switch board, be equipped with at the intelligent road barricade system switch board other end and highly be the illumination lamp stand light fixture of 6m, provide illumination for system works at night, be connected with light fixture by casing from main control board with power line.Electronic circuit and electric control gear mainly are to provide electric power safeguard for hydraulic road barricade system.Lighting installation mainly is for using night road barricade system that illumination is provided.
Claims (8)
1. an intelligent hydraulic road barricade system is characterized in that comprising switch board, driving box, road barricade part, hydraulic part, cross bar road barricade part and antifreeze deicing and the water discharging part of heating;
Switch board is arranged on a side of intelligent hydraulic road barricade system, or is arranged on the centre position of intelligent hydraulic road barricade system, is installed on the plane, road, is provided with the driving hydraulic cylinder of hydraulic part, cross bar obstacle in the switch board;
Driving box is installed under the switch board, is under the ground line, and driving box is connected with bolt with casing one end of road barricade part, and two that the road barricade part has been installed in the driving box drive hydraulic cylinder, for the road barricade rise and fall provide power;
Road barricade partly comprises main box, end plate, bearing, driving shaft, left clamping plate, right clamping plate, barrier bar and reinforcing rib, barrier point, bracing frame, backing plate and panel; Main box is the carrier of road barricade part installing component, and end plate is equipped with in the main box both sides, and end plate is connected with main box by bolt; End plate is provided with bearing saddle bore, two bearings are housed respectively, driving shaft two is installed in respectively in the bearing saddle bore of end plate, be welded with some left clamping plate and some right clamping plate on the driving shaft, hinder bar with the bolt connection between left side clamping plate and the right clamping plate, barrier bar below welding reinforcing rib, barrier bar end is equiped with the barrier point, two driving shaft two ends are installed in respectively in two middle dead eyes of end plate, end plate is connected with the roadblock casing, be symmetrically installed with some bracing frames respectively under two driving shafts, bracing frame and main tank side, two sides, the end connects, driving shaft one end, install two and drive hydraulic jack, the other end at driving shaft is connected with another main box with two shaft couplings, is provided with backing plate under the panel of main box both sides, and panel is covered in backing plate and press-fits the rain gutter both sides;
Described main box by several minutes casing constitute, the driving shaft between each minute casing connects with shaft coupling, connects with steel plate between two branch casings, with anti-skidding corrosion resistant plate covering, both sides press-fit rain gutter, panel on the steel plate;
Hydraulic part comprises electric-controlled hydraulic part and hand-hydraulic part; The electric-controlled hydraulic part is by hydraulic power unit, hydraulic lock, flow divider-combiner, hydraulic cylinder, oil pipe, fuel tank and mounting bracket are formed, described hydraulic power unit is by motor, hydraulic pump, the 3-position 4-way solenoid operated directional valve, equalizing valve, overflow valve, one way valve, the oil suction strainer, fuel tank is formed, motor links to each other with hydraulic pump, the hydraulic pump oil-in is equipped with the oil suction strainer, the oil suction strainer is communicated with fuel tank by oil pipe, the hydraulic pump oil-out is connected with 3-position 4-way solenoid operated directional valve oil-in by one way valve one, 3-position 4-way solenoid operated directional valve oil-out divides two-way to link to each other with the Double throttle check valve oil-in respectively, the Double throttle check valve oil-out divides two-way, the equalizing valve of wherein leading up to adopts threeway to be divided into two-way, one the tunnel links to each other with flow divider-combiner two, divide two-way again by flow divider-combiner two, one the tunnel links to each other with the oil inlet and oil return mouth (b) of hydraulic lock one, oil inlet and oil return mouth (d) through hydraulic lock one links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder one, one the tunnel links to each other with the oil inlet and oil return mouth (b) of hydraulic lock two, links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder two through the oil inlet and oil return mouth (d) of hydraulic lock two; Another road links to each other with the oil inlet and oil return mouth (b) of hydraulic lock three, links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder three through the oil inlet and oil return mouth (d) of hydraulic lock three:
The Double throttle check valve oil-out divides wherein another road of two-way to be divided into two-way with threeway, and one the tunnel links to each other with flow divider-combiner one; Divide two-way again by flow divider-combiner one, one the tunnel links to each other with the oil inlet and oil return mouth (a) of hydraulic lock one, oil inlet and oil return mouth (c) through hydraulic lock one links to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder one, one the tunnel links to each other with the oil inlet and oil return mouth (a) of hydraulic lock two, links to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder two through the oil inlet and oil return mouth (c) of hydraulic lock two; Another road is to be divided into wherein one tunnel linking to each other with the oil inlet and oil return mouth (a) of hydraulic lock three of two-way with threeway, and link to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder three through the oil inlet and oil return mouth (c) of hydraulic lock three: described hydraulic pump oil-out is equipped with overflow valve;
The hand-hydraulic part is made up of manual pump, fuel tank, hydraulic lock, hydraulic cylinder, oil pipe and mounting bracket; Described manual pump is by manual oil cylinder, hand control valve, the hand control valve handle, the manual pump handle and the manual pump pump housing are formed, be equipped with on the manual pump pump housing manual pump handle is housed on the manual oil cylinder, manually the oil cylinder oil-in passes through one way valve, oil pipe is communicated with fuel tank, manually the oil cylinder oil-out is by stop valve four, stop valve five, stop valve six links to each other with the oil inlet and oil return mouth (b) of hydraulic lock one respectively, oil inlet and oil return mouth (d) through hydraulic lock one links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder one, the oil inlet and oil return mouth (b) of hydraulic lock two links to each other, oil inlet and oil return mouth (d) through hydraulic lock two links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder two, the oil inlet and oil return mouth (b) of hydraulic lock three links to each other, and links to each other with the oil inlet and oil return mouth (f) of hydraulic cylinder three through the oil inlet and oil return mouth (d) of hydraulic lock three; Manually the oil cylinder oil return opening links to each other with the oil inlet and oil return mouth (a) of hydraulic lock one respectively by stop valve one, stop valve two, stop valve three, oil inlet and oil return mouth (c) through hydraulic lock one links to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder one, the oil inlet and oil return mouth (a) of hydraulic lock two links to each other, oil inlet and oil return mouth (c) through hydraulic lock two links to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder two, the oil inlet and oil return mouth (a) of hydraulic lock three links to each other, and links to each other with the oil inlet and oil return mouth (e) of hydraulic cylinder three through the oil inlet and oil return mouth (c) of hydraulic lock three;
The cross bar road barricade partly comprises cross bar, LED display, caution light emitting diode and warning sign; Cross bar is installed in the middle part at switch board top, be connected with the hydraulic cylinder power output shaft, the centre of the front of cross bar and the horizontal level at the back side is equipped with the caution Light-Emitting Diode, the front and the back side in the cross bar centre position are equipped with two warning signs, a LED display is installed directly over the door-plate of switch board front, when the intelligent hydraulic road barricade system opening and closing, shows and stop and current Status Flag;
Antifreeze heat deicing and water discharging part comprise power control switch, electric heating tube, aluminum silicate insulation material, silica gel heating line, rain gutter and gutter; On the base plate of main box, aluminum silicate insulation material is installed, electric heating tube is installed above the aluminum silicate insulation material, rain gutter is installed above the electric heating tube, gutter be installed in intelligent road barricade system foundation trench below, the draining tube wall is wound with silica gel heating line outward, silica gel heating line is wrapped with aluminum silicate insulation material, be enclosed with stainless steel tube outside the aluminum silicate insulation material, the gutter that parcel is good is installed in the following of intelligent road barricade system foundation trench and the foundation trench concrete is constructed simultaneously, power control switch is installed in the electric appliance control box in the switch board, with the heating of the silica gel on lead and gutter line, electric heating tube connects, form control circuit, the following mouth of a river of rain gutter is connected with gutter.
2. intelligent hydraulic road barricade system according to claim 1 is characterized in that on the described barrier point air bleed slot being set.
3. intelligent hydraulic road barricade system according to claim 1 is characterized in that described main box is provided with 3 at least.
4. intelligent hydraulic road barricade system according to claim 1 is characterized in that described panel is provided with the sharp low water of barrier, at the barrier point when falling, the barrier point all in the sharp low water of barrier, with ground at grade.
5. intelligent hydraulic road barricade system according to claim 1, it is characterized in that the left clamping plate of described road barricade part, right clamping plate, barrier bar and reinforcing rib, barrier point all adopt high charcoal steel to make, through modified and heat treatment, adopt and electroplate, panel and rain gutter all adopt 304 stainless steel Seiko to make.
6. intelligent hydraulic road barricade system according to claim 1 is characterized in that described parking and current Status Flag are red * word and green upwards arrow mark.
7. intelligent hydraulic road barricade system according to claim 1 is characterized in that described electric heating tube adopts the armouring electric heating tube.
8. intelligent hydraulic road barricade system according to claim 1 is characterized in that described cross bar is provided with reflective membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101505202A CN101851900B (en) | 2010-04-20 | 2010-04-20 | Intelligent hydraulic road barricade system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101505202A CN101851900B (en) | 2010-04-20 | 2010-04-20 | Intelligent hydraulic road barricade system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101851900A CN101851900A (en) | 2010-10-06 |
| CN101851900B true CN101851900B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101505202A Expired - Fee Related CN101851900B (en) | 2010-04-20 | 2010-04-20 | Intelligent hydraulic road barricade system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102425128B (en) * | 2011-09-23 | 2014-12-03 | 深圳市道尔轮胎科技有限公司 | Gateway system linkage device for avoiding rushing through malevolently |
| CN104816739A (en) * | 2015-04-22 | 2015-08-05 | 淮北朔里矿业有限责任公司 | Hydraulic automatic control device of car stopper |
| CN110671392A (en) * | 2019-09-30 | 2020-01-10 | 福建龙马环卫装备股份有限公司 | Hydraulic system with integral box hopper with manual emergency lifting function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2330697Y (en) * | 1998-05-31 | 1999-07-28 | 滕昭强 | Road obstructive facility |
| CN2586724Y (en) * | 2002-04-24 | 2003-11-19 | 北京天阶科技工业公司 | Automatic control pneumatic obstacle pile |
| JP2005180156A (en) * | 2003-12-20 | 2005-07-07 | Harumichi Asayama | Built-up type vehicular traffic and prevention device |
| HRP20040368A2 (en) * | 2004-04-26 | 2005-10-31 | Pervan Boris | Arrangement for arresting the passage of vehicles |
| CN201635031U (en) * | 2010-04-20 | 2010-11-17 | 厉之元 | Intelligent hydraulic road barrier system |
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| CN101851900A (en) | 2010-10-06 |
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Granted publication date: 20110914 |