CN1840399A - Energy self-supply type controllable stopping device - Google Patents
Energy self-supply type controllable stopping device Download PDFInfo
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- CN1840399A CN1840399A CN 200510059337 CN200510059337A CN1840399A CN 1840399 A CN1840399 A CN 1840399A CN 200510059337 CN200510059337 CN 200510059337 CN 200510059337 A CN200510059337 A CN 200510059337A CN 1840399 A CN1840399 A CN 1840399A
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Abstract
The invention discloses a self energy resource controlled parking equipment,which comprises the following parts: decision rapid roof, support arm and brake beam, wherein the decision rapid roof is installed at the entrance end of parking car in front of the parking equipment; the spiro is at the outside of circuit stock rail; the support arm uses the inside and outside rail anchor to fix on the stock rail bottom and uses the bolt to fix; the brake beam snail is fixed on the support bolster; the hydraulic press is a closed hydraulic system which is integrated with hydraulic cylinder, plunger piston, reversing solenoid valve, one-way valve, accumulator, which can saves the generator, air pump, lubricant pump,accumulator,power cable,conduit line,adaptor and other external devices; when the parking equipment installs at the bottom of the classification track is use for as parking equipment, the normal condition is application position; the order is controlled by controlling building; the proof slide vehicle is carried out the automatic stopping which installs target section behind the goal application position exit; when parking equipment is used for goal brake, the normal condition is for alleviation position to carry out braking speed governing. The invention simplifies the structure, which uses widely.
Description
Technical field
The present invention relates to the energy self-supply type controllable stopping device of a kind of railway classification yard, belong to railway classification yard speed adjusting technique field skating vehicle speed governing or stopping-down.
Background technology
At present, railway classification yard is to skating vehicle speed governing or the used speed control device of stopping-down, except that the top of slowing down, all need the energy, the direct employing motorized motions that has, the employing air compression system or the hydraulic efficiency pressure system that have all need motor, energy storage, oil pump or air pump, all need connecting pipeline and joint, need high-capacity voltage transformer and lay power cable etc., consume a large amount of electric energy, quantities is big, the expense height, maintenance difficult.The hydraulic controlled stopping device of domestic employing especially in recent years, the joint place is too many, and leakage of oil is serious, and power consumption is big, easy-maintaining not, what have can not normally use.Brake defensive device as purpose, also existing tests the speed difficulty and in a single day hypervelocity takes place needs shortcomings such as manual reversion drg again.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can judge automatically that car speed does not need railway vehicle speed regulation equipment---the energy self-supply type controllable stopping device of outside plants such as motor, air pump, oil pump, energy storage, power cable, pipeline and joint again.This equipment can be used as stopping device and uses when being located at the litz wire afterbody, to an anti-running stopping-down, can prevent effectively that wagon running away from going out the afterbody fouling post.When being located at the target practice section after the purpose retarder location exports, can be used as purpose braking overspeed protection and use, can judge over-speed vehicles automatically and implement to brake speed governing, guarantee the safety of skating vehicle.
Energy self-supply type controllable stopping device constitutes by declaring fast top, hold-down arm and brake beam.Declare the place ahead that speed top is located at energy self-supply type controllable stopping device, i.e. the arrival end of skating vehicle is with bolt, the fastening outside that is installed in the circuit stock rail of nut; Hold-down arm is installed on the stock rail flange of rail with internal track block, external track block, and is fastening with bolt, nut; Brake beam is with above the fastening bolster holder that is installed in hold-down arm two ends left sides support arm and right support arm such as bolt, nut.
Hold-down arm is made up of left support arm, separation pad, protective cover, joist, hydraulic press, supporting-roller shaft, support roller, support roller axle sleeve, bearing spring seat, inner spring, outer spring, screw rod, right support arm, internal track block, support arm shaft, support arm axle sleeve, insulation tank, external track block and fasteners such as bolt, nut, spring washer, flat gasket and spring cotter.
Be bumped into the interior outside that is installed on the stock rail flange of rail behind the insulation tank respectively in the connection rail groove of internal track block and external track block, fastening with bolt, nut, spring washer and flat gasket; Supporting-roller shaft is sleeved in the axis hole of support roller, and support roller axle sleeve and support roller are installed in the middle of two joists, and supporting-roller shaft is contained in the connection wheel hole and supporting-roller shaft trepanning of two joists, and is fastening with nut and spring washer; The two ends of joist are overlapped on respectively on the joist seat of internal track block; Hydraulic press and right support arm are pressed in respectively on two support rollers, support arm shaft is installed in the spacing hole of left support arm and right support arm, be contained in the lump in the middle of the arm seat of internal track block, support arm shaft is by the connection arm hole and the support arm axle sleeve of internal track block, left support arm and right support arm are installed on the internal track block, and spring cotter is installed in the hole that support arm shaft exposes; Spacing sleeve is equipped with in the left side connection cylinder seat of support arm and the centre of hydraulic press, with socket bolt and spring washer by the connection cylinder hole on the left support arm and the connection arm screw on the hydraulic press cylinder body with left support arm with hydraulic press is fastening is installed together; The bottom of hydraulic press is pressed on the support roller; Bearing seat on the hydraulic press plunger inserts in the shaft coupling seat of bearing spring seat, and the pin-and-hole that the bearing pin of hydraulic press passes on the plunger connects hydraulic press and bearing spring seat, and spring cotter is contained in the hole of bearing pin; The position-limited trough of bearing spring seat is sleeved on two joists; Inner spring is sleeved in the outer spring, be contained in the lump on the connection spring abutment of the connection spring abutment of bearing spring seat and right support arm, screw rod passes the connection spring hole of connection spring hole, inner spring and the right support arm of bearing spring seat, with nut, flat gasket and spring cotter with bearing spring seat, inner spring, outer spring and the fastening connection of right support arm, and qualification length, the bottom of right support arm is pressed on another support roller.Screw rod is scalable in connection spring hole; Protective cover is pressed in holding on the cover seat, on the fastening connection cover hole that is installed on the bearing spring seat of bolt, nut and spring washer of bearing spring seat.
Left side support arm left end is shaped on spacing hole, top is shaped on bolster holder, bolster seat, and right-hand member is shaped on connection cylinder hole and connection cylinder seat.Right support arm left end is shaped on connection spring abutment and connection spring hole, and right-hand member is shaped on spacing hole, and top is shaped on bolster holder and bolster seat.Bearing spring seat top is shaped on holds the cover seat, and two sides are shaped on connection cover hole, and the bottom is shaped on position-limited trough.Internal track block top is shaped on an arm seat and connection arm hole, and the bottom is shaped on connection rail hole, and middle part one side is shaped on connection rail groove, and opposite side is shaped on the joist seat.External track block top is shaped on connection rail groove, and the bottom is shaped on connection rail hole.The brake beam two ends are shaped on guide surface, and the centre is shaped on connection arm hole, makes brake surface with flange of rail face.Be shaped on connection wheel hole on the joist, two ends are shaped on breach.
Hydraulic press is made of cylinder body, bleed serew, packing seal, cylinder cap, oscillating bearing, bearing pin, solenoid directional control valve, check valve, y-type seal ring, O RunddichtringO, guidance tape, dust ring, plunger, charge valve and bolt, spring washer and spring cotter.Bleed serew is pressed in the exhaust screw that is tightened in cylinder body top on the packing seal; Solenoid directional control valve and check valve are with the relative respectively both sides that are fastened on cylinder body of socket bolt and spring washer; The charge valve side of thread connection at cylinder body; Y-type seal ring, O RunddichtringO and guidance tape are sleeved in the corresponding groove of plunger, in the hydraulic cavities of the cylinder body of packing in the lump; Dust ring is contained in the seal groove of cylinder cap, and cylinder cap is sleeved on the plunger, is fastened on the cylinder body with socket bolt and spring washer.Oscillating bearing is contained in the bearing seat of plunger; Bearing pin interts in the pin-and-hole of bearing spring seat and oscillating bearing hole, and hydraulic press and bearing spring seat are connected; Accumulation of energy chamber one side of cylinder body connects separation pad and left support arm with socket bolt and spring washer.
Charge valve is made up of hexagonal socket head plug, spring, tightening seal washer, valve body, spool, steel ball, valve gap and packing seal.Steel ball is twisted with the fingers on the spool; Spool and spring are packed in the valve body successively, are screwed into valve body with hexagonal socket head plug and are pressed on the spring; Packing seal is pressed on the through hole of valve body, and valve gap is tightened on the valve body with thread connection, the pinch-off seal pad; Valve body is tightened on the cylinder body of hydraulic press with thread connection.
Cylinder body is an integral structure, with partition plate cylinder body is divided into accumulation of energy chamber and hydraulic cavities, accumulation of energy chamber top memory compressed nitrogen, the bottom is a hydraulic oil, if an oil through connects solenoid directional control valve, the bottom, side is established a screw and is connect charge valve, establishes a foundry technique hole below, and inside cleans up the back and with the cover plate welding this hole sealed; An oil extraction screw is established on hydraulic cavities relief groove top, and the middle part is established a logical hydraulic fluid port and connect solenoid directional control valve; The cylinder body two ends are shaped on connection arm screw and Lian Gai screw respectively, in order to connect left support arm and seal cover cap.Be shaped on logical hydraulic fluid port between two valves on the partition plate, logical hydraulic fluid port two ends connect solenoid directional control valve and check valve respectively.
Hydraulic press is the osed top hydraulic efficiency pressure system, and oil cylinder, plunger, solenoid directional control valve, check valve, energy storage are become one, and cancels all external pipelines and joint, and the place of leakage of oil is minimized, and it is minimum that volume is reduced to.When using as stopping device, the normality position is a retarder location, and control command does not need to declare the speed top by control building Long-distance Control; When using as purpose braking protective device, normality is for alleviating the position, and braking instruction sends by declaring the speed top, or by the control system control that can test the speed.
Under braking instruction, solenoid directional control valve a, o connect, and b, p connect, the path of hydraulic oil is accumulation of energy chamber A → P → b → check valve oil inlet → check valve oil outlet → a → o → hydraulic cavities B, under the effect of compressed nitrogen, promotes plunger and moves outward, by the check valve locking, plunger can not in move.Because of plunger moves outward, make two distances between the brake beam brake surface greater than back gauge by hold-down arm, be in retarder location.When wheel when the guide surface of brake beam is clamp-oned, the compression brake spring produces braking force, makes car retardation.
Alleviating under the instruction, solenoid directional control valve a, p connect, and b, o connect, and the path of hydraulic oil is hydraulic cavities B → o → b → check valve oil inlet → check valve oil outlet → a → p → accumulation of energy chamber A.When had vehicle to be parked on the stopping device or enter stopping device and inwardly push brake beam this moment, brake beam compression brake spring was under the tension force effect of retarding spring, plunger is pushed in the cylinder, and because the locking effect of check valve, plunger can not move outward, and stopping device is in alleviates the position.
Declaring the speed top is made up of circlip in speed valve block, cylinder body, speed spring, pressure valve seat, circlip for shaft, pressure valve core, frizing dust ring, oil nozzle, backhaul throttle plate, housing, O RunddichtringO, seal cover cap, pressure spring, piston rod, bearing plate, spring cotter, sensor holder, load-bearing spring, magnetic shield, sensor (near switch), protective cover, flange of rail adjusting pad, spring washer, bolt and the hole.Fill hydraulic oil and compressed nitrogen in the oil cylinder.
Pressure spring and pressure valve core are contained in the hole at piston rod middle part successively; The backhaul throttle plate be contained in the pressure valve seat the inside and with pressure valve core suit mutually, the pressure valve seat is tightened in thread connection in the endoporus on piston rod top, the compaction pressure spool; The speed spring is contained in the pressure valve seat circular groove; The speed valve block is sleeved on pressure valve seat top, is pressed on the speed spring, fixes with circlip for shaft; Constitute piston-rod assembly by pressure spring, pressure valve core, piston rod, backhaul throttle plate, pressure valve seat, speed spring, speed valve block, circlip for shaft.Fill the hydraulic oil of some in the cylinder body, the piston-rod assembly of having assembled is contained in the cylinder body; The O RunddichtringO is contained in respectively in the annular seal groove in hole and periphery in the seal cover cap; Seal cover cap is sleeved on the piston rod, and bottom in the cylinder body of packing into is fixed with circlip for shaft; In cylinder body, fill the compressed nitrogen of some by the air-filled pore on the cylinder body; Constitute the sliding oil cylinder assembly by piston-rod assembly, O RunddichtringO, seal cover cap, cylinder body and circlip for shaft.The frizing dust ring is contained in the circular groove on housing top; The sliding oil cylinder assembly is inserted in the housing; Bearing plate is sleeved on underpart of the piston rod, fixes with spring cotter; The load-bearing spring is contained in the sensor holder, and sensor holder is tightened in lower part of frame with thread connection, with the load-bearing spring pressing on bearing plate; Sensor (near switch) is tightened in the magnetic shield with thread connection; Magnetic shield is tightened on the sensor holder with thread connection; Protective cover is tightened in the magnetic shield outside with thread connection; Housing is fastened on the mounting hole of the stock rail web of the rail with spring washer and bolt with thread connection; Oil nozzle is tightened in the top of housing with thread connection; Flange of rail adjusting pad is contained between the housing and the flange of rail as required.
When wheel pushes up by declaring speed to be lower than the critical speed of declaring the setting of speed top, the down pressing oil cylinder body, the oil of cylinder body inner piston rod epicoele between speed valve block and pressure valve seat the slit and the through hole on pressure valve seat and piston rod top flow to the piston rod cavity of resorption, when the pressure reduction of the speed valve block top and bottom that its flow velocity produces is not enough to the compression speed spring, the speed valve block is not related to and closes, declare the speed top and do not do braking work, the precompressed compression of the force rate load-bearing spring that piston rod is downward is little, the load-bearing spring is not compressed, piston rod does not move down, piston-rod lower end and sensor (near switch) have certain distance, the output of sensor (near switch) no signal.When wheel pushes up by declaring speed to be equal to or higher than the critical speed of declaring the setting of speed top, the down pressing oil cylinder body, the oil of cylinder body inner piston rod epicoele between speed valve block and pressure valve seat the slit and the through hole on pressure valve seat and piston rod top flow to the piston rod cavity of resorption, when the pressure reduction of the speed valve block top and bottom that its flow velocity produces is enough to the compression speed spring, the speed valve block is closed, the oil of piston rod epicoele can not flow to cavity of resorption, its increased pressure, when the downward power of piston rod during greater than the precompressed compression of load-bearing spring, the load-bearing spring is compressed, piston rod moves down, when the distance of piston-rod lower end and sensor (near switch) is little during to design value, sensor (near switch) just has signal output.When piston rod continued to move down with the load-bearing spring pressing, when the pressure of cylinder body inner piston rod epicoele continued to be elevated to the bearing force that can overcome pressure spring, pressure valve core was opened, and the oil of piston rod epicoele flows to the piston rod cavity of resorption through the logical hydraulic fluid port of pressure valve port and piston rod; Oil cylinder is by pressure wheel following time, and piston rod enters in the cylinder body, and the pressure of compressed nitrogen raises, and when wheel leaves cylinder body, stretches out at the effect lower piston rod of compressed nitrogen, and under the effect of load-bearing spring tension force, piston rod and cylinder body rise and reset.The critical speed of declaring the speed top is main relevant with the design value and the speed valve block opened gap of speed spring.The speed valve block is not related to when closing, piston rod is much smaller than the precompressed compression of load-bearing spring to the power that presses down, and pressure valve core when opening piston rod also much bigger to the power of the power that presses down during than the load-bearing spring pressing, as long as this stressed relation of maintenance, declaring the speed top just can normal operation.
Push up as the speed of declaring that purpose braking protective device is supporting, the critical speed of its setting is exactly the speed that can guarantee vehicle safety, as long as speed surpassed this safe critical speed when skating vehicle pushed up through declaring speed, the sensor of declaring the speed top just has signal output to give the solenoid directional control valve of energy self-supply type controllable stopping device, control it and be in retarder location, to the speed governing of rolling wheel braking, detect by wheel, by wheel control speed governing.Connect with circuit between the sensor of declaring speed top and the solenoid directional control valve of hydraulic press.
The present invention has following advantage:
1. simple in structure
Complete machine structure is simple, and critical component hydraulic press wherein becomes one Hydraulic Elements such as oil cylinder, plunger, solenoid directional control valve, check valve, energy storage, cancels all external pipelines and joint, and the leakage of oil place minimizes, good seal performance, and volume is little.
2. cost saving
Employing air pressure resets, and hydraulically locking utilizes the kinetic energy of vehicle itself and spring energy-storage to brake, and does not need the outside power energy, saves voltage transformer, motor, oil pump, air pump, pipeline and joint, promptly saves construction investment, is easy to the current maintenance management again.
3. of many uses
Both can be used as litz wire tail end stopping device usefulness, declared fast function automatically because of it has again, and can be used as litz wire head purpose braking overspeed protection and use.
Description of drawings
Fig. 1 is the structure mounting plane scheme drawing of energy self-supply type controllable stopping device of the present invention.
Fig. 2 looks scheme drawing for the hold-down arm structure master of energy self-supply type controllable stopping device of the present invention.
Fig. 3 is the B-B sectional schematic diagram of Fig. 2.
Fig. 4 is the A-A sectional schematic diagram of Fig. 2.
Fig. 5 is a hold-down arm structure schematic top plan view of the present invention.
Fig. 6 is the main scheme drawing of looking of left support arm structure.
Fig. 7 is the schematic top plan view of Fig. 6.
Fig. 8 is the main scheme drawing of looking of right support arm structure.
Fig. 9 is the schematic top plan view of Fig. 8.
Figure 10 looks scheme drawing for bearing spring seat structure master.
Figure 11 looks scheme drawing for the left side of Figure 10.
Figure 12 is the main scheme drawing of looking of internal track block structure.
Figure 13 looks scheme drawing for the left side of Figure 12.
Figure 14 is the main scheme drawing of looking of external track block structure.
Figure 15 looks scheme drawing for the left side of Figure 14.
Figure 16 is the brake beam organigram.
Figure 17 is the joist organigram.
Figure 18 looks scheme drawing for the hydraulic press structure master of energy self-supply type controllable stopping device of the present invention.
Figure 19 is the hydraulic press structure top cross-sectional view of energy self-supply type controllable stopping device of the present invention.
Figure 20 is the cylinder body structure cross-sectional schematic of hydraulic press.
Figure 21 is the charge valve structural representation of hydraulic press.
Figure 22 is a hydraulic press retarder location hydraulic schematic diagram.
Figure 23 is alleviated the position hydraulic schematic diagram for hydraulic press.
Figure 24 is for declaring fast roof construction scheme drawing.
Figure 25 is that the casing structure master who declares the speed top looks scheme drawing.
Figure 26 is that scheme drawing is looked on a casing structure left side of declaring the speed top.
The specific embodiment
As shown in Figure 1, energy self-supply type controllable stopping device constitutes by declaring speed top S, hold-down arm B and brake beam L.Declare the place ahead that speed top S is located at energy self-supply type controllable stopping device, i.e. the arrival end of skating vehicle is with bolt B 1, the fastening outside that is installed in the circuit stock rail of nut B2; Hold-down arm B is installed on the stock rail flange of rail with internal track block 13, external track block 17, and is fastening with bolt B 1, nut B2; Brake beam L is with above the fastening bolster holder that is installed in hold-down arm B two ends left sides support arm 1 and right support arm 12 such as bolt B 1, nut B2.
As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, hold-down arm B is made up of fasteners such as left support arm 1, separation pad 2, protective cover 3, joist 4, hydraulic press Y, supporting-roller shaft 5, support roller 6, support roller axle sleeve 7, bearing spring seat 8, inner spring 9, outer spring 10, screw rod 11, right support arm 12, internal track block 13, support arm shaft 14, support arm axle sleeve 15, insulation tank 16, external track block 17 and bolt B 1, nut B2, spring washer B3, flat gasket B4 and spring cotter B5.
Be bumped into the medial and lateral that are installed on the stock rail flange of rail behind the insulation tank 16 respectively in the connection rail groove of internal track block 13 and external track block 17, fastening with bolt B 1, nut B2, spring washer B3 and flat gasket B4; Support roller axle sleeve 7 is contained in the axis hole of support roller 6, and support roller axle sleeve 7 and support roller 6 are installed in the middle of two joists 4, and supporting-roller shaft 5 is contained among the connection wheel hole 4-1 and support roller axle sleeve 7 holes of two joists 4, and is fastening with nut B2 and spring washer B3; The two ends of joist 4 are overlapped on respectively on the joist seat 13-5 of two internal track blocks 13; Hydraulic press Y and right support arm 12 are pressed in respectively on two support rollers 6, support arm shaft 14 is installed in the 12-3 of spacing hole of the 1-1 of spacing hole of left support arm 1 and right support arm 12, be contained in the lump in the middle of the arm seat 13-1 of internal track block 13, support arm shaft 14 is by the connection arm hole 13-2 and the support arm axle sleeve 15 of internal track block 13, left support arm 1 and right support arm 12 are installed on the internal track block 13, and spring cotter B5 is installed in the hole that support arm shaft 14 exposes; Spacing sleeve 2 is equipped with in left side connection cylinder seat 1-5 of support arm 1 and the centre of hydraulic press Y, with socket bolt B1 and spring washer B3 by the connection cylinder hole 1-4 on the left support arm 1 and the connection arm screw N on the hydraulic press Y cylinder body with left support arm 1 with hydraulic press Y is fastening is installed together; The bottom of hydraulic press Y is pressed on the support roller 6; Bearing seat on the hydraulic press Y plunger inserts among the shaft coupling seat 8-6 of bearing spring seat 8, and the pin-and-hole that the bearing pin of hydraulic press Y passes on the plunger connects hydraulic press Y and bearing spring seat 8, and spring cotter B5 is contained in the hole of bearing pin; The position-limited trough 8-3 of bearing spring seat 8 is sleeved on two joists 4; Inner spring 9 is sleeved in the outer spring 10, be contained in the lump on the connection spring abutment 12-1 of the connection spring abutment 8-5 of bearing spring seat 8 and right support arm 12, screw rod 11 passes the connection spring hole 12-2 of connection spring hole 8-4, inner spring 9 and the right support arm 12 of bearing spring seat 8, with nut B2, flat gasket B4 and spring cotter B5 with bearing spring seat 8, inner spring 9, outer spring 10 and the 12 fastening connections of right support arm, and qualification length, the bottom of right support arm 12 is pressed on another support roller 6.Screw rod 11 is scalable in connection spring hole; Protective cover 3 is pressed in holding on the cover seat 8-1, on the fastening connection cover hole 8-2 that is installed on the bearing spring seat 8 of bolt B 1, nut B2 and spring washer B3 of bearing spring seat 8.
As Fig. 6, shown in Figure 7, the left end of left support arm 1 is shaped on the 1-1 of spacing hole, top is shaped on bolster holder 1-2, bolster seat 1-3, and right-hand member is shaped on connection cylinder hole 1-4 and connection cylinder seat 1-5, is shaped on binding beam hole 1-6 in the bolster holder.
As Fig. 8, shown in Figure 9, the left end of right support arm 12 is shaped on connection spring abutment 12-1 and connection spring hole 12-2, and right-hand member is shaped on the 12-3 of spacing hole, and top is shaped on bolster holder 12-4 and bolster seat 12-5, is shaped on binding beam hole 12-6 in the bolster holder.
As Figure 10, shown in Figure 11, the top of bearing spring seat 8 is shaped on holds cover seat 8-1, and two ends are shaped on connection cover hole 8-2, the bottom is shaped on position-limited trough 8-3, and a side of bearing spring is shaped on connection spring abutment 8-5, is shaped on connection spring hole 8-4 on the connection spring abutment 5, opposite side is shaped on shaft coupling seat 8-6, is shaped on pin-and-hole 8-7 on the shaft coupling seat.
As shown in Figure 12 and Figure 13, the top of internal track block 13 is shaped on an arm seat 13-1 and connection arm hole 13-2, and the bottom is shaped on connection rail hole 13-3, and middle part one side is shaped on connection rail groove 13-4, and opposite side is shaped on joist seat 13-5.
As Figure 14, shown in Figure 15, the top of external track block 17 is shaped on connection rail groove 17-1, and the bottom is shaped on connection rail hole 17-2.
As shown in figure 16, the two ends of brake beam L are shaped on guide surface L-1, and the centre is shaped on connection arm hole L-2, makes brake surface L-3 with flange of rail face.
As shown in figure 17, be shaped on connection wheel hole 4-1 on the joist 4, two ends are shaped on breach 4-2.
As Figure 18, Figure 19, shown in Figure 20, hydraulic press Y is made of cylinder body Y1, draining plug screw Y2, packing seal Y3, cylinder cap Y4, oscillating bearing Y5, bearing pin Y6, solenoid directional control valve Y7, check valve Y8, y-type seal ring Y9, O RunddichtringO Y10, guidance tape Y11, dust ring Y12, plunger Y13, bearing seat E, charge valve F and socket bolt YB1, spring washer YB2 and spring cotter YB3.Bleed serew Y2 is pressed among the exhaust screw G that is tightened in cylinder body Y1 top on the packing seal Y3; Solenoid directional control valve Y7 and check valve Y8 are with the relative respectively both sides that are fastened on cylinder body Y1 of socket bolt YB1 and spring washer YB2; The charge valve F side of thread connection at cylinder body Y1; Y-type seal ring Y9, O RunddichtringO Y10 and guidance tape Y11 are sleeved in the corresponding groove of plunger Y13, among the hydraulic cavities B of the cylinder body Y1 that packs in the lump; Dust ring Y12 is contained in the seal groove of cylinder cap Y4, and cylinder cap Y4 is sleeved on the plunger Y13, is fastened on the cylinder body Y1 with socket bolt YB1 and spring washer YB2; Oscillating bearing Y5 is contained among the bearing seat E of plunger Y13; Bearing pin Y6 interts in the pin-and-hole of bearing spring seat 8 and oscillating bearing Y5 hole, and hydraulic press Y and bearing spring seat 8 are connected; Accumulation of energy chamber A one side of cylinder body Y1 connects separation pad 2 and left support arm 1 with socket bolt YB1 and spring washer YB2.
As shown in figure 21, charge valve F is made up of hexagonal socket head plug F1, spring F2, tightening seal washer F3, valve body F4, spool F5, steel ball F6, valve gap F7 and packing seal F8.Steel ball F6 twists with the fingers on the spool F5; Spool F5 and spring F2 pack in the valve body F4 successively, are screwed into valve body F4 with hexagonal socket head plug F1 and are pressed on the spring F2; Packing seal F8 is pressed on the through hole of valve body F4, and valve gap F7 is tightened on the valve body F4 with thread connection, pinch-off seal pad F8; Valve body F4 is tightened on the cylinder body Y1 of hydraulic press Y with thread connection.
As Figure 22, shown in Figure 23, under braking instruction, the a of solenoid directional control valve Y7, o connect, b, p connect, the path of hydraulic oil is accumulation of energy chamber A → P → b → check valve Y8 oil inlet → check valve Y8 oil outlet → a → o → hydraulic cavities B, under the effect of compressed nitrogen, promotes plunger Y13 and moves outward, because check valve Y8 locking, plunger Y13 can not in move.Y13 moves outward because of plunger, makes two distances between brake beam L brake surface greater than back gauge by hold-down arm B, is in retarder location.When wheel when the guide surface of brake beam L is clamp-oned, compression brake spring inner spring 9 and outer spring 10 produce braking force, make car retardation.
Alleviating under the instruction, a of solenoid directional control valve Y7, p connect, and b, o connect, and the path of hydraulic oil is hydraulic cavities B → o → b → check valve Y8 oil inlet → check valve Y8 oil outlet → a → p → accumulation of energy chamber A.When have vehicle to be parked on the stopping device or enter stopping device and inwardly push brake beam L this moment, brake beam L compression brake spring inner spring 9 and outer spring 10, under the tension force effect of retarding spring, plunger Y13 is pushed in the cylinder body Y1, and because the locking effect of check valve Y8, plunger Y13 can not move outward, and stopping device is in alleviates the position.
As Figure 24, Figure 25, shown in Figure 26, declare speed top S by speed valve block S1, cylinder body S2, speed spring S3, pressure valve seat S4, circlip for shaft S5, pressure valve core S6, frizing dust ring S7, oil nozzle S8, backhaul throttle plate S9, housing S10, O RunddichtringO S11 and S12, seal cover cap S13, pressure spring S14, piston rod S15, bearing plate S16, spring cotter S17, sensor holder S18, load-bearing spring S19, magnetic shield S20, sensor (near switch) S21, protective cover S22, flange of rail adjusting pad S23, spring washer S24, bolt S25 and circlip for bore S26 form.Fill hydraulic oil and compressed nitrogen in the cylinder body.Pressure spring S14 and pressure valve core S6 are contained in the hole at piston rod S15 middle part successively; Backhaul throttle plate S9 is contained in the inside of pressure valve seat S4, and with pressure valve core S6 suit mutually, pressure valve seat S4 is tightened in thread connection in the endoporus on piston rod S15 top, compaction pressure spool S6; Speed spring S3 is contained in the pressure valve seat S4 circular groove; Speed valve block S1 is sleeved on pressure valve seat S4 top, is pressed on the speed spring S3, and S5 fixes with circlip for shaft; Constitute piston-rod assembly by pressure spring S14, pressure valve core S6, piston rod S15, backhaul throttle plate S9, pressure valve seat S4, speed spring S3, speed valve block S1, circlip for shaft S5.Fill the hydraulic oil of some in the cylinder body S2, the piston-rod assembly of having assembled is contained in the cylinder body S2; O RunddichtringO S11, S12 be contained in respectively seal cover cap S13 periphery and in the annular seal groove in hole; Seal cover cap S13 is sleeved on the piston rod S15, bottom in the cylinder body S2 that packs into, and S5 fixes with circlip for shaft; In cylinder body S2, fill the compressed nitrogen of some by the air-filled pore on the cylinder body S2; Constitute the sliding oil cylinder assembly by piston-rod assembly, O RunddichtringO S11, O RunddichtringO S12, seal cover cap S13, cylinder body S2 and circlip for shaft S5.Frizing dust ring S7 is contained in the circular groove on housing S10 top; The sliding oil cylinder assembly is inserted among the housing S10; Bearing plate S16 is sleeved on piston rod S15 bottom, and S17 fixes with spring cotter; Load-bearing spring S19 is contained in the sensor holder S18, and sensor holder S18 is tightened in the bottom of housing S10 with thread connection, and load-bearing spring S19 is pressed on the bearing plate S16; Sensor (near switch) S21 is tightened in the magnetic shield S20 with thread connection; Magnetic shield S20 is tightened on the sensor holder S18 with thread connection; Protective cover S22 is tightened in magnetic shield S20 outside with thread connection; Housing S10 is fastened on the mounting hole of the stock rail web of the rail with spring washer S24 and bolt S25 with thread connection; Oil nozzle S8 is tightened in the top of housing S10 with thread connection, and flange of rail adjusting pad S23 is contained between the housing S10 and the flange of rail as required.
Connect with circuit between sensor (near the switch) S21 that declares speed top S and the solenoid directional control valve Y7 of hydraulic press Y.
When wheel pushes up S to be lower than the critical speed of declaring the S setting of speed top by declaring speed, down pressing oil cylinder S2, the oil of oil cylinder S2 inner piston rod S15 epicoele between speed valve block S1 and pressure valve seat S4 the slit and the through hole on pressure valve seat S4 and piston rod S15 top flow to piston rod S15 cavity of resorption, when the pressure reduction of the speed valve block S1 top and bottom that its flow velocity produces is not enough to compression speed spring S3, speed valve block S1 does not close, declare speed top S and do not do braking work, the precompressed compression of the force rate load-bearing spring S19 that piston rod S15 is downward is little, load-bearing spring S19 is not compressed, piston rod S15 does not move down, piston rod S15 lower end and sensor (near switch) S21 has certain distance, the output of sensor (near switch) S21 no signal.When wheel pushes up S to be equal to or higher than the critical speed of declaring the S setting of speed top by declaring speed, down pressing oil cylinder S2, the oil of oil cylinder S2 inner piston rod S15 epicoele between speed valve block S1 and pressure valve seat S4 the slit and the through hole on pressure valve seat S4 and piston rod S15 top flow to piston rod S15 cavity of resorption, when the pressure reduction of the speed valve block S1 top and bottom that its flow velocity produces is enough to compression speed spring S3, speed valve block S1 closes, the oil of piston rod S15 epicoele can not flow to cavity of resorption, its increased pressure, in the downward power of piston rod S15 during greater than the precompressed compression of load-bearing spring S19, load-bearing spring S19 is compressed, piston rod S15 moves down, when the distance of piston rod S15 lower end and sensor (near switch) S21 is little during to design value, sensor (near switch) S21 just has signal output.Piston rod S15 continues to move down load-bearing spring S19 is compressed, when the pressure of oil cylinder S2 inner piston rod S15 epicoele continues to be elevated to the bearing force that can overcome pressure spring S14, pressure valve core S6 opens, and the oil of piston rod S15 epicoele flows to piston rod S15 cavity of resorption through the logical hydraulic fluid port of pressure valve port and piston rod S15; Oil cylinder is by under the pressure wheel, and piston rod S15 enters in the oil cylinder S2, and the pressure of compressed nitrogen raises, and when wheel leaves oil cylinder S2, stretches out at the effect lower piston rod S15 of compressed nitrogen, and under the effect of load-bearing spring S19 tension force, piston rod S15 and oil cylinder S2 rise and reset.The critical speed of declaring speed top S is main relevant with design value and the speed valve block S1 opened gap of speed spring S3.When speed valve block S1 did not close, the downward pressure of piston rod S15 was less than the precompressed compression of load-bearing spring S19, and pressure valve core S6 when opening the downward pressure of piston rod S15 greater than load-bearing spring S19 required power when compacted.
Claims (6)
1. energy self-supply type controllable stopping device, constitute by declaring fast top, hold-down arm and brake beam, it is characterized in that: declare the arrival end that the speed top is located at energy self-supply type controllable stopping device the place ahead skating vehicle, with bolt, the fastening outside that is installed in the circuit stock rail of nut, hold-down arm is installed on the stock rail flange of rail with internal track block, external track block, fastening with bolt, nut, internal track block top is shaped on an arm seat and connection arm hole, the bottom is shaped on connection rail hole, middle part one side is shaped on connection rail groove, opposite side is shaped on the joist seat, and external track block top is shaped on connection rail groove, and the bottom is shaped on connection rail hole; Brake beam is with above the fastening bolster holder that is installed in hold-down arm two ends left side support arm and right support arm of bolt, nut, left side support arm left end is shaped on spacing hole, and top is shaped on bolster holder and bolster seat, and right-hand member is shaped on connection cylinder hole and connection cylinder seat, right support arm left end is shaped on connection spring abutment and connection spring hole, right-hand member is shaped on spacing hole, and top is shaped on bolster holder and bolster seat, and the brake beam two ends are shaped on guide surface, the centre is shaped on connection arm hole, flange of rail face is made brake surface, is shaped on connection wheel hole on the joist, and two ends are shaped on breach.
2. energy self-supply type controllable stopping device according to claim 1 is characterized in that: hold-down arm is made up of left support arm, separation pad, protective cover, joist, hydraulic press, supporting-roller shaft, support roller, support roller axle sleeve, bearing spring seat, inner spring, outer spring, screw rod, right support arm, internal track block, support arm shaft, support arm axle sleeve, insulation tank, external track block and bolt, nut, spring washer, flat gasket and spring cotter; Internal track block and external track block with the connection rail groove that studs with insulation tank be installed on respectively the stock rail flange of rail in, the outside, use bolt, nut, spring washer and flat gasket are fastening, supporting-roller shaft is sleeved in the axis hole of support roller, support roller axle sleeve and support roller are installed in the middle of two joists, supporting-roller shaft is contained in the connection wheel hole and supporting-roller shaft trepanning of two joists, fastening with nut and spring washer, the two ends of joist are overlapped on respectively on the joist seat of internal track block, hydraulic press and right support arm are pressed in respectively on two support rollers, support arm shaft is installed in the spacing hole of left support arm and right support arm, be contained in the lump in the middle of the arm seat of internal track block, support arm shaft is by the connection arm hole and the support arm axle sleeve of internal track block, left support arm and right support arm are installed on the internal track block, spring cotter is installed in the hole that support arm shaft exposes, spacing sleeve is equipped with in the connection cylinder seat of left side support arm and the centre of hydraulic press, with socket bolt and spring washer by the connection cylinder hole on the left support arm and the connection arm screw on the hydraulic press cylinder body with left support arm with hydraulic press is fastening is installed together, the bottom of hydraulic press is pressed on the support roller, bearing seat on the hydraulic press plunger inserts in the shaft coupling seat of bearing spring seat, the pin-and-hole that the bearing pin of hydraulic press passes on the plunger connects hydraulic press and bearing spring seat, spring cotter is contained in the hole of bearing pin, the position-limited trough of bearing spring seat is sleeved on two joists, inner spring is sleeved in the outer spring, be contained in the lump on the connection spring abutment of the connection spring abutment of bearing spring seat and right support arm, screw rod passes the connection spring hole of bearing spring seat, the connection spring hole of inner spring and right support arm, use nut, flat gasket and spring cotter are with the bearing spring seat, inner spring, outer spring and the fastening connection of right support arm, the bottom of right support arm is pressed on another support roller, protective cover is pressed in holding on the cover seat of bearing spring seat, uses bolt, nut and spring washer be fastening to be installed in to have and to hold the cover seat, on the bearing spring seat in position-limited trough and connection cover hole.
3, energy self-supply type controllable stopping device according to claim 1 is characterized in that: hydraulic press is made of cylinder body, bleed serew, packing seal, cylinder cap, oscillating bearing, bearing pin, solenoid directional control valve, check valve, y-type seal ring, O RunddichtringO, guidance tape, dust ring, plunger, charge valve and bolt, spring washer and spring cotter; Bleed serew is pressed in the exhaust screw that is tightened in cylinder body top on the packing seal, solenoid directional control valve and check valve are with the relative respectively both sides that are fastened on cylinder body of socket bolt and spring washer, the charge valve side of thread connection at cylinder body, y-type seal ring, O RunddichtringO and guidance tape are sleeved in the corresponding groove of plunger, in the hydraulic cavities of cylinder body of packing in the lump, dust ring is contained in the seal groove of cylinder cap, cylinder cap is sleeved on the plunger, be fastened on the cylinder body with socket bolt and spring washer, oscillating bearing is contained in the bearing seat of plunger, bearing pin interts in the pin-and-hole of bearing spring seat and oscillating bearing hole, hydraulic press and bearing spring seat are connected, and accumulation of energy chamber one side of cylinder body connects separation pad and left support arm with socket bolt and spring washer.
4, energy self-supply type controllable stopping device according to claim 1 is characterized in that: declare the speed top and be made up of speed valve block, cylinder body, speed spring, pressure valve seat, circlip for shaft, pressure valve core, frizing dust ring, oil nozzle, backhaul throttle plate, housing, O RunddichtringO, seal cover cap, pressure spring, piston rod, bearing plate, spring cotter, sensor holder, load-bearing spring, magnetic shield, sensor, protective cover, flange of rail adjusting pad, spring washer, bolt and circlip for bore; Fill hydraulic oil and compressed nitrogen in the oil cylinder, pressure spring and pressure valve core are contained in the hole at piston rod middle part successively, the backhaul throttle plate is contained in the inside of pressure valve seat, and with pressure valve core suit mutually, in the endoporus on piston rod top, the speed spring is contained in the pressure valve seat circular groove pressure valve seat with thread connection, the speed valve block is sleeved on pressure valve seat top, be pressed on the speed spring, fix, constitute piston-rod assembly with circlip for shaft; Piston-rod assembly is contained in the cylinder body, and the O RunddichtringO is contained in respectively in the annular seal groove in hole and periphery in the seal cover cap, and seal cover cap is sleeved on the piston rod, and bottom in the cylinder body of packing into is fixed with circlip for shaft, constitutes the sliding oil cylinder assembly; The frizing dust ring is contained in the circular groove on housing top, the sliding oil cylinder assembly is inserted in the housing, bearing plate is sleeved on underpart of the piston rod, fix with spring cotter, with bearing plate mutually the load-bearing spring of crimping be contained in the sensor holder, sensor holder is tightened in lower part of frame with thread connection, sensor is tightened in the magnetic shield with thread connection, magnetic shield is tightened on the sensor holder with thread connection, protective cover is tightened in the magnetic shield outside with thread connection, housing is fastened on spring washer and Bolt Connection on the mounting hole of the stock rail web of the rail, and by the top that is tightened in housing, flange of rail adjusting pad is contained between the housing and the flange of rail oil nozzle with the screw thread connection.
5, according to claim 1 and the described energy self-supply type controllable stopping device of claim 3, it is characterized in that: cylinder body is an integral structure, with partition plate cylinder body is divided into accumulation of energy chamber and hydraulic cavities, accumulation of energy chamber top memory compressed nitrogen, the bottom is a hydraulic oil, establishes an oil through and connects solenoid directional control valve, and the bottom, side is established a screw and connect charge valve, establish a foundry technique hole below, this hole is sealed with the cover plate welding; An oil extraction screw is established on hydraulic cavities relief groove top, the middle part is established a logical hydraulic fluid port and is connect solenoid directional control valve, and the cylinder body two ends are shaped on connection arm screw and Lian Gai screw respectively, in order to connect left support arm and seal cover cap, be shaped on logical hydraulic fluid port between two valves on the partition plate, logical hydraulic fluid port two ends connect solenoid directional control valve and check valve respectively.
6, energy self-supply type controllable stopping device according to claim 1 is characterized in that: charge valve is made up of hexagonal socket head plug, spring, tightening seal washer, valve body, spool, steel ball, valve gap and packing seal; Steel ball is twisted with the fingers on the spool, and spool and spring are packed in the valve body successively, are screwed into valve body with hexagonal socket head plug and are pressed on the spring, packing seal is pressed on the through hole of valve body, valve gap is tightened on the valve body with thread connection, the pinch-off seal pad, and valve body is tightened on the cylinder body of hydraulic press with thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100593370A CN100389037C (en) | 2005-03-29 | 2005-03-29 | Energy self-supply type controllable stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100593370A CN100389037C (en) | 2005-03-29 | 2005-03-29 | Energy self-supply type controllable stopping device |
Publications (2)
| Publication Number | Publication Date |
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| CN1840399A true CN1840399A (en) | 2006-10-04 |
| CN100389037C CN100389037C (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100593370A Expired - Fee Related CN100389037C (en) | 2005-03-29 | 2005-03-29 | Energy self-supply type controllable stopping device |
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| CN (1) | CN100389037C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275595A (en) * | 2011-05-20 | 2011-12-14 | 郑州三方科技有限公司 | Lifting brake mechanism for anti-running device |
| CN102320313A (en) * | 2011-07-06 | 2012-01-18 | 沈阳铁研科技有限公司 | Normal state brake controllable parking device |
| CN105799731A (en) * | 2014-11-21 | 2016-07-27 | 马鞍山市华宇环保设备制造有限公司 | Parking method for two-way braking anti-rolling system on railway line |
| CN105799732A (en) * | 2014-11-21 | 2016-07-27 | 马鞍山市华宇环保设备制造有限公司 | Parking method of two-way anti-rolling devices of freight train |
| CN105857334A (en) * | 2014-11-21 | 2016-08-17 | 马鞍山市华宇环保设备制造有限公司 | Parking method of anti-sliding device of cargo train |
| CN109927759A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Hydraulically locking device |
| CN109927760A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Ramp to stop device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1605349A1 (en) * | 1967-02-28 | 1971-03-11 | Kloeckner Werke Ag | Device for regulating the speed of rolling railroad cars |
| CN2101004U (en) * | 1991-07-19 | 1992-04-08 | 沈阳铁路局吉林科学技术研究所 | Anti-slide device of train car |
| CN2137224Y (en) * | 1992-04-25 | 1993-06-30 | 沈阳铁路局站场调速系统研究设计中心 | One-way self-lock deceleration top |
| CN2146401Y (en) * | 1993-01-14 | 1993-11-17 | 沈阳铁路局科技开发公司 | Railway stop |
| CN2146402Y (en) * | 1993-01-14 | 1993-11-17 | 沈阳铁路局科技开发公司 | Controllable railway stop |
| CN2193844Y (en) * | 1993-09-20 | 1995-04-05 | 杨恩久 | Plunger car retarder |
| CN1061004C (en) * | 1996-06-28 | 2001-01-24 | 杨恩久 | Pneumatic controllable parking device |
| CN2808680Y (en) * | 2005-06-17 | 2006-08-23 | 杨恩久 | Self-powered control train parking device |
-
2005
- 2005-03-29 CN CNB2005100593370A patent/CN100389037C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275595A (en) * | 2011-05-20 | 2011-12-14 | 郑州三方科技有限公司 | Lifting brake mechanism for anti-running device |
| CN102320313A (en) * | 2011-07-06 | 2012-01-18 | 沈阳铁研科技有限公司 | Normal state brake controllable parking device |
| CN105799731A (en) * | 2014-11-21 | 2016-07-27 | 马鞍山市华宇环保设备制造有限公司 | Parking method for two-way braking anti-rolling system on railway line |
| CN105799732A (en) * | 2014-11-21 | 2016-07-27 | 马鞍山市华宇环保设备制造有限公司 | Parking method of two-way anti-rolling devices of freight train |
| CN105857334A (en) * | 2014-11-21 | 2016-08-17 | 马鞍山市华宇环保设备制造有限公司 | Parking method of anti-sliding device of cargo train |
| CN105857334B (en) * | 2014-11-21 | 2017-12-12 | 马鞍山市华宇环保设备制造有限公司 | A kind of parking method of the anti roll device of cargo train |
| CN109927759A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Hydraulically locking device |
| CN109927760A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Ramp to stop device |
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| Publication number | Publication date |
|---|---|
| CN100389037C (en) | 2008-05-21 |
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Effective date of registration: 20180523 Address after: 110027 development of No. 26 North Road, Shenyang economic and Technological Development Zone, Shenyang, Liaoning, China 5 Patentee after: Shenyang Zhongtie Safe Equipment Co., Ltd. Address before: 110006 9-2-6-1, 9 Zhenxing street, Heping District, Shenyang, Liaoning Patentee before: Yang Enjiu |
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