CN104228869A - Ascending and descending type integral beam parking anti-running device - Google Patents
Ascending and descending type integral beam parking anti-running device Download PDFInfo
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- CN104228869A CN104228869A CN201410462982.6A CN201410462982A CN104228869A CN 104228869 A CN104228869 A CN 104228869A CN 201410462982 A CN201410462982 A CN 201410462982A CN 104228869 A CN104228869 A CN 104228869A
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Abstract
The invention provides an ascending and descending type integral beam parking anti-running device, which comprises a support beam and a double-action oil cylinder arranged on the support beam, wherein the left end part and the right end part of the double-action oil cylinder are respectively and fixedly connected with a left support seat and a right support seat, the top surface of the left support seat and the top surface of the right support seat are respectively and fixedly provided with a left braking rail and a right braking rail, the left support seat and the right support seat are respectively connected with a left fixing seat and a right fixing seat through a left rocking bar and a right rocking bar, the left fixing seat and the right fixing seat are fixedly arranged at the left end and the right end of the support beam, the two ends of the left rocking bar are respectively and movably connected with the right support seat and the right fixing seat through right pin shafts, and the two ends of the right rocking bar are respectively and movably connected with the left support seat and the left fixing seat through left pin shafts. The ascending and descending type integral beam parking anti-running device has the advantages that the anti-running performance is reliable, the resistance is small, the braking and releasing time is shortened, the design is reasonable, the structure is simple, the use and the maintenance are convenient, and the installation is simple.
Description
Technical field
The present invention relates to a kind of lifting mode unjointed beam parking anti-slip device.
Background technology
Current tail throat of a hump yard of China stopping device anti-skid device, from result of use, comes with some shortcomings.Hydraulic spring grease cup type and electric spring type actuating unit, because braking or alleviation need action of the spring, spring uses the hydraulic performance decline of tired rear actuating unit, causes actuating unit to alleviate thoroughly, reduces anti-slip ability and the reliability of stopping device anti-slip device.
All-hydraulic type actuating unit braking and the effect alleviated by hydraulic ram, the movement of actuating unit end is cliding friction, friction drag is large, braking and remission time long, simultaneously actuating unit braking and to alleviate location unreliable, vehicle by or braking time can produce additional resistance or cause wheel eccentric wear phenomenon, and this complex structure, install and maintenance inconvenience, use cost is high.
The common weak point of these two kinds of actuating units is: braking and when alleviating actuating unit limit for height (actuating unit apart from rail level most rise from) substantially remain unchanged, during alleviation, to produced sometimes by train transfinite may, affect traffic safety; Brake limit for height lower, brake energy height is lower simultaneously, and anti-slip ability seems that some is not enough.
Summary of the invention
Object one of the present invention is the movement of the actuating unit end solved existing for current tail throat of a hump yard of China stopping device anti-skid device is cliding friction, causes friction drag large, the defect of braking and remission time length;
Object two be the limit for height overcoming existing stopping device anti-skid device substantially immobilize when causing alleviating to produced by train transfinite may and braking time limit for height lower and defect that brake energy height that is that cause is lower.
Object three overcomes braking that existing stopping device anti-skid device exists and alleviate location unreliable, and can produce additional resistance when causing vehicle to pass through or brake or cause wheel eccentric wear phenomenon, and this complex structure, install and maintenance inconvenience, use cost is high.
Object four overcomes existing stopping device anti-skid device without actuating unit in unjointed beam structure to the unbalance stress of stock rail.
Concrete solution of the present invention is:
A kind of lifting mode unjointed beam parking anti-slip device, comprise support beam (21), be arranged on the upper two-way cylinder (14) of support beam (21), the left and right end portions of this two-way cylinder (14) is respectively fixedly connected with a left support seat (13a), one right support seat (13b), the end face of left support seat (13a) and right support seat (13b) is each fixes a left braking rail (12a) and a right braking rail (12b), it is characterized in that: described left support seat (13a) and right support seat (13b) are respectively by left rocking bar (10a), right rocking bar (10b) and the left permanent seat (22a) at two ends, left and right being fixed on support beam (21), right permanent seat (22b) connects,
The two ends of left rocking bar (10a) are actively coupled respectively by right bearing pin (11) and right support seat (13b), right permanent seat (22b);
The two ends of right rocking bar (10b) are actively coupled respectively by left bearing pin (9) and left support seat (13a), left permanent seat (22a).
The end face of described support beam (21) is provided with left limit block (16a) and the right limit block (16b) of the interior side-lower being placed in described left support seat (13a) and right support seat (13b) respectively;
Described left support seat (13a) and the inner bottom of right support seat (13b) be provided with one to downward-extension and with the salient (23,24) that described left limit block (16a) contacts with the inside top of right limit block (16b), what coordinate the limit for height of the retarder location limiting this parking anti-slip device and the original braking operation position of left braking rail (12a) and right braking rail (12b) with described left limit block (16a) and right limit block (16b) opens a grade size;
The end face of described support beam (21) is provided with left support block (17a) and the right support block (17b) of the inner side being placed in left limit block (16a) and right limit block (16b);
The lateral surface of described left support block (17a) and right support block (17b) presses respectively on the medial surface of described left limit block (16a) and right limit block (16b), in order to limit the moving range of left braking rail (12a) and right braking rail (12b).
Support beam (21) is integral type joist.
Every platform lifting mode unjointed beam parking anti-slip device is made up of 4 to 6 parallel support beams (21).
The two ends of support beam (21) are provided with foundary weight (1), taper liner plate (2), adjustment plate (3), upper insulation plate (4), lower insulation sleeve (5), locking channel (6) and bolt (7); This support beam (21) utilizes bolt (7) to be fixed on stock rail (8) by foundary weight (1), taper liner plate (2), adjustment plate (3), upper insulation plate (4), lower insulation sleeve (5), locking channel (6) successively, and described foundary weight (1), taper liner plate (2), adjustment plate (3), insulcrete (4) are pressed on the end face of stock rail (8) from top to bottom, described lower insulation sleeve (5), locking channel (6) are pressed on the bottom surface of stock rail (8) from bottom to top.
Two-way cylinder (14) is double acting single pole serial oil cylinders, comprise cylinder body I (25), the cylinder body II (26) of connecting with cylinder body I (25) one end, be arranged on the piston rod (27) that cylinder body I (25) is inner, piston (28) and orienting sleeve (29), piston (28) is placed in cylinder body I (25) and the other end connects with piston rod (27), orienting sleeve (29) is placed in cylinder body I (25) one end, piston rod (27) one end connects with the inner of the plunger rod (30) be arranged in cylinder body II (26) through this orienting sleeve (29), between cylinder body I (25) and piston (28), between piston rod (29) and orienting sleeve (29), containment member is provided with between cylinder body II (26) and plunger rod (30), piston rod (27) and piston (28) are structure as a whole, flow ring I (31), flow ring II (32) and the flow ring III (33) be made up of PTEF+BRONZE is provided with between cylinder body I (25) and piston (28), between piston rod (27) and orienting sleeve (29), between cylinder body II (26) plunger rod (30),
Described piston (28) is one, and described flow ring I (31) is two, is separately positioned on the interior outer end of piston (28), and piston (28) is therebetween provided with oil sealing I (34) outward and between cylinder body I (25) inwall;
Flow ring II (32) is two, is separately positioned on the interior outer end of orienting sleeve (29), is provided with oil sealing II (35) between orienting sleeve (29) inwall therebetween and piston rod (27);
Flow ring III (33) is two, is arranged on plunger rod (30) inner end vertically, and plunger rod (30) is therebetween provided with oil sealing III (36) outward and between cylinder body II (26) inwall;
Oil sealing I (34), oil sealing II (35) and oil sealing III (36) are all two, arrange vertically;
Casing wall between the end cap (37) of described piston (28) and cylinder body I (25) offers oilhole I (38), communicates with the end working oil chamber (39) surrounded by end cap (37), piston (28) and the part cylinder body of cylinder body I (25) that is placed between end cap (37) with piston (28);
The cylinder wall of the cylinder body II (26) between the inner end of described plunger rod (30) and orienting sleeve (29) offers oilhole III (40), communicates with the right working oil chamber (41) surrounded by plunger rod (30), orienting sleeve (29) and described cylinder wall;
The casing wall of the cylinder body I (25) between described piston (28) and orienting sleeve (29) offers oilhole II (42), and the left working oil chamber (43) surrounded with another part cylinder body by the cylinder body I (25) be placed between piston (28) with orienting sleeve (29) communicates;
The sectional area of plunger rod (30) is at least 2 times of the sectional area of piston rod (27);
The length of cylinder body II (26) is at least 1 times of the diameter dimension of plunger rod (30);
Rigid attachment of feeling relieved is adopted between piston rod (27) and plunger rod (30).
The invention has the beneficial effects as follows:
This lifting mode unjointed beam parking anti-slip device major advantage is as follows:
(1) effect of hydraulic ram 14 is all leaned in braking and alleviation, anti-slip stable and reliable for performance:
Actuating unit adopts our company's special-purpose hydraulic cylinder 14 to realize braking and the alleviation of lifting mode unjointed beam parking anti-slip device, and oil cylinder 14 is braked and alleviated dependable performance, meets stopping device to the anti-slip needs of vehicle and reliability.
(2) to be provided with stop gear centering reliable for braking and alleviation:
Lifting mode unjointed beam parking anti-slip device braking and when alleviating, unjointed beam 21 is provided with positive stop 16 and back-up block 17, and actuating unit centering is reliable, vehicle by time there will not be and rub wheel phenomenon.
(3) executive item moves as friction of rolling, and resistance is little, braking and alleviation time shorten:
The movement of actuating unit is rotated mobile by the bearing pin 9 between supporting seat 13 and connecting rod 10, friction drag is little, and flexible movements are reliable, and braking and remission time shorten greatly.
(4) reasonable in design, structure is simple, convenient maintenance:
Lifting mode unjointed beam parking anti-slip device actuating unit adopts unjointed beam 21, braking rail 12, supporting seat 13, oil cylinder 14 unitized construction, eliminate axial stress deformation, flexible movements, mechanical strength is high, safety factor is large, alleviate thoroughly, car team carries out shunting service, can not collide and interfere, and major part whole of life is more than an overhaul period.
(5) install simple, easy to maintenance:
Lifting mode unjointed beam parking anti-slip device is directly installed on stock rail 8, quick and easy for installation, only need block this station track during installation, noiseless to adjacent line operation, and it is simple, convenient to safeguard.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the I portion enlarged diagram in Fig. 1.
Fig. 3 is the structural representation of double acting single pole serial oil cylinders.
Fig. 4 is the A-A cutaway view of Fig. 3.
Description of reference numerals: 1, foundary weight; 2, taper liner plate; 3, plate is adjusted; 4, insulcrete; 5, insulation sleeve; 6, locking channel; 7, bolt; 8, stock rail; 9, bearing pin; 10, rocking bar; 11, stub axle; 12, braking rail; 13, supporting seat; 14, oil cylinder; 15, travel switch; 16, positive stop; 17-back-up block; 18-oil pipe position-limited trough; 19, oil pipe is alleviated; 20, brake pipe; 21, unjointed beam; 22, permanent seat; 23,24, salient; 25, cylinder body I; 26, cylinder body II; 27, piston rod; 28, piston; 29, orienting sleeve; 30, plunger rod; 31, flow ring I; 32, flow ring II; 33, flow ring III; 34, oil sealing I; 35, oil sealing II; 36, oil sealing III; 37, end cap; 38, oilhole I; 39, end working oil chamber; 40, oilhole III; 41, right working oil chamber; 42, oilhole II; 43, left working oil chamber; 44, semi-ring; 45, flange.
Detailed description of the invention
Present embodiments provide the lifting mode unjointed beam parking anti-slip device shown in a kind of Fig. 1, except the two-way cylinder 14 be arranged on support beam 21, left and right parts are all with basic circuit Central Symmetry, parts mainly comprise the left support seat 13a being fixed on two-way cylinder left and right end portions, one right support seat 13b, the end face of left support seat 13a and right support seat 13b is each fixes an a left braking rail 12a and right braking rail 12b, and this left support seat 13a and right support seat 13b is respectively by left rocking bar 10a, right rocking bar 10b and the left permanent seat 22a at two ends, left and right being fixed on support beam 21, right permanent seat 22b connects,
Wherein, the two ends of left rocking bar 10a are actively coupled with right support seat 13b, right permanent seat 22b respectively by right bearing pin 11; The two ends of right rocking bar 10b are actively coupled with left support seat 13a, left permanent seat 22a respectively by left bearing pin 9.Left support seat 13a is connected with left braking rail 12a and right braking rail 12b by bolt with right support seat 13b outer end; Left support seat 13a is connected with two-way cylinder 14 by bolt with right support seat 13b the inner; The oil inlet and outlet of two-way cylinder 14 respectively with the brake pipe 20 be arranged on support beam 21, alleviate oil pipe 19 and be connected.
This technical scheme adopts double rocking lever five-rod principle, achieves and stops and vehicle anti-skid function to car retardation.
Oil cylinder 14 adopts double acting single pole serial oil cylinders, as Fig. 3, shown in 4, comprise cylinder body I 25, the cylinder body II 26 of connecting with cylinder body I 25 one end, be arranged on the piston rod 27 of cylinder body I 25 inside, piston 28 and orienting sleeve 29, piston 28 is placed in cylinder body I 25 and the other end connects with piston rod 27, orienting sleeve 29 is placed in cylinder body I 25 one end, piston rod 27 one end connects with the inner of the plunger rod 30 be arranged in cylinder body II 26 through this orienting sleeve 29, between cylinder body I 25 and piston 28, between piston rod 29 and orienting sleeve 29, containment member is provided with between cylinder body II 26 and plunger rod 30, piston rod 27 and piston 28 are structure as a whole, flow ring I 31, flow ring II 32 and the flow ring III 33 be made up of PTEF+BRONZE is provided with between cylinder body I 25 and piston 28, between piston rod 27 and orienting sleeve 29, between cylinder body II 26 plunger rod 30, piston 28 is one, and described flow ring I 31 is two, is separately positioned on the interior outer end of piston 28, is provided with oil sealing I 34 outside piston 28 therebetween and between cylinder body I 25 inwall.
Flow ring II 32 is two, is separately positioned on the interior outer end of orienting sleeve 29, is provided with oil sealing II 35 between orienting sleeve 29 inwall therebetween and piston rod 27; Flow ring III 33 is two, is arranged on plunger rod 30 inner end vertically, is provided with oil sealing III 36 outside plunger rod 30 therebetween and between cylinder body II 26 inwall; Oil sealing I 34, oil sealing II 35 and oil sealing III 36 are all two, arrange vertically; Casing wall between the end cap 37 of piston 28 and cylinder body I 25 offers oilhole I 38, communicates with the end working oil chamber 39 surrounded by end cap 37, piston 28 and the part cylinder body of cylinder body I 25 that is placed between end cap 37 with piston 28; The cylinder wall of the cylinder body II 26 between the inner end of plunger rod 30 and orienting sleeve 29 offers oilhole III 40, communicates with the right working oil chamber 41 surrounded by plunger rod 30, orienting sleeve 29 and described cylinder wall; The casing wall of the cylinder body I 25 between piston 28 and orienting sleeve 29 offers oilhole II 42, and the left working oil chamber 43 surrounded with another part cylinder body by the cylinder body I 25 be placed between piston 28 with orienting sleeve 29 communicates; The sectional area of plunger rod 30 is at least 2 times of the sectional area of piston rod 27; The length of cylinder body II 26 is at least 1 times of the diameter dimension of plunger rod 30; Rigid attachment of feeling relieved is adopted between piston rod 27 and plunger rod 30.Plunger rod 30 outer end to be fixedly connected a flange 45 by the semi-ring 44 be fastened on its periphery wall, as pre-draw bail.Cylinder body I 25, cylinder body II 26 adopt solid drawn tube together with the flange welding of front and back.
The plunger rod reasonable stress of this oil cylinder, good rigidly, have can under the complex working condition that anti-eccentric stand under load, resistance to shock loads and moment of flexure are large the advantage such as stable operation.
Support beam 21 adopts unjointed beam structure and integral type joist, improves the intensity of actuating unit, to solve without actuating unit in unjointed beam structure stock rail force-bearing situation, makes stock rail reasonable stress.
The end face of support beam 21 is provided with left limit block 16a and the right limit block 16b of the interior side-lower being placed in left support seat 13a and right support seat 13b respectively; Left support seat 13a and the inner bottom of right support seat 13b be provided with one to downward-extension and with the salient 23,24 that described left limit block 16a contacts with the inside top of right limit block 16b, what coordinate the limit for height of the retarder location limiting this parking anti-slip device and the original braking operation position of left braking rail 12a and right braking rail 12b with left limit block 16a and right limit block 16b opens a grade size; On the end face of support beam 21, be also provided with left support block 17a and the right support block 17b of the inner side being placed in left limit block 16a and right limit block 16b simultaneously; The lateral surface of left support block 17a and right support block 17b presses respectively on the medial surface of described left limit block 16a and right limit block 16b, in order to limit the moving range of left braking rail 12a and right braking rail 12b, meet left braking rail 12a and right braking rail 12b alleviation when alleviating position limit for height and alleviate and open a grade size.During being arranged so that the braking of this device and alleviating of left limit block 16a and right limit block 16b and left support block 17a and right support block 17b, actuating unit accurate positioning, centering are reliable, vehicle by time there will not be and rub wheel phenomenon.
As shown in Figure 2, the two ends of support beam 21 are provided with foundary weight 1, taper liner plate 2, adjustment plate 3, upper insulation plate 4, lower insulation sleeve 5, locking channel 6 and bolt 7; This support beam 21 utilizes bolt 7 to be fixed on stock rail 8 by foundary weight 1, taper liner plate 2, adjustment plate 3, upper insulation plate 4, lower insulation sleeve 5, locking channel 6 successively, and described foundary weight 1, taper liner plate 2, adjustment plate 3, insulcrete 4 are pressed on the end face of stock rail 8 from top to bottom, described lower insulation sleeve 5, locking channel 6 are pressed on the bottom surface of stock rail 8 from bottom to top.Every platform lifting mode unjointed beam parking anti-slip device is made up of 4 to 6 parallel support beams 21.
Principle of work of the present invention: when action, the move mode at actuating unit two ends and left support seat 13a and right support seat 13b are actively coupled by bearing pin respectively by left rocking bar 10a, right rocking bar 10b and left permanent seat 22a, the right permanent seat 22b at the two ends, left and right being fixed on support beam 21, its move mode is for rolling, thus the device move mode overcome in background technology is the shortcoming of sliding, and then reduce friction drag, shorten braking and remission time.
And the limit for height of actuating unit is high (during braking during the braking of this anti-skid device, left support seat 13a and right support seat 13b outwards movement under the thrust of two-way cylinder 14, drive rotate with it the left rocking bar 10a of connection, right rocking bar 10b respectively with left permanent seat 22a, right permanent seat 22b for fulcrum outwards rotates, make the height lifting of left support seat 13a and right support seat 13b caused) simultaneously, the braking energy of anti-slip device is tall and big, anti-slip effective; During alleviation, the limit for height of actuating unit is low, and (left support seat 13a and right support seat 13b moves inward under the pulling force effect of two-way cylinder 14, drive rotate with it the left rocking bar 10a of connection, right rocking bar 10b respectively with left permanent seat 22a, right permanent seat 22b for fulcrum inwardly rotates, thus it is caused to make the height of left support seat 13a and right support seat 13b decline), the traffic safety by vehicle can be ensured completely, when overcoming existing alleviation, to being produced the possibility transfinited sometimes by train, affect traffic safety.
Left support seat 13a is contacted with right limit block 16b by the left limit block 16a be arranged on support beam 21 with right support seat 13b, and what limit the limit for height of retarder location and the original braking operation position of left braking rail 12a and right braking rail 12b opens a grade size; On support beam 21, be also provided with the moving range that left support block 17a and right support block 17b limits actuating unit simultaneously, meet left braking rail 12a and right braking rail 12b alleviation when alleviating position limit for height and alleviate and open a grade size.During being arranged so that the braking of this device and alleviating of left limit block 16a and right limit block 16b and left support block 17a and right support block 17b, actuating unit accurate positioning, centering are reliable, vehicle by time there will not be and rub wheel phenomenon.
The two ends of this device joist 21 are provided with foundary weight 1, taper liner plate 2, adjustment plate 3, insulcrete 4, insulation sleeve 5, locking channel 6 and bolt 7; Joist 21 utilizes bolt 7, and logical foundary weight 1, taper liner plate 2, adjustment plate 3, insulcrete 4, insulation sleeve 5, locking channel 6 are fixed on stock rail 8 successively.Because whole device is all fixed with bolts, make the installation of whole device, convenient disassembly.Only this station track need be blocked during installation, noiseless to adjacent line operation.
This device is also provided with oil pipe position-limited trough 18 and is arranged on brake pipe on support beam 21 20 and alleviates oil pipe 19 and access two-way cylinder 14.The hydraulic oil controlling access two-way cylinder 14 flows to, thus controls the flexible of actuating unit.Be arranged on the travel switch 15 on two-way cylinder 14, for triggering braking or mitigation signal.
The present invention is exclusively used in mark gauge 1435
mm, stock rail 8 rail type is the hump marshalling station of 50kg/m or 43kg/m, and actuating unit is directly installed on the stock rail 8 of circuit, does not need installation foundation, generally presses 3-5 joint and arranges, can increase and decrease joint number as required.
Working process of the present invention and mode:
Actuating unit of the present invention has to vehicle parking deceleration with to vehicle anti-skid effect, and the implementation procedure of each working position is described below respectively:
Implementation procedure to vehicle parking deceleration effort:
Vehicle does not enter parking deceleration area, and control desk sends braking instruction to parking anti-running device, and parking anti-running device hydraulic efficiency pressure system starts, and carries out oil transportation supercharging to brake pipe 20.When brake pipe 20 carrys out hydraulic oil, hydraulic oil enters the brake chamber of oil cylinder 14, hydraulic oil promotes the piston rod outwards movement of oil cylinder 14, the bearing pin 9 of permanent seat 22 on unjointed beam 21 of the connecting rod mechanism that is made up of rocking bar 10, supporting seat 13, oil cylinder 14 and rocking bar 10 is rotated, two end supports seat 13 lower outside end face is contacted with the positive stop 16 on unjointed beam 21.Cause the braking rail 12 connected with supporting seat 13 to rise, the distance between braking rail 12 both ends of the surface is greater than distance inside wheel, and braking rail 12 rises to braking limit for height height simultaneously.Travel switch 15 now on oil cylinder exports a speed-slackening signal by the effect of depression bar, represents that this mechanism is in braking mode.Actuating unit to prepare to slip into vehicle carry out decelerations enforcement parking deceleration effort.
When car retardation is to required speed, control desk sends alleviation instruction to parking anti-running device, and parking anti-running device hydraulic efficiency pressure system starts, and carries out oil transportation supercharging to alleviation oil pipe 19.When alleviating oil pipe 19 and carrying out hydraulic oil, hydraulic oil enters the alleviation chamber of oil cylinder 14, the piston rod that hydraulic oil promotes oil cylinder 14 moves inward, the bearing pin 9 of permanent seat 22 on unjointed beam 21 of the connecting rod mechanism that is made up of rocking bar 10, supporting seat 13, oil cylinder 14 and rocking bar 10 is rotated, two end supports seat 13 lower end surface is contacted with the back-up block 17 on unjointed beam 21.Cause the braking rail 12 connected with supporting seat 13 to fall, the distance between braking rail 12 both ends of the surface is less than distance inside wheel, and braking rail 12 drops to and alleviates limit for height height simultaneously.Travel switch 15 now on oil cylinder 14 exports a mitigation signal by the effect of depression bar, represents that this mechanism is in relieved state.Actuating unit loses the effect to vehicle, and vehicle can pass through from actuating unit.
Implementation procedure to vehicle anti-skid effect:
Vehicle has entered parking deceleration area and has stopped, and control desk sends braking instruction to parking anti-running device, and parking anti-running device hydraulic efficiency pressure system starts, and carries out oil transportation supercharging to brake pipe 20.When brake pipe 20 carrys out hydraulic oil, hydraulic oil enters the brake chamber of oil cylinder 14, hydraulic oil promotes the piston rod outwards movement of oil cylinder 14, the bearing pin 9 of permanent seat 22 on unjointed beam 21 of the connecting rod mechanism that is made up of rocking bar 10, supporting seat 13, oil cylinder 14 and rocking bar 10 is rotated, two end supports seat 13 lower outside end face is contacted with the positive stop 16 on unjointed beam 21.Cause the braking rail 12 connected with supporting seat 13 to rise, the distance between braking rail 12 both ends of the surface is greater than distance inside wheel, and braking rail 12 rises to braking limit for height height simultaneously.Travel switch 15 now on oil cylinder exports a speed-slackening signal by the effect of depression bar, represents that this mechanism is in braking mode.Actuating unit implements anti-slip effect to slipping into the vehicle of parking.
When vehicle to start dispatch a car time, control desk sends alleviation instruction to parking anti-running device, parking anti-running device hydraulic efficiency pressure system start, to alleviation oil pipe 19 carry out oil transportation supercharging.When alleviating oil pipe 19 and carrying out hydraulic oil, hydraulic oil enters the alleviation chamber of oil cylinder 14, the piston rod that hydraulic oil promotes oil cylinder 14 moves inward, the bearing pin 9 of permanent seat 22 on unjointed beam 21 of the connecting rod mechanism that is made up of rocking bar 10, supporting seat 13, oil cylinder 14 and rocking bar 10 is rotated, two end supports seat 13 lower end surface is contacted with the back-up block 17 on unjointed beam 21.Cause the braking rail 12 connected with supporting seat 13 to fall, the distance between braking rail 12 both ends of the surface is less than distance inside wheel, and braking rail 12 drops to and alleviates limit for height height simultaneously.Travel switch 15 now on oil cylinder 14 exports a mitigation signal by the effect of depression bar, represents that this mechanism is in relieved state.Actuating unit loses the effect to vehicle, and vehicle can pass through from actuating unit.
Under HYDRAULIC CONTROL SYSTEM, oil cylinder 14 repeats braking and alleviates two mode of operations, drives actuating unit to rise (braking mode) and (relieved state) action that declines.When actuating unit rises, actuating unit can to slip into vehicle implement anti-slip effect, can to prepare to slip into vehicle carry out decelerations enforcement parking effect.Therefore this lifting mode unjointed beam parking anti-slip device both can work as stopping device use, anti-slip device can be worked as again and used.
Claims (6)
1. a lifting mode unjointed beam parking anti-slip device, comprise support beam (21), be arranged on the upper two-way cylinder (14) of support beam (21), the left and right end portions of this two-way cylinder (14) is respectively fixedly connected with a left support seat (13a), one right support seat (13b), the end face of left support seat (13a) and right support seat (13b) is each fixes a left braking rail (12a) and a right braking rail (12b), it is characterized in that: described left support seat (13a) and right support seat (13b) are respectively by left rocking bar (10a), right rocking bar (10b) and the left permanent seat (22a) at two ends, left and right being fixed on support beam (21), right permanent seat (22b) connects,
The two ends of left rocking bar (10a) are actively coupled respectively by right bearing pin (11) and right support seat (13b), right permanent seat (22b);
The two ends of right rocking bar (10b) are actively coupled respectively by left bearing pin (9) and left support seat (13a), left permanent seat (22a).
2. lifting mode unjointed beam parking anti-slip device as claimed in claim 1, is characterized in that: the end face of described support beam (21) is provided with left limit block (16a) and the right limit block (16b) of the interior side-lower being placed in described left support seat (13a) and right support seat (13b) respectively;
Described left support seat (13a) and the inner bottom of right support seat (13b) be provided with one to downward-extension and with the salient (23,24) that described left limit block (16a) contacts with the inside top of right limit block (16b), what coordinate the limit for height of the retarder location limiting this parking anti-slip device and the original braking operation position of left braking rail (12a) and right braking rail (12b) with described left limit block (16a) and right limit block (16b) opens a grade size;
The end face of described support beam (21) is provided with left support block (17a) and the right support block (17b) of the inner side being placed in left limit block (16a) and right limit block (16b);
The lateral surface of described left support block (17a) and right support block (17b) presses respectively on the medial surface of described left limit block (16a) and right limit block (16b), in order to limit the moving range of left braking rail (12a) and right braking rail (12b).
3. lifting mode unjointed beam parking anti-slip device as claimed in claim 1 or 2, is characterized in that: described support beam (21) is integral type joist.
4. lifting mode unjointed beam parking anti-slip device as claimed in claim 1 or 2, is characterized in that: described every platform lifting mode unjointed beam parking anti-slip device is made up of 4 to 6 parallel support beams (21).
5. lifting mode unjointed beam parking anti-slip device as claimed in claim 1 or 2, is characterized in that: the two ends of described support beam (21) are provided with foundary weight (1), taper liner plate (2), adjustment plate (3), upper insulation plate (4), lower insulation sleeve (5), locking channel (6) and bolt (7); This support beam (21) utilizes bolt (7) to be fixed on stock rail (8) by foundary weight (1), taper liner plate (2), adjustment plate (3), upper insulation plate (4), lower insulation sleeve (5), locking channel (6) successively, and described foundary weight (1), taper liner plate (2), adjustment plate (3), insulcrete (4) are pressed on the end face of stock rail (8) from top to bottom, described lower insulation sleeve (5), locking channel (6) are pressed on the bottom surface of stock rail (8) from bottom to top.
6. lifting mode unjointed beam parking anti-slip device as claimed in claim 1 or 2, it is characterized in that: described two-way cylinder (14) is double acting single pole serial oil cylinders, comprise cylinder body I (25), the cylinder body II (26) of connecting with cylinder body I (25) one end, be arranged on the piston rod (27) that cylinder body I (25) is inner, piston (28) and orienting sleeve (29), piston (28) is placed in cylinder body I (25) and the other end connects with piston rod (27), orienting sleeve (29) is placed in cylinder body I (25) one end, piston rod (27) one end connects with the inner of the plunger rod (30) be arranged in cylinder body II (26) through this orienting sleeve (29), between cylinder body I (25) and piston (28), between piston rod (29) and orienting sleeve (29), containment member is provided with between cylinder body II (26) and plunger rod (30), piston rod (27) and piston (28) are structure as a whole, flow ring I (31), flow ring II (32) and the flow ring III (33) be made up of PTEF+BRONZE is provided with between cylinder body I (25) and piston (28), between piston rod (27) and orienting sleeve (29), between cylinder body II (26) plunger rod (30),
Described piston (28) is one, and described flow ring I (31) is two, is separately positioned on the interior outer end of piston (28), and piston (28) is therebetween provided with oil sealing I (34) outward and between cylinder body I (25) inwall;
Flow ring II (32) is two, is separately positioned on the interior outer end of orienting sleeve (29), is provided with oil sealing II (35) between orienting sleeve (29) inwall therebetween and piston rod (27);
Flow ring III (33) is two, is arranged on plunger rod (30) inner end vertically, and plunger rod (30) is therebetween provided with oil sealing III (36) outward and between cylinder body II (26) inwall;
Oil sealing I (34), oil sealing II (35) and oil sealing III (36) are all two, arrange vertically;
Casing wall between the end cap (37) of described piston (28) and cylinder body I (25) offers oilhole I (38), communicates with the end working oil chamber (39) surrounded by end cap (37), piston (28) and the part cylinder body of cylinder body I (25) that is placed between end cap (37) with piston (28);
The cylinder wall of the cylinder body II (26) between the inner end of described plunger rod (30) and orienting sleeve (29) offers oilhole III (40), communicates with the right working oil chamber (41) surrounded by plunger rod (30), orienting sleeve (29) and described cylinder wall;
The casing wall of the cylinder body I (25) between described piston (28) and orienting sleeve (29) offers oilhole II (42), and the left working oil chamber (43) surrounded with another part cylinder body by the cylinder body I (25) be placed between piston (28) with orienting sleeve (29) communicates;
The sectional area of plunger rod (30) is at least 2 times of the sectional area of piston rod (27);
The length of cylinder body II (26) is at least 1 times of the diameter dimension of plunger rod (30);
Rigid attachment of feeling relieved is adopted between piston rod (27) and plunger rod (30).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462982.6A CN104228869B (en) | 2014-09-12 | 2014-09-12 | A kind of lift support beam parking anti-slip device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462982.6A CN104228869B (en) | 2014-09-12 | 2014-09-12 | A kind of lift support beam parking anti-slip device |
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| CN104228869A true CN104228869A (en) | 2014-12-24 |
| CN104228869B CN104228869B (en) | 2016-11-23 |
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| 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 |
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| CN104228869B (en) | 2016-11-23 |
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