CN102320313A - Normal state brake controllable parking device - Google Patents
Normal state brake controllable parking device Download PDFInfo
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- CN102320313A CN102320313A CN201110187305A CN201110187305A CN102320313A CN 102320313 A CN102320313 A CN 102320313A CN 201110187305 A CN201110187305 A CN 201110187305A CN 201110187305 A CN201110187305 A CN 201110187305A CN 102320313 A CN102320313 A CN 102320313A
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Abstract
The invention relates to a normal state brake controllable parking device, which comprises a brake rail, a support seat and bottom beams, and is characterized in that the bottom beams are uniformly distributed on an integral rail bed between two stock rails, a bottom beam bracket comprises a bottom plate and a support vertical plate with coupling holes, a support seat with guide position limiting holes is arranged on the bottom beams, the guide position limiting holes are overlapped and tightly locked with the coupling holes, the support seat comprises a hydraulic energy storage support seat, a brake spring support seat and a middle seat, a hydraulic energy storage self locking device is arranged between the hydraulic energy storage support seat and the middle seat, a brake spring energy storage protection device is arranged between the brake spring support seat and the middle seat, brake rail fastening position limiting holes are arranged at the upper side of the end part of the support seat near the stock rails, and rail connecting holes are arranged on the rail waists of the brake rails and are overlapped and tightly fastened with the fastening position limiting holes of the brake rails. The normal state brake controllable parking device has the advantages that the structure is simple, the performance is reliable, the control mode is advanced, the maintenance is simple and is easy to implement, the cost is saved, the application range is wide, the service life is long, and the like.
Description
Technical field
The present invention relates to the railway security equipment technical field, specifically a kind of normality braking controlled stopping device that on industry railway lines such as large-scale factories and miness, metallurgy, anti-running is carried out stopping-down.
Background technology
At present, industries such as large-scale factories and miness, metallurgy all have own special-purpose railway line.It is used for stop nothing more than top or need the equipment such as stopping device of the additional power energy of the equipment that anti-running carries out stopping-down.The top of stopping is less because of single braking potential, therefore needs to use great quantity and could realize anti-running is carried out stopping-down, has taken the railway line of length, and has been difficult to manage; Need the parking apparatus of the additional power energy all to need devices such as electrical motor, oil pump or air pump to support, consumed a large amount of energy, destroyed the environment (like noise pollution, oil liquid leakage pollution etc.) around equipment is of living in.And above-mentioned parking apparatus maintenance is difficult relatively, and service expenditure is high.Take a broad view of the parking apparatus such as power type, hydraulic or air-pressure type of domestic employing in recent years, all rely on stock rail, and link to each other with stock rail, complete machine is installed on the stock rail through various forms of rail clip connecting devices.But a series of check implement (like weight-measuring device) is housed, the space of the stopping device that at all is not installed on the stock rail that has.
Summary of the invention
The purpose of this invention is to provide and a kind ofly have the automation centralized control, do not need to establish in addition concrete pedestal; Do not need closed-center system supports such as electrical motor, oil pump, air pump; Do not set up large-scale Hydraulic Station, air pressure station, do not lay the railway security equipment of industry railway special lines such as the large-scale factories and miness of being applicable to of power cable, pipeline connection lead and various terminal, metallurgy---normality braking controlled stopping device.
The objective of the invention is to realize like this: it includes braking rail, bearing and bottom girder; It is characterized in that: described bottom girder is distributed on two integral rails railway roadbeds between the stock rail; This bottom girder carriage includes base plate and the supporting vertical plate that has the connecting shaft hole; Bottom girder is provided with the bearing of tape guide spacing hole, and this guide and limit hole overlaps with the connecting shaft hole and is connected locking through bearing pin; Described bearing includes hydraulic accumulation energy bearing, retarding spring bearing and middle base; Between hydraulic accumulation energy bearing and middle base, be provided with hydraulic accumulation energy from the locking device; This hydraulic accumulation energy includes cylinder body from the locking device, cylinder cap, piston; The piston rod that has the assembly technology hole; The joint pipe link passes the tie rod holes on the retracing spring pressing plate and passes through connection screw thread hole and the piston rod bonded assembly on the pipe link of joint, and the joint pipe link between retracing spring pressing plate and cylinder cap and the piston rod outside are set with retracing spring, and the joint pipe link is connected with middle base through the joint bearing pin; Between retarding spring bearing and middle base, be provided with retarding spring accumulation of energy fender guard, the Spring Card of retarding spring accumulation of energy fender guard is contained in the screw rod outside between middle base and the retarding spring bearing; Hydraulic accumulation energy bearing and retarding spring bearing end upside near stock rail are provided with support rail plate and postive stop baffle; Be the groove of laying oneself on the railway tracks between support rail plate and the postive stop baffle; On the support rail plate, also be provided with the fastening spacing hole of braking rail, be provided with the guide and limit face in the bearing end of support rail supporting plate downside; The web of the rail of said braking rail is provided with and connects the rail hole, and this connects, and the rail hole overlaps with the fastening spacing hole of braking rail and it is fastening with braking rail and bearing to pass through screw bolt and nut.
Be provided with brace panel between the riser of said bottom girder carriage, be provided with in bottom end both sides and widen accessory plate near stock rail.
In the guide and limit hole, be provided with axle sleeve.
Between the locking device, be provided with the adjust the clearance pad at hydraulic accumulation energy bearing and hydraulic accumulation energy.
The spring of said retarding spring accumulation of energy fender guard includes outer spring and inner spring.
Also be provided with protective cover at hydraulic accumulation energy from locking device, middle base and the retarding spring accumulation of energy fender guard outside, middle base is provided with the protective cover fastener hole, and the protective cover hole of protective cover overlaps with the protective cover fastener hole and passes through screw lock.
The rail head of said braking rail places in the groove of laying oneself on the railway tracks.
The both ends brake surface of said braking rail is the guide surface of stock rail dorsad.
Hydraulic accumulation energy is provided with support wheel from the bottom girder of locking device and retarding spring accumulation of energy fender guard downside, and this support wheel is that the support wheel hole of passing on support wheel endoporus and the bottom girder supported on both sides riser through bearing pin is fastening.
Hydraulic accumulation energy is divided into high pressure chest and low-pressure cavity from the piston of locking device with cylinder body; In cylinder body one side respectively to the oiling oil duct that connects high pressure chest and low-pressure cavity should be arranged; Opposite side is connected with the oil extraction oil duct, is provided with a manufacturing process hole between high pressure chest and the low-pressure cavity, as the passage that is communicated with high pressure chest and low-pressure cavity; Oil fill plug is tightened in the oiling oil duct junction with being threaded, between oil fill plug and cylinder body outer arm, be pressed with gasket seal.
The present invention has following characteristics:
1, simple in structure
This controlled stopping device has been cancelled the employed various types of rail clips of stopping device, hydraulic pressure or pneumatic transmission part in the past, has saved material, makes machine volume less, and is simple and reliable for structure, low in the pollution of the environment to the outside.
2, dependable performance, mode advanced person
This controlled stopping device braking maneuver is reliable, and braking force is big.Simultaneously; This stopping device directly is not connected with stock rail; But directly link to each other with the integral rails railway roadbed; Actv. has prevented that stopping device is in use because the vibrations caused stopping device bolt looseness that vehicle produces, emergency case such as fracture, side by side except be prone to the loosening hidden danger that causes train operation accident because of the rail clip bolt on stock rail.
The action command of controlled stopping device (braking/alleviation) is concentrated through computer control system by control cabin and is controlled, and also can carry out real-time manual intervention, and mode is advanced.
3, maintaining is simple
Because this controlled stopping device has been cancelled pneumatic transmission part, various types of rail clip connecting devices etc., has reduced working strength of workers to a certain extent, makes maintenance become simple.
4, cost saving
Kinetic energy and self spring energy-storage that this stopping device utilizes vehicle itself carries out braking maneuver to slipping driving, need not to establish in addition basis and outside power energy source device, not only saved manpower and materials, and saved construction investment.
5, applied range, long service life
The present invention can be widely used in the railway special line of industries such as large-scale factories and miness, metallurgy, and uses as the anti-safety apparatus that slips of stopping-down.Because this controlled stopping device is not support with the stock rail, directly is connected with the integral rails railway roadbed, has cancelled various rail clips, hydraulic pressure or pneumatic transmission part, has increased control system, makes work more reliable, also prolonged the service life of stopping device simultaneously greatly.
Description of drawings
Fig. 1 is a running condition structural representation of the present invention;
Fig. 2 is the structural representation of hydraulic accumulation energy bearing LL of the present invention;
Fig. 3 looks scheme drawing for the left side of Fig. 2;
Fig. 4 is the schematic top plan view of Fig. 2;
Fig. 5 is the scheme drawing in A among Fig. 2-A cross section;
Fig. 6 is the scheme drawing in B among Fig. 2-B cross section;
Fig. 7 is the structural representation of adjust the clearance pad 7;
Fig. 8 looks scheme drawing for the left side of Fig. 7;
Fig. 9 is the structure intention of hydraulic accumulation energy from locking device YY;
Figure 10 is the cross-sectional view of overlooking of Fig. 9;
Figure 11 is retracing spring pressing plate 11 structural representations;
Figure 12 is joint pipe link 12 structural representations;
Figure 13 is the cross-sectional view of overlooking of Figure 12;
Figure 14 is a retarder location hydraulic work system principle schematic of the present invention;
Figure 15 is alleviated a hydraulic work system principle schematic for the present invention;
Figure 16 is joint bearing pin 16 structural representations;
Figure 17 is a middle base structure JJ scheme drawing;
Figure 18 looks scheme drawing for the left side of Figure 17;
Figure 19 is the cross-sectional view of overlooking of Figure 17;
Figure 20 is the structural representation of retarding spring bearing RR;
Figure 21 looks scheme drawing for the left side of Figure 20;
Figure 22 is the schematic top plan view of Figure 20;
Figure 23 is the scheme drawing in C among Figure 20-C cross section;
Figure 24 is the structural representation of bottom girder DL;
Figure 25 is the schematic top plan view of Figure 24;
Figure 26 is the single support arm structure scheme drawing of the present invention;
Figure 27 is the cross-sectional view of overlooking of Figure 26;
Figure 28 is the scheme drawing in D among Figure 26-D cross section;
Figure 29 is the scheme drawing in E among Figure 26-E cross section;
Figure 30 is the structural representation of braking rail ZB.
Below in conjunction with Figure of description the present invention is done further detailed explanation, but following instance only is the present invention's example wherein, the rights protection scope of not representing the present invention and being limited, rights protection scope of the present invention is as the criterion with claims.
The specific embodiment
Shown in Figure 1 is that normality of the present invention is braked controlled stopping device mounting plane scheme drawing.It is inboard that normality braking controlled stopping device is installed on two stock rails; Constitute from structures such as locking device YY, middle base JJ, retarding spring accumulation of energy fender guard TH, retarding spring bearing RR, bottom girder DL by braking rail ZB, hydraulic accumulation energy bearing LL, hydraulic accumulation energy; Complete machine is not support with the stock rail, directly links to each other with the integral rails railway roadbed.
Like Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, hydraulic accumulation energy bearing LL goes up the prefabricated guide and limit face 2-1 that constant slope arranged, connect rail hole 2-2, the groove 2-3 that lays oneself on the railway tracks, postive stop baffle 2-4, signal cable access opening 2-5, guide and limit hole 2-6, support rail plate 3-1, connecting panel 5-1, connect cylinder hole 5-2 and piston rod is reserved telescopic hole 6-1.
Like Fig. 7, shown in Figure 8, be shaped on the adjust the clearance pad with hydraulic accumulation energy bearing piston rod and reserve the match pilot hole 7-1 that uses and connect the connecting bore 7-2 that cylinder hole 5-2 matches and uses of telescopic hole 6-1 with the hydraulic accumulation energy bearing.Can know that by Fig. 8 this adjust the clearance sheet is thin pad, is used for eliminating hydraulic accumulation energy bearing LL and the gap of hydraulic accumulation energy between locking device YY.
Like Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, shown in Figure 16, hydraulic accumulation energy includes solenoid directional control valve 10-1, check valve 10-2, left cylinder cap 10-3, the piston rod 10-9 that has assembly technology hole 10-20, cylinder body 10-10, piston rod with fastener compositions such as semi-ring card key 10-11, card keycap 10-12, piston 10-13, piston guide cover 10-14, joint pipe link 12, oscillating bearing 10-16, joint bearing pin 16, retracing spring pressing plate 11, retracing spring 10-21, right cylinder cap 10-23 and oil fill plug, gasket seal, O RunddichtringO, y-type seal ring, screw, flat gasket, spring washer, circlips from locking device YY.
O RunddichtringO 10-6, y-type seal ring 10-7 are contained in the cooresponding seal groove of left cylinder cap 10-3, and left cylinder cap 10-3 is contained in the left side of cylinder body 10-10, with socket head cap screw with its fastening being installed on the cylinder body 10-10.Piston guide cover 10-14, O RunddichtringO, y-type seal ring 10-15 are contained in the cooresponding groove of piston 10-13, and piston 10-13 is installed in the cooresponding draw-in groove of piston rod 10-9, among the cylinder body 10-10 that packs in the lump.O RunddichtringO 10-22, y-type seal ring 10-24 are contained in the cooresponding seal groove of right cylinder cap 10-23, and are sleeved on the corresponding position of piston rod 10-9, with socket head cap screw with the fastening right side that is installed in cylinder body 10-10 of right cylinder cap 10-23.The accumulator hydraulic cylinder is an integral structure, utilizes piston 10-13 that cylinder body 10-10 is divided into G chamber and D chamber.In the side of cylinder body 10-10 respectively to the oiling oil duct 10-27 that connects the G chamber and the oiling oil duct 10-25 in D chamber should be arranged.The opposite side of cylinder body is shaped on the oil extraction oil duct.On the right side of cylinder body 10-10, be shaped on a manufacturing process hole 10-26, as the asphalt channel that is communicated with G chamber and D chamber.Oil fill plug is tightened in the oiling oil duct junction with being threaded, between oil fill plug and cylinder body outer arm, be pressed with gasket seal, to prevent the leakage of fluid.
The end of retracing spring 10-21 is installed on the positioning boss of right cylinder cap 10-23; The other end is pushed down with retracing spring pressing plate 11; Define the position of retracing spring 10-21 by boss 11-1 on it and spring stop 11-3; Spring washer 10-19 packs piston rod 10-9 into to assigned address, and joint pipe link 12 passes the tie rod holes 11-2 on the retracing spring pressing plate 11 and is connected on the piston rod 10-9 through the connection screw thread hole 13-1 on it, and spiral shell is filled to the position at spring washer 10-19 place.Spinning positioning boss 13-2 on the joint pipe link 12 is fitted on the retracing spring pressing plate 11, is pre-compressed to certain length so that spiral shell is contained in the two retracing spring 10-21 wherein.
The control command of normality braking controlled stopping device action is carried out Long-distance Control by control cabin.Shown in figure 14, stopping device is positioned at braking position at ordinary times, the electromagnet outage of solenoid directional control valve, and no current passes through, and two four-way electromagnetic reversing valves also are positioned crossing condition.At this moment, the distance between braking rail two driving surfaces is greater than the distance of wheel of vehicle medial surface.If at this moment there is vehicle to slip into stopping device, the wheel medial surface will inwardly push braking rail, compression brake spring energy-storage fender guard, and retarding spring accumulation of energy fender guard is passed to the piston in the oil cylinder with pressure, makes the G chamber of oil cylinder produce high pressure, is higher than the pressure in D chamber.The flow tendency of hydraulic oil is G chamber → change-over valve P mouth → change-over valve B mouth → check valve C mouth.Because check valve is in off condition; Hydraulic oil can not flow, and the pressure in G chamber is raise, and the pressure when the G chamber is elevated to a certain degree; The thrust of piston is during more than or equal to the precompressed compression of retarding spring accumulation of energy fender guard, and the retarding spring in the retarding spring accumulation of energy fender guard is compressed.The thrust of retarding spring is exactly the squeese pressure of braking rail to wheel.Because the rigidity of retarding spring is very high, the powerful friction force between braking rail and the wheel can be done braking work to slipping driving, forces vehicle parking.Only otherwise send electricity to solenoid directional control valve, system is in retarder location all the time, makes at any time to slip a driving stopping-down.
Shown in figure 15, stopping device is when the release position, and the electromagnet conducting of solenoid directional control valve makes solenoid directional control valve be converted to parallel position by the intersection position.During the solenoid directional control valve conversion, check valve is in conducting state, and the oil circuit trend is G chamber → change-over valve P mouth → change-over valve A mouth → check valve J mouth → check valve C mouth → change-over valve B mouth → change-over valve T mouth → D chamber.After the oil circuit circulation, piston moves to left, and retarding spring stretches, and retracing spring is compressed.When retarding spring extended to precompressed length, its braking force disappeared, and the pressure that at this moment acts on the braking rail is the elastic force of retracing spring, because the rigidity of retracing spring is very low, can not influence the normal driving of vehicle.
Shown in figure 16, the joint bearing pin is made up of positive stop lug boss 16-1, stop catch ring recess 16-2 and guide surface 16-3.
Like Figure 17, Figure 18, shown in Figure 19, middle base JJ is prefabricated to have the spring of company hole 17-1, spring positive stop lug boss 18-1, protective cover fastener hole 18-2, cross spacing plate 18-3, hinge pin shaft alignment pilot hole 18-4 and guide and limit hole 18-5.
Like Figure 20, Figure 21, Figure 22, shown in Figure 23, last prefabricated guide and limit face 20-1, the rail hole 20-2 of company, the groove 20-3 that lays oneself on the railway tracks, postive stop baffle 20-4, guide and limit hole 20-5, the spring hole 21-1 of company, support rail plate 22-1 and the spring positive stop lug boss 22-2 that constant slope is arranged of retarding spring bearing (RR).
Like Figure 24, shown in Figure 25, bottom girder by supporting vertical plate 24-1, hydraulic accumulation energy bearing connecting shaft hole 24-2, hydraulic cylinder support wheel pin shaft hole 24-3, middle base connecting shaft hole 24-4, retarding spring group support wheel pin shaft hole 24-5, retarding spring bearing connecting shaft hole 24-6, widen structures such as connecting panel 25-1 and base plate 25-2 and form.
Like Figure 26, Figure 27, Figure 28, shown in Figure 29; Socket head cap screw 26-5 passes the cylinder hole 5-2 of company, the company rail hole 10-4 of hydraulic accumulation energy on the cylinder cap 10-3 of a locking device YY left side on spring washer 26-6, the hydraulic accumulation energy bearing LL right-hand member connecting panel 5-1, and hydraulic accumulation energy bearing LL, an arm seat bearing cap shim 7, hydraulic accumulation energy are fastened together from locking device YY.Hydraulic accumulation energy is in the joint pipe link 12 of the locking device YY other end is packed the cross spacing plate 18-3 of middle base into; Joint bearing pin 16 passes bigger hinge pin shaft alignment pilot hole 18-4, oscillating bearing 10-16 on the middle base one side cross spacing plate 18-3; Go up less hinge pin shaft alignment pilot hole 18-4 by middle base opposite side cross spacing plate 18-3 and draw, and pass flat gasket 10-17.Circlip for shaft 10-18 is installed among the stop positioning groove 16-2 that joint bearing pin 16 exposes outside, and locking joint bearing pin prevents its horizontal looseness.
Inner spring 26-7 is contained in the inside of outer spring 26-8, forms the retarding spring group.Retarding spring group one end is installed on the spring positive stop lug boss 18-1 of middle base JJ, and the other end is installed on the spring positive stop lug boss 22-2 of retarding spring bearing RR left end.Screw rod 26-9 passes the spring hole 17-1 of company, inner spring 26-7, the spring hole 21-1 of company of retarding spring bearing RR left end, flat gasket 26-10, hexagonal nut 26-11, spring washer 26-12, the fluted nut 26-13 of middle base JJ, utilizes screw rod to cooperate the precompressed collapsing length that defines the retarding spring group with the locking of nut.Spring cotter 26-14 passes fluting, the locking hole on the screw rod of fluted nut 26-13 one side, the fluting of fluted nut opposite side, and locking above that.
Protective cover 27-4 be positioned over two bearing LL/RR above, hydraulic accumulation energy is sealed from parts such as locking device YY, middle base JJ, retarding spring accumulation of energy fender guard TH.The hole 27-5 that is located by connecting that screw 27-1 passes on spring washer 27-2, flat gasket 27-3, the protective cover 27-4 is connected with the protective cover fastener hole 18-2 of middle base JJ both sides; Be installed on the middle base JJ protective cover is fastening, protected hydraulic accumulation energy effectively reliably from locking device YY, middle base JJ and retarding spring accumulation of energy fender guard TH.
Support wheel bearing pin 29-1 passes the support wheel hole 24-3 on the bottom girder DL one side supporting vertical plate 24-1; Support wheel 29-3 endoporus 29-2; Support wheel hole 24-3 on the opposite side supporting vertical plate 24-1 in the hole that spring cotter insertion support wheel bearing pin 29-1 exposes outside, is locked at it on bottom girder DL.
Axle sleeve 28-2 places in the guide and limit hole of hydraulic accumulation energy bearing 2-6, middle base 18-5 and retarding spring bearing 20-5 bottom.Hydraulic accumulation energy bearing LL, hydraulic accumulation energy are positioned on the supporting vertical plate 24-1 of bottom girder DL from the complete machine that locking device YY, middle base JJ, retarding spring accumulation of energy fender guard TH, retarding spring bearing RR form.The support wheel L1 that is installed on the bottom girder DL contacts with the cylinder body 10-10 of hydraulic accumulation energy from locking device YY, and another support wheel L2 contacts with outer spring 26-8, and stopping device when action, two support wheels play auxiliary moving and support the effect of complete machine.Five bearing pin 28-1 pass a side supporting vertical plate 24-1 respectively, and upward connecting shaft hole, the axle sleeve 28-2 in the arm seat guide and limit hole, the opposite side supporting vertical plate 24-1 of hydraulic accumulation energy bearing 24-2, middle base 24-4 and retarding spring bearing 24-6 go up corresponding connecting shaft hole; Complete machine and bottom girder are connected as one, in the hole that spring cotter insertion bearing pin exposes outside.Widen connecting panel and directly link to each other, complete machine is installed between two stock rails, and firmly is fixed on the integral rails railway roadbed with the integral rails railway roadbed.
Shown in figure 30, the braking rail two ends are prefabricated to have a guide surface 30-1, the rail of company hole 30-2 is arranged in that the web of the rail is prefabricated.The brake surface that this stopping device uses rail foot surface conduct and wheel medial surface to rub.
Like Figure 26, Figure 27, shown in Figure 30; Braking rail is positioned on the support rail plate 3-1/22-1 of bearing LL/RR; And lie on one's side in the groove 2-3/20-3 that lays oneself on the railway tracks of arm seat, become face to contact with postive stop baffle 2-4/20-4 is capable, transmit the suffered friction and Extrusion power of braking rail brake surface with this.
Bolt 26-1 connects rail hole 30-2, spring washer 26-2 from the rail hole 2-2/20-2 of company, the braking rail that bearing LL/RR bottom pours on the arm seat support rail plate 3-1/22-1, and with fluted nut 26-3 it is tightened together with bearing LL/RR respectively.Spring cotter 26-4 passes the anti-porosity on the bolt 26-1, and is locked at the otch place of fluted nut 26-3, safe and reliable assurance the braking maneuver of braking executive device.
When ease slide vehicle was braked controlled stopping device through normality, because the normality of stopping device is a braking mode, promptly the distance between two braking rail brake surfaces was greater than the distance between the ease slide wheel of vehicle medial surface.The wheel medial surface will contact with the brake surface of braking rail, the line slip friction braking of going forward side by side.Wheel medial surface and braking rail level be through frictional heat, having consumed ease and having slipped the kinetic energy of vehicle itself, makes kinetic energy in the extremely short time, be converted into heat energy and dissipate, and it is zero causing ease on stopping device to slip the kinetic energy of vehicle, has realized the failure-free stopping-down.
In the time will involving the ease slide vehicle that rests on the stopping device; Send stopping device by the control building and alleviate instruction, at this moment, the solenoid directional control valve energising; Hydraulic accumulation energy is from the locking device action; Make stopping device action to the release position, promptly the distance between two braking rail brake surfaces is slipped the distance between the wheel of vehicle medial surface less than ease, and haulage speed that at this moment just can the be higher slide vehicle that will escape involves stopping device.Because the wheel medial surface no longer produces cliding friction with the stopping device braking rail when involving operation, has therefore improved work efficiency greatly, has saved the time, has also prolonged the service life of stopping device simultaneously greatly.
Claims (10)
1. a normality is braked controlled stopping device; It includes braking rail, bearing and bottom girder; It is characterized in that: described bottom girder is distributed on two integral rails railway roadbeds between the stock rail; This bottom girder carriage includes base plate and the supporting vertical plate that has the connecting shaft hole, and bottom girder is provided with the bearing of tape guide spacing hole, and this guide and limit hole overlaps with the connecting shaft hole and is connected locking through bearing pin; Described bearing includes hydraulic accumulation energy bearing, retarding spring bearing and middle base; Between hydraulic accumulation energy bearing and middle base, be provided with hydraulic accumulation energy from the locking device; This hydraulic accumulation energy includes cylinder body from the locking device, cylinder cap, piston; The piston rod that has the assembly technology hole; The joint pipe link passes the tie rod holes on the retracing spring pressing plate and passes through connection screw thread hole and the piston rod bonded assembly on the pipe link of joint, and the joint pipe link between retracing spring pressing plate and cylinder cap and the piston rod outside are set with retracing spring, and the joint pipe link is connected with middle base through the joint bearing pin; Between retarding spring bearing and middle base, be provided with retarding spring accumulation of energy fender guard, the Spring Card of retarding spring accumulation of energy fender guard is contained in the screw rod outside between middle base and the retarding spring bearing; Hydraulic accumulation energy bearing and retarding spring bearing end upside near stock rail are provided with support rail plate and postive stop baffle; Be the groove of laying oneself on the railway tracks between support rail plate and the postive stop baffle; On the support rail plate, also be provided with the fastening spacing hole of braking rail, be provided with the guide and limit face in the bearing end of support rail supporting plate downside; The web of the rail of said braking rail is provided with and connects the rail hole, and this connects, and the rail hole overlaps with the fastening spacing hole of braking rail and it is fastening with braking rail and bearing to pass through screw bolt and nut.
2. normality stopping-down device according to claim 1 is characterized in that: be provided with brace panel between the riser of said bottom girder carriage, be provided with in the bottom end both sides near stock rail and widen accessory plate.
3. normality braking controlled stopping device according to claim 1 is characterized in that: in the guide and limit hole, be provided with axle sleeve.
4. normality braking controlled stopping device according to claim 1 is characterized in that: between the locking device, be provided with the adjust the clearance pad at hydraulic accumulation energy bearing and hydraulic accumulation energy.
5. normality braking controlled stopping device according to claim 1, it is characterized in that: the spring of said retarding spring accumulation of energy fender guard includes outer spring and inner spring.
6. normality braking controlled stopping device according to claim 1; It is characterized in that: also be provided with protective cover from locking device, middle base and the retarding spring accumulation of energy fender guard outside at hydraulic accumulation energy; Middle base is provided with the protective cover fastener hole, and the protective cover hole of protective cover overlaps with the protective cover fastener hole and passes through screw lock.
7. normality braking controlled stopping device according to claim 1, it is characterized in that: the rail head of said braking rail places in the groove of laying oneself on the railway tracks.
8. according to claim 1 or 7 described normalities braking controlled stopping devices, it is characterized in that: the both ends brake surface of said braking rail is the guide surface of stock rail dorsad.
9. normality braking controlled stopping device according to claim 1; It is characterized in that: hydraulic accumulation energy is provided with support wheel from the bottom girder of locking device and retarding spring accumulation of energy fender guard downside, and this support wheel is that the support wheel hole of passing on support wheel endoporus and the bottom girder supported on both sides riser through bearing pin is fastening.
10. normality braking controlled stopping device according to claim 1; It is characterized in that: hydraulic accumulation energy is divided into high pressure chest and low-pressure cavity from the piston of locking device with cylinder body; In cylinder body one side respectively to the oiling oil duct that connects high pressure chest and low-pressure cavity should be arranged; Opposite side is connected with the oil extraction oil duct, is provided with a manufacturing process hole between high pressure chest and the low-pressure cavity, as the passage that is communicated with high pressure chest and low-pressure cavity; Oil fill plug is tightened in the oiling oil duct junction with being threaded, between oil fill plug and cylinder body outer arm, be pressed with gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187305A CN102320313A (en) | 2011-07-06 | 2011-07-06 | Normal state brake controllable parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187305A CN102320313A (en) | 2011-07-06 | 2011-07-06 | Normal state brake controllable parking device |
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| Publication Number | Publication Date |
|---|---|
| CN102320313A true CN102320313A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110187305A Pending CN102320313A (en) | 2011-07-06 | 2011-07-06 | Normal state brake controllable parking device |
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| CN (1) | CN102320313A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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Application publication date: 20120118 |