CN102259652B - Power-driven parking slip-preventing device - Google Patents
Power-driven parking slip-preventing device Download PDFInfo
- Publication number
- CN102259652B CN102259652B CN 201110131754 CN201110131754A CN102259652B CN 102259652 B CN102259652 B CN 102259652B CN 201110131754 CN201110131754 CN 201110131754 CN 201110131754 A CN201110131754 A CN 201110131754A CN 102259652 B CN102259652 B CN 102259652B
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- Prior art keywords
- hold
- hole
- screw
- braking
- brake assembly
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 241000269799 Perca fluviatilis Species 0.000 claims description 9
- 241000269800 Percidae Species 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 238000005549 size reduction Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The invention relates to a power-driven parking slip-preventing device, comprising a driving box and a plurality of braking assemblies as well as two braking rails, wherein a plurality of braking assemblies are arranged in a parallel manner, the two ends of each braking assembly are provided with mounting mechanisms matched with a road rail, the two braking rails are respectively connected with the braking assemblies in a mounting manner, adjacent braking assemblies are connected by virtue of a transmission shaft and the braking assemblies are connected with the driving box by virtue of the transmission shaft, and the end part of the transmission shaft and spindles of the braking assemblies are connected by virtue of a joint transmission mechanism. In the invention, a joint mechanism at the end part of the transmission shaft provides transmission to each braking assembly, and the joint mechanism can realize transmission of torque and also can realize axial swinging in certain angle, thus rigid impact can be avoided by combining the side winding characteristic of railway train operation and equipment is protected; and the mechanism is simple, has low processing cost, small overall size and compact structure and has an important significance for railway equipment with limit requirement owning to size reduction of the power-driven parking slip-preventing device.
Description
Technical field
The present invention relates to the technical field of railway accessory equipment, particularly relate to a kind of for marshalling station or to the electronic parking anti-slip device of sending out the station.
Background technology
For preventing vehicle runaway on the afterbody circuit of marshalling yard, need to use the stopping device braking.Also need anti-skid device at arrival field, departure yard and the station of marshaling yard to hair line.Railway is used for preventing that the measure of slipping has modes such as following skate, stubborn rim brake to hair line at present.There is the hidden danger that threatens traffic safety and personal safety in these conventional arts, and on March 22nd, 2000, the CN2369918Y China utility model patent of bulletin disclosed a kind of lifting mode parking anti-slip device.Its stop mechanism includes hold-down arm, lift pin and lifting slider, and hold-down arm is fixed in the chute of lifting slider by lift pin; Its hydraulic efficiency pressure system is by single Hydraulic Pump feed flow.This lifting slider and chute structure weight capacity are little, poor stability; Its feed liquid way is single, and braking rail is slow in the motion of idle travel stage, and efficient is low, makes that the anti-molar behavior that slips of braking is slow; And in braking rail with after wheel contacts, need slowly move and when imposing bigger power, it is very fast that its kinematic velocity shows again, it is less that the power that provides shows again.
Summary of the invention
To the objective of the invention is in order addressing the above problem, a kind of electronic parking anti-slip device to be provided.
Technical scheme of the present invention is: a kind of electronic parking anti-slip device, contain driving box, the brake assembly that several are arranged in parallel, the two ends of brake assembly are provided with the installing mechanism with road rail coupling, this electronic parking anti-slip device also contains two braking rail, install with above-mentioned brake assembly respectively and be connected, all be connected by transmission shaft between the adjacent brake assembly and between brake assembly and the driving box, it is characterized in that: between the end of transmission shaft and brake assembly main shaft, be connected by the joint transmission device, the end of described transmission shaft is equipped with the extrinsic articulation sleeve, the inner peripheral surface of this extrinsic articulation sleeve is distributed with several along the groove of generatrix direction, the end of the main shaft of brake assembly is set with intrinsic articulation by spline structure, several steel ball chambers of the outside face circle distribution of this intrinsic articulation, the distributing position of this steel ball chamber, the position of the groove in quantity and the extrinsic articulation sleeve, quantity Matching, the indoor embedding of steel ball have steel ball that intrinsic articulation is connected with the extrinsic articulation sleeve;
Brake assembly contains the driver train, the hold-down arm that are installed on the bottom girder, slides lifting mechanism, braking rail mounting structure, described driver train is positioned at the middle part of brake assembly, the inner symmetry of hold-down arm is installed in the both sides of driver train, the outer end of hold-down arm with slide lifting mechanism and be connected;
Driver train contains two-way leading screw main shaft, is installed in two feed screw nuts on this leading screw main shaft, and the both sides of two feed screw nuts symmetry respectively are hinged with connecting rod; The other end of this connecting rod is connected with the elastic top press mechanism, this elastic top laminated structure comprises with the inner spring seat of rod hinge connection, is set with pilot sleeve outward with inner hinged outer spring seat, two spring perches of hold-down arm, pilot sleeve is installed on the bottom girder by support, is provided with between two spring perches to support the dish spring.
The described lifting mechanism that slides contains sliding the hole, being fixedly mounted on two bearings on the bottom girder of hold-down arm outer end, and two bearings are arranged symmetrically in the both sides of sliding the hole, and two seat supports play a roller bearing, and this roller bearing passes the lifting of hold-down arm outer end and slides the hole.
Described lifting is slided the hole and is contained two horizontal segments and a middle tilting section up and down, certain distance that staggers between two horizontal segments, and tilting section slides the hole with the inner described lifting of connection formation of two horizontal segments.
Described braking rail mounting structure comprises the braking rail cushion cap that is arranged on above the hold-down arm outer end and at the roof pressure seat of this cushion cap inboard, described cushion cap is provided with braking rail hold-down bolt and grade washer, and braking rail is low inside and high outside heeling condition after installing; Described roof pressure seat is provided with roof pressure and adjusts bolt, and this roof pressure was adjusted bolt and withstood the braking rail inboard after braking rail was installed.
Described feed screw nut is composite structure, the outside is the screw support of iron and steel material quality, inside is the screw of copper material, be connected by cylinder key between screw and the screw support, described screw support both sides are provided with hinged ear and are connected with described connecting rod, top at the screw support is provided with oil cabinet, and this oil cabinet bottom is provided with runs through the oilhole that screw support and screw are communicated to screw inside.
Flexibly connect by bolt between described two spring perches, one of them spring perch is axially arranged with tapped bore, the another one spring perch be axially arranged with through hole, its thread segment was captiveed joint with the tapped bore of another spring perch after described bolt passed through hole, the shank of this bolt is stuck in outside the through hole.
Described driver train is equipped with the protection housing outward, and this protection lower housing portion is provided with supporting leg and is connected with bottom girder, the moving towards identical two sides with bottom girder and be provided with circular hole of housing, and pilot sleeve inserts in the housing by circular hole; Housing move towards the hole that identical two sides are provided with extrinsic articulation sleeve coupling with main shaft, the extrinsic articulation sleeve inserts in this hole.
Described installing mechanism contains the hook plate with the rail coupling, this hook plate outer edge is gripper hook, the inside edge is location hook, described hook plate is provided with mounting hole near the inside edge, be provided with hold-down bolt on hook plate top and press track plate, this hold-down bolt is passed down through presses track plate and bottom girder, presses track plate outer and rail bottom sides along coupling, and the interior edge of pressure track plate props up the location hook of described hook plate inside edge; Be provided with insulating mat between described hook plate and the bottom girder, the insulation sleeve of suit and coupling on the described hold-down bolt.
Be provided with positioning plate between described two feed screw nuts.
Described extrinsic articulation sleeve the inner is provided with the flange towards axis, the internal diameter of this flange and the diameter of leading screw coupling; The outer end of described extrinsic articulation sleeve is provided with tapped bore, is connected by the flange of screw with the transmission shaft end.
Described driving box comprises electrical motor and speed-changing mechanism, and the axle two ends of described electrical motor are respectively equipped with export structure, and an end is connected with speed-changing mechanism, and the other end connects manual-operating mechanism.
Beneficial effect of the present invention
Electronic parking anti-slip device of the present invention adopts motor-driven; articulation mechanism by the transmission shaft end is given each brake assembly transmission; this articulation mechanism can be realized the transmission of moment of torsion; again can be in the swing that axially realizes certain angle; thereby the characteristics of crawling that can cooperate railways train operation; avoid rigid shock; also be a kind of protection to equipment self; than the transmission device of universal-joint, this mechanism is simple, and tooling cost is low; and overall dimensions is little; compact conformation, its size reduces significantly for the railway equipment that has gauge to require, and abdicates the design space can for other structures or reduces the overall dimensions of equipment.
Driver train in the brake assembly of the present invention, adopted two-way feed screw nut drivening rod to drive the flexible of hold-down arm, realized the conversion of gyroscopic movement to fore and aft motion, two-way feed screw nut is symmetrical arranged, and connecting rod is symmetrical arranged, and has guaranteed the stationarity of motion on the one hand; Improve the intensity of structure on the other hand; The elastic top press mechanism is set in the described driver train, has adopted the dish spring in this mechanism, can reduce the size of this mechanism, can guarantee that again the dynamics of this mechanism satisfies the parking requirement; Also possess simultaneously certain buffer capacity, realize flexible braking, avoid rigid shock, stopping device itself is had certain protective role.
Lifting mechanism in the brake assembly of the present invention, by the outer end at hold-down arm upgrading is set and slides the hole, realized the lifting of hold-down arm end, hold-down arm is upheld the end rise when this stopping device is in working position, drives braking rail simultaneously and rises, and the hold-down arm constricted end portion falls when it is in the alleviation position, driving braking rail simultaneously falls, be specially adapted to send out the station, the braking rail height is lower than gauge when alleviating the position, does not influence normal driving and passes through.
Braking rail among the present invention is low inside and high outside heeling condition after installing, and leans on the upper edge of braking rail when its braking rail contacts with wheel fully, thereby has enlarged the area of contact of braking rail and wheel as much as possible, improves drag friction power.
Feed screw nut of the present invention is composite structure, the outer steel of interior copper, both guaranteed the material requirement of faying face, can guarantee the requirement of strength of transmission force again, simultaneously be provided with oil cabinet on the top of screw support, can store a certain amount of lubricating oil, make the maintenance time of feed screw nut elongated, reduce and safeguard, reduce labour intensity.
Description of drawings
Fig. 1 is the plan structure scheme drawing of this electronic parking anti-slip device;
Fig. 2 is the main TV structure scheme drawing of the brake assembly of this electronic parking anti-slip device;
Fig. 3 is the plan structure scheme drawing of the brake assembly of this electronic parking anti-slip device;
Fig. 4 is that A among Fig. 2 is to structural representation;
Fig. 5 is the E-E cross-sectional view among Fig. 3;
Fig. 6 is the F-F cross-sectional view among Fig. 3;
Fig. 7 is stop mechanism local structural representation when alleviating the position;
Fig. 8 is the main TV structure scheme drawing of feed screw nut;
Fig. 9 is the plan structure scheme drawing of Fig. 8.
The specific embodiment
Referring to Fig. 1-Fig. 9,1. brake assemblies among the figure; 2. transmission shaft; 3. driving box; 4. braking rail; 5. extrinsic articulation sleeve; 6. steel ball; 7. intrinsic articulation; 8. screw; 9. flange; 1-1. bottom girder; 1-2. support; 1-3. twisted axis; 1-4. inner spring seat; 1-5. bolt; 1-6. hold-down arm; 1-7. bearing; 1-8. roller bearing; 1-9. the hole is slided in lifting; 1-10. braking rail cushion cap; 1-11. grade washer; 1-12. braking rail hold-down bolt; 1-13. roof pressure is adjusted bolt; 1-14. roof pressure seat; 1-15. outer spring seat; 1-16. pilot sleeve; 1-17. dish spring; 1-18. connecting rod; 1-19. twisted axis; 1-20. feed screw nut; 1-21. leading screw main shaft; 1-22. protection housing; 1-23. pressure track plate; 1-24. hold-down bolt; 1-25. hook plate; 1-26. twisted axis; 1-27. insulation spacer; 1-28. insulation sleeve; 1-20-1. screw support; 1-20-2. cylinder key; 1-20-3. screw; 1-20-4. hinged ear; 1-20-5. oil cabinet; 1-20-6. oilhole.
Embodiment: a kind of electronic parking anti-slip device, contain driving box, the brake assembly that several are arranged in parallel, the two ends of brake assembly are provided with the installing mechanism with road rail coupling, this electronic parking anti-slip device also contains two braking rail, install with above-mentioned brake assembly respectively and be connected, all be connected by transmission shaft between the adjacent brake assembly and between brake assembly and the driving box, it is characterized in that: between the end of transmission shaft and brake assembly main shaft, be connected by the joint transmission device, the end of described transmission shaft is equipped with the extrinsic articulation sleeve, the inner peripheral surface of this extrinsic articulation sleeve is distributed with several along the groove of generatrix direction, the end of the main shaft of brake assembly is set with intrinsic articulation by spline structure, several steel ball chambers of the outside face circle distribution of this intrinsic articulation, the distributing position of this steel ball chamber, the position of the groove in quantity and the extrinsic articulation sleeve, quantity Matching, the indoor embedding of steel ball have steel ball that intrinsic articulation is connected with the extrinsic articulation sleeve;
Brake assembly contains the driver train, the hold-down arm that are installed on the bottom girder, slides lifting mechanism, braking rail mounting structure, described driver train is positioned at the middle part of brake assembly, the inner symmetry of hold-down arm is installed in the both sides of driver train, the outer end of hold-down arm with slide lifting mechanism and be connected;
Driver train contains two-way leading screw main shaft, is installed in two feed screw nuts on this leading screw main shaft, and the both sides of two feed screw nuts symmetry respectively are hinged with connecting rod; The other end of this connecting rod is connected with the elastic top press mechanism, this elastic top laminated structure comprises with the inner spring seat of rod hinge connection, is set with pilot sleeve outward with inner hinged outer spring seat, two spring perches of hold-down arm, pilot sleeve is installed on the bottom girder by support, is provided with between two spring perches to support the dish spring.
The described lifting mechanism that slides contains sliding the hole, being fixedly mounted on two bearings on the bottom girder of hold-down arm outer end, and two bearings are arranged symmetrically in the both sides of sliding the hole, and two seat supports play a roller bearing, and this roller bearing passes the lifting of hold-down arm outer end and slides the hole.
Described lifting is slided the hole and is contained two horizontal segments and a middle tilting section up and down, certain distance that staggers between two horizontal segments, and tilting section slides the hole with the inner described lifting of connection formation of two horizontal segments.
Described braking rail mounting structure comprises the braking rail cushion cap that is arranged on above the hold-down arm outer end and at the roof pressure seat of this cushion cap inboard, described cushion cap is provided with braking rail hold-down bolt and grade washer, and braking rail is low inside and high outside heeling condition after installing; Described roof pressure seat is provided with roof pressure and adjusts bolt, and this roof pressure was adjusted bolt and withstood the braking rail inboard after braking rail was installed.
Described feed screw nut is composite structure, the outside is the screw support of iron and steel material quality, inside is the screw of copper material, be connected by cylinder key between screw and the screw support, described screw support both sides are provided with hinged ear and are connected with described connecting rod, top at the screw support is provided with oil cabinet, and this oil cabinet bottom is provided with runs through the oilhole that screw support and screw are communicated to screw inside.
Flexibly connect by bolt between described two spring perches, one of them spring perch is axially arranged with tapped bore, the another one spring perch be axially arranged with through hole, its thread segment was captiveed joint with the tapped bore of another spring perch after described bolt passed through hole, the shank of this bolt is stuck in outside the through hole.
Described driver train is equipped with the protection housing outward, and this protection lower housing portion is provided with supporting leg and is connected with bottom girder, the moving towards identical two sides with bottom girder and be provided with circular hole of housing, and pilot sleeve inserts in the housing by circular hole; Housing move towards the hole that identical two sides are provided with extrinsic articulation sleeve coupling with main shaft, the extrinsic articulation sleeve inserts in this hole.
Described installing mechanism contains the hook plate with the rail coupling, this hook plate outer edge is gripper hook, the inside edge is location hook, described hook plate is provided with mounting hole near the inside edge, be provided with hold-down bolt on hook plate top and press track plate, this hold-down bolt is passed down through presses track plate and bottom girder, presses track plate outer and rail bottom sides along coupling, and the interior edge of pressure track plate props up the location hook of described hook plate inside edge; Be provided with insulating mat between described hook plate and the bottom girder, the insulation sleeve of suit and coupling on the described hold-down bolt.
Be provided with positioning plate between described two feed screw nuts.
Described extrinsic articulation sleeve the inner is provided with the flange towards axis, the internal diameter of this flange and the diameter of leading screw coupling; The outer end of described extrinsic articulation sleeve is provided with tapped bore, is connected by the flange of screw with the transmission shaft end.
Described driving box comprises electrical motor and speed-changing mechanism, and the axle two ends of described electrical motor are respectively equipped with export structure, and an end is connected with speed-changing mechanism, and the other end connects manual-operating mechanism.
Claims (10)
1. electronic parking anti-slip device, contain driving box, the brake assembly that several are arranged in parallel, the two ends of brake assembly are provided with the installing mechanism with road rail coupling, this electronic parking anti-slip device also contains two braking rail, install with above-mentioned brake assembly respectively and be connected, all be connected by transmission shaft between the adjacent brake assembly and between brake assembly and the driving box, it is characterized in that: between the end of transmission shaft and brake assembly main shaft, be connected by the joint transmission device, the end of described transmission shaft is equipped with the extrinsic articulation sleeve, the inner peripheral surface of this extrinsic articulation sleeve is distributed with several along the groove of generatrix direction, the end of the main shaft of brake assembly is set with intrinsic articulation by spline structure, several steel ball chambers of the outside face circle distribution of this intrinsic articulation, the distributing position of this steel ball chamber, the position of the groove in quantity and the extrinsic articulation sleeve, quantity Matching, the indoor embedding of steel ball have steel ball that intrinsic articulation is connected with the extrinsic articulation sleeve;
Brake assembly contains the driver train, the hold-down arm that are installed on the bottom girder, slides lifting mechanism, braking rail mounting structure, described driver train is positioned at the middle part of brake assembly, the inner symmetry of hold-down arm is installed in the both sides of driver train, the outer end of hold-down arm with slide lifting mechanism and be connected;
Driver train contains two-way leading screw main shaft, is installed in two feed screw nuts on this leading screw main shaft, and the both sides of two feed screw nuts symmetry respectively are hinged with connecting rod; The other end of this connecting rod is connected with the elastic top press mechanism, this elastic top laminated structure comprises with the inner spring seat of rod hinge connection, is set with pilot sleeve outward with inner hinged outer spring seat, two spring perches of hold-down arm, pilot sleeve is installed on the bottom girder by support, is provided with between two spring perches to support the dish spring.
2. electronic parking anti-slip device according to claim 1, it is characterized in that: the described lifting mechanism that slides contains sliding the hole, being fixedly mounted on two bearings on the bottom girder of hold-down arm outer end, two bearings are arranged symmetrically in the both sides of sliding the hole, two seat supports play a roller bearing, and this roller bearing passes the lifting of hold-down arm outer end and slides the hole.
3. electronic parking anti-slip device according to claim 2, it is characterized in that: described lifting is slided the hole and is contained two horizontal segments and a middle tilting section up and down, certain distance that staggers between two horizontal segments, tilting section are communicated with the inners of two horizontal segments and form described lifting and slide the hole.
4. electronic parking anti-slip device according to claim 1, it is characterized in that: described braking rail mounting structure comprises the braking rail cushion cap that is arranged on above the hold-down arm outer end and at the roof pressure seat of this cushion cap inboard, described cushion cap is provided with braking rail hold-down bolt and grade washer, and braking rail is low inside and high outside heeling condition after installing; Described roof pressure seat is provided with roof pressure and adjusts bolt, and this roof pressure was adjusted bolt and withstood the braking rail inboard after braking rail was installed.
5. electronic parking anti-slip device according to claim 1, it is characterized in that: described feed screw nut is composite structure, the outside is the screw support of iron and steel material quality, inside is the screw of copper material, be connected by cylinder key between screw and the screw support, described screw support both sides are provided with hinged ear and are connected with described connecting rod, are provided with oil cabinet on the top of screw support, and this oil cabinet bottom is provided with runs through the oilhole that screw support and screw are communicated to screw inside.
6. electronic parking anti-slip device according to claim 1, it is characterized in that: flexibly connect by bolt between described two spring perches, one of them spring perch is axially arranged with tapped bore, the another one spring perch be axially arranged with through hole, its thread segment was captiveed joint with the tapped bore of another spring perch after described bolt passed through hole, and the shank of this bolt is stuck in outside the through hole.
7. electronic parking anti-slip device according to claim 1, it is characterized in that: described driver train is equipped with the protection housing outward, this protection lower housing portion is provided with supporting leg and is connected with bottom girder, the moving towards identical two sides with bottom girder and be provided with circular hole of housing, and pilot sleeve inserts in the housing by circular hole; Housing move towards the hole that identical two sides are provided with extrinsic articulation sleeve coupling with main shaft, the extrinsic articulation sleeve inserts in this hole.
8. electronic parking anti-slip device according to claim 1, it is characterized in that: described installing mechanism contains the hook plate with the rail coupling, this hook plate outer edge is gripper hook, the inside edge is location hook, described hook plate is provided with mounting hole near the inside edge, is provided with hold-down bolt on hook plate top and presses track plate, and this hold-down bolt is passed down through presses track plate and bottom girder, press track plate outer and rail bottom sides along coupling, the interior edge of pressure track plate props up the location hook of described hook plate inside edge; Be provided with insulating mat between described hook plate and the bottom girder, the insulation sleeve of suit and coupling on the described hold-down bolt.
9. electronic parking anti-slip device according to claim 1 is characterized in that: be provided with positioning plate between described two feed screw nuts.
10. electronic parking anti-slip device according to claim 1, it is characterized in that: described extrinsic articulation sleeve the inner is provided with the flange towards axis, the internal diameter of this flange and the diameter of leading screw coupling; The outer end of described extrinsic articulation sleeve is provided with tapped bore, is connected by the flange of screw with the transmission shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131754 CN102259652B (en) | 2011-05-20 | 2011-05-20 | Power-driven parking slip-preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131754 CN102259652B (en) | 2011-05-20 | 2011-05-20 | Power-driven parking slip-preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102259652A CN102259652A (en) | 2011-11-30 |
| CN102259652B true CN102259652B (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110131754 Expired - Fee Related CN102259652B (en) | 2011-05-20 | 2011-05-20 | Power-driven parking slip-preventing device |
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| Country | Link |
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| CN (1) | CN102259652B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072597B (en) * | 2013-01-22 | 2015-08-12 | 闫秋辰 | Parking anti-running device multi-cylinder drives synchronous device |
| CN111924445A (en) * | 2020-07-06 | 2020-11-13 | 长安大学 | Rail type field electric transportation device and method for rice seedlings |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1563198A (en) * | 1976-12-03 | 1980-03-19 | Graemross Plant & Equipment Lt | Rail vehicle retarder |
| CN2343041Y (en) * | 1998-11-18 | 1999-10-13 | 郑州铁路局郑州科学技术研究所 | Electric controllable vehicle stop |
| US6829998B1 (en) * | 2000-09-08 | 2004-12-14 | Trackside Services, Inc. | Releasable skate retarder for railway cars |
| CN2690249Y (en) * | 2003-10-20 | 2005-04-06 | 沈铁吉林建设工程集团站场自动化工程有限公司 | Lift locking, parking, anti-slide device for raiway vehicle |
| CN201296259Y (en) * | 2008-12-02 | 2009-08-26 | 西安优势铁路新技术有限责任公司 | A parking slide prevention device |
| CN202345711U (en) * | 2011-05-20 | 2012-07-25 | 郑州三方科技有限公司 | Electric parking anti running device |
-
2011
- 2011-05-20 CN CN 201110131754 patent/CN102259652B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1563198A (en) * | 1976-12-03 | 1980-03-19 | Graemross Plant & Equipment Lt | Rail vehicle retarder |
| CN2343041Y (en) * | 1998-11-18 | 1999-10-13 | 郑州铁路局郑州科学技术研究所 | Electric controllable vehicle stop |
| US6829998B1 (en) * | 2000-09-08 | 2004-12-14 | Trackside Services, Inc. | Releasable skate retarder for railway cars |
| CN2690249Y (en) * | 2003-10-20 | 2005-04-06 | 沈铁吉林建设工程集团站场自动化工程有限公司 | Lift locking, parking, anti-slide device for raiway vehicle |
| CN201296259Y (en) * | 2008-12-02 | 2009-08-26 | 西安优势铁路新技术有限责任公司 | A parking slide prevention device |
| CN202345711U (en) * | 2011-05-20 | 2012-07-25 | 郑州三方科技有限公司 | Electric parking anti running device |
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| Publication number | Publication date |
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| CN102259652A (en) | 2011-11-30 |
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