CN113200072A - Anti-backward-sliding device for rail transit vehicle and control method - Google Patents
Anti-backward-sliding device for rail transit vehicle and control method Download PDFInfo
- Publication number
- CN113200072A CN113200072A CN202110660184.4A CN202110660184A CN113200072A CN 113200072 A CN113200072 A CN 113200072A CN 202110660184 A CN202110660184 A CN 202110660184A CN 113200072 A CN113200072 A CN 113200072A
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- Prior art keywords
- double
- base
- rail transit
- transit vehicle
- hydraulic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a rail transit vehicle anti-back-sliding device which comprises bases symmetrically installed on the bottom surface of a vehicle frame, wherein a supporting cylinder is vertically arranged in the middle of each base, each base and the corresponding supporting cylinder form a T shape, a guide rod on each supporting cylinder extends out of the bottom end of each supporting cylinder and is fixedly connected with the middle of a double-head hydraulic cylinder, two ends of the top surface of each double-head hydraulic cylinder are fixedly connected with the corresponding base through hydraulic ejector rods, each double-head hydraulic cylinder, each hydraulic ejector rod and each base form a triangular structure, and two movable ends of each double-head hydraulic cylinder are movably connected with iron shoes of the triangular structures. According to the invention, the hydraulic ejector rod and the double-head hydraulic cylinder extend successively, the double-head hydraulic cylinder can move downwards by unfolding the hydraulic ejector rod, stable ascending or descending of the double-head hydraulic cylinder is realized under the matching action of the supporting cylinder and the guide rod, after the double-head hydraulic cylinder descends to a designated position, the two movable ends extend out, the iron shoe is fed between the wheel and the rail, the iron shoe is attached to the wheel, and the wheel rolling resistance is realized.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a rail transit vehicle anti-back-sliding device and a control method.
Background
In the construction process of the rail transit vehicle, the rail transit vehicle is required to carry out construction operation, material transfer and other work, a slope rail traveling area exists in the rail traveling area, and when the rail transit vehicle carries out construction operation or carries materials in the rail traveling section at the position, reliable and safe anti-slip measures must be taken to avoid serious potential safety hazards caused by vehicle slip when the rail transit vehicle stops at the position.
Traditional anti-skidding device adopts the skate of bilateral braking structure usually, but in the use, needs visit body vehicle bogie and control in proper order, and the support nature is not enough simultaneously, and antiskid slides easily after with the wheel effect, causes serious damage to the track easily.
Disclosure of Invention
The invention aims to provide a rail transit vehicle anti-back-sliding device and a control method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
according to one aspect of the invention, the rail transit vehicle anti-back-sliding device comprises bases symmetrically installed on the bottom surface of a vehicle frame, wherein a supporting cylinder is vertically arranged in the middle of each base, the bases and the supporting cylinders form a T shape, a guide rod on each supporting cylinder extends out of the bottom end of each supporting cylinder and is fixedly connected with the middle of a double-head hydraulic cylinder, two ends of the top surface of each double-head hydraulic cylinder are fixedly connected with the bases through hydraulic ejector rods, the double-head hydraulic cylinders, the hydraulic ejector rods and the bases form a triangular structure, two movable ends of each double-head hydraulic cylinder are movably connected with iron shoes with the triangular structures, and a hydraulic supply device is arranged on the bottom surface of the vehicle frame between the bases and is in transmission connection with the double-head hydraulic cylinders and the hydraulic ejector rods.
Further, the base is fixedly connected with the bottom surface of the frame through a bolt structure, and a mounting groove is formed in the bottom surface of the base.
Furthermore, the top of hydraulic pressure ejector pin all is located the inside of mounting groove, and is close to the both ends department of base, the top of hydraulic pressure ejector pin is connected with the inner wall rotation of mounting groove.
Furthermore, a reinforcing plate is arranged between the outer wall of the supporting cylinder and the bottom surface of the base.
Further, the upper portion of skate and the two expansion ends of double-end pneumatic cylinder rotate to be connected, and connect to be located the top of skate focus, the inclined plane upper portion that the skate corresponds wheel one side is equipped with the contact curved surface with the wheel laminating.
Further, the length of the base is smaller than the wheel track between the wheels.
According to another aspect of the invention, a control method for preventing a rail transit vehicle from rolling backwards is also provided, which comprises the following steps:
the method comprises the following steps that firstly, before the rail vehicle is ready to be parked, self-checking is carried out on a back-slipping prevention device of the rail vehicle so as to determine whether actions can be carried out or not, and a self-checking result is sent to a control part of the rail vehicle;
step two, when the running speed of the rail vehicle reaches a set value, the anti-back-sliding device enters a preparation state;
when the running speed of the rail vehicle is zero, starting the anti-back-sliding device and rapidly unfolding the anti-back-sliding device;
and step four, finishing the anti-back-slip control.
Further, in the second step, when the anti-back-sliding device enters the preparation state, the hydraulic ejector rod acts to push the double-head hydraulic cylinder to the specified horizontal position.
And step three, the two movable ends of the double-head hydraulic cylinder act to send the iron shoes to the positions between the wheels and the rails, and at the moment, the wheels are matched with the iron shoes.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the hydraulic ejector rod and the double-head hydraulic cylinder extend successively, the double-head hydraulic cylinder can move downwards by unfolding the hydraulic ejector rod, stable ascending or descending of the double-head hydraulic cylinder is realized under the matching action of the supporting cylinder and the guide rod, after the double-head hydraulic cylinder descends to a designated position, the two movable ends extend out, the iron shoe is fed between the wheel and the rail, the iron shoe is attached to the wheel, and the wheel rolling resistance is realized.
Drawings
FIG. 1 is a schematic overall structure diagram of a back-sliding prevention device of a rail transit vehicle;
FIG. 2 is a schematic bottom view of a base of the anti-back-sliding device for a rail transit vehicle;
FIG. 3 is a schematic structural diagram of a double-head hydraulic cylinder in a rail transit vehicle back-sliding prevention device;
FIG. 4 is a control circuit diagram of a hydraulic ram in a rail transit vehicle anti-rollback device.
In the figure: 1. a base; 2. a support cylinder; 3. a guide bar; 4. a double-headed hydraulic cylinder; 5. a hydraulic ejector rod; 6. an iron shoe; 7. a hydraulic pressure supply device; 8. mounting grooves; 9. a reinforcing plate; 10. contacting the curved surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-3:
according to one aspect of the invention, the rail transit vehicle anti-back-sliding device comprises bases 1 symmetrically installed on the bottom surface of a vehicle frame, a supporting cylinder 2 is vertically arranged in the middle of each base 1, the bases 1 and the supporting cylinders 2 form a T shape, a guide rod 3 on each supporting cylinder 2 extends out of the bottom end of each supporting cylinder 2 and is fixedly connected with the middle of a double-head hydraulic cylinder 4, two ends of the top surface of each double-head hydraulic cylinder 4 are fixedly connected with the bases 1 through hydraulic ejector rods 5, the double-head hydraulic cylinders 4, the hydraulic ejector rods 5 and the base 1 form a triangular structure, two movable ends of each double-head hydraulic cylinder 4 are movably connected with iron shoes 6 of the triangular structure, a hydraulic supply device 7 is arranged on the bottom surface of the vehicle frame between the bases 1, and the hydraulic supply device 7 is in transmission connection with the double-head hydraulic cylinders 4 and the hydraulic ejector rods 5.
During the normality, double-end pneumatic cylinder 4 and hydraulic ram 5 all are in the shrink state, and the wheel is kept away from to skate 6, and double-end pneumatic cylinder 4 is used down by the shrink of hydraulic ram 5, keeps away from the track, and is the same under the contractile action of hydraulic ram 5, and guide arm 3 also receives the inside of support cylinder 2, has realized taking in of anti-back running device, and the reduction space occupies.
During operation, hydraulic ram 5 and double-end pneumatic cylinder 4 extend successively, and hydraulic ram 5's expansion can move down double-end pneumatic cylinder 4, and under the mating reaction of a supporting cylinder 2 and guide arm 3, realizes the steady rising or the decline of double-end pneumatic cylinder 4, treats that double-end pneumatic cylinder 4 descends to the assigned position after, and both movable ends extend away, send into skate 6 between wheel and the track, and skate 6 and the wheel laminating realize the rolling hindrance of wheel.
Wherein, base 1 passes through bolted construction and frame bottom surface fixed connection, and the bottom surface of base 1 is equipped with mounting groove 8, and the top of hydraulic ram 5 all is located the inside of mounting groove 8, and is close to base 1's both ends department, and the top of hydraulic ram 5 rotates with the inner wall of mounting groove 8 to be connected, is equipped with reinforcing plate 9 between the outer wall of a support section of thick bamboo 2 and the bottom surface of base 1.
Through bolted construction with base 1 and frame bottom surface fixed connection, can make things convenient for the enclosure and the change in later stage, and the setting of mounting groove 8 is favorable to carrying out more protection to hydraulic ram 5, avoids it to receive external force to destroy, and the setting of reinforcing plate 9 can effectively improve the lateral support power of a support section of thick bamboo 2, and cooperation hydraulic ram 5 provides better lateral support power for double-end hydraulic cylinder 4.
The upper part of the iron shoe 6 is rotatably connected with the two movable ends of the double-head hydraulic cylinder 4 and is positioned above the gravity center of the iron shoe 6, the upper part of the inclined plane of the iron shoe 6, which corresponds to one side of the wheel, is provided with a contact curved surface 10 attached to the wheel, the bottom surface of the iron shoe 6 is in a horizontal state under the action of the gravity of the iron shoe 6, and the contact curved surface 10 on the upper part of the inclined plane can enable the vertical downward component force of the wheel acting on the iron shoe 6 to be larger, so that the friction force between the iron shoe 6 and the track is larger, and the sliding is reduced.
The length of the base 1 is smaller than the wheel track between the wheels, so that the hydraulic ejector rod 5 does not interfere with the wheels in the jacking or contraction process, and the stable connection of the wheels cannot be influenced by the installation of the base 1.
According to another aspect of the invention, a control method for preventing a rail transit vehicle from rolling backwards is also provided, which comprises the following steps:
the method comprises the following steps that firstly, before the rail vehicle is ready to be parked, self-checking is carried out on a back-slipping prevention device of the rail vehicle so as to determine whether actions can be carried out or not, and a self-checking result is sent to a control part of the rail vehicle;
step two, when the running speed of the rail vehicle reaches a set value, the anti-back-sliding device enters a preparation state;
when the running speed of the rail vehicle is zero, starting the anti-back-sliding device and rapidly unfolding the anti-back-sliding device;
and step four, finishing the anti-back-slip control.
In the second step, when the anti-back-sliding device enters the preparation state, the hydraulic ejector rod 5 acts to push the double-head hydraulic cylinder 4 to the specified horizontal position, and at the moment, the two movable ends of the double-head hydraulic cylinder 4 extend out, so that the movement of the rail-mounted vehicle is not influenced.
And step three, two movable ends of the double-head hydraulic cylinder 4 act to send the iron shoes 6 into positions between the wheels and the rails, and at the moment, the wheels are matched with the iron shoes 6 to limit the rolling of the wheels, so that the anti-slipping function is realized.
Please refer to fig. 4:
when the SB1 is closed, the KM1 coil is electrified, so that the KM21 is closed, and the hydraulic push rod 5 is pushed out; when SB2 is closed, the KM2 coil is energized, so that KM22 is closed, the hydraulic ram 5 is retracted, and the other cylinders are operated in the same manner.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which includes the appended claims and their equivalents.
Claims (9)
1. The utility model provides a rail transit vehicle prevents device that downslide, includes that the symmetry installs base (1) on the frame bottom surface, its characterized in that: the utility model discloses a hydraulic support device, including base (1), guide arm (3), double-end pneumatic cylinder (4) and base (1), the middle part of base (1) and a supporting section of thick bamboo (2) vertical arrangement has a supporting section of thick bamboo (2), guide arm (3) on the supporting section of thick bamboo (2) stretch out the bottom of a supporting section of thick bamboo (2) and with the middle part fixed connection of double-end pneumatic cylinder (4), double-end pneumatic cylinder (4) top surface both ends department all through hydraulic ram (5) and base (1) fixed connection, and double-end pneumatic cylinder (4), hydraulic ram (5) and base (1) constitute the triangle-shaped structure, the equal swing joint in both ends of double-end pneumatic cylinder (4) has the skate (6) of triangle-shaped structure, frame bottom surface between base (1) is equipped with hydraulic supply device (7), hydraulic supply device (7) are connected with double-end pneumatic cylinder (4) and hydraulic ram (5) transmission.
2. The rail transit vehicle back-running prevention device according to claim 1, characterized in that: the base (1) is fixedly connected with the bottom surface of the frame through a bolt structure, and the bottom surface of the base (1) is provided with a mounting groove (8).
3. The rail transit vehicle back-running prevention device according to claim 2, characterized in that: the top of hydraulic pressure ejector pin (5) all is located the inside of mounting groove (8), and is close to the both ends department of base (1), the top of hydraulic pressure ejector pin (5) rotates with the inner wall of mounting groove (8) to be connected.
4. The rail transit vehicle back-running prevention device according to claim 2, characterized in that: and a reinforcing plate (9) is arranged between the outer wall of the supporting cylinder (2) and the bottom surface of the base (1).
5. The rail transit vehicle back-running prevention device according to claim 1, characterized in that: the upper portion of skate (6) is connected with the rotation of two expansion ends of double-end pneumatic cylinder (4), and connects and be located the top that is located skate (6) focus, the inclined plane upper portion that skate (6) correspond wheel one side is equipped with contact curved surface (10) with the wheel laminating.
6. The rail transit vehicle back-running prevention device according to claim 1, characterized in that: the length of the base (1) is smaller than the wheel track between the wheels.
7. A control method for preventing the rail transit vehicle from rolling back is applied to the rail transit vehicle anti-rolling back device in the claim 1, and is characterized by comprising the following steps:
the method comprises the following steps that firstly, before the rail vehicle is ready to be parked, self-checking is carried out on a back-slipping prevention device of the rail vehicle so as to determine whether actions can be carried out or not, and a self-checking result is sent to a control part of the rail vehicle;
step two, when the running speed of the rail vehicle reaches a set value, the anti-back-sliding device enters a preparation state;
when the running speed of the rail vehicle is zero, starting the anti-back-sliding device and rapidly unfolding the anti-back-sliding device;
and step four, finishing the anti-back-slip control.
8. The control method for preventing the rail transit vehicle from rolling back as claimed in claim 7, characterized in that: in the second step, when the anti-back-sliding device enters the preparation state, the hydraulic ejector rod (5) acts to push the double-head hydraulic cylinder (4) to the specified horizontal position.
9. The control method for preventing the rail transit vehicle from rolling back as claimed in claim 7, characterized in that: and step three, the two movable ends of the double-head hydraulic cylinder (4) act to send the iron shoes (6) to the positions between the wheels and the track, and at the moment, the wheels are matched with the iron shoes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660184.4A CN113200072A (en) | 2021-06-15 | 2021-06-15 | Anti-backward-sliding device for rail transit vehicle and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660184.4A CN113200072A (en) | 2021-06-15 | 2021-06-15 | Anti-backward-sliding device for rail transit vehicle and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113200072A true CN113200072A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110660184.4A Pending CN113200072A (en) | 2021-06-15 | 2021-06-15 | Anti-backward-sliding device for rail transit vehicle and control method |
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| Country | Link |
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| CN (1) | CN113200072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312898A (en) * | 2021-12-31 | 2022-04-12 | 北部湾港防城港码头有限公司 | Emergency braking device for preventing gust of rail crane |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202827623U (en) * | 2012-10-09 | 2013-03-27 | 宁波乾豪金属制品有限公司 | Car-stopping device |
| CN203186359U (en) * | 2013-03-26 | 2013-09-11 | 安阳永安贺驼煤矿有限公司 | Double-direction car-covering device |
| CN205098216U (en) * | 2015-11-01 | 2016-03-23 | 兰州交通大学 | Swift current stopper is prevented to railway train |
| CN108423028A (en) * | 2018-05-14 | 2018-08-21 | 西南交通大学 | A kind of rail vehicle anti roll device |
| CN108715172A (en) * | 2018-05-08 | 2018-10-30 | 中铁十八局集团有限公司 | A kind of anti roll device of rail battery truck |
| CN208277729U (en) * | 2018-06-04 | 2018-12-25 | 宁波大学 | Spray drawing machine for roof air brushing |
| KR20190112952A (en) * | 2018-03-27 | 2019-10-08 | 현대제철 주식회사 | Wheel chock |
| CN210760786U (en) * | 2019-09-26 | 2020-06-16 | 中建空列（北京）科技有限公司 | Parking stopper, bogie and rail train |
| CN212172227U (en) * | 2020-04-13 | 2020-12-18 | 孙伟东 | Anti-running device for railway running vehicle |
-
2021
- 2021-06-15 CN CN202110660184.4A patent/CN113200072A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202827623U (en) * | 2012-10-09 | 2013-03-27 | 宁波乾豪金属制品有限公司 | Car-stopping device |
| CN203186359U (en) * | 2013-03-26 | 2013-09-11 | 安阳永安贺驼煤矿有限公司 | Double-direction car-covering device |
| CN205098216U (en) * | 2015-11-01 | 2016-03-23 | 兰州交通大学 | Swift current stopper is prevented to railway train |
| KR20190112952A (en) * | 2018-03-27 | 2019-10-08 | 현대제철 주식회사 | Wheel chock |
| CN108715172A (en) * | 2018-05-08 | 2018-10-30 | 中铁十八局集团有限公司 | A kind of anti roll device of rail battery truck |
| CN108423028A (en) * | 2018-05-14 | 2018-08-21 | 西南交通大学 | A kind of rail vehicle anti roll device |
| CN208277729U (en) * | 2018-06-04 | 2018-12-25 | 宁波大学 | Spray drawing machine for roof air brushing |
| CN210760786U (en) * | 2019-09-26 | 2020-06-16 | 中建空列（北京）科技有限公司 | Parking stopper, bogie and rail train |
| CN212172227U (en) * | 2020-04-13 | 2020-12-18 | 孙伟东 | Anti-running device for railway running vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312898A (en) * | 2021-12-31 | 2022-04-12 | 北部湾港防城港码头有限公司 | Emergency braking device for preventing gust of rail crane |
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