CN112172860B - Mechanical speed reducer for railway vehicle - Google Patents
Mechanical speed reducer for railway vehicle Download PDFInfo
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- CN112172860B CN112172860B CN202011026601.1A CN202011026601A CN112172860B CN 112172860 B CN112172860 B CN 112172860B CN 202011026601 A CN202011026601 A CN 202011026601A CN 112172860 B CN112172860 B CN 112172860B
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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
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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Abstract
The invention discloses a mechanical speed reducer for railway vehicles, which comprises a first fixed cylinder and a second fixed cylinder, wherein consumption components are movably arranged in the first fixed cylinder and the second fixed cylinder, one ends of opposite surfaces of the first fixed cylinder and the second fixed cylinder are fixedly connected with connecting pipes, and a limiting component is fixedly arranged on the surface of the second fixed cylinder. According to the invention, the lifting head is matched with the limiting rod to drive the first piston to move downwards to extrude air, the air in the first fixing cylinder enters the fixing pipe through the communicating pipe in the second fixing cylinder and pushes the third piston to push the two ends of the fixing pipe away, the two clamping blocks are driven to be away from each other through the positioning rod until the limit of a consumed component is removed, at the moment, under the action of resetting and stretching of the first damping spring, the second damping spring and the first telescopic rod, the lifting head moves upwards and actively impacts a railway vehicle, so that the purposes of actively consuming the kinetic energy of the vehicle and doing work on the vehicle are realized, and the speed control is convenient to be rapidly performed.
Description
Technical Field
The invention relates to the field of railway vehicle speed control devices, in particular to a mechanical speed reducing device for a railway vehicle.
Background
The control device for the moving speed of the railway vehicle is mainly divided into two categories: one type is a mechanical friction device, such as an iron shoe, a retarder, a tail parking device and the like, utilizes equipment to produce friction force to pass through a vehicle to do work, consumes the energy of the vehicle and achieves the aim of speed regulation. The second type is an oil (steam) pressure retarder, in an action process, oil gas absorbs and consumes work of a vehicle on the retarder through secondary throttling of a pressure valve and a return valve, and the aim of reducing is achieved.
However, in the prior art, the components are independent from each other and all passively decelerate the railway vehicle, so that the kinetic energy of the railway vehicle can not be used for actively consuming the kinetic energy of the vehicle and doing work on the kinetic energy, and the speed control is slow.
Disclosure of Invention
The present invention is directed to a mechanical reduction gear for a railway vehicle to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the energy-saving device comprises a first fixed cylinder and a second fixed cylinder, wherein consumption components are movably arranged in the first fixed cylinder and the second fixed cylinder, one ends of opposite surfaces of the first fixed cylinder and the second fixed cylinder are fixedly connected with connecting pipes, the surface of the second fixed cylinder is fixedly provided with limiting components, the limiting components are respectively internally provided with a limit component removing component, a restoring component and an energy consumption component, the consumption components comprise a lifting head, the middle part of the bottom of the lifting head is fixedly connected with a limiting rod, the surface of the limiting rod is movably connected with limiting sleeves, the two limiting sleeves are respectively and fixedly connected with the inner walls of the first fixed cylinder and the second fixed cylinder, the top and the bottom of each limiting sleeve are respectively and fixedly connected with a first damping spring and a second damping spring, the bottom of the limiting rod is fixedly connected with a first piston, and the two first pistons are respectively and movably connected with the inner walls of the first fixed cylinder and the second fixed cylinder, the inner walls of the first fixed cylinder and the second fixed cylinder are both movably connected with a second piston, the bottom of the second piston is fixedly connected with a first telescopic rod, the surface of the first telescopic rod is fixedly connected with a third damping spring, the limiting component comprises a fixed frame and a fixed block, the fixed frame is fixedly connected to the surface of the second fixed cylinder, the fixed block is fixedly connected to the surface of the lifting head, the bottom of the fixed block is fixedly connected with a lifting rod, the surface of the lifting rod is fixedly connected with a limiting head, the inner wall of the fixed frame is movably connected with a clamping block, a first movable groove is formed in one end, corresponding to the position of the limiting head, of the clamping block, the inner wall of the first movable groove is movably connected with a limiting block, one end, far away from the position of the first movable groove, of the limiting block is movably connected with the surface of the limiting head, the limiting component comprises a communicating pipe, and the communicating pipe fixedly penetrates through the second fixed cylinder and extends to the inside of the fixed frame, keep away from the fixed pipe of one end fixedly connected with of the fixed section of thick bamboo position of second communicating pipe, the second activity groove has been seted up to the one end of the corresponding fixed pipe position of clamp splice, the inner wall in second activity groove and the surface swing joint of fixed pipe, other swing joint has the third piston is equallyd divide at the both ends of fixed inside pipe wall, the one end fixedly connected with locating lever of communicating pipe position is kept away from to the third piston, and the locating lever activity runs through and extends to the outside of fixed pipe, locating lever fixed connection is at the inner wall in second activity groove.
Preferably, the inside of the connecting pipe is respectively communicated with the inside of the first fixed cylinder and the second fixed cylinder, a first one-way valve is arranged in the middle of the connecting pipe, an air inlet pipe is fixedly connected to one end, far away from the connecting pipe, of the first fixed cylinder, and a second one-way valve is arranged in the middle of the air inlet pipe.
Preferably, first damping spring fixed connection is in the bottom of lift head, second damping spring fixed connection is at the top of first piston, first piston is located the top of second piston, respectively fixedly connected with actuating lever is equallyd divide at the both ends of lift head bottom, and actuating lever fixed connection is at the top of first piston.
Preferably, the quantity of pressing from both sides tight piece is two, and two press from both sides tight piece and set up for the symmetry axis about the vertical axis of fixed frame mid point, the restriction head is the triangle-shaped structure, and limits the piece and be the trapezium structure, the inclination of restriction head equals with the inclination of restriction piece, the one end fixedly connected with second telescopic link that the corresponding first movable groove of restriction piece was put, the fixed surface of second telescopic link is connected with fourth damping spring, second telescopic link fixed connection is at the inner wall in first movable groove.
Preferably, the communicating pipe is fixedly connected to the middle of the fixed pipe, the fixed pipe is located between the two clamping blocks, and the inside of the communicating pipe is communicated with the fixed pipe and the inside of the second fixed cylinder respectively.
Preferably, the inner wall fixedly connected with guide bar of fixed frame, the guide way has been seted up to the one end that presss from both sides the corresponding guide bar position of tight piece, the inner wall of guide way is pegged graft with the surface activity of guide bar.
Preferably, the restoration subassembly includes the fixing base, fixing base fixed connection is in the bottom at fixed frame inner wall middle part, the top fixedly connected with dead lever of fixing base, the third activity groove has been seted up to the inside of the corresponding dead lever position of tight piece of clamp, the dead lever runs through the inside that presss from both sides tight piece and extend to the third activity groove, the one end fixedly connected with movable block at the corresponding third activity groove position of dead lever, the one end fixedly connected with fifth damping spring of the corresponding dead lever position of movable block, and fifth damping spring fixed connection is at the inner wall in third activity groove.
Preferably, the power consumption subassembly is including rotating the groove, rotate the groove and set up at the middle part of fixed frame lateral wall, the inner wall that rotates the groove rotates through the bearing and is connected with the gear, the surface toothing of gear has the pinion rack, pinion rack fixed connection is on the surface of lifter, the inner wall fixedly connected with resistance plate that rotates the groove, and the surface of resistance plate closely laminates with the surface of gear, clockwise resistance groove has been seted up to the one end of the corresponding gear position of resistance plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the lifting head is matched with the limiting rod to drive the first piston to move downwards to extrude air through the railway vehicle, the air in the first fixed cylinder enters the fixed pipe through the communicating pipe in the second fixed cylinder and pushes the third piston away from two ends, the two clamping blocks are driven to be away from each other through the positioning rod until the limit of a consumed component is removed, at the moment, the lifting head moves upwards under the action of the resetting and stretching of the first damping spring, the second damping spring and the first telescopic rod, and the railway vehicle is actively impacted, so that the purposes of actively consuming the kinetic energy of the vehicle and doing work on the vehicle are realized, and the speed control is convenient to be rapidly carried out;
2. the limiting device is also provided with the limiting head with the same inclination angle as the limiting blocks, so that when the lifting rod drives the limiting head to move downwards, the limiting head can drive the limiting blocks to move towards the inner wall of the first movable groove, and when the limiting head is positioned below the limiting blocks, the limiting head can be prevented from moving upwards by driving the two limiting blocks to approach each other through the arrangement of the second telescopic rod and the fourth damping spring;
3. the fixed block drives the toothed plate to move downwards and drives the gear to rotate by driving the fixed block to move downwards when the consumption assembly drives the fixed block, and the clockwise resistance groove is formed in one end, corresponding to the gear, of the resistance plate by arranging the resistance plate, so that the resistance plate can generate resistance to the rotation of the gear when the gear rotates along with the pointer, the kinetic energy of the railway vehicle is further consumed, and the speed of the railway vehicle can be controlled quickly.
Drawings
FIG. 1 is a front cross-sectional view of a first stationary barrel structure of a mechanical reduction gear for a railway vehicle in accordance with the present invention;
FIG. 2 is a front cross-sectional view of a second stationary barrel structure of a mechanical reduction gear for railway vehicles in accordance with the present invention;
FIG. 3 is a side sectional view of the overall construction of a mechanical reduction gear for a railway vehicle in accordance with the present invention;
FIG. 4 is a side cross-sectional view of a restraint assembly for a railway car mechanical reduction unit in accordance with the present invention;
FIG. 5 is a side cross-sectional view of a release limiting assembly for a mechanical reduction gear unit of a railway vehicle in accordance with the present invention;
FIG. 6 is a schematic view of the lifter structure of the mechanical reduction gear of a railway vehicle according to the present invention.
In the figure: 1. a first fixed cylinder; 2. a second fixed cylinder; 3. a consumable component; 301. a lifting head; 302. a limiting rod; 303. a limiting sleeve; 304. a first piston; 305. a first damping spring; 306. a second damping spring; 307. a drive rod; 308. a second piston; 309. a first telescopic rod; 310. a third damping spring; 4. a connecting pipe; 5. a first check valve; 6. a restraining component; 601. a fixing frame; 602. a fixed block; 603. a lifting rod; 604. a clamping block; 605. a restraint head; 606. a limiting block; 607. a first movable slot; 608. a second telescopic rod; 609. a fourth damping spring; 610. a guide groove; 611. a guide bar; 7. releasing the restriction component; 701. a communicating pipe; 702. fixing the tube; 703. a second movable slot; 704. positioning a rod; 705. a third piston; 8. a recovery assembly; 801. a fixed seat; 802. fixing the rod; 803. a third movable slot; 804. a movable block; 805. a fifth damping spring; 9. an energy consuming component; 901. a rotating groove; 902. a gear; 903. a toothed plate; 904. a resistance plate; 10. an air inlet pipe; 11. a second one-way valve.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the device comprises a first fixed cylinder 1 and a second fixed cylinder 2, wherein consumption components 3 are movably arranged inside the first fixed cylinder 1 and the second fixed cylinder 2, connecting pipes 4 are fixedly arranged at one ends of opposite surfaces of the first fixed cylinder 1 and the second fixed cylinder 2, a limiting component 6 is fixedly arranged on the surface of the second fixed cylinder 2, a limit releasing component 7, a restoring component 8 and an energy consuming component 9 are respectively arranged inside the limiting component 6, the consumption components 3 comprise a lifting head 301, a limiting rod 302 is fixedly arranged in the middle of the bottom of the lifting head 301, a limiting sleeve 303 is movably connected to the surface of the limiting rod 302, the two limiting sleeves 303 are respectively and fixedly arranged on the inner walls of the first fixed cylinder 1 and the second fixed cylinder 2, a first damping spring 305 and a second damping spring 306 are respectively and fixedly arranged at the top and the bottom of the limiting sleeve 303, a first piston 304 is fixedly arranged at the bottom of the limiting rod 302, the two first pistons 304 are respectively and movably connected to the inner walls of the first fixed cylinder 1 and the second fixed cylinder 2, the inner walls of the first fixed cylinder 1 and the second fixed cylinder 2 are movably connected with a second piston 308, the bottom of the second piston 308 is fixedly provided with a first telescopic rod 309, the surface of the first telescopic rod 309 is fixedly provided with a third damping spring 310, the limiting assembly 6 comprises a fixed frame 601 and a fixed block 602, the fixed frame 601 is fixedly arranged on the surface of the second fixed cylinder 2, the fixed block 602 is fixedly arranged on the surface of the lifting head 301, the bottom of the fixed block 602 is fixedly provided with a lifting rod 603, the surface of the lifting rod 603 is fixedly provided with a limiting head 605, the inner wall of the fixed frame 601 is movably connected with a clamping block 604, one end of the clamping block 604 corresponding to the position of the limiting head 605 is provided with a first movable groove 607, the inner wall of the first movable groove is movably connected with a limiting block 606, one end of the limiting block 606 far away from the position of the first movable groove 607 is movably connected with the surface of the limiting head 605, the limitation removing assembly 7 comprises a communicating pipe 701, communicating pipe 701 fixedly runs through second fixed cylinder 2 and extends to the inside of fixed frame 601, communicating pipe 701 is kept away from the one end fixed mounting of second fixed cylinder 2 position and is had fixed pipe 702, the corresponding one end of fixed pipe 702 position of clamp block 604 has seted up second activity groove 703, the inner wall of second activity groove 703 and the surface swing joint of fixed pipe 702, do not swing joint have third piston 705 is equallyd divide to the both ends of fixed pipe 702 inner wall, the one end fixed mounting that communicating pipe 701 position was kept away from to third piston 705 has locating lever 704, and locating lever 704 activity runs through and extends to the outside of fixed pipe 702, locating lever 704 fixed mounting is at the inner wall of second activity groove 703.
The inside of connecting pipe 4 is linked together with the inside of first solid fixed cylinder 1 and second solid fixed cylinder 2 respectively, and the middle part of connecting pipe 4 is equipped with first check valve 5, and the one end fixed mounting that connecting pipe 4 position was kept away from to first solid fixed cylinder 1 has intake pipe 10, and the middle part of intake pipe 10 is equipped with second check valve 11.
The first damping spring 305 is fixedly installed at the bottom of the lifting head 301, the second damping spring 306 is fixedly installed at the top of the first piston 304, the first piston 304 is located at the top of the second piston 308, the two ends of the bottom of the lifting head 301 are respectively fixedly installed with the driving rod 307, and the driving rod 307 is fixedly installed at the top of the first piston 304.
The number of the clamping blocks 604 is two, the two clamping blocks 604 are symmetrically arranged about a vertical axis of a middle point of the fixing frame 601, the limiting head 605 is of a triangular structure, the limiting block 606 is of a trapezoidal structure, an inclination angle of the limiting head 605 is equal to that of the limiting block 606, a second telescopic rod 608 is fixedly installed at one end of the limiting block 606 corresponding to the position of the first movable groove 607, a fourth damping spring 609 is fixedly installed on the surface of the second telescopic rod 608, the second telescopic rod 608 is fixedly installed on the inner wall of the first movable groove 607, by setting the inclination angle of the limiting head 605 to be equal to that of the limiting block 606, when the lifting rod 603 drives the limiting head 605 to move downwards, the limiting head 605 can drive the limiting block 606 to move towards the inner wall of the first movable groove 607, and by setting the second telescopic rod 608 and the fourth damping spring 609, when the limiting head 605 is located below the limiting block 606, by bringing the two restricting blocks 606 closer to each other and preventing the restricting head 605 from moving upward.
The communication pipe 701 is fixedly installed in the middle of the fixed pipe 702, the fixed pipe 702 is located between the two clamping blocks 604, and the inside of the communication pipe 701 is respectively communicated with the fixed pipe 702 and the inside of the second fixed cylinder 2.
The inner wall of the fixed frame 601 is fixedly provided with a guide rod 611, one end of the clamping block 604 corresponding to the position of the guide rod 611 is provided with a guide groove 610, and the inner wall of the guide groove 610 is movably inserted with the surface of the guide rod 611.
The restoring assembly 8 comprises a fixed seat 801, the fixed seat 801 is fixedly installed at the bottom of the middle part of the inner wall of the fixed frame 601, the top of the fixed seat 801 is fixedly provided with a fixed rod 802, the inside of the position of the clamping block 604 corresponding to the fixed rod 802 is provided with a third movable groove 803, the fixed rod 802 penetrates through the clamping block 604 and extends to the inside of the third movable groove 803, one end of the fixed rod 802 corresponding to the position of the third movable groove 803 is fixedly connected with a movable block 804, one end of the movable block 804 corresponding to the position of the fixed rod 802 is fixedly provided with a fifth damping spring 805, the fifth damping spring is fixedly installed at the inner wall of the third movable groove 803, and the fixed rod 802 is matched with the third movable groove 803, the movable block 804 and the fifth damping spring 805, so that when the third piston 705 returns to the initial position, the fifth damping spring 805 is restored and contracted to enable the fifth damping spring 805 to drive the two clamping blocks 604 to approach each other in the third movable groove 803, until the clamping block 604 returns to the initial position.
The energy dissipation assembly 9 comprises a rotation groove 901, the rotation groove 901 is formed in the middle of the side wall of the fixing frame 601, the inner wall of the rotation groove 901 is rotatably connected with a gear 902 through a bearing, the surface of the gear 902 is meshed with a toothed plate 903, the toothed plate 903 is fixedly installed on the surface of the lifting rod 603, a resistance plate 904 is fixedly installed on the inner wall of the rotation groove 901, the surface of the resistance plate 904 is tightly attached to the surface of the gear 902, a clockwise resistance groove is formed in one end, corresponding to the position of the gear 902, of the resistance plate 904, when the consumption assembly 3 drives the fixing block 602 to move downwards, the fixing block 602 drives the toothed plate 903 to move downwards, the toothed plate 903 drives the gear 902 to rotate, and by arranging the resistance plate 904, one end, corresponding to the position of the gear 902, of the resistance plate 904 is provided with a clockwise resistance groove, when the gear 902 rotates along with a pointer, the resistance plate 904 can generate resistance to the rotation of the gear 902, thereby further consuming the kinetic energy of the railway, the speed of the railway vehicle can be controlled quickly.
The working principle is as follows: when the railway vehicle passes through the first fixed cylinder 1, the railway vehicle drives the lifting head 301 to move downwards, the lifting head 301 drives the first piston 304 to move downwards through the limiting rod 302 to extrude air, the first piston 304 drives the second piston 308 to extrude the first telescopic rod 309 and the third damping spring 310 through compressed air, and when the second piston 308 is positioned at the bottom of the connecting pipe 4, air in the first fixed cylinder 1 enters the second fixed cylinder 2 at the moment, because the consumption component 3 in the second fixed cylinder 2 is limited by the limiting component 6 and cannot be ejected, air in the first fixed cylinder 1 enters the fixed pipe 702 through the communicating pipe 701 in the second fixed cylinder 2 at the moment, and the third piston 705 is pushed towards two ends, so that the third piston 705 drives the two clamping blocks 604 to be away from each other through the positioning rod 704 until the limiting block 606 no longer prevents the limiting head 605 from moving, at this time, under the action of the resetting and stretching of the first damping spring 305, the second damping spring 306 and the first telescopic rod 309, the lifting head 301 moves upwards and actively impacts the railway vehicle, so that the purposes of actively consuming the kinetic energy of the vehicle and doing work on the vehicle are achieved, when the railway vehicle passes through the second fixed cylinder 2, the lifting head 301 drives the lifting rod 603 to move downwards through the fixed block 602, and the limiting head 605 extrudes the two limiting blocks 606 until the limiting head 605 is located below the limiting blocks 606, at this time, under the action of the second telescopic rod 608 matched with the fourth damping spring 609, the two limiting blocks 606 prevent the limiting head 605 from moving upwards, so that the consumption assembly 3 is limited.
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 is defined in the appended claims and their equivalents.
Claims (8)
1. A mechanical reduction gear of railway vehicles, comprising a first fixed cylinder (1) and a second fixed cylinder (2), characterized in that: the inner parts of the first fixed cylinder (1) and the second fixed cylinder (2) are respectively and movably provided with a consumption component (3), one end of the opposite surface of the first fixed cylinder (1) and the second fixed cylinder (2) is respectively and fixedly connected with a connecting pipe (4), the surface of the second fixed cylinder (2) is fixedly provided with a limiting component (6), the inside of the limiting component (6) is respectively provided with a limit component (7), a recovery component (8) and an energy consumption component (9), the consumption component (3) comprises a lifting head (301), the middle part of the bottom of the lifting head (301) is fixedly connected with a limiting rod (302), the surface of the limiting rod (302) is movably connected with a limiting sleeve (303), the two limiting sleeves (303) are respectively and fixedly connected with the inner walls of the first fixed cylinder (1) and the second fixed cylinder (2), the top and the bottom of the limiting sleeve (303) are respectively and fixedly connected with a first damping spring (305) and a second damping spring (306), the bottom of the limiting rod (302) is fixedly connected with first pistons (304), the two first pistons (304) are respectively and movably connected with the inner walls of a first fixed cylinder (1) and a second fixed cylinder (2), the inner walls of the first fixed cylinder (1) and the second fixed cylinder (2) are respectively and movably connected with a second piston (308), the bottom of the second piston (308) is fixedly connected with a first telescopic rod (309), the surface of the first telescopic rod (309) is fixedly connected with a third damping spring (310), the limiting assembly (6) comprises a fixed frame (601) and a fixed block (602), the fixed frame (601) is fixedly connected with the surface of the second fixed cylinder (2), the fixed block (602) is fixedly connected with the surface of the lifting head (301), the bottom of the fixed block (602) is fixedly connected with a lifting rod (603), and the surface of the lifting rod (603) is fixedly connected with a limiting head (605), the inner wall of the fixed frame (601) is movably connected with a clamping block (604), one end, corresponding to the position of the limiting head (605), of the clamping block (604) is provided with a first movable groove (607), the inner wall of the first movable groove (607) is movably connected with a limiting block (606), one end, away from the position of the first movable groove (607), of the limiting block (606) is movably connected with the surface of the limiting head (605), the limitation releasing assembly (7) comprises a communicating pipe (701), the communicating pipe (701) fixedly penetrates through the second fixed cylinder (2) and extends into the fixed frame (601), one end, away from the position of the second fixed cylinder (2), of the communicating pipe (701) is fixedly connected with a fixed pipe (702), one end, corresponding to the position of the fixed pipe (702), of the clamping block (604) is provided with a second movable groove (703), the inner wall of the second movable groove (703) is movably connected with the surface of the fixed pipe (702), the two ends of the inner wall of the fixed pipe (702) are respectively and movably connected with a third piston (705), one end, away from the position of the communicating pipe (701), of the third piston (705) is fixedly connected with a positioning rod (704), the positioning rod (704) movably penetrates through and extends to the outside of the fixed pipe (702), and the positioning rod (704) is fixedly connected to the inner wall of the second movable groove (703).
2. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the inside of connecting pipe (4) is linked together with the inside of the first solid fixed cylinder (1) and the solid fixed cylinder of second (2) respectively, the middle part of connecting pipe (4) is equipped with first check valve (5), one end fixedly connected with intake pipe (10) of connecting pipe (4) position are kept away from in first solid fixed cylinder (1), the middle part of intake pipe (10) is equipped with second check valve (11).
3. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: first damping spring (305) fixed connection is in the bottom of lift head (301), second damping spring (306) fixed connection is at the top of first piston (304), first piston (304) are located the top of second piston (308), respectively fixedly connected with actuating lever (307) is equallyd divide to the both ends of lift head (301) bottom, and actuating lever (307) fixed connection is at the top of first piston (304).
4. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the number of the clamping blocks (604) is two, the two clamping blocks (604) are symmetrically arranged about a vertical axis of a middle point of the fixing frame (601) and are symmetrical to each other, the limiting head (605) is of a triangular structure, the limiting block (606) is of a trapezoidal structure, the inclination angle of the limiting head (605) is equal to that of the limiting block (606), one end, corresponding to the first movable groove (607), of the limiting block (606) is fixedly connected with a second telescopic rod (608), the surface of the second telescopic rod (608) is fixedly connected with a fourth damping spring (609), and the second telescopic rod (608) is fixedly connected to the inner wall of the first movable groove (607).
5. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the communicating pipe (701) is fixedly connected to the middle of the fixed pipe (702), the fixed pipe (702) is located between the two clamping blocks (604), and the inside of the communicating pipe (701) is communicated with the fixed pipe (702) and the inside of the second fixed barrel (2) respectively.
6. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the inner wall of the fixing frame (601) is fixedly connected with a guide rod (611), one end, corresponding to the position of the guide rod (611), of the clamping block (604) is provided with a guide groove (610), and the inner wall of the guide groove (610) is movably inserted into the surface of the guide rod (611).
7. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the restoring assembly (8) comprises a fixed seat (801), the fixed seat (801) is fixedly connected to the bottom of the middle part of the inner wall of the fixed frame (601), a fixed rod (802) is fixedly connected to the top of the fixed seat (801), a third movable groove (803) is formed in the inner part of the corresponding fixed rod (802) of the clamping block (604), the fixed rod (802) penetrates through the clamping block (604) and extends to the inner part of the third movable groove (803), a movable block (804) is fixedly connected to one end of the corresponding third movable groove (803) of the fixed rod (802), a fifth damping spring (805) is fixedly connected to one end of the corresponding fixed rod (802) of the movable block (804), and the fifth damping spring (805) is fixedly connected to the inner wall of the third movable groove (803).
8. A mechanical deceleration device for railway vehicles according to claim 1, characterized in that: the energy consumption assembly (9) comprises a rotating groove (901), the rotating groove (901) is formed in the middle of the side wall of the fixing frame (601), the inner wall of the rotating groove (901) is connected with a gear (902) in a rotating mode through a bearing, a toothed plate (903) is meshed with the surface of the gear (902), the toothed plate (903) is fixedly connected to the surface of the lifting rod (603), a resistance plate (904) is fixedly connected to the inner wall of the rotating groove (901), the surface of the resistance plate (904) is tightly attached to the surface of the gear (902), and a clockwise resistance groove is formed in one end, corresponding to the gear (902), of the resistance plate (904).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011026601.1A CN112172860B (en) | 2020-09-25 | 2020-09-25 | Mechanical speed reducer for railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011026601.1A CN112172860B (en) | 2020-09-25 | 2020-09-25 | Mechanical speed reducer for railway vehicle |
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| CN112172860A CN112172860A (en) | 2021-01-05 |
| CN112172860B true CN112172860B (en) | 2022-06-17 |
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| GB1462045A (en) * | 1973-02-28 | 1977-01-19 | Dowty Mining Equipment Ltd | Railway wagon speed control means |
| CN2887696Y (en) * | 2006-03-28 | 2007-04-11 | 施靖中 | Mechanical speed-reducing device for railway vehicle |
| CN101863277B (en) * | 2009-04-14 | 2012-03-28 | 杨恩久 | Short body retarder |
| CN205661453U (en) * | 2016-06-07 | 2016-10-26 | 上海铁路站场调速技术中心有限公司 | High -load controllable track brake |
| CN210760789U (en) * | 2019-03-29 | 2020-06-16 | 德阳应和机械制造有限责任公司 | Composite braking cylinder body for railway vehicle |
| CN110203246A (en) * | 2019-06-19 | 2019-09-06 | 西南交通大学 | A kind of deceleration top energy recycle device based on gear and rack teeth mechanism |
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2020
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