CN111746587A

CN111746587A - Freight train auxiliary speed reduction device

Info

Publication number: CN111746587A
Application number: CN202010688496.1A
Authority: CN
Inventors: 李贤�
Original assignee: Wenzhou Taoxiong Electronic Technology Co ltd
Current assignee: Wenzhou Taoxiong Electronic Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-09

Abstract

The invention discloses a freight train auxiliary speed reducer, which comprises a machine body, wherein a placing cavity with an upward opening is arranged in the machine body, a pushing cavity with a rightward opening is arranged in the left end wall of the placing cavity, a transfer device is arranged in the pushing cavity, a middle cavity is arranged at the lower side of the pushing cavity, and a pressure cavity with an upward opening is arranged in the lower end wall of the placing cavity.

Description

Freight train auxiliary speed reduction device

Technical Field

The invention relates to the technical field of train auxiliary speed reduction, in particular to a freight train auxiliary speed reduction device.

Background

The freight train is not easy to stop when arriving at a station due to heavy load, the freight train cannot be completely stopped only by a brake speed reducer of the train, if forced speed reduction causes damage to a brake system of the train, even failure occurs, auxiliary equipment is needed to assist speed reduction of the train, the conventional auxiliary speed reducer is a train auxiliary speed reducer, the train auxiliary speed reducer is usually installed manually by railway workers, the train auxiliary speed reducers are placed on rails one by one, train wheels are in contact with the train auxiliary speed reducer, the train is decelerated through friction between the train auxiliary speed reducer and the rails, but the train is in a moving state, so the personal safety of the railway workers cannot be guaranteed, and meanwhile, the efficiency of manually installing the train auxiliary speed reducer is not high, and human resources are wasted.

Disclosure of Invention

Aiming at the technical defects, the invention provides an auxiliary speed reducing device for a freight train, which can overcome the defects.

The invention discloses a freight train auxiliary speed reducer which comprises a machine body, wherein a placing cavity with an upward opening is arranged in the machine body, a pushing cavity with a rightward opening is arranged in the left end wall of the placing cavity, a transfer device is arranged in the pushing cavity, a middle cavity is arranged at the lower side of the pushing cavity, a pressure cavity with an upward opening is arranged in the lower end wall of the placing cavity, a motor cavity is arranged below the pressure cavity, a power device is arranged in the motor cavity, a connecting rod cavity with a downward opening is arranged in the upper end wall of the motor cavity, a storage cavity with a leftward opening is arranged in the right end wall of the placing cavity, an intermittent cavity is arranged at the lower side of the motor cavity, an intermittent device is arranged in the intermittent cavity, a belt wheel shaft is arranged at the right side of the pushing rod, a driving cavity below the storage cavity is arranged above the right side of the belt wheel shaft, a transfer cavity with an upward opening is arranged at the right side of the A recovery cavity below the right side of the pulley shaft, wherein a mounting device is arranged in the recovery cavity, the mounting device comprises a mounting block arranged in the recovery cavity in a sliding manner, a power cavity is arranged in the mounting block, a mounting shaft which extends into the recovery cavity from the left side and is connected with a spline at the right side of the connecting shaft from the left side is rotationally arranged in the left end wall of the power cavity, a clamping cavity which is communicated up and down is arranged on the right side of the power cavity, a limiting cavity which is positioned below the power cavity and has a downward opening on the left side is arranged on the lower side of the left end wall of the clamping cavity, a rack cavity with an opening facing to the right and positioned below the intermittent cavity is arranged on the lower side of the left end wall of the recovery cavity, a rotary drum cavity is arranged at the right side of the transfer cavity, a feeding device is arranged in the rotary drum cavity, an elastic cavity with a downward opening is arranged at the upper side of the storage cavity, the upper side of the right end wall of the driving cavity is provided with a gear cavity with an opening facing to the left and communicated with the transfer cavity.

Preferably, the power device comprises a motor block arranged in the motor cavity in a sliding manner, a main motor is fixed in the motor block, the main motor is internally and dynamically connected with a motor shaft, the upper side of the motor block is fixed with a lower sliding block which is arranged in the connecting rod cavity in a sliding way, the lower sliding block is hinged with a connecting rod, the upper side of the connecting rod is hinged with an upper sliding block which is arranged on the right end wall of the connecting rod cavity in a sliding way and extends into the pressure cavity, a pressure plate which is arranged in the pressure cavity in a sliding manner is fixed on the upper side of the upper sliding block, a pressure spring is fixedly connected between the lower end surface of the pressure plate and the lower end wall of the pressure cavity, the right end wall of the motor cavity is rotatably provided with a right output shaft, the right side of the right output shaft penetrates through the belt wheel shaft and extends into the driving cavity, and the left side of the right output shaft can be connected with the motor shaft through a spline.

Preferably, the transfer device includes a push-out plate slidably disposed in the push-out cavity and capable of moving to the placement cavity, a push-out rod is hinged to the middle of the left end face of the push-out plate, an eccentric shaft is rotatably disposed on the lower end wall of the push-out cavity, the lower side of the eccentric shaft extends into the middle cavity, an eccentric wheel is fixed on the upper side of the eccentric shaft, an eccentric rod is fixed on the eccentric position of the upper end face of the eccentric wheel, the eccentric rod is rotatably connected to the left side of the push-out rod, a left output shaft is rotatably disposed on the right end wall of the middle cavity, the right side of the left output shaft extends into the motor cavity and can be connected to a motor shaft spline, and the left side of the left output.

Preferably, the intermittent device comprises a connecting shaft which is rotatably arranged in the right end wall of the intermittent cavity, the right side of the connecting shaft extends through the pulley shaft and extends into the recycling cavity, the right output shaft is connected with the connecting shaft through a group of pulleys, a fixed block is fixed on the left side of the connecting shaft, a fixed rod is fixed on the outer side end face of the fixed block, limiting cavities with openings facing to one side close to the connecting shaft are symmetrically arranged in the upper end wall and the lower end wall of the intermittent cavity relative to the connecting shaft, a limiting block partially extending into the intermittent cavity is slidably arranged in the limiting cavities, a limiting spring is fixedly connected between one side end face of the limiting block far away from the connecting shaft and one side end wall of the limiting cavity far away from the connecting shaft, a connecting wheel is rotatably arranged on the left side of the fixed block, the limiting block is in close contact with, a limiting rod is fixed at the eccentric position of the end face of the right side of the connecting wheel, the limiting rod is connected with the fixing rod through a connecting spring, and a transfer shaft is fixed on the left side of the connecting wheel.

Preferably, the feeding device comprises a rotating shaft which is rotatably arranged in the upper end wall of the rotating cylinder cavity and extends into the gear cavity from the upper side, a rotating cylinder gear is fixed on the upper side of the rotating shaft, a rotating cylinder is fixed on the rotating shaft, a driving shaft is rotatably arranged in the lower end wall of the driving cavity, the driving shaft is connected with the right output shaft through a pair of bevel gear pairs, a driving gear is fixed on the upper side of the driving shaft, an intermediate gear is meshed with the right side of the driving gear, an intermediate shaft which is rotatably arranged in the upper end wall of the gear cavity is fixed on the upper side of the intermediate gear, a ring gear in a hollow ring shape is rotatably arranged on the right side of the intermediate gear, the right side of the ring gear is meshed with the rotating cylinder gear, a sliding rod which extends into the storage cavity from the upper side is slidably arranged on the right end, the outside terminal surface of rotary drum be provided with guide arm sliding connection's screw thread form recess, the upside of slide bar is fixed with gliding holding down plate from top to bottom, the elasticity intracavity slides and is provided with the sliding block, be provided with the opening in the sliding block towards the chamber that resets of left, the left side sliding connection of sliding block have slide set up with reset block in the elasticity intracavity, reset block's right side part extends to reset intracavity and up end with fixedly connected with reset spring between the upper end wall in chamber that resets, the left side end wall internal fixation in elasticity chamber has the electro-magnet, the right side terminal surface of sliding block with fixedly connected with elasticity spring between the right-hand member wall in elasticity chamber.

Preferably, the mounting device comprises a clamping shaft rotatably arranged in the lower end wall of the power cavity and having a lower side extending into the limiting cavity, the upper side of the clamping shaft is connected with the right side of the mounting shaft through a pair of bevel gear pairs, a clamping sector gear is fixed on the lower side of the clamping shaft, a clamping rack block capable of being engaged with the front side of the clamping sector gear is slidably arranged on the rear end wall of the limiting cavity, an upper pressing block is fixed on the upper side of the clamping rack block, an upper spring is fixedly connected between the upper end surface of the upper pressing block and the upper end wall of the limiting cavity, a clamping fixture block is fixedly arranged on the lower end surface of the clamping rack block, a lower pressing block is fixed on the left side of the clamping fixture block, a lower spring is fixedly connected between the left end surface of the lower pressing block and the left end wall of the limiting cavity, and a recovery rack which has a left side extending into the rack cavity and can slide left and right is fixed on the lower, the lower terminal wall internal rotation in intermittent type chamber is provided with the downside and extends to the transmission axle in the rack intracavity, the upside of transmission axle with the transfer axle left side is connected through a pair of bevel gear pair, the downside of transmission axle is fixed with rack sector gear, rack sector gear's rear side with retrieve the front side meshing of rack, the left end face downside of installation piece with retrieve fixedly connected with between the left end face in chamber and retrieve the spring.

The beneficial effects are that: the train auxiliary brake placing device can automatically store and clamp the train auxiliary brake placed in the placing cavity without manual clamping, improves clamping efficiency, can automatically transmit the stored train auxiliary brake to the mounting position without manual operation, greatly reduces labor intensity of a railway inspector, can automatically place the train auxiliary brake on a rail, improves placing efficiency, reduces danger possibly generated during manual placing, and protects personal safety of the railway inspector.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of the auxiliary reduction gear of a freight train according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a structural sectional view in the direction B-B in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention discloses a freight train auxiliary speed reducer of a device, which comprises a machine body 10, wherein a placing cavity 14 with an upward opening is arranged in the machine body 10, a pushing cavity 12 with a rightward opening is arranged in the left end wall of the placing cavity 14, a transfer device is arranged in the pushing cavity 12, a middle cavity 68 is arranged on the lower side of the pushing cavity 12, a pressure cavity 16 with an upward opening is arranged in the lower end wall of the placing cavity 14, a motor cavity 64 is arranged below the pressure cavity 16, a power device is arranged in the motor cavity 64, a connecting rod cavity 70 with a downward opening is arranged in the upper end wall of the motor cavity 64, a storage cavity 24 with a leftward opening is arranged in the right end wall of the placing cavity 14, an intermittent cavity 75 is arranged below the motor cavity 64, an intermittent device is arranged in the intermittent cavity 75, a belt wheel shaft 54 is arranged on the right side of the pushing rod 72, a driving cavity 35 positioned below the storage cavity 24 is arranged above the right side of, the right side of the driving cavity 35 is provided with a transfer cavity 36 with an upward opening, the lower side of the transfer cavity 36 is provided with a recovery cavity 50 positioned below the right side of the pulley shaft 54, the recovery cavity 50 is internally provided with a mounting device, the mounting device comprises a mounting block 39 arranged in the recovery cavity 50 in a sliding manner, the mounting block 39 is internally provided with a power cavity 38, the left end wall of the power cavity 38 is rotatably provided with a mounting shaft 52 which extends to the left side of the recovery cavity 50 and is connected with the right side of the connecting shaft 55 through a spline, the right side of the power cavity 38 is provided with a clamping cavity 40 which is communicated up and down, the lower side of the left end wall of the clamping cavity 40 is provided with a limiting cavity 44 which is positioned below the power cavity 38 and has a partial downward opening at the left side, the lower side of the left end wall of the recovery cavity 50 is provided with a rack cavity 63 which has an upward opening, a feeding device is arranged in the rotary drum cavity 33, an elastic cavity 25 with a downward opening is arranged on the upper side of the storage cavity 24, and a gear cavity 30 with a leftward opening and communicated with the transfer cavity 36 is arranged on the upper side of the right end wall of the driving cavity 35.

Advantageously, the power device comprises a motor block 60 slidably disposed in the motor cavity 64, a main motor 57 is fixed in the motor block 60, a motor shaft 65 is dynamically connected in the main motor 57, a lower slider 67 slidably disposed in the link cavity 70 is fixed on the upper side of the motor block 60, a connecting rod 69 is hinged on the lower slider 67, an upper slider 18 slidably disposed in the right end wall of the link cavity 70 is hinged on the upper side of the connecting rod 69, the upper slider 18 extends into the pressure cavity 16, a pressure plate 15 slidably disposed in the pressure cavity 16 is fixed on the upper side of the upper slider 18, a pressure spring 17 is fixedly connected between the lower end surface of the pressure plate 15 and the lower end wall of the pressure cavity 16, a right output shaft 56 extending into the driving cavity 35 through the belt wheel shaft 54 is rotatably disposed on the right end wall of the motor cavity 64, the left side of the right output shaft 56 can be splined to the motor shaft 65.

Advantageously, the transfer device comprises a push-out plate 13 slidably arranged in the push-out chamber 12 and capable of moving into the placing chamber 14, a push-out rod 72 is hinged in the middle of the left end face of the push-out plate 13, an eccentric shaft 11 with a lower side extending into the middle chamber 68 is rotatably arranged in the lower end wall of the push-out chamber 12, an eccentric wheel 71 is fixed on the upper side of the eccentric shaft 11, an eccentric rod 73 is fixed on the eccentric position of the upper end face of the eccentric wheel 71, the eccentric rod 73 is rotatably connected with the left side of the push-out rod 72, a left output shaft 66 with a right side extending into the motor chamber 64 and capable of being in splined connection with the motor shaft 65 is rotatably arranged in the right end wall of the middle chamber 68, the left side of the left output shaft 66 is connected with the lower side of the eccentric shaft 11 through a pair of bevel gears, and the device can automatically store and clamp the train, clamping work is not required to be carried out manually, and clamping efficiency is improved.

Advantageously, the intermittent device comprises a connecting shaft 55 rotatably disposed in a right end wall of the intermittent chamber 75, a right side of the connecting shaft 55 extends through the pulley shaft 54 to the recovery chamber 50, the right output shaft 56 is connected with the connecting shaft 55 through a set of pulleys, a fixed block 79 is fixed on a left side of the connecting shaft 55, a fixed rod 80 is fixed on an outer end face of the fixed block 79, a limit chamber 76 with an opening facing to a side close to the connecting shaft 55 is symmetrically disposed in an upper end wall and a lower end wall of the intermittent chamber 75 relative to the connecting shaft 55, a limit block 78 partially extending into the intermittent chamber 75 is slidably disposed in the limit chamber 76, a limit spring 77 is fixedly connected between an end face of one side of the limit chamber 78 far away from the connecting shaft 55 and an end wall of one side of the limit chamber 76 far away from the connecting shaft 55, and a connecting wheel 74, the limiting block 78 is closely contacted with the connecting wheel 74 and limits the rotation of the connecting wheel 74 through friction force, a limiting rod 82 is fixed at the eccentric position of the right side end face of the connecting wheel 74, the limiting rod 82 is connected with the fixing rod 80 through a connecting spring 81, and the transfer shaft 58 is fixed at the left side of the connecting wheel 74.

Advantageously, the feeding device comprises a rotating shaft 34 rotatably disposed in the upper end wall of the rotating cylinder chamber 33 and extending from the upper side into the gear chamber 30, a drum gear 86 is fixed on the upper side of the rotating shaft 34, a drum 31 is fixed on the rotating shaft 34, a driving shaft 37 is rotatably disposed in the lower end wall of the driving chamber 35, the driving shaft 37 is connected with the right output shaft 56 through a pair of bevel gear pairs, a driving gear 84 is fixed on the upper side of the driving shaft 37, a middle gear 85 is engaged with the right side of the driving gear 84, a middle shaft 83 is fixed on the upper side of the middle gear 85 and rotatably disposed in the upper end wall of the gear chamber 30, a ring gear 29 in a hollow ring shape is rotatably disposed on the right side of the middle gear 85, the right side of the ring gear 29 is engaged with the drum gear 86, a sliding rod 28 extending from the upper side into the storage chamber 24 is slidably disposed on the right end wall of, a guide rod 32 is fixed on the lower side of the sliding rod 28, a thread-shaped groove in sliding connection with the guide rod 32 is arranged on the outer end face of the rotary drum 31, a lower pressing plate 27 capable of sliding up and down is fixed on the upper side of the sliding rod 28, a sliding block 23 is arranged in the elastic cavity 25 in a sliding manner, a reset cavity 22 with an opening facing to the left is arranged in the sliding block 23, a reset block 21 in the elastic cavity 25 is connected to the left side of the sliding block 23 in a sliding manner, the right side part of the reset block 21 extends into the reset cavity 22, a reset spring 20 is fixedly connected between the upper end face and the upper end wall of the reset cavity 22, an electromagnet 19 is fixed in the left end wall of the elastic cavity 25, an elastic spring 26 is fixedly connected between the right end face of the sliding block 23 and the right end wall of the elastic cavity 25, and the device can automatically transmit the stored auxiliary brake of the train to an installation position, the manual operation is not needed, and the labor intensity of railway inspectors is greatly reduced.

Advantageously, the mounting device comprises a clamping shaft 46 rotatably disposed in the lower end wall of the power chamber 38 and extending downward into the limiting chamber 44, the upper side of the clamping shaft 46 is connected to the right side of the mounting shaft 52 through a pair of bevel gear pairs, a clamping sector gear 87 is fixed to the lower side of the clamping shaft 46, a clamping rack block 42 capable of meshing with the front side of the clamping sector gear 87 is slidably disposed on the rear end wall of the limiting chamber 44, an upper pressing block 43 is fixed to the upper side of the clamping rack block 42, an upper spring 41 is fixedly connected between the upper end surface of the upper pressing block 43 and the upper end wall of the limiting chamber 44, a clamping block 47 is fixedly secured to the lower end surface of the clamping rack block 42, a lower pressing block 48 is fixed to the left side of the clamping block 47, a lower spring 49 is fixedly connected between the left end surface of the lower pressing block 48 and the left end wall of the limiting chamber 44, the left end face lower side of the installation block 39 is fixed with a left side and extends to a recovery rack 62 which is arranged in a rack cavity 63 and can slide left and right, the lower end wall inner rotation of the intermittent cavity 75 is provided with a transmission shaft 59 which extends to the lower side in the rack cavity 63, the upper side of the transmission shaft 59 is connected with the left side of the transmission shaft 58 through a pair of bevel gear pairs, the lower side of the transmission shaft 59 is fixed with a rack sector gear 61, the rear side of the rack sector gear 61 is meshed with the front side of the recovery rack 62, the left end face lower side of the installation block 39 is fixedly connected with a recovery spring 51 between the left end faces of the recovery cavity 50, the device can automatically place the train auxiliary brake on a rail, the placement efficiency is improved, meanwhile, the danger which can occur when the train auxiliary brake is placed manually is reduced, and the personal safety of a railway inspector is protected.

In an initial state, the motor shaft 65 is not connected with the left output shaft 66, the motor shaft 65 is in splined connection with the right output shaft 56, the mounting block 39 is located in the recovery cavity 50, the rack sector gear 61 is meshed with the recovery rack 62, the lower pressing plate 27 is located on the uppermost side of the storage cavity 24, the upper side portion of the pressing plate 15 is located in the placing cavity 14, the pushing plate 13 is located in the pushing cavity 12, the electromagnet 19 is electrified, the limit block 78 is in close contact with the connecting wheel 74 to generate friction force to limit the connecting wheel 74 to rotate, the clamping sector gear 87 is not meshed with the clamping rack block 42, and the recovery rack 62 is meshed with the rack sector gear 61.

When the auxiliary brake of the train is put into the placing cavity 14, the pressure plate 15 is pressed to move downwards, the upper sliding block 18 is moved downwards, the lower sliding block 67 is moved towards the left side through the connecting rod 69, the motor block 60 is moved towards the left side, the motor shaft 65 is in splined connection with the left output shaft 66, the motor shaft 65 is disconnected from the right output shaft 56, the main motor 57 is started to drive the motor shaft 65 to rotate, the left output shaft 66 is driven to rotate, the eccentric shaft 11 is driven to rotate through the pair of bevel gear pairs, the eccentric wheel 71 is driven to rotate, the eccentric rod 73 is driven to move leftwards and rightwards, the pushing plate 13 is driven to reciprocate leftwards and rightwards through the pushing rod 72, the auxiliary brake of the train is pushed rightwards into the storage cavity 24, when passing through the resetting block 21, the resetting block 21 is moved upwards, and then is reset downwards under the action of the resetting spring 20, then the pushing plate 13 is reset to the left side, thereby reciprocating, when the storage amount of the train auxiliary brake in the storage cavity 24 reaches the standard amount, the left end surface of the leftmost train auxiliary brake is just contacted with the right end surface of the reset block 21, no redundant train auxiliary brake exists in the placing cavity 14, the rightmost train auxiliary brake is closely contacted with the right end wall of the storage cavity 24, the generated friction force is larger than the self gravity, then the main motor 57 is started, the electromagnet 19 is powered off, the right output shaft 56 is driven to rotate through the motor shaft 65, the driving shaft 37 is driven to rotate through the pair of bevel gear pairs, so that the driving gear 84 is driven to rotate, the middle gear 85 is driven to rotate, the rotary drum gear 86 is driven to rotate through the ring gear 29, the rotary drum 31 is driven to rotate through the rotating shaft 34, and the sliding rod 28 is driven to slide up and down through the, so that the lower press plate 27 slides up and down, when the lower press plate 27 slides down, the train auxiliary brake enters the transfer chamber 36, then the right pressure is not continuously applied to the train auxiliary brake, at the moment, the self gravity thereof is larger than the friction force, and then the train auxiliary brake enters the clamping chamber 40, the clamping rack block 42 moves to the left side firstly, then the clamping rack block 42 clamps the train auxiliary brake to the right through the clamping fixture block 47 under the action of the lower spring 49, so that the train auxiliary brake cannot slide down, meanwhile, because the train auxiliary brake in the storage chamber 24 is reduced by one, the sliding block 23 moves to the right side under the action of the elastic spring 26, so that the train auxiliary brake moves to the right side through the reset block 21 to perform vacancy compensation, thereby reciprocating, and simultaneously, the right output shaft 56 drives the connecting shaft 55 to rotate through a group of belt pulleys, thereby driving the fixing block 79 to, thereby driving the fixing rod 80 to rotate around the connecting shaft 55 as a center of circle, when the fixing rod 80 contacts with the limiting block 78, the limiting block 78 is pushed into the limiting cavity 76, at this time, the connecting spring 81 is stretched, thereby reducing the friction force on the connecting wheel 74, at the same time, the connecting spring 81 gives a rotational pulling force to the connecting wheel 74 and is greater than the friction force, thereby making the connecting wheel 74 rotate half a turn, thereby driving the transfer shaft 58 to rotate half a turn, thereby driving the transfer shaft 59 to rotate half a turn through a pair of bevel gear pairs, thereby making the rack sector gear 61 rotate half a turn, thereby making the recovery rack 62 move to the right side, further making the mounting block 39 move to the right to get out of the recovery cavity 50 and making the clamping cavity 40 be located right above the external rail, when the mounting block 39 moves out of the recovery cavity 50, the upper pressing block 43 moves downward under the action of the upper spring 41, thereby making the clamping rack block 42 move downward, thereby making the clamping sector gear 87 mesh with, at the same time, the connecting shaft 55 drives the mounting shaft 52 to rotate, so that the clamping shaft 46 is driven to rotate through a pair of bevel gear pairs, thereby rotating the clamping sector gear 87, moving the clamping rack bar 42 to the left to release the clamping of the train auxiliary brake, so that the train auxiliary brake falls on the external rail under the action of self gravity, and when the train wheels contact with the train auxiliary brake, the train auxiliary brake can slide on the rail, so that the friction force generated slows the train, and then the rack sector gear 61 is disengaged from the recovery rack 62, so that the mounting block 39 is rapidly returned to the left side by the recovery spring 51, thereby reciprocating, and after all the train auxiliary brakes stored in the storage chamber 24 are placed on the rails, the main motor 57 is turned off, and then replacing the train auxiliary brake into the parking chamber 14, thereby reciprocating.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a freight transportation train auxiliary reduction gear, includes the organism, its characterized in that: a placing cavity with an upward opening is arranged in the machine body, a pushing cavity with a rightward opening is arranged in the left end wall of the placing cavity, a transfer device is arranged in the pushing cavity, a middle cavity is arranged at the lower side of the pushing cavity, a pressure cavity with an upward opening is arranged in the lower end wall of the placing cavity, a motor cavity is arranged below the pressure cavity, a power device is arranged in the motor cavity, a connecting rod cavity with a downward opening is arranged in the upper end wall of the motor cavity, a storage cavity with a leftward opening is arranged in the right end wall of the placing cavity, an intermittent cavity is arranged at the lower side of the motor cavity, an intermittent device is arranged in the intermittent cavity, a belt wheel shaft is arranged at the right side of the pushing rod, a driving cavity positioned below the storage cavity is arranged above the right side of the belt wheel shaft, a transfer cavity with an upward opening is arranged at the right side of the driving cavity, and a recovery cavity, the recovery cavity is internally provided with a mounting device which comprises a mounting block arranged in the recovery cavity in a sliding way, a power cavity is arranged in the mounting block, a mounting shaft which extends into the recovery cavity from the left side and is connected with a spline at the right side of the connecting shaft from the left side is rotationally arranged in the left end wall of the power cavity, a clamping cavity which is communicated up and down is arranged on the right side of the power cavity, a limiting cavity which is positioned below the power cavity and has a downward opening on the left side is arranged on the lower side of the left end wall of the clamping cavity, a rack cavity with an opening facing to the right and positioned below the intermittent cavity is arranged on the lower side of the left end wall of the recovery cavity, a rotary drum cavity is arranged at the right side of the transfer cavity, a feeding device is arranged in the rotary drum cavity, an elastic cavity with a downward opening is arranged at the upper side of the storage cavity, the upper side of the right end wall of the driving cavity is provided with a gear cavity with an opening facing to the left and communicated with the transfer cavity.

2. A freight train auxiliary reduction unit according to claim 1, wherein: the power device including slide set up in motor block in the motor intracavity, the motor block internal fixation has main motor, power connection has the motor shaft in the main motor, the upside of motor block be fixed with slide set up in lower slider in the connecting rod intracavity, it has the connecting rod to articulate on the slider down, the upside of connecting rod articulate have slide set up in connecting rod chamber right-hand member wall and upside extend to last slider in the pressure chamber, the upside of going up the slider be fixed with slide set up in the pressure plate in the pressure chamber, the lower terminal surface of pressure plate with fixedly connected with pressure spring between the lower extreme wall of pressure chamber, the right-hand member wall internal rotation in motor chamber is provided with the right side and passes the band pulley axle extends to the right output shaft in the drive intracavity, the left side of right output shaft can with motor shaft splined connection.

3. A freight train auxiliary reduction unit according to claim 1, wherein: the transfer device comprises a push-out plate which is arranged in the push-out cavity in a sliding mode and can move to the place cavity, a push-out rod is hinged to the middle of the left end face of the push-out plate, an eccentric shaft is arranged in the lower end wall of the push-out cavity in a rotating mode, the lower side of the push-out cavity extends into the middle cavity, an eccentric wheel is fixed to the upper side of the eccentric shaft, an eccentric rod is fixed to the eccentric position of the upper end face of the eccentric wheel and is connected with the left side of the push-out rod in a rotating mode, a left output shaft is arranged in the right end wall of the middle cavity in a rotating mode, the right side of the right end wall of the middle cavity extends into the motor cavity and.

4. A freight train auxiliary reduction unit according to claim 1, wherein: the intermittent device comprises a connecting shaft which is rotatably arranged in the right end wall of the intermittent cavity, the right side of the connecting shaft extends through the belt wheel shaft and extends into the recycling cavity, the right output shaft is connected with the connecting shaft through a group of belt wheels, a fixed block is fixed on the left side of the connecting shaft, a fixed rod is fixed on the outer end face of the fixed block, limiting cavities with openings facing to one side close to the connecting shaft are symmetrically arranged in the upper end wall and the lower end wall of the intermittent cavity relative to the connecting shaft, a limiting block partially extending into the intermittent cavity is slidably arranged in the limiting cavities, a limiting spring is fixedly connected between one end face of the limiting block, far away from the connecting shaft, and one end wall of the limiting cavity, far away from the connecting shaft, a connecting wheel is rotatably arranged on the left side of the fixed block, the limiting block is in, a limiting rod is fixed at the eccentric position of the end face of the right side of the connecting wheel, the limiting rod is connected with the fixing rod through a connecting spring, and a transfer shaft is fixed on the left side of the connecting wheel.

5. A freight train auxiliary reduction unit according to claim 1, wherein: the feeding device comprises a rotating shaft which is rotatably arranged in the upper end wall of the rotating cylinder cavity, the upper side of the rotating shaft extends into the gear cavity, a rotating cylinder gear is fixed on the upper side of the rotating shaft, a rotating cylinder is fixed on the rotating shaft, a driving shaft is rotatably arranged in the lower end wall of the driving cavity, the driving shaft is connected with the right output shaft through a pair of bevel gear pairs, a driving gear is fixed on the upper side of the driving shaft, an intermediate gear is meshed with the right side of the driving gear, an intermediate shaft which is rotatably arranged in the upper end wall of the gear cavity is fixed on the upper side of the intermediate gear, a hollow annular gear is rotatably arranged on the right side of the intermediate gear, the right side of the annular gear is meshed with the rotating cylinder gear, a sliding rod which extends into the storage cavity from the upper side is slidably arranged on the right end, the outside terminal surface of rotary drum be provided with guide arm sliding connection's screw thread form recess, the upside of slide bar is fixed with gliding holding down plate from top to bottom, the elasticity intracavity slides and is provided with the sliding block, be provided with the opening in the sliding block towards the chamber that resets of left, the left side sliding connection of sliding block have slide set up with reset block in the elasticity intracavity, reset block's right side part extends to reset intracavity and up end with fixedly connected with reset spring between the upper end wall in chamber that resets, the left side end wall internal fixation in elasticity chamber has the electro-magnet, the right side terminal surface of sliding block with fixedly connected with elasticity spring between the right-hand member wall in elasticity chamber.

6. A freight train auxiliary reduction unit according to claim 1, wherein: the mounting device comprises a clamping shaft which is rotatably arranged in the lower end wall of the power cavity, the lower side of the clamping shaft extends into the limiting cavity, the upper side of the clamping shaft is connected with the right side of the mounting shaft through a pair of bevel gear pairs, a clamping sector gear is fixed on the lower side of the clamping shaft, a clamping rack block which can be meshed with the front side of the clamping sector gear is arranged on the rear side end wall of the limiting cavity in a sliding manner, an upper pressing block is fixed on the upper side of the clamping rack block, an upper spring is fixedly connected between the upper end surface of the upper pressing block and the upper end wall of the limiting cavity, a clamping fixture block is fixedly arranged on the lower end surface of the clamping rack block, a lower pressing block is fixed on the left side of the clamping fixture block, a lower spring is fixedly connected between the left end surface of the lower pressing block and the left end wall of the limiting cavity, and a recovery rack which can slide leftwards and extends into the rack cavity, the lower terminal wall internal rotation in intermittent type chamber is provided with the downside and extends to the transmission axle in the rack intracavity, the upside of transmission axle with the transfer axle left side is connected through a pair of bevel gear pair, the downside of transmission axle is fixed with rack sector gear, rack sector gear's rear side with retrieve the front side meshing of rack, the left end face downside of installation piece with retrieve fixedly connected with between the left end face in chamber and retrieve the spring.