Unlocking device of railway vehicle coupler

The automatic separation of the coupler is achieved by using a limit ring and a screw driven by a motor, which solves the problem of manual operation required in the existing technology, improves operating efficiency, prevents impurities from entering the limit shell, and ensures the normal operation of the device.

CN223720892UActive Publication Date: 2025-12-26LIAONING RAILWAY VOCATIONAL & TECHN COLLEGE
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Patent Information

Application Number
CN202520433048.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2025-12-26
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing railway vehicle coupler unlocking device requires personnel to get off the vehicle to operate, which makes it inconvenient to separate the coupler and wastes manpower.

Method used

Design an unlocking device comprising a limit ring, a connecting plate, a screw, and a motor. The motor drives the screw to rotate, which controls the connecting plate to rise, thereby releasing the locking rod from the limit and achieving automatic separation of the coupler. A baffle seals the device to prevent impurities from entering the limit housing.

Benefits of technology

It enables automatic separation of the coupler, reduces manpower requirements, prevents impurities from affecting the operation of the motor and screw, and improves operating efficiency and device durability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a railway vehicle coupler unlocking device which comprises a first coupler, a second coupler is arranged on one side of the first coupler, a locking rod is arranged on the first coupler, the outer side of the locking rod is connected with a limiting ring in a sliding mode, and the limiting ring is in contact with the first coupler. The limiting ring controls the height of the locking rod, when the two car couplers need to be separated, the motor of the corresponding compartment is started, the motor drives the screw to rotate, the screw and the connecting plate make threaded motion, the connecting plate is controlled to ascend, the connecting plate drives the locking rod to ascend through the limiting ring, the locking rod relieves limiting of the car couplers, and the car couplers are separated. And when the connecting plate ascends and descends, the baffle is driven to ascend and descend, and when the connecting plate descends to the lowest position, the baffle seals the limiting shell, so that the situation that impurities fall into the limiting shell in the running process of a vehicle, and operation of a motor and a screw rod is affected is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of unlocking device, specifically is a railway vehicle coupler's unlocking device. BACKGROUND

[0002] Railway vehicle coupler unlocking device is an important safety equipment, is used for unlocking coupler under certain conditions, ensures the smooth operation and safety of railway vehicle. Coupler unlocking device is a mechanical device, is used for unlocking the coupler of railway vehicle when necessary. Its main role is to ensure that the vehicle can unlock the coupler quickly when collision or other emergency occurs, avoid further collision or damage between vehicles. The working principle of coupler unlocking device is usually based on mechanical force or electronic control. In some cases, when the vehicle is subjected to excessive impact force, the device will automatically sense and trigger the unlocking mechanism, so that the coupler is quickly unlocked. In other cases, the operator can unlock the coupler by manual operation.

[0003] The prior art provides a railway vehicle coupler unlocking device and a railway vehicle (publication number: CN101774387A), wherein the railway vehicle coupler unlocking device comprises a lifting rod frame arranged on a first coupler lifting rod seat, a first coupler lifting rod, a second coupler lifting rod and a locking lifting rod for unlocking the coupler. The upper side crossbar of the lifting rod frame is fixedly arranged in the first coupler lifting rod seat and is the rotation shaft of the lifting rod frame, the first coupler lifting rod and the second coupler lifting rod are respectively connected with the left and right vertical rods of the lifting rod frame, and the locking lifting rod is connected with the lower side crossbar of the lifting rod frame. The present application also provides a railway vehicle comprising a coupler and the above-mentioned railway vehicle coupler unlocking device.

[0004] However, the device still has the following defects:

[0005] When the device is used, the Jan type coupler is used to connect two carriages. The Jan type coupler has self-locking property, which facilitates the automatic connection of the two carriages. However, when separating the two couplers, personnel need to get off the vehicle to operate, and after separation, the two carriages need to be separated. Therefore, generally two personnel need to operate the couplers at the same time, and personnel need to get off the vehicle to operate, which is troublesome and wastes manpower. Therefore, we need to provide a railway vehicle coupler unlocking device. CONTENT OF THE UTILITY MODEL

[0006] The utility model discloses a purpose at providing a railway vehicle car coupler's unlocking device, the height of locking lever is controlled to limit ring, when needing to separate two car couplers, the motor of corresponding car is opened, and the motor drives screw rod to rotate, and screw rod and connecting plate between the screw motion of thread, control connecting plate and go up, and connecting plate drives locking lever and go up through limit ring, make locking lever cancel the spacing of car coupler, and the separation of two car couplers is convenient, when connecting plate goes down to the lowest, the sealing of limit shell is carried out to baffle, prevent the impurity from falling to the inside of limit shell in the running process of vehicle, influence motor and the operation of screw rod, to solve the problem of above -mentioned background art.

[0007] To realize above -mentioned purpose, the utility model provides the following technical scheme:

[0008] A railway vehicle car coupler's unlocking device, including first car coupler, the first car coupler one side is provided with second car coupler, be provided with locking lever on the first car coupler, the outside sliding connection of locking lever is limited to ring, and the limit ring is contacted with the first car coupler, and the limit ring is contacted with the first car coupler, and the lateral wall of limit ring is fixedly connected with connecting plate, and the connecting plate is contacted with the first car coupler, and the outside sliding connection of connecting plate is limited to shell, and the limit shell is contacted with the first car coupler, and the inside rotation of limit shell is connected with screw rod, and the screw rod is connected with connecting plate thread, and the upper end of screw rod is fixedly connected with motor and penetrates limit shell, and the motor is fixedly connected with limit shell.

[0009] Preferably, the lateral wall of the limit shell is slidably connected with a baffle, and the baffle is fixedly connected with the connecting plate.

[0010] Preferably, the upper end of the first car coupler is fixedly connected with two symmetrical fixed shells, and the two fixed shells are slidably connected with the limit shell.

[0011] Preferably, the inside of the two fixed shells is slidably connected with two moving rods, and the outside of the two moving rods is sleeved with a spring.

[0012] Preferably, one end of the two moving rods is fixedly connected with a limiting disc, and the two limiting discs are slidably connected with the two fixed shells, respectively.

[0013] Preferably, the inside of the two limiting discs is provided with two symmetrical limiting holes, the inside of the plurality of limiting holes is slidably connected with a damping rod, and the plurality of damping rods is fixedly connected with the limit shell.

[0014] Preferably, the inside of the two fixed shells is provided with two symmetrical sliding grooves, and the plurality of sliding grooves is slidably connected with the plurality of damping rods.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a limiting ring is set, and the limiting ring controls the height of locking rod, when needing separating two couplings, the motor of corresponding car is opened, and the motor drives screw rod to rotate, and screw rod and connecting plate between the screw motion of thread, control connecting plate and go up, and connecting plate drives locking rod and go up through the limiting ring, make locking rod cancel the spacing of coupling, and the separation of two couplings is convenient, when connecting plate is going up, drive baffle and go up, when connecting plate falls to the lowest, and the baffle is sealed to the spacing shell, prevents the impurity from falling to the inside of spacing shell in the running process of vehicle, and the operation of motor and screw rod is affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2 It is the local structure schematic drawing of the utility model;

[0019] Figure 3 It is the inside mechanism schematic drawing of the spacing shell of the utility model;

[0020] Figure 4 It is the inside structure schematic drawing of the fixed shell of the utility model.

[0021] In the drawing: 1, first coupling;2, second coupling;3, locking rod;4, limiting ring;5, connecting plate;6, spacing shell;7, screw rod;8, motor;9, baffle;10, fixed shell;11, moving rod;12, spring;13, limiting disc;14, damping rod;15, spacing hole;16, sliding slot. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] The utility model provides an unlocking device of railway vehicle coupler, including first coupler 1, one side of first coupler 1 is provided with second coupler 2, be provided with locking lever 3 on first coupler 1, the outside of locking lever 3 is slidably connected with limit ring 4, limit ring 4 is in contact with first coupler 1, limit ring 4 is in contact with first coupler 1, the lateral wall of limit ring 4 is fixedly connected with connecting plate 5, and connecting plate 5 is in contact with first coupler 1, the outside of connecting plate 5 is slidably connected with limit shell 6, and limit shell 6 is in contact with first coupler 1, the inside rotationally connected with screw 7 of limit shell 6, and screw 7 is in threaded connection with connecting plate 5, and the upper end of screw 7 is fixedly connected with motor 8 penetrating limit shell 6, and motor 8 is fixedly connected with limit shell 6.

[0025] Exemplarily, limit ring 4 controls the height of locking lever 3, when needing to separate two couplers, the motor 8 of the corresponding compartment is started, the screw 7 is rotated under the driving of the motor 8, the threaded motion between the screw 7 and the connecting plate 5 is generated, the connecting plate 5 is controlled to rise, the locking lever 3 is driven to rise by the connecting plate 5 through the limit ring 4, so that the locking lever 3 is released from the limiting of the coupler, and the separation of the two couplers is facilitated.

[0026] The side wall of limit shell 6 is slidably connected with baffle 9, and the baffle 9 is fixedly connected with the connecting plate 5.

[0027] Exemplarily, when the connecting plate 5 rises and falls, the baffle 9 is driven to rise and fall, when the connecting plate 5 falls to the lowest, the baffle 9 seals the limit shell 6, so that impurities are prevented from falling into the inside of the limit shell 6 during the running of the vehicle, and the running of the motor 8 and the screw 7 is influenced.

[0028] The upper end of first coupler 1 is fixedly connected with two fixed shells 10 distributed symmetrically, the two fixed shells 10 are slidably connected with the limit shell 6, the inside of the two fixed shells 10 is slidably connected with the moving rod 11, the outside of the two moving rods 11 is sleeved with the spring 12, one end of the two moving rods 11 is fixedly connected with the limit disc 13, the two limit discs 13 are slidably connected with the two fixed shells 10 respectively, the inside of the two limit discs 13 is provided with two limit holes 15 distributed symmetrically, the inside of the plurality of limit holes 15 is slidably connected with the damping rod 14, and the plurality of damping rods 14 are fixedly connected with the limit shell 6, the inside of the two fixed shells 10 is provided with two sliding grooves 16 distributed symmetrically, and the plurality of sliding grooves 16 are slidably connected with the plurality of damping rods 14 respectively.

[0029] Exemplarily, the moving rod 11 is drawn out, the moving rod 11 drives the limiting disc 13 to move, the limiting shell 6 is installed in the two fixed shells 10, the damping rod 14 is aligned with the sliding groove 16, the sliding groove 16 guides the damping rod 14, the limiting shell 6 is installed, when the limiting shell 6 is installed to the bottom, the moving rod 11 is loosened, under the elastic force of the spring 12, the limiting disc 13 is driven to move to the limiting shell 6, the damping rod 14 is inserted into the limiting hole 15, the limiting disc 13 limits the damping rod 14, and then the limiting shell 6 is limited.

[0030] Working principle: when the utility model is used, the limiting ring 4 controls the height of the locking rod 3, when two car couplings need to be separated, the motor 8 of the corresponding carriage is started, the motor 8 drives the screw rod 7 to rotate, screw thread movement occurs between the screw rod 7 and the connecting plate 5, the connecting plate 5 is controlled to rise, the connecting plate 5 drives the locking rod 3 to rise through the limiting ring 4, the locking rod 3 is released from the limiting of the car coupling, the separation of the two car couplings is facilitated, when the connecting plate 5 rises and falls, the baffle 9 is driven to rise and fall, when the connecting plate 5 falls to the lowest, the baffle 9 seals the limiting shell 6, prevents impurities from falling into the inside of the limiting shell 6 during the driving of the vehicle, and affects the operation of the motor 8 and the screw rod 7, the comparative document has explained in detail that the lock is the part of unlocking, and the lock can open the two car couplings;

[0031] The moving rod 11 is drawn out, the moving rod 11 drives the limiting disc 13 to move, the limiting shell 6 is installed in the two fixed shells 10, the damping rod 14 is aligned with the sliding groove 16, the sliding groove 16 guides the damping rod 14, the limiting shell 6 is installed, when the limiting shell 6 is installed to the bottom, the moving rod 11 is loosened, under the elastic force of the spring 12, the limiting disc 13 is driven to move to the limiting shell 6, the damping rod 14 is inserted into the limiting hole 15, the limiting disc 13 limits the damping rod 14, and then the limiting shell 6 is limited.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An unlocking device of a railway vehicle coupler comprising a first coupler (1), characterized in that: The first car hook (1) is provided with a second car hook (2) on one side, the first car hook (1) is provided with a locking rod (3), the outer side of the locking rod (3) is slidably connected with a limiting ring (4), the limiting ring (4) is in contact with the first car hook (1), the limiting ring (4) is in contact with the first car hook (1), the side wall of the limiting ring (4) is fixedly connected with a connecting plate (5), the connecting plate (5) is in contact with the first car hook (1), the outer side of the connecting plate (5) is slidably connected with a limiting shell (6), the limiting shell (6) is in contact with the first car hook (1), the inside of the limiting shell (6) is rotatably connected with a screw rod (7), the screw rod (7) is threadedly connected with the connecting plate (5), the upper end of the screw rod (7) penetrates through the limiting shell (6) and is fixedly connected with a motor (8), the motor (8) is fixedly connected with the limiting shell (6).

2. An unlocking device for a railway vehicle coupler according to claim 1, characterized in that: The side wall of the limiting shell (6) is slidably connected with a baffle (9), and the baffle (9) is fixedly connected with the connecting plate (5).

3. An unlocking device for a railway vehicle coupler according to claim 1, characterized in that: The upper end of the first car hook (1) is fixedly connected with two symmetrical fixed shells (10), and the two fixed shells (10) are slidably connected with the limiting shell (6).

4. An unlocking device for a railway vehicle coupler according to claim 3, characterized in that: The inside of the two fixed shells (10) is slidably connected with a moving rod (11), and the outer side of the two moving rods (11) is sleeved with a spring (12).

5. An unlocking device for a railway vehicle coupler according to claim 4, characterized in that: One end of the two moving rods (11) is fixedly connected with a limiting disc (13), and the two limiting discs (13) are slidably connected with the two fixed shells (10) respectively.

6. An unlocking device for a railway vehicle coupler according to claim 5, characterized in that: The inside of the two limiting discs (13) is provided with two symmetrical limiting holes (15), and the inside of the plurality of limiting holes (15) is slidably connected with a damping rod (14), and the plurality of damping rods (14) are fixedly connected with the limiting shell (6).

7. An uncoupling device for a railway vehicle coupler according to claim 5, characterized in that: The inside of the two fixed shells (10) is provided with two symmetrical sliding grooves (16), and the plurality of sliding grooves (16) are slidably connected with the plurality of damping rods (14).

Citation Information

Patent Citations

  • Unlocking device of coupler of railway car and railway car

    CN101774387A