Spiral sand adding device for motor train unit
The design of the spiral sand-adding device for the EMU solves the problems of high risk and sand jamming during manual sand adding, realizing an automated, safe and efficient sand adding process and ensuring the smooth operation of the train.
Patent Information
- Application Number
- CN202520132566.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing high-speed trains face significant risks during sand addition in rainy weather, with manual sand addition posing a risk and sand easily getting stuck in the sand spreading system.
A spiral sand-adding device for high-speed trains was designed, comprising a trolley, a crushing box, and a sand-adding device. It uses crushing rollers and shuffling plates to repeatedly crush sand and gravel, and automatically adds sand by pushing a spiral, thus preventing large sand and gravel particles from entering the sand-spreading system.
It improves sand feeding efficiency, avoids sand spillage and jamming, ensures that fine sand particles enter the sand spreading system, and ensures smooth train operation.
Smart Images

Figure CN223631570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a motor train unit technical field, especially a motor train unit spiral sand adding device. BACKGROUND
[0002] The motor train unit is also called "motor train unit train", a new traffic term in China, a type of modern train, composed of a plurality of powered vehicles (motor cars) and non-powered vehicles (trailers), and the train runs in a fixed formation mode within the normal service life.
[0003] The motor train unit train wheelset may produce idling and skidding under the influence of rainy days, which not only causes wear of the wheelset and the rail, but also affects the stable operation of the train, so the motor train unit train sanding system sprays dry quartz sand through air flow to improve the wheel-rail adhesion, and the following problems exist in the current sand adding process: 1. When manually adding sand, two people need to lift to add sand due to the high sand adding point of the motor train unit, thereby causing the risk of sand falling; 2. If the sand body is too large, the motor train sanding system may be easily stuck; in view of the above problems, a motor train unit spiral sand adding device is provided. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a motor train unit spiral sand adding device.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:
[0006] The utility model discloses a motor train unit spiral sand adding device, which comprises a cart, a handrail is arranged on one side of the cart, a supporting frame is arranged on the top surface of the cart, a sand adding device is arranged at the top of the supporting frame, a supporting leg is arranged at the top of the cart, a crushing box is arranged at the top of the supporting leg, a discharge port is arranged at the bottom of the crushing box, a crushing device is arranged in the crushing box, and a feeding port is arranged at the top of the crushing box.
[0007] As a preferred technical scheme of the utility model, the discharge port is provided with an electric valve.
[0008] As a preferred technical scheme of the utility model, the crushing device comprises a first motor, an output end of the first motor is provided with a rotating shaft, both sides of the inside bottom end of the rotating shaft are provided with horizontal plates, one side of the horizontal plate is provided with a crushing roller, a fixed plate is fixedly arranged on the surface of the rotating shaft, one side of the fixed plate is provided with a vertical plate, one side of the vertical plate is provided with a disordering plate, and a circular hole is arranged on the surface of the disordering plate.
[0009] As a preferred technical scheme of the utility model, the sand adding device comprises a shell and a second motor, one side top end of the shell is equipped with a connecting port, the connecting port is connected with a discharge port, the other side bottom end of the shell is equipped with a discharge port, and the output end of the second motor is equipped with a pushing spiral.
[0010] Compared with the prior art, the utility model has the beneficial effects as follows:
[0011] 1、The utility model discloses a crushing mechanism can repeatedly crush sand under the action of the disordering plate and the crushing roller, avoid the large particle sandstone into the sanding system of motor train unit, cause the internal nozzle to be stuck, improve sandstone use rate.
[0012] 2、The utility model discloses a whole movable, and is equipped with sand adding device, therefore can carry out movable automatic sand adding, compares with traditional manual sand adding, improves sand adding efficiency, and also avoids the phenomenon that manual lifting sand adding leads to sand body spilling. DRAWINGS
[0013] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.In the drawings:
[0014] Fig. 1 It is the whole structure schematic view of the utility model;
[0015] Fig. 2 It is the crushing device structure schematic view of the utility model;
[0016] Fig. 3 It is the sand adding device structure schematic view of the utility model;
[0017] In the drawing: 1, cart;2, handrail;3, support frame;4, sand adding device;5, support leg;6, pushing spiral;7, crushing box;8, discharge port;9, crushing device;10, feed port;11, electric valve;12, first motor;13, shaft;14, cross plate;15, crushing roller;16, fixed plate;17, vertical plate;18, disordering plate;19, round hole;20, shell;21, second motor;22, connecting port;23, discharge port. CONCRETE IMPLEMENTATION
[0018] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0019] Wherein the same reference numerals in the drawings all refer to the same parts.
[0020] Embodiment 1
[0021] As Figs. 1-3 shown, the utility model provides a spiral sand adding device of motor train unit, including shallow 1, its characterized in be equipped with handrail 2 on one side of shallow 1, the top surface of shallow 1 is equipped with support frame 3, the top of support frame 3 is equipped with sand adding device 4, the top of shallow 1 is equipped with support leg 5, the top of support leg 5 is equipped with grinding box 7, the bottom of grinding box 7 is equipped with discharge gate 8, the inside of grinding box 7 is equipped with grinding device 9, the top of grinding box 7 is equipped with feed inlet 10.
[0022] Further, discharge gate 8 is equipped with electric valve 11.
[0023] Grinding device 9 includes first motor 12, the output of first motor 12 is equipped with rotating shaft 13, the inside bottom of rotating shaft 13 both sides is equipped with horizontal plate 14, one side of horizontal plate 14 is equipped with grinding roller 15, the surface of rotating shaft 13 is fixedly equipped with fixed plate 16, one side of fixed plate 16 is equipped with vertical plate 17, one side of vertical plate 17 is equipped with disordering plate 18, the surface of disordering plate 18 is equipped with round hole 19.
[0024] Sand adding device 4 includes shell 20 and second motor 21, one side top of shell 20 is equipped with connecting port 22, connecting port 22 is connected with discharge gate 8, the other side bottom of shell 20 is equipped with discharge port 23, the output of second motor 21 is equipped with push spiral 6.
[0025] Specifically, shallow 1 can facilitate the rotation point of the device, improve the flexibility of the device, handrail 2 facilitates the manual control of the operator direction, support frame 3 improves the stability of the device, support leg 5 improves the stability of the device, push spiral 6 can send the sand from connecting port 22 to discharge port 23, feed inlet 10 facilitates the pouring of quartz sand into the grinding box, electric valve 11 controls the opening and closing of discharge gate 8, first motor 12 can drive the rotation of rotating shaft, rotating shaft 13 bears up and down to drive the rotation of grinding roller 15 and disordering plate 18, horizontal plate 14 plays a connecting role, grinding roller 15 grinds large pieces of quartz sand to avoid large pieces of quartz sand from blocking the sanding system of the motor train, disordering plate 18 and round hole 19 can disorder the quartz sand ground by grinding roller 15, so that repeated grinding can be realized, second motor 21 drives the rotation of push spiral 6,
[0026] Use mode: pour the quartz sand from the feeding port 10, then drive the first motor 12, the motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the disturbing plate 18 and the crushing roller 15 to rotate, the crushing roller 15 can crush the quartz sand, the disturbing plate 18 and the round hole 19 can disturb the quartz sand to repeatedly crush, ensure that the quartz sand is crushed into powder; when it is needed to add sand to the motor train unit, only need to push the device to the sand adding point through the handrail, drive the second motor 21 and the electric valve 11, the crushed quartz sand in the crushing box 7 is sent to the pushing screw 6 through the connecting port 22 from the discharging port 10, then is sent to the discharging port 23 by the pushing screw 6, the discharging port 23 is connected with the quartz sand storage box of the motor train unit through the hose, thereby the delivery of the device is completed, in the process, the fine particles of the quartz sand are ensured, the big block is avoided to be stuck in the sand scattering system, meanwhile, the device is convenient to move and operate, the sand adding efficiency is improved.
[0027] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A spiral sand-adding device for high-speed trains, comprising a trolley (1), characterized in that, The trolley (1) has a handrail (2) on one side, a support frame (3) on the top surface of the trolley (1), a sand-adding device (4) on the top of the support frame (3), a support leg (5) on the top of the trolley (1), a crushing box (7) on the top of the support leg (5), a discharge port (8) at the bottom of the crushing box (7), a crushing device (9) inside the crushing box (7), and a feed inlet (10) at the top of the crushing box (7).
2. The spiral sand-adding device for high-speed trains according to claim 1, characterized in that, The discharge port (8) is equipped with an electric valve (11).
3. The spiral sand-adding device for high-speed trains according to claim 1, characterized in that, The crushing device (9) includes a first motor (12), the output end of the first motor (12) is provided with a rotating shaft (13), the inner bottom end of the rotating shaft (13) is provided with horizontal plates (14) on both sides, a crushing roller (15) is provided on one side of the horizontal plate (14), a fixing plate (16) is fixedly provided on the surface of the rotating shaft (13), a vertical plate (17) is provided on one side of the fixing plate (16), a scrambling plate (18) is provided on one side of the vertical plate (17), and a round hole (19) is provided on the surface of the scrambling plate (18).
4. The spiral sand-adding device for high-speed trains according to claim 1, characterized in that, The sand adding device (4) includes a housing (20) and a second motor (21). The top of one side of the housing (20) is provided with a connection port (22), which is connected to the discharge port (8). The bottom of the other side of the housing (20) is provided with a discharge port (23). The output end of the second motor (21) is provided with a pushing screw (6).