Railway track grinding device
By designing four grinding wheels on the railway track grinding device to contact and rotate with the side of the rail, and using a motor-driven transmission system, the problem of existing devices being unable to clean dirt from the side of the rail is solved, achieving a fast and effective cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAN HAISIBEIDE RAIL TRANSIT TECHNOLOGY CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-16
AI Technical Summary
Existing railway track grinding equipment cannot effectively clean rust and other dirt from the sides of the rails, which can lead to irreversible damage over time.
A railway track grinding device was designed, which uses four grinding wheels distributed on the sides of two rails. The grinding wheels travel on the rails via track wheels on the frame. The device uses a motor to drive a sprocket, chain and gear transmission system to make the grinding wheels contact the sides of the rails and rotate for grinding.
It enables rapid cleaning of the sides of rails, removing rust and other contaminants, and protecting the health of the rails.
Smart Images

Figure CN224363150U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of railway maintenance equipment, specifically a railway track grinding device. Background Technology
[0002] Railway track grinding is an important part of railway maintenance, used to correct rail head profile and eliminate or mitigate defects such as rolling contact fatigue cracks, corrugated wear, and abrasions. In the existing technology, railway track grinding devices can be used to grind railway tracks, but most of them grind the part of the rail that contacts the locomotive wheel. Since the side of the rail cannot contact the locomotive wheel, this part is more likely to accumulate rust and other dirt, which can cause irreversible damage to the rail in the long run. Therefore, this application proposes a railway track grinding device to solve the above problems. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] In view of the shortcomings of the prior art, this utility model provides a railway track grinding device, which solves the technical problems mentioned in the background.
[0005] (II) Technical Solution
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a railway track grinding device, comprising a frame, with track wheels installed on both sides of the frame, a handrail installed on the frame, two drive shafts installed on each side of the frame, grinding wheels connected to the bottom ends of the four drive shafts via adjustable connecting parts, the sides of the grinding wheels being adapted to the sides of the rails, sprockets installed on the top sides of the four drive shafts, and the four sprockets being connected by chain drive, a driven gear installed at the top of one of the drive shafts, the driven gear meshing with a transmission gear, and the transmission gear being installed on the output shaft of a motor.
[0007] Preferably, the four grinding wheels are distributed on both sides of the two steel rails.
[0008] Preferably, the connector includes a positioning shell, the top of which is connected to the drive shaft, a rotating shaft is provided inside the positioning shell, a positioning shaft is provided at the top of the rotating shaft, and both ends of the positioning shaft are connected to the positioning grooves on the positioning shell. Bolts are installed on the outside of the positioning shell, a locking groove is provided in the middle of the rotating shaft, and the bottom end of the rotating shaft is connected to the grinding wheel.
[0009] Preferably, the upper side of the frame is provided with a detachable protective shell, and the protective shell has two operating slots, which correspond to two grinding wheels on the inner side of the two steel rails.
[0010] Preferably, the diameter of the transmission gear is twice or more the diameter of the driven gear.
[0011] Preferably, an electrical control box is installed on the bottom side of the frame to control the motor, and a storage battery is installed inside the electrical control box.
[0012] (III) Beneficial Effects
[0013] The beneficial effects of this utility model are as follows:
[0014] This type of railway track grinding device has four grinding wheels distributed on the sides of the two rails. The grinding wheels are adapted to the sides of the rails. When the frame moves on the rails via the track wheels, it can grind the sides of the two rails, achieving rapid grinding and cleaning of rust and other dirt accumulated on the sides of the rails. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a three-dimensional structural diagram of the protective shell of this utility model in the open state;
[0017] Figure 3 This is a side view of the three-dimensional structure of the present invention;
[0018] Figure 4 This is a three-dimensional structural diagram of the connector of this utility model in its upright, rotating and swinging states.
[0019] In the diagram: 1. Frame, 101. Protective shell, 2. Track wheel, 3. Handrail, 4. Drive shaft, 5. Connector, 51. Positioning shell, 52. Rotary shaft, 53. Positioning shaft, 54. Bolt, 55. Locking groove, 6. Grinding wheel, 7. Sprocket, 8. Chain, 9. Driven gear, 10. Transmission gear, 11. Motor, 12. Electrical control box. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figure 1-4As shown, this utility model provides a technical solution: a railway track grinding device, including a frame 1, a detachable protective shell 101 on the upper side of the frame 1, and two operating slots on the protective shell 101, which correspond to two grinding wheels 6 on the inner side of two rails. Rail wheels 2 are installed on both sides of the frame 1, a handrail 3 is installed on the frame 1, and two drive shafts 4 are installed on each side of the frame 1. The bottom ends of the four drive shafts 4 are connected to the grinding wheels 6 via adjustable connecting parts 5. The connecting parts 5 allow for... Rotate the grinding wheel 6 to one side to ensure the grinding device can be mounted on the rail. Then rotate it back to its original position so that the grinding wheel 6 contacts the side of the rail. Mount the track wheels 2 on both sides of the frame 1 onto the two rails. Then, rotate the rotating shaft 52 to a vertical position and lock it with bolts 54 to ensure that the connecting part 5 and the drive shaft 4 are in a vertical straight line. In this way, the grinding wheel 6 can contact the side of the rail. Driven by the motor 11, the sprocket 7, chain 8, driven gear 9, and transmission gear 10 are connected to achieve synchronous rotation of the four grinding wheels 6 on the rail. The side is ground. The connecting part 5 includes a positioning shell 51, the top of which is connected to the drive shaft 4. A rotating shaft 52 is provided inside the positioning shell 51, and a positioning shaft 53 is provided at the top of the rotating shaft 52. The two ends of the positioning shaft 53 are connected to the positioning grooves on the positioning shell 51. Bolts 54 are installed on the outside of the positioning shell 51, and a locking groove 55 is provided in the middle of the rotating shaft 52. The bolts 54 can be connected to the locking groove 55 to fix the positioning shell 51 and the rotating shaft 52. The bottom end of the rotating shaft 52 is connected to the grinding wheel 6, and the side of the grinding wheel 6 is ground. The surface is adapted to the side of the rail. Four grinding wheels 6 are distributed on both sides of the two rails. Sprockets 7 are installed on the top side of the four drive shafts 4, and the four sprockets 7 are connected by a chain 8. A driven gear 9 is installed at the top of one of the drive shafts 4, and the driven gear 9 meshes with a transmission gear 10. The diameter of the transmission gear 10 is twice or more than the diameter of the driven gear 9, and the transmission gear 10 is installed on the output shaft of the motor 11. An electrical control box 12 is installed on the bottom side of the frame 1 to control the start and stop of the motor 11, and a storage battery is installed inside the electrical control box 12.
[0022] The operation steps of this utility model are as follows:
[0023] The track wheels 2 on both sides of the frame 1 are mounted on the two steel rails. Then, the rotating shaft 52 is rotated to the vertical position and locked with bolts 54, so that the connecting piece 5 and the drive shaft 4 are in a vertical straight line. In this way, the grinding wheel 6 can contact the side of the steel rail. Driven by the motor 11, the sprocket 7, chain 8, driven gear 9 and transmission gear 10 are connected to achieve synchronous rotation of the four grinding wheels 6 to grind the side of the steel rail.
[0024] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0025] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A railway track grinding device, comprising a frame (1), characterized in that: The frame (1) is equipped with track wheels (2) on both sides, and a handrail (3) is installed on the frame (1). Two drive shafts (4) are installed on both sides of the frame (1). The bottom ends of the four drive shafts (4) are connected to grinding wheels (6) through adjustable connectors (5). The side of the grinding wheel (6) is adapted to the side of the rail. The top sides of the four drive shafts (4) are equipped with sprockets (7). The four sprockets (7) are connected by a chain (8). The top of one of the drive shafts (4) is equipped with a driven gear (9). The driven gear (9) meshes with a transmission gear (10). The transmission gear (10) is installed on the output shaft of the motor (11).
2. The railway track grinding device according to claim 1, characterized in that: The four grinding wheels (6) are distributed on both sides of the two rails.
3. The railway track grinding device according to claim 1, characterized in that: The connector (5) includes a positioning shell (51), the top of which is connected to the drive shaft (4), and a rotating shaft (52) is provided inside the positioning shell (51). A positioning shaft (53) is provided at the top of the rotating shaft (52), and both ends of the positioning shaft (53) are connected to the positioning groove on the positioning shell (51). Bolts (54) are installed on the outside of the positioning shell (51), and a locking groove (55) is provided in the middle of the rotating shaft (52). The bottom end of the rotating shaft (52) is connected to the grinding wheel (6).
4. The railway track grinding device according to claim 1, characterized in that: The frame (1) is provided with a detachable protective shell (101) on the upper side, and two operating slots are provided on the protective shell (101), and the two operating slots correspond to the two grinding wheels (6) on the inner side of the two rails.
5. The railway track grinding device according to claim 1, characterized in that: The diameter of the transmission gear (10) is twice or more the diameter of the driven gear (9).
6. The railway track grinding device according to claim 1, characterized in that: An electrical control box (12) is installed on the bottom side of the frame (1) to control the motor (11), and a storage battery is installed inside the electrical control box (12).