Speed reducer for freight rail train
By designing a speed reducer that combines a threaded sleeve and a threaded feed rod, and connects a mounting groove and a mounting block, the problems of high friction, high wear, and frequent maintenance of existing speed reducers for freight rail trains have been solved, achieving high flexibility and low maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2026-04-10
AI Technical Summary
Existing speed reducers for freight rail trains experience high friction during use, resulting in significant wear and tear and requiring frequent replacement of damping devices, leading to high maintenance costs.
A speed reducer including a mounting component and a speed reduction component was designed. The position of the speed reduction component can be easily adjusted through the cooperation of the threaded sleeve and the threaded feed rod, and the damping plate can be quickly replaced through the connection of the mounting groove and the mounting block.
It improves the flexibility of the speed reducer and the ease of replacing the damping plates, reduces maintenance costs, and enhances practicality.
Smart Images

Figure CN224104085U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to speed reducer technology field, concretely is a freight railway train speed reducer. BACKGROUND
[0002] At present, train delay formula speed damper only is relied on the expansion of buffer liquid, installs it in the both sides of track, when train wheel passes, will carry out compression to it, thereby realizes damping effect, but, its function is single, and the damping effect is poor.
[0003] But the existing freight railway train speed reducer has some insufficient in the process of using, such as when the train is speeded down, will produce huge friction, leads to great loss, needs to change damping device frequently, for this, we propose a new freight railway train speed reducer. SUMMARY
[0004] This section is intended to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the problems existing in the prior art, the utility model is proposed.
[0006] Therefore, the utility model aims at providing a freight railway train speed reducer, which is convenient to replace the damping sheet in the process of use, reduces the maintenance cost, has high flexibility and strong practicability.
[0007] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:
[0008] A freight railway train speed reducer, comprising:
[0009] The mounting assembly comprises a mounting seat, mounting plates arranged at four corners of the mounting seat, threaded sleeves arranged at both sides of the mounting seat, threaded feed rods arranged in inner cavities of the threaded sleeves, hand wheels arranged at one end of the threaded feed rods;
[0010] The speed reduction assembly comprises a movable plate arranged at the other end of the threaded feed rod, elastic members arranged at the opposite side of the movable plate, clamping plates arranged at one side of the elastic members, mounting grooves arranged on the surface of the clamping plates, damping sheets arranged at one side of the clamping plates, mounting blocks arranged at one side of the damping sheets, and the damping sheets are connected with the clamping plates through the mounting blocks and the mounting grooves.
[0011] As a preferred scheme of the speed reducer for the freight railway train, the installation plate is provided with the matched installation bolt and installation screw hole.
[0012] As a preferred scheme of the speed reducer for the freight railway train, the surface of the hand wheel is provided with the rotating handle, and the surface of the rotating handle is provided with the anti-skid sleeve.
[0013] As a preferred scheme of the speed reducer for the freight railway train, the other end of the threaded feed rod is provided with the rotating sleeve, and the rotating sleeve is connected with the movable plate.
[0014] As a preferred scheme of the speed reducer for the freight railway train, the elastic member comprises the damper and the reset spring, and the reset spring is arranged on the surface of the damper.
[0015] As a preferred scheme of the speed reducer for the freight railway train, the two sides of the clamping plate are provided with the guide block.
[0016] As a preferred scheme of the speed reducer for the freight railway train, the cross section of the installation groove and the installation block is T-shaped.
[0017] Compared with the prior art, the speed reducer for the freight railway train has the following beneficial effects:
[0018] 1. The threaded sleeve is arranged on the two sides of the installation seat, the threaded feed rod is arranged in the inner cavity of the threaded sleeve, the threaded feed rod is rotated by the hand wheel, the position of the speed reduction assembly is conveniently adjusted, and the flexibility is high.
[0019] 2. In addition, the damping sheet is connected with the clamping plate through the installation groove and the installation block, the damping sheet is conveniently replaced when the damping sheet is worn, and the maintenance cost is reduced. DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. Among them:
[0021] Fig. 1 It is a structural schematic diagram of the present application;
[0022] Fig. 2 It is a structural schematic diagram of the installation assembly of the present application;
[0023] Fig. 3The speed reducer assembly structural schematic diagram of the utility model.
[0024] In the figure, 100 is an installation assembly, 110 is a mounting seat, 120 is an installation plate, 130 is a threaded sleeve, 140 is a threaded feed rod, 150 is a hand wheel, 200 is a speed reducer assembly, 210 is a movable plate, 220 is an elastic piece, 230 is a clamping plate, 240 is an installation groove, 250 is a damping sheet, and 260 is an installation block. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.
[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.
[0027] Secondly, the utility model is described in detail in combination with the schematic diagram, and when the embodiments of the utility model are described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.
[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.
[0029] The utility model provides the following technical scheme: a speed reducer for freight railway train, in the process of using, it is convenient to replace the damping sheet, reduces the maintenance cost, high flexibility, strong practicality;
[0030] Figs. 1-3 The structure schematic diagram of one embodiment of the utility model is shown, the main part includes installation assembly 100 and speed reducer assembly 200;
[0031] The mounting assembly 100 comprises a mounting base 110, mounting plates 120 mounted at four corners of the mounting base 110, threaded sleeves 130 mounted at two sides of the mounting base 110, threaded feed rods 140 mounted in inner cavities of the threaded sleeves 130, hand wheels 150 mounted at one end of the threaded feed rods 140, mounting bolts and mounting screw holes mounted on the mounting plates 120, rotary handles mounted on surfaces of the hand wheels 150, anti-skid sleeves bonded to surfaces of the rotary handles, rotary sleeves mounted at the other end of the threaded feed rods 140, and movable plates 210 connected with the rotary sleeves, further, the mounting base 110 is used for bearing the threaded sleeves 130 and other components, the mounting plates 120 are used for fixing the mounting base 110 beside a track, the threaded sleeves 130 are used for bearing the threaded feed rods 140, the threaded feed rods 140 are used for adjusting positions of a speed reduction assembly 200, and the hand wheels 150 are used for conveniently rotating the threaded feed rods 140.
[0032] The speed reduction assembly 200 comprises the movable plates 210 mounted at the other end of the threaded feed rods 140, elastic members 220 mounted at opposite sides of the movable plates 210, clamping plates 230 mounted at one side of the elastic members 220, mounting grooves 240 mounted on surfaces of the clamping plates 230, damping sheets 250 mounted at one side of the clamping plates 230, mounting blocks 260 mounted at one side of the damping sheets 250, and the damping sheets 250 are connected with the clamping plates 230 through the mounting blocks 260 and the mounting grooves 240, the elastic members 220 comprise dampers and return springs, the return springs are sleeved on surfaces of the dampers, guide blocks are mounted at two sides of the clamping plates 230, cross sections of the mounting grooves 240 and the mounting blocks 260 are T-shaped, further, the movable plates 210 are used for bearing the elastic members 220, the elastic members 220 are used for improving impact resistance, the clamping plates 230 are used for bearing the damping sheets 250, the damping sheets 250 are used for contacting with wheels to realize friction speed reduction, and the mounting blocks 260 and the mounting grooves 240 are used for quickly replacing the damping sheets 250.
[0033] In combination Figs. 1-3 , the speed reducer for a freight rail train has the following specific principle: the threaded sleeves 130 are arranged at two sides of the mounting base 110, the threaded feed rods 140 are arranged in inner cavities of the threaded sleeves 130, the threaded feed rods 140 are rotated through the hand wheels 150, positions of the speed reduction assembly 200 are conveniently adjusted, and flexibility is high; in addition, the damping sheets 250 are connected with the clamping plates 230 through the mounting grooves 240 and the mounting blocks 260, the damping sheets 250 are quickly replaced when the damping sheets 250 are worn, and maintenance cost is reduced.
[0034] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A speed reducer for a freight railway train, characterized by, Include: The mounting assembly (100) comprises a mounting seat (110), mounting plates (120) arranged at four corners of the mounting seat (110), threaded sleeves (130) arranged on both sides of the mounting seat (110), threaded feed rods (140) arranged in the inner cavities of the threaded sleeves (130), hand wheels (150) arranged at one end of the threaded feed rods (140); The speed reduction assembly (200) comprises a movable plate (210) arranged at the other end of the threaded feed rod (140), elastic members (220) arranged on the opposite side of the movable plate (210), clamping plates (230) arranged on one side of the elastic members (220), mounting grooves (240) arranged on the surface of the clamping plates (230), damping sheets (250) arranged on one side of the clamping plates (230), and mounting blocks (260) arranged on one side of the damping sheets (250), and the damping sheets (250) are connected with the clamping plates (230) through the mounting blocks (260) and the mounting grooves (240).
2. A speed reducer for a freight railway train according to claim 1, characterized in that: The mounting plates (120) are provided with matching mounting bolts and mounting screw holes.
3. The speed reducer for freight rail cars according to claim 1, characterized in that: The surface of the hand wheel (150) is provided with a rotating handle, and the surface of the rotating handle is provided with an anti-skid sleeve.
4. The speed reducer for a freight railway train according to claim 1, characterized in that: The other end of the threaded feed rod (140) is provided with a rotating sleeve, and the rotating sleeve is connected with the movable plate (210).
5. The speed reducer for a freight railway train according to claim 1, characterized in that: The elastic member (220) comprises a damper and a return spring, and the return spring is arranged on the surface of the damper.
6. The speed reducer for a freight railway train according to claim 1, characterized in that: The clamping plates (230) are provided with guide blocks on both sides.
7. The speed reducer for a freight railway train according to claim 1, characterized in that: The cross sections of the mounting grooves (240) and the mounting blocks (260) are T-shaped.