Connecting device for driving part of traction locomotive
By using polyurethane (PU) elastic rings and pads in the traction locomotive drive connection device, the frequency and durability issues of the shock-absorbing rubber were resolved, achieving higher stability and durability.
Patent Information
- Application Number
- CN202422953690.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The natural frequency of the damping rubber used in the existing traction locomotive drive connection device is difficult to be lower than five hertz, and it is not resistant to high temperature and oil, and is easily corroded and weathered.
Polyurethane (PU) elastic rings are used to replace shock-absorbing rubber, and combined with spring pads and flat pads, to enhance the stability and durability of the connection.
It improves the tensile strength, tear strength, impact resistance, wear resistance and oil resistance of the connecting device, prevents static electricity and loosening, and extends service life.
Smart Images

Figure CN223672507U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of traction locomotive, concretely to a traction locomotive drive part connecting device. BACKGROUND
[0002] Traction locomotive, also known as tractor or trailer, is a mechanical equipment used for traction or towing heavy goods. Traction locomotive usually adopts internal combustion engine, motor and other power devices to provide power, and converts the power into traction force through transmission device, so as to realize the traction or towing of goods.
[0003] Traction locomotive is widely used in industry, transportation, aviation and other fields. The most common application scenarios include ports, warehouses, logistics and airports. They can be used to carry containers, trucks, goods and other heavy and large-sized objects. Traction locomotive has strong power, excellent controllability and stability, making the traction and carrying work efficient, safe and reliable.
[0004] The patent technology of the traction locomotive drive part connecting device improves the damping and buffering capacity of the damping rubber by utilizing the elasticity of the enhanced damping rubber. The plane side of the damping rubber is formed with an annular groove, which is located at the root of the boss to avoid stress concentration at the internal corner and cause the damping rubber to be torn, thereby improving the service life of the damping rubber. The lower end of the connecting bolt is also sleeved with a ring-shaped baffle for providing a bearing platform for the lower damping rubber, and the baffle abuts against the connecting nut. The contact area between the baffle and the corresponding damping rubber is large, which can provide stable support for the damping rubber. However, in the above-mentioned scheme, damping rubber is added at the connection for buffering when connecting the drive connecting seat and the vehicle body connecting seat. However, damping rubber has many drawbacks, such as the natural frequency of damping rubber being almost below five hertz, the natural frequency being difficult to be lower, the stiffness coefficient of the rubber spring itself being the main reason, and the damping rubber not being resistant to high temperature and oil stains, being easy to corrode and weather, etc. Therefore, a traction locomotive drive part connecting device is needed to improve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] In order to solve the problems in the prior art, such as the addition of damping rubber at the connection for buffering when connecting the drive connecting seat and the vehicle body connecting seat, the natural frequency of damping rubber being almost below five hertz, the natural frequency being difficult to be lower, the stiffness coefficient of the rubber spring itself being the main reason, and the damping rubber not being resistant to high temperature and oil stains, being easy to corrode and weather, etc., the utility model aims to provide a traction locomotive drive part connecting device to solve the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A traction locomotive driving part connecting device, including a main body, the inside of the main body is provided with a connecting assembly, the bottom of the connecting assembly is provided with a locking assembly;
[0008] The connecting assembly includes a threaded connecting rod, the bottom of the threaded connecting rod is fixedly connected with a first reinforcing plate, the bottom of the first reinforcing plate is fixedly connected with a first flange plate, and the bottom of the first flange plate is provided with a first polyurethane (PU) elastic ring body.
[0009] The locking assembly includes a spring pad, the bottom of the spring pad is provided with a flat pad, the bottom of the flat pad is provided with a nut, and the threaded connecting rod is in threaded connection with the nut.
[0010] As a preferred scheme of the utility model, the top of the spring pad is provided with a second reinforcing plate, the top of the second reinforcing plate is provided with a second flange plate, the top of the second flange plate is provided with a second polyurethane (PU) elastic ring body, and the threaded connecting rod extends to the inside of the spring pad, the flat pad and the nut.
[0011] As a preferred scheme of the utility model, the top of the threaded connecting rod is provided with a protective sleeve, and the threaded connecting rod extends to the inside of the protective sleeve.
[0012] As a preferred scheme of the utility model, the threaded connecting rod extends to the inside of the second polyurethane (PU) elastic ring body, the second flange plate and the second reinforcing plate.
[0013] As a preferred scheme of the utility model, the main body includes a driving connection base plate, and the side surface of the driving connection base plate is fixedly connected with a driving connection hole seat.
[0014] As a preferred scheme of the utility model, the side surface of the driving connection base plate is provided with a vehicle body connection base plate, and the side surface of the vehicle body connection base plate is fixedly connected with a vehicle body connection hole seat.
[0015] As a preferred scheme of the utility model, the inside of the driving connection base plate and the vehicle body connection base plate is provided with a mounting hole, and a plurality of mounting holes are formed.
[0016] As a preferred scheme of the utility model, the side surface of the driving connection base plate and the vehicle body connection base plate is fixedly connected with a connecting plate, and the connecting plate is provided with two.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] 1.The utility model discloses a first polyurethane PU elastic ring body and a second polyurethane PU elastic ring body are used to replace shock-absorbing rubber, the polyurethane PU elastomer is a new material with good elasticity, small deformation under pressure, between plastic and rubber, rigid as plastic, elastic as rubber, can prevent static electricity generated by friction at the connection, and has good tensile strength, tear strength, impact resistance, wear resistance, weather resistance, hydrolysis resistance, oil resistance and other advantages.
[0019] 2.The utility model discloses a spring pad and a flat pad are installed together at the connection of the threaded connecting rod and the nut, the flat pad can increase the contact area of the screw and the second reinforcing plate, eliminate the damage to the surface of the second reinforcing plate when the screw is removed, the spring pad is between the flat pad and the nut, the spring pad can be used to prevent loosening, the flat pad is below the spring pad, the spring pad is equivalent to a number of springs, when the screw is pressed, the spring pad increases the friction of the screw, and prevents loosening. DRAWINGS
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the explosion structure schematic diagram of the utility model;
[0022] Figure 3 It is the connection assembly structure schematic diagram of the utility model;
[0023] Figure 4 It is the lock assembly structure schematic diagram of the utility model.
[0024] In the drawing: 1, main body;101, drive connection base plate;102, vehicle body connection base plate;103, mounting hole;104, link plate;105, drive connection hole seat;106, vehicle body connection hole seat;2, connection assembly;201, threaded connecting rod;202, protective sleeve;203, first reinforcing plate;204, first flange plate;205, first polyurethane PU elastic ring body;206, second polyurethane PU elastic ring body;207, second flange plate;208, second reinforcing plate;3, lock assembly;301, spring pad;302, flat pad;303, nut. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, apparently, 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 ordinary skill in the art without creative labor belong to the range of the utility model protection.
[0026] Embodiment: please refer toFigures 1-4 The traction locomotive driving part connecting device shown in the embodiment comprises a main body 1, the inside of the main body 1 is provided with a connecting assembly 2, the bottom of the connecting assembly 2 is provided with a locking assembly 3;
[0027] In this embodiment, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the connecting assembly 2 comprises a threaded connecting rod 201, the bottom of the threaded connecting rod 201 is fixedly connected with a first reinforcing plate 203, the bottom of the first reinforcing plate 203 is fixedly connected with a first flange plate 204, the bottom of the first flange plate 204 is provided with a first polyurethane PU elastic ring body 205, the locking assembly 3 comprises an elastic pad 301, the bottom of the elastic pad 301 is provided with a flat pad 302, the bottom of the flat pad 302 is provided with a nut 303, the threaded connecting rod 201 is threadedly connected with the nut 303, the first polyurethane PU elastic ring body 205 and the second polyurethane PU elastic ring body 206 are used to replace the shock-absorbing rubber, the polyurethane PU elastic body is a new type of material with good elasticity, small deformation under pressure, between plastic and rubber, with the rigidity of plastic and the elasticity of rubber, which can prevent static electricity generated by friction at the connecting position, and has the advantages of good tensile strength, tear strength, impact resistance, wear resistance, weather resistance, hydrolysis resistance, oil resistance and the like.
[0028] Among them, the top of the elastic pad 301 is provided with a second reinforcing plate 208, the top of the second reinforcing plate 208 is provided with a second flange plate 207, the top of the second flange plate 207 is provided with a second polyurethane PU elastic ring body 206, the threaded connecting rod 201 extends to the inside of the elastic pad 301, the flat pad 302 and the nut 303, the top of the threaded connecting rod 201 is provided with a protective sleeve 202, the threaded connecting rod 201 extends to the inside of the protective sleeve 202, the threaded connecting rod 201 extends to the inside of the second polyurethane PU elastic ring body 206, the second flange plate 207 and the second reinforcing plate 208, the elastic pad 301 and the flat pad 302 are used together to be installed at the connecting position of the threaded connecting rod 201 and the nut 303, wherein the flat pad 302 can increase the contact area of the screw and the second reinforcing plate 208, eliminate the damage to the surface of the second reinforcing plate 208 when the screw is removed, the elastic pad 301 is between the flat pad 302 and the nut 303, and the elastic pad 301 can be used to prevent loosening, the flat pad 302 is below the elastic pad 301, the elastic pad 301 is equivalent to a number of springs, and when the screw is pressed, the elastic force of the elastic pad 301 increases the friction force of the screw to prevent loosening.
[0029] In this embodiment, referring to Figure 1 and Figure 2As shown, the main body 1 comprises a driving connection base plate 101, the side of the driving connection base plate 101 is fixedly connected with a driving connection hole seat 105, the side of the driving connection base plate 101 is provided with a vehicle body connection base plate 102, the side of the vehicle body connection base plate 102 is fixedly connected with a vehicle body connection hole seat 106, the inside of the driving connection base plate 101 and the vehicle body connection base plate 102 is both provided with a mounting hole 103, the mounting hole 103 is provided with a plurality of, the side of the driving connection base plate 101 and the vehicle body connection base plate 102 is both fixedly connected with an adapter plate 104, the adapter plate 104 is provided with two, the adapter plate 104 can enhance the stability of the driving connection hole seat 105 on the driving connection base plate 101, and the stability of the vehicle body connection hole seat 106 on the vehicle body connection base plate 102.
[0030] In use, when the driving connection base plate 101 and the vehicle body connection base plate 102 are connected, the threaded connecting rod 201 with the first reinforcing plate 203, the first flange plate 204, the first polyurethane PU elastic ring body 205 and the like are passed through the driving connection hole seat 105 and the vehicle body connection hole seat 106, when passing through, the driving connection base plate 101 and the vehicle body connection base plate 102 need to be staggered and overlapped, then the second polyurethane PU elastic ring body 206, the second flange plate 207 and the second reinforcing plate 208 are sleeved at the bottom end of the threaded connecting rod 201, so that the second polyurethane PU elastic ring body 206 is tightly attached to the driving connection hole seat 105, finally the threaded connecting rod 201 is sleeved into the elastic pad 301, the flat pad 302 and the nut 303, and the nut 303 is threadedly connected with the threaded connecting rod 201, so as to be tightly locked and fixed.
[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A device for connecting a drive unit of a locomotive, comprising a main body (1), characterized in that: The inside of the main body (1) is provided with a connecting assembly (2), and the bottom of the connecting assembly (2) is provided with a locking assembly (3); The connecting assembly (2) comprises a threaded connecting rod (201), the bottom of the threaded connecting rod (201) is fixedly connected with a first reinforcing plate (203), the bottom of the first reinforcing plate (203) is fixedly connected with a first flange plate (204), and the bottom of the first flange plate (204) is provided with a first polyurethane (PU) elastic ring body (205); The locking assembly (3) comprises a spring pad (301), the bottom of the spring pad (301) is provided with a flat pad (302), the bottom of the flat pad (302) is provided with a nut (303), and the threaded connecting rod (201) is in threaded connection with the nut (303).
2. A drive unit connection device for a traction vehicle as claimed in claim 1, characterized in that: The top of the spring pad (301) is provided with a second reinforcing plate (208), the top of the second reinforcing plate (208) is provided with a second flange plate (207), the top of the second flange plate (207) is provided with a second polyurethane (PU) elastic ring body (206), and the threaded connecting rod (201) extends into the inside of the spring pad (301), the flat pad (302) and the nut (303).
3. A drive unit connection for a traction vehicle as claimed in claim 1, wherein: The top of the threaded connecting rod (201) is provided with a protective sleeve (202), and the threaded connecting rod (201) extends into the inside of the protective sleeve (202).
4. A drive unit connection for a traction vehicle as claimed in claim 2, wherein: The threaded connecting rod (201) extends into the inside of the second polyurethane (PU) elastic ring body (206), the second flange plate (207) and the second reinforcing plate (208).
5. A drive unit connection for a traction vehicle as claimed in claim 1, wherein: The main body (1) comprises a driving connection base plate (101), and the side surface of the driving connection base plate (101) is fixedly connected with a driving connection hole seat (105).
6. A drive unit connection for a traction vehicle as claimed in claim 5, wherein: The side surface of the driving connection base plate (101) is provided with a vehicle body connection base plate (102), and the side surface of the vehicle body connection base plate (102) is fixedly connected with a vehicle body connection hole seat (106).
7. A drive unit connection for a traction vehicle as claimed in claim 6, wherein: The inside of the driving connection base plate (101) and the vehicle body connection base plate (102) are both provided with mounting holes (103), and a plurality of mounting holes (103) are formed.
8. A drive unit connection for a traction vehicle as claimed in claim 7, characterised in that: The side surface of the driving connection base plate (101) and the vehicle body connection base plate (102) are both fixedly connected with an adapter plate (104), and the adapter plate (104) is provided with two.