Dustproof and waterproof sealing structure of new energy mine car gear

Abstract

The utility model relates to the technical field of new energy mine car equipment, and discloses a dustproof and waterproof sealing structure of a new energy mine car gear, which comprises a shell, a motor is fixedly connected in the shell, a rotating rod is fixedly connected to the driving end of the motor, a round head rod is rotatably connected to the driving end of the motor, and a pushing column is fixedly connected to the front side of the round head rod. The rear side of the round head rod is fixedly connected with a pawl, the top end of the round head rod is rotationally connected with a connecting rod, the other end of the connecting rod is rotationally connected with a sliding rod, the outer side of the sliding rod is fixedly connected with a spring, the other end of the spring is fixedly connected with an isolation cover, the bottom end of the sliding rod is fixedly connected with a disc, and the interior of the shell is fixedly connected with an external oil pipe. The motor drives the connecting rod mechanism to control downward pressing of the sliding rod, automatic quantitative supply of lubricating oil is achieved in cooperation with the ratchet mechanism, sufficient lubrication is guaranteed, excessive leakage is prevented, dust and water are effectively prevented in combination with a sealing structure, and long-term stable operation of the gear is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of new energy mining truck equipment technology, and in particular to a dustproof and waterproof sealing structure for a new energy mining truck gear. Background Technology

[0002] The dustproof and waterproof sealing structure of gears in new energy mining trucks is crucial. It is usually composed of components such as sealing covers and sealing rings. The sealing cover is installed on the outside of the gearbox and can block most of the intrusion of dust and water. The sealing ring is installed at the connection between the gear shaft and the gearbox body. It uses its elasticity to achieve a tight fit and prevent fine dust and moisture from seeping in. This structure effectively protects the gears, reduces wear and corrosion, and ensures reliable operation of the mining truck under harsh working conditions.

[0003] The dustproof and waterproof sealing structure of new energy mining truck gears mainly achieves sealing through a variety of methods. For example, the labyrinth seal uses its complex channels to prevent dust and water from penetrating deeply due to multiple refractions and collisions with the walls, thus extending its penetration path and blocking intrusion. The lip seal relies on its own elasticity to fit tightly against the surface of the gear shaft, forming a sealing barrier to prevent dust and water from entering through the gap between the shaft and the seal. In addition, the O-ring seal fills the gap by compression deformation, achieving a good sealing effect and preventing external impurities and moisture from contacting the gear.

[0004] In existing technologies, the dustproof and waterproof sealing structure of some new energy mining truck gears requires the sealing cover to be opened when adding lubricating oil. This allows external dust and impurities to more easily enter the gearbox, adhere to the gear surface, accelerate gear wear, reduce gear transmission efficiency, and affect the normal operation of the mining truck. Therefore, a dustproof and waterproof sealing structure for new energy mining truck gears is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a dustproof and waterproof sealing structure for gears in new energy mining trucks. It aims to improve the existing technology where the sealing cover needs to be opened when adding lubricating oil, making it easier for external dust and impurities to enter the gearbox, adhere to the gear surface, accelerate gear wear, reduce gear transmission efficiency, and affect the normal operation of the mining truck.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dustproof and waterproof sealing structure for a new energy mining truck gear includes an outer shell, a motor fixedly connected inside the outer shell, a rotating rod fixedly connected to the drive end of the motor, a round-headed rod rotatably connected to the drive end of the motor, a push column fixedly connected to the front side of the round-headed rod, a ratchet fixedly connected to the rear side of the round-headed rod, a connecting rod rotatably connected to the top of the round-headed rod, a sliding rod rotatably connected to the other end of the connecting rod, a spring fixedly connected to the outer side of the sliding rod, an isolation cover fixedly connected to the other end of the spring, a disc fixedly connected to the bottom end of the sliding rod, an external oil pipe fixedly connected inside the outer shell, a ratchet fixedly connected inside the outer shell, and a sealing component for sealing the gear provided on the outer side of the outer shell.

[0008] As a further description of the above technical solution:

[0009] The sealing assembly includes a connecting plate, the inner side of which is fixedly connected to the outer side of the housing. Two cylinders are fixedly connected to the bottom end of the connecting plate. A support plate is fixedly connected to the driving end of each cylinder. Push rods are rotatably connected to both ends of the support plate. A linkage plate is rotatably connected to the other end of the push rod. A transmission rod is rotatably connected to the top end of the linkage plate. A clamping block is rotatably connected to the other end of the transmission rod. Two fixing blocks are fixedly connected to the bottom end of the connecting plate. Two support columns are fixedly connected inside each of the two fixing blocks. A sealing ring is installed inside the connecting plate.

[0010] As a further description of the above technical solution:

[0011] The inner side of the ratchet is rotatably connected to the drive end of the motor, and the outer side of the pawl is in contact with the outer side of the ratchet.

[0012] As a further description of the above technical solution:

[0013] The rear side of the round-headed rod is rotatably connected to the front side of the ratchet, and the rear side of the rotating rod is rotatably connected to the front side of the round-headed rod;

[0014] As a further description of the above technical solution:

[0015] The outer side of the spring is slidably connected to the inner side of the isolation cover, and the outer side of the isolation cover is fixedly connected to the inside of the outer shell;

[0016] As a further description of the above technical solution:

[0017] The outer shell has a groove inside, and the outer side of the disc is slidably connected to the inside of the groove;

[0018] As a further description of the above technical solution:

[0019] The adjacent side of the clamping block is rotatably connected to the distant side of the connecting plate, and the other end of the linkage plate is rotatably connected to the top of the support column;

[0020] As a further description of the above technical solution:

[0021] The outer side of the sliding rod is slidably connected to the inside of the outer shell, and the outer side of the sliding rod is slidably connected to the inside of the isolation cover.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, when the gear oil level is insufficient, the external oil pipe injects oil into the housing. After the motor starts, the rotating rod drives the round-headed rod to rotate, and pushes the sliding rod down the disc through the connecting rod, so that the lubricating oil flows along the outer wall of the isolation cover to the gear. The spring stores energy due to the downward movement of the sliding rod. After the connecting rod rotates past the top, the spring force is released to reset the sliding rod. The pawl is fixed between the teeth of the ratchet, realizing the quantitative supply of lubricating oil. This can not only prevent gear wear caused by insufficient lubrication, but also avoid excessive leakage. With the sealing structure, it can also effectively block the intrusion of external impurities and ensure the long-term stable operation of the mine car gear.

[0024] 2. In this utility model, the sealing ring is installed between the connecting plates, the driving cylinder drives the support plate to move, and the push rod pushes the linkage plate, so that the transmission rod drives the clamping block to rotate, thereby pressing the connecting plate to achieve the sealing effect on the gear, effectively preventing dust, rainwater and other impurities from entering, preventing gear wear, and ensuring transmission accuracy and reliability. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a dustproof and waterproof sealing structure for a new energy mining truck gear proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the outer shell of a dustproof and waterproof sealing structure for a new energy mining truck gear proposed in this utility model;

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0028] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0029] Legend:

[0030] 1. Housing; 2. Motor; 3. Ratchet; 4. Pawl; 5. Rotating rod; 6. Round-headed rod; 7. Push column; 8. Connecting rod; 9. Sliding rod; 10. Spring; 11. Isolation cover; 12. Disc; 13. External oil pipe; 14. Connecting plate; 15. Cylinder; 16. Support plate; 17. Push rod; 18. Linkage plate; 19. Transmission rod; 20. Clamping block; 21. Support column; 22. Fixing block; 23. Sealing ring. Detailed Implementation

[0031] 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.

[0032] Reference Figures 1 to 3 This utility model provides an embodiment of a dustproof and waterproof sealing structure for gears in a new energy mining truck. The structure includes a housing 1, which serves as the basic framework of the entire sealing structure, playing a crucial role in supporting and protecting internal components. It provides installation space for components such as a motor 2 and a ratchet 3, and isolates the gears from the external environment, initially preventing the intrusion of dust, water, and other impurities, thus forming the first physical barrier against dust and water. A motor 2 is fixedly connected inside the housing 1. A rotating rod 5 is fixedly connected to the drive end of the motor 2. The rotating rod 5 receives power from the motor 2 and rotates, applying a force to a push column 7 to provide power to subsequent components. A round-headed rod 6 is rotatably connected to the drive end of the motor 2. The motor 2 acts as a power source, outputting rotational power through its drive end. The rotation of the motor 2 drives the fixedly connected rotating rod 5 to rotate, and simultaneously rotatably connects to the round-headed rod 6, transmitting power to subsequent transmission components and providing the necessary power for the operation of the entire sealing structure.

[0033] A push post 7 is fixedly connected to the front side of the round-headed rod 6, and a pawl 4 is fixedly connected to the rear side of the round-headed rod 6. A connecting rod 8 is rotatably connected to the top of the round-headed rod 6. Driven by the round-headed rod 6, the connecting rod 8 moves, converting the rotational motion of the round-headed rod 6 into the linear motion of the sliding rod 9, thus changing the motion mode. The other end of the connecting rod 8 is rotatably connected to the sliding rod 9. Driven by the connecting rod 8, the sliding rod 9 performs linear reciprocating motion along the axial direction. A spring 10 fixed on the outer side provides a restoring force, ensuring that the sliding rod 9 can return to its initial position when no external force is applied. The spring 10 is fixedly connected to the outer side of the sliding rod 9, and the spring 10 connects the sliding rod 9 and the isolation cover 11, providing a restoring elastic force for the sliding rod 9.

[0034] When the sliding rod 9 moves under external force, the spring 10 pulls it back to its initial position, ensuring that all components can work repeatedly and stably. An isolation cover 11 is fixedly connected to the other end of the spring 10, isolating the spring 10 from the external lubricating oil and ensuring its normal operation. A disc 12 is fixedly connected to the bottom end of the sliding rod 9. The disc 12 can cooperate with other components during sliding to control the flow path and flow rate of the lubricating oil. An external oil pipe 13 is fixedly connected inside the housing 1, used to connect to an external lubricating oil source to deliver lubricating oil to the gears. Under the control of components such as the ratchet 3, quantitative or on-demand delivery of lubricating oil can be achieved, ensuring good lubrication of the gears during operation. Simultaneously, a sealing structure prevents lubricating oil leakage and the entry of external impurities into the oil pipe. A ratchet 3 is fixedly connected inside the housing 1, cooperating with the pawl 4 to intermittently fix the movement of the round-head rod 6. A sealing assembly for sealing the gears is provided on the outside of the housing 1.

[0035] Reference Figure 1 , Figure 2 , Figure 4 The sealing assembly includes a connecting plate 14, the inner side of which is fixedly connected to the outer side of the housing 1. The connecting plate 14 provides a stable mounting platform for the subsequent sealing assembly. Two cylinders 15 are fixedly connected to the bottom end of the connecting plate 14, serving as the power source for the sealing assembly's operation. Driven by compressed gas, their driving ends extend and retract, causing the connected support plate 16 to move up and down, providing power to subsequent components and enabling the sealing assembly to open, close, or clamp, flexibly controlling the sealing degree according to actual needs. The driving ends of both cylinders 15 are fixedly connected to the support plate 16, and push rods 17 are rotatably connected to both the front and rear ends of the support plate 16, which receives the power transmitted by the cylinders 15. The up-and-down movement of the support plate 16 will drive the push rod 17, which is rotatably connected at both ends, to move, thus playing a role in force transmission and conversion. The other end of the push rod 17 is rotatably connected to the linkage plate 18. The transmission rod 19, which is rotatably connected to the top of the linkage plate 18, will change its angle as the linkage plate 18 moves. The linkage plate 18 serves to connect the push rod 17 and the transmission rod 19, ensuring that the force can be smoothly transmitted and pushing the clamping block 20 to complete the sealing action.

[0036] A transmission rod 19 is rotatably connected to the top of the linkage plate 18, and a clamping block 20 is rotatably connected to the other end of the transmission rod 19. Two fixing blocks 22 are fixedly connected to the bottom of the connecting plate 14, and two support columns 21 are fixedly connected inside each of the two fixing blocks 22. The support columns 21 provide support and stability, guiding and supporting the movement of components such as the clamping block 20 and the transmission rod 19, ensuring that each component remains stable during operation. A sealing ring 23 is installed inside the connecting plate 14, which is the core sealing component of the sealing assembly. Through its own elastic deformation, it tightly fits the surface of the gear and related components, filling gaps and preventing dust, moisture, and other impurities from entering the gearbox, while also preventing lubricating oil leakage. It maintains good sealing performance under both static and dynamic conditions, ensuring the normal operation of the gears.

[0037] Reference Figure 1 , Figure 3 , Figure 4 The inner side of ratchet 3 is rotatably connected to the drive end of motor 2, and the outer side of pawl 4 is in contact with the outer side of ratchet 3. The rotating pawl 4 can be engaged between the teeth of the fixed ratchet 3, intermittently fixing the round-head rod 6. The rear side of the round-head rod 6 is rotatably connected to the front side of ratchet 3, and the rear side of rotating rod 5 is rotatably connected to the front side of round-head rod 6. The outer side of spring 10 is slidably connected to the inner side of isolation cover 11, and the outer side of isolation cover 11 is fixedly connected to the inside of outer shell 1. The spring 10 on the outer side of sliding rod 9 is compressed or stretched when sliding rod 9 moves, storing elastic potential energy. When the external force on sliding rod 9 disappears, spring 10 releases elastic potential energy, pulling sliding rod 9 back to its initial position, ensuring that the movement of sliding rod 9 has repeatability and stability.

[0038] The outer casing 1 has a groove inside, and the outer side of the disc 12 is slidably connected to the inside of the groove. The disc 12 at the bottom of the sliding rod 9 slides in the groove inside the outer casing 1. The groove provides movement guidance and limit for the disc 12, ensuring the accurate movement trajectory of the sliding rod 9. At the same time, the disc 12 can also cooperate with other components to control the flow of lubricating oil or assist the isolation cover 11 to achieve sealing. The adjacent side of the clamping block 20 is rotatably connected to the distant side of the connecting plate 14. Under the push of the transmission rod 19, the clamping block 20 works together with the sealing ring 23 installed inside the connecting plate 14 to form a tight sealing space, effectively preventing external dust and moisture from entering the gearbox, while also preventing internal lubricating oil leakage. The other end of the linkage plate 18 is rotatably connected to the top of the support column 21, and the support column 21 provides the fulcrum for the rotation of the linkage plate 18. The outer side of the sliding rod 9 is slidably connected to the inside of the outer casing 1, and the outer side of the sliding rod 9 is slidably connected to the inside of the isolation cover 11.

[0039] Working principle: When the oil level inside the gear is insufficient, lubricating oil flows from the inside of the external oil pipe 13 into the inside of the outer casing 1. At this time, the motor 2 is started, and the movement of the motor 2 drives the rotating rod 5 to rotate. The rotation of the rotating rod 5 pushes the round head rod 6 to rotate. The movement of the round head rod 6 causes the connecting rod 8 to drive the sliding rod 9 to move downward, causing the disc 12 to move downward. At this time, the lubricating oil that has entered the inside of the outer casing 1 flows along the outer wall of the isolation cover 11 to the outside of the gear. Since the outside of the sliding rod 9 is connected to the spring 10, the spring 10 stores elastic potential energy due to the downward movement of the sliding rod 9. As the connecting rod 8 continues to rotate, the downward force of the sliding rod 9 disappears, and the elastic potential energy of the spring 10 is released, causing the sliding rod 9 to return to its original position. At this time, the pawl 4 is fixed between the teeth of the ratchet 3, completing the quantitative release of lubricating oil, realizing precise supply of lubricating oil, avoiding insufficient lubrication leading to gear wear, ensuring efficient operation of the gears of the new energy mining truck, extending service life, preventing excessive leakage of lubricating oil, and working in conjunction with the dustproof and waterproof sealing structure to reduce the risk of external impurities entering.

[0040] The sealing ring 23 is installed between the connecting plates 14, and the cylinder 15 is driven. The movement of the cylinder 15 drives the support plate 16 to move. The support plate 16 drives the push rod 17 to apply force to the outside, so that the linkage plate 18 drives the transmission rod 19 to make the clamping block 20 rotate around the connection point between the clamping block 20 and the connecting plate 14. This causes the clamping block 20 to press the connecting plate 14 tightly, thus sealing the gear and isolating external impurities such as dust and rainwater from entering the gear transmission components. This prevents gear failure caused by wear due to impurities and ensures transmission accuracy and reliability.

[0041] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dustproof and waterproof sealing structure for gears in new energy mining trucks, comprising a housing (1), characterized in that: A motor (2) is fixedly connected inside the outer casing (1). A rotating rod (5) is fixedly connected to the drive end of the motor (2). A round-headed rod (6) is rotatably connected to the drive end of the motor (2). A push column (7) is fixedly connected to the front side of the round-headed rod (6). A pawl (4) is fixedly connected to the rear side of the round-headed rod (6). A connecting rod (8) is rotatably connected to the top of the round-headed rod (6). A sliding rod (9) is rotatably connected to the other end of the connecting rod (8). A spring (10) is fixedly connected to the outside of the sliding rod (9). An isolation cover (11) is fixedly connected to the other end of the spring (10). A disc (12) is fixedly connected to the bottom end of the sliding rod (9). An external oil pipe (13) is fixedly connected inside the outer casing (1). A ratchet (3) is fixedly connected inside the outer casing (1). A sealing assembly for sealing gears is provided on the outside of the outer casing (1).

2. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The sealing assembly includes a connecting plate (14), the inner side of which is fixedly connected to the outer side of the outer shell (1). Two cylinders (15) are fixedly connected to the bottom end of the connecting plate (14). A support plate (16) is fixedly connected to the driving end of each of the two cylinders (15). A push rod (17) is rotatably connected to both the front and rear ends of the support plate (16). A linkage plate (18) is rotatably connected to the other end of the push rod (17). A transmission rod (19) is rotatably connected to the top end of the linkage plate (18). A clamping block (20) is rotatably connected to the other end of the transmission rod (19). Two fixing blocks (22) are fixedly connected to the bottom end of the connecting plate (14). Two support columns (21) are fixedly connected inside the two fixing blocks (22). A sealing ring (23) is installed inside the connecting plate (14).

3. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The inner side of the ratchet (3) is rotatably connected to the drive end of the motor (2), and the outer side of the pawl (4) is in contact with the outer side of the ratchet (3).

4. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The rear side of the round-head rod (6) is rotatably connected to the front side of the ratchet (3), and the rear side of the rotating rod (5) is rotatably connected to the front side of the round-head rod (6).

5. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The outer side of the spring (10) is slidably connected to the inner side of the isolation cover (11), and the outer side of the isolation cover (11) is fixedly connected to the inside of the outer shell (1).

6. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The outer shell (1) has a groove inside, and the outer side of the disc (12) is slidably connected to the inside of the groove.

7. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 2, characterized in that: The adjacent side of the clamping block (20) is rotatably connected to the opposite side of the connecting plate (14), and the other end of the linkage plate (18) is rotatably connected to the top of the support column (21).

8. The dustproof and waterproof sealing structure for a new energy mining truck gear according to claim 1, characterized in that: The outer side of the sliding rod (9) is slidably connected to the inside of the outer shell (1), and the outer side of the sliding rod (9) is slidably connected to the inside of the isolation cover (11).

Images