Rear wheel drive disc assembly device for mining dump truck and method of use thereof

Abstract

The present invention discloses an assembly device for a rear wheel drive disc of a mining dump truck, comprising a guide column, an arc-shaped lifting device and a lifting bracket, wherein a positioning groove is provided at the front end of the guide column, and a handle is provided at the rear end of the guide column; a lifting bracket is provided on the side of the guide column close to the handle, and the opening of the lifting bracket faces the front end of the guide column; the guide column is provided with the arc-shaped lifting device on the side of the opening of the lifting bracket, and a rubber pad is fixed to the upper end face of the arc-shaped lifting device. The present invention also discloses a method for using the assembly device for the rear wheel drive disc of a mining dump truck. The present invention uses an assembly mechanism to accurately and quickly install the inner teeth of the drive disc on the rear wheel of a mechanically driven mining dump truck and the outer teeth of the half-axle of a mechanically driven mining dump truck. The entire assembly device has a compact structure, is simple and reliable, and improves assembly efficiency and one-time qualified assembly rate.

Description

Technical Field

[0001] The present invention relates to the technical field of mining machinery assembly, in particular to an assembly device for a rear wheel drive disc of a mining dump truck and a use method thereof. Background Art

[0002] The drive plate is a critical component in the mechanical drive system of a mining dump truck. Designed with high precision, it resembles a flat-bottomed pan with a hole at the bottom. High-precision spur gears are machined into the bottom hole and connect to the truck's rear axle half-shaft. High-precision spur gears are machined along the inner circumference of the pan-shaped hole and connect to the truck's planetary transmission mechanism. Its assembly structure is complex, requiring high precision, but assembly efficiency is low. Summary of the Invention

[0003] The object of the present invention is to provide a rear wheel drive disc assembly device for a mining dump truck and a method of using the same to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The rear wheel drive disc assembly device of a mining dump truck includes a guide column, an arc-shaped lifting device and a lifting bracket. The front end of the guide column is provided with a positioning groove, and the rear end of the guide column is provided with a handle; the guide column is provided with a lifting bracket on the side close to the handle, and the opening of the lifting bracket faces the front end of the guide column; the guide column is provided with an arc-shaped lifting device on the side of the opening of the lifting bracket, and a rubber pad is fixed to the upper end surface of the arc-shaped lifting device.

[0006] Further: the upper end surface of the arc-shaped supporting device is an arc-shaped surface inclined toward the front end.

[0007] Further: the hanging bracket is a U-shaped structure, the lower arm is connected to the guide column, and the upper arm is provided with a fixing hole.

[0008] Further: the arc-shaped lifting device (2) is provided with a fixing groove (5) with an opening facing upward, and an assembly mechanism is provided in the fixing groove (5), and the assembly mechanism includes a lifting mechanism and a rotating mechanism fixed on the lifting mechanism; the lifting mechanism includes a cylinder (8) fixed on the bottom end of the fixing groove (5), a first piston (11) sealingly and slidingly connected to the cylinder (8), a lifting rod (10) fixed on the upper end of the first piston (11) and extending above the cylinder (8), a lifting frame (6) fixed on the top end of the lifting rod (10) and a transmission roller (7) rotatably connected to the lifting frame (6), and the lifting frame (6) is a U-shaped structure; a driving motor is provided on the lifting frame (6), and the driving motor is used to drive the transmission roller (7) to rotate; the roller surface of the transmission roller (7) is parallel to the upper end surface of the arc-shaped lifting device (2), and a rubber pad is fixed on the surface of the transmission roller (7).

[0009] Furthermore: the guide column (1) is provided with a power mechanism for providing power for the lifting mechanism, and the power mechanism includes a slide groove (12), a screw rod (13), a slider (14), a connecting rod (15) and a second piston (16); the guide column (1) is provided with a slide groove (12), and the slide groove (12) is provided with a medium inlet and outlet (9) connected to the cylinder (8); the other end of the slide groove (12) is rotatably connected to the screw rod (13), and the screw rod (13) is provided with a slider (14) slidably connected thereto, one end of the screw rod (13) is connected to the handle (4), and the other end of the screw rod (13) is provided with a second piston (16), and the second piston (16) is connected to the slider (14) through the connecting rod (15).

[0010] Furthermore, one end of the slide groove (12) connected to the cylinder (8) and the second piston (16) forms a medium chamber, and the medium chamber is filled with gas.

[0011] Furthermore, guide rods are fixed to the upper and lower ends of the slider (14), and guide grooves adapted to the guide rods are provided along the axial direction of the upper and lower ends of the slide groove (12).

[0012] The method for using the rear wheel drive disc assembly device for a mining dump truck comprises the following steps:

[0013] Pass the guide column (1) through the driving disk (18), and use the arc-shaped lifting device (2) on the guide column (1) to match the inner arc surface of the driving disk (18);

[0014] Pass the sling (19) on the lifting device through the fixing hole on the lifting bracket (3) and fix it there. When lifting, hold the handle (4) on the guide column (1);

[0015] Positioning is achieved by utilizing the guide column (1) and the positioning groove opened at its front end and the circular hole of the mining vehicle rear wheel (17) assembly; the inner teeth of the drive disc on the rear wheel of the mechanical transmission mining dump truck are installed with the outer teeth of the half shaft of the mechanical transmission mining dump truck.

[0016] Preferably, the handle (4) is rotated to drive the screw (13) to rotate so that the slider (14) drives the second piston (16) to move toward the front end of the medium chamber so that the gas in the medium chamber enters the cylinder (8) through the medium inlet and outlet (9) to drive the entire lifting mechanism to rise. When the upper end surface of the transmission roller (7) rises to be parallel to the upper end surface of the arc-shaped lifting device (2), the drive motor is started to rotate the transmission roller (7). Since a rubber pad is fixed on the transmission roller (7), there is sufficient friction force to drive the driving disc (18) to rotate during the rotation of the transmission roller (7), thereby realizing accurate and rapid installation of the inner teeth of the driving disc (18) and the outer teeth of the mechanical transmission mining vehicle half-axle.

[0017] The technical effects of the present invention include:

[0018] The present invention utilizes a cylindrical guide post that passes through the drive plate on the rear wheel of a mechanically driven mining dump truck. An arc-shaped lifting device is provided on the guide post to cooperate with the inner arc surface of the drive plate of the mechanically driven mining dump truck's rear wheel. A sling on the lifting equipment passes through a circular hole provided on a special-shaped lifting guide frame provided on the guide post. While lifting, a handle device provided on the rear of the guide post is held. Positioning is achieved by utilizing the guide post and the positioning grooves provided on the guide post and the circular holes of the mechanically driven mining dump truck's rear wheel assembly. This allows for accurate and rapid installation of the internal gears of the drive plate on the rear wheel of the mechanically driven mining dump truck with the external gears of the mechanically driven mining dump truck's axle shaft. The entire assembly device is compact, simple, and reliable, improving assembly efficiency and first-pass assembly yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a cross-sectional view of the structure of the present invention;

[0021] Figure 3 It is an assembly diagram of the present invention.

[0022] In the figure: 1. Guide column; 2. Arc-shaped lifting device; 3. Lifting bracket; 4. Handle; 5. Fixing groove; 6. Lifting frame; 7. Transmission roller; 8. Cylinder; 9. Medium inlet and outlet; 10. Lifting rod; 11. First piston; 12. Slide groove; 13. Screw rod; 14. Sliding block; 15. Connecting rod; 16. Second piston; 17. Rear wheel of mining vehicle; 18. Drive plate; 19. Sling. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-3, the present invention provides an embodiment: a rear wheel drive disc assembly device for a mining dump truck, comprising a guide column 1, an arc-shaped lifting device 2 and a lifting bracket 3, the front end of the guide column 1 is provided with a positioning groove, and the rear end of the guide column 1 is provided with a handle 4, the upper end of the guide column 1 near the handle 4 is fixed with a lifting bracket 3, the lifting bracket 3 is a U-shaped structure, and the opening of the lifting bracket 3 faces the front end of the guide column 1, the upper end of the guide column 1 is located at the opening of the lifting bracket 3 and is fixed with an arc-shaped lifting device 2, and the upper end surface of the arc-shaped lifting device 2 is an inclined surface and is fixed with a rubber pad, the arc-shaped lifting device 2 is provided with a fixing groove 5 opening upward, and an assembly mechanism is provided in the fixing groove 5, and the assembly mechanism includes a lift Structure and a rotating mechanism fixed on the lifting mechanism, and the lifting mechanism includes a cylinder 8 fixed on the bottom end of the fixing groove 5, a first piston 11 sealingly and slidingly connected to the cylinder 8, a lifting rod 10 fixed to the upper end of the first piston 11 and extending above the cylinder 8, a lifting frame 6 fixed on the top of the lifting rod 10 and a transmission roller 7 rotatably connected to the lifting frame 6, the lifting frame 6 is a U-shaped structure, the rotating mechanism includes a transmission roller 7 and a driving motor for driving the transmission roller 7, and the transmission roller 7 is rotatably connected to the lifting frame 6, the axial direction of the transmission roller 7 is parallel to the upper end surface of the arc-shaped lifting device 2, and a rubber pad is fixed on the surface of the transmission roller 7, and the guide column 1 is provided with a power mechanism for providing power to the lifting mechanism.

[0025] In this embodiment, the angle formed between the upper end surface of the arc-shaped lifting device 2 and the axial direction of the guide column 1 is an acute angle.

[0026] In this embodiment, the length of the upper arm of the hanging bracket 3 is greater than the length of the lower arm thereof, and a fixing hole is provided on the upper arm of the hanging bracket 3 .

[0027] In this embodiment, the power mechanism includes a slide 12, a screw rod 13, a slider 14, a connecting rod 15 and a second piston 16. The guide column 1 is located below the lifting bracket 3 and is provided with a slide 12 coaxial therewith, and the slide 12 is located at one end below the arc-shaped lifting device 2 and is provided with a medium inlet and outlet 9 connected to the cylinder 8. The other end of the slide 12 is rotatably connected to the screw rod 13, and the screw rod 13 is provided with a slider 14 slidably connected thereto. One end of the screw rod 13 is connected to the handle 4, and the other end of the screw rod 13 is provided with a second piston 16, and the second piston 16 is connected to the slider 14 through the connecting rod 15.

[0028] In this embodiment, one end of the slide groove 12 connected to the cylinder 8 and the second piston 16 form a medium chamber, and the medium chamber is filled with gas.

[0029] In this embodiment, guide rods are fixed to the upper and lower ends of the slider 14 respectively, and guide grooves adapted to the guide rods are formed along the axial direction of the upper and lower ends of the slide groove 12 .

[0030] The method for using the rear wheel drive disc assembly device for a mining dump truck is characterized by comprising the following steps:

[0031] Step 1: Pass the guide column 1 through the drive disk 18, and use the arc-shaped lifting device 2 on the guide column 1 to match the inner arc surface of the drive disk 18;

[0032] Step 2: Pass the sling 19 on the lifting equipment through the fixing hole on the lifting bracket 3 and fix it. When lifting, hold the handle 4 on the guide column 1;

[0033] Step 3: Positioning is achieved by utilizing the guide column 1 and the positioning groove provided at its front end and the circular hole of the rear wheel 17 assembly of the mining vehicle;

[0034] Step 4. Rotate the handle 4 to drive the screw 13 to rotate, so that the slider 14 drives the second piston 16 to move toward the front end of the medium chamber so that the gas in the medium chamber enters the cylinder 8 through the medium inlet and outlet 9 to drive the entire lifting mechanism to rise. When the upper end surface of the transmission roller 7 rises to be parallel to the upper end surface of the arc-shaped lifting device 2, start the drive motor to rotate the transmission roller 7. Since a rubber pad is fixed on the transmission roller 7, there is sufficient friction to drive the drive disc 18 to rotate during the rotation of the transmission roller 7, thereby realizing accurate and rapid installation of the inner teeth of the drive disc 18 and the outer teeth of the mechanical transmission mining vehicle half-axle.

[0035] Preferably, the medium chamber can also be connected to an external pressure cylinder through a pipeline to achieve external power input.

[0036] The terms used in this invention are descriptive and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the technical solution, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A rear wheel drive disc assembly device for a mining dump truck, characterized by: The invention comprises a guide column (1), an arc-shaped lifting device (2) and a hanging bracket (3), wherein the front end of the guide column (1) is provided with a positioning groove, and the rear end of the guide column (1) is provided with a handle (4); the hanging bracket (3) is provided on the side of the guide column (1) close to the handle (4), and the opening of the hanging bracket (3) faces the front end of the guide column (1); the guide column (1) is provided with the arc-shaped lifting device (2) on the side of the opening of the hanging bracket (3), and the upper end surface of the arc-shaped lifting device (2) is fixed with a rubber pad; the guide column (1) is provided with a lifting device for lifting. The power mechanism provides power to the structure, the power mechanism includes a slide groove (12), a screw rod (13), a slider (14), a connecting rod (15) and a second piston (16); the guide column (1) is provided with a slide groove (12), and the slide groove (12) is provided with a medium inlet and outlet (9) connected to the cylinder (8); the other end of the slide groove (12) is rotatably connected to the screw rod (13), and the screw rod (13) is provided with a slider (14) slidably connected thereto, one end of the screw rod (13) is connected to the handle (4), and the other end of the screw rod (13) is provided with a second piston ( 16), the second piston (16) is connected to the slider (14) through a connecting rod (15); a fixing groove (5) with an upward opening is provided on the arc-shaped lifting device (2), an assembly mechanism is provided in the fixing groove (5), the assembly mechanism includes a lifting mechanism and a rotating mechanism fixed to the lifting mechanism; the lifting mechanism includes a cylinder (8) fixed to the bottom end of the fixing groove (5), a first piston (11) sealingly connected to the cylinder (8), a lifting rod (10) fixed to the upper end of the first piston (11) and extending to the top of the cylinder (8), a rotating mechanism fixed to the lifting mechanism, and a rotating mechanism fixed to the lifting mechanism. A lifting frame (6) on the top of the lifting rod (10) and a transmission roller (7) rotatably connected to the lifting frame (6), the lifting frame (6) is a U-shaped structure; a driving motor is provided on the lifting frame (6), and the driving motor is used to drive the transmission roller (7) to rotate; the roller surface of the transmission roller (7) is parallel to the upper end surface of the arc-shaped lifting device (2), a rubber pad is fixed on the surface of the transmission roller (7), the upper end surface of the arc-shaped lifting device (2) is an arc-shaped surface inclined toward the front end, and the angle formed by the upper end surface of the arc-shaped lifting device (2) and the axial direction of the guide column (1) is an acute angle.

2. The rear wheel drive disc assembly device for a mining dump truck according to claim 1, characterized in that: The hanging bracket (3) is a U-shaped structure, the lower arm is connected to the guide column (1), and the upper arm is provided with a fixing hole.

3. The rear wheel drive disc assembly device for a mining dump truck according to claim 1, characterized in that: One end of the slide groove (12) connected to the cylinder (8) forms a medium chamber with the second piston (16), and the medium chamber is filled with gas.

4. The rear wheel drive disc assembly device for a mining dump truck according to claim 1, characterized in that: Guide rods are fixed to the upper and lower ends of the slider (14), and guide grooves adapted to the guide rods are provided along the axial direction of the upper and lower ends of the slide groove (12).

5. The method for using the rear wheel drive disc assembly device for a mining dump truck according to any one of claims 1 to 4, characterized in that: The following steps are involved: Pass the guide column (1) through the drive disk (18), and use the arc-shaped lifting device (2) on the guide column (1) to match the inner arc surface of the drive disk (18); Pass the sling (19) on the lifting device through the fixing hole on the lifting bracket (3) and fix it there. When lifting, hold the handle (4) on the guide column (1); Positioning is achieved by utilizing the guide column (1) and the positioning groove opened at its front end and the circular hole of the mining vehicle rear wheel (17) assembly; the inner teeth of the drive disc on the rear wheel of the mechanical transmission mining dump truck are installed with the outer teeth of the half shaft of the mechanical transmission mining dump truck.

6. The method for using the rear wheel drive disc assembly device for a mining dump truck according to claim 5, characterized in that: The rotating handle (4) drives the screw rod (13) to rotate, so that the slider (14) drives the second piston (16) to move toward the front end of the medium chamber so that the gas in the medium chamber enters the cylinder (8) through the medium inlet and outlet (9) to drive the entire lifting mechanism to rise. When the upper end surface of the transmission roller (7) rises to be parallel to the upper end surface of the arc-shaped lifting device (2), the driving motor is started to rotate the transmission roller (7). Since a rubber pad is fixed on the transmission roller (7), there is sufficient friction to drive the driving disc (18) to rotate during the rotation of the transmission roller (7), thereby realizing accurate and rapid installation of the inner teeth of the driving disc (18) and the outer teeth of the mechanical transmission mining vehicle half shaft.

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