Automatic adjustable supporting device installed on RGV

Abstract

The invention discloses an automatic adjustable supporting device installed on an RGV, and relates to a supporting tool. The problem that when an existing coal mining machine roller is hoisted and transported, the welding quality is affected due to the fact that the coal mining machine roller is prone to colliding is solved. The supporting device comprises a supporting device base (4), a driving part and a plurality of supporting assemblies, the supporting device base (4) is installed on the RGV (2), the driving part is installed at the bottom end of the supporting device base (4), and the supporting assemblies are installed on the supporting device base (4) in an annular array mode with a connecting shaft (8) of the driving part as the center. And the diameter of a supporting ring formed by the multiple supporting assemblies in the annular direction is adjustable, carrying and conveying of the coal mining machine roller are facilitated, full-automatic production of the intelligent welding production line of the coal mining machine roller is achieved, the production efficiency is improved, and the labor cost is saved. The device is used for automatically adjusting and supporting the coal mining machine rollers of different sizes and models.

Description

Technical Field

[0001] The invention relates to a supporting device, in particular to an automatic adjustable supporting device installed on an RGV trolley, belonging to the technical field of supporting tooling, and capable of automatically adjusting and supporting coal mining machine drums of different sizes and models. Background Art

[0002] The drum is the working mechanism of the coal mining machine for dropping and loading coal. The drum is welded with end plates and spiral blades, on which picks are installed. The spiral blades load the coal cut by the picks into the scraper conveyor. In order to improve the coal loading effect of the spiral drum, an arc-shaped coal baffle is installed on one side of the drum, which can flip back and forth 180° according to different coal mining directions. The bottom bracket is the bottom bracket that fixes and supports the entire coal mining machine. The coal mining machine rides on the trough of the scraper conveyor through its four sliding shoes at the bottom. The two sliding shoes on the goaf side are covered on the guide pipe of the conveyor to ensure the reliable guidance of the coal mining machine.

[0003] From the above content, it can be seen that the special structure and shape of the coal mining machine drum lead to certain difficulties in the processing, assembly and transportation of its various parts. Especially for large-sized coal mining machine drums, multiple transportations are even more inconvenient.

[0004] For example: At present, most of the domestic transportation of coal mining machine drums is carried out by lifting cranes. This method has many limitations. For example, the hooks used by the crane need to be replaced manually for drums of different models and sizes, which affects production efficiency. It also relies on the professional level of the personnel driving the crane. During transportation, the coal mining machine drums are prone to bumps, which in turn affects the welding quality.

[0005] In summary, when the existing coal mining machine drum is hoisted and transported, the coal mining machine drum is prone to collision, which affects the welding quality. Summary of the invention

[0006] The purpose of the present invention is to solve the problem that the existing coal mining machine drum is prone to collision during hoisting and transportation, which affects the welding quality. Further, an automatic adjustable support device installed on the RGV trolley is provided.

[0007] The technical solution of the present invention is: an automatic adjustable support device installed on an RGV trolley includes a support device base, a driving part and multiple support components, the support device base is installed on the RGV trolley, the driving part is installed at the bottom end of the support device base, and the multiple support components are installed on the support device base in a circular array with the connecting shaft of the driving part as the center, and the diameter of the support ring formed by the multiple support components in the circular direction is adjustable.

[0008] Furthermore, the driving part includes a driving servo motor, a reducer, a connecting shaft, a reducer flange and a driving end bevel gear. The output shaft of the driving servo motor is connected to the reducer and installed on the reducer flange located on the base of the supporting device. The output end of the reducer is connected to the connecting shaft, and the connecting shaft is connected to the driving end bevel gear.

[0009] Furthermore, the driving part also includes a shaft retaining ring and an active end locking round nut. The two ends of the connecting shaft are respectively equipped with shaft retaining rings and are limited by the active end locking round nut.

[0010] Preferably, the number of support assemblies is 3-6.

[0011] Furthermore, each support assembly includes a ball screw subassembly, a guide rail mounting plate, a driven end bevel gear, a slider, a guide rail and a connecting plate. The end of the ball screw subassembly is connected to the driven end bevel gear, the driven end bevel gear is meshed with the driving end bevel gear, the connecting plate is connected to the ball screw nut on the ball screw subassembly through the slider, and the guide rail is installed on the support device base through the guide rail mounting plate.

[0012] Furthermore, the ball screw pair assembly includes a ball screw fixing seat, a ball screw pair, a ball screw support seat and a ball nut seat. The ball screw fixing seat and the ball screw support seat are installed on the base of the support device. The ball screw pair is rotatably installed on the ball screw fixing seat and the ball screw support seat, and the ball nut seat is installed on the ball screw pair.

[0013] Furthermore, each supporting assembly also includes a roller supporting plate, and the roller supporting plate is mounted on the connecting plate.

[0014] Preferably, the roller support plate is a rectangular support plate.

[0015] Furthermore, it also includes a stop block, which is installed on the base of the supporting device and is respectively installed at both ends of the guide rail.

[0016] Furthermore, it also includes a travel switch, which is installed on the side of the guide rail mounting plate.

[0017] Compared with the prior art, the present invention has the following effects:

[0018] 1. The present invention is loaded on the body of the RGV trolley through a support column and is used for the transportation of the coal mining machine drum in the coal mining machine drum intelligent welding production line. By adjusting the diameter of the support ring formed in the circular direction of the support assembly, it is suitable for coal mining machine drums of different models and sizes, which is convenient for the carrying and transportation of the coal mining machine drum, and is conducive to the full automation of the coal mining machine drum intelligent welding production line, improving production efficiency and saving labor costs.

[0019] 2. The present invention is used to transport the coal mining machine drum, which changes the traditional method of crane transportation and improves the production efficiency of the coal mining machine drum welding production line; and for coal mining machine drums of different models and sizes, the present invention can automatically adjust through PLC to adapt to the model and size of the coal mining machine drum.

[0020] Description of the drawings

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention after the coal mining machine drum is installed.

[0022] Figure 2 yes Figure 1 Schematic diagram of the overall structure after removing the coal mining machine drum.

[0023] Figure 3 yes Figure 1 Top view of the .

[0024] Figure 4 yes Figure 3 Section view along AA.

[0025] in:

[0026] 1. Coal mining machine drum; 2. RGV trolley; 3. Support column; 4. Support device base; 5. Drive servo; 6. Reducer; 7. Shaft retaining ring; 8. Connecting shaft; 9. Reducer flange; 10. Active end bevel gear; 11. Active end locking round nut; 12. Driven end locking round nut; 13. Driven end bevel gear; 14. Ball screw fixing seat; 15. Ball screw pair; 16. Ball screw support seat; 17. Ball nut seat; 18. Guide rail mounting plate; 19. Slider; 20. Guide rail; 21. Connecting plate; 22. Drum support plate; 23. Stop block; 24. Travel switch. DETAILED DESCRIPTION

[0027] Specific implementation method 1: Combination Figures 1 to 4 To illustrate this embodiment, an automatic adjustable support device installed on an RGV trolley includes a support device base 4, a driving part and a plurality of support components. The support device base 4 is installed on the RGV trolley 2, the driving part is installed on the bottom end of the support device base 4, and the plurality of support components are installed on the support device base 4 in a circular array with the connecting shaft 8 of the driving part as the center, and the diameter of the support ring formed by the plurality of support components in the circular direction is adjustable.

[0028] In the present invention, the diameter of the support ring formed on the connecting plate 21 in the annular direction of the plurality of support assemblies can be adjusted to adapt to coal mining machine drums of different sizes and models.

[0029] Specific implementation method 2: Combination Figure 3 and Figure 4 This embodiment is described. The driving part of this embodiment includes a driving servo motor 5, a reducer 6, a connecting shaft 8, a reducer flange 9 and a driving end bevel gear 10. The output shaft of the driving servo motor 5 is connected to the reducer 6 and installed on the reducer flange 9 located on the support device base 4. The output end of the reducer 6 is connected to the connecting shaft 8, and the connecting shaft 8 is connected to the driving end bevel gear 10. This arrangement is convenient for driving the driven end bevel gear 13 and the ball screw pair 15 on the support assembly to rotate, thereby driving the ball screw nut 17 to move on the ball screw pair 15. Other components and connection relationships are the same as those of the specific embodiment 1.

[0030] Specific implementation method three: Combination Figure 3 and Figure 4 To explain this embodiment, the driving part of this embodiment further includes a shaft retaining ring 7 and an active end locking round nut 11. The two ends of the connecting shaft 8 are respectively provided with shaft retaining rings 7 and are limited by the active end locking round nut 11. Such a configuration effectively prevents the axial movement of the connecting shaft 8. The other components and connection relationships are the same as those of the first or second embodiment.

[0031] Specific implementation method four: Combination Figure 1 , Figure 2 and Figure 3 This embodiment is described. The number of support assemblies in this embodiment is 3-6. This arrangement facilitates the support of coal mining machine drums of different models and sizes, and ensures the support strength. Other components and connection relationships are the same as those of the first, second or third embodiments.

[0032] Specific implementation method five: Combination Figure 1 , Figure 2 and Figure 3 To explain this embodiment, each support assembly of this embodiment includes a ball screw subassembly, a guide rail mounting plate 18, a driven end bevel gear 13, a slider 19, a guide rail 20 and a connecting plate 21. The end of the ball screw subassembly is connected to the driven end bevel gear 13, the driven end bevel gear 13 is meshed with the driving end bevel gear 10, the connecting plate 21 is connected to the ball screw nut seat 17 on the ball screw subassembly through the slider 19, and the guide rail 20 is installed on the support device base 4 through the guide rail mounting plate 18. Such a configuration facilitates automatic adjustment of the position of the ball screw nut seat 17 on the ball screw subassembly 15, thereby achieving adjustable support position. Other components and connection relationships are the same as those of the specific embodiments one, two, three or four.

[0033] Specific implementation method six: Combination Figure 3The present embodiment is described. The ball screw pair assembly of the present embodiment includes a ball screw fixing seat 14, a ball screw pair 15, a ball screw support seat 16 and a ball screw nut seat 17. The ball screw fixing seat 14 and the ball screw support seat 16 are mounted on the support device base 4. The ball screw pair 15 is rotatably mounted on the ball screw fixing seat 14 and the ball screw support seat 16. The ball screw nut seat 17 is mounted on the ball screw pair 15. With such a configuration, the structure is simple and the support is more stable. Other components and connection relationships are the same as those of the specific embodiments one, two, three, four or five.

[0034] Specific implementation method seven: Combination Figure 2 To illustrate this embodiment, each support assembly of this embodiment further includes a roller support plate 22, which is mounted on the connecting plate 21. This arrangement facilitates connection with the coal mining machine roller, makes the installation more secure, and increases the connection and support area between the coal mining machine roller and the supporting device. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth or sixth embodiments.

[0035] Specific implementation method eight: Combination Figure 2 To explain this embodiment, the roller support plate 22 of this embodiment is a rectangular support plate. With such a configuration, the structure is more stable and the contact area is large. Other components and connection relationships are the same as any one of the specific embodiments 1 to 7.

[0036] Specific implementation method nine: Combination Figure 3 This embodiment further includes a stop block 23, which is mounted on the support device base 4 and respectively mounted at both ends of the guide rail 20. This arrangement serves as a mechanical limit for the slider and the connecting plate. Other components and connection relationships are the same as any one of the specific embodiments 1 to 8.

[0037] Specific implementation method ten: Combination Figure 3 This embodiment is described, and this embodiment also includes a travel switch 24, which is mounted on the side of the guide rail mounting plate 18. This arrangement serves as a signal for the slider and the connecting plate to return to zero. Other components and connection relationships are the same as any one of the specific embodiments 1 to 8.

[0038] Combination Figures 1 to 4 The working principle of the present invention is described:

[0039] The present invention is used for the intelligent welding production line of the coal mining machine drum and is loaded on the RGV. The production line also includes a flip positioner, an automatic clamp, an automatic welding robot, etc.

[0040] The RGV automatic adjustable support is loaded on the RGV body 2 through the support column 3. The servo drive 5 and the reducer 6 are installed at the bottom of the support device base 4 through the reducer flange 9. The output end of the reducer is connected to the active end bevel gear 10 through the connecting shaft 8. The two ends of the connecting shaft are respectively equipped with a shaft retaining ring 7 and an active end locking round nut to prevent the connecting shaft 8 from axial movement. The active end bevel gear 10 is meshed with four driven end bevel gears 13 at the same time. The driven end bevel gear 13 is installed at the end of the ball screw pair 15, and the driven end locking round nut 12 is installed at the end of the ball screw pair 15 to prevent the driven end bevel gear 13 from axial movement. The ball screw pair 15 is installed on the support device base 4 through the ball screw fixing seat 14 and the ball screw support seat 16. The guide rail 20 is installed on the support device base 4 through the guide rail mounting plate 18. The ball screw nut seat 17 is connected to the slider 19 through the connecting plate 21, and the roller support plate 22 is installed on the connecting plate 21. The stop block 23 is installed on the support device base 4 and is respectively placed at both ends of the guide rail 20 to serve as a mechanical limit for the slider and the connecting plate; the travel switch 24 is installed on the side of the guide rail mounting plate 18 to serve as a signal for the slider and the connecting plate to return to zero.

[0041] The servo drive 5 is controlled by PLC. When the servo drive 5 rotates, the reducer 6 transmits the torque of the servo drive 5 to the output end of the reducer, driving the active end bevel gear 10 to rotate, thereby driving the four driven end bevel gears 13 to rotate synchronously, and further driving the four sets of ball screw pairs 15 to rotate synchronously. The ball screw pairs convert the rotational motion into linear motion, and further drive the four ball screw nut seats 17 to move forward and backward synchronously, thereby driving the connecting plate 21 and the roller support plate 22 installed thereon to move forward and backward synchronously, thereby achieving the purpose of automatic adjustment. Among them, the guide rail 20 and the slider 19 mainly play the role of bearing the load.

[0042] Although the present invention has been disclosed as above in terms of preferred embodiments, this is not intended to limit the present invention. Those skilled in the art may also make other changes within the spirit of the present invention, and apply the present invention to fields not mentioned herein. Of course, these changes made in accordance with the spirit of the present invention should be included in the scope of protection claimed by the present invention.

Claims

1. An automatic adjustable support device installed on an RGV trolley, characterized in that: It comprises a support device base (4), a driving part and a plurality of support components. The support device base (4) is installed on the RGV trolley (2), the driving part is installed at the bottom end of the support device base (4), and a plurality of support components are installed on the support device base (4) in a circular array with the connecting shaft (8) of the driving part as the center, and the diameter of the support ring formed by the plurality of support components in the circular direction is adjustable.

2. The automatic adjustable support device installed on the RGV trolley according to claim 1, characterized in that: The driving part includes a driving servo motor (5), a reducer (6), a connecting shaft (8), a reducer flange (9) and a driving end bevel gear (10). The output shaft of the driving servo motor (5) is connected to the reducer (6) and mounted on a reducer flange (9) located on the support device base (4); the output end of the reducer (6) is connected to the connecting shaft (8), and the connecting shaft (8) is connected to the driving end bevel gear (10).

3. The automatic adjustable support device installed on the RGV trolley according to claim 2, characterized in that: The driving part also includes a shaft retaining ring (7) and an active end locking round nut (11). The two ends of the connecting shaft (8) are respectively provided with shaft retaining rings (7) and are limited by the active end locking round nut (11).

4. The automatic adjustable support device installed on the RGV trolley according to claim 1 or 3, characterized in that: The number of support components is 3-6.

5. The automatic adjustable support device installed on the RGV trolley according to claim 4, characterized in that: Each support assembly includes a ball screw assembly, a guide rail mounting plate (18), a driven end bevel gear (13), a slider (19), a guide rail (20) and a connecting plate (21). The end of the ball screw subassembly is connected to the driven end bevel gear (13), the driven end bevel gear (13) is meshed with the driving end bevel gear (10), the connecting plate (21) is connected to the ball screw nut (17) on the ball screw subassembly through a slider (19), and the guide rail (20) is installed on the support device base (4) through a guide rail mounting plate (18).

6. The automatic adjustable support device installed on the RGV trolley according to claim 5, characterized in that: The ball screw pair assembly comprises a ball screw fixing seat (14), a ball screw pair (15), a ball screw support seat (16) and a ball screw nut seat (17); the ball screw fixing seat (14) and the ball screw support seat (16) are mounted on a support device base (4); the ball screw pair (15) is rotatably mounted on the ball screw fixing seat (14) and the ball screw support seat (16); and the ball screw nut seat (17) is mounted on the ball screw pair (15).

7. The automatic adjustable support device installed on the RGV trolley according to claim 6, characterized in that: Each supporting assembly further comprises a roller supporting plate (22), and the roller supporting plate (22) is mounted on the connecting plate (21).

8. The automatic adjustable support device installed on the RGV trolley according to claim 7, characterized in that: The roller support plate (22) is a rectangular support plate.

9. The automatic adjustable support device installed on the RGV trolley according to claim 8, characterized in that: It also includes a stop block (23), which is mounted on the support device base (4) and is respectively mounted on both ends of the guide rail (20).

10. The automatic adjustable support device installed on the RGV trolley according to claim 1 or 9, characterized in that: It also includes a travel switch (24), which is mounted on the side of the guide rail mounting plate (18).

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