A mobile hydraulic support device for coal mines

Abstract

The present invention relates to the technical field of coal mines, specifically to a mobile hydraulic support device for coal mines, the mobile hydraulic support device for coal mines comprising an installation box, a mounting platform provided on the surface of the installation box, a roller movably plugged into the surface of the mounting platform, an adjustment component provided on the surface of the installation box, the adjustment component adjusting the height of the roller; a limiting component movably plugged into the surface of the mounting platform, a supporting component slidably connected to the surface of the installation box, the supporting component limiting the limiting component. The beneficial effects are as follows: under the action of the elastic plate, when the hydraulic support needs to be moved as a whole, the integrated plate is moved back to its original position, the limiting plate is also held back to its original position by the elastic plate, and does not hinder the movement of the roller; the bottom of the installation box does not contact the ground, so as not to affect the opening and closing of a door on one side of the installation box; such operation makes the roller rise and fall by a consistent distance, and the overall operation is more time-saving and labor-saving.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mines, in particular to a mobile hydraulic support device for coal mines. Background Art

[0002] A mine is a general term for the shafts, chambers, equipment, ground buildings and structures that form an underground coal mine production system; sometimes inclined shafts, vertical shafts, horizontal shafts, etc. in underground mine development are also called mines; the size of each mine's mining area, the determination of the mine's production capacity and service life is one of the key issues that must be resolved in the mine's own design.

[0003] In the prior art, CN217300615U is a suspended single hydraulic support for mine support. Referring to the patent, the staff can adjust the height of the roller by adjusting the threaded rod to rotate inside the limit plate. The staff adjusts the roller through the through hole to be higher than the mounting seat. At this time, the device is supported by the roller. Then the staff screws the fixing bolt to fix the threaded rod and the roller to increase the stability of the threaded rod and the roller, thereby completing the adjustment work. The device can be moved by the rolling of the roller. The staff only needs to hold the handle to push the hydraulic support body to complete the moving and transportation work, thereby optimizing the use process.

[0004] However, there are four groups of threaded rods, and the staff needs to adjust the four groups of threaded rods. During the adjustment process of the threaded rods, it cannot be ensured that the rollers at the bottom of the four groups of threaded rods are at the same horizontal thread, and the overall adjustment is time-consuming and labor-intensive. Summary of the Invention

[0005] The purpose of the present invention is to provide a mobile hydraulic support device for coal mines to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a mobile hydraulic support device for a coal mine, the mobile hydraulic support device for a coal mine comprising:

[0007] The installation box is provided with a mounting platform on the surface of the installation box, and rollers are movably connected to the surface of the installation platform. The surface of the installation box is provided with an adjustment component, and the adjustment component adjusts the height of the rollers; the surface of the installation platform is movably connected to a limiting component, and the surface of the installation box is slidably connected to a top holding component, and the top holding component limits the limiting component.

[0008] Preferably, the installation table is in the shape of a square plate. The roller includes an installation rod and a roller seat. The installation rod is in the shape of a circular cylinder. The installation rod is movably inserted into the surface of the installation table. The roller seat is fixed to the bottom surface of the installation rod, and the roller is provided on the roller seat. There are two groups of rollers, which are symmetrically distributed about the center of the roller seat, and there are two groups of installation tables, which are symmetrically distributed about the center of the installation box.

[0009] Preferably, the adjusting component includes a first connecting rod and a second connecting rod. An electric telescopic rod is provided on the inner wall of the installation box. The first connecting rod is fixed to the telescopic end of the electric telescopic rod. The first connecting rod is in the shape of an "L"-shaped plate. The second connecting rod is fixed to one end of the first connecting rod. The second connecting rod is in the shape of a "T"-shaped plate, and both groups of installation rods are fixed to the bottom surface of the second connecting rod. A connecting groove in the shape of a "匚"-shaped plate groove structure is formed on the surface of the installation box, and the adjusting component is slidably connected to the surface of the connecting groove.

[0010] Preferably, the limiting component includes a limiting plate, a guiding plate, a guiding groove, a positioning ball, and an elastic plate. An activity groove is formed on the surface of the installation table. The limiting plate is slidably connected to the surface of the activity groove. The guiding plate is fixed to the side surface of the limiting plate. The guiding plate is slidably connected to the surface of the guiding groove. The guiding groove is formed on the surface of the activity groove. There are two groups of guiding grooves, which are symmetrically distributed about the center of the activity groove, and the positioning ball is fixed to the top surface of the limiting plate. The elastic plate is fixed between the guiding groove and the guiding plate. The elastic plate is in the shape of an arc-shaped plate.

[0011] Preferably, the holding component includes an integral plate, an auxiliary plate, a holding inclined plate, and a sliding plate. A sliding groove in the shape of a square plate groove structure is formed on the surface of the installation box. Both the integral plate and the auxiliary plate are in the shape of square plates. The integral plate is slidably connected to the surface of the sliding groove. The auxiliary plate is fixed to one end of the integral plate.

[0012] Preferably, the holding inclined plate is in the shape of an oblique square plate. The sliding plate is integrally formed on one side of the holding inclined plate. The sliding plate is in the shape of a "T"-shaped plate. The sliding plate is slidably connected to one side of the auxiliary plate, and a "T"-shaped sliding groove matching with the sliding plate is formed on one side of the auxiliary plate.

[0013] Preferably, a positioning bin is provided on the surface of the second connecting rod. The positioning bin is in the shape of a square plate hollow structure. A guiding inclined groove in the shape of an oblique square plate groove structure is formed on the surface of the positioning bin. The holding inclined plate is slidably connected to the surface of the guiding inclined groove. There are two groups of guiding inclined grooves, which are symmetrically distributed about the center of the positioning bin.

[0014] Preferably, the positioning ball passes through the notch groove and is located in the positioning bin. The notch groove is formed on the surface of the second connecting rod. One end of the holding inclined plate contacts the surface of the positioning ball.

[0015] Preferably, a limit rod is movably inserted into the surface of the installation box, and the limit rod is a "T"-shaped column structure. One end of the limit rod is movably inserted into the corresponding groove on the surface of the integrated plate, and a spring is provided between the limit rod and the installation box. The spring is sleeved on the outside of the limit rod, and a hydraulic support is provided as a whole on the top surface of the installation box.

[0016] Compared with the prior art, the beneficial effects of the present invention are: under the action of the elastic plate, when the hydraulic support needs to be moved as a whole, the integrated plate is moved back to its original position, and the limit plate is held back by the elastic plate and returns to its original position without hindering the movement of the roller; the bottom of the installation box will not contact the ground, so as not to affect the opening and closing of the door on one side of the installation box; such operation makes the roller rise and fall distance consistent, and the overall operation is more time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a partial cross-sectional schematic diagram of the structure of the present invention;

[0019] Figure 3 It is a partial cross-sectional schematic diagram of the installation box structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the overall structure of the top holding inclined plate of the present invention;

[0021] Figure 5 This is a half-section schematic diagram of the positioning bin structure of the present invention;

[0022] Figure 6 This is a schematic diagram of the overall structure of the limiting plate of the present invention;

[0023] Figure 7 This is a schematic diagram of the partial connection structure between the adjustment component and the roller of the present invention;

[0024] Figure 8 It is a half-section schematic diagram of the integrated panel structure of the present invention.

[0025] In the figure: installation box 1, installation platform 2, installation rod 3, roller seat 4, roller 5, electric telescopic rod 6, connecting rod 1 7, connecting rod 2 8, connecting groove 9, spring 10, movable groove 11, limit plate 12, guide plate 13, guide groove 14, positioning ball 15, notched groove 16, elastic plate 17, positioning bin 18, sliding groove 19, integrated plate 20, auxiliary plate 21, top holding inclined plate 22, sliding plate 23, guide inclined groove 24, limit rod 25, hydraulic support as a whole 26. DETAILED DESCRIPTION

[0026] 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. All other embodiments obtained by ordinary technicians in this field based on the technical solutions in the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figures 1 to 8 The movable hydraulic support device for coal mines comprises: an installation box 1, a mounting platform 2 is provided on the surface of the installation box 1, a roller 5 is movably plugged into the surface of the installation platform 2, and an adjusting component is provided on the surface of the installation box 1, which adjusts the height of the roller 5; a limiting component is movably plugged into the surface of the installation platform 2, and a top holding component is slidably connected to the surface of the installation box 1, which limits the limiting component; under the action of the elastic plate 17, when the hydraulic support 26 as a whole needs to be moved, the integrated plate 20 is moved back to its original position, and the limiting plate 12 is supported by the elastic plate 17 and returns to its original position without hindering the movement of the roller 5; the bottom of the installation box 1 will not contact the ground, so as not to affect the opening and closing of the door on one side of the installation box 1; such operation makes the roller 5 rise and fall by the same distance, and the overall operation is more time-saving and labor-saving.

[0029] Example 2

[0030] See also Figure 1 and Figure 8, the installation platform 2 is in the shape of a square plate structure. The roller 5 includes an installation rod 3 and a roller seat 4. The installation rod 3 is in the shape of a circular cylinder structure. The installation rod 3 is movably inserted into the surface of the installation platform 2. The roller seat 4 is fixed to the bottom surface of the installation rod 3. And the roller 5 is arranged on the roller seat 4. There are two groups of rollers 5, and the two groups of rollers 5 are symmetrically distributed about the center of the roller seat 4. And there are two groups of installation platforms 2, and the two groups of installation platforms 2 are symmetrically distributed about the center of the installation box 1. The adjustment component includes a connecting rod one 7 and a connecting rod two 8. An electric telescopic rod 6 is arranged on the inner wall of the installation box 1. The connecting rod one 7 is fixed to the telescopic end of the electric telescopic rod 6. The connecting rod one 7 is in the shape of an "L"-shaped plate structure. The connecting rod two 8 is fixed to one end of the connecting rod one 7. The connecting rod two 8 is in the shape of a "T"-shaped plate structure. And both groups of installation rods 3 are fixed to the bottom surface of the connecting rod two 8. A connecting groove 9 in the shape of a "匚"-shaped plate groove structure is opened on the surface of the installation box 1. The adjustment component is slidably connected to the surface of the connecting groove 9. The limiting component includes a limiting plate 12, a guiding plate 13, a guiding groove 14, a positioning ball 15, and an elastic plate 17. An activity groove 11 is opened on the surface of the installation platform 2. The limiting plate 12 is slidably connected to the surface of the activity groove 11. The guiding plate 13 is fixed to the side surface of the limiting plate 12. The guiding plate 13 is slidably connected to the surface of the guiding groove 14. The guiding groove 14 is opened on the surface of the activity groove 11. There are two groups of guiding grooves 14, and the two groups of guiding grooves 14 are symmetrically distributed about the center of the activity groove 11. And the positioning ball 15 is fixed to the top surface of the limiting plate 12. The elastic plate 17 is fixed between the guiding groove 14 and the guiding plate 13. The elastic plate 17 is in the shape of an arc-shaped plate structure. The holding component includes an integral plate 20, an auxiliary plate 21, a holding inclined plate 22, and a sliding plate 23. A sliding groove 19 in the shape of a square plate groove structure is opened on the surface of the installation box 1. The integral plate 20 and the auxiliary plate 21 are both in the shape of a square plate structure. The integral plate 20 is slidably connected to the surface of the sliding groove 19. The auxiliary plate 21 is fixed to one end of the integral plate 20. The holding inclined plate 22 is in the shape of an inclined square plate structure. The sliding plate 23 is integrally formed on one side of the holding inclined plate 22. The sliding plate 23 is in the shape of a "T"-shaped plate structure. The sliding plate 23 is slidably connected to one side of the auxiliary plate 21. And a "T"-shaped sliding groove matching with the sliding plate 23 is opened on one side of the auxiliary plate 21. A positioning bin 18 is arranged on the surface of the connecting rod two 8. The positioning bin 18 is in the shape of a square plate hollow structure. A guiding inclined groove 24 in the shape of an inclined square plate groove structure is opened on the surface of the positioning bin 18. And the holding inclined plate 22 is slidably connected to the surface of the guiding inclined groove 24. There are two groups of guiding inclined grooves 24, and the two groups of guiding inclined grooves 24 are symmetrically distributed about the center of the positioning bin 18. The positioning ball 15 passes through the notch groove 16 and is located in the positioning bin 18. The notch groove 16 is opened on the surface of the connecting rod two 8. One end of the holding inclined plate 22 contacts the surface of the positioning ball 15. A limiting rod 25 is movably inserted into the surface of the installation box 1. The limiting rod 25 is in the shape of a "T"-shaped cylinder structure. One end of the limiting rod 25 is movably inserted into the corresponding groove on the surface of the integral plate 20.A spring is provided between the limiting rod 25 and the installation box 1, and the spring is sleeved on the outside of the limiting rod 25. A hydraulic support assembly 26 is provided on the top surface of the installation box 1. When the hydraulic support assembly 26 needs to be moved as a whole, the electric telescopic rod 6 is driven, and its telescopic end drives the adjustment assembly to move along the surface of the connecting groove 9, thereby driving the roller 5 as a whole to move until the roller 5 contacts the ground, and the hydraulic support assembly 26 can be moved as a whole.

[0031] The integrated plate 20 is moved so that the auxiliary plate 21 on its surface approaches the positioning bin 18. During the movement of the auxiliary plate 21, the supporting inclined plate 22 on its surface moves along the surface of the guiding inclined groove 24. Therefore, the guiding inclined groove 24 can support the positioning ball 15. The positioning ball 15 is supported so that the bottom end of the limiting plate 12 moves toward the ground. Then, the limiting rod 25 is movably inserted into the corresponding groove on the surface of the integrated plate 20 to limit the integrated plate 20, that is, to limit the position of the limiting plate 12. At this time, the bottom end of the limiting plate 12 is in contact with the ground to prevent This prevents the hydraulic support assembly 26 from being displaced as a whole under the action of the roller 5, thereby affecting the supporting effect of the hydraulic support assembly 26 as a whole; under the action of the elastic plate 17, when the hydraulic support assembly 26 needs to be moved as a whole, the integrated plate 20 is moved back to its original position, and the limit plate 12 is supported by the elastic plate 17 and returns to its original position, without hindering the movement of the roller 5; the bottom of the installation box 1 will not contact the ground, so as not to affect the opening and closing of the door on one side of the installation box 1; this operation makes the roller 5 rise and fall the same distance, and the overall operation is more time-saving and labor-saving.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A mobile hydraulic support device for coal mines, characterized in that: The mobile hydraulic support device for coal mines includes: An installation box (1) with an installation platform (2) on its surface. A roller (5) is movably inserted on the surface of the installation platform (2). An adjustment component is arranged on the surface of the installation box (1) to adjust the height of the roller (5). A limiting component is movably inserted on the surface of the installation platform (2). A supporting component is slidably connected to the surface of the installation box (1) to limit the limiting component. The adjustment component includes a connecting rod one (7) and a connecting rod two (8). The supporting component includes an integral plate (20), an auxiliary plate (21), a supporting inclined plate (22), and a sliding plate (23). A sliding groove (19) is formed on the surface of the installation box (1). The sliding groove (19) is a square plate-shaped groove structure. Both the integral plate (20) and the auxiliary plate (21) are square plate-shaped structures. The integral plate (20) is slidably connected to the surface of the sliding groove (19). The auxiliary plate (21) is fixed at one end of the integral plate (20). The supporting inclined plate (22) is an inclined square plate-shaped structure. The sliding plate (23) is integrally formed on one side of the supporting inclined plate (22). The sliding plate (23) is a "T"-shaped plate structure. The sliding plate (23) is slidably connected to one side of the auxiliary plate (21), and a "T"-shaped sliding groove matching the sliding plate (23) is formed on one side of the auxiliary plate (21). A positioning bin (18) is arranged on the surface of the connecting rod two (8). The positioning bin (18) is a square plate-shaped hollow structure. A guiding inclined groove (24) is formed on the surface of the positioning bin (18). The guiding inclined groove (24) is an inclined square plate-shaped groove structure. And the supporting inclined plate (22) is slidably connected to the surface of the guiding inclined groove (24).

2. The mobile hydraulic support device for coal mines according to claim 1, characterized in that: The installation platform (2) is a square plate-shaped structure. The roller (5) includes an installation rod (3) and a roller seat (4). The installation rod (3) is a circular cylinder structure. The installation rod (3) is movably inserted on the surface of the installation platform (2). The roller seat (4) is fixed to the bottom surface of the installation rod (3). And the roller (5) is arranged on the roller seat (4). There are two groups of rollers (5), and the two groups of rollers (5) are symmetrically distributed about the center of the roller seat (4). And there are two groups of installation platforms (2), and the two groups of installation platforms (2) are symmetrically distributed about the center of the installation box (1).

3. The mobile hydraulic support device for coal mines according to claim 2, characterized in that: An electric telescopic rod (6) is arranged on the inner wall of the installation box (1). The connecting rod one (7) is fixed to the telescopic end of the electric telescopic rod (6). The connecting rod one (7) is an "L"-shaped plate structure. The connecting rod two (8) is fixed to one end of the connecting rod one (7). The connecting rod two (8) is a "T"-shaped plate structure. And both groups of installation rods (3) are fixed to the bottom surface of the connecting rod two (8). A connecting groove (9) in the shape of a "C"-shaped plate groove structure is formed on the surface of the installation box (1). The adjustment component is slidably connected to the surface of the connecting groove (9).

4. The mobile hydraulic support device for coal mines according to claim 3, characterized in that: The limiting assembly comprises a limiting plate (12), a guide plate (13), a positioning ball (15), and an elastic plate (17). A movable groove (11) is provided on the surface of the mounting platform (2). The limiting plate (12) is slidably connected to the surface of the movable groove (11). The guide plate (13) is fixed to the side of the limiting plate (12). The guide plate (13) is slidably connected to the surface of the guide groove (14). The guide groove (14) is provided on the surface of the movable groove (11). Two groups of guide grooves (14) are provided. The two groups of guide grooves (14) are symmetrically distributed about the center of the movable groove (11). The positioning ball (15) is fixed to the top surface of the limiting plate (12). The elastic plate (17) is fixed between the guide groove (14) and the guide plate (13). The elastic plate (17) is an arc-shaped plate structure.

5. The mobile hydraulic support device for coal mines according to claim 1, characterized in that: The guide chute (24) is provided in two groups, and the two groups of guide chute (24) are symmetrically distributed about the center of the positioning bin (18).

6. The mobile hydraulic support device for coal mines according to claim 5, characterized in that: The positioning ball (15) passes through the notch groove (16) and is located in the positioning chamber (18). The notch groove (16) is opened on the surface of the second connecting rod (8), and one end of the supporting inclined plate (22) contacts the surface of the positioning ball (15).

7. The mobile hydraulic support device for coal mines according to claim 6, characterized in that: The surface of the installation box (1) is movably connected to a limiting rod (25), the limiting rod (25) is a "T"-shaped column structure, one end of the limiting rod (25) is movably connected to a corresponding groove on the surface of the integrated plate (20), and a spring is provided between the limiting rod (25) and the installation box (1), the spring being sleeved on the outside of the limiting rod (25), and a hydraulic support assembly (26) is provided on the top surface of the installation box (1).

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