Supporting device for coal mine safety protection

Abstract

The utility model relates to the technical field of coal mine safety, in particular to a supporting device for coal mine safety protection, which comprises a first supporting plate, a second supporting plate, a supporting lifting mechanism, a distance adjusting mechanism and a movable fixing mechanism. The two first supporting plates are symmetrically arranged and are of an arch structure when spliced. The supporting lifting mechanism is arranged below the first supporting plate and used for supporting the first supporting plate and adjusting the height of the first supporting plate. The distance adjusting mechanism is arranged between the two supporting lifting mechanisms and used for adjusting the distance between the two first supporting plates. The movable fixing mechanism is arranged at the bottom of the supporting and lifting mechanism. And the second supporting plate is telescopically arranged below the first supporting plate. The two first supporting plates are of an arch structure when spliced and can be better attached to the inner top wall of the mine, and therefore the top of the mine is better supported. The distance between the two first supporting plates is adjustable, the supporting device can adapt to supporting of the tops in mines with different widths, and the second supporting plate can block a gap between the two first supporting plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mine safety technology more specifically, especially relates to a kind of support device for coal mine safety protection. BACKGROUND

[0002] In the process of coal mine safety production, the safety of working face needs to be ensured, and the collapse of the immediate roof in the working space needs to be prevented, so as to protect the working space and ensure the normal and safe operation of coal mining. A support device for coal mine safety protection is needed to support the inner wall of the mine.

[0003] The invention patent application with publication number CN118462261A discloses a coal mine underground safety protection device, which is provided with support plate one, support plate two and support plate three. The support plate two and the support plate three are telescopically arranged on both sides of the support plate one, so as to adjust the width of the support plate of the protection device as a whole, thereby adapting to the support and abutment of the inner wall of the mine with different widths. However, the support plate one is a flat plate structure with a fixed width, which results in poor adaptability of the protection device to the support of the inner top of the mine. SUMMARY

[0004] The utility model aims to provide a support device for coal mine safety protection that can solve the above problems.

[0005] A support device for coal mine safety protection includes a first support plate, a second support plate, a support lifting mechanism, a distance adjusting mechanism, and a moving and fixing mechanism. Two first support plates are symmetrically arranged and form an arch structure when combined. The support lifting mechanism is arranged below the first support plate to support the first support plate and adjust the height of the first support plate. The distance adjusting mechanism is arranged between the two support lifting mechanisms to adjust the distance between the two first support plates. The moving and fixing mechanism is arranged at the bottom of the support lifting mechanism. The second support plate is telescopically arranged below the first support plate.

[0006] Further, vertical plates are arranged on both sides of the upper part of the bottom surface of the first support plate. Slotted grooves are arranged on the inner sides of the vertical plates. Sliding bars are arranged on both sides of the second support plate and are adapted to the slotted grooves. The second support plate is slidingly connected to the vertical plates through the sliding bars. A first telescopic rod is arranged below the first support plate to move the second support plate.

[0007] Further, two second support plates are arranged below the two first support plates, respectively. The first telescopic rod is arranged on the side where the two second support plates are away from each other. A third support plate is arranged on the end of the top surface of the second support plate that is close to each other and can be lifted.

[0008] Further, the second support plate is arranged below one end of the two first support plates, the second support plate is slidably connected with the vertical plates below the two first support plates, and the first telescopic rod is arranged at one end of the second support plate adjacent to the slide bar.

[0009] Further, the first support plate is fixed with a mounting plate below, one end of the first telescopic rod is connected with one of the mounting plates, the other end is connected with the second support plate, the second support plate is provided with a guide rod, the guide rod is telescopically arranged and the two ends are fixedly connected with the two mounting plates.

[0010] Further, the support lifting mechanism comprises a support column and a lifting column arranged below the first support plate in sequence, the distance adjusting mechanism is arranged between the support columns below the two first support plates, and the distance adjusting mechanism is below the second support plate.

[0011] Further, the distance adjusting mechanism comprises an adjusting screw, an adjusting nut, an adjusting sleeve and a fixing nut, the adjusting nut is fixed in the middle of the adjusting screw, the threads of the two ends of the adjusting screw are opposite, the two adjusting sleeves are telescopically sleeved on the two ends of the adjusting screw, and the fixing nut is fixed on one end of the two adjusting sleeves away from each other and is screwed with the adjusting screw, and the other ends of the two adjusting sleeves are fixedly connected with the support columns.

[0012] Further, the moving fixing mechanism comprises a bottom plate, a moving wheel and a lifting support, the bottom plate is arranged at the bottom of the lifting column, the moving wheel is arranged on the bottom surface of the bottom plate and is provided with a brake structure, and the lifting support is mounted on the bottom plate.

[0013] Further, the lifting support comprises a fixed plate, a second telescopic rod and a supporting leg, the fixed plate is fixed on one side of the two bottom plates away from each other, the second telescopic rod is fixed on the fixed plate and the telescopic end extends through the fixed plate to below the fixed plate, and the supporting leg is arranged on the telescopic end of the second telescopic rod.

[0014] Further, a fourth support plate is further included, the fourth support plate is arranged at one end of the two first support plates away from each other, the fourth support plate is rotatably connected with the first support plate, a third telescopic rod is arranged between the support column and the fourth support plate, and the two ends of the third telescopic rod are hingedly connected with the support column and the fourth support plate respectively.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The supporting device for coal mine safety protection can better adhere to the inner top wall of the mine, thereby better supporting the top of the mine.

[0017] The supporting device for coal mine safety protection can better adhere to the inner top wall of the mine, thereby better supporting the top of the mine. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application, and together with the description serve to explain the present application, and do not limit the present application. In the drawings:

[0019] Figure 1 Figure 1 is a whole structure schematic view of the supporting device for coal mine safety protection in the embodiment one.

[0020] Figure 2 Figure 2 is a partial structure schematic view of the supporting device for coal mine safety protection in the embodiment one.

[0021] Figure 3 Figure 5 is a whole structure schematic view of the supporting device for coal mine safety protection in the embodiment two.

[0022] Figure 4 Figure 6 is a partial structure schematic view of the supporting device for coal mine safety protection in the embodiment two.

[0023] Figure 1 is a whole structure schematic view of the supporting device for coal mine safety protection in the embodiment one. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0025] Embodiment one:

[0026] As shown in Figure 1 , Figure 2 , the support device for coal mine safety protection in the embodiment comprises a first support plate 1, a second support plate 2, a support lifting mechanism, a distance adjusting mechanism and a moving fixing mechanism. Two first support plates 1 are symmetrically arranged and present an arch structure when spliced. The support lifting mechanism is arranged below the first support plate 1 and is used for supporting the first support plate 1 and adjusting the height of the first support plate 1. The distance adjusting mechanism is arranged between the two groups of support lifting mechanisms and is used for adjusting the distance between the two first support plates 1. The moving fixing mechanism is arranged at the bottom of the support lifting mechanism and is used for moving and fixing the position of the whole support device. The second support plate 2 is horizontally and telescopically arranged below the first support plate 1 and is used for plugging the gap between the two first support plates 1.

[0027] Specifically, in the embodiment, vertical plates 3 are arranged at the bottom of the two sides of the first support plate 1, and the vertical plates 3 are fixed to one end of the two first support plates 1 close to each other. One second support plate 2 is arranged below each first support plate 1, and the second support plate 2 is horizontally arranged. A sliding groove 4 is horizontally formed in the inner side of the vertical plate 3, and one end of the sliding groove 4 close to the vertical plate 3 on the other side is in communication with the outside. The two sides of the second support plate 2 close to the vertical plate 3 are fixed with sliding bars 5 matched with the sliding groove 4, and the second support plate 2 is slidingly connected with the vertical plate 3 through the sliding bars 5 and the sliding groove 4.

[0028] A mounting plate 8 is arranged below the first support plate 1, the mounting plate 8 is vertically and perpendicularly arranged with the sliding bar 5, and the mounting plate 8 is located outside the second support plate 2. A first telescopic rod 6 is arranged between the second support plate 2 and the mounting plate 8, the fixed end of the first telescopic rod 6 is fixedly connected with the mounting plate 8, and the telescopic end is fixedly connected with the second support plate 2. Preferably, the top surface of the second support plate 2 away from one end of the first telescopic rod 6 is provided with a third support plate 7 which can be lifted. When the two first support plates 1 are attached, the third support plate 7 is lowered to be accommodated below the first support plate 1, and when the second support plate 2 is extended, the third support plate 7 can be raised to support the top of the two mine shafts.

[0029] Specifically, a lifting rod 23 is arranged between the third support plate 7 and the second support plate 2, and the lifting rod 23 drives the third support plate 7 to be raised and lowered.

[0030] In the embodiment, the support lifting mechanism comprises support columns 10 and lifting columns 11 arranged in sequence below the first support plates 1, and the distance adjusting mechanism is arranged between the support columns 10 below the two first support plates 1 and below the second support plate 2. Preferably, two support columns 10 and lifting columns 11 are arranged below each first support plate 1 to ensure stability, and the mounting plate 8 is fixed between the two support columns 10.

[0031] In the embodiment, the distance adjusting mechanism comprises an adjusting screw 12, an adjusting nut 13, adjusting sleeves 14 and a fixing nut 15. The adjusting nut 13 is fixed to the middle of the adjusting screw 12, the threads at the two ends of the adjusting screw 12 are opposite in direction, the two adjusting sleeves 14 are telescopically arranged at the two ends of the adjusting screw 12, and the fixing nut 15 is fixed to one end of the two adjusting sleeves 14 close to each other and is screwed with the adjusting screw 12. The other end of the two adjusting sleeves 14 away from each other is fixedly connected with the support column 10. By rotating the adjusting nut 13, the length of the adjusting screw 12 inserted into the adjusting sleeve 14 at the two ends is adjusted to achieve the purpose of adjusting the distance between the two first support plates 1.

[0032] In the embodiment, the moving fixing mechanism comprises a base plate 16, moving wheels 17 and a lifting support. The base plate 16 is arranged at the bottom of the lifting column 11, the moving wheels 17 are arranged on the bottom surface of the base plate 16 and are provided with a braking structure, and the lifting support is installed on the base plate 16. Specifically, the lifting support comprises a fixed plate 18, a second telescopic rod 19 and a supporting leg 20. The fixed plate 18 is fixed to one side of the two base plates 16 away from each other, the second telescopic rod 19 is fixed to the fixed plate 18 and the telescopic end thereof extends through the fixed plate 18 to below the fixed plate 18, and the supporting leg 20 is arranged at the telescopic end of the second telescopic rod 19. By adjusting the length of the telescopic end of the second telescopic rod 19, the supporting leg 20 is in contact with or separated from the ground, so that the moving wheels 17 are separated from or in contact with the ground. When the moving wheels 17 are in contact with the bottom surface, the support device can be moved, and when the moving wheels 17 are separated from the ground, the position of the support device is fixed, and the mine can be supported.

[0033] The support device for coal mine safety protection in the embodiment further comprises a fourth support plate 21 arranged at one end of the two first support plates 1 away from each other and rotatably connected with the first support plate 1. A third telescopic rod 22 is arranged between the support column 10 and the fourth support plate 21, and the two ends of the third telescopic rod 22 are respectively hingedly connected with the support column 10 and the fourth support plate 21. By adjusting the length of the third telescopic rod 22, the angle of the fourth support plate 21 is adjusted to support the inner side wall of the mine.

[0034] In this embodiment, the first telescopic rod 6, the second telescopic rod 19, the third telescopic rod 22, the lifting rod 23, and the lifting column 11 can be hydraulic rods, hydraulic cylinders, electric telescopic rods, electric push rods, or electro-hydraulic push rods.

[0035] Example 2:

[0036] like Figure 3 , Figure 4 As shown, in this embodiment, only one second support plate 2 is provided, and the second support plate 2 is located below the two first support plates 1 that are close to each other. The second support plate 2 and the vertical plates 3 below the two first support plates 1 are slidably connected. The first telescopic rod 6 is located at one end of the second support plate 2 adjacent to the slide bar 5. The fixed end of the first telescopic rod 6 is fixedly connected to one of the mounting plates 8, and the telescopic end is fixedly connected to the second support plate 2. A liftable third support plate 7 is provided in the middle of the second support plate 2. A lifting rod 23 is provided between the third support plate 7 and the second support plate 2. The lifting rod 23 drives the third support plate 7 to rise and fall.

[0037] Preferably, the second support plate 2 is provided with a guide rod 9, which is telescopically oriented and its two ends are fixedly connected to the two mounting plates 8 respectively. Specifically, the guide rod 9 is parallel to the first telescopic rod 6 and is composed of a guide sleeve and a rod body. The second support plate 2 is slidably sleeved on the guide sleeve, and the rod body is telescopically inserted into the guide sleeve. The ends of the guide sleeve and the rod body that are far apart from each other are fixedly connected to the two mounting plates 8 respectively.

[0038] In this embodiment, the first telescopic rod 6, the second telescopic rod 19, the third telescopic rod 22, the lifting rod 23, and the lifting column 11 can also be hydraulic rods, hydraulic cylinders, electric telescopic rods, electric push rods, or electro-hydraulic push rods.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A support device for safety protection in coal mines, characterized by, The utility model relates to a kind of movable support mechanism, including: First support plate (1), two described first support plate (1) symmetry is set and is split when being arched structure; Support lifting mechanism, the support lifting mechanism is set below the first support plate (1), for supporting the first support plate (1) and adjusting the height of the first support plate (1); Distance adjusting mechanism, the distance adjusting mechanism is set between two support lifting mechanisms, for adjusting the distance between two first support plate (1); Mobile fixed mechanism, the mobile fixed mechanism is set in the bottom of the support lifting mechanism;And Second support plate (2), the second support plate (2) can be telescopic and set below the first support plate (1).

2. The support device for coal mine safety protection according to claim 1, characterized in that, The upper portion of the bottom surface of the first support plate (1) is provided with a vertical plate (3) on both sides, the inner side of the vertical plate (3) is provided with a sliding groove (4), the second support plate (2) is provided with a sliding bar (5) matched with the sliding groove (4) on both sides, the second support plate (2) is connected with the vertical plate (3) through the sliding bar (5), and the first telescopic rod (6) is arranged below the first support plate (1). The first telescopic rod (6) is used to drive the second support plate (2) to move.

3. The support device for coal mine safety protection according to claim 2, characterized in that, Two second support plates (2) are arranged below two first support plates (1) respectively, the first telescopic rod (6) is arranged on the side away from each other of the two second support plates (2), and a third support plate (7) is arranged on the end of the top surface of the second support plate (2) close to each other.

4. The support device for coal mine safety protection according to claim 2, characterized in that, The second support plate (2) is arranged below the end close to each other of the two first support plates (1), the second support plate (2) and the vertical plate (3) below the two first support plates (1) are connected with each other, and the first telescopic rod (6) is arranged on one end of the second support plate (2) adjacent to the sliding bar (5). The second support plate (2) is provided with a third support plate (7) which can be lifted in the middle.

5. The support device for coal mine safety protection according to claim 4, characterized in that, The first telescopic rod (6) is connected with one of the mounting plates (8) on one end and connected with the second support plate (2) on the other end, the second support plate (2) is provided with a guide rod (9), the guide rod (9) is arranged in an extendable manner and both ends are fixedly connected with two mounting plates (8) respectively.

6. The support device for coal mine safety protection according to any one of claims 3-5, characterized in that, The support lifting mechanism includes a support column (10) and a lifting column (11) arranged below the first support plate (1) in sequence, the distance adjusting mechanism is arranged between the support columns (10) below the two first support plates (1), and the distance adjusting mechanism is below the second support plate (2).

7. The support device for coal mine safety protection according to claim 6, characterized in that, The distance adjusting mechanism comprises an adjusting screw (12), an adjusting nut (13), adjusting sleeves (14) and a fixing nut (15), the adjusting nut (13) is fixed in the middle of the adjusting screw (12), the thread directions of the two ends of the adjusting screw (12) are opposite, the two adjusting sleeves (14) are telescopically sleeved on the two ends of the adjusting screw (12), the fixing nut (15) is fixed on the end of the two adjusting sleeves (14) close to each other and is screwed with the adjusting screw (12), and the ends of the two adjusting sleeves (14) away from each other are fixedly connected with the support column (10).

8. The support device for coal mine safety protection according to claim 7, characterized in that, The moving fixing mechanism comprises a bottom plate (16), moving wheels (17) and a lifting support, the bottom plate (16) is arranged at the bottom of the lifting column (11), the moving wheels (17) are arranged on the bottom surface of the bottom plate (16) and are provided with a braking structure, and the lifting support is installed on the bottom plate (16).

9. The support device for coal mine safety protection according to claim 8, characterized in that, The lifting support comprises a fixed plate (18), a second telescopic rod (19) and a supporting leg (20), the fixed plate (18) is fixed on the side of the two bottom plates (16) away from each other, the second telescopic rod (19) is fixed on the fixed plate (18) and extends through the fixed plate (18) to below the fixed plate (18) at the telescopic end, and the supporting leg (20) is arranged at the telescopic end of the second telescopic rod (19).

10. The support device for coal mine safety protection according to claim 9, characterized in that, A fourth support plate (21) is further arranged on the end of the two first support plates (1) away from each other, the fourth support plate (21) is rotationally connected with the first support plate (1), a third telescopic rod (22) is arranged between the support column (10) and the fourth support plate (21), and the two ends of the third telescopic rod (22) are respectively hinged with the support column (10) and the fourth support plate (21).

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