Supporting device for coal mine roadway tunneling

Abstract

The utility model discloses a supporting device for coal mine tunnel excavation, which comprises a mounting bottom plate, a single hydraulic prop is arranged at the center position above the mounting bottom plate, the upper part of the single hydraulic prop is connected with a supporting column, two sides of the top of the supporting column are respectively provided with a connecting lug plate I, and the connecting lug plates I are rotatably connected with one end of an arc-shaped supporting plate; a central circular groove is formed in the center of the interior of the supporting column, sliding grooves are formed in the portions, on the two sides of the central circular groove, of the side wall of the supporting column correspondingly, a threaded rod is longitudinally arranged in the central circular groove, the top of the threaded rod is connected with a rotating motor, the threaded rod is sleeved with a threaded sleeve block, and third connecting lug plates are arranged on the two sides of the threaded sleeve block correspondingly; the interior of the third connecting lug plate is rotationally connected with one end of a rotating rod, the other end of the rotating rod is rotationally connected with the interior of a second connecting lug plate, and the second connecting lug plate is arranged on the inner side of the arc-shaped supporting plate. The roadway supporting device is convenient to support a roadway when being used or is convenient to store and transport when not being used.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine hydraulic supports, in particular to a supporting device for coal mine roadway tunneling. Background Technique

[0002] A coal mine is an area where humans mine coal resources in a coal-rich mining area, which is a reasonable space excavated by humans when digging a coal-rich geological layer, usually including roadways, shafts, mining faces, and so on.

[0003] When tunneling a coal mine roadway, in order to avoid roof collapse and causing injuries to personnel, a supporting device is usually set in the roadway. In order to increase the supporting range of the supporting device, a support plate or a support beam matching the shape of the roadway roof is usually set on the top of the supporting device to increase the supporting effect on the roof. However, after setting the support plate or the support beam, the volume of the supporting device will increase, and it is inconvenient to store and transport when not in use.

[0004] Therefore, a supporting device for coal mine roadway tunneling is proposed for the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a supporting device for coal mine roadway tunneling. The supporting device includes a mounting base plate. A single hydraulic prop is arranged at the central position above the mounting base plate. The single hydraulic prop is connected with a support column above. Two connecting ear plates I are respectively arranged on both sides of the top of the support column. One end of the arc-shaped support plate is rotatably connected with the connecting ear plate I. A central circular groove is opened at the central position inside the support column. Sliding grooves are respectively opened on the side walls of the support column on both sides of the central circular groove. A threaded rod is longitudinally arranged inside the central circular groove. The top of the threaded rod is connected with a rotating motor. A threaded sleeve block is sleeved outside the threaded rod. Two connecting ear plates III are respectively arranged on both sides of the threaded sleeve block. One end of a rotating rod is rotatably connected with the inside of the connecting ear plate III. The other end of the rotating rod is rotatably connected with the inside of the connecting ear plate II. The connecting ear plate II is arranged inside the arc-shaped support plate.

[0006] Preferably, fixing holes are respectively opened on both sides of the mounting base plate.

[0007] Preferably, the connecting ear plate II is slidably arranged in the sliding groove.

[0008] Preferably, the rotating motor is fixedly connected with the support column, and the bottom end of the threaded rod is rotatably connected with the support column.

[0009] Preferably, the single hydraulic prop is replaced by an electric telescopic column.

[0010] Preferably, the arc-shaped support plate is replaced by a horizontal support plate.

[0011] Preferably, a control panel is provided on the outer front surface of the mounting base plate, and the control panel is electrically connected to the rotating motor.

[0012] Preferably, when an electric telescopic column is adopted, the control panel is also electrically connected to the electric telescopic column.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the present utility model, by providing a rotating motor, a threaded rod, a threaded sleeve block, a rotating rod, and an arc-shaped support plate, the rotating motor drives the threaded rod to rotate, the rotation of the threaded rod drives the threaded sleeve block to move, the movement of the threaded sleeve block drives the connecting ear plate three to move, and then the rotating rod rotates. The rotation of the rotating rod drives the arc-shaped support plate to rotate, so as to support or lower the arc-shaped support plate, which is convenient for supporting the roadway roof during use or for storing and transporting the support device when not in use.

[0015] In the present utility model, by providing a single hydraulic prop, starting the single hydraulic prop can realize the lifting of the support column, and then it is convenient to adjust the height of the arc-shaped support plate according to the height of the roadway. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the external structural schematic diagram of the present utility model;

[0017] Figure 2 is the internal structural schematic diagram of the present utility model.

[0018] The reference numerals and names in the drawings are as follows:

[0019] 1. Mounting base plate; 101. Fixed hole; 2. Control panel; 3. Single hydraulic prop; 4. Support column; 401. Central circular groove; 402. Sliding groove; 5. Connecting ear plate one; 6. Arc-shaped support plate; 7. Connecting ear plate two; 8. Rotating rod; 9. Connecting ear plate three; 10. Threaded rod; 11. Threaded sleeve block; 12. Rotating motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] As shown in the attached Figure 1 、 2As shown, the utility model provides a supporting device for coal mine tunnel excavation, including a mounting base plate 1, a single hydraulic prop 3 is arranged at the center position above the mounting base plate 1, and the single hydraulic prop 3 is connected to the support column 4 on the top, and connecting ear plates 5 are respectively arranged on both sides of the top of the support column 4, and the connecting ear plate 5 is rotatably connected to one end of the arc-shaped support plate 6, a central circular groove 401 is opened at the center position inside the support column 4, and sliding grooves 402 are respectively opened on the side walls of the support column 4 on both sides of the central circular groove 401, a threaded rod 10 is longitudinally arranged inside the central circular groove 401, the top of the threaded rod 10 is connected to the rotating motor 12, the threaded rod 10 is externally sleeved with a threaded sleeve block 11, and connecting ear plates three 9 are respectively arranged on both sides of the threaded sleeve block 11, the connecting ear plate three 9 is rotatably connected to one end of the rotating rod 8 inside, and the other end of the rotating rod 8 is rotatably connected to the connecting ear plate two 7 inside, and the connecting ear plate two 7 is arranged on the inner side of the arc-shaped support plate 6.

[0022] Specifically, fixing holes 101 are respectively opened on both sides of the installation base plate 1, and the installation nails are nailed into the base plate through the fixing holes 101, so as to improve the stability of fixing the supporting device.

[0023] Specifically, the second connecting ear plate 7 is slidably disposed in the sliding groove 402 .

[0024] Specifically, the rotating motor 12 is fixedly connected to the supporting column 4 , and the bottom end of the threaded rod 10 is rotatably connected to the supporting column 4 .

[0025] Specifically, the single hydraulic support column 3 may also be replaced by an electric telescopic column.

[0026] Specifically, the arc-shaped support plate 6 can also be replaced by a horizontal support plate.

[0027] Specifically, a control panel 2 is disposed on the outer front surface of the mounting base plate 1, and the control panel 2 is electrically connected to the rotating motor 12. When an electric telescopic column is used, the control panel 2 is also electrically connected to the electric telescopic column.

[0028] The single hydraulic support 3 is a well-known device in the art and will not be described in detail here.

[0029] Working principle: When in use, the rotating motor 12 drives the threaded rod 10 to rotate, the rotation of the threaded rod 10 drives the threaded sleeve block 11 to move upward, the upward movement of the threaded sleeve block 11 drives the connecting ear plate 3 9 to move upward, and then the connecting ear plate 3 9 drives the rotating rod 8 to rotate and move, the rotating rod 8 rotates and moves to drive the arc support plate 6 to rotate and move, so as to prop up the arc support plate 6, and then lift the single hydraulic support 3, and the support column 4 rises with it, and the height of the arc support plate 6 is adjusted according to the height of the roadway;

[0030] When not in use, the rotating motor 12 drives the threaded rod 10 to rotate. The rotation of the threaded rod 10 drives the threaded sleeve block 11 to move downward. The downward movement of the threaded sleeve block 11 drives the third connecting ear plate 9 to move downward. Further, the third connecting ear plate 9 drives the rotating rod 8 to rotate and move. The rotation and movement of the rotating rod 8 drive the arc-shaped support plate 6 to rotate and move. Thus, the arc-shaped support plate 6 is lowered. Then, the single hydraulic support 3 is retracted, and the support column 4 retracts accordingly, so as to store the support device, which is convenient for subsequent transportation.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A support device for coal mine roadway tunneling, the support device comprising a mounting base plate, characterized in that: A single hydraulic prop is arranged at the center position above the installation base plate. The upper part of the single hydraulic prop is connected to a support column. On both sides of the top of the support column, connecting ear plates I are respectively arranged. One end of the connecting ear plate I is rotatably connected to one end of an arc-shaped support plate. A central circular groove is formed at the center position inside the support column. Sliding grooves are respectively formed on the side walls of the support column on both sides of the central circular groove. A threaded rod is longitudinally arranged inside the central circular groove. The top of the threaded rod is connected to a rotating motor. A threaded sleeve block is sleeved outside the threaded rod. On both sides of the threaded sleeve block, connecting ear plates III are respectively arranged. One end of a rotating rod is rotatably connected to the inside of the connecting ear plate III. The other end of the rotating rod is rotatably connected to the inside of a connecting ear plate II. The connecting ear plate II is arranged inside the arc-shaped support plate.

2. The support device for coal mine roadway tunneling according to claim 1, characterized in that: Fixing holes are respectively formed on both sides of the installation base plate.

3. The support device for coal mine roadway tunneling according to claim 1, characterized in that: The connecting ear plate II is slidably arranged in the sliding groove.

4. The support device for coal mine roadway tunneling according to claim 1, wherein: The rotating motor is fixedly connected to the support column, and the bottom end of the threaded rod is rotatably connected to the support column.

5. The support device for coal mine roadway tunneling according to claim 1, wherein: The single hydraulic prop is replaced by an electric telescopic column.

6. The supporting device for coal mine roadway tunneling according to any one of claims 1-5, characterized in that: The arc-shaped support plate is replaced by a horizontal support plate.

7. The support device for coal mine roadway tunneling according to claim 5, characterized in that: A control panel is arranged on the front surface outside the installation base plate. The control panel is electrically connected to the rotating motor.

8. The support device for coal mine roadway tunneling according to claim 7, wherein: When the electric telescopic column is adopted, the control panel is also electrically connected to the electric telescopic column.

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