Telescopic structure of temporary supporting device for coal mine tunneling

Abstract

The utility model discloses a telescopic structure of a temporary supporting device for coal mine tunneling, which comprises a protective plate, and an adjustable telescopic mechanism and a supporting mechanism are mounted on the protective plate; the adjustable telescopic mechanism comprises a fixing plate, a first connecting block, a first rotating shaft, a second connecting block and a telescopic rod, and connecting holes are formed in the first connecting block and the second connecting block. According to the supporting device, the adjustable telescopic mechanism, the fixing plate, the first connecting block, the first rotating shaft, the second connecting block and the telescopic rod are connected, so that the adjusting function of the supporting device can be enhanced, the practicability in the using process can be improved, and convenience is provided for a user; the height of the protector can be adjusted by installing a supporting mechanism, a first arc-shaped block, a second rotating shaft, a second arc-shaped block, an electric telescopic rod and a fixing base and an inserting and embedding rod in a supporting assembly, and the fixing degree of the temporary protector can be enhanced at the needed position.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine equipment, in particular to a telescopic structure of a temporary support device for coal mine excavation. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. Therefore, a temporary support device is provided during coal mine excavation work in order to maintain coal mining work.

[0003] The existing temporary supports for coal mine excavation have the following disadvantages:

[0004] 1. Although the existing temporary supports for coal mine excavation have certain adjustment functions, they are not very practical during use and have a high risk factor;

[0005] 2. The support range of the existing temporary support device for coal mine excavation is limited to a certain extent, which cannot meet the needs of a higher degree of protection and the degree of fixation is insufficient, and there are certain limitations in use. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a telescopic structure of a temporary support device for coal mine excavation.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A telescopic structure of a temporary support for coal mine excavation, comprising a protective plate, on which an adjustable telescopic mechanism and a supporting mechanism are mounted;

[0009] The adjustable telescopic mechanism includes a fixed plate, a first connecting block, a first rotating shaft, a second connecting block and a telescopic rod, the first connecting block and the second connecting block are both provided with connecting holes, the first connecting block and the second connecting block are rotatably connected through the first rotating shaft, the top outer wall of the first connecting block is installed on one side outer wall of the fixed plate, and one end of the telescopic rod is welded to the other side of the second connecting block.

[0010] Through the above scheme, the adjustable telescopic mechanism is installed, and the connection setting of the fixed plate, the first connecting block, the first rotating shaft, the second connecting block and the telescopic rod can enhance the adjustment function of the support, improve the practicality during use, and provide convenience for the user.

[0011] Preferably, the supporting mechanism comprises a first arc block, a second rotating shaft, a second arc block, an electric telescopic rod and a supporting assembly, the bottom of the first arc block and the top of the second rotating shaft are rotatably connected via the second rotating shaft, and the top of the electric telescopic rod is welded to the bottom outer wall of the second arc block.

[0012] Through the above scheme, the support mechanism is installed, and the installation of the first arc block, the second rotating shaft, the second arc block, the electric telescopic rod and the fixing seat and the inserting rod in the support assembly can adjust the height of the protector and strengthen the fixation of the temporary protector at the required position.

[0013] Preferably, the support assembly comprises a fixing seat and an inserting rod, and both ends of the fixing seat are slidably connected with the inserting rod.

[0014] Preferably, the other end of the electric telescopic rod is fixedly connected to the surface of the fixing seat, and the bottom of the telescopic rod is fixedly connected to an inner wall on one side of the bottom of the electric telescopic rod.

[0015] Preferably, the top surface of the fixing plate is fixedly connected to the bottom surface of the protective plate.

[0016] Preferably, a biaxial stretching component is installed in the middle of the protective plate, and the fixed plate is formed by connecting two connecting plates.

[0017] The beneficial effects of the utility model are:

[0018] 1. By installing an adjustable telescopic mechanism, the connection arrangement of the fixed plate, the first connecting block, the first rotating shaft, the second connecting block and the telescopic rod can enhance the adjustment function of the support, improve the practicality during use, and provide convenience for the user;

[0019] 2. By installing the support mechanism, the first arc block, the second rotating shaft, the second arc block, the electric telescopic rod and the installation of the fixing seat and the inserting rod in the support assembly, the height of the protector can be adjusted, and the fixing degree of the temporary protector can be strengthened at the required position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a telescopic structure of a temporary support device for coal mine excavation proposed by the utility model;

[0021] Figure 2 This is a structural side view of a telescopic structure of a temporary support device for coal mine excavation proposed by the utility model;

[0022] Figure 3 The utility model discloses a structural side view of a supporting mechanism of a telescopic structure of a temporary support device for coal mine excavation.

[0023] In the figure: 1. protective plate; 2. two-way telescopic assembly; 3. fixed plate; 4. first connecting block; 5. first rotating shaft; 6. second connecting block; 7. telescopic rod; 8. first arc block; 9. second rotating shaft; 10. second arc block; 11. electric telescopic rod; 12. fixed seat; 13. embedded rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1, reference Figure 1 and Figure 2 , a telescopic structure of a temporary support for coal mine excavation, comprising a protective plate 1, on which an adjustable telescopic mechanism and a supporting mechanism are installed;

[0026] The adjustable telescopic mechanism includes a fixed plate 3, a first connecting block 4, a first rotating shaft 5, a second connecting block 6 and a telescopic rod 7. The first connecting block 4 and the second connecting block 6 are both provided with connecting holes. The first connecting block 4 and the second connecting block 6 are rotatably connected through the first rotating shaft 5. The top outer wall of the first connecting block 4 is installed on the outer wall of one side of the fixed plate 3. One end of the telescopic rod 7 is welded to the other side of the second connecting block 6. The adjustable telescopic mechanism is installed. The connection arrangement of the fixed plate 3, the first connecting block 4, the first rotating shaft 5, the second connecting block 6 and the telescopic rod 7 can enhance the adjustment function of the support, improve the practicability during use, and provide convenience for the user.

[0027] Example 2, reference Figure 2 and Figure 3 The supporting mechanism includes a first arc block 8, a second rotating shaft 9, a second arc block 10, an electric telescopic rod 11 and a supporting assembly. The bottom of the first arc block 8 is rotatably connected to the top of the second rotating shaft 9 through the second rotating shaft 9. The top of the electric telescopic rod 11 is welded to the bottom outer wall of the second arc block 10. The supporting mechanism is installed. The installation of the first arc block 8, the second rotating shaft 9, the second arc block 10, the electric telescopic rod 11 and the fixing seat 12 and the inserting rod 13 in the supporting assembly can adjust the height of the protector, and can strengthen the fixation of the temporary protector at the required position.

[0028] Example 3, reference Figure 1 The supporting assembly includes a fixed seat 12 and an embedded rod 13. Both ends of the fixed seat 12 are slidably connected with the embedded rod 13. The other end of the electric telescopic rod 11 is fixedly connected to the surface of the fixed seat 12. The bottom of the telescopic rod 7 is fixedly connected to the inner wall of the bottom side of the electric telescopic rod 11. The top surface of the fixed plate 3 is fixedly connected to the bottom surface of the protective plate 1. A biaxial stretching assembly 2 is installed in the middle of the protective plate 1. The fixed plate 3 is formed by two connecting plates connected together.

[0029] Working principle: Through the connection setting of the fixed plate 3, the first connecting block 4, the first rotating shaft 5, the second connecting block 6 and the telescopic rod 7 in the adjustable telescopic mechanism, the adjustment function of the support can be enhanced, the practicality during use can be improved, and convenience is provided for the user; through the installation of the first arc block 8, the second rotating shaft 9, the second arc block 10, the electric telescopic rod 11 and the fixed seat 12 and the embedded rod 13 in the support assembly, the height of the protector can be adjusted, and the fixation degree of the temporary protector can be strengthened at the required position.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A telescopic structure of a temporary support device for coal mine excavation, comprising a protective plate (1), characterized in that: The protective plate (1) is equipped with an adjustable telescopic mechanism and a supporting mechanism; The adjustable telescopic mechanism comprises a fixed plate (3), a first connecting block (4), a first rotating shaft (5), a second connecting block (6) and a telescopic rod (7); the first connecting block (4) and the second connecting block (6) are both provided with connecting holes; the first connecting block (4) and the second connecting block (6) are rotatably connected via the first rotating shaft (5); the top outer wall of the first connecting block (4) is mounted on an outer wall of one side of the fixed plate (3); and one end of the telescopic rod (7) is welded to the other side of the second connecting block (6).

2. The telescopic structure of a temporary support device for coal mine excavation according to claim 1 is characterized in that: The support mechanism comprises a first arc block (8), a second rotating shaft (9), a second arc block (10), an electric telescopic rod (11) and a support assembly, wherein the bottom of the first arc block (8) is rotatably connected to the top of the second rotating shaft (9) via the second rotating shaft (9), and the top of the electric telescopic rod (11) is welded to the bottom outer wall of the second arc block (10).

3. The telescopic structure of a temporary support device for coal mine excavation according to claim 2 is characterized in that: The support assembly comprises a fixed seat (12) and an inserting rod (13), and both ends of the fixed seat (12) are slidably connected to the inserting rod (13).

4. The telescopic structure of a temporary support device for coal mine excavation according to claim 3 is characterized in that: The other end of the electric telescopic rod (11) is fixedly connected to the surface of the fixing seat (12), and the bottom of the telescopic rod (7) is fixedly connected to the inner wall on one side of the bottom of the electric telescopic rod (11).

5. The telescopic structure of a temporary support device for coal mine excavation according to claim 1 is characterized in that: The top surface of the fixing plate (3) is fixedly connected to the bottom surface of the protection plate (1).

6. The telescopic structure of a temporary support device for coal mine excavation according to claim 1, characterized in that: A biaxially stretched component (2) is installed in the middle of the protective plate (1), and the fixed plate (3) is formed by connecting two connecting plates.

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