Mining single hydraulic prop

Abstract

The mining single hydraulic prop comprises a deformation base, a cylinder body, a top column and a supporting seat, the cylinder body is a column body with a shell at the top, the deformation base is arranged on the bottom face of the cylinder body, the lower end of the top column is arranged in an inner cavity of the cylinder body, the top column is of a columnar structure, and the section of the top column is matched with the shape and size of an opening of the cylinder body. The shape of the bottom contact surface of the deformation base is variable, a supporting structure is arranged between the periphery of the contact surface of the deformation base and the outer wall of the cylinder body, the supporting seat is arranged on the top surface of the top column, and the upper surface of the supporting seat is of a plane structure with positioning protrusions. According to the technical scheme, the flexible base is adopted, the deformation bottom face makes full contact with the ground, the contact area is kept maximum as much as possible, rigid body contact is provided through the annular frame, slippage caused by too large flexible deformation is avoided, and meanwhile an installation foundation is provided for lateral supporting. And stable support is continuously provided for the roadway.

Description

Technical Field

[0001] The utility model relates to the field of mine tunnel support, in particular to a single hydraulic prop for mining. Background Art

[0002] my country is rich in mineral resources, with mature drilling and mining equipment and increasingly sophisticated mining technology. With the shortage of energy, the pace of coal mining in my country is accelerating. In mining operations, single hydraulic props are frequently used. For example, when supporting underground tunnels and mining working faces, single hydraulic props are often used in conjunction with metal articulated top beams for support. Single hydraulic props are a new type of environmentally friendly support equipment. They can be matched with metal articulated top beams for high-end general mining and blasting working face support roofs and comprehensive mining working face support ends. They can also be used alone as point columns or other temporary supports.

[0003] Due to the complex structure of mine layers in my country, single hydraulic pillars often tilt or even fall during the support process, causing the supported mine tunnel to collapse and resulting in casualties among workers. In the case of tilting of the hydraulic pillars, the hydraulic pillars can only be dismantled and reinstalled, which is time-consuming and labor-intensive, and reduces work efficiency.

[0004] A mining single hydraulic prop is now needed to solve the above problems. Utility Model Content

[0005] The utility model is to solve the problem in the prior art that due to the complex structure of my country's mine layers, single hydraulic pillars often tilt or even topple during the support process, causing the supported mine tunnel to collapse and resulting in casualties among workers. In response to the situation where the hydraulic pillars tilt, the hydraulic pillars can only be dismantled and reinstalled, which is time-consuming and labor-intensive and reduces work efficiency. A single hydraulic pillar for mining is provided, which adopts a flexible base to solve the above problems.

[0006] The utility model provides a single hydraulic prop for mining, comprising a deformable base, a cylinder body, a top column and a support seat. The cylinder body is a column with a shell drawn from the top. The deformable base is arranged on the bottom surface of the cylinder body. The lower end of the top column is arranged in the inner cavity of the cylinder body. The top column is a columnar structure. The cross section of the top column matches the shape and size of the cylinder body opening. The deformable base has a variable bottom contact surface shape. A support structure is arranged between the outer periphery of the deformable base contact surface and the outer wall of the cylinder body. The support seat is arranged on the top surface of the top column. The upper surface of the support seat is a planar structure with a positioning protrusion.

[0007] The utility model is a single hydraulic prop for mining, and as an optimal embodiment, the cylinder body and the top pillar are both rotating body structures.

[0008] The utility model describes a single hydraulic support for mining, as a preferred embodiment, the deformable base includes a flexible deformable pad, an elastic contact pad, a friction pair layer, a plurality of movable support rods, a frame and a base body, the base body is a cylindrical rigid body with a shell drawn from the top surface, the elastic contact pad is arranged on the bottom surface of the base body, the frame is a metal ring structure, the flexible deformable pad is an annular soft material, the inner wall of the flexible deformable pad is connected to the elastic contact pad, the friction pair layer is arranged on the bottom surface of the flexible deformable pad, the frame is arranged on the outer periphery of the flexible deformable pad, the hardness of the elastic contact pad is greater than that of the flexible deformable pad, the movable support rod is a retractable structure, one end of the movable support rod is evenly arranged on the frame, and the other end is connected to the side wall of the base body.

[0009] The utility model discloses a single hydraulic prop for mining, in which, as a preferred embodiment, a screw hole is provided at the bottom of the top prop.

[0010] The utility model describes a single hydraulic prop for mining, as a preferred embodiment, the base body includes a base shell, a boosting gear, a horizontal shaft, a boosting lever, a screw and a lifting gear, the boosting gear, the horizontal shaft, the boosting lever, the screw and the lifting gear are all arranged in the base shell, the boosting gear is a bevel gear, the lifting gear is vertically meshed with the boosting gear, the boosting gear has fewer teeth than the lifting gear, the lifting gear is fixed to the bottom end of the screw, a threaded hole is provided at the bottom of the top column, the screw is threadedly connected to the screw hole of the top column, the boosting gear is fixed on the horizontal shaft, the horizontal shaft is horizontally arranged, the horizontal shaft passes through the side surface of the base, and the boosting lever is vertically fixed to the end of the horizontal shaft arranged outside the base.

[0011] In the mining-use single hydraulic prop described in the utility model, as a preferred embodiment, the movable support rod is a hydraulic support rod or a pneumatic support rod.

[0012] The beneficial effects of the utility model are as follows:

[0013] This technical solution uses a flexible base, which is deformed to fully contact the ground, maximizing the contact area. The annular frame provides rigid contact to prevent slippage caused by excessive flexible deformation, while also providing a foundation for lateral support. This provides continuous and stable support for the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a single hydraulic prop for mining;

[0015] Figure 2 This is a schematic diagram of a deformable base of a single hydraulic prop for mining;

[0016] Figure 3 This is a schematic diagram of a single hydraulic prop base body for mining.

[0017] Reference numerals:

[0018] 1. Deformable base; 11. Flexible deformable pad; 12. Elastic contact pad; 13. Friction pair layer; 14. Movable support rod; 15. Frame; 16. Base body; 161. Base shell; 162. Boosting gear; 163. Horizontal axis; 164. Boosting lever; 165. Screw; 166. Lifting gear; 2. Cylinder body; 3. Jack column; 4. Support seat. DETAILED DESCRIPTION

[0019] 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 the embodiments.

[0020] Example 1

[0021] like Figure 1 As shown, a single hydraulic prop for mining includes a deformable base 1, a cylinder body 2, a top column 3 and a support seat 4. The cylinder body 2 is a column with a shell pulled out from the top. The deformable base 1 is arranged on the bottom surface of the cylinder body 2, and the lower end of the top column 3 is arranged in the inner cavity of the cylinder body 2. The top column 3 is a columnar structure, and the cross-section of the top column 3 matches the shape and size of the opening of the cylinder body 2. The shape of the bottom contact surface of the deformable base 1 is variable, and a supporting structure is arranged between the outer periphery of the contact surface of the deformable base 1 and the outer wall of the cylinder body 2. The support seat 4 is arranged on the top surface of the top column 3, and the upper surface of the support seat 4 is a planar structure with a positioning protrusion.

[0022] The cylinder body 2 and the top column 3 are both rotating body structures.

[0023] like Figure 2 As shown, the deformable base 1 includes a flexible deformable pad 11, an elastic contact pad 12, a friction pair layer 13, several movable support rods 14, a frame 15, and a base body 16. The base body 16 is a cylindrical rigid body with a shell on the top surface. The elastic contact pad 12 is arranged on the bottom surface of the base body 16. The frame 15 is a metal ring structure. The flexible deformable pad 11 is an annular soft material. The inner wall of the flexible deformable pad 11 is connected to the elastic contact pad 12. The friction pair layer 13 is arranged on the bottom surface of the flexible deformable pad 11. The frame 15 is arranged on the periphery of the flexible deformable pad 11. The elastic contact pad 12 has a harder than flexible deformable pad 11. The movable support rods 14 are a telescopic structure. One end of the movable support rod 14 is evenly arranged on the frame 15, and the other end is connected to the side wall of the base body 16. The cylinder 2 is arranged in the base body 16. The bottom of the top column 3 is provided with a screw hole.

[0024] like Figure 3As shown, the base body 16 includes a base shell 161, a force gear 162, a horizontal shaft 163, a force lever 164, a screw 165 and a lifting gear 166. The force gear 162, the horizontal shaft 163, the force lever 164, the screw 165 and the lifting gear 166 are all arranged in the base shell 161. The force gear 162 is a bevel gear. The lifting gear 166 is vertically meshed with the force gear 162. The force gear 162 has less teeth than the lifting gear 166. The lifting gear 166 is fixed to the bottom end of the screw 165. A threaded hole is provided at the bottom of the top column. The screw 165 is threadedly connected to the screw hole of the top column. The force gear 162 is fixed on the horizontal shaft 163. The horizontal shaft 163 is horizontally arranged. The horizontal shaft 163 passes through the side surface of the base. The force lever 164 is vertically fixed to the end of the horizontal shaft 163 arranged outside the base.

[0025] The movable support rod 14 is a hydraulic support rod or a pneumatic support rod.

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A single hydraulic prop for mining, characterized by: The invention comprises a deformable base (1), a cylinder body (2), a top column (3) and a support seat (4); the cylinder body (2) is a cylinder with a shell drawn from the top; the deformable base (1) is arranged on the bottom surface of the cylinder body (2); the lower end of the top column (3) is arranged in the inner cavity of the cylinder body (2); the top column (3) is a columnar structure; the cross section of the top column (3) matches the shape and size of the opening of the cylinder body (2); the bottom contact surface of the deformable base (1) is variable in shape; a support structure is arranged between the outer periphery of the contact surface of the deformable base (1) and the outer wall of the cylinder body (2); the support seat (4) is arranged on the top surface of the top column (3); the upper surface of the support seat (4) is a planar structure with a positioning protrusion.

2. A single hydraulic prop for mining according to claim 1, characterized in that: The cylinder body (2) and the top column (3) are both rotating body structures.

3. The single hydraulic prop for mining according to claim 1, characterized in that: The deformable base (1) comprises a flexible deformable pad (11), an elastic contact pad (12), a friction pair layer (13), a plurality of movable support rods (14), a frame (15) and a base body (16); the base body (16) is a cylindrical rigid body with a top shell; the elastic contact pad (12) is arranged on the bottom surface of the base body (16); the frame (15) is a metal ring structure; the flexible deformable pad (11) is an annular soft material; the inner wall of the flexible deformable pad (11) is connected to the elastic contact pad (12); the friction pair layer (13) is arranged on the bottom surface of the flexible deformable pad (11); the frame (15) is arranged on the outer periphery of the flexible deformable pad (11); the elastic contact pad (12) has a harder hardness than the flexible deformable pad (11); the movable support rod (14) is a telescopic structure; one end of the movable support rod (14) is evenly arranged on the frame (15) and the other end is connected to the side wall of the base body (16).

4. A single hydraulic prop for mining according to claim 3, characterized in that: The bottom of the top column is provided with a screw hole.

5. The single hydraulic prop for mining according to claim 4, characterized in that: The base body (16) comprises a base shell (161), a boosting gear (162), a horizontal shaft (163), a boosting lever (164), a screw (165) and a lifting gear (166); the boosting gear (162), the horizontal shaft (163), the boosting lever (164), the screw (165) and the lifting gear (166) are all arranged in the base shell (161); the boosting gear (162) is a bevel gear; the lifting gear (166) is vertically meshed with the boosting gear (162); The number of teeth of the energizing gear (162) is smaller than that of the lifting gear (166). The lifting gear (166) is fixed to the bottom end of the screw rod (165). A threaded hole is provided at the bottom of the top column. The screw rod (165) is threadedly connected to the top column threaded hole. The energizing gear (162) is fixed on the horizontal shaft (163). The horizontal shaft (163) is horizontally arranged and passes through the side surface of the base. The energizing lever (164) is vertically fixed to the end of the horizontal shaft (163) arranged outside the base.

6. The single hydraulic prop for mining according to claim 3, characterized in that: The movable support rod (14) is a hydraulic support rod or a pneumatic support rod.

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