Protective cover for mining hydraulic support

Abstract

The protective cover for the mining hydraulic support comprises a base, a support, a side plate, a top plate, a hydraulic cylinder and a protective assembly, one end of the base is hinged to one end of the support, the other end of the support is hinged to one end of the side plate, the other end of the side plate is hinged to one end of the top plate, and the hydraulic cylinder is fixedly installed on the base; the movable end of the hydraulic cylinder is hinged to the top plate, the hydraulic cylinder is used for limiting the relative position of the base and the top plate, a protection assembly is arranged on the periphery of the hydraulic cylinder, one end of the protection assembly is fixedly installed on the base, and the other end of the protection assembly is fixedly connected to the movable end of the hydraulic cylinder. According to the protective cover for the mining hydraulic support, the situation that a traditional protective cover only shields the front face is replaced, protection on the side faces or the top is neglected, the problem that falling coal and gangue invade from an uncovered area, and consequently parts are damaged is solved, the equipment failure rate is reduced, the production safety risk is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of mining machinery engineering, and particularly relates to a protective cover for a mining hydraulic support. BACKGROUND

[0002] In underground mining, the mining hydraulic support is a key equipment for ensuring safe production and efficient operation, and its stable operation is crucial. However, the key components such as the column and the jack of the traditional hydraulic support are easily damaged by falling coal and gangue in the underground mine, causing surface damage or even structural deformation. At the same time, a large amount of coal dust and rock dust accelerates the wear of the components, affecting the normal operation of the system, which causes waste of manpower, has safety hazards and reduces production efficiency. SUMMARY

[0003] Therefore, the present application aims to provide a protective cover for a mining hydraulic support to solve the problems of waste of manpower, safety hazards and reduced production efficiency caused by the traditional hydraulic support.

[0004] To achieve the above-mentioned purposes, the technical scheme of the present application is as follows:

[0005] A protective cover for a mining hydraulic support, comprising a base, a support, a side plate, a top plate, a hydraulic cylinder and a protective assembly, one end of the base is hingedly connected to one end of the support, the other end of the support is hingedly connected to one end of the side plate, the other end of the side plate is hingedly connected to one end of the top plate, the hydraulic cylinder is fixedly installed on the base, and the movable end of the hydraulic cylinder is hingedly connected to the top plate, the hydraulic cylinder is used to limit the relative position of the base and the top plate, the protective assembly is arranged around the hydraulic cylinder, one end of the protective assembly is fixedly installed on the base, and the other end of the protective assembly is fixedly connected to the movable end of the hydraulic cylinder.

[0006] Further, the base is arranged in a mine, one end of the base is provided with a connecting frame, the connecting frame is used to connect the support, and the base is provided with a mounting groove, the hydraulic cylinder and the protective assembly are fixedly installed in the mounting groove.

[0007] Further, the protective assembly comprises a first protective cover, a second protective cover and an end cap, one end of the first protective cover is fixedly connected to the base, the inner ring of the first protective cover is slidingly sleeved around the second protective cover, and one end of the second protective cover is provided with a detachable end cap.

[0008] Further, the inner diameter of the first protective cover is greater than the outer diameter of the second protective cover, the lower ends of the first protective cover and the second protective cover are respectively provided with lower limit blocks, the upper end inner walls of the first protective cover and the second protective cover are respectively provided with upper limit blocks, the upper end of the upper limit block of the first protective cover abuts the lower end of the lower limit block of the second protective cover, and the lower limit block and the upper limit block are used to limit the relative position of the first protective cover and the second protective cover; the first protective cover and the second protective cover are also provided with a plurality of anti-collision blocks, and the plurality of anti-collision blocks are uniformly arranged along the inner circle circumferential direction of the first protective cover and the second protective cover, and each anti-collision block is provided with anti-skid lines.

[0009] Further, the first protective cover is a ring structure, and the first protective cover further comprises a left protective unit and a right protective unit, the left protective unit and the right protective unit are oppositely arranged, and the two ends of the left protective unit are respectively detachably connected to the two ends of the right protective unit.

[0010] Further, the left protective unit comprises a left protective plate, a first step and a first buckle, the two ends of the left protective plate are respectively provided with a first step, one side of the first step is provided with a plurality of first buckles, and the plurality of first buckles are uniformly arranged along the axial direction of the first step; the right protective unit comprises a right protective plate, a second step and a buckle groove, the two ends of the right protective plate are respectively provided with a second step matched with the first step, and the second step is provided with a buckle groove matched with the first buckle, and the buckle groove is used to limit the relative position of the first buckle.

[0011] Further, the end cover comprises a left cover body and a right cover body, the left cover body and the right cover body are the same structure and are oppositely arranged, the left cover body comprises a body and a positioning protrusion arranged at the lower end of the body, the periphery of the positioning protrusion is slidably connected to the inner circle of the second protective cover, the lower end of the positioning protrusion is provided with a second buckle, the second buckle is used to limit the relative position of the second protective cover and the body, one side of the body is provided with a positioning groove, and the positioning groove is used to avoid the connecting ring of the movable end of the hydraulic cylinder.

[0012] Compared with the prior art, the protective cover for the mine hydraulic support has the following beneficial effects:

[0013] (1) The protective cover for the mine hydraulic support sets the buckle type detachable left protective unit and right protective unit, reduces the volume of the protective cover in the natural state, facilitates the storage, transportation and installation of the protective cover, reduces the waste of manpower, and improves the production efficiency.

[0014] (2) The protective cover for the mine hydraulic support sets the first step, the second step and the end cover, so that the protective cover has better protective effect on the coal dust in the mine during installation and use, reduces the invasion of dust into the gap or sealing surface of the hydraulic component, reduces the failure rate of the hydraulic system, and improves the production safety.

[0015] (3) The protective cover for the mine hydraulic support has the anti-collision block made of composite rubber material, which has high elasticity when supporting the protective cover and reduces the direct damage of the protective cover to the hydraulic support after being collided. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the application, and serve as an explanation of the illustrative embodiments of the present application, and are not intended to limit the present application. In the drawings:

[0017] Figure 1 The figure is a sectional structure schematic view of the protective cover for the mine hydraulic support according to the embodiment of the present application;

[0018] Figure 2 The figure is a structure schematic view of the base according to the embodiment of the present application;

[0019] Figure 3 The figure is a structure schematic view of the protective assembly according to the embodiment of the present application;

[0020] Figure 4 The figure is an explosion structure schematic view of the first protective cover according to the embodiment of the present application;

[0021] Figure 5 The figure is a structure schematic view of the left protective unit according to the embodiment of the present application;

[0022] Figure 6 The figure is a structure schematic view of the right protective unit according to the embodiment of the present application;

[0023] Figure 7 The figure is a structure schematic view of the end cover according to the embodiment of the present application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1-base; 11-connecting frame; 12-mounting groove; 2-support; 3-side plate; 4-top plate; 5-hydraulic cylinder; 51-connecting ring; 6-protective assembly; 61-first protective cover; 611-lower limiting block; 612-upper limiting block; 613-anti-collision block; 6131-anti-skid pattern; 614-left protective unit; 6141-left protective plate; 6142-first step; 6143-first buckle; 615-right protective unit; 6151-right protective plate; 6152-second step; 6153-buckle slot; 62-second protective cover; 63-end cover; 631-left cover body; 6311-body; 6312-positioning protrusion; 6313-second buckle; 6314-positioning slot; 632-right cover body. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0028] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0029] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0030] As shown in Figure 1 The protective cover for mine hydraulic support includes base 1, support 2, side plate 3, top plate 4, hydraulic cylinder 5 and protective assembly 6, one end of the base 1 is hinged to one end of the support 2, the other end of the support 2 is hinged to one end of the side plate 3, the other end of the side plate 3 is hinged to one end of the top plate 4, the side plate 3 is provided to prevent the impact of the coal falling from the side on the support and improve safety, the hydraulic cylinder 5 is fixedly installed on the base 1, and the movable end of the hydraulic cylinder 5 is hinged to the top plate 4, the hydraulic cylinder 5 is used to limit the relative position of the base 1 and the top plate 4, the protective assembly 6 is provided around the hydraulic cylinder 5, one end of the protective assembly 6 is fixedly installed on the base 1, the other end of the protective assembly 6 is fixedly connected to the movable end of the hydraulic cylinder 5, the protective assembly 6 is provided to wrap the hydraulic cylinder 5 all around, reduce the impact of the coal falling from the side and rear, and improve the safety of production.

[0031] As shown in Figure 2As shown, the base 1 is arranged in the mine, one end of the base 1 is provided with a connecting frame 11, the connecting frame 11 is used for connecting the support 2, the base 1 is provided with a mounting groove 12, the hydraulic cylinder 5 and the protection assembly 6 are fixedly installed in the mounting groove 12, the mounting groove 12 can quickly position the mounting position of the hydraulic cylinder 5 and the protection assembly 6, reduce the labor, and improve the work efficiency.

[0032] As shown in the figure, Figure 3 The protection assembly 6 includes a first protective cover 61, a second protective cover 62 and an end cover 63, one end of the first protective cover 61 is fixedly connected to the base 1, the inner circle of the first protective cover 61 is slidably sleeved on the periphery of the second protective cover 62, one end of the second protective cover 62 is provided with a detachable end cover 63, and the first protective cover 61 and the second protective cover 62 can be slidably arranged to adapt to the hydraulic cylinder 5 in different extension states, ensure the smoothness of the hydraulic support operation, and reduce the production safety hazard.

[0033] As shown in the figure, Figure 4 The inner diameter of the first protective cover 61 is greater than the outer diameter of the second protective cover 62, the lower periphery of the first protective cover 61 and the second protective cover 62 is respectively provided with a lower limiting block 611, and the upper end inner wall of the first protective cover 61 and the second protective cover 62 is respectively provided with an upper limiting block 612, and the lower end of the upper limiting block 612 of the first protective cover 61 abuts and contacts the upper end of the lower limiting block 611 of the second protective cover 62, and the lower limiting block 611 and the upper limiting block 612 are used for limiting the relative position of the first protective cover 61 and the second protective cover 62; the lower limiting block 611 and the upper limiting block 612 can prevent the first protective cover 61 and the second protective cover 62 from being separated, and reduce the production safety hazard.

[0034] As shown in the figure, Figure 4 The first protective cover 61 and the second protective cover 62 are also provided with a plurality of anti-collision blocks 613, and the plurality of anti-collision blocks 613 are evenly arranged along the inner circle circumferential direction of the first protective cover 61 and the second protective cover 62, and each anti-collision block 613 is provided with an anti-skid line 6131, the anti-collision block 211 and the anti-skid line 2111 can improve the protection effect of the protection assembly 6 on the hydraulic support, reduce the direct wear of the hydraulic support caused by the external collision of the protection assembly 6, and improve the production safety.

[0035] As shown in the figure, Figure 4 And Figure 5As shown, the first protective cover 61 is a ring structure, and the first protective cover 61 further comprises a left protective unit 614 and a right protective unit 615, the left protective unit 614 and the right protective unit 615 are oppositely arranged, and two ends of the left protective unit 614 are respectively detachably connected to two ends of the right protective unit 615, the left protective unit 614 comprises a left protective plate 6141, a first step 6142 and a first buckle 6143, two ends of the left protective plate 6141 are respectively provided with the first step 6142, one side of the first step 6142 is provided with a plurality of first buckles 6143, and the plurality of first buckles 6143 are uniformly arranged along the axial direction of the first step 6142, the left protective unit 614 and the right protective unit 615 are detachably connected, which realizes quick installation, reduces manual labor and increases work efficiency.

[0036] As shown in the Figure 6 right protective unit 615 comprises a right protective plate 6151, a second step 6152 and a clamping groove 6153, two ends of the right protective plate 6151 are respectively provided with the second step 6152 matched with the first step 6142, and the second step 6152 is provided with the clamping groove 6153 matched with the first buckle 6143, and the clamping groove 6153 is used to limit the relative position of the first buckle 6143, the second step 6152 matched with the first step 6142 can better close the butt joint surface, reduce the invasion of dust and reduce the production safety hazard, and the clamping groove 6153 matched with the first buckle 6143 realizes quick butt joint installation and reduces manual labor.

[0037] As shown in the Figure 7 end cover 63 comprises a left cover body 631 and a right cover body 632, the left cover body 631 and the right cover body 632 are the same structure and oppositely arranged, the left cover body 631 comprises a body 6311 and a positioning protrusion 6312 arranged at the lower end of the body 6311, and the outer periphery of the positioning protrusion 6312 is slidably connected to the inner ring of the second protective cover 62, the lower end of the positioning protrusion 6312 is provided with a second buckle 6313, the second buckle 6313 is used to limit the relative position of the second protective cover 62 and the body 6311, one side of the body 6311 is provided with a positioning groove 6314, the positioning groove 6314 is used to avoid the connecting ring of the movable end of the hydraulic cylinder 5, the upper end of the second buckle 6313 abuts to the lower end of the upper limiting block 612, the end cover 6 can be fixed at the upper end of the second protective cover 62, the second protective cover 62 and the movable end of the hydraulic cylinder are quickly connected, and manual labor is reduced.

[0038] The working process of the protective cover for the mine hydraulic support:

[0039] The base 1 is fixed in the mine, which is connected with the support 2 through the connecting frame 11, the support 2 is hingedly connected with the side plate 3 and the top plate 4 in turn, the hydraulic cylinder 5 and the protection assembly 6 are installed in the installation slot 12 of the base 1, the movable end of the hydraulic cylinder 5 is hingedly connected with the top plate 4 to limit the relative position of the two, in the protection assembly 6, the first protection cover 61 is fixed on the base 1, the left protection unit 614 and the right protection unit 615 are detachably connected through the first buckle 6143 and the clamping groove 6153, the second protection cover 62 is slidably sleeved in the first protection cover 61, the relative position of the two is limited through the lower limiting block 611 and the upper limiting block 612, the end cover 63 provided at one end of the second protection cover 62 is connected with the second protection cover 62 through the positioning protrusion 6312 and the second buckle 6313, and the end cover 63 is sleeved on the outer periphery of the movable end connecting ring 51 of the hydraulic cylinder 5 through the positioning groove 6314; when the hydraulic cylinder 5 works, the movable end drives the top plate 4 to move, and the protection assembly 6 is telescoped with the movable end of the hydraulic cylinder 5, the first protection cover 61 and the second protection cover 62 slide relative to each other, the anti-collision block 613 and the anti-skid pattern 6131 play the buffering and stabilizing roles, and the whole realizes the protection of the hydraulic cylinder 5 and the linkage with the hydraulic support.

[0040] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A protective cover for a mining hydraulic support, characterized in that: The device includes a base (1), a bracket (2), a side plate (3), a top plate (4), a hydraulic cylinder (5), and a protective assembly (6). One end of the base (1) is hinged to one end of the bracket (2), the other end of the bracket (2) is hinged to one end of the side plate (3), and the other end of the side plate (3) is hinged to one end of the top plate (4). The hydraulic cylinder (5) is fixedly installed on the base (1), and the movable end of the hydraulic cylinder (5) is hinged to the top plate (4). The hydraulic cylinder (5) is used to limit the relative position of the base (1) and the top plate (4). The protective assembly (6) is provided around the hydraulic cylinder (5). One end of the protective assembly (6) is fixedly installed on the base (1), and the other end of the protective assembly (6) is fixedly connected to the movable end of the hydraulic cylinder (5).

2. The protective cover for a mining hydraulic support according to claim 1, characterized in that: The base (1) is set inside the mine. A connecting frame (11) is set at one end of the base (1). The connecting frame (11) is used to connect the support (2). The base (1) is provided with an installation groove (12). The hydraulic cylinder (5) and the protective component (6) are fixedly installed in the installation groove (12).

3. The protective cover for a mining hydraulic support according to claim 1, characterized in that: The protective assembly (6) includes a first protective cover (61), a second protective cover (62) and an end cap (63). One end of the first protective cover (61) is fixedly connected to the base (1). The inner ring of the first protective cover (61) is slidably sleeved on the outer periphery of the second protective cover (62). One end of the second protective cover (62) is provided with a detachable end cap (63).

4. The protective cover for mining hydraulic supports according to claim 3, characterized in that: The inner diameter of the first protective cover (61) is larger than the outer diameter of the second protective cover (62). The lower periphery of the first protective cover (61) and the second protective cover (62) are respectively provided with a lower limit block (611). The upper inner wall of the first protective cover (61) and the second protective cover (62) are respectively provided with an upper limit block (612). The lower end of the upper limit block (612) of the first protective cover (61) abuts against the upper end of the lower limit block (611) of the second protective cover (62). The lower limit block (611) and the upper limit block (612) are used to limit the relative position of the first protective cover (61) and the second protective cover (62). The first protective cover (61) and the second protective cover (62) are also provided with a plurality of anti-collision blocks (613), and the plurality of anti-collision blocks (613) are evenly distributed along the inner circumference of the first protective cover (61) and the second protective cover (62), and each anti-collision block (613) is provided with anti-slip texture (6131).

5. The protective cover for a mining hydraulic support according to claim 3, characterized in that: The first protective cover (61) is a ring structure. The first protective cover (61) also includes a left protective unit (614) and a right protective unit (615). The left protective unit (614) and the right protective unit (615) are arranged opposite to each other, and the two ends of the left protective unit (614) are detachably connected to the two ends of the right protective unit (615).

6. The protective cover for a mining hydraulic support according to claim 5, characterized in that: The left protective unit (614) includes a left protective plate (6141), a first step (6142) and a first buckle (6143). The left protective plate (6141) has a first step (6142) at both ends, and a plurality of first buckles (6143) are provided on one side of the first step (6142), and the plurality of first buckles (6143) are evenly distributed along the axial direction of the first step (6142). The right protective unit (615) includes a right protective plate (6151), a second step (6152), and a slot (6153). The two ends of the right protective plate (6151) are respectively provided with a second step (6152) that matches the first step (6142), and the second step (6152) is provided with a slot (6153) that matches the first buckle (6143). The slot (6153) is used to limit the relative position of the first buckle (6143).

7. The protective cover for a mining hydraulic support according to claim 3, characterized in that: The end cap (63) includes a left cover body (631) and a right cover body (632). The left cover body (631) and the right cover body (632) have the same structure and are arranged opposite each other. The left cover body (631) includes a body (6311) and a positioning protrusion (6312) at its lower end. The outer periphery of the positioning protrusion (6312) is slidably connected to the inner ring of the second protective cover (62). The lower end of the positioning protrusion (6312) is provided with a second buckle (6313). The second buckle (6313) is used to limit the relative position of the second protective cover (62) and the body (6311). A positioning groove (6314) is provided on one side of the body (6311). The positioning groove (6314) is used to avoid the connecting ring (51) of the moving end of the hydraulic cylinder (5).

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