Coal mine tunneling supporting structure capable of being rapidly disassembled and assembled

Abstract

The utility model belongs to the technical field of coal mine equipment, and particularly relates to a coal mine tunneling supporting structure capable of being quickly disassembled and assembled, which comprises a supporting main plate, an unfolding screw rod is arranged at the bottom end of the supporting main plate, one end of the unfolding screw rod is fixedly connected with a hand wheel, and the outer wall of the unfolding screw rod is in threaded connection with a threaded sliding block. By arranging the supporting main plate and the telescopic side plates, the telescopic rods slide to drive the telescopic connecting rods on the outer walls of the telescopic side plates to slide along the inner walls of the supporting main plate, so that the supporting main plate and the telescopic side plates move relatively, and unfolding operation of the telescopic side plates is achieved; when the outer walls of the telescopic side plates make contact with the edge of a mine pit, the telescopic rods continue to slide to drive the overturning supports at the two ends of the overturning guide rods to rotate through the overturning connecting rods, the overturning supports are overturned to be in the vertical state from the previous horizontal state, and folding and unfolding operation of the supporting main plate and the telescopic side plates is achieved. And the supporting main plate and the telescopic side plates can be quickly disassembled and assembled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine equipment technical field especially relates to a quick dismounting's support structure for coal mine tunneling. BACKGROUND

[0002] Tunneling is the work of excavating various shapes, cross sections or vertical and horizontal intersecting wells, tunnels and chambers in rock or ore layers. Tunneling process is divided into main process and auxiliary process. The main process is the process of directly completing the working face to ensure the progress of the working face, and the supporting operation in the tunneling area. The basic process of tunneling soft rock includes excavating rock, loading rock and supporting. Therefore, the support structure is one of the essential equipment during coal mine tunneling.

[0003] For example, the patent with publication number CN221628189U discloses a support structure for coal mine tunneling, which is convenient to disassemble and assemble. The support structure comprises two installation base plates, a disassembly and assembly mechanism arranged above the two installation base plates, two support cylinders, a sliding adjustment block slidably connected inside each support cylinder, and a support plate fixedly connected to the upper surface of each sliding adjustment block. The support structure is convenient to disassemble and assemble. The installation base plates, support cylinders, sliding adjustment blocks and support plates are cooperated to facilitate the assembly of the lower part of the support structure, adjust the support height of the support structure, and facilitate the installation of the upper part of the support structure above the lower part by the cooperation of the upper top plate, extension plate, installation screw hole and installation bolt, and facilitate the contraction of the two upper top plates for installation, thereby facilitating the disassembly and assembly of the support structure for coal mine tunneling.

[0004] The existing quick dismounting support structure for coal mine tunneling has the problem of difficult disassembly and assembly due to the complex terrain of the coal mine tunnel and the limited space when the support plate is unfolded. In view of this, we propose a quick dismounting support structure for coal mine tunneling. Utility model content

[0005] The utility model aims at the above-mentioned technical problems, and provides a quick dismounting support structure for coal mine tunneling, which avoids the problem of difficult disassembly and assembly of the support structure due to the complex terrain of the coal mine tunnel and the limited space when the support plate is unfolded.

[0006] In view of the above, the utility model provides a quick dismounting's support structure for coal mine tunneling, including support main board, the bottom of support main board is provided with the spread screw rod, one end of spread screw rod is fixedly connected with hand wheel, the outer wall screw thread connection of spread screw rod has the screw block, both ends of screw block all are screw jointed with connecting rod, one end of connecting rod is screw jointed with telescopic link of support main board bottom sliding connection, one end of telescopic link is screw jointed with the turnover connecting rod, one end of turnover connecting rod is screw jointed with turnover guide rod, both ends of turnover guide rod all are fixedly connected with turnover support, the top of turnover support is screw jointed with telescopic side plate, the lateral wall fixedly connected of telescopic side plate has the telescopic connecting rod of going through in the inner wall of support main board, the bottom of telescopic side plate is screw jointed with the fixed spring of turnover guide rod outer wall screw joint.

[0007] Based on the above structure, the telescopic link slides to drive the telescopic connecting rod of the outer wall of the telescopic side plate to slide along the inner wall of the support main plate, so that the support main plate and the telescopic side plate move relatively, realizing the unfolding operation of the telescopic side plate, when the outer wall of the telescopic side plate contacts the edge of the mine pit, the telescopic link continues to slide through the turnover connecting rod to drive the turnover support at both ends of the turnover guide rod to rotate, turning the turnover support from the previous horizontal state to the vertical state, realizing the folding and unfolding operation of the support main plate and the telescopic side plate, which is conducive to the quick dismounting operation of the support main plate and the telescopic side plate.

[0008] Preferably, the telescopic link and the support main plate form a sliding structure through the screw block and the connecting rod, in the embodiment, the screw block slides through the connecting rod to drive the telescopic link to slide along the bottom end of the support main plate, realizing the stable sliding operation of the telescopic link.

[0009] Preferably, the turnover support has an "H" shape, and the connection part of the fixed spring and the telescopic side plate and the telescopic link are located on the same straight line, in the embodiment, the "H" shaped turnover support is provided, which is conducive to improving the stability of the turnover support and avoiding the bending of the turnover support caused by excessive stress.

[0010] Preferably, the telescopic side plate and the support main plate form an extension structure through the telescopic link, in the embodiment, the telescopic link, the turnover connecting rod and the turnover guide rod are located on the same horizontal plane, therefore, the thrust transmitted by the telescopic link can drive the telescopic side plate to slide, realizing the unfolding operation of the telescopic side plate.

[0011] Preferably, the turnover support, the turnover connecting rod and the telescopic side plate form a turnover structure, in the embodiment, when the outer wall of the telescopic side plate contacts the edge of the mine pit, the telescopic link continues to slide through the turnover connecting rod to drive the turnover support at both ends of the turnover guide rod to rotate, turning the turnover support from the previous horizontal state to the vertical state, realizing the unfolding operation of the turnover support.

[0012] Preferably, the side wall of the turnover support is screwed with a knob, the outer wall of the knob is fixedly connected with a transmission gear set, the output end of the transmission gear set is fixedly connected with a lifting screw rod, the outer wall of the lifting screw rod is threadedly connected with a lifting sliding block, and the bottom end of the lifting sliding block is fixedly connected with a lifting support.

[0013] Preferably, the cross sections of the turnover support and the lifting support are square, and the central axes of the turnover support and the lifting support coincide.

[0014] The utility model discloses the following beneficial effects:

[0015] 1. The quick detachable supporting structure for coal mine tunneling is provided with a supporting main plate and telescopic side plates, a telescopic rod drives telescopic connecting rods on the outer wall of the telescopic side plates to slide along the inner wall of the supporting main plate, so that the supporting main plate and the telescopic side plates move relatively, and the telescopic side plates are unfolded.

[0016] 2. The quick detachable supporting structure for coal mine tunneling is provided with a lifting support, a knob drives a lifting screw rod to rotate through a transmission gear set, and the lifting screw rod drives the lifting support to vertically slide along the inner wall of a turnover support through a lifting sliding block, so that the lifting support is lifted or lowered, and the lifting support drives the supporting main plate and the telescopic side plates to support the top of the mine. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first perspective view of the overall structure of the utility model.

[0018] Figure 2 It is a second perspective view of the overall structure of the utility model.

[0019] Figure 3 It is a turnover connecting rod connecting structure diagram of the utility model.

[0020] Figure 4 It is a turnover support cross section structure diagram of the utility model.

[0021] Figure 5 The whole folding structure of the utility model is shown in the figure.

[0022] The figure marks are shown as:

[0023] 1, support main plate; 2, unfolding screw rod; 3, hand wheel; 4, threaded sliding block; 5, connecting rod; 6, telescopic rod; 7, turnover connecting rod; 8, turnover guide rod; 9, turnover support; 10, telescopic side plate; 11, telescopic connecting rod; 12, fixed spring; 13, knob; 14, transmission gear set; 15, lifting screw rod; 16, lifting sliding block; 17, lifting support. DETAILED DESCRIPTION

[0024] The following will be described in detail in combination with the accompanying Figure 1 - Figure 5 The application will be further described in detail.

[0025] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0026] The embodiment of the present application discloses a quick dismountable supporting structure for coal mine tunneling, which comprises a support main plate 1, the bottom end of the support main plate 1 is provided with an unfolding screw rod 2, one end of the unfolding screw rod 2 is fixedly connected with a hand wheel 3, the outer wall of the unfolding screw rod 2 is threadedly connected with a threaded sliding block 4, both ends of the threaded sliding block 4 are rotatably connected with connecting rods 5, one end of the connecting rod 5 is rotatably connected with a telescopic rod 6 which is slidably connected with the bottom end of the support main plate 1, one end of the telescopic rod 6 is rotatably connected with a turnover connecting rod 7, one end of the turnover connecting rod 7 is rotatably connected with a turnover guide rod 8, both ends of the turnover guide rod 8 are fixedly connected with turnover supports 9, the top end of the turnover support 9 is rotatably connected with a telescopic side plate 10, the side wall of the telescopic side plate 10 is fixedly connected with a telescopic connecting rod 11 which penetrates the inner wall of the support main plate 1, and the bottom end of the telescopic side plate 10 is rotatably connected with a fixed spring 12 which is rotatably connected with the outer wall of the turnover guide rod 8.

[0027] Based on the above structure, the telescopic rod 6 slides to drive the telescopic connecting rod 11 of the outer wall of the telescopic side plate 10 to slide along the inner wall of the support main plate 1, so that the support main plate 1 and the telescopic side plate 10 move relatively, realizing the unfolding operation of the telescopic side plate 10. It should be noted that since the telescopic rod 6, the turnover connecting rod 7 and the turnover guide rod 8 are located in the same horizontal plane, the thrust transmitted by the telescopic rod 6 can drive the telescopic side plate 10 to slide as shown in Figure (5). When the outer wall of the telescopic side plate 10 contacts the edge of the mine pit, the telescopic rod 6 continues to slide to drive the turnover supports 9 at both ends of the turnover guide rod 8 to rotate through the turnover connecting rod 7, thereby turning the turnover supports 9 from the previous horizontal state to the vertical state, realizing the folding and unfolding operation of the support main plate 1 and the telescopic side plate 10, and facilitating the quick disassembly and assembly operation of the support main plate 1 and the telescopic side plate 10.

[0028] In one embodiment, the telescopic rod 6 forms a sliding structure with the support main plate 1 through the threaded sliding block 4 and the connecting rod 5.

[0029] In this embodiment, the threaded sliding block 4 is beneficial to slide through the connecting rod 5 to drive the telescopic rod 6 to slide along the bottom end of the support main plate 1, realizing the stable sliding operation of the telescopic rod 6.

[0030] In one embodiment, the turnover supports 9 have an "H" shape, and the connection part of the fixed spring 12 and the telescopic side plate 10 and the telescopic rod 6 are located on the same straight line.

[0031] In this embodiment, by providing the "H" shaped turnover supports 9, the stability of the turnover supports 9 is improved, and the bending phenomenon of the turnover supports 9 caused by excessive stress is avoided.

[0032] In one embodiment, the telescopic side plate 10 forms a telescopic structure with the support main plate 1 through the telescopic rod 6.

[0033] In this embodiment, the telescopic rod 6, the turnover connecting rod 7 and the turnover guide rod 8 are located in the same horizontal plane, so that the thrust transmitted by the telescopic rod 6 can drive the telescopic side plate 10 to slide, realizing the unfolding operation of the telescopic side plate 10.

[0034] In one embodiment, the turnover supports 9 form a turnover structure with the telescopic side plate 10 through the turnover connecting rod 7 and the turnover guide rod 8.

[0035] In this embodiment, when the outer wall of the telescopic side plate 10 contacts the edge of the mine pit, the telescopic rod 6 continues to slide to drive the turnover supports 9 at both ends of the turnover guide rod 8 to rotate through the turnover connecting rod 7, thereby turning the turnover supports 9 from the previous horizontal state to the vertical state, realizing the unfolding operation of the turnover supports 9.

[0036] In one of the embodiments, the side wall of the turnover support 9 is screw-connected with a knob 13, the outer wall of the knob 13 is fixedly connected with a transmission gear set 14, the output end of the transmission gear set 14 is fixedly connected with a lifting screw rod 15, the outer wall of the lifting screw rod 15 is threadedly connected with a lifting sliding block 16, and the bottom end of the lifting sliding block 16 is fixedly connected with a lifting support 17.

[0037] In the embodiment, the rotation of the knob 13 drives the rotation of the lifting screw rod 15 through the transmission gear set 14, the rotation of the lifting screw rod 15 drives the vertical sliding of the lifting support 17 along the inner wall of the turnover support 9 through the lifting sliding block 16, the lifting operation of the lifting support 17 is realized, and then the movement of the lifting support 17 drives the support operation of the support main plate 1 and the telescopic side plate 10 to the top end of the mine pit.

[0038] In one of the embodiments, the cross sections of the turnover support 9 and the lifting support 17 are square, and the central axes of the turnover support 9 and the lifting support 17 coincide.

[0039] In the embodiment, the rotation of the lifting screw rod 15 drives the vertical sliding of the lifting support 17 along the inner wall of the turnover support 9 through the lifting sliding block 16, and the cross sections of the turnover support 9 and the lifting support 17 are square, which is conducive to improving the stability of the lifting of the lifting support 17.

[0040] In use of the quick dismountable support structure for coal mine tunneling of the embodiment, first, the staff places the support main plate 1 in the construction area, then rotates the hand wheel 3, the rotation of the hand wheel 3 drives the sliding of the threaded sliding block 4 along the bottom end of the support main plate 1 through the unfolding screw rod 2, the sliding of the threaded sliding block 4 drives the sliding of the telescopic rod 6 through the connecting rod 5, the sliding of the telescopic rod 6 drives the sliding of the telescopic connecting rod 11 of the outer wall of the telescopic side plate 10 along the inner wall of the support main plate 1, the relative movement of the support main plate 1 and the telescopic side plate 10 is caused, the unfolding operation of the telescopic side plate 10 is realized, when the outer wall of the telescopic side plate 10 contacts with the edge of the mine pit, the telescopic rod 6 continues to slide, the turnover support 9 at both ends of the turnover guide rod 8 is rotated through the turnover connecting rod 7, the turnover support 9 is turned from the previous horizontal state to the vertical state, the folding and unfolding operation of the support main plate 1 and the telescopic side plate 10 is realized, which is conducive to the quick dismounting operation of the support main plate 1 and the telescopic side plate 10.

[0041] Finally, the staff rotates the knob 13, the rotation of the knob 13 drives the rotation of the lifting screw rod 15 through the transmission gear set 14, the rotation of the lifting screw rod 15 drives the vertical sliding of the lifting support 17 along the inner wall of the turnover support 9 through the lifting sliding block 16, the lifting operation of the lifting support 17 is realized, and then the movement of the lifting support 17 drives the support operation of the support main plate 1 and the telescopic side plate 10 to the top end of the mine pit.

[0042] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick detachable support structure for coal mine tunneling, characterized in that, The utility model provides a support mainboard (1), the bottom of support mainboard (1) is provided with the spread screw rod (2), one end of spread screw rod (2) is fixedly connected with hand wheel (3), the outer wall of spread screw rod (2) is threadedly connected with threaded slider (4), both ends of threaded slider (4) are all screwed with connecting rod (5), one end of connecting rod (5) is screwed with telescopic link (6) with the bottom sliding connection of support mainboard (1), one end of telescopic link (6) is screwed with overturning connecting rod (7), one end of overturning connecting rod (7) is screwed with overturning guide rod (8), both ends of overturning guide rod (8) are fixedly connected with overturning support (9), the top of overturning support (9) is screwed with telescopic side plate (10), the lateral wall of telescopic side plate (10) is fixedly connected with telescopic connecting rod (11) that passes through the inner wall of support mainboard (1), the bottom of telescopic side plate (10) is screwed with fixed spring (12) with the outer wall screwing of overturning guide rod (8).

2. The quick detachable support structure for coal mine tunneling according to claim 1, characterized in that: The telescopic link (6) is slidably connected between the threaded slider (4), the connecting rod (5) and the support mainboard (1).

3. The quick detachable support structure for coal mine tunneling according to claim 1, characterized in that: The overturning support (9) is in the shape of "H", the connecting part of the fixed spring (12) and the telescopic side plate (10) and the telescopic link (6) are in the same straight line.

4. The quick detachable support structure for coal mine tunneling according to claim 1, characterized in that: The telescopic side plate (10) is telescopically connected between the telescopic link (6) and the support mainboard (1).

5. The quick detachable support structure for coal mine tunneling according to claim 1, characterized in that: The overturning support (9) is overturningly connected between the overturning connecting rod (7), the overturning guide rod (8) and the telescopic side plate (10).

6. The quick detachable support structure for coal mine tunneling according to claim 1, characterized in that: The overturning support (9) is screwed with a knob (13), the outer wall of the knob (13) is fixedly connected with a transmission gear set (14), the output end of the transmission gear set (14) is fixedly connected with a lifting screw (15), the outer wall of the lifting screw (15) is threadedly connected with a lifting slider (16), the bottom of the lifting slider (16) is fixedly connected with a lifting support (17).

7. The quick detachable support structure for coal mine tunneling according to claim 6, characterized in that: The overturning support (9) and the lifting support (17) are both in the shape of square, and the central axes of the overturning support (9) and the lifting support (17) coincide.

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