Rapid withdrawing support for fully mechanized coal mining face of coal mine

Abstract

The utility model discloses a rapid withdrawing support for a fully mechanized coal mining face of a coal mine. And the protection assembly comprises a fixed frame, a rotating column, a connecting frame, a rotating rod and a limiting frame. According to the protective fence, through the arranged protective assembly, when the protective fence needs to be erected, upward force is applied to the connecting frame, the connecting frame is taken down from the exterior of the fixed frame, rotating force is applied to the rotating rod, so that the rotating rod is in a vertical state, the rotating rod is inserted into the limiting frame, pulling force is applied to the guide plate, and the limiting column is driven to be separated from the interior of the connecting frame; according to the scheme, the protective guard can be effectively stored, the support is convenient to carry, and the protective guard can be quickly built. The protective guard can be quickly put up when the protective guard is put up, the rotating force is applied to the rotating column to enable the rotating column to be in a vertical state, the force applied to the guide plate is cancelled, and the limiting column rebounds into the connecting frame and the rotating column under the elastic force action of the spring. The scheme has the advantages that the protective guard is effectively stored, and the support is convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, especially to a quick back-off support for fully mechanized coal mining face. BACKGROUND

[0002] The quick back-off support for fully mechanized coal mining face is a device specially used for improving the back-off efficiency of the equipment of the fully mechanized coal mining face, and brings remarkable economic and social benefits to the coal production.

[0003] In the actual use process of the existing support, if the design of the protective fence is increased, the protective fence is prone to damage in the process of carrying the support, and the difficulty of carrying the support is increased, but the design without the protective fence reduces the safety of moving on the support, therefore, the quick back-off support for fully mechanized coal mining face is needed to effectively store the protective fence, and facilitate the carrying of the support. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a quick back-off support for fully mechanized coal mining face to solve the problem that the safety of moving on the support is reduced in the actual use process of the existing support, if the design of the protective fence is increased, the protective fence is prone to damage in the process of carrying the support, and the difficulty of carrying the support is increased, but the design without the protective fence.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a quick back-off support for fully mechanized coal mining face, which comprises:

[0007] A support body;

[0008] A protective assembly, which comprises a fixed frame, a rotating column, a connecting frame, a rotating rod and a limiting frame; the fixed frame is fixed to the upper surface of both ends of the support body, the rotating column is rotatably connected to the inside of both sides of the fixed frame, the connecting frame is located at the top end outside of the rotating column, the rotating rod is rotatably connected to the middle end inside of the connecting frame, the limiting frame is fixed to the middle end inside of the fixed frame, and the bottom of the rotating rod is clamped in the inside of the limiting frame.

[0009] Further, the rotating column and the connecting frame are clamped with a limiting column inside, and the outer surface of the limiting column is fixed with a guide plate.

[0010] Further, the outer surface of the guide plate is fixed with a spring.

[0011] Further, the upper surface of both sides of the connecting frame is fixed with a supporting frame, and the inside of the supporting frame is fixed with the surface of the spring.

[0012] Further, the fixed assembly is further included, the fixed assembly includes support column, rotating plate and threaded column; the support column is fixed on the upper surface of both sides of the support body, the rotating plate is rotatably connected to the inside of the support column, and the threaded column is threadedly connected to the inside of the rotating plate.

[0013] Further, the threaded column is fixed with a guide column on the outer surface, and the connecting plate is fixed on the outer surface of both sides of the connecting frame.

[0014] Further, the connecting hole and the limiting hole are arranged in the middle of the connecting plate, and the limiting hole is arranged in the inside of the connecting hole.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] One, the utility model discloses a protective assembly, when needing to erect the protective fence, the connecting frame is taken off from the outside of the fixed frame, the rotating rod is inserted into the inside of the limiting frame, the guide plate is pulled, the limiting column is separated from the inside of the connecting frame, the rotating column is rotated, the guide plate is cancelled, the limiting column is returned to the inside of the connecting frame and the rotating column under the elastic force of the spring, the protective fence is conveniently carried and quickly built up.

[0017] Two, based on beneficial effect one, when needing to fix the connecting frame on the outside of the fixed frame, the rotating plate is rotated first, the rotating plate is in the vertical state, then the guide column is rotated, the threaded column is taken out from the inside of the rotating plate, the connecting plate passes through the outside of the support column under the action of the connecting hole, the rotating plate is rotated, the rotating plate is in the horizontal state, and then the threaded column is rotated into the inside of the rotating plate and the connecting plate, the connecting frame can be quickly and stably fixed on the outside of the fixed frame. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the three-dimensional schematic view of the utility model;

[0020] Figure 2 It is the structure diagram of the protective assembly of the utility model;

[0021] Figure 3The utility model discloses a protection assembly's sectional view;

[0022] Figure 4 The utility model discloses a fixed assembly's structure diagram.

[0023] In the drawing, the component list that each sign represents is as follows:

[0024] 11, support body;

[0025] 21, fixed frame;22, rotating column;23, connecting frame;24, rotating rod;25, limiting frame;26, limiting column;27, guide plate;28, spring;29, support frame;

[0026] 31, support column;32, rotating plate;33, threaded column;34, guide column;35, connecting plate;36, connecting hole;37, limiting hole. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the specific embodiment of the utility model will be described in detail below with the drawings.

[0028] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar extension without violating the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiment.

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiment of the utility model will be further described in detail below with the drawings.

[0030] Please refer to Figures 1-3 The utility model discloses a quick back-off support for fully mechanized coal mining face, which comprises:

[0031] Support body 11;

[0032] Protection assembly, the protection assembly includes fixed frame 21, rotating column 22, connecting frame 23, rotating rod 24 and limiting frame 25;Fixed frame 21 is fixed on the upper surface of both ends of support body 11, rotating column 22 is rotatably connected to the inside of both sides of fixed frame 21, connecting frame 23 is located at the top end outside of rotating column 22, rotating rod 24 is rotatably connected to the inside of middle end of connecting frame 23, limiting frame 25 is fixed in the middle end inside of fixed frame 21, and the bottom of rotating rod 24 is clamped in the inside of limiting frame 25;

[0033] The fixed frame 21 is used for supporting the bracket body 11, and then supporting the rotating column 22, the rotating column 22 is used for connecting the fixed frame 21 and the connecting frame 23 together, the connecting frame 23 is used for supporting the rotating rod 24, and the rotating rod 24 is used for being inserted into the limiting frame 25, so that the connecting frame 23 is quickly limited at the required position.

[0034] The rotating column 22 and the connecting frame 23 are internally clamped with the limiting column 26, and the limiting column 26 is externally fixed with the guide plate 27;

[0035] The limiting column 26 is used for limiting the rotating column 22 in the connecting frame 23, and the guide plate 27 is used for conveniently changing the position of the limiting column 26.

[0036] The guide plate 27 is externally fixed with the spring 28;

[0037] The upper surfaces of the two sides of the connecting frame 23 are fixed with the supporting frame 29, and the supporting frame 29 is internally fixed with the surface of the spring 28;

[0038] Under the elastic force of the spring 28, the guide plate 27 can be quickly elastically returned to the original position, and the supporting frame 29 is used for fixing the spring 28 at the required position.

[0039] Working principle: when the guardrail needs to be erected, the connecting frame 23 is taken off from the outside of the fixed frame 21 by applying an upward force to the connecting frame 23, the rotating rod 24 is in a vertical state by applying a rotating force to the rotating rod 24, the limiting column 26 is separated from the inside of the connecting frame 23 by applying a pulling force to the guide plate 27, the rotating column 22 is in a vertical state by applying a rotating force to the rotating column 22, the force applied to the guide plate 27 is cancelled, and the limiting column 26 is elastically returned to the inside of the connecting frame 23 and the rotating column 22 under the elastic force of the spring 28.

[0040] This step not only effectively stores the guardrail, but also quickly builds the guardrail.

[0041] Please refer to Figure 1 , Figure 2 and Figure 4 , the embodiment is based on the above-mentioned embodiment, further comprising a fixing assembly, the fixing assembly comprises a supporting column 31, a rotating plate 32 and a threaded column 33; the supporting column 31 is fixed on the upper surface of the two sides of the bracket body 11, the rotating plate 32 is rotatably connected to the inside of the supporting column 31, and the threaded column 33 is threadedly connected to the inside of the rotating plate 32;

[0042] The supporting column 31 is used for rotating the rotating plate 32 in the inside, the rotating plate 32 is used for limiting the connecting plate 35 at the top of the supporting column 31, and the threaded column 33 is used for connecting the rotating plate 32 and the connecting plate 35 together.

[0043] The guiding column 34 is fixed on the outer surface of the threaded column 33, and the connecting plates 35 are fixed on the outer surfaces of the connecting frame 23 on both sides;

[0044] The guiding column 34 facilitates the application of a rotating force to the threaded column 33, and the connecting plates 35 are used to fix the connecting frame 23 outside the supporting column 31, thereby fixing the connecting frame 23 at a desired position.

[0045] The connecting holes 36 and the limiting holes 37 are formed in the middle of the connecting plates 35, and the limiting holes 37 are located inside the connecting holes 36:

[0046] The connecting holes 36 are used for the supporting column 31 to pass through the inside of the connecting plates 35, and the limiting holes 37 are used for the threaded column 33 to pass through the inside thereof.

[0047] Working principle: when it is required to fix the connecting frame 23 outside the fixed frame 21, firstly, a rotating force is applied to the rotating plate 32, the rotating plate 32 is in a vertical state, then a rotating force is applied to the guiding column 34, the threaded column 33 is taken out from the inside of the rotating plate 32, under the action of the connecting holes 36, the connecting plates 35 pass through the outside of the supporting column 31, a rotating force is applied to the rotating plate 32, so that the rotating plate 32 is in a horizontal state, and then the threaded column 33 is rotated into the inside of the rotating plate 32 and the connecting plates 35.

[0048] This step can quickly and stably fix the connecting frame 23 outside the fixed frame 21.

[0049] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quick retractable support for a fully mechanized coal mining face, characterized in that, Include: Support body (11); Guard assembly, the guard assembly includes fixed frame (21), rotating column (22), connecting frame (23), rotating rod (24) and limiting frame (25);Fixed frame (21) is fixed on the upper surface of both ends of support body (11), rotating column (22) is rotatably connected to the inside of both sides of fixed frame (21), connecting frame (23) is located at the top end outside of rotating column (22), rotating rod (24) is rotatably connected to the inside of middle end of connecting frame (23), limiting frame (25) is fixed in the inside of middle end of fixed frame (21), the bottom of rotating rod (24) is clamped in the inside of limiting frame (25).

2. The quick retracement support for fully mechanized coal mining face according to claim 1, characterized in that, The rotating column (22) and the connecting frame (23) are clamped with a limiting column (26) inside, and the outer surface of the limiting column (26) is fixed with a guide plate (27).

3. The quick retracement support for fully mechanized coal mining face according to claim 2, characterized in that, The outer surface of the guide plate (27) is fixed with a spring (28).

4. The quick retracement support for fully mechanized coal mining face according to claim 1, characterized in that, The upper surface of both sides of the connecting frame (23) is fixed with a support frame (29), and the inside of the support frame (29) is fixed with the surface of the spring (28).

5. The quick retracement support for fully mechanized coal mining face according to claim 1, characterized in that, It also includes a fixing assembly, the fixing assembly includes support column (31), rotating plate (32) and threaded column (33);Support column (31) is fixed on the upper surface of both sides of support body (11), rotating plate (32) is rotatably connected to the inside of support column (31), threaded column (33) is screwedly connected to the inside of rotating plate (32).

6. The quick withdrawing support for fully mechanized coal mining face according to claim 5, characterized in that, The outer surface of the threaded column (33) is fixed with a guide column (34), and the outer surface of both sides of the connecting frame (23) is fixed with a connecting plate (35).

7. The quick retracement support for a fully mechanized coal mining face according to claim 6, characterized in that, The middle part of the connecting plate (35) is provided with a connecting hole (36) and a limiting hole (37), and the limiting hole (37) is located in the inside of the connecting hole (36).

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