Advanced support frame for coal mining of coal mine

Abstract

The utility model belongs to the technical field of coal mining, and particularly relates to a coal mining advance supporting frame which comprises hydraulic ejector rods arranged in parallel, connecting seats are arranged at the upper ends of the hydraulic ejector rods, supporting beams are rotatably arranged on the upper sides of the connecting seats, and telescopic beams are arranged on the sides, close to each other, of the supporting beams in an inserted mode. The ends, close to each other, of the telescopic beams are rotationally connected, a top block is arranged in the middle of the lower side of the rotating joint of the telescopic beams, and rotating rods are rotationally arranged on the two sides, close to the connecting base, of the top block. The hydraulic telescopic rod is started, the output end of the hydraulic telescopic rod pushes the rotating rod, after the rotating rod is pushed, the upper end of the rotating rod pushes the top block upwards, the top block pushes the telescopic beam upwards, after the telescopic beam is pushed, the supporting beam is driven to rotate upwards relative to the connecting base, meanwhile, the telescopic beam extends out of the supporting beam, and the upper end of the telescopic beam is attached to the top of the middle of the roadway. The top of a roadway with the high middle and the two low sides can be conveniently changed, and the angle is adjusted to be attached to the roadway top for supporting.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mining, and in particular relates to an advanced supporting frame for coal mining. Background Art

[0002] During coal mining, advance support frames are set up in the tunnels for temporary support and protection. The current advance support frames use hydraulic jacks to lift the support beams to support the top of the tunnel. However, the current support beams are mostly fixed horizontal and vertical bars, which can generally only support some tunnels with horizontal tops. For some tunnel top supports that are high in the middle and low on both sides, the support beams cannot adjust the angle to fit the tunnel support. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide an advance support frame for coal mining in coal mines, so as to solve the problem that the current advance support frame supports the top of the tunnel by lifting the support beam through a hydraulic jack, but the current support beams are mostly fixed horizontal and vertical bars, which can generally only support some tunnels with horizontal tops. For some tunnel top supports that are high in the middle and low on both sides, the support beam cannot adjust the angle to fit the tunnel support.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: a coal mine advance support frame, comprising hydraulic jacks arranged in parallel, the upper ends of the hydraulic jacks are provided with connecting seats, the upper sides of the connecting seats are rotatably provided with support beams, the sides of the support beams close to each other are plugged with telescopic beams, the ends of the telescopic beams close to each other are rotatably connected, a top block is provided in the middle of the lower side of the rotatable connection of the telescopic beam, the two sides of the top block close to the connecting seat are rotatably provided with rotating rods, the side of the connecting seat close to the rotating rod is provided with hydraulic telescopic rods, and the output ends of the hydraulic telescopic rods are rotatably connected to the rotating rods respectively.

[0005] The beneficial effects of the utility model are as follows: the hydraulic telescopic rod is started, and the output end of the hydraulic telescopic rod pushes the rotating rod. After the rotating rod is pushed, the upper end of the rotating rod pushes the top block upward, and the top block pushes the telescopic beam upward. After the telescopic beam is pushed, it drives the supporting beam to rotate upward relative to the connecting seat. At the same time, the telescopic beam extends from the supporting beam, and the upper end of the telescopic beam fits the middle top of the tunnel, which is convenient for making changes to some tunnel tops that are high in the middle and low on both sides, and adjusting the angle to fit the tunnel top support.

[0006] In order to facilitate the clamping and placement of the auxiliary beam;

[0007] As a further improvement of the above technical solution: a plurality of clamping rods are arranged on the upper side of the support beam and the telescopic beam, and a placement groove is opened on the upper side of the clamping rods.

[0008] The beneficial effect of this improvement is that when the device is supporting the tunnel, it is generally arranged in the tunnel, and an auxiliary beam will be arranged on the top of the support beam to jointly support the top of the tunnel, and a clamping rod is set to facilitate the clamping and placement of the auxiliary beam.

[0009] In order to adjust the position of the lever;

[0010] As a further improvement of the above technical solution: the upper sides of the support beam and the telescopic beam are both connected and provided with adjustment grooves, the inner sides of the adjustment grooves are both slidably connected with adjustment blocks, and the upper sides of the adjustment grooves are fixedly connected with the clamping rods respectively.

[0011] The beneficial effect of this improvement is that the adjustment block slides in the adjustment groove, so that the position of the clamping rod can be adjusted, and the position of the clamping rod can be adjusted according to the specific conditions of the tunnel top, thereby adjusting the supporting position of the auxiliary beam.

[0012] In order to increase the support strength of the rotating rod;

[0013] As a further improvement of the above technical solution: a support frame plate is arranged on the upper side of the hydraulic jack, and the support frame plate is arranged on the lower side of the hydraulic telescopic rod. A through groove is opened in the middle part of the upper side of the support frame plate, and a sliding block is arranged in the through groove corresponding to the sliding engagement of the rotating rod. The sliding block is fixedly connected to the output end of the hydraulic telescopic rod, and the sliding block is rotatably connected to the lower end of the rotating rod.

[0014] The beneficial effect of this improvement is: a support frame plate is provided, a sliding block is slidably provided on the upper side of the support frame plate, and the sliding block can increase the supporting strength of the rotating rod.

[0015] In order to distribute and connect the protection nets to intercept and protect some debris and falling rocks;

[0016] As a further improvement of the above technical solution: fixed blocks are symmetrically arranged at both ends of one side of the support frame plate, a mesh roller is rotatably arranged on the side where the fixed blocks are close to each other, the rotating shaft of the mesh roller passes through the fixed block to the other side where a nut is threadedly arranged, and connecting rings are equidistantly arranged on the side of the support frame plate away from the mesh roller.

[0017] The beneficial effect of this improvement is that mesh rollers and connecting rings are arranged between the support frame plates of adjacent devices, and the protective nets can be distributed and connected to facilitate interception and protection of some gravel and falling rocks, and the mesh rollers can be locked by tightening the nuts.

[0018] In order to facilitate the rapid disassembly and assembly of the hydraulic jack, the connecting seat and the supporting frame plate;

[0019] As a further improvement of the above technical solution: the upper end of the hydraulic push rod output end is plugged into the connecting seat, the output end of the hydraulic push rod is plugged into the support frame plate, the output end of the hydraulic push rod is integrated with a support plate, and the support plate is arranged on the lower side of the support frame plate.

[0020] The beneficial effects of this improvement are as follows: the upper end of the hydraulic push rod output end is plugged into the connecting seat, the output end of the hydraulic push rod is plugged into the support frame plate, the output end of the hydraulic push rod is integrated with a support plate, the support plate is arranged on the lower side of the support frame plate, which is convenient for rapid disassembly and assembly of the hydraulic push rod, the connecting seat and the support frame plate, and is convenient for transportation, and the support plate is arranged to place and support the support frame plate.

[0021] In order to adjust the placement position of the device in translation;

[0022] As a further improvement of the above technical solution: a track seat rod is arranged at the lower end of each hydraulic push rod, a track slider is slidably connected to the upper side of each track seat rod, and the hydraulic push rod is arranged on the upper side of the track slider.

[0023] The beneficial effect of this improvement is that the track slider is set to slide on the upper side of the track seat rod, thereby driving the hydraulic push rod to slide, which is convenient for driving the device to slide and facilitating translation adjustment of the placement position of the device when in use.

[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0027] Figure 3 It is a structural side view of the utility model;

[0028] Figure 4 This is a schematic diagram of the connection structure of the support frame plate in the utility model;

[0029] Figure 5 It is a top view of the connection structure of the support beam in the utility model;

[0030] In the figure: 1. hydraulic push rod; 2. connecting seat; 3. support beam; 4. telescopic beam; 5. hydraulic telescopic rod; 6. rotating rod; 7. push block; 8. support frame plate; 9. sliding block; 10. clamping rod; 11. fixed block; 12. mesh roller; 13. connecting ring; 14. track seat rod; 15. track slider; 16. support plate. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0032] like Figure 1 — Figure 5As shown: a coal mining advance support frame, including hydraulic push rods 1 arranged in parallel, the upper ends of the hydraulic push rods 1 are all provided with connecting seats 2, the upper sides of the connecting seats 2 are all rotatably provided with support beams 3, the sides of the support beams 3 close to each other are plugged with telescopic beams 4, the ends of the telescopic beams 4 close to each other are rotatably connected, a top block 7 is provided at the middle of the lower side of the rotation connection of the telescopic beam 4, the top block 7 is rotatably provided with rotating rods 6 on both sides close to the connecting seat 2, the side of the connecting seat 2 close to the rotating rod 6 is provided with a hydraulic telescopic rod 5, the The output ends of the hydraulic telescopic rod 5 are rotatably connected with the rotating rod 6 respectively, and the hydraulic telescopic rod 5 is started, and the output end of the hydraulic telescopic rod 5 pushes the rotating rod 6. After the rotating rod 6 is pushed, the upper end of the rotating rod 6 pushes the top block 7 upward, and the top block 7 pushes the telescopic beam 4 upward. After the telescopic beam 4 is pushed, it drives the support beam 3 to rotate upward relative to the connecting seat 2. At the same time, the telescopic beam 4 extends from the support beam 3, and the upper end of the telescopic beam 4 fits the middle top of the lane, which is convenient for making changes to the top of some lanes with high middle and low sides, and adjusting the angle to fit the lane top support. The support beam 3 and A plurality of clamping rods 10 are arranged on the upper side of the telescopic beam 4, and a placement groove is opened on the upper side of the clamping rod 10. When the device is used to support the tunnel, it is generally arranged in the tunnel. Auxiliary beams are arranged on the top of the support beam 3 to jointly support the top of the tunnel. The clamping rod 10 is arranged to facilitate the clamping and placement of the auxiliary beams. The upper sides of the support beam 3 and the telescopic beam 4 are connected and opened with adjustment grooves. The inner sides of the adjustment grooves are slidably clamped with adjustment blocks. The upper sides of the adjustment grooves are fixedly connected with the clamping rods 10 respectively, and the adjustment blocks slide in the adjustment grooves to facilitate the positioning of the clamping rods 10. The position adjustment is convenient for adjusting the position of the clamping rod 10 according to the specific conditions of the tunnel top, so as to adjust the supporting position of the auxiliary beam. A support frame plate 8 is arranged on the upper side of the hydraulic jack 1, and the support frame plate 8 is arranged on the lower side of the hydraulic telescopic rod 5. A through groove is opened in the middle of the upper side of the support frame plate 8, and a sliding block 9 is arranged in the through groove corresponding to the sliding engagement of the rotating rod 6. The sliding block 9 is fixedly connected to the output end of the hydraulic telescopic rod 5, and the sliding block 9 is rotatably connected to the lower end of the rotating rod 6. A support frame plate 8 is arranged, and a sliding block 9 is slidably arranged on the upper side of the support frame plate 8.The sliding block 9 can increase the supporting strength of the rotating rod 6. The two ends of one side of the support frame plate 8 are symmetrically provided with fixed blocks 11. The side of the fixed blocks 11 close to each other is rotatably provided with a mesh roller 12. The rotating shaft of the mesh roller 12 passes through the fixed block 11 to the other side and is threaded with a nut. The side of the support frame plate 8 away from the mesh roller 12 is equidistantly provided with a connecting ring 13. The mesh roller 12 and the connecting ring 13 are arranged between the support frame plates 8 of adjacent devices. The protective net can be distributed and connected to facilitate the interception and protection of some gravel and falling rocks. The mesh roller 12 can be locked by tightening the nut. The upper end of the output end of the hydraulic push rod 1 is plugged into the connecting seat 2, and the output end of the hydraulic push rod 1 is plugged into the support frame plate 8. The output end of the hydraulic push rod 1 is integrated with a support plate 16, and the support plate 16 is arranged on the support On the lower side of the support plate 8, the upper end of the output end of the hydraulic push rod 1 is plugged with the connecting seat 2, and the output end of the hydraulic push rod 1 is plugged with the support frame plate 8. The output end of the hydraulic push rod 1 is integrated with a support plate 16, which is arranged on the lower side of the support frame plate 8, so as to facilitate the rapid disassembly and assembly of the hydraulic push rod 1, the connecting seat 2 and the support frame plate 8, and facilitate transportation. The support plate 16 is arranged to support the support frame plate 8. The lower end of the hydraulic push rod 1 is provided with a track seat rod 14, and the upper side of the track seat rod 14 is provided with a track slider 15 for sliding engagement. The hydraulic push rod 1 is arranged on the upper side of the track slider 15, and the track slider 15 is arranged to slide on the upper side of the track seat rod 14, thereby driving the hydraulic push rod 1 to slide, which is convenient for driving the device to slide, and is convenient for translating and adjusting the placement position of the device when in use.

[0033] The working principle and use process of this utility model:

[0034] When in use, the hydraulic push rod 1 is placed on both sides of the tunnel and started. The output end of the hydraulic push rod 1 pushes the support beam 3 upward through the connecting seat 2 until the upper side of the support beam 3 is close to the top of both sides of the tunnel. Then the hydraulic telescopic rod 5 is started. The output end of the hydraulic telescopic rod 5 pushes the rotating rod 6. After the rotating rod 6 is pushed, the upper end of the rotating rod 6 pushes the push block 7 upward, and the push block 7 pushes the telescopic beam 4 upward. After the telescopic beam 4 is pushed, it drives the support beam 3 to rotate upward relative to the connecting seat 2. At the same time, the telescopic beam 4 extends from the support beam 3. The upper end of the shrink beam 4 fits the middle top of the tunnel, which is convenient for making changes to the top of some tunnels that are high in the middle and low on both sides, and adjusting the angle to fit the tunnel top support. In addition, when in use, the device is generally arranged in the tunnel when supporting the tunnel. Auxiliary beams will be arranged on the top of the support beam 3 to jointly support the tunnel top, and a clamping rod 10 is provided to facilitate the clamping and placement of the auxiliary beam. In addition, when in use, the adjustment block slides in the adjustment groove to facilitate the position adjustment of the clamping rod 10, which is convenient for adjusting the clamping rod according to the specific conditions of the tunnel top. 10 is positioned to adjust the supporting position of the auxiliary beam. In addition, when in use, a support frame plate 8 is set, and a sliding block 9 is slidably set on the upper side of the support frame plate 8. The sliding block 9 can increase the supporting strength of the rotating rod 6. In addition, when in use, a mesh roller 12 and a connecting ring 13 are set between the support frame plates 8 of adjacent devices, and a protective net can be distributed and connected to facilitate interception and protection of some gravel and falling rocks. The mesh roller 12 can be locked by tightening the nut. In addition, when in use, the upper end of the output end of the hydraulic push rod 1 is plugged into the connecting seat 2, and the hydraulic push rod The output end of 1 is plugged into the support frame plate 8, and the output end of the hydraulic push rod 1 is integrated with a support plate 16, which is arranged on the lower side of the support frame plate 8, so as to facilitate the rapid disassembly and assembly of the hydraulic push rod 1, the connecting seat 2 and the support frame plate 8, and facilitate transportation. The support plate 16 is arranged to support the support frame plate 8 for placement. In addition, when in use, a track slider 15 is arranged to slide on the upper side of the track seat rod 14, so as to drive the hydraulic push rod 1 to slide, so as to facilitate the sliding of the device and facilitate the translation adjustment of the placement position of the device when in use.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A coal mining advance support frame, characterized in that: The invention comprises hydraulic push rods (1) arranged in parallel, wherein the upper ends of the hydraulic push rods (1) are each provided with a connecting seat (2), the upper sides of the connecting seats (2) are each provided with a support beam (3) rotatably, the sides of the supporting beams (3) close to each other are each provided with a telescopic beam (4) inserted therein, the ends of the telescopic beams (4) close to each other are rotatably connected, a push block (7) is provided at the middle part of the lower side of the rotatable connection of the telescopic beam (4), the two sides of the push block (7) close to the connecting seat (2) are each provided with a rotating rod (6), the side of the connecting seat (2) close to the rotating rod (6) is provided with a hydraulic telescopic rod (5), and the output ends of the hydraulic telescopic rod (5) are respectively rotatably connected to the rotating rod (6).

2. A coal mining advance support frame according to claim 1, characterized in that: A plurality of clamping rods (10) are arranged on the upper sides of the support beam (3) and the telescopic beam (4), and a placement groove is provided on the upper sides of the clamping rods (10).

3. The coal mining advance support frame according to claim 1, characterized in that: The upper sides of the support beam (3) and the telescopic beam (4) are both connected and provided with adjustment grooves, the inner sides of the adjustment grooves are both provided with adjustment blocks for sliding engagement, and the upper sides of the adjustment grooves are respectively fixedly connected to the clamping rods (10).

4. The coal mining advance support frame according to claim 1, characterized in that: A support frame plate (8) is arranged on the upper side of the hydraulic push rod (1), and the support frame plate (8) is arranged on the lower side of the hydraulic telescopic rod (5). A through groove is opened in the middle of the upper side of the support frame plate (8), and a sliding block (9) is arranged in the through groove corresponding to the rotating rod (6) for sliding engagement. The sliding block (9) is fixedly connected to the output end of the hydraulic telescopic rod (5), and the sliding block (9) is rotatably connected to the lower end of the rotating rod (6).

5. The coal mining advance support frame according to claim 4 is characterized in that: Fixed blocks (11) are symmetrically arranged at both ends of one side of the support frame plate (8); a mesh roller (12) is rotatably arranged on the side of the fixed blocks (11) close to each other; the rotating shaft of the mesh roller (12) passes through the fixed blocks (11) to the other side where a nut is threadedly arranged; and a connecting ring (13) is equidistantly arranged on the side of the support frame plate (8) away from the mesh roller (12).

6. The coal mining advance support frame according to claim 1, characterized in that: The upper end of the output end of the hydraulic push rod (1) is plugged into the connecting seat (2), and the output end of the hydraulic push rod (1) is plugged into the support frame plate (8). The output end of the hydraulic push rod (1) is integrally provided with a support plate (16), and the support plate (16) is arranged on the lower side of the support frame plate (8).

7. The coal mining advance support frame according to claim 1, characterized in that: The lower end of the hydraulic push rod (1) is provided with a track seat rod (14), the upper side of the track seat rod (14) is provided with a track slider (15) in a sliding manner, and the hydraulic push rod (1) is arranged on the upper side of the track slider (15).

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