Mining hydraulic supporting device

Abstract

The utility model relates to the technical field of mining equipment, in particular to a mining hydraulic supporting device which comprises a base, the top of the base is fixedly connected with a hydraulic support, the top of the hydraulic support is provided with a support top beam, the bottom of the support top beam is in contact with an auxiliary top beam, and extending supports are arranged on the two sides of the auxiliary top beam. According to the turnover device, through cooperation of the bearing column, the telescopic hydraulic rod, the threaded column, the threaded base, the auxiliary plate, the protective support, the sliding support and the turnover hydraulic rod, the supporting area of different positions can be increased; when the telescopic hydraulic rod is pulled by the rotating force of the threaded column, the auxiliary top beam and the extending support rotate around the circumference of the bearing column, the adjusted area can be displaced, the sliding support slides on the protection support through assistance of the telescopic hydraulic rod, the extending support is adjusted to be used in a vertical inclined supporting mode, and the supporting device is suitable for different positions and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining equipment technical field, concretely is a mine hydraulic support device. BACKGROUND

[0002] In the process of drilling in coal mine, often need to support the column, the support column on the market at present adopts hydraulic oil as the working medium, mine hydraulic equipment structure is complex, realize in the roadway or mining working face to the top or side of working face and provide a safe and stable mining working face to carry out coal mining.

[0003] Through the research, the announcement number CN204371397U, name is a mine hydraulic support device, including support base, support roof beam and the support hydraulic cylinder connected between support base and support roof beam, through research and analysis found, although support hydraulic cylinder has simple structure, reasonable in design, can bear the lateral pressure, when roof beam receives lateral pressure, the inclined hydraulic cylinder will bear the function of force to the other side of the tilting trend, has the advantages such as, but, to some extent, there are still the following shortcomings:

[0004] For example: the support device has certain supporting function, can not automatically adjust the supporting degree according to different mining face surrounding rock, can not provide stable limiting function to lateral pressure in the use process, lead to the stability of support device is low, there is no adjusting structure on the support device, can not be used according to the actual demand of the scene, reduce the flexibility and work efficiency of support device, in order to solve the above technical problems, for this we design a kind of mine hydraulic support device to solve the above problems are very necessary. UTILITY MODEL CONTENTS

[0005] The utility model is to provide a kind of mine hydraulic support device, with the advantages of being very adaptable to different mining face surrounding rock, ensure the safety and stability of support device, solve the problem that can not provide stable limiting function to lateral pressure, can not efficiently utilize the use range of supporting force in the use process.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a mine hydraulic support device, including the base, the top of base is fixedly connected with hydraulic support, the top of hydraulic support is provided with support roof beam, the bottom of support roof beam is contacted with auxiliary roof beam, the both sides of auxiliary roof beam are provided with extension support, one side of hydraulic support is fixedly connected with main connecting rod, the surface of support roof beam is provided with adjusting mechanism, adjusting mechanism includes telescopic hydraulic rod, the top of telescopic hydraulic rod is fixedly connected with auxiliary roof beam, the bottom of telescopic hydraulic rod is fixedly connected with threaded column, the inner wall of main connecting rod is embedded and is installed with threaded seat, the bottom of auxiliary roof beam is welded with auxiliary plate, the bottom of extension support is welded with protection support, the surface of protection support is movably equipped with sliding support, the sliding support and auxiliary plate are provided with turnover hydraulic.

[0007] Preferably, the bottom of the threaded column penetrates the main connecting rod, and the threaded column and the inner wall of the threaded seat are threadedly connected.

[0008] Preferably, the bottom of the turnover hydraulic penetrates the auxiliary plate, and the top of the turnover hydraulic is movably connected with the sliding support through a rotating shaft.

[0009] Preferably, the surface of the hydraulic support is fixedly connected with a support hydraulic cylinder, one end of the support hydraulic cylinder is fixedly connected with an auxiliary rod, and the top of the auxiliary rod is welded with an extension beam.

[0010] Preferably, the extension beam extends to the inner cavity of the support roof beam on opposite sides and is movably connected with the inner wall of the support roof beam, and the auxiliary rod and the opposite side of the hydraulic support are movably connected with an inclined hydraulic cylinder through a rotating shaft.

[0011] Preferably, a bearing column is movably connected at the center position of the support roof beam and the auxiliary roof beam, and the surface of the extension support is movably connected with the side edge of the auxiliary roof beam through hinging.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、The utility model discloses a bearing column, telescopic hydraulic rod, threaded column, threaded seat, auxiliary plate, protection support, sliding support and turnover hydraulic cooperation, realize can to different position increase support area, when telescopic hydraulic rod boost threaded column and threaded seat screw drive, when telescopic hydraulic rod is pulled by threaded column rotation force and makes auxiliary roof beam and extension support rotate around bearing column circumference, can carry out displacement to the area of adjustment, and the sliding support is adjusted in protection support sliding by telescopic hydraulic rod power, and extension support is used to make it adapt to different positions and facilitate use.

[0014] 2. The utility model realizes adjustable tilt of the extension support through the cooperation of the bracket hydraulic cylinder, auxiliary rod, extension beam and tilt hydraulic cylinder, so that the bracket hydraulic cylinder pushes the extension beam to slide vertically along the inner surface of the bracket top beam, driving the tilt support degree adjustment of the tilt hydraulic cylinder. The cooperation of the tilt hydraulic cylinder and the bracket hydraulic cylinder makes the auxiliary rod form a triangular stable support device. The scientific mechanical structure is adopted, so that the auxiliary rod can automatically adjust the support point according to the working status of the extension beam while bearing natural forces such as wind load and snow load, and can maintain long-term durability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 This is a bottom-up perspective diagram of the present invention;

[0017] Figure 3 It is a partial three-dimensional schematic diagram of the utility model.

[0018] In the figure: 1. Base; 2. Hydraulic support; 3. Bracket top beam; 4. Auxiliary top beam; 5. Extension support; 6. Main connecting rod; 7. Adjustment mechanism; 8. Telescopic hydraulic rod; 9. Threaded column; 10. Threaded seat; 11. Auxiliary plate; 12. Protective bracket; 13. Sliding support; 14. Flip hydraulic; 15. Bracket hydraulic cylinder; 16. Auxiliary rod; 17. Extension beam; 18. Tilt hydraulic cylinder; 19. Bearing column. DETAILED DESCRIPTION

[0019] See also Figures 1-3 A hydraulic support device for mining includes a base 1, the top of the base 1 is fixedly connected to a hydraulic support 2, the top of the hydraulic support 2 is provided with a support top beam 3, the bottom of the support top beam 3 is in contact with an auxiliary top beam 4, and extension supports 5 are provided on both sides of the auxiliary top beam 4. The opposite side of the hydraulic support 2 is fixedly connected to a main connecting rod 6, and the surface of the support top beam 3 is provided with an adjustment mechanism 7. The adjustment mechanism 7 includes a telescopic hydraulic rod 8, the top of the telescopic hydraulic rod 8 is fixedly connected to the auxiliary top beam 4, the bottom of the telescopic hydraulic rod 8 is fixedly connected with a threaded column 9, the inner wall of the main connecting rod 6 is inlaid with a threaded seat 10, the bottom of the auxiliary top beam 4 is welded with an auxiliary plate 11, and the bottom of the extension support 5 is welded with a protective bracket 12. The surface of the protective bracket 12 is movably sleeved with a sliding support 13, and a flip hydraulic 14 is provided between the sliding support 13 and the auxiliary plate 11.

[0020] See also Figure 1 and Figure 2 The bottom of the threaded column 9 passes through the main connecting rod 6. By setting the main connecting rod 6, it can effectively absorb and disperse seismic energy, making the hydraulic support 2 move more smoothly. The threaded column 9 and the inner wall of the threaded seat 10 are threadedly connected.

[0021] Please refer to Figure 1 and Figure 2 , the bottom of the turnover hydraulic pressure 14 penetrates through the auxiliary plate 11, by setting the auxiliary plate 11, a supporting point is provided for the turnover hydraulic pressure 14, facilitating the operation of the turnover hydraulic pressure 14, the top of the turnover hydraulic pressure 14 is movably connected with the sliding support 13 through the rotating shaft.

[0022] Please refer to Figure 1 , the surface of the hydraulic support 2 is fixedly connected with the bracket hydraulic cylinder 15, one end of the bracket hydraulic cylinder 15 is fixedly connected with the auxiliary rod 16, the top of the auxiliary rod 16 is welded with the extension beam 17, by setting the extension beam 17, the supported object is stably supported, the overall structure of the bracket top beam 3 is improved.

[0023] Please refer to Figure 2 , the opposite sides of the extension beam 17 extend to the inner cavity of the bracket top beam 3 and are movably connected with the inner wall of the bracket top beam 3, the opposite side of the auxiliary rod 16 and the hydraulic support 2 is movably connected with the inclined hydraulic cylinder 18 through the rotating shaft, by setting the inclined hydraulic cylinder 18, the lateral pressure can be borne, when the extension beam 17 is subjected to lateral pressure, the inclined hydraulic cylinder 18 will bear the force tending to tilt to the other side.

[0024] Please refer to Figure 1 and Figure 3 , the bearing column 19 is movably connected at the center position of the bracket top beam 3 and the auxiliary top beam 4, by setting the bearing column 19, the auxiliary top beam 4 is prevented from deviating from the original track, and the usability is improved, the surface of the extension support 5 is movably connected through the hinged connection with the side edge of the auxiliary top beam 4.

[0025] In use, the base 1 of the device is connected with the existing support device, and after installation is completed in the well, the hydraulic support 2 and the support hydraulic cylinder 15 are extended to support, the hydraulic support 2 can be adjusted in height to move the support top beam 3 to the required height, the support hydraulic cylinder 15 is adjusted to push the auxiliary rod 16 to support, the extension beam 17 is displaced away from the inner cavity of the support top beam 3, and the required spacing is adjusted to expand the support area on both sides, the extension beam 17 is moved transversely to guide the inclination of the auxiliary rod 16 to the inclination hydraulic cylinder 18, the inclination hydraulic cylinder 18 is extended and retracted, and through the cooperation of the inclination hydraulic cylinder 18, the support hydraulic cylinder 15 and the auxiliary rod 16, the device is a mechanical connecting piece triangular support stable structure, which can greatly enhance its rationality, firmness, stability and durability, the telescopic hydraulic rod 8 and the turnover hydraulic 14 are started to support, the telescopic hydraulic rod 8 can automatically adjust the parameters of the threaded column 9 according to the support point, the threaded column 9 is rotated and the threaded seat 10 is screwed to drive the auxiliary top beam 4 to slide transversely, the auxiliary top beam 4 is moved to a certain position according to the installation requirement, and the turnover hydraulic 14 is vertically telescopic, and the sliding support 13 is pushed to slide transversely on the surface of the protection support 12, the extension support 5 is adjusted in inclination during the sliding of the sliding support 13, so that the support point on the surface of the extension support 5 is adjusted to tightly abut against the mining face.

[0026] In summary: the mine hydraulic support device, through the cooperation of the base 1, the hydraulic support 2, the support top beam 3, the auxiliary top beam 4, the extension support 5, the main connecting rod 6 and the adjusting mechanism 7, solves the problems that stable limiting function cannot be provided for lateral pressure and support force range cannot be efficiently utilized in use.

Claims

1. A hydraulic support device for mining, comprising a base (1), characterised in that: The top of the base (1) is fixedly connected with a hydraulic support (2), the top of the hydraulic support (2) is provided with a support top beam (3), the bottom of the support top beam (3) is in contact with an auxiliary top beam (4), the two sides of the auxiliary top beam (4) are provided with an extension support (5), the opposite side of the hydraulic support (2) is fixedly connected with a main connecting rod (6), the surface of the support top beam (3) is provided with an adjusting mechanism (7), the adjusting mechanism (7) comprises a telescopic hydraulic rod (8), the top of the telescopic hydraulic rod (8) is fixedly connected with the auxiliary top beam (4), the bottom of the telescopic hydraulic rod (8) is fixedly connected with a threaded column (9), the inner wall of the main connecting rod (6) is embeddedly installed with a threaded seat (10), the bottom of the auxiliary top beam (4) is welded with an auxiliary plate (11), the bottom of the extension support (5) is welded with a protective support (12), the surface of the protective support (12) is movably sleeved with a sliding support (13), the sliding support (13) and the auxiliary plate (11) are provided with a turnover hydraulic (14).

2. A hydraulic support device for use in a mine according to claim 1 wherein: The bottom of the threaded column (9) penetrates the main connecting rod (6), and the threaded column (9) and the threaded seat (10) are in threaded connection.

3. The hydraulic support device for a mine according to claim 1, characterized by: The bottom of the turnover hydraulic (14) penetrates the auxiliary plate (11), and the top of the turnover hydraulic (14) is movably connected with the sliding support (13) through a rotating shaft.

4. The hydraulic support device for a mine according to claim 1, characterized by: The surface of the hydraulic support (2) is fixedly connected with a support hydraulic cylinder (15), one end of the support hydraulic cylinder (15) is fixedly connected with an auxiliary rod (16), and the top of the auxiliary rod (16) is welded with an extension beam (17).

5. A hydraulic support apparatus for use in a mine according to claim 4 wherein: The opposite sides of the extension beam (17) extend to the inner cavity of the support top beam (3) and are movably connected with the inner wall of the support top beam (3), and the opposite side of the auxiliary rod (16) and the hydraulic support (2) is movably connected with an inclined hydraulic cylinder (18) through a rotating shaft.

6. The hydraulic support device for a mine according to claim 1, characterized by: The center positions of the support top beam (3) and the auxiliary top beam (4) are movably connected with a bearing column (19), and the surface of the extension support (5) is movably connected with the side edge of the auxiliary top beam (4) through hinging.

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