Coal mine non-repeated advanced hydraulic support for continuous beam rail transportation

Abstract

The invention provides a coal mine non-repeated advanced hydraulic support for continuous beam rail transportation, which comprises a walking device, a support transportation device and a gate-type support assembly, by arranging the walking device, the gate-type support is transferred on the walking device so as to conveniently reach a coal mine tunnel, and the supports are transported to a specified supporting place one by one by means of the support transportation device, so that the support is convenient to transport. The door-type support can be conveniently unfolded on a supporting operation face, so that in the actual operation process, movement of the walking device, placement of the door-type support on the walking device and movement of the door-type support on the walking device through the support conveying device can be controlled by equipment, and the operation efficiency is improved. The support moving efficiency of assembling, fixing and following the excavation progress of the portal support in a mining operation area is improved, the supporting efficiency is improved, the adaptability of the bottom plate is improved, the roadway is adapted, the construction risk of personnel is reduced, and the labor operation intensity is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of mining equipment, in particular to a non-repeated advance hydraulic support for coal mines transported by continuous beam rails. Background Art

[0002] Coal is my country's basic energy source, and its mining is gradually transitioning towards mechanization replacing humans, automation reducing manpower, and intelligent unmanned mining, which puts higher demands on coal mining equipment.

[0003] Early coal mine support equipment includes wooden support, metal friction support and single hydraulic support. However, as shown in Technical Proposal 201410061561.2, although the support strength of single hydraulic support has been greatly improved compared with previous generations of products, up to 350KN, it requires personnel to repeatedly add the equipment to the working surface for transportation. The labor intensity is high, the support efficiency is low, the efficiency of frame movement is low, repeated loading of the roof causes premature damage to the roof, the adaptability of the bottom plate is poor, and it is not suitable for thin coal seam tunnels, which is not conducive to intelligent production in coal mines. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to provide a coal mine hydraulic support with continuous beam rail transportation without repeated advance, so as to solve the problems in the prior art that the support needs to be repeatedly carried by personnel, the labor intensity of personnel is high, the support efficiency is low, the efficiency of frame movement is low, the roof is repeatedly loaded causing premature damage to the roof, the adaptability of the bottom plate is poor, it is not suitable for thin coal seam tunnels, and it is not conducive to intelligent production of coal mines.

[0005] The present invention provides a coal mine hydraulic support without repeated advance for continuous beam rail transportation, comprising a traveling device, a support transportation device and a portal support assembly;

[0006] The walking device comprises a walking frame, a walking telescopic rod, a first walking leg and a second walking leg, wherein the first walking leg is slidably connected to the walking frame, and the second walking leg is fixedly connected to the walking frame, and the two ends of the walking telescopic rod are respectively connected to the walking frame and the first walking leg, so as to drive the first walking leg to adjust the distance between the first walking leg and the second walking leg;

[0007] The support transport device comprises a transport frame, a driving motor and a transport lifting leg, wherein the transport frame is movably arranged on the walking frame through the driving motor, the transport lifting leg is connected to the transport frame, and the transport lifting leg is used to lift or lower the transport frame;

[0008] The gantry support assembly includes a telescopic top beam and telescopic legs. The telescopic top beam contacts or detaches from the transport frame and includes a first top beam and a second top beam. The second top beam is slidably connected to both ends of the first top beam. The telescopic top beam consists of two parts, the first top beam and the second top beam, and the telescopic legs are connected to the second top beam.

[0009] Different from the prior art, the above technical solution has the following advantages: by setting up a walking device, the gantry support is transported on the walking support, which is convenient for reaching the coal mine tunnel, and the support transport device is used to transport the supports one by one to the designated support location, so that the gantry support can be deployed on the support working surface, so that in the actual operation process, the movement of the walking device, the placement of the gantry support on the walking device, and the movement of the gantry support on the walking device by the support transport device can all be controlled by the equipment, providing the gantry support assembly and fixation in the mining operation area and follow-up of the excavation progress. The efficiency of the frame movement and support is improved, the adaptability of the bottom plate is improved, it adapts to the tunnel, reduces the construction risk of personnel, and reduces the labor intensity. Improve the convenience of the equipment use process.

[0010] As a preferred embodiment of the present application, the support transport device further includes a transverse movement assembly, which is arranged on the transport frame, and the telescopic top beam of the portal support assembly is arranged on the transverse movement assembly. By providing the transverse movement assembly, it is convenient to fine-tune the portal support assembly in the transverse direction, further improving the adaptability of the support area of ​​the working surface.

[0011] As a preferred embodiment of the present application, the support transport device further comprises a clamping assembly, which is arranged on a transport frame of the support transport device, and the telescopic top beam of the gantry support assembly is assembled on the clamping assembly in a liftable manner. By providing the clamping assembly, the gantry support assembly can be fixed by the clamping assembly during the movement.

[0012] As a preferred embodiment of the present application, the support transport device is used to move the transport frame along the direction of the travel frame by driving a preset gear on the motor to mesh with a preset rack on the travel frame. By setting a gear rack, it is easy to realize the driving motor to move the support transport device on the travel frame.

[0013] As a preferred embodiment of the present application, the walking device further comprises a supporting telescopic rod, which is arranged above the walking frame. By arranging the supporting telescopic rod, when the walking device is stationary, it is convenient to rely on the telescopic supporting rod to perform contact positioning and support above the coal mine tunnel.

[0014] As a preferred embodiment of the present application, the telescopic legs include a base and a column, the base and the column are telescopically connected, the base is used to contact or detach from the ground, and the column is connected to the second top beam. By providing the base and the column, it is convenient to lift and lower the gantry bracket assembly and support it on the ground.

[0015] As a preferred embodiment of the present application, the driving motor is arranged under the transport frame.

[0016] As a preferred embodiment of the present application, the first top beam and the second top beam are telescopically moved by a hydraulic telescopic rod. The hydraulic telescopic rod is provided between the first top beam and the second top beam to facilitate the telescopic movement, and after the second top beam extends out of the two ends of the first top beam, it is positioned at a specified width.

[0017] As a preferred embodiment of the present application, the telescopic travel rod of the walking device is a hydraulic jack.

[0018] As a preferred embodiment of the present application, the telescopic walking rod is arranged under the walking frame. By arranging the telescopic walking rod under the walking frame, it is convenient to free up the space above the walking frame to facilitate the movement of the bracket transport device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of a hydraulic support for coal mines without repeated advance in continuous beam rail transportation according to an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the detailed structure of a support transport device in an embodiment of the present invention;

[0022] Figure 3 It is a detailed structural schematic diagram of the walking device in an embodiment of the present invention;

[0023] Figure 4 Schematic diagram of the detailed structure of the portal bracket assembly in an embodiment of the present invention;

[0024] Figure 5 It is a schematic diagram of the detailed structure of the telescopic legs in an embodiment of the present invention.

[0025] The reference numerals in the above drawings are described as follows:

[0026] 10. Walking device;

[0027] 11. Traveling frame; 12. Support telescopic rod; 13. Traveling telescopic rod;

[0028] 14. The first walking leg; 15. The second walking leg;

[0029] 20. Bracket transport device;

[0030] 21. Transport frame; 22. Driving motor; 23. Transport lifting legs;

[0031] 24. Transverse movement assembly; 25. Clamping assembly;

[0032] 30. Door bracket assembly;

[0033] 31. Telescopic top beam; 32. First top beam; 33. Second top beam;

[0034] 34. Telescopic legs; 35. Base; 36. Column. DETAILED DESCRIPTION

[0035] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0036] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0037] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0038] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0039] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0040] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0041] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0042] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0043] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] Please also read Figures 1 to 5 The inventor provides a coal mine hydraulic support with non-repeated advance for continuous beam rail transportation, including a walking device 10, a support transportation device 20 and a portal support assembly 30.

[0045] The walking device 10 includes a walking frame 11, a walking telescopic rod 13, a first walking leg 14 and a second walking leg 15. The first walking leg 14 is slidably connected to the walking frame 11, and the second walking leg 15 is fixedly connected to the walking frame 11. The two ends of the walking telescopic rod 13 are respectively connected to the walking frame 11 and the first walking leg 14, so as to drive the second walking leg 15 to adjust the distance between itself and the first walking leg 14.

[0046] The support transport device 20 includes a transport frame 21, a driving motor 22 and a transport lifting leg 23. The transport frame 21 is movably arranged on the walking frame 11 through the driving motor 22. The transport lifting leg 23 is connected to the transport frame 21. The transport lifting leg 23 is used to lift or lower the transport frame 21.

[0047] The portal support assembly 30 includes a telescopic top beam 31 and telescopic legs 34 . The telescopic top beam 31 contacts or disengages from the transport frame 21 , and includes a first top beam 32 and a second top beam 33 . The second top beam 33 is slidably connected to both ends of the first top beam 32 , and the telescopic legs 34 are connected to the second top beam 33 .

[0048] According to the above structure, in the actual use of the hydraulic support without repeated advance in the coal mine transported by the continuous beam rail, when the walking device 10 needs to move, the first walking leg 14 is controlled to retract, the second walking leg 15 supports the ground, and the walking telescopic rod 13 drives the first walking leg 14 to slide on the walking frame and move in the prepared forward direction of the walking device 10, then the first walking leg 14 is dropped, and the second walking leg 15 is retracted, so that the walking frame 11 and the second walking leg 15 move under the action of the walking telescopic rod 13, and the second walking leg 15 is dropped after reaching the position, and the above action is repeated until the walking device 10 drives the support transport device 20 and the gantry support assembly 30 placed on the support transport device 20 to reach the designated support area of ​​the coal mine tunnel. Or after completing the support, if it is necessary to leave the designated support area of ​​the coal mine tunnel, the first walking leg 14 and the second walking leg 15 alternately support the ground, so that the walking telescopic rod 13 is driven and moves in the prepared backward direction, so as to realize the ability of the walking device to change the tail to the head and the cycle stepping.

[0049] Then, the support transport device 20 is operated, and the transport frame 21 is moved on the walking frame 11 by driving the motor 22, driving the gantry support assembly 30 to move to the designated support area of ​​the coal mine tunnel, and then the transport lifting legs 23 are lowered to carry the transport frame 21, and the transport frame 21 and the gantry support assembly 30 assembled on the transport frame 21 are lifted to the support surface area of ​​the coal mine tunnel.

[0050] When operating the gantry support assembly 30 to unfold the telescopic top beam 31 and the telescopic legs 34 to support the ground and carry the load at a fixed location, the second top beam 33 of the telescopic top beam 31 is first unfolded toward the outside direction of the two ends of the first top beam 32, and the telescopic legs connected to the second top beam 33 are unfolded together, and then the telescopic legs 34 are lifted to make the first top beam 32 and the second top beam 33 of the telescopic top beam 31 abut against the coal mine bearing area to complete the erection of a single gantry support assembly 30. When multiple gantry support assemblies 30 are arranged on the transport frame 21, the next gantry support assembly 30 is moved to the designated location for fixation through the continued movement of the walking device 10 and the continued movement of the support transport device 20.

[0051] By setting up a walking device 10, the gantry support is transferred on the walking device to facilitate reaching the coal mine tunnel, and relying on the support transportation device 20, the supports are transported one by one to the designated supporting location, so that the gantry support can be deployed on the supporting working surface. In the actual operation process, the movement of the walking device 10, the placement of the gantry support on the walking device 10, and the movement of the gantry support on the walking device 10 by the support transportation device 20 can all be controlled by the equipment, providing the gantry support assembly and fixation in the mining operation area and the follow-up of the excavation progress. The efficiency of the frame movement and support is improved, the adaptability of the bottom plate is improved, it adapts to the tunnel, reduces the construction risk of personnel, and reduces the labor work intensity.

[0052] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the support transport device 20 further includes a transverse movement assembly 24, which is arranged on the transport frame 21, and the telescopic top beam 31 of the portal support assembly 30 is arranged on the transverse movement assembly 24. The transverse movement assembly can be driven by rollers and guide rails, or by gear racks for movement, and a roller locking or limiting device is preset for static processing. By setting the transverse movement assembly 24, it is convenient to fine-tune the portal support assembly 30 in the transverse direction, further improving the adaptability of the support area of ​​the working surface.

[0053] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the support transport device 20 further includes a clamping assembly 25, which is arranged on the transport frame 21 of the support transport device 20, and the telescopic top beam 31 of the portal support assembly 30 can be lifted and lowered on the clamping assembly 25. The clamping assembly can be extended and retracted by a hydraulic rod, and is used to clamp the portal support assembly 30 with a preset plate and support structure on the clamping assembly. By setting the clamping assembly 25, it is convenient to fix the portal support assembly 30 by relying on the clamping assembly 25 during the movement.

[0054] The support transport device 20 further includes a clamping assembly 25, which is disposed on the transverse moving assembly 24, and a telescopic top beam 31 of the portal support assembly 30 is assembled on the clamping assembly 25. By providing the clamping assembly 25, it is convenient to fix the portal support assembly 30 during the movement.

[0055] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the support transport device 20 is used to move the transport frame 21 along the direction of the traveling frame 11 by driving the preset gear on the motor 22 to mesh with the preset rack on the traveling frame 11. By setting the gear rack, it is convenient to realize the driving motor 22 to move the support transport device 20 on the traveling frame 11.

[0056] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the traveling device 10 further includes a supporting telescopic rod 12, which is arranged above the traveling frame 11. By arranging the supporting telescopic rod 12, the supporting telescopic rod 12 is always in a retracted state during the entire movement of the traveling device 10, until the traveling frame 11 stops, and then the supporting telescopic rod 12 is extended upward to support the upper part of the coal mine tunnel.

[0057] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the telescopic legs include a base 35 and a column 36, the base 35 and the column 36 are telescopically connected, the base 35 is used to contact or leave the ground, and the column 36 is connected to the second top beam 33. By providing the base 35 and the column 36, it is convenient to lift and lower the gantry bracket assembly 30 and support it on the ground.

[0058] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the driving motor 22 is arranged under the transport frame 21.

[0059] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the first top beam 32 and the second top beam 33 are telescopically moved by a hydraulic telescopic rod. By setting the hydraulic telescopic rod between the first top beam 32 and the second top beam 33, the telescopic movement is facilitated, and after the second top beam 33 extends out of the two ends of the first top beam 32, the positioning process is performed at a specified width.

[0060] Please also read Figures 1 to 5 As a preferred embodiment of the present application, the telescopic travel rod 13 of the travel device 10 is a hydraulic jack.

[0061] Please also read Figures 1 to 5As a preferred embodiment of the present application, by arranging the telescopic travel rod 13 under the traveling frame 11, it is convenient to free up the space above the traveling frame 11 to facilitate the movement of the support transport device 20.

[0062] In the above embodiment, the first walking leg 14 and the walking frame 11 can be slidably connected by a preset slide rail or a groove adapted to a sliding block.

[0063] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A hydraulic support for continuous beam rail transportation in coal mines without repeated advance, characterized in that: It includes a walking device, a support transport device and a portal support assembly; The walking device comprises a walking frame, a walking telescopic rod, a first walking leg and a second walking leg, wherein the first walking leg is slidably connected to the walking frame, and the second walking leg is fixedly connected to the walking frame, and the two ends of the walking telescopic rod are respectively connected to the walking frame and the first walking leg, so as to drive the first walking leg to adjust the distance between the first walking leg and the second walking leg; The support transport device comprises a transport frame, a driving motor and a transport lifting leg, wherein the transport frame is movably arranged on the walking frame through the driving motor, the transport lifting leg is connected to the transport frame, and the transport lifting leg is used to lift or lower the transport frame; The portal support assembly includes a telescopic top beam and telescopic legs. The telescopic top beam contacts or separates from the transport frame and includes a first top beam and a second top beam. The second top beam is slidably connected to both ends of the first top beam, and the telescopic legs are connected to the second top beam.

2. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The support transport device also includes a transverse movement component, which is arranged on the transport frame, and the telescopic top beam of the portal support assembly is arranged on the transverse movement component.

3. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The support transport device also includes a clamping assembly, which is arranged on a transport frame of the support transport device, and the telescopic top beam of the portal support assembly can be assembled on the clamping assembly in a liftable manner.

4. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The support transport device is used to move the transport frame along the direction of the traveling frame by engaging with a preset gear on the driving motor with a preset rack on the traveling frame.

5. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The walking device also includes a supporting telescopic rod, which is arranged above the walking frame.

6. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The telescopic legs include a base and a column, the base and the column are telescopically connected, the base is used to contact or detach from the ground, and the column is connected to the second top beam.

7. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The driving motor is arranged below the transport frame.

8. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The first top beam and the second top beam perform telescopic movement via a hydraulic telescopic rod.

9. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1 is characterized in that: The telescopic travel rod of the traveling device is a hydraulic jack.

10. The coal mine non-repeated advance hydraulic support for continuous beam rail transportation according to claim 1, characterized in that: The walking telescopic rod is arranged below the walking frame.

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