Roadway supporting equipment for coal mining tunneling

Abstract

The utility model relates to coal mining tunneling roadway supporting equipment which comprises three supporting boxes, transverse plates are fixedly installed in the three supporting boxes, four hydraulic cylinders are fixedly installed on the tops of the transverse plates, supporting plates are fixedly installed on the tops of the hydraulic cylinders, and the supporting plates are fixedly installed on the tops of the hydraulic cylinders. And a functional seat is fixedly mounted at the top of the supporting plate, and a functional assembly is arranged in the functional seat. According to the roadway supporting equipment for coal mining tunneling, by arranging the stabilizing assembly, through cooperation of a double-shaft motor, a first rotating rod and the like, firstly, the device can be conveniently moved to any place by arranging universal wheels, so that a steel belt moves to drive a supporting seat to move to be attached to the construction ground, and through cooperation of the steel belt and a stabilizing seat attached to the ground, the supporting seat is fixed; the device can be effectively fixed, so that the device can be conveniently supported, and the height of a supporting arc plate can be changed through the arrangement of a functional assembly and the cooperation of an adjusting outer cylinder and an adjusting inner cylinder.

Description

Technical Field

[0001] This utility model relates to the field of coal mining and tunneling technology, specifically to a roadway support device for coal mining and tunneling. Background Technology

[0002] Coal mining and tunneling is an important part of the coal mining process. It involves excavating roadways in underground coal seams to provide the necessary space and passage for coal mining, transportation, and ventilation. Roadway excavation is an important part of coal mining and tunneling. During the roadway excavation process, in order to support the roof of the roadway, roadway support equipment is needed to support the roof and prevent collapse.

[0003] A search revealed, for example, a temporary support device for arched tunnel excavation provided by Chinese Utility Model Patent Publication No. CN221462347U. Although this device, through its related settings, ensures that the adjusting arc plates are evenly stressed, effectively preventing damage to areas with heavier stress due to uneven stress on the top of the protective roof, or causing the temporary support device to collapse, thus significantly improving the safety factor of the temporary support device for arched tunnel excavation, the arc plates used for support are not equipped with related buffer and pressure-resistant components, resulting in weak pressure resistance. Consequently, the stability and reliability of the support device may be affected when facing high stress. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a roadway support device for coal mining and tunneling that is easy to move and whose service life is increased by improving the compressive strength of the supporting arc plate.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a roadway support device for coal mining and tunneling, comprising three support boxes, each of which has a horizontal plate fixedly installed inside. Four hydraulic cylinders are fixedly installed on the top of the horizontal plate, and a support plate is fixedly installed on the top of the hydraulic cylinders. A functional seat is fixedly installed on the top of the support plate, and a functional component is provided inside the functional seat.

[0006] The functional component includes two adjusting outer cylinders, both of which are located inside the functional base. Each of the two adjusting outer cylinders contains an adjusting inner cylinder. A supporting arc plate is fixedly installed on the top of each of the two adjusting inner cylinders, and a stabilizing plate is fixedly installed on the bottom of each of the two adjusting outer cylinders. Four second rotating rods are rotatably mounted inside the functional base. Gears and cams are fixedly installed on the surfaces of each of the four second rotating rods. Racks mesh with the bottoms of each of the four gears, and sliders are fixedly installed on the bottoms of each of the four racks. A spring damper is fixedly installed on the opposite side of every pair of sliders.

[0007] Furthermore, each of the three support boxes is fixedly equipped with three casters at its bottom.

[0008] Furthermore, the support box is equipped with a stabilizing component, which includes a dual-axis motor. The dual-axis motor is fixedly installed on the inner bottom wall of the support box, and a first rotating rod is fixedly installed on both output ends of the dual-axis motor.

[0009] Furthermore, a winding drum is fixedly installed on the surface of each of the two first rotating rods, and a steel strip is wound around the surface of the winding drum. A support base is installed at the other end of the steel strip. A telescopic rod is fixedly installed at the bottom of the cross plate, and a stabilizing rod is fixedly installed at the bottom of the telescopic rod. The stabilizing rod is fixedly connected to the support base.

[0010] Furthermore, the stabilizing plate is slidably installed inside the functional seat, the inner cylinder of the adjusting cylinder has a threaded hole, the inner cylinder of the adjusting cylinder has a threaded groove, and the threaded hole and the threaded groove are connected by a fastening bolt through a thread.

[0011] Furthermore, one end of each of the four cams is in contact with the bottom surface of the stabilizing plate, and each of the four sliders is slidably mounted on the bottom wall of the functional seat.

[0012] Furthermore, three upright plates are fixedly installed on the bottom wall of the functional seat, and spring dampers are fixedly installed on the surface of each of the three upright plates. Another spring damper is fixedly installed on the inner wall of the functional seat.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The roadway support equipment for coal mining and tunneling, through the setting of stabilizing components, and the cooperation of a dual-shaft motor and a first rotating rod, firstly, by setting universal wheels, facilitates the movement of the device to any location, thereby moving the steel belt to move the support seat to be in contact with the construction ground. Through the cooperation between the steel belt and the ground-contacting stabilizing seat, the device can be effectively fixed, thus facilitating the support of the device.

[0015] 2. The roadway support equipment for coal mining and tunneling, by setting up functional components and coordinating the adjustment of the outer cylinder and the inner cylinder, can change the height of the support arc plate, thereby flexibly supporting according to the height of the roadway. By setting up a second rotating rod, gears and spring dampers, the pressure on the support arc plate can be buffered, thereby improving the compressive strength of the support arc plate. Attached Figure Description

[0016] Figure 1 This is a front view of the present utility model;

[0017] Figure 2 This is a side view of the support plate and its bottom connection structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the functional seat of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle;

[0020] Figure 5 This is a perspective view of the adjusting inner cylinder, adjusting outer cylinder, and supporting arc plate of this utility model;

[0021] Figure 6 This is a perspective view of the gear and rack connection of this utility model.

[0022] In the diagram: 1. Support box; 2. Horizontal plate; 3. Hydraulic cylinder; 4. Support plate; 5. Functional seat; 6. Stabilizing component; 601. Dual-axis motor; 602. First rotating rod; 603. Rewind drum; 604. Steel belt; 605. Support seat; 606. Telescopic rod; 607. Stabilizing rod; 7. Functional component; 701. Adjustable outer cylinder; 702. Adjustable inner cylinder; 703. Support arc plate; 704. Stabilizing plate; 705. Second rotating rod; 706. Gear; 707. Cam; 708. Rack; 709. Slider; 710. Spring damper; 8. Caster wheel. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6 In this embodiment, a roadway support device for coal mining and tunneling includes three support boxes 1. Each of the three support boxes 1 has a horizontal plate 2 fixedly installed inside. Four hydraulic cylinders 3 are fixedly installed on the top of the horizontal plate 2. Support plates 4 are fixedly installed on the top of the hydraulic cylinders 3. Functional seats 5 are fixedly installed on the top of the support plates 4. Functional components 7 are provided inside the functional seats 5.

[0025] Functional component 7 includes two adjusting outer cylinders 701, both of which are located inside the functional base 5. Each of the two adjusting outer cylinders 701 has an adjusting inner cylinder 702 inside. A support arc plate 703 is fixedly installed on the top of each of the two adjusting inner cylinders 702, and a stabilizing plate 704 is fixedly installed on the bottom of each of the two adjusting outer cylinders 701. Four second rotating rods 705 are rotatably installed inside the functional base 5. Gears 706 and cams 707 are fixedly installed on the surface of each of the four second rotating rods 705. A rack 708 meshes with the bottom of each of the four gears 706. A slider 709 is fixedly installed on the bottom of each of the four racks 708. A spring damper 710 is fixedly installed on the opposite side of each pair of sliders 709.

[0026] like Figure 1 As shown, the device can be easily moved to a designated location by providing casters 8.

[0027] like Figure 1 and Figure 2 As shown, by setting a stabilizing component 6, which includes a dual-axis motor 601, a first rotating rod 602, a take-up drum 603, a steel belt 604, a support base 605, a telescopic rod 606, and a stabilizing rod 607, and a toothed protrusion is fixedly installed at the bottom of the support base 605, when in use, by starting the dual-axis motor 601, the dual-axis motor 601 drives the two first rotating rods 602 to rotate, and the two first rotating rods 602 drive the two take-up drums 603 to rotate, thereby lowering the steel belt 604 and then lowering the support base 605, so that the toothed protrusion is driven into the ground, making the support base 605 stable with the construction ground, and thus stabilizing the device.

[0028] like Figure 1 and Figure 2 As shown, by opening a threaded hole inside the adjusting outer cylinder 701 and a threaded groove inside the adjusting inner cylinder 702, and by connecting the threaded hole and the threaded groove with a fastening bolt, when it is necessary to raise or lower the supporting arc plate 703, the adjusting inner cylinder 702 is pulled out or retracted. When it is necessary to fix the adjusting inner cylinder 702 inside the adjusting outer cylinder 701, the fastening bolt is screwed into the threaded hole and the threaded groove.

[0029] When the supporting arc plate 703 is under pressure, proceed with the following steps:

[0030] 1) It will first cause the 704 stabilizing plate to move downwards;

[0031] 2) Then, as the stabilizing plate 704 moves downward, it will compress the cam 707 to rotate;

[0032] 3) When the cam 707 rotates, it will drive the gear 706 to rotate. The gear 706, through its cooperation with the rack 708, will drive the rack 708 to move in the direction of the spring damper 710.

[0033] 4) Finally, through the buffering effect of the spring damper 710, the moving speed of the rack 708 is effectively slowed down, thereby achieving buffering and dispersion of the pressure on the supporting arc plate 703.

[0034] In summary, this roadway support equipment for coal mining and tunneling, through the installation of a stabilizing component 6 and the cooperation of a dual-shaft motor 601 and a first rotating rod 602, firstly facilitates the movement of the device to any location by using casters 8. Then, the steel belt 604 moves, driving the support seat 605 to move to contact with the construction ground. Through the cooperation between the steel belt 604 and the ground-contacting stabilizing seat, the device can be effectively fixed, thus facilitating the support of the device.

[0035] Furthermore, the roadway support equipment for coal mining and tunneling, by setting up functional components 7 and adjusting the outer cylinder 701 and the inner cylinder 702, can change the height of the support arc plate 703, thereby flexibly supporting according to the height of the roadway. By setting up the second rotating rod 705, gear 706 and spring damper 710, the pressure on the support arc plate 703 can be buffered, thereby improving the compressive strength of the support arc plate 703.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A roadway support device for coal mining excavation, comprising three support boxes (1), characterised in that: The inside of each of the three support boxes (1) is fixedly installed with a horizontal plate (2), the top of the horizontal plate (2) is fixedly installed with four hydraulic cylinders (3), the top of the hydraulic cylinders (3) is fixedly installed with a support plate (4), the top of the support plate (4) is fixedly installed with a functional seat (5), the inside of the functional seat (5) is provided with a functional assembly (7). The functional assembly (7) comprises two adjusting outer cylinders (701), the two adjusting outer cylinders (701) are arranged in the inside of the functional seat (5), the inside of each of the two adjusting outer cylinders (701) is provided with an adjusting inner cylinder (702), the top of each of the two adjusting inner cylinders (702) is fixedly installed with a support arc plate (703), the bottom of each of the two adjusting outer cylinders (701) is fixedly installed with a stabilizing plate (704), the inside of the functional seat (5) is rotatably installed with four second rotating rods (705), the surface of each of the four second rotating rods (705) is fixedly installed with a gear (706) and a cam (707), the bottom of each of the four gears (706) is engaged with a rack (708), the bottom of each of the four racks (708) is fixedly installed with a sliding block (709), the side, away from each other, of each of the sliding blocks (709) is fixedly installed with a spring damper (710).

2. A roadway support apparatus for coal extraction tunneling according to claim 1, characterized in that: The bottom of each of the three support boxes (1) is fixedly installed with three universal wheels (8).

3. A coal mining heading roof support apparatus according to claim 1 wherein: The inside of the support box (1) is provided with a stabilizing assembly (6), the stabilizing assembly (6) comprises a double-shaft motor (601), the double-shaft motor (601) is fixedly installed on the inner bottom wall of the support box (1), the two side output ends of the double-shaft motor (601) are fixedly installed with first rotating rods (602).

4. A coal mining heading roof support apparatus according to claim 3 wherein: The surface of each of the two first rotating rods (602) is fixedly installed with a winding drum (603), the surface of the winding drum (603) is wound with a steel belt (604), the other end of the steel belt (604) is installed with a support seat (605), the bottom of the horizontal plate (2) is fixedly installed with an extension rod (606), the bottom of the extension rod (606) is fixedly installed with a stabilizing rod (607), the stabilizing rod (607) is fixedly connected with the support seat (605).

5. A coal mining heading roof support apparatus according to claim 1 wherein: The stabilizing plate (704) is slidingly installed in the inside of the functional seat (5), the inside of the adjusting outer cylinder (701) is provided with a threaded hole, the inside of the adjusting inner cylinder (702) is provided with a threaded groove, the threaded hole and the threaded groove are connected with a fastening bolt through threads.

6. A coal mining heading roof support apparatus according to claim 1 wherein: One end of each of the four cams (707) is in contact with the bottom surface of the stabilizing plate (704), each of the four sliding blocks (709) is slidingly installed on the bottom wall of the functional seat (5).

7. A coal mining heading roof support apparatus according to claim 1 wherein: The bottom wall of the functional seat (5) is fixedly installed with three vertical plates, the surface of each of the three vertical plates is fixedly installed with a spring damper (710), another spring damper (710) is fixedly installed on the inner wall of the functional seat (5).

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