Track units, tracks, support brackets and advance support systems

Abstract

The present invention discloses a track unit, a track, a support bracket and an advance support system, wherein the track unit comprises: a first section and a second section, wherein the first section has a first connection structure; the second section has a second connection structure; the first section and the second section are hinged and can swing relative to each other along the height direction of the laneway; the first connection structure of one track unit can be detachably connected to the second connection structure of another track unit, so that the two track units can be detachably connected to each other. The first section and the second section of the track unit in the embodiment of the present invention can swing relative to each other, which effectively solves the problem of track bending or damage existing in the related art, thereby making the transmission bracket smoother and more efficient.

Description

Technical Field

[0001] The present invention relates to the field of mining technology, and in particular to a track unit, a track, a support bracket and an advance support system. Background Art

[0002] In order to prevent the deformation, movement and damage of the tunnel surrounding rock caused by the superposition of the advance support pressure and the support pressure along the inclined direction of the coal mining face, the tunnel of the coal mining face needs to adopt advance reinforcement support. As the coal mining face moves forward, the advance support bracket needs to be continuously moved forward to support the roof and side walls of the tunnel in time.

[0003] In the related art, one or more tracks are usually used as guide devices for transporting the support bracket forward. The track can be hoisted on the top plate of the tunnel or supported on the bottom plate of the tunnel. However, since the top plate or bottom plate of the tunnel is not straight, but often uneven, the track will bend or even be damaged. When the bracket is transported forward along the track, the bracket often gets stuck at the bend of the track, which requires human intervention to solve, thereby affecting the support efficiency. Summary of the invention

[0004] The embodiments of the present invention provide a track unit, a track, a support bracket and an advance support system that can swing relatively according to the unevenness of the tunnel, so as to solve the above-mentioned problem of track bending or damage.

[0005] The track unit of an embodiment of the present invention is applied to an advance support system and is used to transport a support forward. The track unit includes: a first section and a second section, the first section has a first connecting structure; the second section has a second connecting structure; the first section is hinged to the second section and can swing relative to each other along the height direction of the tunnel; the first connecting structure of one of the track units can be detachably connected to the second connecting structure of another track unit, so that the two track units can be detachably connected to each other.

[0006] According to some embodiments of the present invention, the first section includes a first side facing away from the second section, the second section includes a second side facing away from the first section, and the first side is arranged opposite to the second side;

[0007] When the two track units are docked, the first side surface of one of the track units is overlapped with the second side surface of the other track unit.

[0008] According to some embodiments of the present invention, the first connecting structure is convexly disposed on the first side surface, and the second connecting structure is concavely disposed on the second side surface;

[0009] The first connecting structure is detachably received in the second connecting structure.

[0010] According to some embodiments of the present invention, the portion of the first connecting structure away from the first section includes a conical portion;

[0011] When the first connection structure is inserted into the second connection structure, the outer conical surface of the conical portion can cooperate with the inner wall surface of the second connection structure to align the first connection structure and the second connection structure.

[0012] According to some embodiments of the present invention, along the conveying direction of the track unit, the first section further includes an inclined surface disposed opposite to the first side surface; along the conveying direction of the track unit, the second section further includes a third side surface disposed opposite to the second side surface;

[0013] When the bottom surface of the first section is flush with the bottom surface of the second section, the inclined surface and the third side surface form an angle.

[0014] According to some embodiments of the present invention, the angle is between 5 degrees and 6 degrees.

[0015] The track of the embodiment of the present invention comprises: a plurality of track units as described in any one of the above items, wherein the first connection structure of one of two adjacent track units can be detachably connected to the second connection structure of the other track unit, so that the two track units can be detachably connected to each other.

[0016] The supporting bracket of the embodiment of the present invention comprises: a frame body and any one of the track units described above, wherein the second section of the track unit is fixedly connected to the frame body.

[0017] According to some embodiments of the present invention, the frame comprises:

[0018] The top beam can support the roof of the tunnel;

[0019] A bottom beam connected to the top beam and capable of supporting the bottom plate of the tunnel;

[0020] A side support assembly, movably connected to the top beam and capable of supporting the side walls of the tunnel; and

[0021] The driving mechanism is connected to the top beam and the side support assembly and is used for driving the side support assembly to move.

[0022] According to some embodiments of the present invention, the side support assembly includes a movable member and a support member, the movable member is movably connected to the top beam, and the support member is hinged to the movable member;

[0023] When the driving mechanism is working, it can drive the supporting member to move toward the side wall of the tunnel, and the supporting member drives the movable member to move relative to the top beam.

[0024] According to some embodiments of the present invention, the driving mechanism comprises a hydraulic cylinder, and two ends of the hydraulic cylinder are respectively hinged to the top beam and the support member.

[0025] According to some embodiments of the present invention, one end of the movable member opposite to the supporting member is hinged to the top beam.

[0026] According to some embodiments of the present invention, the bottom beam comprises a supporting oil cylinder and a base, one end of the supporting oil cylinder is rotatably connected to the top beam, and the other end is rotatably connected to the base;

[0027] An insertion portion is provided on one side of the base, and the insertion portion can be inserted into the bottom plate of the tunnel;

[0028] The other end of the supporting oil cylinder and the other side of the base form a spherical pair.

[0029] According to some embodiments of the present invention, the insertion portion includes a first insertion portion and a second insertion portion, the first insertion portion being closer to a middle area of ​​the lane relative to the second insertion portion;

[0030] When the base is disposed on a bottom plate of a lane, the first insertion portion is inserted deeper into the bottom plate than the second insertion portion, so that the base is inclined toward the inside of the lane.

[0031] The advanced support system of the embodiment of the present invention comprises:

[0032] A plurality of support brackets as described in any one of the above items, wherein the plurality of support brackets are arranged side by side, and the two track units of two adjacent support brackets are connected to each other to form a track;

[0033] A transport seat, suspended on the track, capable of driving a support bracket in a retracted state to move along the track; and

[0034] The driving mechanism is used to drive the transport seat to move.

[0035] According to some embodiments of the present invention, the driving mechanism comprises:

[0036] A power source, fixedly connected to the transport base;

[0037] A friction wheel, drivingly connected to the power source, wherein the outer peripheral surface of the friction wheel abuts against the track;

[0038] When the power source is working, the friction between the friction wheel and the track is used to drive the transport seat to move relative to the track.

[0039] According to some embodiments of the present invention, rollers are rotatably provided on the transport seat, and the rollers are rollably connected to the track.

[0040] One embodiment of the above invention has the following advantages or beneficial effects:

[0041] Since the first section and the second section are hinged and can swing relative to each other along the height direction of the tunnel, the multiple sets of hinged first sections and second sections in the track can swing adaptively according to the unevenness of the tunnel, which makes the track formed by the docking of multiple support brackets in the embodiment of the present invention able to adapt to the unevenness of the top or bottom plate of the tunnel. Compared with one or more integral tracks used in the related art, the embodiment of the present invention divides the track into multiple track units that can dock with each other, and the first section and the second section of each track unit can swing with each other, which effectively solves the problem of track bending or damage in the related art, thereby making the transmission bracket smoother and more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

[0043] Figure 1 Shown is a stereoscopic view of an advanced support system according to an embodiment of the present invention.

[0044] Figure 2 Shown is a side view of an advance support system according to an embodiment of the present invention.

[0045] Figure 3 Shown Figure 2 Schematic diagram of the structure in the A direction.

[0046] Figure 4 Shown is a stereoscopic view of a support bracket according to an embodiment of the present invention.

[0047] Figure 5 Shown is a side view of a support bracket according to an embodiment of the present invention.

[0048] Figure 6 Shown is a stereoscopic view of two support brackets arranged side by side and before being connected in an embodiment of the present invention.

[0049] Figure 7 Shown is a side view of two support brackets arranged side by side and before docking according to an embodiment of the present invention.

[0050] Figure 8Shown is a three-dimensional view of two supporting brackets of an embodiment of the present invention arranged side by side and after docking, wherein a driving mechanism and a transport seat are also provided thereon.

[0051] Fig. 9 Shown is a side view of two supporting brackets arranged side by side and after docking according to an embodiment of the present invention, wherein a driving mechanism and a transport seat are also provided thereon.

[0052] Fig.10 Shown is a stereoscopic view of the first section and the second section of the support bracket after swinging around the hinge point according to the embodiment of the present invention.

[0053] Fig.11 Shown is a side view of the first section and the second section of the support bracket after swinging around the hinge point according to the embodiment of the present invention.

[0054] Fig.12 Shown is a schematic structural diagram of a driving mechanism and a transport base according to an embodiment of the present invention.

[0055] Fig.13 Shown is a schematic structural diagram of a base from one viewing angle of an embodiment of the present invention.

[0056] Fig.14 Shown is a schematic structural diagram of a base from another viewing angle of an embodiment of the present invention.

[0057] The reference numerals are described as follows:

[0058] 100. Support bracket

[0059] 100a. Stent in expanded state

[0060] 100b. Stent in collapsed state

[0061] 101. Frame

[0062] 110. Top beam

[0063] 111. Fixed beam

[0064] 112. Telescopic beam

[0065] 120. Bottom beam

[0066] 121. Support cylinder

[0067] 122. Base

[0068] 1221. Insertion

[0069] 1221a, first insertion portion

[0070] 1221b, second insertion portion

[0071] 1222, Spherical Structure

[0072] 130. Side support assembly

[0073] 131. Moving parts

[0074] 132. Support

[0075] 140. Driving mechanism

[0076] 400, Track

[0077] 401, Track Unit

[0078] 402, Guide Rail

[0079] 410, first paragraph

[0080] 411. First connection structure

[0081] 4111, cone

[0082] 412, First Side

[0083] 413. Inclined Surface

[0084] 420, second paragraph

[0085] 421. Second connection structure

[0086] 422, Second Side

[0087] 423, the third side

[0088] 430, Angle

[0089] 440, Transport Seat

[0090] 441, Roller

[0091] 450. Driving mechanism

[0092] 451, Power Source

[0093] 452. Friction wheel DETAILED DESCRIPTION

[0094] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0095] like Figures 1 to 3 As shown, Figure 1 Shown is a stereoscopic view of an advanced support system according to an embodiment of the present invention. Figure 2 Shown is a side view of an advance support system according to an embodiment of the present invention. Figure 3 Shown Figure 2 Schematic diagram of the structure in the direction of A. The advance support system of the embodiment of the present invention includes: a plurality of support brackets 100, a transport seat 440 and a first driving mechanism 450. Each support bracket 100 includes a contracted state and an expanded state, that is, a plurality of support brackets 100 are divided into a bracket 100a in an expanded state and a bracket 100b in a contracted state. The size of the bracket 100b in the contracted state is smaller than the bracket 100a in the expanded state, so that the bracket 100b in the contracted state can pass through the bracket 100a in the expanded state.

[0096] A plurality of support brackets 100 are arranged side by side, specifically, a plurality of support brackets 100a in an expanded state are arranged side by side. A track unit 401 is provided on each support bracket 100, and two track units 401 of two adjacent support brackets 100 can be connected to each other to form a track 400. The track 400 extends along the length direction of the lane. With the help of the track 400, the support bracket 100b in a contracted state can be transported from the rear of the lane to the front of the lane along the track 400 through the plurality of support brackets 100a in an expanded state in sequence.

[0097] The transport seat 440 is suspended on the track 400, and the first driving mechanism 450 is used to drive the transport seat 440 to move. The retracted bracket 100b can be connected to the transport seat 440. When the first driving mechanism 450 works, the transport seat 440 moves along the track 400, thereby driving the retracted bracket 100b to move forward.

[0098] It should be noted that if Figure 1 and Figure 2 As shown, when the stent 100b in the contracted state is transferred to the front of the lane, the stent 100b in the contracted state is converted into the stent 100a in the expanded state to support the lane. The last of the multiple stents 100a in the expanded state can be converted into the stent 100b in the contracted state, and then the transport seat 440 is driven by the first driving mechanism 450 to be transferred to the front of the lane along the track 400. This cycle is repeated to achieve continuous forward movement of the stent and cyclic support.

[0099] like Figures 4 to 7 As shown, Figure 4 Shown is a stereoscopic view of a support bracket according to an embodiment of the present invention. Figure 5 Shown is a side view of a support bracket according to an embodiment of the present invention. Figure 6 Shown is a stereoscopic view of two support brackets arranged side by side and before being connected in an embodiment of the present invention. Figure 7The side view of two supporting brackets arranged side by side and before docking is shown in the embodiment of the present invention. The supporting bracket 100 of the embodiment of the present invention comprises a frame body 101 and a track unit 401 , and the track unit 401 is fixedly connected to the frame body 101 .

[0100] The track unit 401 includes: a first section 410 and a second section 420. The first section 410 has a first connection structure 411. The second section 420 has a second connection structure 421; the first section 410 and the second section 420 are hinged and can swing relative to each other along the height direction of the lane; the first connection structure 411 of one track unit 401 can be detachably connected to the second connection structure 421 of another track unit 401, so that the two track units 401 can be detachably connected to each other.

[0101] Please return to Figure 2 After the plurality of support brackets 100 are arranged side by side, two adjacent track units 401 of two adjacent support brackets 100 can be butted together, so that the plurality of track units 401 form a track 400. Specifically, the first connection structure 411 on one of the two adjacent track units 401 can be connected to the second connection structure 421 of the other track unit 401, so as to achieve the butt connection of the two adjacent track units 401.

[0102] like Figure 6 As shown, the track unit 401 may include two oppositely disposed guide rails 402. Since the track unit 401 includes a first section 410 and a second section 420 that are hinged to each other, each guide rail 402 of a track unit 401 is also divided into two sections.

[0103] It can be understood that the fact that one track unit 401 has two guide rails 402 is only used as an example, and the number of guide rails 402 can also be one, three, etc.

[0104] like Figure 2 , Fig.10 and Fig.11 As shown, Fig.10 Shown is a stereoscopic view of the first section and the second section of the support bracket after swinging around the hinge point according to the embodiment of the present invention. Fig.11Shown is a side view of the first and second sections of the support bracket of the embodiment of the present invention after they swing around the hinge point. Since the first section 410 and the second section 420 are hinged and can swing relative to each other along the height direction of the lane, the multiple groups of hinged first sections 410 and second sections 420 in the track 400 can swing adaptively according to the unevenness of the lane, which makes the track 400 composed of multiple support brackets 100 in the embodiment of the present invention adapt to the unevenness of the top or bottom plate of the lane. Compared with one or more integral tracks used in the related art, the embodiment of the present invention divides the track 400 into multiple track units 401 that can dock with each other, and the first section 410 and the second section 420 of each track unit 401 can swing with each other, which effectively solves the problem of track bending or damage existing in the related art, thereby making the conveying bracket smoother and more efficient.

[0105] Please continue reading Figures 4 to 7 The first section 410 includes a first side surface 412 facing away from the second section 420, and the second section 420 includes a second side surface 422 facing away from the first section 410, and the first side surface 412 and the second side surface 422 are arranged opposite to each other. When the two track units 401 are docked, the first side surface 412 of one track unit overlaps with the second side surface 422 of the other track unit.

[0106] By overlapping the first side surface 412 of one of the two butted track units 401 with the second side surface 422 of the other track unit, the two butted track units 401 can be butted flush. In this way, except for the hinge points between the first section 410 and the second section 420, all other parts of the track 400 of the embodiment of the present invention are straight tracks, ensuring smooth transmission.

[0107] The first connection structure 411 is convexly disposed on the first side surface 412, and the second connection structure 421 is concavely disposed on the second side surface 422. The first connection structure 411 is detachably accommodated in the second connection structure 421.

[0108] In this embodiment, since the first connection structure 411 is convexly arranged on the first side surface 412 and the second connection structure 421 is concavely arranged on the second side surface 422, when the two track units 401 are docked, the first connection structure 411 can be accommodated in the second connection structure 421. In other words, after the two track units 401 are docked, the first connection structure 411 and the second connection structure 421 are not exposed, but hidden in the two track units 401. In this way, the first driving mechanism 450, the transport seat 440 and the bracket 100b in the retracted state running on the track 400 will not interfere with the movement of the first connection structure 411 and the second connection structure 421.

[0109] like Figure 6As shown, the portion of the first connection structure 411 away from the first section 410 includes a conical portion 4111. When the first connection structure 411 is inserted into the second connection structure 421, the outer conical surface of the conical portion 4111 can cooperate with the inner wall surface of the second connection structure 421 to align the first connection structure 411 and the second connection structure 421.

[0110] In this embodiment, by designing the first connecting structure 411 to have a conical portion 4111, when the two track units 401 are docked, even if there is a deviation, the first connecting structure 411 and the second connecting structure 421 can be aligned with each other through the cooperation of the conical portion 4111 and the inner wall surface of the second connecting structure 421, thereby finally achieving the two track units 401 being docked with each other.

[0111] It should be noted that the specific detachable structures of the first connection structure 411 and the second connection structure 421 can adopt mature designs in the prior art, such as bolt connection, latch connection, etc., which are not listed here one by one.

[0112] like Figure 5 As shown, along the conveying direction of the track unit 401, the first section 410 further includes an inclined surface 413 disposed opposite to the first side surface 412; along the conveying direction of the track unit, the second section 420 further includes a third side surface 423 disposed opposite to the second side surface 422. When the bottom surface of the first section 410 and the bottom surface of the second section 420 are flush, the inclined surface 413 and the third side surface 423 form an angle 430.

[0113] Preferably, the angle 430 may be between 5 and 6 degrees, but is not limited thereto.

[0114] When the track of the embodiment of the present invention is arranged in a tunnel whose top plate and / or bottom plate are both straight, the angle 430 between the inclined surface 413 and the third side surface 423 is a predetermined angle, such as the above-mentioned 5 to 6 degrees.

[0115] like Fig.11 As shown, when the first section 410 and the second section 420 swing relative to each other, the inclined surface 413 and the third side surface 423 abut against each other, which can limit the relative swing angle of the first section 410 and the second section 420 to avoid excessive swing angles that affect normal use of the track.

[0116] like Figure 8 , Fig. 9 and Fig.12 As shown, Figure 8 Shown is a three-dimensional view of two supporting brackets of an embodiment of the present invention arranged side by side and after docking, wherein a driving mechanism and a transport seat are also provided thereon. Fig. 9Shown is a side view of two supporting brackets arranged side by side and after docking according to an embodiment of the present invention, wherein a driving mechanism and a transport seat are also provided thereon. Fig.12 The structure diagram of the driving mechanism and the transport seat of the embodiment of the present invention is shown. The transport seat 440 is suspended on the track 400, and the first driving mechanism 450 is used to drive the transport seat 440 to move. The support 100b in the retracted state can be connected to the transport seat 440. When the first driving mechanism 450 is working, the transport seat 440 moves along the track 400, thereby driving the support 100b in the retracted state to be transported forward.

[0117] The first driving mechanism 450 includes a power source 451 and a friction wheel 452. The power source 451 is fixedly connected to the transport base 440. The friction wheel 452 is drivingly connected to the power source 451, and the outer peripheral surface of the friction wheel 452 abuts against the track 400. When the power source 451 is working, the friction force between the friction wheel 452 and the track 400 is used to drive the transport base 440 to move relative to the track 400.

[0118] Specifically, the guide rail 402 is sandwiched between two friction wheels 452. The transport seat 440 is driven to move relative to the guide rail 402 through the friction force between the two friction wheels 452 and two opposite sides of the guide rail 402.

[0119] In one embodiment, the power source 451 may be a motor, but is not limited thereto.

[0120] like Figure 3 and Fig.12 As shown, Fig.12 The schematic diagram of the structure of the driving mechanism and the transport seat of the embodiment of the present invention is shown. The transport seat 440 is rotatably provided with a roller 441, and the roller 441 is rollably connected to the guide rail 402 of the track 400. By designing the rolling friction between the transport seat 440 and the track 400, the friction between the transport seat 440 and the guide rail 402 of the track 400 is significantly reduced.

[0121] It is understandable that those skilled in the art can design the number of rollers 441 according to the number of guide rails 402, and the present invention does not make any special provision.

[0122] Please return to Figure 3 As shown, the frame 101 includes: a top beam 110, a bottom beam 120, a side support assembly 130 and a second driving mechanism 140. The top beam 110 can be supported on the top plate of the tunnel. The bottom beam 120 is connected to the top beam 110 and can be supported on the bottom plate of the tunnel. The side support assembly 130 is movably connected to the top beam 110 and can be supported on the side of the tunnel. The second driving mechanism 140 is connected to the top beam 110 and the side support assembly 130, and is used to drive the side support assembly 130 to move.

[0123] When the support bracket 100 of the embodiment of the present invention is supported in the tunnel, the bottom beam 120 is supported on the bottom plate of the tunnel and supports the top beam 110, so that the top beam 110 can be supported on the top plate of the tunnel. At the same time, the side support assembly 130 is driven by the second driving mechanism 140 to be supported on the side wall of the tunnel.

[0124] By adopting the technical means that the side support assembly 130 is movably connected to the top beam 110 and can be supported on the side wall of the tunnel, and the second drive mechanism 140 is connected to the top beam 110 and the side support assembly 130, and is used to drive the side support assembly 130 to move, the vertical stress of the tunnel roof acting on the top beam 110 can be transmitted to the side wall of the tunnel through the second drive mechanism 140 and the side support assembly 130 in sequence. At the same time, the horizontal stress of the side wall of the tunnel acting on the side support assembly 130 can be transmitted to the roof of the tunnel through the second drive mechanism 140 and the top beam 110 in sequence. In this way, the vertical stress and horizontal stress of the tunnel can offset each other in part under the action of the second drive mechanism 140 and the side support assembly 130, so that the support bracket of the embodiment of the present invention is not easily bent or damaged by the stress in the tunnel, the service life is extended, and the support effect is improved.

[0125] Please continue reading Figure 3 There are two side support assemblies 130, which are movably connected to two opposite ends of the top beam 110 and are used to support the two side walls of the tunnel respectively.

[0126] The side support assembly 130 includes a movable member 131 and a support member 132. The movable member 131 is movably connected to the top beam 110. The support member 132 includes a connecting end 1321 and a free end 1322. The connecting end 1321 is hinged to the movable member 131, and the free end 1322 hangs down naturally.

[0127] When the second driving mechanism 140 is working, since the support member 132 is hinged to the movable member 131, the support member 132 can rotate relative to the movable member 131 around the hinge point, thereby enabling the support member 132 to move toward the side of the tunnel. During the movement of the support member 132, the support member 132 drives the movable member 131 to move relative to the top beam 110.

[0128] In this embodiment, the structure of the side support assembly 130 is specifically defined. The support member 132 is hinged to the movable member 131 and the movable member 131 is movably connected to the top beam 110. Therefore, after receiving the driving force of the second driving mechanism 140, the support member 132 can move along the width direction of the tunnel, thereby ensuring that one side surface of the support member 132 can be attached to the side wall of the tunnel as a whole, thereby increasing the contact area between the support member 132 and the side wall.

[0129] Furthermore, one end of the movable member 131 opposite to the supporting member 132 is hinged to the top beam 110 , that is, the two ends of the movable member 131 are hinged to the top beam 110 and the supporting member 132 , respectively.

[0130] When the second driving mechanism 140 is working, the two supporting members 132 approach the two side walls of the tunnel in a direction away from each other, and the two movable members 131 swing around their respective hinge points toward the roof of the tunnel.

[0131] Of course, it is understandable that one end of the movable member 131 relative to the support member 132 can also be telescopically connected to the top beam 110. Specifically, one end of the movable member 131 is telescopically connected to the top beam 110, and the other end of the movable member 131 is hinged to the support member 132.

[0132] When the second driving mechanism 140 is working, the two supporting members 132 move away from each other and approach the two side walls of the lane, respectively. The two movable members 131 also move away from each other.

[0133] In a specific implementation, the second driving mechanism 140 may include a hydraulic cylinder, and two ends of the hydraulic cylinder are hinged to the top beam 110 and the support member 132 respectively.

[0134] When the telescopic rod of the hydraulic cylinder is extended, the two support members 132 approach the two side walls of the tunnel in directions away from each other; when the telescopic rod of the hydraulic cylinder is retracted, the two support members 132 move in directions approaching each other.

[0135] Please continue reading Figure 3 The top beam 110 may include a fixed beam 111 and a telescopic beam 112, and the telescopic beam 112 is telescopically connected to the fixed beam 111. The telescopic beam 112 can be telescopic relative to the fixed beam 111, so that the length of the top beam 110 can be extended or shortened to adapt to lanes of different widths.

[0136] The second driving mechanism 140 and the side support assembly 130 are both connected to the telescopic beam 112 and can move along with the telescopic beam 112 .

[0137] The second section 402 of the track unit 401 is fixedly connected to the fixed beam 111 .

[0138] Furthermore, the support bracket 100 further includes a locking member for limiting the relative position of the fixed beam 111 and the telescopic beam 112. When the telescopic beam 112 is extended or retracted a certain distance relative to the fixed beam 111, the locking member can limit the overall length of the top beam 110.

[0139] In a specific embodiment, the locking member can be a pin. The fixed beam 111 and the telescopic beam 112 are each provided with a corresponding pin hole, and after the pin is inserted into the corresponding pin hole of the fixed beam 111 and the telescopic beam 112, the positions of the two can be locked.

[0140] Of course, the locking member is not limited to the pin, and may also be other components with a locking function, which are not listed here one by one.

[0141] In one embodiment, there are two telescopic beams 112, which are telescopically connected to two opposite ends of the fixed beam 111. The two second driving mechanisms 140 are connected to the two telescopic beams 112, and the two side support assemblies 130 are connected to the two telescopic beams 112.

[0142] Please continue reading Figure 3 The bottom beam 120 includes a supporting cylinder 121 and a base 122. One end of the supporting cylinder 121 is rotatably connected to the top beam 110, and the other end is rotatably connected to the base 122. An insertion portion 1221 is provided on one side of the base 122, and the insertion portion 1221 can be inserted into the bottom plate of the tunnel. The base 122 is provided with the insertion portion 1221, and can be firmly set on the bottom plate of the tunnel.

[0143] In this embodiment, the two ends of the support cylinder 121 are rotatably connected to the top beam 110 and the base 122, respectively, so that the support personnel can adjust the angle of the support cylinder 121 relative to the vertical direction. Specifically, the inward tilt angle of the support cylinder 121 can be between 7° and 11°, thereby improving the stability of the bottom beam 120.

[0144] like Fig.13 and Fig.14 As shown, Fig.13 Shown is a schematic structural diagram of a base from one viewing angle of an embodiment of the present invention. Fig.14 The structure diagram of the base of the embodiment of the present invention from another perspective is shown. The support cylinder 121 and the base 122 form a spherical pair. Specifically, a spherical structure 1222 is provided on the side of the base 122 away from the tunnel bottom plate, and one end of the support cylinder 121 and the spherical structure 1222 form a spherical pair.

[0145] The inserting portion 1221 includes a first inserting portion 1221a and a second inserting portion 1221b, wherein the first inserting portion 1221a is closer to the middle area of ​​the lane relative to the second inserting portion 1221b. When the base 122 is arranged on the bottom plate of the lane, the first inserting portion 1221a is inserted deeper into the bottom plate relative to the second inserting portion 1221b, so that the base 122 is inclined toward the inside of the lane.

[0146] During the support process, the base 122 can be set at the junction of the side wall and the bottom plate of the tunnel, that is, the insertion part 1221 of the base 122 is inserted into the bottom plate, and the side of the base 122 abuts against the side wall. When horizontal stress appears on the side wall, since the first insertion part 1221a is inserted deeper into the bottom plate than the second insertion part 1221b, the base 122 can be tilted toward the inside of the tunnel to obliquely abut against the side wall. At the same time, the base 122 is tilted inwardly, and since the supporting cylinder 121 and the base 122 form a spherical pair, the reaction force of the base 122 on the supporting cylinder 121 can be transmitted along the axial direction of the supporting cylinder 121. In this way, the horizontal stress of the side wall can be avoided from bending the supporting cylinder 121.

[0147] In a specific embodiment, the first inserting portion 1221a includes an inverted conical structure, and the second inserting portion 1221b includes a cylindrical structure, but the present invention is not limited thereto.

[0148] In summary, the advantages and beneficial effects of the track unit, track, support bracket and advance support system of the embodiments of the present invention are:

[0149] Since the first section 410 and the second section 420 are hinged and can swing relative to each other along the height direction of the lane, the multiple groups of hinged first sections 410 and second sections 420 in the track 400 can swing adaptively according to the unevenness of the lane, which makes the track 400 formed by docking multiple support brackets 100 in the embodiment of the present invention can adapt to the unevenness of the top or bottom plate of the lane. Compared with one or more integral tracks used in the related art, the embodiment of the present invention divides the track 400 into multiple track units 401 that can dock with each other, and the first section 410 and the second section 420 of each track unit 401 can swing with each other, which effectively solves the problem of track bending or damage in the related art, thereby making the transmission bracket smoother and more efficient.

[0150] In the embodiments of the invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the invention can be understood according to the specific circumstances.

[0151] In the description of the embodiments of the invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left", "right", "front", "back", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the embodiments of the invention.

[0152] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the invention embodiment. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0153] The above are only preferred embodiments of the invention embodiments, and are not intended to limit the invention embodiments. For those skilled in the art, the invention embodiments may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the invention embodiments shall be included in the protection scope of the invention embodiments.

Claims

1. An advanced support system, characterized in that: include: A plurality of support brackets (100), wherein the plurality of support brackets (100) are arranged side by side, wherein the support bracket (100) comprises a frame body (101) and a track unit (401), wherein the track unit (401) comprises a first section (410) and a second section (420), wherein the second section (420) is fixedly connected to the frame body (101), wherein the first section (410) has a first connection structure (411); the second section (420) has a second connection structure (421); and the first section (410) and the track unit (401) are connected to each other. The second section (420) is hinged and can swing relative to each other along the height direction of the tunnel; in two adjacent supporting brackets (100), the first connecting structure (411) of the track unit (401) of one of the supporting brackets (100) can be detachably connected to the second connecting structure (421) of the track unit (401) of the other supporting bracket (100), so that the two track units (401) can be detachably connected to each other to form a track (400); A transport seat (440) is suspended on the track (400) and is capable of driving a support bracket in a retracted state to move along the track (400); as well as The first driving mechanism (450) is used to drive the transport seat (440) to move.

2. The advanced support system according to claim 1, characterized in that: The first section (410) includes a first side surface (412) facing away from the second section (420), the second section (420) includes a second side surface (422) facing away from the first section (410), and the first side surface (412) and the second side surface (422) are arranged opposite to each other; When the two track units are docked, the first side surface (412) of one of the track units is overlapped with the second side surface (422) of the other track unit.

3. The advanced support system according to claim 2, characterized in that: The first connection structure (411) is convexly arranged on the first side surface (412), and the second connection structure (421) is concavely arranged on the second side surface (422); The first connecting structure (411) is detachably accommodated in the second connecting structure (421).

4. The advanced support system according to claim 3, characterized in that: The portion of the first connecting structure (411) away from the first section (410) includes a conical portion (4111); When the first connecting structure (411) is inserted into the second connecting structure (421), the outer conical surface of the conical portion (4111) can cooperate with the inner wall surface of the second connecting structure (421) to align the first connecting structure (411) and the second connecting structure (421).

5. The advanced support system according to claim 2, characterized in that: Along the conveying direction of the track unit, the first section (410) further includes an inclined surface (413) disposed opposite to the first side surface (412); along the conveying direction of the track unit, the second section (420) further includes a third side surface (423) disposed opposite to the second side surface (422); When the bottom surface of the first section (410) and the bottom surface of the second section (420) are flush, the inclined surface (413) and the third side surface (423) form an angle (430).

6. The advanced support system according to claim 5, characterized in that: The angle (430) is between 5 and 6 degrees.

7. The advanced support system according to claim 1, characterized in that: The frame (101) comprises: A top beam (110) capable of supporting a roof of the tunnel; A bottom beam (120) connected to the top beam (110) and capable of supporting the bottom plate of the tunnel; A side support assembly (130) is movably connected to the top beam (110) and is capable of supporting the side wall of the tunnel; and The second driving mechanism (140) is connected to the top beam (110) and the side support assembly (130) and is used to drive the side support assembly (130) to move.

8. The advanced support system according to claim 7, characterized in that: The side support assembly (130) comprises a movable member (131) and a support member (132), wherein the movable member (131) is movably connected to the top beam (110), and the support member (132) is hinged to the movable member (131); When the second driving mechanism (140) is in operation, it can drive the support member (132) to move toward the side wall of the tunnel, and the support member (132) drives the movable member (131) to move relative to the top beam (110).

9. The advanced support system according to claim 8, characterized in that: The second driving mechanism (140) comprises a hydraulic cylinder, and two ends of the hydraulic cylinder are respectively hinged to the top beam (110) and the support member (132).

10. The advanced support system according to claim 8, characterized in that: One end of the movable member (131) opposite to the supporting member (132) is hinged to the top beam (110).

11. The advanced support system according to claim 7, characterized in that: The bottom beam (120) comprises a supporting oil cylinder (121) and a base (122); one end of the supporting oil cylinder (121) is rotatably connected to the top beam (110), and the other end is rotatably connected to the base (122); An insertion portion (1221) is provided on one side of the base (122), and the insertion portion (1221) can be inserted into the bottom plate of the tunnel; The other end of the supporting oil cylinder (121) and the other side of the base (122) form a spherical pair.

12. The advanced support system according to claim 11, characterized in that: The insertion portion (1221) includes a first insertion portion (1221a) and a second insertion portion (1221b), wherein the first insertion portion (1221a) is closer to the middle area of ​​the lane relative to the second insertion portion (1221b); When the base (122) is arranged on the bottom plate of the tunnel, the first insertion portion (1221a) is inserted deeper into the bottom plate than the second insertion portion (1221b), so that the base (122) is inclined toward the inside of the tunnel.

13. The advanced support system according to claim 1, characterized in that: The first driving mechanism (450) comprises: A power source (451) fixedly connected to the transport base (440); A friction wheel (452) is drivingly connected to the power source (451), and the outer peripheral surface of the friction wheel (452) is in contact with the track (400); When the power source (451) is working, the friction force between the friction wheel (452) and the track (400) is used to drive the transport seat (440) to move relative to the track (400).

14. The advanced support system according to claim 1, characterized in that: The transport seat (440) is rotatably provided with a roller (441), and the roller (441) is rollably connected to the track (400).

Images