CN109441497B - Complete equipment for advanced support and transportation without repeated support and transportation method - Google Patents
Complete equipment for advanced support and transportation without repeated support and transportation method Download PDFInfo
- Publication number
- CN109441497B CN109441497B CN201811582789.0A CN201811582789A CN109441497B CN 109441497 B CN109441497 B CN 109441497B CN 201811582789 A CN201811582789 A CN 201811582789A CN 109441497 B CN109441497 B CN 109441497B
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- guide rail
- support
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 239000003245 coal Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
- E21D23/24—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms the advancing mechanisms being separate from the supporting construction
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Abstract
The complete equipment comprises two parts, namely a self-moving type advanced support, wherein the self-moving type advanced support comprises a top beam, a base, a bottom plate, a stand column, a side pushing jack and a supporting jack, and the lateral self-moving of the support is realized through the alternate actions of the side pushing jack and the supporting jack; the second is a stepping guide rail type self-moving platform, which comprises a supporting platform I, a supporting platform II, a guide rail assembly, a traveling device, an intermediate connecting rod, a pushing jack and a telescopic jack, and the forward and backward movement of the supporting platform is realized through the alternate actions of the pushing jack and the telescopic jack. The device has the advantages of simple structure, easy manufacturing and processing, convenient operation and use, and capability of realizing the purpose of no repeated support of the advance bracket and improving the management level of the roadway roof; the novel method for supporting the advance support without repeated support formed on the basis of complete equipment can realize that the advance support moves from the rearmost end to the foremost end of the advance area of the coal mine tunnel to be supported, and realize the mechanization of the whole process.
Description
Technical Field
The invention relates to coal mine machinery, in particular to supporting and carrying complete equipment and a carrying method for an underground advanced area of a coal mine.
Background
According to the requirements of the coal mine safety regulations: the support must be reinforced within the influence range of the advanced pressure at the connection part of all the safety outlets of the coal face and the roadway, and the roadway length of the reinforced support must not be less than 20m; the comprehensive mechanized coal mining working face is characterized in that the roadway height in the range is not lower than 1.8m, and the roadway heights in other coal mining working faces are not lower than 1.6m. At present, single prop plus pi-shaped beam or advancing advance support is commonly adopted in the section of the domestic mine, and the former has lower working efficiency and mechanization degree; the latter operation is simple and convenient, but the supporting mode can repeatedly support the top plate, is unfavorable for safety management and maintenance of the top plate, is easy to cause the breakage of the top plate, and both supporting modes have obvious defects. In addition, a few mine with better underground conditions adopts an advanced support and advanced support process method of the rubber wheel carrier, and the rubber wheel carrier is limited in working conditions, so that the rubber wheel carrier is large in overall dimension and high in requirement on the section dimension of a roadway, and is not suitable for small and medium-sized mines.
Disclosure of Invention
The purpose of the invention is that: the design of the repeated support-free advanced support and carrying complete equipment and the carrying method can realize the movement of the advanced support from the rearmost end to the foremost end of the advanced area of the roadway to the position to be supported, and realize the whole process mechanization. The device comprises a self-moving type lead support and a stepping guide rail type self-moving platform, wherein the self-moving type lead support can realize lateral self-moving, the self-moving mechanism is utilized to move the lead support to the stepping guide rail type self-moving platform, the stepping guide rail type self-moving platform can realize front-back movement, the lead support is carried to move from the rearmost end to the foremost end of a lead area, then the lead support is dismounted from the guide rail type self-moving platform by utilizing the self-moving mechanism of the lead support and moves to positions to be supported on two sides, the mechanical pushing of the lead support is realized, and the problem that the lead area of a coal mine roadway is repeatedly supported and a top plate is damaged is solved.
The technical scheme adopted for achieving the purpose of the invention is as follows: the self-moving type advanced support consists of a top beam, a base, a bottom plate, upright posts, side pushing jacks and supporting jacks, wherein the top beam is of a box type structure, the lower part of the base is of a box type structure, and two sides of the top beam are respectively fixed with a horizontal connecting plate through the supports; the upper ends of the two upright posts are connected with the top beam, the lower ends of the two upright posts are connected with the base, and the two upright posts are connected by a fixed connecting device; the bottom plate is an L-shaped plate, the plate in the horizontal direction is arranged below the base, two cylindrical cavities are horizontally designed in the base, two side pushing jacks are respectively arranged in the two cylindrical cavities, positioning sleeves are arranged on the vertical plate of the bottom plate corresponding to the two cylindrical cavities on the base, the front ends of the two side pushing jacks are fixed on the positioning sleeves on the vertical plate, the rear ends of the two side pushing jacks are fixedly connected with the base through pin shafts, and the bottom plate is connected with the base through the side pushing jacks to form a self-moving mechanism; four supporting jacks are arranged on two sides of the base respectively, the upper ends of the supporting jacks are connected below the connecting plates on two sides of the base, and the lower ends of the supporting jacks are connected to a fixed seat.
The fixed connection device comprises a T-shaped support column, a semicircular pressing plate and bolts, wherein the T-shaped support column is arranged at the middle position of the base, a semicircular clamping plate is arranged at the two ends of the upper surface of the T-shaped support column, the two semicircular clamping plates are respectively clamped at the inner sides of two upright posts, the two semicircular pressing plates are respectively clamped at the outer sides of the upright posts, and the two semicircular clamping plates at the two ends of the upper surface of the T-shaped support column are connected with the semicircular pressing plate through the bolts and locked.
A cylindrical cavity is arranged between the two cylindrical cavities on the base, a guide rod is arranged in the cylindrical cavity, the front end part of the guide rod is fixed on a positioning sleeve on the vertical plate, and the guide rod can slide in the cylindrical cavity relative to the base.
The connection parts of the two ends of the side pushing jack and the supporting jack are cylindrical, and pin shaft holes for connecting with related parts are arranged at the front part of the piston rod and the rear part of the cylinder body.
The stepping guide rail type self-moving platform consists of a supporting platform I, a supporting platform II, a guide rail assembly, a travelling device, a middle connecting rod, a pushing jack and a telescopic jack, wherein the supporting platform II is of a U-shaped structure, two ends of the supporting platform II are of a box type, a flat plate is arranged in the middle of the supporting platform II, and the two supporting platforms I are of box type structures, are respectively arranged at two ends of the supporting platform II and are fixedly connected to the supporting platform II; the two sides of the outer end of the supporting platform I are respectively provided with a telescopic jack connecting device; the guide rail assemblies consist of two guide rails and a connecting beam, two sets of guide rail assemblies are respectively arranged at the outer sides of two ends of the two supporting platforms I, one connecting rod at one side is used for connecting the two sets of guide rail assemblies together, the pushing jack is arranged in the horizontal direction, one end of the pushing jack is arranged on the connecting beam, and the other end of the pushing jack is arranged on the supporting platform I; the walking device consists of walking wheels and a walking frame, and the lower end of the walking frame is connected to the guide rail through a clamping plate; the four telescopic jacks are respectively arranged on the left side and the right side of the supporting platform I, the upper ends of the telescopic jacks are respectively connected to the two sides of the supporting platform I, and the lower ends of the telescopic jacks are respectively connected to the walking frame of the walking device.
The two guide rails of the guide rail assembly are respectively arranged on two guide rail bases on two sides, the guide rail bases are flat, and anti-slip strips are transversely and uniformly distributed on the bottom surface; the front ends of the two guide rails are respectively provided with an ear plate for connecting the connecting rods.
One side of the pushing jack is installed or two sides of the pushing jack are installed.
The conveying method comprises the following steps: firstly, moving a stepping guide rail type self-moving platform to a last group of leading supports of a roadway leading area side by side, moving the self-moving type leading supports from supporting positions on two sides of the roadway to the stepping guide rail type self-moving platform by utilizing a self-moving mechanism, then moving the leading supports to the forefront end of the roadway leading area by utilizing a travelling mechanism on the stepping guide rail type self-moving platform, then moving the self-moving type leading supports from the stepping guide rail type self-moving platform to positions to be supported on two sides of the roadway by utilizing the self-moving mechanism, and finishing the carrying of one leading support, and the like.
The hydraulic control system belongs to the conventional technology, and a person of ordinary skill in the art can design the hydraulic control system of the device by himself, and the details are not described here.
The invention has the positive effects that: the structure is simple, the manufacturing and the processing are easy, and the operation and the use are convenient; the control valve is used for controlling the expansion and contraction of the stand column of the advance support, the support jack and the side pushing jack are controlled to expand and contract through the control valve, the lateral movement of the advance support is achieved, the advance support is enabled to move to the stepping guide rail type self-moving platform, the pushing jack and the telescopic jack on the stepping guide rail type self-moving platform are used for alternately expanding and contracting, the forward movement of the stepping guide rail type self-moving platform is achieved, after the forward movement is achieved to the forefront end of a roadway advance area, the control valve is used for controlling the expansion and contraction of the support jack and the side pushing jack, the advance support is moved to positions to be supported on two sides of a roadway from the stepping guide rail type self-moving platform, and the moving procedure is completed. The advanced support and carrying complete equipment and the process can realize the repeated support free of an advanced area, ensure the integrity of a top plate, promote the management level of the top plate of a roadway and ensure higher carrying efficiency.
Drawings
FIG. 1 is a schematic view of a self-moving lead frame; FIG. 2 is a left side view of FIG. 1; FIG. 3 is a schematic diagram of a side-pushing mechanism; FIG. 4 is a schematic diagram of a base plate structure; FIG. 5 is a left side view of FIG. 4; FIG. 6 is a schematic view of a base structure with T-shaped struts installed; FIG. 7 is a top view of FIG. 6; FIG. 8 is a schematic view of the structure of the fixing base on the supporting jack; FIG. 9 is a schematic view of the structure of the lower fixing base of the supporting jack; FIG. 10 is a schematic view of the side jack and the support jack; FIG. 11 is a schematic view of a step-by-step guide rail type self-moving platform structure; FIG. 12 is a top view of FIG. 11; FIG. 13 is a schematic view of the structure of the supporting platform I; FIG. 14 is a left side view of FIG. 13; FIG. 15 is a schematic view of a supporting platform II; FIG. 16 is a top view of FIG. 15; FIG. 17 is a schematic view of a track assembly; FIG. 18 is a top view of FIG. 17; FIG. 19 is a left side cross-sectional view of FIG. 17; FIG. 20 is a schematic diagram of a walking device; FIG. 21 is a left side view of FIG. 20; FIG. 22 is a schematic diagram showing the mounting relationship of the telescopic jack on the supporting platform I and the traveling device; FIG. 23 is a schematic diagram of an intermediate connecting rod; FIG. 24 is a plan view of a lead zone lead frame; FIG. 25 is a schematic view of an initial state of the step-by-step rail type self-moving platform; FIG. 26 is a schematic view of a step rail self-moving platform pushing jack in a retracted state; fig. 27 is a schematic diagram of the pushing-out state of the stepping guide type self-moving platform pushing jack (same as the schematic diagram of the initial state).
Detailed Description
As shown in fig. 1 and 2, the self-moving type advanced support comprises a top beam 1, a base 2, a bottom plate 3, upright posts 5, side pushing jacks 6 and supporting jacks 7, wherein the top beam 1 is of a box type structure, the lower part of the base 2 is of a box type structure, two sides of the base 2 are welded with a support 19 upwards, the supports 19 are respectively welded with a horizontal connecting plate 20, and the connecting plates 20 are respectively provided with 8 bolt holes (shown in fig. 6 and 7); the piston rods at the upper ends of the two upright posts 5 are used for fixing the top beam 1 through the pin shafts 8, the lower ends of the two upright posts 5 are fixed on the base 2 through the pin shafts 8, the two upright posts 5 are connected through a fixed connection device, the fixed connection device consists of a T-shaped support post 14, a semicircular arc pressing plate 4 and bolts 10, the T-shaped support post 14 is box-shaped and welded at the middle position (as shown in figures 6 and 7) on the base 2, a semicircular arc clamping plate is arranged at the upper two ends of the T-shaped support post 14, the two semicircular arc clamping plates are respectively clamped at the inner sides of the two upright posts 5, the two semicircular arc pressing plates 4 are respectively clamped at the outer sides of the upright posts 5, and the two semicircular arc clamping plates at the upper two ends of the T-shaped support post 14 are connected with the semicircular arc pressing plate 4 through the bolts 10 and are locked. The bottom plate 3 is an L-shaped plate (shown in figures 4 and 5), the plate in the horizontal direction is arranged below the base 2, three positioning sleeves 15 are arranged on the outer side of the vertical plate 17, three cylindrical cavities are horizontally designed at the two ends and the middle of the inside of the base 2, two side pushing jacks 6 are respectively arranged in the two cylindrical cavities at the two sides, the front end part of each side pushing jack is fixed on the positioning sleeve 15 on the vertical plate 17 through a pin shaft, the rear end of each side pushing jack is fixed on the base 2 through a pin shaft 16, the guide rod 11 is arranged in the cylindrical cavity at the middle of the inside of the base 2, the front end part of each side pushing jack is fixed on the positioning sleeve 15 on the vertical plate 17 through a pin shaft, the guide rod 11 is arranged in the cylindrical cavity in the base 2 and is slidable relative to the base 2, and the bottom plate 3 is connected with the base 2 through the side pushing jacks 6 to form a self-moving mechanism (shown in figure 3). Two sides of the four supporting jacks 7 are respectively arranged at two sides of the base 2, two supporting jack upper fixing seats 12 are respectively connected below connecting plates 20 at two sides of the base 2, each supporting jack upper fixing seat 12 consists of a square metal plate 21 and a cylindrical connecting seat 22 (shown in figure 8), each square metal plate 21 is provided with four bolt holes, each supporting jack upper fixing seat 12 is fixed below the connecting plate 20 through bolts, the end parts of piston rods at the upper ends of the supporting jacks 7 are spliced on the cylindrical connecting seats 22 on the supporting jack upper fixing seats 12, and the distribution shaft 9 is fixed on the supporting jack upper fixing seats 12; the lower ends of the supporting jacks 7 are connected to the supporting jack lower fixing base 13, the supporting jack lower fixing base 13 consists of a rectangular metal plate 24 and two cylindrical connecting bases 23 (shown in figure 9), the lower ends of the two supporting jacks 7 on one side are inserted into the cylindrical connecting bases 23 on the supporting jack lower fixing base 13, and the distribution shaft 9 is fixed on the supporting jack lower fixing base 13. The connection parts of the two ends of the side pushing jack 6 and the supporting jack 7 are cylindrical (as shown in figure 10), and the end part of the piston rod and the cylinder bottom are provided with pin shaft holes for connection with related parts. An ear plate 18 is provided at each of the two side ends of the base 2, and can also be used for connecting traction equipment.
As shown in fig. 11 and 12, the step-by-step guide rail type self-moving platform comprises a supporting platform i 25, a supporting platform ii 26, a guide rail assembly 27, a travelling device 28, a connecting rod 29, pushing jacks 30 and telescopic jacks 31, wherein two supporting platforms i 25 are of box type structures, a bracket 34 is respectively welded on the left side and the right side of one end upwards, a pair of telescopic jack connecting lug plates 35 and limiting plates 36 are respectively welded on the bracket 34, and two pairs of pushing jack connecting lug plates 37 are welded on the other end of the supporting platform i 25 (as shown in fig. 13 and 14); the two ends of the supporting platform II 26 are of box-type structures and are connected through a bottom plate 26a, the whole is of a U-shaped structure (shown in figures 15 and 16), and the two ends of the supporting platform II are connected with the supporting platform I25 through bolts 33 to form a whole platform; the guide rail assembly 27 consists of two guide rails 38, 39 and a connecting beam 40, and is respectively arranged at the outer sides of two ends of the two supporting platforms I25, two pairs of lug plates 41 for installing the pushing jack 30 are arranged on the connecting beam, one end of the pushing jack 30 is connected with the lug plates 41 on the connecting beam 40 through a pin shaft 32, the other end of the pushing jack 30 is connected with the lug plates 3 on the supporting platform I25, and one side or two sides of the pushing jack 30 can be installed as required (only the pushing jack 30 on the right side is installed in the embodiment); the two guide rails 38 and 39 of the guide rail assembly 27 are respectively arranged on two guide rail bases 42 on two sides, the guide rail bases 42 are in a flat plate shape, anti-slip strips 42a are transversely and uniformly distributed on the bottom surface so as to increase friction resistance, and the front ends of the two guide rails 38 and 39 are respectively provided with lug plates 38a and 39a (shown in figures 17 and 18) for connecting the connecting rod 29; the connecting rod 29 is formed by welding two lug plates 49 and a connecting rod made of round steel (shown in fig. 23) and is used for connecting the front guide rail assembly 27 and the rear guide rail assembly 27, so that the two guide rail assemblies 27 are connected into a whole (shown in fig. 11); the walking device 28 consists of a walking wheel 45 and a walking frame 43, wherein the walking wheel 45 is connected with the walking frame 43 through a pin shaft 47 and is fixed through a clamping plate 48, and the lower end of the walking frame 43 is respectively connected with the guide rails 38 and 39 through the clamping plate 44; four sets of walking devices 28 are arranged, and each walking frame 43 is welded with a telescopic jack 31 which is connected with an ear plate 46; the four telescopic jacks 31 are respectively arranged at the left side and the right side of the supporting platform I25, the upper ends of the telescopic jacks 31 are respectively connected with the lug plates 35 at the two sides of the supporting platform I25 through distribution shafts, and are fixedly connected through pin shafts 35a, and the lower ends of the telescopic jacks are respectively connected with the lug plates 46 on the walking frame 43 through pin shafts 46a (as shown in figure 22); the running gear 28 is connected with the supporting platform I25 through the telescopic jack 31 and the pin shaft 35a, and the running wheels 45 directly fall on the guide rails 38 and 39 of the guide rail assembly 27 and are fixed through the clamping plates 44, so that the running gear 28 and the guide rail assembly 27 are connected into a whole (shown in fig. 22).
Working principle: as shown in fig. 24, the present invention is required to achieve the object of moving the self-moving type lead frame 50 from the supporting position 52 to the forefront position 51 of the lead zone, and the specific moving route is shown by the arrow.
The first step is to operate the self-moving lead frame 50 to move from the support position 52 to the step-rail self-moving platform 53, and the specific process is as follows: firstly, dismantling a connecting rod 29 on a stepping guide rail type self-moving platform 53, which is close to the side of a self-moving type advance support 50 to be moved, then retracting a piston rod of a stand column 5 of the self-moving type advance support, reducing the height of a top beam 1 of the self-moving type advance support to the lowest height, operating a side pushing jack 6, extending the piston rod, and moving the whole of a base 2 of the self-moving type advance support and a connecting member on the base 2 to the piston rod extending direction by a step distance of a side pushing jack stroke; the supporting jack 7 is operated, the piston rod is extended, the lower fixing seat 13 of the supporting jack falls to contact the ground, the self-moving type advanced support is integrally lifted, and the bottom plate 3 is lifted together with the base 2; the side pushing jack 6 is operated to retract the piston rod, and the bottom plate 3 is retracted together with the piston rod; the supporting jack 7 is operated, the piston rod is retracted, the base 2 falls on the ground, the movement of a step distance is completed, and the operation is circulated until the base is moved to a stepping guide rail type self-moving platform 53 placed in the middle of a roadway, and the specific placement position is a supporting platform II 26.
The second step is to operate the stepping guide type self-moving platform 53 to move from the rearmost end of the roadway advance area to the foremost end of the advance area, and the specific flow is as follows: firstly, the connecting rod 29 dismantled in the previous step is installed, the front and rear guide rail assemblies 27 are connected into a whole, 4 telescopic jacks 31 are extended from the front and rear, so that the front and rear four groups of guide rail assemblies 27 are in contact with the ground, the whole supporting platform I25 and the whole supporting platform II 26 are lifted (a pushing jack 30 can be installed on one side or can be installed on two sides as required, only a right pushing jack 30 is installed in the embodiment, the attached drawing figure 25 is in an initial state), the right pushing jack 30 is retracted (as shown in the attached figure 26), because the travelling device 28 is connected with the supporting platform I25 into a whole through the telescopic jacks 31, and the supporting platform I25 and the supporting platform II 26 are connected into a whole, when the pushing jack 30 is retracted, the whole supporting platform I25 is pulled to move rightwards through travelling wheels of the travelling device 28, and the whole supporting platform is moved forwards (rightwards) by a step distance (as shown in the attached figure 26); the telescopic jack 31 is retracted, the whole supporting platform is contacted with the ground, the front and rear four groups of guide rail assemblies 27 are lifted, the pushing jack 30 is extended, the right guide rail assembly 27 is driven by the pushing jack 30 to move rightwards, the left guide rail assembly 27 is pulled to move rightwards through the connecting rod 29 (as shown in fig. 27), one step distance is completed (namely, the initial state is restored), and the above process is circulated until the self-moving type lead bracket 50 is moved to the forefront end of the lead area.
The third step is to operate the self-moving lead frame 50 to move up from the step rail self-moving platform 53 to the position 51 to be supported, and the specific process is shown in the first step.
Claims (8)
1. The utility model provides a do not have and support advance support equipment repeatedly which characterized in that: the self-moving type advanced support consists of a top beam, a base, a bottom plate, upright posts, side pushing jacks and supporting jacks, wherein the top beam is of a box type structure, the lower part of the base is of a box type structure, and two sides of the base are upwards fixed with a horizontal connecting plate respectively through the support; the upper ends of the two upright posts are connected with the top beam, the lower ends of the two upright posts are connected with the base, and the two upright posts are connected by a fixed connecting device; the bottom plate is an L-shaped plate, the plate in the horizontal direction is arranged below the base, two cylindrical cavities are horizontally designed in the base, two side pushing jacks are respectively arranged in the two cylindrical cavities, positioning sleeves are arranged on the vertical plate of the bottom plate corresponding to the two cylindrical cavities on the base, the front ends of the two side pushing jacks are fixed on the positioning sleeves on the vertical plate, the rear ends of the two side pushing jacks are fixedly connected with the base through pin shafts, and the bottom plate is connected with the base through the side pushing jacks to form a self-moving mechanism; four supporting jacks are arranged on two sides of the base respectively, the upper ends of the supporting jacks are connected below the connecting plates on two sides of the base, and the lower ends of the supporting jacks are connected to a fixed seat.
2. The unsupported advanced support apparatus of claim 1, wherein: the fixed connection device comprises a T-shaped support column, a semicircular pressing plate and bolts, wherein the T-shaped support column is arranged at the middle position of the base, a semicircular clamping plate is arranged at the two ends of the upper surface of the T-shaped support column, the two semicircular clamping plates are respectively clamped at the inner sides of two upright posts, the two semicircular pressing plates are respectively clamped at the outer sides of the upright posts, and the two semicircular clamping plates at the two ends of the upper surface of the T-shaped support column are connected with the semicircular pressing plate through the bolts and locked.
3. The unsupported advanced support apparatus of claim 1 or 2, wherein: the guide rod is arranged in the cylindrical cavity in the middle of the two cylindrical cavities, the front end part of the guide rod is fixed on the positioning sleeve on the vertical plate through a pin shaft, and the guide rod is arranged in the cylindrical cavity of the base and can slide relative to the base.
4. The unsupported advanced support apparatus of claim 1, wherein: the connection parts of the two ends of the side pushing jack and the supporting jack are cylindrical, and pin shaft holes for connecting with related parts are arranged at the front part of the piston rod and the rear part of the cylinder body.
5. The utility model provides a no repetition support advance support handling equipment which characterized in that: the stepping guide rail type self-moving platform comprises a supporting platform I, a supporting platform II, a guide rail assembly, a traveling device, an intermediate connecting rod, a pushing jack and a telescopic jack, wherein the supporting platform II is of a U-shaped structure, two ends of the supporting platform II are in a box type, the middle of the supporting platform I is a flat plate, and the two supporting platforms I are of box type structures, are respectively arranged at two ends of the supporting platform II and are fixedly connected to the supporting platform II; the two sides of the outer end of the supporting platform I are respectively provided with a telescopic jack connecting device; the guide rail assemblies consist of two guide rails and a connecting beam, two sets of guide rail assemblies are respectively arranged at the outer sides of two ends of the two supporting platforms I, one connecting rod at one side is used for connecting the two sets of guide rail assemblies together, the pushing jack is arranged in the horizontal direction, one end of the pushing jack is arranged on the connecting beam, and the other end of the pushing jack is arranged on the supporting platform I; the walking device consists of walking wheels and a walking frame, and the lower end of the walking frame is connected to the guide rail through a clamping plate; the four telescopic jacks are respectively arranged on the left side and the right side of the supporting platform I, the upper ends of the telescopic jacks are respectively connected to the two sides of the supporting platform I, and the lower ends of the telescopic jacks are respectively connected to the walking frame of the walking device.
6. The unsupported forepoling handling apparatus of claim 5 wherein: the two guide rails of the guide rail assembly are respectively arranged on two guide rail bases on two sides, the guide rail bases are flat, and anti-slip strips are transversely and uniformly distributed on the bottom surface; the front ends of the two guide rails are respectively provided with an ear plate for connecting the connecting rods.
7. The unsupported forepoling handling apparatus of claim 5 wherein: one side of the pushing jack is installed or two sides of the pushing jack are installed.
8. A conveying method using the conveying apparatus according to any one of claims 5 or 7, characterized by comprising the steps of: firstly, moving a stepping guide rail type self-moving platform to a last group of leading supports of a roadway leading area side by side, moving the self-moving type leading supports from supporting positions on two sides of the roadway to the stepping guide rail type self-moving platform by utilizing a self-moving mechanism, then moving the leading supports to the forefront end of the roadway leading area by utilizing a travelling mechanism on the stepping guide rail type self-moving platform, then moving the self-moving type leading supports from the stepping guide rail type self-moving platform to positions to be supported on two sides of the roadway by utilizing the self-moving mechanism, and finishing the carrying of one leading support, and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582789.0A CN109441497B (en) | 2018-12-24 | 2018-12-24 | Complete equipment for advanced support and transportation without repeated support and transportation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582789.0A CN109441497B (en) | 2018-12-24 | 2018-12-24 | Complete equipment for advanced support and transportation without repeated support and transportation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441497A CN109441497A (en) | 2019-03-08 |
| CN109441497B true CN109441497B (en) | 2024-01-30 |
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| CN109882229B (en) * | 2019-04-15 | 2024-02-27 | 辽宁鑫丰矿业（集团）有限公司 | Fully-mechanized coal mining face retraction sector supporting device and supporting system |
| CN110080813B (en) * | 2019-05-07 | 2021-08-13 | 中国矿业大学(北京) | Roof cutting and side protecting device and method |
| CN110424996B (en) * | 2019-08-13 | 2020-09-04 | 天地科技股份有限公司 | Self-moving type advance support device without repeated support |
| CN112855227A (en) * | 2019-11-12 | 2021-05-28 | 永城煤电控股集团有限公司 | Combined component for coal mine roadway support |
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