CN205277494U - No coal column gob entry curtain sealing device that softens - Google Patents
No coal column gob entry curtain sealing device that softens Download PDFInfo
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- CN205277494U CN205277494U CN201521048635.5U CN201521048635U CN205277494U CN 205277494 U CN205277494 U CN 205277494U CN 201521048635 U CN201521048635 U CN 201521048635U CN 205277494 U CN205277494 U CN 205277494U
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Abstract
The utility model discloses a no coal column gob entry curtain sealing device that softens, include the supporting mechanism and be used for sealing crossheading tunnel group wall, the sealing mechanism in isolated crossheading tunnel and collecting space area, sealing mechanism includes flexible curtain cloth and is used for fixing the board at crossheading top of roadway with the last border of flexible curtain cloth, fix the locating component on the bottom plate of crossheading tunnel with the lower border of flexible curtain cloth, the longitudinal support subassembly that the supporting mechanism includes the horizontal supporting component that goes on supporting to flexible curtain cloth along the length direction of flexible curtain cloth and goes on flexible curtain cloth along the direction of height of flexible curtain cloth supporting. The utility model discloses a let the pressure to the flexibility of top of roadway board, guaranteed tunnel and collecting space area thoroughly isolated, do not go here and there wind.
Description
Technical field
This utility model relates to a kind of gob side entry retaining sealing device, particularly relates to a kind of without the soft curtain sealing device of coal column gob side entry retaining.
Background technology
The recovery method that tradition coal column protects lane is adopted to waste substantial amounts of coal resources, and on coal column, gathered a large amount of elasticity of compression energy, easily cause the dynamic disaster such as bump, coal and gas prominent, therefore, be the direction of coal mining development without coal pillar mining technology. The lane of Qie Dingcheng without coal column technology adopts explosion Advance presplitting directly to push up, and under stope periodic weighting effect, directly top is settled down to formation lane, end side, completely cuts off goaf, it is achieved that without coal pillar mining, improves the distribution of stope ambient stress. Behind the lane of Qie Dingcheng without coal column, it is achieved tunnel is successfully crucial with the thoroughly isolation Shi Liu lane of old man (goaf). In order to ensure that tunnel and goaf thoroughly completely cut off, do not go here and there wind, traditional method generally requires employing channel-section steel and reinforces lane side, and the technique of a large amount of slip castings is helped in Zai Xiang lane, not only wastes a large amount of manpower, financial resources, and it would furthermore be possible to affect work surface normally take over program. At present, Qie Dingcheng lane technology is mainly used in girdle, and due to old fight back, to turn subsiding extent less, and lane side rigidity body of wall and coal seam floor failure degree are still inconspicuous. For high seam, it is relatively big that old fight back turns sinking amplitude, according to existing rigidity body of wall Sealing Technology, very easily causes heaving of deformation that lane helps and base plate.
As can be seen here, prior art awaits further improving.
Utility model content
This utility model is the weak point avoiding above-mentioned prior art to exist, it is provided that a kind of soft curtain sealing device of gob side entry retaining without coal column realizing the flexibility of back is allowed pressure and good seal performance and using method thereof.
The technical scheme that this utility model adopts is:
The soft curtain sealing device of gob side entry retaining without coal column, including supporting mechanism and for closing the sealing mechanism in gate road side wall, isolation gate road and goaf, sealing mechanism includes flexible cord and for the upper edge of flexible cord being fixed on gate road top board, the lower edge of flexible cord being fixed on the positioning component on gate road base plate, the longitudinal bracing assembly that supporting mechanism includes the lateral support member that flexible cord is supported along the length direction of flexible cord and flexible cord is supported by the short transverse along flexible cord.
Described positioning component includes train wheel bridge and lower plate, upper and lower clamping plate all offer clip slot along respective length direction, the upper edge of flexible cord is placed in the clip slot of train wheel bridge and realizes fastening location by several bolt and nut securing members that the length direction along train wheel bridge is uniform, and the lower edge of flexible cord is placed in the clip slot of lower plate and realizes fastening location by several bolt and nut securing members that the length direction along lower plate is uniform.
Described upper and lower clamping plate connect assembly and gate road top, being connected of base plate respectively through anchor pole, anchor pole connects assembly and includes anchor pole, clamp nut and pallet, one end of anchor pole is connected with the top of gate road, base plate, the other end of anchor pole positions through the upper and lower clamping plate corresponding with anchor pole and by clamp nut fastening, and pallet is arranged between clamp nut and upper and lower clamping plate.
Described train wheel bridge and lower plate are flexible clamping plate, and upper and lower clamping plate are made by rubber flame-retarded material.
Described longitudinal bracing assembly and lateral support member are positioned at the same side of flexible cord, described longitudinal bracing assembly includes guide post, guide post includes the fixing bar and the motion bar that are connected with each other, fixing bar is positioned at the lower section of motion bar, motion bar can along the short transverse lifting of flexible cord, the external diameter of fixing bar is more than the external diameter of motion bar, and the bottom of fixing bar is connected with lower plate, and the top of motion bar is connected with train wheel bridge; Described lateral support member includes some transverse support bar, and some transverse support bar equidistantly distribute in the short transverse of flexible cord.
The relative position of described flexible cord and each transverse support bar is provided with several transverse support bar location divisions along the length direction of flexible cord, each transverse support bar location division all includes two colligation cloths, and one end of two colligation cloths is connected with flexible cord respectively, the other end complements each other to form the colligation to transverse support bar and positions.
Described fixing bar is connected respectively through the transverse support bar of several snap component with respective heights place along respective short transverse with motion bar, each snap component all includes the first clip and the second clip, first clip is nested with on fixing bar and motion bar, second clip is nested with in transverse support bar, first clip is connected with the second clip by connecting rod, the axis of the first clip and the axis of the second clip are mutually perpendicular to, the structure of the first clip and the second clip is identical but internal diameter is different, the internal diameter of the first clip is more than the internal diameter of the second clip, the internal diameter of the first clip is more than the external diameter of motion bar, during connection, first clip fastens fixing bar, second clip fastens transverse support bar, first clip pine entangles motion bar simultaneously, flexible cord is enable to lift with the lifting of motion bar.
Described first clip and the second clip all include the first half segmental arcs and the second half segmental arcs, one end of the first half segmental arcs with one end of the second half segmental arcs be rotationally connected, the other end of the other end of the first half segmental arcs and the second half segmental arcs is connected for fixing; One end of the first half segmental arcs is provided with locating convex block, and locating convex block offers first turn of hole, one end of the second half segmental arcs offers the groove that can hold locating convex block, and the second half the upper and lower of segmental arc this one end that groove is set offer the second turn hole relative with first turn of hole site respectively, the first half segmental arcs arrange one end of locating convex block and arrange one end of groove by realizing being rotationally connected through the rotating shaft in first turn of hole, second turn of hole with the second half segmental arcs; The other end of first, second half segmental arcs is provided with location flange, and the location flange of the location flange of the first half segmental arcs and the second half segmental arcs realizes fastening by bolt and nut securing member and positions.
Described guide post is monomer liquid cylinder pressure, and the cylinder body of monomer liquid cylinder pressure constitutes above-mentioned fixing bar, and the piston rod in monomer liquid cylinder pressure constitutes above-mentioned motion bar.
Described sealing mechanism along gate road length direction near many groups, side, goaf connect arrange, corresponding, supporting mechanism is provided with many groups, the flexible cord of each sealing mechanism is arranged side by side along gate road length direction, linked by omnipotent stickup between the flexible cord of each sealing mechanism and connect, each omnipotent stickup deduction of points is not arranged on left end and the right-hand member of flexible cord, connecting bolt is passed through between the transverse support bar of each supporting mechanism, attaching nut is connected, one end of transverse support bar offers screwed hole, the other end is provided with external screw thread, attaching nut's half screws in the external screw thread place of transverse support bar, one end of connecting bolt screws in the screwed hole of transverse support bar, in second half of the other end screw-in attaching nut of connecting bolt.
Owing to have employed technique scheme, having the beneficial effect that acquired by this utility model
1, the flexible cord in this utility model and upper and lower clamping plate all have employed airfast material, and between each parts, strict seal connects, it is ensured that wind is not gone here and there in tunnel and goaf.
2, the rigidity of the flexible cord in this utility model, fixing bar and motion bar is all very little, achieve the flexibility to back and allow pressure, overcome the drawback that lane side destroys, base plate is heaved that rigidity body of wall brings, solve the lane side sealing problem in high seam Qie Dingliu lane.
3, each parts of the flexible cord in this utility model and composition supporting mechanism all can all be recycled, and is greatly saved sealing cost.
4, this utility model simple in construction, light, it is simple to install, good seal performance, it is ensured that tunnel and goaf thoroughly completely cut off, does not go here and there wind, and construction technique of the present utility model is simple, does not affect normally taking over of tunnel.
Accompanying drawing explanation
Fig. 1 is the soft curtain sealing device of the gob side entry retaining without coal column in this utility model layout drawing in tunnel.
Fig. 2 is axonometric chart of the present utility model.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 illustrates the connected mode figure of transverse support bar and motion bar in this utility model.
Fig. 6 is the structural representation of snap component in this utility model.
Fig. 7 illustrates the connected mode figure of adjacent two flexible cords and adjacent two transverse support bar in this utility model.
Fig. 8 is the connected mode schematic diagram of connected two transverse support bar.
Fig. 9 is the connected mode schematic diagram of connected two flexible cords.
Wherein,
1, flexible cord 2, train wheel bridge 3, bolt and nut securing member 4, lower plate 5, anchor pole 6, pallet 7, clamp nut 8, fixing bar 9, motion bar 10, transverse support bar 11, colligation cloth 12, attaching nut 13, snap component 131, first clip 131.1, the first half segmental arcs 131.2, the second half segmental arcs 131.3, locating convex block 131.4, rotating shaft 131.5, location flange 132, second clip 133, connecting rod 14, connecting bolt 15, screwed hole 16, omnipotent Paste button 17, gate road 18, gate road base plate 19, directly top
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail, but this utility model is not limited to these embodiments.
As shown in Figures 1 to 9, the soft curtain sealing device of gob side entry retaining without coal column, including supporting mechanism and the sealing mechanism helping wall, isolation gate road and goaf for closing gate road 17, sealing mechanism includes flexible cord 1 and for the upper edge of flexible cord 1 being fixed on gate road 17 top board, the lower edge of flexible cord 1 being fixed on the positioning component on gate road 17 base plate, described flexible cord 1 adopts flame-retardant and anti-static flexible PVC material to make, being specially with high-strength polyester lattice cloth for skeleton, PVC plastic is filled and is made, described positioning component includes train wheel bridge 2 and lower plate 4, train wheel bridge 2 and lower plate 4 and is flexible clamping plate, and the flexible characteristic of upper and lower clamping plate can adapt it to the roughness of top, tunnel, base plate, and upper and lower clamping plate are made by rubber flame-retarded material, upper and lower clamping plate all offer clip slot along respective length direction, upper and lower clamping plate along the section of respective width all in V-shape, the upper edge of flexible cord 1 is placed in the clip slot of train wheel bridge 2 and realizes fastening location by several bolt and nut securing members 3 that the length direction along train wheel bridge 2 is uniform, the lower edge of flexible cord 1 is placed in the clip slot of lower plate 4 and realizes fastening location by several bolt and nut securing members 3 that the length direction along lower plate 4 is uniform, and on, lower plate connects being connected of assembly and gate road 17 top board and gate road base plate 18 respectively through anchor pole, anchor pole connects assembly and includes anchor pole 5, clamp nut 7 and pallet 6, the top of one end of anchor pole 5 and gate road 17, base plate is connected, the other end of anchor pole 5 is through corresponding with anchor pole 5 upper, lower plate is also positioned by clamp nut 7 fastening, pallet 6 is arranged on clamp nut 7 with upper, between lower plate.
The longitudinal bracing assembly that supporting mechanism includes the lateral support member that flexible cord is supported along the length direction of flexible cord 1 and flexible cord 1 is supported by the short transverse along flexible cord 1; Described longitudinal bracing assembly and lateral support member are positioned at the same side of flexible cord 1, described longitudinal bracing assembly includes guide post, guide post includes the fixing bar 8 and the motion bar 9 that are connected with each other, fixing bar 8 is positioned at the lower section of motion bar 9, motion bar 9 can along the short transverse lifting of flexible cord, the external diameter of fixing bar 8 is more than the external diameter of motion bar 9, and the bottom of fixing bar 8 is connected with lower plate 4, and the top of motion bar 9 is connected with train wheel bridge 2; Described lateral support member includes some transverse support bar 10, and some transverse support bar 10 equidistantly distribute in the short transverse of flexible cord 1; The relative position of described flexible cord 1 and each transverse support bar 10 is provided with several transverse support bar location divisions along the length direction of flexible cord 1, each transverse support bar location division all includes two colligation cloths 11, and one end of two colligation cloths 11 is connected with flexible cord 1 respectively, the other end complements each other to form the colligation to transverse support bar 10 and positions. It should be noted that the version of transverse support bar location division is not limited only to the mode of above-mentioned colligation cloth 11, it is also possible to replace colligation cloth 11 with Paste button, as long as the colligation positioning instant being capable of between transverse support bar 10 and flexible cord 1 can.
Described fixing bar 8 is connected with the transverse support bar 10 at respective heights place respectively through several snap component 13 along respective short transverse with motion bar 9, each snap component 13 all includes the first clip 131 and the second clip 132, first clip 131 is nested with on fixing bar 8 and motion bar 9, second clip 132 is nested with in transverse support bar 10, first clip 131 is connected with the second clip 132 by connecting rod 133, the axis of the first clip 131 and the axis of the second clip 132 are mutually perpendicular to, first clip 131 is identical from the structure of the second clip 132 but internal diameter is different, the internal diameter of the first clip 131 is more than the internal diameter of the second clip 132, the internal diameter of the first clip 131 is more than the external diameter of motion bar 9, the internal diameter of the first clip 131 is slightly less than the external diameter of fixing bar 8, the internal diameter of the second clip 132 is slightly less than the external diameter of transverse support bar 10, during connection, the first clip 131 fastens fixing bar 8, and the second clip 132 fastens transverse support bar 10, and the first clip 131 pine entangles motion bar 9 simultaneously, makes flexible cord 1 can lift with the lifting of motion bar 9.
Described first clip 131 and the second clip 132 all include the first half segmental arcs 131.1 and the second half segmental arcs 131.2, one end of the first half segmental arcs 131.1 with one end of the second half segmental arcs 131.2 be rotationally connected, the other end of the other end of the first half segmental arcs 131.1 and the second half segmental arcs 131.2 is connected for fixing; One end of the first half segmental arcs 131.1 is provided with locating convex block 131.3, and locating convex block 131.3 offers first turn of hole, one end of the second half arcs 131.2 sections offers the groove that can hold locating convex block 131.3, and the second half the upper and lower of segmental arc 131.2 this one end that groove is set offer the second turn hole relative with first turn of hole site respectively, the first half segmental arcs 131.1 arrange one end of locating convex block 131.8 and arrange one end of groove by realizing being rotationally connected through the rotating shaft 131.4 in first turn of hole, second turn of hole with the second half segmental arcs 131.2; The other end of first, second half segmental arcs is provided with location flange 131.5, and the location flange of the location flange of the first half segmental arcs 131.1 and the second half segmental arcs 131.2 realizes fastening by bolt and nut securing member and positions. It should be noted that, the version of the first clip 131 and the second clip 132 is not limited only to the version of above-mentioned the first half segmental arcs 131.1, the second half segmental arcs 131.2, as long as being capable of the first clip 131 can fasten fixing bar 8 and pine entangles motion bar 9, the second clip 132 can fasten the frame for movement of transverse support bar 9 all can meet requirement. Similarly, one end of first clip 131 and the second clip 132 is rotationally connected, the other end is fixed the mode of connection and is also not limited only to above-mentioned version, any one end that can realize both rotates mutually, and the version that the other end is fastened mutually by mechanical component is all passable.
Preferably, described guide post is monomer liquid cylinder pressure, and the cylinder body of monomer liquid cylinder pressure constitutes above-mentioned fixing bar 8, and the piston rod in monomer liquid cylinder pressure constitutes above-mentioned motion bar 9. It should be noted that guide post may also be arranged to other version, as long as the rod member that can meet bottom maintains static, the rod member on top can stretch along the short transverse of flexible cord.
Described sealing mechanism along gate road length direction near many groups, side, goaf connect arrange, corresponding, supporting mechanism is provided with many groups, the flexible cord 1 of each sealing mechanism is arranged side by side along gate road length direction, left end and the right-hand member of each flexible cord 1 are respectively arranged with omnipotent Paste button 16, pasted by omnipotent Paste button 16 between the flexible cord 1 of each sealing mechanism and be connected, by connecting bolt 14 between the transverse support bar 10 of each supporting mechanism, attaching nut 12 is connected, one end of transverse support bar 10 offers screwed hole 15, the other end is provided with external screw thread, attaching nut 12 half screws in the external screw thread place of transverse support bar 10, one end of connecting bolt 14 screws in the screwed hole 15 of transverse support bar 10, in second half of the other end screw-in attaching nut 12 of connecting bolt 14. it should be noted that the connected mode between adjacent two flexible cords 1 is not limited only to the bonding method of above-mentioned omnipotent Paste button 16, as long as the version that adjacent two flexible joint realize being tightly connected all can be met requirement, the connected mode of two corresponding transverse support bar 10 of two adjacent groups supporting mechanism is also not limited only to above-mentioned connecting bolt 14, attaching nut 12, screwed hole 15 and externally threaded version, as long as the mechanical mechanism being fastenedly connected being capable of two corresponding transverse support bar 10 all can meet requirement.
As shown in Figures 1 to 9, utilize this utility model that the process sealed without coal column gob side entry retaining is specifically included following steps:
Step one, first two crossheadings of mining face of digging and open-off cut, form first mining face; Before working face mining, at top board and the base plate place of gate road 17, anchor pole 5 is installed, the rib 15cm place that upper and lower clamping plate are parallel to gateroad floor distance coal-face simultaneously is fixed on anchor pole, and upper and lower clamping plate are tied respectively on the top board and base plate that are attached to gate road 17 by pallet 6 by clamp nut 7;
Step 2, before working face mining, advanced directional blasting directly pushes up; Press close to coal-face side along lower gate road and beat blasting boreholes, and explosive is installed, carry out directly top explosion presplitting joint-cutting;
Step 3, installs flexible cord 1, is close in the clip slot being fixed to upper and lower clamping plate by bolt and nut securing member 3 by flexible cord 1;
Step 4, supporting mechanism is installed, fix flexible for transverse support bar 10 traverse cord 1 carries out colligation along the colligation cloth 11 being parallel to gate road length direction layout, all of transverse support bar 10 is installed from bottom to top successively, then fixing bar 8 is arranged on the centre position of lower plate 4, emulsion is injected in monomer liquid cylinder pressure, the top making motion bar 9 is arranged on the centre position of train wheel bridge 2, connects transverse support bar 10 and fixing bar 8, motion bar 9 by the first clip 131 and the second clip 132 afterwards;
Step 5, carries out whitewashing process along the upper surface of train wheel bridge 2 and the bottom face of lower plate 4, makes upper and lower clamping plate be close to the top of gate road, base plate respectively, it is ensured that its sealing effectiveness;
Step 6, according to step one, next group sealing mechanism and supporting mechanism are installed successively to step 5, connected by omnipotent Paste button 13 between the flexible cord 1 of two adjacent groups sealing mechanism, be connected by connecting bolt 14 and attaching nut 12 between the transverse support bar 10 of two adjacent groups supporting mechanism;
Step 7, after subsequent work face pushes through, withdraws from the sealing mechanism and supporting mechanism used in a work surface, for lower bar gate road.
The setting load size of described fixing bar 8 and motion bar 9 is much smaller than Support Resistance, specific size needs to be determined according to the parameter such as the supporting height of gate road 17, ventilation blast, setting load only serves the effect of stable flexible cord, and do not require the effect preventing back from sinking, while making directly top decline, motion bar declines therewith, and then the top of flexible cord 1 is declined.
The part do not addressed in this utility model adopts or uses for reference prior art and can realize.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
Specific embodiment described herein is only to spirit of the present utility model example explanation. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Claims (10)
1. without the soft curtain sealing device of coal column gob side entry retaining, it is characterized in that, including supporting mechanism and for closing the sealing mechanism in gate road side wall, isolation gate road and goaf, sealing mechanism includes flexible cord and for the upper edge of flexible cord being fixed on gate road top board, the lower edge of flexible cord being fixed on the positioning component on gate road base plate, the longitudinal bracing assembly that supporting mechanism includes the lateral support member that flexible cord is supported along the length direction of flexible cord and flexible cord is supported by the short transverse along flexible cord.
2. the soft curtain sealing device of gob side entry retaining without coal column according to claim 1, it is characterized in that, described positioning component includes train wheel bridge and lower plate, upper and lower clamping plate all offer clip slot along respective length direction, the upper edge of flexible cord is placed in the clip slot of train wheel bridge and realizes fastening location by several bolt and nut securing members that the length direction along train wheel bridge is uniform, and the lower edge of flexible cord is placed in the clip slot of lower plate and realizes fastening location by several bolt and nut securing members that the length direction along lower plate is uniform.
3. the soft curtain sealing device of gob side entry retaining without coal column according to claim 2, it is characterized in that, described upper and lower clamping plate connect assembly and gate road top, being connected of base plate respectively through anchor pole, anchor pole connects assembly and includes anchor pole, clamp nut and pallet, one end of anchor pole is connected with the top of gate road, base plate, the other end of anchor pole positions through the upper and lower clamping plate corresponding with anchor pole and by clamp nut fastening, and pallet is arranged between clamp nut and upper and lower clamping plate.
4. the soft curtain sealing device of gob side entry retaining without coal column according to claim 2, it is characterised in that described train wheel bridge and lower plate are flexible clamping plate, and upper and lower clamping plate are made by rubber flame-retarded material.
5. the soft curtain sealing device of gob side entry retaining without coal column according to claim 1, it is characterized in that, described longitudinal bracing assembly and lateral support member are positioned at the same side of flexible cord, described longitudinal bracing assembly includes guide post, guide post includes the fixing bar and the motion bar that are connected with each other, fixing bar is positioned at the lower section of motion bar, motion bar can along the short transverse lifting of flexible cord, the external diameter of fixing bar is more than the external diameter of motion bar, the bottom of fixing bar is connected with lower plate, and the top of motion bar is connected with train wheel bridge; Described lateral support member includes some transverse support bar, and some transverse support bar equidistantly distribute in the short transverse of flexible cord.
6. the soft curtain sealing device of gob side entry retaining without coal column according to claim 5, it is characterized in that, the relative position of described flexible cord and each transverse support bar is provided with several transverse support bar location divisions along the length direction of flexible cord, each transverse support bar location division all includes two colligation cloths, and one end of two colligation cloths is connected with flexible cord respectively, the other end complements each other to form the colligation to transverse support bar and positions.
7. the soft curtain sealing device of gob side entry retaining without coal column according to claim 5, it is characterized in that, described fixing bar is connected respectively through the transverse support bar of several snap component with respective heights place along respective short transverse with motion bar, each snap component all includes the first clip and the second clip, first clip is nested with on fixing bar and motion bar, second clip is nested with in transverse support bar, first clip is connected with the second clip by connecting rod, the axis of the first clip and the axis of the second clip are mutually perpendicular to, the structure of the first clip and the second clip is identical but internal diameter is different, the internal diameter of the first clip is more than the internal diameter of the second clip, the internal diameter of the first clip is more than the external diameter of motion bar, during connection, first clip fastens fixing bar, second clip fastens transverse support bar, first clip pine entangles motion bar simultaneously, flexible cord is enable to lift with the lifting of motion bar.
8. the soft curtain sealing device of gob side entry retaining without coal column according to claim 7, it is characterized in that, described first clip and the second clip all include the first half segmental arcs and the second half segmental arcs, one end of the first half segmental arcs with one end of the second half segmental arcs be rotationally connected, the other end of the other end of the first half segmental arcs and the second half segmental arcs is connected for fixing; One end of the first half segmental arcs is provided with locating convex block, and locating convex block offers first turn of hole, one end of the second half segmental arcs offers the groove that can hold locating convex block, and the second half the upper and lower of segmental arc this one end that groove is set offer the second turn hole relative with first turn of hole site respectively, the first half segmental arcs arrange one end of locating convex block and arrange one end of groove by realizing being rotationally connected through the rotating shaft in first turn of hole, second turn of hole with the second half segmental arcs; The other end of first, second half segmental arcs is provided with location flange, and the location flange of the location flange of the first half segmental arcs and the second half segmental arcs realizes fastening by bolt and nut securing member and positions.
9. the soft curtain sealing device of gob side entry retaining without coal column according to claim 5, it is characterised in that described guide post is monomer liquid cylinder pressure, the cylinder body of monomer liquid cylinder pressure constitutes above-mentioned fixing bar, and the piston rod in monomer liquid cylinder pressure constitutes above-mentioned motion bar.
10. the soft curtain sealing device of gob side entry retaining without coal column according to claim 5, it is characterized in that, described sealing mechanism along gate road length direction near many groups, side, goaf connect arrange, corresponding, supporting mechanism is provided with many groups, the flexible cord of each sealing mechanism is arranged side by side along gate road length direction, linked by omnipotent stickup between the flexible cord of each sealing mechanism and connect, each omnipotent stickup deduction of points is not arranged on left end and the right-hand member of flexible cord, connecting bolt is passed through between the transverse support bar of each supporting mechanism, attaching nut is connected, one end of transverse support bar offers screwed hole, the other end is provided with external screw thread, attaching nut's half screws in the external screw thread place of transverse support bar, one end of connecting bolt screws in the screwed hole of transverse support bar, in second half of the other end screw-in attaching nut of connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048635.5U CN205277494U (en) | 2015-12-16 | 2015-12-16 | No coal column gob entry curtain sealing device that softens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048635.5U CN205277494U (en) | 2015-12-16 | 2015-12-16 | No coal column gob entry curtain sealing device that softens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277494U true CN205277494U (en) | 2016-06-01 |
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ID=56062077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521048635.5U Expired - Fee Related CN205277494U (en) | 2015-12-16 | 2015-12-16 | No coal column gob entry curtain sealing device that softens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351006A (en) * | 2015-12-16 | 2016-02-24 | 山东科技大学 | Coal-pillar-free gob-side entry retaining soft curtain sealing device and use method thereof |
| CN117052412A (en) * | 2023-10-10 | 2023-11-14 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
-
2015
- 2015-12-16 CN CN201521048635.5U patent/CN205277494U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351006A (en) * | 2015-12-16 | 2016-02-24 | 山东科技大学 | Coal-pillar-free gob-side entry retaining soft curtain sealing device and use method thereof |
| CN105351006B (en) * | 2015-12-16 | 2018-01-16 | 山东科技大学 | Without the soft curtain sealing device of coal column gob side entry retaining and its application method |
| CN117052412A (en) * | 2023-10-10 | 2023-11-14 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
| CN117052412B (en) * | 2023-10-10 | 2023-12-12 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
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