CN113669085A - Anchor net laying device, anchor net advance support equipment and anchor net laying method - Google Patents
Anchor net laying device, anchor net advance support equipment and anchor net laying method Download PDFInfo
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- CN113669085A CN113669085A CN202110982857.8A CN202110982857A CN113669085A CN 113669085 A CN113669085 A CN 113669085A CN 202110982857 A CN202110982857 A CN 202110982857A CN 113669085 A CN113669085 A CN 113669085A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000008569 process Effects 0.000 claims description 40
- 238000005192 partition Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Abstract
The invention provides an anchor net laying device, anchor net advanced support equipment and an anchor net laying method, and relates to the technical field of roadway advanced support. The anchor net laying device is applied to the advance support of a roadway and comprises an advance support, a top circulating anchor net laying mechanism and a tail anchor net laying mechanism, wherein the advance support comprises a main supporting component and an auxiliary supporting component, and a forward driving component is connected between the main supporting component and the auxiliary supporting component; the supporting component comprises a lifting supporting frame and a top beam; the top circulating anchor net laying mechanism comprises an anchor net tensioning and adjusting assembly arranged on the inner side of a fixed frame body of the main supporting assembly; afterbody anchor net laying mechanism is including locating the carrier seat of the fixed support body tail end of auxiliary stay subassembly, bears the carrier seat and installs an anchor net holding section of thick bamboo and afterbody and leads the net driving piece, and the drive end that the net driving piece was led to the afterbody is connected with the afterbody that upwards supports and leads the net subassembly. The anchor net laying device is simple in structure and low in requirement on roadway space.
Description
Technical Field
The invention relates to the technical field of roadway advance support, in particular to an anchor net laying device, anchor net advance support equipment and an anchor net laying method.
Background
In the coal mine roadway tunneling or mining operation, the advance support of the roadway is of great importance, wherein the advance support of the roadway is widely applied by utilizing the anchor net laying device and the anchor net to be laid in a matching way, however, the existing anchor net laying device is complex in structure and high in requirement on the roadway space in order to realize the laying support of the anchor net to the top area and the tail area of the anchor net laying device.
Disclosure of Invention
The invention aims to provide an anchor net laying device, anchor net advanced support equipment and an anchor net laying method, and aims to solve the technical problems that the existing anchor net laying device is complex in structure and high in requirement on roadway space due to the fact that an anchor net lays and supports the top area and the tail area of the anchor net.
In order to solve the problems, the invention provides an anchor net laying device, which is applied to the advance support of a roadway and comprises an advance support, a top circulating anchor net laying mechanism and a tail anchor net laying mechanism, wherein the advance support comprises four supporting parts which are arranged at intervals along the width direction of the roadway, the two supporting parts positioned in the middle part form a main supporting component, the two supporting parts positioned on two sides form an auxiliary supporting component, and a forward driving part for driving one of the main supporting component and the auxiliary supporting component to move along the length direction of the roadway is connected between the main supporting component and the auxiliary supporting component; the supporting component comprises a lifting supporting frame and a top beam, the lifting supporting frame comprises a fixed frame body and a lifting frame body connected to the bottom of the fixed frame body, and the top beam is arranged at the top end of the fixed frame body;
the top circulating anchor net laying mechanism comprises an anchor net tensioning and adjusting assembly arranged on the inner side of a fixed frame body of the main supporting assembly; afterbody anchor net laying mechanism is including locating the bearing seat of auxiliary stay assembly's fixed support body tail end, bearing seat installs an anchor net holding section of thick bamboo and afterbody and leads the net driving piece, the drive end that the net driving piece was led to the afterbody is connected with the afterbody that upwards supports and leads the net subassembly, the afterbody is led the net driving piece and is used for the drive the afterbody is led the net subassembly and goes up and down.
Optionally, the top circulating anchor net laying mechanism further comprises a top guide net driving piece arranged at the tail end of the fixing frame body of the auxiliary supporting assembly, the driving end of the top guide net driving piece is connected with a top guide net assembly which is supported upwards, and the top guide net driving piece is used for driving the top guide net assembly to lift.
Optionally, the tail net guide assembly comprises a tail net guide expansion bracket of which the bottom end is connected to the bearing seat and a tail net guide roller connected to the top end of the tail net guide expansion bracket, the tail net guide roller extends along the width direction of the roadway, and the driving end of the tail net guide driving piece is connected with the tail net guide roller;
and/or, the top is led the net subassembly and is included the top and lead the net expansion bracket and connect in the top of top is led the net roller on net expansion bracket top, and the width direction in tunnel is extended along the top to lead the net roller, the bottom of top is led the net expansion bracket connect in bear the weight of the seat or anchor net holding cylinder, the drive end of top is led the net driving piece with the top is led the net roller and is connected.
Optionally, the anchor net tensioning and adjusting assembly comprises a tensioning and adjusting driving member mounted on the inner side of a fixing frame body of the main supporting assembly and a tensioning and adjusting roller connected to the driving end of the tensioning and adjusting driving member, the axial direction of the tensioning and adjusting roller is consistent with the width direction of a roadway, and the tensioning and adjusting driving member is used for driving the tensioning and adjusting roller to translate.
Optionally, the anchor net tensioning adjusting assembly further comprises a folding seat, a through channel with an extension direction consistent with the length direction of the roadway is arranged in the folding seat, a plurality of partition plates are arranged in the through channel, one side of each partition plate is fixedly connected with the inner side wall of the corresponding side of the through channel along the width direction of the roadway, and a gap is reserved between the other side of each partition plate and the inner side wall of the corresponding side of the through channel; the plurality of partition plates are arranged at intervals along the up-down direction and are sequentially and alternately fixedly connected with the inner side walls on the two sides of the through channel; the tensioning adjusting roller is pivoted to the folding seat to form a tensioning folding structure, and the tensioning adjusting driving piece is connected with the tensioning folding structure.
Optionally, a mounting seat is arranged at the joint of the fixing frame body and the lifting frame body of the main support assembly, and the mounting seat extends along the length direction of the roadway; the number of the tensioning folding structures is three, the three tensioning folding structures are arranged in a triangular mode, and tensioning adjusting rollers of the three tensioning folding structures are all located at the front end of the winding net of the corresponding folding seat;
one of the three tensioning folding structures is connected with the mounting seat in a sliding manner, and the tensioning adjusting driving piece is used for driving the tensioning folding structure to slide along the length direction of the mounting seat; and the other two tensioning folding structures are fixedly connected to the inner side of the mounting seat.
Optionally, the head ends of the top beams of the four supporting members are all pivoted with head end circulating net guide rollers, and the axial direction of the head end circulating net guide rollers is consistent with the width direction of the roadway.
The invention also provides anchor net advanced support equipment which comprises a top circulating anchor net ring, a tail anchor net roll and the anchor net laying device, wherein the top circulating anchor net ring is sleeved on a top beam of an advance support in the anchor net laying device and the top circulating anchor net laying mechanism; the tail anchor net roll is accommodated in the anchor net accommodating barrel of the anchor net laying device, and the anchor net of the tail anchor net roll extends out of the anchor net accommodating barrel and then bypasses a tail guide net assembly of the anchor net laying device from bottom to top.
The invention also provides an anchor net laying method, the anchor net advanced support equipment is adopted, the laying process comprises a support stage and a laying stage, wherein,
in the supporting stage, an anchor net tensioning adjusting assembly of the anchor net laying device adjusts and tensions a top circulating anchor net ring, and top beams of four supporting components support the top circulating anchor net ring to be positioned on the top plate of an anchor net supporting roadway in the top area of the top beams; the tail guide net driving piece drives the tail guide net assembly to support a top plate of an anchor net supporting roadway wound by a tail anchor net roll;
during the laying stage, the lifting support frame of the main support component descends for a first preset distance, the forward driving component drives the main support component to move forward for a second preset distance, and the tension degree of the top circulating anchor net ring is adjusted by the anchor net tension adjusting component in the descending and forward moving processes of the main support component;
the lifting support frame of the main support assembly ascends for a first preset distance, and in the process that the main support assembly ascends, the tension degree of the top circulating anchor net ring is adjusted by the anchor net tension adjusting assembly;
the lifting support frame of the auxiliary support assembly descends for a third preset distance, the forward driving piece drives the auxiliary support assembly to move forwards for the second preset distance, and in the descending and forward moving processes of the auxiliary support assembly, the tension degree of the top circulating anchor net ring is adjusted by the anchor net tension adjusting assembly; meanwhile, in the process of descending the auxiliary supporting assembly, the tail guide net driving piece drives the tail guide net assembly to ascend so that the tail guide net assembly keeps supporting the top plate of the anchor net supporting roadway wound by the tail anchor net roll; in the process that the auxiliary supporting assembly moves forwards, the tail part net guide assembly moves forwards synchronously, and the anchor net of the tail part anchor net roll is pulled by the tail part net guide assembly to release the anchor net outwards and is laid on a top plate of the roadway;
the lifting support frame of the auxiliary support assembly ascends for a third preset distance, in the ascending process of the auxiliary support assembly, the tension degree of a top circulating anchor net ring is adjusted by the anchor net tensioning adjusting assembly, and meanwhile, the tail guide net driving piece drives the tail guide net assembly to descend so that the tail guide net assembly keeps supporting the top plate of an anchor net supporting roadway wound by the tail anchor net, and therefore single forward movement laying of the anchor net by the anchor net advanced supporting equipment is completed, and the next supporting stage is reached; and the process is circulated.
Optionally, when the top circulating anchor net laying mechanism comprises a top guide net driving part and a top guide net assembly, in a supporting stage, top beams of the four supporting parts and the top guide net assembly support a top plate of an anchor net supporting roadway with a top circulating anchor net ring positioned at the top together;
in the laying stage, in the process that the lifting support frame of the auxiliary support assembly descends by a third preset distance, the top guide net driving piece drives the top guide net assembly to ascend so as to enable the top guide net assembly to keep supporting the top of the anchor net supporting roadway surrounded by the top circulating anchor net; in the process that the auxiliary supporting component moves forwards, the top net guide component moves forwards synchronously;
in the process that the auxiliary supporting assembly rises, the top guide net driving piece drives the top guide net assembly to descend, so that the top guide net assembly keeps supporting the top plate of the anchor net supporting roadway which is surrounded by the top circulating anchor net.
The anchor net laying device provided by the invention can circularly lay the top circular anchor net ring on the top area of the fore support through the top circular anchor net laying mechanism, and continuously lay the tail anchor net roll on the tail area of the fore support through the tail anchor net laying mechanism, so that the anchor net roll is not required to be conveyed in the using process, the framework of the anchor net laying device is greatly simplified and the volume of the anchor net laying device is reduced on the basis of ensuring higher supporting stability, the occupation requirement of the anchor net laying device on the roadway space in the using process is correspondingly reduced, and the use convenience of the anchor net laying device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a first perspective of the anchor net advance support device provided by the invention when used in cooperation with an anchor bar trolley;
fig. 2 is a schematic view of a second perspective view of the anchor net advance support device provided by the invention when used in cooperation with an anchor rod trolley;
FIG. 3 is a schematic view of anchor net forepoling equipment provided by the present invention;
fig. 4 is a schematic view of a first perspective of the anchor net laying apparatus provided by the present invention;
fig. 5 is a schematic view of a second perspective of the anchor net laying apparatus provided by the present invention;
FIG. 6 is a schematic view of a fore support in the anchor net laying apparatus provided in the present invention;
fig. 7 is a schematic view of a first perspective view of an anchor net tensioning adjustment assembly attached to a mounting base in the anchor net laying apparatus provided by the present invention;
FIG. 8 is a schematic view of a second perspective of the anchor net tensioning adjustment assembly attached to the mounting block in the anchor net deployment apparatus provided by the present invention;
fig. 9 is a schematic view of the anchor net advanced supporting apparatus provided by the present invention, in which the top circulating anchor net encircles the head-end circulating guide net roller, the anchor net tensioning adjustment assembly and the top guide net roller;
fig. 10 is a schematic view of a tail anchor net laying mechanism in the anchor net laying device provided by the present invention, and a top guide net driving member and a top guide net assembly are connected to an anchor net accommodating cylinder of the tail anchor net laying mechanism;
fig. 11 is another perspective view of the connection of the tail anchor net laying mechanism, the top guide net driving member and the top guide net assembly of fig. 10.
Description of reference numerals:
10-anchor net laying device; 20-tail anchor net roll; 30-top circulating anchor net ring; 40-anchor bar trolley; 100-top circulating anchor net laying mechanism; 110-anchor net tension adjustment assembly; 111-tension adjustment drive; 1111-a drive motor; 1112-a rack; 112-tensioning adjusting roller; 113-a folding seat; 1131 — a through channel; 1132 — a spacer; 120-top guide net drive; 130-top screen guide assembly; 131-top guide net expansion bracket; 132-top wire guide roll; 200-tail anchor net laying mechanism; 210-a load bearing seat; 220-an anchor net accommodating cylinder; 221-a first cartridge; 222-a second cartridge portion; 223-accommodating the web guide roller; 230-tail guide net driving part; 240-tail guide net assembly; 241-tail part guide net expansion bracket; 242-tail wire guide roll; 300-a support member; 310-lifting support frame; 311-a fixed frame body; 312-a lifter body; 313-a mount; 320-top beam; 330-head end circulation guide wire roller; 400-a main support assembly; 500-an auxiliary support assembly; 600-forward drive.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment provides an anchor net laying device 10, which is applied to advance support of a roadway, and as shown in fig. 4-6, the anchor net laying device comprises an advance support, a top circulating anchor net laying mechanism 100 and a tail anchor net laying mechanism 200, wherein the advance support comprises four supporting parts 300 arranged at intervals in the width direction of the roadway, two supporting parts 300 positioned in the middle part form a main supporting component 400, two supporting parts 300 positioned on two sides form an auxiliary supporting component 500, and a forward driving part 600 for driving one of the supporting parts 400 and the auxiliary supporting component 500 to move in the length direction of the roadway is connected between the main supporting component 400 and the auxiliary supporting component 500; the support member 300 comprises an elevating support frame 310 and a top beam 320, the elevating support frame 310 comprises a fixing frame body 311 and an elevating frame body 312 connected to the bottom of the fixing frame body 311, and the top beam 320 is arranged at the top end of the fixing frame body 311; as shown in fig. 7, the top circulation anchor net laying mechanism 100 includes an anchor net tensioning adjustment assembly 110 provided inside the fixing frame body 311 of the main support assembly 400; as shown in fig. 10 and 11, the tail anchor net laying mechanism 200 includes a bearing seat 210 disposed at the tail end of the fixing frame 311 of the auxiliary support assembly 500, the bearing seat 210 is provided with an anchor net accommodating cylinder 220 and a tail guide net driving member 230, a driving end of the tail guide net driving member 230 is connected to a tail guide net assembly 240 supported upward, and the tail guide net driving member 230 is used for driving the tail guide net assembly 240 to ascend and descend.
The anchor net laying device 10 comprises a forepoling serving as a walking support base frame, wherein a top circulating anchor net laying mechanism 100 for circularly laying and supporting a top circulating anchor net ring 30 in the top area of the forepoling is installed on the forepoling, and an anchor net tensioning adjusting component 110 of the top circulating anchor net laying mechanism can tension and adjust the tension degree of the top circulating anchor net ring 30; the tail part of the fore support is provided with a tail anchor net laying mechanism 200 for continuously laying the tail anchor net roll 20 along the length direction of the roadway, an anchor net accommodating barrel 220 is used for accommodating and mounting the tail anchor net roll 20, a tail guide net component 240 is used for supporting and guiding the anchor net released by the tail anchor net roll 20, and a tail guide net driving component 230 is used for driving the tail guide net component 240 to move up and down.
Specifically, when the top circulating anchor net loop 30 and the tail anchor net roll 20 are installed in the anchor net laying device 10, as shown in fig. 3, the three components together form an anchor net advance support device, wherein the top circulating anchor net loop 30 is sleeved on the top beam 320 of the advance support in the anchor net laying device 10 and the top circulating anchor net laying mechanism 100; the tail anchor net roll 20 is accommodated in the anchor net accommodating barrel 220 of the anchor net laying device 10, and the anchor net of the tail anchor net roll 20 extends out of the anchor net accommodating barrel 220 and then bypasses the tail guide net assembly 240 of the anchor net laying device 10 from bottom to top.
Optionally, the anchor net advance support device may perform laying support of the anchor net through an anchor net laying method, where the anchor net laying process includes a support stage and a laying stage, in the support stage, the support members 300 of the advance support are raised to a certain height, the anchor net tensioning adjustment assembly 110 of the anchor net laying device 10 adjusts and tensions the top circulating anchor net ring 30, and the top beams 320 of the four support members 300 support the top plate of the anchor net supporting roadway where the top circulating anchor net ring 30 is located in the top area of the top beam 320; the tail guide wire drive 230 drives the tail guide wire assembly 240 to support the roof of the bolting roadway around which the tail bolting spool 20 passes. Then when strutting the stage, this anchor net advance support equipment includes two support regions to the tunnel roof: the top area of the forepoling and the tail area of the forepoling, wherein the top circulating anchor net ring 30 can circularly support the top area of the forepoling, and the top circulating anchor net ring 30 synchronously moves forwards along with the advancing of the forepoling so as to keep the temporary support effect on the top area of the forepoling; the anchor net that afterbody anchor net book 20 released to the afterbody can be strutted along with the afterbody region of leading support, and afterbody anchor net book 20 can constantly release the anchor net to the afterbody along with the in-process that the leading support moves ahead in step for the anchor net lays on the tunnel roof in leading support afterbody region continuously, plays permanent support effect to the tunnel roof that is located leading support afterbody region.
Specifically, as shown in fig. 1 and fig. 2, the anchor net laying device 10 may be used in cooperation with an anchor bar trolley 40, and the anchor bar trolley 40 together form an anchor net laying apparatus, wherein the anchor bar trolley 40 is used for anchoring the anchor net laid on the roadway roof by an anchor net laying mechanism 200 at the tail of the anchor net laying device 10 to the roof.
When the corresponding operation of the coal mining machine or the excavator and the like on the tail area of the fore support is completed, the fore support needs to carry the top circulating anchor net ring 30 and the tail anchor net roll 20 to move forwards, the anchor net advance support equipment correspondingly enters a laying stage, in the laying stage, the lifting support frame 310 of the main support assembly 400 descends for a first preset distance, the auxiliary support assembly 500 still keeps supporting between the bottom plate and the top plate of the roadway, the forward driving piece 600 drives the main support assembly 400 to move forwards for a second preset distance, and in the process of descending and forward movement of the main support assembly 400, the anchor net tensioning adjusting assembly 110 adjusts the tensioning degree of the top circulating anchor net ring 30. Here, during the forward stepping process of the main support assembly 400, since the top beams 320 and 320 of the main support assembly 400 and the anchor net tensioning adjustment assembly 110 of the auxiliary support assembly 500 and the top endless anchor net laying mechanism 100 jointly tension the top endless anchor net loop 30, the supporting circumference formed by the top beams 320 and 320 of the main support assembly 400 and the auxiliary support assembly 500 and the anchor net tensioning adjustment assembly 110 together changes during the descending and forward movement of the top beams 320 by the main support assembly 400, and during the process, the anchor net tensioning adjustment assembly 110 can adaptively adjust the total circumference of the top endless anchor net loop 30 according to the movement of the main support assembly 400, so that the top endless anchor net loop 30 is maintained in a suitable tensioning state.
Subsequently, the lifting support frame 310 of the main support assembly 400 is raised by a first preset distance, so that the top beam 320 of the main support assembly 400 is restored to the initial support height, and the top beam 320 again supports the anchor net of the top circulating anchor net roll located at the top area thereof at the roadway roof; during the ascending process of the main support assembly 400, the supporting perimeter formed by the top beam 320 of the main support assembly 400, the top beam 320 of the auxiliary support assembly 500 and the anchor net tensioning adjustment assembly 110 is changed, and the anchor net tensioning adjustment assembly 110 adjusts the tensioning degree of the top circulating anchor net loop 30 correspondingly, so that the top circulating anchor net loop 30 is maintained in a proper tensioning state; thereby completing the forward step of main support assembly 400.
The main supporting component 400 is supported between the bottom plate and the top plate of the roadway after the forward stepping is finished, the lifting supporting frame 310 of the auxiliary supporting component 500 descends for a third preset distance, and the forward driving component 600 drives the auxiliary supporting component 500 to move forwards for a second preset distance; similarly, during the process that the auxiliary supporting assembly 500 drives the top beam 320 to descend and move forward, the supporting perimeter formed by the top beam 320 of the auxiliary supporting assembly 500, the top beam 320 of the main supporting assembly 400 and the anchor net tensioning adjusting assembly 110 is changed, and during the process that the auxiliary supporting assembly 500 descends and moves forward, the anchor net tensioning adjusting assembly 110 adaptively adjusts the tensioning degree of the top circulating anchor net loop 30, so that the top circulating anchor net loop 30 is maintained in a proper tensioning state. Meanwhile, as the auxiliary support assembly 500 can drive the tail anchor net laying mechanism 200 to synchronously descend in the descending process, in the descending process of the auxiliary support assembly 500, the tail guide net driving piece 230 drives the tail guide net assembly 240 to ascend so as to keep the tail guide net assembly 240 at the initial supporting height, and the anchor net which is correspondingly wound by the tail anchor net roll 20 keeps the top plate of the supporting roadway so as to ensure the supporting stability and safety of the anchor net to the tail area; in the process that the auxiliary supporting component 500 moves forwards, the tail part net guiding component 240 moves forwards synchronously, and because the anchor net laid on the top of the roadway by the tail part net anchor roll 20 is already anchored on the top plate of the roadway by the anchor rod trolley 40, the anchor net of the tail part net anchor roll 20 is pulled by the tail part net guiding component 240 to release the anchor net outwards and is laid on the top plate of the roadway, the anchor net released backwards by the tail part net anchor roll 20 lays the second preset distance area where the anchor net laying device 10 moves forwards, and the anchor rod trolley 40 anchors the newly laid anchor net therewith.
Subsequently, the lifting support frame 310 of the auxiliary support assembly 500 is lifted a third preset distance, so that the top beam 320 of the auxiliary support assembly 500 returns to the initial supporting height, the top beam 320 of the auxiliary support assembly 500 supports the anchor net of the top area of the top circulating anchor net roll again, and the auxiliary support assembly 500 completes the forward stepping; during the ascending of the auxiliary supporting assembly 500, the tightness of the top endless anchor loop 30 is adjusted by the anchor net tension adjusting assembly 110, and the top endless anchor loop 30 rolls forward along with the anchor net laying device 10 when it completes a single forward step. While the auxiliary supporting assembly 500 is lifted, the tail guide net driving member 230 drives the tail guide net assembly 240 to descend, so that the tail guide net assembly 240 keeps supporting the anchor net wound by the tail anchor net roll 20 to support the top plate of the roadway, and therefore the single forward movement laying of the anchor net by the anchor net advance supporting equipment is completed, and the next supporting stage is reached. Then, the anchor bar trolley 40 anchors the anchor net newly laid in the tail area of the fore support to the roadway roof through the anchor bar so as to ensure the supporting function of the anchor net; and the coal mining machine or the excavator and the like can carry out mining or excavating operation on the roadway space corresponding to the second preset distance of the advancing of the tail area of the advance support. And circulating in this way, the tail anchor net roll 20 is continuously paved on the tail area, and the top circulating anchor net ring 30 is kept supporting the top area in the paving process.
Compared with the prior art, the anchor net roll needs to be conveyed from the tail end of the fore support to the head end of the fore support, so that the top area and the tail area of the fore support are paved and supported through the anchor net released from the front to the back by the anchor net roll; the utility model provides an anchor net laying device 10 can carry out the circulation of top circulation anchor net ring 30 through top circulation anchor net laying mechanism 100 to the top region of fore-stock and lay, carry out the continuous laying of afterbody anchor net book 20 to the afterbody region of fore-stock through afterbody anchor net laying mechanism 200, in the use, need not to carry out the conveying to the anchor net book, on the basis of guaranteeing higher support stability, simplify anchor net laying device 10's framework greatly and reduce anchor net laying device 10's volume, correspondingly reduce the requirement that anchor net laying device 10 use is to the occupation of tunnel space, improve the convenient degree of use of anchor net laying device 10.
Optionally, in this embodiment, as shown in fig. 10 and 11, the top circulating anchor net laying mechanism 100 further includes a top guide net driving member 120 disposed at the tail end of the fixing frame 311 of the auxiliary supporting assembly 500, a driving end of the top guide net driving member 120 is connected to the top guide net assembly 130 supported upward, and the top guide net driving member 120 is configured to drive the top guide net assembly 130 to ascend and descend. In the anchor net laying method, in the supporting stage, the anchor net with the top circulating anchor net ring 30 located at the tail of the forward bracket needs to bypass the top guide net assembly 130, the top guide net driving member 120 drives the top guide net assembly 130 to rise to the height of the abutting anchor net, and the top beams 320 and the top guide net assembly 130 of the four supporting members 300 support the top plate of the anchor net supporting roadway with the top circulating anchor net ring 30 located at the top together. During the laying stage, in the process that the lifting support frame 310 of the auxiliary support assembly 500 descends by a third preset distance, the top guide net driving part 120 drives the top guide net assembly 130 to ascend, so that the top guide net assembly 130 keeps supporting the top plate of the anchor net supporting roadway surrounded by the top circulating anchor net ring 30; during the forward movement of the auxiliary support assembly 500, the top wire guide assembly 130 is simultaneously advanced. Accordingly, during the ascent of the auxiliary support assembly 500, the top guide wire drive 120 drives the top guide wire assembly 130 to descend so that the top guide wire assembly 130 keeps supporting the roof of the anchor net supporting roadway around which the top recirculating anchor net loop 30 passes.
The top guide net driving part 120 and the top guide net assembly 130 are arranged, wherein the top guide net assembly 130 can keep supporting the anchor net in the tail area of the top circulating anchor net ring 30 in the supporting stage and the laying stage, and accordingly the supporting stability of the top circulating anchor net ring 30 on the top area of the forward support is ensured; and the top guide net assembly 130 is arranged between the top beam 320 and the tail guide net assembly 240, the top guide net assembly 130 is consistent with the tail end supporting position of the top circulating anchor net ring 30, and the tail guide net assembly 240 is consistent with the head end supporting position of the effective anchor net released by the tail anchor net roll 20, so that the top guide net assembly 130 can effectively reduce the gap between the top supporting area of the top circulating anchor net ring 30 and the tail supporting area of the tail anchor net roll 20, thereby improving the supporting comprehensiveness of the anchor net advance supporting equipment to the roadway.
Alternatively, in this embodiment, the head end circular guide rolls 330 may be pivoted at the head ends of the top beams 320 of the four support members 300, and the axial direction of the head end circular guide rolls 330 is the same as the width direction of the roadway. The anchor net of the top circulating anchor net ring 30 can be bypassed by the head end circulating guide net roller 330 of the head end after passing through the top beam 320 from the top, the head end circulating guide net roller 330 plays a supporting and guiding role in the anchor net at the head end of the top circulating anchor net ring 30, rolling friction is formed between the anchor net and the head end circulating guide net roller 330 during transmission, so that the relative movement resistance between the advance support forward movement or lifting process and the anchor net is reduced, the hanging damage of the top beam 320 to the anchor net is reduced, and smooth transmission of the anchor net is ensured.
Optionally, in this embodiment, the tail net guiding assembly 240 may include a tail net guiding expansion bracket 241 connected to the carrying seat 210 at the bottom end and a tail net guiding roller 242 connected to the top end of the tail net guiding expansion bracket 241, the tail net guiding roller 242 extends along the width direction of the roadway, and the driving end of the tail net guiding driving member 230 is connected to the tail net guiding roller 242. Here, in a specific form of the tail net guiding assembly 240, when the anchor net is laid, the anchor net of the tail net reel 20 extends out through the anchor net accommodating cylinder 220 and then bypasses the tail net guiding roller 242 from bottom to top, the tail net guiding driving member 230 drives the tail net guiding roller 242 to ascend and descend so as to control the supporting height and the abutting state of the tail net guiding roller 242 on the bypassed anchor net, wherein the tail net guiding expansion bracket 241 can synchronously expand and contract along with the ascending and descending of the tail net guiding roller 242 so as to limit the ascending and descending stroke of the tail net guiding roller 242, thereby improving the accuracy of the ascending and descending position of the tail net guiding roller 242. Of course, in other embodiments, the tail wire guide roller 242 may be directly fixed to the driving end of the tail wire guide driving member 230, and the tail wire guide driving member 230 directly drives the tail wire guide roller 242 to move up and down; specifically, the tail net driving member 230 may be an oil cylinder, an air cylinder, or the like.
Similarly, the top net guiding assembly 130 may include a top net guiding expansion bracket 131 and a top net guiding roller 132 connected to the top end of the top net guiding expansion bracket 131, the top net guiding roller 132 extends along the width direction of the roadway, the bottom end of the top net guiding expansion bracket 131 is connected to the bearing seat 210 or the anchor net accommodating barrel 220, and the driving end of the top net guiding driving member 120 is connected to the top net guiding roller 132. Here, in a specific form of the top net guiding assembly 130, when the anchor net is laid, the top net guiding driving member 120 drives the top net guiding roller 132 to ascend and descend so as to control the supporting height of the bypassed anchor net by the top net guiding roller 132 and the bottom-top state, wherein the top net guiding expansion bracket 131 can perform synchronous expansion and contraction movement along with the ascending and descending of the top net guiding roller 132 so as to limit the ascending and descending stroke of the top net guiding roller 132, thereby improving the accuracy of the ascending and descending position of the top net guiding roller 132. Of course, in other embodiments, the top wire guiding roller 132 may also be directly fixed to the driving end of the top wire guiding driving member 120, and the top wire guiding driving member 120 directly drives the top wire guiding roller 132 to move up and down; specifically, the top net driving member 120 may be an oil cylinder, an air cylinder, or the like.
Specifically, in the present embodiment, the lengths of the tail wire guide roller 242 and the top wire guide roller 132 correspond to the arrangement width of the four top beams 320 in the forepoling, or both ends of the tail wire guide roller 242 and the top wire guide roller 132 extend out of the corresponding sides of the four top beams 320 in the forepoling. The top net guide roller 132 and the tail net guide roller 242 both extend along the width direction of the roadway, the top circulating anchor net ring 30 and the anchor net of the tail anchor net roll 20 respectively bypass the top circulating anchor net ring and the anchor net, and when the device is used, the widths of the top net guide roller 132 and the tail net guide roller 242 can be set according to the width of the anchor net, so that the two net guide rollers can be equal to or longer than the width of the corresponding anchor net, the whole guide surface and stability of the anchor net by the net guide rollers are ensured, and the occurrence of anchor net deviation in the net guide process is reduced; moreover, after the top net guide rollers 132 are arranged, the arrangement width of the top beams 320 does not affect the support width of the anchor nets in the tail area of the top circulating anchor net ring 30, so that the requirement on the arrangement width of the top beams 320 of the fore supports is reduced, and the interference of the too large width of the fore supports on the roadway is correspondingly reduced.
Alternatively, in this embodiment, the anchor net tensioning and adjusting assembly 110 may include a tensioning and adjusting driving member 111 installed inside the fixing frame body 311 of the main supporting assembly 400 and a tensioning and adjusting roller 112 connected to the driving end of the tensioning and adjusting driving member 111, wherein the axial direction of the tensioning and adjusting roller 112 is consistent with the width direction of the roadway, and the tensioning and adjusting driving member 111 is used for driving the tensioning and adjusting roller 112 to translate. When the tension adjusting device is used, the anchor net of the top circulating anchor net ring 30 bypasses the tension adjusting roller 112, and the tension adjusting driving member 111 changes the supporting perimeter of the tension adjusting roller 112, the top beam 320 and the top net guiding roller 132 together for the top circulating anchor net ring 30 by driving the translation position of the tension adjusting roller 112, so that the tension of the top circulating anchor net ring 30 is adjusted.
Specifically, in this embodiment, as shown in fig. 7 and 8, the anchor net tensioning adjustment assembly 110 may further include a folding seat 113, a through channel 1131 with an extension direction consistent with a length direction of the roadway is disposed in the folding seat 113, a plurality of partition boards 1132 are disposed in the through channel 1131, one side of each partition board 1132 is fixedly connected to an inner side wall of a corresponding side of the through channel 1131 along a width direction of the roadway, and a gap is left between the other side of each partition board 1132 and the inner side wall of the corresponding side of the through channel 1131; the plurality of partition plates 1132 are arranged at intervals in the up-down direction and are sequentially and alternately fixedly connected with the inner side walls of the two sides of the through channel 1131; the tension adjusting roller 112 is pivoted to the folding seat 113 to form a tension folding structure, and the tension adjusting driving member 111 is connected with the tension folding structure. The width of the folding seat 113 is smaller than the gap between the two support members 300 of the main support assembly 400, the anchor net passing over the foreframe top beam 320 and the top net guide assembly 130 can pass through the through channel 1131 of the folding seat 113, and the anchor net is folded under the blocking guiding action of the plurality of baffles 1132, specifically, in the same through channel 1131, the baffles 1132 arranged from top to bottom divide the through channel 1131 into a plurality of grid containing layers, the anchor net sequentially extends along the grid containing layers from top to bottom along the width direction of the anchor net and enters the next grid containing layer after being bent at the end part of the corresponding baffle 1132, thereby realizing the neat folding of the anchor net by the folding seat 113, folding the width of the anchor net to be the same as the width of the through channel 1131, thereby ensuring the obstruction and even the hanging of the anchor net when the anchor net passes between the two supporting members 300 of the main supporting assembly 400, and correspondingly ensuring the smoothness of the forward movement and the rotation of the anchor net. The folded anchor net passes through the through channel 1131 and then is spread again under the guiding and unfolding action of the tensioning and adjusting roller 112 so as to play a comprehensive and effective supporting role on the roadway roof.
Specifically, in this embodiment, as shown in fig. 4, a mounting seat 313 is disposed at a joint of the fixing frame body 311 and the lifting frame body 312 of the main support assembly 400, and the mounting seat 313 extends along the length direction of the roadway; as shown in fig. 7 and 8, there are three tensioning folding structures, the three tensioning folding structures are arranged in a triangle, and the tensioning adjusting rollers 112 of the three tensioning folding structures are all positioned at the front end of the winding net of the corresponding folding seat 113; one of the three tensioning folding structures is connected with the mounting seat 313 in a sliding manner, and the tensioning adjusting driving member 111 is connected with the tensioning folding structure and used for driving the tensioning folding structure to slide along the length direction of the mounting seat 313; the other two tensioning folding structures are fixedly connected to the inner side of the mounting seat 313. In this embodiment, as shown in fig. 9, the anchor net of the top loop anchor net 30 passes through the three folding bases 113 after passing around the top beam 320 and the top net guide roller 132, and passes through the corresponding tension net guide roller after passing through the folding base 113, and the three folding bases 113 can fold the passed anchor net three times, so as to improve the folding effectiveness and stability of the anchor net passing between the two support members 300 of the main support assembly 400, and accordingly, to further reduce the interference and hanging between the anchor net and the main support assembly 400. When the tension degree of the anchor net needs to be adjusted, the tension adjusting driving piece 111 can drive the folding seat 113 connected with the tension adjusting driving piece to move along the extending direction of the mounting seat 313, so that the anchor net is tensioned or loosened, and the tension adjustment of the anchor net is realized. The tensioning adjusting rollers 112 are pivoted on the corresponding folding seats 113, and can rotate along with the movement of the anchor net on the basis of tensioning and guiding the anchor net, so that the relative friction between the anchor net and the tensioning adjusting rollers 112 is reduced, the transmission smoothness of the anchor net is improved, and the driving load of the tensioning adjusting driving piece 111 is reduced.
Specifically, a rack 1112 can be mounted on the mounting seat 313, the tension adjusting driving member 111 can be a driving motor 1111, a housing of the driving motor 1111 is connected with the folding seat 113, a gear is mounted at a driving end of the driving motor 1111, the gear is engaged with the rack 1112, and the driving motor 1111 drives the gear to rotate so as to drive the folding seat 113 to move along the length direction of the rack 1112. Of course, in some embodiments, the tension adjusting driving member 111 may also use a chain transmission mechanism, a belt transmission mechanism, etc. to control the driving and driving stroke of the folding seat 113.
Alternatively, in this embodiment, as shown in fig. 10 and 11, the anchor net accommodating barrel 220 includes a first barrel 221 and a second barrel 222, the first barrel 221 is fixedly arranged on the bearing seat 210, the second barrel 222 is hinged to the first barrel 221 or the bearing seat 210, and an opening formed when the second barrel is rotated and opened is used for installing the tail anchor net roll 20. Specifically, the tail net-guiding expansion bracket 241 can be detachably fixed to the bearing seat 210 and located at the rear side of the second cylinder 222, and when in use, the tail net-guiding expansion bracket 241 can be detached, the second cylinder 222 is opened, the tail anchor net roll 20 is placed in the anchor net-accommodating cylinder 220, the second cylinder 222 is closed, and then the tail net-guiding expansion bracket 241 is installed on the bearing seat 210.
Preferably, in this embodiment, the wall of the anchor net accommodating cylinder 220 is provided with an accommodating net guide roller 223, and the length direction of the accommodating net guide roller 223 is consistent with the width direction of the roadway. When the tail anchor net roll 20 rotates to release the anchor net under the pulling effect, rolling friction can be generated between the tail anchor net roll 20 and the containing net guide roller 223, so that the rotating friction resistance of the tail anchor net roll 20 is reduced, and the smoothness of releasing the anchor net is improved.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The anchor net laying device is applied to advance support of a roadway and is characterized by comprising a forepoling, a top circulating anchor net laying mechanism (100) and a tail anchor net laying mechanism (200), wherein the forepoling comprises four supporting parts (300) which are arranged at intervals along the width direction of the roadway, two supporting parts (300) positioned in the middle form a main supporting component (400), two supporting parts (300) positioned on two sides form an auxiliary supporting component (500), and a forward driving piece (600) for driving one of the supporting parts to move along the length direction of the roadway is connected between the main supporting component (400) and the auxiliary supporting component (500); the supporting component (300) comprises a lifting support frame (310) and a top beam (320), the lifting support frame (310) comprises a fixing frame body (311) and a lifting frame body (312) connected to the bottom of the fixing frame body (311), and the top beam (320) is arranged at the top end of the fixing frame body (311);
the top circulating anchor net laying mechanism (100) comprises an anchor net tensioning and adjusting assembly (110) arranged on the inner side of a fixing frame body (311) of the main supporting assembly (400); tail anchor net laying mechanism (200) is including locating bear seat (210) of fixed support body (311) tail end of auxiliary stay subassembly (500), bear seat (210) and install anchor net holding cylinder (220) and afterbody and lead net driving piece (230), the drive end that the net driving piece (230) was led to the afterbody is connected with the afterbody that upwards supports and leads net subassembly (240), afterbody is led net driving piece (230) and is used for the drive afterbody leads net subassembly (240) and goes up and down.
2. The anchor net laying device according to claim 1, wherein the top circulating anchor net laying mechanism (100) further comprises a top guide net driving member (120) arranged at the tail end of the fixing frame body (311) of the auxiliary support assembly (500), the driving end of the top guide net driving member (120) is connected with a top guide net assembly (130) which is supported upwards, and the top guide net driving member (120) is used for driving the top guide net assembly (130) to lift.
3. An anchor net laying device according to claim 2, wherein the tail net guiding assembly (240) comprises a tail net guiding expansion bracket (241) connected with the carrying seat (210) at the bottom end and a tail net guiding roller (242) connected with the top end of the tail net guiding expansion bracket (241), the tail net guiding roller (242) extends along the width direction of the roadway, and the driving end of the tail net guiding driving part (230) is connected with the tail net guiding roller (242);
and/or, the top net guiding assembly (130) comprises a top net guiding expansion bracket (131) and a top net guiding roller (132) connected to the top end of the top net guiding expansion bracket (131), the top net guiding roller (132) extends along the width direction of the roadway, the bottom end of the top net guiding expansion bracket (131) is connected to the bearing seat (210) or the anchor net containing cylinder (220), and the driving end of the top net guiding driving part (120) is connected to the top net guiding roller (132).
4. An anchor net laying device according to any one of claims 1-3, wherein the anchor net tensioning adjustment assembly (110) comprises a tensioning adjustment drive (111) mounted inside a fixing frame (311) of the main support assembly (400) and a tensioning adjustment roller (112) connected to the drive end of the tensioning adjustment drive (111), the axial direction of the tensioning adjustment roller (112) is in line with the width direction of the roadway, and the tensioning adjustment drive (111) is used for driving the tensioning adjustment roller (112) to translate.
5. An anchor net laying device according to claim 4, wherein the anchor net tensioning adjusting assembly (110) further comprises a folding seat (113), a through channel (1131) with an extending direction consistent with the length direction of the roadway is arranged in the folding seat (113), a plurality of partition boards (1132) are arranged in the through channel (1131), one side of each partition board (1132) is fixedly connected with the inner side wall of the corresponding side of the through channel (1131) along the width direction of the roadway, and a gap is reserved between the other side of each partition board (1132) and the inner side wall of the corresponding side of the through channel (1131); the baffles (1132) are arranged at intervals in the vertical direction and are sequentially and alternately fixedly connected with the inner side walls of the two sides of the through channel (1131); the tensioning adjusting roller (112) and the folding seat (113) are pivoted to form a tensioning folding structure, and the tensioning adjusting driving piece (111) is connected with the tensioning folding structure.
6. An anchor net laying device according to claim 5, wherein a mounting seat (313) is arranged at the joint of the fixing frame body (311) and the lifting frame body (312) of the main supporting assembly (400), and the mounting seat (313) extends along the length direction of the roadway; the number of the tensioning folding structures is three, the three tensioning folding structures are arranged in a triangular mode, and tensioning adjusting rollers (112) of the three tensioning folding structures are located at the front end of a corresponding folding seat (113) in a net winding mode;
one of the three tensioning folding structures is connected with the mounting seat (313) in a sliding mode, and the tensioning adjusting driving piece (111) is used for driving the tensioning folding structure to slide along the length direction of the mounting seat (313); and the other two tensioning folding structures are fixedly connected to the inner side of the mounting seat (313).
7. An anchor net laying device according to any one of claims 1-3, wherein the head ends of the top beams (320) of the four supporting members (300) are pivoted with head-end circulating guide net rolls (330), and the axial direction of the head-end circulating guide net rolls (330) is consistent with the width direction of the roadway.
8. An anchor net advance support device, characterized by comprising a top circulating anchor net ring (30), a tail anchor net roll (20) and the anchor net laying device (10) of any one of claims 1 to 7, wherein the top circulating anchor net ring (30) is sleeved on a top beam (320) of a forepoling in the anchor net laying device (10) and the top circulating anchor net laying mechanism (100); the tail anchor net roll (20) is accommodated in an anchor net accommodating barrel (220) of the anchor net laying device (10), and an anchor net of the tail anchor net roll (20) extends out of the anchor net accommodating barrel (220) and then bypasses a tail guide net component (240) of the anchor net laying device (10) from bottom to top.
9. An anchor net laying method, characterized in that the anchor net advance support equipment according to claim 8 is used, and the laying process comprises a support stage and a laying stage, wherein,
in the supporting stage, an anchor net tensioning adjusting assembly (110) of the anchor net laying device (10) adjusts and tensions the top circulating anchor net ring (30), and top beams (320) of four supporting components (300) support the top plate of an anchor net supporting roadway, wherein the top circulating anchor net ring (30) is located in the top area of the top beams (320); the tail guide net driving piece (230) drives the tail guide net assembly (240) to support a top plate of an anchor net supporting roadway which is wound by the tail anchor net roll (20);
during the laying stage, the lifting support frame (310) of the main support assembly (400) descends for a first preset distance, the forward driving piece (600) drives the main support assembly (400) to move forward for a second preset distance, and the tension degree of the top circulating anchor net ring (30) is adjusted by the anchor net tension adjusting assembly (110) in the process that the main support assembly (400) descends and moves forward;
the lifting support frame (310) of the main support assembly (400) rises for a first preset distance, and in the process that the main support assembly (400) rises, the tension of the top circulating anchor net ring (30) is adjusted by the anchor net tension adjusting assembly (110);
the lifting support frame (310) of the auxiliary support assembly (500) descends for a third preset distance, the forward driving piece (600) drives the auxiliary support assembly (500) to move forwards for a second preset distance, and in the process that the auxiliary support assembly (500) descends and moves forwards, the tension degree of the top circulating anchor net ring (30) is adjusted by the anchor net tension adjusting assembly (110); meanwhile, in the descending process of the auxiliary supporting assembly (500), the tail guide net driving piece (230) drives the tail guide net assembly (240) to ascend, so that the tail guide net assembly (240) keeps supporting the anchor net wound by the tail anchor net roll (20) to support the top plate of the roadway; in the process that the auxiliary supporting assembly (500) moves forwards, the tail net guide assembly (240) moves forwards synchronously, and the anchor net of the tail anchor net roll (20) is pulled by the tail net guide assembly (240) to release the anchor net outwards and is laid on a top plate of the roadway;
the lifting support frame (310) of the auxiliary support assembly (500) rises for a third preset distance, in the process that the auxiliary support assembly (500) rises, the tension degree of the top circulating anchor net ring (30) is adjusted by the anchor net tension adjusting assembly (110), and meanwhile, the tail guide net driving piece (230) drives the tail guide net assembly (240) to descend, so that the tail guide net assembly (240) keeps supporting the top plate of an anchor net supporting roadway wound by the tail anchor net roll (20), and single forward movement laying of the anchor net by the anchor net advance supporting equipment is completed, and the next supporting stage is reached; and the process is circulated.
10. An anchor net laying method according to claim 9, wherein when the top circulation anchor net laying mechanism (100) includes a top guide net driving member (120) and a top guide net assembly (130),
in the supporting stage, top beams (320) of four supporting components (300) and a top guide net assembly (130) support the top plate of a roadway supported by the top anchor net of the top circulating anchor net ring (30);
in the laying stage, in the process that the lifting support frame (310) of the auxiliary support assembly (500) descends by a third preset distance, the top guide net driving piece (120) drives the top guide net assembly (130) to ascend, so that the top guide net assembly (130) keeps supporting the top plate of the anchor net supporting roadway which is bypassed by the top circulating anchor net ring (30); during the forward movement of the auxiliary supporting assembly (500), the top net guiding assembly (130) synchronously moves forwards;
and in the process that the auxiliary supporting assembly (500) ascends, the top guide net driving piece (120) drives the top guide net assembly (130) to descend, so that the top guide net assembly (130) keeps supporting the top plate of the anchor net supporting roadway which is bypassed by the top circulating anchor net ring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982857.8A CN113669085B (en) | 2021-08-25 | Anchor net laying device, anchor net advanced support equipment and anchor net laying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982857.8A CN113669085B (en) | 2021-08-25 | Anchor net laying device, anchor net advanced support equipment and anchor net laying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113669085A true CN113669085A (en) | 2021-11-19 |
| CN113669085B CN113669085B (en) | 2024-05-14 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320401A (en) * | 2021-11-25 | 2022-04-12 | 中国煤炭科工集团太原研究院有限公司 | Anchor vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488352A (en) * | 2018-11-12 | 2019-03-19 | 中国神华能源股份有限公司 | A kind of roofboltier and its tunnel operational method |
| CN110645034A (en) * | 2019-10-29 | 2020-01-03 | 辽宁工程技术大学 | Sliding type flexible advance support mechanism and method |
| CN110714793A (en) * | 2019-10-30 | 2020-01-21 | 辽宁工程技术大学 | Suspension anchor net for advance support and automatic steel belt laying device and method |
| US20200141238A1 (en) * | 2017-06-12 | 2020-05-07 | Sandvik Intellectual Property Ab | Roof mesh installation apparatus |
| CN111520172A (en) * | 2020-04-30 | 2020-08-11 | 中国铁建重工集团股份有限公司 | Net laying device and tunneling and anchoring integrated unit |
| CN111810150A (en) * | 2020-08-21 | 2020-10-23 | 辽宁工程技术大学 | Drilling machine posture adjusting and anchor net laying device and method for digging-supporting-anchor combined unit |
| CN112412505A (en) * | 2020-11-19 | 2021-02-26 | 河南理工大学 | Coal mine tunnel fills gob entry anchor net and struts equipment |
| CN112431619A (en) * | 2020-11-27 | 2021-03-02 | 中国铁建重工集团股份有限公司 | Anchor net laying device |
| CN112943312A (en) * | 2021-02-19 | 2021-06-11 | 中国铁建重工集团股份有限公司 | Automatic lapping device and tunneling and anchoring all-in-one machine |
| CN216077148U (en) * | 2021-08-25 | 2022-03-18 | 华能煤炭技术研究有限公司 | Anchor net laying device and anchor net laying equipment |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200141238A1 (en) * | 2017-06-12 | 2020-05-07 | Sandvik Intellectual Property Ab | Roof mesh installation apparatus |
| CN109488352A (en) * | 2018-11-12 | 2019-03-19 | 中国神华能源股份有限公司 | A kind of roofboltier and its tunnel operational method |
| CN110645034A (en) * | 2019-10-29 | 2020-01-03 | 辽宁工程技术大学 | Sliding type flexible advance support mechanism and method |
| CN110714793A (en) * | 2019-10-30 | 2020-01-21 | 辽宁工程技术大学 | Suspension anchor net for advance support and automatic steel belt laying device and method |
| CN111520172A (en) * | 2020-04-30 | 2020-08-11 | 中国铁建重工集团股份有限公司 | Net laying device and tunneling and anchoring integrated unit |
| CN111810150A (en) * | 2020-08-21 | 2020-10-23 | 辽宁工程技术大学 | Drilling machine posture adjusting and anchor net laying device and method for digging-supporting-anchor combined unit |
| CN112412505A (en) * | 2020-11-19 | 2021-02-26 | 河南理工大学 | Coal mine tunnel fills gob entry anchor net and struts equipment |
| CN112431619A (en) * | 2020-11-27 | 2021-03-02 | 中国铁建重工集团股份有限公司 | Anchor net laying device |
| CN112943312A (en) * | 2021-02-19 | 2021-06-11 | 中国铁建重工集团股份有限公司 | Automatic lapping device and tunneling and anchoring all-in-one machine |
| CN216077148U (en) * | 2021-08-25 | 2022-03-18 | 华能煤炭技术研究有限公司 | Anchor net laying device and anchor net laying equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320401A (en) * | 2021-11-25 | 2022-04-12 | 中国煤炭科工集团太原研究院有限公司 | Anchor vehicle |
| CN114320401B (en) * | 2021-11-25 | 2023-08-04 | 中国煤炭科工集团太原研究院有限公司 | Anchor protection vehicle |
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