CN109989779A - Collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions - Google Patents
Collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions Download PDFInfo
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- CN109989779A CN109989779A CN201910036080.9A CN201910036080A CN109989779A CN 109989779 A CN109989779 A CN 109989779A CN 201910036080 A CN201910036080 A CN 201910036080A CN 109989779 A CN109989779 A CN 109989779A
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- 238000000605 extraction Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 8
- 238000011161 development Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006855 networking Effects 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 13
- 238000005065 mining Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
- E21D23/063—Retractable cantilever extensions therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Earth Drilling (AREA)
- Cleaning In General (AREA)
Abstract
It is specifically a kind of to collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions the invention belongs to the technical field of underground coal mine Roof Control and maintenance.Solve existing underground coal mine gib because cannot achieve automatic lapping and dedusting, pick anchor is unable to synchronization job, cannot achieve the problems such as zero unsupported back span, including gib mechanism, it is provided in gib mechanism for the storage of anchor net, conveying, hangs the automatic net laying mechanism of falling, there is automatic adjusument top board structure in temporary support system front end, and closed air-guiding aisle is disposed with inside gib mechanism.The present invention is equipped with automatic device for layering, realizes storage, conveying and the automatic linked network of anchor net.Instead of the traditional artificial practice for sending net, networking, the labor intensity of worker is alleviated, improves the degree of automation of system, meets the development trend of coal mine equipment " mechanization is substituted, automation subtracts people ".
Description
Technical field
It is specifically a kind of to collect automatic lapping, dedusting the invention belongs to the technical field of underground coal mine Roof Control and maintenance
Device, the preceding temporary support system for visiting functions.
Background technique
Gib technology is always one of the research contents of colliery tunnel support theory and technology, at present China's coal-mine well
There are three types of the foresets that lower driving face generallys use: first is that hanging ring tube-through type forestope gib；Second is that
Vehicle-mounted temporary support device for development machine；Third is that multiple rows of hydraulic prop increases intensity I-steel capplce method of support etc..These sides
Formula alleviates driving face to a certain extent and meets head on the pressure of supporting, improves the supporting situation of working face.
But in actual use, above-mentioned temporary support device has the disadvantage that
1) lapping is laid with using artificial, and the degree of automation is low.Above-mentioned three kinds of gib needs worker when progress anchor net laying is set
Foot steps on staircase, hand rest anchor net, manual delivery and completes entire operation, cannot achieve automation lapping, and this mode worker labour is strong
Degree is big, and security risk is more, and working efficiency is low.
2) there is no dust collect plant, system function integrated level is low.
3) driving is separated with Anchor Care operation, and drivage efficiency is low.Traditional temporary support system driving, gib and Anchor Care
It cannot achieve synchronization job, affect the driving speed of working face.
It cannot achieve zero unsupported back span, bad adaptability of the system to top plate.Unsupported back span is a weight for describing roof stability
Index is wanted, and measures a major criterion of temporary support system adaptability.For the coal mine under the conditions of stabilization, moderate stable
Can have certain unsupported back span, and the requirement for the coal mine under the conditions of unstable, extremely unstable to unsupported back span is harsher, very
To being zero unsupported back span.Above-mentioned gib cannot achieve small unsupported back span, to limit the scope of application of device.
Summary of the invention
The present invention cannot be same because cannot achieve automatic lapping and dedusting, pick anchor in order to solve existing underground coal mine gib
Step operation cannot achieve the problems such as zero unsupported back span, lead to that drivage efficiency is low, face dust concentration is big, system safety coefficient is small
The problem of, a kind of temporary support system collecting automatic lapping, dust-extraction unit, preceding spy functions is provided.
The present invention takes following technical scheme: a kind of to collect automatic lapping, dust-extraction unit, the preceding gib for visiting functions
System, including gib mechanism are provided in gib mechanism for the storage of anchor net, conveying, hang the automatic lapping machine of falling
There are automatic adjusument top board structure in structure, temporary support system front end, closed air-guiding aisle are disposed with inside gib mechanism.
Further, gib mechanism includes visiting ceiling, main frame body, forked frame, support rod mechanism, screw rod tune before walking formula
Mechanism, supporting oil cylinder and preceding oil drilling cylinder are saved, spy ceiling is located at front end before walking formula, and spy ceiling passes through with main frame body before walking formula
Track realizes the connection of opposite sliding；Main frame body rear end is connect with forked frame；Screw rod regulating mechanism is arranged in forked frame rear end；Supporting
Oil cylinder upper connecting ear with step become formula before visit ceiling lower connecting ear connect；Support rod mechanism upper end with step become formula before visit ceiling lower end it is another
The connection of one engaging lug；Preceding spy cylinder tube end is connect with main frame body, preceding oil drilling the cylinder piston rod end with step become formula before visit ceiling connect.
Further, support rod mechanism includes sleeve, support rod and bolt, and support rod is arranged in sleeve, is arranged on sleeve
Several uniformly distributed limit holes, equal per adjacent limit hole pitch-row, bolt can be plugged into different limit holes.
Further, automatic net laying mechanism includes anchor net reservoir, anchor net conveying mechanism and mesh paving device, anchor net reservoir
It is fixed on forked frame, anchor net reservoir is connect by anchor net conveying mechanism with mesh paving device.
Further, anchor net conveying mechanism include drive motor, right side drive shaft, connecting shaft, left side drive shaft, sprocket wheel,
Roller chain, chain accessory, chain tensioning mechanism and driven shaft, drive motor are connect with right side drive shaft by key I；It drives on right side
Moving axis is connected by one end of key II and connecting shaft, and the other end of connecting shaft and left side drive axis connection, left side drive shaft and the right side
It is respectively arranged with sprocket wheel in the drive shaft of side, roller chain is set between the sprocket wheel at both ends；It totally 2 groups of roller chain, is symmetrically arranged in
Main frame body two sides, installation is by a chain accessory on every group of roller chain, same-phase installation, the protrusion insertion anchor on chain accessory
In the hole of net.
Further, closed air-guiding aisle includes heavy caliber air inlet, air duct bottom plate, transition frame and box air duct, greatly
The two sides of bore air inlet be can flame retardant rubber plate, air duct bottom plate by heavy caliber air inlet enter closed air-guiding aisle in, wind
Tube end plate one end is connect with transition frame by pin shaft, and the air duct bottom plate other end is flexible coupling by two guide chains with main frame, air duct
Several groups air door is set on bottom plate, and transition frame rear end connects box air duct.
Further, chain tensioning mechanism includes directive wheel mounting base, and it is prefabricated that directive wheel mounting base is mounted on main frame body
In slideway, directive wheel mounting base outboard end is fixed with driven shaft, and directive wheel mounting base inner end is equipped with screw rod, is arranged on screw rod
Have there are two nuts, one is played position-limiting action, and one has locking effect；Screw rod end is provided with bolt, main frame body bolt head
Corresponding position is provided with deep gouge, and bolt head a part is deeply buried in deep gouge.
The automatic lapping of of the invention collection, dust-extraction unit, the preceding temporary support system for visiting functions are generally integrated in pick anchor
In the machine system of all-in-one machine.The support rod lower end design of gib front end has mounting hole, can be with the machine of digging and anchoring integrated machine
The support baseboard of frame connection, supporting oil cylinder lower end and digging and anchoring integrated machine connects；The rear end of gib passes through screw rod and pick anchor one
The rack of body machine connects.When digging and anchoring integrated machine carries out slotting operation, under the action of gib oil cylinder, gib is adaptive
It answers top plate to contact with back and applies certain active force, cutting drum rise, slotting, incision drag down, and complete entire cut
After cutting process, supporting oil cylinder is retracted a distance (about 50-100mm), and preceding oil drilling cylinder stretches out, and preceding spy ceiling is released a spacing
From, this distance can be preset according to unsupported back span, and then supporting oil cylinder rises, and adaptive top plate connects top, from
And unsupported back span being reduced until being zero, the effect of back control is improved and improves.Due to effective length of screw rod
There are certain matching relationships with tunnel mining height for degree, when mining height changes, need that screw rod is adjusted.And mining height size
The installation site of support rod upper limit bolt is determined again.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention applies to digging and anchoring integrated machine, and the screw rod of gib rear end 2 connects with 2 tailstocks of digging and anchoring integrated machine respectively
It connects, the supporting oil cylinder of gib front end 2 is connect with the left and right support base of digging and anchoring integrated machine front end respectively, 2 groups of support rods point
It is not connect with the tilting of digging and anchoring integrated machine or so track frame front end.When digging and anchoring integrated machine carries out cutting operation and Anchor Care operation,
Entire support system realizes effective control to top plate, shortens unsupported back span, and improve the stability and reliability of complete machine.
2, the screw rod in the present invention can be adjusted, so that effective connection length of screw rod and the mining height of driving face
Match, to expand the use scope of system, improves the adaptability of system.
3, displacement sensor is equipped in the supporting oil cylinder and preceding oil drilling cylinder in the present invention, depth sounding degree and mining height before realizing
Linkage, when one timing of mining height, preceding depth sounding degree electronic limit.Preceding depth sounding degree can adjust close corresponding with mining height parameter by program
System, and by adjusting preceding depth sounding degree, zero unsupported back span may be implemented.System is improved to the adaptability of top plate.
4, the present invention is equipped with automatic device for layering, realizes storage, conveying and the automatic linked network of anchor net.Instead of traditional artificial
The practice for sending net, networking alleviates the labor intensity of worker, improves the degree of automation of system, and it is " mechanical to meet coal mine equipment
Change substitute, automation subtract people " development trend.
5, high-efficiency dust collecting device is integrated in temporary support system, high dust collection efficiency, cooperates other humidifiers, it can be big
The big dust concentration for reducing working face.
To sum up, collect automatic lapping, dust-extraction unit, it is preceding visit functions temporary support system can be realized the automatic of anchor net
Conveying, high degree of automation；The dust-extraction unit of load can effectively reduce the dust of working face；Top plate is visited before Slidable to be realized
Linkage, the interlocking that cut depth is closed with cutting height, make it possible zero unsupported back span；Screw rod adjustment length is determined according to mining height
Design improves the adaptability of system.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is side view (part) of the invention；
Fig. 4 is anchor net conveying mechanism cross-sectional view；
Fig. 5 is chain tensioning mechanism figure；
Fig. 6 is chain accessory schematic diagram；
Fig. 7 is support rod mechanism figure；
1- gib mechanism in figure, the automatic net laying mechanism of 2-, 3- automatic adjusument top board structure, the closed air-guiding aisle of 4-,
5- visits ceiling, 6- main frame body, 7- forked frame, 8- support rod mechanism, 9- screw rod regulating mechanism, 10- supporting oil cylinder, 11- before walking formula
Preceding oil drilling cylinder, 12- anchor net reservoir, 13- anchor net conveying mechanism, 14- mesh paving device, 15- drive motor, the right side 16- drive shaft,
17- connecting shaft, drive shaft on the left of 18-, 19- sprocket wheel, 20- roller chain, 21- chain accessory, 22- chain tensioning mechanism, 23- from
Moving axis, 24- key I, 25- key II, 26- heavy caliber air inlet, 27- air duct bottom plate, 28- transition frame, the box air duct of 29-, 30- can hinder
Fire rubber slab, 31- pin shaft, 32- guide chain, 33- air door, 34- sleeve, 35- support rod, 36- bolt, 37- limit hole, 38- guiding
Take turns mounting base, 39- nut, 40- bolt, 41- deep gouge.
Specific embodiment
In conjunction with attached drawing, specific embodiments of the present invention will be further explained, embodiment be it is of the invention for illustrating,
Rather than the present invention is imposed any restrictions.
As shown in Figure 1, 2, the present invention collects automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, by facing
When supporting mechanism 1, for anchor net storage, conveying, hang automatic net laying mechanism 2, be arranged in the adaptive of gib front end
The closed air-guiding aisle 4 for adjusting top board structure 3 and passing through for work dusty complexion stream forms.The temporary support system is generally integrated
In the machine system of digging and anchoring integrated machine, 8 lower end of the support rod mechanism design of 1 front end of gib mechanism has mounting hole, Ke Yiyu
The rack of digging and anchoring integrated machine connects, and the support baseboard of 10 lower end of supporting oil cylinder and digging and anchoring integrated machine connects；Gib mechanism 1
Rear end is connect by screw rod regulating mechanism 9 with the rack of digging and anchoring integrated machine.
The gib mechanism 1, which is mainly become by step, visits ceiling 5, main frame body 6, forked frame 7, support rod mechanism 8, spiral shell before formula
Bar regulating mechanism 9, supporting oil cylinder 10, preceding oil drilling cylinder 11 composition.Spy ceiling 5 is located at temporary support system front end before walking formula,
It is connect with main frame body 6 by track, opposite slide may be implemented；6 rear end of main frame body is that pin shaft is connect with forked frame 7；Forked frame 7
Rear end is screw rod regulating mechanism 9, and the matching with digging and anchoring integrated machine mining height can be realized by adjusting screw rod useful thread；Branch
Shield 10 upper connecting ear of oil cylinder with step become formula before spy 5 lower connecting ear of ceiling connect；8 upper end of support rod mechanism and step become formula before visit ceiling 5
Another engaging lug connection in lower end；Preceding 11 cylinder barrel end of oil drilling cylinder is connect with main frame body 6, tailpiece of the piston rod and step become formula before visit ceiling 5 connect
It connects, under the action of preceding oil drilling cylinder 5, preceding spy ceiling 5 realizes relative displacement.
As shown in Fig. 2,4,6, the automatic net laying mechanism 2 is filled by anchor net reservoir 12, anchor net conveying mechanism 13, linked network
Set 14 equal compositions.Anchor net reservoir 12 is fixed on forked frame 7, the interim storage and placement for anchor net；Anchor net conveying mechanism
13 is attached including drive motor 15, right side drive shaft 16, connecting shaft 17, left side drive shaft 18, sprocket wheel 19, roller chain 20, chain
Part 21, chain tensioning mechanism 22, driven shaft 23 etc..Drive motor 15 is connect with right side drive shaft 16 by key I24；Right side driving
Axis 16 passes through key25 connect with connecting shaft 17, left side drive shaft 18, meanwhile, and connect with sprocket wheel 19；Roller chain 20 totally 2
Group is symmetrically arranged in 6 two sides of main frame body, 1 chain accessory 21 is installed on every group of roller chain 20, and same-phase is installed, and chain is attached
In the hole of protrusion insertion anchor net on part 21, for positioning and driving anchor net, the transmission of anchor net is realized.
As shown in figure 3, the closed air-guiding aisle 4 by heavy caliber air inlet 26, air duct bottom plate 27, transition frame 28,
Box air duct 29 forms.Two sides at heavy caliber air inlet 26 can flame retardant rubber plate 30 use arc line shaped optimization design, and it is distinguished and admirable
Path is consistent, not only increases intake, further improves distinguished and admirable smoothness；27 one end of air duct bottom plate and transition frame 28 pass through pin
Axis 31 connects, and the other end is flexible coupling by two guide chains 32 with main frame 6；Several groups air door 33 is provided on air duct bottom plate 27,
When needing to clear up the dust in air duct channel, air door is opened, normal operating conditions closes air door；28 rear end of transition frame is
Box air duct 29 can be external with the scalable light air cylinder of steel-wire carcass or hard ventilating tube progress using plate welding structure, realizes distinguished and admirable
Extraction.
As shown in fig. 7, the support rod mechanism 8 includes sleeve 34, support rod 35, bolt 36, if being provided on sleeve 34
Dry uniformly distributed limit hole 37, it is equal per adjacent 37 pitch-row of limit hole, according to actual needs, bolt 36 is inserted into different limits
In hole 37, the limit to support rod 35 is realized.
As shown in figure 5, the chain tensioning mechanism 22 includes directive wheel mounting base 38, nut 39, bolt 40, directive wheel
Mounting base 38 is mounted in the prefabricated slideway of main frame body 6；There are two nuts 39, and one is played position-limiting action, and one has locking effect；
It is provided with deep gouge 41 in 6 bolt head corresponding position of main frame body, bolt head a part is deeply buried in deep gouge 41, is played to spiral shell
The position-limiting action of bolt 40.Chain tensioning mechanism 22 is realized to the tensioning of the chain function and maintenance.
Claims (7)
1. a kind of collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, it is characterised in that: including interim
Supporting mechanism (1) is provided in gib mechanism (1) for the storage of anchor net, conveying, hangs the automatic net laying mechanism (2) of falling, faces
When support system front end have automatic adjusument top board structure (3), is disposed with closed air-guiding aisle inside gib mechanism (1)
(4).
2. according to claim 1 collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, spy
Sign is: the gib mechanism (1) includes visiting ceiling (5), main frame body (6), forked frame (7), strut machine before walking formula
Structure (8), screw rod regulating mechanism (9), supporting oil cylinder (10) and preceding oil drilling cylinder (11), spy ceiling (5) is located at front end before walking formula,
Step, which becomes, to be visited ceiling (5) and main frame body (6) before formula and realizes the opposite connection slided by track；Main frame body (6) rear end and forked frame
(7) it connects；Screw rod regulating mechanism (9) are arranged in forked frame (7) rear end；Supporting oil cylinder (10) upper connecting ear and step become formula before visit ceiling
(5) lower connecting ear connection；Support rod mechanism (8) upper end with step become formula before visit another engaging lug in ceiling (5) lower end connect；Preceding oil drilling
Cylinder (11) cylinder barrel end is connect with main frame body (6), preceding oil drilling cylinder (11) tailpiece of the piston rod with step become formula before visit ceiling (5) connect.
3. according to claim 2 collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, spy
Sign is: the support rod mechanism (8) includes sleeve (34), support rod (35) and bolt (36), and support rod (35) setting is covering
It is provided in cylinder (34), on sleeve (34) several uniformly distributed limit hole (37), bolt equal per adjacent limit hole (37) pitch-row
(36) it can be plugged into different limit holes (37).
4. according to claim 1 or 2 or 3 collect automatic lapping, dust-extraction unit, the preceding gib system for visiting functions
System, it is characterised in that: the automatic net laying mechanism (2) includes anchor net reservoir (12), anchor net conveying mechanism (13) and linked network
Device (14), anchor net reservoir (12) are fixed on forked frame (7), anchor net reservoir (12) by anchor net conveying mechanism (13) with
Mesh paving device (14) connection.
5. according to claim 4 collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, spy
Sign is: the anchor net conveying mechanism (13) includes drive motor (15), right side drive shaft (16), connecting shaft (17), left side
Drive shaft (18), sprocket wheel (19), roller chain (20), chain accessory (21), chain tensioning mechanism (22) and driven shaft (23) drive
Dynamic motor (15) pass through key I(24 with right side drive shaft (16)) it connect,；Right side drive shaft (16) passes through key II(25) and connecting shaft
(17) one end connection, the other end of connecting shaft (17) are connect with left side drive shaft (18), left side drive shaft (18) and right side
It is respectively arranged in drive shaft (16) sprocket wheel (19), roller chain (20) is set between the sprocket wheel (19) at both ends；Roller chain
(20) totally 2 groups, main frame body (6) two sides are symmetrically arranged in, installation is by a chain accessory (21) on every group of roller chain (20), together
Phase is installed, in the hole of the protrusion insertion anchor net on chain accessory (21).
6. collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions according to claim 1 or 5,
Be characterized in that: the closed air-guiding aisle (4) includes heavy caliber air inlet (26), air duct bottom plate (27), transition frame (28)
With box air duct (20), the two sides of heavy caliber air inlet (26) be can flame retardant rubber plate (30), air duct bottom plate (27) is by heavy caliber
Air inlet (26) enters in closed air-guiding aisle (4), and air duct bottom plate (27) one end and transition frame (28) are connected by pin shaft (31)
It connects, air duct bottom plate (27) other end is flexible coupling by two guide chains (32) with main frame (6), is arranged on air duct bottom plate (27) several
Group air door (33), transition frame (28) rear end connect box air duct (29).
7. according to claim 6 collect automatic lapping, dust-extraction unit, the preceding temporary support system for visiting functions, spy
Sign is: the chain tensioning mechanism (22) includes directive wheel mounting base (38), and directive wheel mounting base (38) is mounted on body frame
In the prefabricated slideway of body (6), directive wheel mounting base (38) outboard end and driven shaft (23) are fixed, on the inside of directive wheel mounting base (38)
End is equipped with screw rod, is provided with there are two nut (39) on screw rod, and one is played position-limiting action, and one has locking effect；Screw rod end
Portion is provided with bolt (40), and main frame body (6) bolt (40) head corresponding position is provided with deep gouge (41), one, bolt (40) head
Divide and is deeply buried in deep gouge (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036080.9A CN109989779B (en) | 2019-01-15 | 2019-01-15 | Temporary support system integrating automatic net laying, dust removal device and advancing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036080.9A CN109989779B (en) | 2019-01-15 | 2019-01-15 | Temporary support system integrating automatic net laying, dust removal device and advancing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989779A true CN109989779A (en) | 2019-07-09 |
| CN109989779B CN109989779B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910036080.9A Active CN109989779B (en) | 2019-01-15 | 2019-01-15 | Temporary support system integrating automatic net laying, dust removal device and advancing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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|---|---|---|---|---|
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| CN109989779B (en) | 2020-08-18 |
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