CN105569698A - Long-distance net setting and drawing device at coal face - Google Patents
Long-distance net setting and drawing device at coal face Download PDFInfo
- Publication number
- CN105569698A CN105569698A CN201610146607.XA CN201610146607A CN105569698A CN 105569698 A CN105569698 A CN 105569698A CN 201610146607 A CN201610146607 A CN 201610146607A CN 105569698 A CN105569698 A CN 105569698A
- Authority
- CN
- China
- Prior art keywords
- net
- coal
- hook
- metal mesh
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003245 coal Substances 0.000 title abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 230000006378 damage Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 230000006855 networking Effects 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a long-distance net setting and drawing device at a coal face. A roller is arranged in a rotary mode on a foreset and wound with a steel wire rope of which the free end is fixedly connected with a net hook for hooking a metal mesh to pull the metal mesh by the steel wire rope. A net drawing rod is matched with the net hook of which one end is detachably fixed to the net drawing rod, and the net drawing rod is detachable from the net hook. When a net is drew, a working personnel stands below the foreset and holds one end of the net drawing rod, and the other end of the net drawing rod is fixedly installed with the net hook to hang the net hook on the metal mesh. Then, the net drawing rod is detached from the net hook, and the net hook is pulled back by the rotating roller and enables the tail end of the metal mesh to bend against the roller. The working personnel can stand below the foreset to connect another metal mesh with the pulled back metal mesh, the net hook is taken down after net connection, and the metal mesh is laid on an upper wall under translation motion of a coal mining machine. Operation at short distance across a transporter near the coal wall is not needed, injury of people due to crushed coal is avoided, and accidents due to sudden start of the transporter can be prevented.
Description
Technical field
The present invention relates to coal-cutting machinery technical field, specifically relate to the remote folding and unfolding net arrangement of a kind of coal-face.
Background technology
No matter combine and adopt the main method that (putting) production practice is pit mining coal in the world at present, be top-coal caving face or large-mining-height working surface, and face roof maintenance is the problem of the most important thing all the time.The conventional means that face roof is safeguarded is along with force piece forward, between support and top board, lay wire lath, be connected to form a block of metal net, effectively can protect top board, broken coal and rubble that face roof drops can be caught, avoid injuring holdee by a crashing object.
The method of traditional assembling metal net is the transporter before first support out of service, and workman networks before striding across, before transporter stands in rib, wire lath being recovered to support.At the working face wall that ature of coal hardness is lower, folding side can occur at any time, the broken charcoal of the bulk that drops is hurted sb.'s feelings, and workman is carrying out networking work, concentrates on to receive net work and is difficult to recognize danger, easily occur that coal cinder falls generation security incident.Transporter may be run by other staff's maloperation, causes very big potential safety hazard to the personnel carrying out networking.
For a person skilled in the art, how to design a kind of safe, quickly and easily receive net networking device, make staff need not stride across transporter operation, be current those skilled in the art's technical issues that need to address.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the remote folding and unfolding net arrangement of a kind of coal-face, comprising:
Rotate the cylinder be arranged on force piece, lay winding wire ropes on described cylinder;
Be fixed on wire rope free end, net hook for hook wire lath;
Removably connect the receipts net bar of described net hook, and one end and the described receipts net bar of described net hook are detachably fixed.
Alternatively, also comprise the changed course roller being arranged at described force piece top, the free end being wound in the wire rope on described cylinder is hooked in wire lath through described changed course roller.
Alternatively, described receipts net bar is hollow metal tube, and the inwall of end arranges internal thread, coordinates dismounting with the external screw thread that described net hook is arranged.
Alternatively, described cylinder is connected to the middle part of described force piece H type connecting rod by leg-of-mutton cylinder bearing.
Alternatively, described cylinder bearing fixing vertically being highly more than or equal to 1m is less than or equal to 1.8m.
Alternatively, the side of described cylinder arranges folding swing handle and realizes rotation.
The remote folding and unfolding net arrangement of coal-face provided by the invention, force piece rotates and arranges cylinder, lay winding wire ropes on cylinder, rotates recoverable or release wire rope by cylinder.Wire rope can be called free end in outwardly directed one end, being fixedly connected with net hook, for being hooked on wire lath, and applying active force by wire rope to wire lath in the end head of free end, wire lath can be retracted to cylinder direction.Be equipped with net hook and receive net bar, one end of net hook with detachably fixed by net bar, can pull down from net hook.When receiving net, staff stands in below force piece, one end of hand-held receipts net bar, receiving the other end fixed installation net hook of net bar, being hooked on wire lath by net by receiving net bar.After hook completes, receipts net bar and net hook can be taken apart by staff, net hook is retracted by cylinder rotation after being separated by both, net hook pulls and makes the end of wire lath to cylinder deflection, another wire lath and the wire lath retracted connect by the below that staff may stand in force piece, hooked up down by net after having networked, wire lath is laid on roof under the phorogenesis of coal-winning machine.The place that staff only has top shield below force piece just can complete networking operation, and need not stride across transporter near rib near work, avoids occurring that broken charcoal is hurted sb.'s feelings, also can prevent transporter from starting suddenly and occur accident.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the remote folding and unfolding net arrangement of a kind of coal-face provided by the invention is installed on coal-winning machine;
Fig. 2 is the operational diagram that coal-winning machine is mined in coal seam.
Wherein:
Force piece 1, cylinder 2, cylinder bearing 21, changed course roller 3, net hook 4, receipts net bar 5.
Detailed description of the invention
The object of the present invention is to provide the remote folding and unfolding net arrangement of a kind of coal-face, the place operation below force piece with protection can be met, avoid broken charcoal to drop or transporter starts suddenly and hurts sb.'s feelings.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing and concrete embodiment, the remote folding and unfolding net arrangement of coal-face of the present invention is described in detail.
As shown in Figure 1, be the schematic diagram of a kind of concrete structure of coal-face remote folding and unfolding net arrangement that the present invention provides, reciprocating motion during coal-winning machine work is perpendicular to paper, and tunneling direction as shown by arrows in FIG..It is mainly used in the supporting in coal-face tunnel, guarantees the personal safety of staff.This device comprises the cylinder 2 rotating and be arranged on force piece 1, and cylinder 2 can rotate around the rotating shaft of self, and the outer wall of cylinder 2 is wound with wire rope, puts or reclaims wire rope outside being realized by the rotation of cylinder 2 both direction.Specify in the application, can outwardly directed one end be the free end of wire rope, the other end can think fixed end.The free end of wire rope is provided with net hook 4, and net hook 4 is for being hooked on wire lath, and wire rope applies active force by net hook to wire lath.Net hook 4 can be connected with receipts net bar 5, and both removably connect mutually, and one end of net hook 4 is removably fixed on the end of receiving net bar 5.
When receiving net operation, first by removably fixing to receipts net bar 5 and net hook 4, one end of staff's hand-held receipts net bar 5, the wire lath marginal portion laid above rib is sagging, receive net bar 5 other end and stretch out the sagging wire lath of hook at a distance, wire lath is pulled to below safe force piece 1, again new one section of wire lath and original wire lath are coupled to one, net hook 4 is taken off after completing, the wire lath connect will be taken advantage of a situation when coal-winning machine translation to lay and to abut against roof, just complete and put net work.
Receive net work owing to by means of the realization of this device, therefore staff need not stride across transporter operation, and transporter is used for outwards carrying the broken coal under adopting, and transporter is identical with the direction of motion of coal-winning machine, and perpendicular to the direction that entirety is tunneled.Coal-winning machine moves once in the lateral direction, overall can adopt the thick coal seam of lower about 0.7m, force piece will be moved forward corresponding distance after completing once motion.Need the wire lath laid to be located in the upper front part of moving direction, when force piece 1 translation, automatically wire lath is pressed on roof.
Further also be provided with changed course roller 3 at the top of force piece 1, the wire rope free end stretched out from cylinder 2 passes changed course roller 3, then is hooked on wire lath.Because changed course roller is positioned on the bottom surface of force piece 1 roof, can increase the hanging height of wire lath, facilitate coal-winning machine to pass through, and prevent wire lath edge scratch pedestrian, it is safer, convenient to operate.Changed course roller 3 is a rotating pulley, is lifted by bearing, drives changed course roller 3 to rotate, reduce rubbing action, the smooth and easy degree of lifting operation when wire rope moves.
Particularly, receive net bar 5 and be set to hollow metal tube, can alleviate the weight receiving net bar 5, the end of inner wall of metal tube is provided with internal thread, and the straight-bar portion of net hook 4 one end arranges external screw thread, and internal thread and external screw thread cooperatively interact dismounting or fix.Certainly, the mode fixing by screw thread is only concrete with reference to form as one, and other demountable structure is also contained within the protection domain of the application.
Cylinder 2 is fixed on force piece 1 by leg-of-mutton cylinder bearing 21, is positioned at the middle part of H type connecting rod, and a limit of cylinder bearing 21 is fixed on force piece 1, and relative drift angle place arranges rotating shaft, and cylinder 2 is sleeved in this rotating shaft and realizes rotating.Except being provided with cylinder bearing 21, also directly rotating shaft can be set in the side of force piece 1, with direct mounting rotary drum 2.
Conveniently staff's retractable operation, being vertically highly arranged at cylinder bearing 21 between 1m to 1.8m, comprises 1m and 1.8m two endpoint values, operates be as the criterion to facilitate palm.Arrange folding swing handle to realize rotating in the side of cylinder 2, cylinder 2 is rolled by people's manual operation.Cylinder bearing 21 also can install brake member, by brake member, cylinder 2 is engaged after wire lath being drawn to assigned address, and then carry out networking operation.It is recoverable when not using that swing handle is set to folding mode, reduces taking space.
As shown in Figure 2, for being positioned at the top view in tunnel when coal-winning machine works, the direction of working in reciprocating mode when small arrow represents coal-winning machine coal cutting, large arrow represents the direction of driving.When reality uses, general more weak at the part support force of rib near tunnel, both sides, the easy situation that drops, therefore need to lay wire lath (laying respectively at A and B place in Fig. 2) at this two place, accordingly a set of folding and unfolding net arrangement is set separately at the two ends of a set of coal-winning machine, carries out networking operation in both sides simultaneously.
The remote folding and unfolding net arrangement of coal-face in the present invention can complete wire lath and lay work below force piece, can stride across transporter by receiving net bar 5, makes to be operated in the environment of safety and stability to work, and reduces contingency and occurs.Top is provided with changed course roller 3 can not make net hook 4 form interference to the work of mining.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein, can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the remote folding and unfolding net arrangement of coal-face, is characterized in that, comprising:
Rotation is arranged at the cylinder (2) on force piece (1), the upper lay winding wire ropes of described cylinder (2);
Be fixed on wire rope free end, net hook (4) for hook wire lath;
Removably connect the receipts net bar (5) of described net hook (4), and one end and the described receipts net bar (5) of described net hook (4) are detachably fixed.
2. the remote folding and unfolding net arrangement of coal-face according to claim 1, it is characterized in that, also comprise the changed course roller (3) being arranged at described force piece (1) top, the free end being wound in the wire rope on described cylinder (2) is hooked in wire lath through described changed course roller (3).
3. the remote folding and unfolding net arrangement of coal-face according to claim 2, it is characterized in that, described receipts net bar (5) is hollow metal tube, and the inwall of end arranges internal thread, coordinates dismounting with the upper external screw thread arranged of described net hook (4).
4. the remote folding and unfolding net arrangement of coal-face according to claim 1, is characterized in that, described cylinder (2) is connected to the middle part of described force piece (1) H type connecting rod by leg-of-mutton cylinder bearing (21).
5. the remote folding and unfolding net arrangement of coal-face according to claim 4, is characterized in that, described cylinder bearing (21) fixing vertically being highly more than or equal to 1m is less than or equal to 1.8m.
6. the remote folding and unfolding net arrangement of the coal-face according to any one of claim 1 to 5, is characterized in that, the side of described cylinder (2) arranges folding swing handle and realizes rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146607.XA CN105569698A (en) | 2016-03-15 | 2016-03-15 | Long-distance net setting and drawing device at coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146607.XA CN105569698A (en) | 2016-03-15 | 2016-03-15 | Long-distance net setting and drawing device at coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105569698A true CN105569698A (en) | 2016-05-11 |
Family
ID=55880254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146607.XA Pending CN105569698A (en) | 2016-03-15 | 2016-03-15 | Long-distance net setting and drawing device at coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105569698A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351679A (en) * | 2016-11-09 | 2017-01-25 | 安徽理工大学 | Soil similar coal working face fully sealed shield support device |
| CN109882220A (en) * | 2019-04-08 | 2019-06-14 | 安徽理工大学 | A kind of guide tracked steel wire transmitting device of weak seam working face and application method |
| CN109931084A (en) * | 2017-12-19 | 2019-06-25 | 淮北矿业股份有限公司 | A kind of laying method of coal working face protective net |
| CN110056382A (en) * | 2018-08-01 | 2019-07-26 | 国电建投内蒙古能源有限公司 | A kind of device for layering and laydown process of fully-mechanized mining working |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108109A (en) * | 1985-11-06 | 1987-05-13 | 煤炭工业部煤炭科学研究院唐山分院 | The artificial false top lapping of thick seam slicing system, networking method and device |
| CN1068168A (en) * | 1991-06-24 | 1993-01-20 | 北京煤矿机械厂 | Hydraulic prop of mechanically laying and connecting network |
| PL200374B1 (en) * | 2003-09-22 | 2008-12-31 | Zbigniew Barecki | Welded chain lining net |
| CN201190572Y (en) * | 2007-12-29 | 2009-02-04 | 中国神华能源股份有限公司 | Full-section mesh paving device for mine roadway |
| CN201687497U (en) * | 2010-04-12 | 2010-12-29 | 史之印 | Quick wire mesh laying device for shield supports in last cutting stope of fully mechanized mining face |
| CN201843629U (en) * | 2010-11-07 | 2011-05-25 | 山东浩珂矿业工程有限公司 | Fiber mesh device used for controlling top plate |
| CN103438084A (en) * | 2013-08-07 | 2013-12-11 | 戴启彬 | Hanging hook |
| CN203374293U (en) * | 2013-03-04 | 2014-01-01 | 山西潞安矿业(集团)有限责任公司 | Device for preventing coal wall caving of working face from causing personal injury |
| CN104948211A (en) * | 2015-05-31 | 2015-09-30 | 山西晋城无烟煤矿业集团有限责任公司 | Large mining height end-mining net hanging process |
| CN205315027U (en) * | 2015-12-15 | 2016-06-15 | 新汶矿业集团有限责任公司 | Hydraulic pressure supports protection network device |
-
2016
- 2016-03-15 CN CN201610146607.XA patent/CN105569698A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108109A (en) * | 1985-11-06 | 1987-05-13 | 煤炭工业部煤炭科学研究院唐山分院 | The artificial false top lapping of thick seam slicing system, networking method and device |
| CN1068168A (en) * | 1991-06-24 | 1993-01-20 | 北京煤矿机械厂 | Hydraulic prop of mechanically laying and connecting network |
| PL200374B1 (en) * | 2003-09-22 | 2008-12-31 | Zbigniew Barecki | Welded chain lining net |
| CN201190572Y (en) * | 2007-12-29 | 2009-02-04 | 中国神华能源股份有限公司 | Full-section mesh paving device for mine roadway |
| CN201687497U (en) * | 2010-04-12 | 2010-12-29 | 史之印 | Quick wire mesh laying device for shield supports in last cutting stope of fully mechanized mining face |
| CN201843629U (en) * | 2010-11-07 | 2011-05-25 | 山东浩珂矿业工程有限公司 | Fiber mesh device used for controlling top plate |
| CN203374293U (en) * | 2013-03-04 | 2014-01-01 | 山西潞安矿业(集团)有限责任公司 | Device for preventing coal wall caving of working face from causing personal injury |
| CN103438084A (en) * | 2013-08-07 | 2013-12-11 | 戴启彬 | Hanging hook |
| CN104948211A (en) * | 2015-05-31 | 2015-09-30 | 山西晋城无烟煤矿业集团有限责任公司 | Large mining height end-mining net hanging process |
| CN205315027U (en) * | 2015-12-15 | 2016-06-15 | 新汶矿业集团有限责任公司 | Hydraulic pressure supports protection network device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351679A (en) * | 2016-11-09 | 2017-01-25 | 安徽理工大学 | Soil similar coal working face fully sealed shield support device |
| CN109931084A (en) * | 2017-12-19 | 2019-06-25 | 淮北矿业股份有限公司 | A kind of laying method of coal working face protective net |
| CN110056382A (en) * | 2018-08-01 | 2019-07-26 | 国电建投内蒙古能源有限公司 | A kind of device for layering and laydown process of fully-mechanized mining working |
| CN110056382B (en) * | 2018-08-01 | 2023-10-20 | 国电建投内蒙古能源有限公司 | Fully-mechanized coal mining face lapping device and lapping method |
| CN109882220A (en) * | 2019-04-08 | 2019-06-14 | 安徽理工大学 | A kind of guide tracked steel wire transmitting device of weak seam working face and application method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |