Explosion coal-falling with coaling, transport coal and anchor-rod supporting mechanism integration operation method and device
Technical field
The invention belongs to driving technology under the coal mine, is comprehensive mechanized driving operational method and the device that is applicable to large, medium and small moulded coal ore deposit different shape and section.
Background technology
At present, all kinds of coal mine roadway drivings of China generally adopt the big gun pick, combine driving technologies such as pick and Lian Cai, and there is following problem in these technology:
1, the tunnelling section is little: excavated section is generally at 15M
2About.
2, installed power is big, the energy consumption height: fully mechanized workface installed power major part is all more than 250kw; Connect and adopt the machine installed power then up to more than the 2000kw.
3, supporting difficulty: big gun pick, comprehensive pick supporting still are artificial supporting at present.
4, efficient is low: because mechanical cut coal breakage is longer than the used time of explosion coal-falling, big gun pick, comprehensive pick supporting are artificial supporting, and personnel selection is many, so speed is slow, efficient is low.
5, bad adaptability: a kind of fully-mechanized digging machine type is difficult to adapt to various sections.
6, top board problem: present various driving modes are operation under the sky top all, can't realize advance support.
7, coal recovery rate is low, serious waste of resources; Because excavated section is little, causes the wasting of resources.
8, economic benefit is low.
9, speed of application is slow.
10, mine capacity is low, and safety factor is little.Because driving can not be realized mechanization, causes mine capacity and mine safety coefficient low.
Summary of the invention
Purpose of the present invention is exactly to solve the problem that exists in the driving technology under the above-mentioned coal mine, realize can tunneling arbitrary cross-section under the coal mine, it is fast to reach driving speed, and support cost is low, installed power is little, safe and reliable, adaptable requirement, and a kind of have advance support, anchor shaft anchor cable boring are provided, multiple functions such as shipment coal, adopt the full hydraulic system transmission, coal is coaling, transported to the explosion coal-falling that explosion-proof performance and security performance are good, bolt support is the integral machine of mechanization; Be a kind of explosion coal-falling, coaling, transport coal, bolt support integral machine operational method.
Technical scheme of the present invention to achieve these goals is:
A kind ofly coaling, integrated device of transporting coal and support machinery for anchor rod, comprise hydraulic oil supply system, hydraulic operation console, track unit, shipment coal transport portion, supporting part, hydraulic anchor machine; It is characterized in that: on the undercarriage bea of track unit, be installed with platform, shipment coal transport portion is housed between undercarriage bea and the platform, the shovel board of its shipment coal transport portion and airborne rake pawl are in the front of undercarriage bea, and contact with ground by the oil cylinder adjustment of shipment coal transport portion, and transport middle part and the back of the drag conveyor of coal at undercarriage bea; Be positioned at the platform upper forepart that stretches out directly over the shovel board and fixedly adorning the supporting part, hydraulic anchor machine and hydraulic operation console are fixedly being adorned in the middle part of deck roof, and hydraulic oil supply system, fuel tank and pumping plant are fixedly being adorned in the rear portion of deck roof.
A kind of explosion coal-falling and dress, fortune coal and anchor-rod supporting mechanism integration operation method are explosion coal-falling, it is characterized in that: adopt dress, integrated device of transporting coal and support machinery for anchor rod, scratch board conveyor, belt conveyer; Its 1 to 1.5 meter of advance of working cycle of driving, after blasting fume dispersed, dress, integrated device of transporting coal and support machinery for anchor rod entered operating location, at first, carried out the outward transport of machine dress by rake pawl and transport section on the shovel board of integrated apparatus blowing out the coal that falls; Secondly, after the operation of producing coal is finished, the beginning bolt support; The 3rd, after the supporting operation was finished, integrated apparatus retreated to outside the operating location 20 meters, the operation of drilling and blasting again.The present invention keeps original explosion coal-falling operation, and shipment coal and bolt support have realized mechanization, have reduced operating personnel and activity duration, and the single water inlet that has improved the big gun pick is flat.Described explosion coal-falling, 1.5 meters of advance of working cycle are carried out smooth blasting, and section is 6 * 6 meters to the maximum.Carry out anchor pole and anchor cable combination supporting, improved the ventilation and the transport capacity of mine greatly, realize the back production comprehensive mechanization for mine and create conditions.
The above its concrete technological process is: perforating, and------line--is blown out--integrated apparatus the enters work plane--temporary lining--fortune of coalingging coal----bolt support---move back machine in powder charge to establish warning.
The supporting part hydraulic prop temporary lining in the integrated apparatus is adopted in the described temporary lining operation of described technological process, and when entering under the supporting operation, two hydraulic props stretch out simultaneously, support top board, prevent roof delamination or inbreak.
Described the coalingging of technological process used shovel board and airborne rake pawl in the integrated apparatus, and the fortune coal is finished by the drag conveyor at shovel board middle part; When at first entering the operating area, shovel board is placed on the base plate in tunnel, the thrust of utilizing crawling traction to produce, the float coal near the base plate operation clearly to the operating location of coalingging; Along with the rotation of airborne rake pawl, the float coal on the shovel board is loaded into the drag conveyor at shovel board middle part; The coal of operating location is transported very soon.
Technological process is described coalings with shovel board and airborne rake pawl in the integrated apparatus, and the fortune coal is finished by the drag conveyor at shovel board middle part; At first, when entering the operating area, shovel board is placed on the base plate in coal mine tunnel, the thrust of utilizing crawling traction to produce, the float coal near the base plate operation clearly to the operating location of coalingging; Along with the rotation of airborne rake pawl, the float coal on the shovel board is loaded into the drag conveyor at shovel board middle part; Along with crawling traction, the coal of operating location is transported very soon.
The described bolt support operation of technological process, anchor pole and cable bolting construction are finished by hydraulic anchor machine in the integrated apparatus.Roof-bolter can slide arbitrarily on its horizontal slideway, and self can rotate, accurately rapid construction top anchor pole and anchor cable.
Technological process is described blows out, 1.8 meters of the perforating degree of depth, and the construction section is 6 * 6 meters, arranges totally 22 of periphery hole and snubbers.
More than in big gun pick, shipment coal, bolt support, in technologies such as outward transport coal, can adopt elevating conveyor to carry out to the outward transport coal, according to mine output, crossheading then adopts various belt conveyers.
Explosion coal-falling of the present invention is compared with existing colliery heading driver's process with anchor-rod supporting mechanism integration operation method and device with coalingging, transport coal, has outstanding substantive distinguishing features with remarkable technological progress to be:
1, the present invention coalings, the driving speed of integrated device of transporting coal and support machinery for anchor rod is fast, and excavated section is big, and section configuration is many, the resource recovery height, and support cost is low, and installed power is little, and safe and reliable volume is little, and is in light weight, and compliance is strong.Solved in the present driving technology low, high-power, the light-gauge driving difficult problem of drilling depth.Integral machine has advance support, anchor shaft anchor cable boring, and multiple functions such as shipment coal adopt the full hydraulic system transmission, and explosion-proof performance and security performance are good.
2, innovation to some extent on existing driving technology and equipment makes dress, fortune coal and supporting realize mechanization, and driving speed improves greatly, is increased to 4.5 meters by 1.5 meters of per tour driving amount of section on an equal basis greatly.
3, increased substantially resource recovery: because coal breakage is an explosion coal-falling, cross dimensions increases greatly, the arbitrary cross-section shape of can constructing, and the construction section generally is increased to 6 * 6 meters by 2 * 2.5 meters, the pick coal input quantity is increased to 52.2 tons by 7.3 tons every meter, and the rate of recovery and economic benefit improve greatly.
4, support pattern not only upgrades to the anchor shaft anchor cable supporting by log hut or beacon, and supporting intensity improves greatly, and the hydraulic prop that is used for advance support is housed on the integral machine, and the control ability of top board is strengthened greatly, and roof accident reduces greatly.
5, support speed increases substantially.Changing the big gun pick, combining the at present artificial supporting of pick is multi-functional anchor shaft anchor cable rig, and support speed increases substantially.Not only improve driving speed, and shortened the sky top time of top board, controlled roof fall accident effectively.
6, draught capacity strengthens.Strengthened by the roadway construction section, tunnel air distribution amount improves greatly, and the ability that solves gas increases.
7, transport capacity is big.Because the construction section is big, not only assistant conveyance can realize the trackless rubber tireization, and realizes mechanical mining for mine and created traffic condition.
8, compliance is strong.Coalfield, most of field with "nine squares", the whole nation all can be used, and the various section constructions in large, medium and small colliery all can be adopted this technology.
9, installed power is little.The complete machine installed power has only 55KW, but can construct 36m
2Section, driving speed, efficient and economic benefit are all higher than other digging device.
10, personnel selection is few, the efficient height.Owing to coaling, transport coal and bolt support is all mechanized, so the few efficient height of personnel selection.
11, safety factor height.Because the roadway construction section increases, draught capacity strengthens, and transport capacity improves, and has adopted anchor shaft anchor cable machinery supporting simultaneously and can realize mechanical mining, has improved safety factor widely.
In a word, the present invention has improved driving technology level under the coal mine, especially for realizing the mechanization of middle and small scale coal mine driving, supporting, shipment coal, complete technology and technical equipment is provided, realize safety in production for middle and small scale coal mine and created the most basic condition, simultaneously greatly improve resource recovery, can obtain bigger output with minimum input.Comprehensively, system, solved the serious problems that existing driving technology and equipment exist completely.
Description of drawings
Fig. 1 be coaling, the front view of integrated device of transporting coal and support machinery for anchor rod;
Fig. 2 be coaling, the vertical view of integrated device of transporting coal and support machinery for anchor rod;
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:
Fig. 1, shown in Figure 2 is coalingging behind the explosion coal-falling, integrated device of transporting coal and support machinery for anchor rod.It comprises hydraulic system and fuel tank etc. 1, hydraulic operation console 2, track unit 3, shipment coal transport portion 4, supporting part 5, hydraulic anchor machine 6; Shipment coal transport portion is made up of shovel board 401 and airborne rake pawl 402 two parts, and the fortune coal is by the drag conveyor 403 of shovel board postmedian.It fixes and is equipped with platform 8 on the undercarriage bea 7 of track unit, shipment coal transport portion fixedly is housed between undercarriage bea and the platform, the shovel board of shipment coal transport portion and airborne rake pawl are in the front of undercarriage bea, and adjust by the oil cylinder 404 of shipment coal transport portion and to contact with ground, and the drag conveyor of fortune coal is in the middle part and the back of undercarriage bea, supporting partly is three hydraulic props of distribution triangular in shape on the platform, hydraulic prop fixedly is loaded on the platform upper forepart that stretches out directly over the shovel board, hydraulic anchor machine and hydraulic operation console are fixedly being adorned in the middle part on the platform, hydraulic system is fixedly being adorned at the rear portion on the platform, fuel tank and pumping plant 1 also are equipped with operation driver's seat 9 on fuel tank and pumping plant.
Above-described hydraulic system, hydraulic operation console, track unit, shipment coal transport portion, supporting part, hydraulic anchor machine; The use of each several part all be prior art, the present invention has carried out optimum organization and integrated; As: track unit is the track unit that adopts engineering machinery, and the hydraulic anchor machine is the head section of roof-bolter or anchor cable machine; Shipment coal transport portion has then adopted the shipment coal transport portion of development machine; For this reason, the structure of various piece no longer describes in detail.
Explosion coal-falling of the present invention and dress, fortune coal and anchor-rod supporting mechanism integration operation method are for using dress, integrated device of transporting coal and support machinery for anchor rod, scratch board conveyor, belt conveyer behind the explosion coal-falling; 1 to 1.5 meter of its driving advance of working cycle, after the explosion coal-falling blasting fume dispersed, integrated apparatus entered operating location, after carrying out temporary lining earlier and loading and transporting coal, carried out bolt support again.After the supporting operation was finished, integrated apparatus retreated to outside the operating location 20 meters, the operation of drilling and blasting again.Keep original explosion coal-falling operation, realized coalingging, transported coal anchor-rod supporting mechanism equalization, operating personnel and activity duration have been reduced, the single water inlet that has improved the big gun pick is flat, and implementation anchor pole and anchor cable combination supporting, improved the ventilation and the transport capacity of mine greatly, realized comprehensive mechanical coal mining for mine and created condition.
Its concrete technological process is:
------line--is blown out--integrated apparatus the enters work plane--temporary lining--fortune of coalingging coal--bolt support---move back machine in powder charge to establish warning in perforating.
Concrete enforcement of the present invention is as follows:
1, integrated driving face is arranged
At first for to design the section and the support form of work plane, and install work plane produce coal system, ventilation system, electric power system and drainage system.
2, integrated work plane corollary equipment
(1) coaling, one of integrated device of transporting coal and support machinery for anchor rod.
(2) equipment of work plane transportation system has one one of SGW620/40T type scraper-trough conveyer.
Belt and concentrated belt all adopt SDJ---800 type belt, belt speed 2m/s, and transport capacity is 400t/h, main motor current 2*40Kw.
(3) equipment configuration of integrated work plane sees the following form:
The equipment configuration table of integrated work plane
Device name |
Specifications and models |
Quantity |
The equipment purposes |
Performance parameter |
Integrated apparatus |
|
1 |
Shipment coal and bolt support |
|
Scratch board conveyor |
SGW620/40T |
1 |
Transportation |
Transport capacity 150t/h |
The crossheading belt |
SDJ-800/80 |
1 |
Produce coal |
400t/h |
3, the coordinative composition of equipments of integrated work plane and technological process
(1) integrated work plane corollary equipment is seen the equipment configuration table of gun diging face.
(2), integrated working face extraction technological process
Blow out technology: perforating--powder charge--warning--blowing out---coaling, integrated device of transporting coal and support machinery for anchor rod operation.
Perforating: blow out driving, advance of working cycle 1.5m carries out smooth blasting, and section is 6 * 6m to the maximum, and perforating degree of depth 1.8--2 rice is arranged totally 22 of periphery hole and snubbers.
Powder charge: according to borehole purposes, every explosive payload is the 5-7 volume.
Warning: the squad leader personnel of sending someone may enter and blow out the place warning of standing guard in zone before powder charge, and clear up all personnel to guarding against outside the place on the way.
Blow out: use millisecond delay cap to carry out explosion.
Coal, integrated device of transporting coal and support machinery for anchor rod operation:
Coal, integrated device of transporting coal and support machinery for anchor rod enter the operating area, shovel board are placed on the base plate in coal mine tunnel, the thrust of utilizing crawling traction to produce, the float coal near the base plate operation clearly to the operating location of coalingging; Along with the rotation of airborne rake pawl, the float coal on the shovel board is loaded into the drag conveyor at shovel board middle part, produces coal by drag conveyor, the crossheading belt of laying behind the integral machine, and the coal of operating location is transported very soon.Simultaneously, anchor pole and cable bolting are finished by the construction of hydraulic anchor machine.Roof-bolter can slide arbitrarily on its horizontal slideway, and self can rotate, accurately rapid construction top anchor pole and anchor cable.
When the float coal of cleaning on the shovel board finished in coal, integrated device of transporting coal and support machinery for anchor rod operation, airborne rake pawl, the temporary lining of stretching out on the platform directly over the shovel board was stretched out, and airborne then roof-bolter can carry out anchor pole or anchor cable construction.
The system of producing coal: coal, integrated device of transporting coal and support machinery for anchor rod--scratch board conveyor---crossheading belt.
4, ventilation system
Work plane adopts the forced ventilation mode.
5, assistant conveyance system
Assistant conveyance is utilized maintenance crew's time, adopts the railless free-wheeled vehicle transportation.
6, labor organization (each class of production): squad leader 1 people, perforating, blow out, supporting, warning worker 4 people, elevating conveyor driver electrician 1 people that holds concurrently, belt driver 1 people, safety supervision person 1 people, per tour adds up to 8 people.