CN101509355B - Double drilling rod drive apparatus and double drill rod mash gas outburst prevention drill - Google Patents
Double drilling rod drive apparatus and double drill rod mash gas outburst prevention drill Download PDFInfo
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- CN101509355B CN101509355B CN2009100644506A CN200910064450A CN101509355B CN 101509355 B CN101509355 B CN 101509355B CN 2009100644506 A CN2009100644506 A CN 2009100644506A CN 200910064450 A CN200910064450 A CN 200910064450A CN 101509355 B CN101509355 B CN 101509355B
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- gear shaft
- external tooth
- tooth wheel
- drilling rod
- wheel shaft
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Abstract
The invention discloses a dual-drill stem transmission gear and a dual-drill stem gas outburst-preventing drill. The dual-drill stem transmission gear is provided with a transmission gear shaft in a box body; the box body is provided with a hollow external gear shaft therein; the external gear shaft and the box body are rotationally and hermetically connected; an internal gear shaft is sheathed and fixed with the internal hole of the dual-drill stem transmission gear by a bearing; a limiting mechanism is arranged between the internal hole and the internal gear shaft; the external gear shaft and the internal gear shaft are provided with transmission gears which are meshed with two transmission gears arranged on the transmission gear shaft; and the transmission gear shaft is connected with a power machine. The dual-drill stem gas outburst-preventing drill further comprises a machine frame, and an elevating positioning mechanism which are connected to a vertical support frame; the vertical support frame is provided with a sliding track; the sliding track is provided with a sliding plate; the sliding track and the sliding plate are in slip fit. The box body of the dual-drill stem transmission gear is arranged on the sliding plate; and a propeller hydraulic cylinder is arranged between the box body and the sliding plate. The invention has novel design, compact structure, high efficiency, excellent gas discharge effect, convenient usage, and excellent social and economic benefits.
Description
One. technical field:
The present invention relates to a kind of composite board, particularly relate to a kind of pair of drilling rod transmission device and double drill rod mash gas outburst prevention and bore.
Two. background technology:
China is an energy big country, its coal reserves is huge, thereby coal is one of main energy sources of China, but, there are a lot of potential safety hazards in coal mining, the time and the ore deposit occurs and ruin the accident that the people dies, brought massive losses for the country and people's lives and properties, wherein, gas is outstanding to be to threaten the most serious a kind of natural calamity of Safety of Coal Mine Production, at this situation, domestic colliery is generally adopted and is beaten in advance leading gas and discharge boring and take out anti-method in advance and prevent and treat driving face gas distinct issues, at present, driving face is made the employed rig of release boring and is mainly contained light rigs against outburst and hydraulic pressure rigs against outburst, and light rigs against outburst needs artificial hand-held creeping into, it is many to take personnel, meet stick of tool, crown drill, during phenomenons such as suction brill, rate of penetration is extremely slow, and labor strength is big; Though the hydraulic pressure rigs against outburst can improve the speed of drilling, weight is big, sets up, moves, lifting is extremely inconvenient, and such rigs against outburst badly influences the driving speed of driving face, and then has restricted the production efficiency and the output of raw coal.In addition, present rigs against outburst all is single drilling rod, occurs deficiencies such as stick of tool, crown drill, spray orifice easily, and the defectives such as hole that also can occur collapsing are unfavorable for the hole packer sealing of hole, and then influence the drawing-off gas effect, increases potential safety hazard.
Three. summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, a kind of modern design, compactness, efficient height, drawing-off gas two drilling rod transmission devices effective and easy to use as a result are provided, provide a kind of double drill rod mash gas outburst prevention that this pair drilling rod transmission device is installed to bore simultaneously.
Technical scheme of the present invention: a kind of pair of drilling rod transmission device, comprise casing, in the described casing driving gearshaft is installed, an external tooth wheel shaft is installed in the described casing, be tightly connected for rotary type between this external tooth wheel shaft and the described casing, and, described external tooth wheel shaft is a hollow drill pipe, suit is fixed with an inner gear shaft in its endoporus, connect for rotary type between the two, and be provided with position-limit mechanism between the two, to limit moving axially between the two, a travelling gear all is set on described external tooth wheel shaft and the inner gear shaft, and described two travelling gears go out two travelling gears that are provided with on the wheel shaft with described transmission respectively and are meshed, and described driving gearshaft is connected with engine.
Described external tooth wheel shaft is installed in the fixed cover on the described casing by bearing and bearing holder (housing, cover), and described external tooth wheel shaft outer end is provided with sealing ring cap, and the sealing ring cowling is fixed on the described fixed cover; Described inner gear shaft is the step axle, its front end sleeve is contained in the described external tooth wheel shaft, connect by the bearing rotary type between the two, described inner gear shaft leading section is provided with round nut, this round nut is as position-limit mechanism, and it makes inner gear shaft and external tooth wheel shaft retainer shaft to position inconvenience by backing plate and asbestos pad, and described inner gear shaft rear end is installed on the described casing by bearing, and its end is provided with sealing ring cap, and the sealing ring cowling is installed on the described casing.
Described driving gearshaft is installed on the described casing by bearing, and its two ends all are provided with end cover, and two end covers are installed on the described casing.
Described driving gearshaft is connected with power gear axle on being installed in described casing by gear, and this power gear axle is connected with described engine.Perhaps, described driving gearshaft one end is provided with end cover, and the other end is provided with sealing ring cap, and the driving gearshaft of this end stretches out described sealing ring cap and is connected with described engine.
Described engine is a motor, or is hydraulic motor; The rotating ratio of described external tooth wheel shaft and inner gear shaft is 1: 2～4; Described casing is formed by connecting by upper box and lower box.
A kind of double drill rod mash gas outburst prevention that contains described pair of drilling rod transmission device bores, also contain organic frame, described frame lower is provided with road wheel, and its top is provided with the lifting detent mechanism, and described lifting detent mechanism is connected with longitudinal carrier, a slide rail is installed on the described longitudinal carrier, this slide rail is provided with slide plate, and the two is slidingly matched, and the bottom half of described pair of drilling rod transmission device is installed on the described slide plate, and, between described casing and the described slide rail PF cylinder pressure is installed.
Described lifting detent mechanism contains four support bars, two horizontal supports, two longitudinal carriers, preceding lifting hydraulic cylinder and back lifting hydraulic cylinders, wherein, four support bars divide two groups of front and back, its lower end is hinged with described frame respectively, two horizontal support two ends are fixed with the two groups of support bar suits in front and back respectively by clip, lifting hydraulic cylinder and lifting hydraulic cylinder lower end, back cylinder body are all hinged with described frame before described, two horizontal supports are hinged respectively for its upper end piston rod, fix two longitudinal carriers on described two horizontal supports.
Be provided with wear-resistant block between described slide plate and the slide rail.Described frame is provided with steady machine pressing plate, is convenient to stablize frame.
Beneficial effect of the present invention:
1, the present invention adopts two jackrod structures, modern design, during work, two drilling rods rotate simultaneously and creep into, in drilling process problems such as stick of tool, crown drill, spray orifice can not appear, when getting into certain position, interior drilling rod can be extracted out outer drilling rod supporting boring, and then pressurize with the water filling of hole packer sealing of hole, so just the hole that collapses can not occur, gas is discharged fully, guarantee the safety of coal cutting roadway.
2, the present invention adopts two drilling rods to creep into simultaneously, the efficient height, and its efficient exceeds 2-3 times of common rig.In addition, when creeping into, can be by the rearmounted mouth of a river to tool joint place watering and lowering dust, play environmental-protection function, guarantee safety, environmental protection, dustless when making into the lane, reduce the injury of coal dust to human body.
3, external tooth wheel shaft of the present invention is fixedlyed connected by the movable suit of bearing and nut with inner gear shaft, can rotate simultaneously, and its compact conformation has reduced volume, reduced weight, is convenient to dismounting and use.
4, on power transmission shaft of the present invention two travelling gears are installed, other travelling gear respectively with the engagement that cogs of two drilling rods, realize that a power transmission shaft drives two drilling rods simultaneously and rotates simultaneously, reasonable in design, simplified structure reduces cost.
5, frame of the present invention is provided with former and later two lifting hydraulic cylinders, and height that can the lifting drilling rod and adjust the inclined degree of drilling rod to adapt to the demand of differing heights and gradient, uses very convenient.
6, slide plate of the present invention and slide rail match, and guarantee the direction that seesaws of drilling rod, in addition, between slide plate and slide rail wear-resistant block are installed, and have increased the abrasion resistance between the two greatly, prolong its application life, have reduced maintenance cost simultaneously.
7, frame of the present invention is provided with road wheel, is convenient to move, and also is provided with steady machine pressing plate in addition, increases the resistance to overturning of frame, guarantees the borehole accuracy of drilling rod.In addition, adopt hydraulic-driven, power is steady and noise is low.
8, the present invention is widely used under the coal mine tunneling gas and takes out (row) discharge hole, fluid injection fire-fighting hole, coal-bed flooding hole, coal-bed flooding pressurization and discharge the mash gas outburst prevention relief hole, and be applicable to that rock consolidating coefficient is less than 10 various coal seams and rock stratum, be easy to promote, society and economic benefit are good.
Four. description of drawings:
Fig. 1 is the structural representation of two drilling rod transmission devices;
Fig. 2 is the right view (motor removes the back) of shown in Figure 1 pair of drilling rod transmission device;
Fig. 3 is the left view of shown in Figure 1 pair of drilling rod transmission device;
Fig. 4 is the half chests sectional view (overlooking) of shown in Figure 1 pair of drilling rod transmission device;
The structural representation that Fig. 5 bores for double drill rod mash gas outburst prevention.
Five. the specific embodiment:
Embodiment one: referring to Fig. 1-Fig. 5, and among the figure, 1-upper box, 2-bolt, the 3-lower box, 4-pressing plate, 5-key, 6-pinion, the 7-sealing ring, 8-sealing ring cap, 9-motor, 10-fixed cover, the 11-bearing holder (housing, cover), 12-round nut, 13-backing plate, 14-asbestos pad, the 15-bearing, 16-sealing ring cap, 17-sealing ring, 18-external tooth wheel shaft, the 19-bearing, 20-driving gearshaft, 21-bearing, 22-end cover, the 23-sealing ring cap, 24-wool felt, 25-bearing, 26-inner gear shaft, the 27-bolt, 28-nut, 29-pad, 30-alignment pin, the 31-slide plate, 32-PF cylinder pressure, 33-support bar, the 34-pin, lifting hydraulic cylinder behind the 35-, the steady machine pressing plate of 36-, lifting hydraulic cylinder before the 37-, 38-longitudinal carrier, 39-road wheel, the 40-frame, 41-slide rail, 42-horizontal support.
The external tooth wheel shaft 18 of two drilling rod transmission devices is installed in the fixed cover 10 on the casing by bearing 19 and bearing holder (housing, cover) 11, and, external tooth wheel shaft 18 outer ends are provided with sealing ring cap 16, sealing ring cowling 16 is fixed on the end face of fixed cover 1, is provided with sealing ring 17 between sealing ring cap 16 and the external tooth wheel shaft 18; Inner gear shaft 26 is the step axle, its front end sleeve is contained in the external tooth wheel shaft 18, connect by bearing 15 rotary types between the two, inner gear shaft 26 leading sections are provided with round nut 12, this round nut 12 is as position-limit mechanism, it makes inner gear shaft 26 and external tooth wheel shaft 18 keep axial location inconvenience by backing plate 13 and asbestos pad 14, inner gear shaft 26 rear ends are installed on the casing by bearing 25, and its end is provided with sealing ring cap 23, sealing ring cowling 23 is installed on the casing, is provided with wool felt 24 between sealing ring cap 23 and the inner gear shaft 26.Driving gearshaft 20 is installed on the casing by bearing 21, and its two ends all are provided with 22, two end covers 22 of end cover and are installed on the casing.Power gear on the driving gearshaft 20 and pinion 6 engagements of installing on engine 9 output shafts are provided with sealing ring cap 8 and sealing ring 7 between pinion 6 and the casing, be provided with key 5 and pressing plate 4 between pinion 6 and engine 9 output shafts.
In order to increase abrasion resistance, improve application life, can between slide plate 31 and slide rail 41, be provided with wear-resistant block (not drawing among the figure).Frame 40 is provided with steady machine pressing plate 36, is convenient to stablize frame 20.
During use, external tooth wheel shaft 18 is connected with outer drilling rod by tool joint, inner gear shaft 26 is connected with interior drilling rod by tool joint, as required, the primer fluid pressing system, lifting hydraulic cylinder 37 and back lifting hydraulic cylinder 35 before adjusting, make slide rail 41 reach suitable height and gradient, fixed frame 40 then, start engine 9, and external tooth wheel shaft 18 and inner gear shaft 26 rotate, under the effect of PF cylinder pressure 32, external tooth wheel shaft 18 and the inner gear shaft 26 outer drilling rods of drive and interior drilling rod rotate and creep into, when the degree of depth is deepened, and can stacks.When getting into certain position, engine 9 very changes, pull down the tool joint on the external tooth wheel shaft 18, PF cylinder pressure 32 retreats, and inner gear shaft 26 is extracted out external tooth wheel shaft 18 supportings boring this moment, and then pressurize with the water filling of hole packer sealing of hole, so just the hole that collapses can not occur, gas is discharged fully, guarantee the safety of coal cutting roadway.Supporting finishes, and external tooth wheel shaft 18 is connected with tool joint, and PF cylinder pressure 32 drives outer drilling rod and withdraws from.
Embodiment two: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: driving gearshaft one end is provided with end cover, the other end is provided with sealing ring cap, the driving gearshaft of this end stretches out sealing ring cap and is connected with engine, simplified structure, engine can adopt buncher.
Change the external tooth wheel shaft concrete structure and with the syndeton of casing, change inner gear shaft concrete structure and with syndeton, change external tooth wheel shaft and the inner gear shaft of casing between syndeton and the concrete structure of change frame and lifting detent mechanism can form a plurality of embodiment, be common variation of the present invention, do not describe in detail one by one at this.
Claims (9)
1. two drilling rod transmission device, comprise casing, in the described casing driving gearshaft is installed, it is characterized in that: an external tooth wheel shaft is installed in the described casing, be tightly connected for rotary type between this external tooth wheel shaft and the described casing, and, described external tooth wheel shaft is a hollow drill pipe, suit is fixed with an inner gear shaft in its endoporus, is the rotary type connection between the two, and is provided with position-limit mechanism between the two, to limit moving axially between the two, a travelling gear all is set on described external tooth wheel shaft and the inner gear shaft, and these two travelling gears are meshed with two travelling gears being provided with on the described driving gearshaft respectively, and described driving gearshaft is connected with engine; Described external tooth wheel shaft is installed in the fixed cover on the described casing by bearing and bearing holder (housing, cover), and described external tooth wheel shaft outer end is provided with sealing ring cap, and the sealing ring cowling is fixed on the described fixed cover; Described inner gear shaft is the step axle, its front end sleeve is contained in the described external tooth wheel shaft, connect by the bearing rotary type between the two, described inner gear shaft leading section is provided with round nut, this round nut is as position-limit mechanism, and it makes inner gear shaft and external tooth wheel shaft retainer shaft to invariant position by backing plate and asbestos pad, and described inner gear shaft rear end is installed on the described casing by bearing, and end, inner gear shaft rear end is provided with sealing ring cap, and it is installed on the described casing.
2. according to claim 1 pair of drilling rod transmission device, it is characterized in that: described driving gearshaft is installed on the described casing by bearing, and the driving gearshaft two ends all are provided with end cover, and two end covers are installed on the described casing.
3. according to claim 2 pair of drilling rod transmission device is characterized in that: described driving gearshaft is connected with power gear axle on being installed in described casing by gear, and this power gear axle is connected with described engine.
4. according to claim 1 pair of drilling rod transmission device is characterized in that: described driving gearshaft one end is provided with end cover, and the other end is provided with sealing ring cap, and the driving gearshaft of this end stretches out described sealing ring cap and is connected with described engine.
5. according to claim 1 pair of drilling rod transmission device is characterized in that: described engine is a motor, or is hydraulic motor; The rotating ratio of described external tooth wheel shaft and inner gear shaft is 1: 2～4; Described casing is formed by connecting by upper box and lower box.
6. a double drill rod mash gas outburst prevention that contains the arbitrary described pair of drilling rod transmission device of claim 1-5 bores, also contain organic frame, described frame lower is provided with road wheel, upper rack is provided with the lifting detent mechanism, described lifting detent mechanism is connected with longitudinal carrier, it is characterized in that: a slide rail is installed on the described longitudinal carrier, this slide rail is provided with slide plate, be slidingly matched between slide rail and the slide plate, the bottom half of described pair of drilling rod transmission device is installed on the described slide plate, and, between described casing and the described slide rail PF cylinder pressure is installed.
7. double drill rod mash gas outburst prevention according to claim 6 bores, it is characterized in that: described lifting detent mechanism contains four support bars, two horizontal supports, preceding lifting hydraulic cylinder and back lifting hydraulic cylinder, wherein, four support bars divide two groups of front and back, its lower end is hinged with described frame respectively, two horizontal support two ends are fixed with the two groups of support bar suits in front and back respectively by clip, lifting hydraulic cylinder and lifting hydraulic cylinder lower end, back cylinder body are all hinged with described frame before described, its upper end piston rod is hinged with two horizontal supports respectively, fixes two longitudinal carriers on described two horizontal supports.
8. double drill rod mash gas outburst prevention according to claim 7 bores, and it is characterized in that: be provided with wear-resistant block between described slide plate and the slide rail.
9. double drill rod mash gas outburst prevention according to claim 8 bores, and it is characterized in that: described frame is provided with steady machine pressing plate, is convenient to stablize frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100644506A CN101509355B (en) | 2009-03-24 | 2009-03-24 | Double drilling rod drive apparatus and double drill rod mash gas outburst prevention drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100644506A CN101509355B (en) | 2009-03-24 | 2009-03-24 | Double drilling rod drive apparatus and double drill rod mash gas outburst prevention drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101509355A CN101509355A (en) | 2009-08-19 |
| CN101509355B true CN101509355B (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100644506A Expired - Fee Related CN101509355B (en) | 2009-03-24 | 2009-03-24 | Double drilling rod drive apparatus and double drill rod mash gas outburst prevention drill |
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| Country | Link |
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| CN (1) | CN101509355B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088586B (en) * | 2014-07-16 | 2016-04-06 | 徐州工程学院 | Super large caliber rig rotates drilling cramp fixed conveyor structure |
| CN113446381B (en) * | 2021-03-22 | 2022-03-08 | 深圳市汇能达塑料有限公司 | Hand-held type meat chopper gear box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3565190A (en) * | 1968-03-07 | 1971-02-23 | Sanwa Kizai Co Ltd | Auger-type boring machines |
| CN101240692A (en) * | 2007-02-08 | 2008-08-13 | 欧洲钻机有限责任公司 | Driving structure for double drilling-rod |
| CN201363097Y (en) * | 2009-03-24 | 2009-12-16 | 王武涛 | Double-drill rod transmission device and double-rod anti-outburst drill |
-
2009
- 2009-03-24 CN CN2009100644506A patent/CN101509355B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3565190A (en) * | 1968-03-07 | 1971-02-23 | Sanwa Kizai Co Ltd | Auger-type boring machines |
| CN101240692A (en) * | 2007-02-08 | 2008-08-13 | 欧洲钻机有限责任公司 | Driving structure for double drilling-rod |
| CN201363097Y (en) * | 2009-03-24 | 2009-12-16 | 王武涛 | Double-drill rod transmission device and double-rod anti-outburst drill |
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| Publication number | Publication date |
|---|---|
| CN101509355A (en) | 2009-08-19 |
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Granted publication date: 20111130 Termination date: 20160324 |
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