CN102953694B - High-speed hydraulic drill - Google Patents
High-speed hydraulic drill Download PDFInfo
- Publication number
- CN102953694B CN102953694B CN201210527686.0A CN201210527686A CN102953694B CN 102953694 B CN102953694 B CN 102953694B CN 201210527686 A CN201210527686 A CN 201210527686A CN 102953694 B CN102953694 B CN 102953694B
- Authority
- CN
- China
- Prior art keywords
- vertical plate
- chain
- dust
- drill boom
- shell
- 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.)
- Active
Links
Abstract
The invention discloses a high-speed hydraulic drill. A positioning sleeve is fixedly arranged on the front part of a guide frame; a guide frame following mechanism is arranged between the guide frame and a drill boom; the left plate surface of a left vertical plate is fixed with the right end of the guide frame; the right plate surface of the left vertical plate is connected with two guide rails on the drill boom in a sliding way; a right vertical plate is positioned between the two guide rails on drill boom; the left and right vertical plates are fixedly connected with each other; the left half segment of a chain passes through a gap between the left and right vertical plates; a chain clamping plate is arranged between the left vertical plate and the left half segment of the chain; a swinging rod is arranged above the chain clamping plate; the back end of the swinging rod can be collided with the top surface of a matching part of the chain clamping plate; and a chock block is arranged between the swinging rod and the positioning frame. A drill rod is well guided through a guide sleeve on the guide frame, so that the defects of the conventional structure are overcome effectively; and the high-speed hydraulic drill has a dedusting function, and the situation of flying of dust in the air during drilling in the conventional way is avoided, so that the environment is protected, and the vision of an operator is not influenced.
Description
Technical field
The present invention relates to a kind of hydraulic drill rig equipment for geological prospecting borehole operation.
Background technology
High-speed hydraulic drilling machine is mainly used in outdoor geological prospecting borehole and various cutting into a mountain during operation need to be buried the engineering the drilling of filling out explosive.Hydraulic drill rig is generally comprised of main frame, boom cylinder, swing arm, bucket arm cylinder, drill boom, drilling rod, chain, lifting motor, rotation motor, headstock and planker etc., and wherein main frame is comprised of hydraulic system, engine system, air compressor machine, electrical apparatus control system and air-conditioning system etc. again.Drill boom and drilling rod are all vertical setting and both are parallel to each other, and have along its length two guide rails at the left surface of drill boom, before and after these two guide rails are, are arranged side by side.Simultaneously, the upper end of described drilling rod is coaxially fixedly connected with the output shaft of headstock, the input of this headstock is connected with rotation motor, and headstock is fixed on planker, and planker both with drill boom on two guide rails be slidably connected, be connected with described chain again, and chain rotates under the drive that promotes motor simultaneously.As from the foregoing, planker and drilling rod are along two guide rails on drill boom together upstream or downstream under the drive that promotes motor, and drilling rod rotates simultaneously under the drive of rotation motor, thereby realizes drilling construction by drilling rod.
The hydraulic drill rig using is at present mostly without drill stem guide mechanism, and the length of drilling rod is larger, so just causes the oscillating quantity of drilling rod large, easily stuck.Also have part rig to be provided with the leading truck that drilling rod is led, the fairlead kink on this leading truck is on drilling rod, and leading truck and described guide rail are slidably connected.Leading truck is driven by oil pump, by pulley assemblies or row's formula chain variable velocity zone action-oriented frame, moves up and down, and its structure is very complicated and can not guarantee that leading truck synchronously moves up and down with drilling rod, and fault is many.
In addition, in the process of drilling rod boring, can produce a large amount of dust and dregs, and existing hydraulic drill rig is without dust exhaust apparatus, so just easily occurs the situation that dust is existed everywhere being both unfavorable for environmental protection, easily affects again operator's sight line.
Finally, existing lifting motor is arranged on drill boom top, and installation and maintenance are all very inconvenient, is badly in need of solving the problems of the technologies described above for this reason.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high-speed hydraulic drilling machine, and the fairlead on its leading truck has good guide effect to drilling rod, thereby reduces the oscillating quantity of drilling rod in boring procedure.
Technical scheme of the present invention is as follows: a kind of high-speed hydraulic drilling machine, comprise main frame (1), promote motor (12) and leading truck (13), wherein main frame (1) the place ahead is vertically provided with drill boom (2), before and after the left surface of drill boom, be provided with side by side two guide rails (2a), this guide rail is along the length direction setting of drill boom (2); The bottom of described drill boom (2) left surface is installed with locating rack (3), in leading truck front portion, be installed with the positioning sleeve (5) to drilling rod (4) location, and the lower surface of drill boom (2) be fixedly connected sequentially from top to bottom casing (6) and mount pad (7);
Described drilling rod (4) is positioned at the left side of drill boom (2), and parallel with the guide rail (2a) on drill boom, the upper end of this drilling rod is coaxially fixedly connected with the output shaft of headstock (8), and the input of headstock (8) is connected with rotation motor (9), and headstock (8) is fixed on the left plate face of planker (10); Two guide rails (2a) on the right panel face of described planker (10) and drill boom (2) are slidably connected, this planker is connected with half section, the left side of chain (11) simultaneously, this chain is connected with driven sprocket (46) with drive sprocket (36) simultaneously, and chain (11) rotates under the drive of described lifting motor (12); Described leading truck (13) left part is installed with fairlead (14), this fairlead while kink is on described drilling rod (4), it is characterized in that: between described leading truck (13) and drill boom (2), be provided with leading truck follower, this leading truck follower comprises left vertical plate (15) and right vertical plate (16), wherein left vertical plate (15) is parallel with described chain (11), the left plate face of this left vertical plate and the right-hand member of described leading truck (13) are fixed, and two guide rails (2a) on the right panel face of left vertical plate (15) and described drill boom (2) are slidably connected; Described right vertical plate (16) is positioned between two guide rails (2a) on drill boom (2), and parallel with described left vertical plate (15), and left and right vertical plate is fixed together by attachment screw (17), and the gap of passing between this left and right vertical plate (15,16), half section, a left side for described chain (11);
Between half section, a left side for described left vertical plate (15) and chain (11), be provided with chain and hold plate (18), this chain holds plate by the holding section (18a) at rear portion, the articulated section (18b) at middle part and anterior auxiliary section (18c) form, wherein the right lower quadrant of holding section (18a) has half slot, this half slot can coordinate with guide (11a) clamping that is connected on left half section of described chain (11), and resigning hole (15a) is located to have in the upper corresponding holding section (18a) of described left vertical plate (15); The hinged female connector of the outer empty set in described articulated section (18b) (19), the right panel face of the outer wall of this hinged cover and described left vertical plate (15) is fixed;
Described auxiliary section (18c) right lower quadrant has arc notch, this arc notch is positioned at the top of described holding section (18a) half slot, and there is a connecting pin (11b) to extend forward on left half section of the chain (11) of arc notch below, and forming extension, this extension can coordinate with the arc notch clamping on auxiliary section (18c); Described chain holds plate (18) top and is provided with swing arm (20), auxiliary section (18c) end face that chain holds plate (18) can be collided in this swing arm rear end, the middle part of swing arm (20) is sleeved on steady pin (21) left part, and swing arm can rotate around this steady pin (21), and the front surface of the right part of steady pin and described right vertical plate (16) is fixed; Between described swing arm (20) and locating rack (3), be provided with a block (22), and the front end of swing arm (20) can collide the end face of this block, and the rear end of block (22) is unsettled, and the rear surface of the front end of block (22) and described drill boom (2) forward track is fixed.
In above-described technical scheme, the operating principle during drilling rod of this hydraulic drill rig (4) boring is as follows:
1, drilling rod (4) is in the process of boring, and a left side half segment sync that this drilling rod (4) can be followed chain (11) moves down, meanwhile, one on left half section of the half slot that described chain holds plate holding section and chain (11) is connected guide (11a) clamping cooperation, thereby making chain hold plate (18) follows a left side half segment sync of chain (11) and moves down, and holding plate (18), chain is connected with left vertical plate (15), a left side half segment sync that so just drives leading truck (13) and fairlead (14) to follow chain (11) by left vertical plate (15) moves down, so also just make moving down with moving down of described drilling rod (4) of fairlead (14) synchronize, thereby can to drilling rod, lead well, and then effectively reduce the oscillating quantity of drilling rod in boring procedure.
2, when leading truck (13) moves to down stroke position, the front end of described swing arm (20) can be encountered the end face of block (22), will make like this swing arm (20) rotate around described steady pin (21), thereby allow the rear end of swing arm (20) encounter auxiliary section (18c) end face that described chain holds plate (18), and then drive chain to hold plate (18) rotation;
After described chain holds plate (18) and turns an angle, the arc notch that this chain holds plate auxiliary section will coordinate with the extension clamping of described connecting pin (11b), and by the extension of connecting pin (11b), chain is held to plate (18) and carry out rotary spacing, and the half slot that now chain holds plate holding section can disengage with the described guide (11a) that is connected, thereby make leading truck (13) stop moving down, and leading truck (13) is spacing by described locating rack (3) in the vertical direction.
3, described drilling rod (4) needs to move reset after completing boring, on half section, the left side of described chain (11), moves reset, and then drives on drilling rod (4) and move reset; Now, the front end of swing arm (20) can disengage with the end face of block (22), and described chain holds half section, the left side that the holding section (18a) of plate (18) turns to described chain (11) under Action of Gravity Field; When the half slot of holding section (18a) is connected guide (11a) clamping and coordinates with on chain (11) one after, will make chain hold plate (18) follows in a left side half segment sync of chain (11) and moves, and then drive described leading truck (13) and fairlead (14) to follow in a left side half segment sync of chain (11) to move, also just make fairlead (14) on move and synchronize with moving on described drilling rod (4).
In addition, we also can install down-the-hole air hammer or cut drill additional in the bottom of described drilling rod (4) according to on-the-spot geological condition, thereby expand the function of this hydraulic drill rig.
In sum, a left side half segment sync that leading truck of the present invention can be followed chain by leading truck follower moves up and down, and drilling rod is also followed a left side half segment sync of chain and is moved, so just make leading truck synchronize and move up and down with drilling rod, thereby just can drilling rod be had preferably and be led by the fairlead on leading truck, and then reduce the oscillating quantity of drilling rod in boring procedure, and effectively overcome the defect of existing structure, there is good technology and economic worth.
In the present embodiment, the right side of described left vertical plate (15) is provided with two junction plates (23), and these two junction plates are parallel with left vertical plate (15), and by corresponding screw (44) and the right panel face of this left vertical plate, fixes respectively; The position of two described junction plates (23) is corresponding one by one with two guide rails (2a) on drill boom (2), and these two guide rails (2a) are stuck between corresponding junction plate (23) and the right panel face of left vertical plate (15), thereby make together with the right panel face of left vertical plate (15) is slidably connected with two described guide rails (2a).
Adopt above structure, the present invention can be slidably connected the right panel face of left vertical plate (15) and described two guide rails (2a) easily, and left vertical plate (15) slides smooth and easy along two guide rails (2a), is difficult for occurring clamping stagnation, and simple in structure, implement easily.
As preferably, the length of described connecting pin (11b) extension is 4 to 5mm.Certainly, the length of connecting pin (11b) extension also can adjust accordingly as required, is not limited to the concrete numerical value in the present embodiment.
Described mount pad (7) left side is provided with dust shield (24), and this dust shield kink is in the bottom of described drilling rod (4); The outer wall of described dust shield (24) is fixedly connected with the left plate face of installing plate (25), two upright guide rails on the right panel face of this installing plate and described mount pad (7) left surface are slidably matched, and the right panel face of installing plate (25) is fixed with the left end of connector (26) simultaneously; The right-hand member of described connector (26) passes after the via hole on mount pad (7) left side wall, is fixedly connected with the piston rod of oil cylinder (27), and this oil cylinder (27) is vertically arranged in the inner chamber of mount pad (7);
The lower port of described dust shield (24) is dust suction import, dust suction outlet on this dust shield outer wall is connected with the dust suction import of primary dust removing device (29) by the first tracheae (28), the lower port of this primary dust removing device is slag-drip opening, and primary dust removing device (29) is installed in the bottom of described drill boom (2); The dust suction outlet of described primary dust removing device (29) is connected with the dust suction import of secondary ash collector (31) by the second tracheae (30), the lower port of this secondary ash collector is slag-drip opening, and secondary ash collector (31) is installed on described main frame (1).
Owing to can producing a large amount of dusts and dregs in drilling rod (4) boring procedure, when traditional high-speed hydraulic drilling machine is holed, usually dust is existed everywhere, and has so both been unfavorable for environmental protection, easily affects again operator's sight line.In order to overcome the defect of traditional high-speed hydraulic drilling machine, the present invention has set up dust shield (24), primary dust removing device (29) and secondary ash collector (31) on the basis of traditional structure, and the outlet of the dust suction on dust shield (24) outer wall is connected with the dust suction import of primary dust removing device (29) by the first tracheae (28), the dust suction outlet of primary dust removing device (29) is connected with the dust suction import of secondary ash collector (31) by the second tracheae (30).
In said structure, described secondary ash collector carries power source on (31), under the effect of this power source, in secondary ash collector (31), primary dust removing device (29) and dust shield (24), produce negative pressure, the dust and the dregs that during boring, in hole, produce are drawn onto in dust shield (24) under suction function, and dust and dregs in dust shield (24) are drawn onto in primary dust removing device (29) by the first tracheae (28).In primary dust removing device (29), larger dust granule and dregs are filtered, dust granule and dregs larger after filtration are discharged from the slag-drip opening of primary dust removing device (29), and little dust granule and dregs are drawn onto in secondary ash collector (31) by the second tracheae (30).In secondary ash collector (31), little dust granule and dregs are filtered, and the little dust granule after filtration and dregs are discharged from the slag-drip opening of secondary ash collector (31), thereby reach dedusting object.
In the present invention, described primary dust removing device (29) consists of outer case of dust remover (29a) and first round fetus in fetus (29b), wherein outer case of dust remover (29a) consists of the cylindrical portion on top and the conus portion of bottom, wherein the upper port of cylindrical portion is closed, at this closing end, be provided with described dust suction outlet, and the outer wall of cylindrical portion is provided with described dust suction import, and dust suction import and dust suction outlet all communicates with the inner chamber of outer case of dust remover (29a);
Described conus portion is up big and down small, its lower port is the slag-drip opening of described primary dust removing device (29), at this slag-drip opening place, be installed with described first round fetus in fetus (29b), and the axial line of first round fetus in fetus overlaps with the axial line of outer case of dust remover (29a).
Adopt above structure, first round fetus in fetus (29b) shrinkage strain under suction function, thus the slag-drip opening of outer case of dust remover (29a) is closed; Be drawn onto the interior dust of outer case of dust remover (29a) and dregs around the inwall rotation of this outer case of dust remover, large dust granule and dregs fall to the slag-drip opening of outer case of dust remover (29a) at Action of Gravity Field, and by self weight by the centre bore distending of first round fetus in fetus (29b), thereby by this distending place, be discharged to outside outer case of dust remover (29a).Yet less dust granule and dregs, because own wt is lighter, just can not be discharged to outside outer case of dust remover (29a), but are drawn onto under suction function in described secondary ash collector (31).
In the present invention, described secondary ash collector (31) comprises shell (31a) and filter core (3lg), the opening at its housing (31a) top is sealed by top board (31b), and the slag-drip opening that the lower port of shell is described secondary ash collector, at this slag-drip opening place, be installed with the second tube (31c), and the axial line of the second tube overlaps with the axial line of shell (31a);
The inner chamber of described shell (31a) is separated into separate upper cavity and lower chamber by division board (31d), dust absorption fan (31e) is wherein housed in upper cavity, this dust absorption fan is solidly set on the output shaft lower end of hydraulic motor (31f), and hydraulic motor is arranged on described top board (31b); On the shell (31a) on described dust absorption fan (31e) side, have cleaned air outlet, this cleaned air outlet communicates with the upper cavity of shell (31a) inner chamber;
On described division board (31d), be densely covered with installing hole, each is fitted with respectively a described filter core (31g) in installing, the upper face laminating of the limited step of this filter core upper end and division board (31d), and the filter screen part of filter core (31g) is arranged in the lower chamber of shell (31a) inner chamber; The lower chamber of described shell (31a) inner chamber communicates with the upper cavity of this shell inner cavity by the filter opening on filter core (31g) filter screen and centre bore, and the bottom of shell (31a) outer wall is provided with described dust suction import, this dust suction import communicates with the lower chamber of shell (31a) inner chamber.
Adopt above structure, the second tube (31c) shrinkage strain under suction function, thus the slag-drip opening of shell (31a) is closed; The little dust and the dregs that are inhaled in shell (31a) are filtered out by the filter opening on described filter core (31g) filter screen, the little dust being filtered and dregs Action of Gravity Field fall to the slag-drip opening of shell (31a), and by self weight by the centre bore distending of the second tube (31c), thereby by this distending place, be discharged to outside shell (31a).Meanwhile, the air filtering out after dust and dregs is cleaned air, and this cleaned air is discharged to outside shell (31a) by the cleaned air outlet on shell (31a).
Cleaned air outlet on described shell (31a) can be sealed by valve shield (31h), the connecting rod of this valve shield passes after the via hole on shell (31a), be fixedly connected with one end of connecting rod (31k), the piston rod of the other end of this connecting rod and cylinder (31m) is hinged, and the outer wall of the cylinder sleeve of cylinder (31m) and described shell (31a) is hinged;
In the upper cavity of described shell (31a) inner chamber, an electromagnetic valve group is housed, this electromagnetic valve group consists of four electromagnetic valves (31x), the inlet end of these four electromagnetic valves (31x) is connected with the screw air compressor (32) on described main frame (1) by air inlet pipe, and the outlet side of each electromagnetic valve (31x) is connected to four escape pipes, these four escape pipes insert respectively the centre bore top of a described filter core (31g) filter screen.
After dedusting a period of time, the filter screen external surface of filter core (31g) can be stained with a large amount of dusts, will affect efficiency of dust collection like this.Now, first by cylinder (31m), controlling valve shield (31h) rotates, thereby by the cleaned air outlet sealing on shell (31a), by screw air compressor (32) and electromagnetic valve group, in the centre bore of filter core (31g), squeeze into gases at high pressure again, thereby the dust on filter screen external surface is blown off, so just can effectively improve efficiency of dust collection.
Described chain (11) is double strand chain, described drive sprocket (36) and driven sprocket (46) are also corresponding duplex chain wheel, wherein driven sprocket (46) is sleeved on driven shaft (45) above, and this driven shaft (45) is arranged on the top of described drill boom (2) by bearing; Described drive sprocket (36) and gear wheel (35) are sleeved on driving shaft (34) side by side, this driving shaft by bearings on described casing (6), and gear wheel (35) meshes with the pinion (33) on described lifting motor (12) output shaft, and promote motor (12), is arranged on casing (6).
Adopt above structure, the object that the present invention installs for convenience and keeps in repair has been adjusted the installation site of described lifting motor (12), and move on to the casing (6) of this drill boom lower end promoting the top of motor (12) from drill boom (2), so just by little change, solve original structure and installed and keeped in repair all inconvenient defect.
Beneficial effect: the advantage that the present invention has is as follows:
1, a left side half segment sync that leading truck of the present invention can be followed chain by leading truck follower moves up and down, and drilling rod is also followed a left side half segment sync of chain and is moved, so just make leading truck and drilling rod synchronizing moving, and by the fairlead on leading truck, drilling rod is had preferably and led, reduce the oscillating quantity of drilling rod in boring procedure, effectively overcome the defect of existing structure;
2, the present invention can realize dedusting by primary dust removing device and secondary ash collector, during boring, can not occur as before the situation that dust is existed everywhere, and has both been conducive to protection of the environment, does not affect again operator's sight line, guarantees normally carrying out of construction;
3, adjusted the installation site of described lifting motor, and the casing (6) that it is moved on to drill boom (2) lower end by original drill boom (2) top is upper, facilitates like this and install and maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of drill boom 2 in Fig. 1;
Fig. 3 is the rear elevation of Fig. 2;
Fig. 4 is that the A-A of leading truck 13 in Fig. 2 is to cutaway view Amplified image;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is the partial enlarged drawing of C part in Fig. 4;
Fig. 7 is the connection diagram of primary dust removing device 29 and secondary ash collector 31 in Fig. 1;
Fig. 8 is the partial enlarged drawing of D part in Fig. 7;
Fig. 9 is the scheme of installation of dust shield 24 in Fig. 2;
Figure 10 is the outline drawing of casing 6 in Fig. 2;
Figure 11 is the sectional view of Figure 10.
In the above accompanying drawing, the component names of each mark is as follows:
1-main frame, 2-drill boom, 3-locating rack, 4-drilling rod, 5-positioning sleeve,
6-casing, 7-mount pad, 8-headstock, 9-rotation motor, 10-planker,
11-chain, 12-promote motor, 13-leading truck, 14-fairlead, the left vertical plate of 15-,
The right vertical plate of 16-, 17-attachment screw, 18-chain hold plate, the hinged cover of 19-, 20-swing arm, 21-steady pin, 22-block, 23-junction plate, 24-dust shield, 25-installing plate,
26-connector, 27-oil cylinder, 28-the first tracheae, 29-primary dust removing device, 30-the second tracheae,
31-secondary ash collector, 32-screw air compressor, 33-pinion, 34-driving shaft, 35-gear wheel, 36-drive sprocket, 37-swing arm, 38-boom cylinder, 39-bucket arm cylinder,
40-rubber sleeve, 41-the second leading truck, 42-the second fairlead, 43-the second block, 44-screw, 45-driven shaft, 46-driven sprocket
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Fig. 1 to 11, this high-speed hydraulic drilling machine is mainly by main frame 1, drill boom 2, locating rack 3, drilling rod 4, positioning sleeve 5, casing 6, mount pad 7, headstock 8, rotation motor 9, planker 10, chain 11, promote motor 12, leading truck 13, fairlead 14, leading truck follower, dust shield 24, installing plate 25, connector 26, oil cylinder 27, the first tracheae 28, primary dust removing device 29, the second tracheae 30, secondary ash collector 31, screw air compressor 32, pinion 33, driving shaft 34, gear wheel 35, drive sprocket 36, swing arm 37, boom cylinder 38, bucket arm cylinder 39 and rubber sleeve 40 form.Wherein the basic existing structure that adopts of main frame 1, is installed with described screw air compressor 32 in the front portion of this main frame 1.
As shown in Figure 1, 2, described drill boom 2 is vertically arranged on the place ahead of main frame 1, and this drill boom 2 is connected with main frame 1 with bucket arm cylinder 39 by described swing arm 37, boom cylinder 38, and their syndeton is existing structure, at this, does not repeat.And, before and after the left surface of described drill boom 2, being provided with side by side two guide rail 2a, these two guide rail 2a are along the length direction setting of drill boom 2.
The bottom of described drill boom 2 left surfaces is installed with locating rack 3, in the front portion of locating rack 3, is installed with positioning sleeve 5, and these positioning sleeve 5 kinks, outside described drilling rod 4, and position drilling rod 4.The lower surface of described drill boom 2 be fixedly connected sequentially from top to bottom casing 6 and mount pad 7.
As shown in Fig. 1,2,3,10 and 11, on above-mentioned casing 6, be provided with and promote motor 12, on the output shaft that promotes motor 12, be installed with pinion 33, this pinion 33 meshes with described gear wheel 35, thereby reaches the object of deceleration.On above-mentioned casing 6, by bearing, be supported with driving shaft 34, be installed with above-mentioned gear wheel 35 and drive sprocket 36 on this driving shaft 34, wherein drive sprocket 36 is connected with driven sprocket 46 by chain 11.As preferably, described chain 11 is double strand chain, and drive sprocket 36 and driven sprocket 46 are also corresponding duplex chain wheel.Above-mentioned driven sprocket 46 is solidly set on driven shaft 45, and this driven shaft 45 is bearing in the top of described drill boom 2 by bearing.And, from Fig. 3, can find out significantly, described drive sprocket 36 and driven sprocket 46 are separated into left half section and right half section by chain 11.
Described drilling rod 4 is positioned at the left side of drill boom 2, and parallel with the guide rail 2a on this drill boom 2, and the upper end of drilling rod 4 is coaxially fixedly connected with the output shaft of headstock 8, and drilling rod 4 can be removed from headstock 8 while needing.The input of above-mentioned headstock 8 is connected with rotation motor 9, and rotation motor 9 drives drilling rod 4 to rotate by headstock 8.In addition, described headstock 8 is fixed on the left plate face of planker 10, and this planker 10 is slidably connected with two guide rail 2a on drill boom 2, and half section, a left side for planker 10 and while chain 11 is connected, and planker 10 is existing structure with the syndeton of chain 11, at this, do not repeat.Can find out thus, described planker 10 moves up and down along two guide rail 2a on drill boom 2 under the drive that promotes motor 12 and chain 11, thereby drives drilling rod 4 to move up and down together, and drilling rod 4 rotates under the driving of described rotation motor 9.
From Fig. 1 to 5, can find out, described leading truck 13 left parts are installed with fairlead 14, and this 14 while of fairlead kink is on described drilling rod 4.Main inventive point as the technical program, between described leading truck 13 and drill boom 2, be provided with leading truck follower, this leading truck follower holds plate 18, hinged cover 19, swing arm 20, steady pin 21, block 22 and screw 23 by left vertical plate 15, right vertical plate 16, attachment screw 17, chain and forms.
Wherein, above-mentioned left vertical plate 15 is parallel with described chain 11, and the left plate face of this left vertical plate 15 is vertical with the right-hand member of described leading truck 13 and be fixedly connected with, and two guide rail 2a on the right panel face of left vertical plate 15 and described drill boom 2 are slidably connected.
In the present invention, the right side of described left vertical plate 15 is provided with two junction plates 23, and these two junction plates 23 are parallel with left vertical plate 15, and two junction plates 23 are fixed by corresponding screw 44 and the right panel face of this left vertical plate 23 respectively.The position of two described junction plates 23 is corresponding one by one with two guide rail 2a on drill boom 2, and these two guide rail 2a are stuck between corresponding junction plate 23 and the right panel face of left vertical plate 15, so just make together with the right panel face of left vertical plate 15 is slidably connected with described two guide rail 2a.
As shown in Fig. 4 and 5, between two guide rail 2a of described right vertical plate 16 on drill boom 2, and this right vertical plate 16 is parallel with described left vertical plate 15.And described left vertical plate 15 and right vertical plate 16 are fixed together by attachment screw 17, and the gap of passing between this left vertical plate 15 and right vertical plate 16, half section, a left side for described chain 11.
From Fig. 1 to 5, can find out, between half section, the left side of described left vertical plate 15 and chain 11, be provided with chain and hold plate 18, this chain holds plate 18 by the holding section 18a at rear portion, the articulated section 18b at middle part and anterior auxiliary section 18c form.Wherein, the right lower quadrant of described holding section 18a has half slot (unmarked in figure), and the be connected guide 11a of the size and location of this half slot and described chain 11 on left half section adapts, and described half slot can be connected with this guide 11a clamping and coordinates.In addition, on described left vertical plate 15, have a square resigning hole 15a, the corresponding described holding section 18a in the position of this resigning hole 15a, and the effect of resigning hole 15a is that holding section 18a is stepped down, and avoids producing movement interference.
The outer hinged female connector 19 of empty set of described articulated section 18b, the right panel face of the outer wall of this hinged cover 19 and described left vertical plate 15 is fixed.Described auxiliary section 18c right lower quadrant has arc notch (unmarked in figure), and this arc notch is positioned at the top of described holding section 18a half slot.The chain 11 of above-mentioned arc notch below has a connecting pin 11b to extend forward on left half section, and form an extension, the length of this extension is 4 to 5mm, and this extension can coordinate with the arc notch clamping on the 18c of auxiliary section, thereby restriction chain holds the rotational angle of plate 18.
From Fig. 1 to 5, can further find out, described chain holds plate 18 tops and is provided with swing arm 20, and the auxiliary section 18c end face that above-mentioned chain holds plate 18 can be collided in the rear end of this swing arm 20, thereby drive chain to hold plate 18, rotates.The middle part of described swing arm 20 is sleeved on the left part of steady pin 21, and swing arm 20 can rotate around this steady pin 21.Above-mentioned steady pin 21 is vertical with left vertical plate 15, and the front surface of the right part of steady pin 21 and described right vertical plate 16 is fixed.Between described swing arm 20 and locating rack 3, be provided with a block 22, and the front end of swing arm 20 can collide the end face of this block.Described block 22 is near locating rack 3, and the rear end of this block 22 is unsettled, and the rear surface of the front end of block 22 and described drill boom 2 forward track is fixed.
As shown in Figure 1, 2, be provided with the second leading truck 41 between described leading truck 13 and locating rack 3, the left part of this second leading truck 41 is installed with the second fairlead 42, and the second 42 while of fairlead kink is on described drilling rod 4.In addition, the corresponding second leading truck follower that is provided with between described the second leading truck 41 and drill boom 2, the structure of this second leading truck follower is identical with the structure of described leading truck follower, and the second leading truck follower and leading truck follower are separately positioned on the front and back side of described drilling rod 4.In addition, the second block 43 in the second leading truck follower is located at the below of described block 22, and the top of close described locating rack 3.And the front end of described the second block 43 is unsettled, the front surface of the rear end of this second block 43 and described drill boom 2 back track is fixed.
From Fig. 1,2,7,8 and 9, can find out, the left side of described mount pad 7 is provided with dust shield 24, and this dust shield 24 is cylindrical structure, its upper port sealing, and dust shield 24 kinks are in the bottom of described drilling rod 4.And the lower port of dust shield 24 is dust suction import, in dust suction import department, be installed with a rubber sleeve 40, the axial line of this rubber sleeve 40 overlaps with the axial line of dust shield 24.Drilling rod 4 is in boring procedure, and described dust shield 24 and rubber sleeve 40 supports on the ground, and the effect of rubber sleeve 40 is that the dust producing in boring procedure and dregs are sealed, and prevents that them from flying around.
The outer wall of described dust shield 24 is fixedly connected with the left plate face of installing plate 25 by junction plate (not shown in FIG.), two upright guide rails on the right panel face of this installing plate 25 and described mount pad 7 left surfaces are slidably matched, and the right panel face of installing plate 25 is fixed with the left end of connector 26 simultaneously.The right-hand member of described connector 26 passes after the via hole on mount pad 7 left side walls, be fixedly connected with the piston rod of oil cylinder 27, this oil cylinder 27 is vertically arranged in the inner chamber of mount pad 7, so just can drive dust shield 24 to move up and down along the upright guide rail on mount pad 7 by oil cylinder 27 and connector 26.
From Fig. 1,2 and 7, can find out, dust suction outlet on described dust shield 24 sidewalls is connected with the dust suction import of primary dust removing device 29 by the first tracheae 28, and primary dust removing device 29 is installed on the rear of described drill boom 2 bottoms, and the lower port of primary dust removing device 29 is slag-drip opening.The dust suction outlet of described primary dust removing device 29 is connected with the dust suction import of secondary ash collector 31 by the second tracheae 30, and the lower port of this secondary ash collector 31 is slag-drip opening, and secondary ash collector 31 is installed in the front portion of described main frame 1.
From Fig. 1,2 and 7, can further find out, described primary dust removing device 29 consists of outer case of dust remover 29a and first round fetus in fetus 29b, wherein outer case of dust remover 29a consists of the cylindrical portion on top and the conus portion of bottom, and wherein the upper port of cylindrical portion is closed, at this closing end, is provided with described dust suction outlet.The outer wall of above-mentioned cylindrical portion is provided with described dust suction import, and dust suction import and dust suction outlet all communicates with the inner chamber of outer case of dust remover 29a.
Described conus portion is up big and down small, its lower port is the slag-drip opening of described primary dust removing device 29, at this slag-drip opening place, be installed with described first round fetus in fetus 29b, the inner tube of a tyre that this first round fetus in fetus is doughnut, and the axial line of first round fetus in fetus 29b overlaps with the axial line of outer case of dust remover 29a.
From Fig. 1,2,7 and 8, can find out, described secondary ash collector 31 mainly consists of shell 31a, top board 31b, the second tube 31c, division board 31d, dust absorption fan 31e, hydraulic motor 31f, filter core 3lg, valve shield 31h, connecting rod 31k, cylinder 31m and electromagnetic valve group 31x.Wherein, the opening at described shell 31a top is sealed by top board 31b, and the lower port of shell is the slag-drip opening of secondary ash collector 31, at this slag-drip opening place, be installed with the second tube 31c, the inner tube of a tyre that this second tube 31c is doughnut, and the axial line of the second tube 31c overlaps with the axial line of shell 31a.
In the inner chamber of described shell 31a, be installed with a division board 31d, this division board 31d is separated into separate upper cavity and lower chamber by the inner chamber of shell 31a, and dust absorption fan 31e is wherein housed in upper cavity.Described dust absorption fan 31e is solidly set on the output shaft lower end of hydraulic motor 31f, and hydraulic motor 31f is arranged on described top board 31b, and dust absorption fan 31e rotates under the drive of hydraulic motor 31f, thereby in the interior generation negative pressure of secondary ash collector 31, primary dust removing device 29 and dust shield 24, thereby by negative pressure, aspirate dust and the dregs that produce in boring procedure, so that dedusting.On the shell 31a on described dust absorption fan 31e side, have cleaned air outlet (unmarked in figure), this cleaned air outlet communicates with the upper cavity of shell 31a inner chamber.
As shown in Fig. 7 and 8, on described division board 31d, be densely covered with 16 installing holes, each is fitted with respectively a described filter core 3lg in installing, and this filter core 3lg is outsourcing piece, and the periphery of filter core 3lg upper end is provided with limited step.And the filter screen of described filter core 3lg has centre bore, and has filter opening on filter screen, and the bottom of filter screen is closed.The limited step of described filter core 3lg upper end and the laminating of the upper face of division board 31d, and the filter screen part of filter core 3lg is arranged in the lower chamber of shell 31a inner chamber.The lower chamber of described shell 31a inner chamber communicates with the upper cavity of this shell inner cavity by the filter opening on filter core 3lg filter screen and centre bore, and the bottom of shell 31a outer wall is provided with described dust suction import, and this dust suction import communicates with the lower chamber of shell 31a inner chamber.
From Fig. 7 and 8, can further find out, the cleaned air exit on described shell 31a is provided with valve shield 31h, and this valve shield 31h can be by cleaned air outlet sealing.The connecting rod of above-mentioned valve shield 31h passes after the via hole on shell 31a, is fixedly connected with one end of connecting rod 31k.The piston rod of the other end of described connecting rod 31k and cylinder 31m is hinged, and the outer wall of the cylinder sleeve of cylinder 31m and described shell 31a is hinged.
An electromagnetic valve group is housed in the upper cavity of described shell 31a inner chamber, and this electromagnetic valve group consists of four electromagnetic valve 31x, and the inlet end of these four electromagnetic valve 31x is connected with the screw air compressor 32 on described main frame 1 by air inlet pipe.And, described in each, the outlet side of electromagnetic valve 31x is connected to four escape pipes, these four escape pipes insert respectively the centre bore top of a described filter core 3lg filter screen, thereby by screw air compressor 32 and electromagnetic valve, in the centre bore of filter core 3lg filter screen described in each, squeeze into gases at high pressure, to blow the dust of filter core 3lg filter screen external surface off.
The foregoing is only preferred embodiment of the present invention, not take the present invention as restriction, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a high-speed hydraulic drilling machine, comprise main frame (1), promote motor (12) and leading truck (13), wherein main frame (1) the place ahead is vertically provided with drill boom (2), before and after the left surface of drill boom, be provided with side by side two guide rails (2a), this guide rail is along the length direction setting of drill boom (2); The bottom of described drill boom (2) left surface is installed with locating rack (3), in leading truck front portion, be installed with the positioning sleeve (5) to drilling rod (4) location, and the lower surface of drill boom (2) be fixedly connected sequentially from top to bottom casing (6) and mount pad (7);
Described drilling rod (4) is positioned at the left side of drill boom (2), and parallel with the guide rail (2a) on drill boom, the upper end of this drilling rod is coaxially fixedly connected with the output shaft of headstock (8), and the input of headstock (8) is connected with rotation motor (9), and headstock (8) is fixed on the left plate face of planker (10); Two guide rails (2a) on the right panel face of described planker (10) and drill boom (2) are slidably connected, this planker is connected with half section, the left side of chain (11) simultaneously, this chain is connected with driven sprocket (46) with drive sprocket (36) simultaneously, and chain (11) rotates under the drive of described lifting motor (12); Described leading truck (13) left part is installed with fairlead (14), this fairlead while kink is on described drilling rod (4), it is characterized in that: between described leading truck (13) and drill boom (2), be provided with leading truck follower, this leading truck follower comprises left vertical plate (15) and right vertical plate (16), wherein left vertical plate (15) is parallel with described chain (11), the left plate face of this left vertical plate and the right-hand member of described leading truck (13) are fixed, and two guide rails (2a) on the right panel face of left vertical plate (15) and described drill boom (2) are slidably connected; Described right vertical plate (16) is positioned between two guide rails (2a) on drill boom (2), and parallel with described left vertical plate (15), and left vertical plate and right vertical plate are fixed together by attachment screw (17), and the gap of passing between this left vertical plate (15) and right vertical plate (16), half section, a left side for described chain (11);
Between half section, a left side for described left vertical plate (15) and chain (11), be provided with chain and hold plate (18), this chain holds plate by the holding section (18a) at rear portion, the articulated section (18b) at middle part and anterior auxiliary section (18c) form, wherein the right lower quadrant of holding section (18a) has half slot, this half slot can coordinate with guide (11a) clamping that is connected on left half section of described chain (11), and resigning hole (15a) is located to have in the upper corresponding holding section (18a) of described left vertical plate (15); The hinged female connector of the outer empty set in described articulated section (18b) (19), the right panel face of the outer wall of this hinged cover and described left vertical plate (15) is fixed;
Described auxiliary section (18c) right lower quadrant has arc notch, this arc notch is positioned at the top of described holding section (18a) half slot, and there is a connecting pin (11b) to extend forward on left half section of the chain (11) of arc notch below, and forming extension, this extension can coordinate with the arc notch clamping on auxiliary section (18c); Described chain holds plate (18) top and is provided with swing arm (20), auxiliary section (18c) end face that chain holds plate (18) can be collided in this swing arm rear end, the middle part of swing arm (20) is sleeved on steady pin (21) left part, and swing arm can rotate around this steady pin (21), and the front surface of the right part of steady pin and described right vertical plate (16) is fixed; Between described swing arm (20) and locating rack (3), be provided with a block (22), and the front end of swing arm (20) can collide the end face of this block, and the rear end of block (22) is unsettled, and the rear surface of the front end of block (22) and described drill boom (2) forward track is fixed.
2. high-speed hydraulic drilling machine according to claim 1, it is characterized in that: the right side of described left vertical plate (15) is provided with two junction plates (23), these two junction plates are parallel with left vertical plate (15), and by corresponding screw (44) and the right panel face of this left vertical plate, fix respectively; The position of two described junction plates (23) is corresponding one by one with two guide rails (2a) on drill boom (2), and these two guide rails (2a) are stuck between corresponding junction plate (23) and the right panel face of left vertical plate (15).
3. high-speed hydraulic drilling machine according to claim 1 and 2, is characterized in that: the length of described connecting pin (11b) extension is 4 to 5mm.
4. high-speed hydraulic drilling machine according to claim 1, is characterized in that: described mount pad (7) left side is provided with dust shield (24), and this dust shield kink is in the bottom of described drilling rod (4); The outer wall of described dust shield (24) is fixedly connected with the left plate face of installing plate (25), two upright guide rails on the right panel face of this installing plate and described mount pad (7) left surface are slidably matched, and the right panel face of installing plate (25) is fixed with the left end of connector (26) simultaneously; The right-hand member of described connector (26) passes after the via hole on mount pad (7) left side wall, is fixedly connected with the piston rod of oil cylinder (27), and this oil cylinder (27) is vertically arranged in the inner chamber of mount pad (7);
The lower port of described dust shield (24) is dust suction import, dust suction outlet on this dust shield outer wall is connected with the dust suction import of primary dust removing device (29) by the first tracheae (28), the lower port of this primary dust removing device is slag-drip opening, and primary dust removing device (29) is installed in the bottom of described drill boom (2); The dust suction outlet of described primary dust removing device (29) is connected with the dust suction import of secondary ash collector (31) by the second tracheae (30), the lower port of this secondary ash collector is slag-drip opening, and secondary ash collector (31) is installed on described main frame (1).
5. high-speed hydraulic drilling machine according to claim 4, it is characterized in that: described primary dust removing device (29) consists of outer case of dust remover (29a) and first round fetus in fetus (29b), wherein outer case of dust remover (29a) consists of the cylindrical portion on top and the conus portion of bottom, wherein the upper port of cylindrical portion is closed, at this closing end, be provided with described dust suction outlet, and the outer wall of cylindrical portion is provided with described dust suction import, and dust suction import and dust suction outlet all communicates with the inner chamber of outer case of dust remover (29a);
Described conus portion is up big and down small, its lower port is the slag-drip opening of described primary dust removing device (29), at this slag-drip opening place, be installed with described first round fetus in fetus (29b), and the axial line of first round fetus in fetus overlaps with the axial line of outer case of dust remover (29a).
6. according to the high-speed hydraulic drilling machine described in claim 4 or 5, it is characterized in that: described secondary ash collector (31) comprises shell (31a) and filter core (31g), the opening at its housing (31a) top is sealed by top board (31b), and the slag-drip opening that the lower port of shell is described secondary ash collector, at this slag-drip opening place, be installed with the second tube (31c), and the axial line of the second tube overlaps with the axial line of shell (31a);
The inner chamber of described shell (31a) is separated into separate upper cavity and lower chamber by division board (31d), dust absorption fan (31e) is wherein housed in upper cavity, this dust absorption fan is solidly set on the output shaft lower end of hydraulic motor (31f), and hydraulic motor is arranged on described top board (31b); On the shell (31a) on described dust absorption fan (31e) side, have cleaned air outlet, this cleaned air outlet communicates with the upper cavity of shell (31a) inner chamber;
On described division board (31d), be densely covered with installing hole, each is fitted with respectively a described filter core (31g) in installing, the upper face laminating of the limited step of this filter core upper end and division board (31d), and the filter screen part of filter core (31g) is arranged in the lower chamber of shell (31a) inner chamber; The lower chamber of described shell (31a) inner chamber communicates with the upper cavity of this shell inner cavity by the filter opening on filter core (31g) filter screen and centre bore, and the bottom of shell (31a) outer wall is provided with described dust suction import, this dust suction import communicates with the lower chamber of shell (31a) inner chamber.
7. high-speed hydraulic drilling machine according to claim 6, it is characterized in that: the cleaned air outlet on described shell (31a) can be sealed by valve shield (31h), the connecting rod of this valve shield passes after the via hole on shell (31a), be fixedly connected with one end of connecting rod (31k), the piston rod of the other end of this connecting rod and cylinder (31m) is hinged, and the outer wall of the cylinder sleeve of cylinder (31m) and described shell (31a) is hinged;
In the upper cavity of described shell (31a) inner chamber, an electromagnetic valve group is housed, this electromagnetic valve group consists of four electromagnetic valves (31x), the inlet end of these four electromagnetic valves (31x) is connected with the screw air compressor (32) on described main frame (1) by air inlet pipe, and the outlet side of each electromagnetic valve (31x) is connected to four escape pipes, these four escape pipes insert respectively the centre bore top of a described filter core (31g) filter screen.
8. high-speed hydraulic drilling machine according to claim 4, it is characterized in that: described chain (11) is double strand chain, described drive sprocket (36) and driven sprocket (46) are also corresponding duplex chain wheel, wherein driven sprocket (46) is sleeved on driven shaft (45) above, and this driven shaft (45) is arranged on the top of described drill boom (2) by bearing; Described drive sprocket (36) and gear wheel (35) are sleeved on driving shaft (34) side by side, this driving shaft by bearings on described casing (6), and gear wheel (35) meshes with the pinion (33) on described lifting motor (12) output shaft, and promote motor (12), is arranged on casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210527686.0A CN102953694B (en) | 2012-12-10 | 2012-12-10 | High-speed hydraulic drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210527686.0A CN102953694B (en) | 2012-12-10 | 2012-12-10 | High-speed hydraulic drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953694A CN102953694A (en) | 2013-03-06 |
| CN102953694B true CN102953694B (en) | 2014-11-26 |
Family
ID=47763024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210527686.0A Active CN102953694B (en) | 2012-12-10 | 2012-12-10 | High-speed hydraulic drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102953694B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625955B (en) * | 2016-03-09 | 2018-10-23 | 浙江海聚科技有限公司 | A kind of method and device for realizing puncheon centralizing device and falling and promoted automatically |
| CN105863520B (en) * | 2016-05-13 | 2017-12-12 | 重庆勤牛工程机械有限责任公司 | A kind of drill boom assembly of high-speed hydraulic drilling machine |
| CN106246122A (en) * | 2016-08-31 | 2016-12-21 | 广东顺德孔山重工机械有限公司 | A kind of two-stage dry dust removal apparatus and there is the down-the-hole drill of this dust arrester |
| CN110486012A (en) * | 2019-07-25 | 2019-11-22 | 广西雷公斧重工有限公司 | Dust-collecting type splitting machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315966A (en) * | 1969-11-05 | 1973-05-09 | Victor Products Ltd | Extensible drilling machines |
| US4117894A (en) * | 1977-05-04 | 1978-10-03 | Mining Equipment Division, A Division Of Fmc Corporation | Drill steel guide for a mine drilling machine |
| FI64837C (en) * | 1982-08-31 | 1984-02-09 | Tampella Oy Ab | BORRSTYRNING FOER EN APPARAT FOER SKARVSTAONGSBORRNING |
| JP4660447B2 (en) * | 2006-09-19 | 2011-03-30 | 株式会社奥村組 | Drilling device with guide rod |
| CN102155156B (en) * | 2011-01-24 | 2012-11-28 | 重庆勤牛工程机械有限责任公司 | High-speed hydraulic drilling machine |
| CN201953328U (en) * | 2011-01-24 | 2011-08-31 | 重庆勤牛工程机械有限责任公司 | Drill stem guide mechanism of drilling machine |
| CN202510064U (en) * | 2012-03-02 | 2012-10-31 | 重庆宝爵机械设备有限公司 | Drilling machine drill rod lower guide mechanism |
| CN203050569U (en) * | 2012-12-10 | 2013-07-10 | 重庆勤牛工程机械有限责任公司 | High-speed hydraulic drilling rig |
-
2012
- 2012-12-10 CN CN201210527686.0A patent/CN102953694B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953694A (en) | 2013-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102953694B (en) | High-speed hydraulic drill | |
| CN203050569U (en) | High-speed hydraulic drilling rig | |
| CN212318065U (en) | Coal mine electromechanical equipment for coal mining | |
| CN103161415B (en) | Negative pressure drilling system | |
| CN203050570U (en) | Guide frame follow-up mechanism on high-speed hydraulic drilling rig | |
| CN104533279B (en) | All-hydraulic double dynamical combined type myriametre rig | |
| CN105756678B (en) | Cantilever carrying type servicing unit and its method of work and application | |
| CN102953695B (en) | Guide frame following mechanism on high-speed hydraulic drill | |
| CN112832678A (en) | Full-automatic intelligent remote control drill carriage | |
| CN102518405B (en) | Integrated vacuum negative-pressure three-level dust removal system | |
| CN203939464U (en) | Novel land rig quadruple board platform pipe system | |
| CN109025837A (en) | Stand supports Pneumatic hand drilling machine | |
| CN213101200U (en) | Drilling machine with dust collector | |
| CN203271644U (en) | Negative pressure drilling system for preventing transfinite gas | |
| CN107806330A (en) | Environment-friendly type complexity sand-pebble layer core drilling rig | |
| CN201047598Y (en) | Revolving furnace smoke canal pressure sampling mouth dredgingdevice | |
| CN113565437A (en) | Drilling machine for mining | |
| CN210003221U (en) | sectional drill rod docking equipment | |
| CN209457864U (en) | A kind of mining guide tracked emulsion boring machine | |
| CN109469454A (en) | A kind of drilling machine slagging-off double dust collection device | |
| CN215170106U (en) | Convenient colliery of dismantling is protector for tunnelling | |
| CN109759624A (en) | A kind of alloy processing drill | |
| CN216198280U (en) | Accumulated water suction device for engineering construction of TBM (tunnel boring machine) water delivery tunnel | |
| CN203808888U (en) | Negative-pressure anti-dust device | |
| CN220125827U (en) | Coal exploitation dust device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |