CN203570212U - Adjustable drilling machine support - Google Patents
Adjustable drilling machine support Download PDFInfo
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- CN203570212U CN203570212U CN201320667450.7U CN201320667450U CN203570212U CN 203570212 U CN203570212 U CN 203570212U CN 201320667450 U CN201320667450 U CN 201320667450U CN 203570212 U CN203570212 U CN 203570212U
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Abstract
An adjustable drilling machine support is composed of a front support, a chain wheel type lifting mechanism, an adjusting sliding block, an adjusting support, a rear support, a sliding support and a supporting frame. According to the position requirement for a drilled hole of a coal mine drilling machine, the drilling machine support can adjust the height of the right end of the sliding support through the chain wheel type lifting mechanism and the adjusting sliding block according to the position requirement for a drilled hole of a coal mine drilling machine, the height of the left end of the supporting frame through an adjusting shaft II, the height of the adjusting support is adjusted through a pin shaft I, and the height of the adjusting support is finely adjusted through an adjusting shaft I. The sliding support is used for supporting the front portion of the drilling machine and locating the drilling machine at a proper position through a sliding holding mechanism on the sliding support, the supporting frame is used for supporting the rear portion of the drilling machine, the drilling machine can be used for drilling a vertical hole, a transverse hole and an inclined hole by adjusting the rotating angle of an angle adjusting wheel, and the drilling machine can be used for drilling other directional holes by adjusting the angle of a rotary base plate of the front support. The adjustable drilling machine support has the advantages that the drilling machine can drill holes in mine tunnels in a multidirectional and multi-angle mode, and work efficiency is high.
Description
Technical field
The utility model relates to a kind of support, and particularly a kind of adjustable drilling machine support, is applied to mine down-hole, drill hole of drilling machine.
Background technology
At present, under coal mine, drilling work is holding up rig to complete by people, and workman's labour intensity is larger, and the orientation of drilling is also restricted.
Utility model content
The purpose of this utility model is: design a kind of adjustable drilling machine support simple in structure, this rig bracket angle orientation is adjustable, rapid operation, convenience, and accurate positioning, efficiency is high, for overcoming the deficiencies in the prior art.
The purpose of this utility model can realize by following technical proposals:
This adjustable drilling machine support, by front support, sprocket-type elevating mechanism, adjusting slider, regulate and support, rear support, sliding support and bracing frame form, it is characterized in that: described front support is by front support seat, front support pipe, gripper shoe, rotating bottom board, two front support channel-section steels and rotating shaft screw bolt form, in front support seat, there is front support pipe, gripper shoe is fixed on front support pipe, two front support channel-section steel openings are inwardly symmetricly set on rotating bottom board, on two front support channel-section steels, be provided with coaxial some to front support adjustment hole, rotating bottom board is being adjusted after angle according to the direction of rig drilling, by rotating shaft screw bolt, be fixed in gripper shoe, described sprocket-type elevating mechanism is by two pairs of elevating mechanism supports, two sprocket shafts, 4 sprocket wheels, two chains and driving wheel form, two pairs of elevating mechanism supports are arranged on the upper of two front support channel-section steels by some erection bolt I, lower two ends, two sprocket shafts are respectively by two pairs of parallel being fixed between two front support channel-section steels of elevating mechanism support, and lay respectively at the upper of two front support channel-section steels, lower end positions, wherein, the one end that is positioned at the sprocket shaft of two front support channel-section steel lower ends is also provided with driving wheel, the two ends of every sprocket shaft are provided with a sprocket wheel, and be positioned on two sprocket wheels at every front support channel-section steel place a chain is installed, every chain is in the part that is positioned at every front support channel-section steel, on its center line and this part front support channel-section steel, the center line of some front support adjustment holes at grade, adjusting slider is arranged between two front support channel-section steels, its two ends lay respectively in the groove of two front support channel-section steels, and be connected on two chains, the height that adjusting slider need to be located according to described sliding support, is positioned at a pair of front support adjustment hole place at two front support channel-section steel corresponding height places by its positioning element, described adjusting is supported by regulating supporting seat, straddle, sleeve, regulating sleeve, regulating shaft I, regulate support connecting piece and regulate support connecting piece fixed head to form, regulate on supporting seat and be welded with straddle, on straddle and sleeve, be all provided with some adjustment holes, straddle is inserted in sleeve, adjust after height, at straddle and the corresponding adjustment hole place of sleeve, by bearing pin I, fix, the upper end of sleeve is provided with regulating sleeve, the inside of regulating sleeve is provided with internal thread, the lower end of regulating shaft I is provided with external screw thread, in the lower end of regulating shaft I is passed through, external screw thread is connected with regulating sleeve, the upper end of regulating shaft I is connected with regulating support connecting piece by bearing pin, regulate support connecting piece to be fixed on and regulate on support connecting piece fixed head, described rear support is comprised of rear support seat, two rear support posts and regulating shaft II, two rear support posts are symmetricly set on rear support seat, on two rear support posts, be provided with coaxial some to rear support adjustment hole, the height that regulating shaft II need to be located according to support frame as described above, be arranged in a pair of rear support adjustment hole at two rear support post corresponding height places, so that positioning supporting frame, described sliding support is by sliding rail, two track baffle plates and slip hold-fast body form, sliding rail is be arranged in parallel and is formed by two channel members, the bottom of sliding support right-hand end is connected with the middle part that is arranged on two adjusting sliders between front support channel-section steel, at the left end bottom position of sliding rail, install and regulate support connecting piece fixed head, two track baffle plates are installed on respectively a left side for sliding rail by some erection bolt II, right two ends, wherein, be arranged on the track baffle plate of sliding rail left end and be also provided with installing hole, slip hold-fast body is arranged on sliding rail, and regulate on sliding rail behind residing position, by bearing pin II, located, support frame as described above supports channel-section steel by rig, after rig, seat supports and rig back seat support floor composition, the left-hand end that rig supports channel-section steel is vertically fixed with seat supports after rig, rig back seat supports floor one end and is fixed on after rig in seat supports, its other end is fixed on rig and supports on channel-section steel, the right-hand member that rig supports channel-section steel is welded with angle steel, angle steel is provided with installing hole, the left end of support frame as described above is positioned at the regulating shaft II place of rear support, the right-hand member of bracing frame is connected with the track baffle plate of the sliding rail left end of sliding support with erection bolt III by the angle steel of its right-hand member.
Adjusting slider described in the utility model is by regulating shaft III, two slide block I, angular adjustment wheel location-plate, angular adjustment wheel and adjusting axle sleeve form, in regulating shaft III, from left to right be coated with successively first slide block I, angular adjustment wheel location-plate, angular adjustment wheel, regulate axle sleeve and second slide block I, wherein, angular adjustment wheel location-plate welds mutually with first slide block I, regulate the left end and the welding mutually of angular adjustment wheel of axle sleeve, the side of adjusting axle sleeve is welded on the bottom of sliding rail right-hand end, two slide block I are loaded on respectively in the groove of two front support channel-section steels, and be connected on two chains of sprocket-type elevating mechanism, angular adjustment wheel location-plate is provided with some dowel holes, on angular adjustment wheel, there is locating hole, angular adjustment wheel rotates to after suitable angle, by the locating hole on it and alignment pin, be fixed on the dowel hole place corresponding with locating hole on angular adjustment wheel location-plate, described adjusting slider is positioned at a pair of front support adjustment hole place at two front support channel-section steel corresponding height places by its regulating shaft III.
Slip hold-fast body of the present utility model consists of slide block II, two pulley spindles, 4 pulleys, adapter sleeve support and adapter sleeves, the bottom of slide block II is provided with two pulley spindles, the two ends of every pulley spindle are provided with a pulley, the top of slide block II is provided with adapter sleeve support, there is adapter sleeve the upper end of adapter sleeve support, fastening bolt is housed on adapter sleeve, and slide block II is arranged in sliding rail, and is located by bearing pin II.
The utility model has the advantages that: 1) simple in structure, angle orientation is adjustable, can greatly shorten and move brill, surely bore the engineering time; 2) rapid operation, convenience, accurate positioning, efficiency is high; 3) realized that underworkings is multi-faceted, multi-angle drilling, improved the operating efficiency of drilling, shortened the engineering time of whole prospecting bit.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 is the A-A line sectional view of Fig. 1;
Fig. 3 is the B-B line sectional view of Fig. 2;
Fig. 4 is the C portion enlarged drawing of Fig. 2;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is that the D of Fig. 4 is to view;
Fig. 7 is adjusting slider structural representation;
Fig. 8 is the left TV structure schematic diagram of Fig. 7;
Fig. 9 is slip hold-fast body structural representation.
The specific embodiment
As shown in Fig. 1-9, this adjustable drilling machine support, by front support, sprocket-type elevating mechanism, adjusting slider, regulate and support, rear support, sliding support and bracing frame form, it is characterized in that: described front support is by front support seat 1, front support pipe 2, gripper shoe 3, rotating bottom board 4, two front support channel-section steels 5 and rotating shaft screw bolt 8 form, in front support seat 1, there is front support pipe 2, gripper shoe 3 is fixed on front support pipe 2, two front support channel-section steel 5 openings are inwardly symmetricly set on rotating bottom board 4, on two front support channel-section steels 5, be provided with coaxial some to front support adjustment hole 6, rotating bottom board 4 is being adjusted after angle according to the direction of rig drilling, by rotating shaft screw bolt 8, be fixed in gripper shoe 3, described sprocket-type elevating mechanism is by two pairs of elevating mechanism supports 7, two sprocket shafts 10, 4 sprocket wheels 9, two chains 11 and driving wheel 12 form, two pairs of elevating mechanism supports 7 are arranged on the upper of two front support channel-section steels 5 by some erection bolt I 22, lower two ends, two sprocket shafts 10 are respectively by two pairs of parallel being fixed between two front support channel-section steels 5 of elevating mechanism support 7, and lay respectively at the upper of two front support channel-section steels 5, lower end positions, wherein, the one end that is positioned at the sprocket shaft 10 of two front support channel-section steel 5 lower ends is also provided with driving wheel 12, the two ends of every sprocket shaft 10 are provided with a sprocket wheel 9, and be positioned on two sprocket wheels 9 at every front support channel-section steel 5 places a chain 11 is installed, every chain 11 is in the part that is positioned at every front support channel-section steel 5, on its center line and this part front support channel-section steel 5, the center line of some front support adjustment holes 6 at grade, adjusting slider is arranged between two front support channel-section steels 5, its two ends lay respectively in the groove of two front support channel-section steels 5, and be connected on two chains 11, the height that adjusting slider need to be located according to described sliding support, is positioned at a pair of front support adjustment hole 6 places at two front support channel-section steels, 5 corresponding height places by its positioning element, described adjusting is supported by regulating supporting seat 26, straddle 27, sleeve 28, regulating sleeve 29, regulating shaft I 30, regulate support connecting piece 25 and regulate support connecting piece fixed head 23 to form, regulate on supporting seat 26 and be welded with straddle 27, on straddle 27 and sleeve 28, be all provided with some adjustment holes, straddle 27 is inserted in sleeve 28, adjust after height, at straddle 27 and the corresponding adjustment hole place of sleeve 28, fixing by bearing pin I 31, the upper end of sleeve 28 is provided with regulating sleeve 29, the inside of regulating sleeve 29 is provided with internal thread, the lower end of regulating shaft I 30 is provided with external screw thread, in the lower end of regulating shaft I 30 is passed through, external screw thread is connected with regulating sleeve 29, the upper end of regulating shaft I 30 is connected with regulating support connecting piece 25 by bearing pin, regulate support connecting piece 25 to be fixed on and regulate on support connecting piece fixed head 23, described rear support is comprised of rear support seat 37, two rear support posts 38 and regulating shaft II 45, two rear support posts 38 are symmetricly set on rear support seat 37, on two rear support posts 38, be provided with coaxial some to rear support adjustment hole 44, the height that regulating shaft II 45 need to be located according to support frame as described above, be arranged in a pair of rear support adjustment hole 44 at two rear support posts, 38 corresponding height places, so that positioning supporting frame, described sliding support is by sliding rail 20, two track baffle plates 21 and slip hold-fast body form, sliding rail 20 is be arranged in parallel and is formed by two channel members, the bottom of sliding support right-hand end is connected with the middle part that is arranged on two adjusting sliders between front support channel-section steel 5, at the left end bottom position of sliding rail 20, install and regulate support connecting piece fixed head 23, two track baffle plates 21 are installed on respectively a left side for sliding rail 20 by some erection bolt II 43, right two ends, wherein, be arranged on the track baffle plate 21 of sliding rail 20 left ends and be also provided with installing hole 24, slip hold-fast body is arranged on sliding rail 20, and regulate on sliding rail 20 behind residing position, by bearing pin II 46 location, support frame as described above supports channel-section steel 39 by rig, after rig, seat supports 40 and rig back seat support floor 41 compositions, the left-hand end that rig supports channel-section steel 39 is vertically fixed with seat supports 40 after rig, rig back seat supports floor 41 one end and is fixed on after rig in seat supports 40, its other end is fixed on rig and supports on channel-section steel 39, the right-hand member that rig supports channel-section steel 39 is welded with angle steel 42, angle steel 42 is provided with installing hole, the left end of support frame as described above is positioned at regulating shaft II 45 places of rear support, the right-hand member of bracing frame is connected with the track baffle plate 21 of sliding rail 20 left ends of sliding support with erection bolt III 49 by the angle steel 42 of its right-hand member.
As Fig. 2, 3, 7, shown in 8, described adjusting slider is by regulating shaft III 16, two slide block I 13, angular adjustment wheel location-plate (14), angular adjustment wheel 15 and adjusting axle sleeve 17 form, in regulating shaft III 16, from left to right be coated with successively first slide block I 13, angular adjustment wheel location-plate (14), angular adjustment wheel 15, regulate axle sleeve 17 and second slide block I 13, wherein, angular adjustment wheel location-plate (14) welds mutually with first slide block I 13, regulate the left end and angular adjustment wheel 15 welding mutually of axle sleeve 17, the side of adjusting axle sleeve 17 is welded on the bottom of sliding rail 20 right-hand ends, two slide block I 13 are loaded on respectively in the groove of two front support channel-section steels 5, and be connected on two chains 11 of sprocket-type elevating mechanism, angular adjustment wheel location-plate 14 is provided with some dowel holes 47, on angular adjustment wheel 15, there is locating hole 18, angular adjustment wheel 15 rotates to after suitable angle, by the locating hole 18 on it and alignment pin 19, be fixed on dowel hole 47 places corresponding with locating hole 18 on angular adjustment wheel location-plate 14, described adjusting slider is positioned at a pair of front support adjustment hole 6 places at two front support channel-section steels, 5 corresponding height places by its regulating shaft III 16.
As shown in Fig. 1,2,9, slip hold-fast body consists of slide block II 32, two pulley spindles 35,4 pulleys 36, adapter sleeve support 34 and adapter sleeves 33, the bottom of slide block II 32 is provided with two pulley spindles 35, the two ends of every pulley spindle 35 are provided with a pulley 36, the top of slide block II 32 is provided with adapter sleeve support 34, and there is adapter sleeve 33 upper end of adapter sleeve support 34, and fastening bolt 48 is housed on adapter sleeve 33, slide block II 32 is arranged in sliding rail 20, and by bearing pin II 46 location.
The operating principle of this adjustable drilling machine support is: according to the requirement of the position of coal mine drilling machine drilling, by sprocket-type elevating mechanism and adjusting slider, regulate the residing height of right-hand end of sliding support, by regulating shaft II 45, carry out the residing height of left-hand end of adjusting support frame, by bearing pin I 31, adjust straddle 27 and be inserted into the position in sleeve 28, and then adjustment regulates the height supporting, by 30 fine settings of regulating shaft I, regulate the height supporting, rotating bottom board 4 is adjusted after angle, fixing with rotating shaft screw bolt 8, rig is installed and fixed on sliding support and bracing frame, sliding support is for supporting the anterior of rig and by the slip hold-fast body on it, rig being located in place, bracing frame is for supporting the rear portion of rig, by adjusting the anglec of rotation of angular adjustment wheel 15, realize rig and beat upright opening, transverse holes and oblique hole, by adjusting the angle of the rotating bottom board 4 of front support, realize rig and beat other direction holes.Thereby this adjustable drilling machine support can realize that rig is multi-faceted to underworkings, multi-angle drilling, has improved the operating efficiency of drilling, has shortened the engineering time of whole prospecting bit.
Claims (3)
1. an adjustable drilling machine support, by front support, sprocket-type elevating mechanism, adjusting slider, regulate and support, rear support, sliding support and bracing frame form, it is characterized in that: described front support is by front support seat (1), front support pipe (2), gripper shoe (3), rotating bottom board (4), two front support channel-section steels (5) and rotating shaft screw bolt (8) form, in front support seat (1), there is front support pipe (2), gripper shoe (3) is fixed on front support pipe (2), two front support channel-section steels (5) opening is inwardly symmetricly set on rotating bottom board (4), on two front support channel-section steels (5), be provided with coaxial some to front support adjustment hole (6), rotating bottom board (4) is being adjusted after angle according to the direction of rig drilling, by rotating shaft screw bolt (8), be fixed in gripper shoe (3), described sprocket-type elevating mechanism is by two pairs of elevating mechanism supports (7), two sprocket shafts (10), 4 sprocket wheels (9), two chains (11) and driving wheel (12) form, two pairs of elevating mechanism supports (7) are arranged on the upper of two front support channel-section steels (5) by some erection bolt I (22), lower two ends, two sprocket shafts (10) are fixed between two front support channel-section steels (5) by two pairs of elevating mechanism supports (7) are parallel respectively, and lay respectively at the upper of two front support channel-section steels (5), lower end positions, wherein, the one end that is positioned at the sprocket shaft (10) of two front support channel-section steels (5) lower end is also provided with driving wheel (12), the two ends of every sprocket shaft (10) are provided with a sprocket wheel (9), and be positioned on two sprocket wheels (9) that every front support channel-section steel (5) locates a chain (11) is installed, every chain (11) is being positioned at the part of every front support channel-section steel (5), the center line of the upper some front support adjustment holes (6) of its center line and this part front support channel-section steel (5) at grade, adjusting slider is arranged between two front support channel-section steels (5), its two ends lay respectively in the groove of two front support channel-section steels (5), and be connected on two chains (11), the height that adjusting slider need to be located according to described sliding support, a pair of front support adjustment hole (6) that is positioned at two front support channel-section steels (5) corresponding height place by its positioning element is located, described adjusting is supported by regulating supporting seat (26), straddle (27), sleeve (28), regulating sleeve (29), regulating shaft I (30), regulate support connecting piece (25) and regulate support connecting piece fixed head (23) to form, regulate on supporting seat (26) and be welded with straddle (27), on straddle (27) and sleeve (28), be all provided with some adjustment holes, straddle (27) is inserted in sleeve (28), adjust after height, at straddle (27) and the corresponding adjustment hole place of sleeve (28), fixing by bearing pin I (31), the upper end of sleeve (28) is provided with regulating sleeve (29), the inside of regulating sleeve (29) is provided with internal thread, the lower end of regulating shaft I (30) is provided with external screw thread, in the lower end of regulating shaft I (30) is passed through, external screw thread is connected with regulating sleeve (29), the upper end of regulating shaft I (30) is connected with regulating support connecting piece (25) by bearing pin, regulate support connecting piece (25) to be fixed on and regulate on support connecting piece fixed head (23), described rear support is comprised of rear support seat (37), two rear support posts (38) and regulating shaft II (45), two rear support posts (38) are symmetricly set on rear support seat (37), on two rear support posts (38), be provided with coaxial some to rear support adjustment hole (44), the height that regulating shaft II (45) need to be located according to support frame as described above, be arranged in a pair of rear support adjustment hole (44) at two rear support posts (38) corresponding height place, so that positioning supporting frame, described sliding support is by sliding rail (20), two track baffle plates (21) and slip hold-fast body form, sliding rail (20) is be arranged in parallel and is formed by two channel members, the bottom of sliding support right-hand end is connected with the middle part that is arranged on the adjusting slider between two front support channel-section steels (5), at the left end bottom position of sliding rail (20), install and regulate support connecting piece fixed head (23), two track baffle plates (21) are installed on respectively a left side for sliding rail (20) by some erection bolt II (43), right two ends, wherein, be arranged on the track baffle plate (21) of sliding rail (20) left end and be also provided with installing hole (24), slip hold-fast body is arranged on sliding rail (20), and regulate behind the upper residing position of sliding rail (20), by bearing pin II (46), located, support frame as described above supports channel-section steel (39) by rig, seat supports after rig (40) and rig back seat support floor (41) and form, the left-hand end that rig supports channel-section steel (39) is vertically fixed with seat supports (40) after rig, rig back seat supports floor (41) one end and is fixed on after rig in seat supports (40), its other end is fixed on rig and supports on channel-section steel (39), the right-hand member that rig supports channel-section steel (39) is welded with angle steel (42), angle steel (42) is provided with installing hole, the left end of support frame as described above is positioned at the regulating shaft II (45) of rear support and locates, the right-hand member of bracing frame is connected with the track baffle plate (21) of sliding rail (20) left end of sliding support with erection bolt III (49) by the angle steel (42) of its right-hand member.
2. adjustable drilling machine support according to claim 1, it is characterized in that: described adjusting slider is by regulating shaft III (16), two slide block I (13), angular adjustment wheel location-plate (14), angular adjustment wheel (15) and adjusting axle sleeve (17) form, in regulating shaft III (16), from left to right be coated with successively first slide block I (13), angular adjustment wheel location-plate (14), angular adjustment wheel (15), regulate axle sleeve (17) and second slide block I (13), wherein, angular adjustment wheel location-plate (14) welds mutually with first slide block I (13), regulate the left end of axle sleeve (17) to weld mutually with angular adjustment wheel (15), the side of adjusting axle sleeve (17) is welded on the bottom of sliding rail (20) right-hand end, two slide block I (13) are loaded on respectively in the groove of two front support channel-section steels (5), and be connected on two chains (11) of sprocket-type elevating mechanism, angular adjustment wheel location-plate (14) is provided with some dowel holes (47), on angular adjustment wheel (15), there is locating hole (18), angular adjustment wheel (15) rotates to after suitable angle, by the locating hole on it (18) and alignment pin (19), being fixed on the upper dowel hole (47) corresponding with locating hole (18) of angular adjustment wheel location-plate (14) locates, the a pair of front support adjustment hole (6) that described adjusting slider is positioned at two front support channel-section steels (5) corresponding height place by its regulating shaft III (16) is located.
3. adjustable drilling machine support according to claim 1 and 2, it is characterized in that: slip hold-fast body is by slide block II (32), two pulley spindles (35), 4 pulleys (36), adapter sleeve support (34) and adapter sleeve (33) form, the bottom of slide block II (32) is provided with two pulley spindles (35), the two ends of every pulley spindle (35) are provided with a pulley (36), the top of slide block II (32) is provided with adapter sleeve support (34), there is adapter sleeve (33) upper end of adapter sleeve support (34), fastening bolt (48) is housed on adapter sleeve (33), slide block II (32) is arranged in sliding rail (20), and located by bearing pin II (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320667450.7U CN203570212U (en) | 2013-10-28 | 2013-10-28 | Adjustable drilling machine support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320667450.7U CN203570212U (en) | 2013-10-28 | 2013-10-28 | Adjustable drilling machine support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570212U true CN203570212U (en) | 2014-04-30 |
Family
ID=50537946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320667450.7U Expired - Fee Related CN203570212U (en) | 2013-10-28 | 2013-10-28 | Adjustable drilling machine support |
Country Status (1)
| Country | Link |
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| CN (1) | CN203570212U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314475A (en) * | 2014-10-10 | 2015-01-28 | 潞安职业技术学院 | Lifting coal drill rack |
| CN104818992A (en) * | 2015-04-14 | 2015-08-05 | 中煤第五建设有限公司 | Shield shell type roadway tunnelling apparatus |
| CN106639893A (en) * | 2015-10-28 | 2017-05-10 | 天津同鑫煤矿机械制造有限公司 | Adjustable chassis of roof bolt driller |
| CN109750987A (en) * | 2019-02-15 | 2019-05-14 | 中国三峡建设管理有限公司 | Bottom plate Excavation Blasting control device and application method |
| WO2021243538A1 (en) * | 2020-06-02 | 2021-12-09 | 南京溧水高新创业投资管理有限公司 | Mounting and fixing support for agricultural machine water-well drilling rig |
-
2013
- 2013-10-28 CN CN201320667450.7U patent/CN203570212U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314475A (en) * | 2014-10-10 | 2015-01-28 | 潞安职业技术学院 | Lifting coal drill rack |
| CN104818992A (en) * | 2015-04-14 | 2015-08-05 | 中煤第五建设有限公司 | Shield shell type roadway tunnelling apparatus |
| CN106639893A (en) * | 2015-10-28 | 2017-05-10 | 天津同鑫煤矿机械制造有限公司 | Adjustable chassis of roof bolt driller |
| CN109750987A (en) * | 2019-02-15 | 2019-05-14 | 中国三峡建设管理有限公司 | Bottom plate Excavation Blasting control device and application method |
| WO2021243538A1 (en) * | 2020-06-02 | 2021-12-09 | 南京溧水高新创业投资管理有限公司 | Mounting and fixing support for agricultural machine water-well drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |