CN102162361A - Mechanically-driven hard-rock double-head tunneling machine - Google Patents
Mechanically-driven hard-rock double-head tunneling machine Download PDFInfo
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- CN102162361A CN102162361A CN2010105609681A CN201010560968A CN102162361A CN 102162361 A CN102162361 A CN 102162361A CN 2010105609681 A CN2010105609681 A CN 2010105609681A CN 201010560968 A CN201010560968 A CN 201010560968A CN 102162361 A CN102162361 A CN 102162361A
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Abstract
The invention relates to a mini tunneling machine, in particular relates to a mechanically-driven hard-rock double-head tunneling machine which comprises a traveling device and a shovel plate device, wherein a machine body device is arranged on the traveling device, a double-head tunneling device is arranged on the rotating mechanism of the machine body device, the shovel plate device is arranged at the front end of the machine body device through a shovel plate supporting mechanism, an operating and control mechanism and a driving mechanism are arranged on the two sides of the machine body device respectively, the shovel plate supporting mechanism and the rotating mechanism are independently connected with one end of a hydraulic line mechanism which is arranged on the machine body device, and the other end of the hydraulic line mechanism is connected on the operating and control mechanism. Accordingly, the overall structure is optimized, the mechanical drive mode is adopted to ensure stable working performance, the service life of the equipment is increased, and the hard-rock tunneling efficiency is increased by more than 50%.
Description
Technical field
The present invention relates to a kind of minimole, specifically the two heading end development machines of mechanical transmission-type hard rock.
Background technology
Small-sized hard rock mole, it is a kind of excavating equipment that integrates cutting, loading, transhipment rock ballast etc., it connects with structure and gathers, light and handy and the fields such as the traffic that is widely used, tunnel, mining of build, compare with large-scale development machine, little, the lightweight characteristics of volume are arranged, be applicable to the operation of medium and small colliery, be beneficial to and improve the mechanization level.Mainly there is following shortcoming in the small-sized hard rock mole that adopts at present:
Aspect the heading end device, all are the set-up modes that adopt the single heading end of hydraulic-driven, the following shortcoming of this setup ubiquity: one, operating efficiency is lower, the hydraulic pressure oil consumption is also bigger, and long-time continuous operation meeting makes and the hydraulic power instability is unfavorable for that exploitation is excavated continuously.Its two, the structure setting of driving arm is also reasonable inadequately, employing be hydraulic jack and simple being used of driving arm, hydraulic oil pipe is flexible simultaneously with the driving arm during stretching motion, hydraulic oil pipe constantly carries out the repetition bending action, very easily aging breaking.
Aspect operating-controlling mechanism, mostly be that rectangular-shaped fuel tank is preceding, operation bench after, fuel tank is symmetricly set on the locomotive both sides, because the height and the length of casing itself has taken the big quantity space of locomotive, and make console have to be arranged on the rear of fuel tank, thus, just increased the length and the height of body again, thereby made machine more heavy, Spatial Structure Optimization is also unreasonable, runs counter to the light and handy characteristics of minimole build.
Aspect the supporting mechanism of shovel board, be to be symmetricly set on the locomotive both sides, and fixedly connected with the fuel tank on the body, it is long fixing also insecure to connect distance, and air space ratio is less between body and the machine track, supporting mechanism is fixedly connected on then easily to make between supporting mechanism and the machine track on the fuel tank and is stopped up by coal dust, has increased the machine running resistance, has also additionally increased the machine power loss.
Aspect underground mechanism, underground is provided with in disorder, prolonged the connection stroke of oil gas pipeline, increased the cost input, and because the oil gas pipeline is long, its hydraulic pressure that provides will be influenced, breaks down easily after the work for a long time, mixed and disorderly circuit mechanism also is unfavorable for maintenance, has also just influenced the coal mining digging efficiency.
Summary of the invention
The present invention is for solving the deficiency that development machine inefficiency, housing construction are provided with the problems referred to above such as unreasonable, a kind of two heading end development machines of the small-sized hard rock of mechanical transmission-type of novelty are provided, it has optimized complete machine structure, adopt the mechanical type transmission, make stable work in work, it is long to have prolonged service life of equipment, and the drivage efficiency of hard rock has also been improved more than 50%.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be: the two heading end development machines of mechanical transmission-type hard rock, comprise running gear and shovel board device, on running gear, be provided with body set, the body set both sides are respectively equipped with operating-controlling mechanism and transmission mechanism, being provided with supporting mechanism on the slew gear of body set is connected with the driving arm of double end mole, one end of driving arm is connected with heading end by diverter, the other end is connected with transmission mechanism by Hooks coupling universal coupling, also being provided with hydraulic cylinder on supporting mechanism is connected with the driving arm, described shovel board device is arranged on the front end of body set by the shovel board supporting mechanism, shovel board supporting mechanism and slew gear respectively be located at body set on an end of underground mechanism be connected, the other end of underground mechanism is connected on the operating-controlling mechanism
The present invention, described driving arm, it is made up of hydraulic cylinder and slip power transmission shaft, be provided with an oil cylinder piston bar that has the hollow cylindrical of drive socket in the hydraulic cylinder, one end of drive socket passes flange and is connected with diverter, the other end is connected with slip power transmission shaft on being located at Hooks coupling universal coupling by sliding sleeve, and the sliding sleeve inwall is provided with the projection that matches with the keyway on the power transmission shaft surface of sliding.
The present invention, described diverter is formed by master bevel gear with from bevel gear, and master bevel gear and be the staggered setting of cross from bevel gear is connected with semiaxis II with semiaxis I by half-axile sleeve respectively from the bevel gear two ends.
The present invention, described operating-controlling mechanism comprises motor, be made up of hydraulic oil container, console and control pedestal, hydraulic oil container is notch cuttype, and last ladder and downstairs are integral mechanism, the halfpace of downstairs is provided with the control pedestal, is provided with console in the place ahead of control pedestal correspondence.
The present invention, the shovel board supporting mechanism comprises rotary disk, and the shovel board bilateral symmetry is provided with support arm, and support arm is made up of support bar and hydraulic jack, and an end of hydraulic jack has been arranged on the fixed mount of rotary disk by connector.
The present invention, described underground mechanism, form by equalizing valve piece, operation valve and multichannel combination valve block, one end of equalizing valve piece is connected with the operation valve by pipeline, the equalizing valve piece is made up of angling cylinder equalizing valve, shovel board oil cylinder equalizing valve, hydraulic cylinder equalizing valve I and hydraulic cylinder equalizing valve II, and the angling cylinder equalizing valve is connected with four three-way interfaces of multichannel combination valve block respectively by four hydraulic pressure tube connectors with shovel board oil cylinder equalizing valve.
The invention has the beneficial effects as follows:
Double end mole among the present invention adopts the mechanical type transmission, has reduced oil consumption, has improved drivage efficiency more than 50%.When motor behind reductor, drive the rotation of slip power transmission shaft by power transmission shaft by Hooks coupling universal coupling, sliding sleeve and drive socket together rotate with the slip power transmission shaft, drive socket will rotatablely move and be passed to diverter, realize axially changing by diverter, and by semiaxis I and semiaxis II axle power is transferred to two heading ends rotations and carries out headwork.This transmission process can not produce oil consumption, and two heading end operation simultaneously excavation, and efficient is able to the raising of matter, has also prolonged service life of equipment.The driving arm carries out the mechanical type transmission by motor, reductor, power transmission shaft, the slip power transmission shaft that runs through the oil cylinder piston bar and drive socket, novel structure, design uniqueness, promptly realized the flexible of driving arm, can satisfy the through-drive function of driving arm again, it is durable that mechanical transmission performance is stablized, and is fit to continuous digging operation.
Operating-controlling mechanism among the present invention has reduced the length and the height of fuel tank, thereby has reduced the height of machine, is convenient to operation at the bottom of the coal mine; Fuel tank and control pedestal are combined, saved the space of machine, reduced cost of production; Console is moved to machine the place ahead, saved the stroke that hydraulic pressure is controlled circuit, not only optimized rack construction, also conveniently observe heading end and carry out operation.
Shovel board supporting mechanism among the present invention, shortened the connection stroke of support arm, be convenient to telescopic moving to shovel board, improved operating efficiency to shovel board, support arm one end is fixed on the fixed mount of rotary disk, improve the bonding strength of support arm, also increased the space between machine track and the body simultaneously, thereby also avoided coal dust to stop up machine track.
Underground mechanism, the oil gas underground that it has optimized and combined complete machine has shortened the be connected distance of valve piece with hydraulic jack, and the circuit stroke is short, is beneficial to maintenance.By adopting the multichannel combination valve block to realize integrated optimization to underground, balance the hydraulic pressure of hydraulic jack, reduced mechanical disorder.
The present invention is by adopting the unique double end mole of design, fuel tank and the operating-controlling mechanism of control pedestal knot one design, the underground mechanism of having improved the shovel board supporting mechanism and the stabilized hydrocarbon hydraulic pressure of shovel board operating efficiency, make complete machine structure optimized, realized the mechanical type transmission of heading end, stable work in work, drivage efficiency has also improved more than 50%, and it is long to have prolonged service life of equipment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of double end mole among the present invention;
Fig. 3 is the generalized section of driving arm among Fig. 2;
Fig. 4 is the structural representation of diverter among Fig. 2;
Fig. 5 is the schematic cross-section of slip power transmission shaft among Fig. 2;
Fig. 6 is the schematic cross-section of sliding sleeve among Fig. 2
Fig. 7 is the structural representation of shovel board supporting mechanism among the present invention;
Fig. 8 is the structural representation of operating-controlling mechanism among the present invention;
Fig. 9 is the structural representation of underground mechanism among the present invention;
Figure 10 is the generalized section of multichannel combination valve block among Fig. 9;
Mark is among the figure: 1, running gear, 2, the shovel board device, 3, body set, 4, slew gear, 5, the double end mole, 6, the shovel board supporting mechanism, 7, operating-controlling mechanism, 8, underground mechanism, 9, heading end, 10, the driving arm, 11, supporting mechanism, 12, diverter, 13, Hooks coupling universal coupling, 14, hydraulic cylinder, 15, hydraulic cylinder, 16, the slip power transmission shaft, 17, drive socket, 18, the oil cylinder piston bar, 19, flange, 20, sliding sleeve, 21, keyway, 22, projection, 23, master bevel gear, 24, from bevel gear, 25, half-axile sleeve, 26, semiaxis I, 27, semiaxis II, 28, motor, 29, reductor, 30, power transmission shaft, 31, motor, 32, hydraulic oil container, 33, console, 34, the control pedestal, 35, last ladder, 36, downstairs, 37, rotary disk, 38, shovel board, 39, support bar, 40, hydraulic jack, 41, connector, 42, fixed mount, 43, the operation valve, 44, the multichannel combination valve block, 45, the angling cylinder equalizing valve, 46, shovel board oil cylinder equalizing valve, 47, hydraulic cylinder equalizing valve I, 48, hydraulic cylinder equalizing valve II, 49, angling cylinder interface I, 50, angling cylinder interface II, 51, shovel board oil cylinder interface I, 52, shovel board oil cylinder interface II, 53, the diverter housing, 54, bearing support.
The specific embodiment
As shown in Figure 1, the two heading end development machines of mechanical transmission-type hard rock, comprise running gear 1 and shovel board device 2, on running gear 1, be provided with body set 3, on the slew gear 4 of body set 3, be provided with double end mole 5, shovel board device 2 is arranged on the front end of body set 3 by shovel board supporting mechanism 6, body set 3 both sides are respectively equipped with operating-controlling mechanism 7 and transmission mechanism, transmission mechanism is by motor 28, reductor 29 and power transmission shaft 30 are formed, shovel board supporting mechanism 6 and slew gear 4 respectively be located at body set 3 on an end of underground mechanism 8 be connected, the other end of underground mechanism 8 is connected on the operating-controlling mechanism 7, also is provided with a transmission crawler belt and is connected with shovel board device 2 on body set 3.
As shown in Figure 2, described double end mole 5, it is made up of heading end 9 and driving arm 10, what heading end 9 adopted is powerful discoid heading end, driving arm 10 is arranged on the supporting mechanism 11, also being provided with hydraulic cylinder 14 on supporting mechanism 11 is connected with driving arm 10, driving arm 10 rear ends are connected with an end of power transmission shaft 30 by Hooks coupling universal coupling 13, the other end of power transmission shaft 30 is connected with motor 28 by reductor 29, driving arm 10 front ends are provided with diverter 12, and diverter 12 is connected with two heading ends 9 respectively with semiaxis II27 by semiaxis I 26.
As shown in Figure 3, be provided with hydraulic cylinder 15 and slip power transmission shaft 16 in the driving arm 10, be provided with the oil cylinder piston bar 18 of a hollow cylindrical in the hydraulic cylinder 15, in oil cylinder piston bar 18, be provided with drive socket 17, be provided with bearing between the two ends of oil cylinder piston bar 18 and drive socket 17, drive socket 17 can be rotated in oil cylinder piston bar 18.The left end of drive socket 17 passes flange 19 and is connected with the master bevel gear 23 of diverter 12, and drive socket 17 right-hand members are connected with slip power transmission shaft 16 on being located at Hooks coupling universal coupling 13 by sliding sleeve 20, and drive socket 17 is fixedlyed connected with sliding sleeve 20.As shown in Figure 5 and Figure 6, sliding sleeve 20 inwalls are provided with the projection 22 that matches with the keyway 21 on power transmission shaft 16 surfaces of sliding, and make the sliding sleeve 20 can only be along the endwisely slipping of slip power transmission shaft 16, and can not radially rotate.
As shown in Figure 4, diverter 12 is provided with diverter housing 53, diverter housing 53 is provided with bearing support 54, be arranged on the master bevel gear 23 in the diverter housing 53 and be the staggered setting of cross from bevel gear 24, be connected with semiaxis II 27 with semiaxis I 26 by half-axile sleeve 25 respectively from bevel gear 24 two ends, the rotating shaft of master bevel gear 23 is a horizontally set, from the rotating shaft of bevel gear 24 is vertically to be provided with, the power of rotating around transverse axis at master bevel gear 23 after drive socket 17 transmissions is changed into around the longitudinal axis through the bevel gear 24 of associating and is rotated, and then by realizing that from the semiaxis I 26 and the semiaxis II27 of bevel gear 24 by the transmission two ends two heading ends 9 rotate.
In the work of double end mole, when motor behind reductor, drive the rotation of slip power transmission shaft by power transmission shaft by Hooks coupling universal coupling 5, owing to can not rotate between sliding sleeve and the slip power transmission shaft, therefore sliding sleeve and drive socket together rotate with the slip power transmission shaft, drive socket will rotatablely move and be passed to diverter, be realized axially changing by diverter, and by semiaxis I and semiaxis II axle power will be transferred to two heading ends rotations and carry out headwork.When needs control driving arm is flexible, adjust the oil pressure in the hydraulic cylinder, hydraulic oil promotes the oil cylinder piston bar to protracting or drawing back.Because the oil cylinder piston bar all is connected with flange with diverter with drive socket, oil cylinder piston bar and drive socket can not relatively move in the axial direction, and it is together flexible with the oil cylinder piston bar that drive socket drives sliding sleeve.So promptly realize the mechanical type transmission of two heading ends, can realize tunneling the arm band again and heading end and do flexible controlling, can also regulate and control the rise and fall of driving arm by the hydraulic cylinder on the supporting mechanism simultaneously.
As shown in Figure 7, shovel board supporting mechanism 6 comprises rotary disk 37, and shovel board 38 bilateral symmetry are provided with support arm, and support arm is made up of support bar 39 and hydraulic jack 40, and an end of hydraulic jack 40 has been arranged on the fixed mount 42 of rotary disk 37 by connector 41.
As shown in Figure 8, operating-controlling mechanism 7 comprises motor 31, form by hydraulic oil container 32, console 33 and control pedestal 34, hydraulic oil container 32 is notch cuttype, last ladder 35 is structure as a whole with downstairs 36, the halfpace of downstairs 36 is provided with control pedestal 34, is provided with console 33 in the place ahead of control pedestal 34 correspondences, is provided with motor 31 at hydraulic oil container 32 rears.
As Fig. 9 and shown in Figure 10, underground mechanism 8 is made up of equalizing valve piece, operation valve 43 and multichannel combination valve block 44, one end of equalizing valve piece is connected with operation valve 43 by pipeline, described equalizing valve piece is made up of angling cylinder equalizing valve 45, shovel board oil cylinder equalizing valve 46, hydraulic cylinder equalizing valve I 47 and hydraulic cylinder equalizing valve II48, and angling cylinder equalizing valve 45 is connected with four three-way interfaces of multichannel combination valve block 44 respectively by four hydraulic pressure tube connectors with shovel board oil cylinder equalizing valve 46.Described four hydraulic pressure tube connectors are respectively angling cylinder tube connector I, angling cylinder tube connector II, shovel board oil cylinder tube connector I and shovel board oil cylinder tube connector II.Described four three-way interfaces are respectively angling cylinder interface I 49, angling cylinder interface II 50, shovel board oil cylinder interface I 51 and shovel board oil cylinder interface II52.In actual installation: angling cylinder interface I is connected to the serrated end of left angling cylinder and the serrated end of right-hand rotation oil cylinder by hydraulic tube; Angling cylinder interface II is connected to the elongation end of left angling cylinder and the elongation end of right-hand rotation oil cylinder by hydraulic tube; Shovel board oil cylinder interface I is connected to the serrated end of left shovel board oil cylinder and the serrated end of right shovel board oil cylinder by hydraulic tube; Shovel board oil cylinder interface II is connected to the elongation end of left shovel board oil cylinder and the elongation end of right shovel board oil cylinder by hydraulic tube.
Claims (7)
1. two heading end development machines of mechanical transmission-type hard rock, comprise running gear (1) and shovel board device (2), it is characterized in that: on running gear (1), be provided with body set (3), body set (3) both sides are respectively equipped with operating-controlling mechanism (7) and transmission mechanism, being provided with supporting mechanism (11) on the slew gear (4) of body set (3) is connected with the driving arm (10) of double end mole (5), one end of driving arm (10) is connected with heading end (9) by diverter (12), the other end is connected with transmission mechanism by Hooks coupling universal coupling (13), also being provided with hydraulic cylinder (14) on supporting mechanism (11) is connected with driving arm (10), described shovel board device (2) is arranged on the front end of body set (3) by shovel board supporting mechanism (6), shovel board supporting mechanism (6) and slew gear (4) respectively be located at body set (3) on an end of underground mechanism (8) be connected, the other end of underground mechanism (8) is connected on the operating-controlling mechanism (7).
2. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1, it is characterized in that: described driving arm (10), it is made up of hydraulic cylinder (15) and slip power transmission shaft (16), be provided with an oil cylinder piston bar (18) that has the hollow cylindrical of drive socket (17) in the hydraulic cylinder (15), one end of drive socket (17) passes flange (19) and is connected with diverter (12), the other end is connected with slip power transmission shaft (16) on being located at Hooks coupling universal coupling (13) by sliding sleeve (20), and sliding sleeve (20) inwall is provided with the projection (22) that matches with the keyway (21) on the power transmission shaft that slides (16) surface.
3. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1, it is characterized in that: described diverter (12), form by master bevel gear (23) with from bevel gear (24), master bevel gear (23) and be the staggered setting of cross from bevel gear (24) is connected with semiaxis II (27) with semiaxis I (26) by half-axile sleeve (25) respectively from bevel gear (24) two ends.
4. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1 is characterized in that: described transmission mechanism, form by motor (28), reductor (29) and power transmission shaft (30).
5. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1, it is characterized in that: described operating-controlling mechanism (7), comprise motor (31), form by hydraulic oil container (32), console (33) and control pedestal (34), hydraulic oil container (32) is notch cuttype, last ladder (35) is an integral mechanism with downstairs (36), and the halfpace of downstairs (36) is provided with control pedestal (34), and the place ahead corresponding at control pedestal (34) is provided with console (33).
6. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1, it is characterized in that: shovel board supporting mechanism (6), comprise rotary disk (37), shovel board (38) bilateral symmetry is provided with support arm, support arm is made up of support bar (39) and hydraulic jack (40), and an end of hydraulic jack (40) has been arranged on the fixed mount (42) of rotary disk (37) by connector (41).
7. the two heading end development machines of mechanical transmission-type hard rock as claimed in claim 1, it is characterized in that: described underground mechanism (8), by the equalizing valve piece, operation valve (43) and multichannel combination valve block (44) are formed, one end of equalizing valve piece is connected with operation valve (43) by pipeline, described equalizing valve piece is by angling cylinder equalizing valve (45), shovel board oil cylinder equalizing valve (46), hydraulic cylinder equalizing valve I (47) and hydraulic cylinder equalizing valve II (48) form, and angling cylinder equalizing valve (45) is connected with four three-way interfaces of multichannel combination valve block (44) respectively by four hydraulic pressure tube connectors with shovel board oil cylinder equalizing valve (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560968 CN102162361B (en) | 2010-11-26 | 2010-11-26 | Mechanically-driven hard-rock double-head tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560968 CN102162361B (en) | 2010-11-26 | 2010-11-26 | Mechanically-driven hard-rock double-head tunneling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162361A true CN102162361A (en) | 2011-08-24 |
| CN102162361B CN102162361B (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010560968 Expired - Fee Related CN102162361B (en) | 2010-11-26 | 2010-11-26 | Mechanically-driven hard-rock double-head tunneling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102162361B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643959A (en) * | 2013-12-23 | 2014-03-19 | 中铁工程装备集团有限公司 | Novel tunneling device |
| CN103883329A (en) * | 2014-03-31 | 2014-06-25 | 重庆南桐矿业有限责任公司 | Excavation construction method for mine hard rock roadway |
| CN105952460A (en) * | 2016-05-24 | 2016-09-21 | 中车建设工程有限公司 | Non-blasting construction method of hard-rock tunnel in city |
| CN108691540A (en) * | 2018-05-11 | 2018-10-23 | 江西蓝翔重工有限公司 | A kind of sliding equipment that tunnel equipment cutting arm and shovel board and delivery chute can be made to link |
| CN113446021A (en) * | 2021-08-06 | 2021-09-28 | 中铁工程装备集团有限公司 | Shield machine |
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| US4343515A (en) * | 1978-11-03 | 1982-08-10 | Coal Industry (Patents) Limited | Device for rotating a body |
| EP0176235B1 (en) * | 1984-08-25 | 1988-10-12 | Dosco Overseas Engineering Limited | Mining machine |
| KR100414822B1 (en) * | 2001-09-26 | 2004-01-13 | 주식회사 대석엔지니어링 | An excavator head for useing back hoe |
| CN1693660A (en) * | 2005-05-19 | 2005-11-09 | 栗秀芳 | Driving device of tunnel development machine |
| CN2828313Y (en) * | 2004-11-19 | 2006-10-18 | 高密交运工程机械有限公司 | Coal mine tunnelling machine |
| CN101021150A (en) * | 2007-03-13 | 2007-08-22 | 郝忠文 | Driving head for entry-driving machine |
| CN201103394Y (en) * | 2007-09-27 | 2008-08-20 | 王宝双 | Cutting device of development machine |
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- 2010-11-26 CN CN 201010560968 patent/CN102162361B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343515A (en) * | 1978-11-03 | 1982-08-10 | Coal Industry (Patents) Limited | Device for rotating a body |
| EP0176235B1 (en) * | 1984-08-25 | 1988-10-12 | Dosco Overseas Engineering Limited | Mining machine |
| KR100414822B1 (en) * | 2001-09-26 | 2004-01-13 | 주식회사 대석엔지니어링 | An excavator head for useing back hoe |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643959A (en) * | 2013-12-23 | 2014-03-19 | 中铁工程装备集团有限公司 | Novel tunneling device |
| CN103643959B (en) * | 2013-12-23 | 2015-08-05 | 中铁工程装备集团有限公司 | A kind of novel tunnel heading equipment |
| CN103883329A (en) * | 2014-03-31 | 2014-06-25 | 重庆南桐矿业有限责任公司 | Excavation construction method for mine hard rock roadway |
| CN103883329B (en) * | 2014-03-31 | 2016-08-17 | 重庆南桐矿业有限责任公司 | Mine hard rock excavation construction method |
| CN105952460A (en) * | 2016-05-24 | 2016-09-21 | 中车建设工程有限公司 | Non-blasting construction method of hard-rock tunnel in city |
| CN108691540A (en) * | 2018-05-11 | 2018-10-23 | 江西蓝翔重工有限公司 | A kind of sliding equipment that tunnel equipment cutting arm and shovel board and delivery chute can be made to link |
| CN113446021A (en) * | 2021-08-06 | 2021-09-28 | 中铁工程装备集团有限公司 | Shield machine |
| CN113446021B (en) * | 2021-08-06 | 2022-03-04 | 中铁工程装备集团有限公司 | Shield machine |
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|---|---|
| CN102162361B (en) | 2013-09-25 |
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Granted publication date: 20130925 Termination date: 20151126 |