CN104533435A - Oscillating cutter head type rectangular section tube push bench - Google Patents
Oscillating cutter head type rectangular section tube push bench Download PDFInfo
- Publication number
- CN104533435A CN104533435A CN201410694746.7A CN201410694746A CN104533435A CN 104533435 A CN104533435 A CN 104533435A CN 201410694746 A CN201410694746 A CN 201410694746A CN 104533435 A CN104533435 A CN 104533435A
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- oil cylinder
- cutter head
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- sleeve
- imitation
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- 230000033001 locomotion Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an oscillating cutter head type rectangular section tube push bench. The oscillating cutter head type rectangular section tube push bench comprises a cutter head device, a driving system, a shield structure, a spiral conveyor and a rear auxiliary system; the cutter head device is formed by combining two small cutter heads which are in the same plane; a copying cutter which can be telescoped in the radial oscillating direction is arranged in a main cutter rack of the small cutter head; the copying cutter is telescoped to link with the oscillating of the small cutter head; the driving system comprises a sleeve, a driving oil cylinder, an auxiliary oil cylinder and a rotating joint; a rotating center of the sleeve is coaxial with an oscillating center of the small cutter head; the oscillating plane formed by the driving oil cylinder and the auxiliary oil cylinder is parallel to the oscillating plane of the small cutter head. According to the oscillating cutter head type rectangular section tube push bench, the control of the overexcavation quantity of the copying cutter and the rotating angle of the cutter head driven by a motor and a gear is replaced by the linear control of the overexcavation quantity of the copying cutter and the telescoping of the driving oil cylinder, and therefore, the control precision can be easily improved while a plurality of large transmission structural parts are decreased, and as a result, excavating blind areas can be decreased.
Description
Technical field
The present invention relates to the technical field of constructing tunnel equipment, be specifically related to a kind of swing cutter head type rectangular cross section push-bench.
Background technology
Section technology need not be removed in a large number, need not excavate ground, noiselessness on ground, without dust, does not disturb residents, and all adopting Automated condtrol, programming is very fast, therefore, be that one both can reduce engineering pollution, significantly can save again the construction technology of construction investment.Wherein, push-bench be a kind of adopt method of sections integrate the high mechanization of technology and the excavation a complete set of equipment of automation such as machinery, electronics, hydraulic pressure, laser and control.
Under the support of China's economy rapid growth, the development of pipe-jacking technology has welcome unprecedented opportunities, and the construction of the underground pipeline in future city, storm sewer, blow-off line, power pipe and common pipe trench is by extensive use pipe-jacking technology.Rectangular cross section tunnel has relative to circular cross section tunnel and reduces excavated section, feature that space effective rate of utilization is high, in practice of construction, progressively become development trend.
At present, rectangle excavated section uses rotary assembled cutter head mostly, adopts the method excavation of earth pressure balance, and the proportion of its excavation blind area area directly affects effect and the deslagging efficiency of sediment improvement.The method utilizing imitation-shaped knife to backbreak is born thereupon, and the imitation-shaped knife amount of backbreaking controls to be insoluble key issue in engineering with the high accuracy of the rotary head of employing " motor+gear drive ".
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of swing cutter head type rectangular cross section push-bench, cutter head and drive system is utilized to combine, torsional interaction is produced by driving oil cylinder and sleeve, the reciprocally swinging of sleeve is subject to the restriction of the stroke driving oil cylinder to replace, cutter head can angle or driving oil cylinder stroke be swung according to the rules, imitation-shaped knife simultaneously on cutter head, according to the accurate control over-excavation amount of cutterhead pendulum angle, realizes the object of rectangle full face excavation.
In order to achieve the above object, technical scheme of the present invention is: a kind of swing cutter head type rectangular cross section push-bench, comprise the cutter head, the drive system adjacent to cutter head, the shield body structure supporting whole equipment, the conveying worm being arranged on cutter head rear portion and the Rear impact that are arranged on front end, described cutter head is in conplane little cutterhead by two and combines, the main carriage inside of little cutterhead is provided with imitation-shaped knife, and the movement of imitation-shaped knife and the swing of little cutterhead are formed and link; Described drive system comprises sleeve, drives oil cylinder, auxiliary cylinder, swivel coupling composition; The centre of gyration of sleeve is coaxial with the oscillation center of little cutterhead, barrel forward end and cutter head affixed, the middle part of sleeve is connected with shield body structure along external diameter circumference by base bearing; Sleeve tail end is along hinged with the piston rod of driving oil cylinder and auxiliary cylinder respectively on centre of gyration different radii, and it is parallel with the swinging plane of little cutterhead to drive oil cylinder and auxiliary cylinder to swing the plane formed.
Described little cutterhead is the little cutterhead of spoke type, and each little cutterhead comprises the main carriage of central cylinder and four Length discrepancy; Described main carriage is distributed with cutting knife, and main carriage central area is provided with fish tail cutter, and the inner outer end of main carriage is provided with imitation-shaped knife; Be provided with adjustment oil cylinder in main carriage, regulate oil cylinder one end and central cylinder hinged, the other end and imitation-shaped knife hinged, adjustment oil cylinder makes imitation-shaped knife and main carriage produce relative sliding.
Described imitation-shaped knife can move along swinging radial direction.
The cylinder barrel end of described driving oil cylinder and auxiliary cylinder is all hinged on shield body structure shell; Described driving oil cylinder comprises the first driving oil cylinder and second and drives oil cylinder, and first drives oil cylinder and second to drive the piston rod of oil cylinder to be all articulated with in the same radius of sleeve, and first drives oil cylinder and second to drive oil cylinder to be symmetrical arranged up and down; The piston rod of described auxiliary cylinder is articulated with in the relatively large radius of sleeve, auxiliary cylinder original state is arranged on the first driving oil cylinder and second and drives on the axis of symmetry of oil cylinder, and auxiliary cylinder duty drives the alternately flexible of oil cylinder with the first driving oil cylinder and second and contracting is stretched.
Described little cutterhead can move with its central axis string pendulum under the effect driving oil cylinder and auxiliary cylinder.
Described imitation-shaped knife is embedded in main carriage, regulates oil cylinder to control the extension elongation of imitation-shaped knife relative to main carriage outermost cutting knife according to little cutterhead pendulum angle, thus ensures that excavated section is rectangular shape.
The pendulum angle of described each little cutterhead can turn clockwise 47 ° and be rotated counterclockwise 47 ° relative to self initial position.
The present invention passes through to drive oil cylinder and sleeve to produce torsional interaction, and the reciprocally swinging of sleeve, by the restriction of the stroke driving oil cylinder to replace, makes cutter head angle or driving oil cylinder stroke swing according to the rules; Simultaneously, by the control of the imitation-shaped knife amount of backbreaking with the rotational angle of employing " motor+gear drive " cutterhead, the straight line changing the imitation-shaped knife amount of backbreaking into flexible with driving oil cylinder controls, and while decreasing multiple large-scale drive mechanism pieces, is easy to improve control accuracy and then reduce excavation blind area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation when coiling device and drive system of the present invention.
Fig. 3 is cutter head initial position schematic diagram.
Fig. 4 is the position view of driving oil cylinder that cutter head initial position is corresponding and auxiliary cylinder.
Fig. 5 is the position view of cutter head pendulum angle α.
Fig. 6 is the position view of driving oil cylinder that cutter head pendulum angle α is corresponding and auxiliary cylinder.
Detailed description of the invention
The present invention is illustrated below in conjunction with accompanying drawing and example.
Swing cutter head type rectangular cross section push-bench of the present invention, comprises cutter head 1, drive system 2, shield body structure 3, conveying worm 4, Rear impact 5 totally five parts, as shown in Figure 1.Cutter head 1 is arranged on rectangular cross section push-bench front end, and drive system 2 is adjacent with cutter head 1, and is positioned at cutter head 1 rear end, and shield structure 3 can support whole equipment, and conveying worm 4 and Rear impact 5 are arranged on the rear portion of cutter head 1.
As shown in Figure 2, cutter head 1 is in conplane little cutterhead by two and combines, and each little cutterhead is the little cutterhead of spoke type, and each little cutterhead can swing with the angle of its central axis by regulation.Each little cutterhead comprises the main carriage 102 of central cylinder 101 and four Length discrepancy, and main carriage 102 is fixed in central cylinder 101.Main carriage 102 is evenly distributed with several cutting knifes 105, the central area of main carriage 102 is provided with fish tail cutter 104, and the outer end of main carriage 102 inside is provided with imitation-shaped knife 103.The inner inner end of main carriage 102 is provided with and regulates oil cylinder 106, regulate oil cylinder 106 one end and central cylinder 101 hinged, the other end and imitation-shaped knife 103 hinged, regulate oil cylinder 106 that imitation-shaped knife 103 and main carriage 102 can be made to produce relative sliding, between imitation-shaped knife 103 and main carriage 102, be equipped with the device such as axle sleeve and sealing.Imitation-shaped knife 103 can move radially along swing, and the movement of imitation-shaped knife 103 and the swing of little cutterhead are formed and link.Central cylinder 101 rear end is connected with little cutterhead bracket 107, and main carriage 102 rear portion is provided with several stirring rod 108.
As shown in Figure 2, drive system 2 comprises the driving of sleeve 201, first driving oil cylinder 206, second oil cylinder 208, auxiliary cylinder 207, swivel coupling 205.Drive system 2 is provided with two, is separately positioned on the rear portion of corresponding little cutterhead.The centre of gyration of sleeve 201 is coaxial with little cutterhead oscillation center, on the left of it front end and little cutterhead bracket 107 affixed.Be connected with the anterior shield 301 of shield body structure 3 along external diameter circumference by base bearing 202 in the middle part of sleeve 201.The front end of sleeve 201 both sides and tail end circumference are separately installed with end cover 1 and end cover 2 204.Swivel coupling 205 is positioned at sleeve 201 afterbody and coaxial with it, be flexible can imitation-shaped knife drived control oil circuit, sediment improvement pipeline passage.
Sleeve 201 tail end drives oil cylinder 206, second to drive the piston rod of oil cylinder 208 and auxiliary cylinder 207 hinged respectively with first, first drives oil cylinder 206, second to drive the cylinder body end of oil cylinder 208 and auxiliary cylinder 207 to be hinged on shield body structure 3, and first drives oil cylinder 206, second to drive oil cylinder 208 parallel with little cutterhead swinging plane with the plane that auxiliary cylinder 207 is formed.First drive oil cylinder 206 and second drive the cylinder body end of oil cylinder 208 be hinged on respectively anterior shield 301 square-section of shield body structure 3 upper base and on going to the bottom, first drives oil cylinder 206 and second to drive the piston rod of oil cylinder 208 to be articulated with in sleeve 201 same radius, namely first oil cylinder 206 and second is driven to drive oil cylinder 208 to be symmetrical arranged up and down on shield body structure 3, as shown in Figure 3.Auxiliary cylinder 207 is positioned at the first driving oil cylinder 206 and second and drives in the symmetrical center line of oil cylinder 208, and its piston rod is articulated with in the relatively large radius of sleeve 201, and its cylinder body is articulated with on the flank of shield body structure square-section.Auxiliary cylinder 207 drives the alternately flexible of oil cylinder 208 with the first driving oil cylinder 206 and second and contracting is stretched, to make up the deficiency of cutter head 1 moment of torsion.
Workflow of the present invention is as follows: when complete machine tunnels, and cutter head 1 injects modifying agent with excavation rock face, multiple nozzles built-in from cutter head 1, improves dregs; Dregs, after soil pressure storehouse is stirred rod 108 stirring, carries out through conveying worm 4; Sleeve 201 and the cutter head 1, first driven drive oil cylinder 206, second to drive oil cylinder 208 and auxiliary cylinder 207 to be positioned at initial position, as shown in Figure 3 and Figure 4; The retraction of oil cylinder 208 is driven to make sleeve 201 be subject to thrust and turn clockwise (A is to visual angle) by controlling stretching out of the first driving oil cylinder 206 with second, namely two little cutterheads are for turning clockwise, and auxiliary cylinder 207 is flexible with the rotation of sleeve 201 to rotate; When sleeve 201 rotates clockwise 15 ° relative to initial position, auxiliary cylinder 207 build-up pressure thrust output, to increase the moment of torsion that sleeve 201 is subject to; When sleeve 201 rotates clockwise 47 ° relative to initial position, auxiliary cylinder 207 changes into servo-actuated, not thrust output, and first drives oil cylinder 206 to stop stretching out becoming retraction, second drives oil cylinder 208 to stop retraction becoming stretches out, and sleeve 201 changes counterclockwise rotation into; Then sleeve 201 relative initial position revert to initial point 0 ° gradually by 47 °, namely first drives oil cylinder 206 and second to drive oil cylinder 208 also to revert to initial position; Continue anticlockwise rotary motion, when making sleeve 201 rotate counterclockwise 15 ° relative to initial position, auxiliary cylinder 207 is build-up pressure thrust output again, to increase the moment of torsion that sleeve 201 is subject to when being rotated counterclockwise; When sleeve 201 rotates counterclockwise 47 ° relative to initial position, auxiliary cylinder 207 changes into servo-actuated, not thrust output, and first drives oil cylinder 206 to stop retraction becoming stretches out, second drives oil cylinder 208 to stop stretching out and becoming retraction, and sleeve 201 rotation direction changes into and rotates clockwise; Sleeve 201 relative initial position is by rotating counterclockwise the initial position that 47 ° revert to 0 ° gradually, and two pocket knife dishes form oscillating motion, iterative cycles.
In addition, when two little cutterheads swing by predetermined angular, regulate angle that oil cylinder 106 swings according to little cutterhead to control the amount of backbreaking of imitation-shaped knife 103, the oscillating motion that the movement of imitation-shaped knife 103 and little cutterhead are undertaken by predetermined angular links, the matched curve of the gained amount of backbreaking and set square-section similar.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1. one kind swings cutter head type rectangular cross section push-bench, comprise the cutter head, the drive system adjacent to cutter head, the shield body structure supporting whole equipment, the conveying worm being arranged on cutter head rear portion and the Rear impact that are arranged on front end, it is characterized in that: described cutter head is in conplane little cutterhead by two and combines, the main carriage inside of little cutterhead is provided with imitation-shaped knife, and the movement of imitation-shaped knife and the swing of little cutterhead are formed and link; Described drive system comprises sleeve, drives oil cylinder, auxiliary cylinder, swivel coupling composition; The centre of gyration of sleeve is coaxial with the oscillation center of little cutterhead, barrel forward end and cutter head affixed, the middle part of sleeve is connected with shield body structure along external diameter circumference by base bearing; Sleeve tail end is along hinged with the piston rod of driving oil cylinder and auxiliary cylinder respectively on centre of gyration different radii, and it is parallel with the swinging plane of little cutterhead to drive oil cylinder and auxiliary cylinder to swing the plane formed.
2. swing cutter head type rectangular cross section push-bench according to claim 1, it is characterized in that, described little cutterhead is the little cutterhead of spoke type, and each little cutterhead comprises the main carriage of central cylinder and four Length discrepancy; Described main carriage outside is distributed with cutting knife, and main carriage central area is provided with fish tail cutter, and main carriage inside is provided with imitation-shaped knife; Main carriage inside is provided with adjustment oil cylinder simultaneously, regulates oil cylinder one end and central cylinder hinged, the other end and imitation-shaped knife hinged, adjustment oil cylinder can order about imitation-shaped knife and main carriage produces relative sliding.
3. swing cutter head type rectangular cross section push-bench according to claim 2, is characterized in that, described imitation-shaped knife can move along swinging radial direction.
4. swing cutter head type rectangular cross section push-bench according to claim 1, is characterized in that, the cylinder barrel end of described driving oil cylinder and auxiliary cylinder is all hinged on shield body structure shell; Described driving oil cylinder comprises the first driving oil cylinder and second and drives oil cylinder, and first drives oil cylinder and second to drive the piston rod of oil cylinder to be all articulated with in the same radius of sleeve, and first drives oil cylinder and second to drive oil cylinder to be symmetrical arranged up and down; The piston rod of described auxiliary cylinder is articulated with in the relatively large radius of sleeve, auxiliary cylinder original state is arranged on the first driving oil cylinder and second and drives on the axis of symmetry of oil cylinder, and auxiliary cylinder duty drives the alternately flexible of oil cylinder with the first driving oil cylinder and second and contracting is stretched.
5. the swing cutter head type rectangular cross section push-bench according to claim 1 or 4, is characterized in that, described little cutterhead can move with its central axis string pendulum under the effect driving oil cylinder and auxiliary cylinder.
6. swing cutter head type rectangular cross section push-bench according to claim 1 and 2, it is characterized in that, described imitation-shaped knife is embedded in main carriage, regulate oil cylinder to control the extension elongation of imitation-shaped knife relative to main carriage outermost cutting knife according to little cutterhead pendulum angle, thus ensure that excavated section is rectangular shape.
7. swing cutter head type rectangular cross section push-bench according to claim 1, is characterized in that, the pendulum angle of described each little cutterhead can turn clockwise 47 ° and be rotated counterclockwise 47 ° relative to self initial position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694746.7A CN104533435B (en) | 2014-11-27 | 2014-11-27 | A kind of swing cutter head type rectangular cross section push-bench |
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| CN201410694746.7A CN104533435B (en) | 2014-11-27 | 2014-11-27 | A kind of swing cutter head type rectangular cross section push-bench |
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| CN104533435A true CN104533435A (en) | 2015-04-22 |
| CN104533435B CN104533435B (en) | 2017-01-04 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948200A (en) * | 2015-06-05 | 2015-09-30 | 张璐 | V-shaped head ejector pipe heading machine |
| CN105156125A (en) * | 2015-07-29 | 2015-12-16 | 中国铁建重工集团有限公司 | Shield tunnel heading machine |
| CN105257311A (en) * | 2015-11-17 | 2016-01-20 | 中铁工程装备集团有限公司 | Cutting device for soft rock large-section segmental construction |
| CN105888676A (en) * | 2016-06-03 | 2016-08-24 | 中铁工程装备集团有限公司 | Rectangular section road header used for digging underground garage |
| CN107218048A (en) * | 2017-07-27 | 2017-09-29 | 中铁工程装备集团有限公司 | The shape of a hoof development machine promoted by crawler belt |
| CN108625872A (en) * | 2018-07-17 | 2018-10-09 | 中国铁建重工集团有限公司 | A kind of push-bench |
| CN108691553A (en) * | 2018-06-12 | 2018-10-23 | 中铁工程装备集团有限公司 | A kind of Freezing Method for Cross-passage Construction class rectangle push-bench |
| CN109209413A (en) * | 2018-10-26 | 2019-01-15 | 中铁工程装备集团有限公司 | The multi-cutter-disk of robot support excavates the soft arm development machine in arbitrary cross-section tunnel |
| CN109209420A (en) * | 2018-10-26 | 2019-01-15 | 中铁工程装备集团有限公司 | The Double-cutter of robot support excavates the soft arm development machine in arbitrary cross-section tunnel |
| CN109488323A (en) * | 2018-10-26 | 2019-03-19 | 中铁工程装备集团有限公司 | Parallel robot support, the soft arm development machine that arbitrary cross-section tunnel can be excavated |
| CN109681208A (en) * | 2018-12-06 | 2019-04-26 | 中信重工机械股份有限公司 | A kind of swing type equal diameter multi-cutter-disk envelope forming tunneling boring drilling tool |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| CN113565516A (en) * | 2021-08-27 | 2021-10-29 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN113622935A (en) * | 2021-08-25 | 2021-11-09 | 中国铁建重工集团股份有限公司 | Junctional passage tunneling equipment |
| CN113833481A (en) * | 2021-09-24 | 2021-12-24 | 无锡中铁城轨装备有限公司 | Semicircular pipe jacking machine and construction method |
| US11905835B1 (en) * | 2020-09-17 | 2024-02-20 | TopEng Inc. | Tunnel digging machine (TDM) |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948200A (en) * | 2015-06-05 | 2015-09-30 | 张璐 | V-shaped head ejector pipe heading machine |
| CN105156125A (en) * | 2015-07-29 | 2015-12-16 | 中国铁建重工集团有限公司 | Shield tunnel heading machine |
| CN105257311A (en) * | 2015-11-17 | 2016-01-20 | 中铁工程装备集团有限公司 | Cutting device for soft rock large-section segmental construction |
| CN105888676A (en) * | 2016-06-03 | 2016-08-24 | 中铁工程装备集团有限公司 | Rectangular section road header used for digging underground garage |
| CN107218048B (en) * | 2017-07-27 | 2023-06-02 | 中铁工程装备集团有限公司 | Horseshoe-shaped heading machine propelled by crawler belt |
| CN107218048A (en) * | 2017-07-27 | 2017-09-29 | 中铁工程装备集团有限公司 | The shape of a hoof development machine promoted by crawler belt |
| CN108691553A (en) * | 2018-06-12 | 2018-10-23 | 中铁工程装备集团有限公司 | A kind of Freezing Method for Cross-passage Construction class rectangle push-bench |
| CN108691553B (en) * | 2018-06-12 | 2024-02-20 | 中铁工程装备集团有限公司 | Rectangular-like pipe jacking machine for construction of connecting channel |
| CN108625872A (en) * | 2018-07-17 | 2018-10-09 | 中国铁建重工集团有限公司 | A kind of push-bench |
| CN109209413A (en) * | 2018-10-26 | 2019-01-15 | 中铁工程装备集团有限公司 | The multi-cutter-disk of robot support excavates the soft arm development machine in arbitrary cross-section tunnel |
| CN109488323A (en) * | 2018-10-26 | 2019-03-19 | 中铁工程装备集团有限公司 | Parallel robot support, the soft arm development machine that arbitrary cross-section tunnel can be excavated |
| CN109209420B (en) * | 2018-10-26 | 2024-04-16 | 中铁工程装备集团有限公司 | Flexible arm heading machine for excavating tunnel with arbitrary section by double cutterheads supported by robot |
| CN109209413B (en) * | 2018-10-26 | 2024-04-09 | 中铁工程装备集团有限公司 | Flexible arm heading machine for digging tunnel with arbitrary section by multiple cutter discs supported by robot |
| CN109209420A (en) * | 2018-10-26 | 2019-01-15 | 中铁工程装备集团有限公司 | The Double-cutter of robot support excavates the soft arm development machine in arbitrary cross-section tunnel |
| CN109681208B (en) * | 2018-12-06 | 2024-02-09 | 中信重工机械股份有限公司 | Swing type full-section drilling tool with equal-diameter and multiple cutterheads for enveloping and forming |
| CN109681208A (en) * | 2018-12-06 | 2019-04-26 | 中信重工机械股份有限公司 | A kind of swing type equal diameter multi-cutter-disk envelope forming tunneling boring drilling tool |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| US11905835B1 (en) * | 2020-09-17 | 2024-02-20 | TopEng Inc. | Tunnel digging machine (TDM) |
| CN113622935B (en) * | 2021-08-25 | 2024-04-09 | 中国铁建重工集团股份有限公司 | Communication channel tunneling equipment |
| CN113622935A (en) * | 2021-08-25 | 2021-11-09 | 中国铁建重工集团股份有限公司 | Junctional passage tunneling equipment |
| CN113565516B (en) * | 2021-08-27 | 2024-03-22 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN113565516A (en) * | 2021-08-27 | 2021-10-29 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN113833481A (en) * | 2021-09-24 | 2021-12-24 | 无锡中铁城轨装备有限公司 | Semicircular pipe jacking machine and construction method |
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| CN104533435B (en) | 2017-01-04 |
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