CN113847045A - Be used for shield to construct components of a whole that can function independently pipeline extension device that starts - Google Patents
Be used for shield to construct components of a whole that can function independently pipeline extension device that starts Download PDFInfo
- Publication number
- CN113847045A CN113847045A CN202111161580.9A CN202111161580A CN113847045A CN 113847045 A CN113847045 A CN 113847045A CN 202111161580 A CN202111161580 A CN 202111161580A CN 113847045 A CN113847045 A CN 113847045A
- Authority
- CN
- China
- Prior art keywords
- clamping
- block
- adjusting
- pipeline
- shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to a shield split starting pipeline extension device, which comprises: the support frame is arranged on the inner wall of the duct piece, and an extension track is arranged on the support frame; and the sliding trolley is arranged on the extension track and can slide back and forth along the extension track, a plurality of supporting brackets are arranged on the sliding trolley at intervals, a plurality of clamping frames are arranged on the supporting brackets at intervals up and down, a plurality of clamping assemblies used for clamping the starting pipeline are arranged on the two sides of the clamping frames opposite to the supporting brackets, the bottom of each supporting bracket is detachably arranged on the sliding trolley, and the clamping frames can move up and down along the supporting brackets and are fixed on the supporting brackets. According to the invention, the pipeline can be conveniently extended and recovered in the tunnel by sliding the sliding trolley on the extension track in the front and back directions.
Description
Technical Field
The invention relates to the technical field of split starting of shields, in particular to a split starting pipeline extending device for a shield.
Background
With the popularization and application of the shield technology, the site conditions faced by the shield technology are more complex, the situation that the shield starting well space is smaller than the size of the shield machine is more common, and therefore the requirement of split starting of the shield machine is more and more great.
However, in the split shield starting technology, various pipelines and pipelines between the systems of the shield machine need to be extended for many times, which greatly reduces the construction efficiency of the shield starting section.
At present, the traditional extending method usually adopts a method of manually matching with a storage battery car for extension, at least 6 workers are required to be equipped in the method, and the damage to pipelines and pipelines in the extending process is difficult to avoid, so that the construction safety risk in the tunnel is greatly increased.
In addition, the various pipelines are mixed in the traditional pipeline extending process, and the following problems are easy to occur: firstly, the matching difficulty of the interfaces at the two ends is high, and the matching process is time-consuming and labor-consuming; secondly, the pipeline is difficult to overhaul, and after a pipeline system fails, the pipeline with the failure is difficult to locate; third, even if the faulty line is successfully located, it is difficult to replace it.
Disclosure of Invention
Aiming at the problems, the extending device for the shield split starting pipeline is simple in structure, convenient to operate, safe and reliable.
The specific technical scheme is as follows:
a split shield launch line extension apparatus having features comprising:
the support frame is arranged on the inner wall of the duct piece, and an extension track is arranged on the support frame; and
the pipeline clamping device comprises a plurality of sliding trolleys, the sliding trolleys are installed on an extending rail, the sliding trolleys can slide in a reciprocating mode along the extending rail, a plurality of supporting supports are installed on the sliding trolleys at intervals, a plurality of clamping frames are installed on the supporting supports at upper and lower intervals, a plurality of clamping assemblies used for clamping starting pipelines are installed on two sides of the supporting supports on the clamping frames, the bottoms of the supporting supports are detachably installed on the sliding trolleys, and the clamping frames can move up and down along the supporting supports and are fixed on the supporting supports.
The shield split starting pipeline extending device further has the characteristic that the clamping frame is provided with the adjusting gear and the fastening bolt used for locking the adjusting gear, the adjusting gear is rotatably connected to the clamping frame, the fastening bolt is in threaded connection with the clamping frame, and the supporting bracket is provided with the adjusting rack matched with the adjusting gear.
Foretell be used for shield to construct components of a whole that can function independently pipeline extension device that starts still has such characteristic, and the centre gripping subassembly includes fixed block, regulating block, grip block, clamping piece and adjusting screw, and the fixed block is installed on the holding frame, and the regulating block is installed in the fixed block, and regulating block and grip block sliding fit stretch out outside the fixed block the grip block bottom, and the bottom of grip block is located in the grip block to the grip block is inlayed to the clamping piece, adjusting screw threaded connection on the fixed block, and adjusting screw's one end is passed the fixed block and is inlayed and locate on the regulating block.
The shield split starting pipeline extension device is characterized in that the bottom of the clamping piece is arc-surface-shaped.
The extension device for the shield split starting pipeline is also characterized in that the bottom of the sliding trolley is provided with the roller, and the sliding trolley is clamped on the extension track through the roller.
The shield split starting pipeline extension device also has the characteristic that the support bracket is detachably arranged on the sliding trolley through bolts.
The beneficial effect of above-mentioned scheme is:
1) the pipeline is conveniently extended and recovered in the tunnel by utilizing the front and back sliding of the sliding trolley on the extension track;
2) according to the invention, different pipelines are separated and fixed, so that the problems of winding, knotting and the like among different pipelines can be avoided, and the pipeline carding and interface matching efficiency is greatly improved;
3) according to the invention, the starting pipeline is clamped by the clamping assembly so as to be suspended between the two extension tracks, so that the pipeline is prevented from contacting with the tracks and the tunnel structure, the risk of pipeline damage is greatly reduced, and the safety of constructors is effectively improved;
4) in the invention, each pipeline is fixed by the independent clamping assembly, so that each pipeline can be independently taken out without influencing other pipelines, and the maintenance and replacement of the pipelines are facilitated.
Drawings
FIG. 1 is a schematic view of the use of an extension device provided in an embodiment of the present invention;
fig. 2 is a schematic front view of an extension device provided in an embodiment of the present invention;
FIG. 3 is a schematic side view of a support bracket according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a clamping frame provided in an embodiment of the present invention;
fig. 5 is a side view of a clamping assembly according to an embodiment of the present invention.
In the drawings: 1. a support frame; 2. a duct piece; 3. an extension track; 4. a sliding trolley; 5. a support bracket; 6. a clamping frame; 7. an adjusting gear; 8. fastening a bolt; 9. adjusting the rack; 10. a fixed block; 11. an adjusting block; 12. a clamping block; 13. a clamping piece; 14. adjusting the screw rod; 15. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 5, an extension apparatus provided in an embodiment of the present invention includes: the support frame 1 is arranged on the inner wall of the duct piece 2, and the support frame 1 is provided with an extension track 3; and the sliding trolley 4 is arranged on the extension track 3, the sliding trolley 4 can slide back and forth along the extension track 3, the sliding trolley 4 is provided with a plurality of supporting brackets 5 at intervals, the supporting brackets 5 are provided with a plurality of clamping frames 6 at intervals up and down, a plurality of clamping components used for clamping the starting pipeline are arranged on the clamping frames 6 and opposite to the two sides of the supporting brackets 5, the bottom of the supporting brackets 5 is detachably arranged on the sliding trolley 4 through bolts, and the clamping frames 6 can move up and down along the supporting brackets 5 and are fixed on the supporting brackets 5.
According to the invention, after the pipeline is clamped and fixed on the sliding trolley 4 by the clamping assembly, the sliding trolley 4 can slide forwards and backwards on the extension track 3, so that the pipeline can be conveniently extended and recovered under the traction action of the sliding trolley 4.
With the structure, the pipeline can be suspended between the two extension rails (only the clamping assembly is positioned between the extension rails 3 at two sides), so that the pipeline is prevented from contacting with the rails and the tunnel structure, the risk of pipeline damage is greatly reduced, and the safety of constructors is effectively improved.
Specifically, the adjusting gear 7 and the fastening bolt 8 for locking the adjusting gear 7 are mounted on the clamping frame 6, the adjusting gear 7 is rotatably connected to the clamping frame 6, the fastening bolt 8 is spirally connected to the clamping frame 6, the supporting bracket 5 is provided with the adjusting rack 9 matched with the adjusting gear 7, the clamping frame 6 can be firstly arranged on the supporting bracket 5 in a penetrating mode, then the clamping frame 6 is shifted, the pipeline sequentially penetrates between the clamping frame 6 and the clamping frame 6 (or the supporting bracket 5) along the front and rear directions, and then the fastening bolt 8 is screwed to lock the adjusting gear 7, so that the pipeline is fixed on the supporting bracket 5. The adjusting gear 7 and the adjusting rack 9 have the function of locking the pipeline for the second time, so that the problem of low stability possibly existing in the process of dragging the pipeline for a long distance is solved.
Specifically, the clamping assembly comprises a fixed block 10, an adjusting block 11, a clamping block 12, a clamping sheet 13 and an adjusting screw 14, wherein the fixed block 10 is arranged on the clamping frame 6, the adjusting block 11 is arranged in the fixed block 10, the adjusting block 11 is in sliding fit with the clamping block 12, the bottom of the clamping block 12 extends out of the fixed block 10 (the upper part of the clamping block 12 is arranged in the fixed block 10 through an ear plate type structure so as to be capable of moving downwards under the extrusion action of the adjusting block 11), the clamping sheet 13 is embedded at the bottom of the clamping block 12, the adjusting screw 14 is spirally connected on the fixed block 10, and one end of the adjusting screw 14 passes through the fixed block 10 and is embedded on the adjusting block 11, in the invention, after the fastening bolt 8 is screwed, a user can further screw the adjusting screw 14, at the moment, the adjusting block 11 moves forwards under the action of the adjusting screw 14 and pushes the clamping block 12 downwards, so that the pipeline is fixed between the clamping frame 6 and the clamping frame 6 (or the support bracket 5) by means of the clamping pieces 13 mounted on the clamping blocks 12. In order to adapt to the fastening of the pipeline, the bottom of the clamping piece 13 is arc-shaped, so that the clamping piece can be attached to the outer wall of the pipeline. The sliding fit of the adjusting block 11 and the clamping block 12 in the invention enables a user to quickly lock/release the adjusting block 11 by screwing the adjusting screw 14 by a small amount, thereby realizing independent fixation (or taking out) of each pipeline without influencing other pipelines, and being beneficial to quick maintenance and replacement of the pipelines.
The invention can utilize the structure to realize classification, separation and fixation of different pipelines (as shown in figure 2), so as to avoid the problems of winding, knotting and the like among different pipelines and greatly improve the pipeline carding and interface matching efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A split shield initiation line extension apparatus, comprising:
the support frame (1), the support frame (1) is installed on the inner wall of the duct piece (2), and the support frame (1) is provided with an extension track (3); and
a plurality of slip platform truck (4), slip platform truck (4) install in on extending track (3), just slip platform truck (4) can be followed extend track (3) reciprocating sliding, a plurality of support bracket (5) are installed at the interval on slip platform truck (4), a plurality of holding frame (6) are installed at upper and lower interval on support bracket (5), it is relative on holding frame (6) a plurality of centre gripping subassemblies that are used for the centre gripping to originate the pipeline are installed to the both sides of support bracket (5), the detachable installation in bottom of support bracket (5) on slip platform truck (4), holding frame (6) can be followed support bracket (5) upper and lower removal and be fixed in on support bracket (5).
2. The shield split starting pipeline extending device according to claim 1, wherein an adjusting gear (7) and a fastening bolt (8) for locking the adjusting gear (7) are mounted on the clamping frame (6), the adjusting gear (7) is rotatably connected to the clamping frame (6), the fastening bolt (8) is spirally connected to the clamping frame (6), and an adjusting rack (9) matched with the adjusting gear (7) is arranged on the supporting bracket (5).
3. The extension device for the shield split starting pipeline of claim 2, wherein the clamping assembly comprises a fixed block (10), an adjusting block (11), a clamping block (12), a clamping piece (13) and an adjusting screw (14), the fixed block (10) is installed on the clamping frame (6), the adjusting block (11) is installed in the fixed block (10), the adjusting block (11) is in sliding fit with the clamping block (12), the bottom of the clamping block (12) extends out of the fixed block (10), the clamping piece (13) is embedded in the bottom of the clamping block (12), the adjusting screw (14) is spirally connected onto the fixed block (10), and one end of the adjusting screw (14) penetrates through the fixed block (10) and is embedded on the adjusting block (11).
4. The extension device for the shield split starting pipeline according to claim 3, wherein the bottom of the clamping piece (13) is arc-surface-shaped.
5. The extension device for the shield split starting pipeline according to any one of claims 1-4, wherein the bottom of the sliding trolley (4) is provided with a roller (15), and the sliding trolley (4) is clamped on the extension track (3) through the roller (15).
6. The device for shield split starting line extension according to any of claims 1-4, characterized in that the support bracket (5) is detachably mounted on the sliding trolley (4) by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161580.9A CN113847045A (en) | 2021-09-30 | 2021-09-30 | Be used for shield to construct components of a whole that can function independently pipeline extension device that starts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161580.9A CN113847045A (en) | 2021-09-30 | 2021-09-30 | Be used for shield to construct components of a whole that can function independently pipeline extension device that starts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113847045A true CN113847045A (en) | 2021-12-28 |
Family
ID=78977408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111161580.9A Pending CN113847045A (en) | 2021-09-30 | 2021-09-30 | Be used for shield to construct components of a whole that can function independently pipeline extension device that starts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113847045A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320387A (en) * | 2021-12-31 | 2022-04-12 | 中交二公局第一工程有限公司 | Lining segment conveying device and method for split starting of shield |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557569U (en) * | 1991-12-27 | 1993-07-30 | ダイハツ工業株式会社 | Clamp device for slender material |
| JP2007320102A (en) * | 2006-05-31 | 2007-12-13 | Toyota Motor Corp | Molding device and manufacturing method of molded article |
| CN202560321U (en) * | 2012-03-29 | 2012-11-28 | 中建交通建设集团有限公司 | Shield split starting pipeline synchronous moving device |
| CN104354967A (en) * | 2014-10-14 | 2015-02-18 | 重庆蓝黛动力传动机械股份有限公司 | Compressing component |
| CN204339643U (en) * | 2014-12-28 | 2015-05-20 | 哈尔滨果岭科技发展有限公司 | Available gear regulates the fixture of length |
| JP2015178859A (en) * | 2014-03-19 | 2015-10-08 | Ｊｆｅエンジニアリング株式会社 | Pipeline laying method and equipment transport device |
| CN105172085A (en) * | 2015-10-16 | 2015-12-23 | 宁海县大鹏模具塑料有限公司 | Device for adjusting and adapting thickness of insert glass by injection mold |
| CN205380489U (en) * | 2016-03-17 | 2016-07-13 | 常州市科邦精密数控机械有限公司 | Machining clamp for numerical control machine |
| CN106989212A (en) * | 2017-06-05 | 2017-07-28 | 大丰市天曌机械科技有限公司 | A kind of multitubular bundles pipeline positioning device |
| CN207048819U (en) * | 2017-07-05 | 2018-02-27 | 中建五局第三建设有限公司 | Pit slope area comprehensive pipeline arrangement system |
| CN108007591A (en) * | 2018-01-31 | 2018-05-08 | 四川赛康智能科技股份有限公司 | A kind of breaker of switch cabinet moving contact temperature transducer fixed mechanism |
| CN207500626U (en) * | 2017-11-10 | 2018-06-15 | 中航天建设工程有限公司 | Support of pipelines |
| CN207982873U (en) * | 2018-03-15 | 2018-10-19 | 内蒙古华泽装备制造有限公司 | A kind of heavy type planer milling machine fast fixture |
| CN209604675U (en) * | 2019-03-19 | 2019-11-08 | 中建二局第二建筑工程有限公司 | A kind of construction pipeline fixing device |
| CN110768180A (en) * | 2019-11-18 | 2020-02-07 | 韩龙 | Thing networking light current engineering spool installation fixed knot constructs convenient to combination |
| CN211174116U (en) * | 2019-12-25 | 2020-08-04 | 粤水电轨道交通建设有限公司 | Shield tunnel pipeline moving device |
| CN111520539A (en) * | 2020-05-09 | 2020-08-11 | 无锡市锡山三建实业有限公司 | Device for jacking construction of pipeline |
| CN211230550U (en) * | 2019-10-25 | 2020-08-11 | 四川路桥建设集团交通工程有限公司 | Tunnel pipeline, electromechanical device fixing device |
| CN111745556A (en) * | 2019-03-28 | 2020-10-09 | 东泰高科装备科技有限公司 | Clamp |
| CN111810722A (en) * | 2020-07-21 | 2020-10-23 | 兰新伟 | Pipeline fixing device on construction frame |
| CN212156413U (en) * | 2020-06-03 | 2020-12-15 | 哈尔滨剑桥学院 | Shell support of translation equipment |
| CN212536923U (en) * | 2020-05-13 | 2021-02-12 | 广州恒龙建设工程有限公司 | Building hot-water heating rack with shock-absorbing function just is convenient for fold and places |
| CN113328390A (en) * | 2021-06-18 | 2021-08-31 | 国网甘肃省电力公司兰州供电公司 | Fixing device capable of adjusting high-voltage cable support |
| CN214213427U (en) * | 2020-12-24 | 2021-09-17 | 南京誉胜模具材料有限公司 | Clamping device for machining die steel plate |
-
2021
- 2021-09-30 CN CN202111161580.9A patent/CN113847045A/en active Pending
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557569U (en) * | 1991-12-27 | 1993-07-30 | ダイハツ工業株式会社 | Clamp device for slender material |
| JP2007320102A (en) * | 2006-05-31 | 2007-12-13 | Toyota Motor Corp | Molding device and manufacturing method of molded article |
| CN202560321U (en) * | 2012-03-29 | 2012-11-28 | 中建交通建设集团有限公司 | Shield split starting pipeline synchronous moving device |
| JP2015178859A (en) * | 2014-03-19 | 2015-10-08 | Ｊｆｅエンジニアリング株式会社 | Pipeline laying method and equipment transport device |
| CN104354967A (en) * | 2014-10-14 | 2015-02-18 | 重庆蓝黛动力传动机械股份有限公司 | Compressing component |
| CN204339643U (en) * | 2014-12-28 | 2015-05-20 | 哈尔滨果岭科技发展有限公司 | Available gear regulates the fixture of length |
| CN105172085A (en) * | 2015-10-16 | 2015-12-23 | 宁海县大鹏模具塑料有限公司 | Device for adjusting and adapting thickness of insert glass by injection mold |
| CN205380489U (en) * | 2016-03-17 | 2016-07-13 | 常州市科邦精密数控机械有限公司 | Machining clamp for numerical control machine |
| CN106989212A (en) * | 2017-06-05 | 2017-07-28 | 大丰市天曌机械科技有限公司 | A kind of multitubular bundles pipeline positioning device |
| CN207048819U (en) * | 2017-07-05 | 2018-02-27 | 中建五局第三建设有限公司 | Pit slope area comprehensive pipeline arrangement system |
| CN207500626U (en) * | 2017-11-10 | 2018-06-15 | 中航天建设工程有限公司 | Support of pipelines |
| CN108007591A (en) * | 2018-01-31 | 2018-05-08 | 四川赛康智能科技股份有限公司 | A kind of breaker of switch cabinet moving contact temperature transducer fixed mechanism |
| CN207982873U (en) * | 2018-03-15 | 2018-10-19 | 内蒙古华泽装备制造有限公司 | A kind of heavy type planer milling machine fast fixture |
| CN209604675U (en) * | 2019-03-19 | 2019-11-08 | 中建二局第二建筑工程有限公司 | A kind of construction pipeline fixing device |
| CN111745556A (en) * | 2019-03-28 | 2020-10-09 | 东泰高科装备科技有限公司 | Clamp |
| CN211230550U (en) * | 2019-10-25 | 2020-08-11 | 四川路桥建设集团交通工程有限公司 | Tunnel pipeline, electromechanical device fixing device |
| CN110768180A (en) * | 2019-11-18 | 2020-02-07 | 韩龙 | Thing networking light current engineering spool installation fixed knot constructs convenient to combination |
| CN211174116U (en) * | 2019-12-25 | 2020-08-04 | 粤水电轨道交通建设有限公司 | Shield tunnel pipeline moving device |
| CN111520539A (en) * | 2020-05-09 | 2020-08-11 | 无锡市锡山三建实业有限公司 | Device for jacking construction of pipeline |
| CN212536923U (en) * | 2020-05-13 | 2021-02-12 | 广州恒龙建设工程有限公司 | Building hot-water heating rack with shock-absorbing function just is convenient for fold and places |
| CN212156413U (en) * | 2020-06-03 | 2020-12-15 | 哈尔滨剑桥学院 | Shell support of translation equipment |
| CN111810722A (en) * | 2020-07-21 | 2020-10-23 | 兰新伟 | Pipeline fixing device on construction frame |
| CN214213427U (en) * | 2020-12-24 | 2021-09-17 | 南京誉胜模具材料有限公司 | Clamping device for machining die steel plate |
| CN113328390A (en) * | 2021-06-18 | 2021-08-31 | 国网甘肃省电力公司兰州供电公司 | Fixing device capable of adjusting high-voltage cable support |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320387A (en) * | 2021-12-31 | 2022-04-12 | 中交二公局第一工程有限公司 | Lining segment conveying device and method for split starting of shield |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7739959B2 (en) | Over/under monorail system for longwall mining operations | |
| CN113847045A (en) | Be used for shield to construct components of a whole that can function independently pipeline extension device that starts | |
| US4784257A (en) | Conveyor system including a re-railer | |
| CN109050571B (en) | Anti-sliding device for shield tunnel electric locomotive | |
| CN201982125U (en) | End head and tail advance support bracket for fully-mechanized caving face | |
| CN211475424U (en) | Monitoring device's in intelligence commodity circulation storehouse installing support | |
| CN107161037B (en) | A kind of wire casing dismounting erecting by overhang used for rail vehicle | |
| CN103736772B (en) | A kind of extrudate guiding device | |
| CN201786158U (en) | Sliding door suspension position adjusting device of subway shielding door system | |
| CN210686053U (en) | Equipment train system of fully mechanized coal mining face | |
| CN212422960U (en) | Loading device of petroleum pipeline transport vehicle | |
| CN203020329U (en) | Self-moving system of equipment trains for fully mechanized coal face | |
| CN105239470B (en) | Portable independent suspended railway sleeper for subsequent trolley matched with shield tunneling machine | |
| CN207259056U (en) | A kind of monoblock type duplex type press rope wheel group | |
| CN207570323U (en) | Double kiln car ferry buses with positioning function | |
| CN217354385U (en) | Continuous belt conveyor extension frame installation protection device for roadway excavation | |
| CN214778656U (en) | Self-moving traction connecting device for belt supporting running vehicle of belt conveyor | |
| CN217347850U (en) | Auxiliary displacement vehicle for construction pipeline | |
| CN104153705B (en) | Tunnel geology detections of radar tower wagon modifying device | |
| CN216920032U (en) | Cast-in-place bridge tuyere construction dolly | |
| CN218192919U (en) | Automatic feeding device for double-end saw | |
| CN216332064U (en) | Special track loader for derailing of underground mine car | |
| CN212558116U (en) | Rail type cable storage device | |
| CN213008143U (en) | Mine car covering equipment | |
| CN214362941U (en) | Suspension bridge catwalk manned track system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |