CN107630709A - A kind of bored tunnel construction portable chassis and its construction method - Google Patents

A kind of bored tunnel construction portable chassis and its construction method Download PDF

Info

Publication number
CN107630709A
CN107630709A CN201710927694.7A CN201710927694A CN107630709A CN 107630709 A CN107630709 A CN 107630709A CN 201710927694 A CN201710927694 A CN 201710927694A CN 107630709 A CN107630709 A CN 107630709A
Authority
CN
China
Prior art keywords
chassis
door frame
template
construction
bored tunnel
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.)
Granted
Application number
CN201710927694.7A
Other languages
Chinese (zh)
Other versions
CN107630709B (en
Inventor
朱志雄
杨文富
陈通
朱自祥
杨家松
张焰
潘前外
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway No 2 Engineering Group Co Ltd
China Railway Erju 2nd Engineering Co Ltd
Original Assignee
China Railway No 2 Engineering Group Co Ltd
China Railway Erju 2nd Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway No 2 Engineering Group Co Ltd, China Railway Erju 2nd Engineering Co Ltd filed Critical China Railway No 2 Engineering Group Co Ltd
Priority to CN201710927694.7A priority Critical patent/CN107630709B/en
Publication of CN107630709A publication Critical patent/CN107630709A/en
Application granted granted Critical
Publication of CN107630709B publication Critical patent/CN107630709B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of portable chassis of bored tunnel construction, including chassis door frame, travelling wheel below the chassis door frame, and the supporting track being adapted with the travelling wheel, suspension arm is stretched out respectively in the left and right sides of the chassis door frame, the suspension arm is connected with form cage, and hydraulic strut is additionally provided between the chassis door frame and the form cage.In bored tunnel construction, constructed according to above-mentioned portable chassis, the form cage can be hung directly from chassis by suspension arm, after position and positioning that form cage is adjusted by hydraulic strut, construction template can be mounted directly on the outside of form cage, casting concrete and conserved, convenient and quick construction in template again afterwards, construction progress can be greatly speeded up;After the completion of construction, the template and concrete are separated from each other, after withdrawing template, chassis can directly to next construction segmental construction, utilization ratio of device be high, greatly reduces construction cost for traveling.

Description

A kind of bored tunnel construction portable chassis and its construction method
Technical field
The present invention relates to tunnels and underground engineering construction field, the more particularly to a kind of portable chassis of bored tunnel construction And its construction method.
Background technology
Classified according to the excavation method in tunnel, open trench tunnel and bored tunnel can be divided into.Because cut and cover method is to surrounding Environmental disturbances are big, influence ground normal traffic, more and more inapplicable in Construction of Urban Rail Traffic, meanwhile, tunneling rule by In its relatively strong adaptability to contemporary urban environment, increasingly applied in urban tunnel construction.
At present, bored tunnel side wall, air channel, middle plate generally use steel pipe sets up full framing, the mode of gang form is entered Row construction, its main sequence of construction is bottom plate → side wall → air channel → middle plate.Support, the template number of construction method needs Greatly, and need successively to be set up section by section according to construction speed and Flow Pace, there is that resource input is big, progress is slow, effect is low, mould The problem of plate loss is high, security risk source is more, modern-style construction difficulty is big.
The content of the invention
It is an object of the invention to overcome the existing construction method of the bored tunnel in the presence of prior art resource to be present Input is big, progress is slow, effect is low, template loss is high, the deficiency that security risk source is more, modern-style construction difficulty is big, there is provided one Kind bored tunnel construction portable chassis and its construction method.
In order to realize foregoing invention purpose, the invention provides following technical scheme:
A kind of bored tunnel construction is with portable chassis, including chassis door frame, walking below the chassis door frame Road wheel, and the supporting track being adapted with the travelling wheel, suspension arm is stretched out respectively in the left and right sides of the chassis door frame, The suspension arm is connected with form cage, and hydraulic strut is additionally provided between the chassis door frame and the form cage.
In the side wall construction of bored tunnel, constructed according to above-mentioned portable chassis, the form cage passes through Suspension arm can be hung directly from chassis, can be in form cage after position and positioning that form cage is adjusted by hydraulic strut Outside is mounted directly construction side wall template, casting concrete and is conserved in side wall template again afterwards, convenient and quick construction can Greatly speed up construction progress.After the completion of construction, the side wall template and concrete are separated from each other, after withdrawing side wall template, platform Car can directly to next construction segmental construction, utilization ratio of device be high, has saved transition between support usage charges, section and has carried for traveling Take, repeat mounting and dismounting cost, saved side wall formwork reinforcement measure expense, greatly reduced construction cost.
On the other hand, it is mobile trolley used simple in construction, it is easily installed dismounting, transition, positioning are quick between section, efficiency of construction Height, and it is clean and tidy using place during mobile trolley used constructed, safety, modern-style construction difficulty reduce.
Preferably, some common struts, auxiliary hydraulic pressure support are additionally provided between the chassis door frame and the form cage Bar is supported to form cage, ensures support strength.
Preferably, the form cage and the suspension arm detachable connection, are easily installed dismounting.
Preferably, including two chassis door frames, it is removable by support bar between chassis between two chassis door frames Formula connection is unloaded, chassis door frame quantity can be selected according to actual conditions, and detachable connection mode facilitates the peace of chassis door frame Dress, transport and dismounting.
Preferably, two chassis door frames are located at tunnel center pillar both sides respectively, facilitate chassis door frame to install.
Preferably, chassis roof panel is also erected with the top of the chassis door frame, and is provided with the chassis roof panel Air channel template and middle template die plate, constructed for air channel and middle plate, the air channel template, middle template die plate and the chassis roof panel can It is detachably connected with, easy installation and removal, repeats and utilize, facilitate transition.
Preferably, each chassis door frame includes some chassis crossbeams being parallel to each other, the every chassis crossbeam Both ends are respectively connected with chassis column, are connected with Crossing brace between adjacent stations stay, the bottom of all chassis columns and Chassis longeron is connected, and several chassis hydraulic stems are provided with below the chassis longeron.The chassis door frame by chassis crossbeam, Chassis column, chassis longeron and Crossing brace are assembled, the rigidity of structure, the strength and stability of chassis are ensure that, described The chassis hydraulic stem of installation below chassis longeron, can trolley traveling in place after, decline and be supported on the supporting track, it is real The fixation of existing chassis.
Preferably, the chassis hydraulic stem is uniformly distributed along the chassis longeron, improves support strength and stability of strutting system.
Preferably, chassis staircase is also equipped with the outside of the chassis door frame, is easy to workmen's chassis up and down.
The construction method of the portable chassis of a kind of bored tunnel construction, including the use of a kind of any above-mentioned bored tunnel Construction portable chassis, including following construction procedure:
Step 1:Track foundation is laid, separation layer is set, pours base concrete;
Step 2:Supporting track for chassis walking is installed;
Step 3:Assembly jig car door frame simultaneously installs suspension arm, hydraulic strut and travelling wheel;
Step 4:The installation form skeleton on the suspension arm, and the connecting side wall form on the outside of the form cage;
Step 5:The colligation of side wall reinforcing bar is completed;
Step 6:Trolley traveling simultaneously positions, while debugs side wall template position, side wall Template Location;
Step 7:Chassis roof panel is set up, air channel template is installed, colligation air channel reinforcing bar, pours air channel concrete, and carry out Maintenance;
Step 8:Template die plate in being installed on the chassis roof panel, slab muscle in colligation;
Step 9:Side wall concrete and middle board concrete are poured, and is conserved;
Step 10:After constructing check is qualified, hydraulic strut is adjusted, separates template and concrete;
Step 11:Trolley traveling is to next section and positions, and is circulated into subsequent work.
, the problem of support and template repeat to set up and remove, can be simultaneously during this construction method solves constructing tunnel Construction side wall, air channel, middle plate, effectively increase operating efficiency;Reduce the proportion of goods damageds of template, it is ensured that construction environment is orderly, peace Entirely;The chassis utilization rate is high, has saved transition portage between support usage charges, section, has repeated mounting and dismounting cost, has saved side Wall form reinforcement measure is taken, and greatly reduces construction cost.
Preferably, the quantity of chassis door frame described in the step 3 is two, and between two chassis door frames Erecting bed workshop support bar.
Preferably, the form cage described in the step 4 and the suspension arm detachable connection, the side wall mould Plate and form cage bolt, convenient dismounting, improve recycling rate of waterused.
Preferably, the step 3, which is additionally included between the chassis door frame and the form cage, is provided with some commonly Strut, so as to which auxiliary hydraulic pressure strut is supported to form cage, ensure support strength.
Compared with prior art, beneficial effects of the present invention:
(1) it is mobile trolley used simple in construction, it is easily installed dismounting, transition, positioning are quick between section, and efficiency of construction is high, and profit Clean and tidy with place during mobile trolley used constructed, safety, modern-style construction difficulty reduce;Utilization ratio of device is high, easy for construction Fast, construction progress can be greatly speeded up.
(2), the problem of support and template repeat to set up and remove, can be same during this construction method solves constructing tunnel When construct side wall, air channel, middle plate, effectively increase operating efficiency;Reduce the proportion of goods damageds of template, it is ensured that construction environment in order, Safety;The chassis utilization rate is high, has saved transition portage between support usage charges, section, has repeated mounting and dismounting cost, has saved Side wall formwork reinforcement measure expense, greatly reduces construction cost.
Brief description of the drawings:
Fig. 1 is a kind of front view of the portable chassis of bored tunnel construction of the present invention.
Fig. 2 is the connection diagram of form cage of the present invention and chassis door frame.
Fig. 3 is a kind of side view of the portable chassis of bored tunnel construction of the present invention.
Fig. 4 is the structural representation of chassis door frame of the present invention.
Fig. 5 is a kind of schematic flow sheet of bored tunnel construction construction method of portable chassis of the present invention.
Marked in figure:Support bar between 1- chassis, 2- chassis door frames, 21- chassis crossbeams, 22- chassis longerons, 23- chassis are stood Post, 24- Crossing braces, 25- chassis staircases, 26- chassis hydraulic stems, 3- travelling wheels, the supporting tracks of 4-, 5- hydraulic struts, 6- are common Strut, 7- form cages, 8- side wall templates, 9- air channels template, template die plate in 10-, 11- chassis roof panels, 12- center pillars, 13- rails Road basis, 14- suspension arms.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized The scope of invention.
Embodiment 1
As shown in Figure 1-2, a kind of bored tunnel construction portable chassis, including the center pillar 12 installed in completion of having constructed Two chassis door frames 2 of both sides, by the detachable connection of support bar between chassis 1 between two chassis door frames 2, it is arranged on The travelling wheel 3 of the lower section of the chassis door frame 2, and be adapted on track foundation 13 and with the travelling wheel 3 supporting Track 4, stretching out suspension arm 14 respectively in the left and right sides of the chassis door frame 2, the suspension arm 14 is connected with form cage 7, Hydraulic strut 5 and some common struts 6 are additionally provided between the chassis door frame 2 and the form cage 7, in the template bone Bolt has side wall template 8 on frame 7.
As Figure 1-4, each chassis door frame 2 includes some chassis crossbeams 21 being parallel to each other, described in every The both ends of chassis crossbeam 21 are respectively connected with chassis column 23, are connected with Crossing brace 24 between adjacent stations stay 23, every described It is also equipped with Crossing brace 24 between stay and the chassis crossbeam 21, the bottom of 23 all chassis columns 23 is and chassis Longeron 22 is connected, and the lower section of chassis longeron 22 is provided with several chassis hydraulic stems 26.Also pacify in the outside of chassis door frame 2 Equipped with chassis staircase 25, the top of chassis door frame 2 is also erected with chassis roof panel 11, and pacifies on the chassis roof panel 11 Equipped with air channel template 9 and middle template die plate 10.
In the side wall of bored tunnel, air channel, the construction of middle plate, constructed according to above-mentioned portable chassis, the mould Framework 7 can be hung directly from chassis by suspension arm 14, and position and the positioning of form cage 7 are adjusted by hydraulic strut 5 Afterwards, construction side wall template 8 can be mounted directly in the outside of form cage 7, and the air channel template 9 and middle template die plate 10 can be direct On the chassis roof panel 11.Casting concrete and conserved, convenient and quick construction in template again afterwards, can greatly greatly Fast construction progress.After the completion of construction, the template and concrete are separated from each other, after withdrawing template, chassis can directly traveling be extremely Next construction segmental construction, utilization ratio of device is high, has saved transition portage between support usage charges, section, has repeated installing/dismounting Take, saved side wall formwork reinforcement measure expense, greatly reduced construction cost.
On the other hand, it is mobile trolley used simple in construction, it is easily installed dismounting, transition, positioning are quick between section, efficiency of construction Height, and it is clean and tidy using place during mobile trolley used constructed, safety, modern-style construction difficulty reduce.
Embodiment 2
As shown in figure 5, a kind of construction method of the portable chassis of bored tunnel construction, including the use of any described one Kind bored tunnel construction portable chassis, including following construction procedure:
Step 1:Track foundation 13 is laid, separation layer is set, pours base concrete;
Step 2:Supporting track 4 for chassis walking is installed;
Step 3:Assembly jig car door frame 2 simultaneously installs suspension arm 14, hydraulic strut 5 and travelling wheel 3;
Step 4:The installation form skeleton 7 on the suspension arm 14, and in the outside of the form cage 7 connection side wall mould Plate 8;
Step 5:The colligation of side wall reinforcing bar is completed;
Step 6:Trolley traveling simultaneously positions, while debugs the position of side wall template 8, and side wall template 8 positions;
Step 7:Chassis roof panel 11 is set up, air channel template 9 is installed, colligation air channel reinforcing bar, pours air channel concrete, and Conserved;
Step 8:Template die plate 10 in being installed on the chassis roof panel 11, slab muscle in colligation;
Step 9:Side wall concrete and middle board concrete are poured, and is conserved;
Step 10:After constructing check is qualified, hydraulic strut 5 is adjusted, separates template and concrete;
Step 11:Trolley traveling is to next section and positions, and is circulated into subsequent work.
, the problem of support and template repeat to set up and remove, can be simultaneously during this construction method solves constructing tunnel Construction side wall, air channel, middle plate, effectively increase operating efficiency;Reduce the proportion of goods damageds of template, it is ensured that construction environment is orderly, peace Entirely;The chassis utilization rate is high, has saved transition portage between support usage charges, section, has repeated mounting and dismounting cost, has saved side Wall form reinforcement measure is taken, and greatly reduces construction cost.
Preferably, the quantity of chassis door frame 2 described in the step 3 is two, and between two chassis door frames Erecting bed workshop support bar 1.
Preferably, the form cage 7 described in the step 4 and the detachable connection of the suspension arm 14, the side wall Template 8 and the form cage 7 bolt, and facilitate installing/dismounting, improve recycling rate of waterused.
Above example only not limits technical scheme described in the invention to illustrate the present invention, although this explanation Book is with reference to above-mentioned each embodiment to present invention has been detailed description, but the present invention is not limited to above-mentioned specific implementation Mode, therefore any the present invention is modified or equivalent substitution;And the technical side of all spirit and scope for not departing from invention Case and its improvement, it all should cover among scope of the presently claimed invention.

Claims (10)

1. the portable chassis of a kind of bored tunnel construction, it is characterised in that including chassis door frame (2), installed in the chassis Travelling wheel (3) below door frame (2), and the supporting track (4) being adapted with the travelling wheel (3), in the chassis door frame (2) suspension arm (14) is stretched out in the left and right sides respectively, and the suspension arm (14) is connected with form cage (7), the chassis door frame (2) hydraulic strut (5) is additionally provided between the form cage (7).
A kind of 2. portable chassis of bored tunnel construction according to claim 1, it is characterised in that the chassis door frame (2) some common struts (6) are additionally provided between the form cage (7).
A kind of 3. portable chassis of bored tunnel construction according to claim 1, it is characterised in that the form cage And the suspension arm (14) detachable connection (7).
4. the portable chassis of a kind of bored tunnel construction according to claim 1, it is characterised in that including described in two Chassis door frame (2), pass through support bar between chassis (1) detachable connection between two chassis door frames (2).
A kind of 5. portable chassis of bored tunnel construction according to right 4, it is characterised in that two chassis door frames (2) it is located at tunnel center pillar (12) both sides respectively.
A kind of 6. portable chassis of bored tunnel construction according to claim 1, it is characterised in that the chassis door frame (2) top is also erected with chassis roof panel (11), and is provided with air channel template (9) and middle plate on the chassis roof panel (11) Template (10).
7. according to a kind of any described portable chassis of bored tunnel construction of claim 1-6, it is characterised in that Mei Gesuo Stating chassis door frame (2) includes some chassis crossbeams (21) being parallel to each other, and every chassis crossbeam (21) both ends are all connected with There is chassis column (23), Crossing brace (24) is connected between adjacent stations stay, the bottom of all chassis columns (23) is equal It is connected with chassis longeron (22), several chassis hydraulic stems (26) is installed below the chassis longeron (22).
8. the construction method of the portable chassis of a kind of bored tunnel construction, it is characterised in that including the use of such as claim 1-7 Any described a kind of bored tunnel construction portable chassis, including following construction procedure:
Step 1:Track foundation (13) is laid, separation layer is set, pours base concrete;
Step 2:Supporting track (4) for chassis walking is installed;
Step 3:Assembly jig car door frame (2) simultaneously installs suspension arm (14), hydraulic strut (5) and travelling wheel (3);
Step 4:The installation form skeleton (7) on the suspension arm (14), and the connection side wall on the outside of the form cage (7) Template (8);
Step 5:The colligation of side wall reinforcing bar is completed;
Step 6:Trolley traveling simultaneously positions, while debugs side wall template (8) position, side wall template (8) positioning;
Step 7:Chassis roof panel (11) is set up, installation air channel template (9), colligation air channel reinforcing bar, pours air channel concrete, and Conserved;
Step 8:Template die plate (10) in being installed on the chassis roof panel (11), slab muscle in colligation;
Step 9:Side wall concrete and middle board concrete are poured, and is conserved;
Step 10:After constructing check is qualified, hydraulic strut (5) is adjusted, separates template and concrete;
Step 11:Trolley traveling is to next section and positions, and is circulated into subsequent work.
A kind of 9. construction method of the portable chassis of bored tunnel construction according to claim 8, it is characterised in that institute The quantity for stating chassis door frame described in step 3 (2) is two, and erecting bed workshop supports between two chassis door frames Bar (1).
A kind of 10. construction method of the portable chassis of bored tunnel construction according to claim 8, it is characterised in that The form cage (7) described in the step 4 and the suspension arm (14) detachable connection, the side wall template (8) and institute State form cage (7) bolt.
CN201710927694.7A 2017-09-30 2017-09-30 A kind of construction method of the mobile trolley of bored tunnel construction Active CN107630709B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710927694.7A CN107630709B (en) 2017-09-30 2017-09-30 A kind of construction method of the mobile trolley of bored tunnel construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710927694.7A CN107630709B (en) 2017-09-30 2017-09-30 A kind of construction method of the mobile trolley of bored tunnel construction

Publications (2)

Publication Number Publication Date
CN107630709A true CN107630709A (en) 2018-01-26
CN107630709B CN107630709B (en) 2019-10-11

Family

ID=61104971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710927694.7A Active CN107630709B (en) 2017-09-30 2017-09-30 A kind of construction method of the mobile trolley of bored tunnel construction

Country Status (1)

Country Link
CN (1) CN107630709B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385718A (en) * 2018-02-01 2018-08-10 中建三局集团有限公司 Truss walking telescoping steel form equipment and construction method in a kind of detachable lightweight of large span
CN109538245A (en) * 2018-12-04 2019-03-29 中铁十二局集团有限公司 A kind of no column stalk vault subway station formwork jumbo and its construction method
CN109812280A (en) * 2019-01-03 2019-05-28 上海隧道工程有限公司 Plain form trolley for sidewall structure inside shield tunnel of constructing
CN110107317A (en) * 2019-05-31 2019-08-09 上海隧道工程有限公司 Pour the mould bases trolley and its construction method of the middle plate in shield tunnel
CN111364741A (en) * 2020-04-01 2020-07-03 中交第三航务工程局有限公司南京分公司 Construction process for integrally moving disc buckle type full-hall support

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2428573Y (en) * 2000-05-07 2001-05-02 余波 Concrete-lining building trolley supported by connection lever mechanism
CN201835842U (en) * 2010-10-22 2011-05-18 中国石油化工集团公司 Secondary lining integral trolley with pipeline passing through small-section tunnel of mountain body
CN102296971A (en) * 2011-08-08 2011-12-28 湖南五新重型装备有限公司 Lining method for tunnel emergency turnout strips and tunnel-lining trolley
CN204344137U (en) * 2014-12-07 2015-05-20 中国葛洲坝集团股份有限公司 The narrow transition section steel form carrier of a kind of tunnel bundle
CN205618174U (en) * 2016-04-14 2016-10-05 中铁八局集团第二工程有限公司 Box culvert platform truck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2428573Y (en) * 2000-05-07 2001-05-02 余波 Concrete-lining building trolley supported by connection lever mechanism
CN201835842U (en) * 2010-10-22 2011-05-18 中国石油化工集团公司 Secondary lining integral trolley with pipeline passing through small-section tunnel of mountain body
CN102296971A (en) * 2011-08-08 2011-12-28 湖南五新重型装备有限公司 Lining method for tunnel emergency turnout strips and tunnel-lining trolley
CN204344137U (en) * 2014-12-07 2015-05-20 中国葛洲坝集团股份有限公司 The narrow transition section steel form carrier of a kind of tunnel bundle
CN205618174U (en) * 2016-04-14 2016-10-05 中铁八局集团第二工程有限公司 Box culvert platform truck

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385718A (en) * 2018-02-01 2018-08-10 中建三局集团有限公司 Truss walking telescoping steel form equipment and construction method in a kind of detachable lightweight of large span
CN109538245A (en) * 2018-12-04 2019-03-29 中铁十二局集团有限公司 A kind of no column stalk vault subway station formwork jumbo and its construction method
CN109538245B (en) * 2018-12-04 2020-05-15 中铁十二局集团有限公司 Construction method of template trolley for non-column straight-wall vault subway station
CN109812280A (en) * 2019-01-03 2019-05-28 上海隧道工程有限公司 Plain form trolley for sidewall structure inside shield tunnel of constructing
CN110107317A (en) * 2019-05-31 2019-08-09 上海隧道工程有限公司 Pour the mould bases trolley and its construction method of the middle plate in shield tunnel
CN110107317B (en) * 2019-05-31 2020-12-01 上海隧道工程有限公司 Formwork trolley for pouring middle plate in shield tunnel and construction method thereof
CN111364741A (en) * 2020-04-01 2020-07-03 中交第三航务工程局有限公司南京分公司 Construction process for integrally moving disc buckle type full-hall support

Also Published As

Publication number Publication date
CN107630709B (en) 2019-10-11

Similar Documents

Publication Publication Date Title
CN107630709A (en) A kind of bored tunnel construction portable chassis and its construction method
CN106089253B (en) A kind of all-hydraulic template system poured for culvert
CN104097253B (en) Cross-saddle single-track traffic environment protection movable formula pre-track beam forms system
CN105220626A (en) Steel form device and the construction method that combines with outer steel mould plate thereof in a kind of self-propelled
CN102392536B (en) Construction method for long-span hanging vestibule type template support system
CN107254849A (en) Steel box-girder installation method under a kind of clear height constrained state
CN114961334B (en) High-altitude large-span overhanging structure closed protection dismantling system and construction method thereof
KR20210054303A (en) Concrete lining formwork for tunnels with sloped construction
CN202544854U (en) Lining trolley for subway station
CN204662952U (en) A kind of self-propelled tool single side formwork formwork system
CN205895256U (en) Working trolley suitable for construction of big section loess tunnel subsection
CN107060823A (en) Tunnel anchorage section two serves as a contrast concrete construction without dismounting chassis
CN205936645U (en) A full liquid die plate system for culvert is pour
CN210659228U (en) Movable single-side formwork system for subway construction
CN205100119U (en) Steel form device in self -propelled
CN205400756U (en) Variable section platform truck
CN105422137B (en) The big headroom modularization lining trolley in tunnel
CN202176343U (en) Self-propelled multifunctional template trolley combining device
CN212336714U (en) Self-propelled truss supporting template
CN206092014U (en) Interim support system transfer table car suitable for multi -pilot is wide open and digs
CN105569687A (en) Gantry supporting structure for tunnel lining trolley
CN206329347U (en) A kind of lining trolley for metro station construction
CN105332345A (en) Lifting type construction system for bridge superstructure construction and construction method thereof
CN205604089U (en) Whole sideslip system of cast -in -situ box girder gate -type full framing
CN205206841U (en) Big headroom modularization lining cutting platform truck in tunnel

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16

Applicant after: China Railway Second Bureau Construction Co.,Ltd.

Applicant after: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD.

Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16

Applicant before: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd.

Applicant before: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190815

Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16

Applicant after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd.

Applicant after: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD.

Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16

Applicant before: China Railway Second Bureau Construction Co.,Ltd.

Applicant before: CHINA RAILWAY ERJU SECOND ENGINEERING CO.,LTD.

GR01 Patent grant
GR01 Patent grant