CN110805454A - Simple and easy rack of double-line tunnel multipurpose - Google Patents

Simple and easy rack of double-line tunnel multipurpose Download PDF

Info

Publication number
CN110805454A
CN110805454A CN201911015316.7A CN201911015316A CN110805454A CN 110805454 A CN110805454 A CN 110805454A CN 201911015316 A CN201911015316 A CN 201911015316A CN 110805454 A CN110805454 A CN 110805454A
Authority
CN
China
Prior art keywords
tunnel
platform
double
upright
simple rack
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
Application number
CN201911015316.7A
Other languages
Chinese (zh)
Inventor
张馨
王小丹
柳其圣
邹中林
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 18th Bureau Group Co Ltd
Original Assignee
China Railway 18th Bureau Group 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 18th Bureau Group Co Ltd filed Critical China Railway 18th Bureau Group Co Ltd
Priority to CN201911015316.7A priority Critical patent/CN110805454A/en
Publication of CN110805454A publication Critical patent/CN110805454A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor

Abstract

The invention discloses a multi-purpose simple rack for a double-line tunnel, which relates to the technical field of tunnel construction equipment and comprises a portal frame, a platform structure and a spraying device; the platform structure is arranged on the portal frame, and the spraying device is used for spraying water into the tunnel. The structure is simple, the use is convenient, and the requirement on the technical level of operators is low; the maintenance is simple and convenient, the maintenance can be carried out at any time, the water curtain is uniform, the concrete surface is ensured to be in a wet state all the time, no dead angle and no leakage exist, and the problems of cracking and insufficient maintenance of the concrete surface of the second lining are solved; the water path is arranged along the surface of the tunnel in a profiling way, so that the adaptability is strong; the bench has the functions of assisting in knocking inspection and defect treatment. A good operation platform is provided for the operators; the durability is good, the maintenance is convenient, and the construction operation of the tunnel is not influenced; the steam curing trolley has lower cost and is easier to popularize and use; the tunnel has the advantages of reducing equipment in the tunnel, along with good sight line, and is favorable for the passing of transport vehicles and the through view of measuring radioactive rays.

Description

Simple and easy rack of double-line tunnel multipurpose
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a multipurpose simple rack for a double-line tunnel.
Background
In order to ensure the driving safety of high-speed rail, the quality of the secondary lining concrete is taken as the key point in the current construction management process. Due to the large cross section of the double-line tunnel (about 150 m)2) In the existing construction, the secondary lining concrete of the tunnel is generally maintained but not maintainedThe concrete surface is generally maintained by sprinkling water by using a high-pressure water gun for 3-5 times every day, but the temperature in the tunnel is higher, so that the concrete surface is restored to a dry state from a wet state after sprinkling water for 20 minutes, the maintenance condition that the concrete surface is always kept wet cannot be met, the maintenance quality does not reach the standard, and the strength of the concrete is seriously influenced.
In some tunnels with the conditions of fully-mechanized operation, steam curing is adopted, but the cost of the steam curing trolley is high, the popularization difficulty is high, particularly in the south, the temperature is high, negative temperature cannot occur in the tunnels even in winter, and steam curing is not needed.
After the construction of the second lining of the tunnel is finished, equipment management staff are required to knock and check the quality of the second lining of the tunnel, so that the problems and defects of incompact concrete, secondary backing and later void, concrete cracking, block falling, water leakage, limit invasion of the second lining, honeycomb pitted surface and the like are found in advance before traffic is started, and the thorough treatment is performed. And knocking inspection and defect treatment need to set up a larger rack for auxiliary operation, so that the workload is larger.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-purpose simple rack for a double-line tunnel, which is convenient for curing secondary lining concrete in the tunnel, knocking, checking and defect repairing of the quality of the secondary lining concrete.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a multi-purpose simple rack for a double-line tunnel, which comprises a portal frame, a platform structure and a spraying device, wherein the portal frame is provided with a plurality of platforms; the platform structure is arranged on the portal, and the spraying device is used for spraying water into the tunnel.
Optionally, the portal frame comprises a stand column, a cross beam, a longitudinal beam and an inclined strut; the stand sets up in the tunnel both sides, the crossbeam set up in being located both sides between the stand, the longeron sets up in being located same one side between the stand, the bracing set up in the stand with between the crossbeam.
Optionally, the cross beam includes a middle cross beam disposed in the middle of the upright and a top cross beam disposed on the top of the upright.
Optionally, the inclined strut is arranged between the middle cross beam and the upright post.
Optionally, the longitudinal beam comprises a bottom longitudinal beam arranged at the bottom of the upright column and a middle longitudinal beam arranged in the middle of the upright column.
Optionally, two ends of the bottom longitudinal beam are respectively provided with a wheel.
Optionally, the platform structure includes a multi-stage platform, and the multi-stage platform is disposed outside the gantry.
Optionally, the lower part of the outer side of the stand column is provided with a first-level platform, the middle part of the outer side of the stand column is provided with a second-level platform, the upper part of the outer side of the stand column is provided with a third-level platform, the cross beam at the top of the stand column is provided with a fourth-level platform, and the top of the fourth-level platform is provided with a fifth-level.
Optionally, the spraying device comprises a water storage barrel, a water pump, a pipeline and a nozzle; the spray head is arranged on the pipeline, and the water pump is used for pumping the water in the water storage bucket into the pipeline.
Optionally, the pipeline is a PVC pipe, the pipeline is located at the outermost side of the dual-line tunnel multipurpose simple rack, and the shape of the pipeline is the same as the shape of the two linings of the tunnel.
Compared with the prior art, the invention has the following technical effects:
⑴ has simple structure, convenient use and low requirement on the technical level of operators.
⑵ is more convenient than traditional high-pressure squirt gun, can be maintained at any time, and the water curtain is comparatively even, ensures that the concrete surface is in the moist state all the time, no dead angle, no omission, has solved two lining concrete surface fracture and has maintained the problem that the out-of-position intensity is not enough.
⑶ water paths are arranged along the surface of the tunnel in a profiling mode, and the adaptability is high.
⑷ the bench has functions of auxiliary knock check and defect correction, and provides a good working platform for the operator due to the proper height of each working platform and the proper distance between each working platform and the two lining surfaces.
⑸ has good durability and convenient maintenance, and will not affect the tunnel construction operation.
⑹ the cost is lower than the steam maintenance trolley with expensive cost, and the popularization and application are easier.
⑺ the tunnel has the advantages of reduced equipment, good sight line, and is beneficial to the passing of transport vehicles and the passing of radioactive rays.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a multi-purpose simple rack for a twin-wire tunnel according to the present invention;
fig. 2 is a side view schematically illustrating the multi-purpose simple rack for a twin-wire tunnel according to the present invention.
Description of reference numerals: 1. a step ladder; 2. a primary platform; 3. a water storage barrel; 4. a secondary platform; 5. PVC pipes; 6. a third stage platform; 7. a first rail; 8. a four-stage platform; 9. a second liner; 10. a steel pipe; 11. a square steel pillar; 12. a second rail; 13. a five-stage platform; 14. a top cross beam; 15. a middle cross beam; 16. a wheel; 17. bracing; 18. a column; 19. an inverted arch filling surface; 20. a middle longitudinal beam; 21. a water pump; 22. a bottom stringer.
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.
The first embodiment is as follows:
as shown in fig. 1-2, the present embodiment provides a multi-purpose simple rack for a twin-wire tunnel, which includes a gantry, a platform structure, and a shower unit.
The door frame is mainly formed by overlapping a 16# channel steel with a frame beam and connecting the frame beam through bolts, and the size of the 16# channel steel is 160mm multiplied by 65mm multiplied by 8.5 mm. The portal frame is composed of four parts, namely a stand column 18, a cross beam, a longitudinal beam and an inclined strut 17. The upright post 18, the cross beam and the longitudinal beam are formed by buckling double 16# channel steel into a square shape and then welding, the size is 160mm multiplied by 130mm multiplied by 8.5mm, and the inclined strut 17 is made of single channel steel.
The height of the door frame is 7.4m, the width is 7.3m, and the length is 5 m. Two long longitudinal beams of 5m are arranged at the bottom, and 4 upright posts 18 are welded on the bottom cross beam. The top is provided with two beams and longitudinal beams, and the two beams and the longitudinal beams are arranged at the position of 4.9m for ensuring the rigidity of the rack. The clear height of the vehicle is 4.9m, and the width of the vehicle is 3 m.
Two ends of the two bottom cross beams are provided with 4 wheels 16 with the diameter of 350mm, and the wheels can be manually pushed.
Three operation platforms are respectively arranged at two sides of the portal frame, and two operation platforms are arranged at the top of the portal frame. The platform consists of frame beams, inclined struts and reinforcing meshes. The frame beam and the diagonal brace are welded and connected through 16# channel steel, the frame beam is formed by welding after double 16# channel steel is buckled into a square, the size is 160mm multiplied by 130mm multiplied by 8.5mm, and the diagonal brace is made of single channel steel. The reinforcing mesh uses phi 16 reinforcing steel bars, and the mesh size is 100mm multiplied by 100 mm.
The distance between the primary platform 2 and the ground (the inverted arch filling surface 19) is 2.06m, the distance between the secondary platform 4 and the primary platform is 21.9m, and the distance between the tertiary platform 6 and the secondary platform is 42.5 m.
A five-stage platform 13 with the height of 0.6m, the length of 4.9m and the width of 2m is arranged at the top of the portal frame, and the rest positions at the two sides of the top of the portal frame are used as four-stage platforms 8.
The front end and the rear end of the first-stage platform, the second-stage platform and the third-stage platform 6 are respectively provided with a 1m high protective railing and are formed by welding round steel with the diameter of 30 mm.
The left and right sides respectively sets up 1 cat ladder, cat ladder top to second grade work platform, and the bottom sets up on the angle steel of welding on bottom longeron 22. The ladder stand is formed by welding round steel with the diameter of 30mm, the width of the ladder stand is 0.7m, and the step interval is 300 mm. The angle steel is 0.9m long, 10# in model, and 100mm × 100mm × 6mm in specific size.
The two primary platforms 2 are respectively provided with a capacity not less than 1m3A 2.5Kw water pump 21 is arranged in the water tank.
And 11 square steel pillars 11 are respectively arranged on the two top cross beams 14, the distance between the two square steel pillars is 0.78m and 0.6m, and the distance between the two square steel pillars and the surface of the two linings 9 is about 0.4 m. The square steel has the size of 50mm multiplied by 100mm multiplied by 6 mm. 11 steel pipes 10 with the diameter of 42mm and the length of 9m are arranged on the square steel support 11.
A phi 30mm PVC pipe 5 is fixed on each steel pipe 10, and the PVC pipe 5 is communicated with two water pumps 21. An adjustable spray head is arranged on the PVC pipe 5 every 40cm, and the spraying range and distance can be adjusted properly.
4 PVC pipes 5 with the diameter of 30mm are arranged from top to bottom at the front, the back, the left and the right of the rack, and the shape of the shape imitating the shape of the two liners 9 is formed. An adjustable spray head is arranged on the PVC pipe 5 every 40cm, and the spraying range and distance can be adjusted properly. Can be fixed at the outer corner of each stage of operation platform.
When the concrete surface treatment device is used, the water pump 21 is started, and the spray head sprays water flow to wet the concrete surface of the second lining 9. When the second lining 9 concrete quality knocking inspection and defect treatment are carried out, an operator can directly utilize the rack to work on each stage of operation platform and manually push the platform to transfer according to requirements.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A multi-purpose simple rack for a double-track tunnel is characterized by comprising a portal frame, a platform structure and a spraying device; the platform structure is arranged on the portal, and the spraying device is used for spraying water into the tunnel.
2. The multipurpose simple rack for the double-track tunnel according to claim 1, wherein the portal comprises a vertical column, a cross beam, a longitudinal beam and a diagonal brace; the stand sets up in the tunnel both sides, the crossbeam set up in being located both sides between the stand, the longeron sets up in being located same one side between the stand, the bracing set up in the stand with between the crossbeam.
3. The multi-purpose simple rack for the double-wire tunnel according to claim 2, wherein the cross beam comprises a middle cross beam disposed at the middle of the pillar and a top cross beam disposed at the top of the pillar.
4. The dual-wire tunnel multi-purpose simple rack of claim 3, wherein the diagonal brace is disposed between the middle cross beam and the upright.
5. The multi-purpose simple rack for the double-wire tunnel according to claim 2, wherein the longitudinal beams comprise a bottom longitudinal beam arranged at the bottom of the upright and a middle longitudinal beam arranged at the middle of the upright.
6. The multi-purpose simple platform for the double-wire tunnel according to claim 5, wherein a wheel is provided at each end of the bottom longitudinal beam.
7. The dual tunnel multi-purpose easy stand of claim 2, wherein the platform structure comprises multi-stage platforms, each of which is disposed outside the gantry.
8. The multi-purpose simple rack for the double-wire tunnel according to claim 7, wherein a first-stage platform is arranged at the lower part of the outer side of the upright, a second-stage platform is arranged at the middle part of the outer side of the upright, a third-stage platform is arranged at the upper part of the outer side of the upright, a fourth-stage platform is arranged on the cross beam at the top of the upright, and a fifth-stage platform is arranged at the top of the fourth-stage platform.
9. The multi-purpose simple rack for the double-wire tunnel according to claim 2, wherein the spraying device comprises a water storage bucket, a water pump, a pipeline and a spray head; the spray head is arranged on the pipeline, and the water pump is used for pumping the water in the water storage bucket into the pipeline.
10. The dual wire tunnel multipurpose simple rack of claim 9, wherein the pipe is a PVC pipe, the pipe is located at the outermost side of the dual wire tunnel multipurpose simple rack and the shape of the pipe is the same as the two facing surfaces of the tunnel.
CN201911015316.7A 2019-10-24 2019-10-24 Simple and easy rack of double-line tunnel multipurpose Pending CN110805454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911015316.7A CN110805454A (en) 2019-10-24 2019-10-24 Simple and easy rack of double-line tunnel multipurpose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911015316.7A CN110805454A (en) 2019-10-24 2019-10-24 Simple and easy rack of double-line tunnel multipurpose

Publications (1)

Publication Number Publication Date
CN110805454A true CN110805454A (en) 2020-02-18

Family

ID=69489037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911015316.7A Pending CN110805454A (en) 2019-10-24 2019-10-24 Simple and easy rack of double-line tunnel multipurpose

Country Status (1)

Country Link
CN (1) CN110805454A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10102774A (en) * 1996-09-26 1998-04-21 Ohbayashi Corp Wet curing device for concrete
JP2004285803A (en) * 2003-03-20 2004-10-14 Masanobu Sakamoto Curing method of concrete
JP2012087481A (en) * 2010-10-15 2012-05-10 Mashino:Kk Lining concrete curing device and lining concrete curing system
CN205578010U (en) * 2016-05-03 2016-09-14 甘肃路桥建设集团有限公司 Integrative rack of two lining concrete maintenances in tunnel
CN106593480A (en) * 2017-01-13 2017-04-26 中交公局第六工程有限公司 Comprehensive tunnel maintenance trolley
CN206408957U (en) * 2017-01-05 2017-08-15 中铁十八局集团有限公司 A kind of open cut of subway station side wall automatic maintenance device
CN207554071U (en) * 2017-11-13 2018-06-29 中铁十一局集团汉江重工有限公司 A kind of self-propelled multifunctional maintenance trolley
CN207568621U (en) * 2017-08-23 2018-07-03 中国铁路经济规划研究院 Tunnel-liner intelligence maintenance trolley
CN207701146U (en) * 2017-12-29 2018-08-07 中铁第五勘察设计院集团有限公司 Tunnel-liner intelligence maintenance trolley atomizing humidifier
CN208203297U (en) * 2018-05-04 2018-12-07 中铁工程装备集团有限公司 The full-automatic maintenance trolley of reciprocal self-propelled
CN208803852U (en) * 2018-09-28 2019-04-30 中国建筑土木建设有限公司 A kind of tunnel double-lining concrete movable maintenance type rack

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10102774A (en) * 1996-09-26 1998-04-21 Ohbayashi Corp Wet curing device for concrete
JP2004285803A (en) * 2003-03-20 2004-10-14 Masanobu Sakamoto Curing method of concrete
JP2012087481A (en) * 2010-10-15 2012-05-10 Mashino:Kk Lining concrete curing device and lining concrete curing system
CN205578010U (en) * 2016-05-03 2016-09-14 甘肃路桥建设集团有限公司 Integrative rack of two lining concrete maintenances in tunnel
CN206408957U (en) * 2017-01-05 2017-08-15 中铁十八局集团有限公司 A kind of open cut of subway station side wall automatic maintenance device
CN106593480A (en) * 2017-01-13 2017-04-26 中交公局第六工程有限公司 Comprehensive tunnel maintenance trolley
CN207568621U (en) * 2017-08-23 2018-07-03 中国铁路经济规划研究院 Tunnel-liner intelligence maintenance trolley
CN207554071U (en) * 2017-11-13 2018-06-29 中铁十一局集团汉江重工有限公司 A kind of self-propelled multifunctional maintenance trolley
CN207701146U (en) * 2017-12-29 2018-08-07 中铁第五勘察设计院集团有限公司 Tunnel-liner intelligence maintenance trolley atomizing humidifier
CN208203297U (en) * 2018-05-04 2018-12-07 中铁工程装备集团有限公司 The full-automatic maintenance trolley of reciprocal self-propelled
CN208803852U (en) * 2018-09-28 2019-04-30 中国建筑土木建设有限公司 A kind of tunnel double-lining concrete movable maintenance type rack

Similar Documents

Publication Publication Date Title
CN201843074U (en) Parallel moving bin for overhauling ramp bridge of overpass
CN101787891A (en) Station-crossing construction method and station-crossing construction device of wheel type mobile foundation
CN110593107B (en) Movable cantilever hanging basket for steel box girder construction and construction method
CN210856969U (en) Movable telescopic cantilever hanging basket
CN101864969A (en) Segment caulking and hand hole blocking trolley for large-diameter shield tunnel
CN110805454A (en) Simple and easy rack of double-line tunnel multipurpose
CN210659228U (en) Movable single-side formwork system for subway construction
CN109505225B (en) Safe and stable suspension bridge and construction process thereof
CN211421171U (en) Cast-in-place utility tunnel movable support platform truck formwork system
CN203846750U (en) Buoyancy lift and turnover type external scaffolding tooling device special for installation of gas holder
AU2021106038A4 (en) Simple multi-functional scaffold for water-spraying maintenance, tap inspection, defect rectification and the like of double-track tunnel for high-speed railway
CN201943350U (en) Supporting steel frame for die holder of high-altitude large span overhanging structure
CN211314233U (en) Tunnel is a concrete spray curing means just
CN213539644U (en) Narrow-passage aluminum alloy movable bridge-spanning scaffold
CN210946528U (en) Movable prefabricated hanging flower basket of assembling
CN207228652U (en) Stent spray system for beam spray maintenance
CN209874433U (en) Assembly type integral moving operation frame
CN210530862U (en) Tunnel construction trolley
CN109440641B (en) Maintenance trolley for maintaining large-span truss trestle
CN213419106U (en) 12-meter long and light manual waterproof board hanging trolley
CN112664235A (en) Walking type pipe gallery formwork supporting device
CN219344698U (en) Tunnel defect renovation operation bench
CN211114704U (en) Interim construction platform of tunnel maintenance
CN206110674U (en) Transit platform is measured to a superelevation layer core section of thick bamboo
CN204754212U (en) Unsettled fire control vestibule hangs mould formwork assembly

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200218

RJ01 Rejection of invention patent application after publication