CN103274309A - Cantilever truss crane for tunnel construction - Google Patents
Cantilever truss crane for tunnel construction Download PDFInfo
- Publication number
- CN103274309A CN103274309A CN2013102599639A CN201310259963A CN103274309A CN 103274309 A CN103274309 A CN 103274309A CN 2013102599639 A CN2013102599639 A CN 2013102599639A CN 201310259963 A CN201310259963 A CN 201310259963A CN 103274309 A CN103274309 A CN 103274309A
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- truss
- bailey
- main couple
- door
- cantilever
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- 238000010276 construction Methods 0.000 title abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 235000015170 shellfish Nutrition 0.000 claims description 21
- 241001669679 Eleotris Species 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a cantilever truss crane for tunnel construction, which comprises a primary truss, a travelling mechanism, a bailey truss member, a hoisting device and a balance member, wherein the rear part of the bailey truss member is connected with the upside of the primary truss; the front part of the bailey truss member is hung in air; the primary truss at least comprises three door-shaped trusses; each door-shaped truss comprises a cross beam, two uprights, two inclined struts, and a bracket; the bracket is connected with the middle upper parts of the uprights on the two sides of the door-shaped truss at the front end of the primary truss; the bailey truss member comprises two parallel bailey beam assemblies and two transverse bracing frames; each bailey beam assembly consists of four bailey beams; and the transverse bracing frames are arranged at the front part of the bailey truss member. The cantilever truss crane can quickly and conveniently move a tunnel inverted arch mould frame, accelerates an inverted arch construction schedule, effectively protects a formwork, improves the appearance quality of moulded concrete, and is compatible with tunnel waterproof operation and hoisting operation of heavy machines and tools in a tunnel.
Description
Technical field
The present invention relates to the constructing tunnel device, be specifically related to a kind of cantilever purlin for constructing tunnel and hang.
Background technology
Along with the development of high speed railway construction cause, the constructing tunnel of growing up is more and more, and is also more and more higher to construction safety, the requirements for quality in tunnel.Chinese Railway main office (the former Ministry of Railways) has put into effect " about the notice of further clear and definite weak surrounding rock and unfavorable geology Design of Railway Tunnel construction relevant technologies regulation " ([2010] No. 120 files of iron construction) for this reason, clearly primary support should in time apply and seal into ring behind the regulation tunnel excavation, and IV, V, VI level country rock detent position and face distance must not be greater than 35m.For guaranteeing safe step pitch requirement, the tunnel invert mould bases has been invented by expensive wide railroad, and the move mode of its mould bases adopts 8t winch traction migration, needs excavating machine, forklift to cooperate movable trestle simultaneously.Because the roughening of excavating machine, loader operation causes template deformation, thrashing out of shape, the practical manner that the scene replaces still are that excavating machine, forklift are dilatory mobile, finally cause the Surface Quality of Concrete of inverted arch mobile formwork moulding poor.
Summary of the invention
The purpose of this invention is to provide a kind of cantilever purlin for constructing tunnel hangs; it can be fast, mobile tunnel invert mould bases easily; accelerate the inverted arch construction speed; actv. protection template; concrete presentation quality after the raising moulding, the function of the lifting operation of heavy plant in compatible waterproofing of tunnel operation simultaneously and the tunnel.
Hang a kind of cantilever purlin for constructing tunnel of the present invention, comprise main couple, be connected that traveling gear, rear portion below the main couple is connected above the main couple and anterior unsettled Bailey truss member, be connected Bailey truss member front portion lifting appliance, be located at the balance component above the main couple rearward end, it is characterized in that:
Described main couple comprises three " door " font truss at least, every " door " font truss is connected and composed by a crossbeam, two root posts and two diagonal braces, also comprise the upside crossbeam (24) between two heel posts that are connected each sheet " door " font truss, middle side crossbeam and strut, also comprise the bracket that is connected described main couple front end a slice " door " font truss two heel post middle and upper parts;
Described Bailey truss member comprises two groups of shellfish thunder beam assemblies that be arranged in parallel, and every group of shellfish thunder beam assembly is made of four Pin Bei Leiliang, and every Pin Bei Leiliang is connected and composed by seven shellfish thunder framves, is provided with bracing frame at the connecting portion of two shellfish thunder framves; Also comprising many horizontal pressure beams that are located at above every group of shellfish thunder beam assembly rear portion, captives joint with many crossbeams on the described main couple respectively with the finish rolling thread rod by many horizontal pressure beams in the rear portion of every group of shellfish thunder beam assembly; Also comprise two groups of cross-tie frameworks that are located on the described Bailey truss member front portion.
Further, described traveling gear comprises two walking beams that be arranged in parallel, four groups of hinged motor-driven road wheels of two ends below two walking beams respectively, described four groups of motor-driven road wheels respectively be located at sleeper on two rail that be arranged in parallel cooperate; Captive joint with described two walking beams respectively in the lower end of described main couple both sides; Described motor-driven road wheel is provided with electrical motor.
Further, described cross-tie framework comprises the cross sill that is fixedly connected on below the described Bailey truss member front portion, be fixedly connected on entablatrance above the described Bailey truss member front portion, connect cross sill and entablatrance and four montants between two groups of shellfish thunder beam assemblies, described four montants equidistantly distribute with cross sill and entablatrance and constitute three rectangle frames, in the rectangle frame of left part and right part, be respectively equipped with Cross Braced, in the rectangle frame at middle part, be provided with the intersection Cross Braced.
Further, described lifting appliance is four electric blocks, and two electric blocks respectively are connected on the cross sill of described two groups of cross-tie frameworks.
Further, described balance component is two block concrete clump weights, and described two block concrete clump weights are by the beam supporting of a slice " door " font truss that is located at two inverse-T-shaped crossbeams above the described main couple rearward end and described main couple rear end.
The present invention is mobile owing to the traction movement with original mobile formwork changes the low latitude lifting into, simultaneously original only can vertically moving is changed into vertically, is laterally moved, so can avoid lifting unsettled collision; Row simple to operate, accurate, easy not only plays good result to template protection, and Surface Quality of Concrete is protected; Can also compatible waterproofing of tunnel operation stand and other lifting operations.
Description of drawings
Fig. 1 is structure of the present invention institute scheme drawing;
Fig. 2 is the I-I of Fig. 1, the semisectional view at II-II position;
Fig. 3 is the scheme drawing that the cross-tie framework is connected with the Bailey truss member;
Fig. 4 is that the present invention uses constitution diagram in the tunnel.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, hang described a kind of cantilever purlin for constructing tunnel, comprise main couple, be connected that traveling gear, rear portion below the main couple is connected above the main couple and anterior unsettled Bailey truss member, be connected Bailey truss member front portion lifting appliance, be located at the balance component above the main couple rearward end;
Described main couple comprises four " door " font truss, every " door " font truss is connected and composed by a crossbeam 21, two root posts 22 and two diagonal braces 23, also comprise the upside crossbeam 24 between two heel posts that are connected each sheet " door " font truss, middle side crossbeam 25 and strut 26, also comprise the bracket 27 that is connected described main couple front end a slice " door " font truss two heel post middle and upper parts.
Described Bailey truss member comprises two groups of shellfish thunder beam assemblies 31 that be arranged in parallel, and every group of shellfish thunder beam assembly is made of four Pin Bei Leiliang, and every Pin Bei Leiliang is connected and composed by seven shellfish thunder framves, is provided with bracing frame 32 at the connecting portion of two shellfish thunder framves; Also comprising many horizontal pressure beams 33 that are located at above every group of shellfish thunder beam assembly 31 rear portions, captives joint with the many crossbeams 21 on the described main couple respectively with finish rolling thread rod 34 by many horizontal pressure beams 33 in the rear portion of every group of shellfish thunder beam assembly; Also comprise two groups of cross-tie frameworks 8 that are located on the described Bailey truss member front portion; Described cross-tie framework comprises the cross sill 81 that is fixedly connected on below the described Bailey truss member front portion, be fixedly connected on entablatrance 82 above the described Bailey truss member front portion, connect cross sill and entablatrance and four montants 83 between two groups of shellfish thunder beam assemblies 31, described four montants equidistantly distribute with cross sill and entablatrance and constitute three rectangle frames, in the rectangle frame of left part and right part, be respectively equipped with Cross Braced 84, in the rectangle frame at middle part, be provided with intersection Cross Braced 85.
Described traveling gear comprises two walking beams that be arranged in parallel 1, four groups of hinged motor-driven road wheels 2 of two ends below two walking beams respectively, described four groups of motor-driven road wheels respectively be located at sleeper 4 on two rail that be arranged in parallel 3 cooperate; Captive joint with described two walking beams 1 respectively in the lower end of described main couple both sides; Described motor-driven road wheel 2 is provided with electrical motor 5.
Described lifting appliance is four electric blocks 7, and two electric blocks 7 respectively are connected on the cross sill 81 of described two groups of cross-tie frameworks 8.
Described balance component is two block concrete clump weights 6, and every weight is 5 tons; Described two block concrete clump weights are by crossbeam 21 supportings of a slice " door " font truss that is located at two inverse-T-shaped crossbeams 28 above the described main couple rearward end and described main couple rear end.
Using method of the present invention may further comprise the steps:
Step 1: after the cast of inverted arch cement concrete, wait for that cement concrete reaches design concrete strength 80%, lays steel sleeper and rail;
Step 2: the excavation inverted arch, slag tap, scarfing cinder, first pneumatically placed concrete;
Step 3: two inverted arch trestles move forward to excavation inverted arch position about the lifting respectively;
Step 4: after move this cantilever purlin and hang, lift by crane inverted arch end mould and short sidewall template simultaneously to excavating the inverted arch position, Template Location after-pouring cement concrete enters next circulation.
Beneficial effect of the present invention:
(1) combines the advantage of gauntry crane and Bei Leiliang, in conjunction with lever principle counterweight is set, reduce the cantilever purlin and hang laid down cost;
(2) realized that main couple is hung in the cantilever purlin and waterproofing of tunnel operation stand merges, saved construction cost;
(3) strengthened in the narrow and small tunnel, space originally vertically crane capacity;
(4) increase service life of inverted arch mobile formwork, improved it and moved alerting ability, guaranteed tunnel invert construction Surface Quality of Concrete;
(5) ensured that each operation construction simultaneous equation of constructing tunnel advances, the state of having avoided attending to one thing and lose sight of another takes place.
Claims (5)
1. hang a cantilever purlin that is used for constructing tunnel, comprise main couple, be connected that traveling gear, rear portion below the main couple is connected above the main couple and anterior unsettled Bailey truss member, be connected Bailey truss member front portion lifting appliance, be located at the balance component above the main couple rearward end, it is characterized in that:
Described main couple comprises three " door " font truss at least, every " door " font truss is connected and composed by a crossbeam (21), two root posts (22) and two diagonal braces (23), also comprise upside crossbeam (24), middle side crossbeam (25) and strut (26) between two heel posts that are connected each sheet " door " font truss, also comprise the bracket (27) that is connected described main couple front end a slice " door " font truss two heel post middle and upper parts;
Described Bailey truss member comprises two groups of shellfish thunder beam assemblies (31) that be arranged in parallel, and every group of shellfish thunder beam assembly is made of four Pin Bei Leiliang, and every Pin Bei Leiliang is connected and composed by seven shellfish thunder framves, is provided with bracing frame (32) at the connecting portion of two shellfish thunder framves; Also comprising being located at the many piece horizontal pressure beams (33) of every group of shellfish thunder beam assembly (31) above the rear portion, captives joint with the many crossbeams (21) on the described main couple respectively with finish rolling thread rod (34) by many horizontal pressure beams (33) in the rear portion of every group of shellfish thunder beam assembly; Also comprise the two groups of cross-tie frameworks (8) that are located on the described Bailey truss member front portion.
2. hang a kind of cantilever purlin for constructing tunnel according to claim 1, it is characterized in that: described traveling gear comprises two walking beams that be arranged in parallel (1), hinged four groups of motor-driven road wheels (2) in two ends below two walking beams respectively, described four groups of motor-driven road wheels respectively be located at sleeper (4) on two rail that be arranged in parallel (3) cooperate; Captive joint with described two walking beams (1) respectively in the lower end of described main couple both sides; Described motor-driven road wheel (2) is provided with electrical motor (5).
3. hang a kind of cantilever purlin for constructing tunnel according to claim 1 and 2, it is characterized in that: described cross-tie framework (8) comprises the cross sill (81) that is fixedly connected on below the described Bailey truss member front portion, be fixedly connected on the entablatrance (82) above the described Bailey truss member front portion, connect cross sill and entablatrance and be positioned at four montants (83) between two groups of shellfish thunder beam assemblies (31), described four montants equidistantly distribute with cross sill and entablatrance and constitute three rectangle frames, in the rectangle frame of left part and right part, be respectively equipped with Cross Braced (84), in the rectangle frame at middle part, be provided with intersection Cross Braced (85).
4. hang a kind of cantilever purlin for constructing tunnel according to claim 1 and 2, it is characterized in that: described lifting appliance is four electric blocks (7), and two electric blocks (7) respectively are connected on the cross sill (81) of described two groups of cross-tie frameworks (8).
5. hang a kind of cantilever purlin for constructing tunnel according to claim 1 and 2, it is characterized in that: described balance component is two block concrete clump weights (6), and described two block concrete clump weights are by crossbeam (21) supporting of a slice " door " font truss that is located at two inverse-T-shaped crossbeams (28) above the described main couple rearward end and described main couple rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102599639A CN103274309A (en) | 2013-06-26 | 2013-06-26 | Cantilever truss crane for tunnel construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102599639A CN103274309A (en) | 2013-06-26 | 2013-06-26 | Cantilever truss crane for tunnel construction |
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| Publication Number | Publication Date |
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| CN103274309A true CN103274309A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102599639A Pending CN103274309A (en) | 2013-06-26 | 2013-06-26 | Cantilever truss crane for tunnel construction |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882799A (en) * | 2014-03-21 | 2014-06-25 | 中国能源建设集团广东省电力设计研究院 | Upper chord horizontal supporting structure of large span trestle truss |
| CN105666079A (en) * | 2016-03-10 | 2016-06-15 | 中铁工程装备集团有限公司 | In-hole disassembly/assembly device and method of spiral conveyor of shield tunneling machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2230019C1 (en) * | 2003-04-10 | 2004-06-10 | Общество с ограниченной ответственностью "Производственная фирма "АСК" | Bridge crane trolley |
| CN201046889Y (en) * | 2007-06-07 | 2008-04-16 | 宏润建设集团股份有限公司 | Bailey truss assembling door frame |
| CN201882809U (en) * | 2010-11-23 | 2011-06-29 | 浙江中南建设集团有限公司 | Door type cantilever steel frame hoisting equipment used for high hoisting |
| CN202440242U (en) * | 2011-11-18 | 2012-09-19 | 中铁十一局集团第一工程有限公司 | Ballastless track cantilever type gantry crane |
| CN202925472U (en) * | 2012-11-05 | 2013-05-08 | 中交第二航务工程局有限公司 | Fixed truss lift for continuous steel beam assembling and pushing |
| CN203319570U (en) * | 2013-06-26 | 2013-12-04 | 中铁八局集团第一工程有限公司 | Cantilever jib crane for tunnel construction |
-
2013
- 2013-06-26 CN CN2013102599639A patent/CN103274309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2230019C1 (en) * | 2003-04-10 | 2004-06-10 | Общество с ограниченной ответственностью "Производственная фирма "АСК" | Bridge crane trolley |
| CN201046889Y (en) * | 2007-06-07 | 2008-04-16 | 宏润建设集团股份有限公司 | Bailey truss assembling door frame |
| CN201882809U (en) * | 2010-11-23 | 2011-06-29 | 浙江中南建设集团有限公司 | Door type cantilever steel frame hoisting equipment used for high hoisting |
| CN202440242U (en) * | 2011-11-18 | 2012-09-19 | 中铁十一局集团第一工程有限公司 | Ballastless track cantilever type gantry crane |
| CN202925472U (en) * | 2012-11-05 | 2013-05-08 | 中交第二航务工程局有限公司 | Fixed truss lift for continuous steel beam assembling and pushing |
| CN203319570U (en) * | 2013-06-26 | 2013-12-04 | 中铁八局集团第一工程有限公司 | Cantilever jib crane for tunnel construction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882799A (en) * | 2014-03-21 | 2014-06-25 | 中国能源建设集团广东省电力设计研究院 | Upper chord horizontal supporting structure of large span trestle truss |
| CN103882799B (en) * | 2014-03-21 | 2016-06-15 | 中国能源建设集团广东省电力设计研究院有限公司 | A kind of horizontal support structure of winding up of large span trestle truss |
| CN105666079A (en) * | 2016-03-10 | 2016-06-15 | 中铁工程装备集团有限公司 | In-hole disassembly/assembly device and method of spiral conveyor of shield tunneling machine |
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Application publication date: 20130904 |