CN109205475A - Truss connection beam type door machine assembling and disassembling device and method in tunnel - Google Patents
Truss connection beam type door machine assembling and disassembling device and method in tunnel Download PDFInfo
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- CN109205475A CN109205475A CN201811142019.4A CN201811142019A CN109205475A CN 109205475 A CN109205475 A CN 109205475A CN 201811142019 A CN201811142019 A CN 201811142019A CN 109205475 A CN109205475 A CN 109205475A
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- door machine
- tunnel
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- door
- girder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides truss connection beam type door machine assembling and disassembling device and methods in tunnel, it includes that artificial tunnel excavates section, excavating after artificial tunnel excavates section has upstream tunnel to dig section, in upstream, tunnel digs to excavate after section and has tunnel to dig to increase section, tunnel, which digs to increase to excavate after section, has downstream tunnel to dig section, and the downstream tunnel, which digs, to be provided with development machine pick after section and dig tunnel.This device can be convenient installation door owner's constructional device in narrow tunnel space, solves the construction difficult problem that door machine is installed in tunnel, can be widely applied to the similar engineerings such as the door machine assembling and disassembling in hydraulic engineering tunnel.
Description
Technical field
The present invention relates to door machines to assist installing area, in particular to truss contacts beam type door machine assembling and disassembling device in a kind of tunnel
And method, it is suitable in tunnel small space installation door owner's constructional device.
Background technique
Certain unit weighs 680 tons to remove in tunnel, the TBM development machine of diameter 8m.Quasi- manually excavation one is a height of
14.2m gateway opening shape digs hole.And in 3 hole row depth 3m of hole rimrock churn drill, the load-bearing anchor pole of long 3.5m diameter 25cm, anchor pole are installed
3 I32 type I-steel hanger rails are installed in lower welding, hang 10 tons of electronic calabashes under I-steel, are risen for installing the bis- girder doors of 75t+75t
Heavy-duty machine machine.Section bottom 8 cable wind rope anchor holes of brill separately are being digged, for fixing 4 main supporting legs of door machine.It is super due to digging height of holes
14m is crossed, in its rock crown drilling anchor rod aperture, it is difficult that diameter 25cm long 3.5m folding load-bearing anchor pole is installed.By I32c type I-shaped
Steel hanger rail, Unit Weight 62.8Kg/m, long 18m weigh 1.13 tons.I-steel hanger rail is praised from ground to the load-bearing anchor pole to 14m high
Place, and guarantee that hanger rail is horizontal straight suitable, with anchor pole to positive firm welding, the installation difficulty of hanger rail is also very big.
Further, since it is too small to dig section tunnel space, three hanging rails are three location and installation lines, three hanger rails it is flat
Row degree hardly results in guarantee.Even if I32 type I-steel hanger rail is installed in place, but hanger rail at least accounts for the spatial altitude of 600mm, 10 tons
Electric block minimum constructive height 1.6m, the two adds up the height at least occupying 2m, and the minimum constructive height of door machine just reaches 12m, remaining
Lower 12m sling height, door machine girder can not be installed at all.When 4 main supporting legs of door machine are hung on two foundation beams respectively with truck crane
After upper, 4 main supporting legs need to be drawn with 16 cable wind ropes.16 cable wind ropes and 4 main supporting legs, can occupy and dig section major part space,
Basic position and space without the assembled double girders of lifting door machine box.It, can not be in tunnel using lifting equipments such as truck cranes
Door machine is installed.Door machine cannot be installed in tunnel, TBM development machine also can not be just removed in tunnel.
Summary of the invention
In order to solve the above technical problems, the present invention mentions truss connection beam type door machine assembling and disassembling device and method in tunnel, this dress
It sets in narrow tunnel space, can be convenient installation door owner's constructional device, solve the construction difficult problem that door machine is installed in tunnel,
It can be widely applied to the similar engineerings such as the door machine assembling and disassembling in hydraulic engineering tunnel.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this: truss contacts beam type door in tunnel
Machine assembling and disassembling device, it includes that artificial tunnel excavates section, and excavating after artificial tunnel excavates section has upstream tunnel to dig section, upper
Trip tunnel, which digs to excavate after section, to be had tunnel to dig to increase section, tunnel digs increase section after excavate and there is downstream tunnel to dig section,
The downstream tunnel is provided with development machine pick digging tunnel after digging section.
The artificial tunnel excavates section, upstream tunnel digs section, tunnel digs and increases section and downstream tunnel digs the bottom of section
Portion is equipped with wharf portal crane track, and double girder formula door machines are supported by the wharf portal crane track.
Double girder formula door machines include walking roller box, and the top braces of the walking roller box have door machine bottom beam, the door
Across connection beam is equipped between the top of machine bottom beam, the top both ends of the connection beam are supported by column, lead on the column
It crosses supporting leg upper end adjustment device support and the main supporting leg of door machine is installed, the bottom of the main supporting leg of door machine is fixed on door machine bottom beam,
The top braces of the column have door machine box girder, are fixedly linked between the door machine box girder by girder connection beam,
Trolley is installed in the top braces of door machine box girder.
The wharf portal crane track is laid on the basis of concrete track, and the concrete track basis is cast in artificial tunnel and digs
Pick section, upstream tunnel dig section, tunnel digs and increases section and downstream tunnel digs the bottom of section.
The rod piece being fixed temporarily for the two is provided between the connection beam and door machine bottom beam.
The picket spacer being fixed temporarily for the two is provided between the column and door machine bottom beam.
The connection beam and column all use the truss structure of multiple standards assembled.
Using the method that truss connection beam type door machine assembling and disassembling device carries out door machine installation in tunnel described in any one, it is wrapped
Include following steps:
Step1: excavate that section, upstream tunnel dig section, tunnel digs and increases section and downstream tunnel digs the bottom of section in artificial tunnel
Portion is laid with two wharf portal crane tracks；
Step2: walking roller box is mounted on wharf portal crane track, and two door machine bottom beams are hung into Liang Tiaomen respectively with truck crane
On walking roller box on machine track；
Door machine bottom beam: after two door machine bottom beams level, being fixed temporarily by Step3 with rod piece with ground, then the connection that assembly is good
The two is fixed temporarily by binder lifting across the top for being supported on two door machine bottom beams, and using rod piece, and then forms the two
Overall structure；
Step4: by two columns, vertical hanging is placed on two tip positions of connection beam respectively, and is fixed temporarily, then uses column
Column and door machine bottom beam are fixed temporarily by strut；
Step5: removing the rod piece that door machine bottom beam and ground are fixed temporarily, guarantee walking roller box can on wharf portal crane track free walker
It walks；
Step6: with truck crane by the main supporting leg of No.1 door machine, appropriate height is sling with the combination of chain block according to jack line
Door machine bottom beam is manually pushed into appropriate location under truck crane suspension centre along wharf portal crane track by degree, operates truck crane for the main branch of No.1 door machine
Leg, which is hung, to be penetrated bolt behind door machine bottom beam front end, the main supporting leg lower end of No.1 door machine and door machine bottom beam flange centering and tightens, No.1
The main supporting leg upper end of door machine couples securely with the supporting leg upper end adjustment device that the upper end of the column is arranged, and completes the peace of the main supporting leg of No.1 door machine
Dress；
Step7: the peace that Step6 is sequentially completed the main supporting leg of No. two door machines, No. three door machines main supporting leg and No. four main supporting legs of door machine is repeated
Dress；And then complete the fixed installation of double girder formula four main supporting legs of door machine；
Step8: the installation of door machine box girder is carried out；
Step9: the installation of trolley is carried out.
Concrete operation step in the Step8:
Step8.1: will install two door machine bottom beams of 4 main supporting legs of door machine, push downstream tunnel to along wharf portal crane track and dig section,
And it is in place come to a complete stop, then walking roller box and wharf portal crane track between using support pad limit；
Step8.2: with truck crane in the position of former double girder formula door machine installation door owner's supporting legs, assembled door machine box girder, and
It will be fixed between door machine box girder with girder connection beam；
Step8.3: after the completion of door machine box girder is assembled, door machine box girder is lifted to tunnel and digged with truck crane and is increased
Behind section highest point, the following position directly that the door machine bottom beam for being parked in downstream tunnel and digging section pushes upstream door machine box girder to is stopped
Only；
The more people of Step8.4:4 group are stood respectively before the main supporting leg of door machine and door machine box girder connection flange, while by door machine case
Shape girder flange hole and the main supporting leg flange hole of door machine are slowly hung in door machine to just, penetrating attachment bolt, then by door machine box girder
On main supporting leg, tightening bolt, then door machine box girder is installed with 4 main supporting legs of door machine；
Step8.5: removing two columns, removes truss-like connection beam.
Concrete operation step in the Step9:
Step9.1: after installing to door machine box girder, using the gap between door machine box girder, it is small to operate truck crane
Hook drop to ground between door machine box girder；
Step9.2: it by assembled complete trolley, slings from ground across door machine box girder, is located at door machine box-shaped master
The top of beam；
Trolley: turning 90 degrees by Step9.3 again, by the track side on trolley walking roller box steel wheel and door machine box girder
Steel is to just, falling in orbit, then First trolley is installed；
Step9.3: repeating Step9.1 ~ Step9.3 and lift second trolley, and complete its installation, and then completes entire double
The installation of girder formula door machine.
The method have the advantages that:
1, in structure: by the walking roller box steel wheel installed at two door machine bottom beam lower plane both ends, respectively falling in two door machines
On track, truss-like connection beam erects the plane on two door machine bottom beams, and is fixed temporarily securely with connection beam, makes two door machines
Bottom beam becomes a rock-steady structure body, manually pushes connection beam, can make door machine bottom beam along wharf portal crane track to front or rear Integral synchronous
Walking, and then facilitate the lifting of subsequent door machine box girder.
2, ensure that using the above structure can be small by truck crane using fixed point lifting in narrow tunnel space
The lift-on/lift-off system of angular deflection completes the lifting of double girder formula door machines, and double girder formula door machines can be along using before and after wharf portal crane track
It pushes, the lifting point of tunnel truck crane, the operating method of mobile installation site, it can very convenient installation door owner supporting leg and door machine case
Shape main beam structure efficiently solves the construction difficult problem that door machine is installed in tunnel, can be widely applied to the door in hydraulic engineering tunnel
The similar engineerings such as machine assembling and disassembling.
3, two door machine bottom beams can be connected to become entirety by using above-mentioned connection beam, and then facilitates and can pushes away
It is moved to walk along wharf portal crane track.
4, by using column can easily owner's supporting leg carries out auxiliary installation on the door, and then its installation effect is improved
Rate ensure that the safety of installation process.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that tunnel digs section and door machine structural schematic diagram.
Fig. 2 is door machine bottom beam and connection beam structural schematic diagram.
Fig. 3 is the main supporting leg scheme of installation of door machine.
Fig. 4 is the double main cable and girder schematic diagrames of door machine box-shaped.
In figure: wharf portal crane track 1, artificial tunnel excavate section 2, upstream tunnel digs section 3, double girder formula door machines 4, tunnel and digs
Increase section 5, downstream tunnel digs section 6, tunnel 7 is dug in development machine pick, walking roller box 8, door machine bottom beam 9, rod piece 10, picket spacer
11, column 12, connection beam 13, concrete track basis 14, supporting leg upper end adjust device 15, the main supporting leg 16 of door machine, door machine box-shaped
Girder 17, girder connection beam 18, trolley 19.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment 1:
Referring to Fig. 1-4, truss contacts beam type door machine assembling and disassembling device in tunnel, it includes that artificial tunnel excavates section 2, in artificial tunnel
Excavating to excavate after section 2 has upstream tunnel to dig section 3, and in upstream, tunnel digs to excavate after section 3 and has tunnel to dig to increase section 5,
Tunnel, which digs to increase to excavate after section 5, has downstream tunnel to dig section 6, and the downstream tunnel is provided with development machine after digging section 6
Tunnel 7 is dug in pick.The artificial tunnel excavates section 2, upstream tunnel digs section 3, tunnel digs and increases section 5 and downstream tunnel digs section
6 bottom is equipped with wharf portal crane track 1, and double girder formula door machines 4 are supported by the wharf portal crane track 1.Further, double girders
Formula door machine 4 includes walking roller box 8, and the top braces of the walking roller box 8 have a door machine bottom beam 9, the top of the door machine bottom beam 9 it
Between across connection beam 13 is equipped with, the top both ends of the connection beam 13 are supported by column 12, pass through supporting leg on the column 12
The adjustment support of device 15 in upper end is equipped with the main supporting leg 16 of door machine, and the bottom of the main supporting leg 16 of door machine is fixed on door machine bottom beam 9,
The top braces of the column 12 have door machine box girder 17, are consolidated between the door machine box girder 17 by girder connection beam 18
It is fixed to be connected, trolley 19 is installed in the top braces of door machine box girder 17.By using the assembling and disassembling device of above structure
Can assist completing the assembly and disassembly operation of double girder formula door machines 4, so effective solution installed in narrow tunnel space it is double main
The inadequate problem of 4 working space of beam type door machine, and then its installation effectiveness is greatly improved, it ensure that the safety of operation.
Further, the wharf portal crane track 1 is laid on concrete track basis 14, and the concrete track basis 14 is poured
It builds and excavates that section 2, upstream tunnel dig section 3, tunnel digs and increases section 5 and downstream tunnel digs the bottom of section 6 in artificial tunnel.It is logical
Crossing concrete track foundation 14 ensure that the stability of its support.
Further, the rod piece 10 being fixed temporarily for the two is provided between the connection beam 13 and door machine bottom beam 9.It is logical
It crosses and being fixed temporarily between connection beam 13 and door machine bottom beam 9 is facilitated using rod piece 10.
Further, the picket spacer 11 being fixed temporarily for the two is provided between the column 12 and door machine bottom beam 9.
Being fixed temporarily between column 12 and door machine bottom beam 9 is facilitated by using rod piece 10.
Further, the connection beam 13 and column 12 are all assembled using the truss structure of multiple standards.By adopting
It is assembled with the truss structure of standard, connection structure is simplified, and then facilitate its assembly.
Embodiment 2:
Using in tunnel described in any one truss connection beam type door machine assembling and disassembling device carry out door machine installation method, it include with
Lower step:
Step1: excavate that section 2, upstream tunnel dig section 3, tunnel digs and increases section 5 and downstream tunnel digs section 6 in artificial tunnel
Bottom be laid with two wharf portal crane tracks 1；
Step2: walking roller box 8 is mounted on wharf portal crane track 1, and two door machine bottom beams 9 are hung onto two respectively with truck crane
On walking roller box 8 on wharf portal crane track 1；
Door machine bottom beam 9: after two door machine bottom beams 9 level, being fixed temporarily by Step3 with rod piece 10 with ground, then will be assembled good
The lifting of connection beam 13 the two is fixed temporarily across the top for being supported on two door machine bottom beams 9, and using rod piece 10, and then make
The two forms overall structure；
Step4: by two columns 12, vertical hanging is placed on two tip positions of connection beam 13 respectively, and is fixed temporarily, then use
Column 12 and door machine bottom beam 9 are fixed temporarily by picket spacer 11；
The rod piece 10 that Step5: removing door machine bottom beam 9 and ground is fixed temporarily guarantees that walking roller box 8 can be on wharf portal crane track 1
Freely walk；
Step6: it with truck crane by the main supporting leg 16-A of No.1 door machine, is sling suitably according to jack line with the combination of chain block
Highly, door machine bottom beam 9 is manually pushed into appropriate location under truck crane suspension centre along wharf portal crane track 1, operates truck crane for No.1 door machine
Main supporting leg 16-A is hung to be penetrated behind 9 front end of door machine bottom beam, the No.1 door machine lower end main supporting leg 16-A and 9 flange centering of door machine bottom beam
Bolt is tightened, and the No.1 door machine upper end main supporting leg 16-A couples securely with the supporting leg upper end adjustment device 15 that 12 upper end of column is arranged,
Complete the installation of the main supporting leg 16-A of No.1 door machine；
Step7: it repeats Step6 and is sequentially completed the main supporting leg 16-B of No. two door machines, the main supporting leg 16-C of No. three door machines and No. four door machine masters
The installation of supporting leg 16-C；And then complete the fixed installation of double girder formula 4 four main supporting legs of door machine；
Step8: the installation of door machine box girder 17 is carried out；
Step9: the installation of trolley 19 is carried out.
Concrete operation step in the Step8:
Step8.1: will install two door machine bottom beams 9 of the main supporting leg 16 of 4 door machines, pushes downstream tunnel to along wharf portal crane track 1 and expands
Dig section 6, and it is in place come to a complete stop, then walking roller box 8 and wharf portal crane track 1 between using support pad limit；
Step8.2: with truck crane in the position of former double 4 installation door owner supporting legs 16 of girder formula door machine, assembled door machine box girder
17, and girder connection beam 18 will be used fixed between door machine box girder 17；
Step8.3: after the completion of 17 assembly of door machine box girder, door machine box girder 17 is lifted to tunnel with truck crane and is digged
After increasing 5 highest point of section, pushing the door machine bottom beam 9 for being parked in downstream tunnel and digging section 6 to upstream door machine box girder 17 just
Lower position stops；
The more people of Step8.4:4 group stand respectively the main supporting leg of door machine 16 with before 17 connection flange of door machine box girder, while by door
17 flange hole of machine box girder and main 16 flange hole of supporting leg of door machine are then slow by door machine box girder 17 to just, penetrating attachment bolt
Slowly it is hung on the main supporting leg 16 of door machine, tightening bolt, then the main supporting leg 16 of door machine box girder 17 and 4 piece door machine is installed；
Step8.5: removing two columns 12, removes truss-like connection beam 13.
Concrete operation step in the Step9:
Step9.1: after installing to door machine box girder 17, using the gap between door machine box girder 17, automobile is operated
Small hook is hung, drop to ground between door machine box girder 17；
Step9.2: it by assembled complete trolley 19, slings from ground across door machine box girder 17, is located at door machine case
The top of shape girder 17；
Trolley 19: turning 90 degrees by Step9.3 again, by the rail on trolley walking roller box steel wheel and door machine box girder 17
Road square steel is to just, falling in orbit, then First trolley is installed；
Step9.3: repeating Step9.1 ~ Step9.3 and lift second trolley, and complete its installation, and then completes entire double
The installation of girder formula door machine 4.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Bright protection scope should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (8)
1. truss contacts beam type door machine assembling and disassembling device in tunnel, it is characterised in that: it includes that artificial tunnel excavates section (2), in people
Excavation has upstream tunnel to dig section (3) after work tunnel excavates section (2), and excavation has tunnel after in upstream, tunnel digs section (3)
It digs and increases section (5), tunnel, which digs to increase to excavate after section (5), has downstream tunnel to dig section (6), and the downstream tunnel digs section
(6) it is provided with development machine pick after and digs tunnel (7)；
The artificial tunnel excavates section (2), upstream tunnel digs section (3), tunnel digs and increases section (5) and downstream tunnel digs section
(6) bottom is equipped with wharf portal crane track (1), and double girder formula door machines (4) are supported by the wharf portal crane track (1)；
Double girder formula door machines (4) include walking roller box (8), and the top braces of walking roller box (8) have door machine bottom beam
(9), between the top of the door machine bottom beam (9) across being equipped with connection beam (13), the top both ends branch of the connection beam (13)
Support has column (12), is equipped with the main supporting leg of door machine (16) by supporting leg upper end adjustment device (15) support on the column (12),
The bottom of the main supporting leg of door machine (16) is fixed on door machine bottom beam (9), and the top braces of the column (12) have door machine box-shaped
Girder (17) is fixedly linked between the door machine box girder (17), in door machine box girder by girder connection beam (18)
(17) top braces are equipped with trolley (19).
2. truss contacts beam type door machine assembling and disassembling device in tunnel according to claim 1, it is characterised in that: the wharf portal crane track
(1) be laid on concrete track basic (14), the concrete track basic (14) be cast in artificial tunnel excavate section (2),
Upstream tunnel digs section (3), tunnel digs and increases section (5) and downstream tunnel digs the bottom of section (6).
3. truss contacts beam type door machine assembling and disassembling device in tunnel according to claim 1, it is characterised in that: the connection beam
(13) rod piece (10) being fixed temporarily for the two is provided between door machine bottom beam (9).
4. truss contacts beam type door machine assembling and disassembling device in tunnel according to claim 1, it is characterised in that: the column (12)
The picket spacer (11) being fixed temporarily for the two is provided between door machine bottom beam (9).
5. truss contacts beam type door machine assembling and disassembling device in tunnel according to claim 1, it is characterised in that: the connection beam
(13) and column (12) is all assembled using the truss structure of multiple standards.
6. carrying out door machine installation using truss connection beam type door machine assembling and disassembling device in tunnel described in claim 1-5 any one
Method, it is characterised in that it the following steps are included:
Step1: excavate that section (2), upstream tunnel dig section (3), tunnel digs and increases section (5) and the expansion of downstream tunnel in artificial tunnel
The bottom for digging section (6) is laid with two wharf portal crane tracks (1)；
Step2: walking roller box (8) is mounted on wharf portal crane track (1), and is hung two door machine bottom beams (9) respectively with truck crane
It is put on the walking roller box (8) on two wharf portal crane tracks (1)；
Door machine bottom beam (9): after two door machine bottom beams (9) level, being fixed temporarily by Step3 with rod piece (10) with ground, then will
Assembled good connection beam (13) lifting is faced the two across the top for being supported on two door machine bottom beams (9), and using rod piece (10)
When fix, and then both make to form overall structure；
Step4: by two columns (12), vertical hanging is placed on two tip positions of connection beam (13) respectively, and is fixed temporarily, then
Column (12) and door machine bottom beam (9) are fixed temporarily using picket spacer (11)；
Step5: removing the rod piece (10) that door machine bottom beam (9) and ground are fixed temporarily, and guarantees that walking roller box (8) can be in door machine rail
It freely walks on (1) in road；
Step6: it with truck crane by the main supporting leg of No.1 door machine (16-A), is sling according to the combination that jack line matches chain block suitable
When height, door machine bottom beam (9) is manually pushed into appropriate location under truck crane suspension centre along wharf portal crane track (1), operates truck crane for one
Number main supporting leg of door machine (16-A) is hung in door machine bottom beam (9) front end, the main supporting leg of the No.1 door machine lower end (16-A) and door machine bottom beam (9)
It penetrates bolt after flange centering to tighten, the supporting leg upper end tune of the main supporting leg of the No.1 door machine upper end (16-A) and the setting of column (12) upper end
Engagement positions (15) connection securely, completes the installation of the main supporting leg of No.1 door machine (16-A)；
Step7: it repeats Step6 and is sequentially completed No. two main supporting legs of door machine (16-B), No. three main supporting legs of door machine (16-C) and No. four doors
The installation of owner's supporting leg (16-C)；And then complete the fixed installation of double girder formula (4) four main supporting legs of door machine；
Step8: the installation of door machine box girder (17) is carried out；
Step9: the installation of trolley (19) is carried out.
7. the method that truss connection beam type door machine assembling and disassembling device carries out door machine installation in tunnel according to claim 6, special
Sign is, concrete operation step in the Step8:
Step8.1: two door machine bottom beams (9) of 4 main supporting legs of door machine (16) will be installed, pushes downstream to along wharf portal crane track (1)
Tunnel digs section (6), and it is in place come to a complete stop, then walking roller box (8) and wharf portal crane track (1) between using support pad limit
Position；
Step8.2: with truck crane in the position of former double girder formula door machine (4) installation door owner supporting legs (16), assembled door machine box-shaped
Girder (17), and girder connection beam (18) will be used fixed between door machine box girder (17)；
Step8.3: after the completion of door machine box girder (17) is assembled, door machine box girder (17) is lifted to tunnel with truck crane
It digs after increasing section (5) highest point, pushes the door machine bottom beam (9) for being parked in downstream tunnel and digging section (6) to upstream door machine box-shaped
The following position directly of girder (17) stops；
The more people of Step8.4:4 group are stood respectively before the main supporting leg of door machine (16) and door machine box girder (17) connection flange, simultaneously
By door machine box girder (17) flange hole and the main supporting leg of door machine (16) flange hole to just, penetrating attachment bolt, then by door machine box-shaped
Girder (17) is slowly hung on the main supporting leg of door machine (16), tightens bolt then door machine box girder (17) and 4 main supporting legs of door machine
(16) it is installed；
Step8.5: removing two columns (12), removes truss-like connection beam (13).
8. the method that truss connection beam type door machine assembling and disassembling device carries out door machine installation in tunnel according to claim 6, special
Sign is, concrete operation step in the Step9:
Step9.1: after installing to door machine box girder (17), the gap between door machine box girder (17), operation are utilized
The small hook of truck crane drop to ground between door machine box girder (17)；
Step9.2: it by assembled complete trolley (19), slings from ground across door machine box girder (17), is located at door
The top of machine box girder (17)；
Trolley (19): turning 90 degrees by Step9.3 again, will be on trolley walking roller box steel wheel and door machine box girder (17)
Orbit square steel to just, fall in orbit, then First trolley is installed；
Step9.3: repeating Step9.1 ~ Step9.3 and lift second trolley, and complete its installation, and then completes entire double
The installation of girder formula door machine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142019.4A CN109205475B (en) | 2018-09-28 | 2018-09-28 | Device and method for assembling and disassembling girder type gantry crane in tunnel through connection of trusses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142019.4A CN109205475B (en) | 2018-09-28 | 2018-09-28 | Device and method for assembling and disassembling girder type gantry crane in tunnel through connection of trusses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109205475A true CN109205475A (en) | 2019-01-15 |
| CN109205475B CN109205475B (en) | 2019-12-24 |
Family
ID=64982227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811142019.4A Active CN109205475B (en) | 2018-09-28 | 2018-09-28 | Device and method for assembling and disassembling girder type gantry crane in tunnel through connection of trusses |
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| CN112429482A (en) * | 2020-11-30 | 2021-03-02 | 中电建十一局工程有限公司 | Gate pier pre-stressed anchor cable fixed end steel base plate conveying device and steel base plate conveying method |
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| CN109205475B (en) | 2019-12-24 |
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