CN106640133B - Multi-functional retractable inverted arch trestle - Google Patents
Multi-functional retractable inverted arch trestle Download PDFInfo
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- CN106640133B CN106640133B CN201611113085.XA CN201611113085A CN106640133B CN 106640133 B CN106640133 B CN 106640133B CN 201611113085 A CN201611113085 A CN 201611113085A CN 106640133 B CN106640133 B CN 106640133B
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- trestle
- inverted arch
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- flexible
- girder
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- 241000282326 Felis catus Species 0.000 claims abstract description 21
- 230000004323 axial length Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of multi-functional retractable inverted arch trestles, including trestle girder, preceding cat ladder, rear cat ladder, walking dolly, flexible trestle, inverted arch template and central trench template, walking dolly is installed below trestle girder, flexible trestle is located at the front below trestle girder, the front of flexible trestle is placed on flexible trestle crossbeam, rear portion is movably installed in by connecting plate on trestle girder, and flexible trestle crossbeam is installed on by vertical secondary lifting hydraulic cylinder and secondary active column on the secondary crawler body that can be walked；Inverted arch template realizes back-and-forth motion with central trench template by the preceding middle and back being then installed on successively below trestle girder and by walking dolly.Trestle girder, flexible trestle, inverted arch template, central trench template, head plate are designed as equipment set by the present invention, make many processes that can carry out at the same time, the construction period is greatly saved, improve construction efficiency, reduce the labor intensity of worker, it ensure that construction quality, reduce construction cost.
Description
Technical field
The present invention relates to a kind of working trestle more particularly to a kind of multi-functional retractable inverted arch trestles.
Background technology
The trestle of traditional construction is divided into plain type trestle and monoblock type trestle, and plain type trestle is two pieces of individual bridges
Plate, it is mobile to need to lean on other equipment；Monoblock type trestle includes then trestle girder, front and back cat ladder and itself running gear, but is not had
There are a components such as inverted arch template, central trench trolley and the flexible trestle of front end, function is also difficult to meet the requirements when application.Above-mentioned tradition
Trestle is required for many templates in use, and needs a large amount of manpower to complete corresponding construction operation, in inverted arch section
It when soil excavates, is required for first excavating, excavation is over to be backfilled again, is facilitated the drag-out slag car in tunnel to pass through, is waited for inverted arch job execution
When to the position, just need to the soil of backfill be excavated into transport again again and appeared, process repeats, complicated, efficiency is low, causes to construct
Efficiency is low and cumbersome, and construction quality is poor.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of multi-functional retractable inverted arch trestle, the stack
Bridge can enhance constructing operation simplicity, avoid repeating excavating sequences, improve working efficiency, reduce the wave of the resources such as manpower, equipment
Take.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of multi-functional retractable inverted arch trestle, including trestle girder, preceding cat ladder, rear cat ladder and walking dolly, the row
It walks trolley to be installed below the trestle girder and front and back can walk, the front end of the trestle girder is placed on main beam, institute
Main beam is stated to be installed on the main crawler body that can be walked by vertical main lifting hydraulic cylinder and main active column；More work(
Flexible formula inverted arch trestle further includes that flexible trestle, inverted arch template and central trench template, the flexible trestle are located at the trestle
Front below girder can be simultaneously moved forward and backward, and the front of the flexible trestle is placed on flexible trestle crossbeam, rear portion passes through company
Fishplate bar is movably installed on the trestle girder, and the flexible trestle crossbeam is vertical by vertical secondary lifting hydraulic cylinder and secondary activity
Column is installed on the secondary crawler body that can be walked, and the front end of the flexible trestle is equipped with flexible trestle cat ladder, the preceding cat ladder
Lower end is placed on the flexible trestle；The inverted arch template is then installed on the trestle successively with the central trench template by preceding
Middle and back below girder and being realized by the walking dolly is moved forward and backward, and the front-end and back-end of the inverted arch template are set respectively
There are inverted arch head plate and filling head plate.
Preferably, the inverted arch template includes two sets, often covers the inverted arch template and respectively include passing through hinge between each other
The first inverted arch template, the second inverted arch template and the third inverted arch template of chain link, the first inverted arch template, second inverted arch
Template and the third inverted arch template are arranged in order from outside to inside, between the third inverted arch template of two sets of inverted arch templates
By the way that the flexible quarter bend connection of axial length, the second inverted arch template and the third of two sets of inverted arch templates can be changed
Inverted arch template is connected by Bidirectional-screw with the template body frame of the corresponding inverted arch template respectively.
For the ease of rapid-assembling/disassembling inverted arch template, the template body frame of the inverted arch template is equipped with lifting lug, the lifting lug with
The connecting rod of the walking dolly lower end is connected by " u "-shaped shackle.
The beneficial effects of the present invention are：
Trestle girder, flexible trestle, inverted arch template, central trench template, head plate are designed as equipment set by the present invention,
Central trench template and inverted arch template are moved by the walking dolly on trestle girder, what when construction can be separated from each other again
Mode overcomes the shortcomings that dismounting template needs a large amount of manpowers, equipment, also overcome vehicle on trestle girder by when generate
Vibrations influence that mixed mud is solidified, in the flexible trestle of trestle girder Front-end Design, avoiding needs when inverted arch section is excavated
First to excavate, excavate be over backfill again, backfilled after need to the soil of backfill be excavated into the repetition process that appear of transport again again,
So that complete equipment is eliminated the working procedure of repetition operation in use, facilitate the demolition, installation of template and move, makes many processes
It can carry out at the same time, the construction period is greatly saved, improves construction efficiency, reduce the labor intensity of worker, ensure that and apply
Working medium amount, reduces construction cost；It it is two sets by inverted arch stencil design, by the way that axial length can be changed between two sets of inverted arch templates
Flexible quarter bend connection, realize the width adjusting of a whole set of inverted arch template, two sets of inverted arch templates pass through Bidirectional-screw respectively
It is connected with the template body frame of corresponding inverted arch template, the size for realizing a whole set of inverted arch template is adjusted.
Description of the drawings
Fig. 1 is the main structure diagram of multi-functional retractable inverted arch trestle of the present invention；
Fig. 2 is the overlooking structure diagram of multi-functional retractable inverted arch trestle of the present invention；
Fig. 3 is the A-A enlarged cross-sectional views in Fig. 1；
Fig. 4 is the B-B enlarged cross-sectional views in Fig. 1.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, multi-functional retractable inverted arch trestle of the present invention include trestle girder 5, preceding cat ladder 16, after
Cat ladder 1, walking dolly 8, flexible trestle 17, inverted arch template 26 and central trench template 22, walking dolly 8 are installed on trestle girder 5
Below and can front and back walking, the front end of trestle girder 5 is placed on main beam 29, and main beam 29 passes through vertical main lifting liquid
Cylinder pressure 30 and main active column 31 are installed on the main crawler body 28 that can be walked, and flexible trestle 17 is located at 5 lower section of trestle girder
Front and can be moved forward and backward, the front of flexible trestle 17 is placed on flexible trestle crossbeam 18, rear portion passes through connecting plate 9（It says
It is bright：Connecting plate 9 has in figure at two, but is only marked at one, and connecting plate 9 here is not the connecting plate of mark in figure）It is living
Dynamic to be installed on trestle girder 5, the trestle crossbeam 18 that stretches is installed by vertical secondary lifting hydraulic cylinder 34 and secondary active column 35
It is equipped with flexible trestle cat ladder 21 in the front end for the trestle 17 that on the secondary crawler body 33 that can be walked, stretches, the lower end of preceding cat ladder 16 is set
In on flexible trestle 17；After inverted arch template 26 and central trench template 22 by preceding be then installed in 5 lower section of trestle girder successively
Simultaneously realize that back-and-forth motion, the front-end and back-end of inverted arch template 26 are respectively equipped with inverted arch head plate 27 and fill out by walking dolly 8 in portion
Head plate 25 is filled, inverted arch template 26 includes two sets, often covers inverted arch template 26 and respectively includes between each other through hinge 2（Explanation：Hinge
Chain 2 has many places in figure, but is only marked at one, and hinge 2 here is not the hinge of mark in figure）First inverted arch of connection
Template 36, the second inverted arch template 37 and third inverted arch template 38, the first inverted arch template 36, the second inverted arch template 37 and third inverted arch
Template 38 is arranged in order from outside to inside, by the way that axial length can be changed between the third inverted arch template 38 of two sets of inverted arch templates 26
Flexible quarter bend 46 connects, and the second inverted arch template 37 and third inverted arch template 38 of two sets of inverted arch templates 26 pass through Bidirectional-screw respectively
43 connect with the template body frame 40 of corresponding inverted arch template 26, and the template body frame 40 of inverted arch template 26 is equipped with lifting lug 41, lifting lug
41 are connect with the connecting rod of 8 lower end of walking dolly by " u "-shaped shackle 42.
It is also shown such as lower component in Fig. 1：The rear lifting hydraulic cylinder 3 and driven wheel 4 of 5 rear end of trestle girder support, are used for
The movable motor 7 and speed reducer 6 of walking dolly 8 are driven, the hole for hoist 12 of lifting is used on trestle girder 5, is installed on trestle master
The lateral Displacement wheel 13 of 5 one or both sides of beam, the mechanic jacks 15 being connected between trestle girder 5 and preceding cat ladder 16, is equipped with
The steel cable card 19 to stretch on trestle 17 and for blocking steel cable is set to the side wheels 24 and worm speed reducer of 5 rear end of trestle girder
23, the driver's cabin 32 for driving main crawler body 28；It is also shown such as lower component in Fig. 3：Template supporting leg 39, stretch quarter bend 46
On positioning pin 45, traveling wheel 52, connecting rod 47, removable pin 53 on walking dolly 8, the counter support being installed on template body frame 40
It is also shown such as lower component in lead screw 49, Fig. 2 and Fig. 3：Bridge plate 50 on trestle girder 5 and trestle crossbeam 51, are installed on template
Template lifting hydraulic cylinder 54 on body frame 40；Flexible trestle positioning pin 55 is also shown in Fig. 4, flexible trestle scroll wheel 56, is stretched
Flexible trestle location hole 59 is also shown in contracting trestle supporting leg 57, carriage walking track 58, Fig. 2 and Fig. 4.These components are all normal
Component is advised, is not the innovative design of the present invention, does not protect and illustrate.
In above structure, trestle girder 5 and flexible trestle 17 are welded into using Q345 steel plates, and trestle girder 5 uses box
Formula can integrally bear weight and be not less than 110 tons；Effective span under trestle girder 5 has 24m, 18m, 12m according to different demands,
The length of inverted arch template 26 and central trench template 22 is the half of effective span；The main crawler body of the front end of trestle girder 5
28 use 320 type crawler bodies, the driven wheel 4 of rear end to be moved in the fill surface constructed；Flexible 17 front end of trestle
Secondary crawler body 33 uses 190 type crawler bodies, and middle part moves on the roller of main beam 29；Walking dolly 8 is with trestle girder 5
Both sides be track, movable motor 7 uses 2.2kw-6 motors to be driven in the form of 4 wheel driven.
As Figure 1-Figure 4, the operation principle of multi-functional retractable inverted arch trestle of the present invention is as follows：Pack up flexible stack
The flexible trestle cat ladder 21 of 17 front end of bridge can excavate the face under trestle cat ladder 21 that stretches, excavate and arrive certain distance
Afterwards, the position excavated on soil can be put by moving flexible trestle 17 to flexible trestle cat ladder 21 forward by secondary crawler body 33,
Flexible trestle cat ladder 21 is put down, the vehicle in tunnel can arrive tunnel by flexible trestle cat ladder 21, flexible trestle 17, trestle girder 5
Outside road；After vehicle pass-through, flexible trestle cat ladder 21 can be packed up, inverted arch section is continued to excavate.It is carried out to inverted arch section
When excavation, the lower construction that can carry out inverted arch layer and filled layer of trestle girder 5；It, can be by trestle girder 5 after mixed mud solidification
Move forward an active section distance, carries out tying up reinforcing bar, paving waterproof cloth operation to 5 times front half section construction sections of trestle girder, waits for that reinforcing bar is tied up
Bundle finishes, and walking dolly 8 is reached to the center of inverted arch template 26, by rising the template lifting hydraulic cylinder 54 in inverted arch template 26
Inverted arch template 26 is jacked up upwards, behind top to certain altitude, by the connecting rod of lifting lug and 8 lower end of walking dolly on template body frame 40
47 are connected by " u "-shaped shackle 42, then pack up template lifting hydraulic cylinder 54, are moved to inverted arch template 26 by walking dolly 8
Next construction location；Lift the front end of central trench template 22 in an identical manner with walking dolly 8 again（Its rear end is equipped with walking
Wheel）, central trench template 22 is moved on into next construction location；Regulate the position of inverted arch template 26 and central trench template 22 respectively again
It sets, install inverted arch head plate 27 and filling head plate 25 and carries out support, the slip casting operation of inverted arch layer and filled layer can be started.
Trestle girder 5 and flexible trestle 17 when moving forward or back are required for that the active column on crawler body will be corresponded to
Interior lifting hydraulic cylinder rises trestle girder 5 or contraction trestle 17, and the supporting leg of corresponding crawler body both sides is made to be detached from ground one
Lifting hydraulic cylinder is withdrawn after walking in place, supporting leg is made to land by segment distance, and crawler body leaves ground, ensures crawler body not
Under pressure, after ensureing all steady stress of two supporting legs, can pass through vehicle on trestle.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (3)
1. a kind of multi-functional retractable inverted arch trestle, including trestle girder, preceding cat ladder, rear cat ladder, inverted arch template and central trench mould
Plate, it is characterised in that：The multi-functional retractable inverted arch trestle further includes flexible trestle and walking dolly, the walking dolly peace
Loaded below the trestle girder and can front and back walking, the front end of the trestle girder is placed on main beam, the main beam
It is installed on the main crawler body that can be walked by vertical main lifting hydraulic cylinder and main active column；The flexible trestle is located at
Front below the trestle girder can be simultaneously moved forward and backward, the front of the flexible trestle is placed on flexible trestle crossbeam, after
Portion is movably installed in by connecting plate on the trestle girder, the flexible trestle crossbeam by vertical secondary lifting hydraulic cylinder and
Secondary active column is installed on the secondary crawler body that can be walked, and the front end of the flexible trestle is equipped with flexible trestle cat ladder, described
The lower end of preceding cat ladder is placed on the flexible trestle；The inverted arch template is then installed on the central trench template by preceding successively
Middle and back below the trestle girder and being realized by the walking dolly is moved forward and backward, the front end of the inverted arch template and after
End is respectively equipped with inverted arch head plate and filling head plate.
2. multi-functional retractable inverted arch trestle according to claim 1, it is characterised in that：The inverted arch template includes two
Set, often cover the inverted arch template respectively include the first inverted arch template being connected through the hinge between each other, the second inverted arch template and
Third inverted arch template, the first inverted arch template, the second inverted arch template and the third inverted arch template are from outside to inside successively
It arranges, is connected between the third inverted arch template of two sets of inverted arch templates by the way that the flexible quarter bend of axial length can be changed,
The the second inverted arch template and the third inverted arch template of two sets of inverted arch templates respectively by Bidirectional-screw with it is corresponding
The template body frame of the inverted arch template connects.
3. multi-functional retractable inverted arch trestle according to claim 2, it is characterised in that：The template master of the inverted arch template
Frame is equipped with lifting lug, and the lifting lug is connect with the connecting rod of the walking dolly lower end by " u "-shaped shackle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113085.XA CN106640133B (en) | 2016-12-07 | 2016-12-07 | Multi-functional retractable inverted arch trestle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113085.XA CN106640133B (en) | 2016-12-07 | 2016-12-07 | Multi-functional retractable inverted arch trestle |
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| Publication Number | Publication Date |
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| CN106640133A CN106640133A (en) | 2017-05-10 |
| CN106640133B true CN106640133B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611113085.XA Active CN106640133B (en) | 2016-12-07 | 2016-12-07 | Multi-functional retractable inverted arch trestle |
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|---|---|---|---|---|
| CN106988762B (en) * | 2017-05-11 | 2023-08-01 | 四川省创力隧道机械设备有限公司 | Full-section two-lining inverted arch shield equipment |
| CN107269299A (en) * | 2017-07-26 | 2017-10-20 | 龚岗 | Constructing tunnel integrates chassis |
| CN108726421A (en) * | 2018-05-24 | 2018-11-02 | 天津职业技术师范大学 | A kind of collapsible climbing plate of four columns lifting machine |
| CN109281689A (en) * | 2018-10-19 | 2019-01-29 | 湖南五新模板有限公司 | Integral construction method based on tunnel trestle full width inverted arch template |
| CN109026074A (en) * | 2018-10-25 | 2018-12-18 | 中铁工程装备集团有限公司 | Large span propelled tunnel inverted arch trestle |
| CN109183601B (en) * | 2018-10-26 | 2023-05-23 | 河北创恒智能装备科技有限公司 | Telescopic intelligent multifunctional inverted arch trestle and construction method using trestle |
| CN109989765A (en) * | 2019-05-20 | 2019-07-09 | 中铁十二局集团第四工程有限公司 | A kind of tunnel multifunctional bridge type vehicle |
| CN110017148A (en) * | 2019-05-20 | 2019-07-16 | 中铁十二局集团第四工程有限公司 | A kind of rubber-tyred tunneling operation vehicle |
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| JP3029022B2 (en) * | 1997-07-03 | 2000-04-04 | 西松建設株式会社 | Formwork apparatus for tunnel lining and lining method using the same |
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| CN201908664U (en) * | 2011-01-13 | 2011-07-27 | 成都天博机械有限公司 | Movable trestle bridge invert form board trolley |
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| CN106640133A (en) | 2017-05-10 |
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