CN205370595U - Automatic hydraulic pressure inverted arch landing stage platform truck - Google Patents

Automatic hydraulic pressure inverted arch landing stage platform truck Download PDF

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Publication number
CN205370595U
CN205370595U CN201620205599.7U CN201620205599U CN205370595U CN 205370595 U CN205370595 U CN 205370595U CN 201620205599 U CN201620205599 U CN 201620205599U CN 205370595 U CN205370595 U CN 205370595U
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CN
China
Prior art keywords
inverted arch
trestle
template
bridge
mould
Prior art date
Application number
CN201620205599.7U
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Chinese (zh)
Inventor
郑怀臣
王祥军
王亚波
程波
毛成宝
张维颂
Original Assignee
湖南五新机械有限公司
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Priority to CN201620205599.7U priority Critical patent/CN205370595U/en
Application granted granted Critical
Publication of CN205370595U publication Critical patent/CN205370595U/en

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Abstract

The utility model discloses an automatic hydraulic pressure inverted arch landing stage platform truck, it includes landing stage system and inverted arch die carrier system, is equipped with landing stage dolly and inverted arch die carrier headtotail in the landing stage system, inverted arch die carrier system includes inverted arch mould longeron, arc invert form group, and arc invert form group is including fixed invert form and activity invert form, be equipped with tension mechanism between activity invert form and the inverted arch mould longeron, inverted arch mould crossbeam bottom is equipped with the lift supporting legs, inverted arch mould longeron end bottom is equipped with the inverted arch running gear that can stretch out and draw back from top to bottom, the vertical both ends of landing stage system are equipped with sideslip mechanism, and landing stage system tail end is equipped with landing stage walking wheel. The utility model discloses can realize the quick inverted arch job execution in the same sectional whole piece tunnel, save assembling and demolising of template, the workman's that has significantly reduced intensity of labour improves efficiency of construction and construction quality.

Description

Automatic hydraulic inverted arch trestle chassis

Technical field

The present invention relates to technical field of tunnel construction, refer more particularly to a kind of automatic hydraulic inverted arch trestle chassis.

Background technology

Current China tunnel inverted arch construction link can't realize full mechanical work, all there is carrying, assembly in each construction circulation, removes work, exists and manually repeat operation in a large number.The labor intensity of workman is big on the one hand, produces construction on the other hand and interrupts, it is impossible to is formed and work continuously, cause construction efficiency low, affect construction speed, and manually repeat assembled dismounting in a large number owing to existing, therefore be easily caused inverted arch construction formwork setting accuracy and reduce, reduce inverted arch construction quality.

By patent retrieval, there is following known prior art:

nullApplication number: 201120009298.4,The applying date: 2011.01.13,Authorized announcement date: 2011.07.27,This utility model discloses a kind of movable trestle overhead arch mould plate trolley being applied to tunnel,It includes trestle and inverted arch template,Trestle is by trestle main body、It is positioned at the trestle access bridge of trestle main body longitudinally both sides, front and back、Trestle supporting leg、Track girder composition bottom mechanism out of shape and trestle,Inverted arch template includes inverted arch end template and inverted arch cheek board,Also include the vertical oil cylinder of liftable inverted arch template,Inverted arch end template has cast window,Inverted arch template is linked together by the track girder bottom Vierendeel girder and trestle,Inverted arch template also include can stretching inverted arch cheek board side wall support screw mandrel and can the support screw of stretching inverted arch end template and the stop that Vierendeel girder and trestle main body can be fixed together.This utility model product uses flexibly, good stability, automatization and mechanization degree high, easy and simple to handle, rational in infrastructure, in the casting process of inverted arch, other operations are not interfered with, and can effectively ensure the current of vehicle.

Finding by retrieving, this technical scheme can not affect novelty and the creativeness of the present invention.

Summary of the invention

For problem above, first purpose of the present invention is to provide a kind of automatic hydraulic inverted arch trestle chassis, and this chassis can realize the quick inverted arch job execution in whole piece tunnel of identical section, eliminates assembly and the dismounting of template, greatly reduce the labor intensity of workman, improve efficiency of construction and construction quality.

For realizing object above, the technical solution used in the present invention is: automatic hydraulic inverted arch trestle chassis, it includes trestle bridge system (8) and is arranged on the inverted arch form frame system (4) of its both sides, is provided with trestle dolly (9) and is connected with inverted arch mould crossbeam (2) on inverted arch form frame system (4) between the longeron of described trestle bridge system (8);Described trestle bridge system (8) is arranged on inverted arch mould crossbeam (2) center, and normal thereto;Described trestle dolly (9) bottom is provided with lifting lower limb (91);Described inverted arch form frame system (4) includes being symmetricly set on inverted arch mould crossbeam (2) two ends, inverted arch mould longeron (5) parallel with trestle bridge system (8), being provided with arc inverted arch template group on described inverted arch mould longeron (5), described arc inverted arch template group includes the be hinged fixing inverted arch template (41) constituting overall arc surface and movable inverted arch template (42);Described fixing inverted arch template (41) is fixedly installed on inverted arch mould longeron (5), is provided with drawing mechanism (17) between described movable inverted arch template (42) and inverted arch mould longeron (5);Lifting spike (3) it is provided with bottom described inverted arch mould crossbeam (2) two ends;It is provided with, bottom described inverted arch mould longeron (5) end, the inverted arch walking mechanism (7) that can stretch up and down;The longitudinal bottom surface, two ends of described trestle bridge system (8) is provided with transverse-moving mechanism (1);The longitudinal tail end of described trestle bridge system (8) is provided with trestle road wheel (15).

Further, described fixing inverted arch template (41) is arranged on top, inverted arch mould longeron (5) outside, and described movable inverted arch template (42) is hinged on fixing inverted arch template (41) lower section.

Further, described drawing mechanism (17) is hydraulic jack.

Further, described drawing mechanism (17) is hoist engine.

Further, described lifting props up spike (3) for hydraulic jack elevating mechanism.

Further, described inverted arch walking mechanism (7) includes the mounting seat (71) that its upper end is arranged, described mounting seat (71) lower end is provided with hoist cylinder (72), and described hoist cylinder (72) lower end is provided with the road wheel (73) of driven by motor.

Further, described transverse-moving mechanism (1) includes the fixing rail gantry (13) being horizontally installed on trestle bridge system (8) bottom, described fixing rail gantry (13) is flexibly connected rail plate (11), and described rail plate (11) is evenly arranged with supporting pad (12);Traversing oil cylinder (14) it is provided with between described rail plate (11) and trestle bridge system (8).

Further, described trestle bridge system (8) two medial surface is symmetrically arranged with upper and lower two groups of slide rails (81), being symmetrically arranged with upper and lower two groups of rollers (92) on described trestle dolly (9) two lateral surface, described roller (92) is fastened between slide rail (81).

Further, being provided with slide rail (81) outside described trestle bridge system (8) upper and lower surface, described trestle dolly (9) is U-shaped frame structure, and inside framework, upper and lower surface is symmetrically arranged with roller (92);Described roller (92) is arranged on slide rail (81).

Beneficial effects of the present invention:

1. once mounting can realize the whole piece tunnel inverted arch operation construction of identical section after completing, eliminate assembly and the dismounting of template, adopt full-automatic mechanical to control mobile and location, greatly reduce the labor intensity of workman, save labour cost, improve efficiency of construction and construction quality.

2. the demoulding of template adopts the mechanically or hydraulically demoulding, greatly reduces the labor intensity of workman, improves efficiency of construction.

3. inverted arch form frame system can freedom separate with trestle bridge system, it is ensured that when the operation such as excavating, wire-tie at inverted arch, and the construction of other operation is not interfered by inverted arch template, controls flexible.

4. the right position of inverted arch template can be adjusted by transverse-moving mechanism, the front and back position of inverted arch template can be adjusted by trestle dolly, the level height of inverted arch template can be adjusted by lifting the spike on inverted arch form frame system and hoist cylinder, the inverted arch Template Location made more accurately quickly, meets high-level construction requirement.

5. can be realized the automatic fast demoulding of overall inverted arch template by lifting the spike on inverted arch form frame system and hoist cylinder, be greatly improved efficiency of construction, reduce labor strength.

6. trestle bridge system and inverted arch form frame system are after once assembly completes, under same tunnel section, it is not necessary to again disintegrate and can complete the construction in whole piece tunnel, be greatly improved efficiency of construction.

7. the arc inverted arch template group in inverted arch form frame system is divided into two parts and is hinged setting, can carry out the demoulding by controlling movable inverted arch template upset when the arc inverted arch face of inverted arch layer both sides needs the demoulding, can improve stripping rate;Simultaneously when inverted arch form frame system need not use, it is possible to make movable inverted arch template upset contraction, in order to the concrete pouring construction of packed layer, operation is very easy.

Accompanying drawing explanation

Fig. 1 is perspective view of the present invention.

Fig. 2 is end face structure schematic diagram of the present invention.

Fig. 3 is local A structure for amplifying schematic diagram in Fig. 2.

Fig. 4 is that inverted arch form frame system opens rear end face structural representation.

Fig. 5 is inverted arch walking mechanism structural representation.

Fig. 6 is the transverse-moving mechanism schematic diagram of trestle bridge system reverse side.

Fig. 7 is trestle bridge system tail end side schematic view.

Fig. 8 is trestle vehicle structure schematic diagram in specific embodiment one.

Fig. 9 is trestle vehicle structure schematic diagram in specific embodiment two.

Shown in figure, numerical reference is expressed as: 1, transverse-moving mechanism;2, crossbeam;3, lifting spike;4, inverted arch form frame system;5, inverted arch mould longeron;6, inverted arch layer;7, inverted arch walking mechanism;8, trestle bridge system;9, trestle dolly;10, concrete layer is supported;11, rail plate;12, supporting pad;13, fixing rail gantry;14, traversing oil cylinder;15, trestle road wheel;16, tunnel;17, drawing mechanism;81, slide rail;41, fixing inverted arch template;42, movable inverted arch template;Slide rail;91, lifting lower limb;92, roller;71, mounting seat;72, hoist cylinder;73, road wheel.

Detailed description of the invention

In order to make those skilled in the art be more fully understood that technical scheme, describing the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, and protection scope of the present invention should not have any restriction effect.

Specific embodiment one:

As shown in figures 1-8, the concrete structure of the present invention is: automatic hydraulic inverted arch trestle chassis, it includes trestle bridge system 8 and is arranged on the inverted arch form frame system 4 of its both sides, is provided with trestle dolly 9 and is connected with the inverted arch mould crossbeam 2 on inverted arch form frame system 4 between the longeron of described trestle bridge system 8;Described trestle bridge system 8 is arranged on inverted arch mould crossbeam 2 center, and normal thereto;Lifting lower limb 91 it is provided with bottom described trestle dolly 9;Described inverted arch form frame system 4 includes being symmetricly set on inverted arch mould crossbeam 2 two ends, the inverted arch mould longeron 5 parallel with trestle bridge system 8, being provided with arc inverted arch template group on described inverted arch mould longeron 5, described arc inverted arch template group includes the be hinged fixing inverted arch template 41 constituting overall arc surface and movable inverted arch template 42;Described fixing inverted arch template 41 is fixedly installed on inverted arch mould longeron 5, and being provided with between described movable inverted arch template 42 and inverted arch mould longeron 5 can the drawing mechanism 17 of oscilaltion;Lifting spike 3 it is provided with bottom described inverted arch mould crossbeam 2 two ends;It is provided with inverted arch walking mechanism 7 bottom described inverted arch mould longeron 5 end;The longitudinal bottom surface, two ends of described trestle bridge system 8 is provided with transverse-moving mechanism 1 and trestle road wheel 15.

Preferably, described fixing inverted arch template 41 is arranged on top outside inverted arch mould longeron 5, and described movable inverted arch template 42 is hinged on below fixing inverted arch template 41.

Preferably, described drawing mechanism 17 is hydraulic jack.

Preferably, described lifting props up spike 3 for hydraulic jack elevating mechanism.

Preferably, described inverted arch walking mechanism 7 includes the mounting seat 71 that its upper end is arranged, and described mounting seat 71 lower end is provided with hoist cylinder 72, and described hoist cylinder 72 lower end is provided with the road wheel 73 of driven by motor.

Preferably, described transverse-moving mechanism 1 includes the fixing rail gantry 13 being horizontally installed on bottom trestle bridge system 8, and described fixing rail gantry 13 is flexibly connected rail plate 11, and described rail plate 11 is evenly arranged with supporting pad 12;Traversing oil cylinder 14 it is provided with between described rail plate 11 and trestle bridge system 8.

Preferably, described trestle bridge system (8) two medial surface is symmetrically arranged with upper and lower two groups of slide rails (81), being symmetrically arranged with upper and lower two groups of rollers (92) on described trestle dolly (9) two lateral surface, described roller (92) is fastened between slide rail (81).

In specific embodiment one, the construction method of automatic hydraulic inverted arch trestle chassis includes following construction procedure:

Step one, trestle move in place: separated with inverted arch mould crossbeam (2) by trestle dolly (9), control trestle dolly (9) reach certain distance, lifting lower limb (91) extends downwardly from withstanding ground, trestle road wheel (15) promotes trestle bridge system (8) reach certain distance, again control trestle dolly (9) reach certain distance, so repeatedly, complete until trestle is in place;Described certain distance is not more than the 1/2 of trestle bridge system (8) greatest length.

Step 2, inverted arch excavation and reinforcing bar binding: until described trestle is in place complete after, trestle bridge system (8) is utilized to carry out conventional inverted arch excavation, form inverted arch excavation face, described inverted arch excavation face carries out conventional inverted arch reinforcing bar binding, forms inverted arch reinforcing bar binding face;

Step 3, the inverted arch demoulding: after upper one inverted arch concrete setting, control the lifting of inverted arch form frame system (4) front end to prop up the inverted arch walking mechanism (7) of spike (3) and rear end and stretch out and withstand ground so that the arc inverted arch template group rising demoulding;

Step 4, shifting formwork are in place: control trestle dolly (9) and run to trestle bridge system (8) tail end, it is connected fixing with inverted arch mould crossbeam (2), control lifting spike (3) to retract, by the promotion of the dragging of trestle dolly (9) and inverted arch walking mechanism (7), inverted arch form frame system (4) is moved on described inverted arch reinforcing bar binding face;The bearing height controlling lifting spike (3) regulates the left and right discrepancy in elevation of inverted arch template;The traversing lateral attitude regulating inverted arch template of the transverse-moving mechanism (1) of control stack bridge system (8) front end;

Step 5, cover half are built: after described inverted arch Template Location, carry out inverted arch concreting;

Step 6, repetition step one are to five.

Specific embodiment two:

As shown in Fig. 1-7, Fig. 9, the concrete structure of the present invention is: automatic hydraulic inverted arch trestle chassis, it includes trestle bridge system 8 and is arranged on the inverted arch form frame system 4 of its both sides, is provided with trestle dolly 9 and is connected with the inverted arch mould crossbeam 2 on inverted arch form frame system 4 between the longeron of described trestle bridge system 8;Described trestle bridge system 8 is arranged on inverted arch mould crossbeam 2 center, and normal thereto;Lifting lower limb 91 it is provided with bottom described trestle dolly 9;Described inverted arch form frame system 4 includes being symmetricly set on inverted arch mould crossbeam 2 two ends, the inverted arch mould longeron 5 parallel with trestle bridge system 8, being provided with arc inverted arch template group on described inverted arch mould longeron 5, described arc inverted arch template group includes the be hinged fixing inverted arch template 41 constituting overall arc surface and movable inverted arch template 42;Described fixing inverted arch template 41 is fixedly installed on inverted arch mould longeron 5, and being provided with between described movable inverted arch template 42 and inverted arch mould longeron 5 can the drawing mechanism 17 of oscilaltion;Lifting spike 3 it is provided with bottom described inverted arch mould crossbeam 2 two ends;It is provided with inverted arch walking mechanism 7 bottom described inverted arch mould longeron 5 end;The longitudinal bottom surface, two ends of described trestle bridge system 8 is provided with transverse-moving mechanism 1 and trestle road wheel 15.Further, described fixing inverted arch template 41 is arranged on top outside inverted arch mould longeron 5, and described movable inverted arch template 42 is hinged on below fixing inverted arch template 41.

Further, described drawing mechanism 17 is hoist engine.

Further, described lifting props up spike 3 for hydraulic jack elevating mechanism.

Further, described inverted arch walking mechanism 7 includes the mounting seat 71 that its upper end is arranged, and described mounting seat 71 lower end is provided with hoist cylinder 72, and described hoist cylinder 72 lower end is provided with the road wheel 73 of driven by motor.

Further, described transverse-moving mechanism 1 includes the fixing rail gantry 13 being horizontally installed on bottom trestle bridge system 8, and described fixing rail gantry 13 is flexibly connected rail plate 11, and described rail plate 11 is evenly arranged with supporting pad 12;Traversing oil cylinder 14 it is provided with between described rail plate 11 and trestle bridge system 8.

Further, being provided with slide rail 81 outside described trestle bridge system 8 upper and lower surface, described trestle dolly 9 is U-shaped frame structure, and inside framework, upper and lower surface is symmetrically arranged with roller 92;Described roller 92 is arranged on slide rail 81.

Chassis construction method in specific embodiment two is identical with the chassis construction method in specific embodiment one.

In the present invention, after this chassis is constructed, can shrink by drawing mechanism 17 by movable inverted arch template 42, it is prevented that the arc inverted arch template group back side is scratched, and causes that inverted arch layer surface construction is rough.

Inverted arch demoulding order can carry out at shifting formwork front arbitrary period in place.

In step one, trestle bridge system 8 certain distance that every time moves forward is distance when lifting lower limb 91 becomes trestle bridge system 8 center of gravity position of the fulcrum to the maximum.

Chassis primary structure of the present invention is summarized as follows:

Mainly including trestle bridge system and inverted arch form frame system, trestle bridge system includes the trestle road wheel of trestle, front leg strut, front and back transverse-moving mechanism, trestle dolly, rear end;Wherein trestle includes propons, main bridge, back axle, and propons and back axle are turning;Trestle bridge system can be automatically obtained movement all around.

Inverted arch form frame system includes, arc inverted arch template, inverted arch mould crossbeam, inverted arch mould longeron, and inverted arch mould crossbeam two ends are provided with lifting spike, and inverted arch mould longeron afterbody is provided with telescopic walking mechanism.

Trestle dolly and inverted arch mould crossbeam can be attached as required, it is achieved the advance of inverted arch form frame system, retrogressing, transverse moving left and right, and left and right sides high and low position adjusts.

Whole equipment arranges uniform operating system.

It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.

Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.The above is only the preferred embodiment of the present invention, should be understood that, finiteness due to literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvement, retouching or change, it is also possible to above-mentioned technical characteristic is combined by rights;These improve retouching, change or combination, or the not improved design by invention and technical scheme directly apply to other occasion, are regarded as protection scope of the present invention.

Claims (9)

1. automatic hydraulic inverted arch trestle chassis, it includes trestle bridge system (8) and is arranged on the inverted arch form frame system (4) of its both sides, it is characterized in that, be provided with trestle dolly (9) between the longeron of described trestle bridge system (8) and be connected with inverted arch mould crossbeam (2) on inverted arch form frame system (4);Described trestle bridge system (8) is arranged on inverted arch mould crossbeam (2) center, and normal thereto;Described trestle dolly (9) bottom is provided with lifting lower limb (91);Described inverted arch form frame system (4) includes being symmetricly set on inverted arch mould crossbeam (2) two ends, inverted arch mould longeron (5) parallel with trestle bridge system (8), being provided with arc inverted arch template group on described inverted arch mould longeron (5), described arc inverted arch template group includes the be hinged fixing inverted arch template (41) constituting overall arc surface and movable inverted arch template (42);Described fixing inverted arch template (41) is fixedly installed on inverted arch mould longeron (5), is provided with drawing mechanism (17) between described movable inverted arch template (42) and inverted arch mould longeron (5);Lifting spike (3) it is provided with bottom described inverted arch mould crossbeam (2) two ends;It is provided with, bottom described inverted arch mould longeron (5) end, the inverted arch walking mechanism (7) that can stretch up and down;The longitudinal bottom surface, two ends of described trestle bridge system (8) is provided with transverse-moving mechanism (1);The longitudinal tail end of described trestle bridge system (8) is provided with trestle road wheel (15).
2. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterized in that, described fixing inverted arch template (41) is arranged on top, inverted arch mould longeron (5) outside, and described movable inverted arch template (42) is hinged on fixing inverted arch template (41) lower section.
3. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterised in that described drawing mechanism (17) is hydraulic jack.
4. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterised in that described drawing mechanism (17) is hoist engine.
5. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterised in that described lifting props up spike (3) for hydraulic jack elevating mechanism.
6. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterized in that, described inverted arch walking mechanism (7) includes the mounting seat (71) that its upper end is arranged, described mounting seat (71) lower end is provided with hoist cylinder (72), and described hoist cylinder (72) lower end is provided with the road wheel (73) of driven by motor.
7. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterized in that, described transverse-moving mechanism (1) includes the fixing rail gantry (13) being horizontally installed on trestle bridge system (8) bottom, described fixing rail gantry (13) is flexibly connected rail plate (11), and described rail plate (11) is evenly arranged with supporting pad (12);Traversing oil cylinder (14) it is provided with between described rail plate (11) and trestle bridge system (8).
8. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterized in that, described trestle bridge system (8) two medial surface is symmetrically arranged with upper and lower two groups of slide rails (81), being symmetrically arranged with upper and lower two groups of rollers (92) on described trestle dolly (9) two lateral surface, described roller (92) is fastened between slide rail (81).
9. automatic hydraulic inverted arch trestle chassis as claimed in claim 1, it is characterized in that, slide rail (81) it is provided with outside described trestle bridge system (8) upper and lower surface, described trestle dolly (9) is U-shaped frame structure, and inside framework, upper and lower surface is symmetrically arranged with roller (92);Described roller (92) is arranged on slide rail (81).
CN201620205599.7U 2016-03-17 2016-03-17 Automatic hydraulic pressure inverted arch landing stage platform truck CN205370595U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649654A (en) * 2016-03-17 2016-06-08 湖南五新机械有限公司 Automatic hydraulic inverted arch trestle trolley and construction method thereof
CN106638272A (en) * 2017-02-27 2017-05-10 辽宁工程技术大学 Self-moving type vehicular bridge for striding over belt conveyors
CN106884373A (en) * 2017-03-06 2017-06-23 山东大学 A kind of multi-functional trestle and method suitable for the construction of tunnel inverted arch
CN107060819A (en) * 2017-01-23 2017-08-18 成都锐龙机械制造有限公司 Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649654A (en) * 2016-03-17 2016-06-08 湖南五新机械有限公司 Automatic hydraulic inverted arch trestle trolley and construction method thereof
CN107060819A (en) * 2017-01-23 2017-08-18 成都锐龙机械制造有限公司 Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel
CN107060819B (en) * 2017-01-23 2019-10-22 成都锐龙机械制造有限公司 A kind of tunnel oil cylinder implementation formula inverted arch trestle and its application method
CN106638272A (en) * 2017-02-27 2017-05-10 辽宁工程技术大学 Self-moving type vehicular bridge for striding over belt conveyors
CN106638272B (en) * 2017-02-27 2018-04-06 辽宁工程技术大学 A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor
CN106884373A (en) * 2017-03-06 2017-06-23 山东大学 A kind of multi-functional trestle and method suitable for the construction of tunnel inverted arch
CN106884373B (en) * 2017-03-06 2018-10-12 山东大学 A kind of multi-functional trestle and method suitable for the construction of tunnel inverted arch

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