Tunnel excavation supporting trolley and construction method and operation method thereof

A technology for tunnel excavation and support of trolleys, which is applied in tunnels, earthwork drilling, bridge forms, etc., can solve the problems of complicated construction operations and complex trolley structures, and achieves improved construction efficiency, obvious technical advantages, and random adjustment. The effect of construction location

Pending Publication Date: 2021-10-01
四川路桥盛通建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, the present application provides a tunnel excavation support trolley and its construction method and operation method, which are used to solve the complex structure of the trolley, cumbersome construction operation and high tunnel driving height existing in the construction of the doorway trolley in the related art. Due to the limitation of the door-type trolley, which affects the traffic of vehicles, the construction method of the tunnel excavation support trolley has high construction efficiency and stable structure, and can quickly carry out construction on the construction section without causing traffic restrictions during the construction process.

Method used

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  • Tunnel excavation supporting trolley and construction method and operation method thereof
  • Tunnel excavation supporting trolley and construction method and operation method thereof
  • Tunnel excavation supporting trolley and construction method and operation method thereof

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Embodiment 1

[0031] The embodiment of the present application provides a construction method for a tunnel excavation support trolley, including the steps of installing the track 6 and the installation of the construction platform 2. Specifically, the steps include:

[0032] Installation of track 6: install multiple bottom beams 9, install track 6 on the top surface of each bottom beam 9, and bolt connection beam 10 between two adjacent bottom beams 9;

[0033] Installation of construction platform 2: install rail clamp 8 at the bottom of base plate 5, fix base plate 5 on rail 6, set hydraulic telescopic column 4 on the top surface of base plate 5, install construction platform 2 on the top of hydraulic telescopic column 4, construction platform 2 move along the length direction of the bottom beam 9 through the track 6;

[0034]Installation of separate lifting trestle 12: arrange a separate lifting trestle 12 at both ends of the contact beam 10, each separate lifting trestle 12 includes app...

Embodiment 2

[0046] This application provides an operation method for the construction method of the tunnel excavation and support trolley, wherein the construction method of the tunnel excavation and support trolley is as described in Embodiment 1, and no redundant description is made here. The present embodiment provides The method of operation includes the following steps:

[0047] Construction platform 2 operation: drive the construction platform 2 to move to the construction section through the walking system 7, control the height of the construction platform 2 through the hydraulic telescopic column 4, and control the movement of the rail clamp 8 in the track 6 to drive the distance between adjacent construction platforms 2 ;

[0048] Operation of the separated lifting trestle 12: When vehicles pass by in the construction section, the two separated lifting trestles 12 are moved to the two ends of the connecting beam 10 respectively, and the approach bridge 13 is lowered to the tunnel...

Embodiment 3

[0052] The embodiment of the present application provides a construction method of a tunnel excavation supporting trolley, including a construction platform 2 and a separated lifting trestle 12, and the construction platform 2 and the separated lifting trestle can be excavated according to the tunnel described in the first embodiment The construction method of the support trolley is obtained, and the operation method of the tunnel excavation support trolley provided in this embodiment can be operated through the operation method provided in the second embodiment to meet the tunnel driving requirements during the tunnel support construction in the construction section , and does not limit the ride height.

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Abstract

The invention discloses a tunnel excavation supporting trolley and a construction method and an operation method thereof, wherein the tunnel excavation supporting trolley is characterized in that a trolley assembly is detachably connected with a lifting main bridge, and a hydraulic lifting system is used for controlling lifting of an approach bridge and the lifting main bridge so that a separated lifting trestle can be switched between a construction mode and a traveling mode; when the separated lifting trestle is in the construction mode, the approach bridge is lifted, walking wheels touch the ground, the lifting main bridge is lifted and separated from the trolley assembly, and the trolley assembly moves on the ground of a tunnel to conduct construction on the tunnel; and when the separated lifting trestle is in the traveling mode, the approach bridge is lowered to the ground of the tunnel, the walking wheels are lifted, the lifting main bridge is lowered to be fixed to the trolley assembly, and the trolley assembly is fixed to the ground of the tunnel. By means of the tunnel excavation supporting trolley in the embodiment, the separated lifting trestle is flexible, can be switched between the two modes, and cannot limit the traveling height, so that the tunnel excavation supporting trolley is more suitable for tunnel construction.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a tunnel excavation support trolley, a construction method and an operation method thereof. Background technique [0002] Our country has a vast area of ​​mountains and hills, and the construction of roads will involve the construction of many tunnel projects. Of course, in tunnel construction, tunnel excavation and support construction is one of the important components, and it is a powerful guarantee to ensure the safety of tunnel construction. After excavation, the stress of the soil layer is released, and it is easy to deform and collapse. It needs timely initial construction support to support, while ensuring construction safety and providing work space. The initial support generally includes steel mesh-steel arch frame, steel mesh sheet, anchor rod-steel arch frame, which are fixed in time after erection and sprayed concrete. Specifically, if the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/12E01D15/02E01D15/127
CPCE21D9/122E01D15/02E01D15/127
Inventor 沈星甄睿洪成义罗洪波陈骁奇徐勇何宗孺马骁向志高王敏陶永赵栋
Owner 四川路桥盛通建筑工程有限公司
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