Tunnel water cable trench inner film shrinkage formwork, trolley and construction method of tunnel hydroelectric cable trench inner film shrinkage formwork

A formwork trolley and water cable technology, which is applied in tunnels, tunnel linings, earthwork drilling and mining, etc., can solve problems such as low efficiency, bumping of concrete corners, damage to the appearance quality of trenches and cable troughs, etc.

Pending Publication Date: 2021-10-29
CHINA RAILWAY SHANGHAI ENGINEERING BUREAU GROUP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of manual form removal, it is easy to bump into the corners of the concrete, which will damage the appearance quality of the cable channel of the gutter, and often requires a large number of repair procedures in the later stage, which is inefficient

Method used

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  • Tunnel water cable trench inner film shrinkage formwork, trolley and construction method of tunnel hydroelectric cable trench inner film shrinkage formwork
  • Tunnel water cable trench inner film shrinkage formwork, trolley and construction method of tunnel hydroelectric cable trench inner film shrinkage formwork
  • Tunnel water cable trench inner film shrinkage formwork, trolley and construction method of tunnel hydroelectric cable trench inner film shrinkage formwork

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A shrinkable formwork for the inner membrane of a tunnel water cable trench, including a shrinkable cable trench formwork body 1, the shrinkable cable trench formwork body 1 is divided into three pieces, which are two side panels and a bottom panel, two side panels and a bottom panel. A bottom plate is fixedly connected, and several groups of shrinking devices are arranged longitudinally (that is, along the extension direction of the formwork body) on the upper ends of the two side plates. Composition (both ends of the sleeve are provided with internal threads, and the directions of the two sections of internal threads are opposite), the two lead screws 2 in opposite directions are disconnected in the middle and arranged on the same line, and the two-way threaded cylinder 3 can be sleeved on the two lead screws in opposite directions 2, a hole 4 is provided in the center of the two-way threaded cylinder;

[0024] The two ends of the two lead screws 2 in opposite directi...

Embodiment 2

[0026] A shrinkable formwork for the inner membrane of a water cable trench in a tunnel, including a shrinkable cable trench formwork body 1, the shrinkable cable trench formwork body 1 is more than two, and a positioning plate 5 is fixedly arranged on the upper surface of each side plate, and each The positioning plate on the same side of the body is fixed on a steel plate 13, and the positioning plate 5 on the other side of each body is fixed on another steel plate 13. The two steel plates 13 are movable in parallel, and a protrusion is respectively arranged in the middle of the two steel plates. , the vertical direction of the protrusion is provided with a support 14 (the support is provided with holes, the two screw screws with opposite directions have holes, and the ends of the two screw screws with opposite directions are connected to the support by bolts), through the two support The seat 14 is provided with two lead screws 2 in opposite directions, and two-way screw cyl...

Embodiment 3

[0028] A tunnel water cable ditch formwork trolley, comprising a frame 7, the frame 7 is a rectangular frame structure with an empty middle part, a base 8 is arranged at the lower end of the frame, and is used for temporarily displaying the tunnel water cable ditch formwork trolley, and the lower end of the base 8 is arranged There are 4 wheels 9, and two sets of beam cranes 10 are arranged on the upper part of the frame 7. The beam cranes 10 are composed of a bridge frame 11 and a lifting trolley 12. The lifting trolley 12 can lift the tunnel water cable ditch formwork through the steel wire (steel wire Through the gap of the shrinking device, the inner mold can be lifted). Further, the base lower end wheel 9 is provided with a motor and a reducer, the motor is arranged on the base 8, the motor is connected with the wheel 9 through the reducer, and the wheel 9 is driven by the motor and the reducer.

[0029] A method for constructing the shrinkable formwork of the inner film ...

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Abstract

The invention relates to the technical field of tunnel water cable trench trolley construction, in particular to a tunnel water cable trench inner film shrinkage formwork, a trolley and a construction method of the tunnel water cable trench inner film shrinkage formwork. The tunnel water cable trench inner film shrinkage formwork comprises a shrinkable cable trench formwork body which is divided into three parts including two side plates and a bottom plate; the two side plates are fixedly connected with the bottom plate; the formwork is characterized in that a plurality of groups of shrinkage devices are longitudinally arranged at the upper ends of the two side plates; each shrinkage device is composed of two lead screws in opposite directions and a two-way threaded cylinder; the two lead screws in opposite directions are collinearly arranged; the two-way threaded cylinder can sleeve the two lead screws in opposite directions; a hole is formed in the center of the two-way threaded cylinder; and the two ends of the two lead screws in the opposite directions are fixedly connected with the upper surfaces of the two side plates through positioning plates respectively. The plurality of groups of shrinkage devices each consisting of the two lead screws in opposite directions and a two-way threaded cylinder are arranged on the formwork, and the formwork is changed into a movable formwork from a fixed formwork, so that the formwork is convenient to detach.

Description

technical field [0001] The invention relates to the technical field of trolley construction for tunnel water cable trenches, in particular to a tunnel water cable trench inner membrane shrinkage formwork, a trolley and a construction method thereof. Background technique [0002] In the construction of the existing tunnel water cable ditch, the whole water cable ditch trolley is used for one-time pouring. The formwork removal starts about 3 hours after the pouring is completed. When the formwork is removed, the formwork is beaten to separate the concrete from the formwork. On the trolley, move the trolley to the next mold pouring position to install the formwork. In the process of manual form removal, it is easy to collide with the corners of the concrete, which will damage the appearance quality of the cable channel of the gutter, and often requires a large number of repair processes in the later stage, which is inefficient. Contents of the invention [0003] In order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/10
CPCE21D11/102E21D11/10
Inventor 王永强高凯周洪光霍永超户少勇
Owner CHINA RAILWAY SHANGHAI ENGINEERING BUREAU GROUP CO LTD
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