CN207795282U - A kind of tunnel steel arch frame trolley - Google Patents

Abstract

The utility model discloses a kind of tunnel steel arch frame trolleys, it is desirable to provide a kind of tunnel steel arch frame trolley of high construction efficiency.It includes frame body, is set to the walking mechanism of frame body lower end, and two sets are respectively arranged at the lower support device of frame body both sides, and is set to the top braces device at the top of frame body；Frame body includes that multiple door frames being set up in parallel and two are arranged in parallel in the bottom girder of door frame lower end；Walking mechanism includes driving wheel and driven wheel with driving；The lower support device includes the lower support frame being set on door frame, the lower part mobile station being slideably positioned in lower support frame, drive cylinder for driving lower part mobile station to slide, cylinder body tail end and the hinged transversal stretching oil cylinder of lower part mobile station, lift cylinder for driving transversal stretching oil cylinder to swing, it is articulated with the lower bracket of the piston rod end of transversal stretching oil cylinder, and the lower part being set in lower bracket adjusts lead screw；Top braces device includes the top mobile station being set at the top of door frame.

Description

A tunnel steel arch trolley

technical field

The utility model relates to the technical field of tunnel construction equipment, in particular to a tunnel steel arch trolley.

Background technique

The tunnel construction process is generally: earthwork excavation→primary support→tunnel waterproofing→secondary lining→tunnel drainage→tunnel pavement→tunnel decoration. Among them, the initial support is the core and key of the construction. During the construction process of the initial support, it is necessary to carry out splicing and installation of steel arches. The traditional steel arch installation work is purely manual. The disadvantages of this operation are: high labor intensity and high labor cost; slow installation speed, prolonging the construction period; and great potential safety hazards.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a tunnel steel arch trolley which is easy to operate, high in installation efficiency, and can effectively reduce labor intensity and cost.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

A tunnel steel arch trolley, comprising a frame body, a traveling mechanism arranged at the lower end of the frame body, two sets of lower support devices respectively arranged on both sides of the frame body, and a top support device arranged at the top of the frame body; the frame body It includes a plurality of door frames arranged side by side, and two bottom beams arranged in parallel at the lower end of the door frames and connected to the lower end of each door frame on the same side; wheel, and a driven wheel that is installed on the lower part of the door frame through the second support column and is symmetrical to the driving wheel; , the two ends are respectively hinged with the lower mobile platform and the lower supporting frame, and are used to drive the driving cylinder for sliding the lower mobile platform; The lifting cylinder hinged with the lower mobile platform and the cylinder body of the horizontal telescopic oil cylinder and used to drive the swing of the horizontal telescopic oil cylinder, the lower bracket hinged at the end of the piston rod of the horizontal telescopic oil cylinder, and the lower bracket arranged on the lower bracket for connecting the arch The lower part adjusts the screw rod; the top support device includes a top mobile platform that is arranged on the top of the door frame through a slide rail and can move along the length direction of the door frame, and a driving device that drives the top mobile platform to move along the slide rail. Upper, the top sliding table that can move along the width direction of the mast, the two ends are respectively hinged with the top sliding table of the top moving table, the top oil cylinder used to drive the top sliding table to move, at least two sets of cylinder tail ends are fixed with the top sliding table Connected and vertically arranged jacking oil cylinder, hinged on the top bracket at the end of the piston rod of the jacking oil cylinder, and the upper adjusting screw rod arranged on the top bracket for connecting the arch frame.

Preferably, the driving device adopts the structural form of motor-driven rollers.

Preferably, a reinforcement bar is arranged on the door frame.

Compared with the prior art, the utility model has the following advantages:

The utility model has the advantages of simple and reasonable structure, high degree of mechanization, convenient and fast operation, and installation workers can quickly complete the installation of the steel arch frame, which not only ensures the quality of the installation, but also improves the safety during the installation process of the steel arch frame and reduces the installation cost. The labor intensity of people can be significantly reduced, the installation efficiency can be improved and the construction period can be effectively shortened.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is a structural schematic view of the utility model when deployed.

Fig. 2 is the left side view of Fig. 1, wherein the arch is not shown, and the operator is shown.

Fig. 3 is a structural schematic diagram of the utility model in a gathered state.

Fig. 4 is the left side view of Fig. 3, wherein the arch is not shown, and the operator is shown.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The tunnel steel arch trolley shown in Figure 1-4 includes a frame body, a walking mechanism arranged at the lower end of the frame body, two sets of lower support devices respectively arranged on both sides of the frame body, and a top support device arranged on the top of the frame body The frame body includes a plurality of door frames 17 arranged side by side, and two bottom beams 3 arranged parallel to the lower ends of the door frames 17 and connected to the lower ends of the same side of each door frame 17; Installed on the lower part of the door frame 17, the driving wheel 25 driven by the belt, and the driven wheel 18 installed on the bottom of the door frame 17 and symmetrical with the driving wheel 25 through the second support column 19; The upper lower support frame 27 is slidably arranged on the lower mobile platform 28 on the lower support frame 27, and the two ends are respectively hinged with the lower mobile platform 28 and the lower support frame 27, and are used to drive the drive oil cylinder 29 for driving the lower mobile platform 28 to slide. The tail end of the body is hinged with the lower mobile platform 28, and the horizontal telescopic oil cylinder 7 with the piston rod protruding outwards. Oil cylinder 8, the lower bracket 4 hinged at the end of the piston rod of the horizontal telescopic oil cylinder 7, and the lower adjustment screw 2 arranged on the lower bracket 4 for connecting the arch 1; On the top of the door frame 17, the top mobile platform 11 that can move along the length direction of the door frame 17, drives the driving device 10 that drives the top mobile platform 11 to move along the slide rail, is slidably arranged on the top mobile platform 11, and can move along the width direction of the door frame 17 The moving top slide 9 is hinged to the top slide 9 of the top slide 11 at both ends, and is used to drive the top cylinder 12 to move the top slide 9. At least two sets of cylinder tails are fixedly connected to the top slide 9, And the jacking oil cylinder 13 that is vertically arranged, the top bracket 6 that is hinged at the end of the piston rod of the jacking oil cylinder 13, and the top adjusting screw 30 that is arranged on the top bracket 6 and is used to connect the arch 1.

The driving device 10 is preferably in the form of a motor-driven roller, and obviously can also be driven by means of an oil cylinder or the like.

The door frame 17 is provided with a reinforcing rod 16, which can increase the strength of the frame body.

The utility model can greatly facilitate the positioning of the arch frame, facilitate the operator 31 to quickly fix the arch frame 1, significantly reduce labor costs, improve installation efficiency and effectively shorten the construction period.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (3)

1. a kind of tunnel steel arch frame trolley, including frame body are set to the walking mechanism of frame body lower end, two sets are respectively arranged at frame body The lower support device of both sides, and it is set to the top braces device at the top of frame body；It is characterized in that：The frame body includes more A door frame being set up in parallel（17）And two be arranged in parallel in door frame（17）Lower end and each door frame（17）The same side lower end connects Bottom girder（3）；The walking mechanism includes passing through the first support column（26）It is installed on door frame（17）Lower part, the driving wheel with driving （25）, and pass through the second support column（19）It is installed on door frame（17）Lower part and and driving wheel（25）Symmetrical driven wheel（18）； The lower support device includes being set to door frame（17）On lower support frame（27）, it is slideably positioned in lower support frame（27） On lower part mobile station（28）, both ends respectively with lower part mobile station（28）And lower support frame（27）It is hinged, for driving lower part Mobile station（28）The drive cylinder of sliding（29）, cylinder body tail end and lower part mobile station（28）Hinged and piston rod is outwardly directed Transversal stretching oil cylinder（7）, both ends respectively with lower part mobile station（28）And transversal stretching oil cylinder（7）Cylinder body is hinged, for driving cross To telescopic oil cylinder（7）The lift cylinder of swing（8）, it is articulated with transversal stretching oil cylinder（7）Piston rod end lower bracket （4）, and it is set to lower bracket（4）Above, for connecting arch（1）Lower part adjust lead screw（2）；The top braces device Including being set to door frame by sliding rail（17）Top, can be along door frame（17）The top mobile station of length direction movement（11）, driving Top mobile station（11）The driving device moved along sliding rail（10）, it is slideably positioned in top mobile station（11）It above, can be along door frame （17）The top slide unit of width direction movement（9）, both ends respectively with top mobile station（11）Top slide unit（9）It is hinged, is used for Driving top slide unit（9）Mobile top oil cylinder（12）, at least two sets of cylinder body tail ends and top slide unit（9）It is connected and sets vertically The jacking cylinder set（13）, it is articulated with jacking cylinder（13）The top-support of piston rod end（6）, and it is set to top-support （6）Above, for connecting arch（1）Top adjust lead screw（30）.

2. tunnel steel arch frame according to claim 1（1）Trolley, it is characterised in that：The driving device（10）Using motor Drive the structure type of idler wheel.

3. tunnel steel arch frame according to claim 1（1）Trolley, it is characterised in that：The door frame（17）On be provided with reinforcement Bar（16）.