Small-sized tunnel maneuvering construction trolley

Abstract

A small-sized tunnel maneuvering construction trolley comprises a maneuvering trolley body, a frame body, an adjustable support and an operation platform. The frame body is arranged in a motor trolley hopper; a plurality of groups of adjustable supports are horizontally arranged in the width direction of the maneuvering trolley and are symmetrically fixed on the two side surfaces of the frame body, and each group of adjustable supports consists of a sleeve and a connecting pipe inserted into the sleeve; three layers of operation platforms are arranged, the top layer operation platform is fixed to the top of the frame body, the two bottom layer operation platforms and the two middle layer operation platforms are symmetrically arranged on the two sides of the frame body respectively and arranged in the length direction of the motorized trolley, and the two ends of each bottom layer operation platform and the two ends of each middle layer operation platform are fixedly erected on connecting pipes of the two corresponding adjustable supports front and back; and a ladder is arranged on the motorized trolley. The construction trolley is provided with the adjustable and telescopic operation platform, the requirement for different-height construction of the whole section of a tunnel can be met, favorable construction conditions are created for tunnel construction, the construction trolley is simple in structure and high in maneuverability, meanwhile, small tools can be transported, and the tunnel construction efficiency is improved to a great extent.

Description

Technical field:

[0001] The utility model relates to the technical field of small tunnel excavation support construction, in particular to a small tunnel motorized construction trolley. Background technology:

[0002] With the rapid development of infrastructure construction, tunnel engineering is increasingly being used in transportation, water conservancy, mining, and other fields. Small tunnels, due to their complex construction environments and small cross-sections, limit the size and working space of construction equipment, placing higher demands on the flexibility, adaptability, and efficiency of construction equipment. Most existing tunnel construction trolleys are too large to fit into small tunnels for construction, and their movement relies primarily on large loaders, which are slow. Repeated movements not only affect construction efficiency but can also loosen the trolley structure, posing safety hazards. Furthermore, they can only accommodate specific tunnel cross-section dimensions, resulting in poor adaptability. Utility model content:

[0003] The purpose of the utility model is to provide a small-sized motorized tunnel construction trolley to solve the problems mentioned in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] The utility model provides a small-sized tunnel mobile construction trolley, which comprises a mobile trolley, a frame, an adjustable support, a working platform and a ladder; the bottom of the frame is fixed in the bucket of the mobile trolley; the adjustable supports are arranged in an array, which are all horizontally arranged along the width direction of the mobile trolley and symmetrically fixed on both sides of the frame, and are detachably cantilevered with both sides of the frame, and each group of adjustable supports consists of a sleeve and a connecting pipe inserted into the sleeve; the working platform is provided with three layers, namely a bottom working platform, a middle working platform and a top working platform, all of which are horizontally arranged, and the top working platform is fixed on the top of the frame, and two bottom working platforms and two middle working platforms are provided, which are symmetrically arranged on both sides of the frame, and are all arranged along the length direction of the mobile trolley, and both ends are laid on the connecting pipes of the two corresponding adjustable supports at the front and rear, and are fixedly connected to the connecting pipes of the adjustable supports; the bottom end of the ladder is fixed on the mobile trolley, and the upper end is fixed on the top working platform.

[0006] The frame includes four columns, four top cross bars, four middle cross bars, and four lower cross bars, and the columns are made of I-beams; eight groups of adjustable supports are arranged on both sides of the frame, four of which are symmetrically welded in pairs to the upper part of the middle cross bar of the frame and the inner side of the corresponding columns, and the sleeves of the adjustable supports and the middle cross bar of the frame are firmly connected by connecting steel bars by welding; the other four groups of adjustable supports are symmetrically welded in pairs to the upper part of the lower cross bar of the frame and the inner side of the columns, and the sleeves of the adjustable supports and the lower cross bar of the frame are firmly connected by connecting steel bars by welding.

[0007] Two frame diagonal braces are symmetrically cross-welded on the inner side surfaces of the two corresponding columns on the frame to form a shear brace of an X-shaped structure.

[0008] The adjustable support sleeve and the connecting pipe are both provided with opposite bolt holes, and the two are connected by inserting bolts into the bolt holes.

[0009] The adjustable support sleeve and the connecting pipe are both made of steel pipes.

[0010] The connecting pipe of the adjustable support is provided with a plurality of bolt holes, and the length of the connecting pipe can be adjusted according to actual construction requirements.

[0011] The connecting pipe of the adjustable support and the bottom working platform and the middle working platform are all provided with opposite bolt holes, and are connected by inserting bolts into the bolt holes.

[0012] The bottom working platform, middle working platform and top working platform all include platform frame, grid and mesh. The platform frame is welded into one by four I-beams. A grid is arranged on the upper part of the platform frame. The grid is welded by threaded steel bars. A mesh is arranged on the grid. The mesh is welded by steel bars.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The utility model realizes an adjustable and retractable working platform through the adjustable supports on both sides of the frame, and the utility model is provided with three working platforms of different heights: upper, middle and lower, which can meet the construction requirements of different heights of the entire section of the tunnel, creating favorable construction conditions for tunnel construction, and has strong applicability and practicality.

[0015] 2. The utility model has a simple structure and strong maneuverability. It can also transport small tools and equipment, thus greatly improving the efficiency of tunnel construction. Description of the drawings:

[0016] Figure 1 It is a side structural schematic diagram of the utility model;

[0017] Figure 2 This is a front view structural diagram and an adjustable support drawing of the utility model.

[0018] Reference numerals in the figures:

[0019] 1-Motorized trolley; 2-Ladder; 3-Bottom working platform; 4-Middle working platform; 5-Top working platform; 6-Frame; 7-Adjustable support; 8-Frame diagonal brace. Specific implementation method:

[0020] The present invention is further described below in conjunction with specific implementation methods. The specific implementation methods are further descriptions of the principles of the present invention and do not limit the present invention in any way. Technologies that are the same or similar to the present invention do not exceed the scope of protection of the present invention.

[0021] See also Figure 1-Figure 2 The present invention provides a small-sized mobile tunnel construction trolley, comprising a trolley 1, a frame 6, adjustable supports 7, a work platform, and a ladder 2. The bottom of the frame 6 is fixed within the cargo box of the trolley 1, facilitating rapid movement of the trolley. The frame 6 is dimensioned according to construction requirements and comprises four upright columns, four top crossbars, four middle crossbars, and four lower crossbars. The upright columns are constructed of I-beams. Two diagonal braces 8 are symmetrically cross-welded on the inner sides of two corresponding upright columns of the frame 6, forming an X-shaped shear brace. The adjustable supports 7 are arranged in arrays, all of which are horizontally arranged along the width direction of the motorized trolley 1, and are symmetrically fixed on both sides of the frame 6, and are detachably cantilevered on both sides of the frame 6; each group of adjustable supports 7 is composed of a sleeve and a connecting pipe inserted into the sleeve, and the sleeve and the connecting pipe are provided with through-bolt holes, and the two are connected by bolts inserted into the bolt holes, and the sleeve and the connecting pipe are made of steel pipes; eight groups of adjustable supports 7 are arranged on both sides of the frame 6, of which four groups are symmetrically welded in pairs to the upper part of the middle cross bar of the frame 6 and the inner side of the corresponding column, and the sleeves of the adjustable supports 7 and the middle cross bar of the frame 6 are firmly connected by connecting steel bars by welding; the other four groups of adjustable supports 7 are symmetrically welded in pairs to the upper part of the lower cross bar of the frame 6 and the inner side of the column, and the sleeves of the adjustable supports 7 and the lower cross bar of the frame 6 are firmly connected by connecting steel bars by welding. The working platform is provided with three layers, namely the bottom working platform 3, the middle working platform 4, and the top working platform 5, all of which are arranged horizontally. The bottom working platform 3, the middle working platform 4, and the top working platform 5 all include a platform frame, a grid, and a mesh. The platform frame is welded into one by four I-beams. A grid is arranged on the upper part of the platform frame, which is composed of welded threaded steel bars. A mesh is arranged on the grid, which is composed of welded steel bars. The top working platform 5 is fixed on the top of the frame 6. There are two each of the bottom working platform 3 and the middle working platform 4, which are symmetrically arranged on both sides of the frame 6 and are arranged along the length direction of the motorized trolley 1. The two ends are mounted on the connecting pipes of the two corresponding adjustable supports 7 at the front and rear, and are fixedly connected to the connecting pipes of the adjustable supports 7. The connecting pipes of the adjustable supports 7 and the bottom working platform 3 and the middle working platform 4 are provided with through bolt holes, which are connected by bolts inserted into the bolt holes. The connecting pipes of the adjustable supports 7 are provided with multiple bolt holes, and the length of the connecting pipes can be adjusted according to actual construction requirements to achieve the scalability of the working platform of the construction trolley. The bottom end of the ladder 2 is fixed on the motorized trolley 1 , and the upper end is fixed on the top working platform 5 .

Claims

1. A small-sized mobile tunnel construction trolley, characterized by: The construction trolley comprises a motorized trolley (1), a frame (6), an adjustable support (7), a working platform, and a ladder (2); the bottom of the frame (6) is fixed in the bucket of the motorized trolley (1); the adjustable supports (7) are arranged in groups, all of which are arranged horizontally along the width direction of the motorized trolley (1) and symmetrically fixed on both sides of the frame (6), and are detachably cantilevered with both sides of the frame (6); each group of adjustable supports (7) is composed of a sleeve and a connecting pipe inserted into the sleeve; the working platform is provided with three layers, namely, a bottom working platform (3), a middle working platform (4), and a bottom working platform (5). The platform (4) and the top working platform (5) are both arranged horizontally. The top working platform (5) is fixed on the top of the frame (6). Two bottom working platforms (3) and two middle working platforms (4) are respectively arranged symmetrically on both sides of the frame (6). Both are arranged along the length direction of the motorized trolley (1). The two ends are set on the connecting pipes of the two corresponding adjustable supports (7) at the front and rear, and are fixedly connected to the connecting pipes of the adjustable supports (7); the bottom end of the ladder (2) is fixed on the motorized trolley (1), and the upper end is fixed on the top working platform (5).

2. A small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The frame (6) comprises four uprights, four top cross bars, four middle cross bars and four lower cross bars, and the uprights are made of I-beams; eight groups of adjustable supports (7) are arranged on both sides of the frame (6), four of which are symmetrically welded in pairs to the upper part of the middle cross bar of the frame (6) and the inner side of the corresponding uprights, and the sleeves of the adjustable supports (7) and the middle cross bar of the frame (6) are firmly connected by connecting steel bars by welding; the other four groups of adjustable supports (7) are symmetrically welded in pairs to the upper part of the lower cross bar of the frame (6) and the inner side of the uprights, and the sleeves of the adjustable supports (7) and the lower cross bar of the frame (6) are firmly connected by connecting steel bars by welding.

3. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: Two frame diagonal braces (8) are symmetrically cross-welded on the inner side surfaces of the two corresponding columns on the frame (6) to form a shear brace of an X-shaped structure.

4. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The sleeve and the connecting pipe of the adjustable support (7) are both provided with opposite bolt holes, and the two are connected by inserting bolts into the bolt holes.

5. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The sleeve and connecting pipe of the adjustable support (7) are both made of steel pipes.

6. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The connecting pipe of the adjustable support (7) is provided with a plurality of bolt holes, and the length of the connecting pipe can be adjusted according to actual construction requirements.

7. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The connecting pipe of the adjustable support (7) and the bottom working platform (3) and the middle working platform (4) are all provided with through-bolt holes, and are connected by inserting bolts into the bolt holes.

8. The small-sized mobile tunnel construction trolley according to claim 1, characterized in that: The bottom working platform (3), the middle working platform (4) and the top working platform (5) all include a platform frame, a grid and a mesh. The platform frame is welded together by four I-beams. A grid is arranged on the upper part of the platform frame. The grid is welded by threaded steel bars. A mesh is arranged on the grid. The mesh is welded by steel bars.

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