A dotting device based on anti-falling and breaking for road and bridge construction
A technology for bridge construction and anti-falling. It is applied in the direction of roads, bridges, roads, etc. It can solve the problems of chalk falling off, short service life, and inability to switch the marking method, and achieve the effect of stable guiding, drilling and marking, and convenient installation and use.
Active Publication Date: 2021-05-28
王功涛
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Problems solved by technology
[0005] In order to solve the above-mentioned technical problems, the present invention provides a dotting device based on road and bridge construction to prevent falling off and breaking, to solve the problem that when the existing road and bridge dotting devices are used, it usually needs to draw lines or punch holes. It is impossible to conveniently switch the dotting method according to the demand, and it is impossible to quickly change to the line-drawing dot marking when the bridge is hard and cannot be drilled. Moreover, when the existing road and bridge dotting device is in use, the line is drawn with thicker chalk When dotting, the chalk is prone to fall off or break, the service life is short, and it needs to be replaced frequently
Method used
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[0030] as attached figure 1 to attach Figure 8 Shown:
[0031]The invention provides a dotting device based on the anti-falling and breaking of road and bridge construction, including: a main body 1, a tape measure 2, a pull rod 3, a connecting piece 4, a middle rod 5, an impact rod 6 and an insertion rod 7; the main body 1 is a rectangular structure , and the top rear of the main body 1 is provided with a push rod; the main body 1 includes a placement groove 101, a control groove 102, and a middle groove 103; The interior of 101 is provided with an arc-shaped rubber block; the middle position of the rear end of the main body 1 is provided with a control groove 102, and the middle position of the top end of the main body 1 is provided with a rectangular structure middle groove 103; the inner middle sides of the middle groove 103 There is a rotating head with a T-shaped circular structure; the inner end of the tape measure 2 is embedded and installed in the middle of the rea...
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The invention provides a dotting device based on the anti-falling and breaking of road and bridge construction, comprising: a main body, a tape measure, a pull rod, a connector, a middle rod, an impact rod and a plunger; the main body is a rectangular structure, and the top rear of the main body is provided There is a push rod; the main body includes a placement slot, a control slot, and a middle slot; the front of the top of the main body is provided with two rectangular strip-shaped placement slots, and the interior of the placement slot is provided with an arc-shaped rubber card block; the middle position of the rear end of the main body is provided with a control slot; the middle rod is used to be installed in the inside of the middle slot, so that when the device needs to conveniently replace the line drawing and punching points, the impact rod or The insertion rod is conveniently inserted into the inside of the middle rod for quick dotting, and the middle rod is a cylindrical tubular structure, which is to make the insertion of the impact rod or the insertion rod faster and more convenient, so that it is convenient to install and use.
Description
technical field [0001] The invention belongs to the technical field of bridge dotting, and more specifically relates to a dotting device based on anti-falling and breaking for road and bridge construction. Background technique [0002] In the process of road and bridge construction, it is usually necessary to mark at a fixed distance to ensure the accuracy of the construction process. [0003] For example, the application number: CN201710563449.2 relates to a road and bridge dotting device for municipal construction, including a housing, a traveling wheel, a driving wheel, a drive roller, a driven wheel, and a dotting device; the section of the housing is a hollow rectangle, The lower end surface of the housing is provided with a walking hole, and the lower end surface of the housing is located on the right side of the walking hole and is provided with a punching hole; the walking wheel includes a walking wheel shaft, a walking wheel body, and a first gear; the driving wheel...
Claims
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IPC IPC(8): E01D21/00E01C23/01
CPCE01C23/01E01D21/00
Inventor 王功涛仇鹏如胡迷周崔振兴谷学迪董学乾吕亚琳
Owner 王功涛