CN213422158U - Tunnel lateral wall laser marking positioning device - Google Patents
Tunnel lateral wall laser marking positioning device Download PDFInfo
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- CN213422158U CN213422158U CN202021859743.1U CN202021859743U CN213422158U CN 213422158 U CN213422158 U CN 213422158U CN 202021859743 U CN202021859743 U CN 202021859743U CN 213422158 U CN213422158 U CN 213422158U
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Abstract
The utility model belongs to the technical field of urban rail transit rail area construction, concretely relates to tunnel lateral wall laser marking off positioning device solves the problem that rail plane installation elevation measuring error is big and leads to the efficiency of construction low among the prior art. The laser marking and positioning equipment of the scheme comprises: the rail small flat wagon is placed in a rail traffic rail row area, and the bottom of the rail small flat wagon is provided with rail wheels; the bottom end of the marker post is connected to the small rail flat car, scales are arranged on the marker post, and a sliding groove is formed in the marker post along the length direction; and the laser demarcation device is arranged in the sliding groove of the marker post and used for projecting a marking line for mounting equipment on the side wall of the tunnel. Through adopting the utility model discloses an equipment is showing the construction work efficiency that improves urban rail transit tunnel inside wall equipment fixing, greatly reduced measuring error.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit rail area construction, concretely relates to tunnel lateral wall laser marking off positioning device.
Background
Urban rail transit construction of china is mostly underground section, therefore will appear more and more tunnels in the construction of title four-rail transit, and the length of tunnel, size also are constantly increasing, in the construction in tunnel, need be at the not multiple support of the not co-altitude installation in tunnel and equipment, and the support after the installation can not occupy the operation height of other specialty with equipment, so install these equipment and often need install the elevation measurement to the tunnel wall.
Because the side wall of the tunnel is arc-shaped, the position of the installation elevation of the measuring equipment on the side wall of the circular tunnel to the rail plane is difficult to determine, the traditional installation elevation is usually determined by using a steel tape measure to match with a level gauge for marking and positioning, the elevation determined by the method has large error and low efficiency.
Disclosure of Invention
The utility model aims to solve the problem that rail plane installation elevation measuring error is big and leads to the efficiency of construction low among the prior art, provide a tunnel lateral wall laser marking off positioning device.
Realize the utility model discloses the technical scheme of purpose as follows:
a tunnel sidewall laser scribing location apparatus comprising:
the rail small flat wagon is placed in a rail traffic rail row area, and the bottom of the rail small flat wagon is provided with rail wheels;
the bottom end of the marker post is connected to the small rail flat car, scales are arranged on the marker post, and a sliding groove is formed in the marker post along the length direction;
and the laser demarcation device is arranged in the sliding groove of the marker post and used for projecting a marking line for mounting equipment on the side wall of the tunnel.
Furthermore, a vehicle body is arranged above the rail wheels, and the mark post is fixedly arranged on the vehicle body.
Furthermore, the rail wheel is fixed on the vehicle body through a support frame.
Furthermore, the rail wheels are arranged on a fixed shaft, and the support frames are fixed at two ends of the fixed shaft.
Still further, the rail wheels are provided in two, and the two rail wheels are respectively located on two rails.
Furthermore, the support frame comprises two support rods and two inclined rods;
the bottom ends of the two support rods are respectively fixed at the two ends of the fixed shaft, and the top ends of the two support rods are connected to the vehicle body;
the two inclined rods are symmetrically and obliquely arranged, the bottom ends of the two inclined rods are respectively connected to the two supporting rods, and the top ends of the two inclined rods are connected to the vehicle body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a tunnel lateral wall laser marking off positioning device, through set up the sighting rod on the little flatcar of track, set up the scale and set up the spout on the sighting rod, installation laser demarcation appearance in the spout, the track wheel is installed to the bottom of little flatcar of track, when measuring the elevation, confirm the planar height of relative rail on the scale then along the spout reciprocate laser demarcation appearance to confirming the position, the horizontal line that the horizontal line of laser demarcation appearance was projected on the tunnel lateral wall is required installation elevation promptly, can make the horizontal line back-and-forth movement that the laser demarcation appearance was projected on the tunnel lateral wall through the little flatcar of removal track, satisfy different installation mileage equipment and to the measured demand of elevation, and can show the construction work efficiency of improvement urban rail transit tunnel inside wall equipment fixing after the equipment of this scheme comes into operation, greatly reduced measuring error.
Drawings
Fig. 1 is a front view of a laser scribing positioning apparatus provided by an embodiment of the present invention;
fig. 2 is a top view of a laser scribing positioning device provided by an embodiment of the present invention;
fig. 3 is a left side view of the laser scribing positioning device provided by the embodiment of the present invention.
Wherein, 1, laser demarcation device; 2. a marker post; 3. a small rail flat car; 31. a vehicle body; 32. a fixed shaft; 33. a support frame; 331. a support bar; 332. a diagonal bar; 34. a rail wheel.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example (b):
as shown in fig. 1, a tunnel sidewall laser scribing positioning apparatus of this embodiment includes: the rail small flat car 3 is placed in a rail traffic rail row area, and the bottom of the rail small flat car 3 is provided with rail wheels 34; the bottom end of the mark post 2 is connected to the small rail flat car 3, scales are arranged on the mark post 2, and a sliding groove is formed in the mark post 2 along the length direction; laser demarcation appearance 1, laser demarcation appearance 1 installs in the spout of sighting rod 2 for throw out the height marking line of equipment fixing on the tunnel lateral wall.
Compared with the prior art, the laser scribing and positioning device for the side wall of the tunnel has the advantages that by arranging the marker post 2 on the small rail flat car 3, the mark post 2 is provided with scales and a sliding groove, the laser demarcation device 1 is arranged in the sliding groove, the bottom of the small rail flat car 3 is provided with a rail wheel 34, when measuring elevation, the height of the relative rail plane is confirmed on the scale, then the laser line projector 1 is moved up and down to the confirmed position along the sliding chute, the horizontal line projected on the side wall of the tunnel by the laser horizontal line projector 1 is the required installation elevation, the horizontal line projected on the side wall of the tunnel by the laser line projector 1 can move back and forth by moving the small rail flat car 3, the requirements of different installed mileage devices on the measurement of the elevation are met, and the equipment of this scheme can show the construction work efficiency who improves urban rail transit tunnel inside wall equipment fixing after putting into service, greatly reduced measuring error.
According to the tunnel side wall laser scribing and positioning device, in the actual use process, the rail wheels 34 of the rail small flat car 3 are placed on the rail, and after the height of the laser horizontal demarcation device 1 is determined, the laser horizontal demarcation device is fixed. Specifically, the fixing mode of the laser level line projector 1 may be: set up a bolt on the relative one side of sighting rod 2 of laser level line appearance 1, and this bolt passes laser level line appearance 1 and supports tight spout, unclamps the bolt when the horizontal line appearance 1 of laser is removed to needs to remove laser level line appearance 1 to required relative to the planar high position of rail, when fixed, it can to tighten the bolt.
As shown in fig. 2, a vehicle body 31 is provided above the rail wheel 34, and the post 2 is fixedly attached to the vehicle body 31.
With sighting rod 2 fixed mounting on automobile body 31, it is specific, sighting rod 2 is mutually perpendicular with automobile body 31, when carrying out the elevation measurement to the relative rail plane's of tunnel lateral wall height, can guarantee measuring accuracy.
As shown in fig. 1 and 3, the rail wheel 34 is fixed to the vehicle body 31 by a support bracket 33.
Be fixed in the automobile body 31 with rail wheel 34 through support frame 33 on, can guarantee at the in-process of travelling car, the stability of installation between rail wheel 34 and the automobile body 31 when meetting unstable district, the level of laser is thrown line appearance 1 and still can be guaranteed normally and is measured the elevation.
As shown in fig. 1, the rail wheel 34 is mounted on the fixed shaft 32, and the support brackets 33 are fixed to both ends of the fixed shaft 32.
Specifically, the fixing shaft 32 penetrates through the wheel 34, then two ends of the fixing shaft 32 are fixed to the support frame 33, and the two ends of the fixing shaft 32 are respectively provided with the stop blocks, so that the rail wheel 34 is prevented from falling off or falling off from the fixing shaft 32 while the walking stability of the rail wheel 34 is ensured, and the elevation measurement error is avoided.
As shown in fig. 1 and 2, two rail wheels 34 are provided, and the two rail wheels 34 are respectively located on two rails.
Two ends of the car body 31 are respectively provided with a rail wheel 34, the two rail wheels 34 respectively run on the two rails, and the two rail wheels 34 are symmetrically arranged relative to the car body 31, so that the stability and the balance of the small rail flat car 3 are ensured.
Referring to fig. 1, the supporting frame 33 includes two supporting rods 331 and two inclined rods 332; the bottom ends of the two support rods 331 are respectively fixed at the two ends of the fixed shaft 32, and the top ends of the two support rods 331 are connected to the vehicle body 31; the two diagonal rods 332 are symmetrically and obliquely arranged, the bottom ends of the two diagonal rods 332 are respectively connected to the two support rods 331, and the top ends of the two diagonal rods 332 are connected to the vehicle body 31.
Each group of support frames 33 respectively comprises two support rods 331 and two diagonal rods 332, specifically, the two support rods 331 are respectively fixed at two ends of the fixed shaft 32, the two support rods 331 are connected with the bottom of the car body 31, then the side surface of each support rod 331 is fixed through the diagonal rods 332, triangular structures are formed among the support rods 331, the diagonal rods 332 and the car body 31, the stability of connection between the rail wheel 34 and the car body 31 is fully guaranteed, and the occurrence of measurement error conditions caused by car body instability in the moving process is greatly reduced.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A tunnel sidewall laser scribing positioning apparatus, comprising:
the track small flat wagon (3) is placed in a track traffic track area, and track wheels (34) are arranged at the bottom of the track small flat wagon (3);
the bottom end of the marker post (2) is connected to the small rail flat car (3), scales are arranged on the marker post (2), and a sliding groove is formed in the marker post (2) along the length direction;
the laser demarcation device comprises a laser demarcation instrument (1), wherein the laser demarcation instrument (1) is installed in a sliding groove of a marker post (2) and is used for projecting a marking line of equipment installation on the side wall of the tunnel.
2. The tunnel side wall laser marking and positioning device according to claim 1, characterized in that a vehicle body (31) is arranged above the rail wheels (34), and the marker post (2) is fixedly installed on the vehicle body (31).
3. The tunnel sidewall laser marking positioning apparatus of claim 2, wherein the rail wheels (34) are fixed to the vehicle body (31) by a support bracket (33).
4. The tunnel sidewall laser scribing positioning device according to claim 3, wherein said rail wheels (34) are mounted on a fixed shaft (32), and said support frames (33) are fixed at both ends of said fixed shaft (32).
5. The tunnel sidewall laser marking and positioning apparatus of claim 4, wherein there are two rail wheels (34), and the two rail wheels (34) are respectively located on two rails.
6. The tunnel sidewall laser scribing positioning device according to claim 4, wherein said support frame (33) comprises two support bars (331) and two diagonal bars (332);
the bottom ends of the two support rods (331) are respectively fixed at two ends of the fixed shaft (32), and the top ends of the two support rods (331) are connected to the vehicle body (31);
the two inclined rods (332) are symmetrically and obliquely arranged, the bottom ends of the two inclined rods (332) are respectively connected to the two supporting rods (331), and the top ends of the two inclined rods (332) are connected to the vehicle body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859743.1U CN213422158U (en) | 2020-08-31 | 2020-08-31 | Tunnel lateral wall laser marking positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859743.1U CN213422158U (en) | 2020-08-31 | 2020-08-31 | Tunnel lateral wall laser marking positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213422158U true CN213422158U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021859743.1U Active CN213422158U (en) | 2020-08-31 | 2020-08-31 | Tunnel lateral wall laser marking positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213422158U (en) |
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2020
- 2020-08-31 CN CN202021859743.1U patent/CN213422158U/en active Active
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