Rapid angle measuring device suitable for subway circular lining

Abstract

The utility model discloses a rapid angle measuring device suitable for a subway circular lining, which belongs to the technical field of tunnel lining construction, and comprises a forced centering pipe, a laser module is arranged in the forced centering pipe, one side of the forced centering pipe is provided with a central hole, the outer side of the forced centering pipe is uniformly provided with a plurality of positioning guide wheels, and the laser module is arranged in the central hole. According to the utility model, the centering tube is forced to protect the laser module in the centering tube and the positioning guide wheel mounted on the centering tube, the laser module emits laser, and the laser directly irradiates the circular lining structure through the formed center hole to realize two-point orientation so as to concentrate the light beam, thereby solving the problem that in the traditional detection mode, the diameter of an artificial pore is large, and the detection precision is high. The problems of large error and influence on angle measurement accuracy due to the fact that light cannot be centered in the artificial pore-forming process are solved, and meanwhile, an installed positioning guide wheel can achieve the purpose that a centring pipe can be forced to slide in an artificial pore-forming device pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel lining construction, in particular to a rapid angle measuring device suitable for circular lining of a subway. Background Art

[0002] During the construction of the circular lining connecting channel, due to the advancement error of the shield tunneling on the up and down lines, the actual connecting channel structure forms a horizontal angle with the edge line of the circular lining structure. The frozen artificial hole reinforcement also produces a horizontal angle. After the hole is completed, the hole deviation will be checked. The conventional horizontal angle detection method is to use light in conjunction with the theodolite to set up and measure. During the operation, due to the large diameter of the artificial hole, the light cannot be centered in the artificial hole, resulting in a large error and affecting the angle measurement accuracy. Therefore, a rapid angle measurement device suitable for subway circular lining is proposed. Summary of the invention

[0003] The purpose of the utility model is to provide a rapid angle measuring device suitable for circular lining of subways, so as to solve the problem in the conventional horizontal angle detection method proposed in the above background technology that the light cannot be centered in the artificial hole due to the large diameter of the artificial hole, resulting in large errors and affecting the angle measurement accuracy.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid angle measurement device suitable for circular lining of subway, comprising a forced centering tube, a laser module is installed in the forced centering tube, a center hole is opened on one side of the forced centering tube, and a plurality of positioning guide wheels are evenly installed on the outside of the forced centering tube.

[0005] As a further preferred embodiment of the technical solution: the laser module installed inside the forced centering tube is protected, and multiple positioning guide wheels installed thereon are supported. The laser module is arranged to emit laser, and the laser is directly irradiated onto the circular lining structure through the center hole for two-point orientation. At this time, the installed positioning guide wheels can realize the forced centering tube sliding in the tube of the artificial pore-making device.

[0006] As a further preferred embodiment of the present technical solution: the forced centering tube is a steel tube with a diameter of Ø60 mm. The forced centering tube made of the steel tube can effectively ensure its use strength.

[0007] As a further preferred embodiment of the present technical solution: threads are installed on both sides of the forced centering tube, and the arranged threads are used to seal the bulkhead for waterproofing and can achieve the extension of the same forced centering tube.

[0008] As a further preferred embodiment of the present technical solution: the laser module is powered by a rechargeable battery, and the rechargeable laser module achieves sustainability of use.

[0009] As a further preferred embodiment of the present technical solution: the positioning guide wheel adopts a steel wheel with a height of 6 mm, and the positioning guide wheel made of a steel wheel can effectively ensure its strength in use.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In the utility model, the laser module inside the forced centering tube is protected and the positioning guide wheel installed thereon is received. The laser module emits laser, and the laser is directly irradiated on the circular lining structure through the opened center hole to achieve two-point orientation, so as to concentrate the light beam, and solve the problem that in the traditional detection method, due to the large diameter of the artificial hole-making tube, the light cannot be centered in the artificial hole-making, resulting in large errors and affecting the angle measurement accuracy. At the same time, the installed positioning guide wheel can realize the forced centering tube sliding in the tube of the artificial hole-making device;

[0012] The utility model utilizes threads installed on both sides of the forced centering pipe to seal the bulkhead for waterproofing and can also use the same forced centering pipe for continuous lengthening work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of a rapid angle measuring device suitable for circular lining of subway.

[0014] In the figure: 1. Forced centering tube; 2. Laser module; 3. Center hole; 4. Positioning guide wheel. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Example

[0016] See also Figure 1 The utility model provides a technical solution: a rapid angle measuring device suitable for circular lining of subway, comprising a forced centering tube 1, a laser module 2 is installed in the forced centering tube 1, a center hole 3 is opened on one side of the forced centering tube 1, and two positioning guide wheels 4 are evenly installed on the outer side of the forced centering tube 1.

[0017] In this embodiment, specifically: the forced centering tube 1 is used to protect the laser module 2 installed inside it on the one hand, and to receive a plurality of positioning guide wheels 4 installed thereon on the other hand. The laser module 2 is used to emit laser, and the emitted laser is directly irradiated onto the circular lining structure through the opened center hole 3 to achieve two-point orientation. At the same time, the installed positioning guide wheels 4 enable the forced centering tube 1 to slide inside the tube of the artificial pore-making device.

[0018] In this embodiment, specifically: the forced centering tube 1 is made of a steel tube with a diameter of Ø60 mm. The forced centering tube 1 made of the steel tube can effectively ensure its use strength, thereby enhancing its service life.

[0019] In this embodiment, specifically: threads are installed on both sides of the forced centering tube 1. The arranged threads are used to seal the bulkhead for waterproofing on one hand, and on the other hand, the same forced centering tube 1 can be used for continuous extension.

[0020] In this embodiment, specifically: the power supply mode of the laser module 2 adopts a rechargeable battery, and the rechargeable laser module 2 is used to achieve the sustainability of its use.

[0021] In this embodiment, specifically: the positioning guide wheel 4 adopts a steel wheel with a height of 6 mm. The positioning guide wheel 4 made of a steel wheel can effectively ensure its usage strength, thereby increasing its service life.

[0022] Working principle: When in use, first place the forced centering tube 1 into the tube of the artificial hole-making device, and slide it to the corresponding working position by means of the installed positioning guide wheel 4, and then start the laser module 2 through the external switch. The laser module 2 runs to emit laser, and the laser is directly projected onto the circular lining structure through the opened center hole 3 to achieve two-point orientation. Afterwards, the horizontal angle relative to the lining is quickly calculated based on the difference between the boundary of each ring structure of the circular lining and the projected laser point.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid angle measuring device suitable for circular subway lining, comprising a forced centering tube (1), characterized in that: A laser module (2) is installed in the forced centering tube (1), a center hole (3) is opened on one side of the forced centering tube (1), and a plurality of positioning guide wheels (4) are evenly installed on the outside of the forced centering tube (1).

2. A rapid angle measuring device suitable for circular lining of subway according to claim 1, characterized in that: The forced centering pipe (1) is a steel pipe with a diameter of Ø60 mm.

3. The rapid angle measuring device for circular lining of subway according to claim 1, characterized in that: Threads are installed on both sides of the forced centering tube (1).

4. The rapid angle measuring device for circular subway lining according to claim 1 is characterized in that: The laser module (2) is powered by a rechargeable battery.

5. The rapid angle measuring device for circular subway lining according to claim 1 is characterized in that: The positioning guide wheel (4) is a steel wheel with a height of 6 mm.

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