CN219608038U - Tunnel measurement lofting appurtenance - Google Patents
Tunnel measurement lofting appurtenance Download PDFInfo
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- CN219608038U CN219608038U CN202320410735.6U CN202320410735U CN219608038U CN 219608038 U CN219608038 U CN 219608038U CN 202320410735 U CN202320410735 U CN 202320410735U CN 219608038 U CN219608038 U CN 219608038U
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- measuring
- lofting
- measuring plate
- tunnel
- sampling point
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Abstract
The utility model belongs to the technical field of tunnel construction, and discloses a tunnel measurement lofting auxiliary tool which comprises a measuring plate, a positioning nail and a telescopic component. One side of the measuring plate is provided with a sampling point for measuring a lofting sampling point, the locating nail is fixedly connected to the other side of the measuring plate, the sampling point is located on the axis of the locating nail, the length of the telescopic assembly is adjustable, and the measuring plate is arranged at one end of the telescopic assembly. According to the utility model, the sampling point is directly used for sampling, so that the problems that effective data cannot be acquired in special geology such as rocks with moist surfaces or soft soil and the like to skip sampling positions and the like can be avoided, in the process of measuring, lofting and sampling by equipment, the position calibration can be carried out on the tunnel surface corresponding to the positioning nails through tools such as paint pens and the like, so that the error caused by manual measuring distance is avoided, the precision is improved, and the application range of the auxiliary tool for tunnel measuring lofting is further enlarged due to the adjustable length of the telescopic assembly.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a tunnel measurement lofting auxiliary tool.
Background
Tunnel face refers to an excavation face in an underground or mining project. In tunnel construction, the measurement lofting of tunnel face excavation line has the vital effect to the whole construction progress of tunnel and construction quality. In the prior art, a total station laser prism-free measuring method is often used for measuring and lofting the excavation line of the face. However, in a more complex tunnel environment, because of various rock types of the tunnel face, the laser prism-free measurement cannot acquire effective data for special geology such as rocks with moist surfaces and soft soil, and the common practice is to skip points at the points or the dotter to use finger pad pressure, or search auxiliary points which can acquire data near the points to carry out measurement lofting, and then use a tape measure to carry out measuring distance dotting calibration. The method is complex in operation, low in efficiency and large in error, and can influence the measurement lofting precision, so that the integral construction of the tunnel is influenced.
Disclosure of Invention
The utility model aims to provide a tunnel measurement lofting auxiliary tool, which realizes effective point taking of tunnel measurement lofting, can avoid errors caused by manual measuring distance, improves the precision of measurement lofting, improves the tunnel operation efficiency, and can meet the point taking demands of different heights.
To achieve the purpose, the utility model adopts the following technical scheme:
tunnel measurement lofting appurtenance, wherein includes:
the measuring plate is provided with a sampling point at one side for measuring the lofting sampling point;
the positioning nail is fixedly connected to the other side of the measuring plate, and the sampling point is positioned on the axis of the positioning nail;
the length of the telescopic component is adjustable, and the measuring plate is arranged at one end of the telescopic component.
Optionally, the telescopic assembly comprises an adjusting rod and a handheld rod, the length of the adjusting rod is adjustable, and the measuring plate and the handheld rod are respectively arranged at two ends of the adjusting rod.
Alternatively, the hand-held rod and the measuring plate are fixedly connected to the adjusting rod in a welding mode.
Optionally, the measuring board is provided with a reflective patch, the reflective patch is provided with an adhesion surface and a reflective surface, the reflective patch is adhered to the measuring board through the adhesion surface, and the sampling point is arranged on the reflective surface.
Optionally, the reflecting surface is provided with a cross mark, and the sampling point is located at an intersection point of the cross mark.
Optionally, an auxiliary mark is further arranged on the reflecting surface, the auxiliary mark is circular, and the center of the auxiliary mark is located on the intersection point of the cross mark.
Optionally, the sampling point is located on a central axis of the measurement plate.
Optionally, wherein the locating pegs are disposed perpendicular to the measurement plate.
Optionally, the telescopic assembly is arranged perpendicular to the positioning nail.
Alternatively, the measuring plate is provided as a square plate.
The utility model has the beneficial effects that:
when the total station in the utility model performs measurement lofting in the tunnel, the sampling points on the measuring plate in the auxiliary tool for tunnel measurement lofting are directly taken, so that the problems that effective data cannot be obtained from the special geology such as rocks with moist surfaces or soft soil, and the like, and sampling positions are skipped can be avoided. Further, the locating nail is arranged on the other side of the measuring plate, the sampling point is located on the axis of the locating nail, so that in the process of measuring lofting and sampling points by the equipment, the position of each sampling point can be marked by means of tools such as a paint pen and the like on the surface of a tunnel corresponding to the locating nail, the position of each sampling point is recorded and marked, the operation of measuring tape distance by using auxiliary points in the prior art is avoided, the error caused by manual measuring distance is avoided, the precision of measuring lofting is improved, and the tunnel operation efficiency is improved. Further, the measuring plate is arranged on the telescopic component with adjustable length, so that the height of the measuring plate can be conveniently adjusted in real time by operators to finish the measurement of the target point position, the operation is simple and convenient, and the application range of the tunnel measurement lofting auxiliary tool is enlarged.
Drawings
FIG. 1 is a first isometric view of a tunneling tool setting-out aid according to an embodiment of the present utility model;
FIG. 2 is a second isometric view of a tunneling tool according to an embodiment of the present utility model;
fig. 3 is a front view of a tunneling tool according to an embodiment of the present utility model.
In the figure:
10-measuring plate; 20-positioning nails; 30-telescoping assembly;
11-a reflective patch; 31-adjusting the rod; 32-a hand-held wand.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In tunnel construction, the measurement lofting of tunnel face excavation line has the vital effect to the whole construction progress of tunnel and construction quality. In the prior art, a total station laser prism-free measuring method is often used for measuring and lofting the excavation line of the face. However, in a more complex tunnel environment, because of various rock types of the tunnel face, the laser prism-free measurement cannot acquire effective data for special geology such as rocks with moist surfaces and soft soil, and the common practice is to skip points at the points or the dotter to use finger pad pressure, or search auxiliary points which can acquire data near the points to carry out measurement lofting, and then use a tape measure to carry out measuring distance dotting calibration. The method is complex in operation, low in efficiency and large in error, and can influence the measurement lofting precision, so that the integral construction of the tunnel is influenced.
The technical solution of the present embodiment is further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-3, the present embodiment provides a tunnel measurement lofting aid, including a measurement plate 10, a dowel 20, and a telescoping assembly 30. In this embodiment, a sampling point is disposed on one side of the measurement board 10 for measuring a lofting sampling point, the positioning nail 20 is fixedly connected to the other side of the measurement board 10, the sampling point is located on the axis of the positioning nail 20, the length of the telescopic component 30 is adjustable, and the measurement board 10 is disposed at one end of the telescopic component 30.
Specifically, when the total station in this embodiment performs measurement lofting in the tunnel, the sampling points on the measurement board 10 in the auxiliary tool for tunnel measurement lofting are directly taken, so that the problems that effective data cannot be obtained from the sampling points in special geology such as rocks with moist surfaces or loose soil, and the sampling positions are skipped can be avoided. Further, the locating nail 20 is arranged on the other side of the measuring plate 10, and the sampling point is located on the axis of the locating nail 20, so that in the process of measuring lofting and sampling points by equipment, the position of each sampling point can be calibrated through tools such as paint pens and the like on the surface of a tunnel corresponding to the locating nail 20, the position of each sampling point is recorded and marked, the operation of measuring tape distance by using auxiliary points in the prior art is avoided, the error caused by manual measuring distance is avoided, the precision of measuring lofting is improved, and the tunnel operation efficiency is improved. Further, the measuring plate 10 is arranged on the telescopic component 30 with adjustable length, so that the height of the measuring plate 10 can be conveniently adjusted in real time by operators to finish the measurement of the target point position, and the operation is simple and convenient, thereby expanding the application range of the tunnel measurement lofting auxiliary tool.
The specific structure of the tunnel measurement lofting assist tool in this embodiment will be described below.
As shown in fig. 1-3, the auxiliary tool for tunnel measurement lofting in this embodiment includes a measuring plate 10, a positioning pin 20, and a telescopic component 30, where the measuring plate 10 is provided with a reflective sticker 11, and the telescopic component 30 includes an adjusting rod 31 and a hand-held rod 32. Specifically, as shown in fig. 3, in the present embodiment, the measuring board 10 is configured as a square board, the reflective patch 11 is also configured as a square patch, and the size of the reflective patch 11 is adapted to the size of the measuring board 10, so that the reflective patch 11 can cover the measuring board 10. Optionally, a sampling point is provided on one side of the measurement board 10 for the total station to measure loft sampling points in the tunnel, so as to avoid the problem that the sampling points cannot be directly sampled in some special geology.
Optionally, the reflective patch 11 is provided with an adhesion surface and a reflective surface, and the reflective patch 11 is adhered to the measuring board 10 through the adhesion surface, so that tight connection between the reflective patch 11 and the measuring board 10 is ensured, falling off of the reflective patch 11 in a using process is avoided, and meanwhile, the reflective patch 11 can be periodically replaced, so that effective use of the tunnel measurement lofting auxiliary tool is ensured. Further, the sampling point is arranged on the reflecting surface, and the total station completes data acquisition under the action of the reflecting surface by dotting the laser of the sampling point.
Specifically, as shown in fig. 3, the cross mark and the auxiliary mark are arranged on the reflecting surface, the auxiliary mark is circular, and the center of the auxiliary mark is located on the intersection point of the cross mark, so that the position of the cross mark can be quickly found through the arrangement of the auxiliary mark. Optionally, a plurality of auxiliary marks with different radiuses and same circle center can be arranged, so that the confirmation efficiency of the position of the cross mark is improved. Further, the sampling point is located on the intersection point of the cross mark, so that the quick dotting of the total station is realized, and the lofting efficiency is improved.
Alternatively, the sampling point in this embodiment is located on the central axis of the measuring plate 10, i.e. the intersection point of the cross mark on the reflective patch 11 is located on the central axis of the measuring plate 10. Further, in the present embodiment, the positioning nail 20 is fixedly connected to the side of the measuring plate 10 far away from the reflective patch 11, and the sampling point is located on the axis of the positioning nail 20, i.e. the intersection point of the cross mark is located on the axis of the positioning nail 20, so that the positioning nail 20 is fixedly connected to the center of the measuring plate 10, to ensure that the stress of the measuring plate 10 is stable, and the measuring plate 10 is not easy to deviate in the process of measuring lofting. Further, the locating nail 20 is perpendicular to the measuring plate 10, so that when the measuring plate 10 is placed in parallel with the plane where the sample to be measured is located, accurate position calibration can be conducted on the surface of the tunnel corresponding to the locating nail 20 through tools such as a paint pen, recording marks of each point taking position are achieved, the operation of measuring tape distance by utilizing auxiliary point positions in the prior art is avoided, errors caused by manual measuring distance are avoided, measuring lofting accuracy is improved, and tunnel operation efficiency is improved.
As shown in fig. 1 and 2, in this embodiment, the measuring plate 10 is disposed at one end of the telescopic component 30, and the telescopic component 30 is disposed perpendicular to the positioning pins 20, so that the position of the positioning pins 20 can be calibrated more accurately when the measuring plate 10 performs the operation of measuring lofting and taking a point, so as to avoid overlarge calibration deviation. Further, the length of the telescopic component 30 is adjustable, so that an operator can adjust the height of the measuring plate 10 in real time to finish the measurement of the target point position, the operation is simple and convenient, and the application range of the tunnel measurement lofting auxiliary tool can be enlarged.
Specifically, the telescopic assembly 30 includes an adjusting lever 31 and a hand-held lever 32, the length of the adjusting lever 31 is adjustable, and the measuring plate 10 and the hand-held lever 32 are respectively disposed at both ends of the adjusting lever 31. Illustratively, the adjusting rod 31 may be a length adjustment by two threaded long rods, or may be a length adjustment by two sleeved long rods and a locking member is provided, which is not limited herein. Further, in the present embodiment, the hand-held rod 32 and the measuring plate 10 are fixedly connected to the adjusting rod 31 by welding, so as to ensure the stability of the auxiliary tool for tunnel measurement and lofting during use. In other embodiments, the hand-held lever 32 and the measuring plate 10 may be detachably connected to the adjusting lever 31, which is convenient for storage and maintenance. In particular, the handle bar 32 is configured in a bar-shaped configuration, and in other embodiments the handle bar 32 may be configured in other configurations for ease of gripping.
The following is a manufacturing method and a using method of the auxiliary tool for tunnel measurement lofting in this embodiment:
firstly, setting a positioning nail 20 perpendicular to a measuring plate 10 according to a design drawing, and fixedly connecting one end of the positioning nail 20 to the center of the measuring plate 10 in a welding manner; then, one end of the adjusting rod 31 is fixedly connected to one side of the measuring plate 10, to which the positioning nail 20 is connected, in a welding manner; then, the hand-held rod 32 is fixedly connected to the other end of the adjusting rod 31 in a welding manner; then, attaching the reflective patch 11 to the measuring plate 10 such that the intersection point of the cross mark on the reflective patch 11 is located on the axis of the positioning nail 20; finally, the operator holds the hand-held rod 32 to cooperate with the total station laser prism-free measuring and lofting operation.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Tunnel measurement lofting appurtenance, its characterized in that includes:
a measuring plate (10), wherein one side of the measuring plate (10) is provided with a sampling point for measuring a lofting sampling point;
the positioning nail (20) is fixedly connected to the other side of the measuring plate (10), and the sampling point is positioned on the axis of the positioning nail (20);
the length of the telescopic assembly (30) is adjustable, and the measuring plate (10) is arranged at one end of the telescopic assembly (30).
2. The tunnel measurement lofting appurtenance according to claim 1, wherein the telescopic assembly (30) comprises an adjusting rod (31) and a handheld rod (32), the length of the adjusting rod (31) is adjustable, and the measuring plate (10) and the handheld rod (32) are respectively arranged at two ends of the adjusting rod (31).
3. Tunnel measurement lofting aid according to claim 2, characterized in that the hand-held bar (32) and the measuring plate (10) are fixedly connected to the adjusting bar (31) by means of welding.
4. The tunnel measurement lofting appurtenance according to claim 1, wherein a reflective patch (11) is provided on the measurement board (10), the reflective patch (11) is provided with an adhesion surface and a reflective surface, the reflective patch (11) is adhered to the measurement board (10) through the adhesion surface, and the sampling point is provided on the reflective surface.
5. The tool according to claim 4, wherein the reflecting surface is provided with a cross mark, and the sampling point is located at an intersection point of the cross mark.
6. The tunnel measurement lofting aid tool according to claim 5, wherein an auxiliary mark is further arranged on the reflecting surface, the auxiliary mark is circular, and a circle center of the auxiliary mark is located on an intersection point of the cross marks.
7. Tunnel measurement loft aid according to any one of claims 1-6, wherein the sampling point is located on the central axis of the measuring plate (10).
8. Tunnel measurement loft aid according to any one of claims 1-6, wherein the dowel (20) is arranged perpendicular to the measuring plate (10).
9. The tunneling survey loft assist tool of any of claims 1-6, wherein the telescoping assembly (30) is disposed perpendicular to the dowel (20).
10. Tunnel measurement loft aid according to any one of claims 1-6, wherein the measuring plate (10) is provided as a square plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320410735.6U CN219608038U (en) | 2023-03-07 | 2023-03-07 | Tunnel measurement lofting appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320410735.6U CN219608038U (en) | 2023-03-07 | 2023-03-07 | Tunnel measurement lofting appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608038U true CN219608038U (en) | 2023-08-29 |
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ID=87747206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320410735.6U Active CN219608038U (en) | 2023-03-07 | 2023-03-07 | Tunnel measurement lofting appurtenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608038U (en) |
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2023
- 2023-03-07 CN CN202320410735.6U patent/CN219608038U/en active Active
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