Simple and convenient long-distance linear pipe jacking measurement device

By combining a laser theodolite with a simple device, the problem of accurately monitoring the position and direction of pipe jacking in long-distance underground pipeline construction was solved, achieving efficient and low-cost construction results.

CN223896815UActive Publication Date: 2026-02-10YCIH NO 2 WATER RESOURCES & HYDROPOWER CONSTR CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520528842.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-10
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

In the construction of long-distance underground pipelines, existing technologies are insufficient to accurately monitor the location, direction, and elevation of the pipe jacking, resulting in low construction quality and efficiency.

Method used

A simple device consisting of a laser theodolite, cross brace, level, and corner ruler is used. Based on the principles of triangulation and laser ranging technology, it provides a straight-line orientation benchmark, monitors pipe jacking deviation in real time, and adjusts the construction direction.

Benefits of technology

It enables precise guidance for pipe jacking construction, simplifies the measurement process, reduces costs, and improves construction quality and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223896815U_ABST
    Figure CN223896815U_ABST
Patent Text Reader

Abstract

The utility model discloses a simple and convenient long-distance linear pipe jacking measurement device, and relates to the technical field of pipeline engineering, in particular to the simple and convenient long-distance linear pipe jacking measurement device which comprises a laser theodolite and a pipe jacking machine head, a transverse supporting rod is in lap joint with the inner wall of the pipe jacking machine head, and a horizontal ruler is in lap joint with the middle of the upper surface of the transverse supporting rod. And a corner ruler is adhered to one side of the horizontal ruler. Laser rays emitted by a laser theodolite provide a linear orientation reference for pipe jacking construction, the height of a laser point needs to be matched with the height of the axis of a pipeline, the direction of the laser point coincides with the central axis of the pipeline, and a device which is composed of a transverse supporting rod, a horizontal ruler and a corner ruler and is used for simply and conveniently receiving laser signals is installed on a pipe jacking machine head. If deviation occurs in the reference direction of the laser beam, the simple device can convert deviation information into a signal, and an operator adjusts the tunneling direction of the pipe jacking machine according to the feedback signal, so that the jacking pipe advances in the linear direction determined by the laser beam.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of pipeline engineering technology, specifically a simple device for measuring long-distance straight pipe jacking. Background Technology

[0002] The simplified measurement device for long-distance straight pipe jacking refers to a series of measurement techniques and construction methods used in underground pipeline construction to accurately jack the pipeline into place over a long distance using a trenchless method along a pre-designed straight trajectory. This technology requires real-time monitoring and control of the position, direction, and elevation of the jacking pipe through precise measurement methods to ensure that the pipeline is jacked according to the design requirements, reduce deviations, and improve construction quality and efficiency. Therefore, a simplified measurement device for long-distance straight pipe jacking is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a simple device for measuring long-distance straight pipe jacking. By setting up a laser theodolite, a horizontal support rod, a level, and a corner ruler, the above-mentioned problems are solved.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a simple device for measuring long-distance straight pipe jacking, including a laser theodolite and a pipe jacking head, wherein a horizontal support rod is attached to the inner wall of the pipe jacking head, a level is attached to the middle of the upper surface of the horizontal support rod, and a corner ruler is attached to one side of the level.

[0005] Preferably, the horizontal support rod is flush with the level and the corner ruler.

[0006] Preferably, the lower surface of the pipe jacking machine head is covered with a pipe jacking guide rail, and the lower surface of the pipe jacking guide rail is fixedly connected with a guide rail bracket.

[0007] Preferably, a support platform is fixedly connected to the lower surface of the laser theodolite by bolts, and a telescopic component is fixedly connected to the lower surface of the support platform.

[0008] Preferably, the telescopic assembly includes an inner rod fixedly connected to the lower surface of the support platform, an outer rod sleeved on the surface of the inner rod, and a plurality of threaded holes on one side of the inner rod, with positioning bolts for fixing the outer rod connected to the internal threads of the threaded holes.

[0009] Preferably, a base plate is fixedly connected to the lower surface of the outer rod, and a reinforcing rib is welded between the base plate and the outer rod.

[0010] This utility model provides a simple device for measuring long-distance straight pipe jacking, which has the following advantages:

[0011] Based on the principles of triangulation and laser ranging technology, a benchmark point is set up at the construction site and a laser theodolite is installed as the starting point and reference point for laser measurement. The laser line emitted by the theodolite provides a straight-line orientation benchmark for pipe jacking construction. The height of the laser point must match the height of the pipe axis, and the direction must coincide with the central axis of the pipe. A simple device for receiving laser signals, consisting of a cross brace, a level, and a corner ruler, is installed on the pipe jacking machine head. When the pipe jacking machine is excavating, if there is a deviation from the benchmark direction of the laser beam, the simple device can convert the deviation information into a signal. The operator adjusts the excavation direction of the pipe jacking machine according to the feedback signal, so that the pipe jacking advances along the straight line direction determined by the laser beam. The device has a simple structure, is small in size, light in weight, low in manufacturing cost, and easy to install and use. The entire process of this device is simple to operate, shortens measurement time, provides intuitive deviations, is easy to maintain, and reduces costs. Attached Figure Description

[0012] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a side view schematic diagram of the structure of the pipe jacking machine head of this utility model;

[0015] Figure 3 This is a bottom view of the structure of the telescopic component of this utility model;

[0016] Figure 4 This is a structural breakdown diagram of the cross brace of this utility model.

[0017] The image shows:

[0018] 1. Laser theodolite; 2. Pipe jacking machine head; 3. Horizontal brace; 4. Level; 5. Corner ruler; 6. Pipe jacking guide rail; 7. Guide rail bracket; 8. Support platform; 9. Inner rod; 10. Outer rod; 11. Positioning bolt; 12. Base plate; 13. Reinforcing rib. Detailed Implementation

[0019] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of this disclosure as detailed in the appended claims.

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment proposes a simple device for measuring long-distance straight pipe jacking, including a laser theodolite 1 and a pipe jacking head 2. A horizontal support rod 3 is attached to the inner wall of the pipe jacking head 2. A horizontal ruler 4 is attached to the middle of the upper surface of the horizontal support rod 3. A corner ruler 5 is attached to one side of the horizontal ruler 4.

[0022] When in use, install the horizontal support rod 3 inside the pipe jacking head 2, and level the horizontal support rod 3 according to the level 4. At the same time, keep the level 4 and the corner ruler 5 in the center of the pipe jacking head 2 during installation to ensure more accurate laser positioning.

[0023] The horizontal support rod 3 is flush with the level ruler 4 and the corner ruler 5.

[0024] The lower surface of the pipe jacking head 2 is covered with a pipe jacking guide rail 6. The lower surface of the pipe jacking guide rail 6 is fixedly connected with a guide rail bracket 7. The guide rail bracket 7 is fixed to the pipe jacking guide rail 6 by bolts and other components. Different heights of guide rail brackets 7 can be installed to adjust the height and angle of the pipe jacking head 2 so that the position of the pipe jacking head 2 conforms to the pushing position.

[0025] The lower surface of the laser theodolite 1 is fixedly connected to a support platform 8 by bolts, and the lower surface of the support platform 8 is fixedly connected to a telescopic component.

[0026] The telescopic assembly includes an inner rod 9 fixedly connected to the lower surface of the support platform 8. An outer rod 10 is sleeved on the surface of the inner rod 9. Multiple threaded holes are opened on one side of the inner rod 9, and positioning bolts 11 for fixing the outer rod 10 are threaded inside the threaded holes.

[0027] The height of the laser theodolite 1 can be controlled by the telescopic component, maintaining the accuracy of the jacking pipe's advancing height and direction.

[0028] A base plate 12 is fixedly connected to the lower surface of the outer rod 10, and a reinforcing rib 13 is welded between the base plate 12 and the outer rod 10.

[0029] Specifically, this simple long-distance straight pipe jacking measurement device operates as follows: Based on the principles of triangulation and laser ranging technology, a benchmark point is set up at the construction site and a laser theodolite is installed as the starting point and reference point for laser measurement. The laser line emitted by the laser theodolite 1 provides a straight orientation benchmark for pipe jacking construction. The height of the laser point must match the height of the pipe axis and the direction must coincide with the central axis of the pipe. A simple device for receiving laser signals, consisting of a cross brace 3, a level 4, and a corner ruler 5, is installed on the pipe jacking machine head 2. When the pipe jacking machine is excavating, if there is a deviation from the benchmark direction of the laser beam, the simple device can convert the deviation information into a signal. The operator adjusts the excavation direction of the pipe jacking machine according to the feedback signal, so that the pipe jacking advances along the straight line direction determined by the laser beam. The device has a simple structure, small size, light weight, low manufacturing cost, and is easy to install and use. The entire process of this device is simple to operate, shortens measurement time, provides intuitive deviations, is easy to maintain, and reduces costs.

[0030] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power. The main controller can be a conventional known device such as a computer for control. The detailed description of known functions and components is omitted in the specific implementation of this disclosure. To ensure the compatibility of the device, the operating methods used are consistent with the parameters of commercially available instruments.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A simple device for long-distance straight pipe jacking measurement, comprising a laser theodolite (1) and a pipe jacking head (2), characterized in that: The inner wall of the pipe jacking head (2) is connected to a horizontal support rod (3), and a horizontal ruler (4) is connected to the middle of the upper surface of the horizontal support rod (3). A corner ruler (5) is attached to one side of the horizontal ruler (4).

2. The simplified device for measuring long-distance straight pipe jacking according to claim 1, characterized in that: The horizontal support rod (3) is flush with the level ruler (4) and the corner ruler (5).

3. The simplified device for measuring long-distance straight pipe jacking according to claim 1, characterized in that: The lower surface of the jacking head (2) is covered with a jacking guide rail (6), and the lower surface of the jacking guide rail (6) is fixedly connected with a guide rail bracket (7).

4. The simplified device for measuring long-distance straight pipe jacking according to claim 1, characterized in that: The lower surface of the laser theodolite (1) is fixedly connected to a support platform (8) by bolts, and the lower surface of the support platform (8) is fixedly connected to a telescopic component.

5. A simple device for measuring long-distance straight pipe jacking according to claim 4, characterized in that: The telescopic assembly includes an inner rod (9) fixedly connected to the lower surface of the support platform (8), an outer rod (10) sleeved on the surface of the inner rod (9), and a plurality of threaded holes are provided on one side of the inner rod (9), with positioning bolts (11) for fixing the outer rod (10) connected to the internal threads of the threaded holes.

6. A simple device for measuring long-distance straight pipe jacking according to claim 5, characterized in that: A base plate (12) is fixedly connected to the lower surface of the outer rod (10), and a reinforcing rib (13) is welded between the base plate (12) and the outer rod (10).