Positioning device for underground pipeline measurement

Abstract

The utility model discloses a positioning device for underground pipeline measurement, which relates to the technical field of underground pipeline measurement and comprises a mounting frame fixedly mounted on the upper side of an inspection well, a lifting mechanism mounted on the upper side of the mounting frame, a mounting plate fixedly connected to the bottom of the lifting mechanism, and a detection seat fixedly connected to the upper side of the mounting plate. A laser range finder is fixedly mounted outside the detection seat, a sliding plate is slidably connected to the inner side of the opening, a toothed plate is fixedly connected to the outside of the sliding plate, a telescopic mechanism is mounted on the inner side of the detection seat, pressure sensors are fixedly connected to the upper side and the lower side of the tail end of the sliding plate, and a range finding mechanism is mounted between the mounting frame and the mounting plate. According to the device, the installation frame above the inspection well and the liftable installation plate in the well are utilized, laser ranging and tape scales are combined, accurate and rapid positioning and measurement of the underground pipeline position are achieved, the upper end face and the lower end face of the pipeline can be simply and conveniently measured without complex equipment, and pipeline caliber and ground height data can be rapidly obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground pipeline measurement technical field, specifically, relate to a positioning device for underground pipeline measurement. BACKGROUND

[0002] In the field of underground pipeline measurement, the traditional method often relies on complex measuring equipment and cumbersome operation steps, which not only increases the measurement time and cost, but also may lead to inaccurate measurement results due to improper operation or equipment precision problems. Especially when measuring underground preset pipelines, it is particularly difficult to measure due to the deep burial of pipelines and the complex surrounding environment.

[0003] Traditional measurement methods may require excavation of part of the ground to expose the pipeline, which not only damages the ground structure, but also may cause damage to the pipeline itself. In addition, some non-contact measurement methods, such as radar detection, although can avoid excavation, but its equipment is expensive, operation is complex, and is greatly affected by geological conditions, the accuracy of measurement results is difficult to guarantee, therefore, in view of the above technical problems, a positioning device for underground pipeline measurement is proposed. SUMMARY

[0004] The utility model aims at providing a positioning device for underground pipeline measurement, which utilizes the mounting rack above the inspection well and the liftable mounting plate inside the well, and combines laser ranging and tape scale, to realize accurate and rapid positioning and measurement of underground pipeline position. Moreover, through the steel cable driven by the motor and the integrated pressure sensor, the pipeline upper and lower end surfaces can be simply measured without complex equipment, the pipeline diameter and ground height data can be quickly obtained, the operation is convenient and the measurement is accurate.

[0005] The utility model realizes the following technical scheme:

[0006] A positioning device for underground pipeline measurement, comprising a mounting rack fixedly installed on the upper side of an inspection well, wherein a preset pipeline is buried underground and passes through the inspection well, a lifting mechanism is installed on the upper side of the mounting rack, a mounting plate is fixedly connected to the bottom of the lifting mechanism, a detection seat is fixedly connected to the upper side of the mounting plate, and the detection seat is installed symmetrically left and right, a laser range finder is fixedly installed on the outside of the detection seat, an opening is formed on one side of the detection seat, a sliding plate is slidably connected to the inside of the opening, a toothed plate is fixedly connected to the outside of the sliding plate, a telescopic mechanism is installed on the inside of the detection seat, a pressure sensor is fixedly connected to the upper side and the lower side of the distal end of the sliding plate, and a ranging mechanism is installed between the mounting rack and the mounting plate.

[0007] Preferably, the lifting mechanism comprises vertical plates, a first motor, a rotating rod and a steel cable, the vertical plates are fixedly connected to the upper side of the mounting frame, the number of the vertical plates is two groups and they are symmetrically arranged, and the first motor is fixedly connected to the outside of one of the vertical plates.

[0008] Preferably, the rotating rod is rotatably connected between the two groups of vertical plates, and the rotating rod is fixedly connected to the first motor, the steel cable is wound around and fixedly connected to the outside of the rotating rod, and the end of the steel cable is fixedly connected to the upper side of the mounting plate.

[0009] Preferably, the mounting plate is made of metal material.

[0010] Preferably, the laser range finder and the opening are installed on the side close to the preset pipeline.

[0011] Preferably, the telescopic mechanism comprises a second motor and a rotating shaft, the rotating shaft is rotatably connected to the inner side of the detection seat, the gear is fixedly connected to the outside of the rotating shaft, and the gear is engaged with the toothed plate.

[0012] Preferably, the second motor is fixedly connected to the outside of the detection seat, and the rotating shaft is fixedly connected to the second motor.

[0013] Preferably, the distance measuring mechanism comprises a tape measure and a clamping plate, the tape measure is fixedly connected to one side of the mounting frame, the clamping plate is fixedly connected to the upper side of the mounting plate, and the hook at the end of the tape measure is hung with the clamping plate.

[0014] The technical scheme of the utility model has at least the following beneficial effects:

[0015] The positioning device for underground pipeline measurement provided by the utility model is designed by combining the stable mounting frame above and the flexible and liftable mounting plate in the well, and integrates laser ranging technology and pressure sensing function, so that the purpose of quickly and accurately positioning the position of the underground pipeline is achieved. The device effectively avoids the dependence on complex equipment and cumbersome steps in the traditional measurement method, significantly reduces the measurement cost, and greatly improves the measurement efficiency and accuracy. By providing accurate and reliable measurement data, the maintenance and management of the underground pipeline are facilitated. ACCURATE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is Figure 1 It is an enlarged view of A;

[0018] Figure 3 It is a partial structure of the utility model;

[0019] Figure 4 For Figure 3 Enlarged view of middle B;

[0020] Figure 5 For Figure 1 Enlarged view of middle C;

[0021] Reference signs: 1, inspection well; 2, preset pipeline; 3, mounting frame; 4, vertical plate; 5, first motor; 6, rotating rod; 7, steel cable; 8, mounting plate; 9, detection seat; 10, laser range finder; 11, second motor; 12, rotating shaft; 13, gear; 14, opening; 15, sliding plate; 16, toothed plate; 17, pressure sensor; 18, tape measure; 19, clamping plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a positioning device for underground pipeline measurement, including fixed installation in the mounting frame 3 of the upper side of the inspection well 1, the underground is provided with preset pipeline 2, and the preset pipeline 2 passes through the inspection well 1, the upper side of mounting frame 3 is installed with lifting mechanism, the bottom of lifting mechanism is fixedly connected with mounting plate 8, the upper side of mounting plate 8 is fixedly connected with detection seat 9, and detection seat 9 is symmetrically installed, and the outside of detection seat 9 is fixedly installed with laser range finder 10, one side of detection seat 9 is provided with opening 14, the inner side of opening 14 is slidably connected with sliding plate 15, and the outside of sliding plate 15 is fixedly connected with toothed plate 16, and the inner side of detection seat 9 is installed with telescopic mechanism, and the upper side and the lower side of the end of sliding plate 15 are fixedly connected with pressure sensor 17, and the mounting frame 3 is installed with ranging mechanism between mounting plate 8.

[0024] Lifting mechanism includes vertical plate 4, first motor 5, rotating rod 6 and steel cable 7, vertical plate 4 is fixedly connected to the upper side of mounting frame 3, and the number of vertical plate 4 is two groups and is symmetrically arranged to provide stable support structure, and first motor 5 is fixedly connected to the outside of one of vertical plate 4.

[0025] Rotating rod 6 is rotatably connected between the two groups of vertical plate 4, and rotating rod 6 is fixedly connected between first motor 5 to realize power transmission, and steel cable 7 is wound and fixedly connected to the outside of rotating rod 6, and steel cable 7 can be stably wound or released by the driving of first motor 5 to realize the lifting of mounting plate 8.

[0026] The mounting plate 8 is made of metal material, has good strength and durability, can bear various stresses in the measuring process, meanwhile, the metal mounting plate 8 can smoothly drive the tape 18 to be pulled out, and can provide sufficient pressure for the pressure sensor 17 when measuring the lower end surface of the preset pipeline 2.

[0027] The laser range finder 10 and the opening 14 are installed on the side close to the preset pipeline 2, which ensures the accuracy and pertinence of the measurement data.

[0028] The telescopic mechanism comprises the second motor 11 and the rotating shaft 12, the rotating shaft 12 is rotatably connected to the inner side of the detection seat 9, the gear 13 is fixedly connected to the outer side of the rotating shaft 12, and the gear 13 is engaged with the toothed plate 16, through the driving of the second motor 11, the gear 13 can drive the toothed plate 16 and the connected sliding plate 15 to perform the telescopic movement.

[0029] The second motor 11 is fixedly connected to the outer side of the detection seat 9, and the rotating shaft 12 is fixedly connected with the second motor 11, which ensures the stable transmission of power.

[0030] The distance measuring mechanism comprises the tape 18 and the clamping plate 19, the tape 18 is fixedly connected to one side of the mounting frame 3, the clamping plate 19 is fixedly connected to the upper side of the mounting plate 8, and the hook at the tail end of the tape 18 is hung with the clamping plate 19, through the reading of the tape 18, the height information of the lifting of the mounting plate 8 can be directly obtained, which provides the basis for the determination of the pipeline position.

[0031] The working principle of the positioning device for underground pipeline measurement based on the embodiment is that, when measuring the underground preset pipeline 2, first, the mounting frame 3 is arranged above the inspection well 1, the mounting plate 8 is placed into the inspection well 1, the free end hook of the tape 18 is hung with the clamping plate 19, then the laser range finder 10 is operated to measure the distance, next, the first motor 5 is operated to rotate the rotating rod 6, so that the steel cable is released, and the mounting plate 8 is lowered into the inspection well 1, during the lowering of the mounting plate 8, the laser range finder 10 detects the distance between the seat 9 and the side wall of the inspection well 1 at all times, if the distance measured by the laser range finder 10 changes greatly, it is determined that the mounting plate 8 has moved to the position of the preset pipeline 2, at this time, the second motor 11 is operated to rotate the rotating shaft 12 and the gear 13, because of the meshing relationship between the gear 13 and the toothed plate 16, the sliding plate 15 slides out of the opening 14 and extends into the space of the preset pipeline 2 in the inspection well wall, then the first motor 5 is reversed to drive the mounting plate 8 to ascend, the sliding plate 15 abuts against the upper end surface of the preset pipeline 2, the pressure sensor 17 senses the pressure, at this time, the operation of the first motor 5 is stopped, the scale shown by the tape 18 is read, and the height of the upper end surface of the preset pipeline 2 from the ground is obtained, then the first motor 5 is operated again to release the steel cable 7 and drive the mounting plate 8 to continue to descend until the pressure sensor 17 at the bottom of the sliding plate 15 senses the pressure, the operation of the first motor 5 is stopped again, at this time, the scale shown by the tape 18 is the height of the lower end surface of the underground pipeline from the ground, at this time, the diameter of the preset pipeline 2 and the height of the axis from the ground are obtained through the data read twice, through simple positioning and sensing of the sensor, the measurement of the related data of the preset pipeline 2 is quickly and accurately performed, and the measurement is convenient without using complex instruments.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning device for measuring underground pipelines, characterized in that: The system includes a mounting frame (3) fixedly installed on the upper side of the inspection well (1), a pre-buried underground pipeline (2) passing through the inspection well (1), a lifting mechanism installed on the upper side of the mounting frame (3), a mounting plate (8) fixedly connected to the bottom of the lifting mechanism, a detection seat (9) fixedly connected to the upper side of the mounting plate (8), and the detection seat (9) is installed symmetrically on the left and right sides. A laser rangefinder (10) is fixedly installed on the outside of the detection seat (9). An opening (14) is opened on one side of the detection seat (9), a sliding plate (15) is slidably connected to the inside of the opening (14), a toothed plate (16) is fixedly connected to the outside of the sliding plate (15), a telescopic mechanism is installed on the inside of the detection seat (9), and pressure sensors (17) are fixedly connected to the upper and lower ends of the sliding plate (15). A distance measuring mechanism is installed between the mounting frame (3) and the mounting plate (8).

2. The positioning device for underground pipeline measurement according to claim 1, characterized in that: The lifting mechanism includes a vertical plate (4), a first motor (5), a rotating rod (6), and a steel cable (7). The vertical plate (4) is fixedly connected to the upper side of the mounting frame (3), and there are two sets of vertical plates (4) arranged symmetrically. The first motor (5) is fixedly connected to the outside of one set of vertical plates (4).

3. The positioning device for underground pipeline measurement according to claim 2, characterized in that: The rotating rod (6) is rotatably connected between the two sets of the upright plates (4), and the rotating rod (6) is fixedly connected to the first motor (5). The steel cable (7) is wound and fixedly connected to the outside of the rotating rod (6), and the end of the steel cable (7) is fixedly connected to the upper side of the mounting plate (8).

4. The positioning device for underground pipeline measurement according to claim 1, characterized in that: The mounting plate (8) is made of metal.

5. A positioning device for underground pipeline measurement according to claim 1, characterized in that: The laser rangefinder (10) and the opening (14) are both installed on the side close to the preset pipeline (2).

6. A positioning device for underground pipeline measurement according to claim 1, characterized in that: The telescopic mechanism includes a second motor (11), a gear (13) and a rotating shaft (12). The rotating shaft (12) is rotatably connected to the inner side of the detection seat (9). The gear (13) is fixedly connected to the outside of the rotating shaft (12), and the gear (13) meshes with the toothed plate (16).

7. A positioning device for underground pipeline measurement according to claim 6, characterized in that: The detection seat (9) is externally fixedly connected to a second motor (11), and the rotating shaft (12) is fixedly connected to the second motor (11).

8. A positioning device for underground pipeline measurement according to claim 1, characterized in that: The ranging mechanism includes a measuring tape (18) and a clamping plate (19). The measuring tape (18) is fixedly connected to one side of the mounting frame (3), and the clamping plate (19) is fixedly connected to the upper side of the mounting plate (8). The hook at the end of the measuring tape (18) is connected to the clamping plate (19).

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