Device for measuring depth of underground gas pipeline

Abstract

The invention discloses a device for measuring the depth of an underground gas pipeline, and particularly relates to the technical field of gas pipeline measurement, the device comprises a device base, a receiver for measurement is arranged in the middle of the device base, a positioning mechanism is arranged between the device base and the receiver for measurement, and moving mechanisms are arranged at four corners of the device base. According to the long-distance underground gas pipeline depth measurement device, the whole device base is driven to move by arranging the device base and cooperatively using the moving mechanism, so that the measurement receiver is controlled to carry out auxiliary movement to carry out long-distance underground gas pipeline depth measurement, the measurement receiver does not need to be manually held to move, and the measurement precision is improved. The device is simple in structure and labor-saving, the moving direction of the device base can be flexibly changed, horizontal movement of the device base is facilitated, the device base assists in driving the measuring receiver to horizontally move, the measuring receiver is subjected to micro-distance adjustment in the horizontal direction, and the efficiency of depth measurement of the underground gas pipeline is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of gas pipeline measurement, in particular to a device for measuring the depth of an underground gas pipeline. Background Art

[0002] With the progress of society, more and more gas pipelines are laid underground. In order to ensure the safety and compliance of gas pipelines and to detect possible risks in advance, it is necessary to use measuring devices to accurately measure the buried depth of underground gas pipelines. This is especially important during construction, maintenance or inspection to ensure safety and compliance.

[0003] Traditionally, the depth measurement of underground gas pipelines is mostly carried out using direct connection measuring equipment. During the measurement, it is necessary to manually hold a handheld receiver suspended on the ground to measure the underground gas pipeline, and the position of the receiver needs to be adjusted back and forth during the measurement, which is quite laborious. Secondly, during the measurement, it is necessary to manually assist in marking the location, direction and depth of the gas pipeline on the ground, and the functionality is general. Therefore, we propose a device for measuring the depth of underground gas pipelines to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a device for measuring the depth of an underground gas pipeline to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a device for measuring the depth of an underground gas pipeline, comprising a device base, a measuring receiver is provided in the middle of the device base, a positioning mechanism is provided between the device base and the measuring receiver, a moving mechanism is provided at the four corners of the device base, and an auxiliary mechanism is fixedly installed in the middle of one side of the device base; The moving mechanism includes two groups of symmetrically distributed rotating bearings, and the rotating bearings are respectively fixedly clamped at the four corners of the corresponding device base. A buffer sleeve is fixedly clamped in the middle of the rotating bearing, and a buffer clamping column is slidably clamped in the middle of the bottom end of the buffer sleeve. A sliding disk is fixedly installed on the top of the buffer clamping column, and the sliding disk is movably clamped in the corresponding buffer sleeve. A buffer is fixedly installed on the top of the sliding disk, and a wheel seat is fixedly installed on the bottom end of the buffer clamping column, and a moving wheel is rotatably installed on the bottom of the wheel seat.

[0006] Preferably, a first motor is fixedly mounted on two wheel seats at a position away from one side of the auxiliary mechanism, a driving end of the first motor and an axial end of the corresponding moving wheel are fixedly mounted, a first cover is fixedly mounted on a side of the wheel seat close to the first motor, and the first motor is located in the corresponding first cover.

[0007] Preferably, a transmission sprocket is fixedly mounted on the top of each of the buffer sleeves, and a plurality of transmission sprockets are meshingly connected to the outer sides thereof with transmission chains.

[0008] Preferably, a second cover is fixedly installed on the top of the device base, the transmission sprocket and the transmission chain are located in the second cover, a second motor is fixedly installed on a corner of the top of the second cover, and the driving end of the second motor and the top of one of the buffer sleeves are fixedly installed.

[0009] Preferably, the auxiliary mechanism includes a first cross seat, which is fixedly mounted on the middle part of the side end of the device base, and two lifting cylinders are fixedly mounted on the first cross seat, and an auxiliary cross plate is fixedly mounted on the driving end of the lifting cylinder, and a first nozzle is provided on the side of the bottom end of the auxiliary cross plate close to the device base, and a marking component is provided on the side of the bottom end of the auxiliary cross plate away from the device base.

[0010] Preferably, the marking assembly includes two symmetrically distributed marking members, and the marking members include two symmetrically distributed rotating seats, the marking members are fixedly mounted on the side of the bottom end of the auxiliary cross plate away from the device base through the rotating seat, the bottom rotating clamp of the rotating seat is provided with a driving ring, a rotating outer cylinder is fixedly mounted between the two driving rings, the outer side of the rotating outer cylinder is provided with ten mounting slots distributed in a circular array, and digital templates are removably mounted in the mounting slots, a buffer spray is movablely mounted on the middle part of the rotating outer cylinder, a wide-surface spray head is vertically mounted on the bottom of the buffer spray, one end of the buffer spray extends out of the outer side of the rotating outer cylinder and is fixedly mounted with a connecting elbow, a driven gear ring is fixedly mounted on the end of the driving ring near one side of the connecting elbow, a third motor is fixedly mounted on the inner side of the rotating seat, a driving gear is fixedly mounted on the driving end of the third motor, and the driving gear and the driven gear ring are meshingly connected.

[0011] Preferably, the buffer nozzle in the two marking members is fixedly installed at one end away from the connecting elbow.

[0012] Preferably, an L-shaped fluid guide tube is fixedly provided on one side of the auxiliary cross plate close to the device base, the bottom end of the L-shaped fluid guide tube extends out of the bottom end of the device base, the bottom end of the L-shaped fluid guide tube and the end of the first nozzle are fixedly installed, a fluid guide main pipe is provided on the top of the marking assembly, the fluid guide main pipe is fixedly connected to the top of the rotating seat, two fluid guide branch pipes are fixedly installed on the bottom of the fluid guide main pipe, and the bottom ends of the fluid guide branch pipes are fixedly installed to the top ends of the corresponding connecting elbows.

[0013] Preferably, a first valve is fixedly installed at one end of the L-shaped fluid guiding pipe away from the first nozzle, a second valve is fixedly installed at the end of the fluid guiding main pipe, and a connecting main pipe is fixedly installed between the first valve and the second valve.

[0014] Preferably, the positioning mechanism includes a positioning sleeve frame, which is fixedly installed on the outer side of the measuring receiver, and an installation slot is provided in the middle of the device base, and the bottom of the measuring receiver movably passes through the installation slot, and the lower surface of the positioning sleeve frame contacts the upper surface of the device base, and the positioning sleeve frame is movably clamped in the middle of the second cover, and horizontal sliding slots are provided on both sides of the positioning sleeve frame, and a horizontal sliding column is slidably clamped in the horizontal sliding slot, and a horizontal sliding shaft is vertically installed in the middle of one side of the horizontal sliding column, and the horizontal sliding shaft is movably clamped in the inner side of the horizontal sliding slot, and a spring is movably sleeved on the outer side of the horizontal sliding shaft, and a fixed clamping column is vertically installed on the side of the bottom of the horizontal sliding column away from the horizontal sliding shaft, and a positioning slot corresponding to the horizontal sliding column is provided on the device base, and a fixed clamping slot corresponding to the fixed clamping column is provided on the inner wall of the positioning slot, and the fixed clamping column is movably clamped in the fixed clamping slot.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up the device base and using the moving mechanism, the entire device base is driven to move, so as to control the measuring receiver to perform auxiliary movement to measure the depth of long-distance underground gas pipelines. There is no need to manually hold the measuring receiver to move, which saves effort and can flexibly change the moving direction of the device base, so that the device base can move horizontally, and the measuring receiver can be driven to move horizontally to make the measuring receiver adjust the micro distance in the horizontal direction, thereby further improving the efficiency of underground gas pipeline depth measurement.

[0016] 2. With the use of auxiliary mechanisms, the location of underground gas pipelines can be automatically assisted in marking, and the specific depth value of the underground gas pipelines can be automatically assisted in spraying on the ground, which increases the functionality of the entire device and further improves the use effect of the entire device.

[0017] 3. By setting a positioning mechanism, the positioning sleeve frame is fixed, and then the measuring receiver is fixed in a limited position, and it is convenient for the subsequent rapid disassembly and maintenance of the measuring receiver. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the present invention.

[0020] Figure 2It is a schematic diagram of the structural connection of the device base, the measuring receiver and the positioning mechanism in the present invention.

[0021] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle.

[0022] Figure 4 It is a schematic diagram of the structural connection between the device base and the moving mechanism in the present invention.

[0023] Figure 5 For the present invention Figure 4 Enlarged view of point B in the middle.

[0024] Figure 6 This is a schematic diagram of the structural connection between the device base and the moving mechanism in the present invention from another angle.

[0025] Figure 7 For the present invention Figure 6 Enlarged view of point C in the middle.

[0026] Figure 8 It is a structural schematic diagram of the auxiliary mechanism in the present invention.

[0027] Fig. 9 It is a structural schematic diagram of the auxiliary mechanism in the present invention from another angle.

[0028] Fig.10 It is a schematic diagram of the structure of the marking element in the present invention.

[0029] In the figure: 1, device base; 2, measuring receiver; 3, positioning mechanism; 4, moving mechanism; 5, auxiliary mechanism; 6, second motor; 31, positioning sleeve frame; 301, horizontal sliding groove; 32, horizontal sliding column; 321, fixed clamping column; 33, horizontal sliding shaft; 331, spring; 101, installation groove; 102, positioning slide groove; 103, fixed clamping groove; 41, rotating bearing; 42, buffer sleeve; 43, buffer clamping column; 431, sliding plate; 432, buffer; 44, wheel seat; 441, moving wheel; 442, first motor; 443, first cover; 45, transmission sprocket; 451, transmission chain; 46. ​​Second cover; 51. First horizontal seat; 511. Lifting cylinder; 52. Auxiliary horizontal plate; 53. First nozzle; 54. Marking assembly; 541. Marking piece; 542. Rotating seat; 543. Driving ring; 544. Rotating outer cylinder; 5441. Mounting slot; 545. Digital template; 546. Buffer nozzle; 5461. Wide-surface nozzle; 5462. Connecting elbow; 547. Driven gear ring; 548. Third motor; 5481. Driving gear; 55. L-shaped fluid guide pipe; 551. Fluid guide main pipe; 5511. Fluid guide branch pipe; 552. First valve; 553. Second valve; 554. Connecting main pipe. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example: Figure 1-10 As shown, the present invention provides a device for measuring the depth of an underground gas pipeline, comprising a device base 1, a measuring receiver 2 is provided in the middle of the device base 1, a positioning mechanism 3 is provided between the device base 1 and the measuring receiver 2, a moving mechanism 4 is provided at the four corners of the device base 1, and an auxiliary mechanism 5 is fixedly installed in the middle of one side of the device base 1; The moving mechanism 4 includes two groups of symmetrically distributed rotating bearings 41, which are respectively fixedly clamped at the four corners of the corresponding device base 1. A buffer sleeve 42 is fixedly clamped in the middle of the rotating bearing 41, and a buffer clamping column 43 is slidably clamped in the middle of the bottom end of the buffer sleeve 42. The buffer clamping column 43 is convenient for vertical sliding in the buffer sleeve 42. A sliding disk 431 is fixedly installed on the top of the buffer clamping column 43, and the sliding disk 431 is movably clamped in the corresponding buffer sleeve 42. A buffer 432 is fixedly installed on the top of the sliding disk 431, and a wheel seat 44 is fixedly installed on the bottom end of the buffer clamping column 43. A moving wheel 441 is rotatably installed on the bottom of the wheel seat 44. The buffer sleeve 42 is convenient for rotation in the middle of the rotating bearing 41, thereby facilitating the rotation of the moving wheel 441 and flexibly changing the moving direction of the device base 1.

[0032] A first motor 442 is fixedly installed on two wheel seats 44 at a side away from the auxiliary mechanism 5. The driving end of the first motor 442 and the shaft end of the corresponding moving wheel 441 are fixedly installed. The first motor 442 is controlled to start and drive the corresponding moving wheel 441 to rotate, thereby driving the entire device base 1 to move, thereby controlling the measuring receiver 2 to perform auxiliary movement. There is no need to manually hold the measuring receiver 2 to move, which saves labor and is convenient for using the device base 1 to control the movement of the measuring receiver 2 to perform long-distance underground gas pipeline depth measurement. A first cover 443 is fixedly installed on the side of the wheel seat 44 close to the first motor 442. The first motor 442 is located in the corresponding first cover 443. The first motor 442 is protected by setting the first cover 443.

[0033] A transmission sprocket 45 is fixedly installed on the top of the buffer sleeve 42, and the outer sides of multiple transmission sprockets 45 are meshed and connected with transmission chains 451; a second cover 46 is fixedly installed on the top of the device base 1, and the transmission sprocket 45 and the transmission chain 451 are located in the second cover 46, and a second motor 6 is fixedly installed at a corner of the top of the second cover 46, and the driving end of the second motor 6 and the top of one of the buffer sleeves 42 are fixedly installed. When in use, the second motor 6 is controlled to start and drive one of the buffer sleeves 42 to rotate, and the transmission of the transmission sprocket 45 and multiple transmission chains 451 is coordinated to drive multiple buffer sleeves 42 to rotate synchronously, thereby synchronously controlling multiple moving wheels 441 to rotate, flexibly changing the moving direction of the device base 1, facilitating the horizontal movement of the device base 1, and assisting in driving the measuring receiver 2 to move horizontally, so that the measuring receiver 2 can be adjusted by micro-distance in the horizontal direction, thereby further improving the efficiency of underground gas pipeline depth measurement.

[0034] The auxiliary mechanism 5 includes a first cross seat 51, which is fixedly installed in the middle of the side end of the device base 1. Two lifting cylinders 511 are fixedly installed on the first cross seat 51, and an auxiliary cross plate 52 is fixedly installed on the driving end of the lifting cylinder 511. A first nozzle 53 is provided on the side of the bottom end of the auxiliary cross plate 52 close to the device base 1, and a marking component 54 is provided on the side of the bottom end of the auxiliary cross plate 52 away from the device base 1. The two lifting cylinders 511 are controlled to open and drive the auxiliary cross plate 52 to descend, thereby driving the first nozzle 53 and the marking component 54 to descend, thereby reducing the distance from the ground.

[0035] The marking assembly 54 includes two symmetrically distributed marking members 541, and the marking member 541 includes two symmetrically distributed rotating seats 542. The marking member 541 is fixedly mounted on the side of the bottom end of the auxiliary horizontal plate 52 away from the device base 1 through the rotating seat 542. The bottom of the rotating seat 542 is rotatably clamped with a driving ring 543, and a rotating outer cylinder 544 is fixedly mounted between the two driving rings 543. The outer side of the rotating outer cylinder 544 is provided with ten mounting slots 5441 distributed in a circular array, and a digital template 545 is detachably mounted in the mounting slots 5441, wherein the digital template 545 is provided with a slot body from zero to nine for printing, and a buffer nozzle 546 is movably clamped in the middle of the rotating outer cylinder 544, and the bottom of the buffer nozzle 546 is vertically mounted. There is a wide-surface nozzle 5461, one end of the buffer spray tube 546 extends out of the outside of the rotating outer cylinder 544 and is fixedly installed with a connecting elbow 5462, and the end of the driving ring 543 close to one side of the connecting elbow 5462 is fixedly installed with a driven gear ring 547, and the inner side of the rotating seat 542 is fixedly installed with a third motor 548, and the driving end of the third motor 548 is fixedly installed with a driving gear 5481, and the driving gear 5481 and the driven gear ring 547 are meshingly connected. When in use, the third motor 548 is controlled to be turned on, and the driving gear 5481 drives the driven gear ring 547 to rotate, thereby controlling the rotating outer cylinder 544 to rotate, and then driving multiple digital templates 545 to rotate, so that the digital templates 545 with appropriate values ​​automatically rotate to the bottom.

[0036] The buffer nozzles 546 in the two marking members 541 are fixedly installed at one end away from the connecting elbow 5462 to achieve communication between the buffer nozzles 546 in the two marking members 541.

[0037] An L-shaped fluid guide tube 55 is fixedly mounted on one side of the auxiliary horizontal plate 52 close to the device base 1. The bottom end of the L-shaped fluid guide tube 55 extends out of the bottom end of the device base 1. The bottom end of the L-shaped fluid guide tube 55 is fixedly mounted to the end of the first nozzle 53. A fluid guide main pipe 551 is provided on the top of the marking component 54. The fluid guide main pipe 551 is fixedly mounted on the top of the rotating seat 542. Two fluid guide branch pipes 5511 are fixedly mounted on the bottom of the fluid guide main pipe 551. The bottom ends of the fluid guide branch pipes 5511 are fixedly mounted to the top ends of the corresponding connecting elbows 5462. The L-shaped fluid guide tube 55 is away from the first nozzle 53. A first valve 552 is fixedly installed at one end of a nozzle 53, a second valve 553 is fixedly installed at the end of a main agent pipe 551, and a connecting main pipe 554 is fixedly installed between the first valve 552 and the second valve 553. When in use, the end of the connecting main pipe 554 is connected to the output port of the paint output pump system, the paint output pump system is controlled to start, and the first valve 552 is opened, the paint is introduced into the first nozzle 53 through the L-shaped guide pipe 55, and is uniformly sprayed out through the first nozzle 53, forming a spray print on the ground, and automatically assisting the location of the underground gas pipeline; By opening the first valve 552, the paint body is introduced into the corresponding buffer nozzle 546 through the agent main pipe 551, the two agent branch pipes 5511 and the connecting elbow 5462, and then introduced into the wide-surface nozzles 5461 on both sides, and is sprayed evenly over a wide surface through the wide-surface nozzles 5461. With the printing effect of the adjusted digital template 545, the specific depth value of the underground gas pipeline is automatically assisted in spraying on the ground, which increases the functionality of the entire device and further improves the use effect of the entire device.

[0038] The positioning mechanism 3 includes a positioning sleeve 31, which is fixedly installed on the outer side of the measuring receiver 2. A mounting groove 101 is provided in the middle of the device base 1. The bottom of the measuring receiver 2 movably passes through the mounting groove 101. The lower surface of the positioning sleeve 31 contacts the upper surface of the device base 1. The positioning sleeve 31 is movably connected to the middle of the second cover 46 to limit the position of the measuring receiver 2. Horizontal sliding grooves 301 are provided on both sides of the positioning sleeve 31. A horizontal sliding column 32 is slidably provided in the horizontal sliding groove 301. A horizontal sliding shaft 33 is vertically installed in the middle of one side of the horizontal sliding column 32. The horizontal sliding shaft 33 is movably connected to the inner side of the horizontal sliding groove 301. A spring 331 is movably sleeved on the outer side of the horizontal sliding shaft 33. A fixed clamping column 321 is vertically installed on one side of the bottom away from the transverse sliding shaft 33, and a positioning slot 102 corresponding to the transverse sliding column 32 is provided on the device base 1. The transverse sliding column 32 is movably clamped in the positioning slot 102. The inner wall of the positioning slot 102 is provided with a fixed clamping groove 103 corresponding to the fixed clamping column 321. The fixed clamping column 321 is movably clamped in the fixed clamping groove 103 to fix the transverse sliding column 32, thereby fixing the positioning sleeve frame 31, and further limiting and fixing the measuring receiver 2. Subsequently, the transverse sliding column 32 is manually slid to squeeze the spring 331, so that the fixed clamping column 321 is separated from the positioning slot 102, so that the positioning sleeve frame 31 is conveniently moved upward for disassembly, thereby quickly disassembling and repairing the measuring receiver 2.

[0039] Working principle: When in use, the measuring receiver 2 is installed, the bottom of the measuring receiver 2 is movably inserted through the installation groove 101, the lower surface of the positioning sleeve 31 is in contact with the upper surface of the device base 1, the positioning sleeve 31 is movably clamped in the middle of the second cover 46, the horizontal slide column 32 is movably clamped in the positioning slide groove 102, the fixed clamp column 321 is movably clamped in the fixed clamp groove 103, the horizontal slide column 32 is fixed, thereby fixing the positioning sleeve 31, and then the measuring receiver 2 is limited and fixed; Subsequently, the first motor 442 is controlled to start and drive the corresponding moving wheel 441 to rotate, thereby driving the entire device base 1 to move, thereby controlling the measuring receiver 2 to perform auxiliary movement, and controlling the measuring receiver 2 to perform long-distance underground gas pipeline depth measurement; When an underground gas pipeline is detected, the position of the measuring receiver 2 needs to be adjusted horizontally so that the measuring receiver 2 is more accurately placed above the underground gas pipeline; By controlling the second motor 6 to start, one of the buffer sleeves 42 is driven to rotate, and the transmission sprocket 45 and the multiple transmission chains 451 are cooperated to drive the multiple buffer sleeves 42 to rotate synchronously, thereby synchronously controlling the multiple moving wheels 441 to rotate, flexibly changing the moving direction of the device base 1, facilitating the horizontal movement of the device base 1, and assisting in driving the measuring receiver 2 to move horizontally, so that the measuring receiver 2 can adjust the micro distance in the horizontal direction, thereby further improving the efficiency of the underground gas pipeline depth measurement; When it is detected that the underground gas pipeline needs to be marked, the two lifting cylinders 511 can be controlled to drive the auxiliary horizontal plate 52 to descend, thereby driving the first nozzle 53 and the marking assembly 54 to descend, thereby reducing the distance from the ground; Subsequently, the end of the connecting main pipe 554 is connected to the output port of the paint output pump system, the paint output pump system is controlled to start, and the first valve 552 is opened, and the paint is introduced into the first nozzle 53 through the L-shaped agent guide tube 55, and is uniformly sprayed out through the first nozzle 53 to form a spray print on the ground, automatically assisting the location of the underground gas pipeline; When it is necessary to mark the depth of the underground gas pipeline, the position of the digital template 545 in the marking parts 541 on both sides is adjusted according to the detected value, and the third motor 548 is controlled to start, driving the driving gear 5481 to drive the driven gear ring 547 to rotate, thereby controlling the rotating outer cylinder 544 to rotate, thereby driving the multiple digital templates 545 to rotate, so that the digital templates 545 with appropriate values ​​automatically rotate to the bottom; Subsequently, the first valve 552 is opened, and the paint is introduced into the corresponding buffer spray barrel 546 through the agent guiding main pipe 551, the two agent guiding branch pipes 5511 and the connecting elbow 5462, and then introduced into the wide-surface spray heads 5461 on both sides, and is uniformly sprayed out through the wide-surface spray heads 5461. With the printing effect of the adjusted digital template 545, the specific depth value of the underground gas pipeline is automatically assisted in spraying on the ground, which increases the functionality of the entire device and further improves the use effect of the entire device. When the subsequent measurement is completed or the measuring receiver 2 needs to be disassembled for maintenance, the horizontal slide column 32 is manually slid to squeeze the spring 331, and the fixed clamping column 321 is disengaged from the positioning slide groove 102, so that the positioning sleeve frame 31 is conveniently moved up for disassembly, thereby quickly disassembling and maintaining the measuring receiver 2, which is simple and convenient.

[0040] 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 device for measuring the depth of an underground gas pipeline, comprising a device base (1), characterized in that: A measuring receiver (2) is provided in the middle of the device base (1), a positioning mechanism (3) is provided between the device base (1) and the measuring receiver (2), moving mechanisms (4) are provided at the four corners of the device base (1), and an auxiliary mechanism (5) is fixedly installed in the middle of one side of the device base (1); The auxiliary mechanism (5) comprises a first transverse seat (51), the first transverse seat (51) being fixedly mounted at the middle of the side end of the device base (1), two lifting cylinders (511) being fixedly mounted on the first transverse seat (51), an auxiliary transverse plate (52) being fixedly mounted at the driving end of the lifting cylinder (511), a first nozzle (53) being provided at the bottom end of the auxiliary transverse plate (52) close to the device base (1), and a marking component (54) being provided at the bottom end of the auxiliary transverse plate (52) away from the device base (1); The marking assembly (54) comprises two symmetrically distributed marking members (541), the marking member (541) comprises two symmetrically distributed rotating seats (542), the marking member (541) is fixedly mounted on a side of the bottom end of the auxiliary horizontal plate (52) away from the device base (1) via the rotating seats (542), a driving ring (543) is provided on a rotating card at the bottom of the rotating seat (542), a rotating outer cylinder (544) is fixedly mounted between the two driving rings (543), ten mounting card slots (5441) distributed in a circular array are provided on the outer side of the rotating outer cylinder (544), a digital template (545) is detachably mounted in each of the mounting card slots (5441), and the rotating outer cylinder (544) is provided with a plurality of mounting slots (5441) disposed in a plurality of mounting slots (5441). A buffer spray barrel (546) is provided at the middle movable clamp of the rotating outer cylinder (544), a wide-surface spray head (5461) is vertically mounted at the bottom of the buffer spray barrel (546), one end of the buffer spray barrel (546) extends out of the outer side of the rotating outer cylinder (544) and is fixedly mounted with a connecting elbow (5462), a driven gear ring (547) is fixedly mounted on the end of the driving ring (543) close to one side of the connecting elbow (5462), a third motor (548) is fixedly mounted on the inner side of the rotating seat (542), a driving gear (5481) is fixedly mounted on the driving end of the third motor (548), and the driving gear (5481) and the driven gear ring (547) are meshingly connected.

2. A device for measuring the depth of an underground gas pipeline according to claim 1, characterized in that: The moving mechanism (4) comprises two groups of symmetrically distributed rotating bearings (41), the rotating bearings (41) being fixedly clamped at the four corners of the corresponding device base (1), a buffer sleeve (42) being fixedly clamped in the middle of the rotating bearing (41), a buffer clamping column (43) being slidably clamped in the middle of the bottom end of the buffer sleeve (42), a sliding plate (431) being fixedly mounted on the top of the buffer clamping column (43), the sliding plate (431) being movably clamped in the corresponding buffer sleeve (42), a buffer (432) being fixedly mounted on the top of the sliding plate (431), a wheel seat (44) being fixedly mounted on the bottom end of the buffer clamping column (43), and a moving wheel (441) being rotatably mounted on the bottom of the wheel seat (44); A first motor (442) is fixedly mounted on two wheel seats (44) at a position away from one side of the auxiliary mechanism (5); a driving end of the first motor (442) and an axial end of a corresponding moving wheel (441) are fixedly mounted; a first cover (443) is fixedly mounted on a side of the wheel seat (44) close to the first motor (442); and the first motor (442) is located in the corresponding first cover (443).

3. The device for measuring the depth of an underground gas pipeline according to claim 1, characterized in that: A transmission sprocket (45) is fixedly mounted on the top of each of the buffer sleeves (42), and a transmission chain (451) is meshedly connected to the outer sides of a plurality of the transmission sprockets (45).

4. The device for measuring the depth of an underground gas pipeline according to claim 3, characterized in that: A second cover (46) is fixedly mounted on the top of the device base (1); the transmission sprocket (45) and the transmission chain (451) are located in the second cover (46); a second motor (6) is fixedly mounted on a corner of the top of the second cover (46); and a driving end of the second motor (6) and a top of one of the buffer sleeves (42) are fixedly mounted.

5. The device for measuring the depth of an underground gas pipeline according to claim 1, characterized in that: The buffer spray barrel (546) in the two marking members (541) is fixedly installed at one end away from the connecting elbow (5462).

6. The device for measuring the depth of an underground gas pipeline according to claim 1, characterized in that: An L-shaped agent guiding tube (55) is fixedly mounted on one side of the auxiliary horizontal plate (52) close to the device base (1), the bottom end of the L-shaped agent guiding tube (55) extends out of the bottom end of the device base (1), the bottom end of the L-shaped agent guiding tube (55) and the end of the first nozzle (53) are fixedly mounted, a agent guiding main tube (551) is provided on the top of the marking component (54), the agent guiding main tube (551) is fixedly mounted on the top of the rotating seat (542), two agent guiding branch tubes (5511) are fixedly mounted on the bottom of the agent guiding main tube (551), and the bottom ends of the agent guiding branch tubes (5511) and the top ends of the corresponding connecting elbows (5462) are fixedly mounted.

7. The device for measuring the depth of an underground gas pipeline according to claim 6, characterized in that: A first valve (552) is fixedly mounted on one end of the L-shaped fluid guiding pipe (55) away from the first nozzle (53), a second valve (553) is fixedly mounted on the end of the fluid guiding main pipe (551), and a connecting main pipe (554) is fixedly mounted between the first valve (552) and the second valve (553).

8. The device for measuring the depth of an underground gas pipeline according to claim 4, characterized in that: The positioning mechanism (3) comprises a positioning sleeve (31), the positioning sleeve (31) is fixedly mounted on the outer side of the measuring receiver (2), a mounting slot (101) is provided in the middle of the device base (1), the bottom of the measuring receiver (2) movably passes through the mounting slot (101), the lower surface of the positioning sleeve (31) contacts the upper surface of the device base (1), the positioning sleeve (31) is movably connected to the middle of the second cover (46), the two sides of the positioning sleeve (31) are provided with transverse sliding slots (301), a transverse sliding column (32) is slidably provided in the transverse sliding slot (301), and the transverse sliding column A transverse sliding shaft (33) is vertically installed in the middle of one side of (32), and the transverse sliding shaft (33) is movably clamped in the inner side of the transverse sliding groove (301). The outer movable sleeve of the transverse sliding shaft (33) is provided with a spring (331). A fixed clamping column (321) is vertically installed on the side of the bottom of the transverse sliding column (32) away from the transverse sliding shaft (33). A positioning sliding groove (102) corresponding to the transverse sliding column (32) is provided on the device base (1), and a fixed clamping groove (103) corresponding to the fixed clamping column (321) is provided on the inner wall of the positioning sliding groove (102), and the fixed clamping column (321) is movably clamped in the fixed clamping groove (103).

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