Gas PE (Poly Ethylene) pipeline positioning instrument

Abstract

The invention discloses a gas PE pipeline positioning instrument, which comprises a first mounting box, a wire is arranged on the first mounting box in a penetrating manner, one end of the wire is connected with a ground signal receiving analyzer, and the other end of the wire is connected with a sound pickup; the adjusting mechanism is positioned on the front of the first mounting box; the driving mechanism is positioned on the front of the first mounting box; the connecting mechanism is used for connecting the pickup with the first mounting box; marking mechanisms are positioned on left and right sides of the first mounting box; the sound pickup is connected with the first mounting box through the connecting mechanism, so that the pulling force at the joint of the wire and the sound pickup can be effectively relieved, pulling damage is avoided, the connecting mechanism can extend, a second spring is arranged in the connecting mechanism for auxiliary buffering, pulling of the wire can be better avoided, and the service life of the sound pickup is prolonged. The wire can be stored and protected in the first mounting box, and the pulling force of the wire can be dispersed by means of the plurality of limiting rods, so that the pulling force applied to the wire is dispersed everywhere, and the wire can be effectively prevented from being damaged by pulling.

Description

Technical Field

[0001] The invention relates to the field of pipeline positioning, and in particular to a gas PE pipeline positioning instrument. Background Art

[0002] The gas PE pipeline locator is a professional detection device used to accurately locate the position and direction of the gas PE pipeline. The device uses highly sensitive sensors and professional signal analysis software. Based on the propagation of specific sound wave signals along the medium (natural gas) in the gas PE pipeline, part of the sound wave signal will penetrate the soil and backfill to reach the ground. The receiver receives the specific sound wave signal emitted by the instrument signal source and compares the signal size to accurately locate the position and direction of the pipeline.

[0003] It is mainly composed of a signal transmitter, an audio driver, a signal output line, a ground signal receiving analyzer, a pickup, an audio line, an aviation headset, a ground rod and a shoulder strap.

[0004] The component for receiving the signal from the ground is a pickup, which is connected with a wire. In real life, when using a pickup, the wire is directly pulled to lift the pickup, and then the pickup is placed in different positions for monitoring. However, due to the weight of the pickup itself, each time it is lifted with a wire, the connection between the wire and the pickup will be damaged in the long run. Summary of the invention

[0005] The purpose of the present invention is to provide a gas PE pipeline locator to solve the above technical problems.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A gas PE pipeline locator comprises a first installation box, wherein a wire is provided through the first installation box, one end of the wire is connected to a ground signal receiving analyzer, and the other end of the wire is connected to a pickup;

[0008] An adjustment mechanism, located on the front side of the first installation box, and used to adjust the bending degree of the wire;

[0009] A driving mechanism, located at the front of the first installation box, and used to drive the adjusting mechanism;

[0010] A connecting mechanism, used for connecting the pickup to the first mounting box;

[0011] A marking mechanism, located on the left and right sides of the first installation box, and used for marking on the road surface;

[0012] An auxiliary moving mechanism, located at the left and right sides of the first installation box, and used to assist the movement of the pickup;

[0013] A cleaning mechanism is located at the bottom of the pickup and is used for cleaning the pickup.

[0014] Preferably, the adjustment mechanism comprises a first rotating seat, and the first rotating seat is fixedly connected to the first installation box;

[0015] A reciprocating screw rod is rotatably mounted on the first rotating seat, two adjacent reciprocating screw rods are connected via a worm gear, a threaded rack is threadedly connected to the reciprocating screw rod, and the threaded rack is slidably connected to the first mounting box;

[0016] The first installation box is provided with a plurality of slide grooves, the interior of the slide grooves is slidably connected with a limit rod, and the limit rod is fixedly connected to the threaded frame.

[0017] Preferably, a fixing frame is fixedly connected inside the first installation box, the fixing frame is located in the middle of the first installation box, and the fixing frame is fixedly connected to the wire;

[0018] A plurality of extrusion columns are arranged inside the first installation box, and the extrusion columns are threadedly installed on the limiting rod.

[0019] Preferably, the driving mechanism comprises a second rotating shaft, a fourth rotating seat is rotatably mounted on the second rotating shaft, and the fourth rotating seat is fixedly connected to the first installation box;

[0020] The fourth rotating seat is fixedly connected to a driving wheel, the top of the driving wheel is fixedly connected to a first fixed disk, the top of the first fixed disk is fixedly installed with a first paddle piece, the first paddle piece is located inside the first driving disk, the first driving disk is provided with a slot, the top of the first driving disk is fixedly connected to a first connecting frame, the first connecting frame is fixedly connected to a first rotating shaft, the first rotating shaft is rotatably installed with a second rotating seat, and the second rotating seat is fixedly connected to the first installation box;

[0021] The first rotating shaft is fixedly connected with a first worm, and the first worm is meshed with the worm wheel.

[0022] Preferably, the driving mechanism further comprises a fourth rotating shaft, one end of the fourth rotating shaft is fixedly connected to the second rotating shaft, and the other end of the fourth rotating shaft is fixedly connected to the second connecting frame;

[0023] A second driving disk is fixedly connected to the bottom of the second connecting frame, a card slot is provided on the second driving disk, a second paddle is provided inside the card slot, a second fixed disk is fixedly connected to the bottom of the second paddle, a third rotating seat is rotatably mounted on the second fixed disk, and the third rotating seat is fixedly connected to the first installation box;

[0024] The second fixed plate is fixedly connected with a second worm, and the second worm is meshed with the worm wheel.

[0025] Preferably, the connection mechanism comprises a first arc-shaped cover, and the first arc-shaped cover is fixedly connected to the first installation box;

[0026] The first arc-shaped cover is slidably connected to the inside of the second arc-shaped cover, the second arc-shaped cover is slidably connected to the inside of the third arc-shaped cover, and the third arc-shaped cover is slidably connected to the inside of the fourth arc-shaped cover;

[0027] The fourth arc-shaped cover is connected to the first arc-shaped cover through a second spring;

[0028] A backing plate is fixedly connected to the fourth arc-shaped cover, and the backing plate is fixedly connected to the pickup.

[0029] Preferably, the marking mechanism comprises a third installation box, and the third installation box is fixedly connected to the first installation box;

[0030] A pressing plate is slidably connected inside the third installation box, and the pressing plate is connected to the third installation box via a plurality of third springs;

[0031] The third installation box is fixedly connected with a telescopic tube, the telescopic tube is fixedly connected with a connecting tube, and a one-way valve is installed on the connecting tube.

[0032] Preferably, the auxiliary movement mechanism comprises a second installation box, the second installation box is fixedly connected to the first installation box, a pressure plate is slidably connected inside the second installation box, and the pressure plate is connected to the second installation box through a plurality of third springs;

[0033] The second installation box is fixedly connected to a delivery pipe, a slide bar is slidably connected inside the delivery pipe, a connecting plate is fixedly connected to the slide bar, the connecting plate is slidably connected to the connecting pipe, a mounting frame is fixedly connected to the connecting plate, and a moving wheel is rotatably installed on the mounting frame;

[0034] The connecting pipe is fixedly connected with a limiting disk, the limiting disk is connected to the connecting plate via a first spring, and the first spring is sleeved on the connecting pipe.

[0035] Preferably, the cleaning mechanism includes a first gear, the first gear is fixedly mounted on the second worm, the first gear is meshed with a second gear, the second gear is rotatably mounted on two first arc-shaped covers, the second gear is fixedly connected to a driving rod, the driving rod is sleeved with a cleaning layer, and the driving rod is plugged with a cleaning wiper.

[0036] The beneficial effects of the present invention are:

[0037] 1. The present invention connects the microphone to the first installation box through a connecting mechanism, which can effectively reduce the pulling force at the connection between the wire and the microphone to avoid damage caused by pulling. The connecting mechanism can be extended, and a second spring is provided inside for auxiliary buffering, which can better avoid the pulling of the wire. The wire can not only be stored and protected inside the first installation box, but also can disperse the pulling force of the wire with the help of multiple limit rods, so that the pulling force on the wire is dispersed everywhere, which will effectively avoid damage caused by pulling.

[0038] 2. By rotating the driving wheel, the reverse rotation of the driving wheel can drive the second worm to rotate, and the second worm can effectively adjust the position of the limit rod, so that the extrusion column on the limit rod can also be effectively moved. With the help of the extrusion column, the marking liquid inside the third installation box can be effectively discharged. In this way, when the user detects a suitable position, it can be easily marked without the need for the user to carry the marking liquid separately for application.

[0039] 3. By rotating the driving wheel, the positive rotation of the driving wheel can drive the first worm to rotate, and the first worm can move the moving wheel and the mounting frame. In this way, the moving wheel will support the pickup, making it easier to move the pickup and effectively reducing the pulling between the pickup and the wire.

[0040] 4. By continuously driving the second worm, the second worm can drive the driving rod to move, and the driving rod can rotate around the periphery of the pickup to clean the pickup. In addition, by installing a cleaning wipe on the driving rod, the bottom of the pickup can be effectively cleaned, thereby effectively protecting the pickup. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of the present invention;

[0042] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0043] Figure 3 for Figure 1 A magnified schematic diagram of part B;

[0044] Figure 4 It is a rear view of the present invention;

[0045] Figure 5 for Figure 4 An enlarged schematic diagram of the C portion;

[0046] Figure 6 This is a schematic diagram of the internal structure of the first installation box of the present invention;

[0047] Figure 7 It is a schematic diagram of the connection between the driving wheel and the first driving disc of the present invention;

[0048] Figure 8It is a structural schematic diagram of the connection mechanism of the present invention;

[0049] Fig. 9 It is a schematic diagram of the internal structure of the third installation box of the present invention.

[0050] Figure numerals: 1, first installation box; 2, second installation box; 3, first worm; 4, delivery tube; 5, third installation box; 6, second worm; 7, first arc cover; 8, telescopic tube; 9, limit column; 10, connecting tube; 11, first gear; 12, pickup; 13, threaded frame; 14, reciprocating screw; 15, first rotating seat; 16, worm gear; 17, sliding rod; 18, connecting plate; 19, mounting frame; 20, first spring; 21, limit plate; 22, moving wheel; 23, driving rod; 24, cleaning wiper; 25, extrusion column; 26, wire; 27. Limit rod; 28. Fixed frame; 29. ​​Second rotating seat; 30. First rotating shaft; 31. First connecting frame; 32. First paddle plate; 33. First driving disk; 34. First fixed disk; 35. Second rotating shaft; 36. Driving wheel; 37. Fourth rotating shaft; 38. Second connecting frame; 39. Second driving disk; 40. Second fixed disk; 41. Second paddle plate; 42. Third rotating seat; 43. Second spring; 44. Second arc cover; 45. Third arc cover; 46. Fourth arc cover; 47. Pressing plate; 48. Third spring; 49. Second gear. DETAILED DESCRIPTION

[0051] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0052] The specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0053] Embodiment 1:

[0054] like Figure 1-9 As shown, a gas PE pipeline locator comprises a first installation box 1, a wire 26 is provided through the first installation box 1, one end of the wire 26 is connected to a ground signal receiving analyzer, and the other end of the wire 26 is connected to a pickup 12;

[0055] An adjustment mechanism, located on the front side of the first installation box 1, and used to adjust the bending degree of the wire 26;

[0056] A driving mechanism, located at the front of the first installation box 1, and used to drive the adjusting mechanism;

[0057] A connecting mechanism, used for connecting the pickup 12 to the first mounting box 1;

[0058] A marking mechanism, located on the left and right sides of the first installation box 1, and used for marking on the road surface;

[0059] An auxiliary moving mechanism, located at the left and right sides of the first installation box 1, and used to assist the pickup 12 in moving;

[0060] The cleaning mechanism is located at the bottom of the pickup 12 and is used for cleaning the pickup 12 .

[0061] The adjustment mechanism includes a first rotating seat 15, and the first rotating seat 15 is fixedly connected to the first installation box 1;

[0062] A reciprocating screw rod 14 is rotatably mounted on the first rotating seat 15, two adjacent reciprocating screw rods 14 are connected via a worm gear 16, a threaded rack 13 is threadedly connected to the reciprocating screw rod 14, and the threaded rack 13 is slidably connected to the first installation box 1;

[0063] The first installation box 1 is provided with a plurality of slide grooves, and a limit rod 27 is slidably connected inside the slide grooves. The limit rod 27 is fixedly connected to the threaded frame 13 .

[0064] A fixing frame 28 is fixedly connected inside the first installation box 1. The fixing frame 28 is located in the middle of the first installation box 1. The fixing frame 28 is fixedly connected to the wire 26.

[0065] A plurality of extrusion columns 25 are arranged inside the first installation box 1 , and the extrusion columns 25 are threadedly mounted on the limiting rod 27 .

[0066] The driving mechanism includes a second rotating shaft 35, on which a fourth rotating seat is rotatably mounted, and the fourth rotating seat is fixedly connected to the first installation box 1;

[0067] A driving wheel 36 is fixedly connected to the fourth rotating seat, a first fixed plate 34 is fixedly connected to the top of the driving wheel 36, a first paddle plate 32 is fixedly installed on the top of the first fixed plate 34, the first paddle plate 32 is located inside the first driving plate 33, a slot is provided on the first driving plate 33, a first connecting frame 31 is fixedly connected to the top of the first driving plate 33, a first rotating shaft 30 is fixedly connected to the first connecting frame 31, a second rotating seat 29 is rotatably installed on the first rotating shaft 30, and the second rotating seat 29 is fixedly connected to the first installation box 1;

[0068] The first rotating shaft 30 is fixedly connected with the first worm 3 , and the first worm 3 is meshed with the worm wheel 16 .

[0069] The driving mechanism further includes a fourth rotating shaft 37, one end of which is fixedly connected to the second rotating shaft 35, and the other end of which is fixedly connected to a second connecting frame 38;

[0070] A second driving disk 39 is fixedly connected to the bottom of the second connecting frame 38, a card slot is provided on the second driving disk 39, a second shifting piece 41 is provided inside the card slot, a second fixed disk 40 is fixedly connected to the bottom of the second shifting piece 41, a third rotating seat 42 is rotatably mounted on the second fixed disk 40, and the third rotating seat 42 is fixedly connected to the first installation box 1;

[0071] The second fixed plate 40 is fixedly connected with the second worm 6 , and the second worm 6 is meshed with the worm wheel 16 .

[0072] The connecting mechanism comprises a first arc-shaped cover 7, and the first arc-shaped cover 7 is fixedly connected to the first installation box 1;

[0073] The first arc-shaped cover 7 is slidably connected to the second arc-shaped cover 44, the second arc-shaped cover 44 is slidably connected to the third arc-shaped cover 45, and the third arc-shaped cover 45 is slidably connected to the fourth arc-shaped cover 46;

[0074] The fourth arc-shaped cover 46 is connected to the first arc-shaped cover 7 through the second spring 43;

[0075] A backing plate is fixedly connected to the fourth arc-shaped cover 46 , and the backing plate is fixedly connected to the pickup 12 .

[0076] By reversing the driving wheel 36, the driving wheel 36 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 drives the fourth rotating shaft 37 to rotate, the fourth rotating shaft 37 drives the second driving disk 39 to rotate through the second connecting frame 38, the second driving disk 39 drives the second fixed disk 40 to rotate through the second paddle plate 41, the second fixed disk 40 drives the second worm 6 to rotate, the second worm 6 drives the worm wheel 16 to rotate, the worm wheel 16 drives the reciprocating screw 14 to rotate, the reciprocating screw 14 makes the threaded frame 13 move, the threaded frame 13 drives the limiting rod 27 to move, the limiting rod 27 will release the wire 26, so that the wire 26 will not be pulled;

[0077] Due to the release of the wire 26, the second spring 43 moves the second arc cover 44, the third arc cover 45, and the fourth arc cover 46, which can extend the use length of the pickup 12;

[0078] By rotating the driving wheel 36 forward, the driving wheel 36 causes the second rotating shaft 35 to drive the first shifting piece 32 to rotate, the first shifting piece 32 drives the first driving disk 33 to rotate, the first driving disk 33 drives the first rotating shaft 30 to rotate, the first rotating shaft 30 drives the first worm 3 to rotate, the first worm 3 drives the worm wheel 16 to rotate, and the worm drives the reciprocating screw 14 to drive the threaded frame 13 to move, so that the wire 26 can be released from the other end;

[0079] Thereby, the wire 26 can be effectively released according to demand.

[0080] And when not in use, it can be restored to its original shape by continuous rotation, which makes it convenient to continue limiting.

[0081] Embodiment 2:

[0082] like Figure 1-9 As shown, when other parts are the same as those of Embodiment 1, the difference between this embodiment and Embodiment 1 is that: the marking mechanism includes a third installation box 5, and the third installation box 5 is fixedly connected to the first installation box 1;

[0083] A pressing plate 47 is slidably connected inside the third installation box 5, and the pressing plate 47 is connected to the third installation box 5 via a plurality of third springs 48;

[0084] The third installation box 5 is fixedly connected with a telescopic tube 8 , the telescopic tube 8 is fixedly connected with a connecting tube 10 , and a one-way valve is installed on the connecting tube 10 .

[0085] When a specific position is detected, the driving wheel 36 can be rotated in reverse continuously, so that the limit rod 27 drives the squeezing column 25 to squeeze the pressing plate 47, and the pressing plate 47 discharges the marking liquid in the third installation box 5 from the connecting pipe 10, thereby playing a marking role;

[0086] The extrusion column 25 is detachable and can be used after being disassembled when not needed.

[0087] Embodiment 3:

[0088] like Figure 1-9 As shown, when other parts are the same as those in Example 1, the difference between this embodiment and Example 1 is that: the auxiliary movement mechanism includes a second installation box 2, the second installation box 2 is fixedly connected to the first installation box 1, and a pressing plate 47 is slidably connected inside the second installation box 2, and the pressing plate 47 is connected to the second installation box 2 through a plurality of third springs 48;

[0089] The second installation box 2 is fixedly connected to a delivery pipe 4, a slide bar 17 is slidably connected inside the delivery pipe 4, a connecting plate 18 is fixedly connected to the slide bar 17, the connecting plate 18 is slidably connected to the connecting pipe 10, a mounting frame 19 is fixedly connected to the connecting plate 18, and a moving wheel 22 is rotatably installed on the mounting frame 19;

[0090] A limit plate 21 is fixedly connected to the connecting pipe 10 . The limit plate 21 is connected to the connecting plate 18 via a first spring 20 . The first spring 20 is sleeved on the connecting pipe 10 .

[0091] By continuously rotating the driving wheel 36 forward, the limiting rod 27 drives the squeezing column 25 to squeeze the pressing plate 47, and the pressing plate 47 squeezes the liquid in the second installation box 2 into the delivery pipe 4, so that the sliding rod 17 in the delivery pipe 4 moves, so that the moving wheel 22 can effectively support the pickup 12, thereby facilitating the movement of the pickup 12, without the need to lift it back and forth to move it, and effectively avoiding the pulling of the connection between the wire 26 and the pickup 12;

[0092] And due to the squeezing of the liquid and the action of the spring, it can also effectively play a buffering role.

[0093] Embodiment 4:

[0094] like Figure 1-9 As shown, when other parts are the same as those in Example 1, the difference between this embodiment and Example 1 is that: the cleaning mechanism includes a first gear 11, the first gear 11 is fixedly mounted on the second worm 6, the first gear 11 is meshed with a second gear 49, the second gear 49 is rotatably mounted on the two first arc-shaped covers 7, the second gear 49 is fixedly connected to a driving rod 23, the driving rod 23 is sleeved with a cleaning layer, and the driving rod 23 is plugged with a cleaning wiper 24.

[0095] By continuously driving the second worm 6, the second worm 6 can drive the driving rod 23 to move, and the driving rod 23 can rotate around the periphery of the pickup 12, thereby cleaning the pickup 12. In addition, by installing a cleaning wiper 24 on the driving rod 23, the bottom of the pickup 12 can also be effectively cleaned, thereby effectively protecting the pickup 12.

[0096] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A gas PE pipeline locator, comprising a first installation box (1), characterized in that: A wire (26) is provided through the first installation box (1), one end of the wire (26) is connected to a ground signal receiving analyzer, and the other end of the wire (26) is connected to a pickup (12); An adjustment mechanism, located on the front side of the first installation box (1), the adjustment mechanism being used to adjust the bending degree of the wire (26); A driving mechanism, located on the front side of the first installation box (1), the driving mechanism being used to drive the adjusting mechanism; A connecting mechanism, used for connecting the pickup (12) to the first installation box (1); A marking mechanism, located on the left and right sides of the first installation box (1), the marking mechanism being used to mark on the road surface; An auxiliary moving mechanism, located on the left and right sides of the first installation box (1), the auxiliary moving mechanism is used to assist the movement of the pickup (12); A cleaning mechanism is located at the bottom of the pickup (12), and is used for cleaning the pickup (12).

2. The gas PE pipeline locator according to claim 1, characterized in that: The adjustment mechanism comprises a first rotating seat (15), wherein the first rotating seat (15) is fixedly connected to the first installation box (1); A reciprocating screw rod (14) is rotatably mounted on the first rotating seat (15), two adjacent reciprocating screw rods (14) are connected via a worm gear (16), a threaded frame (13) is threadedly connected to the reciprocating screw rod (14), and the threaded frame (13) is slidably connected to the first installation box (1); The first installation box (1) is provided with a plurality of sliding grooves, the interior of the sliding grooves is slidably connected to a limiting rod (27), and the limiting rod (27) is fixedly connected to the threaded frame (13).

3. The gas PE pipeline locator according to claim 1, characterized in that: A fixing frame (28) is fixedly connected inside the first installation box (1), the fixing frame (28) is located in the middle of the first installation box (1), and the fixing frame (28) is fixedly connected to the wire (26); A plurality of extrusion columns (25) are arranged inside the first installation box (1), and the extrusion columns (25) are threadedly mounted on the limiting rod (27).

4. The gas PE pipeline locator according to claim 2, characterized in that: The driving mechanism comprises a second rotating shaft (35), a fourth rotating seat is rotatably mounted on the second rotating shaft (35), and the fourth rotating seat is fixedly connected to the first installation box (1); The fourth rotating seat is fixedly connected to a driving wheel (36), the top of the driving wheel (36) is fixedly connected to a first fixed disk (34), the top of the first fixed disk (34) is fixedly mounted with a first shifting piece (32), the first shifting piece (32) is located inside the first driving disk (33), the first driving disk (33) is provided with a slot, the top of the first driving disk (33) is fixedly connected to a first connecting frame (31), the first connecting frame (31) is fixedly connected to a first rotating shaft (30), the first rotating shaft (30) is rotatably mounted with a second rotating seat (29), and the second rotating seat (29) is fixedly connected to the first installation box (1); A first worm (3) is fixedly connected to the first rotating shaft (30), and the first worm (3) is meshed with the worm wheel (16).

5. The gas PE pipeline locator according to claim 4 is characterized in that: The driving mechanism further comprises a fourth rotating shaft (37), one end of the fourth rotating shaft (37) is fixedly connected to the second rotating shaft (35), and the other end of the fourth rotating shaft (37) is fixedly connected to a second connecting frame (38); The second connecting frame (38) is fixedly connected to a second driving disk (39) at the bottom, a slot is provided on the second driving disk (39), a second shifting piece (41) is arranged inside the slot, a second fixed disk (40) is fixedly connected to the bottom of the second shifting piece (41), a third rotating seat (42) is rotatably mounted on the second fixed disk (40), and the third rotating seat (42) is fixedly connected to the first installation box (1); A second worm (6) is fixedly connected to the second fixed disk (40), and the second worm (6) is meshed with the worm wheel (16).

6. The gas PE pipeline locator according to claim 5, characterized in that: The connecting mechanism comprises a first arc-shaped cover (7), and the first arc-shaped cover (7) is fixedly connected to the first installation box (1); The first arc-shaped cover (7) is slidably connected to a second arc-shaped cover (44), the second arc-shaped cover (44) is slidably connected to a third arc-shaped cover (45), and the third arc-shaped cover (45) is slidably connected to a fourth arc-shaped cover (46); The fourth arc-shaped cover (46) is connected to the first arc-shaped cover (7) via a second spring (43); A backing plate is fixedly connected to the fourth arc-shaped cover (46), and the backing plate is fixedly connected to the pickup (12).

7. The gas PE pipeline locator according to claim 1, characterized in that: The marking mechanism comprises a third installation box (5), wherein the third installation box (5) is fixedly connected to the first installation box (1); A pressing plate (47) is slidably connected inside the third installation box (5), and the pressing plate (47) is connected to the third installation box (5) via a plurality of third springs (48); The third installation box (5) is fixedly connected to a telescopic tube (8), the telescopic tube (8) is fixedly connected to a connecting tube (10), and a one-way valve is installed on the connecting tube (10).

8. The gas PE pipeline locator according to claim 7, characterized in that: The auxiliary movement mechanism comprises a second installation box (2), the second installation box (2) is fixedly connected to the first installation box (1), a pressure plate (47) is slidably connected inside the second installation box (2), and the pressure plate (47) is connected to the second installation box (2) via a plurality of third springs (48); The second installation box (2) is fixedly connected to a delivery pipe (4), a slide rod (17) is slidably connected inside the delivery pipe (4), a connecting plate (18) is fixedly connected to the slide rod (17), the connecting plate (18) is slidably connected to the connecting pipe (10), a mounting frame (19) is fixedly connected to the connecting plate (18), and a moving wheel (22) is rotatably mounted on the mounting frame (19); A limiting disk (21) is fixedly connected to the connecting tube (10), and the limiting disk (21) is connected to the connecting plate (18) via a first spring (20), and the first spring (20) is sleeved on the connecting tube (10).

9. The gas PE pipeline locator according to claim 6, characterized in that: The cleaning mechanism comprises a first gear (11), the first gear (11) is fixedly mounted on a second worm gear (6), a second gear (49) is meshed with the first gear (11), the second gear (49) is rotatably mounted on two first arc-shaped covers (7), a driving rod (23) is fixedly connected to the second gear (49), a cleaning layer is sleeved on the driving rod (23), and a cleaning wiper (24) is plugged into the driving rod (23).

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