CN216925483U

CN216925483U - Underground pipeline measuring device

Info

Publication number: CN216925483U
Application number: CN202220352086.4U
Authority: CN
Inventors: 赵忠岩; 邓锋华; 莫其威; 钟华旭; 陈权威; 黄尚英; 李观忠; 王泽�; 卢德齐
Original assignee: Guangdong Yuelu Survey And Design Co ltd
Current assignee: Guangdong Yuelu Survey And Design Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-08
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to the technical field of underground pipeline measurement, in particular to an underground pipeline measuring device which comprises a telescopic component and an electronic measuring component, wherein the telescopic component comprises a main rod and a telescopic rod, the main rod and the telescopic rod are coaxially arranged, the telescopic rod is in threaded connection with the main rod, a display is arranged at the top end of the main rod, the electronic measuring component comprises a main laser infrared distance meter and an auxiliary electronic measuring component, the main laser infrared distance meter is arranged at one end of the main rod, which is far away from the display, the auxiliary electronic measuring component is arranged at one end of the telescopic rod, which is far away from the main rod, the electronic measuring component is in signal connection with the display, an adjusting component is arranged between the main rod and the telescopic rod and used for adjusting the length of the telescopic rod, which extends out of the main rod. The method has the effect of improving the accuracy of the measurement result of the underground pipeline measurement project.

Description

Underground pipeline measuring device

Technical Field

The utility model relates to the technical field of underground pipeline measurement, in particular to an underground pipeline measurement device.

Background

At present, underground pipelines refer to pipelines and underground cables buried underground, and in the early stage of engineering construction, data such as the plane position, the pipeline trend, the pipeline buried depth, the pipe diameter and the like of the underground pipelines need to be confirmed so as not to influence the existing underground pipelines in the later stage of engineering construction.

In the related technology, various characteristics of underground pipelines need to be directly measured in a field site, and measuring devices use steel rulers or tape measures which are qualified through calibration and inspection, and manual reading measurement is carried out.

However, the requirement for the accuracy of underground pipeline measurement is high, and the data measurement accuracy is affected by the disadvantages of manual measurement in the actual measurement process, and a steel ruler or a tape measure device is adopted in the center of the related art to measure the data such as the buried depth and the pipe diameter of the underground pipeline, so that the data accuracy is affected, and therefore, a certain improvement space exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underground pipeline measuring device which can improve the accuracy of the measuring result of an underground pipeline measuring project.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an underground pipeline measuring device, includes flexible subassembly and electron measurement subassembly, flexible subassembly includes mobile jib and telescopic link, the mobile jib with the telescopic link is coaxial to be set up, telescopic link threaded connection in the mobile jib, the mobile jib top is provided with the display, the subassembly is surveyed including main laser infrared distance meter and vice electron measurement subassembly to the electron, main laser infrared distance meter is installed the mobile jib is kept away from the one end of display, vice electron measurement unit mount is in the telescopic link is kept away from the one end of mobile jib, the electron measure the subassembly with display signal connects, the mobile jib with be provided with between the telescopic link and be used for adjusting the telescopic link stretch out in the length of the main lever adjusts the subassembly.

Through adopting above-mentioned technical scheme, the pipe that measures underground piping through main laser infrared distance meter buries the degree of depth, before putting into the well with the telescopic link, adjust the length that the telescopic link stretches out in the main pole through adjusting part, through adjusting part locking main pole and telescopic link, make the length of telescopic link fixed, be convenient for measure, the subassembly is surveyed to vice electron sends into underground piping in through the telescopic link, measure the pipe diameter that the subassembly measured underground piping and survey underground piping's trend through vice electron, measure the measured data and the detection image of subassembly through the display with showing main laser infrared distance meter and vice electron, be convenient for the record person record measured data.

The utility model is further configured to: the outer wall of the end, far away from the display, of the main rod is fixedly provided with a fixing seat, and the main laser infrared distance meter is fixedly installed on the fixing seat.

Through adopting above-mentioned technical scheme, through fixing base with main laser infrared distance meter fixed mounting at the mobile jib outer wall more steadily, the main laser infrared distance meter of restriction appears rocking when measuring, makes measuring result more accurate.

The utility model is further configured to: one end of the telescopic rod far away from the main rod is fixedly connected with a mounting seat, the mounting seat comprises a vertical mounting pipe and a transverse mounting platform, one end of the vertical installation tube is fixedly connected with the telescopic rod, the transverse installation platform is fixedly connected with one end of the vertical installation tube far away from the telescopic rod, the auxiliary electronic measuring component is arranged on the transverse mounting table and comprises an auxiliary laser infrared range finder, a camera and a searchlight, the auxiliary laser infrared range finder is fixed on the upper plane of the transverse mounting table, the camera and the searchlight are both fixed at one end of the transverse mounting table, which is far away from the vertical mounting tube, the direction of a detection head of the auxiliary laser infrared range finder is perpendicular to the transverse mounting table, the direction of a lens of the camera is far away from the transverse mounting table, and the irradiation direction of the searchlight is consistent with the direction of the lens of the camera.

Through adopting above-mentioned technical scheme, measure pipeline radius of underground line through vice laser infrared range finder, improve pipeline radius measurement result's accuracy, through the camera, the pipeline trend of observable underground line and the circuit distribution in the underground line, improve the distribution trend measuring accuracy to underground line, through the camera, it surveys work to need not the tester to enter into the underground, security and convenience are provided, it is unanimous with the camera lens direction of camera to shine the direction through the searchlight, the cooperation camera, overcome under the dark ring border to the measurement of underground line, further improve the measuring degree of accuracy, for measuring provide the convenience.

The utility model is further configured to: the telescopic link outer wall is equipped with the second external screw thread, the mobile jib inner wall is equipped with the second internal thread with second external screw thread looks adaptation, the telescopic link extends into in the mobile jib.

Through adopting above-mentioned technical scheme, through helicitic texture, make the speed of adjusting telescopic link length slow down, the protection is installed and is being measured the subassembly at the vice electron of telescopic link one end.

The utility model is further configured to: the adjusting assembly comprises a locking pipe and an adjusting pipe, the adjusting pipe is sleeved on the main rod and the telescopic rod, a fixed convex ring is arranged on the inner wall of one end, close to the locking pipe, of the adjusting pipe, a fixed concave ring matched with the fixed convex ring is arranged on one end, close to the adjusting pipe, of the main rod, and the main rod is fixed on the adjusting pipe; the inner wall of the adjusting pipe is provided with the second internal thread, and the telescopic rod penetrates through the adjusting pipe and is connected to the main rod in an inserting mode.

Through adopting above-mentioned technical scheme, through the fixed bulge loop of control tube and the helicitic texture that is equipped with in the control tube, rotate the control tube along anticlockwise, the mobile jib can not slide for the control tube, and the telescopic link passes through the screw thread, can slide towards keeping away from the mobile jib direction, rotates the control tube along clockwise, and the telescopic link can be towards being close to the mobile jib direction and slide to realize adjusting the length of telescopic link.

The utility model is further configured to: the locking pipe cup joint in the mobile jib, the mobile jib runs through the locking pipe stretches into in the regulating pipe, the mobile jib outer wall is equipped with first external screw thread, the locking inside pipe wall be equipped with the first internal thread of first external screw thread looks adaptation, work as when the locking pipe is in natural state, the locking pipe butt sticiss the regulating pipe, the locking pipe with regulating pipe butt face cover is equipped with the rubber pad.

Through adopting above-mentioned technical scheme, through the locking pipe, the rotation of restriction governing pipe, after the telescopic link was adjusted required length, rotated the locking pipe, made the locking pipe butt sticis the governing pipe, realized the locking governing pipe and rotated, through the rubber pad that the butt face cover of locking pipe and governing pipe was established, the frictional force of increase locking pipe and governing pipe further strengthens injecing the locking governing pipe.

The utility model is further configured to: be fixed with fixed subassembly on the mobile jib, fixed subassembly includes fixed block, bracing piece and backup pad, fixed block fixed connection in the mobile jib outer wall, the one end of bracing piece rotate connect in the fixed block, backup pad fixed connection in the bracing piece is kept away from the one end of fixed block.

Through adopting above-mentioned technical scheme, be fixed in the measuring point when measuring pipeline measuring device through fixed subassembly, further improve the accuracy of measuring result.

The utility model is further configured to: the fixed block is equipped with the inserted bar, set up the confession on the fixed block the main jack that the inserted bar passes through, the bracing piece is kept away from vice jack has been seted up to the one end of backup pad, be equipped with the third external screw thread on the outer peripheral face of inserted bar, all be equipped with on the inner wall of vice jack with the screw thread of third external screw thread looks adaptation, the inserted bar runs through the fixed block with the bracing piece, inserted bar threaded connection in the bracing piece.

Through adopting above-mentioned technical scheme, through the inserted bar, can lock the rotation of restriction bracing piece, after the bracing piece was accomplished in the rotation regulation, the accessible inserted bar locks the bracing piece, and the restriction bracing piece takes place to rotate when measuring, influences measuring result's accuracy.

In conclusion, the beneficial technical effects of the utility model are as follows:

1. the underground pipeline buried depth is measured through the main laser infrared distance measuring instrument, before the telescopic rod is placed in the well, the length of the telescopic rod extending out of the main rod is adjusted through the adjusting component, the main rod and the telescopic rod are locked through the adjusting component, so that the length of the telescopic rod is fixed, the measurement is convenient, the auxiliary electronic measuring component is sent into the underground pipeline through the telescopic rod, the pipeline radius of the underground pipeline is measured through the auxiliary laser infrared distance measuring instrument, the accuracy of the measurement result of the pipeline radius is improved, the pipeline direction of the underground pipeline and the line distribution in the underground pipeline can be detected through the camera, the accuracy of the distribution direction measurement of the underground pipeline is improved, a tester does not need to enter the underground for detection work through the camera, the safety and the convenience are provided, the irradiation direction of the searchlight is consistent with the lens direction of the camera, the camera is matched, and the measurement of the underground pipeline in a dark environment is overcome, the accuracy of measurement is further improved, convenience is provided for measurement, the display is used for displaying the measurement data and the detection image of the main laser infrared distance meter and the auxiliary electronic measuring assembly, and a recorder can record the measurement data conveniently.

2. Realize adjusting the length of telescopic link through adjusting part, can measure the pipeline that the degree of depth is high.

3. The underground pipeline measuring device is fixed at the measuring point when being measured through the fixing assembly, and the accuracy of the measuring result is further improved.

Drawings

FIG. 1 is a partial block diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

FIG. 3 is a cross-sectional schematic view of the boom and adjustment assembly.

Fig. 4 is a schematic view of the present invention with the fixing assembly installed.

Description of reference numerals: 1. a telescoping assembly; 11. a main rod; 111. a first external thread; 112. fixing the concave ring; 12. a telescopic rod; 121. a second external thread; 2. an electronic measurement assembly; 21. a main laser infrared distance meter; 22. a sub-electronic measurement assembly; 221. a secondary laser infrared distance meter; 222. a camera assembly; 223. a lighting assembly; 3. a fixing component; 31. a fixed block; 311. a first fixing plate; 312. a second fixing plate; 32. a support bar; 33. a support plate; 4. a display; 5. a handle; 6. an adjustment assembly; 61 locking the tube; 611. a first internal thread; 62. an adjusting tube; 621. fixing the convex ring; 7. inserting a rod; 71. a third external thread; 8. a mounting base; 81, vertically installing a pipe; 82. a transverse mounting table; 9. a second internal thread; 10. a fixed seat.

Detailed Description

The utility model is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, the underground pipeline measuring device disclosed by the utility model comprises a telescopic assembly 1. Flexible subassembly 1 includes mobile jib 11 and telescopic link 12, mobile jib 11 and the coaxial setting of telescopic link 12, telescopic link 12 is pegged graft in mobile jib 11, mobile jib 11 is provided with adjusting part 6 with the 12 grafting departments of telescopic link, adjusting part 6 is including locking pipe and control tube, locking pipe cup joints in mobile jib 11, mobile jib 11 runs through locking pipe and extends into in the control tube, be equipped with first external screw thread 111 on the outer pipe wall of mobile jib 11 and locking pipe cup joint department, the locking inside pipe wall be equipped with the first internal thread of first external screw thread 111 looks adaptation, through first external screw thread 111 and first internal thread, locking pipe thread cup joints in mobile jib 11. The regulating pipe cup joints in flexible subassembly 1, and the regulating pipe has seted up fixed bulge loop near the inner wall of the one end of locking pipe, and the mobile jib 11 is seted up with the outer wall of the one end of regulating pipe butt with the fixed concave ring 112 of fixed bulge loop looks adaptation, through the cooperation of fixed bulge loop and fixed concave ring 112, mobile jib 11 fixed connection is in the regulating pipe.

Referring to fig. 1 and 2, the telescopic rod 12 runs through the adjusting pipe in extending into the main rod 11, the spiral second external thread 121 is opened on the outer wall of the telescopic rod 12, the second internal thread 9 matched with the second external thread 121 is opened on the inner wall of the adjusting pipe and the inner wall of the main rod 11, and the telescopic rod 12 is in threaded connection with the main rod 11 and the adjusting pipe through the second external thread 121 and the second internal thread 9.

The locking pipe is abutted against the adjusting pipe, and rubber pads are sleeved on abutting surfaces of the locking pipe and the adjusting pipe so as to enhance the friction force between the locking pipe and the adjusting pipe. Under the natural state, the locking pipe tightly presses the adjusting pipe to limit the rotation of the adjusting pipe.

Referring to fig. 3, the underground pipeline measuring apparatus further includes an electronic measuring component 2, and the electronic measuring component 2 includes a primary laser infrared distance meter 21 and a secondary electronic measuring component 222. The top fixedly connected with display 4 of mobile jib 11, display 4 can show the data condition of measurationing, and mobile jib 11 is close to the one end of display 4 and is fixed with two handles 5, and the cover has the antiskid cover on handle 5, reduces when the device uses, takes place the condition that the accuracy of smooth influence measuring result of hand. The outer wall that mobile jib 11 is close to the one end of bell and spigot joint is fixed with the fixing base of main laser infrared distance measuring instrument 21, and main laser infrared distance measuring instrument 21 fixed mounting is on the fixing base, and main laser infrared

distance measuring instrument

21 and 4 signal connection of display, the data that main laser infrared distance measuring instrument 21 tests and obtains can show on display 4, and main laser infrared distance measuring instrument 21's detecting head is on a parallel with the bottom direction setting of mobile jib 11 axis towards mobile jib 11.

The one end that mobile jib 11 was kept away from to telescopic link 12 is connected with the mount pad, the mount pad includes vertical installation pipe, vertical installation pipe and the coaxial setting of telescopic link 12, the inner wall that the one end of mobile jib 11 was kept away from to telescopic link 12 is provided with the becket, the top of vertical installation pipe is fixed with the bulge loop with becket looks adaptation, vertical installation pipe passes through bulge loop fixed connection in telescopic link 12, the horizontal mount table 82 of one end fixedly connected with of telescopic link 12 is kept away from to vertical installation pipe, horizontal mount table 82 is perpendicular to vertical installation pipe axis direction.

Referring to fig. 3, the transverse mounting table 82 is mounted with a sub-electronic measuring assembly 222, and the sub-electronic measuring assembly 222 includes a sub-laser infrared distance meter 221, a camera assembly 222 and an illumination assembly 223. The end of horizontal mount table 82 is fixed with camera module 222 and lighting assembly 223, and camera module 222 includes the camera, and lighting assembly 223 includes the searchlight, and camera and searchlight set up on the same water flat line, and the camera passes through signal connection with display 4, with the image transmission in the underground utility to display 4 on, the camera lens direction and the searchlight direction of camera all set up towards the direction of keeping away from horizontal mount table 82. Be fixed with vice laser infrared distance meter 221 on the outer wall of horizontal mount table 82 near the one end of searchlight, the detecting head of vice laser infrared distance meter 221 sets up along perpendicular horizontal mount table 82 direction, vice laser

infrared distance meter

221 and 4 through signal connection of display, the pipe radius of underground line is surveyed through vice laser infrared distance meter 221, the data that vice laser infrared distance meter 221 surveyed are shown through display 4, be convenient for survey personnel's record, camera module 222, lighting assembly 223 and vice laser infrared distance meter 221 surface all overlap and have waterproof cover.

Referring to fig. 4, the main rod 11 is fixedly provided with four fixing components 3 near the telescopic rod 12, the four fixing components 3 are uniformly distributed along the circumferential direction of the outer wall of the main rod 11 at intervals, and each fixing component 3 comprises a fixing block 31, a support rod 32 and a support plate 33. The fixing block 31 is fixedly welded on the outer wall of the main rod 11, the fixing block 31 comprises a first fixing plate 311 and a second fixing plate 312, the first fixing plate 311 and the second fixing plate 312 are fixedly connected to the outer wall of the main rod 11 in parallel on the same horizontal plane, a gap is reserved between the first fixing plate 311 and the second fixing plate 312, one end of the support rod 32 is positioned in the gap between the first fixing plate 311 and the second fixing plate 312, the support rod 32 is abutted against the inner wall of the first fixing plate 311 and the inner wall of the second fixing plate 312, an insertion rod 7 is arranged in the gap between the first fixing plate 311 and the second fixing plate 312, the first fixing plate 311 and the second fixing plate 312 are both provided with a main insertion hole for the insertion rod 7 to pass through, the abutted parts of the support rod 32 and the first fixing plate 311 and the second fixing plate 312 are both provided with an auxiliary insertion hole for the fixing rod to pass through, the outer peripheral surface of the insertion rod 7 is provided with a spiral third external thread 71, the inner wall of the auxiliary insertion hole is provided with a thread adapted to the outer peripheral surface of the insertion rod 7, the inserting rod 7 penetrates through the fixing block 31 and the supporting rod 32, and the inserting rod 7 is in threaded connection with the first fixing plate 311, the supporting rod 32 and the second fixing plate 312 in sequence. When the inserting rod 7 is unscrewed, the supporting rod 32 can rotate around the inserting rod 7, and when the inserting rod 7 is locked, the supporting rod 32 is fixedly connected to the first fixing plate 311 and the second fixing plate 312. The supporting plate 33 is fixedly connected to one end of the supporting rod 32 far away from the fixing block 31, and the supporting plate 33 is rectangular.

The implementation principle of the embodiment is as follows:

before measurationing, fix pipeline measuring device in wellhead earlier, in the fixed process, remove inserted bar 7 earlier to the restriction of fixed subassembly 3, unscrew inserted bar 7, remove inserted bar 7 to the restriction of bracing piece 32, make bracing piece 32 rotate for fixed block 31, rotate and adjust bracing piece 32, make the stable fixed butt of backup pad 33 on the bracing piece 32 behind ground, tighten inserted bar 7 again, make inserted bar 7 resume restriction bracing piece 32 for fixed block 31 pivoted state, be fixed in the measurationing wellhead with pipeline measuring device through fixed subassembly 3.

In the process of measurationing, fix underground pipeline measuring device at the well head department back of measuring the point, main laser infrared distance meter 21 is opened to accessible display 4, main laser infrared distance meter 21's detecting head direction is on a parallel with the 11 axis directions of mobile jib, the pipe that can measure underground pipeline through main laser infrared distance meter 21 accurately buries the degree of depth, main laser infrared distance meter 21 measures on the data that obtains conveys the display 4 on the 11 top of mobile jib through signal connection, the convenience of reading is provided.

If the pipe diameter in the underground pipeline needs to be measured and the trend layout in the pipeline needs to be detected, the telescopic rod 12 can be extended, in the telescopic process, the locking pipe in the adjusting assembly 6 is rotated clockwise firstly, the limitation of the locking pipe on the adjusting pipe is removed, the adjusting pipe can be adjusted by the adjusting pipe, then the adjusting pipe is rotated anticlockwise, the telescopic rod 12 can slowly slide towards the direction far away from the main rod 11 along the axis of the main rod 11 through the internal thread in the adjusting pipe and the external thread on the outer rod wall of the telescopic rod 12, after the adjusting pipe is adjusted to a proper depth, the locking pipe is rotated anticlockwise, the locking pipe moves towards the direction close to the adjusting pipe until the locking pipe is pressed against the adjusting pipe again, the state of limiting the rotation of the adjusting pipe is recovered, at the moment, the telescopic rod 12 is fixedly connected to the main rod 11, and the auxiliary laser infrared distance meter 221, a, The measuring point that camera and searchlight put into the underground pipeline through flexible subassembly 1 measures, and the pipeline radius of underground pipeline is measured to vice laser infrared distance meter 221, and the trend and the intraductal condition of underground pipeline are recorded a video in real time to the camera, and the searchlight provides the illumination to underground pipeline measurement time measuring, and the data that vice laser infrared distance meter 221 measured and the image that the camera recorded a video all can read on display 4. Waterproof sleeves are sleeved on the outer surfaces of the camera shooting assembly 222, the lighting assembly 223 and the auxiliary laser infrared distance meter 221, so that the influence of water on the underground pipeline measuring process is prevented, and the accuracy of the measuring result is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An underground pipeline measuring device is characterized in that: including flexible subassembly (1) and electron measurement subassembly (2), flexible subassembly (1) includes mobile jib (11) and telescopic link (12), mobile jib (11) with telescopic link (12) coaxial setting, telescopic link (12) threaded connection in mobile jib (11), mobile jib (11) top is provided with display (4), electron measurement subassembly (2) is including main laser infrared distance meter (21) and vice electron measurement subassembly (22), main laser infrared distance meter (21) is installed the one end of display (4) is kept away from in mobile jib (11), vice electron measurement subassembly (22) is installed the one end of mobile jib (11) is kept away from in telescopic link (12), electron measurement subassembly (2) with display (4) signal connection, mobile jib (11) with be provided with between telescopic link (12) and be used for adjusting telescopic link (12) stretch out in the adjusting part (6) of the length of mobile jib (11) .

2. The underground utility measurement device of claim 1, wherein: the outer wall of the end, far away from the display (4), of the main rod (11) is fixedly provided with a fixing seat (10), and the main laser infrared distance meter (21) is fixedly installed on the fixing seat (10).

3. The underground utility measurement device of claim 1, wherein: the telescopic rod (12) is far away from one end of the main rod (11) and is fixedly connected with a mounting seat (8), the mounting seat (8) comprises a vertical mounting pipe (81) and a transverse mounting platform (82), one end of the vertical mounting pipe (81) is fixedly connected with the telescopic rod (12), the transverse mounting platform (82) is fixedly connected with one end of the vertical mounting pipe (81) far away from the telescopic rod (12), the auxiliary electronic measuring component (22) is mounted on the transverse mounting platform (82), the auxiliary electronic measuring component (22) comprises an auxiliary laser infrared distance meter (221), a camera shooting component (222) and an illuminating component (223), the auxiliary laser infrared distance meter (221) is fixed on the upper plane of the transverse mounting platform (82), and the camera shooting component (222) and the illuminating component (223) are fixed on one end of the transverse mounting platform (82) far away from the mounting pipe (81), the direction of a probe of the auxiliary laser infrared range finder (221) is perpendicular to the transverse mounting table (82), the direction of a lens of the camera shooting assembly (222) is far away from the transverse mounting table (82), and the irradiation direction of the illumination assembly (223) is consistent with the direction of the lens of the camera shooting assembly (222).

4. The underground utility measurement device of claim 1, wherein: the outer wall of the telescopic rod (12) is provided with a second external thread (121), the inner wall of the main rod (11) is provided with a second internal thread (9) matched with the second external thread (121), and the telescopic rod (12) extends into the main rod (11).

5. The underground utility measurement device of claim 4, wherein: the adjusting assembly (6) comprises a locking pipe (61) and an adjusting pipe (62), the adjusting pipe (62) is sleeved on the main rod (11) and the telescopic rod (12), a fixed convex ring (621) is arranged on the inner wall of one end, close to the locking pipe (61), of the adjusting pipe (62), a fixed concave ring (112) matched with the fixed convex ring (621) is arranged on one end, close to the adjusting pipe (62), of the main rod (11), and the main rod (11) is fixed on the adjusting pipe (62); the inner wall of the adjusting pipe (62) is provided with the second internal thread (9), and the telescopic rod (12) penetrates through the adjusting pipe (62) and is inserted into the main rod (11).

6. The underground utility measurement device of claim 5, wherein: locking pipe (61) cup joint in mobile jib (11), in mobile jib (11) run through locking pipe (61) and stretch into control tube (62), mobile jib (11) outer wall is equipped with first external screw thread (111), locking pipe (61) inner wall be equipped with first internal thread (611) of first external screw thread (111) looks adaptation, work as when locking pipe (61) is in the natural state, locking pipe (61) butt sticiss control tube (62), locking pipe (61) with control tube (62) butt face cover is equipped with the rubber pad.

7. The underground utility measurement device of claim 1, wherein: fixed subassembly (3) are fixed on mobile jib (11), fixed subassembly (3) are including fixed block (31), bracing piece (32) and backup pad (33), fixed block (31) fixed connection in mobile jib (11) outer wall, the one end of bracing piece (32) rotate connect in fixed block (31), backup pad (33) fixed connection in the one end of fixed block (31) is kept away from in bracing piece (32).

8. The underground utility measuring device of claim 7, wherein: fixed block (31) are equipped with inserted bar (7), seted up the confession on fixed block (31) the main jack that inserted bar (7) passed through, bracing piece (32) are kept away from vice jack has been seted up to the one end of backup pad (33), be equipped with third external screw thread (71) on the outer peripheral face of inserted bar (7), all be equipped with on the inner wall of vice jack with the screw thread of third external screw thread looks adaptation, inserted bar (7) run through fixed block (31) with bracing piece (32), inserted bar (7) threaded connection in bracing piece (32).