WO2022241911A1

WO2022241911A1 - Data acquisition device for underground pipeline

Info

Publication number: WO2022241911A1
Application number: PCT/CN2021/102902
Authority: WO
Inventors: 黄剑; 周东君; 陈卫; 杨春峰
Original assignee: 永高股份有限公司
Priority date: 2021-05-18
Filing date: 2021-06-29
Publication date: 2022-11-24
Also published as: CN113236981A; CN113236981B

Abstract

A data acquisition device for an underground pipeline, the data acquisition device comprising an acquisition assembly (1) and a guide pipeline (2), wherein the acquisition assembly (1) comprises an acquisition connecting cylinder (11) and a vertical cylinder (12); the vertical cylinder (12) is arranged on the top of the outer circumference of the acquisition connecting cylinder (11) in a vertically penetrating manner; the vertical cylinder (12) is integrated and in communication with the acquisition connecting cylinder (11); and two ends of the acquisition connecting cylinder (11) are in communication and assembled with the guide pipeline (2) arranged underground. According to the device, data acquisition for an underground pipeline can be carried out without excavating the underground pipeline, such that the convenience and timeliness of data acquisition for an underground pipeline are improved, and an improvement in the detection precision is facilitated.

Description

A data acquisition device for underground pipelines

Cross References to Related Applications

This application claims the priority of the Chinese Patent Application No. 2021105400157 entitled "A Data Acquisition Device for Underground Pipeline" filed with the China Patent Office on May 18, 2021, the entire contents of which are incorporated herein by reference .

technical field

The present disclosure relates to the technical field of underground pipeline fluid data acquisition, in particular to a data acquisition device for underground pipelines.

Background technique

Underground pipelines are laid underground to transport liquids, gases or loose solids. Since underground pipelines are buried underground, it brings challenges to pipeline monitoring. More and more people realize the shortcomings of ordinary pipelines and begin to explore smart pipelines. Existing Because the underground pipelines are deeply buried in the ground to detect the fluid pressure and flow velocity in the collection pipeline, special equipment needs to be used for in-pipe detection. Deeply buried pipelines are not conducive to detection. The flexibility of use during detection is not good, and the accuracy of detection is reduced.

Therefore, there is a need for a data acquisition device for underground pipelines, which can collect underground pipeline data without excavating underground pipelines, thereby improving the convenience and timeliness of underground pipeline data collection, and improving the accuracy of detection.

Contents of the invention

The present disclosure provides a data acquisition device for underground pipelines, in order to improve the existing underground pipelines because they are deeply buried in the ground and detect the fluid pressure and flow velocity in the collection pipelines in the later stage. The pipeline is not conducive to detection, and the deep digging detection project is complicated and the process is inconvenient, which leads to the problem of poor flexibility in the use of detection and reduced detection accuracy.

The implementation mode of the present disclosure is realized like this:

A data collection device for underground pipelines, which may include a collection assembly and a guide pipe, the collection assembly may include a collection connecting cylinder and a vertical cylinder, the top of the outer circumference of the collection connecting cylinder is vertically connected with a vertical cylinder, the vertical cylinder and the collection connecting cylinder It can be arranged in one piece, and the two ends of the collection connecting cylinder are connected and assembled with the guide pipeline arranged underground.

Optionally, a lifting assembly can be provided on the inner upper side of the vertical cylinder, and the lifting assembly can include a top plate, which is horizontally fixed on the inner top of the vertical cylinder, and a screw barrel is installed vertically through the middle of the top plate, and the vertical An adjusting screw is installed through the thread.

Furthermore, a lifting assembly is provided on the inner upper side of the vertical cylinder. The lifting assembly can include a top plate, which is horizontally fixed on the inner top of the vertical cylinder. There is an adjusting screw, so that it is convenient to turn the adjusting screw vertically in the later stage to move up and down, thereby improving the effectiveness of the detection.

Optionally, a collection head can be arranged vertically below the bottom surface of the top plate, a display meter can be arranged vertically directly above the top surface of the top disk, and a collection line can be arranged between the collection head and the display table. May be in a vertical spiral.

Further, a collection head is arranged vertically directly below the bottom surface of the top plate, a display meter is arranged vertically above the top surface of the top disk, and a collection line is arranged between the collection head and the display table, and the collection line is in a vertical spiral shape , so as to facilitate vertical displacement in the vertical direction.

Optionally, the blocking structure may include a lifting plate, which may be horizontally arranged directly below the inner lifting assembly of the vertical cylinder, and a bearing may be fixed in the middle of the top surface of the lifting plate.

Then the lifting plate is horizontally arranged directly below the internal lifting assembly of the vertical cylinder, and the middle part of the top surface of the lifting plate is fixed with a bearing, which is convenient to move up and down following the adjusting screw rod in the vertical direction.

Optionally, the bearing on the lifting disc is rotatably connected to the bottom end of the adjusting screw on the lifting assembly, and a plurality of jacks are evenly and vertically penetrated on the lifting disc along the outer circumference direction, and a seal is bonded in the jacks of the lifting disc. Blocking ring, the jack of the lifting disc is plugged and fixed with a collection head.

Furthermore, the bearing on the lifting plate is rotationally connected with the bottom end of the adjusting screw on the lifting assembly, and a plurality of jacks are evenly and vertically penetrated on the lifting plate along the outer circumferential direction, and a sealing ring is bonded in the jacks of the lifting plate. A collection head is plugged and fixed in the jack of the lifting disc, so that the collection head can be installed vertically in the later stage to improve the accuracy of collection.

Optionally, a sealing groove can be provided on the outer circumference of the lifting disk, a sealing ring can be bonded in the sealing groove of the lifting disk, and a sealing plug can be arranged directly below the bottom end surface of the lifting disk, and the sealing plug and the lifting disk pass through an iron chain.

Furthermore, a sealing groove is opened on the outer circumference of the lifting disk, and a sealing ring is bonded in the sealing groove of the lifting disk, and a sealing plug is provided directly below the bottom end surface of the lifting disk, and the sealing plug and the lifting disk pass through an iron chain, so as to facilitate the later sealing and lifting The inner wall of the plate and the vertical cylinder is convenient for vertical movement.

Optionally, the two ends of the collection connecting cylinder are connected through and fixedly connected with inserting sleeves, the inner wall of the inserting sleeve may be bonded with a gasket, the outer end of the inserting sleeve may be fixed with an assembly flange, and the end of the inserting sleeve may be fixed with a Assemble the flange.

Furthermore, the two ends of the collection connecting cylinder are fixedly connected with the insertion sleeve, the inner wall of the insertion sleeve is bonded with a gasket, the outer end of the insertion sleeve is fixed with an assembly flange, and the end of the insertion sleeve is fixed with an assembly flange, thereby It is convenient to ensure the tightness of the seal between the collection head and the socket on the lifting plate, and prevent fluid from flowing out.

Optionally, the end of the guide pipeline is fixed with an assembly tube, the assembly tube can be inserted into the insertion tube of the collection connecting tube, the outer circumference of the assembly tube can be fixed with a connecting flange, and the connecting flange and the collecting connecting tube The assembled flanges on the top are fixedly connected by screws.

Furthermore, the assembly tube is fixed through the end of the guide pipe, and the assembly tube is inserted into the inserting tube of the collection connecting tube. The outer circumference of the assembly tube is fixed with a connecting flange, and the assembly method between the connecting flange and the collecting connecting tube The flange is fixedly connected by screws, which is convenient for assembling and connecting the collection components and the underground buried pipeline.

Optionally, a lower branch ring is fixed horizontally on the top of the vertical cylinder, and inserting rods are evenly and vertically fixed on the top surface of the lower branch ring along the outer circumference direction, and a sleeve frame is vertically fixed on the top of the lower support ring, and the outer circumference of the sleeve frame It can be a glass ring piece, and the display table in the lifting assembly can be fixed inside the sleeve frame.

Furthermore, a lower branch ring is horizontally fixed on the top of the vertical cylinder, and an insertion rod is evenly and vertically fixed on the top surface of the lower branch ring along the outer circumference direction, and a sleeve frame is vertically fixed on the top of the lower support ring, and the outer circumference of the sleeve frame is made of glass. The ring piece and the display table in the lifting assembly are fixed inside the sleeve frame, which is convenient to ensure the pressure tightness and sealing stability of the connection between the collection assembly and the underground buried transmission pipeline.

Optionally, the top of the lower branch ring can be vertically provided with a protective shell, and the bottom end of the protective shell can be horizontally fixed with an annular ring, and the annular ring is vertically penetrated with a socket that matches the upper insertion rod of the lower branch ring. The top of the rod can be provided with thread, and the thread on the top of the insertion rod is provided with a nut.

Furthermore, the top of the lower branch ring is vertically provided with a protective shell, and the bottom end of the protective shell is horizontally fixed with an annular ring, and the annular ring is vertically penetrated with a jack for matching with the upper insertion rod of the lower branch ring, and the top of the insertion rod is provided with a Thread, and the top thread of the plunger is installed with a nut, so as to ensure the stability of the installation during use.

Compared with the prior art, the beneficial effects of the present disclosure are: in the embodiments of the present disclosure,

(1) There is a lifting assembly on the inner upper side of the vertical cylinder. The lifting assembly includes a top plate, which is horizontally fixed on the inner top of the vertical cylinder. An adjustment screw is installed, so that it is convenient to turn the adjustment screw vertically in the later stage to move up and down, thereby improving the effectiveness of detection. A collection head is arranged vertically below the bottom surface of the top plate, a display meter is arranged vertically above the top surface of the top disk, and a collection line is arranged between the collection head and the display table, and the collection line is in a vertical spiral shape, thereby It is convenient for vertical displacement in the vertical direction.

(2), the lifting plate is horizontally arranged directly below the internal lifting assembly of the vertical cylinder, and the middle part of the top surface of the lifting plate is fixed with a bearing, which is convenient to move up and down following the adjusting screw rod in the vertical direction. The bearing on the lifting disc is connected to the bottom end of the adjusting screw on the lifting assembly in rotation. There are a plurality of holes evenly and vertically penetrating the lifting disc along the outer circumference direction. A sealing ring is bonded to the jack of the lifting disc. A collection head is inserted and fixed in the jack, so that it is convenient to install the collection head in the vertical direction in the later stage and improve the accuracy of collection. There is a sealing groove on the outer circumference of the lifting disk, and a sealing ring is glued in the sealing groove of the lifting disk. A sealing plug is provided directly below the bottom end surface of the lifting disk. The sealing plug and the lifting disk pass through an iron chain, so as to facilitate the later sealing of the lifting disk and The inner wall of the vertical cylinder is convenient for vertical movement.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present disclosure, so It should not be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings according to these drawings without creative work.

Fig. 1 is the overall structure schematic diagram of the data acquisition device for underground pipeline;

Fig. 2 is a schematic diagram of the exploded structure of the data acquisition device for underground pipelines;

Fig. 3 is the structural schematic diagram of the casing in the acquisition assembly in the embodiment of the data acquisition device for underground pipelines;

Fig. 4 is a schematic diagram of the internal structure of the collection connecting cylinder in the embodiment of the data collection device for underground pipelines;

Fig. 5 is a schematic structural view of the lifting assembly in the embodiment of the data acquisition device for underground pipelines;

Fig. 6 is a structural schematic diagram of the plugging structure in the embodiment of the data acquisition device for underground pipelines.

In the figure: 1, collection component; 11, collection connecting cylinder; 111, insertion sleeve; 112, sealing gasket; 113, assembly flange; 12, vertical cylinder; 13, lower support ring; 131, insertion rod; 14, sleeve ; 15, glass ring sheet; 16, lifting assembly; 161, top plate; 162, screw barrel; 163, adjusting screw; 164, collection head; 165, collection line; 166, display table; 17, plugging structure; 171, Lifting plate; 172, bearing; 173, sealing ring; 174, plugging plug; 175, iron chain; 176, sealing plug; 18, protective shell; Connection flange.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described The embodiments are some of the embodiments of the present disclosure, but not all of the embodiments. Based on the implementation manners in the present disclosure, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure. Accordingly, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed disclosure, but merely represents selected embodiments of the present disclosure. Based on the implementation manners in the present disclosure, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Fig. 6, a kind of data collection device for underground pipeline can include collection assembly 1 and guide pipeline 2, and collection assembly 1 can include collection connecting cylinder 11 and the vertical cylinder 12, the top of the outer circumference of the collection connecting cylinder 11 is vertically connected with the vertical cylinder 12, the vertical cylinder 12 is integrally connected with the collection connecting cylinder 11, and the two ends of the collection connecting cylinder 11 are connected with the guide pipe 2 arranged underground. connected assembly.

Furthermore, when using the data acquisition device for underground pipelines to collect the data of the fluid in the underground pipeline, first connect the collection connecting cylinder 11 in the collection assembly 1 of the underground pipeline with the guide pipeline 2 during use, and the fluid passes through the guide pipeline 2 Pass it to the collection connecting cylinder 11, then loosen the screw on the hole ring 181 on the protective shell 18 and the insert rod 131 on the lower support ring 13 on the vertical cylinder 12, remove the protective shell 18, and then turn the lifting assembly 16 to the top The adjustment screw 163 on the disc 161, then use the adjustment screw 163 to support the lifting disc 171 to move down, push the sealing plug 176 to extrude from the vertical tube 12, then insert the collection head 164 on the lifting disc 171 into the fluid, and then observe The readings of the meter 166 are displayed, so that underground pipeline data can be collected without excavating underground pipelines, thereby improving the convenience and timeliness of underground pipeline data collection, and improving the detection accuracy.

Referring to Fig. 1, the inner upper side of the vertical cylinder 12 can be provided with a lifting assembly 16, and the lifting assembly 16 can include a top plate 161, and the top plate 161 is horizontally fixed on the inner top of the vertical cylinder 12, and the middle part of the top plate 161 is installed vertically through There is a screw barrel 162, and the vertical screw thread in the screw barrel 162 is penetrated with an adjusting screw rod 163 installed.

Furthermore, a lifting assembly 16 can be provided on the inner upper side of the vertical cylinder 12, and the lifting assembly 16 can include a top plate 161. The top plate 161 is horizontally fixed on the inner top of the vertical cylinder 12, and the middle part of the top plate 161 is vertically connected with a screw barrel. 162, the vertical screw thread in the screw barrel 162 is installed with an adjusting screw 163, so as to facilitate the later vertical rotation of the adjusting screw 163 to move up and down, thereby improving the effectiveness of detection.

Please refer to Fig. 1, can be provided with acquisition head 164 vertically just below the bottom surface of top plate 161, can be provided with display meter 166 vertically just above the top surface of top plate 161, can be arranged between acquisition head 164 and display meter 166 A collection line 165 is provided, and the collection line 165 may be in a vertical spiral shape.

And then can be provided with acquisition head 164 vertically just below the bottom end surface of top plate 161, can be provided with display meter 166 vertically just above the top surface of top plate 161, can be provided with acquisition head 164 and display meter 166 Line 165, the acquisition line 165 is in a vertical spiral shape, so as to facilitate vertical displacement in the vertical direction.

Referring to FIG. 1 , the blocking structure 17 may include a lifting plate 171 , which is horizontally arranged directly below the internal lifting assembly 16 of the vertical tube 12 , and a bearing 172 may be fixed in the middle of the top surface of the lifting plate 171 .

Furthermore, the lifting plate 171 is horizontally arranged directly below the internal lifting assembly 16 of the vertical cylinder 12, and the middle part of the top surface of the lifting plate 171 is fixed with a bearing 172, which is convenient to follow the adjusting screw 163 to move up and down in the vertical direction.

Please refer to Fig. 1, the bearing 172 on the lifting plate 171 is connected with the bottom end of the adjusting screw 163 on the lifting assembly 16, and the lifting plate 171 is uniformly and vertically penetrated with a plurality of jacks along the outer circumferential direction. A plugging ring 174 is bonded in the hole, and a collection head 164 is plugged and fixed in the jack of the lifting disc 171 .

And then by the bearing 172 on the lifting plate 171 and the bottom end of the adjusting screw 163 on the lifting assembly 16 are rotationally connected, the lifting plate 171 is uniformly and vertically penetrated with a plurality of jacks along the outer circumferential direction, and the jacks of the lifting plate 171 can be Adhesive sealing ring 174, plugging and fixing collection head 164 in the jack of lift disc 171, thereby facilitates later period vertical direction to install collection head 164, improves the accuracy of collection.

Referring to Fig. 1, a sealing groove can be provided on the outer circumference of the lifting disc 171, a sealing ring 173 can be bonded in the sealing groove of the lifting disc 171, and a sealing plug 176 can be arranged directly below the bottom surface of the lifting disc 171, and a sealing plug 176 can be provided. Can pass iron chain 175 with lift dish 171.

And then through the outer circumference of the lifting disc 171, there is a sealing groove, the sealing ring 173 is bonded in the sealing groove of the lifting disc 171, and the bottom end surface of the lifting disc 171 is provided with a sealing plug 176, and the sealing plug 176 and the lifting disc 171 are passed through iron. The chain 175 is convenient for sealing the inner wall of the lifting plate 171 and the vertical cylinder 12 in the later stage, and is convenient for vertical movement.

Please refer to Fig. 1, the two ends of the collection connecting cylinder 11 are connected through and fixedly connected with the insertion sleeve 111, the inner wall of the insertion sleeve 111 can be bonded with a gasket 112, and the outer end of the insertion sleeve 111 can be fixed with an assembly flange 113, the insertion An assembly flange 113 may be fixed at the end of the barrel 111 .

Furthermore, the two ends of the collection connecting cylinder 11 are connected through and fixedly connected to the inserting sleeve 111, the inner wall of the inserting sleeve 111 is bonded with a gasket 112, the outer end of the inserting sleeve 111 can be fixed with an assembly flange 113, and the end of the inserting sleeve 111 The assembly flange 113 can be fixed on the upper part, so as to ensure the sealing tightness of the collecting head 164 and the socket on the lifting plate 171, and prevent the fluid from flowing out.

Please refer to Fig. 1, the end of the guide pipe 2 is penetrated and fixed with an assembly cylinder 21, the assembly cylinder 21 can be plugged into the inserting sleeve 111 of the collection connecting cylinder 11, and the outer circumference of the assembly cylinder 21 can be fixed with a connecting flange 22 , and the connecting flange 22 and the assembled flange 113 on the collection connecting cylinder 11 can be fixedly connected by screws.

Furthermore, the end of the guide pipe 2 is penetrated and fixed with an assembly tube 21, the assembly tube 21 can be plugged into the insertion tube 111 of the collection connecting tube 11, and the outer circumference of the assembly tube 21 can be fixed with a connecting flange 22, and connected The flange 22 and the assembled flange 113 on the collection connecting cylinder 11 can be fixedly connected by screws, so as to facilitate the assembly and connection of the collection assembly 1 and the guide pipeline 2 buried underground.

Referring to Fig. 1, the top of the vertical tube 12 can be fixed with a lower support ring 13 horizontally, the top surface of the lower support ring 13 is uniformly and vertically fixed with an insertion rod 131 along the outer circumference direction, and the top of the lower support ring 13 is vertically fixed with a sleeve Frame 14, the outer circumference of the sleeve frame 14 is a glass ring sheet 15, and the display gauge 166 in the lifting assembly 16 can be fixed inside the sleeve frame 14.

Further, the top of the vertical tube 12 is horizontally fixed with a lower support ring 13, and the top surface of the lower support ring 13 is evenly and vertically fixed with an insertion rod 131 along the outer circumferential direction, and the top of the lower support ring 13 is vertically fixed with a sleeve frame 14, and The outer circumference of the frame 14 is a glass ring piece 15, and the display gauge 166 in the lifting assembly 16 is fixed inside the sleeve frame 14, so as to ensure the tightness and sealing stability of the connection between the collection assembly 1 and the buried guide pipeline 2 .

Referring to Fig. 1, the top of the lower branch ring 13 can be vertically provided with a protective case 18, and the bottom end of the protective case 18 is horizontally fixed with a grommet 181, and the grommet 181 is vertically penetrated with an upper insertion rod connected with the lower branch ring 13. 131, the top of the insertion rod 131 is threaded, and the top thread of the insertion rod 131 is provided with a nut.

And then the top of the lower branch ring 13 is vertically provided with a protective shell 18, and the bottom end of the protective shell 18 is horizontally fixed with an annular ring 181, and the annular ring 181 is vertically penetrated with an inserting rod 131 that cooperates with the upper insert rod 131 of the lower branch ring 13. The top of the insertion rod 131 is provided with a thread, and the top thread of the insertion rod 131 is provided with a nut, thereby ensuring the stability of the installation during use.

Working principle: When using the data acquisition device for underground pipelines to collect the data of the fluid in the underground pipeline, first connect the collection connecting cylinder 11 in the collection component 1 of the underground pipeline with the transmission pipeline 2, and the fluid passes through the transmission pipeline 2 Transfer to the collection connecting cylinder 11, then loosen the screw on the hole ring 181 on the protective shell 18 and the insert rod 131 on the lower support ring 13 on the vertical cylinder 12, remove the protective shell 18, and then turn the lifting assembly 16 on The adjusting screw 163 on the top plate 161 then uses the adjusting screw 163 to support the lifting plate 171 to move down, pushes the sealing plug 176 to extrude from the vertical tube 12, then inserts the collection head 164 on the lifting plate 171 into the fluid, and then Observe the reading on the Display Meter 166.

The device obtained through the above design can basically satisfy a kind of underground pipeline data acquisition under the premise of not excavating underground pipelines, thereby improving the convenience and timeliness of underground pipeline data collection, and facilitating the improvement of detection accuracy. The use of the data acquisition device, but in order to further improve its function, the designer made further improvements to the device.

The above descriptions are only preferred implementations of the present disclosure, and are not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure shall be included within the protection scope of the present disclosure.

Industrial Applicability

The data acquisition device for underground pipelines provided by the present disclosure can collect underground pipeline data without excavating underground pipelines, thereby improving the convenience and timeliness of underground pipeline data collection and facilitating the improvement of detection accuracy.

In addition, it is understood that the collection assemblies, data collection devices for conduits and underground pipelines, etc. of the present disclosure are reproducible and applicable in a variety of industrial applications. For example, the collection component of the present disclosure can be applied to a data collection device that needs to realize convenient data collection of underground pipelines.

Claims

A data collection device for underground pipelines, characterized in that it includes a collection assembly (1) and a guide pipe (2), the collection assembly (1) includes a collection connecting cylinder (11) and a vertical cylinder (12), the The top of the outer circumference of the collection connecting cylinder (11) is vertically connected with a vertical cylinder (12), and the vertical cylinder (12) is integrally connected with the collection connecting cylinder (11). It is connected and assembled with the guide pipeline (2) arranged underground.
A kind of data acquisition device for underground pipelines according to claim 1, characterized in that, a lifting assembly (16) is provided on the inner upper side of the vertical cylinder (12), and the lifting assembly (16) includes a top plate ( 161), the top plate (161) is horizontally fixed on the inner top of the vertical cylinder (12), and the middle part of the top plate (161) is vertically penetrated with a screw barrel (162), and the screw barrel (162 ) in the vertical thread runs through and is equipped with adjusting screw rod (163).
A kind of data acquisition device for underground pipelines according to claim 2, characterized in that, a collection head (164) is vertically arranged below the bottom surface of the top plate (161), and a collection head (164) is vertically arranged on the top plate (161) A display meter (166) is arranged vertically above the top surface, and a collection line (165) is arranged between the collection head (164) and the display table (166), and the collection line (165) is in a vertical spiral shape. .
The data acquisition device for underground pipelines according to claim 3, characterized in that, the blocking structure (17) includes a lifting plate (171), and the lifting plate (171) is horizontally arranged on the vertical tube (12) Inside, directly below the lifting assembly (16), a bearing (172) is fixed in the middle of the top surface of the lifting disc (171).
The data acquisition device for underground pipelines according to claim 4, characterized in that, the bearing (172) on the lifting plate (171) is connected to the bottom end of the adjusting screw (163) on the lifting assembly (16) Rotationally connected, the lifting plate (171) is evenly and vertically penetrated with a plurality of jacks along the outer circumferential direction, and a sealing ring (174) is bonded in the jacking holes of the lifting plate (171), and the lifting plate (171) is connected vertically. The collection head (164) is plugged and fixed in the jack of the disc (171).
The data acquisition device for underground pipelines according to claim 5, wherein a sealing groove is provided on the outer circumference of the lifting plate (171), and the sealing groove of the lifting plate (171) is bonded and sealed. A ring (173), a sealing plug (176) is provided directly below the bottom end surface of the lifting disc (171), and the sealing plug (176) and the lifting disc (171) pass through an iron chain (175).
A kind of data acquisition device for underground pipelines according to any one of claims 1 to 6, characterized in that, both ends of the acquisition connecting cylinder (11) are fixedly connected with insertion sleeves (111), so A gasket (112) is bonded to the inner wall of the insert (111), an assembly flange (113) is fixed on the outer end of the insert (111), and an assembly flange (113) is fixed on the end of the insert (111). Flange (113).
The data acquisition device for underground pipeline according to claim 7, characterized in that, the end of the guide pipeline (2) is penetrated and fixed with an assembly tube (21), and the assembly tube (21) is plugged in In the insertion tube (111) of the collection connecting tube (11), a connecting flange (22) is fixed on the outer circumference of the assembly tube (21), and the connecting flange (22) is connected to the The assembly flange (113) on the collection connecting cylinder (11) is fixedly connected by screws.
A kind of data acquisition device for underground pipeline according to any one of claims 2 to 6, characterized in that, the top of the vertical tube (12) is horizontally fixed with a lower branch ring (13), and the lower branch The top surface of the ring (13) is evenly and vertically fixed with an insertion rod (131) along the outer circumferential direction, and the top of the lower branch ring (13) is vertically fixed with a sleeve frame (14), and the top of the sleeve frame (14) The outer circumference is a glass ring piece (15), and the display gauge (166) in the lifting assembly (16) is fixed inside the sleeve frame (14).
A kind of data acquisition device for underground pipeline according to claim 9, characterized in that, the top of the lower branch ring (13) is vertically provided with a protective shell (18), and the bottom end of the protective shell (18) An annular ring (181) is horizontally fixed, and a jack hole for matching with the upper insertion rod (131) of the lower support ring (13) is vertically penetrated on the upper ring (181), and the top of the insertion rod (131) is provided with a thread, and the top thread of the plunger (131) is provided with a nut.