CN114166094B - Diameter measuring detector - Google Patents
Diameter measuring detector Download PDFInfo
- Publication number
- CN114166094B CN114166094B CN202111507913.9A CN202111507913A CN114166094B CN 114166094 B CN114166094 B CN 114166094B CN 202111507913 A CN202111507913 A CN 202111507913A CN 114166094 B CN114166094 B CN 114166094B
- Authority
- CN
- China
- Prior art keywords
- mounting seat
- connecting portion
- rubber sleeve
- chains
- festival
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a diameter measuring detector, which is characterized in that chains are arranged at equal intervals along the circumferential direction and are connected to the outer edges of one end of each of a front mounting seat and a rear mounting seat, so that a central channel is enclosed between a plurality of chains, through holes communicated with the central channel are formed in the front mounting seat and the rear mounting seat, an elastic rubber sleeve is coated outside the chains, and a through hole corresponding to the central channel is formed in the center of the elastic rubber sleeve; the front mounting seat and the rear mounting seat both comprise a first connecting part connected with the chain and a second connecting part connected with the cylinder, a plurality of lugs which are arranged along the circumferential direction at intervals and correspond to the chain are arranged on the outer surface of one end of the first connecting part far away from the second connecting part, the end part of the chain is sleeved on the lugs and is welded and connected with the lugs, and the outer diameter of one end of the second connecting part close to the first connecting part is larger than that of the first connecting part. The diameter measuring detector ensures the stability and the safety of electric signal transmission in the process of running the equipment in the pipeline.
Description
Technical Field
The invention relates to a diameter measuring detector, and belongs to the technical field of pipeline detection.
Background
The pipeline is an important facility for transporting liquid and gas, is widely applied to water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, is easy to damage and deform to different degrees after long-time use, leads to the reduction of the efficiency of oil and gas transportation, leads to the increase of loss due to leakage in the transportation process, and also causes serious potential safety hazard, so that the pipeline is required to be detected regularly, and the most visual is to check the inner diameter of the pipeline.
At present, the inner diameter of a pipeline is generally detected through a diameter measuring detector, and the detector for detecting the inside of the pipeline is generally designed into a multi-section structure, and each section is connected through a connecting device so as to be convenient for running in the bent pipeline. However, in the conventional diameter measuring detector, the protection device for the connecting device is easy to collide and rub with the connecting wire in the long-time use process, so that the connecting device and the protection device are damaged, and the safety of the connecting device is reduced.
Disclosure of Invention
The invention aims to provide a diameter measuring detector which ensures the stability and the safety of electric signal transmission in the running process of equipment in a pipeline and prolongs the service life of the whole equipment and the safety in the use process.
In order to achieve the above purpose, the invention adopts the following technical scheme: the diameter measuring detector comprises a battery section, a switching box section and a diameter measuring section, wherein a battery for supplying power to the switching box section through a power supply cable is arranged in a cylinder body of the battery section, a plurality of numerical control boxes are arranged on the outer surface of the cylinder body of the switching box section, a plurality of measuring arms with one ends in contact with the inner wall of a pipeline are circumferentially distributed in the middle of the outer surface of the cylinder body of the diameter measuring section and used for detecting the inner diameter of the pipeline, each measuring arm is connected with one numerical control box through a data cable, and adjacent cylinders are connected through a universal joint;
the universal joint includes: the device comprises a front mounting seat connected with one cylinder, a rear mounting seat connected with the other cylinder and at least three chains connected between the front mounting seat and the rear mounting seat, wherein the chains are arranged at equal intervals along the circumferential direction and are connected with the outer edges of one end of each of the front mounting seat and the rear mounting seat, so that a central channel is enclosed between a plurality of chains, through holes communicated with the central channel are formed in each of the front mounting seat and the rear mounting seat, an elastic rubber sleeve is coated outside the chains, and through holes corresponding to the central channel are formed in the center of the elastic rubber sleeve;
the front mounting seat and the rear mounting seat both comprise a first connecting part connected with the chain and a second connecting part connected with the cylinder, a plurality of bumps which are arranged along the circumferential direction at intervals and correspond to the chain are arranged on the outer surface of one end of the first connecting part, the end part of the chain is sleeved on the bumps and is welded and connected with the bumps, the outer diameter of one end of the second connecting part, which is close to the first connecting part, is larger than that of the first connecting part, so that a step groove is formed between the second connecting part and the first connecting part, and the end part of the elastic rubber sleeve is embedded in the step groove and is attached to the end face of the second connecting part.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the numerical control box is with survey the quantity ratio of arm 1: 2-8, so that each numerical control box is in communication connection with 2-8 measuring arms.
2. In the above scheme, the elastic rubber sleeve is a polyurethane rubber sleeve.
3. In the scheme, the number of the chains is 4-9.
4. In the scheme, the first connecting part is connected with the flange arranged on the cylinder body through threads.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the diameter measuring detector can move in a pipeline with a certain deformation amount, and detects the inner diameter of the pipeline passing through, at least three chains are arranged between a front mounting seat and a rear mounting seat of a universal joint of each functional joint at equal intervals along the circumferential direction and are connected to the outer edges of one end of each of the front mounting seat and the rear mounting seat, so that a central channel is enclosed between a plurality of chains, through holes communicated with the central channel are formed in each of the front mounting seat and the rear mounting seat, an elastic rubber sleeve is coated outside the chain, a through hole corresponding to the central channel is formed in the center of the elastic rubber sleeve, stability and safety of electric signal transmission in the running process of the equipment are guaranteed, a telescopic space is provided for stress deformation of the rubber sleeve, the binding force between the chains and the rubber sleeve is enhanced, the stability of the rubber sleeve performance in the long-time use process is guaranteed, and the situation of local tearing and the like is avoided.
2. The outer surface of one end of the first connecting part far away from the second connecting part is provided with the plurality of convex blocks which are arranged at intervals along the circumferential direction and correspond to the chains, the end parts of the chains are sleeved on the convex blocks and are connected with the convex blocks in a welding way, the outer diameter of one end of the second connecting part close to the first connecting part is larger than that of the first connecting part, so that a step groove is formed between the second connecting part and the first connecting part, the end parts of the elastic rubber sleeves are embedded into the step groove and are attached to the end surfaces of the second connecting part, the damage to the chains due to the collision between the chains, the installation seats and the like in the long-time use process is effectively avoided, the protection of each chain by the rubber sleeve coated on the chains is enhanced, and the whole service life and the safety in the use process are prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a caliper detector of the present invention;
FIG. 2 is a schematic diagram of a part of a caliper sensor according to the present invention;
FIG. 3 is a partial cross-sectional view of the caliper detector of the present invention;
fig. 4 is a schematic diagram showing a partial structure of the caliper sensor according to the present invention.
In the above figures: 1. a battery section; 2. a junction box section; 21. a numerical control box; 3. measuring a diameter section; 31. a measuring arm; 4. a cylinder; 5. a front mounting base; 6. a rear mounting base; 7. a chain; 8. a central passage; 9. an elastic rubber sleeve; 101. a first connection portion; 102. a second connecting portion; 11. a bump; 12. a step groove.
Detailed Description
In the description of this patent, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in this patent will be understood by those of ordinary skill in the art in a specific context.
Example 1: the utility model provides a diameter measuring detector, includes battery festival 1, switching box festival 2 and diameter measuring festival 3, install the battery that supplies power for switching box festival 2 through the power cable in the barrel 4 of battery festival 1, install a plurality of numerical control box 21 on the barrel 4 surface of switching box festival 2, a plurality of one end is arranged in the barrel 4 surface middle part of diameter measuring festival 3 along circumference with the survey arm 31 that the pipeline inner wall contacted for survey the internal diameter of pipeline, every survey arm 31 all is connected with a numerical control box 21 through the data cable, is connected through a universal joint between the adjacent barrel 4;
the universal joint includes: the novel plastic rubber sleeve comprises a front mounting seat 5 connected with one cylinder body 4, a rear mounting seat 6 connected with the other cylinder body 4 and at least three chains 7 connected between the front mounting seat 5 and the rear mounting seat 6, wherein the chains 7 are arranged at equal intervals along the circumferential direction and are connected to the outer side edges of one end of each of the front mounting seat 5 and the rear mounting seat 6, so that a central channel 8 is formed by surrounding a plurality of chains 7, through holes communicated with the central channel 8 are formed in each of the front mounting seat 5 and the rear mounting seat 6, an elastic rubber sleeve 9 is coated outside the chains 7, and a through hole corresponding to the central channel 8 is formed in the center of the elastic rubber sleeve 9;
the front mounting seat 5 and the rear mounting seat 6 respectively comprise a first connecting portion 101 connected with the chain 7 and a second connecting portion 102 connected with the cylinder body 4, a plurality of bumps 11 which are arranged at intervals along the circumferential direction and correspond to the chain 7 are arranged on the outer surface of one end of the first connecting portion 101, the end portion of the chain 7 is sleeved on the bumps 11 and is welded with the bumps 11, the outer diameter of one end, close to the first connecting portion 101, of the second connecting portion 102 is larger than that of the first connecting portion 101, so that a step groove 12 is formed between the second connecting portion 102 and the first connecting portion 101, and the end portion of the elastic rubber sleeve 9 is embedded in the step groove 12 and is attached to the end face of the second connecting portion 102.
The numerical control box 21 and the measuring arm 31 have a number ratio of 1:8 such that each of the nc cassettes 21 is communicatively connected to 8 test arms 31.
The first connection portion 101 is screwed to a flange attached to the cylinder 4.
Example 2: the utility model provides a diameter measuring detector, includes battery festival 1, switching box festival 2 and diameter measuring festival 3, install the battery that supplies power for switching box festival 2 through the power cable in the barrel 4 of battery festival 1, install a plurality of numerical control box 21 on the barrel 4 surface of switching box festival 2, a plurality of one end is arranged in the barrel 4 surface middle part of diameter measuring festival 3 along circumference with the survey arm 31 that the pipeline inner wall contacted for survey the internal diameter of pipeline, every survey arm 31 all is connected with a numerical control box 21 through the data cable, is connected through a universal joint between the adjacent barrel 4;
the universal joint includes: the novel plastic rubber sleeve comprises a front mounting seat 5 connected with one cylinder body 4, a rear mounting seat 6 connected with the other cylinder body 4 and at least three chains 7 connected between the front mounting seat 5 and the rear mounting seat 6, wherein the chains 7 are arranged at equal intervals along the circumferential direction and are connected to the outer side edges of one end of each of the front mounting seat 5 and the rear mounting seat 6, so that a central channel 8 is formed by surrounding a plurality of chains 7, through holes communicated with the central channel 8 are formed in each of the front mounting seat 5 and the rear mounting seat 6, an elastic rubber sleeve 9 is coated outside the chains 7, and a through hole corresponding to the central channel 8 is formed in the center of the elastic rubber sleeve 9;
the front mounting seat 5 and the rear mounting seat 6 respectively comprise a first connecting portion 101 connected with the chain 7 and a second connecting portion 102 connected with the cylinder body 4, a plurality of bumps 11 which are arranged at intervals along the circumferential direction and correspond to the chain 7 are arranged on the outer surface of one end of the first connecting portion 101, the end portion of the chain 7 is sleeved on the bumps 11 and is welded with the bumps 11, the outer diameter of one end, close to the first connecting portion 101, of the second connecting portion 102 is larger than that of the first connecting portion 101, so that a step groove 12 is formed between the second connecting portion 102 and the first connecting portion 101, and the end portion of the elastic rubber sleeve 9 is embedded in the step groove 12 and is attached to the end face of the second connecting portion 102.
The numerical control box 21 and the measuring arm 31 have a number ratio of 1:6, so that each numerical control box 21 is communicatively connected with 6 measuring arms 31.
The elastic rubber sleeve 9 is a polyurethane rubber sleeve.
The number of the chains 7 is 6.
By adopting the diameter measuring detector, during production and processing, two ends of the chain are correspondingly sleeved on the convex blocks and welded, so that the two installation seats are connected through the plurality of chains, then the core rod is inserted into a central channel surrounded by the through holes of the installation seats and the chain, and then the outer side of the chain is integrally injected with glue to form a glue sleeve, and a cable channel is formed in the center of the glue sleeve.
The adjacent cylinders are connected through a universal joint, and the universal joint comprises: the front mounting seat and the rear mounting seat are respectively provided with a through hole communicated with the central channel, the outside of the chain is covered with an elastic rubber sleeve, the center of the elastic rubber sleeve is provided with a through hole corresponding to the central channel, the central channel covered by the plurality of chains is provided with a through hole corresponding to the central channel, so that an internal wiring channel is provided for a plurality of power lines and signal lines connected between the cylinders, the conditions of impurity cuts in a pipeline, excessive stress and the like caused by winding various cables outside are avoided, and the stability and safety of electric signal transmission in the process of running in the pipeline are ensured; the flexible space can be provided for the stress deformation of the rubber sleeve, and the binding force between the chain and the rubber sleeve is enhanced, so that the stress of the rubber sleeve is more balanced, the fatigue resistance of the rubber sleeve is improved, the stability of the rubber sleeve performance in the long-time use process is ensured, and the situations of local tearing and the like are avoided;
and the front mounting seat and the rear mounting seat of the novel rubber sleeve comprise a first connecting part connected with the chain and a second connecting part connected with the cylinder, a plurality of bumps which are arranged along the circumferential direction at intervals and correspond to the chain are arranged on the outer surface of one end of the first connecting part far away from the second connecting part, the end part of the chain is sleeved on the bumps and is welded and connected with the bumps, the outer diameter of one end of the second connecting part, which is close to the first connecting part, is larger than the outer diameter of the first connecting part, so that a step groove is formed between the second connecting part and the first connecting part, the end part of the elastic rubber sleeve is embedded in the step groove and is attached to the end surface of the second connecting part, the novel rubber sleeve is convenient for mounting the chain, the structural stability between the chain and the mounting seat is improved, the chain is effectively prevented from being damaged due to collision and the like between the chain and between the mounting seat in the long-time use process, and the protection of the rubber sleeve on the chain is enhanced, and the whole service life and the safety in the use process are prolonged.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a diameter measurement detector, includes battery festival (1), switching box festival (2) and diameter measurement festival (3), install the battery that passes through power supply cable and give switching box festival (2) power supply in barrel (4) of battery festival (1), install a plurality of numerical control box (21) on barrel (4) surface of switching box festival (2), a plurality of one end and pipeline inner wall contact survey arm (31) are arranged in barrel (4) surface middle part of diameter measurement festival (3) along circumference for detect the internal diameter of pipeline, every survey arm (31) all are connected with a numerical control box (21) through data cable, its characterized in that: adjacent cylinders (4) are connected through a universal joint;
the universal joint includes: the novel plastic rubber sleeve comprises a front mounting seat (5) connected with one cylinder body (4), a rear mounting seat (6) connected with the other cylinder body (4) and at least three chains (7) connected between the front mounting seat (5) and the rear mounting seat (6), wherein the chains (7) are arranged at equal intervals along the circumferential direction and are connected with the outer side edges of one end of each of the front mounting seat (5) and the rear mounting seat (6), so that a central channel (8) is formed by surrounding a plurality of chains (7), through holes communicated with the central channel (8) are formed in each of the front mounting seat (5) and the rear mounting seat (6), an elastic rubber sleeve (9) is coated outside the chains (7), and a through hole corresponding to the central channel (8) is formed in the center of the elastic rubber sleeve (9);
the front mounting seat (5) and the rear mounting seat (6) comprise a first connecting portion (101) connected with the chain (7) and a second connecting portion (102) connected with the cylinder body (4), a plurality of bumps (11) which are arranged at intervals along the circumferential direction and correspond to the chain (7) are arranged on the outer surface of one end of the first connecting portion (101) away from the second connecting portion (102), the end portion of the chain (7) is sleeved on the bumps (11) and is in welded connection with the bumps (11), the outer diameter of one end of the second connecting portion (102) close to the first connecting portion (101) is larger than the outer diameter of the first connecting portion (101), so that a step groove (12) is formed between the second connecting portion (102) and the first connecting portion (101), and the end portion of the elastic rubber sleeve (9) is embedded into the step groove (12) and is attached to the end face of the second connecting portion (102).
2. The caliper detector of claim 1, wherein: the number ratio of the numerical control box (21) to the measuring arm (31) is 1: 2-8, so that each numerical control box (21) is in communication connection with 2-8 measuring arms (31).
3. The calliper detector according to claim 1 or 2, wherein: the elastic rubber sleeve (9) is a polyurethane rubber sleeve.
4. The calliper detector according to claim 1 or 2, wherein: the number of the chains (7) is 4-9.
5. The caliper detector according to any one of claims 1 to 4, wherein: the first connecting part (101) is connected with a flange arranged on the cylinder body (4) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507913.9A CN114166094B (en) | 2021-12-10 | 2021-12-10 | Diameter measuring detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507913.9A CN114166094B (en) | 2021-12-10 | 2021-12-10 | Diameter measuring detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114166094A CN114166094A (en) | 2022-03-11 |
| CN114166094B true CN114166094B (en) | 2024-03-15 |
Family
ID=80485435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111507913.9A Active CN114166094B (en) | 2021-12-10 | 2021-12-10 | Diameter measuring detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114166094B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0449805U (en) * | 1990-09-03 | 1992-04-27 | ||
| CN103591883A (en) * | 2013-11-12 | 2014-02-19 | 沈阳仪表科学研究院有限公司 | Eddy current non-contact multi-channel diameter detector in pipeline |
| CN211525832U (en) * | 2019-12-25 | 2020-09-18 | 达州帝泰克检测设备有限公司 | Pipeline diameter measuring instrument convenient for turning |
| CN212458320U (en) * | 2020-07-27 | 2021-02-02 | 达州帝泰克检测设备有限公司 | Safety pipeline diameter measuring equipment |
| CN112903810A (en) * | 2020-03-16 | 2021-06-04 | 苏州帝泰克检测设备有限公司 | Omnibearing pipeline magnetic leakage detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5880096B2 (en) * | 2012-02-09 | 2016-03-08 | 株式会社Ihi | Inner diameter measuring device |
-
2021
- 2021-12-10 CN CN202111507913.9A patent/CN114166094B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0449805U (en) * | 1990-09-03 | 1992-04-27 | ||
| CN103591883A (en) * | 2013-11-12 | 2014-02-19 | 沈阳仪表科学研究院有限公司 | Eddy current non-contact multi-channel diameter detector in pipeline |
| CN211525832U (en) * | 2019-12-25 | 2020-09-18 | 达州帝泰克检测设备有限公司 | Pipeline diameter measuring instrument convenient for turning |
| CN112903810A (en) * | 2020-03-16 | 2021-06-04 | 苏州帝泰克检测设备有限公司 | Omnibearing pipeline magnetic leakage detector |
| CN212458320U (en) * | 2020-07-27 | 2021-02-02 | 达州帝泰克检测设备有限公司 | Safety pipeline diameter measuring equipment |
Non-Patent Citations (1)
| Title |
|---|
| 内接触式管道测径装置与数据拟合方法;迎春;刘艳辉;张春友;;工具技术;20171120(第11期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114166094A (en) | 2022-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103003517B (en) | Electrical wiring for drill pipe, casing, and tubing | |
| US7210504B2 (en) | Assembly and method for stiffening a flexible pipe | |
| CN205666456U (en) | Centrally -installed cabinet | |
| CN114166094B (en) | Diameter measuring detector | |
| CN100358684C (en) | Robot arm with wire traveling central hole | |
| CN211294693U (en) | Energy-saving power cable with aluminum alloy conductor, crosslinked polyethylene, insulation interlocking armor sheath | |
| CN219828038U (en) | Galvanized pipe convenient to splice | |
| CN217030458U (en) | Pipeline internal diameter detection device | |
| CN114166931B (en) | Magnetic leakage detector | |
| CN216555974U (en) | Universal joint for pipeline internal inspection equipment | |
| CN107218026B (en) | Real-time intelligent logging device with optical cable arranged in coiled tubing | |
| CN217030456U (en) | Universal joint for pipeline detector | |
| CN212033751U (en) | Submarine cable joint box | |
| CN206093291U (en) | Pipeline flexibility interface | |
| CN218973569U (en) | Durable joint for flow measurement | |
| CN212480450U (en) | Be used for bellows sealing to detect compensation arrangement | |
| CN113048310A (en) | Bending-resistant metal hose with joint protection device | |
| CN216344498U (en) | High wear-resisting flaring formula pipe joint | |
| CN218441283U (en) | Double-wall corrugated pipe and sealing pipeline | |
| CN219809620U (en) | Anticorrosive steel pipe of 3PE and steel pipe pressure detection device | |
| CN216793327U (en) | Underwater cable structure and device | |
| CN221177195U (en) | High-voltage-resistant and impact-resistant MPP power tube | |
| CN218124219U (en) | MPP cable protection pipe | |
| CN219591177U (en) | Power cable | |
| CN221263326U (en) | Main power cord lays sleeve pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |