CN109882516A - A kind of pipe detector hollow universal joint and its connector - Google Patents

A kind of pipe detector hollow universal joint and its connector Download PDF

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Publication number
CN109882516A
CN109882516A CN201910276497.2A CN201910276497A CN109882516A CN 109882516 A CN109882516 A CN 109882516A CN 201910276497 A CN201910276497 A CN 201910276497A CN 109882516 A CN109882516 A CN 109882516A
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China
Prior art keywords
universal joint
link block
universal
connector
flange
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CN201910276497.2A
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CN109882516B (en
Inventor
宋云鹏
宋华东
杨亮
徐春风
王宇楠
诸海博
郭晓婷
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Shenyang Academy of Instrumentation Science Co Ltd
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Shenyang Academy of Instrumentation Science Co Ltd
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Priority to CN201910276497.2A priority Critical patent/CN109882516B/en
Publication of CN109882516A publication Critical patent/CN109882516A/en
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Abstract

The invention discloses a kind of pipe detector hollow universal joints and its connector, the universal joint is to be symmetrical arranged to constitute by two universal units, each universal unit is constituted by link block and by the flange that shaft is rotatably connected on link block both ends, therefore, macroscopic view sees, which be made of universal rotational structure (universal unit) at two;It is microcosmic to see, be all provided in each universal unit there are two rotational structure, and then increase substantially the rotation angle of the universal joint, with meet pipe detector in the duct by all kinds of elbows when posture demand;Above-mentioned hollow universal joint is used in the pipe detector connector, is fixedly mounted in hollow universal joint by that will converge line device, is realized to converging the protection of line device and cable, reduction failure rate;Above-mentioned hollow universal joint and connector have structure simple, and design is rationally, easy to use, and rotation angle is big, strong applicability, the advantages that can shielding to cable.

Description

A kind of pipe detector hollow universal joint and its connector
Technical field
The present invention discloses the technical field for being related to pipe detection equipment more particularly to a kind of pipe detector with hollow ten thousand Xiang Jie and its connector.
Background technique
Pipeline is due to being embedded in underground, seabed, by long-play, by originals such as geology destruction, burn into self-defects Cause may damage or corrode to inner wall of the pipe, influence conduit running safety, it is therefore desirable to periodically carry out interior inspection to pipeline It surveys.Pipeline detection equipment is generally made of components such as driving section, acquisition probe, mileage wheel, storage system and power supplys.For Small-bore equipment, due to being limited by space, above-mentioned functional component generally requires to be designed to multi-section structure, and passes through between respectively saving Universal joint connection.
Currently, realizing that the universal joint for respectively saving connection in above-mentioned detection device is general universal joint, rotation angle range Small, maximum rotation angle is only 30 °, when detector is by elbow between pipeline, due to being limited by rotation angle, often Can there are problems that clamping stagnation, be unable to satisfy through the posture demand in pipeline when all kinds of elbows.
In addition, above-mentioned universal joint also needs to meet each section electronic device while respectively section is mechanically connected in ensuring detector Between communication connection.Detection probe quantity in existing in-pipeline detector is more, usual 8,10,12 cun of small detector In detection probe quantity just at 20 or more, each probe is required to multi-core cable and is connected to memory, but due to examined Whole detection probes can not be inserted on memory simultaneously, access quantity to reduce by the limitation of device size, need popping one's head in and storing Setting remittance line device between device, by uniform transmission after the signal integration of multiple detection probes into memory.But due to existing universal Section is solid construction, and therefore, the remittance line device collected for signal can only be fixed on the outside of universal joint, is located at detector cabin Outside, when detector is when pipeline detection is run, often generation cable winds and line device of converging fall off or because of damaged in collision The phenomenon that, lead to the high failure rate of detector.
Therefore, the novel universal joint of one kind how is researched and developed to solve the above problems, and becomes people's urgent problem to be solved.
Summary of the invention
In consideration of it, the present disclosure provides a kind of pipe detector hollow universal joints and its connector, at least to solve Certainly existing detector has that rotation angle is small, can not protect to communication cable with universal joint, cause to be easy to happen clamping stagnation with And the problems such as failure.
One aspect of the present invention provides a kind of hollow universal joint of pipe detector, which includes: two ten thousand To unit 1 and the connector sleeve 2 for symmetrically connecting two universal units 1;
Each universal unit 1 includes: 11, two flanges 12 of link block and four shafts 13;
The channel for being internally provided with perforation both ends of the link block 11, in one end opposing sidewalls of the link block 11 It is coaxially arranged with first shaft hole 111 respectively, is coaxially arranged with second respectively in the other end opposing sidewalls of the link block 11 Axis hole 112, and the axis of two second axis holes 112 is vertical with the axis of two first shaft holes 111;
Each flange 12 includes: ring flange 121, is symmetrically arranged with axially outward on the ring flange 121 Two connecting plates 122 extended are provided with third axis hole 1221 on each connecting plate 122;
Two flanges 12 are set in outside the both ends of the link block 11 by two connecting plates 122 respectively, And the third axis hole 1221 in end flange 12 and 111 position of first shaft hole in the link block 11 correspond, the other end 112 position of the second axis hole in third axis hole 1221 and the link block 11 in flange 12 corresponds;
Two shafts 13 are respectively arranged in first shaft hole 111 and position in the link block 11 and correspond to third axis hole In 1221, shaft 13 described in another two is respectively arranged in the corresponding third of the second axis hole 112 and position in the link block 11 In axis hole 1221, the link block 11 and the flange 12 at both ends are rotatablely connected;
The connector sleeve 2 is located between two universal units 1, in described 2 one end of connector sleeve and the universal unit 1 in side Flange 12 be fixedly connected, the other end is fixedly connected with the flange 12 in the universal unit 1 in the other side.
It is preferred that the ring flange 121 in each flange 12 is spliced to form by two ring flange units 1211, Mei Gesuo The center for stating ring flange unit 1221 is provided with the connecting plate 122 extended axially outwardly.
It is further preferably, uniformly distributed on each ring flange unit 1211 that there are four through-holes 12111.
Further preferably, the side wall of each shaft 13 is circumferentially provided with the shaft shoulder 131 extended radially outward, And the shaft shoulder 131 is held between the link block 11 and the connecting plate 122 of the flange 12.
Further preferably, the outside of the 11 both ends first shaft hole 111 of link block and the second axis hole 112 is provided with heavy Hole, and the aperture of the counterbore is matched with the outer diameter of the shaft shoulder 131.
Further preferably, the link block 11 is octagonal block cylinder, has two pairs of opposing sidewalls, wherein a pair of of opposite side One end of wall is coaxially arranged with first shaft hole 111, and other end end is provided with the groove 113 being recessed axially inward, another pair One end end of opposing sidewalls is provided with the groove 114 being recessed axially inward, and the other end is coaxially arranged with the second axis hole 112.
Another aspect of the present invention additionally provides a kind of pipe detector connector, which includes: universal joint A, converges Line device B, bus cable C and a plurality of probe cable D;
The universal joint A is the hollow universal joint of any one of the above;
The remittance line device B is located in the universal joint A, and is fixedly connected with the inner wall of connector sleeve 2 in the universal joint A;
Described one end bus cable C penetrates in the universal joint A, connect with the output end for converging line device B, the other end is set It is equipped with the total connector C1 of signal;
The a plurality of probe cable D is set side by side, and one end of every probe cable D penetrates in the universal joint A, It is connect with the input terminal for converging line device B, the other end is provided with probe plug D1.
It is preferred that the total connector C1 and probe plug D1 of signal is pressure-resistant cable connector.
The hollow universal joint of pipe detector provided by the invention, the universal joint are to be symmetrical arranged structure by two universal units At each universal unit is constituted by link block and by the flange that shaft is rotatably connected on link block both ends, therefore, macro Viewing, the universal joint are made of universal rotational structure (universal unit) at two;It is microcosmic to see, two are equipped in each universal unit A rotational structure, and then increase substantially the rotation angle of the universal joint, with meet pipe detector pass through in the duct it is all kinds of Posture demand when elbow, and in order to meet the requirement of wiring communication, the present invention attempts for the first time to gimbal design to be hollow Structure realizes the protection to cable.
Above-mentioned hollow universal joint is used in pipe detector connector provided by the invention, is consolidated by that will converge line device It realizes the protection to remittance line device and cable in hollow universal joint, reduces failure rate in Dingan County.
The hollow universal joint of pipe detector provided by the invention has structure simple, and design is rationally, easy to use, rotation The advantages that gyration is big, strong applicability, can shield to cable.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The present invention can be limited to disclose.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the present invention discloses the hollow universal joint of a kind of pipe detector that embodiment provides;
Fig. 2 is the structural representation that the present invention discloses a kind of pipe detector flange in hollow universal joint that embodiment provides Figure;
Fig. 3 is the knot that the present invention discloses a kind of pipe detector ring flange unit in hollow universal joint that embodiment provides Structure schematic diagram;
Fig. 4 is the main view that the present invention discloses a kind of pipe detector link block in hollow universal joint that embodiment provides Figure;
Fig. 5 is the left view that the present invention discloses a kind of pipe detector link block in hollow universal joint that embodiment provides Figure;
Fig. 6 is the right view that the present invention discloses a kind of pipe detector link block in hollow universal joint that embodiment provides Figure;
Fig. 7 is the structural representation that the present invention discloses a kind of pipe detector shaft in hollow universal joint that embodiment provides Figure;
Fig. 8 is the structural schematic diagram of pipe detector connector in the prior art;
Fig. 9 is the structural schematic diagram that the present invention discloses a kind of pipe detector connector that embodiment provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device being described in detail in claims, some aspects of the invention are consistent.
It is small in the presence of rotation angle with hollow universal joint to solve existing pipe detector, lead to not meet by pipeline Posture demand when all kinds of elbows, the problems such as being easy to appear clamping stagnation.In consideration of it, present embodiment provides a kind of novel universal Section structure, since pipe detector needs to carry out data transmission by cable, is based on this to be specially adapted for pipe detector The applicability of special installation, it is hollow structure that the present embodiment, which is put forward for the first time gimbal design,.
Specifically, referring to Fig. 1, the universal joint is integrally in symmetrical structure, by two universal units 1 and a connector sleeve 2 are constituted, and each universal unit 1 is made of 11, two flanges 12 of link block and four shafts 13, wherein link block 11 It is internally provided with the channel at perforation both ends, is coaxially arranged with first shaft hole 111 respectively in one end opposing sidewalls of link block 11, It is coaxially arranged with the second axis hole 112, and the axis of two the second axis holes 112 respectively in the other end opposing sidewalls of link block 11 It is vertical with the axis of two first shaft holes 111.Referring to fig. 2, each flange 12 includes ring flange 121, right on ring flange 121 Title is provided with two connecting plates 122 extended axially outwardly, is provided with third axis hole 1221 on each connecting plate 122, joins See that Fig. 1, two flanges 12 are set in outside the both ends of link block 11 by two connecting plates 122 respectively, and in end flange 12 Third axis hole 1221 and link block 11 in 111 position of first shaft hole correspond, the third axis hole in another end flanges 12 1221 correspond with 112 position of the second axis hole in link block 11, two 13 companies of being respectively arranged in of shaft in four shafts It connects first shaft hole 111 and position in block 11 to correspond in third axis hole 1221, another two shaft 13 is respectively arranged in link block 11 In in the corresponding third axis hole 1221 of the second axis hole 112 and position, link block 11 and the flange 12 at both ends are rotatablely connected, even It is provided with screw hole on the both ends end face of female connector 2, which is located between two universal units 1,2 one end of connector sleeve and side Flange 12 in universal unit 1 is bolted to connection, and the flange 12 in the other end and the universal unit 1 in the other side is also by spiral shell Bolt is fixedly connected.
Universal joint in the embodiment above in use, pass through two function sections in the flange and detector at both ends respectively It is fixedly connected, when detector is when pipeline expert walks and runs, universal joint is walked together with detector, when by curved in pipeline When head, since the universal joint is symmetrically to be connected and composed by two universal units by connector sleeve, and each universal unit is It is constituted by link block and by the flange that shaft is rotatably connected on link block both ends, and link block both ends shaft is vertically to set It sets, the rotation angle of the universal joint can be increased substantially, 30 ° of rotation angles of general universal joint can not only be expanded to 60 °, and And can also realize bidirectional rotation, with meet pipe detector in the duct by all kinds of elbows when posture demand, avoid out Existing catching phenomenon.In addition, in the embodiment above each building block of universal joint be it is hollow, to constitute the hollow of universal joint Structure, when in use, the communication cable of each function section may be provided in universal joint in connecting detection device, avoid cable winds, Realize the protection to communication cable.
The installation and removal of above-mentioned hollow universal joint for convenience referring to fig. 2, Fig. 3, will as the improvement of technical solution Ring flange 121 in flange 12 is designed as being spliced to form by two ring flange units 1211, in each ring flange unit 1221 Centre is provided with the connecting plate 122 extended axially outwardly;It is designed by the separate structure of above-mentioned ring flange, becomes the flange Divide valve flange, when needing universal joint to dismantle, it is only necessary to dismantle the valve ring flange unit in a side flange, so that it may remove entire Universal joint realizes the separation of two sections before and after detector.
Four through-holes need to be only arranged on each ring flange unit 1211 in connection of the ring flange as two sections before and after detector 12111 can realize the fastness of connection, while also facilitate installation.
It is all on the side wall edge of shaft 13 referring to Fig. 7 as the improvement of technical solution for the structure of the above-mentioned universal joint of simplification To when being provided with the shaft shoulder 131 extended radially outward, and installing, which is held on the company of link block 11 Yu flange 12 Between fishplate bar 122, to realize to the axial limiting of shaft, prevent play, avoids the unexpected abjection of shaft, pass through the shaft shoulder Design, the structure of universal joint can be simplified, carry out shaft installation when, without using any fixed device.
As the cooperation of the shaft shoulder in above-mentioned shaft, as the improvement of technical solution, in 11 both ends first shaft hole 111 of link block It is provided with counterbore with the outside of the second axis hole 112, and the aperture of counterbore is matched with the outer diameter of the shaft shoulder 131, when installation, shaft The shaft shoulder can be located exactly in the counterbore, and avoiding the presence due to the shaft shoulder from causing between link block and flange, there are biggish gaps.
Link block can choose various structures in above-mentioned universal joint, present solution provides a kind of specific structure of link block, Referring to fig. 4, Fig. 5 and Fig. 6, the link block 11 are octagonal block cylinder, have two pairs of opposing sidewalls, wherein a pair of of opposing sidewalls One end be coaxially arranged with first shaft hole 111, other end end is provided with the groove 113 being recessed axially inward, another pair phase The groove 114 being recessed axially inward is provided with to one end end of side wall, the other end is coaxially arranged with the second axis hole 112, will Link block is set as octagonal structure and is on the one hand to beauty, on the other hand can reduce the presence of 90 ° of wedge angles, avoids damage of colliding with Wound, the design of groove is primarily to reduce the overall weight of universal joint, due to the row of detector and universal joint in pipeline Walking operation is that, by reducing the weight of universal joint, can be reduced electricity consumption by power supply power supply, reach energy-efficient purpose.
The present embodiment provides a kind of pipe detector connector, is existing connector, the connector referring to Fig. 8 The middle universal joint A used for existing general universal joint, due to inside be solid construction, converge line device B, bus cable C with And probe cable D is all disposed within the outside of universal joint, when the connector communication with detection device is together when pipeline expert walks and runs, holds Cable winds easily occur, or generation remittance line device is inadvertently fallen off, the problems such as damaging of colliding with.Therefore, referring to Fig. 9, the present embodiment In, connector is designed as being made of universal joint A, remittance line device B, bus cable C and a plurality of probe cable D, wherein universal joint A is the hollow universal joint that the embodiment above provides, since universal joint A is hollow structure, the line device B that can will converge is set It sets in the inside of universal joint A, and is fixedly connected with the inner wall of connector sleeve 2 in universal joint A, the one end bus cable C penetrates universal joint A It is interior, it is connect with the output end of remittance line device B, the other end is provided with the total connector C1 of signal, and a plurality of probe cable D is set side by side, and every One end of probe cable D penetrates in universal joint A, connect with the input terminal of remittance line device B, the other end is provided with probe plug D1;It is designed by the structure of above-mentioned connector, the inner space of universal joint can be made full use of, and cable and line device of converging played good Good protective effect improves the safety of detector, reduces failure rate.
Connector in above scheme is in use, the probe plug for cable of popping one's head in is inserted into corresponding probe, by bus Connector incoming memory, the mechanical connection that then flange at universal joint both ends is fixed with corresponding function section respectively, makes Cable is completely encapsulated in the inside of universal joint
Connection in order to facilitate the connector and probe and memory always connects signal as the improvement of technical solution Head C1 and probe plug D1 are both designed as pressure-resistant cable connector.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are wanted by right It asks and points out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.

Claims (8)

1. a kind of hollow universal joint of pipe detector characterized by comprising two universal units (1) and by two institutes State the connector sleeve (2) that universal unit (1) symmetrically connects;
Each universal unit (1) includes: link block (11), two flanges (12) and four shafts (13);
The channel for being internally provided with perforation both ends of the link block (11), in one end opposing sidewalls of the link block (11) It is coaxially arranged with first shaft hole (111) respectively, is coaxially arranged with respectively in the other end opposing sidewalls of the link block (11) Second axis hole (112), and the axis of two second axis holes (112) is vertical with the axis of two first shaft holes (111);
Each flange (12) includes: ring flange (121), be symmetrically arranged on the ring flange (121) along axial direction to Two connecting plates (122) of outer extension are provided with third axis hole (1221) on each connecting plate (122);
Two flanges (12) are set in outside the both ends of the link block (11) by two connecting plates (122) respectively Portion, and the third axis hole (1221) in end flange (12) and first shaft hole (111) position in the link block (11) are one by one It is corresponding, the second axis hole (112) position one in third axis hole (1221) and the link block (11) in another end flanges (12) One is corresponding;
Two shafts (13) are respectively arranged in first shaft hole (111) and position in the link block (11) and correspond to third axis In hole (1221), shaft described in another two (13) is respectively arranged in the second axis hole (112) and position in the link block (11) In corresponding third axis hole (1221), the flange (12) at the link block (11) and both ends is rotatablely connected;
The connector sleeve (2) is located between two universal units (1), described connector sleeve (2) one end and the universal unit in side (1) flange (12) in is fixedly connected, and the other end is fixedly connected with the flange (12) in the universal unit in the other side (1).
2. the hollow universal joint of pipe detector according to claim 1, which is characterized in that in each flange (12) Ring flange (121) is spliced to form by two ring flange units (1211), and the center of each ring flange unit (1221) is It is provided with the connecting plate (122) extended axially outwardly.
3. the hollow universal joint of pipe detector according to claim 2, which is characterized in that each ring flange unit It is (1211) uniformly distributed on that there are four through-hole (12111).
4. the hollow universal joint of pipe detector according to claim 1, which is characterized in that the side of each shaft (13) Wall is circumferentially provided with the shaft shoulder (131) extended radially outward, and the shaft shoulder (131) is held on the link block (11) Between the connecting plate (122) of the flange (12).
5. the hollow universal joint of pipe detector according to claim 4, which is characterized in that link block (11) both ends Counterbore, and the aperture of the counterbore and the shaft shoulder (131) are provided on the outside of one axis hole (111) and the second axis hole (112) Outer diameter matching.
6. the hollow universal joint of pipe detector according to claim 1, which is characterized in that the link block (11) is illiciumverum Block cylinder has two pairs of opposing sidewalls, wherein one end of a pair of of opposing sidewalls is coaxially arranged with first shaft hole (111), the other end End is provided with the groove (113) being recessed axially inward, and one end end of another pair opposing sidewalls is provided with axially inward The groove (114) of recess, the other end are coaxially arranged with the second axis hole (112).
7. a kind of pipe detector connector characterized by comprising universal joint (A), remittance line device (B), bus cable (C) And a plurality of probe cable (D);
The universal joint (A) is any one hollow universal joint described in claim 1-6;
The remittance line device (B) is located in the universal joint (A), and fixes and connect with the inner wall of connector sleeve (2) in the universal joint (A) It connects;
Described bus cable (C) one end penetrates in the universal joint (A), connect with the output end for converging line device (B), the other end It is provided with the total connector of signal (C1);
The a plurality of probe cable (D) is set side by side, and one end of every probe cable (D) penetrates the universal joint (A) It is interior, it is connect with the input terminal for converging line device (B), the other end is provided with probe plug (D1).
8. pipe detector connector according to claim 7, which is characterized in that the total connector of signal (C1) and described Probe plug (D1) is pressure-resistant cable connector.
CN201910276497.2A 2019-04-08 2019-04-08 Hollow universal joint for pipeline detector and connector thereof Active CN109882516B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910276497.2A CN109882516B (en) 2019-04-08 2019-04-08 Hollow universal joint for pipeline detector and connector thereof

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CN201910276497.2A CN109882516B (en) 2019-04-08 2019-04-08 Hollow universal joint for pipeline detector and connector thereof

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CN109882516B CN109882516B (en) 2024-01-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111786329A (en) * 2020-07-13 2020-10-16 四川恩帝奕科技有限公司 Hollow universal joint for pipeline detector and connector thereof
CN114630572A (en) * 2022-05-12 2022-06-14 之江实验室 Fairing device with quick-release structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103224A (en) * 2004-11-17 2008-01-09 Tdw离岸服务公司 An articulated assembly for pipelines and a joint device
CN103591160A (en) * 2013-11-23 2014-02-19 清华大学 Oil and gas pipeline defect internal detector universal joint
CN204458887U (en) * 2014-12-22 2015-07-08 中国石油天然气集团公司 A kind of pipe detector universal joint
CN209856252U (en) * 2019-04-08 2019-12-27 沈阳仪表科学研究院有限公司 Hollow universal joint for pipeline detector and connector thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103224A (en) * 2004-11-17 2008-01-09 Tdw离岸服务公司 An articulated assembly for pipelines and a joint device
CN103591160A (en) * 2013-11-23 2014-02-19 清华大学 Oil and gas pipeline defect internal detector universal joint
CN204458887U (en) * 2014-12-22 2015-07-08 中国石油天然气集团公司 A kind of pipe detector universal joint
CN209856252U (en) * 2019-04-08 2019-12-27 沈阳仪表科学研究院有限公司 Hollow universal joint for pipeline detector and connector thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111786329A (en) * 2020-07-13 2020-10-16 四川恩帝奕科技有限公司 Hollow universal joint for pipeline detector and connector thereof
CN114630572A (en) * 2022-05-12 2022-06-14 之江实验室 Fairing device with quick-release structure

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