CN205403750U - Internal diameter of pipeline reducing detection device - Google Patents

Internal diameter of pipeline reducing detection device Download PDF

Info

Publication number
CN205403750U
CN205403750U CN201620256755.2U CN201620256755U CN205403750U CN 205403750 U CN205403750 U CN 205403750U CN 201620256755 U CN201620256755 U CN 201620256755U CN 205403750 U CN205403750 U CN 205403750U
Authority
CN
China
Prior art keywords
supporting mechanism
slide rail
internal diameter
spring
pipeline
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.)
Expired - Fee Related
Application number
CN201620256755.2U
Other languages
Chinese (zh)
Inventor
庄鑫财
肖蕾
刘克江
祁伟
罗国娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Polytechnic Normal University
Original Assignee
Guangdong Polytechnic Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Polytechnic Normal University filed Critical Guangdong Polytechnic Normal University
Priority to CN201620256755.2U priority Critical patent/CN205403750U/en
Application granted granted Critical
Publication of CN205403750U publication Critical patent/CN205403750U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an internal diameter of pipeline reducing detection device, its characterized in that: constitute by supporting mechanism, linear slide rail subassembly, drive arrangement, the supporting mechanism be the planar four -bar mechanism form, the stiff end fixed mounting of supporting mechanism is in the slide rail one end of linear slide rail subassembly, the expansion end installation of supporting mechanism is fixed on the slider of linear slide rail subassembly, still be equipped with the spring between drive arrangement and the slider, this spring is hugged closely and is promoted the slider forward, makes the supporting mechanism keep outwards expanding the state, still be equipped with linear displacement sensor between expansion end and stiff end. The utility model discloses not restricted by pipe inner wall material, coarse degree, can static surveys buret say internal diameter or pass through the pipeline inspection internal diameter of the pipeline change.

Description

A kind of internal diameter of the pipeline reducing diameter detecting device
Technical field
This utility model relates to a kind of internal diameter of the pipeline measurement apparatus, particularly relates to a kind of internal diameter of the pipeline reducing diameter detecting device.
Background technology
Pipeline is conveying dangerous liquid and gas the most safely and effectively mode.Along with the prolongation of pipeline service time, pipeline problem of aging becomes increasingly conspicuous, and pipe safety operation problem is increasingly subject to people's attention.According to domestic and international pipeline accident analysis of statistical data, early stage that pipeline puts into operation and later stage are the high-incidence seasons of accident, the particularly later stage, the perforation leakage accident that pipeline causes because of corrosion failure happens occasionally, and the probability that pipeline accident occurs is as the increase of conduit running time and sharply increases.In China, most pipelines all have more than 20 year, have arrived the high-incidence season of accident, it is necessary to take appropriate measures the generation with Accident prevention.The degree of roughness of detected inner-walls of duct, material, based on laser detection, are had certain requirement by current internal diameter of the pipeline detection major technique, and therefore internal diameter of the pipeline photoelectric detecting method has certain limitation.
Utility model content
The purpose of this utility model is to provide one and is not limited by pipeline inner wall material matter, degree of roughness, can static measurement internal diameter of the pipeline or crossing pipeline detection internal diameter of the pipeline change internal diameter of the pipeline reducing diameter detecting device.
For achieving the above object, this utility model be the technical scheme is that a kind of internal diameter of the pipeline reducing diameter detecting device, it is characterized in that: be made up of supporting mechanism, line slide rail assembly, driving device, described supporting mechanism is four-bar linkage form, the fixing end of supporting mechanism is fixedly mounted on slide rail one end of line slide rail assembly, and the movable end of supporting mechanism is fixed on the slide block of line slide rail assembly;Being additionally provided with spring between driving device and slide block, this spring is close to and promotes slide block forward, makes supporting mechanism remain out expansion state;It is additionally provided with linear displacement transducer between movable end and fixing end.
Preferably, described supporting mechanism is constituted by fixing end, movable end, support arm and connecting rod, and described support arm and connecting rod are arranged in pairs with slide rail axisymmetrical respectively;One end of described connecting rod is hinged with slide rail, hinged in the middle part of the other end and support arm;One end of support arm is hinged with slide block, and the other end and omni-directional wheel are hinged.
Preferably, described driving device is made up of motor, screw component and spring pushing block, and screw component is arranged on motor output shaft, and lead screw assembly is connected with spring pushing block afterbody, and spring housing is connected on spring pushing block.
Preferably, described motor is motor.
Preferably, pad and pressure transducer it are additionally provided with between described slide block and spring.
Beneficial effect
This utility model is by adopting motor driving spring, opening support arm makes it be close to tube wall, and measure slider displacement numerical value by linear displacement transducer, thus obtaining the version of caliber accurate size, allow the operator to the diameter number of degrees being accurately read in caliber, ensure the stability of its high-accuracy and measurement simultaneously.This utility model is not limited by pipeline inner wall material matter, degree of roughness, can static measurement internal diameter of the pipeline or crossing pipeline detection internal diameter of the pipeline change.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is PIPE DIAMETER CALCULATION formula schematic diagram of the present utility model.
In figure: 1, supporting mechanism;2, driving device;21, motor;22, lead screw assembly;23, spring pushing block;3, fixing end;4, slide rail;5, movable end;6, slide block;7, spring;8, support arm;9, connecting rod;10, omni-directional wheel;11, linear displacement transducer;12, pad;13, pressure transducer.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Below in conjunction with concrete drawings and Examples, realization of the present utility model is described in detail.
A kind of internal diameter of the pipeline reducing diameter detecting device, it is characterized in that: by supporting mechanism 1 line slide track component, driving device 2 one-tenth, described supporting mechanism 1 is four-bar linkage form, fixing end 3 Dingan County of supporting mechanism 1 is contained in slide rail 4 one end of line slide rail assembly, and the movable end 5 of supporting mechanism 1 is fixed on the slide block 6 of line slide rail assembly;Being additionally provided with spring 7 between driving device 2 and slide block 6, this spring 7 is close to and promotes slide block forward, makes supporting mechanism 1 remain out expansion state;It is additionally provided with linear displacement transducer 11 between movable end 5 and fixing end 3.
Preferably, described supporting mechanism 1 is made up of fixing end 3, movable end 5, support arm 8 and connecting rod 9, and described support arm 8 and connecting rod 9 are arranged in pairs with slide rail 4 axisymmetrical respectively;One end of described connecting rod 9 is hinged with slide rail 4, hinged in the middle part of the other end and support arm 8;One end of support arm 8 is hinged with slide block 6, and the other end and omni-directional wheel 10 are hinged.
Preferably, described driving device 2 is made up of motor 21, lead screw assembly 22 and spring pushing block 23, and lead screw assembly 22 is arranged on motor 21 output shaft, and lead screw assembly 22 is connected with spring pushing block 23 afterbody, and spring 7 is socketed on spring pushing block 23.
Preferably, described motor 21 is motor.
Preferably, pad 12 and pressure transducer 13 it are additionally provided with between described slide block 6 and spring 7.
Embodiment
As shown in Figure 1, its motion flow: in device pushing pipe, open pipeline inner diameter measurement program, motor 21 drives lead screw assembly 22 rotation forces spring pushing block 23 displacement, while spring 7 is compressed, supporting mechanism 1 starts to spread out, and in spring 7 slide block progradation, spring 7 pressure constantly increases, can determine that when spring 7 pressure is more than certain value omni-directional wheel 10 part has been adjacent to inner-walls of duct, read linear displacement transducer data and can calculate internal diameter of the pipeline.
As shown in Fig. 2 institute, m, n, L are known fixed values, and the data obtained from linear displacement transducer 11 can try to achieve X, ifThen haveIf the diameter of omni-directional wheel is d0, the distance at support section spindle central and device center is d1, then the internal diameter (diameter) of pipeline is D=2*y+d0+d1.
The above embodiments are only preferred embodiment of the present utility model, it is impossible to limit interest field of the present utility model with this, therefore, according to the equivalent variations that this utility model claim is made, still belong to the scope that this utility model is contained.

Claims (5)

1. an internal diameter of the pipeline reducing diameter detecting device, it is characterized in that: be made up of supporting mechanism (1), line slide rail assembly, driving device (2), described supporting mechanism (1) is four-bar linkage form, the fixing end (3) of supporting mechanism (1) is fixedly mounted on slide rail (4) one end of line slide rail assembly, and the movable end (5) of supporting mechanism (1) is fixed on the slide block (6) of line slide rail assembly;Being additionally provided with spring (7) between driving device (2) and slide block (6), this spring (7) is close to and promotes slide block forward, makes supporting mechanism (1) remain out expansion state;It is additionally provided with linear displacement transducer (11) between movable end (5) and fixing end (3).
2. a kind of internal diameter of the pipeline reducing diameter detecting device according to claim 1, it is characterized in that: described supporting mechanism (1) is made up of fixing end (3), movable end (5), support arm (8) and connecting rod (9), described support arm (8) and connecting rod (9) are arranged in pairs with slide rail (4) axisymmetrical respectively;One end of described connecting rod (9) is hinged with slide rail (4), and the other end is hinged with support arm (8) middle part;One end of support arm (8) is hinged with slide block (6), and the other end and omni-directional wheel (10) are hinged.
3. a kind of internal diameter of the pipeline reducing diameter detecting device according to claim 1, it is characterized in that: described driving device (2) is made up of motor (21), lead screw assembly (22) and spring pushing block (23), lead screw assembly (22) is arranged on motor (21) output shaft, lead screw assembly (22) is connected with spring pushing block (23) afterbody, and spring (7) is socketed on spring pushing block (23).
4. a kind of internal diameter of the pipeline reducing diameter detecting device according to claim 3, it is characterised in that: described motor (21) is motor.
5. a kind of internal diameter of the pipeline reducing diameter detecting device according to claim 1, it is characterised in that: it is additionally provided with pad (12) pressure transducer (13) between described slide block (6) and spring (7).
CN201620256755.2U 2016-03-29 2016-03-29 Internal diameter of pipeline reducing detection device Expired - Fee Related CN205403750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620256755.2U CN205403750U (en) 2016-03-29 2016-03-29 Internal diameter of pipeline reducing detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620256755.2U CN205403750U (en) 2016-03-29 2016-03-29 Internal diameter of pipeline reducing detection device

Publications (1)

Publication Number Publication Date
CN205403750U true CN205403750U (en) 2016-07-27

Family

ID=56418976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620256755.2U Expired - Fee Related CN205403750U (en) 2016-03-29 2016-03-29 Internal diameter of pipeline reducing detection device

Country Status (1)

Country Link
CN (1) CN205403750U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595468A (en) * 2016-12-19 2017-04-26 重庆科技学院 Apparatus for testing radial deformation of inner pore of built-in rock sample
CN107328353A (en) * 2017-06-19 2017-11-07 中交二航局第四工程有限公司安徽分公司 Beam tube road inspection hole device and its application method in prefabricated case beam body
CN107462140A (en) * 2017-06-19 2017-12-12 中交二航局第四工程有限公司安徽分公司 A kind of equipment and its application method of the inner-walls of duct of detection in real time
CN107703162A (en) * 2017-09-30 2018-02-16 江苏瑞腾涂装科技有限公司 A kind of detection means of pipe internal coating
CN109469115A (en) * 2018-12-04 2019-03-15 福建博海工程技术有限公司 A kind of ultrasound examination carrier of bridge pile foundation
CN110778790A (en) * 2019-11-05 2020-02-11 成秀东 Intelligent pipeline laying method
CN111060034A (en) * 2019-12-31 2020-04-24 中国水利水电第八工程局有限公司 Cable guide central axis positioning device and cable guide central axis deviation measuring method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595468A (en) * 2016-12-19 2017-04-26 重庆科技学院 Apparatus for testing radial deformation of inner pore of built-in rock sample
CN107328353A (en) * 2017-06-19 2017-11-07 中交二航局第四工程有限公司安徽分公司 Beam tube road inspection hole device and its application method in prefabricated case beam body
CN107462140A (en) * 2017-06-19 2017-12-12 中交二航局第四工程有限公司安徽分公司 A kind of equipment and its application method of the inner-walls of duct of detection in real time
CN107703162A (en) * 2017-09-30 2018-02-16 江苏瑞腾涂装科技有限公司 A kind of detection means of pipe internal coating
CN109469115A (en) * 2018-12-04 2019-03-15 福建博海工程技术有限公司 A kind of ultrasound examination carrier of bridge pile foundation
CN109469115B (en) * 2018-12-04 2020-11-20 福建博海工程技术有限公司 Ultrasonic detection carrier for bridge pile foundation
CN110778790A (en) * 2019-11-05 2020-02-11 成秀东 Intelligent pipeline laying method
CN111060034A (en) * 2019-12-31 2020-04-24 中国水利水电第八工程局有限公司 Cable guide central axis positioning device and cable guide central axis deviation measuring method
CN111060034B (en) * 2019-12-31 2021-12-24 中国水利水电第八工程局有限公司 Cable guide central axis positioning device and cable guide central axis deviation measuring method

Similar Documents

Publication Publication Date Title
CN205403750U (en) Internal diameter of pipeline reducing detection device
CN107598069B (en) Chain lacks a detection device
CN103195412A (en) Mechanical underground caliper probe and application method
CN102759564B (en) A kind of variable diameter pipe external magnetic memory detection device
CN104654979A (en) Water drainage pipeline internal diameter detector
CN1225634C (en) Reducing detector
CN203758488U (en) Long pipe inner diameter measuring device
CN205506815U (en) Nondestructive test equipment for circular rods and circular pipe metal materials
CN102221519A (en) Direct-reading dust concentration detector
CN102635385B (en) Simulation test device for testing on-way ventilation frictional resistance coefficient of curved tunnel
CN205538550U (en) Gaseous dynamic close measuring device
CN204115782U (en) Oil recovery winding pipe flow rate metering device
CN104677241A (en) Pccp pipe diameter measuring device
CN107764214A (en) A kind of flexible bearing outside diameter measuring fixture and its method of work
CN104515485A (en) Novel pressure type pneumatic sensor
CN108413919B (en) Pipeline drift diameter detection device
CN204881594U (en) Oil and natural gas pipe inner wall shape measuring equipment
CN207456683U (en) A kind of fixture of differential pressure pick-up caliberating device
CN109268691B (en) System for automatically prejudging leakage of volatile chemical medium pipeline
CN206609830U (en) One kind is used for pipeline corrosion ultrasonic scanning device
CN202794107U (en) Variable diameter pipe outside magnetic memory detection device
CN201754120U (en) Fuel pump elbow blockage detector
CN204555894U (en) A kind of transport pipeline internal diameter high speed detector
CN106153542B (en) Tube performance detection device
CN204556554U (en) A kind of on-line water flushing device of pressurized air humidity

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160727

Termination date: 20170329