CN201058424Y - On-line altering device of ultrasonic transducer - Google Patents

On-line altering device of ultrasonic transducer Download PDF

Info

Publication number
CN201058424Y
CN201058424Y CNU2007200717683U CN200720071768U CN201058424Y CN 201058424 Y CN201058424 Y CN 201058424Y CN U2007200717683 U CNU2007200717683 U CN U2007200717683U CN 200720071768 U CN200720071768 U CN 200720071768U CN 201058424 Y CN201058424 Y CN 201058424Y
Authority
CN
China
Prior art keywords
transducer
ultrasonic transducer
adjusting rod
fixture
nut
Prior art date
Application number
CNU2007200717683U
Other languages
Chinese (zh)
Inventor
石泓然
朱琦
Original Assignee
上海维思仪器仪表有限公司
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 上海维思仪器仪表有限公司 filed Critical 上海维思仪器仪表有限公司
Priority to CNU2007200717683U priority Critical patent/CN201058424Y/en
Application granted granted Critical
Publication of CN201058424Y publication Critical patent/CN201058424Y/en

Links

Abstract

Disclosed is an online replacement device of an ultrasonic transducer, which relates to the ultrasonic transducer online replacement device manufacturing technique, and can be used for the online replacement or maintenance of the ultrasonic transducer by a gas ultrasonic flowmeter under the operating condition. The utility model is mainly composed of an anti-explosion cover (1), a transducer fixing device (3) and a detacher (6), the transducer fixing device (3) fixes the ultrasonic transducer (4) in a short check hole (5), and the anti-explosion cover (1) ensures the safe and stable operation of the ultrasonic transducer (4) and plays a role in explosion prevention. The detacher (6) can on-line detach and mount the ultrasonic transducer (4). The utility model has advantages of simple structure, convenient operation, safety and reliability, small occupying space, beautiful appearance and convenient demounting and mounting, and can implement the online replacement or maintenance to the ultrasonic transducer under the operating condition of rather high pressure in the pipeline, in addition, the utility model can ensure the invariable installation position of the ultrasonic transducer before and after the demounting by adopting location steps for limitation, thereby ensuring the measuring precision of the flowmeter.

Description

The online more changing device of ultrasonic transducer

Technical field

The online more changing device of ultrasonic transducer relates to the manufacturing technology of the online more changing device of ultrasonic transducer, can be used to the gas ultrasonic flowmeter and under the operating mode situation ultrasonic transducer be carried out online replacing or maintenance.

Background technology

Use ubiquity for existing gas ultrasonic flowmeter compares situation of difficult to the replacing and the maintenance work at ultrasonic transducer scene at present, when carrying out the instrument maintenance or cleaning ultrasonic transducer, need to stop the supple of gas or steam in the pipeline and operate, yet for the ultrasonic transducer of those larger caliber, the loss that the operation of stopping the supple of gas or steam is brought is huge.Manufacturers more both domestic and external have also considered above factor manufacturing and designing the ultrasonic flow rate timing, portioned product can have been realized the online replacing function of ultrasonic transducer, but because huge, the complex structure of these online replacing device volumes, cost performance are not high, execute-in-place gets up also very inconvenient, and some device also can't carry out the online replacing and the maintenance work of ultrasonic transducer under the elevated pressures situation.

Summary of the invention

At the deficiency that existing online replacing ultrasound transducer means exists, the utility model provides a kind of safe and reliable, simple in structure, easy operating, the higher online more changing device of ultrasonic transducer of cost performance.

The utility model is mainly by Explosion-proof cap, and transducer fixture and stripping attachment three parts are formed.Explosion-proof cap is fixedly installed on the rear portion of transducer fixture, is sealedly and fixedly connected together with the transducer fixture in installation or after having safeguarded ultrasonic transducer, and ultrasonic transducer can be worked with security and stability, also plays explosion-proof effect.The transducer fixture mainly is made of adapter sleeve, binding nut, ball valve, adjusting rod, airtight and watertight padding, holding screw and clamp nut, ultrasonic transducer is fixed on the front portion of adjusting rod, stretch in the device from the rear portion of transducer fixture and after passing ball valve by adjusting rod, be fixed on the front end of transducer fixture by screw thread, the nut that links closely is fixed together transducer fixture and detection hole, detect be provided with in the hole positioning step carry out spacing, thereby guarantee that ultrasonic transducer remains unchanged its detection position before and after dismounting.The socket that the working cable of establishing in the adjusting rod will be fixed on the adjusting rod rear portion be connected with ultrasonic transducer insulated terminal be communicated with, external cable is connected with socket by Explosion-proof cap.Stripping attachment is by the dismounting adjusting rod, dismounting gland screw rod and binding nut constitute, the binding nut activity is fixed on the front portion of dismounting adjusting rod, dismounting gland screw rod is sleeved on outside the dismounting adjusting rod, during online replacing transducer, must unload the Explosion-proof cap at transducer fixture rear portion earlier, stripping attachment in the connection, by binding nut will dismantle adjusting rod fixedly connected with adjusting rod be integral after, ultrasonic transducer is slowly withdrawed from from detect the hole, after ultrasonic transducer withdraws from ball valve, close ball valve immediately, to stop gas to flow out by the transducer fixture, take out ultrasonic transducer then in the transducer fixture and safeguard or more change jobs from detecting the hole.After changing or maintenance work finish, according to the step that transducer is installed, transducer is reentered into detects in the hole on the positioning step, ultrasonic transducer can begin flow measurement work by overline.

Advantage of the present utility model is: Explosion-proof cap, the transducer fixture, stripping attachment simple in structure, esy to use, safe and reliable, can be implemented under the situation that manifold pressure is not higher than 4.0Mpa ultrasonic transducer is carried out online replacing or maintenance, the operate as normal that when changing or safeguarding, can keep gas pipeline, in addition, because it is spacing to have adopted positioning step to carry out, thereby guarantee that ultrasonic transducer remains unchanged in its installation of dismounting front and back and detection position, has also guaranteed the certainty of measurement of flowmeter thus.The utlity model has many advantages such as little, the good looking appearance of taking up room, easy accessibility, can be widely used in the installation and maintenance of all gases ultrasonic transducer.

Description of drawings

Accompanying drawing is the utility model embodiment schematic diagram, wherein:

Fig. 1. Explosion-proof cap, transducer fixture schematic diagram,

Fig. 2. transducer fixture, stripping attachment schematic diagram,

Fig. 3. the structural representation of Explosion-proof cap, transducer fixture,

Fig. 4. the structural representation of transducer fixture, stripping attachment.

Explosion-proof cap 1 among the figure, vent valve 2, transducer fixture 3, ultrasonic transducer 4, detect hole 5, stripping attachment 6, clamp nut 7, socket 8, seal washer 9, ball valve 10, insulated terminal 11, adapter sleeve 12, connecting rod 13, seal washer 14, gland nut 15, holding screw 16, airtight and watertight padding 17, adjusting rod 18, binding nut 19, seal washer 20, dismounting adjusting rod 21, gland screw rod 22, nut 23 links closely.

The specific embodiment

The utility model will be further described in conjunction with the accompanying drawings.

The utility model is mainly by Explosion-proof cap 1, transducer fixture 3, and stripping attachment 6 three parts are formed.

The top of Explosion-proof cap 1 is equipped with seal washer 14, and is fixed by clamp nut 7, and cable aperture is left in the centre.Explosion-proof cap 1 install or safeguarded ultrasonic transducer 4 after be fixed on the rear portion of transducer fixture 3, between Explosion-proof cap 1 and transducer fixture 3, be provided with seal washer 9.

Transducer fixture 3 is by vent valve 2, ball valve 10, and adapter sleeve 12, connecting rod 13, clamp nut 15, holding screw 16, airtight and watertight padding 17, adjusting rod 18, binding nut 19 and sealing plain washer 20 constitute.Vent valve 2 is fixedly installed on a side of transducer fixture 3, is used for discharging when the dismounting transducer body of calming the anger that remains in the transducer fixture 3.Transducer fixture 3 is fixedlyed connected with detection hole 5 by binding nut 19, is provided with sealing plain washer 20 between transducer fixture 3 and binding nut 19, penetrates in the transducer fixture 3 to prevent water, damages transducer fixture 3; Be equipped with ball valve 10 at the middle part of transducer fixture 3, holding screw 16 prevents the loosening of gland nut 15, to guarantee the reliability and stability of sealing.Device inside is equipped with airtight and watertight padding 17, gland nut 15 is fixed airtight and watertight padding 17 and seals, and energy-dissipating and shock-absorbing also there is certain booster action, in the unloading process of transducer, has also played certain spacing effect that is not destroyed with the protection sealing surface; Being provided with cable in the adjusting rod 18 is connected with the socket 8 that is located at its rear portion being located at its anterior insulated terminal 11 that is connected with ultrasonic transducer 4; Ultrasonic transducer 4 is fixed on the front end of adjusting rod 18 by screw thread by connecting rod 13 and adapter sleeve 12, during installation, after stretching in the device and pass ball valve 10 from the rear portion of transducer fixture 3 by adjusting rod 18, adjusting rod 18 rear portions and the front end that ultrasonic transducer 4 is fixed on after clamp nut 5 is threaded transducer fixture 3, transducer fixture 3 with detect hole 5 and fixedly connected after, ultrasonic transducer 4 places on the positioning step that detects in the hole 5.

Stripping attachment 6 is dismantled gland screw rod 22 by dismounting adjusting rod 21, and binding nut 23 constitutes, and binding nut 23 activities are fixed on the front portion of dismounting adjusting rod 21, and dismounting gland screw rod 22 is sleeved on outside the dismounting adjusting rod 21, can move up and down relatively mutually.

Unloading process of the present utility model is as follows:

1. at first unload the anti-explosion cover 1 at transducer fixture 3 rear portions, stripping attachment 6 in the connection, suitably unclamp gland nut 15, and then the adjusting rod 18 that will have a ultrasonic transducer 4 screws out a part outward;

2. then will dismantle adjusting rod 21 and adjusting rod 18 links into an integrated entity with binding nut 23, then dismounting gland screw rod 22 is fixed on rear portion with transducer fixture 3 by screw thread, utilizes dismounting gland screw rod 22 and dismounting adjusting rod 21 that the adjusting rod 18 that has ultrasonic transducer 4 is slowly screwed out backward;

3. work as ultrasonic transducer 4 and withdraw from ball valve 10 after the top, ball valve 10 is closed;

4. after ball valve 10 is closed, unclamp gland nut 15, the adjusting rod 18 that stripping attachment 6 is connected ultrasonic transducers 4 unloads together, then ultrasonic transducer 4 is changed or is safeguarded that so far unloading process finishes.

Installation process of the present utility model is as follows:

1. will change or the ultrasonic transducer through safeguarding 4 is fixedly mounted on the front end of adjusting rod 18, adjusting rod 18 links into an integrated entity by binding nut 23 and dismounting adjusting rod 21, and ultrasonic transducer 4 and adjusting rod 18 are packed in the transducer fixture 3 by dismounting adjusting rod 21, with gland nut 15 suitable tightening, then stripping attachment 6 is connected on the transducer fixture 3 again;

2. open ball valve 10, ultrasonic transducer 4 and adjusting rod 18 are slowly screwed in again with the dismounting adjusting rod 21 in the stripping attachment 6;

3. when adjusting rod 18 precession gland nuts 15 screw thread places, just stripping attachment 6 can be unloaded;

4. by turn adjusting rod 18 ultrasonic transducer 4 slowly is screwed into the positioning step place of detecting hole 5, tightens gland nut 5 at last and compress airtight and watertight padding 4, plug stube cable again on socket 8, so far installation process finishes.

Claims (1)

1. the online more changing device of ultrasonic transducer, by Explosion-proof cap (1), transducer fixture (3), stripping attachment (6) is formed, it is characterized in that: the top of Explosion-proof cap (1) is equipped with seal washer (14), and is fixed by clamp nut (7), and cable aperture is left in the centre, Explosion-proof cap (1) is fixedly installed on the rear portion of transducer fixture (3), is provided with seal washer (9) between Explosion-proof cap (1) and transducer fixture (3); Transducer fixture (3) is by vent valve (2), ball valve (10), adapter sleeve (12), connecting rod (13), clamp nut (15), holding screw (16), airtight and watertight padding (17), adjusting rod (18), binding nut (19) and sealing plain washer (20) constitute, vent valve (2) is fixedly installed on a side of transducer fixture (3), transducer fixture (3) is fixedlyed connected with detection hole (5) by binding nut (19), be provided with sealing plain washer (20) between transducer fixture (3) and binding nut (19), be equipped with ball valve (10) at the middle part of transducer fixture (3), the rear portion is equipped with airtight and watertight padding (17), gland nut (15) is fixed airtight and watertight padding (17), holding screw (16) is to gland nut (15) positioning and fixing, and adjusting rod is provided with cable in (18), is connected with ultrasonic transducer (4) insulated terminal (11) that is connected and the socket that is located at its rear portion (8) circuit being located at its front portion; Ultrasonic transducer (4) is fixed on the front end of adjusting rod (18) by screw thread by connecting rod (13) and adapter sleeve (12); Stripping attachment (6) is dismantled gland screw rod (22) by dismounting adjusting rod (21), and binding nut (23) constitutes, and binding nut (23) activity is fixed on the front portion of dismounting adjusting rod (21), and dismounting gland screw rod (22) is sleeved on outside the dismounting adjusting rod (21).
CNU2007200717683U 2007-06-28 2007-06-28 On-line altering device of ultrasonic transducer CN201058424Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200717683U CN201058424Y (en) 2007-06-28 2007-06-28 On-line altering device of ultrasonic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200717683U CN201058424Y (en) 2007-06-28 2007-06-28 On-line altering device of ultrasonic transducer

Publications (1)

Publication Number Publication Date
CN201058424Y true CN201058424Y (en) 2008-05-14

Family

ID=39406877

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200717683U CN201058424Y (en) 2007-06-28 2007-06-28 On-line altering device of ultrasonic transducer

Country Status (1)

Country Link
CN (1) CN201058424Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101927475A (en) * 2010-09-19 2010-12-29 卓旦春 Device for replacing valve core
CN103884390A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Strong sealing device for online replacement of ultrasonic transducer
CN103878740A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Online replacement device for ultrasonic transducers
CN103884389A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Online replacement and precision resetting device for ultrasonic transducers
CN104015162A (en) * 2014-06-05 2014-09-03 威海市天罡仪表股份有限公司 Transducer tool capable of being mounted and dismounted under pressure
CN107290012A (en) * 2016-04-04 2017-10-24 鞍钢股份有限公司 A kind of probe of ultrasonic flowmeter assembly and disassembly methods

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101927475A (en) * 2010-09-19 2010-12-29 卓旦春 Device for replacing valve core
CN103884390A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Strong sealing device for online replacement of ultrasonic transducer
CN103878740A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Online replacement device for ultrasonic transducers
CN103884389A (en) * 2012-12-21 2014-06-25 上海一诺仪表有限公司 Online replacement and precision resetting device for ultrasonic transducers
CN103878740B (en) * 2012-12-21 2016-03-09 上海一诺仪表有限公司 The online more changing device of ultrasonic transducer
CN104015162A (en) * 2014-06-05 2014-09-03 威海市天罡仪表股份有限公司 Transducer tool capable of being mounted and dismounted under pressure
CN104015162B (en) * 2014-06-05 2015-08-19 威海市天罡仪表股份有限公司 The transducer frock of installation and removal with pressure
CN107290012A (en) * 2016-04-04 2017-10-24 鞍钢股份有限公司 A kind of probe of ultrasonic flowmeter assembly and disassembly methods

Similar Documents

Publication Publication Date Title
CN203848984U (en) Engine air cylinder cover air tightness detecting device
CN103671047A (en) Electric pump with controller and control method of electric pump
CN202305129U (en) Quick connector for air tightness test
CN101694437A (en) Water jacket and water pressure test device applying same
CN203798681U (en) Hydraulic pipe strength test system
CN207356450U (en) Multi-faceted fire-fighting fire extinguishing ball
CN202621515U (en) Efficient circulating flushing device for hydraulic pipeline
CN105319029A (en) Oil cooling AC generator housing seal test apparatus
CA2671500C (en) Pressure differential motor control system and method
CN201326869Y (en) Inflatable closure plug
CN202141502U (en) Liquid level sensor
CN203732253U (en) Pressure switch detection device
CN104198293A (en) Gas cylinder hydraulic bursting test device with functions of speed regulation and continuous water replenishing
CN202994230U (en) Dustproof and waterproof device of gaseous mass flow sensor
CN103940559A (en) Leak detection device for valve
CN204422177U (en) Pressure regulator test board
CN204154454U (en) A kind of Subzero valve tightness test device
CN101806637A (en) Adjustable armored thermocouple (resistor) with multipoint leakage resistance
CN204115975U (en) A kind of diesel cylinder sleeve device for detecting sealability
CN203349998U (en) Air impermeability detection apparatus of sealing device
CN201314854Y (en) Water seal air tightness detection device
CN202757757U (en) Device for testing rapid pressure release of rubber seal
CN108758157A (en) A kind of pipeline with pressure leak stoppage device
CN203672720U (en) Hydraulic hosebursting test device
CN102980718B (en) On-line pressure detecting method and device thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: CHINA NATIONAL NUCLEAR SHANGHAI WEISI INSTRUMENT C

Free format text: FORMER NAME: SHANGHAI WEISI INSTRUMENT INSTRUMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 200233, room 15, building 369, No. 107, Shanghai, Guilin Road

Patentee after: Shanghai China Nuclear Weisi Instrument Co., Ltd.

Address before: 200233, room 15, building 369, No. 107, Shanghai, Guilin Road

Patentee before: Shanghai Weisi Instrument Co., Ltd.

EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080514

Termination date: 20150628