CN104596750A - Device for detecting performance of a waveform expansion joint - Google Patents

Device for detecting performance of a waveform expansion joint Download PDF

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Publication number
CN104596750A
CN104596750A CN201510022003.XA CN201510022003A CN104596750A CN 104596750 A CN104596750 A CN 104596750A CN 201510022003 A CN201510022003 A CN 201510022003A CN 104596750 A CN104596750 A CN 104596750A
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CN
China
Prior art keywords
expansion joint
detection head
mount pads
drive motor
leading screw
Prior art date
Application number
CN201510022003.XA
Other languages
Chinese (zh)
Inventor
王一宁
徐锦新
刘�英
朱庆南
白玉
杨雨图
李宇廷
Original Assignee
江苏省特种设备安全监督检验研究院
航天晨光股份有限公司
南京林业大学
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 江苏省特种设备安全监督检验研究院, 航天晨光股份有限公司, 南京林业大学 filed Critical 江苏省特种设备安全监督检验研究院
Priority to CN201510022003.XA priority Critical patent/CN104596750A/en
Publication of CN104596750A publication Critical patent/CN104596750A/en

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Abstract

The invention discloses a device for detecting performance of a waveform expansion joint. The device comprises a circular arc track component peripherally arranged along the expansion joint, a lead screw axially arranged along the expansion joint, an installing component, and at least one detecting head arranged on the installing component, wherein the installing component can be moved along an arc on the track component and can drive the detecting head to peripherally rotate along the expansion joint, and the detecting head can axially move on the lead screw along the expansion joint. The device has the advantages of accurate detecting results and high measuring efficiency, thus the disadvantage of the existing technology is solved by the device. The device is characterized in that the waveform of the expansion joint is rotationally measured by the detecting head via the arc track, the device is simple and unique in structural texture, and the operating principle is easy to understand; the detecting device is provided with a sensor to prevent the detecting head and the track from being damaged.

Description

Bellows expansion joint device for detecting performance

Technical field

The present invention relates to a kind of expansion joint device for detecting performance, specifically relates to a kind of device adopting detection head to move the waveform change of rotation sweep inspection bellows expansion joint in Compression and Expansion process.

Background technology

Bellows expansion joint is made up of corrugated tube and structural member, has bit shift compensation, the function of vibration and noise reducing and sealing, is widely used in the industries such as chemical industry, petrochemical industry, metallurgy.Expansion joint requires to have higher bearing capacity, good flexibility and certain stability and fatigue lifetime.After Compression and Expansion repeatedly, if the waveform size of expansion joint produces larger deviation can produce impact greatly to its serviceability.

At present, the performance devices of special inspection bellows expansion joint is little both at home and abroad, and the vacancy in this field domestic has been filled up in the appearance of this device.

Summary of the invention

The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of waveform change utilizing detection head to move rotation sweep expansion joint is provided, and forms the device of corresponding view data for customer analysis in client.

Technical scheme of the present invention is achieved in that

A kind of bellows expansion joint device for detecting performance, at least one detection head comprising the arc-shaped rail assembly arranged along expansion joint circumference, the leading screw axially arranged along expansion joint, installation component and be located on described installation component, described installation component can move along circular arc on described rail assembly, and drive described detection head to rotate along expansion joint circumference, and described detection head can move axially along expansion joint on described leading screw.

As a further improvement on the present invention, described rail assembly comprises spaced two guide rails, and two described guide rails are equipped with chain; Described installation component comprises two mount pads of corresponding two described guide rails, and other direction stop of sliding of two described mount pad orbital directions are positioned, on corresponding guide rail, two described mount pads to be all provided with the sprocket wheel of corresponding described chain; Separately be provided with driving mechanism, described driving mechanism comprises driving shaft, the first drive motor and the second drive motor, described drive shaft turns is connected between two described mount pads, described first drive motor is selected one and is installed on two described mount pads, described second drive motor is selected one and is installed on two described mount pads, described first drive motor is in transmission connection in described driving shaft, and described driving shaft is in transmission connection in two described sprocket wheels, and two described sprocket wheels are rolled on the chain of correspondence; Described second drive motor is in transmission connection in the screw rod of described leading screw, and described leading screw is installed between two described mount pads, and described detection head is fixedly arranged on the nut of described leading screw.

As a further improvement on the present invention, the two ends place of expansion joint is interval with two risers, and two described guide rails are all fixed on two described risers by support.

As a further improvement on the present invention, described installation component also comprises the axis of guide and contiguous block, the two ends of the described axis of guide are fixedly arranged on two described mount pads, one end of described contiguous block is fixedly arranged on the nut of described leading screw, the other end of described contiguous block slides and is located on the described axis of guide, and described detection head is fixedly arranged on described contiguous block.

As a further improvement on the present invention, be provided with two described leading screws, one end docking of two described leading screws, the other end of two described leading screws is fixedly arranged on two described mount pads, corresponding each described leading screw, is provided with detection head described in the second drive motor and described in.

As a further improvement on the present invention, or/and at least one is provided with proximity transducer in two described mount pads on described detection head, described proximity transducer is electrically connected with external control system.

Compared with prior art, the invention has the beneficial effects as follows: the present invention proposes a kind of new bellows expansion joint device for detecting performance, testing result is accurate and measurement efficiency is high, solves the deficiencies in the prior art.The present invention adopts arc-shaped guide rail and leading screw to make detection head move the waveform of wheel measuring expansion joint, and equipment structural texture is simply unique, and principle of work is easily understood.Pick-up unit is provided with the damage that sensor can avoid detection head and track.

Accompanying drawing explanation

Fig. 1 is the present invention one viewing angle constructions schematic diagram;

Fig. 2 is A place structure for amplifying schematic diagram in Fig. 1;

Fig. 3 is another viewing angle constructions schematic diagram of the present invention;

Fig. 4 is driving mechanism mounting structure schematic diagram in the present invention.

By reference to the accompanying drawings, make the following instructions:

1---leading screw 2---detection head

3---guide rail 4---chain

5---mount pad 6---sprocket wheel

7---driving shaft 8---first drive motor

9---second drive motor 10---riser

11---support 12---axis of guide

13---contiguous block 14---bellows expansion joint.

Embodiment

As shown in Figure 1, Figure 2 and Figure 3, a kind of bellows expansion joint device for detecting performance, at least one detection head 2 comprising the arc-shaped rail assembly arranged along expansion joint 14 circumference, the leading screw 1 axially arranged along expansion joint, installation component and be located on described installation component, described installation component can move along circular arc on described rail assembly, and drive described detection head to rotate along expansion joint circumference, and described detection head can move axially along expansion joint on described leading screw.In said structure, moved along circular arc on rail assembly by installation component, detection head can be driven to rotate along expansion joint circumference, detection head can be realized and rotate in a circumferential direction and measure the function of waveform performance of expansion joint; Detection head can be driven to move axially along expansion joint by lead screw transmission, the function that detection head axially measures the waveform performance of expansion joint can be realized; After detection head scanning expansion joint waveform, corresponding image, data etc. can be formed for analysis in client.

As a kind of preferred implementation, installation component can move along circular arc on rail assembly, and drive detection head along expansion joint circumference rotate function and detection head can along the function that expansion joint moves axially on leading screw, realize by following structure: described rail assembly comprises on spaced two guide rails 3, two described guide rails and is equipped with chain 4; Two mount pads, 5, two described mount pad orbital directions that described installation component comprises corresponding two described guide rails other direction stop of sliding are positioned, on corresponding guide rail, two described mount pads to be all provided with the sprocket wheel 6 of corresponding described chain; Separately be provided with driving mechanism, described driving mechanism comprises driving shaft 7, first drive motor 8 and the second drive motor 9, described drive shaft turns is connected between two described mount pads, described first drive motor is selected one and is installed on two described mount pads, described second drive motor is selected one and is installed on two described mount pads, described first drive motor is in transmission connection in described driving shaft, and described driving shaft is in transmission connection in two described sprocket wheels, two described sprocket wheels are rolled on the chain of correspondence; Described second drive motor is in transmission connection in the screw rod of described leading screw, and described leading screw is installed between two described mount pads, and described detection head is fixedly arranged on the nut of described leading screw.Like this, driving shaft rotates under the driving of the first drive motor, and drive on two chains of two sprocket wheels on two tracks and roll simultaneously, two mount pads synchronous axial system on two tracks can be made, realize detection head and to rotate in a circumferential direction the function of the waveform performance measuring expansion joint.The screw rod of leading screw rotates under the driving of the second drive motor, and drive is mated nut moving axially along screw rod, detection head the moving axially along screw rod be fixed on nut can be made, moving axially namely along expansion joint, the function that detection head axially measures the waveform performance of expansion joint can be realized; Detection head scans the waveform of expansion joint and forms corresponding image, data for analytical use in client.

Preferably, the two ends place of expansion joint is interval with two risers, 10, two described guide rails and is all fixed on two described risers by support 11.In said structure, the function of two tracks positioned can be realized by two risers being arranged at expansion joint two ends place, when specifically implementing, two risers can be fixed on the device for clamping expansion joint.

Preferably, described installation component also comprises the axis of guide 12 and contiguous block 13, the two ends of the described axis of guide are fixedly arranged on two described mount pads, one end of described contiguous block is fixedly arranged on the nut of described leading screw, the other end of described contiguous block slides and is located on the described axis of guide, and described detection head is fixedly arranged on described contiguous block.By the guide effect of the axis of guide, detection head can be made more stable moving axially of leading screw, determine that measurement result is reliable.

Preferably, be provided with two described leading screws, one end docking of two described leading screws, the other end of two described leading screws is fixedly arranged on two described mount pads, and corresponding each described leading screw, is provided with detection head described in the second drive motor and described in.During concrete enforcement, leading screw and the second drive motor respectively establish one on two mount pads, and a described detection head established by corresponding each leading screw, docking in the middle of two leading screws, can carry out independent control respectively detect the pitch of waves of two place's expansion joints.

Preferably, described detection head is or/and at least one is provided with proximity transducer in two described mount pads, and described proximity transducer is electrically connected with external control system.At least one in two mount pads is provided with proximity transducer, when two mount pads move to terminal or the starting point of corresponding circular arc two tracks, two mount pads can be dodged automatically, avoid continuation to move thus cause the damage of two mount pads and circular arc two tracks.Equally, detection head is provided with proximity transducer equally, when detection head moves to leading screw end, can automatically dodges, avoid damaging detection head.

Above embodiment is with reference to accompanying drawing, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when not deviating from essence of the present invention, drops within protection scope of the present invention.

Claims (6)

1. a bellows expansion joint device for detecting performance, it is characterized in that: at least one detection head (2) comprising the arc-shaped rail assembly arranged along expansion joint (14) circumference, the leading screw (1) axially arranged along expansion joint, installation component and be located on described installation component, described installation component can move along circular arc on described rail assembly, and drive described detection head to rotate along expansion joint circumference, and described detection head can move axially along expansion joint on described leading screw.
2. bellows expansion joint device for detecting performance according to claim 1, is characterized in that: described rail assembly comprises spaced two guide rails (3), two described guide rails is equipped with chain (4); Described installation component comprises two mount pads (5) of corresponding two described guide rails, and other direction stop of sliding of two described mount pad orbital directions are positioned, on corresponding guide rail, two described mount pads to be all provided with the sprocket wheel (6) of corresponding described chain; Separately be provided with driving mechanism, described driving mechanism comprises driving shaft (7), the first drive motor (8) and the second drive motor (9), described drive shaft turns is connected between two described mount pads, described first drive motor is selected one and is installed on two described mount pads, described second drive motor is selected one and is installed on two described mount pads, described first drive motor is in transmission connection in described driving shaft, and described driving shaft is in transmission connection in two described sprocket wheels, two described sprocket wheels are rolled on the chain of correspondence; Described second drive motor is in transmission connection in the screw rod of described leading screw, and described leading screw is installed between two described mount pads, and described detection head is fixedly arranged on the nut of described leading screw.
3. bellows expansion joint device for detecting performance according to claim 2, is characterized in that: the two ends place of expansion joint is interval with two risers (10), and two described guide rails are all fixed on two described risers by support (11).
4. bellows expansion joint device for detecting performance according to claim 2, it is characterized in that: described installation component also comprises the axis of guide (12) and contiguous block (13), the two ends of the described axis of guide are fixedly arranged on two described mount pads, one end of described contiguous block is fixedly arranged on the nut of described leading screw, the other end of described contiguous block slides and is located on the described axis of guide, and described detection head is fixedly arranged on described contiguous block.
5. bellows expansion joint device for detecting performance according to claim 2, it is characterized in that: be provided with two described leading screws, one end docking of two described leading screws, the other end of two described leading screws is fixedly arranged on two described mount pads, corresponding each described leading screw, is provided with detection head described in the second drive motor and described in.
6. bellows expansion joint device for detecting performance according to claim 2, is characterized in that: described detection head is or/and at least one is provided with proximity transducer in two described mount pads, and described proximity transducer is electrically connected with external control system.
CN201510022003.XA 2015-01-16 2015-01-16 Device for detecting performance of a waveform expansion joint CN104596750A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109099869A (en) * 2018-06-28 2018-12-28 芜湖泰和管业股份有限公司 The device of measuring bellow elongation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11153426A (en) * 1997-11-18 1999-06-08 Canon Inc Inclined spherical surface form type measuring device
CN202110101U (en) * 2011-06-17 2012-01-11 浙江万龙机械有限公司 Corrugated pipe service life tester
WO2013098493A1 (en) * 2011-12-29 2013-07-04 Vallourec Mannesmann Oil & Gas France Device for measuring an internal or external profile of a tubular component
CN203502211U (en) * 2013-08-22 2014-03-26 天津盛象塑料管业有限公司 Test device for corrugated-pipe system
CN103837335A (en) * 2012-11-21 2014-06-04 重庆长安汽车股份有限公司 Fixing device for testing stiffness of exhaust bellows of automobile
CN103900509A (en) * 2014-01-23 2014-07-02 河海大学常州校区 Device capable of achieving multidirectional detection
CN204405308U (en) * 2015-01-16 2015-06-17 江苏省特种设备安全监督检验研究院 Bellows expansion joint device for detecting performance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11153426A (en) * 1997-11-18 1999-06-08 Canon Inc Inclined spherical surface form type measuring device
CN202110101U (en) * 2011-06-17 2012-01-11 浙江万龙机械有限公司 Corrugated pipe service life tester
WO2013098493A1 (en) * 2011-12-29 2013-07-04 Vallourec Mannesmann Oil & Gas France Device for measuring an internal or external profile of a tubular component
CN103837335A (en) * 2012-11-21 2014-06-04 重庆长安汽车股份有限公司 Fixing device for testing stiffness of exhaust bellows of automobile
CN203502211U (en) * 2013-08-22 2014-03-26 天津盛象塑料管业有限公司 Test device for corrugated-pipe system
CN103900509A (en) * 2014-01-23 2014-07-02 河海大学常州校区 Device capable of achieving multidirectional detection
CN204405308U (en) * 2015-01-16 2015-06-17 江苏省特种设备安全监督检验研究院 Bellows expansion joint device for detecting performance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109099869A (en) * 2018-06-28 2018-12-28 芜湖泰和管业股份有限公司 The device of measuring bellow elongation

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Application publication date: 20150506