CN109211484A - Plastic pipe surface defects detection device - Google Patents
Plastic pipe surface defects detection device Download PDFInfo
- Publication number
- CN109211484A CN109211484A CN201811270393.2A CN201811270393A CN109211484A CN 109211484 A CN109211484 A CN 109211484A CN 201811270393 A CN201811270393 A CN 201811270393A CN 109211484 A CN109211484 A CN 109211484A
- Authority
- CN
- China
- Prior art keywords
- deck
- support baseboard
- plastic pipe
- end deck
- rear end
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of plastic pipe surface defects detection devices, including support baseboard and the multiple tightening devices being mounted on support baseboard, front end deck and rear end deck are slidably fitted on the support baseboard, air intake duct is provided on the deck of front end, air intake duct one end is equipped with plug in gas-tpe fitting fastly, gas off-take is provided on the deck of rear end, gas off-take one end is equipped with relief valve, the front end deck and rear end deck side close to each other are provided with the air bag lantern ring for stretching plastic pipe inner wall, one side end face of air bag lantern ring is bonded on the side wall of respective front ends deck or rear end deck, and multiple air inlets are provided on the inner hole wall of air bag lantern ring, the support baseboard is equipped with the propulsive mechanism for promoting front end deck to slide by one end of front end deck.The present invention can reduce human error, improve detection accuracy, and have the advantages that structure is simple and at low cost.
Description
Technical field
The present invention relates to plastic pipes to produce detection technique field, and in particular to a kind of plastic pipe surface defects detection
Device.
Background technique
Plastic pipe can generally take out sample piece after production molding and carry out surface defects detection, to judge the modeling of the batch
Whether expects pipe material is qualified.Traditional mode is manually to be detected by way of touching or observing, although this mode is convenient
Fast, but have the shortcomings that artificial fatiguability, error are big, precision is low.And use error small and precision instrument with high accuracy not
Only structure is complicated, and higher cost.
Summary of the invention
The purpose of the present invention is to provide a kind of plastic pipe surface defects detection device, which can reduce artificial mistake
Difference improves detection accuracy, and has the advantages that structure is simple and at low cost.
The purpose of the present invention is what is be achieved through the following technical solutions: plastic pipe surface defects detection device, including branch
Support bottom plate and multiple tightening devices for fixed plastics tubing for being mounted on support baseboard slide on the support baseboard
Front end deck and rear end deck are installed, air intake duct is provided on the deck of front end, air intake duct one end is equipped with plug in gas-tpe fitting fastly,
Gas off-take is provided on the deck of rear end, gas off-take one end is equipped with relief valve, and the front end deck and rear end deck are close to each other
Side be provided with the air bag lantern ring for stretching plastic pipe inner wall, a side end face of air bag lantern ring is bonded in respective front ends
On the side wall of deck or rear end deck, and multiple air inlets are provided on the inner hole wall of air bag lantern ring, the multiple tightening device position
Between front end deck and rear end deck, tightening device includes tightening hoop body and lower lock ring body, tightens hoop body and lower lock ring body
Middle part, which is provided with, is removably mounted on support baseboard by bolt with the matched arc groove of plastic pipe tube wall, lower lock ring body
On, and lower lock ring body both lateral sides U-shaped body integrally formed under, under U-shaped body two ends between rotation be provided with down
Shaft is fixed with cap-type nut on one of lower rotary shaft, screw hole is provided on another lower rotary shaft, is combined with butterfly in cap-type nut
Shape bolt, the make-up hoop body both lateral sides are provided on the wing bolt for pressing it integrally formed with upper U-shaped body
In a upper U-shaped body compressed part, rotated between two ends of U-shaped body another on and be provided with upper shaft, opened in upper shaft
There is a screw hole, adjusting screw rod is cooperated in the screw hole of upper shaft and in the screw hole of lower rotary shaft, two ends of adjusting screw rod are combined with
Adjusting nut, it is described tighten hoop body arc groove inner wall on be provided with the matched plastic extruded layer of plastic pipe tube wall shape,
Strain gauge pressure sensor is provided in plastic extruded layer, the support baseboard is equipped with by one end of front end deck for pushing away
The propulsive mechanism slided into front end deck.
Further, the support baseboard is by one end of front end deck integrally formed with loading plate, the propulsive mechanism
Including push rod and multiple sliding sleeves, multiple sliding sleeves are fixed on loading plate, and push rod one end passes through multiple sliding sleeves and is directed toward front end card
Seat.
Further, sliding slot, the front end deck and rear end are provided on the side wall of the support baseboard both lateral sides
The both lateral sides of deck are provided with the gliding mass being in sliding fit with the sliding chute, and gliding mass is fixed on support baseboard by fastening bolt.
Further, the both lateral sides of the support baseboard upper surface are provided with uniform dial markings.
The invention has the advantages that:
1, by setting front end deck and rear end deck, it by the both ends stretching of plastic pipe sample piece and can seal, be filled with
High pressure gas is placed in water and observes whether sample piece has crack or leakage, the disadvantage for overcoming traditional artificial observation precision low；
2, by being provided with tightening device, plastic extruded layer and strain gauge pressure sensor, sample are provided in tightening device
The resistance value of foil gauge can generate corresponding change when product part passes through plastic extruded layer, according to change in resistance range judgement sample part surface
With the presence or absence of protrusion or recess, the mode precision compared to traditional artificial touch or observation is higher, as a result more reliable；
3, the present invention has the advantages that structure is simple, at low cost and adjusting is easy, is suitable for the processing mill of light cost running
Or workshop.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is partial structure diagram of the invention；
Fig. 3 is enlarged diagram at the A of Fig. 2；
Fig. 4 is enlarged diagram at the B of Fig. 2；
Fig. 5 is the sectional view that hoop body is tightened in the present invention.
Marked in the figure: 1- support baseboard；The front end 2- deck；The rear end 3- deck；4- tightens hoop body；Lock ring body under 5-；6- modeling
Expect extruded layer；7- loading plate；8- sliding sleeve；9- push rod；10- sliding slot；11- dial markings；12- gliding mass；13- fastening bolt；14- is fast
Plug in gas-tpe fitting；15- air bag lantern ring；16- air inlet；17- relief valve；18- wing bolt；19- compressed part；20- arc groove；
The upper U-shaped body of 41-；42- upper shaft；43- adjusting screw rod；U-shaped body under 51-；52- cap-type nut；53- lower rotary shaft；61- filling modeling
Material；62- foil gauge.
Specific embodiment
As shown in fig. 1~fig. 5, plastic pipe surface defects detection device provided in this embodiment include support baseboard 1 with
And multiple tightening devices for fixed plastics tubing on support baseboard 1 are mounted on, it is slidably fitted on the support baseboard 1
Front end deck 2 and rear end deck 3 are specifically provided with sliding slot 10, the transverse direction on the side wall of 1 both lateral sides of support baseboard
Two sides refer to the two sides of front end deck 2 or the non-slip direction of rear end deck 3.Lateral the two of the front end deck 2 and rear end deck 3
Side is provided with the gliding mass 12 being slidably matched with sliding slot 10, and threaded hole is provided on the gliding mass 12 and is fixed on by fastening bolt 13
On support baseboard 1, the both lateral sides of 1 upper surface of support baseboard are provided with uniform dial markings 11, for comparing front end
The position of deck 2 and rear end deck 3.
Air intake duct is provided on the front end deck 2, air intake duct one end is equipped with plug in gas-tpe fitting 14 fastly, rear end deck 3
On be provided with gas off-take, gas off-take one end is equipped with relief valve 17, the front end deck 2 and rear end deck 3 it is close to each other one
Side is provided with the air bag lantern ring 15 for stretching plastic pipe inner wall, and air bag lantern ring 15 is made of rubber material, ring body
It is inside provided with inlet chamber, a side end face of air bag lantern ring 15 is bonded on the side wall of respective front ends deck 2 or rear end deck 3, and
It is provided with multiple air inlets 16 being connected to inlet chamber on the inner hole wall of air bag lantern ring 15, is passed through high pressure gas from fast gas-tpe fitting 14 of inserting
Body, gas enters inlet chamber by air inlet 16 and expands air bag lantern ring 15, so as to the both ends of stretching plastic pipe inner wall
And it seals.
For the multiple tightening device between front end deck 2 and rear end deck 3, tightening device includes tightening 4 He of hoop body
Lower lock ring body 5, the middle part for tightening hoop body 4 and lower lock ring body 5 are provided with and the matched arc groove 20 of plastic pipe tube wall, lower lock ring
Body 5 is removably mounted on support baseboard 1 by bolt.The make-up hoop body 4 and 5 sides of lower lock ring body are hinged, the other side
Be flexibly connected, specifically, lower 5 both lateral sides of lock ring body U-shaped body 51 integrally formed under, it is each under U-shaped body 51 two ends
Rotation is provided with lower rotary shaft 53 between portion, is fixed with cap-type nut 52 on one of lower rotary shaft 53, another lower rotary shaft 53
On be provided with screw hole, wing bolt 18 is combined in cap-type nut 52,4 both lateral sides of make-up hoop body are integrally formed with upper U
Type body 41 is provided with the compressed part 19 for pressing U-shaped body 41 on one of them on the wing bolt 18, U-shaped on another
Between two ends of body 41 rotation be provided with upper shaft 42, be provided in upper shaft 42 with screw hole identical on lower rotary shaft 53, on
Cooperate adjusting screw rod 43 in the screw hole of shaft 42 and in the screw hole of lower rotary shaft 53, two ends of adjusting screw rod 43 are combined with tune
Nut is saved, by tightening adjusting nut, hoop body 4 can will be tightened and lower 5 side of lock ring body is locked, then by tightening wing bolt 18
It can will tighten hoop body 4 and lower 5 other side of lock ring body is locked.
It is provided with and the matched plastic extruded layer of plastic pipe tube wall shape on 20 inner wall of arc groove for tightening hoop body 4
6, it is provided with strain gauge pressure sensor in plastic extruded layer 6, in the present embodiment, plastic extruded layer 6 that filled plastics 61 are formed
End surface shape is the half of regular hexagon, and internal via shape is semicircle shape, and the foil gauge of strain gauge pressure sensor is settable more
It is a, it is placed in filled plastics 61, for detecting the deformation quantity of plastic pipe upper surface, the lead of strain gauge pressure sensor is stretched
It plastic extruded layer and is connect out with processing circuit, it is concurrent that the electric signal of processing circuit by A/D converter is converted into digital signal
Display device is given, determines plastic pipe surface with the presence or absence of larger protrusion or recess by numerical value change.
The support baseboard 1 is equipped with the pusher for promoting front end deck 2 to slide by one end of front end deck 2
Structure, specifically, by one end of front end deck 2 integrally formed with loading plate 7, the propulsive mechanism includes the support baseboard 1
Push rod 9 and multiple sliding sleeves 8, multiple sliding sleeves 8 are fixed on loading plate 7, and 9 one end of push rod passes through multiple sliding sleeves 8 and is directed toward front end
Deck 2.
The working principle of the invention is: when detection crack, needing to pacify according to the selection of the length of surveyed plastic pipe sample piece
Sample piece one end, is then connected on the air bag lantern ring 15 of front end deck 2, the other end sequentially passes through by the quantity for filling tightening device
The arc groove 20 of each lower lock ring body 5 is simultaneously connected on the air bag lantern ring 15 of rear end deck 3, is passed through height from fast gas-tpe fitting 14 of inserting
It calms the anger body, entire detector is placed into water, observes number of bubbles by the expansion of air bag lantern ring 15 and stretching plastic pipe both ends,
Judge whether plastic pipe generates crack or gas leakage by number of bubbles and size, after observation, takes out detector；Detection
When protrusion or depressed deformation, wing bolt 18 is tightened, plastic extruded layer 6 is steadily contacted just with plastic pipe outer wall, can be led to
Excess pressure numerical value judges whether that stable solution is touched, and pushes push rod 9 manually, moves plastic pipe along direction of propulsion, detect each modeling
The signal for expecting the outflow of 6 internal strain piece pressure sensor of extruded layer, judges whether plastic pipe outer wall has apparent protrusion or recess
Deformation after detection, opens relief valve 17, unclamps wing bolt 18, remove sample piece.
The above is only the preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, any
The transformation and replacement carried out based on technical solution provided by the present invention and inventive concept should all be covered in protection model of the invention
In enclosing.
Claims (4)
1. plastic pipe surface defects detection device including support baseboard and is mounted on multiple for fixing on support baseboard
The tightening device of plastic pipe, it is characterised in that: front end deck and rear end deck, front end are slidably fitted on the support baseboard
Air intake duct is provided on deck, air intake duct one end is equipped with plug in gas-tpe fitting fastly, is provided with gas off-take, gas off-take on the deck of rear end
One end is equipped with relief valve, and the front end deck and rear end deck side close to each other are provided with for stretching plastic pipe
One side end face of the air bag lantern ring of inner wall, air bag lantern ring is bonded on the side wall of respective front ends deck or rear end deck, and air bag
Multiple air inlets are provided on the inner hole wall of lantern ring, the multiple tightening device is between front end deck and rear end deck, lock ring
Device includes tightening hoop body and lower lock ring body, and the middle part of make-up hoop body and lower lock ring body is provided with matched with plastic pipe tube wall
Arc groove, lower lock ring body are removably mounted on support baseboard by bolt, and lower lock ring body both lateral sides are integrally formed
U-shaped body under having, under U-shaped body two ends between rotation be provided with lower rotary shaft, be fixed with cap-type on one of lower rotary shaft
Nut is provided with screw hole on another lower rotary shaft, wing bolt is combined in cap-type nut, the make-up hoop body both lateral sides are uniform
It is body formed to have upper U-shaped body, the compressed part for pressing U-shaped body on one of them, U on another are provided on the wing bolt
Rotation is provided with upper shaft between two ends of type body, is provided with screw hole in upper shaft, in the screw hole of upper shaft and lower rotary shaft
Cooperate adjusting screw rod in screw hole, two ends of adjusting screw rod are combined with adjusting nut, in the arc groove for tightening hoop body
Be provided on wall with the matched plastic extruded layer of plastic pipe tube wall shape, be provided with foil gauge pressure sensing in plastic extruded layer
Device, the support baseboard are equipped with the propulsive mechanism for promoting front end deck to slide by one end of front end deck.
2. plastic pipe according to claim 1 surface defects detection device, it is characterised in that: the support baseboard is close
Integrally formed with loading plate, the propulsive mechanism includes push rod and multiple sliding sleeves for one end of front end deck, and multiple sliding sleeves are fixed
On loading plate, push rod one end passes through multiple sliding sleeves and is directed toward front end deck.
3. plastic pipe according to claim 2 surface defects detection device, it is characterised in that: the support baseboard is lateral
It is provided with sliding slot on the side wall of two sides, the both lateral sides of the front end deck and rear end deck are provided with matches with sliding slot sliding
The gliding mass of conjunction, gliding mass are fixed on support baseboard by fastening bolt.
4. plastic pipe according to claim 3 surface defects detection device, it is characterised in that: table on the support baseboard
The both lateral sides in face are provided with uniform dial markings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270393.2A CN109211484B (en) | 2018-10-29 | 2018-10-29 | Surface defect detector for plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270393.2A CN109211484B (en) | 2018-10-29 | 2018-10-29 | Surface defect detector for plastic pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211484A true CN109211484A (en) | 2019-01-15 |
| CN109211484B CN109211484B (en) | 2020-08-18 |
Family
ID=64997781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811270393.2A Active CN109211484B (en) | 2018-10-29 | 2018-10-29 | Surface defect detector for plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109211484B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496749A (en) * | 2020-11-24 | 2021-03-16 | 四川欧宝路管业有限责任公司 | High strength PE pipeline apparatus for producing |
| WO2022072175A1 (en) * | 2020-09-30 | 2022-04-07 | Rosemount Inc. | Single-use plastic pressure sensor |
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|---|---|---|---|---|
| US4227309A (en) * | 1974-12-21 | 1980-10-14 | Underground Location Services Limited | Pipeline pig having gauging plate |
| CN101865818A (en) * | 2010-05-25 | 2010-10-20 | 桂林电子科技大学 | Measurement method of friction coefficient in pipe plastic deformation |
| CN204679059U (en) * | 2015-04-23 | 2015-09-30 | 天津惠博普管道技术有限公司 | Pipe deforming steady arm |
| CN206740326U (en) * | 2017-05-31 | 2017-12-12 | 边光弟 | A kind of plastic pipe production quality detection device |
| CN107907095A (en) * | 2017-11-10 | 2018-04-13 | 中国石油大学(北京) | Deformation inspection wiper |
| CN207335616U (en) * | 2017-05-11 | 2018-05-08 | 中国石油大学(华东) | A kind of buried pipeline radial deformation detector |
| CN207881682U (en) * | 2017-12-31 | 2018-09-18 | 天津赛达鑫源检验检测有限公司 | A kind of simple type measures the device of round tube inside diameter deformation |
-
2018
- 2018-10-29 CN CN201811270393.2A patent/CN109211484B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227309A (en) * | 1974-12-21 | 1980-10-14 | Underground Location Services Limited | Pipeline pig having gauging plate |
| CN101865818A (en) * | 2010-05-25 | 2010-10-20 | 桂林电子科技大学 | Measurement method of friction coefficient in pipe plastic deformation |
| CN204679059U (en) * | 2015-04-23 | 2015-09-30 | 天津惠博普管道技术有限公司 | Pipe deforming steady arm |
| CN207335616U (en) * | 2017-05-11 | 2018-05-08 | 中国石油大学(华东) | A kind of buried pipeline radial deformation detector |
| CN206740326U (en) * | 2017-05-31 | 2017-12-12 | 边光弟 | A kind of plastic pipe production quality detection device |
| CN107907095A (en) * | 2017-11-10 | 2018-04-13 | 中国石油大学(北京) | Deformation inspection wiper |
| CN207881682U (en) * | 2017-12-31 | 2018-09-18 | 天津赛达鑫源检验检测有限公司 | A kind of simple type measures the device of round tube inside diameter deformation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022072175A1 (en) * | 2020-09-30 | 2022-04-07 | Rosemount Inc. | Single-use plastic pressure sensor |
| CN112496749A (en) * | 2020-11-24 | 2021-03-16 | 四川欧宝路管业有限责任公司 | High strength PE pipeline apparatus for producing |
| CN112496749B (en) * | 2020-11-24 | 2022-11-25 | 四川欧宝路管业有限责任公司 | High strength PE pipeline apparatus for producing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109211484B (en) | 2020-08-18 |
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