CN110044915A - A kind of steel pipe crack detection device - Google Patents
A kind of steel pipe crack detection device Download PDFInfo
- Publication number
- CN110044915A CN110044915A CN201910267294.7A CN201910267294A CN110044915A CN 110044915 A CN110044915 A CN 110044915A CN 201910267294 A CN201910267294 A CN 201910267294A CN 110044915 A CN110044915 A CN 110044915A
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- steel pipe
- crack detection
- pipe crack
- groove
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- 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
- G01M3/38—Investigating fluid-tightness of structures by using light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a kind of steel pipe crack detection devices, including steel pipe Crack Detection workbench, steel pipe fixing groove, rotating circular disc, the first groove and the second groove, the bottom of the steel pipe Crack Detection workbench is fixedly installed with support base, steel pipe fixing groove is offered at the top of the steel pipe Crack Detection workbench, support round bar is installed on the steel pipe Crack Detection workbench of steel pipe fixing groove one end, rotation axis is installed on the steel pipe Crack Detection workbench of the steel pipe fixing groove other end, is fixedly installed with rotating circular disc in the rotation axis；Structure of the invention is rationally simple, easy to use, steel tube surface complete detection, to the processing of steel tube surface deashing before detecting crack, dust is avoided to block the detection for hindering steel pipe crack, so that the precision of steel pipe Crack Detection is improved, steel pipe crack repair process to detection guarantees the product quality of steel pipe, improves the practicability of steel pipe crack detecting device.
Description
Technical field:
The present invention relates to Tube heating furnace technical field, in particular to a kind of steel pipe crack detection device.
Background technique:
Steel pipe has a hollow section, length much larger than diameter or perimeter steel, for trandfer fluid and powdery solid,
Thermal energy, manufacture machine components and container are exchanged, for steel pipe to when conveying liquid, the crack on steel pipe leads to liquid leakage, therefore needs
The processing of steel pipe Crack Detection to be carried out to it in steel pipe's production to avoid leakage phenomenon, but existing steel pipe Crack Detection uses
The mode of artificial detection, heavy workload, time-consuming and the dust of steel tube surface blocks the detection hindered to its crack, causes
The accuracy of detection is poor, not very practical.
Summary of the invention:
The object of the invention is that providing a kind of steel pipe crack detection device to solve the above-mentioned problems, solve
Existing steel pipe Crack Detection is by the way of artificial detection, and heavy workload, time-consuming and the dust of steel tube surface blocks resistance
Hinder the detection to its crack, the problem for causing the accuracy of detection poor, not very practical.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of steel pipe crack detection device, including steel pipe Crack Detection workbench, steel pipe fixing groove, rotating circular disc,
One groove and the second groove, the bottom of the steel pipe Crack Detection workbench are fixedly installed with support base, the steel pipe crack
Steel pipe fixing groove is offered at the top of detection workbench, is installed on the steel pipe Crack Detection workbench of steel pipe fixing groove one end
There is support round bar, rotation axis, the rotation axis are installed on the steel pipe Crack Detection workbench of the steel pipe fixing groove other end
On be fixedly installed with rotating circular disc, the rotating circular disc is arranged in the inside of steel pipe fixing groove, in the rotating circular disc with support
The opposite side of round bar offers circular groove, is provided with elastic cushion on the semi-circular recesses inner wall of the circular groove bottom,
The circular groove is internally provided with movable grip block, the activity grip block semicircular in shape setting, the activity grip block
Top be provided with thread bush, screw thread is equipped with clamping screw on thread bush, and one end of the clamping screw passes through circular groove
Setting, one end of the rotation axis are fixedly mounted across steel pipe Crack Detection workbench and rocking handle, and the steel pipe is fixed
The first groove, the steel pipe Crack Detection of the steel pipe fixing groove other side are provided on the steel pipe Crack Detection workbench of slot side
The second groove is offered on workbench.
As a preferred technical solution of the present invention, the inside of first groove is rotatably equipped with by bearing block
One adjusts screw rod, and the inside of second groove is rotatably equipped with the second adjusting screw rod by bearing block, and described first adjusts silk
First movement seat is installed on bar, the second Mobile base, the first movement seat and second are installed on the second adjusting screw rod
Threaded hole is offered on Mobile base, described first, which adjusts screw rod, passes through screw thread installation, institute between threaded hole and first movement seat
It states the second adjusting screw rod and passes through screw thread installation between threaded hole and the second Mobile base, the top of the first movement seat is fixedly mounted
There is support rod, slide bar has been wholely set at the top of the support rod, L-shaped setting between the slide bar and support rod, the cunning
It is arranged in parallel between bar and steel pipe Crack Detection workbench, sliding seat, the bottom of the sliding seat is slidably fitted on the slide bar
Portion is fixedly installed with telescopic cylinder, and there are two the telescopic cylinder settings, and two telescopic cylinders are separately mounted to sliding seat
Both ends, the output ends of two telescopic cylinders is fixedly installed with crack laser detection probe and spray by piston rod respectively
The side of rifle, the steel pipe Crack Detection workbench is fixedly installed with touching display screen.
As a preferred technical solution of the present invention, second Mobile base is close to the fixed peace in the side of steel pipe fixing groove
Equipped with connecting plate, the bottom of the connecting plate is fixedly installed with cleaning plate, the cleaning plate semicircular in shape setting, the cleaning plate
Inside be fixedly installed with deashing hairbrush, the deashing hairbrush is arranged using banister brush, and the input terminal of the spray gun passes through guide
Pipe is connected to the output end of high-pressure pump, and the input terminal of the high-pressure pump is connected to by passage with the output end for keeping the temperature storage tank,
The inside of the heat preservation storage tank is fixedly installed with mixing mechanism, and mixing mechanism includes being mounted on inside heat preservation storage tank to turn
Axis, one end of shaft pass through heat preservation storage tank and are connect by shaft coupling with motor drive, and stainless steel is fixedly installed in shaft
The bottom of blade, the heat preservation storage tank is fixedly installed with ceramic electric heating stick, the cleaning plate semicircle radius size and work
The semicircle radius size of dynamic grip block is identical, and the cleaning plate and steel pipe Crack Detection workbench are all made of stainless steel material system
At.
As a preferred technical solution of the present invention, the support round bar is arranged using adjustable and retractable bar.
As a preferred technical solution of the present invention, described first one end for adjusting screw rod passes through steel pipe Crack Detection work
Make platform and is sequentially connected by shaft coupling and the output end of first servo motor.
As a preferred technical solution of the present invention, described second one end for adjusting screw rod passes through steel pipe Crack Detection work
Make platform and is sequentially connected by the output end of shaft coupling and the second servo motor.
As a preferred technical solution of the present invention, the touching display screen uses liquid crystal display.
As a preferred technical solution of the present invention, the rocking handle is arranged in zigzag, is arranged and is equipped on the rocking handle
Non-slip rubber set.
Beneficial effects of the present invention:
Structure of the invention is rationally simple, easy to use, in specifically used, compared with traditional steel pipe Crack Detection,
This steel pipe crack detecting device stability is good, easy to operate, and the labor intensity of personnel is effectively reduced, and during detection, leads to
Support round bar and rotating circular disc cooperation are crossed, realizes the fixation to detection steel pipe, and the rotation after fixing, guarantees steel tube surface detection
Comprehensive, the cleaning plate and deashing hairbrush of setting, can before detecting crack to steel tube surface deashing processing, avoid dust from blocking resistance
Hinder the detection in steel pipe crack, so that the precision of steel pipe Crack Detection is improved and crack laser detection probe is matched with spray gun
It closes, synchronizing moving, can guarantee the product quality of steel pipe to the steel pipe crack repair process of detection, improve steel pipe Crack Detection dress
The practicability set.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram at A of the invention；
Fig. 3 is structural schematic diagram at B of the invention；
Fig. 4 is first movement holder structure schematic diagram of the invention；
Fig. 5 is cleaning plate structural schematic diagram of the invention；
Fig. 6 is rotating circular disc structural schematic diagram of the invention；
Fig. 7 is sliding seat structural schematic diagram of the invention.
In figure: 1, steel pipe Crack Detection workbench；2, steel pipe fixing groove；3, support round bar；4, rotation axis；5, rotation circle
Disk；6, circular groove；7, elastic cushion；8, movable grip block；9, clamping screw；10, rocking handle；11, the first groove；12, second is recessed
Slot；13, first screw rod is adjusted；14, second screw rod is adjusted；15, first movement seat；16, the second Mobile base；17, support rod；18,
Slide bar；19, sliding seat；20, telescopic cylinder；21, crack laser detection probe；22, connecting plate；23, plate is cleared up；24, deashing hair
Brush；25, first servo motor；26, the second servo motor；27, touching display screen；28, spray gun；29, passage；30, high-pressure pump；
31, storage tank is kept the temperature；32, ceramic electric heating stick.
Specific embodiment:
As shown in figs. 1-7, present embodiment uses a kind of following technical scheme: steel pipe crack detection device, packet
Steel pipe Crack Detection workbench 1, steel pipe fixing groove 2, rotating circular disc 5, the first groove 11 and the second groove 12, the steel pipe is included to split
The bottom of seam detection workbench 1 is fixedly installed with support base, and the top of the steel pipe Crack Detection workbench 1 offers steel pipe
Fixing groove 2, support round bar 3 is equipped on the steel pipe Crack Detection workbench 1 of described 2 one end of steel pipe fixing groove, and the steel pipe is solid
Determine that rotation axis 4 is installed on the steel pipe Crack Detection workbench 1 of 2 other end of slot, rotation circle is fixedly installed in the rotation axis 4
Disk 5, the rotating circular disc 5 are arranged in the inside of steel pipe fixing groove 2, the side opposite with support round bar 3 in the rotating circular disc 5
Circular groove 6 is offered, is provided with elastic cushion 7, the circular groove on the semi-circular recesses inner wall of 6 bottom of circular groove
6 are internally provided with movable grip block 8, and the top of activity 8 semicircular in shape of the grip block setting, the activity grip block 8 sets
It is equipped with thread bush, screw thread is equipped with clamping screw 9 on thread bush, and one end of the clamping screw 9 is arranged across circular groove 6,
One end of the rotation axis 4 is fixedly mounted across steel pipe Crack Detection workbench 1 and rocking handle 10, and the steel pipe is fixed
The first groove 11 is provided on the steel pipe Crack Detection workbench 1 of 2 side of slot, the steel pipe of 2 other side of steel pipe fixing groove is split
The second groove 12 is offered on seam detection workbench 1.
Wherein, the inside of first groove 11 is rotatably equipped with the first adjusting screw rod 13 by bearing block, and described second
The inside of groove 12 is rotatably equipped with the second adjusting screw rod 14 by bearing block, is equipped with first on the first adjusting screw rod 13
Mobile base 15, it is described second adjusting screw rod 14 on the second Mobile base 16, the first movement seat 15 and the second Mobile base are installed
Threaded hole is offered on 16, described first, which adjusts screw rod 13, passes through screw thread installation, institute between threaded hole and first movement seat 15
It states the second adjusting screw rod 14 and passes through screw thread installation between threaded hole and the second Mobile base 16, the top of the first movement seat 15 is solid
Dingan County is equipped with support rod 17, and the top of the support rod 17 has been wholely set slide bar 18, between the slide bar 18 and support rod 17
L-shaped setting is arranged in parallel between the slide bar 18 and steel pipe Crack Detection workbench 1, is slidably fitted on the slide bar 18
Sliding seat 19, the bottom of the sliding seat 19 are fixedly installed with telescopic cylinder 20, and there are two the settings of telescopic cylinder 20, and two
The telescopic cylinder 20 is separately mounted to the both ends of sliding seat 19, and the output end of two telescopic cylinders 20 passes through piston rod point
It is not fixedly installed with crack laser detection probe 21 and spray gun 28, crack laser detection probe 21 cooperates with spray gun 28, synchronous shifting
It is dynamic, it can guarantee the product quality of steel pipe to the steel pipe crack repair process of detection, improve the practical of steel pipe crack detecting device
Property, the side of the steel pipe Crack Detection workbench 1 are fixedly installed with touching display screen 27, and second Mobile base 16 is close to steel
The side of pipe fixing groove 2 is fixedly installed with connecting plate 22, and the bottom of the connecting plate 22 is fixedly installed with cleaning plate 23, described clear
The setting of 23 semicircular in shape of plate is managed, the inside of the cleaning plate 23 is fixedly installed with deashing hairbrush 24, and the deashing hairbrush 24 uses
Banister brush setting can avoid dust from blocking the detection for hindering steel pipe crack, make before detecting crack to the processing of steel tube surface deashing
The precision for obtaining steel pipe Crack Detection is improved, and the input terminal of the spray gun 28 passes through the output end of passage 29 and high-pressure pump 30
The input terminal of connection, the high-pressure pump 30 is connected to by passage 29 with the output end for keeping the temperature storage tank 31, the heat preservation storing
The inside of tank 31 is fixedly installed with mixing mechanism, and mixing mechanism includes the shaft being mounted on inside heat preservation storage tank 31, shaft
One end passes through heat preservation storage tank 31 and is connect by shaft coupling with motor drive, stainless steel blade is fixedly installed in shaft, institute
The bottom for stating heat preservation storage tank 31 is fixedly installed with ceramic electric heating stick 32, the semicircle radius size of the cleaning plate 23 and activity
The semicircle radius size of grip block 8 is identical, realizes the fixation to detection steel pipe, and the rotation after fixing, and guarantees steel tube surface
That detects is comprehensive, and the cleaning plate 23 and steel pipe Crack Detection workbench 1 are all made of stainless steel material and are made, the support round bar
3 are arranged using adjustable and retractable bar, and one end of the first adjusting screw rod 13 passes through steel pipe Crack Detection workbench 1 and passes through
Shaft coupling and the output end of first servo motor 25 are sequentially connected, and described second one end for adjusting screw rod 14 is examined across steel pipe crack
It surveys workbench 1 and is sequentially connected by the output end of shaft coupling and the second servo motor 26, the touching display screen 27 uses liquid
Crystal display screen, the rocking handle 10 are arranged in zigzag, are arranged on the rocking handle 10 and are equipped with non-slip rubber set, increase frictional force, just
In rotation.
Use state of the invention are as follows: steel pipe one end to be detected is inserted on support round bar 3, the other end is inserted in circle
In connected in star 6, drives the movable grip block 8 in circular groove 6 to move down by clamping screw 9, steel pipe is fixed on steel pipe and is fixed
In slot 2, then the second servo motor 26 driving second adjusts screw rod 14 and rotates, so that the second Mobile base 16 and connecting plate 22 are in steel
It is moved on pipe leak detection workbench 1, clears up the deashing hairbrush 24 on plate 23 as connecting plate 22 is in the mobile deashing of steel tube surface
Processing, then the driving of first servo motor 25 first adjusts screw rod 13 and rotates, so that first movement seat 15 and slide bar 18 are in steel pipe
It is moved on Crack Detection workbench 1, crack laser detection probe 21 and spray gun 28 on the second Mobile base 16 is driven to split in steel pipe
Mobile above steel pipe on seam detection workbench 1, crack laser detection probe 21 will keep the temperature storage tank to Tube heating furnace, spray gun 28
It repairs liquid in 31 to be injected at steel pipe crack, rotation crank 10 overturns fixed steel pipe, and structure of the invention is rationally simple, makes
With conveniently, in specifically used, compared with traditional steel pipe Crack Detection, this steel pipe crack detecting device stability is good, behaviour
Make simply, the labor intensity of personnel to be effectively reduced, during detection, be cooperated by support round bar 3 and rotating circular disc 5, it is real
Rotation now to the fixation of detection steel pipe, and after fixing guarantees comprehensive, the cleaning plate 23 and deashing of setting of steel tube surface detection
Hairbrush 24 can avoid dust from blocking the detection for hindering steel pipe crack, so that steel before detecting crack to the processing of steel tube surface deashing
The precision of pipe leak detection is improved and crack laser detection probe 21 cooperates with spray gun 28, synchronizing moving, can be to detection
The repair process of steel pipe crack, guarantee the product quality of steel pipe, improve the practicability of steel pipe crack detecting device.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of steel pipe crack detection device, including steel pipe Crack Detection workbench (1), steel pipe fixing groove (2), rotating circular disc
(5), the first groove (11) and the second groove (12), it is characterised in that: the bottom of the steel pipe Crack Detection workbench (1) is fixed
Support base is installed, is offered steel pipe fixing groove (2) at the top of the steel pipe Crack Detection workbench (1), the steel pipe is solid
Determine to be equipped with support round bar (3) on the steel pipe Crack Detection workbench (1) of slot (2) one end, steel pipe fixing groove (2) other end
Steel pipe Crack Detection workbench (1) on be equipped with rotation axis (4), be fixedly installed with rotating circular disc on the rotation axis (4)
(5), the rotating circular disc (5) is arranged on the inside of steel pipe fixing groove (2), the rotating circular disc (5) and support round bar (3) phase
Pair side offer circular groove (6), be provided with elastic cushion on the semi-circular recesses inner wall of circular groove (6) bottom
(7), the circular groove (6) is internally provided with movable grip block (8), activity grip block (8) the semicircular in shape setting, institute
It states and is provided with thread bush at the top of movable grip block (8), screw thread is equipped with clamping screw (9), the clamping screw on thread bush
(9) one end is arranged across circular groove (6), and one end of the rotation axis (4) passes through steel pipe Crack Detection workbench (1), simultaneously
It is fixedly mounted between rocking handle (10), is provided on the steel pipe Crack Detection workbench (1) of steel pipe fixing groove (2) side
One groove (11) offers the second groove on the steel pipe Crack Detection workbench (1) of steel pipe fixing groove (2) other side
(12)。
2. a kind of steel pipe crack detection device according to claim 1, it is characterised in that: first groove (11)
Internal to be rotatably equipped with the first adjusting screw rod (13) by bearing block, the inside of second groove (12) is rotated by bearing block
Second adjusting screw rod (14) is installed, is equipped with first movement seat (15) in first adjusting screw rod (13), described second adjusts
It is equipped with the second Mobile base (16) on section screw rod (14), is offered on the first movement seat (15) and the second Mobile base (16)
Threaded hole, described first, which adjusts screw rod (13), passes through screw thread installation between threaded hole and first movement seat (15), and described second adjusts
It saves screw rod (14) and passes through screw thread installation between threaded hole and the second Mobile base (16), the top of the first movement seat (15) is fixed
It is equipped with support rod (17), has been wholely set slide bar (18) at the top of the support rod (17), the slide bar (18) and support rod
(17) L-shaped setting between is arranged in parallel, the slide bar between the slide bar (18) and steel pipe Crack Detection workbench (1)
(18) it is slidably fitted on sliding seat (19), the bottom of the sliding seat (19) is fixedly installed with telescopic cylinder (20), described to stretch
There are two contracting cylinder (20) settings, and two telescopic cylinders (20) are separately mounted to the both ends of sliding seat (19), described in two
The output end of telescopic cylinder (20) is fixedly installed with crack laser detection probe (21) and spray gun (28), institute by piston rod respectively
The side for stating steel pipe Crack Detection workbench (1) is fixedly installed with touching display screen (27).
3. a kind of steel pipe crack detection device according to claim 2, it is characterised in that: second Mobile base (16)
Side close to steel pipe fixing groove (2) is fixedly installed with connecting plate (22), and the bottom of the connecting plate (22) is fixedly installed with clearly
It manages plate (23), cleaning plate (23) the semicircular in shape setting, the inside of cleaning plate (23) is fixedly installed with deashing hairbrush
(24), the deashing hairbrush (24) is arranged using banister brush, and the input terminal of the spray gun (28) passes through passage (29) and high pressure
Pump the output end connection of (30), the output that the input terminal of the high-pressure pump (30) passes through passage (29) and heat preservation storage tank (31)
End connection, the inside of heat preservation storage tank (31) are fixedly installed with mixing mechanism, and mixing mechanism includes being mounted on heat preservation storing
The internal shaft of tank (31), one end of shaft pass through heat preservation storage tank (31) and are connect by shaft coupling with motor drive, shaft
On be fixedly installed with stainless steel blade, the bottom of heat preservation storage tank (31) is fixedly installed with ceramic electric heating stick (32), institute
It is identical as the semicircle radius size of movable grip block (8) to state the semicircle radius size of cleaning plate (23), the cleaning plate (23)
Stainless steel material is all made of with steel pipe Crack Detection workbench (1) to be made.
4. a kind of steel pipe crack detection device according to claim 1, it is characterised in that: the support round bar (3) is adopted
It is arranged with adjustable and retractable bar.
5. a kind of steel pipe crack detection device according to claim 2, it is characterised in that: described first adjusts screw rod
(13) one end passes through steel pipe Crack Detection workbench (1) and is passed by shaft coupling and the output end of first servo motor (25)
Dynamic connection.
6. a kind of steel pipe crack detection device according to claim 2, it is characterised in that: described second adjusts screw rod
(14) one end passes through steel pipe Crack Detection workbench (1) and is passed by the output end of shaft coupling and the second servo motor (26)
Dynamic connection.
7. a kind of steel pipe crack detection device according to claim 2, it is characterised in that: the touching display screen (27)
Using liquid crystal display.
8. a kind of steel pipe crack detection device according to claim 1, it is characterised in that: the rocking handle (10) is in Z-shaped
Shape is arranged, and is arranged on the rocking handle (10) and is equipped with non-slip rubber set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267294.7A CN110044915B (en) | 2019-04-03 | 2019-04-03 | Detection device for steel pipe cracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267294.7A CN110044915B (en) | 2019-04-03 | 2019-04-03 | Detection device for steel pipe cracks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110044915A true CN110044915A (en) | 2019-07-23 |
| CN110044915B CN110044915B (en) | 2021-11-02 |
Family
ID=67275984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910267294.7A Active CN110044915B (en) | 2019-04-03 | 2019-04-03 | Detection device for steel pipe cracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110044915B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111781207A (en) * | 2020-07-23 | 2020-10-16 | 王亚军 | Portable metal surface defect laser scanning detection device |
| CN111940425A (en) * | 2020-08-14 | 2020-11-17 | 段晓静 | Steel pipe surface cleaning device |
| CN112222113A (en) * | 2020-12-18 | 2021-01-15 | 南京济同检测科技有限公司 | Ultrasonic detection device for building steel structure |
| CN112304516A (en) * | 2020-10-27 | 2021-02-02 | 湖南秉俊能源科技有限公司 | Pipeline leak detection device for air conditioner manufacturing |
| CN112945850A (en) * | 2021-01-23 | 2021-06-11 | 温州海川检验有限公司 | Valve finished product crack control line check out test set |
| CN113265528A (en) * | 2021-07-16 | 2021-08-17 | 南通朗迪机械科技有限公司 | Retrospective tempering device capable of automatically detecting spring |
| CN113340906A (en) * | 2021-06-01 | 2021-09-03 | 安徽首源新材料有限公司 | Steel pipe surface crack detection device and detection method thereof |
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