CN101634637B - Bearing pipe video online detection device - Google Patents
Bearing pipe video online detection device Download PDFInfo
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- CN101634637B CN101634637B CN2009101014636A CN200910101463A CN101634637B CN 101634637 B CN101634637 B CN 101634637B CN 2009101014636 A CN2009101014636 A CN 2009101014636A CN 200910101463 A CN200910101463 A CN 200910101463A CN 101634637 B CN101634637 B CN 101634637B
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- screw rod
- display device
- detection probe
- workbench
- bracing frame
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Abstract
The invention discloses a bearing pipe video online detection device. A connecting cross rod of a lifting frame is fixed between a guide rod and a screw through the guide rod and the screw, and through the mutual matching of a worm together with a worm wheel as well as the mutual matching of the worm wheel together with the screw, the worm drives the worm wheel to rotate and the worm wheel drives the screw to rotate when the worm rotates. Since the screw penetrates into the connecting cross rod, the screw in rotating can drive the whole lifting frame to rise or drop. When the lifting frame drops, a detection probe arranged at the bottom end of a lifting rod approaches to a silting bed on the inner bottom of a tap water pipe slowly. The detection probe transmits the acquired information data to a display device connected with the detection probe. Whether the detection probe reaches the silting bed or not can be known through the display device. When the detection probe reaches the top of the silting bed, the degree of the silting bed on the bottom of the tap water pipe can be known according to the degree of drop of the lifting rod. When the silting bed is not large in quantity, washing and discharge are suspended temporarily so as to save water resources effectively.
Description
Technical field
The present invention relates to a kind of pipework technology, especially relate to a kind of bearing pipe video online detection device.
Background technology
The introducing of tap water brings great convenience for people's life, production, because the molecule that metal aqueduct inwall can produce in corrosion or the tap water produces deposition, through operation after a while, the aqueduct inwall can produce corrosion layer or produce sediment deposit in the bottom of pipeline, can influence the water supply quality of tap water.At present, the main way of solution pipeline rust is to change the aqueduct of high-quality; The main way that solves the pipeline alluvial is that pipeline is washed discharging, increases the flow velocity of tap water in the pipeline, by tap water pipe network floss hole, sediment deposit is rinsed well.
For the replacing of corrosion metals pipeline, require intercepting part corrosion metals pipeline section before construction at present in principle, arrange pipeline to renovate according to the order of severity of corrosion.Such way needs pipeline to cut off the water, and wants pipeline rehabilitation after the intercepting, influences user's water supply; And corrosion pipeline possibility is multi-point and wide-ranging, all carries out the pipeline cutting sampling and need excavate road, and efficient is very low in real work.If but do not carry out pipeline section intercepting, and often can not accurately grasp the corrosion situation of metallic conduit again, just find corrosion and not serious etc. engineering after carrying out, not only wasted fund, and made the corrosion pipeline of being badly in need of transforming can not get upgrading.
For the flushing discharging of alluvial pipeline, be to wash the bleed schedule arrangement at present according to the physico-chemical analysis after the pipe network water sampling or the managerial experience of pipe network administrative authority.This method often is difficult to determine in the arrangement of time of discharging, can not really determines the alluvial situation in the pipeline; After discharging is finished discharge water is carried out physico-chemical analysis, can not accurately reflect the alluvial developing result in the pipeline.Primary emission often needs the water yield of thousands of tons, and discharging too early can be wasted great amount of water resources, and crosses the water supply quality that the discharging in evening often can influence the user.
Summary of the invention
Technical matters to be solved by this invention provides a kind of can be on the bearing pipe online corrosion situation in the water supply pipe or degree of bottom alluvial of inspecting, can discharge for the flushing of the transformation of corrosion pipeline or the pipeline that deposits foundation is provided, and accurately the effect of discharging is washed in assessment, improves water supply quality, improves the bearing pipe video online detection device that pipe network washes discharge efficiency, conserve water resource with realization.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of bearing pipe video online detection device, comprise workbench, crane, bracing frame and be used to drive the drive unit that described crane moves up and down with respect to described workbench, described crane is mainly by connecting cross bar and forming with the described elevating lever that is connected the cross bar connection, the bottom of described elevating lever is connected with detection probe, described detection probe is connected with display device, the bottom of described workbench is connected with lining, described lining is connected with valve on the water supply pipe, described elevating lever runs through described workbench and described lining, be provided with guide pole between described workbench and the described bracing frame, described guide pole runs through described connection cross bar, described drive unit is mainly by scroll bar, turbine and screw rod are formed, be connected with the scroll bar bracing frame on the described scroll bar, described scroll bar bracing frame is connected with the bottom of described workbench, described scroll bar and described turbine are connected with a joggle, first end of described screw rod is connected with described turbine, and described screw rod runs through described workbench, described connection cross bar and described bracing frame.
First end of described connection cross bar offers pilot hole, one end of described guide pole passes described pilot hole and is connected with first end of described bracing frame, second end of described connection cross bar offers the first flat hole, second end of described connection cross bar is fixedly connected with and corresponding first nut in the described first flat hole site, offer on the described workbench and the corresponding screw in the described first flat hole site, second end of described bracing frame offers the second flat hole, described screw rod and described screw and described first nut are spirally connected, the described screw rod and the described first flat hole and the described second flat hole are connected, be bolted with second nut and the 3rd nut on the described screw rod, second end of described bracing frame is between described second nut and described the 3rd nut.
Be connected with orienting sleeve in the described pilot hole, described orienting sleeve is sheathed on outside the described guide pole; The purpose that an orienting sleeve is set in pilot hole is in order to make crane more steady in process of rising or falling, and the length of orienting sleeve can determine that the stationarity that the relatively shorter orienting sleeve of orienting sleeve that generalized case is long keeps is better according to actual conditions.
Described elevating lever is a hollow tube, is provided with lead in the described elevating lever, and an end of described lead is connected with described detection probe, and the other end of described lead is connected with described display device; Lead is arranged in the elevating lever, can prevents that like this lead is subjected to the influence of extraneous factor and damages.
Described detection probe comprises translucent cover, video capture device and LED lamp, described translucent cover is connected with the bottom end seal of described elevating lever, described video capture device and described LED lamp are arranged in the described translucent cover, existing video image software for display is installed in the described display device, described video capture device obtains video image and transmitting video image is given described display device, and described display device shows the video image that receives by described video image software for display; Translucent cover is connected with the bottom end seal of elevating lever, is tightly connected to prevent effectively that the water in the water supply pipe enters detection probe inside when whole detection probe stretches into water supply pipe inside, has effectively protected video capture device and LED lamp; It is when giving display device for the transmission of video images of obtaining when video capture device that video image software for display purpose is installed in the display device, can demonstrate the video image that obtains by this video image software for display, can know by video image whether detection probe has touched the sediment deposit of duct bottom.
Described translucent cover is outside equipped with the fender bracket that is used to protect described translucent cover; When translucent cover touched sediment deposit, the material that hardness such as the handstone that is mingled with in the sediment deposit are bigger may damage translucent cover, fender bracket effective translucent cover of having protected is set.
Described video capture device is a camera, and described display device is a LCDs; Video capture device also can be other existing equipment that can obtain video image, and display device also can be other existing devices that existing video image software for display and displayable video image can be installed.
Described lining is provided with axially extending bore, the outside surface of described elevating lever matches with the inside surface of described axially extending bore, described lining comprises support portion and the connecting portion that is connected with described support portion, fixedly connected with the bottom of described workbench in described support portion, described connecting portion is sheathed in the described valve and is threaded with described valve, the inwall of described connecting portion is provided with at least one annular groove, is provided with O-ring seal in the described annular groove; When elevating lever passes through workbench, lining and be arranged at valve on the water supply pipe and stretch into water supply pipe when inner, water in the water supply pipe can upwards impact by the gap between lining and the elevating lever under hydraulic pressure, the water of ejection can influence the operate outside environment, may splash in addition and damage display device on the display device, therefore between lining and elevating lever, O-ring seal is set, to prevent that water from upwards impacting towards the gap between lining and the elevating lever, O-ring seal can only be provided with one, also can be provided with a plurality ofly, a plurality of O-ring seals are set play stronger defense reaction.
The outside surface of described guide pole is provided with the scale of the thickness that is used to indicate water supply pipe inner bottom part sediment deposit; Can obtain the thickness of the sediment deposit of water supply pipe inner bottom part comparatively accurately by scale.
First end of described screw rod is provided with key pin and pin shaft hole, is provided with the bearing pin that is used to prop up described turbine in the described pin shaft hole, and described turbine is provided with cotter way, and described key pin and described cotter way cooperatively interact; When scroll bar is fixed on the workbench by the scroll bar bracing frame, the end of worm screw is by manually or with motor-driven mode driving scroll bar (counterclockwise) rotation clockwise, scroll bar drives the turbine rotation, because cooperatively interacting of key pin and cotter way, therefore the turbine rotation drives the screw rod rotation, and the rotation of screw rod drive crane slowly rises, if during opposite driving scroll bar counterclockwise (clockwise) rotation, by cooperatively interacting of scroll bar and turbine and cooperatively interacting of turbine and screw rod, the rotation of screw rod drives crane and slowly descends.
Compared with prior art, the invention has the advantages that by guide pole and screw rod, the connection cross bar of crane is fixed between guide pole and the screw rod, again by cooperatively interacting of scroll bar and turbine and cooperatively interacting of turbine and screw rod, make when scroll bar rotates, scroll bar drives the turbine rotation, turbine drives the screw rod rotation, because screw rod runs through the connection cross bar, can drive whole crane when screw rod rotates like this rises or descends, when crane descends, the detection probe of bottom that is arranged at elevating lever is slowly near the sediment deposit of water supply pipe inner bottom part, detection probe is given connected display device with its information data transmission of obtaining, can know by display device whether detection probe has arrived sediment deposit, when detection probe arrives the top of sediment deposit, can learn the degree of water supply pipe bottom sediment deposit according to the degree that elevating lever descends, when sediment deposit can temporarily not wash discharging more after a little while, thereby effectively saved water resource; Also can obtain the corrosion situation of water supply pipe in addition by detection probe and display device, transformation for the corrosion pipeline provides reliable foundation like this, the better from another point of view water supply quality that guaranteed also can accurately be assessed out effect after the flushing discharging by detection probe and display device.In addition, the present invention is applicable to that also other are used to transport the pipeline of transparent medium, as is used for gas piping, but when apparatus of the present invention are used for being used for the pipeline of carrier gas as this class, needs specialized designs electrical explosion proof device, and is safe and reliable to guarantee it.
Description of drawings
When Fig. 1 uses for the present invention be arranged at water supply pipe on the structural representation that cooperates of valve;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the B-B of Fig. 1 is to cut-open view;
Fig. 4 is the enlarged diagram of I part among Fig. 3.
Fig. 5 is a scroll bar and the synoptic diagram that cooperates of turbine.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one: as shown in the figure, a kind of bearing pipe video online detection device, comprise workbench 1, crane 2, bracing frame 3 and be used to drive the drive unit 4 that crane 2 moves up and down with respect to workbench 1, crane 2 is mainly by connecting cross bar 21 and forming with the elevating lever 22 that is connected cross bar 21 connections, connect the crane 2 that cross bar 21 and elevating lever 22 constitute the T type, the bottom of elevating lever 22 is connected with the detection probe 5 that is used for the pipelines inner case, detection probe 5 wired connections have display device 6, the bottom of workbench 1 is connected with lining 7,8 valve 81 is threaded on lining 7 and the water supply pipe, elevating lever 22 runs through workbench 1 and lining 7, one end of elevating lever 22 stretches in the water supply pipe 8 by workbench 1 and lining 7, be provided with guide pole 11 between workbench 1 and the bracing frame 3, guide pole 11 runs through and connects cross bar 21, drive unit 4 is mainly by scroll bar 41, turbine 42 and screw rod 43 are formed, the two ends of scroll bar 41 are connected with scroll bar bracing frame 44 respectively, scroll bar bracing frame 44 is connected by existing securing member such as screw with the bottom of workbench 1, scroll bar 41 is connected with a joggle with turbine 42, first end of screw rod 43 is connected with turbine 42, and screw rod 43 runs through workbench 1, connect cross bar 21 and bracing frame 3.The present invention utilizes drive unit 4 to drive crane 2 and moves up and down, when elevating lever 22 moves down, the detection probe 5 of bottom that is arranged at elevating lever 22 is slowly near the sediment deposit of water supply pipe 8 inner bottom parts, detection probe 5 is given connected display device 6 with its information data transmission of obtaining, can know by display device 6 whether detection probe 5 has arrived sediment deposit, when detection probe 5 arrives the top of sediment deposit, can learn the degree of water supply pipe 8 bottom sediment deposits according to the degree that crane 2 moves down, when sediment deposit can temporarily not wash discharging more after a little while, when guaranteeing water supply quality, improved pipe network flushing discharge efficiency and effectively saved water resource like this; Also can obtain the corrosion situation of water supply pipe 8 in addition by detection probe 5 and display device 6, corrosion transformation partly for water supply pipe 8 provides reliable foundation like this, the better from another point of view water supply quality that guaranteed also can accurately be assessed out effect after the flushing discharging by detection probe and display device.
In this specific embodiment, guide pole 11 and the concrete annexation that is connected cross bar 21 and screw rod 43 and workbench 1, the concrete annexation that is connected cross bar 21 and bracing frame 3 are: first end that is connected cross bar 21 offers pilot hole 13, one end of guide pole 11 passes pilot hole 13 and is connected with first end of bracing frame 3, pilot hole 13 should not be too big, the external diameter that is slightly larger than guide pole 11 gets final product, and can avoid crane 2 phenomenon of rocking to occur like this in the process of moving up and down; Second end that connects cross bar 21 offers the first flat hole 14, second end that connects cross bar 21 is fixedly connected with and corresponding first nut 15 in 14 positions, the first flat hole, offer on the workbench 1 and the corresponding screw 16 in 14 positions, the first flat hole, second end of bracing frame 3 offers the second flat hole 17, screw rod 43 is spirally connected with the screw 16 and first nut 15, the screw rod 43 and the first flat hole 14 and the second flat hole 17 are connected, be bolted with second nut 18 and the 3rd nut 19 on the screw rod 43, second end of bracing frame 3 is between second nut 18 and the 3rd nut 19, when screw rod 43 rotations, screw rod dallies in the first flat hole 14 and the second flat hole 17, and because screw rod 43 is spirally connected with first nut 15 and first nut 15 with to be connected cross bar 21 fixedly connected, the rotation of screw rod 43 can drive crane 2 and moves up and down like this.
In this specific embodiment, elevating lever 22 adopts hollow tube, is provided with lead 61 in the elevating lever 22, and an end of lead 61 is connected with detection probe 5, and the other end of lead 61 is connected with display device 6; Lead 61 is arranged in the elevating lever 22, can prevents that like this lead 61 is subjected to the influence of extraneous factor and damages.Detection probe 5 comprises translucent cover 51, video capture device 52 and at least one LED lamp 53, translucent cover 51 is tightly connected with the bottom of elevating lever 22, video capture device 52 and LED lamp 53 are arranged in the translucent cover 51, video capture device 52 can be a wired connection with display device 6, display device 6 domestic demands are equipped with the video image software for display, and the video image software for display can adopt prior art.When LED lamp 53 was opened, LED lamp 53 illuminated the part scope in the water supply pipe 8, and video capture device 52 obtains video image and transmitting video image is given display device 6, and display device 6 shows the video image that receives by the video image software for display.At this, translucent cover 51 is tightly connected with the bottom of elevating lever 22, being tightly connected to prevent effectively that the water in the water supply pipe 8 enters detection probe 5 inside when whole detection probe 5 stretches into water supply pipe 8 inside, has effectively protected video capture device 52 and LED lamp 53; It is when giving display device 6 for the transmission of video images of obtaining when video capture device 52 that video image software for display purpose is installed in the display device 6, can demonstrate the video image that obtains by this video image software for display, can know by video image whether detection probe 5 has touched the sediment deposit of alluvial at water supply pipe 8 inner bottom parts.
At this video capture device 52 is camera, and display device 6 is a LCDs; Video capture device 52 also can be other existing equipment that can obtain video image, and display device 6 also can be other existing devices that existing video image software for display and displayable video image can be installed.Display device 6 can utilize the existing fixed support to be fixed on bracing frame 3.
In this specific embodiment, lining 7 is provided with axially extending bore 71, the outside surface of elevating lever 22 matches with the inside surface of axially extending bore 71, the external diameter that the internal diameter of axially extending bore 71 is slightly larger than elevating lever 22 gets final product, to guarantee that the gap between the elevating lever 22 and axially extending bore 71 reaches minimum under the prerequisite that elevating lever 22 can freely move up and down in axially extending bore 71, lining 7 comprises support portion 72 and the connecting portion 73 that is connected with support portion 72, fixedly connected with the bottom of workbench 1 in support portion 72, connecting portion 73 is sheathed in the valve 81 and is threaded with valve 81, the inwall of connecting portion 73 is provided with two annular grooves 74, is provided with O-ring seal 75 in the annular groove 74; When elevating lever 22 passes through workbench 1, lining 7 and be arranged at valve 81 on the water supply pipe 8 and stretch into water supply pipe 8 when inner, water in the water supply pipe 8 can upwards impact by the gap between lining 7 and the elevating lever 22 under hydraulic pressure, the water of ejection can influence the operate outside environment, may splash in addition and damage display device 6 on the display device 6, therefore between lining 7 and elevating lever 22, O-ring seal 75 is set, to prevent that water from upwards impacting towards the gap between lining 7 and the elevating lever 22, O-ring seal 75 can only be provided with one, also can be provided with a plurality ofly, a plurality of O-ring seals 75 are set play stronger defense reaction.
In this specific embodiment, first end of screw rod 43 is provided with key pin 92 and pin shaft hole 93, is provided with the bearing pin 94 that is used to prop up turbine 42 in the pin shaft hole 93, and turbine 42 is provided with cotter way 95, and key pin 92 cooperatively interacts with cotter way 95; When scroll bar 41 is fixed on the workbench 1 by scroll bar bracing frame 44, one end of scroll bar 41 drives scroll bar 41 clockwise (counterclockwise) rotation by hand rotation handwheel 96 or with motor-driven mode, scroll bar 41 drives turbine 42 rotations, because key pin 92 cooperatively interacts with cotter way 95, therefore turbine 42 rotations drive screw rod 43 rotations, and the rotation of screw rod 43 drive crane 2 slowly rises, if during opposite driving scroll bar 41 counterclockwise (clockwise) rotation, by scroll bar 41 and cooperatively interacting of turbine 42 and cooperatively interacting of turbine 42 and screw rod 43, the rotation of screw rod 43 drives crane 2 and slowly descends.More reliable for the work that makes scroll bar 41 and turbine 42, first end at screw rod 43 is provided with another pin shaft hole again, this pin shaft hole is in the top position of turbine 42, another root bearing pin is set in this pin shaft hole again, the position of turbine 42 is between two bearing pins all the time, and it is more reliable to work.The mode of removing use bearing pin given herein is fixed on first end of screw rod 43 with turbine 42, also can adopt the fastening means of other existing maturations, and first end and the turbine 42 of screw rod 43 tightened together, and drives screw rod 43 when making turbine 42 rotations and rotates.
In addition, the present invention is applicable to that also other are used to transport the pipeline of transparent medium, as is used for gas piping, but when apparatus of the present invention are used for being used for the pipeline of carrier gas as this class, needs specialized designs electrical explosion proof device, and is safe and reliable to guarantee it.
Embodiment two: as shown in the figure, present embodiment and embodiment one are basic identical, and difference only is to connect an orienting sleeve 91 in pilot hole 13, and orienting sleeve 91 is sheathed on outside the guide pole 11; The purpose that an orienting sleeve 91 is set in pilot hole 13 is in order to make crane 2 more steady in process of rising or falling, the length of orienting sleeve 91 can determine that the stationarity that the relatively shorter orienting sleeve of orienting sleeve that generalized case is long keeps is better according to actual conditions.
Embodiment three: as shown in the figure, present embodiment and embodiment one are basic identical, and difference only is also to be provided with a fender bracket 54 that is used to protect translucent cover 51 outside translucent cover 51; When translucent cover 51 touches the sediment deposit of alluvial at water supply pipe 8 inner bottom parts; the material that hardness such as the handstone that is mingled with in the sediment deposit are bigger may damage translucent cover 51; translucent cover 51 can be effectively protected in the setting of fender bracket 54; but need guarantee that fender bracket 54 does not influence video capture device 52 and obtains clearly video image; as fender bracket 54 being designed to the fence structure formula; need often work in the water owing to fender bracket 54 in addition, so fender bracket 54 can be made by antiseptic and rustproof and material of greater hardness.
Embodiment four: as shown in the figure, present embodiment and embodiment one are basic identical, and difference only is on the top of the outside surface of guide pole 11 scale 12 to be set, and can know the degree of water supply pipe 8 inner bottom part mud alluvial more accurately by scale 12.
Claims (7)
1. bearing pipe video online detection device, it is characterized in that comprising workbench, crane, bracing frame and be used to drive the drive unit that described crane moves up and down with respect to described workbench, described crane is mainly by connecting cross bar and forming with the described elevating lever that is connected the cross bar connection, the bottom of described elevating lever is connected with detection probe, described detection probe is connected with display device, the bottom of described workbench is connected with lining, described lining is connected with valve on the water supply pipe, described elevating lever runs through described workbench and described lining, be provided with guide pole between described workbench and the described bracing frame, described guide pole runs through described connection cross bar, described drive unit is mainly by scroll bar, turbine and screw rod are formed, be connected with the scroll bar bracing frame on the described scroll bar, described scroll bar bracing frame is connected with the bottom of described workbench, described scroll bar and described turbine are connected with a joggle, first end of described screw rod is connected with described turbine, and described screw rod runs through described workbench, described connection cross bar and described bracing frame; First end of described connection cross bar offers pilot hole, one end of described guide pole passes described pilot hole and is connected with first end of described bracing frame, second end of described connection cross bar offers the first flat hole, second end of described connection cross bar is fixedly connected with and corresponding first nut in the described first flat hole site, offer on the described workbench and the corresponding screw in the described first flat hole site, second end of described bracing frame offers the second flat hole, described screw rod and described screw and described first nut are spirally connected, the described screw rod and the described first flat hole and the described second flat hole are connected, be bolted with second nut and the 3rd nut on the described screw rod, second end of described bracing frame is between described second nut and described the 3rd nut.
2. a kind of bearing pipe video online detection device according to claim 1 is characterized in that being connected with orienting sleeve in the described pilot hole, and described orienting sleeve is sheathed on outside the described guide pole.
3. a kind of bearing pipe video online detection device according to claim 1, it is characterized in that described elevating lever is a hollow tube, be provided with lead in the described elevating lever, one end of described lead is connected with described detection probe, and the other end of described lead is connected with described display device.
4. a kind of bearing pipe video online detection device according to claim 3, it is characterized in that described detection probe comprises translucent cover, video capture device and LED lamp, described translucent cover is connected with the bottom end seal of described elevating lever, described video capture device and described LED lamp are arranged in the described translucent cover, existing video image software for display is installed in the described display device, described video capture device obtains video image and transmitting video image is given described display device, and described display device shows the video image that receives by described video image software for display.
5. a kind of bearing pipe video online detection device according to claim 4 is characterized in that described translucent cover is outside equipped with the fender bracket that is used to protect described translucent cover.
6. a kind of bearing pipe video online detection device according to claim 4 is characterized in that described video capture device is a camera, and described display device is a LCDs.
7. a kind of bearing pipe video online detection device according to claim 1, first end that it is characterized in that described screw rod is provided with key pin and pin shaft hole, be provided with the bearing pin that is used to prop up described turbine in the described pin shaft hole, described turbine is provided with cotter way, and described key pin and described cotter way cooperatively interact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101014636A CN101634637B (en) | 2009-08-06 | 2009-08-06 | Bearing pipe video online detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101014636A CN101634637B (en) | 2009-08-06 | 2009-08-06 | Bearing pipe video online detection device |
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| CN101634637A CN101634637A (en) | 2010-01-27 |
| CN101634637B true CN101634637B (en) | 2011-07-13 |
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| CN2009101014636A Expired - Fee Related CN101634637B (en) | 2009-08-06 | 2009-08-06 | Bearing pipe video online detection device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537487B (en) * | 2010-12-24 | 2014-02-12 | 秦皇岛秦冶重工有限公司 | Valve driving device |
| CN106287109B (en) * | 2015-06-09 | 2019-03-12 | 黄建源 | Inspection method and its checking device after pipeline-cleaning |
| CN105486757B (en) * | 2015-12-23 | 2018-06-29 | 南京林城亿轮轨道交通技术有限公司 | A kind of portable defectoscope defect positioning method |
| CN106396148A (en) * | 2016-06-20 | 2017-02-15 | 无锡虹业自动化工程有限公司 | Aeration blower capable of monitoring dissolved oxygen |
| CN112697703A (en) * | 2019-10-22 | 2021-04-23 | 超能高新材料股份有限公司 | Wafer defect detection and alignment device |
| CN112302353A (en) * | 2020-10-14 | 2021-02-02 | 蒋春邦 | Deviation marking device after prefabricated plate is spliced fast |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187298Y (en) * | 1993-12-23 | 1995-01-11 | 哈尔滨工业大学 | Ring sighting optical means for inner wall of tube |
| US7422559B2 (en) * | 2004-06-16 | 2008-09-09 | Ge Inspection Technologies, Lp | Borescope comprising fluid supply system |
-
2009
- 2009-08-06 CN CN2009101014636A patent/CN101634637B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187298Y (en) * | 1993-12-23 | 1995-01-11 | 哈尔滨工业大学 | Ring sighting optical means for inner wall of tube |
| US7422559B2 (en) * | 2004-06-16 | 2008-09-09 | Ge Inspection Technologies, Lp | Borescope comprising fluid supply system |
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