CN115308367B - Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment - Google Patents
Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment Download PDFInfo
- Publication number
- CN115308367B CN115308367B CN202210833050.2A CN202210833050A CN115308367B CN 115308367 B CN115308367 B CN 115308367B CN 202210833050 A CN202210833050 A CN 202210833050A CN 115308367 B CN115308367 B CN 115308367B
- Authority
- CN
- China
- Prior art keywords
- joint
- hearing
- inhalation
- connecting pipe
- auditory
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0001—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 by organoleptic means
Abstract
The invention relates to a combined five-sensing point detection tool for hydrogen metallurgy reduction equipment, and belongs to the technical field of maintenance of metallurgical mechanical equipment. The technical proposal is as follows: the direct vision spot inspection tool comprises a concave mirror visual joint (9), a concave lens (10), a convex mirror visual joint (11), a convex lens (12) and a connecting pipe; the multidirectional visual spot-checking tool comprises a foldable connecting rod (2) and a clamping device (5) hinged at one end of the foldable connecting rod (2), wherein a mobile phone or a plane mirror is fixed on the clamping device (5); the olfactory inhalation point detection tool comprises an inhalation joint front end (14), an inhalation joint rear end (15) and a fan; the auditory point detection tool comprises an auditory joint cover (6), an auditory joint eardrum interface (7) and an auditory joint auditory needle (8). The beneficial effects of the invention are as follows: the method can judge the equipment integrity by means of sound, observation of appearance, smell and the like under the condition of not large-area disassembly and shutdown, and improves the accuracy of equipment spot inspection judgment.
Description
Technical Field
The invention relates to a combined five-sensing point detection tool for hydrogen metallurgy reduction equipment, and belongs to the technical field of maintenance of metallurgical mechanical equipment.
Background
The hydrogen metallurgy reduction equipment has the advantages that the equipment working environment is very complex and severe due to the reduction media such as hydrogen, coke oven gas and the like, various harmful media after combustion, high-temperature corrosion environments and the like, the equipment spot inspection has the severe surrounding environment, continuous operation cannot be carried out on a large scale to remove various limiting conditions such as disassembly spot inspection and the like, the equipment failure rate such as equipment corrosion, abrasion, falling off, pitting corrosion and the like is increased, and the equipment has great concealment. Equipment maintenance personnel, point inspection personnel and equipment operation post personnel are difficult to discover and process in time directly through a conventional five-sense point inspection mode, and can cause severe accidents such as bursting of compressors, cooling equipment and various medium pipelines and valve systems, and the like, so that the normal production of the hydrogen metallurgy shaft furnace is influenced.
In order to find hidden danger of equipment in time, the hidden danger of facilities needs to be found early by strengthening the post responsibility and through an advanced spot inspection tool, and the hidden danger is removed in time so as to ensure the normal operation of the equipment. Some spot inspection tools on the market have the defects of narrow application range, high electrical appliance degree, complex post operation, low service life, inconvenient carrying and the like, so that the invention accords with the production characteristics of hydrogen metallurgical equipment according to practical situations, can solve the problem of the five-sense spot inspection tools with strong pertinence of the disassembly spot inspection without stopping the equipment, and improves the accuracy of the spot inspection judgment of the equipment and the timeliness of processing faults.
Disclosure of Invention
The invention aims to provide a combined five-sensing spot inspection tool for hydrogen metallurgy reduction equipment, which can judge the equipment integrity through means of sound, observation appearance, smell and the like under the conditions of no large-area disassembly and shutdown, improves the accuracy of spot inspection judgment of the equipment and solves the problems in the background technology.
The technical scheme of the invention is as follows:
a combined five-sense spot inspection tool for hydrogen metallurgy reduction equipment comprises a direct vision spot inspection tool, a multi-directional vision spot inspection tool, an olfactory inhalation spot inspection tool and an auditory spot inspection tool;
the direct vision point inspection tool comprises a concave mirror visual connector, a concave lens, a convex mirror visual connector, a convex lens and a connecting pipe, wherein the two ends of the connecting pipe are respectively in threaded connection with the concave mirror visual connector and the convex mirror visual connector;
the multi-directional visual spot inspection tool comprises a foldable connecting rod and a clamping device hinged at one end of the foldable connecting rod, wherein the foldable connecting rod is formed by connecting a plurality of connecting rods together through pin shafts, and a mobile phone or a plane mirror is fixed on the clamping device;
the olfactory inhalation point detection tool comprises an inhalation joint front end, an inhalation joint rear end and a fan, wherein a closed cavity capable of accommodating the fan is formed between the inhalation joint front end and the inhalation joint rear end, the fan is arranged in the closed cavity between the inhalation joint front end and the inhalation joint rear end, and the inhalation joint front end is connected with a connecting pipe;
the hearing point detection tool comprises a hearing joint sealing cover, a hearing joint eardrum interface and a hearing joint hearing needle, wherein the hearing joint sealing cover is connected with the hearing joint hearing needle through a connecting pipe, the hearing joint sealing cover is provided with the hearing joint eardrum interface, and the hearing joint eardrum interface is of a hemispherical structure made of rubber.
The rear end of the suction connector is connected with a hose.
The length of the hose is less than 20 meters.
One end of the hearing joint hearing needle in the hearing point detection tool is needle-shaped or arc-shaped matched with the pipeline, the other end of the hearing joint hearing needle is hollow cylindrical, and one hollow cylindrical end of the hearing joint hearing needle is connected with the connecting pipe through the connecting sleeve.
The beneficial effects of the invention are as follows: the combined five-sensing point detection tool can be combined and disassembled at will according to field conditions, is suitable for five-sensing point detection of different working environments, can effectively and accurately judge the functional integrity of equipment, timely find various fault hidden dangers of the equipment, and can carry out effective hidden danger elimination and function recovery treatment when scheduled maintenance. Through the use, the problem that a large number of tools and instruments are required to be carried when workers check the equipment at the point is solved, the total amount of direct economic benefit can be 16 ten thousand yuan in the year, and the effective and stable operation of the equipment is protected.
Drawings
FIG. 1 is a view of the assembly of the combined five-touch point inspection tool after disassembly;
FIG. 2 is an assembly view of an intuitive point inspection tool;
FIG. 3 is an assembly view of a multi-directional visual inspection tool;
FIG. 4 is an assembly view of an olfactory inhalation spot check tool;
FIG. 5 is an assembly view of an auditory point inspection tool;
FIG. 6 is an enlarged schematic view of an auditory point inspection tool;
FIG. 7 is a schematic view of a needle-like auditory joint auditory needle;
FIG. 8 is a schematic view of an arcuate auditory joint auditory needle;
FIG. 9 is a schematic view of an olfactory inhalation point test tool connection hose;
in the figure: 1. a connecting pipe; 2. a foldable connecting rod 1; 3-a first pin shaft; 4-a second pin shaft; 5-clamping means; 6-hearing joint cover; 7-auditory tab-to-drum interface; 8-hearing the needle through the auditory joint; 9-concave mirror visual joint; 10-concave lens; 11-a convex visual joint; 12-convex lenses; 13 connecting sleeve, 14-the front end of the suction joint; 15-rear end of suction connector, 16-hose.
Detailed Description
The invention is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1-9, a combined five sense spot check tool for a hydrogen metallurgy reduction device comprises a direct vision spot check tool, a multi-directional vision spot check tool, an olfactory inhalation spot check tool and an auditory spot check tool;
the direct vision point inspection tool comprises a concave mirror visual connector 9, a concave lens 10, a convex mirror visual connector 11, a convex lens 12 and a connecting pipe, wherein two ends of the connecting pipe are respectively connected with the concave mirror visual connector 9 and the convex mirror visual connector 11 in a threaded manner, holes which are arranged concentrically with the connecting pipe are respectively formed in the concave mirror visual connector 9 and the convex mirror visual connector 11, the concave lens 10 is arranged in the holes which are arranged concentrically with the connecting pipe on the concave mirror visual connector 9, and the convex lens 12 is arranged in the holes which are arranged concentrically with the connecting pipe on the convex mirror visual connector 11;
the multi-directional visual spot inspection tool comprises a foldable connecting rod 2 and a clamping device 5 hinged at one end of the foldable connecting rod 2, wherein the foldable connecting rod 2 is formed by connecting a plurality of connecting rods together through pin shafts, and a mobile phone or a plane mirror is fixed on the clamping device 5;
the olfactory inhalation point detection tool comprises an inhalation joint front end 14, an inhalation joint rear end 15 and a fan, wherein a closed cavity capable of accommodating the fan is formed between the inhalation joint front end 14 and the inhalation joint rear end 15, the fan is arranged in the closed cavity between the inhalation joint front end 14 and the inhalation joint rear end 15, and the inhalation joint front end 14 is connected with a connecting pipe;
the hearing point inspection tool comprises a hearing joint sealing cover 6, a hearing joint eardrum interface 7 and a hearing joint hearing needle 8, wherein the hearing joint sealing cover 6 and the hearing joint hearing needle 8 are connected through a connecting pipe, the hearing joint sealing cover 6 is provided with the hearing joint eardrum interface 7, and the hearing joint eardrum interface 7 is of a hemispherical structure made of rubber.
In this embodiment, the assembly diagram of the disassembled combined five-sense point inspection tool is shown in fig. 1, and the requirements of five-sense point inspection such as hearing, vision, smell and the like can be realized through different combinations, and the characteristics of incapability of stopping machine, difficulty in disassembly, multiple hidden parts and the like of continuous production equipment are fully considered, so that the characteristics of hearing, intuitionism, multidirectional vision, smell, long-distance gas detection and the like are realized, and the functional satisfaction degree and the integrity degree of equipment and facilities are fully judged through professional skills such as visual perception, touch feeling, hearing judgment and the like of the inspection workers, so that hidden troubles of various equipment and facilities can be found in time, an inspection plan is made, the hidden trouble is eliminated in time, and the functional requirements of the equipment and the facilities are continuously recovered and perfected. The invention fully considers the characteristics of the field, fully considers the aspects of field assembly, spot inspection, service life and convenient carrying, and realizes a plurality of functions of a set of tools.
Wherein: (1) the connecting pipe 1 is made of stainless steel thick-wall pipes with the inner diameter of 15mm and the outer diameter of 20mm and is provided with external threads at two ends, and can be completely connected through a joint or partially connected according to the needs. Is the main support carrier of the assembly;
(2) the foldable connecting rod 2 is a foldable connecting rod formed by connecting a plurality of connecting rods together through pin shafts, and a foldable multi-vision joint is formed by the foldable connecting rod and the clamping device 5, wherein the clamping device 5 is a commonly used clamping device for fixing a mobile phone, such as a mobile phone in a selfie stick for clamping, and the functions of taking photos, video and the like can be achieved through Bluetooth operation; the flat mirror can be clamped, and the LED lamp can be bound and additionally arranged on the side part of the flat mirror when necessary, so that multidirectional vision can be realized;
(3) the auditory joint cover 6, the auditory joint eardrum interface 7 and the auditory joint auditory needle 8 together form an auscultation joint, and the front end is provided with a needle-shaped joint or an arc-shaped joint, as shown in figures 7 and 8.
(4) The concave visual joint 9, the concave lens 10, the convex visual joint 11 and the convex lens 12 form an intuitive joint together, the visual distance of the lens is manufactured according to the focal length f=300 mm, the lens is arranged on the lens joints manufactured at the two ends, and the lens is similar to a small hole of a telescope, can be connected to a connecting pipe through threads, and can effectively solve the problem that part of remote equipment cannot be seen clearly and cannot be checked;
(5) the suction connection front end 14 and the suction connection rear end 15 together form a suction connection, the suction connection is manufactured based on a DFB601505L molded fan, and the gas concentration is monitored at the end. While at the same time. Making the metal hose 16 allows for back-up monitoring of deeper gas lines, fan parameters: the voltage is 3.5-4.5V, the air quantity is 15.43, the air pressure is 1.47 millimeter water column, and the specification size is 60 x 15.
(6) The connecting sleeve 13 is a common part for connecting the components, and has an internal thread.
Assembling process and requirements
(1) Assembling process and requirement of direct vision spot inspection tool:
referring to fig. 2, the direct-vision point inspection tool is composed of a concave mirror visual joint 9, a concave lens 10, a convex mirror visual joint 11 and a convex lens 12, holes which are arranged concentrically with the connecting pipe 1 are respectively arranged on the concave mirror visual joint 9 and the convex mirror visual joint 11, the concave lens 10 is arranged on the concave mirror visual joint 9 and the holes which are arranged concentrically with the connecting pipe 1, and the convex lens 12 is arranged on the convex mirror visual joint 11 and the holes which are arranged concentrically with the connecting pipe 1. As the observation end of the straight vision component, the focal length is adjusted through threads on two sides, the visual distance of the lens is generally manufactured according to the focal length f=300 mm, and the lens is similar to a small hole of a telescope, can be connected to the connecting pipe 1 through threads, and can effectively solve the problem that part of remote equipment cannot be seen clearly and cannot be checked. When the device is used, the lens joints at two ends are screwed on any rod of the connecting pipe 1, threads are adjusted, the visual effect is optimal when f=300 is achieved, the device can be used as an effective tool for observing long-distance and non-near observation and observing and checking the tail end of a pipeline, and the problem of definition can be effectively solved due to the fact that vision has a part of amplifying function, and the device has a great promoting effect on visual point detection in five-sense point detection.
(2) Assembling process and requirement of multi-directional visual spot inspection tool:
referring to fig. 3, the folding mobile phone comprises a foldable connecting rod 2, a first pin shaft 3, a second pin shaft 4, a clamping device 5 and a plane mirror or mobile phone, wherein the two connecting rods are connected through two pin shafts to form the foldable rod, so that folding and multidirectional vision can be realized, the clamping device 5 is a commonly used clamping device for fixing the mobile phone, such as the clamping of the mobile phone in a selfie stick, and the functions of taking photos, video and the like can be realized through bluetooth operation; the flat mirror can be clamped, and the LED lamp can be bound and installed on the side part of the flat mirror when necessary, so that multidirectional vision is realized. According to the appearance characteristics of the equipment and the direction orientation of the hidden part, the length of the common connecting rod and the angle of the foldable rod are selected, so that the plane mirror or the mobile phone camera is aligned to the corresponding part to be inspected, and the situation of the part, whether the crack, the corrosion condition, the integrity and the like are visually diagnosed through the reflected light of the plane mirror or the image of the mobile phone camera.
(3) The assembly process and the requirement of the olfactory inhalation spot inspection tool are as follows:
referring to fig. 4, the suction connector is composed of a suction connector front end 14 and a suction connector rear end 15, the suction connector is embedded in the front end and the rear end of the suction connector based on a DFB601505L molding fan, the remote gas is pumped by the fan, and the gas concentration is monitored or the olfactory point is detected at the tail end of the connecting pipe 1. Meanwhile, when needed, the joint of the metal hose 16 can be manufactured, as shown in fig. 9, the metal hose 16 can be 10 meters long, 20 meters long and the like, and the gas concentration of the depths of 10 meters and 20 meters can be monitored for standby. The actual concentration is required to be obtained after the operation of the fan is stable during monitoring and the monitoring value of the outlet is stable. Fan parameters: the voltage is 3.5-4.5V, the air quantity is 15.43, the air pressure is 1.47 mm water column, the specification size is 60 x 15, the fan DFB601505L can be used for forming a battery, and the tail end of a connecting pipe can be used for judging smell or monitoring gas concentration through an olfactory or gas monitor. In order to ensure the gas accuracy, a sealing device such as a raw material belt or flax is additionally arranged at the joint threads. The objects to be inspected mainly include equipment olfactory detection, limited space gas detection and the like which cannot be approached.
(4) The assembly process and the requirement of the hearing spot inspection tool are as follows:
referring to fig. 5, the auscultation joint is composed of an auditory joint cover 6, an auditory joint ear drum interface 7 and an auditory joint auditory needle 8, wherein the front end is provided with a needle-shaped joint, and the rear end is provided with a towing head, so that auscultation of the ear drum end is facilitated. The connecting pipes 1 can be assembled together through the connecting sleeve 13, and 2 or 3 connecting pipes can be selected according to the distance. When the device is used, the auditory joint auditory needle 8 contacts with the parts of the machine body such as a motor, a speed reducer and the like, which need auscultation, and the auditory joint ear drum interface 7 is directly pressed on the ear drum of a spot inspector, so that whether the operating part of the device is good or not can be judged through auditory judgment. The auscultation joint eardrum interface 7 is made of rubber, so that the interference generated by the vibration of the stethoscope and the activity of a human body can be effectively reduced, and the auscultation precision is improved.
Auxiliary joint
In the daily spot inspection process, the existing parts with insufficient equipment length or depth, such as barrel type limited space internal gas monitoring, need to be tested up, down and up, and the auxiliary connection of spot inspection tools is needed to be added for completion.
As shown in fig. 7, the length L of the long auditory joint auditory needle is 300mm at the maximum, the clickable range of the auditory needle assembly can be lengthened again, and the number of connecting pipes needs to be reduced again.
As shown in fig. 8, the crescent auditory joint auditory needle can be used for auscultation inside a pipe fitting shape and cleaning rusting and corrosion of the epidermis, and can effectively find defects such as cracks and bulges of the epidermis. The joint can be used alone or assembled to a connecting pipe.
As shown in fig. 9, the length of the connecting hose 16 is 20m at maximum, and exceeds 20m, the pressure of suction is significantly reduced, other components are mixed in the gas, and the concentration value is distorted, so that the concentration of the gas is monitored only within the depth or 20 m.
Claims (3)
1. A be used for hydrogen metallurgy reduction equipment combination formula five sense point to examine instrument which characterized in that: the device comprises a direct vision spot inspection tool, a multidirectional vision spot inspection tool, an olfactory inhalation spot inspection tool and an auditory spot inspection tool;
the direct vision point inspection tool comprises a concave mirror visual connector (9), a concave lens (10), a convex mirror visual connector (11), a convex lens (12) and a connecting pipe, wherein the two ends of the connecting pipe are respectively connected with the concave mirror visual connector (9) and the convex mirror visual connector (11) in a threaded manner, holes which are arranged concentrically with the connecting pipe are respectively formed in the concave mirror visual connector (9) and the convex mirror visual connector (11), the concave lens (10) is arranged in the holes which are arranged concentrically with the connecting pipe in the concave mirror visual connector (9), and the convex lens (12) is arranged in the holes which are arranged concentrically with the connecting pipe in the convex mirror visual connector (11);
the multi-directional visual point inspection tool comprises a foldable connecting rod (2) and a clamping device (5) hinged at one end of the foldable connecting rod (2), wherein the foldable connecting rod (2) is formed by connecting a plurality of connecting rods together through pin shafts, and a mobile phone or a plane mirror is fixed on the clamping device (5);
the olfactory inhalation point detection tool comprises an inhalation joint front end (14), an inhalation joint rear end (15) and a fan, wherein a closed cavity capable of accommodating the fan is formed between the inhalation joint front end (14) and the inhalation joint rear end (15), the fan is arranged in the closed cavity between the inhalation joint front end (14) and the inhalation joint rear end (15), and the inhalation joint front end (14) is connected with a connecting pipe;
the hearing point inspection tool comprises a hearing joint sealing cover (6), a hearing joint eardrum interface (7) and a hearing joint hearing needle (8), wherein the hearing joint sealing cover (6) and the hearing joint hearing needle (8) are connected through a connecting pipe, the hearing joint eardrum interface (7) is arranged on the hearing joint sealing cover (6), the hearing joint eardrum interface (7) is of a hemispherical structure manufactured by rubber, one end of the hearing joint hearing needle (8) is in a needle shape or an arc shape matched with a pipeline, the other end of the hearing joint hearing needle (8) is in a hollow cylinder shape, and one hollow cylinder end of the hearing joint hearing needle (8) is connected with the connecting pipe through a connecting sleeve.
2. A combined five-sensing spot check tool for a hydrogen metallurgical reduction apparatus according to claim 1, wherein: the rear end (15) of the suction joint is connected with a hose.
3. A combined five-sensing spot check tool for a hydrogen metallurgical reduction apparatus according to claim 2, wherein: the length of the hose is less than 20 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210833050.2A CN115308367B (en) | 2022-07-14 | 2022-07-14 | Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210833050.2A CN115308367B (en) | 2022-07-14 | 2022-07-14 | Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115308367A CN115308367A (en) | 2022-11-08 |
| CN115308367B true CN115308367B (en) | 2023-05-23 |
Family
ID=83857807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210833050.2A Active CN115308367B (en) | 2022-07-14 | 2022-07-14 | Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115308367B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007515621A (en) * | 2003-06-11 | 2007-06-14 | フリー ブラザーズ エルエルシィ | System and method for performing inspections and detecting chemical leaks using an infrared camera system |
| JP5317706B2 (en) * | 2007-02-02 | 2013-10-16 | 明 伴野 | Display device |
| CN202041380U (en) * | 2011-03-24 | 2011-11-16 | 河北钢铁股份有限公司邯郸分公司 | Handheld auscultation rod for qualitatively judging running state of bearing |
| CN208921661U (en) * | 2018-10-10 | 2019-05-31 | 包头市特种设备检验所 | It is a kind of can visual observation and tap check inspection of the boiler tool |
| CN209605931U (en) * | 2018-12-26 | 2019-11-08 | 中国大唐集团有限公司 | One kind is collapsible to listen needle |
| JP2020144057A (en) * | 2019-03-07 | 2020-09-10 | 中国電力株式会社 | Safety confirmation device |
| EP3715835A1 (en) * | 2019-03-29 | 2020-09-30 | Mettler-Toledo Pharmacontrol Electronic GmbH | Inspection system |
| CN211427638U (en) * | 2019-09-26 | 2020-09-04 | 一汽-大众汽车有限公司 | Automatic painting robot teaching tool and painting robot |
| CN111141460A (en) * | 2019-12-25 | 2020-05-12 | 西安交通大学 | Equipment gas leakage monitoring system and method based on artificial intelligence sense organ |
| CN212597220U (en) * | 2020-05-26 | 2021-02-26 | 南京博开捷信息技术有限公司 | Visual detection device convenient to carry |
-
2022
- 2022-07-14 CN CN202210833050.2A patent/CN115308367B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115308367A (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115308367B (en) | Combined five-sensing point detection tool for hydrogen metallurgy reduction equipment | |
| CN106033021B (en) | A kind of online leak detecting device of steam security valve | |
| CN208155536U (en) | A kind of conduit air tightness tester | |
| CN113465843A (en) | Equipment and method for detecting tightness of ship pipeline system | |
| CN201034796Y (en) | Device detecting automobile air conditioner system | |
| CN201892605U (en) | External-clamping end face seal type water-pressure tester for small-bore internal screw pipe | |
| CN212929181U (en) | Movable joint lens for pipeline detection | |
| CN204405274U (en) | A kind of device suppressing instrument for the connection of multiple spot stagnation pressure tube | |
| JP2709159B2 (en) | Endoscope device | |
| CN206356749U (en) | High-pressure gas double-wall pipe weld monitoring system | |
| CN205562480U (en) | Chain link rapid Assembly mechanism that is fit for pipeline ultrasonic non -destructive testing device | |
| CN208721618U (en) | A kind of small diameter tube weld seam phased array detection test block | |
| CN219473445U (en) | Leakage-proof gas pipeline | |
| CN112903582A (en) | Equipment for detecting hydraulic pipeline | |
| CN219675354U (en) | Endoscope detects leak hunting device | |
| CN210005136U (en) | kinds of shield earth pressure sensor detection device | |
| CN207623064U (en) | A kind of fixation, sealing, positioning device for coal fines sampling apparatus | |
| CN216870399U (en) | Fixed handheld detector of wrist strap that aircraft pipe defect detection used | |
| CN209945195U (en) | Tool for detecting wear state of engine valve sealing pair | |
| CN217930712U (en) | Online bellows gas tightness testing arrangement | |
| CN215003720U (en) | Sound amplification type point inspection bar | |
| CN220084764U (en) | Scanning device suitable for pipeline inner wall annular welding seam detects | |
| CN215217949U (en) | Device for detecting sealing performance of gas chamber of bypass exhaust valve of steam turbine of nuclear power plant | |
| CN214247454U (en) | Engine oil pressure and temperature integrated test auxiliary tool | |
| CN211205729U (en) | Automobile urea pump water outlet retainer ring pull-out force testing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |