CN108426672A - A kind of novel fast checking joint of pressure gauge and its application method - Google Patents
A kind of novel fast checking joint of pressure gauge and its application method Download PDFInfo
- Publication number
- CN108426672A CN108426672A CN201810639651.3A CN201810639651A CN108426672A CN 108426672 A CN108426672 A CN 108426672A CN 201810639651 A CN201810639651 A CN 201810639651A CN 108426672 A CN108426672 A CN 108426672A
- Authority
- CN
- China
- Prior art keywords
- air source
- joint
- groove
- jointing
- gas pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of novel fast checking joint of pressure gauge and its application methods, including shell, screw thread slack joint, air source jointing, interior clamp, spring and outer clamp;The top of shell is provided with upper groove, and lower part is provided with lower groove;The center of upper groove is provided with the first through hole being connected with lower groove;Screw thread slack joint seat is set on upper groove, and the second through hole that air supply source jointing is worn is provided at the position of screw thread slack joint the first through hole of correspondence;Spring pocket is set on air source jointing, and the upper end of spring upper end and lower groove abuts against, and lower spring end is abutted against with the cover board for being laid in lower groove lower part;Screw thread slack joint includes the claw valve of several bottom integrally connecteds.It has many advantages, such as that reasonable in design, easy for operation, maintenance cost is low, automation and intelligentification degree is high, sealing effect is good, the precision of verification is higher, can effectively reduce the working strength of verification personnel and improves working efficiency.
Description
Technical field
The present invention relates to pressure meter calibration technical field more particularly to a kind of novel fast checking joint of pressure gauge and its make
Use method.
Background technology
Existing verification connector of pressure gage needs pressure gauge being tightened on nipple in verification, however uses the screw thread
There are the bad situations of sealing effect for the method for connection, while needing in checking procedure to be adjusted reinforcing, such nothing with spanner
It doubts and causes instrument and meter and accidental injury staff inconvenient to use, while there is also easy shock damage surrounding, and for
When more pressure gauge needs to be detected, it be easy to cause worker and verifies that labor intensity is big, reduces working efficiency while verification
Precision also is difficult to ensure, to bringing hidden danger in subsequent use.
Invention content
It is an object of the invention to:Overcome quick test connector for pressure gauge above shortcomings in the prior art, provides
A kind of novel fast checking joint of pressure gauge and its application method, with it is reasonable in design, easy for operation, safeguard at
This is low, automation and intelligentification degree is high, sealing effect is good, the precision of verification is higher, it is strong effectively to reduce the work of verification personnel
The advantages that degree and raising working efficiency.
In order to achieve the above object, the present invention adopts the following technical scheme that realization:
A kind of novel fast checking joint of pressure gauge, the checking joint include shell, screw thread slack joint, air source connection
Connector, interior clamp, spring and outer clamp;Wherein, the top of the shell is provided with upper groove, and lower part is provided with lower groove;Institute
The center for stating upper groove is provided with the first through hole being connected with lower groove;The screw thread slack joint seat is set to the fovea superior
On slot, second worn for the air source jointing is provided at the position of the first through hole of the screw thread slack joint correspondence
Through hole;The interior clamp is set to the top of air source jointing, and is fixedly installed on the inner wall of screw thread slack joint and uses
It is moved upwards in limiting the air source jointing;The spring pocket is set on air source jointing, and spring upper end is under
The upper end of groove abuts against, and lower spring end is abutted against with the cover board for being laid in lower groove lower part;The outer diameter of the cover board be less than or
Person is equal to the internal diameter of lower groove;The outer clamp is set to the bottom table at the pre-groove on air source jointing and with cover board
Face is abutted against to be moved downward for limiting the air source jointing;The screw thread slack joint includes that several bottoms integrally connect
The claw valve connect, when work, when the downward compressed spring of shell is moved relative to air source jointing, the claw valve it is upper
The upper groove can be stretched out and be unfolded opening-like;When not working, the top of the claw valve is in contact with upper groove top surface
And it shrinks and is in the form of a column.
As advanced optimizing for said program, ring packing baltimore groove, institute are additionally provided on the air source jointing
It states in sealing baltimore groove and sealing ring is installed.
As advanced optimizing for said program, the upper surface of the cover board is also integrally formed with guide cylinder, the guiding
The inner wall of cylinder connects with the outer wall of air source jointing for the guiding role to spring;The guide cylinder and air source jointing
Contact site on be provided with damping frosting.
As advanced optimizing for said program, the centre of the air source jointing is provided with third through hole;It is described
The quantity of claw valve is four, wherein being provided on non-adjacent any two claw valve prevents claw valve to be fully retracted into fovea superior
Limit fixed jaw in slot.
As advanced optimizing for said program, the quantity of the claw valve is at least three, in the claw valve at least
There are two be provided with that claw valve is prevented to be fully retracted into the limit fixed jaw of upper groove.
As advanced optimizing for said program, the screw thread slack joint is connected with pressure gauge, the air source connection
Connector is connected with air-source pump;The checking joint further includes automatic control unit, and described automatic control assembly includes that can compile
Range controller, the alarm being connect with programmable controller, the screw thread slack joint is provided with pressure gauge junction to be used for
The first gas pressure sensor of detection screw thread slack joint and pressure gauge junction gas pressure in real time, the air source connect
The junction of head and air-source pump is provided with the of the junction gas pressure for detecting air source jointing and air-source pump in real time
Two gas pressure sensors, the first gas pressure sensor and second gas pressure sensor and programmable controller data
Signal connects, for the corresponding gas pressure value detected in real time to be sent to programmable controller;The programmable controller connects
Receive the first gas pressure sensor, the corresponding real-time gas pressure value signal that second gas pressure sensor is sent, and will
The two gas pressure value signals received make difference relatively after carrying out data conversion, when pressure difference between the two is beyond pre-
If threshold value when, then programmable controller control alarm send out alarm sound.
As advanced optimizing for said program, the programmable controller further includes being connected with programmable controller
Display, wireless transceiver, the programmable controller control display real-time display first gas pressure sensor and second
The gas pressure value of gas pressure sensor detection;The wireless transceiver passes through wireless network and remote monitoring center or intelligence
Energy communication of mobile terminal connection, the gas pressure for detecting first gas pressure sensor, second gas pressure sensor
Value and the two make poor result of the comparison and are sent to remote monitoring center or intelligent mobile terminal.
Further include the installation seat plate for being verified to multiple pressure gauges, institute as advanced optimizing for said program
It states and is provided with installation connecting hole arranged in arrays on installation seat plate, there are one the schools for installation on each installation connecting hole
Test connector.
As advanced optimizing for said program, it is provided with anti-skid chequer in the housing outer surface, on the installation seat plate
It is provided with the electronic push plate to move up and down relative to air source jointing for drive shell.
The application method of the above-mentioned novel fast checking joint of pressure gauge of the present invention includes the following steps:
1) air source is connected come connector with air-source pump;
2) by applying the active force moved downward to shell, its downward compressed spring is made to make relative to air source jointing
It moves downward, the extended upper groove in the top of claw valve and opening-like, and " occlusion " pressure connected to it is unfolded at this time
Power meter connector;
3) complete step 2) after, stop to shell apply active force, under spring action, the top of above-mentioned claw valve with
Upper groove top surface is in contact and shrinks and is in the form of a column, you can completes the installation of checking joint;After the completion of waiting for pressure meter calibration, tear open successively
Except screw thread slack joint and air source jointing.
The novel fast checking joint of pressure gauge using the present invention and its application method have the advantages that:
(1) structure design is more reasonable, and operation is more convenient, and verifying work personnel can be directly quickly gentle by pressure gauge
Source pump is attached, and avoids various drawbacks existing for the threaded connection in Normal practice.
(2) using damping frosting, can realize shell do move up and down relative to air source jointing when, stress is equal
It is even, effectively increase the service life of whole device.
(3) Automatic Control Components such as first gas pressure sensor, second gas pressure sensor are used, can be improved whole
The degree of automation of a device, and can accurately understand the situation of the sealing performance of fast checking joint.
(4) verifying work personnel can be facilitated to read real-time detected value and difference using display, while is received using wireless
Hair device can be communicated remotely, and the working strength of personnel is greatly reduced.
(5) it can be used in verifying multiple pressure gauges using installation seat plate, can be effectively increased within the unit interval
Efficiency is verified, is worthy of promotion and application.
Description of the drawings
Attached drawing 1 is the front view of the novel fast checking joint of pressure gauge of the present invention.
Attached drawing 2 is the A-A sectional views of the novel fast checking joint of pressure gauge of the present invention in Fig. 1.
Attached drawing 3 be the novel fast checking joint of pressure gauge of the present invention at work, the schematic diagram under claw valve stretching state.
Specific implementation mode
1-3 makees with specifically the novel fast checking joint of pressure gauge of the present invention and its application method below in conjunction with the accompanying drawings
It is bright.
A kind of novel fast checking joint of pressure gauge, the checking joint include shell 1, screw thread slack joint 2, air source company
Connector 3, interior clamp 4, spring 5 and outer clamp 6;Wherein, the top of the shell is provided with upper groove 7, and lower part is provided with down
Groove 8;The center of the upper groove is provided with the first through hole 9 being connected with lower groove;The screw thread slack joint seat is set
In on the upper groove, it is provided with for the air source jointing at the position of the first through hole of the screw thread slack joint correspondence
The second through hole 10 worn;The interior clamp is set to the top of air source jointing, and is fixedly installed in that screw thread is elastic to be connect
It is moved upwards on the inner wall of head for limiting the air source jointing;The spring pocket is set on air source jointing, and
The upper end of spring upper end and lower groove abuts against, and lower spring end is abutted against with the cover board 11 for being laid in lower groove lower part;The lid
The outer diameter of plate is less than or equal to the internal diameter of lower groove;The outer clamp is set at the pre-groove on air source jointing simultaneously
It abuts against with the bottom surface of cover board and is moved downward for limiting the air source jointing;If the screw thread slack joint includes
When work, the downward compressed spring of shell is moved relative to air source jointing for a claw valve 12 for dry bottom integrally connected
When, the extended upper groove in top of the claw valve is simultaneously unfolded opening-like;When not working, the top of the claw valve with
Upper groove top surface is in contact and shrinks and is in the form of a column.
It is additionally provided with ring packing baltimore groove 13 on the air source jointing, sealing is installed in the sealing baltimore groove
Circle.
Also integrally formed with guide cylinder, the inner wall of the guide cylinder is outer with air source jointing for the upper surface of the cover board
Wall connects for the guiding role to spring;The guide cylinder is provided with damping frosted on the contact site of air source jointing
Face.
The centre of the air source jointing is provided with third through hole 14;The quantity of the claw valve is four, wherein
It is provided with the limit fixed jaw for preventing claw valve to be fully retracted into upper groove on non-adjacent any two claw valve.
The quantity of the claw valve is at least three, and at least there are two be provided with to prevent claw valve whole in the claw valve
It is retracted to the limit fixed jaw of upper groove.
The screw thread slack joint is connected with pressure gauge, and the air source jointing is connected with air-source pump;The school
It further includes automatic control unit to test connector, and described automatic control assembly includes programmable controller, connects with programmable controller
The alarm connect, the screw thread slack joint are provided with pressure gauge junction for detecting screw thread slack joint and pressure in real time
The junction setting of the first gas pressure sensor of table junction gas pressure, the air source jointing and air-source pump is useful
In the second gas pressure sensor of the junction gas pressure of detection air source jointing and air-source pump in real time, first gas
Pressure sensor is connect with second gas pressure sensor with programmable controller data-signal, the phase for that will detect in real time
Gas pressure value is answered to be sent to programmable controller;The programmable controller receives the first gas pressure sensor, the
Two gas pressure sensors send corresponding real-time gas pressure value signal, and by receive two gas pressure value signals into
Carry out making difference after row data conversion relatively, when pressure difference between the two exceeds preset threshold value, then programmable controller control
Alarm processed sends out alarm sound.
The programmable controller further includes the display being connected with programmable controller, wireless transceiver, it is described can
Programmable controller controls the gas of display real-time display first gas pressure sensor and the detection of second gas pressure sensor
Pressure value;The wireless transceiver is communicated to connect by wireless network and remote monitoring center or intelligent mobile terminal, is used for
Gas pressure value and the two that first gas pressure sensor, second gas pressure sensor detect are made into poor result of the comparison hair
It send to remote monitoring center or intelligent mobile terminal.
Further include the installation seat plate for being verified to multiple pressure gauges, is provided on the installation seat plate and is arranged in matrix
The installation connecting hole of row, each there are one the checking joints for installation on the installation connecting hole.
It is provided with anti-skid chequer in the housing outer surface, is provided with for drive shell relative to gas on the installation seat plate
The electronic push plate that source jointing moves up and down.
The application method of the above-mentioned novel fast checking joint of pressure gauge of the present invention includes the following steps:
1) air source is connected come connector with air-source pump;
2) by applying the active force moved downward to shell, its downward compressed spring is made to make relative to air source jointing
It moves downward, the extended upper groove in the top of claw valve and opening-like, and " occlusion " pressure connected to it is unfolded at this time
Power meter connector;
3) complete step 2) after, stop to shell apply active force, under spring action, the top of above-mentioned claw valve with
Upper groove top surface is in contact and shrinks and is in the form of a column, you can completes the installation of checking joint;After the completion of waiting for pressure meter calibration, tear open successively
Except screw thread slack joint and air source jointing.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (10)
1. a kind of novel fast checking joint of pressure gauge, it is characterised in that:The checking joint includes that shell (1), screw thread are elastic
Connector (2), air source jointing (3), interior clamp (4), spring (5) and outer clamp (6);Wherein, the top setting of the shell
There are upper groove (7), lower part to be provided with lower groove (8);The center of the upper groove is provided with first to be connected with lower groove and passes through
Through-hole (9);The screw thread slack joint seat is set on the upper groove, and the screw thread slack joint corresponds to the position of the first through hole
The place of setting is provided with the second through hole (10) worn for the air source jointing;The interior clamp is set to air source jointing
Top, and be fixedly installed on the inner wall of screw thread slack joint and move upwards for limiting the air source jointing;It is described
Spring pocket is set on air source jointing, and the upper end of spring upper end and lower groove abuts against, and lower spring end and is laid in down
The cover board (11) of groove lower part abuts against;The outer diameter of the cover board is less than or equal to the internal diameter of lower groove;The outer clamp is set
It at the pre-groove being placed on air source jointing and abuts against to connect for limiting the air source with the bottom surface of cover board and connect
Head moves downward;The screw thread slack joint includes the claw valve (12) of several bottom integrally connecteds, when work, by shell to
When lower compressed spring is moved relative to air source jointing, the extended upper groove in top of the claw valve and be unfolded be in
Openning shape;When not working, the top of the claw valve, which is in contact and shrinks with upper groove top surface, to be in the form of a column.
2. the novel fast checking joint of pressure gauge according to claim 1, it is characterised in that:On the air source jointing
It is additionally provided with ring packing baltimore groove (13), sealing ring is installed in the sealing baltimore groove.
3. the novel fast checking joint of pressure gauge according to claim 1 or 2, it is characterised in that:The upper table of the cover board
Also integrally formed with guide cylinder, the inner wall of the guide cylinder connects with the outer wall of air source jointing for the guiding to spring in face
Effect;The guide cylinder is provided with damping frosting on the contact site of air source jointing.
4. the novel fast checking joint of pressure gauge according to claim 1, it is characterised in that:The air source jointing
Centre is provided with third through hole (14);The quantity of the claw valve is four, wherein on non-adjacent any two claw valve
It is provided with the limit fixed jaw for preventing claw valve to be fully retracted into upper groove.
5. the novel fast checking joint of pressure gauge according to claim 1, it is characterised in that:The quantity of the claw valve is
At least three, at least there are two be provided with that claw valve is prevented to be fully retracted into the limit fixed jaw of upper groove in the claw valve.
6. the novel fast checking joint of pressure gauge according to claim 1, it is characterised in that:The screw thread slack joint with
Pressure gauge is connected, and the air source jointing is connected with air-source pump;The checking joint further includes automatic control unit, institute
State the automatic control assembly include programmable controller, the alarm that is connect with programmable controller, the screw thread slack joint
Pressure gauge junction is provided with the first gas for detecting screw thread slack joint and pressure gauge junction gas pressure in real time
The junction of pressure sensor, the air source jointing and air-source pump is provided with for detecting air source jointing and gas in real time
The second gas pressure sensor of the junction gas pressure of source pump, the first gas pressure sensor and second gas pressure
Sensor is connect with programmable controller data-signal, for the corresponding gas pressure value detected in real time to be sent to programmable control
Device processed;The programmable controller receive the first gas pressure sensor, second gas pressure sensor send it is corresponding
Real-time gas pressure value signal, and make difference relatively after receive two gas pressure value signals are carried out data conversion,
When pressure difference between the two exceeds preset threshold value, then programmable controller control alarm sends out alarm sound.
7. the novel fast checking joint of pressure gauge according to claim 6, it is characterised in that:The programmable controller is also
Include the display being connected with programmable controller, wireless transceiver, the programmable controller control display is shown in real time
Show the gas pressure value of first gas pressure sensor and the detection of second gas pressure sensor;The wireless transceiver passes through nothing
Gauze network is communicated to connect with remote monitoring center or intelligent mobile terminal, is used for first gas pressure sensor, the second gas
The gas pressure value and the two of pressure sensor detection make poor result of the comparison and are sent to remote monitoring center or intelligent sliding
Dynamic terminal.
8. the novel fast checking joint of pressure gauge according to claim 1, it is characterised in that:Further include for multiple pressures
The installation seat plate that power table is verified is provided with installation connecting hole arranged in arrays on the installation seat plate, each peace
Filling installation on connecting hole, there are one the checking joints.
9. the novel fast checking joint of pressure gauge according to claim 8, it is characterised in that:It is set in the housing outer surface
Be equipped with anti-skid chequer, be provided on the installation seat plate for drive shell move up and down relative to air source jointing it is electronic
Push plate.
10. a kind of application method of the novel fast checking joint of pressure gauge according to any one of claim 1-9, special
Sign is that the application method includes:
1) air source is connected come connector with air-source pump;
2) by applying the active force moved downward to shell, its downward compressed spring is made to make relative to air source jointing downward
At this time the extended upper groove in the top of claw valve and opening-like, and " occlusion " pressure gauge connected to it is unfolded in movement
Connector;
3) after completing step 2), stop applying active force, under spring action, the top of above-mentioned claw valve and fovea superior to shell
Groove top face is in contact and shrinks and is in the form of a column, you can completes the installation of checking joint;After the completion of waiting for pressure meter calibration, spiral shell is removed successively
Line slack joint and air source jointing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810639651.3A CN108426672B (en) | 2018-06-20 | 2018-06-20 | Novel quick check joint for pressure gauge and application method of novel quick check joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810639651.3A CN108426672B (en) | 2018-06-20 | 2018-06-20 | Novel quick check joint for pressure gauge and application method of novel quick check joint |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108426672A true CN108426672A (en) | 2018-08-21 |
CN108426672B CN108426672B (en) | 2023-08-29 |
Family
ID=63164924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810639651.3A Active CN108426672B (en) | 2018-06-20 | 2018-06-20 | Novel quick check joint for pressure gauge and application method of novel quick check joint |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108426672B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1368927A (en) * | 1921-02-09 | 1921-02-15 | Low-pressure a | |
CN101793580A (en) * | 2010-03-31 | 2010-08-04 | 童纪国 | Quick test connector for pressure gauge |
RU136570U1 (en) * | 2012-10-01 | 2014-01-10 | Открытое акционерное общество "Сургутнефтегаз" | STAND FOR PNEUMATIC TESTS OF THREADED PIPE CONNECTIONS |
CN103728098A (en) * | 2013-12-23 | 2014-04-16 | 重庆布莱迪仪器仪表有限公司 | Verification connector of pressure gage |
CN206056889U (en) * | 2016-09-07 | 2017-03-29 | 珠海圣菲玛滤清器有限公司 | A kind of multistation spinning product leakage detection apparatus |
CN106706232A (en) * | 2016-12-25 | 2017-05-24 | 重庆腾增模具制造有限公司 | Seal tightness detection system and detection steps thereof |
CN206867342U (en) * | 2016-12-27 | 2018-01-12 | 姚建叶 | A kind of ear protecting device |
CN208254711U (en) * | 2018-06-20 | 2018-12-18 | 河北领冠仪器仪表有限公司 | A kind of novel fast checking joint of pressure gauge |
-
2018
- 2018-06-20 CN CN201810639651.3A patent/CN108426672B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1368927A (en) * | 1921-02-09 | 1921-02-15 | Low-pressure a | |
CN101793580A (en) * | 2010-03-31 | 2010-08-04 | 童纪国 | Quick test connector for pressure gauge |
RU136570U1 (en) * | 2012-10-01 | 2014-01-10 | Открытое акционерное общество "Сургутнефтегаз" | STAND FOR PNEUMATIC TESTS OF THREADED PIPE CONNECTIONS |
CN103728098A (en) * | 2013-12-23 | 2014-04-16 | 重庆布莱迪仪器仪表有限公司 | Verification connector of pressure gage |
CN206056889U (en) * | 2016-09-07 | 2017-03-29 | 珠海圣菲玛滤清器有限公司 | A kind of multistation spinning product leakage detection apparatus |
CN106706232A (en) * | 2016-12-25 | 2017-05-24 | 重庆腾增模具制造有限公司 | Seal tightness detection system and detection steps thereof |
CN206867342U (en) * | 2016-12-27 | 2018-01-12 | 姚建叶 | A kind of ear protecting device |
CN208254711U (en) * | 2018-06-20 | 2018-12-18 | 河北领冠仪器仪表有限公司 | A kind of novel fast checking joint of pressure gauge |
Also Published As
Publication number | Publication date |
---|---|
CN108426672B (en) | 2023-08-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208254711U (en) | A kind of novel fast checking joint of pressure gauge | |
CN206863239U (en) | Detect tool | |
CN106199260A (en) | A kind of electrical cnnector detection device | |
CN208833452U (en) | Nasal oxygen tube leakage and pressure resistant testing device | |
CN204964154U (en) | Sealing washer hydraulical pressure test apparatus | |
CN108426672A (en) | A kind of novel fast checking joint of pressure gauge and its application method | |
CN220136560U (en) | Pressurization test seat and pressurization test device | |
CN209606040U (en) | A kind of quick coupling structure for water pump air-tightness detection tool | |
CN215718706U (en) | Gas well working fluid level monitoring device | |
CN206905985U (en) | Air-tightness detection device | |
CN203894128U (en) | Novel antenna drawing testing device | |
CN207280383U (en) | A kind of sealing ring shaping and detection device | |
CN210981635U (en) | Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device | |
CN202092835U (en) | Pressure testing device | |
CN209606015U (en) | A kind of prefastening self-sealing pressure tapping | |
CN204269084U (en) | Observation prism and forced centering base Quick Connect Kit | |
CN210664904U (en) | Acoustic pipe seal detection device | |
CN207066404U (en) | A kind of strain transducer based on image recognition | |
CN105758291A (en) | Depth detection mechanism | |
CN110068420A (en) | A kind of prefastening self-sealing pressure tapping | |
CN211904640U (en) | Threaded connection sealing device for safety valve calibration | |
CN216847265U (en) | Blasting pressure testing equipment | |
CN215178346U (en) | Pressure sensor detection device convenient to installation | |
CN219996500U (en) | Portable safety valve check control device | |
CN108386650B (en) | Dynamic sealing device and use method thereof |
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 |