CN104815409B - Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant - Google Patents
Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant Download PDFInfo
- Publication number
- CN104815409B CN104815409B CN201510261206.4A CN201510261206A CN104815409B CN 104815409 B CN104815409 B CN 104815409B CN 201510261206 A CN201510261206 A CN 201510261206A CN 104815409 B CN104815409 B CN 104815409B
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure testing
- indoor hydrant
- indoor
- hydrant
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant, the pressure testing machine includes frame and the fixed mechanism and pressure testing mechanism that are assemblied in frame.The fixed mechanism includes base, seaming chuck, side plate and the first power set.The pressure testing mechanism includes pressure testing water circuit system, pressure text head and the second power set, seaming chuck covers the delivery port of indoor hydrant, indoor hydrant water inlet end is clamped between the side plate and the pressure text head, and the pressure text head covers the water inlet of indoor hydrant, and pressure testing water circuit system connection is connected with indoor hydrant water inlet.The pressure-measuring method is that indoor hydrant by ad hoc fashion is put and fixed, and a pressure testing and secondary pressure testing are carried out to it using a set of pressure testing water circuit system on the premise of indoor hydrant is not unloaded.The pressure testing machine of the present invention is simple in construction, easy-to-use, and service life is long, and maintenance work is few, production cost is relatively low, and occupies little space, and can effectively reduce the workload of staff, effectively improves pressure testing efficiency.
Description
Technical field
The present invention relates to a kind of pressure testing device for fire hydrant, a kind of semi-automatic pressure testing for indoor hydrant is particularly related to
Machine and its pressure-measuring method.
Background technology
Indoor hydrant is the abbreviation of indoor fire hydrant, indoor fire hydrant be pipe network in house to delivery of water, with valvular
Interface, for the indoor fixed fire protection system such as factory, warehouse, skyscraper, public building and ship, be typically mounted on fire hydrant box
It is interior, supported the use with the equipment such as fire hose and hydraulic giant., it is necessary to be tied to the key itself of indoor hydrant after finished product indoor hydrant is obtained
The sealing effectiveness of structure intensity and flap is tested, many at present that it is tested using pressure testing machine.
Conventional pressure testing machine is generally to the testing procedure of indoor hydrant at present：The flap of indoor hydrant is closed, is at closing
Disconnected state, the water inlet end of indoor hydrant is transferred to the pressure testing port of pressure testing machine, is then carried out port and is fixed, then to indoor hydrant
Water inlet end water filling simultaneously makes hydraulic pressure reach setting numerical value, and pressurize certain time, then pressure release was simultaneously to test the structural strength of indoor hydrant
Indoor hydrant is unloaded, being rotated further by indoor hydrant makes its water side be engaged with the pressure testing port of pressure testing machine, fixes, then water filling and pressurize one
Fix time to test the sealing of flap.As can be seen here, existing pressure testing machine needs to carry out indoor hydrant and pressure testing port twice
The work such as docking, fixation, pressure testing, dismounting, cause that the work pressure test amount of indoor hydrant is big, efficiency is very low.
In addition, the Chinese invention patent of Application No. 201420440715.4, which discloses a kind of indoor hydrant, automatically controls pressure testing
Machine, it is necessary to two circuits systems, i.e., water inlet end respectively with indoor hydrant when the pressure testing machine is to an indoor hydrant progress pressure testing operation
The two sets of pressure testing systems connected with water side（The pressure testing system that first, second pressure text head is respectively configured）.Due to the body of indoor hydrant
Product is not very big, and space required for its pressure testing region is substantially also without very big, otherwise and two sets of pressure measuring systems are small at this
Region complex distributions, otherwise bigger assembly space is needed, and the cost of manufacture of the pressure testing machine is inevitable higher.
The content of the invention
The present invention provides a kind of semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant, to overcome existing pressure testing machine
The pressure testing process of presence is numerous and diverse, pressure testing efficiency is low, pressure testing machine complex structure and other problems.
The present invention is adopted the following technical scheme that：
For the semi-automatic pressure testing machine of indoor hydrant, including frame and the fixed mechanism and pressure testing machine that are assemblied in frame
Structure.The fixed mechanism includes base, seaming chuck, side plate and the first power set, and first power set are used to drive seaming chuck
Move linearly.The pressure testing mechanism includes pressure testing water circuit system, pressure text head and the second power set, and the second power set are used for
Driving pressure text head is moved linearly；Indoor hydrant is placed between the base and the seaming chuck, and seaming chuck covers going out for indoor hydrant
The mouth of a river, indoor hydrant water inlet end is clamped between the side plate and the pressure text head, and the pressure text head covers the water inlet of indoor hydrant, the pressure testing
Head is connected provided with the connecting hole connected with the pressure testing water circuit system, the connecting hole with indoor hydrant water inlet.
Further：
Above-mentioned base is configured with regulating bolt, and indoor hydrant is clamped between the top of the regulating bolt and above-mentioned seaming chuck.
Above-mentioned side plate is provided with the hexagonal through hole matched with indoor hydrant water inlet end outer wall.
Above-mentioned side plate is locked in above-mentioned frame by bolt.
Above-mentioned first power set include the first hydraulic jack, connection framework and connecting rod, and the first hydraulic jack is fixed
The underface of above-mentioned base is assemblied in, the center bottom of connection framework is fixedly connected with the first hydraulic jack cylinder rod outer end, connected
Framework top middle portion is provided with spherical projection, and the top of the connecting rod and the spherical projection are socketed, the bottom of the connecting rod with it is above-mentioned
Seaming chuck top surface is fixedly connected.
Above-mentioned second power set are the second hydraulic jack, cylinder rod outer end and the above-mentioned pressure text head outside of the second hydraulic jack
Wall is fixedly connected.
Also include computer controller, computer controller is used to control above-mentioned fixed mechanism and above-mentioned pressure testing mechanism sequentially
Action.
Above-mentioned pressure testing water circuit system is configured with hydraulic pressure detection head, and the hydraulic pressure detection head is used to detect pressure testing water circuit system in real time
Hydraulic pressure, and by hydraulic pressure data feedback to the computer controller.
Also include alarm, the alarm is used for above-mentioned computer controller and receives exception hydraulic pressure data during pressure measurement
Shi Jinhang alarms.
Using the pressure-measuring method of the above-mentioned semi-automatic pressure testing machine for indoor hydrant, it includes the following steps carried out successively
Suddenly：
A. fix：Indoor hydrant is positioned between above-mentioned base and seaming chuck, and indoor hydrant water inlet end is located at above-mentioned side
Between plate and pressure text head, and indoor hydrant delivery port is located at the underface of seaming chuck；Second power set, which are acted, causes pressure text head to move
Move and then cover and compress indoor hydrant water inlet；First power set, which are acted, causes seaming chuck to move and then cover and compress interior
Bolt delivery port；
B. a pressure testing：Indoor hydrant is screwed so that flap is off state, pressure testing water circuit system supplies water, and water passes through pressure testing
Head gets in bolt water inlet, is kept for the hydraulic pressure certain time of setting value；If period flap leak, stops work pressure test；If
Without leak, then secondary pressure testing is carried out；
C. two pressure testings：Turn flap causes indoor hydrant to be in opening state, and pressure testing water circuit system continues to supply water, keeps setting
The hydraulic pressure certain time of definite value；If period indoor hydrant leak, stops work pressure test；If without leak, increasing hydraulic pressure and keeping
The hydraulic pressure certain time of setting value, if during which indoor hydrant deforms or ftractureed or seeps water, stop work pressure test；If nothing
Significant change, then indoor hydrant pressure testing is qualified.
From the above-mentioned description to structure of the present invention, compared to the prior art, the invention has the advantages that：The present invention
Pressure testing machine it is simple in construction, easy-to-use, a pressure testing unit only needs to a supply channel, and the structure arrangement of each mechanism of pressure testing machine is tight
Gather and rationally, both make it that pressure testing machine service life was long, maintenance work is few, and also make it that the production cost of pressure testing machine was relatively low, and take
Space is small, is conducive to the reasonable utilization in workshop space；In addition, whole pressure testing process, staff is only needed to indoor hydrant by finger
Determine turn indoor hydrant handwheel when mode is placed, a pressure testing is completed to be at opening state and remove the work of indoor hydrant,
Other actions are automatically performed by indoor set, and the Qualification of automatic judgment indoor hydrant, effectively reduce the work of staff
Amount, staff can take into account the operation of multiple pressure testing units simultaneously, effectively increase the pressure testing efficiency of indoor hydrant；In addition, even
The connected mode for connecing framework and connecting rod reduces the position of indoor hydrant and puts requirement, can either ensure that seaming chuck goes out with indoor hydrant
The sealing at the mouth of a river, can also reduce further the amount of labour of staff, improve pressure testing efficiency.
Brief description of the drawings
Fig. 1 is the main structure diagram of the pressure testing machine of the present invention.
Fig. 2 is the section structure schematic diagram at the A-A of the pressure testing machine of the present invention in Fig. 1.
Fig. 3 is the overlooking the structure diagram of the pressure testing machine of the present invention.
Fig. 4 is the pressure testing machine that many playscripts with stage directions are invented and the main structure diagram of used time.
Embodiment
Illustrate the embodiment of the present invention with reference to the accompanying drawings.
Reference picture 1, Fig. 2, Fig. 3, Fig. 4, for the semi-automatic pressure testing machine of indoor hydrant, including frame 1 and are assemblied in frame 1
On fixed mechanism 2, pressure testing mechanism 3, computer controller and alarm, computer controller be used for control above-mentioned fixed machine
Structure 2 and above-mentioned pressure testing mechanism 3 are sequentially acted, and the alarm receives abnormal water during pressure measurement for above-mentioned computer controller
Alarmed during pressure data.
With continued reference to Fig. 1, Fig. 2, Fig. 3, above-mentioned fixed mechanism 2 includes base 21, seaming chuck 22, the power of side plate 23 and first
Device 24.Base 21 is by the way that in bolt locking and frame 1, the base 21 is configured with regulating bolt 211, and indoor hydrant 4 is clamped in this
Between the top of regulating bolt 211 and above-mentioned seaming chuck 22.The side plate 23 is provided with what is matched with the outer wall of 4 water inlet end of indoor hydrant 41
Hexagonal through hole 230, side plate 23 is locked in above-mentioned frame 1 by bolt.Above-mentioned first power set 24 are used to drive seaming chuck 22
Move linearly, first power set 24 include the first hydraulic jack 241, connection framework 242 and connecting rod 243, first
The fixing assembling of hydraulic jack 241 is conducive to reasonable utilization space in the underface of above-mentioned base 21, such structure setting so that
Pressure testing machine will not be too high.The center bottom of connection framework 242 is fixedly connected with the cylinder rod outer end of the first hydraulic jack 241, connects frame
The top middle portion of frame 242 is provided with spherical projection 244, and the top of the connecting rod 243 is socketed with the spherical projection 244, the connecting rod 243
Bottom be fixedly connected with the above-mentioned top surface of seaming chuck 22；Spherical projection 244 and the connected mode of connecting rod 243, are conducive to artificial
Place indoor hydrant 4 position be not very standard when seaming chuck 22 can adaptively be directed at and seal the delivery port for covering indoor hydrant 4
43.In addition, with continued reference to Fig. 2, seaming chuck 22 also configures automatic drain valve 221, automatic drain valve 221 is in automatically in low pressure
Opening state, in secondary pressure testing for discharging the air in indoor hydrant cavity, when pressure reaches certain numerical value, Auto-drainage
Valve 221 is closed automatically.And when pressure testing machine is used to carry out pressure measurement to the indoor hydrant 4 of different model, it is only necessary to change correspondence model
Side plate 23 and adjusting base 21 on regulating bolt 211 to respective heights.
With continued reference to Fig. 1, Fig. 2, Fig. 3, above-mentioned pressure testing mechanism 3 includes pressure testing water circuit system, the liquid of pressure text head 32 and second
Compressing cylinder 33, indoor hydrant 4 is placed between the base 21 and the seaming chuck 22, and seaming chuck 22 covers the delivery port of indoor hydrant 4
43, the water inlet end 41 of indoor hydrant 4 is clamped between the side plate 23 and the pressure text head 32, and the pressure text head 32 covers the water inlet of indoor hydrant 4
Mouth 42, the pressure text head 32 is provided with the connecting hole 320 connected with the pressure testing water circuit system, the connecting hole 320 and the water inlet of indoor hydrant 4
42 connections.The pressure text head is also configured with three-way connection 321, and a joint of three-way connection 321 is connected with the connecting hole 320, another
Joint is connected for pressure testing water circuit system, and last joint can configure a valve, may act as pressure release passage or air inlet is logical
Road.Second hydraulic jack 33 be used for drive pressure text head 32 to move linearly, the cylinder rod outer end of the second hydraulic jack 33 with it is above-mentioned
The lateral wall of pressure text head 32 is fixedly connected.Above-mentioned pressure testing water circuit system is configured with hydraulic pressure detection head, and the hydraulic pressure detection head is used for real-time
The hydraulic pressure of pressure testing water circuit system is detected, and by hydraulic pressure data feedback to the computer controller.In addition, above-mentioned hydraulic jack dress
Putting can also use the mode such as pneumatic cylinder or motor drive screw to substitute, to realize the linear fortune of seaming chuck 22 and pressure text head 32
It is dynamic.
With continued reference to Fig. 1, Fig. 2, Fig. 3, using the pressure-measuring method of the above-mentioned semi-automatic pressure testing machine for indoor hydrant, it is wrapped
Include the following step carried out successively：
A. fix：Indoor hydrant 4 is positioned between the top of regulating bolt 211 of above-mentioned base 21 and the bottom of seaming chuck 22,
And make the water inlet end 41 of indoor hydrant 4 through the hexagonal through hole 230 on side plate 23, then rotate the certain angle of indoor hydrant 4 so that indoor
The water inlet end 41 of bolt 4 can not be exited by the hexagonal through hole 230, and cause the delivery port 43 of indoor hydrant 4 to be located at the underface of seaming chuck 22；
Then under the control of computer controller, the second hydraulic jack 33, which is acted, causes pressure text head 32 to move and then cover indoor hydrant 4
Water inlet 42, and compress the water inlet end 41 of indoor hydrant 4；First power set 24, which are acted, causes seaming chuck 22 to move and then cover simultaneously
Compress the delivery port 43 of indoor hydrant 4；
B. a pressure testing：Indoor hydrant 4 is screwed so that flap 44 is off state, pressure testing water circuit system supplies water, and water passes through
Pressure text head 32 gets in the water inlet 42 of bolt 4, keeps 1.6MPa hydraulic pressure 2 minutes；If period hydraulic pressure detection head detects hydraulic pressure hair
Changing, then it represents that the leak of flap 44, alarm sends alarm, you can stop work pressure test；If hydraulic pressure detection head detects water
Press numerical stability, then it represents that flap 44 can carry out secondary pressure testing without leak, and alarm equipment alarm indicates that a pressure testing is qualified；
C. two pressure testings：Turn flap 44 causes indoor hydrant 4 to be in opening state, and pressure testing water circuit system continues to supply water, protected
Hold 1.6MPa hydraulic pressure 2 minutes；If the flap 44 of period indoor hydrant 4, which installs port, occurs leak, alarm sends alarm, then stopped
Work pressure test；If without leak, increasing hydraulic pressure and keeping 2.4MPa hydraulic pressure 2 minutes, if during which indoor hydrant 4 is deformed or opened
Split or seep water or hydraulic pressure detection head detects hydraulic pressure and changed, then it represents that the structural strength of indoor hydrant 4 is not enough, alarm
Send alarm, you can stop work pressure test；If without significant change, alarm equipment alarm indicates that 4 two pressure testings of indoor hydrant are qualified.
The embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Conceive the change that unsubstantiality is carried out to the present invention, the behavior for invading the scope of the present invention all should be belonged to.
Claims (10)
1. for the semi-automatic pressure testing machine of indoor hydrant, including frame and the fixed mechanism and pressure testing mechanism that are assemblied in frame,
It is characterized in that：The fixed mechanism includes base, seaming chuck, side plate and the first power set, and first power set are used for
Driving seaming chuck is moved linearly；The pressure testing mechanism includes pressure testing water circuit system, pressure text head and the second power set, second
Power set are used to drive pressure text head to move linearly；Indoor hydrant is placed between the base and the seaming chuck, and seaming chuck is sealed
The delivery port of lid indoor hydrant, indoor hydrant water inlet end is clamped between the side plate and the pressure text head, pressure text head capping indoor hydrant
Water inlet, the pressure text head is provided with the connecting hole connected with the pressure testing water circuit system, and the connecting hole is connected with indoor hydrant water inlet.
2. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：The base is configured with regulation
Bolt, indoor hydrant is clamped between the top of the regulating bolt and the seaming chuck.
3. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：The side plate is provided with and interior
The hexagonal through hole that bolt water inlet end outer wall matches.
4. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：The side plate passes through bolt lock
It is fixed in the frame.
5. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：The first power set bag
The first hydraulic jack, connection framework and connecting rod are included, the first hydraulic jack fixing assembling is in the underface of the base, connection
The center bottom of framework is fixedly connected with the first hydraulic jack cylinder rod outer end, and connection framework top middle portion is provided with spherical projection, should
The top of connecting rod is socketed with the spherical projection, and the bottom of the connecting rod is fixedly connected with the seaming chuck top surface.
6. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：Second power set are
Second hydraulic jack, the cylinder rod outer end of the second hydraulic jack is fixedly connected with the pressure text head lateral wall.
7. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 1, it is characterised in that：Also include computer and control dress
Put, computer controller is used to control the fixed mechanism and the pressure testing mechanism sequentially to act.
8. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 7, it is characterised in that：The pressure testing water circuit system is matched somebody with somebody
Hydraulic pressure detection head is equipped with, the hydraulic pressure detection head is used for the hydraulic pressure for detecting pressure testing water circuit system in real time, and by hydraulic pressure data feedback extremely
The computer controller.
9. it is used for the semi-automatic pressure testing machine of indoor hydrant as claimed in claim 8, it is characterised in that：Also include alarm, the report
Alert device is used to be alarmed when the computer controller receives exception hydraulic pressure data during pressure measurement.
10. the pressure-measuring method of any described semi-automatic pressure testing machine for indoor hydrant of usage right requirement 1 to 9, its feature exists
In, including the following step carried out successively：
A. fix：Indoor hydrant is positioned between the base and seaming chuck, and make indoor hydrant water inlet end be located at the side plate and
Between pressure text head, and indoor hydrant delivery port is located at the underface of seaming chuck；Second power set act cause pressure text head move into
And cover and compress indoor hydrant water inlet；First power set, which are acted, causes seaming chuck to move and then cover and compress indoor hydrant
The mouth of a river；
B. a pressure testing：Indoor hydrant is screwed so that flap is off state, pressure testing water circuit system is supplied water, and water is entered by pressure text head
Enter indoor hydrant water inlet, kept for the hydraulic pressure certain time of setting value；If period flap leak, stops work pressure test；If without leakage
Water, then carry out secondary pressure testing；
C. two pressure testings：Turn flap causes indoor hydrant to be in opening state, and pressure testing water circuit system continues to supply water, and keeps setting value
Hydraulic pressure certain time；If period indoor hydrant leak, stops work pressure test；If without leak, increasing hydraulic pressure and keeping setting
The hydraulic pressure certain time of value, if during which indoor hydrant deforms or ftractureed or seeps water, stop work pressure test；If without obvious
Change, then indoor hydrant pressure testing is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261206.4A CN104815409B (en) | 2015-05-21 | 2015-05-21 | Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261206.4A CN104815409B (en) | 2015-05-21 | 2015-05-21 | Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104815409A CN104815409A (en) | 2015-08-05 |
| CN104815409B true CN104815409B (en) | 2017-07-25 |
Family
ID=53726039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261206.4A Active CN104815409B (en) | 2015-05-21 | 2015-05-21 | Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104815409B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581918A (en) * | 2017-02-20 | 2017-04-26 | 国泰消防科技股份有限公司 | Water leakage detection device for fire hydrant |
| CN109630679B (en) * | 2018-12-07 | 2021-07-09 | 首都航天机械有限公司 | Multifunctional combined sealing clamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202052253U (en) * | 2011-04-19 | 2011-11-30 | 张洪涛 | Fire hydrant pressure detector |
| CN202126341U (en) * | 2011-06-10 | 2012-01-25 | 江山市江郎峰消防设备有限公司 | Pressure test device |
| CN203989651U (en) * | 2014-08-06 | 2014-12-10 | 天广消防股份有限公司 | A kind of indoor hydrant is controlled pressure testing machine automatically |
| CN204637403U (en) * | 2015-05-21 | 2015-09-16 | 福建省三鲸消防器材有限公司 | For the semi-automatic pressure testing machine of indoor hydrant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014016359A (en) * | 2013-09-18 | 2014-01-30 | Hochiki Corp | Fire hydrant hose testing device |
-
2015
- 2015-05-21 CN CN201510261206.4A patent/CN104815409B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202052253U (en) * | 2011-04-19 | 2011-11-30 | 张洪涛 | Fire hydrant pressure detector |
| CN202126341U (en) * | 2011-06-10 | 2012-01-25 | 江山市江郎峰消防设备有限公司 | Pressure test device |
| CN203989651U (en) * | 2014-08-06 | 2014-12-10 | 天广消防股份有限公司 | A kind of indoor hydrant is controlled pressure testing machine automatically |
| CN204637403U (en) * | 2015-05-21 | 2015-09-16 | 福建省三鲸消防器材有限公司 | For the semi-automatic pressure testing machine of indoor hydrant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104815409A (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104815409B (en) | Semi-automatic pressure testing machine and its pressure-measuring method for indoor hydrant | |
| CN202075109U (en) | Air tightness detector for reducer shell | |
| CN101694437A (en) | Water jacket and water pressure test device applying same | |
| CN205877258U (en) | Dome valve | |
| CN203349990U (en) | Hydraulic-pressure seal testing machine | |
| CN106969911A (en) | A kind of locomotive brake hose test device | |
| CN103389193A (en) | Detecting system and method of leakage of gas cylinder | |
| CN204637403U (en) | For the semi-automatic pressure testing machine of indoor hydrant | |
| CN113531272A (en) | Water-adjusting-free plugging air bag, water-adjusting-free water drainage pipeline detection device and use method | |
| CN104815408B (en) | Testing efficiency high indoor hydrant pressure testing machine and its pressure-measuring method | |
| CN105987810B (en) | Method for detecting whether electromagnetic valve of nitrogen pressure tank fails | |
| CN104165739B (en) | Method for testing pressure by adoption of vertical and automatic heat collector flow channel pressure test machine | |
| CN205670086U (en) | Water proof sealing device between Large Underwater hydraulic vibrating system table top and cell body | |
| CN215807145U (en) | Water-adjusting-free plugging air bag and water-adjusting-free water drainage pipeline detection device | |
| CN204637402U (en) | The indoor hydrant pressure testing machine that testing efficiency is high | |
| CN109506928B (en) | Valve pressing test method | |
| CN201060087Y (en) | Self-checking unit of leakage testing machine | |
| CN206847874U (en) | A kind of gas leak detection device of new energy car battery lid | |
| CN214096523U (en) | Double-station leakage testing device | |
| CN213285477U (en) | Fire-fighting pipe network detection device that leaks | |
| CN211527737U (en) | Nitrogen gas tightness testing machine for fire-fighting collecting pipe | |
| CN211475485U (en) | Oil-immersed transformer pillow type capsule automatic inflation device | |
| CN208333776U (en) | A kind of brake tube detection device | |
| CN202947842U (en) | Leakage detection device for air suction pipe of compressor | |
| CN206804286U (en) | A kind of locomotive brake hose test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: 362000 Maoming Road, Fu Mao Industrial Park, Nanan Economic Development Zone, Quanzhou, Fujian Patentee after: Fujian whale Fire Control Co., Ltd. Address before: 362300 Maoming Road, Fu Mao Industrial Park, Nanan Economic Development Zone, Quanzhou, Fujian, China Patentee before: FUJIAN SANJING FIRE-FIGHTING EQUIPMENT CO., LTD. |
|
| TR01 | Transfer of patent right |