CN104062085B - Pressure testing apparatus of pipeline blocking valve - Google Patents
Pressure testing apparatus of pipeline blocking valve Download PDFInfo
- Publication number
- CN104062085B CN104062085B CN201310092682.9A CN201310092682A CN104062085B CN 104062085 B CN104062085 B CN 104062085B CN 201310092682 A CN201310092682 A CN 201310092682A CN 104062085 B CN104062085 B CN 104062085B
- Authority
- CN
- China
- Prior art keywords
- pressure testing
- assembly
- push rod
- leading screw
- valve
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a pressure testing apparatus of a pipeline blocking valve. The apparatus comprises a frame assembly, two push rod assemblies, a support assembly and a motor driving assembly. The two push rod assemblies are symmetrically arranged at the two sides of the inside of the frame assembly, the motor driving assembly is fixed on the frame assembly, the motor driving assembly is in cooperation connection with the two push rod assemblies, the support assembly is arranged below the two push rod assemblies, the support assembly is used for placing the pipeline blocking valve, and the motor driving assembly is used for driving the two push rod assemblies to form clamping sealing on the pipeline blocking valve. According to the invention, the pipeline blocking valve is placed through the support assembly, the motor driving assembly automatically drives the two push rod assemblies to form clamping on a sandwich valve and seal the inner cavity of the sandwich valve, such that manual operation for fastening a blind plate is omitted, the problem of labor and material waste is avoided, the time of a test process is shortened, safe, efficient and rapid pressure testing of the sandwich valve is realized, the test result is reliable and stable, the labor intensity is reduced, and the automation level of pipeline first-aid repair and reconstruction is improved.
Description
Technical field
The present invention relates to petroleum gas field, particularly to a kind of pressure testing device of pipe plugging valve.
Background technology
Sandwich valve, also referred to as sandwich valve, are the special valves being used in the industry pipeline tapping is blocked, especially stone
Requisite, with the fast development of social economy, to oil, natural gas energy during oil, natural gas line plugging holes
Being on the increase of source demand, consequent pipeline maintenance, salvaging also increase year by year, lead to the usage frequency of sandwich valve
Increasingly bigger.
The quality of sandwich valve sealing property is most important, the sandwich valve newly purchased enter factory warehouse-in before, construct it every time
Front and maintenance after the completion of be required to carry out pressure testing to sandwich valve, to verify whether sandwich valve sealing intact.At present, clamping plate
The pressure testing of valve, mainly adopts manually-operated mode, first installs blind plate on sandwich valve, then utilizes fork spanner, pneumatic impact spanner
Or hydraulic spanner, by fastening bolt, blind plate is fixed on sandwich valve, finally pressure testing is carried out to clamping plate valve insertion.
During realizing the present invention, inventor finds that prior art at least has problems with：
This manually-operated method, lead to pressure testing result easily to be affected by operator's technical merit it will usually because
Produce the problem of leakage for bolt fastens the reason such as uneven, the reliability of result of the test is unstable, and manually-operated
Time cycle is longer, and work efficiency is low, and labor intensity of operating staff is big, danger coefficient is higher.
Content of the invention
Waste time and energy to solve the artificial operation of prior art, danger coefficient is higher and reliability of result of the test is unstable
Problem, embodiments provide a kind of pressure testing device of pipe plugging valve.Described technical scheme is as follows：
A kind of pressure testing device of pipe plugging valve, described pressure testing device includes：Frame assembly, two push rod assemblies,
Frame assembly and Motor drive assembly, the symmetrical both sides being arranged within described frame assembly of described two push rod assemblies, described
Motor drive assembly is fixed in described frame assembly, and described Motor drive assembly is with described two push rod assembly cooperations even
Connect, described bracket assembly is arranged on below described two push rod assemblies, and described bracket assembly is used for placing pipe plugging valve, institute
State Motor drive assembly to be used for driving described two push rod assemblies to form grip seal to described pipe plugging valve.
Specifically, preferably, described frame assembly includes：Two support members and four pull bars, described two support members
Be placed in parallel, the surrounding through described two support members that described four pull bars are respectively perpendicular, and described four pull bars all with
Described two support members are fixed, and described two support members are provided with the through hole parallel with described four pull bars, described through hole
For accommodating described two push rod assemblies.
Further, each push rod assembly includes：First leading screw, nut, gear and pressure testing part, described nut is arranged on institute
State in through hole, described first leading screw passes through described through hole, and described first leading screw is connected with described nut screw connection, described pressure testing part
It is arranged on the one end in the middle of the close described frame assembly of described first leading screw, described gear is arranged on described nut, and institute
State gear to engage with described nut, described Motor drive assembly respectively.
Further, described push rod assembly also includes gripper shoe and fastening bolt, and described gripper shoe is arranged on described examination
Between casting die and described first leading screw, and described gripper shoe surrounding is run through by described four pull bars, and described fastening bolt passes through institute
State gripper shoe, and described fastening bolt two ends are fixedly connected with described first leading screw, described pressure testing part respectively.
Preferably, described pressure testing part includes pressure text head and pedestal, described pressure text head is provided centrally with the screwed hole running through,
One end of described pedestal is connected with the threaded one end of described screwed hole, and described pedestal is provided with being connected with described screwed hole
One liquid injection hole, the other end of described pedestal is fixedly connected with described fastening bolt.
Further, described pressure testing part also includes check lock lever and pad, described pad with diameter greater than described screwed hole
Diameter, and described pad is arranged on outside the other end of described screwed hole, described check lock lever passes through described pad, and described locking
Bar is connected with described pedestal, the second liquid injection hole that described check lock lever is provided through, described second liquid injection hole and described first
Liquid injection hole connects.
Specifically, preferably, described bracket assembly includes sliding machine, fixed support and lifting support, described fixation
Support and the docking of described lifting support are placed, and described lifting support can height change, and described sliding machine is arranged on described
Fixed support and the top of described lifting support, described sliding machine can come above described fixed support and described lifting support
Return and slide, described sliding machine is used for placing described pipe plugging valve.
Further, described sliding machine includes loading plate, holder, multiple roller and screw, above described loading plate
It is provided with elongated slot, in described elongated slot, is provided with described holder, described holder can slidably reciprocate along described elongated slot, described loading
Plate is used for placing described pipe plugging valve, and described holder is used for fixing described pipe plugging valve, and the plurality of roller sets
Put in described loading plate bottom surrounding, described screw is arranged on the center of described loading plate bottom.
Further, described pressure testing device also includes servomotor and the second leading screw, described servomotor and described
Two leading screws are connected, and described servomotor and described second leading screw are arranged above described lifting support, described second
Thick stick is connected with described screw, and described servomotor and described second leading screw are provided commonly for driving described sliding machine.
Further, described pressure testing device also includes track, is all provided with above described fixed support and described lifting support
It is equipped with described track, described sliding machine slidably reciprocates along described track.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention places pipe plugging valve, i.e. sandwich valve by bracket assembly, is put to correct position, then utilizes
Motor drive assembly drives two push rod assemblies sandwich valve to be formed with clamping and its inner chamber is sealed automatically, thus in saving
Artificial operation fastening blind plate, it is to avoid make the nut on sandwich valve uneven and the asking of artificial and waste of material that repeated disassembled and assembled causes
Topic, the time cycle of whole process of the test greatly shortens it is achieved that the target of sandwich valve safely and efficiently Quick-action pressure-testing, test knot
Really reliable and stable, also avoid operator to utilize the potential safety hazard existing during the instrument clamp nut such as pneumatic impact spanner, also greatly simultaneously
The earth reduces the labor intensity of operator, improves the automatization level of pipe first-aid transformation.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the axonometric chart of the pressure testing device of pipe plugging valve provided in an embodiment of the present invention；
Fig. 2 is the structural representation of push rod assembly in Fig. 1；
Fig. 3 is the structural representation of sliding machine in Fig. 1；
Fig. 4 is the structural representation of lifting support in Fig. 1.
Wherein：1 frame assembly, 11 support members, 12 pull bars,
2 push rod assemblies,
21 first leading screws, 22 nuts, 23 gears,
24 pressure testing parts, 241 pressure text heads, 242 pedestals, 243 check lock levers, 244 pads, 245 first liquid injection holes, 246 second notes
Fluid apertures,
25 gripper shoes, 26 fastening bolts
3 bracket assemblys,
31 sliding machines, 311 loading plates, 312 holders, 313 rollers, 314 screws
32 fixed supports,
33 lifting supports, 331 servomotors, 332 second leading screws, 333 hoist cylinders,
4 Motor drive assemblies
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
As shown in figure 1, a kind of pressure testing device of pipe plugging valve provided in an embodiment of the present invention, described pressure testing device bag
Include：1, two push rod assemblies 2 of frame assembly, bracket assembly 3 and Motor drive assembly 4, described two symmetrical setting of push rod assembly 2
Put the both sides within described frame assembly 1, described Motor drive assembly 4 is fixed in described frame assembly 1, and described motor
Drive assembly 4 is connected with described two push rod assemblies 2, and described bracket assembly 3 is arranged under described two push rod assemblies 2
Side, described bracket assembly 3 is used for placing pipe plugging valve, and described Motor drive assembly 4 is used for driving described two push rods total
2 are become to form grip seal to described pipe plugging valve.
Wherein, frame assembly 1 primarily serves the effect of support, and a push rod assembly 2 is respectively installed, by electricity in its internal both sides
Machine drive assembly 4 makes two push rod assemblies 2 to intermediary movements, middle pipe plugging valve is formed clamping, simultaneously to clamping plate
The inner chamber of valve forms sealing, can select two pressure text heads 241 of different model, the convenient pipe to different model according to practical situation
Road plugging valve carries out grip seal.
The present invention places pipe plugging valve, i.e. sandwich valve by bracket assembly 3, is put to correct position, Ran Houli
Automatically drive two push rod assemblies 2 sandwich valve to be formed with clamping and its inner chamber is sealed, Ran Houzai with motor drive assembly 4
Pressure testing is carried out to inner chamber, thus saving artificial operation fastening blind plate, it is to avoid repeated disassembled and assembled causes because clamp nut is uneven
The problem of artificial and waste of material, the time cycle of whole process of the test greatly shortens it is achieved that sandwich valve is safely and efficiently fast
The target of fast pressure testing, result of the test is reliable and stable, when also avoiding operator to utilize the instrument clamp nut such as pneumatic impact spanner simultaneously
The potential safety hazard existing, also greatly reduces the labor intensity of operator, improves the Automated water of pipe first-aid transformation
Flat.
As shown in figure 1, specifically, preferably, described frame assembly 1 includes：Two support members 11 and four pull bars 12,
Described two support members 11 are placed in parallel, described four pull bars 12 be respectively perpendicular through the four of described two support members 11
Week, and described four pull bars 12 are all fixing with described two support members 11, described two support members 11 are provided with described
The parallel through hole of four pull bars 12, described through hole is used for accommodating described two push rod assemblies 2.The end of pull bar 12 passes through support member
11 edge, and by nut, pull bar 12 is fastened, make whole frame stability firm.
As shown in Fig. 2 further, each push rod assembly 2 includes：First leading screw 21, nut 22, gear 23 and pressure testing part
24, described nut 22 is arranged in described through hole, and described first leading screw 21 passes through described through hole, and described first leading screw 21 and institute
State nut 22 to be connected, described pressure testing part 24 is arranged in the middle of the close described frame assembly 1 of described first leading screw 21
End, described gear 23 is arranged on described nut 22, and described gear 23 respectively with described nut 22, described Motor drive assembly
4 engagements.During work, more reasonable in the structure of the present invention for making, can suitably install in push rod assembly 2 according to actual needs
Some conventional parts, such as clutch, reductor, gear 23 back-up ring, bearing positioning sleeve, radial bearing etc., Motor drive is total
Become 4 to drive nut 22 to rotate through clutch, reductor and gear 23, typically large and small 2 gears 23 are installed, so that and nut
22 engagement the first leading screw 21 translations, also can so that the pressure testing part 24 being connected with the first leading screw 21 is moved back and forth therewith, thus
The inner chamber of sandwich valve is formed in sealed holding, through hole by installation axle head hoop, radial bearing, thrust bearing and bearing positioning
Set, so that nut 22 and the first leading screw 21 are arranged in through hole, and is connected with support member 11 formation.
As shown in Fig. 2 further, described push rod assembly 2 also includes gripper shoe 25 and fastening bolt 26, described support
Plate 25 is arranged between described pressure testing part 24 and described first leading screw 21, and described gripper shoe 25 surrounding is by described four pull bars 12
Run through, described fastening bolt 26 pass through described gripper shoe 25, and described fastening bolt 26 two ends respectively with described first leading screw 21,
Described pressure testing part 24 is fixedly connected.The setting of gripper shoe 25, plays the effect supporting and fixing whole push rod assembly 2.
As shown in Fig. 2 preferably, described pressure testing part 24 includes pressure text head 241 and pedestal 242, in described pressure text head 241
The screwed hole that the heart is provided through, one end of described pedestal 242 is connected with the threaded one end of described screwed hole, described pedestal 242
On be provided with the first liquid injection hole 245 connecting with described screwed hole, the other end of described pedestal 242 is solid with described fastening bolt 26
Fixed connection.
As shown in Fig. 2 further, described pressure testing part 24 also includes check lock lever 243 and pad 244, described pad 244
With diameter greater than the diameter of described screwed hole, and described pad 244 is arranged on outside the other end of described screwed hole, described check lock lever
243 pass through described pad 244, and described check lock lever 243 is connected with described pedestal 242, and described check lock lever 243 is provided through
The second liquid injection hole 246, described second liquid injection hole 246 connected with described first liquid injection hole 245.
Wherein, one end of pressure text head 241 screwed hole and the threaded of pedestal 242 are so that facilitate according to actual needs more
Change the pressure text head 241 of different model, practicality is higher, and the other end of pressure text head 241 screwed hole passes through check lock lever 243 and passes through pad
Piece 244 is connected with pedestal 242 so that pressure testing part 24 is overall more firm, during work, starts total in the push rod of (left or right)
Become 2 to intermediary movements, pressure text head 241 is advanced to inside the inner chamber of sandwich valve, one end of sandwich valve will block, restart another
One side push rod assembly 2 to intermediary movements, the pressure text head 241 of opposite side is advanced to (double inside the opposite side inner chamber of sandwich valve
During interview pressure)；If the sealing property of test fixture board valve core, clamping plate valve core should be closed, twocouese is by pressure text head 241 respectively
It is advanced to inside clamping plate valve insertion, blocks sandwich valve two ends, then, by the first liquid injection hole 245 He on side pressure text head 241
Second liquid injection hole 246 boosts to clamping plate valve insertion water filling, completes one side pressure testing.
As shown in figure 1, specifically, preferably, described bracket assembly 3 includes sliding machine 31, fixed support 32 and rises
Descending branch frame 33, described fixed support 32 and described lifting support 33 docking are placed, and described lifting support 33 can height change,
Described sliding machine 31 is arranged on the top of described fixed support 32 and described lifting support 33, and described sliding machine 31 can be in institute
State and slidably reciprocate above fixed support 32 and described lifting support 33, described sliding machine 31 is used for placing described pipe plugging valve
Door.
As shown in figure 3, further, described sliding machine 31 includes loading plate 311, holder 312, multiple roller 313
With screw 314, above described loading plate 311, it is provided with elongated slot, in described elongated slot, be provided with described holder 312, described clamping
Part 312 can slidably reciprocate along described elongated slot, and described loading plate 311 is used for placing described pipe plugging valve, described holder 312
For fixing described pipe plugging valve, the plurality of roller 313 is arranged on described loading plate 311 bottom surrounding, described screw
314 centers being arranged on described loading plate 311 bottom.
As shown in figure 4, further, described pressure testing device also includes servomotor 331 and the second leading screw 332, described
Servomotor 331 and described second leading screw 332 are connected, and described servomotor 331 and described second leading screw 332 are arranged at
Above described lifting support 33, described second leading screw 332 and described screw 314 are connected, described servomotor 331 and described
Second leading screw 332 is provided commonly for driving described sliding machine 31.
Further, described pressure testing device also includes track, above described fixed support 32 and described lifting support 33
It is provided with described track, described sliding machine 31 slidably reciprocates along described track.Track is typically along fixed support 32 and lifting
The length direction setting of support 33.
Wherein, sliding machine 31 typically arranges 6 rollers 313, roller 313 and track cooperation, by the second leading screw 332
Coordinate with the screw 314 of dolly bottom, be driven by servomotor 331, complete the motion of sliding machine 31, sliding machine
Holder 312 on 31 can more be actually needed setting multiple, holder 312 can move along elongated slot, realizes each holder 312
The distance between flexibly change, complete different size of sandwich valve is clamped, sliding machine 31 is mobile from fixed support 32
To lifting support 33, lifting support 33 bottom is provided with several hoist cylinders 333 it is ensured that lifting support 33 carries out high-low-position
The suitable adjustment put, thus sandwich valve automatic lifting to push rod assembly 2 is suitable for the position of clamping, conveniently carries out next step work
Make.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of pressure testing device of pipe plugging valve is it is characterised in that described pressure testing device includes：Frame assembly, two tops
Bar assembly, bracket assembly and Motor drive assembly, symmetrical being arranged within described frame assembly of described two push rod assemblies
Both sides, described Motor drive assembly is fixed in described frame assembly, and described Motor drive assembly is total with described two push rods
One-tenth is connected, and described bracket assembly is arranged on below described two push rod assemblies, and described bracket assembly is used for placing pipeline envelope
Stifled valve, described Motor drive assembly is used for driving described two push rod assemblies close to the formation clamping of described pipe plugging valve
Envelope；
Described frame assembly includes：Two support members and four pull bars, described two support members are placed in parallel, described four pull bars
The surrounding through described two support members being respectively perpendicular, and described four pull bars are all fixed with described two support members, institute
State and the through hole parallel with described four pull bars is provided with two support members, described through hole is used for accommodating described two push rods total
Become；
Each push rod assembly includes：First leading screw, nut, gear and pressure testing part, described nut is arranged in described through hole, described
First leading screw passes through described through hole, and described first leading screw is connected with described nut screw connection, and described pressure testing part is arranged on described the
One end in the middle of the close described frame assembly of one leading screw, described gear is arranged on described nut, and described gear respectively with
Described nut, the engagement of described Motor drive assembly；
Described push rod assembly also includes gripper shoe and fastening bolt, and described gripper shoe is arranged on described pressure testing part and described first
Between thick stick, and described gripper shoe surrounding is run through by described four pull bars, and described fastening bolt passes through described gripper shoe, and described tight
Fixing bolt two ends are fixedly connected with described first leading screw, described pressure testing part respectively；
Described pressure testing part includes pressure text head and pedestal, and described pressure text head is provided centrally with the screwed hole running through, and the one of described pedestal
End is connected with the threaded one end of described screwed hole, and described pedestal is provided with the first liquid injection hole being connected with described screwed hole, institute
The other end stating pedestal is fixedly connected with described fastening bolt.
2. pressure testing device according to claim 1 is it is characterised in that described pressure testing part also includes check lock lever and pad, institute
State the diameter with diameter greater than described screwed hole of pad, and described pad is arranged on outside the other end of described screwed hole, described
Check lock lever passes through described pad, and described check lock lever is connected with described pedestal, the second note that described check lock lever is provided through
Fluid apertures, described second liquid injection hole is connected with described first liquid injection hole.
3. pressure testing device according to claim 1 is it is characterised in that described bracket assembly includes sliding machine, fixes and prop up
Frame and lifting support, described fixed support and the docking of described lifting support are placed, and described lifting support can height change, institute
State sliding machine and be arranged on described fixed support and the top of described lifting support, described sliding machine can be in described fixed support
Slidably reciprocate with above described lifting support, described sliding machine is used for placing described pipe plugging valve.
4. pressure testing device according to claim 3 is it is characterised in that described sliding machine includes loading plate, holder, many
Individual roller and screw, are provided with elongated slot above described loading plate, are provided with described holder, described holder can in described elongated slot
Slidably reciprocate along described elongated slot, described loading plate is used for placing described pipe plugging valve, described holder is used for fixing described
Pipe plugging valve, the plurality of roller is arranged on described loading plate bottom surrounding, and described screw is arranged on described loading plate bottom
The center in portion.
5. pressure testing device according to claim 4 is it is characterised in that described pressure testing device also includes servomotor and second
Leading screw, described servomotor and described second leading screw are connected, and described servomotor and described second leading screw are arranged at institute
State above lifting support, described second leading screw and described screw are connected, described servomotor and described second leading screw are common
For driving described sliding machine.
6. pressure testing device according to claim 5 is it is characterised in that described pressure testing device also includes track, described fixation
It is provided with described track, described sliding machine slidably reciprocates along described track above support and described lifting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092682.9A CN104062085B (en) | 2013-03-21 | 2013-03-21 | Pressure testing apparatus of pipeline blocking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092682.9A CN104062085B (en) | 2013-03-21 | 2013-03-21 | Pressure testing apparatus of pipeline blocking valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104062085A CN104062085A (en) | 2014-09-24 |
| CN104062085B true CN104062085B (en) | 2017-02-08 |
Family
ID=51549901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310092682.9A Active CN104062085B (en) | 2013-03-21 | 2013-03-21 | Pressure testing apparatus of pipeline blocking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062085B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699018B (en) * | 2016-03-28 | 2019-03-26 | 福建上润精密仪器有限公司 | A kind of flange instrument valve sealing test device |
| CN106644454A (en) * | 2017-03-10 | 2017-05-10 | 成都南方电子仪表有限公司 | Pressure-tight test clamping device for multi-caliber pipeline flowmeter or valve |
| CN108106793B (en) * | 2017-12-07 | 2021-01-26 | 嵊州领航信息科技有限公司 | Pressure detection device of pipeline port |
| CN109163862B (en) * | 2018-08-15 | 2022-04-01 | 招商局重工（江苏）有限公司 | Pressure testing method for pipe fitting |
| CN113108153A (en) * | 2021-04-26 | 2021-07-13 | 中船黄埔文冲船舶有限公司 | Pressure test plugging device of ship valve and pipeline |
| CN113933003B (en) * | 2021-11-05 | 2024-04-09 | 浙江子城工程管理有限公司 | Pipeline infiltration detection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2256824C2 (en) * | 2001-10-04 | 2005-07-20 | Федеральное государственное унитарное предприятие "Государственный ракетный центр "КБ имени академика В.П. Макеева" | Stand for testing strength of pipeline valves and fittings |
| CN2541835Y (en) * | 2002-05-06 | 2003-03-26 | 赵丽 | Sealing tester |
| KR100894440B1 (en) * | 2009-02-05 | 2009-04-22 | 한일마이크로텍(주) | Test device for valve |
| CN102829969B (en) * | 2011-01-17 | 2014-12-03 | 卓旦春 | Valve pressure tester |
| CN102937552B (en) * | 2012-11-29 | 2014-12-24 | 天津银河阀门有限公司 | Gate valve shell intensity and bidirectional seal testing machine |
-
2013
- 2013-03-21 CN CN201310092682.9A patent/CN104062085B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104062085A (en) | 2014-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062085B (en) | Pressure testing apparatus of pipeline blocking valve | |
| CN104089769B (en) | Reciprocating type liquid shock absorber simulation test device | |
| CN203245768U (en) | Tube body synchronous clamping device | |
| CN105910770A (en) | Steel pipe water cooling gas tightness detection integration apparatus | |
| WO2023143175A1 (en) | Continuous vamp manufacturing production line and process with high precision | |
| CN206223428U (en) | A kind of butterfly valve pressure testing machine | |
| CN207045843U (en) | A kind of recrater | |
| CN104330224B (en) | A kind of leakage test clamps the support clamping device of discharging all-in-one | |
| CN205138722U (en) | Tight equipment is pressed from both sides in valve pressure testing | |
| CN204758233U (en) | Gasoline engine generator box gas tightness testing arrangement | |
| CN204771648U (en) | Industrial robot transmission shaft keyway add clamping apparatus | |
| CN207682289U (en) | Hydraulic cylinder dismounting, assembly, testing integrated machine | |
| CN104568594B (en) | The full-automatic hydrostatic testing machine of tubing | |
| CN204085806U (en) | Engine water outlet impermeability automatic detection device | |
| CN203197000U (en) | Quick replacement device for cold roll forming horizontal machine frame | |
| CN204228533U (en) | Full-automatic pipe hydrostatic testing machine | |
| CN205057355U (en) | Inner wall of circular pipe welding set | |
| CN212315504U (en) | Glue-pouring machine is used in production of motorcycle tyre repair agent | |
| CN210060319U (en) | Oil blanket loading attachment is used in production of oil development drilling diesel engine | |
| CN219444008U (en) | Special fixture for arm support part | |
| CN209578702U (en) | One kind being used for plunges pump body copper sheathing mounting device | |
| CN205996492U (en) | Biserial conical bearing self centering seal cover pressing machine | |
| CN207139688U (en) | A kind of reciprocating compressor air-valve rapid dismounting apparatus | |
| CN219403076U (en) | Pipeline positioning device for petroleum oil depot engineering design | |
| CN107775310A (en) | A kind of bearing disk assembles copper sheathing special equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Patentee after: China National Petroleum Corporation Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum and Natural Gas Pipeline Bureau Patentee before: China National Petroleum Corporation |