CN105606310A - Special water inlet and air exhaust device for cylinder water pressure test - Google Patents
Special water inlet and air exhaust device for cylinder water pressure test Download PDFInfo
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- CN105606310A CN105606310A CN201510988786.7A CN201510988786A CN105606310A CN 105606310 A CN105606310 A CN 105606310A CN 201510988786 A CN201510988786 A CN 201510988786A CN 105606310 A CN105606310 A CN 105606310A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a special water inlet and air exhaust device for a cylinder water pressure test. The device comprises an upper cover plate which is provided with a first row of air cavities in the middle, a lower cover plate which is provided with a screw rod cavity in the middle, a water inlet and air exhaust assembly which is provided with an air cavity and a water inlet hole, a connection screw rod which is provided with a second air exhaust cavity in the middle, and a water outlet pipe which is provided with a water outlet cavity in the middle. The water inlet and air exhaust assembly is installed between the upper cover plate and the lower cover plate and is connected through welding. The water inlet and air exhaust assembly is also internally provided with a first through hole and a second through hole which are connected to the air cavity separately. The connection screw rod is fixed to the lower cover plate and is connected through a thread. The water outlet pipe goes through the water inlet and air exhaust assembly, the lower cover and the connection screw rod from up to down, and then the lower end of the water outlet pipe extends out of the bottom of the connection screw rod. The purpose of water inlet and air exhaust at the same time in the water pressure test can be realized by only adding one process hole in a cylinder, making multiple process screw holes in the cylinder is avoided, the device is very ideal from the condition of use, and testing target and requirements are achieved.
Description
Technical field
The present invention relates to water test unit technical field, relate in particular to the special water inlet of a kind of cylinder body water pressure test withExhaust apparatus.
Background technology
In prior art, while doing the water pressure test of cylinder body, on cylinder body, process 2 technique screws, be respectively used toWater inlet and exhaust. After off-test, these 2 technique screws will be blocked again. Some cylinder bodies are less, onlyCan process a hole, increase difficulty with regard to the test of giving us like this, even can not test. In order to protectThe air-tightness of card cylinder body (as steam turbine, pump case etc.), cylinder body will do the water pressure test after fine finishining finishes,By cylinder body half merging up and down, each mouth of pipe seals with closure plate, drives water hole and steam vent on cylinder body into, and inlet opening is usedIn running water is squeezed into inner chamber of cylinder block, steam vent is for by the Bas Discharged of inner chamber of cylinder block, (steam vent should be at cylinder bodyThe top processing, so just can drain to greatest extent the air of inner chamber of cylinder block), after air is emptying, connect again pressureTable, and continue toward cylinder body internal pump water, keep there is certain pressure in cylinder body, observe a period of time, cylinder body does not leakWater prove that cylinder body air-tightness is qualified. Some cylinder bodies are smaller, can only open a hole in the time doing the water pressure test, thisThe individual hole air-discharging again of should intaking, also will connect Pressure gauge, needs a hole multiplex.
Chinese patent CN103558090A discloses the single seam crossing water pressure test dress of a kind of major diameter bearing pipePut, it is characterized in that: comprise interior retainer ring (2), top firmware (3), pressure-bearing steel ring (5), water feed apparatus (6),Exhaust apparatus (7) and the independent sealing ring (4) arranging; Described top firmware (3) comprise top board (31) withAnd fastening bolt (35), described top board (31) is arranged on the inwall of described pressure-bearing steel ring (5), described tightIt is upper that one end of fixing bolt (35) is arranged on described top board (31), and the other end is provided with the nut matching with it(34); Described in described interior retainer ring (2) is fixed on by described fastening bolt (35) and nut (34)The inside of pressure-bearing steel ring (5); Described water feed apparatus (6) comprises the first top board (61), the first sleeve pipe (62)And power set; Described the first top board (61) is fixedly installed on the inwall of described pressure-bearing steel ring (5);It is upper that one end of described the first sleeve pipe (62) is fixed on described the first top board (61), the other end and described power dressPut connection; On described the first top board (61), sealing ring (4) and described pressure-bearing steel ring (5), be equipped withThe first hole that the inside of described the first sleeve pipe (62) communicates; Described power set and described the first sleeve pipe (62)Between be provided with Pressure gauge; Described exhaust apparatus (7) comprises the second top board (71) and the second sleeve pipe (72);Described the second top board (71) is fixedly installed on the inwall of described pressure-bearing steel ring (5); Described the second sleeve pipe (72)To be fixed on described the second top board (11) upper in one end, the other end is provided with sealing device (73); Described the second topOn plate (71), sealing ring (4) and described pressure-bearing steel ring (5), be equipped with and described the second sleeve pipe (72)The second hole of communicating, inside. This technical scheme mainly solves the water pressure test of the single seam crossing in Shi road, checksQualified refer to foreign in pipeline, pipe joint without breakage and rubber ring without distortion and without the problem of fracture, andIt not the water pressure test that checks cylinder body.
Chinese patent CN202350993U discloses a kind of fluid power and has promoted hydrostatic testing machine, it is characterized in that: itIf four support columns (8) connect lower platform (7) and mounting plate (3) forms support frame, on lower platform, be embedded with downforceDish (4), this pressure disc peripheral hardware retaining ring (15), connects bucket (6) under this lower platform, in the middle of above-mentioned downforce dishIf pressure testing pipe (16), this pipe is drawn water receiving bucket; In the upper decoration cover (13) of this device, establish hydraulic cylinder (14), cylinderIt is upper that body is contained in above-mentioned mounting plate (3), and cylinder body top is provided with hydraulic joint (1), has piston (12), piston in cylinderThrough mounting plate, its underpart connects pressure disc (9), and the position of this pressure disc is between mounting plate and lower platform; ?The outside dress Pressure gauge of mounting plate, above-mentioned table connects pumping plant and hydraulic cylinder by the road. This technical scheme is to multiple caliberValve test, do not solve the multiplex problem in the cylinder body water pressure test one hole, this just requires us to designA device meets the multiplex requirement in a hole.
Summary of the invention
To on cylinder body, process 2 technique screws when overcoming the water pressure test existing in prior art, and cylinder bodyLess, can only process a hole, increase difficulty with regard to the test of giving us like this, even can not testProblem, the invention provides the special water inlet of a kind of cylinder body water pressure test and exhaust apparatus.
The technical solution used in the present invention is: the special water inlet of a kind of cylinder body water pressure test and exhaust apparatus, its innovationPoint is: be provided with in the middle of comprising the upper cover plate of the first exhaust cavity, lower cover that centre is provided with screw cavity,The water inlet gas deflation assembly, the centre that are provided with air cavity and inlet opening are provided with the connecting screw rod of the second exhaust cavityBe provided with the outlet pipe of water outlet cavity with centre; Described water inlet gas deflation assembly is arranged between upper cover plate and lower cover,And by being welded to connect; In this water inlet gas deflation assembly, be also provided with the first through hole and the second through hole, and connect respectivelyAir cavity; Described connecting screw rod is fixed on lower cover and is threaded connection; Described outlet pipe divides from top to bottomDo not run through after water gas deflation assembly, lower cover and connecting screw rod, connecting screw rod bottom is stretched out in lower end.
On this basis, the upper cover plate global shape that described centre is provided with the first exhaust cavity is for self centerThe convex body of line symmetry, described the first exhaust cavity is arranged in the middle of convex body, and with the center line pair of convex bodyClaim.
On this basis, described in be provided with air cavity and inlet opening water inlet gas deflation assembly entirety be cuboid,And taking own level center line as symmetric body.
On this basis, the inlet opening of described water inlet gas deflation assembly is arranged on cuboid one side, and with cuboidHorizontal center line become axial symmetry.
On this basis, the air cavity of described water inlet gas deflation assembly is divided into air cavity and lower air cavity,On this, air cavity is arranged at above cuboid, and lower air cavity is arranged at below cuboid; Described lower air skyThe first through hole is set on chamber, and this first through hole is communicated with inlet opening, connects the second through hole, institute on this first through holeStating the second through hole is communicated with upper air cavity.
On this basis, described inlet opening is set to 3 parts, is respectively just inlet segment, middle inlet segment and topEnd; Described just inlet segment connects and is connected with middle inlet segment, and middle inlet segment is fixedly connected with top; Described just water inletThe aperture of section is greater than the aperture of middle inlet segment, and the length that is shorter in length than middle inlet segment of first inlet segment.
On this basis, the lower cover entirety that described centre is provided with screw cavity is cuboid, and with in selfHeart line is symmetric body; Described screw cavity is symmetrical arranged taking this center line as symmetry axis.
On this basis, the connecting screw rod entirety that described centre is provided with the second exhaust cavity be " in " font,Comprise screw head, screw rod body and screw rod tail, this screw head, screw rod body and screw rod tail are one-body molded, and with selfCenter line becomes axial symmetry; Described the second exhaust cavity also becomes axial symmetry setting with this center line.
On this basis, between described screw rod body and screw rod tail, be provided with fixed platform, this fixed platform and screw rodBody and screw rod tail are one-body molded, and the width of this fixed platform is shorter than the width of screw rod body and is longer than the width of screw rod tail,Three is totally " ladder " shape.
On this basis, the outlet pipe entirety that described centre is provided with water outlet cavity is cuboid, and with in selfHeart line becomes axial symmetry; Described water outlet cavity also becomes axial symmetry setting with this center line.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus, comprise upper cover plate, lower cover, water inletGas deflation assembly, connecting screw rod and outlet pipe, parts are simple, and only need on cylinder body, process a fabrication holeRealize the object of simultaneously intaking with exhaust in the time doing the water pressure test, avoid the skill screw that goes into operation on cylinder body, from making moreSee ideally by situation, reached test objective and requirement, will be at cylinder while having solved the water pressure test of doing cylinder bodyOn body, process 2 technique screws, be respectively used to into the problem of water and exhaust.
(2) the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus, current enter cylinder body chamber, due to skyGas proportion is lighter than water, after water enters, just air is extruded from the gap between outlet pipe and connecting screw rod, enter " underAir chamber ", then 2 through holes between upper and lower air chamber enter " air chamber ", then from steam ventDischarge, operation principle is simple, when seeing while having water to discharge from steam vent, shows that the air in cylinder body is arranged completelyGo out, be skillfully constructed, simple in structure, easy to use, with low cost.
(3) the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus, inlet opening is set to 3 parts, pointWei first inlet segment, middle inlet segment and top; Just inlet segment connects and is connected with middle inlet segment, middle inlet segment and topEnd is fixedly connected with; Just the aperture of inlet segment is greater than the aperture of middle inlet segment, and just in being shorter in length than of inlet segment, entersThe length of water section; The aperture of first inlet segment is set to be greater than the aperture of middle inlet segment, realizes at the beginning currentGreatly, while entering middle inlet segment, current diminish, and increase flow power, make to enter obtain before cylinder body more movingAfter power, be conducive to enter in cylinder body and get rid of rapidly in time air in cylinder body, there is larger implementation result.
(4) the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus, centre is provided with the second exhaust cavityConnecting screw rod entirety be " in " font, comprise screw head, screw rod body and screw rod tail, this screw head, screw rod bodyOne-body molded with screw rod tail. The screw rod body of mid portion is arranged than screw head and screw rod tail and widened, be conducive to increaseThe lifting surface area of large connecting screw rod entirety, after cylinder body seal is good, screws in this device the screw processing in advanceIn and seal and screws in process with diaphragm seal, make device stressed more even, and the water pressure test is carried out in guaranteeIn process, the stability of device and tolerance.
Brief description of the drawings
Fig. 1 is the special water inlet of the cylinder body water pressure test of the present invention and vent mechanism principle schematic;
Fig. 2 is the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus upper cover plate structural representation;
Fig. 3 is the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus water inlet gas deflation assembly structural representation;
Fig. 4 is the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus lower cover structural representation;
Fig. 5 is the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus connecting screw rod structural representation;
Fig. 6 is the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus service branch structure schematic diagram;
Fig. 7 is the cross section of the screw rod body of the special water inlet of the cylinder body water pressure test of the present invention and exhaust apparatus connecting screw rodFigure.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that this placeThe specific embodiment of describing, only in order to explain the present invention, is not intended to limit the present invention.
A specific embodiment of the present invention as shown in Fig. 1～6 is as follows: a kind of cylinder body water pressure test special enterWater and exhaust apparatus, the upper cover plate 1, the centre that in the middle of comprising, are provided with the first exhaust cavity 10 are provided with screw rodThe lower cover 3 of cavity 30, the water inlet gas deflation assembly 2 that is provided with air cavity and inlet opening 23, middle settingThere are connecting screw rod 4 and the middle outlet pipe 5 that is provided with water outlet cavity 50 of the second exhaust cavity 40; Water inlet rowPneumatic module 2 is arranged between upper cover plate 1 and lower cover 3, and connects by welding 200; This water inlet exhaust banksIn part 2, be also provided with the first through hole 241 and the second through hole 242, and connect respectively air cavity; Connecting screw rod4 are fixed on lower cover 3 and are threaded connection; Outlet pipe 5 run through respectively from top to bottom into water gas deflation assembly 2,After lower cover 3 and connecting screw rod 4, connecting screw rod 4 bottoms are stretched out in lower end.
As shown in Figure 2: upper cover plate 1 global shape that centre is provided with the first exhaust cavity 10 is with in selfThe convex body of heart line symmetry, the first exhaust cavity 10 is arranged in the middle of convex body, and with the center line of convex bodySymmetrical.
As shown in Figure 3: water inlet gas deflation assembly 2 entirety that are provided with air cavity and inlet opening 23 are cuboid,And taking own level center line as symmetric body; The inlet opening 23 of water inlet gas deflation assembly 2 is arranged on cuboid one side,And the horizontal center line with cuboid becomes axial symmetry.
As shown in Figure 3: the air cavity of water inlet gas deflation assembly 2 is divided into air cavity 21 and lower air skyChamber 22, on this, air cavity 21 is arranged at above cuboid, and lower air cavity 22 is arranged at below cuboid;The first through hole 241 is set in lower air cavity 22, and this first through hole 241 is communicated with inlet opening 23, and this is first years oldOn through hole 241, connecting the second through hole 242, the second through holes 242 is communicated with upper air cavity 21.
As shown in Figure 3: inlet opening 23 is set to 3 parts, be respectively just inlet segment 231, middle inlet segment233 and top 232; Just inlet segment 231 connects and is connected with middle inlet segment 233, middle inlet segment 233 and top232 are fixedly connected with; Just the aperture of inlet segment 231 is greater than the aperture of middle inlet segment 233, and first inlet segment 231The length that is shorter in length than middle inlet segment 233.
As shown in Figure 4: lower cover 3 entirety that centre is provided with screw cavity 30 is cuboid, and with fromBody center line is symmetric body; Screw cavity 30 is symmetrical arranged taking this center line as symmetry axis.
As shown in Figure 5: connecting screw rod 4 entirety that centre is provided with the second exhaust cavity 40 be " in " wordType, comprises screw head 41, screw rod body 42 and screw rod tail 43, this screw head 41, screw rod body 42 and screw rod tail43 is one-body molded, and become axial symmetry with self center line; The second exhaust cavity 40 also becomes axle pair with this center lineClaim to arrange.
As shown in Figure 5: between screw rod body 42 and screw rod tail 43, be provided with fixed platform 44, this fixed platform44 is one-body molded with screw rod body 42 and screw rod tail 43, and the width of this fixed platform 44 is shorter than screw rod body 42Width and be longer than the width of screw rod tail 43, three is totally " ladder " shape, in the present embodiment, as Fig. 7 instituteShow: the cross-sectional shape of screw rod body 42 is regular hexagons.
As the present embodiment further preferably, between connecting screw rod 4 and lower cover 3, connect by fine threadConnect, and end face is also provided with the sealing of O RunddichtringO.
As shown in Figure 6: outlet pipe 5 entirety that centre is provided with water outlet cavity 50 is cuboid, and with fromBody center line becomes axial symmetry; Water outlet cavity 50 also becomes axial symmetry setting with this center line.
Referring to Fig. 1, the operation principle of this device: after cylinder body 100 good seals, this device is screwed in to cylinder body 100In the screw processing in advance and with diaphragm seal sealing, screw. Then connect water pump at a place of inlet opening 23Water pipe, opens water pump and pours water in device, and current enter chamber by water pump water pipe, because air specific weight compares waterGently, after entering, just air is extruded from the b1 between outlet pipe 5 and connecting screw rod 4 and b2 two gaps in water,Enter " lower air chamber 22 ", then lead to from the first through hole 241 between upper and lower two air chamber and secondHole 242 enters " upper air chamber 21 ", then gathers from steam vent b and discharge. There is water from steam vent when seeingWhen b place discharges, show that the air in cylinder body 100 is discharged completely, now at steam vent place, Pressure gauge loaded onto,Continue to enter in cylinder body from c pump water by the hydraulic pressure value of designing requirement, after keeping certain hour water-tight, testCan finish.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, as previously mentioned, is to be understood that the present invention alsoNon-ly be confined to disclosed herein form, should do not regard the eliminating to other embodiment as, and can be used for various itsHis combination, amendment and environment, and can be in invention contemplated scope described herein, by above-mentioned instruction or relevantTechnology or the knowledge in field are changed. And the change that those skilled in the art carry out and variation do not depart from of the present inventionSpirit and scope, all should be in the protection domain of claims of the present invention.
Claims (10)
1. the special water inlet of the cylinder body water pressure test and an exhaust apparatus, is characterized in that: in the middle of comprising, be provided with firstThe upper cover plate (1) of exhaust cavity (10), the lower cover (3) that centre is provided with screw cavity (30), settingThere are water inlet gas deflation assembly (2), the centre of air cavity and inlet opening (23) to be provided with the second exhaust cavity (40)Connecting screw rod (4) and centre be provided with the outlet pipe (5) of water outlet cavity (50); Described water inlet exhaust banksPart (2) is arranged between upper cover plate (1) and lower cover (3), and by being welded to connect; This water inlet exhaustIn assembly (2), be also provided with the first through hole (241) and the second through hole (242), and connect respectively air cavity;Described connecting screw rod (4) is fixed on lower cover (3) and is threaded connection; Described outlet pipe (5) is from upperTo lower running through respectively after water gas deflation assembly (2), lower cover (3) and connecting screw rod (4), lower end is stretched out and is connectedConnect screw rod (4) bottom.
2. the special water inlet of the cylinder body water pressure test according to claim 1 and exhaust apparatus, is characterized in that: instituteUpper cover plate (1) global shape that is provided with the first exhaust cavity (10) in the middle of stating is with self center line symmetryConvex body, described the first exhaust cavity (10) is arranged in the middle of convex body, and with the center line pair of convex bodyClaim.
3. the special water inlet of the cylinder body water pressure test according to claim 1 and exhaust apparatus, is characterized in that: instituteStating water inlet gas deflation assembly (2) entirety that is provided with air cavity and inlet opening (23) is cuboid, and with fromBody horizontal center line is symmetric body.
4. the special water inlet of the cylinder body water pressure test according to claim 3 and exhaust apparatus, is characterized in that: instituteThe inlet opening (23) of the water inlet gas deflation assembly of stating is arranged on cuboid one side, and with the horizontal center line of cuboidBecome axial symmetry.
5. the special water inlet of the cylinder body water pressure test according to claim 3 and exhaust apparatus, is characterized in that: instituteState into the air cavity of water gas deflation assembly (2) and be divided into upper air cavity (21) and lower air cavity (22), shouldUpper air cavity (21) is arranged at above cuboid, and lower air cavity (22) is arranged at below cuboid; InstituteState the first through hole (241) is set in lower air cavity (22), this first through hole (241) and inlet opening (23)Be communicated with upper the second through hole (242), described the second through hole (242) and the overhead of connecting of this first through hole (241)Gas cavity (21) is communicated with.
6. according to the special water inlet of the cylinder body water pressure test and exhaust apparatus described in claim 1 or 4, it is characterized in that:Described inlet opening is established (23) and is set to 3 parts, is respectively just inlet segment (231), middle inlet segment (233)And top (232); Described just inlet segment (231) connects and is connected with middle inlet segment (233), middle inlet segment (233)Be fixedly connected with top (232); The described just aperture of inlet segment (231) is greater than middle inlet segment (233)Aperture, and the length that is shorter in length than middle inlet segment (233) of first inlet segment (231).
7. the special water inlet of the cylinder body water pressure test according to claim 1 and exhaust apparatus, is characterized in that: instituteLower cover (3) entirety that is provided with screw cavity (30) in the middle of stating is cuboid, and taking self center line asSymmetric body; Described screw cavity (30) is symmetrical arranged taking this center line as symmetry axis.
8. the special water inlet of the cylinder body water pressure test according to claim 1 and exhaust apparatus, is characterized in that: instituteConnecting screw rod (4) entirety that is provided with the second exhaust cavity (40) in the middle of stating be " in " font, comprise spiral shellBar head (41), screw rod body (42) and screw rod tail (43), this screw head (41), screw rod body (42) and spiral shellBar tail (43) is one-body molded, and becomes axial symmetry with self center line; Described the second exhaust cavity (40) is with thisCenter line also becomes axial symmetry setting.
9. the special water inlet of the cylinder body water pressure test according to claim 8 and exhaust apparatus, is characterized in that: instituteState between screw rod body (42) and screw rod tail (43) and be provided with fixed platform (44), this fixed platform (44)One-body molded with screw rod body (42) and screw rod tail (43), the width of this fixed platform (44) is shorter than screw rod body(42) width and be longer than the width of screw rod tail (43), three is totally " ladder " shape.
10. the special water inlet of the cylinder body water pressure test according to claim 1 and exhaust apparatus, is characterized in that: instituteOutlet pipe (5) entirety that is provided with water outlet cavity (50) in the middle of stating is cuboid, and with self center line one-tenthAxial symmetry; Described water outlet cavity (50) also becomes axial symmetry setting with this center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988786.7A CN105606310B (en) | 2015-12-24 | 2015-12-24 | A kind of special water inlet of the cylinder body water pressure test and exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988786.7A CN105606310B (en) | 2015-12-24 | 2015-12-24 | A kind of special water inlet of the cylinder body water pressure test and exhaust apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105606310A true CN105606310A (en) | 2016-05-25 |
| CN105606310B CN105606310B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510988786.7A Active CN105606310B (en) | 2015-12-24 | 2015-12-24 | A kind of special water inlet of the cylinder body water pressure test and exhaust apparatus |
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| Country | Link |
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| CN (1) | CN105606310B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441719A (en) * | 2016-09-29 | 2017-02-22 | 武汉船用机械有限责任公司 | Pumping assembly for hydraulic cylinder |
| CN109752147A (en) * | 2018-12-07 | 2019-05-14 | 四川中车玉柴发动机股份有限公司 | A kind of cam hole oil duct hydraulic pressure test fixture |
| CN113984393A (en) * | 2021-09-18 | 2022-01-28 | 中信重工机械股份有限公司 | Exhaust device for steam turbine cylinder hydrostatic test |
| CN114068047A (en) * | 2021-11-15 | 2022-02-18 | 中核检修有限公司 | Auxiliary water inlet device for hydrostatic test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2443362Y (en) * | 2000-09-22 | 2001-08-15 | 洪声礼 | Integrated pipe for filling water and exhausting |
| CN202041358U (en) * | 2011-04-29 | 2011-11-16 | 南通赛孚机械设备有限公司 | Hydrostatic testing tool for pressure container |
| KR20140137090A (en) * | 2013-05-22 | 2014-12-02 | 현대중공업 주식회사 | Apparatus for checking water pressure of propeller cap for ship |
| CN204789163U (en) * | 2015-07-08 | 2015-11-18 | 安徽明腾永磁机电设备有限公司 | Hydrostatic test seals air bleeder |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443362Y (en) * | 2000-09-22 | 2001-08-15 | 洪声礼 | Integrated pipe for filling water and exhausting |
| CN202041358U (en) * | 2011-04-29 | 2011-11-16 | 南通赛孚机械设备有限公司 | Hydrostatic testing tool for pressure container |
| KR20140137090A (en) * | 2013-05-22 | 2014-12-02 | 현대중공업 주식회사 | Apparatus for checking water pressure of propeller cap for ship |
| CN204789163U (en) * | 2015-07-08 | 2015-11-18 | 安徽明腾永磁机电设备有限公司 | Hydrostatic test seals air bleeder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441719A (en) * | 2016-09-29 | 2017-02-22 | 武汉船用机械有限责任公司 | Pumping assembly for hydraulic cylinder |
| CN106441719B (en) * | 2016-09-29 | 2020-04-28 | 武汉船用机械有限责任公司 | Pump pressure frock of pneumatic cylinder body |
| CN109752147A (en) * | 2018-12-07 | 2019-05-14 | 四川中车玉柴发动机股份有限公司 | A kind of cam hole oil duct hydraulic pressure test fixture |
| CN109752147B (en) * | 2018-12-07 | 2021-07-06 | 四川中车玉柴发动机股份有限公司 | Cam hole oil duct hydrostatic test frock |
| CN113984393A (en) * | 2021-09-18 | 2022-01-28 | 中信重工机械股份有限公司 | Exhaust device for steam turbine cylinder hydrostatic test |
| CN114068047A (en) * | 2021-11-15 | 2022-02-18 | 中核检修有限公司 | Auxiliary water inlet device for hydrostatic test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105606310B (en) | 2018-06-22 |
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Address after: 226000, No. 666, Zhong Xiu Dong Lu, Jiangsu, Nantong Patentee after: Jintongling Technology Group Co., Ltd. Address before: 226000, No. 666, Zhong Xiu Dong Lu, Jiangsu, Nantong Patentee before: Jiangsu Jintongling Fluid Machinery Technology Co., Ltd. |