CN106644294A - Pressure test machine applicable to cast iron elbows - Google Patents
Pressure test machine applicable to cast iron elbows Download PDFInfo
- Publication number
- CN106644294A CN106644294A CN201710078525.0A CN201710078525A CN106644294A CN 106644294 A CN106644294 A CN 106644294A CN 201710078525 A CN201710078525 A CN 201710078525A CN 106644294 A CN106644294 A CN 106644294A
- Authority
- CN
- China
- Prior art keywords
- cast iron
- bend pipe
- framework portion
- regulating block
- test machine
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
Abstract
The invention discloses a pressure test machine applicable to cast iron elbows. The pressure test machine is characterized by comprising a rack part, wherein a hydraulic oil cylinder, a cast iron elbow workpiece and a supporting part are arranged at the middle in the rack part in sequence from top to bottom; the hydraulic oil cylinder is fixed above the rack part, the hydraulic oil cylinder comprises a hydraulic rod, an upper pressure plate is connected to the lower part of the hydraulic rod, and the hydraulic oil cylinder can control the hydraulic rod to move up and down; a valve vent hole is formed in the upper pressure plate; the supporting part comprises a supporting plate, a fixing part and a multilevel adjusting block, and the fixing part is fixed below the rack part and is hinged with the supporting plate; the multilevel adjusting block is of a stepped structure and can move left and right below the rack part; and a water inlet pressurization pipe is arranged in the supporting plate. The pressure test machine disclosed by the invention breaks through the traditional seal cover fixing manner of elbow pressure tests and further improves the efficiency of testing the cast iron elbows in batches.
Description
Technical field
The present invention relates to workpiece field tests, more particularly to a kind of pressure testing machine suitable for cast iron bend pipe.
Background technology
At present in foundry machinery field, cast iron bend pipe is in the fabrication process because small opening feelings often occurs in the defect of wall processed
Condition, and the rectilinear pressure testing machine that traditional test is adopted, by being full of water in normal bend, then by the pressurization in water
Leak hunting.
Traditional unit is typically only applicable to cast iron straight pipe, and for bend pipe leaking hunting by entrance directly using close
Capping is fixed, due to being screwed before test, and after the completion of open fixed screw again, it is less efficient.
The content of the invention
The technical problem to be solved in the present invention is：For above-mentioned the deficiencies in the prior art, there is provided it is curved that one kind is applied to cast iron
The pressure testing machine of pipe.
The present invention solves the solution of its technical problem：A kind of pressure testing machine suitable for cast iron bend pipe, its feature exists
In, including framework portion, middle part is from top to bottom sequentially provided with hydraulic jack, cast iron bend pipe workpiece and support in described framework portion
Portion；Described hydraulic jack is fixed on described framework portion top, and described hydraulic jack includes hydraulic stem, described hydraulic stem
Bottom is connected with top board, the described hydraulic jack upper and lower operation of controllable hydraulic stem；Valve row is provided with described top board
Pore；Described supporting part includes gripper shoe, fixed part, multistage regulating block, and described fixed part is fixed on described framework portion
Lower section, and be hinged with described gripper shoe；Described multistage regulating block is hierarchic structure, can be moved left and right below framework portion
It is dynamic；Water inlet pressurization pipe is provided with inside described gripper shoe.
It is described as one of preferred technical scheme, it is characterised in that also include outer wall support bar in described framework portion
Outer wall support bar it is adjustable relative to the left and right movement of framework portion.
As one of preferred technical scheme, it is characterised in that described multistage regulating block is three-level hierarchic structure.
As one of preferred technical scheme, it is characterised in that described multistage regulating block is Pyatyi hierarchic structure.
The invention has the beneficial effects as follows：（1）The present invention breaches closure fixed form of the tradition to bend pipe pressure measurement, enters one
Step improves the testing efficiency of batch cast iron bend pipe；（2）The present invention realizes the tune to supported underneath plate direction by multistage regulating block
Section, so that gripper shoe is set to adjustable structure, is arranged in certain one-level of multistage regulating block by one end of gripper shoe,
To realize the regulation of fixed support plate angle, to adapt to the cast iron bend pipe of multiple angles；（3）The present invention is by multistage regulating block
Step quantity arrange, be capable of achieving gripper shoe direction difference angle regulation, it is simple and convenient.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than is all implemented
Example, those skilled in the art on the premise of not paying creative work, can be designed with obtaining other according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
The technique effect of the design, concrete structure and generation of the present invention is carried out clearly below with reference to embodiment and accompanying drawing
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to that component directly connects, and refer to and can be added deduct by adding according to the situation that is embodied as
Lack couple auxiliary to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
With reference to Fig. 1, a kind of pressure testing machine suitable for cast iron bend pipe, it is characterised in that including framework portion 1, described frame
Middle part is from top to bottom sequentially provided with hydraulic jack 2, cast iron bend pipe workpiece 3 and supporting part 4 in portion 1；Described hydraulic jack 2 is fixed
In the described top of framework portion 1, described hydraulic jack 2 includes hydraulic stem 21, and the described bottom of hydraulic stem 21 is connected with pressure
Plate 22, described hydraulic jack 2 can control the upper and lower operation of hydraulic stem 21；Valve steam vent 23 is provided with described top board 22.
Described supporting part 4 includes gripper shoe 41, fixed part 42, multistage regulating block 43, and described fixed part 42 is fixed on described machine
The lower section in frame portion 1, is hinged with described gripper shoe 41；Described multistage regulating block 43 is hierarchic structure, can be below framework portion 1
Move left and right；Water inlet pressurization pipe 411 is provided with inside described gripper shoe 41.
As one of preferred embodiment, it is characterised in that also include outer wall support bar 5, institute in described framework portion 1
The outer wall support bar 5 stated is adjustable relative to the left and right movement of framework portion 1.
As one of preferred embodiment, it is characterised in that described multistage regulating block 43 is three-level hierarchic structure.
As one of preferred embodiment, it is characterised in that described multistage regulating block 43 is Pyatyi hierarchic structure.
Operation principle of the present invention is as follows：
（1）Valve steam vent 23 is opened, hydraulic jack 2 will be driven to lift hydraulic stem 21 to highest order, be displaced outwardly multistage regulation
Block 43, adjusts gripper shoe 41 to suitable angle, moves inward multistage regulating block 43, makes gripper shoe 41 be stuck in multistage regulating block 43
In corresponding step.
（2）Cast iron bend pipe workpiece 3 to be tested, 3 times square hole alignment water inlet pressurization pipes of cast iron bend pipe workpiece are placed at middle part
411, outer wall support bar 5 is pushed into the outer wall of cast iron bend pipe workpiece 3, to be supported to bend pipe.
（3）Start hydraulic jack 2 to decline so that top board 22 presses close to the upper wall of cast iron bend pipe workpiece 3, and applies one to upper wall
Fixed active force.
（4）To the water filling of water inlet pressurization pipe 411, to filling cast iron bend pipe workpiece 3（After there is the water outlet of valve steam vent 23）.
（5）Valve steam vent 23 is closed, continues, to the water filling of water inlet pressurization pipe 411, to check cast iron bend pipe water outlet situation.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the enforcement
Example, those of ordinary skill in the art can also make a variety of equivalent modifications on the premise of without prejudice to spirit of the invention or replace
Change, the modification of these equivalents or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of pressure testing machine suitable for cast iron bend pipe, it is characterised in that including framework portion（1）, described framework portion（1）In interior
Portion is from top to bottom sequentially provided with hydraulic jack（2）, cast iron bend pipe workpiece（3）And supporting part（4）；Described hydraulic jack（2）Gu
It is scheduled on described framework portion（1）Top, described hydraulic jack（2）Including hydraulic stem（21）, described hydraulic stem（21）Bottom
It is connected with top board（22）, described hydraulic jack（2）Controllable hydraulic stem（21）Upper and lower operation；Described top board（22）
Inside it is provided with valve steam vent（23）；Described supporting part（4）Including gripper shoe（41）, fixed part（42）, multistage regulating block（43）,
Described fixed part（42）It is fixed on described framework portion（1）Lower section, and with described gripper shoe（41）It is hinged；Described is more
Level regulating block（43）For hierarchic structure, can be in framework portion（1）Lower section moves left and right；Described gripper shoe（41）Inside is provided with into water
Forcing pipe（411）.
2. the pressure testing machine suitable for cast iron bend pipe according to claim 1, it is characterised in that described framework portion（1）It is interior
Also include outer wall support bar（5）, described outer wall support bar（5）Can adjust relative to framework portion（1）Left and right movement.
3. the pressure testing machine suitable for cast iron bend pipe according to claim 2, it is characterised in that described multistage regulating block
（43）For three-level hierarchic structure.
4. the pressure testing machine suitable for cast iron bend pipe according to claim 2, it is characterised in that described multistage regulating block
（43）For Pyatyi hierarchic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078525.0A CN106644294A (en) | 2017-02-14 | 2017-02-14 | Pressure test machine applicable to cast iron elbows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078525.0A CN106644294A (en) | 2017-02-14 | 2017-02-14 | Pressure test machine applicable to cast iron elbows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106644294A true CN106644294A (en) | 2017-05-10 |
Family
ID=58846145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710078525.0A Withdrawn CN106644294A (en) | 2017-02-14 | 2017-02-14 | Pressure test machine applicable to cast iron elbows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644294A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158527A (en) * | 1979-05-28 | 1980-12-10 | Kubota Ltd | Hydraulic test device for dissimilar pipe |
| CN202485987U (en) * | 2012-02-21 | 2012-10-10 | 新兴能源装备股份有限公司 | Spheroidal graphite cast iron elbow pipe pressure testing device |
| CN202916152U (en) * | 2012-10-23 | 2013-05-01 | 中国石油天然气集团公司 | Single-bend pressure test device |
| CN204302108U (en) * | 2014-12-25 | 2015-04-29 | 安源管道实业有限公司 | The pressure testing device of inspection bend pipe tools |
| CN204718895U (en) * | 2015-07-09 | 2015-10-21 | 辽宁爱维尔铸业股份有限公司 | Multi-functional hydraulic pressure tester for pipe fitting |
| CN206470024U (en) * | 2017-02-14 | 2017-09-05 | 佛山市恒学科技服务有限公司 | A kind of pressure testing machine suitable for cast iron bend pipe |
-
2017
- 2017-02-14 CN CN201710078525.0A patent/CN106644294A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158527A (en) * | 1979-05-28 | 1980-12-10 | Kubota Ltd | Hydraulic test device for dissimilar pipe |
| CN202485987U (en) * | 2012-02-21 | 2012-10-10 | 新兴能源装备股份有限公司 | Spheroidal graphite cast iron elbow pipe pressure testing device |
| CN202916152U (en) * | 2012-10-23 | 2013-05-01 | 中国石油天然气集团公司 | Single-bend pressure test device |
| CN204302108U (en) * | 2014-12-25 | 2015-04-29 | 安源管道实业有限公司 | The pressure testing device of inspection bend pipe tools |
| CN204718895U (en) * | 2015-07-09 | 2015-10-21 | 辽宁爱维尔铸业股份有限公司 | Multi-functional hydraulic pressure tester for pipe fitting |
| CN206470024U (en) * | 2017-02-14 | 2017-09-05 | 佛山市恒学科技服务有限公司 | A kind of pressure testing machine suitable for cast iron bend pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |