CN109406062B - Elbow sealing test device - Google Patents
Elbow sealing test device Download PDFInfo
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- CN109406062B CN109406062B CN201811617140.8A CN201811617140A CN109406062B CN 109406062 B CN109406062 B CN 109406062B CN 201811617140 A CN201811617140 A CN 201811617140A CN 109406062 B CN109406062 B CN 109406062B
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- elbow
- lifting plate
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- plugging
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a bent pipe sealing performance test device which comprises a rack, wherein a water tank is arranged on the rack, a lifting plate is arranged in the water tank, a lifting driving mechanism is arranged between the rack and the lifting plate, a bent pipe clamping position is arranged on the lifting plate, a bent pipe clamp for fixing a bent pipe at the bent pipe clamping position is arranged on the lifting plate, a plugging device for plugging two ports of the bent pipe is also arranged on the lifting plate, an air inlet device communicated with one port of the bent pipe clamped by the bent pipe clamp is also arranged on the lifting plate, and the water tank is also connected with a water injection device; the lifter plate rises, fixes the return bend on the lifter plate through return bend anchor clamps, and plugging device is sealed with the both ends mouth of return bend, and then the lifter plate descends and makes the return bend submerge the aquatic of water tank, and then air inlet unit ventilates to a port of return bend, observes whether bubble appears in the water tank, judges the leakproofness of return bend, convenient operation, and the test result is accurate reliable, can effectively survey the sealing performance of return bend.
Description
Technical Field
The invention relates to a device for testing the sealing performance of a bent pipe.
Background
When carrying out the return bend leakproofness test among the prior art, adopt the mode of manual detection more, the operation is relapse moreover, and detection efficiency is lower, because rely on manual operation completely, the deviation appears easily in operation process moreover, and the testing result can not effectively be guaranteed, need consume great manpower moreover.
Disclosure of Invention
In order to make up for the defects, the invention provides the elbow sealing test device which can effectively improve the efficiency of the elbow sealing test and effectively ensure the accuracy of the test result.
The technical scheme of the invention is as follows: the utility model provides a return bend leakproofness test device, includes the frame, be equipped with the water tank in the frame, be equipped with the lifter plate in the water tank, the frame with be equipped with lift actuating mechanism between the lifter plate, be equipped with return bend clamping position on the lifter plate, be equipped with on the lifter plate and fix the return bend anchor clamps of return bend clamping position, still be equipped with the shutoff on the lifter plate the plugging device of return bend both ends mouth, still be equipped with on the lifter plate with the air inlet unit of a port intercommunication of the return bend that return bend anchor clamps clamped, the water tank still is connected with the water injection device.
As a preferred technical scheme, the first port of the elbow is opposite to the lifting plate, the elbow clamp comprises a lower pressing plate for pressing the elbow towards the lifting plate, and a lower pressing driving mechanism is arranged between the lower pressing plate and the lifting plate.
As preferred technical scheme, plugging device is including establishing the first sealed pad of the upper surface of lifter plate, first sealed pad is located the first port of return bend with between the lifter plate, plugging device is still including the shutoff the sealed pad of the second port of return bend, the sealed pad fixed mounting of second is on the shutoff head, fixed mounting has the shutoff to drive actuating cylinder on the lifter plate, fixed mounting has on the piston rod of shutoff drive actuating cylinder the shutoff head.
As a preferred technical scheme, the lifting plate is provided with a positioning pin extending from the first sealing gasket, and the positioning pin is inserted into a through hole on the flange plate on the first port of the bent pipe.
As a preferred technical scheme, the air inlet device comprises an air inlet which is arranged on the lifting plate and penetrates through the first sealing gasket and is communicated with the first port of the bent pipe, and an air compressor is connected to the pipeline of the air inlet.
According to the preferable technical scheme, the lifting plate is provided with a plurality of bent pipe clamping positions, and two adjacent bent pipe clamping positions share one lower pressing plate.
According to the preferable technical scheme, the downward pressing driving mechanism comprises a lifting column, and a lifting column driving cylinder for driving the lifting column to lift is installed on the lifting plate.
As preferred technical scheme, push down actuating mechanism still including establishing the ring channel on the upper portion of lift post, be equipped with the through-hole on the holding down plate, the through-hole rotates to be installed in the ring channel, the first end pressure of holding down plate is in on the return bend, be equipped with the guide post on the lift plate, the guide post slope upwards extends, be equipped with the edge on the holding down plate the guide way that holding down plate length direction extends, the cross section of the two cell walls of the width direction of guide way is the arc, movable mounting has the removal ball in the guide way, the sphere laminating of removal ball is in on the cell wall of the width direction of guide way, be equipped with the guiding hole on the removal ball, the guiding hole cover is in outside the guide post.
By adopting the technical scheme, the elbow sealing test device comprises a rack, wherein a water tank is arranged on the rack, a lifting plate is arranged in the water tank, a lifting driving mechanism is arranged between the rack and the lifting plate, an elbow clamping position is arranged on the lifting plate, an elbow clamp for fixing an elbow at the elbow clamping position is arranged on the lifting plate, a plugging device for plugging two ports of the elbow is further arranged on the lifting plate, an air inlet device communicated with one port of the elbow clamped by the elbow clamp is further arranged on the lifting plate, and the water tank is further connected with a water injection device; the lifter plate rises, fixes the return bend on the lifter plate through return bend anchor clamps, and plugging device is sealed with the both ends mouth of return bend, and then the lifter plate descends and makes the return bend submerge the aquatic of water tank, and then air inlet unit ventilates to a port of return bend, observes whether bubble appears in the water tank, judges the leakproofness of return bend, convenient operation, and the test result is accurate reliable, can effectively survey the sealing performance of return bend.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an operating state of the first embodiment of the present invention; a top view of the reclaimed water pump positioning seat;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at I;
FIG. 5 is a schematic structural diagram of a push-down driving mechanism according to a second embodiment of the present invention;
FIG. 6 is a schematic view of the pressing plate of the pressing drive mechanism pressing on the bent pipe in the second embodiment of the present invention;
fig. 7 is a schematic view illustrating that the lower platen of the lower pressing drive mechanism does not press the elbow pipe in the second embodiment of the present invention.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1 and 2, a bent pipe sealing performance testing device comprises a frame 1, a water tank 2 is arranged on the frame 1, a lifting plate 3 is arranged in the water tank 2, a lifting driving mechanism is arranged between the frame 1 and the lifting plate 3, the lifting driving mechanism comprises a guide post 22 fixedly mounted on the lower surface of the lifting plate, a guide sleeve matched with the guide post is arranged on the frame, the guide post is connected with a piston rod of a lifting plate lifting driving cylinder, a bent pipe clamping position is arranged on the lifting plate 3, a bent pipe clamp for fixing a bent pipe on the bent pipe clamping position is arranged on the lifting plate, a plugging device for plugging two ports of the bent pipe is further arranged on the lifting plate 3, an air inlet device communicated with one port of a bent pipe 4 clamped by the bent pipe clamp is further arranged on the lifting plate 3, the water tank 2 is further connected with a water injection device, the water injection device comprises a water injection hole 21 formed in the water tank, and a water pump is connected to a pipeline of the water injection hole. The lifter plate rises, fixes the return bend on the lifter plate through return bend anchor clamps, and plugging device is sealed with the both ends mouth of return bend, and then the lifter plate descends and makes the return bend submerge the aquatic of water tank, and then air inlet unit ventilates to a port of return bend, observes whether bubble appears in the water tank, judges the leakproofness of return bend, convenient operation, and the test result is accurate reliable, can effectively survey the sealing performance of return bend.
The first port 5 of return bend with lifter plate 3 is relative, the return bend anchor clamps include with the return bend to the holding down plate 6 that lifter plate 3 compressed tightly, holding down plate 6 with be equipped with down between the lifter plate 3 and press actuating mechanism.
Plugging device is including establishing the first sealed pad 7 of the upper surface of lifter plate 3, first sealed pad 7 is located the first port 5 of return bend with between the lifter plate 3, plugging device still includes the shutoff the sealed 9 of second port 8 of return bend, the sealed 9 fixed mounting of second is on shutoff head 10, fixed mounting has shutoff actuating cylinder 11 on the lifter plate 3, fixed mounting has on the piston rod of shutoff actuating cylinder 11 shutoff head 10.
And a positioning pin 12 extending out of the first sealing 7 gasket is arranged on the lifting plate 3, and the positioning pin 12 is inserted into a through hole on a flange plate on the first port of the bent pipe.
The air inlet device comprises an air inlet 13 which is arranged on the lifting plate and penetrates through the first sealing gasket 7 and communicated with the first port 5 of the bent pipe, and the air inlet 13 is connected with an air compressor through a pipeline.
The lifting plate is provided with a plurality of bent pipe clamping positions, and the two adjacent bent pipe clamping positions share one lower pressing plate 6.
The downward pressing driving mechanism comprises a lifting column 15, and a lifting column driving cylinder 14 for driving the lifting column to lift is installed on the lifting plate.
Example two:
the structure of the second embodiment is substantially the same as that of the first embodiment, except that, as shown in fig. 3 and 4, the pressing driving mechanism also comprises an annular groove 16 arranged at the upper part of the lifting column, the lower pressing plate is provided with a through hole, the through hole is rotatably arranged in the annular groove 16, the first end of the lower pressure plate is pressed on the bent pipe 4, the lifting plate is provided with a guide post 17, the guide post 17 extends upwards in an inclined way, the lower pressing plate is provided with a guide groove 18 extending along the length direction of the lower pressing plate, the cross sections of the two groove walls in the width direction of the guide groove are arc-shaped 19, a moving ball 20 is movably arranged in the guide groove 18, the spherical surface of the moving ball 20 is attached to the groove wall of the guide groove 18 in the width direction, and the moving ball is provided with a guide hole which is sleeved outside the guide column 17. When the lifting column drives the lower pressing plate to move upwards, the through hole is rotatably arranged in the annular groove, the lower pressing plate can rotate relative to the lifting column, the spherical surface of the moving ball is attached to the groove wall of the guide groove in the width direction, the moving ball can rotate in the guide groove and move along the guide groove, as shown in fig. 5, the guide column extends upwards in an inclined mode, when the lower pressing plate moves to the upper portion of the guide column, the moving ball moves and rotates along the length direction of the guide groove, as shown in fig. 7, the lower pressing plate can deflect around the lifting column, so that the first end of the lower pressing plate is not pressed on the bent pipe, at the moment, the tested bent pipe can be conveniently taken down and the bent pipe which is not tested can be installed, and when the lifting column moves downwards, as shown in fig. 6, the lower pressing plate swings to the upper portion of the bent pipe and presses the bent pipe downwards. The position change of the lower platen during the upward movement of the lifting column is shown in fig. 4, and the lower platen, which is shown by the dotted line at the upper portion in fig. 4, and the moving ball show the state in which the lower platen moves upward to the upper limit position.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The elbow sealing test device is characterized by comprising a rack, wherein a water tank is arranged on the rack, a lifting plate is arranged in the water tank, a lifting driving mechanism is arranged between the rack and the lifting plate, an elbow clamping position is arranged on the lifting plate, an elbow clamp for fixing an elbow at the elbow clamping position is arranged on the lifting plate, a plugging device for plugging two ports of the elbow is further arranged on the lifting plate, an air inlet device communicated with one port of the elbow clamped by the elbow clamp is further arranged on the lifting plate, and the water tank is further connected with a water injection device; the first port of the elbow is opposite to the lifting plate, the elbow clamp comprises a lower pressing plate for pressing the elbow to the lifting plate, and a lower pressing driving mechanism is arranged between the lower pressing plate and the lifting plate; the air inlet device comprises an air inlet which is arranged on the lifting plate and runs through a first sealing gasket and is communicated with a first port of the elbow, an air inlet pipeline is connected with an air compressor, the downward pressing driving mechanism comprises a lifting column, the lifting column driving cylinder which drives the lifting column to lift is arranged on the lifting plate, the downward pressing driving mechanism further comprises an annular groove which is arranged on the upper part of the lifting column, a through hole is arranged on the downward pressing plate, the through hole is rotatably arranged in the annular groove, the first end of the downward pressing plate is pressed on the elbow, a guide column is arranged on the lifting plate, the guide column extends upwards in an inclined mode, a guide groove which extends along the length direction of the downward pressing plate is arranged on the downward pressing plate, the cross sections of two groove walls of the width direction of the guide groove are arc-shaped, and a moving ball is movably arranged in the guide groove, the spherical surface of the moving ball is attached to the groove wall of the guide groove in the width direction, the moving ball is provided with a guide hole, and the guide hole is sleeved outside the guide column.
2. The elbow tightness test device according to claim 1, wherein the plugging device comprises a first sealing gasket disposed on the upper surface of the lifting plate, the first sealing gasket is located between the first port of the elbow and the lifting plate, the plugging device further comprises a second sealing gasket for plugging the second port of the elbow, the second sealing gasket is fixedly mounted on the plugging head, a plugging driving cylinder is fixedly mounted on the lifting plate, and the plugging head is fixedly mounted on a piston rod of the plugging driving cylinder.
3. The elbow leak tightness test apparatus according to claim 1, wherein the lifting plate is provided with a positioning pin extending from the first gasket, and the positioning pin is inserted into a through hole of a flange plate at the first port of the elbow.
4. The elbow leak tightness test device according to claim 1, wherein a plurality of elbow clamping positions are provided on the lifting plate, and two adjacent elbow clamping positions share one lower pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617140.8A CN109406062B (en) | 2018-12-28 | 2018-12-28 | Elbow sealing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617140.8A CN109406062B (en) | 2018-12-28 | 2018-12-28 | Elbow sealing test device |
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| Publication Number | Publication Date |
|---|---|
| CN109406062A CN109406062A (en) | 2019-03-01 |
| CN109406062B true CN109406062B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617140.8A Active CN109406062B (en) | 2018-12-28 | 2018-12-28 | Elbow sealing test device |
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| CN (1) | CN109406062B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231125B (en) * | 2019-06-21 | 2020-06-23 | 浙江博弈科技股份有限公司 | Air compression type intake manifold leak detection device |
| CN114964639B (en) * | 2022-07-22 | 2022-10-21 | 江苏治宇医疗器材有限公司 | Air measurement detection device of infusion apparatus catheter |
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| CN202210013U (en) * | 2011-09-05 | 2012-05-02 | 山东永和精密金属有限公司 | Bend pipe airtightness testing machine |
| CN204514559U (en) * | 2015-04-02 | 2015-07-29 | 贺尔碧格阀业（常州）有限公司 | A kind of explosion-proof valve checkout equipment |
| CN206348114U (en) * | 2016-12-22 | 2017-07-21 | 上海瑞孚管路系统有限公司 | Pipe fitting sealing property detection device |
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2018
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| JPH10300625A (en) * | 1997-05-01 | 1998-11-13 | Hitachi Ltd | Leak inspection device and leak inspection method |
| RU125285U1 (en) * | 2012-08-16 | 2013-02-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") | DEVICE FOR CONVERSION OF ROTATIONAL MOVEMENT IN TRANSITION |
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Non-Patent Citations (1)
| Title |
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| 金属管材气密性试验方法的改进;段凌宇;《湖南冶金职业技术学院学报》;20050331;第5卷(第1期);第94-96页 * |
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| CN109406062A (en) | 2019-03-01 |
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Effective date of registration: 20220815 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261205 518 Shengrui Street, Weifang High-tech Industrial Development Zone, Shandong Province Patentee before: SHENGRUI TRANSMISSION Corp.,Ltd. |
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