CN201866441U - Piping system and centrifugal pump closed-type test device with same - Google Patents
Piping system and centrifugal pump closed-type test device with same Download PDFInfo
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- CN201866441U CN201866441U CN2010205591999U CN201020559199U CN201866441U CN 201866441 U CN201866441 U CN 201866441U CN 2010205591999 U CN2010205591999 U CN 2010205591999U CN 201020559199 U CN201020559199 U CN 201020559199U CN 201866441 U CN201866441 U CN 201866441U
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- pipe
- centrifugal pump
- piping system
- pipe arrangement
- flange
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Abstract
The utility model discloses a piping system and a centrifugal pump closed-type test device with the same; the piping system comprises a rigid first piping (21) and a rigid second piping (22), wherein the first piping (21) and the second piping are connected w via a rotary S pipe (23); the centrifugal pump closed-type test device with the piping system comprises a centrifugal pump support table (1), a cavitation barrel (3) and the piping system, wherein the cavitation barrel (3) and the piping system are connected with each other, and the piping system is the piping system of the centrifugal pump closed-type test device. The centrifugal pump closed-type test device of the utility model can match with various centrifugal pumps, and is compact in structure, convenient in mounting and dismounting, good in safety and reliability and the like.
Description
Technical field
The utility model relates to the centrifugal pump field, is specifically related to a kind of enclosed testing apparatus of centrifugal pump.
Background technique
Closed loop test-bed is the critical facility that centrifugal pump is carried out testing property, and the water for test in the closed loop test-bed is to circulate in the container (also cry cavitation erosion tube) of a sealing, and closed loop test-bed links to each other with tested centrifugal pump by pipe arrangement.Because the centrifugal pump that closed loop test-bed needs the various boundary dimension of test specification to have nothing in common with each other, so the pipe arrangement of closed loop test-bed is the bottleneck place of the efficient test of centrifugal pump always.
For solving the difference of tested centrifugal pump profile interface size, closed loop test-bed generally links to each other with the interface of tested centrifugal pump by metallic hose or rubber hose at present, is enclosed within on the interface of centrifugal pump after metallic hose or rubber hose are out of shape.For the centrifugal pump of small-bore interface, the deformation ratio of metallic hose or rubber hose is easier to accomplish, but for the centrifugal pump of larger caliber, in order to make metallic hose or rubber hose produce the certain deformation amount, the length of metallic hose or the rubber hose of just must extending, the floor space that this will increase closed loop test-bed influences the overall appearance of closed loop test-bed.Adopt the form pipe arrangement difficulty height of distortion socket, need at least two workmans to carry out pipe arrangement, time-consuming effort again, oversize metallic hose or rubber hose increase the line loss of importing and exporting, more because the flexible pipe of crooked irregularity causes it effectively not fix, the impact of current causes the vibrations of flexible pipe in the test, there is potential safety hazard, influenced the stability and the reliability of closed loop test-bed test.
The model utility content
The utility model is at the defective of above-mentioned prior art, provide a kind of and can carry out pipe arrangement fast the centrifugal pump of multiple different boundary dimension, thereby efficiently finish the testing property work of centrifugal pump, this piping system has the good piping system of compact structure, easy installation and removal, safety reliability and has the centrifugal pump enclosed testing apparatus of piping system.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of piping system, it comprises first pipe arrangement and second pipe arrangement that is rigidity, links to each other by rotating S pipe between described first pipe arrangement and second pipe arrangement.
Preferably, described S pipe is made up of interconnective S pipe and the 2nd S pipe, and a described S pipe links to each other with described first pipe arrangement, and described the 2nd S pipe links to each other with described second pipe arrangement.
Preferably, described S pipe and the 2nd S pipe comprise a S pipe flange and the 2nd S pipe flange that two axis parallel, and link to each other with second arc pipe by first arc pipe successively between a described S pipe flange and the 2nd S pipe flange.
Preferably, described second pipe arrangement is supported on the elevator mechanism 5.
The utility model also provides a kind of centrifugal pump enclosed testing apparatus with piping system, and it comprises centrifugal pump supporting station, interconnective cavitation erosion tube and piping system, and described piping system is the piping system of above-mentioned centrifugal pump enclosed testing apparatus.
Preferably, described centrifugal pump supporting station is the movable supporting station of liftable hydraulic pressure.
The utlity model has following advantage: link to each other by rotating S pipe between first pipe arrangement of piping system of the present utility model and second pipe arrangement, can easily adjust the position of second pipe arrangement on the both direction of space to adapt to the centrifugal pump of different boundary dimension, have laborsaving, safe and reliable characteristics easy for installation, convenient.The S pipe is made up of interconnective S pipe and the 2nd S pipe, and degree of amplitude modulation is bigger, can adapt to the centrifugal pump of more different size; Second pipe arrangement is supported on the elevator mechanism, can promote second pipe arrangement by elevator mechanism, makes second pipe arrangement with respect to first pipe arrangement moving to mate obstructed tested centrifugal pump of front and back up and down be taken place, and is easy to operate quick.Of the present utility model have the centrifugal pump enclosed testing apparatus of piping system owing to have above-mentioned piping system, therefore also possesses the identical advantage of above-mentioned piping system, and the centrifugal pump supporting station with centrifugal pump enclosed testing apparatus of piping system of the present utility model is liftable movable supporting station, height that can easy adjustment centrifugal pump supporting station makes centrifugal pump suction port and suction pipe butt joint, regulate second pipe arrangement in conjunction with elevator mechanism, make the butt joint of centrifugal pump discharge opening and output tube, pipe arrangement is easy to operate fast, the testing efficiency height.
Description of drawings
Fig. 1 has the centrifugal pump enclosed testing apparatus structural representation of piping system for the utility model embodiment;
Fig. 2 is the structural representation of the S pipe of the utility model embodiment piping system;
Fig. 3 is the axial movement schematic representation of two sections S pipes of the utility model embodiment piping system;
Fig. 4 is the structural representation of the flexible joint of the utility model embodiment piping system;
Fig. 5 is the local structure for amplifying schematic representation of Fig. 4.
Embodiment
As shown in Figure 1, the centrifugal pump enclosed testing apparatus with piping system of present embodiment comprises centrifugal pump supporting station 1, interconnective cavitation erosion tube 3 and piping system.Centrifugal pump supporting station 1 is the movable supporting station of liftable hydraulic pressure in the present embodiment.
As shown in Figure 1, piping system comprises between first pipe arrangement 21 that is rigidity and second pipe arrangement, 22, the first pipe arrangements 21 and second pipe arrangement 22 and linking to each other by rotating S pipe 23 in the present embodiment.
In the present embodiment, S pipe 23 is made up of interconnective S pipe the 231 and the 2nd S pipe 232, and S pipe 231 links to each other with first pipe arrangement 21, and the 2nd S manages 232 and links to each other with second pipe arrangement 22.Be equiped with electromagnetic flowmeter 210 and electric valve 211 on first pipe arrangement 21, first pipe arrangement 21 is fixed on the supporting frame 212, second pipe arrangement 22 is supported on the elevator mechanism 5, elevator mechanism 5 is adjusted distance between the centrifugal pump supporting station 1 and second pipe arrangement 22 by the height of adjusting second pipe arrangement 22, elevator mechanism 5 is for adopting hydraulic lifting cylinder in the present embodiment, and hydraulic lifting cylinder is supported on the oil hydraulic cylinder pedestal 51.Second pipe arrangement 22 links to each other with the water outlet of tested centrifugal pump 6 by one section bend pipe 221, and the water intake of tested centrifugal pump 6 and cavitation erosion tins 3 links to each other, and bend pipe 221 is made up of multistage, can adopt obstructed bore model to adapt to the tested centrifugal pump 6 of obstructed specification as required.Tested centrifugal pump 6 is installed on the centrifugal pump supporting station 1, and centrifugal pump supporting station 1 is liftable movable supporting station.On behalf of piping system, the dotted portion among Fig. 1 then turn to state when the highest.
As shown in Figure 2, the one S pipe the 231 and the 2nd S pipe 232 comprises that two axis are parallel to each other and links to each other with second arc pipe 2304 by first arc pipe 2303 successively between the S pipe flange 2301 that distributes and the 2nd S pipe flange 2301, the one S pipe flanges 2301 and the 2nd S pipe flange 2301.In the present embodiment, the die axis of the die axis of first arc pipe 2303 and second arc pipe 2304 is tangent, and the center of circle of the die axis of the center of circle of the die axis of first arc pipe 2303 and second arc pipe 2304 lays respectively at the both sides of tangent line.
As shown in Figure 3, as shown in Figure 3, the AB representative is by a S pipe flange 2301 of S pipe 231 and the throw of eccentric between the 2nd S pipe flange 2301, the A point is a S pipe 231 and the coaxial tie point of first pipe arrangement 21, the BC representative is by a S pipe flange 2301 of the 2nd S pipe 232 and the throw of eccentric between the 2nd S pipe flange 2301, the C point is the 2nd a S pipe 232 and the coaxial tie point of second pipe arrangement 22, because the A point is fixing, so the adjustable scope that C is ordered is the center of circle with the B point exactly, BC is that numerous circles of radius center in the scope of the formed envelope circle of A point, it is by the decision of the length of AB and BC, does not have the blind area for making adjustment region, should make AB=BC.
As shown in Figure 4, each link between first pipe arrangement 21 and second pipe arrangement 22 all links to each other by flexible joint 4 in the present embodiment.Flexible joint 4 comprises annular cover 41, is provided with in the annular cover 41 between rotating first flange 42 and second flange, 43, the first flanges 42, second flange 43 and is provided with sealing mechanism.Annular cover 41 comprises first end ring 411 that links to each other successively, the main ring body 412 and second end ring 413, the inboard of joint is provided with the first outer ring semi-circular track 4121 between first end ring 411 and the main ring body 412, the inboard of joint is provided with the second outer ring semi-circular track 4122 between the main ring body 412 and second end ring 413, the outer wall of first flange 42 is provided with and the first outer ring semi-circular track, 4121 corresponding first interior annular semi-circular track 420, the outer wall of second flange 43 is provided with and the second outer ring semi-circular track, 4122 corresponding second interior annular semi-circular track 430, be provided with between the annular semi-circular track 420 in ball 45, the second outer ring semi-circular track 4122 and second of arranging ringwise in the first outer ring semi-circular track 4121 and first and be provided with the ball of arranging ringwise 45 between the annular semi-circular track 430.
In the present embodiment, sealing mechanism between first flange 42, second flange 43 comprises the rotating ring that can slide vertically 421 of being located at first flange, 42 ends, is located at the stationary ring 431 on second flange 43, be provided with the elastic element 422 that rotating ring 421 can be conflicted on stationary ring 431 between the rotating ring 421 and first flange 42, be provided with seal ring 44 between the rotating ring 421 and first flange 42, be provided with seal ring 44 between the stationary ring 431 and second flange 43.Rotating ring 421 is provided with first stop pin 4211, and rotating ring 421 is positioned in first flange 42 by first stop pin 4211, and stationary ring 431 is provided with second stop pin 4311, and stationary ring 431 is positioned in second flange 43 by second stop pin 4311.
The working principle of the centrifugal pump enclosed testing apparatus with piping system of present embodiment is as follows: when tested centrifugal pump 6 is tested, draw water from cavitation erosion tube 3 in the mouth of a river 61 that pumps into of tested centrifugal pump 6, the water that pumps the mouth of a river 62 outputs of tested centrifugal pump 6 flows into cavitation erosion tube 3 through outlet pipe 2212, second pipe arrangement 22, S pipe 23, first pipe arrangement 21 successively.Can regulate electric valve 211, and the pressure that records of the output flow by the shown tested centrifugal pump 6 of electromagnetic flowmeter 210 and corresponding pressure-measuring pipe 2213 at output tube 2212 places, generally measure the data that peak rate of flow is no less than 10 points, finally obtain the dependence test parameter of tested centrifugal pump 6 from the minimum discharge pointwise.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. piping system, it comprises first pipe arrangement (21) and second pipe arrangement (22) that is rigidity, it is characterized in that: link to each other by rotating S pipe (23) between described first pipe arrangement (21) and second pipe arrangement (22).
2. piping system according to claim 1, it is characterized in that: described S pipe (23) manages (231) by an interconnective S and the 2nd S pipe (232) is formed, described S pipe (231) links to each other with described first pipe arrangement (21), and described the 2nd S pipe (232) links to each other with described second pipe arrangement (22).
3. piping system according to claim 2, it is characterized in that: described S pipe (231) and the 2nd S pipe (232) comprise a S pipe flange (2301) and the 2nd S pipe flange (2302) that two axis parallel, and link to each other with second arc pipe (2304) by first arc pipe (2303) successively between a described S pipe flange (2301) and the 2nd S pipe flange (2302).
4. piping system according to claim 3 is characterized in that: described second pipe arrangement (22) is supported on the hydraulic elevating system (5).
5. centrifugal pump enclosed testing apparatus with piping system, it comprises centrifugal pump supporting station (1), interconnective cavitation erosion tube (3) and piping system, and it is characterized in that: described piping system is the piping system of any described centrifugal pump enclosed testing apparatus of claim 1～4.
6. the centrifugal pump enclosed testing apparatus with piping system according to claim 5 is characterized in that: described centrifugal pump supporting station (1) is the movable supporting station of liftable hydraulic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205591999U CN201866441U (en) | 2010-10-13 | 2010-10-13 | Piping system and centrifugal pump closed-type test device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205591999U CN201866441U (en) | 2010-10-13 | 2010-10-13 | Piping system and centrifugal pump closed-type test device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866441U true CN201866441U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205591999U Expired - Fee Related CN201866441U (en) | 2010-10-13 | 2010-10-13 | Piping system and centrifugal pump closed-type test device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866441U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425540A (en) * | 2011-11-14 | 2012-04-25 | 中国农业大学 | Cavitation pot |
| CN103114984A (en) * | 2011-11-16 | 2013-05-22 | 北京航天动力研究所 | Control system and control method for opening and closing type pump test |
| CN108266366A (en) * | 2018-01-12 | 2018-07-10 | 上海电气凯士比核电泵阀有限公司 | A kind of main pump performance testing device and main pump are performance test bed |
| CN110036229A (en) * | 2016-11-18 | 2019-07-19 | 日本维克托利克株式会社 | Pipe expansion joint with bend pipe |
| CN111344513A (en) * | 2017-11-16 | 2020-06-26 | 株式会社神户制钢所 | Piping member and fluid transfer device |
-
2010
- 2010-10-13 CN CN2010205591999U patent/CN201866441U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425540A (en) * | 2011-11-14 | 2012-04-25 | 中国农业大学 | Cavitation pot |
| CN102425540B (en) * | 2011-11-14 | 2014-07-16 | 中国农业大学 | Cavitation pot |
| CN103114984A (en) * | 2011-11-16 | 2013-05-22 | 北京航天动力研究所 | Control system and control method for opening and closing type pump test |
| CN103114984B (en) * | 2011-11-16 | 2015-04-29 | 北京航天动力研究所 | Control system and control method for opening and closing type pump test |
| CN110036229A (en) * | 2016-11-18 | 2019-07-19 | 日本维克托利克株式会社 | Pipe expansion joint with bend pipe |
| CN111344513A (en) * | 2017-11-16 | 2020-06-26 | 株式会社神户制钢所 | Piping member and fluid transfer device |
| CN111344513B (en) * | 2017-11-16 | 2022-03-15 | 神钢压缩机株式会社 | Piping member and fluid transfer device |
| CN108266366A (en) * | 2018-01-12 | 2018-07-10 | 上海电气凯士比核电泵阀有限公司 | A kind of main pump performance testing device and main pump are performance test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20171013 |