CN204128757U - A kind of proving installation of sliding-contact packing sealing property - Google Patents
A kind of proving installation of sliding-contact packing sealing property Download PDFInfo
- Publication number
- CN204128757U CN204128757U CN201420388788.3U CN201420388788U CN204128757U CN 204128757 U CN204128757 U CN 204128757U CN 201420388788 U CN201420388788 U CN 201420388788U CN 204128757 U CN204128757 U CN 204128757U
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- urceolus
- tray
- tension
- ring
- seal
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Abstract
The utility model discloses a kind of proving installation of sliding-contact packing sealing property, comprise test-bed, urceolus, the O-ring seal installing ring of installation O-ring seal, sealing main shaft, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and pick-up unit, described urceolus is installed on described test-bed by support, and described pick-up unit is connected with the hole be arranged on described urceolus respectively with described servicing unit; Described O-ring seal installing ring is arranged in described urceolus, the two ends of described urceolus by end cap by described O-ring seal installing ring press seal; Described sealing main shaft to be arranged in described urceolus and to be connected with described tension-compression sensor by shaft coupling; Described tension-compression sensor is connected with described tray, and described tray is connected with described straight reciprocating motion apparatus; Described straight reciprocating motion apparatus, tension-compression sensor and servicing unit are all electrically connected with data acquisition control device.
Description
Technical field
The utility model relates to a kind of proving installation of sliding-contact packing sealing property, belongs to fluid seals technology research field.
Background technology
Sealing Technology has become and has ensured long-term, the requisite important technology of safety and stability of modern industry.In general, sealing can be divided into the static seal between geo-stationary composition surface and the large class of the motive seal two between relative motion composition surface.Reciprocating shaft seal is typical motive seal, is widely used in internal combustion engine, hydraulic pressure or pneumatic linear actuator; The reciprocating pump that oil refining and landification equipment use in a large number and compressor all use various piston seal and piston rod packing.The leakage of sliding-contact packing sealing medium not only can cause huge economic loss, but also environmental pollution can be caused, efficiency declines and the serious consequence such as personal injury, therefore its sealing property plays vital effect to the normal operation of equipment and the aspect such as cost-saving.
At present, engineering often has hysteresis quality for the detection of sliding-contact packing sealing property, lacking can effectively to the test detecting equipment of seal and sealing system, and existing testing equipment specific aim is not strong yet.
Summary of the invention
In order to overcome the detection existed in the checkout equipment of existing sliding-contact packing sealing property, there is the shortcomings such as hysteresis quality, specific aim are not strong, the utility model provides a kind of can conveniently be tested the sealing property of the various typical sliding-contact packing such as hydraulic seal and pneumostop under different medium and pressure medium, it is close with the actual working state of shaft seal to simulate, measuring accuracy is high, test findings accurately and reliably, favorable repeatability and the proving installation of the high sliding-contact packing sealing property of automaticity.
The technical solution adopted in the utility model is:
A kind of proving installation of sliding-contact packing sealing property, it is characterized in that: comprise test-bed, urceolus, the O-ring seal installing ring of installation O-ring seal, sealing main shaft, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and pick-up unit, described urceolus is installed on described test-bed by support, and described pick-up unit is connected with the hole be arranged on described urceolus respectively with described servicing unit; Described O-ring seal installing ring is arranged in described urceolus, the two ends of described urceolus by end cap by described O-ring seal installing ring press seal; Described sealing main shaft to be arranged in described urceolus and to be connected with described tension-compression sensor by shaft coupling; Described tension-compression sensor is connected with described tray, and described tray is connected with described straight reciprocating motion apparatus; Described straight reciprocating motion apparatus, tension-compression sensor and servicing unit are all electrically connected with data acquisition control device.
Further, described urceolus has the drainage trough of ring-type near the position of O-ring seal installing ring; Have the first perforate that the convenient liquid medium leaked flows out in the left and right sides, bottom of urceolus, offer the second perforate of the servicing unit described in connection in the relative position up and down of urceolus respectively.Like this, the medium leaked out can flow in drainage trough smoothly, and is pooled to the first perforate bottom urceolus, derives, ensure that the medium of leakage can all successfully be collected in leakage detection apparatus, ensure that the accuracy of measurement by the groove on end cap.
Further, when testing for hydraulic seal, described servicing unit comprises liquid conduits, ebullator, fluid reservoir and compressor, one end of described liquid conduits is communicated with the second perforate on urceolus, the other end is connected with ebullator, ebullator is connected with the bottom of fluid reservoir, and the top of fluid reservoir is connected with compressor, and the second perforate on the urceolus that the top of fluid reservoir is relative with liquid conduits setting position is communicated with; Described pick-up unit comprises catheter and leakage fluid measuring cup, and described leakage fluid measuring cup is stretched in described catheter one end, and the other end is communicated with the first perforate on urceolus.
Further, when testing for pneumostop, described pick-up unit comprises suction gun, wireway and helium mass spectrometer leak detector, the helium mass spectrometer leak detector described in the connection of one end of described wireway, and the other end is communicated with the first perforate on urceolus; Described servicing unit comprises gas conduit, pressure governor and helium tank, described suction gun is arranged on the openend of described helium tank, one end of described gas conduit is communicated with the second perforate on urceolus, pressure governor described in the other end connects, the suction gun described in described pressure governor connects; The second perforate on the urceolus relative with the other end setting position of gas conduit adopts nut seal.
Further, described straight reciprocating motion apparatus comprises electric rotating machine and toggle, described electric rotating machine is fixed on described test-bed, the turning axle of described electric rotating machine is connected with one end of described toggle, the tray described in other end connection of described toggle.
Further, described end cap is bolted on urceolus by first, and the top of described end cap is arranged at intervals with and ensures that the medium leaked can collect the groove in leakage detection apparatus smoothly.
Further, described O-ring seal installing ring offers the groove installing O-ring seal, and between described O-ring seal installing ring and urceolus, install the O shape rubber seal being equipped with and preventing dielectric leakage.The installation of O shape rubber seal can prevent medium from leaking from this, the accuracy of warranty test result.On O-ring seal installing ring, the form of groove is variable, can install multi-form reciprocal shaft seal.Like this, the test of sealing property can be carried out to the various typical back and forth shaft seal of hydraulic seal and pneumostop.
Further, described tray is by tray support installing on described test-bed, and described tray support is provided with slide rail, and described tray can move along described slide rail; Described tray is connected with tension-compression sensor by the second bolt.
Further, the two ends of described shaft coupling are threaded with described sealing main shaft and tension-compression sensor respectively, and described shaft coupling and sealing main shaft and tension-compression sensor between be provided with set nut.Like this, can ensure to be connected firmly between parts, guarantee the accuracy of drive system, sealing main shaft is moved back and forth by predetermined displacement amplitude.
Adopt the method that above-mentioned proving installation is tested sliding-contact packing sealing property, described method comprises the steps:
A, be arranged on out on fluted O-ring seal installing ring by O-ring seal, O-ring seal installing ring to be contained in urceolus and to be compressed by the end cap at urceolus two ends; Install sealing main shaft and will seal main shaft by shaft coupling in urceolus and be connected with tension-compression sensor, tension-compression sensor is connected with tray; Tray moves along the slide rail on tray support, and power is provided by horizontal reciprocating movement device;
B, data acquisition control device control servicing unit and reciprocating horizontal motion device, make to be full of between two shaft seals be with the test(ing) medium of pressure and make sealing main shaft complete the linear reciprocating motion of setting;
The frictional force data of c, tension-compression sensor Real-time Collection shaft seal also reaches data acquisition control device; Leakage detection apparatus detects the leakage rate of test(ing) medium in sliding-contact packing operational process, to obtain the sealing property of sliding-contact packing.
Using method of the present utility model and the course of work as follows:
Be arranged on out by O-ring seal on fluted O-ring seal installing ring, O-ring seal installing ring loads in urceolus; Then, install sealing main shaft, O-ring seal installing ring compresses by two ends end cap; Connect shaft coupling, tension-compression sensor and tray successively on the right side of sealing main shaft, tray is connected with horizontal reciprocating movement device; Then, servicing unit and leakage detection apparatus are installed to corresponding position; Tension-compression sensor, servicing unit and reciprocating horizontal motion device are all electrically connected with data acquisition control device; Afterwards, data acquisition control device level of control reciprocator and servicing unit, make the sealing medium being full of band preset pressure between shaft seal, and sealing main shaft moves back and forth according to the main shaft of setting; In process of the test, tension-compression sensor can synchronous acquisition shaft seal friction force and output to data acquisition control device, the leakage rate of leakage detection apparatus detection experiment process medium.
Servicing unit can realize the test of the sealing property of hydraulic seal and pneumostop; The change of channel away can be tested various typical sliding-contact packing; Leakage detection apparatus has different devices for hydraulic seal and pneumostop, the leakage rate of energy Measurement accuracy medium; Test findings accurately and reliably, favorable repeatability.
Compared with prior art, the beneficial effects of the utility model are:
One, the channel away in the utility model is variable, can test the various typical shaft seal of hydraulic seal and pneumostop; Test(ing) medium pressure and kind adjustable, thus the sealing property of shaft seal in different running environment can be simulated more accurately.
Two, during test, controlled the reciprocating movement displacement of seal shaft by data acquisition control device, read the related datas such as friction force, and dielectric leakage amount is detected; Simple to operation, automaticity is high, and the personal error of test is little, and result accurately, reliably.
Three, for hydraulic seal and pneumostop, multi-form leakage amount measuring device for electricity and measuring method is adopted, thus can the leakage rate of the various medium of Measurement accuracy targetedly.
Four, the utility model can be tested for the sealing property of multi-form shaft seal, and can control the reciprocating movement displacement sealing main shaft easily, the axial force in Measurement accuracy shaft seal operational process; Servicing unit can control pressure and the type of sealing medium, and leakage detection apparatus accurately can detect the leakage rate in shaft seal operational process; Experiment automatized degree is high, result accurately and reliably, favorable repeatability.
Accompanying drawing explanation
Fig. 1 a is the main TV structure schematic diagram of hydraulic seal test unit of the utility model embodiment 1.
Fig. 1 b is I place enlarged drawing in Fig. 1 a.
Fig. 1 c is II place's enlarged drawing in Fig. 1 a.
Fig. 2 is the main TV structure schematic diagram of pneumostop test unit of the utility model embodiment 2.
Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d are the structural representations of hydraulic seal typical combination sealing.
Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d are the structural representations of typical elastic body pneumatic piston sealing.
Fig. 5 a is the structural representation of the end cap of the utility model embodiment.
Fig. 5 b is the side view of Fig. 5 a.
Fig. 6 is that tray of the present utility model coordinates schematic diagram with slide rail.
Embodiment
Embodiment 1
With reference to Fig. 1 a, 1b, 1c, Fig. 3 a ~ Fig. 3 d, Fig. 5 a to Fig. 6, a kind of proving installation of sliding-contact packing sealing property, comprise test-bed 1, urceolus 8, the O-ring seal installing ring 5 installing O-ring seal 9, sealing main shaft 7, tension-compression sensor 14, tray 15, straight reciprocating motion apparatus 21, servicing unit and pick-up unit, described urceolus 8 is installed on described test-bed 1 by support 2,6, and described pick-up unit and described servicing unit are connected with the hole be arranged on described urceolus 8 respectively; Described O-ring seal installing ring 5 is arranged in described urceolus 8, and end cap 4 is passed through by described O-ring seal installing ring 5 press seal in the two ends of described urceolus 8; Described sealing main shaft 7 to be arranged in described urceolus 8 and to be connected with described tension-compression sensor 14 by shaft coupling 12; Described tension-compression sensor 14 is connected with described tray 15, and described tray 15 is connected with described straight reciprocating motion apparatus 21; Described straight reciprocating motion apparatus 21, tension-compression sensor 14 and servicing unit are all electrically connected with data acquisition control device.
Further, described urceolus 8 has the drainage trough 8A of ring-type near the position of O-ring seal installing ring 5; Have the first perforate that the convenient liquid medium leaked flows out in the left and right sides, bottom of urceolus 8, offer the second perforate of the servicing unit described in connection in the relative position up and down of urceolus respectively.Like this, the medium leaked out can flow in drainage trough 8A smoothly, and is pooled to the first perforate bottom urceolus, derives by groove 4A, 4B, the 4C on end cap 4, ensure that the medium of leakage can all successfully be collected in leakage detection apparatus, ensure that the accuracy of measurement.
When testing for hydraulic seal, described servicing unit comprises liquid conduits 24A, ebullator 25A, fluid reservoir 26A and compressor 27A, one end of described liquid conduits 24A is communicated with the second perforate on urceolus 8, the other end is connected with ebullator 25A, ebullator 25A is connected with the bottom of fluid reservoir 26A, the top of fluid reservoir 26A is connected with compressor 27A, and the second perforate on the urceolus that the top of fluid reservoir 26A is relative with liquid conduits setting position is communicated with; Described pick-up unit comprises catheter 23A and leakage fluid measuring cup 22A, and described leakage fluid measuring cup 22A is stretched in described catheter 23A one end, and the other end is communicated with the first perforate on urceolus 8.
Further, described straight reciprocating motion apparatus 21 comprises electric rotating machine 20 and toggle 19, described electric rotating machine 20 is fixed on described test-bed 1, the turning axle of described electric rotating machine 20 is connected with one end of described toggle 19, the tray 15 described in other end connection of described toggle.
Further, described end cap 4 is fixed on urceolus 8 by the first bolt 3, and the top of described end cap 4 is arranged at intervals with and ensures that the medium leaked can collect groove 4A, 4B, 4C in leakage detection apparatus smoothly.
Further, described O-ring seal installing ring 5 offers the groove installing O-ring seal 9, and between described O-ring seal installing ring 5 and urceolus 8, install the O shape rubber seal 10 being equipped with and preventing dielectric leakage.The installation of O shape rubber seal 10 can prevent medium from leaking from this, the accuracy of warranty test result.On O-ring seal installing ring 5, the form of groove is variable, can install multi-form reciprocal shaft seal.Like this, the test of sealing property can be carried out to the various typical back and forth shaft seal of hydraulic seal and pneumostop.
Further, described tray 15 is arranged on described test-bed 1 by tray support 17, and described tray support 17 is provided with slide rail 18, and described tray 15 can move along described slide rail 18; Described tray 15 is connected with tension-compression sensor 14 by the second bolt 16.
Further, the two ends of described shaft coupling 12 are threaded with described sealing main shaft 7 and tension-compression sensor 14 respectively, and described shaft coupling 12 and sealing main shaft 7 and tension-compression sensor 14 between be provided with set nut 11,13.Like this, can ensure to be connected firmly between parts, guarantee the accuracy of drive system, sealing main shaft is moved back and forth by predetermined displacement amplitude.
Embodiment 2
With reference to Fig. 2, Fig. 4 a ~ Fig. 4 d, Fig. 5 a to Fig. 6, the difference of the present embodiment and embodiment 1 is: the present embodiment is tested for pneumostop, described pick-up unit comprises suction gun 26B, wireway 23B and helium mass spectrometer leak detector 22B, the helium mass spectrometer leak detector 22B described in the connection of one end of described wireway 23B, the other end is communicated with the first perforate on urceolus 8; Described servicing unit comprises gas conduit 24B, pressure governor 25B and helium tank 27B, described suction gun 26B is arranged on the openend of described helium tank 27B, one end of described gas conduit 24B is communicated with the second perforate on urceolus, suction gun 26B described in pressure governor 25B described in the other end connects, described pressure governor 25B connect; The second perforate on the urceolus relative with the other end setting position of gas conduit adopts nut 28B to seal.
All the other embodiments are identical with embodiment 1.
Content described in this instructions embodiment is only enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (9)
1. the proving installation of a sliding-contact packing sealing property, it is characterized in that: comprise test-bed, urceolus, the O-ring seal installing ring of installation O-ring seal, sealing main shaft, tension-compression sensor, tray, straight reciprocating motion apparatus, servicing unit and pick-up unit, described urceolus is installed on described test-bed by support, and described pick-up unit is connected with the hole be arranged on described urceolus respectively with described servicing unit; Described O-ring seal installing ring is arranged in described urceolus, the two ends of described urceolus by end cap by described O-ring seal installing ring press seal; Described sealing main shaft to be arranged in described urceolus and to be connected with described tension-compression sensor by shaft coupling; Described tension-compression sensor is connected with described tray, and described tray is connected with described straight reciprocating motion apparatus; Described straight reciprocating motion apparatus, tension-compression sensor and servicing unit are all electrically connected with data acquisition control device.
2. proving installation as claimed in claim 1, is characterized in that: the drainage trough described urceolus having ring-type near the position of O-ring seal installing ring; Have the first perforate that the convenient liquid medium leaked flows out in the left and right sides, bottom of urceolus, offer the second perforate of the servicing unit described in connection in the relative position up and down of urceolus respectively.
3. proving installation as claimed in claim 2, it is characterized in that: when testing for hydraulic seal, described servicing unit comprises liquid conduits, ebullator, fluid reservoir and compressor, one end of described liquid conduits is communicated with the second perforate on urceolus, the other end is connected with ebullator, ebullator is connected with the bottom of fluid reservoir, and the top of fluid reservoir is connected with compressor, and the second perforate on the urceolus that the top of fluid reservoir is relative with liquid conduits setting position is communicated with; Described pick-up unit comprises catheter and leakage fluid measuring cup, and described leakage fluid measuring cup is stretched in described catheter one end, and the other end is communicated with the first perforate on urceolus.
4. proving installation as claimed in claim 2, it is characterized in that: when testing for pneumostop, described pick-up unit comprises suction gun, wireway and helium mass spectrometer leak detector, the helium mass spectrometer leak detector described in the connection of one end of described wireway, and the other end is communicated with the first perforate on urceolus; Described servicing unit comprises gas conduit, pressure governor and helium tank, described suction gun is arranged on the openend of described helium tank, one end of described gas conduit is communicated with the second perforate on urceolus, pressure governor described in the other end connects, the suction gun described in described pressure governor connects; The second perforate on the urceolus relative with the other end setting position of gas conduit adopts nut seal.
5. the proving installation as described in claim 3 or 4, it is characterized in that: described straight reciprocating motion apparatus comprises electric rotating machine and toggle, described electric rotating machine is fixed on described test-bed, the turning axle of described electric rotating machine is connected with one end of described toggle, the tray described in other end connection of described toggle.
6. proving installation as claimed in claim 5, is characterized in that: described end cap is bolted on urceolus by first, and the top of described end cap is arranged at intervals with and ensures that the medium leaked can collect the groove in leakage detection apparatus smoothly.
7. proving installation as claimed in claim 6 is put, and it is characterized in that: described O-ring seal installing ring offers the groove installing O-ring seal, and install the O shape rubber seal being equipped with and preventing dielectric leakage between described O-ring seal installing ring and urceolus.
8. proving installation as claimed in claim 7, is characterized in that: described tray is by tray support installing on described test-bed, and described tray support is provided with slide rail, and described tray can move along described slide rail; Described tray is connected with tension-compression sensor by the second bolt.
9. proving installation as claimed in claim 8, is characterized in that: the two ends of described shaft coupling are threaded with described sealing main shaft and tension-compression sensor respectively, and is provided with set nut between described shaft coupling and sealing main shaft and tension-compression sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388788.3U CN204128757U (en) | 2014-07-15 | 2014-07-15 | A kind of proving installation of sliding-contact packing sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388788.3U CN204128757U (en) | 2014-07-15 | 2014-07-15 | A kind of proving installation of sliding-contact packing sealing property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128757U true CN204128757U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388788.3U Expired - Fee Related CN204128757U (en) | 2014-07-15 | 2014-07-15 | A kind of proving installation of sliding-contact packing sealing property |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014959A (en) * | 2016-07-08 | 2016-10-12 | 广州文冲船厂有限责任公司 | Monitoring system of shaft seal of mechanical pump |
| CN108918044A (en) * | 2018-08-27 | 2018-11-30 | 格力电器（芜湖）有限公司 | Leak detection suction gun fixture and leakage detection apparatus |
| CN110441003A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of adjustable rotation axis seal leakage amount measuring device for electricity of pressure and temp and method |
| CN110441004A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of rotation axis seal leakage amount measuring device for electricity and its measurement method |
| CN113008547A (en) * | 2020-10-19 | 2021-06-22 | 大连理工大学 | Dismounting combined type reciprocating motion sealing ring performance testing device |
| CN108918044B (en) * | 2018-08-27 | 2024-04-26 | 格力电器（芜湖）有限公司 | Leak hunting suction gun anchor clamps and leak hunting device |
-
2014
- 2014-07-15 CN CN201420388788.3U patent/CN204128757U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014959A (en) * | 2016-07-08 | 2016-10-12 | 广州文冲船厂有限责任公司 | Monitoring system of shaft seal of mechanical pump |
| CN108918044A (en) * | 2018-08-27 | 2018-11-30 | 格力电器（芜湖）有限公司 | Leak detection suction gun fixture and leakage detection apparatus |
| CN108918044B (en) * | 2018-08-27 | 2024-04-26 | 格力电器（芜湖）有限公司 | Leak hunting suction gun anchor clamps and leak hunting device |
| CN110441003A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of adjustable rotation axis seal leakage amount measuring device for electricity of pressure and temp and method |
| CN110441004A (en) * | 2019-07-19 | 2019-11-12 | 北京航空航天大学 | A kind of rotation axis seal leakage amount measuring device for electricity and its measurement method |
| CN110441004B (en) * | 2019-07-19 | 2020-08-11 | 北京航空航天大学 | Rotating shaft seal leakage quantity measuring device and measuring method thereof |
| CN113008547A (en) * | 2020-10-19 | 2021-06-22 | 大连理工大学 | Dismounting combined type reciprocating motion sealing ring performance testing device |
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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: 20150128 Termination date: 20170715 |