CN205103032U - Flow nipple and have pressure measurement structure of engine of this flow nipple - Google Patents
Flow nipple and have pressure measurement structure of engine of this flow nipple Download PDFInfo
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- CN205103032U CN205103032U CN201520714829.8U CN201520714829U CN205103032U CN 205103032 U CN205103032 U CN 205103032U CN 201520714829 U CN201520714829 U CN 201520714829U CN 205103032 U CN205103032 U CN 205103032U
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- oil circuit
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- lubricating oil
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Abstract
The utility model provides a flow nipple and have pressure measurement structure of engine of this flow nipple, this flow nipple include the flow nipple body, and processing has the throttling groove on the periphery wall of this end of body of flow nipple, and the throttling groove is the heliciform extension along the axis direction of flow nipple body. The utility model also discloses a pressure measurement structure of the engine, including quick -witted casket, be equipped with in the quick -witted casket with the high -pressure lubricating oil oil circuit of oiling system intercommunication and with the pressure test oil circuit of high -pressure lubricating oil oil circuit intercommunication, be equipped with the pressure detection part on the machine casket, pressure detection part and pressure test oil circuit intercommunication, the machine still is equipped with the flow nipple on the casket, in the throttle portion of flow nipple imbeds the pressure test oil circuit from the intercommunication of pressure test oil circuit and high -pressure lubricating oil oil circuit. Owing to flow along spiral helicine throttling groove when the lubricating oil flows through the flow nipple to export axial velocity during lubricating oil outflow flow nipple is low, has eliminated behind the flow nipple fluid to the influence of pressure test oil circuit, thereby has improved engine torque hydraulic pressure measuring accuracy.
Description
Technical field
The utility model relates to aeromotor field, especially, relates to a kind of flow nipple.In addition, the utility model also relates to a kind of pressure measurement structure comprising the engine of above-mentioned flow nipple.
Background technology
At present, throttle structure common in fluid circuit is aperture current limliting, as in the torque measurement of engine, high pressure lubricating oil oil circuit and the torque measurement oil circuit of connection is provided with in casing, for ensureing the accuracy of torque measurement, in torque measurement oil circuit, metering hole is set with the connectivity part of high pressure lubricating oil oil circuit, make modulated pressure (pressure of torque measurement oil circuit) not by the impact of high pressure lubricating oil oil circuit pressure, measure modulated pressure by the sensor be communicated with torque measurement oil circuit, the torque value of engine can be obtained.
Fluid can produce jet when flowing through aperture, this jet will affect the pressure after aperture, exist during engine real work again and swing, also the jet after aperture can be made unstable, and then make the pressure surge after aperture more obvious, thus it is comparatively large to cause the engine torque indicated to swing, and affects the accuracy of torque measurement.
Utility model content
The utility model provides a kind of flow nipple and has the pressure measurement structure of engine of this flow nipple, and what exist during to solve and to adopt existing flow nipple pressure measurement makes engine torque swing to increase, cause the inaccurate technical matters of torque measurement result.
The technical solution adopted in the utility model is as follows:
A kind of flow nipple, comprise the flow nipple body of column, the periphery wall of flow nipple body end is processed with the throttling channel for guiding fluid to flow, throttling channel extends in the shape of a spiral along the axis direction of flow nipple body.
Further, flow nipple body comprises the head, interlude and the restriction that are connected successively; The periphery wall of interlude is processed with external thread; The periphery wall of restriction is processed with throttling channel.
Further, interlude comprises the installation portion be connected with head and the smooth bar portion be connected with installation portion; The periphery wall of installation portion is processed with external thread.
According to another aspect of the present utility model, additionally provide a kind of pressure measurement structure of engine, comprise casing, in casing, be provided with the high pressure lubricating oil oil circuit be communicated with oil system and the pressure test oil circuit be communicated with high pressure lubricating oil oil circuit; Casing is provided with the pressure detecting part of the pressure for detected pressures test oil circuit, and pressure detecting part is communicated with pressure test oil circuit; Casing is also provided with flow nipple described above, and the restriction of flow nipple is tested in oil circuit, to be imported in pressure test oil circuit by the lubricating oil in high pressure lubricating oil oil circuit from the connectivity part embedment pressure of pressure test oil circuit and high pressure lubricating oil oil circuit.
Further, casing is processed with the installation passage be communicated with high pressure lubricating oil oil circuit, install in passage and be provided with oil pipe, the end of oil pipe is connected with jointing, and jointing is clamped in be installed in passage; Passage in oil pipe and the passage in jointing form pressure test oil circuit; Flow nipple is installed on casing, and restriction embeds in jointing through after high pressure lubricating oil oil circuit.
Further, passage and high pressure lubricating oil oil circuit vertical connection are installed; Casing is provided with the screw channel coordinated with the installation portion on flow nipple, and screw channel is arranged symmetrically with about high pressure lubricating oil oil circuit with installation passage; Embed in jointing after the restriction of flow nipple passes perpendicularly through screw channel and high pressure lubricating oil oil circuit.
Further, the periphery wall of jointing is arranged with at least one O-ring seal, O-ring seal is clamped in jointing and installs between passage.
Further, the periphery wall of jointing is processed with ringwise oil guide groove, the channel connection in oil guide groove and jointing; Casing is provided with interface channel, and the two ends of interface channel are communicated with pressure detecting part with oil guide groove respectively.
Further, pressure detecting part comprises and being arranged on casing and the coupling bolt of hollow, and interface channel is communicated with coupling bolt; Coupling bolt is set with the steering knuckle be communicated with it, steering knuckle is connected with the pressure test part of the pressure for test pressure test oil circuit.
Further, coupling bolt is the rod-like structure that one end is closed, one end is communicated with, and its blind end embeds to carry out shutoff to high pressure lubricating oil oil circuit in high pressure lubricating oil oil circuit from the exit of high pressure lubricating oil oil circuit, and its openend is connected with the plug it being carried out to shutoff.
The utility model has following beneficial effect:
1, flow nipple structure of the present utility model simple, be easy to processing and manufacturing; When adopting flow nipple convection cell of the present utility model to carry out throttling, fluid flows along throttling channel under the guiding function of throttling channel, owing to being move along spiral helicine throttling channel when fluid flows through flow nipple, so outlet axial velocity during fluid outflow flow nipple is low, jet impact is little;
2, in pressure measurement structure of the present utility model, owing to arranging flow nipple of the present utility model with the connectivity part of high pressure lubricating oil oil circuit in pressure test oil circuit, lubricating oil in high pressure lubricating oil oil circuit is under the guide functions of flow nipple, enter in pressure test oil circuit along the spiral helicine throttling channel on flow nipple, owing to flowing along spiral helicine throttling channel when lubricating oil flows through flow nipple, thus lubricating oil flow out flow nipple time outlet axial velocity low, after eliminating flow nipple, fluid jet is on the impact of pressure test oil circuit, thus improves the accuracy of engine torque hydraulic measurement.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the flow nipple of the utility model preferred embodiment; And
Fig. 2 is the structural representation of the pressure measurement structure of the engine of the utility model preferred embodiment.
Marginal data
1, flow nipple; 11, head; 12, restriction; 13, installation portion; 14, bar portion; 100, throttling channel; 2, casing; 21, high pressure lubricating oil oil circuit; 23, interface channel; 200, pressure test oil circuit; 3, oil pipe; 4, jointing; 41, oil guide groove; 5, O-ring seal; 6, coupling bolt; 7, steering knuckle; 8, pressure test part; 9, plug.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, preferred embodiment of the present utility model provides a kind of flow nipple, comprise the flow nipple body of column, the periphery wall of flow nipple body end is processed with the throttling channel 100 for guiding fluid to flow, throttling channel 100 extends in the shape of a spiral along the axis direction of flow nipple body.Flow nipple structure of the present utility model is simple, be easy to processing and manufacturing; When adopting flow nipple convection cell of the present utility model to carry out throttling, fluid flows along throttling channel 100 under the guiding function of throttling channel 100, owing to being move along spiral helicine throttling channel 100 when fluid flows through flow nipple, so outlet axial velocity during fluid outflow flow nipple is low, jet impact is little.
Particularly, as shown in Figure 1, flow nipple body comprises head 11, interlude and the restriction 12 be connected successively; The periphery wall of interlude is processed with external thread; The periphery wall of restriction 12 is processed with throttling channel 100, head 11, interlude and restriction 12 three's coaxial cable connect.
Preferably, in the utility model specific embodiment, as shown in Figure 1, interlude comprises the installation portion 13 be connected with head 11 and the smooth bar portion 14 be connected with installation portion 13; The periphery wall of installation portion 13 is processed with external thread, for being threaded with exterior part.
As shown in Figure 2, preferred embodiment of the present utility model additionally provides a kind of pressure measurement structure of engine, this pressure measurement structure comprises casing 2, is provided with the high pressure lubricating oil oil circuit 21 be communicated with oil system and the pressure test oil circuit 200 be communicated with high pressure lubricating oil oil circuit 21 in casing 2; Casing 2 is provided with the pressure detecting part of the pressure for detected pressures test oil circuit 200, and pressure detecting part is communicated with pressure test oil circuit 200; Casing 2 is also provided with flow nipple 1 described above, the restriction 12 of flow nipple 1 is tested in oil circuit 200, to be imported in pressure test oil circuit 200 by the lubricating oil in high pressure lubricating oil oil circuit 21 from pressure test oil circuit 200 and the connectivity part embedment pressure of high pressure lubricating oil oil circuit 21.During work, the lubricating oil from oil system is filled with in high pressure lubricating oil oil circuit 21, lubricating oil in high pressure lubricating oil oil circuit 21 is under the effect of flow nipple 1, flow in pressure test oil circuit 200 along the throttling channel 100 on flow nipple 1, because pressure detecting part is communicated with pressure test oil circuit 200, can pressure in detected pressures test oil circuit 200 by pressure detecting part, thus indirectly obtain the torque value of engine.In pressure measurement structure of the present utility model, owing to arranging flow nipple 1 of the present utility model with the connectivity part of high pressure lubricating oil oil circuit 21 in pressure test oil circuit 200, lubricating oil in high pressure lubricating oil oil circuit 21 is under the guide functions of flow nipple 1, enter in pressure test oil circuit 200 along the spiral helicine throttling channel 100 on flow nipple 1, owing to flowing along spiral helicine throttling channel 100 when lubricating oil flows through flow nipple 1, thus lubricating oil flow out flow nipple 1 time outlet axial velocity low, after eliminating flow nipple, fluid jet is on the impact of pressure test oil circuit 200, thus improve the accuracy of engine torque hydraulic measurement.
Further, as shown in Figure 2, casing 2 is processed with the installation passage be communicated with high pressure lubricating oil oil circuit 21, install in passage and be provided with oil pipe 3, the end of oil pipe 3 is connected with jointing 4, and jointing 4 is clamped in be installed in passage, and one end of jointing 4 is stretched in high pressure lubricating oil oil circuit 21; Have the passage that two ends are communicated with in jointing 4, and this passage is communicated with oil pipe 3, the passage formation pressure test oil circuit 200 in the passage in oil pipe 3 and jointing 4; Flow nipple 1 is installed on casing 2, and restriction 12 embeds in jointing 4 through after high pressure lubricating oil oil circuit 21.
In the utility model specific embodiment, as shown in Figure 2, passage and high pressure lubricating oil oil circuit 21 vertical connection are installed; Casing 2 is provided with the screw channel coordinated with the installation portion 13 on flow nipple 1, and screw channel is arranged symmetrically with about high pressure lubricating oil oil circuit 21 with installation passage; The restriction 12 of flow nipple 1 passes perpendicularly through in screw channel and high pressure lubricating oil oil circuit 21 rear embedding jointing 4.
Preferably, as shown in Figure 2, for preventing lubricating oil in high pressure lubricating oil oil circuit 21 by jointing 4 and the outside seepage in gap of installing between passage, therefore on the periphery wall of jointing 4 at least one O-ring seal 5 sheathed, when the quantity of O-ring seal 5 is multiple, multiple O-ring seal 5 is arranged along the axis direction of jointing 4, and each O-ring seal 5 is all clamped in jointing 4 and installs between passage.
In the utility model, as shown in Figure 2, the periphery wall of jointing 4 is processed with ringwise oil guide groove 41, oil guide groove 41 and the channel connection in jointing 4; Casing 2 is provided with interface channel 23, and the two ends of interface channel 23 are communicated with pressure detecting part with oil guide groove 41 respectively, and first the part lubricating oil in jointing 4 enters in oil guide groove 41, and then enters in interface channel 23, finally enters in pressure detecting part.
Particularly, in the utility model, as shown in Figure 2, pressure detecting part comprises and being arranged on casing 2 and the coupling bolt 6 of hollow, and interface channel 23 is communicated with coupling bolt 6; Coupling bolt 6 is set with the steering knuckle 7 be communicated with it, steering knuckle 7 is connected with the pressure test part 8 of the pressure for test pressure test oil circuit 200, in the utility model, pressure test part 8 is pressure transducer.
In the utility model specific embodiment, coupling bolt 6 is in rod-like structure, its one end is closed, the other end is communicated with, the blind end of coupling bolt 6 embeds to carry out shutoff to high pressure lubricating oil oil circuit 21 in high pressure lubricating oil oil circuit 21 from the endpiece of high pressure lubricating oil oil circuit 21, and the openend of coupling bolt 6 is connected with the plug 9 it being carried out to shutoff.
Further, the blind end of coupling bolt 6 is set with an O-ring seal, sealing circle is clamped between coupling bolt 6 and high pressure lubricating oil oil circuit 21, skids off outside casing 2 in order to prevent the lubricating oil in high pressure lubricating oil oil circuit 21.The periphery wall of coupling bolt 6 is provided with stopping step, the end of steering knuckle 7 through after coupling bolt 6 and stopping step support.Preferably, be all respectively provided with an O-ring seal between plug 9 and steering knuckle 7, between steering knuckle 7 and stopping step, these two O-ring seals are all set on coupling bolt 6.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a flow nipple, is characterized in that,
Comprise the flow nipple body of column, the periphery wall of described flow nipple body end is processed with the throttling channel (100) for guiding fluid to flow, described throttling channel (100) extends in the shape of a spiral along the axis direction of described flow nipple body.
2. flow nipple according to claim 1, is characterized in that,
Described flow nipple body comprises the head (11), interlude and the restriction (12) that are connected successively;
The periphery wall of described interlude is processed with external thread;
The periphery wall of described restriction (12) is processed with described throttling channel (100).
3. flow nipple according to claim 2, is characterized in that,
Described interlude comprises the installation portion (13) be connected with described head (11) and the smooth bar portion (14) be connected with described installation portion (13);
The periphery wall of described installation portion (13) is processed with described external thread.
4. a pressure measurement structure for engine, is characterized in that,
Comprise casing (2), in described casing (2), be provided with the high pressure lubricating oil oil circuit (21) be communicated with oil system and the pressure test oil circuit (200) be communicated with described high pressure lubricating oil oil circuit (21);
Described casing (2) is provided with the pressure detecting part of the pressure for detecting described pressure test oil circuit (200), and described pressure detecting part is communicated with described pressure test oil circuit (200);
Described casing (2) is also provided with flow nipple as claimed any one in claims 1 to 3 (1), the restriction (12) of described flow nipple (1) embeds in described pressure test oil circuit (200), to be imported in described pressure test oil circuit (200) by the lubricating oil in described high pressure lubricating oil oil circuit (21) from described pressure test oil circuit (200) and the connectivity part of described high pressure lubricating oil oil circuit (21).
5. the pressure measurement structure of engine according to claim 4, is characterized in that,
Described casing (2) is processed with the installation passage be communicated with described high pressure lubricating oil oil circuit (21), oil pipe (3) is provided with in described installation passage, the end of described oil pipe (3) is connected with jointing (4), and described jointing (4) is clamped in described installation passage;
Passage in passage in described oil pipe (3) and described jointing (4) forms described pressure test oil circuit (200);
Described flow nipple (1) is installed on described casing (2), and described restriction (12) embeds in described jointing (4) afterwards through described high pressure lubricating oil oil circuit (21).
6. the pressure measurement structure of engine according to claim 5, is characterized in that,
Described installation passage and described high pressure lubricating oil oil circuit (21) vertical connection;
Described casing (2) is provided with the screw channel coordinated with the installation portion (13) on described flow nipple (1), and described screw channel and described installation passage are arranged symmetrically with about described high pressure lubricating oil oil circuit (21);
The described restriction (12) of described flow nipple (1) passes perpendicularly through described screw channel and described high pressure lubricating oil oil circuit (21) embeds in described jointing (4) afterwards.
7. the pressure measurement structure of engine according to claim 5, is characterized in that,
The periphery wall of described jointing (4) is arranged with at least one O-ring seal (5), described O-ring seal (5) is clamped between described jointing (4) and described installation passage.
8. the pressure measurement structure of engine according to claim 5, is characterized in that,
The periphery wall of described jointing (4) is processed with ringwise oil guide groove (41), described oil guide groove (41) and the channel connection in described jointing (4);
Described casing (2) is provided with interface channel (23), and the two ends of described interface channel (23) are communicated with described pressure detecting part with described oil guide groove (41) respectively.
9. the pressure measurement structure of engine according to claim 8, is characterized in that,
Described pressure detecting part comprises and is arranged at the upper and coupling bolt of hollow (6) of described casing (2), and described interface channel (23) is communicated with described coupling bolt (6);
Described coupling bolt (6) being set with the steering knuckle (7) be communicated with it, described steering knuckle (7) being connected with the pressure test part (8) of the pressure for testing described pressure test oil circuit (200).
10. the pressure measurement structure of engine according to claim 9, is characterized in that,
The rod-like structure that described coupling bolt (6) is closed in one end, one end is communicated with, its blind end embeds from the exit of described high pressure lubricating oil oil circuit (21) to carry out shutoff to described high pressure lubricating oil oil circuit (21) in described high pressure lubricating oil oil circuit (21), and its openend is connected with the plug (9) it being carried out to shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714829.8U CN205103032U (en) | 2015-09-16 | 2015-09-16 | Flow nipple and have pressure measurement structure of engine of this flow nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714829.8U CN205103032U (en) | 2015-09-16 | 2015-09-16 | Flow nipple and have pressure measurement structure of engine of this flow nipple |
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| Publication Number | Publication Date |
|---|---|
| CN205103032U true CN205103032U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520714829.8U Active CN205103032U (en) | 2015-09-16 | 2015-09-16 | Flow nipple and have pressure measurement structure of engine of this flow nipple |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163902A (en) * | 2018-09-18 | 2019-01-08 | 株洲格斯特动力机械有限责任公司 | Electric-controlled hydraulic torque measuring mechanism for star-like retarder |
| CN116221533A (en) * | 2023-05-09 | 2023-06-06 | 中国航发沈阳发动机研究所 | High-reliability sealing structure of engine pressing joint |
-
2015
- 2015-09-16 CN CN201520714829.8U patent/CN205103032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163902A (en) * | 2018-09-18 | 2019-01-08 | 株洲格斯特动力机械有限责任公司 | Electric-controlled hydraulic torque measuring mechanism for star-like retarder |
| CN116221533A (en) * | 2023-05-09 | 2023-06-06 | 中国航发沈阳发动机研究所 | High-reliability sealing structure of engine pressing joint |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |