CN205331056U - Compressor casket with static pressure measuring device - Google Patents

Compressor casket with static pressure measuring device Download PDF

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Publication number
CN205331056U
CN205331056U CN201620026497.9U CN201620026497U CN205331056U CN 205331056 U CN205331056 U CN 205331056U CN 201620026497 U CN201620026497 U CN 201620026497U CN 205331056 U CN205331056 U CN 205331056U
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China
Prior art keywords
static pressure
casing
internal layer
spigot joint
anger
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CN201620026497.9U
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Chinese (zh)
Inventor
梅顺
晁爱芳
陈路
贺飞
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Hunan Aviation Powerplant Research Institute AECC
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China Aircraft Power Machinery Institute
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Abstract

The utility model discloses a compressor casket with static pressure measuring device, including outer quick -witted casket and inlayer machine casket, form a cavity between outer quick -witted casket and the inlayer machine casket, be equipped with the static pressure spigot joint subassembly of a plurality of quantity in the cavity, the installation limit of inlayer machine casket is showed to the outward appearance of compressor casket, the one end of static pressure spigot joint subassembly and the interior wall connection of inlayer machine casket for draw forth the air current in the compressor casket, external pressure sensor is worn out from the installation limit of inlayer machine casket to the other end. Draw forth the route through the static pressure spigot joint subassembly to static pressure measuring device at the compressor casket and carry out the optimal design, simplified the dismantlement and the assembly process of compressor, prolonged the life of static pressure spigot joint subassembly simultaneously, improved compressor static pressure accuracy's stability, and through taking effective sealing to capillary and static pressure spigot joint respectively with being connected of inlayer machine casket, ensured the gas tightness of compressor casket.

Description

A kind of casing of calming the anger with static pressure measurement device
Technical field
This utility model relates to engine art, more particularly, to a kind of casing of calming the anger with static pressure measurement device。
Background technology
Compressor is as the important component part of Aero-Space electromotor, and its prescription is very strict。When compressor is developed, generally casing wall of calming the anger need to be carried out static pressure measurement。
As it is shown in figure 1, calm the anger, casing includes outer layer casing 1 and the internal layer casing 2 being connected by bolt with outer layer casing 1, forms a chamber between outer layer casing 1 and internal layer casing 2。In order to measure the static pressure of casing inwall of calming the anger, existing static pressure measurement device generally includes the spigot joint assembly 3 of static pressure arranged in the chamber。
In prior art, by beating screwed hole on internal layer casing 2, in order to connect one end of the spigot joint assembly 3 of static pressure, and the other end of the spigot joint assembly 3 of static pressure, then it is drawn out to outside compressor by fluting on outer layer casing 1, to complete static pressure measurement。In prior art, the casing of calming the anger with static pressure measurement device has the disadvantages that
(1) outer layer casing 1 needs to carry out being dismounted for multiple times, when assembling, in order to draw the spigot joint assembly 3 of static pressure, it is necessary to process lead-out groove on outer layer casing 3, also will at slotting position gluing with anti-gas-leak after completing assembling;Owing to the spigot joint assembly 3 of static pressure is connected on outer layer casing 1, when dismounting, it is necessary to glue is struck off, make the spigot joint assembly 3 of static pressure depart from outer layer casing 1, could dismantle smoothly;When again assembling after dismounting, it is necessary to cross-notching position carries out gluing again;Being dismounted for multiple times then need repeatedly removing glue, remove the spigot joint assembly 3 of static pressure, the spigot joint assembly 3 of static pressure, gluing are installed, so not only process is loaded down with trivial details, and the casing that makes to calm the anger exists the hidden danger of gas leakage;
(2) in more than 1 assembly or disassembly process of outer layer casing, it is easy to interfere with the spigot joint assembly 3 of static pressure, and the spigot joint assembly 3 of static pressure is through repeatedly bending, very easily fracture distress so that the airflow leaks in the spigot joint assembly 3 of static pressure, and then affect static pressure measurement result。
Summary of the invention
This utility model solves the technical problem that the defect being in that to overcome prior art; a kind of casing of calming the anger with static pressure measurement device is provided; the described casing processing of calming the anger with static pressure measurement device is simple; convenient disassembly; and can effectively protect the spigot joint assembly of static pressure, this utility model is achieved through the following technical solutions:
A kind of casing of calming the anger with static pressure measurement device is provided, including outer layer casing and internal layer casing, the appearance of described casing of calming the anger shows the installation limit of internal layer casing, forms a chamber, be provided with the spigot joint assembly of a number of static pressure in described chamber between described outer layer casing and internal layer casing;One end of the spigot joint assembly of described static pressure is connected with the inwall of internal layer casing, and for drawing the air-flow calming the anger in casing, the other end passes from the installation limit of internal layer casing, external pressure transducer。
In this utility model, the extraction path of the spigot joint assembly of static pressure in static pressure measurement device is optimized design so that the spigot joint assembly of static pressure is separated with outer layer casing, directly passes from the installation limit of internal layer casing;When carrying out the dismounting of outer layer casing, it is not necessary to consider the spigot joint assembly of static pressure, directly dismount, simplify the dismounting flow process of outer layer casing, improve work efficiency;Simultaneously, it is to avoid the spigot joint assembly of static pressure and the interference of outer layer casing, the service life of the spigot joint assembly of static pressure is effectively extended, it is ensured that the accuracy of casing inwall static pressure measurement of calming the anger。
In such scheme, the spigot joint assembly of described static pressure includes capillary tube and static pressure is spigot joint;Described capillary tube one end is connected on internal layer casing inwall, connects casing internal gas flow of calming the anger, and other end connection static pressure is spigot joint;The spigot joint one end of described static pressure is connected to internal layer casing and installs on limit, connects with capillary tube, the external pressure transducer of the other end。
In this utility model, drawn the air-flow calmed the anger within casing by capillary tube, air-flow is then passed through internal layer casing by capillary tube through chamber and installs limit, spigot joint via the static pressure communicated with capillary tube, finally it flow to external pressure transducer spigot joint with static pressure, thus measuring casing inwall static pressure of calming the anger。
Further, the inwall of one end of described capillary tube and internal layer casing is threaded connection, and seals with binding agent。
In such scheme, the material of described capillary tube is metal so that capillary tube has certain toughness and anti-bending strength, it is not easy to be damaged;Described capillary tube is provided with external screw thread, is conducive to connecting and sealing。
In such scheme, the spigot joint installation limit with internal layer casing of described static pressure is threaded connection。
In such scheme, the installation limit of described internal layer casing radially has aperture;Described aperture is always through to chamber from installing limit;The inwall of one end of described capillary tube and internal layer casing is threaded connection, and seals with binding agent;The other end of described capillary tube installs limit through internal layer casing by aperture from chamber always;Described capillary tube is installed the one end on limit near internal layer casing and is connected with installing inner edge, limit tapping and fixing and seals;Preferably, one end that described capillary tube installs limit near internal layer casing is connected by welding to fix with installation inner edge, limit tapping and seals;Described aperture is provided with screw thread near the outer rim installing limit;Described static pressure aperture that is spigot joint and that install limit is threaded connection so that while the spigot joint easy accessibility of static pressure, also ensure that the air-tightness of air pressure casing。
Described binding agent can adopt fluid sealant。
Compared with prior art, this utility model has the advantages that
This utility model is optimized design by the spigot joint assembly of static pressure of static pressure measurement device is drawn path at casing of calming the anger, by integrated with internal layer casing for spigot joint for static pressure assembly, simplify dismounting and the assemble flow of compressor, extend the service life of the spigot joint assembly of static pressure simultaneously, improve the stability of compressor static pressure measurement accuracy;And by taking effective sealing to capillary tube and static pressure are spigot joint respectively with the connection of internal layer casing, it is ensured that the air-tightness of casing of calming the anger。
Accompanying drawing explanation
Fig. 1 is that prior art has static pressure measurement device and calms the anger the schematic diagram of casing;
Fig. 2 is that this utility model has static pressure measurement device and calms the anger the schematic diagram of casing。
Detailed description of the invention
Below in conjunction with detailed description of the invention, this utility model is further described。Wherein, being merely cited for property of accompanying drawing illustrates, expression is only schematic diagram, but not pictorial diagram, it is impossible to it is interpreted as the restriction to this patent;In order to of the present utility model embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;It will be understood by those skilled in the art that some known features and explanation thereof are likely to omission and will be understood by accompanying drawing。
Embodiment 1
Such as the casing of calming the anger with static pressure measurement device that Fig. 1 is prior art, casing of calming the anger includes outer layer casing 1 and internal layer casing 2, forms a chamber between outer layer casing 1 and internal layer casing 2;Internal layer casing is provided with screwed hole, in order to connect one end of the spigot joint assembly 3 of static pressure, in order to draw the other end of the spigot joint assembly 3 of static pressure, it is necessary to process lead-out groove on outer layer casing 3, also will at slotting position gluing with anti-gas-leak after completing assembling。Glue is wiped off and could dismantle smoothly when calming the anger casing dismounting, and in assembly or disassembly process, the spigot joint assembly 3 of static pressure is through repeatedly bending, and very easily fracture distress, this has carried out inconvenience to casing mounting and dismounting band of calming the anger。
As in figure 2 it is shown, the present embodiment provides a kind of casing of calming the anger with static pressure measurement device, being bolted including outer layer casing 1 and internal layer casing 2, outer layer casing 1 and internal layer casing 2, the appearance of casing of calming the anger shows the installation limit of internal layer casing 2;Form a chamber between outer layer casing 1 and internal layer casing 2, in chamber, be provided with the spigot joint assembly 3 of a number of static pressure;One end of the spigot joint assembly 3 of static pressure is connected with the inwall of internal layer casing 2, and for drawing the air-flow calming the anger in casing, the other end passes from the installation limit of internal layer casing 2, external pressure transducer。
The spigot joint assembly of static pressure 3 includes capillary tube 31 and static pressure spigot joint 32;Described capillary tube 31 one end is connected on internal layer casing 2 inwall, connects casing internal gas flow of calming the anger, other end connection static pressure spigot joint 32;Described static pressure spigot joint 32 is connected to internal layer casing 2 and installs on limit。
The material of capillary tube 31 is metal, and capillary tube 31 is provided with external screw thread。
The installation limit of internal layer casing 2 radially has aperture;Aperture is communicated to chamber from installing limit always;Aperture is provided with screw thread near the outer rim installing limit;The inwall of one end of capillary tube and internal layer casing 2 is threaded connection, and uses sealant sealing;The other end of capillary tube 31 installs limit through internal layer casing 2 by aperture from chamber always;Capillary tube 31 installs the one end on limit near internal layer casing 2, is connected by welding to fix with installation inner edge, limit tapping and seals;Static pressure spigot joint 32 and the aperture installing limit are threaded connection。
In the present embodiment, the air-flow calmed the anger within casing is drawn by capillary tube 31, air-flow is then passed through internal layer casing 2 by capillary tube 31 through chamber and installs limit, via spigot joint with the static pressure that capillary tube 31 communicates 32, finally it flow to 32 external pressure transducers spigot joint with static pressure, thus measuring casing inwall static pressure of calming the anger。
In the present embodiment, the spigot joint assembly of static pressure 3 has been designed to integrated with internal layer casing 2 so that the spigot joint assembly 3 of static pressure is separated with outer layer casing 1, directly passes from the installation limit of internal layer casing 2;When carrying out the dismounting of outer layer casing 1, it is not necessary to consider the spigot joint assembly 3 of static pressure, directly dismount, simplify the dismounting flow process of outer layer casing 1, improve work efficiency;Simultaneously, it is to avoid the spigot joint assembly 3 of static pressure and the interference of outer layer casing 1, the service life of the spigot joint assembly 3 of static pressure is effectively extended, it is ensured that the accuracy of casing inwall static pressure measurement of calming the anger;And by effective sealing is taked in the connection of capillary tube 31 and static pressure spigot joint 32 with internal layer casing 2 respectively, it is ensured that the air-tightness of casing of calming the anger。
Obviously, above-described embodiment is only for clearly demonstrating the technical solution of the utility model example, and is not the restriction to embodiment of the present utility model。For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description。Here without also cannot all of embodiment be given exhaustive。All any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within this utility model scope of the claims。

Claims (7)

1., with a casing of calming the anger for static pressure measurement device, including outer layer casing and internal layer casing, form a chamber between described outer layer casing and internal layer casing, in described chamber, be provided with the spigot joint assembly of a number of static pressure;The appearance of described casing of calming the anger shows the installation limit of internal layer casing, it is characterized in that, one end of the spigot joint assembly of described static pressure is connected with the inwall of internal layer casing, for drawing the air-flow calming the anger in casing, the other end passes from the installation limit of internal layer casing, external pressure transducer。
2. the casing of calming the anger with static pressure measurement device according to claim 1, it is characterised in that the spigot joint assembly of described static pressure includes capillary tube and static pressure is spigot joint;Described capillary tube one end is connected on internal layer casing inwall, connects casing internal gas flow of calming the anger, and other end connection static pressure is spigot joint;The spigot joint one end of described static pressure is connected to internal layer casing and installs on limit, connects with capillary tube, the external pressure transducer of the other end。
3. the casing of calming the anger with static pressure measurement device according to claim 2, it is characterised in that the inwall of one end of described capillary tube and internal layer casing is threaded connection, and seals with binding agent。
4. the casing of calming the anger with static pressure measurement device according to claim 2, it is characterised in that the spigot joint installation limit with internal layer casing of described static pressure is threaded connection。
5. the casing of calming the anger with static pressure measurement device according to any one of claim 2 to 4, it is characterised in that the material of described capillary tube is metal, and described capillary tube is provided with external screw thread。
6. the casing of calming the anger with static pressure measurement device according to claim 2, it is characterised in that the installation limit of described internal layer casing radially has aperture;Described aperture is always through to chamber from installing limit;Described capillary tube is provided with external screw thread, and the inwall of its one end and internal layer casing is threaded connection, and seals with binding agent;The other end of described capillary tube installs limit through internal layer casing by aperture from chamber always;Described capillary tube is installed the one end on limit near internal layer casing and is connected with installing inner edge, limit tapping and fixing and seals;Described aperture is provided with screw thread near the outer rim installing limit;Described static pressure aperture that is spigot joint and that install limit is threadeded。
7. the casing of calming the anger with static pressure measurement device according to claim 6, it is characterised in that described capillary tube is connected near one end installing limit of internal layer casing by welding is fixing with installation inner edge, limit tapping and seals。
CN201620026497.9U 2016-01-13 2016-01-13 Compressor casket with static pressure measuring device Active CN205331056U (en)

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Application Number Priority Date Filing Date Title
CN201620026497.9U CN205331056U (en) 2016-01-13 2016-01-13 Compressor casket with static pressure measuring device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111811822A (en) * 2019-04-10 2020-10-23 中国航发商用航空发动机有限责任公司 Measuring structure, connecting device, combustion chamber and combustion chamber test system for flame tube wall static pressure
CN113464496A (en) * 2021-08-18 2021-10-01 重庆江增船舶重工有限公司 Detection structure of supercritical carbon dioxide centrifugal compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111811822A (en) * 2019-04-10 2020-10-23 中国航发商用航空发动机有限责任公司 Measuring structure, connecting device, combustion chamber and combustion chamber test system for flame tube wall static pressure
CN113464496A (en) * 2021-08-18 2021-10-01 重庆江增船舶重工有限公司 Detection structure of supercritical carbon dioxide centrifugal compressor

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CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District

Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute

Country or region after: China

Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District

Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE

Country or region before: China