CN205991879U - A kind of block testing stand exhaust apparatus - Google Patents
A kind of block testing stand exhaust apparatus Download PDFInfo
- Publication number
- CN205991879U CN205991879U CN201620978860.7U CN201620978860U CN205991879U CN 205991879 U CN205991879 U CN 205991879U CN 201620978860 U CN201620978860 U CN 201620978860U CN 205991879 U CN205991879 U CN 205991879U
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- flange
- straight section
- converging portion
- fixedly connected
- exhaust apparatus
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Abstract
The utility model discloses a kind of block testing stand exhaust apparatus, it includes converging portion, waits straight section, expansion segment, bellows piece, support of pipelines；Converging portion is arranged in altitude simulation cabin, and expansion segment is arranged on altitude simulation out of my cabin, converging portion, waits straight section, and expansion segment passes sequentially through flange according to engine exhaust flow direction and is fixedly connected；Bellows piece one end is fixedly connected with altitude simulation cabin, and the other end is fixedly connected with waiting straight section outlet(discharge) flange by flange；Support of pipelines respectively with converging portion outlet(discharge) flange and etc. straight section inlet flange be fixedly connected；Support of pipelines is provided with roll wheel assembly, the support of pipelines being provided with roll wheel assembly of the present utility model and corrugated conduit, absorbs the axial length change that metallic conduit causes due to expanding with heat and contract with cold.
Description
Technical field
This utility model is related to a kind of block testing stand exhaust apparatus, especially a kind of winged for simulated engine high-altitude
Exhaust apparatus during row.
Background technology
When in ground simulation electromotor high-altitude flight state, generally first electromotor is arranged in stratochamber, using taking out
Gas equipment carries out to stratochamber being evacuated makes the pressure in stratochamber be negative pressure, and then the pressure realized in stratochamber is high with electromotor
During empty flight, the ambient pressure of residing height is identical, then carries out engine ignition, carries out high-altitude flight simulation test, in electromotor
In work process, need to arrange exhaust apparatus, the high-temperature gas that electromotor is discharged discharges stratochamber；In prior art, generally
Using the discharge duct being fixedly mounted on support of pipelines as exhaust apparatus, the high-temperature gas that electromotor is discharged is discharged, row
Feed channel one end is arranged in stratochamber, and the other end is arranged on high-altitude out of my cabin, and discharge duct is fixedly connected with stratochamber, described
Support of pipelines is fixedly installed on ground or stratochamber inner bottom part；But, the electromotor institute expellant gas of high-altitude flight are high temperature
Gas, its temperature generally more than 350 DEG C, when electromotor discharge high-temperature gas in metallic conduit internal flow when, due to gold
Belong to the attribute expanding with heat and contract with cold, pipeline can occur axial expansion, after high-temperature medium flows over, recover room temperature with metallic conduit,
Metallic conduit can shorten to original length, and existing support of pipelines cannot absorb the axial direction that metallic conduit causes due to expanding with heat and contract with cold
Length change, and then lead to support of pipelines deformation even to be ruptured, pipeline and stratochamber fixed connection place also can deform simultaneously
Even rupture.
Content of the invention
The purpose of this utility model is to overcome the defect of above-mentioned prior art presence to provide a kind of absorbable gold
The block testing stand exhaust apparatus of the axial length change that metal conduit causes due to expanding with heat and contract with cold.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of block testing stand exhaust apparatus, described testing stand exhaust apparatus includes converging portion, waits straight section, expansion segment,
Bellows piece, support of pipelines；Described converging portion is arranged in altitude simulation cabin, and expansion segment is arranged on altitude simulation out of my cabin, described
Converging portion, waits straight section, and expansion segment passes sequentially through flange according to engine exhaust flow direction and is fixedly connected；Described bellows piece one
End is fixedly connected with described altitude simulation cabin, and the other end is fixedly connected with waiting straight section outlet(discharge) flange by flange；Described pipeline props up
Frame respectively with described converging portion outlet(discharge) flange and etc. straight section inlet flange be fixedly connected, described converging portion 2, wait straight section 3, expansion segment
4 is hollow revolving body；Described support of pipelines includes fixing insertion, guide holder, base plate, upper roller guide plate, bottom roller guide plate,
Roll wheel assembly, fixed support；Described fixing insertion be provided with described converging portion outlet(discharge) flange and etc. straight section inlet flange method
The corresponding through hole of flange aperture, described fixing insertion is inserted into described converging portion outlet(discharge) flange and waits between straight section inlet flange, Gu
Determine the flange hole of screw bolt passes converging portion outlet(discharge) flange, the through hole on fixing insertion, waits the flange hole of straight section inlet flange
And by described converging portion, fixing insertion, wait straight section to be fixedly connected；Described fixing insertion lower end is fixedly connected with base plate, described bottom
Plate upper surface is fixedly installed guide holder, and described guide holder is 2, each described guide holder is provided with pin-and-hole, alignment pin divides
Chuan Guo 2 described guide holders not connected the pin-and-hole on 2 described guide holders；Described base plate lower surface is provided with upper roller guiding
Plate, described fixed support bottom is fixedly installed on altitude simulation bilge portion, and described fixed support upper surface and described bottom roller are led
It is fixedly connected to plate lower surface；Described roll wheel assembly is arranged between described upper roller guide plate and described bottom roller guide plate.
Further, it is fixedly connected converging portion, wait straight section, between the flange of expansion segment, be provided with sealing ring.
Further, described roll wheel assembly includes roller and framework, and described roller is arranged in framework.
Further, it is provided with reinforcement between described fixing insertion and described base plate.
Compared with prior art, the support of pipelines being provided with roll wheel assembly described in the utility model and corrugated tube, absorbs
The axial length change that metallic conduit causes due to expanding with heat and contract with cold.
Brief description
With reference to the accompanying drawings and detailed description this utility model is further described.
Fig. 1 is the exhaust apparatus schematic diagram of this utility model exhaust apparatus.
Fig. 2 is the front view of the support of pipelines of this utility model exhaust apparatus.
Fig. 3 is the left view of the support of pipelines of this utility model exhaust apparatus.
Fig. 4 is the schematic diagram of roll wheel assembly.
Specific embodiment
Referring to Fig. 1-Fig. 4, a kind of block testing stand exhaust apparatus, described testing stand exhaust apparatus includes converging portion 2, etc.
Straight section 3, expansion segment 4, bellows piece 5, support of pipelines；Described converging portion 2 is arranged in altitude simulation cabin 1, and expansion segment 4 is arranged on
Outside altitude simulation cabin 1, described converging portion 2, waits straight section 3, it is solid that expansion segment 4 passes sequentially through flange according to engine exhaust flow direction
Fixed connection；Described bellows piece 5 one end is fixedly connected with described altitude simulation cabin 1, and the other end is exported with waiting straight section 3 by flange
Flange is fixedly connected, described converging portion 2, waits straight section 3, and expansion segment 4 is hollow revolving body；Described support of pipelines respectively with described receipts
Hold back section 2 outlet(discharge) flange and wait straight section 3 inlet flange to be fixedly connected；Described support of pipelines includes fixing insertion 6, guide holder 7, base plate
10, upper roller guide plate 11, bottom roller guide plate 12, roll wheel assembly 13, fixed support 14；Described fixing insertion 6 be provided with
The described converging portion 2 outlet(discharge) flange through hole corresponding with the flange hole waiting straight section 3 inlet flange, described fixing insertion 6 is inserted into
Described converging portion 2 outlet(discharge) flange and waiting between straight section 3 inlet flange, fixing bolt sequentially passes through the method for converging portion 2 outlet(discharge) flange
Flange aperture, the through hole on fixing insertion 6, waits the flange hole of straight section 3 inlet flange and by described converging portion 2, fixing insertion 6, waits straight
Section 3 is fixedly connected；Described fixing insertion 6 lower end is fixedly connected with base plate 10, and described base plate 10 upper surface is fixedly installed guiding
Seat 7, described guide holder 7 is 2, each described guide holder 7 is provided with pin-and-hole 8, alignment pin 9 is each passed through 2 described guiding
2 described guide holders 7 are connected by the pin-and-hole 8 on seat 7；Described base plate 10 lower surface is provided with upper roller guide plate 11, described solid
Fixed rack 14 bottom is fixedly installed on altitude simulation cabin 1 bottom, described fixed support 14 upper surface and described bottom roller guide plate
12 lower surfaces are fixedly connected；Described roll wheel assembly 13 be arranged on described upper roller guide plate 11 and described bottom roller guide plate 12 it
Between.
Preferably, it is fixedly connected converging portion 2, wait straight section 3, between the flange of expansion segment 4, be provided with sealing ring.
Preferably, described roll wheel assembly 13 includes roller 15 and framework 16, and described roller 15 is arranged in framework 16.
Preferably, it is provided with reinforcement 17 between described fixing insertion 6 and described base plate 10.
Finally illustrate, above example is merely to illustrate the technical solution of the utility model and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those of skill in the art that can be to this reality
Modified and equivalent substitute with new technical scheme, the objective without deviating from technical solutions of the utility model and scope, its
All should cover in the middle of right of the present utility model.
Claims (4)
1. a kind of block testing stand exhaust apparatus is it is characterised in that described testing stand exhaust apparatus includes converging portion (2), etc.
Straight section (3), expansion segment (4), bellows piece (5), support of pipelines；Described converging portion (2) is arranged in altitude simulation cabin (1), expands
Open section (4) and be arranged on altitude simulation cabin (1) outward, described converging portion (2), wait straight section (3), expansion segment (4) is according to engine exhaust
Flow direction passes sequentially through flange and is fixedly connected；Described bellows piece (5) one end is fixedly connected with described altitude simulation cabin (1),
The other end is fixedly connected with waiting straight section (3) outlet(discharge) flange by flange, and described converging portion (2) waits straight section (3), expansion segment (4) is
Hollow revolving body；Described support of pipelines respectively with described converging portion (2) outlet(discharge) flange and etc. straight section (3) inlet flange fixing even
Connect；Described support of pipelines includes fixing insertion (6), guide holder (7), base plate (10), upper roller guide plate (11), and bottom roller guides
Plate (12), roll wheel assembly (13), fixed support (14)；Described fixing insertion (6) is provided with and described converging portion (2) outlet(discharge) flange
The through hole corresponding with the flange hole waiting straight section (3) inlet flange, described fixing insertion (6) is inserted into described converging portion (2) and goes out
Mouthful flange and etc. between straight section (3) inlet flange, fixing bolt sequentially passes through the flange hole of converging portion (2) outlet(discharge) flange, fixation
Through hole on plate (6), waits the flange hole of straight section (3) inlet flange and by described converging portion (2), fixing insertion (6), waits straight section
(3) it is fixedly connected；Described fixing insertion (6) lower end is fixedly connected with base plate (10), and described base plate (10) upper surface is fixedly installed
There is guide holder (7), described guide holder (7) is 2, each described guide holder (7) is provided with pin-and-hole (8), alignment pin (9) is respectively
Through the pin-and-hole (8) on 2 described guide holders (7), 2 described guide holders (7) are connected；Described base plate (10) lower surface setting
There is upper roller guide plate (11), described fixed support (14) bottom is fixedly installed on altitude simulation cabin (1) bottom, and described fixation is propped up
Frame (14) upper surface is fixedly connected with described bottom roller guide plate (12) lower surface；Described roll wheel assembly (13) is arranged on described
Between roller guide plate (11) and described bottom roller guide plate (12).
2. block testing stand exhaust apparatus according to claim 1 is it is characterised in that be fixedly connected converging portion (2), etc.
Straight section (3), is provided with sealing ring between the flange of expansion segment (4).
3. block testing stand exhaust apparatus according to claim 1 is it is characterised in that described roll wheel assembly (13) includes
Roller (15) and framework (16), described roller (15) is arranged in framework (16).
4. block testing stand exhaust apparatus according to claim 1 is it is characterised in that described fixing insertion (6) and institute
State and between base plate (10), be provided with reinforcement (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620978860.7U CN205991879U (en) | 2016-08-29 | 2016-08-29 | A kind of block testing stand exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620978860.7U CN205991879U (en) | 2016-08-29 | 2016-08-29 | A kind of block testing stand exhaust apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991879U true CN205991879U (en) | 2017-03-01 |
Family
ID=58105605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620978860.7U Active CN205991879U (en) | 2016-08-29 | 2016-08-29 | A kind of block testing stand exhaust apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198028A (en) * | 2016-08-29 | 2016-12-07 | 北京航天三发高科技有限公司 | A kind of block testing stand exhaust apparatus |
-
2016
- 2016-08-29 CN CN201620978860.7U patent/CN205991879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198028A (en) * | 2016-08-29 | 2016-12-07 | 北京航天三发高科技有限公司 | A kind of block testing stand exhaust apparatus |
| CN106198028B (en) * | 2016-08-29 | 2018-08-03 | 北京航天三发高科技有限公司 | A kind of block testing stand exhaust apparatus |
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