CN207197822U - Engine inlets boundary-layer movable type probe - Google Patents
Engine inlets boundary-layer movable type probe Download PDFInfo
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- CN207197822U CN207197822U CN201721166508.4U CN201721166508U CN207197822U CN 207197822 U CN207197822 U CN 207197822U CN 201721166508 U CN201721166508 U CN 201721166508U CN 207197822 U CN207197822 U CN 207197822U
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- pole
- stop sleeve
- sliding block
- fixed
- groove
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Abstract
It the utility model is related to engine thermometry field, specifically provide engine inlets boundary-layer movable type probe, gauge head is connected by pole with movable sliding block, sliding block is connected with connecing mouth simultaneously, the gas entered at gauge head, which is delivered to, connects mouth and then to pressure sensor pressure measurement, sliding block is promoted gauge head is moved in engine inlets, to realize that single gauge head carries out multimetering in engine inlets, simultaneously mouth is connect to move with gauge head, the particular location of gauge head is grasped in movement according to mouth is connect in real time, is accurately positioned with carrying out measuring point.
Description
Technical field
Engine thermometry field is the utility model is related to, more particularly to engine inlets boundary-layer is portable visits
Pin.
Background technology
The development of aero-engine and gas turbine be unable to do without ground experiment.In engine test, measurement is often required that
Engine intake airflow, it is therefore desirable to measure inlet flow boundary-layer stagnation pressure.Conventional engine inlets boundary-layer stagnation pressure is surveyed
Amount is to design boundary-layer probe according to boundary layer theory thickness, and distance is very near between each measuring point.
Engine inlets boundary-layer total pressure measurement at present is to design boundary-layer probe according to boundary layer theory thickness, each
Distance is very near between measuring point.Due to reciprocal influence between pole and each measuring point, measurement result is had a great influence.
Utility model content
To overcome at least one defect existing for above-mentioned prior art, the utility model provides the attached face of engine inlets
The portable probe of layer, including：
One mounting seat, it is fixed on engine inlets inwall；
One stop sleeve, it is fixed on engine charge pipeline outer wall, and the stop sleeve is coaxially disposed with the mounting seat,
The wall of the stop sleeve is provided with groove；
One pole, through the mounting seat and concordant with the top end face of the mounting seat, rear end is stretched into described for its front end
In stop sleeve, passage is provided with the pole；
One gauge head, its outlet side are fixed in the pole, and it is outer and towards air intake duct upstream that inlet end stretches out the pole；
One sliding block, it is located in the stop sleeve and coordinated with its gap, and the front end of the sliding block is socketed on the branch
The rear end of bar is simultaneously mutually fixed with it；
Mouth is connect, its one end is sealed fixed and connected with the passage of the pole with the sliding block, and the other end passes through described
The groove of stop sleeve stretches out and is connected with pressure sensor；
Displacement Feedback part, it is fixed with the stop sleeve, and described position of the mouth on the pole axial direction is connect for feeding back
Shifting amount；
Actuator, it is connected with the sliding block and drives the sliding block to be slided in the stop sleeve.
Preferably, the mounting seat and the stop sleeve are mutually fixed by bolt with engine inlets.
Preferably, one end of the gauge head is fixed in the pole by welding manner.
Preferably, the front end of the sliding block is provided with blind hole, rear end end face and the blind via bottom of the pole vertically
Between leave certain distance, and the rear end of the pole is fixed in the blind hole by welding manner, and the sliding block is radially
Screwed hole is provided with, the screwed hole is connected with the blind hole, and described one end for connecing mouth is bolted in the screwed hole.
Preferably, the Displacement Feedback part is a stripe board, and it is parallel to the pole and one end and the stop sleeve
It is fixed, it is provided with the stripe board and groove, the groove of the length of the groove and the stop sleeve is adapted, the stripe board
On groove by be provided with scale, the mouth that connects is through the groove of the stripe board.
Preferably, the actuator is motor, and the motor is fixed with the stop sleeve.
Engine inlets boundary-layer movable type probe provided by the utility model, according to actual requirement in measurement process
Traveling probe measures engine inlets boundary-layer stagnation pressure, can solve because of error caused by being influenced each other between measuring point, can also
Reduce because probe pole too slightly influence caused by error.
Brief description of the drawings
Embodiment below with reference to accompanying drawing description is exemplary, it is intended to for explanation and illustration the utility model, without
It is understood that as the limitation to the scope of protection of the utility model.
Fig. 1 is a kind of overall structure sectional view of illustrative examples of the present utility model；
Fig. 2 is the side view of the mounting seat in a kind of illustrative examples of the present utility model；
Fig. 3 is the sectional view of the stop sleeve in a kind of illustrative examples of the present utility model；
Fig. 4 is the sectional view of the sliding block in a kind of illustrative examples of the present utility model；
Fig. 5 is the top view of the Displacement Feedback part in a kind of illustrative examples of the present utility model.
Reference：
10 mounting seats
20 stop sleevees
30 poles
40 gauge heads
50 sliding blocks
60 connect mouth
70 Displacement Feedback parts
80 actuators
Embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is further described in more detail.
It should be noted that：In the accompanying drawings, from beginning to end same or similar label represent same or similar element or
Element with same or like function.Described embodiment is the utility model part of the embodiment, rather than whole
Embodiment, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.Based on this reality
With the embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
As shown in figure 1, engine inlets boundary-layer movable type probe provided by the utility model, including a mounting seat
10th, a stop sleeve 20, a pole 30, a gauge head 40, a sliding block 50, connect mouth 60, Displacement Feedback part 70 and actuator 80.
The schematic side view of mounting seat 10 is as shown in Fig. 2 mounting seat 10 is fixed on engine inlets inwall.Stop sleeve
20 schematic cross-sectional view is as shown in figure 3, stop sleeve 20 is fixed on engine charge pipeline outer wall, stop sleeve 20 and mounting seat 10
It is coaxially disposed, the wall of stop sleeve 20 is provided with groove.In one embodiment, mounting seat 10 and stop sleeve 20 pass through bolt
Mutually fixed with engine inlets.
Pole 30 is preferably a hollow cylinder, the front end of pole 30 through mounting seat 10 and with the top of mounting seat 10
End face is concordant, and rear end is stretched into stop sleeve 20, and passage is provided with pole 30.
Gauge head 40 is preferably a hollow air hose, and the outlet side of gauge head 40 is fixed in pole 30, and inlet end stretches out
Pole 30 is outer and towards air intake duct upstream.In one embodiment, one end of gauge head 40 is fixed on pole 30 by welding manner
It is interior.
The schematic cross-sectional view of sliding block 50 is as shown in figure 4, sliding block 50 is located in stop sleeve 20 and coordinated with its gap, sliding block
50 front end is socketed on the rear end of pole 30 and mutually fixed with it.Connect one end of mouth 60 it is fixed with the sealing of sliding block 50 and with pole 30
Passage connection, the other end stretched out by the groove of stop sleeve 20 and is connected with pressure sensor.In one embodiment,
The front end of sliding block 50 is provided with blind hole vertically, and certain distance, and pole are left between the rear end end face of pole 30 and blind via bottom
30 rear end is fixed in blind hole by welding manner, and sliding block 50 is radially provided with screwed hole, and screwed hole is connected with blind hole, connects
One end of mouth 60 is bolted in screwed hole.
The schematic top plan view of Displacement Feedback part 70 is as shown in figure 5, Displacement Feedback part 70 is fixed with stop sleeve 20, for anti-
Feedback connects displacement of the mouth 60 on the axial direction of pole 30.In one embodiment, Displacement Feedback part 70 is a stripe board, its parallel to
Pole 30 and one end is fixed with stop sleeve 20, is provided with and groove in stripe board, the length of the groove and stop sleeve 20 it is logical
Groove is adapted, and scale is provided with by the groove in stripe board, connects the groove that mouth 60 passes through stripe board, and scale, which is used to read, connects mouth 60
Position, and then extrapolate the current location of gauge head 40.
Actuator 80, sliding block 50 connect and drive sliding block 50 to be slided in stop sleeve 20.In one embodiment, drive
Part 80 is motor, and the motor is fixed with stop sleeve 20.The motor drives gauge head 40 to move by sliding block 50 and pole 30, point by point
Measure engine inlets boundary-layer stagnation pressure.
Operation principle of the present utility model is as follows：
During original state, sliding block 50 is located furthest from the position of engine inlets, connects mouth 60 and is located at Displacement Feedback part 70
The position farthest away from engine inlets in groove, gauge head 40 are located at the outermost of air intake duct boundary-layer, the gas in air intake duct
Body pass sequentially through gauge head 40, pole 30, sliding block 50 blind hole, connect mouth 60 and be ultimately transferred to pressure sensor.When needing to carry out
During the measurement of next measuring point, starting actuator 80 makes it drive sliding block 50 to be moved to air intake duct direction, and now gauge head 40 is to air inlet
Next measuring point is moved in road, and connects mouth 60 and is moved along groove to air intake duct direction, can by the scale on Displacement Feedback part 70
Know the particular location of gauge head 40, to judge whether to reach the position of next measuring point, measured after arrival, the like, pass through
An independent traveling probe completes pressure measxurement in engine inlets.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with described
Scope of the claims is defined.
Claims (6)
1. engine inlets boundary-layer movable type probe, it is characterised in that including：
One mounting seat (10), it is fixed on engine inlets inwall；
One stop sleeve (20), it is fixed on engine charge pipeline outer wall, the stop sleeve (20) and the mounting seat (10)
It is coaxially disposed, the wall of the stop sleeve (20) is provided with groove；
The mounting seat (10) and, rear end concordant with the top end face of the mounting seat (10) are run through in one pole (30), its front end
Stretch into the stop sleeve (20), passage is provided with the pole (30)；
One gauge head (40), its outlet side are fixed in the pole (30), and inlet end stretches out the pole (30) outside and towards entering
Air flue upstream；
One sliding block (50), it is located in the stop sleeve (20) and coordinated with its gap, the front end socket of the sliding block (50)
Mutually fix in the rear end of the pole (30) and with it；
Mouth (60) is connect, its one end is sealed fixed and connected with the passage of the pole (30), the other end with the sliding block (50)
Stretched out by the groove of the stop sleeve (20) and be connected with pressure sensor；
Displacement Feedback part (70), itself and the stop sleeve (20) are fixed, and described mouth (60) is connect in the pole for feeding back
(30) displacement on axial direction；
Actuator (80), it is connected with the sliding block (50) and drives the sliding block (50) sliding in the stop sleeve (20)
It is dynamic.
2. portable probe according to claim 1, it is characterised in that the mounting seat (10) and the stop sleeve
(20) mutually fixed with engine inlets by bolt.
3. portable probe according to claim 1, it is characterised in that one end of the gauge head (40) passes through welding manner
It is fixed in the pole (30).
4. portable probe according to claim 1, it is characterised in that the front end of the sliding block (50) is provided with blind vertically
Hole, certain distance, and the rear end of the pole (30) are left between the rear end end face of the pole (30) and the blind via bottom
It is fixed on by welding manner in the blind hole, the sliding block (50) is radially provided with screwed hole, the screwed hole and described blind
Hole is connected, and described one end for connecing mouth (60) is bolted in the screwed hole.
5. portable probe according to claim 1, it is characterised in that the Displacement Feedback part (70) is a stripe board,
It is fixed with the stop sleeve (20) parallel to the pole (30) and one end, is provided with the stripe board and groove, and this is logical
The groove of the length of groove and the stop sleeve (20) is adapted, and scale is provided with by the groove in the stripe board, described to connect mouth
(60) groove of the stripe board is passed through.
6. portable probe according to claim 1, it is characterised in that the actuator (80) is motor, the motor with
The stop sleeve (20) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166508.4U CN207197822U (en) | 2017-09-13 | 2017-09-13 | Engine inlets boundary-layer movable type probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166508.4U CN207197822U (en) | 2017-09-13 | 2017-09-13 | Engine inlets boundary-layer movable type probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197822U true CN207197822U (en) | 2018-04-06 |
Family
ID=61788761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721166508.4U Active CN207197822U (en) | 2017-09-13 | 2017-09-13 | Engine inlets boundary-layer movable type probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152445A (en) * | 2021-10-20 | 2022-03-08 | 中国航发四川燃气涡轮研究院 | Total pressure radial measuring point arrangement method and measuring rake for flow tube of high-altitude platform |
| CN114441089A (en) * | 2022-01-27 | 2022-05-06 | 中国航发沈阳发动机研究所 | Total pressure measurement rake and method for measuring total pressure in flow channel of aircraft engine |
| CN115901074A (en) * | 2022-12-13 | 2023-04-04 | 重庆大学 | Movable probe device for measuring pressure in flow channel of spray pipe |
-
2017
- 2017-09-13 CN CN201721166508.4U patent/CN207197822U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152445A (en) * | 2021-10-20 | 2022-03-08 | 中国航发四川燃气涡轮研究院 | Total pressure radial measuring point arrangement method and measuring rake for flow tube of high-altitude platform |
| CN114441089A (en) * | 2022-01-27 | 2022-05-06 | 中国航发沈阳发动机研究所 | Total pressure measurement rake and method for measuring total pressure in flow channel of aircraft engine |
| CN114441089B (en) * | 2022-01-27 | 2023-08-22 | 中国航发沈阳发动机研究所 | Total pressure measuring rake and total pressure measuring method in flow passage of aeroengine |
| CN115901074A (en) * | 2022-12-13 | 2023-04-04 | 重庆大学 | Movable probe device for measuring pressure in flow channel of spray pipe |
| CN115901074B (en) * | 2022-12-13 | 2024-06-04 | 重庆大学 | Movable probe device for measuring pressure in spray pipe flow channel |
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