CN209197585U - The test of missile surveys device with fluid field pressure school - Google Patents
The test of missile surveys device with fluid field pressure school Download PDFInfo
- Publication number
- CN209197585U CN209197585U CN201821884708.8U CN201821884708U CN209197585U CN 209197585 U CN209197585 U CN 209197585U CN 201821884708 U CN201821884708 U CN 201821884708U CN 209197585 U CN209197585 U CN 209197585U
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- China
- Prior art keywords
- circular support
- support bar
- test
- hydraulic cylinder
- supporing shell
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Abstract
The utility model discloses a kind of test of missile fluid field pressure schools to survey device, including firm banking, the firm banking upper end is equipped with supporing shell, round sliding slot is equipped in the supporing shell, the bottom end of the circle sliding slot is connected with turntable, multistage hydraulic cylinder is fixedly installed on the turntable, the side wall of the multistage hydraulic cylinder is connect with rotation drive device, the multistage hydraulic cylinder top is equipped with mobile sliding block, the mobile upper end of slide block is equipped with flange, the flange upper end is equipped with circular support bar, sliding guide mechanism is installed on the circular support bar, the circle sliding slot inner wall is fixedly connected with the guide part for being set in circular support bar top.The utility model has the advantages of good, the changeable point position of displacement accuracy high stability completes three-dimensional flow field measurement, it solves existing test of missile fluid field pressure school and surveys that device displacement accuracy low stability is poor, point position is more single, it is difficult to complete the problem of three-dimensional flow field measures.
Description
Technical field
It is surveyed and is filled with fluid field pressure school the utility model relates to test of missile technical field more particularly to a kind of test of missile
It sets.
Background technique
With the development of a new generation, China aircraft, the precision of authenticity and test result for flight environment of vehicle simulation
More stringent requirements are proposed, aircraft qualification test and special test must it is excellent in flow field quality, TT&C system is with high accuracy
It is carried out in supersonic wind tunnel.China have now been established some supersonic wind tunnels, in these supersonic wind tunnel processs of construction,
It has to debug Flow Field in Wind Tunnel, the quality of debugging will directly influence the quality of performance of wind tunnel.The debugging process of wind-tunnel
Middle needs carry out smooth pressure measurement, and existing fixed position fluid field pressure measuring device can no longer meet test demand, and
And it more haves the defects that much to be difficult to make up in terms of dynamic measurement and protecting against shock.
Through retrieving, utility model Authorization Notice No. is that CN203011609U discloses a kind of flow field for supersonic wind tunnel
Pressure school survey device, including servo-cylinder, servo-cylinder support frame, push rod, middle bracket, pressure-measuring pipe, pressure-measuring pipe support frame and
Valve is scanned, the servo-cylinder is fixed on servo-cylinder support frame, one end of the push rod and the piston of servo-cylinder
Bar connection, the other end of push rod pass through middle bracket and connect with pressure-measuring pipe support frame, and the pressure-measuring pipe is laid in pressure-measuring pipe
On support frame, which connect with scanning valve.
The existing test of missile is low with fluid field pressure school survey device precision of rectilinear motion, and no guiding mechanism is measured in linear movement
When position may change, to influence the precision of measurement, and point position is more single, can not be to multiple space angles
School survey is carried out, a kind of test of missile fluid field pressure school is now designed in view of the above problems and surveys device.
Utility model content
The purpose of this utility model is to provide a kind of test of missile fluid field pressure schools to survey device, has displacement accuracy height
The advantages of good, the changeable point position of stability completes three-dimensional flow field measurement, solves existing test of missile fluid field pressure school
The low stability of survey device displacement accuracy is poor, point position is more single, it is difficult to the problem of completing three-dimensional flow field measurement.
Device, including firm banking, institute are surveyed according to a kind of test of missile of the utility model embodiment fluid field pressure school
Firm banking upper end is stated equipped with supporing shell, the supporing shell is interior to be equipped with round sliding slot, the bottom end connection of the circle sliding slot
There is turntable, multistage hydraulic cylinder is fixedly installed on the turntable, the side wall of the multistage hydraulic cylinder is connect with rotation drive device,
The multistage hydraulic cylinder top is equipped with mobile sliding block, and the mobile upper end of slide block is equipped with flange, and the flange upper end is equipped with circle
Support rod is equipped with sliding guide mechanism on the circular support bar, and the circle sliding slot inner wall, which is fixedly connected with, is set in circle
The guide part on shape support rod top, the supporing shell above the guide part are equipped with sealing ring, circular support bar top
Across sealing ring and left side is fixedly connected with circular support frame, and circular support frame edge is equipped with multiple round holes, the circle
Electric pressure scaner ontology is equipped in shape hole.
Further, the sealing ring is set on circular support bar.
Further, the rotation drive device include the gear ring being fixedly connected on multistage hydraulic cylinder side wall, gear and
Stepper motor, the stepper motor are fixed on the firm banking on the outside of supporing shell, the output end and tooth of the stepper motor
Wheel connects, and the opening protruded into for gear is offered on the side wall of the supporing shell, and the gear protrudes into supporting shell by opening
Connection is engaged with gear ring in vivo.
Further, the sliding guide mechanism includes that the ball bearing being set on circular support bar and activity are embedded in
The inner ring of ball on ball bearing outer wall, the ball bearing is fixedly connected with circular support bar, the ball and concentric stroking
The inner wall of slot offsets.
Further, fixing screw hole is equipped in the middle part of the circular support frame.
Further, the connection type of the flange and circular support bar is welding, and the flange passes through with mobile sliding block
Screw connection.
Further, the supporing shell, turntable, multistage hydraulic cylinder, circular support bar are located on same axis.
The utility model has the beneficial effect that compared with prior art
1. being connect by the side wall of turntable and multistage hydraulic cylinder with rotation drive device, can be driven by stepper motor more
Grade hydraulic cylinder rotation is realized by multistage hydraulic cylinder and is justified to make electric pressure scaner ontology that can rotate around circular support bar
Point position can be changed so that electric pressure scaner ontology be made to move in a straight line therewith in the linear motion of shape support rod, realizes
Multi-faceted measurement；
2. passing through ball bearing and the movable ball being embedded on ball bearing outer wall by being set on circular support bar
The sliding guide mechanism of equal components composition, plays the work of guiding when can make rotating motion or move along a straight line in circular support bar
With, while frictional force is reduced between circular support bar and ball bearing, between ball and the inner wall of round sliding slot for rolling friction,
Guide part is cooperated to play dual guiding role simultaneously, to improve the accuracy of measurement.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of test of missile fluid field pressure school survey device structural schematic diagram；
Fig. 2 is the enlarged drawing at the position A in Fig. 1；
Fig. 3 be the utility model proposes a kind of test of missile fluid field pressure school survey device in circular support frame structure
Schematic diagram.
In figure: 1- firm banking, 2- supporing shell, 201- opening, 3- circle sliding slot, 4- turntable, 5- multistage hydraulic cylinder, 6-
Mobile sliding block, 7- flange, 8- circular support bar, 9- guide part, 10- sealing ring, 11- sealing ring, 12- electric pressure scaner sheet
Body, 13- gear ring, 14- gear, 15- stepper motor, 16- ball bearing, 17- ball, 18- circular support frame, 19- fixing screws
Hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-3, a kind of test of missile surveys device, including firm banking 1, the firm banking 1 with fluid field pressure school
Upper end is equipped with supporing shell 2, and round sliding slot 3 is equipped in the supporing shell 2, and the bottom end of the circle sliding slot 3 is connected with turntable
4, multistage hydraulic cylinder 5 is fixedly installed on the turntable 4, and the side wall of the multistage hydraulic cylinder 5 is connect with rotation drive device, institute
It states 5 top of multistage hydraulic cylinder and is equipped with mobile sliding block 6, mobile 6 upper end of sliding block is equipped with flange 7, and 7 upper end of flange is equipped with circle
Shape support rod 8 is equipped with sliding guide mechanism on the circular support bar 8, and circle 3 inner wall of sliding slot, which is fixedly connected with, to be arranged
The supporing shell 2 of guide part 9 on 8 top of circular support bar, 9 top of guide part is equipped with sealing ring 10, sealing ring 10
It is set on circular support bar 8,8 top of circular support bar passes through sealing ring 11 and left side is fixedly connected with circular support frame
18,18 edge of circular support frame is equipped with multiple round holes, is equipped with electric pressure scaner ontology 12 in the round hole.
The rotation drive device includes the gear ring 13, gear 14 and stepping being fixedly connected on 5 side wall of multistage hydraulic cylinder
Motor 15, the stepper motor are fixed on the firm banking on the outside of supporing shell, the output end and gear of the stepper motor
It connects, the opening 201 protruded into for gear 14 is offered on the side wall of the supporing shell 2, the gear 14 is stretched by opening 201
Enter in supporing shell 2 and engage connection with gear ring 13, the turnning circle of stepper motor 15 can be by electrical control equipments such as PLC controllers
It is controlled, improves accuracy.
The sliding guide mechanism includes that the ball bearing 16 being set on circular support bar 8 and activity are embedded in ball axis
The ball 17 on 16 outer walls is held, the inner ring of the ball bearing 16 is fixedly connected with circular support bar 8, the ball 17 and circle
The inner wall of sliding slot 3 offsets, and can play the role of guiding when circular support bar 8 makes rotating motion or moves along a straight line, simultaneously circle
Frictional force is reduced between shape support rod 8 and ball bearing 16, between ball 17 and the inner wall of round sliding slot 13 for rolling friction, together
Shi Peihe guide part 9 plays dual guiding role, to improve the accuracy of measurement.
Fixing screw hole 19, the connection type of the flange 7 and circular support bar 8 are equipped in the middle part of the circular support frame 18
For welding, the flange is connected by screw to mobile sliding block 6, the supporing shell 2, turntable 4, multistage hydraulic cylinder 5, round branch
Strut 8 is located on same axis, guarantees rotation with one heart.
In use, firm banking 1 is fixed to designated position, electric pressure scaner ontology 12 and external equipment are connected
It connects, starting electric pressure scaner ontology 12 carries out data acquisition, when needing straight line line to move, injects to multistage hydraulic cylinder 5
Hydraulic oil, so that multistage hydraulic cylinder 5 extends, so that mobile sliding block 6 moves linearly, mobile sliding block 6 pushes circular support bar 8
It is mobile, so that electric pressure scaner ontology 12 be made to move in a straight line therewith, drive gear 14 to rotate by stepper motor 15, tooth
Wheel 14 is protruded into supporing shell 2 by opening 201 and engages connection with gear ring 13, so that gear ring 13 is driven to rotate, multistage hydraulic cylinder 4
It rotates with it, rotate electric pressure scaner ontology 12 can around circular support bar 8, point position can be changed, realize multi-faceted
Measurement, the multistage hydraulic cylinder 5 of addition stablizes due to the hydraulic fluid pressure that hydraulic cylinder inputs, it is ensured that linear motion it is flat
Surely, pass through the ball bearing 16 and the movable ball 17 being embedded on 16 outer wall of ball bearing by being set on circular support bar 8
The sliding guide mechanism of equal components composition, can play the work of guiding when circular support bar 8 makes rotating motion or moves along a straight line
With, while being reduced between circular support bar 8 and ball bearing 16, between ball 17 and the inner wall of round sliding slot 3 for rolling friction
Frictional force, while guide part being cooperated to play dual guiding role, to improve the accuracy of measurement.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of test of missile surveys device with fluid field pressure school, it is characterised in that: including firm banking, the firm banking upper end
Round sliding slot is equipped with equipped with supporing shell, in the supporing shell, the bottom end of the circle sliding slot is connected with turntable, the turntable
On be fixedly installed with multistage hydraulic cylinder, the side wall of the multistage hydraulic cylinder is connect with rotation drive device, the multistage hydraulic cylinder
Top is equipped with mobile sliding block, and the mobile upper end of slide block is equipped with flange, and the flange upper end is equipped with circular support bar, the circle
Sliding guide mechanism is installed, the circle sliding slot inner wall, which is fixedly connected with, is set in leading for circular support bar top on support rod
To part, the supporing shell above the guide part is equipped with sealing ring, and circular support bar top passes through sealing ring and left side
It is fixedly connected with circular support frame, circular support frame edge is equipped with multiple round holes, is equipped with electronics pressure in the round hole
Power scans valve body.
2. a kind of test of missile according to claim 1 surveys device with fluid field pressure school, it is characterised in that: the sealing ring
It is set on circular support bar.
3. a kind of test of missile according to claim 1 surveys device with fluid field pressure school, it is characterised in that: the rotation is driven
Dynamic device includes the gear ring, gear and stepper motor being fixedly connected on multistage hydraulic cylinder side wall, and the stepper motor is fixed on
On firm banking on the outside of supporing shell, the output end of the stepper motor is connect with gear, on the side wall of the supporing shell
The opening protruded into for gear is offered, the gear is protruded into supporing shell by opening and engages connection with gear ring.
4. a kind of test of missile according to claim 1 surveys device with fluid field pressure school, it is characterised in that: the sliding is led
It include the ball bearing being set on circular support bar and the movable ball being embedded on ball bearing outer wall, the rolling to mechanism
The inner ring of pearl bearing is fixedly connected with circular support bar, and the inner wall of the ball and round sliding slot offsets.
5. a kind of test of missile according to claim 1 surveys device with fluid field pressure school, it is characterised in that: the round branch
Fixing screw hole is equipped in the middle part of support.
6. a kind of test of missile according to claim 1 with fluid field pressure school survey device, it is characterised in that: the flange with
The connection type of circular support bar is welding, and the flange is connected by screw to mobile sliding block.
7. a kind of test of missile according to claim 1-6 surveys device with fluid field pressure school, it is characterised in that: institute
Supporing shell, turntable, multistage hydraulic cylinder, circular support bar is stated to be located on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821884708.8U CN209197585U (en) | 2018-11-16 | 2018-11-16 | The test of missile surveys device with fluid field pressure school |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821884708.8U CN209197585U (en) | 2018-11-16 | 2018-11-16 | The test of missile surveys device with fluid field pressure school |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197585U true CN209197585U (en) | 2019-08-02 |
Family
ID=67411762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821884708.8U Expired - Fee Related CN209197585U (en) | 2018-11-16 | 2018-11-16 | The test of missile surveys device with fluid field pressure school |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197585U (en) |
-
2018
- 2018-11-16 CN CN201821884708.8U patent/CN209197585U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |