CN210133843U - Shock tunnel model ground support device - Google Patents
Shock tunnel model ground support device Download PDFInfo
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- CN210133843U CN210133843U CN201920965671.XU CN201920965671U CN210133843U CN 210133843 U CN210133843 U CN 210133843U CN 201920965671 U CN201920965671 U CN 201920965671U CN 210133843 U CN210133843 U CN 210133843U
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- servo motor
- speed reducer
- model
- sliding plate
- rotary driving
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Abstract
The utility model discloses a shock tunnel model ground strutting arrangement. The supporting device comprises a frame, a lifting mechanism, a rolling mechanism and a control system; the frame is the main part of strutting arrangement, is elevating system, rolls the supporting platform of mechanism and control system, and control system drive elevating system drives the test model and moves along vertical direction, and control system drive rolls the mechanism and drives the test model and rotate along horizontal axis. The utility model discloses a shock tunnel model ground strutting arrangement can accomplish the installation of test model sensor safely, high-efficiently to save experimental preparation time, improved test efficiency.
Description
Technical Field
The utility model belongs to the technical field of the wind tunnel test, concretely relates to shock tunnel model ground strutting arrangement.
Background
In the early stage of the shock tunnel test, a heat flow sensor or a pressure sensor needs to be installed on a test model. The sensor is a cylindrical round bar with the diameter of phi 2mm, is inserted into the surface mounting hole of the model, the front end surface of the sensor is flush with the object surface of the model, the rear end of the sensor is positioned in the cavity of the model, and a lead is welded at the bottom of the sensor and is connected with the wind tunnel data acquisition system. The test model is mostly a metal model, the length is 1-2 m, the mass is 70-150 kg, and the test model is not easy to move. The sensors required to be installed on each model are hundreds and are installed manually by technicians, and the workload is large and the time consumption is long. The sensor mounting position is spread all over the model, including head, fuselage, gap and step etc. department, in order to guarantee that the outer terminal surface of every sensor all is with model ground object plane parallel and level, needs installer to adjust visual angle at any time to inspect sensor installation quality. The current installation mode is as follows: two V-shaped supports are placed on the workbench, the model is placed on the supports, the mounting surface faces to workers, and the model is turned over and the other surface is mounted after the mounting of the surface is completed. Need a large amount of manpowers and have the potential safety hazard during the upset model, support and the contact department sensor fragile of model, rotation angle receives the model appearance restriction, and the workstation high fixity leads to the installation inconvenient and influences the operation travelling comfort. Therefore, the ground supporting device for the shock tunnel model is urgently needed to be developed to solve the problems.
Disclosure of Invention
The utility model aims to solve the technical problem that a shock tunnel model ground strutting arrangement is provided.
The utility model discloses a shock tunnel model ground support device, which is characterized in that the support device comprises a frame, a lifting mechanism, a rolling mechanism and a control system;
the frame is a main body of the supporting device, is a supporting platform of the lifting mechanism, the rolling mechanism and the control system, and is fastened on the ground through bolts on a bottom plate of the frame;
the lifting mechanism comprises a servo motor I, a speed reducer I, a bearing seat, a lead screw, a guide rail, a transmission device, a sliding plate and a balancing weight, wherein the transmission device comprises two parallel pulleys, two chains penetrating through the pulleys and the balancing weight fixed at the tail end of the chains;
two parallel guide rails in the vertical direction are fixed on a vertical plane of the rack, a lead screw parallel to the guide rails is installed between the two parallel guide rails, the upper end and the lower end of the lead screw penetrate through the bearing seat and rotate within the limiting range of the bearing seat, the upper end of the lead screw is fixedly connected with the output end of a speed reducer I, and the input end of the speed reducer I is fixedly connected with a servo motor I;
the sliding plate is clamped on the guide rail, the left side and the right side of the upper end of the sliding plate are respectively fixed with the two chains of the transmission device, the back of the sliding plate is provided with threads matched with the screw rod, the servo motor I drives the speed reducer I to drive the screw rod to rotate, the screw rod drives the sliding plate to move up and down along the guide rail, and the balancing weight ensures that the sliding plate can move stably;
the rolling mechanism comprises a servo motor II, a speed reducer II, a rotary driving device, a disc, a flat plate interface and a cylindrical interface; the device comprises a sliding plate, a rotary driving device, a servo motor II, a disc, a flat plate interface and a cylindrical interface, wherein the rotary driving device is fixed on the sliding plate and fixedly connected with the output end of a speed reducer II;
the control system comprises a PLC controller and a handheld touch screen; the PLC controller is installed at the frame back, and the touch-sensitive screen is placed in the frame side, and the PLC controller passes through transmission line connection with handheld touch-sensitive screen, and the PLC controller controls servo motor I and servo motor II, gathers servo motor I and servo motor II's spacing signal simultaneously.
The flat panel interface is a square platform.
The cylindrical interface is a stepped shaft.
The handheld touch screen is used for handheld operation.
The utility model discloses a shock tunnel model ground strutting arrangement's test model adopts the tail support mode, and the model main part is unsettled, avoids model main part surface sensor to receive the touching and leads to damaging.
The utility model discloses a shock tunnel model ground strutting arrangement can realize the lift and the roll-over of model, improves sensor installation effectiveness and security.
The utility model discloses a shock tunnel model ground strutting arrangement has integrateed two interfaces of dull and stereotyped interface and cylinder interface, can satisfy multiple wind tunnel model installation demand.
Adopt the utility model discloses a shock tunnel model ground strutting arrangement can accomplish the installation of test model sensor safely, high-efficiently to save experimental preparation time, improved test efficiency.
Drawings
FIG. 1 is a perspective view of the shock tunnel model ground support device of the present invention;
FIG. 2 is a perspective view of a frame structure in the shock tunnel model ground support device of the present invention;
FIG. 3 is a perspective view of the outer structure of the lifting mechanism in the shock tunnel model ground support device of the present invention;
FIG. 4 is a perspective view of the inner side structure of the lifting mechanism in the shock tunnel model ground support device of the present invention;
FIG. 5 is a perspective view of the rolling mechanism of the shock tunnel model ground support device of the present invention;
FIG. 6 is a perspective view of the control system in the shock tunnel model ground support apparatus of the present invention;
FIG. 7 is a partial structure diagram of a wind tunnel test model with a flat plate at the tail;
FIG. 8 is a partial structure view of a wind tunnel test model with a circular hole at the tail;
in the figure, the touch screen comprises a rack 1, a frame 2, a servo motor I3, a speed reducer I4, a bearing seat 5, a lead screw 6, a guide rail 7, a transmission device 8, a sliding plate 9, a balancing weight 10, a servo motor II 11, a speed reducer II 12, a rotary driving device 13, a disc 14, a flat interface 15, a cylindrical interface 16, a PLC (programmable logic controller) 17 and a handheld touch screen.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the shock tunnel model ground supporting device of the present invention comprises a frame 1, a lifting mechanism, a rolling mechanism and a control system;
as shown in fig. 2, the frame 1 is a main body of the supporting device, is a supporting platform of the lifting mechanism, the rolling mechanism and the control system, and is fastened on the ground through bolts on a bottom plate of the frame 1;
as shown in fig. 3, the lifting mechanism includes a servo motor i 2, a speed reducer i 3, a bearing seat 4, a screw 5, a guide rail 6, a transmission device 7, a sliding plate 8 and a counterweight 9, the transmission device 7 includes two parallel pulleys, two chains passing through the pulleys and the counterweight 9 fixed at the tail end of the chains;
two parallel guide rails 6 in the vertical direction are fixed on a vertical plane of the rack 1, a lead screw 5 parallel to the guide rails 6 is installed between the two parallel guide rails 6, the upper end and the lower end of the lead screw 5 penetrate through the bearing block 4 and rotate in the limiting range of the bearing block 4, the upper end of the lead screw 5 is fixedly connected with the output end of the speed reducer I3, and the input end of the speed reducer I3 is fixedly connected with the servo motor I2;
the sliding plate 8 is clamped on the guide rail 6, the left side and the right side of the upper end of the sliding plate 8 are respectively fixed with two chains of the transmission device 7, threads matched with the screw rod 5 are arranged on the back of the sliding plate 8, the servo motor I2 drives the speed reducer I3 to drive the screw rod 5 to rotate, the screw rod 5 drives the sliding plate 8 to move up and down along the guide rail 6, and the balancing weight 9 ensures that the sliding plate 8 can move stably;
as shown in fig. 5, the rolling mechanism includes a servo motor ii 10, a speed reducer ii 11, a rotary driving device 12, a disc 13, a flat plate interface 14 and a cylindrical interface 15; the device comprises a rotary driving device 12, a servo motor II 10, a rotary driving device 12, a disc 13, a flat plate interface 14 and a cylindrical interface 15, wherein the rotary driving device 12 is fixed on a sliding plate 8, the rotary driving device 12 is fixedly connected with the output end of a speed reducer II 11, the input end of the speed reducer II 11 is fixedly connected with the servo motor II 10, the servo motor II 10 drives the speed reducer II 11 to drive the rotary driving device 12 to rotate, the rotary driving device 12 is fixed with the disc 13, the vertical plane of the disc 13 is fixed with the flat plate interface 14 and the cylindrical interface 15, and the flat plate interface 14 and;
as shown in fig. 6, the control system comprises a PLC controller 16 and a handheld touch screen 17; PLC controller 16 installs at the 1 back in the frame, and touch-sensitive screen 17 is placed in 1 side in the frame, and PLC controller 16 passes through transmission line connection with handheld touch-sensitive screen 17, and PLC controller 16 control servo motor I2 and servo motor II 10 gather servo motor I2 and servo motor II 10's spacing signal simultaneously.
Example 1
The utility model discloses a shock tunnel model ground strutting arrangement application method as follows:
for the wind tunnel model with the tail part as shown in fig. 7, a flat plate interface 14 is selected, a platform at the tail end of the model is arranged above the flat plate interface 14, two positioning pins are inserted into the second row of through holes, and four M16 bolts are inserted into the first row of through holes and the third row of through holes to be fastened with the model. For the wind tunnel model with the tail portion as shown in fig. 8, a cylindrical interface 15 is selected, a circular hole in the tail portion of the model is sleeved on the cylindrical interface 15, axial positioning of the model and the cylindrical interface 15 is achieved through a cylindrical shaft shoulder and a nut at the other end, and circumferential positioning of the model and the cylindrical interface 15 is achieved by placing an A-shaped flat key in a key groove.
After the model is fastened, the monitoring operation of the equipment, including model lifting, model rolling and the like, can be realized through the man-machine interface of the handheld control screen 17.
When the lifting operation is carried out, the servo motor I2 and the speed reducer I3 drive the screw 5 to roll, and the lifting motion of the sliding plate 8 is realized. Servo motor I2 takes the electromagnetism band-type brake, has the power-off protection function. And a limit switch and a mechanical hard limit are arranged on the sliding plate 8, so that the movement is protected.
When rolling operation is carried out, the servo motor II 10 enables the rotary driving device 12 to rotate through the speed reducer II 11, and full-stroke inching or continuous movement can be realized by arranging a rolling mode on the handheld control screen 17. The rotary driving device 12 is in a worm gear form, has self-locking performance, and is provided with a limit switch to protect the movement process. The servo motor II 10 adopts an encoder and has a band-type brake function.
The control system can realize the following functions:
1) displaying basic state information of the system, such as whether the system is powered on or not, whether the communication is normal or not and the like;
2) displaying the working conditions of the system in real time, such as the motion states of lifting, rolling and the like;
3) operation functions including selection of a movement axis, a movement mode, movement and stop of each mechanism, and the like;
each motion mechanism is provided with functions of mechanical limit, soft limit, alarm, emergency stop and the like, and motion protection can be realized.
Claims (4)
1. A shock tunnel model ground supporting device is characterized in that the supporting device comprises a rack (1), a lifting mechanism, a rolling mechanism and a control system;
the rack (1) is a main body of the supporting device, is a supporting platform of a lifting mechanism, a rolling mechanism and a control system, and is fastened on the ground through bolts on a bottom plate of the rack (1);
the lifting mechanism comprises a servo motor I (2), a speed reducer I (3), a bearing seat (4), a lead screw (5), a guide rail (6), a transmission device (7), a sliding plate (8) and a balancing weight (9), wherein the transmission device (7) comprises two parallel pulleys, two chains penetrating through the pulleys and the balancing weight (9) fixed at the tail end of the chains;
two parallel guide rails (6) in the vertical direction are fixed on a vertical plane of the rack (1), a lead screw (5) parallel to the guide rails (6) is installed in the middle of the two parallel guide rails (6), the upper end and the lower end of the lead screw (5) penetrate through the bearing seat (4) and rotate in the limiting range of the bearing seat (4), the upper end of the lead screw (5) is fixedly connected with the output end of the speed reducer I (3), and the input end of the speed reducer I (3) is fixedly connected with the servo motor I (2);
the sliding plate (8) is clamped on the guide rail (6), the left side and the right side of the upper end of the sliding plate (8) are respectively fixed with two chains of the transmission device (7), threads assembled with the lead screw (5) are arranged on the back of the sliding plate (8), the servo motor I (2) drives the speed reducer I (3) to drive the lead screw (5) to rotate, the lead screw (5) drives the sliding plate (8) to move up and down along the guide rail (6), and the balancing weight (9) ensures that the sliding plate (8) moves stably;
the rolling mechanism comprises a servo motor II (10), a speed reducer II (11), a rotary driving device (12), a disc (13), a flat plate interface (14) and a cylindrical interface (15); the device comprises a rotary driving device (12), a servo motor (10), a rotary driving device (12), a disc (13), a flat interface (14) and a cylindrical interface (15), wherein the rotary driving device (12) is fixed on a sliding plate (8), the rotary driving device (12) is fixedly connected with the output end of a speed reducer II (11), the input end of the speed reducer II (11) is fixedly connected with the servo motor II (10), the servo motor II (10) drives the speed reducer II (11) to drive the rotary driving device (12) to rotate, the rotary driving device (12) is fixedly provided with the disc (13), the vertical plane of the disc (13) is fixedly provided with the flat interface (14) and the cylindrical interface (15), and the flat interface (14) and;
the control system comprises a PLC (programmable logic controller) controller (16) and a handheld touch screen (17); PLC controller (16) are installed at frame (1) back, and touch-sensitive screen (17) are placed in frame (1) side, and PLC controller (16) and handheld touch-sensitive screen (17) pass through transmission line connection, and PLC controller (16) control servo motor I (2) and servo motor II (10), gather the spacing signal of servo motor I (2) and servo motor II (10) simultaneously.
2. The shock tunnel model ground support device according to claim 1, wherein the flat interface (14) is a square platform.
3. The shock tunnel model ground supporting device according to claim 1, wherein the cylindrical interface (15) is a stepped shaft.
4. The shock tunnel model ground support device according to claim 1, wherein the hand-held touch screen (17) is operated by hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965671.XU CN210133843U (en) | 2019-06-26 | 2019-06-26 | Shock tunnel model ground support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965671.XU CN210133843U (en) | 2019-06-26 | 2019-06-26 | Shock tunnel model ground support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210133843U true CN210133843U (en) | 2020-03-10 |
Family
ID=69707034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920965671.XU Withdrawn - After Issue CN210133843U (en) | 2019-06-26 | 2019-06-26 | Shock tunnel model ground support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210133843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228767A (en) * | 2019-06-26 | 2019-09-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of shock tunnel Model A terrestrial support device |
| CN112683484A (en) * | 2021-01-21 | 2021-04-20 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Half-mode supporting mechanism applied to large continuous transonic wind tunnel |
-
2019
- 2019-06-26 CN CN201920965671.XU patent/CN210133843U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228767A (en) * | 2019-06-26 | 2019-09-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of shock tunnel Model A terrestrial support device |
| CN110228767B (en) * | 2019-06-26 | 2023-09-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | Shock tunnel model ground supporting device |
| CN112683484A (en) * | 2021-01-21 | 2021-04-20 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Half-mode supporting mechanism applied to large continuous transonic wind tunnel |
| CN112683484B (en) * | 2021-01-21 | 2022-09-23 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Half-mode supporting mechanism applied to large continuous transonic wind tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200310 Effective date of abandoning: 20230922 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200310 Effective date of abandoning: 20230922 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |