CN216954933U - Measuring device - Google Patents
Measuring device Download PDFInfo
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- CN216954933U CN216954933U CN202220540498.0U CN202220540498U CN216954933U CN 216954933 U CN216954933 U CN 216954933U CN 202220540498 U CN202220540498 U CN 202220540498U CN 216954933 U CN216954933 U CN 216954933U
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- pressure sensor
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- transmission shaft
- measuring device
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Abstract
The utility model belongs to the technical field of airplanes, and discloses a measuring device which comprises a test bench, a transmission mechanism, a first pressure sensor and a second pressure sensor, wherein the test bench comprises a test seat and a bottom plate connected with the test seat; the transmission mechanism comprises a transmission shaft, a transmission part, a supporting seat and a rocker arm, one end of the transmission shaft is connected to the motor, the other end of the transmission shaft is rotatably connected to the supporting seat through the transmission part, the supporting seat is used for supporting the transmission shaft and the transmission part, and the rocker arm is connected to the transmission part; the transmission shaft can move along the axis direction of the transmission shaft and abuts against the first pressure sensor, so that the first pressure sensor measures the pulling force or the pushing force of the component to be measured; the second pressure sensor is arranged on the bottom plate, the transmission shaft can rotate and drive the transmission part and the rocker arm to rotate, and the rocker arm is abutted to the second pressure sensor so that the second pressure sensor can measure the torsion of the component to be measured.
Description
Technical Field
The utility model relates to the technical field of airplanes, in particular to a measuring device.
Background
The propeller is a device which rotates in air or water by means of blades and converts the rotating power of an engine into propulsive force, and in the research and design process of the unmanned aerial vehicle, the tension and torque data of the propeller are important input conditions for identifying pneumatic parameters of the propeller. At present, a propeller is generally directly fixed on a motor, and then a tension sensor and a static torque sensor are connected in series behind the motor, wherein the tension sensor and the static torque sensor bear tension and torque at the same time, and the test precision is interfered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a measuring device which can measure the tension and the torque of a propeller.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a measuring device, subassembly that awaits measuring includes motor and screw, the screw connect in the output of motor includes:
the test bench comprises a test seat and a bottom plate connected to the test seat;
the transmission mechanism comprises a transmission shaft, a transmission part, a supporting seat and a rocker arm, one end of the transmission shaft is connected to the motor, the other end of the transmission shaft is rotatably connected to the supporting seat through the transmission part, the supporting seat is connected to the bottom plate and is used for supporting the transmission shaft and the transmission part, and the rocker arm is connected to the transmission part;
the transmission shaft can move along the axis direction of the transmission shaft and abuts against the first pressure sensor, so that the first pressure sensor measures the tension or the thrust of the component to be measured;
the transmission shaft can rotate and drive the transmission part and the rocker arm to rotate, so that the rocker arm is abutted to the second pressure sensor, and the second pressure sensor measures the torsion of the component to be measured.
Preferably, a transmission plate is disposed at the other end of the transmission shaft, the transmission part is connected to an end of the transmission plate, and the transmission plate can move along the axial direction of the transmission shaft and abuts against the first pressure sensor.
Preferably, the transmission portion includes the dwang that sets up relatively and connects two the connecting plate of dwang, a pressure sensor is located the driving plate with between the connecting plate, two the dwang connect respectively in the both ends of driving plate, the rocking arm connect in the connecting plate.
Preferably, the measuring device further comprises a first pressure sensor mounting base, and the first pressure sensor is connected to the bottom plate through the first pressure sensor mounting base.
Preferably, the measuring device further comprises a second pressure sensor mounting base, and the second pressure sensor is connected to the bottom plate through the second pressure sensor mounting base.
Preferably, the transmission mechanism further comprises a motor fixing seat, the motor fixing seat is arranged at one end of the transmission shaft, and the transmission shaft is connected to the motor through the motor fixing seat.
Preferably, the supporting seat comprises a first supporting seat and a second supporting seat, the transmission shaft penetrates through the first supporting seat and is in running fit with the first supporting seat, and the second supporting seat is rotationally connected to one end, far away from the transmission shaft, of the transmission part.
Preferably, the first supporting seat is provided with a plurality of supporting seats, and the plurality of supporting seats are all used for supporting the transmission shaft.
Preferably, the measuring device further comprises a carrier, the test bench is arranged on the carrier, the lowest point of the propeller is higher than the highest point of the carrier along the vertical direction, and the carrier is used for driving the test bench to move.
Preferably, the base plate is detachably connected to the test socket.
The utility model has the beneficial effects that:
according to the measuring device provided by the utility model, the motor drives the propeller to rotate, the motor and the propeller can generate pulling force or pushing force on the transmission shaft, and under the action of the pulling force or the pushing force, the transmission shaft can move along the axis direction of the transmission shaft, so that the transmission shaft is abutted against the first pressure sensor, and the first pressure sensor can measure the pulling force or the pushing force; thereby the subassembly that awaits measuring can produce torsion and drive the transmission shaft and rotate, and the transmission shaft drives transmission portion and rotates, and then drives the rocking arm and rotate, thereby the rocking arm can butt in second pressure sensor, thereby the torsion is surveyed to the second pressure sensor. According to the measuring device provided by the utility model, the first pressure sensor and the second pressure sensor are not influenced mutually, so that the measuring precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of a measurement apparatus provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of a transmission mechanism provided in an embodiment of the present invention.
In the figure:
100. a component to be tested; 101. a motor; 102. a propeller;
1. a test bench; 11. a test seat; 12. a base plate;
2. a transmission mechanism; 21. a drive shaft; 22. a transmission section; 221. rotating the rod; 222. a connecting plate; 23. a supporting seat; 231. a first support base; 232. a second support seat; 24. a rocker arm; 25. a drive plate; 26. a motor fixing seat;
3. a first pressure sensor; 31. a first pressure sensor mount;
4. a second pressure sensor; 41. a second pressure sensor mount;
5. a carrier is provided.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment provides a measuring device, as shown in fig. 1 to 3, a to-be-measured assembly 100 includes a motor 101 and a propeller 102, the propeller 102 is connected to an output end of the motor 101, the motor 101 can drive the propeller 102 to rotate, the measuring device includes a test bench 1, a transmission mechanism 2, a first pressure sensor 3 and a second pressure sensor 4, the test bench 1 includes a test base 11 and a bottom plate 12 connected to the test base 11; the transmission mechanism 2 comprises a transmission shaft 21, a transmission part 22, a support seat 23 and a rocker arm 24, one end of the transmission shaft 21 is connected to the motor 101, the other end of the transmission shaft is rotatably connected to the support seat 23 through the transmission part 22, the support seat 23 is connected to the bottom plate 12, the support seat 23 is used for supporting the transmission shaft 21 and the transmission part 22, and the rocker arm 24 is fixedly connected to the transmission part 22; the first pressure sensor 3 is arranged on the bottom plate 12, and the transmission shaft 21 can move along the axial direction and is abutted against the first pressure sensor 3, so that the first pressure sensor 3 measures the pulling force or the pushing force of the component 100 to be measured; the second pressure sensor 4 is disposed on the bottom plate 12, the transmission shaft 21 can rotate and drive the transmission portion 22 to rotate, and the transmission portion 22 drives the rocker arm 24 fixedly connected to the transmission portion 22 to rotate, so that the rocker arm 24 abuts against the second pressure sensor 4, and the second pressure sensor 4 measures the torque of the component 100 to be measured.
In the measuring device provided by this embodiment, the motor 101 of the to-be-measured component 100 drives the propeller 102 to rotate, the motor 101 and the propeller 102 can generate a pulling force or a pushing force to the transmission shaft 21, the transmission shaft 21 can move along the axis direction thereof under the action of the pulling force or the pushing force, so as to abut against the first pressure sensor 3, and the first pressure sensor 3 can measure the magnitude of the pulling force or the pushing force; thereby subassembly 100 that awaits measuring can produce torsion and drive transmission shaft 21 and rotate, and transmission shaft 21 drives transmission portion 22 and rotates, and then drives rocking arm 24 and rotate, and rocking arm 24 can butt in second pressure sensor 4, thereby second pressure sensor 4 measures torsion. According to the measuring device provided by the embodiment, the first pressure sensor 3 and the second pressure sensor 4 are not influenced mutually, dynamic tension measurement is realized, and the testing precision is improved.
Specifically, as shown in fig. 2 and 3, the base plate 12 is detachably attached to the test socket 11. The first mounting hole is formed in the bottom plate 12, the second mounting hole is formed in the test base 11 and is a threaded hole, and the connecting piece sequentially penetrates through the first mounting hole, the second mounting hole and is in threaded connection with the second mounting hole, so that detachable connection of the test base 11 and the bottom plate 12 is achieved. More specifically, the first mounting holes are provided in plurality, the second mounting holes are provided in plurality, the connecting members are provided in plurality, and the plurality of first mounting holes, the plurality of second mounting holes and the plurality of connecting members correspond to one another.
Specifically, as shown in fig. 1, the measuring device further includes a carrier 5, the test bench 1 is disposed on the carrier 5, and the lowest point of the propeller 102 is higher than the highest point of the carrier 5 along the vertical direction, so as to ensure that the airflow at the propeller 102 is not interfered by the carrier 5, the carrier 5 is used for driving the test bench 1 to move, the vehicle speed can be changed according to the test requirement, and the feedback data of the component 100 to be tested at different flow speeds is simulated. In the present embodiment, the vehicle 5 is an automobile.
Specifically, as shown in fig. 2 and 3, a transmission plate 25 is disposed at the other end of the transmission shaft 21, the transmission part 22 is connected to an end of the transmission plate 25, the connection position of the transmission part 22 is prevented from affecting the measurement result of the first pressure sensor 3, the transmission plate 25 can move along the axis direction of the transmission shaft 21 and abut against the first pressure sensor 3, and the pulling force or the pushing force generated by the component 100 to be measured is transmitted to the first pressure sensor 3 through the transmission shaft 21 and the transmission plate 25, so that the first pressure sensor 3 can measure the pulling force or the pushing force conveniently.
Specifically, as shown in fig. 2 and fig. 3, the transmission portion 22 includes a rotation rod 221 and a connection plate 222, which are oppositely disposed, and connect the two rotation rods 221, the first pressure sensor 3 is located between the transmission plate 25 and the connection plate 222 and between the two rotation rods 221, the two rotation rods 221 are respectively connected to two ends of the transmission plate 25, the rocker arm 24 is fixedly connected to the connection plate 222, the transmission shaft 21 rotates to drive the transmission plate 25 to rotate, the transmission plate 25 rotates to drive the rotation rod 221 to rotate, the rotation rod 221 rotates to drive the connection plate 222 to rotate, and then the rocker arm 24 is driven to rotate, so that the rocker arm 24 can be far away from the second pressure sensor 4 or be close to and act on the second pressure sensor 4.
Specifically, as shown in fig. 2 and 3, the measuring device further includes a first pressure sensor mount 31, and the first pressure sensor 3 is connected to the base plate 12 through the first pressure sensor mount 31. The first pressure sensor mounting seat 31 is detachably connected to the bottom plate 12 and located between the transmission plate 25 and the connection plate 222 and between the two rotation rods 221, the first pressure sensor 3 is disposed on the first pressure sensor mounting seat 31, and in some embodiments, the height of the first pressure sensor mounting seat 31 is adjustable, so as to measure the pulling force or pushing force of the component 100 to be measured.
Specifically, as shown in fig. 2 and 3, the measuring device further includes a second pressure sensor mount 41, and the second pressure sensor 4 is connected to the base plate 12 through the second pressure sensor mount 41. The second pressure sensor mounting base 41 is detachably connected to the bottom plate 12 and is arranged close to the end portion of the rocker arm 24, and the second pressure sensor 4 is arranged on the second pressure sensor mounting base 41, so that the rocker arm 24 can be abutted to the second pressure sensor 4. And in some embodiments, the height of the second pressure sensor mounting seat 41 is adjustable, so as to measure the rotation torque of the component 100 to be measured.
Specifically, as shown in fig. 2 and fig. 3, the supporting seat 23 includes a first supporting seat 231 and a second supporting seat 232, both the first supporting seat 231 and the second supporting seat 232 are detachably connected to the bottom plate 12, the transmission shaft 21 passes through the first supporting seat 231 and is rotatably engaged with the first supporting seat 231, the first supporting seat 231 is used for supporting the transmission shaft 21, the second supporting seat 232 is rotatably connected to an end of the transmission part 22 far away from the transmission shaft 21, and the second supporting seat 232 is used for supporting the transmission part 22. More specifically, the first supporting seats 231 are provided in plural, and the plural first supporting seats 231 are all used for supporting the transmission shaft 21, so as to prevent the transmission shaft 21 from abutting against the bottom plate 12 and affecting the measurement result. In the present embodiment, two first supporting seats 231 are provided.
Specifically, as shown in fig. 2 and fig. 3, the transmission mechanism 2 further includes a motor fixing seat 26, the motor fixing seat 26 is disposed at one end of the transmission shaft 21, and the transmission shaft 21 is connected to the motor 101 through the motor fixing seat 26, so as to ensure the connection strength and the connection stability of the motor 101 and the transmission shaft 21.
In the description of the present embodiments, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A measuring device, a component (100) to be measured comprising a motor (101) and a propeller (102), said propeller (102) being connected to an output of said motor (101), comprising:
the test bench (1) comprises a test seat (11) and a bottom plate (12) connected to the test seat (11);
the transmission mechanism (2) comprises a transmission shaft (21), a transmission part (22), a support seat (23) and a rocker arm (24), one end of the transmission shaft (21) is connected to the motor (101), the other end of the transmission shaft is rotatably connected to the support seat (23) through the transmission part (22), the support seat (23) is connected to the bottom plate (12), the support seat (23) is used for supporting the transmission shaft (21) and the transmission part (22), and the rocker arm (24) is connected to the transmission part (22);
the first pressure sensor (3) is arranged on the bottom plate (12), the transmission shaft (21) can move along the axis direction of the transmission shaft and abuts against the first pressure sensor (3), so that the first pressure sensor (3) can measure the pulling force or the pushing force of the component to be measured (100);
second pressure sensor (4), set up on bottom plate (12), transmission shaft (21) can rotate and drive transmission portion (22) with rocking arm (24) rotate, make rocking arm (24) butt in second pressure sensor (4), so that second pressure sensor (4) measure the torsion of subassembly (100) that awaits measuring.
2. The measuring device according to claim 1, characterized in that the other end of the transmission shaft (21) is provided with a transmission plate (25), the transmission part (22) is connected to an end of the transmission plate (25), and the transmission plate (25) is movable in the axial direction of the transmission shaft (21) and abuts against the first pressure sensor (3).
3. The measuring device according to claim 2, wherein the transmission portion (22) includes a rotation rod (221) and a connection plate (222) connecting the two rotation rods (221), the rotation rod (221) is disposed opposite to each other, the first pressure sensor (3) is disposed between the transmission plate (25) and the connection plate (222), the two rotation rods (221) are respectively connected to both ends of the transmission plate (25), and the swing arm (24) is connected to the connection plate (222).
4. The measuring device according to claim 1, further comprising a first pressure sensor mount (31), the first pressure sensor (3) being connected to the base plate (12) by the first pressure sensor mount (31).
5. The measuring device according to claim 1, further comprising a second pressure sensor mount (41), the second pressure sensor (4) being connected to the base plate (12) by the second pressure sensor mount (41).
6. The measuring device according to claim 1, wherein the transmission mechanism (2) further comprises a motor fixing seat (26), the motor fixing seat (26) is disposed at one end of the transmission shaft (21), and the transmission shaft (21) is connected to the motor (101) through the motor fixing seat (26).
7. The measuring device according to claim 1, wherein the support base (23) comprises a first support base (231) and a second support base (232), the transmission shaft (21) passes through the first support base (231) and is rotatably engaged with the first support base (231), and the second support base (232) is rotatably connected to an end of the transmission portion (22) away from the transmission shaft (21).
8. The measuring device according to claim 7, wherein the first supporting seat (231) is provided in plurality, and each of the plurality of first supporting seats (231) is used for supporting the transmission shaft (21).
9. The measuring device according to claim 1, further comprising a carrier (5), wherein the test bench (1) is disposed on the carrier (5), and a lowest point of the propeller (102) is higher than a highest point of the carrier (5) along a vertical direction, and the carrier (5) is used for driving the test bench (1) to move.
10. A measuring device according to claim 1, characterized in that the base plate (12) is detachably connected to the test socket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540498.0U CN216954933U (en) | 2022-03-14 | 2022-03-14 | Measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540498.0U CN216954933U (en) | 2022-03-14 | 2022-03-14 | Measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN216954933U true CN216954933U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220540498.0U Active CN216954933U (en) | 2022-03-14 | 2022-03-14 | Measuring device |
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| CN (1) | CN216954933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030216A (en) * | 2023-06-30 | 2023-11-10 | 河北天启通宇航空器材科技发展有限公司 | Rotor blade finished product detection device |
-
2022
- 2022-03-14 CN CN202220540498.0U patent/CN216954933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030216A (en) * | 2023-06-30 | 2023-11-10 | 河北天启通宇航空器材科技发展有限公司 | Rotor blade finished product detection device |
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