CN212622678U - Test fixture for microwave power amplifier - Google Patents
Test fixture for microwave power amplifier Download PDFInfo
- Publication number
- CN212622678U CN212622678U CN202020300288.5U CN202020300288U CN212622678U CN 212622678 U CN212622678 U CN 212622678U CN 202020300288 U CN202020300288 U CN 202020300288U CN 212622678 U CN212622678 U CN 212622678U
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- Prior art keywords
- base
- fixedly connected
- power amplifier
- microwave power
- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims 1
- 238000011017 operating method Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Microwave Amplifiers (AREA)
Abstract
The utility model discloses a test fixture for microwave power amplifier, which comprises a base, fixed mounting has actuating mechanism in the base, actuating mechanism includes driving piece and driving medium, driving piece and driving medium fixed connection, the one end fixedly connected with elevating system of base is kept away from to the driving medium, elevating system includes backup pad, arc frame and accepting table, bolt and backup pad fixed connection are passed through to the one end that the arc frame is close to the base, the one end and the accepting table welding of base are kept away from to the arc frame, elevating system rotates and is connected with rotary mechanism, rotary mechanism includes dwang, cam and fastener. The utility model discloses simple structure, convenient operation through setting up cam-type rotary fixture, can be more convenient carry out the centre gripping to microwave power amplifier, reduces loaded down with trivial details operating procedure, improves work efficiency, increases power amplifier's stability and measuring accuracy.
Description
Technical Field
The utility model relates to a microwave communication technical field especially relates to a test fixture for microwave power amplifier.
Background
With the development of communication technology, the function of the microwave power amplifier in a wireless communication system is continuously amplified, and the requirement on the microwave power amplifier is continuously improved, so that the microwave power amplifier is very important to test. Nowadays, the testing of microwave power amplifiers is usually performed by a test fixture, but with the progress of technology and different practical requirements, the requirements of the test fixture are increasing.
The microwave power amplifier test fixture in the prior art is stable in clamping through a mode of fixing a plurality of surfaces, but the problems of inconvenient operation, small application range, poor heat dissipation effect and the like inevitably exist in the technologies, and the economic benefit is influenced while the working efficiency is reduced.
To this end, we propose a test fixture for microwave power amplifiers to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the inconvenient range of application of test fixture operation is little among the prior art, and the test fixture who provides for microwave power amplifier.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a test fixture for microwave power amplifier, includes the base, fixed mounting has actuating mechanism in the base, actuating mechanism includes driving piece and driving medium, driving piece and driving medium fixed connection, the one end fixedly connected with elevating system of base is kept away from to the driving medium, elevating system includes backup pad, arc frame and cushion cap, bolt and backup pad fixed connection are passed through to the one end that the arc frame is close to the base, the one end and the cushion cap welding of base are kept away from to the arc frame, elevating system rotates and is connected with rotary mechanism, rotary mechanism includes dwang, cam and fastener, the dwang is close to the one end and the pedestal rotation connection of base, the coaxial fixed connection of cam and dwang, fastener and dwang fixed connection.
Preferably, the driving piece includes knob, worm wheel and drive bearing, the one end and the knob fixed connection of worm, the other end and the drive bearing of worm rotate to be connected, drive bearing fixed connection is on the base, worm and worm wheel intermeshing are connected.
Preferably, the transmission part comprises a threaded sleeve and a threaded rod which are meshed with each other, the threaded sleeve and the worm wheel are fixedly connected coaxially, and one end, far away from the base, of the threaded rod is fixedly connected with the supporting plate.
Preferably, the fastener includes fastening block and ball structure, ball structure and dwang fixed connection, the ball structure is close to the one end and the fastening block fixed connection that hold the platform, the one end fixedly connected with rubber layer of dwang is kept away from to the fastening block.
Preferably, the cam is rotatably connected with the arc-shaped frame, and a plurality of groups of circular heat dissipation holes are formed in the bearing table.
Preferably, the ball screw structure includes ball, nut, lead screw and adjusting bearing, the nut passes through ball and lead screw roll connection, adjusting bearing and dwang fixed connection, the lead screw is kept away from the one end and the fastening block fixed connection of dwang.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up cam rotation type test fixture, effectively solve the loaded down with trivial details step of ordinary test fixture multiaspect operation when carrying out work to microwave power amplifier, reduce intensity of labour, improve work efficiency, this test fixture easy operation simultaneously can be used in multiple occasion, need not install like ordinary test fixture centre gripping earlier, can accomplish completely that the fixture is installed earlier and then carry out centre gripping and fine setting to microwave power amplifier, has improved test fixture's application scope, has increased test fixture's functionality;
2. the utility model can provide heat dissipation effect when the microwave power amplifier works by arranging the bearing platform with the circular heat dissipation holes inside, thereby ensuring the normal work of the microwave power amplifier, reducing the damage of components and parts and prolonging the service life;
3. the utility model discloses a set up the fine setting closing device of ball structure, effectively carry out further clamp to the less microwave power amplifier of volume tightly, guarantee that microwave power amplifier is carrying out the stability and the measuring accuracy of work.
Drawings
Fig. 1 is a schematic structural diagram of a test fixture for a microwave power amplifier according to the present invention;
fig. 2 is a schematic structural diagram of a driving mechanism provided by the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 1.
In the figure: the device comprises a base 1, a driving mechanism 2, a driving member 21, a rotating button 211, a worm 212, a worm wheel 213, a driving bearing 214, a transmission member 22, a thread bush 221, a threaded rod 222, a lifting mechanism 3, a supporting plate 31, an arc frame 32, a bearing table 33, a rotating mechanism 4, a rotating rod 41, a cam 42, a fastener 43, a fastening block 431, a rubber layer 4311, a ball screw structure 432, a ball 4321, a nut 4322, a screw 4323 and an adjusting bearing 4324.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a test fixture for a microwave power amplifier comprises a base 1, a driving mechanism 2 is fixedly installed in the base 1, the driving mechanism 2 comprises a driving part 21 and a transmission part 22, and the driving part 21 is fixedly connected with the transmission part 22.
Specifically, the driving member 21 includes a rotation knob 211, a worm 212, a worm wheel 213 and a driving bearing 214, one end of the worm 212 is fixedly connected to the rotation knob 211, the other end of the worm 212 is rotatably connected to the driving bearing 214, the driving bearing 214 is fixedly connected to the base 1, and the worm 212 and the worm wheel 213 are engaged with each other. The transmission member 22 comprises a threaded sleeve 221 and a threaded rod 222 which are meshed with each other, and the threaded sleeve 221 and the worm wheel 213 are coaxially and fixedly connected.
Further, one end of the transmission member 22, which is far away from the base 1, is fixedly connected with an elevating mechanism 3, the elevating mechanism 3 includes a support plate 31, an arc-shaped frame 32 and a receiving platform 33, it should be noted that one end of the transmission member 22, which is far away from the base 1 through a threaded rod 222, is fixedly connected with the support plate 31, one end of the arc-shaped frame 32, which is close to the base 1, is fixedly connected with the support plate 31 through a bolt, and one end of the arc-shaped frame 32, which is far away from the base 1.
Furthermore, a plurality of sets of circular heat dissipation holes are formed in the receiving platform 33.
Further, the lifting mechanism 3 is rotatably connected with the rotating mechanism 4, the rotating mechanism 4 includes a rotating rod 41, a cam 42 and a fastening member 43, it is worth mentioning that the lifting mechanism 3 is rotatably connected with the cam 42 through the arc frame 32, one end of the rotating rod 41 close to the base 1 is rotatably connected with the base 1, the cam 42 is coaxially and fixedly connected with the rotating rod 41, and the fastening member 43 is fixedly connected with the rotating rod 41.
Specifically, fastener 43 includes fastening block 431 and ball screw structure 432, ball screw structure 432 and dwang 41 fixed connection, and ball screw structure 432 is close to the one end and the fastening block 431 fixed connection of accepting platform 33, and the one end fixedly connected with rubber layer 4311 of dwang 41 is kept away from to fastening block 431, and rubber layer 4311 guarantees that fastening block 431 can not harm microwave power amplifier when compressing tightly, plays the guard action.
More specifically, the ball screw structure 432 includes a ball 4321, a nut 4322, a screw 4323 and an adjusting bearing 4324, the nut 4322 is connected with the screw 4323 by the ball 4321, the adjusting bearing 4324 is fixedly connected with the rotating rod 41, and an end of the screw 4323 away from the rotating rod 41 is fixedly connected with the fastening block 431.
Now, the operation principle of the present invention is described as follows:
when the utility model is used, the rotary knob 211 of the rotary driving member 21, the rotary knob 211 drives the worm wheel 213 connected by meshing through the worm 212 to rotate, the thread bushing 221 connected with the worm wheel 213 coaxially and fixedly follows the rotation, the threaded rod 222 engaged with the thread bushing 221 carries out the lifting motion, one end of the threaded rod 222 far away from the base 1 is fixedly connected with the lifting mechanism 3, the lifting mechanism 3 starts to work under the driving of the threaded rod 222, in the motion process of the lifting mechanism 3, the arc frame 32 can contact with the cam 42 connected by rotation, the cam 42 rotates along with the motion of the arc frame 32, one end of the rotating rod 41 connected with the cam 42 coaxially and fixedly far away from the base 1 can expand to the end far away from the lifting mechanism 3 along with the rotation of the cam 42, when one end of the rotating rod 41 far away from the base 1 expands to a certain degree, the microwave power amplifier needing to be clamped is placed on the receiving platform 33, continuing to rotate the knob 211 and making the dwang 41 return to the initial condition, the fastener 43 through fixed connection on the dwang 41 carries out fine setting according to microwave power amplifier's size to a certain extent and presss from both sides tightly, accomplishes the clamping operation, guarantees power amplifier job stabilization nature and test accuracy. This anchor clamps can optimize the solution to a certain extent according to service environment's difference, breaks away from loaded down with trivial details nature and the centre gripping order of traditional anchor clamps operation, can fix test fixture earlier, carries out the centre gripping to microwave power amplifier again, easy operation convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a test fixture for microwave power amplifier, includes base (1), its characterized in that, fixed mounting has actuating mechanism (2) in base (1), actuating mechanism (2) are including driving piece (21) and driving medium (22), driving piece (21) and driving medium (22) fixed connection, one end fixedly connected with elevating system (3) of base (1) are kept away from in driving medium (22), elevating system (3) are including backup pad (31), arc frame (32) and receiving platform (33), bolt and backup pad (31) fixed connection are passed through to the one end that arc frame (32) are close to base (1), the one end and receiving platform (33) welding of base (1) are kept away from in arc frame (32), elevating system (3) rotate and are connected with rotary mechanism (4), rotary mechanism (4) include dwang (41) } dwang (41), Cam (42) and fastener (43), the one end and base (1) rotation that dwang (41) are close to base (1) are connected, cam (42) and the coaxial fixed connection of dwang (41), fastener (43) and dwang (41) fixed connection.
2. The test fixture for the microwave power amplifier as claimed in claim 1, wherein the driving member (21) comprises a rotation knob (211), a worm (212), a worm wheel (213) and a driving bearing (214), one end of the worm (212) is fixedly connected with the rotation knob (211), the other end of the worm (212) is rotatably connected with the driving bearing (214), the driving bearing (214) is fixedly connected with the base (1), and the worm (212) and the worm wheel (213) are meshed with each other.
3. A test fixture for a microwave power amplifier according to claim 2, characterized in that the transmission member (22) comprises a threaded sleeve (221) and a threaded rod (222) which are engaged with each other, the threaded sleeve (221) and the worm wheel (213) are fixedly connected coaxially, and an end of the threaded rod (222) away from the base (1) is fixedly connected with the support plate (31).
4. The test fixture for the microwave power amplifier according to claim 1, wherein the fastening member (43) comprises a fastening block (431) and a ball screw structure (432), the ball screw structure (432) is fixedly connected with the rotating rod (41), one end of the ball screw structure (432) close to the receiving platform (33) is fixedly connected with the fastening block (431), and one end of the fastening block (431) far away from the rotating rod (41) is fixedly connected with a rubber layer (4311).
5. The test fixture for microwave power amplifiers as claimed in claim 1, wherein the cam (42) is rotatably connected with the arc-shaped frame (32), and a plurality of sets of circular heat dissipation holes are arranged in the receiving table (33).
6. The test fixture for the microwave power amplifier according to claim 4, wherein the ball screw structure (432) comprises a ball (4321), a nut (4322), a screw (4323) and an adjusting bearing (4324), the nut (4322) is in rolling connection with the ball (4321) and the screw (4323), the adjusting bearing (4324) is fixedly connected with the rotating rod (41), and one end of the screw (4323) far away from the rotating rod (41) is fixedly connected with the fastening block (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300288.5U CN212622678U (en) | 2020-03-12 | 2020-03-12 | Test fixture for microwave power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300288.5U CN212622678U (en) | 2020-03-12 | 2020-03-12 | Test fixture for microwave power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212622678U true CN212622678U (en) | 2021-02-26 |
Family
ID=74708854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300288.5U Expired - Fee Related CN212622678U (en) | 2020-03-12 | 2020-03-12 | Test fixture for microwave power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212622678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934243A (en) * | 2022-05-26 | 2022-08-23 | 吴亮东 | Auxiliary heat dissipation device for aluminum profile |
-
2020
- 2020-03-12 CN CN202020300288.5U patent/CN212622678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934243A (en) * | 2022-05-26 | 2022-08-23 | 吴亮东 | Auxiliary heat dissipation device for aluminum profile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |