CN220961672U - A test fixture for big dipper antenna - Google Patents

Abstract

The utility model relates to the field of Beidou antennas, in particular to a testing tool for a Beidou antenna. According to the utility model, through the arrangement of the voltage tester, the detection disc, the thread groove, the threaded rod, the point measuring head, the test frame and the wire end test disc, when the device is used for testing the Beidou antenna, as the Beidou antenna needs to be tested and has two main parts of the signal module and the cable connector, the signal module can be directly placed on the test frame, a plurality of groups of point measuring heads connected with the electric wire of the voltage tester pass through the test frame to perform voltage test on the node of the signal module at the bottom of the signal module, and meanwhile, the cable connector can be directly placed on the wire end test disc connected with the electric wire of the voltage tester, and the detection work of the cable connector is completed after the small detection clamping plate is compacted.

Description

A test fixture for big dipper antenna

Technical Field

The utility model relates to the field of Beidou antennas, in particular to a testing tool for a Beidou antenna.

Background

The big dipper antenna is the antenna that is used for receiving big dipper satellite signal, and most big dipper antenna is right-hand polarization ceramic medium, and its component part is: the novel antenna is characterized in that the novel antenna is characterized by comprising a ceramic antenna, a low-noise signal module, a cable and a connector, wherein the ceramic antenna is also called a passive antenna and a dielectric antenna, the novel antenna is a core technology of the Beidou antenna, the signal receiving capability of the Beidou antenna is mostly determined by the component materials of the ceramic part of the novel antenna, the low-noise signal module is a part for amplifying and filtering signals, the component selection of the novel antenna is also important, otherwise, the reflection loss of the novel antenna is increased, the noise is overlarge, the cable is also selected by taking the reflection reduction as a standard, the impedance matching is ensured, the novel antenna needs to detect the performance and the voltage of the novel antenna after production, and the novel antenna is a tool designed and manufactured for electronic product detection, so that the novel antenna plays the roles of rapid and accurate detection, product quality improvement and production efficiency improvement.

Through retrieval, an antenna test fixture with the bulletin number of CN213957448U, in particular to an antenna test fixture, which comprises a rotary tray, a direction rotating piece, a fixture fixing table, a fixture frame and an angle cushion block; the center of the rotary tray is provided with a direction rotating piece which can drive the rotary tray to rotate along the center line of the rotary tray; the bottom of the direction rotating piece is arranged on the tool frame; one end of the tool frame is hinged to the top surface of the tool fixing table; the other end of the tool frame is lapped on the top of the angle cushion block; the top end of the angle cushion block is adjustable in height; the bottom end of the angle cushion block is fixed on the upper surface of the tool fixing table; the antenna is placed on the rotary tray, and the angle cushion block is arranged to drive the rotary tray and the inclination angle of the antenna to change, and then the direction of the antenna is changed by rotating the rotary tray.

According to the Beidou antenna, the inclination angle of the rotating tray and the antenna is changed only through the arrangement of the angle cushion block, so that the direction of the antenna is changed, the structure is simple, the operation is convenient and fast, the adjustment efficiency is high, and therefore, in the testing process of the Beidou antenna, the signal module and the cable connector are required to be tested, one test is performed, the testing efficiency cannot be sufficiently improved during the batch production test, the whole testing time is prolonged, the labor intensity of a detector is increased, and the use of the testing tool is inconvenient for the batch production of the Beidou antenna.

Therefore, it is necessary to invent a test fixture for the Beidou antenna to solve the above problems.

Disclosure of utility model

The utility model aims to provide a testing tool for a Beidou antenna, which realizes the testing work of enabling the Beidou antenna to simultaneously complete two main parts of a signal module and a cable connector through a plurality of groups of point measuring heads and wire head testing discs connected by wires of a voltage tester, enhances the testing range and the testing efficiency of the Beidou antenna by the device, solves the problem that the signal module and the cable connector in the prior art need to be tested, can not fully improve the testing efficiency during mass production testing, prolongs the whole testing time, and increases the labor intensity of a detector so as to be inconvenient for mass production of the Beidou antenna.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a test fixture for big dipper antenna, includes the organism, the inside fixed mounting of organism has the voltage tester, the top fixed mounting of organism has the detection dish, the screw thread groove has been seted up to the surface of detection dish, the inside swing joint of screw thread groove has the threaded rod, the one end fixed mounting of threaded rod has a point gauge head, the top of detecting the dish is provided with the test frame, the top of organism is provided with the mount, one side fixed mounting of mount has first pneumatic cylinder, the inside swing joint of first pneumatic cylinder has first hydraulic stem, the one end fixed mounting of first hydraulic stem has the compaction board.

Preferably, the point measuring head is in threaded connection with the detecting disc through a threaded rod, and the threaded rod is matched with the threaded groove for use.

Preferably, a limiting plate is fixedly arranged above the test frame, one side of the limiting plate is penetrated by a movable screw rod, and one end of the movable screw rod is fixedly provided with a fixed clamping plate.

Preferably, the fixed clamping plate is movably connected with the limiting plate through a movable screw, and the movable screw is symmetrically arranged with the central axis of the limiting plate.

Preferably, one side of the first hydraulic cylinder is provided with a second hydraulic cylinder, a second hydraulic rod is movably connected in the second hydraulic cylinder, and one end of the second hydraulic rod is fixedly provided with a small detection clamping plate.

Preferably, a wire clamp is arranged above the machine body, and a wire head test disc is fixedly arranged in front of the wire clamp.

In the technical scheme, the utility model has the technical effects and advantages that:

1. Through the arrangement of the voltage tester, the detection disc, the thread groove, the threaded rod, the point measuring head, the test rack and the thread end test disc, when the device is used for testing the Beidou antenna, as the Beidou antenna needs to be tested with the signal module and the cable connector, the signal module can be directly placed on the test rack, a plurality of groups of point measuring heads connected with the voltage tester through the wire are used for carrying out voltage testing on the nodes of the signal module through the test rack at the bottom of the signal module, meanwhile, the cable connector can be directly placed on the thread end test disc connected with the wire of the voltage tester, and the detection work of the cable connector is completed after the small detection clamping plates are compacted, so that the Beidou antenna can simultaneously complete the testing work of the signal module and the cable connector under the cooperation, the testing range and the testing efficiency of the Beidou antenna are enhanced, the complex operation of waiting for one test is avoided, the whole testing time is shortened when the batch testing is carried out, and the labor intensity of testers is lightened;

2. Through the setting of test jig, limiting plate, movable screw rod, fixed splint, mount and wire strap clamp, when using the device to carry out test operation to big dipper antenna, because big dipper antenna model size of different batches is different, when meetting the signal module test of equidimension, can be through the movable screw rod of limiting plate both sides on the test jig, manual regulation fixed splint's interval, fix the signal module of equidimension on the spot test head, simultaneously can pass through the wire strap clamp with the electric wire of cable connector and fix on the organism surface, so the cooperation is used down not only has satisfied big dipper antenna test work of most equidimension not, but also has improved the stability in the test process, let the result of test more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for those skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of a detecting disc according to the present utility model;

FIG. 3 is a schematic diagram of a test rack according to the present utility model;

FIG. 4 is a schematic view of a fixing frame according to the present utility model;

fig. 5 is a schematic view of the structure of the wire clip of the present utility model.

Reference numerals illustrate:

1. a body; 2. a voltage tester; 3. a detection disc; 4. a thread groove; 5. a threaded rod; 6. a point measuring head; 7. a test rack; 8. a limiting plate; 9. a movable screw; 10. a fixed clamping plate; 11. a fixing frame; 12. a first hydraulic cylinder; 13. a first hydraulic lever; 14. compacting the plate; 15. a second hydraulic cylinder; 16. a second hydraulic lever; 17. a small detection splint; 18. a wire clip; 19. a wire end test disc.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a test fixture for a Beidou antenna, which is shown in fig. 1-5, and comprises a machine body 1, wherein a voltage tester 2 is fixedly arranged in the machine body 1, a detection disc 3 is fixedly arranged above the machine body 1, a thread groove 4 is formed in the surface of the detection disc 3, a threaded rod 5 is movably connected in the thread groove 4, a point measuring head 6 is fixedly arranged at one end of the threaded rod 5, a test frame 7 is arranged above the detection disc 3, a fixing frame 11 is arranged above the machine body 1, a first hydraulic cylinder 12 is fixedly arranged at one side of the fixing frame 11, a first hydraulic rod 13 is movably connected in the first hydraulic cylinder 12, a compaction plate 14 is fixedly arranged at one end of the first hydraulic rod 13, a signal module can be directly placed on the test frame 7, a plurality of groups of point measuring heads 6 connected with the voltage tester 2 through wires are arranged at the bottom of the test frame 7, meanwhile, a cable connector can be directly placed on a wire head test disc 19 connected with the voltage tester 2, and the detection work of the cable connector is completed after the small detection clamping plate 17 is compacted.

As shown in fig. 1, fig. 2 and fig. 3, the test head 6 is in threaded connection with the detection disc 3 through the threaded rod 5, the threaded rod 5 is matched with the threaded groove 4 for use, the test head 6 can be freely increased or reduced through the threaded groove 4 and the threaded rod 5 according to different signal module node requirements, the limiting plate 8 is fixedly arranged above the test frame 7, one side of the limiting plate 8 is penetrated with the movable screw 9, one end of the movable screw 9 is fixedly provided with the fixed clamping plate 10, the spacing of the fixed clamping plate 10 can be manually adjusted through the movable screw 9 on two sides of the limiting plate 8 on the test frame 7, signal modules with different sizes are fixed on the test head 6, the fixed clamping plate 10 is movably connected with the limiting plate 8 through the movable screw 9, the movable screw 9 is symmetrically arranged with the central axis of the limiting plate 8, the whole structure of the movable screw 9 is simple in operation, the signal modules can be conveniently and rapidly fixed, the dismounting work is carried out, and the normal test time is not delayed.

As shown in fig. 1, fig. 4 and fig. 5, a second hydraulic cylinder 15 is arranged at one side of the first hydraulic cylinder 12, a second hydraulic rod 16 is movably connected in the second hydraulic cylinder 15, a small detection clamping plate 17 is fixedly arranged at one end of the second hydraulic rod 16, the second hydraulic cylinder 15 and the second hydraulic rod 16 drive the small detection clamping plate 17 to descend, a cable joint on the cable joint testing disc 19 is compacted and fixed, a cable clamp 18 is arranged above the machine body 1, the cable joint testing disc 19 is fixedly arranged in front of the cable clamp 18, and an electric wire of the cable joint can be fixed on the surface of the machine body 1 through the cable clamp 18, so that testing work is facilitated.

The working principle of the utility model is as follows: firstly, an external power supply is connected, the Beidou antenna needing to be detected is taken out, the signal module of the Beidou antenna is firstly directly placed on a test frame 7, the distance between fixed clamping plates 10 is manually adjusted through movable screws 9 on two sides of a limiting plate 8 on the test frame 7, the signal modules with different sizes are fixed on a point measuring head 6, then the electric wires of a cable connector are fixed on the surface of a machine body 1 through a wire hoop clamp 18, then a switch of a first hydraulic cylinder 12 is opened, a power source of a hydraulic pump is driven, the hydraulic pump presses hydraulic oil into the first hydraulic cylinder 12, the first hydraulic rod 13 is driven to descend, a compaction plate 14 descends along with the descent to secondarily fix the signal modules, meanwhile, a second hydraulic cylinder 15 and a second hydraulic rod 16 drive a small detection clamping plate 17 to descend, the cable connector on a cable testing disc 19 is compacted and fixed, after the preparation work is finished, the switch of the voltage tester 2 can be opened, a plurality of groups of point measuring heads 6 connected with the electric wires of the voltage tester 2 are used for carrying out voltage testing work on the nodes of the signal module through the testing frame 7, then the wire end testing disc 19 connected with the electric wires of the voltage tester 2 is used for completing the detection work of the cable connector after the small detection clamping plate 17 is compacted, the testing work of two main parts of the signal module and the cable connector is simultaneously completed, the testing range and the testing efficiency of the Beidou antenna are enhanced, finally, after the testing work of all Beidou antennas is completed according to the operation, the switch of the voltage tester 2 is closed, the switch of the first hydraulic cylinder 12 and the switch of the second hydraulic cylinder 15 are closed, and an external power supply can be cut off if the voltage tester 2 is not used for a long time, wherein the model number of the voltage tester 2 is as follows: ADT-1200TK4, the use process of the test fixture for the Beidou antenna is finished.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. A test fixture for big dipper antenna, includes organism (1), its characterized in that: the utility model discloses a voltage tester, including organism (1), detection dish (3) are fixed mounting to the inside of organism (1), thread groove (4) have been seted up on the top fixed mounting of organism (1), the inside swing joint of thread groove (4) has threaded rod (5), the one end fixed mounting of threaded rod (5) has some gauge heads (6), the top of detecting dish (3) is provided with test frame (7), the top of organism (1) is provided with mount (11), one side fixed mounting of mount (11) has first pneumatic cylinder (12), the inside swing joint of first pneumatic cylinder (12) has first hydraulic stem (13), the one end fixed mounting of first hydraulic stem (13) has compaction board (14).

2. The test fixture for the Beidou antenna according to claim 1, wherein: the point measuring head (6) is in threaded connection with the detecting disc (3) through a threaded rod (5), and the threaded rod (5) is matched with the thread groove (4).

3. The test fixture for the Beidou antenna according to claim 1, wherein: the testing device is characterized in that a limiting plate (8) is fixedly arranged above the testing frame (7), a movable screw (9) penetrates through one side of the limiting plate (8), and a fixed clamping plate (10) is fixedly arranged at one end of the movable screw (9).

4. A test fixture for a beidou antenna according to claim 3, characterized in that: the fixed clamping plate (10) is movably connected with the limiting plate (8) through the movable screw rod (9), and the movable screw rod (9) is symmetrically arranged with the central axis of the limiting plate (8).

5. The test fixture for the Beidou antenna according to claim 1, wherein: one side of first pneumatic cylinder (12) is provided with second pneumatic cylinder (15), the inside swing joint of second pneumatic cylinder (15) has second hydraulic stem (16), the one end fixed mounting of second hydraulic stem (16) has little detection splint (17).

6. The test fixture for the Beidou antenna according to claim 1, wherein: a wire clamp (18) is arranged above the machine body (1), and a wire head test disc (19) is fixedly arranged in front of the wire clamp (18).