CN215116523U

CN215116523U - Darkroom revolving stage with shielding structure

Info

Publication number: CN215116523U
Application number: CN202121206246.6U
Authority: CN
Inventors: 黄幼松
Original assignee: Yice Technology Co ltd
Current assignee: Yice Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-10
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a darkroom revolving stage with shielding structure, which comprises a base, wherein the base is arranged at the bottom end inside the darkroom, the inside of the base is rotatably connected with a round table which is driven to rotate by a motor, the motor is arranged in a metal shielding box at the top end inside the base, and wave-absorbing cotton is uniformly distributed on the inner wall of the metal shielding box; the utility model discloses a metal shielding box carries out dual shielding with inhaling ripples cotton to the motor, thereby avoid the electric wave that produces in the motor working process to probably cause the influence to the test of sample, fix a position fixedly and lock the limiting plate through the bolt to the sample through the limiting plate, make the sample avoid taking place crooked and displacement rotating the in-process, thereby guarantee the accuracy of testing result, it is spacing to extrude the sliding sleeve through spacing spring, thereby make the square plate play the cushioning effect to the sample under the effect of bracing piece, and then avoid constructing the problem of damage to the platform body and its driving machine easily when sample weight is too big, has higher practicality.

Description

Darkroom revolving stage with shielding structure

Technical Field

The utility model relates to an anechoic chamber equipment technical field especially relates to a darkroom revolving stage with shielding structure.

Background

The anechoic chamber is a closed shielding chamber which is mainly used for simulating an open field and is used for radiating radio disturbance and measuring radiation sensitivity, the size of the anechoic chamber and the selection of radio frequency wave-absorbing materials are mainly determined by the dimension of an external line of a tested device and test requirements and are divided into a 1m method, a 3m method or a 10m method, the anechoic chamber mainly comprises a shielding chamber and wave-absorbing materials, the shielding chamber comprises a shielding shell, a shielding door, a ventilation waveguide window, various power filters and the like, the shielding shell can adopt a welding type or assembling type structure according to user requirements, and a sample to be tested needs to be turned by a rotary table in the using process of the anechoic chamber;

current darkroom revolving stage all single structure, it is rotatory generally through motor direct drive, and do not shield the protection to the motor, the electric wave that leads to producing in the motor working process can cause the influence to the test of sample, and current darkroom revolving stage can not carry out spacing fixed to the sample, lead to the sample to take place crooked and displacement easily in rotating the in-process, thereby influence the testing result, current darkroom revolving stage all is fixed structure in addition, can not possess buffer structure, thereby constitute certain damage to revolving stage and driving machine easily when sample weight is too big, and then reduced the life of revolving stage, the practicality is not high, therefore, the utility model provides a darkroom revolving stage with shielding structure is used for solving the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the problem, an object of the utility model is to provide a darkroom revolving stage with shielding structure, this darkroom revolving stage with shielding structure carries out dual shielding through metal shielding box and ripples cotton to the motor with inhaling, thereby avoid the electric wave that produces in the motor working process to probably cause the influence to the test of sample, fix a position fixedly and lock the limiting plate through the bolt to the sample through the limiting plate, make the sample avoid taking place crooked and displacement rotating the in-process, it is spacing to extrude the sliding sleeve through spacing spring, thereby make the square slab play the cushioning effect to the sample under the effect of bracing piece.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: a darkroom turntable with a shielding structure comprises a base, wherein the base is arranged at the bottom end in a darkroom, the inner part of the base is rotatably connected with a round table which is driven to rotate by a motor, the motor is arranged in a metal shielding box at the top end of the inner part of the base, wave-absorbing cotton is uniformly distributed on the inner wall of the metal shielding box, a square plate is connected to the inner side of the round table in a sliding manner, the four sides of the bottom end of the square plate are respectively fixed with a first hinge seat, the bottom end in the circular truncated cone is provided with a groove positioned below the first hinge seat, a sliding rod is arranged in the groove, sliding sleeves are sleeved on two sides of the sliding rod in a sliding manner, a second hinge seat is fixed at the top ends of the sliding sleeves, articulated between first articulated seat and the articulated seat of second have the bracing piece, the sliding sleeve is established through the movable sleeve with the one end of first articulated seat there and is connected with the recess inner wall with the spacing spring on the slide bar, square plate top sliding connection has the limiting plate.

The further improvement lies in that: the limiting plate is cross-shaped and symmetrically distributed at the top end of the square plate, a T-shaped sliding block is fixed at the bottom end of the limiting plate, and a T-shaped sliding rail matched with the T-shaped sliding block is arranged at the top end of the square plate.

The further improvement lies in that: one side of the limiting plate, which is far away from the first hinged seat, is fixed with a positioning plate, a bolt penetrates through the positioning plate in a sliding manner, and a slot matched with the bolt is formed in the bottom end of the T-shaped sliding rail.

The further improvement lies in that: the bottom end of the round platform is fixed with a rotating shaft, the bottom end of the rotating shaft is rotatably connected with the bottom end inside the base through a bearing, a gear is arranged on the lower portion of the rotating shaft, and the output end of the motor penetrates through the metal shielding box through the bearing and is connected with a worm meshed with the gear.

The further improvement lies in that: the base is characterized in that an annular groove is formed in the inner wall of the base, balls are uniformly distributed at the bottom end inside the annular groove, and a support ring matched with the annular groove is arranged on the fixed rod on the outer wall of the circular truncated cone.

The further improvement lies in that: the limiting block is fixed at the bottom end of the sliding sleeve, and the limiting groove matched with the limiting block is formed in the bottom end of the groove.

The utility model has the advantages that: the utility model discloses a base, carry out dual shielding through metal shielding box and ripples cotton to the motor, thereby avoid the electric wave that produces in the motor working process to probably cause the influence to the test of sample, fix a position fixedly and lock the limiting plate through the bolt to the sample through the limiting plate, make the sample avoid taking place crooked and displacement rotating the in-process, thereby guarantee the accuracy of testing result, it is spacing to extrude the sliding sleeve through spacing spring, thereby make the square plate play the cushioning effect to the sample under the effect of bracing piece, and then avoid constructing the problem of damage to the revolving stage body and its driving machine easily when sample weight is too big, the life of revolving stage has been improved to a certain extent, and has higher practicality.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

Wherein: 1. a base; 2. a motor; 3. a circular truncated cone; 4. a metal shield case; 5. wave-absorbing cotton; 6. a square plate; 7. a first hinge mount; 8. a groove; 9. a slide bar; 10. a sliding sleeve; 11. a second hinge mount; 12. a support bar; 13. a limiting spring; 14. a limiting plate; 15. a T-shaped slider; 16. a T-shaped slide rail; 17. positioning a plate; 18. a bolt; 19. a slot; 20. a rotating shaft; 21. a gear; 22. a worm; 23. an annular groove; 24. a support ring; 25. a limiting block; 26. a limiting groove; 27. a ferrite plate; 28. a magnesium alloy sheet.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

Example one

According to the figures 1, 2 and 3, the embodiment provides a darkroom turntable with a shielding structure, which comprises a base 1, wherein the base 1 is arranged at the bottom end inside a darkroom, a round table 3 driven to rotate by a motor 2 is rotatably connected inside the base 1, the motor 2 is arranged in a metal shielding box 4 at the top end inside the base 1, wave-absorbing cotton 5 is uniformly distributed on the inner wall of the metal shielding box 4, the motor 2 is doubly shielded by the metal shielding box 4 and the wave-absorbing cotton 5, so that electric waves generated in the working process of the motor are prevented from possibly influencing the test of a sample, a square plate 6 is slidably connected inside the round table 3, first hinged seats 7 are fixed at four sides of the bottom end of the square plate 6, a groove 8 positioned below the first hinged seat 7 is formed at the bottom end inside the round table 3, a slide rod 9 is arranged inside the groove 8, and sliding sleeves 10 at two sides of the slide rod 9, sliding sleeve 10 top is fixed with the articulated seat of second 11, it has bracing piece 12 to articulate between the articulated seat of first 7 and the articulated seat of second 11, sliding sleeve 10 and there the one end of first articulated seat 7 establish through the movable sleeve with slide bar 9 on spacing spring 13 and the 8 inner wall connections of recess, extrude sliding sleeve 10 spacing through spacing spring 13, thereby make square plate 6 play the cushioning effect to the sample under bracing piece 12's effect, and then avoid constructing the problem of damage to the revolving stage body and its driving machine easily when sample weight is too big, improved the life of revolving stage to a certain extent, 6 top sliding connection of square plate has limiting plate 14, fixes a position fixedly through limiting plate 14 to the sample, makes the sample avoid taking place crooked and displacement at the rotation in-process, thereby guarantees the accuracy of testing result.

The limiting plates 14 are symmetrically distributed on the top end of the square plate 6 in a cross shape, T-shaped sliders 15 are fixed at the bottom ends of the limiting plates 14, T-shaped sliding rails 16 matched with the T-shaped sliders 15 are arranged at the top end of the square plate 6, and therefore the limiting plates 14 can slide on the square plate 6 conveniently.

One side of the limiting plate 14, which is far away from the first hinged seat 7, is fixed with a positioning plate 17, a bolt 18 penetrates through the positioning plate 17 in a sliding manner, a slot 19 matched with the bolt 18 is formed in the bottom end of the T-shaped sliding rail 16, and the positioning and fixing of the limiting plate 14 are realized by inserting the bolt 18 into the slot 19.

3 bottom mounting of round platform has pivot 20, the bottom of pivot 20 is passed through the bearing and is connected with the inside bottom rotation of base 1, 20 lower parts of pivot are equipped with gear 21, the output of motor 2 runs through metal shielding box 4 through the bearing and is connected with the worm 22 with gear 21 meshing, drives worm 22 through motor 2 and drives gear 21 and rotate, drives pivot 20 by gear 21 again and rotates.

The inner wall of the base 1 is provided with an annular groove 23, the bottom end inside the annular groove 23 is uniformly distributed with balls, a support ring 24 matched with the annular groove 23 is arranged on a fixed rod on the outer wall of the round platform 3, a certain supporting effect is achieved on the round platform 3, and meanwhile, the round platform 3 can rotate more smoothly.

The bottom end of the sliding sleeve 10 is fixed with a limiting block 25, and the bottom end inside the groove 8 is provided with a limiting groove 26 matched with the limiting block 25, so that the sliding sleeve 10 is more stable in the moving process.

The circular truncated cone 3 below is equipped with circular shape ferrite plate 27, the outer wall of ferrite plate 27 and the inner wall connection of base 1, the inner wall of ferrite plate 27 passes through rolling bearing and is connected with the rotation of pivot 20 rotation, further shields the separation to motor 2 and sample.

The top of round platform 3 and square slab 6 all is fixed with magnesium alloy plate 28, plays certain shielding effect to motor 2, all set up the logical groove that matches with T type slider 15 on magnesium alloy plate 28 and the round platform 3, be convenient for install and take off limiting plate 14.

Place the 6 tops of square plate with the sample that awaits measuring earlier during the use, square plate 6 plays the cushioning effect to the sample under the effect of sliding sleeve 10 and spacing spring 13 this moment, avoid the sample overweight and damage revolving stage body and actuating mechanism, remove limiting plate 14 around the sample after that, insert 18 insert slot 19 with the bolt simultaneously and utilize limiting plate 14 to carry out spacing fixed to the sample, 2 drive worms 22 of starter motor rotate afterwards, worm 22 drives the gear 21 rotation of meshing with it again, gear 21 drives round platform 3 and square plate 6 again and rotates, with the rotation that realizes the sample, metal shielding box 4 and ripples cotton 5 can shield motor 2 this moment, close the darkroom door at last and detect the sample.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A darkroom revolving stage with shielding structure, includes base (1), its characterized in that: the base (1) is arranged at the bottom end inside a darkroom, the base (1) is rotatably connected with a round table (3) which is driven to rotate by a motor (2), the motor (2) is arranged in a metal shielding box (4) at the top end inside the base (1), wave-absorbing cotton (5) is uniformly distributed on the inner wall of the metal shielding box (4), a square plate (6) is slidably connected to the inner side of the round table (3), first hinged seats (7) are fixed at the four sides of the bottom end of the square plate (6), a groove (8) below the first hinged seat (7) is formed in the bottom end inside the round table (3), a sliding rod (9) is arranged inside the groove (8), sliding sleeves (10) are slidably sleeved on the two sides of the sliding rod (9), a second hinged seat (11) is fixed at the top end of the sliding sleeve (10), and a support rod (12) is hinged between the first hinged seat (7) and the second hinged seat (11), the sliding sleeve (10) and one end of the first hinged seat (7) are connected with the inner wall of the groove (8) through a limiting spring (13) arranged on the sliding rod (9) in a sleeved mode, and a limiting plate (14) is connected to the top end of the square plate (6) in a sliding mode.

2. A darkroom turntable with shielding structure according to claim 1, wherein: limiting plate (14) are cross symmetric distribution on square plate (6) top, limiting plate (14) bottom mounting has T type slider (15), T type slide rail (16) that match with T type slider (15) are seted up on square plate (6) top.

3. A darkroom turntable with shielding structure according to claim 2, wherein: one side that limiting plate (14) kept away from first articulated seat (7) is fixed with locating plate (17), it has bolt (18) to slide to run through on locating plate (17), slot (19) that match with bolt (18) are seted up to T type slide rail (16) bottom.

4. A darkroom turntable with shielding structure according to claim 1, wherein: round platform (3) bottom mounting has pivot (20), the bottom of pivot (20) is passed through the bearing and is connected with the inside bottom rotation of base (1), pivot (20) lower part is equipped with gear (21), the output of motor (2) runs through metallic shield box (4) through the bearing and is connected with worm (22) with gear (21) meshing.

5. A darkroom turntable with shielding structure according to claim 1, wherein: the inner wall of the base (1) is provided with an annular groove (23), balls are uniformly distributed at the bottom end inside the annular groove (23), and a support ring (24) matched with the annular groove (23) is arranged on the fixed rod on the outer wall of the circular truncated cone (3).

6. A darkroom turntable with shielding structure according to claim 1, wherein: the bottom end of the sliding sleeve (10) is fixed with a limiting block (25), and the bottom end inside the groove (8) is provided with a limiting groove (26) matched with the limiting block (25).