CN214013155U

CN214013155U - Truss type antenna limiting device

Info

Publication number: CN214013155U
Application number: CN202023194551.6U
Authority: CN
Inventors: 李建星
Original assignee: Sanwei Communication Equipment Co ltd
Current assignee: Sanwei Communication Equipment Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-20
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a truss type antenna limiting device, which belongs to the technical field of limiting devices and comprises a fixed plate, an induction component and a contact type position sensor, wherein the fixed plate is used for being connected with a truss type antenna, a rotating shaft is rotationally arranged on the fixed plate and is used for being connected with a rotating part of the truss type antenna; the induction component is detachably arranged on the rotating shaft and can slide and be fixed along the axial direction of the rotating shaft; the number of the contact position sensors is two, the two contact position sensors are arranged on the fixing plate and are respectively located at two limit positions of the rotating part, and the contact position sensors are contacted with the sensing assembly to sense the position of the rotating part. The utility model provides a truss-like antenna stop device when response subassembly rotates extreme position along with rotating the part, and the contact position sensor contact that is located extreme position to detect and rotate extreme position, more accurate assurance truss-like antenna is at limit range internal rotation.

Description

Truss type antenna limiting device

Technical Field

The utility model belongs to the technical field of stop device, more specifically say, relate to a truss-like antenna stop device.

Background

When the satellite antenna works, the position of a receiving part of the antenna needs to be adjusted to ensure the rotation and the receiving of signals. However, because the antenna is limited by the mechanical structure of the antenna, the antenna can only rotate within a certain range, and once the rotation range is exceeded, collision and the like can occur to damage the antenna, so that the edges of the antenna which can rotate to the antenna are two extreme positions of the rotation of the antenna.

The truss type antenna is characterized in that a receiving part of the antenna is installed on a truss, the truss is provided with a fixing frame and a rotating frame, and the position of the receiving part is adjusted through rotation of the rotating frame. In the prior art, the position of the rotating frame is controlled through the rotation of the program control motor, and then the position of the receiving part is ensured, but due to the fact that no feedback exists in the mode, control deviation exists, and the rotating frame cannot be accurately ensured to rotate within a limit range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a truss-like antenna stop device aims at solving prior art, and the antenna only passes through control procedure control position, does not have information feedback, and the problem that truss-like antenna rotation was adjusted in spacing within range can't be guaranteed to the accuracy.

In order to achieve the above object, the utility model adopts the following technical scheme: the truss type antenna limiting device comprises a fixed plate, an induction assembly and a contact type position sensor, wherein the fixed plate is fixedly connected with a truss type antenna, a rotating shaft is rotatably arranged on the fixed plate, and the rotating shaft is connected with a rotating part of the truss type antenna and coaxially rotates along with the rotating part of the truss type antenna; the sensing assembly is detachably arranged on the rotating shaft and can slide along the axial direction of the rotating shaft and be fixed on the rotating shaft; the number of the contact position sensors is two, the two contact position sensors are arranged on the fixing plate and are respectively located at two limit positions of the rotating part, and the contact position sensors are contacted with the sensing assembly to sense the position of the rotating part.

As another embodiment of this application, truss-like antenna stop device still includes the backup pad, and the backup pad passes through the bracing piece and links to each other with the fixed plate, and contact position sensor, response subassembly are located backup pad and fixed plate within a definite time.

As another embodiment of the present application, the truss-like antenna limiting device further includes two connecting seats, the connecting seats are disposed on the fixing plate, the two contact-type position sensors are respectively located on the two connecting seats, the fixing plate is provided with a first locking threaded hole and a second locking threaded hole, the connecting seats are provided with two strip-shaped holes, the connecting seats are connected to the fixing plate through two locking screws, one of the locking screws passes through one of the strip-shaped holes to be connected to the first locking threaded hole, and the other locking screw passes through the other strip-shaped hole to be connected to the second locking threaded hole.

As another embodiment of the application, the induction assembly comprises a clamping ring, a locking bolt and an induction rod, wherein a notch is formed in the clamping ring, connecting lugs are arranged at two arc-shaped ends of the clamping ring, a through hole is formed in each connecting lug, and the clamping ring is arranged on the rotating shaft in a penetrating manner; the locking bolt penetrates through the through hole, the locking bolt is in threaded connection with a locking nut, and the clamping ring clamps the rotating shaft through the locking bolt and the locking nut; the induction rod is arranged on the clamping ring and is used for contacting with the contact type position sensor.

As another embodiment of the present application, the sensing assembly is an integrated structure.

As another embodiment of the application, the lower extreme of pivot is equipped with the mount pad, and the mount pad is used for installing the encoder.

As another embodiment of this application, be equipped with the through-hole in the backup pad, the through-hole with the mount pad is relative.

As another embodiment of this application, be equipped with the annular slide rail on the fixed plate, two connecting seats can slide and fix in optional position along the slide rail.

As another embodiment of this application, first locking screw hole, second locking screw hole all set up a plurality of along the circumferencial direction looks interval of slide rail, and first locking screw hole is located outside the excircle of slide rail, and second locking screw hole is located the interior circle of slide rail, and the slide rail is gone up to slide and is set up the slider, and the slider links to each other with the connecting seat.

As another embodiment of the application, the connecting seat is provided with a countersunk head threaded hole, the sliding block is provided with a positioning threaded hole, the countersunk head threaded hole and the positioning threaded hole are coaxial with the rotating centers of the sliding block and the connecting seat, the countersunk head threaded hole is internally threaded with a positioning bolt, the positioning bolt can be in threaded connection with the positioning threaded hole, and the connecting seat is fixed on the sliding block through the positioning bolt.

The utility model provides a truss-like antenna stop device's beneficial effect lies in: compared with the prior art, the truss type antenna limiting device has the advantages that the fixed plate is provided with the rotating shaft in a rotating mode, and the rotating shaft rotates coaxially with the rotating part of the truss type antenna; the induction component is detachably arranged on the rotating shaft; two contact position sensors are arranged on the fixed plate and are respectively positioned at two limit positions of the rotating part. When the sensing assembly rotates to one of the limit positions along with the rotating part, the sensing assembly is contacted with the contact type position sensor positioned at the limit position, so that the rotation to the limit position is detected, and feedback is carried out to the control element. The induction assembly can slide along the axis direction of the rotating shaft and is fixed at any position, so that the induction assembly can be adjusted to be in more accurate contact with the contact type position sensor, the induction precision is ensured, and the truss type antenna can be more accurately ensured to rotate within a limit range.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a truss-type antenna limiting device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle of the truss-like antenna limiting device according to an embodiment of the present invention;

FIG. 3 is a schematic view of the arrangement of the inductive element, the retaining ring, and the engaging lug of FIG. 2;

fig. 4 is a schematic structural diagram of a truss-type antenna limiting device according to another embodiment of the present invention;

fig. 5 is a schematic view illustrating the connection between the slider and the connecting seat in the embodiment of fig. 4.

In the figure: 1. a fixing plate; 2. a rotating shaft; 3. an induction rod; 4. a mounting seat; 5. locking the screw; 6. a strip hole; 7. a support plate; 8. a contact position sensor; 9. a support bar; 10. a connecting seat; 11. locking the bolt; 12. locking the nut; 13. a clamp ring; 14. connecting lugs; 15. a first locking threaded hole; 16. a slide rail; 17. a second locking threaded hole; 18. a slide block.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the truss-type antenna limiting device provided by the present invention will now be described. The truss type antenna limiting device comprises a fixed plate 1, an induction assembly and a contact type position sensor 8, wherein a rotating shaft 2 is rotatably arranged on the fixed plate 1, and the rotating shaft 2 coaxially rotates along with a rotating part; the induction component is detachably arranged on the rotating shaft 2 and can slide along the axial direction of the rotating shaft 2 and be fixed on the rotating shaft 2; two contact position sensors 8 are arranged, the two contact position sensors 8 are positioned on the fixed plate 1, the two contact position sensors 8 are respectively positioned at two limit positions of the rotating part, and the contact position sensors 8 are contacted with the sensing assembly to sense the position of the rotating part.

Compared with the prior art, the truss type antenna limiting device provided by the utility model is characterized in that a rotating shaft 2 is rotatably arranged on a fixed plate 1, and the rotating shaft 2 coaxially rotates along with the rotating part of the truss type antenna; the induction component is detachably arranged on the rotating shaft 2; two contact position sensors 8 are arranged on the fixed plate 1, and the two contact position sensors 8 are respectively positioned at two limit positions of the rotating part. When the sensing component rotates to one of the extreme positions along with the rotating part, the sensing component contacts the contact type position sensor 8 positioned at the extreme position, so that the rotation to the extreme position is detected and feedback is given to the control element. The response subassembly can slide and fix in optional position along the axis direction of pivot 2 to can adjust and make the more accurate contact of response subassembly and contact position sensor 8, guarantee the response precision, assurance truss-like antenna internal rotation at limit range that can be more accurate.

In this embodiment, the fixing plate 1 is connected to the fixing part of the truss antenna, so as to realize the fixing arrangement. The rotating part is a rotating frame.

As a specific embodiment of the truss-like antenna stop device provided by the utility model, please refer to fig. 1 to fig. 2, the truss-like antenna stop device still includes backup pad 7, and backup pad 7 passes through bracing piece 9 and links to each other with fixed plate 1, and contact position sensor 8, response subassembly are located backup pad 7 and fixed plate 1 within a definite time.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the truss-like antenna limiting device further includes two connecting seats 10, the connecting seat 10 is disposed on the fixing plate 1, two contact position sensors 8 are respectively located on two connecting seats 10, the fixing plate 1 is provided with a first locking threaded hole 15 and a second locking threaded hole 17, the connecting seat 10 is provided with two strip holes 6, the connecting seat 10 is connected with the fixing plate 1 through two locking screws 5, one of the locking screws 5 passes one of the strip holes 6 to be connected with the first locking threaded hole 15, and the other locking screw 5 passes the other strip hole 6 to be connected with the second locking threaded hole 17.

In this embodiment, one first locking screw hole 15 and one second locking screw hole 17 are provided in one set, and a set of the first locking screw hole 15 and the second locking screw hole 17 is provided for each extreme position. The positions of the first locking screw hole 15 and the second locking screw hole 17 are set according to the angle of the extreme position. When connecting seat 10 is connected with this group of first locking screw hole 15 and second locking screw hole 17, two rectangular holes 6 are relative with first locking screw hole 15 and second locking screw hole 17 with the group respectively, and rectangular hole 6 width is greater than the diameter of first locking screw hole 15, second locking screw hole 17 to can finely tune the position of connecting seat 10 through rectangular hole 6, guarantee the accurate installation of 8 positions of contact position sensor.

Because there is the error in the actual production of spare part and processing, consequently set up rectangular hole 6, after the equipment, with the position of rectangular hole 6 fine setting connecting seat 10 of overlength, because of contact position sensor 8 is located connecting seat 10 to can adjust touch position sensor position according to actual assembly condition, guarantee the accuracy that touch position sensor corresponds with extreme position.

As a specific implementation of the embodiment of the utility model provides a, refer to fig. 1 to fig. 3, the response subassembly includes grip ring 13, locking bolt 11, response pole 3, be equipped with the breach on the grip ring 13, the arc both ends of grip ring 13 all are equipped with engaging lug 14, be equipped with the through hole on the engaging lug 14, wear to locate in the grip ring 13 on the pivot 2, locking bolt 11 wears to establish and the through hole, 11 threaded connection of locking bolt has lock nut 12, grip ring 13 presss from both sides tight pivot 2 through locking bolt 11 and lock nut 12, on the grip ring 13 is located to response pole 3, response pole 3 is used for contacting with contact position sensor 8.

In this embodiment, the clamping ring 13 is sleeved on the rotating shaft 2, and the sensing rod 3 is arranged on the clamping ring 13, so that the clamping ring 13 can move along the axis direction of the rotating shaft 2, and the height of the sensing rod 3 is adjusted to be opposite to that of the contact position sensor 8. The screw end of the locking bolt 11 passes through the two through holes, the screw of the locking bolt 11 is in threaded connection with the locking nut 12, and the locking nut 12 is screwed down, so that the clamping ring 13 is fixed on the rotating shaft 2.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the sensing assembly is an integrated structure.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a mounting seat 4 is disposed at the lower end of the rotating shaft 2, and the mounting seat 4 is used for mounting the encoder.

In this embodiment, the encoder is a device that compiles and converts signals or data into a form of signals that can be communicated, transmitted, and stored. In this embodiment, the encoder receives data from the contact position sensor 8, converts the data into a signal, and transmits the signal to the control unit.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a through hole is disposed on the supporting plate 7, and the through hole is opposite to the mounting base 4.

In this embodiment, an operation space is reserved for the installation of the encoder by providing the through hole.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 5, a circular sliding rail 16 is disposed on the fixing plate 1, and the two connecting seats 10 can slide along the sliding rail 16 and be fixed at any position.

In this embodiment, be equipped with annular slide rail 16 on the fixed plate 1, two connecting seats 10 can slide and fix at the optional position along slide rail 16, can improve the utility model discloses a commonality. The truss type antenna limiting device is installed on a truss type antenna, and the rotating shaft 2 is connected with a rotating part of the truss type antenna and coaxially rotates along with the rotating part. The position of the connecting seat 10 is adjusted according to the limit position of the truss type antenna, so that the truss type antenna with various sizes and structures can be limited, and the universality is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 5, the first locking threaded hole 15 and the second locking threaded hole 17 all set up a plurality of along the circumferential direction interval of the slide rail 16, the first locking threaded hole 15 is located outside the outer circle of the slide rail 16, the second locking threaded hole 17 is located inside the inner circle of the slide rail 16, the slide rail 16 slides to set up the slider 18, and the slider 18 is connected with the connecting seat 10.

In this embodiment, the width of the elongated hole 6 of the connecting seat 10 is greater than the diameters of the first locking threaded hole 15 and the second locking threaded hole 17. When the connecting seat 10 is adjusted to a proper position along the sliding rail 16, the two locking screws 5 are respectively connected with the first locking threaded hole 15 and the second locking threaded hole 17 at the proper position, so that the connecting seat 10 and the sliding block 18 are fixed.

As a specific embodiment of the utility model, please refer to fig. 4 to 5, be equipped with countersunk screw hole on the connecting seat 10, be equipped with positioning screw hole on the slider 18, countersunk screw hole, positioning screw hole all are coaxial with the rotation center of slider 18 and connecting seat 10, and countersunk screw hole female connection has positioning bolt, and positioning bolt can with positioning screw hole threaded connection, and connecting seat 10 passes through positioning bolt to be fixed on slider 18.

In this embodiment, first, the positioning bolt is connected with the positioning threaded hole and the countersunk head threaded hole on the slider 18 at the same time, the connecting seat 10 moves to adjust the position along with the slider 18, and after the adjusting position is adjusted to a proper position, the connecting seat is respectively connected with the first locking threaded hole 15 and the second locking threaded hole 17 of the position through the two locking screws 5 in a threaded manner, but at this time, the locking screws 5 do not compress the connecting seat 10. Then positioning bolt no longer with positioning screw hole threaded connection, connecting seat 10 rotates the fine setting, because the width of rectangular hole 6 is great, connecting seat 10 can rotate at the certain limit, after finely tuning to suitable position, positioning bolt and positioning screw hole threaded connection, locking screw 5 compresses tightly connecting seat 10, realizes the complete fixation of connecting seat 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Truss-like antenna stop device, its characterized in that includes:

the fixed plate is fixedly connected with the truss type antenna, a rotating shaft is rotatably arranged on the fixed plate, and the rotating shaft is connected with a rotating part of the truss type antenna and coaxially rotates along with the rotating part of the truss type antenna;

the sensing assembly is detachably arranged on the rotating shaft, can slide along the axial direction of the rotating shaft and is fixed on the rotating shaft;

the two contact position sensors are arranged on the fixed plate and are respectively positioned at two limit positions of the rotating part, and the contact position sensors are contacted with the sensing assembly to sense the position of the rotating part.

2. The truss-like antenna spacing device of claim 1, further comprising a supporting plate, wherein the supporting plate is connected to the fixing plate through a supporting rod, and the contact position sensor and the sensing assembly are located between the supporting plate and the fixing plate.

3. The truss-like antenna spacing device of claim 2, further comprising two connecting bases, wherein the connecting bases are disposed on the fixing plate, two of the contact position sensors are respectively disposed on the two connecting bases, the fixing plate is provided with a first locking threaded hole and a second locking threaded hole, the connecting bases are provided with two elongated holes, the connecting bases are connected to the fixing plate through two locking screws, one of the locking screws passes through one of the elongated holes to connect to the first locking threaded hole, and the other locking screw passes through the other elongated hole to connect to the second locking threaded hole.

4. The truss-like antenna spacing device of claim 1, wherein the sensing assembly comprises:

the clamping ring is provided with a notch, the two arc-shaped ends of the clamping ring are provided with connecting lugs, the connecting lugs are provided with through holes, and the clamping ring is arranged on the rotating shaft in a penetrating manner;

the locking bolt penetrates through the through hole, the locking bolt is in threaded connection with a locking nut, and the clamping ring clamps the rotating shaft through the locking bolt and the locking nut;

the induction rod is arranged on the clamping ring and is used for contacting with the contact type position sensor.

5. The truss antenna spacing device of claim 4, wherein the inductive component is a unitary structure.

6. The truss-like antenna spacing device of claim 2, wherein the lower end of the rotating shaft is provided with a mounting seat, and the mounting seat is used for mounting an encoder.

7. The truss-like antenna spacing device of claim 6, wherein the support plate is provided with a through hole, and the through hole is opposite to the mounting seat.

8. The truss-like antenna spacing device of claim 3, wherein the fixing plate is provided with a circular sliding rail, and the two connecting bases can slide along the sliding rail and be fixed at any position.

9. The truss-like antenna limiting device according to claim 8, wherein the first locking threaded hole and the second locking threaded hole are respectively provided in a plurality of numbers at intervals along a circumferential direction of the slide rail, the first locking threaded hole is located outside an outer circle of the slide rail, the second locking threaded hole is located inside an inner circle of the slide rail, a sliding block is slidably provided on the slide rail, and the sliding block is connected with the connecting seat.

10. The truss-like antenna spacing device of claim 9, wherein the connecting seat is provided with a countersunk threaded hole, the sliding block is provided with a positioning threaded hole, the countersunk threaded hole and the positioning threaded hole are coaxial with the rotation centers of the sliding block and the connecting seat, a positioning bolt is screwed in the countersunk threaded hole, the positioning bolt can be screwed in the positioning threaded hole, and the connecting seat is fixed on the sliding block through the positioning bolt.