CN213584130U

CN213584130U - Large-scale short wave antenna slewing mechanism

Info

Publication number: CN213584130U
Application number: CN202022727038.2U
Authority: CN
Inventors: 黄凯
Original assignee: Beijing Dahua Hengwei Communication Technology Co ltd
Current assignee: Beijing Dahua Hengwei Communication Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-29
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a large-scale short wave antenna slewing mechanism, including the rotary speed reducer, the first output shaft of rotary speed reducer's input shaft fixed connection RV speed reducer, the input shaft of the second output shaft fixed connection encoder of RV speed reducer, the input shaft fixed connection driving motor's of RV speed reducer motor shaft. The utility model has the advantages that: the structure is simple and compact, the weight is light, and the processing cost is low; the moment is large, the bearing capacity is strong, a large short-wave antenna with the length of 30 meters can be borne, and the bearing capacity can be about 1 ton of pressure; the reliability is good, and the failure rate is low; the installation is easy; can adapt to the severe environment in the field; the large short wave antenna can rotate according to requirements, and the requirement of multi-azimuth communication is met.

Description

Large-scale short wave antenna slewing mechanism

Technical Field

The utility model relates to a technical field of short wave antenna particularly, relates to a large-scale short wave antenna slewing mechanism.

Background

Along with the change of army's communication demand, often a pair of short wave antenna need be used as the communication in different position, and short wave antenna can divide into large-scale log-periodic antenna, fishbone antenna etc. according to the classification, and short wave antenna's characteristics are comparatively huge, and length is about 30 meters or so, and short wave antenna generally erects in the eminence of 20 meters more, works in the field, in case the mount is established on the iron tower just can not remove, leads to the unable demand that satisfies multi-azimuth communication.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a large-scale short wave antenna slewing mechanism can use on large-scale short wave antenna, can make large-scale short wave antenna rotate according to the demand to diversified communication's demand has been satisfied.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a large-scale short wave antenna slewing mechanism, includes the rotary speed reducer, the first output shaft of input shaft fixed connection RV speed reducer of rotary speed reducer, the input shaft of the second output shaft fixed connection encoder of RV speed reducer, the input shaft fixed connection driving motor's of RV speed reducer motor shaft.

Furthermore, the slewing reducer comprises a shell, a slewing bearing outer ring and a slewing bearing inner ring, the slewing bearing inner ring is fixedly connected with the shell, the slewing bearing outer ring is rotatably connected with the slewing bearing inner ring, and a toothed ring meshed with an input shaft of the slewing reducer is fixedly connected to the slewing bearing outer ring.

Furthermore, the shell is fixedly connected to the top end of the iron tower, and the outer ring of the slewing bearing is fixedly connected to the bottom of the short-wave antenna through a stud arranged on the outer ring of the slewing bearing.

Furthermore, the shell is fixedly connected with a limit switch corresponding to the short wave antenna.

Furthermore, the RV speed reducer is fixedly connected with the rotary speed reducer through a transition flange on the RV speed reducer, and the first output shaft penetrates through a hole in the center of the transition flange and then is fixedly connected with an input shaft of the rotary speed reducer.

Further, the RV speed reducer is through transition dish fixedly connected with fixed disk on it, fixed disk fixed connection the encoder, the second output shaft runs through respectively the transition dish with fixed disk rear fixed connection the input shaft of encoder.

Further, the transition disc is fixedly connected with the fixed disc through a plurality of support columns which are circumferentially arranged.

Further, fixedly connected with protection casing on the fixed disk, the protection casing cover is established the outside of encoder.

The utility model has the advantages that: the structure is simple and compact, the weight is light, and the processing cost is low; the moment is large, the bearing capacity is strong, a large short-wave antenna with the length of 30 meters can be borne, and the bearing capacity can be about 1 ton of pressure; the reliability is good, and the failure rate is low; the installation is easy; can adapt to the severe environment in the field; the large short wave antenna can rotate according to requirements, and the requirement of multi-azimuth communication is met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a large-scale short wave antenna rotating mechanism according to the embodiment of the present invention.

In the figure:

1. a transition flange; 2. a first output shaft; 3. a second output shaft; 4. a transition disk; 5. a support pillar; 6. fixing the disc; 7. a protective cover; 8. a stud; 9. a drive motor; 10. an RV reducer; 11. a rotary speed reducer; 12. an encoder; 13. and a limit switch.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1, according to the embodiment of the utility model provides a large-scale short wave antenna slewing mechanism, a serial communication port, including rotary speed reducer 11, rotary speed reducer 11's input shaft fixed connection RV speed reducer 10's first output shaft 2, the input shaft of second output shaft 3 fixed connection encoder 12 of RV speed reducer 10, the motor shaft of RV speed reducer 10's input shaft fixed connection driving motor 9.

In an embodiment of the present invention, the slewing reducer 11 includes a housing, an outer slewing ring and an inner slewing ring, the inner slewing ring is fixedly connected to the housing, the outer slewing ring is rotatably connected to the inner slewing ring, and the outer slewing ring is fixedly connected to the input shaft of the slewing reducer 11.

In a specific embodiment of the utility model, the casing fixed connection is on the top of iron tower, the slewing bearing outer lane is through the bottom of the double-screw bolt 8 fixed connection short wave antenna that sets up on it.

In a specific embodiment of the present invention, a limit switch 13 corresponding to the short wave antenna is fixedly connected to the housing.

In a specific embodiment of the present invention, the RV reducer 10 is fixedly connected to the rotary reducer 11 through the transition flange 1 thereon, and the first output shaft 2 passes through the hole rear fixed connection at the center of the transition flange 1 and is connected to the input shaft of the rotary reducer 11.

In a specific embodiment of the utility model, RV speed reducer 10 is through transition dish 4 fixedly connected with fixed disk 6 on it, fixed disk 6 fixed connection encoder 12, second output shaft 3 runs through respectively transition dish 4 with fixed disk 6 back fixed connection the input shaft of encoder 12.

In a specific embodiment of the present invention, the transition disc 4 is fixedly connected to the fixed disc 6 through a plurality of support columns 5 arranged circumferentially.

In a specific embodiment of the present invention, a protective cover 7 is fixedly connected to the fixed disk 6, and the protective cover 7 covers the encoder 12.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

Large-scale short wave antenna slewing mechanism set up between iron tower and large-scale short wave antenna for make short wave antenna rotate according to the demand, it specifically includes driving motor 9, RV speed reducer 10 and rotary speed reducer 11.

The driving motor 9 is a direct current motor, and a motor shaft of the driving motor 9 is connected with an input shaft of the RV reducer 10. The motor casing of the driving motor 9 is fixedly mounted on the RV reducer 10.

The RV speed reducer 10 is provided with two output shafts which are named as a first output shaft 2 and a second output shaft 3 respectively, a transition flange 1 and a transition disc 4 are fixedly arranged on the RV speed reducer 10 respectively, the transition flange 1 is used for fixedly connecting the RV speed reducer 10, and a hole is formed in the center of the transition flange 1 and used for enabling the first output shaft 2 to penetrate through. Fixedly connected with circumference is arranged on transition dish 4 a plurality of support columns 5, comes fixed connection fixed disk 6 through support column 5, and the center of transition dish 4 and the center of fixed disk 6 all have the through-hole for make second output shaft 3 pass. The fixed disk 6 is used for fixedly mounting an encoder 12, and an input shaft of the encoder 12 is fixedly connected with the second output shaft 3. The fixed disc 6 is also fixedly connected with a protective cover 7, and the protective cover 7 is used for protecting the encoder 12.

The slewing reducer 11 comprises a shell, a slewing bearing outer ring, a slewing bearing inner ring, a gear ring and an input shaft, wherein the shell is fixedly connected with the slewing bearing inner ring, balls are arranged between the slewing bearing inner ring and the slewing bearing outer ring, the slewing bearing outer ring is fixed and fixed, the slewing bearing outer ring is rotatably arranged relative to the slewing bearing outer ring, and the gear ring is fixedly connected with the periphery of the slewing bearing outer ring. The input shaft is fixedly connected with the first output shaft 2, the middle part of the input shaft is a section of screw rod, and the screw rod is meshed with the gear ring. The shell is fixed at the top end of the iron tower, studs 8 are uniformly distributed on the outer ring of the slewing bearing, and the studs 8 are used for fixedly connecting the short wave antenna. Still fixedly connected with support on the casing, fixed mounting has limit switch 13 on the support, is provided with the dog on the short wave antenna, touches limit switch 13 back when the dog, and driving motor 9 can be shut down, and the short wave antenna can't continue to rotate, prevents that the short wave antenna from rotating the condition emergence that leads to the stranded conductor behind the excessive along same direction.

The limit switch 13, the encoder 12 and the driving motor 9 are connected with an upper computer, and the upper computer controls the action of the driving motor 9 according to an input instruction so as to enable the short wave antenna to rotate according to requirements.

During the specific use, fix the top at the iron tower with the casing of slewing reducer 11, pass through double-screw bolt 8 fixed connection with the slewing bearing outer lane of slewing reducer 11 in the bottom of short wave antenna, connect limit switch 13, encoder 12 and driving motor 9 with the host computer, when needs make the short wave antenna rotate, to the host computer input angle that will rotate, the action of host computer control driving motor 9, driving motor 9 is driven the input shaft rotation of slewing reducer 11 through first output shaft 2 after being slowed down by RV speed reducer 10, and then drive the slewing bearing outer lane and rotate, the slewing bearing outer lane drives the short wave antenna rotation again.

In conclusion, by means of the technical scheme of the utility model, the structure is simple and compact, the light weight is realized, and the processing cost is low; the moment is large, the bearing capacity is strong, a large short-wave antenna with the length of 30 meters can be borne, and the bearing capacity can be about 1 ton of pressure; the reliability is good, and the failure rate is low; the installation is easy; can adapt to the severe environment in the field; the large short wave antenna can rotate according to requirements, and the requirement of multi-azimuth communication is met.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large-scale shortwave antenna slewing mechanism, its characterized in that, includes rotary speed reducer (11), first output shaft (2) of input shaft fixed connection RV speed reducer (10) of rotary speed reducer (11), the input shaft of second output shaft (3) fixed connection encoder (12) of RV speed reducer (10), the motor shaft of input shaft fixed connection driving motor (9) of RV speed reducer (10).

2. The large short wave antenna rotating mechanism according to claim 1, wherein the slewing reducer (11) comprises a housing, an outer slewing bearing ring and an inner slewing bearing ring, the inner slewing bearing ring is fixedly connected with the housing, the outer slewing bearing ring is rotatably connected with the inner slewing bearing ring, and a toothed ring meshed with an input shaft of the slewing reducer (11) is fixedly connected with the outer slewing bearing ring.

3. The large short wave antenna rotating mechanism according to claim 2, wherein the shell is fixedly connected to the top end of an iron tower, and the outer ring of the slewing bearing is fixedly connected to the bottom of the short wave antenna through a stud (8) arranged on the outer ring of the slewing bearing.

4. A large short wave antenna turning gear according to claim 3, characterized in that a limit switch (13) corresponding to the short wave antenna is fixedly connected to the housing.

5. The large short wave antenna rotating mechanism according to claim 1, wherein the RV reducer (10) is fixedly connected with the rotary reducer (11) through a transition flange (1) on the RV reducer, and the first output shaft (2) passes through a hole in the center of the transition flange (1) and then is fixedly connected with an input shaft of the rotary reducer (11).

6. The large short wave antenna rotating mechanism according to claim 1, wherein the RV reducer (10) is fixedly connected with a fixed disk (6) through a transition disk (4) on the RV reducer, the fixed disk (6) is fixedly connected with the encoder (12), and the second output shaft (3) respectively penetrates through the transition disk (4) and the fixed disk (6) and is fixedly connected with an input shaft of the encoder (12).

7. The large short wave antenna rotating mechanism according to claim 6, wherein the transition disc (4) is fixedly connected with the fixed disc (6) through a plurality of support columns (5) arranged circumferentially.

8. The large short wave antenna rotating mechanism according to claim 6, wherein a protective cover (7) is fixedly connected to the fixed disk (6), and the protective cover (7) covers the encoder (12).