CN106384890A - Phase shifter transmission device - Google Patents

Abstract

The invention discloses a phase shifter transmission device, comprising: a pull rod member; the pull rod part comprises a pull rod, a support frame and at least two first transmission assemblies; the supporting frame is provided with an upper supporting layer and a lower supporting layer, and each supporting layer is provided with at least one first transmission assembly; the first transmission assembly comprises a first screw rod, a first nut and a first gear, wherein the first nut is sleeved on the first screw rod and can linearly reciprocate along the length direction of the first screw rod, and the first gear is rigidly connected to one end of the first screw rod and has the same rotation direction with the first screw rod; the pull rod is detachably connected to the first nut; the first gear is driven by external transmission force to drive the first screw to rotate, so that the first nut drives the pull rod to move along the length direction of the first screw, and the first gear can be used for adjusting the displacement of the phase shifter connected with the pull rod. Through above-mentioned embodiment, can solve and move the big problem of looks ware tiling area of occupation, reduce this installation volume that moves looks ware transmission to transmission precision has been improved.

Description

Phaser Gearing

technical field

The invention relates to the technical field, in particular to a phase shifter transmission device.

Background technique

At present, the antenna transmission of ESC base stations in domestic and foreign markets mainly adopts one-to-one transmission mode, that is, one motor controls one phase shifter. With the development of communication, multi-frequency antennas have become the mainstream trend. The phase shifter will also increase accordingly, and the width of the antenna will also increase. The scheme of driving a phase shifter by one transmission is obviously not suitable for the development of multi-frequency antennas. The integrated development of the transmission solves the problems of large space occupation and high cost, but With the increase of the antenna width, there is a problem of transfer. The large transfer distance leads to a series of defects such as large friction force of the tie rod, large deformation of the transfer plate, and even jamming.

The technical problem solved by the present invention is to provide a detachable modular two-drive multi-rod transmission device, which aims to solve the current multi-frequency antenna phase shifter layout is relatively wide, the horizontal transfer distance is relatively long, poor precision, friction and other problems.

Contents of the invention

The present invention provides a phase shifter transmission device to solve the above technical problems, which can solve the problem that the phase shifter occupies a large area when tiled, reduces the installation volume of the phase shifter transmission device, and improves transmission accuracy.

In order to solve the above-mentioned technical problems, the present invention provides a phase shifter transmission device, comprising: a tie rod part; the tie rod part includes a tie rod, a support frame and at least two first transmission components; the support frame has two supporting layers up and down Each of the supporting layers is provided with at least one first transmission assembly; the first transmission assembly includes a first screw, a first screw that is sleeved on the first screw and can linearly reciprocate along its length direction. A nut, and a first gear rigidly connected to one end of the first screw rod and in the same rotation direction as the first screw rod; the pull rod is detachably connected to the first nut; the first gear is externally controlled The transmission force drives the first screw to rotate so that the first nut drives the pull rod to move along the length direction of the first screw, and then can be used to adjust the displacement of the phase shifter connected to the pull rod.

Further, the first nut is provided with a bayonet, and one end of the pull rod is provided with a clip foot with elastic deformation capability, and the pull rod is connected with the elastic clip of the buckle through the clip foot.

Further, the first transmission assembly further includes a second gear, the rotation plane of the second gear is perpendicular to the rotation plane of the first gear, and the first gear and the second gear mesh with each other, so as to It is used to convert the rotation direction of the second gear into the rotation direction of the first gear.

Further, the first gear and the second gear are respectively bevel gears.

Further, there is more than one pull rod part, and the phase shifter transmission device also includes a position selection part, and the position selection part includes: a second screw rod and a pair of screws mounted on both sides of the second screw rod in parallel and symmetrically. For the sliding rod; the second screw rod is covered with a second nut that can linearly reciprocate along its length direction, and each of the sliding rods is provided with a worm slider that cannot rotate relative to the sliding rod, and The same end of each of the worm sliders is rotatably connected to the second nut; the upper and lower ends of the two worm sliders are staggeredly arranged with several helical gears connected to the output shaft so that only one of them One of the worm sliders can be meshed with one of the helical gears; further, each of the output shafts in the position selection component is respectively connected to the first one of the corresponding one of the pull rod components. The second gear of the transmission assembly is detachably connected, so that only one of the phase shifters can be selectively adjusted independently at the same time.

Further, in the tie rod part, only one first transmission assembly is provided on the two support layers respectively, and the two first transmission assemblies are staggered back and forth in the horizontal direction; The output shafts corresponding to the two staggered and adjacent helical gears are connected to the second gears of the corresponding two first transmission assemblies in the same pull rod component.

Further, the sliding rod is provided with a raised edge extending along its length direction, and the inner wall of the worm slider is provided with a groove matching the upper edge of the sliding rod, through which the edge is connected with the The cooperation of the groove realizes the non-rotatable connection between the worm slider and the slide bar; the second nut extends toward both sides of each slide bar to form a connecting arm, and the connecting arm is provided with A snap ring, each end of the worm slider is provided with a slot, and the rotation connection between the worm slider and the second nut is realized through the snap fit between the slot and the snap ring.

Further, a drive gear is rigidly connected to the same end of the two slide bars, and a position selection gear is rigidly connected to the same end of the second screw at the same end of the slide bar. The transition gear rotates on the position selection gear, the teeth of the position selection gear protrude from the outside of the transition gear, wherein the transition gear is arranged between the two drive gears and connected to the two drive gears The driving gears are meshed respectively, and the driving gears and the position selection gears are interlaced back and forth; correspondingly, the phase shifter transmission device also includes a The RCU motor part of work, described RCU motor part comprises: two motors that are staggered front and back, and the output gear that is respectively rigidly connected on the motor shaft of each described motor; Wherein, the output gear of a described motor and described The drive gear is detachably engaged, while an output gear of another said motor is detachably engaged with said position selection gear.

Further, the position selection component includes a cavity and a plurality of support rods, the second screw and each of the sliding rods are respectively rotatably connected to an opposite side wall of the cavity, and each of the helical gears is respectively The support rod passing through its axis is rotatably connected to the other opposite side wall of the cavity; the support rod includes a rod body and a cap disposed at one end of the rod body, and the helical gear is non-rotatably Sleeved on the rod body, the cap body gear is slightly larger than the size of the through hole at the axis of the helical gear to limit the position of the helical gear, and the end face of the cap body is provided with a non-circular hole to form a cross-section Said output shaft, which is non-circular, is detachably and relatively non-rotatably connected.

Further, the end surface of the cap body is set as an inner hexagonal hole, the second gear is also set as an inner hexagonal hole, and the output shaft adopts a hexagonal rod, which is respectively plugged into the support by using the hexagonal rod The rod and the inner hexagonal hole of the second gear realize the quick connection between the position selection part and the pull rod part.

The multi-frequency base station antenna and its phase shifter transmission device of the present invention have the following beneficial effects:

The phase shifter transmission device of the present invention has the following beneficial effects:

By independently setting at least one first transmission assembly for connecting the phase shifter on different support layers of the same support frame, the space can be effectively used, and the area required for the tiling of the phase shifter in the traditional technology can be reduced exponentially. The installation volume is small, which facilitates a more flexible layout, and is also suitable for one-wheel drive and multiple traditional transmission technologies.

The pull rod connecting the phase shifter is detachably installed on the first transmission assembly, which can make full use of the advantages of separation, and arrange the output transmission assembly and the phase shifter assembly on the same axis, reducing the large torque damage to the transmission due to transfer Accuracy and life.

Description of drawings

Fig. 1 is a front view of the multi-frequency base station antenna of the present invention.

FIG. 2 is a schematic diagram of the installation structure of the rod component in the multi-frequency base station antenna shown in FIG. 1 .

FIG. 3 is a schematic diagram of an installation structure of a position selection component in the multi-frequency base station antenna shown in FIG. 1 .

FIG. 4 is a schematic diagram of the installation structure of the RCU motor components in the multi-frequency base station antenna shown in FIG. 1 .

Fig. 5 is a front view of an embodiment of an output shaft in the position selection component of the multi-frequency base station antenna shown in Fig. 1 .

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

The phase shifter transmission device of the embodiment of the present invention includes: RCU motor part 100, position selection part 200 and pull rod part 300, wherein, RCU motor part 100 is pluggably connected with position selection part 200, and position selection part 200 can also be It is connected to the tie rod part 300 in a plug-in manner.

In a specific application embodiment, the position selection component 200 includes: a cavity 6, a second screw rod 8 and at least one sliding rod 7 that are rotatably connected to an opposite side wall of the cavity 6, and the sliding rod 7 is arranged in parallel on the The second screw 8 side. Preferably, a pair of sliding rods 7 can be assembled symmetrically and parallelly on both sides of the second screw rod 8 . Wherein, the second screw rod 8 is sleeved with a second nut 15 that can linearly reciprocate along its length direction, and each slide rod 7 is sleeved with a worm slider 11 that cannot rotate relative to the slide rod 7, and each worm The same end of the slider 11 is rotatably connected with the second nut 15 .

For example, the sliding rod 7 is provided with a raised edge extending along its length, and the inner wall of the worm slider 11 is provided with a groove matching the upper edge of the sliding rod 7, which is achieved through the cooperation of the edge and the groove. The worm slider 11 is connected to the slide rod 7 in a relatively non-rotatable manner. Further, the second nut 15 extends toward both sides of each slide bar 7 to form connecting arms respectively, the connecting arms are provided with snap rings, and the ends of each worm slider 11 are provided with clip slots, through the snap slots and snap rings The joint fit realizes the rotational connection between the worm slider 11 and the second nut 15 .

Preferably, the upper and lower ends of the two worm sliders 11 are respectively arranged in a staggered manner with a number of helical gears 12 connected to the output shaft 24, and the staggered distribution of the positions of the plurality of helical gears 12 needs to meet the requirements of only one of them at the same time. The worm slider 11 can mesh with one of the helical gears 12 . Wherein, each helical gear 12 is rotatably connected to the other opposite side wall of the cavity 6 through a support rod 13 penetrating through its axis, and the helical gear 12 itself cannot rotate relative to the support rod 13 . By interlacing several output shafts 24 at the upper and lower ends of each slide rod 7, the distance between two adjacent output shafts 24 can be greatly reduced, thereby greatly reducing the stroke of the worm slider 11 and greatly improving the transmission mechanism. efficiency and precision.

Further, a drive gear 9 is rigidly connected to the same end of the two sliding rods 7 , and a position selection gear 14 is also rigidly connected to the same end of the second screw rod 8 at the same end of the sliding rods 7 . Preferably, the transition gear 10 that can rotate relative to the position selection gear 14 is sleeved on the outer peripheral wall of the position selection gear 14, and the teeth of the position selection gear 14 protrude from the outside of the transition gear 10; 14 is sleeved with a gear sleeve 116 that cannot be rotated relative to the position selection gear 14, and the transition gear 10 is relatively rotatably sleeved on the gear sleeve 116. When installing, it should also be ensured that the teeth of the position selection gear 14 can Protrude out of the gear sleeve 116 . Wherein, the transition gear 10 is arranged between the two driving gears 9 and meshes with the two driving gears 9 respectively. By arranging intermeshing transition gears 10 between the drive gears 9, it is possible to realize synchronous rotation between different drive gears 9, and all the slide bars 7 can be driven by only one motor 4, saving the cost of the motor 4, reducing the The installation volume and weight are small, and the arbitrary output of no less than two output shafts 24 can be realized by two drive motors 4; The respective rotations of the screw rod 8 and each sliding rod 7 can be carried out independently without affecting each other, which facilitates the precise control of the position selection and the transmission after the position selection.

In an application embodiment, the pull rod component 300 includes a pull rod 23 , a support frame 21 and at least two first transmission components. Wherein, the supporting frame 21 has two supporting layers, upper and lower, and at least one first transmission assembly is arranged on each supporting layer.

Specifically, the first transmission assembly includes a first screw 18, a first nut 19 sleeved on the first screw 18 and capable of reciprocating linearly along its length, and rigidly connected to one end of the first screw 18 and connected to the first screw. A screw rod 18 rotates in the same direction as the first gear 171 . Wherein, the guide rod 20 parallel to the first screw rod 18 can be installed on the support frame 21, the side wall of the first nut 19 is provided with a slide hole, and the guide rod 20 is penetrated in the slide hole, so as to ensure that the first nut 19 can Accurate linear reciprocating movement.

Further, the pull rod 23 is detachably connected to the first nut 19; the first gear 171 is driven by an external transmission force to drive the first screw 18 to rotate so that the first nut 19 drives the pull rod 23 to move along the length direction of the first screw 18, and then It can be used to adjust the displacement of the phase shifter connected with the pull rod 23. Specifically, the first nut 19 is provided with a bayonet, and one end of the pull rod 23 is provided with an elastically deformable clip 230 , and the pull rod 23 is connected to the elastic buckle of the buckle through the clip 230 . Preferably, the clip 230 is a U-shaped clip. When it is necessary to connect the pull rod 23 and the first nut 19, it can be inserted directly. When the U-shaped clip needs to be pulled out, it is enough to press the end of the U-shaped clip properly. .

Further, the first transmission assembly also includes a pre-installed second gear 172, the rotation plane of the second gear 172 is perpendicular to the rotation plane of the first gear 171, and the first gear 171 and the second gear 172 mesh with each other, so as to It is used to convert the rotation direction of the second gear 172 to the rotation direction of the first gear 171 . By installing the first gear 171 and the second gear 172 meshing with each other in advance, the subsequent installation steps of the entire multi-frequency base station antenna can be reduced, which is more convenient and faster.

Wherein, when the first gear 171 and the second gear 172 are rotatably connected to the side wall of the support frame 21, a The limit support seat 22 is to ensure the cooperation and free rotation between the first gear 171 , the second gear 172 and the support frame 21 . In a preferred embodiment, the first gear 171 and the second gear 172 can be bevel gears respectively.

In the above embodiments, each output shaft 24 in the position selection component 200 is detachably connected to the second gear 172 of a first transmission assembly in a corresponding tie rod component 300 . Specifically, the support rod 13 in the position selection component 200 includes a rod body 131 and a cap body 132 arranged at one end of the rod body 131. The helical gear 12 is sleeved on the rod body 131 non-rotatably. Center offers semicircle hole, and the body of rod 131 of support rod 13 adopts semicircle rod, jump ring can also be set between helical gear 12 and the body of rod 131 of support rod 13 and fix. Further, the gear of the cap body 132 is slightly larger than the size of the through hole at the axis of the helical gear 12 to limit one side of the helical gear 12 , and the other side of the helical gear 12 is limited by the sleeve 16 . A non-circular hole is provided on the end surface of the cap body 132 to detachably and relatively non-rotatably connect with the output shaft 24 whose cross-section is non-circular.

Preferably, in the position selection component 200, the end surface of the cap body 132 is set as an inner hexagonal hole, and the output shaft 24 is a hexagonal rod; in the pull rod component 300, the second gear 172 is also set as an inner hexagonal hole. The quick connection between the position selection component 200 and the tie rod component 300 is realized by inserting the hexagonal rods into the inner hexagonal holes of the support rod 13 and the second gear 172 respectively.

In the above embodiment, the RCU motor component 100 includes a housing 1 , an upper end cover 2 , a lower end cover 3 , two motors 4 and two output gears 5 . Both ends of the housing 1 are sealed by locking the upper end cover 2 and the lower end cover 3 respectively. Among them, the upper end cover 2 is mainly used to connect the external ESC; two motors 4 are accommodated in the casing 1 and fixed on the lower end cover 3 by screws, wherein the motor 4 shafts of the two motors 4 protrude alternately from front to back. The lower end cover 3 and the two output gears 5 are respectively rigidly connected to the motor 4 shaft of the corresponding motor 4. For example, the rigid connection between the two can be realized by cooperating with the motor 4 shaft through the semicircular hole (in the full text, the rigid connection refers to the connection between the two parts. non-rotatable fixed connection between them). When the RCU motor part 100 is connected with the position selection part 200 in a pluggable manner, the output gears 5 of the two motors 4 in the RCU motor part 100 are respectively connected with any one of the drive gears 9 and the selection parts 200 of the position selection part 200. Bit gear 14 is detachably meshed.

In a preferred embodiment, in the tie rod component 300, only one first transmission assembly is respectively arranged on the two supporting layers, and the two first transmission assemblies are staggered back and forth in the horizontal direction. When assembling the position selection part 200 and the pull rod part 300, the output shafts 24 corresponding to the two adjacent helical gears 12 that are staggered up and down in the same worm slider 11 are connected to the corresponding two first transmission components in the same pull rod part 300 on the second gear 172 of the

The working principle of the phase shifter transmission is briefly described as follows:

Select the position, the linear reciprocating motion of the second nut 15 moves the worm slider 11 to the position corresponding to the required output shaft 24 (the helical gear 12 connected to the output shaft 24), the worm slider 11 and the required The target helical gear 12 corresponding to the adjusted phase shifter is meshed.

For transmission, the worm slider 11 rotates following the slide rod 7 and then drives the helical gear 12 to rotate to adjust the corresponding phase shifter.

In addition, when the worm slider 11 passes directly below or directly above a certain helical gear 12 along the slide rod 7, if the worm slider 11 passes directly below or directly above the helical gear 12, the helical gear 12 will exist due to tooth surface meshing. A certain degree of rotation, so in order to avoid this problem, when the worm slider 11 passes through the helical gear 12, in addition to linear sliding, it should also increase the reverse rotation at the same time, which can be reversed by controlling the slider 7 relative to the screw at a certain ratio , so that the worm slider 11 avoids contact with the tooth surface of the non-target helical gear 12 when passing through the corresponding non-target helical gear 12, so that the worm slider 11 will not mesh with the non-target helical gear 12 and then be functionally connected , will not cause misoperation to the phase shifter indirectly driven by the non-target helical gear 12 .

The phase shifter transmission device of the present invention has the following beneficial effects:

First of all, by independently setting at least one first transmission assembly for connecting the phase shifter on different support layers of the same support frame 21, the space can be effectively utilized, and the time required for tiling the phase shifter in the traditional technology can be reduced exponentially. The area reduces the installation volume and facilitates a more flexible layout. It is also suitable for one-wheel drive and multiple traditional transmission technologies.

Secondly, the pull rod 23 connected to the phase shifter is detachably installed on the first transmission assembly, which can make full use of the advantages of separation, and arrange the output transmission assembly and the phase shifter assembly on the same axis, reducing the large Torque destroys transmission accuracy and life.

Thirdly, the RCU motor part 100 and the position selection part 200 adopt a pluggable form, which can ensure that after the internal parts of the antenna are installed, the RCU motor part 100 can be directly inserted from the outside, which is convenient for installation and subsequent maintenance. Moreover, the tie rod part 300 is separated from the main body of the position selection part 200, which effectively simplifies the installation method and enhances the installation flexibility, and avoids the problem of designing an adapter plate for the phase shifter later.

Finally, by setting a second screw rod 8 and sleeve the second nut 15 on the second screw rod 8, at least one slide rod 7 parallel to the second screw rod 8 is set and each slide rod 7 is sleeved with non-relative slide rods 7 The worm slider 11 that rotates but can move linearly along the slide bar 7, each worm slider 11 is respectively rotatably connected to the second nut 15, and the upper and lower ends of each slide bar 7 are staggered with several output gears equipped with helical gears 12. The shaft 24, and then drives the worm slider 11 through the second nut 15 to selectively mesh with one of the helical gears 12 at the same time to form an active connection, which can realize independent control of the phase shifter connected to the output shaft 24, Only one second screw 8 and one slide rod 7 are needed to adjust multiple phase shifters, the structure is compact and simple, the weight is small, the cost is low, and the output shaft 24 responds quickly. In addition, the output shaft 24 connected to the helical gear 12 adopts a design of staggered distribution up and down. This design can well avoid the interference between the output shaft 24 of the same height and the connection of the phase shifter, thereby minimizing the transfer of the output end of the transmission mechanism. width.

In addition, the phase shifter transmission device can be flexibly applied to different transmission quantities and antenna reflector widths.

In addition, the present invention also provides a multi-frequency base station antenna, including the phase shifter transmission device described in any one of the above implementation manners, which will not be repeated here.

The above is only the embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, All are included in the scope of patent protection of the present invention in the same way.

Claims (10)

1. A phase shifter transmission device, characterized in that, comprising: tie rod parts; The pull rod part includes a pull rod, a support frame and at least two first transmission components; The support frame has two support layers, upper and lower, each of which is provided with at least one first transmission assembly; The first transmission assembly includes a first screw rod, a first nut sleeved on the first screw rod and capable of reciprocating linearly along its length, and rigidly connected to one end of the first screw rod and connected to the first screw rod. the first gear with the same rotation direction of the screw; the pull rod is detachably connected to the first nut; Wherein, the first gear is driven by the external transmission force to drive the first screw to rotate so that the first nut drives the pull rod to move along the length direction of the first screw, and then can be used to adjust the The displacement of the phase shifter. 2. The phase shifter transmission device according to claim 1, characterized in that: The first nut is provided with a bayonet, and one end of the pull rod is provided with a clip foot with elastic deformation capability, and the pull rod is connected together with the elastic buckle of the buckle through the clip foot. 3. The phase shifter transmission device according to claim 1, characterized in that: The first transmission assembly also includes a second gear, the rotation plane of the second gear is perpendicular to the rotation plane of the first gear, and the first gear and the second gear mesh with each other for The rotation direction of the second gear is converted to the rotation direction of the first gear. 4. The phase shifter transmission device according to claim 3, characterized in that: The first gear and the second gear are respectively bevel gears. 5. The phase shifter transmission device according to claim 3, characterized in that: The number of the pull rod parts is more than one, and the phase shifter transmission device also includes a position selection part, and the position selection part includes: a second screw and a pair of slide bars parallel and symmetrically assembled on both sides of the second screw; The second screw is sleeved with a second nut that can linearly reciprocate along its length direction, each of the slide rods is sleeved with a worm slider that cannot rotate relative to the slide rod, and each of the worms The same end of the slider is rotatably connected to the second nut; The upper and lower ends of the two worm sliders are respectively staggered with several helical gears connected to the output shaft, so that only one of the worm sliders can be formed with one of the helical gears at the same time. Engage; Furthermore, each of the output shafts in the position selection component is detachably connected to the second gear of the first transmission assembly in the corresponding one of the pull rod components, so as to realize that at the same time only Adjust one of the phase shifters individually. 6. The phase shifter transmission device according to claim 5, characterized in that: In the tie rod component, only one first transmission assembly is provided on the two support layers respectively, and the two first transmission assemblies are staggered back and forth in the horizontal direction; The corresponding output shafts of the two adjacent helical gears in the same worm slider block are connected to the corresponding second gears of the two first transmission components in the same pull rod component. 7. The phase shifter transmission device according to claim 5, characterized in that: The sliding rod is provided with a raised edge extending along its length direction, and the inner wall of the worm slider is provided with a groove matching the upper edge of the sliding rod, through which the edge and the groove The cooperation of the worm slider and the sliding rod can not be relatively rotated; The second nut extends toward both sides of each of the sliding rods to form a connecting arm, the connecting arm is provided with a snap ring, and the end of each of the worm sliders is provided with a card slot, through which the card slot and The clamping fit of the snap ring realizes the rotational connection between the worm slider and the second nut. 8. The phase shifter transmission device according to claim 5, characterized in that: The same end of the two slide bars is rigidly connected with a drive gear, and the second screw rod is located at the same end of the slide bar and is rigidly connected with a position selection gear. The transition gear rotated by the position selection gear, the teeth of the position selection gear protrude from the outside of the transition gear, wherein the transition gear is arranged between the two drive gears and is separated from the two drive gears meshing, and the drive gear and the position selection gear are staggered back and forth; Correspondingly, the phase shifter transmission device also includes an RCU motor part that is pluggably connected to the position selection part and drives the position selection part to work, and the RCU motor part includes: two motors that are staggered forward and backward , and the output gears rigidly connected to the motor shafts of the motors respectively; Wherein, the output gear of one motor is detachably meshed with the drive gear, while the output gear of the other motor is detachably meshed with the position selection gear. 9. The phase shifter transmission device according to claim 5, characterized in that: The position selection component includes a cavity and a plurality of support rods, the second screw and each of the slide rods are respectively rotatably connected to an opposite side wall of the cavity, and each of the helical gears passes through it respectively. The support rod of the axis is rotatably connected to the other opposite side wall of the cavity; The support rod includes a rod body and a cap disposed at one end of the rod body, the helical gear is non-rotatably sleeved on the rod body, and the cap body gear is slightly larger than the size of the through hole at the axis of the helical gear To limit the position of the helical gear, a non-circular hole is provided on the end surface of the cap to detachably and relatively non-rotatably connect with the output shaft whose cross-section is non-circular. 10. The phase shifter transmission device according to claim 9, characterized in that: The end face of the cap body is set as an inner hexagonal hole, the second gear is also set as an inner hexagonal hole, the output shaft adopts a hexagonal rod, and the hexagonal rod is used to respectively plug into the support rod and the The inner hexagonal hole of the second gear realizes the quick connection between the position selection component and the pull rod component.