CN216122114U

CN216122114U - Hollow shaft motor structure for communication

Info

Publication number: CN216122114U
Application number: CN202122761819.8U
Authority: CN
Inventors: 李利; 刘炬光
Original assignee: Beijing Yongguang Gaote Micro Motor Co ltd
Current assignee: Beijing Yongguang Gaote Micro Motor Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-22
Anticipated expiration: 2031-11-11

Abstract

The application discloses a hollow shaft motor structure for communication, which comprises a shell, a signal forwarding mechanism for forwarding a luminous signal and a feedback mechanism for feeding back the position of the signal forwarding mechanism, wherein the signal forwarding mechanism and the feedback mechanism are both positioned in the shell; the signal forwarding mechanisms are provided with two, each signal forwarding mechanism is connected with one feedback mechanism through the supporting component, each signal forwarding mechanism comprises a prism group used for refracting light signals and a transmission component used for driving the prism group to rotate, the transmission component is fixedly connected with the inner wall of the machine shell, and the prism group is fixedly connected with the transmission component. The transmission assembly drives the prism group to rotate so that the prism group can reflect the optical signal emitted by the communication signal emitting equipment to the communication signal receiving equipment; the feedback mechanism feeds back the rotation angle of the transmission assembly to the control system; the signal forwarding mechanism and the feedback mechanism are both positioned in the shell, so that the size of the hollow shaft motor structure is reduced, and the hollow shaft motor structure is conveniently hung in the air by the balloon to be networked.

Description

Hollow shaft motor structure for communication

Technical Field

The application relates to the field of hollow shaft motors, in particular to a hollow shaft motor structure for communication.

Background

When communication is carried out in coastal areas, if a communication station is established in the offshore field, construction difficulty in seawater is high, and cost is high, so balloon communication is mostly adopted. The balloon communication is a communication system which uses a helium-filled balloon to hang a space forwarding device in the air, the space forwarding device forwards a signal transmitted by a communication signal transmitting device to a communication signal receiving device, and a plurality of balloons are networked to complete communication network coverage in a specific range.

In the related art, as shown in fig. 1, the space forwarding device for balloon communication includes a prism 600, a hollow shaft motor 500, and two prism motors 400 disposed in opposite directions, a U-shaped frame 700 is rotatably connected to the top end of the hollow shaft motor 500, the two prism motors 400 are disposed horizontally and coaxially, and the prism motors 400 are fixedly connected to the U-shaped frame 700. The prism 600 is located between the prism motors 400, one diameter of the prism 600 is coaxial with the hollow shaft motor 500, and the prism 600 is fixedly connected with the output shaft of the prism motor 400. An encoder for recording the rotation angle of the U-shaped frame 700 is mounted in the hollow shaft motor 500 to feed back the positions of the hollow shaft motor 500 and the prism motor 400 to the control system. The end of the hollow shaft motor 500 far away from the prism 600 faces the communication signal receiving device, the inclination angle of the prism 600 is adjusted by the prism motor 400, and the rotation angle of the U-shaped frame 700 is adjusted by the hollow shaft motor 500, so that the prism 600 refracts the optical signal sent by the communication signal transmitting device into the hollow shaft motor 500, and the optical signal passes through the hollow shaft motor 500 and reaches the communication signal receiving device.

With respect to the above related art, the inventors consider that: the prism motor and the hollow shaft motor are arranged in a split mode, and the structure of the device is not compact enough, so that the size of the device is large, and the balloon is inconvenient to hang the space forwarding device for communication in the air for networking.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the balloon to hang the space forwarding device for communication in the air for networking, the application provides a hollow shaft motor structure for communication.

The application provides a hollow shaft motor structure for communication adopts following technical scheme:

a hollow shaft motor structure for communication comprises a shell, a signal forwarding mechanism for forwarding a luminous signal and a feedback mechanism for feeding back the position of the signal forwarding mechanism, wherein the signal forwarding mechanism and the feedback mechanism are both positioned in the shell; the signal forwarding mechanism is provided with two, every the signal forwarding mechanism all connects a feedback mechanism, two through supporting component the coaxial setting of signal forwarding mechanism, signal forwarding mechanism is including the prism group that is used for refracting light signal and the transmission subassembly that is used for driving prism group pivoted, transmission subassembly and casing inner wall fixed connection, prism group and transmission subassembly fixed connection.

By adopting the technical scheme, one end of the hollow shaft motor structure faces the communication signal transmitting equipment, the other end of the hollow shaft motor structure faces the communication equipment receiving equipment, and the transmission assembly drives the prism group to rotate, so that the prism group can reflect the optical signal transmitted by the communication signal transmitting equipment to the communication signal receiving equipment; through the relative rotation of the prism groups in the two signal forwarding mechanisms, the prism groups can fold optical signals penetrating through the hollow shaft motor structure at different angles to the communication signal receiving equipment; the feedback mechanism feeds back the rotation angle of the transmission assembly to the control system so as to facilitate the control system to control the transmission assembly; the signal forwarding mechanism and the feedback mechanism are both positioned in the shell, so that the volume of the hollow shaft motor structure is reduced, the hollow shaft motor structure is convenient for the balloon to hang in the air for networking, and the hollow shaft motor structure bears the task of the space forwarding device for communication, so that the arrangement of the hollow shaft motor structure is convenient for the balloon to hang the space forwarding device for communication in the air for networking.

Optionally, the transmission assembly includes a stator and a rotor, the stator is fixedly connected in the housing, the rotor is rotatably connected in the stator, and the prism group is fixedly connected with the rotor.

Through adopting above-mentioned technical scheme, the rotor rotates under the drive of stator to the angle of refraction of adjustment prism group, thereby be convenient for the prism group receives the optical signal, and with the optical signal refraction to communication signal receiving equipment.

Optionally, the support assembly includes a support ring fixedly connected in the casing and a bearing coaxially arranged with the support ring, the outer peripheral wall of the bearing is fixedly connected with the support ring, the bearing is coaxially arranged with the rotor, and the inner peripheral wall of the bearing is fixedly connected with the rotor through a connection ring.

Through adopting above-mentioned technical scheme, the bearing is fixed in the casing through the support ring, and the bearing passes through the go-between and supports the rotor to make the rotor rotate under the support of bearing, the setting of bearing has reduced the coefficient of friction in the rotor motion process, and has guaranteed the gyration precision of rotor.

Optionally, a positioning groove for positioning the stator is formed in the support ring, and the stator is abutted to a groove wall of the positioning groove.

Through adopting above-mentioned technical scheme, the constant head tank has improved the accuracy of stator mounted position, and the staff of being convenient for assembles hollow shaft motor structure.

Optionally, the feedback mechanism includes an absolute value encoder, the absolute value encoder includes a grating disk and a reading head connected with the grating disk, the grating disk is coaxially arranged with the rotor, and the grating disk is fixedly connected with the inner wall of the bearing, and the reading head is fixedly connected with the casing through a fixing plate.

By adopting the technical scheme, the grating disk and the rotor synchronously rotate so as to conveniently record the rotation angle of the rotor; the reading head forms a pulse signal through the initial position of the prism group and the rotation angle of the rotor, and transmits the pulse signal to the control system through the cable, so that the control system can accurately control the rotation of the rotor.

Optionally, the feedback mechanism further includes a blocking ring, the blocking ring is sleeved outside the grating disc, the blocking ring is fixedly connected with the support ring, the casing, the support ring and the blocking ring enclose a wiring groove, the reading head is located in the wiring groove, a motor wire hole used for communicating the positioning groove with the wiring groove is formed in the support ring, and a wire outlet used for communicating the wiring groove with the casing is formed in the casing.

By adopting the technical scheme, the motor wire connected with the stator passes through the positioning groove, enters the wiring groove and penetrates out through the wire outlet hole, and the cable wire connected with the reading head also penetrates out of the wire outlet hole; the motor wires and the cable wires pass through the wiring grooves, and the wires are orderly arranged, so that the wires in the motor structure are clear and orderly; the motor wire, the cable wire and the grating disk are separated by the separation ring, so that the probability that the motor wire and the cable wire collide with the grating disk is reduced, and the service life of the grating disk is prolonged.

Optionally, the two reading heads are arranged at intervals along the circumferential direction of the casing.

Through adopting above-mentioned technical scheme, two reading heads set up alternately, make the axial size reduction of wiring groove along the casing to make the mechanism arrangement in the casing compacter.

Optionally, one of the reading heads faces one of the outlet holes, and the other of the reading heads faces the other outlet hole.

By adopting the technical scheme, one reading head corresponds to one wire outlet, so that cables corresponding to different reading heads are separately led out, and the signal receiving equipment is not easy to be connected wrongly when in wiring; the reading head faces the corresponding wire outlet, the cable corresponding to the reading head can directly penetrate out of the corresponding wire outlet, the wiring path of the cable in the wiring groove is reduced, namely the cables contained in the motor structure are reduced, and the volume of the wiring groove is reduced; two reading heads reverse setting, and a reading head corresponds a wire outlet, and the cable line that two reading heads correspond walks the line to opposite direction, has improved the utilization ratio of wiring groove inner space.

Optionally the casing includes first casing and the second casing of coaxial setting, first casing and a signal forwarding mechanism fixed connection, the second casing and another signal forwarding mechanism fixed connection, first casing passes through coupling assembling fixed connection with the second casing.

By adopting the technical scheme, the first shell and the second shell are internally provided with the signal forwarding mechanism and the feedback mechanism respectively, and are arranged in a split manner, so that the signal forwarding mechanism and the feedback mechanism can be conveniently installed; the first shell and the second shell are fixedly connected through the connecting component to form a shell, so that the distance between the two feedback mechanisms and the two signal mechanisms is reduced, namely the shell is compact in structure, and the size of the motor structure is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

the signal forwarding mechanism and the feedback mechanism are both positioned in the shell, so that the volume of the hollow shaft motor structure is reduced, and the hollow shaft motor structure is conveniently hung in the air by the balloon to be networked;

the reading heads of the two feedback mechanisms are arranged alternately along the axial direction of the shell, so that the space utilization rate of the wiring groove is improved, and the mechanism in the motor structure is compactly arranged.

Drawings

Fig. 1 is an overall structural diagram of the related art.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is an axial sectional view of embodiment 1, mainly showing a signal repeating mechanism and a feedback mechanism.

Fig. 4 is a partial structural sectional view of embodiment 1, mainly showing a signal relay mechanism.

Fig. 5 is a partial structural sectional view of embodiment 1, mainly showing the support member.

Fig. 6 is a partial structural sectional view of embodiment 1, mainly showing a feedback mechanism.

Fig. 7 is a partial structural sectional view of embodiment 1, mainly showing a feedback mechanism.

FIG. 8 is a partial structural sectional view of embodiment 1, mainly showing a reading head.

FIG. 9 is a partial structural sectional view of embodiment 2, mainly showing a reading head.

Description of reference numerals:

100. a signal forwarding mechanism; 110. a transmission assembly; 111. a stator; 112. a rotor; 120. a prism group; 121. a refractive prism; 130. a support assembly; 131. a support ring; 1311. positioning a groove; 1312. a motor wire hole; 132. a bearing; 133. a connecting ring; 200. a feedback mechanism; 210. an absolute value encoder; 211. a grating disk; 212. a reading head; 220. a barrier ring; 221. a yielding groove; 230. a fixing plate; 300. a housing; 310. a first housing; 320. a second housing; 330. a wire outlet hole; 340. a connecting assembly; 341. a plugboard; 3411. a communicating groove; 342. a fixing member; 350. wiring grooves; 400. a prism motor; 500. a hollow shaft motor; 600. a prism; 700. a U-shaped frame.

Detailed Description

The present application is described in further detail below with reference to figures 2-9.

The embodiment of the application discloses hollow shaft motor structure for communication.

Example 1:

referring to fig. 2 and 3, the hollow shaft motor structure includes a signal repeating mechanism 100, a feedback mechanism 200 and a housing 300, wherein the signal repeating mechanism 100 and the feedback mechanism 200 are both located in the housing 300, and the signal repeating mechanism 100 receives an optical signal and repeats the optical signal to a communication signal receiving device. Feedback mechanism 200 records the position of signal repeating mechanism 100 and feeds back to the control system to facilitate accurate control of signal repeating mechanism 100 by the control system. The signal forwarding mechanism 100 and the feedback mechanism 200 are both located in the casing 300, so that the volume of the hollow shaft motor structure is reduced, and the hollow shaft motor structure is conveniently hung in the air by the balloon to be networked.

Referring to fig. 2 and 3, the housing 300 includes a first cylindrical housing 310, a second cylindrical housing 320, and a connecting assembly 340 for connecting the first housing 310 and the second housing 320, wherein the first housing 310 and the second housing 320 have the same diameter and are coaxially disposed, and the first housing 310 and the second housing 320 are in sealing contact. The side walls of the first housing 310 and the second housing 320 are correspondingly provided with wire outlets, and when the first housing 310 and the second housing 320 are abutted, the two wire outlets are spliced to form a wire outlet hole 330. Two outlet holes 330 are provided, the two outlet holes 330 are arranged at intervals, in this embodiment, the two outlet holes 330 are arranged symmetrically with respect to the axis of the first housing 310.

Referring to fig. 3, the connection assembly 340 includes two plug boards 341 and a fixing member 342, the two plug boards 341 are disposed, the plug boards 341 are disposed coaxially with the first housing 310, the two plug boards 341 are disposed at intervals along the circumferential direction of the first housing 310, an outer circumferential wall of the plug board 341 is fixedly connected to an inner circumferential wall of the first housing 310 near the end of the second housing 320, and a communication groove 3411 for communicating with the outlet hole 330 is formed in the plug board 341. The plug board 341 is inserted into and fitted with the second housing 320, and an outer peripheral wall of the plug board 341 abuts against an inner peripheral wall of the second housing 320. The fixing member 342 is a fixing bolt, and the fixing bolt penetrates through the sidewall of the insertion plate 341 and the sidewall of the second housing 320 to fixedly connect the two.

Referring to fig. 3, the signal repeating mechanism 100 and the feedback mechanism 200 are disposed in the first housing 310 and the second housing 320, and the signal repeating mechanism 100 and the feedback mechanism 200 in the first housing 310 are described as an example.

Referring to fig. 4 and 5, the signal repeating mechanism 100 includes a transmission assembly 110, a prism assembly 120 and a support assembly 130, the support assembly 130 includes a support ring 131, a bearing 132 and a connection ring 133, the support ring 131, the bearing 132 and the connection ring 133 are all coaxially disposed with the first housing 310, and an outer circumferential wall of the support ring 131 is fixedly connected with an inner circumferential wall of the first housing 310; the outer circumferential wall of the bearing 132 is fixedly connected with the inner circumferential wall of the support ring 131, and the outer circumferential wall of the connection ring 133 is fixedly connected with the outer circumferential wall of the bearing 132. The length of the connection ring 133 in the axial direction of the first housing 310 is smaller than the length of the bearing 132 in the axial direction of the first housing 310, and the side wall of the connection ring 133 away from the second housing 320 is flush with the side wall of the bearing 132 away from the second housing 320.

Referring to fig. 4 and 5, the transmission assembly 110 includes a stator 111 and a rotor 112, a positioning groove 1311 is formed on a side wall of the support ring 131 away from the second housing 320, the stator 111 is coaxially and fixedly connected with the first housing 310, and the side wall of the stator 111 close to the second housing 320 is in plug-in fit with the positioning groove 1311. The rotor 112 is coaxially and rotatably coupled to the stator 111, and a side wall of the rotor 112 adjacent to the second housing 320 is integrally formed with a side wall of the connection ring 133 remote from the second housing 320.

Referring to fig. 4, the prism assembly 120 includes two refraction prisms 121, the two refraction prisms 121 are disposed in an inclined manner, and an outer circumferential wall of the refraction prism 121 is fixedly connected to an inner circumferential wall of the rotor 112.

Referring to fig. 4 and 6, the feedback mechanism 200 includes an absolute value encoder 210 and a blocking ring 220, the blocking ring 220 is coaxially disposed with the first housing 310, and a sidewall of the blocking ring 220 away from the second housing 320 is fixedly connected with a sidewall of the support ring 131 close to the second housing 320.

Referring to fig. 5 and 6, a wiring groove 350 is defined between the blocking ring 220, the support ring 131 and the first housing 310, the wire outlet 330 is communicated with the wiring groove 350, a motor wire hole 1312 for communicating the positioning groove 1311 with the wiring groove 350 is formed in the support ring 131, and a motor wire connected to the stator 111 passes through the motor wire hole 1312 to enter the wiring groove 350 and passes out of the motor structure through the wire outlet 330.

Referring to fig. 6, the absolute value encoder 210 includes a grating disk 211 and a reading head 212, the grating disk 211 is located in a blocking ring 220, the blocking ring 220 blocks the motor wires from the grating disk 211, and the motor wires are prevented from wearing the grating disk 211; the grating disk 211 is coaxially arranged with the rotor 112, and the outer peripheral wall of the grating disk 211 is fixedly connected with the inner peripheral wall of the bearing 132.

Referring to fig. 4 and 6, a fixing plate 230 is fixedly connected to the inside of the wiring groove 350, a length direction of the fixing plate 230 is perpendicular to an axial direction of the first housing 310, and the fixing plate 230 is fixedly connected to an inner circumferential wall of the first housing 310. The reading head 212 is disposed in the wiring groove 350, and a side wall of the reading head 212 far from the second housing 320 is fixedly connected to a side wall of the fixing plate 230 near the second housing 320. The blocking ring 220 is provided with a relief groove 221 for communicating the reading head 212 with the grating disk 211.

Referring to fig. 7, the reading heads 212 in the first housing 310 and the reading heads 212 in the second housing 320 are arranged at intervals along the circumference of the first housing 310, so that the length of the wiring groove 350 along the axial direction of the first housing 310 is reduced, and the interior of the hollow shaft motor structure is more compact.

Referring to fig. 7 and 8, the reading head 212 in the first housing 310 and the reading head 212 in the second housing 320 are arranged in the same direction and face the same outlet hole 330. The cable connected to one reading head 212 is led out through one outlet hole 330, and the cable connected to the other reading head 212 is turned in the wiring groove 350 and led out through the other outlet hole 330.

The implementation principle of the embodiment 1 of the application is as follows:

one end of the hollow shaft motor structure faces the communication signal transmitting device, and the other end faces the communication signal receiving device, so that the rotation angles of the two rotors 112 are adjusted, and the optical signals sent by the communication signal transmitting device reach the communication signal receiving device under the refraction effect of the two groups of prism groups 120.

The absolute value encoder 210 encodes the initial position of the prism group 120 and the rotation angle of the rotor, and transmits the processed signals to the control system through the optical cable, so that the control system can control the rotation angle of the rotor 112 conveniently.

Example 2:

referring to fig. 9, the present embodiment is different from embodiment 1 in that: the two reading heads 212 are arranged in opposite directions, i.e. the first reading head 212 faces one wire outlet hole 330, and the other reading head 212 faces the other wire outlet hole 330, so that the optical cable corresponding to the reading head 212 can pass through the corresponding wire outlet hole 330, and the cable does not need to be wound and turned in the wiring groove 350.

The implementation principle of embodiment 2 of the present application is as follows:

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hollow shaft motor structure for communication which characterized in that: the device comprises a machine shell (300), a signal forwarding mechanism (100) for forwarding a luminous signal and a feedback mechanism (200) for feeding back the position of the signal forwarding mechanism (100), wherein the signal forwarding mechanism (100) and the feedback mechanism (200) are both positioned in the machine shell (300);

signal forwarding mechanism (100) are provided with two, every signal forwarding mechanism (100) all connect a feedback mechanism (200), two through supporting component (130) signal forwarding mechanism (100) coaxial setting, signal forwarding mechanism (100) are including prism group (120) that are used for refracting light signal and transmission assembly (110) that is used for driving prism group (120) rotation, transmission assembly (110) and casing (300) inner wall fixed connection, prism group (120) and transmission assembly (110) fixed connection.

2. A hollow shaft motor structure for communication according to claim 1, characterized in that: the transmission assembly (110) comprises a stator (111) and a rotor (112), the stator (111) is fixedly connected in the machine shell (300), the rotor (112) is rotatably connected in the stator (111), and the prism group (120) is fixedly connected with the rotor (112).

3. A hollow shaft motor structure for communication according to claim 2, characterized in that: the support assembly (130) comprises a support ring (131) fixedly connected in the machine shell (300) and a bearing (132) coaxially arranged with the support ring (131), the outer peripheral wall of the bearing (132) is fixedly connected with the support ring (131), the bearing (132) is coaxially arranged with the rotor (112), and the inner peripheral wall of the bearing (132) is fixedly connected with the rotor (112) through a connecting ring (133).

4. A hollow shaft motor structure for communication according to claim 3, characterized in that: and the support ring (131) is provided with a positioning groove (1311) for positioning the stator (111), and the stator (111) is abutted against the groove wall of the positioning groove (1311).

5. A hollow shaft motor structure for communication according to claim 3, characterized in that: feedback mechanism (200) include absolute value encoder (210), absolute value encoder (210) include grating dish (211) and reading head (212) with grating dish (211) signal connection, grating dish (211) and rotor (112) coaxial setting, and grating dish (211) and bearing (132) inner wall fixed connection, reading head (212) are through fixed plate (230) and casing (300) fixed connection.

6. A hollow shaft motor structure for communication according to claim 5, wherein: the feedback mechanism (200) further comprises a blocking ring (220), the blocking ring (220) is sleeved outside the grating disc (211), the blocking ring (220) is fixedly connected with the supporting ring (131), the machine shell (300), the supporting ring (131) and the blocking ring (220) surround to form a wiring groove (350), the reading head (212) is located in the wiring groove (350), the supporting ring (131) is provided with a motor wire hole (1312) used for communicating the positioning groove (1311) with the wiring groove (350), and the machine shell (300) is provided with a wire outlet (330) used for communicating the wiring groove (350) with the machine shell (300).

7. A hollow shaft motor structure for communication according to claim 6, wherein: the two reading heads (212) are arranged at intervals along the circumferential direction of the machine shell (300).

8. A hollow shaft motor structure for communication according to claim 7, wherein: two wire outlet holes (330) are arranged, and the two wire outlet holes (330) are arranged at intervals.

9. A hollow shaft motor structure for communication according to claim 8, wherein: one of the reading heads (212) faces one of the wire outlet holes (330), and the other reading head (212) faces the other wire outlet hole (330).

10. A hollow shaft motor structure for communication according to claim 1, characterized in that: casing (300) are including coaxial first casing (310) and the second casing (320) that sets up, first casing (310) and a signal repeating mechanism (100) fixed connection, second casing (320) and another signal repeating mechanism (100) fixed connection, first casing (310) passes through coupling assembling (340) fixed connection with second casing (320).