CN207945441U - A kind of holder - Google Patents

Abstract

The utility model is related to monitoring system technical field more particularly to a kind of holders.The holder includes holder holder, pitching module, turn round module and camera mounting portion, the camera mounting portion is mounted on the revolution module, the revolution module is mounted on the pitching module, and conducting slip ring is equipped between the revolution module and the pitching module, the pitching module is mounted on the holder holder, wherein, the revolution module drives the camera mounting portion to rotate horizontally, the pitching module drives the revolution module and the camera mounting portion vertical rotary, the holder uses modularized design, it is not only simple in structure, and the cable connection turned round between module and pitching module carries out cable connection conversion using conducting slip ring, Internal cable is avoided to generate winding when holder is executed and rotated horizontally, so that camera mounting portion can rotate horizontally the arbitrary number of turns.

Description

a cloud platform

technical field

The utility model relates to the technical field of monitoring systems, in particular to a cloud platform.

Background technique

The structural design of the gimbal determines the ability of the gimbal shooting equipment to obtain surrounding image information to a certain extent. People are paying more and more attention to the modularization and simplification of the gimbal structure while pursuing a larger shooting range and good shooting effects. design.

Utility model content

The purpose of the utility model is to provide a modular cloud platform with two degrees of freedom and simple structure.

In order to achieve the above object, the utility model provides a cloud platform, including a platform bracket, a pitch module, a rotary module and a camera installation part, the camera installation part is installed on the rotary module, and the rotary module is installed on the A pitch module, and a conductive slip ring is provided between the rotary module and the pitch module, the pitch module is installed on the pan-tilt bracket, wherein the rotary module drives the camera mounting part to rotate horizontally, the The tilting module drives the slewing module and the camera mounting part to rotate vertically.

Preferably, the pan-tilt bracket includes a base, a base pipe and a U-shaped pipe, both of which are hollow structures, and the U-shaped pipe passes through the base pipe and the The base is connected, and the pitch module is connected with the U-shaped pipe.

Preferably, the pitch module includes a first motor, a first worm, a first worm wheel and a neck tee, the first motor is arranged in the U-shaped tube, and the first worm and the first motor The output shaft is connected, the first worm wheel is fixedly sleeved in the first hollow part of the neck tee, and the first worm meshes with the first worm wheel to drive the neck tee to rotate.

Preferably, the rotary module includes a second motor, a second worm, a second worm gear, a hollow shaft, and a rotating part, one end of the hollow shaft extends into the camera installation part, and the second worm gear is fixedly sleeved on the hollow shaft and located in the camera installation part, the output shaft of the second motor is connected to the second worm, and the second worm is meshed with the second worm wheel;

The other end of the hollow shaft is connected to the third hollow part of the neck tee, the stator end of the conductive slip ring is connected to the hollow shaft, and the cable drawn from the camera mounting part is connected to the conductive slip ring The rotor end connection;

The rotating part is sleeved on the outside of the hollow shaft through a bearing, and one end is fixedly connected to the camera mounting part, and rotates around the hollow shaft together with the camera mounting part.

Preferably, the output shaft of the second motor is arranged parallel to the second worm, and a transmission gear is respectively provided on the output shaft of the second motor and the second worm, and the two transmission gears are meshed for transmission.

Preferably, a first gear is fixedly sheathed on the hollow shaft, and a second gear meshing with the first gear is also provided on one side of the first gear, and the second gear is fixed by a rotating shaft In the camera installation part, the second gear drives the rotation shaft to rotate relative to the camera installation part, and a first position sensor for detecting the rotation angle of the rotation shaft is also provided in the camera installation part.

Preferably, a first housing is provided outside the first hollow part of the neck tee, and the first housing is connected to the first hollow part through a bearing;

A second housing is provided on the outside of the second hollow, and the second housing is connected to the second housing through a bearing;

The first hollow part can rotate relative to the first housing, and the second hollow part can rotate relative to the second housing.

Preferably, a second position sensor for detecting the rotation angle of the second hollow part is further provided in the second housing.

Preferably, limit blocks are provided on both sides of the neck tee, and arc-shaped limit slots corresponding to the limit blocks are respectively provided on the first housing and the second housing to limit the camera The vertical rotation angle of the mounting part.

Preferably, the rotating shaft is provided with two spaced apart bearings, one bearing is connected to the rotating shaft support, the rotating shaft support is connected to the camera mounting part, and the other bearing is connected to the camera mounting part.

The above-mentioned technical solution of the utility model has the following advantages: the cloud platform provided by the utility model includes a platform bracket, a pitch module, a rotary module and a camera mounting part, the camera mounting part is installed on the rotary module, and the rotary module Installed on the pitch module, and a conductive slip ring is provided between the rotary module and the pitch module, the pitch module is installed on the pan-tilt bracket, wherein the rotary module drives the camera mounting part horizontally Rotate, the pitch module drives the slewing module and the camera mounting part to rotate vertically, the gimbal adopts a modular design, not only has a simple structure, but also uses a conductive slip ring for the cable connection between the slewing module and the pitching module. The cable connection conversion prevents the internal cables from being entangled when the gimbal performs horizontal rotation, so that the camera mounting part can rotate any number of times horizontally.

Description of drawings

Fig. 1 is the structural representation of the cloud platform of the utility model embodiment;

Fig. 2 is a schematic structural diagram of some parts of the rotary module located in the camera installation part of the embodiment of the present invention;

Fig. 3 is a schematic diagram of the structure of the pan-tilt with the camera mounting part removed in the embodiment of the utility model;

Fig. 4 is the A-A sectional schematic diagram of Fig. 3;

Fig. 5 is the right view of Fig. 3;

Fig. 6 is the B-B sectional schematic view of Fig. 5;

Fig. 7 is a structural schematic diagram of another angle after removing the first casing and the second casing in Fig. 3;

Fig. 8 is an enlarged schematic diagram of part A of Fig. 1;

Fig. 9 is a structural schematic diagram of the neck tee of the embodiment of the utility model.

In the figure: 20: camera mounting part; 21: pan-tilt bracket; 211: base; 212: base tube; 213: U-shaped tube; 22: pitch module; 221: first motor; 222: first worm; 223 : first worm gear; 224: neck tee; 2241: first hollow part; 2242: second hollow part; 2243: third hollow part; 2244: limit block; 23: rotary module; 231: second motor; 232: second worm; 233: second worm gear; 234: hollow shaft; 235: worm fixing seat; 236: rotating part; 237: transmission gear; 241: first gear; 242: second gear; 243: rotating shaft; 244: rotating shaft bracket; 25: first housing; 251: arc-shaped limiting groove; 26: second housing; 261: cover; 27: bearing; 28: nut; 29: conductive slip ring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, the cloud platform provided by the embodiment of the utility model includes a platform bracket 21, a pitch module 22, a rotary module 23 and a camera mounting part 20, wherein the camera mounting part 20 is installed on the rotary module 23 for Install the camera equipment, the rotary module 23 can drive the camera mounting part 20 to rotate horizontally, the rotary module 23 is installed on the pitch module 22, and a conductive slip ring 29 is provided between the rotary module 23 and the pitch module 22, so that the pitch module 22 can rotate the module 23 and the cables of the pitch module 22 are separated by rotation, so as to prevent the cables from being entangled during the rotation. The pitch module 22 is installed on the pan-tilt support 21, so that the camera equipment located in the camera installation part 20 has a certain height and can broaden the field of vision. The pitch module 22 is at least partly rotatable relative to the pan-tilt bracket 21 , thereby driving the swivel module 23 and the camera mounting part 20 to rotate vertically. Realize the rotation of the camera mounting part 20 in both horizontal and vertical directions, so that the camera equipment can obtain shooting in all horizontal directions and large pitch angles. Modular structure composition, simple structure.

As shown in Figure 1, preferably, the pan/tilt bracket 21 includes a base 211, a base tube 212 and a U-shaped tube 213, wherein the U-shaped tube 213 and the base tube 212 are both hollow structures, and the U-shaped tube 213 passes through The base pipe 212 communicates with the base 211 , so that the cables are led to the base 211 , and the pitch module 22 is connected with the U-shaped pipe 213 . The cables are routed through the hollow structure inside the gimbal bracket, and the design of no exposed wires is not only beautiful, but also can effectively protect the cables and improve the protection level of the gimbal.

Preferably, the base 211 is provided with a D-type mixed connector, which is convenient for installation on other devices. For example, when installed on a robot, it can be quickly interconnected and disconnected from the mobile chassis of the robot, which is convenient for folding and assembling.

As shown in Fig. 1, Fig. 3 and Fig. 4, in a preferred embodiment, the U-shaped tube 213 is composed of three parts, including a U-shaped tube base, two detachable straight tubes, and the two straight tubes can not only extend the U-shaped The length of the molded tube 213 can also be assembled with some components of the pitch module 22 first, and then assembled as a whole after forming the module, which is convenient for installation. The two straight pipes can be threaded, plugged or clamped with the U-shaped pipe seat.

Certainly, the straight pipe can also be used only to extend the length of the U-shaped pipe 213 , and at this time, preferably, the straight pipe and the U-shaped pipe 213 are welded.

In a preferred embodiment, as shown in Figure 4, Figure 6 and Figure 7, the pitch module 22 includes a first motor 221, a first worm 222, a first worm gear 223 and a neck tee 224, wherein the first motor 221 is set In the U-shaped pipe 213, the first worm 222 is connected to the output shaft of the first motor 221, the first worm gear 223 is fixedly sleeved in the first hollow part 2241 of the neck tee 224, the first worm 222 and the first worm gear 223 The meshing drives the neck tee 224 to rotate, thereby driving the camera mounting part to rotate vertically. Preferably, the rotation angle ranges from -45° to +90°.

Preferably, the first motor 221 adopts a hollow cup motor to reduce the weight of the pan-tilt and make the overall structure of the pan-tilt more compact.

Preferably, as shown in FIG. 4 , the first worm 222 is fixed on the first casing 25 through a bearing 27 . Both the first motor 221 and the first worm 222 are installed vertically, the first motor 221 is located in the U-shaped tube 213, and the first worm 222 partially extends out of the U-shaped tube 213 to engage with the first worm wheel 223, making the structure more compact.

Preferably, as shown in FIGS. 2 and 6 , the rotary module 23 includes a second motor 231 , a second worm 232 , a second worm wheel 233 , a hollow shaft 234 , and a rotating part 236 , and one end of the hollow shaft 234 extends into the camera mounting part 20 , the second worm wheel 233 is fixedly sleeved on the hollow shaft 234, and is located in the camera installation part 20, the output shaft of the second motor 231 is connected with the second worm 232, the second worm 232 meshes with the second worm wheel 233, and the hollow shaft 234 The other end is connected with the third hollow part 2243 of the neck tee 224, preferably, the connection is sealed by a sealing ring. The conductive slip ring 29 is located in the hollow shaft 234, the stator end of the conductive slip ring is connected to the hollow shaft 234, and the cable drawn from the camera mounting part 20 is connected to the rotor end of the conductive slip ring.

As shown in Figure 6, the rotating part 236 is sleeved on the outside of the hollow shaft 234 through the bearing 27, and one end is fixedly connected to the camera mounting part 20. As can be seen from the above, one end of the hollow shaft 234 is connected to the neck tee 224, and it cannot be opposite to the neck. The tee 224 rotates, and when the camera mounting part 20 is rotating, the second worm wheel 233 is fixedly sleeved on the hollow shaft 234, neither of which rotates, but the second worm 232 drives the camera mounting part 20 to rotate around the second worm wheel 233, The rotation part 236 rotates together with the camera installation part 20, so that the rotation of the camera installation part 20 is more stable. In addition, some parts of the swivel module 23 are located in the camera installation part 20, so that the gimbal structure is more compact.

Preferably, the second motor 231 adopts a hollow cup motor to reduce the weight of the pan-tilt and make the overall structure of the pan-tilt more compact.

As shown in FIG. 1 and FIG. 2 , the camera installation part 20 is divided into an upper housing installation part and a lower housing installation part, which facilitates the installation of the rotary module 22 and the camera equipment.

A high-definition integrated camera can be installed in the camera installation part 20, and is equipped with a heating and cooling lamp infrared light compensation system and an anti-reflection cover, which can obtain high-quality image information in a low-light environment. Optimize the image quality of HD cameras.

Preferably, a skeleton oil seal is provided between the rotating part 236 and the hollow shaft 234, and a sealing ring is provided between other static contact surfaces to improve the sealing effect of the pan/tilt, so that it can be applied in complex and harsh environments.

In order to make the structural layout more compact, preferably, as shown in FIG. 2 , the output shaft of the second motor 231 is arranged parallel to the second worm 232 , and a transmission drive is respectively arranged on the output shaft of the second motor 231 and the second worm 232 . Gear 237, two transmission gears 237 mesh transmission.

Preferably, as shown in FIG. 2 , the second worm 232 is connected to the camera mounting part 20 through a worm fixing seat 235 , the second worm 232 can rotate relative to the worm fixing seat 235 , and the second motor 231 is fixed on the outside of the worm fixing seat 235 . The worm fixing seat 235 is provided with an arc-shaped concave portion matched with the second worm wheel 233, which can minimize the occupied space and make the structure more compact.

In order to further improve the sealing effect, as shown in Figure 1 and Figure 6, a first housing 25 is provided on the outside of the first hollow part 2241 of the neck tee 224, and the first housing 25 is fixed on the U-shaped pipe 213, And connect with the first hollow part 2241 through the bearing 27, the outside of the second hollow part 2242 is provided with the second housing 26, the second housing 26 is also fixed on the U-shaped pipe 213, and through the bearing 27 and the second housing 26, so that the first hollow part 2241 can rotate relative to the first housing 25, and the second hollow part 2242 can rotate relative to the second housing 2242.

As shown in Figure 6, preferably, the outer end of the second housing 26 is also provided with a cover 261, and a sealing ring is provided between the contact surface of the cover 261 and the second housing 26, and the first housing 25 and Skeleton oil seals are provided between the first hollow parts 2241 and between the second housing 26 and the second hollow part 2242 .

In order to obtain the rotation angle of the pan/tilt, as shown in Figure 2, a first gear 241 is fixedly sleeved on the hollow shaft 234, and a second gear 242 meshing with the first gear 241 is arranged on one side of the first gear 241. The second gear 224 fixes the camera mounting part 20 through the rotating shaft 243, and the second gear 242 can drive the rotating shaft 243 to rotate relative to the camera mounting part 20. The camera mounting part 20 is also provided with a first device for detecting the rotation angle of the rotating shaft 243. A position sensor, when the pan/tilt rotates, the second worm 232 drives the camera mounting part 20 to rotate around the second worm wheel 233, at this time the second gear 242 rotates with the camera mounting part 20, that is, rotates around the first gear 241, and because the second The second gear 242 meshes with the first gear 241, so the second gear 242 also rotates at the same time. The first position sensor detects the rotation angle of the rotation shaft 243 to obtain the rotation angle of the camera mounting part 20, which is convenient for adjustment and precise control.

Preferably, as shown in FIG. 6 , the hollow shaft 234 is provided with a nut 28 for axially limiting the first gear 241 , and the nut 28 is threadedly engaged with the hollow shaft 234 to lock the first gear 241 in the axial direction. , to realize the axial limit of the first gear 241 .

Preferably, the rotating shaft 243 is covered with two spaced apart bearings 27 (not shown in the figure), and the outer ring of one of the bearings 27 is connected with the rotating shaft bracket 244, and the rotating shaft bracket 244 is connected with the camera mounting part 20, The outer ring of the other bearing 27 is connected to the camera mounting part 20 , so that the rotating shaft 243 and the second gear 242 are rotatably fixed on the camera mounting part 20 .

In order to obtain the pitch rotation (vertical rotation) angle of the pan/tilt, a second position sensor is provided in the second housing 26, and the second position sensor obtains the pitch rotation ( Vertical rotation) angle for easy adjustment and precise control.

In a preferred embodiment, as shown in FIG. 1, FIG. 8 and FIG. 9, limit blocks 2244 are provided on both sides of the neck tee 224, and the first housing 25 and the second housing 26 are respectively provided with The arc-shaped limiting groove 251 corresponding to the limiting block limits the vertical rotation angle of the camera mounting part 20 . Through the mechanical limit structure, the overrunning of the rotation is avoided, and the motor and the mechanical structure are effectively protected from damage.

In the preferred embodiment above, both the swivel module 23 and the pitch module 22 of the pan/tilt are driven by the worm gear structure, so that the operation is stable and the picture shakes little, and the self-locking characteristics of the worm gear can be used to realize reliable positioning. Through the modular design, the The overall structure of the pan/tilt is simple and compact. The pan/tilt can have a larger coverage of the viewing area through the rotation module 23 and the pitching module 22. When it is installed on the robot, it can realize the full coverage of the required viewing area; 23 and the pitch module 22 are connected by a conductive slip ring 29 to avoid internal cables being entangled when the gimbal performs horizontal rotation, so that the camera mounting part 20 can be rotated horizontally for any number of turns.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (10)

1. A cloud platform, characterized in that: comprising a platform bracket, a pitch module, a rotary module and a camera mounting part, the camera mounting part is mounted on the rotary module, the rotary module is mounted on the pitch module, and A conductive slip ring is provided between the slewing module and the pitch module, and the pitch module is installed on the pan/tilt bracket; Wherein, the rotation module drives the camera installation part to rotate horizontally, and the pitch module drives the rotation module and the camera installation part to rotate vertically. 2. cloud platform according to claim 1, is characterized in that: described platform support comprises base, base tube and U-shaped tube, and described U-shaped tube and described base tube are hollow structures, so The U-shaped pipe communicates with the base through the base pipe, and the pitch module is connected with the U-shaped pipe. 3. The cloud platform according to claim 2, characterized in that: the pitch module includes a first motor, a first worm, a first worm wheel and a neck tee, and the first motor is arranged in the U-shaped tube , the first worm is connected to the output shaft of the first motor, the first worm gear is fixedly sleeved in the first hollow part of the neck tee, and the first worm and the first worm gear mesh , to drive the neck tee to rotate. 4. The cloud platform according to claim 3, characterized in that: the rotary module includes a second motor, a second worm, a second worm wheel, a hollow shaft, and a rotating part, and one end of the hollow shaft extends into the camera mounting part, The second worm gear is fixedly sleeved on the hollow shaft and located in the camera installation part, the output shaft of the second motor is connected to the second worm, and the second worm is connected to the second worm gear Engage; The other end of the hollow shaft is connected to the third hollow part of the neck tee, the stator end of the conductive slip ring is connected to the hollow shaft, and the cable drawn from the camera mounting part is connected to the conductive slip ring The rotor end connection; The rotating part is sleeved on the outside of the hollow shaft through a bearing, and one end is fixedly connected to the camera mounting part, and rotates around the hollow shaft together with the camera mounting part. 5. The cloud platform according to claim 4, characterized in that: the output shaft of the second motor is arranged parallel to the second worm, and on the output shaft of the second motor and the second worm A transmission gear is respectively provided, and the two transmission gears are meshed for transmission. 6. The cloud platform according to claim 4, characterized in that: a first gear is fixedly sleeved on the hollow shaft, and a gear meshing with the first gear is also provided on one side of the first gear. The second gear, the second gear fixes the camera mounting part through the rotating shaft, the second gear drives the rotating shaft to rotate relative to the camera mounting part, and the camera mounting part is also provided with a camera for detecting the rotation First position sensor for shaft rotation angle. 7. The cloud platform according to claim 3, characterized in that: the outer side of the first hollow part of the neck tee is provided with a first shell, and the first shell is connected to the first shell through a bearing. Hollow connection; A second housing is provided on the outside of the second hollow, and the second housing is connected to the second housing through a bearing; The first hollow part can rotate relative to the first housing, and the second hollow part can rotate relative to the second housing. 8 . The cloud platform according to claim 7 , wherein a second position sensor for detecting the rotation angle of the second hollow part is further provided in the second casing. 9. The cloud platform according to claim 7, characterized in that: the two sides of the neck tee are provided with limiting blocks, and the first housing and the second housing are respectively provided with the limiting blocks. The corresponding arc-shaped limiting groove limits the vertical rotation angle of the camera mounting part. 10. The cloud platform according to claim 6, characterized in that two spaced bearings are provided outside the rotating shaft, one bearing is connected to the rotating shaft bracket, and the rotating shaft bracket is connected to the camera mounting part , the other bearing is connected with the camera mount.