Omnibearing rotation limiting device for photoelectric platform

Abstract

The utility model discloses an omnibearing rotation limiting device for a photoelectric platform, which relates to the technical field of photoelectric platforms and comprises a protection box, a platform main body arranged at the top of the protection box, a sealing door hinged with the side wall of the protection box and a charging mechanism arranged in the protection box, the driving mechanism is connected with the side wall of the protection box; the charging mechanism comprises a mounting rod fixedly connected to the bottom of the platform main body, an electromagnetic receiver fixedly connected to the interior of the mounting rod, and an electromagnetic charger embedded in a bottom plate of the protection box; the driving mechanism comprises a servo motor fixedly connected to the inner bottom wall of the protection box and a transmission part fixedly connected between the servo motor and the mounting rod and used for driving the platform body to rotate. According to the omni-directional rotation limiting device for the photoelectric platform, the electromagnetic receiver is charged through the charger, then the electromagnetic receiver transmits electric quantity to the platform body, and physical contact between devices is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of photoelectric platforms, in particular to an omnidirectional rotation limiting device for photoelectric platforms. Background Art

[0002] The optoelectronic platform is a platform that integrates optical and electronic technologies. It is used to support the development and research of optical instruments, optical sensors, optical communications and other applications. In order to obtain the best observation effect, the monitoring mechanism is often required to be able to rotate 360° continuously. Currently, a conductive slip ring is usually set in the middle of the shaft to achieve this.

[0003] However, the use of conductive slip rings will not only increase the cost of the equipment, but also occupy a certain amount of installation control, resulting in an increase in the overall size of the equipment. At the same time, since the stator and rotor of the slip ring require the use of special welding cables, assembly and maintenance are more difficult. Utility Model Content

[0004] The main purpose of the utility model is to provide an omnidirectional rotation limit device for a photoelectric platform, which solves the problem of difficulty in assembly and maintenance due to the need to use special welding cables for the stator and rotor of the slip ring through a charging mechanism.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An all-round rotation limit device for a photoelectric platform, comprising a protection box, a platform body arranged on the top of the protection box, and a sealing door hinged to the side wall of the protection box, a charging mechanism arranged inside the protection box, and a driving mechanism connected to the side wall of the protection box;

[0007] The charging mechanism includes a mounting rod fixedly connected to the bottom of the platform body, an electromagnetic receiver fixedly connected inside the mounting rod, and an electromagnetic charger embedded inside the bottom plate of the protection box;

[0008] The driving mechanism comprises a servo motor fixedly connected to the inner bottom wall of the protection box, and a transmission member fixedly connected between the servo motor and the mounting rod for driving the platform body to rotate.

[0009] Preferably, the transmission member comprises a main gear fixedly connected to the outer side wall of the servo motor output end, and a transmission gear fixedly connected to the outer side wall of the mounting rod, and the main gear is meshed with the transmission gear.

[0010] Preferably, the driving mechanism further comprises a positioning sleeve fixedly connected to the inner bottom wall of the protection box, and the inner diameter of the positioning sleeve is equal to the inner diameter of the mounting rod.

[0011] Preferably, the driving mechanism further comprises a limiting groove provided on the outer side wall of the mounting rod, and a first limiting member and a second limiting member fixedly connected to the inner side wall of the protection box.

[0012] Preferably, the first limiting member includes a bearing block fixedly connected to the inner wall of the protection box, a first electric push rod fixedly connected to the outer wall of the bearing block, and a limiting block fixedly connected to the output end of the first electric push rod.

[0013] Preferably, the second limiting member and the first limiting member have the same composition structure, and the two are symmetrical about the central axis of the positioning sleeve.

[0014] Preferably, the driving mechanism further comprises a sealing sleeve fixedly connected to the bottom of the platform body, an O-shaped groove provided at the bottom of the platform body, and a ball bearing rotatably connected to the inner side wall of the O-shaped groove.

[0015] Preferably, the driving mechanism further comprises a second electric push rod fixedly connected to the inner side wall of the protection box, and a stop plate fixedly connected to the output end of the second electric push rod.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the utility model, the positioning of the platform body is achieved by inserting the platform body into the interior of the protection box and inserting the mounting rod into the interior of the positioning sleeve. At this time, the ball is in contact with the upper surface of the protection box, the sealing sleeve dynamically seals the protection box, the limit groove is opposite to the opening of the limit block, and the main gear is meshed with the transmission gear, and then the first limit piece and the second limit piece are started, so that the two first electric push rods drive the two limit blocks to move toward each other, so as to engage the two limit blocks in the limit grooves, thereby limiting the mounting rod, and then starting the servo motor so that the servo motor drives the main gear to rotate, and then drives the transmission gear meshed with it to rotate, and then drives the mounting rod and the platform body to rotate in all directions. When it rotates to the specified position, the stop plate is driven to move by the second electric push rod until the stop plate is abutted against the main gear, thereby fixing the main gear and achieving fixation of the platform body.

[0018] 2. In the utility model, the electromagnetic receiver is charged by the electromagnetic charger, and then the electromagnetic receiver transmits the electricity to the platform body. In this process, no physical contact between the devices is required, which reduces the possibility of wear on the device joints and increases the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the platform main body of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the first limiting member and the second limiting member of the utility model.

[0023] In the figure: 1. protective box; 2. platform body; 3. sealed door; 401. mounting rod; 402. electromagnetic receiver; 403. electromagnetic charger; 501. positioning sleeve; 502. servo motor; 503. main gear; 504. transmission gear; 505. bearing block; 506. first electric push rod; 507. limit block; 508. limit groove; 509. sealing sleeve; 5010. O-shaped groove; 5011. ball; 5012. second electric push rod; 5013. stop plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] Embodiment 1: Figure 1-4 As shown, an all-round rotation limit device for a photoelectric platform comprises a protection box 1, a platform body 2 arranged on the top of the protection box 1, and a sealing door 3 hinged to the side wall of the protection box 1, and also comprises a charging mechanism arranged inside the protection box 1, and a driving mechanism connected to the side wall of the protection box 1;

[0026] The charging mechanism includes a mounting rod 401 fixedly connected to the bottom of the platform body 2, an electromagnetic receiver 402 fixedly connected inside the mounting rod 401, and an electromagnetic charger 403 embedded inside the bottom plate of the protection box 1;

[0027] The driving mechanism includes a servo motor 502 fixedly connected to the inner bottom wall of the protection box 1 , and a transmission member fixedly connected between the servo motor 502 and the mounting rod 401 for driving the platform body 2 to rotate.

[0028] The transmission member includes a main gear 503 fixedly connected to the outer wall of the output end of the servo motor 502, and a transmission gear 504 fixedly connected to the outer wall of the mounting rod 401. The main gear 503 is meshed with the transmission gear 504. Through the cooperation between the main gear 503 and the transmission gear 504, the servo motor 502 can drive the mounting rod 401 and the platform body 2 to rotate.

[0029] The driving mechanism also includes a positioning sleeve 501 fixedly connected to the inner bottom wall of the protection box 1, the inner diameter of the positioning sleeve 501 is equal to the inner diameter of the mounting rod 401, wherein a through hole is opened on the top of the protection box 1, and the central axis of the through hole coincides with the central axis of the positioning sleeve 501.

[0030] The driving mechanism further includes a limiting groove 508 formed on the outer side wall of the mounting rod 401 , and a first limiting member and a second limiting member fixedly connected to the inner side wall of the protection box 1 .

[0031] The first limiting member includes a supporting block 505 fixedly connected to the inner wall of the protective box 1, a first electric push rod 506 fixedly connected to the outer wall of the supporting block 505, and a limiting block 507 fixedly connected to the output end of the first electric push rod 506, wherein the limiting block 507 is a semicircular ring, and the inner diameter of the limiting block 507 is equal to the outer diameter of the limiting groove 508.

[0032] The second limiting member has the same structure as the first limiting member, and the two are symmetrical about the central axis of the positioning sleeve 501 .

[0033] The driving mechanism also includes a sealing sleeve 509 fixedly connected to the bottom of the platform body 2, an O-shaped groove 5010 opened at the bottom of the platform body 2, and a ball 5011 rotatably connected to the inner wall of the O-shaped groove 5010, wherein the outer diameter of the sealing sleeve 509 is equal to the inner diameter of the through hole, and there are several balls 5011, which are distributed in a circular array with the central axis of the platform body 2 as the origin, and the outer wall of each ball 5011 extends to the outer surface of the platform body 2.

[0034] The driving mechanism also includes a second electric push rod 5012 fixedly connected to the inner wall of the protective box 1, and a stop plate 5013 fixedly connected to the output end of the second electric push rod 5012, wherein the stop plate 5013 is made of rubber material, and the stop plate 5013 is driven to move by the second electric push rod 5012 until the stop plate 5013 is abutted against the main gear 503, thereby fixing the main gear 503.

[0035] The platform body 2 is positioned by inserting the platform body 2 into the interior of the protection box 1 and inserting the mounting rod 401 into the interior of the positioning sleeve 501. At this time, the ball 5011 fits with the upper surface of the protection box 1, the sealing sleeve 509 dynamically seals the protection box 1, the limiting groove 508 faces the opening of the limiting block 507, and the main gear 503 is meshed with the transmission gear 504. Then, the first limiting member and the second limiting member are started, so that the two first electric push rods 506 drive the two limiting blocks 507 to move toward each other, so that the two limiting blocks 507 are moved. 07 is engaged in the limit groove 508, thereby limiting the installation rod 401, and then the servo motor 502 is started, so that the servo motor 502 drives the main gear 503 to rotate, and then drives the transmission gear 504 meshing therewith to rotate, and then drives the installation rod 401 and the platform body 2 to rotate in all directions. When it rotates to the specified position, the stop plate 5013 is driven to move by the second electric push rod 5012 until the stop plate 5013 is in contact with the main gear 503, thereby fixing the main gear 503 and fixing the platform body 2.

[0036] Embodiment 2: Figure 1-4 As shown, an all-round rotation limit device for a photoelectric platform comprises a protection box 1, a platform body 2 arranged on the top of the protection box 1, and a sealing door 3 hinged to the side wall of the protection box 1, and also comprises a charging mechanism arranged inside the protection box 1, and a driving mechanism connected to the side wall of the protection box 1;

[0037] The charging mechanism includes a mounting rod 401 fixedly connected to the bottom of the platform body 2, an electromagnetic receiver 402 fixedly connected inside the mounting rod 401, and an electromagnetic charger 403 embedded inside the bottom plate of the protection box 1;

[0038] The driving mechanism includes a servo motor 502 fixedly connected to the inner bottom wall of the protection box 1 , and a transmission member fixedly connected between the servo motor 502 and the mounting rod 401 for driving the platform body 2 to rotate.

[0039] When the device is installed, the electromagnetic receiver 402 is charged by the electromagnetic charger 403, and then the electromagnetic receiver 402 transmits the electricity to the platform body 2. In this process, no physical contact between the devices is required, which reduces the possibility of wear on the device joints and increases the service life of the device. In addition, the platform body 2 can be disassembled by simply reversing the operation of Example 1, which facilitates the inspection of the platform body 2. By opening the sealing door 3, the internal components of the protective box 1 can be inspected.

Claims

1. An all-round rotation limit device for a photoelectric platform, comprising a protection box (1), a platform body (2) arranged on the top of the protection box (1), and a sealing door (3) hinged to the side wall of the protection box (1), characterized in that: It also includes a charging mechanism arranged inside the protection box (1), and a driving mechanism connected to the side wall of the protection box (1); The charging mechanism comprises a mounting rod (401) fixedly connected to the bottom of the platform body (2), an electromagnetic receiver (402) fixedly connected inside the mounting rod (401), and an electromagnetic charger (403) embedded inside the bottom plate of the protection box (1); The driving mechanism comprises a servo motor (502) fixedly connected to the inner bottom wall of the protection box (1), and a transmission member fixedly connected between the servo motor (502) and the mounting rod (401) for driving the platform body (2) to rotate.

2. The omnidirectional rotation limiting device for a photoelectric platform according to claim 1, characterized in that: The transmission member comprises a main gear (503) fixedly connected to the outer wall of the output end of the servo motor (502), and a transmission gear (504) fixedly connected to the outer wall of the mounting rod (401), and the main gear (503) is meshed with the transmission gear (504).

3. The omnidirectional rotation limiting device for a photoelectric platform according to claim 2, characterized in that: The driving mechanism further comprises a positioning sleeve (501) fixedly connected to the inner bottom wall of the protection box (1), and the inner diameter of the positioning sleeve (501) is equal to the inner diameter of the mounting rod (401).

4. The omnidirectional rotation limiting device for a photoelectric platform according to claim 3, characterized in that: The driving mechanism further comprises a limiting groove (508) formed on the outer side wall of the mounting rod (401), and a first limiting member and a second limiting member fixedly connected to the inner side wall of the protection box (1).

5. The omnidirectional rotation limiting device for a photoelectric platform according to claim 4, characterized in that: The first limiting member comprises a bearing block (505) fixedly connected to the inner wall of the protection box (1), a first electric push rod (506) fixedly connected to the outer wall of the bearing block (505), and a limiting block (507) fixedly connected to the output end of the first electric push rod (506).

6. The omnidirectional rotation limiting device for a photoelectric platform according to claim 5, characterized in that: The second limiting member has the same composition structure as the first limiting member, and the two are symmetrical about the central axis of the positioning sleeve (501).

7. The omnidirectional rotation limiting device for a photoelectric platform according to claim 6, characterized in that: The driving mechanism further comprises a sealing sleeve (509) fixedly connected to the bottom of the platform body (2), an O-shaped groove (5010) provided at the bottom of the platform body (2), and a ball (5011) rotatably connected to the inner wall of the O-shaped groove (5010).

8. The omnidirectional rotation limiting device for a photoelectric platform according to claim 7, characterized in that: The driving mechanism further comprises a second electric push rod (5012) fixedly connected to the inner wall of the protection box (1), and a stop plate (5013) fixedly connected to the output end of the second electric push rod (5012).

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