Horizontal rotary table device for scanner

Abstract

The utility model provides a horizontal turntable device for a scanner, which comprises a base, a rotating turntable arranged on the base, and an encoder arranged between the base and the turntable, the encoder comprises a reading head and a coded disc, the reading head is arranged on the turntable, an external tooth slewing bearing is arranged between the base and the turntable, and the base is connected with the coded disc. The whole structure is small in size, light in weight, compact in structure, small in occupied space, capable of reducing the weight of the whole equipment, convenient to carry, capable of being suitable for field operation or space-limited scenes, simple and rapid in installation and low in cost. The structure of the encoder, the base, the rotary table and the outer tooth slewing bearing can simply and efficiently achieve 360-degree rotation, meanwhile, the rotation precision of the whole structure during rotation can be guaranteed, and the large popularization value is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of laser scanning, especially to a horizontal rotary table device for a scanner. BACKGROUND

[0002] The horizontal rotating device in the three-dimensional laser scanner is an important part of the equipment, which allows the scanner to rotate 360 degrees in the horizontal direction. This function is essential for capturing the surrounding environment comprehensively, especially when the complete three-dimensional scene needs to be scanned. The current rotating structure in the scanner horizontal rotating device is basically a combination of two separate parts, bearing and gear, which has a large volume and is relatively heavy, occupies more space, increases the weight of the overall equipment, is not suitable for portable devices or space-limited applications, reduces portability, and is not very friendly to field operations or space-limited scenes. At the same time, the rotating structure of the existing scanner has the problems of complex combination installation of the bearing and gear, high cost, and increased manufacturing and maintenance complexity. Therefore, we propose a horizontal rotary table device for a scanner to solve the above problems. SUMMARY

[0003] The utility model provides a horizontal rotary table device for a scanner, which solves the problems of large volume and heavy weight of the scanner horizontal rotating device, more space occupation, increased weight of the overall equipment, unsuitability for portable devices or space-limited applications, and unfriendliness to field operations or space-limited scenes. At the same time, the horizontal rotating device has the problems of complex installation and high cost.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a horizontal rotary table device for a scanner, which includes a base, a rotating turntable on the base, an encoder between the base and the turntable, the encoder including a read head and a code disc, the read head on the turntable, an outer tooth rotary support between the base and the turntable, and the base connected with the code disc.

[0005] In the preferred scheme, the base bottom is provided with a bottom plate.

[0006] In the preferred scheme, the base is provided with a slip ring seat, and the slip ring seat bottom is connected with the base.

[0007] In the preferred scheme, the slip ring seat is provided with a slip ring, the slip ring is installed on the slip ring seat, and one end of the slip ring extends out of the turntable.

[0008] In the preferred scheme, the slip ring seat top is provided with a code disc.

[0009] In the preferred scheme, the turntable top is provided with a motor seat, the motor seat is provided with a motor, and the motor output end is provided with a pinion.

[0010] In the preferred scheme, the outer-tooth slewing bearing comprises an outer ring and an inner ring, the outer ring and the inner ring are in bearing form, the outer ring is provided with a gear ring outside, and the bottom of the outer ring is provided with a screw.

[0011] In the preferred scheme, the inner ring is connected with the rotating disc, the outer ring is connected with the base through the screw, and the gear ring is engaged with the pinion.

[0012] The beneficial effects of the utility model are as follows: when the overall structure needs to rotate, the driving motor, the outer-tooth slewing bearing comprises an outer ring and an inner ring, the outer ring is installed on the base, the inner ring is connected with the rotating disc, the outer ring and the inner ring are in bearing form, and the outer ring is provided with a gear ring, and the gear ring is matched with the pinion for transmission.

[0013] The rotating disc is connected with the inner ring of the outer-tooth slewing bearing, the outer ring and the inner ring are in bearing form, when the motor drives the pinion to rotate, the pinion is engaged with the gear teeth of the outer ring for transmission, the outer ring is connected with the base, when the motor drives, the rotating disc drives the inner ring to rotate, the motor rotates with the rotating disc, the pinion not only rotates, but also rotates around the outer ring. The overall structure realizes the base fixation, and the whole rotating disc rotates horizontally.

[0014] The code disc is installed on the base through the slip ring seat, the reading head is installed on the rotating disc, and the encoder comprises the code disc and the reading head.

[0015] The overall structure is small in size, light in weight, compact in structure, small in occupied space, light in burden of the whole equipment, convenient to carry, applicable to field operation or scenes with limited space, simple and fast to install, and low in cost. The structure of the encoder, the base, the rotating disc and the outer-tooth slewing bearing can not only realize 360° rotation simply and efficiently, but also guarantee the rotation precision of the overall structure during rotation, and has great popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings and embodiments;

[0017] Figure 1 is the front view of the overall structure of the utility model;

[0018] Figure 2 is the top view of the overall structure of the utility model;

[0019] Figure 3 is the side view of the partial structure of the utility model;

[0020] Figure 4 is the sectional view of the partial structure of the utility model;

[0021] Figure 5 is the utility model Figure 4 is the enlarged view of A in the utility model;

[0022] In the figure: base 1; rotating disc 2; through slot 201; motor base 3; motor 4; read head 5; code disc 6; bottom plate 7; outer tooth slewing bearing 8; outer ring 801; inner ring 802; screw 803; tooth ring 804; slip ring base 9; slip ring 10; pinion 11. DETAILED DESCRIPTION

[0023] Embodiment 1

[0024] As Figures 1-5 In the figure, the horizontal rotating table device for the scanner includes a base 1, the base 1 is provided with a rotating disc 2, an encoder is arranged between the base 1 and the rotating disc 2, the encoder includes a read head 5 and a code disc 6, the rotating disc 2 is provided with the read head 5, an outer tooth slewing bearing 8 is arranged between the base 1 and the rotating disc 2, and the base 1 is connected with the code disc 6. Thus, when the whole structure needs to rotate, a driving motor 4 is driven to rotate the pinion 11, so as to rotate the tooth ring 804, rotate the outer ring 801 relative to the inner ring 802, rotate the rotating disc 2 relative to the base 1, and make the encoder work. The bearing of the outer tooth slewing bearing 8 and the gear are in a connected structure.

[0025] The outer tooth slewing bearing 8 includes an outer ring 801 and an inner ring 802, the outer ring 801 is installed on the base 1, the inner ring 802 is connected with the rotating disc 2, and the outer ring 801 and the inner ring 802 are in a bearing form. Meanwhile, the outer ring 801 is provided with a tooth ring 804, and the tooth ring 804 is matched with the pinion 11 for transmission. The outer tooth slewing bearing 8 is an integrated gear bearing.

[0026] The rotating disc 2 is connected with the inner ring 802 of the outer tooth slewing bearing 8, and the outer ring 801 and the inner ring 802 are in a bearing form. When the motor 4 drives the pinion 11 to rotate, the pinion 11 is in transmission with the outer ring 801. Since the outer ring 801 is connected with the base 1, when the motor 4 is driven, the rotating disc 2 drives the inner ring 802 to rotate. The motor 4 rotates on the rotating disc 2 along with the rotating disc 2. The pinion 11 not only rotates, but also rotates around the outer ring 801. That is, the base 1 is fixed, and the whole rotating disc 2 rotates horizontally.

[0027] The code disc 5 is installed on the base 1 through a slip ring base 9, the read head 6 is installed on the rotating disc 2, the encoder includes the code disc 5 and the read head 6, and the encoder ensures the rotation accuracy of the whole structure when rotating.

[0028] The whole structure is small in size, light in weight, compact in structure, small in space occupation, lightens the burden of the whole device, convenient to carry, applicable to field operation or scenes with limited space, simple and fast to install, and low in cost. The structure of the encoder, the base 1, the rotating disc 2 and the outer tooth slewing bearing 8 not only can simply and efficiently realize a rotation angle of 360°, but also can ensure the rotation accuracy of the whole structure when rotating.

[0029] In the preferred embodiment, the base 1 is provided with a bottom plate 7. In this structure, the bottom plate 7 is provided with a plurality of screw holes, and the whole structure is connected to the platform or support through the screw holes on the bottom plate 7, so that the whole structure is installed on the platform or support.

[0030] In the preferred embodiment, the base 1 is provided with a slip ring seat, and the slip ring seat 9 is connected to the base 1. In this structure, when the turntable 2 rotates relative to the base 1, the read head 6, the slip ring seat 9 and the slip ring 10 do not move, while the code disc 5 and the motor 4 rotate with the turntable 2.

[0031] In the preferred embodiment, the slip ring seat 9 is provided with a slip ring 10, which is installed on the slip ring seat 9 and extends out of the turntable at one end. In this structure, the slip ring 10 is installed on the base 1 through the slip ring seat 9, and the upper outlet of the slip ring 10 rotates with the turntable, so that the transmission of power and signals between the slip ring 10 and the upper part of the turntable 2 can be realized.

[0032] In the preferred embodiment, the top of the slip ring seat 9 is provided with a code disc 6.

[0033] In the preferred embodiment, the top of the turntable 2 is provided with a motor seat 3, the motor seat 3 is provided with a motor 4, and the output end of the motor 4 is provided with a pinion 11. In this structure, the pinion 11 is installed on the motor 4, the motor 4 is installed on the motor seat 3, and the motor seat 3 is installed on the turntable 2, so that the pinion 11 is relatively fixed on the turntable 2.

[0034] In the preferred embodiment, the outer tooth slewing bearing 8 includes an outer ring 801 and an inner ring 802, and the outer ring 801 and the inner ring 802 are in bearing form. The outer ring 801 is provided with a gear ring 804 on the outer side, and the outer ring 801 is provided with a screw 803 on the bottom. In this structure, the turntable 2 is connected to the inner ring 802 of the outer tooth slewing bearing 8, and the outer ring 801 and the inner ring 802 are in bearing form. When the motor 4 drives the pinion 11 to rotate, the pinion 11 drives the outer ring 801, and since the outer ring 801 is connected to the base 1, when the motor 4 is driven, the turntable 2 will drive the inner ring 802 to rotate. The motor 4 rotates with the turntable 2 on the turntable 2, and the pinion 11 not only rotates, but also rotates around the outer ring 801. That is, the base 1 is fixed, and the whole turntable 2 rotates horizontally.

[0035] In the preferred embodiment, the inner ring 802 is connected to the turntable 2, the outer ring 801 is connected to the base 1 through the screw 803, and the gear ring 804 is engaged with the pinion 11. In this structure, a sealing ring is provided between the base 1 and the turntable 2 to reduce wear and tear, reduce friction between the base 1 and the turntable 2, and prolong the service life. At the same time, it prevents dust, moisture and other external substances from entering the internal parts of the equipment, protecting the internal parts.

[0036] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A horizontal turntable apparatus for a scanner, characterized by: The application relates to a rotary table, which comprises a base (1), a rotary table (2) arranged on the base (1), an encoder arranged between the base (1) and the rotary table (2), a reading head (5) and a code disc (6), the reading head (5) being arranged on the rotary table (2), an outer-toothed rotary support (8) arranged between the base (1) and the rotary table (2), and the base (1) being connected with the code disc (6).

2. The horizontal turntable apparatus for a scanner according to claim 1, wherein: The bottom of the base (1) is provided with a bottom plate (7).

3. The horizontal turntable apparatus for a scanner of claim 1, wherein: The base (1) is provided with a slip ring seat (9), and the bottom of the slip ring seat (9) is connected with the base (1).

4. The horizontal turntable apparatus for a scanner according to claim 3, wherein: The slip ring seat (9) is provided with a slip ring (10), the slip ring (10) is arranged on the slip ring seat (9), and one end of the slip ring (10) extends out of the rotary table (2).

5. The horizontal turntable apparatus for a scanner of claim 1, wherein: The top of the slip ring seat (9) is provided with the code disc (6).

6. The horizontal turntable apparatus for a scanner of claim 1, wherein: The top of the rotary table (2) is provided with a motor seat (3), the motor seat (3) is provided with a motor (4), and the output end of the motor (4) is provided with a pinion (11).

7. The horizontal turntable apparatus for a scanner of claim 1, wherein: The outer-toothed rotary support (8) comprises an outer ring (801) and an inner ring (802), the outer ring (801) and the inner ring (802) are in the form of a bearing, the outer side of the outer ring (801) is provided with a gear ring (804), and the bottom of the outer ring (801) is provided with a screw (803).

8. The horizontal turntable apparatus for a scanner according to claim 7, wherein: The inner ring (802) is connected with the rotary table (2), the outer ring (801) is connected with the base (1) through the screw (803), and the gear ring (804) is engaged with the pinion (11).

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