Multi-ball transmission torsion output direction adjustable slewing device

Abstract

The utility model relates to a multi-ball transmission torsion output direction adjustable slewing gear which comprises a base (1), the base (1) comprises a seat ring (1.1) and a shaft shell (1.2), a worm gear (2) is arranged in the seat ring (1.1), a worm (3) is arranged in the shaft shell (1.2), the worm gear (2) and the worm (3) are meshed with each other, a steering outer shell (4) is arranged on one side of the worm gear (2), and the steering outer shell (4) is arranged on the other side of the worm gear (2). A ball head core shaft (5) is arranged in the center of the steering shell (4), an output connector (6) is arranged on the outer side of the steering shell (4), and the ball head core shaft (5) is in ball connection with the output connector (6). According to the multi-ball transmission torsion output direction adjustable slewing device, the direction of the output shaft can be adjusted at will, large torque can be transmitted, sealing is convenient, and using is reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of rotary devices of multi-ball transmission torsion output direction adjustable, belong to rotary speed reducer technical field. BACKGROUND

[0002] In solar photovoltaic tracking power generation, flat single-axis tracking system is most commonly used, and the main beam and tracking speed reducer are rigidly connected, which requires a flat ground. If the ground is uneven, it needs to be leveled, which will cost a lot.

[0003] The utility model patent with application number 202310842530.X and the utility model patent with application number 202323341811.1 are both technical solutions to solve this problem, both of which use cross shaft to transmit torque and adjust the output shaft direction. Although the direction adjustment problem is solved, there are still the following problems:

[0004] 1. When transmitting torque, only the two ends of the cross shaft are under stress, and the stress points are few, so the torque transmission is small.

[0005] 2. The supporting lug of the cross shaft is easily damaged due to cantilever stress due to structural limitations.

[0006] 3. Due to structural limitations, it cannot be sealed for use and is easily eroded by rain, wind, and sand. UTILITY MODEL CONTENT

[0007] The utility model solves the technical problem of the above-mentioned prior art by providing a rotary device with multi-ball transmission torsion output direction adjustable. The output shaft can be adjusted in any direction, can transmit large torque, is easy to seal, and is reliable in use.

[0008] The utility model solves the above-mentioned problem by adopting the following technical solution: a rotary device with multi-ball transmission torsion output direction adjustable, which includes a base. The base includes a race and a shaft housing. A worm gear is arranged in the race. A worm is arranged in the shaft housing. The worm gear and the worm are meshed with each other. A steering housing is arranged on one side of the worm gear. A ball head spindle is arranged at the center of the steering housing. An output connector is arranged on the outside of the steering housing. The ball head spindle and the output connector are connected by ball joint.

[0009] Optionally, the steering housing and the worm gear are of an integrated structure.

[0010] Optionally, the ball head spindle and the steering housing are connected and fixed by a locking nut.

[0011] Optionally, the inner segment of the ball head spindle is a threaded segment, and the locking nut is arranged on the threaded segment.

[0012] Optionally, the ball head core shaft outer end is a ball head, the output joint inner end is provided with a first ball hole, and the ball head is matched with the first ball hole.

[0013] Optionally, the ball head and the ball hole are connected through a pressing plate.

[0014] Optionally, a plurality of ball grooves are arranged on the inner circumferential wall of the steering shell in intervals, a plurality of second ball holes are arranged on the outer circumferential wall of the output joint inner end in intervals, the plurality of ball grooves and the plurality of second ball holes are one-to-one corresponding, and a steel ball is arranged between the ball groove and the second ball hole.

[0015] Optionally, a dustproof sleeve is arranged between the steering shell and the output joint.

[0016] Optionally, the dustproof sleeve is sleeved on the steering shell and the output joint at the inner end and the outer end respectively.

[0017] Optionally, the dustproof sleeve is made of a deformable material.

[0018] Compared with the prior art, the rotary device has the following advantages:

[0019] The rotary device can realize arbitrary direction adjustment, can transmit a large torque, is convenient to seal, and is reliable in use. Meanwhile, the ball head core shaft can be used for center positioning, the steering shell and the output joint are ball-shapedly connected, and axial movement is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective structural schematic view of the rotary device.

[0021] Figure 2 It is a front view. Figure 1

[0022] Figure 3 It is a top view. Figure 2

[0023] Figure 4 It is a side view. Figure 2

[0024] Figure 5 It is an A-A sectional view. Figure 2

[0025] Figure 6 It is a B-B sectional view. Figure 2

[0026] Figure 7 It is a D-D sectional view. Figure 5

[0027] Figure 8 It is​​​​​​Figure 4 CC section view.

[0028] in:

[0029] Base 1

[0030] Seat ring 1.1

[0031] Shaft housing 1.2

[0032] Worm Gear 2

[0033] Worm 3

[0034] Steering housing 4

[0035] Ball head mandrel 5

[0036] Threaded section 5.1

[0037] Ball head 5.2

[0038] Output connector 6

[0039] Locking nut 7

[0040] First hole 8

[0041] Pressure plate 9

[0042] Ball groove 10

[0043] Second hole 11

[0044] 12 steel balls

[0045] Dust cover 13. Detailed Implementation

[0046] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0047] like Figures 1-8 As shown in this embodiment, a rotary device with adjustable torque output direction via a multi-ball transmission includes a base 1. The base 1 includes a seat ring 1.1 and a shaft housing 1.2. A worm gear 2 is disposed inside the seat ring 1.1, and a worm 3 is disposed inside the shaft housing 1.2. The worm gear 2 and the worm 3 mesh with each other. A steering housing 4 is disposed on one side of the worm gear 2. A ball head spindle 5 is disposed at the center of the steering housing 4. An output connector 6 is disposed on the outside of the steering housing 4. The ball head spindle 5 and the output connector 6 are ball-jointed. The output connector 6 can rotate around the ball head portion of the ball head spindle 5, thereby realizing the adjustment of the output shaft direction.

[0048] The steering housing 4 and the worm gear 2 are an integral structure;

[0049] The steering housing 4 and the worm gear 2 are either cast as a single unit or connected as a single unit by fasteners;

[0050] The ball head mandrel 5 is connected and fixed with the steering shell 4 through the locking nut 7;

[0051] The inner section of the ball head mandrel 5 is a threaded section 5.1, and the locking nut 7 is arranged on the threaded section 5.1;

[0052] The outer end of the ball head mandrel 5 is a ball head 5.2, and the output connector 6 is internally provided with a first ball hole 8, and the ball head 5.2 is matched with the first ball hole 8;

[0053] The ball head 5.2 is connected with the first ball hole 8 through the pressing plate 9;

[0054] A plurality of ball grooves 10 are arranged on the inner circumferential wall of the steering shell 4 at intervals, and the ball grooves 10 are arranged in the left-right direction, a plurality of second ball holes 11 are arranged on the outer circumferential wall of the inner end of the output connector 6 at intervals, the plurality of second ball holes 11 correspond to the plurality of ball grooves 10 one by one, and a steel ball 12 is arranged between the ball groove 10 and the second ball hole 11;

[0055] The dust cover 13 is arranged between the steering shell 4 and the output connector 6;

[0056] The dust cover 13 is sleeved on the steering shell 4 and the output connector 6 at the inner and outer ends thereof;

[0057] The dust cover 13 is made of a deformable material, such as rubber material.

[0058] In addition to the above-mentioned embodiments, the utility model also includes other implementation manners, and the technical solutions formed by using equivalent transformation or equivalent replacement should fall within the protection scope of the utility model claims.

Claims

1. A rotary device with multiple ball transmission and adjustable direction of torsion output, characterized in that: It includes base (1), the base (1) includes seat ring (1.1) and axle shell (1.2), the worm gear (2) is arranged in the seat ring (1.1), the worm (3) is arranged in the axle shell (1.2), the worm gear (2) and worm (3) are engaged with each other, the worm gear (2) one side is provided with steering housing (4), the steering housing (4) center is provided with ball head arbor (5), the steering housing (4) outside is provided with output joint (6), the ball head arbor (5) and output joint (6) between the ball joint; The steering housing (4) inner wall is provided with a plurality of ball grooves (10) at intervals, the output joint (6) inner end outer wall is provided with a plurality of second ball holes (11) at intervals, a plurality of ball grooves (10) and a plurality of second ball holes (11) are one-to-one corresponding, the ball groove (10) and the second ball hole (11) are provided with steel ball (12).

2. A slewing device according to claim 1, wherein: The steering housing (4) and the worm gear (2) are integrated structure or connected by fastener.

3. The rotary device of claim 1, wherein: The ball head arbor (5) and the steering housing (4) are connected and fixed by the locking nut (7).

4. A slewing device according to claim 3, wherein: The ball head arbor (5) inner section is a threaded section (5.1), and the locking nut (7) is arranged on the threaded section (5.1).

5. The multi-ball rotary device of claim 1, wherein: The ball head arbor (5) outer end is a ball head (5.2), the output joint (6) is provided with a first ball hole (8), and the ball head (5.2) is matched with the first ball hole (8).

6. A slewing device according to claim 5, wherein: The ball head (5.2) and the first ball hole (8) are connected by the pressing plate (9).

7. The multi-ball rotary device of claim 1, wherein: The steering housing (4) and the output joint (6) are provided with a dust cover (13).

8. A slewing device according to claim 7, wherein: The dust cover (13) is sleeved on the steering housing (4) and the output joint (6) at both ends.

9. The rotary device of claim 7, wherein: The dust cover (13) is made of deformable material.

Images