Base deformation self-adaptive transmission device

Abstract

The invention discloses a base deformation self-adaptive transmission device. The base deformation self-adaptive transmission device comprises a rotating motor, a cross universal coupling, a locking nut, a first bearing assembly, a rotating limiting structure, a rotating shaft, a flat key, a supporting shaft and a second bearing assembly. The other end of the cross-shaped universal coupling is connected with the rotating shaft; one end, connected with the cross-shaped universal coupling, of the rotating shaft penetrates through the first bearing assembly and is connected with the locking nut; the other end of the rotating shaft is fixedly connected with a load; the flat key is arranged between the rotating shaft and the load; the first bearing assembly is fixedly connected with the first external base, and the second bearing assembly is fixedly connected with the second external base; one end, close to the rotating shaft, of the supporting shaft is fixedly connected with a load; the rotation limiting structure is used for limiting the rotation angle of the rotation shaft. The transmission device can adapt to the sea surface and underwater environment, deformation generated by the transmission device supporting foundation can be adjusted in a self-adaptive mode, and the rotating function can be normally achieved.

Description

Technical Field

[0001] The present invention relates to the field of ship transmission equipment, and particularly relates to a transmission device with self - adaptation to the deformation of the base. Background Art

[0002] With the increasingly fierce competition in the ship market, new ship models with diverse functions and adapted to various harsh environments emerge in an endless stream, and correspondingly, various new designs of their transmission devices also emerge adaptively. However, the transmission devices in the prior art cannot achieve direct drive by the motor or adapt to the use environment where the supporting foundation of the transmission device deforms. It is very difficult for the transmission device to achieve self - adaptive adjustment for the deformation of the supporting foundation. Summary of the Invention

[0003] Aiming at the above - mentioned defects or improvement requirements of the prior art, the present invention provides a transmission device with self - adaptation to the deformation of the base, which can adapt to the sea surface and underwater environments, can self - adaptively adjust to the deformation of the supporting foundation of the transmission device, and can normally achieve the rotation function.

[0004] To achieve the above object, the present invention adopts the following technical solutions.

[0005] In some embodiments, a transmission device with self - adaptation to the deformation of the base is provided, and the transmission device with self - adaptation to the deformation of the base includes:

[0006] A rotating motor, a cross - universal coupling, a locking nut, a first bearing assembly, a rotation limiting structure, a rotating shaft, a flat key, a support shaft, and a second bearing assembly;

[0007] The rotating motor is fixed to the first external base by bolts. One end of the cross - universal coupling is connected to the rotating motor, and the other end of the cross - universal coupling is connected to the rotating shaft;

[0008] One end of the rotating shaft connected to the cross - universal coupling passes through the first bearing assembly and is connected to the locking nut; the other end of the rotating shaft is fixedly connected to the load, and the flat key is arranged between the rotating shaft and the load;

[0009] The first bearing assembly is fixedly connected to the first external base, and the second bearing assembly is fixedly connected to the second external base;

[0010] One end of the support shaft close to the rotating shaft is fixedly connected to the load, and the other end of the support shaft passes through the second bearing assembly;

[0011] The rotation limiting structure is arranged between the rotating shaft and the first external base or the first bearing assembly for limiting the rotation angle of the rotating shaft.

[0012] In some embodiments, both the first bearing assembly and the second bearing assembly include a sphere, two half bearing shells, and a housing. The housing of the first bearing assembly is the first housing, and the housing of the second bearing assembly is the second housing. The outer ring of each half bearing shell is semi-cylindrical, and the inner surface of the half bearing shell is spherical, which matches the outer surface of the sphere. The sphere has a bearing inner hole. The two half bearing shells are assembled and relatively installed on the outside of the sphere, and the two half bearing shells are installed in the housing.

[0013] The first housing is fixedly connected to the first external base, and the second housing is fixedly connected to the second external base.

[0014] In some embodiments, the rotation limiting structure includes a limiting flange and a limiting block. The limiting block is fixedly connected to the rotating shaft, and the limiting flange is fixedly connected to the first housing.

[0015] The inner hole of the limiting flange has a circumferentially extending groove, the limiting block is located in the groove, and the circumferential length of the limiting block is less than the circumferential length of the groove.

[0016] In some embodiments, the two half bearing shells of the first bearing assembly are the first bearing shells, and the two half bearing shells of the second bearing assembly are the second bearing shells; the sphere of the first bearing assembly is the first sphere, and the sphere of the second bearing assembly is the second sphere; one end of the first housing close to the cross universal coupling has a first protrusion, and the rotating shaft has a shaft shoulder.

[0017] The inner diameter of the limiting flange is less than the outer diameter of the first bearing shell. One end of the limiting flange close to the first housing abuts against one end of the first bearing shell, and the other end of the first bearing shell abuts against the first protrusion.

[0018] The limiting flange and the first housing are fixedly connected by bolts.

[0019] One end of the first sphere abuts against the shaft shoulder of the rotating shaft, and the other end of the first sphere abuts against the locking nut.

[0020] In some embodiments, one end of the second housing away from the cross universal coupling has a second protrusion. One end of the second bearing shell abuts against the second protrusion, and the other end of the second bearing shell is fixedly connected to the second housing.

[0021] In some embodiments, the driving mode of the base deformation adaptive transmission device is direct drive by a motor, and the driving source of the direct drive by the motor is the rotating motor.

[0022] In some embodiments, one end of the rotating shaft connected to the cross universal coupling has a connecting inner hole, and two flat key grooves are provided in the connecting inner hole. The connecting inner hole and the cross universal coupling are connected by two flat keys in a mating manner.

[0023] In some embodiments, one end of the rotating shaft away from the cross universal coupling is provided with a first flange, and is fixed to the load through the bolt holes on the first flange;

[0024] One end of the support shaft close to the cross universal coupling is provided with a second flange, and is fixed to the load through the bolt holes on the second flange;

[0025] The rotating motor is installed on the first external base through bolts.

[0026] In some embodiments, both ends of the first sphere abutting against the shaft shoulder and the locking nut have abutting planes.

[0027] In some embodiments, relative displacement and deflection can occur between the first external base and the second external base.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows: The structure of the embodiment of the present invention is simple and can achieve direct drive of the motor. In some embodiments, by connecting the first bearing assembly and the first bearing assembly to the rotating shaft and the support shaft respectively, the relative deformation adaptation occurring between the first external base and the second external base can be realized. Description of the Drawings

[0029] Figure 1 It is a schematic diagram of the overall process of the base deformation adaptive transmission device according to an embodiment of the present invention.

[0030] Figure 2 It is a side view of the rotation limiting structure according to an embodiment of the present invention.

[0031] Figure 3 It is a partial structure diagram of the rotation limiting structure according to an embodiment of the present invention.

[0032] Figure 4 It is a partial structure diagram of the rotation limiting structure according to an embodiment of the present invention.

[0033] Description of the reference numerals: Rotating motor 1, Cross universal coupling 2, Locking nut 3, First bearing assembly 4, Rotation limiting structure 5, Rotating shaft 6, Flat key 7, Support shaft 8, Second bearing assembly 9. Detailed Description of the Embodiments

[0034] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inner", "outer", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings. The interpretation of such terms should be from the perspective of those skilled in the art.

[0036] In the present invention, unless otherwise clearly specified and limited, terms such as "set", "installed", "connected", "coupled", "fixed", etc. should be broadly understood from the perspective of those skilled in the art. For example, "connected" can be a fixed connection, a detachable connection, or integrated; "coupled" can be directly coupled or indirectly coupled through an intermediate medium, which can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0038] Figure 1 It is a schematic diagram of the overall structure of a base deformation adaptive transmission device according to an embodiment of the present invention.

[0039] Refer to Figure 1 , in some embodiments, a base deformation adaptive transmission device is provided. The base deformation adaptive transmission device includes: a rotating motor 1, a cross universal coupling 2, a locking nut 3, a first bearing assembly 4, a rotation limiting structure 5, a rotating shaft 6, a flat key 7, a support shaft 8, and a second bearing assembly 9.

[0040] The rotating motor 1 is fixed to the first external base 100 by bolts. One end of the cross universal coupling 2 is connected to the rotating motor 1, and the other end of the cross universal coupling 2 is connected to the rotating shaft 6.

[0041] One end of the rotating shaft 6 connected to the cross universal coupling 2 passes through the first bearing assembly 4 and is connected to the lock nut 3; the other end of the rotating shaft 6 is fixedly connected to a load (not shown in the figure), and the flat key 7 is arranged between the rotating shaft 6 and the load.

[0042] The first bearing assembly 4 is fixedly connected to the first external base 100, and the second bearing assembly 9 is fixedly connected to the second external base 200.

[0043] One end of the support shaft 8 close to the rotating shaft 6 is fixedly connected to the load, and the other end of the support shaft 8 passes through the second bearing assembly 9.

[0044] The rotation limiting structure 5 is arranged between the rotating shaft 6 and the first external base or the first bearing assembly 4 to limit the rotation angle of the rotating shaft 6.

[0045] In the embodiment of the present application, the rotating shaft 6 is driven to rotate by the rotating motor 1, driving the load arranged between the rotating shaft 6 and the support shaft 8 to rotate. In some embodiments, the load is a steering device.

[0046] In some embodiments, the first bearing assembly 4 is welded to the first external base, and the second bearing assembly 9 is connected to the second external base by bolts. The first bearing assembly 4 and the second bearing assembly 9 in the embodiment of the present application provide the support and adaptive adjustment functions for the rotating shaft 6 and the support shaft 8.

[0047] In some embodiments, both the first bearing assembly 4 and the second bearing assembly 9 include spheres, two semi-body bearing bushes and a housing. The housing of the first bearing assembly 4 is the first housing, and the housing of the second bearing assembly 9 is the second housing. The outer ring of each semi-body bearing bush is semi-cylindrical, and the inner surface of the semi-body bearing bush is spherical. The spherical surface matches the outer surface of the sphere. The sphere has a bearing inner hole. The two semi-body bearing bushes are installed oppositely and relatively on the outside of the sphere, and the two semi-body bearing bushes are installed in the housing.

[0048] The first housing is fixedly connected to the first external base, and the second housing is fixedly connected to the second external base.

[0049] In an embodiment of the present application, the first bearing assembly 4 and the second bearing assembly 9 are fitting parts, which are assembled by three parts: a sphere, two semi-body bearing bushes, and a housing. The semi-body bearing bushes are designed as two semi-cylinders and are installed outside the sphere. The two semi-body bearing bushes are installed in the inner hole of the housing. The inner hole of the sphere has high tolerance requirements and roughness requirements. The rotating shaft and the support shaft pass through the inner hole of the sphere for installation. At the same time, the sphere is installed inside the two semi-body bearing bushes. The inner surface of the bearing bush is also a spherical surface, and the sphere can deflect inside to achieve adaptive adjustment.

[0050] Figure 2 It is a side schematic view of the rotation limiting structure according to an embodiment of the present invention. Refer to Figure 1 and Figure 2 , in some embodiments, the rotation limiting structure 5 includes a limiting flange 51 and a limiting block 52. The limiting block is fixedly connected to the rotating shaft 6, and the limiting flange is fixedly connected to the first housing.

[0051] The inner hole of the limiting flange 51 has a circumferentially extending groove 511. The limiting block 52 is located in the groove 511, and the circumferential length of the limiting block is less than the circumferential length of the groove. In an embodiment of the present application, the limiting block can only rotate within the circumferential length of the groove, thereby restricting the rotation angle of the rotating shaft 6.

[0052] Figure 3 It is a partial structure schematic view of the rotation limiting structure according to an embodiment of the present invention. Figure 4 It is a partial structure schematic view of the rotation limiting structure according to an embodiment of the present invention. Refer to Figure 3 and Figure 4 , in some embodiments, the two semi-body bearing bushes of the first bearing assembly 4 are the first bearing bushes 41, and the two semi-body bearing bushes of the second bearing assembly 9 are the second bearing bushes 91; the sphere of the first bearing assembly 4 is the first sphere 42, and the sphere of the second bearing assembly 9 is the second sphere 92; one end of the first housing 43 close to the cross universal coupling 2 has a first protrusion 431, and the rotating shaft 6 has a shaft shoulder 61.

[0053] The inner diameter of the limiting flange 5 is less than the outer diameter of the first bearing bush 41. The end of the limiting flange close to the first housing abuts against one end of the first bearing bush, and the other end of the first bearing bush abuts against the first protrusion.

[0054] The limiting flange and the first housing are fixedly connected by bolts.

[0055] One end of the first sphere 42 abuts against the shaft shoulder 61 of the rotating shaft 6, and the other end of the first sphere 42 abuts against the locking nut 3.

[0056] In some embodiments, one end of the second housing 93 away from the cross universal coupling 2 has a second protrusion 931, one end of the second bearing shell 91 abuts against the second protrusion 931, and the other end of the second bearing shell 91 is fixedly connected to the second housing 93.

[0057] In the embodiments of the present application, the rotating shaft can swing under the support of the first bearing assembly, and the support shaft can swing and axially move under the support of the second bearing assembly, which can fully meet the deformation self-adaptive adjustment.

[0058] In some embodiments, the driving mode of the base deformation self-adaptive transmission device is direct drive by a motor, and the driving source of the direct drive by the motor is the rotating motor 1. It can be understood that in the direct drive by a motor, there is no speed reduction mechanism between the rotating motor 1 and the rotating shaft 6 and the support shaft 8, and the rotating shaft 6 is directly connected to the output shaft of the rotating motor 1 through the cross universal coupling 2. In the embodiments of the present application, direct drive by a motor is adopted, with precise control and high efficiency. Combined with the bearing assembly of the present application, self-adaptive transmission in a complex environment can be achieved.

[0059] In some embodiments, one end of the rotating shaft 6 connected to the cross universal coupling 2 has a connecting inner hole, two flat key grooves are arranged in the connecting inner hole, and the connecting inner hole is connected to the cross universal coupling 2 through two flat keys in a matching manner.

[0060] In some embodiments, one end of the rotating shaft 6 away from the cross universal coupling 2 is provided with a first flange 62 and is fixed to the load through the bolt holes on the first flange.

[0061] One end of the support shaft 8 close to the cross universal coupling 2 is provided with a second flange 81 and is fixed to the load through the bolt holes on the second flange.

[0062] The rotating motor 1 is installed on the first external base through bolts.

[0063] In some embodiments, both ends of the first sphere abutting against the shaft shoulder and the locking nut 3 have abutting planes.

[0064] In some embodiments, relative displacement and deflection can occur between the first external base and the second external base. The base deformation self-adaptive transmission device in the embodiments of the present invention has a simple structure, can achieve direct drive by a motor, with precise control and high transmission efficiency. In some embodiments, through the first bearing assembly and the first bearing assembly are respectively connected to the rotating shaft and the support shaft, relative deformation self-adaptation occurring between the first external base and the second external base can be achieved.

[0065] In some embodiments, relative displacement and deflection can occur between the first external base and the second external base.

[0066] The transmission device in the embodiments of the present invention can adapt to the sea surface and underwater environments, and can self-adaptively adjust to the deformation generated by the support foundation of the transmission device. In some embodiments, the load is a steering device. Through the base deformation self-adaptive transmission device of the present application, the steering device can be driven to rotate within a certain angle range, and can self-adaptively adjust under a certain deformation state of the base, ensuring reliable transmission and enabling the normal maintenance and adjustment of the hull attitude.

[0067] Those skilled in the art can easily understand that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A base deformation adaptive transmission device, characterized in that: The base deformation adaptive transmission device comprises: A rotating motor (1), a cross universal coupling (2), a locking nut (3), a first bearing assembly (4), a rotation limiting structure (5), a rotating shaft (6), a flat key (7), a supporting shaft (8), and a second bearing assembly (9); The rotating motor is fixed to the first external base by bolts, one end of the cross universal coupling is connected to the rotating motor, and the other end of the cross universal coupling is connected to the rotating shaft; One end of the rotating shaft connected to the cross universal coupling passes through the first bearing assembly and is connected to the locking nut; the other end of the rotating shaft is fixedly connected to the load, and the flat key is arranged between the rotating shaft and the load; The first bearing assembly is fixedly connected to the first external base, and the second bearing assembly is fixedly connected to the second external base; One end of the support shaft close to the rotating shaft is fixedly connected to the load, and the other end of the support shaft passes through the second bearing assembly; The rotation limiting structure is disposed between the rotation shaft and the first external base or the first bearing assembly, and is used to limit the rotation angle of the rotation shaft.

2. The base deformation adaptive transmission device according to claim 1, characterized in that: The first bearing assembly and the second bearing assembly both include a sphere, two half-bearing shells and a shell, the shell of the first bearing assembly is a first shell, the shell of the second bearing assembly is a second shell, the outer ring of each half-bearing shell is semi-cylindrical, the inner surface of the half-bearing shell is a spherical surface, the spherical surface matches the outer surface of the sphere, the sphere has a bearing inner hole, the two half-bearing shells are combined and relatively installed on the outside of the sphere, and the two half-bearing shells are installed in the shell; The first shell is fixedly connected to the first external base, and the second shell is fixedly connected to the second external base.

3. The base deformation adaptive transmission device according to claim 2, characterized in that: The rotation limiting structure comprises a limiting flange and a limiting block, wherein the limiting block is fixedly connected to the rotation shaft, and the limiting flange is fixedly connected to the first housing; The inner hole of the limiting flange has a groove extending in the circumferential direction, the limiting block is located in the groove, and the circumferential length of the limiting block is smaller than the circumferential length of the groove.

4. The base deformation adaptive transmission device according to claim 3, characterized in that: The two half-bearing shells of the first bearing assembly are first bearing shells, and the two half-bearing shells of the second bearing assembly are second bearing shells; the sphere of the first bearing assembly is a first sphere, and the sphere of the second bearing assembly is a second sphere; the first housing has a first protrusion at one end close to the cross universal coupling, and the rotating shaft has a shaft shoulder; The inner diameter of the limiting flange is smaller than the outer diameter of the first bearing shell, the end of the limiting flange close to the first housing abuts against one end of the first bearing shell, and the other end of the first bearing shell abuts against the first protrusion; The limiting flange is fixedly connected to the first shell by bolts; One end of the first sphere abuts against the shoulder of the rotating shaft, and the other end of the first sphere abuts against the locking nut.

5. The base deformation adaptive transmission device according to claim 4, characterized in that: The second housing has a second protrusion at one end away from the cross universal joint, one end of the second bearing shell abuts against the second protrusion, and the other end of the second bearing shell is fixedly connected to the second housing.

6. The base deformation adaptive transmission device according to claim 5, characterized in that: The driving mode of the base deformation adaptive transmission device is motor direct drive, and the driving source of the motor direct drive is the rotating motor.

7. The base deformation adaptive transmission device according to claim 6, characterized in that: One end of the rotating shaft connected to the cross universal coupling has a connecting inner hole, the connecting inner hole is provided with two flat key grooves, and the connecting inner hole and the cross universal coupling are connected by two flat keys.

8. The base deformation adaptive transmission device according to claim 7, characterized in that: The end of the rotating shaft away from the cross universal coupling is provided with a first flange, which is fixed to the load through bolt holes on the first flange; The support shaft is provided with a second flange at one end close to the cross universal coupling, and is fixed to the load through bolt holes on the second flange; The rotating motor is mounted on the first outer base by bolts.

9. The base deformation adaptive transmission device according to claim 8, characterized in that: The two ends of the first sphere that abut against the shaft shoulder and the locking nut have abutment planes.

10. The base deformation adaptive transmission device according to any one of claims 1 to 9, characterized in that: The first external base and the second external base can generate relative displacement and deflection.

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