CN220869904U - Brake bearing, photovoltaic support and photovoltaic system - Google Patents

Abstract

The application discloses a brake bearing, a photovoltaic support and a photovoltaic system, and belongs to the technical field of photovoltaics. The brake bearing includes: the device comprises a bearing seat, a bearing body, at least one first braking piece, at least one second braking piece and a driving assembly; the bearing body is rotatably arranged in the bearing seat and is suitable for being in dynamic coupling connection with the main shaft; the first braking piece is in power coupling connection with the bearing body around the circumference of the bearing body; the second braking piece is in power coupling connection with the bearing seat around the circumference of the bearing seat; the first braking piece is movably arranged on the bearing body along the axial direction of the bearing body, and/or the second braking piece is movably arranged on the bearing seat along the axial direction of the bearing seat; the driving assembly is used for driving at least one of the first braking piece and the second braking piece to move along the axial direction so as to lock or unlock the first braking piece and the second braking piece. The application can limit the rotation of the main shaft, the brake bearing has simple and reliable structure, no new parts are needed to be added, and the cost is lower.

Description

Brake bearing, photovoltaic support and photovoltaic system

Technical Field

The application belongs to the technical field of photovoltaics, and particularly relates to a brake bearing, a photovoltaic support and a photovoltaic system.

Background

With the development of the photovoltaic industry, photovoltaic power generation becomes a clean energy source with very wide prospects. The photovoltaic system comprises a photovoltaic bracket and a photovoltaic module, and the photovoltaic bracket can be divided into a fixed bracket, a tracking bracket, a flexible bracket and other types. The photovoltaic support supports the main shaft, when encountering strong wind or other bad weather, the photovoltaic module can vibrate under the action of external force so as to drive the main shaft to deflect, destructive influence is generated on the support frame and the main shaft, and meanwhile, the vibration and deflection of the photovoltaic module and the main shaft can be counteracted through the reaction force of the speed reducer and the push rod, so that the damage of the shock absorber and the push rod is accelerated.

In the related art, in order to cope with external force influences such as strong wind, the two ends of the photovoltaic bracket are provided with shock absorbers, and the shock absorbers are influenced by different wind power and wind directions, so that the risk of failure of the shock absorbers is high, parts are increased, and equipment cost is increased by replacing the shock absorbers.

Disclosure of utility model

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the brake bearing, the photovoltaic support and the photovoltaic system, which better realize the purpose of limiting the rotation of the main shaft, and have simple structure and lower cost.

In a first aspect, the present application provides a brake bearing comprising:

A bearing seat;

the bearing body is rotatably arranged in the bearing seat and is suitable for being in power coupling connection with the main shaft;

At least one first brake member in power coupling connection with the bearing body around a circumference of the bearing body;

The second braking piece is connected with the bearing seat in a power coupling way around the circumference of the bearing seat; the first braking piece is movably arranged on the bearing body along the axial direction of the bearing body, and/or the second braking piece is movably arranged on the bearing seat along the axial direction of the bearing seat;

And the driving assembly is used for driving at least one of the first braking piece and the second braking piece to move along the axial direction so as to lock or unlock the first braking piece and the second braking piece.

According to the braking bearing provided by the embodiment of the application, the at least one first braking piece and the at least one second braking piece are arranged, the first braking piece is in power coupling connection with the bearing body around the circumference of the bearing body, the second braking piece is in power coupling connection with the bearing seat around the circumference of the bearing seat, the driving assembly drives the first braking piece and/or the second braking piece to move, so that the first braking piece is limited to rotate by virtue of friction between the first braking piece and the second braking piece, the bearing body is braked to rotate, the purpose of limiting the rotation of the main shaft is achieved, the braking bearing is simple and reliable in structure, new parts are not needed to be added, and the cost is low.

According to one embodiment of the present application, the first braking member includes a plurality of first braking members, the plurality of first braking members are distributed along the axial direction of the bearing body, and the plurality of first braking members are movably mounted on the bearing body along the axial direction of the bearing body;

The second braking parts are distributed along the axial direction of the bearing seat, and are movably mounted on the bearing seat along the axial direction of the bearing seat;

The first braking pieces and the second braking pieces are alternately distributed along the axial direction of the bearing body;

And under the condition that the first braking piece and the second braking piece are locked, two adjacent first braking pieces and second braking pieces are in a pressing state.

According to one embodiment of the application, the outer circumferential wall of the bearing body is provided with first external teeth, which extend in the axial direction of the bearing body; the inner peripheral wall of the first brake piece is provided with first internal teeth, the first brake piece is sleeved outside the bearing body, and the first external teeth are meshed with the first internal teeth;

The inner peripheral wall of the bearing seat is provided with second internal teeth, and the second internal teeth extend along the axial direction of the bearing seat; the outer peripheral wall of the second braking piece is provided with second external teeth, the second braking piece is arranged in the bearing seat, and the second external teeth are meshed with the second internal teeth.

According to one embodiment of the application, the driving assembly comprises two driving assemblies, the two driving assemblies are distributed at intervals along the axial direction of the bearing body and are oppositely arranged, and the first braking piece and the second braking piece are arranged between the two driving assemblies.

According to one embodiment of the application, the drive assembly comprises: the mounting seat is sleeved outside the bearing body, and the driving parts are circumferentially distributed around the bearing body at intervals in the mounting seat.

According to one embodiment of the application, the brake bearing further comprises:

And the cover plate is arranged at the end part of the bearing seat, and the mounting seat is arranged on the cover plate.

According to one embodiment of the application, the bearing body comprises:

The first brake piece is connected with the first connecting part in a power coupling way around the circumference of the first connecting part;

The second connecting portion is arranged in the first connecting portion, the first connecting portion is connected with the second connecting portion in a power coupling mode around the circumference of the first connecting portion, and a through hole is formed in the second connecting portion and is suitable for being matched with the main shaft.

According to an embodiment of the present application, one of the inner wall of the first connection portion and the outer wall of the second connection portion is provided with a protruding portion, and the other of the inner wall of the first connection portion and the outer wall of the second connection portion is provided with a groove portion that is fitted to the protruding portion.

According to one embodiment of the present application, the protruding portion includes a plurality of protruding portions, and the plurality of protruding portions are circumferentially spaced around the outer wall of the second connecting portion;

The groove parts comprise a plurality of groove parts which are circumferentially distributed at intervals around the inner wall of the first connecting part.

In a second aspect, the present application provides a photovoltaic bracket comprising:

a brake bearing as claimed in any one of the above;

the bearing seat of the brake bearing is arranged on the support frame;

And the main shaft is in power coupling connection with the bearing body of the brake bearing.

In a third aspect, the present application provides a photovoltaic system comprising:

a photovoltaic support as described above;

And the photovoltaic module is arranged on the photovoltaic bracket.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of a brake bearing provided by an embodiment of the present application;

FIG. 2 is a cross-sectional view at A-A of FIG. 1;

FIG. 3 is a side view of a brake bearing provided by an embodiment of the present application;

FIG. 4 is an axial view of a first connection portion provided by an embodiment of the present application;

fig. 5 is a front view of a first connecting portion provided in an embodiment of the present application;

FIG. 6 is an axial view of a second connection provided by an embodiment of the present application;

FIG. 7 is a front view of a second connection portion provided by an embodiment of the present application;

FIG. 8 is an exploded view of a brake bearing provided by an embodiment of the present application;

reference numerals:

A bearing housing 11, second internal teeth 111;

Bearing body 12, first connection part 121, second connection part 122, protruding part 123, recessed part 124, through hole 125, first external teeth 126;

a first braking member 13, a second braking member 14, a driving assembly 15, and a cover plate 16.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

A brake bearing, a photovoltaic bracket, and a photovoltaic system according to an embodiment of the present application are described below with reference to fig. 1-8.

The photovoltaic support comprises a support frame and a main shaft, and the brake bearing can be used for connecting the support frame and the main shaft.

Under the action of external force in severe weather such as strong wind, the photovoltaic module deflects under the action of the external force, and drives the main shaft to deflect relative to the support frame.

As shown in fig. 1, 2 and 8, the brake bearing of the present application includes a bearing housing 11, a bearing body 12, at least one first brake member 13, at least one second brake member 14 and a driving assembly 15.

The bearing seat 11 is used for connecting the support frame, and the connection mode can be a threaded connection mode or a welding mode.

The bearing body 12 is rotatably arranged in the bearing seat 11, and the bearing body 12 is suitable for being in power coupling connection with the main shaft. The bearing body 12 may be connected to the spindle by a snap-fit or pin-fit connection. The bearing body 12 is in power coupling connection with a main shaft, and the main shaft rotates to drive the bearing body 12 to rotate relative to the bearing seat 11.

The first stopper 13 is coupled with the bearing body 12 in a power coupling manner around the circumference of the bearing body 12. Along the circumferential direction of the bearing body 12, the bearing body 12 rotates to drive the first brake member 13 to rotate. The bearing body 12 can be connected with the first braking piece 13 in a power coupling way through a clamping connection mode or a tooth engagement mode.

The second braking member 14 is in power coupling connection with the bearing housing 11 around the circumference of the bearing housing 11. Along the circumferential direction of the bearing seat 11, the bearing seat 11 rotates to drive the second brake piece 14 to rotate. The bearing seat 11 can be connected with the second braking piece 14 in a power coupling way through a clamping connection mode or a tooth engagement mode.

In this embodiment, the first braking member 13 is movably mounted on the bearing body 12 along the axial direction of the bearing body 12, and/or the second braking member 14 is movably mounted on the bearing seat 11 along the axial direction of the bearing seat 11, and the driving assembly 15 is used for driving at least one of the first braking member 13 and the second braking member 14 to move along the axial direction so as to lock or unlock the first braking member 13 and the second braking member 14.

In a locking state, the driving assembly 15 drives the first braking piece 13 and/or the second braking piece 14 to move, the pressure between the first braking piece 13 and the second braking piece 14 is continuously increased, the first braking piece 13 and the second braking piece 14 are in pressing contact, the first braking piece 13 is limited to rotate by virtue of friction between the first braking piece 13 and the second braking piece 14, the bearing body 12 is braked, the aim of limiting the rotation of the main shaft is achieved, and the braking force is continuously increased along with the driving of the driving assembly 15; in the unlocked state, the drive assembly 15 releases the first brake member 13 and/or the second brake member 14, the friction between the first brake member 13 and the second brake member 14 decreases or disappears, and the braking force decreases to allow the bearing body 12 to rotate.

Wherein, the first braking piece 13 and the second braking piece 14 have at least three mounting modes:

First, the first braking piece 13 is movably installed on the bearing body 12 along the axial direction of the bearing body 12, and the second braking piece 14 is fixedly installed on the bearing seat 11;

In the present embodiment, the driving assembly 15 drives the first stopper 13 to move to lock or unlock the first stopper 13 and the second stopper 14.

Second, the first braking member 13 is fixedly mounted on the bearing body 12, and the second braking member 14 is movably mounted on the bearing seat 11 along the axial direction of the bearing seat 11.

In the present embodiment, the driving assembly 15 drives the second stopper 14 to move so as to lock or unlock the first stopper 13 and the second stopper 14.

Third, the first braking member 13 is movably mounted on the bearing body 12 along the axial direction of the bearing body 12, and the second braking member 14 is movably mounted on the bearing seat 11 along the axial direction of the bearing seat 11.

The drive form of the drive assembly 15 may be manual or electric.

In some embodiments, the driving form of the driving assembly 15 is an electric form, such as an electric telescopic structure or a hydraulic telescopic structure, and the driving assembly 15 moves telescopically along the axial direction of the bearing body 12 to push at least one of the first brake member 13 and the second brake member 14 to move along the axial direction of the bearing body 12.

In some embodiments, the drive assembly 15 may be manually driven. For example a bolt, the screw bottom end of which is directed towards the first detent 13 and/or the second detent 14, the nut of which is exposed.

When receiving the information that the main shaft needs to be limited to rotate, such as the windy weather reported by weather forecast, a worker can manually screw the bolt so as to gradually approach the bottom end of the bolt and push the first braking piece 13 and/or the second braking piece 14 to axially move, thereby realizing the locking of the first braking piece 13 and the second braking piece 14.

At least part of the first detent 13 and the second detent 14 may overlap in the axial direction of the bearing body 12 to achieve a pressing contact in the locked state.

Wherein the number of the first braking members 13 and the second braking members 14 can be set according to the specific use situation.

According to the braking bearing provided by the embodiment of the application, through arranging at least one first braking piece 13 and at least one second braking piece 14, the first braking piece 13 is in power coupling connection with the bearing body 12 around the circumference of the bearing body 12, the second braking piece 14 is in power coupling connection with the bearing seat 11 around the circumference of the bearing seat 11, and the driving assembly 15 drives the first braking piece 13 and/or the second braking piece 14 to move, so that the first braking piece 13 is limited to rotate by virtue of friction between the first braking piece 13 and the second braking piece 14, the rotation of the bearing body 12 is braked, the purpose of limiting the rotation of a main shaft is further achieved, the braking bearing is simple and reliable in structure, new parts are not required to be added, and the cost is low.

In some embodiments, the first braking member 13 includes a plurality of first braking members 13 distributed along the axial direction of the bearing body 12, and the plurality of first braking members 13 are movably mounted on the bearing body 12 along the axial direction of the bearing body 12; the second braking members 14 include a plurality of second braking members 14 distributed along the axial direction of the bearing housing 11, and the plurality of second braking members 14 are movably mounted on the bearing housing 11 along the axial direction of the bearing housing 11.

In the present embodiment, as shown in fig. 2, the first stopper 13 and the second stopper 14 are alternately distributed in the axial direction of the bearing body 12.

In the case that the first braking member 13 and the second braking member 14 are locked, the adjacent two first braking members 13 and second braking members 14 are engaged with each other to be in a compressed state, and the plurality of first braking members 13 and the plurality of second braking members 14 are engaged with each other, so that friction between the first braking members 13 and the second braking members 14 is increased, and reliability of braking is increased.

In some embodiments, the first braking member 13 and the second braking member 14 are both provided with one, and the driving assembly 15 can drive the first braking member 13 and/or the second braking member 14 so as to make the first braking member 13 and the second braking member 14 in pressing contact for locking or releasing for unlocking, so that the structure is simple and the cost is low.

In some embodiments, two first braking members 13 are provided, one second braking member 14 is provided, the second braking member 14 is provided between the two first braking members 13 along the axial direction of the bearing body 12, and the driving assembly 15 can drive the first braking members 13 to move so as to enable the first braking members 13 and the second braking members 14 to be in pressing contact for locking or unlocking, so that the structure is simple, and the braking performance is good.

In the case of having the plurality of first braking members 13 and the plurality of second braking members 14, the plurality of first braking members 13 and the plurality of second braking members 14 are connected in at least three ways:

First, the first braking member 13 is located at the outer side, and a plurality of first braking members 13 are connected to form a synchronous moving structure.

The driving assembly 15 drives the outermost first braking member 13 to move, so that the linkage of the plurality of first braking members 13 can be realized, the second braking member 14 can be fixedly arranged on the bearing seat 11, and the plurality of first braking members 13 move to be in abutting contact with the corresponding second braking members 14 to generate friction force for limiting the rotation of the first braking members 13.

Second, the second braking members 14 are located at the outer sides, and a plurality of second braking members 14 are connected to form a synchronous moving structure.

The driving assembly 15 drives the outermost second braking member 14 to move, so that the plurality of second braking members 14 can be linked, the first braking member 13 can be fixedly connected to the bearing body 12, and the plurality of second braking members 14 move to be in contact with the corresponding first braking member 13 in a pressing manner to generate friction force for limiting the rotation of the first braking member 13.

Third, the first stopper 13 is located outside one end, and the second stopper 14 is located outside the other end.

The plurality of first braking members 13 are connected to form a synchronous moving structure, the plurality of second braking members 14 are connected to form a synchronous moving structure, and the driving assembly 15 drives the first braking members 13 and the second braking members 14 to move simultaneously so as to lock or unlock the first braking members 13 and the second braking members 14.

In some embodiments, the first brake member 13 and the second brake member 14 are annular brake pads.

The first braking piece 13 is sleeved outside the bearing body 12 in an annular shape and is in circumferential power coupling connection with the inner peripheral wall and the outer peripheral wall of the bearing body 12; the second braking piece 14 is sleeved outside the bearing seat 11 in an annular mode and is in circumferential power coupling connection with the outer peripheral wall and the inner peripheral wall of the bearing seat 11.

By arranging the first brake member 13 and the second brake member 14 as annular brake pads, the contact area of the first brake member 13 and the second brake member 14 can be increased under the locking condition, the braking reliability can be increased, the stress concentration can be reduced, the loss of the first brake member 13 and the second brake member 14 can be reduced, the replacement frequency can be reduced, and the use cost can be reduced.

Further, as shown in fig. 4 and 5, the outer circumferential wall of the bearing body 12 is provided with first external teeth 126, and the first external teeth 126 extend in the axial direction of the bearing body 12; the inner peripheral wall of the first brake member 13 is provided with first inner teeth, the first brake member 13 is sleeved outside the bearing body 12, and the first outer teeth 126 are meshed with the first inner teeth; the inner peripheral wall of the bearing housing 11 is provided with second internal teeth 111, and the second internal teeth 111 extend in the axial direction of the bearing housing 11; the outer peripheral wall of the second stopper 14 is provided with second external teeth, the second stopper 14 is provided in the bearing housing 11, and the second external teeth are meshed with the second internal teeth 111.

In the present embodiment, the outer peripheral wall of the bearing body 12 and the inner peripheral wall of the first stopper 13 are assembled by tooth engagement, and the bearing body 12 and the first stopper 13 are coupled in a circumferential power coupling.

The first external teeth 126 extend in the axial direction of the bearing body 12, and the first stopper 13 is axially relatively movable with respect to the bearing body 12.

The inner peripheral wall of the bearing seat 11 is assembled with the outer peripheral wall of the second braking member 14 by tooth engagement, and the bearing seat 11 and the second braking member 14 are coupled in a circumferential power coupling manner.

The second internal teeth 111 extend in the axial direction of the bearing housing 11, and the second brake 14 is axially movable relative to the bearing housing 11.

Through setting up tooth meshing's form, can realize bearing body 12 and first brake piece 13 circumference power coupling connection, bearing frame 11 and second brake piece 14 circumference power coupling connection, can realize again that first brake piece 13 moves along the axial of bearing body 12, and second brake piece 14 moves along the radial of bearing frame 11, simple structure, the assembly is reliable.

In some embodiments, as shown in fig. 2, the driving assemblies 15 include two driving assemblies 15 spaced apart along the axial direction of the bearing body 12, and the two driving assemblies 15 are disposed opposite to each other, with the first brake member 13 and the second brake member 14 disposed between the two driving assemblies 15.

The output ends of the two driving assemblies 15 can be close to each other to drive the first braking member 13 and the second braking member 14 to close to each other for locking, and the output ends of the two driving assemblies 15 can be far away from each other to release the first braking member 13 and the second braking member 14 for unlocking.

By arranging two driving assemblies 15 which are oppositely arranged, simultaneous driving of two ends can be realized, the driving stroke is shortened, the braking force is increased, and the braking reliability is improved.

The drive assembly 15 includes: the mounting seat and a plurality of drive parts, the mounting seat cover is located outside the bearing body 12, and a plurality of drive parts are around the circumference interval distribution in the mounting seat of bearing body 12.

The multiple driving parts are distributed on the mounting seat at intervals around the circumference of the bearing body 12, so that synchronous multipoint driving of the first braking part 13 and/or the second braking part 14 can be realized, driving force is increased, braking reliability is improved, and the multiple driving parts can be driven by using one driving motor, so that cost is low.

The driving part may be a telescopic rod structure, such as an electric telescopic rod or a hydraulic telescopic rod.

The number of driving parts may be set according to a specific use scenario, and 2 to 5 driving parts may be set in consideration of cost and use effect.

For example, 4 driving portions are provided, and 4 driving portions are uniformly distributed around the circumferential direction of the bearing body 12.

The mounting seat is annular, and the mounting seat is sleeved outside the bearing body 12 and is positioned at the end part of the bearing body 12.

The protruding ends of the plurality of driving parts face the bearing body 12, and in the locked state, the protruding ends of the driving parts are close to each other, and in the unlocked state, the protruding ends of the driving parts are far away from each other.

The mount may be mounted to the bearing housing 11 by fasteners such as bolts or screws.

Further, as shown in fig. 3, the brake bearing further includes: and a cover plate 16, wherein the cover plate 16 is mounted on the end part of the bearing seat 11, and the mounting seat is mounted on the cover plate 16.

By arranging the cover plate 16, the mounting seat can be axially fixed, so that a plurality of driving parts can drive the first braking piece 13 and/or the second braking piece 14 linearly along the axial direction, the driving stroke is shortened, and the driving loss is reduced; meanwhile, by arranging the cover plate 16, the cover plate 16 and the cavity of the bearing seat 11 jointly define a placing cavity, and the bearing body 12, the first braking piece 13, the second braking piece 14 and the driving assembly 15 are arranged in the placing cavity, so that rainwater and dust can be prevented from entering the brake bearing assembly, and a protection effect is achieved.

The cover plate 16 may be connected to the end of the bearing housing 11 by means of a stud or screw connection, and the cover plate 16 may be connected to the cover plate 16 by means of a stud or screw connection.

In some embodiments, as shown in fig. 1 and 2, the bearing body 12 includes: a first connection portion 121 and a second connection portion 122.

The first brake member 13 is in power coupling connection with the first connecting portion 121 around the circumferential direction of the first connecting portion 121; the second connecting portion 122 is disposed in the first connecting portion 121, and the first connecting portion 121 is in power coupling connection with the second connecting portion 122 around the circumference of the first connecting portion 121, and the second connecting portion 122 is provided with a through hole 125, and the through hole 125 is adapted to be matched with the spindle.

The first braking member 13, the first connecting portion 121, and the second connecting portion 122 are sequentially distributed from outside to inside.

The first brake member 13, the first connecting portion 121 and the second connecting portion 122 are coupled and connected by a circumferential power.

The first brake member 13 may be coupled to the first connecting portion 121 by a tooth engagement or a snap-fit manner, and the first brake member 13 may be moved in the axial direction of the first connecting portion 121.

The second connecting portion 122 and the first connecting portion 121 may be coupled by circumferential power coupling through tooth engagement or clamping, and the second connecting portion 122 may move along the axial direction of the first connecting portion 121.

Through setting up the first connecting portion 121 and the second connecting portion 122 of components of a whole that can function independently, second connecting portion 122 is provided with through-hole 125, and through-hole 125 is suitable for with the main shaft cooperation, can be through changing the second connecting portion 122 of through-hole 125 that has different specifications to be suitable for with the main shaft cooperation of multiple specification, increase service scenario, reduce use cost.

In some embodiments, as shown in fig. 5 and 6, one of the inner wall of the first connection part 121 and the outer wall of the second connection part 122 is provided with a protrusion 123, and the other of the inner wall of the first connection part 121 and the outer wall of the second connection part 122 is provided with a groove part 124 that is fitted with the protrusion 123.

The inner wall of the first connecting part 121 and the outer wall of the second connecting part 122 are clamped through the protruding part 123 and the groove part 124, so that circumferential power coupling connection is realized, the structure is simple, the connection is reliable, the structure is compact, and the occupied space is small.

Wherein, as shown in fig. 4, at least one end of the groove portion 124 is opened so that the second connection portion 122 can be inserted into the inner wall of the first connection portion 121 through the opened end, thereby facilitating assembly.

In some embodiments, as shown in fig. 7, the protrusion 123 includes a plurality of protrusions 123 circumferentially spaced around the outer wall of the second connection portion 122; as shown in fig. 5, the groove portion 124 includes a plurality of groove portions 124 circumferentially spaced around the inner wall of the first connecting portion 121.

For example, the number of the protruding portions 123 may be 2, 3, 4, or more, and the number of the groove portions 124 is adapted to the number of the protruding portions 123.

By providing a plurality of the protruding portions 123 and the recessed portions 124 that are engaged, the reliability of assembly can be increased, and the braking reliability can be increased.

In some embodiments, the convex shape of the convex portion 123 may be set according to the actual use situation, for example, may be a circular convex, a square convex, or a tooth-shaped convex, and the concave shape of the concave portion 124 is adapted to the convex shape of the convex portion 123.

According to the braking bearing provided by the embodiment of the application, the first braking piece 13 and the second braking piece 14 are arranged, the first braking piece 13 is in power coupling connection with the bearing body 12 around the circumference of the bearing body 12, the second braking piece 14 is in power coupling connection with the bearing seat 11 around the circumference of the bearing seat 11, the driving assembly 15 drives the first braking piece 13 and/or the second braking piece 14 to move, so that the first braking piece 13 is limited to rotate by virtue of friction between the first braking piece 13 and the second braking piece 14, the bearing body 12 is braked to rotate, the purpose of limiting spindle rotation is achieved, the braking bearing is simple and reliable in structure, new parts are not required to be added, and the cost is low.

In some embodiments, the photovoltaic bracket further comprises a controller, the controller being electrically connected to the brake bearing.

When the bearing body 12 does not need to be braked, the controller does not send out signals to the driving assemblies 15 at the two ends of the bearing body 12, the telescopic ends of the driving assemblies 15 do not extend, the rotary speed reducer or the push rod drives the main shaft and the second connecting part 122 to rotate together, at the moment, the driving assemblies 15 do not work, the first braking piece 13 and the second braking piece 14 are in a separated state, no force acts between the first braking piece 13 and the second braking piece 14, the second braking piece 14 rotates together with the rotation of the bearing body 12, and the bearing body 12 is not braked;

When the bearing body 12 needs to be braked, the controller receives signals and transmits the signals to the driving assemblies 15 at two ends of the bearing body 12, the telescopic ends of the driving assemblies 15 extend out and press the first braking pieces 13, the first braking pieces 13 move along the axial direction of the bearing body 12 and are close to the center of the bearing body 12, the first braking pieces 13 gradually press the second braking pieces 14, and the second braking pieces 14 are in a fixed state due to the fact that the second braking pieces 14 are assembled with the fixed bearing seat 11 in a tooth engagement mode, so that as the telescopic ends of the driving assemblies 15 extend out continuously, the pressure between the first braking pieces 13 and the second braking pieces 14 is increased continuously, the purpose of limiting the rotation of the first braking pieces 13 is achieved, the purpose of limiting the rotation of the main shaft is achieved, and braking force is increased gradually along with the continuous increase of the thrust of the telescopic ends of the driving assemblies 15.

The embodiment of the application also provides a photovoltaic bracket, which comprises: support frame, main shaft and above-mentioned arbitrary braking bearing.

The bearing seat 11 of the brake bearing is arranged on the supporting frame, and the main shaft is in power coupling connection with the bearing body 12 of the brake bearing.

According to the photovoltaic bracket provided by the embodiment of the application, the brake bearing is provided with the first brake piece 13 and the second brake piece 14, the first brake piece 13 is in power coupling connection with the bearing body 12 around the circumference of the bearing body 12, the second brake piece 14 is in power coupling connection with the bearing seat 11 around the circumference of the bearing seat 11, the driving assembly 15 drives the first brake piece 13 and/or the second brake piece 14 to move, so that the first brake piece 13 is limited to rotate by virtue of friction between the first brake piece 13 and the second brake piece 14, the rotation of the bearing body 12 is braked, the purpose of limiting the rotation of the main shaft is achieved, the brake bearing is simple and reliable in structure, new parts are not needed, and the cost is low.

The embodiment of the application also provides a photovoltaic system, which comprises: photovoltaic module and photovoltaic support, photovoltaic module sets up on the photovoltaic support.

According to the photovoltaic system provided by the embodiment of the application, the brake bearing is provided with the first brake piece 13 and the second brake piece 14, the first brake piece 13 is in power coupling connection with the bearing body 12 around the circumference of the bearing body 12, the second brake piece 14 is in power coupling connection with the bearing seat 11 around the circumference of the bearing seat 11, the driving assembly 15 drives the first brake piece 13 and/or the second brake piece 14 to move, so that the first brake piece 13 is limited to rotate by virtue of friction between the first brake piece 13 and the second brake piece 14, the rotation of the bearing body 12 is braked, the purpose of limiting the rotation of the main shaft is achieved, the brake bearing is simple and reliable in structure, new parts are not needed, and the cost is low.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the description of the application, a "first feature" or "second feature" may include one or more of such features.

In the description of the present application, "plurality" means two or more.

In the description of the application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A brake bearing, comprising:

a bearing block (11);

The bearing body (12) is rotatably arranged in the bearing seat (11), and the bearing body (12) is suitable for being in power coupling connection with a main shaft;

At least one first brake element (13), the first brake element (13) being in power coupling connection with the bearing body (12) around the circumference of the bearing body (12);

At least one second brake element (14), wherein the second brake element (14) is in power coupling connection with the bearing seat (11) around the circumference of the bearing seat (11); the first braking piece (13) is movably arranged on the bearing body (12) along the axial direction of the bearing body (12), and/or the second braking piece (14) is movably arranged on the bearing seat (11) along the axial direction of the bearing seat (11);

-a drive assembly (15), the drive assembly (15) being adapted to drive at least one of the first braking member (13) and the second braking member (14) to move in an axial direction to lock or unlock the first braking member (13) and the second braking member (14).

2. A brake bearing according to claim 1, wherein,

The first braking parts (13) comprise a plurality of first braking parts (13) which are distributed along the axial direction of the bearing body (12), and the plurality of first braking parts (13) are movably arranged on the bearing body (12) along the axial direction of the bearing body (12);

The second braking parts (14) comprise a plurality of second braking parts (14) which are distributed along the axial direction of the bearing seat (11), and the second braking parts (14) are movably arranged on the bearing seat (11) along the axial direction of the bearing seat (11);

The first braking pieces (13) and the second braking pieces (14) are alternately distributed along the axial direction of the bearing body (12);

When the first braking piece (13) and the second braking piece (14) are locked, two adjacent first braking pieces (13) and second braking pieces (14) are in a compressed state.

3. A brake bearing according to claim 1, wherein,

The outer peripheral wall of the bearing body (12) is provided with first external teeth (126), and the first external teeth (126) extend along the axial direction of the bearing body (12); the inner peripheral wall of the first braking piece (13) is provided with first inner teeth, the first braking piece (13) is sleeved outside the bearing body (12), and the first outer teeth (126) are meshed with the first inner teeth;

The inner peripheral wall of the bearing seat (11) is provided with second internal teeth (111), and the second internal teeth (111) extend along the axial direction of the bearing seat (11); the outer peripheral wall of the second braking piece (14) is provided with second external teeth, the second braking piece (14) is arranged in the bearing seat (11), and the second external teeth are meshed with the second internal teeth (111).

4. A brake bearing according to claim 1, wherein,

The driving components (15) comprise two driving components (15) which are distributed at intervals along the axial direction of the bearing body (12) and are oppositely arranged, and the first braking piece (13) and the second braking piece (14) are arranged between the two driving components (15).

5. A brake bearing according to claim 1, wherein,

The drive assembly (15) comprises: the mounting seat is sleeved outside the bearing body (12), and the driving parts are distributed at intervals around the circumference of the bearing body (12) in the mounting seat.

6. The brake bearing of claim 5, further comprising:

And the cover plate (16), the cover plate (16) is arranged at the end part of the bearing seat (11), and the mounting seat is arranged on the cover plate (16).

7. The brake bearing according to claim 1, characterized in that the bearing body (12) comprises:

A first connecting portion (121), wherein the first braking member (13) is in power coupling connection with the first connecting portion (121) around the circumferential direction of the first connecting portion (121);

The second connecting portion (122), second connecting portion (122) set up in first connecting portion (121), just first connecting portion (121) around the circumference of first connecting portion (121) with second connecting portion (122) power coupling is connected, second connecting portion (122) are provided with through-hole (125), through-hole (125) are suitable for with the main shaft cooperation.

8. The brake bearing of claim 7, wherein the brake bearing is configured to rotate about a pivot axis,

One of the inner wall of the first connecting portion (121) and the outer wall of the second connecting portion (122) is provided with a protruding portion (123), and the other of the inner wall of the first connecting portion (121) and the outer wall of the second connecting portion (122) is provided with a groove portion (124) adapted to the protruding portion (123).

9. The brake bearing of claim 8, wherein the brake bearing is configured to rotate about a pivot axis,

The protruding parts (123) comprise a plurality of protruding parts (123) which are circumferentially distributed at intervals around the outer wall of the second connecting part (122);

the groove portions (124) include a plurality of groove portions (124) circumferentially spaced around the inner wall of the first connecting portion (121).

10. A photovoltaic bracket, comprising:

A support frame;

The brake bearing according to any one of claims 1-9, a bearing housing (11) of the brake bearing being mounted to the support frame;

And the main shaft is in power coupling connection with the bearing body (12) of the brake bearing.

11. A photovoltaic system, comprising:

The photovoltaic bracket of claim 10;

and the photovoltaic module is arranged on the photovoltaic bracket.