Transmission assembly, solar support and solar equipment

By designing a transmission assembly including a support member, an input member, an output member and a spiral guide structure, the transmission instability caused by load weight differences and external force is solved, and the stability of the transmission and the reduction of power source power are achieved.

WO2025039094A1PCT designated stage expired Publication Date: 2025-02-27GAO FENG
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Patent Information

Application Number
PCT/CN2023/113655
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-08-18
Publication Date
2025-02-27

AI Technical Summary

Technical Problem

In some application scenarios, there is a large difference in the weight of the load or is very susceptible to external forces, resulting in instability of the transmission structure and damage to the power source.

Method used

A transmission assembly is proposed, including a support member, an input member, an output member and a spiral guide structure. The output member can only rotate about its axis, and the guide structure transmits the load's force to the support through a spiral shape, avoiding direct influence on the input member and the power source.

Benefits of technology

The stability and reliability of the transmission are achieved, the service life is extended, and the power requirements for the power source are greatly reduced.

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Abstract

The present application first provides a transmission assembly. The transmission assembly comprises a supporting member, an input member and an output member. The input member is movably connected to the supporting member. The output member is movably connected to the supporting member, has an axis defined by the supporting member, and is in transmission fit with the input member. The transmission direction of the input member to the output member is the same as the direction of the axis of the output member. The transmission assembly further comprises a guide structure configured to guide the movement of the output member. The guide structure is arranged between the supporting member and the output member and spirally extends in the axial direction of the output member. When in use, the output member is driven by the input member and guided by the guide structure to rotate at least about the axis thereof. The present application also provides a solar support comprising at least one said transmission assembly. The present application also provides a solar equipment comprising the solar support. The present application has the beneficial effects of ensuring the stability and reliability of transmission, prolonging the service life, and greatly lowering the requirement on power of a power source.
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Description

Transmission assembly, solar bracket and solar equipment Technical Field

[0001] The present application relates to the field of mechanical transmission, in particular to the field of solar energy equipment technology, and more particularly to a transmission assembly, a solar energy bracket and a solar energy device. Background Art

[0002] Mechanical transmission refers to the transmission of power provided by a power source through a mechanical structure, thereby driving the load to achieve the desired movement. It usually includes an input part connected to the power source that provides power, and an output part connected to the load. Currently, mechanical transmission mainly includes two categories: one is friction transmission that transmits power through the friction between the input and output parts, and the other is meshing transmission that transmits power or motion through the meshing of the input and output parts or with the help of meshing of intermediate parts.

[0003] In some application scenarios, it is necessary to lift or lower the load to a certain height through a transmission structure, such as an elevator. Since the weight of the load driven each time varies greatly, the power source needs to increase the power to ensure that it can drive the maximum load.

[0004] In some application scenarios, a transmission structure is needed to drive a relatively large load used outdoors, such as billboards, photovoltaic panels, and solar thermal systems. Due to the influence of air flow, it is very easy for the load to exert a large force on the output component in an instant. At this time, the transmission structure will transmit the external force exerted on the load back to the power source, causing damage or even destruction of the power source. Therefore, either additional mechanical structures such as brakes are installed, or a transmission structure with a self-locking function is used.

[0005] The current transmission structures with self-locking functions include a combination of a trapezoidal lead screw and a lead screw nut and a combination of a worm gear and a worm.

[0006] However, in application scenarios such as the above, since the trapezoidal lead screw drives the lead nut to move along the axial direction of the trapezoidal lead screw, it will interfere with the trapezoidal lead screw when driving the load to move. Therefore, the trapezoidal lead screw needs to be moved away from the load to ensure that there is space to allow the load to move.

[0007] The transmission between the worm wheel and the worm gear relies on tooth meshing, and the contact area is very limited. When the weight of the load suddenly increases or is instantly subjected to external force, the teeth of the two are subjected to a large force. After long-term use, gaps are likely to appear between the teeth, resulting in large transmission errors. What's worse, it may cause damage or even destruction of the worm wheel and worm gear. Technical issues

[0008] Therefore, in the case where the weight of the load driven each time varies greatly or the load is easily affected by external forces, how to set the transmission structure is an issue that needs to be solved urgently. Technical Solutions

[0009] This application first proposes a transmission assembly to solve the problems encountered by the transmission structure when there is a large difference in the weight of the load driven each time or the load is extremely susceptible to external forces. This application also proposes a solar bracket and a solar device.

[0010] As a first aspect of the present application, a transmission assembly is proposed, comprising

[0011] Support members;

[0012] an input member, movably connected to the support member;

[0013] an output member movably connected to the support member, the output member having an axis defined by the support member, the output member being in transmission cooperation with the input member, and the transmission direction of the input member to the output member being in the same direction as the axis of the output member;

[0014] It also includes a guide structure for guiding the movement of the output member, wherein the guide structure is provided between the support member and the output member and extends in a spiral shape along the axis direction of the output member;

[0015] When in use, driven by the input member and guided by the guide structure, the output member rotates at least around its axis.

[0016] Preferably, the angle formed by the guide structure and the axis of the output member is greater than 0 and less than 40 degrees.

[0017] Furthermore, the angle formed by the guide structure and the axis of the output member is greater than 5 and less than 25 degrees.

[0018] Preferably, the guide structure includes a first guide structure, the first guide structure includes a first guide portion and a second guide portion adapted to the first guide portion; the second guide portion is provided on the support member and / or the input member.

[0019] Furthermore, there is at least one group of the first guide structures, and multiple groups of the first guide structures are arranged at intervals, and the multiple groups of the first guide structures are all located on the same circumferential surface, and the center of the circumferential surface is located on the axis of the output member.

[0020] Furthermore, the first guide structure further includes a first movable member, and the first guide portion and the second guide portion form a guiding fit through the first movable member.

[0021] Furthermore, the first movable member is spherical in shape, or cylindrical in shape.

[0022] Furthermore, the transmission assembly proposed in the present application further includes an intermediate piece, and the first guide portion is provided on the intermediate piece;

[0023] At the same time, the guide structure proposed in the present application further includes a second guide structure, which includes a third guide portion provided on the intermediate member and the output member, and a fourth guide portion forming a guide cooperation with the third guide portion;

[0024] The output member is transmission-connected to the input member via the intermediate member.

[0025] Furthermore, at least one of the first guiding structure and the second guiding structure is spiral.

[0026] Furthermore, the second guide structure also includes a second movable member.

[0027] Furthermore, the second movable member is spherical, or the second movable member is a roller.

[0028] As a second aspect of the present application, a solar support comprises the transmission assembly as described above.

[0029] As a third aspect of the present application, a solar device includes the solar support as described above. Beneficial effects

[0030] The transmission assembly, solar bracket and solar equipment proposed in this application have the following beneficial effects: ensuring the stability and reliability of transmission, long service life, and significantly reducing the power requirement of the power source. Specifically,

[0031] First, the output member has an axis defined by the support member, that is, the output member can only move around the axis; the direction of transmission of the output member by the input member is the same as the axis of the output member, that is, the component directly driven by the input member will at least move along the axis of the output member; by setting the guide structure into a spiral shape, the output member is driven by the input member and guided by the guide structure to at least rotate around its axis, thereby driving the load to move by rotating the output member around its axis, so that the transmission of the transmission assembly proposed in this application has the characteristics of stability and reliability.

[0032] Secondly, since the movement of the load is driven by the rotation of the output member about its axis, when the weight of the load changes or the load is subjected to an external force, the force exerted by the load on the output member is first borne by the guide structure and directly transmitted to the support member, thereby avoiding a direct impact on the input member, that is, avoiding an impact on the power source. At the same time, when the angle between the spiral extension direction of the guide structure and the axis of the output member is greater than 0 and less than 40 degrees, especially when the angle is greater than 5 and less than 25 degrees, when the transmission assembly proposed in this application is used, since the force exerted by the load on the output member is transmitted to the support structure through the guide structure, the force transmitted to the input member will be greatly reduced, that is, the force transmitted to the power source will be greatly reduced; accordingly, due to the mutuality of the forces, when it is necessary to drive the input member by the power source and the output member by the input member to achieve the same load movement, only a smaller power motor is required; obviously, when the angle between the spiral extension direction of the guide structure and the axis of the output member is greater than 0 and less than 40 degrees, not only is the transmission stability and reliability of the transmission assembly further guaranteed, but the power requirement of the power source is also reduced.

[0033] Third, compared with the trapezoidal lead screw, the transmission assembly proposed in the present application will not cause interference when the load moves; at the same time, compared with the worm gear, the transmission assembly proposed in the present application can form a larger contact area due to the guide structure. When driving the same load or the load is subjected to an instantaneous force, the force transmitted by the output part to the input part in the same direction is the same. The force per unit area of ​​the contact part of the guide structure is smaller. Therefore, the transmission stability and reliability of the transmission assembly are further guaranteed while extending its service life.

[0034] Fourth, when the angle between the direction of the helical extension of the guide structure and the axis of the output member is greater than 0 and less than 40 degrees, in response to the input member acting on the output member, the distance the load is moved by the output member's rotation is less than the distance the load is moved by the output member's axial motion, in the absence of an intermediate member. Furthermore, the smaller the angle, the greater the reduction ratio, the better the reduction effect, and thus the lower the power requirement for the power source. It should be understood that the reduction effect is also achieved with the intermediate member. In this case, the distance the load is moved by the output member's rotation is compared to the distance the load is moved by the component directly connected to the input member along the output member's axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, and are not limitations to the present application.

[0036] FIG1 is a schematic structural diagram of an embodiment of a transmission assembly proposed in this application;

[0037] FIG2 is an exploded schematic diagram of FIG1 ;

[0038] FIG3 is an enlarged schematic diagram of point A in FIG2 ;

[0039] FIG4 is an enlarged schematic diagram of point B in FIG2 ;

[0040] FIG5 is an enlarged schematic diagram of point C in FIG2 ;

[0041] FIG6 is an enlarged schematic diagram of point D in FIG2 ;

[0042] FIG7 is a schematic diagram of the cooperation between the transmission assembly and the power source shown in FIG1 ;

[0043] FIG8 is a schematic structural diagram of another embodiment of the transmission assembly proposed in this application.

[0044] Description of reference numerals:

[0045] 1. Output parts;

[0046] 2. Support parts;

[0047] 3. Input components;

[0048] 4. Middleware;

[0049] 5. Guide structure; 51. First guide structure; 511. First guide portion; 512. Second guide portion; 513. First movable member; 52. Second guide structure; 521. Third guide portion; 522. Fourth guide portion;

[0050] 61. First transmission thread; 62. Second transmission thread;

[0051] 7. Power source. Modes for Carrying Out the Invention

[0052] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. It is understood that, in the absence of conflict, some technical means of the various embodiments described herein can be replaced or combined with each other.

[0053] In the description of this application, if the terms "first," "second," etc. appear, they are used solely to distinguish the objects being described and do not convey any order or technical meaning. Therefore, an object defined as "first," "second," etc. may explicitly or implicitly include one or more of such objects. Furthermore, "a" or "an," and similar terms, do not indicate a quantitative limitation, but rather indicate the presence of at least one, and "plurality" means at least two.

[0054] In the description of this application, if there are terms such as "connection", "support", "installation", "fixation", "contact", "support", "housing", etc., they should be understood in a broad sense. For example, "connection" can be a split connection or an integrated connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a non-detachable connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can also be the internal connection of two elements or the interaction relationship between two elements. For another example, "support" can be a direct support or an indirect support through an intermediate medium. For another example, "housing" does not necessarily mean complete housing of the whole. The concept also includes the housing of a part that protrudes from the outside. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0055] In the description of this application, if there are similar terms such as “A is connected to B in a rotatable manner”, it means that A and B are directly or indirectly connected, and A can rotate relative to B.

[0056] In the description of this specification, reference to "one embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in conjunction with the embodiment is included in one or more embodiments of the present application. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in yet other embodiments," etc., appearing in different places in this specification do not necessarily refer to the same embodiment, but rather mean "one or more but not all embodiments," unless otherwise specifically emphasized.

[0057] As the first aspect of this embodiment, a transmission assembly is proposed. It should be understood that transmission refers to the transmission of power between machines. Therefore, the transmission assembly should be understood as a combination of two or more components that can transmit power through cooperation.

[0058] As shown in FIG. 1 to FIG. 8 , the transmission assembly proposed in this embodiment includes a support member 2 , an input member 3 and an output member 1 .

[0059] Among them, the support member 2 refers to a component that can be used to be fixedly connected to the outside of the transmission component and can support the input member 3 and the output member 1. It should be understood that according to the different ways of using the transmission component proposed in this embodiment, the external components fixedly connected to the support member 2 are also different. For example, in a solar energy device that can track the sun, the solar panel is the ultimate load. To achieve tracking of sunlight, the solar panel needs to rotate relative to the ground. When the solar panel is directly driven by the output member 1, the support member 2 should be fixedly connected to the ground. In some application scenarios, the output member 1 can also be fixedly connected to the ground. At this time, the solar panel is fixedly connected to the support member 2, and the solar panel can also be rotated relative to the ground. Therefore, when the function of the component is consistent with the function of the component of this application, changing the name of the component only by changing the way of use should be understood to be within the scope of protection of this application.

[0060] The input member 3 refers to a component in the transmission assembly that is connected to the power source 7. In this embodiment, the input member 3 is also movably connected to the support member 2, wherein the input member 3 is movably connected to the support member 2, which can be a direct contact connection or a connection formed by other components. It should be understood that the input member 3 is movably connected relative to the support member 2, which means that the two are connected, and at the same time, the input member 3 can also move relative to the support member 2, wherein the movement of the input member 3 relative to the support member 2 includes rotation, linear sliding, or rotation while linear sliding; at the same time, the power source 7 refers to a mechanical device that can output power, such as: an electrically driven motor, a cylinder driven by compressed air, or a hydraulic cylinder driven by liquid, etc.

[0061] It should be noted that the input member 3 is connected to the power source 7, and can be connected by tooth meshing as shown in Figures 7 and 8, or can be connected by other existing known transmission methods. For example, the power source 7 and the input member 3 are connected by a synchronous belt and a pulley, or the power source 7 and the input member 3 are connected by a screw and a screw nut, or the power source 7 is directly integrated with the input member 3, such as directly selecting a power source 7 such as a hollow motor or a linear motor as the input member 3. Therefore, only changing the connection relationship between the power source 7 and the input member 3 should be understood to be within the scope of protection of this application.

[0062] The output member 1 refers to a component used to drive the load to move. In this embodiment, the output member 1 is also movably connected to the support member 2, and the output member 1 has an axis defined by the support member 2. The output member 1 is matched with the input member 3 in transmission, and the transmission direction of the input member 3 to the output member 1 is in the same direction as the axis of the output member 1.

[0063] At the same time, as shown in Figures 1 to 8, the transmission assembly proposed in this embodiment also includes a guide structure 5 for guiding the movement of the output member 1. The guide structure 5 is arranged between the support member 2 and the output member 1 and extends in a spiral shape along the axial direction of the output member 1.

[0064] In combination with the above, it is obvious that when using the transmission assembly proposed in this embodiment, the power source 7 drives the input member 3, and the input member 3 then drives the output member 1. At the same time, under the guidance of the guide structure 5, the output member 1 rotates at least around its axis. At this time, the output member 1 can also drive the final load to rotate around its axis.

[0065] Furthermore, in this embodiment, since the guide structure 5 forces the output member 1 to rotate when it is driven by the input member 3, the smaller the angle between the guide structure 5 and the axis of the output member 1, the easier it is for the input member 3 to drive the output member 1 to move along its axis.

[0066] Preferably, the angle formed by the guide structure 5 and the axis of the output member 1 is greater than 0 and less than 40 degrees.

[0067] As the best option, the angle formed by the guide structure 5 and the axis of the output member 1 is greater than 5 and less than 25 degrees.

[0068] When the diameter of the output member 1 is 50 mm, and the angles formed between the guide structure 5 and the axis of the output member 1 are different, the following data are measured at different angles in combination with a limited number of experiments:

[0069] When the angle is 40 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 850 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 1200 N is required along the axial direction of the output member 1.

[0070] When the angle is 28 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 500 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 680 N is required along the axial direction of the output member 1.

[0071] When the angle is 18 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 310 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 450 N is required along the axial direction of the output member 1.

[0072] When the angle is 14 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 230 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 320 N is required along the axial direction of the output member 1.

[0073] When the angle is 10 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 150 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 210 N is required along the axial direction of the output member 1.

[0074] When the angle is 5 degrees, when a force of 1000 N is applied to the output member 1, in order to keep the output member 1 stationary, a force of approximately 75 N is required along the axial direction of the output member 1; and in order to drive a load of 1000 N, a driving force of approximately 110 N is required along the axial direction of the output member 1.

[0075] It is obvious from the above experimental data that when the angle formed by the guide structure 5 and the axis of the output member 1 is smaller, a smaller power source 7 is needed to drive a load of the same weight. At the same time, a smaller power source 7 is needed to keep the output member 1 from moving relative to the support member 2.

[0076] Furthermore, in this embodiment, as shown in Figures 1, 2 and 6, the guide structure 5 includes a first guide structure 51, and the first guide structure 51 includes a first guide portion 511 and a second guide portion 512 adapted to the first guide portion 511; the second guide portion 512 is provided on the support member 2. It should be noted that, in this embodiment, it is stated that the second guide portion 512 is provided on the support member 2. In fact, the second guide portion 512 can also be directly provided on the input member 3, and the second guide portion 512 is provided on both the input member 3 and the support member 2.

[0077] Furthermore, in this embodiment, in order to further increase the contact area between the two parts that cooperate with each other in the guide structure 5, there is at least one group of the first guide structure 51, and multiple groups of the first guide structures 51 are arranged at intervals, and the multiple groups of the first guide structures 51 are all located on the same circular surface, and the center of the circular surface is located on the axis of the output member 1.

[0078] Furthermore, in this embodiment, in order to improve the transmission efficiency, the first guide structure 51 also includes a first movable part 513, and the first guide part 511 and the second guide part 512 form a guiding cooperation through the first movable part 513. By setting the first movable part 513, when the first guide part 511 moves relative to the second guide part 512, the friction generated between the two is converted from surface friction to rolling friction.

[0079] Furthermore, in the present embodiment, the shape of the first movable member 513 is spherical. It should be understood that when the shape of the first movable member 513 is spherical, as the best, a circulation hole can be further provided inside the component where the first guide portion 511 is provided or inside the component where the second guide portion 512 is provided, and the two ends of the circulation hole are respectively connected to the two ends of the first guide portion 511 or the second guide portion 512. When the first guide portion 511 moves relative to the second guide portion 512, the spherical first movable member 513 can roll along the annular circulation path formed by the first guide portion 511 or the second guide portion 512 and the circulation hole, thereby reducing the friction between the first guide portion 511 and the second guide portion 512. It should be understood that in the present embodiment, the first movable member 513 is described as spherical. In fact, in some embodiments, the first movable member 513 can also be cylindrical. For example, a roller is used as the first movable member 513.

[0080] As an embodiment of the present application, as shown in Figures 1 to 7, in order to make the load rotate only around the axis of the output member 1, or to make the load rotate around the axis direction of the output member 1 at a much larger amplitude than the distance moved along the axis direction of the output member 1, the transmission assembly proposed in the present application also includes an intermediate member 4, and the first guide portion 511 is provided on the intermediate member 4; at the same time, the guide structure 5 proposed in the present application also includes a second guide structure 52, and the second guide structure 52 includes a third guide portion 521 provided on the intermediate member 4 and a fourth guide portion 522 provided on the output member 1 and forming a guide cooperation with the third guide portion 521; the output member 1 is transmission-connected to the input member 3 through the intermediate member 4.

[0081] It should be understood that the first guide structure 51 and the second guide structure 52 are combined to form a multi-stage guide structure 5, and at least one of the multi-stage guide member structures needs to be spiral, that is, at least one of the first guide structure 51 and the second guide structure 52 needs to be spiral, and the other is as parallel to the axis of the output member 1 as possible. At this time, when the transmission assembly proposed in this embodiment is working, the input member 3 drives the intermediate member 4 to move. Under the guidance of the first guide structure 51, the intermediate member 4 moves linearly at least along the axis of the output member 1. At the same time, under the joint action of the first guide structure 51 and the second guide structure 52, the intermediate member 4 will drive the output member 1 to rotate around the axis, and when any one of the first guide structure 51 and the second guide structure 52 is parallel to the axis of the output member 1, the output member 1 only rotates around its axis.

[0082] Furthermore, in this embodiment, in order to improve the transmission efficiency, the second guide structure 52 also includes a second movable part. It should be understood that the method of providing the second movable part to improve the transmission efficiency is the same as that of the aforementioned first movable part 513, and will not be repeated here.

[0083] Furthermore, in this embodiment, the second movable member is spherical, or the second movable member is a roller. Similarly, when the second movable member is spherical, its function and application can be referred to the first movable member 513, which will not be repeated here.

[0084] As another embodiment of the present application, as shown in Figure 8, it is different from the above embodiment in that the above embodiment describes an implementation scheme with an intermediate piece 4. In fact, the intermediate piece 4 may not be provided. It should be understood that, at this time, the guide structure 5 only has the first guide structure 51, and the first guide portion 511 of the first guide structure 51 is directly provided on the output member 1. The input member 3 directly drives the output member 1 to move along the axis. Under the action of the guide structure 5, the output member 1 can also rotate around the axis, that is, the output member 1 not only rotates around the axis, but also performs linear motion along the axis.

[0085] Through the above embodiments, it is obvious that the transmission assembly proposed in this application ensures the stability and reliability of the transmission, has a long service life, and significantly reduces the power requirement of the power source 7. Specifically, it is embodied in:

[0086] First, the output member 1 has an axis defined by the support member 2, that is, the output member 1 can only move around the axis; the direction of transmission of the output member 1 by the input member 3 is the same as the axis of the output member 1, that is, the components directly driven by the input member 3 will at least move along the axis direction of the output member 1; by setting the guide structure 5 into a spiral shape, the output member 1 is driven by the input member 3 and guided by the guide structure 5 to at least rotate around its axis, thereby driving the load to move by rotating the output member 1 around its axis, so that the transmission of the transmission assembly proposed in this application has the characteristics of stability and reliability.

[0087] Secondly, since the movement of the load is driven by the rotation of the output member 1 around its axis, when the weight of the load changes, or the load is subjected to an external force, the force exerted by the load on the output member 1 is first borne by the guide structure 5 and directly transmitted to the support member 2, avoiding a direct impact on the input member 3, that is, avoiding the impact on the power source 7. At the same time, when the angle between the spiral extension direction of the guide structure 5 and the axis of the output member 1 is greater than 0 and less than 40, especially when the angle is greater than 5 and less than 25, when the transmission assembly proposed in this application is used, the force exerted by the load on the output member 1 is transmitted through the guide structure 5. The guide structure 5 transmits the force to the supporting structure, so the force transmitted to the input member 3 will be greatly reduced, that is, the force transmitted to the power source 7 will be greatly reduced; accordingly, due to the mutuality of the forces, when it is necessary to drive the input member 3 through the power source 7 and the input member 3 drives the output member 1 to achieve the same load movement, only a smaller power motor is needed; obviously, when the angle between the direction of the spiral extension of the guide structure 5 and the axis of the output member 1 is greater than 0 and less than 40, it not only further ensures the stability and reliability of the transmission of the transmission assembly, but also reduces the power requirement of the power source 7.

[0088] Third, compared with the trapezoidal lead screw, the transmission assembly proposed in the present application will not cause interference when the load moves; at the same time, compared with the worm gear, the transmission assembly proposed in the present application can form a larger contact area because the guide structure 5 can form a larger contact area. When driving the same load or the load is subjected to an instantaneous force, the force transmitted by the output member 1 to the input member 3 in the same direction is the same. The force per unit area of ​​the contact part of the guide structure 5 is smaller. Therefore, the transmission stability and reliability of the transmission assembly are further guaranteed while extending its service life.

[0089] Fourth, when the angle between the helical extension of the guide structure 5 and the axis of the output member 1 is greater than 0 and less than 40 degrees, a deceleration effect is achieved. Without the intermediate member 4, the distance the load is driven by the rotation of the output member 1 is less than the distance the load is driven by the axial motion of the output member 1. Furthermore, the smaller the angle, the greater the deceleration ratio, the better the deceleration effect, and thus the lower the power requirement for the power source 7. It should be understood that the deceleration effect is also achieved when the intermediate member 4 is present. In this case, the distance the load is driven by the rotation of the output member 1 is compared to the distance the load is driven by the component directly connected to the input member 3 along the axis of the output member 1.

[0090] It should be understood that the transmission assembly proposed in this application is essentially that after the axis of the output member 1 is limited by the support member 2, when the input member 3 transmits a force to the output member 1 that causes the output member 1 to move linearly along the axis, the output member 1 realizes at least rotational movement around its axis under the action of the force and the guidance of the spiral guide structure 5.

[0091] Therefore, although in the accompanying drawings 1 to 8 of the present application, it is shown that the input member 3 and the support member 2 are directly or indirectly mounted on the output member 1 .

[0092] In fact, the input member 3 can also be arranged parallel to the output member 1, or the input member 3 can also be arranged coaxially with the output member 1, or the output member 1 can be sleeved on the input member 3. Therefore, without changing the essence of the present application, only the positional relationship between the input member 3 and the output member 1 is changed, but the two directly or indirectly constitute a transmission connection, which should be understood to be within the scope of protection of the present application.

[0093] At the same time, the transmission connection between the input member 3 and the output member 1 may be different depending on the positional relationship between the two. That is, the input member 3 and the output member 1 may be directly connected or indirectly connected. In particular, Figures 1 to 7 show an indirect transmission connection between the input member 3 and the output member 1. A first transmission thread 61 is provided on the input member 3, and a second transmission thread 62 adapted to the first transmission thread 61 is provided on the intermediate member 4. That is, the transmission connection between the input member 3 and the output member 1 is through the first transmission thread 61 and the second transmission thread. The threads 62 form a threaded fit, with the input member 3 driving the intermediate member 4, and the intermediate member 4 then driving the output member 1 through the second guide structure 52 to achieve a complete transmission connection; Figure 8 shows a direct transmission connection, that is, the transmission thread adapted to the first transmission thread 61 is directly provided on the output member 1. At this time, the input member 3 directly drives the output member 1. Obviously, in the threaded transmission fit, the input member 3 expects the output member 1 to perform linear motion along its axis, but under the action of the guide structure 5, the output member 1 rotates around its axis while performing linear motion.

[0094] It should be understood that, in the drawings of the present application, although it is only described that the input member 3 and the intermediate member 4 or the output member 1 form a direct transmission connection by means of threaded matching, it is obvious that other transmission methods can also be used. For example, a worm segment that is compatible with the worm wheel is provided on the intermediate member 4 or the output member 1, and the input member 3 is set as a worm wheel, then the transmission method of the input member 3 to the output member 1 is worm gear transmission; for another example, the input member 3 is set as a pulley, and is connected to the intermediate member 4 or the output member 1 through a transmission belt, then the transmission method of the input member 3 to the output member 1 is belt transmission. Therefore, only changing the transmission method between the input member 3 and the output member 1 should be understood to be within the scope of protection of the present application.

[0095] It should also be noted that the movable connection between the output member 1 and the support member 2 can also adopt a connection method different from that shown in the drawings of this embodiment, and the essence of this application can also be achieved. For example, the support member 2 is configured to be rod-shaped, and the output member 1 is sleeved on the support member 2. Therefore, only changing the movable connection method between the output member 1 and the support member 2 should also be understood to be within the scope of protection of this application.

[0096] It should be further explained that the guide structure 5 refers to a mechanical component or mechanical structure that controls the movement direction of the machine. It usually includes a track part and a movable part. The track part is used to limit the movement trajectory and movement direction of the movable part. For example, in the present application, the first guide part 511 and the third guide part 521 can be understood as the track part, and the second guide part 512 and the fourth guide part 522 should be understood as the movable part. It should be understood that although the present application only describes the use of surface matching to form the guide and the use of movable parts to form the guide matching, in fact, there are many guide structures 5 that can be used to realize the essence of the present application, such as the use of a spiral rod and a sliding ring sleeved on the spiral rod, or other existing known guide structures 5 that can be set into a spiral part. Therefore, only changing the shape or guiding method of the guide structure 5 should also be understood as within the scope of protection of the present application.

[0097] As the second aspect of this embodiment, a solar bracket includes the transmission assembly as described above; it should be noted that when the above-mentioned transmission assembly is applied to the solar bracket, only one transmission assembly can be used, or multiple transmission assemblies can be used; when multiple transmission assemblies are used, multiple power sources 7 can be used, so that each transmission assembly corresponds to a power source 7 and is independently transmitted and connected, or one power source 7 can be used through other transmission assemblies to transmit and connect multiple transmission assemblies at the same time.

[0098] As the third aspect of this embodiment, a solar device includes the solar bracket as described above. It should be noted that the solar device refers to a device that can realize photothermal conversion or photoelectric conversion, such as the so-called photovoltaic power generation, solar water heater, etc.

Claims

1. A transmission assembly, characterized in that: include Supports; An input member, movably connected to the support member; An output member is movably connected to the support member, and the output member has an axis defined by the support member, the output member is in transmission cooperation with the input member, and the transmission direction of the input member to the output member is in the same direction as the axis of the output member; It also includes a guide structure for guiding the movement of the output member, wherein the guide structure is disposed between the support member and the output member and extends in a spiral shape along the axis direction of the output member; When in use, driven by the input member and guided by the guide structure, the output member at least rotates around its axis.

2. The transmission assembly according to claim 1, characterized in that: The value of the angle formed by the guide structure and the axis of the output member is greater than 0 and less than 40 degrees.

3. The transmission assembly according to claim 2, characterized in that: The value of the angle formed by the guide structure and the axis of the output member is greater than 5 and less than 25 degrees.

4. The transmission assembly according to any one of claims 1 to 3, characterized in that: The guide structure comprises a first guide structure, wherein the first guide structure comprises a first guide portion and a second guide portion matched with the first guide portion; the second guide portion is arranged on the support member and / or the input member.

5. The transmission assembly according to claim 4, characterized in that: There is at least one group of the first guide structures, and multiple groups of the first guide structures are arranged at intervals, and the multiple groups of the first guide structures are all located on the same circumferential surface, and the center of the circumferential surface is located on the axis of the output member.

6. The transmission assembly according to claim 4, characterized in that: The first guide structure further includes a first movable member, and the first guide portion and the second guide portion form a guiding fit through the first movable member.

7. The transmission assembly according to claim 6, characterized in that: The first movable member is spherical in shape, or cylindrical in shape.

8. The transmission assembly according to claim 4, characterized in that: It also includes a middle piece, wherein the first guide portion is disposed on the middle piece; The guide structure further includes a second guide structure, wherein the second guide structure includes a third guide portion which is respectively arranged on the intermediate member and the output member, and a fourth guide portion which forms a guide cooperation with the third guide portion; The output member is drivingly connected to the input member via the intermediate member.

9. The transmission assembly according to claim 8, characterized in that: At least one of the first guide structure and the second guide structure is spiral.

10. The transmission assembly according to claim 8, characterized in that: The second guide structure also includes a second movable member.

11. The transmission assembly according to claim 10, characterized in that: The second movable member is spherical, or the second movable member is a roller.

12. A solar support, characterized in that: Comprising at least one group of transmission components according to any one of claims 1 to 11.

13. A solar energy device, characterized in that: Comprising the solar support as described in claim 12.

Citation Information

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