Rotary lifting structure and groove type photovoltaic device

Abstract

The utility model relates to the technical field of pipeline reinforcement, in particular to a rotary lifting structure and a groove type photovoltaic device, which comprise a rotary lifting unit and a photovoltaic unit, the rotary lifting unit comprises a support frame, a side connecting frame, a connecting groove, a motor, a telescopic rod, a rotary cylinder and an elastic assembly, the rotary lifting unit is arranged on the photovoltaic unit, and the side connecting frame is arranged on the rotary lifting unit. Each photovoltaic unit comprises a concentrating photovoltaic panel, a curved supporting piece and a heat collecting pipe. The water spraying device has the advantages that the water spraying pipe is arranged on the rod head, the telescopic rod is fixedly connected with the telescopic shaft of the reciprocating motor, the telescopic rod ascends to the telescopic rod limiting table to make contact with the second limiting table, the ascending height of the telescopic rod is consistent with the depth of the groove, and after the telescopic rod limiting table makes contact with the second limiting table, the telescopic rod and the rotating cylinder are limited; and at the moment, the water spraying pipe rotates circumferentially and ascends, so that the concentrating photovoltaic panel is cleaned at multiple angles.

Description

Technical Field

[0001] The utility model relates to the technical field of trough-type photovoltaic cleaning, in particular to a rotating lifting structure and a trough-type photovoltaic device. Background Art

[0002] Trough solar thermal power generation technology uses parabolic trough concentrating mirrors to focus sunlight onto a focal line. A tubular collector is installed at the focal line to absorb the focused solar radiation. The fluid within the tubes is heated, then flows through a heat exchanger to heat water, generating steam. This steam cycle generates electricity. Since contamination of the parabolic trough concentrators can affect the efficiency of solar power generation, cleaning is often necessary. However, using commonly used cleaning devices on the market can scratch the mirrors, which also affects power generation efficiency. Furthermore, the large surface area of the parabolic trough concentrators requires cleaning devices to cover a large area and to clean as many angles as possible. Utility Model Content

[0003] In view of the above-mentioned technical problems that the existing trough parabolic concentrator has a large area and needs to be cleaned at as many angles as possible, the present utility model is proposed.

[0004] The utility model aims to provide a rotary lifting structure, which aims to solve the problem of surround cleaning produced by the rotary lifting structure.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a rotary lifting structure, which includes a rotary lifting unit, the rotary lifting unit including a support frame, a side connecting frame, a connecting groove, a motor, a telescopic rod, a rotating cylinder and an elastic component, the support frame is symmetrically arranged, the side connecting frame is symmetrically arranged, the side connecting frame is arranged on one side of the support frame, the connecting groove is movably connected to the support frame and the side connecting frame, the motor is arranged on one side of the support frame, the rotating cylinder is movably connected to the connecting groove, the telescopic rod is movably connected to the rotating cylinder, and the elastic component is arranged on the telescopic rod.

[0006] As a preferred solution of the rotating lifting structure of the present invention, wherein: the support frame includes a first connection hole of the support frame and a second connection hole of the support frame, the first connection hole of the support frame is arranged at the top end of the support frame, the second connection hole of the support frame is arranged on the side of the first connection hole of the support frame, and the second connection hole of the support frame is arranged on the support frame; the side connecting frame includes a first connection hole of the side frame, a second connection hole of the side frame and a third connection hole of the side frame, the first connection hole of the side frame is arranged at the top end of the side connecting frame, the third connection hole of the side frame is arranged at the bottom end of the side connecting frame, the second connection hole of the side frame is arranged between the first connection hole of the side frame and the third connection hole of the side frame, and the second connection hole of the side frame is arranged on the side connecting frame.

[0007] As a preferred solution of the rotating lifting structure of the utility model, wherein: the connecting groove includes an oblique bracket, a first connecting axis, a groove and a slot connecting hole, the oblique bracket is arranged on both sides of the connecting groove, the first connecting axis is arranged at the front and rear ends of the connecting groove, the groove is arranged on the connecting groove, and the slot connecting hole is arranged in the groove.

[0008] As a preferred solution of the rotating lifting structure of the utility model, wherein: the first connecting shaft includes a limit head, the limit head is arranged on the first connecting shaft, the groove includes a water guide slope and a water guide groove, the water guide slope is arranged on the bottom side of the groove, and the water guide groove is arranged on one side of the water guide slope.

[0009] As a preferred solution of the rotary lifting structure of the present invention, the telescopic rod includes a telescopic rod limit platform and a rod head, the telescopic rod limit platform is arranged at the bottom end of the telescopic rod, and the rod head is arranged at the top end of the telescopic rod.

[0010] As a preferred solution of the rotary lifting structure of the present invention, wherein: the telescopic rod limit platform includes a guide curved surface, the guide curved surface is arranged on the telescopic rod limit platform, the rod head includes a rod head connecting platform, the rod head connecting platform is arranged on the rod head, the rod head connecting platform includes a rod head connecting shaft and a rod head connecting hole, the rod head connecting shaft is arranged on the rod head connecting platform, and the rod head connecting hole is arranged on one side of the rod head connecting shaft.

[0011] As a preferred solution of the rotating lifting structure of the utility model, wherein: the rotating cylinder includes a first limit platform, a second limit platform and a convex shaft, the first limit platform is arranged at the top end of the rotating cylinder, the second limit platform is arranged at the bottom end of the rotating cylinder, the second limit platform also includes a guide groove and a water pipe hole, the guide groove is arranged on the second limit platform, the water pipe hole is arranged on one side of the guide groove, and the convex shaft is arranged on the rotating cylinder.

[0012] As a preferred solution of the rotary lifting structure of the utility model, wherein: the elastic component includes a first connecting member, a second connecting member, a right-angle torsion spring and a second connecting shaft, the second connecting shaft is movably connected to the rod head connecting hole, the first connecting member and the second connecting member are movably connected through the second connecting shaft, the first connecting member and the second connecting member are arranged between the rod head connecting platform, the right-angle torsion spring is arranged on the second connecting shaft, the first connecting member also includes a water pipe connecting ring, and the water pipe connecting ring is arranged on the first connecting member.

[0013] The beneficial effects of the rotary lifting structure of the present invention are as follows: a water spray pipe is arranged on the rod head, the telescopic rod is fixedly connected to the telescopic shaft of the reciprocating motor, the telescopic rod rises to the telescopic rod limit platform and contacts the second limit platform, the raised height of the telescopic rod is consistent with the depth of the groove, after the telescopic rod limit platform contacts the second limit platform, the telescopic rod and the rotating cylinder are limited, and the rotating cylinder is rotated and lifted in the slot connecting hole of the connecting slot, at this time the water spray pipe rotates in a circle and rises, thereby cleaning the concentrating photovoltaic panel from multiple angles.

[0014] Another object of the present invention is to provide a trough photovoltaic device, which aims to solve the problem of cleaning the curved surface of the trough photovoltaic device.

[0015] In order to solve the above technical problems, the utility model also provides the following technical solutions: a trough-type photovoltaic device, which includes a rotating and lifting structure; and a photovoltaic unit, wherein the rotating and lifting unit is arranged on the photovoltaic unit, and the photovoltaic unit includes a concentrating photovoltaic panel, a curved support and a heat collecting tube, the concentrating photovoltaic panel and the curved support are threadedly connected, the curved support is fixedly connected to the inclined bracket, and the heat collecting tube is movably connected to the side connecting frame.

[0016] As a preferred solution of the trough-type photovoltaic device of the present invention, wherein: the concentrating photovoltaic panel includes a photovoltaic panel connecting platform, the photovoltaic panel connecting platform is arranged on the concentrating photovoltaic panel, the curved support member includes a support platform, the support platform is arranged on the curved support member, and the photovoltaic panel connecting platform is threadedly connected to the support platform.

[0017] The beneficial effects of the trough-type photovoltaic device of the present invention are as follows: the trough-type solar thermal power generation technology generates electricity by concentrating light through symmetrically arranged concentrating photovoltaic panels to heat the collecting tubes; a rotating lifting water spray pipe is provided on the connecting trough between the symmetrically arranged concentrating photovoltaic panels, which can clean the concentrating photovoltaic panels at multiple angles, avoiding scratches on the surface of the concentrating photovoltaic panels when cleaning with tools; the connecting trough can also collect the cleaned sewage for recycling and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0019] Figure 1 This is a diagram showing the rotating lifting structure in the present utility model.

[0020] Figure 2 This is a structural diagram showing the support frame and side connecting frame in the utility model.

[0021] Figure 3 This is a diagram showing the connecting groove structure in the present utility model.

[0022] Figure 4 This is a diagram showing the structure of the telescopic rod, rotating cylinder and elastic component in the utility model.

[0023] Figure 5 This is a diagram showing the telescopic rod in the present utility model.

[0024] Figure 6 This is a partial enlarged view of the telescopic rod and elastic component in the utility model.

[0025] Figure 7 It is a partial enlarged view of the telescopic rod and the rotating cylinder in the utility model.

[0026] Figure 8 This is a diagram showing the structure of the trough photovoltaic device in this utility model. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it designate a separate or selective embodiment that is mutually exclusive with other embodiments.

[0030] Example 1

[0031] Reference Figure 1 , which is the first embodiment of the present utility model, provides a rotary lifting structure, including a rotary lifting unit 100, the rotary lifting unit 100 includes a support frame 101a, a side connecting frame 101b, a connecting slot 101c, a motor 102a, a telescopic rod 102b, a rotating cylinder 102c and an elastic component 102d.

[0032] Preferably, the rotary lifting unit 100 includes a support frame 101a, a side connecting frame 101b, a connecting slot 101c, a motor 102a, a telescopic rod 102b, a rotating cylinder 102c and an elastic component 102d, the side connecting frame 101b is arranged on one side of the support frame 101a, the connecting slot 101c is arranged on one side of the side connecting frame 101b, the support frame 101a is symmetrically arranged, the side connecting frame 101b is symmetrically arranged, the connecting slot 101c is movably connected to the support frame 101a and the side connecting frame 101b, the motor 102a is arranged on one side of the support frame 101a, and the motor 102d is arranged on one side of the support frame 101a. 2a is arranged on the bottom side of the connecting groove 101c, the motor 102a is a reciprocating motor, the rotating cylinder 102c is movably connected to the connecting groove 101c, and when the rotating cylinder 102c moves up and down in the connecting groove 101c, the rotating cylinder 102c generates a circular rotation, the telescopic rod 102b is slidingly connected to the rotating cylinder 102c, the motor 102a is fixedly connected to the bottom end of the telescopic rod 102b, and the elastic component 102d is arranged on the telescopic rod 102b. After the telescopic rod 102b extends out of the upper end of the rotating cylinder 102c, the elastic component 102d opens and is evenly distributed on the rod head of the telescopic rod 102b.

[0033] During use, the motor 102a is fixedly connected to the bottom end of the telescopic rod 102b. The motor 102a is a reciprocating motor. When the motor 102a is raised, it drives the telescopic rod 102b to move upward. The telescopic rod 102b is slidably connected to the rotating cylinder 102c. When the bottom end of the telescopic rod 102b contacts the bottom end of the rotating cylinder 102c, the elastic component 102d opens and is evenly distributed on the rod head of the telescopic rod 102b. The telescopic rod 102b and the rotating cylinder 102c form a limit. The rotating cylinder 102c is movably connected to the connecting groove 101c. When the rotating cylinder 102c moves up and down in the connecting groove 101c, the rotating cylinder 102c rotates in a circle. The water pipe is provided on the elastic component 102d. Therefore, when the telescopic rod 102b rises, the water pipe on the elastic component 102d generates an upward motion and a rotational motion, which can flush the areas that need to be cleaned from multiple angles.

[0034] Example 2

[0035] Reference Figures 1 to 7 , which is the second embodiment of the present utility model. Different from the previous embodiment, it also includes a support frame 101a including a first connection hole 101a-1 and a second connection hole 101a-2. The first connection hole 101a-1 of the support frame is set at the top of the support frame 101a, and the second connection hole 101a-2 of the support frame is set on one side of the first connection hole 101a-1 of the support frame. The second connection hole 101a-2 of the support frame is set on the support frame 101a. The first connection hole 101a-1 is used to connect with the side connection frame 101b, and the second connection hole 101a-2 of the support frame is used to connect with the connection groove 101c and the side connection frame 101b.

[0036] Preferably, the side connecting frame 101b includes a first connecting hole 101b-1, a second connecting hole 101b-2 and a third connecting hole 101b-3. The first connecting hole 101b-1 is arranged at the top of the side connecting frame 101b, the third connecting hole 101b-3 is arranged at the bottom of the side connecting frame 101b, the second connecting hole 101b-2 is arranged between the first connecting hole 101b-1 and the third connecting hole 101b-3, the second connecting hole 101b-2 is arranged on the side connecting frame 101b, the first connecting hole 101b-1 of the side frame is used to set the heat collecting pipe, the second connecting hole 101b-2 of the side frame is connected to the first connecting hole 101a-1 of the bracket by a screw and nut pair, and the third connecting hole 101b-3 of the side frame is movably connected to the first connecting shaft 101c-2.

[0037] Preferably, the connecting groove 101c includes an inclined bracket 101c-1, a first connecting axis 101c-2, a groove 101c-3 and a groove connecting hole 101c-4, the inclined bracket 101c-1 is arranged on both sides of the connecting groove 101c, the inclined bracket 101c-1 and the curved support member are used to support the concentrating photovoltaic panel, the first connecting axis 101c-2 is arranged at the front and rear ends of the connecting groove 101c, the groove 101c-3 is arranged on the connecting groove 101c, and the groove connecting hole 101c-4 is arranged in the groove 101c-3.

[0038] Furthermore, the first connecting shaft 101c-2 includes a limit head 101c-21, which is arranged on the first connecting shaft 101c-2. The limit head 101c-21 is used to connect the connecting groove 101c to the symmetrically arranged support frame 101a and the side connecting frame 101b. The groove 101c-3 includes a water guide slope 101c-31 and a water guide groove 101c-32. The water guide slope 101c-31 is arranged on the bottom side of the groove 101c-3, so that the cleaned sewage flows along both sides of the water guide slope 101c-31. The water guide groove 101c-32 is arranged on one side of the water guide slope 101c-31 for collecting the cleaned sewage.

[0039] Preferably, the telescopic rod 102b includes a telescopic rod limit platform 102b-1 and a rod head 102b-2. The telescopic rod limit platform 102b-1 is set at the bottom end of the telescopic rod 102b. The telescopic rod limit platform 102b-1 forms a limit with the rotating cylinder 102c when the telescopic rod 102b rises and limits the rising height of the telescopic rod 102b. The rod head 102b-2 is set at the top of the telescopic rod 102b.

[0040] Furthermore, the telescopic rod limit platform 102b-1 includes a guide surface 102b-11, which is provided on the telescopic rod limit platform 102b-1. The guide surface 102b-11 makes it easier for the telescopic rod limit platform 102b-1 to cooperate with the guide groove 102c-21 to limit the position. The rod head 102b-2 includes a rod head connecting platform 102b-21, which is symmetrically provided on the rod head 102b-2. The rod head connecting platform 102b-21 includes a rod head connecting axis.

[0041] 102b-211 and the rod head connecting hole 102b-212, the rod head connecting shaft 102b-211 is set on the rod head connecting platform 102b-21, the rod head connecting hole 102b-212 is set on one side of the rod head connecting shaft 102b-211, and the length of the rod head connecting platform 102b-21 is greater than the inner diameter of the rotating cylinder 102c.

[0042] Preferably, the rotating cylinder 102c includes a first limiting platform 102c-1, a second limiting platform 102c-2 and a convex shaft 102c-3, the first limiting platform 102c-1 is set at the top of the rotating cylinder 102c, and the first limiting platform 102c-1 is preferably provided with a limiting groove that cooperates with the rod head connecting platform 102b-21, and the second limiting platform 102c-2 is set at the bottom of the rotating cylinder 102c, and the second limiting platform 102c-2 also includes a guide Groove 102c-21 and water pipe hole 102c-22, the guide groove 102c-21 is set on the second limit platform 102c-2, the water pipe hole 102c-22 is set on one side of the guide groove 102c-21, the convex shaft 102c-3 is set on the rotating cylinder 102c, and when the convex shaft 102c-3 contacts the internal thread groove of the groove connecting hole 101c-4, the rotating cylinder 102c rotates during the lifting and lowering process in the groove connecting hole 101c-4.

[0043] Preferably, the elastic component 102d includes a first connecting member 102d-1, a second connecting member 102d-2, a right-angle torsion spring 102d-3 and a second connecting shaft 102d-4, the second connecting shaft 102d-4 is movably connected to the rod head connecting hole 102b-212, the first connecting member 102d-1 and the second connecting member 102d-2 are movably connected through the second connecting shaft 102d-4, and the first connecting member 102d-1 and the second connecting member 102d-2 are arranged on the rod head connecting platform 1 02b-21, the right-angle torsion spring 102d-3 is arranged on the second connecting shaft 102d-4. When the rod head connecting platform 102b-21 rises and separates from the first limit platform 102c-1, the first connecting member 102d-1 and the second connecting member 102d-2 are acted upon by the right-angle torsion spring 102d-3 to be in a right-angle limit state. The first connecting member 102d-1 also includes a water pipe connecting ring 102d-11, which is arranged on the first connecting member 102d-1.

[0044] When in use, the motor 102a is fixedly connected to the bottom end of the telescopic rod 102b. When the motor 102a rises upward, the rod head connecting platform 102b-21 rises and disengages from the first limit platform 102c-1. The first connecting member 102d-1 and the second connecting member 102d-2 are in a right-angle limit state under the action of the right-angle torsion spring 102d-3. When the telescopic rod 102b continues to rise until the telescopic rod limit platform 102b-1 and the guide groove 102c-21 on the second limit platform 102c-2 form a limit state, at this time the rod head 102b-2 extends out of the groove 101c-3, and when the telescopic rod 102b rises again, the convex shaft 102c-3 and the second limit platform 102c-2 are in a limit state. When the threaded groove of the slot connecting hole 101c-4 contacts, the rotating cylinder 102c rotates during the rising process in the slot connecting hole 101c-4 until the second limit platform 102c-2 contacts the bottom side of the connecting slot 101c, and the entire rising process is completed. The water pipe arranged on the water pipe connecting ring 102d-11 can fully flush the photovoltaic panel during the entire rising process. When descending, the length of the rod head connecting platform 102b-21 is greater than the inner diameter of the rotating cylinder 102c. The first limit platform 102c-1 is preferably provided with a limit groove that cooperates with the rod head connecting platform 102b-21, so that the telescopic rod 102b and the rotating cylinder 102c are limited again.

[0045] Example 3

[0046] Reference Figures 1 to 4 This is the third embodiment of the present invention, which further provides a trough photovoltaic device. It includes a photovoltaic unit 200, a rotating lifting unit 100 disposed on the photovoltaic unit 200, and the photovoltaic unit 200 includes a concentrating photovoltaic panel 201, a curved support member 202, and a heat collecting tube 203. The concentrating photovoltaic panel 201 has a concentrating curved surface. The concentrating photovoltaic panel 201 and the curved support member 202 are threadedly connected. The curved support member 202 is fixedly connected to the inclined support 101c-1. The heat collecting tube 203 is connected to the side connecting frame 101b via a screw and nut pair.

[0047] Preferably, the concentrating photovoltaic panel 201 includes a photovoltaic panel connecting platform 201a, which is arranged on the concentrating photovoltaic panel 201, and the curved support member 202 includes a support platform 202a, which is arranged on the curved support member 202, and the photovoltaic panel connecting platform 201a is threadedly connected to the support platform 202a.

[0048] When in use, the concentrating photovoltaic panel 201 is a concentrating curved surface and is arranged symmetrically with the connecting groove 101c as an axis. The concentrating photovoltaic panel 201 concentrates sunlight and irradiates it on the heat collecting tube 203, so that the heat collecting tube 203 is heated to generate electricity. The stains on the concentrating photovoltaic panel 201 have an impact on the concentrating effect. Since the concentrating photovoltaic panel 201 is a concentrating curved surface, it is more environmentally friendly to use water pressure washing. The motor 102a is fixedly connected to the bottom end of the telescopic rod 102b. When the motor 102a rises upward, the rod head is connected to the platform. After 102b-21 rises and breaks away from the first limit platform 102c-1, the first connecting member 102d-1 and the second connecting member 102d-2 are in a right-angle limit state under the action of the right-angle torsion spring 102d-3. When the telescopic rod 102b continues to rise until the telescopic rod limit platform 102b-1 and the guide groove 102c-21 on the second limit platform 102c-2 form a limit state, at this time the rod head 102b-2 extends out of the groove 101c-3, and when the telescopic rod 102b rises again, When the convex shaft 102c-3 contacts the inner thread groove of the groove connecting hole 101c-4, the rotating cylinder 102c rotates in the groove connecting hole 101c-4 during the rising process until the second limit platform 102c-2 contacts the bottom side of the connecting groove 101c, and the whole rising process is completed. The water pipe provided on the water pipe connecting ring 102d-11 can fully flush the photovoltaic panel during the whole rising process. The water guide slope 101c-31 is provided on the bottom side of the groove 101c-3 so that after cleaning, the photovoltaic panel can be flushed. The sewage flows along both sides of the water guiding slope 101c-31. The water guiding groove 101c-32 is set on one side of the water guiding slope 101c-31 to collect the cleaned sewage, which can be recycled after purification. When descending, the length of the rod head connecting platform 102b-21 is greater than the inner diameter of the rotating cylinder 102c. The first limiting platform 102c-1 is preferably provided with a limiting groove that cooperates with the rod head connecting platform 102b-21, so that the telescopic rod 102b and the rotating cylinder 102c form a limit again.

[0049] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete elements can be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0050] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0051] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A rotary lifting structure, characterized in that: include, A rotating lifting unit (100) comprises a support frame (101a), a side connecting frame (101b), a connecting slot (101c), a motor (102a), a telescopic rod (102b), a rotating cylinder (102c) and an elastic component (102d); the support frame (101a) is symmetrically arranged; the side connecting frame (101b) is symmetrically arranged; the side connecting frame (101b) is arranged on one side of the support frame (101a); the connecting slot (101c) is movably connected to the support frame (101a) and the side connecting frame (101b); the motor (102a) is arranged on one side of the support frame (101a); the rotating cylinder (102c) is movably connected to the connecting slot (101c); the telescopic rod (102b) is movably connected to the rotating cylinder (102c); and the elastic component (102d) is arranged on the telescopic rod (102b).

2. The rotary lifting structure according to claim 1, wherein: The support frame (101a) comprises a first support connection hole (101a-1) and a second support connection hole (101a-2), wherein the first support connection hole (101a-1) is arranged at the top of the support frame (101a), the second support connection hole (101a-2) is arranged on one side of the first support connection hole (101a-1), and the second support connection hole (101a-2) is arranged on the support frame (101a). The side connecting frame (101b) comprises a first side frame connecting hole (101b-1), a second side frame connecting hole (101b-2) and a third side frame connecting hole (101b-3); the first side frame connecting hole (101b-1) is arranged at the top end of the side connecting frame (101b); the third side frame connecting hole (101b-3) is arranged at the bottom end of the side connecting frame (101b); the second side frame connecting hole (101b-2) is arranged between the first side frame connecting hole (101b-1) and the third side frame connecting hole (101b-3); and the second side frame connecting hole (101b-2) is arranged on the side connecting frame (101b).

3. The rotary lifting structure according to claim 1 or 2, characterized in that: The connecting groove (101c) comprises an oblique bracket (101c-1), a first connecting shaft (101c-2), a groove (101c-3) and a groove connecting hole (101c-4); the oblique bracket (101c-1) is arranged on both sides of the connecting groove (101c); the first connecting shaft (101c-2) is arranged at the front and rear ends of the connecting groove (101c); the groove (101c-3) is arranged on the connecting groove (101c); and the groove connecting hole (101c-4) is arranged in the groove (101c-3).

4. The rotary lifting structure according to claim 3, wherein: The first connecting shaft (101c-2) includes a limiting head (101c-21), and the limiting head (101c-21) is arranged on the first connecting shaft (101c-2). The groove (101c-3) comprises a water guiding slope (101c-31) and a water guiding groove (101c-32), wherein the water guiding slope (101c-31) is arranged on the bottom side of the groove (101c-3), and the water guiding groove (101c-32) is arranged on one side of the water guiding slope (101c-31).

5. The rotary lifting structure according to claim 1 or 4, characterized in that: The telescopic rod (102b) comprises a telescopic rod limiting platform (102b-1) and a rod head (102b-2); the telescopic rod limiting platform (102b-1) is arranged at the bottom end of the telescopic rod (102b); and the rod head (102b-2) is arranged at the top end of the telescopic rod (102b).

6. The rotary lifting structure according to claim 5, characterized in that: The telescopic rod limiting platform (102b-1) comprises a guide curved surface (102b-11), and the guide curved surface (102b-11) is arranged on the telescopic rod limiting platform (102b-1). The club head (102b-2) comprises a club head connecting platform (102b-21), the club head connecting platform (102b-21) is arranged on the club head (102b-2), the club head connecting platform (102b-21) comprises a club head connecting shaft (102b-211) and a club head connecting hole (102b-212), the club head connecting shaft (102b-211) is arranged on the club head connecting platform (102b-21), and the club head connecting hole (102b-212) is arranged on one side of the club head connecting shaft (102b-211).

7. The rotary lifting structure according to claim 1 or 6, characterized in that: The rotating cylinder (102c) comprises a first limiting platform (102c-1), a second limiting platform (102c-2) and a convex shaft (102c-3); the first limiting platform (102c-1) is arranged at the top end of the rotating cylinder (102c); the second limiting platform (102c-2) is arranged at the bottom end of the rotating cylinder (102c); the second limiting platform (102c-2) further comprises a guide groove (102c-21) and a water pipe hole (102c-22); the guide groove (102c-21) is arranged on the second limiting platform (102c-2); the water pipe hole (102c-22) is arranged on one side of the guide groove (102c-21); and the convex shaft (102c-3) is arranged on the rotating cylinder (102c).

8. The rotary lifting structure according to claim 7, wherein: The elastic component (102d) includes a first connecting member (102d-1), a second connecting member (102d-2), a right-angle torsion spring (102d-3) and a second connecting shaft (102d-4); the second connecting shaft (102d-4) is movably connected to the rod head connecting hole (102b-212); the first connecting member (102d-1) and the second connecting member (102d-2) are movably connected via the second connecting shaft (102d-4); the first connecting member (102d-1) and the second connecting member (102d-2) are arranged between the rod head connecting platform (102b-21); the right-angle torsion spring (102d-3) is arranged on the second connecting shaft (102d-4); the first connecting member (102d-1) further includes a water pipe connecting ring (102d-11); and the water pipe connecting ring (102d-11) is arranged on the first connecting member (102d-1).

9. A trough photovoltaic device, characterized in that: comprising the rotary lifting structure according to any one of claims 1 to 8; and A photovoltaic unit (200), wherein the rotating lifting unit (100) is arranged on the photovoltaic unit (200), and the photovoltaic unit (200) comprises a concentrating photovoltaic panel (201), a curved support member (202), and a heat collecting pipe (203), wherein the concentrating photovoltaic panel (201) and the curved support member (202) are threadedly connected, the curved support member (202) is fixedly connected to an inclined support (101c-1), and the heat collecting pipe (203) is movably connected to the side connecting frame (101b).

10. The trough photovoltaic device according to claim 9, wherein: The concentrating photovoltaic panel (201) comprises a photovoltaic panel connection platform (201a), the photovoltaic panel connection platform (201a) is arranged on the concentrating photovoltaic panel (201), the curved support member (202) comprises a support platform (202a), the support platform (202a) is arranged on the curved support member (202), and the photovoltaic panel connection platform (201a) is threadedly connected to the support platform (202a).

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