Photovoltaic support driving push rod

Abstract

The utility model relates to a photovoltaic support driving push rod. The device comprises an outer pipe, wherein the outer pipe is provided with a radial through hole; the transmission assembly comprises supporting assemblies installed at the two ends of the radial through hole, a transmission shaft which penetrates through the radial through hole in the radial direction and can rotate through the supporting assemblies, and a driving gear arranged on the transmission shaft in a sleeving mode. The transmission assembly further comprises a support installed in the outer pipe, and the support is used for supporting the supporting assembly and the driving gear. The execution assembly comprises an inner pipe arranged in the outer pipe in a sleeved mode, a lead screw arranged in the inner pipe in a sleeved mode, a transmission gear installed at one end of the lead screw and meshed with the driving gear, and a nut connected to the lead screw in a sliding mode and installed in the inner pipe. According to the utility model, the assembly process of the photovoltaic support driving push rod is simplified, the production efficiency is improved, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation new energy, in particular to a photovoltaic bracket driving push rod. Background Art

[0002] The push rods of existing adjustable photovoltaic brackets are usually composed of inner and outer tubes, screws, trapezoidal nuts, gear boxes, transmission shafts, bevel gears and other minor parts. However, due to the wide variety of parts, the assembly process becomes complicated, affecting production efficiency and increasing costs. In addition, ensuring geometric tolerances and concentricity has also become a difficult point in processing, and the difficulty of processing parts will also affect the cost. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the problems of complex push rod structure and high cost of the photovoltaic support in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a photovoltaic bracket driving push rod, comprising:

[0005] an outer tube, the outer tube having a radial through hole;

[0006] A transmission assembly, comprising support assemblies installed at both ends of the radial through hole, a transmission shaft radially passing through the radial through hole and rotatable by the support assembly, and a driving gear sleeved on the transmission shaft; the transmission assembly also includes a bracket installed in the outer tube, the bracket is used to support the support assembly and the driving gear;

[0007] The actuator assembly includes an inner tube sleeved in the outer tube, a screw rod sleeved in the inner tube, a transmission gear installed at one end of the screw rod and meshing with the driving gear, and a nut slidably connected to the screw rod and installed in the inner tube.

[0008] In one embodiment of the utility model, the support assembly includes a support sleeve, a flat washer and a sleeve retaining spring which are sequentially sleeved on the transmission shaft and abut against each other in sequence, the support sleeve includes a support section which is in contact with the surface of the outer tube and an extension section which extends into the radial through hole, a sealing groove is formed between the support section and the extension section, and a sealing ring which is sleeved on the transmission shaft is installed in the sealing groove.

[0009] In one embodiment of the utility model, the bracket is U-shaped, and the radial ends of the bracket are against the inner wall of the outer tube. The bracket axially extends with two support holes that avoid the transmission shaft and the extension section, and the driving gear portion is inserted into one of the support holes.

[0010] In one embodiment of the utility model, a bearing seat is installed in the outer tube, bearing seat fixing springs are installed at both ends of the bearing seat, the screw rod is rotatably connected to the bearing seat, and a bearing is installed in the bearing seat.

[0011] In an implementation manner of the present invention, the number of the bearings is two pairs.

[0012] In an implementation manner of the utility model, the screw rod is sequentially sleeved with a hexagonal nut, an intermediate sleeve and a limiting sleeve, and the hexagonal nut and the limiting sleeve are respectively against two ends of the bearing.

[0013] In one embodiment of the present invention, the lead screw is a trapezoidal lead screw, and the nut is a trapezoidal nut matched with the trapezoidal lead screw.

[0014] In one embodiment of the utility model, a flat washer and a fastening nut abutting against the flat washer are installed at the stepped shaft at the tail of the screw rod, and a gear fixing spring is clamped on the screw rod head and the transmission gear is fixed by the gear fixing spring.

[0015] In an implementation manner of the present utility model, the driving gear and the transmission shaft are connected via a flat key, and both the driving gear and the transmission gear are bevel gears.

[0016] In one embodiment of the utility model, the inner tube is provided with a guide sleeve near the tail of the screw rod, the inner wall of the outer tube is provided with a guide sleeve fixing spring which abuts against one end of the guide sleeve, the inner tube is provided with a skeleton oil seal at the other end of the guide sleeve, and the outer tube is provided with a stop sleeve which abuts against the skeleton oil seal.

[0017] The above technical solution of the utility model has the following advantages compared with the prior art:

[0018] The photovoltaic bracket driving push rod described in the utility model has a compact structure. The parts currently installed in the gear box are directly installed inside the outer tube, so that the outer tube, transmission shaft, gears and screw rod form an integral structure. This design simplifies the assembly process, improves production efficiency, and reduces costs. There is no need to consider the concentricity between the gear box, bearing seat and outer tube, which reduces the difficulty of processing parts and further reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0020] Figure 1 It is a schematic cross-sectional view of the overall structure of a driving push rod of a photovoltaic support of the utility model.

[0021] Figure 2 yes Figure 1 A local enlarged schematic diagram of point A in the middle.

[0022] Figure 3 yes Figure 1 A local enlarged schematic diagram of point B in the middle.

[0023] Figure 4 It is a structural schematic diagram of the outer tube of the utility model.

[0024] Figure 5 It is a structural schematic diagram of the supporting shaft sleeve of the utility model.

[0025] Figure 6 It is a structural schematic diagram of the support of the utility model.

[0026] Description of the Figures in the Specification:

[0027] 1. Outer tube; 11. Radial through hole; 12. Bearing seat; 13. Bearing seat fixing spring; 14. Bearing;

[0028] 2. Transmission assembly; 21. Support assembly; 211. Support sleeve; 211a. Support section; 211b. Insertion section; 211c. Sealing groove; 212. Flat washer; 213. Sleeve retaining ring; 214. Sealing ring; 22. Transmission shaft; 23. Driving gear; 24. Bracket; 241. Support hole;

[0029] 3. Actuator assembly; 31. Inner tube; 311. Guide sleeve; 312. Guide sleeve fixing spring; 313. Framework oil seal; 314. Stop sleeve; 32. Screw rod; 321. Hexagonal nut; 322. Intermediate sleeve; 323. Limit sleeve; 324. Flat washer; 325. Fastening nut; 326. Gear fixing spring; 33. Transmission gear; 34. Nut. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0031] In the present invention, if directions (up, down, left, right, front and back) are described, it is only for the convenience of describing the technical solution of the present invention, and does not indicate or imply that the technical features referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0032] In the present utility model, "several" means one or more, "multiple" means more than two, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself. In the description of the present utility model, if there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected or electrically connected or able to communicate with each other; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0034] Reference Figure 1 , Figure 2 , Figure 3 As shown, a photovoltaic support driving push rod of the utility model comprises:

[0035] An outer tube 1, wherein the outer tube 1 has a radial through hole 11;

[0036] The transmission assembly 2 comprises a support assembly 21 installed at both ends of the radial through hole 11, a transmission shaft 22 radially passing through the radial through hole 11 and rotatable by the support assembly 21, and a driving gear 23 sleeved on the transmission shaft 22; the transmission assembly 2 also comprises a bracket 24 installed in the outer tube 1, and the bracket 24 is used to support the support assembly 21 and the driving gear 23;

[0037] The actuator assembly 3 includes an inner tube 31 sleeved in the outer tube 1, a screw rod 32 sleeved in the inner tube 31, a transmission gear 33 installed at one end of the screw rod 32 and meshing with the driving gear 23, and a nut 34 slidably connected to the screw rod 32 and installed in the inner tube 31.

[0038] In some embodiments, reference Figure 1 , Figure 5As shown, the support assembly 21 includes a support sleeve 211, a flat washer 212 and a sleeve retaining ring 213 which are sequentially sleeved on the transmission shaft 22 and abut against each other in sequence. The support sleeve 211 includes a support section 211a which is in contact with the surface of the outer tube 1 and an insertion section 211b which extends into the radial through hole 11. A sealing groove 211c is formed between the support section 211a and the insertion section 211b. A sealing ring 214 which is sleeved on the transmission shaft 22 is installed in the sealing groove 211c.

[0039] Reference Figure 6 As shown, the bracket 24 is U-shaped, and the radial ends of the bracket 24 are against the inner wall of the outer tube 1. The bracket 24 axially extends to have two support holes 241 that avoid the transmission shaft 22 and the extension section 211b, and the driving gear 23 is partially inserted into one of the support holes 241.

[0040] In some embodiments, reference Figure 1 As shown, a bearing seat 12 is installed in the outer tube 1, and bearing seat fixing springs 13 are installed at both ends of the bearing seat 12. The screw rod 32 is rotatably connected to the bearing seat 12, and a bearing 14 is installed in the bearing seat 12. The bearings 14 are in two pairs.

[0041] Please continue to refer to Figure 1 As shown, the screw rod 32 is sleeved with a hexagonal nut 321, an intermediate sleeve 322 and a limiting sleeve 323 in sequence, and the hexagonal nut 321 and the limiting sleeve 323 are respectively against the two ends of the bearing 14.

[0042] In some embodiments, the screw rod 32 is a trapezoidal screw rod, and the nut 34 is a trapezoidal nut that cooperates with the trapezoidal screw rod.

[0043] Reference Figure 3 As shown, a flat washer 324 and a fastening nut 325 abutting against the flat washer 324 are installed at the stepped shaft at the tail of the screw rod 32, a gear fixing retaining spring 326 is clamped on the head of the screw rod 32 and the transmission gear 33 is fixed by the gear fixing retaining spring 326; the driving gear 23 and the transmission shaft 22 are connected by a flat key, and the driving gear 23 and the transmission gear 33 are both bevel gears.

[0044] Reference Figure 3 As shown, the inner tube 31 is provided with a guide sleeve 311 near the tail end of the screw rod 32, the inner wall of the outer tube 1 is provided with a guide sleeve fixing spring 312 which abuts against one end of the guide sleeve 311, the inner tube 31 is installed with a skeleton oil seal 313 at the other end of the guide sleeve 311, and the outer tube 1 is provided with a retaining sleeve 314 which abuts against the skeleton oil seal 313.

[0045] When installing the utility model, first screw the nut 34 into the screw rod 32, install the flat washer 324 at the tail of the screw rod 32, then screw the fastening nut 325, and then screw the inner tube 31 into the nut 34; install the two pairs of bearings 14 into the bearing seat 12, the intermediate sleeve 322 is sleeved on the screw rod 32, and then the limiting sleeve 323 is sleeved; a bearing seat fixing spring 13 is sleeved into the outer tube 1, the screw rod 32 assembly is sleeved into the outer tube 1, the bearing seat 12 is sleeved into the screw rod 32 assembly, the hexagonal nut 321 is screwed in, the transmission gear 33 is sleeved and the gear is clamped The wheel fixes the retaining ring 326, and then inserts another bearing seat fixing retaining ring 13; insert the driving gear 23 into the bracket 24 first, and then into the outer tube 1; install the flat key into the flat key groove of the transmission shaft 22, and then insert the transmission shaft 22 into the driving gear 23, and then insert the supporting sleeve 211, the flat washer 212 and the sleeve retaining ring 213 on both sides of the transmission shaft 22 in sequence; at the other end of the outer tube 1, insert the guide sleeve fixing retaining ring 312, insert the guide sleeve 311, and then install the skeleton oil seal 313, and finally screw in the front end stop sleeve 314.

[0046] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A photovoltaic support driving push rod, characterized in that: include: An outer tube (1), the outer tube (1) having a radial through hole (11); A transmission assembly (2), comprising support assemblies (21) mounted at both ends of the radial through hole (11), a transmission shaft (22) radially passing through the radial through hole (11) and rotatable by the support assembly (21), and a driving gear (23) sleeved on the transmission shaft (22); the transmission assembly (2) further comprises a bracket (24) mounted in the outer tube (1), the bracket (24) being used to support the support assembly (21) and the driving gear (23); The actuator assembly (3) comprises an inner tube (31) sleeved in the outer tube (1), a screw rod (32) sleeved in the inner tube (31), a transmission gear (33) mounted on one end of the screw rod (32) and meshing with the driving gear (23), and a nut (34) slidably connected to the screw rod (32) and mounted on the inner tube (31).

2. A photovoltaic support driving push rod according to claim 1, characterized in that: The support assembly (21) comprises a support sleeve (211), a flat washer (212) and a sleeve retaining ring (213) which are sequentially sleeved on the transmission shaft (22) and abut against each other in sequence; the support sleeve (211) comprises a support section (211a) which is in contact with the surface of the outer tube (1) and an insertion section (211b) which extends into the radial through hole (11); a sealing groove (211c) is formed between the support section (211a) and the insertion section (211b); a sealing ring (214) sleeved on the transmission shaft (22) is installed in the sealing groove (211c).

3. A photovoltaic support driving push rod according to claim 2, characterized in that: The bracket (24) is U-shaped, with radial ends of the bracket (24) abutting against the inner wall of the outer tube (1), and the bracket (24) extending axially to have two support hole portions (241) that avoid the transmission shaft (22) and the extension section (211b), and the driving gear (23) is partially inserted into one of the support hole portions (241).

4. The photovoltaic support driving push rod according to claim 1, characterized in that: A bearing seat (12) is installed in the outer tube (1), bearing seat fixing springs (13) are installed at both ends of the bearing seat (12), the screw rod (32) is rotatably connected to the bearing seat (12), and a bearing (14) is installed in the bearing seat (12).

5. A photovoltaic support driving push rod according to claim 4, characterized in that: The number of the bearings (14) is two pairs.

6. A photovoltaic support driving push rod according to claim 4, characterized in that: The screw rod (32) is sleeved with a hexagonal nut (321), an intermediate shaft sleeve (322) and a limiting shaft sleeve (323) in sequence, and the hexagonal nut (321) and the limiting shaft sleeve (323) are respectively abutted against two ends of the bearing (14).

7. The photovoltaic support driving push rod according to claim 1, characterized in that: The screw rod (32) is a trapezoidal screw rod, and the nut (34) is a trapezoidal nut that matches the trapezoidal screw rod.

8. The photovoltaic support driving push rod according to claim 1, characterized in that: A flat washer (324) and a fastening nut (325) abutting against the flat washer (324) are installed at the stepped shaft at the tail of the screw rod (32), and a gear fixing retaining spring (326) is clamped at the head of the screw rod (32) and the transmission gear (33) is fixed by the gear fixing retaining spring (326).

9. The photovoltaic support driving push rod according to claim 1, characterized in that: The driving gear (23) and the transmission shaft (22) are connected via a flat key, and both the driving gear (23) and the transmission gear (33) are bevel gears.

10. The photovoltaic support driving push rod according to claim 1, characterized in that: The inner tube (31) is sleeved with a guide sleeve (311) near the tail of the screw rod (32); the inner wall of the outer tube (1) is provided with a guide sleeve fixing spring (312) abutting against one end of the guide sleeve (311); the inner tube (31) is provided with a skeleton oil seal (313) at the other end of the guide sleeve (311); and the outer tube (1) is sleeved with a stopper sleeve (314) abutting against the skeleton oil seal (313).

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