Driving push rod for photo-thermal support

Abstract

The utility model relates to a driving push rod for a photo-thermal support. The device comprises an outer pipe, the driving assembly comprises a gear box connected with the end of the outer pipe, and the gear box is provided with a driving motor, a duplex gear meshed with the output end of the driving motor, a parallel gear meshed with the duplex gear, a worm connected with the parallel gear and a worm gear meshed with the worm; the execution assembly comprises an inner pipe connected into the outer pipe in a sliding mode, a lead screw arranged in the inner pipe in a sleeved mode and connected with the worm gear, and a nut connected to the lead screw in a sliding mode and connected with the inner pipe. According to the utility model, the risk that a single key component goes wrong to influence the whole product is reduced, the fault occurrence rate is reduced, the product stability is improved, and the stability and reliability of the whole system are greatly improved through the efficient sealing design.

Description

Technical Field

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

[0002] At present, the driving push rod of the general electrical linkage solar thermal support is composed of multiple key components. Among them, if the design of the driving structure is unreasonable, it will lead to the stability of the solar thermal push rod, frequent failures, and poor positioning accuracy, resulting in a decline in product competitiveness. In addition, the imperfection of the sealing component may cause the grease to be consumed too quickly, thereby increasing product costs, and even causing water to enter the push rod, which may directly lead to the scrapping of the push rod in severe cases. Summary of the invention

[0003] To this end, the utility model provides a driving push rod for a photothermal support, which reduces the failure rate, improves product stability, and thus reduces costs.

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

[0005] External pipe;

[0006] A driving assembly, comprising a gear box connected to the end of the outer tube, the gear box being respectively equipped with a driving motor, a duplex tooth meshing with the output end of the driving motor, a parallel gear meshing with the duplex tooth, a worm connected to the parallel gear, and a worm wheel meshing with the worm;

[0007] The actuator assembly comprises an inner tube slidably connected to the outer tube, a lead screw sleeved in the inner tube and connected to the worm gear, and a nut slidably connected to the lead screw and connected to the inner tube.

[0008] In one embodiment of the utility model, a rear end cover is installed at the open end of the gear box, a bearing sleeve mounted on the screw step is installed inside the rear end cover, a support bearing is installed next to the bearing sleeve, a front end sealing ring is installed between the bearing sleeve and the support bearing, and the first guide bearing and the second guide bearing are respectively installed between the two sides of the bearing sleeve and the rear end cover.

[0009] In one embodiment of the utility model, a first sealing ring and a waterproof sheet are respectively installed at two matching steps between the rear end cover and the open end of the gear box, and a second sealing ring and a waterproof sealing ring are respectively installed between the waterproof sheet and the rear end cover and the gear box.

[0010] In one embodiment of the utility model, the screw sleeve is provided with a bearing spacer sleeve located between one end of the worm gear and the support bearing, the screw is provided with a screw sleeve near the other end of the worm gear, and a plane ball bearing is provided between the screw sleeve and the gear box.

[0011] In one embodiment of the utility model, a first deep groove ball bearing and a second deep groove ball bearing are respectively installed between the front and rear steps on the worm and the gear box, a third deep groove ball bearing is installed at both ends of the core shaft of the double-toothed gear, and a gear box oil seal is installed between the worm near the parallel gear and the gear box through a positioning nut.

[0012] In one implementation of the utility model, an anti-sway ring gasket is installed at the front end of the lead screw through a tightening nut.

[0013] In one embodiment of the utility model, a guide sleeve is installed between the rear end of the inner tube and the outer tube by installing a retaining ring, a front end cover is installed at the end of the outer tube away from the rear end cover, a waterproof gasket is installed between the outer tube and the front end cover, a guide sleeve and an oil-free bearing pressed on the guide sleeve are installed between the front end of the inner tube and the outer tube, and a retaining ring, a first oil seal, a wear-resistant ring and a second oil seal are installed on the front end cover in sequence along the direction away from the guide sleeve.

[0014] In one embodiment of the utility model, ear seats are extended from both radial ends of the outer tube, and self-lubricating bearings are sleeved in the ear seats.

[0015] In one embodiment of the utility model, the front end of the inner tube is connected to a front puller via threads.

[0016] In one embodiment of the present utility model, the outer tube and the gear box are respectively installed with air-permeable valves, and the outer tube is also installed with a plug.

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

[0018] The driving push rod for the photothermal support described in the utility model adopts a driving motor, duplex teeth, parallel gears and a worm gear structure, and a modular setting, which reduces the risk of problems with a single key component affecting the entire product, reduces the failure rate, and improves product stability. The overall stability and reliability of the system are greatly improved through its efficient sealing design. 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 front structural schematic diagram of the utility model.

[0021] Figure 2 yes Figure 1 Schematic cross-sectional view along the DD direction.

[0022] Figure 3 yes Figure 2 A local enlarged schematic diagram of point A in the middle.

[0023] Figure 4 yes Figure 2 A local enlarged schematic diagram of point B in the middle.

[0024] Figure 5 yes Figure 1 Schematic cross-sectional view along the EE direction.

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

[0026] Figure 7 It is a schematic diagram of the appearance structure of the utility model.

[0027] Description of the Figures in the Specification:

[0028] 1. Anti-sway ring gasket; 2. Tightening nut; 3. Lead screw; 4. Inner tube; 5. Guide sleeve; 6. Install the retaining ring; 7. Outer tube; 8. First guide bearing; 9. Bearing sleeve; 10. Second guide bearing;

[0029] 11. Front sealing ring; 12. Support bearing; 13. Rear cover; 14. First sealing ring; 15. Second sealing ring; 16. Waterproof sealing ring; 17. Waterproof sheet; 18. Bearing spacer; 19. Worm gear; 20. Plane ball bearing;

[0030] 21. Screw sleeve; 22. Hexagon screw; 23. Reverse thread nut; 24. Gear box; 25. First deep groove ball bearing; 26. Worm; 27. Second deep groove ball bearing; 28. Gear box oil seal; 29. ​​Positioning nut; 30. First retaining spring;

[0031] 31. Second retaining spring; 32. Second flat key; 33. Parallel gear; 34. Copper sleeve; 35. Third deep groove ball bearing; 36. Double gear; 37. Mandrel; 38. Third retaining spring; 39. Drive motor; 40. Motor cover;

[0032] 41. Breathing valve; 42. Plug; 43. Ear seat; 44. Self-lubricating bearing; 45. Guide sleeve; 46. Oil-free bearing; 47. Retaining ring; 48. First oil seal; 49. Wear-resistant ring; 51. Second oil seal; 52. Front end cover; 53. Waterproof gasket; 54. Front pull head. DETAILED DESCRIPTION

[0033] 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.

[0034] 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.

[0035] 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.

[0036] 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.

[0037] Reference Figures 1 to 7 As shown, the utility model is a driving push rod for a photothermal support, comprising:

[0038] Outer tube 7;

[0039] A driving assembly, comprising a gear box 24 connected to the end of the outer tube 7, wherein the gear box 24 is respectively equipped with a driving motor 39, a double-linked tooth 36 meshing with the output end of the driving motor 39, a parallel gear 33 meshing with the double-linked tooth 36, a worm 26 connected to the parallel gear 33, and a worm wheel 19 meshing with the worm 26;

[0040] The actuator assembly includes an inner tube 4 slidably connected to the outer tube 7 , a lead screw 3 sleeved in the inner tube 4 and connected to the worm gear 19 , and a nut slidably connected to the lead screw 3 and connected to the inner tube 4 .

[0041] Specifically, a rear end cover 13 is installed at the open end of the gear box 24, and a bearing sleeve 9 is installed inside the rear end cover 13 and sleeved on the step of the screw 3. A support bearing 12 is installed next to the bearing sleeve 9, and a front end sealing ring 11 is installed between the bearing sleeve 9 and the support bearing 12. The first guide bearing 8 and the second guide bearing 10 are installed between the two sides of the bearing sleeve 9 and the rear end cover 13.

[0042] Specifically, a first sealing ring 14 and a waterproof sheet 17 are respectively installed at two matching steps between the rear end cover 13 and the open end of the gear box 24, and a second sealing ring 15 and a waterproof sealing ring 16 are respectively installed between the waterproof sheet 17 and the rear end cover 13 and the gear box 24.

[0043] Specifically, the screw sleeve is provided with a bearing spacer sleeve 18 located between one end of the worm wheel 19 and the support bearing 12 , the screw is provided with a screw shaft sleeve near the other end of the worm wheel 19 , and a plane ball bearing 20 is provided between the screw shaft sleeve and the gear box 24 .

[0044] Specifically, a first deep groove ball bearing 25 and a second deep groove ball bearing 27 are installed between the front and rear steps on the worm 26 and the gear box 24 respectively, a third deep groove ball bearing 35 is installed at both ends of the core shaft 37 of the double tooth 36, and a gear box oil seal 28 is installed between the worm 26 near the parallel gear 33 and the gear box 24 through a positioning nut 29.

[0045] Specifically, an anti-sway ring gasket 1 is installed at the front end of the lead screw 3 through a tightening nut 2.

[0046] Specifically, a guide sleeve 5 is installed between the rear end of the inner tube 4 and the outer tube 7 by installing a retaining ring 6, a front end cover 52 is installed at the front end of the outer tube, a waterproof gasket 53 is installed between the outer tube 7 and the front end cover 52, a guide sleeve 45 and an oil-free bearing 46 pressed on the guide sleeve 45 are installed between the front end of the inner tube 4 and the outer tube 7, and a retaining ring 47, a first oil seal 48, a wear-resistant ring 49 and a second oil seal 51 are installed on the front end cover 52 in sequence along the direction away from the guide sleeve 45.

[0047] Specifically, ear seats 43 are extended from both radial ends of the outer tube 7 , and self-lubricating bearings 44 are sleeved in the ear seats 43 .

[0048] Specifically, the front end of the inner tube 4 is connected with a front puller 54 through threads.

[0049] Specifically, the outer tube 7 and the gear box 24 are respectively installed with a breathable valve 41 , and the outer tube 7 is also installed with a plug 42 .

[0050] The use of multiple sealing rings (including the front sealing ring 11, the first sealing ring 14, the second sealing ring 15 and the waterproof sealing ring 16) ensures that the internal mechanical parts of the driving push rod are protected from the influence of the external environment, especially from the intrusion of moisture and other corrosive substances. The internal parts are less subject to wear and grease loss, thereby reducing the need and frequency of routine maintenance and reducing maintenance costs.

[0051] By adopting the structure of drive motor 39, double teeth 36, parallel gears 33 and worm wheel 19 and worm 26, the modular setting reduces the risk of failure of a single key component affecting the entire product, reduces the failure rate, improves product stability, and thus reduces costs.

[0052] During installation, first insert the anti-sway ring gasket 1 into the front end of the screw 3, then tighten the nut 2, screw the inner tube 4 into the screw 3, insert the guide sleeve 5, snap in the installation spring 6, install the screw 3 inner tube 4 assembly into the outer tube 7, insert the first bearing and the second bearing into the bearing sleeve 9, then install the assembly into the screw 3, and insert the front end sealing ring 11 into the screw 3.

[0053] Insert the support bearing 12 into the screw 3, then install the rear end cover 13, tighten the screws, insert the first sealing ring 14 and the second sealing ring 15, insert the waterproof sealing ring 16 into the waterproof sheet 17, and then put the waterproof assembly onto the rear end cover 13, the bearing spacer 18 and the plane ball bearing 20 are respectively inserted into the front and back of the worm gear 19, insert the first flat key into the screw 3, the worm gear 19 assembly is inserted into the screw 3, the screw shaft sleeve 21 is installed into the screw 3, screw in the hexagonal screw 22 and tighten it, screw in the reverse thread nut 23 and tighten it, install it into the gear box 24 and tighten the screws, install the first deep groove ball bearing 25 and the second deep groove ball bearing 27 at both ends of the worm 26, and then install the gear box oil seal 28 into the positioning screw The nut 29 is then screwed into the gear box 24, the first retaining ring 30 and the second retaining ring 31 are snapped in, the second flat key 32 is snapped into the worm 26, the parallel gear 33 is installed, the third retaining ring 38 is snapped in, the copper sleeve 34 is installed into the gear box 24 cover, the mandrel 37 is inserted into the double tooth 36, the third deep groove ball bearings 35 are installed at both ends of the mandrel 37, the double tooth 36 combination is installed into the gear box 24, the box cover is closed and the screws are tightened, the drive motor 39 is installed and the screws are tightened, after the cables are arranged, the motor cover 40 is closed and the screws are tightened, the air valve 41 is screwed on the outer tube 7 and the gear box 24, the plug 42 is screwed on the outer tube 7, the ear seat 43 is installed on the ear shaft, the screws are tightened, and the self-lubricating bearing 44 is inserted. The oil-free bearing 46 is pressed into the guide sleeve 45, the guide sleeve 45 is assembled and installed into the front end of the inner tube 4, the retaining ring 47 is installed, the wear-resistant ring 49 is pressed into the front end cover 52, the first oil seal 48, the second oil seal 51, and the waterproof gasket 53 are installed in the front end cover 52, the front end cover 52 is assembled and inserted into the inner tube 4 and tightened, and the front pull head 54 is screwed into the inner tube 4 and tightened.

[0054] 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 driving push rod for a photothermal support, characterized in that: include: Outer tube (7); A drive assembly, comprising a gear box (24) connected to the end of the outer tube (7), the gear box (24) being respectively equipped with a drive motor (39), a double-linked tooth (36) meshing with the output end of the drive motor (39), a parallel gear (33) meshing with the double-linked tooth (36), a worm (26) connected to the parallel gear (33), and a worm wheel (19) meshing with the worm (26); The actuator assembly comprises an inner tube (4) slidably connected to the outer tube (7), a lead screw (3) sleeved in the inner tube (4) and connected to the worm gear (19), and a nut slidably connected to the lead screw (3) and connected to the inner tube (4).

2. A driving push rod for a photothermal support according to claim 1, characterized in that: A rear end cover (13) is installed at the open end of the gear box (24), a bearing sleeve (9) sleeved on the step of the lead screw (3) is installed in the rear end cover (13), a support bearing (12) is installed beside the bearing sleeve (9), a front end sealing ring (11) is installed between the bearing sleeve (9) and the support bearing (12), and the first guide bearing (8) and the second guide bearing (10) are installed between the two sides of the bearing sleeve (9) and the rear end cover (13).

3. A driving push rod for a photothermal support according to claim 2, characterized in that: A first sealing ring (14) and a waterproof sheet (17) are respectively installed at two matching steps between the rear end cover (13) and the open end of the gear box (24), and a second sealing ring (15) and a waterproof sealing ring (16) are respectively installed between the waterproof sheet (17) and the rear end cover (13) and the gear box (24).

4. The driving push rod for a photothermal support according to claim 2, characterized in that: The lead screw (3) is sleeved with a bearing spacer (18) located between one end of the worm gear (19) and the support bearing (12), the lead screw is sleeved with a lead screw shaft sleeve near the other end of the worm gear (19), and a plane ball bearing (20) is arranged between the lead screw shaft sleeve and the gear box (24).

5. The driving push rod for a photothermal support according to claim 1, characterized in that: A first deep groove ball bearing (25) and a second deep groove ball bearing (27) are respectively installed between the front and rear steps on the worm (26) and the gear box (24); a third deep groove ball bearing (35) is installed at both ends of the core shaft (37) of the double-linked gear (36); and a gear box oil seal (28) is installed between the worm (26) near the parallel gear (33) and the gear box (24) via a positioning nut (29).

6. The driving push rod for a photothermal support according to claim 1, characterized in that: An anti-sway ring gasket (1) is installed at the front end of the lead screw (3) through a tightening nut (2).

7. The driving push rod for a photothermal support according to claim 1, characterized in that: A guide sleeve (5) is installed between the rear end of the inner tube (4) and the outer tube (7) via a mounting spring (6); a front end cover (52) is installed at the front end of the outer tube (7); a waterproof gasket (53) is installed between the outer tube (7) and the front end cover (52); a guide sleeve (45) and an oil-free bearing (46) press-fitted on the guide sleeve (45) are installed between the front end of the inner tube (4) and the outer tube (7); a retaining ring (47), a first oil seal (48), a wear-resistant ring (49) and a second oil seal (51) are installed on the front end cover (52) in sequence in a direction away from the guide sleeve (45).

8. The driving push rod for a photothermal support according to claim 1, characterized in that: Ear seats (43) extend from both radial ends of the outer tube (7), and self-lubricating bearings (44) are sleeved inside the ear seats (43).

9. The driving push rod for a photothermal support according to claim 1, characterized in that: The front end of the inner tube (4) is connected to a front puller (54) via threads.

10. The driving push rod for a photothermal support according to claim 1, characterized in that: The outer tube (7) and the gear box (24) are respectively provided with a breathable valve (41), and the outer tube (7) is also provided with a plug (42).

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