CN109681538B - Tracker transmission shaft connection structure - Google Patents
Tracker transmission shaft connection structure Download PDFInfo
- Publication number
- CN109681538B CN109681538B CN201910060785.4A CN201910060785A CN109681538B CN 109681538 B CN109681538 B CN 109681538B CN 201910060785 A CN201910060785 A CN 201910060785A CN 109681538 B CN109681538 B CN 109681538B
- Authority
- CN
- China
- Prior art keywords
- pin
- connecting end
- transmission shaft
- drive shaft
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides a tracker transmission shaft connecting structure, which comprises a fixed pin, a first transmission shaft and a second transmission shaft which are mutually embedded and connected in opposite directions, wherein: the front parts of the first connecting end of the first transmission shaft and the second connecting end of the second transmission shaft are in a half-shaft shape, a boss at the top of the first connecting end is embedded into a groove at the bottom of the second connecting end, and a boss at the top of the second connecting end is embedded into the groove at the bottom of the first connecting end; the joint surface of the first connecting end is provided with a first pin groove, the joint surface of the second connecting end is provided with a second pin groove, the first pin groove corresponds to the second pin groove in position, and the first pin groove and the second pin groove are surrounded to form a pin hole; the fixing pin is clamped and fixed in the pin hole through a deformable pin wall. The structure only needs to fix one part, so that the shape locking of the two transmission shaft connecting ends can be realized, six degrees of freedom of the two transmission shaft connecting ends are effectively restrained, the connection structure is exquisite, and the installation is quick and convenient; the structure greatly reduces the production cost while ensuring the working reliability of the transmission shaft.
Description
Technical Field
The invention relates to the field of transmission of photovoltaic sun tracking devices, in particular to a transmission shaft connecting structure of a tracker.
Background
In a photovoltaic power generation system, in order to improve the photoelectric conversion capability, a photovoltaic module is generally disposed facing the direction of sunlight. Because the power generation efficiency of the photovoltaic power generation is greatly influenced by the irradiation angle of sunlight, the photovoltaic solar tracking system is arranged, so that the orientation of each solar panel in the photovoltaic power generation system moves along with the irradiation angle of sunlight, and the photoelectric conversion efficiency can be effectively improved. The plurality of tracking devices in the tracking system typically share a drive and are connected by a drive shaft to transmit torque.
The existing transmission shaft connecting structure of the tracking device comprises a hoop, a bolt connecting structure, a pull rod and nut locking connecting structure, a flange plate bolt connecting structure, a sleeve pipe screw jacking connecting structure and the like. However, the transmission shaft connecting structure has the problems of more assembly parts, complex structure, low reliability and high mounting and maintenance success in use; meanwhile, the structure also has higher production and material cost, and is not beneficial to popularization and application of the tracking device.
Disclosure of Invention
The invention provides a tracker transmission shaft connecting structure with a smart structure, which is used for reducing maintenance cost while improving the working reliability of a tracker, and comprises a fixed pin, a first transmission shaft and a second transmission shaft which are mutually embedded and connected in opposite directions, wherein:
the front parts of the first connecting end of the first transmission shaft and the second connecting end of the second transmission shaft are in a half-shaft shape, a boss at the top of the first connecting end is embedded into a groove at the bottom of the second connecting end, and a boss at the top of the second connecting end is embedded into the groove at the bottom of the first connecting end;
the joint surface of the first connecting end is provided with a first pin groove, the joint surface of the second connecting end is provided with a second pin groove, the first pin groove corresponds to the second pin groove in position, and the first pin groove and the second pin groove are encircled to form a pin hole;
the fixing pin is clamped and fixed in the pin hole through a deformable pin wall;
In specific implementation, the fixing pin is an elastic fixing pin;
In a specific implementation, a spring transversely arranged relative to the pin wall is arranged inside the elastic fixing pin, the pin wall comprises a pin wall body and a gasket arranged outside the pin wall body, the spring protrudes out of the pin wall body to be connected with the gasket, and the gasket can move relative to the pin wall body and clamp and fix the elastic fixing pin in the pin hole through tension applied by the spring;
The first connecting end and the second connecting end are identical in shape and are centrally symmetrical to the pin hole.
In a specific implementation, the cross section of the embedded area of the first connecting end and the second connecting end is smaller than or equal to the cross section of the first transmission shaft or the second transmission shaft.
In a specific implementation, the cross sections of the first transmission shaft and the second transmission shaft are square.
In a specific implementation, the length of the fixing pin is smaller than or equal to the width of the first connection end or the second connection end.
In a specific implementation, the cross section of the fixing pin is rectangular.
In a specific implementation, the joint surface of the first connecting end and the second connecting end is parallel to the power transmission direction of the first transmission shaft and the second transmission shaft.
The invention provides a tracker transmission shaft connecting structure, wherein the connecting ends of a first transmission shaft and a second transmission shaft of the structure are mutually embedded and connected in opposite directions, the front parts of the connecting ends of the two transmission shafts are in a half-shaft shape, the front parts of the two transmission shafts are in a shaft shape after being mutually embedded and connected, the top of the tracker transmission shaft connecting structure is provided with a boss, and the boss is embedded into a matched groove in the connecting end of the other transmission shaft; the joint surface of the connecting ends of the two transmission shafts is transversely provided with corresponding pin grooves, the two pin grooves are surrounded into pin holes, and fixing pins with deformable pin walls are clamped in the pin holes. The structure only needs to fix one part, so that the shape locking of the two transmission shaft connecting ends can be realized, six degrees of freedom of the two transmission shaft connecting ends are effectively restrained, the connection structure is exquisite, and the installation is quick and convenient; the structure greatly reduces the production cost while ensuring the working reliability of the transmission shaft, and is easy to maintain and repair.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic view of the structure of a tracker drive shaft connection in accordance with one embodiment of the present invention;
Fig. 2 is a schematic diagram of an exploded structure of a tracker drive shaft connection structure according to one embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention will be made with reference to the accompanying drawings. The exemplary embodiments of the present invention and the descriptions thereof are used herein to explain the present invention, but are not intended to limit the invention.
As shown in fig. 1 and 2, the present invention provides a tracker transmission shaft connection structure with a delicate structure for reducing repair and maintenance costs while improving the operational reliability of a tracker, the tracker transmission shaft connection structure comprising a fixing pin 300, a first transmission shaft 100 and a second transmission shaft 200 connected to each other in a facing and embedded manner, wherein:
the front parts of the first connecting end 110 of the first transmission shaft 100 and the second connecting end 210 of the second transmission shaft 200 are in a half-shaft shape, a boss 111 at the top of the first connecting end 110 is embedded into a groove 212 at the bottom of the second connecting end 210, and a boss 211 at the top of the second connecting end 210 is embedded into a groove 112 at the bottom of the first connecting end 110;
The joint surface of the first connection end 110 is provided with a first pin groove 113, the joint surface of the second connection end 210 is provided with a second pin groove 213, the first pin groove 113 corresponds to the second pin groove 213 in position, and a pin hole 400 is formed by surrounding;
The fixing pin 300 is fastened to the inside of the pin hole 400 by a deformable pin wall.
The working principle of the tracker transmission shaft connecting structure in the invention is as follows: the joint surface of the first connecting end 110 of the first transmission shaft 100 is jointed with the joint surface of the second connecting end 210 of the second transmission shaft 200, meanwhile, a boss 111 extending out from the top of the first connecting end 110 of the first transmission shaft 100 is embedded into a groove 212 at the bottom of the second connecting end 210 of the second transmission shaft 200, a boss 211 extending out from the top of the second connecting end 210 of the second transmission shaft 200 is embedded into a groove 112 at the bottom of the first connecting end 110 of the first transmission shaft 100, so that the mutual embedding of the two transmission shaft connecting ends is realized, and at the moment, the mutual embedding areas of the two connecting ends with half-shaft shapes at the front parts are mutually embedded in a shaft shape; the fixing pin 300 is deformed by pressure before being inserted into the pin hole 400, the volume is reduced, and after being put into the pin hole 400, the fixing pin 300 returns to the original shape, and can be effectively clamped in the pin hole 400, so that the two transmission shafts are fixedly connected.
In particular embodiments, the fixing pin 300 may be selected from a variety of embodiments. For example, the fixing pin 300 may be an elastic fixing pin. Specifically, the outer wall of the elastic fixing pin has elasticity, the appearance of the pin wall can be changed under the action of external force, and after the elastic fixing pin is placed into the pin hole 400, the elastic pin wall can be tightly attached to the inner wall of the pin hole 400, so that the clamping tightness of the fixing pin 300 and the pin hole 400 is further improved.
In practice, the arrangement of the elastic fixing pins may have various embodiments. For example, as shown in fig. 1, the elastic fixing pin may have a spring 310 disposed transversely to the pin wall, the pin wall may include a pin wall body and a spacer 320 disposed outside the pin wall body, the spring 310 protrudes out of the pin wall body and is connected to the spacer 320, and the spacer 320 may move relative to the pin wall body and clamp the elastic fixing pin inside the pin hole 400 by tension applied by the spring 310. Specifically, the outside of the two sides round pin wall body of elastic fixed pin pipe fitting is provided with gasket 320, and spring 310 transversely passes through the inside that sets up in elastic fixed pin pipe fitting, and the trompil and the gasket 320 fixed connection of round pin wall body are passed through at both ends, and when not receiving external force, spring 310 props gasket 320 to both sides, is the diastole state, then spring 310 compression when receiving external force extrusion, and gasket 320 laminating is to round pin wall body. After the elastic fixing pin is put into the pin hole 400, the spacer 320 is supported to the inner wall of the pin hole 400 by the tension applied by the spring 310, thereby effectively fixing the two transmission shafts. Further, the elastic fixing pin 3 may be a spacer 320 with a larger thickness, so as to reduce the fit clearance between the spacer 320 and the inner wall of the pin hole 400, thereby improving the working reliability of the transmission shaft.
In particular embodiments, the first connection end 110 and the second connection end 210 may be configured in a variety of ways. For example, as shown in fig. 1 and 2, the first connecting end 110 and the second connecting end 210 may have the same shape, and the first connecting end 110 and the second connecting end 210 may be centrally symmetrical to the pin hole 400. The transmission shafts are provided with the connecting ends with identical shapes, so that the expenditure of a die can be reduced, and meanwhile, the production and maintenance costs can be further reduced.
In particular embodiments, the cross-sectional area of the two connection end interengaged regions may be sized in a variety of ways. For example, as shown in fig. 1 and 2, if the profile of the connection end of the transmission shaft is higher than the cross section of the transmission shaft, interference may occur when the transmission shaft is connected with other components, and thus the cross section of the inter-embedded area of the first connection end 110 and the second connection end 210 of the inter-embedded connection may be smaller than or equal to the cross section of the first transmission shaft 100 or the second transmission shaft 200.
In particular, the first drive shaft 100 and the second drive shaft 200 may be configured in various embodiments. For example, as shown in fig. 2, since the square transmission shaft is used to effectively ensure the stability of power transmission, the cross sections of the first transmission shaft 100 and the second transmission shaft 200 may be square. For another example, the cross sections of the first transmission shaft 100 and the second transmission shaft 200 may be circular, that is, the first transmission shaft 100 and the second transmission shaft 200 are cylinders.
In particular embodiments, the length of the fixing pin 300 may be provided in a variety of embodiments. For example, as shown in fig. 2, the length of the fixing pin 300 may be less than or equal to the width of the first connection end 110 or the second connection end 210. The length is smaller than or equal to the width of the first connection end 110 or the second connection end 210, so that the fixing pin 300 after clamping can be effectively ensured not to exceed the surface of the first connection end 110 or the second connection end 210, and interference between the transmission shaft and other components can be further avoided.
In particular embodiments, the cross-sectional shape of the retaining pin 300 may be configured in a variety of ways. For example, as shown in fig. 1, the cross section of the fixing pin 300 may be rectangular. The fixing pin 300 having a rectangular cross section can effectively improve the connection stability of the driving shaft. Further, the cross section of the pin hole 400 may be matched with the fixing pin 300, and also rectangular.
In particular, as shown in fig. 1, in order to facilitate installation, two transmission shafts can be quickly connected and fixed in use, and the joint surface of the first connecting end 110 and the second connecting end 210 can be parallel to the power transmission direction of the first transmission shaft 100 and the second transmission shaft 200.
In summary, according to the tracker transmission shaft connecting structure provided by the invention, the connecting ends of the first transmission shaft and the second transmission shaft are mutually embedded and connected in opposite directions, the front parts of the connecting ends of the two transmission shafts are in a half-shaft shape, the front parts of the two transmission shafts are in a shaft shape after mutually embedded and connected, the top of the tracker transmission shaft connecting structure is provided with a boss, and the boss is embedded into a matched groove in the connecting end of the other transmission shaft; the joint surface of the connecting ends of the two transmission shafts is transversely provided with corresponding pin grooves, the two pin grooves are encircled to form a pin hole, and a fixed pin is clamped in the pin hole. The structure only needs to fix one part, so that the shape locking of the two transmission shaft connecting ends can be realized, six degrees of freedom of the two transmission shaft connecting ends are effectively restrained, the connection structure is exquisite, and the installation is quick and convenient; the structure greatly reduces the production cost while ensuring the working reliability of the transmission shaft, and is easy to maintain and repair.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A tracker drive shaft connection structure comprising a fixing pin (300), a first drive shaft (100) and a second drive shaft (200) which are mutually embedded and connected in opposite directions, wherein:
The front parts of a first connecting end (110) of the first transmission shaft (100) and a second connecting end (210) of the second transmission shaft (200) are in a half-shaft shape, a boss (111) at the top of the first connecting end (110) is embedded into a groove (212) at the bottom of the second connecting end (210), and a boss (211) at the top of the second connecting end (210) is embedded into a groove (112) at the bottom of the first connecting end (110);
The joint surface of the first connecting end (110) is provided with a first pin groove (113), the joint surface of the second connecting end (210) is provided with a second pin groove (213), the first pin groove (113) corresponds to the second pin groove (213) in position, and a pin hole (400) is formed by surrounding;
The fixing pin (300) is clamped and fixed in the pin hole (400) through a deformable pin wall;
the fixing pin (300) is an elastic fixing pin;
The elastic fixing pin is internally provided with a spring (310) transversely arranged relative to the pin wall, the pin wall comprises a pin wall body and a gasket (320) arranged outside the pin wall body, the spring (310) protrudes out of the pin wall body and is connected with the gasket (320), and the gasket (320) can move relative to the pin wall body and clamp and fix the elastic fixing pin in the pin hole (400) through tension applied by the spring (310);
the first connecting end (110) and the second connecting end (210) are identical in shape and are centrally symmetrical to the pin hole (400).
2. The tracker drive shaft connection structure of claim 1, wherein a cross section of an inter-embedded area of the first connection end (110) and the second connection end (210) is less than or equal to a cross section of the first drive shaft (100) or the second drive shaft (200).
3. The tracker drive shaft connection structure of claim 2, wherein the first drive shaft (100) and the second drive shaft (200) are square in cross section.
4. The tracker drive shaft connection structure of claim 1, wherein the length of the securing pin (300) is less than or equal to the width of the first connection end (110) or the second connection end (210).
5. The tracker drive shaft connection structure of claim 1, wherein the fixing pin (300) is rectangular in cross section.
6. The tracker drive shaft connection structure of claim 1, wherein a junction surface of the first connection end (110) and the second connection end (210) is parallel to a power transmission direction of the first drive shaft (100) and the second drive shaft (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060785.4A CN109681538B (en) | 2019-01-22 | 2019-01-22 | Tracker transmission shaft connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060785.4A CN109681538B (en) | 2019-01-22 | 2019-01-22 | Tracker transmission shaft connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681538A CN109681538A (en) | 2019-04-26 |
| CN109681538B true CN109681538B (en) | 2024-04-19 |
Family
ID=66193865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910060785.4A Active CN109681538B (en) | 2019-01-22 | 2019-01-22 | Tracker transmission shaft connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681538B (en) |
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| Publication number | Publication date |
|---|---|
| CN109681538A (en) | 2019-04-26 |
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