CN116428341A

CN116428341A - Flat single-shaft linkage type speed reducer

Info

Publication number: CN116428341A
Application number: CN202310356811.4A
Authority: CN
Inventors: 孙高升
Original assignee: Jiangsu Zenithund Intelligent Equipment Co ltd
Current assignee: Jiangsu Zenithund Intelligent Equipment Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-14

Abstract

The application relates to the technical field of speed reducers, in particular to a flat single-shaft linkage type speed reducer, which comprises at least two speed reducer monomers, wherein each speed reducer monomer comprises a speed reducer monomer output end, a first worm for driving the speed reducer monomer output end, and a linkage shaft linked with the first worm; the linkage shafts of adjacent speed reducer monomers are fixedly connected; one of the at least two single speed reducers is a driving end single speed reducer, and the single speed reducers except the driving end single speed reducer are linkage end single speed reducers, wherein a first worm of the driving end single speed reducer is driven by a motor, a linkage shaft of the driving end single speed reducer drives a linkage shaft of each linkage end single speed reducer, and the linkage shaft of each linkage end single speed reducer drives a first worm of each linkage end single speed reducer. According to the scheme, the motor drives the driving end speed reducer units, so that the driving of the plurality of linkage end speed reducer units can be realized simultaneously, the equipment cost is greatly reduced, and the control difficulty is also reduced.

Description

Flat single-shaft linkage type speed reducer

Technical Field

The application relates to the technical field of speed reducers, in particular to a flat single-shaft linkage speed reducer.

Background

In the existing photovoltaic speed reducer field, a single flat shaft speed reducer has limited load capacity, cannot drive a large-scale photovoltaic panel to operate, and can only be driven by a plurality of speed reducers. Among a plurality of speed reducers for driving the photovoltaic panel, each speed reducer needs to be matched with a power source (motor) independently, which makes the equipment cost high.

Meanwhile, a plurality of speed reducers need to ensure synchronous operation, and the requirements on a motor control system are higher.

Content of the application

The technical problem to be solved by the application is to overcome the defects in the prior art, and a flat single-shaft linkage type speed reducer is provided.

The application is realized by the following technical scheme:

the flat single-shaft linkage type speed reducer comprises at least two speed reducer monomers, wherein each speed reducer monomer comprises a speed reducer monomer output end, a first worm for driving the speed reducer monomer output end, and a linkage shaft linked with the first worm;

the linkage shafts of adjacent speed reducer monomers are fixedly connected;

one of the at least two single speed reducers is a driving end single speed reducer, and the single speed reducers except the driving end single speed reducer are linkage end single speed reducers, wherein a first worm of the driving end single speed reducer is driven by a motor, a linkage shaft of the driving end single speed reducer drives a linkage shaft of each linkage end single speed reducer, and the linkage shaft of each linkage end single speed reducer drives a first worm of each linkage end single speed reducer.

Optionally, the linkage end speed reducer unit comprises at least two of the two sides of the drive end speed reducer unit.

Optionally, the first worm drives the linkage shaft through the transmission mechanism, the transmission mechanism comprises a first worm wheel fixedly connected to one end of the first worm, a second worm positioned below the first worm wheel and matched with the first worm wheel, a first helical gear fixedly connected to one end of the second worm, and a second helical gear matched with the first helical gear, and the linkage shaft is fixedly connected to a shaft hole of the second helical gear.

Optionally, the universal driving shaft includes the universal driving shaft spacing portion that is located the middle part, connects in the universal driving shaft connecting portion at spacing portion both ends, and the cross-section width of the spacing portion of universal driving shaft is greater than the universal driving shaft connecting portion, and the speed reducer monomer includes the lower part casing, and the lower part casing be equipped with the universal driving shaft and hold the chamber, and the both ends that the universal driving shaft held the chamber have spacing bearing mounting groove, and spacing bearing clamps in spacing bearing mounting groove, and spacing bearing's inner circle collar universal driving shaft connecting portion, and the spacing portion of universal driving shaft clamps in two spacing bearing insides.

Optionally, the linkage shafts of the adjacent speed reducer units are fixedly connected through connecting pipes, and the linkage shafts of the adjacent speed reducer units are sleeved on the inner sides of the connecting pipes and are fixed with the connecting pipes through bolts.

Optionally, the single output end of the speed reducer comprises a gear shaft, a third bevel gear is arranged on the outer side of the gear shaft, and the first worm is matched with the third bevel gear.

Optionally, the speed reducer monomer includes upper portion casing, and upper portion casing inboard has the stopper, and the stopper is used for carrying out spacingly to the rotation angle of third bevel gear.

Optionally, the upper shell is provided with self-lubricating bearings at two ends of the gear shaft, an outer ring of each self-lubricating bearing is fixedly connected with the upper shell, and an inner ring of each self-lubricating bearing is fixedly connected with the gear shaft.

Optionally, the first worm is a torus enveloping worm.

Optionally, the second worm is a double-ended cylindrical worm.

The beneficial effects of this application are:

in the embodiment of the application, the single drive end speed reducer is driven by one motor, so that the single drive of a plurality of linkage end speed reducers can be realized at the same time, and a plurality of speed reducer units in the system can run synchronously. Because only one motor is needed, the equipment cost is greatly reduced, and the control difficulty can be reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a flat single-shaft linkage speed reducer according to an embodiment of the present application.

Fig. 2 is an exploded view of a single body of a speed reducer according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a transmission structure of a single speed reducer in an embodiment of the present application.

Fig. 4 is a side view of a single speed reducer in an embodiment of the present application.

Fig. 5 is a sectional view of the structure of the reduction gear unit at A-A.

Fig. 6 is a sectional view of the structure of the reduction gear unit at B-B.

Fig. 7 is a sectional view of the structure of the speed reducer unit at D-D.

Fig. 8 is a rear view of a single body of the speed reducer in the embodiment of the present application.

Fig. 9 is a sectional view of the structure of the reduction gear unit at C-C.

In the figure: 1. the gear box comprises a speed reducer unit, a speed reducer unit output end, a first worm, a linkage shaft, a motor, a first worm wheel, a second worm, a first bevel gear, a second bevel gear, a linkage shaft limiting part, a linkage shaft connecting part, a limiting bearing mounting groove, a limiting bearing, a connecting pipe, a bolt, a gear shaft, a third bevel gear, a upper shell, a limiting block, a self-lubricating bearing and a lower shell, wherein the speed reducer unit is arranged in the speed reducer unit, the speed reducer unit output end is arranged in the speed reducer unit, the first worm, the linkage shaft is arranged in the speed reducer unit, the motor is arranged in the speed reducer unit, the first worm, the linkage shaft is arranged in the speed reducer unit, the first worm, the motor is arranged in the speed reducer unit, the first worm gear wheel is arranged in the first worm, the second bevel gear, the second worm, the linkage shaft is arranged in the second bevel gear, the linkage shaft limiting part and the linkage shaft limiting part is arranged in the speed reducer unit, the first worm, the linkage shaft limiting shaft is arranged in the mode, the limiting bearing is arranged in the mode.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings and the preferred embodiments.

In the related art, a traditional single flat shaft speed reducer in the field of photovoltaic speed reducers cannot be directly linked through output shafts at two sides due to the transmission characteristic of the single flat shaft speed reducer.

If the speed reducer adopts gears for transmission, the speed reduction ratio is small, the requirement on input power is high, and the cost is high.

If the linkage shaft is arranged to drive the plurality of speed reducers to synchronously operate, the position of the linkage shaft needs to be reasonably arranged, so that the position of the linkage shaft cannot influence the movement of the photovoltaic panel. If the linkage shaft is arranged right below the worm of the speed reducer, the position cannot influence the movement of the photovoltaic panel, but the existing worm wheel does not have the function of directly driving the linkage shaft.

In the related art, a photovoltaic panel is driven by adopting a mode that a plurality of speed reducers are independently operated, so that independent matched power sources (motors) are required at each driving position, and the cost and the control difficulty are increased.

The present application aims to solve at least one of the above problems, and provides a flat single-shaft linkage type speed reducer.

Fig. 1 is a schematic diagram of the overall structure of a flat single-shaft linkage type speed reducer provided in an embodiment of the present application, as shown in fig. 1, where the flat single-shaft linkage type speed reducer provided in the present application includes at least two speed reducer units 1, and each speed reducer unit includes a speed reducer unit output end 2, a first worm 3 for driving the speed reducer unit output end, and a linkage shaft 4 linked with the first worm;

the linkage shafts of adjacent speed reducer monomers are fixedly connected;

one of the at least two single speed reducers is a driving end single speed reducer, and the single speed reducers except the driving end single speed reducer are linkage end single speed reducers, wherein a first worm of the driving end single speed reducer is driven by a motor 5, a linkage shaft of the driving end single speed reducer drives a linkage shaft of each linkage end single speed reducer, and the linkage shaft of each linkage end single speed reducer drives a first worm of each linkage end single speed reducer.

In the embodiment of the application, the structures of the speed reducer monomers are the same. The first worm of the single drive end speed reducer can be driven by a motor to rotate, the first worm of the single drive end speed reducer drives the single drive end speed reducer to rotate, power output of the single drive end speed reducer is achieved, and meanwhile the single drive end speed reducer linkage shaft can be driven to rotate.

When the single linkage shaft of the driving end speed reducer rotates, the single linkage shaft of the linkage end speed reducer can be driven to rotate, when the single linkage shaft of the linkage end speed reducer rotates, the first worm of the single linkage end speed reducer is driven to rotate, when the first worm of the single linkage end speed reducer rotates, the single output end of the single speed reducer of the linkage end speed reducer is driven to rotate, and power output of the single speed reducer of the linkage end is achieved.

In this embodiment of the application, the universal driving shaft is set up in the below of first worm, can not cause the motion of photovoltaic board.

In an alternative embodiment of the present application, the linkage-end reducer unit includes at least two units located on both sides of the drive-end reducer unit.

In the embodiment of the application, the linkage end speed reducer monomers on two sides of the linkage axial direction of the drive end speed reducer monomers are used for power output, so that bidirectional linkage output is realized, and the combined use in a large-scale system is facilitated, for example, the combined use in large-scale photovoltaic panel adjustment is facilitated.

In an alternative embodiment of the present application, the first worm drives the linkage shaft through the transmission mechanism, the transmission mechanism includes a first worm wheel 6 fixedly connected to one end of the first worm, a second worm 7 located below the first worm wheel and matched with the first worm wheel, a first helical gear 8 fixedly connected to one end of the second worm, and a second helical gear 9 matched with the first helical gear, and the linkage shaft is fixedly connected to a shaft hole of the second helical gear.

Fig. 2 is an exploded view of a single body of a speed reducer according to an embodiment of the present application. Fig. 3 is a schematic diagram of a transmission structure of a single speed reducer in an embodiment of the present application. Fig. 4 is a side view of a single speed reducer in an embodiment of the present application. Fig. 5 is a sectional view of the structure of the single body of the speed reducer at A-A, and fig. 6 is a sectional view of the structure of the single body of the speed reducer at B-B. Fig. 7 is a sectional view of the structure of the speed reducer unit at D-D.

As shown in fig. 2-7, a drive arrangement is used for the drive between the first worm and the linkage shaft. Specifically, the front end of the first worm is fixedly connected with the first worm wheel, for example, the first worm and the first worm wheel can be connected through a flat key. The first worm wheel is matched with the second worm. The second worm is fixedly connected with the first bevel gear, for example, the second worm can be connected with the first bevel gear through a flat key. The first helical gear is matched with the second helical gear, the second helical gear can be provided with a shaft hole, and the linkage shaft is fixed in the shaft hole of the second helical gear.

In the single body of the drive end speed reducer, the first worm is driven by the motor to rotate, and the first worm can drive the output end of the single body of the drive end speed reducer to rotate. Simultaneously first worm and first worm wheel rigid coupling for first worm wheel and first worm synchronous revolution, first turbine and the second worm and the first turbine cooperation of below make first turbine can drive the second worm rotatory, second worm and first helical gear rigid coupling, make first helical gear and the synchronous revolution of second worm, first helical gear and second helical gear cooperation make the second helical gear can be driven down by first helical gear and rotate, second helical gear and universal driving axle rigid coupling, make universal driving axle and the synchronous revolution of second helical gear. Thereby realizing the driving of the linkage shaft by the first worm.

In the single body of the speed reducer at the linkage end, the linkage shaft is used as power input, and the linkage shaft drives the second gear fixedly connected with the linkage shaft to synchronously rotate. The second bevel gear is matched with the first bevel gear, so that the first bevel gear can rotate under the drive of the second bevel gear. The first helical gear is fixedly connected with the second worm, so that the second worm and the first helical gear synchronously rotate. The second worm is matched with the first worm gear, so that the first worm gear can rotate under the drive of the second worm, the first worm gear is fixedly connected with the first worm, the first worm gear and the first worm synchronously rotate, the first worm is driven by the linkage shaft, and the first worm can further drive the single output end of the linkage end speed reducer to rotate.

The transmission structure in the embodiment of the application realizes multi-stage transmission, has larger reduction ratio, low requirement on input power and high overall output precision.

According to the transmission structure, the axis of the input force is parallel to the axis of the output force, and a plurality of speed reducer units are conveniently arranged in the straight line direction.

In an optional embodiment of the application, the universal driving shaft includes the universal driving shaft spacing portion 10 that is located the middle part, connect in the universal driving shaft connecting portion 11 at spacing portion both ends, the cross-sectional width of the spacing portion of universal driving shaft is greater than the universal driving shaft connecting portion, the speed reducer monomer includes lower part casing 21, the lower part casing be equipped with the universal driving shaft hold the chamber, the both ends that the universal driving shaft held the chamber have spacing bearing mounting groove 12, spacing bearing 13 card is in spacing bearing mounting groove, spacing bearing's inner race ring cover universal driving shaft connecting portion, the spacing portion card of universal driving shaft is inboard in two spacing bearings.

Fig. 8 is a rear view of a single body of the speed reducer in the embodiment of the present application. FIG. 9 is a cross-sectional view of the reducer unit at C-C,

as shown in fig. 8 and 9, the housing of the speed reducer unit may include an upper housing for accommodating the output end of the speed reducer, and a lower housing for accommodating the transmission structure.

The radius of the linkage shaft limiting part in the middle of the linkage shaft is larger than that of the linkage shaft connecting parts on two sides, and the linkage shaft connecting parts are used for being connected with the linkage shaft connecting parts of other speed reducer monomers.

The lower part shell is provided with a linkage shaft accommodating cavity for accommodating the linkage shaft limiting part, limiting bearings are installed through limiting bearing installation grooves on two sides, and the linkage shaft connecting part is sleeved on the inner ring of each limiting bearing, so that the linkage shaft can freely rotate in the limiting bearings, the side wall of each limiting bearing can be conveniently contacted with the corresponding linkage shaft limiting part, and limiting of the corresponding linkage shaft limiting part can be achieved through limiting shafts on two sides, so that the linkage shaft can be stably installed.

In an alternative embodiment of the present application, the coupling shafts of the adjacent speed reducer units are fixedly connected through the connecting pipes 14, and the coupling shafts of the adjacent speed reducer units are sleeved on the inner sides of the connecting pipes and are fixed with the connecting pipes through bolts 15.

Wherein, the connecting pipe can be sleeved, and the intraductal shape of intraductal can be with the assorted of universal driving axle for the universal driving axle connecting portion can insert in the connecting pipe. Screw holes can be formed in the corresponding positions of the connecting pipe and the linkage shaft, and the connecting pipe and the linkage shaft are sequentially connected through bolts and then locked, so that the fixed connection of the connecting pipe and the linkage shaft is realized.

The lengths of the connecting pipe and the linkage shaft can be set according to actual needs.

In an alternative embodiment of the present application, the single output end of the speed reducer includes a gear shaft 16, and a third bevel gear 17 is disposed on the outer side of the gear shaft, and the first worm is matched with the third bevel gear.

The first worm is matched with the third bevel gear, and when the first worm rotates, the third bevel gear and the gear shaft can be driven to rotate, and the gear shaft can be connected with the square tube to serve as power output of the speed reducer unit.

In an alternative embodiment of the present application, the speed reducer unit includes an upper housing 18, and a stopper 19 is provided on the inner side of the upper housing, and the stopper is used for limiting the rotation angle of the third bevel gear.

The rotation angle of the gear shaft can be controlled by a motor. In this example, the rotation angle of the tooth shaft may be controlled to ±65°. A limiting block can be further arranged in the shell, when the gear shaft rotates to exceed a preset angle, the third bevel gear can be in contact with the limiting block, the limiting block can block the third bevel gear, and the gear shaft is guaranteed to be selectively arranged in the preset angle range.

In an alternative embodiment of the present application, the upper housing is provided with self-lubricating bearings 20 at both ends of the gear shaft, the outer ring of the self-lubricating bearings is fixedly connected with the upper housing, and the inner ring of the self-lubricating bearings is fixedly connected with the gear shaft. The self-lubricating bearing is arranged to realize stable installation of the gear shaft.

In this application embodiment, each cavity in the free upper portion casing of speed reducer and lower part casing can communicate for lubricating oil can spread the cavity, constitutes a lubricating system.

In an alternative embodiment of the present application, the first worm is a torus enveloping worm.

In an alternative embodiment of the present application, the second worm is a double-ended cylindrical worm.

Through adopting double-end cylinder worm and anchor ring envelope worm, can effectively promote transmission efficiency.

The invention is applied to the photovoltaic industry and is used for driving the solar panel to track and trace the sun.

The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application and are intended to be comprehended within the scope of the present application.

Claims

1. The flat single-shaft linkage type speed reducer is characterized by comprising at least two speed reducer monomers, wherein each speed reducer monomer comprises a speed reducer monomer output end, a first worm used for driving the speed reducer monomer output end, and a linkage shaft linked with the first worm;

the adjacent coupling shafts of the speed reducer monomers are fixedly connected;

one of the at least two speed reducer monomers is a driving end speed reducer monomer, and speed reducer monomers except the driving end speed reducer monomer are linkage end speed reducer monomers, wherein a first worm of the driving end speed reducer monomer is driven by a motor, a linkage shaft of the driving end speed reducer monomer drives each linkage end speed reducer monomer linkage shaft, and each linkage end speed reducer monomer linkage shaft drives each linkage end speed reducer monomer first worm.

2. The flat single-shaft linkage type speed reducer is characterized in that the linkage end speed reducer unit comprises at least two of the two sides of the driving end speed reducer unit.

3. The flat single-shaft linkage type speed reducer according to claim 1, wherein the first worm drives the linkage shaft through a transmission mechanism, the transmission mechanism comprises a first worm wheel fixedly connected to one end of the first worm, a second worm positioned below the first worm wheel and matched with the first worm wheel, a first bevel gear fixedly connected to one end of the second worm, and a second bevel gear matched with the first bevel gear, and the linkage shaft is fixedly connected to a shaft hole of the second bevel gear.

4. The flat single-shaft linkage type speed reducer according to claim 1, wherein the linkage shaft comprises a linkage shaft limiting part positioned in the middle, the linkage shaft limiting part is connected to the linkage shaft connecting parts at two ends of the limiting part, the section width of the linkage shaft limiting part is larger than that of the linkage shaft connecting parts, the speed reducer unit comprises a lower shell, a linkage shaft accommodating cavity is arranged on the lower shell, two ends of the linkage shaft accommodating cavity are provided with limiting bearing mounting grooves, limiting bearings are clamped in the limiting bearing mounting grooves, an inner ring of each limiting bearing is sleeved on the linkage shaft connecting parts, and the linkage shaft limiting parts are clamped inside two limiting bearings.

5. The flat single-shaft linkage type speed reducer according to claim 1, wherein the linkage shafts of adjacent speed reducer units are fixedly connected through connecting pipes, and the linkage shafts of the adjacent speed reducer units are sleeved on the inner sides of the connecting pipes and are fixed with the connecting pipes through bolts.

6. The flat single-shaft linked speed reducer according to claim 1, wherein the single output end of the speed reducer comprises a gear shaft, a third bevel gear is arranged on the outer side of the gear shaft, and the first worm is matched with the third bevel gear.

7. The flat single-shaft linked speed reducer according to claim 6, wherein the speed reducer unit comprises an upper housing, a stopper is provided on the inner side of the upper housing, and the stopper is used for limiting the rotation angle of the third bevel gear.

8. The flat single-shaft linked speed reducer according to claim 7, wherein the upper housing is provided with self-lubricating bearings at both ends of the gear shaft, an outer ring of the self-lubricating bearings is fixedly connected with the upper housing, and an inner ring of the self-lubricating bearings is fixedly connected with the gear shaft.

9. The flat single-shaft linked speed reducer according to any one of claims 1-8, wherein the first worm is a torus enveloping worm.

10. The flat single-shaft linked speed reducer according to any one of claims 1-8, wherein the second worm is a double-ended cylindrical worm.