CN111677830A - Worm steering type multi-point drive tracking slewing reducer - Google Patents

Abstract

The invention relates to a worm steering type multi-point drive tracking rotary speed reducer which comprises a plurality of worm and gear rotary driving devices (1) which are arranged at intervals in the front-back direction, wherein each worm and gear rotary driving device (1) comprises a base (11), each base (11) comprises a shaft shell (111) and a seat ring (112), a worm (12) is arranged in each shaft shell (111), a gear shaft (13) is arranged in each seat ring (112), each worm (12) is meshed with each gear shaft (13), and a main beam (5) is arranged between the gear shafts (13) of two adjacent worm and gear rotary driving devices (1). The invention adopts a mode of combining the worm and gear rotary driving device and the gear box, and drives the gear box to output and transmit power through the bevel gear arranged on the worm, thereby realizing the parallel driving of a plurality of worm and gear rotary driving devices.

Description

Worm steering type multi-point drive tracking slewing reducer

technical field

The invention relates to a worm-steering multi-point driving and tracking rotary reducer, which is mainly used in a solar photovoltaic tracking system, especially a solar flat single-axis multi-point parallel driving and tracking system.

Background technique

At present, the most common solar photovoltaic tracking application is flat single-axis tracking system. The point drives the rotation of the entire spindle. This form is widely used at home and abroad. It is characterized by simple structure and convenient installation. The disadvantage is that there is only one locking protection point at the driving position, which is easy to cause driving damage or damage in the case of strong winds. Twisting failure of the main beam tube. Recently, more and more tracking manufacturers have begun to explore the tracking system of single girder multi-point parallel drive, that is, the way in which multiple slewing reducers or push rods synchronously drive a girder to rotate. However, there are still some problems in the slewing reducer on the market to realize the function of multiple slewing synchronous parallel drive. The use of multiple slewing motors with drive motors in series needs to solve the problem of synchronization of multiple motors. difficulty.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a worm steering type multi-point drive tracking rotary reducer for the above-mentioned prior art. The gear drives the gearbox to output and transmit power to realize parallel driving of multiple worm gear and worm rotary drive devices.

The technical solution adopted by the present invention to solve the above problems is: a worm steering type multi-point drive tracking rotary reducer, which includes a plurality of worm gear and worm rotary drive devices arranged at intervals in the front and rear, and the worm wheel and worm rotary drive device includes a base , the base includes a shaft housing and a seat ring, the shaft housing is provided with a worm, the seat ring is provided with a gear shaft, the worm is meshed with the gear shaft, and the two adjacent worm gear and worm rotary drive devices are A main beam is arranged between the gear shafts.

Optionally, a gear box is correspondingly provided on one side of each worm gear and worm rotary drive device.

Optionally, the gear box includes a gear box body, an input shaft and an output shaft are arranged on the gear box body, a first bevel gear is arranged at the end of the input shaft, and a worm of the worm gear and worm rotary drive device is arranged on the worm. A second bevel gear is provided, the first bevel gear and the second bevel gear are meshed with the bevel gear shaft, and the output shafts of two adjacent gear boxes are connected by a transmission shaft.

Optionally, the input shaft and the output shaft are arranged in parallel up and down.

Optionally, the output shaft is located below the input shaft.

Optionally, the input shaft and the output shaft are connected by one or more stages of gears that mesh with each other.

Optionally, a drive motor is provided on one side of the shaft housing of one of the worm gear and worm rotary drive devices, and the drive motor is connected to the worm of the worm gear and worm rotary drive device.

Optionally, the worm is arranged in the shaft housing through two left and right worm bearings, and a sealing assembly is arranged on the outer side of the worm bearing.

Optionally, the first bevel gear and the third bevel gear are straight bevel teeth or arc teeth.

Optionally, both the gear shaft and the output shaft are bidirectional output shafts.

Compared with the prior art, the advantages of the present invention are:

1. The present invention adopts the combination of the worm gear and worm rotary drive device and the gearbox, and drives the gearbox to output and transmit power through the bevel gear installed on the worm, which not only realizes the worm steering function, but also realizes multi-point driving and tracking. Function;

2. The present invention solves the problem that the conventional rotary reducer cannot transmit power through steering and realize multi-point drive tracking, which is of great significance to the design improvement, cost saving and efficiency improvement of the entire solar flat single-axis tracking system;

3. The present invention adopts multiple front and rear worm gear rotary drive devices, and one of them drives two or more combined transmissions, which can effectively ensure the synchronization of each worm gear and worm rotary drive device;

4. The present invention adopts multiple worm gear and worm rotary drive devices, and drives the segmented main beam through the gear shafts of the multiple worm gear and worm rotary drive devices, which greatly improves the rigidity of the main beam, and the rigidity of the overall structure of the device is also improved accordingly;

5. The present invention adopts multiple worm gear and worm rotary drive devices. Through the static self-locking of the gear shaft and worm of the multiple worm gear and worm rotary drive devices, the solar tracking system can be effectively prevented from being pushed by external forces, so as to avoid damage to the system device.

Description of drawings

FIG. 1 is a schematic structural diagram of a worm-steered multi-point drive tracking rotary reducer according to the present invention.

FIG. 2 is a schematic diagram of the cooperation relationship between the worm gear and worm rotary drive device and the bevel gear parallel shaft gearbox in FIG. 1 .

FIG. 3 is a side view of FIG. 2 .

FIG. 4 is a schematic structural diagram of the bevel gear parallel shaft gearbox in FIG. 3 .

in:

Worm gear slewing drive 1

base 11

Axle housing 111

Seat 112

Worm 12

gear shaft 13

Worm bearing 14

seal assembly 15

Gearbox 2

Gear Box 21

input shaft 22

output shaft 23

First bevel gear 24

Second bevel gear 3

Drive shaft 4

drive motor 5

Main beam 6.

Detailed ways

The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.

As shown in FIGS. 1 to 4 , a worm-steering multi-point drive tracking rotary reducer in this embodiment includes a plurality of worm gear and worm rotary drive devices 1 arranged at intervals in the front and rear. The worm wheel and worm rotary drive device 1 includes a base 11, the base 11 includes a shaft housing 111 and a seat ring 112, the shaft housing 111 is provided with a worm 12, the seat ring 112 is provided with a gear shaft 13, the worm 12 and the gear shaft 13 are meshed, and a main beam 6 is provided between the gear shafts 13 of two adjacent worm gear and worm rotary drives 1; through the static self-locking of the worms 12 and the gear shafts 13 of multiple worm gear and worm rotary drives 1, external forces can be effectively prevented Push the solar tracking system to avoid damage to the system device;

A gear box 2 is correspondingly disposed on one side of each worm gear and worm rotary drive device 1 . The gear box 2 includes a gear box body 21 , and an input shaft 22 and an output shaft 23 are arranged on the gear box body 21 . 22 and the output shaft 23 are arranged in parallel up and down, the output shaft 23 is located below the input shaft 22, and the input shaft 22 and the output shaft 23 are connected by one-stage or multi-stage intermeshing gear transmission, and the input shaft 22 The end is provided with a first bevel gear 24, the worm 12 of the worm gear and worm rotary drive device 1 is provided with a second bevel gear 3, the first bevel gear 24 and the second bevel gear 3 mesh with each other, two adjacent The output shafts 23 of the gear box 2 are connected in series through the transmission shaft 4; the gear box 2 driven in series not only realizes the worm steering function, but also realizes the function of multi-point drive tracking;

The front and rear multiple worm gear and worm rotary drives 1 have a worm wheel and worm rotary drive device 1. One side of the shaft housing 111 is provided with a drive motor 5, and the drive motor 5 is connected with the worm 12 of the worm wheel and worm rotary drive device 1; The worm gear and worm rotary drive device drives two or more worm gear and worm rotary drive devices for joint transmission. A segmented main beam is used between two adjacent worm gear and worm rotary drive devices. The gear shaft drives the multi-section main beam, so that the torsional rigidity of the main beam is greatly improved, and the overall rigidity of the device is correspondingly improved;

The worm 12 is disposed in the shaft housing 111 through two left and right worm bearings 14;

The outer side of the worm bearing 14 is provided with a sealing assembly 15;

The first bevel gear 24 and the second bevel gear 3 are straight bevel teeth or arc teeth;

Both the gear shaft 13 and the output shaft 23 are bidirectional output shafts.

In addition to the above-mentioned embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a worm turns to formula multiple spot drive and trails and use slewing reducer which characterized in that: it includes many worm gear rotary driving device (1) of interval arrangement around, worm gear rotary driving device (1) includes base (11), base (11) are including axle housing (111) and seat circle (112), be provided with worm (12) in axle housing (111), be provided with gear shaft (13) in seat circle (112), worm (12) and gear shaft (13) mesh mutually, are provided with girder (5) between gear shaft (13) of two adjacent worm gear rotary driving device (1).

2. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 1, characterized in that: one side of each worm gear rotation driving device (1) is correspondingly provided with a gear box (2).

3. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 2, characterized in that: the gearbox (2) comprises a gearbox body (21), an input shaft (22) and an output shaft (23) are arranged on the gearbox body (21), a first bevel gear (24) is arranged at the end of the input shaft (22), a second bevel gear (3) is arranged on a worm (12) of the worm and gear rotary driving device (1), the first bevel gear (24) and the second bevel gear (3) are meshed with the bevel gear shaft (22), and the output shafts (23) of two adjacent gearbox bodies (2) are connected through a transmission shaft (4).

4. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 3, characterized in that: the input shaft (22) and the output shaft (23) are arranged in parallel up and down.

5. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 3, characterized in that: the output shaft (23) is located below the input shaft (22).

6. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 3, characterized in that: the input shaft (22) and the output shaft (23) are in transmission connection through one-stage or multi-stage meshed gears.

7. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 1 or 3, characterized in that: one side of a shaft shell (111) of one worm and gear rotary driving device (1) is provided with a driving motor (5), and the driving motor (5) is connected with a worm (12) of the worm and gear rotary driving device (1).

8. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 1, characterized in that: the worm (12) is arranged in the shaft shell (111) through a left worm bearing (14) and a right worm bearing (14), and a sealing assembly (15) is arranged on the outer side of the worm bearings (14).

9. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 3, characterized in that: the first bevel gear (24) and the third bevel gear (3) adopt straight bevel gears or arc gears.

10. The worm steering type multi-point drive rotary speed reducer for tracking according to claim 3, characterized in that: the gear shaft (13) and the output shaft (23) are both bidirectional output shafts.

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