CN210799906U

CN210799906U - Three-stage reduction gear box structure

Info

Publication number: CN210799906U
Application number: CN201921665612.7U
Authority: CN
Inventors: 罗云益; 袁军
Original assignee: Zhongshan Zhilixing Motor Co ltd
Current assignee: Zhongshan Zhilixing Motor Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-19
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a tertiary reduction gear structure includes gear box and motor, be provided with one in the gear box by motor drive's first gear, be provided with one in the gear box by first gear drive's second gear, still be provided with a third gear by second gear drive in the gear box, the diameter of first gear, second gear and third gear increases in proper order, and the outside of gear box is provided with one by third gear drive's link mechanism, relates to gear drive technical field. This tertiary reduction gear box structure sets up three gear that meshes in proper order in the gear box, and the diameter of three gear increases in proper order, and the third gear passes through link mechanism drive output shaft to realize tertiary speed reduction, replaced current gear box through the speed reduction mode of motor turbine cooperation reduction gear through the gear cooperation, tertiary speed reduction has enlarged the adjustable scope of speed ratio, can reach higher or lower speed ratio, can satisfy different user demands.

Description

Three-stage reduction gear box structure

Technical Field

The utility model relates to a gear drive technical field, in particular to tertiary reduction gear box structure.

Background

The utility model relates to a banister is also known as car stopper is the passageway access & exit management equipment that is used for limiting the motor vehicle on the road specially, and present wide application is in highway toll station, parking area system management vehicle passageway for the discrepancy of management vehicle.

The barrier gate generally comprises parts such as gear box, drive mechanism, balancing unit, quick-witted case, brake lever support and brake lever, and the gear box that traditional barrier gate used generally is the second grade speed reduction in the existing market to join in marriage reduction gear through the motor turbine and realize the speed reduction, the rotational speed ratio that can accomplish in the operation process has reached certain limit, can't reach higher or lower rotational speed ratio, needs lower or higher rotational speed ratio to satisfy market and customer's demand.

Therefore, how to change the structure of the gear box, improve the transmission mode and the speed reduction effect, realize different speed reduction effects, and enlarge the range of the rotating speed ratio so as to meet different use requirements is a technical problem to be solved urgently in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tertiary reduction gear structure aims at changing the structure of gear box, improves its drive mode and speed reduction effect, can realize different speed reduction effects, enlarges the scope of rotational speed ratio to satisfy different use needs.

The utility model provides a tertiary reduction gear structure, including gear box and motor, be provided with one in the gear box by motor drive's first gear, be provided with one in the gear box by first gear drive's second gear, still be provided with one in the gear box by second gear drive's third gear, the diameter of first gear, second gear and third gear increases in proper order, the outside of gear box be provided with one by third gear drive's link mechanism, the top of gear box rotationally runs through an output shaft, the one end of output shaft is fixed extremely on the link mechanism, the output shaft passes through link mechanism by third gear drive.

Preferably, a first gear shaft is fixed at the center of the first gear, the first gear shaft is rotatably arranged inside the gear box, and the second gear is meshed with the first gear shaft.

Preferably, a second gear shaft is fixed at the center of the second gear, the second gear shaft is rotatably arranged inside the gear box, and the third gear is meshed with the second gear shaft.

Preferably, a third gear shaft is arranged at the center of the third gear, one end of the third gear shaft extends to the outside of the gear box, and one end of the third gear shaft, which is located at the outside of the gear box, is fixedly connected with the link mechanism.

Preferably, the link mechanism includes a first link fixed to an outer end of the third gear shaft and a third link fixed to one end of the output shaft, a second link is rotatably disposed at one end of the first link, and the other end of the second link is rotatably disposed on the third link.

Preferably, the outer wall of the gear box is provided with a limiting column capable of limiting the connecting rod mechanism.

The utility model discloses set up three gear that mesh in proper order in the gear box, the diameter of three gear increases in proper order, and the third gear passes through link mechanism drive output shaft to realize tertiary speed reduction, replaced current gear box through the speed reduction mode of motor turbine cooperation reduction gear through the gear cooperation, tertiary speed reduction has enlarged the adjustable scope of speed ratio, can reach higher or lower speed ratio, can satisfy different use needs; stable in structure, can not produce great noise in the operation process, the working property is outstanding.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. the gear box comprises a gear box body, 2, a motor, 3, a first gear, 4, a second gear, 5, a third gear, 6, a connecting rod mechanism, 61, a first connecting rod, 62, a second connecting rod, 63, a third connecting rod, 7, an output shaft, 8, a limiting column, 9, a connecting hole, 10 and a mounting hole.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, an embodiment of the present invention is provided, which is a three-stage reduction gear box structure, including a gear box 1 and a motor 2, wherein the gear box 1 is provided with a connecting hole 9 for installing the motor 2 and a mounting hole 10 for installing the gear box 1 on a chassis. The motor can be a direct current motor, stepless speed regulation is guaranteed, ultralow noise is achieved, meanwhile, a conventional alternating current motor can be used, a larger torque can be provided by using the alternating current motor, and operation of the heavy rod and the long fence is guaranteed.

A first gear 3 driven by a motor 2 is arranged in the gear box 1, the output shaft of the motor 2 is meshed with the surface of the first gear 3 to drive the first gear 3 to rotate, and the diameter of the first gear 3 is far larger than that of the output shaft of the motor 2, so that first-stage speed reduction is realized.

A first gear shaft 31 is fixed at the center of the first gear 3, the first gear shaft 31 is rotatably disposed inside the gear box 1, the diameter of the first gear shaft 31 is much smaller than that of the first gear 3, and the first gear shaft 31 and the first gear 3 rotate synchronously at the same rotation speed.

A second gear 4 driven by the first gear 3 is provided in the gear housing 1, and the second gear 4 is engaged with the first gear shaft 31. An output shaft of the motor 2 drives the first gear 3 to rotate, the first gear 3 rotates to drive the first gear shaft 31 with a smaller diameter to rotate, and the first gear shaft 31 drives the second gear 4 to rotate. The diameter difference between the first gear shaft 31 and the second gear 4 is large, so that the rotating speed of the second gear 4 is smaller than that of the first gear shaft 31 and the first gear 3, and the second-stage speed reduction is realized.

The gear box 1 is also provided with a third gear 5 driven by the second gear 4, a second gear shaft 41 is fixed at the center of the second gear 4, the second gear shaft 41 is rotatably arranged inside the gear box 1, and the third gear 5 is meshed with the second gear shaft 41. The diameter of the second gear shaft 41 is much smaller than that of the second gear 4, and rotates synchronously with the second gear 4 at the same rotation speed.

The diameter of the second gear shaft 41 is much smaller than that of the third gear 5, and the third gear 5 is driven by the second gear shaft 41 to rotate, so that the rotating speed of the third gear 5 is smaller than that of the second gear shaft 41 and the second gear 4, and the third-stage speed reduction is realized.

The diameters of the first gear 3, the second gear 4 and the third gear 5 increase in order. The diameters of the first gear shaft 31, the second gear shaft 41, and the third gear shaft 51 may be the same or may be increased in order.

The gear box 1 is provided with a link mechanism 6 driven by a third gear 5 at the outside thereof, a third gear shaft 51 is provided at the center of the third gear 5, and one end of the third gear shaft 51 extends to the outside of the gear box 1. One end of the third gear shaft 51, which is positioned outside the gear box 1, is fixedly connected with the link mechanism 6, an output shaft 7 is rotatably penetrated above the gear box 1, and the output shaft 7 and the third gear shaft 51 are arranged in the same direction and are parallel to each other with the third gear shaft 51.

The output shaft 7 is connected with one end of the brake bar, and the output shaft 7 rotates to drive the brake bar to rotate, so that the brake bar is lifted and falls. One end of the output shaft 7 is fixed to the link mechanism 6, and the output shaft 7 is driven by the third gear 5 through the link mechanism 6.

The link mechanism 6 includes a first link 61 fixed to an outer end of the third gear shaft 51 and a third link 63 fixed to an end of the output shaft 7, one end of the first link 61 is fixed to the outer end of the third gear shaft 51, a second link 62 is rotatably provided on one end of the first link 61, the other end of the second link 62 is rotatably provided on the third link 63, and one end of the third link 63 is fixed to one end of the output shaft 7.

After the third gear shaft 51 is decelerated at three levels, the rotating speed is reduced to a lower level, the third gear shaft 51 drives the first connecting rod 61 to rotate, the first connecting rod 61 rotates, the position connected with one end of the second connecting rod 62 rotates, the second connecting rod 62 is driven to obliquely swing, and the position of the other end of the second connecting rod 62 is changed, so that the third connecting rod 63 is driven to swing around the output shaft 7, the output shaft 7 is driven to rotate at an extremely low speed in the gear box 1, and the brake lever is driven to rise and fall.

Be provided with on gear box 1's the outer wall and carry out spacing post 8 to link mechanism 6, spacing post 8 can be by two, spacing post 8 can restrict the scope of second connecting rod 62 slope swing, make second connecting rod 62 can only swing at certain extent, make third connecting rod 63 can only use output shaft 7 to swing certain range as the centre of a circle, make output shaft 7 can't rotate a week, can only rotate at certain angle within range, can only drive the brake lever at certain angle internal rotation, it rises to drive, the whereabouts, avoid the too big brake lever upset to the opposite side that leads to of turned angle.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A three-stage reduction gearbox structure comprises a gearbox (1) and a motor (2), it is characterized in that a first gear (3) driven by the motor (2) is arranged in the gear box (1), a second gear (4) driven by the first gear (3) is arranged in the gear box (1), a third gear (5) driven by the second gear (4) is also arranged in the gear box (1), the diameters of the first gear (3), the second gear (4) and the third gear (5) are increased in sequence, a link mechanism (6) driven by the third gear (5) is arranged outside the gear box (1), an output shaft (7) is rotatably penetrated above the gear box (1), one end of the output shaft (7) is fixed to the link mechanism (6), the output shaft (7) is driven by the third gear (5) through the link mechanism (6).

2. The three-stage reduction gearbox structure according to claim 1, wherein a first gear shaft (31) is fixed at the center of the first gear (3), the first gear shaft (31) is rotatably arranged inside the gearbox (1), and the second gear (4) is meshed with the first gear shaft (31).

3. Three-stage reduction gearbox arrangement according to claim 1, characterised in that a second gear shaft (41) is fixed in the centre of the second gear (4), the second gear shaft (41) being rotatably arranged inside the gearbox (1), the third gear (5) being in gear with the second gear shaft (41).

4. The three-stage reduction gearbox structure according to claim 1, wherein a third gear shaft (51) is arranged at the center of the third gear (5), one end of the third gear shaft (51) extends to the outside of the gearbox (1), and one end of the third gear shaft (51) located at the outside of the gearbox (1) is fixedly connected with the link mechanism (6).

5. The three-stage reduction gearbox structure according to claim 4, wherein the link mechanism (6) comprises a first link (61) fixed to an outer end of the third gear shaft (51) and a third link (63) fixed to one end of the output shaft (7), the first link (61) having a second link (62) rotatably provided at one end thereof, the second link (62) having the other end rotatably provided to the third link (63).

6. Three-stage reduction gearbox structure according to claim 1, characterized in that the outer wall of the gearbox (1) is provided with a limit post (8) which can limit the linkage mechanism (6).