CN210265701U

CN210265701U - Improved transverse two-stage speed reducer core structure

Info

Publication number: CN210265701U
Application number: CN201921100793.9U
Authority: CN
Inventors: 肖勇善
Original assignee: Guangdong Ankuai Intelligent Science & Technology Co ltd
Current assignee: Guangdong Ankuai Intelligent Science & Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-07
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses an improved horizontal two-stage speed reducer core structure, which comprises a motor, a speed reducer casing, a worm wheel, an output shaft and a main shaft, wherein one side of the speed reducer casing is provided with a motor mounting hole, the motor is arranged in the motor mounting hole, and a gear shaft of the motor is meshed with a speed reducing gear; an output shaft mounting hole and a main shaft mounting hole are formed in the speed reduction casing, the output shaft is mounted in the output shaft mounting hole, the main shaft is mounted in the main shaft mounting hole, and the main shaft is connected with the output shaft through a four-bar structure. The utility model discloses an output gear shaft of motor forms the second grade speed reduction structure with driven gear and worm gear, can effectively reduce the volume of speed reducer like this, and the dead eye of main shaft and speed reducer casing integrated processing form have improved the precision of part, are favorable to mechanical structure steady operation; the motor is transversely arranged, a large amount of space in the box body can be saved, the size of the machine core is reduced to the maximum extent, and larger space support is provided for installing other parts in the machine box.

Description

Improved transverse two-stage speed reducer core structure

Technical Field

The utility model relates to a banister accessory technical field, concretely relates to horizontal second grade banister speed reducer core structure for controlling lifting of banister pole.

Background

Along with the development of economy and the improvement of the living standard of people, more and more motor vehicles are used, and the access door with the barrier gate is more and more widely applied to main entrances and exits of places such as unit colleges, parking lots, residential districts, campuses and the like. The gate rod of the barrier gate is usually installed on a machine core with a motor and a speed reducer, and the lifting or the lowering of the gate rod is realized by controlling the work of the motor through a control system. The traditional barrier gate mainly adopts gear transmission to realize the purpose of speed reduction, and in order to achieve a relatively ideal speed reduction effect, a multi-stage gear speed reduction mode needs to be adopted, so that the performance indexes of a transmission mechanism in the aspects of volume, stability, precision and the like are not ideal enough. For this reason, manufacturers in the industry including the applicant have started to adopt a four-bar linkage structure to solve the problems of gear transmission, but a movement for driving the four-bar linkage structure is required to be precise, and the four-bar linkage structure must be driven by an output shaft, a main shaft is driven by the four-bar linkage structure, and a brake lever is driven by the main shaft. The existing machine cores have the following problems that firstly, a motor and a speed reducer are designed into a vertically aligned structure, and due to the fact that the space in a machine case is small, other parts are not easy to install below the motor, and design and assembly of structural components at the later stage are not facilitated; secondly, the main shaft of traditional core is installed on the bearing frame, and the bearing frame is fixed on the core fixed plate again, can cause more machining error and accumulative error like this, leads to the post-assembly error great.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the defect that prior art exists, provide a structural design more reasonable, can improve quick-witted incasement portion space utilization, assembly precision is higher, the horizontal second grade reduction core structure of improvement.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a horizontal second grade speed reduction core structure of improvement, including motor, reduction casing, worm wheel, output shaft and main shaft, the worm is connected with the motor, worm wheel and worm meshing, and the output shaft is connected fixedly with the worm wheel, its characterized in that: a motor mounting hole is formed in one side of the speed reducing shell, the motor is transversely mounted in the motor mounting hole, a gear shaft transversely extends out of the motor and is meshed with a speed reducing gear through the gear shaft, the speed reducing gear is mounted at the tail end of a worm, and the worm is parallel to the gear shaft of the motor; an output shaft mounting hole and a main shaft mounting hole are arranged on the front face of the speed reducing machine shell in an up-and-down arrangement mode, the output shaft is mounted in the output shaft mounting hole, the main shaft is mounted in the main shaft mounting hole and is perpendicular to the worm wheel, the output shaft and the main shaft face to the front of the speed reducing machine shell, and the main shaft is connected with the output shaft through a four-bar structure.

The front part of the output shaft is provided with an oil seal which is tightly attached to the outer surface of the worm wheel; the rear end of the output shaft is mounted in the speed reduction casing through a bearing and is sealed in the speed reduction casing through an end cover.

An oil seal is arranged at the position close to the inner side surface of the reduction gear, a bearing is arranged on the inner side of the oil seal, the end of the worm is installed in the reduction casing through the bearing, and the other end of the worm is installed in the reduction casing through another bearing and another oil seal.

The front section and the rear section of the main shaft are respectively installed in a main shaft installation hole of the speed reduction casing through bearings, clamping grooves are formed in the main shaft outside the front bearing and the rear bearing, clamping springs are respectively clamped in the clamping grooves, and the clamping springs block the bearings in the speed reduction casing to play a limiting role.

The worm is arranged between the output shaft and the main shaft, the main shaft is located above the worm, the output shaft is located below the main shaft, and the main shaft and the output shaft are aligned up and down.

The utility model discloses an output gear shaft and the driven gear of motor form first level speed reduction, and then realize the second level through the worm gear speed reduction, can effectively reduce the volume of speed reducer like this, and the dead eye of main shaft and speed reducer casing integrated processing shaping have improved the precision of part, are favorable to mechanical structure steady operation; meanwhile, the motor is matched to be transversely arranged, a large amount of space in the box body can be saved, later structural member design and assembly are facilitated, the size of the machine core is reduced to the maximum extent, and larger space support is provided for installing other parts in the machine box.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a side sectional view of the present invention.

In the figure, 1 is a motor, 2 is a reduction casing, 3 is a worm, 4 is a reduction gear, 5 is a worm wheel, 6 is an output shaft, 7 is a main shaft, 8 is an end cover, 9 is a bearing, 10 is an oil seal, 11 is a gear shaft, 12 is a bearing, 13 is a bearing, 14 is an oil seal, 15 is a snap spring, 16 is a bearing, 17 is a snap spring, 18 is a bearing, 19 is an oil seal, 21 is a motor mounting hole, 22 is an output shaft mounting hole, and 23 is a main shaft mounting hole.

Detailed Description

In this embodiment, referring to fig. 1, fig. 2 and fig. 3, the improved horizontal two-stage reduction movement structure includes a motor 1, a reduction casing 2, a worm 3, a worm wheel 5, an output shaft 6 and a main shaft 7, the worm 3 is connected with the motor 1, the worm wheel 5 is engaged with the worm 3, and the output shaft 6 is connected and fixed with the worm wheel 3; a motor mounting hole 21 is formed in one side of the speed reducing casing 2, the motor 1 is transversely mounted in the motor mounting hole 21, a gear shaft 11 transversely extends out of the motor 1, a speed reducing gear 4 is meshed through the gear shaft 11, the speed reducing gear 4 is mounted at the tail end of the worm 3, and the worm 3 is parallel to the gear shaft 11 of the motor 1; an output shaft mounting hole 22 and a main shaft mounting hole 23 are formed in the front surface of the reduction casing 2 in an up-down arrangement, the output shaft 6 is mounted in the output shaft mounting hole 22, the main shaft 7 is mounted in the main shaft mounting hole 23, both are perpendicular to the worm wheel 3, the output shaft 6 and the main shaft 7 face the front of the reduction casing 2, and the main shaft 7 is connected to the output shaft 6 through a four-bar linkage structure (not shown).

The front part of the output shaft 6 is provided with an oil seal 19, and the oil seal 19 is tightly attached to the outer surface of the worm wheel 5; the rear end of the output shaft 6 is mounted in the reduction housing 2 through a bearing 9 and is enclosed inside the reduction housing 2 through an end cap 8.

An oil seal 10 is provided at a position close to the inner side face of the reduction gear 4, the inner side of the oil seal 10 is provided with a bearing 12, the end of the worm 3 is mounted in the reduction casing 2 through the bearing 12, and the other end of the worm 3 is mounted in the reduction casing 2 through another bearing 13 and another oil seal 14.

The front section and the rear section of the main shaft 7 are respectively installed in a main shaft installation hole 23 of the speed reduction machine shell 2 through

bearings

15 and 17, clamping grooves are formed in the main shaft 7 on the outer sides of the front bearing 15 and the rear bearing 17, clamping

springs

16 and 18 are respectively clamped in the clamping grooves, and the

bearings

15 and 17 are blocked in the speed reduction machine shell 2 by the

clamping springs

16 and 18 to play a limiting role.

The worm 3 is arranged between an output shaft 6 and a main shaft 7, the main shaft 7 is positioned above the worm 3, the output shaft 6 is positioned below the main shaft 7, and the main shaft 7 is vertically aligned with the output shaft 6.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a horizontal second grade speed reduction core structure of improvement, including motor, reduction casing, worm wheel, output shaft and main shaft, the worm is connected with the motor, worm wheel and worm meshing, and the output shaft is connected fixedly with the worm wheel, its characterized in that: a motor mounting hole is formed in one side of the speed reducing shell, the motor is transversely mounted in the motor mounting hole, a gear shaft transversely extends out of the motor and is meshed with a speed reducing gear through the gear shaft, the speed reducing gear is mounted at the tail end of a worm, and the worm is parallel to the gear shaft of the motor; an output shaft mounting hole and a main shaft mounting hole are arranged on the front face of the speed reducing machine shell in an up-and-down arrangement mode, the output shaft is mounted in the output shaft mounting hole, the main shaft is mounted in the main shaft mounting hole, the output shaft and the main shaft are perpendicular to the worm wheel, and the output shaft and the main shaft face to the front of the speed reducing machine shell.

2. An improved transverse two-stage reduction movement structure according to claim 1, characterized in that: the front part of the output shaft is provided with an oil seal which is tightly attached to the outer surface of the worm wheel; the rear end of the output shaft is mounted in the speed reduction casing through a bearing and is sealed in the speed reduction casing through an end cover.

3. An improved transverse two-stage reduction movement structure according to claim 1, characterized in that: an oil seal is arranged at the position close to the inner side surface of the reduction gear, a bearing is arranged on the inner side of the oil seal, the end of the worm is installed in the reduction casing through the bearing, and the other end of the worm is installed in the reduction casing through another bearing and another oil seal.

4. An improved transverse two-stage reduction movement structure according to claim 1, characterized in that: the front section and the rear section of the main shaft are respectively installed in a main shaft installation hole of the speed reduction machine shell through bearings, clamping grooves are formed in the main shaft on the outer sides of the front bearing and the rear bearing, clamping springs are respectively clamped in the clamping grooves, and the bearings are blocked in the speed reduction machine shell through the clamping springs.

5. An improved transverse two-stage reduction movement structure according to claim 1, characterized in that: the worm is arranged between the output shaft and the main shaft, the main shaft is located above the worm, the output shaft is located below the main shaft, and the main shaft and the output shaft are aligned up and down.