CN217328300U

CN217328300U - Coaxial speed reducer

Info

Publication number: CN217328300U
Application number: CN202123406553.1U
Authority: CN
Inventors: 朱延波
Original assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Current assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-30
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a coaxial reducer relates to the speed reducer field, including mount pad, box and access panel, the mount pad upper surface is equipped with the box, the activity of box top is equipped with the access panel, box one side surface rotates and is equipped with power output shaft, box opposite side surface middle part rotates and is equipped with power input shaft, power input shaft's one end is connected with drive gear, the meshing of drive gear both sides is connected with transmission gear group, power output shaft's one end is connected with driven gear, driven gear both sides are meshed with transmission gear group and are linked to each other, transmission gear group is linked to each other by pinion and gear wheel, the pinion meshes with driven gear and links to each other; this is novel with solving steel mill with coaxial type reduction gear need export bigger torsion in the use, and current coaxial type reduction gear adopts singly to organize the gear transmission, the problem that tooth fracture phenomenon takes place easily when transmitting great torsion.

Description

Coaxial speed reducer

Technical Field

The utility model relates to a speed reducer field specifically relates to a coaxial type reduction gear.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between the prime motor and the working machine or the actuating mechanism, is relatively precise machinery, and aims to reduce the rotating speed by using the speed reducer; according to different transmission stages, the shape of the wheel can be divided into a single-stage speed reducer and a multi-stage speed reducer, and the wheel can be divided into a cylindrical gear speed reducer, a conical gear speed reducer and a conical-cylindrical gear leading wheel speed reducer; the coaxial speed reducer can be divided into an expanded speed reducer, a split speed reducer and a coaxial speed reducer according to the arrangement form of transmission, and can be used for mechanical transmission in industries such as metallurgy, mine, transportation, energy, building materials, lightening and the like.

The coaxial speed reducer for the steel mill needs to output larger torque in the using process, and the conventional coaxial speed reducer adopts single-group gear transmission, so that the tooth fracture phenomenon is easy to occur when larger torque is transmitted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provides a coaxial speed reducer, and the coaxial speed reducer solves the problem that a larger torque force needs to be output in the using process of the coaxial speed reducer for a steel mill, and the conventional coaxial speed reducer adopts a single group of gears for transmission, so that the tooth fracture phenomenon is easy to occur when the larger torque force is transmitted.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a coaxial-type reduction gear, includes mount pad, box and access panel, the mount pad upper surface is equipped with the box, the activity of box top is equipped with the access panel, box side surface rotates and is equipped with power output shaft, box opposite side surface middle part rotates and is equipped with the power input shaft, the one end of power input shaft is connected with drive gear, the meshing of drive gear both sides is connected with drive gear group, power output shaft's one end is connected with driven gear, the driven gear both sides link to each other with drive gear group meshing, drive gear group is linked to each other by pinion and gear wheel, the pinion links to each other with driven gear meshing, the gear wheel links to each other with drive gear meshing.

As an optimal technical scheme of the utility model, drive gear is the same with pinion diameter, driven gear links to each other with gear wheel diameter.

As an optimal technical scheme of the utility model, the box inner chamber middle part is equipped with the spacing seat of bearing, the spacing seat of bearing links to each other with driven gear and power output shaft activity.

As an optimal technical scheme of the utility model, the transmission shaft has all been welded at transmission gear group both ends, the shifting chute has been seted up to the equal symmetry in both sides surface at box inner chamber both ends.

As a preferred technical scheme of the utility model, transmission shaft one end is all rotated and is connected with the bearing frame, the bearing frame is located the shifting chute inner chamber.

As a preferred technical scheme of the utility model, the equal screw thread through connection in box both ends middle part has the hand wheel, hand wheel one end swing joint has the link, transmission gear organizes middle part movable sleeve to be equipped with the bearing housing, bearing housing and bearing frame all link to each other with the link.

Compared with the prior art, the beneficial effects of the utility model reside in that: the drive gear both sides link to each other with the gear wheel meshing of drive gear group respectively, the drive to drive gear group is realized, drive gear group accessible pinion drives driven gear, driven gear can drive power output shaft and rotate, wherein drive gear is the same with the pinion diameter, driven gear links to each other with the gear wheel diameter, thereby can amplify drive arrangement's output power at driven in-process, the transmission in-process is mutually supported simultaneously to transmitting power input shaft torsional force through two sets of drive gear groups and is transmitted, can make the speed reducer can bear bigger torsion in the use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is a schematic diagram of the internal structure of the box body.

The reference numbers in the figures are:

1. a mounting seat; 101. a box body; 102. an access panel;

2. a power take-off shaft; 201. a power input shaft; 202. a driven gear; 203. a drive gear set; 204. a pinion gear; 205. a bull gear; 206. a drive gear;

3. a bearing limit seat;

4. a drive shaft; 401. a bearing seat; 402. a moving groove; 403. a connecting frame; 404. a bearing housing; 405. a handwheel.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-4, a coaxial reducer comprises a mounting base 1, a box 101 and an access panel 102, wherein the box 101 is arranged on the upper surface of the mounting base 1, the access panel 102 is movably arranged on the top of the box 101, a power output shaft 2 is rotatably arranged on one side surface of the box 101, a power input shaft 201 is rotatably arranged in the middle of the other side surface of the box 101, one end of the power input shaft 201 is connected with a driving gear 206, two sides of the driving gear 206 are connected with a transmission gear set 203 in a meshed manner, one end of the power output shaft 2 is connected with a driven gear 202, two sides of the driven gear 202 are connected with the transmission gear set 203 in a meshed manner, the transmission gear set 203 is connected with a large gear 205 through a small gear 204, the small gear 204 is connected with the driven gear 202 in a meshed manner, the large gear 205 is connected with the driving gear 206 in a meshed manner, the driving gear 206 has the same diameter as the small gear 204, and the driven gear 202 is connected with the large gear 205 in diameter, the transmission gear set 203 has transmission shafts 4 welded at both ends, moving grooves 402 are symmetrically arranged on both side surfaces of both ends of the inner cavity of the box body 101, one end of each transmission shaft 4 is rotatably connected with a bearing seat 401, the bearing seat 401 is positioned in the inner cavity of the moving groove 402, a hand wheel 405 is threaded through and connected with the middle part of both ends of the box body 101, one end of the hand wheel 405 is movably connected with a connecting frame 403, a bearing sleeve 404 is movably sleeved on the middle part of the transmission gear set 203, the bearing sleeve 404 and the bearing seat 401 are both connected with the connecting frame 403, a mounting seat 1 is arranged at the bottom of the box body 101, the box body 101 can be mounted and fixed through the mounting seat 1, an access panel 102 is arranged at the top of the box body 101, an operator can conveniently maintain and replace accessories in the inner cavity of the box body 101 after the access panel 102 is dismounted, an external driving device is connected with the power input shaft 201, the driving device can drive the driving device to drive the driving gear 206 through the connection of the power input shaft 201, both sides of the driving gear 206 are respectively meshed with the large gear 205 of the transmission gear set 203, the driving of the transmission gear set 203 is realized, the transmission gear set 203 can drive the driven gear 202 through the pinion 204, the driven gear 202 can drive the power output shaft 2 to rotate, wherein the diameters of the driving gear 206 and the pinion 204 are the same, the driven gear 202 is connected with the diameter of the bull gear 205, so that the output power of the driving device can be amplified in the transmission process, the two sets of transmission gear sets 203 are mutually matched and simultaneously transmit the torsional force transmitted to the power input shaft 201 in the transmission process, the speed reducer can bear larger torsional force in the use process, when large torsional force is not required to be output, the lead screw on the hand wheel 405 can drive the connecting frame 403 to move under the action of surface threads by rotating one set of hand wheel 405, the connecting frame 403 can drive the transmission gear set 203 to move through the bearing sleeve 404 and the bearing seat 401, and the transmission gear set 203 can be separated from the driven gear 202 and the driving gear 206, therefore, the power transmission between one set of transmission gear set 203 and the driven gear 202 and the driving gear 206 is cut off, the transmission gear set 203 is used for transmission alternately to reduce the abrasion between the transmission gear set 203 and the driven gear 202 and the driving gear 206, and meanwhile, the hand wheel 405 is rotated, so that the two sets of transmission gear sets 203 can be separated from the driven gear 202 and the driving gear 206 simultaneously to cut off the power transmission, and the use is more flexible.

Referring to fig. 4, a bearing limiting seat 3 is arranged in the middle of an inner cavity of the box 101, the bearing limiting seat 3 is movably connected with the driven gear 202 and the power output shaft 2, and the bearing limiting seat 3 can simultaneously position the driven gear 202 and the power output shaft 2, so that the stability of the driven gear 202 and the power output shaft 2 during rotation can be improved.

The working principle is as follows: in the transmission process, the two groups of transmission gear sets 203 are mutually matched to transmit the torsional force transmitted to the power input shaft 201 at the same time, so that the speed reducer can bear larger torsional force in the use process, when large torque output is not needed, by rotating one group of handwheels 405, the lead screw on the handwheels 405 can drive the connecting frame 403 to move under the action of surface threads, the connecting frame 403 can drive the transmission gear set 203 to move through the bearing sleeve 404 and the bearing seat 401 at the same time, so that the transmission gear set 203 can be separated from the driven gear 202 and the driving gear 206, thereby cutting off the power transmission of one of the sets of transmission gears 203 with the driven gear 202 and the drive gear 206, by alternately using the drive gear set 203 for transmission, to reduce wear between the drive gear set 203 and the driven gear 202 and drive gear 206, simultaneously, the hand wheel 405 is rotated to separate the two sets of transmission gear sets 203 from the driven gear 202 and the driving gear 206 at the same time, so that power transmission can be cut off.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coaxial type reduction gear, includes mount pad (1), box (101) and access panel (102), mount pad (1) upper surface is equipped with box (101), box (101) top activity is equipped with access panel (102), its characterized in that: the utility model discloses a power transmission device, including box (101), drive gear (206), drive gear (203), driven gear (202) both sides and drive gear group (203), the one end of power output shaft (2) is connected with drive gear (206), the meshing of drive gear (206) both sides is connected with drive gear group (203), the one end of power output shaft (2) is connected with driven gear (202), driven gear (202) both sides link to each other with drive gear group (203) meshing, drive gear group (203) link to each other by pinion (204) and gear wheel (205), pinion (204) link to each other with driven gear (202) meshing, gear wheel (205) link to each other with drive gear (206) meshing.

2. The coaxial type speed reducer according to claim 1, wherein: the driving gear (206) and the small gear (204) are the same in diameter, and the driven gear (202) is connected with the large gear (205) in diameter.

3. The coaxial type speed reducer according to claim 1, wherein: the middle part of the inner cavity of the box body (101) is provided with a bearing limiting seat (3), and the bearing limiting seat (3) is movably connected with the driven gear (202) and the power output shaft (2).

4. The coaxial type speed reducer according to claim 1, wherein: transmission gear group (203) both ends all weld transmission shaft (4), shifting chute (402) have all been seted up to the equal symmetry in both sides surface at box (101) inner chamber both ends.

5. The coaxial type speed reducer according to claim 4, wherein: one end of the transmission shaft (4) is rotatably connected with a bearing seat (401), and the bearing seat (401) is located in an inner cavity of the movable groove (402).

6. The coaxial type speed reducer according to claim 5, wherein: equal screw thread through connection in box (101) both ends middle part has hand wheel (405), hand wheel (405) one end swing joint has link (403), drive gear group (203) middle part movable sleeve is equipped with bearing housing (404), bearing housing (404) and bearing frame (401) all link to each other with link (403).