CN211175239U

CN211175239U - Speed reducer with high stability

Info

Publication number: CN211175239U
Application number: CN201922052323.6U
Authority: CN
Inventors: 李斌锐
Original assignee: Tianjin Robox Transmission Technology Co ltd
Current assignee: Tianjin Robox Transmission Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-04
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a speed reducer with strong stability, which belongs to the field of planetary speed reducers and comprises a casing and a clamping cover, wherein the casing is fixedly connected with the clamping cover through bolts, one side of the casing is fixedly sleeved with a bearing, the inside of the bearing is fixedly sleeved with an input shaft, the outside of one end of the input shaft is fixedly sleeved with a sun gear, the inner side of the casing is fixedly sleeved with an inner gear ring, the inner side of the casing is fixedly connected with a clamping sleeve, and the inside of the clamping sleeve is movably sleeved with a tray; this speed reducer that stability is strong through setting up position sleeve, connecting plate, draw-in groove and locating piece, can not only disperse the play power that the output shaft rotated and brought when this speed reducer moves, also can play the effect of location to the output shaft in addition, has strengthened the driven stability of output shaft, has avoided the output shaft because of rocking the too big problem that can't bear the weight of article of dynamics to the bearing capacity of this speed reducer has been improved.

Description

Speed reducer with high stability

Technical Field

The utility model belongs to the technical field of planetary reducer, concretely relates to speed reducer that stability is strong.

Background

The planetary reducer is a transmission mechanism, which can reduce the rotation speed of the motor and increase the output torque, and its structure is tightly combined with the gear box shell by an inner gear ring, the center of the ring gear is provided with a sun gear driven by external power, a set of planetary gear set composed of three gears on the tray is arranged between the two, the planetary reducer can be used as a matching component for industries such as lifting, digging, transportation and building; however, in the use process of most of existing planetary speed reducers, because the output shaft can be connected with an external object, and a positioning device is not arranged outside the output shaft, the output shaft is easy to shake when rotating, so that the output shaft is not stable enough in transmission and low in bearing capacity, and therefore a speed reducer with high stability is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed reducer that stability is strong to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a speed reducer with strong stability comprises a machine shell and a clamping cover, wherein the machine shell is fixedly connected with the clamping cover through bolts, a bearing is fixedly sleeved on one side of the machine shell, an input shaft is fixedly sleeved inside the bearing, a sun gear is fixedly sleeved outside one end of the input shaft, an inner gear ring is fixedly sleeved on the inner side of the machine shell, a jacket is fixedly connected on the inner side of the machine shell, a tray is movably sleeved inside the jacket, a rubber pad is fixedly connected on the inner side of the jacket, a supporting rod is fixedly connected on one side of the tray, a planetary gear is fixedly sleeved outside the supporting rod, the outer edge of the planetary gear is respectively meshed with the outer edge of the sun gear and the inner edge of the inner gear ring, an output shaft is fixedly connected in the middle of the other side of the tray, the output shaft is movably sleeved inside the clamping cover, and a positioning sleeve is movably sleeved outside the output shaft, the outside fixedly connected with connecting plate of position sleeve, and the inside of position sleeve has seted up the draw-in groove, the inside joint of draw-in groove has the locating piece.

Adopt above-mentioned scheme, through input power to the input shaft, when making the input shaft take place to rotate, can drive sun gear and take place to rotate, three planetary gear can take place to rotate at the inboard of ring gear under sun gear's drive this moment, and it takes place to rotate to drive the tray, and the rotation of tray can drive the output shaft and take place to rotate, thereby make the output shaft take place the transmission, when the output shaft is when rotatory rocking, the locating piece can utilize the elasticity performance of self to take place the shrink, and the inner wall of extrusion position sleeve, but because the shrink deformation volume of locating piece is less, can contact with the side of output shaft, not only dispersed the power of shaking of output shaft, and also played the effect of location to the output shaft, thereby the driven stationarity of output shaft has been guaranteed.

In a preferred embodiment, the shape of the jacket is circular arc, and the number of the jackets is two, and the two jackets are symmetrical to each other with the central axis of the tray as a center of symmetry.

Adopt above-mentioned scheme, through pressing from both sides the cover, when the income power axle takes place to rotate under the drive of motor, can drive sun gear and take place to rotate to make the tray take place to rotate, press from both sides the cover this moment and can play the effect of injecing to tray rotation range.

In a preferred embodiment, one side of the rubber pad is fixedly bonded to the inner side of the jacket by an adhesive, and the other side of the rubber pad is in contact with the side surface of the tray.

By adopting the scheme, through the rubber pad, when the tray rotates, the side surface of the tray can slide relative to one side of the rubber pad, so that the tray is positioned, the problem of deviation of the movement direction of the tray is avoided, and the rotating stability of the tray is ensured.

In a preferred embodiment, the number of the planetary gears is three, the size of the three planetary gears is equal, and the three planetary gears are distributed in a triangular shape.

Adopt above-mentioned scheme, through planetary gear, when the income power axle takes place to rotate, can drive sun gear and take place to rotate, three planetary gear can take place to rotate at the inboard of ring gear under sun gear's drive this moment to drive the tray and take place to rotate, and the rotation of tray can drive the output shaft and take place to rotate, thereby makes the output shaft take place the transmission.

As a preferred embodiment, the positioning sleeve is in the shape of a cylinder with a hollow middle part, and the outside of the positioning sleeve is fixedly connected with the inner wall of the casing through a connecting plate.

By adopting the scheme, when the output shaft rotates, the locating sleeve can limit the output shaft outside the output shaft through the locating sleeve, so that the problem of large-amplitude shaking and deviation of the output shaft is avoided, and the output shaft can rotate in the original position.

In a preferred embodiment, the positioning block is made of rubber, the bottom end of the positioning block is in the shape of a circular arc, and the bottom of the positioning block is in contact with the outer portion of the output shaft.

Adopt above-mentioned scheme, through the locating piece, when the output shaft is rotatory when rocking, the locating piece can utilize the elastic property of self to take place the shrink to the inner wall of extrusion position sleeve, nevertheless because the shrink deformation volume of locating piece is less, can contact with the side of output shaft, not only dispersed the power of shaking of output shaft, also played the effect of location to the output shaft moreover, thereby guaranteed the driven stationarity of output shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

the speed reducer with strong stability can not only disperse shaking force caused by rotation of the output shaft, but also play a role in positioning the output shaft by arranging the positioning sleeve, the connecting plate, the clamping groove and the positioning block when the speed reducer runs, thereby enhancing the transmission stability of the output shaft, avoiding the problem that the output shaft cannot bear overweight objects due to overlarge shaking force, and further improving the bearing capacity of the speed reducer;

this speed reducer that stability is strong through setting up clamp cover and rubber pad, can play the effect of location to the tray at tray pivoted in-process, has avoided the problem that the direction of motion of tray takes place the skew for the tray can be in the steady rotation of normal position, has reduced the range that the output shaft rocked, thereby indirect improvement output shaft pivoted stability.

Drawings

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

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

fig. 3 is a side view of the middle positioning sleeve of the present invention.

In the figure: 1. a housing; 2. a cover is clamped; 3. a bolt; 4. a bearing; 5. an input shaft; 6. a sun gear; 7. an inner gear ring; 8. a jacket; 9. a tray; 10. a rubber pad; 11. a support bar; 12. a planetary gear; 13. a force output shaft; 14. a positioning sleeve; 15. a connecting plate; 16. a card slot; 17. and (5) positioning the blocks.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a speed reducer with high stability, which comprises a casing 1 and a card cover 2, wherein the casing 1 is fixedly connected with the card cover 2 through a bolt 3, a bearing 4 is fixedly sleeved on one side of the casing 1, a force input shaft 5 is fixedly sleeved inside the bearing 4, a sun gear 6 is fixedly sleeved outside one end of the force input shaft 5, an inner gear ring 7 is fixedly sleeved on the inner side of the casing 1, a jacket 8 is fixedly connected with the inner side of the casing 1, a tray 9 is movably sleeved inside the jacket 8, the jacket 8 is arc-shaped, the number of the jacket 8 is two, the two jacket 8 are mutually symmetrical (see fig. 1) by taking the central axis of the tray 9 as the symmetrical center, when the card cover 2 is firstly clamped on the left side of the casing 1, the bolt 3 is rotated to be sleeved with a screw thread inside the casing 1, so as to facilitate the fixed installation of the card cover 2, when the input shaft 5 is driven by the motor to rotate, the input shaft can drive the sun gear 6 to rotate, the tray 9 is enabled to rotate, and the jacket 8 can limit the rotation range of the tray 9.

The inboard fixedly connected with rubber pad 10 that presss from both sides cover 8, one side of rubber pad 10 is through gluing agent and the inboard fixed bonding that presss from both sides cover 8, and the opposite side of rubber pad 10 contacts with the side of tray 9 (see fig. 1), and when tray 9 took place to rotate, the side of tray 9 can take place relative slip with one side of rubber pad 10 to play the effect of location to tray 9, avoided the problem that the direction of motion of tray 9 takes place the skew, guaranteed tray 9 pivoted stationarity.

One side fixedly connected with bracing piece 11 of tray 9, the fixed cover in outside of bracing piece 11 has been connected with planetary gear 12, planetary gear 12 outer edge respectively with the outer edge of sun gear 6 and the interior edge intermeshing of ring gear 7, planetary gear 12's quantity is three, and the size of three planetary gear 12 equals, be triangular distribution between the three planetary gear 12, the middle part fixedly connected with output shaft 13 of tray 9 opposite side (see fig. 1 and fig. 2), when input shaft 5 takes place to rotate, can drive sun gear 6 and take place to rotate, three planetary gear 12 can take place to rotate at the inboard of ring gear 7 under sun gear 6's drive this moment, and drive tray 9 takes place to rotate, and the rotation of tray 9 can drive output shaft 13 and take place to rotate, thereby make output shaft 13 take place the transmission.

Output shaft 13 activity cup joints the inside at card lid 2, and output shaft 13's outside activity has cup jointed position sleeve 14, position sleeve 14's outside fixedly connected with connecting plate 15, position sleeve 14's shape is the cylinder of middle part fretwork, and position sleeve 14's outside is through the inner wall fixed connection of connecting plate 15 with casing 1 (see fig. 1, fig. 2 and fig. 3), when output shaft 13 takes place to rotate, position sleeve 14 can carry on spacingly in output shaft 13's outside to it, avoided output shaft 13 to take place to shake the problem of skew by a wide margin, make output shaft 13 can take place to rotate at the normal position.

The draw-in groove 16 has been seted up to the inside of position sleeve 14, the inside joint of draw-in groove 16 has locating piece 17, the material of locating piece 17 is rubber materials, and the bottom of locating piece 17 is arc, the bottom of locating piece 17 contacts with the outside of output shaft 13 (see fig. 1 and fig. 3), when output shaft 13 rocks in the rotation, locating piece 17 can utilize the elasticity performance of self to take place the shrink, and extrude the inner wall of position sleeve 14, but because the shrink deformation volume of locating piece 17 is less, can contact with the side of output shaft 13, not only dispersed the power of shaking of output shaft 13, but also played the effect of location to output shaft 13, the driven stability of output shaft 13 has been strengthened, the problem that output shaft 13 can't bear the overweight article because of shaking the dynamics too big has been avoided, thereby the bearing capacity of this speed reducer has been improved.

The utility model discloses a theory of operation and use flow: firstly, the clamping cover 2 is movably sleeved outside the output shaft 13, the clamping cover 2 is pushed rightwards, the clamping cover 2 is enabled to be in contact with the left side of the machine shell 1, then the bolt 3 is rotated, the clamping cover 2 is fixedly installed on the left side of the machine shell 1, then when the input shaft 5 rotates, the sun gear 6 is driven to rotate, at the moment, the three planet gears 12 are driven by the sun gear 6 to rotate on the inner side of the inner gear ring 7, the tray 9 is driven to rotate, the output shaft 13 is driven to rotate by the rotation of the tray 9, so that the output shaft 13 is driven to transmit, finally when the output shaft 13 rotates and shakes, the positioning block 17 contracts by utilizing the elastic performance of the positioning block 17 and extrudes the inner wall of the positioning sleeve 14, but because the contraction deformation amount of the positioning block 17 is small, the positioning block can be in contact with the side face of the output shaft 13, so that the power of the output shaking shaft 13 is dispersed, but also has the function of positioning the output shaft 13, thereby ensuring the transmission stability of the output shaft 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a speed reducer that stability is strong, includes casing (1) and card lid (2), its characterized in that: the shell (1) is fixedly connected with the clamping cover (2) through a bolt (3), one side of the shell (1) is fixedly sleeved with a bearing (4), the inside of the bearing (4) is fixedly sleeved with an input shaft (5), the outside of one end of the input shaft (5) is fixedly sleeved with a sun gear (6), the inner side of the shell (1) is fixedly sleeved with an inner gear ring (7), the inner side of the shell (1) is fixedly connected with a jacket (8), the inside of the jacket (8) is movably sleeved with a tray (9), the inner side of the jacket (8) is fixedly connected with a rubber pad (10), one side of the tray (9) is fixedly connected with a support rod (11), the outside of the support rod (11) is fixedly sleeved with a planet gear (12), the outer edge of the planet gear (12) is respectively meshed with the outer edge of the sun gear (6) and the inner edge of the inner gear ring (7), tray (9) the middle part fixedly connected with output shaft (13) of opposite side, output shaft (13) activity is cup jointed in the inside of card lid (2), and the outside activity of output shaft (13) has cup jointed position sleeve (14), the outside fixedly connected with connecting plate (15) of position sleeve (14), and the inside of position sleeve (14) has seted up draw-in groove (16), the inside joint of draw-in groove (16) has locating piece (17).

2. The speed reducer with high stability according to claim 1, wherein: the shape of the clamping sleeves (8) is arc-shaped, the number of the clamping sleeves (8) is two, and the two clamping sleeves (8) are mutually symmetrical by taking the central axis of the tray (9) as a symmetrical center.

3. The speed reducer with high stability according to claim 1, wherein: one side of the rubber pad (10) is fixedly bonded with the inner side of the jacket (8) through an adhesive, and the other side of the rubber pad (10) is in contact with the side surface of the tray (9).

4. The speed reducer with high stability according to claim 1, wherein: the number of the planetary gears (12) is three, the sizes of the three planetary gears (12) are equal, and the three planetary gears (12) are distributed in a triangular mode.

5. The speed reducer with high stability according to claim 1, wherein: the positioning sleeve (14) is in a cylindrical shape with a hollow middle part, and the outside of the positioning sleeve (14) is fixedly connected with the inner wall of the machine shell (1) through a connecting plate (15).

6. The speed reducer with high stability according to claim 1, wherein: the positioning block (17) is made of rubber materials, the bottom end of the positioning block (17) is arc-shaped, and the bottom of the positioning block (17) is in contact with the outer portion of the output shaft (13).