CN106989141A - A kind of brake wheel brakes planetary reduction gear - Google Patents

Abstract

The invention relates to a brake wheel braking planetary reducer, the main shaft is connected in the box, one end of the main shaft protrudes out of the box to connect the load, the other end of the main shaft is connected and supported in the inner gear hub through the bearing, and the inner gear hub is connected through the bearing Supported on the box, the main shaft in the box is supported by a bevel gear through the bearing support, the bevel gear shaft is supported on the box by the bearing and meshes with the transmission bevel gear, and the bevel gear is connected to the sleeve on the main shaft coaxially. One end of the barrel center wheel, and the other end of the sleeve center wheel are externally threaded to engage with a plurality of planetary wheels evenly distributed on its outer circumference, and the plurality of planetary wheels are engaged in the inner gear, the inner gear is connected to the inner end of the inner gear hub, and the planetary wheel is connected to the planet The shaft and the planetary shaft are fixedly connected to the planet carrier, the planet carrier is connected to the main shaft through a key, and the outer end of the inner gear hub is connected to the brake wheel with a belt brake outside the box.

Description

A brake wheel braking planetary reducer

technical field

The invention relates to a speed reducer, in particular to a brake wheel braking planetary speed reducer.

Background technique

The braking method of the traditional reducer is high-speed input shaft braking, which can only be braked when parking, and cannot be used for service braking. Moreover, because the clutch is installed on the high-speed input shaft in this braking method, it generates serious heat and seriously affects service life.

Contents of the invention

The invention provides a brake wheel braking planetary reducer with stable use, large deceleration speed ratio, convenient braking and long service life.

The technical solution of the present invention is: a brake wheel brake planetary reducer, which is characterized in that it includes a box body, a main shaft, a bevel gear shaft, a bevel gear, a sleeve center wheel, a planet carrier, a planet shaft, a planet wheel, and an internal gear , internal gear hub, brake wheel, the main shaft is connected in the box, one end of the main shaft extends out of the box to connect the load, the other end of the main shaft is supported in the inner gear hub through the bearing, and the inner gear hub is supported on the box through the bearing , the main shaft in the box is supported by a bevel gear through the bearing support, the bevel gear shaft is supported on the box through the bearing and meshes with the transmission bevel gear, the bevel gear is connected to one end of the center wheel of the sleeve coaxially connected to the main shaft, The external thread at the other end of the center wheel of the sleeve meshes with a plurality of planetary wheels evenly distributed on its outer circumference, and the plurality of planetary wheels mesh with the inner gear, the inner gear is connected to the inner end of the inner gear hub, and the planetary shaft is connected inside the planetary wheel, and the planetary shaft is fixed Connected to the planet carrier, the planet carrier is connected to the main shaft through a key, and the outer end of the inner gear hub is connected to the brake wheel with belt brake outside the box.

Further, the end face of the bevel gear is provided with a circle of annular sinking groove or a circle of annular through groove, and one end of the center wheel of the sleeve is provided with a connecting flange with a circle of ring-shaped bosses, and the ring-shaped bosses snap into the ring-shaped sinking grooves Or through groove, the connecting flange is connected to the end face of the bevel gear through bolt locking.

The reducer is decelerated by two stages of bevel gear and planetary, and the reduction speed ratio is large. Planetary transmission part: the input of the sleeve center wheel, the inner gear is connected with the brake wheel through the inner gear hub, the overall structure is compact, and the operation is stable. The planet carrier is fixed on the main shaft and connected with the load, and the brake wheel is equipped with a brake belt. When the belt is loosened, the main shaft is still under the load resistance, and the brake wheel runs without load; when the belt is tensioned, the brake wheel brakes, the main shaft rotates, and the load is driven to work. The reducer adopts planetary transmission. The sleeve center wheel, planetary carrier and internal gear have the same center line of rotation and two degrees of freedom. Under the constant input speed of the sleeve center wheel, the braking and release of the brake wheel are controlled. , to achieve the stillness and rotation of the internal gear, so that the rotation and stillness of the main shaft are controlled by the planetary drive to constrain the planetary carrier. The sleeve center wheel and the inner gear hub adopt a hollow structure, and are supported by bearings with the main shaft, and between the inner gear hub and the box body, so that the rotating parts can rotate freely without interfering with each other.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Among the figure: box body 1, bevel gear shaft 2, bevel gear 3, sleeve center wheel 4, planetary wheel 5, planetary shaft 6, planet carrier 7, internal gear 8, internal gear hub 9, main shaft 10, gate wheel 11.

detailed description

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Figure 1: a brake wheel braking planetary reducer includes a box body 1, a bevel gear shaft 2, a bevel gear 3, a sleeve center wheel 4, a planetary wheel 5, a planetary shaft 6, a planetary carrier 7, an internal gear 8, Internal gear hub 9, main shaft 10, brake wheel 11. The main shaft 10 is connected in the box body 1, one end of the main shaft 10 protrudes out of the box to connect the load, the other end of the main shaft 10 is connected and supported in the inner gear hub 9 through the bearing, and the inner gear hub 9 is supported on the box body 1 through the bearing connection , the main shaft 10 in the box 1 is supported by a bevel gear 3 through the bearing support, the bevel gear shaft 2 is supported on the box 1 through the bearing and meshes with the transmission bevel gear 3, the bevel gear 3 is connected coaxially and connected to the main shaft One end of the sleeve center wheel 4 on the top, the other end of the sleeve center wheel 4 is externally threaded to engage with a plurality of planetary wheels 5 evenly distributed on its outer periphery, and the plurality of planetary wheels 5 are engaged in the inner gear 8, and the inner gear 8 is connected to the inner gear hub 9, the inner end of the planetary wheel 5 is connected with the planetary shaft 6, the planetary shaft 6 is fixedly connected to the planetary carrier 7, the planetary carrier 7 is connected to the main shaft 10 through a key, and the outer end of the inner gear hub 9 is connected to the brake with a belt brake outside the box round 11.

On the basis of the above embodiments, the end face of the bevel gear is provided with a ring-shaped sinking groove or a ring-shaped through groove, and one end of the center wheel of the sleeve is provided with a connecting flange with a ring of ring-shaped bosses, and the ring-shaped bosses are clamped Ring-shaped sinking groove or through groove, the connecting flange is connected to the end face of the bevel gear through bolt locking, which is convenient for accurate and stable connection and is conducive to stable power transmission.

Claims (2)

1. a kind of brake wheel brakes planetary reduction gear, it is characterised in that：Including in casing, main shaft, bevel gear shaft, bevel gear, sleeve Heart wheel, planet carrier, planet axis, planetary gear, internal gear, internal gear hub, brake wheel, main shaft, which is worn, to be connected in casing, and main shaft one end is stretched out Casing external load, the main shaft other end is worn to connect through bearing and is supported in internal gear hub, and internal gear hub wears to connect through bearing is supported on case On body, bevel gear is connected to through bearing support set on the main shaft in casing, bevel gear shaft is worn to connect through bearing and is supported on casing and nibbles Drive bevel gear is closed, bevel gear connection is coaxial to wear the bushing core wheel one end being connected on main shaft, the outer spiral shell of the bushing core wheel other end The multiple planetary gears for being distributed on its periphery of line engagement, multiple planetary gears are engaged in internal gear, in internal gear connection internal gear hub Worn in end, planetary gear and connect planet axis, planet axis is fixedly connected in planet carrier, planet carrier is connected outside main shaft, internal gear hub through key Hold the brake wheel of the external belt leather band brake of connecting box.

2. a kind of brake wheel braking planetary reduction gear according to claim 1, it is characterized in that：The end face of the bevel gear is provided with One ring shape deep gouge or a circle annular through groove, described bushing core wheel one end encloses the adpting flange of annular boss, ring provided with band one Shape boss clamping annular deep gouge or groove, adpting flange is close to through bolt lock connects bevel gear end face.