阅读说明：本技术 一种重载蜗轮蜗杆减速机 (Heavy-duty worm gear speed reducer ) 是由 黄爱民 鞠彪 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种重载蜗轮蜗杆减速机,由箱体、蜗轮和蜗杆组成,所述蜗轮和蜗杆均设置在箱体内,蜗轮下端连接蜗杆,所述蜗轮位于蜗杆上方,蜗轮最外侧为蜗轮端盖,蜗轮下端为空心轴承,空心轴承两侧为轴承,在轴承和箱体间隙处设有油封；所述蜗杆后端为平键,蜗杆前端为防护罩,防护罩内设有散装片,端盖通过螺栓固定在箱体上；所述箱体上端安装透气孔,箱体下端安装底座；所述蜗轮和蜗杆集成于一体,减速机通过输入端的蜗杆与蜗轮的直接传动,蜗轮带动蜗杆内部的输出空心轴旋转达到相应的减速和增速。本发明一方面通过蜗轮和蜗杆集成于一体方便安装和操作,另一方面通过在减速机内部增加散热片和透气孔解决散热问题。(The invention discloses a heavy-load worm gear speed reducer which comprises a box body, a worm gear and a worm, wherein the worm gear and the worm are both arranged in the box body, the lower end of the worm gear is connected with the worm, the worm gear is positioned above the worm, the outermost side of the worm gear is a worm gear end cover, the lower end of the worm gear is a hollow bearing, two sides of the hollow bearing are bearings, and an oil seal is arranged at the gap between the bearing and the box body; the rear end of the worm is a flat key, the front end of the worm is a protective cover, a bulk chip is arranged in the protective cover, and the end cover is fixed on the box body through a bolt; the upper end of the box body is provided with an air hole, and the lower end of the box body is provided with a base; the worm wheel and the worm are integrated into a whole, the speed reducer is directly driven by the worm and the worm wheel at the input end, and the worm wheel drives the output hollow shaft inside the worm to rotate so as to achieve corresponding speed reduction and speed increase. The worm gear and the worm are integrated into a whole, so that the worm gear and the worm are convenient to install and operate, and the heat dissipation problem is solved by adding the heat dissipation fins and the air holes in the speed reducer.)

1. The utility model provides a heavy load worm gear speed reducer machine comprises box (100), worm wheel (200) and worm (300) all set up in box (100), and worm wheel (200) lower extreme connection worm (300), its characterized in that, worm wheel (200) are located worm (300) top, and worm wheel (200) outside is worm wheel end cover (201), and worm wheel (200) lower extreme is hollow bearing (202), and hollow bearing (202) both sides are bearing (203), are equipped with oil blanket (204) in bearing (203) and box (100) clearance department.

2. The heavy-duty worm gear speed reducer according to claim 1, wherein the rear end of the worm (300) is a flat key (306), the front end of the worm (300) is a protective cover (304), a loose-fitting piece (303) is arranged in the protective cover (304), and the end cover (302) is fixed on the box body (100) through a bolt (301).

3. The heavy-duty worm and gear speed reducer according to claim 1, wherein the box (100) is provided with air holes (101) at the upper end thereof, and the box (100) is provided with a base (305) at the lower end thereof.

4. The heavy-duty worm-gear speed reducer according to claim 1, wherein the worm wheel (200) and the worm (300) are integrated, the speed reducer is directly driven by the worm (300) at the input end and the worm wheel (200), and the worm wheel (200) drives the hollow output shaft (307) inside the worm (300) to rotate so as to achieve corresponding speed reduction and speed increase.

5. The heavy-duty worm and gear speed reducer according to claim 1, wherein the top of the oil seal (204) is connected with an end cover (201) inside the box body (100), the bottom of the oil seal (204) is connected with the bearing (203) and the worm (300), and lubricating oil enters the oil seal (204) through the end cover (201) and reaches the bearing (203) inside the worm (300).

Technical Field

The invention relates to the technical field of speed reducer machinery, in particular to a heavy-duty worm and gear speed reducer.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

Application number is CN 201921983645.6's a horizontal worm gear speed reducer machine, including worm gear speed reducer machine body, worm gear speed reducer machine body one end is equipped with driving motor, the other end of worm gear speed reducer machine body is equipped with the transmission shaft, be equipped with fixed cover on the transmission shaft, fixed cover is equipped with radiator vane, be equipped with heat abstractor on the worm gear speed reducer machine body, heat abstractor includes the heat dissipation case, the heat dissipation incasement is equipped with heat dissipation motor, heat dissipation motor output end is equipped with the heat dissipation fan, the symmetry is equipped with the air intake on the heat dissipation case, the cooling box is equipped with the cooler bin, be equipped with the cooling cycle pipe in the cooler bin, be equipped with the air-collecting cover between cooler bin and the heat dissipation fan: the device is simple in structure, generally can utilize the working time of the device to dissipate heat by utilizing the heat dissipation blades, and can cool air by the cooling liquid when the temperature is too high, so that the cooling effect is further improved.

The aforesaid patent mainly aims at solving worm gear reducer's heat dissipation problem, and the noise that produces when not solving the meshing of worm wheel and worm among the current worm gear reducer is big, and the temperature is high to and the product operation in-process vibrations phenomenon appears and solves, and the inside integration in an organic whole that does not have of speed reducer in addition.

Disclosure of Invention

In view of the above, a heavy-duty worm gear reducer is needed, which is convenient to install and operate by integrating a worm gear and a worm, and solves the problem of heat dissipation by adding heat dissipation fins and ventilation holes inside the reducer.

The utility model provides a heavy load worm gear speed reducer comprises box, worm wheel and worm all set up in the box, and the worm is connected to the worm wheel lower extreme, the worm wheel is located the worm top, and the worm wheel outside is the worm wheel end cover, and the worm wheel lower extreme is hollow bearing, and the hollow bearing both sides are the bearing, are equipped with the oil blanket in bearing and box clearance department.

Furthermore, the rear end of the worm is a flat key, the front end of the worm is a protective cover, a bulk piece is arranged in the protective cover, and the end cover is fixed on the box body through a bolt.

Furthermore, the upper end of the box body is provided with an air hole, and the lower end of the box body is provided with a base.

Furthermore, the worm wheel and the worm are integrated into a whole, the speed reducer is directly driven by the worm and the worm wheel at the input end, and the worm wheel drives the output hollow shaft inside the worm to rotate so as to achieve corresponding speed reduction and speed increase.

Furthermore, the top of the oil seal is connected with an end cover in the box body, the bottom of the oil seal is connected with the bearing and the worm, and lubricating oil enters the oil seal through the end cover and reaches the bearing in the worm.

The heavy-duty worm gear speed reducer provided by the invention has the advantages that: firstly, a left wall body and a right wall body are fixedly connected through an inserting plate, a guide head, a matching plate and an inserting plate groove, and the left wall body and the right wall body are arranged in a fixing hole in the middle of the matching plate and the inserting plate through a fixing column, so that the left wall body and the right wall body are arranged, and the left wall body and the right wall body are convenient to disassemble; in addition, the left wall body and the right wall body are arranged on the sliding plate groove of the foundation through the sliding plate, can move movably, and are convenient to match, install and detach the wall bodies and the foundation.

Drawings

FIG. 1 is a structural diagram of a heavy-duty worm gear reducer according to the present invention;

FIG. 2 is an internal front view of a heavy duty worm gear reducer according to the present invention;

fig. 3 is a side view of the inside of a heavy-duty worm gear reducer according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1, 2 and 3, the heavy-duty worm gear reducer provided by the invention comprises a box 100, a worm wheel 200 and a worm 300, wherein the worm wheel 200 and the worm 300 are both arranged in the box 100, the lower end of the worm wheel 200 is connected with the worm 300, the worm wheel 200 is positioned above the worm 300, a worm wheel end cover 201 is arranged on the outermost side of the worm wheel 200, a hollow bearing 202 is arranged at the lower end of the worm wheel 200, bearings 203 are arranged on two sides of the hollow bearing 202, and an oil seal 204 is arranged at a gap between the bearings 203 and the box 100.

The rear end of the worm 300 is a flat key 306, the front end of the worm 300 is a protective cover 304, a loose-fitting sheet 303 is arranged in the protective cover 304, and an end cover 302 is fixed on the box body 100 through a bolt 301. The protective cover 304 can protect the whole speed reducer, so that the buffering and anti-collision effects are achieved, the arrangement of the bulk pieces 303 can achieve the heat dissipation function, the internal structure of the speed reducer is protected, and the overhigh temperature is avoided.

The upper end of the box body 100 is provided with a vent hole 101, and the lower end of the box body 100 is provided with a base 305. The box 100 can be dispelled the heat to box 100 in box 100 upper end installation bleeder vent 101, guarantees the speed reducer normal operating, and the setting up of base 305 makes whole speed reducer integration further consolidated, improves stability.

The worm wheel 200 and the worm 300 are integrated into a whole, the speed reducer directly drives the worm 300 at the input end and the worm wheel 200, and the worm wheel 200 drives the output hollow shaft 307 inside the worm 300 to rotate so as to achieve corresponding speed reduction and speed increase. Through the direct transmission between the worm 300 and the worm wheel 200 at the input end, the worm wheel pair on the worm wheel 200 drives the output hollow shaft 307 to rotate, the transmission speed ratio is determined according to the number of the nuts and the number of teeth of the worm wheel 200 and the worm 300, and the corresponding speed reduction requirement is achieved.

The top of the oil seal 204 is connected with the end cover 201 in the box 100, the bottom of the oil seal 204 is connected with the bearing 203 and the worm 300, and lubricating oil enters the oil seal 204 through the end cover 201 and reaches the bearing 203 in the worm 300. The oil seal 204 serves as a seal for the lubricating oil, and isolates the components to be lubricated from the output components, so that the lubricating oil does not leak.

The invention has novel structure, integrates the worm wheel and the worm into a whole, and has higher transmission efficiency, larger output torque and stronger impact resistance. In addition, the invention strictly controls the processing precision of the product, is more important for processing the worm wheel, repeatedly measures the spiral angle of the worm wheel, controls the rotating direction precision of the worm wheel within 0.5mm, and performs mirror surface treatment on the surface of the worm wheel to ensure that the surface smoothness of the worm wheel reaches 4-level precision. Meanwhile, the contact surface of the worm and the worm wheel is processed by high-precision gear grinding. Then, the surface contact point of the worm is subjected to ion nitriding treatment, and the temperature rise of the product is controlled within 65 ℃ and the noise is controlled within 75 decibels through strict control of various indexes, so that the vibration phenomenon of the product is eliminated. The service life of the product is greatly prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.