CN111720492A - Heavy-duty worm gear speed reducer - Google Patents

Heavy-duty worm gear speed reducer Download PDF

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Publication number
CN111720492A
CN111720492A CN202010727488.3A CN202010727488A CN111720492A CN 111720492 A CN111720492 A CN 111720492A CN 202010727488 A CN202010727488 A CN 202010727488A CN 111720492 A CN111720492 A CN 111720492A
Authority
CN
China
Prior art keywords
worm
speed reducer
worm wheel
worm gear
heavy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010727488.3A
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Chinese (zh)
Inventor
黄爱民
鞠彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengjian Transmission Equipment Co ltd
Original Assignee
Jiangsu Hengjian Transmission Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengjian Transmission Equipment Co ltd filed Critical Jiangsu Hengjian Transmission Equipment Co ltd
Priority to CN202010727488.3A priority Critical patent/CN111720492A/en
Publication of CN111720492A publication Critical patent/CN111720492A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/039—Gearboxes for accommodating worm gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
    • F16H57/0416—Air cooling or ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
    • F16H57/0417—Heat exchangers adapted or integrated in the gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0469—Bearings or seals
    • F16H57/0471—Bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0498—Worm gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0213—Support of worm gear shafts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

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.

Description

Heavy-duty worm gear speed reducer
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.

Claims (5)

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).
CN202010727488.3A 2020-07-27 2020-07-27 Heavy-duty worm gear speed reducer Pending CN111720492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010727488.3A CN111720492A (en) 2020-07-27 2020-07-27 Heavy-duty worm gear speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010727488.3A CN111720492A (en) 2020-07-27 2020-07-27 Heavy-duty worm gear speed reducer

Publications (1)

Publication Number Publication Date
CN111720492A true CN111720492A (en) 2020-09-29

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CN202010727488.3A Pending CN111720492A (en) 2020-07-27 2020-07-27 Heavy-duty worm gear speed reducer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113623386A (en) * 2021-05-13 2021-11-09 蒋永德 Turbine worm speed reducer
US11536362B2 (en) * 2019-03-26 2022-12-27 Sew-Eurodrive Gmbh & Co. Kg Transmission having a fan assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150034904A (en) * 2013-09-26 2015-04-06 한국남부발전 주식회사 Worm reducer for coal treatment plant
CN204985525U (en) * 2015-07-31 2016-01-20 安徽费洛卡重工传动有限公司 Special worm speed reducer
CN209385619U (en) * 2018-10-16 2019-09-13 杭州杰牌传动科技有限公司 Frame worm decelerating machine of the input shaft with labyrinth-type excluder
CN210859774U (en) * 2019-11-15 2020-06-26 杭州恒柏减速机有限公司 Horizontal worm gear speed reducer
CN212377214U (en) * 2020-07-27 2021-01-19 江苏恒减传动设备有限公司 Heavy-duty worm gear speed reducer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150034904A (en) * 2013-09-26 2015-04-06 한국남부발전 주식회사 Worm reducer for coal treatment plant
CN204985525U (en) * 2015-07-31 2016-01-20 安徽费洛卡重工传动有限公司 Special worm speed reducer
CN209385619U (en) * 2018-10-16 2019-09-13 杭州杰牌传动科技有限公司 Frame worm decelerating machine of the input shaft with labyrinth-type excluder
CN210859774U (en) * 2019-11-15 2020-06-26 杭州恒柏减速机有限公司 Horizontal worm gear speed reducer
CN212377214U (en) * 2020-07-27 2021-01-19 江苏恒减传动设备有限公司 Heavy-duty worm gear speed reducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11536362B2 (en) * 2019-03-26 2022-12-27 Sew-Eurodrive Gmbh & Co. Kg Transmission having a fan assembly
CN113623386A (en) * 2021-05-13 2021-11-09 蒋永德 Turbine worm speed reducer
CN113623386B (en) * 2021-05-13 2023-09-19 宁波拓克传动有限公司 Worm gear reducer

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