CN101804900A - Speed reducer for conveyor - Google Patents
Speed reducer for conveyor Download PDFInfo
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- CN101804900A CN101804900A CN200910024745A CN200910024745A CN101804900A CN 101804900 A CN101804900 A CN 101804900A CN 200910024745 A CN200910024745 A CN 200910024745A CN 200910024745 A CN200910024745 A CN 200910024745A CN 101804900 A CN101804900 A CN 101804900A
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Abstract
The invention relates to a main drive device on a scraper conveyor for mines, in particular to a speed reducer for a conveyor, and aims to provide the speed reducer for the conveyor with the advantages of novel structure, small volume, large bearing capacity, and excellent performance. The speed reducer for the conveyor comprises a body, a drive mechanism, a cooling system and a sealing element. The drive mechanism comprises an input bevel gear shaft, an intermediate gear shaft, an output inner gear shaft, and a planetary gear train. The input bevel gear shaft is provided with a bevel gear end; the intermediate gear shaft is provided with a bevel gear and a cylindrical gear which are meshed with the bevel gear end; the output inner gear shaft is provided with a cylindrical wheel meshed with the cylindrical gear; the planetary gear train comprises a sun gear, a planet carrier, a planet gear and an annular gear which is fixed on the body; the output inner gear shaft is connected with the periphery of the sun gear in a positioning mode through crowned teeth; the sun gear and the annular gear are arranged coaxially; the planet gear is positioned between the sun gear and the annular gear and meshed with the sun gear and the annular gear respectively; and the planet carrier and the output inner gear are arranged coaxially.
Description
Technical field
The present invention relates to the main drive on a kind of mine flight conveyer, relate to a kind of speed reducer for conveyor especially.
Background technology
In recent years, equipment such as the high-power coal cutter of China's independent research, the heavy scraping transporter of big transport power high spud angle and elevating conveyor have reached international most advanced level have been arranged.But as down-hole coal excavation, fortune coal visual plant: heavy scraping transporter and elevating conveyor, the core that its power transmits---reductor is because of its specific (special) requirements: narrow and small but require to have big output torque and bringing onto load to start as the space, down-hole, height bears the ability of thump; The humidity that produces a large amount of smog and dust, air during coal mining is very big, very high to the reductor seal request, the very poor reductor that requires of reductor radiating condition has high driving efficiency to reach cooling system efficiently, the colliery also is an important indicator with Control of Mechanical Noise, because huge vibrations are the important hidden danger in colliery, may cause landslide and monitoring communication apparatus malfunctioning, so the reductor noise is also had higher restriction or the like.
The speed reducer for conveyor that uses all adopts the triple reduction gear of the pattern that is arranged in parallel at present, mainly form by body, primary shaft, second, third axle and the 4th, first and second axle adopts the finishing bevel gear cuter engagement to slow down, all adopt the cylindrical wheel engagement to slow down between second and third axle and third and fourth axle, the 4th output, in view of all specific (special) requirements of above colliery reductor, above-mentioned retarder can't satisfy the deceleration requirement of the heavy scraping transporter of high-power big transport power and elevating conveyor, travelling apron, so such reductor still adopts import equipment.
Summary of the invention
The object of the present invention is to provide that a kind of novel structure, the little load-carrying capacity of volume are big, the speed reducer for conveyor of function admirable.
The technical scheme that realizes the object of the invention is:
A kind of speed reducer for conveyor, have body, transmission device, cooling system and packing element, transmission device comprises input bevel gear shaft, counter gear shaft, output internal tooth axle, planet circular system, the input bevel gear shaft has the awl increment, and counter gear shaft has and above-mentioned awl increment meshed bevel gears and cylindrical wheel; Output internal tooth axle has and above-mentioned cylindrical wheel ingear cylinder wheel; Planet circular system comprises sun wheel, pinion carrier, satellite gear and is fixed on internally toothed annulus on the body, described output internal tooth axle circumferentially is located by connecting by crowned teeth and sun wheel, sun wheel and the coaxial setting of internally toothed annulus, satellite gear meshes between sun wheel and internally toothed annulus and respectively, pinion carrier and the coaxial setting of output internal tooth axle.
The cylindrical wheel of described counter gear shaft is the helical teeth engagement with the cylinder wheel of output internal tooth axle.
Above-mentioned finishing bevel gear cuter and cylindrical wheel are made by superior alloy steel 17Cr2Ni2Mo, and adopt carburizing and quenching, gear-grinding process, and the finishing bevel gear cuter precision reaches 6 grades of GB11365-89, and the cylindrical wheel precision reaches 5 grades of GB10095-88; Above-mentioned internally toothed annulus adopts the modified back nitrogenize of high-quality medium carbon alloy steel 42CrMoA again through roll flute, and precision reaches 6 grades of GB10095-88.
Above line star wheel series mouth has the detachable female splines shaft of being convenient to maintain and replace.
Above-mentioned cooling system adopts the aqueous cold plate guard system.
Above-mentioned body afterbody is the circular arc design, and the body sidepiece adopts the waveform vertical design.
The present invention has following characteristics: it is the one-level finishing bevel gear cuter that the present invention adopts novelty, compact drive mechanism form, one-level parallel shafts cylindric spiral gear, the combination transmission of primary planet pinion; The design of axle system is gone up and is adopted rectangular axes, hollow female splines shaft, saves installing space; Cabinet design adopts split type structure, maintenance for ease of maintenaince, and box shape is attractive in appearance; Afterbody is the circular arc design, and compact conformation is reasonable and can satisfy the requirement that user's use is bigger than the coal amount most, and casing adopts the waveform vertical design, has both improved thermal power and intensity, has reduced noise, has increased aesthetic feeling again.Simultaneously reductor abat-vent, aqueous cold plate interface tube are improved, can effectively prevent to collide with.On complete engine set installation, adopted the side hanging working machine to install, but and bidirectional movement, allowing in driving surface inclination maximum ± 30 °, maximum is walked in ° scope of angle ± 20 and is used, and can be inverted use.Aspect cooling, adopt special aqueous cold plate guard system, in reductor body narrow space, can significantly increase cooling area, improve the thermal power of reductor.Input, output shaft sealing area carry out special grinding, diameter of axle surface is improved the hardness processing and sealed the resistance to abrasion and the service life of raising input, output shaft so that make between oil sealing and the axial plane.Exterior touchless labyrinth disc can be never wornout, and middle filling butter prevents that dust from entering, the protection oil sealing.To satisfy many dust in down-hole and saline and alkaline and corrosive atmosphere use; The high precision of the flank of tooth has greatly improved the reductor driving efficiency aspect processing technology, greatly reduces rotational noise simultaneously, can finely satisfy colliery Control of Mechanical Noise requirement.The high hardness of the flank of tooth (HRC58-62) has guaranteed the high bearing capacity and the wear-resistant ability of gear, the high-ductility performance of gear core absorbs impact energy, thereby avoided overload, impacted the broken teeth that causes, and be designed to be able to dismounting and change with female splines output shaft that working machine links, be convenient to user's maintain and replace, with great reduction maintenance cost and saving maintenance time.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is an outside drawing of the present invention.
Fig. 2 is a transmission slowing-down structure scheme drawing of the present invention.
The specific embodiment
See Fig. 1, Fig. 2, the present invention has body 6, transmission device, cooling system and packing element, transmission device comprises input bevel gear shaft 1, counter gear shaft 2, output internal tooth axle 3 and planet circular system, input bevel gear shaft 1 has awl increment 11, counter gear shaft 2 has finishing bevel gear cuter 21 and cylindrical wheel 22, output internal tooth axle 3 has cylinder wheel 31, the awl increment 11 of above-mentioned input bevel gear shaft and 21 engagements of the finishing bevel gear cuter of counter gear shaft, cylindrical wheel 22 engagements of the cylinder wheel 31 of output internal tooth axle 3 and counter gear shaft, and cylindrical wheel, cylinder wheel are the helical teeth engagement; Planet circular system comprises sun wheel 4, pinion carrier 41, satellite gear 42 and is fixed on internally toothed annulus 43 on the body, described output internal tooth axle 3 is circumferentially located by crowned teeth and sun wheel 4, sun wheel and the coaxial setting of internally toothed annulus, satellite gear meshes with sun wheel and internally toothed annulus between sun wheel and internally toothed annulus and respectively, pinion carrier and the 3 coaxial settings of output internal tooth axle, the removable female splines shaft that is connected with of the mouth axle of above line star wheel series, be used for being connected with the input shaft of conveyer, be convenient to user's maintain and replace, reduce maintenance cost greatly and also saved maintenance time.
Above-mentioned conical gear and cylindrical wheel all adopt superior alloy steel 17Cr2Ni2Mo to make, and adopt carburizing and quenching, gear-grinding process, and the finishing bevel gear cuter precision reaches 6 grades of GB11365-89, and the cylindrical wheel precision reaches 5 grades of GB10095-88; Above-mentioned internally toothed annulus adopts the modified back nitrogenize of high-quality medium carbon alloy steel 42CrMoA again through roll flute, and precision reaches 6 grades of GB10095-88.The course of processing adopts the numerical control heat treatment furnace to carry out cementation process, depth of penetration and homogeneity have effectively been guaranteed, guaranteed the high hardness (HRC58-62) of the flank of tooth, the high bearing capacity and the wear-resistant ability of gear have been improved, the toughness of gear core strengthens can absorb impact energy, thus the broken teeth phenomenon of having avoided overload, impact to cause.
This retarder adopts special aqueous cold plate guard system aspect cooling, in retarder body narrow space, can increase considerably cooling area, improve the thermal power of retarder, high, low speed shafting oil envelope at the seal aspect retarder all adopts contact and contactless unitized design, and in-to-in lip oil sealing adopts quality product.Input, output shaft sealing area have carried out grinding preferably, hardness is handled, so that make the excellent sealing between oil sealing and the axial plane.Exterior touchless labyrinth disc can be never wornout, and middle filling butter prevents that dust from entering, and the protection oil sealing is to satisfy many dust in down-hole and saline and alkaline and corrosive atmosphere use.
Claims (5)
1. speed reducer for conveyor, have body (6), transmission device, cooling system and packing element, transmission device comprises input bevel gear shaft (1), counter gear shaft (2), output internal tooth axle (3), planet circular system, it is characterized in that: input bevel gear shaft (1) has awl increment (11), and counter gear shaft (2) has and above-mentioned awl increment meshed bevel gears (21) and cylindrical wheel (22); Output internal tooth axle (3) has and above-mentioned cylindrical wheel (22) ingear cylinder wheel (31); Planet circular system comprises sun wheel (4), pinion carrier (41), satellite gear (42) and is fixed on internally toothed annulus (43) on the body, described output internal tooth axle (3) circumferentially is located by connecting by crowned teeth and sun wheel (4), sun wheel and the coaxial setting of internally toothed annulus, satellite gear meshes between sun wheel and internally toothed annulus and respectively, pinion carrier and the coaxial setting of output internal tooth axle (3).
2. according to the described speed reducer for conveyor of claim 1, it is characterized in that: above-mentioned finishing bevel gear cuter and cylindrical wheel are made by superior alloy steel 17Cr2Ni2Mo, and adopt carburizing and quenching, gear-grinding process, the finishing bevel gear cuter precision reaches 6 grades of GB11365-89, and the cylindrical wheel precision reaches 5 grades of GB10095-88; Above-mentioned internally toothed annulus adopts the modified back nitrogenize of high-quality medium carbon alloy steel 42CrMoA again through roll flute, and precision reaches 6 grades of GB10095-88.
3. according to the described speed reducer for conveyor of claim 1, it is characterized in that: above line star wheel series mouth has the detachable female splines shaft (5) of being convenient to maintain and replace.
4. according to the described speed reducer for conveyor of claim 1, it is characterized in that: above-mentioned cooling system adopts the aqueous cold plate guard system.
5. according to the described speed reducer for conveyor of claim 1, it is characterized in that: above-mentioned body afterbody is the circular arc design, and the body sidepiece adopts the waveform vertical design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910024745A CN101804900A (en) | 2009-02-13 | 2009-02-13 | Speed reducer for conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910024745A CN101804900A (en) | 2009-02-13 | 2009-02-13 | Speed reducer for conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101804900A true CN101804900A (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910024745A Pending CN101804900A (en) | 2009-02-13 | 2009-02-13 | Speed reducer for conveyor |
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| Country | Link |
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| CN (1) | CN101804900A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295140A (en) * | 2011-06-01 | 2011-12-28 | 江苏上齿集团有限公司 | Mining scraper conveyor speed reducer |
| CN103239811A (en) * | 2012-02-10 | 2013-08-14 | 东莞市万方消防设备有限公司 | Constant-speed descent control device |
| CN110005792A (en) * | 2019-03-23 | 2019-07-12 | 山东泰山能源有限责任公司协庄煤矿 | A kind of modified speed reducer for transportation system |
-
2009
- 2009-02-13 CN CN200910024745A patent/CN101804900A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295140A (en) * | 2011-06-01 | 2011-12-28 | 江苏上齿集团有限公司 | Mining scraper conveyor speed reducer |
| CN103239811A (en) * | 2012-02-10 | 2013-08-14 | 东莞市万方消防设备有限公司 | Constant-speed descent control device |
| CN103239811B (en) * | 2012-02-10 | 2016-04-06 | 东莞市红火安全科技有限公司 | Constant speed type descending lifeline |
| CN110005792A (en) * | 2019-03-23 | 2019-07-12 | 山东泰山能源有限责任公司协庄煤矿 | A kind of modified speed reducer for transportation system |
| CN110005792B (en) * | 2019-03-23 | 2022-06-03 | 山东泰山能源有限责任公司协庄煤矿 | Improved speed reducer for transportation system |
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Open date: 20100818 |