CN201446000U - Speed reducer of screening and crushing machine - Google Patents
Speed reducer of screening and crushing machine Download PDFInfo
- Publication number
- CN201446000U CN201446000U CN2009200464848U CN200920046484U CN201446000U CN 201446000 U CN201446000 U CN 201446000U CN 2009200464848 U CN2009200464848 U CN 2009200464848U CN 200920046484 U CN200920046484 U CN 200920046484U CN 201446000 U CN201446000 U CN 201446000U
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- upper box
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Abstract
The utility model relates to the speed reducer of a screening and crushing machine, which comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are fastened with each other from top to bottom through bolts. The upper box body and the lower box body are formed by steel plates in a welding way. Four reducing chambers are formed. An input part, a second-stage transmission part, a third-stage transmission part and an output part are respectively arranged in the four reducing chambers in parallel. The shaft gear of the input part is connected with the gear of the second-stage transmission part. The shaft gear of the second-stage transmission part is connected with the gear of the third-stage transmission part. The shaft gear of the third-stage transmission part is connected with the gear of the output part. A top sight hole cover and a bottom sight hole cover are respectively arranged on the upper box body and the lower box body. A side sight hole cover is arranged at the junction between the upper box body and the lower box body. A cooling part is arranged in the lower box body. The cooling part is a coiled cooling pipe and forms the cooling structure of the circulation. The utility model has the advantages that the structure is reasonable, the machining is simple and convenient, the strength of the box body is high, the normal operation of the transmission shaft is ensured, the impact resistance is high, the operation is stable and reliable, the service life is long, and the maintenance and the inspection are convenient and high-efficiency.
Description
Technical field
The utility model relates to the reductor field, especially a kind of screening crusher reducer.
Background technology
Reductor is that a kind of power is passed on mechanism, utilizes the velocity transducer of gear, the winding number of power source is decelerated to desired winding number, and obtain the mechanism of big torque.Be used for the mechanism of transferring power and motion at present, the range of application of reductor is quite extensive.Almost in the transmission system of various machinery, can see its trace, boats and ships, automobile, locomotive from the vehicles, heavy facility for building, machining machine and tool that mechanical industry is used and automated production equipment, common household electrical appliances in the daily life, clock and watch or the like. it uses the transmission work from big power, to little load, accurate angle transmission can be seen the application of reductor, and on commercial Application, reductor has deceleration and increases the torque function.Therefore be widely used in the conversion equipment of speed and moment of torsion.
Reductor generally is used for the drive apparatus of low rotation speed large torque, motor, internal combustion engine or other power that runs up are reached the purpose of deceleration by the gear wheel on the few gears engaged output shaft of the number of teeth on the power shaft of reductor, common reductor also has and several the same principle gear is reached desirable deceleration effect, the ratio of the number of teeth of big pinion is exactly a gearratio.
Parts such as reductor casing, tooth axle, gear are the crucial parts of reductor.The reductor casing usually by casting or welded casing, play the effect of supporting shaft, the distribution of its version, reduction chamber, Technology for Heating Processing, method for fine finishing and supporting bearing block thereof all are the factors that influences the reductor service behaviour.
Parts such as output block, input gear shaft, power transmission shaft are made up of output shaft and gear usually, and size, span, bearing designation, Technology for Heating Processing, method for fine finishing and the supporting lubricating system and the lubricating oil product thereof of the strength of gear teeth, axle all are to have determined the reductor service behaviour.
In addition, the type of cooling of reductor also is related to the normal operation of reductor.
Summary of the invention
The purpose of this utility model is to provide a kind of screening crusher reducer, to satisfy screening crusher to reductor high reliability, long-life performance requirement.
The technical solution of the utility model is:
A kind of screening crusher reducer, comprise the upper box and the lower box that fasten up and down by bolt, described upper box and lower box are welded by steel plate, constitute four reduction chamber, in four reduction chamber, be respectively equipped with the input block that be arranged in parallel, secondary drive disk assembly, three grades of drive disk assemblies and output block, the shaft gear of input block is connected with the gear of secondary drive disk assembly, the shaft gear of secondary drive disk assembly is connected with the gear of three grades of drive disk assemblies, and the shaft gear of three grades of drive disk assemblies is connected with the gear of output block; Be respectively equipped with top inspection hole cover and bottom inspection hole cover on upper box and the lower box, be provided with the sidepiece inspection hole cover at upper box and lower box junction; Lower box inside is provided with cooling-part, and cooling-part is coiling shape cooling tube, forms the cooling structure of circulation.
Described sidepiece inspection hole cover is provided with sidepiece inspection hole cover window pad.
One side of described three grades of drive disk assemblies is provided with oil ga(u)ge.
Described upper box top is provided with lifting bolt.
Described upper box top is provided with lubricating cup.
The beneficial effects of the utility model are:
The utility model is rational in infrastructure, processing is easy, casing intensity height, guarantees the operate as normal of transmission axle, and impact resistance is big, stable and reliable operation, long service life, Maintenance and Repair convenient and efficient.That the reductor casing has is corrosion-resistant, antirust, bearing block adopts welded-steel plate construction, solid and reliable, guaranteed the quality of fit requirement between gear.
Reducer gear intensity height, bearing adopts back-to-back and installs, and guarantees the operate as normal of gear shaft, and impact resistance is big, stable and reliable operation, long service life, Maintenance and Repair convenient and efficient.Diameter of axle place has set oil sealing, and the lubricating oil that can effectively avoid splashing spills, and has improved the service life of bearing.
The set bolt of axle head plate is provided with locking bayonet lock and can effectively avoids when output shaft rotates, and bolt falling causes the axle head plate to be lost.The operate as normal of gear shaft, impact resistance is big, stable and reliable operation, long service life, Maintenance and Repair convenient and efficient.Set oil sealing in the saturating lid, the lubricating oil that can effectively avoid splashing spills, and has improved the service life of bearing.
Adopt the water-cooled cooling-part in the casing,, can effectively reduce the temperature in the reductor casing, avoid the caused fault of Yin Gaowen to take place for coiling shape cooling tube.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model.
Fig. 2 is a backsight structural representation of the present utility model.
Fig. 3 is the sectional structure schematic diagram of overlooking of the present utility model.
Among the figure: 1 is that input block, 10 is that shaft gear, 2 is that secondary drive disk assembly, 20 is that gear, 21 is that shaft gear, 3 is that three grades of drive disk assemblies, 30 are that gear, 31 is that shaft gear, 4 is that output block, 40 is that gear, 5 is that cooling-part, 6 is that upper box, 7 is that lower box, 8 is that bottom inspection hole cover, 9 is that top inspection hole cover, 10 is that sidepiece inspection hole cover, 11 is that sidepiece inspection hole cover window pad, 12 is that lubricating cup, 13 is that lifting bolt, 14 is an oil ga(u)ge.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of screening crusher reducer, comprise the upper box 6 and the lower box 7 that fasten up and down by bolt, upper box 6 and lower box 7 are welded by steel plate, constitute four reduction chamber, in four reduction chamber, be respectively equipped with the input block 1 that be arranged in parallel, secondary drive disk assembly 2, three grades of drive disk assemblies 3 and output blocks 4, the shaft gear 10 of input block 1 is connected with the gear 20 of secondary drive disk assembly 2, the shaft gear 21 of secondary drive disk assembly 2 is connected with the gear 30 of three grades of drive disk assemblies 3, and the shaft gear 31 of three grades of drive disk assemblies 3 is connected with the gear 40 of output block 4; Be respectively equipped with top inspection hole cover 9 and bottom inspection hole cover 8 on upper box 6 and the lower box 7, be provided with sidepiece inspection hole cover 10 in upper box 6 and lower box 7 junctions; Lower box 7 inside are provided with cooling-part 5, and cooling-part 5 is coiling shape cooling tube, form the cooling structure of circulation, and working medium is water.
Sidepiece inspection hole cover 10 is provided with sidepiece inspection hole cover window pad 11.One side of three grades of drive disk assemblies 3 is provided with oil ga(u)ge 14.Upper box 6 tops are provided with lifting bolt 13.Upper box 6 tops are provided with lubricating cup 12.
Input block 1 comprises the input gear shaft, and the input gear shaft is made up of spindle nose, axle body, end-journal, middle axle journal and shaft gear 10, and axle body is between end-journal and middle axle journal, and axle body is provided with shaft gear 10; It is spindle nose that the input gear shaft is arranged in axle journal one side, and spindle nose is provided with keyway.Be respectively equipped with bearing on end-journal and the middle axle journal, bearing is a taper roll bearing.Middle axle journal place is provided with lid, which is provided with cannelure, is provided with oil sealing in the cannelure.Cover thoroughly and be provided with lubricating cup, make things convenient for apply oil.
Secondary drive disk assembly 2 comprises gear shaft, is positioned at the shaft gear 21 of gear shaft axle body and is arranged on the gear 20 at gear shaft spindle nose place by key that the axle journal place at gear shaft two ends is provided with bearing respectively, and the two ends of gear shaft are respectively equipped with axle head plate and end cap.
Three grades of drive disk assemblies 3 comprise gear shaft, are positioned at the shaft gear 31 of gear shaft axle body and are arranged on the gear 30 at gear shaft spindle nose place by key that the axle journal place at gear shaft two ends is provided with bearing respectively, and the two ends of gear shaft are respectively equipped with axle head plate and end cap.
Secondary drive disk assembly 2 and three grades of drive disk assemblies 3 used bearings are spherical bearing.The axle head plate is fixedlyed connected with gear shaft with bolt by bolt respectively with end cap, and bolt is provided with locking bayonet lock, is provided with spring shim between bolt and the end cap.Can effectively avoid when output shaft rotates, bolt falling causes axle head plate and end cap to be lost.Be provided with the spacing collar between gear and the bearing.
Output block 4 comprises output shaft, is arranged on the gear 40 at output shaft axle body place by key, and the axle journal place at output shaft two ends is provided with bearing respectively, and the two ends of output shaft are respectively equipped with the first axle head plate and the second axle head plate; Be positioned at the output shaft first axle head plate one side and be provided with lid, be provided with axle sleeve between lid and the output shaft thoroughly, the position between lid and the axle sleeve is provided with annular groove thoroughly, and oil sealing is set in it.Saturating lid can be on the reductor casing by bolting.Bearing is a spherical bearing.Can effectively overcome the axial dipole field of output shaft.The first axle head plate is fixedlyed connected with output shaft with bolt by bolt respectively with the second axle head plate, and bolt is provided with locking bayonet lock, is provided with locking bayonet lock between the bolt.Can effectively avoid when output shaft rotates, bolt falling causes the axle head plate to be lost.Be provided with the spacing collar between gear and the bearing.
Upper box 6 and lower box 7 are welded-steel plate construction, and steel plate materials is Q345, and bearing block is the Q345 forging, the postwelding shot peening strengthening is conducted oneself after postwelding and the roughing and is imitated the destressing processing man-hour, and residual stress should meet the provisions of the relevant regulations issued by the State, and make lysimetric test, do not allow seepage.
Upper box 6 and lower box 7 internal spray oil resistance anticorrosions erosion priming paint, the senior antirust oil-proof varnish of shell can effectively be avoided the erosion of greasy dirt to casing.
Interface sizes such as installation dimension and input, output are surveyed and drawn to on-the-spot according to structural drawings, rule of thumb formula is calculated and is determined application factor, generally gets more than 1.75, guarantees to reach complete machine interchangeability with former machine.
Gear, gear shaft, shaft gear material adopt the 20CrNi2MoA forging, flank of tooth carburizing and quenching roll flute, and pitch circle place four point measurements, tooth face hardness HRC60 ± 3, the accuracy of gear is pressed 5 grades of execution of ISO1328-1:1995 standard.Carburized layer depth adopts 0.15～0.2 times the modulus degree of depth that is higher than GB.Material of transmission shaft adopts 42CrMoA forging, modifier treatment, hardness HB250～290.
Carry out the interior tissue flaw detection after the forging roughing, quality is not less than the I level among the JB/ZQ5000, magnetic powder detection after gear, gear shaft, the shaft gear fine finishining.
Adopt splash lubrication, high speed shaft adopts forced feed lubrication in case of necessity; The type of cooling is to be cooled to the master naturally, and the auxiliary water cooling device is as standby; Reductor adopts import brand bearings such as SKF or NSK; 20 years projected lives of reductor guarantee 10 years service life, press the calculating of 24h duty; Reductor is checked and accepted and is comprised the process examination, and unloaded test run is checked and accepted; All more than 1.3, bending strength is more than 1.9 through the checking computations contact strength for reducer gear intensity; Imported and famous brand is adopted in the reductor sealing: Japanese NOK, U.S. Othello, Taiwan DZ, Dutch ERIKS etc.
Explanation about reductor safety coefficient 1.75:
According to mechanical industry general standard: JB/T7000-93, JB/T8853-2001 etc., Ka (application factor) sets 1.75, mechanism of working around the clock, thump load; Sa (safety coefficient) generally selects principle for use: 1.1～1.3 general device, reductor lost efficacy and only cause the unit stopping production and easily change spare part; 1.3～1.5 visual plants, reductor lost efficacy and caused unit, production line or complete plant shutdown; 1.5～1.7 high safety equipment, reductor lost efficacy and caused equipment and personal injury.
So reductor of the present utility model determines that safety coefficient is 1.75 when design.But use power calculation according to reality at present, the reductor safety factor of design is 3.125, guarantees to transform the instructions for use that reductor can reach the import reductor.
The hardware that the utility model does not relate to all can pass through existing techniques in realizing.
Claims (5)
1. screening crusher reducer, comprise the upper box (6) and the lower box (7) that fasten up and down by bolt, it is characterized in that described upper box (6) and lower box (7) are welded by steel plate, constitute four reduction chamber, in four reduction chamber, be respectively equipped with the input block (1) that be arranged in parallel, secondary drive disk assembly (2), three grades of drive disk assemblies (3) and output block (4), the shaft gear (10) of input block (1) is connected with the gear (20) of secondary drive disk assembly (2), the shaft gear (21) of secondary drive disk assembly (2) is connected with the gear (30) of three grades of drive disk assemblies (3), and the shaft gear (31) of three grades of drive disk assemblies (3) is connected with the gear (40) of output block (4); Be respectively equipped with top inspection hole cover (9) and bottom inspection hole cover (8) on upper box (6) and the lower box (7), be provided with sidepiece inspection hole cover (10) in upper box (6) and lower box (7) junction; Lower box (7) inside is provided with cooling-part (5), and cooling-part (5) is coiling shape cooling tube, forms the cooling structure of circulation.
2. screening crusher reducer according to claim 1 is characterized in that described sidepiece inspection hole cover (10) is provided with sidepiece inspection hole cover window pad (11).
3. screening crusher reducer according to claim 1 is characterized in that a side of described three grades of drive disk assemblies (3) is provided with oil ga(u)ge (14).
4. screening crusher reducer according to claim 1 is characterized in that described upper box (6) top is provided with lifting bolt (13).
5. screening crusher reducer according to claim 1 is characterized in that described upper box (6) top is provided with lubricating cup (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464848U CN201446000U (en) | 2009-07-01 | 2009-07-01 | Speed reducer of screening and crushing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464848U CN201446000U (en) | 2009-07-01 | 2009-07-01 | Speed reducer of screening and crushing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201446000U true CN201446000U (en) | 2010-05-05 |
Family
ID=42550709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200464848U Expired - Fee Related CN201446000U (en) | 2009-07-01 | 2009-07-01 | Speed reducer of screening and crushing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201446000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242805A (en) * | 2011-07-11 | 2011-11-16 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
-
2009
- 2009-07-01 CN CN2009200464848U patent/CN201446000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242805A (en) * | 2011-07-11 | 2011-11-16 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
| CN102242805B (en) * | 2011-07-11 | 2014-03-19 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20140701 |
|
| EXPY | Termination of patent right or utility model |