CN203189630U - Speed reducer for large torque wet-type cement stirring transport vehicle - Google Patents
Speed reducer for large torque wet-type cement stirring transport vehicle Download PDFInfo
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- CN203189630U CN203189630U CN 201320221192 CN201320221192U CN203189630U CN 203189630 U CN203189630 U CN 203189630U CN 201320221192 CN201320221192 CN 201320221192 CN 201320221192 U CN201320221192 U CN 201320221192U CN 203189630 U CN203189630 U CN 203189630U
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Abstract
The utility model relates to a speed reducer for a large torque wet-type cement stirring transport vehicle, and belongs to the technical field of mechanical transmission. According to the technical scheme, a shell, a first class parallel shaft reducing mechanism, a second class planet reducing mechanism, a third class planet reducing mechanism and an output mechanism are included, the first class parallel shaft reducing mechanism and the second class planet reducing mechanism which are arranged inside the shell are matched and connected, the second class planet reducing mechanism and the third class planet reducing mechanism are matched and connected, and the third class planet reducing mechanism and the output mechanism are matched and connected. According to the speed reducer for the large torque wet-type cement stirring transport vehicle, an input shaft is connected with a power taking device of an automobile engine, a three-class planet reducing method is used so that a large reduction ratio from the engine to the output end of the speed reducer can be achieved, the speed of a cement stirring pot can reach 3-20 turns per minute, the functions of speed reducing and torque increasing are effectively achieved, the speed reducer can drive the cement stirring pot in a large torque mode, a current market is adapted, the quality requirements of a generous wet-type cement tank wagon which is large in torque, low in rotation speed and high in utilization rate are guaranteed to be met, and service life is prolonged.
Description
Technical field
The utility model relates to a kind of high pulling torque wet type cement agitator truck speed reducer, belongs to the mechanical transmissioning technology field.
Background technique
At present, basically all use secondary planet to slow down as the used speed reducer of wet type cement agitator truck, this kind speed reducer has high rigidity, highi degree of accuracy, high transmission efficiency (single-stage is at 97%-98%), high characteristics such as moment of torsion/volume ratio, be fit to very much be applied to this reduction rotating speed of picture concrete mixer, promote the occasion of moment of torsion.But along with market and the client requirement to the transportation high pulling torque, this secondary planet speed reducer seems somewhat unable to do what one wishes, can't satisfy the requirement of big capacity transport of cement.
The model utility content
The utility model purpose provides a kind of high pulling torque wet type cement agitator truck speed reducer, use three grades of decelerations, guarantee the quality requirement of the wet type bulk cement carrier of high pulling torque, the slow-speed of revolution, high utilization rate, improved working life, solved the problems referred to above that background technique exists.
The technical solution of the utility model is: a kind of high pulling torque wet type cement agitator truck speed reducer, comprise housing, one-level parallel axes reducing gear, secondary planet reducing gear, third-level planetary reducing gear and output mechanism, the one-level parallel axes reducing gear that is arranged in the housing is connected with secondary planet reducing gear coupling, the secondary planet reducing gear is connected with third-level planetary slowing-down structure coupling, and the third-level planetary slowing-down structure is connected with the output mechanism coupling.
Described one-level parallel axes reducing gear, comprise one-level input gear fore bearing, one-level input gear, one-level input gear rear bearing, ball bearing and one-level output gear, one-level input gear is arranged on the axle between one-level input gear fore bearing and the one-level input gear rear bearing, the one-level output gear is arranged on the ball bearing, and one-level input gear is meshed with the one-level output gear.
Described secondary planet reducing gear comprises secondary planetary gear, secondary planetary gear selfaligning roller bearing, secondary input gear, secondary gear ring and secondary planet support; The one-level output gear of secondary input gear and one-level parallel axes reducing gear, gear shaft connects by the spline coupling; Secondary input gear is meshed with three secondary planetary gears, and secondary planetary gear is arranged on the secondary planetary gear selfaligning roller bearing; Be provided with the secondary gear ring that is complementary with secondary planetary gear at housing, the output terminal of secondary planetary gear is provided with the secondary planet support.
Described third-level planetary reducing gear comprises third-level planetary gear, third-level planetary gear needle bearing, three grades of input gears, three grades of gear rings and third-level planetary frame; Three grades of input gears are connected with the secondary planet support of secondary planet reducing gear; Three grades of input gears are meshed with three third-level planetary gears, and the third-level planetary gear is arranged on the third-level planetary gear needle bearing; Be provided with three grades of gear rings that are complementary with the third-level planetary gear at housing, the output terminal of third-level planetary gear is provided with the third-level planetary frame.
Described housing comprises front case and the rear case of combining.
Described output mechanism comprises output terminal supporting sleeve, output selfaligning roller bearing, output flange and three grades of output shafts, and the output terminal supporting sleeve is the crowned teeth structure, and the third-level planetary frame of third-level planetary reducing gear connects the output terminal supporting sleeve; The third-level planetary frame is mouse cage type structure, and between third-level planetary frame and three grades of output shafts the thrust-bearing connection is not set, forms oil films by three grades of output shaft upper-end surface tank structures, realizes the sliding friction that no bearing connects between two parts; The third-level planetary frame adopts spheric structure to cooperate with the output flange top, and the third-level planetary frame is concave surface, and the output flange top is convex surface; Three grades of output shafts are arranged on the output selfaligning roller bearing.
Technical characterstic of the present utility model: (one) one-level parallel axes reducing gear, secondary planet reducing gear and third-level planetary reducing gear, can realize big retarding ratio, high pulling torque output; (2) the secondary gear ring of secondary planet reducing gear has adopted the technology of middle-carbon steel glow discharge nitriding, has effectively controlled heat treatment deformation and has guaranteed the high class gear engagement; Three grades of gear rings of third-level planetary reducing gear belong to low-speed heave-load, and heat treatment process has adopted the low carbon steel carburizing quenching process, quench to use and press the control distortion of quenching, and reach the balance of intensity and precision; (3) adopt the secondary planetary gear selfaligning roller bearing on the secondary planetary gear, can the Basis of Gear Deviation Load in the certain limit be adapted to, be conducive to planetary pinion and all carry; (3) support of cylinder third-level planetary gear needle bearing is completely adorned in employing on the third-level planetary gear, and bearing capacity is strong, saves the space, effectively reduces cost; (4) three grades of output shafts connect spline and adopt crowned teeth with output flange, can alleviate the influence that the output flange beat causes driving gear; (5) adopt the output selfaligning roller bearing to support on the output flange axle, can suitably regulate the output flange beat, jolt to adapt to the vehicle tank body; (6) the secondary planet support has all adopted knee wall and the integrated design of secondary planetary gear bearing pin, has simplified design and assembling, the position degree of easier assurance bearing pin; (7) the third-level planetary frame material has used the spheroidal graphite cast iron of the high trade mark, spheroidal graphite cast iron has higher yield strength when having kept the good damping property of gray iron, the third-level planetary frame has adopted squirrel-cage, the common single-cantilever structure in the assembling mode of third-level planetary gear and market is compared, effectively optimize stressed distribution, reduced the distortion of third-level planetary gear position behind the stand under load.In addition, third-level planetary frame and output flange top adopt spheric structure to cooperate, with displacement and the impact that adapts to output flange generation beat and caused when jolting; The third-level planetary frame contacts the sliding friction mode that adopted with three grades of output shaft end faces, form oil film by third-level planetary gear face oil groove structure, realize the sliding friction that no bearing connects between two parts, the friction position of third-level planetary frame adopts induction hardening to reach requirement of strength.
The utility model working procedure: the power of one-level parallel axes reducing gear is passed to the secondary planet reducing gear by the spline on the secondary input shaft, and the power of secondary planet reducing gear is passed to the third-level planetary reducing gear by the spline on three grades of input shafts; The output of the power of third-level planetary reducing gear relies on the internal tooth on the third-level planetary frame to pass to output terminal supporting sleeve (on crowned teeth is arranged), pass to output flange (having the output selfaligning roller bearing to be used for adapting to the output flange pivot angle on the output flange axle) by the output terminal supporting sleeve by spline again, drive cement agitating tank by output flange and rotate.So just can form three grades of reducing gears and reach reduction of speed and increase the purpose of turning round, but and the certain pivot angle of self adaption.
The beneficial effects of the utility model: guaranteed the quality requirement of the wet type bulk cement carrier of high pulling torque, the slow-speed of revolution, high utilization rate, improved working life; The one-level parallel axes slows down, three grades of reducing gears of two-stage planetary reduction gear owing to use, so effectively dwindled physical dimension, realized the high efficiency transmission, have characteristics such as high rigidity, highi degree of accuracy, high transmission efficiency (single-stage is at 97%-98%), high transmission ratio, high output torque/volume ratio, be fit to very much be applied to the occasion of big retarding ratio, high moment of torsion; The secondary planetary gear spring bearing has used selfaligning bearing, and the third-level planetary output terminal is connected spline with output flange and has adopted crowned teeth, effectively like this overcome the influence that the output flange beat causes planetary pinion, the big flange plate output shaft that links to each other with agitator tank has simultaneously also used the selfaligning bearing support, both can so that the output flange pivot angle in ± 6 °, effectively avoided and being rigidly connected of agitator tank, make vehicle can effectively adapt to certain fluctuating of jolting in the process of moving, promoted the reliability of bearing again; The third-level planetary frame has adopted mouse cage type structure, has effectively improved support intensity, has optimized stressed distribution; The two-stage external toothing has all used advanced laser-quenching technique, has effectively guaranteed the design usage requirement of product.
Description of drawings
Accompanying drawing 1 is the utility model embodiment's structural representation;
Accompanying drawing 2 is the utility model third-level planetary shelf structure schematic representation one;
Accompanying drawing 3 is the utility model third-level planetary shelf structure schematic representation two;
Among the figure: 1, one-level input gear fore bearing, 2, one-level input gear, 3, one-level input gear rear bearing, 4, ball bearing, 5, the one-level output gear, 6, secondary input gear, 7, the secondary planetary gear selfaligning roller bearing, 8, secondary planetary gear, 9, the secondary gear ring, 10, the secondary planet support, 11, three grades of input gears, 12, three grades of gear rings, 13, the third-level planetary gear, 14, third-level planetary gear needle bearing, 15, the third-level planetary frame, 16, the output terminal supporting sleeve, 17, the output selfaligning roller bearing, 18, output flange, 19, rear case, 20, front case.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
A kind of high pulling torque wet type cement agitator truck speed reducer, comprise housing, one-level parallel axes reducing gear, secondary planet reducing gear, third-level planetary reducing gear and output mechanism, the one-level parallel axes reducing gear that is arranged in the housing is connected with secondary planet reducing gear coupling, the secondary planet reducing gear is connected with third-level planetary slowing-down structure coupling, and the third-level planetary slowing-down structure is connected with the output mechanism coupling.
Described one-level parallel axes reducing gear, comprise one-level input gear fore bearing 1, one-level input gear 2, one-level input gear rear bearing 3, ball bearing 4 and one-level output gear 5, one-level input gear is arranged on the axle between one-level input gear fore bearing and the one-level input gear rear bearing, the one-level output gear is arranged on the ball bearing, and one-level input gear is meshed with the one-level output gear.
Described secondary planet reducing gear comprises secondary planetary gear 8, secondary planetary gear selfaligning roller bearing 7, secondary input gear 6, secondary gear ring 9 and secondary planet support 10; The one-level output gear of secondary input gear and one-level parallel axes reducing gear, gear shaft connects by the spline coupling; Secondary input gear is meshed with three secondary planetary gears, and secondary planetary gear is arranged on the secondary planetary gear selfaligning roller bearing; Be provided with the secondary gear ring 9 that is complementary with secondary planetary gear at housing, the output terminal of secondary planetary gear is provided with secondary planet support 10.
Described third-level planetary reducing gear comprises third-level planetary gear 13, third-level planetary gear needle bearing 14, three grades of input gears 11, three grades of gear rings 12 and third-level planetary frame 15; Three grades of input gears are connected with the secondary planet support of secondary planet reducing gear; Three grades of input gears are meshed with three third-level planetary gears, and the third-level planetary gear is arranged on the third-level planetary gear needle bearing; Be provided with three grades of gear rings 12 that are complementary with the third-level planetary gear at housing, the output terminal of third-level planetary gear is provided with third-level planetary frame 15.
Described housing comprises front case 20 and the rear case of combining 19.
Described output mechanism comprises output terminal supporting sleeve 16, output selfaligning roller bearing 17, output flange 18 and three grades of output shafts, and the output terminal supporting sleeve is the crowned teeth structure, and the third-level planetary frame of third-level planetary reducing gear connects the output terminal supporting sleeve; The third-level planetary frame is mouse cage type structure, and between third-level planetary frame and three grades of output shafts the thrust-bearing connection is not set, forms oil film by the end face tank structure on three grades of output shafts, realizes the sliding friction that no bearing connects between two parts; The third-level planetary frame adopts spheric structure to cooperate with the output flange top, and the third-level planetary frame is concave surface, and the output flange top is convex surface; Three grades of output shafts are arranged on the output selfaligning roller bearing.
Working procedure more specifically:
Power is passed to the one-level input shaft from the motor car engine power taking and through after the fluid motor-driven by spline, the rear end design of one-level input shaft has one-level input gear 2, one-level input gear 2 is passed to one-level output gear 5 with power, has realized like this that the one-level parallel axes slows down to increase to turn round.
One-level output gear 5 is passed to secondary input gear 6 by spline, secondary input gear 6 is meshed with secondary planetary gear 8, secondary planetary gear 8 is placed on the secondary planet support 10 by output secondary planetary gear selfaligning roller bearing 7, secondary gear ring on secondary planetary gear 8 and the front case 20 9 engagements simultaneously, power has been passed to secondary planet support 10 under the secondary planet reducing gear slows down like this, realized that double reduction increases and turned round, and because the existence of secondary planetary gear selfaligning roller bearing is arranged, can adapt to the load beat within the specific limits.Secondary planet support bore design is processed into internal spline and links to each other with three grades of input shafts.
The other end of three grades of input shafts is processed into three grades of input gears 11 and meshes with third-level planetary gear 13.Because the restriction of radial space structure, third-level planetary gear 13 is placed on the third-level planetary frame by third-level planetary gear needle bearing 14, third-level planetary gear 13 simultaneously with rear case 19 on 12 engagements of three grades of gear rings, formed the third-level planetary reducing gear.The third-level planetary frame exports power to the output terminal supporting sleeve by the involute splines pair.The cydariform involute splines of output terminal supporting sleeve also has the ability of certain adaptation beat.The internal spline that passes through of output terminal supporting sleeve 16 is passed to output flange 18 at last to power, and output flange 18 is connected with the cement silo of speed reducer outside again, thereby drives the cement silo of low speed, high pulling torque, has realized that three grades of decelerations increase the effect of turning round.Here the output flange axle also is to be supported on the rear case 19 by output selfaligning roller bearing 17, thereby allows flange plate that certain pivot angle is arranged, thereby adapts to jolting and rising and falling of vehicle.Vehicle-mounted experiment shows: this speed reducer can realize that generous amount wet type concrete mixer deceleration increases the requirement of turning round, and can be good at adapting to the condition of jolting under the different road conditions and rising and falling, and the life-span is suitable with external like product.
Claims (6)
1. high pulling torque wet type cement agitator truck speed reducer, it is characterized in that: comprise housing, one-level parallel axes reducing gear, secondary planet reducing gear, third-level planetary reducing gear and output mechanism, the one-level parallel axes reducing gear that is arranged in the housing is connected with secondary planet reducing gear coupling, the secondary planet reducing gear is connected with third-level planetary reducing gear coupling, and the third-level planetary reducing gear is connected with the output mechanism coupling.
2. a kind of high pulling torque wet type cement agitator truck speed reducer according to claim 1, it is characterized in that: described one-level parallel axes reducing gear, comprise one-level input gear fore bearing (1), one-level input gear (2), one-level input gear rear bearing (3), ball bearing (4) and one-level output gear (5), one-level input gear is arranged on the axle between one-level input gear fore bearing and the one-level input gear rear bearing, the one-level output gear is arranged on the ball bearing, and one-level input gear is meshed with the one-level output gear.
3. a kind of high pulling torque wet type cement agitator truck speed reducer according to claim 1 and 2, it is characterized in that: described secondary planet reducing gear comprises secondary planetary gear (8), secondary planetary gear selfaligning roller bearing (7), secondary input gear (6), secondary gear ring (9) and secondary planet support (10); The one-level output gear of secondary input gear and one-level parallel axes reducing gear, gear shaft connects by the spline coupling; Secondary input gear is meshed with three secondary planetary gears, and secondary planetary gear is arranged on the secondary planetary gear selfaligning roller bearing; Be provided with the secondary gear ring (9) that is complementary with secondary planetary gear at housing, the output terminal of secondary planetary gear is provided with secondary planet support (10).
4. a kind of high pulling torque wet type cement agitator truck speed reducer according to claim 1 and 2, it is characterized in that: described third-level planetary reducing gear comprises third-level planetary gear (13), third-level planetary gear needle bearing (14), three grades of inputs gear (11), three grades of gear rings (12) and third-level planetary framves (15); Three grades of input gears are connected with the secondary planet support of secondary planet reducing gear; Three grades of input gears are meshed with three third-level planetary gears, and the third-level planetary gear is arranged on the third-level planetary gear needle bearing; Be provided with the three grades of gear rings (12) that are complementary with the third-level planetary gear at housing, the output terminal of third-level planetary gear is provided with third-level planetary frame (15).
5. a kind of high pulling torque wet type cement agitator truck speed reducer according to claim 1 and 2, it is characterized in that: described output mechanism comprises output terminal supporting sleeve (16), output selfaligning roller bearing (17), output flange (18) and three grades of output shafts, the output terminal supporting sleeve is the crowned teeth structure, and the third-level planetary frame of third-level planetary reducing gear connects the output terminal supporting sleeve; The third-level planetary frame is mouse cage type structure, and between third-level planetary frame and three grades of output shafts the thrust-bearing connection is not set, forms oil films by three grades of output shaft upper-end surface tank structures, realizes the sliding friction that no bearing connects between two parts; The third-level planetary frame adopts spheric structure to cooperate with the output flange top, and the third-level planetary frame is concave surface, and the output flange top is convex surface; Three grades of output shafts are arranged on the output selfaligning roller bearing.
6. a kind of high pulling torque wet type cement agitator truck speed reducer according to claim 1 and 2, it is characterized in that: described housing comprises front case (20) and the rear case of combining (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221192 CN203189630U (en) | 2013-04-27 | 2013-04-27 | Speed reducer for large torque wet-type cement stirring transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221192 CN203189630U (en) | 2013-04-27 | 2013-04-27 | Speed reducer for large torque wet-type cement stirring transport vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203189630U true CN203189630U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320221192 Expired - Fee Related CN203189630U (en) | 2013-04-27 | 2013-04-27 | Speed reducer for large torque wet-type cement stirring transport vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485984A (en) * | 2019-09-20 | 2019-11-22 | 烟台杰瑞石油装备技术有限公司 | A kind of turbine fracturing unit that semi-mounted is vehicle-mounted |
-
2013
- 2013-04-27 CN CN 201320221192 patent/CN203189630U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485984A (en) * | 2019-09-20 | 2019-11-22 | 烟台杰瑞石油装备技术有限公司 | A kind of turbine fracturing unit that semi-mounted is vehicle-mounted |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20210427 |