CN101660598A - Power transmission method and device for engineering machinery - Google Patents
Power transmission method and device for engineering machinery Download PDFInfo
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- CN101660598A CN101660598A CN200810304192A CN200810304192A CN101660598A CN 101660598 A CN101660598 A CN 101660598A CN 200810304192 A CN200810304192 A CN 200810304192A CN 200810304192 A CN200810304192 A CN 200810304192A CN 101660598 A CN101660598 A CN 101660598A
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- gear
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- engineering machinery
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Abstract
The invention discloses power transmission method and device for engineering machinery. In the method, an input interface arranged on a lower casing is connected with a dual-function interface and anoutput interface which are arranged on an upper casing through a middle casing; the input interface changes the direction of input power through a pair of bevel gears arranged inside the lower casingand transfers the power to the upper casing through a long axis arranged inside the middle casing, and changes the direction of the power from the long axis through a pair of bevel gears in the uppercasing; the speed of the power is changed through a driving gear, a transition gear and a driven gear; and both ends of the driven gear are respectively used as the dual-function interface and the output interface. The device is an integrated gear reducer which can ensure the integrity of a transmission system and is L shaped, thereby being convenient for installation. The device has the advantages of simple structure, less quantity of used parts, low manufacturing cost, high transmission efficiency, stable operation and low noise. The device can adopt a simple lubrication mode during operation, thereby reducing the lubrication cost.
Description
Technical field
The present invention relates to a kind of method of power transmission and device, particularly relate to a kind of method of power transmission and device that is used for engineering machinery.
Background technique
Double frequency motor, hydraulic-pressure pump, motor and gearbox are installed on engineering machinery, and the power of motor is exported by the power take-off on the gearbox.In order to give double frequency motor and hydraulic-pressure pump, need a kind of power transmitting deice with the transmission of power of motor.This power transmitting deice should have an input interface to be connected with power take-off, has an output port to be connected with the double frequency motor with hydraulic-pressure pump respectively with a difunctional interface, can not change the mounting point of each parts in the existing engineering machinery.At the power take-off of engine power output interface on the engineering machinery between the gearbox below the chassis auxiliary frame, transfer case and transmission shaft, the spatial position is very narrow, and stressed member double frequency motor and hydraulic-pressure pump are installed in the chassis auxiliary frame top, therefore, there are following two problems in this project machinery, the one, influenced with the engine power output interface by the spatial position and be connected difficulty, the 2nd, transmission of power is longer at the route of Vertical direction, influences transmission efficiency.
The available dynamic transmission method is to adopt main-gear box and two independent parts of pinion case, and main-gear box is installed in the chassis auxiliary frame top, and realization is connected with hydraulic-pressure pump and double frequency motor; The pinion case is installed in the chassis auxiliary frame below, and realization is connected with the input of the power take-off of engine mission; And then main-gear box is connected with the pinion case by adpting flange.Because transmission of power is longer at the route of Vertical direction, so the pinion case adopts multistage column gear transmission mode.
Present this method of power transmission owing to adopt main-gear box and two independent parts of pinion case, influences the integrity of transmission system, in addition during the pinion case below being positioned at chassis auxiliary frame, still can be subjected to the spatial position influence, very trouble is installed, be not easy to fitting operation.Because transmission of power is longer at the route of Vertical direction, in order to guarantee to be connected with the main-gear box of chassis auxiliary frame top, the pinion case adopts multistage column gear transmission mode, has complex structure, number of spare parts is many, manufacture cost is high, transmission efficiency is low and running noise is big problem.Because in this multistage column gear transmission mode, the lubricated mode that can only adopt oil jet lubrication of gear and bearing not only needs the complicated lubrication system of one cover of design in addition, and requires quite high to the turbidity test of lubricant oil.
Summary of the invention
The objective of the invention is to: a kind of method of power transmission and device that is used for engineering machinery is provided.It adopts integral structure to guarantee the integrity of transmission system, and is easy for installation.And have simple in structure, number of spare parts is few, low cost of manufacture, transmission efficiency height and the little characteristics of running noise.It is less demanding to lubrication system in running, can adopt simple lubricating system, reduces lubricated cost.
Technological scheme of the present invention.A kind of method of power transmission that is used for engineering machinery.The input interface that this method will be located on the lower shell body is connected as a whole by middle casing with difunctional interface on being located at upper shell with output interface; Input interface will be imported direction-variable power by the bevel-gear sett that is located in the lower shell body, major axis in being located at middle casing arrives upper shell with transmission of power, will be from the direction-variable power of major axis in upper shell by bevel-gear sett, and through driving gear, transition gear and driven gear speed change, the driven gear two ends are respectively as difunctional interface and output interface.
The above-mentioned method of power transmission that is used for engineering machinery, described input power is from the power take-off of engine power output interface on the engineering machinery.
The aforesaid method of power transmission that is used for engineering machinery, described driven gear one end is connected with the double frequency motor, and for the double frequency motor provides power or obtains the power of double frequency motor, the driven gear the other end provides power for hydraulic-pressure pump.
The aforesaid method of power transmission that is used for engineering machinery is provided with independent oil sump respectively in described lower shell body and the upper shell, adopt oil sump splash lubrication mode to provide lubricated for the gear in bevel-gear sett in the lower shell body and the upper shell.
The power transmitting deice that is used for engineering machinery according to the aforesaid method of power transmission that is used for engineering machinery is made comprises major axis, and vertical bevel gear is equipped with down in the major axis lower end, and vertical bevel gear is equipped with in the major axis upper end; Vertical down bevel gear and down horizontal bevel gear engagement, following horizontal bevel gear is connected with the input interface flange through input shaft; Go up vertical bevel gear and last horizontal bevel gear engagement, go up horizontal bevel gear and be connected with driving gear through driving shaft, driving gear is in transmission connection through transition gear and driven gear, and driven gear is connected with transmission shaft.
The above-mentioned power transmitting deice that is used for engineering machinery, described down vertical bevel gear is provided with lower shell body with the outside of following horizontal bevel gear engagement place, on lower shell body, the lower shell body bottom is provided with the lower shell body oil sump through bearings at the input shaft two ends, and lower shell body oil sump bottom is provided with the lower shell body drain oil.
The aforesaid power transmitting deice that is used for engineering machinery, described major axis is provided with middle casing outward, and the major axis bottom is bearing on the middle casing through bearing, and the middle casing bottom is provided with oil-through hole, and the middle casing lower end is connected with the lower shell body upper end.
The aforesaid power transmitting deice that is used for engineering machinery, described driving gear, transition gear and driven gear outside are provided with upper shell, driving shaft, the transition axis that is connected with transition gear and transmission shaft are bearing on the upper shell through bearing, and upper shell is provided with pinion case oil hole; Upper shell is provided with the attachment face that is connected with chassis auxiliary frame, attachment face is provided with mounting hole, the upper shell bottom is provided with the upper shell oil sump, the side of upper shell oil sump bottom is provided with the upper shell drain oil, the upper shell lower end is connected with the middle casing upper end, the upper shell upper end is connected with case lid, and case lid is provided with the main-gear box oil hole.
The aforesaid power transmitting deice that is used for engineering machinery, described upper shell and case lid and inner gear constitute main-gear box, lower shell body and inner gear constitute the pinion case, middle casing and inner major axis connects main-gear box and the pinion case constitutes integrated gear reduction box, integrated gear reduction box be shaped as " factory " font.
Compared with prior art, the present invention is made into integral structure with main-gear box and pinion case, can guarantee the integrity of transmission system, and is easy for installation.The pinion case is only finished the break-in function by the one-level bevel gear drive, and finish transmission of power between pinion case and the main-gear box by major axis, energy loss is few in the transmittance process, transmission efficiency height, few, the low cost of manufacture of simple in structure, used number of spare parts.Running is steady in transmittance process, noise is little.Owing in pinion case and main-gear box, all adopt independently oil sump, provide lubricated by oil sump splash lubrication mode for pinion case and main-gear box, simplified the oil jet lubrication system of complexity in the prior art, and less demanding to the turbidity test of lubricant oil, can reduce lubricated cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the plan view of removing among Fig. 1 behind the case lid;
Fig. 3 is an outline drawing of the present invention.
Being labeled as in the accompanying drawing: 1-major axis, the down vertical bevel gear of 2-, the last vertical bevel gear of 3-, horizontal bevel gear under the 4-, 5-input shaft, 6-input interface flange, the last horizontal bevel gear of 7-, 8-driving shaft, 9-driving gear, the 10-transition gear, 11-driven gear, 12-transmission shaft, the 13-lower shell body, 14-lower shell body oil sump, 15-lower shell body drain oil, the 16-middle casing, 17-oil-through hole, 18-upper shell, the 19-transition axis, 20-attachment face, 21-mounting hole, 22-upper shell oil sump, 23-upper shell drain oil, 24-case lid, the 25-oil hole, 26-main-gear box, 27-pinion case, the difunctional interface of A-, the B-output interface.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but not as limitation of the present invention.
Embodiments of the invention.A kind of method of power transmission that is used for engineering machinery is as Fig. 1, Fig. 2 and shown in Figure 3.The input interface that this method will be located on the lower shell body 13 is connected as a whole with difunctional interface A on being located at upper shell 18 with output interface A by middle casing 16; Input interface will be imported direction-variable power by the bevel-gear sett that is located in the lower shell body 13, major axis 1 in being located at middle casing 16 arrives upper shell 18 with transmission of power, will be from the direction-variable power of major axis 1 in upper shell 18 by bevel-gear sett, and through driving gear 9, transition gear 10 and driven gear 11 speed changes, driven gear 11 two ends are respectively as difunctional interface A and output interface B.Difunctional interface A is connected with the double frequency motor, and for the double frequency motor provides power or obtains the power of double frequency motor, output interface B provides power for hydraulic-pressure pump.In described lower shell body 13 and the upper shell 18 independent oil sump is set respectively, adopts oil sump splash lubrication mode to provide lubricated for the gear in bevel-gear sett in the lower shell body 13 and the upper shell 18.
The power transmitting deice that is used for engineering machinery with method of the present invention is made comprises major axis 1, and major axis 1 lower end is provided with down vertical bevel gear 2, and major axis 1 upper end is provided with vertical bevel gear 3; Vertical down bevel gear 2 and down horizontal bevel gear 4 engagements, following horizontal bevel gear 4 is connected with input interface flange 6 through input shaft 5; Go up vertical bevel gear 3 and last horizontal bevel gear 7 engagements, go up horizontal bevel gear 7 and be connected with driving gear 9 through driving shaft 8, driving gear 9 is in transmission connection through transition gear 10 and driven gear 11, and driven gear 11 is connected with transmission shaft 12.Be provided with lower shell body 13 in the outside of indulging bevel gear 2 and following horizontal bevel gear 4 engagement places down, on lower shell body 13, lower shell body 13 bottoms are provided with lower shell body oil sump 14 through bearings at input shaft 5 two ends, and lower shell body oil sump 14 bottoms are provided with lower shell body drain oil 15.Be provided with middle casing 16 outside major axis 1, major axis 1 bottom is bearing on the middle casing 16 through bearing, and middle casing 16 bottoms are provided with oil-through hole 17, and middle casing 16 lower ends are connected with lower shell body 13 upper ends.Be provided with upper shell 18 in driving gear 9, transition gear 10 and driven gear 11 outsides, driving shaft 8, the transition axis 19 that is connected with transition gear 10 and transmission shaft 12 are bearing on the upper shell 18 through bearing, upper shell 18 is provided with oil hole 25, and oil hole 25 is simultaneously also as air hole; Upper shell 18 is provided with the attachment face 20 that is connected with chassis auxiliary frame, attachment face 20 is provided with mounting hole 21, upper shell 18 bottoms are provided with upper shell oil sump 22, the side of upper shell oil sump 22 bottoms is provided with upper shell drain oil 23, upper shell 18 lower ends are connected with middle casing 16 upper ends, upper shell 18 upper ends are connected with case lid 24, and case lid 24 is provided with oil hole 25, and oil hole 25 is simultaneously also as air hole.Upper shell 18 of the present invention and case lid 24 and inner gear constitute main-gear box 26, lower shell body 13 and inner gear constitute pinion case 27, middle casing 16 and inner major axis 1 connects main-gear box 26 and pinion case 27 constitutes integrated gear reduction box, integrated gear reduction box be shaped as " factory " font.Top main-gear box 26 constitutes a horizontal stroke of " factory " fonts, main-gear box 26 is provided with the attachment face 20 that is connected with chassis auxiliary frame, attachment face 20 is provided with mounting hole 21, during installation, perpendicular chassis auxiliary frame below that reaches with " factory " font, be connected with the power take-off on the engine mission, and then the attachment face that is connected with chassis auxiliary frame 20 on the main-gear box 26 is placed on the chassis auxiliary frame uses bolt by mounting hole 21.Steady in order to turn round, and improve carry-over moment, bevel gear used among the present invention is all adopted spiral bevel gear.
Claims (9)
1. method of power transmission that is used for engineering machinery is characterized in that: the input interface that this method will be located on the lower shell body is connected as a whole by middle casing with difunctional interface on being located at upper shell with output interface; Input interface will be imported direction-variable power by the bevel-gear sett that is located in the lower shell body, major axis in being located at middle casing arrives upper shell with transmission of power, will be from the direction-variable power of major axis in upper shell by bevel-gear sett, and through driving gear, transition gear and driven gear speed change, the driven gear two ends are respectively as difunctional interface and output interface.
2. the method for power transmission that is used for engineering machinery according to claim 1 is characterized in that: described input power is from the power take-off of engine power output interface on the engineering machinery.
3. the method for power transmission that is used for engineering machinery according to claim 2, it is characterized in that: described driven gear one end is connected with the double frequency motor, for the double frequency motor provides power or obtains the power of double frequency motor, the driven gear the other end provides power for hydraulic-pressure pump.
4. the method for power transmission that is used for engineering machinery according to claim 3, it is characterized in that: independent oil sump is set respectively in described lower shell body and the upper shell, adopts oil sump splash lubrication mode to provide lubricated for the gear in bevel-gear sett in the lower shell body and the upper shell.
5. power transmitting deice that is used for engineering machinery of making according to the described method of power transmission that is used for engineering machinery of claim 1 to 4, it is characterized in that: comprise major axis (1), vertical bevel gear (2) is equipped with down in major axis (1) lower end, and vertical bevel gear (3) is equipped with in major axis (1) upper end; Vertical down bevel gear (2) and horizontal bevel gear (4) engagement down, following horizontal bevel gear (4) is connected with input interface flange (6) through input shaft (5); Go up vertical bevel gear (3) and last horizontal bevel gear (7) engagement, going up horizontal bevel gear (7) is connected with driving gear (9) through driving shaft (8), driving gear (9) is in transmission connection through transition gear (10) and driven gear (11), and driven gear (11) is connected with transmission shaft (12).
6. the power transmitting deice that is used for engineering machinery according to claim 5, it is characterized in that: described down vertical bevel gear (2) is provided with lower shell body (13) with the outside of following horizontal bevel gear (4) engagement place, input shaft (5) two ends through bearings on lower shell body (13), lower shell body (13) bottom is provided with lower shell body oil sump (14), and lower shell body oil sump (14) bottom is provided with lower shell body drain oil (15).
7. the power transmitting deice that is used for engineering machinery according to claim 6, it is characterized in that: the outer middle casing (16) that is provided with of described major axis (1), major axis (1) bottom is bearing on the middle casing (16) through bearing, middle casing (16) bottom is provided with oil-through hole (17), and middle casing (16) lower end is connected with lower shell body (13) upper end.
8. the power transmitting deice that is used for engineering machinery according to claim 7, it is characterized in that: described driving gear (9), transition gear (10) and driven gear (11) outside are provided with upper shell (18), driving shaft (8), the transition axis (19) that is connected with transition gear (10) and transmission shaft (12) are bearing on the upper shell (18) through bearing, and upper shell (18) is provided with oil hole (25); Upper shell (18) is provided with the attachment face (20) that is connected with chassis auxiliary frame, attachment face (20) is provided with mounting hole (21), upper shell (18) bottom is provided with upper shell oil sump (22), the side of upper shell oil sump (22) bottom is provided with upper shell drain oil (23), upper shell (18) lower end is connected with middle casing (16) upper end, upper shell (18) upper end is connected with case lid (24), and case lid (24) is provided with oil hole (25).
9. the power transmitting deice that is used for engineering machinery according to claim 8, it is characterized in that: described upper shell (18) and case lid (24) and inner gear constitute main-gear box (26), lower shell body (13) and inner gear constitute pinion case (27), middle casing (16) and inner major axis (1) connects main-gear box (26) and pinion case (27) constitutes integrated gear reduction box, integrated gear reduction box be shaped as " factory " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304192A CN101660598A (en) | 2008-08-26 | 2008-08-26 | Power transmission method and device for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304192A CN101660598A (en) | 2008-08-26 | 2008-08-26 | Power transmission method and device for engineering machinery |
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| Publication Number | Publication Date |
|---|---|
| CN101660598A true CN101660598A (en) | 2010-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810304192A Pending CN101660598A (en) | 2008-08-26 | 2008-08-26 | Power transmission method and device for engineering machinery |
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| CN (1) | CN101660598A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711881A (en) * | 2012-09-28 | 2014-04-09 | 北京航天发射技术研究所 | High-reliability power take-off mechanism with lubricating system driving function |
| CN108869023A (en) * | 2016-08-20 | 2018-11-23 | 泉州鑫豪工程机械科技有限公司 | A kind of self lubricating system of power takeoff |
| CN113294512A (en) * | 2021-06-15 | 2021-08-24 | 中国航发沈阳发动机研究所 | Aero-engine central transmission structure adopting face gear for power splitting |
-
2008
- 2008-08-26 CN CN200810304192A patent/CN101660598A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711881A (en) * | 2012-09-28 | 2014-04-09 | 北京航天发射技术研究所 | High-reliability power take-off mechanism with lubricating system driving function |
| CN103711881B (en) * | 2012-09-28 | 2016-08-10 | 北京航天发射技术研究所 | There is lubricating system and drive the take-off of function |
| CN108869023A (en) * | 2016-08-20 | 2018-11-23 | 泉州鑫豪工程机械科技有限公司 | A kind of self lubricating system of power takeoff |
| CN113294512A (en) * | 2021-06-15 | 2021-08-24 | 中国航发沈阳发动机研究所 | Aero-engine central transmission structure adopting face gear for power splitting |
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Application publication date: 20100303 |