CN204647160U - A kind of mechanical defeated power retarder - Google Patents

A kind of mechanical defeated power retarder Download PDF

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Publication number
CN204647160U
CN204647160U CN201520152509.8U CN201520152509U CN204647160U CN 204647160 U CN204647160 U CN 204647160U CN 201520152509 U CN201520152509 U CN 201520152509U CN 204647160 U CN204647160 U CN 204647160U
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China
Prior art keywords
gear
planet carrier
housing
power
shaft
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CN201520152509.8U
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Chinese (zh)
Inventor
赵建平
沈东莹
白玉田
焦治波
殷崇一
刘义
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Shaanxi Fast Gear Co Ltd
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Shaanxi Fast Gear Co Ltd
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Abstract

A kind of mechanical defeated power retarder, comprises the cavity be made up of housing and bonnet, is provided with fixed axis gear reducing gear and planetary gear reducing mechanism in cavity; Fixed axis gear reducing gear comprises the input gear axle for accessing power, and engages with input gear axle, for by transmission of power to the driving gear of planetary gear reducing mechanism; Planetary gear reducing mechanism comprises the joining sun gear with driving gear, and the multiple planet wheels engaged with sun gear; Planet wheel is evenly contained on planet carrier by selfaligning roller bearing, and engages with the ring gear connected firmly on housing simultaneously; The output terminal of planet carrier is processed with spline, is undertaken connecting or being separated by sliding sleeve and output shaft, realizes output or the interruption of power.The power source of the utility model utilizing works machinery improves the driving force of engineering vehicle, and structure is simple, reliable performance.

Description

A kind of mechanical defeated power retarder
Technical field
The utility model relates to a kind of mechanical transmission, is specifically related to a kind of mechanical defeated power retarder.
Background technique
Engineering machinery is the important component part of China's equipment manufacturing industry, also be necessary mechanized equipment in comprehensive mechanized construction, be widely used at present in the middle of restoration in earth-rock construction engineering, pavement construction and maintenance, the operation of flowing type lift and various construction engineering.Work machine body is made up of parts such as drive unit, speed change gear, transmission device, equipment, braking device, protective equipment, lubrication system and cooling systems, and wherein drive unit plays key effect in the use of engineering machinery.
Due to the diverse in function of engineering machinery, and operating mode is complicated, and working environment is relatively more severe, therefore higher to the requirement of driving force.Develop a kind of mechanical transmission, other power source of utilizing works vehicle for this reason, drive vehicle to run, the driving force increasing engineering vehicle is significant.
Model utility content
The purpose of this utility model is for above-mentioned the problems of the prior art, and provide a kind of structure simple, reliability is high, can significantly improve the defeated power retarder of machinery of driving force.
To achieve these goals, the technical solution adopted in the utility model is: comprise the cavity be made up of housing and bonnet, is provided with fixed axis gear reducing gear and planetary gear reducing mechanism in cavity;
Described fixed axis gear reducing gear comprises the input gear axle for accessing power, and engages with input gear axle, for by transmission of power to the driving gear of planetary gear reducing mechanism;
Described planetary gear reducing mechanism comprises the joining sun gear with driving gear, and the multiple planet wheels engaged with sun gear; Planet wheel is evenly contained on planet carrier by selfaligning roller bearing, and engages with the ring gear connected firmly on housing simultaneously; The output terminal of planet carrier is processed with spline, is undertaken connecting or being separated by sliding sleeve and output shaft, realizes output or the interruption of power.
The containment portion that described housing and bonnet form is provided with operating mechanism;
Described operating mechanism comprises the shift fork be connected with sliding sleeve, and shift fork is arranged in the middle part of piston fork shaft, and piston fork shaft tail end is contained in cylinder block, and head end is supported in the mounting hole handling housing, and between piston fork shaft tail end and cylinder block inwall, Compress Spring is housed; Handle pipe joint housing being provided with injection pressure gas in cylinder; Described piston fork shaft is under spring pressure effect, and make sliding sleeve rest on the spline of planet carrier output terminal by shift fork, planet carrier and output shaft are in separated state; When after injection pressure gas, piston fork shaft overcomes spring pressure and moves backward, and shift fork drives sliding sleeve that planet carrier is connected with output shaft, and then outputting power.
Described input gear axle has the internal spline carrying out with external power supply being connected.
Described driving gear is arranged in housing by transmission shaft and drive bearing.
Described driving gear has for internal spline joining with sun gear external splines.
Described ring gear is assembled by the mode and housing of locating be connected separation.
Described planetary gear reducing mechanism is three planet NGW type planetary gear reducing mechanisms.
Described planet carrier is arranged on bonnet by planet carrier bearings, and described output shaft front end exports bearing by first and is arranged in planet carrier output terminal endoporus, and rear end exports bearings by second and is arranged on bonnet.
Described planet carrier with output shaft is processed with identical external splines, planet carrier is installed the sliding sleeve with the internal spline that to match with this external splines.
Described output shaft end is connected with and can connects the end-tooth flange plate that transmission shaft drives vehicle to run.
Compared with prior art, oil hydraulic motor in engineering machinery or other power sources are connected input gear axle by the utility model, carry out two-stage reduction of speed by fixed axis gear reducing gear and planetary gear reducing mechanism to increase and turn round, wherein one-level adopts ordinary transmission, and the accuracy of gear and the positioning precision of this mode are high, be suitable for high power, high-revolving power input, secondary adopts Gear Planet Transmission, and the structure of this mode is simple, transfer of torque is large, and reliability is high.The utility model considerably improves the driving force of engineering machinery, and final driving force is exported by output shaft, adds the driving power of engineering machinery.
Further, the utility model adopts gas to handle output and the interruption of engaging and disengaging gear control power, smooth engagement can be made soft, depart from reliable.
Further, the utility model ring gear is connected by the mode and housing of locating be connected separation, and structure is simple, and assembly precision is high.
Further, planet carrier of the present utility model is arranged on bonnet by planet carrier bearings, output shaft front end exports bearing by first and is arranged in planet carrier output terminal endoporus, rear end exports bearings by second and is arranged on bonnet, by planet carrier is designed to claw structure, structure is simple, and technology capability is good.
Accompanying drawing explanation
Fig. 1 overall structure schematic diagram of the present utility model;
In accompanying drawing: 1-housing; 2-first input shaft bearing; 3-input gear axle; 4-second input shaft bearing; 5-driving gear; 6-drive bearing; 7-transmission shaft; 8-sun gear; 9-centre bearing; 10-planet wheel; 11-selfaligning roller bearing; 12-ring gear; 13-planet carrier; 14-bonnet; 15-planet carrier bearing; 16-shift fork; 17-sliding sleeve; 18-handles housing; 19-pipe joint; 20-piston fork shaft; 21-Compress Spring; 22-cylinder block; 23-first exports bearing; 24-output shaft; 25-second exports bearing; 26-end-tooth flange plate; 1. fixed axis gear reducing gear; 2. planetary gear reducing mechanism; 3. operating mechanism.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model by fixed axis gear reducing gear 1., 2. planetary gear reducing mechanism be in series; Wherein 1. fixed axis gear reducing gear comprises input gear axle 3 and driving gear 5, is assemblied on housing 1 by bearings; 2. planetary gear reducing mechanism is three planet NGW type planetary gear reducing mechanisms.2. 1. fixed axis gear reducing gear be installed on planetary gear reducing mechanism in housing 1 and bonnet 14, and housing 1 and bonnet 14 seam location, be bolted together; 1. fixed axis gear reducing gear comprises the first input shaft bearing 2, input gear axle 3, second input shaft bearing 4, driving gear 5, drive bearing 6 and transmission shaft 7; 2. planetary gear reducing mechanism comprises sun gear 8, centre bearing 9, planet wheel 10, selfaligning roller bearing 11, ring gear 12 and planet carrier 13.
Input gear axle 3 is loaded in housing 1 by the first input shaft bearing 2 and the second input shaft bearing 4, and input gear axle 3 front end adopts internal spline structure, and be used for connecting external power supply, middle axle tooth and driving gear 5 engage; Driving gear 5 is loaded in housing 1 by drive bearing 6 and transmission shaft 7, and the internal spline of rear end and the external splines of sun gear 8 connect; Sun gear 8 drives planet wheel 10, and three planet wheels 10 are evenly contained on planet carrier 13 by selfaligning roller bearing 11; Planet wheel 10 engages with sun gear 8 and ring gear 12 simultaneously, and ring gear 12 is connected by spline and housing 1, and power is exported by planet carrier 13.
Planet carrier 13 is supported by planet carrier bearing 15 and is arranged on bonnet 14, and output shaft 24 front end exports bearing 23 by first and is arranged in planet carrier 13 output terminal endoporus, and rear end exports bearing 25 support by second and is arranged on bonnet 14; Planet carrier 13 processes identical external splines with on output shaft 24, planet carrier 13 is installed the sliding sleeve 17 with the internal spline that to match with this external splines.Moving backward by stirring sliding sleeve 17, its internal spline being combined with the external splines of output shaft 24, can Power output being realized, on the contrary, interruptible price Power output.
3. operating mechanism is made up of manipulation housing 18, piston fork shaft 20, shift fork 16, cylinder block 22, Compress Spring 21 and pipe joint 19, is fixed by bolts on bonnet 14.Cylinder block 22 is loaded on to be handled on housing 18, and piston fork shaft 20 is loaded on to be handled in housing 18 and cylinder block 22, and piston fork shaft 20 is equipped with shift fork 16, the fork pin of shift fork 16 is stuck in the fork slot of sliding sleeve 17.Compress Spring 21 is loaded between piston fork shaft 20 and cylinder block 22 inwall, pushes up piston fork shaft 20 to cylinder front end.When passing through pipe joint 19 to cylinder front end injection pressure gas, the pressure that piston fork shaft 20 overcomes Compress Spring 21 moves backward, drives shift fork 16 to stir sliding sleeve 17 and is linked into output shaft 24, realize Power output; Remove pressed gas, Compress Spring 21 can promote piston fork shaft 20 and move forward, and drive shift fork 16, sliding sleeve 17 depart from output shaft 24, interrupt Power output.Output shaft 24 end is connected with end-tooth flange plate 26.
The utility model input gear axle 3 front end processing internal spline, accessible oil hydraulic motor or other driving source, 1. 2. carry out two-stage reduction of speed with planetary gear reducing mechanism by fixed axis gear reducing gear to increase and turn round, considerably improve the driving force of engineering machinery, add the driving power of engineering machinery, structure is simple, and reliability is high.

Claims (10)

1. the defeated power retarder of machinery, is characterized in that: comprise the cavity be made up of housing (1) and bonnet (14), be provided with fixed axis gear reducing gear and planetary gear reducing mechanism in cavity;
Described fixed axis gear reducing gear comprises the input gear axle (3) for accessing power, and engages with input gear axle (3), for by transmission of power to the driving gear of planetary gear reducing mechanism (5);
Described planetary gear reducing mechanism comprises and driving gear (5) joining sun gear (8), and the multiple planet wheels (10) engaged with sun gear (8); Planet wheel (10) is evenly contained on planet carrier (13) by selfaligning roller bearing (11), and engages with the ring gear (12) connected firmly on housing (1) simultaneously; The output terminal of planet carrier (13) is processed with spline, carries out connecting or being separated with output shaft (24) by sliding sleeve (17), realizes output or the interruption of power.
2. the defeated power retarder of machinery according to claim 1, is characterized in that: the containment portion that described housing (1) and bonnet (14) form is provided with operating mechanism;
Described operating mechanism comprises the shift fork (16) be connected with sliding sleeve (17), shift fork (16) is arranged on piston fork shaft (20) middle part, piston fork shaft (20) tail end is contained in cylinder block (22), head end is supported in the mounting hole handling housing (18), and between piston fork shaft (20) tail end and cylinder block (22) inwall, Compress Spring (21) is housed; Handle the pipe joint (19) housing (18) being provided with injection pressure gas in cylinder; Described piston fork shaft (20) is under spring (21) pressure effect, make sliding sleeve (17) rest on the spline of planet carrier (13) output terminal by shift fork (16), planet carrier (13) and output shaft (24) are in separated state; When after injection pressure gas, piston fork shaft (20) overcomes spring (21) pressure and moves backward, shift fork (16) drives sliding sleeve (17) that planet carrier (13) is connected with output shaft (24), and then outputting power.
3. the defeated power retarder of machinery according to claim 1, is characterized in that: described input gear axle (3) has the internal spline carrying out with external power supply being connected.
4. the defeated power retarder of machinery according to claim 1, is characterized in that: described driving gear (5) is arranged in housing (1) by transmission shaft (7) and drive bearing (6).
5. the defeated power retarder of the machinery according to claim 1 or 4, is characterized in that: described driving gear (5) have for the joining internal spline of sun gear (8) external splines.
6. the defeated power retarder of machinery according to claim 1, is characterized in that: described ring gear (12) is assembled by the mode and housing (1) of locating be connected separation.
7. the defeated power retarder of machinery according to claim 1, is characterized in that: described planetary gear reducing mechanism is three planet NGW type planetary gear reducing mechanisms.
8. the defeated power retarder of machinery according to claim 1, it is characterized in that: described planet carrier (13) is supported by planet carrier bearing (15) and is arranged on bonnet (14), described output shaft (24) front end exports bearing (23) by first and is arranged in planet carrier (13) output terminal endoporus, and rear end exports bearing (25) support by second and is arranged on bonnet (14).
9. the defeated power retarder of the machinery according to claim 1 or 8, it is characterized in that: described planet carrier (13) is processed with identical external splines with on output shaft (24), planet carrier (13) is upper installs the sliding sleeve (17) with the internal spline that to match with this external splines.
10. the defeated power retarder of machinery according to claim 1, is characterized in that: described output shaft (24) end is connected with and can connects the end-tooth flange plate (26) that transmission shaft drives vehicle to run.
CN201520152509.8U 2015-03-17 2015-03-17 A kind of mechanical defeated power retarder Active CN204647160U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728347A (en) * 2015-03-17 2015-06-24 陕西法士特齿轮有限责任公司 Mechanical power transmission speed reducer
CN108131424A (en) * 2017-12-25 2018-06-08 杭州前进齿轮箱集团股份有限公司 A kind of Direct wheel drives retarder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728347A (en) * 2015-03-17 2015-06-24 陕西法士特齿轮有限责任公司 Mechanical power transmission speed reducer
CN108131424A (en) * 2017-12-25 2018-06-08 杭州前进齿轮箱集团股份有限公司 A kind of Direct wheel drives retarder

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