CN202690898U - Reducer for cement mixer - Google Patents

Reducer for cement mixer Download PDF

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Publication number
CN202690898U
CN202690898U CN 201220290367 CN201220290367U CN202690898U CN 202690898 U CN202690898 U CN 202690898U CN 201220290367 CN201220290367 CN 201220290367 CN 201220290367 U CN201220290367 U CN 201220290367U CN 202690898 U CN202690898 U CN 202690898U
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CN
China
Prior art keywords
gear
level
bearing
bearing pin
speed reducer
Prior art date
Application number
CN 201220290367
Other languages
Chinese (zh)
Inventor
徐震华
Original Assignee
徐震华
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 徐震华 filed Critical 徐震华
Priority to CN 201220290367 priority Critical patent/CN202690898U/en
Application granted granted Critical
Publication of CN202690898U publication Critical patent/CN202690898U/en

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Abstract

The utility model relates to a reducer, in particular to the reducer for a cement mixer, and belongs to the technical field of reducers. The reducer mainly comprises a rear cover, an input shaft, a first deep-groove ball bearing, a first pin shaft, a first-level inner gear, a second deep-groove ball bearing, a bearing seat, compound planet gears, a first-level planet carrier, a second-level inner gear, second-level planet gears, a second-level planet carrier, a second pin shaft, a spherical roller bearing, a drum-shaped gear, an output shaft, a base, a spline gear shaft, a first-level sun wheel and a second-level sun wheel. The first-level sun wheel is arranged at the center of the first-level planet carrier, and three compound planet gears are evenly distributed on the periphery of the second-level sun wheel, the second-level sun wheel is arranged at the center of the second-level planet carrier, and four second-level planet gears are evenly distributed on the periphery of the second-level sun wheel. The reducer is simple, compact and reasonable in structure, capable of outputting slow-rotation-speed revolution large torque, stable and reliable to operate, convenient to maintain, low in cost, high in strength and long in service life.

Description

Speed reducer for cement mixer
Technical field
The utility model relates to a kind of speed reducer, and specifically speed reducer for cement mixer belongs to the speed reducer technical field.
Background technique
It all is to lean on the speed reducer outputting power that the automobile-used tank body of cement mixing rotates, and the speed reducer of its outfit is the two-stage planetary speed reducer.This two-stage planetary speed reducer has double reduction mechanism, and its input shaft and output shaft are installed on the reducer shell, forms a kind of rigid construction, has 2 supports.It has high rigidity, highi degree of accuracy and high transmission efficiency and characteristics easy for installation, and output flange can have positive and negative 6 ° swing, is fit to very much be applied to this slow-speed of revolution of concrete mixer, the equipment of high moment of torsion.
At present, the retarder of the concrete mixer of domestic adaptive and 10 ~ 12 cubic meters capacity all is import brand, and price is generally expensive, is a burden to the user.And in a single day the stirrer of this class import breaks down, and maintenance is trouble very.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thereby a kind of speed reducer for cement mixer is provided, can provides high pulling torque by the cement mixing vehicle tank to 10 ~ 12 cubic meters capacity in slow-speed of revolution situation, working stability is reliable, easy to maintenance, cost is low.
According to the technological scheme that the utility model provides, speed reducer for cement mixer mainly comprises bonnet, input gear axle, the first deep groove ball bearing, the first bearing pin, one-level internal gear, the second deep groove ball bearing, bearing support, compound planet gear, primary planet carrier, secondary internal gear, secondary planetary gear, secondary planet frame, the second bearing pin, selfaligning roller bearing, rack barrel, output shaft, base, spline tooth wheel shaft, one-level sun gear and secondary solar gear.
The one-level sun gear is installed at the primary planet carrier center, uniform three compound planet gears around the one-level sun gear.Described input gear axle one end is installed in bonnet inside by the first deep groove ball bearing, and the other end is bearing in the primary planet carrier by the one-level sun gear.Described the first deep groove ball bearing two ends are provided with the first hole back-up ring.Described one-level internal gear is fastened in the bonnet by spline, and the one-level internal gear is connected the first bearing pin and connects with compound planet gear.Be provided with a plurality of the first needle rollers between described compound planet gear and the first bearing pin, be provided with the first needle roller back-up ring between a plurality of the first needle rollers.Be provided with the first bearing pin pad between described primary planet carrier and the first bearing pin.One-level sun gear and one-level internal gear mesh with compound planet gear respectively.Described input gear axle is inner by the second deep groove ball bearing coupling shaft bearing.
Secondary solar gear is installed at secondary planet frame center, uniform four secondary planetary gears around the secondary solar gear.Described secondary internal gear is fastened in the bonnet by spline, and the secondary internal gear is connected the second bearing pin and connects with secondary planetary gear.Be provided with a plurality of the second needle rollers between described secondary planetary gear and the second bearing pin, be provided with the second needle roller back-up ring between a plurality of the second needle rollers.Be provided with the second bearing pin pad between described secondary planet frame and the second bearing pin.Secondary solar gear and secondary internal gear mesh with secondary planetary gear respectively.The spline tooth wheel shaft is installed in the secondary solar gear, and spline tooth wheel shaft one end is fixed on the primary planet carrier by spline joint.
Described secondary planet frame output terminal is provided with internal tooth, the orthodrome external tooth of rack barrel and the engagement of the internal tooth of secondary planet frame.Described output shaft is installed in the base by selfaligning roller bearing, links into an integrated entity by spline and rack barrel, and locks by stripped nut.Described base is connected by hexagon socket cap head screw with bonnet, is provided with the O RunddichtringO between base and the bonnet.Described selfaligning roller bearing one end connects the 3rd hole back-up ring.Be provided with lip-type packing between described output shaft and the base.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; The output low rotation speed large torque, working stability is reliable; Easy to maintenance, cost is low; Intensity is high, long service life.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2,3 is the primary planet carrier structural representation.
Fig. 4,5 is secondary planet shelf structure schematic diagram.
Description of reference numerals: 1-bonnet, 2-input gear axle, 3-the first hole back-up ring, 4-the first deep groove ball bearing, 5-the first bearing pin pad, 6-the first bearing pin, 7-the first needle roller, 8-the first needle roller back-up ring, 9-one-level internal gear, 10-the second deep groove ball bearing, the 11-bearing support, the 12-compound planet gear, the 13-primary planet carrier, the 14-hexagon socket cap head screw, the 15-O RunddichtringO, 16-secondary internal gear, the 17-secondary planetary gear, 18-the second bearing pin pad, 19-the second needle roller, 20-secondary planet frame, 21-the second needle roller back-up ring, 22-the second hole back-up ring, 23-the second bearing pin, 24-the 3rd hole back-up ring, the 25-rack barrel, the 26-selfaligning roller bearing, the 27-stripped nut, the 28-output shaft, the 29-lip-type packing, the 30-base, 31-spline tooth wheel shaft, 32-one-level sun gear, the 33-secondary solar gear.
Embodiment
Following the utility model is further described in connection with the embodiment in the accompanying drawing:
As shown in Figure 1, the utility model mainly comprises bonnet 1, input gear axle 2, the first deep groove ball bearing 4, the first bearing pin 6, one-level internal gear 9, the second deep groove ball bearing 10, bearing support 11, compound planet gear 12, primary planet carrier 13, secondary internal gear 16, secondary planetary gear 17, secondary planet frame 20, the second bearing pin 23, selfaligning roller bearing 26, rack barrel 25, output shaft 28, base 30, spline tooth wheel shaft 31, one-level sun gear 32 and secondary solar gear 33.
Shown in Fig. 2 ~ 3, one-level sun gear 32 is installed at primary planet carrier 13 centers, uniform three compound planet gears 12 around the one-level sun gear 32.Described input gear axle 2 one ends are installed in bonnet 1 inside by the first deep groove ball bearing 4, and the other end is bearing in the primary planet carrier 13 by one-level sun gear 32.Described the first deep groove ball bearing 4 two ends are provided with the first hole back-up ring 3.Described one-level internal gear 9 is fastened in the bonnet 1 by spline, and one-level internal gear 9 is connected with compound planet gear and is connected by the first bearing pin 6, realize primary planet carrier 13 and compound planet gear 12 lockings.Be provided with a plurality of the first needle rollers 7 between described compound planet gear 12 and the first bearing pin 6, be provided with the first needle roller back-up ring 8 between a plurality of the first needle rollers 7.Be provided with the first bearing pin pad 5 between described primary planet carrier 13 and the first bearing pin 6.One-level sun gear 32 and one-level internal gear 9 mesh with compound planet gear 12 respectively, can realize larger reduction speed ratio.Described input gear axle 2 inner the second deep groove ball bearing 10 coupling shaft bearings 11 of passing through.
Shown in Fig. 4 ~ 5, secondary solar gear 33 is installed at secondary planet frame 20 centers, uniform four secondary planetary gears 17 around the secondary solar gear 33.Described secondary internal gear 16 is fastened in the bonnet 1 by spline, and secondary internal gear 16 is connected with secondary planetary gear and is connected by the second bearing pin 23, realize secondary planet frame 20 and secondary planetary gear 17 lockings.Be provided with a plurality of the second needle rollers 19 between described secondary planetary gear 17 and the second bearing pin 23, be provided with the second needle roller back-up ring 21 between a plurality of the second needle rollers 19.Be provided with the second bearing pin pad 18 between described secondary planet frame 20 and the second bearing pin 23.Secondary solar gear 33 and secondary internal gear 16 mesh with secondary planetary gear 17 respectively, can realize larger reduction speed ratio.Spline tooth wheel shaft 31 is installed in the secondary solar gear 33, and spline tooth wheel shaft 31 1 ends are fixed on the primary planet carrier 13 by spline joint, transferring power.
Described secondary planet frame 20 output terminals are provided with internal tooth, the orthodrome external tooth of rack barrel 25 and the engagement of the internal tooth of secondary planet frame 20, transferring power.Described output shaft 28 is installed in the base 30 by selfaligning roller bearing 26, links into an integrated entity by spline and rack barrel 25, and by stripped nut 27 lockings, transmits the power that secondary planet frame 20 passes over, and finishes last power output.Described base 30 is connected by hexagon socket cap head screw 14 with bonnet 1, is provided with O RunddichtringO 15 between base 30 and the bonnet 1.Described selfaligning roller bearing 26 1 ends connect the 3rd hole back-up ring 24.Be provided with lip-type packing 29 between described output shaft 28 and the base 30.

Claims (9)

1. speed reducer for cement mixer, it is characterized in that: comprise bonnet (1), input gear axle (2), the first deep groove ball bearing (4), the first bearing pin (6), one-level internal gear (9), the second deep groove ball bearing (10), bearing support (11), compound planet gear (12), primary planet carrier (13), secondary internal gear (16), secondary planetary gear (17), secondary planet frame (20), the second bearing pin (23), selfaligning roller bearing (26), rack barrel (25), output shaft (28), base (30), spline tooth wheel shaft (31), one-level sun gear (32) and secondary solar gear (33), one-level sun gear (32) is installed at primary planet carrier (13) center, and one-level sun gear (32) is uniform three compound planet gears (12) on every side; Described input gear axle (2) one ends are installed in bonnet (1) inside by the first deep groove ball bearing (4), and the other end is bearing in the primary planet carrier (13) by one-level sun gear (32); Described one-level internal gear (9) is fastened in the bonnet (1) by spline, and one-level internal gear (9) is connected 12 with compound planet gear) connect by the first bearing pin (6); One-level sun gear (32) and one-level internal gear (9) mesh with compound planet gear (12) respectively; Described input gear axle (2) is inner by the second deep groove ball bearing (10) coupling shaft bearing (11);
Secondary solar gear (33) is installed at secondary planet frame (20) center, and secondary solar gear (33) is uniform four secondary planetary gears (17) on every side; Described secondary internal gear (16) is fastened in the bonnet (1) by spline, and secondary internal gear (16) is connected 17 with secondary planetary gear) connect by the second bearing pin (23); Secondary solar gear (33) and secondary internal gear (16) mesh with secondary planetary gear (17) respectively; Spline tooth wheel shaft (31) is installed in the secondary solar gear (33), and spline tooth wheel shaft (31) one ends are fixed on the primary planet carrier (13) by spline joint;
Described secondary planet frame (20) output terminal is provided with internal tooth, the internal tooth engagement of the orthodrome external tooth of rack barrel (25) and secondary planet frame (20); Described output shaft (28) is installed in the base (30) by selfaligning roller bearing (26), links into an integrated entity by spline and rack barrel (25), and by stripped nut (27) locking; Described base (30) is connected by hexagon socket cap head screw (14) with bonnet (1).
2. speed reducer for cement mixer as claimed in claim 1 is characterized in that: described the first deep groove ball bearing (4) two ends are provided with the first hole with back-up ring (3).
3. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with a plurality of the first needle rollers (7) between described compound planet gear (12) and the first bearing pin (6), be provided with the first needle roller back-up ring (8) between a plurality of the first needle rollers (7).
4. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with the first bearing pin pad (5) between described primary planet carrier (13) and the first bearing pin (6).
5. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with a plurality of the second needle rollers (19) between described secondary planetary gear (17) and the second bearing pin (23), be provided with the second needle roller back-up ring (21) between a plurality of the second needle rollers (19).
6. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with the second bearing pin pad (18) between described secondary planet frame (20) and the second bearing pin (23).
7. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with O RunddichtringO (15) between described base (30) and the bonnet (1).
8. speed reducer for cement mixer as claimed in claim 1 is characterized in that: described selfaligning roller bearing (26) one ends connect the 3rd hole with back-up ring (24).
9. speed reducer for cement mixer as claimed in claim 1 is characterized in that: be provided with lip-type packing (29) between described output shaft (28) and the base (30).
CN 201220290367 2012-06-19 2012-06-19 Reducer for cement mixer CN202690898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220290367 CN202690898U (en) 2012-06-19 2012-06-19 Reducer for cement mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220290367 CN202690898U (en) 2012-06-19 2012-06-19 Reducer for cement mixer

Publications (1)

Publication Number Publication Date
CN202690898U true CN202690898U (en) 2013-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220290367 CN202690898U (en) 2012-06-19 2012-06-19 Reducer for cement mixer

Country Status (1)

Country Link
CN (1) CN202690898U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179895A (en) * 2014-08-11 2014-12-03 陕西法士特汽车传动集团有限责任公司 Planetary gear reducer for high-capacity cement mixer truck
CN104214311A (en) * 2014-09-24 2014-12-17 南车戚墅堰机车车辆工艺研究所有限公司 Outer spline gear and spline gear transmission device
CN105221707A (en) * 2015-10-10 2016-01-06 南车戚墅堰机车车辆工艺研究所有限公司 gear box structure
CN105757184A (en) * 2016-03-31 2016-07-13 朱清泉 Retarder, agitator and agitating lorry
CN105952869A (en) * 2015-03-09 2016-09-21 纳博特斯克有限公司 Speed reducer and gasket

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179895A (en) * 2014-08-11 2014-12-03 陕西法士特汽车传动集团有限责任公司 Planetary gear reducer for high-capacity cement mixer truck
CN104214311A (en) * 2014-09-24 2014-12-17 南车戚墅堰机车车辆工艺研究所有限公司 Outer spline gear and spline gear transmission device
CN104214311B (en) * 2014-09-24 2016-09-14 南车戚墅堰机车车辆工艺研究所有限公司 Spline gear actuating device
CN105952869A (en) * 2015-03-09 2016-09-21 纳博特斯克有限公司 Speed reducer and gasket
CN105952869B (en) * 2015-03-09 2020-10-27 纳博特斯克有限公司 Speed reducer and gasket
CN105221707A (en) * 2015-10-10 2016-01-06 南车戚墅堰机车车辆工艺研究所有限公司 gear box structure
CN105757184A (en) * 2016-03-31 2016-07-13 朱清泉 Retarder, agitator and agitating lorry
CN105757184B (en) * 2016-03-31 2018-10-16 朱清泉 A kind of retarder and blender and stirring transport tank vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
C20 Patent right or utility model deemed to be abandoned or is abandoned
AV01 Patent right actively abandoned

Granted publication date: 20130123

Effective date of abandoning: 20130427