CN207454673U - A kind of crawler-type engineering equipment rotary reducer - Google Patents
A kind of crawler-type engineering equipment rotary reducer Download PDFInfo
- Publication number
- CN207454673U CN207454673U CN201720514775.XU CN201720514775U CN207454673U CN 207454673 U CN207454673 U CN 207454673U CN 201720514775 U CN201720514775 U CN 201720514775U CN 207454673 U CN207454673 U CN 207454673U
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- planet carrier
- ring
- sun gear
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model discloses a kind of crawler-type engineering equipment rotary reducers, including motor base, first planetary gear, second planetary gear, ring gear, supporing shell, output gear shaft, first planet carrier, second planet carrier, first sun gear and the second sun gear, motor output shaft and the first sun gear key connection, first planetary gear is rotatablely connected with first planet carrier, first planetary gear and ring gear, first sun gear engaged transmission, second planetary gear and the second planet carrier are rotatablely connected, second planetary gear and ring gear, second sun gear engaged transmission, the output gear shaft is rotatablely connected with supporing shell.The beneficial effects of the utility model：Using large module gear, intensity is high, and safety coefficient is big, and impact resistance is good, solves the problems, such as that broken teeth damages, provides product reliability；Output gear carries out correction of the flank shape, and transmission load is more steady, reduces vibration and noise, improves life of product；Sealed reliable avoids oil leak defect.
Description
Technical field
The utility model belongs to engineering mechanical device technical field, and in particular to a kind of revolution of crawler-type engineering equipment is slowed down
Machine.
Background technology
Crawler-type engineering equipment is a kind of deceleration for used in crawler-type engineering equipment slewing equipment with rotary reducer
Machine is the critical component of crawler-type engineering equipment, and deceleration torque is carried out to rotary motor, and driving slewing equipment carries out revolution work
Make；The speed reducer of different torques is selected according to the size of rotary torque.
At present, domestic is mainly low construction efficiency based on small-sized caterpillar belt equipment；Medium-and-large-sized crawler belt engineering equipment is subtracted with revolution
Fast machine is susceptible to the defects of broken teeth and oil leak, poor reliability；
The purpose of this utility model is to provide a kind of rotary reducer in medium-and-large-sized crawler belt engineering equipment, solution resolution
The shortcomings of tooth, oil leak, improves equipment construction efficiency, improves product reliability, and application range is wider.
Utility model content
For the defects of medium-and-large-sized crawler belt engineering equipment is susceptible to broken teeth and oil leak with rotary reducer in the prior art,
Poor reliability problem provides a kind of crawler-type engineering equipment rotary reducer.
A kind of crawler-type engineering equipment rotary reducer, including motor base, the first planetary gear, the second planetary gear,
Ring gear, supporing shell, output gear shaft, first planet carrier, the second planet carrier, the first sun gear and the second sun gear, it is described
Motor base, ring gear open up bolt hole, and bolt is threadedly coupled through motor base, the bolt hole on ring gear and with supporing shell,
Motor is bolted on motor base, motor output shaft and the first sun gear key connection, first planetary gear and
One planet carrier is rotatablely connected, the first planet carrier and the second sun gear key connection, first planetary gear and ring gear, the
One sun gear engaged transmission, second planetary gear and the second planet carrier are rotatablely connected, second planetary gear and internal tooth
Circle, the second sun gear engaged transmission, second planet carrier and output gear shaft key connection, the output gear shaft and supporting shell
Body is rotatablely connected.
On the basis of above-mentioned technical proposal, the first protrusion and the second protrusion are formed on the supporing shell inner wall, it is described
First protrusion and the outer ring of clutch shaft bearing fit to limit the degree of freedom that clutch shaft bearing moves axially to the left, round nut with it is defeated
Go out gear shaft to be threadedly coupled and the degree of freedom that moves right vertically of the inner ring of clamping clutch shaft bearing limitation clutch shaft bearing, described the
Two bearing outer rings are bonded in the second protrusion and limit the degree of freedom that second bearing moves axially to the left, the second bearing inner ring
It is fitted in the degree of freedom that the shaft shoulder limitation output gear shaft of output gear shaft moves right vertically；
The first groove is opened up on the output gear shaft, the first circlip, second row are provided in the first groove
Carrier one end is fitted on the shaft shoulder of output gear shaft, and one end is fitted on the first circlip, and second planet carrier is defeated
The axial degree of freedom gone out on gear shaft is restrained；
The second groove is opened up on second sun gear, the second circlip, the first row are provided in the second groove
Carrier one end is fitted on the shaft shoulder on the second sun gear, and one end is fitted on the second circlip, the first planet carrier axis
To degree of freedom it is restrained.
On the basis of above-mentioned technical proposal, the 3rd groove is opened up on the supporing shell inner wall, sealing element is arranged at the 3rd
In groove, the sealing element is rotation Glais ring.
The beneficial effects of the utility model：
1. using large module gear, intensity is high, and safety coefficient is big, and impact resistance is good, solves the problems, such as that broken teeth damages, provides production
Product reliability；
2. output gear carries out correction of the flank shape, transmission load is more steady, reduces vibration and noise, improves life of product；
3. sealed reliable avoids oil leak defect.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical solution of the utility model is described further.
As shown in Figure 1, a kind of crawler-type engineering equipment rotary reducer, including motor base 1, the first planetary gear 2,
Two planetary gears 3, ring gear 4, supporing shell 8, output gear shaft 9, first planet carrier 10, the second planet carrier 11, first sun
Wheel 12 and second sun gear 13, the motor base 1, ring gear 4 open up bolt hole, and bolt 21 is through on motor base 1, ring gear 4
Bolt hole and be threadedly coupled with supporing shell 8, hydraulic motor is bolted on motor base 1, hydraulic motor output shaft
With 12 key connection of the first sun gear, first planetary gear 2 is rotatablely connected with first planet carrier 10, the first planet carrier 10
With 13 key connection of the second sun gear, first planetary gear 2 and ring gear 4,12 engaged transmission of the first sun gear, described second
Planetary gear 3 is rotatablely connected with the second planet carrier 11, and second planetary gear 3 engages biography with ring gear 4, the second sun gear 13
Dynamic, second planet carrier 11 and 9 key connection of output gear shaft, the output gear shaft 9 are rotatablely connected with supporing shell 8.
Preferably, second planet carrier 11 is connected with 9 spline of output gear shaft, and the first planet carrier 10 and second is too
Sun wheel 13 splines connection.
Input motor shaft is transferred to secondary planet by primary planet and is driven, the be then driven by secondary planet
Two planet carriers 11 impart power to output gear shaft 9, and clutch shaft bearing 61 and second bearing 62 mounted in 8 inner support of supporing shell
Output gear shaft 9, output gear shaft 9 pass to the slewing equipment of excavator by gear engagement, so as to fulfill returning for excavator
It changes a job work.It is compact-sized using two-stage Gear Planet Transmission, and realize large speed ratio, large torque output.
It is used in the crawler-type engineering equipment of the offer of the utility model in rotary reducer, using large module gear, tooth
It takes turns intensity to improve, output torque is big, and safety coefficient is high, impact resistance；Output gear teeth directional carries out correction of the flank shape, makes transmission load more flat
Surely, vibration and noise are reduced.
As shown in Figure 1, being formed with the first protrusion 81 and the second protrusion 82 on 8 inner wall of supporing shell, described first is convex
81 fit with the outer ring of clutch shaft bearing 61 limits the degree of freedom that clutch shaft bearing 61 moves axially to the left, round nut 5 with
The freedom that output gear shaft 9 is threadedly coupled and the inner ring of clamping clutch shaft bearing 61 limitation clutch shaft bearing 61 moves right vertically
Degree, 62 outer ring of second bearing are bonded in the second protrusion 82 and limit the degree of freedom that second bearing 62 moves axially to the left,
62 inner ring of second bearing is fitted in the freedom that the shaft shoulder limitation output gear shaft 9 of output gear shaft 9 moves right vertically
Degree.
The first groove is opened up on the output gear shaft 9, is provided with the first circlip 24 in the first groove, described second
11 one end of planet carrier is fitted on the shaft shoulder of output gear shaft 9, and one end is fitted on the first circlip 24, second planet
Axial degree of freedom of the frame 11 on output gear shaft 9 is restrained.
The second groove is opened up on second sun gear 13, is provided with the second circlip 22 in the second groove, described
One planet carrier, 10 one end is fitted on the shaft shoulder on the second sun gear 13, and one end is fitted on the second circlip 22, and described
The axial degree of freedom of one planet carrier 10 is restrained.
It by the axially position mode of above-mentioned each workpiece, occupies little space so that in compact-sized secondary planet tooth
It takes turns in transmission system, each workpiece axial direction accurate positioning, ensures that stable drive is efficient.
The 3rd groove is opened up on 8 inner wall of supporing shell, sealing element 7 is arranged in the 3rd groove, it is preferred that sealing element
7 using rotation Glais ring.
As shown in Figure 1, with opening up the 4th groove, the first O-ring on the face being bonded of ring gear 4 in the supporing shell 8
71 are arranged in the 4th groove, for sealing the gap between supporing shell 8 and ring gear 4；The motor base 1 and ring gear 4
Fitting face on open up the 5th groove, the second O-ring 72 is arranged in the 5th groove, for sealing motor base 1 and ring gear 4
Between gap.
Conventional skeleton oil seal is substituted using rotation Glais ring, except sealing outer, increase O with fluid sealant between housing
Shape circle seals, and improves sealing reliability, adapts to the bad working environments of excavator.
It will be appreciated that the embodiment of the utility model while there has been shown and described that, for the common skill of this field
For art personnel, it is possible to understand that these embodiments can be carried out in the case where not departing from the principle of the utility model and spirit
A variety of change, modification, replacement and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of crawler-type engineering equipment rotary reducer, which is characterized in that including motor base (1), the first planetary gear
(2), the second planetary gear (3), ring gear (4), supporing shell (8), output gear shaft (9), first planet carrier (10), the second row
Carrier (11), the first sun gear (12) and the second sun gear (13), the motor base (1), ring gear (4) open up bolt hole, spiral shell
Bolt (21) is threadedly coupled through motor base (1), the bolt hole on ring gear (4) and with supporing shell (8), and motor is consolidated by bolt
It is scheduled on motor base (1), motor output shaft and the first sun gear (12) key connection, first planetary gear (2) and the first row
Carrier (10) is rotatablely connected, the first planet carrier (10) and the second sun gear (13) key connection, first planetary gear (2)
With ring gear (4), the first sun gear (12) engaged transmission, second planetary gear (3) rotates with the second planet carrier (11) to be connected
Connect, second planetary gear (3) and ring gear (4), the second sun gear (13) engaged transmission, second planet carrier (11) with
Output gear shaft (9) key connection, the output gear shaft (9) are rotatablely connected with supporing shell (8).
2. crawler-type engineering equipment rotary reducer as described in claim 1, which is characterized in that the output gear shaft
(9) by the way that clutch shaft bearing (61) and second bearing (62) is set to be rotatablely connected between supporing shell (8), in supporing shell (8)
First raised (81) and second raised (82) are formed on wall, described first raised (81) and the outer ring of clutch shaft bearing (61) are affixed
It closes to limit the degree of freedom that clutch shaft bearing (61) moves axially to the left, round nut (5) is threadedly coupled simultaneously with output gear shaft (9)
The degree of freedom that the inner ring limitation clutch shaft bearing (61) of clamping clutch shaft bearing (61) moves right vertically, the second bearing (62)
The degree of freedom that second bearing (62) moves axially to the left, the second bearing are limited in outer ring fitting second raised (82)
(62) inner ring is fitted in the degree of freedom that the shaft shoulder limitation output gear shaft (9) of output gear shaft (9) moves right vertically；
The first groove is opened up on the output gear shaft (9), is provided with the first circlip (24) in the first groove, described second
Planet carrier (11) one end is fitted on the shaft shoulder of output gear shaft (9), and one end is fitted on the first circlip (24), and described
Axial degree of freedom of two planet carriers (11) on output gear shaft (9) is restrained；
The second groove is opened up on second sun gear (13), is provided with the second circlip (22) in the second groove, described
One planet carrier (10) one end is fitted on the shaft shoulder on the second sun gear (13), and one end is fitted on the second circlip (22),
The degree of freedom of first planet carrier (10) axial direction is restrained.
3. crawler-type engineering equipment rotary reducer as described in claim 1, which is characterized in that the supporing shell (8)
The 3rd groove is opened up on inner wall, sealing element (7) is arranged in the 3rd groove, and the sealing element (7) is rotation Glais ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514775.XU CN207454673U (en) | 2017-05-10 | 2017-05-10 | A kind of crawler-type engineering equipment rotary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514775.XU CN207454673U (en) | 2017-05-10 | 2017-05-10 | A kind of crawler-type engineering equipment rotary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454673U true CN207454673U (en) | 2018-06-05 |
Family
ID=62246185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514775.XU Active CN207454673U (en) | 2017-05-10 | 2017-05-10 | A kind of crawler-type engineering equipment rotary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719586A (en) * | 2021-11-01 | 2021-11-30 | 深圳电通信息技术有限公司 | Speed reducer gear assembly for new energy vehicle |
-
2017
- 2017-05-10 CN CN201720514775.XU patent/CN207454673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719586A (en) * | 2021-11-01 | 2021-11-30 | 深圳电通信息技术有限公司 | Speed reducer gear assembly for new energy vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204061745U (en) | Planetary pinion is the 3Z type planetary gear speed reducing mechanism of floating duplicate gear | |
| CN202431843U (en) | Primary bevel gear rectangular axis input planetary gearbox | |
| CN203374737U (en) | Closed planetary gear reducer | |
| CN101649816A (en) | Wind-power generating yaw speed reducer | |
| CN106352024A (en) | Single-eccentric short transmission chain speed reducer | |
| CN204805435U (en) | Double ball journal is to pretension swing drives device | |
| CN105020346A (en) | Hollow shaft type precision 2K-V speed reduction device | |
| CN207454673U (en) | A kind of crawler-type engineering equipment rotary reducer | |
| CN208041061U (en) | Large torque planetary reducer | |
| CN201031927Y (en) | Two-stage worm gear worm reducer | |
| CN204647162U (en) | One-level cone tooth input planet gear case with pressure lubrication | |
| CN201944201U (en) | Planetary rotating speed reducer | |
| CN102562055A (en) | Rocker arm and roller transmission structure of roller coal-mining machine | |
| CN208546491U (en) | A kind of heavy load vehicle motor driven hub reduction gear | |
| CN116398617A (en) | Anti-backlash method for torque reducing motor module | |
| CN107701704A (en) | Decelerator combination dynamic sealing device | |
| CN202726933U (en) | Wrist transmission structure of manipulator | |
| CN211599417U (en) | Special planetary reducer of air cycle | |
| CN209100608U (en) | A kind of driving speed reducer of heavy engineering machinery | |
| CN204186961U (en) | A kind of durable type main reducing gear of drive axle assembly | |
| CN201396401Y (en) | Traveling planetary speed reducer | |
| CN209100607U (en) | A kind of driving speed reducer of ultra-large type hydraulic crawler excavator | |
| CN110332284A (en) | A kind of twin-stage driving speed reducer of band brake axis | |
| CN207634653U (en) | Retarder combination dynamic sealing device | |
| CN202108936U (en) | Adjustable worm-gear case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |