CN213684111U - Short thin star wheel driving device - Google Patents
Short thin star wheel driving device Download PDFInfo
- Publication number
- CN213684111U CN213684111U CN202022723679.0U CN202022723679U CN213684111U CN 213684111 U CN213684111 U CN 213684111U CN 202022723679 U CN202022723679 U CN 202022723679U CN 213684111 U CN213684111 U CN 213684111U
- Authority
- CN
- China
- Prior art keywords
- output flange
- motor
- star wheel
- motor seat
- spline shaft
- 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
- 239000000428 dust Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses a low and thin star wheel driving device, which comprises a star wheel, an output flange, a spline shaft, a slewing bearing, a motor seat and a half motor; the star wheel is arranged on an output flange, the output flange is connected with a motor seat through a slewing bearing, a floating oil seal is arranged between the output flange and the motor seat, and a half motor is arranged on the motor seat; the spline shaft is arranged in the output flange, the motor seat and the half motor, one end of the spline shaft is connected with the output flange, and the other end of the spline shaft penetrates through the motor seat to be connected with the half motor. The invention adopts the half motor to reduce the axial size of the motor; the output flange is fixed by adopting the slewing bearing, so that the axial size of the star wheel connected with the output flange can be reduced. Through the reduction of each axial dimension, can reach the effect that reduces star wheel drive arrangement axial dimension and reduce star wheel drive arrangement mounting height, and then increase the distance between star wheel drive arrangement and the cutting arm to make star wheel drive arrangement satisfy the requirement of low type entry driving machine.
Description
Technical Field
The utility model relates to a short slim star gear drive arrangement belongs to the engineering machine tool field.
Background
The star wheel driving device is installed on a shovel plate of the heading machine, the star wheel leaks out of the upper surface of the shovel plate, and the motor is hidden in a shovel plate box body. When the heading machine is used for floor sweeping construction, the cutting arm can swing downwards, and the cutting arm and the star wheel are close to each other or even collide with each other at the moment. In order to prevent the cutting arm from colliding with the star wheel, the bottom of the cutting arm needs to be not too large during design, but the bottom sweeping depth of the heading machine can be influenced, and the construction effect is influenced. To ensure bedding, only the star wheel height can be reduced. Because the motor of the star wheel driving device is hidden in the shovel board box body, the motor can touch the bottom plate of the shovel board box body if the motor is lowered too much. Meanwhile, the star wheel is connected with the output flange and leaks on the surface of the shovel plate, and the output flange is higher, so that the height of the star wheel cannot be greatly reduced.
Therefore, at present, due to the limitation of the height of the star wheel and the height of the motor, the installation height of the star wheel driving device is limited, and further the downward swing angle of the cutting arm and the installation height of the cutting arm relative to the complete machine are limited, so that the bottom sweeping effect of the cutting arm is influenced. Particularly for a low-type heading machine, the height of the whole machine cannot meet the requirement of low height due to the limited installation height of the cutting arm.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a short slim star gear drive arrangement effectively satisfies the user demand of short type entry driving machine.
In order to achieve the purpose, the utility model discloses a low slim star wheel drive device, including star wheel, output flange, integral key shaft, slewing bearing, motor seat and half motor;
the star wheel is arranged on an output flange, the output flange is connected with a motor base through a slewing bearing, a floating oil seal is arranged between the output flange and the motor base, and a half motor is arranged on the motor base;
the spline shaft is arranged inside the output flange, the motor seat and the half motor, one end of the spline shaft is connected with the output flange, and the other end of the spline shaft penetrates through the motor seat to be connected with the half motor.
Furthermore, a spring is arranged between the spline shaft and the output flange.
Furthermore, the output flange is connected with the slewing bearing through a second bolt, and a combined sealing gasket is arranged between the second bolt and the output flange.
Furthermore, the half motor is connected with the motor seat through a bolt IV, and an O-shaped sealing ring is arranged between the half motor and the motor seat; and a rotary GREEN ring is arranged between the spline shaft and the motor seat.
Furthermore, the star wheel is connected with the output flange through a spring washer and a first bolt, and a positioning pin is arranged between the star wheel and the output flange; the slewing bearing is connected with the motor base through a self-locking washer and a third bolt;
one side of the floating oil seal is arranged in a groove of the output flange, and the other side of the floating oil seal is arranged in a groove of the motor seat; a dustproof ring is installed between the output flange and the motor seat, one side of the dustproof ring is installed in a groove of the output flange, and the other side of the dustproof ring is installed in a groove of the motor seat.
Additionally, the utility model also provides a heading machine, install on the heading machine short slim star gear drive arrangement.
Compared with the prior art, the short and thin star wheel driving device of the utility model adopts the half motor to reduce the axial size of the motor; the output flange is fixed by the slewing bearing, the traditional mode that the output flange is fixed by a pair of bearings is replaced, the axial size of the output flange can be reduced, and further the axial size of a star wheel connected with the output flange is reduced. Through the reduction of each axial dimension, can reach the effect that reduces star wheel drive arrangement axial dimension and reduce star wheel drive arrangement mounting height, and then increase the distance between star wheel drive arrangement and the cutting arm to make star wheel drive arrangement satisfy the requirement of low type entry driving machine.
Drawings
Fig. 1 is a schematic view of the internal structure of the star wheel driving device of the present invention;
fig. 2 is a schematic perspective view of the star wheel driving device of the present invention;
fig. 3 is a front view of the star wheel driving device of the present invention;
fig. 4 is an installation schematic diagram of the star wheel driving device of the utility model;
in the figure: 1. the device comprises a star wheel, 2, a positioning pin, 3, an elastic pad, 4, a bolt I, 5, an output flange, 6, a combined sealing gasket, 7, a bolt II, 8, a spring, 9, a spline shaft, 10, a rotary GREEN, 11, a self-locking gasket, 12, a bolt III, 13, a dust ring, 14, a floating oil seal, 15, a motor seat, 16, a slewing bearing, 17 and an O-shaped sealing ring, 18, a bolt IV, 19, a half motor, 20, a shovel plate, 21, a shovel plate box bottom plate, 22, a cutting arm, 23 and a star wheel driving device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, 2 and 3, the low and thin star wheel driving device comprises a star wheel 1, an output flange 5, a spline shaft 9, a slewing bearing 16, a motor base 15 and a half motor 19;
the star wheel 1 is connected with an output flange 5 through an elastic pad 3 and a bolt I4, a positioning pin 2 is arranged between the star wheel 1 and the output flange 5, and the star wheel is limited through the positioning pin 2;
the output flange 5 is connected with the slewing bearing 16 through a second bolt 7, and a combined sealing gasket 6 is arranged between the second bolt 7 and the output flange 5 and used for sealing lubricating oil in the driving device;
the slewing bearing 16 is connected with a motor seat 15 through a self-locking washer 11 and a third bolt 12, a floating oil seal 14 is arranged between the output flange 5 and the motor seat 15, one side of the floating oil seal 14 is arranged in a groove of the output flange 5, and the other side of the floating oil seal is arranged in a groove of the motor seat 15, so that gear oil in the driving device is sealed, and meanwhile, external dust, fine sand and the like can be prevented from entering the driving device;
a dustproof ring 13 is further arranged between the output flange 5 and the motor seat 15, one side of the dustproof ring 13 is arranged in the groove of the output flange 5, and the other side of the dustproof ring 13 is arranged in the groove of the motor seat 15, so that external dust, fine sand and the like are prevented from entering the interior of the driving device;
the half motor 19 is connected with the motor seat 15 through a fourth bolt 18, and an O-shaped sealing ring 17 is arranged between the half motor 19 and the motor seat 15, so that hydraulic oil in the half motor 19 is sealed;
the spline shaft 9 is arranged inside the output flange 5, the motor seat 15 and the half motor 19, one end of the spline shaft 9 is connected with the output flange 5, the other end of the spline shaft passes through the motor seat 15 to be connected with the half motor 19, so that the function of torque transmission is achieved, a rotary GREEN 10 is arranged between the spline shaft 9 and the motor seat 15, and the spline shaft and the O-shaped sealing ring 17 are used for sealing hydraulic oil inside the half motor 19.
And a spring 8 is arranged between the spline shaft 9 and the output flange 5, and plays a role in adjusting the axial size of the spline shaft 9.
In addition, as shown in fig. 4, the low thin star wheel driving device is also installed on the heading machine. The star wheel drive device 23 of the present invention is attached to a blade 20 of a heading machine so that the star wheel 1 is exposed from the upper surface of the blade 20 and the half motor 19 is hidden on a blade casing base plate 21 (i.e., the half motor 19 is located inside the casing). When the heading machine is used for bottom sweeping construction, the cutting arm 22 swings downwards, the cutting arm 22 is far away from the star wheel 1, and the cutting arm cannot touch the star wheel.
The short and thin star wheel driving device of the utility model adopts a half motor to reduce the axial size of the motor; the output flange is fixed by the slewing bearing, the traditional mode that the output flange is fixed by a pair of bearings is replaced, the axial size of the output flange can be reduced, and further the axial size of a star wheel connected with the output flange is reduced. Through the reduction of each axial dimension, can reach the effect that reduces star wheel drive arrangement axial dimension and reduce star wheel drive arrangement mounting height, and then increase the distance between star wheel drive arrangement and the cutting arm to make star wheel drive arrangement satisfy the requirement of low type entry driving machine.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A low and thin star wheel driving device is characterized by comprising a star wheel (1), an output flange (5), a spline shaft (9), a slewing bearing (16), a motor seat (15) and a half motor (19);
the star wheel (1) is arranged on an output flange (5), the output flange (5) is connected with a motor base (15) through a slewing bearing (16), a floating oil seal (14) is arranged between the output flange (5) and the motor base (15), and a half motor (19) is arranged on the motor base (15);
the spline shaft (9) is arranged inside the output flange (5), the motor seat (15) and the half motor (19), one end of the spline shaft (9) is connected with the output flange (5), and the other end of the spline shaft penetrates through the motor seat (15) to be connected with the half motor (19).
2. A low-profile star-wheel drive according to claim 1, characterized in that springs (8) are mounted between the spline shaft (9) and the output flange (5).
3. A low-profile star-wheel drive according to claim 1, characterized in that said output flange (5) is connected to the slewing bearing (16) by means of a second bolt (7), and a composite gasket (6) is mounted between said second bolt (7) and the output flange (5).
4. A low-profile star-wheel drive according to claim 1, characterized in that said half-motor (19) is connected to the motor seat (15) by means of four bolts (18), and an O-ring (17) is mounted between the half-motor (19) and the motor seat (15); and a rotary GREEN (10) is arranged between the spline shaft (9) and the motor seat (15).
5. The low and thin star wheel driving device according to claim 1, wherein the star wheel (1) is connected with an output flange (5) through an elastic cushion (3) and a bolt I (4), and a positioning pin (2) is arranged between the star wheel (1) and the output flange (5); the slewing bearing (16) is connected with the motor seat (15) through a self-locking washer (11) and a third bolt (12);
one side of the floating oil seal (14) is arranged in a groove of the output flange (5), and the other side of the floating oil seal is arranged in a groove of the motor seat (15); install dust ring (13) between output flange (5) and motor seat (15), install in the ditch inslot of output flange (5) one side of dust ring (13), the ditch inslot at motor seat (15) is installed to the opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723679.0U CN213684111U (en) | 2020-11-23 | 2020-11-23 | Short thin star wheel driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723679.0U CN213684111U (en) | 2020-11-23 | 2020-11-23 | Short thin star wheel driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684111U true CN213684111U (en) | 2021-07-13 |
Family
ID=76734571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022723679.0U Active CN213684111U (en) | 2020-11-23 | 2020-11-23 | Short thin star wheel driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684111U (en) |
-
2020
- 2020-11-23 CN CN202022723679.0U patent/CN213684111U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101581360B (en) | Strong sealing oil motor driving speed reducer | |
| CN104989461B (en) | Full floating bearing turbocharger rotor-support-foundation system | |
| CN104455231A (en) | Double-intermediate shaft transmission assembly matched with parallel hydrodynamic retarder | |
| CN213684111U (en) | Short thin star wheel driving device | |
| CN202209422U (en) | Bearing oil seal | |
| CN102287521A (en) | Waterproof rotary driving device | |
| CN104057927A (en) | Hydraulic supporting leg structure and movable type crusher | |
| CN202158150U (en) | Inversely-arranged rotary speed reducer | |
| CN206129491U (en) | Hydraulic motor | |
| CN214464154U (en) | Eccentric variable torque type star wheel driving device and heading machine | |
| CN202203403U (en) | Oil seal for wheel edge of engineering machinery | |
| CN203146868U (en) | Rotary valve | |
| CN102345709B (en) | Inversed rotating reductor | |
| CN211849678U (en) | Novel milling and excavating machine | |
| CN201368184Y (en) | Differential mechanism adjusting gasket of automobile transmission bridge | |
| CN204327876U (en) | A kind of twin countershaft transmission assembly mating hydrodynamic retarder in parallel | |
| CN209839503U (en) | Combined flywheel casing | |
| CN202203406U (en) | Oil seal for wheel edge of engineering machinery | |
| CN205231935U (en) | Motor shaft connecting structure of speed reducer | |
| CN2517788Y (en) | Large power land leveller worm gear | |
| CN112855151A (en) | Eccentric variable torque type star wheel driving device and heading machine | |
| CN202188101U (en) | Waterproof rotary driving device | |
| CN205615338U (en) | Dustproof intermediate support assembly | |
| CN218437251U (en) | Mounting structure of hydraulic pressure desilting pump | |
| CN204020847U (en) | A kind of hydraulic ram structure and movable crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuzhou XCMG Energy Equipment Co.,Ltd. Assignor: XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY Co.,Ltd. Contract record no.: X2024980009245 Denomination of utility model: A short and thin star wheel drive device Granted publication date: 20210713 License type: Common License Record date: 20240710 |
|
| EE01 | Entry into force of recordation of patent licensing contract |