CN212838329U - Gear pump power transmission device - Google Patents
Gear pump power transmission device Download PDFInfo
- Publication number
- CN212838329U CN212838329U CN202020980594.8U CN202020980594U CN212838329U CN 212838329 U CN212838329 U CN 212838329U CN 202020980594 U CN202020980594 U CN 202020980594U CN 212838329 U CN212838329 U CN 212838329U
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- gear pump
- motor
- transmission device
- shaft
- bearing seat
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Abstract
The utility model discloses a gear pump power transmission device, which comprises a gear pump, a transmission device, a motor and a locking bolt; the transmission device comprises a transmission shaft, a bearing seat, a shaft sleeve, a lip-shaped sealing ring, a rolling bearing, a check ring and a bearing seat end cover; the two ends of the transmission shaft are provided with an external spline and an internal spline which are connected with the output shaft of the motor and the input shaft of the gear pump; an oil filling hole is arranged outside the bearing seat, and a groove for installing a lip-shaped sealing ring and a rolling bearing is arranged inside the bearing seat; flanges which are locked with the gear pump and the motor are arranged at two ends of the bearing block, internal threads are arranged in the flange mounting holes, the gear pump is fixed on the bearing block of the transmission device through locking bolts, and the bearing block end cover are fixed on the motor through locking bolts; the motor output shaft is provided with an internal spline hole matched with the transmission shaft, and the gear pump input shaft is provided with an external spline matched with the transmission shaft, so that the power transmission of the motor to the gear pump is realized through the transmission device. The utility model discloses compact structure, simple to operate, the operation is stable high-efficient.
Description
Technical Field
The utility model relates to a mechanical power transmission's technical field, in particular to gear pump power transmission.
Background
When a hydraulic gear oil pump (gear pump for short) works, a power source is generally required to drive, for example, a motor is required to drive, and a transmission device for transmitting power and torque, namely a gear pump power transmission device, is required to be installed between the motor and the gear pump. Gear pump power transmission among the prior art generally adopts the structure of connecting through shaft coupling or universal drive shaft between motor and gear pump, and the defect of this kind of connected mode is: on the one hand, a large centrifugal force is generated, and partial torque loss is caused; on the other hand, the gear pump needs to be additionally provided with a mounting frame for fixing so as to ensure the coaxiality, and in order to ensure the coaxiality, the requirements on the manufacturing precision and the mounting space of the mounting frame are high, so that the mounting difficulty is easily caused.
Disclosure of Invention
The utility model aims at providing a compact structure, simple to operate, operation stabilize efficient gear pump power transmission.
In order to achieve the above purpose, the utility model relates to a gear pump power transmission device, which comprises a gear pump, a transmission device, a motor and a locking bolt; the transmission device comprises a transmission shaft, a bearing seat, a shaft sleeve, a lip-shaped sealing ring, a rolling bearing, a check ring and a bearing seat end cover; the two ends of the transmission shaft are respectively provided with an external spline and an internal spline which are connected with an output shaft of the motor and an input shaft of the gear pump; an oil filling hole is formed in the outer portion of the bearing seat, and a groove for mounting the lip-shaped sealing ring and the rolling bearing is formed in the bearing seat; mounting flanges which are locked with the gear pump and the motor are respectively arranged at the left end and the right end of the bearing block, an internal thread is arranged in a mounting hole in the mounting flange, a mounting hole with an internal thread is arranged in a bearing block end cover positioned at the right end of the bearing block, the gear pump is fixed on a bearing block of a transmission device through a locking bolt, and the bearing block end cover are fixed on the motor through the locking bolt to complete the mounting and locking of the transmission device, the gear pump and the motor; the output shaft of the motor is provided with an internal spline hole matched with the transmission shaft, and the input shaft of the gear pump is provided with an external spline matched with the transmission shaft so as to realize power transmission of the motor to the gear pump through the transmission device.
The gear pump is fixed on a bearing seat of the transmission device through two locking bolts, and the bearing seat and a bearing seat end cover are fixed on the motor through four locking bolts.
The utility model relates to a gear pump power transmission has following technical characterstic and beneficial effect:
1. the gear pump is directly locked on the motor through the transmission device, so that a mounting bracket of the gear pump in the prior art is omitted, the gear pump is convenient to mount, and the structure is more compact;
2. the motor output shaft and the gear pump input shaft are connected through a shaft, and compared with the connection of a coupler or a universal transmission shaft in the prior art, the gear pump has the advantages of high coaxiality, small centrifugal force, small torque loss and higher transmission efficiency;
3. the device commonality is strong, can be applicable to the gear pump of different models through the mounting dimension of adjustment bearing frame both ends mounting flange.
Drawings
Fig. 1 is the utility model discloses a gear pump power transmission device mounted state appearance structure sketch map.
Fig. 2 is the utility model relates to a gear pump power transmission installation state owner sectional structure sketch map.
Fig. 3 is a main sectional structural schematic diagram of the transmission device in fig. 2.
Fig. 4 is a schematic structural view of a main section of the transmission shaft in fig. 2.
Fig. 5 is a main sectional structural schematic view of the bearing seat in fig. 2.
Fig. 6 is a schematic structural diagram of the bearing seat in fig. 2.
Reference numerals: gear pump 1, transmission 2, transmission shaft 2.1, bearing frame 2.2, axle sleeve 2.3, lip seal 2.4, antifriction bearing 2.5, retaining ring 2.6, bearing frame end cover 2.7, motor 3, locking bolt 4.
Detailed Description
The gear pump power transmission device of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the gear pump power transmission device of the present invention comprises a gear pump 1, a transmission 2, a motor 3 and a locking bolt 4; the transmission device comprises a transmission shaft 2.1, a bearing seat 2.2, a shaft sleeve 2.3, a lip-shaped sealing ring 2.4, a rolling bearing 2.5, a check ring 2.6 and a bearing seat end cover 2.7; the two ends of the transmission shaft 2.1 are respectively provided with an external spline and an internal spline which are connected with an output shaft of the motor 3 and an input shaft of the gear pump 1; an oil filling hole is formed in the outer part of the bearing seat 2.2, and a groove for mounting the lip-shaped sealing ring 2.4 and the rolling bearing 2.5 is formed in the bearing seat 2.2; mounting flanges which are locked with the gear pump 1 and the motor 3 are respectively arranged at the left end and the right end of the bearing block 2.2, internal threads are arranged in mounting holes in the mounting flanges, mounting holes with the internal threads are arranged in a bearing block end cover 2.7 positioned at the right end of the bearing block 2.2, the gear pump 1 is fixed on the bearing block 2.2 of the transmission device 2 through two locking bolts 4, the bearing block 2.2 and the bearing block end cover 2.7 are fixed on the motor 3 through four locking bolts 4, and the transmission device 2 is mounted and locked with the gear pump 1 and the motor 3; the output shaft of the motor 3 is provided with an internal spline hole matched with the transmission shaft 2.1, and the input shaft of the gear pump 1 is provided with an external spline matched with the transmission shaft 2.1 so as to realize the power transmission of the motor 3 to the gear pump 1 through the transmission device 2.
More specific description is given below:
as shown in fig. 1-2, the gear pump power transmission device of the present invention includes a gear pump 1, a transmission 2, a motor 3 and a locking bolt 4; the gear pump 1 is fixed on a bearing seat 2.2 of the transmission device 2 through two locking bolts 4, and the bearing seat 2.2 and a bearing seat end cover 2.7 are fixed on the motor 3 through four locking bolts 4.
As shown in fig. 3, the transmission device 2 for connecting the gear pump 1 and the motor 3 includes a transmission shaft 2.1, a bearing seat 2.2, a shaft sleeve 2.3, a lip seal 2.4, a rolling bearing 2.5, a retainer ring 2.6 and a bearing seat end cover 2.7, wherein the lip seal 2.4 and the rolling bearing 2.5 are installed in a groove on an inner ring of the bearing seat.
As shown in fig. 4, both ends of the transmission shaft 2.1 are provided with an external spline and an internal spline which are connected with the output shaft of the motor and the input shaft of the gear pump; the motor 3 transmits power and torque to the gear pump 1 through splines at two ends of the transmission shaft 2.1.
As shown in fig. 5-6, mounting flanges for locking the gear pump 1 and the motor 3 are arranged at two ends of the bearing seat 2.2, wherein the mounting flange connected with the gear pump 1 is provided with a threaded hole; the inner ring of the bearing seat 2.2 is provided with a groove for mounting parts such as a rolling bearing and the like, and the outer ring is provided with an oil filling hole.
The device of the utility model is simple in structure, simple to operate can play the effect of good transmission power and moment of torsion. In addition, the device commonality is strong, can be applicable to the gear pump of different models through the mounting dimension of adjustment bearing frame 2.2 both ends mounting flange.
Claims (2)
1. The utility model provides a gear pump power transmission, characterized by: the gear pump comprises a gear pump, a transmission device, a motor and a locking bolt; the transmission device comprises a transmission shaft, a bearing seat, a shaft sleeve, a lip-shaped sealing ring, a rolling bearing, a check ring and a bearing seat end cover; the two ends of the transmission shaft are respectively provided with an external spline and an internal spline which are connected with an output shaft of the motor and an input shaft of the gear pump; an oil filling hole is formed in the outer portion of the bearing seat, and a groove for mounting the lip-shaped sealing ring and the rolling bearing is formed in the bearing seat; mounting flanges which are locked with the gear pump and the motor are respectively arranged at the left end and the right end of the bearing block, an internal thread is arranged in a mounting hole in the mounting flange, a mounting hole with an internal thread is arranged in a bearing block end cover positioned at the right end of the bearing block, the gear pump is fixed on a bearing block of a transmission device through a locking bolt, and the bearing block end cover are fixed on the motor through the locking bolt to complete the mounting and locking of the transmission device, the gear pump and the motor; the output shaft of the motor is provided with an internal spline hole matched with the transmission shaft, and the input shaft of the gear pump is provided with an external spline matched with the transmission shaft so as to realize power transmission of the motor to the gear pump through the transmission device.
2. The gear pump power transmission device of claim 1, wherein: the gear pump is fixed on a bearing seat of the transmission device through two locking bolts, and the bearing seat and a bearing seat end cover are fixed on the motor through four locking bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980594.8U CN212838329U (en) | 2020-06-02 | 2020-06-02 | Gear pump power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980594.8U CN212838329U (en) | 2020-06-02 | 2020-06-02 | Gear pump power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838329U true CN212838329U (en) | 2021-03-30 |
Family
ID=75170178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020980594.8U Active CN212838329U (en) | 2020-06-02 | 2020-06-02 | Gear pump power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864733A (en) * | 2023-02-20 | 2023-03-28 | 南通珍恒环保科技有限公司 | Self-suction type sewage pump |
-
2020
- 2020-06-02 CN CN202020980594.8U patent/CN212838329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864733A (en) * | 2023-02-20 | 2023-03-28 | 南通珍恒环保科技有限公司 | Self-suction type sewage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 364028 No. 42, Longteng South Road, Donghua community, Dongxiao Town, Xinluo District, Longyan City, Fujian Province Patentee after: Fulongma Group Co.,Ltd. Address before: 364000 Longyan economic and Technological Development Zone, Fujian Patentee before: FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |