CN116677585A - Hydraulic pump support device capable of reducing vibration and noise - Google Patents
Hydraulic pump support device capable of reducing vibration and noise Download PDFInfo
- Publication number
- CN116677585A CN116677585A CN202310871519.6A CN202310871519A CN116677585A CN 116677585 A CN116677585 A CN 116677585A CN 202310871519 A CN202310871519 A CN 202310871519A CN 116677585 A CN116677585 A CN 116677585A
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- flange
- mounting plate
- bearing
- shaft sleeve
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention relates to a hydraulic pump bracket device capable of reducing vibration and noise, which comprises: the hydraulic pump comprises a hydraulic pump bracket, a shaft sleeve arranged on the hydraulic pump bracket and a bearing arranged in the shaft sleeve; a flange is arranged in the bearing, one end of the flange is connected with the power taking transmission shaft, and the other end of the flange is connected with the hydraulic pump. The device can solve the defect in the prior art, eliminates the radial force of the spline parts of the connecting flange and the hydraulic pump, reduces the vibration of the force-taking transmission shaft, the connecting flange and the hydraulic pump, and thus reduces the noise generated by the hydraulic pump.
Description
Technical Field
The invention relates to the technical field of hydraulic pumps, in particular to a hydraulic pump bracket device capable of reducing vibration and noise.
Background
The hydraulic pump power unit of the crane is used for providing hydraulic oil for the hydraulic system. Typically, the power unit includes an engine, a gearbox, a transfer case, etc., and one end of the hydraulic pump transmission is connected to the power unit, while the other end is connected to the hydraulic pump, and the power of the power unit is transmitted to the hydraulic pump.
The common hydraulic pump transmission device is that a gearbox is connected with a hydraulic pump through a power taking transmission shaft and transmits power through the transmission shaft. The gap between the outer part of the connecting flange between the existing power taking transmission shaft and the hydraulic pump bracket is larger, no support exists, radial runout of the power taking transmission shaft is large, radial force of the spline parts of the flange and the hydraulic pump is large, the power taking transmission shaft, the flange and the hydraulic pump vibrate greatly, noise is generated greatly, and the crane experience is poor during working.
Disclosure of Invention
The invention aims to provide a hydraulic pump bracket device capable of reducing vibration and noise, which can solve the defects in the prior art, eliminate radial force of a connecting flange and a spline part of a hydraulic pump, reduce vibration of a force taking transmission shaft, the connecting flange and the hydraulic pump, and further reduce noise generated by the hydraulic pump.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a hydraulic pump mount arrangement for damping and reducing noise, the arrangement comprising: the hydraulic pump comprises a hydraulic pump bracket, a shaft sleeve arranged on the hydraulic pump bracket and a bearing arranged in the shaft sleeve;
and a flange is arranged in the bearing, one end of the flange is connected with the power taking transmission shaft, and the other end of the flange is connected with the hydraulic pump.
Further, the hydraulic pump bracket includes a first mounting plate, a second mounting plate disposed at one side of the first mounting plate, and a pair of reinforcing ribs connected between the first mounting plate and the second mounting plate.
Further, an outer check ring and an inner check ring are respectively arranged on two sides of the bearing.
Further, a sealing plate is arranged on one side of the shaft sleeve, which is close to the power taking transmission shaft;
the sealing plate is connected with the shaft sleeve through bolts and a first anti-loosening washer.
Further, the flange is connected to the spline portion of the hydraulic pump by a fastening bolt and a second lock washer.
Further, an oil cup is arranged on the mounting groove.
Further, the first mounting plate is provided with a mounting groove.
Further, a plurality of mounting holes are formed in the second mounting plate.
Compared with the prior art, the invention has the advantages that:
in the invention, the outer part of the connecting flange between the force taking transmission shaft and the hydraulic pump is connected with the hydraulic pump bracket through the bearing and the shaft sleeve, and the radial force of the spline parts of the flange and the hydraulic pump can be eliminated by arranging the bearing and the shaft sleeve, so that the vibration of the force taking transmission shaft, the flange and the hydraulic pump is reduced, and the noise generated by the hydraulic pump is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of a second embodiment of the present invention.
Wherein:
1. the hydraulic power transmission device comprises a power taking transmission shaft, 2, fastening bolts, 3, a second lock washer, 4, a third lock washer, 5, a flange, 6, bolts, 7, a first lock washer, 8, a sealing plate, 9, an outer baffle ring, 10, a bearing, 11, a shaft sleeve, 12, an inner baffle ring, 13, a hydraulic pump, 14, a second mounting plate, 15, a reinforcing rib plate, 16, a mounting groove, 17, a first mounting plate, 18, an oil cup, 19 and a frame.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
a hydraulic pump mount assembly for vibration and noise damping as shown in fig. 1 and 2, the assembly comprising: a hydraulic pump bracket, a shaft sleeve 11 mounted on the hydraulic pump bracket, and a bearing 10 mounted in the shaft sleeve 11; the bearing 10 is internally provided with a flange 5, one end of the flange 5 is connected with the power taking transmission shaft 1, and the other end of the flange is connected with the hydraulic pump 13. By providing the bearing 10 and the shaft sleeve 11, the radial force of the spline portions of the flange and the hydraulic pump can be eliminated, and the vibration of the power take-off shaft, the flange and the hydraulic pump can be reduced, thereby reducing the noise generated by the hydraulic pump.
Further, the hydraulic pump bracket includes a first mounting plate 17, a second mounting plate 14 provided at one side of the first mounting plate 17, and a pair of reinforcing ribs 15 connected between the first mounting plate 17 and the second mounting plate 14. The first mounting plate is used for mounting the bearing, and the force-taking transmission shaft is connected with the spline part of the hydraulic pump after the flange penetrates through the bearing. The first mounting plate 17 is provided with a mounting groove 16, the mounting slave 16 is used for mounting the shaft sleeve and the bearing therein, one end of the flange 5 is connected with the power taking transmission shaft 1, and the other end of the flange passes through the bearing 10 and then is connected with the spline part of the hydraulic pump 13. An oil cup 18 is mounted on the mounting groove 16. The oil cup 18 is used to lubricate the bearing 10.
Further, the second mounting plate 14 is provided with a plurality of mounting holes. The mounting holes are used for connecting the hydraulic pump bracket and the frame 19. The hydraulic pump bracket is attached to the frame 19 by bolts passing through the mounting holes.
Further, an outer retainer ring 9 and an inner retainer ring 12 are respectively arranged on two sides of the bearing 10. The inner retainer ring 12 and the outer retainer ring 9 are used for fixing the bearing. A sealing plate 8 is arranged on one side of the shaft sleeve 11, which is close to the power taking transmission shaft 1; the closing plate 8 is connected to the sleeve 11 by means of bolts 6 and a first lock washer 7. The sealing plate 8 is used to seal the bearing 10 and prevent dust from entering the interior of the bearing 10.
Further, the flange 5 is connected to the spline portion of the hydraulic pump 13 by means of the fastening bolt 2, the second lock washer 3, and the third lock washer 4. The fastening bolts 2 are used to fix the spline portion of the hydraulic pump 13 with the flange 5.
In summary, the bearing and the shaft sleeve are arranged, so that the gap between the outer part of the connecting flange between the power taking transmission shaft and the hydraulic pump bracket is reduced, and the bearing and the shaft sleeve play a supporting role on the flange, so that the radial runout of the power taking transmission shaft is reduced, the radial force of the spline parts of the flange and the hydraulic pump is eliminated, the vibration of the power taking transmission shaft, the flange and the hydraulic pump is reduced, the noise is reduced, and the experience of the crane in working is ensured.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A hydraulic pump mount assembly for damping vibration and reducing noise, the assembly comprising: the hydraulic pump comprises a hydraulic pump bracket, a shaft sleeve arranged on the hydraulic pump bracket and a bearing arranged in the shaft sleeve;
and a flange is arranged in the bearing, one end of the flange is connected with the power taking transmission shaft, and the other end of the flange is connected with the hydraulic pump.
2. The hydraulic pump mount arrangement of claim 1 wherein,
the hydraulic pump support comprises a first mounting plate, a second mounting plate arranged on one side of the first mounting plate, and a pair of reinforcing rib plates connected between the first mounting plate and the second mounting plate.
3. The hydraulic pump mount arrangement of claim 1 wherein,
and an outer check ring and an inner check ring are respectively arranged on two sides of the bearing.
4. The hydraulic pump mount arrangement of claim 1 wherein,
a sealing plate is arranged on one side of the shaft sleeve, which is close to the power taking transmission shaft;
the sealing plate is connected with the shaft sleeve through bolts and a first anti-loosening washer.
5. The hydraulic pump mount arrangement of claim 1 wherein,
the flange is connected to the spline portion of the hydraulic pump by a fastening bolt and a second lock washer.
6. The hydraulic pump mount arrangement of claim 1 wherein,
and an oil cup is arranged on the mounting groove.
7. The hydraulic pump mount arrangement of claim 2 wherein,
the first mounting plate is provided with a mounting groove.
8. The hydraulic pump mount arrangement of claim 2 wherein,
and a plurality of mounting holes are formed in the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310871519.6A CN116677585A (en) | 2023-07-16 | 2023-07-16 | Hydraulic pump support device capable of reducing vibration and noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310871519.6A CN116677585A (en) | 2023-07-16 | 2023-07-16 | Hydraulic pump support device capable of reducing vibration and noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116677585A true CN116677585A (en) | 2023-09-01 |
Family
ID=87785702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310871519.6A Pending CN116677585A (en) | 2023-07-16 | 2023-07-16 | Hydraulic pump support device capable of reducing vibration and noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116677585A (en) |
-
2023
- 2023-07-16 CN CN202310871519.6A patent/CN116677585A/en active Pending
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |