CN202024924U - Stepless angle adjusting device - Google Patents
Stepless angle adjusting device Download PDFInfo
- Publication number
- CN202024924U CN202024924U CN201120050289XU CN201120050289U CN202024924U CN 202024924 U CN202024924 U CN 202024924U CN 201120050289X U CN201120050289X U CN 201120050289XU CN 201120050289 U CN201120050289 U CN 201120050289U CN 202024924 U CN202024924 U CN 202024924U
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- hydraulic cylinder
- cylinder
- adjusting
- loading
- adjusted
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Abstract
The utility model relates to a stepless angle adjusting device which comprises a lower adjusting hydraulic cylinder, an oil storage cylinder, a stop valve, an upper adjusting hydraulic cylinder, a one-way valve, a loading hydraulic cylinder, an adjusting lever, piston rods, a compressed plate and pistons, wherein the lower adjusting hydraulic cylinder is communicated with the lower part of the upper adjusting hydraulic cylinder and is communicated with the oil storage cylinder, and the lower part of the loading hydraulic cylinder is communicated with the oil storage cylinder; the upper adjusting hydraulic cylinder is communicated with the loading hydraulic cylinder; the inner parts of the lower adjusting hydraulic cylinder, the upper adjusting hydraulic cylinder and the loading hydraulic cylinder are provided with the pistons, and the piston rods are connected on the pistons; the piston rods extended from the lower adjusting hydraulic cylinder and the upper adjusting hydraulic cylinder are hinged on the same one compressed plate; and the piston rod extended from the loading hydraulic cylinder is hinged on the adjusting lever. The stepless angle adjusting device has good universality, convenience for adjusting and high working efficiency, saves the working time and realizes stepless adjusting of angles.
Description
Technical field
The utility model relates to angle regulator, is specially the angle stepless regulator.
Background technology
The cab protective device is to be used for providing rational protection to the driver of hydraulic excavator, to keep out from front or top for example rock, fragment or other object penetration driver position, prevents from the driver is caused unnecessary personal safety harm.According to GB/T 19932-2005 " laboratory test and the performance requirement of earthmoving machinery hydraulic excavator driver protective device " and GB/T17922-1999 " roll-over protective structures of earth-machinery laboratory test and performance requirement ", test to verify its reliability of structure and security requirement and the load bearing performance of cab Roll-Over Protective Structure is verified the protective device of cab.Particularly all to do strict test of cab protective device and overturning test, whether satisfy the requirement of security and reliability to detect it for the engineering machinery that exports to foreign countries.
The inclination angle of protection structure is different because of the difference of vehicle before the cab; when the protection structure is carried out load test before to cab; just need test unit can realize the step-less adjustment at inclination angle; and present angle regulator is universal poor; regulate inconvenient; working time is long, inefficiency, and angular adjustment can not realize step-less adjustment.
The utility model content
The technical matters that the utility model solved is to provide the angle stepless regulator, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solved realizes by the following technical solutions:
The angle stepless regulator, comprise and regulate hydraulic cylinder down, hold oil cylinder, stop valve, the adjusted hydraulic cylinder, retaining valve, loading hydraulic cylinder, adjustment (adjusting) lever, piston rod, compression plate and piston, described hydraulic cylinder and the adjusted cylinder lower of regulating down communicates, and with hold oil cylinder and communicate, describedly regulate down hydraulic cylinder and adjusted hydraulic cylinder and hold the oil cylinder place of communicating stop valve is arranged, the bottom of described loading hydraulic cylinder is communicated with holds oil cylinder, described loading hydraulic cylinder has a retaining valve with the place of connection of holding oil cylinder, described adjusted hydraulic cylinder is connected with loading hydraulic cylinder, described adjusted hydraulic cylinder has a retaining valve with the place of connection of loading hydraulic cylinder, the described hydraulic cylinder of regulating down, the adjusted hydraulic cylinder, the inside of loading hydraulic cylinder all is equipped with piston, all be connected with piston rod on the described piston, the described piston rod that stretches out on hydraulic cylinder and the adjusted hydraulic cylinder of regulating down is hinged on the same compression plate, and the piston rod that stretches out on the described loading hydraulic cylinder is hinged on the adjustment (adjusting) lever.
Beneficial effect
The utility model is universal good, easy to adjust, saves the working time, and high efficiency realizes stepless adjustment angle.
Description of drawings
Fig. 1 is a principle schematic of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the principle schematic of angle stepless regulator, the angle stepless regulator, comprise and regulate hydraulic cylinder 1 down, hold oil cylinder 2, stop valve 3, adjusted hydraulic cylinder 4, retaining valve 5, loading hydraulic cylinder 6, adjustment (adjusting) lever 7, piston rod 8, compression plate 9 and piston 10, described hydraulic cylinder 1 and adjusted hydraulic cylinder 4 bottoms regulated down communicate, and with hold oil cylinder 2 and communicate, describedly regulate down hydraulic cylinder 1 and adjusted hydraulic cylinder 4 and hold oil cylinder 2 places of communicating stop valve 3 is arranged, the bottom of described loading hydraulic cylinder 6 is communicated with holds oil cylinder 2, described loading hydraulic cylinder 6 has a retaining valve 5 with the place of connection of holding oil cylinder 2, described adjusted hydraulic cylinder 4 is connected with loading hydraulic cylinder 6, described adjusted hydraulic cylinder 4 has a retaining valve 5 with the place of connection of loading hydraulic cylinder 6, the described hydraulic cylinder 1 of regulating down, adjusted hydraulic cylinder 4, the inside of loading hydraulic cylinder 6 all is equipped with piston 10, all be connected with piston rod 8 on the described piston 10, the described piston rod 8 that stretches out on hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 of regulating down is hinged on the same compression plate 9, and the piston rod 8 that stretches out on the described loading hydraulic cylinder 6 is hinged on the adjustment (adjusting) lever 7.
During operation, close stop valve 3, adjustment (adjusting) lever 9 makes piston rod 8 to-and-fro movement up or down of stretching out on the loading hydraulic cylinder 6 by the power that applies up or down, thereby make piston 10 to-and-fro movement up or down in the loading hydraulic cylinder 6, when making progress, piston rod 8 make the bottom of piston 10 in the loading hydraulic cylinder 6 form vacuum, atmospheric pressure will back down retaining valve 5 to the hydraulic oil generation pressure that holds in the oil cylinder 2, hold hydraulic oil in the oil cylinder 2 and be pressed into the bottom of piston 10 in the loading hydraulic cylinder 6, when the piston rod in the loading hydraulic cylinder 68 moves downward, piston 10 in the loading hydraulic cylinder 6 moves downward, loading hydraulic cylinder 6 is closed with the retaining valve that is communicated with the place 5 that holds hydraulic jack 2, adjusted hydraulic cylinder 4 is open with the retaining valve that is communicated with the place 5 of loading hydraulic cylinder 6, because regulating the bottom of piston 10 in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 down communicates, the hydraulic oil of the bottom of piston 10 is pressed into down and regulates in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 in the loading hydraulic cylinder 6, it is the same with the pressure size that piston 10 in the adjusted hydraulic cylinder 4 produces to regulating hydraulic cylinder 1 down to be pressed into down the hydraulic oil regulated in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4, thereby make down 8 pairs of compression plates of piston rod 9 of regulating in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 produce thrust, because compression plate 9 and the following hydraulic cylinder 1 of regulating, piston rod 8 in the adjusted hydraulic cylinder 4 is hinged, 8 pairs of compression plates of piston rod, the 9 generation thrusts of regulating down in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 are carried out certain proportional distribution, thereby regulate the movement velocity of regulating the piston rod 8 in hydraulic cylinder 1 and the adjusted hydraulic cylinder 4 down, finally realize the arbitrarily angled adjusting of compression plate 9.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model; the technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. angle stepless regulator, comprise and regulate hydraulic cylinder down, hold oil cylinder, stop valve, the adjusted hydraulic cylinder, retaining valve, loading hydraulic cylinder, adjustment (adjusting) lever, piston rod, compression plate and piston, it is characterized in that, described hydraulic cylinder and the adjusted cylinder lower of regulating down communicates, and with hold oil cylinder and communicate, the bottom of described loading hydraulic cylinder is communicated with holds oil cylinder, described adjusted hydraulic cylinder is connected with loading hydraulic cylinder, the described hydraulic cylinder of regulating down, the adjusted hydraulic cylinder, the inside of loading hydraulic cylinder all is equipped with piston, all be connected with piston rod on the described piston, the described piston rod that stretches out on hydraulic cylinder and the adjusted hydraulic cylinder of regulating down is hinged on the same compression plate, and the piston rod that stretches out on the described loading hydraulic cylinder is hinged on the adjustment (adjusting) lever.
2. angle stepless regulator according to claim 1 is characterized in that, described loading hydraulic cylinder has a retaining valve with the place of connection of holding oil cylinder.
3. angle stepless regulator according to claim 1 is characterized in that, described adjusted hydraulic cylinder has a retaining valve with the place of connection of loading hydraulic cylinder.
4. angle stepless regulator according to claim 1 is characterized in that, describedly regulates down hydraulic cylinder and adjusted hydraulic cylinder and holds the oil cylinder place of communicating stop valve is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050289XU CN202024924U (en) | 2011-02-28 | 2011-02-28 | Stepless angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050289XU CN202024924U (en) | 2011-02-28 | 2011-02-28 | Stepless angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024924U true CN202024924U (en) | 2011-11-02 |
Family
ID=44849868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120050289XU Expired - Fee Related CN202024924U (en) | 2011-02-28 | 2011-02-28 | Stepless angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959736A (en) * | 2021-10-28 | 2022-01-21 | 中国煤炭科工集团太原研究院有限公司 | Underground coal mine vehicle ROPS cab detection test bed |
| CN114389038A (en) * | 2022-03-25 | 2022-04-22 | 亚太卫星宽带通信（深圳）有限公司 | Multi-spot beam satellite antenna angle adjusting system |
-
2011
- 2011-02-28 CN CN201120050289XU patent/CN202024924U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959736A (en) * | 2021-10-28 | 2022-01-21 | 中国煤炭科工集团太原研究院有限公司 | Underground coal mine vehicle ROPS cab detection test bed |
| CN114389038A (en) * | 2022-03-25 | 2022-04-22 | 亚太卫星宽带通信（深圳）有限公司 | Multi-spot beam satellite antenna angle adjusting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140228 |