CN210623250U - Hydraulic cylinder overload automatic protection system - Google Patents
Hydraulic cylinder overload automatic protection system Download PDFInfo
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- CN210623250U CN210623250U CN201921435669.8U CN201921435669U CN210623250U CN 210623250 U CN210623250 U CN 210623250U CN 201921435669 U CN201921435669 U CN 201921435669U CN 210623250 U CN210623250 U CN 210623250U
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- overflow valve
- cylinder
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Abstract
The utility model relates to a hydraulic pressure technical field, more specifically say, it relates to a pneumatic cylinder overload automatic protection system, and its technical scheme main points are: the hydraulic oil tank comprises a hydraulic oil cylinder, an oil tank, an oil pipe, hydraulic oil and a pilot overflow valve, wherein the hydraulic oil cylinder is connected with the pilot overflow valve; the pilot overflow valve is connected with the oil tank; the pilot overflow valve is connected with the hydraulic oil cylinder by at least 3 first oil pipes; the first tubing having a size of at least 2 inches; the pilot overflow valve is connected with the oil tank by at least 1 second oil pipe; the second tubing has a size of at least 4 inches. An object of the utility model is to provide a novel automatic protection system that transships of gyratory crusher pneumatic cylinder, it is fast to have the reaction, and oil discharge speed is also fast, and the oil discharge volume is big, can protect equipment's safety and reliable well, can adapt to the sudden increase of pressure when instantaneously transshipping the iron completely, needs the emergency of oil discharge immediately and the advantage of unusual operating mode.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field, more specifically say, it relates to a pneumatic cylinder overload automatic protection system.
Background
When an object which cannot be crushed, such as an iron block, is encountered during the use process of the gyratory crusher, the load of a main shaft is suddenly increased, and if the pressure relief operation is not carried out, the equipment is easily damaged.
The existing domestic gyratory crushers all adopt an overload automatic protection system of an energy accumulator, the reaction is slow, the oil discharge speed is slow, great risks are caused to equipment, the phenomenon of shaft breakage is possible, particularly large-sized equipment has large diameter of an oil cylinder and large instantaneous overload oil discharge amount, so that the overload automatic protection system of the energy accumulator is more difficult to adapt to and meet requirements.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a gyratory crusher pneumatic cylinder overload automatic protection system has that the reaction is fast, and oil discharge speed is also fast, and the oil discharge volume is big, can protect equipment's safety and reliability well, can adapt to the sudden increase of pressure when instantaneously transshipping the iron completely, the emergency that needs oil discharge immediately and the advantage of unusual operating mode.
The above technical purpose of the present invention can be achieved by the following technical solutions: the hydraulic cylinder overload automatic protection system comprises a hydraulic cylinder, an oil tank, an oil pipe and hydraulic oil, and is characterized by further comprising a pilot overflow valve, wherein the hydraulic cylinder is connected with the pilot overflow valve; the pilot overflow valve is connected with the oil tank; the pilot overflow valve is connected with the hydraulic oil cylinder by at least 3 first oil pipes; the first tubing having a size of at least 2 inches; the pilot overflow valve is connected with the oil tank by at least 1 second oil pipe; the second tubing has a size of at least 4 inches.
By adopting the technical scheme, the traditional energy accumulator is replaced by the pilot overflow valve, the oil inlet pipe is additionally arranged, the diameter of the oil return pipe is increased, the structural design is optimized, the reaction time of the system is shortened, the oil discharge action can be completed within about 1 second, the speed is 1 time faster than that of an overload automatic protection system adopting the energy accumulator, and the safe and reliable operation of the equipment is guaranteed.
The utility model discloses further set up to: the oil tank consists of a hydraulic oil station and a thin oil lubrication station; the hydraulic oil station and the thin oil lubrication station are mutually independent; the hydraulic oil station is provided with a hydraulic oil inlet and a hydraulic oil return port, and the hydraulic oil inlet is connected with an oil pump; the thin oil lubrication station is provided with a thin oil inlet and a thin oil return port, and the thin oil inlet is connected with an oil pump.
By adopting the technical scheme, the oil tank is attractive, and the interface of the lubricating system is arranged.
The utility model discloses further set up to: the side wall of the hydraulic oil cylinder is provided with a lubricating oil inlet and a lubricating oil outlet, and the bottom of the hydraulic oil cylinder is provided with a hydraulic oil port.
By adopting the technical scheme, the hydraulic oil cylinder can be connected with other components.
The utility model discloses further set up to: the lubricating oil inlet is connected with a thin oil inlet of the thin oil lubrication station by using 1 oil pipe of 2 inches; and the lubricating oil outlet is connected with a thin oil return port of the thin oil lubricating station by using 1 oil pipe with 4 inches.
By adopting the technical scheme, the hydraulic oil cylinder is provided with the lubricating system, so that the working efficiency can be improved, and the maintenance cost can be reduced.
The utility model discloses further set up to: the pilot overflow valve is provided with a first oil inlet and outlet, a second oil inlet and outlet and a remote control oil port, wherein the second oil inlet and outlet are connected with the oil port of the hydraulic oil cylinder by using 3 2-inch oil pipes; the first oil inlet and outlet is connected with a hydraulic oil inlet in the oil tank by using 1 oil pipe of 2 inches; the remote control oil port is connected with the hydraulic oil return port by using 1 oil pipe with 4 inches.
By adopting the technical scheme, the pilot overflow valve is used as a main element for hydraulic overload automatic pressure relief, so that the response is quicker, and when the remote control oil port is connected with the oil return port of the oil tank and the system is under lower pressure, the remote control oil port can open the valve to enable hydraulic oil to flow back to complete pressure relief.
The utility model discloses further set up to: and the oil pipe used for passing in and out the second oil port and the hydraulic oil cylinder is a high-pressure hose.
By adopting the technical scheme, the stability and the reliability of the oil inlet end are ensured.
The utility model discloses further set up to: the pilot overflow valve is connected with the hydraulic oil cylinder by using 3 oil pipes of 2 inches; the pilot overflow valve is connected with the oil tank by 1 oil pipe with 4 inches.
By adopting the technical scheme, the number and the size of the oil pipes in the embodiment are determined.
The utility model discloses further set up to: the hydraulic oil is No. 46 antiwear hydraulic oil.
By adopting the technical scheme, the hydraulic system has better use effect, and the hydraulic oil has excellent wear resistance, excellent oxidation resistance, excellent corrosion resistance, lower pour point and excellent air release and anti-foaming performance, thereby providing excellent power for the hydraulic system.
To sum up, the utility model discloses following beneficial effect has:
firstly, the reaction is fast, the oil discharge speed is fast, the oil discharge amount is large, and the safety and the reliability of equipment can be well protected;
and secondly, the device can completely adapt to the sudden situation and abnormal working conditions that the pressure is suddenly increased when the iron is overloaded instantaneously and oil is required to be unloaded immediately.
Drawings
FIG. 1 is a schematic diagram of an automatic overload protection system employing a pilot relief valve;
in the figure: 1. a hydraulic cylinder; 2. a pilot overflow valve; 3. an oil tank; 4. a first oil pipe; 5. lubricating an oil inlet pipe; 6. lubricating an oil return pipe; 7. a second oil pipe; 8. a third oil pipe; 9. a hydraulic oil return port; 10. a hydraulic oil inlet; 11. a thin oil return port; 12. and a thin oil inlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, when applied to an overload automatic protection system of a hydraulic cylinder of a gyratory crusher, the overload automatic protection system is composed of a hydraulic cylinder 1, a pilot overflow valve 2, an oil tank 3, a first oil pipe 4, a lubricating oil inlet pipe 5, a lubricating oil return pipe 6, a second oil pipe 7, a third oil pipe 8, hydraulic oil filled between the oil tank 3 and a pipeline, and the like.
Specifically, the hydraulic oil cylinder 1 is connected with a pilot overflow valve 2; the pilot overflow valve 2 is connected with the oil tank 3; the pilot overflow valve 2 is connected with the hydraulic oil cylinder 1 by at least 3 first oil pipes 4; the first tubing 4 is at least 2 inches in size; the pilot overflow valve 2 is connected with the oil tank 3 by at least 1 second oil pipe 7; the second tubing 7 is at least 4 inches in size. After the technical scheme is adopted, the traditional energy accumulator is replaced by the pilot overflow valve 2, the oil inlet pipe is additionally arranged, the diameter of the oil return pipe is increased, the structural design is optimized, the reaction time of the system is shortened, the oil discharge action can be completed within about 1 second, the speed is 1 time faster than that of an overload automatic protection system adopting the energy accumulator, and the safe and reliable operation of the equipment is guaranteed.
Specifically, the oil tank 3 consists of a hydraulic oil station and a thin oil lubrication station; the hydraulic oil station and the thin oil lubrication station are mutually independent; the hydraulic oil station is provided with a hydraulic oil inlet 10 and a hydraulic oil return port 9, and the hydraulic oil inlet 10 is connected with an oil pump; the thin oil lubrication station is provided with a thin oil inlet 12 and a thin oil return port 11, and the thin oil inlet 12 is connected with an oil pump. After adopting above-mentioned technical scheme, beautifully having been equipped with lubricating system's interface oil tank 3.
Specifically, the side wall of the hydraulic oil cylinder 1 is provided with a lubricating oil inlet and a lubricating oil outlet, and the bottom of the hydraulic oil cylinder is provided with a hydraulic oil port. After the technical scheme is adopted, the hydraulic oil cylinder 1 can be connected with other components.
Specifically, the lubricating oil inlet is connected with a thin oil inlet 12 of the thin oil lubrication station by using 1 oil pipe of 2 inches; and the lubricating oil outlet is connected with a thin oil return port 11 of the thin oil lubricating station by using 1 oil pipe with 4 inches. After the technical scheme is adopted, the hydraulic oil cylinder 1 is provided with the lubricating system, so that the working efficiency can be improved, and the maintenance cost can be reduced.
Specifically, the pilot overflow valve 2 is provided with a first oil inlet and outlet, a second oil inlet and outlet and a remote control oil port, wherein the second oil inlet and outlet are connected with the oil port of the hydraulic oil cylinder 1 by using 3 2-inch oil pipes; the first oil inlet and outlet is connected with a hydraulic oil inlet 10 in the oil tank 3 by using 1 oil pipe of 2 inches; the remote control oil port is connected with the hydraulic oil return port 9 by using 1 oil pipe with 4 inches. After the technical scheme is adopted, the pilot overflow valve 2 is used as a main element for hydraulic overload automatic pressure relief, so that the response is quicker, and when the remote control oil port is connected with the oil return port of the oil tank 3 and the system is under lower pressure, the remote control oil port can open the valve to enable hydraulic oil to flow back to complete pressure relief.
Specifically, the oil pipe connected with the second oil inlet and the second oil outlet and used by the hydraulic oil cylinder 1 is a high-pressure hose. After the technical scheme is adopted, the stability and the reliability of the oil inlet end are ensured.
Specifically, the pilot overflow valve 2 is connected with the hydraulic oil cylinder 1 by using 3 oil pipes of 2 inches; the pilot overflow valve 2 is connected with the oil tank 3 by using 1 oil pipe with 4 inches. After the technical scheme is adopted, the number and the size of the oil pipes are determined.
Specifically, the used hydraulic oil is No. 46 antiwear hydraulic oil. By adopting the technical scheme, the hydraulic system has better use effect, and the hydraulic oil has excellent wear resistance, excellent oxidation resistance, excellent corrosion resistance, lower pour point and excellent air release and anti-foaming performance, thereby providing excellent power for the hydraulic system.
In conclusion, when the system is applied to the overload automatic protection system of the hydraulic cylinder of the gyratory crusher, in the working process of the gyratory crusher, when an object which cannot be crushed, such as an iron block, is encountered, the hydraulic cylinder can be quickly released through the action of the pilot overflow valve 2, so that the main shaft and the body lining plate of the gyratory crusher are reduced, and equipment is protected.
It is only above the utility model discloses a one of them embodiment, the utility model discloses a protection scope not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses technical scheme under the thinking all belongs to the utility model discloses a protection scope. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The hydraulic cylinder overload automatic protection system comprises a hydraulic cylinder, an oil tank, an oil pipe and hydraulic oil, and is characterized by further comprising a pilot overflow valve, wherein the hydraulic cylinder is connected with the pilot overflow valve; the pilot overflow valve is connected with the oil tank; the pilot overflow valve is connected with the hydraulic oil cylinder by at least 3 first oil pipes; the first tubing having a size of at least 2 inches; the pilot overflow valve is connected with the oil tank by at least 1 second oil pipe; the second tubing has a size of at least 4 inches.
2. The system of claim 1, wherein the hydraulic cylinder overload automatic protection system comprises: the oil tank consists of a hydraulic oil station and a thin oil lubrication station; the hydraulic oil station and the thin oil lubrication station are mutually independent; the hydraulic oil station is provided with a hydraulic oil inlet and a hydraulic oil return port, and the hydraulic oil inlet is connected with an oil pump; the thin oil lubrication station is provided with a thin oil inlet and a thin oil return port, and the thin oil inlet is connected with an oil pump.
3. The system of claim 2, wherein the hydraulic cylinder overload automatic protection system comprises: the side wall of the hydraulic oil cylinder is provided with a lubricating oil inlet and a lubricating oil outlet, and the bottom of the hydraulic oil cylinder is provided with a hydraulic oil port.
4. The system of claim 3, wherein the hydraulic cylinder overload automatic protection system comprises: the lubricating oil inlet is connected with a thin oil inlet of the thin oil lubrication station by using 1 oil pipe of 2 inches; and the lubricating oil outlet is connected with a thin oil return port of the thin oil lubricating station by using 1 oil pipe with 4 inches.
5. The hydraulic cylinder overload automatic protection system according to claim 2, wherein: the pilot overflow valve is provided with a first oil inlet and outlet, a second oil inlet and outlet and a remote control oil port, wherein the second oil inlet and outlet are connected with the oil port of the hydraulic oil cylinder by using 3 2-inch oil pipes; the first oil inlet and outlet is connected with a hydraulic oil inlet in the oil tank by using 1 oil pipe of 2 inches; the remote control oil port is connected with the hydraulic oil return port by using 1 oil pipe with 4 inches.
6. The system of claim 5, wherein the hydraulic cylinder overload automatic protection system comprises: and the oil pipe used for passing in and out the second oil port and the hydraulic oil cylinder is a high-pressure hose.
7. The system of claim 1, wherein the hydraulic cylinder overload automatic protection system comprises: the pilot overflow valve is connected with the hydraulic oil cylinder by using 3 oil pipes of 2 inches; the pilot overflow valve is connected with the oil tank by 1 oil pipe with 4 inches.
8. The system of claim 1, wherein the hydraulic cylinder overload automatic protection system comprises: the hydraulic oil is No. 46 antiwear hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921435669.8U CN210623250U (en) | 2019-08-31 | 2019-08-31 | Hydraulic cylinder overload automatic protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921435669.8U CN210623250U (en) | 2019-08-31 | 2019-08-31 | Hydraulic cylinder overload automatic protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623250U true CN210623250U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921435669.8U Active CN210623250U (en) | 2019-08-31 | 2019-08-31 | Hydraulic cylinder overload automatic protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623250U (en) |
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2019
- 2019-08-31 CN CN201921435669.8U patent/CN210623250U/en active Active
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