CN217207066U - Hoist hydraulic cylinder driving system with emergency protection device - Google Patents
Hoist hydraulic cylinder driving system with emergency protection device Download PDFInfo
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- CN217207066U CN217207066U CN202221091339.3U CN202221091339U CN217207066U CN 217207066 U CN217207066 U CN 217207066U CN 202221091339 U CN202221091339 U CN 202221091339U CN 217207066 U CN217207066 U CN 217207066U
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Abstract
The utility model discloses a headstock gear pneumatic cylinder actuating system with emergency protection device, including the pneumatic cylinder, be equipped with oil inlet and oil return on the shell of pneumatic cylinder, oil inlet, oil return pass through the pipeline and are connected with main hydraulic pressure station, and it still includes an auxiliary hydraulic pressure station, and auxiliary hydraulic pressure station passes through the pipeline and is connected with oil inlet, oil-out, is provided with auxiliary solenoid electric valve on the pipeline, and main solenoid electric valve, auxiliary solenoid electric valve all are connected with a controller, are equipped with the fault detection sensor in the main hydraulic pressure station. This headstock gear pneumatic cylinder actuating system with emergency protection device has set up an auxiliary hydraulic pressure station on original main hydraulic pressure station's basis, and this auxiliary hydraulic pressure station can regard as the reserve hydraulic pressure station of main hydraulic pressure station, and when main hydraulic pressure station broke down like this, when the circumstances such as pipeline harm, outage appear, accessible controller plays emergency protection effect with auxiliary hydraulic pressure station direct access to the actuating system of pneumatic cylinder in, maintains pneumatic cylinder actuating system's normal operating.
Description
Technical Field
The utility model relates to a headstock gear pneumatic cylinder actuating system, in particular to headstock gear pneumatic cylinder actuating system with emergent protection device.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The working principle of the hydraulic oil cylinder is that hydraulic oil enters the oil cylinder through a one-way valve by a pressure increasing rod, at this time, the hydraulic oil entering the hydraulic oil cylinder cannot back up due to the one-way valve, only the cylinder rod is forced to drive forwards, then the hydraulic oil continues to enter the hydraulic cylinder by applying work, the hydraulic oil is continuously increased in this way, the pressure is increased, and when unloading is needed, the hydraulic valve is opened to enable the hydraulic oil to return to the oil tank. The hydraulic cylinder is a hydraulic device which converts hydraulic energy into mechanical energy and makes linear reciprocating motion or swinging motion, has a simple structure, moves stably when making reciprocating motion, and is widely used in various industries such as engineering machinery, ships, machine tools, even national defense equipment and the like.
Because the hydraulic cylinder can generate very large thrust, the hydraulic cylinder is widely applied to a plurality of large projects, for example, a hoist of a water gate is generally driven and controlled by the hydraulic cylinder, and because an application scene is important, the hydraulic cylinder has very strict requirements on the use safety and is required to be capable of normally keeping safe operation. Therefore, the existing hydraulic cylinder driving system needs to be improved, an emergency protection function is arranged on the hydraulic cylinder driving system, and the problem that the existing hydraulic cylinder driving system cannot work normally after a main system fails is solved.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough among the above-mentioned prior art, the utility model aims to design an headstock gear pneumatic cylinder actuating system with emergent protection device.
The utility model provides an headstock gear pneumatic cylinder actuating system with emergency protection device, includes the pneumatic cylinder, be equipped with at least one oil inlet and at least one oil return opening on the shell of pneumatic cylinder, but be equipped with linear movement's piston rod in the pneumatic cylinder, oil inlet, oil return opening pass through the pipeline and are connected with main hydraulic pressure station, be provided with main electromagnetic control valve on the pipeline, it still includes an auxiliary hydraulic pressure station, auxiliary hydraulic pressure station pass through the pipeline with oil inlet, oil-out are connected, be provided with auxiliary electromagnetic control valve on the pipeline, main electromagnetic control valve, auxiliary electromagnetic control valve all are connected with a controller, be equipped with at least one fault detection sensor in the main hydraulic pressure station, fault detection sensor is used for detecting whether main hydraulic pressure station breaks down.
Preferably, a standby power supply is arranged on the auxiliary hydraulic station.
Preferably, the failure detection sensor is a hydraulic pressure sensor, a temperature sensor, or a voltage detection sensor.
Preferably, the hydraulic cylinder shell is further provided with at least one pressure relief electromagnetic valve, the pressure relief electromagnetic valve is connected with the controller, and the pressure relief electromagnetic valve is connected with an oil tank of the main hydraulic station through an oil pipe.
Preferably, the inner end of the piston rod is provided with a cushion.
The scheme has the following beneficial effects: this headstock gear pneumatic cylinder actuating system with emergency protection device has set up an auxiliary hydraulic pressure station on original main hydraulic pressure station's basis, and this auxiliary hydraulic pressure station can regard as the reserve hydraulic pressure station of main hydraulic pressure station, and when main hydraulic pressure station broke down like this, when the circumstances such as pipeline harm, outage appear, accessible controller plays emergency protection effect with auxiliary hydraulic pressure station direct access to the actuating system of pneumatic cylinder in, maintains pneumatic cylinder actuating system's normal operating.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Description of the element reference numerals: 1. a hydraulic cylinder; 2. a piston rod; 3. an oil inlet; 4. an oil outlet; 5. a primary hydraulic station; 6. an auxiliary hydraulic station; 7. an auxiliary electromagnetic control valve; 8. a pressure relief solenoid valve.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present invention.
As shown in fig. 1, the patent discloses an headstock gear pneumatic cylinder actuating system with emergency protection device, including pneumatic cylinder 1, be equipped with at least one oil inlet and at least one oil return on the shell of pneumatic cylinder 1, the type of hydraulic cylinder can change according to the in-service use demand, can include a plurality of oil inlets 3 or oil-out 4, be equipped with linear motion's piston rod 2 in the pneumatic cylinder 1, oil inlet 3, oil return 4 is connected with main hydraulic station 5 through the pipeline, be provided with main electromagnetic control valve on the pipeline, this hydraulic cylinder actuating system during operation, through the main electromagnetic control valve action that the controller control corresponds, make hydraulic cylinder drive opening and closing member action. The specific structure of the hydraulic station is well known in the art and will not be described in detail herein.
The hydraulic cylinder driving system further comprises an auxiliary hydraulic station 6, the auxiliary hydraulic station is connected with the oil inlet and the oil outlet through a pipeline, an auxiliary electromagnetic control valve 7 is arranged on the pipeline, the main electromagnetic control valve and the auxiliary electromagnetic control valve 7 are both connected with a controller, at least one fault detection sensor is arranged in the main hydraulic station 5 and used for detecting whether the main hydraulic station breaks down or not, and the fault detection sensors are oil pressure sensors, temperature sensors and voltage detection sensors. The oil pressure sensor is used for detecting that a pressure system in the main hydraulic station 5 breaks down, the temperature sensor is used for detecting the oil temperature of hydraulic oil, and the voltage detection sensor is used for detecting whether the voltage in the main hydraulic station 5 is normal. When the fault detection sensor detects that the main hydraulic station 5 has a corresponding fault, the fault detection sensor sends a feedback signal to the controller, the controller controls the main electromagnetic control valve and the auxiliary electromagnetic control valve 7 to perform corresponding actions, the auxiliary hydraulic station 6 supplies oil to the hydraulic cylinder, and the hydraulic cylinder is driven to continuously work, so that a better emergency protection effect can be achieved on the hydraulic cylinder driving system.
As a preferred embodiment, the auxiliary hydraulic station 6 is further provided with a backup power supply, so that when the main hydraulic station fails due to power failure, the auxiliary hydraulic station 6 can be maintained to work normally through the backup power supply, and the normal operation of the hydraulic cylinder driving system is further ensured.
Dead situation of card can appear sometimes in the piston rod 2 of pneumatic cylinder, can only carry out the pressure release and dismantle under this kind of condition, for convenient pressure release, can be provided with pressure release solenoid valve 8 on the pneumatic cylinder shell, pressure release solenoid valve 8 is connected with the controller, pressure release solenoid valve 8 passes through oil pipe and main hydraulic pressure station 5's oil tank connection, can directly flow into the oil tank with the hydraulic oil in the pneumatic cylinder 1 like this in, can realize the quick pressure release of pneumatic cylinder like this, packing hydraulic cylinder's safe in utilization. In order to prevent the cylinder housing from being damaged by large impact generated during pressure relief, a cushion pad may be provided at the inner end of the piston rod.
This headstock gear pneumatic cylinder actuating system with emergency protection device has set up an auxiliary hydraulic pressure station on original main hydraulic pressure station's basis, and this auxiliary hydraulic pressure station can regard as the reserve hydraulic pressure station of main hydraulic pressure station, and when main hydraulic pressure station broke down like this, when the circumstances such as pipeline harm, outage appear, accessible controller plays emergency protection effect with auxiliary hydraulic pressure station direct access to the actuating system of pneumatic cylinder in, maintains pneumatic cylinder actuating system's normal operating.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides an headstock gear pneumatic cylinder actuating system with emergency protection device, includes the pneumatic cylinder, be equipped with at least one oil inlet and at least one oil return opening on the shell of pneumatic cylinder, but be equipped with linear movement's piston rod in the pneumatic cylinder, oil inlet, oil return opening pass through the pipeline and are connected with main hydraulic pressure station, be provided with main electromagnetic control valve on the pipeline, its characterized in that, it still includes an auxiliary hydraulic pressure station, auxiliary hydraulic pressure station pass through the pipeline with oil inlet, oil-out are connected, be provided with auxiliary electromagnetic control valve on the pipeline, main electromagnetic control valve, auxiliary electromagnetic control valve all are connected with a controller, be equipped with at least one fault detection sensor in the main hydraulic pressure station, fault detection sensor is used for detecting whether main hydraulic pressure station breaks down.
2. The hoist cylinder drive system with emergency protection device of claim 1, wherein the fault detection sensor is an oil pressure sensor, a temperature sensor, a voltage detection sensor.
3. The hoist hydraulic cylinder drive system with emergency protection device of claim 1, wherein the auxiliary hydraulic station is provided with a backup power source.
4. The hoist hydraulic cylinder driving system with the emergency protection device according to claim 1, wherein the hydraulic cylinder housing is further provided with at least one pressure relief solenoid valve, the pressure relief solenoid valve is connected to the controller, and the pressure relief solenoid valve is connected to an oil tank of the main hydraulic station through an oil pipe.
5. The hoist cylinder drive system with emergency protection of claim 1, wherein the inner end of the piston rod is provided with a cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091339.3U CN217207066U (en) | 2022-05-07 | 2022-05-07 | Hoist hydraulic cylinder driving system with emergency protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091339.3U CN217207066U (en) | 2022-05-07 | 2022-05-07 | Hoist hydraulic cylinder driving system with emergency protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207066U true CN217207066U (en) | 2022-08-16 |
Family
ID=82778148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221091339.3U Active CN217207066U (en) | 2022-05-07 | 2022-05-07 | Hoist hydraulic cylinder driving system with emergency protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217207066U (en) |
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2022
- 2022-05-07 CN CN202221091339.3U patent/CN217207066U/en active Active
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