CN217401313U - Flap valve control device - Google Patents

Abstract

The utility model discloses a flap valve control device, the device includes: a frame; an electric motor; the hydraulic control module comprises an emergency control valve, a control valve module, an oil tank and an oil cylinder, wherein the oil cylinder comprises a cylinder body and a piston rod, the cylinder body is arranged on the rack, the piston rod is used for moving up and down along the cylinder body, and the oil tank is connected with the oil cylinder through the control valve module and the emergency control valve; the pulley block module comprises a jacking pulley block, a multiplying power pulley block, a steel wire rope and a rigging, the jacking pulley block is arranged at one end of the top of the oil cylinder, the multiplying power pulley block is arranged on the rack, and the steel wire rope is sleeved on the jacking pulley block or the multiplying power pulley block or the rack through a rigging ring after surrounding the jacking pulley block and the multiplying power pulley block; and the controller is electrically connected with the pulley block module, the emergency control valve, the control valve module and the motor respectively. Through the design, the flap valve can play a role in buffering when being closed, so that the impact on the flap valve and a hydraulic structure is reduced.

Description

Flap valve control device

Technical Field

The utility model relates to a clap door technical field, in particular to clap door control device.

Background

The pump station straight pipe type water outlet flow channel cutoff mode mainly adopts a flap valve and a quick gate, wherein the flap valve is widely applied. In the related technology, the flap valve is mainly installed at the outlet of a drainage pipe at the edge of a river, when the external water level is higher than the opening of the drainage pipe and the pressure is higher than the pressure in the drainage pipe, the flap valve is closed to prevent external water from flowing backwards, and when the external water level is lower than the opening of the drainage pipe and the pressure in the drainage pipe is higher than the external pressure, the flap valve is opened to drain water. The flap valve is closed by gravity and the impact force of the reverse water flow, and a large impact force can be applied in the process, so that the flap valve and the hydraulic structure are adversely affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a flap valve controlling means can play the cushioning effect when the flap valve is closed to reduce the impact to flap valve itself and hydraulic structure, and under emergency, can also realize the protection of cutting off fast.

According to the utility model discloses flap valve controlling means, include:

a frame;

an electric motor;

the hydraulic control module comprises an emergency control valve, a control valve module, an oil tank and an oil cylinder, the oil cylinder comprises a cylinder body and a piston rod, the cylinder body is arranged on the rack, the piston rod is used for moving up and down along the cylinder body, and the oil tank is connected with the oil cylinder through the control valve module and the emergency control valve;

the pulley block module comprises a jacking pulley block, a multiplying power pulley block, a steel wire rope and a rigging, wherein the jacking pulley block is arranged at one end of the top of the oil cylinder and can move correspondingly along with the telescopic motion of the piston rod, the multiplying power pulley block is arranged on the rack, and the steel wire rope is sleeved on the jacking pulley block or the multiplying power pulley block or the rack through the rigging ring after surrounding the jacking pulley block and the multiplying power pulley block;

and the controller is electrically connected with the pulley block module, the emergency control valve, the control valve module and the motor respectively.

According to the utility model discloses flap valve controlling means has following technological effect at least: the device comprises a rack, a motor, a hydraulic control module, a pulley block module and a controller, wherein the hydraulic control module comprises an emergency control valve, a control valve module, an oil tank and an oil cylinder; when the flap valve is closed, the motor is started to enable the oil tank to provide oil for the oil cylinder, the controller controls the oil circulation through the control valve module, so that oil is supplied to the device, and the emergency control valve can be manually operated to realize rapid cut-off protection in emergency; the pulley block module comprises a jacking pulley block, a multiplying power pulley block, a steel wire rope and a rigging, wherein the jacking pulley block is arranged at one end of the top of the oil cylinder and can move correspondingly along with the telescopic motion of the piston rod, the multiplying power pulley block is arranged on the rack, the steel wire rope is sleeved on the jacking pulley block or the multiplying power pulley block or the rack through the rigging ring after surrounding the jacking pulley block and the multiplying power pulley block, and the pulley block module can provide various acting forces when the flap valve is closed, so that a buffering effect is achieved, and the impact on the flap valve and a hydraulic structure is reduced.

According to the utility model discloses flap valve controlling means, the assembly pulley module still includes the steering pulley group, the steering pulley group set up in the below of frame, the steering pulley group passes through wire rope with the jacking assembly pulley is connected.

According to the utility model discloses flap valve controlling means, the assembly pulley module still includes the balanced assembly pulley, the balanced assembly pulley passes through wire rope with turn to the assembly pulley perhaps the jacking assembly pulley is connected.

According to the flap valve control device of the embodiment of the utility model, the control valve module comprises an overflow valve, an electromagnetic directional valve, a one-way throttle valve, a filter screen, a motor, an oil pump, a first cartridge valve and a second cartridge valve, a first oil port of the electromagnetic directional valve is connected with the oil tank through the overflow valve, a second oil port of the electromagnetic directional valve is respectively connected with the oil tank and a first port of the second cartridge valve, a second port of the second cartridge valve is connected with the oil cylinder through the throttle valve, a third port of the electromagnetic directional valve is connected with the oil cylinder through the one-way throttle valve and the first cartridge valve, the fourth oil port of the electromagnetic directional valve is connected with the oil cylinder, the oil pump is respectively connected with the first port of the filter screen, the motor and the first oil port of the electromagnetic directional valve, and the second port of the filter screen is connected with the oil tank.

According to the utility model discloses flap valve control device still includes the stroke control module, the stroke control module includes stroke sensor and support frame, the support frame with hydro-cylinder fixed connection, stroke sensor has a plurality ofly, and is a plurality of stroke sensor all set up in on the support frame, stroke sensor with the piston rod is connected.

According to the utility model discloses flap valve controlling means, still including the defeated oil pipe of pole chamber and the defeated oil pipe of rodless chamber, the defeated oil pipe of rodless chamber one end of having the pole chamber pass through rodless chamber defeated oil pipe with the emergency control valve is connected, the defeated oil pipe of pole chamber the other end with the hydro-cylinder is connected.

According to the utility model discloses flap valve controlling means, the control valve module still includes first stop valve and second stop valve, the first port of first stop valve with the oil tank is connected, the first port of second stop valve respectively with the second port of first stop valve with first cartridge valve is connected, the second port of second stop valve with the hydro-cylinder is connected.

According to the utility model discloses flap valve controlling means, the control valve module still includes the level gauge, the level gauge with the oil tank is connected.

According to the utility model discloses flap valve controlling means, the control valve module still includes the check valve, the check valve set up in the first hydraulic fluid port of solenoid directional valve with between the oil pump.

According to the utility model discloses flap valve controlling means, the control valve module still includes the manometer, the manometer respectively with the check valve overflow valve with oil pump connection.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a flap valve control device according to an embodiment of the present invention;

fig. 2 is a right side view of a flap valve control device according to an embodiment of the present invention;

fig. 3 is a top view of a flap valve control device according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a pulley block of a flap valve control device according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a hydraulic control module of the flap valve control device according to an embodiment of the present invention.

Reference numerals are as follows:

a frame 110, a motor 120, an electric cabinet 140, a rod cavity oil delivery pipe 150, a rodless cavity oil delivery pipe 160,

A stroke control module 180, a stroke sensor 181, a supporting frame 182,

The hydraulic control module 130, the emergency control valve 131, the oil tank 132, the oil cylinder 133, the cylinder body 1331, the piston rod 1332, the oil cylinder support rod 1333, the control valve module 134, the electromagnetic directional valve 1341, the one-way throttle valve 1342, the oil pump 1343, the filter screen 1344, the liquid level meter 1345, the pressure gauge 1346, the one-way valve 1347, the overflow valve 1348, the throttle valve 1349, the hydraulic control module 1343, the hydraulic control module,

The device comprises a pulley block module 190, a steering pulley block 191, a jacking pulley block 192, a multiplying power pulley block 193, a balance pulley block 194 and a steel wire rope 195.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 4, a flap valve control apparatus according to an embodiment of the present invention includes: the hydraulic control module 130 comprises an emergency control valve 131, a control valve module 134, an oil tank 132 and an oil cylinder 133, the oil cylinder 133 comprises a cylinder body 1331 and a piston rod 1332, the cylinder body 1331 is arranged on the frame 110, the piston rod 1332 is used for moving up and down along the cylinder body 1331, and the oil tank 132 is connected with the oil cylinder 133 through the control valve module 134 and the emergency control valve 131; when the flap valve is closed, the motor 120 is started to enable the oil tank 132 to supply oil to the oil cylinder 133, the controller controls the oil to flow through the control valve module 134 so as to supply oil to the device, and the emergency control valve 131 can be manually operated to realize rapid cut-off protection in an emergency; the pulley block module 190 comprises a jacking pulley block 192, a multiplying power pulley block 193, a steel wire rope 195 and a rigging, the jacking pulley block 192 is arranged at one end of the top of the oil cylinder 133 and can move correspondingly along with the telescopic movement of the piston rod 1332, the multiplying power pulley block 193 is arranged on the rack 110, the steel wire rope 195 surrounds the jacking pulley block 192 and the multiplying power pulley block 193 and then is sleeved on the jacking pulley block 192 or the multiplying power pulley block 193 or the rack 110 through the rigging in a sleeved mode, the pulley block module 190 can provide various acting forces when the flap door is closed, a buffering effect is achieved, and therefore impact on the flap door and a hydraulic structure is reduced.

It should be noted that, when the wire cable 195 is looped around the jacking pulley block 192 and the multiplying pulley block 193 and then looped around the jacking pulley block 192 by a rigging, 3 times of acting force can be provided to play a role of buffering; when the wire cable 195 is looped around the multiplying pulley block 193 or the frame 110 after encircling the jacking pulley block 192 and the multiplying pulley block 193, 4 times of acting force can be provided, so that the buffering effect is achieved, and the impact on the flap door and the hydraulic structure is reduced.

Referring to fig. 1 to 4, the pulley set module 190 further includes a turning pulley block 191, the turning pulley block 191 is disposed below the frame 110, the turning pulley block 191 is connected to the lifting pulley block 192 through a wire cable 195, and the wire cable 195 passes through the turning pulley block 191 to change the direction of the applied force.

Referring to fig. 1 to 4, the pulley set module 190 further includes a balance pulley block 194, and the balance pulley block 194 is connected to the steering pulley block 191 or the jacking pulley block 192 through a wire cable 195. When the balance pulley block 194 is connected with the jacking pulley block 192 through the steel wire rope 195, 3 times of acting force is provided, and a buffering effect is achieved; when the balance pulley block 194 is connected with the steering pulley block 191 through the wire rope 195, the direction of the acting force exerted by the wire rope 195 can be changed through the steering pulley block 191, and in addition, the balance pulley block 194 can realize synchronous bearing and balanced bearing of the acting force from the wire rope 195 borne by the jacking pulley block 192 and the multiplying pulley block 193.

Referring to fig. 5, the control valve module 134 includes an overflow valve 1348, an electromagnetic directional valve 1341, a one-way throttle valve 1342, a throttle valve 1349, a filter screen 1344, a motor 120, an oil pump 1343, a first cartridge valve YV3 and a second cartridge valve YV4, a first port P of the electromagnetic directional valve 1341 is connected to the oil tank 132 through the overflow valve 1348, a second port T of the electromagnetic directional valve 1341 is connected to first ports of the oil tank 132 and the second cartridge valve YV4, a second port of the second cartridge valve YV4 is connected to the oil cylinder 133 through the throttle valve 1349, a third port a of the electromagnetic directional valve 1341 is connected to the oil cylinder 134133 through the one-way throttle valve 1342 and the first cartridge valve YV3, a fourth port B of the electromagnetic directional valve 1 is connected to the oil cylinder 133, the oil pump 1343 is connected to the first port of the filter screen 1344, the motor 120 and the first port P of the electromagnetic directional valve 1341, and a second port of the filter screen 1344 is connected to the oil tank 132.

It can be understood that when the flap valve is closed, the motor 120 drives the oil pump 1343 to suck oil from the oil tank 132, and the oil is purified by the filter screen 1344 to obtain pure oil, which is beneficial to the efficient operation of the device. The oil pump 1343 is connected with an overflow valve 1348, and the overflow valve 1348 plays a role in safety protection, so that the system is ensured not to have accidents due to overhigh pressure. The purified oil is conveyed to an electromagnetic directional valve 1341 through an oil pump 1343, the oil enters through a first oil port P of the electromagnetic directional valve 1341, exits from a third oil port a of the electromagnetic directional valve 1341, passes through a one-way throttle valve 1342, flows through a first cartridge valve YV3, and is finally conveyed to an oil cylinder 133, the oil can also pass through a first cartridge valve YV3, flows through the one-way throttle valve 1342, and is finally conveyed to the oil cylinder 133, the one-way throttle valve 1342 is used for throttling, the first cartridge valve YV3 is used for controlling the connection of oil flow paths, and the oil can provide sufficient oil quantity, so that sufficient power is provided for the pulley block module 190, and the impact on the flap valve and hydraulic buildings is reduced; oil can also enter through the second oil port T of the electromagnetic directional valve 1341 and exit through the fourth oil port B of the electromagnetic directional valve 1341 to be conveyed to the oil cylinder 133, so that sufficient power is provided for the pulley block module 190, and the impact on the flap valve and the hydraulic structure is reduced. The design can be controlled according to the flow of the oil liquid under the actual condition. The fourth port B of the solenoid reversing valve 1341 is connected to the second cartridge valve YV4, and the second cartridge valve YV4 is kept energized to keep the flap valve operating.

It should be noted that the electromagnetic directional valve 1341 is a three-position four-way valve, which has three working positions and four oil ports, and is located at the middle position when in the natural position; the first cartridge valve YV3 and the second cartridge valve YV4 are cartridge valves, the flow rate of the cartridge valves can reach 1000L/min, the drift diameter can reach 200-250 mm, the valve core is simple in structure, sensitive in action and good in sealing performance, the on-off of a liquid path is mainly realized, and the cartridge valves can be replaced by the combination of an electromagnetic reversing valve 1341 and a one-way valve 1347; the first oil port P, the second oil port T, the third oil port A and the fourth oil port B are interfaces and are used for connecting the electromagnetic steering valve with other components; the first port and the second port are interfaces for connecting the second cartridge valve YV4 and the screen 1344 to other components; the overflow valve 1348 may be an insert plate type DBD type direct-acting overflow valve; the throttle valve 1349 may be a DVP-type throttle stop valve; the one-way throttle valve 1342 may be a DVRP type one-way throttle cut-off valve.

Referring to fig. 1 to 3, the flap valve control device further includes a stroke control module 130, the stroke control module 130 includes a stroke sensor 181 and a supporting frame 182, the supporting frame 182 is fixedly connected to the oil cylinder 133, the supporting frame 182 can be used as a stressed carrier of the stroke sensor 181, the stroke sensor 181 has a plurality of stroke sensors 181, the stroke sensors 181 can be disposed on the supporting frame 182 at the same preset distance, or disposed on the supporting frame 182 at different distances, and the stroke sensor 181 is connected to the piston rod 1332, and can detect the moving position of the piston rod 1332 in real time.

Referring to fig. 1 to 3, the flap valve control apparatus further includes a rod chamber oil delivery pipe 150 and a rodless chamber oil delivery pipe 160, one end of the rod chamber oil delivery pipe 150 is connected to the emergency control valve 131 through the rodless chamber oil delivery pipe 160, the other end of the rod chamber oil delivery pipe 150 is connected to the oil cylinder 133, and oil is delivered through the rod chamber oil delivery pipe 150 and the rodless chamber oil delivery pipe 160.

Referring to fig. 5, the control valve module 134 further includes a first cut-off valve JZ1 and a second cut-off valve JZ2, a first port of the first cut-off valve JZ1 is connected to the oil tank 132, a first port of the second cut-off valve JZ2 is connected to a second port of the first cut-off valve JZ1 and the first cartridge valve YV3, respectively, and a second port of the second cut-off valve JZ2 is connected to the oil cylinder 133. The first and second cutoff valves JZ1 and JZ2 are opened when the emergency control valve 131 operates, and rapid cut-off protection can be achieved in an emergency state.

It should be noted that, the first stop valve JZ1 and the second stop valve JZ2 are both stop valves, the sealing pair of the stop valves is composed of a valve clack sealing surface and a valve seat sealing surface, the valve rod drives the valve clack to move vertically along the central line of the valve seat, the opening height of the stop valves in the opening and closing process is small, the flow is easy to adjust, the manufacture and maintenance are convenient, the pressure application range is wide, and the first stop valve JZ1 and the second stop valve JZ2 can be horizontal plate type high-pressure stop valves; the first port and the second port are interfaces for connecting the first cut-off valve JZ1 and the second cut-off valve JZ2 with other components.

Referring to fig. 5, the control valve module 134 further includes a liquid level meter 1345, the liquid level meter 1345 is connected to the oil tank 132, and the liquid level meter 1345 can detect the remaining oil amount in the oil tank 132, and when the oil amount is insufficient, the control valve module has a reminding function and can supplement the oil amount in time.

Referring to fig. 5, the control valve module 134 further includes a check valve 1347, the check valve 1347 is disposed between the first oil port P of the electromagnetic directional valve 1341 and the oil pump 1343, the check valve 1347 controls the oil to flow in a single direction to avoid backflow, and the check valve 1347 may be an S-shaped plate check valve.

Referring to fig. 5, the control valve module 134 further includes a pressure gauge 1346, the pressure gauge 1346 is respectively connected to the check valve 1347, the overflow valve 1348 and the oil pump 1343, and the pressure gauge 1346 can adjust the working pressure to a reasonable value, so that the oil pump 1343 works normally, thereby avoiding accidents.

In an embodiment, the flap valve control device further includes an electric cabinet 140, the electric cabinet 140 is disposed on the rack 110, the controller is disposed in the electric cabinet 140, and the controller is a programmable controller capable of performing array operations to control various types of mechanical devices or production processes, and the application range is wide.

In an embodiment, the flap valve control apparatus further includes a cylinder support rod 1333, the cylinder support rod 1333 is disposed at both sides of the cylinder 133, one end of the cylinder support rod 1333 is connected to the frame 110, the other end of the cylinder support rod 1333 is connected to the cylinder 133, and the support frame 182 is disposed above the cylinder support rod 1333. The cylinder support rod 1333 can fix the cylinder 133 on the frame 110, so as to avoid shaking and influence the closing or opening of the flap valve.

The operation of the flap valve control device will be described below with reference to the following table.

Where + means on or active, -means off or inactive

Exemplary, pressure regulation conditions are specifically described as: in the initial state, the piston rod 1332 is positioned at the bottom of the oil cylinder 133, the power button of the electric cabinet 140 is switched on, the first solenoid YV1 of the electromagnetic directional valve 1341 is switched on, the second solenoid YV2 of the electromagnetic directional valve 1341 is not switched on, the stroke sensor 181 is not operated, the first cartridge valve YV3 and the second cartridge valve YV4 are both switched on, and the first stop valve JZ1 and the second stop valve JZ2 are not switched on. When adjustment is performed, the motor 120 is started, the motor 120 is controlled to drive the oil pump 1343 to suck oil, the oil is filtered by the filter screen 1344 to obtain pure oil, then the oil pump 1343 outputs pressure oil, the overflow valve 1348 is adjusted to 10MPa, and pressure adjustment can also be performed for other numbers, and after adjustment is completed, the first electromagnet YV1, the first cartridge valve YV3, the second cartridge valve YV4 and the motor of the electromagnetic directional valve 1341 are all closed.

The opening working condition of the flap valve is described in detail as follows: in an initial state, the piston rod 1332 is positioned at the bottom of the oil cylinder 133, the power button of the electric cabinet 140 is switched on, the first electromagnet YV1 of the electromagnetic directional valve 1341 is not switched on, the second electromagnet YV2 of the electromagnetic directional valve 1341 is switched on, the stroke sensor 181 is operated, the first cartridge valve YV3 and the second cartridge valve YV4 are both switched on, and the first stop valve JZ1 and the second stop valve JZ2 are not switched on. The motor 120 is turned on, the motor 120 is controlled to drive the oil pump 1343 to suck oil, the oil is filtered by the filter screen 1344 to obtain pure oil, then the oil pump 1343 outputs pressure oil, the oil is conveyed to the oil return tank 132 through the second oil port T of the electromagnetic directional valve 1341, the piston rod 1332 moves upwards to drive the pulley block to move, the stroke sensor 181 detects the moving position of the piston rod 1332, and the first cartridge valve YV3 and the second cartridge valve YV4 are both connected to convey the oil to the oil return tank 132. When the flap valve is opened and maintained, in an initial state, the piston rod 1332 is positioned at the top of the oil cylinder 133, a power button of the electric cabinet 140 is switched on, the first electromagnet YV1 of the electromagnetic directional valve 1341 is not switched on, the second electromagnet YV2 of the electromagnetic directional valve 1341 is not switched on, the stroke sensor 181 is operated, the first cartridge valve YV3 and the second cartridge valve YV4 are both switched on, and neither the first stop valve JZ1 nor the second stop valve JZ2 is switched on. According to the opening of the flap valve, the oil is always sucked by the first cartridge valve YV3 and the second cartridge valve YV4, the flap valve is opened and kept, and meanwhile, the stroke sensor 181 is kept opened all the time for monitoring the opening state of the flap valve; in addition, when the flap valve is in an open state for a long time, the flap valve can sink due to normal internal leakage of hydraulic pressure, at the moment, the stroke sensor 181 is arranged and reconnected according to the preset sinking amount of the flap valve, the flap valve opening maintaining process is repeated, and resetting and rising of the flap valve are achieved.

The closing working condition of the flap valve is described in detail as follows: in the initial state, the piston rod 1332 is positioned at the top of the oil cylinder 133, the power button of the electric cabinet 140 is switched on, the first solenoid YV1 of the electromagnetic directional valve 1341 is switched on, the second solenoid YV2 of the electromagnetic directional valve 1341 is not switched on, the stroke sensor 181 is operated, the first cartridge valve YV3 and the second cartridge valve YV4 are not switched on, and the first stop valve JZ1 and the second stop valve JZ2 are not switched on. When the motor 120 is started, the motor 120 is controlled to drive the oil pump 1343 to suck oil, the oil is filtered by the filter screen 1344 to obtain pure oil, when the second stage of closing is reached, the first stop valve JZ1 is connected, the second stop valve JZ2 is not connected, the oil is conveyed into the oil cylinder 133 through the first oil port P of the electromagnetic directional valve 1341 and the first cartridge valve YV3, the piston rod 1332 descends under the action of gravity, the flap valve is closed, the stroke sensor 181 detects that the piston rod 1332 reaches a specified position, the motor 120 is closed, the first electromagnet YV1 of the electromagnetic directional valve 1341 is not connected and the first stop valve JZ1 is not connected, and the flap valve is completely closed.

The manual emergency shutdown condition is described in detail as follows: in the initial state, the flap valve is in an open state; the power button of the electric control box 140 is connected, the first electromagnet YV1 of the electromagnetic directional valve 1341 is not connected, the second electromagnet YV2 of the electromagnetic directional valve 1341 is not connected, the stroke sensor 181 is not operated, the first cartridge valve YV3 and the second cartridge valve YV4 are not connected, and the first stop valve JZ1 and the second stop valve JZ2 are both connected. When an emergency occurs, the first stop valve JZ1 and the second stop valve JZ2 are both connected, and rapid cut-off protection is realized.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A flap valve control apparatus, comprising:

a frame;

an electric motor;

the hydraulic control module comprises an emergency control valve, a control valve module, an oil tank and an oil cylinder, the oil cylinder comprises a cylinder body and a piston rod, the cylinder body is arranged on the rack, the piston rod is used for moving up and down along the cylinder body, and the oil tank is connected with the oil cylinder through the control valve module and the emergency control valve;

the pulley block module comprises a jacking pulley block, a multiplying power pulley block, a steel wire rope and a rigging, the jacking pulley block is arranged at one end of the top of the oil cylinder and can move correspondingly along with the telescopic motion of the piston rod, the multiplying power pulley block is arranged on the rack, and the steel wire rope surrounds the jacking pulley block and the multiplying power pulley block and then is sleeved on the jacking pulley block or the multiplying power pulley block or the rack through the rigging ring;

and the controller is electrically connected with the pulley block module, the emergency control valve, the control valve module and the motor respectively.

2. The flap valve control device according to claim 1, wherein the pulley set module further comprises a steering pulley block disposed below the frame, the steering pulley block being connected to the jacking pulley block through the wire rope.

3. The flap valve control device according to claim 2, wherein the pulley block module further comprises a balancing pulley block connected with the steering pulley block or the jacking pulley block through the wire rope.

4. The flap valve control device according to claim 1, 2 or 3, wherein the control valve module comprises an overflow valve, a solenoid directional valve, a one-way throttle valve, a filter screen, a motor, an oil pump, a first cartridge valve and a second cartridge valve, a first oil port of the solenoid directional valve is connected with the oil tank through the overflow valve, a second oil port of the solenoid directional valve is connected with the first ports of the oil tank and the second cartridge valve respectively, a second port of the second cartridge valve is connected with the oil cylinder through the throttle valve, a third oil port of the solenoid directional valve is connected with the oil cylinder through the one-way throttle valve and the first cartridge valve, a fourth oil port of the solenoid directional valve is connected with the oil cylinder, and the oil pump is connected with the first port of the filter screen, the motor and the first cartridge valve respectively, and a second port of the filter screen is connected with the oil tank.

5. The flap valve control device according to claim 1, 2 or 3, further comprising a stroke control module, wherein the stroke control module comprises a plurality of stroke sensors and a plurality of support frames, the support frames are fixedly connected with the oil cylinder, the plurality of stroke sensors are arranged on the support frames, and the stroke sensors are connected with the piston rod.

6. A flap valve control device according to claim 1, 2 or 3, further comprising a rod cavity oil delivery pipe and a rodless cavity oil delivery pipe, wherein one end of the rod cavity oil delivery pipe is connected to the emergency control valve through the rodless cavity oil delivery pipe, and the other end of the rod cavity oil delivery pipe is connected to the oil cylinder.

7. A flap valve control device according to claim 4, wherein said control valve module further comprises a first stop valve and a second stop valve, a first port of said first stop valve being connected to said tank, a first port of said second stop valve being connected to a second port of said first stop valve and said first cartridge valve, respectively, and a second port of said second stop valve being connected to said cylinder.

8. A flap valve control device according to claim 1, 2 or 3, characterized in that said control valve module further comprises a level gauge connected to said tank.

9. The flap valve control device according to claim 4, wherein the control valve module further comprises a check valve disposed between the first oil port of the electromagnetic directional valve and the oil pump.

10. A flap valve control device according to claim 9, wherein said control valve module further comprises a pressure gauge, said pressure gauge being connected to said check valve, said overflow valve and said oil pump, respectively.

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