CN216478087U - Hydraulic control system for flap valve hoist - Google Patents
Hydraulic control system for flap valve hoist Download PDFInfo
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- CN216478087U CN216478087U CN202123097433.8U CN202123097433U CN216478087U CN 216478087 U CN216478087 U CN 216478087U CN 202123097433 U CN202123097433 U CN 202123097433U CN 216478087 U CN216478087 U CN 216478087U
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Abstract
The utility model relates to a hydraulic control system for a flap valve hoist, including the pneumatic cylinder, the pole chamber of pneumatic cylinder is connected to the oil tank through first pipeline, it has the oil supplementing check valve to establish ties on the first pipeline, the pole chamber of pneumatic cylinder is connected to the oil tank through second pipeline and the check valve that sets gradually on the second pipeline, be used for controlling second pipeline and open, disconnected switching-over valve and hydraulic pump, the pole chamber of pneumatic cylinder is connected to the oil tank through the third pipeline, be equipped with liquid accuse check-in valve group on the third pipeline; this novel hydraulic control system can enough satisfy the quick door of clapping the door requirement of closing and can realize again that the water pump plays pump forced draft and will clap the door and when dashing passively the hoist and close the oil cylinder has the pole chamber follow-up to mend oil and avoid producing great vacuum, causes the damage to equipment.
Description
Technical Field
The utility model relates to a headstock gear technical field, concretely relates to hydraulic control system for headstock gear claps.
Background
When a water pump of a high-water-head drainage pumping station is stopped, the outlet of the water pump needs to be cut off rapidly so as to prevent the water pump from reversely rotating to damage a unit.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is through a hydraulic control system for the overhead hoist that claps a door, this novel hydraulic control system can enough satisfy the quick door of clapping and close the requirement and can realize again that the water pump plays pump high pressure rivers and will clap the door and passively towards the time-up hoist oil cylinder has the pole chamber follow-up to mend oil and avoid producing great vacuum, causes the damage to equipment. For solving the technical problem, the utility model provides a pair of hydraulic control system for overhead hoist claps, the hydraulic pressure adjusting device comprises a hydraulic cylinder, the pole chamber that has of pneumatic cylinder is connected to the oil tank through first tube coupling, it has the oil supplementing check valve to establish ties on the first pipeline, the pole chamber that has of pneumatic cylinder is through the second pipeline and set gradually the check valve on the second pipeline, be used for controlling second pipeline and lead to, disconnected switching-over valve and hydraulic pump connection to oil tank, the pole chamber that has of pneumatic cylinder is connected to the oil tank through the third tube coupling, be equipped with the one-way cartridge valves of liquid accuse on the third pipeline.
Furthermore, a rodless cavity of the hydraulic cylinder is communicated with an oil supplementing tank through a pipeline, and an air filter penetrates through the top of the oil supplementing tank; the use of an air filter prevents impurities from entering the rodless chamber of the hydraulic cylinder.
Further, the reversing valve is a two-position four-way electromagnetic reversing valve; the two-position four-way electromagnetic directional valve can flexibly and reliably control the on-off of an oil way.
Furthermore, a speed regulating valve is connected in series on a pipeline between the one-way valve and a rod cavity of the hydraulic cylinder; the flap valve is more stable when being opened.
Furthermore, a pipeline connected with the rod cavity of the hydraulic cylinder or the hydraulic cylinder is provided with a pressure sensor, the pressure sensor is used for measuring the oil pressure in the rod cavity of the hydraulic cylinder, and the pressure sensor is electrically connected with the controller; the controller can realize the automatic control of the system after receiving the pressure signal.
The utility model has the advantages that: the cut-off speed of the flat gate is far lower than that of the flap valve, so that the flap valve opening and closing machine can meet the requirement of rapid cut-off; when the flap valve is opened quickly, oil in the oil tank flows through the hydraulic pump, the reversing valve and the one-way valve in sequence and then enters a rod cavity of the hydraulic cylinder, and a piston rod of the hydraulic cylinder moves upwards and drives the flap valve to open; when the flap valve is quickly closed, oil in a rod cavity of the hydraulic cylinder flows through the hydraulic control one-way plug-in valve group and then enters an oil tank; when a water pump of the drainage pumping station is started, the flap valve is flushed and opened by strong pressure water flow at the water outlet of the drainage pumping station, the flap valve hoist is not started to work at the moment, and the flap valve drives the piston rod of the hydraulic cylinder to move upwards when opened, so that air pockets are generated in the rod cavity of the hydraulic cylinder; this novel hydraulic control system can enough satisfy the quick door of clapping the door requirement of closing and can realize again that the water pump plays pump forced draft and will clap the door and when dashing passively the hoist and close the oil cylinder has the pole chamber follow-up to mend oil and avoid producing great vacuum, causes the damage to equipment.
Drawings
In order to clarify the explanation of the innovative principles of the invention and its advantages compared with the known hydraulic control systems, a possible embodiment is explained below by way of a non-limiting example applying said principles with the aid of the annexed drawings. In the figure:
fig. 1 is a schematic diagram of a hydraulic control system for a flap gate hoist of the present invention;
fig. 2 is a schematic view of a flapper door opener employing the hydraulic control system of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the present embodiment are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific circumstances.
Example 1
As shown in fig. 1, the hydraulic control system for the flap valve hoist of this embodiment includes a hydraulic cylinder 1, a rod cavity 2 of the hydraulic cylinder 1 is connected to an oil tank 6 through a first pipeline 3, an oil supplementing check valve 7 is connected in series to the first pipeline 3, the rod cavity 2 of the hydraulic cylinder 1 is connected to the oil tank 6 through a second pipeline 4, a check valve 8, a reversing valve 9 and a hydraulic pump 10, which are sequentially arranged on the second pipeline 4, the second pipeline 4 is controlled to be opened and closed, the rod cavity 2 of the hydraulic cylinder 1 is connected to the oil tank 6 through a third pipeline 5, and a hydraulic control one-way valve cartridge 13 is arranged on the third pipeline 5.
The rodless cavity 11 of the hydraulic cylinder 1 is communicated with an oil supplementing tank 12 through a pipeline, and an air filter 14 penetrates through the top of the oil supplementing tank 12.
Preferably, the reversing valve 9 is a two-position four-way electromagnetic reversing valve; the directional valve 9 can also be a two-position two-way directional valve.
And a speed regulating valve 15 is connected in series on a pipeline between the check valve 8 and the rod cavity 2 of the hydraulic cylinder 1.
And a pipeline connected with the rod cavity 2 of the hydraulic cylinder 1 or the hydraulic cylinder 1 is provided with a pressure sensor 16, the pressure sensor 16 is used for measuring the oil pressure in the rod cavity 2 of the hydraulic cylinder 1, and the pressure sensor 16 is electrically connected with the controller.
The cut-off speed of the flat gate is far lower than that of the flap valve, so that the flap valve opening and closing machine can meet the requirement of rapid cut-off; when the flap valve is opened quickly, oil in the oil tank 6 sequentially flows through the hydraulic pump 10, the reversing valve 9 and the one-way valve 8 and then enters the rod cavity 2 of the hydraulic cylinder 1, and a piston rod of the hydraulic cylinder 1 moves upwards to drive the flap valve P to open; when the flap valve is quickly closed, oil in the rod cavity 2 of the hydraulic cylinder 1 flows through the hydraulic control one-way cartridge valve group 13 and then enters the oil tank 6; when a water pump of the drainage pump station is started, the flap valve P is flushed and opened by strong pressure water flow at the water outlet of the drainage pump station, the flap valve hoist is not started to work at the moment, and the flap valve P drives the piston rod of the hydraulic cylinder 1 to move upwards when opened, so that air pockets are generated in the rod cavity 2 of the hydraulic cylinder 1, and at the moment, oil in the oil tank 6 flows through the oil supplementing one-way valve 7 and enters the rod cavity 2 of the hydraulic cylinder 1 to supplement the air pockets, so that damage to a sealing piece of the hydraulic cylinder 1 due to the generation of the air pockets is avoided, and the service life of the hydraulic cylinder 1 is prolonged; the hydraulic control system of the embodiment can meet the requirement of quick door closing of the flap valve and can realize follow-up oil supplementation of the rod cavity of the oil cylinder of the hoist when the flap valve is passively flushed by pumping strong water flow of the water pump, so that the great vacuum degree is avoided and the equipment is damaged.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a flap valve hydraulic control system for headstock gear, includes pneumatic cylinder (1), its characterized in that: the utility model discloses a hydraulic cylinder, including pneumatic cylinder (1), first pipeline (3), second pipeline (4), first pipeline (3) are connected to oil tank (6), it has oil supplementing check valve (7) to establish ties on first pipeline (3), pneumatic cylinder (1) have pole chamber (2) through second pipeline (4) and set gradually check valve (8) on second pipeline (4), be used for controlling second pipeline (4) to pass through, disconnected switching-over valve (9), and hydraulic pump (10) are connected to oil tank (6), pneumatic cylinder (1) have pole chamber (2) to be connected to oil tank (6) through third pipeline (5), be equipped with one-way cartridge valve group of hydraulic control (13) on third pipeline (5).
2. The hydraulic control system of claim 1, wherein: a rodless cavity (11) of the hydraulic cylinder (1) is communicated with an oil supplementing tank (12) through a pipeline, and an air filter (14) penetrates through the top of the oil supplementing tank (12).
3. The hydraulic control system of claim 1, wherein: the reversing valve (9) is a two-position four-way electromagnetic reversing valve.
4. The hydraulic control system of claim 1, wherein: and a speed regulating valve (15) is connected in series on a pipeline between the check valve (8) and the rod cavity (2) of the hydraulic cylinder (1).
5. The hydraulic control system of claim 1, wherein: and a pipeline connected with the rod cavity (2) of the hydraulic cylinder (1) or the hydraulic cylinder (1) is provided with a pressure sensor (16), the pressure sensor (16) is used for measuring the oil pressure in the rod cavity (2) of the hydraulic cylinder (1), and the pressure sensor (16) is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123097433.8U CN216478087U (en) | 2021-12-10 | 2021-12-10 | Hydraulic control system for flap valve hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123097433.8U CN216478087U (en) | 2021-12-10 | 2021-12-10 | Hydraulic control system for flap valve hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478087U true CN216478087U (en) | 2022-05-10 |
Family
ID=81422475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123097433.8U Active CN216478087U (en) | 2021-12-10 | 2021-12-10 | Hydraulic control system for flap valve hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478087U (en) |
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2021
- 2021-12-10 CN CN202123097433.8U patent/CN216478087U/en active Active
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