CN210318581U - Double-gate hydraulic gate valve for land dredging - Google Patents
Double-gate hydraulic gate valve for land dredging Download PDFInfo
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- CN210318581U CN210318581U CN201920990118.1U CN201920990118U CN210318581U CN 210318581 U CN210318581 U CN 210318581U CN 201920990118 U CN201920990118 U CN 201920990118U CN 210318581 U CN210318581 U CN 210318581U
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Abstract
The utility model relates to a double-gate hydraulic gate valve for land dredging, which comprises a valve body, an upper valve box, a main oil cylinder, a main gate plate, a lower valve box, an auxiliary oil cylinder and an auxiliary gate plate; the upper and lower ends of the valve body are provided with rectangular grooves for the corresponding main and auxiliary flashboards to enter and exit; the lower end of the upper valve box is connected with the upper end of the valve body, the upper end of the upper valve box is provided with a main oil cylinder, a piston rod of the main oil cylinder penetrates into the upper valve box and is connected with a main flashboard, and the main flashboard penetrates through a rectangular groove in the upper end of the valve body and enters the valve body; the upper end of the lower valve box is connected with the lower end of the valve body, the upper end of the lower valve box is provided with two auxiliary oil cylinders which are respectively positioned at two sides of the valve body and are symmetrically arranged, piston rods of the two auxiliary oil cylinders penetrate into the lower valve box and are connected with two ends of a balancing rod, the middle of the balancing rod is connected with an auxiliary flashboard, and the auxiliary flashboard penetrates through a rectangular groove at the lower end of the valve body and enters the valve body; the main flashboard and the auxiliary flashboard can be singly moved or linked, so that the purpose of opening and closing the gate valve is achieved. The utility model discloses utilize the single action of double-gate board or the not dead phenomenon of flashboard floodgate is solved to the linkage mode.
Description
Technical Field
The utility model belongs to the technical field of dredge, especially relate to a double-disc hydraulic gate valve is dredged in land area.
Background
The hydraulic gate valve for land dredging is widely applied to dredging engineering, is arranged on a land pipeline and is mainly used for switching or stopping the flow direction of silt in a sludge discharge pipeline. The existing hydraulic gate valve for land area dredging adopts a single gate plate type, and the gate plate is lifted or lowered by one or two oil cylinders, but the following problems exist:
1. once stones or silt are accumulated in the valve body, the single gate plate cannot be completely sealed when closed, so that the phenomenon of gate immobility occurs, and silt leakage of the mud pipe is caused;
2. the flashboard stop blocks in the valve body can not completely support two sides of the flashboard, particularly the lower part of the flashboard is not supported, so that the lower part of the flashboard is stressed unevenly and deformed easily, and the flashboard can not smoothly enter and exit the rectangular groove of the valve body;
3. the gate plate of the gate valve with a partial structure type is sealed in the valve box, so that the specific position of the gate plate cannot be obtained, and the risk of separation of the gate plate and the valve body is not easy to avoid;
4. the replacement of the existing gate valve sealing member is time-consuming and labor-consuming, and the valve body needs to be disassembled and assembled.
Aiming at the problems, the hydraulic gate valve which is suitable for being used by a land mud discharge pipeline and has excellent performance is of great significance.
Disclosure of Invention
In order to solve the problem, the utility model provides a double-gate board hydraulic gate valve is dredged in land area, this hydraulic gate valve have solved the sealed not dead problem of tight floodgate of single-gate board, have realized double-gate board single action or linkage mode of operation, have also solved the comparatively loaded down with trivial details difficult problem of change sealing member simultaneously.
The utility model is realized in such a way, the hydraulic gate valve with double gate plates for land dredging comprises a valve body, an upper valve box, a main oil cylinder, a main gate plate, a lower valve box, an auxiliary oil cylinder and an auxiliary gate plate; rectangular grooves for the corresponding main flashboard and the corresponding auxiliary flashboard to enter and exit are formed in the upper end and the lower end of the valve body;
the lower end of the upper valve box is connected with the upper end of the valve body through a bolt, the upper end of the upper valve box is provided with a main oil cylinder through a flange, a piston rod of the main oil cylinder penetrates into the upper valve box and is connected with a main gate plate through an ear plate and a pin shaft, the main gate plate penetrates through a rectangular groove in the upper end of the valve body and enters the valve body, and the main gate plate is lifted or lowered by the main oil cylinder;
the upper end of the lower valve box is connected with the lower end of the valve body through a bolt, the upper end of the lower valve box is provided with two auxiliary oil cylinders through a flange, the two auxiliary oil cylinders are respectively positioned at two sides of the valve body and are symmetrically arranged, piston rods of the two auxiliary oil cylinders penetrate into the lower valve box and are connected with two ends of a balancing rod through ear plates and pin shafts, the middle of the balancing rod is connected with an auxiliary flashboard through the pin shaft, the auxiliary flashboard penetrates through a rectangular groove at the lower end of the valve body and enters the valve body, and the auxiliary flashboard is lifted or lowered by;
the main flashboard and the auxiliary flashboard can be singly moved or linked to realize opening and closing of the gate valve.
In the above technical scheme, preferably, the clearance between the rectangular channel of main flashboard and valve body upper end, the clearance between the rectangular channel of vice flashboard and valve body lower extreme all seal through rubber seal structure, rubber seal structure arranges respectively in main flashboard and valve body clearance department and vice flashboard and valve body clearance department, and installs on the valve body through the bolt, and sealed elasticity degree can rely on the bolt adjustment of installation rubber seal structure.
In the above technical scheme, it is preferred, the both ends of valve body are flange circular pipe, and the interlude is square pipe, and the changeover portion between the two is the local pipe of sky circle, install in the square pipe and be used for leading and the horizontal dog that supports main, vice flashboard's up-and-down motion.
In the above technical solution, it is further preferable that the rectangular grooves are respectively located on the upper cover plate and the lower cover plate of the valve body.
In the above technical solution, preferably, displacement sensors for indicating the stroke of the gate plate are installed on both the master cylinder and one of the slave cylinders, so as to indicate the position of the gate plate.
In the above technical solution, preferably, the valve body is formed by welding steel plates.
The main gate plate and the auxiliary gate plate can be lifted independently under the action of the oil cylinders respectively, and can also be lifted simultaneously, and the switching of the single-acting or linkage mode is carried out through the buttons on the hydraulic stations. When the main gate plate is closed, the lower part of the main gate plate is tightly contained in the rectangular groove at the upper part of the auxiliary gate plate, so that the main gate plate is uniformly stressed in a closed state. Once the lower part of the main gate plate is clamped with large sundries, the linkage mode can be switched on, the large sundries can be jacked open through the lifting of the auxiliary gate plate, and the main gate plate can smoothly drop into the groove.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model discloses a double-disc hydraulic gate valve is dredged in land area, owing to adopted brand-new technical scheme, compared with the prior art, the utility model discloses through the flow direction of oil cylinder control flashboard switching mud pipe silt on switching land, solve the difficult problem that major diameter mud pipe gate valve is difficult to rely on the manpower to open and close, use manpower sparingly, improve the efficiency of falling the valve, can realize that the mud pipe line freely switches over the trend under the circumstances of not shutting down the pump; the phenomenon that the gate is not dead is solved by utilizing the single-action or linkage mode of the double gates; the stroke of the main flashboard and the auxiliary flashboard is strictly controlled through the oil cylinder displacement sensor, so that the flashboards are prevented from going out of the groove, the safety risk is reduced, and the construction efficiency is improved; the silt leakage of the mud pipe is further prevented through a rubber sealing structure; the utility model has the advantages of reasonable design, easy to maintain, multi-functional mode of operation can deal with multiple proruption situation in a flexible way.
Drawings
FIG. 1 is a schematic view of the closed state of the main and auxiliary gate plates of the hydraulic gate valve for land dredging double gate plates;
FIG. 2 is a schematic view of the closed state of the double-gate hydraulic gate valve for land dredging under linkage of the main gate and the auxiliary gate;
fig. 3 is a schematic view of the open state of the main and auxiliary gate plates of the land dredging double-gate plate hydraulic gate valve of the utility model;
fig. 4 is a side view of the structure of fig. 1.
In the figure: 1. a master cylinder; 2. an upper valve box; 3. a main gate plate; 4. a rubber sealing structure; 5. a valve body; 6. an auxiliary oil cylinder; 7. an auxiliary gate plate; 8. a lower valve box; 9. a balancing pole; 10. and a stop block.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", "horizontal", "vertical", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
The embodiment provides a double-gate hydraulic gate valve for land dredging, which comprises a valve body 5, an upper valve box 2, a main oil cylinder 1, a main gate plate 3, a lower valve box 8, an auxiliary oil cylinder 6 and an auxiliary gate plate 7; the both ends of valve body 5 are flange circular pipe, and the interlude is square pipe, and the changeover portion between the two is the local pipe of sky circle, install the dog 10 that is used for leading and transversely supporting main, vice flashboard's up-and-down motion in the square pipe.
Rectangular grooves for the corresponding main flashboard and the corresponding auxiliary flashboard to enter and exit are formed in the upper cover plate and the lower cover plate of the valve body 5;
the lower end of the upper valve box 2 is connected with the upper end of the valve body 5 through a bolt and is used for supporting the main oil cylinder 1, the upper end of the upper valve box 2 is provided with the main oil cylinder 1 through a flange, a piston rod of the main oil cylinder 1 penetrates into the upper valve box 2 and is connected with the main gate plate 3 through an ear plate and a pin shaft, the main gate plate 3 penetrates through a rectangular groove in an upper cover plate of the valve body 5 and enters a square pipe of the valve body 5, and the main gate plate 3 is lifted or lowered by the main oil cylinder 1;
the upper end of the lower valve box 8 is connected with the lower end of the valve body 5 through a bolt and is used for supporting the auxiliary oil cylinders 6, the upper end of the lower valve box 8 is provided with two auxiliary oil cylinders 6 through flanges, the two auxiliary oil cylinders 6 are respectively positioned on two sides of the valve body 5 and are symmetrically arranged, piston rods of the two auxiliary oil cylinders 6 penetrate into the lower valve box 8 and are connected with two ends of a balance rod 9 through ear plates and pin shafts, the middle of the balance rod 9 is connected with an auxiliary flashboard 7 through a pin shaft, the auxiliary flashboard 7 penetrates through a rectangular groove on a lower cover plate of the valve body 5 and enters a square pipe of the valve body 5, and the auxiliary flashboard 7 is lifted or lowered by the;
the main flashboard 3 and the auxiliary flashboard 7 can be singly moved or linked to achieve the purpose of opening and closing the gate valve.
The clearance between the rectangular channel of main gate board 3 and the 5 upper cover plates of valve body, under 7 and the valve body 5 the rectangular channel of apron clearance all seal through rubber seal structure 4, rubber seal structure 4 arranges respectively in main gate board 3 and 5 clearance departments of valve body and auxiliary gate board 7 and 5 clearance departments of valve body, and installs on the upper and lower apron of valve body 5 through the bolt, and sealed elasticity degree can rely on the bolt regulation of installation rubber seal structure, prevents that mud pipe silt from leaking.
And displacement sensors for indicating the stroke of the flashboard are arranged on the main oil cylinder 1 and one of the auxiliary oil cylinders 6 and used for indicating the position of the flashboard, so that the problem that the flashboard is separated from the valve body is avoided.
The valve body 5 is formed by steel plate welding, is convenient to manufacture, is of a round-the-clock structure, has a shorter middle square pipe length during specific manufacturing, can reduce slurry conveying resistance, and is beneficial to the arrangement of the main gate plate and the auxiliary gate plate.
The main gate plate 3 and the sub gate plate 7 are separated from each other and are respectively lifted or lowered by respective cylinders. The main gate plate and the auxiliary gate plate can be lifted independently under the action of the oil cylinders respectively, and can also be lifted simultaneously, and the switching of the single-acting or linkage mode is carried out through the buttons on the hydraulic stations. When the main gate plate 3 is closed, the lower part of the main gate plate is tightly contained in the rectangular groove at the upper part of the auxiliary gate plate 7, so that the main gate plate is uniformly stressed in a closed state. Once the lower part of the main gate plate 3 is clamped with large sundries, the linkage mode can be started, the large sundries can be jacked open by lifting the auxiliary gate plate 7, and the main gate plate can be smoothly dropped into the groove.
The utility model discloses a concrete theory of operation as follows:
when the land mud pipe needs to change the flow direction of the silt, the lifting or descending of the main gate plate and the auxiliary gate plate is controlled through the relevant buttons on the hydraulic station, so that the purpose of opening or closing the gate valve is achieved, and the change of the flow direction of the silt is realized. When silt deposits on the lower portion of the valve body, the silt deposits can be removed through a linkage mode, and then the main gate plate can smoothly fall into the groove, and the purpose of closing the gate valve is achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (6)
1. A hydraulic gate valve with double gate plates for land dredging is characterized by comprising a valve body (5), an upper valve box (2), a main oil cylinder (1), a main gate plate (3), a lower valve box (8), an auxiliary oil cylinder (6) and an auxiliary gate plate (7); rectangular grooves for the corresponding main flashboard and the corresponding auxiliary flashboard to enter and exit are formed in the upper end and the lower end of the valve body (5);
the lower end of the upper valve box (2) is connected with the upper end of the valve body (5) through a bolt, the upper end of the upper valve box (2) is provided with a main oil cylinder (1) through a flange, a piston rod of the main oil cylinder (1) penetrates into the upper valve box (2) and is connected with a main gate plate (3) through an ear plate and a pin shaft, the main gate plate (3) penetrates through a rectangular groove in the upper end of the valve body (5) and enters the valve body (5), and the main gate plate (3) is lifted or lowered by means of the main oil cylinder (1);
the upper end of the lower valve box (8) is connected with the lower end of the valve body (5) through a bolt, the upper end of the lower valve box (8) is provided with two auxiliary oil cylinders (6) through flanges, the two auxiliary oil cylinders (6) are respectively positioned at two sides of the valve body (5) and are symmetrically arranged, piston rods of the two auxiliary oil cylinders (6) penetrate into the lower valve box (8) and are connected with two ends of a balance rod (9) through lug plates and pin shafts, the middle of the balance rod (9) is connected with an auxiliary flashboard (7) through the pin shaft, the auxiliary flashboard (7) penetrates through a rectangular groove at the lower end of the valve body (5) and enters the valve body (5), and the auxiliary flashboard (7) is lifted or lowered by the auxiliary oil cylinders;
the main gate plate (3) and the auxiliary gate plate (7) can be singly moved or linked to realize opening and closing of the gate valve.
2. Double-gate hydraulic gate valve for land dredging according to claim 1, wherein the gap between the main gate plate (3) and the rectangular groove at the upper end of the valve body (5) and the gap between the auxiliary gate plate (7) and the rectangular groove at the lower end of the valve body (5) are sealed by rubber sealing structures (4), the rubber sealing structures (4) are respectively arranged at the gap between the main gate plate (3) and the valve body (5) and at the gap between the auxiliary gate plate (7) and the valve body (5) and are mounted on the valve body (5) by bolts.
3. Double-gate hydraulic gate valve for land dredging according to claim 1, characterized in that the valve body (5) has two ends in the form of flanged circular pipe, a middle section in the form of square pipe, and a transition section between the two sections in the form of square pipe, and the square pipe has a stopper (10) mounted therein for guiding and laterally supporting the up-and-down movement of the main and auxiliary gates.
4. Double-disc hydraulic gate valve for land dredging according to claim 3, characterized in that said rectangular grooves are located on the upper and lower cover plates of the valve body (5), respectively.
5. Double-gate hydraulic gate valve for land dredging according to claim 1, characterized in that the master cylinder (1) and one of the slave cylinders (6) are each fitted with a displacement sensor for indicating the gate stroke.
6. Double-gate land dredging hydraulic gate valve according to claim 1, characterized in that the valve body (5) is made of welded steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990118.1U CN210318581U (en) | 2019-06-27 | 2019-06-27 | Double-gate hydraulic gate valve for land dredging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990118.1U CN210318581U (en) | 2019-06-27 | 2019-06-27 | Double-gate hydraulic gate valve for land dredging |
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| Publication Number | Publication Date |
|---|---|
| CN210318581U true CN210318581U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920990118.1U Active CN210318581U (en) | 2019-06-27 | 2019-06-27 | Double-gate hydraulic gate valve for land dredging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185809A (en) * | 2019-06-27 | 2019-08-30 | 中交天津航道局有限公司 | A kind of land-based area dredging double disc hydraulic sluice valve |
| CN112049950A (en) * | 2020-07-08 | 2020-12-08 | 广州市昊力工具有限公司 | Gate valve |
-
2019
- 2019-06-27 CN CN201920990118.1U patent/CN210318581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185809A (en) * | 2019-06-27 | 2019-08-30 | 中交天津航道局有限公司 | A kind of land-based area dredging double disc hydraulic sluice valve |
| CN112049950A (en) * | 2020-07-08 | 2020-12-08 | 广州市昊力工具有限公司 | Gate valve |
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