CN113357215A - Hydraulic multi-way valve for static pile press - Google Patents
Hydraulic multi-way valve for static pile press Download PDFInfo
- Publication number
- CN113357215A CN113357215A CN202110712334.1A CN202110712334A CN113357215A CN 113357215 A CN113357215 A CN 113357215A CN 202110712334 A CN202110712334 A CN 202110712334A CN 113357215 A CN113357215 A CN 113357215A
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- way valve
- ship
- walking
- oil
- oil inlet
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- 230000003068 static effect Effects 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 description 93
- 238000012423 maintenance Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a hydraulic multi-way valve for a static pile press, which comprises a multi-way valve bottom plate, a pile pressing multi-way valve, a long walking ship multi-way valve, a short walking ship multi-way valve, an overflow valve and an unloading valve. The pile-pressing multi-way valve, the walking long ship multi-way valve, the walking short ship multi-way valve, the overflow valve and the unloading valve are fixed on the multi-way valve base plate, and the multi-way valve base plate integrates functions of oil inlet, unloading, oil return and the like through the internal oil duct, so that the space and the cost are saved, the installation is convenient, the structure is compact, the occupied space of pipelines is reduced, the number of pipeline joints is reduced, the number of joints is reduced, and the risk of leakage is reduced.
Description
Technical Field
The invention relates to the technical field of multi-way valves, in particular to a hydraulic multi-way valve for a static pile press.
Background
The static pile press is introduced and used from the nineties of the 20 th century in China, and the machine is mainly produced and used in China in the world at present; the static pile press has the advantages of no noise, no pollution (motor drive) and high operation efficiency, and is particularly suitable for urban building foundation construction.
The structure of a pile clamping hydraulic control system of the prior static pile press comprises an oil tank, an oil pump, a safety valve, a reversing valve, a hydraulic lock, a pile clamping oil cylinder, an overload valve and other components which are connected; the working principle is as follows: when the pile pressing device works, the reversing valve is operated, pressure oil from the oil pump enters the large cavity of the pile clamping oil cylinder, the pile clamping oil cylinder clamps the pile body under the action of the pressure oil, the hydraulic lock is used for preventing the oil in the large cavity of the pile clamping oil cylinder from leaking, and therefore pressure is maintained, and the pile pressing device presses the pile body into the ground through friction force under the action of the pile pressing oil cylinder.
The hydraulic control system of the prior static pile press mainly comprises a manual reversing valve and a hydraulic control integrated multi-way valve.
The manual reversing valve has the following defects: (1) the operation torque is large, and the labor intensity is high; (2) the pressure impact is large at the moment of operation, and the pressure loss is large; (3) because of the operation torque, a large-flow manual reversing valve is not provided; (4) other functional modules need to be connected with each other by rubber pipes, so that the number of connecting nodes is large, the occupied space is large, and the leakage risk is large.
The hydraulic control integral multi-way valve has the following defects:
(1) the manufacturing and processing technology has great difficulty;
(2) the function modules cannot be adjusted and added according to the actual requirements on the site;
(3) the troubleshooting is difficult, the requirement on the quality of maintenance personnel is high, and the later maintenance cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the hydraulic multi-way valve for the static pile press, which can save space and is convenient to install and maintain.
In order to solve the above object, the solution of the present invention is:
a hydraulic multi-way valve for a static pile press, comprising:
the multi-way valve bottom plate is provided with a walking long ship oil inlet, a walking long ship oil return port, a walking short ship oil inlet, a walking short ship oil return port, a pile pressing oil inlet, a pile pressing oil return port, an overflow oil inlet and an overflow oil return port which are communicated with the top surface;
the pile pressing multi-way valve is locked on the multi-way valve bottom plate, an oil inlet of the pile pressing multi-way valve is connected with a pile pressing oil inlet of the multi-way valve bottom plate, and an oil outlet of the pile pressing multi-way valve is connected with a pile pressing oil return port of the multi-way valve bottom plate;
the long-ship traveling multi-way valve is locked on a multi-way valve bottom plate, an oil inlet of the long-ship traveling multi-way valve is connected with an oil inlet of a long-ship traveling of the multi-way valve connecting plate, and an oil outlet of the long-ship traveling multi-way valve is connected with an oil return port of the long-ship traveling of the multi-way valve bottom plate;
the oil inlet of the long-ship traveling multi-way valve is connected with the oil inlet of the short-ship traveling multi-way valve of the multi-way valve connecting plate, and the oil outlet of the short-ship traveling multi-way valve is connected with the oil return port of the short-ship traveling multi-way valve of the multi-way valve bottom plate;
the overflow valves are arranged at an overflow oil inlet and an overflow oil return port of the bottom plate of the multi-way valve, and the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all communicated with the overflow valves;
and the unloading valve is arranged on the multi-way valve connecting plate, and the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all communicated with the unloading valve.
Further, the multi-way valve bottom plate comprises a fixed mounting plate and a multi-way valve connecting plate fixedly connected with the fixed mounting plate, the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are arranged on the top surface of the multi-way valve connecting plate, and the overflow valve and the unloading valve are arranged at the front end and the rear end of the multi-way valve connecting plate.
Furthermore, a walking long ship oil inlet, a walking short ship oil inlet and a pile pressing oil inlet of the multi-way valve bottom plate are respectively connected with an oil pump, and one-way valves which are arranged in the multi-way valve bottom plate are respectively arranged between the walking long ship oil inlet and the oil pump, between the walking short ship oil inlet and the oil pump and between the pile pressing oil inlet and the oil pump.
Further, the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all of a plate valve structure and respectively formed by stacking an installation unit, a working unit and an oil return unit.
By adopting the structure, the hydraulic multi-way valve for the static pile press integrates the pile press multi-way valve, the walking long ship multi-way valve, the walking short ship multi-way valve, the overflow valve, the unloading valve and other functions on one multi-way valve base plate, integrates the functions of oil feeding, unloading and oil returning through the internal oil duct on the multi-way valve base plate, saves space and cost, is convenient to install and compact in structure, reduces the occupied space of pipelines, reduces the number of pipeline joints, reduces the number of joints, reduces the risk of leakage, and is convenient to maintain and low in maintenance cost.
Drawings
FIG. 1 is a first schematic perspective view of the multiple-way valve of the present invention;
FIG. 2 is a second schematic perspective view of the multiple-way valve of the present invention;
FIG. 3 is a schematic side view of the multiple-way valve of the present invention;
FIG. 4 is a schematic perspective view of a flapper valve base plate of the present invention;
FIG. 5 is a schematic top view of the multiple-way valve of the present invention;
FIG. 6 is a hydraulic operating schematic of the multiple-way valve of the present invention.
Reference numerals:
1. a multiway valve bottom plate;
11. fixing the mounting plate;
12. a multi-way valve connecting plate;
121. an oil inlet of the walking long ship; 122. an oil return port of the long walking ship; 123. an oil inlet of the traveling short ship;
124. an oil return port of the traveling short ship; 125. an oil inlet of a pile pressing; 126. pressing an oil return port;
2. pressing a pile multi-way valve;
3. a multi-way valve for a long walking ship;
4. a multi-way valve of the traveling short ship;
5. an overflow valve;
6. an unloading valve.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 6, the present invention discloses a hydraulic multi-way valve for a static pile press, which comprises a multi-way valve bottom plate 1, a pile press multi-way valve 2, a long-ship walking multi-way valve 3, a short-ship walking multi-way valve 4, an overflow valve 5 and an unloading valve 6.
The multi-way valve base plate 1 comprises a fixed mounting plate 11 and a multi-way valve connecting plate 12 fixedly connected with the fixed mounting plate 11, wherein the multi-way valve connecting plate 12 is provided with a long walking ship oil inlet 121, a long walking ship oil return opening 122, a short walking ship oil inlet 123, a short walking ship oil return opening 124, a pile pressing oil inlet 125 and a pile pressing oil return opening 126 which are communicated with the top surface; the multi-way valve connecting plate 12 is also provided with an overflow oil inlet and an overflow oil return port. The oil inlet 121 of the long walking ship, the oil inlet 123 of the short walking ship and the oil inlet 125 of the pile pressing are respectively connected with an oil pump, one-way valves which are internally arranged in the multi-way valve connecting plate 12 are respectively arranged between the oil inlet 121 of the long walking ship and the oil pump, between the oil inlet 123 of the short walking ship and the oil pump and between the oil inlet 125 of the pile pressing and the oil pump, the oil outlet of the hydraulic pump is separated from the system and the pump by the one-way valves, when the hydraulic pump is started, hydraulic oil discharged by the pump can enter the hydraulic system through the one-way valves, and the system is still in a pressure maintaining state when the pressure load of the system suddenly rises or is powered off by the one-way valves; the oil pump can be prevented from being damaged due to backflow of oil of the hydraulic system, certain accidents are avoided, and pressure oil in the system can not be lost when the pump is disassembled.
The pile pressing multi-way valve 2 is locked on the multi-way valve connecting plate 12 through screws, an oil inlet of the pile pressing multi-way valve 2 is connected with a pile pressing oil inlet 125 of the multi-way valve connecting plate 12, and an oil outlet of the pile pressing multi-way valve 2 is connected with a pile pressing oil return port 126 of the multi-way valve connecting plate 12.
The long-ship traveling multi-way valve 3 is fixedly locked on the multi-way valve connecting plate 12 through screws, an oil inlet of the long-ship traveling multi-way valve 3 is connected with a long-ship traveling oil inlet 121 of the multi-way valve connecting plate 12, and an oil outlet of the long-ship traveling multi-way valve 3 is connected with a long-ship traveling oil return port 122 of the multi-way valve connecting plate 12.
The traveling short ship multi-way valve 4 is fixedly locked on the multi-way valve connecting plate 12 through a screw, an oil inlet of the traveling long ship multi-way valve 3 is connected with an oil inlet 123 of a traveling short ship of the multi-way valve connecting plate 12, and an oil outlet of the traveling short ship multi-way valve 3 is connected with an oil return port 124 of the traveling short ship of the multi-way valve connecting plate 12.
The overflow valves 5 are arranged at an overflow oil inlet and an overflow oil return port of the multi-way valve connecting plate 12, and the pile pressing multi-way valve 2, the walking long ship multi-way valve 3 and the walking short ship multi-way valve 4 are all communicated with the overflow valves 5.
The unloading valve 6 is arranged at the rear end of the multi-way valve connecting plate 12, and the pile pressing multi-way valve 2, the long walking ship multi-way valve 3 and the short walking ship multi-way valve 4 are all communicated with the unloading valve 6.
As a preferred embodiment, the pile pressing multi-way valve 2, the long-ship walking multi-way valve 3 and the short-ship walking multi-way valve 4 are all of a plate valve structure and respectively comprise an installation unit, a working unit and an oil return unit which are stacked. Pile pressing multi-way valve 2, long ship multi-way valve 3 of walking and the smooth hydraulic shock of short ship multi-way valve 4 of walking of wafer valve structure have the switching-over and steadily little, can make up corresponding valve unit to the needs of different model equipment, greatly made things convenient for on-the-spot adjustment and added functional module, enlarge the suitability of product, fault detection is simple and convenient, can select suitable function according to operating mode and in-service use condition, the adjustment is convenient, cost of maintenance is very low, additional plug-in components are very convenient, compare manual switching-over valve low in labor strength, wireless remote control can upgrade.
The hydraulic multi-way valve for the static pile press integrates the pile press multi-way valve 2, the walking long ship multi-way valve 3, the walking short ship multi-way valve 4, the overflow valve 5, the unloading valve 6 and the like on one multi-way valve base plate 1, integrates oil inlet, unloading and oil return functions through the internal oil duct, saves space and cost, is convenient to install and compact in structure, reduces occupied space of pipelines, reduces the number of pipeline joints, reduces contacts and leakage risks, and is convenient to maintain and low in maintenance cost.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (4)
1. A hydraulic multi-way valve for a static pile press is characterized by comprising:
the multi-way valve bottom plate is provided with a walking long ship oil inlet, a walking long ship oil return port, a walking short ship oil inlet, a walking short ship oil return port, a pile pressing oil inlet, a pile pressing oil return port, an overflow oil inlet and an overflow oil return port which are communicated with the top surface;
the pile pressing multi-way valve is locked on the multi-way valve bottom plate, an oil inlet of the pile pressing multi-way valve is connected with a pile pressing oil inlet of the multi-way valve bottom plate, and an oil outlet of the pile pressing multi-way valve is connected with a pile pressing oil return port of the multi-way valve bottom plate;
the long-ship traveling multi-way valve is locked on a multi-way valve bottom plate, an oil inlet of the long-ship traveling multi-way valve is connected with an oil inlet of a long-ship traveling of the multi-way valve connecting plate, and an oil outlet of the long-ship traveling multi-way valve is connected with an oil return port of the long-ship traveling of the multi-way valve bottom plate;
the oil inlet of the long-ship traveling multi-way valve is connected with the oil inlet of the short-ship traveling multi-way valve of the multi-way valve connecting plate, and the oil outlet of the short-ship traveling multi-way valve is connected with the oil return port of the short-ship traveling multi-way valve of the multi-way valve bottom plate;
the overflow valves are arranged at an overflow oil inlet and an overflow oil return port of the bottom plate of the multi-way valve, and the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all communicated with the overflow valves; and the number of the first and second groups,
and the unloading valve is arranged on the multi-way valve connecting plate, and the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all communicated with the unloading valve.
2. The hydraulic multi-way valve for a static pile press according to claim 1, wherein: the multi-way valve base plate comprises a fixed mounting plate and a multi-way valve connecting plate fixedly connected with the fixed mounting plate, the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are arranged on the top surface of the multi-way valve connecting plate, and the overflow valve and the unloading valve are arranged at the front end and the rear end of the multi-way valve connecting plate.
3. The hydraulic multi-way valve for a static pile press according to claim 1, wherein: the long walking ship oil inlet, the short walking ship oil inlet and the pile pressing oil inlet of the multi-way valve bottom plate are respectively connected with an oil pump, and check valves which are arranged in the multi-way valve bottom plate are respectively arranged between the long walking ship oil inlet and the oil pump, between the short walking ship oil inlet and the oil pump and between the pile pressing oil inlet and the oil pump.
4. The hydraulic multi-way valve for a static pile press according to claim 1, wherein: the pile pressing multi-way valve, the walking long ship multi-way valve and the walking short ship multi-way valve are all of a plate valve structure and respectively formed by stacking an installation unit, a working unit and an oil return unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712334.1A CN113357215A (en) | 2021-06-25 | 2021-06-25 | Hydraulic multi-way valve for static pile press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712334.1A CN113357215A (en) | 2021-06-25 | 2021-06-25 | Hydraulic multi-way valve for static pile press |
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| Publication Number | Publication Date |
|---|---|
| CN113357215A true CN113357215A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110712334.1A Pending CN113357215A (en) | 2021-06-25 | 2021-06-25 | Hydraulic multi-way valve for static pile press |
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| CN102536938A (en) * | 2011-01-18 | 2012-07-04 | 梅张龙 | Liquid controlled multi-way valve |
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| CN108999826A (en) * | 2018-10-24 | 2018-12-14 | 湖南创远高新机械有限责任公司 | Raise boring machine multifunction hydraulic integrates valve group |
| CN109707690A (en) * | 2019-01-18 | 2019-05-03 | 江苏汇智高端工程机械创新中心有限公司 | Electric proportional load sensitive multi-way valve integrated with hydraulic lock |
| CN208935054U (en) * | 2018-10-24 | 2019-06-04 | 湖南创远高新机械有限责任公司 | Raise boring machine multifunction hydraulic integrates valve group |
| CN215333708U (en) * | 2021-06-25 | 2021-12-28 | 江苏谷登重型机械装备科技有限公司 | Hydraulic multi-way valve for static pile press |
-
2021
- 2021-06-25 CN CN202110712334.1A patent/CN113357215A/en active Pending
Patent Citations (13)
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| CN102536938A (en) * | 2011-01-18 | 2012-07-04 | 梅张龙 | Liquid controlled multi-way valve |
| CN201963627U (en) * | 2011-02-02 | 2011-09-07 | 卢宇 | Ratio control multi-way valve |
| CN202545396U (en) * | 2012-04-11 | 2012-11-21 | 杭叉集团股份有限公司 | Large-tonnage combined multi-way valve |
| CN202579405U (en) * | 2012-05-17 | 2012-12-05 | 湖南鸿辉科技有限公司 | Multi-way valve controlled by full static pile pressing-in machine system |
| CN103267147A (en) * | 2013-05-28 | 2013-08-28 | 卢宇 | Small-flow high-pressure load sensitive proportional multi-way valve |
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