CN210260885U - Confluence switching valve, speed regulation interlocking control system and self-walking crane - Google Patents
Confluence switching valve, speed regulation interlocking control system and self-walking crane Download PDFInfo
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- CN210260885U CN210260885U CN201921128600.0U CN201921128600U CN210260885U CN 210260885 U CN210260885 U CN 210260885U CN 201921128600 U CN201921128600 U CN 201921128600U CN 210260885 U CN210260885 U CN 210260885U
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Abstract
The utility model discloses a confluence switching valve, which comprises a two-position three-way electromagnetic switching valve I, a two-position three-way electromagnetic switching valve II, a one-way valve I and a one-way valve II; the two-position three-way electromagnetic switching valve I is used for controlling confluence selection of a double-pump source and realizing switching of operation speeds; the two-position three-way electromagnetic switching valve II is used for realizing the interlocking control of the vehicle loading and unloading control system; and the check valve I and the check valve II are respectively used for protecting the partition of the double-pump source. When the speed-regulating interlocking control system works, the working speed can be selected according to different working conditions of the work, so that the efficiency and the stability of the working system are both achieved; when the system works, the getting-on and getting-off system can realize independent interlocking control, thereby preventing the misoperation of getting on and off the bus and improving the safety of the whole machine.
Description
Technical Field
The utility model relates to a confluence diverter valve, speed governing interlocking control system and from walking hoist.
Background
The self-walking crane control system generally comprises a walking control system and an operation control system, the operation control system is divided into a lower landing leg control system and an upper operation control system, the whole machine system is generally controlled by double pumps, high-speed and low-speed switching, namely confluence switching of the double pumps, is required to be realized for the adaptability of working conditions when the operation control system is controlled, and simultaneously, the lower landing leg control system and the upper operation control system are required to be respectively controlled and interlocked for operation safety.
The above performances are not simultaneously realized in the current common operation control system.
Disclosure of Invention
An object of the utility model is to provide a confluence diverter valve, speed governing interlocking control system and from walking hoist for the control system that gets on or off the bus from walking hoist realizes the interlocking, and the lift system security is when the operation under different operating modes simultaneously, and the system can realize the switching of single double pump, can have the efficiency and the stationarity of operation simultaneously concurrently.
In order to achieve the purpose, the utility model discloses a confluence switching valve, including two three-way electromagnetic switching valve I, two three-way electromagnetic switching valve II, check valve I and check valve II;
the two-position three-way electromagnetic switching valve I is used for controlling confluence selection of a double-pump source and realizing switching of operation speeds;
the two-position three-way electromagnetic switching valve II is used for realizing the interlocking control of the vehicle loading and unloading control system;
and the check valve I and the check valve II are respectively used for protecting the partition of the double-pump source.
As an improvement, the confluence switching valve is a cartridge valve.
As a further improvement, the two-position three-way electromagnetic switching valve I, the two-position three-way electromagnetic switching valve II, the one-way valve I and the one-way valve II are integrated in the same cartridge valve body.
In addition, the utility model also provides a speed-regulating interlocking control system provided with the confluence switching valve, which comprises a pump source I, a pump source II, an upper multi-way valve and a lower landing leg valve;
the pump source I is connected with a two-position three-way electromagnetic switching valve I, and the two-position three-way electromagnetic switching valve I is selectively connected with an oil return port or a one-way valve I in a switching mode; the pump source II is connected with the one-way valve II, the one-way valve I and the one-way valve II are converged and connected with the two-position three-way electromagnetic switching valve II, and the two-position three-way electromagnetic switching valve II is switched to select to be connected with the multi-way valve for getting on the vehicle or connected with the landing leg valve for getting off the vehicle.
As an improvement, the pump source I is connected with a two-position three-way electromagnetic switching valve I through a P1 port, and the pump source II is connected with a one-way valve II through a P2 port;
when the two-position three-way electromagnetic switching valve I is in the right position, the port P1 is connected with the one-way valve I, the pump source I is converged after flowing through the one-way valve I and the pump source II is converged after flowing through the one-way valve II, and the two-position three-way electromagnetic switching valve I is connected with the two-position three-way electromagnetic switching valve II.
When the two-position three-way electromagnetic switching valve II is in the right position, oil merged by the double pumps is communicated with the port A2 through the port C and enters the port P3 of the multi-way valve for getting on the vehicle, and the getting on system is controlled at a high speed with a large flow;
if an electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II, the two-position three-way electromagnetic switching valve II is in the left position, oil liquid of the confluence of the double pumps is communicated with a port B2 through a port C, enters a port P4 of a landing leg valve of the getting-off system, and controls the getting-off system at a high speed in a large flow.
When the two-position three-way electromagnetic switching valve I is in the left position, the port P1 is communicated with the port B1, and oil liquid of the pump source I is connected with the port T for oil return; and the pump source II is connected with a one-way valve II through a port P2, and oil enters the two-position three-way electromagnetic switching valve II through a port C after passing through the one-way valve II.
When the two-position three-way electromagnetic switching valve II is in the right position, oil liquid of the pump source II is communicated with the port A2 through the port C and enters the port P3 of the multi-way valve for getting on the train, and the system for getting on the train is controlled at a low speed with a small flow;
when the two-position three-way electromagnetic switching valve II is in the left position, oil of the pump source II is communicated with the port B2 through the port C and enters the port P4 of the get-off leg valve, and the get-off system is controlled at a low speed with a small flow.
Finally, the utility model also provides a self-walking hoist, its installation the speed governing interlocking control system.
Compared with the prior art, the beneficial effects of the utility model are that:
1) when the speed-regulating interlocking control system works, the working speed can be selected according to different working conditions of the work, so that the efficiency and the stability of the working system are both achieved; when the system works, the getting-on and getting-off system can realize independent interlocking control, thereby preventing the misoperation of getting on and off the bus and improving the safety of the whole machine.
2) The one-way valve in the confluence switching valve of the utility model plays a role in protecting the pump source, thus improving the use safety and durability of the whole machine; in addition, the confluence switching valve is an inserted integrated valve group, so that the integration of functionalization and modularization is realized, and the economical efficiency of the system is improved.
Drawings
Fig. 1 is a schematic view of a confluence switching valve of the present invention;
FIG. 2 is a schematic connection diagram of the speed-regulating interlocking control system of the present invention;
in the figure: 1. two three-way electromagnetic switching valves I, 2, two three-way electromagnetic switching valves II, 3, check valve I, 4, check valve II, 5, pump source I, 6, pump source II, 7, the multiway valve of getting on the bus, 8, the landing leg valve of getting off the bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
As shown in fig. 1, a confluence switching valve for a self-walking crane comprises a two-position three-way electromagnetic switching valve I1, a two-position three-way electromagnetic switching valve II 2, a one-way valve I3 and a one-way valve II 4;
the two-position three-way electromagnetic switching valve I1 is used for controlling confluence selection of a double-pump source and realizing switching of operation speed;
the two-position three-way electromagnetic switching valve II 2 is used for realizing the interlocking control of the getting-on and getting-off control system;
the check valve I3 and the check valve II 4 are respectively used for protecting the pump sources, so that the two pump sources independently supply oil without mutual influence, and the check valves can be externally integrated at the pump sources.
In an improvement of the embodiment, the confluence switching valve is a cartridge valve, and inserts such as hydraulic control switching are integrated on the cartridge valve, so that high-speed and low-speed switching of the operation control system is realized, and the lower-vehicle support leg control system and the upper-vehicle operation control system are controlled independently.
As an improvement of the embodiment, the two-position three-way electromagnetic switching valve I1, the two-position three-way electromagnetic switching valve II 2, the one-way valve I3 and the one-way valve II 4 are integrated in the same cartridge valve body, so that the integration of functionalization and modularization is realized. In addition, the confluence switching valve can be separated into two switching valves and then combined to realize the required functions.
In addition, as shown in fig. 2, the utility model also provides a speed-regulating interlocking control system provided with the confluence switching valve, which comprises a pump source I5, a pump source II 6, an on-board multi-way valve 7 and an off-board leg valve 8;
pump source I5 is connected with two tee bend electromagnetic switching valve I1, two tee bend electromagnetic switching valve I1 switch to select to be connected with the oil return opening or be connected with check valve I3, pump source II 6 is connected with check valve II 4, check valve I3 and II 4 confluence of check valve are connected with two tee bend electromagnetic switching valve II 2, two tee bend electromagnetic switching valve II 2 switch to select to be connected with the multiway valve 7 of getting on the bus or be connected with landing leg valve 8 of getting off the bus.
Pump source I5 is connected with two three-way electromagnetic switching valve I1 through P1 mouth, if there is not the electro-magnet effect of signal of telecommunication to two three-way electromagnetic switching valve I1, when two three-way electromagnetic switching valve I1 was in the right position, P1 mouth was connected with the A1 mouth of check valve I3 for the fluid of pump source I5 gets into check valve I3, the fluid of pump source II 6 gets into check valve II 4 by P2 mouth, the confluence gets into two three-way electromagnetic switching valve II 2 by C mouth behind two pump sources opened check valve I3, check valve II 4 respectively.
If no electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II 2, the two-position three-way electromagnetic switching valve II 2 is in the right position, oil merged by the double pumps is communicated with the port A2 through the port C, and then enters the port P3 of the getting-on multi-way valve 7, so that a getting-on system can be controlled at a high flow rate and a high speed; if an electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II 2, the two-position three-way electromagnetic switching valve II 2 is in the left position, oil liquid of double-pump confluence is communicated with B2 through a port C, and then enters a port P4 of the get-off leg valve 8, so that the get-off system can be controlled at a high flow rate and a high speed.
The two-position three-way electromagnetic switching valve I1 is got into by P1 mouth to pump source I5 fluid, if there is the electro-magnet effect of signal of telecommunication to two-position three-way electromagnetic switching valve I1, and two-position three-way electromagnetic switching valve I1 is in the left position, and P1 and B1 mouth communicate to make pump source I5's fluid and T mouth be connected the oil return. And a pump source II 6 enters a one-way valve II 4 from a port P2, and then enters a two-position three-way electromagnetic switching valve II 2 from a port C after the one-way valve II 4 is opened.
If no electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II 2, the two-position three-way electromagnetic switching valve II 2 is in the right position, oil of the single pump source II 6 is communicated with the port A2 through the port C, and then enters the port P3 of the getting-on multi-way valve 7, so that the getting-on system can be controlled at a low flow rate and a low speed. If an electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II 2, the two-position three-way electromagnetic switching valve II 2 is in the left position, oil of the single pump source II 6 is communicated with the port B2 through the port C, and then enters the port P4 of the lower landing leg valve 8, so that the lower vehicle system can be controlled at a low flow rate and a low speed.
Finally, the utility model also provides an install speed governing interlocking control system's hoist of walking certainly.
When the speed-regulating interlocking control system works, the working speed can be selected according to different working conditions of the work, so that the efficiency and the stability of the working system are both achieved; when the system works, the getting-on and getting-off system can realize independent interlocking control, thereby preventing the misoperation of getting on and off the bus and improving the safety of the whole machine.
The one-way valve in the confluence switching valve of the utility model plays a role in protecting the pump source, thus improving the use safety and durability of the whole machine; in addition, the confluence switching valve is an inserted integrated valve group, so that the integration of functionalization and modularization is realized, and the economical efficiency of the system is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (9)
1. A confluence switching valve is characterized by comprising a two-position three-way electromagnetic switching valve I (1), a two-position three-way electromagnetic switching valve II (2), a one-way valve I (3) and a one-way valve II (4);
the two-position three-way electromagnetic switching valve I (1) is used for controlling confluence selection of a double-pump source and realizing switching of operation speed;
the two-position three-way electromagnetic switching valve II (2) is used for realizing the interlocking control of the getting-on and getting-off control system;
and the check valve I (3) and the check valve II (4) are respectively used for protecting the partition of the double-pump source.
2. A converging switching valve according to claim 1, characterised in that the converging switching valve is a cartridge valve.
3. A converging switching valve according to claim 2, characterized in that the two-position three-way electromagnetic switching valve i (1), the two-position three-way electromagnetic switching valve ii (2), the one-way valve i (3) and the one-way valve ii (4) are all integrated in the same cartridge valve body.
4. A speed-regulating interlocking control system provided with a confluence switching valve as claimed in any one of claims 1 to 3, comprising a pump source i (5), a pump source ii (6), an on-board multi-way valve (7) and an off-board leg valve (8);
the pump source I (5) is connected with a two-position three-way electromagnetic switching valve I (1), and the two-position three-way electromagnetic switching valve I (1) is selectively connected with an oil return port or a one-way valve I (3) in a switching mode; pump source II (6) are connected with check valve II (4), check valve I (3) and the confluence of check valve II (4) are connected with two tee bend electromagnetic switching valve II (2), two tee bend electromagnetic switching valve II (2) switch the selection and are connected with the multiway valve (7) of getting on the bus or are connected with landing leg valve (8) of getting off the bus.
5. The speed regulation interlocking control system according to claim 4, wherein the pump source I (5) is connected with the two-position three-way electromagnetic switching valve I (1) through a port P1, and the pump source II (6) is connected with the one-way valve II (4) through a port P2;
when two three-way electromagnetic switch valve I (1) are in the right position, P1 mouth is connected with check valve I (3), and pump source I (5) realize the confluence after flowing through check valve I (3), pump source II (6) flow through check valve II (4), are connected with two three-way electromagnetic switch valve II (2).
6. The speed-regulating interlocking control system according to claim 5, characterized in that when the two-position three-way electromagnetic switching valve II (2) is in the right position, the oil merged by the double pumps is communicated with the port A2 through the port C, enters the port P3 of the multi-way valve (7) for getting on the bus, and controls the getting on system at high speed with large flow;
if an electric signal acts on the electromagnet of the two-position three-way electromagnetic switching valve II (2), the two-position three-way electromagnetic switching valve II (2) is in the left position, oil liquid of confluence of the double pumps is communicated with a port B2 through a port C, enters a port P4 of a landing leg valve (8) of the get-off vehicle, and controls the get-off vehicle system at a high speed with a large flow.
7. The speed-regulating interlocking control system according to claim 4, characterized in that when the two-position three-way electromagnetic switching valve I (1) is in the left position, the port P1 is communicated with the port B1, and oil of the pump source I (5) is connected with the port T for oil return;
and the pump source II (6) is connected with the one-way valve II (4) through a P2 port, and oil enters the two-position three-way electromagnetic switching valve II (2) through the C port after passing through the one-way valve II (4).
8. The speed-regulating interlocking control system according to claim 7, characterized in that when the two-position three-way electromagnetic switching valve II (2) is in the right position, oil of the pump source II (6) is communicated with the port A2 through the port C, enters the port P3 of the multi-way valve (7) of the upper vehicle, and controls the upper vehicle system at low speed with small flow;
when the two-position three-way electromagnetic switching valve II (2) is in a left position, oil of the pump source II (6) is communicated with B2 through a port C and enters a port P4 of a lower vehicle supporting leg valve, and a lower vehicle system is controlled at a low speed with a small flow.
9. A self-propelled crane, characterized in that it is equipped with a speed control interlock control system according to any one of claims 4 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128600.0U CN210260885U (en) | 2019-07-18 | 2019-07-18 | Confluence switching valve, speed regulation interlocking control system and self-walking crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128600.0U CN210260885U (en) | 2019-07-18 | 2019-07-18 | Confluence switching valve, speed regulation interlocking control system and self-walking crane |
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| CN210260885U true CN210260885U (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294417A (en) * | 2019-07-18 | 2019-10-01 | 徐州徐工随车起重机有限公司 | A kind of interflow switching valve, speed regulation interlock control and from walking crane |
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2019
- 2019-07-18 CN CN201921128600.0U patent/CN210260885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294417A (en) * | 2019-07-18 | 2019-10-01 | 徐州徐工随车起重机有限公司 | A kind of interflow switching valve, speed regulation interlock control and from walking crane |
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