CN209959600U - Double-power confluence hydraulic driving device - Google Patents

Double-power confluence hydraulic driving device Download PDF

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Publication number
CN209959600U
CN209959600U CN201920849213.XU CN201920849213U CN209959600U CN 209959600 U CN209959600 U CN 209959600U CN 201920849213 U CN201920849213 U CN 201920849213U CN 209959600 U CN209959600 U CN 209959600U
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China
Prior art keywords
oil
confluence
valve
hydraulic pump
oil inlet
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Application number
CN201920849213.XU
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Chinese (zh)
Inventor
李孟伟
程海波
纪晓冬
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Fangyuan Group Haiyang Environmental Protection Technology Co Ltd
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Fangyuan Group Haiyang Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a double dynamical confluence hydraulic drive device, including first hydraulic pump, second hydraulic pump and confluence valve piece, the oil-out of first hydraulic pump, second hydraulic pump is respectively through first high pressure fuel pipe, the first oil inlet of second high pressure fuel pipe connection intercommunication confluence valve piece, second oil inlet, and confluence valve piece is used for converging first hydraulic pump, second hydraulic pump and passes through the one-way output of confluence valve piece oil-out, the utility model has the characteristics of large-traffic, high pressure.

Description

Double-power confluence hydraulic driving device
Technical Field
The utility model belongs to the technical field of construction machinery equipment, especially, relate to a double dynamical confluence hydraulic drive device, be applicable to the drive of big square volume concrete pump hydraulic system.
Background
Concrete pumps are concrete machines that continuously transport concrete through a pipeline using pressure. Along with the continuous progress of society, the application range of a large-volume high-pressure concrete pump is wider and wider, and the discharge capacity of a single oil pump of the existing hydraulic system can not meet the requirement of the system flow, so that a high-flow hydraulic system is urgently needed; secondly, in the construction of the existing constructional engineering, the concrete of a plurality of projects must be continuously pumped, the construction is not allowed to be interrupted, and the phenomenon of fracture and layering after the concrete is solidified is prevented, so that equipment is required to continuously work, and the construction quality of the projects is guaranteed.
Disclosure of Invention
The utility model aims to improve the deficiency of the prior art and provide a double dynamical confluence hydraulic drive device of large-traffic, high pressure.
The utility model aims at realizing like this, a double dynamical confluence hydraulic drive device, its characteristics are including first hydraulic pump, second hydraulic pump and confluence valve piece, and the oil-out of first hydraulic pump, second hydraulic pump connects first oil inlet, the second oil inlet of intercommunication confluence valve piece respectively through first high pressure fuel pipe, second high pressure fuel pipe, and the confluence valve piece is used for converging first hydraulic pump, second hydraulic pump and passes through the one-way output of confluence valve piece oil-out.
In order to further realize the utility model discloses a purpose, can be confluence valve piece be equipped with first oil inlet on the valve body, second oil inlet and confluence valve piece oil-out, first oil inlet, second oil inlet and confluence valve piece oil-out are through the internal oil circuit intercommunication of confluence valve, the first oil inlet of intercommunication and the oil circuit of confluence valve piece oil-out, be equipped with first check valve on the oil circuit of intercommunication second oil inlet and confluence valve piece oil-out respectively, the second check valve, first check valve, the second check valve is the same in structure, it has the valve body hole to open on the confluence valve piece, the downthehole case that is used for the shutoff oil inlet that installs of valve body, the check valve apron is installed to the screw thread on the valve body hole, be equipped with the spring between check valve apron and case.
Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model discloses a confluence valve piece merges two oil pumps, has solved the problem of single pump package flow restriction to confluence valve piece has the reverse function that ends of unidirectional flow, consequently can realize single pump package autonomous working.
The utility model has the characteristics of it is following: 1. the existing concrete pump components are fully utilized, and the universality of the components is good. 2. The performance is stable, the reliability is high, and the requirements of large-volume and long-distance transportation can be well met. 3. A concrete pump adopts a single pump set driving device to change into double-power confluence, and a confluence valve block is added to form a novel double-power confluence hydraulic driving device. The utility model discloses effectively solved present single pump flow not enough this difficult problem, laid a good foundation for the concrete pump and the marketing of the big square of development, high pressure in the future, also must bring considerable economic benefits.
The utility model discloses a two oil inlets of confluence valve piece have the reverse function that ends of unidirectional flow, can reach the demand of the large-traffic hydraulic system of equipment, can satisfy again when one of them pump assembly breaks down and can not work, another pump assembly can continue to provide power for equipment through confluence valve piece, guarantees that equipment does not shut down, can not influence the engineering construction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the confluence valve block of the present invention.
In the figure: 1. the hydraulic pump comprises a confluence valve block oil outlet, a confluence valve block 2, a first high-pressure oil pipe 3, a second high-pressure oil pipe 4, a second high-pressure oil pipe 5, a second hydraulic pump 6, a first hydraulic pump 7, a one-way valve cover plate 8, a spring 9, a valve core 10, a first oil inlet 11 and a second oil inlet.
Detailed Description
The utility model provides a double dynamical confluence hydraulic drive device, refers to fig. 1, includes first hydraulic pump 6, second hydraulic pump 5 and confluence valve block 2, and the first hydraulic pump 6, the first oil inlet 10 of second hydraulic pump 5's oil-out through first high pressure fuel pipe 3, second high pressure fuel pipe 4 connection intercommunication confluence valve block 2 respectively, second oil inlet 11, and confluence valve block 2 is used for carrying out the confluence with first hydraulic pump 6, second hydraulic pump 5 and passes through confluence valve block oil-out 1 one-way output.
Referring to fig. 2, the confluence valve block 2 is provided with a first oil inlet 10, a second oil inlet 11 and a confluence valve block oil outlet 1 on the valve body, the first oil inlet 10, the second oil inlet 11 and the confluence valve block oil outlet 1 are communicated through an oil path in the confluence valve body, an oil path communicating the first oil inlet 10 with the confluence valve block oil outlet 1 and an oil path communicating the second oil inlet 11 with the confluence valve block oil outlet 1 are respectively provided with a one-way valve, the one-way valve is provided with a valve body hole on the confluence valve block, a valve core 9 for plugging the oil inlet is installed in the valve body hole, a one-way valve cover plate 7 is installed on the valve body hole in a threaded manner, and a spring 8 is arranged between the one-way valve cover.
Use the utility model discloses in the time, the hydraulic oil of first hydraulic pump 6 and second hydraulic pump 5 is opened respectively through first high-pressure rubber tube 3, second high-pressure rubber tube 4 and is opened respectively with the check valve case 9 on the oil circuit of confluence valve piece oil-out intercommunication, and the rubber tube that the confluence valve piece oil-out 1 is connected gets into hydraulic system after the confluence, becomes double dynamical confluence hydraulic drive device.
If the first hydraulic pump 6 fails and stops working, a check valve spool 9 on an oil path of the first hydraulic pump can seal a first oil inlet 11 under the action of a spring 8, so that hydraulic oil of the system cannot leak; hydraulic oil of the second hydraulic pump 5 opens a check valve spool 9 on an oil path of the second hydraulic pump through a second high-pressure oil pipe 4, enters a hydraulic system through a high-pressure rubber pipe connected with an oil outlet 1 of the confluence valve block, and continuously provides power for equipment; similarly, when the second hydraulic pump 5 fails, the check valve spool 9 on the oil path thereof will seal the second oil inlet 11 under the action of the spring 8.
The utility model can not only meet the system requirements of the hydraulic system on large flow and high pressure, but also when any one hydraulic pump breaks down, the other hydraulic pump can continue to provide power for the hydraulic system, and the construction progress and the engineering quality of the project can not be influenced by equipment failure; meanwhile, two oil inlets of the confluence valve block have the functions of one-way conduction and reverse cut-off, so that the failed hydraulic pump can be disassembled and repaired under the condition that equipment does not need to be stopped.

Claims (2)

1. The utility model provides a double dynamical confluence hydraulic drive device, characterized by includes first hydraulic pump, second hydraulic pump and confluence valve block, and the first oil inlet of intercommunication confluence valve block, second oil inlet are connected respectively through first high pressure fuel pipe, second high pressure fuel pipe to the oil-out of first hydraulic pump, second hydraulic pump, and the confluence valve block is used for converging first hydraulic pump, second hydraulic pump and exports through confluence valve block oil-out one-way.
2. The dual-power confluence hydraulic driving device as claimed in claim 1, wherein the confluence valve block is provided with a first oil inlet, a second oil inlet and a confluence valve block oil outlet on the valve body, the first oil inlet, the second oil inlet and the confluence valve block oil outlet are communicated through an oil path in the confluence valve body, an oil path communicating the first oil inlet with the confluence valve block oil outlet and an oil path communicating the second oil inlet with the confluence valve block oil outlet are respectively provided with a one-way valve, the one-way valve is provided with a valve body hole on the confluence valve block, a valve core for plugging the oil inlet is installed in the valve body hole, a one-way valve cover plate is installed on the valve body hole in a threaded manner, and a spring is arranged between the one-way valve cover plate and.
CN201920849213.XU 2019-06-06 2019-06-06 Double-power confluence hydraulic driving device Active CN209959600U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920849213.XU CN209959600U (en) 2019-06-06 2019-06-06 Double-power confluence hydraulic driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920849213.XU CN209959600U (en) 2019-06-06 2019-06-06 Double-power confluence hydraulic driving device

Publications (1)

Publication Number Publication Date
CN209959600U true CN209959600U (en) 2020-01-17

Family

ID=69247272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920849213.XU Active CN209959600U (en) 2019-06-06 2019-06-06 Double-power confluence hydraulic driving device

Country Status (1)

Country Link
CN (1) CN209959600U (en)

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