CN216922683U

CN216922683U - Energy accumulator valve block

Info

Publication number: CN216922683U
Application number: CN202220433120.0U
Authority: CN
Inventors: 焦召明; 焦显阳; 韩晓强; 纪坤毅
Original assignee: LAIZHOU YATONG HEAVY EQUIPMENT CO Ltd
Current assignee: LAIZHOU YATONG HEAVY EQUIPMENT CO Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-08
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an energy accumulator valve block, which relates to the technical field of hydraulic systems and comprises a hydraulic valve block and a high-pressure ball valve, wherein a plurality of oil ducts and a plurality of oil ports communicated with the oil ducts are arranged in the hydraulic valve block, the oil ducts comprise an oil inlet duct, an energy accumulator liquid-charging duct, a valve block oil return duct, an oil discharge duct, a pilot oil duct and an energy accumulator oil outlet duct, the top end of the oil inlet duct is provided with an oil inlet port, the top end of the energy accumulator liquid-charging duct is provided with a first oil port for connecting an energy accumulator, the top end of the pilot oil duct is provided with a third oil port for providing pilot pressure oil for a power system of an injection machine, the top end of the energy accumulator oil outlet duct is provided with a fourth oil port for outputting S swing pipe reversing pressure oil, the oil discharge duct is communicated with the valve block oil return duct, the high-pressure ball valve is arranged at the top end of the oil discharge duct, and the top end of the valve block oil return duct is provided with a second oil port, the oil pressure releasing device is used for oil discharging of the energy accumulator valve block, has a compact structure, and is convenient to release the oil pressure of the energy accumulator valve block during maintenance.

Description

Energy accumulator valve block

Technical Field

The utility model belongs to the technical field of hydraulic systems, and particularly relates to an energy accumulator valve block.

Background

Along with the frequent highway engineering construction in China, the technical requirement on the highway construction is continuously improved, the tunnel concrete spraying technology is a basic condition for ensuring the safety of the tunnel engineering construction, the quality of wet-sprayed concrete is easy to control, the dust and resilience amount in the spraying process are less, the defects of the conventional dry spraying technology can be greatly improved by adopting the wet spraying technology, and the wet-spraying technology is very suitable for being applied to large-section extra-long highway tunnels and is a construction method widely adopted in tunnel construction.

The wet concrete sprayer has the characteristics of advanced technology, reasonable structure, convenient operation and maintenance, long service life and the like, is widely suitable for the concrete spraying construction operation of tunnels, culverts, subways, hydroelectric projects, underground projects and coal mine and marsh gas mine tunnels, adopts an S swing pipe reversing system, adopts an energy accumulator to supply oil for quickly reversing a reversing oil cylinder, is difficult to machine a traditional energy accumulator valve block, has heavier mass and large volume, is inconvenient to release the pressure of the energy accumulator when the energy accumulator is maintained, and is easy to hurt people due to high pressure of a pipeline when the energy accumulator valve block is disassembled and maintained.

Therefore, how to provide an accumulator valve block which has compact structure, light weight and small volume and is convenient for releasing pressure during maintenance becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy accumulator valve block, in particular to a hydraulic valve block which is reasonable in structure, convenient to install and convenient to process.

In order to achieve the purpose, the utility model discloses an energy accumulator valve block, which comprises a hydraulic valve block and a high-pressure ball valve, wherein a plurality of oil ducts and a plurality of oil ports communicated with the oil ducts are arranged in the hydraulic valve block, each oil duct comprises an oil inlet duct, an energy accumulator liquid-charging duct, a valve block oil return duct, an oil discharge duct, a pilot oil duct and an energy accumulator oil outlet duct, and each oil port comprises an oil inlet port, a first oil port, a second oil port, a third oil port and a fourth oil port;

the energy accumulator oil charging passage, the pilot oil passage and the energy accumulator oil outlet passage are respectively communicated with the oil inlet passage, the top end of the oil inlet passage is provided with an oil inlet, the top end of the energy accumulator oil charging passage is provided with a first oil port for connecting an energy accumulator, the top end of the pilot oil passage is provided with a third oil port for providing pilot pressure oil for a power system of the injection machine, the top end of the energy accumulator oil outlet passage is provided with a fourth oil port for outputting S-shaped swing pipe reversing pressure oil, the oil discharge passage is communicated with a valve block oil return passage, the high-pressure ball valve is arranged at the top end of the oil discharge passage, and the top end of the valve block oil return passage is provided with a second oil port for discharging the energy accumulator valve block.

Furthermore, the hydraulic control system further comprises an overflow valve mounting port, the overflow valve mounting port is arranged at the back of the hydraulic valve block and communicated with the oil return channel, and the overflow valve mounting port is provided with a plug-in type overflow valve.

Furthermore, the pore passage of each oil port is a straight hole.

Further, the oil inlet joint is installed to the oil inlet port, energy storage ware pipeline joint is installed to first hydraulic fluid port, the oil return joint is installed to the second hydraulic fluid port, the guide pressure connects is installed to the third hydraulic fluid port, high pressure oil outlet joint is installed to the fourth hydraulic fluid port.

Furthermore, the hydraulic valve block is of a cuboid structure.

Further, the oil inlet is arranged at the bottom end of the hydraulic valve block.

Further, the first oil port and the second oil port are arranged on the left side face of the hydraulic valve block.

Further, the fourth oil port is arranged on the right side face of the hydraulic valve block.

Further, the third oil port is arranged at the front end of the hydraulic valve block.

Furthermore, the hydraulic valve further comprises a fixing threaded hole, and the fixing threaded hole is formed in the surface of the hydraulic valve block.

The utility model has simple structure, compact structure of the accumulator valve block, small volume and light weight. The hydraulic valve block is not provided with inclined holes and deep holes which are difficult to process, the processing aperture is matched with the flow of hydraulic oil, and each interface is conveniently connected with a pipeline; the hydraulic valve block adopts a plug-in type overflow valve, so that the installation space is greatly saved, the position of an adjusting knob of the overflow valve is reasonable, the operation is convenient, a high-pressure ball valve is designed on the valve block, so that the pressure of an energy accumulator is released when the valve block is maintained, and a pilot oil port for supplying other hydraulic systems is designed on the valve block, so that pilot pressure oil is provided for the work of other hydraulic systems.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a hydraulic schematic of the present invention.

Wherein, 1, a hydraulic valve block; 2. a plug-in overflow valve; 3. a high pressure ball valve; 4. an accumulator pipe joint; 5. a pilot pressure joint; 6. an oil inlet joint; 7. an oil return joint; 8. a high pressure oil outlet joint; 9. and fixing the threaded hole.

Detailed Description

To achieve the above objects and advantages, the present invention provides a technical means and a structure thereof, which are described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be noted that the terms, "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention, and those skilled in the art can specifically understand the specific meaning of the terms in the present invention.

Example 1

As shown in fig. 1-3, the utility model provides an energy accumulator valve block, which comprises a hydraulic valve block 1, a plug-in overflow valve 2, a high-pressure ball valve 3, an energy accumulator pipeline joint 4, a pilot pressure joint 5, an oil inlet joint 6, an oil return joint 7 and a high-pressure oil outlet joint 8.

In consideration of reasonable structure and processing manufacturability of the valve block, the hydraulic valve block 1 is of a cuboid structure, a fixing threaded hole 9 is formed in the surface of the hydraulic valve block, and the hydraulic valve block is convenient to fix; the top end of the oil inlet duct is provided with an oil inlet port which is positioned at the bottom end of the hydraulic valve block 1, the oil inlet port is screwed with an oil inlet joint 6, the top end of the liquid charging duct of the energy accumulator is provided with a first oil port which is arranged at the left side surface of the hydraulic valve block 1, the first oil port is screwed with an energy accumulator pipeline joint 4 for connecting the energy accumulator by a pipeline, the top end of the pilot oil duct is provided with a third oil port which is arranged at the front end of the hydraulic valve block 1, the third oil port is screwed with a pilot pressure joint 5 for providing pilot pressure oil for other hydraulic systems such as a power system, the top end of the oil outlet duct of the energy accumulator is provided with a fourth oil port which is positioned at the right side surface of the hydraulic valve block 1, the fourth oil port is screwed with a high-pressure oil outlet joint 8 for outputting S swing pipe reversing pressure oil, the oil return duct is communicated with the oil duct of the valve block, the high-pressure ball valve 3 is arranged at the top end of the oil outlet duct, the energy accumulator pressure is conveniently released during maintenance, the valve block oil return pipeline is provided with an overflow valve mounting port, the overflow valve mounting port is located at the back of the hydraulic valve block 1, a plug-in type overflow valve 2 is inserted in the overflow valve mounting port, the mounting space of the energy accumulator valve block is greatly saved by adopting the plug-in type overflow valve 2, a second oil port is formed in the top end of the valve block oil return oil duct, the second oil port is located on the left side face of the hydraulic valve block 1 and is screwed with an oil return joint 7 for oil unloading of the energy accumulator valve block, and oil is unloaded from the valve block oil return pipeline through the second oil port after the charging pressure reaches the set pressure of the plug-in type overflow valve 2.

When the valve block hydraulic system works, high-pressure oil enters the hydraulic valve block 1 from the oil inlet, and the high-pressure oil fills the accumulator from the first oil port through the accumulator liquid filling oil passage; discharging oil from the oil duct through the second oil port after the liquid charging pressure reaches the set pressure of the plug-in overflow valve; meanwhile, the third oil port outputs high-pressure oil to supply other hydraulic systems such as a power system and the like to work; when the S swing pipe starts to act, because of the existence of the energy accumulator, when the swing cylinder acts, the energy accumulator releases pressure oil to complete reversing action. When the maintenance is needed, the pressure of the energy accumulator can be released by opening the high-pressure ball valve 3 to ensure that the system has no high-pressure oil so as to avoid the high pressure injury in the pipeline when the pipeline is dismounted in an overhauling way.

The accumulator valve block of the utility model has the advantages that: 1. the allowed flow is large, and the flow valve is a large flow valve; 2. the structure is compact, the volume is small, the weight is light, the processing is convenient, and the space and the wall thickness of each pore channel are reasonable; 3. the sealing performance is good, and the internal leakage is less; 4. the reversing oil supply speed is high.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The energy accumulator valve block is characterized by comprising a hydraulic valve block and a high-pressure ball valve, wherein a plurality of oil ducts and a plurality of oil ports communicated with the oil ducts are arranged in the hydraulic valve block, each oil duct comprises an oil inlet oil duct, an energy accumulator liquid-charging oil duct, a valve block oil return oil duct, an oil discharge oil duct, a pilot oil duct and an energy accumulator oil outlet oil duct, and each oil port comprises an oil inlet port, a first oil port, a second oil port, a third oil port and a fourth oil port;

the energy accumulator oil charging passage, the pilot oil passage and the energy accumulator oil outlet passage are respectively communicated with the oil inlet passage, the top end of the oil inlet passage is provided with an oil inlet port, the top end of the energy accumulator oil charging passage is provided with a first oil port for connecting an energy accumulator, the top end of the pilot oil passage is provided with a third oil port for providing pilot pressure oil for a power system of the injection machine, the top end of the energy accumulator oil outlet passage is provided with a fourth oil port for outputting S swing pipe reversing pressure oil, the oil outlet passage is communicated with a valve block oil return passage, the high-pressure ball valve is arranged at the top end of the oil outlet passage, and the top end of the valve block oil return passage is provided with a second oil port for discharging the energy accumulator valve block.

2. The accumulator valve block of claim 1, further comprising an overflow valve mounting port, the overflow valve mounting port being disposed at a back of the hydraulic valve block, the overflow valve mounting port being in communication with the oil discharge gallery, the overflow valve mounting port being fitted with a cartridge overflow valve.

3. The accumulator valve block of claim 1, wherein the bore of each oil port is a straight bore.

4. The accumulator valve block of claim 1, wherein the oil inlet port is mounted with an oil inlet joint, the first oil port is mounted with an accumulator pipeline joint, the second oil port is mounted with an oil return joint, the third oil port is mounted with a pilot pressure joint, and the fourth oil port is mounted with a high pressure oil outlet joint.

5. The accumulator valve block of claim 1, wherein the hydraulic valve block is a rectangular parallelepiped structure.

6. The accumulator valve block of claim 1, wherein the oil inlet is disposed at a bottom end of the hydraulic valve block.

7. The accumulator valve block of claim 1, wherein the first and second ports are disposed on a left side of the hydraulic valve block.

8. The accumulator valve block of claim 1, wherein the fourth port is disposed on a right side of the hydraulic valve block.

9. The accumulator valve block of claim 1, wherein the third port is disposed at a front end of the hydraulic valve block.

10. The accumulator valve block of claim 1, further comprising a threaded anchor hole disposed in a surface of the hydraulic valve block.