CN204961426U

CN204961426U - Special valve unit in station is pressed to dual hydraulic system lifting mechanism hydrodynamic

Info

Publication number: CN204961426U
Application number: CN201520510975.9U
Authority: CN
Inventors: 罗铁云; 陈小平
Original assignee: Shaoyang Minghua Hydraulic Valve Co Ltd
Current assignee: Shaoyang Minghua Hydraulic Valve Co Ltd
Priority date: 2015-07-15
Filing date: 2015-07-15
Publication date: 2016-01-13
Anticipated expiration: 2025-07-15

Abstract

The utility model discloses a special valve unit in station is pressed to dual hydraulic system lifting mechanism hydrodynamic, it is by electric contact pressure gauge, the manometer, the oil circuit piece, the sensor connects, oil circuit piece overflow valve, the relief pressure valve, go up magenetic exchange valve, well magenetic exchange valve, lower magenetic exchange valve, board -like orientation combination valve, gu oil pipe is connected to a section of thick bamboo, the front end promptly returns oil pipe, oil pipe is connected to the section of thick bamboo of living, left side oil circuit piece returns oil pipe, oil pipe is promptly returned to the rear end, right side oil circuit piece returns oil pipe, bayonet orientation combination valve valves is formed, the oil circuit piece that this special valve unit in station is pressed to dual hydraulic system lifting mechanism hydrodynamic was equipped with is in the same place the hydraulic pressure oil circuit set of dispersion and is controlled hydraulic oil work, the board -like orientation combination valve of design can be realized carrying out the function that the orientation was adjusted to hydraulic oil, the positive counterflow of hydraulic oil can be realized blocking by the board -like combination valve steel ball of design to change the oil circuit, ensure the working vitals in hydraulic pressure station.

Description

A kind of double hydraulic system elevation scheme brake hydraulic station control valve special group

technical field:

The utility model relates to lift technical field, specifically a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group.

background technique:

Hydraulic station is the hydraulic power device be made up of oil hydraulic pump, driving motor, fuel tank, directional control valve, throttle valve, relief valve etc. or the hydraulic pressure installation comprising control valve; By the flow direction of drive unit requirement, pressure and flow fuel feeding, what be applicable to that drive unit is separated with hydraulic station is mechanically various, and be connected with oil pipe with drive unit (oil cylinder or motor) by hydraulic station, hydraulic system can realize the action of various regulation; Power is become another kind of form from a kind of formal transformation by the main task of hydraulic system exactly; Generally that can meet the equipment such as winch, lift, belt comveyer to the requirement of braking system, compact structure, floor space is little, and efficiency is high for big-and-middle-sized industrial mechanical movement provides the electromechanical assembly of lubrication, power; Double hydraulic system elevation scheme brake hydraulic station control valve special group is combined with two Oil pump electrical machineries; make it still can keep normal work when some Oil pump electrical machineries damage; possess that do not shut down just can the performance of inspection and maintenance; add new reasonable structural design; hydraulic station is made to be provided with good usability, efficient operational reliability, each parts perfect cooperation cooperation of hydraulic station; equipment is just made to run well, so any one parts is all extremely important.

summary of the invention:

The purpose of this utility model is the function in order to realize being convenient in hydraulic transmission process controlling fluid pressure, flow and direction, provides a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group.

The utility model adopts following technological scheme to realize its goal of the invention: a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group, it is by pressure gauge with electric contact 1, pressure gauge 2, manifold block 3, sensor connector 4, manifold block relief valve 5, reduction valve 6, upper solenoid directional control valve 7, middle solenoid directional control valve 8, lower solenoid directional control valve 9, board-like directional combination valve 10, Gu cylinder connected pipes 11, the urgent return tube 12 in front end, cylinder connected pipes 13 alive, left manifold block return tube 14, the urgent return tube 15 in rear end, right manifold block return tube 16, plug-in type directional combination valve valve group 17 forms, pressure gauge with electric contact 1 and pressure gauge 2 are located at manifold block 3 top right side, sensor connector 4 is located at manifold block 3 top left side, two manifold block relief valves 5 are located at manifold block 3 top side by side, reduction valve 6, upper solenoid directional control valve 7, middle solenoid directional control valve 8, lower solenoid directional control valve 9 are all respectively provided with one in manifold block 3 left and right sides, two board-like directional combination valves 10 are all located on front side of manifold block 3 with the urgent return tube 12 in front end, Gu cylinder connected pipes 11 is each passed through two board-like directional combination valves 10 with cylinder connected pipes 13 of living, left manifold block return tube 14, the urgent return tube in rear end 15 are all located at bottom manifold block 3 with right manifold block return tube 16, plug-in type directional combination valve valve group 17 is located on front side of manifold block 3, accumulator 18 is located on rear side of manifold block 3.

The utility model, in order to the function of each component working of Comprehensive Control that realizes the hydraulic circuit of dispersion to gather together, is provided with manifold block 3, and is provided with sensor connector mounting hole 3-1 thereon, left manifold block relief valve oil inlet hole 3-2, left manifold block relief valve spill port 3-3, left manifold block relief valve mounting hole 3-4, left relief valve oil inlet hole intercommunicating pore 3-5, left manifold block spill port intercommunicating pore 3-6, right manifold block spill port intercommunicating pore 3-7, the left attachment hole 3-8 of left board-like combination brake switch and proporting, board-like directional combination valve mating hole 3-9, lower-left selector valve oil outlet intercommunicating pore 3-10, the right attachment hole 3-11 of left board-like combination brake switch and proporting, rear is to combination brake switch and proporting mounting hole 3-12, the urgent spill port 3-13 in front end, the right attachment hole 3-14 of right panel formula combination brake switch and proporting, right selector valve oil outlet intercommunicating pore 3-15, the left attachment hole 3-16 of right panel formula combination brake switch and proporting, left combination brake switch and proporting right attachment hole intercommunicating pore 3-17, right solenoid directional control valve mounting hole 3-18, bottom right selector valve oil inlet hole 3-19, bottom right selector valve spill port 3-20, bottom right selector valve oil outlet 3-21, right manifold block oil inlet hole intercommunicating pore 3-22, right selector valve oil inlet hole 3-23, the right oil outlet 3-24 of right selector valve, the left oil outlet 3-25 of right selector valve, upper right selector valve spill port 3-26, upper right selector valve oil outlet 3-27, right reduction valve oil outlet 3-28, right reduction valve oil inlet hole 3-29, right reduction valve spill port 3-30, right reduction valve mounting hole 3-31, front is to combination brake switch and proporting mounting hole intercommunicating pore 3-32, pressure gauge with electric contact mounting hole intercommunicating pore 3-33, pressure gauge with electric contact mounting hole 3-34, pressure gauge mounting hole intercommunicating pore 3-35, rear is to combination brake switch and proporting mounting hole intercommunicating pore 3-36, pressure gauge mounting hole 3-37, right manifold block relief valve oil inlet hole 3-38, right manifold block oil inlet hole 3-39, right manifold block spill port 3-40, right manifold block relief valve spill port 3-41, left manifold block oil inlet hole 3-42, left manifold block spill port 3-43, right technique intercommunicating pore 3-44, right return tube attachment hole 3-45, the urgent spill port 3-46 in bottom, left return tube attachment hole 3-47, left technique intercommunicating pore 3-48, left oil inlet pipe attachment hole intercommunicating pore 3-49, lower-left selector valve oil outlet 3-50, lower-left selector valve spill port 3-51, manifold block mounting hole 3-52, right combination brake switch and proporting right attachment hole intercommunicating pore 3-53, left solenoid directional control valve mounting hole 3-54, lower-left selector valve oil inlet hole 3-55, the left oil outlet 3-56 of left selector valve, left selector valve oil inlet hole 3-57, upper left selector valve oil inlet hole 3-58, upper left selector valve spill port 3-59, left solenoid directional control valve mounting hole 3-60, left reduction valve oil outlet 3-61, left reduction valve spill port 3-62, left reduction valve oil inlet hole 3-63, sensor connector mounting hole intercommunicating pore 3-64, the right oil outlet 3-65 of left selector valve, upper left manifold block oil inlet hole intercommunicating pore 3-66, left manifold block oil inlet pipe attachment hole 3-67, left accumulator mounting hole 3-68, front is to combination brake switch and proporting mounting hole 3-69, lower-left manifold block oil inlet hole intercommunicating pore 3-70, right accumulator mounting hole 3-71, right manifold block oil inlet pipe attachment hole 3-72, right manifold block oil inlet hole intercommunicating pore 3-73, sensor connector mounting hole 3-1, left manifold block relief valve oil inlet hole 3-2, left manifold block relief valve spill port 3-3, left manifold block relief valve mounting hole 3-4, pressure gauge with electric contact mounting hole 3-34, pressure gauge mounting hole intercommunicating pore 3-35, rear is to combination brake switch and proporting mounting hole intercommunicating pore 3-36, pressure gauge mounting hole 3-37, right manifold block relief valve oil inlet hole 3-38, right manifold block oil inlet hole 3-39, right manifold block spill port 3-40, right manifold block relief valve spill port 3-41, left manifold block oil inlet hole 3-42, left manifold block spill port 3-43 is located at the top of manifold block 3, left relief valve oil inlet hole intercommunicating pore 3-5, left manifold block spill port intercommunicating pore 3-6, right manifold block spill port intercommunicating pore 3-7, the left attachment hole 3-8 of left board-like combination brake switch and proporting, board-like directional combination valve mating hole 3-9, lower-left selector valve oil outlet intercommunicating pore 3-10, the right attachment hole 3-11 of left board-like combination brake switch and proporting, rear is to combination brake switch and proporting mounting hole 3-12, the urgent spill port 3-13 in front end, the right attachment hole 3-14 of right panel formula combination brake switch and proporting, right selector valve oil outlet intercommunicating pore 3-15, the left attachment hole 3-16 of right panel formula combination brake switch and proporting is located at the front side of manifold block 3, left combination brake switch and proporting right attachment hole intercommunicating pore 3-17, right solenoid directional control valve mounting hole 3-18, bottom right selector valve oil inlet hole 3-19, bottom right selector valve spill port 3-20, bottom right selector valve oil outlet 3-21, right manifold block oil inlet hole intercommunicating pore 3-22, right selector valve oil inlet hole 3-23, the right oil outlet 3-24 of right selector valve, the left oil outlet 3-25 of right selector valve, upper right selector valve spill port 3-26, upper right selector valve oil outlet 3-27, right reduction valve oil outlet 3-28, right reduction valve oil inlet hole 3-29, right reduction valve spill port 3-30, right reduction valve mounting hole 3-31, front is to combination brake switch and proporting mounting hole intercommunicating pore 3-32, pressure gauge with electric contact mounting hole intercommunicating pore 3-33 is located at the right side of manifold block 3, right technique intercommunicating pore 3-44, right return tube attachment hole 3-45, bottom urgent spill port 3-46, left return tube attachment hole 3-47, left technique intercommunicating pore 3-48, manifold block mounting hole 3-52 are located at the bottom of manifold block 3, lower-left selector valve oil outlet 3-50, lower-left selector valve spill port 3-51, right combination brake switch and proporting right attachment hole intercommunicating pore 3-53, left solenoid directional control valve mounting hole 3-54, lower-left selector valve oil inlet hole 3-55, the left oil outlet 3-56 of left selector valve, left selector valve oil inlet hole 3-57, upper left selector valve oil inlet hole 3-58, upper left selector valve spill port 3-59, left solenoid directional control valve mounting hole 3-60, left reduction valve oil outlet 3-61, left reduction valve spill port 3-62, left reduction valve oil inlet hole 3-63, sensor connector mounting hole intercommunicating pore 3-64 is located at the left side of manifold block 3, left selector valve right oil outlet 3-65, upper left manifold block oil inlet hole intercommunicating pore 3-66, left manifold block oil inlet pipe attachment hole 3-67, left accumulator mounting hole 3-68, front are located at the rear side of manifold block 3 to combination brake switch and proporting mounting hole 3-69, lower-left manifold block oil inlet hole intercommunicating pore 3-70, right accumulator mounting hole 3-71, right manifold block oil inlet pipe attachment hole 3-72, right manifold block oil inlet hole intercommunicating pore 3-73.

The utility model, in order to realize function hydraulic oil being realized to direction adjustment, is provided with board-like directional combination valve 10, and is provided with board-like directional combination valve body 10-1, board-like directional combination valve core 10-2 thereon; Board-like directional combination valve body 10-1 is the structure forming board-like directional combination valve 10; Board-like directional combination valve core 10-2 is fixed on the right side of it through board-like directional combination valve body 10-1 inside.

The utility model, in order to realize the function being convenient to change oil circuit, is provided with board-like combination brake switch and proporting steel ball 10-8; It is inner that board-like combination brake switch and proporting steel ball 10-8 is located at board-like directional combination valve body 10-1.

The utility model, in order to realize the pressure of control liquid or change its flow and flow direction, is provided with plug-in type directional combination valve valve group 17, which is provided with plug-in type directional combination valve 17-1, plug-in type directional combination valve plug 17-2; The set composition plug-in type directional combination valve valve group 17 of plug-in type directional combination valve 17-1; Plug-in type directional combination valve plug 17-2 is located at plug-in type directional combination valve 17-1 one end.

Realize its goal of the invention preferably owing to have employed above technology the utility model, the manifold block that this double hydraulic system elevation scheme brake hydraulic station control valve special group is provided with the hydraulic circuit of dispersion is gathered together hydraulic control oil work; The board-like directional combination valve of design can realize function hydraulic oil being carried out to direction adjustment; The board-like combination brake switch and proporting steel ball of design can realize the forward and reverse flowing blocking hydraulic oil, thus changes oil circuit, is the vitals ensureing that hydraulic station runs well.

accompanying drawing illustrates:

Accompanying drawing 1 is overall structure schematic diagram of the present utility model.

Accompanying drawing 2 is structural representations of the utility model mark 3.

Accompanying drawing 3 is structural representations of the utility model mark 3.

Accompanying drawing 4 is structural representations of the utility model mark 10.

Accompanying drawing 5 is cross-sectional view of the utility model mark 10.

Accompanying drawing 6 is structural representations of the utility model mark 10-1.

Accompanying drawing 7 is structural representations of the utility model mark 10-1.

Accompanying drawing 8 is cross-sectional view of the utility model mark 10-1.

Accompanying drawing 9 is structural representations of the utility model mark 10-2.

Accompanying drawing 10 is cross-sectional view of the utility model mark 10-2.

Accompanying drawing 11 is structural representations of the utility model mark 17.

Accompanying drawing 12 is structural representations of the utility model mark 17-1.

Accompanying drawing 13 is cross-sectional view of the utility model mark 17-1.

Accompanying drawing 14 is structural representations of the utility model mark 17-3.

Accompanying drawing 15 is cross-sectional view of the utility model mark 17-3.

Accompanying drawing 16 is structural representations of the utility model mark 17-4.

Accompanying drawing 17 is cross-sectional view of the utility model mark 17-4.

Description of reference numerals is shown in specification last page form.

embodiment:

Below in conjunction with accompanying drawing, summary of the invention is described further:

embodiment 1:

From summary of the invention: a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group, it is made up of pressure gauge with electric contact 1, pressure gauge 2, manifold block 3, sensor connector 4, manifold block relief valve 5, reduction valve 6, upper solenoid directional control valve 7, middle solenoid directional control valve 8, lower solenoid directional control valve 9, board-like directional combination valve 10, solid cylinder connected pipes 11, the urgent return tube in front end 12, cylinder connected pipes 13 of living, left manifold block return tube 14, the urgent return tube in rear end 15, right manifold block return tube 16, plug-in type directional combination valve valve group 17; Pressure gauge with electric contact 1 and pressure gauge 2 are located at manifold block 3 top right side; Sensor connector 4 is located at manifold block 3 top left side; Two manifold block relief valves 5 are located at manifold block 3 top side by side; Reduction valve 6, upper solenoid directional control valve 7, middle solenoid directional control valve 8, lower solenoid directional control valve 9 are all respectively provided with one in manifold block 3 left and right sides; Two board-like directional combination valves 10 are all located on front side of manifold block 3 with the urgent return tube 12 in front end; Gu cylinder connected pipes 11 is each passed through two board-like directional combination valves 10 with cylinder connected pipes 13 of living; Left manifold block return tube 14, the urgent return tube in rear end 15 are all located at bottom manifold block 3 with right manifold block return tube 16; Plug-in type directional combination valve valve group 17 is located on front side of manifold block 3; Accumulator 18 is located on rear side of manifold block 3.

Pressure gauge with electric contact 1 described in the utility model refers to: pressure gauge with electric contact; Its effect realizes automatically controlling and transmitting warning through pressure gauge with electric contact 1 to the hydraulic oil of tested hydraulic station pressure; Its design attitude is as marked shown in 1 in accompanying drawing 1.

Pressure gauge 2 described in the utility model refers to: pressure gauge; Hydraulic station hydraulic pressure is measured in its effect; Its design attitude is as marked shown in 2 in accompanying drawing 1.

Manifold block 3 described in the utility model refers to: a square of hydraulic control oil work; Its effect is the aggregate that the hydraulic circuit of dispersion gathers together; Its structure is as shown in accompanying drawing 2,3, and its design attitude is as marked shown in 3 in accompanying drawing 1.

Sensor connector 4 described in the utility model refers to: sensor connector; Its effect facilitates wiring, converts the change of various thing positions parameter to standard current signal, and teletransmission, to operating control room, is carried out centralized displaying, warning or automatically controls; Its design attitude is as marked shown in 4 in accompanying drawing 1.

Manifold block relief valve 5 described in the utility model refers to: manifold block relief valve, and its effect is that a main level pressure overflow, voltage stabilizing, system unloaded and safety protection are done in hydraulic equipment; Its design attitude is as marked shown in 5 in accompanying drawing 1.

Reduction valve 6 described in the utility model refers to: reduction valve; Its effect is by regulating, inlet pressure being reduced to the outlet pressure of a certain needs, and rely on the energy of medium itself, make the valve that outlet pressure keeps stable automatically; Its design attitude is as marked shown in 6 in accompanying drawing 1.

Upper solenoid directional control valve 7 described in the utility model refers to: the solenoid directional control valve that position is top; Its effect is the conversion relative working position of spool in valve body, makes each hydraulic fluid port of valve body be communicated with or disconnect, thus the commutation of hydraulic control executive component or start and stop; Its design attitude is as marked shown in 7 in accompanying drawing 1.

Middle solenoid directional control valve 8 described in the utility model refers to: position lean in solenoid directional control valve; Its effect is the conversion relative working position of spool in valve body, makes each hydraulic fluid port of valve body be communicated with or disconnect, thus the commutation of hydraulic control executive component or start and stop; Its design attitude is as marked shown in 8 in accompanying drawing 1.

Lower solenoid directional control valve 9 described in the utility model refers to: position solenoid directional control valve on the lower; Its effect is the conversion relative working position of spool in valve body, makes each hydraulic fluid port of valve body be communicated with or disconnect, thus the commutation of hydraulic control executive component or start and stop; Its design attitude is as marked shown in 9 in accompanying drawing 1.

Board-like directional combination valve 10 described in the utility model refers to: be contained in the board-like directional combination valve on riser, which is provided with board-like directional combination valve body 10-1, board-like directional combination valve core 10-2; Its effect carries out direction to hydraulic oil to regulate; Its structure is as shown in accompanying drawing 4,5, and its design attitude is as marked shown in 10 in accompanying drawing 1.

Solid cylinder connected pipes 11 described in the utility model refers to: fixing connected pipes; Its effect makes hydraulic oil enter oil cylinder; Its design attitude is as marked shown in 11 in accompanying drawing 1.

The urgent return tube in front end described in the utility model 12 refers to: the urgent return tube in front end; Its effect is equipment when there is emergency, the front-end pipelines of Ethylene recov force feed; Its design attitude is as marked shown in 12 in accompanying drawing 1.

Cylinder connected pipes 13 alive described in the utility model refers to: can the cylinder connected pipes alive of dismounting flexibly; Its effect makes the hydraulic oil in oil cylinder pass back into fuel tank; Its design attitude is as marked shown in 13 in accompanying drawing 1.

Left manifold block return tube 14 described in the utility model refers to: the manifold block return tube being located at the left side; Its effect connects cylinder connected pipes 13 of living, and makes hydraulic oil enter fuel tank; Its design attitude is as marked shown in 14 in accompanying drawing 1.

The urgent return tube in rear end described in the utility model 15 refers to: the urgent return tube in rear end; Its effect is equipment when there is emergency, the rear end pipeline of Ethylene recov force feed; Its design attitude is as marked shown in 15 in accompanying drawing 1.

Right manifold block return tube 16 described in the utility model refers to: the manifold block return tube being located at the right; Its effect connects cylinder connected pipes 13 of living, and makes hydraulic oil enter fuel tank; Its design attitude is as marked shown in 16 in accompanying drawing 1.

Plug-in type directional combination valve valve group 17 described in the utility model refers to: the combination of plug-in type directional combination valve; Which is provided with plug-in type directional combination valve 17-1, plug-in type directional combination valve plug 17-2; Its effect is the pressure of control liquid or changes its flow and flow direction; As shown in Figure 11, its design attitude is as marked shown in 17 in accompanying drawing 1 for its structure.

Accumulator 18 described in the utility model refers to: a kind of energy savings device in hydropneumatic system; Its effect is that to be in due course the energy conversion in system be that compression energy or potential energy store, when system needs, again compression energy or potential energy changed into the energy such as hydraulic pressure or air pressure and discharge, again supply system is mended, when system instantaneous pressure increases, it can absorb this part energy, normal to ensure whole system pressure; Its design attitude is as marked shown in 18 in accompanying drawing 1.

embodiment 2:

Sensor connector mounting hole 3-1 described in the utility model refers to: sensor connector mounting hole; Its effect is the installation for sensor connector; Its design attitude is as marked shown in 3-1 in accompanying drawing 2.

Left manifold block relief valve oil inlet hole 3-2 described in the utility model refers to: left manifold block relief valve oil inlet hole; Its effect is the installation of oil passage block relief valve oil inlet pipe; Its design attitude is as marked shown in 3-2 in accompanying drawing 2.

Left manifold block relief valve spill port 3-3 described in the utility model refers to: left manifold block relief valve spill port; Its effect is the installation of oil passage block relief valve return tube; Its design attitude is as marked shown in 3-3 in accompanying drawing 2.

Left manifold block relief valve mounting hole 3-4 described in the utility model refers to: left manifold block relief valve mounting hole; Its effect is the installation for left manifold block relief valve; Its design attitude is as marked shown in 3-4 in accompanying drawing 2.

Left relief valve oil inlet hole intercommunicating pore 3-5 described in the utility model refers to: left relief valve oil inlet hole intercommunicating pore; Its effect is being communicated with for left relief valve oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-5 in accompanying drawing 2.

Left manifold block spill port intercommunicating pore 3-6 described in the utility model refers to: left manifold block spill port intercommunicating pore; Its effect is being communicated with for left manifold block return tube and other pipes; Its design attitude is as marked shown in 3-6 in accompanying drawing 2.

Right manifold block spill port intercommunicating pore 3-7 described in the utility model refers to: right manifold block spill port intercommunicating pore; Its effect is being communicated with for right manifold block return tube and other pipes; Its design attitude is as marked shown in 3-7 in accompanying drawing 2.

The board-like combination brake switch and proporting in a left side described in the utility model left attachment hole 3-8 refers to: the left attachment hole of left board-like combination brake switch and proporting; Its effect is for the oil pipe on the left board-like combination brake switch and proporting left side and being communicated with of other pipes; Its design attitude is as marked shown in 3-8 in accompanying drawing 2.

Board-like directional combination valve mating hole 3-9 described in the utility model refers to: board-like directional combination valve mating hole; Its effect is the installation for board-like directional combination valve; Its design attitude is as marked shown in 3-9 in accompanying drawing 2.

Lower-left selector valve oil outlet intercommunicating pore 3-10 described in the utility model refers to: lower-left selector valve oil outlet intercommunicating pore; Its effect is being communicated with for lower-left selector valve oil outlet tube and other pipes; Its design attitude is as marked shown in 3-10 in accompanying drawing 2.

The board-like combination brake switch and proporting in a left side described in the utility model right attachment hole 3-11 refers to: the right attachment hole of left board-like combination brake switch and proporting; Its effect is being communicated with for the oil pipe on the right of left board-like combination brake switch and proporting and other pipes; Its design attitude is as marked shown in 3-11 in accompanying drawing 2.

Rear described in the utility model refers to combination brake switch and proporting mounting hole 3-12: rear is to combination brake switch and proporting mounting hole; Its effect is for the installation of rear to combination brake switch and proporting; Its design attitude is as marked shown in 3-12 in accompanying drawing 2.

Front end described in the utility model urgent spill port 3-13 refers to: the urgent spill port in front end; Its effect is the installation for the urgent return tube in front end; Its design attitude is as marked shown in 3-13 in accompanying drawing 2.

Right panel formula combination brake switch and proporting described in the utility model right attachment hole 3-14 refers to: the right attachment hole of right panel formula combination brake switch and proporting; Its effect be for right panel formula combination brake switch and proporting on the right of being communicated with of oil pipe and other pipes; Its design attitude is as marked shown in 3-14 in accompanying drawing 2.

Right selector valve oil outlet intercommunicating pore 3-15 described in the utility model refers to: right selector valve oil outlet intercommunicating pore; Its effect is being communicated with for right selector valve oil outlet tube and other pipes; Its design attitude is as marked shown in 3-15 in accompanying drawing 2.

The board-like combination brake switch and proporting in a left side described in the utility model left attachment hole 3-16 refers to: the left attachment hole of left board-like combination brake switch and proporting; Its effect is for the oil pipe on the left board-like combination brake switch and proporting left side and being communicated with of other pipes; Its design attitude is as marked shown in 3-16 in accompanying drawing 2.

Left combination brake switch and proporting described in the utility model right attachment hole intercommunicating pore 3-17 refers to: the right attachment hole intercommunicating pore of left combination brake switch and proporting; Its effect is being communicated with for the connected pipes on the right of left combination brake switch and proporting and other pipes; Its design attitude is as marked shown in 3-17 in accompanying drawing 2.

Right solenoid directional control valve mounting hole 3-18 described in the utility model refers to: right solenoid directional control valve mounting hole; Its effect is the installation for right solenoid directional control valve; Its design attitude is as marked shown in 3-18 in accompanying drawing 2.

Bottom right selector valve oil inlet hole 3-19 described in the utility model refers to: bottom right selector valve oil inlet hole; Its effect is the installation for bottom right selector valve oil inlet pipe; Its design attitude is as marked shown in 3-19 in accompanying drawing 2.

Bottom right selector valve spill port 3-20 described in the utility model refers to: bottom right selector valve spill port; Its effect is the installation for bottom right selector valve return tube; Its design attitude is as marked shown in 3-20 in accompanying drawing 2.

Bottom right selector valve oil outlet 3-21 described in the utility model refers to: bottom right selector valve oil outlet; Its effect is the installation for bottom right selector valve oil outlet tube; Its design attitude is as marked shown in 3-21 in accompanying drawing 2.

Right manifold block oil inlet hole intercommunicating pore 3-22 described in the utility model refers to: right manifold block oil inlet hole intercommunicating pore; Its effect is being communicated with for right manifold block oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-22 in accompanying drawing 2.

Right selector valve oil inlet hole 3-23 described in the utility model refers to: right selector valve oil inlet hole; Its effect is the installation for right selector valve oil inlet pipe; Its design attitude is as marked shown in 3-23 in accompanying drawing 2

Right selector valve described in the utility model right oil outlet 3-24 refers to: the right oil outlet of right selector valve; Its effect is the installation for the right oil outlet tube of right selector valve; Its design attitude is as marked shown in 3-24 in accompanying drawing 2.

Right selector valve described in the utility model left oil outlet 3-25 refers to: the left oil outlet of right selector valve; Its effect is the installation for the left oil outlet tube of right selector valve; Its design attitude is as marked shown in 3-25 in accompanying drawing 2.

Upper right selector valve spill port 3-26 described in the utility model refers to: upper right selector valve spill port; Its effect is the installation for upper right selector valve return tube; Its design attitude is as marked shown in 3-26 in accompanying drawing 2.

Upper right selector valve oil outlet 3-27 described in the utility model refers to: upper right selector valve oil outlet; Its effect is the installation for upper right selector valve oil outlet tube; Its design attitude is as marked shown in 3-27 in accompanying drawing 2.

Right reduction valve oil outlet 3-28 described in the utility model refers to: right reduction valve oil outlet; Its effect is the installation for right reduction valve oil outlet tube; Its design attitude is as marked shown in 3-28 in accompanying drawing 2.

Right reduction valve oil inlet hole 3-29 described in the utility model refers to: right reduction valve oil inlet hole; Its effect is the installation for right reduction valve oil inlet pipe; Its design attitude is as marked shown in 3-29 in accompanying drawing 2.

Right reduction valve spill port 3-30 described in the utility model refers to: right reduction valve spill port; Its effect is the installation for right reduction valve return tube; Its design attitude is as marked shown in 3-30 in accompanying drawing 2.

Right reduction valve mounting hole 3-31 described in the utility model refers to: right reduction valve mounting hole; Its effect is the installation for right reduction valve; Its design attitude is as marked shown in 3-31 in accompanying drawing 2.

Front described in the utility model refers to combination brake switch and proporting mounting hole intercommunicating pore 3-32: front is to combination brake switch and proporting mounting hole intercommunicating pore; Its effect is for front being communicated with to combination brake switch and proporting and other pipes; Its design attitude is as marked shown in 3-32 in accompanying drawing 2.

Pressure gauge with electric contact mounting hole intercommunicating pore 3-33 described in the utility model refers to: pressure gauge with electric contact mounting hole intercommunicating pore; Its effect is being communicated with for pressure gauge with electric contact and other pipes; Its design attitude is as marked shown in 3-33 in accompanying drawing 2.

Pressure gauge with electric contact mounting hole 3-34 described in the utility model refers to: pressure gauge with electric contact mounting hole; Its effect is the installation for pressure gauge with electric contact; Its design attitude is as marked shown in 3-34 in accompanying drawing 2.

Pressure gauge mounting hole intercommunicating pore 3-35 described in the utility model refers to: pressure gauge mounting hole intercommunicating pore; Its effect is being communicated with for pressure gauge and other pipes; Its design attitude is as marked shown in 3-35 in accompanying drawing 2.

Rear described in the utility model refers to combination brake switch and proporting mounting hole intercommunicating pore 3-36: rear is to combination brake switch and proporting mounting hole intercommunicating pore; Its effect is for rear being communicated with to combination brake switch and proporting and other pipes; Its design attitude is as marked shown in 3-36 in accompanying drawing 2.

Pressure gauge mounting hole 3-37 described in the utility model refers to: pressure gauge mounting hole; Its effect is for manometric installation; Its design attitude is as marked shown in 3-37 in accompanying drawing 2.

Right manifold block relief valve oil inlet hole 3-38 described in the utility model refers to: right manifold block relief valve oil inlet hole; Its effect is the installation for right manifold block relief valve oil inlet pipe; Its design attitude is as marked shown in 3-38 in accompanying drawing 2.

Right manifold block oil inlet hole 3-39 described in the utility model refers to: right manifold block oil inlet hole; Its effect is the installation for right manifold block oil inlet pipe; Its design attitude is as marked shown in 3-39 in accompanying drawing 2,3.

Right manifold block spill port 3-40 described in the utility model refers to: right manifold block spill port; Its effect is the installation for right manifold block return tube; Its design attitude is as marked shown in 3-40 in accompanying drawing 2.

Right manifold block relief valve spill port 3-41 described in the utility model refers to: right manifold block relief valve spill port; Its effect is the installation for right manifold block relief valve return tube; Its design attitude is as marked shown in 3-41 in accompanying drawing 2.

Left manifold block oil inlet hole 3-42 described in the utility model refers to: left manifold block oil inlet hole; Its effect is the installation for left manifold block oil inlet pipe; Its design attitude is as marked shown in 3-42 in accompanying drawing 2,3.

Left manifold block spill port 3-43 described in the utility model refers to: left manifold block spill port; Its effect is the installation for left manifold block return tube; Its design attitude is as marked shown in 3-43 in accompanying drawing 2.

Right technique intercommunicating pore 3-44 described in the utility model refers to: right technique intercommunicating pore; Its effect is being communicated with for the right auxiliary hole and other pipes; Its design attitude is as marked shown in 3-44 in accompanying drawing 3.

Right return tube attachment hole 3-45 described in the utility model refers to: right return tube attachment hole; Its effect is the connection for the right oil pipe; Its design attitude is as marked shown in 3-45 in accompanying drawing 3.

Bottom described in the utility model urgent spill port 3-46 refers to: the urgent spill port in bottom; Its effect is the connection for the urgent return tube in bottom; Its design attitude is as marked shown in 3-46 in accompanying drawing 3.

Left return tube attachment hole 3-47 described in the utility model refers to: left return tube attachment hole; Its effect is the connection for left side return tube; Its design attitude is as marked shown in 3-47 in accompanying drawing 3.

Left technique intercommunicating pore 3-48 described in the utility model refers to: left technique intercommunicating pore; Its effect is being communicated with for left side auxiliary hole and other pipes; Its design attitude is as marked shown in 3-48 in accompanying drawing 3.

Left oil inlet pipe attachment hole intercommunicating pore 3-49 described in the utility model refers to: left oil inlet pipe attachment hole intercommunicating pore; Its effect is being communicated with for left side oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-49 in accompanying drawing 3.

Lower-left selector valve oil outlet 3-50 described in the utility model refers to: lower-left selector valve oil outlet; Its effect is the installation for lower-left selector valve oil outlet tube; Its design attitude is as marked shown in 3-50 in accompanying drawing 3.

Lower-left selector valve spill port 3-51 described in the utility model refers to: lower-left selector valve spill port; Its effect is the installation for lower-left selector valve return tube; Its design attitude is as marked shown in 3-51 in accompanying drawing 3.

Manifold block mounting hole 3-52 described in the utility model refers to: manifold block mounting hole; Its effect is the installation of oil passage block; Its design attitude is as marked shown in 3-52 in accompanying drawing 3.

Right combination brake switch and proporting described in the utility model right attachment hole intercommunicating pore 3-53 refers to: the right attachment hole intercommunicating pore of right combination brake switch and proporting; Its effect is being communicated with for right combination brake switch and proporting right connecting tube and other pipes; Its design attitude is as marked shown in 3-53 in accompanying drawing 3.

Left solenoid directional control valve mounting hole 3-54 described in the utility model refers to: left solenoid directional control valve mounting hole; Its effect is the installation for left solenoid directional control valve; Its design attitude is as marked shown in 3-54 in accompanying drawing 3.

Lower-left selector valve oil inlet hole 3-55 described in the utility model refers to: lower-left selector valve oil inlet hole; Its effect is the installation for lower-left selector valve oil inlet pipe; Its design attitude is as marked shown in 3-55 in accompanying drawing 3.

Left selector valve described in the utility model left oil outlet 3-56 refers to: the left oil outlet of left selector valve; Its effect is the installation for left selector valve left side oil outlet tube; Its design attitude is as marked shown in 3-56 in accompanying drawing 3.

Left selector valve oil inlet hole 3-57 described in the utility model refers to: left selector valve oil inlet hole; Its effect is the installation for left selector valve oil inlet pipe; Its design attitude is as marked shown in 3-57 in accompanying drawing 3.

Upper left selector valve oil inlet hole 3-58 described in the utility model refers to: upper left selector valve oil inlet hole; Its effect is the installation for upper left selector valve oil inlet pipe; Its design attitude is as marked shown in 3-58 in accompanying drawing 3.

Upper left selector valve spill port 3-59 described in the utility model refers to: upper left selector valve spill port; Its effect is the installation for upper left selector valve return tube; Its design attitude is as marked shown in 3-59 in accompanying drawing 3.

Left solenoid directional control valve mounting hole 3-60 described in the utility model refers to: left solenoid directional control valve mounting hole; Its effect is the installation for left solenoid directional control valve; Its design attitude is as marked shown in 3-60 in accompanying drawing 3.

Left reduction valve oil outlet 3-61 described in the utility model refers to: left reduction valve oil outlet; Its effect is the installation for left reduction valve oil outlet tube; Its design attitude is as marked shown in 3-61 in accompanying drawing 3.

Left reduction valve spill port 3-62 described in the utility model refers to: left reduction valve spill port; Its effect is the installation for left reduction valve return tube; Its design attitude is as marked shown in 3-62 in accompanying drawing 3.

Left reduction valve oil inlet hole 3-63 described in the utility model refers to: left reduction valve oil inlet hole; Its effect is the installation for left reduction valve oil inlet pipe; Its design attitude is as marked shown in 3-63 in accompanying drawing 3.

Sensor connector mounting hole intercommunicating pore 3-64 described in the utility model refers to: sensor connector mounting hole intercommunicating pore; Its effect is being communicated with for sensor connector and other pipes; Its design attitude is as marked shown in 3-64 in accompanying drawing 3.

Left selector valve described in the utility model right oil outlet 3-65 refers to: the right oil outlet of left selector valve; Its effect is the installation for the right oil outlet tube of left selector valve; Its design attitude is as marked shown in 3-65 in accompanying drawing 3.

Upper left manifold block oil inlet hole intercommunicating pore 3-66 described in the utility model refers to: upper left manifold block oil inlet hole intercommunicating pore; Its effect is being communicated with for upper left manifold block oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-66 in accompanying drawing 3.

Left manifold block oil inlet pipe attachment hole 3-67 described in the utility model refers to: left manifold block oil inlet pipe attachment hole; Its effect is being communicated with for left manifold block oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-67 in accompanying drawing 3.

Left accumulator mounting hole 3-68 described in the utility model refers to: left accumulator mounting hole; Its effect is the installation for left accumulator; Its design attitude is as marked shown in 3-68 in accompanying drawing 3.

Front described in the utility model refers to combination brake switch and proporting mounting hole 3-69: front is to combination brake switch and proporting mounting hole; Its effect is for the installation of front to combination brake switch and proporting; Its design attitude is as marked shown in 3-69 in accompanying drawing 3.

Lower-left manifold block oil inlet hole intercommunicating pore 3-70 described in the utility model refers to: lower-left manifold block oil inlet hole intercommunicating pore; Its effect is being communicated with for lower-left manifold block oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-70 in accompanying drawing 3.

Right accumulator mounting hole 3-71 described in the utility model refers to: right accumulator mounting hole; Its effect is the installation for right accumulator; Its design attitude is as marked shown in 3-71 in accompanying drawing 3.

Right manifold block oil inlet pipe attachment hole 3-72 described in the utility model refers to: right manifold block oil inlet pipe attachment hole; Its effect is the hole connected for right manifold block oil inlet pipe; Its design attitude is as marked shown in 3-72 in accompanying drawing 3.

Right manifold block oil inlet hole intercommunicating pore 3-73 described in the utility model refers to: right manifold block oil inlet hole intercommunicating pore; Its effect is being communicated with for right manifold block oil inlet pipe and other pipes; Its design attitude is as marked shown in 3-73 in accompanying drawing 3.

embodiment 3:

Board-like directional combination valve body 10-1 described in the utility model refers to: a main parts size in valve, which is provided with board-like combination brake switch and proporting mounting hole 10-3, board-like combination brake switch and proporting oil outlet 10-4, board-like combination brake switch and proporting spool mounting hole 10-5, board-like combination brake switch and proporting right oil inlet hole 10-6, board-like combination brake switch and proporting left oil inlet hole 10-7, board-like combination brake switch and proporting steel ball 10-8, board-like combination of valve body seal ring 10-9; Its effect controls the direction of fluid, pressure, flow; Its structure is as shown in accompanying drawing 6,7,8, and its design attitude is as marked shown in 10-1 in accompanying drawing 4,5.

Board-like directional combination valve core 10-2 described in the utility model refers to: a main parts size in valve, which is provided with board-like combination brake switch and proporting spool screw thread 10-10, board-like combination brake switch and proporting right oil inlet hole intercommunicating pore 10-11, board-like combination brake switch and proporting oil outlet intercommunicating pore 10-12, board-like combination brake switch and proporting spool small sealing ring 10-13, board-like combination brake switch and proporting spool big sealing ring 10-14; Its effect coordinates the direction of valve body control flow check body, pressure, flow; Its structure is as shown in accompanying drawing 9,10, and its design attitude is as marked shown in 10-2 in accompanying drawing 4,5.

embodiment 4:

Board-like combination brake switch and proporting steel ball 10-8 described in the utility model refers to: the steel ball of board-like combination brake switch and proporting inside; Its effect is the forward and reverse mobile type blocking hydraulic oil; Its design attitude is as marked shown in 10-8 in accompanying drawing 8.

embodiment 5:

Plug-in type directional combination valve 17-1 described in the utility model refers to: plug-in type directional combination valve, which is provided with plug-in type directional combination valve core 17-3, pressure screw rod 17-4; Its effect is the pressure of control liquid or changes its flow and flow direction; Its structure is as shown in accompanying drawing 12,13, and its design attitude is as marked shown in 17-1 in accompanying drawing 11.

Plug-in type directional combination valve plug 17-2 described in the utility model refers to: plug-in type directional combination valve plug; Its effect is that mouth unwanted in pipeline is blocked up, and plays sealing process; Its design attitude is as marked shown in 17-2 in accompanying drawing 11.

Board-like combination brake switch and proporting mounting hole 10-3 described in the utility model refers to: board-like combination brake switch and proporting mounting hole; Its effect is the installation for board-like combination brake switch and proporting; Its design attitude is as marked shown in 10-3 in accompanying drawing 6,7.

Board-like combination brake switch and proporting oil outlet 10-4 described in the utility model refers to: board-like combination brake switch and proporting oil outlet; Its effect is the installation for board-like combination brake switch and proporting oil outlet tube; Its design attitude is as marked shown in 10-4 in accompanying drawing 6,8.

Board-like combination brake switch and proporting spool mounting hole 10-5 described in the utility model refers to: board-like combination brake switch and proporting spool mounting hole; Its effect is the installation for board-like combination brake switch and proporting spool; Its design attitude is as marked shown in 10-5 in accompanying drawing 6,7,8.

Board-like combination brake switch and proporting described in the utility model right oil inlet hole 10-6 refers to: the right oil inlet hole of board-like combination brake switch and proporting; Its effect is the installation for the right oil inlet pipe of board-like combination brake switch and proporting; Its design attitude is as marked shown in 10-6 in accompanying drawing 7,8.

Board-like combination brake switch and proporting described in the utility model left oil inlet hole 10-7 refers to: the left oil inlet hole of board-like combination brake switch and proporting; Its effect is the installation for the left oil inlet pipe of board-like combination brake switch and proporting; Its design attitude is as marked shown in 10-7 in accompanying drawing 7,8.

Board-like combination of valve body seal ring 10-9 described in the utility model refers to: the seal ring on board-like combination of valve body; Sealing when tightening is installed in its effect; Its design attitude is as marked shown in 10-9 in accompanying drawing 8.

Board-like combination brake switch and proporting spool screw thread 10-10 described in the utility model refers to: board-like combination brake switch and proporting spool screw thread; Its effect coordinates board-like combination brake switch and proporting spool mounting hole 10-5, and sealing is tightened; Its design attitude is as marked shown in 10-10 in accompanying drawing 9,10.

Board-like combination brake switch and proporting described in the utility model right oil inlet hole intercommunicating pore 10-11 refers to: the right oil inlet hole intercommunicating pore of board-like combination brake switch and proporting; Its effect is the connection for the right oil inlet pipe of board-like combination brake switch and proporting; Its design attitude is as marked shown in 10-11 in accompanying drawing 9,10.

Board-like combination brake switch and proporting oil outlet intercommunicating pore 10-12 described in the utility model refers to: board-like combination brake switch and proporting oil outlet intercommunicating pore; Its effect is the connection for board-like combination brake switch and proporting oil outlet tube; Its design attitude is as marked shown in 10-12 in accompanying drawing 9,10.

Board-like combination brake switch and proporting spool small sealing ring 10-13 described in the utility model refers to: the small sealing ring on board-like combination brake switch and proporting spool; Sealing when tightening is installed in its effect; Its design attitude is as marked shown in 10-13 in accompanying drawing 9,10.

Board-like combination brake switch and proporting spool big sealing ring 10-14 described in the utility model refers to: the big sealing ring on board-like combination brake switch and proporting spool; Sealing when tightening is installed in its effect; Its design attitude is as marked shown in 10-14 in accompanying drawing 9,10.

Plug-in type directional combination valve plug 17-2 described in the utility model refers to: plug-in type directional combination valve plug; Its effect is that mouth unwanted in pipeline is blocked up, and plays sealing process; Its design attitude is as marked shown in 17-2 in accompanying drawing 16.

Plug-in type directional combination valve core 17-3 described in the utility model refers to: plug-in type directional combination valve core, which is provided with inserted combined valve small sealing ring 17-5, inserted combined valve spool direction hole 17-6, inserted combined valve big sealing ring 17-7, inserted combined valve straight hole 17-8, inserted combined valve steel ball 17-9; Its effect coordinates the direction of valve body control flow check body, pressure, flow; Its design attitude is as marked shown in 17-3 in accompanying drawing 12,13.

Pressure screw rod 17-4 described in the utility model refers to: pressure screw rod, which is provided with pressure screw rod straight hole 17-10, pressure screw rod direction hole 17-11; Its effect is convenient to advance and extract plug-in type directional combination valve 17-1; Its design attitude is as marked shown in 17-4 in accompanying drawing 12,13.

Inserted combined valve small sealing ring 17-5 described in the utility model refers to: the small sealing ring on inserted combined valve; Sealing when tightening is installed in its effect; Its design attitude is as marked shown in 17-5 in accompanying drawing 14,15.

Inserted combined valve spool direction hole 17-6 described in the utility model refers to: hole, inserted combined valve spool direction; Its effect coordinates inserted combined valve steel ball 17-9, changes oil circuit; Its design attitude is as marked shown in 17-6 in accompanying drawing 14,15.

Inserted combined valve big sealing ring 17-7 described in the utility model refers to: the big sealing ring on inserted combined valve; Sealing when tightening is installed in its effect; Its design attitude is as marked shown in 17-7 in accompanying drawing 14,15.

Inserted combined valve straight hole 17-8 described in the utility model refers to: inserted combined valve straight hole; Its effect is convenient to install pressure screw rod 17-4 and form an oil circuit; Its design attitude is as marked shown in 17-8 in accompanying drawing 14,15.

Inserted combined valve steel ball 17-9 described in the utility model refers to: inserted combined valve steel ball; Its effect is the forward and reverse mobile type blocking hydraulic oil; Its design attitude is as marked shown in 17-9 in accompanying drawing 15.

Pressure screw rod straight hole 17-10 described in the utility model refers to: pressure screw rod straight hole; Its effect is formation oil circuit; Its design attitude is as marked shown in 17-10 in accompanying drawing 16,17.

Pressure screw rod direction hole 17-11 described in the utility model refers to: pressure hole, screw rod direction; Its effect changes oil circuit; Its design attitude is as marked shown in 17-11 in accompanying drawing 16,17.

Reference numerals	Mark title	Reference numerals	Mark title
				1	Pressure gauge with electric contact 1	3-9	Board-like directional combination valve mating hole 3-9
2	Pressure gauge 2	3-10	Lower-left selector valve oil outlet intercommunicating pore 3-10
				3	Manifold block 3	3-11	The right attachment hole 3-11 of left board-like combination brake switch and proporting
4	Sensor connector 4	3-12	Rear is to combination brake switch and proporting mounting hole 3-12
				5	Manifold block relief valve 5	3-13	The urgent spill port 3-13 in front end
6	Reduction valve 6	3-14	The right attachment hole 3-14 of right panel formula combination brake switch and proporting
				7	Upper solenoid directional control valve 7	3-15	Right selector valve oil outlet intercommunicating pore 3-15
8	Middle solenoid directional control valve 8	3-16	The left attachment hole 3-16 of right panel formula combination brake switch and proporting
				9	Lower solenoid directional control valve 9	3-17	Left combination brake switch and proporting right attachment hole intercommunicating pore 3-17
10	Board-like directional combination valve 10	3-18	Right solenoid directional control valve mounting hole 3-18
				11	Gu cylinder connected pipes 11	3-19	Bottom right selector valve oil inlet hole 3-19
12	The urgent return tube 12 in front end	3-20	Bottom right selector valve spill port 3-20
				13	Cylinder connected pipes 13 alive	3-21	Bottom right selector valve oil outlet 3-21
14	Left manifold block return tube 14	3-22	Right manifold block oil inlet hole intercommunicating pore 3-22
				15	The urgent return tube 15 in rear end	3-23	Right selector valve oil inlet hole 3-23
16	Right manifold block return tube 16	3-24	The right oil outlet 3-24 of right selector valve
				17	Plug-in type directional combination valve valve group 17	3-25	The left oil outlet 3-25 of right selector valve
18	Accumulator 18	3-26	Upper right selector valve spill port 3-26
				3-1	Sensor connector mounting hole 3-1	3-27	Upper right selector valve oil outlet 3-27
3-2	Left manifold block relief valve oil inlet hole 3-2	3-28	Right reduction valve oil outlet 3-28
				3-3	Left manifold block relief valve spill port 3-3	3-29	Right reduction valve oil inlet hole 3-29
3-4	Left manifold block relief valve mounting hole 3-4	3-30	Right reduction valve spill port 3-30
				3-5	Left relief valve oil inlet hole intercommunicating pore 3-5	3-31	Right reduction valve mounting hole 3-31
3-6	Left manifold block spill port intercommunicating pore 3-6	3-32	Front is to combination brake switch and proporting mounting hole intercommunicating pore 3-32
				3-7	Right manifold block spill port intercommunicating pore 3-7	3-33	Pressure gauge with electric contact mounting hole intercommunicating pore 3-33
3-8	The left attachment hole 3-8 of left board-like combination brake switch and proporting	3-34	Pressure gauge with electric contact mounting hole 3-34

Reference numerals	Mark title	Reference numerals	Mark title
				3-35	Pressure gauge mounting hole intercommunicating pore 3-35	3-61	Left reduction valve oil outlet 3-61
3-36	Rear is to combination brake switch and proporting mounting hole intercommunicating pore 3-36	3-62	Left reduction valve spill port 3-62
				3-37	Pressure gauge mounting hole 3-37	3-63	Left reduction valve oil inlet hole 3-63
3-38	Right manifold block relief valve oil inlet hole 3-38	3-64	Sensor connector mounting hole intercommunicating pore 3-64
				3-39	Right manifold block oil inlet hole 3-39	3-65	The right oil outlet 3-65 of left selector valve
3-40	Right manifold block spill port 3-40	3-66	Upper left manifold block oil inlet hole intercommunicating pore 3-66
				3-41	Right manifold block relief valve spill port 3-41	3-67	Left manifold block oil inlet pipe attachment hole 3-67
3-42	Left manifold block oil inlet hole 3-42	3-68	Left accumulator mounting hole 3-68
				3-43	Left manifold block spill port 3-43	3-69	Front is to combination brake switch and proporting mounting hole 3-69
3-44	Right technique intercommunicating pore 3-44	3-70	Lower-left manifold block oil inlet hole intercommunicating pore 3-70
				3-45	Right return tube attachment hole 3-45	3-71	Right accumulator mounting hole 3-71
3-46	The urgent spill port 3-46 in bottom	3-72	Right manifold block oil inlet pipe attachment hole 3-72
				3-47	Left return tube attachment hole 3-47	3-73	Right manifold block oil inlet hole intercommunicating pore 3-73
3-48	Left technique intercommunicating pore 3-48	10-1	Board-like directional combination valve body 10-1
				3-49	Left oil inlet pipe attachment hole intercommunicating pore 3-49	10-2	Board-like directional combination valve core 10-2
3-50	Lower-left selector valve oil outlet 3-50	10-3	Board-like combination brake switch and proporting mounting hole 10-3
				3-51	Lower-left selector valve spill port 3-51	10-4	Board-like combination brake switch and proporting oil outlet 10-4
3-52	Manifold block mounting hole 3-52	10-5	Board-like combination brake switch and proporting spool mounting hole 10-5
				3-53	Right combination brake switch and proporting right attachment hole intercommunicating pore 3-53	10-6	The right oil inlet hole 10-6 of board-like combination brake switch and proporting
3-54	Left solenoid directional control valve mounting hole 3-54	10-7	The left oil inlet hole 10-7 of board-like combination brake switch and proporting
				3-55	Lower-left selector valve oil inlet hole 3-55	10-8	Board-like combination brake switch and proporting steel ball 10-8
3-56	The left oil outlet 3-56 of left selector valve	10-9	Board-like combination of valve body seal ring 10-9
				3-57	Left selector valve oil inlet hole 3-57	10-10	Board-like combination brake switch and proporting spool screw thread 10-10
3-58	Upper left selector valve oil inlet hole 3-58	10-11	Board-like combination brake switch and proporting right oil inlet hole intercommunicating pore 10-11
				3-59	Upper left selector valve spill port 3-59	10-12	Board-like combination brake switch and proporting oil outlet intercommunicating pore 10-12
3-60	Left solenoid directional control valve mounting hole 3-60	10-13	Board-like combination brake switch and proporting spool small sealing ring 10-13

Reference numerals	Mark title	Reference numerals	Mark title
				10-14	Board-like combination brake switch and proporting spool big sealing ring 10-14	17-6	Inserted combined valve spool direction hole 17-6
17-1	Plug-in type directional combination valve 17-1	17-7	Inserted combined valve big sealing ring 17-7
				17-2	Plug-in type directional combination valve head 17-2	17-8	Inserted combined valve straight hole 17-8
17-3	Plug-in type directional combination valve core 17-3	17-9	Inserted combined valve steel ball 17-9
				17-4	Pressure screw rod 17-4	17-10	Pressure screw rod straight hole 17-10
17-5	Inserted combined valve small sealing ring 17-5	17-11	Pressure screw rod direction hole 17-11

Claims

1. a double hydraulic system elevation scheme brake hydraulic station control valve special group, it is characterized in that it is by pressure gauge with electric contact (1), pressure gauge (2), manifold block (3), sensor connector (4), manifold block relief valve (5), reduction valve (6), upper solenoid directional control valve (7), middle solenoid directional control valve (8), lower solenoid directional control valve (9), board-like directional combination valve (10), Gu cylinder connected pipes (11), the urgent return tube in front end (12), cylinder connected pipes (13) alive, left manifold block return tube (14), the urgent return tube in rear end (15), right manifold block return tube (16), plug-in type directional combination valve valve group (17) forms, pressure gauge with electric contact (1) and pressure gauge (2) are located at manifold block (3) top right side, sensor connector (4) is located at manifold block (3) top left side, two manifold block relief valves (5) are located at manifold block (3) top side by side, reduction valve (6), upper solenoid directional control valve (7), middle solenoid directional control valve (8), lower solenoid directional control valve (9) are all respectively provided with one in manifold block (3) left and right sides, two board-like directional combination valves (10) are all located at manifold block (3) front side with the urgent return tube in front end (12), Gu cylinder connected pipes (11) is each passed through two board-like directional combination valves (10) with cylinder connected pipes (13) of living, left manifold block return tube (14), the urgent return tube in rear end (15) are all located at manifold block (3) bottom with right manifold block return tube (16), plug-in type directional combination valve valve group (17) is located at manifold block (3) front side, accumulator (18) is located at manifold block (3) rear side.

2. a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group according to claim 1, is characterized in that being provided with manifold block (3), and is provided with sensor connector mounting hole (3-1) thereon, left manifold block relief valve oil inlet hole (3-2), left manifold block relief valve spill port (3-3), left manifold block relief valve mounting hole (3-4), left relief valve oil inlet hole intercommunicating pore (3-5), left manifold block spill port intercommunicating pore (3-6), right manifold block spill port intercommunicating pore (3-7), the left left attachment hole of board-like combination brake switch and proporting (3-8), board-like directional combination valve mating hole (3-9), lower-left selector valve oil outlet intercommunicating pore (3-10), the left right attachment hole of board-like combination brake switch and proporting (3-11), rear is to combination brake switch and proporting mounting hole (3-12), the urgent spill port in front end (3-13), the right attachment hole of right panel formula combination brake switch and proporting (3-14), right selector valve oil outlet intercommunicating pore (3-15), the left attachment hole of right panel formula combination brake switch and proporting (3-16), the right attachment hole intercommunicating pore (3-17) of left combination brake switch and proporting, right solenoid directional control valve mounting hole (3-18), bottom right selector valve oil inlet hole (3-19), bottom right selector valve spill port (3-20), bottom right selector valve oil outlet (3-21), right manifold block oil inlet hole intercommunicating pore (3-22), right selector valve oil inlet hole (3-23), the right oil outlet of right selector valve (3-24), the left oil outlet of right selector valve (3-25), upper right selector valve spill port (3-26), upper right selector valve oil outlet (3-27), right reduction valve oil outlet (3-28), right reduction valve oil inlet hole (3-29), right reduction valve spill port (3-30), right reduction valve mounting hole (3-31), front is to combination brake switch and proporting mounting hole intercommunicating pore (3-32), pressure gauge with electric contact mounting hole intercommunicating pore (3-33), pressure gauge with electric contact mounting hole (3-34), pressure gauge mounting hole intercommunicating pore (3-35), rear is to combination brake switch and proporting mounting hole intercommunicating pore (3-36), pressure gauge mounting hole (3-37), right manifold block relief valve oil inlet hole (3-38), right manifold block oil inlet hole (3-39), right manifold block spill port (3-40), right manifold block relief valve spill port (3-41), left manifold block oil inlet hole (3-42), left manifold block spill port (3-43), right technique intercommunicating pore (3-44), right return tube attachment hole (3-45), the urgent spill port (3-46) in bottom, left return tube attachment hole (3-47), left technique intercommunicating pore (3-48), left oil inlet pipe attachment hole intercommunicating pore (3-49), lower-left selector valve oil outlet (3-50), lower-left selector valve spill port (3-51), manifold block mounting hole (3-52), the right attachment hole intercommunicating pore (3-53) of right combination brake switch and proporting, left solenoid directional control valve mounting hole (3-54), lower-left selector valve oil inlet hole (3-55), the left oil outlet of left selector valve (3-56), left selector valve oil inlet hole (3-57), upper left selector valve oil inlet hole (3-58), upper left selector valve spill port (3-59), left solenoid directional control valve mounting hole (3-60), left reduction valve oil outlet (3-61), left reduction valve spill port (3-62), left reduction valve oil inlet hole (3-63), sensor connector mounting hole intercommunicating pore (3-64), the right oil outlet of left selector valve (3-65), upper left manifold block oil inlet hole intercommunicating pore (3-66), left manifold block oil inlet pipe attachment hole (3-67), left accumulator mounting hole (3-68), front is to combination brake switch and proporting mounting hole (3-69), lower-left manifold block oil inlet hole intercommunicating pore (3-70), right accumulator mounting hole (3-71), right manifold block oil inlet pipe attachment hole (3-72), right manifold block oil inlet hole intercommunicating pore (3-73), sensor connector mounting hole (3-1), left manifold block relief valve oil inlet hole (3-2), left manifold block relief valve spill port (3-3), left manifold block relief valve mounting hole (3-4), pressure gauge with electric contact mounting hole (3-34), pressure gauge mounting hole intercommunicating pore (3-35), rear is to combination brake switch and proporting mounting hole intercommunicating pore (3-36), pressure gauge mounting hole (3-37), right manifold block relief valve oil inlet hole (3-38), right manifold block oil inlet hole (3-39), right manifold block spill port (3-40), right manifold block relief valve spill port (3-41), left manifold block oil inlet hole (3-42), left manifold block spill port (3-43) is located at the top of manifold block (3), left relief valve oil inlet hole intercommunicating pore (3-5), left manifold block spill port intercommunicating pore (3-6), right manifold block spill port intercommunicating pore (3-7), the left left attachment hole of board-like combination brake switch and proporting (3-8), board-like directional combination valve mating hole (3-9), lower-left selector valve oil outlet intercommunicating pore (3-10), the left right attachment hole of board-like combination brake switch and proporting (3-11), rear is to combination brake switch and proporting mounting hole (3-12), the urgent spill port in front end (3-13), the right attachment hole of right panel formula combination brake switch and proporting (3-14), right selector valve oil outlet intercommunicating pore (3-15), the left attachment hole of right panel formula combination brake switch and proporting (3-16) is located at the front side of manifold block (3), the right attachment hole intercommunicating pore (3-17) of left combination brake switch and proporting, right solenoid directional control valve mounting hole (3-18), bottom right selector valve oil inlet hole (3-19), bottom right selector valve spill port (3-20), bottom right selector valve oil outlet (3-21), right manifold block oil inlet hole intercommunicating pore (3-22), right selector valve oil inlet hole (3-23), the right oil outlet of right selector valve (3-24), the left oil outlet of right selector valve (3-25), upper right selector valve spill port (3-26), upper right selector valve oil outlet (3-27), right reduction valve oil outlet (3-28), right reduction valve oil inlet hole (3-29), right reduction valve spill port (3-30), right reduction valve mounting hole (3-31), front is to combination brake switch and proporting mounting hole intercommunicating pore (3-32), pressure gauge with electric contact mounting hole intercommunicating pore (3-33) is located at the right side of manifold block (3), right technique intercommunicating pore (3-44), right return tube attachment hole (3-45), the urgent spill port in bottom (3-46), left return tube attachment hole (3-47), left technique intercommunicating pore (3-48), manifold block mounting hole (3-52) are located at the bottom of manifold block (3), lower-left selector valve oil outlet (3-50), lower-left selector valve spill port (3-51), the right attachment hole intercommunicating pore (3-53) of right combination brake switch and proporting, left solenoid directional control valve mounting hole (3-54), lower-left selector valve oil inlet hole (3-55), the left oil outlet of left selector valve (3-56), left selector valve oil inlet hole (3-57), upper left selector valve oil inlet hole (3-58), upper left selector valve spill port (3-59), left solenoid directional control valve mounting hole (3-60), left reduction valve oil outlet (3-61), left reduction valve spill port (3-62), left reduction valve oil inlet hole (3-63), sensor connector mounting hole intercommunicating pore (3-64) is located at the left side of manifold block (3), the right oil outlet of left selector valve (3-65), upper left manifold block oil inlet hole intercommunicating pore (3-66), left manifold block oil inlet pipe attachment hole (3-67), left accumulator mounting hole (3-68), front are located at the rear side of manifold block (3) to combination brake switch and proporting mounting hole (3-69), lower-left manifold block oil inlet hole intercommunicating pore (3-70), right accumulator mounting hole (3-71), right manifold block oil inlet pipe attachment hole (3-72), right manifold block oil inlet hole intercommunicating pore (3-73).

3. a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group according to claim 1, it is characterized in that being provided with board-like directional combination valve (10), and be provided with board-like directional combination valve body (10-1), board-like directional combination valve core (10-2) thereon; Board-like directional combination valve body (10-1) is the structure forming board-like directional combination valve (10); Board-like directional combination valve core (10-2) is fixed on the right side of it through board-like directional combination valve body (10-1) inside; Described board-like directional combination valve body (10-1) is provided with board-like combination brake switch and proporting mounting hole (10-3), board-like combination brake switch and proporting oil outlet (10-4), board-like combination brake switch and proporting spool mounting hole (10-5), the right oil inlet hole of board-like combination brake switch and proporting (10-6), the left oil inlet hole of board-like combination brake switch and proporting (10-7), board-like combination brake switch and proporting steel ball (10-8), board-like combination of valve body seal ring (10-9), and its effect controls the direction of fluid, pressure, flow.

4. a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group according to claim 3, is characterized in that being provided with board-like combination brake switch and proporting steel ball (10-8); It is inner that board-like combination brake switch and proporting steel ball (10-8) is located at board-like directional combination valve body (10-1).

5. a kind of double hydraulic system elevation scheme brake hydraulic station control valve special group according to claim 1, it is characterized in that being provided with plug-in type directional combination valve valve group (17), which is provided with plug-in type directional combination valve (17-1), plug-in type directional combination valve plug (17-2); Set composition plug-in type directional combination valve valve group (17) of plug-in type directional combination valve (17-1); Plug-in type directional combination valve plug (17-2) is located at plug-in type directional combination valve (17-1) one end.