CN209724826U - A kind of continuous miner roller lifting hydraulic controlling valve block - Google Patents
A kind of continuous miner roller lifting hydraulic controlling valve block Download PDFInfo
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- CN209724826U CN209724826U CN201920175087.4U CN201920175087U CN209724826U CN 209724826 U CN209724826 U CN 209724826U CN 201920175087 U CN201920175087 U CN 201920175087U CN 209724826 U CN209724826 U CN 209724826U
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Abstract
The utility model discloses a kind of continuous miner roller lifting hydraulic controlling valve blocks, it include: valve body, the first oil duct is equipped in the valve body, second oil duct, third oil duct, first oil duct both ends are respectively at A1 mouthfuls of formation on valve body, A2 mouthfuls, second oil duct both ends are respectively at B1 mouthfuls of formation on valve body, B2 mouthfuls, third oil duct one end is in Y2 mouthfuls of formation on valve body, the other end is connected to the first oil duct, sequence valve is communicated on second oil duct, the sequence valve oil inlet is connected to B1 mouthfuls, oil outlet is connected to B2 mouthfuls, adjustable throttling is communicated on the third oil duct, the adjustable throttling oil outlet is connected to Y2 mouthfuls, oil inlet is connected to the first oil duct.
Description
Technical field
The utility model relates to a kind of continuous miner roller lifting hydraulic controlling valve blocks.
Background technique
Currently, in hydraulic-driven and control technology field, people have been concentrated on: with integrated, high efficiency,
High performance-price ratio is target, creates and possesses the product of competitiveness as new development tactics.
It is this typical and normal using single pole two-way cylinder usually in continuous miner when controlling roller adjustable height
The hydraulic cylinder seen is controlled, and in continuous milling machine in use, roller is needed quickly to lift (speed is adjustable) when lifting, is declined
When slowly decline (speed is adjustable), and have the function of safe self-locking and maintenance it is hydraulic switch etc..But in actual use,
It can satisfy requirement without Related product in industry.
Utility model content
The main purpose of the utility model is to provide a kind of continuous miner roller lifting hydraulic controlling valve block, volume compared with
It is small, integrated easy for installation, after the roller hydraulic control system of continuous miner, the quick lift when promotion of roller may be implemented
It rises, the slow decline when locking of the height after promotion, decline, and there is hydraulic handoff functionality when maintenance.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of continuous miner roller lifting hydraulic controlling valve block, comprising: valve body, be equipped in the valve body the first oil duct,
Second oil duct, third oil duct, first oil duct both ends are respectively at A1 mouthfuls, A2 mouthfuls of formation, second oil duct both ends on valve body
Respectively at forming B1 mouthfuls, B2 mouthfuls on valve body, third oil duct one end is in Y2 mouthfuls of formation, the first oil of other end connection on valve body
Road, is communicated with sequence valve on second oil duct, and the sequence valve oil inlet is connected to B1 mouthful, B2 mouthfuls of oil outlet connection, and described the
Adjustable throttling is communicated on three oil ducts, the adjustable throttling oil outlet is connected to Y2 mouthfuls, oil inlet the first oil duct of connection.
Further, the profile of the valve body is in cuboid, and the valve body right side is equipped with sequence valve plug-in opening, is adjusted
Valve plug-in opening is flowed, the sequence valve, adjustable throttling are plugged in valve body right side；
A2 mouthfuls described, B2 mouthfuls is set to valve body left side；
A1 mouthfuls described, Y2 mouthfuls, the B1 mouthfuls of fronts set on valve body;
The bottom surface of the valve body is equipped with mounting hole.
Further, be additionally provided with the 4th oil duct in valve body, described 4th oil duct one end in formed on valve body reverse side M mouthful, separately
One end is connected to the sequence valve oil outlet, and the M mouthfuls of fixation, which is communicated with, surveys pressure pressure table survey pressure side.
Further, the 5th oil duct, the 6th oil duct are additionally provided in the valve body, described 5th oil duct one end is in valve body
Top surface formed C1 mouthful, the other end be connected to sequence valve oil inlet, described 6th oil duct one end in valve body top surface formed C2 mouthfuls, separately
One end is connected to sequence valve oil outlet, and the valve body top surface is fixedly connected with board-like ball valve, C1 mouthfuls described, C2 mouthfuls be respectively communicated with it is board-like
Oil inlet, the oil outlet of ball valve.
Further, be additionally provided with the 7th oil duct in valve body, described 7th oil duct one end in the reverse side of valve body formed Y1 mouthful, separately
One end is connected to sequence valve plug-in opening.
Further, the board-like ball valve is bolted to connection in valve body upper surface.
Further, the second oil duct where the adjustable throttling oil inlet is equipped with damping hole.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: this
Utility model by valve body in continuous miner when roller lift work to fast lifting required in operation, safety
Hydraulic circuit required for self-locking, the hydraulic handoff functionality of maintenance is integrated, and while integrated hydraulic valve block, improves work
Efficiency.
Detailed description of the invention
Fig. 1 is integrated valve block schematic view of the front view；
Fig. 2 is integrated valve block left view structural representation；
Fig. 3 is integrated valve block right side structural representation；
Fig. 4 is integrated valve block backsight structural representation；
Fig. 5 is integrated valve block overlooking structure diagram；
Fig. 6 is integrated valve block present invention looks up structural representation；
Fig. 7 is valve B-B structure schematic diagram；
Fig. 8 is valve body C-C structural schematic diagram;
Fig. 9 is valve body D-D structural schematic diagram;
Figure 10 is integrated valve block configuration schematic diagram;
Figure 11 is integrated valve block internal hydraulic pressure attachment structure schematic diagram;
Figure 12 is that integrated valve block is used in hydraulic connecting structural schematic diagram in roller hydraulic lifting system.
Icon: 1- valve body；2- adjustable throttling；3- sequence valve；4- surveys pressure pressure table；The board-like ball valve of 5-；6- handle；7-
Sequence valve plug-in opening；8- damping hole；9- throttle valve plug-in opening；10- hydraulic oil container；11- hydraulic oil pump；12- reversal valve；13- is bis-
Action oil cylinder.
Specific embodiment
The embodiment of the present application solves existing lifting control by providing a kind of continuous miner roller lifting hydraulic controlling valve block
The complicated problem of the low installation of valve body integrated level processed, by by sequence valve, adjustable throttling, survey the valves such as pressure pressure table, board-like ball valve
Body install concentratedly in a valve body, realize current unexistent quick landing function in roller hydraulic lifting system, maintenance
Rapid switching function.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this Shen
Please technical solution detailed description, rather than the restriction to technical scheme, in the absence of conflict, the application are real
The technical characteristic applied in example and embodiment can be combined with each other.
As shown in Fig. 1 ~ 11, a kind of continuous miner roller lifting hydraulic controlling valve block, comprising: valve body 1, the valve body 1
Inside be equipped with the first oil duct, the second oil duct, third oil duct, first oil duct both ends respectively at forming A1 mouthfuls, A2 mouthfuls on valve body 1,
Second oil duct both ends respectively on valve body 1 formed B1 mouthful, B2 mouthfuls, third oil duct one end on valve body 1 formation Y2 mouthfuls,
The other end is connected to the first oil duct, is communicated with sequence valve 3 on second oil duct, 3 oil inlet of sequence valve be connected to B1 mouthfuls, it is fuel-displaced
Mouth is connected to B2 mouthfuls, and adjustable throttling 2 is communicated on the third oil duct, and 2 oil outlet of adjustable throttling is connected to Y2 mouthfuls, oil inlet
Mouth the first oil duct of connection.By the way that the first oil duct, the second oil duct, third oil duct are arranged in valve body 1, thus on the surface of valve body 1
Form multiple connectors, and sequence valve 3, adjustable throttling 2 be connected to the oil duct in valve body 1, thus realize sequence valve 3,
The integration of adjustable throttling 2 realizes the integrated of hydraulic valve.
Further, the profile of the valve body 1 be in cuboid, 1 right side of valve body be equipped with sequence valve plug-in opening 7, can
Flow regulating valve plug-in opening 9, the sequence valve 3, adjustable throttling 2 are plugged in 1 right side of valve body；It is suitable by being arranged in valve body 1
Sequence valve plug-in opening 7, adjustable throttling plug-in opening 9 are to be inserted into matched plug-in opening for sequence valve 3, adjustable throttling 2
Rotation is threadedly coupled afterwards, is further carried out to valve body integrated.
Further, A2 mouthfuls described, B2 mouthfuls is set to 1 left side of valve body；
Further, A1 mouthfuls described, Y2 mouthfuls, the B1 mouthfuls of fronts set on valve body 1;
Further, the bottom surface of the valve body 1 is equipped with mounting hole.
Further, it is additionally provided with the 4th oil duct in the valve body 1, described 4th oil duct one end is in forming M on 1 reverse side of valve body
Mouth, the other end are connected to 3 oil outlet of sequence valve, and the M mouthfuls of fixation, which is communicated with, surveys the survey pressure side of pressure pressure table 4.Pass through M mouthfuls of setting
To install survey pressure pressure table 4 can the output pressure to oil circuit effectively monitored.
Further, the 5th oil duct, the 6th oil duct are additionally provided in valve body 1, described 5th oil duct one end is in the top surface of valve body 1
C1 mouthfuls, other end connection 3 oil inlet of sequence valve are formed, described 6th oil duct one end forms C2 mouthfuls, the other end in the top surface of valve body 1
Be connected to 3 oil outlet of sequence valve, 1 top surface of valve body is fixedly connected with board-like ball valve 5, C1 mouthfuls described, C2 mouthfuls be respectively communicated with it is board-like
Oil inlet, the oil outlet of ball valve 5.By in 1 upper mounted plate formula ball valve 5 of valve body, using the 5th oil duct, the 6th oil duct by board-like ball
The oil inlet and outlet of valve 5 is respectively communicated to the oil inlet of sequence valve 3, oil outlet, so as to realize the bypass of sequence valve
Function realizes that hydraulic oil quickly flow to B2 mouthfuls (or quickly flowing to B1 mouthfuls from B2 mouthfuls) from B1 mouthfuls.
Further, be additionally provided with the 7th oil duct in valve body 1, described 7th oil duct one end in the reverse side of valve body 1 formed Y1 mouthfuls,
The other end is connected to sequence valve plug-in opening 7, and Leakage Energy when sequence valve 3 can be worked by Y1 mouthfuls quickly exports.
Further, board-like ball valve 5 is bolted to connection in 1 upper surface of valve body.
Further, it is fixedly connected with handle 6 on the 5 valve core rotation axis of board-like ball valve, it is convenient by mounting knob 6
On-off control is carried out to board-like ball valve 5.
Further, the second oil duct where 2 oil inlet of adjustable throttling is equipped with damping hole 8, by adjustable
Damping port is arranged on the second oil duct where 2 oil inlet of throttle valve can prevent in-oil cylinder hydraulic oil largely quickly by can
Flow regulating valve 2 flow back fuel tank and cause oil cylinder to shake.
As shown in 12 figures, after integrated valve block is installed in continuous miner roller oil cylinder hydraulic lifting oil circuit, hydraulic oil
11 starting of pump, the oil suction from hydraulic oil container 10,
When needing the piston rod of oil cylinder to stretch out jack-up roller, starting reversal valve (uses three-position four-way valve) in the present embodiment
To left station, hydraulic oil enters through the second oil duct from B1 mouthful, from the inflow of 3 oil inlet of sequence valve, then from 3 oil outlet stream of sequence valve
Entering in the rodless cavity of roller lifting cylinder 13 after out from B2 mouthfuls, the hydraulic oil in 13 rod chamber of oil cylinder enters valve body 1 from A2 mouthfuls,
It is back in hydraulic oil container 10 using after A1 mouthfuls of outflows by reversal valve 12, opens adjustable throttling 2 at this time, hydraulic oil is simultaneously
By adjustable throttle valve 2 from Y2 mouthful inflow fuel tanks, can accelerating the piston rod stretching speed of oil cylinder, (speed can pass through throttling
Valve is adjusted)；
When roller is increased to operating position, lifting cylinder piston rod position is needed to remain stationary, close reversal valve 12, can
Flow regulating valve 2, the self-locking pressure maintaining of sequence valve 3, prevents oil cylinder from falling, plays the role of safe self-locking；
When roller lifting cylinder needs to decline, reversal valve 12 switches to right working position at this time, intracavitary hydraulic of oil cylinder rodless
Oil is flowed into, reverse opening under the action of pilot pressure of sequence valve 3 from 3 oil outlet of sequence valve from hydraulic fluid port B2 oil return, hydraulic oil from
By hydraulic fluid port B1 oil return into hydraulic oil container after the outflow of sequence valve oil inlet, by rising to 3 set pressure of sequence valve (10MPa)
To the effect of the standby pressure buffering of an oil return；Size can be opened by adjusting adjustable throttling 2 at this time, it is hydraulic to being flowed into from A1 mouthfuls
Oil, which is shunted from Y2 mouthfuls, passes back into hydraulic oil container 10, thus adjust hydraulic oil enter from A2 mouthfuls the intracavitary flow velocity of oil cylinder beam hanger with
Slow down the decrease speed of roller；
When needing to overhaul machine, board-like ball valve 5 is opened, the sequence valve 3 in parallel with board-like ball valve 5 does not work at this time, liquid
Pressure oil can realize the quick oil return of rodless cavity by board-like ball valve 5, to make the piston rod rapid decrease of roller oil cylinder, to reach
The working condition requirement of maintenance.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of continuous miner roller lifting hydraulic controlling valve block characterized by comprising valve body (1), the valve body (1)
Inside it is equipped with the first oil duct, the second oil duct, third oil duct, first oil duct both ends are respectively at forming A1 mouthfuls, A2 on valve body (1)
Mouthful, second oil duct both ends are respectively at forming B1 mouthfuls, B2 mouthfuls on valve body (1), third oil duct one end is in shape on valve body (1)
It is connected to the first oil duct at Y2 mouthfuls, the other end, is communicated with sequence valve (3) on second oil duct, sequence valve (3) oil inlet connects
B1 mouthfuls logical, oil outlet is connected to B2 mouthfuls, is communicated with adjustable throttling (2) on the third oil duct, the adjustable throttling (2) is fuel-displaced
Y2 mouthfuls of mouth connection, oil inlet are connected to the first oil duct.
2. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 1, which is characterized in that the valve
The profile of body (1) is in cuboid, and valve body (1) right side is equipped with sequence valve plug-in opening (7), adjustable throttling plug-in opening (9),
The sequence valve (3), adjustable throttling (2) are plugged in valve body (1) right side；
A2 mouthfuls described, B2 mouthfuls is set to valve body (1) left side；
A1 mouthfuls described, Y2 mouthfuls, the B1 mouthfuls of fronts set on valve body (1);
The bottom surface of the valve body (1) is equipped with mounting hole.
3. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 2, which is characterized in that the valve
The 4th oil duct is additionally provided in body (1), described 4th oil duct one end is described suitable in M mouthfuls of formation, other end connection on valve body (1) reverse side
Sequence valve (3) oil outlet, the M mouthfuls of fixation, which is communicated with, surveys pressure pressure table (4) survey pressure side.
4. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 2, which is characterized in that the valve
The 5th oil duct, the 6th oil duct are additionally provided in body (1), described 5th oil duct one end forms C1 mouthfuls, the other end in the top surface of valve body (1)
It is connected to sequence valve (3) oil inlet, described 6th oil duct one end forms C2 mouthfuls, other end connection sequence valve in the top surface of valve body (1)
(3) oil outlet, valve body (1) top surface are fixedly connected with board-like ball valve (5), and C1 mouthfuls described, C2 mouthfuls is respectively communicated with board-like ball valve
(5) oil inlet, oil outlet.
5. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 2, which is characterized in that the valve
The 7th oil duct is additionally provided in body (1), described 7th oil duct one end is connected to suitable in Y1 mouthfuls of the reverse side formation of valve body (1), the other end
Sequence valve plug-in opening (7).
6. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 4, which is characterized in that the plate
Formula ball valve (5) is bolted to connection in valve body (1) upper surface.
7. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 4, which is characterized in that the plate
Handle (6) are fixedly connected on formula ball valve (5) valve core rotation axis.
8. a kind of continuous miner roller lifting hydraulic controlling valve block according to claim 1, which is characterized in that it is described can
The second oil duct where flow regulating valve (2) oil inlet is equipped with damping hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175087.4U CN209724826U (en) | 2019-01-31 | 2019-01-31 | A kind of continuous miner roller lifting hydraulic controlling valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175087.4U CN209724826U (en) | 2019-01-31 | 2019-01-31 | A kind of continuous miner roller lifting hydraulic controlling valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724826U true CN209724826U (en) | 2019-12-03 |
Family
ID=68682345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920175087.4U Active CN209724826U (en) | 2019-01-31 | 2019-01-31 | A kind of continuous miner roller lifting hydraulic controlling valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724826U (en) |
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2019
- 2019-01-31 CN CN201920175087.4U patent/CN209724826U/en active Active
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