CN209261943U - The slip casting pump hydraulic system of constant current can be met - Google Patents
The slip casting pump hydraulic system of constant current can be met Download PDFInfo
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- CN209261943U CN209261943U CN201822065392.6U CN201822065392U CN209261943U CN 209261943 U CN209261943 U CN 209261943U CN 201822065392 U CN201822065392 U CN 201822065392U CN 209261943 U CN209261943 U CN 209261943U
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Abstract
The slip casting pump hydraulic system for meeting constant current of the utility model design, including hydraulic cylinder group, fluid end, reversing arrangement, recharging oil device, fueller and oil return control structure, wherein hydraulic cylinder group is made of two fuel tanks, and two push rods of hydraulic cylinder group are connect with fluid end.The utility model applies mechanical rotary valve commutation and pilot operated directional control valve commutation control technology, and forms linkage action using the connection relationship between mechanical structure and a variety of valves, to adapt to constant-current voltage-stabilizing slip casting demand；The hydraulic system control of design is convenient, Technological adaptability is strong, control precision is high, reaction is fast.
Description
Technical field
The utility model belongs to hydraulic system, especially a kind of grouting pump hydraulic pressure system for meeting constant current for mining site
System.
Background technique
In the engineerings such as the slip casting of coal mine waterproof, foundation construction slip casting, it usually needs constant flow and stable pressure with
Ensure slip casting accurately just amount and stable pressure.Grouting pump generally uses three cylinder of mechanical transmission-type that the reciprocal of plunger is applied alone at present
Pattern, is only applicable to that grouting process is single, the low occasion of flow, pressure controling precision.
Summary of the invention
To solve the above problems, the utility model provides, a kind of Technological adaptability is strong, and control is with high accuracy meets perseverance
The slip casting pump hydraulic system of stream.
In order to achieve the above object, the slip casting pump hydraulic system of constant current, including liquid are met designed by the utility model
Compressing cylinder group, fluid end, reversing arrangement, recharging oil device, fueller and oil return control structure, wherein hydraulic cylinder group is by two
Fuel tank composition, and two push rods of hydraulic cylinder group are connect with fluid end, in which:
One group of two-in-parallel pump includes that big oil pump and small oil pump pass through big oil-suction oil filter and small oil-suction oil filter and oil respectively
Case connection；
Wherein P1 mouth of the output end of big oil pump through pipeline connection rotary valve, the A1 mouth of the rotary valve and B1 mouthfuls of pipeline difference
It connect with the first hydraulic cylinder and the second hydraulic cylinder rodless cavity end hydraulic fluid port, for controlling two hydraulic cylinders to being pushed forward, constitutes
Fueller；
The output end of small oil pump connects the second hydraulic cylinder and the first hydraulic cylinder rod chamber end hydraulic fluid port through pipeline, is used to pair
The rod chamber of hydraulic cylinder carries out repairing and quick return, constitutes recharging oil device；
A2 mouth and hydraulic control Y2 mouthful connections of the first hydraulic cylinder rodless cavity end hydraulic fluid port through pipeline and hydraulic directional valve, the second liquid
Compressing cylinder rodless cavity end hydraulic fluid port is connect through pipeline with B2 mouthfuls of hydraulic directional valve and X2 mouthfuls of hydraulic control, while the Y2 mouth of hydraulic directional valve is logical
The connection of the Y1 of piping and rotary valve mouth, the X2 mouth that hydraulic directional valve is spread are connected by the X1 mouth of the Northeast and rotary valve, constitute oil return control
Structure processed；
The push rod of two hydraulic cylinders is connect with reversing arrangement, and reversing arrangement controls rotary valve commutation, has reached push rod stretching
Reversing arrangement control rotary valve commutation is triggered in the case where to a certain extent.
Preferably, the output end of big oil pump is connected with first pipe formula overflow valve.
Preferably, being parallel with accumulator and second pipe formula overflow valve on the delivery outlet of small oil pump.
Preferably, being connected with oil supply system pressure gauge on big oil pump delivery outlet, benefit is connected on the delivery outlet of small oil pump
Oil system pressure gauge.
Preferably, the T2 mouth of the hydraulic directional valve connects fuel tank with return oil filter by concatenated cooler.
For above-mentioned rotary valve by reversing arrangement come the commutation of Mechanical course, X1, Y1 mouthfuls form intercommunication according to different commutation positions from A1, B1 mouthfuls
Interlocking.
Preferably, the rotary valve is three six logical function valves；Hydraulic directional valve is that Median Function is O-shaped three four
Port valve, hydraulic centralizing or reset.
Compared with prior art, the utility model applies mechanical rotary valve commutation and pilot operated directional control valve commutation control technology,
And linkage action is formed using the connection relationship between mechanical structure and a variety of valves, to adapt to constant-current voltage-stabilizing slip casting demand；Design
Hydraulic system control it is convenient, Technological adaptability is strong, control precision is high, reaction is fast.
Detailed description of the invention
Fig. 1 is 1 systematic schematic diagram of embodiment.
1- motor in figure；The big oil-suction oil filter of 2-；The big oil pump of 3-；4- first pipe formula overflow valve；5- rotary valve；6- second
Hydraulic cylinder；The first hydraulic cylinder of 7-；8- reversing arrangement；9- fluid end；10- hydraulic directional valve；11- cooler；12- oil return filter
Oily device；The small oil-suction oil filter of 13-；The small oil pump of 14-；15- second pipe formula overflow valve；16- accumulator；17- hydraulic cylinder group；
18- fueller；19- oil return control structure；20- recharging oil device；21- oil supply system pressure gauge；22- oil-supplementing system pressure gauge.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Embodiment 1.
As shown in Figure 1, the slip casting pump hydraulic system for meeting constant current of the present embodiment description, including hydraulic cylinder group 17,
Fluid end 9, reversing arrangement 8, recharging oil device 20, fueller 18 and oil return control structure 19, wherein hydraulic cylinder group 17 is by two
A fuel tank composition, and two push rods of hydraulic cylinder group 17 are connect with fluid end, the hydraulic circuit of hydraulic system is one group big
Small oil pump, input terminal connect fuel tank through big oil-suction oil filter 2 and small oil-suction oil filter 13 respectively；
Wherein P1 mouth of the output end of big oil pump 3 through pipeline connection rotary valve 5, the A1 mouth and B1 mouthfuls of pipelines of the rotary valve 5
It is connect respectively with the first hydraulic cylinder 7 and 6 rodless cavity end hydraulic fluid port of the second hydraulic cylinder, for controlling two hydraulic cylinders forward
It pushes away；First pipe formula overflow valve 4 is connected on the output end of big oil pump 3 simultaneously；It is integrally formed fueller 18.
The output end of its small oil pump 14 connects the second hydraulic cylinder 6 and 7 rod chamber end hydraulic fluid port of the first hydraulic cylinder through pipeline,
For carrying out repairing and quick return to rod chamber；Accumulator 16 and second pipe also in parallel on the output end of small oil pump 14 simultaneously
Formula overflow valve 5；Constitute recharging oil device 20.
First hydraulic cylinder 7 and 6 rodless cavity end hydraulic fluid port of the second hydraulic cylinder are through the pipeline A2 with hydraulic directional valve 10 respectively
Mouth and B2 mouthfuls of connections, and the pipeline also the Y1 mouth of Y2 mouthfuls, X2 mouthfuls of the hydraulic control of parallel connection hydraulic directional valve 10 and rotary valve 5, X1 mouthfuls, are constituted
Oil return control structure 19.
The push rod of two hydraulic cylinders is connect with reversing arrangement 8, and reversing arrangement 8 controls rotary valve 5 and commutates, and is had reached push rod and is stretched
Out to a certain extent in the case where trigger reversing arrangement 8 control rotary valve 5 commutate.
The rotary valve 5 is three six logical function valves, and the hydraulic directional valve 10 is that Median Function is O-shaped three four
Port valve, hydraulic centralizing or reset.
Its course of work is as follows:
1. 7 piston of the first hydraulic cylinder is first placed in rear end, 6 piston of the second hydraulic cylinder is placed in front end, but commutates
The not trigger action of device 8 starts motor 1.
2. big oil pump 3 sucks low pressure oil through big oil-suction oil filter 2, the high pressure oil of output enters rotary valve 5, oil supply system pressure
Table 21 indicates big 3 pressure of oil pump.Rotary valve 5 is in middle position, and A1 mouthfuls, B1 mouthfuls fuel feeding, the first hydraulic cylinder 7 and second are hydraulic simultaneously
Oil cylinder 6 is pushed ahead simultaneously；5 off-load of second pipe formula overflow valve of recharging oil device 10, returns to fuel tank；10 hydraulic control of hydraulic directional valve
Y2 mouthfuls, X2 mouthfuls of mouth while high pressure, are in middle position, A2 mouthfuls, B2 mouthfuls are blocked.When the second hydraulic cylinder 6 triggering reversing arrangement 8
Switch K2 movement, the control rotation of rotary valve 5 commutate to left position, and the A1 confession oil of rotary valve 5, B1 mouthfuls are blocked, and A1 mouthfuls are established high pressure, B1
Mouth low-pressure；Y2 mouthfuls of 10 hydraulic control mouth of hydraulic directional valve communicate to obtain high pressure with the A1 of rotary valve 5 mouth, and hydraulic directional valve 10 is pushed to commutate
B2 mouthfuls communicate with 2 mouthfuls of oil return inlet T, and the rodless cavity hydraulic fluid port of the second hydraulic cylinder 6 communicates oil return box with the B2 of hydraulic directional valve 10 mouth.
3. small oil pump 14 sucks low pressure oil through small oil-suction oil filter 13, the hydraulic oil of output to the second hydraulic cylinder 6 and the
One hydraulic cylinder, 7 rod chamber end hydraulic fluid port, oil-supplementing system pressure gauge 22 indicate that small 14 pressure of oil pump, pressure are far below big oil pump 3
Pressure, push 6 backhaul of the second hydraulic cylinder at this time, and connect accumulator 16, can make its backhaul accelerate.
4. pushing rotary valve 5 to change when the first hydraulic cylinder 7 continues the switch K1 movement pushed ahead to triggering reversing arrangement 8
To when going to middle position, A1 mouthfuls, B1 mouthfuls while fuel feeding, the first hydraulic cylinder 7 and the second hydraulic cylinder 6 are pushed ahead simultaneously；It mends
5 off-load of second pipe formula overflow valve of oily device 10, returns to fuel tank；10 hydraulic control mouth Y2, X2 of hydraulic directional valve while high pressure,
In middle position, A2 mouthfuls, B2 mouthfuls are blocked.After reversing arrangement 8, which controls, pushes the middle position excessively of rotary valve 5, rotary valve 5 commutates to B1 confession oil,
A1 mouthfuls are blocked, and B1 mouthfuls are established high pressure, A1 mouthfuls of low-pressures；X2 mouthfuls of 10 hydraulic control mouth of hydraulic directional valve is communicated with the B1 of rotary valve 5 mouth
High pressure pushes hydraulic directional valve 10 to commutate, and A2 mouthfuls communicate with 2 mouthfuls of oil return inlet T, the rodless cavity hydraulic fluid port of the first hydraulic cylinder 7
Oil return box is communicated with the A2 of hydraulic directional valve 10 mouth.Recharging oil device 20 pushes 7 quick return of the first hydraulic cylinder at this time, waits and turning
Triggering next time to device 8.
5. or more 2 to 4 be that a work schedule of grouting pump forms its working principle in cycles.
Claims (6)
1. one kind can meet the slip casting pump hydraulic system of constant current, including hydraulic cylinder group, fluid end, reversing arrangement, recharging oil device,
Fueller and oil return control structure, wherein hydraulic cylinder group is made of two fuel tanks, and two push rods of hydraulic cylinder group are equal
It is connect with fluid end, it is characterised in that:
One group of two-in-parallel pump includes big oil pump and small oil pump passes through big oil-suction oil filter and small oil-suction oil filter respectively and fuel tank connects
It connects；
Wherein P1 mouth of the output end of big oil pump through pipeline connection rotary valve, the A1 mouth and B1 mouthfuls of pipelines of rotary valve are hydraulic with first respectively
Oil cylinder and the connection of the second hydraulic cylinder rodless cavity end hydraulic fluid port constitute fueller for controlling two hydraulic cylinders to being pushed forward；
The output end of small oil pump connects the second hydraulic cylinder and the first hydraulic cylinder rod chamber end hydraulic fluid port through pipeline, is used to hydraulic
The rod chamber of oil cylinder carries out repairing and quick return, constitutes recharging oil device；
A2 mouth and hydraulic control Y2 mouthful connections of the first hydraulic cylinder rodless cavity end hydraulic fluid port through pipeline and hydraulic directional valve, the second hydraulic oil
Cylinder rodless cavity end hydraulic fluid port is connect through pipeline with B2 mouthfuls of hydraulic directional valve and X2 mouthfuls of hydraulic control, while the Y2 mouth of hydraulic directional valve passes through pipe
The connection of the Y1 of road and rotary valve mouth, the X2 mouth that hydraulic directional valve is spread are connected by the X1 mouth of the Northeast and rotary valve, constitute oil return control knot
Structure；
The push rod of two hydraulic cylinders is connect with reversing arrangement, and reversing arrangement controls rotary valve commutation, is had reached push rod and is reached one
Determine to trigger reversing arrangement control rotary valve commutation in the case where degree.
2. the slip casting pump hydraulic system according to claim 1 for meeting constant current, it is characterised in that: the output end of big oil pump
It is connected with first pipe formula overflow valve.
3. the slip casting pump hydraulic system according to claim 1 for meeting constant current, it is characterised in that: the delivery outlet of small oil pump
On be parallel with accumulator and second pipe formula overflow valve.
4. the slip casting pump hydraulic system according to claim 1 for meeting constant current, it is characterised in that: the big oil pump is defeated
It is connected with oil supply system pressure gauge in outlet, oil-supplementing system pressure gauge is connected on the delivery outlet of small oil pump.
5. the slip casting pump hydraulic system according to claim 1 for meeting constant current, it is characterised in that: the commutation of surging
The T2 mouth of valve connects fuel tank with return oil filter by concatenated cooler.
6. the slip casting pump hydraulic system according to claim 1 for meeting constant current, it is characterised in that: the rotary valve is three
Six logical function valves of position；Hydraulic directional valve is that Median Function is O-shaped three-position four-way valve, hydraulic centralizing or reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822065392.6U CN209261943U (en) | 2018-12-10 | 2018-12-10 | The slip casting pump hydraulic system of constant current can be met |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822065392.6U CN209261943U (en) | 2018-12-10 | 2018-12-10 | The slip casting pump hydraulic system of constant current can be met |
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| Publication Number | Publication Date |
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| CN209261943U true CN209261943U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822065392.6U Active CN209261943U (en) | 2018-12-10 | 2018-12-10 | The slip casting pump hydraulic system of constant current can be met |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667801A (en) * | 2018-12-10 | 2019-04-23 | 浙江杭钻能源装备有限公司 | The slip casting pump hydraulic system of constant current can be met |
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2018
- 2018-12-10 CN CN201822065392.6U patent/CN209261943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667801A (en) * | 2018-12-10 | 2019-04-23 | 浙江杭钻能源装备有限公司 | The slip casting pump hydraulic system of constant current can be met |
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