CN208928260U - A kind of double-roll crusher and its hydraulic device - Google Patents
A kind of double-roll crusher and its hydraulic device Download PDFInfo
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- CN208928260U CN208928260U CN201821651341.5U CN201821651341U CN208928260U CN 208928260 U CN208928260 U CN 208928260U CN 201821651341 U CN201821651341 U CN 201821651341U CN 208928260 U CN208928260 U CN 208928260U
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Abstract
The utility model provides a kind of hydraulic device of double-roll crusher, hydraulic device includes synchronising (connecting) rod, fuel tank, total pipeline, two laterals, variable pump, control device, two proportion magnetic valves being connect respectively with control device, two reversal valves, two oil cylinder working-pressure tables, two hydraulic cylinders and two positions sensor, variable pump is arranged on total pipeline, proportion magnetic valve and reversal valve are provided on two laterals, oil cylinder working-pressure table and position sensor are provided on two hydraulic cylinders, hydraulic cylinder output end is connect to move it with the second breaker roll, synchronising (connecting) rod is rotatably arranged between two hydraulic cylinders.The utility model also provides a kind of double-roll crusher.The utility model replaces conventional springs device using hydraulic device, accurate to adjust the distance between first, second breaker roll, meets gradation requirement, and can prevent side overload problem.
Description
Technical field
The utility model relates to a kind of double-roll crusher and its hydraulic devices.
Background technique
Currently used for RAP be crushed double-roll crusher strainer using Purely mechanical tensioned form,
It is pre-tightened by helical spring or disk spring etc., with pressure needed for reaching broken RAP, is advantageous in that using this structure
Structure is simply easy to maintain；But the problem of thus bringing is that spring force cannot achieve real-time adjustment, when encountering different surface layers
When RAP, initial tension of spring is always held at same level, and causing the RAP for breaking off and be not bigger than normal is exactly less than normal, or
The aggregate in broken RAP is simply directly squeezed, seriously affects the gradation of RAP, thus the performance of crusher is just unable to reach expected effect
Fruit.
Finally require particle size interval in 0~32mm after RAP is broken；With the diversification of the market demand, sectionalization is often objective
Family requires the RAP in the section 0~32mm to be also finely divided；Covered in the section 0~32mm 7 kinds of gradation sections (0~2.36,
2.36~4.75,4.75~9.5,9.5~13.2,13.2~19,19~26.5,26.5~31.5)；It is needed when certain a period of time
Certain section of section grade timing, it is necessary to which crusher production meets the RAP material in this section of gradation section, and conventional adjustment mechanisms can not expire in real time
The such demanding specifications of foot, because limited between ball spring force regulatory region, installation space is big, cannot achieve Precise control,
And use manual adjustment, time-consuming and laborious, low efficiency.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to propose a kind of double-roll crusher and its hydraulic dress
It sets, conventional springs device is replaced using hydraulic device, it is accurate to adjust the distance between first, second breaker roll, meet gradation and wants
It asks, and side overload problem can be prevented.
The utility model is achieved through the following technical solutions:
A kind of hydraulic device of double-roll crusher, crusher include between fixed the first breaker roll and the first breaker roll
Every arrangement and moveable second breaker roll, hydraulic device include synchronising (connecting) rod, fuel tank, total pipeline, two laterals, variable
Pump, control device, two proportion magnetic valves being connect respectively with control device, two reversal valves, two oil cylinder working-pressure tables, two hydraulic cylinders and
Two positions sensor, total pipeline one end is connect with fuel tank, the other end is connect with two lateral one end respectively, and two hydraulic cylinders are parallel
It arranged for interval and is connect respectively with the two lateral other ends, variable pump is arranged on total pipeline, is respectively provided on two laterals
Proportional solenoid valve and reversal valve, are provided with oil cylinder working-pressure table and position sensor on two hydraulic cylinders, hydraulic cylinder output end with
Second breaker roll is connected to move it, and synchronising (connecting) rod is rotatably arranged between two hydraulic cylinders.
Further, filtering pressure reducing valve and pilot-type relief valve are additionally provided on the total pipeline.
Further, the hydraulic cylinder is adjustable buffer type hydraulic cylinder, including oil cylinder and piston rod, the oil cylinder working-pressure table
It is arranged on oil cylinder, on the piston rod, piston rod end is connect with second breaker roll for the position sensor setting.
Further, the proportion magnetic valve is type pilot proportion magnetic valve.
Further, the reversal valve is 3-position 4-way electro-hydraulic reversing valve.
Further, the control device includes PLC.
Further, the crusher further includes rotary fixing base, and the second breaker roll is arranged on rotary fixing base with phase
To or opposite first breaker roll it is mobile, the two hydraulic cylinder output ends are pivotally connected with rotary fixing base both ends respectively.
The utility model is also achieved through the following technical solutions:
A kind of double-roll crusher is consolidated including rack, the first breaker roll, the second breaker roll, the rotation being arranged on the rack
Reservation and as above any hydraulic device, the setting of the second breaker roll is on rotary fixing base, two hydraulic cylinders of hydraulic device
Output end is pivotally connected with rotary fixing base both ends respectively.
The utility model has the following beneficial effects:
It is required according to gradation, in the pressure preset of control device setting hydraulic cylinder, by the liquid in variable pump pumping fuel tank
Pressure oil to hydraulic cylinder, oil cylinder working-pressure table can read cylinder hydraulic value in real time, after hydraulic cylinder hydraulic reaches preset value, pass through
Reversal valve carries out locking, and hydraulic cylinder requires to keep the second breaker roll mobile further according to gradation, to adjust between the first, second breaker roll
Distance to meet gradation requirement, be arranged in position sensor on hydraulic cylinder can real-time detection hydraulic cylinder output end position,
Control device can calculate the position of the second breaker roll accordingly, and the position of adjustment hydraulic cylinder in real time is required according to gradation, so i.e.
The distance between first, second breaker roll can be accurately adjusted, gradation requirement is met；It is broken when RAP material does not fall within first, second
Broken roller middle position and when causing unbalance loading problem, control device control proportion magnetic valve distributes the oil mass of two laterals in real time,
To control the hydraulic pressure value of two hydraulic cylinders, and then the second breaker roll is adjusted so that its spacing between the first breaker roll is adapted to this
Unbalance loading situation, to prevent the first, second breaker roll from side overload problem occur.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of double-roll crusher.
Fig. 2 is the hydraulic cylinder of hydraulic device and the structural schematic diagram of synchronising (connecting) rod.
Fig. 3 is the schematic diagram of hydraulic device.
Wherein, 1, rack；2, the first breaker roll；3, the second breaker roll；4, rotary fixing base；5, pivotal axis；6, hydraulic dress
It sets；61, synchronising (connecting) rod；62, fuel tank；63, total pipeline；64, lateral；65, variable pump；66, proportion magnetic valve；67, it commutates
Valve；68, oil cylinder working-pressure table；69, hydraulic cylinder；610, position sensor；611, filtering pressure reducing valve；612, pilot-type relief valve；7,
Bearing block.
Specific embodiment
As shown in Figure 1 to Figure 3, double-roll crusher includes rack 1, the first breaker roll 2, the second breaker roll 3, rotation fixation
Seat 4 and hydraulic device 6,2 arranged for interval of the second breaker roll 3 and the first breaker roll, the second breaker roll 3 are arranged in rotary fixing base 4
On with relative to or opposite first breaker roll 2 it is mobile.Hydraulic device 6 includes synchronising (connecting) rod 61, fuel tank 62,63, two points of total pipeline
Branch pipe(tube) 64, filtering pressure reducing valve 611, pilot-type relief valve 612, control device, is respectively connect with control device variable pump 65
Two proportion magnetic valves 66, two reversal valves 67, two oil cylinder working-pressure tables 68, two hydraulic cylinders 69 and two positions sensor 610, total pipeline 63
One end is connect with fuel tank 62, the other end is connect with two laterals, 64 one end respectively, and two hydraulic cylinders, 69 parallel interval is arranged and divided
It is not connect with two laterals, 64 other end, variable pump 65, filtering pressure reducing valve 611 and pilot-type relief valve 612 are arranged in general pipeline
On road 63, it is provided with proportion magnetic valve 66 and reversal valve 67 on two laterals 64, is provided with oil cylinder on two hydraulic cylinders 69
Pressure gauge 68 and position sensor 610,69 output end of hydraulic cylinder are pivotally connected by pivotal axis 5 and rotary fixing base 4, so that second is broken
Broken roller 3 is mobile, and synchronising (connecting) rod 61 is rotatably arranged between two hydraulic cylinders 69.
Hydraulic cylinder 69 is specially adjustable buffer type hydraulic cylinder, including oil cylinder and piston rod, and oil cylinder working-pressure table 68 is arranged in oil
On cylinder, position sensor 610 is arranged on the piston rod, and piston rod end is 69 output end of hydraulic cylinder, passes through pivotal axis 5 and rotation
Turn the pivot joint of fixing seat 4.
In the present embodiment, proportion magnetic valve 66 is type pilot proportion magnetic valve 66, and reversal valve 67 is that 3-position 4-way is electro-hydraulic
Reversal valve 67, control device PLC.
Two bearings seat 7 is relatively set in rack 1,61 both ends of synchronising (connecting) rod are respectively arranged with two bearings, synchronising (connecting) rod 61
It is rotatably arranged between two hydraulic cylinders 69 by the cooperation of bearing and bearing block 7.
The mounting structure of the specific structure of double-roll crusher and the first breaker roll 2 is the prior art.Synchronising (connecting) rod 61
Both ends are rotatably arranged in the specific structure in rack 11 by bearing block 7, are the prior art.
Utility model works principle is as follows:
Control device input terminal is connect with two oil cylinder working-pressure tables 68, two positions sensor 610 respectively, and output end is respectively with two
Proportion magnetic valve 66, two reversal valves 67 and the connection of two hydraulic cylinders 69, require according to gradation, hydraulic cylinder 69 are arranged in control device
Pressure preset, by variable pump 65 pump fuel tank 62 in hydraulic oil to hydraulic cylinder 69, oil cylinder working-pressure table 68 can be read in real time
69 hydraulic pressure value of hydraulic cylinder simultaneously feeds back to control device, after hydraulic cylinder 69 hydraulic reaches preset value, control device control commutation
Valve 67 carries out locking, and controls hydraulic cylinder 69 and required to keep the second breaker roll 3 mobile according to gradation, broken with adjustment first, second
For the distance between roller 3 to meet gradation requirement, the position sensor 610 being arranged on hydraulic cylinder 69 can real-time detection hydraulic cylinder 69
The position of output end, control device can calculate the position of the second breaker roll 3 accordingly, and require adjustment hydraulic cylinder in real time according to gradation
69 position so can accurately adjust the distance between the first breaker roll 2, second breaker roll 3, meet gradation requirement；When
RAP material do not fall within the first breaker roll 2,3 middle position of the second breaker roll and when causing unbalance loading problem, control device controls ratio
Solenoid valve 66 distributes the oil mass of two laterals 64 in real time, and to control the hydraulic pressure value of two hydraulic cylinders 69, and then it is broken to adjust second
Roller 3 is so that its spacing between the first breaker roll 2 is adapted to the unbalance loading situation, to prevent the first breaker roll 2, second broken
There is side overload problem in roller 3.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of utility model patent is covered.
Claims (8)
1. a kind of hydraulic device of double-roll crusher, crusher includes the first fixed breaker roll and the first breaker roll interval
Arrangement and moveable second breaker roll, it is characterised in that: hydraulic device includes synchronising (connecting) rod, fuel tank, total pipeline, two branched pipes
Road, variable pump, control device, two proportion magnetic valves being connect respectively with control device, two reversal valves, two oil cylinder working-pressure tables, two
Hydraulic cylinder and two positions sensor, total pipeline one end is connect with fuel tank, the other end is connect with two lateral one end respectively, two liquid
Cylinder pressure parallel interval arranges and connect respectively with the two lateral other ends that variable pump is arranged on total pipeline, two laterals
On be provided with proportion magnetic valve and reversal valve, oil cylinder working-pressure table and position sensor, hydraulic cylinder are provided on two hydraulic cylinders
Output end is connect with the second breaker roll to move it, and synchronising (connecting) rod is rotatably arranged between two hydraulic cylinders.
2. a kind of hydraulic device of double-roll crusher according to claim 1, it is characterised in that: on the total pipeline also
It is provided with filtering pressure reducing valve and pilot-type relief valve.
3. a kind of hydraulic device of double-roll crusher according to claim 1, it is characterised in that: the hydraulic cylinder is can
Buffer-type hydraulic cylinder, including oil cylinder and piston rod are adjusted, the oil cylinder working-pressure table is arranged on oil cylinder, the position sensor setting
On the piston rod, piston rod end is connect with second breaker roll.
4. a kind of hydraulic device of double-roll crusher according to claim 1 or 2 or 3, it is characterised in that: the ratio
Solenoid valve is type pilot proportion magnetic valve.
5. a kind of hydraulic device of double-roll crusher according to claim 1 or 2 or 3, it is characterised in that: the commutation
Valve is 3-position 4-way electro-hydraulic reversing valve.
6. a kind of hydraulic device of double-roll crusher according to claim 1 or 2 or 3, it is characterised in that: the control
Device includes PLC.
7. a kind of hydraulic device of double-roll crusher according to claim 1 or 2 or 3, it is characterised in that: described broken
Machine further includes rotary fixing base, and the second breaker roll is arranged on rotary fixing base to be moved with opposite or opposite first breaker roll,
The two hydraulic cylinder output ends are pivotally connected with rotary fixing base both ends respectively.
8. a kind of double-roll crusher, it is characterised in that: including rack, the first breaker roll, the second breaker roll, be arranged on the rack
Rotary fixing base and hydraulic device as claimed in claim 1, the second breaker roll be arranged on rotary fixing base, liquid
Two hydraulic cylinder output ends of pressure device are pivotally connected with rotary fixing base both ends respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651341.5U CN208928260U (en) | 2018-10-11 | 2018-10-11 | A kind of double-roll crusher and its hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651341.5U CN208928260U (en) | 2018-10-11 | 2018-10-11 | A kind of double-roll crusher and its hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208928260U true CN208928260U (en) | 2019-06-04 |
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ID=66724221
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651341.5U Active CN208928260U (en) | 2018-10-11 | 2018-10-11 | A kind of double-roll crusher and its hydraulic device |
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| CN (1) | CN208928260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359308A (en) * | 2019-07-16 | 2019-10-22 | 温州市瓯海万里筛选设备厂 | The clamp pressure detection system and method for press rolls for basic cellulose |
-
2018
- 2018-10-11 CN CN201821651341.5U patent/CN208928260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359308A (en) * | 2019-07-16 | 2019-10-22 | 温州市瓯海万里筛选设备厂 | The clamp pressure detection system and method for press rolls for basic cellulose |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co., Ltd Address before: 362000 West Industrial Zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |