CN107975514A - Oil cylinder and crusher - Google Patents
Oil cylinder and crusher Download PDFInfo
- Publication number
- CN107975514A CN107975514A CN201711443911.1A CN201711443911A CN107975514A CN 107975514 A CN107975514 A CN 107975514A CN 201711443911 A CN201711443911 A CN 201711443911A CN 107975514 A CN107975514 A CN 107975514A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- oil cylinder
- oil
- chamber
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims description 100
- 239000012530 fluid Substances 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 4
- 239000000346 nonvolatile oil Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of oil cylinder and crusher.Wherein, oil cylinder includes cylinder barrel, piston, piston rod and Bit andits control mechanism, and Bit andits control mechanism is used for the working oil path that oil cylinder is closed when piston rod stretches out pre-determined distance relative to cylinder barrel.The working oil path of oil cylinder is closed when piston rod stretches out pre-determined distance relative to cylinder barrel by Bit andits control mechanism, the outreach of piston rod is distribution accurately controlled, and can accurately realize reset after piston rod compression, and reliability is high, and exploitativeness is good.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of oil cylinder and crusher.
Background technology
Impact breaker is used for the break process of middle soft material, is widely used in mine, stone pit, building waste
The material break process of a variety of occasions such as processing.Adjust impact breaker nesting population size, you can discharging size is adjusted, so that
Meets the needs of different material particle diameter；To ensure that marker size is uniform, and avoid the hard ware materials such as iron block from entering broken machine cavity, break
Bad host, discharge gate regulating system, which must also have, overloaded iron protection and reset function.
Traditional counterpunch board regulating system realizes overload protection using wire spring more, and structure size is big, weight is big.Adjust
Complicated, when especially needing larger pretightning force, screw-down torque is huge, it is very difficult to operates.
Nesting population size is adjusted using oil cylinder in the prior art, although easy to adjust, exist and resets inaccuracy
Defect.
The content of the invention
To overcome above technological deficiency, the technical problem to be solved by the present invention is to provide a kind of oil cylinder and crusher, Neng Gouzhun
Really realize the flexible reset of oil cylinder.
In order to solve the above technical problems, the present invention provides a kind of oil cylinder, it includes cylinder barrel, piston, piston rod and position
Control mechanism is moved, Bit andits control mechanism is used for the working oil that oil cylinder is closed when piston rod stretches out pre-determined distance relative to cylinder barrel
Road.
Further, Bit andits control mechanism includes controller and displacement sensor, and displacement sensor is used to detect piston rod
Relative to cylinder barrel stretch out displacement and feed back to controller, controller be used for close oil cylinder when displacement is consistent with pre-determined distance
Working oil path.
Further, displacement sensor includes the detection bar stretched into piston and piston rod and is arranged in piston simultaneously ring set
The annulus magnet of detection bar.
Further, Bit andits control mechanism includes controller and the trigger member that can be fixed relative to piston rod, and trigger member is used
In when piston rod stretches out pre-determined distance trigger controller to close the working oil path of oil cylinder.
Further, trigger member is to be arranged in the rod chamber of oil cylinder and the ring baffle on piston rod that is slidably located in,
Rod chamber is divided into the first chamber for being distal and proximal to piston by ring baffle and the second chamber, trigger member are consolidated relative to piston rod
The fixed oil feeding line by closing the second chamber is realized.
Further, controller includes the travel switch being arranged on cylinder barrel, for when piston rod stretches out pre-determined distance
Triggered by ring baffle to close the working oil path of oil cylinder.
Further, the hollow cavity communicated with the second chamber is equipped with piston rod, the external part of piston rod is equipped with and hollow cavity
The piston rod hydraulic fluid port communicated, oil feeding line is by piston rod hydraulic fluid port and hollow cavity to the second chamber oil inlet or oil return.
Present invention also offers a kind of crusher, it includes above-mentioned oil cylinder, and oil cylinder is used for the discharge gate for adjusting crusher
Size.
Further, rack, counterpunch board and rotor are further included, cylinder barrel is fixedly installed with rack, counterpunch board and piston rod
External part be connected.
Further, crusher is impact breaker.
Thus, based on above-mentioned technical proposal, oil cylinder of the present invention passes through Bit andits control mechanism by setting Bit andits control mechanism
The working oil path of oil cylinder is closed when piston rod stretches out pre-determined distance relative to cylinder barrel, the outreach of piston rod is accurately controlled
System, and can accurately realize reset after piston rod compression, reliability is high, and exploitativeness is good.Crusher provided by the invention
Pass through the oil cylinder so that it is accurate to reset, and has higher exploitativeness.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is only used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of oil cylinder embodiment of the present invention；
Fig. 2 is the structure diagram of crusher embodiment of the present invention.
Each reference numeral represents respectively：
1st, oil cylinder；11st, cylinder bottom；12nd, cylinder barrel；12-1, rodless cavity hydraulic fluid port；12-2, rod chamber hydraulic fluid port；13rd, piston；14th, touch
Outbox；15th, guide sleeve；16th, piston rod；16-1, head；16-2, the body of rod；16-3, core pipe；16-4, earrings；16-5, connection oil
Mouthful；16-6, piston rod hydraulic fluid port；17th, displacement sensor；18th, annulus magnet；19th, residual shim；20th, travel switch；A, without bar
Chamber；B, the first chamber；C, the second chamber.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The embodiment of the present invention is for the ease of the design to the present invention, the technical problem solved, forms skill
The technical characteristic of art scheme and the technique effect brought have further description.It should be noted that for these embodiment party
The explanation of formula does not form limitation of the invention.In addition, the technology involved in the embodiment of present invention described below is special
As long as sign does not form conflict and is mutually combined each other.
In the schematical embodiment of oil cylinder one of the present invention, as shown in Figure 1, oil cylinder 1 includes cylinder bottom 11, cylinder barrel 12, lives
Plug 13, guide sleeve 15, piston rod 16 and Bit andits control mechanism, Bit andits control mechanism are used in piston rod 16 relative to cylinder barrel 12
The working oil path of oil cylinder 1 is closed when stretching out pre-determined distance.
In the schematical embodiment, oil cylinder 1 is by setting Bit andits control mechanism, by Bit andits control mechanism in piston
Bar 16 closes the working oil path of oil cylinder when stretching out pre-determined distance relative to cylinder barrel 12, piston rod 16 stops stretching out, piston rod 16
Outreach is distribution accurately controlled, and can accurately realize reset after piston rod compression, and reliability is high, and exploitativeness is good.
As the first preferred implementation of Bit andits control mechanism, as shown in Figure 1, Bit andits control mechanism include controller and
Displacement sensor 17, displacement sensor 17 are used to detect the displacement that piston rod 16 is stretched out relative to cylinder barrel 12 and feed back to control
Device, controller are used for the working oil path that oil cylinder 1 is closed when the stretching displacement of piston rod 16 is consistent with pre-determined distance.Displacement passes
The setting of sensor can accurately know the stretching displacement of piston rod 16, and when stretching displacement reaches pre-determined distance, controller is closed
The rodless cavity A of the working oil path of oil cylinder 1, i.e. oil cylinder 1 and the oil circuit of rod chamber are shut, and piston rod 16 stably rests on pre-
If at distance and position, there is higher exploitativeness.
Wherein, as shown in Figure 1, in a specific embodiment, displacement sensor 17, which preferably includes, stretches into piston 13
With the detection bar in piston rod 16 and the annulus magnet 18 for being arranged on the interior simultaneously ring set detection bar of piston 13, which passes through reality
Trampling proves that detection accuracy is high, and residual shim 19 is being additionally provided with the position of annulus magnet 18.
Certainly, displacement sensor can also be the displacement sensor of other structures form, such as photoelectric sensor.
As the second preferred implementation of Bit andits control mechanism, still as shown in Figure 1, Bit andits control mechanism includes controller
With the trigger member 14 that can be fixed relative to piston rod 16, trigger member 14 is used for the triggering control when piston rod 16 stretches out pre-determined distance
Device is to close the working oil path of oil cylinder 1.Trigger member 14 can be fixedly provided on piston rod 16, is needing to adjust piston rod 16
During the pre-determined distance of stretching, change fixed position of the trigger member 14 relative to piston rod 16, when piston rod 16 stretches out new preset
Apart from when 14 trigger controller of trigger member, controller closes the working oil path of oil cylinder 1, and piston rod 16 stably rests on new pre-
If at distance and position, there is higher exploitativeness.When piston rod 16, which receives external pressure, retracts, trigger member 14 is relative to work
Stopper rod 16 is fixed, and control is triggered again when external pressure disappearance piston rod 16 extend out to trigger member 14 at pre-determined distance position again
Device processed, controller close the working oil path of oil cylinder 1, and piston rod 16 is stably rested at the pre-determined distance position, so as to fulfill
The accurate reset of oil cylinder, has very high exploitativeness.
For how to realize that trigger member 14 is adjustable relative to the fixed position of piston rod 16, in a preferred embodiment
In, as shown in Figure 1, trigger member 14 is to be arranged on the ring baffle in the rod chamber of oil cylinder 1 and being slidably located on piston rod 16,
Rod chamber is divided into the first chamber B and the second chamber C for being distal and proximal to piston 13 by ring baffle, by the first chamber B and
Second chamber C fuel feeding realizes that trigger member 14 is adjustable relative to the position of piston rod 16, and trigger member 14 is solid relative to piston rod 16
Rule is realized by the oil feeding line for closing the second chamber C.Specifically or preferably, as shown in Figure 1, controller includes being arranged on cylinder
Travel switch 20 on cylinder 12, for being triggered when piston rod 16 stretches out pre-determined distance by ring baffle to close the work of oil cylinder 1
Make oil circuit, it is easy to accomplish, exploitativeness is high.
In order to ensure that oil feeding line to the second chamber C reliably oil inlet or oil returns, avoids piston rod from being blocked in telescopic process
The fuel feeding of second chamber C, at one specifically or in preferred embodiment, as shown in Figure 1, piston rod 16 includes head 16-1, bar
Body 16-2 and core pipe 16-3, piston rod 16 is interior to be equipped with the hollow cavity communicated with the second chamber C, and hollow cavity is by connecting hydraulic fluid port 16-5
Communicated with the second chamber C, the external part of piston rod 16 is equipped with the piston rod hydraulic fluid port 16-6 communicated with hollow cavity, and oil feeding line passes through work
Stopper rod hydraulic fluid port 16-6 and hollow cavity are to the second chamber C oil inlets or oil return.
Bit andits control mechanism in certain oil cylinder of the present invention can include displacement sensor 17 and trigger member 14 at the same time, both
Cooperate, it is ensured that the positioning accuracy of piston rod.
Present invention also offers a kind of crusher, it includes above-mentioned oil cylinder 1, and oil cylinder 1 is used for the discharge for adjusting crusher
Mouth size.By the way that oil cylinder of the present invention is adjusted the discharge gate size of crusher applied to crusher, discharge gate is not only realized
Automatic adjustment, while have and overloaded iron and auto-reset function.Oil cylinder of the present invention is particularly suitable for impact breaker.
Crusher of the present invention one is specific or preferred embodiment in, as shown in Fig. 2, crusher further include rack 2,
Counterpunch board 3 and rotor 4, cylinder barrel 12 are fixedly installed with rack, the earrings 16-4 phases of counterpunch board 3 and the external part of piston rod 16
Even, the discharge gate of crusher is formed between counterpunch board 3 and rotor 4.
Illustrate that oil cylinder of the present invention is applied to the course of work of crusher by taking the embodiment shown in Fig. 1 and Fig. 2 as an example below
It is as follows：
Original state, rotor 4 is static and is in designated position, and counterpunch board 3 decides discharge gate with rotor 4 apart from size
Size, first to the size of discharge gate needed for controller input, controller can be converted to discharge gate size according to setting program
The pre-determined distance that piston rod 16 moves, piston rod 16 connect counterpunch board 3, the rodless cavity hydraulic fluid port 12-1 oil inlets of rodless cavity A, the first chamber
The rod chamber hydraulic fluid port 12-2 oil returns of B, the piston rod hydraulic fluid port 16-6 oil returns of the second chamber C, can promote piston 13, piston rod 16 and counterattack
Plate 3 moves forward, and after counterpunch board 3 is contacted with rotor 4, receives controller instruction, rod chamber hydraulic fluid port 12-2 oil inlets, rodless cavity oil
Mouth 12-1 oil returns, piston rod 16 drive counterpunch board 3 to be moved rearwards pre-determined distance, you can realize the automatic adjustment of discharge gate.
After the size adjustment of discharge gate, the oil circuit of rodless cavity A is closed, and the second chamber C passes through piston rod hydraulic fluid port 16-6
Trigger member 14 is promoted to be moved to 15 direction of guide sleeve with connection hydraulic fluid port 16-5 oil inlets, rod chamber hydraulic fluid port 12-2 oil returns, fluid, triggering
Part 14 is moved to terminal and pushes down travel switch 20, and controller obtains signal, the oil circuit of rodless cavity A, the first chamber B and the second chamber C
Close；When system overload crosses iron, the rodless cavity A pressure rises of oil cylinder 1 exceed setting value, and rodless cavity hydraulic fluid port 12-1 drainings, have
Rod cavity hydraulic fluid port 12-2 repairings, discharge gate become larger, and overload iron material and are excluded, simultaneously because the oil circuit of the second chamber C is closed, triggering
Part 14 is moved with piston rod 16 and moved to the direction away from guide sleeve 15, and travel switch 20 powers off at this time, and controller obtains letter
Number, then control rodless cavity hydraulic fluid port 12-1 oil inlets, rod chamber hydraulic fluid port 12-2 oil returns, trigger member 14 moved with piston rod 16 and again to
Guide sleeve 15 moves and pushes down travel switch 20, and the oil circuit of rodless cavity A, the first chamber B and the second chamber C are closed, and counterpunch board 3 is multiple
Position, discharge gate reset, and the whole work period moves in circles, and realize protection and the auto-reset function for overloading iron.
Above in association with embodiment be described in detail for embodiments of the present invention, but the present invention is not limited to be retouched
The embodiment stated.For example, oil cylinder of the present invention is also applied in Other Engineering motor vehicles and machines.For those skilled in the art
Member for, in the case where not departing from the principle of the present invention and connotation to these embodiments carry out it is a variety of change, modification,
Equivalence replacement and modification are still fallen within protection scope of the present invention.
Claims (10)
1. a kind of oil cylinder (1), it is characterised in that including cylinder barrel (12), piston (13), piston rod (16) and Bit andits control machine
Structure, the Bit andits control mechanism are used to close institute when the piston rod (16) stretches out pre-determined distance relative to the cylinder barrel (12)
State the working oil path of oil cylinder (1).
2. oil cylinder (1) according to claim 1, it is characterised in that the Bit andits control mechanism includes controller and displacement
Sensor (17), institute's displacement sensors (17) are used to detect the position that the piston rod (16) is stretched out relative to the cylinder barrel (12)
Move and feed back to the controller, the controller is used to close the oil when the displacement is consistent with the pre-determined distance
The working oil path of cylinder (1).
3. oil cylinder (1) according to claim 2, it is characterised in that institute's displacement sensors (17) include stretching into the work
Fill in the detection bar in (13) and piston rod (16) and be arranged in the piston (13) the simultaneously annulus magnet of detection bar described in ring set
(18)。
4. oil cylinder (1) according to claim 1, it is characterised in that the Bit andits control mechanism include controller and
Can be relative to the fixed trigger member (14) of the piston rod (16), the trigger member (14) is used to stretch out in the piston rod (16)
The controller is triggered during pre-determined distance to close the working oil path of the oil cylinder (1).
5. oil cylinder (1) according to claim 4, it is characterised in that the trigger member (14) is to be arranged on the oil cylinder (1)
Rod chamber in and the ring baffle that is slidably located on the piston rod (16), the ring baffle rod chamber is split
To be distal and proximal to the first chamber (B) of the piston (13) and the second chamber (C), the trigger member (14) is relative to the work
The fixed oil feeding line by closing second chamber (C) of stopper rod (16) is realized.
6. oil cylinder (1) according to claim 5, it is characterised in that the controller includes being arranged on the cylinder barrel (12)
On travel switch (20), for the piston rod (16) stretch out pre-determined distance when by the ring baffle trigger to close
State the working oil path of oil cylinder (1).
7. oil cylinder (1) according to claim 5, it is characterised in that be equipped with and second chamber in the piston rod (16)
(C) hollow cavity communicated, the external part of the piston rod (16) are equipped with the piston rod hydraulic fluid port (16-6) communicated with the hollow cavity,
The oil feeding line is by the piston rod hydraulic fluid port (16-6) and the hollow cavity to the second chamber (C) oil inlet or oil return.
8. a kind of crusher, it is characterised in that including claim 1~7 any one of them oil cylinder (1), the oil cylinder (1) is used
In the discharge gate size for adjusting the crusher.
9. crusher according to claim 8, it is characterised in that further include rack (2), counterpunch board (3) and rotor
(4), the cylinder barrel (12) is fixedly installed with the rack, and the counterpunch board (3) is connected with the external part of the piston rod (16).
10. crusher according to claim 8, it is characterised in that the crusher is impact breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443911.1A CN107975514B (en) | 2017-12-27 | 2017-12-27 | Oil cylinder and crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443911.1A CN107975514B (en) | 2017-12-27 | 2017-12-27 | Oil cylinder and crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975514A true CN107975514A (en) | 2018-05-01 |
| CN107975514B CN107975514B (en) | 2023-10-03 |
Family
ID=62008113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443911.1A Active CN107975514B (en) | 2017-12-27 | 2017-12-27 | Oil cylinder and crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975514B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679043A (en) * | 2018-06-29 | 2018-10-19 | 中铁工程装备集团有限公司 | A kind of broken Oil cylinder and its sealing monitoring system |
| CN112024053A (en) * | 2020-09-18 | 2020-12-04 | 湖南三一快而居住宅工业有限公司 | Drive adjusting device and rubbing crusher |
| CN112555227A (en) * | 2020-11-20 | 2021-03-26 | 湖南三一快而居住宅工业有限公司 | Automatic adjusting system for sizes of oil cylinder and material opening and crusher |
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| US5718389A (en) * | 1995-03-25 | 1998-02-17 | Krupp Fordertechnik Gmbh | Crushing machine and method for the automatic adjustment of the crushing gap thereof |
| US20030132328A1 (en) * | 2002-01-11 | 2003-07-17 | Musil Joseph E. | Dynamic tramp iron relief system |
| US20060202075A1 (en) * | 2005-03-14 | 2006-09-14 | Cedarapids, Inc. | Jaw-type rock crusher with toggle plate tension bar |
| JP2011158027A (en) * | 2010-02-01 | 2011-08-18 | Santest Co Ltd | Fluid pressure actuator which can detect position and load |
| CN104772187A (en) * | 2015-03-30 | 2015-07-15 | 南京梅山冶金发展有限公司 | Control method for automatic adjusting of roller gap of four-roller crusher |
| WO2016199374A1 (en) * | 2015-06-11 | 2016-12-15 | Smc Corporation | Fluid pressure cylinder |
| CN205925855U (en) * | 2016-07-04 | 2017-02-08 | 江苏山宝集团有限公司 | Backstroke crusher bin outlet adaptive control system |
| CN208252502U (en) * | 2017-12-27 | 2018-12-18 | 徐工集团工程机械有限公司 | Oil cylinder and crusher |
-
2017
- 2017-12-27 CN CN201711443911.1A patent/CN107975514B/en active Active
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| US5718389A (en) * | 1995-03-25 | 1998-02-17 | Krupp Fordertechnik Gmbh | Crushing machine and method for the automatic adjustment of the crushing gap thereof |
| US20030132328A1 (en) * | 2002-01-11 | 2003-07-17 | Musil Joseph E. | Dynamic tramp iron relief system |
| US20060202075A1 (en) * | 2005-03-14 | 2006-09-14 | Cedarapids, Inc. | Jaw-type rock crusher with toggle plate tension bar |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679043A (en) * | 2018-06-29 | 2018-10-19 | 中铁工程装备集团有限公司 | A kind of broken Oil cylinder and its sealing monitoring system |
| CN108679043B (en) * | 2018-06-29 | 2023-09-22 | 中铁工程装备集团有限公司 | Crusher oil cylinder and sealing monitoring system thereof |
| CN112024053A (en) * | 2020-09-18 | 2020-12-04 | 湖南三一快而居住宅工业有限公司 | Drive adjusting device and rubbing crusher |
| CN112024053B (en) * | 2020-09-18 | 2021-12-28 | 湖南三一快而居住宅工业有限公司 | Drive adjusting device and rubbing crusher |
| CN112555227A (en) * | 2020-11-20 | 2021-03-26 | 湖南三一快而居住宅工业有限公司 | Automatic adjusting system for sizes of oil cylinder and material opening and crusher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107975514B (en) | 2023-10-03 |
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