CN106514492A - Adjusting and controlling device of position of horizontal roller - Google Patents
Adjusting and controlling device of position of horizontal roller Download PDFInfo
- Publication number
- CN106514492A CN106514492A CN201510573615.8A CN201510573615A CN106514492A CN 106514492 A CN106514492 A CN 106514492A CN 201510573615 A CN201510573615 A CN 201510573615A CN 106514492 A CN106514492 A CN 106514492A
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- Prior art keywords
- hydraulic
- hydraulic motor
- valve
- solenoid directional
- horizontal roller
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
An adjusting and controlling device of the position of a horizontal roller comprises the horizontal roller, an eccentric mechanism, a worm and worm gear mechanism, a hydraulic motor and a hydraulic control unit. The worm and worm gear mechanism is driven by the hydraulic motor. The worm and worm gear mechanism drives an eccentric shaft of an eccentric mechanism to rotate so that adjustment of a bearing seat of the horizontal roller can be achieved. The hydraulic motor is connected with the hydraulic control unit. The hydraulic control unit comprises an electromagnetic directional valve and one-way throttle valves. The adjusting and controlling device of the position of the horizontal roller is characterized in that a hydraulic band-type brake is arranged between the worm and worm gear mechanism and the hydraulic motor, and when the electromagnetic directional valve is in the power-off state, locking of the position of the horizontal roller is achieved through the hydraulic band-type brake; and besides, the hydraulic control unit is improved, a shuttle valve is additionally arranged so that the hydraulic band-type brake can be smoothly opened or closed, and the locking function is achieved. The adjusting and controlling device of the position of the horizontal roller is simple in structure and convenient to adjust and reliable in control and effectively solves the serious problem that because of the change of the adjustment position of the horizontal roller of a stainless steel grinder, the quality of ground products is influenced.
Description
Technical field
A kind of a kind of the present invention relates to stainless-steel grinding machine horizontal roller position control technology, more particularly to tune of horizontal roller position
Section control device.
Background technology
With the fast development of China's economy, the continuous improvement of people's living standard, stainless steel product answering in daily life
With increasing, such as industries such as tableware, elevator, art works.At present, rustless steel market is needed to grinding stainless steel product
The amount of asking gradually increases, and increases production production capacity hence for enterprises of producing stainless steel, improves stainless-steel grinding product quality, right
Enterprise increases economic efficiency and is particularly important.
In cold-rolling stainless steel production process, in order to eliminate some qualitative defects of belt steel surface or specific in order to obtain
Belt steel surface demand, need to be ground process to stainless steel band steel surface.Large-size stainless steel enterprise is typically connected using multi-frame
Continuous grinding, so as to improve production efficiency.
Grinding unit has complete set to be reliably ground frame, and the frame is by back-pressure deflector roll, horizontal roller, dummy roll and abrasive band
Swing mechanism is constituted.When the high rustless steel of the unit production surface quality requirements, both sides back-pressure deflector roll is lifted, horizontal roller
Decline, strip steel forms concave shape and is ground.When unit production surface quality requirements are not high or eliminate belt steel surface
During defect, both sides back-pressure deflector roll declines, and horizontal roller is lifted, and strip steel forms "convex" shaped shape and is ground.When using " convex "
When word shape is ground, always occur being ground at fore side steel edge portion about 20mm less than the strip quality being ground out reaches not
Require to regulation, the phenomenon of doing over again such as cause strip steel be ground again, so as to considerably increase production cost, so problem begins
The normal performance of unit quality and production capacity is govern eventually.
The content of the invention
The technical problem to be solved is to provide a kind of control set for adjusting of horizontal roller position, its simple structure,
Easy to adjust, control is reliable, can greatly improve strip steel grinding quality and work efficiency, so as to improve abrasive product quality
And unit grinding production capacity.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of control set for adjusting of horizontal roller position,
Including horizontal roller, eccentric stiffener, worm-and-wheel gear, hydraulic motor and hydraulic control unit, the worm and gear machine
By fluid motor-driven, worm-and-wheel gear drives the eccentric shaft turns of eccentric stiffener to realize the tune of horizontal roll shaft bearing to structure
Section, the hydraulic motor are connected with hydraulic control unit, and the hydraulic control unit includes solenoid directional control valve and unidirectional section
Stream valve, it is characterised in that：A hydraulic contracting is provided between the worm-and-wheel gear and hydraulic motor, works as electromagnetic switch
When valve is in power failure state, the locking of horizontal roller position is realized by hydraulic contracting.
Used as improvement, the output shaft of the hydraulic contracting is connected with worm-and-wheel gear by cog-wheel coupling and power transmission shaft
Connect, the other end is connected with the output shaft of hydraulic motor.
Improve again, the output shaft and hydraulic contracting of the hydraulic motor is using bonded.
As improvement, the hydraulic control unit also including one can twocouese provide pressure oil to hydraulic contracting shuttle valve, institute
One-way throttle valve is stated for two, is separately positioned on the left and right two ends oil circuit of hydraulic motor, is then connected to solenoid directional control valve
Two oil-outs on, shuttle valve is connected between the oil-out of solenoid directional control valve, and shuttle valve passes through another fluid pressure line and hydraulic pressure
Band-type brake is directly connected to, when solenoid directional control valve right-hand member obtains electric, pressure oil through right one-way choke valve, by hydraulic motor
Right-hand member oil circuit enter hydraulic motor, while another road pressure oil enters hydraulic contracting by shuttle valve, and open hydraulic contracting
Rotate counterclockwise hydraulic motor, when solenoid directional control valve left end obtains electric, pressure oil passes through through left side one-way throttle valve
The left end oil circuit stream of hydraulic motor enters hydraulic motor, while another road pressure oil enters hydraulic contracting by shuttle valve, and opens
Hydraulic contracting rotates clockwise hydraulic motor.
Used as improvement, the solenoid directional control valve is Y shape solenoid directional control valve, and the left and right of solenoid directional control valve is respectively arranged at two ends with again
Position spring, when solenoid directional control valve is in power failure state, makes solenoid directional control valve in an intermediate position by back-moving spring, this
When hydraulic motor left and right two ends oil circuit and hydraulic contracting control oil be connected with the oil back chamber of solenoid directional control valve.
Improve again, the hydraulic contracting is fixed together with hydraulic motor shell by bolt, hydraulic motor by base with
Gantry base is bolted and is fixed together.
Compared with prior art, it is an advantage of the current invention that：Setting up between worm-and-wheel gear and hydraulic motor can be to water
The hydraulic contracting locked by plain-barreled roll position, and hydraulic control unit is improved, a shuttle valve is set up, hydraulic pressure can be made
Band-type brake energy smooth opening or closing, play locking function.Present configuration is simple, easy to adjust and controls reliability, effectively
Stainless-steel grinding machine is solved because horizontal roller adjusting position changes, the serious problems of abrasive product quality is affected so that level
Roller stops and will not be changed by external force change in any position, so as to improve stainless steel product grinding quality, makes strip steel
Disposably it is ground successfully, greatlys save rustless steel grinding cost, the work efficiency of grinding unit also greatly improved,
Description of the drawings
Fig. 1 is the structural representation for improving front horizontal roller governor motion；
Fig. 2 is the structural representation of the horizontal roller control set for adjusting of the present invention；
Fig. 3 is horizontal roller hydraulic principle figure before improving；
Fig. 4 is the horizontal roller hydraulic principle figure of the present invention；
Structural representations of the Fig. 5 for hydraulic contracting；
Fig. 6 is hydraulic contracting and worm-and-wheel gear, the connection diagram of hydraulic motor.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Fig. 1,3 are the horizontal roller position adjusting mechanism before improving, including horizontal roller 1, eccentric stiffener 3, worm and gear machine
Structure 2, hydraulic motor 4 and hydraulic control unit, horizontal roller position adjusting mechanism are driven by hydraulic motor 4, hydraulic motor
4 drive worm screw by power transmission shaft, are rotated by worm screw and drive worm gear, then the eccentric shaft for being rotarily driven eccentric stiffener 3 by worm gear
Rotate, realize the micro action up and down of horizontal roll shaft bearing, so as to realize the regulation and control of 1 position of horizontal roller.But due to
In grinding process, strip steel has downward active force to horizontal roller 1, eccentric shaft position can be made to change, level occur
1 position of roller declines, and increases the gap between horizontal roller 1 and strip steel, so as to the position strip steel cannot be ground to completely,
There are strip steel serious quality problems, needs are ground strip steel again once, that is, increased grinding process cost, and drop significantly
Low unit production efficiency.
In addition, hydraulic control unit includes one-way throttle valve 6 and 7, solenoid directional control valve 8, solenoid directional control valve 8 is O shapes
Solenoid directional control valve, its control principle is：When solenoid directional control valve 8 must be electric, hydraulic oil is by solenoid directional control valve 8 through single
Hydraulic motor 4 is entered to choke valve 6 or 7, horizontal roller governor motion is directly driven by hydraulic motor 4, horizontal roller is realized
1 moves up and down.Due to solenoid directional control valve 8, its Median Function is O shapes, during 8 resting state of solenoid directional control valve of the function
Internal leakage probability is larger, i.e., when which produces internal leakage, pressure oil can enter pipeline and reach hydraulic motor 4, to pressure
When reaching to a certain degree, hydraulic motor 4 can be made to drive horizontal roller governor motion, so as to meeting occurred level change in location.
As shown in Fig. 2,4,5,6, the control set for adjusting of the horizontal roller position of the present embodiment, including horizontal roller 1, partially
Concentric mechanism 3, worm-and-wheel gear 2, hydraulic motor 4, hydraulic contracting 5 and hydraulic control unit, hydraulic contracting 5 are arranged
Between worm-and-wheel gear 2 and hydraulic motor 4, for locking to horizontal roller 1, hydraulic contracting 5 it is defeated
Shaft passes through cog-wheel coupling 51 and power transmission shaft 52 and is connected with worm-and-wheel gear 2, the other end and hydraulic motor 4
Output shaft is connected, and hydraulic motor 4 is connected with hydraulic control unit, and hydraulic contracting 5 is by bolt and hydraulic motor 4
Shell is fixed together, and hydraulic motor 4 is bolted with gantry base by base and is fixed together；Hydraulic control
Unit includes two one-way throttle valves 6 and 7, shuttle valve 9 and solenoid directional control valve 8, and solenoid directional control valve 8 is changed for Y shape electromagnetism
To valve, one-way throttle valve 6 and 7 is separately positioned on the left and right two ends oil circuit 41 and 42 of hydraulic motor 4, then connects
On two oil-outs of solenoid directional control valve, shuttle valve 9 is connected between the oil-out of solenoid directional control valve 8, and shuttle valve 9 passes through
Another fluid pressure line 10 is directly connected to hydraulic contracting 5, and when 9 right-hand member A of solenoid directional control valve obtains electric, pressure oil is passed through
Right one-way choke valve 7, enters hydraulic motor 4 by the right-hand member oil circuit 42 of hydraulic motor 4, while another road pressure oil
Hydraulic contracting 5 is entered along fluid pressure line 10 by shuttle valve 9, and opening hydraulic contracting 5 makes hydraulic motor 4 turn counterclockwise
It is dynamic, when 8 left end B of solenoid directional control valve obtains electric, pressure oil through left side one-way throttle valve 6, by hydraulic motor 4
41 stream of left end oil circuit enters hydraulic motor 4, while another road pressure oil enters hydraulic pressure by shuttle valve 5 along fluid pressure line 10
Band-type brake 5, and opening hydraulic contracting 5 rotates clockwise hydraulic motor 1；When solenoid directional control valve 9 is in power failure state,
That is centre position, the oil release of 4 pressure at both sides of hydraulic motor, hydraulic motor 4 is cut out in free state, shuttle valve 9, logical
Cross hydraulic contracting 5 to hold horizontal roller whole governor motion tightly, so as to realize 1 position locking function of horizontal roller；Electromagnetic switch
The left and right of valve 8 is respectively arranged at two ends with back-moving spring 81, when solenoid directional control valve 8 is in power failure state, by back-moving spring
81 make solenoid directional control valve 8 in an intermediate position, and now the left and right two ends oil circuit and hydraulic contracting 5 of hydraulic motor 4 is controlled
Oil is connected with the oil back chamber T-phase of solenoid directional control valve 5.
Specific work process is：
When operator press horizontal roller 1 declines button, the A ends of solenoid directional control valve 8 obtain electric, and pressure oil P is by electricity
8 right chamber of magnetic reversal valve enters hydraulic motor 4 into 7 stream of right one-way choke valve, while another road control pressure oil is through shuttle
Valve 9, then hydraulic contracting 5 is directly entered by conduit under fluid pressure 10, and hydraulic contracting 5 is opened, now hydraulic motor 4 is opened
Beginning rotates counterclockwise, and drives worm-and-wheel gear 2 to rotate, and worm-and-wheel gear 2 drives eccentric stiffener 3 to make horizontal roller again
1 downward actuation, realizes that horizontal roller 1 declines function.When operator press horizontal roller 1 rises button, electromagnetic switch
The B ends of valve 8 obtain electric, and pressure oil enters hydraulic motor 4 by 8 left chamber of solenoid directional control valve into 6 stream of left side one-way throttle valve,
Simultaneously another road control pressure oil Jing shuttle valves 9 hydraulic contracting 5 is directly entered by conduit under fluid pressure 10, and opens hydraulic pressure armful
Lock 5, now hydraulic motor 4 start to rotate clockwise, drive worm-and-wheel gear 2 rotate, worm-and-wheel gear 2 is again
Drive eccentric stiffener 3 to make the action upwards of horizontal roller 1, realize that horizontal roller 1 rises function.When operator stop horizontal roller
During position adjustments, 8 two ends of solenoid directional control valve must not be electric, and when being resetted by back-moving spring 81, solenoid directional control valve 8 is in
Centre position, now 5 two ends oil circuit 41 and 42 of hydraulic motor and hydraulic contracting 5 control oil connect with oil back chamber T-phase,
Residual pressure oil flows back to fuel tank, and hydraulic contracting 5 is held whole horizontal roller position adjusting mechanism tightly by spring force, makes level
Roller can rest on any position will not be changed, so as to reach the function of locking.
Below the innovation of the present invention is specifically described：
First, design a set of horizontal roller position locking device
Inventive point 1：On the basis of previous level roller position adjustment function is ensured, increase a brand-new function, i.e. water
Plain-barreled roll position locking function.This increased functional device is a hydraulic drive type band-type brake and its hydraulic motor group for matching
Into.The connected mode of hydraulic contracting need to be identical with former connected mode, and makes a cog-wheel coupling being connected with former mechanism,
The fit dimension of cog-wheel coupling need to increase that hydraulic contracting is identical with former mechanism driving shaft size newly, and one end connection hydraulic contracting is defeated
Shaft, the other end are connected with power transmission shaft, and are fixed with hydraulic contracting and power transmission shaft by lock-screw respectively, are prevented
Occurs disengagement problem during rotation.
Inventive point 2：Because stock solution pressure motor need to can not match a new hydraulic motor again with hydraulic contracting Matching installation,
The mounting means of new hydraulic motor need to be identical with the mounting means of stock solution pressure motor, and floor installation size and position are basic
Meet the requirement of stock solution pressure motor, so conveniently efficiently hydraulic motor can be installed.The output of hydraulic motor
Axle is directly attached by suitable key with hydraulic contracting, and hydraulic motor shell is matched with hydraulic contracting shell, is led to
Cross bolt to be fixedly connected.It is fixedly connected with gantry base entirely through bolt by hydraulic motor and hydraulic contracting again.
Inventive point 3：The configuration of conduit under fluid pressure and hydraulic joint need to be redesigned.It is adapted to hydraulic contracting firstly the need of configuration
Hydraulic joint and hydraulic hose, and can be connected with original conduit under fluid pressure, hydraulic contracting smooth opening or closing can be made.
Second, need configuration to be adapted to the hydraulic joint and hydraulic hose of new hydraulic motor, it is also necessary to want to connect with original conduit under fluid pressure
Connect, hydraulic motor can be made smoothly to drive.3rd, rearrange the trend of conduit under fluid pressure.Due to increased fluid pressure line and
Pipeline, and facility compact in frame is ground, pipeline is various, and Jing is often carried out operator to the grinding slag of machine frame inside again
Cleaning, for preventing from destroying conduit under fluid pressure during cleaning, therefore needs to rearrange conduit under fluid pressure, it is to avoid other anthropic factors are led
Pipeline damage or rupture is caused, horizontal roller governor motion disabler is made.
2nd, design a set of horizontal roller position control mode
Inventive point 1：The hydraulic control mode that a set of horizontal roller is adjusted is redesigned, first solenoid directional control valve is carried out again
Type selecting, replaces original solenoid directional control valve.New electromagnetic valve should play a part of commutation, reduce valve risk of leakage again,
From the point of view of the architectural characteristic and field applications of solenoid directional control valve, Y type Median Functions are more conform with requirement, i.e.,
O shape Median Functions originally are changed to Y shape Median Function, so as to prevent causing horizontal roller position because of electromagnetic valve internal leakage
Change.
Inventive point 2：Increase a shuttle valve on the original basis newly, the valve arrangement is simple, easy for installation, low price, and
Pressure oil can be provided to hydraulic contracting with twocouese, i.e., when solenoid directional control valve A ends obtain electric, pressure oil is through right one-way
Choke valve, enters hydraulic motor by pipeline, while another road pressure oil enters hydraulic contracting by shuttle valve, and opens liquid
Pressure band-type brake is so that hydraulic motor is rotated counterclockwise.When solenoid directional control valve B ends obtain electric, pressure oil is unidirectionally saved through left side
Stream valve, enters hydraulic motor by pipeline stream, while another road pressure oil enters hydraulic contracting by shuttle valve, and opens hydraulic pressure
Band-type brake is so that hydraulic motor is rotated clockwise.
By the invention it is possible to effectively solving affects the problem of strip steel grinding quality because horizontal roller adjusting position changes,
Substantially increase grinding efficiency, both improve rustless steel grinding quality, improve again rustless steel grinding production capacity, be it is large-scale not
Stainless-steel grinding quality further improves in Xiu Gang enterprises and yield has laid sturdy basis.
Claims (6)
1. a kind of control set for adjusting of horizontal roller position, including horizontal roller, eccentric stiffener, worm-and-wheel gear, liquid
Pressure motor and hydraulic control unit, the worm-and-wheel gear drive eccentric by fluid motor-driven, worm-and-wheel gear
The eccentric shaft turns of mechanism realize the regulation of horizontal roll shaft bearing, and the hydraulic motor is connected with hydraulic control unit, institute
Stating hydraulic control unit includes solenoid directional control valve and one-way throttle valve, it is characterised in that：The worm-and-wheel gear and hydraulic pressure
A hydraulic contracting is provided between motor, when solenoid directional control valve is in power failure state, horizontal roller is realized by hydraulic contracting
The locking of position.
2. control set for adjusting according to claim 1, it is characterised in that：The output shaft of the hydraulic contracting leads to
Cross cog-wheel coupling and power transmission shaft is connected with worm-and-wheel gear, the other end is connected with the output shaft of hydraulic motor.
3. control set for adjusting according to claim 2, it is characterised in that：The output shaft of the hydraulic motor and
Hydraulic contracting is using bonded.
4. control set for adjusting according to claim 1, it is characterised in that：The hydraulic control unit also includes
One can twocouese provide pressure oil to hydraulic contracting shuttle valve, the one-way throttle valve be two, be separately positioned on hydraulic pressure horse
On the left and right two ends oil circuit for reaching, then it is connected on two oil-outs of solenoid directional control valve, shuttle valve is connected to solenoid directional control valve
Oil-out between, shuttle valve is directly connected to by another fluid pressure line and hydraulic contracting, when solenoid directional control valve right-hand member obtains electric,
Pressure oil enters hydraulic motor through right one-way choke valve by the right-hand member oil circuit of hydraulic motor, while another road pressure
Oil enters hydraulic contracting by shuttle valve, and opening hydraulic contracting rotates counterclockwise hydraulic motor, when solenoid directional control valve left end
When obtaining electric, pressure oil enters hydraulic motor by the left end oil circuit stream of hydraulic motor, while separately through left side one-way throttle valve
Pressure oil enters hydraulic contracting by shuttle valve all the way, and opening hydraulic contracting rotates clockwise hydraulic motor.
5. control set for adjusting according to claim 4, it is characterised in that：The solenoid directional control valve is Y shape electricity
Magnetic reversal valve, the left and right of solenoid directional control valve are respectively arranged at two ends with back-moving spring, when solenoid directional control valve is in power failure state,
Make solenoid directional control valve in an intermediate position by back-moving spring, now the left and right two ends oil circuit and hydraulic contracting of hydraulic motor
Control oil is connected with the oil back chamber of solenoid directional control valve.
6. the control set for adjusting according to Claims 1 to 5 any one claim, it is characterised in that：It is described
Hydraulic contracting is fixed together with hydraulic motor shell by bolt, and hydraulic motor passes through bolt by base with gantry base
It is connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573615.8A CN106514492B (en) | 2015-09-10 | 2015-09-10 | A kind of control set for adjusting of horizontal roller position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573615.8A CN106514492B (en) | 2015-09-10 | 2015-09-10 | A kind of control set for adjusting of horizontal roller position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106514492A true CN106514492A (en) | 2017-03-22 |
| CN106514492B CN106514492B (en) | 2019-04-12 |
Family
ID=58346144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510573615.8A Active CN106514492B (en) | 2015-09-10 | 2015-09-10 | A kind of control set for adjusting of horizontal roller position |
Country Status (1)
| Country | Link |
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| CN (1) | CN106514492B (en) |
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| CN101239447A (en) * | 2007-02-06 | 2008-08-13 | 陈勇奇 | Eccentric shaft type bearing support regulating mechanism and abrasive finishing machine abrasive finishing roller fine tuning method |
| CN201309736Y (en) * | 2008-09-27 | 2009-09-16 | 三一重型装备有限公司 | Motor tension chain control system |
| CN201529674U (en) * | 2009-09-10 | 2010-07-21 | 山西太钢不锈钢股份有限公司 | Control system for steel coil turning in backing roll station |
| CN202000303U (en) * | 2011-03-11 | 2011-10-05 | 王秋江 | Hydraulic soft driving device for rotary trash cleaning machine |
| CN102616694A (en) * | 2012-03-29 | 2012-08-01 | 中联重科股份有限公司 | Hydraulic control loop of hoisting mechanism |
| CN202612232U (en) * | 2012-06-05 | 2012-12-19 | 郑州正弘桩工机械制造有限公司 | Hydraulic motor driving device and long spiral drilling machine main winch adopting same |
| CN202971416U (en) * | 2012-10-29 | 2013-06-05 | 四川邦立重机有限责任公司 | Hydraulic driving device for gear backlash detection |
| CN103470544A (en) * | 2013-09-16 | 2013-12-25 | 愚公机械股份有限公司 | Energy-saving hoisting system of hydraulic crane |
-
2015
- 2015-09-10 CN CN201510573615.8A patent/CN106514492B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239447A (en) * | 2007-02-06 | 2008-08-13 | 陈勇奇 | Eccentric shaft type bearing support regulating mechanism and abrasive finishing machine abrasive finishing roller fine tuning method |
| CN201309736Y (en) * | 2008-09-27 | 2009-09-16 | 三一重型装备有限公司 | Motor tension chain control system |
| CN201529674U (en) * | 2009-09-10 | 2010-07-21 | 山西太钢不锈钢股份有限公司 | Control system for steel coil turning in backing roll station |
| CN202000303U (en) * | 2011-03-11 | 2011-10-05 | 王秋江 | Hydraulic soft driving device for rotary trash cleaning machine |
| CN102616694A (en) * | 2012-03-29 | 2012-08-01 | 中联重科股份有限公司 | Hydraulic control loop of hoisting mechanism |
| CN202612232U (en) * | 2012-06-05 | 2012-12-19 | 郑州正弘桩工机械制造有限公司 | Hydraulic motor driving device and long spiral drilling machine main winch adopting same |
| CN202971416U (en) * | 2012-10-29 | 2013-06-05 | 四川邦立重机有限责任公司 | Hydraulic driving device for gear backlash detection |
| CN103470544A (en) * | 2013-09-16 | 2013-12-25 | 愚公机械股份有限公司 | Energy-saving hoisting system of hydraulic crane |
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| Publication number | Publication date |
|---|---|
| CN106514492B (en) | 2019-04-12 |
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