CN106044602B - Sour rifle lifting gear with monitoring and safeguard function - Google Patents
Sour rifle lifting gear with monitoring and safeguard function Download PDFInfo
- Publication number
- CN106044602B CN106044602B CN201610463070.XA CN201610463070A CN106044602B CN 106044602 B CN106044602 B CN 106044602B CN 201610463070 A CN201610463070 A CN 201610463070A CN 106044602 B CN106044602 B CN 106044602B
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- Prior art keywords
- rifle
- sour
- cylinder
- steel wire
- wire rope
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
Abstract
The present invention relates to a kind of sour rifle lifting gears with monitoring and safeguard function,Including sour rifle,Cylinder,Steel wire rope and controller,Cylinder push-rod is equipped with movable pulley,Steel wire rope one end is connect with sour gun breech portion,The other end passes through movable pulley and fixation,More than one quiet pulley for steering is equipped with along steel wire rope,Sour gun breech portion coordinates with sour rifle slideway,Lower head is equipped with sour rifle and protects sleeve,The stroke both ends of cylinder are respectively equipped with inductive switch,The bottom of the quiet pulley in certain is pressed on pressure sensor,The rod chamber and rodless cavity of cylinder are connect by tracheae with two cylinder ports of middle closed form three-position electromagnetic valve respectively,The exhaust outlet of middle closed form three-position electromagnetic valve is connect by tracheae with exhaust shutter,Air inlet is connect by tracheae with air source,Inductive switch,Pressure sensor,Middle closed form three-position electromagnetic valve and exhaust shutter are connect with controller respectively.Normally whether the device can monitor when carrying rifle and drop rifle, extremely and in place, can realize and steadily lift and abend.
Description
Technical field
The invention belongs to spray roasting acid regeneration fields, and in particular to a kind of sour rifle liter with monitoring and safeguard function
Falling unit.
Background technology
The spent acid that steel or chemical enterprise generate（Such as, hydrochloric acid or the nitration mixture being made of hydrofluoric acid and nitric acid）, generally
It is regenerated using spray roasting, that is, in the sour rifle of furnace roof setting of roaster, acid mist is sprayed into roaster by sour rifle
Reaction is to obtain Related product.The lifting of sour rifle is generally completed by sour rifle lifting gear, and sour rifle lifting gear generally comprises acid
Rifle, cylinder, steel wire rope and controller, cylinder is downwardly directed and cylinder push-rod is equipped with movable pulley, steel wire rope one end and sour gun breech
Portion's connection, the other end pass through movable pulley and fixation, more than one quiet pulley for steering, sour gun breech portion are equipped with along steel wire rope
Being equipped with sour rifle with the cooperation of sour rifle slideway, lower head protects sleeve, the stroke both ends of cylinder to be respectively equipped with inductive switch, and induction is opened
Pass is connect with controller；When carrying rifle, cylinder push-rod stretches out, and pushes movable pulley to move downward, steel wire rope is after the guiding of quiet pulley
It hauls sour rifle along sour rifle slideway to rise, when dropping rifle, cylinder push-rod is retracted, and sour rifle declines due to dead weight, and decrease speed is by cylinder
Retraction speed controls, and sour rifle lifting gear steel wire rope in normal condition is constantly in tensioning state, and the pulling force of steel wire rope is acid
The sum of the gravity of rifle and system friction.
Currently, the stroke both ends setting Magnetic Induction of cylinder switchs, by the stretching position and retraction position of detection cylinder come between
It connects the sour rifle of detection and is in and put forward rifle position and still drop rifle position, but this indirect detection mode has the following problems：1）At the beginning of dropping rifle
Phase, if tartaric acid rifle shakes, sour rifle pipette tips can be stuck in sour rifle insert port, during dropping rifle, if slideway occurs deforming or heap
Product has brown iron oxide, sour rifle that can be stuck on slideway, and when the decline of sour rifle is stuck unmanned find, cylinder will continue to retract to drop rifle
Position, drop rifle position Magnetic Induction switch have signal output, system to think that rifle has dropped in sour rifle by the Magnetic Induction switch on cylinder
In place, and start spray acid, spent acid drips along sour rifle protection sleeve at this time, is crystallized in sour rifle protection sleeve, corrosive acid rifle is protected
Equipment such as sheath, and produce underproof brown iron oxide, at the same cylinder retraction will appear looseness of steel wire ropes in addition be disengaged from the groove it is equal extremely
Situation needs to reeve again if steel wire rope is disengaged from the groove, complicated for operation；2）If sour rifle is stuck in when carrying rifle on sour rifle slideway, pipette tips
In sour rifle protection sleeve, processing can cause high-temperature flue gas to burn out nozzle, sealing ring, or even sour rifle spray nozzle plate not in time
Etc. equipment, cause security risk.
In view of the above-mentioned problems, currently, application No. is 200620096431.3 patents to disclose a kind of " false action-proof acid rifle
Lifting device ", the device can solve the unit exception caused by the leakage of external compression airwaves and cylinder or solenoid valve
The problem of action, the malfunctions such as the sour rifle promotion of generation or decline, but it is unable to monitor shape of the sour rifle in process of rising or falling
State.Application No. is 201020297543.1 patents to disclose a kind of " the sour rifle lifting device of regeneration of hydrochloric acid system ", the device
Judge that the abnormal conditions of sour rifle, the program are only capable of detecting the state of sour rifle by the way that stretching force detecting apparatus is arranged on a steel cord,
It can not solve the problems, such as that cylinder continues steel cable slot disengaging caused by bouncing back when sour rifle drop rifle blocks, meanwhile, the program is directly in steel
Stretching force detecting apparatus is set in cord, does not provide the working method of stretching force detecting apparatus, because steel wire rope is in movement in work
In, pulling force is difficult directly to detect.
Invention content
The object of the present invention is to provide a kind of sour rifle lifting gear with monitoring and safeguard function, which can monitor
Drop rifle is normal, drop rifle is abnormal, drop rifle in place, carry that rifle is normal, puies forward rifle exception and puies forward rifle six kinds of situations in place, can realize steady liter
It drops and abends.
The technical solution adopted in the present invention is：
A kind of sour rifle lifting gear with monitoring and safeguard function, including sour rifle, cylinder, steel wire rope and controller, gas
Cylinder is downwardly directed and cylinder push-rod is equipped with movable pulley, and steel wire rope one end is connect with sour gun breech portion, the other end passes through movable pulley simultaneously
It is fixed, more than one quiet pulley for steering is equipped with along steel wire rope, sour gun breech portion is set with sour rifle slideway cooperation, lower head
There are sour rifle protection sleeve, the stroke both ends of cylinder to be respectively equipped with inductive switch, inductive switch is connect with controller, and feature exists
In：The bottom of the quiet pulley in certain is pressed on pressure sensor, and the rod chamber and rodless cavity of cylinder are closed by tracheae in respectively
Two cylinder ports of type three-position electromagnetic valve connect, and the exhaust outlet of middle closed form three-position electromagnetic valve is connected by tracheae and exhaust shutter
Connect, air inlet is connect by tracheae with air source, pressure sensor, middle closed form three-position electromagnetic valve and exhaust shutter respectively with control
Device connects.
Further, steel wire rope turns to after beginning to pass movable pulley from fixing end by first quiet pulley, and pressure passes
Sensor is crushed on the bottom of first quiet pulley.
Further, middle closed form three-position electromagnetic valve is middle closed form 3 position-5 way solenoid valve, and there are two exhaust outlet, two rows for tool
Gas port is connect by tracheae with two exhaust shutters respectively.
The beneficial effects of the invention are as follows：
Inductive switch is located at the both ends of cylinder stroke, the effect of inductive switch be for detect sour rifle drop rifle in place and
Carrying rifle, two states-cylinder push-rod stretches out until when sour rifle arrival puies forward rifle position in place, and the inductive switch of cylinder stroke bottom end is sent out
Signal shows to carry rifle in place, and when cylinder push-rod is retracted to sour rifle arrival drop rifle position, the inductive switch that cylinder stroke top is condensed is sent out
Go out signal, show to drop rifle in place；Pressure sensor is crushed on the bottom of quiet pulley, and for detecting the tension of steel wire rope, sour rifle exists
The normal hoisting or tension of steel wire rope is the sour gravity of rifle and the vector sum of system friction when declining, what pressure sensor was subject to
Pressure is the resultant force of quiet pulley gravity and pulley both sides steel wire rope tension, and the effect of pressure sensor is to drop rifle for detecting sour rifle
Normally, when drop rifle is abnormal, it is normal to carry rifle and carries rifle abnormal four kinds of states-drop rifle, if sour rifle normally declines, pressure sensor by
Pressure be quiet pulley gravity and pulley both sides steel wire rope tension resultant force, the output valve of pressure sensor is more stable, shows
It is normal that rifle drops, if sour rifle block it is motionless（Sour rifle pipette tips are stuck in sour rifle insert port or sour rifle is stuck on sour rifle slideway）, steel wire rope
Tension can become smaller suddenly, the output valve of pressure sensor can also become smaller suddenly, show to drop rifle it is abnormal, when carrying rifle, if sour rifle is just
Often rise, the pressure that pressure sensor is subject to is the resultant force of quiet pulley gravity and pulley both sides steel wire rope tension, pressure sensor
Output valve it is more stable, show to carry rifle normal, if sour rifle is stuck on slideway, the tension of steel wire rope can increase suddenly, and pressure passes
The output valve of sensor can also become larger suddenly, show to put forward rifle exception；Middle closed form three-position electromagnetic valve and exhaust shutter are for realizing gas
Cylinder it is steady lift and abend-cylinder is that sour rifle lifting provides power, middle closed form three-position electromagnetic valve by change seat in the plane come
Change cylinder into outgassing direction, realize the lifting deflecting of sour rifle, sour rifle is during lifting, the rodless cavity of cylinder（Exhaust
Side）By exhaust throttle valve exhaust, exhaust shutter controls the speed of service of cylinder by adjusting extraction flow, ensures steady
Lifting, when dropping rifle exception or putting forward rifle exception, middle closed form three-position electromagnetic Vavle switching to intermediate seat in the plane, each interface is not connected to mutually
（In close）, ensure cylinder locking, be parked in current location, occur steel cable slot disengaging, sour the rifle accidentally things such as spray acid when avoiding lifting exception
Therefore improve operating reliability and safety；The device can monitor drop rifle is normal, drop rifle is abnormal, drop rifle in place, carrying rifle just
Often, it puies forward rifle exception and puies forward rifle six kinds of situations in place, can realize and steadily lift and abend.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of gas circuit of cylinder in the embodiment of the present invention, middle closed form three-position electromagnetic valve and exhaust shutter.
In figure：1- movable pulleys；2- is located at the inductive switch for putting forward rifle position；3- cylinders；4- is located at the inductive switch of drop rifle position；5-
Quiet pulley；6- pressure sensors；7- steel wire ropes；8- acid rifles；9- acid rifle slideways；10- acid rifles protect sleeve；Closed form three in 11-
Solenoid valve；12- exhaust shutters.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, it is a kind of have monitoring and safeguard function sour rifle lifting gear, including sour rifle 8, cylinder 3,
Steel wire rope 7 and controller, cylinder 3 is downwardly directed and 3 push rod of cylinder is equipped with movable pulley 1,7 one end of steel wire rope and 8 tail portion of sour rifle
Connection, the other end pass through movable pulley 1 and fixed, are set along steel wire rope 7 there are two the quiet pulley 5 for steering, 8 tail portion of sour rifle with
The sour cooperation of rifle slideway 9, lower head are equipped with sour rifle and protect sleeve 10, and the stroke both ends of cylinder 3 are respectively equipped with inductive switch（2 Hes
4）, inductive switch（2 and 4）It is connect with controller, the bottom of the quiet pulley in certain 5 is pressed on pressure sensor 6, and cylinder 3 has
Rod cavity and rodless cavity are connect by tracheae with 3 mouthfuls of two cylinders of middle closed form three-position electromagnetic valve 11 respectively, middle closed form three-position electromagnetic
The exhaust outlet of valve 11 is connect by tracheae with exhaust shutter 12, air inlet is connect by tracheae with air source, pressure sensor 6,
Middle closed form three-position electromagnetic valve 11 and exhaust shutter 12 are connect with controller respectively.
Inductive switch（2 and 4）It is located at the both ends of 3 stroke of cylinder, inductive switch（2 and 4）Effect be for detecting
Sour rifle 8 drops rifle in place and proposes rifle 3 push rod of two states-cylinder stretching in place when the sour arrival of rifle 8 puies forward rifle position, 3 stroke of cylinder
The inductive switch 2 of bottom end sends out signal, shows to carry rifle in place, when 3 pusher retracted of cylinder to sour rifle 8 reaches drop rifle position, 3 row of cylinder
The inductive switch 4 of Cheng Dingduan sends out signal, shows to drop rifle in place；Pressure sensor 6 is crushed on the bottom of quiet pulley 5, for examining
The tension of steel wire rope 7 is surveyed, the tension of the steel wire rope 7 in normal hoisting or decline of sour rifle 8 is the gravity and system friction of sour rifle 8
Vector sum, the pressure that pressure sensor 6 is subject to be 7 tension of 5 gravity of quiet pulley and pulley both sides steel wire rope resultant force, pressure pass
The effect of sensor 6 is that the drop rifle of sour rifle 8 is normal, drop rifle is abnormal, carry rifle normally and carries rifle exception four kinds of states-drop rifle for detecting
When, if sour rifle 8 normally declines, the pressure that pressure sensor 6 is subject to is 7 tension of 5 gravity of quiet pulley and pulley both sides steel wire rope
With joint efforts, the output valve of pressure sensor 6 is more stable, it is normal to show to drop rifle, if sour rifle 8 block it is motionless（8 pipette tips of sour rifle are stuck in acid
In 8 insert port of rifle or sour rifle 8 is stuck on sour rifle slideway 9）, the tension of steel wire rope 7 can become smaller suddenly, the output of pressure sensor 6
Value can also become smaller suddenly, show to drop rifle exception, and when carrying rifle, if sour rifle 8 normally rises, the pressure that pressure sensor 6 is subject to is quiet
The resultant force of 7 tension of 5 gravity of pulley and pulley both sides steel wire rope, the output valve of pressure sensor 6 is more stable, is showing to carry rifle just
Often, if sour rifle 8 is stuck on slideway, the tension of steel wire rope 7 can increase suddenly, and the output valve of pressure sensor 6 can also become larger suddenly,
Show to put forward rifle exception；Middle closed form three-position electromagnetic valve 11 and exhaust shutter 12 stop for realizing the steady lifting of cylinder 3 and exception
Only-cylinder 3 provides power for the sour lifting of rifle 8, middle closed form three-position electromagnetic valve 11 by change seat in the plane change cylinder 3 into outlet
The lifting deflecting of sour rifle 8 is realized in direction, and sour rifle 8 is during lifting, the rodless cavity of cylinder 3（Exhaust side）It is saved by being vented
Valve 12 is flowed to be vented, exhaust shutter 12 controls the speed of service of cylinder 3 by adjusting extraction flow, ensures steady lifting, when
When dropping rifle exception or putting forward rifle exception, middle closed form three-position electromagnetic valve 11 switches to intermediate seat in the plane, and each interface is not connected to mutually（In close）,
Ensure the locking of cylinder 3, be parked in current location, occur when avoiding lifting exception steel wire rope 7 be disengaged from the groove, sour rifle 8 accidentally accidents such as spray acid, carry
High operating reliability and safety；The device can monitor drop rifle is normal, drop rifle is abnormal, drop rifle in place, carry that rifle is normal, carries rifle
Extremely and rifle six kinds of situations in place are put forward, can realizes and steadily lifts and abend.
As shown in Figure 1, in the present embodiment, steel wire rope 7 from fixing end begin to pass movable pulley 1 after it is quiet by first
Pulley 5 turns to, and pressure sensor 6 is crushed on the bottom of first quiet pulley 5.Pressure sensor 6 is crushed on first quiet pulley 5
Rather than the bottom of other quiet pulleys 5, although the effect of pressure measurement can be played by being located at the bottom of any quiet pulley 5, make pressure
The test position of force snesor 6 can reduce the reaction time of pressure sensor 6 to the greatest extent close proximity to driving end.
As shown in Fig. 2, in the present embodiment, middle closed form three-position electromagnetic valve 11 is middle closed form 3 position-5 way solenoid valve, is had
Two exhaust outlets, two exhaust outlets are connect by tracheae with two exhaust shutters 12 respectively.Middle closed form three-position electromagnetic valve 11 was both
Can allow cylinder 3 rod chamber and rodless cavity share an exhaust outlet, and can allow cylinder 3 rod chamber and rodless cavity respectively with one
A exhaust outlet selects two exhaust outlets here, because when cylinder 3 is promoted and declined, thrust and rate request differ, that is,
The extraction flow of exhaust shutter 12 is required to differ, therefore, the exhaust shutter 12 for being preferably selected two kinds of different sizes divides
It is not corresponding with rod chamber and rodless cavity, so, there are two 3 mouthfuls, two exhaust outlets of cylinder and one for the middle tool of closed form three-position electromagnetic valve 11
A air inlet is middle closed form 3 position-5 way solenoid valve.
The course of work of the embodiment of the present invention is as follows：
1）When dropping rifle, middle closed form three-position electromagnetic valve 11 drops rifle lateral coil and is powered, 3 rod chamber air inlet of cylinder, rodless cavity exhaust,
The exhaust shutter 12 of rodless cavity forms back pressure to adjust 8 decrease speed of sour rifle in rodless cavity, and cylinder 3 slowly bounces back, sour rifle 8
Slowly decline under the effect of gravity, when sour rifle 8 drops to drop rifle position, 3 piston of cylinder is retracted into drop rifle position, 3 stroke top of cylinder
The inductive switch 4 at end sends out signal, shows to drop rifle in place, at this point, sour rifle 8 is by the bolt support of sour rifle slideway 9, pressure sensor
6 detected value reduces, and sour rifle 8 starts to spray sour production, and in the whole process, the tension of steel wire rope 7 is the gravity and system of sour rifle 8
The sum of frictional force, the pressure that pressure sensor 6 detects are normal value.If occurring the abnormal feelings such as card rifle during sour rifle 8 declines
The output valve of condition, pressure sensor 6 can reduce suddenly, controller output alarm signal, while middle closed form three-position electromagnetic valve 11 is cut
Intermediate seat in the plane is shifted to, cylinder 3 stops, and such steel wire rope 7 will not continue to loosen and lead to de- rope, because cylinder 3 stops at present bit
It sets, 4 no signal of the inductive switch output on 3 stroke top of cylinder avoids sour rifle 8 and accidentally sprays acid and sleeve crystallization, corrosion occur
The accidents such as equipment.
2）When carrying rifle, middle closed form three-position electromagnetic valve 11 proposes the energization of rifle lateral coil, and 3 rodless cavity air inlet of cylinder, rod chamber are vented,
The exhaust shutter 12 of rod chamber forms back pressure in rod chamber and promotes speed to adjust sour rifle 8, and cylinder 3 slowly stretches out, and pulls
Sour rifle 8 slowly rises, and puies forward rifle position when sour rifle 8 is promoted to when putting forward rifle position, 3 piston of cylinder reaches, the induction of 3 stroke bottom end of cylinder
Switch 2 sends out signal, shows to carry rifle in place, at this point, sour rifle 8 is hauled by steel wire rope 7 proposes rifle position limit against sour rifle slideway 9
Bar, the tension of steel wire rope 7 are about the half of 3 thrust magnitude of cylinder, and in the whole process, the tension of steel wire rope 7 is the gravity of sour rifle 8
The sum of with system friction, the pressure that pressure sensor 6 detects is normal value.If it is different card rifle etc. occur in 8 uphill process of sour rifle
The output valve of reason condition, pressure sensor 6 can increase suddenly, controller output alarm signal, while middle closed form three-position electromagnetic valve
11 switch to intermediate seat in the plane, and cylinder 3 stops, and such steel wire rope 7 will not continue to loosen and lead to de- rope, work as because cylinder 3 stops at
Front position avoids after card rifle accident releases and the insecurity that 3 unexpected fast lifting of cylinder is brought occurs.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (3)
1. a kind of sour rifle lifting gear with monitoring and safeguard function, including sour rifle, cylinder, steel wire rope and controller, cylinder
Downwardly directed and cylinder push-rod is equipped with movable pulley, and steel wire rope one end is connect with sour gun breech portion, the other end passes through movable pulley and solid
It is fixed, more than one quiet pulley for steering is equipped with along steel wire rope, sour gun breech portion is equipped with sour rifle slideway cooperation, lower head
Sour rifle protects sleeve, the stroke both ends of cylinder to be respectively equipped with inductive switch, and inductive switch is connect with controller, it is characterised in that：
The bottom of the quiet pulley in certain is pressed on pressure sensor, and the rod chamber and rodless cavity of cylinder pass through tracheae and middle closed form three respectively
Two cylinder ports connection of position solenoid valve, the exhaust outlet of middle closed form three-position electromagnetic valve connect by tracheae with exhaust shutter, into
Gas port is connect by tracheae with air source, and pressure sensor, middle closed form three-position electromagnetic valve and exhaust shutter connect with controller respectively
It connects；
The effect of inductive switch is for detecting sour rifle drop rifle in place and carrying rifle two states in place, and cylinder push-rod stretches out until acid
When rifle arrival puies forward rifle position, the inductive switch of cylinder stroke bottom end sends out signal, shows to carry rifle in place, and cylinder push-rod is retracted to sour rifle
When reaching drop rifle position, the inductive switch that cylinder stroke top is condensed sends out signal, shows to drop rifle in place；
The effect of pressure sensor is that sour rifle drop rifle is normal, drop rifle is abnormal, carry rifle normally and carries the abnormal four kinds of shapes of rifle for detecting
State, when dropping rifle, if sour rifle normally declines, the pressure that pressure sensor is subject to is quiet pulley gravity and pulley both sides steel wire rope tension
Resultant force, the output valve of pressure sensor is more stable, it is normal to show to drop rifle, if sour rifle blocks motionless, the tension meeting of steel wire rope
Become smaller suddenly, the output valve of pressure sensor can also become smaller suddenly, show to drop rifle exception, when carrying rifle, if sour rifle normally rises, press
The pressure that force snesor is subject to is the resultant force of quiet pulley gravity and pulley both sides steel wire rope tension, the output valve ratio of pressure sensor
Normal compared with stablizing, showing to carry rifle, if sour rifle is stuck on slideway, the tension of steel wire rope can increase suddenly, the output of pressure sensor
Value can also become larger suddenly, show to put forward rifle exception；
Middle closed form three-position electromagnetic valve and exhaust shutter lift and abend for realizing the steady of cylinder, and cylinder is sour rifle liter
Drop provides power, middle closed form three-position electromagnetic valve by change seat in the plane change cylinder into outgassing direction, realize the lifting of sour rifle
Deflecting, for sour rifle during lifting, the rodless cavity of cylinder is by exhaust throttle valve exhaust, and exhaust shutter is by adjusting exhaust
Flow controls the speed of service of cylinder, ensures steady lifting, when dropping rifle exception or putting forward rifle exception, middle closed form three-position electromagnetic valve
Intermediate seat in the plane is switched to, each interface is not connected to mutually, is ensured cylinder locking, is parked in current location.
2. the sour rifle lifting gear with monitoring and safeguard function as described in claim 1, it is characterised in that：Steel wire rope is from admittedly
Fixed end turns to after beginning to pass movable pulley by first quiet pulley, and pressure sensor is crushed on the bottom of first quiet pulley
Portion.
3. the sour rifle lifting gear with monitoring and safeguard function as described in claim 1, it is characterised in that：Middle closed form three
Solenoid valve is middle closed form 3 position-5 way solenoid valve, and there are two exhaust outlet, two exhaust outlets to be vented respectively by tracheae and two for tool
Throttle valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463070.XA CN106044602B (en) | 2016-06-23 | 2016-06-23 | Sour rifle lifting gear with monitoring and safeguard function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463070.XA CN106044602B (en) | 2016-06-23 | 2016-06-23 | Sour rifle lifting gear with monitoring and safeguard function |
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| Publication Number | Publication Date |
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| CN106044602A CN106044602A (en) | 2016-10-26 |
| CN106044602B true CN106044602B (en) | 2018-07-24 |
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ID=57169131
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610463070.XA Active CN106044602B (en) | 2016-06-23 | 2016-06-23 | Sour rifle lifting gear with monitoring and safeguard function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030964A1 (en) * | 1980-08-16 | 1982-03-25 | Standard-Messo Duisburg, Gesellschaft für Chemietechnik mbH & Co, 4100 Duisburg | METHOD FOR THE TREATMENT OF IRON SULFATE HEPTAHYDRATE AND CALCIUM CHLORIDE TOGETHER |
| CN2564587Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨天业环保有限公司 | Jet nozzle changing-over device |
| CN200967733Y (en) * | 2006-04-28 | 2007-10-31 | 中冶南方工程技术有限公司 | False operation prevention acid-gun lifter |
| CN201779991U (en) * | 2010-08-05 | 2011-03-30 | 广东韶钢松山股份有限公司 | Hydraulic furnace door lifting device |
| CN201817551U (en) * | 2010-08-19 | 2011-05-04 | 中冶南方工程技术有限公司 | Acid gun lifting device of hydrochloric acid regenerating system |
| CN104948540A (en) * | 2015-07-20 | 2015-09-30 | 昆明理工大学 | Load simulation electro-hydraulic servo control device for beam-pumping unit |
-
2016
- 2016-06-23 CN CN201610463070.XA patent/CN106044602B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030964A1 (en) * | 1980-08-16 | 1982-03-25 | Standard-Messo Duisburg, Gesellschaft für Chemietechnik mbH & Co, 4100 Duisburg | METHOD FOR THE TREATMENT OF IRON SULFATE HEPTAHYDRATE AND CALCIUM CHLORIDE TOGETHER |
| CN2564587Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨天业环保有限公司 | Jet nozzle changing-over device |
| CN200967733Y (en) * | 2006-04-28 | 2007-10-31 | 中冶南方工程技术有限公司 | False operation prevention acid-gun lifter |
| CN201779991U (en) * | 2010-08-05 | 2011-03-30 | 广东韶钢松山股份有限公司 | Hydraulic furnace door lifting device |
| CN201817551U (en) * | 2010-08-19 | 2011-05-04 | 中冶南方工程技术有限公司 | Acid gun lifting device of hydrochloric acid regenerating system |
| CN104948540A (en) * | 2015-07-20 | 2015-09-30 | 昆明理工大学 | Load simulation electro-hydraulic servo control device for beam-pumping unit |
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| Publication number | Publication date |
|---|---|
| CN106044602A (en) | 2016-10-26 |
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