CN101417765A - Gig head rope synchronous continuous replacement apparatus - Google Patents
Gig head rope synchronous continuous replacement apparatus Download PDFInfo
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- CN101417765A CN101417765A CNA2008100798957A CN200810079895A CN101417765A CN 101417765 A CN101417765 A CN 101417765A CN A2008100798957 A CNA2008100798957 A CN A2008100798957A CN 200810079895 A CN200810079895 A CN 200810079895A CN 101417765 A CN101417765 A CN 101417765A
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Abstract
The invention discloses many head ropes of a kind of gig right-angle type and replace continuous replacement apparatus, comprise and anti-run rope mechanism, change rope mechanism, track adjusting wheel I, track adjusting wheel II, hydraulic efficiency pressure system and electrical controller continuously.Its improvement is anti-to be provided with track adjusting wheel II before running rope mechanism being positioned at, make the direction of introducing new steel rope from new cable drum with change the rope process the direction of propulsion of new steel rope become 90 to spend, and it is changed rope mechanism and hydraulic efficiency pressure system continuously improve, make its many head ropes alternately change rope continuously, improved and changed rope efficient, shortened and changed the rope time, and the package unit size is less, saved the well head space, and realized the automation control of exchange rope process having improved degree of automation and safe reliability by open loop mode.
Description
Technical field
The present invention relates to a kind of mine hoist rope changer, specifically, is a kind of many head rope synchronous continuous replacement apparatus of gig that are used for.
Background technology
The useful life of coal mine friction drive hoist steel rope (being head rope) generally must not surpass 2 years, is the mine of friction drive hoist for major and minor well, needs to change head rope every year on average No. one time.The mine multirope friction winder changes that the rope security risk is big, to require to take uphole time few.Because borehole operation is forced to stop during changing rope, therefore, the length of changing the rope time directly influences the safety in production in colliery.Shorten the rope time of changing, improve and change the rope safety and can bring the economic benefit that to estimate for colliery industry and the related industry of coal.
Notification number is a kind of " the quick rope changer of ground-type multi-cable friction drive hoist " patent of invention of CN1299967C, is mainly used in ground-type multi-cable friction type winder head rope and changes.Its purpose also is that shortening is changed the rope time, improves safety, reduced labor strength.This invention includes stepping and changes rope mechanism, anti-rope mechanism and the automatic monitoring alarm of running; Stepping is changed rope mechanism and is included stepping oil cylinder, clamping mechanism and base; The anti-rope mechanism of running includes sleeve, wire rope handling pipe, gland, wedge, spring and spring perch, hydraulic actuating cylinder, erecting frame, pin, U type card, needle valve lubricating cup and channel-section steel; Automatic monitoring alarm includes the pressure monitoring alarm mechanism and runs rope monitoring, alarming mechanism; The pressure monitoring alarm mechanism includes A/D converter, pressure sensor, PLC, relay and modular pressure; Run rope monitoring, alarming mechanism and include tachogenerator, solenoid directional control valve, A/D converter, PLC and relay.The rope changer of this patent of invention is simple in structure, reliable in action, the equipment that takies are few, improved the safety of changing rope; Reduced working strength of workers, the engineering time shortens; Each root steel rope is changed simultaneously, and is stressed even, reduces the wearing and tearing to steel rope.
The rope changer of this patent of invention adopts the action of stepping oil cylinder to realize the passing of steel rope, it during contraction idle travel, can't realize changing continuously rope, bring in constant renewal under the situation of regenerating at other equipment of colliery, the requirement of the modernized coal mining of this rope changer incompatibility, it is long that distinct issues are that this device changes shared time of rope, influences the safety in production in colliery; The arrangement of straight line is difficult to adapt to the well head less mine of bulk on every side simultaneously, more can't be applicable to the replacing of tower multirope friction winder head rope.Make existing apparatus that very big limitation be arranged aspect usage space.Therefore, existing colliery rope changer is further improved, that improves rope changer once more changes rope efficient, shortens and changes the rope time, improves the performance of rope changer, be realize coal mine machineryization automatically exploitation press for the technical matters of solution.
Summary of the invention
The purpose of this invention is to provide a kind of gig head rope synchronous continuous replacement apparatus, big to solve the existing gig rope changer bulk of coal mine, it is slow to change rope speed, and spended time is long, influences the problem of Coal Production efficient.
Gig head rope synchronous continuous replacement apparatus of the present invention includes and changes rope mechanism, anti-rope mechanism, guiding mechanism, hydraulic efficiency pressure system and the electrical controller of running continuously.Be with existing rope changer structure difference:
Be provided with separation type track adjusting wheel II anti-before running rope mechanism, make the direction of introducing new steel rope from new cable drum with change the rope process the direction of propulsion of new steel rope become 90 to spend.
The rope mechanism that changes continuously wherein includes two groups of traveling geaies, oil cylinder I base, oil cylinder I, oil cylinder I bearing, attaching parts.Changing rope mechanism continuously is to be the center with oil cylinder I base, and the both sides symmetry is respectively arranged with oil cylinder I and traveling gear; Traveling gear is will be connected base plate, be changed rope assembly and wheel assembly and connect as one by bolt connection piece; Oil cylinder I bearing is fixed on the connection base plate in the traveling gear outside, both sides.
Hydraulic efficiency pressure system wherein is made up of Hydraulic Pump, electromagnetic relief valve, solenoid directional control valve, one way sequence valve, blow off valve, hydraulic control one-way valve, shutoff valve, back pressure valve, fuel tank, oil return oil filter, cooling vessel, pressure meter switch, compression indicator and hydraulic tubing etc.Hydraulic efficiency pressure system comprises two independently hydraulic circuits.
With Hydraulic Pump I is the loop of propulsion source, with coupler Hydraulic Pump I and motor are coupled together, be connected with fuel tank by shutoff valve with the inlet of hydraulic tubing Hydraulic Pump I, the return opening of Hydraulic Pump I inserts fuel tank by overflow oil tube, and the oil outlet of Hydraulic Pump I has three branch roads respectively: the compression indicator of one road connecting band pressure meter switch.One the tunnel is connected with electromagnetic relief valve and cooling vessel, and cooler outlet inserts fuel tank.One the tunnel be connected with check valve and two-position two-way solenoid valve open in usual again, be divided into two-way behind the two-position two-way solenoid valve again, one the tunnel is to connect two solenoid directional control valves, wherein two interfaces of two solenoid directional control valves by one way sequence valve and hydraulic control one-way valve after respectively the access device left and right sides change the rod chamber and the rodless cavity of rope assembly oil cylinder II group, liquid return hole inserts fuel tank by the oil return oil filter, outlet at one way sequence valve is connected with blow off valve, and inserts the control liquid mouth of hydraulic control one-way valve; Another road is to connect three-position electromagnetic change-over valve I, and wherein two interfaces of three-position electromagnetic change-over valve I are rod chamber and the rodless cavities by access device left side oil cylinder I group behind the back pressure valve respectively, and an interface inserts fuel tank after by return filter.Also have one the tunnel to be connected with dual check type two-position two-way solenoid valve, insert the anti-rodless cavity that runs the rope device action tank afterwards, the oil return line that comes out from rodless cavity is connected with the compression indicator of belt switch joint and the pressure signal transmitter of belt switch joint, be connected in parallel to hand valve and two-position two-way solenoid valve open in usual afterwards, insert fuel tank then.
With Hydraulic Pump II is that the loop of propulsion source is with coupler Hydraulic Pump II and motor to be coupled together, be connected with fuel tank by shutoff valve with the inlet of hydraulic tubing Hydraulic Pump II, the return opening of Hydraulic Pump II inserts fuel tank by oil return pipe, and the oil outlet of Hydraulic Pump II has three branch roads respectively: the compression indicator of one road connecting band switch contacts.One the tunnel is connected with electromagnetic relief valve and cooling vessel, and cooler outlet inserts fuel tank.Another road is connected with check valve and three-position electromagnetic change-over valve II, and wherein two interfaces of three-position electromagnetic change-over valve II are rod chamber and the rodless cavities by oil cylinder I group in access device right side behind the back pressure valve respectively, and another interface inserts fuel tank after by return filter.
Electrical controller wherein includes PLC control module, tachogen, pressure sensor, voltage transformer, button switch and electrical control cubicles etc.Some control apparatus elements such as PLC control module, voltage transformer and relay are fixed in the electrical control cubicles, the positive shop front of electrical control cubicles is provided with and shows frequently and action button, the side is provided with the main supply switch rotary knob, and top is provided with the signal wire (SW) of enough usefulness and the turnover line interface of power lead.
Gig head rope synchronous continuous replacement apparatus of the present invention, on the basis of existing coal mine gig rope changer, its structure is improved, the hydraulic control circuit of the independent operating of a kind of mutual locking that proposes, and utilize the separation type right-angle guides, realize the arranged at right angles of rope changer, the rope mechanism action is changed in stepping to be changed into and changes the rope mechanism action continuously, realized moving certainly rope by electrical controller, shortened greatly and changed the rope time, improved and changed rope efficient, solved the problem when gig changes rope consumption expenses of labour for a long time.
The present invention compares with existing mine hoist rope changer, with well depth is 600 meters, 6,500,000 tons of/year (about 20,000 tons/day) collieries are example, adopt existing rope changer, change the rope time is 120 hours at every turn, adopt the continuous rope changer of the present invention, only needed to finish in 48 hours, saved 72 hours for Coal Production, net response is 60,000 tons, if after this rope changer is widely used, to increase appreciable economic benefit for Coal Production, improved simultaneously the economical running efficient of the related relevant industries of coal widely, particularly in the winter time or in disaster-stricken difficulty and when coal is in an emergency, excellent apparent outstanding.The breakthrough of system schema of the present invention and operation mechanism has adapted to the demand of modern production.
Gig head rope synchronous continuous replacement apparatus of the present invention, its outstanding feature also is: by the Design of Hydraulic System to continuous rope changer, traveling gear has been realized based on the operation damping and the synchro control guiding of rolling, guarantee the conformability of oil cylinder elongation and contraction speed, improved the stability and the safety of changing rope.
Gig head rope synchronous continuous replacement apparatus of the present invention, the rope assembly that changes of both sides adopts the control of intersection block action, earlier tight back pine guaranteed in changing the process of rope steel rope safety, advanced continuously forward in an orderly manner, reached continuously, stable, safe operation change the rope purpose.
Gig head rope synchronous continuous replacement apparatus of the present invention by the change to the rope changer arrangement, obviously shortens the length dimension of device, thereby has solved because the limited difficult problem of bringing of well head surrounding space size.
Gig head rope synchronous continuous replacement apparatus of the present invention realizes exchanging the automatic guidance of rope process by open loop mode, has improved the reliability of automation degree of equipment and safety to a great extent, and electric-control system is simplified.
Description of drawings
Fig. 1 is the structural representation that totally is provided with of the present invention
Fig. 2 is that the part-structure scheme drawing is overlooked in the overall setting of Fig. 1 of the present invention
Fig. 3 is the structural representation that the present invention changes rope mechanism continuously
Fig. 4 is the plan structure scheme drawing that Fig. 3 of the present invention changes rope mechanism continuously
Fig. 5 is a hydraulic scheme of the present invention
Fig. 6 is an electrical schematic diagram of the present invention
：1： 2： 3： 4： 5： 6：I 7： 8： 9： 10： 11： 12：II 13： 14：I 15： 16：17： 18：I 19：I 20： 21： 22：I 23： 24： 25： 26： 27： 28：I 29： 30： 31：II 32： 33： 34：II 35： 36： 37： 38：I 39：II 40： 41： 42：43： 44： 45：
The specific embodiment
Can be further detailed the specific embodiment of the present invention with specific embodiment below, after the professional and technical personnel has read specific embodiments of the invention, can understand and implement the present invention.
Embodiment 1
As described in Fig. 1-1, this device adopts the principle of " old steel rope 10 is with on the new steel rope 2 and is hung; new steel rope 2 reclaims with old steel rope 10 ", utilize service life to old steel rope 10 bear new steel rope 2 total weights, make new steel rope 2 once go into well with old steel rope 10, fix two cages 11 and friction wheel 7, old steel rope 10 is removed from hookup mechanism, after waiting to make new fag end, remove the anchor fitting of two cages 11 and friction wheel 7, make the weight of cage 11 carry out the transition to new steel rope 2 and bear, promptly finished the task of " old steel rope 10 is with hanging on the new steel rope 2 " from old steel rope 10.
Each parts in the device are fixing successively according to the arrangement of Fig. 1, from having stored new cable drum 1 underlap of the new steel rope 2 of sufficient length, new steel rope 2 is at first through track adjusting wheel II 12 and the anti-rope mechanism 3 of running, then penetrate and change continuously in the rope mechanism 5, after track adjusting wheel I6 imports new steel rope 2 and old steel rope 10 bonded assembly pithead positions; Hydraulic efficiency pressure system couples together each Hydraulic Elements according to Fig. 5 with pipeline; Electric elements in the electrical control cubicles, are connected on the 380V power supply from going out the power lead that line interface comes out each parts wiring according to Fig. 6, from going out signal wire (SW) that line interface comes out respectively the access device on the corresponding sensor.With clamp old steel rope 10 on the friction wheel 7 is compressed, and make friction wheel 7 be in braking state, in case the old steel rope 10 of free state runs rope, two cages 11 are fixed on as shown in Figure 1 position, and coupled old steel rope 10 dismantled, with rope clamp new steel rope 2 and old steel rope 10 are coupled together, 10 of another old steel ropes are connected the recovery with convenient old steel rope 10 with the rope made of hemp.
More than work ready after, the main supply switch knob of rotation on the electrical control cubicles, the major loop of electrical control cubicles and control loop are all.Press the 1# electric motor starting button on the electric cabinet panel; the 1# electric motor starting; dual check two-position two-way solenoid valve 29; press Hydraulic Pump I22 load button again; the high pressure oil of Hydraulic Pump I22 output enters the anti-rodless cavity that runs rope mechanism 3 oil cylinders; promote the Piston Compression spring; thereby open the anti-wedge type corner block that runs rope mechanism 3; control the start-stop of 1# motor and Hydraulic Pump I 22 by being arranged on the anti-pressure sensor 32 that runs in the rope mechanism 3, thereby new steel rope 2 can be passed from anti-rope mechanism 3 non-resistances that run in normally changing the rope process.Adopt and intersect block actions control at the whole rope assembly 17 that changes that changes rope mechanism 5 both sides in the rope process continuously that changes, tight earlier back pine guarantees in changing the process of rope new steel rope 2 safety, pushes ahead in an orderly manner.Take down the clamp that is pressed on the friction wheel 7 and unclamp steel rope, unclamp friction wheel 7 brakes, press the 2# electric motor starting button on the electric cabinet panel, the 2# electric motor starting, press Hydraulic Pump II 34 load buttons again, the first step, two solenoid directional control valves 37 get the electric position, a left side of getting to, often opening two-position two-way solenoid valve I28 gets, the high pressure oil of Hydraulic Pump I 22 at first changes the rodless cavity of rope assembly 17 oil cylinder II group by entering the right side behind the hydraulic control one-way valve 44, the hydraulic oil of rod chamber is got back to fuel tank 45 simultaneously, the oil cylinder II action elongation that makes the right side change rope assembly 19 clamps new steel rope 2, when thrust arrives certain value, high pressure oil is opened one way sequence valve 41 and is entered the rod chamber that rope assembly 17 oil cylinder II group is changed in the left side, the control port that the while high pressure oil enters hydraulic control one-way valve 44, make the hydraulic oil of rodless cavity to get back to fuel tank 45 by hydraulic control one-way valve 44, this moment, the rope assembly 17 that changes in left side loosened new steel rope 2 automatically, work as a left side, after the right side is changed rope assembly 17 is put in place, three-position electromagnetic change-over valve I 38 and three-position electromagnetic change-over valve II 39 respectively electricly get to right position, this moment, rod chamber and the rodless cavity of 18 groups of left and right sides oil cylinder I formed differential circuit, the high pressure oil of Hydraulic Pump I 22 and Hydraulic Pump II 34 enters rod chamber and the rodless cavity of 18 groups of oil cylinder I respectively, the pressure of rodless cavity is greater than rod chamber pressure in two groups of loops, thereby make 18 groups of action elongations of oil cylinder I of both sides, in the process of 18 groups of elongations of oil cylinder I, the right side clamps the rope assembly 17 that changes of new steel rope 2 and is being with new steel rope 2 to pass forward, finishes up to oil cylinder I 18 elongations; Second step, two solenoid directional control valves 37 get the electric right position of getting to, the high pressure oil of Hydraulic Pump I 22 at first changes the rodless cavity of rope assembly 17 oil cylinder II group by entering the left side behind the hydraulic control one-way valve 44, the hydraulic oil of rod chamber is got back to fuel tank 45 simultaneously, make the rope assembly 17 that changes in left side clamp new steel rope 2, when thrust arrives certain value, the high pressure oil of Hydraulic Pump I 22 is opened one way sequence valve 41 and is entered the rod chamber that rope assembly 17 oil cylinder II group is changed on the right side, the control port that the while high pressure oil enters hydraulic control one-way valve 44, make the hydraulic oil of rodless cavity to get back to fuel tank 45 by hydraulic control one-way valve 44, the rope assembly 17 that changes on right side unclamps new steel rope 2 automatically, work as a left side, after the right side is changed rope assembly 17 is put in place, three-position electromagnetic change-over valve I 38 and three-position electromagnetic change-over valve II 39 get to position, a left side respectively, the high pressure oil of Hydraulic Pump I 22 and Hydraulic Pump II 34 enters the rod chamber of 18 groups of left and right sides oil cylinder I respectively, the hydraulic oil of rodless cavity returns fuel tank 45 by back pressure valve 40, thereby oil cylinder I 18 actions of both sides are shunk, in the process that oil cylinder I 18 shrinks, the left side clamps the rope assembly 17 that changes of new steel rope 2 and is being with new steel rope 2 to pass forward, finish up to oil cylinder I 18 contractions, device turns back to initial condition.Repetitive cycling is operated first and second step and is realized that new steel rope 2 passes forward uninterruptedly, old steel rope 10 be with new steel rope 2 walk around respectively friction wheel 7, down head sheave 8 and down head sheave 9 arrive old steel rope 10 recovery place until 2 of new steel ropes.This changes the end of rope course of action when old steel rope 10 reclaims fully, with clamp new steel rope 2 on the friction wheel 7 is compressed, and make friction wheel 7 be in braking state, at this moment old steel rope 10 being connected rope clamp with new steel rope 2 pulls down, after getting appropriate length, cuts off the new steel rope 2 at track adjusting wheel I 6 places, two fag ends with new steel rope 2 couple together with two cages 11 respectively then, take down the clamp that is pressed on the friction wheel 7 and unclamp steel rope, unclamp friction wheel 7 brakes, remove the setting tool of two cages 11, change the knot bundle.
Track adjusting wheel is provided with tachogen, when its rotating speed surpasses certain value (when the speed of new steel rope 2 surpasses certain value), often open two-position two-way solenoid valve II 31 the hydraulic oil flow oil sump tank of rodless cavity of oil cylinder group of electric anti-race rope mechanism 1, the oil cylinder unloading, spring reset makes the anti-wedge type corner block that runs rope mechanism 5 hold new steel rope 2 tightly, thereby also can not occur running the rope phenomenon even if guaranteed under the situation of changing 5 inefficacies of rope mechanism or operating personal maloperation continuously.Package unit safety, reliable.
The control loop that oil cylinder I is 18 groups is provided with back pressure valve 40, when oil cylinder I 18 elongations or contraction, because the existence of back pressure valve 40 makes the hydraulic oil on the oil return line can produce back pressure and plays the effect of damping, makes the elongation of oil cylinder I 18 and contraction (operation of traveling gear 13) speed reach required velocity amplitude by regulating back pressure valve 40; Oil cylinder I 18 piston rod reciprocating actions also make traveling gear 13 realize linear reciprocating motion simultaneously, the motion of traveling gear 13 have been played the effect of guiding.Therefore changing rope mechanism 5 has continuously realized making the traveling gear 6 can be based on the operation damping and the synchro control guiding of rolling.
Realize the automatic guidance of exchange rope process by open loop control, measuring oil cylinder I 18 in advance extends and shrinks the required time, to be a bit larger tham in the numerical value input PLC control program of this time value, change in the rope process, the PLC program is controlled the transposition action of two solenoid directional control valves 37, three-position electromagnetic change-over valve I 38 and three-position electromagnetic change-over valve II 39 in order successively with appointed time, thereby make the whole rope process of changing need not personnel operation, until changing the rope release.
Claims (1)
1. gig head rope synchronous continuous replacement apparatus, include and anti-run rope mechanism (3), change rope mechanism (5), track adjusting wheel I (6), track adjusting wheel II (12), hydraulic efficiency pressure system and electrical controller thereof continuously, it is characterized in that being positioned at the anti-rope preceding track adjusting wheel II (12) that is provided with of mechanism (3) that runs, make the direction of introducing new steel rope (2) from new cable drum (1) with change the rope process the direction of propulsion of new steel rope (2) become 90 to spend;
The described rope mechanism (5) that changes continuously is to be the center with oil cylinder I base (19), and the both sides symmetry is respectively arranged with oil cylinder I (18) and traveling gear (13); Traveling gear (13) is will be connected base plate (16), be changed rope assembly (17) and wheel assembly (15) and connect as one by bolt connection piece; Oil cylinder I bearing (14) is fixed on the connection base plate (16) in both sides traveling gear (13) outside;
Described hydraulic efficiency pressure system be provided with two independently mutually locking be the loop of propulsion source with Hydraulic Pump I (22), by coupler (23) Hydraulic Pump I (22) is connected with motor (24), be connected with fuel tank (45) by shutoff valve (43) by the inlet of hydraulic tubing Hydraulic Pump I (22), the return opening of Hydraulic Pump I (22) inserts fuel tank (45) by overflow oil tube (21), and the oil outlet of Hydraulic Pump I (22) is respectively equipped with three branch roads: the one tunnel connects the compression indicator (27) that has switch contacts; One the tunnel is connected with electromagnetic relief valve (25) and cooling vessel (33), and the outlet of its cooling vessel (33) inserts fuel tank (45); Another road is connected with check valve (26) and two-position two-way solenoid valve open in usual (28), be divided into two-way again behind its two-position two-way solenoid valve open in usual (28), one the tunnel is connected with two solenoid directional control valves (37), two solenoid directional control valves (37), two interfaces wherein by one way sequence valve (41) and hydraulic control one-way valve (44) after respectively the access device left and right sides change the rod chamber and the rodless cavity of rope assembly (17) oil cylinder group, liquid return hole inserts fuel tank (45) by oil return oil filter (35), be connected with blow off valve (42) in one way sequence valve (41) outlet, and insert the control liquid mouth of hydraulic control one-way valve (44); Another road is connected with three-position electromagnetic change-over valve I (38), rod chamber and rodless cavity that three-position electromagnetic change-over valve I (38) two interfaces are wherein organized by back pressure valve (40) back access device left side oil cylinder I (18) respectively; Another interface inserts fuel tank (45) by return filter (35) back; Also have one the tunnel to be connected with dual check type two-position two-way solenoid valve (29), the anti-rodless cavity that runs rope device (3) action tank is inserted in the back, the oil return line that comes out from rodless cavity is connected with the compression indicator (27) of belt switch joint and the pressure signal transmitter (32) of belt switch joint, after be connected in parallel to hand valve (30) and two-position two-way solenoid valve open in usual (31), insert fuel tank (45) then;
With Hydraulic Pump II (34) is that the loop of propulsion source is by coupler (23) Hydraulic Pump II (34) to be connected with motor (24), with hydraulic tubing Hydraulic Pump II (34) inlet is connected with fuel tank (45) by shutoff valve (43), Hydraulic Pump II (34) return opening inserts fuel tank (45) by overflow oil tube (21), and Hydraulic Pump II (34) oil outlet has three branch roads respectively: the compression indicator of one road connecting band switch contacts (27); One the tunnel is connected with electromagnetic relief valve (25) and cooling vessel (33), and cooling vessel (33) outlet inserts fuel tank (45); Another road is connected with check valve (26) and three-position electromagnetic change-over valve II (39), rod chamber and rodless cavity that three-position electromagnetic change-over valve II (39) two interfaces are wherein organized by back pressure valve (40) back access device right side oil cylinder I respectively; The back fuel tank (45) that inserts of the return filter (35) of leading up to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100798957A CN101417765B (en) | 2008-11-22 | 2008-11-22 | First rope synchronous continuous replacement apparatus of hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100798957A CN101417765B (en) | 2008-11-22 | 2008-11-22 | First rope synchronous continuous replacement apparatus of hoister |
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| Publication Number | Publication Date |
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| CN101417765A true CN101417765A (en) | 2009-04-29 |
| CN101417765B CN101417765B (en) | 2010-06-02 |
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| CN2008100798957A Expired - Fee Related CN101417765B (en) | 2008-11-22 | 2008-11-22 | First rope synchronous continuous replacement apparatus of hoister |
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| CN103058040A (en) * | 2013-01-24 | 2013-04-24 | 太原理工大学 | Head-ropes exchanging device for heavy-load deep-well winder and exchanging method thereof |
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| CN104787652A (en) * | 2015-04-22 | 2015-07-22 | 山东黄金矿业（玲珑）有限公司 | Friction hoist tail rope replacement method |
| CN106081836A (en) * | 2016-08-31 | 2016-11-09 | 山东黄金矿业（玲珑）有限公司 | Vertical shaft head rope and tail rope replacing options |
| CN106219374A (en) * | 2016-09-05 | 2016-12-14 | 云南永昌铅锌股份有限公司 | Multi-rope friction hoisting machine and head rope replacing options thereof |
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| CN109019278A (en) * | 2018-08-31 | 2018-12-18 | 中信重工机械股份有限公司 | A kind of deep-well multi-rope friction hoisting machine steel rope replacing method |
| CN111994762A (en) * | 2020-09-17 | 2020-11-27 | 重庆能投渝新能源有限公司 | Vertical shaft hoisting steel wire rope replacing process |
| CN114104932A (en) * | 2021-11-17 | 2022-03-01 | 江苏松诚实业发展有限公司 | Mining hoisting steel wire rope replacing equipment |
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| CN100341766C (en) * | 2003-10-10 | 2007-10-10 | 淄博矿业集团有限责任公司许厂煤矿 | Technology for exchanging hoisting cable wire of floor type friction hoist |
| CN1299967C (en) * | 2004-09-27 | 2007-02-14 | 山西潞安矿业（集团）有限责任公司常村煤矿 | Fast rope changing device of floor type multirope friction elerator |
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2008
- 2008-11-22 CN CN2008100798957A patent/CN101417765B/en not_active Expired - Fee Related
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