CN104261228A - Safety fastening method for elevator rope - Google Patents
Safety fastening method for elevator rope Download PDFInfo
- Publication number
- CN104261228A CN104261228A CN201410484684.7A CN201410484684A CN104261228A CN 104261228 A CN104261228 A CN 104261228A CN 201410484684 A CN201410484684 A CN 201410484684A CN 104261228 A CN104261228 A CN 104261228A
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- CN
- China
- Prior art keywords
- guide wheel
- rope
- car
- hydraulic
- elevator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
Abstract
The invention discloses a safety fastening method for an elevator rope, and belongs to the technical field of elevator safety methods. According to the method, the rope is pulled away from a vertical position by a movable guide wheel, a first guide wheel and a second guide wheel with fixed positions are respectively arranged on two sides of the vertical direction of the movable guide wheel; the rope is connected to an elevator car after winding the first guide wheel, the movable guide wheel and the second guide wheel respectively; guide rails are oppositely arranged on two sides of the elevator car; an idler wheel is arranged between the elevator car and each guide rail; the movable guide wheel is installed on a rotating shaft; two ends of the rotating shafts both stretch out of the movable guide wheel; one end of the rotating shaft is connected to one end of an extension spring while the other end of the extension spring is fixedly installed on the elevator car; the other end of the rotating shaft is connected to a unidirection execution mechanism that is connected to a brake block; a brake gap is reserved between the brake block and each guide rail; the route of the unidirection execution mechanism is more than the brake gaps. According to the safety fastening method for the elevator rope, timely braking can be achieved when the elevator rope breaks suddenly, and thereby casualty accidents are avoided.
Description
Technical field
The present invention relates to a kind of fastening method using securing device, particularly relate to a kind of elevator rope and be fastened securely method, belong to elevator safety method and technology field.
Background technology
Elevator safety hidden danger annoyings the life of people always, and skyscraper gets more and more especially now, and elevator safety is also more and more paid attention to.
In all elevator faults, common situation has two kinds, one is that elevator stops suddenly, now can attempt continuing by door open button, and sought help by the Service Phone of interphone in elevator or mobile phone dialing elevator reparing unit, also outwardly transmit stranded information by the mode such as to cry out lustily for help, this situation generally can not form personal casualty.Two is that elevator drops suddenly, elevator unexpected tenesmus generally, is all because the cord break of traction elevator causes, in this case, even if the personnel in elevator take certain safeguard procedures, also causes casualties unavoidably.
At present, although elevator also uses some safety apparatuss, the problem ruptured suddenly for rope causes elevator to drop, never good terms of settlement.Although so far, there are some safety device for elevator, these safety devices or slow in reacting, or performance is unreliable, still can not protect the personnel in elevator.
Therefore, be fastened securely method for a kind of new elevator rope of exploitation, not only have urgent researching value, also have good economic benefit and technical application potentiality, this is the power place that is accomplished of the present invention and basis just.
Summary of the invention
Be fastened securely the defect of method to overcome above-mentioned pointed existing elevator rope, the present inventor, to this has been in-depth study, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical matters to be solved by this invention is: provide a kind of elevator rope to be fastened securely method, can brake in time when the rope of elevator ruptures suddenly, avoid the generation of casualty accident.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of elevator rope to be fastened securely method, described elevator rope is fastened securely method and uses movable guide wheel that rope is pulled away from vertical position, the first fixing guide wheel of position and the second guide wheel is respectively equipped with in the both sides of described movable guide wheel vertical direction, described rope is pile warp first guide wheel respectively, movable guide wheel is connected car with after the second guide wheel, described car both sides are relatively set with guide rail, roller is provided with between described car and guide rail, described movable guide wheel is rotated and is installed in a rotating shaft, described movable guide wheel is all stretched out at the two ends of described rotating shaft, one end of described rotating shaft connects one end of an extension spring, the other end of described extension spring is fixedly mounted on described car, the other end of described rotating shaft connects a unidirectional actuating unit, described unidirectional actuating unit connects a slipper, brake clearance is provided with between described slipper and described guide rail, the stroke of described unidirectional actuating unit is greater than described brake clearance.
Be fastened securely in method at described elevator rope of the present invention, improve as one, described unidirectional actuating unit comprises and is fixedly mounted on the first hydraulic ram on described car and the second hydraulic ram, the piston rod of described first hydraulic ram and the end of described rotating shaft hinged, the piston rod of described second hydraulic ram is connected with described slipper, the rodless cavity of described first hydraulic ram is connected by hydraulic tubing with the rodless cavity of described second hydraulic ram, the rodless cavity of described first hydraulic ram, hydraulic oil is equipped with in the rodless cavity of the second hydraulic ram and hydraulic tubing, described hydraulic tubing is provided with check valve.
Be fastened securely in method at described elevator rope of the present invention, as further improvement, described hydraulic tubing be parallel with a normally closed cut-off valve with described check valve.
Be fastened securely in method at described elevator rope of the present invention, as further improvement, described movable guide wheel has the grooving of an arc, and the cross section arc of described grooving is major arc.
Be fastened securely in method at described elevator rope of the present invention, improve as one, described guide rail is provided with four and is relatively arranged on the both sides of described car between two, described rope is provided with four and is distributed in the corner of described car, be fixed on described car after the equal pile warp of rope one first guide wheel, movable guide wheel and the second guide wheel described in every root, each movable guide wheel connects unidirectional actuating unit described in, and described in each, unidirectional actuating unit all connects slipper described in.
Be fastened securely in method at described elevator rope of the present invention, as further improvement, during any cord break, four described slipper are braked all simultaneously.
Be fastened securely in method at described elevator rope of the present invention, as further improvement, described car is fixed a pressure distributor, described pressure distributor is provided with four oil inlets and four oil outlets, described four oil inlets connect the rodless cavity of four described first hydraulic rams respectively, and described four oil outlets connect the rodless cavity of four described second hydraulic rams respectively.
After have employed technique scheme, described method of the present invention achieves multiple beneficial effect, such as:
(1) owing to being provided with movable guide wheel, act on rope by extension spring, once rope ruptures suddenly, movable guide wheel is pulled under extension spring application force, thus drive unidirectional actuating unit to withstand on guide rail by slipper, realize braking, prevent car from falling, protective effect is served to the personnel in car; Again because the stroke of unidirectional actuating unit is greater than brake clearance, thus braking failure after avoiding brake pads wear, further increase the safety performance of elevator.
(2) due to hydraulic tubing being parallel with a normally closed cut-off valve with check valve, when after car braking, personal security is left, when needing to safeguard, normally closed cut-off valve can be opened, reset slipper, thus improve the efficiency of maintainer, also reduce its labor content.
(3) owing to being provided with four ropes, change the stressing conditions of every root rope, compared with the situation that hoists of a rope, substantially increase safety factor, and every root rope all corresponding connection one slipper, also substantially increase its safety performance.
(4) owing to being provided with pressure distributor, when have in four ropes any one rupture suddenly time, four slipper can both be made simultaneously to work, further increase the safety performance of elevator.
As mentioned above, the invention provides a kind of elevator rope and be fastened securely method, farthest can be protected the personal security in elevator by use the method, stop and avoid the generation of casualty accident, thus protect the life security of the people.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention two;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is the initial condition arrangement plan of the first guide wheel, movable guide wheel and the second guide wheel;
Fig. 4 is the structural representation of movable guide wheel;
Fig. 5 is the structural representation of the embodiment of the present invention three;
Wherein, in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, each number designation refers to following concrete meaning, element and/or parts respectively.
In figure: 1, car, 2, guide rail, 3, roller, 4, movable guide wheel, 401, grooving, 5, rotating shaft, 6, extension spring, the 7, first hydraulic ram, the 8, second hydraulic ram, 9, slipper, 10, check valve, 11, normally closed cut-off valve, 12, rope, 13, the first guide wheel, the 14, second guide wheel, 15, pressure distributor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
Hoist in process at the car of current elevator, have use rope to hoist, also have use four ropes to hoist, introduce the embodiment under different situation below respectively in detail.
Embodiment one
As Fig. 2 and Fig. 3 jointly shown in, a kind of elevator rope provided by the present invention is fastened securely method, when car 1 uses a rope 12 to hoist, described elevator rope is fastened securely method and mainly uses movable guide wheel 4 that rope 12 is pulled away from vertical position, the first guide wheel 13 and the second guide wheel 14 that position is fixing is respectively equipped with in the both sides of movable guide wheel 4 vertical direction, the installation shaft of the first guide wheel 13 and the second guide wheel 14 is all fixedly mounted on a support, this support and car 1 are fixed together, rope 12 is pile warp first guide wheel 13 respectively, movable guide wheel 4 is connected car 1 with after the second guide wheel 14, car 1 both sides are relatively set with guide rail 2, guide rail 2 shape is flute profile, car 1 is set between guide rail 2, roller 3 is provided with between car 1 and guide rail 2, roller 3 rolls and is arranged on the trough rim of guide rail 2, movable guide wheel 4 is rotated and is installed in a rotating shaft 5, movable guide wheel 4 is all stretched out at the two ends of rotating shaft 5, one end of rotating shaft 5 connects one end of an extension spring 6, the other end of extension spring 6 is fixedly mounted on car 1, the other end of rotating shaft 5 connects a unidirectional actuating unit, unidirectional actuating unit connects a slipper 9, with reference to figure 1, bottom land position between the corresponding guide rail in position 2 liang of trough rims of slipper 9, brake clearance is provided with between slipper 9 and guide rail 2, the stroke of unidirectional actuating unit is greater than brake clearance, during initial condition, rope 12 is pulled away from vertical position by movable guide wheel 4 under extension spring 6 acts on, thus extension spring 6 just has pretension, unidirectional actuating unit comprises the first hydraulic ram 7 and the second hydraulic ram 8 be fixedly mounted on car 1, the piston rod of the first hydraulic ram 7 is hinged by the end of engaging lug and rotating shaft 5, the piston rod of the second hydraulic ram 8 is connected with slipper 9, the rodless cavity of the first hydraulic ram 7 is connected by hydraulic tubing with the rodless cavity of the second hydraulic ram 8, the rodless cavity of the first hydraulic ram 7, hydraulic oil is equipped with in the rodless cavity of the second hydraulic ram 8 and hydraulic tubing, hydraulic tubing is provided with check valve 10, make hydraulic oil can only flow to the second hydraulic ram 8 from the first hydraulic ram 7, when rope 12 ruptures suddenly, movable guide wheel 4 is pulled under the effect of extension spring 6 pretension, thus drive the piston rod of the first hydraulic ram 7 to be released by the hydraulic oil in first hydraulic ram 7 rodless cavity, flowed in the rodless cavity of the second hydraulic ram 8 by check valve 10, the piston rod of the second hydraulic ram 8 is released, slipper 9 is withstood on the bottom land of guide rail 2, make to produce huge friction force between slipper 9 and guide rail 2, the car 1 of tenesmus is braked.After car 1 is braked, need repairing elevator, when re-using after repairing rope 12, hydraulic tubing is parallel with a normally closed cut-off valve 11 with check valve 10, can opens normally closed cut-off valve 11, reset slipper 9, and elevator just can continue to use.
As shown in Figure 4, movable guide wheel 4 has the grooving 401 of an arc, and the cross section arc of grooving 401 is major arc, and the narrowest width of grooving 401 opening, is deviate from from movable guide wheel 4 just through being advisable to prevent rope 12 with rope 12 in moving process.
Embodiment two
As Fig. 1, 2 and Fig. 3 jointly shown in, a kind of elevator rope provided by the present invention is fastened securely method, when car 1 uses four ropes to hoist, described elevator rope is fastened securely method and mainly uses movable guide wheel 4 that rope 12 is pulled away from vertical position, the first guide wheel 13 and the second guide wheel 14 that position is fixing is respectively equipped with in the both sides of movable guide wheel 4 vertical direction, the installation shaft of the first guide wheel 13 and the second guide wheel 14 is all fixedly mounted on a support, this support and car 1 are fixed together, rope 12 is pile warp first guide wheel 13 respectively, movable guide wheel 4 is connected car 1 with after the second guide wheel 14, car 1 both sides are relatively set with guide rail 2, guide rail 2 shape is flute profile, car 1 is set between guide rail 2, roller 3 is provided with between car 1 and guide rail 2, roller 3 rolls and is arranged on the trough rim of guide rail 2, movable guide wheel 4 is rotated and is installed in a rotating shaft 5, movable guide wheel 4 is all stretched out at the two ends of rotating shaft 5, one end of rotating shaft 5 connects one end of an extension spring 6, the other end of extension spring 6 is fixedly mounted on car 1, the other end of rotating shaft 5 connects a unidirectional actuating unit, unidirectional actuating unit connects a slipper 9, with reference to figure 1, bottom land position between the corresponding guide rail in position 2 liang of trough rims of slipper 9, brake clearance is provided with between slipper 9 and guide rail 2, the stroke of unidirectional actuating unit is greater than brake clearance, during initial condition, rope 12 is pulled away from vertical position by movable guide wheel 4 under extension spring 6 acts on, thus extension spring 6 just has pretension, unidirectional actuating unit comprises the first hydraulic ram 7 and the second hydraulic ram 8 be fixedly mounted on car 1, the piston rod of the first hydraulic ram 7 and the end of rotating shaft 5 hinged, the piston rod of the second hydraulic ram 8 is connected with slipper 9, the rodless cavity of the first hydraulic ram 7 is connected by hydraulic tubing with the rodless cavity of the second hydraulic ram 8, the rodless cavity of the first hydraulic ram 7, hydraulic oil is equipped with in the rodless cavity of the second hydraulic ram 8 and hydraulic tubing, hydraulic tubing is provided with check valve 10, make hydraulic oil can only flow to the second hydraulic ram 8 from the first hydraulic ram 7, when a certain rope 12 ruptures suddenly, movable guide wheel 4 is pulled under extension spring 6 pretension effect corresponding with it, thus drive the piston rod of the first hydraulic ram 7 to be released by the hydraulic oil in first hydraulic ram 7 rodless cavity, flowed in the rodless cavity of the second hydraulic ram 8 by check valve 10, the piston rod of the second hydraulic ram 8 is released, slipper 9 is withstood on the bottom land of guide rail 2, make to produce huge friction force between slipper 9 and guide rail 2, the car 1 of tenesmus is braked.After car 1 is braked, need repairing elevator, when re-using after repairing rope 12, hydraulic tubing is parallel with a normally closed cut-off valve 11 with check valve 10, can opens normally closed cut-off valve 11, reset slipper 9, and elevator just can continue to use.
Embodiment three
As Fig. 5,2 and Fig. 3 jointly shown in, a kind of elevator rope provided by the present invention is fastened securely method, substantially identical with embodiment two, its difference is, when in four ropes during any cord break, four slipper 9 are braked all simultaneously, the method realizing this measure can use electronic control component, but electronic component failure rate is higher, contriver, through studying for a long period of time, employs following scheme:
Car 1 is fixed a pressure distributor 15, pressure distributor 15 is provided with four oil inlets and four oil outlets, four oil inlets connect the rodless cavity of four the first hydraulic rams 7 respectively, four oil outlets connect the rodless cavity of four the second hydraulic rams 8 respectively, when have in four ropes 12 any one rupture suddenly time, extension spring 6 corresponding with it just promotes the piston rod of the first hydraulic ram 7, the hydraulic oil in the first hydraulic ram 7 is made to enter pressure distributor 15, then simultaneously fuel-displaced from four oil outlets, promote the piston rod of four the second hydraulic rams 8 simultaneously, four slipper 9 can be made to work simultaneously, substantially increase the safety performance of elevator.
Certainly, in order to ensure the rapid reaction of four the second hydraulic rams 8, contriver is through studying for a long period of time, and during making, the cylinder diameter of the first hydraulic ram 7 is twices of the cylinder diameter of the second hydraulic ram 8 is good.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (7)
1. an elevator rope is fastened securely method, it is characterized in that: use movable guide wheel that rope is pulled away from vertical position, the first fixing guide wheel of position and the second guide wheel is respectively equipped with in the both sides of described movable guide wheel vertical direction, described rope is pile warp first guide wheel respectively, movable guide wheel is connected car with after the second guide wheel, described car both sides are relatively set with guide rail, roller is provided with between described car and guide rail, described movable guide wheel is rotated and is installed in a rotating shaft, described movable guide wheel is all stretched out at the two ends of described rotating shaft, one end of described rotating shaft connects one end of an extension spring, the other end of described extension spring is fixedly mounted on described car, the other end of described rotating shaft connects a unidirectional actuating unit, described unidirectional actuating unit connects a slipper, brake clearance is provided with between described slipper and described guide rail, the stroke of described unidirectional actuating unit is greater than described brake clearance.
2. elevator rope as claimed in claim 1 is fastened securely method, it is characterized in that: described unidirectional actuating unit comprises and is fixedly mounted on the first hydraulic ram on described car and the second hydraulic ram, the piston rod of described first hydraulic ram and the end of described rotating shaft hinged, the piston rod of described second hydraulic ram is connected with described slipper, the rodless cavity of described first hydraulic ram is connected by hydraulic tubing with the rodless cavity of described second hydraulic ram, the rodless cavity of described first hydraulic ram, hydraulic oil is equipped with in the rodless cavity of the second hydraulic ram and hydraulic tubing, described hydraulic tubing is provided with check valve.
3. elevator rope as claimed in claim 1 or 2 is fastened securely method, it is characterized in that: described hydraulic tubing is parallel with a normally closed cut-off valve with described check valve.
4. the elevator rope as described in any one of claim 1-3 is fastened securely method, it is characterized in that: described movable guide wheel has the grooving of an arc, and the cross section arc of described grooving is major arc.
5. the elevator rope as described in claim as arbitrary in claim 1-4 is fastened securely method, it is characterized in that: described guide rail is provided with four and is relatively arranged on the both sides of described car between two, described rope is provided with four and is distributed in the corner of described car, be fixed on described car after the equal pile warp of rope one first guide wheel, movable guide wheel and the second guide wheel described in every root, each movable guide wheel connects unidirectional actuating unit described in, and described in each, unidirectional actuating unit all connects slipper described in.
6. elevator rope as claimed in claim 5 is fastened securely method, and it is characterized in that: during any cord break, four described slipper are braked all simultaneously.
7. the elevator rope as described in any one of claim 1-6 is fastened securely method, it is characterized in that: described car is fixed a pressure distributor, described pressure distributor is provided with four oil inlets and four oil outlets, described four oil inlets connect the rodless cavity of four described first hydraulic rams respectively, and described four oil outlets connect the rodless cavity of four described second hydraulic rams respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484684.7A CN104261228B (en) | 2014-09-19 | 2014-09-19 | A kind of elevator rope is fastened securely method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484684.7A CN104261228B (en) | 2014-09-19 | 2014-09-19 | A kind of elevator rope is fastened securely method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104261228A true CN104261228A (en) | 2015-01-07 |
| CN104261228B CN104261228B (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410484684.7A Expired - Fee Related CN104261228B (en) | 2014-09-19 | 2014-09-19 | A kind of elevator rope is fastened securely method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104261228B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814298A (en) * | 2017-10-28 | 2018-03-20 | 浙江盛豪铸造有限公司 | Safe diversion sheave |
| CN107826935A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | The diversion sheave of better working stability |
| CN107826946A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | Diversion sheave |
| CN107826947A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | The diversion sheave that can effectively prevent rope from departing from |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5353895A (en) * | 1992-06-23 | 1994-10-11 | Camack Dermot E | Emergency braking system for hoists |
| CN1428287A (en) * | 2001-12-24 | 2003-07-09 | 因温特奥股份公司 | Safety brake device for elevator equipment |
| CN2587828Y (en) * | 2002-12-30 | 2003-11-26 | 南京市第一建筑工程公司 | Safety protector for well head lift |
| DE202004017585U1 (en) * | 2004-11-12 | 2005-01-20 | Hydraulik-Liftsysteme Walter Mayer Gmbh | Guided lifting device with holding and safety gear |
| CN202924517U (en) * | 2012-11-19 | 2013-05-08 | 北京升华电梯有限公司 | Straight elevator safety gear device |
-
2014
- 2014-09-19 CN CN201410484684.7A patent/CN104261228B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5353895A (en) * | 1992-06-23 | 1994-10-11 | Camack Dermot E | Emergency braking system for hoists |
| CN1428287A (en) * | 2001-12-24 | 2003-07-09 | 因温特奥股份公司 | Safety brake device for elevator equipment |
| CN2587828Y (en) * | 2002-12-30 | 2003-11-26 | 南京市第一建筑工程公司 | Safety protector for well head lift |
| DE202004017585U1 (en) * | 2004-11-12 | 2005-01-20 | Hydraulik-Liftsysteme Walter Mayer Gmbh | Guided lifting device with holding and safety gear |
| CN202924517U (en) * | 2012-11-19 | 2013-05-08 | 北京升华电梯有限公司 | Straight elevator safety gear device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814298A (en) * | 2017-10-28 | 2018-03-20 | 浙江盛豪铸造有限公司 | Safe diversion sheave |
| CN107826935A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | The diversion sheave of better working stability |
| CN107826946A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | Diversion sheave |
| CN107826947A (en) * | 2017-10-28 | 2018-03-23 | 浙江盛豪铸造有限公司 | The diversion sheave that can effectively prevent rope from departing from |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104261228B (en) | 2016-06-08 |
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Inventor after: Qian Juan Inventor after: Wei Ting Inventor before: Sun Haoer |
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Effective date of registration: 20171023 Address after: 225000 Jintai Road, Tai'an Town, ecological science and Technology Town, Jiangsu, Yangzhou Patentee after: Yangzhou ecological science and technology new town run industry small and Medium Enterprise Service Center Co., Ltd. Address before: Hengxi town Yinzhou District new industrial park, 315131 Zhejiang city of Ningbo Province Patentee before: Ningbo Haobo Commerce Co., Ltd. |
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Granted publication date: 20160608 Termination date: 20180919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |