CN104944252A - Device for combining rope head of elevator car pulling rope - Google Patents
Device for combining rope head of elevator car pulling rope Download PDFInfo
- Publication number
- CN104944252A CN104944252A CN201510368111.2A CN201510368111A CN104944252A CN 104944252 A CN104944252 A CN 104944252A CN 201510368111 A CN201510368111 A CN 201510368111A CN 104944252 A CN104944252 A CN 104944252A
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- CN
- China
- Prior art keywords
- spring
- screw
- head
- cavity
- cutting ferrule
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- 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
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a device for combining a rope head of an elevator car pulling rope, and belongs to the technical field of elevator accessories. The device comprises a screw and a rope head sleeving rod. Locking nuts, a spring upper supporting disc, a spring and a spring lower supporting disc are arranged at the upper end of the screw. The upper end of the spring is supported on the spring upper supporting disc, the lower end of the spring is supported on the spring lower supporting disc, the lower end of the screw extends to be provided with a screw head sleeve, the screw head sleeve is provided with a screw head cavity, and screw-head matched connection inner threads are formed in the cavity wall of the screw head cavity. A rope head containing cavity is formed in the upper portion of the rope head sleeving rod, a conical clamping sleeve extending cavity is formed in the lower portion of the rope head sleeving rod, the top of the rope head sleeving rod extends to be provided with the screw head, and locking-nut matched connection outer threads are formed in the outer wall of the lower portion of the rope head sleeving rod. A locking nut sleeve is connected with the locking-nut matched connection outer threads in a matched mode, and a conical clamping sleeve is correspondingly arranged in the conical clamping sleeve extending cavity in the state of being supported on a conical clamping sleeve supporting cavity of the locking nut sleeve. Installation is convenient and rapid, and efficiency is high; the use safety is guaranteed; the overall structure is simple, and manufacturing and assembling are quite easy.
Description
Technical field
The invention belongs to elevator accessory technical field, be specifically related to a kind of lift car hauling rope rope socketing device, for the fag end of the hauling rope of fixing lift car trailer coupling.
Background technology
Above mentioned lift car hauling rope is driven to frictionally by the traction sheave of towing machine under the work of towing machine, and the two ends of hauling rope are respectively fixed by the carrier (carrier is rope hitch plate) at rope socketing device and hoistway (passage for lift car runs up and down) top, and the middle part of hauling rope is drawn and in elevator traction machine traction sheave, be arranged on the pulley of elevator car roof, and to draw and in the clump weight guide wheel of clump weight.
Technical information about lift car hauling rope rope socketing device can be seen in disclosed Chinese patent literature, as Authorization Notice No. CN201268536Y(belt type towline head combination), CN202464993U(rope socketing device) and CN203593492U(elevator rope end Compress Spring stabilizing device), etc.In addition, also show all at analogous technical fields, such as Authorization Notice No. CN203743308U recommends to be had " rope socketing device in weight-lifting equipment ".
" rope socketing device " that logical fraud existing for the rope socketing device that the patent formula being not limited to exemplify above provides is recommended by application for a patent for invention publication No. CN104370181A makes up, specifically can see the specification sheets of this CN104370181A the 0004th section, 0018 section and 0022 to 0028 section.But still there is following shortcoming in this CN104370181A: one, owing to needing the fag end of hauling rope and the roll compacting of fag end loop bar to be fixed, such as point out specification sheets the 0028th section: " fag end of hauling rope is inserted the lower end of fag end loop bar and extruded by crimping pliers, the lower end of fag end loop bar is out of shape and reliably squeezes with fag end to be combined, crimping pliers is as the conducting wire hydraulic crimping pliers in power line construction apparatus or similar device, thus the fixing operation of fag end extremely bothers and because installation effectiveness being caused low by the crimping pliers as external equipment and installation difficulty is large, they are two years old, because the affixed region of fag end and fag end loop bar is only confined to the region with squeezing groove, the material adding overhanging cable and fag end loop bar is different, coefficient of thermal expansion and contraction is different, thus there is the anxiety that fag end loosens and even shakes off from fag end loop bar, current terms of settlement changes in time in regular or irregular inspection.
For the problems referred to above, the applicant has done useful design, and defines technical scheme described below.
Summary of the invention
Task of the present invention is to provide a kind of without the need to relying on complicated extrusion equipment and can be reliably fixing and help avoid fag end and loosen and even come off and use safing lift car hauling rope rope socketing device by fag end quickly.
Task of the present invention has been come like this, a kind of lift car hauling rope rope socketing device, comprise a screw rod, be disposed with from top to bottom in the upper end of this screw rod on lock nut, spring and support dish bowl, spring and spring lower support dish bowl, wherein: the upper end of spring is bearing on spring supports on dish bowl, and the lower end of spring is bearing on spring lower support dish bowl, a screw rod headgear is extended with in the lower end of described screw rod, this screw head cover has a screw rod head cavity, the chamber wall of this screw rod head cavity is configured with screw head and connects negative thread; One fag end loop bar, fag end container cavity is configured with on the top of the longitudinally central authorities of this fag end loop bar, and bottom is configured with taper cutting ferrule probes into chamber, this taper cutting ferrule probes into chamber and communicates with fag end container cavity, and be extended with a screw head at the top of fag end loop bar, this screw head to probe in described screw rod head cavity and connects negative thread screw thread fit with described screw head, the outer wall of the bottom of fag end loop bar is configured with jam nut and connects outside thread; One taper cutting ferrule and a locking screw mother set, locking screw mother set and described locking screw mother set connect outside thread and connect, and correspond to described taper cutting ferrule and probe in chamber under the state that conic clamp is enclosed within the taper cutting ferrule supporting cavity being supported on locking screw mother set.
In a specific embodiment of the present invention, be provided with a holding piece for limiting lock nut in the upper end of described screw rod and corresponding to the position above described lock nut.
In another specific embodiment of the present invention, described holding piece is jump ring or spring cotter.
In another specific embodiment of the present invention, described screw rod is provided with a packing ring, this packing ring supports between dish bowl in described lock nut and described spring; On described spring lower support dish bowl and the side of supporting dish bowl on spring is provided with a damping ring, this damping ring is nested with on screw rod, and the lower end of described spring is bearing on damping ring.
In another specific embodiment of the present invention, on described screw head cover and be positioned at top offer one from the side of screw rod headgear a through lock pin holes to opposite side, this lock pin holes is plugged with a stop pin, the two ends of this stop pin lean out lock pin holes and are supported on the top end face of described screw head, and the outer wall of the bottom of screw rod headgear is configured with a six-sided head.
Also have in a specific embodiment of the present invention, the upper end end face of described screw head is configured with the stop pin bearing pocket that a shape of cross section is C font, and the two supports of described stop pin is on this stop pin bearing pocket.
More of the present invention and in a specific embodiment, the position that borders on probeing into chamber at described fag end container cavity and described taper cutting ferrule is configured with a cavity and borders on step, the thickness that described taper cutting ferrule probes into the chamber wall in chamber by bottom to top progressive additive.
In an of the present invention and then specific embodiment, offer an expansion slot communicated with the conic clamp mantle cavity of taper cutting ferrule in the side of described taper cutting ferrule and along the short transverse of taper cutting ferrule.
More, in a specific embodiment, the inwall of the taper cutting ferrule supporting cavity of described locking screw mother set is configured with locking screw mother set negative thread again of the present invention, this locking screw mother set negative thread and described locking screw mother set connect outside thread screw thread fit.
In an again of the present invention and then specific embodiment, the chamber diapire of described taper cutting ferrule supporting cavity is positioned at middle position and offers a fag end resigning hole communicated with the external world.
The technique effect of technical scheme provided by the invention is: one, as long as owing to first the bottom that lift car hauling rope fag end Self-lock nut overlaps being introduced and is passed taper cutting ferrule until probe into fag end container cavity in use, again the locking screw mother set of locking screw mother set and fag end loop bar is connected outside thread screw thread fit, thus lift car hauling rope fag end can be realized reliably to be fixed on fag end loop bar, lift car hauling rope fag end and fag end loop bar are extruded fixing without the need to resembling the equipment relying on such as hydraulic pressure crimping pliers and so on prior art, it is convenient not only to install, and can installation effectiveness be significantly improved, its two, owing to have employed taper cutting ferrule, thus can by taper cutting ferrule elastic deformation by the comprehensive envelope of lift car hauling rope fag end and reliably holding-solid, there will not be the situation that loosens and even shake off from fag end loop bar and ensured use safety, its three, because integral structure is simple, no matter be thus that assembling when manufacturing or use is all very easy.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention constructional drawing.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is application examples schematic diagram of the present invention.
Detailed description of the invention
In order to enable the inspector of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
embodiment:
Refer to Fig. 1 and Fig. 2, give a screw rod 1, be disposed with from top to bottom in the upper end of this screw rod 1 on lock nut 11, spring and support dish bowl 12, spring 13 and spring lower support dish bowl 14.Shown in Fig. 1 and Fig. 2, the dish bowl chamber of spring upper and lower supporting dish bowl 12,14 is corresponding with aspectant state each other, the upper end of spring 13 is bearing on spring supports on dish bowl 12, and the lower end of spring 13 is bearing on spring lower support dish bowl 14, a screw rod headgear 15 is extended with to expand state of establishing in the lower end of described screw rod 1, this screw rod headgear 15 has a screw rod head cavity 151, the chamber wall of this screw rod head cavity 151 is configured with screw head and connects negative thread 1511; Give a fag end loop bar 2, fag end container cavity 21 is configured with on the top of the longitudinally central authorities of this fag end loop bar 2, and bottom is configured with taper cutting ferrule probes into chamber 22, this taper cutting ferrule probes into chamber 22 and communicates with fag end container cavity 21, and a screw head 23 isolated with aforementioned fag end container cavity 21 is extended with at the top of fag end loop bar 2, this screw head 23 to probe in aforementioned screw rod head cavity 151 and connects negative thread 1511 screw thread fit with aforementioned screw head, the outer wall of the bottom of fag end loop bar 2 is configured with jam nut and connects outside thread 24; Give taper cutting ferrule 3 and a locking screw mother set 4, locking screw mother set 4 and aforementioned locking screw mother set connect outside thread 24 screw thread and connect, and taper cutting ferrule 3 corresponds to aforementioned taper cutting ferrule and probes in chamber 22 under the state of taper cutting ferrule supporting cavity 41 being supported on locking screw mother set 4.
Shown in Fig. 1 and Fig. 2, the quantity of aforesaid lock nut 11 has two.A holding piece 16 for limiting lock nut 11 is provided with in the upper end of aforementioned screw rod 1 and corresponding to the position above lock nut 11, this holding piece 16 both can be jump ring also can be spring cotter, because the present embodiment is selected with spring cotter as holding piece 16, thus a cotter-pin hold 18 is offered in the upper end of screw rod 1 and corresponding to the position of holding piece 16, the holding piece 16 served as by spring cotter is plugged on this cotter-pin hold 18, plays the restriction effect to lock nut 11.If certainly serve as holding piece 16 by jump ring, so offer a jump-ring slot in the upper end of screw rod 1 and around the circumferencial direction of screw rod 1, by jump ring holding in this jump-ring slot, play the restriction effect to lock nut 11.
Aforesaid screw rod 1 is provided with the packing ring 17 that is preferably quality of rubber materials, and this packing ring 17 supports between dish bowl 12 in aforementioned lock nut 11 and spring; On aforesaid spring lower support dish bowl 14 and the side of supporting dish bowl 12 on spring is provided with a damping ring 141, this damping ring 141 is nested with on screw rod 1, and the lower end of aforementioned spring 13 is bearing on damping ring 141.
Please continue to refer to Fig. 1 and Fig. 2, on aforementioned screw rod headgear 15 and be positioned at top offer one from the side of screw rod headgear 15 a through lock pin holes 152 to opposite side, this lock pin holes 152 is plugged with a stop pin 1521, the two ends of this stop pin 1521 lean out lock pin holes 152 and are supported on the top end face of aforesaid screw head 23, and the outer wall of the bottom of screw rod headgear 15 is configured with a six-sided head 153.
The upper end end face of aforementioned screw head 23 is configured with the stop pin bearing pocket 231 that a shape of cross section is C font, and the two supports of aforementioned stop pin 1521 is on this stop pin bearing pocket 231.By the lasting effect that is connected that stop pin 1521 can be promoted between screw rod 1 with fag end loop bar 2 with the cooperation of stop pin supporting groove 231, because the existence of stop pin 1521 can be assisted coordinate negative thread 1511 and the effect that is threaded between the screw thread on screw head 23 into increasing screw head, such as at least can avoid collapsing tooth situation, specifically can shake off from screw rod head cavity 151 by anti-fall screw head 23.
The position that borders on probeing into chamber 22 at aforesaid fag end container cavity 21 and taper cutting ferrule is configured with a cavity and borders on step 211, and the thickness that aforementioned taper cutting ferrule probes into the chamber wall in chamber 221 to top progressive additive, or claims gradually thinning by top lower portion by bottom.
As shown in Figure 1, an expansion slot 32 communicated with the conic clamp mantle cavity 31 of taper cutting ferrule 3 is offered in the side of aforementioned taper cutting ferrule 3 and along the short transverse of taper cutting ferrule 3.
The inwall of the taper cutting ferrule supporting cavity 41 of aforementioned locking screw mother set 4 is configured with locking screw mother set negative thread 411, and this locking screw mother set negative thread and aforesaid locking screw mother set connect outside thread 24 screw thread fit.And then on the chamber diapire of taper cutting ferrule supporting cavity 41 and be positioned at middle position offer one with the fag end resigning hole 412 that communicates of the external world.
As shown in Figure 2, also show a top board 5 in this Fig. 2, this top board 5 is essentially to be positioned at and shows for lift car 6(Fig. 3) base plate of the machine room of well headroom that runs.Lower of aforesaid spring is being bearing on top board 5 at dish bowl 14 corresponding to the position above top board 5, and the lower end of screw rod 1 is stretched over the below of top board 5 and is threaded with aforesaid fag end loop bar 2.
The lift car hauling rope fag end 7 illustrated by Fig. 1 and Fig. 2 penetrates from the fag end resigning hole 412 of locking screw mother set 4 and passes taper cutting ferrule 3 and directly makes lift car hauling rope fag end 7 be insinuated into aforesaid fag end container cavity 21, when with instrument as spanner by locking screw mother set 4 with fag end loop bar 2 screw thread fit time, the lower end (position corresponding with locking screw mother set 4) of fag end loop bar 2 can produce and probes into the trend of chamber 22 direction deformation to taper cutting ferrule and extrude taper cutting ferrule 3, until make expansion slot 32 be tending towards closed, while taper cutting ferrule 3 is extruded by this taper cutting ferrule 3 with hoop effect and by lift car hauling rope fag end 7 tightly holding-solid, there will not be and shake off phenomenon.Because lift car hauling rope fag end 7 has two, thus another fixed form is identical.
application examples:
Refer to Fig. 3 and composition graphs 1 and Fig. 2, figure 3 illustrates two lift car hauling rope rope socketing devices of the present invention, shown in this Fig. 3, the middle part of lift car hauling rope is drawn and car guide wheel 61, the traction sheave 81 of towing machine 8 and the clump weight guide wheel 91 of clump weight 9 in the top of lift car 6.When towing machine 8 works, lift car 6 runs (job security by the clockwise and anticlockwise motor of towing machine 8) up or down under the drive of lift car hauling rope.Due to lift car hauling rope fag end 7(two) be reliably fixed on fag end loop bar 2, because of but foolproof.
Claims (10)
1.
a kind of lift car hauling rope rope socketing device, it is characterized in that comprising a screw rod (1), lock nut (11) is disposed with from top to bottom in the upper end of this screw rod (1), spring supports dish bowl (12), spring (13) and spring lower support dish bowl (14), wherein: the upper end of spring (13) is bearing on spring supports on dish bowl (12), and the lower end of spring (13) is bearing on spring lower support dish bowl (14), a screw rod headgear (15) is extended with in the lower end of described screw rod (1), this screw rod headgear (15) has a screw rod head cavity (151), the chamber wall of this screw rod head cavity (151) is configured with screw head and connects negative thread (1511), one fag end loop bar (2), fag end container cavity (21) is configured with on the top of the longitudinally central authorities of this fag end loop bar (2), and bottom is configured with taper cutting ferrule probes into chamber (22), this taper cutting ferrule probes into chamber (22) and communicates with fag end container cavity (21), and be extended with a screw head (23) at the top of fag end loop bar (2), this screw head (23) to probe in described screw rod head cavity (151) and connects negative thread (1511) screw thread fit with described screw head, the outer wall of the bottom of fag end loop bar (2) is configured with jam nut and connects outside thread (24), one taper cutting ferrule (3) and a locking screw mother set (4), locking screw mother set (4) and described locking screw mother set connect outside thread (24) and connect, and taper cutting ferrule (3) corresponds to described taper cutting ferrule and probes in chamber (22) under the state of taper cutting ferrule supporting cavity (41) being supported on locking screw mother set (4).
2.
lift car hauling rope rope socketing device according to claim 1, is characterized in that in the upper end of described screw rod (1) and is provided with a holding piece (16) for limiting lock nut (11) in the position of top corresponding to described lock nut (11).
3.
lift car hauling rope rope socketing device according to claim 2, is characterized in that described holding piece (16) is jump ring or spring cotter.
4.
lift car hauling rope rope socketing device according to claim 1, it is characterized in that being provided with a packing ring (17) on described screw rod (1), this packing ring (17) is positioned on described lock nut (11) and described spring and supports between dish bowl (12); Described spring lower support dish bowl (14) is upper and the side of supporting dish bowl (12) on spring is provided with a damping ring (141), this damping ring (141) is nested with on screw rod (1), and the lower end of described spring (13) is bearing on damping ring (141).
5.
lift car hauling rope rope socketing device according to claim 1, it is characterized in that described screw rod headgear (15) upper and be positioned at top offer one from the side of screw rod headgear (15) a through lock pin holes (152) to opposite side, this lock pin holes (152) is plugged with a stop pin (1521), the two ends of this stop pin (1521) lean out lock pin holes (152) and are supported on the top end face of described screw head (23), the outer wall of the bottom of screw rod headgear (15) is configured with a six-sided head (153).
6.
lift car hauling rope rope socketing device according to claim 5, it is characterized in that on the upper end end face of described screw head (23), be configured with the stop pin bearing pocket (231) that a shape of cross section is C font, the two supports of described stop pin (1521) is on this stop pin bearing pocket (231).
7.
lift car hauling rope rope socketing device according to claim 1, it is characterized in that the position that borders on probeing into chamber (22) at described fag end container cavity (21) and described taper cutting ferrule is configured with a cavity and borders on step (211), the thickness that described taper cutting ferrule probes into the chamber wall in chamber (221) by bottom to top progressive additive.
8.
lift car hauling rope rope socketing device according to claim 1, is characterized in that offering an expansion slot (32) communicated with the conic clamp mantle cavity (31) of taper cutting ferrule (3) in the side of described taper cutting ferrule (3) and along the short transverse of taper cutting ferrule (3).
9.
lift car hauling rope rope socketing device according to claim 1, it is characterized in that being configured with locking screw mother set negative thread (411) on the inwall of the taper cutting ferrule supporting cavity (41) of described locking screw mother set (4), this locking screw mother set negative thread (411) and described locking screw mother set connect outside thread (24) screw thread fit.
10.
lift car hauling rope rope socketing device according to claim 1 or 9, to is characterized in that on the chamber diapire of described taper cutting ferrule supporting cavity (41) and is positioned at middle position offering a fag end resigning hole (412) communicated with the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368111.2A CN104944252A (en) | 2015-06-29 | 2015-06-29 | Device for combining rope head of elevator car pulling rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368111.2A CN104944252A (en) | 2015-06-29 | 2015-06-29 | Device for combining rope head of elevator car pulling rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104944252A true CN104944252A (en) | 2015-09-30 |
Family
ID=54159408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510368111.2A Pending CN104944252A (en) | 2015-06-29 | 2015-06-29 | Device for combining rope head of elevator car pulling rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104944252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622767A (en) * | 2018-07-13 | 2018-10-09 | 苏州莱茵电梯股份有限公司 | Lift car traction rope rope socketing device |
| CN112978540A (en) * | 2021-02-03 | 2021-06-18 | 江苏神王集团钢缆有限公司 | Special double-parallel-twisted steel wire rope reinforcing assembly for ultra-high-speed elevator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176432Y (en) * | 1993-11-15 | 1994-09-07 | 阜新矿务局王营煤矿修配厂 | String-assembling and shell-expanding roofbolt |
| CN2232513Y (en) * | 1995-10-10 | 1996-08-07 | 王贞利 | Rope fastening apparatus |
| CN2392033Y (en) * | 1999-09-23 | 2000-08-16 | 罗宗建 | Means for gripping steel cable |
| CN2849325Y (en) * | 2005-09-07 | 2006-12-20 | 梁云清 | Wirerope clamp |
| CN104370181A (en) * | 2014-10-16 | 2015-02-25 | 苏州莱茵电梯制造有限公司 | Rope fastening device |
| CN204185063U (en) * | 2014-10-16 | 2015-03-04 | 苏州莱茵电梯制造有限公司 | Rope socketing device |
| CN204200115U (en) * | 2014-10-24 | 2015-03-11 | 中国石油化工股份有限公司 | A kind of wire rope locker |
| CN204778175U (en) * | 2015-06-29 | 2015-11-18 | 苏州莱茵电梯制造有限公司 | Elevator car haulage rope rope fastening device |
-
2015
- 2015-06-29 CN CN201510368111.2A patent/CN104944252A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176432Y (en) * | 1993-11-15 | 1994-09-07 | 阜新矿务局王营煤矿修配厂 | String-assembling and shell-expanding roofbolt |
| CN2232513Y (en) * | 1995-10-10 | 1996-08-07 | 王贞利 | Rope fastening apparatus |
| CN2392033Y (en) * | 1999-09-23 | 2000-08-16 | 罗宗建 | Means for gripping steel cable |
| CN2849325Y (en) * | 2005-09-07 | 2006-12-20 | 梁云清 | Wirerope clamp |
| CN104370181A (en) * | 2014-10-16 | 2015-02-25 | 苏州莱茵电梯制造有限公司 | Rope fastening device |
| CN204185063U (en) * | 2014-10-16 | 2015-03-04 | 苏州莱茵电梯制造有限公司 | Rope socketing device |
| CN204200115U (en) * | 2014-10-24 | 2015-03-11 | 中国石油化工股份有限公司 | A kind of wire rope locker |
| CN204778175U (en) * | 2015-06-29 | 2015-11-18 | 苏州莱茵电梯制造有限公司 | Elevator car haulage rope rope fastening device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622767A (en) * | 2018-07-13 | 2018-10-09 | 苏州莱茵电梯股份有限公司 | Lift car traction rope rope socketing device |
| CN108622767B (en) * | 2018-07-13 | 2023-12-22 | 苏州莱茵电梯股份有限公司 | Rope head combination device of traction rope of elevator car |
| CN112978540A (en) * | 2021-02-03 | 2021-06-18 | 江苏神王集团钢缆有限公司 | Special double-parallel-twisted steel wire rope reinforcing assembly for ultra-high-speed elevator |
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| PB01 | Publication | ||
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Application publication date: 20150930 |