CN107161896B - A kind of rope press device - Google Patents
A kind of rope press device Download PDFInfo
- Publication number
- CN107161896B CN107161896B CN201710221597.6A CN201710221597A CN107161896B CN 107161896 B CN107161896 B CN 107161896B CN 201710221597 A CN201710221597 A CN 201710221597A CN 107161896 B CN107161896 B CN 107161896B
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- CN
- China
- Prior art keywords
- shell
- bushing
- transmission shaft
- press device
- baffle
- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
- B66D1/34—Attachment of ropes or cables to drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of rope press devices, belong to towing winch technical field.Rope press device includes shell and at least a pair holds down assembly；Each holding down assembly includes actuator, connector and supporting mechanism, actuator is mounted on the outer wall of shell, supporting mechanism includes the first transmission shaft, first bushing, first baffle and the first compressing member, one end of connector is fixedly connected with the output shaft of actuator, the other end of connector is connect with the threaded one end of the first transmission shaft, limit skateboard is equipped in the middle part of first transmission shaft, the side wall of shell is equipped with jack, the inner wall of jack is equipped with the limit sliding chutes matched with limit skateboard, the outer wall of the first transmission shaft other end is equipped with first boss, first baffle is fixedly mounted on the other end of the first transmission shaft, first bushing is rotatably mounted around the other end of the first transmission shaft, and first bushing between first baffle and first boss, first compressing member is fixed on the first bushing.The present invention improves the practicability of rope press device.
Description
Technical field
The invention belongs to towing winch technical field, in particular to a kind of rope press device.
Background technique
Towing winch is a kind of common deck machinery, and the folding and unfolding of wirerope is realized for the rotation by roller.In order to protect
What card wirerope can consolidate is wrapped on roller, cord-pressing block is usually provided on the side plate of roller, common cord-pressing block is
Cuboid component is provided with rope groove on the one side of cord-pressing block, and when cord-pressing block is bolted on side plate, rope groove is by steel
One end of cord is installed on the side plate of roller.
However, since the rope diameter of the wirerope of different size is not identical, and the internal diameter of the rope groove on cord-pressing block immobilizes,
So the cord-pressing block can not be suitable for the wirerope of plurality of specifications, practicability is poor.
Summary of the invention
In order to solve the problems, such as that cord-pressing block is not available the wirerope of plurality of specifications, the embodiment of the invention provides a kind of pressures
Rope device.The technical solution is as follows:
The embodiment of the invention provides a kind of rope press device, the rope press device includes shell and installs on the housing
At least a pair hold down assembly, setting is there are two wirerope through-hole on the shell and described two wirerope through-holes are located at
On the opposite side wall of the shell；
Two lines for being symmetrically distributed in described two wirerope through-holes that hold down assembly in holding down assembly described in each pair of
Two sides, each described hold down assembly includes actuator, connector and supporting mechanism, for holding down assembly described in any one, institute
Actuator is stated to be mounted on the outer wall of the shell, the supporting mechanism include the first transmission shaft, the first bushing, first baffle and
For compressing the first compressing member of wirerope, the connector is located at the outside of the shell, one end of the connector and institute
The output shaft for stating actuator is fixedly connected, and the other end of the connector is connect with the threaded one end of first transmission shaft, institute
It states the outer wall in the middle part of the first transmission shaft and is equipped with limit skateboard, length direction cloth of the limit skateboard along first transmission shaft
It sets, the side wall for being equipped with the actuator of the shell is equipped with jack, and the inner wall of the jack is equipped with and the limit
The limit sliding chutes that slide plate matches, first transmission shaft can be axial by the cooperation of the limit skateboard and the limit sliding chutes
Sliding is inserted into the jack, and the outer wall of the first transmission shaft other end is equipped with first boss, the first baffle
It is fixedly mounted on the other end of first transmission shaft, first bushing is rotatably mounted around the another of first transmission shaft
One end, and first bushing, between the first baffle and the first boss, first compressing member is fixed on institute
It states on the first bushing.
In a kind of implementation of the invention, the connector includes sleeve and mounting plate, and first transmission shaft is inserted
Set on the sleeve one end and connect with the bush whorl, the other end of the one side of the mounting plate and the sleeve is solid
Fixed connection, the another side of the mounting plate is fixedly connected with the output shaft of the actuator.
In another implementation of the invention, the another side of the mounting plate is equipped with installation axle, the installation axle
It is linked together between the output shaft of the actuator by shaft coupling.
In another implementation of the invention, first compressing member includes jacking block, mounting post and connecting plate, described
For compressing the wirerope, the other end of the jacking block is fixedly connected with one end of the mounting post, described for one end of jacking block
The other end of mounting post is fixedly connected by the connecting plate with first bushing.
In another implementation of the invention, the jacking block include the first bearing piece and the second bearing piece, described first
Block and the second bearing piece arranged crosswise, and one end of first bearing piece is fixedly connected with one end of second bearing piece.
In another implementation of the invention, the opposite one side of first bearing piece and second bearing piece it
Between angle be 120 °.
In another implementation of the invention, one end of first bushing is equipped with mounting hole, the mounting hole with
First bushing is coaxially arranged, and the first baffle is arranged in the mounting hole, the outer edge of the first baffle and institute
State the inner wall arranged for interval of mounting hole.
In another implementation of the invention, the outer edge of the connecting plate and the mounting hole is bolted.
In another implementation of the invention, the shell is equipped at least a pair of of screw hole, every a pair screw hole
Be located on the opposite side wall of the shell and two screw holes in every a pair of of screw hole be symmetrically distributed in it is described two
The line two sides of wirerope through-hole are fitted with clamp system in each screw hole, and each clamp system includes
Two transmission shafts, the second bushing, second baffle and the second compressing member for compressing the wirerope, each second driving shaft
It is threadedly coupled with corresponding screw hole, one end of the second driving shaft is located in shell and outer wall is equipped with second
Boss, the second baffle are fixedly mounted on one end of the second driving shaft, and second bushing is rotatably mounted around institute
State one end of second driving shaft, and second bushing is between the second baffle and the second boss, described second
Compressing member is fixed on second bushing.
In another implementation of the invention, the side wall of the shell is equipped with a pair of with each actuator one
The bracket answered, the bracket protrude from the shell and extend towards the jack, and each actuator passes through the branch
Frame and the shell arranged for interval.
Technical solution provided in an embodiment of the present invention has the benefit that
When clamping wirerope by rope press device, first by steel wire penetrating wirerope through-hole, so that wirerope is located at
Between two the first compressing members, then actuator band follower link is rotated, due to the threaded one end of connector and the first transmission shaft
Connection, the middle part of the first transmission shaft pass through the cooperation of the limit sliding chutes on limit skateboard and jack, so when connector rotation,
It relatively rotates between first transmission shaft and connector, and the first transmission shaft generates the axial displacement towards wirerope direction,
Two the first compressing members of pressure are clamped wirerope.Since the distance between two first compressing members can carry out
It adjusts, so rope press device can adapt to the wirerope of plurality of specifications.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of rope press device provided in an embodiment of the present invention；
Fig. 2 is the enlarged structure schematic diagram of supporting mechanism provided in an embodiment of the present invention；
Fig. 3 is the enlarged structure schematic diagram of connector provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the first compressing member provided in an embodiment of the present invention；
Fig. 5 is the enlarged structure schematic diagram of clamp system provided in an embodiment of the present invention；
Each symbol indicates that meaning is as follows in figure:
1- pedestal, 2- shell, 21- install bolt, and 3- holds down assembly, 31- bracket, 32- actuator, 33- connector, 331-
Sleeve, 332- mounting plate, 333- installation axle, 34- supporting mechanism, the first transmission shaft of 341-, 3411- limit skateboard, 342- first
Bushing, 343- first baffle, the first compressing member of 344-, 345- first boss, 346- jacking block, the first bearing piece of 3461-, 3462-
Two bearing pieces, 347- mounting post, 348- connecting plate, 349- mounting hole, 35- shaft coupling, 4- clamp system, 41- second driving shaft,
The second bushing of 42-, 43- second baffle, the second compressing member of 44-, 45- second boss, 100- wirerope.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of rope press device, which, which is suitable for compressing, is wrapped in towing winch or strand
Wirerope 100 on the roller of vehicle, as shown in Figure 1, rope press device includes at least a pair of of the compression of shell and installation on the shell
Component 3 is separately provided for the wirerope through-hole of the wirerope 100 on inserting roller and two wirerope through-holes point on shell
Wei Yu not be on the opposite side wall of shell, each pair of two for holding down assembly 3 kinds hold down assembly, and to be symmetrically arranged in two wirerope logical
The two sides of the line in hole.
Fig. 2 is the enlarged structure schematic diagram of supporting mechanism, in conjunction with Fig. 2, holds down assembly 3 for each, each compression group
Part 3 includes actuator 32, connector 33 and supporting mechanism 34, holds down assembly 3 for any one, actuator 32 is mounted on shell
Outer wall on, supporting mechanism 34 includes the first transmission shaft 341, the first bushing 342, first baffle 343 and for compressing wirerope
100 the first compressing member 344, connector 33 are located at the outside of shell, and one end of connector 33 and the output shaft of actuator 32 are solid
Fixed connection, the other end of connector 33 are connect with the threaded one end of the first transmission shaft 341, the outer wall at 341 middle part of the first transmission shaft
It is equipped with limit skateboard 3411 (referring to Fig. 1), limit skateboard 3411 is arranged along the length direction of the first transmission shaft 341, shell 2
Another pair side wall is equipped with jack, and the inner wall of jack is equipped with the limit sliding chutes matched with limit skateboard 3411, the first transmission
Axis 341 is inserted into jack by the way that the cooperations of limit skateboard 3411 and limit sliding chutes is axially slidable, and the first transmission shaft 341 is another
The outer wall of one end is equipped with first boss 345, and first baffle 343 is fixedly mounted on the other end of the first transmission shaft 341, the first lining
The other ends that set 342 is rotatably mounted around the first transmission shaft 341, and to be located at first baffle 343 and first convex for the first bushing 342
Between platform 345, the first compressing member 344 is fixed on the first bushing 342.
In above-mentioned implementation, first boss 345 can be the first boss 345 of annular, and first boss 345 and the
One transmission shaft 341 is coaxially arranged, so that the restriction first that first boss 345 and first baffle 343 can be more stable serves as a contrast
The axial displacement of set 342.
When clamping wirerope 100 by rope press device, wirerope 100 is passed through into two the first compressing members 344 first, is made
It obtains wirerope 100 to be located between two the first compressing members 344, then actuator 32 is rotated with follower link 33, due to connector
33 connect with the threaded one end of the first transmission shaft 341, and the middle part of the first transmission shaft 341 passes through on limit skateboard 3411 and jack
The cooperation of limit sliding chutes, so relatively rotate between the first transmission shaft 341 and connector 33 when connector 33 rotates,
And first transmission shaft 341 generate towards 100 direction of wirerope axial displacement, since the first bushing 342 is rotatably mounted around
On first transmission shaft 341, and the axial displacement of the first bushing 342 is limited by first boss 345 and first baffle 343, to make
The first compressing member 344 that must be mounted on the first bushing 342 can be clamped wirerope 100.Due to two first compressions
The distance between part 344 can be adjusted, so rope press device can adapt to the wirerope 100 of plurality of specifications.
Preferably, actuator 32 can be motor, in order to the electrical control to rope press device.
Referring again to Fig. 1, in the present embodiment, shell may include pedestal 1 and shell 2, and the bottom of pedestal 1 is fixedly mounted
On the side plate of roller, shell 2 is fixedly mounted on the top of pedestal 1, so that shell constitutes cube structure, needs to illustrate
Be, the present invention to the concrete shape of shell with no restriction.
Specifically, shell 2 is bolted with pedestal 1.
In above-mentioned implementation, installation screw has been can be set in the position at corresponding four angles on pedestal 1, can on shell 2
To be correspondingly arranged there are four the installation through-hole coaxially arranged with installation screw, each it is fitted with and installation screw phase by interior
The installation bolt 21 matched, by the cooperation between installation bolt 21 and installation screw, so that shell 2 is fixedly mounted on pedestal 1.
In the present embodiment, the side wall of shell is equipped with dashes forward with the one-to-one bracket 31 of each actuator 32, bracket 31
Extend for shell and towards jack, each actuator 32 passes through bracket 31 and shell arranged for interval.
Fig. 3 is the enlarged structure schematic diagram of connector, and in conjunction with Fig. 3, in the present embodiment, connector 33 includes sleeve 331
With mounting plate 332, the first transmission shaft 341 is inserted in one end of sleeve 331 and is threadedly coupled with sleeve 331, the one of mounting plate 332
Side is fixedly connected with the other end of sleeve 331, and the another side of mounting plate 332 is fixedly connected with the output shaft of actuator 32.
In above-mentioned implementation, the screw thread on sleeve 331 and the first transmission shaft 341 can be rectangular thread, so as to
The enough preferably torque between carrying sleeve 331 and the first transmission shaft 341.
Specifically, the another side of mounting plate 332 is equipped with installation axle 333, the output shaft of installation axle 333 and actuator 32 it
Between linked together by shaft coupling 35.
In above-mentioned implementation, it is removably mounted between installation axle 333 and shaft coupling 35 together, so as to just
Maintenance dismounting between actuator 32 and connector 33.
Fig. 4 is the structural schematic diagram of the first compressing member, and in conjunction with Fig. 4, in the present embodiment, the first compressing member 344 includes top
Block 346, mounting post 347 and connecting plate 348, one end of jacking block 346 is for compressing wirerope 100, the other end and peace of jacking block 346
One end of dress column 347 is fixedly connected, and the other end of mounting post 347 is fixedly connected by connecting plate 348 with the first bushing 342.
Specifically, jacking block 346 includes the first bearing piece 3461 and the second bearing piece 3462, the first bearing piece 3461 and the second bearing piece
3462 arranged crosswises, and one end of the first bearing piece 3461 is fixedly connected with one end of the second bearing piece 3462.
In above-mentioned implementation, jacking block 346 can be Y-shaped structure part, clamp wirerope 100 so as to firm.
It should be noted that if the specification variation of wirerope 100 is little, one end for being used to compress wirerope 100 of jacking block 346
It can also be arc, clamp wirerope 100 so as to more firm.
More specifically, the angle α between the first bearing piece 3461 and the opposite one side of the second bearing piece 3462 can be
120°。
It should be noted that the angle between the first bearing piece 3461 and the second bearing piece 3462 can be selected according to demand
It selects, the present invention is without limitation.
Referring again to Fig. 2, in the present embodiment, one end of the first bushing 342 is equipped with mounting hole 349, mounting hole 349 and the
One bushing 342 is coaxially arranged, and first baffle 343 is arranged in mounting hole 349, the outer edge and mounting hole 349 of first baffle 343
Inner wall arranged for interval.
Specifically, connecting plate 348 and the outer edge of mounting hole 349 are bolted, in order to which the inserting of rope press device is repaired.
Referring again to Fig. 1, in the present embodiment, shell is equipped at least a pair of of screw hole, and every a pair of screw hole is located at outer
Two screw holes on the opposite side wall of shell and in every a pair of of screw hole are symmetrically distributed in the line two sides of two wirerope through-holes, often
Clamp system 4 is fitted in a screw hole, referring to Fig. 5, each clamp system 4 include second driving shaft 41, the second bushing 42,
Second baffle 43 and the second compressing member 44 for compressing wirerope 100, each second driving shaft 41 with corresponding spiral shell
Hole is threadedly coupled, and one end of second driving shaft 41 is located in shell and outer wall is equipped with second boss 45, and second baffle 43 is fixed
It is mounted on one end of second driving shaft 41, the second bushing 42 is rotatably mounted around one end of second driving shaft 41, and the second lining
Set 42 is between second baffle 43 and second boss 45, and the second compressing member 44 is fixed on the second bushing 42, so as to more
Add firm clamped wire rope 100.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of rope press device, which is characterized in that the rope press device includes at least one of shell and installation on the housing
To holding down assembly, setting is there are two wirerope through-hole on the shell and described two wirerope through-holes are located at the shell
Opposite side wall on；
It is each pair of it is described hold down assembly in two hold down assembly and be symmetrically distributed in the two sides of the line of described two wirerope through-holes,
Each described hold down assembly includes actuator, connector and supporting mechanism, for holding down assembly described in any one, the driving
Part is mounted on the outer wall of the shell, and the supporting mechanism includes the first transmission shaft, the first bushing, first baffle and for pressing
First compressing member of tight wirerope, the connector are located at the outside of the shell, one end of the connector and the driving
The output shaft of part is fixedly connected, and the other end of the connector is connect with the threaded one end of first transmission shaft, and described first
Outer wall in the middle part of transmission shaft is equipped with limit skateboard, and the limit skateboard is arranged along the length direction of first transmission shaft, institute
The side wall for being equipped with the actuator for stating shell is equipped with jack, and the inner wall of the jack is equipped with and the limit skateboard phase
The limit sliding chutes of cooperation, first transmission shaft are axially slidable by the cooperation of the limit skateboard and the limit sliding chutes
It is inserted into the jack, the outer wall of the first transmission shaft other end is equipped with first boss, the fixed peace of the first baffle
Mounted in the other end of first transmission shaft, first bushing is rotatably mounted around the other end of first transmission shaft,
And first bushing, between the first baffle and the first boss, first compressing member is fixed on described first
On bushing.
2. rope press device according to claim 1, which is characterized in that the connector includes sleeve and mounting plate, described
First transmission shaft is inserted in one end of the sleeve and connect with the bush whorl, the one side of the mounting plate and the set
The other end of cylinder is fixedly connected, and the another side of the mounting plate is fixedly connected with the output shaft of the actuator.
3. rope press device according to claim 2, which is characterized in that the another side of the mounting plate is equipped with installation axle,
It is linked together between the installation axle and the output shaft of the actuator by shaft coupling.
4. rope press device according to claim 1-3, which is characterized in that first compressing member include jacking block,
Mounting post and connecting plate, one end of the jacking block is for compressing the wirerope, the other end of the jacking block and the mounting post
One end be fixedly connected, the other end of the mounting post is fixedly connected by the connecting plate with first bushing.
5. rope press device according to claim 4, which is characterized in that the jacking block includes the first bearing piece and the second bearing piece,
First bearing piece and the second bearing piece arranged crosswise, and one end of first bearing piece and one end of second bearing piece are solid
Fixed connection.
6. rope press device according to claim 5, which is characterized in that first bearing piece and second bearing piece it is opposite
One side between angle be 120 °.
7. rope press device according to claim 4, which is characterized in that one end of first bushing is equipped with mounting hole, institute
It states mounting hole and first bushing is coaxially arranged, the first baffle is arranged in the mounting hole, the first baffle
The inner wall arranged for interval of outer edge and the mounting hole.
8. rope press device according to claim 7, which is characterized in that the outer edge spiral shell of the connecting plate and the mounting hole
It tethers and connects.
9. rope press device according to claim 1-3, which is characterized in that the shell is equipped at least a pair of of spiral shell
Hole, every a pair screw hole are located at two screw holes pair on the opposite side wall of the shell and in every a pair of of screw hole
Claim the line two sides for being distributed in described two wirerope through-holes, to be fitted with clamp system in each screw hole, it is each described
Clamp system includes second driving shaft, the second bushing, second baffle and the second compressing member for compressing the wirerope, respectively
A second driving shaft is threadedly coupled with corresponding screw hole, and one end of the second driving shaft is located in shell
And outer wall is equipped with second boss, the second baffle is fixedly mounted on one end of the second driving shaft, second bushing
It is rotatably mounted around one end of the second driving shaft, and second bushing is located at the second baffle and described second convex
Between platform, second compressing member is fixed on second bushing.
10. rope press device according to claim 1-3, which is characterized in that the side wall of the shell be equipped with
Each one-to-one bracket of the actuator, the bracket protrude from the shell and extend towards the jack, Ge Gesuo
Actuator is stated by the bracket and the shell arranged for interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221597.6A CN107161896B (en) | 2017-04-06 | 2017-04-06 | A kind of rope press device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221597.6A CN107161896B (en) | 2017-04-06 | 2017-04-06 | A kind of rope press device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107161896A CN107161896A (en) | 2017-09-15 |
| CN107161896B true CN107161896B (en) | 2019-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710221597.6A Active CN107161896B (en) | 2017-04-06 | 2017-04-06 | A kind of rope press device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107161896B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108030637B (en) * | 2017-12-19 | 2023-12-19 | 合肥哈工力训智能科技有限公司 | Flexible rope guiding stabilizer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201309811Y (en) * | 2008-12-09 | 2009-09-16 | 王晓春 | Rope press device |
| JP2011121672A (en) * | 2009-12-09 | 2011-06-23 | Mitsubishi Electric Building Techno Service Co Ltd | Tool for attaching main rope of winding drum type hoist |
| CN202245882U (en) * | 2011-09-30 | 2012-05-30 | 辽宁抚挖锦重机械有限公司 | Rope pressing device of winding device |
| WO2013037149A1 (en) * | 2011-09-13 | 2013-03-21 | He Shaodun | Rope-pressing device for rope descender |
| CN204689496U (en) * | 2015-05-10 | 2015-10-07 | 杨柳清 | A kind of rope press device |
-
2017
- 2017-04-06 CN CN201710221597.6A patent/CN107161896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201309811Y (en) * | 2008-12-09 | 2009-09-16 | 王晓春 | Rope press device |
| JP2011121672A (en) * | 2009-12-09 | 2011-06-23 | Mitsubishi Electric Building Techno Service Co Ltd | Tool for attaching main rope of winding drum type hoist |
| WO2013037149A1 (en) * | 2011-09-13 | 2013-03-21 | He Shaodun | Rope-pressing device for rope descender |
| CN202245882U (en) * | 2011-09-30 | 2012-05-30 | 辽宁抚挖锦重机械有限公司 | Rope pressing device of winding device |
| CN204689496U (en) * | 2015-05-10 | 2015-10-07 | 杨柳清 | A kind of rope press device |
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| Publication number | Publication date |
|---|---|
| CN107161896A (en) | 2017-09-15 |
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