CN105460828B - A kind of brake for towing winch - Google Patents
A kind of brake for towing winch Download PDFInfo
- Publication number
- CN105460828B CN105460828B CN201510967804.3A CN201510967804A CN105460828B CN 105460828 B CN105460828 B CN 105460828B CN 201510967804 A CN201510967804 A CN 201510967804A CN 105460828 B CN105460828 B CN 105460828B
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- Prior art keywords
- brake
- ratchet
- driven
- brake band
- driving
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/18—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for generating braking forces which are proportional to the loads suspended; Load-actuated brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of brake for towing winch, belong to marine machinery technical field.The brake includes：Drive component, transmission component, brake band and support member, brake band is connected by transmission component with drive component, support member is connected with brake band and towing winch, drive component includes driving link, driven member, driving ratchet, driven ratchet, fixing nut, spring and adjusting nut, transmission component includes connecting plate and connecting rod, driving link is set with limit assembly, the upper end of connecting plate is arranged on limit assembly, the one end of the lower end of connecting plate respectively with brake band and connecting rod is hinged, the other end of connecting rod and the other end of brake band are hinged, driving ratchet is fixedly mounted on the right-hand member of driving link, the right-hand member of driving ratchet engages with driven ratchet, driven ratchet is threadedly coupled with driven member, adjusting nut is threadedly coupled with driven member, spring is between driven ratchet and adjusting nut, driven member is arranged on brake band.Brake provided by the invention can adjust maximum braking force.
Description
Technical field
The invention belongs to marine machinery technical field, more particularly to a kind of brake for towing winch.
Background technology
Towing winch is a kind of common marine machinery for folding and unfolding hawser, and it mainly includes Power Component, roller and braking
Device, on roller, Power Component driving drum rotates cable takeup, worked in towing winch so as to realize the folding and unfolding to hawser
Cheng Zhong, brake, which carries to stop, stops the effect of roller.Now common brake mainly includes brake band and for tightening up braking
The drive component of band, brake band are coaxially set in one end of roller, and when needing to stop towing winch, drive component tightens up braking
Band, stop roller to play a part of stopping, when needing to restart towing winch, drive component loosens brake band, is unclamped to play
The effect of roller.However, existing brake can not adjust maximum braking force, when hawser is connected with weight, if brake
Brake force it is excessive, hawser is tightened suddenly, this hawser that very will easily break, produce potential safety hazard.
The content of the invention
In order to solve the problems, such as that existing brake can not adjust maximum braking force, the embodiments of the invention provide one kind to use
In the brake of towing winch.The technical scheme is as follows：
The embodiments of the invention provide a kind of brake for towing winch, the brake includes：Drive component, transmission
Component, brake band and support member, the brake band are connected by the transmission component with the drive component, the support member
Both ends are connected with the brake band and towing winch respectively, and the drive component includes driving link, driven member, driving ratchet, driven
Ratchet, fixing nut, spring and adjusting nut, the transmission component include connecting plate and connecting rod, the middle part suit of the driving link
There is rotationally limit assembly, the upper end of the connecting plate is movably arranged on the limit assembly, and the one of the lower end of the connecting plate
Side and one end of the brake band are hinged, and one end of the opposite side of the lower end of the connecting plate and the connecting rod is hinged, the connecting rod
The other end of the other end and the brake band be hinged, the driving ratchet is fixedly mounted on the right-hand member of the driving link, described
The right-hand member of driving ratchet engages with the driven ratchet, and the left end of the driven member sequentially passes through the driven ratchet and the master
Dynamic ratchet is simultaneously inserted into the right-hand member of the driving link, and the driven ratchet is threadedly coupled with the driven member, the fixed spiral shell
Mother set is located at the left end of the driven member and in the right-hand member of the driving link, the fixing nut and the driving ratchet
Left end offsets, and the adjusting nut and the spring are set in the middle part of the driven member, the adjusting nut with it is described from
Moving part is threadedly coupled, and the spring is between the driven ratchet and the adjusting nut, the right-hand member installation of the driven member
On the brake band；
The brake band includes the first sub- brake band and the second sub- brake band, one end of the first sub- brake band and described
One end of second sub- brake band is hinged, and the other end of the first sub- brake band is hinged with the connecting plate, second son
The other end of the other end of brake band and the connecting rod is hinged；
The outer wall of the first sub- brake band is provided with earrings component, the earrings component include latch, sleeve, bolt and
Earring seats, the earring seats are fixedly mounted on the outer wall of the described first sub- brake band, and the sleeve is inserted into the earring seats
Interior, the right-hand member of the driven member is plugged in the left end of the sleeve, the bolt through the sleeve right-hand member with it is described from
The right-hand member threaded connection of moving part, the outer wall of the latch through the sleeve are inserted into the driven member.
In a kind of possible implementation of the present invention, the limit assembly includes spacing collar, spacer pin and fixed cover
Cylinder, the fixes sleeve fix the middle part for being set in the driving link, are coaxially provided with the periphery wall of the fixes sleeve and institute
The circular track that spacer pin is engaged is stated, rotationally stop collar is mounted in the fixation to the spacing collar by the spacer pin
On sleeve, the upper end of the connecting plate is hinged on the spacing collar.
In another possible implementation of the invention, the brake band also includes two brake blocks, described two brakes
Car piece is separately mounted on the inwall of the described first sub- brake band and the second sub- brake band.
In another possible implementation of the invention, flanged plate is coaxially provided with the periphery wall of the driving ratchet,
The driving ratchet is arranged on the right-hand member of the driving link by the flanged plate.
In another possible implementation of the invention, the right-hand member of the flanged plate and the driving link is connected by screw
Connect.
In another possible implementation of the invention, the quantity of the fixing nut is two, described two fixations
Nut is threadedly coupled with the driven member, and two fixing nuts are adjacently positioned.
In another possible implementation of the invention, the periphery wall of the driven member is provided with trapezoidal thread, described
Fixing nut, the driven ratchet and the adjusting nut match with the trapezoidal thread.
In another possible implementation of the invention, handle is provided with the left end of the driving link.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By in towing winch configuration driven component, transmission component, brake band and support member, brake band pass through transmission component
It is connected with drive component, the both ends of support member are fixedly connected with brake band and towing winch respectively, and master is configured in drive component
Moving part, driven member, driving ratchet, driven ratchet, in brake operation, rotated by rotating driving link driving ratchet,
So as to drive driven pawl wheel, because driven ratchet is threadedly coupled with driven member, and one end of driven member is fixed on brake band
On, so driven ratchet produces axial displacement with driven member, and then cause driving member to drive brake band to hold tightly or send out, braking
During band is held tightly, driven ratchet gradually extrudes the spring between driven ratchet and adjusting nut, when the elasticity of spring
When potential energy is more than the engagement force between driving ratchet and driven ratchet, skidded between driving ratchet and driven ratchet, so that
Driving ratchet can not continue to drive driven pawl wheel, realize the control to the maximum braking force of brake.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of brake provided in an embodiment of the present invention；
Fig. 2 is the close-up schematic view of drive component provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram in brake A directions provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram in brake B directions provided in an embodiment of the present invention；
Each symbol represents that implication is as follows in figure：
1- drive components, 11- driving links, 111- handles, 112- spacing collars, 113- spacer pins, 114- fixes sleeves,
115- circular tracks, 12- driven members, 13- driving ratchets, 131- flanged plates, 132- screws, the driven ratchets of 14-, 15- fix spiral shell
Mother, 16- springs, 17- adjusting nuts, 2- transmission components, 21- connecting plates, 22- connecting rods, 3- brake bands, the first sub- brake bands of 31-,
The second sub- brake bands of 32-, 33- brake blocks, 4- support members, 5- earrings components, 51- latches, 52- sleeves, 53- bolts, 54- earrings
Seat, 6- limit assemblies.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
A kind of brake for towing winch provided in an embodiment of the present invention, as shown in figure 1, the brake includes：Driving
Component 1, transmission component 2, brake band 3 and support member 4, brake band 3 are connected by transmission component 2 with drive component 1, support member 4
Both ends be connected respectively with brake band 3 and towing winch (not shown), drive component 1 include driving link 11, driven member 12, active spine
Wheel 13, driven ratchet 14, fixing nut 15, spring 16 and adjusting nut 17 (referring to Fig. 2), transmission component 2 include the He of connecting plate 21
Connecting rod 22, the middle part of driving link 11 are set with rotatable limit assembly 6, and the upper end of connecting plate 21 is movably arranged on limit assembly 6
On, the side and one end of brake band 3 of the lower end of connecting plate 21 are hinged, and the opposite side of the lower end of connecting plate 21 is cut with scissors with one end of connecting rod 22
Connect, the other end of the other end and brake band 3 of connecting rod 22 is hinged, and driving ratchet 13 is fixedly mounted on the right-hand member of driving link 11, main
The right-hand member of dynamic ratchet 13 engages with driven ratchet 14, and the left end of driven member 12 sequentially passes through driven ratchet 14 and driving ratchet 13 simultaneously
It is inserted into the right-hand member of driving link 11, driven ratchet 14 is threadedly coupled with driven member 12, and fixing nut 15 is set in driven member 12
Left end and positioned at driving link 11 right-hand member in, fixing nut 15 and the left end of driving ratchet 13 offset, adjusting nut 17 and bullet
Spring 16 is set in the middle part of driven member 12, and adjusting nut 17 is threadedly coupled with driven member 12, and spring 16 is located at driven ratchet 14
Between adjusting nut 17, the right-hand member of driven member 12 is arranged on brake band 3.
The present embodiment passes through configuration driven component 1, transmission component 2, brake band 3 and support member 4, brake band in towing winch
3 are connected by transmission component 2 with drive component 1, and the both ends of support member 4 are fixedly connected with brake band 3 and towing winch respectively, and
Configuration driving link 11, driven member 12, driving ratchet 13, driven ratchet 14, in brake operation, pass through rotation in drive component 1
Turn driving link 11 so that driving ratchet 13 rotates, so as to drive driven ratchet 14 to rotate, due to driven ratchet 14 and driven member 12
Threaded connection, and one end of driven member 12 is fixed on brake band 3, so driven ratchet 14 produces axial position with driven member 12
Move, so cause transmission component 2 drive brake band 3 hold tightly or send out, brake band 3 hold tightly during, driven ratchet 14 by
Gradually spring 16 of the extruding between driven ratchet 14 and adjusting nut 17, when the elastic potential energy of spring 16 is more than driving ratchet 13
During engagement force between driven ratchet 14, skidded between driving ratchet 13 and driven ratchet 14, so that driving ratchet 13
It can not continue to drive driven ratchet 14 to rotate, realize the control to the maximum braking force of brake.
Specifically, connecting plate 21 can be delta link structure, and first jiao of connecting plate 21 and one end of brake band 3 are hinged,
Second jiao of middle part for being installed in rotation on driving link 11 of connecting plate 21, the third angle of connecting plate 21 and one end of connecting rod 22 are hinged,
When driving link 11 moves right, second jiao of connecting plate 21 moves right therewith, so as to drive connecting plate 21 using first jiao as the center of circle
Rotate clockwise, and then moved up by the third angle drivening rod 22 of connecting plate 21, finally brake band 3 is tightened up, complete
Brake operating；When driving link 11 is moved to the left, second jiao of connecting plate 21 is moved to the left therewith, so as to drive connecting plate 21 with
One jiao rotates counterclockwise for the center of circle, and then is moved down by the third angle drivening rod 22 of connecting plate 21, finally causes brake band 3
Unclamp, complete pine brake operation.
In the present embodiment, handle 111 is provided with the left end of driving link 11, handle is used to rotate driving link 12.Optionally,
Motor is also equipped with the left end of driving link 11, so as to play a part of saving manpower.
Fig. 3 is the partial structural diagram in brake A directions, and in the present embodiment, limit assembly 6 includes spacing collar
112nd, spacer pin 113 and fixes sleeve 114, fixes sleeve 114 fix the middle part for being set in driving link 11, fixes sleeve 114
The circular track 115 being engaged with spacer pin 113 is coaxially provided with periphery wall, spacing collar 112 is rotatable by spacer pin 113
In fixes sleeve 114, the upper end of connecting plate 21 is hinged on spacing collar 112 ground stop collar.So as to both make it that connecting plate 21 can
So that relative to the radial rotating of driving link 11, again limiting connecting plate 21 can not move axially relative to driving link 11.
In the present embodiment, brake band 3 includes the first sub- 31 and second sub- brake band 32 of brake band, the first sub- brake band 31
One end and one end of the second sub- brake band 32 be hinged, the other end and connecting plate 21 of the first sub- brake band 31 are be hinged, second
The other end of the other end and connecting rod 22 of sub- brake band 32 is hinged.When connecting rod 22 moves upwards, the second sub- brake band 32 is driven
Moved towards the method for the first sub- brake band 31, so as to reduce the sky between the first sub- 31 and second sub- brake band 32 of brake band
Between；When connecting rod 22 moves downward, the second sub- brake band 32 is driven to be moved backwards to the method for the first sub- brake band 31, so as to expand
Space between first sub- 31 and second sub- brake band 32 of brake band.
Specifically, brake band 3 also includes two brake blocks 33, and two brake blocks 33 are separately mounted to the first sub- brake band 31
On the inwall of the second sub- brake band 32, to play a part of increasing the coefficient of friction between brake band 3 and roller.
Fig. 4 is the partial structural diagram in brake B directions, in the present embodiment, on the outer wall of the first sub- brake band 31
Provided with earrings component 5, earrings component 5 includes latch 51, sleeve 52, bolt 53 and earring seats 54, and earring seats 54 are fixedly mounted on
On the outer wall of first sub- brake band 31, sleeve 52 is inserted into earring seats 54, and the right-hand member of driven member 12 is plugged in a left side for sleeve 52
In end, the right-hand member of bolt 53 through sleeve 52 is threadedly coupled with the right-hand member of driven member 12, and the outer wall of latch 51 through sleeve 52 is inserted
In driven member 12, so as to limit the axial displacement of driven member 12 by bolt 53, driven member is limited by latch 51
12 radial rotary.
Referring again to Fig. 2, in the present embodiment, flanged plate 131, active spine are coaxially provided with the periphery wall of driving ratchet 13
Wheel 13 is arranged on the right-hand member of driving link 11 by flanged plate 131.
Alternatively, flanged plate 131 is connected with the right-hand member of driving link 11 by screw 132, consequently facilitating dismounting driving ratchet
13。
In the present embodiment, the quantity of fixing nut 15 is two, and two fixing nuts 15 connect with the screw thread of driven member 12
Connect, two fixing nuts 15 are adjacently positioned, so that two adjacent fixing nuts 15 are mutually locked.
In the present embodiment, the periphery wall of driven member 12 is provided with trapezoidal thread, fixing nut 15, driven ratchet 14 and tune
Section nut 17 matches with trapezoidal thread.
It following is a brief introduction of, the Method And Principle of regulating brake maximum braking force：
As it was noted above, when the elastic potential energy of spring 16 is more than the engagement force between driving ratchet 13 and driven ratchet 14
When, skidded between driving ratchet 13 and driven ratchet 14, it is possible to limited actively by adjusting the elastic potential energy of spring 16
Engagement force between ratchet 13 and driven ratchet 14.During specific implementation, before brake operation, rotating adjusting nut 17 makes it
It is moved to the left, with compression spring 16, so as to increase the initial elasticity potential energy of spring 16, and then 14, driven ratchet need to compress on a small quantity
Spring will cause the elastic potential energy of spring 16 to be equal to the engagement force between driving ratchet 13 and driven ratchet 14, reach limitation
The purpose of driven ratchet stroke；Conversely, rotating adjusting nut 17 makes it move right, with pull-off spring 16, so as to reduce spring
16 initial elasticity potential energy, and then need to compress a large amount of springs 16 just can be so that the elastic potential energy of spring 16 be equal to driven ratchet 14
Engagement force between driving ratchet 13 and driven ratchet 14, the purpose of the driven ratchet stroke of increase is reached.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of brake for towing winch, the brake includes：Drive component, transmission component, brake band and support member,
The brake band is connected by the transmission component with the drive component, the both ends of the support member respectively with the brake band
It is connected with towing winch, it is characterised in that the drive component includes driving link, driven member, driving ratchet, driven ratchet, fixation
Nut, spring and adjusting nut, the transmission component include connecting plate and connecting rod, are set with rotationally in the middle part of the driving link
Limit assembly, the upper end of the connecting plate are movably arranged on the limit assembly, the side of the lower end of the connecting plate and the system
One end of dynamic band is hinged, and one end of the opposite side of the lower end of the connecting plate and the connecting rod is hinged, the other end of the connecting rod and
The other end of the brake band is hinged, and the driving ratchet is fixedly mounted on the right-hand member of the driving link, the driving ratchet
Right-hand member engages with the driven ratchet, and the left end of the driven member sequentially passes through the driven ratchet and the driving ratchet and inserted
In the right-hand member of the driving link, the driven ratchet is threadedly coupled with the driven member, and the fixing nut is set in institute
State the left end of driven member and in the right-hand member of the driving link, the fixing nut and the left end of the driving ratchet offset,
The adjusting nut and the spring are set in the middle part of the driven member, and the adjusting nut connects with the driven member screw thread
Connect, for the spring between the driven ratchet and the adjusting nut, the right-hand member of the driven member is arranged on the braking
Take；
The brake band includes the first sub- brake band and the second sub- brake band, one end and described second of the first sub- brake band
One end of sub- brake band is hinged, and the other end of the first sub- brake band is hinged with the connecting plate, the second son braking
The other end of the other end of band and the connecting rod is hinged；
The outer wall of the first sub- brake band is provided with earrings component, and the earrings component includes latch, sleeve, bolt and earrings
Seat, the earring seats are fixedly mounted on the outer wall of the described first sub- brake band, and the sleeve is inserted into the earring seats, institute
The right-hand member for stating driven member is plugged in the left end of the sleeve, right-hand member and the driven member of the bolt through the sleeve
Right-hand member is threadedly coupled, and the outer wall of the latch through the sleeve is inserted into the driven member.
2. brake according to claim 1, it is characterised in that the limit assembly include spacing collar, spacer pin and
Fixes sleeve, the fixes sleeve are fixed the middle part for being set in the driving link, coaxially set on the periphery wall of the fixes sleeve
There is the circular track being engaged with the spacer pin, rotationally stop collar is mounted in institute to the spacing collar by the spacer pin
State in fixes sleeve, the upper end of the connecting plate is hinged on the spacing collar.
3. brake according to claim 1, it is characterised in that the brake band also includes two brake blocks, and described two
Individual brake block is separately mounted on the inwall of the described first sub- brake band and the second sub- brake band.
4. brake according to claim 1, it is characterised in that be coaxially provided with flange on the periphery wall of the driving ratchet
Plate, the driving ratchet are arranged on the right-hand member of the driving link by the flanged plate.
5. brake according to claim 4, it is characterised in that the right-hand member of the flanged plate and the driving link passes through spiral shell
Nail connection.
6. brake according to claim 1, it is characterised in that the quantity of the fixing nut is two, described two
Fixing nut is threadedly coupled with the driven member, and two fixing nuts are adjacently positioned.
7. brake according to claim 1, it is characterised in that the periphery wall of the driven member is provided with trapezoidal thread,
The fixing nut, the driven ratchet and the adjusting nut match with the trapezoidal thread.
8. brake according to claim 1, it is characterised in that be provided with handle in the left end of the driving link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967804.3A CN105460828B (en) | 2015-12-22 | 2015-12-22 | A kind of brake for towing winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967804.3A CN105460828B (en) | 2015-12-22 | 2015-12-22 | A kind of brake for towing winch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105460828A CN105460828A (en) | 2016-04-06 |
| CN105460828B true CN105460828B (en) | 2017-11-14 |
Family
ID=55599062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967804.3A Active CN105460828B (en) | 2015-12-22 | 2015-12-22 | A kind of brake for towing winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105460828B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744433A (en) * | 2017-03-14 | 2017-05-31 | 苏州蓝王机床工具科技有限公司 | Mine hoisting anti-falling buffer device |
| CN109269437B (en) * | 2018-07-18 | 2020-08-07 | 武汉船用机械有限责任公司 | Detection method for braking belt of belt brake |
| CN115303996B (en) * | 2022-08-03 | 2024-07-09 | 武汉船用机械有限责任公司 | Bolt interlocking mechanism and material translation lifting device with same |
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| CN2832769Y (en) * | 2005-10-18 | 2006-11-01 | 武汉船用机械有限责任公司 | Hand-operated elastic brake for mooring winch |
| CN201343128Y (en) * | 2008-09-28 | 2009-11-11 | 武汉船用机械有限责任公司 | Large-torque self-control anchor cable stopper |
| CN201721598U (en) * | 2010-06-24 | 2011-01-26 | 浙江万通重工有限公司 | Marine brake apparatus |
| CN202175530U (en) * | 2011-05-31 | 2012-03-28 | 南通政田船舶机械有限公司 | Brake screw device |
| CN102975819A (en) * | 2012-11-23 | 2013-03-20 | 武汉船用机械有限责任公司 | Towing winch and brake for towing winch |
| CN202896828U (en) * | 2012-11-19 | 2013-04-24 | 上海海洋大学 | Anchor machine brake mechanism |
| CN104176199A (en) * | 2014-07-17 | 2014-12-03 | 武汉船用机械有限责任公司 | Horizontal cable lifter brake structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09249391A (en) * | 1996-03-15 | 1997-09-22 | Masabumi Nakade | Anchor lifting machine |
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2015
- 2015-12-22 CN CN201510967804.3A patent/CN105460828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2832769Y (en) * | 2005-10-18 | 2006-11-01 | 武汉船用机械有限责任公司 | Hand-operated elastic brake for mooring winch |
| CN201343128Y (en) * | 2008-09-28 | 2009-11-11 | 武汉船用机械有限责任公司 | Large-torque self-control anchor cable stopper |
| CN201721598U (en) * | 2010-06-24 | 2011-01-26 | 浙江万通重工有限公司 | Marine brake apparatus |
| CN202175530U (en) * | 2011-05-31 | 2012-03-28 | 南通政田船舶机械有限公司 | Brake screw device |
| CN202896828U (en) * | 2012-11-19 | 2013-04-24 | 上海海洋大学 | Anchor machine brake mechanism |
| CN102975819A (en) * | 2012-11-23 | 2013-03-20 | 武汉船用机械有限责任公司 | Towing winch and brake for towing winch |
| CN104176199A (en) * | 2014-07-17 | 2014-12-03 | 武汉船用机械有限责任公司 | Horizontal cable lifter brake structure |
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| Publication number | Publication date |
|---|---|
| CN105460828A (en) | 2016-04-06 |
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