CN110342415B - Positioning tool and positioning method for rope climbing block of winding drum - Google Patents
Positioning tool and positioning method for rope climbing block of winding drum Download PDFInfo
- Publication number
- CN110342415B CN110342415B CN201910466975.6A CN201910466975A CN110342415B CN 110342415 B CN110342415 B CN 110342415B CN 201910466975 A CN201910466975 A CN 201910466975A CN 110342415 B CN110342415 B CN 110342415B
- Authority
- CN
- China
- Prior art keywords
- rope
- winding drum
- positioning
- climbing block
- positioning tool
- 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.)
- Active
Links
Images
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
-
- 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
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a positioning tool and a positioning method for a winding drum rope climbing block, and belongs to the technical field of crane accessories. The positioning tool is of a stepped structure consisting of a first step and a second step, the first step comprises an outer web positioning surface and a measuring surface, the second step comprises a connecting surface and a reference surface, the outer web positioning surface is used for being attached to the inner wall of an outer web of the winding drum, the reference surface comprises a plane and an arc positioning surface protruding out of the middle of the plane, the arch height of the arc positioning surface is equal to the depth of a rope groove of the winding drum, and the arc positioning surface is used for being attached to the rope groove surface of the winding drum; the distance from the outer web plate positioning surface to the arc center of the arc positioning surface is D1, and D1 is B +0.5D + nP; the distance from the outer web positioning surface to the connecting surface is D2; the distance from the measuring face to the arc apex of the semi-arc face was H1. The positioning tool and the positioning method provided by the embodiment of the invention can realize efficient and rapid positioning of the rope climbing block on the winding drum, and can also ensure the positioning precision of the rope climbing block.
Description
Technical Field
The invention relates to the technical field of crane accessories, in particular to a positioning tool and a positioning method for a winding drum rope climbing block.
Background
The winding drum is an important part of crane equipment and is used for winding, unwinding and storing steel wire ropes. Due to the limitation of the diameter of the winding drum and the effective length of the rope grooves, when the length of the steel wire rope is too long, two or more layers of winding can be selected for storage on the winding drum, so that the size and the weight of the winding drum can be reduced. For the reel of two-layer wire rope of winding, can install rope climbing piece on the reel usually, make wire rope transition from the first layer to the second floor through rope climbing piece direction to guarantee the orderly winding and the emission of wire rope on the reel. The more accurate the location of climbing the rope piece on the reel, then the wire rope winding is more regular, in case climb the inaccurate of rope piece location, then appear the phenomenon of wire rope disorder rope easily, seriously influence the normal work of hoist.
The existing rope climbing block positioning method generally realizes positioning by manually searching the position of a rope climbing block through a special measuring rod at the rope climbing position of a winding drum, and wastes time and labor. And because operating personnel's proficiency is different, adopt the gauge rod to look for the position of the climbing rope piece of confirming also to have the deviation to can make the positioning accuracy of climbing rope piece difficult to guarantee.
Disclosure of Invention
The embodiment of the invention provides a positioning tool and a positioning method for a rope climbing block of a winding drum, which can realize efficient and rapid positioning of the rope climbing block on the winding drum and can ensure the positioning precision of the rope climbing block. The technical scheme is as follows:
the positioning tool is of a ladder structure consisting of a first ladder and a second ladder, the first ladder comprises an outer web positioning surface and a measuring surface, the second ladder comprises a connecting surface and a reference surface, the outer web positioning surface is attached to the inner wall of the outer web of the winding drum, the reference surface comprises a plane and an arc positioning surface protruding out of the middle of the plane, the arch height of the arc positioning surface is equal to the depth of the rope groove of the winding drum, and the arc positioning surface is attached to the rope groove surface of the winding drum;
the distance from the outer web plate positioning surface to the arc center of the arc positioning surface is D1, D1 is B +0.5D + nP, wherein B is the width of the first section of the rope climbing block to be positioned along the axis direction of the winding drum, D is the diameter of a steel wire rope matched with a rope groove of the winding drum, P is the pitch of the rope groove of the winding drum, and n is a positive integer greater than or equal to 1;
the distance from the outer web plate positioning surface to the connecting surface is D2, M is not less than D2 and is more than D1, and M is the maximum width of the rope climbing block along the axial direction of the winding drum;
the distance from the measuring surface to the arc-shaped peak of the arc-shaped positioning surface is H1, H1 is the height of the first section of the rope climbing block along the radial direction of the winding drum, and H1 is more than 0.
Further, D1 ═ B +0.5D + P.
Further, D2 ═ M +2 mm.
Further, along the direction from the outer web plate positioning surface to the measuring surface, the total length of the positioning tool is D, B + D + nP is not more than D, and D1 is less than D.
Further, D ═ B +1.5D + P.
Further, H1 is not less than N-10mm, wherein N is the maximum height of the rope climbing block along the radial direction of the winding drum.
Further, H2 is more than or equal to 8mm, and H2 is the length of the outer web positioning surface along the radial direction of the winding drum.
Furthermore, a mounting through hole is formed in the positioning tool.
In a second aspect, the invention provides a positioning method for a rope climbing block of a winding drum, which adopts the positioning tool in the first aspect, and the positioning method comprises the following steps:
the arc positioning surface of the positioning tool is attached to the rope groove surface of the winding drum, and the position of the arc positioning surface in the rope groove of the winding drum is adjusted along the winding direction of the steel wire rope, so that the outer web positioning surface is closely attached to the inner wall of the outer web of the winding drum;
sleeving the rope climbing block in a rope groove-free area at the starting end of a rope groove of the winding drum, so that one end face of the rope climbing block is tightly attached to the inner side of the outer web of the winding drum;
moving and adjusting the rope climbing block along the winding direction of the steel wire rope until the rope climbing block moves to a position between the positioning tool and the winding drum, and when the upper end surface of the rope climbing block is in contact with the measuring surface of the positioning tool, fixing the rope climbing block;
fixedly connecting the rope climbing block to the winding drum.
Further, the fixing and connecting the rope climbing block to the winding drum comprises:
spot welding the rope climbing block to be positioned on the winding drum;
taking out the positioning tool;
and welding and fixing the rope climbing block to be positioned on the winding drum.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the positioning tool is designed according to the first section of the rope climbing block to be positioned, when the positioning tool is used specifically, the arc positioning surface of the positioning tool can be attached to the rope groove surface of the winding drum, the outer web positioning surface is closely attached to the inner wall of the outer web of the winding drum, and the positioning tool is installed. Then the rope climbing block is sleeved in a rope groove-free area at the starting end of a rope groove of the winding drum, so that one end face of the rope climbing block is tightly attached to the inner wall of the outer web plate of the winding drum. And then the rope climbing block is moved and adjusted along the winding direction of the steel wire rope. Because the distance H1 between the measuring face of location frock and the reel is the height of the first cross-section of climbing rope piece along the radial direction of reel, consequently, when climbing rope piece removes to between location frock and the reel, and when climbing rope piece's up end and the measuring face contact of location frock, it is located location frock position to say promptly that climbing rope piece's first cross-section, at this moment, can confirm the fixed position of climbing rope piece on the reel to can fix climbing rope piece on the reel, guarantee climbing rope piece's positioning accuracy. Therefore, compared with the mode of measuring and positioning the climbing rope block by using the measuring rod in the prior art, the positioning tool provided by the invention is more efficient and faster in positioning the climbing rope block, and meanwhile, the positioning precision of the climbing rope block can be ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a portion of a spool according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a positioning tool for a drum rope climbing block provided by an embodiment of the invention;
FIG. 3 is a schematic use view of a positioning tool for a drum rope climbing block provided by an embodiment of the invention;
fig. 4 is a flowchart of a positioning method of a drum rope climbing block according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a positioning tool for a rope climbing block of a winding drum, which is used for positioning the rope climbing block on the winding drum, and in order to better understand the invention, the application scene of the positioning tool provided by the invention is simply introduced as follows:
fig. 1 is a partial structural schematic view of a winding drum according to an embodiment of the present invention, as shown in fig. 1, a plurality of rope grooves 100a are formed in an outer side wall of the winding drum 100, a steel wire rope 110 matched with the rope grooves of the winding drum is disposed in each rope groove, and outer webs 120 are respectively disposed at two ends of the winding drum. The rope climbing block 130 is provided in a cordless groove region of a rope groove start end of the drum 100.
The embodiment of the invention provides a positioning tool for a winding drum rope climbing block, which is used for positioning the rope climbing block 130 on a winding drum 100, and fig. 2 is a schematic structural diagram of the positioning tool for the winding drum rope climbing block provided by the embodiment of the invention, and as shown in fig. 2, the positioning tool 200 is a ladder structure composed of a first ladder and a second ladder, wherein the first ladder comprises an outer web positioning surface 210 and a measuring surface 220, and the second ladder comprises a connecting surface 230 and a reference surface 240.
Fig. 3 is a schematic use view of a positioning tool for a rope climbing block of a winding drum according to an embodiment of the present invention, as shown in fig. 3 and in conjunction with fig. 2, an outer web positioning surface 210 is used for being attached to an inner wall of an outer web 120 of a winding drum 100, a reference surface 240 includes a plane 241 and an arc positioning surface 242 protruding from a middle portion of the plane 241, and an arch height S1 of the arc positioning surface 242 is equal to a depth S2 of a rope groove 100a of the winding drum 100. The arc positioning surface 242 is adapted to be fitted to the groove surface of the groove 100a of the drum 100.
The distance from the outer web positioning surface 210 to the arc center of the arc positioning surface 242 is D1, D1 is B +0.5D + nP, where B is the width of the first section of the rope climbing block 130 to be positioned along the axis direction x (see fig. 1) of the winding drum 100, D is the diameter of the steel wire rope 110 matched with the rope groove 100a of the winding drum 100, P is the pitch of the rope groove of the winding drum, and n is a positive integer greater than or equal to 1.
The distance from the outer web positioning surface 210 to the connecting surface 230 is D2, M is not less than D2 and less than D1, and M is the maximum width of the climbing rope block 130 along the axial direction of the winding drum 100.
In the present embodiment, the first cross section may be any one of the cross sections of the rope climbing block 130 taken along the axial direction of the winding drum 100.
The distance from the measuring surface 220 to the arc-shaped peak of the arc-shaped positioning surface 242 is H1, H1 is the height of the first section of the climbing rope block 130 along the radial direction of the winding drum 100, and 0 < H1.
According to the embodiment of the invention, the positioning tool is designed according to the first section of the rope climbing block to be positioned, when the positioning tool is used specifically, the arc positioning surface of the positioning tool can be attached to the rope groove surface of the winding drum, and the outer web positioning surface is closely attached to the inner wall of the outer web of the winding drum, so that the installation of the positioning tool is completed. Then the rope climbing block is sleeved in a rope groove-free area at the starting end of a rope groove of the winding drum, so that one end face of the rope climbing block is tightly attached to the inner wall of the outer web plate of the winding drum. And then the rope climbing block is moved and adjusted along the winding direction of the steel wire rope. Because the distance H1 between the measuring face of location frock and the reel is the height of the first cross-section of climbing rope piece along the radial direction of reel, consequently, when climbing rope piece removes to between location frock and the reel, and when climbing rope piece's up end and the measuring face contact of location frock, it is located location frock position to say promptly that climbing rope piece's first cross-section, at this moment, can confirm the fixed position of climbing rope piece on the reel to can fix climbing rope piece on the reel, guarantee climbing rope piece's positioning accuracy. Therefore, compared with the mode of measuring and positioning the climbing rope block by using the measuring rod in the prior art, the positioning tool provided by the invention is more efficient and faster in positioning the climbing rope block, and meanwhile, the positioning precision of the climbing rope block can be ensured.
In a specific use, the installation position of the first section of the rope climbing block 130 on the winding drum 100 can be determined, and then the positioning tool 200 is arranged at the installation position.
Preferably, D1 ═ B +0.5D + P. In this case, as shown in fig. 3, the arc positioning surface 242 is disposed in the second rope groove 100a on the winding drum 100 closest to the side plate, so that the length D of the positioning tool 200 is the shortest, and material can be saved.
Further, D2 is M +2mm, which prevents the rope block 130 from contacting the connection surface 230 and causing wear when moving on the drum 100.
Further, along the direction from the outer web positioning surface 210 to the measuring surface 220, the total length of the positioning tool 200 is D, B + D + nP is not more than D, and D1 is less than D.
Further, D ═ B +1.5D + P. The total length of the positioning tool 200 is shortest, and the positioning tool 200 plays a role of positioning the climbing rope block, so that the material of the positioning tool 200 can be saved.
Further, H1 is less than or equal to N-10 mm. Wherein, N is the maximum height of climbing rope piece along the radial direction of reel. Referring to fig. 1, the inner wall of the outer web 120 is inclined inward of the spool 110 due to the radial direction (y-direction) of the spool 100, and the farther away from the axis of the spool 100, the greater the angle of inclination of the inner wall of the outer web 120. Therefore, the H1 is set to be less than or equal to H-10mm, so that the measuring surface 220 of the positioning tool 200 is closer to the winding drum 100, and the influence of the inclination of the inner wall of the outer web 120 on the positioning of the positioning tool 200 is reduced.
Further, H2 is not less than 8mm, and H2 is the length of the outer web positioning surface 210 along the radial direction (y direction) of the winding drum 100, so as to ensure that the contact area between the outer web positioning surface 210 and the inner wall of the outer web 120 is not small, and further ensure the positioning accuracy of the positioning tool 200.
Illustratively, H2 ═ 8mm, or H2 ═ 10 nm.
Further, as shown in fig. 2, a mounting through hole 200a is formed on the positioning tool 200. When the positioning tool 200 is not used, the positioning tool 200 can be positioned and fixed through the mounting through hole 200 a.
Illustratively, the diameter of the mounting through-hole 200a may be 5 mm.
Optionally, the positioning tool 200 may be made of a metal or non-metal sheet, and the thickness of the positioning tool 200 may be 3-5 mm.
Optionally, the end portions of the outer web positioning surface 210 and the measuring surface 220 of the positioning tool 200 are both provided with chamfers, and the thicknesses of the end portions of the chamfers are both smaller than 1mm, preferably 0.8 mm. The angle of the chamfer may be 15 to 45 °, preferably 30 °.
The invention provides a positioning method of a winding drum rope climbing block, which adopts the positioning tool in the embodiment. Fig. 4 is a flowchart of a positioning method of a drum rope climbing block according to an embodiment of the present invention, and as shown in fig. 4, the positioning method includes:
And 403, moving and adjusting the rope climbing block along the winding direction of the steel wire rope until the rope climbing block moves to a position between the positioning tool and the winding drum, and when the upper end surface of the rope climbing block is in contact with the measuring surface of the positioning tool, fixing the rope climbing block.
Illustratively, as shown in fig. 3, the upper end surface of the rope climbing block 130 is in contact with the measuring surface 220 of the positioning tool 200.
And 404, fixedly connecting the climbing rope block to the winding drum.
Illustratively, step 404 may include:
spot-welding the climbing rope block 130 to be positioned on the winding drum 100;
taking out the positioning tool 200;
the climbing rope block 130 to be positioned is fixed on the winding drum 100 by welding.
According to the embodiment of the invention, the positioning tool is designed according to the first section of the rope climbing block to be positioned, when the positioning tool is used specifically, the arc positioning surface of the positioning tool can be attached to the rope groove surface of the winding drum, and the outer web positioning surface is closely attached to the inner wall of the outer web of the winding drum, so that the installation of the positioning tool is completed. Then the rope climbing block is sleeved in a rope groove-free area at the starting end of a rope groove of the winding drum, so that one end face of the rope climbing block is tightly attached to the inner wall of the outer web plate of the winding drum. And then the rope climbing block is moved and adjusted along the winding direction of the steel wire rope. Because the distance H1 between the measuring face of location frock and the reel is the height of the first cross-section of climbing rope piece along the radial direction of reel, consequently, when climbing rope piece removes to between location frock and the reel, and when climbing rope piece's up end and the measuring face contact of location frock, it is located location frock position to say promptly that climbing rope piece's first cross-section, at this moment, can confirm the fixed position of climbing rope piece on the reel to can fix climbing rope piece on the reel, guarantee climbing rope piece's positioning accuracy. Therefore, compared with the mode of measuring and positioning the climbing rope block by using the measuring rod in the prior art, the positioning tool provided by the invention is more efficient and faster in positioning the climbing rope block, and meanwhile, the positioning precision of the climbing rope block can be ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A positioning tool for a rope climbing block of a winding drum is used for positioning the rope climbing block on the winding drum, and a plurality of rope grooves are formed in the outer side wall of the winding drum;
the distance from the outer web plate positioning surface to the arc center of the arc positioning surface is D1, D1 is B +0.5D + nP, wherein B is the width of the first section of the rope climbing block to be positioned along the axis direction of the winding drum, D is the diameter of a steel wire rope matched with a rope groove of the winding drum, P is the pitch of the rope groove of the winding drum, and n is a positive integer greater than or equal to 1;
the distance from the outer web plate positioning surface to the connecting surface is D2, M is not less than D2 and is more than D1, and M is the maximum width of the rope climbing block along the axial direction of the winding drum;
the distance from the measuring surface to the arc-shaped peak of the arc-shaped positioning surface is H1, H1 is the height of the first section of the rope climbing block along the radial direction of the winding drum, and H1 is more than 0.
2. The positioning tool of claim 1, wherein D1 ═ B +0.5D + P.
3. The positioning tool of claim 1, wherein D2 is M +2 mm.
4. The positioning tool according to any one of claims 1 to 3, wherein the total length of the positioning tool along the direction from the outer web positioning surface to the measuring surface is D, B + D + nP is less than or equal to D, and D1 is less than D.
5. The positioning tool according to claim 4, wherein D + B +1.5D + P.
6. The positioning tool according to claim 1, wherein H1 is not more than N-10mm, wherein N is the maximum height of the rope climbing block along the radial direction of the winding drum.
7. The positioning tool of claim 6, wherein H2 is greater than or equal to 8mm, and H2 is the length of the outer web positioning surface in the radial direction of the winding drum.
8. The positioning tool according to claim 6, wherein the positioning tool is provided with a mounting through hole.
9. A positioning method of a winding drum rope climbing block adopts the positioning tool according to any one of claims 1 to 8, and is characterized by comprising the following steps:
the arc positioning surface of the positioning tool is attached to the rope groove surface of the winding drum, and the position of the arc positioning surface in the rope groove of the winding drum is adjusted along the winding direction of the steel wire rope, so that the outer web positioning surface is closely attached to the inner wall of the outer web of the winding drum;
sleeving the rope climbing block in a rope groove-free area at the starting end of a rope groove of the winding drum, so that one end face of the rope climbing block is tightly attached to the inner wall of the outer web plate of the winding drum;
moving and adjusting the rope climbing block along the winding direction of the steel wire rope until the rope climbing block moves to a position between the positioning tool and the winding drum, and when the upper end surface of the rope climbing block is in contact with the measuring surface of the positioning tool, fixing the rope climbing block;
fixedly connecting the rope climbing block to the winding drum.
10. The method of claim 9, wherein the fixedly attaching the rope climbing block to the drum comprises:
spot welding the rope climbing block to be positioned on the winding drum;
taking out the positioning tool;
and welding and fixing the rope climbing block to be positioned on the winding drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466975.6A CN110342415B (en) | 2019-05-31 | 2019-05-31 | Positioning tool and positioning method for rope climbing block of winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466975.6A CN110342415B (en) | 2019-05-31 | 2019-05-31 | Positioning tool and positioning method for rope climbing block of winding drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110342415A CN110342415A (en) | 2019-10-18 |
| CN110342415B true CN110342415B (en) | 2020-12-08 |
Family
ID=68174170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466975.6A Active CN110342415B (en) | 2019-05-31 | 2019-05-31 | Positioning tool and positioning method for rope climbing block of winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110342415B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941327B (en) * | 2020-06-22 | 2022-04-15 | 武汉船用机械有限责任公司 | Positioning method of rope climbing block |
| CN114589458B (en) * | 2022-02-23 | 2022-11-22 | 武汉船用机械有限责任公司 | Processing method of winding drum rope climbing block |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1591409A2 (en) * | 2004-04-27 | 2005-11-02 | National-Oilwell, L.P. | Winch, winch system and a method for operating a winch system |
| CN101229906A (en) * | 2008-02-02 | 2008-07-30 | 南阳二机石油装备(集团)有限公司 | Integral hoisting barrel and processing method thereof |
| CN201201874Y (en) * | 2008-02-02 | 2009-03-04 | 南阳二机石油装备(集团)有限公司 | Integral winch barrel |
| CN101537986A (en) * | 2009-04-17 | 2009-09-23 | 郑州科润机电工程有限公司 | Drum with fold line grooves |
| CN102107824A (en) * | 2011-03-31 | 2011-06-29 | 山东山推机械有限公司 | Double-layer winding steel wire rope reel |
| CN102616691A (en) * | 2012-03-31 | 2012-08-01 | 武汉船用机械有限责任公司 | Spiral groove type drum for crane and crane |
| CN203833529U (en) * | 2014-01-20 | 2014-09-17 | 中国海洋石油总公司 | Welding roller of crane |
| CN104401895A (en) * | 2014-10-21 | 2015-03-11 | 常熟中德重机有限公司 | Integrated parallel fold line reel and manufacturing technique thereof |
| CN205087842U (en) * | 2015-10-29 | 2016-03-16 | 山东弘方重工机械有限公司 | Steel wire rope winding drum |
| CN206336961U (en) * | 2016-11-14 | 2017-07-18 | 郑州飞机装备有限责任公司 | A kind of reel structure |
| CN207209843U (en) * | 2017-07-31 | 2018-04-10 | 浙江祥康农业发展有限公司 | A kind of fixing device of hoist engine |
-
2019
- 2019-05-31 CN CN201910466975.6A patent/CN110342415B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1591409A2 (en) * | 2004-04-27 | 2005-11-02 | National-Oilwell, L.P. | Winch, winch system and a method for operating a winch system |
| CN101229906A (en) * | 2008-02-02 | 2008-07-30 | 南阳二机石油装备(集团)有限公司 | Integral hoisting barrel and processing method thereof |
| CN201201874Y (en) * | 2008-02-02 | 2009-03-04 | 南阳二机石油装备(集团)有限公司 | Integral winch barrel |
| CN101537986A (en) * | 2009-04-17 | 2009-09-23 | 郑州科润机电工程有限公司 | Drum with fold line grooves |
| CN102107824A (en) * | 2011-03-31 | 2011-06-29 | 山东山推机械有限公司 | Double-layer winding steel wire rope reel |
| CN102616691A (en) * | 2012-03-31 | 2012-08-01 | 武汉船用机械有限责任公司 | Spiral groove type drum for crane and crane |
| CN203833529U (en) * | 2014-01-20 | 2014-09-17 | 中国海洋石油总公司 | Welding roller of crane |
| CN104401895A (en) * | 2014-10-21 | 2015-03-11 | 常熟中德重机有限公司 | Integrated parallel fold line reel and manufacturing technique thereof |
| CN205087842U (en) * | 2015-10-29 | 2016-03-16 | 山东弘方重工机械有限公司 | Steel wire rope winding drum |
| CN206336961U (en) * | 2016-11-14 | 2017-07-18 | 郑州飞机装备有限责任公司 | A kind of reel structure |
| CN207209843U (en) * | 2017-07-31 | 2018-04-10 | 浙江祥康农业发展有限公司 | A kind of fixing device of hoist engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110342415A (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110342415B (en) | Positioning tool and positioning method for rope climbing block of winding drum | |
| GB1599729A (en) | Telescopic booms | |
| CN102211742B (en) | Processing method of multi-layer winding rope groove drum | |
| CN106992424B (en) | Wire stripper | |
| US4877354A (en) | Pipeline anode | |
| CN110255413B (en) | Positioning and mounting method for rope climbing block | |
| CN105171347A (en) | Field mounting method for test chamber | |
| CN215107498U (en) | Building structure sleeve pipe assembly component | |
| AU690209B2 (en) | Metal tube and electric cable using the same | |
| CN105921896B (en) | A kind of installation and locating method of reel rope climbing block | |
| CN110985043B (en) | Shield method hydraulic pressure tunnel lining structure | |
| CN111941327B (en) | Positioning method of rope climbing block | |
| JP2004314099A (en) | Wire for gas-shielded arc welding | |
| CN202785429U (en) | Involute welded winding drum | |
| JP3876186B2 (en) | Gas shielded arc welding wire | |
| CN221151150U (en) | Wire arranging seat structure of outer winding machine | |
| RU27303U1 (en) | STEEL BUSHING | |
| CN215666838U (en) | Winding drum with compact structure | |
| CN212541947U (en) | Robot towline cable | |
| CN204297999U (en) | Crane gear and reel guide rope device | |
| CN115043265B (en) | Aluminum mooring cable winding drum and preparation process thereof | |
| CN219535434U (en) | Cable manhole unwrapping wire auxiliary pulley | |
| CN202028878U (en) | Beam structure of laser cutting equipment | |
| CN218266660U (en) | Fixing device of steel reinforcement cage and deviational survey pipe | |
| JP2022012113A (en) | Rope marking device for elevator and rope marking method for elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |