CN110407124B - Positioning and end face runout adjusting method for safety brake disc on winding drum of vertical ship lift - Google Patents
Positioning and end face runout adjusting method for safety brake disc on winding drum of vertical ship lift Download PDFInfo
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- CN110407124B CN110407124B CN201910732399.5A CN201910732399A CN110407124B CN 110407124 B CN110407124 B CN 110407124B CN 201910732399 A CN201910732399 A CN 201910732399A CN 110407124 B CN110407124 B CN 110407124B
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- brake disc
- winding drum
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- 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
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- 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
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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Abstract
The invention relates to a method for positioning a safety brake disc on a winding drum of a vertical ship lift and adjusting end face runout, wherein an annular positioning boss is arranged on the safety brake disc, an annular gap is arranged on the outer surface of a winding drum barrel, the annular positioning boss and the annular gap are in clearance fit, and the method for positioning the safety brake disc comprises the following steps: firstly, assembling an annular positioning boss on an annular gap, wherein the annular positioning boss and the annular gap are in clearance fit; then, the safety brake disc is rotated to enable the second reamed hole and the first reamed hole to correspond one to one, the anti-shearing sleeves are placed in the second reamed hole and the first reamed hole, and then the safety brake disc and the winding drum radial plate are connected together through high-strength bolts, so that the radial and axial positioning of the safety brake disc is completed; the method for adjusting the end face run-out of the safety brake disc comprises the following steps: the clearance between the end face of the safety brake disc and the end face of the web plate of the winding drum is adjusted by adjusting the tightness of the high-strength bolt, so that the local adjustment of the end face runout of the safety brake disc is realized.
Description
Technical Field
The invention relates to the field of water conservancy and hydropower engineering navigation buildings, in particular to a method for positioning a safety brake disc on a winding drum of a vertical ship lift and adjusting end face run-out.
Background
The vertical ship lift is an important navigation facility for overcoming the water level difference to realize the navigation of the dam. Compared with a ship lock, the vertical ship lift is more efficient and more energy-saving in ship dam-crossing navigation and improves the ship dam-crossing time. At present, the problem of dam navigation is solved by generally adopting a steel wire rope winch lifting type vertical ship lift at home and abroad, the ship lift adopts a plurality of groups of winding drums to rotate to realize the up-and-down operation of the high stroke of a ship receiving chamber, the whole ship lift adopts two brakes of a working brake and a safety brake to realize cooperative braking, and a plurality of groups of disc type safety brakes are applied to a safety brake disc on the winding drums.
At present, the effective diameter of the safe brake disc on the winding drum of the domestic large ship lift exceeds 4m, and the requirement on the braking synchronism of a plurality of groups of disc brakes is very high, so that the installation precision of the safe brake disc with large diameter is required to meet the requirement, especially the requirement on the end face runout of the safe brake disc. For example, patent No. CN 201186868Y: the safety brake disc for the winding drum utilizes an elastic pin to relieve rigid impact between the brake disc and the winding drum during braking; for another example, patent No. CN201842608U provides a rigid connection structure between a brake disc and a winding drum, and a bolt and a spigot are used to bear braking force during braking, which increases the processing difficulty and has high quality requirement for the bolt. The two patents do not provide a method for controlling the installation accuracy of the brake disc for the synchronism of a plurality of groups of disc brakes acting on the safety brake disc, and particularly do not provide a corresponding method for adjusting the end face runout of the safety brake disc, and the technical schemes disclosed by the two patents are only suitable for connecting and positioning the winding drum and the safety brake disc with small braking force and small diameter.
Therefore, it is necessary to provide a method for positioning a safety brake disc on a drum of a vertical ship lift and adjusting end run-out.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method for positioning a safety brake disc on a winding drum and adjusting end face runout.
The technical scheme adopted by the invention for solving the problems is as follows: a method for positioning a safety brake disc on a vertical ship lift drum and adjusting end face runout is characterized in that:
the winding drum comprises a winding drum body, and winding drum radial plates for supporting the winding drum body are arranged inside two ends of the winding drum body;
the safety brake disc is arranged at one end of the winding drum barrel, a winding drum radial plate arranged in the end of the winding drum barrel is uniformly provided with a circle of first-reamed holes, and the outer surface of the winding drum barrel at the end is provided with an annular gap; the end surface of the end reel barrel is flush with the end surface of the reel spoke plate;
a circle of second-numbered hinged holes which correspond to the first-numbered hinged holes one by one are formed in the safety brake disc, and an annular positioning boss is arranged on the end face, opposite to the winding drum body, of the safety brake disc;
the basic size of the axial height of the annular positioning boss is consistent with the basic size of the axial width of the annular gap, wherein the upper deviation of the axial height of the annular positioning boss is 0.2mm, and the lower deviation of the axial height of the annular positioning boss is 0.1 mm; the upper deviation of the axial width of the annular gap is-0.1 mm, and the lower deviation is-0.2 mm;
the basic size of the inner diameter of the annular positioning boss is consistent with the basic size of the radial section diameter of the annular gap; the upper deviation of the inner diameter of the annular positioning boss is 0.32mm, and the lower deviation is 0 mm; the upper deviation of the diameter of the radial section of the annular gap is 0mm, and the lower deviation is-0.2 mm;
the positioning method for installing the safety brake disc at one end of the winding drum body comprises the following steps: firstly, assembling an annular positioning boss on an annular gap, wherein the annular positioning boss and the annular gap are in clearance fit; then, the safety brake disc is rotated to enable the second reamed hole and the first reamed hole to correspond one to one, the anti-shearing sleeves are placed in the second reamed hole and the first reamed hole, and then the safety brake disc and the winding drum radial plate are connected together through high-strength bolts, so that the radial and axial positioning of the safety brake disc is completed;
the method for adjusting the end face run-out of the safety brake disc comprises the following steps: the axial runout adjusting range of the safe brake disc on the drum axis in the braking radius area is within 0.5mm, and the gap between the end face of the safe brake disc and the end face of the drum spoke plate is adjusted by adjusting the tightness of the high-strength bolt, so that the local adjustment of the runout of the end face of the safe brake disc is realized.
Preferably, the inner end of the annular positioning boss is chamfered.
Preferably, the installed drum spoke plate and the safety brake disc have a gap of 0.2-0.4 mm in the axial direction.
Preferably, the length of the shear sleeve is less than the sum of the thicknesses of the safety brake disc and the web plate of the winding drum.
Compared with the prior art, the invention has the following advantages and effects:
1. the positioning structure of the safety brake disc on the winding drum of the vertical ship lift is reasonable in design and simplified in structure, and the large-diameter safety brake disc can be accurately positioned;
2. the length of the shear sleeve is smaller than the sum of the thicknesses of the brake disc and the web plate of the winding drum, and the gap between the end face of the safe brake disc and the end face of the web plate of the winding drum can be adjusted by loosening and tightening the high-strength bolt, so that the accurate adjustment of the end face runout of the safe brake disc with the large diameter is realized.
Drawings
Fig. 1 is an overall layout of an embodiment of the present invention.
Fig. 2 is a side view in an embodiment of the invention.
Fig. 3 is an enlarged schematic view at I in fig. 1 (illustrating the connection of the winding drum and the safety brake disc).
Fig. 4 is a schematic structural view of a safety brake disc in an embodiment of the invention.
Fig. 5 is an enlarged schematic view of fig. 4 at II.
Fig. 6 is a schematic view of a spool structure according to an embodiment of the present invention.
Fig. 7 is an enlarged schematic view at III of fig. 6 (illustrating the annular gap at the end of the roll body).
Description of reference numerals:
a safety brake disc 1; reaming a hole 1-1; 1-2 of an annular positioning boss;
a winding drum 2; a drum web 2-1; reaming a hole 2-2; 2-3 of a winding drum body; 2-4 of an annular gap;
a high-strength bolt 3; a gasket 4; a shear sleeve 5; a spring washer 6; and a nut 7.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
See fig. 1-7.
The embodiment discloses a connecting structure of a winding drum and a safety brake disc of a vertical ship lift, wherein the winding drum 2 comprises a winding drum barrel 2-3, and winding drum radial plates 2-1 for supporting the winding drum barrel 2-3 are arranged inside two ends of the winding drum barrel 2-3. The safety brake disc 1 is arranged at one end of the winding drum barrel 2-3, a winding drum radial plate 2-1 arranged in the end of the winding drum barrel 2-3 is uniformly provided with a circle of one-number reaming holes 2-2, and the outer surface of the winding drum barrel 2-3 at the end is provided with an annular gap 2-4; the end face of the end reel barrel 2-3 is flush with the end face of the reel web 2-1.
In the embodiment, a circle of second reamed holes 1-1 corresponding to the first reamed holes 2-2 one by one are formed in the safety brake disc 1, and an annular positioning boss 1-2 is arranged on the end face, opposite to the winding drum barrel 2-3, of the safety brake disc 1. The basic size of the inner diameter of the annular positioning boss 1-2 is consistent with the basic size of the radial section diameter of the annular gap 2-4, and the basic sizes are D. The upper deviation of the inner diameter of the annular positioning boss 1-2 is 0.32mm, and the lower deviation is 0 mm; the upper deviation of the radial cross-sectional diameter of the annular gap 2-4 is 0mm, and the lower deviation is-0.2 mm. The annular positioning boss 1-2 and the annular gap 2-4 are in clearance fit through reasonable size design.
In the embodiment, the basic dimension of the axial height of the annular positioning boss 1-2 is consistent with the basic dimension of the axial width of the annular gap 2-4, and is H, wherein the upper deviation and the lower deviation of the axial height of the annular positioning boss 1-2 are respectively 0.2mm and 0.1 mm; the upper deviation of the axial width of the annular gap 2-4 is-0.1 mm and the lower deviation is-0.2 mm. The end part of the inner side of the annular positioning boss 1-2 is chamfered.
In this embodiment, when the safety brake disc 1 is installed at one end of the drum body 2-3, the positioning method of the safety brake disc 1 is as follows: firstly, assembling an annular positioning boss 1-2 on an annular gap 2-4, wherein the annular positioning boss and the annular gap are in clearance fit; then the safety brake disc 1 is rotated to enable the second reamed hole 1-1 to correspond to the first reamed hole 2-2 one by one, the anti-shearing sleeves 5 are placed in the second reamed hole 1-1 and the first reamed hole 2-2, and then the safety brake disc 1 and the winding drum radial plate 2-1 are connected together through the high-strength bolts 3, the gaskets 4, the spring gaskets 6 and the nuts 7, so that the radial and axial positioning of the safety brake disc 1 is completed. A gap of 0.2-0.4 mm exists between the winding drum radial plate 2-1 and the safety brake disc 1 which are installed together in the axial direction. The length of the shear sleeve 5 is less than the sum of the thicknesses of the safe brake disc 1 and the web plate of the winding drum 2.
In this embodiment, the method for adjusting the end face runout of the safety brake disc 1 includes: the axial end face runout adjusting range of the axial line of the safety brake disc 1 to the winding drum 2 in the braking radius area is within 0.5mm, and the gap between the end face of the safety brake disc 1 and the end face of the winding drum spoke plate 2-1 is adjusted by adjusting the tightness of the high-strength bolt 3, so that the local accurate adjustment of the end face runout of the large-diameter safety brake disc 1 is realized.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (4)
1. A method for positioning a safety brake disc on a vertical ship lift drum and adjusting end face runout is characterized in that:
the winding drum (2) comprises a winding drum body (2-3), and winding drum radial plates (2-1) for supporting the winding drum body (2-3) are arranged inside two ends of the winding drum body (2-3);
the safety brake disc (1) is arranged at one end of the winding drum barrel body (2-3), a winding drum spoke plate (2-1) arranged in the end of the winding drum barrel body (2-3) is uniformly provided with a circle of one-number reaming holes (2-2), and the outer surface of the winding drum barrel body (2-3) at the end is provided with an annular gap (2-4); the end surface of the end reel cylinder (2-3) is flush with the end surface of the reel spoke plate (2-1);
a circle of second-number hinged holes (1-1) which correspond to the first-number hinged holes (2-2) one by one are formed in the safety brake disc (1), and an annular positioning boss (1-2) is arranged on the end face, opposite to the winding drum barrel (2-3), of the safety brake disc (1);
the basic dimension of the axial height of the annular positioning boss (1-2) is consistent with the basic dimension of the axial width of the annular gap (2-4), wherein the upper deviation and the lower deviation of the axial height of the annular positioning boss (1-2) are respectively 0.2mm and 0.1 mm; the upper deviation of the axial width of the annular gap (2-4) is-0.1 mm, and the lower deviation is-0.2 mm;
the basic size of the inner diameter of the annular positioning boss (1-2) is consistent with the basic size of the radial section diameter of the annular gap (2-4); the upper deviation of the inner diameter of the annular positioning boss (1-2) is 0.32mm, and the lower deviation is 0 mm; the upper deviation of the diameter of the radial section of the annular gap (2-4) is 0mm, and the lower deviation is-0.2 mm;
the positioning method for installing the safety brake disc (1) at one end of the winding drum body (2-3) comprises the following steps: firstly, assembling an annular positioning boss (1-2) on an annular gap (2-4), wherein the annular positioning boss and the annular gap are in clearance fit; then the safety brake disc (1) is rotated to enable the second reamed hole (1-1) and the first reamed hole (2-2) to correspond one to one, the anti-shearing sleeve (5) is placed in the second reamed hole (1-1) and the first reamed hole (2-2), and then the safety brake disc (1) and the winding drum radial plate (2-1) are connected together through the high-strength bolt (3), so that the radial and axial positioning of the safety brake disc (1) is completed;
the method for adjusting the end face runout of the safety brake disc (1) comprises the following steps: the axial end face runout adjusting range of the safe brake disc (1) to the axis of the winding drum (2) in the braking radius area is within 0.5mm, and the gap between the end face of the safe brake disc (1) and the end face of the winding drum spoke plate (2-1) is adjusted by adjusting the tightness of the high-strength bolt (3), so that the local adjustment of the end face runout of the safe brake disc (1) is realized.
2. The method of claim 1 for positioning a safety brake disc on a drum of a vertical ship lift and adjusting end run-out, wherein: the end part of the inner side of the annular positioning boss (1-2) is chamfered.
3. The method of claim 1 for positioning a safety brake disc on a drum of a vertical ship lift and adjusting end run-out, wherein: when the safety brake disc (1) and the winding drum radial plate (2-1) are connected together by using the high-strength bolts (3), a gap of 0.2-0.4 mm exists between the winding drum radial plate (2-1) and the safety brake disc (1) in the axial direction.
4. The method of claim 1 for positioning a safety brake disc on a drum of a vertical ship lift and adjusting end run-out, wherein: the length of the shear sleeve (5) is less than the sum of the thicknesses of the safe brake disc (1) and the web plate of the winding drum (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732399.5A CN110407124B (en) | 2019-08-09 | 2019-08-09 | Positioning and end face runout adjusting method for safety brake disc on winding drum of vertical ship lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732399.5A CN110407124B (en) | 2019-08-09 | 2019-08-09 | Positioning and end face runout adjusting method for safety brake disc on winding drum of vertical ship lift |
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| CN110407124A CN110407124A (en) | 2019-11-05 |
| CN110407124B true CN110407124B (en) | 2020-10-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528653A (en) * | 2003-10-14 | 2004-09-15 | 曾晓东 | Integral-cast driving rope wheel with brake disc |
| CN201944153U (en) * | 2010-12-22 | 2011-08-24 | 重庆隆鑫机车有限公司 | Brake plate for two-wheeled motorcycle |
| CN202226585U (en) * | 2011-08-25 | 2012-05-23 | 湖南创安防爆电器有限公司 | Mine hoist |
| CN203702875U (en) * | 2013-12-31 | 2014-07-09 | 上海人本汽车轴承有限公司 | Inner flange plate end face structure of three-generation hub bearing unit |
| CN107314066A (en) * | 2016-10-24 | 2017-11-03 | 上海汇众汽车制造有限公司 | Split-type brake disc |
| CN208454366U (en) * | 2018-05-02 | 2019-02-01 | 菱王电梯股份有限公司 | The brake disc of traction machine |
-
2019
- 2019-08-09 CN CN201910732399.5A patent/CN110407124B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528653A (en) * | 2003-10-14 | 2004-09-15 | 曾晓东 | Integral-cast driving rope wheel with brake disc |
| CN201944153U (en) * | 2010-12-22 | 2011-08-24 | 重庆隆鑫机车有限公司 | Brake plate for two-wheeled motorcycle |
| CN202226585U (en) * | 2011-08-25 | 2012-05-23 | 湖南创安防爆电器有限公司 | Mine hoist |
| CN203702875U (en) * | 2013-12-31 | 2014-07-09 | 上海人本汽车轴承有限公司 | Inner flange plate end face structure of three-generation hub bearing unit |
| CN107314066A (en) * | 2016-10-24 | 2017-11-03 | 上海汇众汽车制造有限公司 | Split-type brake disc |
| CN208454366U (en) * | 2018-05-02 | 2019-02-01 | 菱王电梯股份有限公司 | The brake disc of traction machine |
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| CN110407124A (en) | 2019-11-05 |
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