CN110745693B - Device and method for suppressing collision damage during hoisting of engine accessory case - Google Patents
Device and method for suppressing collision damage during hoisting of engine accessory case Download PDFInfo
- Publication number
- CN110745693B CN110745693B CN201910849245.4A CN201910849245A CN110745693B CN 110745693 B CN110745693 B CN 110745693B CN 201910849245 A CN201910849245 A CN 201910849245A CN 110745693 B CN110745693 B CN 110745693B
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- China
- Prior art keywords
- engine accessory
- hole
- shaft
- lifting ring
- lifting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/107—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
Abstract
The invention discloses a device and a method for restraining collision damage in hoisting of an engine accessory case, relating to the technical field of hoisting of aero-engines and comprising the following steps: the hanging plate is provided with a first through hole, a second through hole and a third through hole; the lifting ring device comprises a lifting ring and a lifting ring fixing piece connected with the bottom of the lifting ring, the lifting ring fixing piece is in running fit with the first through hole and is connected with the lifting plate, the first connecting shaft is in running fit with the second through hole and is connected with the lifting plate, and the bottom of the first connecting shaft can be detachably connected with the engine accessory casing; and the bottom of the second connecting shaft can be detachably connected with an engine accessory casing. The engine accessory casing has the advantages of being convenient to adjust and capable of effectively preventing parts of the engine accessory casing from being damaged and preventing parts of the engine accessory casing from being scrapped.
Description
Technical Field
The invention relates to the technical field of hoisting of aero-engines, in particular to a device and a method for hoisting and restraining engine accessory casings from being damaged.
Background
After an engine enters a factory, the engine accessory casing needs to be decomposed in the process of overhaul or overhaul, and in the process of using the engine accessory casing in an outfield, the metal elements such as copper and aluminum often exceed the standard due to design defects and the like. In order to solve the problem, the prior art generally adopts two steel ropes or a simple hanger to carry out the lifting operation of disassembling and assembling. However, in the hoisting process by adopting two steel ropes or a simple lifting appliance, the central point of the engine accessory casing cannot be kept balanced, so that the guide pipe and the engine shell of the engine connecting part are often damaged in the processes of disassembly and assembly, and the parts are reworked and repaired and part of the parts are scrapped.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for restraining collision damage during hoisting of an engine accessory case, which has the advantages of being convenient to adjust and capable of effectively preventing parts of the engine accessory case from being collided and scrapping parts of the parts.
The purpose of the invention is realized by the following technical scheme: an engine accessory casing handling and damage-inhibiting device, comprising: the hanging plate is provided with a first through hole, a second through hole and a third through hole;
the lifting ring device comprises a lifting ring and a lifting ring fixing piece connected with the bottom of the lifting ring, the lifting ring fixing piece is matched with the first through hole in a penetrating way and is connected with the lifting plate,
the first connecting shaft and the second through hole are matched in a penetrating mode and connected with the hanging plate, and the bottom of the first connecting shaft can be detachably connected with the engine accessory casing;
and the bottom of the second connecting shaft can be detachably connected with an engine accessory casing.
Furthermore, the first connecting shaft comprises a first shaft sleeve and a first shaft rod which is in running fit with the first shaft sleeve, a first internal thread is arranged in the first shaft sleeve, a first external thread which is matched with the first internal thread is arranged on the first shaft rod, and the first shaft rod vertically extends out of the bottom of the first shaft sleeve and is in threaded connection with the engine accessory casing.
Further, the second connecting shaft comprises a second shaft sleeve and a second shaft rod which is in running fit with the second shaft sleeve, a second internal thread is arranged in the second shaft sleeve, a second external thread which is matched with the second internal thread is arranged on the second shaft rod, and the second shaft rod vertically extends out of the bottom of the second shaft sleeve and is in threaded connection with the engine accessory casing.
Furthermore, a first fixing nut and a first gasket are arranged outside the first shaft sleeve, and the outer diameter of the first fixing nut and the outer diameter of the first gasket are both larger than the diameter of the second through hole.
Further, a second fixing nut and a second gasket are arranged outside the second shaft sleeve, and the outer diameter of the second fixing nut and the outer diameter of the second gasket are both larger than the diameter of the third through hole.
Further, the flying ring device further comprises a fixing nut with the outer diameter larger than the diameter of the first through hole, and the flying ring fixing piece is provided with an external thread and is in threaded fit with the fixing nut.
Furthermore, the hanger plate is also provided with a first weight-reducing through hole and a second weight-reducing through hole.
The embodiment of the invention also provides a method for restraining bruising during hoisting of the engine accessory case, which comprises the following steps: the lifting ring device, the first connecting shaft and the second connecting shaft are connected with the lifting plate, the bottom of the first shaft lever and the bottom of the second shaft lever are respectively in threaded connection with a threaded hole in an engine accessory casing, and then the lifting mechanism hooks a lifting ring on the lifting ring device to lift.
The invention has the following advantages: 1. the adjustment is convenient. The engine accessory case is hoisted by two stress points, so that whether the engine accessory case is provided with the main fuel pump can be conveniently adjusted, and the requirement on the balance of the engine accessory case in the whole hoisting process is met.
2. The damage rate of the connecting position conduit and the transmission rod of the engine accessory case can be reduced in the mounting and dismounting processes of the engine accessory case, and the damage of parts of the engine accessory case and the scrapping of parts of the parts are effectively prevented.
Drawings
Fig. 1 is a schematic structural diagram of an engine accessory casing handling and damage-inhibiting device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a method for suppressing damage by lifting an engine accessory case according to embodiment 2 of the present invention.
In the figure: 1-hanging plate, 2-hanging ring, 3-first connecting shaft, 4-second connecting shaft, 5-first weight-reducing through hole and 6-second weight-reducing through hole.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
Example 1
As shown in fig. 1, an embodiment of the present invention provides an apparatus for suppressing a collision damage during handling of an engine accessory casing, including: the hanging plate 1 is provided with a first through hole, a second through hole and a third through hole;
the lifting ring device comprises a lifting ring 2 and a lifting ring fixing piece connected with the bottom of the lifting ring 2, the lifting ring fixing piece is matched with the first through hole in a penetrating way and is connected with the lifting plate 1,
the first connecting shaft 3 is matched with the second through hole in a penetrating mode and connected with the hanging plate 1, and the bottom of the first connecting shaft 3 can be detachably connected with an engine accessory casing;
and the bottom of the second connecting shaft 4 can be detachably connected with an engine accessory casing.
In this embodiment, the first connecting shaft 3 includes a first sleeve and a first shaft rod which is in through fit with the first sleeve, a first internal thread is provided in the first sleeve, a first external thread which is in fit with the first internal thread is provided on the first shaft rod, and the first shaft rod vertically extends out of the bottom of the first sleeve and is in threaded connection with the engine accessory casing.
In this embodiment, the second connecting shaft 4 includes a second shaft sleeve and a second shaft rod which is in through fit with the second shaft sleeve, a second internal thread is arranged in the second shaft sleeve, a second external thread which is in fit with the second internal thread is arranged on the second shaft rod, and the second shaft rod vertically extends out of the bottom of the second shaft sleeve and is in threaded connection with the engine accessory casing.
In this embodiment, a first fixing nut and a first gasket are arranged outside the first sleeve, and both the outer diameter of the first fixing nut and the outer diameter of the first gasket are larger than the diameter of the second through hole.
In this embodiment, the second shaft sleeve is externally provided with a second fixing nut and a second gasket, and the outer diameter of the second fixing nut and the outer diameter of the second gasket are both larger than the diameter of the third through hole.
In this embodiment, rings device still includes the fixation nut that the external diameter is greater than first through-hole diameter, rings mounting be provided with the external screw thread and with fixation nut screw-thread fit.
In the present embodiment, the hanger plate 1 is further provided with a first weight-reducing through-hole 5 and a second weight-reducing through-hole 6.
Example 2
Referring to fig. 2, the present embodiment further provides a method for suppressing damage caused by handling an engine accessory casing, which includes: the lifting ring device, the first connecting shaft 3 and the second connecting shaft 4 are connected with the lifting plate 1, the bottom of the first shaft lever and the bottom of the second shaft lever are respectively in threaded connection with a threaded hole in an engine accessory casing, and then the lifting mechanism hooks the lifting ring 2 on the lifting ring device to lift.
The invention has the following advantages: 1. the adjustment is convenient. The engine accessory case is hoisted by two stress points, so that whether the engine accessory case is provided with the main fuel pump can be conveniently adjusted, and the requirement on the balance of the engine accessory case in the whole hoisting process is met.
2. The damage rate of the connecting position conduit and the transmission rod of the engine accessory case can be reduced in the mounting and dismounting processes of the engine accessory case, and the damage of parts of the engine accessory case and the scrapping of parts of the parts are effectively prevented.
Claims (2)
1. An engine accessory case handling and damage-restraining device is characterized by comprising: the lifting plate is provided with a first through hole, a second through hole and a third through hole; the hanger plate is also provided with a first weight-reducing through hole and a second weight-reducing through hole;
the lifting ring device comprises a lifting ring and a lifting ring fixing piece connected with the bottom of the lifting ring, the lifting ring fixing piece is matched with the first through hole in a penetrating mode and is connected with the lifting plate, the lifting ring device further comprises a fixing nut with the outer diameter larger than the diameter of the first through hole, and the lifting ring fixing piece is provided with external threads and is in threaded fit with the fixing nut;
the first connecting shaft and the second through hole are matched in a penetrating mode and connected with the hanging plate, and the bottom of the first connecting shaft can be detachably connected with the engine accessory casing; the first connecting shaft comprises a first shaft sleeve and a first shaft rod which is in running fit with the first shaft sleeve, a first internal thread is arranged in the first shaft sleeve, a first external thread which is matched with the first internal thread is arranged on the first shaft rod, and the first shaft rod extends out of the bottom of the first shaft sleeve in the vertical direction and is in threaded connection with the engine accessory casing; a first fixing nut and a first gasket are arranged outside the first shaft sleeve, and the outer diameter of the first fixing nut and the outer diameter of the first gasket are both larger than the diameter of the second through hole;
the second connecting shaft is matched with the third through hole in a penetrating mode and connected with the hanging plate, and the bottom of the second connecting shaft can be detachably connected with the engine accessory casing; the second connecting shaft comprises a second shaft sleeve and a second shaft rod which is in running fit with the second shaft sleeve, a second internal thread is arranged in the second shaft sleeve, a second external thread which is matched with the second internal thread is arranged on the second shaft rod, and the second shaft rod vertically extends out of the bottom of the second shaft sleeve and is in threaded connection with the engine accessory casing; a second fixing nut and a second gasket are arranged outside the second shaft sleeve, and the outer diameter of the second fixing nut and the outer diameter of the second gasket are both larger than the diameter of the third through hole;
the engine accessory case lifting and damage-inhibiting device is lifted by two stress points, so that whether the engine accessory case is provided with the main fuel pump or not can be conveniently adjusted;
the engine accessory case reduces the damage rate of the connecting position conduit and the transmission rod of the engine accessory case in the mounting and dismounting processes.
2. The method for suppressing the collision of the engine accessory casing lifting collision-suppressing device according to the claim 1, which is characterized by comprising the following steps: the lifting ring device, the first connecting shaft and the second connecting shaft are connected with the lifting plate, the bottom of the first shaft lever and the bottom of the second shaft lever are respectively in threaded connection with a threaded hole in an engine accessory casing, and then the lifting mechanism hooks a lifting ring on the lifting ring device to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849245.4A CN110745693B (en) | 2019-09-09 | 2019-09-09 | Device and method for suppressing collision damage during hoisting of engine accessory case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849245.4A CN110745693B (en) | 2019-09-09 | 2019-09-09 | Device and method for suppressing collision damage during hoisting of engine accessory case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110745693A CN110745693A (en) | 2020-02-04 |
| CN110745693B true CN110745693B (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910849245.4A Active CN110745693B (en) | 2019-09-09 | 2019-09-09 | Device and method for suppressing collision damage during hoisting of engine accessory case |
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| Country | Link |
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| CN (1) | CN110745693B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943014B (en) * | 2020-06-30 | 2022-05-03 | 中国航发南方工业有限公司 | Hanging device of aircraft engine starter and assembly method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5707168A (en) * | 1996-08-15 | 1998-01-13 | Houston Industries, Inc. | Heavy object lifting connector device |
| CN201980857U (en) * | 2011-03-25 | 2011-09-21 | 国水投资集团包头风电科技有限公司 | Foundation reverse-balance flange tower-barrel hanger |
| CN203959637U (en) * | 2014-06-24 | 2014-11-26 | 内蒙古包钢钢联股份有限公司 | Mm finishing mill unit cone case hoisting tool special |
| CN104528521A (en) * | 2014-12-17 | 2015-04-22 | 重庆大江渝强塑料制品有限公司 | Lifting balancing structure of mould |
| CN205500548U (en) * | 2016-04-11 | 2016-08-24 | 浙江新乐造船有限公司 | Stern axle hydraulic nut lifting device |
| CN205590148U (en) * | 2016-02-17 | 2016-09-21 | 浙江省送变电工程公司 | Steel pipe hoist device |
| CN106144879A (en) * | 2016-08-16 | 2016-11-23 | 常州市合达油泵有限公司 | It is easy to the oil pump of lifting |
-
2019
- 2019-09-09 CN CN201910849245.4A patent/CN110745693B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5707168A (en) * | 1996-08-15 | 1998-01-13 | Houston Industries, Inc. | Heavy object lifting connector device |
| CN201980857U (en) * | 2011-03-25 | 2011-09-21 | 国水投资集团包头风电科技有限公司 | Foundation reverse-balance flange tower-barrel hanger |
| CN203959637U (en) * | 2014-06-24 | 2014-11-26 | 内蒙古包钢钢联股份有限公司 | Mm finishing mill unit cone case hoisting tool special |
| CN104528521A (en) * | 2014-12-17 | 2015-04-22 | 重庆大江渝强塑料制品有限公司 | Lifting balancing structure of mould |
| CN205590148U (en) * | 2016-02-17 | 2016-09-21 | 浙江省送变电工程公司 | Steel pipe hoist device |
| CN205500548U (en) * | 2016-04-11 | 2016-08-24 | 浙江新乐造船有限公司 | Stern axle hydraulic nut lifting device |
| CN106144879A (en) * | 2016-08-16 | 2016-11-23 | 常州市合达油泵有限公司 | It is easy to the oil pump of lifting |
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| Publication number | Publication date |
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| CN110745693A (en) | 2020-02-04 |
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