CN220766266U - Rear casing lifting appliance - Google Patents
Rear casing lifting appliance Download PDFInfo
- Publication number
- CN220766266U CN220766266U CN202322212621.3U CN202322212621U CN220766266U CN 220766266 U CN220766266 U CN 220766266U CN 202322212621 U CN202322212621 U CN 202322212621U CN 220766266 U CN220766266 U CN 220766266U
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- connecting rod
- mounting
- rear casing
- hole
- turbine
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- 210000000078 claw Anatomy 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000013011 mating Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a rear case lifting appliance, which comprises a connecting rod, wherein the connecting rod is provided with a first mounting end and a second mounting end which are oppositely arranged; the connecting rod is provided with a hanging claw at the first installation end and the second installation end respectively, the hanging claw is in sliding connection with the connecting rod along the axial direction of the connecting rod, and the hanging claw is used for clamping the flange edge of the rear casing of the turbine. According to the utility model, the first mounting end and the second mounting end of the connecting rod are respectively provided with the hanging claw, the hanging claws are distributed at 180 degrees on the flange edge of the rear casing of the turbine, so that the requirement of quick positioning and mounting of the lifting appliance can be met, and the hanging claws are clamped on the mounting edge of the rear casing of the turbine and are in sliding fit with the connecting rod, so that the radial spans of the two hanging claws can be changed by small-amplitude movement, and the lifting requirement of the rear casing of the turbine with different sizes can be met.
Description
Technical Field
The utility model relates to the technical field of hoisting, in particular to a rear case lifting appliance.
Background
The rear turbine casing is used as a rear bearing frame of the aeroengine and is an important component of the aeroengine, and in the assembly process, the rear turbine casing relates to hoisting and fault checking work, so that the rear turbine casing is convenient to check, and the casing needs to be turned over, so that the part to be checked on the casing is close to an operator.
Under the existing technology, the lifting appliances of the rear casing of the turbine mainly have two types:
the first type of lifting appliance only plays a lifting function and is used for lifting a rear casing in the assembly process, and specifically, reference can be made to patent document of an authorized bulletin number CN206799698U, application date 2017.03.30 and named as a heat treatment device for a penetrating piece of a containment.
Another type of sling can refer to the patent document of the grant publication No. CN110373525B, the application date 2019.08.29, and the name of the sling is a method for optimizing the local heat treatment process and automatically controlling the temperature of a large-sized pressure container.
The lifting appliance is inconvenient to install, and the main reasons include the following points:
1. the lifting appliances with two sectional structures are installed by 180 degrees, the number of installation holes on the casing is large, when in actual installation, an operator can easily generate an installation position error under visual operation, and the installation position can be ensured to be correct only by carrying out a plurality of holes;
2. the lifting appliance with a single sectional structure cannot be assisted by a crane during installation, the lifting appliance is heavy, manual moving and installing operations are inconvenient, and the tool or the part is damaged due to the fact that the lifting appliance is easy to lose hands and operate by mistake.
Based on the above, the inventor of the present application proposes a rear casing sling, so as to solve the above technical problems.
Disclosure of Invention
The utility model aims to overcome the defect of inconvenient installation and positioning of a rear case lifting appliance in the prior art, and provides the rear case lifting appliance.
The utility model solves the technical problems by the following technical proposal:
the utility model provides a rear case lifting appliance which is characterized by comprising a connecting rod, wherein the connecting rod is provided with a first mounting end and a second mounting end which are oppositely arranged;
the connecting rod is provided with a hanging claw at the first installation end and the second installation end respectively, the hanging claw is in sliding connection with the connecting rod along the axial direction of the connecting rod, and the hanging claw is used for clamping the flange edge of the rear casing of the turbine.
According to one embodiment of the utility model, each lifting claw comprises a mounting part and a connecting part, wherein the mounting part is fixed on the connecting part, the mounting part is sleeved on the connecting rod and is in sliding connection with the connecting rod, and the connecting part is connected with the flange edge of the rear turbine casing through a threaded connecting piece.
According to one embodiment of the present utility model, each of the hanging claws further includes a hollow guide portion provided on one side surface of the mounting portion, the mounting portion is provided with a through connection hole, the connection hole is communicated with the guide portion, and the first end portion and the second end portion of the connecting rod respectively pass through the connection hole of the corresponding mounting portion and the guide portion;
the guide part is connected with the connecting rod through a threaded connecting piece.
According to one embodiment of the utility model, the connecting rod is provided with at least one first positioning hole which is arranged at intervals along the axial direction of the first mounting end and the second mounting end respectively;
the guide part is provided with a second positioning hole in the axial direction, and the guide part sequentially penetrates through the first positioning hole and the second positioning hole through the plug connector so as to be connected with the connecting rod.
According to one embodiment of the utility model, the hanging claw is provided with a guide groove at the end part of the guide part, which is away from the mounting part, and the guide groove extends along the axial direction of the guide part;
the connecting rod is provided with a guide block which is in sliding fit with the guide groove.
According to one embodiment of the utility model, a clamping groove is formed in one side, away from the mounting part, of the connecting part, and the clamping groove is used for clamping a flange edge of the rear casing of the turbine.
According to one embodiment of the utility model, the lifting appliance is provided with at least one mounting hole on the connecting part, and the lifting appliance is connected with the turbine rear casing through holes which are sequentially formed in the mounting hole and the flange edge of the turbine rear casing in a penetrating manner by a threaded connecting piece.
According to one embodiment of the utility model, the rear case hanger further comprises a lifting lug, and the lifting lug is inserted into the first mounting end and the second mounting end of the connecting rod.
According to one embodiment of the utility model, the connecting rod is provided with a matching hole along the axial direction at the first mounting end and the second mounting end respectively, and one end part of the lifting lug is inserted into the matching hole, so that the lifting lug is connected with the connecting rod.
According to one embodiment of the utility model, one end of the lifting lug is provided with external threads, and the matching hole is internally provided with internal threads matched with the external threads.
The utility model has the positive progress effects that:
according to the rear casing lifting appliance, the first mounting end and the second mounting end of the connecting rod are respectively provided with the lifting claws, the lifting claws are distributed at 180 degrees on the flange edge of the turbine rear casing, so that the requirement of quick positioning and mounting of the lifting appliance can be met, meanwhile, the lifting claws are clamped on the mounting edge of the turbine rear casing and are in sliding fit with the connecting rod, the radial span of the two lifting claws can be changed through small-amplitude movement, and the lifting requirements of the turbine rear casings with different sizes can be met. The rear casing lifting appliance can be quickly positioned and installed, has lifting and overturning functions, and meets the requirements of assembling and checking the rear casing of the turbine.
Drawings
The above and other features, properties and advantages of the present utility model will become more apparent from the following description in conjunction with the accompanying drawings and embodiments, in which:
FIG. 1 is a schematic diagram of the rear case spreader and turbine rear case mating state of the present utility model;
fig. 2 is a schematic structural view of the rear case hanger of the present utility model;
FIG. 3 is a schematic view of the explosive structure of the portion A in FIG. 2;
fig. 4 is an axial cross-sectional view of an end portion of the rear case spreader of fig. 2.
10. A connecting rod; 110. a first mounting end; 120. a second mounting end; 130. a first positioning hole; 140. a guide block; 150. a mating hole;
20. a hanging claw; 210. a mounting part; 220. a connection part; 221. a clamping groove; 222. a mounting hole; 230. a guide part; 231. a second positioning hole; 232. a guide groove; 233. a connection hole;
30. a turbine rear casing;
40. lifting lugs.
Detailed Description
In order to make the above objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Furthermore, although terms used in the present utility model are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present utility model is understood, not simply by the actual terms used but by the meaning of each term lying within.
Referring to fig. 1 to 4, the present utility model proposes a rear case hanger, comprising a connecting rod 10, the connecting rod 10 having a first mounting end 110 and a second mounting end 120 disposed opposite to each other; the connecting rod 10 is provided with a hanging claw 20 at each of the first mounting end 110 and the second mounting end 120, the hanging claw 20 is slidably connected with the connecting rod 10 along the axial direction of the connecting rod 10, and the hanging claw 20 is used for clamping the flange edge of the turbine rear casing 30.
The connecting rod 10 is a straight rod, so that the two lifting claws 20 are symmetrically distributed at the first mounting end 110 and the second mounting end 120 of the connecting rod 10 according to 180 degrees, and the quick and accurate positioning and mounting of the lifting appliance on the turbine rear casing 30 can be met without a plurality of holes.
The lifting appliance of the rear casing 30 of the turbine comprises an upper flange side and a lower flange side which are oppositely arranged, a plurality of hole sites are formed in the edges of the upper flange side and the lower flange side in the axial direction, and the lifting claw 20 is used for clamping the upper flange side of the rear casing 30 of the turbine.
Because the lifting claws 20 are slidably connected with the connecting rod 10, the radial distance between the two lifting claws 20 is adjustable to meet the requirement of rapid adjustment of the radial span, and the lifting claws 20 can be rapidly clamped into the mounting edge of the turbine rear casing 30 after adjustment.
Referring to fig. 2 and 3, in one embodiment, the lifting claw 20 includes a mounting portion 210 and a connecting portion 220, the mounting portion 210 is fixed on the connecting portion 220, the mounting portion 210 is sleeved on the connecting rod 10 and slidably connected with the connecting rod 10, and the connecting portion 220 is connected with a flange edge of the turbine rear casing 30 through a threaded connection.
Specifically, the connection part 220 and the mounting part 210 are vertically disposed, and in order to improve the mounting stability of the connection part 220 and the mounting part 210, a reinforcing rib is disposed between the connection part 220 and the mounting part 210.
For the threaded connection, the threaded connection may be a screw or a bolt, which is not limited herein.
The mounting portion 210 has a plate-like structure, and a clamping groove 221 is formed at an end portion of the mounting portion 210 facing away from the connecting portion 220, and the clamping groove 221 is used for clamping a flange edge of the turbine rear casing 30.
Specifically, at least one mounting hole 222 is formed in the connecting portion 220 of the lifting tool, and the lifting tool sequentially penetrates through the mounting hole 222 and the hole on the flange side of the turbine rear casing 30 through a threaded connecting piece to be connected with the turbine rear casing 30.
The number of the mounting holes 222 is described here by way of example, but is not limited thereto. The two mounting holes 222 are formed on two opposite sides of the connecting portion 220, so as to improve the connection stability between the connecting portion 220 and the flange of the turbine rear casing 30.
In one embodiment, each lifting claw 20 further includes a hollow guiding portion 230, the guiding portion 230 is disposed on a side surface of the mounting portion 210, the mounting portion 210 is provided with a through connection hole 233, the connection hole 233 is communicated with the guiding portion 230, the first mounting end 110 and the second mounting end 120 of the connecting rod 10 respectively pass through the connection hole 233 and the guiding portion 230 of the corresponding mounting portion 210, and the guiding portion 230 and the mounting portion 210 are sleeved on the connecting rod 10 and are slidably connected with the connecting rod 10; the guide 230 is connected to the connection rod 10 by a screw connection.
Specifically, the guide portion 230 has a cylindrical structure, and the guide portion 230 and the mounting portion 210 are both sleeved on the end portion of the connecting rod 10 to be connected with the connecting rod 10.
The connecting rod 10 is provided with at least one first positioning hole 130 which is arranged at intervals along the axial direction of the first mounting end 110 and the second mounting end 120 respectively; the guide portion 230 is provided with a second positioning hole 231 in an axial direction thereof, and the guide portion 230 sequentially penetrates through the first positioning hole 130 and the second positioning hole 231 through the threaded connection member to be connected with the connecting rod 10.
For the second positioning hole 231, the second positioning hole 231 may be a long hole. The extending direction of the long hole coincides with the axial direction of the guide portion 230. When the hanging claw 20 is connected with the connecting rod 10, the hanging claw 20 can be sleeved at the first mounting end 110 or the second mounting end 120 of the connecting rod 10, the connecting part 220 and the turbine rear casing 30 can be clamped, and then the hanging claw 20 is locked by sequentially penetrating through the first positioning hole 130 and the second positioning hole 231 through the plug connector.
In order to avoid the excessive first positioning holes 130 formed in the connecting rod 10, the second positioning holes 231 are long holes, so that the second positioning holes 231 can be matched and connected with the first positioning holes 130 at the corresponding positions during installation.
Specifically, the plug connector may be a plug pin, and the plug pin may be quickly inserted into the first positioning hole 130 and the second positioning hole 231 to limit the position of the lifting claw 20, so as to meet the overturning requirement of the rear casing 30 of the turbine.
In one embodiment, the hanging claw 20 is provided with a guiding groove 232 at the end of the guiding part 230 facing away from the mounting part 210, and the guiding groove 232 extends along the axial direction of the guiding part 230; the connecting rod 10 is provided with a guide block 140 slidably engaged with the guide groove 232.
That is, the guide block 140 is disposed on the connecting rod 10, so as to position the sliding direction between the lifting claw 20 and the connecting rod 10, so that the clamping groove 221 disposed on the connecting portion 220 always faces the flange on the turbine rear casing 30, thereby facilitating the installation and positioning of the lifting claw 20 and the flange.
In one embodiment, the rear case spreader further includes a lifting lug 40, the lifting lug 40 being inserted into the first and second mounting ends 110, 120 of the connecting rod 10.
The lifting lug 40 is used for connecting a crane, and is connected with the turbine rear casing 30 after being lifted by the crane during installation, so that freehand operation is avoided. The lifting lug 40 adopts a cylindrical structure, and under the assistance of traveling crane, the turbine rear casing 30 and the lifting appliance can integrally rotate along the axis of the lifting lug 40, so that the overturning requirement of the turbine rear casing 30 is met.
Referring to fig. 3 and 4, the connection rod 10 is provided with a coupling hole 150 in the first and second mounting ends 110 and 120, respectively, in the axial direction, and one end of the lifting lug 40 is inserted into the coupling hole 150 such that the lifting lug 40 is connected with the connection rod 10.
In some other embodiments, an end of the lifting lug 40 may also be sleeved on the end of the connecting rod 10, which is not limited herein.
Specifically, the present utility model relates to a method for manufacturing a semiconductor device. The lifting lug 40 is connected with the connecting rod 10 through screw thread fit. For example, an external thread is provided at one end of the lifting lug 40, and an internal thread adapted to the external thread is provided in the fitting hole 150. The lifting lug 40 is connected with the connecting rod 10 through threads, so that the connection stability of the connecting rod can be further improved.
In summary, the rear case lifting appliance of the utility model has at least the following advantages:
1. 180 degrees symmetry locates the both sides of connecting rod 10 between two lifting claws 20, need not to pass through the quick accurate location installation of hoist on turbine rear casing 30 of a casing.
2. The lifting claws 20 are matched with the mounting edge of the turbine rear casing 30 through clamping grooves, the two lifting claws 20 are in sliding fit with the connecting rod 10 so as to meet the requirement of rapid radial span adjustment, and the lifting claws 20 can be rapidly clamped into the mounting edge of the turbine rear casing 30 after adjustment.
3. The lifting claw 20 is provided with the second positioning hole 231, the connecting rod 10 is provided with the first positioning hole 130, the first positioning hole 130 and the second positioning hole 231 are sequentially penetrated through the bolt, the installation angle of the lifting claw 20 on the rear baffle of the casing can be rapidly locked, and the turnover requirement of the casing is met.
4. The guide groove 232 is formed in the lifting claw 20 and matched with the guide block 140 arranged on the connecting rod 10, so that the lifting claw 20 can only move linearly, the clamping groove is guaranteed to be parallel to the flange edge of the turbine rear casing 30, and the installation operation is facilitated.
5. The lifting lugs 40 are arranged on two sides of the connecting rod 10 and used for connecting a travelling crane, the lifting crane can be used for lifting the lifting tool during installation and then is connected with the turbine rear casing 30, free-hand operation is avoided, the lifting lugs 40 are of cylindrical structures, under the assistance of the travelling crane, the turbine rear casing 30 and the lifting tool can integrally rotate along the axis of the lifting lugs 40, and the overturning requirement of the turbine rear casing 30 is met.
This application uses specific words to describe embodiments of the application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present application may be combined as suitable.
While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting, but rather to the utility model, as will occur to those skilled in the art, without departing from the spirit and scope of the utility model. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model fall within the protection scope defined by the claims of the present utility model.
Claims (10)
1. A rear case spreader, comprising:
the connecting rod is provided with a first mounting end and a second mounting end which are oppositely arranged;
the connecting rod is provided with a hanging claw at the first installation end and the second installation end respectively, the hanging claw is in sliding connection with the connecting rod along the axial direction of the connecting rod, and the hanging claw is used for clamping the flange edge of the rear casing of the turbine.
2. The rear casing spreader of claim 1, wherein each of the lifting claws comprises a mounting portion and a connecting portion, the mounting portion is fixed to the connecting portion, the mounting portion is sleeved on the connecting rod and slidably connected to the connecting rod, and the connecting portion is connected to a flange edge of the turbine rear casing through a threaded connection.
3. The rear receiver spreader of claim 2, wherein each of the lifting claws further comprises a hollow guide portion provided on one side of the mounting portion, the mounting portion being provided with a through connection hole, the connection hole being in communication with the guide portion, the first and second ends of the connecting rod passing through the corresponding connection hole of the mounting portion and the guide portion, respectively;
the guide part is connected with the connecting rod through a threaded connecting piece.
4. The rear casing sling according to claim 3, wherein the connecting rod is provided with at least one first positioning hole arranged at intervals along the axial direction of the first mounting end and the second mounting end;
the guide part is provided with a second positioning hole in the axial direction, and the guide part sequentially penetrates through the first positioning hole and the second positioning hole through the plug connector so as to be connected with the connecting rod.
5. The rear casing hanger according to claim 3, wherein the hanging claw is provided with a guide groove at an end of the guide portion facing away from the mounting portion, the guide groove extending in an axial direction of the guide portion;
the connecting rod is provided with a guide block which is in sliding fit with the guide groove.
6. The rear casing sling according to claim 2, wherein a clamping groove is formed on one side of the connecting portion away from the mounting portion, and the clamping groove is used for clamping a flange edge of the rear casing of the turbine.
7. The rear casing sling according to claim 6, wherein the sling is provided with at least one mounting hole on the connection portion, and the sling is connected with the turbine rear casing by penetrating through the mounting hole and the hole on the flange side of the turbine rear casing in sequence through a threaded connection piece.
8. The rear case hanger of claim 1, further comprising a lifting lug inserted into the first and second mounting ends of the connecting rod.
9. The rear case hanger of claim 8, wherein the connecting rod is provided with a mating hole in the first mounting end and the second mounting end in the axial direction, respectively, and an end portion of the lifting lug is inserted into the mating hole, so that the lifting lug is connected with the connecting rod.
10. The rear case hanger of claim 9, wherein an end of the lifting lug is provided with external threads, and the mating hole is internally provided with internal threads adapted to the external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212621.3U CN220766266U (en) | 2023-08-16 | 2023-08-16 | Rear casing lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212621.3U CN220766266U (en) | 2023-08-16 | 2023-08-16 | Rear casing lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220766266U true CN220766266U (en) | 2024-04-12 |
Family
ID=90605362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212621.3U Active CN220766266U (en) | 2023-08-16 | 2023-08-16 | Rear casing lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220766266U (en) |
-
2023
- 2023-08-16 CN CN202322212621.3U patent/CN220766266U/en active Active
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