Lifting appliance for shot blasting of aeronautical forgings
By designing a shot blasting spreader for aviation forgings with multiple booms, the problem of difficulty in effectively lifting and cleaning of traditional spreaders is solved, and the efficient cleaning of the outer wall of forgings is achieved, product quality and production efficiency are improved, and ultra-high strength steel materials are used. Enhance the performance of the spreader.
Patent Information
- Application Number
- CN202323576745.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-26
AI Technical Summary
In the shot blasting process of aviation forgings, due to the large variety of forgings and complex structures, traditional spreaders are difficult to effectively lift and clean, resulting in large residual oxide scales, which affects product quality and production efficiency.
A sling for shot blasting of aerial forgings including a first and a second sling is designed, and an independent hanging part is formed through a plurality of sling rods along the circumference of the column to ensure that the outer wall of the forgings can be cleaned by the ball body. And use ultra-high strength steel materials to improve the mechanical properties and safety of the spreader.
It realizes the lifting of forgings of different sizes and quality at the same time, reduces scale residue, improves product quality, shortens production cycle, reduces costs, and improves the flexibility and safety of disassembly and assembly of the spreader.
Smart Images
Figure CN222134656U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of shot blasting, and in particular relates to a hanger for shot blasting of aviation forgings. Background Art
[0002] In recent years, the shot blasting process of aviation forgings still uses the traditional cleaning method of small forgings, that is, using chains to bundle multiple stacked forgings, and hoisting multiple stacked forgings in the shot blasting equipment through the chains for shot blasting. Due to the large variety of forgings and the complex structure of some forgings, the mass and volume are very large, among which the largest single piece has a mass of 3500kg and a volume of 3.5m 3 The main landing gear and other forgings have deep cavities and many dead corners, and multiple forgings block each other, resulting in a large amount of residual oxide scale on the surface of some forgings after shot blasting, which does not meet the quality requirements of the shot blasting process. These unqualified forgings need to be reworked, which prolongs the product production cycle, reduces production efficiency, and increases production costs. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a hoist for aviation forgings shot blasting, which can hoist a variety of forgings for shot blasting at the same time, improve product quality and production efficiency.
[0004] The technical solution adopted by the utility model to solve the technical problem is: a hanger for shot blasting of aviation forgings, comprising a first hanger, the first hanger comprising a first column, a first hooking portion is provided on the upper part of the first column, a first hanger protruding outward is provided on the outer wall of the first column, a plurality of the first hangers are provided, and the plurality of the first hangers are distributed along the circumference of the first column;
[0005] It also includes a second sling, which includes a second column coaxially connected to the lower part of the first column, and an outer wall of the second column is provided with a second suspension rod protruding outward; a first limit portion is provided at the cantilever end of the first suspension rod, and a second limit portion is provided at the cantilever end of the second suspension rod;
[0006] The second suspension rods are provided in plurality, and the plurality of second suspension rods are distributed along the circumference of the second column; the second suspension rods are arranged at intervals from the projections of the first suspension rods on the horizontal plane; the distance between the second limiting portion and the axis of the second column is greater than the distance between the first limiting portion and the axis of the first column;
[0007] A plurality of the first suspension rods are connected to form a first suspension portion, and the first suspension portion is an integral structure formed in one piece.
[0008] Furthermore, a first connecting portion is provided at the lower portion of the first column, and a second hooking portion is provided at the upper portion of the second column, and the second hooking portion is hooked and connected to the first connecting portion.
[0009] Furthermore, the first hooking portion and the second hooking portion are both self-locking hooks, and the first connecting portion is a lifting ring structure.
[0010] Furthermore, a second connecting portion is provided at the lower portion of the second column.
[0011] Furthermore, a plurality of second suspension rods are provided along the axial direction of the second column, and projections of the second suspension rods on the horizontal plane are arranged at intervals.
[0012] Furthermore, a plurality of second suspension rods are provided along the axial direction of the second column, and projections of the second suspension rods on the horizontal plane are arranged at intervals.
[0013] Furthermore, the first suspension rod is arranged along the radial direction of the first column, and the second suspension rod is arranged along the radial direction of the second column.
[0014] Furthermore, the first hanging part is made of ultra-high strength steel.
[0015] Furthermore, the first hanging part is made of 300M steel.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: providing a hanger for shot blasting of aviation forgings, which can simultaneously hoist aviation forgings of different sizes and different qualities, and then can simultaneously complete the shot blasting of multiple forgings, thereby improving production efficiency; by arranging the projections of the first hanger and the second hanger on the horizontal plane at intervals, the projections of the forgings after hoisting on the horizontal plane are independent of each other, and the forgings are arranged at intervals to ensure that the outer walls of the forgings can be cleaned by the shot body, reducing the residual amount of oxide scale on the outer wall of the forgings, improving product quality, shortening the production cycle, and saving costs; the first hanging part is set as an integral structure formed in one piece, improving the mechanical properties of the first hanging part, and avoiding deformation or breakage of the first hanger. The first hanger and the second hanger can be used separately or in combination, and can be flexibly disassembled and assembled. The material of the first hanging part is ultra-high strength steel or 300M steel, which improves the rigidity and strength of the hanger and improves production safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;
[0018] Figure numerals: 11-first sling; 11-first column; 12-first hooking part; 13-first suspension rod; 14-first connecting part; 15-first limiting part; 2-second sling; 21-second column; 22-second hooking part; 23-second suspension rod; 24-second connecting part; 25-second limiting part. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0020] As attached Figure 1 As shown, a hanger for shot blasting of aviation forgings includes a first hanger 1, the first hanger 1 includes a first column 11, a first hook portion 12 is provided on the upper portion of the first column 11, a first hanger rod 13 protruding outward is provided on the outer wall of the first column 11, a plurality of the first hangers 13 are provided, and the plurality of the first hangers 13 are distributed along the circumference of the first column 11; and a second hanger 2 is also included, the second hanger 2 includes a second column 21 coaxially connected to the lower portion of the first column 11, and the outer wall of the second column 21 is provided with a first hanger rod 13 protruding outward. A second suspension rod 23 protruding outward is provided; a first limiting portion 15 is provided at the cantilever end of the first suspension rod 13, and a second limiting portion 25 is provided at the cantilever end of the second suspension rod 23; a plurality of second suspension rods 23 are provided, and the plurality of second suspension rods 23 are distributed along the circumference of the second column 21; the projections of the second suspension rod 23 and the first suspension rod 13 on the horizontal plane are arranged at intervals; the distance from the second limiting portion 25 to the axis of the second column 21 is greater than the distance from the first limiting portion 15 to the axis of the first column 11. The "plurality" mentioned in this application refers to a number greater than or equal to two.
[0021] The first column 11 is used to install the first suspension rod 13 and the first hook 12; the first hook 12 is used to hang the entire suspension device inside the shot blasting equipment; the first suspension rod 13 is used to hang the main landing gear forgings and other large-volume and heavy-weight aviation forgings, and is suitable for hanging a single piece with a volume of 0.6m 3 ~3.5m 3 , aviation forgings with a single mass of 200kg to 3500kg; the first limiter 15 is used to limit the relative position of the forging on the first hanger 13 to prevent the forging from falling out. Generally speaking, the larger the mass of the forging, the larger the volume. The second column 21 is used to install multiple second hangers 23 and connect the second hanger 2 with the first hanger 1 as a whole; the second hanger 23 is used to hang aviation forgings with smaller volume and mass, and is suitable for hanging single pieces with a volume of 0.1m 3 ~0.6m 3 , forgings with a single piece mass of 30kg to 200kg. The second limiter 25 is used to limit the relative position of the forging on the second hanger 23 to prevent the forging sling from falling off. Compared with the second hanger 2, the structure of the first hanger 1 is more compact. When in use, the first hook 12 is hooked on the lifting hook of the shot blasting machine, and then the 200kg to 3500kg forgings are tied with slings and hung on the first hanger 13, and the aviation forgings below 200kg are tied with chains and hung on the second hanger 23. Finally, the shot blasting elevator is started, and the lifting hook drives the entire hanger and the aviation forgings to move synchronously to the internal station of the shot blasting machine to start the shot blasting operation.
[0022] The load-bearing capacity of the utility model can reach 10 tons, wherein the load-bearing capacity of the second sling 2 can reach 2 tons.
[0023] The plurality of first suspension rods 13 uniformly distributed along the circumference of the first column 11 may be independent structures, and the plurality of first suspension rods 13 are welded to the first column 11, but considering that the mass of the forgings on the first suspension rods 13 is relatively large, preferably, the plurality of first suspension rods 13 are connected to form a first hanging part, and the first hanging part is an integrally formed structure, which indirectly strengthens the strength of the first suspension rod 13 and prevents its deformation or breakage. The first hanging part may be integrally cut or integrally cast.
[0024] The device can simultaneously hoist aviation forgings of different sizes and qualities, and can then simultaneously complete shot blasting of a variety of forgings, thereby improving production efficiency; by arranging the projections of the first hoisting rod 13 and the second hoisting rod 23 on the horizontal plane at intervals, the projections of the hoisted forgings on the horizontal plane are independent of each other, and the forgings are arranged at intervals to ensure that the outer walls of the forgings can be cleaned by the shot bodies, thereby reducing the residual amount of oxide scale on the outer walls of the forgings, improving product quality, shortening the production cycle, and saving costs.
[0025] The first column 11 and the second column 21 are connected up and down so that the first sling 1 and the second sling 2 are connected to form a composite sling. The first column 11 and the second column 21 can be an integral structure formed in one piece, but when the forgings required for shot blasting are small, the entire device still needs to be hoisted into the shot blasting device, which wastes resources. In contrast, the first column 11 and the second column 21 can be set as independent structures, and the two are connected as a whole by welding, pin connection, bolt connection, etc. Preferably, the first column 11 is provided with a first connecting portion 14 at the lower part, and the second column 21 is provided with a second hooking portion 22 at the upper part, and the second hooking portion 22 is hooked and connected with the first connecting portion 14, and the disassembly and assembly are flexible, so that the first sling 1 and the second sling 2 can be used separately or in combination. For example, when only large aviation forgings need to be cleaned, the second sling 2 can be removed; when only small aviation forgings need to be cleaned, the first sling 2 can be removed. As a further preference, a second connecting portion 24 is provided at the lower portion of the second column 21 for connecting other slings. For example, the first hooking portion 11 of the first sling 1 can be hooked and connected to the second connecting portion 24 at the lower portion of the second sling 2, so that large-mass and large-volume forgings are at the bottom, and small-mass and small-volume forgings are at the top. At least one of the second hooking portion 22 and the first connecting portion 14 is a hook structure, and the first hooking portion 12 and the second connecting portion 24 can be a hook structure or a ring structure. The above-mentioned hook structure can be an open hook, a self-locking hook or a sliding locking hook, etc. Preferably, the first hooking portion 12 and the second hooking portion 22 are both self-locking hooks, and the first connecting portion 14 is a ring structure, so as to avoid the occurrence of unhooking safety accidents, enhance the safety of lifting, and facilitate disassembly and assembly.
[0026] Preferably, a plurality of second hangers 23 are arranged along the axial direction of the second column 21, and the projections of the second hangers 23 on the horizontal plane are arranged at intervals. The device can hang a larger number of small-mass and small-volume forgings and perform shot blasting operations at the same time, thereby ensuring product quality and improving production efficiency.
[0027] Preferably, a plurality of the first hangers 13 are evenly distributed along the circumference of the first column 11; and a plurality of the second hangers 23 are evenly distributed along the circumference of the second column 21, so as to improve the balance of the sling. The first hangers 13 and the second hangers 23 can be arranged in a horizontal direction, or can be arranged from the inside to the outside and tilted upward or tilted downward. Preferably, the first hangers 13 are arranged radially along the first column 11, and the second hangers 23 are arranged radially along the second column 21, so as to facilitate the manufacture and assembly connection. The first limiting portion 15 and the second limiting portion 25 have a variety of structural forms, which can be limiting grooves, and the chains binding the forgings are bound in the limiting grooves; they can also be vertical bars or baffles to prevent the forgings or the chains binding the forgings from falling out of the sling.
[0028] In order to further improve the strength of the first hanging part, preferably, the first hanging part is made of ultra-high strength steel. Ultra-high strength steel is a type of alloy steel used to manufacture structural parts that withstand higher stresses. Generally, the yield strength is greater than 1180MPa and the tensile strength is greater than 1380MPa. This type of steel generally has sufficient toughness and higher specific strength and yield strength ratio, as well as good weldability and formability. Specifically, the material of the first hanging part is 300M steel, which is a low-alloy ultra-high strength steel with high strength, high fracture toughness and excellent fatigue performance. After standard heat treatment oil quenching and tempering, its tensile strength can reach more than 1860MPa, which is the currently highest strength low-alloy ultra-high strength steel in use.
[0029] The above is a specific implementation method of the utility model. It can be seen from the implementation process that the utility model provides a hanger for shot blasting of aviation forgings, which can simultaneously hoist aviation forgings of different sizes and different qualities, and then can simultaneously complete the shot blasting of multiple forgings, thereby improving production efficiency; by arranging the projections of the first hanger and the second hanger on the horizontal plane at intervals, the projections of the forgings after hoisting on the horizontal plane are independent of each other, and the forgings are arranged at intervals to ensure that the outer walls of the forgings can be cleaned by the shot body, reducing the residual amount of oxide scale on the outer wall of the forgings, improving product quality, shortening the production cycle, and saving costs. The first hanger and the second hanger can be used separately or in combination, and are flexible to disassemble and assemble.
Claims
1. A hanger for shot blasting of aviation forgings, comprising a first hanger (1), the first hanger (1) comprising a first column (11), a first hooking portion (12) being provided on the upper portion of the first column (11), a first hanger rod (13) protruding outward being provided on the outer wall of the first column (11), a plurality of the first hangers (13) being provided, and the plurality of the first hangers (13) being distributed along the circumference of the first column (11); characterized in that: The second sling (2) further comprises a second column (21) coaxially connected to the lower part of the first column (11), and the outer wall of the second column (21) is provided with a second suspension rod (23) protruding outward; the cantilever end of the first suspension rod (13) is provided with a first limiting portion (15), and the cantilever end of the second suspension rod (23) is provided with a second limiting portion (25); A plurality of the second suspension rods (23) are provided, and the plurality of the second suspension rods (23) are distributed along the circumference of the second column (21); the second suspension rods (23) and the projections of the first suspension rod (13) on the horizontal plane are arranged at intervals; the distance from the second limiting portion (25) to the axis of the second column (21) is greater than the distance from the first limiting portion (15) to the axis of the first column (11); A plurality of the first suspension rods (13) are connected to form a first suspension portion, and the first suspension portion is an integrally formed structure.
2. The hanger for shot blasting of aviation forgings according to claim 1, characterized in that: A first connecting portion (14) is provided at the lower part of the first column (11), and a second hooking portion (22) is provided at the upper part of the second column (21), wherein the second hooking portion (22) is hooked and connected to the first connecting portion (14).
3. The hanger for shot blasting of aviation forgings according to claim 2, characterized in that: The first hooking portion (12) and the second hooking portion (22) are both self-locking hooks, and the first connecting portion (14) is a lifting ring structure.
4. The hanger for shot blasting of aviation forgings according to claim 2, characterized in that: A second connecting portion (24) is provided at the lower portion of the second column (21).
5. The hanger for shot blasting of aviation forgings according to claim 1, characterized in that: A plurality of second suspension rods (23) are arranged along the axial direction of the second column (21), and projections of the second suspension rods (23) on the horizontal plane are arranged at intervals.
6. The hanger for shot blasting of aviation forgings according to claim 1, characterized in that: A plurality of second suspension rods (23) are arranged along the axial direction of the second column (21), and projections of the second suspension rods (23) on the horizontal plane are arranged at intervals.
7. The hanger for shot blasting of aviation forgings according to claim 1, characterized in that: The first suspension rod (13) is arranged along the radial direction of the first column (11), and the second suspension rod (23) is arranged along the radial direction of the second column (21).
8. The hanger for shot blasting of aviation forgings according to any one of claims 1 to 7, characterized in that: The first hanging part is made of ultra-high strength steel.
9. The hanger for shot blasting of aviation forgings according to claim 8, characterized in that: The first hanging part is made of 300M steel.