CN217230865U

CN217230865U - Skin part heat treatment tool

Info

Publication number: CN217230865U
Application number: CN202220931975.6U
Authority: CN
Inventors: 曹俊华; 王树强; 陈美�; 何佳颉; 李沙沙; 徐静
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-19
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of the sheet metal component takes shape and makes, a covering part thermal treatment frock is disclosed, including outer frame and internal frame. The outer frame includes first chassis, first roof-rack and first perpendicular roof beam, and the both ends of first perpendicular roof beam are connected in first chassis and first roof-rack respectively perpendicularly, are connected with a supporting beam on the first roof-rack, are provided with the draw-in groove on the first chassis. The internal frame includes that second chassis, second roof-rack and second erect the roof beam, and the both ends that the second erected the roof beam are connected respectively in second chassis and second roof-rack, are provided with the support bar on the internal frame, and the support bar is used for fixed covering part, and the internal frame can incline to place in outer frame, and the top of internal frame is taken and is established on a supporting beam, and the bottom card of internal frame is in the draw-in groove, all is provided with the second lug on first roof-rack and the second roof-rack, and the covering part is in vertical state when the internal frame is hoisted. The tool can ensure that the skin part vertically enters the quenching water tank, and effectively avoids the deformation of the skin part due to the inclined water entering.

Description

Skin part heat treatment tool

Technical Field

The utility model relates to a sheet metal component takes shape and makes technical field, especially relates to a covering part thermal treatment frock.

Background

The aircraft skin part is a dimensional component which is wrapped outside an aircraft framework structure and is fixed on the framework by an adhesive or rivets to form the aerodynamic shape of the aircraft. The skin part bears the aerodynamic action and then transmits the acting force to the connected fuselage wing framework, the stress is complex, and in addition, the skin part is directly contacted with the outside, so that the skin part not only requires high strength and good plasticity of the material, but also requires smooth surface and higher corrosion resistance.

The skin parts of the airplane need to be subjected to heat treatment in the manufacturing process and cannot completely vertically enter a furnace due to the limitation of the shape and the size of heating equipment. The traditional heat treatment process adopts simple heat treatment tools to support parts, the simple material racks are general tools, the skin parts are obliquely placed on the tools, and after the heat treatment of the skin parts is completed, the tools are directly hoisted to enter a quenching water tank for quenching, so that the skin parts are in a non-vertical state when entering water, and the deformation risk of the skin parts is greatly increased. Because the deformation of the large or thin skin parts cannot be controlled, the difficulty of the subsequent sizing procedure is increased, and therefore the traditional simple tool is poor in applicability.

The importance of skin parts as stressed components of an aircraft is self-evident, and therefore it is necessary to design a special tooling based on the shape of the part to fit the actual production capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a covering part thermal treatment frock, this frock can guarantee that the covering part gets into the quenching basin perpendicularly, effectively avoids the covering part to go into the water and takes place to warp because of the slope.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a covering part thermal treatment frock, includes:

the outer frame comprises a first bottom frame, a first top frame and a first vertical beam, the first top frame is formed by connecting four cross beams to form a rectangular frame, one end of the first vertical beam is vertically connected to the first top frame, the other end of the first vertical beam is vertically connected to the first bottom frame, a first lifting lug is arranged on the first top frame, a supporting beam is connected to the first top frame, and a clamping groove is formed in the first bottom frame;

the inner frame, the inner frame includes that second chassis, second roof-rack and second erect the roof beam, the second erect the one end of roof beam connect perpendicularly in the second roof-rack, the other end that the second erected the roof beam connect perpendicularly in the second chassis, be provided with the support bar on the inner frame, the support bar is used for fixed covering part, be provided with the second lug on the second roof-rack, the inner frame can incline to place in the outer frame, just set up the top of inner frame on the supporting beam, the bottom card of inner frame is in the draw-in groove, when the inner frame was hung the covering part is in vertical state.

Optionally, a stop beam is arranged on the outer frame, the stop beam is arranged in a diagonal direction of the support beam, and the stop beam can stop the inner frame from being drawn out of the outer frame.

Optionally, the support beam includes a horizontal beam and a vertical beam, the two vertical beams are respectively and vertically connected to two ends of the horizontal beam, and one end of the vertical beam, which is far away from the horizontal beam, is connected to the first top frame.

Optionally, with the supporting beam overlap joint be provided with the supporting legs on the second erects the roof beam, the supporting legs has horizontal part and vertical portion, the horizontal part with vertical portion is the angle and connects, vertical portion with the second erects the roof beam and connects, the horizontal part can the overlap joint be in on the horizontal beam.

Optionally, a connecting portion is disposed on the second vertical beam overlapping the support beam, and the vertical portion is fixedly connected to the connecting portion.

Optionally, the connecting portion and the vertical portion are connected by a bolt.

Optionally, the clamping groove is an angle steel, and an avoiding opening is formed in the angle steel.

Optionally, the first lifting lugs are four in number, and the four first lifting lugs are respectively arranged at four corners of the first top frame.

Optionally, the number of the second lifting lugs is four, and the four second lifting lugs are respectively arranged at four corners of the second top frame.

Optionally, a reinforcing beam is connected between at least two of the first vertical beams. And a reinforcing beam is connected between at least two first vertical beams.

Has the advantages that:

the utility model provides a covering part thermal treatment frock adopts split type structure, and the covering part is placed on the support bar of inner frame, and when heating, the inner frame slope is placed among outer frame, during the quenching, hoists the inner frame alone to realize the perpendicular income water of covering part. The outer frame forms a frame structure through first roof-rack, first chassis and first perpendicular roof beam, and wherein the first roof-rack adopts four crossbeams to enclose into the rectangle frame to the inner frame can be followed the top hoist and mount of outer frame and got into or hung out. The both ends of first perpendicular roof beam are connected with first roof-rack, first chassis are perpendicular respectively, form the cuboid wholly, guarantee sufficient structural strength and stability, can provide stable support for internal frame and covering part. And a lifting lug is arranged on the first top frame and used for lifting the whole body to enter the heating equipment. In addition, still be provided with a supporting beam on the first roof-rack to set up the draw-in groove on first chassis, thereby the top of internal frame can be set up on a supporting beam, during the draw-in groove was gone into to the bottom card, prevent to rock or follow the roll-off in the outer frame. The inner frame is used as a bearing frame of the skin part, and a second top frame, a second bottom frame and a second vertical beam are connected to form a frame structure, so that the stability of the whole structure is ensured. The second top frame is provided with a lifting lug for lifting. When the inner frame is erected in the outer frame, the inner frame is in an inclined state, and meanwhile, the skin part is also in an inclined state, and the inclination angle of the skin part is the same as that of the inner frame, so that when the inner frame is lifted, the skin part and the outer frame are in a vertical state, and the skin part can vertically enter water. The skin part and the inner frame are bound and fixed, so that the skin part is prevented from sliding off the inner frame when the inner frame is lifted. This frock simple structure, the dress hangs conveniently steadily, through being split type with the frock design, can realize supporting the covering part among the heating process, finishes the heating at the covering part and changes to the quenching in-process, and the internal frame is hung in the driving change, lifts by crane and transports to the quenching basin in, realizes that the covering part goes into water perpendicularly, and to a great extent has avoided the deformation of part.

Drawings

Fig. 1 is a first schematic view of the assembly of the inner frame and the outer frame provided by the present invention;

fig. 2 is a second schematic view of the assembly of the inner frame and the outer frame provided by the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a partially enlarged view at B in fig. 2.

In the figure:

101. a first chassis; 102. a first top frame; 103. a first vertical beam; 104. a first lifting lug; 105. a support beam; 106. blocking the beam; 107. a card slot; 201. a second chassis; 202. a second head frame; 203. a second vertical beam; 204. a second lifting lug; 205. a supporting strip; 206. support the feet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 3, the present embodiment provides a skin part heat treatment tool, which includes an outer frame and an inner frame. The outer frame comprises a first bottom frame 101, a first top frame 102 and a first vertical beam 103, wherein the first top frame 102 is formed by connecting four cross beams to form a rectangular frame, one end of the first vertical beam 103 is vertically connected to the first top frame 102, the other end of the first vertical beam 103 is vertically connected to the first bottom frame 101, a first lifting lug 104 is arranged on the first top frame 102, a supporting beam 105 is connected to the first top frame 102, and a clamping groove 107 is formed in the first bottom frame 101. The inner frame includes second chassis 201, second roof-rack 202 and second vertical beam 203, the one end of second vertical beam 203 is connected perpendicularly in second roof-rack 202, the other end of second vertical beam 203 is connected perpendicularly in second chassis 201, be provided with support bar 205 on the inner frame, support bar 205 is used for fixed covering part, be provided with second lug 204 on the second roof-rack 202, the inner frame can incline to place in outer frame, and the top of inner frame is taken on supporting beam 105, the bottom card of inner frame is in draw-in groove 107, covering part is in vertical state when the inner frame is hoisted.

The skin part heat treatment tool adopts a split structure, the skin part is placed on the supporting strips 205 of the inner frame, the inner frame is obliquely placed in the outer frame during heating, and the inner frame is independently hoisted during quenching, so that the skin part is vertically immersed in water. The outer frame forms a frame structure through a first top frame 102, a first bottom frame 101 and a first vertical beam 103, wherein the first top frame 102 adopts four cross beams to surround a rectangular frame, so that the inner frame can be hoisted in or out from the top of the outer frame. The two ends of the first vertical beam 103 are respectively vertically connected with the first top frame 102 and the first bottom frame 101, so that a cuboid is integrally formed, sufficient structural strength and stability are guaranteed, and stable support can be provided for inner frames and skin parts. Lifting lugs are arranged on the first top frame 102 and used for lifting the whole body to enter the heating equipment. In addition, a support beam 105 is disposed on the first top frame 102, and a locking groove 107 is disposed on the first bottom frame 101, so that the top of the inner frame can be placed on the support beam 105, and the bottom of the inner frame can be locked into the locking groove 107, thereby preventing the inner frame from shaking or sliding out of the outer frame. The inner frame is used as a bearing frame of the skin part, and a second top frame 202, a second bottom frame 201 and a second vertical beam 203 are connected to form a frame structure, so that the stability of the whole structure is ensured. The second top frame 202 is provided with a lifting lug for lifting. When the inner frame is erected in the outer frame, the inner frame is in an inclined state, and meanwhile, the skin part is also in an inclined state, and the inclination angle of the skin part is the same as that of the inner frame, so that when the inner frame is hoisted, the skin part and the outer frame are in a vertical state, and the skin part can vertically enter water. The skin part and the inner frame are bound and fixed, so that the skin part is prevented from sliding off the inner frame when the inner frame is lifted. This frock simple structure, the dress hangs conveniently steadily, through being split type with the frock design, can realize supporting the covering part among the heating process, finishes the heating at the covering part and changes to the quenching in-process, and the internal frame is hung in the driving change, lifts by crane and transports to the quenching basin in, realizes that the covering part goes into water perpendicularly, and to a great extent has avoided the deformation of part.

With continued reference to fig. 1 to 3, the inner frame and the outer frame in this embodiment are made of angle steel, the first bottom frame, the second bottom frame, and the second top frame are connected by using cross beams to form a rectangular frame, and adjacent members are connected by welding. Support blocks are arranged at four corners of the bottom of the first chassis 101 to support the whole structure. It will be appreciated that the dimensions of the outer frame are designed according to the dimensions of the heating device, ensuring that the outer frame can enter the heating device. The size of the inner frame is designed according to the sizes of the outer frame and the skin parts, the inner frame can be placed in the outer frame and is limited by the size of the heating equipment, the skin parts and the inner frame are in an inclined state in the heating equipment, and therefore the inner frame can be placed in the outer frame in an inclined mode. In other embodiments, the outer frame and the inner frame may be formed by connecting other types of members, and the connecting manner between the members may be welding or riveting.

Further, the supporting bar 205 is disposed in parallel to the second vertical beam 203, and both ends of the supporting bar 205 are vertically connected to the second top frame 202 and the second bottom frame 201, respectively. The supporting bars 205 are used for fixing the skin parts, so that after the inner frame is lifted, the skin parts should be ensured to be in a vertical state, and in order to prevent the skin parts from falling off from the inner frame, the skin parts and the supporting bars 205 can be bound by using other binding bands such as aluminum wires. The inner frame is of a frame structure, and the supporting bars 205 can be arranged in plurality. In this embodiment, two support bars 205 are provided, the two support bars 205 are arranged obliquely relatively, the interval between the upper ends is small, and the interval between the lower ends is large, so that skin parts with long sizes can be placed on the support bars 205. The number and the arrangement positions of the support bars 205 are set according to the shape of the skin parts, and are not particularly limited to this, as long as the skin parts are in a vertical state after the inner frame is hoisted. The arrangement of the support bars 205 enables a plurality of skin parts to be subjected to heat treatment simultaneously, the internal space of the heating equipment is fully utilized, and meanwhile, the treatment efficiency of the skin parts is increased.

Further, a reinforcing beam is connected between at least two first vertical beams 103. Referring to fig. 3, in the present embodiment, two reinforcing beams are provided, the reinforcing beams are connected between two adjacent first vertical beams 103, are located in the middle of the first vertical beams 103, and are horizontally disposed. In other embodiments, the reinforcing beams may be arranged obliquely, and the number of the reinforcing beams may be one, three, or four, as long as the reinforcing beams can reinforce the structural strength and stability.

Further, referring to fig. 4, the support beam 105 includes a horizontal beam and two vertical beams, the two vertical beams are respectively perpendicularly connected to both ends of the horizontal beam, and one ends of the vertical beams, which are far away from the horizontal beam, are connected to the first head frame 102. The horizontal beams are arranged parallel to the first head frame 102 and the vertical beams are arranged parallel to the first vertical beams 103. The position of the support beam 105 is determined according to the laying position of the inner frame.

Further, a supporting foot 206 is arranged on the second vertical beam 203 overlapped with the supporting beam 105, the supporting foot 206 is provided with a horizontal part and a vertical part, the horizontal part is connected with the vertical part at an angle, the vertical part is connected with the second vertical beam 203, and the horizontal part can be overlapped on the horizontal beam. The provision of the support feet 206 enables the inner frame to be placed smoothly within the outer frame. Because the horizontal beam is horizontally arranged, the horizontal part is horizontally arranged, and the contact surfaces of the horizontal part and the horizontal part can be jointed.

Further, a connecting portion is provided on the second vertical beam 203 overlapping the support beam 105, and the vertical portion is fixedly connected to the connecting portion. The connecting portion extends perpendicular to the second vertical beam 203 in the direction of the support beam 105 and is provided with a through hole for connecting with the support foot 206. Optionally, the vertical portion is also provided with a through hole, and the connecting portion and the vertical portion are connected through a bolt. The connection mode of bolt connection is adopted, the connection is convenient and reliable, and the angle between the connecting part and the vertical part is adjustable. Of course, the connecting portion and the vertical portion may be fixedly connected by welding.

Further, four first lifting lugs 104 are provided, and the four first lifting lugs 104 are respectively provided at four corners of the first top frame 102. Lifting lugs are arranged at four corners of the first top frame 102, so that the lifting stability can be ensured. Of course, in order to increase the stability of the hoisting, the first lifting lug 104 may be added in the middle of the beam of the first top frame 102. Optionally, four second lifting lugs 204 are also provided, and the four second lifting lugs 204 are respectively provided at four corners of the second top frame 202. The four second lifting lugs 204 are arranged in a central symmetry mode, so that the situation that the inner frame is inclined in the hoisting process and the skin part cannot vertically enter water is avoided.

Further, the outer frame is provided with a stop beam 106, the stop beam 106 is arranged in the diagonal direction of the support beam 105, and the stop beam 106 is arranged to stop the inner frame from sliding out of the outer frame. Specifically, the stop beam 106 is horizontally disposed, and two ends of the stop beam 106 are respectively connected to the first vertical beam 103, so that when the inner frame is placed in the outer frame, the stop beam 106 can abut against the second vertical beam 203, thereby preventing the inner frame from moving.

Further, the clamping groove 107 is an angle steel, an avoiding opening is formed in the angle steel, and two ends of the angle steel are connected to the two opposite cross beams of the first chassis 101 respectively. The angle steel includes a horizontal side and a vertical side, and the cross beam of the first chassis 101 is blocked by the vertical side. The avoidance opening is formed in the vertical edge, so that interference between the second vertical beam 203 and the support bar 205 and the vertical edge is avoided when the inner frame and the outer frame are assembled.

The process of carrying out the heat treatment on the skin part by adopting the tool comprises the following steps:

the skin elements are fixed vertically to the support bars 205 of the inner frame using aluminum wires or other straps. Four hooks of a crane upper hanging chain are hung on the first lifting lug 104, an inner frame provided with a skin part is lifted and obliquely placed in the outer frame, supporting feet 206 of the inner frame are enabled to be erected on the supporting beams 105, the second underframe 201 of the inner frame is clamped in the clamping grooves 107, and the stop beams 106 abut against the second vertical beams 203. And hoisting the outer frame through the first lifting lug 104, and moving the skin part into heat treatment equipment for heating and heat preservation. After heating and heat preservation are finished, the four hooks of the hanging chain are taken down from the first lifting lug 104 and hung on the second lifting lug 204 of the inner frame by using longer quenching hooks, and when a crane lifts and hangs the crane, the inner frame is separated from the supporting beam 105, the stop beam 106 and the clamping groove 107 and carries skin parts to vertically dip into a quenching water tank.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a covering part thermal treatment frock which characterized in that includes:

the outer frame comprises a first bottom frame (101), a first top frame (102) and a first vertical beam (103), wherein the first top frame (102) is formed by connecting four cross beams to form a rectangular frame, one end of the first vertical beam (103) is vertically connected to the first top frame (102), the other end of the first vertical beam (103) is vertically connected to the first bottom frame (101), a first lifting lug (104) is arranged on the first top frame (102), a supporting beam (105) is connected to the first top frame (102), and a clamping groove (107) is formed in the first bottom frame (101);

the inner frame, the inner frame includes second chassis (201), second roof-rack (202) and second and erects roof beam (203), the one end of second perpendicular roof beam (203) connect perpendicularly in second roof-rack (202), the other end of second perpendicular roof beam (203) connect perpendicularly in second chassis (201), be provided with support bar (205) on the inner frame, support bar (205) are used for fixed covering part, be provided with second lug (204) on second roof-rack (202), the inner frame can be placed in the slope in the outer frame, just the top of inner frame is taken and is established on supporting beam (105), the bottom card of inner frame is in draw-in groove (107), when the inner frame is hoisted the covering part is in vertical state.

2. The skin part heat treatment tool according to claim 1, wherein a stop beam (106) is arranged on the outer frame, the stop beam (106) is arranged in a diagonal direction of the support beam (105), and the stop beam (106) can block the inner frame from being scratched out of the outer frame.

3. The skin part heat treatment tool according to claim 1, wherein the support beam (105) comprises a horizontal beam and two vertical beams, the two vertical beams are respectively and vertically connected to two ends of the horizontal beam, and one ends of the vertical beams, which are far away from the horizontal beam, are connected to the first top frame (102).

4. The skin part heat treatment tool according to claim 3, characterized in that supporting feet (206) are arranged on the second vertical beams (203) overlapped with the supporting beams (105), each supporting foot (206) is provided with a horizontal portion and a vertical portion, the horizontal portion is in angular connection with the vertical portion, the vertical portion is connected with the second vertical beams (203), and the horizontal portion can be overlapped on the horizontal beams.

5. The skin part heat treatment tool according to claim 4, wherein a connecting portion is arranged on the second vertical beam (203) overlapped with the support beam (105), and the vertical portion is fixedly connected to the connecting portion.

6. The skin part heat treatment tool according to claim 5, wherein the connecting portion is connected with the vertical portion through a bolt.

7. The skin part heat treatment tool according to claim 1, wherein the clamping groove (107) is an angle steel, and an avoiding opening is formed in the angle steel.

8. The skin part heat treatment tool according to claim 1, characterized in that the number of the first lifting lugs (104) is four, and the four first lifting lugs (104) are respectively arranged at four corners of the first top frame (102).

9. The skin part heat treatment tool according to claim 1, wherein the number of the second lifting lugs (204) is four, and the four second lifting lugs (204) are respectively arranged at four corners of the second top frame (202).

10. The skin part heat treatment tool according to claim 1, wherein a reinforcing beam is connected between at least two first vertical beams (103).