Diameter-variable self-adaptive butt joint rack car

Abstract

The utility model relates to a diameter-variable self-adaptive butt joint rack car, and belongs to the field of aircraft manufacturing. The frame is of a frame structure; the two universal wheels and the two directional wheels are respectively mounted at four corners of the bottom of the frame; the two universal wheels are symmetrically arranged, and the two directional wheels are symmetrically arranged; the four lifting hand wheels are respectively mounted at four corners of the top of the frame; each lifting hand wheel is matched with one lifting screw rod; two lifting screw rods form a group; one supporting base is mounted at the top of each group of lifting screw rods; two ball head rod end joint bearings are symmetrically mounted on the upper surface of each supporting base; an arc-shaped supporting block is mounted at the top of each ball head rod end joint bearing; one fastening belt is mounted between the two arc-shaped supporting blocks in each group; the utility model provides a diameter-variable self-adaptive butt-joint unwheeling, which is convenient to use, store and maintain, and reduces the production and manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aircraft manufacturing, and relates to a variable-diameter self-adaptive docking frame trolley. BACKGROUND

[0002] In the general assembly of small and medium-sized aircraft, the assembly and docking of cabin sections are mainly carried out by using docking frame trolleys; the existing docking frame trolleys are mainly designed and manufactured for single cabin sections and are only suitable for cabin sections with specific diameters, shape curves and lengths. Since missile products are basically single-piece and small-batch production, and the diameters, shape curves and lengths of cabin sections of various types are all different, the types and quantities of docking frame trolleys are numerous, which makes the use, storage and maintenance of docking frame trolleys extremely inconvenient and increases the production manufacturing cost. SUMMARY

[0003] The utility model solves the technical problem that the utility model overcomes the insufficient prior art, proposes a variable-diameter self-adaptive docking frame trolley, provides a variable-diameter self-adaptive docking frame trolley, facilitates the use, storage and maintenance of the docking frame trolley and reduces the production manufacturing cost.

[0004] The technical solution of the utility model is as follows:

[0005] A variable-diameter self-adaptive docking frame trolley, comprising a frame, four lifting screws, four lifting handwheels, two supporting bases, four arc-shaped supporting blocks, two fastening belts, four ball head rod end joint bearings, two universal wheels and two directional wheels;

[0006] The frame is of a frame structure; the two universal wheels and the two directional wheels are respectively installed at the four corners of the bottom of the frame; the two universal wheels are symmetrically arranged, and the two directional wheels are symmetrically arranged; the four lifting handwheels are respectively installed at the four corners of the top of the frame; each lifting handwheel is matched with one lifting screw; the two lifting screws form a group; one supporting base is installed at the top of each group of lifting screws; two ball head rod end joint bearings are symmetrically installed on the upper surface of each supporting base; one arc-shaped supporting block is installed at the top of each ball head rod end joint bearing; one fastening belt is installed between the two arc-shaped supporting blocks of each group; and one external cabin section to be docked is bound to each fastening belt.

[0007] In the above-mentioned variable-diameter self-adaptive docking frame trolley, the lifting screw is axially vertically through the center of the lifting handwheel; the lifting handwheel is matched with the lifting screw through trapezoidal threads; and the vertical height of the lifting screw is adjusted by rotating the lifting handwheel.

[0008] In the above-mentioned variable-diameter self-adaptive docking frame trolley, four guide holes are arranged on the top of the frame; each lifting screw is passed through one guide hole at the bottom; and the lifting screw is guided through the guide hole.

[0009] In the variable-diameter self-adaptive docking frame vehicle, the two lifting hand wheels on the same support base are rotated to lift the two external cabin sections to be docked, so that the axes of the two external cabin sections to be docked are kept horizontal during the assembly and docking process, and the axes of the two cabin sections are kept coincident during the docking process.

[0010] In the variable-diameter self-adaptive docking frame vehicle, the two arc-shaped support blocks of each group are symmetrically inclined outward, so that the fastening belts installed between the two arc-shaped support blocks are in an arc-shaped structure.

[0011] In the variable-diameter self-adaptive docking frame vehicle, the two universal wheels are located on one side of the bottom of the frame, the two directional wheels are located on the other side of the bottom of the frame, the two universal wheels are located below one group of lifting screws, and the two directional wheels are located below the other group of lifting screws.

[0012] In the variable-diameter self-adaptive docking frame vehicle, the top of the ball head rod end joint bearing has a conical rotating area with a certain angle, so that the corresponding arc-shaped support block can be adaptively adjusted relative to the external cabin section to be docked.

[0013] In the variable-diameter self-adaptive docking frame vehicle, the support surface of the arc-shaped support block is bonded with a 10mm-thick felt, so that the felt can prevent the external cabin section to be docked from being bumped, reduce vibration during transportation, and increase friction; at the same time, the felt can convert the linear contact between the arc-shaped support block and the external cabin section to be docked into surface contact; an anti-static cloth is arranged on the surface of the felt, so that the anti-static cloth can eliminate static accumulation of the external cabin section to be docked.

[0014] In the variable-diameter self-adaptive docking frame vehicle, the fastening belt is in an elastic belt structure, so that the external cabin section to be docked can be tightly fixed.

[0015] In the variable-diameter self-adaptive docking frame vehicle, the docking process of the docking frame vehicle is as follows:

[0016] The docking frame vehicle moves to a specified position through the two universal wheels and the two directional wheels, and the wheels are locked; then, the two groups of fastening belts on the arc-shaped support blocks are loosened; the arc-shaped support blocks on the support base are adjusted to appropriate positions by adjusting the front and rear groups of lifting hand wheels to drive the lifting screws to lift; the external cabin section to be docked is lifted onto the docking frame vehicle, and the front and rear support positions of the external cabin section to be docked are adjusted; the arc-shaped support blocks are adaptively supported on the external cabin section to be docked by using the ball head rod end joint bearing; the cabin section is fixed on the arc-shaped support block by using the fastening belt, and the external cabin section to be docked is firmly fixed by using the pressing force of the fastening belt and the friction of the arc-shaped support block; similarly, the other external cabin section to be docked is adjusted, so that the axes of the two external cabin sections to be docked are coincident, and the docking is achieved.

[0017] The utility model discloses compared with prior art has beneficial effect is:

[0018] (1) the utility model discloses the docking frame car passes through the ball head rod end joint bearing and arc support block and adapts the support of cabin section, need not adjust left and right arc support spacing, replace arc support block, can adapt the cabin section support of different diameter, different appearance curve, the felt on arc support block has good deformation adaptability, eliminates the line contact support mode between docking frame car and cabin body.

[0019] (2) the utility model discloses the docking frame car simple structure, when frame car parking different cabin section, only need through the rotation of front and rear two groups of lifting handwheels, can realize the adjustment of cabin section parking state, frame car is provided with universal wheel and directional wheel simultaneously, and the removal and transfer of cabin section are convenient for frame car.

[0020] (3) the utility model discloses docking frame car lifting mainly through lifting screw rod and lifting handwheel realizes, and adapts the support mainly through ball head rod end joint bearing and arc support block, and the overall structure of docking frame car is simple, and the spare part assembly is few, and the use reliability is high.

[0021] (4) the utility model discloses the docking frame car can realize multiple models, and the cabin section is shared, reduces the number of docking frame car, saves the development cost, shortens the development cycle, and improves the use efficiency of tooling. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of docking frame car of the utility model,

[0023] Figure 2 It is the structure schematic diagram of docking frame car of the utility model,

[0024] Figure 3 It is the structure schematic diagram of docking frame car of the utility model,

[0025] Figure 4 It is the structure schematic diagram of docking frame car of the utility model, DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with examples.

[0027] The utility model provides a kind of variable diameter self-adapting docking frame car, provides variable diameter self-adapting docking frame car, facilitates the use, storage and maintenance of docking frame car, reduces production manufacturing cost.

[0028] Variable diameter self-adapting docking frame car, such as Figure 1As shown, it specifically includes a frame 1, 4 lifting screws 2, 4 lifting handwheels 3, 2 support bases 4, 4 arc-shaped support blocks 5, 2 fastening belts 6, 4 ball stud end joint bearings 7, 2 universal wheels 8 and 2 directional wheels 9. Among them, the frame 1 is a frame structure; the two universal wheels 8 and the two directional wheels 9 are respectively installed at the four corners of the bottom of the frame 1; the two universal wheels 8 are symmetrically arranged, and the two directional wheels 9 are symmetrically arranged; the four lifting handwheels 3 are respectively installed at the four corners of the top of the frame 1; each lifting handwheel 3 cooperates with one lifting screw 2; the two lifting screws 2 form a group; the top of each group of lifting screws 2 is provided with one support base 4; the upper surface of each support base 4 is symmetrically provided with two ball stud end joint bearings 7; the top of each ball stud end joint bearing 7 is provided with one arc-shaped support block 5; one fastening belt 6 is installed between each group of two arc-shaped support blocks 5; and each fastening belt 6 is tightly bound with one external to-be-docking cabin section.

[0029] As shown in detail, Figure 2 As shown, the universal wheel 8 and the directional wheel 9 are connected with the frame 1 through the hexagonal bolt 1-1, the spring washer 1-2 and the nut 1-3; as Figure 3 As shown, the lifting screw 2 is connected with the support base 4 through the connecting pin 2-1 and the split pin 2-2, and the lifting screw 2 cooperates with the frame 1 through the guide hole arranged on the frame 1, and the lower end surface of the lifting handwheel 3 cooperates with the frame 1; as Figure 4 As shown, the ball stud end joint bearing 7 is connected with the support base 4 through the hexagonal bolt 3-1, the spring washer 3-2 and the flat washer 3-3.

[0030] Among them, the lifting screw 2 is axially vertically through the center of the lifting handwheel 3; the lifting handwheel 3 cooperates with the lifting screw 2 through trapezoidal threads; the vertical height of the lifting screw 2 is adjusted by rotating the lifting handwheel 3. The top of the frame 1 is provided with four guide holes; the bottom of each lifting screw 2 passes through one guide hole; the guide of the lifting screw 2 is realized through the guide hole.

[0031] The lifting of the external to-be-docking cabin section is realized by rotating the two lifting handwheels 3 on the same support base 4, which ensures that the axes of the two external to-be-docking cabin sections are in a horizontal state during the assembly and docking process, and at the same time ensures that the axes of the two cabin sections coincide during the cabin docking process.

[0032] The two arc-shaped support blocks 5 of each group are symmetrically inclined outward, so that the fastening belt 6 installed between the two arc-shaped support blocks 5 has an arc-shaped structure.

[0033] The two universal wheels 8 are located on one side of the bottom of the frame 1; the two directional wheels 9 are located on the other side of the bottom of the frame 1; one of the two universal wheels 8 is located below one group of lifting screws 2; the other one of the two directional wheels 9 is located below the other group of lifting screws 2.

[0034] The top of the ball head rod end joint bearing 7 has a certain angle of conical rotation area, which realizes the adaptive adjustment of the corresponding arc-shaped support block 5 relative to the externally to-be-docked cabin section.

[0035] The support surface of the arc-shaped support block 5 is bonded with 10mm-thick felt; the felt prevents the external to-be-docked cabin section from being bumped, reduces vibration during transportation, and increases friction; at the same time, the felt converts the linear contact between the external to-be-docked cabin section and the arc-shaped support block into surface contact; an anti-static cloth is arranged on the surface of the felt, which can eliminate the static accumulation of the external to-be-docked cabin section.

[0036] The fastening belt 6 is in an elastic belt structure, which realizes the tightening and fixing of the external to-be-docked cabin section.

[0037] The two universal wheels 8 and the directional wheel 9 are respectively installed on the same side of the base of the trolley 1 (in the direction of travel of the docking trolley), and the wheel installation direction is consistent with the travel direction of the trolley, which is used for the movement of the docking trolley and the transfer of the cabin section.

[0038] The lifting screw 2 and the lifting hand wheel 3 are connected through the trapezoidal thread matching of the lifting screw 2 and the lifting hand wheel 3; the end surface of the trolley 1 supports the lower end surface of the lifting hand wheel 3, and the guide hole of the trolley 1 limits the orientation of the lifting screw 2; the lifting of the cabin section is realized by rotating the two lifting hand wheels 3 on the same support base 4, which ensures that the axis of the cabin section is in a horizontal state during the assembly and docking process, and ensures that the axes of the two cabin sections coincide during the docking process.

[0039] The ball head rod end joint bearing 7 is connected with the arc-shaped support base 4 through the nut 3-4, the spring washer 3-2, and the flat washer 3-3; the ball head rod and the ball head end of the ball head rod end joint bearing 7 are connected through a ball head; the relative movement range of the ball head rod and the ball head end is a certain angle of conical area, which can realize the adaptive adjustment of the arc-shaped support block 5 relative to the cabin section.

[0040] The support surface of the arc-shaped support block 5 is bonded with 10mm-thick felt; the felt prevents the cabin section from being bumped, reduces vibration during transportation, and increases friction; at the same time, the felt converts the linear contact between the cabin section and the arc-shaped support block into surface contact; an anti-static cloth is arranged on the surface of the felt, which can effectively eliminate the static accumulation of the cabin section.

[0041] The arc-shaped support block 5 is provided with a fastening belt connecting ring on the two side surfaces; a set of fastening belts 6 are arranged on the two symmetric arc-shaped support blocks; the cabin section can be firmly fixed on the arc-shaped support block through the front and rear two sets of fastening belts 6.

[0042] The docking process of the docking trolley is as follows:

[0043] The docking frame vehicle moves to a designated position through two universal wheels 8 and two directional wheels 9, and locks the wheels; then two groups of fastening belts 6 on the arc-shaped supporting blocks 5 are loosened; the arc-shaped supporting blocks 5 on the supporting bases 4 are adjusted to appropriate positions by adjusting the front and rear groups of lifting hand wheels 3 to drive the lifting screws 2 to lift; an external cabin section to be docked is lifted onto the docking frame vehicle, the front and rear supporting positions of the external cabin section to be docked are adjusted, the self-adaptive support of the arc-shaped supporting blocks 5 and the external cabin section to be docked is realized by using the spherical rod end joint bearings 7; the cabin section is fixed on the arc-shaped supporting blocks 5 by using the fastening belts 6, and the external cabin section to be docked is firmly fixed by using the pressing force of the fastening belts 6 and the friction force of the arc-shaped supporting blocks 5; similarly, another external cabin section to be docked is adjusted, so that the two external cabin sections to be docked are axially coincided, and docking is realized.

[0044] The docking frame vehicle of the utility model can adapt to the support of cabin sections with different diameters and different external curves without adjusting the left and right arc-shaped supporting distances and replacing the arc-shaped supporting blocks.

[0045] The docking frame vehicle has simple structure, and only needs to rotate the front and rear groups of lifting hand wheels to adjust the parking state of the cabin section when parking different cabin sections.

[0046] The docking frame vehicle mainly realizes lifting through lifting screws and lifting hand wheels, and mainly realizes self-adaptive support through spherical rod end joint bearings and arc-shaped supporting blocks, and has simple overall structure, few components and high use reliability.

[0047] The docking frame vehicle can be shared by multiple models and multiple cabin sections, reduces the number of docking frame vehicles, saves development cost, shortens development period and improves the use efficiency of the tooling.

[0048] The utility model has been disclosed as above with preferred embodiments, but is not intended to limit the utility model, and any person skilled in the art can make possible changes and modifications to the utility model technical scheme by using the disclosed methods and technical contents without departing from the spirit and scope of the utility model, therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, which does not depart from the content of the utility model technical scheme, belongs to the protection scope of the utility model technical scheme.

Claims

1. A variable diameter self-adapting docking cradle vehicle, characterized by: The application relates to a docking frame vehicle, which comprises a frame (1), four lifting screws (2), four lifting hand wheels (3), two supporting bases (4), four arc-shaped supporting blocks (5), two fastening belts (6), four ball head rod end joint bearings (7), two universal wheels (8) and two directional wheels (9). The frame (1) is in a frame structure; the two universal wheels (8) and the two directional wheels (9) are respectively arranged at four corners of the bottom of the frame (1); the two universal wheels (8) are symmetrically arranged, and the two directional wheels (9) are symmetrically arranged; the four lifting hand wheels (3) are respectively arranged at four corners of the top of the frame (1); each lifting hand wheel (3) is matched with one lifting screw (2); the two lifting screws (2) form a group; the top of each group of lifting screws (2) is provided with one supporting base (4); the upper surface of each supporting base (4) is symmetrically provided with two ball head rod end joint bearings (7); the top of each ball head rod end joint bearing (7) is provided with one arc-shaped supporting block (5); one fastening belt (6) is arranged between each group of two arc-shaped supporting blocks (5); and each fastening belt (6) is used for binding one external cabin section to be docked.

2. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The lifting screw (2) is axially vertically arranged through the center of the lifting hand wheel (3); the lifting hand wheel (3) is matched with the lifting screw (2) through trapezoidal threads; and the vertical height of the lifting screw (2) is adjusted by rotating the lifting hand wheel (3).

3. The variable diameter self-adapting docking cradle cart of claim 2, wherein: The top of the frame (1) is provided with four guide holes; the bottom of each lifting screw (2) penetrates through one guide hole; and the lifting screw (2) is guided through the guide hole.

4. The variable diameter self-adapting docking cradle cart of claim 3, wherein: The lifting of the external cabin section to be docked is realized by rotating the two lifting hand wheels (3) on the same supporting base (4), so that the axes of the two external cabin sections to be docked are kept in a horizontal state during the assembling and docking process, and the axes of the two cabin sections are kept coincident during the docking process.

5. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The two arc-shaped supporting blocks (5) in each group are symmetrically inclined outward, so that the fastening belt (6) arranged between the two arc-shaped supporting blocks (5) is in an arc-shaped structure.

6. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The two universal wheels (8) are located on one side of the bottom of the frame (1); the two directional wheels (9) are located on the other side of the bottom of the frame (1); one of the two universal wheels (8) is located below one group of lifting screws (2); and the other of the two universal wheels (9) is located below the other group of lifting screws (2).

7. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The top of the ball head rod end joint bearing (7) is provided with a conical rotating area with a certain angle, so as to realize the self-adapting adjustment of the corresponding arc-shaped supporting block (5) relative to the externally bound cabin section to be docked.

8. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The supporting surface of the arc-shaped supporting block (5) is bonded with 10mm-thick felt; the felt prevents the external cabin section to be docked from being bumped, reduces vibration during the transportation process and increases friction; meanwhile, the felt converts the linear contact between the arc-shaped supporting block and the external cabin section to be docked into surface contact; and an anti-static cloth is arranged on the surface of the felt, so as to eliminate the static accumulation of the external cabin section to be docked.

9. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The fastening belt (6) is in an elastic belt structure, so as to bind and fix the external cabin section to be docked.

10. The variable diameter self-adapting docking cradle cart of claim 1, wherein: The docking process of the docking frame vehicle is as follows: The docking frame vehicle moves to the designated position through two universal wheels (8) and two directional wheels (9), and the wheels are locked; then two sets of fastening belts (6) on the arc-shaped supporting block (5) are loosened; the front and rear sets of lifting hand wheels (3) drive the lifting screw rods (2) to lift, and the arc-shaped supporting block (5) on the supporting base (4) is adjusted to the appropriate position; the external cabin section to be docked is lifted to the docking frame vehicle, the front and rear supporting positions of the external cabin section to be docked are adjusted, and the self-adapting support of the arc-shaped supporting block (5) and the external cabin section to be docked is realized by using the spherical head rod end joint bearing (7). The cabin section is fixed on the arc-shaped supporting block (5) by using the fastening belts (6), the external cabin section to be docked is firmly fixed by using the pressing force of the fastening belts (6) and the friction force of the arc-shaped supporting block (5); similarly, the other external cabin section to be docked is adjusted, the two external cabin sections to be docked are axially coincided, and the docking is realized.

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