Rack for simulating automobile body in automobile fuel tank test

Abstract

The invention discloses a rack for simulating an automobile body in an automobile fuel tank test, which comprises a support frame, a datum plate is arranged at the top of the support frame, and a plurality of fixing holes are formed in the datum plate according to a rectangular array mode. Oil tanks of different models can be fixed, so that the use number of the rack is reduced, and the problems that the rack is high in cost and large in occupied space are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of racks, in particular a kind of rack for automobile oil tank test simulation vehicle body. BACKGROUND

[0002] In the process of oil tank test, it is necessary to fix the oil tank on the rack simulating the installation state of actual vehicle, to ensure that the state of oil tank in the test process is consistent with the actual state of the oil tank on the vehicle.

[0003] In the traditional way, the rack for fixing the oil tank is welded into a frame structure by carbon steel square tube, and the oil tank pressing block and steel band fixing point are designed according to the data of the oil tank and the vehicle body. The pressing block and the steel band fixing point are the contact positions of the oil tank and the vehicle, and the spatial position of the point in the rack is the same as that of the corresponding point of the vehicle. Since the shape of the oil tank of each vehicle model is different, the rack needs to be specially designed for different oil tanks.

[0004] With the increase of oil tank projects, the number of special racks is also increasing, occupying a large storage space, and the cost of special racks is also high. SUMMARY

[0005] The purpose of the present application is to provide a rack for automobile oil tank test simulation vehicle body to solve the technical problems in the prior art, which can fix different types of oil tanks, thereby reducing the number of racks used, solving the problems of high cost and large space occupation of the rack.

[0006] The present application provides a rack for automobile oil tank test simulation vehicle body, comprising a support frame, a reference plate is provided on the top of the support frame, and a plurality of fixing holes are formed in the reference plate in a rectangular array.

[0007] In the foregoing rack for automobile oil tank test simulation vehicle body, preferably, the support frame comprises a bottom rectangular frame and a top rectangular frame, and the four corners of the bottom rectangular frame are fixedly connected to the four corners of the top rectangular frame through support columns.

[0008] In the foregoing rack for automobile oil tank test simulation vehicle body, preferably, the upper end of each support column is connected to the top rectangular frame through two upper reinforcing rods, and the lower end of each support column is connected to the bottom rectangular frame through two lower reinforcing rods.

[0009] In the foregoing rack for automobile oil tank test simulation vehicle body, preferably, a plurality of support beams are arranged in the bottom rectangular frame; and a right-angle limiting block is fixedly arranged on each corner of the top rectangular frame.

[0010] Preferably, inner walls of two long sides of the top rectangular frame are respectively fixed with a plurality of support blocks, and top portions of the support blocks are fixed with guide columns.

[0011] Preferably, a coordinate value is marked beside each fixing hole on a top surface of the reference plate.

[0012] Preferably, a plurality of lightening holes are arranged on the reference plate in a rectangular array.

[0013] Preferably, two forklift connecting frames are respectively fixed on two long sides of the reference plate.

[0014] Preferably, a plurality of oil tank connecting assemblies are mounted on a bottom portion of the reference plate, and each oil tank connecting assembly comprises a connecting plate, a connecting column, a connecting sleeve and a horizontal arm.

[0015] Preferably, a sliding groove extending along a length direction of the horizontal arm is arranged on the horizontal arm, and a steel belt connecting block or an oil tank profiled pressing block is mounted in the sliding groove.

[0016] Compared with the prior art, the present application sets the support frame and the reference plate, and sets the fixing holes arranged in a rectangular array on the reference plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an axonometric view of the overall structure of the present application;

[0018] Figure 2 is an exploded view of the present application;

[0019] Figure 3 is an axonometric view of the reference plate of the present application;

[0020] Figure 4 is the bottom view of the reference plate of the present application;

[0021] Figure 5 is the axonometric view of the support frame of the present application;

[0022] Figure 6 is the axonometric view of the steel band connecting block provided on the oil tank connecting assembly of the present application;

[0023] Figure 7 is the axonometric view of the oil tank profiled pressing block provided on the oil tank connecting assembly of the present application.

[0024] Legend: support frame 1, reference plate 2, fixing hole 3, bottom rectangular frame 4, top rectangular frame 5, support column 6, upper reinforcing rod 7, lower reinforcing rod 8, support beam 9, right-angle limiting block 10, support block 11, guide column 12, limiting hole 13, weight-reducing hole 14, forklift connecting frame 15, oil tank connecting assembly 16, connecting plate 17, connecting column 18, connecting sleeve 19, horizontal arm 20, mounting hole 21, sliding groove 22, steel band connecting block 23, oil tank profiled pressing block 24, locking plate 25. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and cannot be interpreted as limiting the present application.

[0026] Embodiment of the present application: as shown in Figures 1-7 A bench for simulating automobile body for oil tank test, comprising a support frame 1, the top of the support frame 1 is provided with a reference plate 2, and a plurality of fixing holes 3 are arranged on the reference plate 2 in a rectangular array.

[0027] In this embodiment, the fixing hole 3 is a threaded hole, and the oil tank connecting assembly 16 is fixed at the bottom of the reference plate 2 through the threaded cooperation of the bolt and the fixing hole 3, and then the steel band connecting block 23 on the oil tank connecting assembly 16 is connected to the oil tank steel band, and the oil tank is limited and protected by the oil tank profiled pressing block 24. The reference plate 2 is used to simulate the vehicle body, and after the oil tank is fixed on the reference plate 2, the product can be fixed on the experimental instrument to perform various experiments on the oil tank.

[0028] Since a plurality of fixing holes 3 arranged in a rectangular array are provided on the reference plate 2, the product can be used for various different types of oil tanks, solving the problem in the prior art that one oil tank needs to develop a corresponding bench.

[0029] Specifically, the support frame 1 comprises a bottom rectangular frame 4 and a top rectangular frame 5, and four corners of the bottom rectangular frame 4 are fixedly connected with four corners of the top rectangular frame 5 through support columns 6 respectively.

[0030] The bottom rectangular frame 4 and the top rectangular frame 5 are completely the same in size, and they are respectively welded by four steel pipes.

[0031] In order to ensure the overall structural strength of the support frame 1 and ensure that it can be used for a long time without being damaged, preferably, the upper end of each support column 6 is connected with the top rectangular frame 5 through two upper reinforcing rods 7, and the lower end of each support column 6 is connected with the bottom rectangular frame 4 through two lower reinforcing rods 8.

[0032] The upper reinforcing rods 7 and the lower reinforcing rods 8 are both arranged at an inclination of 45° to form a triangular support structure, thereby improving the carrying capacity of the four sides of the bottom rectangular frame 4 and the top rectangular frame 5. A plurality of support beams 9 are arranged in the bottom rectangular frame 4, and the support beams 9 are used to improve the structural stability of the bottom rectangular frame 4 and prevent it from deforming.

[0033] The reference plate 2 in the embodiment is detachably connected with the support frame 1. This design can realize separate replacement. If the support frame 1 is damaged, the support frame can be replaced alone, and if the reference plate 2 is damaged, the reference plate 2 can be replaced alone, thereby effectively reducing the maintenance cost. In addition, this design also facilitates the disassembly and assembly of the oil tank. The oil tank is first fixed on the reference plate 2, and then the reference plate 2 is installed, thereby effectively improving the work efficiency.

[0034] In order to prevent the reference plate 2 from moving transversely on the support frame 1, right-angle limiting blocks 10 are fixedly arranged on the four corners of the top rectangular frame 5. Moreover, two support blocks 11 are fixedly arranged on the inner walls of the two long sides of the top rectangular frame 5 respectively, and a guide column 12 is fixedly arranged on the top of each support block 11. Limiting holes 13 are arranged on the reference plate 2 and matched with the guide columns 12.

[0035] When the reference plate 2 is installed, the four guide columns 12 are respectively inserted into the four limiting holes 13, so that the reference plate 2 is aligned with the support frame 1. After the reference plate 2 is installed in place, the four right-angle limiting blocks 10 limit the four corners of the reference plate 2, so that the reference plate 2 cannot move in the horizontal direction. The arrangement of the four right-angle limiting blocks 10 also effectively prolongs the service life of the four guide columns 12.

[0036] Threaded holes are arranged at the two ends of the support blocks 11, and light holes opposite to the threaded holes are arranged on the reference plate 2 at the two sides of the limiting holes 13. The reference plate 2 and the support blocks 11 are fixedly connected by using bolts to connect the threaded holes of the support blocks 11, thereby preventing the reference plate 2 from falling off the support frame 1.

[0037] Preferably, the top surface of the reference plate 2 is marked with coordinate values beside each fixing hole 3. In this embodiment, the coordinate values are marked on the left side of each fixing hole 3, which are not shown in the figure and can be engraved by laser.

[0038] In order to reduce the weight of the reference plate 2 and provide more operating space for disassembling and assembling the oil tank, a plurality of weight-reducing holes 14 are formed in the reference plate 2 in this embodiment. The weight-reducing holes 14 are square holes arranged in a rectangular array.

[0039] Two forklift connecting frames 15 are respectively fixed on the two long edges of the reference plate 2. The forklift connecting frames 15 are fixed on the reference plate 2 by bolts, and the forklift connecting frames 15 and the reference plate 2 form forklift fork connecting holes. The forklift connecting frames 15 on the two long edges are arranged oppositely, which facilitates the use of a forklift to transfer the reference plate 2.

[0040] Further, a plurality of oil tank connecting assemblies 16 are mounted on the bottom of the reference plate 2. The oil tank connecting assembly 16 includes a connecting plate 17, a connecting column 18, a connecting sleeve 19, and a horizontal arm 20. The connecting plate 17 is horizontally arranged, and two mounting holes 21 are formed in the connecting plate 17. The connecting plate 17 can be fixed on the bottom of the reference plate 2 by passing bolts through the mounting holes 21 and the fixing holes on the reference plate 2. The top end of the connecting column 18 is welded and fixed to the bottom surface of the connecting plate 17. The connecting column 18 is arranged perpendicularly to the connecting plate 17. The lower end of the connecting column 18 is connected to the connecting sleeve 19 in a plug-in manner. The lower end of the connecting sleeve 19 is welded and fixed to the horizontal arm 20. An opening is formed in the side wall of the connecting sleeve 19. Locking plates 25 are arranged on both sides of the opening. The locking plates 25 are welded and fixed to the outer wall of the connecting sleeve 19. The two locking plates 25 are connected by bolt assemblies.

[0041] In order to improve the adjustment accuracy, a first scale value is arranged on the outer wall of the connecting column 18 in the axial direction, and a second scale value is arranged in a circle in the circumferential direction. The displacement amount of the connecting sleeve 19 in the height direction can be directly observed by the first scale value, and the angle of rotation of the connecting sleeve 19 relative to the connecting column 18 can be observed by the second scale value. The connecting sleeve 19 can be fixed on the connecting column 18 by tightening the bolt assemblies on the two locking plates 25.

[0042] A sliding groove 22 extending along the length direction of the horizontal arm 20 is formed in the horizontal arm 20. A steel belt connecting block 23 or an oil tank profiled pressing block 24 is mounted in the sliding groove 22.

[0043] The steel belt connecting block 23 has a vertical threaded through hole. The upper end of the steel belt connecting block 23 is connected to the sliding groove 22 by a bolt. The lower end of the steel belt connecting block 23 is connected to the oil tank steel belt by a bolt, which is used to fix the end of the oil tank steel belt.

[0044] The bottom surface of the oil tank profiled pressing block 24 has an arc-shaped limiting surface, two threaded holes are formed in the top of the oil tank profiled pressing block 24, the oil tank profiled pressing block 24 is connected with the sliding groove 22 through two bolts, and the arc-shaped limiting surface on the oil tank profiled pressing block 24 is used for limiting the arc-shaped surface of the corner position of the oil tank, so that the displacement of the oil tank is prevented. The corner position of the oil tank can also be protected.

[0045] The working principle of the present application is as follows: when the oil tank is experimented, the oil tank is placed on the reference plate 2, the position of the oil tank is adjusted according to the design requirement, then the oil tank connecting assembly 16 is fixed on the reference plate 2 through bolts, usually 6-10 oil tank connecting assemblies 16 are arranged for one oil tank, at least 4 oil tank connecting assemblies 16 are provided with the steel belt connecting block 23, and the rest of the steel belt connecting blocks 23 are provided with the oil tank profiled pressing block 24, the coordinate values of the steel belt connecting block 23 and the oil tank profiled pressing block 24 and the coordinate values of the fixed holes 3 corresponding to the four corner positions of the oil tank bottom surface are recorded and saved after installation, then the product is placed on the experimental equipment to test various parameters of the oil tank.

[0046] When the oil tank of the same type is experimented next time, the recorded coordinate values are only needed to be inquired, and the installation and fixation are carried out according to the coordinate values, so that the position of the oil tank, the position of the pressing block and the position of the steel belt can be kept consistent, thereby ensuring the accuracy of experimental data.

[0047] The above embodiment shown in the drawings details the structure, features and effect of the present application, the above description is only the preferred embodiment of the present application, but the present application is not limited by the drawings, any change or modification made according to the idea of the present application, or the equivalent embodiment of equivalent change, as long as it is within the scope of the present application, should be within the protection scope of the present application.

Claims

1. A test bench for simulating a car body during automobile fuel tank testing, comprising a support frame (1), characterized in that: The top of the support frame (1) is provided with a reference plate (2), and the reference plate (2) is provided with a number of fixing holes (3) in a rectangular array.

2. The test bench for simulating a car body for testing an automobile fuel tank according to claim 1, characterized in that: The support frame (1) includes a bottom rectangular frame (4) and a top rectangular frame (5). The four corners of the bottom rectangular frame (4) are fixedly connected to the four corners of the top rectangular frame (5) through support columns (6).

3. The test bench for simulating a car body for testing an automobile fuel tank according to claim 2, characterized in that: The upper end of each of the support columns (6) is connected to the top rectangular frame (5) by two upper reinforcing rods (7), and the lower end of each of the support columns (6) is connected to the bottom rectangular frame (4) by two lower reinforcing rods (8).

4. The test bench for simulating a car body for testing an automobile fuel tank according to claim 3, characterized in that: The bottom rectangular frame (4) is provided with multiple supporting beams (9); right-angle limiting blocks (10) are fixed at the four corners of the top rectangular frame (5).

5. The test bench for simulating a car body for testing an automobile fuel tank according to claim 2, characterized in that: Multiple support blocks (11) are fixed on the inner walls of the two long sides of the top rectangular frame (5), and guide posts (12) are fixed on the top of the support blocks (11); the reference plate (2) is provided with limiting holes (13) that cooperate with the guide posts (12).

6. The test bench for simulating a car body for testing an automobile fuel tank according to claim 5, characterized in that: The reference plate (2) has coordinate values ​​marked next to each of the fixing holes (3) on its top surface.

7. The test bench for simulating a car body for testing an automobile fuel tank according to claim 6, characterized in that: The reference plate (2) has multiple weight reduction holes (14) arranged in a rectangular array.

8. The test bench for simulating a car body for testing an automobile fuel tank according to claim 7, characterized in that: Two forklift connection frames (15) are fixed on the two long sides of the reference plate (2).

9. The test bench for simulating a car body for testing an automobile fuel tank according to claim 1, characterized in that: The bottom of the reference plate (2) is equipped with multiple oil tank connection assemblies (16). The oil tank connection assembly (16) includes a connecting plate (17), a connecting column (18), a connecting sleeve (19), and a horizontal arm (20). The connecting plate (17) is horizontally arranged and has two mounting holes (21). The top of the connecting column (18) is welded and fixed to the bottom surface of the connecting plate (17). The lower end of the connecting column (18) is inserted and connected to the connecting sleeve (19). The lower end of the connecting sleeve (19) is welded and fixed to the horizontal arm (20). The side wall of the connecting sleeve (19) is provided with an opening. Locking plates (25) are provided on both sides of the opening. The two locking plates (25) are connected by a bolt assembly.

10. The test bench for simulating a vehicle body for automobile fuel tank testing according to claim 9, characterized in that: The horizontal arm (20) is provided with a groove (22) extending along its length, and a steel strip connecting block (23) or an oil tank conforming pressure block (24) is installed in the groove (22).

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