Combination installation tool for engine hood

Abstract

The embodiment of the utility model provides a combined mounting tool for an engine hood. The combined mounting tool comprises a pre-tightening mounting mechanism and a centering adjusting mechanism, the pre-tightening mounting mechanism comprises a pre-tightening main rod, a vehicle body pre-tightening reference pin is arranged on the lower side of the pre-tightening main rod so that the pre-tightening main rod can be connected to a vehicle body in a positioned mode, a pre-tightening supporting rod is further arranged beside the pre-tightening main rod, and a hood pre-tightening reference pin is arranged on the upper side of the pre-tightening supporting rod so that an engine hood can be connected to the pre-tightening supporting rod in a positioned mode. The centering adjusting mechanism comprises a centering frame, and a vehicle body centering reference pin is arranged on the lower side of the centering frame, so that the centering frame is positioned and connected to the vehicle body; a hood centering reference pin is further arranged on the upper side of the centering frame so that an engine hood can be located and connected to the centering frame. According to the embodiment of the invention, the assembly precision of the engine hood can be effectively improved, the appearance gap segment difference matching quality of the whole vehicle is improved, the failure rate of the periphery of the engine hood is reduced, and the gap surface difference coincidence rate of the front face of the whole vehicle is improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of vehicle assembly, in particular to an engine hood combined installation tool. BACKGROUND

[0002] At present, the existing engine hood installation uses a left and right split type installation tool, opens, tightens, closes, checks and assembles effects, since there is no reference material around the opening and tightening state, the assembly effect cannot be judged, thereby resulting in the following problems: 1, the assembly size effect is poor; 2, the repeated adjustment time is long. CONTENT OF THE UTILITY MODEL

[0003] The embodiment of the present application provides an engine hood combined installation tool, relates to the technical field of vehicle assembly, and can effectively improve the precision of engine hood assembly, help to improve the whole vehicle appearance gap step difference matching quality, reduce the engine hood circumference problem failure rate, and improve the whole vehicle front face gap step difference compliance rate.

[0004] In the first aspect, the embodiment of the present application provides an engine hood combined installation tool, which comprises a pre-tightening installation mechanism and a center adjustment mechanism.

[0005] The pre-tightening installation mechanism comprises a pre-tightening main rod, the lower side of the pre-tightening main rod is provided with a vehicle body pre-tightening reference pin, so that the pre-tightening main rod is positioned and connected on the vehicle body, and the side of the pre-tightening main rod is further provided with a pre-tightening branch rod, the upper side of the pre-tightening branch rod is provided with an engine hood pre-tightening reference pin, so that the engine hood is positioned and connected on the pre-tightening branch rod; the pre-tightening installation mechanism is used for pre-tightening installation of the engine hood in the opening state.

[0006] The center adjustment mechanism comprises a center frame, the lower side of the center frame is provided with a vehicle body center reference pin, so that the center frame is positioned and connected on the vehicle body; the upper side of the center frame is further provided with an engine hood center reference pin, so that the engine hood is positioned and connected on the center frame; and the pre-tightening installation mechanism is used for center adjustment of the engine hood in the closed state.

[0007] Optionally, according to the engine hood combined installation tool provided by the embodiment of the present application, the middle part of the pre-tightening main rod is further provided with a support assembly, the support assembly comprises a horizontal support rod and an inclined support rod, the horizontal support rod is connected with the pre-tightening branch rod, and the inclined support rod is connected at the end of the horizontal support rod and is used for supporting the engine hood in the opening state.

[0008] Optionally, according to the engine hood combined installation tool provided by the embodiment of the present application, the inclined support rod is rotationally connected with the horizontal support rod, when the inclined support rod is bent to be parallel to the horizontal support rod, the engine hood can be converted from the opening state to the closed state.

[0009] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the connecting part of the horizontal support rod and the inclined support rod is further provided with a limiting block, which is used for limiting the maximum opening angle of the inclined support rod.

[0010] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the pre-tightening main rod is further provided with a vehicle body pre-tightening reference surface on the side of the vehicle body pre-tightening reference pin, so as to stabilize the pre-tightening main rod on the vehicle body.

[0011] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the pre-tightening support rod is further provided with a plurality of hood pre-tightening positioning blocks on the side of the hood pre-tightening reference pin, so as to stabilize the engine hood on the pre-tightening installation mechanism.

[0012] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the centering frame is further provided with a vehicle body centering reference surface on the side of the vehicle body centering reference pin, so as to stabilize the centering frame on the vehicle body.

[0013] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the centering frame is further provided with an auxiliary frame, and the auxiliary frame is provided with an auxiliary positioning block, so as to stabilize the engine hood on the centering adjustment mechanism.

[0014] Optionally, the engine hood combined installation tool according to the embodiment of the present application, further comprises two sets of detection mechanisms, which are respectively located on the two sides of the connecting part of the engine hood and the vehicle body, so as to detect the assembly degree of the engine hood and the vehicle body.

[0015] The detection mechanism comprises a detection main rod, the detection main rod is provided with a vehicle body detection reference pin, so as to positionally connect the detection main rod on the vehicle body, and the side of the detection main rod is provided with a detection support rod, the detection support rod is provided with a hood detection reference pin, so as to positionally connect the engine hood on the pre-tightening support rod.

[0016] The end part of the detection support rod is provided with a profile detection block, and the profile detection block is attached to the profile of the engine hood.

[0017] Optionally, the engine hood combined installation tool according to the embodiment of the present application, the detection main rod is further provided with a plurality of suction magnets, and the suction magnets are mutually adsorbed with the vehicle body sheet metal.

[0018] The embodiment of the present application has the following beneficial effects:

[0019] (1) The embodiment of the present application can effectively improve the precision of engine hood assembly, help improve the matching quality of vehicle appearance gap, reduce the failure rate of engine hood circumference problems, and improve the compliance rate of vehicle front face gap.

[0020] (2) The embodiment of the present application can completely simulate the real vehicle assembly state, simulate the assembly under the real vehicle matching state, and improve the precision of engine hood assembly.

[0021] (3) The embodiment of the present application can form a standardized operation process for engine hood adjustment, which is suitable for promotion in subsequent projects. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0023] Figure 1 The structure schematic diagram of the pre-tightening mounting mechanism provided by the embodiment of the present application is shown in the figure.

[0024] Figure 2 The schematic diagram of the inclined support rod bending state in the pre-tightening mounting mechanism provided by the embodiment of the present application is shown in the figure.

[0025] Figure 3 The structure schematic diagram of the centering adjustment mechanism provided by the embodiment of the present application is shown in the figure.

[0026] Figure 4 The structure schematic diagram of the detection mechanism provided by the embodiment of the present application is shown in the figure.

[0027] Explanation of reference signs:

[0028] 10-pre-tightening main rod; 11-pre-tightening support rod; 12-vehicle body pre-tightening reference pin; 13-vehicle body pre-tightening reference surface; 14-hood pre-tightening reference pin; 15-hood pre-tightening positioning block; 16-horizontal support rod; 17-inclined support rod; 18-limiting block; 16-vehicle body pre-tightening positioning block;

[0029] 20-centering frame; 21-vehicle body centering reference pin; 22-vehicle body centering reference surface; 23-hood centering reference pin; 24-assisting frame; 25-assisting positioning block;

[0030] 30-detection main rod; 31-vehicle body detection reference pin; 32-detection support rod; 33-hood detection reference pin; 34-profile detection block; 35-suction magnet; 36-assisting rod.

DETAILED DESCRIPTION

[0031] In order to better understand the technical solutions of the present specification, the embodiments of the present application are described in detail below with reference to the drawings.

[0032] It should be clear that the described embodiments are only part of the embodiments of the present specification, rather than all the embodiments. Based on the embodiments in the present specification, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present specification.

[0033] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present specification. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0034] At present, the existing engine cover installation is installed by using left and right split type installation tools, and the assembly effect is checked after opening and tightening. Since there is no reference object around the opening and tightening state, the assembly effect cannot be judged. Thus, the following problems are caused: 1. Poor assembly size effect; 2. Long time for repeated adjustment.

[0035] In view of this, according to Figures 1 to 3 As shown in the figure, the present application provides an engine cover combined installation tool, which comprises a pre-tightening installation mechanism and a centering adjustment mechanism.

[0036] The pre-tightening installation mechanism comprises a pre-tightening main rod 10, the lower side of the pre-tightening main rod 10 is provided with a vehicle body pre-tightening reference pin 12, so that the pre-tightening main rod 10 is positioned and connected on the vehicle body, and the side of the pre-tightening main rod 10 is further provided with a pre-tightening branch rod 11, the upper side of the pre-tightening branch rod 11 is provided with an engine cover pre-tightening reference pin 14, so that the engine cover is positioned and connected on the pre-tightening branch rod 11; the pre-tightening installation mechanism is used for pre-tightening installation of the engine cover in the opening state.

[0037] The centering adjustment mechanism comprises a centering frame 20, the lower side of the centering frame 20 is provided with a vehicle body centering reference pin 21, so that the centering frame 20 is positioned and connected on the vehicle body; the upper side of the centering frame 20 is further provided with an engine cover centering reference pin 23, so that the engine cover is positioned and connected on the centering frame 20; the pre-tightening installation mechanism is used for centering adjustment of the engine cover in the closed state.

[0038] Further, the middle part of the pre-tightening main rod 10 is further provided with a supporting assembly, the supporting assembly comprises a horizontal support rod 16 and an inclined support rod 17, the horizontal support rod 16 is connected with the pre-tightening branch rod 11, and the inclined support rod 17 is connected at the end of the horizontal support rod 16 and is used for supporting the engine cover in the opening state. The engine cover is supported by the supporting assembly, so that the engine cover is pre-tightened and installed in the opening state.

[0039] Further, the inclined support rod 17 is rotatably connected with the horizontal support rod 16, when the inclined support rod 17 is folded to be parallel with the horizontal support rod 16, the engine cover can be switched from the open state to the closed state, and the support assembly can be rotated to be retracted to save the space.

[0040] Further, the connection between the horizontal support rod 16 and the inclined support rod 17 is provided with a limiting block 18, which is used to limit the maximum opening angle of the inclined support rod 17. The limiting block 18 limits the inclined support rod 17 in the theoretical working state through the rotating shaft.

[0041] Further, the pre-tightening main rod 10 is provided with a vehicle body pre-tightening reference surface 13 beside the vehicle body pre-tightening reference pin 12, so as to stabilize the pre-tightening main rod 10 on the vehicle body. In this embodiment, the stability between the pre-tightening main rod 10 and the vehicle body is ensured through the cooperation between the multiple vehicle body pre-tightening reference surfaces 13 and the vehicle body pre-tightening reference pin 12.

[0042] Further, the pre-tightening support rod 11 is provided with multiple hood pre-tightening positioning blocks 15 beside the hood pre-tightening reference pin 14, so as to stabilize the engine cover on the pre-tightening mounting mechanism. Similarly, the stability between the pre-tightening support rod 11 and the engine cover is ensured through the cooperation between the multiple hood pre-tightening positioning blocks 15 and the hood pre-tightening reference pin 14.

[0043] Further, the pre-tightening support rod 11 is provided with a vehicle body pre-tightening positioning block 19 on the lower side, so as to stabilize the pre-tightening main rod 10 on the vehicle body. The positioning connection between the pre-tightening main rod 10 and the vehicle body is realized through the multiple vehicle body pre-tightening reference surfaces 13 and the vehicle body pre-tightening reference pin 12, and the vehicle body pre-tightening positioning block 19 further ensures the stability between the pre-tightening support rod 11 and the engine cover.

[0044] Further, the central frame 20 is provided with a vehicle body centering reference surface 22 beside the vehicle body centering reference pin 21, so as to stabilize the central frame 20 on the vehicle body. In this embodiment, the stability between the central frame 20 and the vehicle body is ensured through the cooperation between the multiple vehicle body centering reference surfaces 22 and the vehicle body centering reference pin 21.

[0045] Further, the central frame 20 is provided with an auxiliary frame 24, and the auxiliary frame 24 is provided with an auxiliary positioning block 25, so as to stabilize the engine cover on the centering adjustment mechanism. The centering adjustment mechanism is positioned on the vehicle body side through the vehicle body centering reference pin 21 and the vehicle body centering reference surface 22. The engine cover is positioned on the hood adjustment mechanism through the hood centering reference pin 23 and the hood centering positioning block. After the engine cover is accurately positioned through the centering adjustment mechanism positioning module, the engine cover is judged for the assembly position conformity through the measuring point, and the engine cover is tightly assembled.

[0046] Further, asFigure 4 The engine hood assembly tool provided by the embodiment of the application can effectively improve the assembly efficiency and precision of the engine hood; the completely simulated real vehicle assembly state is provided, the assembly in the simulated real vehicle matching state is provided, and the engine hood assembly precision is improved.

[0047] The detection mechanism comprises a detection main rod 30, the detection main rod 30 is provided with a vehicle body detection reference pin 31, so that the detection main rod 30 is positioned and connected on the vehicle body, a detection branch rod 32 is provided on the side of the detection main rod 30, the detection branch rod 32 is provided with a hood detection reference pin 33, so that the engine hood is positioned and connected on the pre-tightening branch rod 11. The end of the detection branch rod 32 is provided with a profile detection block 34, the profile detection block 34 is attached to the profile of the engine hood.

[0048] In the embodiment, the two ends of the detection main rod 30 are further provided with auxiliary rods 36, the auxiliary rods 36 are provided with a vehicle body reference surface and a hood reference surface, the detection mechanism is positioned on the vehicle body side through the vehicle body detection reference pin 31 and the vehicle body reference surface. The engine hood is positioned in the correct position through the hood detection reference pin 33 and the hood reference surface by the simulation detection tool. The profile detection block 34 is used for detecting the X-direction position compliance of the engine hood, and the detection mechanism can detect the left and right side clearance / surface difference compliance between the engine hood and the fender through the hood detection reference pin 33 and the hood reference surface.

[0049] Further, a plurality of suction magnets 35 are further provided on the detection main rod 30, the suction magnets 35 are mutually adsorbed with the vehicle body sheet metal.

[0050] The engine hood assembly tool provided by the embodiment of the application can effectively improve the assembly efficiency and precision of the engine hood; the completely simulated real vehicle assembly state is provided, the assembly in the simulated real vehicle matching state is provided, and the engine hood assembly precision is improved.

[0051] When the engine hood is adjusted by using the combined installation tool, the specific installation method is as follows:

[0052] 1. Assemble the pre-tightening installation mechanism to the vehicle body;

[0053] 2. Assemble the engine hood to the pre-tightening installation mechanism, at this time, the engine hood is in an open state of 30°;

[0054] 3. Pre-tighten the engine hood hinge bolt, and tighten the force to about 10 N / M, so that the engine hood does not displace under the condition of no external force;

[0055] 4. Assemble the centering adjustment mechanism to the vehicle body;

[0056] 5. Close and assemble the engine hood to the centering adjustment mechanism, at this time, the engine hood is in a theoretical closed state, and an additional external force is applied to make the clearance data between the engine hood and the fender meet the manufacturing tolerance requirements;

[0057] 6, tighten the engine cover, tighten the installation of the engine cover hinge bolt, tighten the force is about torque 17~23N·M, complete the assembly of the engine cover.

[0058] 7, the detection mechanism is assembled to the vehicle body;

[0059] 8, detect the front end of the engine cover and the simulation block value, detect the matching data of the engine cover and the fender;

[0060] 9, the data results are fed back to the pre-tightening installation station, the center adjustment station, the downstream area, and the engine cover assembly state is adjusted according to the data.

[0061] The engine cover installation adjustment method designed in the embodiment of the application can form a standardized process, standardize the engine cover assembly, and improve the consistent operation of each production line.

[0062] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hood assembly installation tool characterized by, The pre-tightening mounting mechanism and the centering adjusting mechanism are included. The pre-tightening mounting mechanism includes a pre-tightening main rod, the lower side of which is provided with a vehicle body pre-tightening reference pin, so that the pre-tightening main rod is positioned and connected on the vehicle body, and the side of the pre-tightening main rod is further provided with a pre-tightening branch rod, the upper side of which is provided with an engine cover pre-tightening reference pin, so that the engine cover is positioned and connected on the pre-tightening branch rod; the pre-tightening mounting mechanism is used for pre-tightening mounting of the engine cover in the open state. The centering adjusting mechanism includes a centering frame, the lower side of which is provided with a vehicle body centering reference pin, so that the centering frame is positioned and connected on the vehicle body; the upper side of the centering frame is further provided with an engine cover centering reference pin, so that the engine cover is positioned and connected on the centering frame; the pre-tightening mounting mechanism is used for centering adjustment of the engine cover in the closed state.

2. The hood assembly installation tool of claim 1, wherein, The middle part of the pre-tightening main rod is further provided with a support assembly, which includes a horizontal support rod and an inclined support rod, the horizontal support rod is connected with the pre-tightening branch rod, and the inclined support rod is connected at the end of the horizontal support rod and is used for supporting the engine cover in the open state.

3. The hood assembly installation tool of claim 2, wherein, The inclined support rod is rotationally connected with the horizontal support rod, when the inclined support rod is bent to be parallel with the horizontal support rod, the engine cover can be switched from the open state to the closed state.

4. The hood assembly installation tool of claim 3, wherein, The connection between the horizontal support rod and the inclined support rod is further provided with a limiting block, which is used for limiting the maximum opening angle of the inclined support rod.

5. The hood assembly installation tool of claim 1, wherein, The side of the pre-tightening main rod, which is located beside the vehicle body pre-tightening reference pin, is further provided with a vehicle body pre-tightening reference surface, so that the pre-tightening main rod is stabilized on the vehicle body.

6. The hood assembly installation tool of claim 1, wherein, The side of the pre-tightening branch rod, which is located beside the engine cover pre-tightening reference pin, is further provided with a plurality of engine cover pre-tightening positioning blocks, so that the engine cover is stabilized on the pre-tightening mounting mechanism.

7. The hood assembly installation tool of claim 1, wherein, The side of the centering frame, which is located beside the vehicle body centering reference pin, is further provided with a vehicle body centering reference surface, so that the centering frame is stabilized on the vehicle body.

8. The hood assembly installation tool of claim 1, wherein, The centering frame is further provided with an auxiliary frame, the auxiliary frame is provided with an auxiliary positioning block, so that the engine cover is stabilized on the centering adjusting mechanism.

9. The hood assembly installation tool of any one of claims 1 to 8, wherein, Two groups of detection mechanisms are further included, which are respectively located on the two sides of the connection between the engine cover and the vehicle body, so as to detect the assembly degree of the engine cover and the vehicle body. The detection mechanism includes a detection main rod, the detection main rod is provided with a vehicle body detection reference pin, so that the detection main rod is positioned and connected on the vehicle body, the side of the detection main rod is provided with a detection branch rod, the detection branch rod is provided with an engine cover detection reference pin, so that the engine cover is positioned and connected on the pre-tightening branch rod; The end of the detection branch rod is provided with a profile detection block, which is in close contact with the profile of the engine cover.

10. The hood assembly installation tool of claim 9, wherein, The detection main rod is further provided with a plurality of attractive magnets, which are in close contact with the vehicle body sheet metal.

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