Device for integrally assembling front wall of school bus

Abstract

The utility model relates to the technical field of school bus manufacturing, in particular to a school bus front wall integral assembling device which comprises a bottom supporting frame, a front supporting piece, a middle supporting piece and a set of side supporting pieces, and the front supporting piece, the middle supporting piece and the set of side supporting pieces are arranged on the bottom supporting frame. The side supporting pieces are used for supporting and positioning a left fender and a right fender of a front wall respectively, the middle supporting piece is arranged between the two side supporting pieces and used for supporting and positioning an engine cabin door of the front wall, and the front and middle net simulation tool is arranged above the front supporting piece and used for comparing peripheral skin pieces. By designing a structure matched with the front wall of the school bus, a front wall framework which is welded and assembled is hoisted on the lifting device, and then a front wall skin can be directly assembled and welded on the framework, so that the operation efficiency is effectively improved, the production quality of the front wall of the school bus is ensured, and the assembly consistency in the operation process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of school bus manufacturing, and specifically to a device for integrally assembling the front enclosure of a school bus. Background Art

[0002] Most of the existing school bus front panels adopt a frame-type skeleton structure, that is, the processed rods are assembled and welded to produce the front panel skeleton, and the corresponding welding tooling is usually used to complete the welding and assembly of the front panel skeleton. The welded and assembled front panel skeleton is installed on the school bus, and the welding and installation of the skin between the skeletons are carried out. With the above method, on the one hand, the skin welding and installation are troublesome and the precision is poor. On the other hand, the prefabrication of the school bus front panel cannot be realized, which affects the efficiency of the overall process. Summary of the invention

[0003] The utility model aims to solve the problem that the overall welding function cannot be realized in the existing school bus front enclosure production process, and the front enclosure frame needs to be assembled and welded separately on the welding tooling, and the skin assembly and welding needs to be completed on the school bus, which results in poor precision, troublesome assembly, and inability to prefabricate the school bus front enclosure. A device for overall assembly of the school bus front enclosure is provided. By designing a structure matching the school bus front enclosure, the welded and assembled front enclosure frame is hoisted on the utility model, and then the front enclosure skin assembly and welding can be directly carried out on the frame, thereby effectively improving the operating efficiency, ensuring the production quality of the school bus front enclosure, and ensuring the assembly consistency of the operating process.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A device for integrally assembling a school bus front enclosure, which matches a school bus front enclosure frame and is used for assembling a school bus front enclosure skin, comprises a bottom support frame and a front support member, a middle support member and a group of side support members arranged on the bottom support frame, wherein the front support member is used for supporting and positioning a front bumper of the front enclosure, the side support members are used for supporting and positioning a left and right fender of the front enclosure respectively, the middle support member is arranged between two side support members and is used for supporting and positioning an engine compartment door of the front enclosure, a front center grille simulation tooling is arranged above the front support member and is used for comparing surrounding skin members, and the front enclosure skin assembly is completed by supporting and positioning the school bus front enclosure structure.

[0006] Preferably, two vertical supports are fixedly provided on the upper front end of the bottom support frame, and two vertical rods are fixedly provided on the upper rear end, a first transverse support is fixedly provided between the upper ends of the two vertical supports, connecting rods inclined toward the rear side are fixedly provided on the upper ends of both ends of the first transverse support, a support rod facing the front and upper side is fixedly provided in the middle of the connecting rod, an upper transverse rod is fixedly provided between the upper ends of the two connecting rods, frame rods are fixedly provided on the front sides of the vertical rods, a third transverse support is fixedly provided between the tops of the vertical rods, upper support rods are fixedly provided between the two ends of the third transverse support and the corresponding frame rods, lower support rods are fixedly provided between the lower ends of the vertical rods and the frame rods, and second transverse supports are fixedly provided on the front sides of the lower ends of the two upper support rods to support the front bumper through the vertical supports.

[0007] Preferably, two first fixing rods are fixedly provided on the lower side of the first transverse support, and the vertical support, the first transverse support and the first fixing rods together constitute a front support member, and the support and positioning of the front bumper are ensured by the entire front support member.

[0008] Preferably, a first side support is fixedly arranged between the vertical rod and the first transverse support, a third side support is fixedly arranged between the end of the frame rod and the upper end of the corresponding connecting rod, a second side support is fixedly arranged between the lower support rod and the connecting rod, the first side support and the second side support, the second side support and the third side support are fixedly connected by multiple connecting rods, the first side support, the second side support and the third side support are arranged in sequence from outside to inside and from bottom to top, a top rod is fixedly arranged on the outer side of the front end of the second side support, and the other end of the top rod faces above the first side support, the first side support, the second side support, the third side support and the top rod together constitute a side support member, and the support of the left and right fender frames of the front enclosure and the positioning and support of the skin are completed through the entire side support member.

[0009] Preferably, connecting pieces are fixedly provided between both ends of the second lateral support and the corresponding second side supports, and the second lateral support, the third side support and the connecting piece together constitute a middle support piece, and the support and positioning of the engine door are completed through the entire middle support piece.

[0010] Preferably, the connecting member includes a vertical rod and an oblique rod, the vertical rod is fixedly arranged above the second side support, the oblique rod is fixedly connected between the top of the vertical rod and the second lateral support, and the support and positioning of the corresponding skin of the engine compartment door are achieved through the cooperation of the vertical rod and the oblique rod.

[0011] Preferably, a front grille simulation tooling is fixedly arranged on the front side of the upper cross bar and the first cross support, and the front grille simulation tooling includes a positioning frame, a plurality of first positioning blocks are fixedly arranged on the top of the positioning frame, a plurality of second positioning blocks are fixedly arranged on the front side of the lower end of the positioning frame, and a support rod facing the upper front side is fixedly arranged in the middle part of the connecting rod, and the installation position of the front grille on the front side of the front enclosure is positioned by means of the plurality of positioning blocks and the support rod.

[0012] Preferably, the positioning frame is a rectangular frame with the upper end tilted toward the rear.

[0013] Preferably, two second fixing rods are fixedly arranged above the third lateral support, and the front electronic road sign is fixedly positioned by the second fixing rods.

[0014] Through the above technical solution, the beneficial effects of the utility model are:

[0015] 1. The utility model provides limited support for the front enclosure frame, thereby achieving effective and accurate positioning of the welding assembly of the skin during the overall assembly of the front enclosure, and realizing the overall prefabrication of the school bus front enclosure without the need for cooperation of the school bus body.

[0016] 2. The utility model realizes the support and positioning of the left and right fenders, the front bumper, the engine door, etc. of the front enclosure through a plurality of supporting parts, thereby ensuring the accurate positioning during the overall assembly of the front enclosure and effectively improving the production efficiency.

[0017] 3. The utility model uses the front grille simulation tooling to compare the surrounding skin parts, ensure the accurate positioning of the front skin parts, and reserve space for the subsequent installation of the front grille. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of the front enclosure.

[0020] Figure 3 The figure is a schematic diagram of the structure of the existing front panel frame assembly welding tooling.

[0021] Figure 4 The present invention is a structural schematic diagram of welding and assembling the front enclosure frame on the existing front enclosure frame welding tooling.

[0022] The numbers in the accompanying drawings are: 1 is a bottom support frame, 2 is a vertical support, 3 is a vertical rod, 4 is a first transverse support, 5 is a connecting rod, 6 is a support rod, 7 is a transverse rod, 8 is a frame rod, 9 is a third transverse support, 10 is an upper support rod, 11 is a lower support rod, 12 is a second transverse support, 13 is a first side support, 14 is a second side support, 15 is a third side support, 16 is a connecting rod, 17 is a top rod, 18 is a vertical rod, 19 is an oblique rod, 20 is a positioning frame, 21 is a first positioning block, 22 is a second positioning block, 23 is a first fixing rod, and 24 is a second fixing rod;

[0023] 100 is the area corresponding to the left and right fenders of the front enclosure, 200 is the area corresponding to the engine compartment door, 300 is the area corresponding to the front bumper, and 400 is the existing front enclosure frame assembly welding tooling. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] like Figure 1 to Figure 4 As shown, this embodiment provides a device for assembling the entire front wall of a school bus, which matches the front wall frame of the school bus and is used for assembling the front wall skin of the school bus. The front wall frame structure of the school bus is as shown in FIG. Figure 2 As shown, it includes a bottom support frame 1 and a front support member, a middle support member and a group of side support members arranged on the bottom support frame 1, the front support member is used to support and position the front bumper of the front enclosure, the side support members are used to support and position the left and right fenders of the front enclosure respectively, the middle support member is arranged between the two side support members, and is used to support and position the engine compartment door of the front enclosure, a front center grille simulation tooling is arranged above the front support member, which is used to compare the surrounding skin parts, and the front enclosure skeleton is supported and fixed by the front support member, and the overall assembly of the front enclosure, as well as the positioning and welding assembly of the skin are carried out on this basis, which effectively ensures the overall assembly accuracy and efficiency of the front enclosure, and can realize the assembly of the school bus front enclosure without the cooperation of the vehicle body.

[0026] The bottom support frame 1 is a rectangular frame surrounded by square rods, and two vertical supports 2 are fixedly arranged on the upper side of the front end of the bottom support frame 1, and two vertical rods 3 are fixedly arranged on the upper side of the rear end. The vertical supports include a lower rod, a top plate and an upper rod. A plurality of lower rods are fixedly arranged on the bottom support frame 1, and a top plate is fixedly arranged above the plurality of lower rods, and an upper rod is fixedly arranged above the top plate. The top plate is a parallelogram plate body inclined outward for supporting the front bumper, and a first transverse support 4 is fixedly arranged between the upper ends of the two vertical supports 2. The first transverse support 4 has a rod-like structure with arc-shaped rod bodies at both ends and a straight rod in the middle. Connecting rods 5 inclined toward the rear side are fixedly arranged on the upper sides of both ends of the first transverse support 4, and the connecting rods 5 are provided with upper sides of both ends of the straight rod, and an upper cross bar 7 is fixedly arranged between the upper ends of the two connecting rods 5.

[0027] A frame rod 8 is fixedly arranged on the front side of the vertical pole 3, a third transverse support 9 is fixedly arranged between the tops of the vertical poles 3, and two second fixing rods 24 are fixedly arranged above the third transverse support 9. The second fixing rods 24 are used to fix and limit the front electronic road sign, while ensuring the positioning accuracy and limitation of the entire front enclosure frame.

[0028] Upper support rods 10 are fixedly arranged between the two ends of the third transverse support 9 and the corresponding frame rods 8, and lower support rods 11 are fixedly arranged between the lower ends of the vertical rods 3 and the frame rods 8. The vertical rods 3, the frame rods 8 and the lower support rods 11 form a triangular structure to ensure support stability. A second transverse support 12 is fixedly arranged on the front side of the lower ends of the two upper support rods 10.

[0029] The first transverse support 4 , the second transverse support 12 and the third transverse support 9 have the same structure.

[0030] Two first fixing rods 23 are fixedly arranged on the lower side of the first transverse support 4, and the first fixing rods 23 are used to fix the front bumper connecting plate. The vertical support 2, the first transverse support 4 and the first fixing rods 23 together constitute a front support member, which is used to support and position the front bumper, and at the same time support and position the area 300 corresponding to the front bumper to ensure the skin assembly accuracy at this position.

[0031] A first side support 13 is fixedly arranged between the vertical rod 3 and the first transverse support 4, a third side support 15 is fixedly arranged between the end of the frame rod 8 and the upper end of the corresponding connecting rod 5, a second side support 14 is fixedly arranged between the lower support rod 11 and the connecting rod 5, and the first side support 13 and the second side support 14, and the second side support 14 and the third side support 15 are fixedly connected by a plurality of connecting rods 16. The first side support 13, the second side support 14 and the third side support 15 are connected from outside to inside, and the ... They are arranged in sequence from bottom to top, a push rod 17 is fixedly arranged on the outer side of the front end of the second side support 14, and the other end of the push rod 17 faces above the first side support 13. The first side support 13, the second side support 14, the third side support 15 and the push rod 17 together constitute a side support member, and the side support member ensures the support and limitation of the front enclosure frame corresponding to the left and right fenders, and at the same time, supports and positions the skin of the area 100 corresponding to the left and right fenders of the front enclosure during the assembly process, effectively ensuring the assembly accuracy and efficiency of the skin.

[0032] Connectors are fixedly provided between both ends of the second transverse support 12 and the corresponding second side support 14, and the connectors include a vertical rod 18 and an oblique rod 19. The vertical rod 18 is fixedly provided above the second side support 14, and the oblique rod 19 is fixedly connected between the top of the vertical rod 18 and the second transverse support 12. The second transverse support 12, the third side support 15, and the connector together constitute a middle support member, and the middle support member is used to ensure that the skin at the position 200 corresponding to the engine door is supported and positioned, thereby ensuring the positioning accuracy and assembly accuracy of the skin at this position.

[0033] The upper cross bar 7 and the front side of the first cross support 4 are fixedly provided with a front grille simulation tooling, and the front grille simulation tooling includes a positioning frame 20, and the positioning frame 20 is a rectangular frame with an upper end inclined toward the rear side, and the cross bar of the rectangular frame extends out of the positioning frame 20, and a plurality of first positioning blocks 21 are fixedly provided above the positioning frame 20, and a plurality of second positioning blocks 22 are fixedly provided on the front side of the lower end of the positioning frame 20, and a support rod 6 facing the upper front side is fixedly provided in the middle of the connecting rod 5. During the overall assembly of the front enclosure, the plurality of first fixing blocks 21, the plurality of second fixing blocks 22 and the two support rods 6 are used to ensure the comparison of the surrounding skin, thereby propping up the holes opened on the corresponding skin for the subsequent installation of the front grille, and at the same time further ensuring the accuracy of the overall assembly of the front enclosure.

[0034] During the overall production and assembly of the front enclosure, Figure 4 As shown, firstly, the existing front frame assembly welding tooling (such as Figure 3 The welding assembly of the front frame of the school bus is completed as shown in Figure 2As shown, the school bus front enclosure frame is then hoisted above the utility model and dropped, and the school bus front enclosure frame is supported and limited by the utility model, and then the skin is welded and assembled on the basis of the front enclosure frame on the utility model, and the support and positioning of the front enclosure frame at the front bumper position is realized by the front support member, so as to ensure the support and positioning of the skin in the area corresponding to the front bumper during the welding and assembly process, and the support and positioning of the front enclosure frame at the left and right fender positions is realized by the side support members, so as to ensure the support and positioning of the skin in the area corresponding to the left and right fenders during the welding and assembly process, and the support and positioning of the skin in the area corresponding to the engine door is realized by the middle support member, and the front center grille simulation tooling is used to ensure the welding and assembly accuracy of the skin at the front center grille position during the welding and assembly of the front enclosure skin, and a correct and accurate front center grille installation position is reserved, thereby realizing the overall assembly of the entire front enclosure, effectively ensuring the assembly consistency during operation, improving operation efficiency, and reducing the occurrence of quality problems.

[0035] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A device for integrally assembling the front wall of a school bus, which matches the front wall frame of the school bus and is used for assembling the front wall skin of the school bus, characterized in that: The invention comprises a bottom support frame (1) and a front support member, a middle support member and a group of side support members arranged on the bottom support frame (1), wherein the front support member is used to support and position a front bumper (200) of a front enclosure, the side support members are used to support and position left and right fenders (100) of the front enclosure respectively, the middle support member is arranged between the two side support members and is used to support and position an engine compartment door (300) of the front enclosure, and a front grille simulation tooling is arranged above the front support member for comparing with the surrounding skin members.

2. The device for integrally assembling the front enclosure of a school bus according to claim 1, characterized in that: Two vertical supports (2) are fixedly arranged on the upper side of the front end of the bottom support frame (1), and two vertical rods (3) are fixedly arranged on the upper side of the rear end; a first horizontal support (4) is fixedly arranged between the upper ends of the two vertical supports (2); connecting rods (5) arranged to be inclined toward the rear side are fixedly arranged on the upper sides of both ends of the first horizontal support (4); an upper horizontal rod (7) is fixedly arranged between the upper ends of the two connecting rods (5); a frame rod (8) is fixedly arranged on the front sides of the vertical rods (3); a third horizontal support (9) is fixedly arranged between the tops of the vertical rods (3); an upper support rod (10) is fixedly arranged between the two ends of the third horizontal support (9) and the corresponding frame rod (8); a lower support rod (11) is fixedly arranged between the lower ends of the vertical rods (3) and the frame rod (8); and a second horizontal support (12) is fixedly arranged on the front sides of the lower ends of the two upper support rods (10).

3. The device for integrally assembling the front enclosure of a school bus according to claim 2, characterized in that: Two first fixing rods (23) are fixedly arranged on the lower side of the first transverse support (4), and the vertical support (2), the first transverse support (4) and the first fixing rods (23) together constitute a front support member.

4. The device for integrally assembling the front enclosure of a school bus according to claim 2, characterized in that: A first side support (13) is fixedly arranged between the vertical rod (3) and the first transverse support (4); a third side support (15) is fixedly arranged between the end of the frame rod (8) and the upper end of the corresponding connecting rod (5); a second side support (14) is fixedly arranged between the lower support rod (11) and the connecting rod (5); the first side support (13) and the second side support (14), and the second side support (14) and the third side support (15) are fixedly connected by a plurality of connecting rods (16); the first side support (13), the second side support (14) and the third side support (15) are arranged in sequence from outside to inside and from bottom to top; a top rod (17) is fixedly arranged on the outer side of the front end of the second side support (14); the other end of the top rod (17) faces above the first side support (13); the first side support (13), the second side support (14), the third side support (15) and the top rod (17) together constitute a side support member.

5. The device for integrally assembling the front enclosure of a school bus according to claim 4, characterized in that: Connecting pieces are fixedly arranged between the two ends of the second transverse support (12) and the corresponding second side support (14), and the second transverse support (12), the third side support (15) and the connecting piece together constitute a middle support piece.

6. The device for integrally assembling the front enclosure of a school bus according to claim 5, characterized in that: The connecting member comprises a vertical rod (18) and an oblique rod (19); the vertical rod (18) is fixedly arranged above the second side support (14); and the oblique rod (19) is fixedly connected between the top of the vertical rod (18) and the second transverse support (12).

7. The device for integrally assembling the front enclosure of a school bus according to claim 2, characterized in that: A front grille simulation tooling is fixedly arranged on the front side of the upper cross bar (7) and the first cross support (4), and the front grille simulation tooling comprises a positioning frame (20), a plurality of first positioning blocks (21) are fixedly arranged on the top of the positioning frame (20), a plurality of second positioning blocks (22) are fixedly arranged on the front side of the lower end of the positioning frame (20), and a support rod (6) facing the upper front side is fixedly arranged in the middle of the connecting rod (5).

8. The device for integrally assembling the front enclosure of a school bus according to claim 7, characterized in that: The positioning frame (20) is a rectangular frame with the upper end tilted toward the rear.

9. The device for integrally assembling the front enclosure of a school bus according to claim 2, characterized in that: Two second fixing rods (24) are fixedly arranged above the third transverse support (9).

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