Heavy truck lower front wall split charging tool

Abstract

The utility model discloses a heavy truck lower front wall split charging tool which comprises a bottom frame, a walking wheel assembly and four longitudinal supporting rods, and the upper ends of the longitudinal supporting rods are connected with a supporting bracket in an inserted connection mode. The supporting brackets are provided with positioning supporting parts matched with the heavy truck lower front wall face mask, and the supporting brackets on every two adjacent longitudinal supporting rods are connected with the heavy truck lower front wall face mask together so as to support the heavy truck lower front wall face mask. The tool can bear two lower front wall masks at a time, overturning assembly is not needed during assembly, assembly accessories are completed on the lower front wall split charging tool at a time, the collision and scratch risks caused by manual overturning are eliminated, the lower front wall split charging tool is transferred to an on-line assembly station in a train mode after assembly is completed, operation and transfer are very convenient, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heavy truck assembly, in particular to a heavy truck lower front wall subassembly tooling. Background Art

[0002] At present, during the subassembly process of the lower front panel of heavy trucks, carpet-style assembly is used, and there is no suitable subassembly tooling. In addition, the assembly process requires two people to cooperate in flipping and erecting the lower front panel to assemble the parts, and then lift it to the line side for assembly of the whole vehicle.

[0003] However, there are the following problems in the packaging process of the prior art:

[0004] 1. There is no sub-assembly tooling. The sub-assembly adopts carpet-style assembly. The lower front panel needs to be flipped forward and backward to assemble the left and right headlights, headlight covers and exterior trims, which can easily cause bumps on the lower front panel and scratches on the paint surface;

[0005] 2. Two people are required to cooperate in turning over the lower front mask, which is laborious, time-consuming and labor-intensive;

[0006] 3. The pace of packaging and transportation is slow, the labor cost is high, and the work efficiency is low.

[0007] Therefore, based on the above technical problems, technicians in this field urgently need to develop a heavy truck lower front panel sub-assembly tooling. Utility Model Content

[0008] The utility model aims to provide a heavy truck lower front panel subassembly tool, which can simultaneously position and support two lower front panel masks and provide sufficient space for component assembly. The tool is easy to use as a whole, reduces costs and improves assembly efficiency.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] The utility model discloses a heavy truck lower front wall subassembly tool, which comprises:

[0011] Bottom frame;

[0012] A travel wheel assembly integrated into the bottom frame; and

[0013] Four longitudinal support rods connected to the bottom frame and extending in the vertical direction, wherein the upper ends of the longitudinal support rods are connected to support brackets by plug-in connection;

[0014] The support bracket has a positioning support portion that cooperates with the lower front cover of the heavy truck, and the support brackets on the two adjacent longitudinal support rods are connected to the lower front cover of the heavy truck to support the lower front cover of the heavy truck.

[0015] Furthermore, the bottom frame is fixed to a quadrilateral frame structure by welding two vertical beams and two horizontal beams;

[0016] A caster mounting plate is welded and fixed at the connection between the vertical beam and the horizontal beam, and the walking wheel assembly is installed at the bottom of the caster mounting plate.

[0017] Furthermore, the walking wheel assembly is divided into:

[0018] Two swivel wheels and two fixed wheels.

[0019] Furthermore, the four longitudinal support rods are respectively assembled and fixed to the vertical beams of the bottom frame at positions close to one end of the horizontal beam;

[0020] The longitudinal support rod is assembled and fixed to the vertical beam via a connecting piece.

[0021] Further, the connector is configured as a T-shaped connector;

[0022] The connecting piece comprises:

[0023] A first connecting member and a second connecting member, wherein the first connecting member and the second connecting member are perpendicular to each other;

[0024] The first body of the connecting member is fixedly connected to the outer side surface of the vertical beam, and the second body of the connecting member extends to the outer side surface of the longitudinal support rod and is assembled and fixed to the longitudinal support rod through a fastener.

[0025] Furthermore, the longitudinal support rod is a square tube with a hollow interior;

[0026] The support bracket is plugged into the upper part of the longitudinal support rod.

[0027] Furthermore, the support bracket comprises:

[0028] a first square tube, wherein the cross-sectional dimension of the first square tube is smaller than the cross-sectional dimension of the longitudinal support rod, and the first square tube can be inserted into the longitudinal support rod;

[0029] a second square tube welded and fixed to the first square tube, the second square tube being perpendicular to the first square tube and welded and fixed to the upper end of the first square tube; and

[0030] a third tube welded and fixed to the end of the second square tube away from the first square tube, and a steel plate is welded and fixed to the end of the third tube away from the second square tube;

[0031] The third square tube is perpendicular to the second square tube;

[0032] A bolt is arranged at the center of the steel plate, and the bolt serves as the positioning support portion.

[0033] Furthermore, when the support bracket is embedded in the longitudinal support rod, the second square tube extends toward the outer side of the vertical beam on the corresponding side, and the third square tube and the bolt extend toward the outer side of the horizontal beam on the corresponding side.

[0034] In the above technical solution, the utility model provides a heavy truck lower front wall subassembly tooling, which has the following beneficial effects:

[0035] The tooling of the utility model can carry two lower front panel masks at a time, and there is no need to flip the assembly during assembly. The assembly accessories are completed on the lower front panel sub-assembly tooling at one time, eliminating the risk of bumps and scratches caused by manual flipping. After the assembly is completed, the tooling is transported to the online assembly station in a train-like manner. The operation and transportation are very convenient, which improves the assembly efficiency.

[0036] The tooling of the utility model adopts the positioning support method and the accessory assembly operation space design according to the lower front face mask structure and assembly accessories, which is convenient to operate, easy and fast, reduces labor intensity and improves work efficiency. When the tooling is used for subassembly, the working hours of two people are reduced from 35min / unit to 21.6min / unit, and the total working hours are reduced by 38.2%, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. It is obvious that the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0038] Figure 1 It is a structural schematic diagram of the heavy truck lower front wall subassembly tooling disclosed in the embodiment of the utility model;

[0039] Figure 2 It is a schematic structural diagram of a support bracket of a heavy truck lower front panel subassembly tooling disclosed in an embodiment of the utility model.

[0040] Description of reference numerals:

[0041] 1. Universal wheel; 2. Connector; 3. Longitudinal support rod; 4. Support bracket; 5. Fixed wheel; 6. Caster mounting plate; 7. Vertical beam; 8. Horizontal beam; 9. First square tube; 10. Second square tube; 11. Third square tube; 12. Steel plate; 13. Bolts;

[0042] 201. A first connecting member; 202. A second connecting member. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0044] See also Figure 1 to Figure 2 As shown;

[0045] A heavy truck lower front wall subassembly tool of this embodiment includes:

[0046] Bottom frame;

[0047] A travel wheel assembly integrated into the bottom frame; and

[0048] Four longitudinal support rods 3 connected to the bottom frame and extending in the vertical direction, the upper ends of the longitudinal support rods 3 are connected to support brackets 4 by plug-in connection;

[0049] The support bracket 4 has a positioning support portion that cooperates with the lower front cover of the heavy truck. The support brackets 4 on two adjacent longitudinal support rods 3 are connected to the lower front cover of the heavy truck to support the lower front cover of the heavy truck.

[0050] Specifically, the present embodiment discloses a subassembly tool for the lower front face mask suitable for a heavy truck production workshop, which integrates the support, accessory assembly and transportation of the lower front face mask. The tool mainly includes a bottom frame, a running wheel assembly and four longitudinal support rods 3, and each longitudinal support rod 3 is provided with a support bracket 4 in a plug-in and fixed manner. The bottom frame of the present embodiment is a rectangular frame structure, wherein the two longitudinal support rods 3 at one end and the support bracket 4 thereon jointly position and support a lower front face mask, so that two lower front face masks can be positioned, supported and assembled with accessories on the bottom frame at the same time, and finally the whole tool is moved to the production line using the running wheel assembly to meet the design requirements of transportation.

[0051] Preferably, the bottom frame of this embodiment is welded and fixed to a quadrilateral frame structure by two vertical beams 7 and two horizontal beams 8;

[0052] A caster mounting plate 6 is welded and fixed at the connection between the vertical beam 7 and the horizontal beam 8 , and the walking wheel assembly is installed at the bottom of the caster mounting plate 6 .

[0053] Among them, the walking wheel assembly of this embodiment is divided into:

[0054] Two universal wheels 1 and two fixed wheels 5.

[0055] Preferably, the four longitudinal support rods 3 of the present embodiment are respectively assembled and fixed to the vertical beam 7 of the bottom frame at a position close to one end of the horizontal beam 8 ; the longitudinal support rods 3 are assembled and fixed to the vertical beam 7 via the connecting piece 2 .

[0056] In order to achieve detachable installation of the longitudinal support rod 3 and the bottom frame, the connector 2 of this embodiment is configured as a T-shaped connector;

[0057] The connecting piece 2 comprises:

[0058] The first connecting member body 201 and the second connecting member body 202 are perpendicular to each other;

[0059] The first connecting member 201 is fixedly connected to the outer side surface of the vertical beam 7, and the second connecting member 202 extends to the outer side surface of the longitudinal support rod 3 and is assembled and fixed to the longitudinal support rod 3 through a fastener.

[0060] The longitudinal support rod 3 of this embodiment is assembled with the vertical beam 7 of the bottom frame by means of a connector 2 and a fastener, wherein the connector 2 is a T-shaped connector, and its first connector body 201 can be welded and fixed to the vertical beam 7 or assembled and fixed by fasteners, while the longitudinal support rod 3 of this embodiment is assembled and fixed to the second connector body 202 by means of fasteners, thereby realizing a detachable connection.

[0061] Preferably, the longitudinal support rod 3 of this embodiment is a square tube with a hollow interior;

[0062] The support bracket 4 is plugged into the upper portion of the longitudinal support rod 3 .

[0063] Preferably, the support bracket 4 of this embodiment includes:

[0064] A first square tube 9, the cross-sectional dimension of the first square tube 9 is smaller than the cross-sectional dimension of the longitudinal support rod 3, and the first square tube 9 can be inserted into the longitudinal support rod 3;

[0065] a second square tube 10 welded and fixed to the first square tube 9, wherein the second square tube 10 is perpendicular to the first square tube 9 and welded and fixed to the upper end of the first square tube 9; and

[0066] A third square tube 11 is welded and fixed to the end of the second square tube 10 away from the first square tube 9, and a steel plate 12 is welded and fixed to the end of the third square tube 11 away from the second square tube 10;

[0067] The third square tube 11 is perpendicular to the second square tube 10;

[0068] A bolt 13 is provided at the center of the steel plate 12 , and the bolt 13 is a positioning support portion.

[0069] When the support bracket 4 of this embodiment is embedded in the longitudinal support rod 3, the second square tube 10 extends toward the outside of the vertical beam 7 on the corresponding side, and the third square tube 11 and the bolt 13 extend toward the outside of the horizontal beam 8 on the corresponding side.

[0070] This embodiment further defines the structure of the support bracket 4, as well as the specific layout requirements of the positioning support portion after the support bracket 4 is integrated. The support bracket 4 of this embodiment is mainly formed by welding three square tubes, wherein the first square tube 9 is a plug-in part that can be embedded in the longitudinal support rod 3; the second square tube 10 and the third square tube 11 are structures with the extension length and extension direction designed according to the support point of the lower front panel, and finally the steel plate 12 is welded at the end of the third square tube 11, and the bolts 13 are set. When positioning the support, the bolts 13 of the two support brackets 4 are connected and contacted with the corresponding positions of the lower front panel to achieve support, and the entire tooling supports the two lower front panels at both ends, so the middle, upper and lower parts are all formed as assembly operation spaces for accessories.

[0071] In the above technical solution, the utility model provides a heavy truck lower front wall subassembly tooling, which has the following beneficial effects:

[0072] The tooling of the utility model can carry two lower front panel masks at a time, and there is no need to flip the assembly during assembly. The assembly accessories are completed on the lower front panel sub-assembly tooling at one time, eliminating the risk of bumps and scratches caused by manual flipping. After the assembly is completed, the tooling is transported to the online assembly station in a train-like manner. The operation and transportation are very convenient, which improves the assembly efficiency.

[0073] The tooling of the utility model adopts the positioning support method and the accessory assembly operation space design according to the lower front face mask structure and assembly accessories, which is convenient to operate, easy and fast, reduces labor intensity and improves work efficiency. When the tooling is used for subassembly, the working hours of two people are reduced from 35min / unit to 21.6min / unit, and the total working hours are reduced by 38.2%, thereby improving production efficiency.

[0074] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. Heavy truck lower front wall subassembly tooling, characterized by: The sub-packaging tool includes: Bottom frame; A travel wheel assembly integrated into the bottom frame; and Four longitudinal support rods (3) connected to the bottom frame and extending in the vertical direction, the upper ends of the longitudinal support rods (3) being connected to support brackets (4) by plug-in connection; The support bracket (4) has a positioning support portion that cooperates with the lower front cover of the heavy truck, and the support brackets (4) on the two adjacent longitudinal support rods (3) are connected to the lower front cover of the heavy truck to support the lower front cover of the heavy truck.

2. The heavy truck lower front wall subassembly tooling according to claim 1, characterized in that: The bottom frame is welded and fixed into a quadrilateral frame structure by two vertical beams (7) and two horizontal beams (8); A caster mounting plate (6) is welded and fixed at the connection between the vertical beam (7) and the horizontal beam (8), and the walking wheel assembly is mounted at the bottom of the caster mounting plate (6).

3. The heavy truck lower front wall subassembly tooling according to claim 2, characterized in that: The walking wheel assembly is divided into: Two universal wheels (1) and two fixed wheels (5).

4. The heavy truck lower front wall subassembly tooling according to claim 2, characterized in that: The four longitudinal support rods (3) are respectively assembled and fixed to the vertical beam (7) of the bottom frame at a position close to one end of the horizontal beam (8); The longitudinal support rod (3) is assembled and fixed to the vertical beam (7) via a connecting piece (2).

5. The heavy truck lower front wall subassembly tooling according to claim 4, characterized in that: The connector (2) is configured as a T-shaped connector; The connecting member (2) comprises: A first connecting member (201) and a second connecting member (202), wherein the first connecting member (201) and the second connecting member (202) are perpendicular to each other; The first connecting member (201) is fixedly connected to the outer side surface of the vertical beam (7), and the second connecting member (202) extends to the outer side surface of the longitudinal support rod (3) and is assembled and fixed to the longitudinal support rod (3) via a fastener.

6. The heavy truck lower front wall subassembly tooling according to claim 4, characterized in that: The longitudinal support rod (3) is a square tube with a hollow interior; The support bracket (4) is plugged into the upper part of the longitudinal support rod (3).

7. The heavy truck lower front wall subassembly tooling according to claim 6, characterized in that: The support bracket (4) comprises: A first square tube (9), the cross-sectional dimension of the first square tube (9) being smaller than the cross-sectional dimension of the longitudinal support rod (3), and the first square tube (9) being capable of being inserted into the longitudinal support rod (3); a second square tube (10) welded and fixed to the first square tube (9), the second square tube (10) being perpendicular to the first square tube (9) and welded and fixed to the upper end of the first square tube (9); and a third party tube (11) welded and fixed to the end of the second square tube (10) away from the first square tube (9), and a steel plate (12) is welded and fixed to the end of the third party tube (11) away from the second square tube (10); The third square tube (11) is perpendicular to the second square tube (10); A bolt (13) is arranged at the center of the steel plate (12), and the bolt (13) serves as the positioning support portion.

8. The heavy truck lower front wall subassembly tooling according to claim 7, characterized in that: When the support bracket (4) is embedded in the longitudinal support rod (3), the second square tube (10) extends toward the outside of the vertical beam (7) on the corresponding side, and the third square tube (11) and the bolt (13) extend toward the outside of the horizontal beam (8) on the corresponding side.

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