JPS63103780A - Engine assembling method for automobile - Google Patents

Abstract

PURPOSE:To carry out the positions of an engine at the initial process of engine assembly accompanying the lowering of said engine and improve workability by providing a mount bracket having a positioning means on an engine mounting. CONSTITUTION:An engine 29 is transferred to the upper part of a sub-frame 11, and the engine 29 is gradually lowered. Accompanying this lowering, the guide part 48 and a flange (a positioning means) 49 of a mount bracket 47 installed on an engine mounting 40 are slidingly brought into contact with the rear side face of a middle part width direction member in order. At the same time, a locate pin (a positioning means) 50 enters while being engaged with a locate hole 27, to carry out the positioning of the mount bracket 47. Then, by inserting bolts 75 into the assembling holes 46 of the mount bracket 47 thus positioned and fastening them to tapped holes 28, the mount bracket 47 is joined to the width direction member via the engine mounting 40. As a result, the fixing operation of the engine 29 to the sub-frame 11 can be extremely simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for assembling an automobile engine, which is fixed to a vehicle body via engine mounting.

2. Prior Art As a conventional engine assembly method, the one shown in Fig. 4 is generally used for practical use. (April 20, 1980 ■ Automotive Engineering Complete Book, published by Sankaido, Volume 19 "Automobile Manufacturing Method JR
(See page 223). In other words, this example shows a lift-up method, in which the body 1 is suspended on a hanger 2 and transported by an overhead conveyor 3, while the engine 4 is placed on a lifter 5 and the bodies 1-, It is pushed downward into the engine room 6 and fixed to a local part of the engine room 6 via an engine mounting (not shown).

Problems to be Solved by the Invention However, the front engine room 6 has a radiator core support that constitutes its front wall, rear wall, and left and right side walls.
Since the engine 4 is separated by the dash panel and the hood ledge panel, if the engine 4 is housed in the engine room B and then fixed via the engine mounting, the work space will be greatly restricted and work efficiency will be poor. However, this method often has disadvantages such as rounding, which requires fixing the body 1 from below, and forces the operator into an unreasonable posture.

The present invention has been made in view of such conventional problems, and provides a method for assembling an automobile engine that can significantly improve workability and automate the assembling work. It is something.

Means for Solving the Problems In order to solve the above-mentioned problems, in the present invention, an engine mounting is attached to the engine, and a positioning means that engages with the target member is provided on the vehicle body side mount portion of the engine mounting. A mounting bracket is provided, and the engine is lowered onto a subframe consisting of a plurality of members that constitute the bottom frame member of the vehicle engine room.
The Macnod bracket is assembled on a predetermined member via a positioning means and fastened and fixed to the member.

Operation In the above configuration, when the bracket is fastened and fixed to a predetermined member of the subframe, the engine is fixedly supported by the subframe via the engine mounting and the bracket.

Example An embodiment of the present invention will be described below according to one embodiment.

That is, as shown in FIG. 2, the vehicle body 7 to which the engine 41L+ is attached according to this embodiment has an upper body 8 which is a block above the door waist lines W and L, a lower body 9 below, and a space between the front end of the vehicle body 1. It consists of an engine compartment 10 including an engine room 6.

It consists of a combination of width direction members 12, 13, 14 and front and rear direction members 15°, 16, 17, and 18 in a parallel cross shape. On both sides of the front vehicle width direction member 12, there are struts 19°19.
A locating hole 20 is provided on the upper surface of the support column 19.19, and connecting pieces 21.21 extend from both sides of the upper end. Furthermore, a locating hole 23 and a sign plate 24, 24 are provided on the upper surface of the front vehicle width direction member 12, and a guide plate 25 is provided on the rear surface, and two radiators 2B are provided near one of the pillars 1g. The locating hole 27 and the sign plate 28 are also installed on the upper surface of the intermediate vehicle width direction member 13.
, 2g are formed. On the other hand, the engine 29 is integrally provided with a transaxle 30.
An engine mounting 32 having an arm 31 that is vertically movable at a predetermined angle is mounted on the front surface 211a of the engine 9. A mount bracket 34 having assembly holes 33, 33 on both sides is pivotally supported on the distal end portion 31aK of the arm 31, which is the vehicle body side mount portion. The front and rear edges of the mount bracket 34 are provided with a flange 3 with a positioning means having a guide portion 35 extending outward at the lower end.
Two pins B are provided vertically, and a locate pin 38, which serves as a positioning means, is also provided vertically on the lower surface of the mount bracket 3T. Further, as shown in FIG. 3, opposing triangular plates 39.39 are attached to the rear surface 29b of the engine 29, and the engine mounting 40 is mounted on the inner surface of the plate 39.39. Inserted bolt 42
Nyo) It's installed. A substantially U-shaped stay 45 is fitted into the front hole inner cylinder 41 via an insulator rubber 43 and fixed to the outside (15a), and the lower end of the stay 45 has assembly holes 46 on both sides. A mount bracket 4 having a diameter of .46 is fixed.
The edge of 11i1 has a guide portion 4 extending outward at the lower end.
A 7 flange 49 serving as a positioning means having a flange 8 is vertically provided, and a locate pin 50 serving as a positioning device is also vertically provided on the lower surface of the mount bracket 47. Further, on the left side of the engine 29, a bolt 51.51 is provided upright on the top surface, and a locate hole 52 is installed between the bolts 51 and 51, and a bolt is provided on the top surface of the side of the transaxle 30. An engine mounting 55 with a 54° 54 angle is installed.

On the other hand, a partition member 58 forming a side wall of the engine room 6.
57 is composed of a side member 5B extending in the longitudinal direction of the vehicle body, a 97-dredge panel 59 joined to the outside of the side member 58, and a reinforcement 60 joined to the upper outside of the 7-dredge panel 58, and A locating pin 61 is provided on the upper surface of the front end of the side member 58, and a connecting plate 82 is provided on the rear end. One of the bulkhead members 5B is equipped with an engine mounting 64 having a bracket (2) 83 attached to the end surface, and the bracket 83 is provided with a tube body 85.85.
．． A locate via 6B is vertically provided at the center of the lower end of the pin 65. A bracket 67 having a substantially U-shaped cross section is attached to the other partition wall member 5T.
A pair of assembly holes 68, 68 are formed. Also, the radiator core support B9 that constitutes the front wall of the engine room 6
A connecting piece 70, 70 is formed on the upper edge of the holder, and a cross member 11 is attached to the lower part of the holder.

Furthermore, a connecting piece 73, 73 that can be inserted into the reinforcement BO is formed at the upper end of the dash panel 72 constituting the rear wall of the engine room B, and a connecting piece 14 for connecting to the lower body S is formed at the lower end. is formed.

Therefore, the subframe 11 is
The engine 28 is moved above the engine 28, and the carrot 29 is gradually lowered. Then, the mount bracket 34 pivotally supported by the engine mounting 32
The flange 3B is slidably fitted onto the front side surface of the flange 5, and the flange 3B of the flange 3B is further fitted onto the vehicle width direction member 12. At the same time, locate pin 3
8 enters and engages with the locating hole 23, and the mount bracket 34 is positioned. On the other hand, according to the mount bracket 4T attached to the rear side portion 29b of the engine 29, as the engine 29 descends, the guide portions 48 and 7
The flange 48 comes into sliding contact with the rear surface of the J-type intermediate vehicle width direction member 13, and at the same time, the locate pin 50 enters and engages the locate hole 2T, and the mount bracket 47
positioning is performed. Then, insert the bolts 74, 74, 75.75 into the assembly holes 33° 33.46, 46 of both mount brackets 34.47 positioned in this way, and fasten them to the wire holes 24, 24, 28, 28. In particular, both mounting brackets 34.47 are connected to each transverse member 12.13 via an engine mounting 32.40. Therefore, as the engine 29 is lowered, the positioning of the engine mounting 32, 40, which is the initial process of fixing the engine 29, inevitably proceeds, and only the screwing of the bolts 74, 75 is separately performed. By this, the engine 29 is connected to the subframe 11.
Fixed. Therefore, the work of fixing the engine 29 is extremely light), thereby improving the workability, and by using a robot to perform the screwing work, the work of fixing the engine 29 can be automated. is OT
Particularly in this embodiment, the partition members 56, 57, etc. have not yet been attached at this point, and the surroundings of the sub-frame 11 are open, so the screwing work and robot control are difficult. This makes it easier. And then,
When both corner wall members 56 and 57t - side 7 and the upper side of the frame 11 are lowered, the front end of the side member 58 is inserted between the connecting pieces 21 and 21 on the upper part of the column 19, and the locate via 61 is inserted into the locate hole. Invade 20.

At the same time, the locating pins B and 6 provided on one F4 wall member 5B enter the locating hole 52 of the corresponding bracket 53, and accordingly, the bolts 51 and 51 are inserted into the tube bodies 65 and 65. At the same time, the bracket 670 assembly hole 88 provided in the other ¥4 wall member 57.
88 is the engine mounting 55 bolts 54,5
4 is inserted. Therefore, the screw 76... fixes the front i part of the side member 58 to the support 19, and tightens the nut 76.
．． 77 to each bolt 51° and 54 and connect play)
62.62 to the longitudinal member IT, 18 by a coupling means (not shown), the l114 wall member 5
6.57 is assembled in the correct position. Next, the radiator core support 69 is bolted to the front of the front vehicle width direction member 12, and the radiator core support B
The connecting piece 70 formed on the upper edge of the dash panel 9 is connected to the 7-drejing panel 5s, and at the same time, the connecting piece 73 of the dash panel 72 is inserted into the reinforcement 6G and fixed with bolts. By doing this, the four sides are placed on the frame 11 on both sides.
An engine converter (10) having an engine room B surrounded by wall members 58, 57, a radiator support 89, and a dash panel T2 is completed. This completed engine compartment 10 is then connected to the white apody 9 and upper body 8 by suitable connecting means. In the above embodiment, the guide plate 25 was attached to the front vehicle width direction member 12 to guide the mount bracket 34, but the subframe 1
It is also possible to attach a guide plate 25 to the truck on which the vehicle 1 is placed, thereby guiding the mount bracket 34 onto the vehicle width direction member 12.

DETAILED DESCRIPTION OF THE INVENTION As described above, the present invention includes mounting an engine mounting on an engine, providing the engine mounting with a mount bracket having a positioning means, and lowering the engine onto a subframe consisting of a plurality of members. , the mounting bracket is positioned and fixed to the member. Therefore, as the engine is lowered, the initial stage of engine assembly is determined, and after the engine is installed on the subframe, the assembly work is completed by simply fixing the mount bracket. do. Therefore, the work required to fix the engine is extremely light, and the amount of work required in limited work space is drastically reduced, improving work efficiency and reducing the burden on the worker, as well as making it easier to control the robot. This can promote automation of engine assembly work.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of the present invention, and FIG. 2 is a perspective view showing an embodiment of the present invention.
FIG. 3 is a conceptual diagram of the vehicle body according to the same embodiment, FIG. 3 is an exploded perspective view of essential parts of the same embodiment, and FIG. 4 is an explanatory diagram showing a conventional engine assembly method. 11... Subframe, 12, 13. 14... Vehicle width direction member, 15, 113. IT, 18... Anteroposterior member, 29... Engine, 32.40... Engine mounting, 34.47... Mount bracket), 36.49... 7 Lunge (positioning means), 38
．． 50... Locate pin (positioning means). Figure 2 Figure 3

Claims (1)

[Claims] (1) An engine mounting is attached to the engine, and a mount bracket equipped with a positioning means that engages with the target member is provided on the vehicle body side mount portion of the engine mounting, and a plurality of members constituting the bottom frame member of the vehicle engine room are provided. 1. A method for assembling an engine for an automobile, comprising lowering the engine onto a subframe consisting of a subframe, and fastening and fixing the mount bracket to a predetermined member via a positioning means.