JP2001073797A - Engine lifting device for automoble - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for lifting up engine over the body safely and securely. SOLUTION: With this lifting device, abranch part 20 protruding toward one end of crossbeam 16 is connected with top to bottom axis at center free to rotate and adjust as well as free to move back, forth, left, and right. A single leg 30 protruding downward to the other end part of crossbeam 16 is connected, and a coupling nut 23 is screwed with bolt 8 fitted at spring upper support 7a at one leg of branching legs 20, and at bottom of the other leg 25 of branching legs 20, first connecting tool 26 is provided connecting to strength member 6 at one side of engine room 2, at bottom of single leg 30, second connecting tool 31 getting in touch with strength member 10 of the other side part of engine room 2, and a combining arm 36 is provided to connect to bolt fitted at spring upper support 7b, at mid part toward top to bottom direction of single leg 30. A hoist 40 is provided for lifting engine 3 at mid part of crossbeam 16 in left and right direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine suspension apparatus for lifting an engine on a vehicle body when repairing or inspecting parts or an engine provided in an engine room.

[0002]

2. Description of the Related Art As a conventional technique, Japanese Utility Model Application Laid-Open No.
There is an invention described in Japanese Patent No. 386. That is, a fork-shaped branch leg having a pair of leg pieces at predetermined intervals in the front-rear direction is provided at both ends of a laterally elongated cross beam, and a short cylindrical abutment member is provided at a lower portion of each leg piece of the branch leg. The left and right abutments are fixed on the left and right apron ribs of the front fender, and a hoisting machine is provided at the left and right middle part of the cross beam. There was one that lifted the engine mounted on the car.

[0003]

In the above-mentioned prior art, each of the abutment members of the branch leg is placed on the left and right apron rib portions of the front fender and is not fixed to the vehicle body, so that safety is reduced. It was poor. Also, depending on the model, the load strength of the apron rib portion is partially increased, and the entire area of the apron rib portion does not have the load strength that can withstand the load of the engine. There was a problem such that it could not be used.
SUMMARY OF THE INVENTION An object of the present invention is to provide a new automobile engine suspension device that solves the above-mentioned problems.

[0004]

Means for Solving the Problems The present invention is configured as follows to achieve the above object. That is, according to the invention of claim 1, a fork-shaped branch leg protruding downward is connected to one end of a laterally elongated transverse beam so as to be rotatable about a vertical axis and to be movable and adjustable in the front-back direction and the left-right direction. The other end of the cross beam is connected to a columnar single leg projecting downward, and the lower leg of one of the branch legs is screwed with a bolt provided on a spring upper support of a front suspension on one side. A nut is provided, a first abutting member is provided at a lower portion of the other leg of the branch leg to contact a strength member on one side of the engine room, and a strength member on the other side of the engine room is provided at a lower portion of the single leg. And a connecting arm for connecting a vertical intermediate portion of the single leg to a bolt provided on a spring upper support of a front suspension on the other side, and a left arm of the cross beam. It is obtained by the configuration in which the hoist frying hanging engine in an intermediate portion. The invention of claim 2 is
The first abutment is adapted to abut on a head of a bolt provided on an apron rib on one side of the front fender. According to a third aspect of the present invention, the second abutment is rotatably connected to a lower portion of the single leg. According to a fourth aspect of the present invention, the hoist is provided on the cross beam so as to be movable in the left-right direction and swingable about a vertical axis.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. In the drawings, FIG. 1 is a perspective view showing a use state of a suspension device according to a first embodiment of the present invention, FIG. 2 is a cross-sectional side view of a main part showing a branch leg of the suspension device according to the present invention,
FIG. 3 is a side view showing a single leg portion of the hoisting device according to the present invention, FIG. 4 is a sectional side view showing a main part of a hoisting portion of the hoisting device according to the present invention, and FIG. 5 is a hoisting device according to a second embodiment of the present invention. It is a perspective view which shows the use condition of an apparatus.

In FIG. 1, reference numeral 1 denotes an automobile, and an engine 3, a battery 4, and auxiliaries such as a radiator are housed in an engine room 2 in a front part. 5 (5a, 5
b) is an apron rib portion of the front fender, and a head portion 6 of a bolt for fixing the front fender is exposed at an intermediate portion in the front-rear direction. Reference numeral 7 (7a, 7b) denotes a spring upper support of the front suspension, and a plurality of screw portions 8 of bolts for fixing the spring upper support 7 are exposed on the upper surface at a predetermined pitch in a circumferential direction. Reference numeral 9 denotes a hood for opening and closing the engine room 2.

Reference numeral 15 denotes a lifting device for lifting and lifting the engine 3. As shown in FIG. 1, a branch leg 20 is provided at the left end of the elongated transverse beam 16, a single leg 30 and a connecting arm 36 are provided at the right end, and The part has a hoist 40. The cross beam 16 is formed of a square pipe made of steel and has a branch leg 20 at the left end.
Form a slit 16a that can be adjusted to move left and right.

The branch leg 20 is as shown in FIGS. That is, the rear leg 22 which forms one leg piece at the rear end (the right end in FIG. 2) of the girder 21 made of a square pipe,
The front legs 25, which are the other leg pieces, are fixed to the front end (the left end in FIG. 2) by welding downward. The rear leg 22 is linearly projected downward, and a connecting nut 23 is detachably attached to a lower end portion. As shown in FIG. 2, the connection nut 23 has a lower portion of the shaft center threadedly engaged with the screw portion 8 of the bolt exposed from the spring upper support 7a on the left side in FIG. The lower end of the rear leg 22 is fastened and fixed by a fastening bolt (wing bolt) 24 screwed from the side of the connection nut 23 into the lower end.

The front leg 25 has an intermediate portion bent toward the rear side, the lower end of the front leg 25 is set so as to have a predetermined distance from the connection nut 23, and the lower end of the front leg 25 has a first contact piece 26. Screw. The first abutment 26 is formed in an inverted conical shape in which the lower end is reduced, and the lower end of the first abutment 26 is, as shown in FIG.
a. Contact the head 6 of the bolt provided at a. As shown in FIG. 2, the head 6 has an upper surface formed as a frustum-shaped recess, and a lower end of the first contact member 26 is formed in an inverted conical shape so as to fit into the recess. The bolt having the head 6 fixes the front fender, and the portion of the apron rib portion 5a where the bolt is located is formed to have high strength.

An elongated slit 2 extending in the front-rear direction is formed in the middle of the upper surface of the spar 21 connecting the rear leg 22 and the front leg 25.
As shown in FIG. 2, the connecting bolt 27 is inverted and inserted in this portion so as to be slidable in the front-rear direction, and the screw portion 27a is projected upward. The screw portion 27a is slidably inserted into the slit 16a of the cross beam 16 in the left-right direction, and a tightening nut (wing nut) 28 is inserted into the upper end thereof.
By this, the branch leg 20 is connected to the left end of the cross beam 16 so as to be rotatable about the vertical axis and to be movable in the front-rear direction and the left-right direction.

The above-mentioned single leg 30 is formed by a square pipe, and as shown in FIGS.
Are connected to each other via a fulcrum pin 32 so as to be rotatable about the left and right axes, and a vertical slit 33 is formed in the upper part. A bolt (butterfly bolt) 34 screwed into the slit 33 at the right end of the cross beam 16 is formed. The shaft is fitted, and the bolt 34 is tightened to fix the single leg 30 to the right end of the cross beam 16. The second
The abutment tool 31 is an apron rib 5b on the right side in FIG.
The battery 4 is placed on the front frame (chassis) 10 through the gap between the battery and the battery 4. The frame 10 is shown in FIG.
As shown in (1), a rib 10a is formed on the upper surface and reinforced, and the second abutment 31 is placed across the rib 10a. Thereby, as shown in FIG.
Is disposed on the front side of the branch leg 20 described above,
Above the engine room 2 so that the right part is located on the front side than the left part.

The single leg 30 is held upright via a connecting arm 36 made of steel plate. That is, as shown in FIG. 3, a T-shaped connecting piece 3 having a wide upper and lower portion is provided at the front end of the connecting arm 36.
6a, and the upper and lower ends of the connecting piece 36a are
The bolt 37 is inserted into the upper and lower center portions of the connecting piece 36a from the connecting arm 36 side, and a tightening nut (wing nut) is inserted into the screw portion of the bolt 37. ) 38 is screwed and fixed. Also,
The intermediate portion of the connecting arm 36 in the front-rear direction is twisted so that the rear end portion 36b is oriented horizontally, and the rear end portion 36b is connected to the screw portion 8 of the bolt protruding from the spring upper support 7b of the front suspension on the right side in FIG. The tightening nut (wing nut) 39 is fitted to the upper end of the screw portion 8.
Is screwed and fixed.

Reference numeral 40 denotes a chain block type hoist suspended from the left and right intermediate portions of the cross beam 16 described above, and is supported via a holder 41 so as to be movable in the left and right directions and swingable in the front and rear directions. As shown in FIG. 4, the holder 41 is formed in a channel shape, is fitted to the cross beam 16 so as to be slidable left and right, and is fixed to the cross beam 16 by a fixing bolt 42. A gutter-shaped bracket 4 is provided below the holder 41.
1a is fixed by welding, and slits 41b in the front-rear direction are formed at both right and left ends of the bracket 41a.
The lifting bolt 43 is slidably inserted downward, and the lifting bolt 42 is used to
a. A nut 44 is screwed to the lower end of the suspension bolt 42. The hoisting machine 40 may be connected to the holder 41 via a ball joint so that the hoisting machine 40 can swing in the non-direction with respect to the vertical axis.

The hoist 40 winds and unwinds the chain 46 by rotating the hoisting shaft 45 in the normal and reverse directions, and attaches the hook 46a (FIG. 1) attached to the lower end of the chain 46 to the engine 3. The engine 3 is hoisted and hung on a hook 3a such as a hanging ring or a hook provided.

According to the first embodiment, the rear leg 22 of the branch leg 20 has a screw portion 8 of a bolt for fixing the upper support 7a of the front suspension on one side (left side).
The front leg 25 of the branch leg 20 is supported by the bolt head 6 provided on the apron rib 5 of the front fender on the other side (right side), and the single leg 30 is supported by the other side. While being supported by the (right-side) front frame 10, it is connected via the connecting arm 36 to the screw portion 8 of a bolt for fixing the upper support 7 b of the front suspension on the other side (right side). . For this reason,
Each of the legs 22, 25, 30 is supported by a portion that withstands a large load, and is firmly held upright on the vehicle body using existing components.

Further, since the hoist 40 is supported by the holder 41 so as to be swingable in the front-rear direction with respect to the cross beam 16, when the engine 3 is hoisted, its locking portion 3 a
Will follow this even if it moves in the front-rear direction, so that a large bending moment centered on the left and right axes is not generated in the cross beam 16. Therefore, the engine 3 can be lifted safely and stably. Further, since the branch leg 20 on the left side in FIG. 1 is located on the rear side of the engine room 2, a working space can be provided on the left side of the engine 3 in FIG. Work such as replacement or mission repair / replacement becomes easier.

FIG. 5 shows a second embodiment. In this embodiment, a first abutment 26 ′ different from the above is screwed and connected to the lower end of the front leg 25 of the branch leg 20. As shown in the drawing, the lower part of the first abutment 26 'is the engine room 2
Is bent inward along the left tire house 11, and its lower end is placed on the left front frame (chassis) 10a. The other structure is substantially the same as that of the first embodiment. In this way, the front leg 25 can be firmly supported without being affected by the strength of the apron rib portion 5 of the front fender.

[0018]

As is apparent from the above description, claim 1
According to the invention according to the invention, the branch leg and the single leg connected to both ends of the cross beam are supported by a portion of the vehicle body that withstands a large load, and are firmly stood and held on the vehicle body side by using existing parts, and the engine is mounted. It can be safely lifted on the vehicle body. The invention according to claim 2 is such that the first abutment of the other (front) leg of the branch leg abuts on the head of a bolt provided on the apron rib on one side of the front fender. Therefore, the working space on the side of the engine can be enlarged while firmly supporting the other leg piece. According to the third aspect of the present invention, since the second abutment provided at the lower portion of the single leg is rotatable, the second abutment follows the support surface on the vehicle body side and makes uniform surface contact. , And the single leg can be stably supported. According to the invention of claim 4, the hoist suspended from and supported by the cross beam can be adjusted to move in the left-right direction with respect to the cross beam and can swing about the vertical axis. The engine can be moved to the vicinity of the hook (hook), and when the engine is lifted, even if the hook moves, a large bending moment is not generated in the cross beam. Can be hung up.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a suspension device according to a first embodiment of the present invention.

FIG. 2 is a sectional side view of a main part showing a branch leg of the suspension device according to the present invention.

FIG. 3 is a side view showing a single leg of the suspension device according to the present invention.

FIG. 4 is a cross-sectional side view of a main part showing a hoisting unit of the hanging device according to the present invention.

FIG. 5 is a perspective view showing a use state of a suspension device according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automobile 2 Engine room 3 Engine 3a Lock part 4 Battery 5 Apron rib part of front fender 6 Bolt head 7 (7a, 7b) Spring upper support 8 Bolt thread part 9 Bonnet 10 (10a) Front frame 11 Tire House 15 Suspension device 16 Cross beam 16a Slit 20 Branch leg 21 Girder 22 Rear leg (one leg) 23 Connection nut 24 Tightening bolt 25 Front leg 26 (26 ') First abutment device 27 Connection bolt 28 Tightening nut 30 Single leg 31 second abutment tool 32 fulcrum pin 33 slit 34 bolt 35 locking pin 36 connecting arm 36a front connecting piece 36b rear end 37 bolt 38,39 fastening nut 40 hoisting machine 41 holder 41a bracket 41b slit 42 stop bolt 43 Hanging bolt 4 4 Nut 45 Hoisting shaft 46 Chain 46a Hook

Claims (4)

[Claims] 1. A fork-shaped branch leg (20) projecting downward at one end of a laterally elongated transverse beam (16) is rotatable about a vertical axis and movable in a front-rear direction and a left-right direction. And a columnar single leg (30) projecting downward is connected to the other end of the cross beam (16).
0) A spring upper support (7a) of a front suspension on one side is provided below one leg (22).
A connecting nut (23) to be screwed with a bolt (8) provided in the engine room (2) is provided under the other leg (25) of the branch leg (20). ) Is provided, and a second abutment (31) is provided below the single leg (30) to abut the strength member (10) on the other side of the engine room (2). And the spring upper support (7) of the front suspension at the middle part in the vertical direction and the other side part of the single leg (30).
b) A connecting arm (3) for connecting the bolt (8) provided in
6), and a hoist (40) for hoisting the engine (3) is provided at the left and right intermediate portion of the cross beam (16). 2. The first abutment (26) abuts on a head (6) of a bolt provided on an apron rib (5a) on one side of a front fender. 1
The vehicle engine suspension according to the above. 3. The single leg (3) includes a second abutment (31).
The vehicle engine suspension according to claim 1 or 2, wherein the vehicle engine suspension is rotatably connected to a lower part of (0). 4. The hoist (40) includes the cross beam (16).
4. The device according to claim 1, wherein the movable member is provided so as to be movable in the left-right direction and swingable about a vertical axis.
The vehicle engine suspension according to the above.