JP4006544B2 - Engine suspension system for automobiles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automobile engine suspension device for lifting an engine on a vehicle body when repairing or inspecting a component or an engine installed in an engine room.
[0002]
[Prior art]
As a conventional technique, there has been an invention described in Japanese Utility Model Laid-Open No. 61-132386. In other words, a pair of front and rear legs are provided at both ends of the horizontal beam extending in the left-right direction so as to be rotatable about the vertical axis, and a short cylindrical abutment is fixed to the lower part of the front and rear legs in the front-rear direction. The left and right abutments are placed 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 horizontal beam, and the hoisting machine is suspended by the hoisting machine. There was something that was fried.
[0003]
[Problems to be solved by the invention]
In the above conventional one, the short cylindrical abutment provided at the lower part of the front and rear legs is placed on the left and right apron rib parts of the front fender, so the apron rib part has a downward inclination angle forward. In the case of a large size, the abutment tool was slidable forward and poor in safety. Also, depending on the vehicle model, the load strength of the apron rib part is partially increased, and the entire area does not have the strength to withstand the engine load, and this has problems such as the inability to use the conventional suspension device. It was. It is an object of the present invention to obtain 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, the invention according to claim 1 is provided with a front leg and a rear leg at the front and rear portions of the left and right girders extending in the front-rear direction, and at least the front leg is fitted to the left and right girders so that sliding adjustment is possible. It has a slide bracket, a base leg fixed to the slide bracket, and an auxiliary leg detachably connected to the base leg, and is fitted and locked to the bolt head or nut on the side of the engine room on the lower surface. A locking tool formed with a locking recess is provided at the lower part of each front leg and rear leg, and at least the locking tool provided on the front leg has its center in the vertical direction in the left-right direction with respect to the front leg. The fulcrum pin arranged on the front is pivotably connected, and a screw shaft is disposed in the front and rear direction on the front leg immediately above the locking tool so as to be rotatable and non-movable in the axial direction, and is driven by the screw shaft. Screw the piece and lock the drive piece to the upper end of the locking tool. The by cathodic a cross beam in the longitudinal direction intermediate portion of the left and right digit, as well as rotatably connected about a back-and-forth movement adjustably and vertical axis end portions of the transverse beams digits, one end of at least the transverse beam The hoisting machine for hoisting the engine is provided in the middle part of the cross beam.
According to a second aspect of the present invention, there is provided a suspending device for suspending the hoisting machine so that the hoisting machine can be moved and adjusted in the left-right direction and swingable in the front-rear direction with respect to the vertical axis. A bracket that curves like a bowl is formed, a slit in the front-rear direction is formed in the bracket, a suspension bolt is slidably inserted into the slit, and a hoisting machine is connected to the suspension bolt. is there.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
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 an embodiment of the present invention, FIG. 2 is a cross-sectional side view of a main part showing a left side girder and a leg of the suspension device according to the present invention, and FIG. FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2, and FIG. 5 is a sectional side view of the essential part showing the hoisting machine part of the suspension device according to the present invention.
[0006]
In FIG. 1, reference numeral 1 denotes a car body, and an engine 3, a radiator 4, a battery, and the like are accommodated in a front engine room 2. Reference numeral 5 (5a, 5b) denotes an apron rib portion of the front fender, and a plurality of bolt heads 6 (6a, 6b, 6c) for fixing the front fender are exposed at predetermined intervals in the front-rear direction. . 7 and 7 are spring upper supports of the front suspension, and three nuts 8 for stopping the front suspension protrude from the outer peripheral portion of the upper surface. A bonnet 9 opens and closes the engine room 2.
[0007]
10 is a suspension device for lifting the engine 3. As shown in FIG. 1, a horizontal beam 12 is bridged between a pair of left and right beams 11 (11a, 11b) to which front and rear legs 13, 14 are attached. The hoisting machine 35 is attached. The girder 11 (11a, 11b), the cross beam 12, and the front and rear legs 13, 14 are made of steel square pipes, and the locking tool 20 can be adjusted to rotate in the front-rear direction at the lower ends of the front and rear legs 13, 14. Attach to.
[0008]
Each of the rear legs 14 is made short and welded to the lower surface of the rear end of each girder 11, and each front leg 13 is attached to the front of each girder 11 via a slide bracket 15 so that sliding adjustment is possible. . The slide bracket 15 is formed in a rectangular tube shape and is slidably fitted to each of the girders 11. A set bolt 16 made of a butterfly bolt is screwed into a side portion of the slide bracket 15, and the set bolt 16 is screwed into each slide bracket 15. The slide bracket 15 is fixed to a predetermined position of each girder 11. The front leg 13 is divided into upper and lower parts, the upper base leg 13a is shortened and welded to the lower surface of each slide bracket 15, and the lower auxiliary leg 13b is fixed to the lower part of the base leg 13a with a ball. It is detachably fitted and locked through the tool 13c.
[0009]
The auxiliary legs 13b are adjusted so that the girders 11 and the cross beams 12 are horizontal. A plurality of auxiliary legs 13b having different lengths are prepared, and these are appropriately selected according to the vehicle type and connected to the base leg 13a. Thus, the girder 11 and the cross beam 12 are adjusted to be horizontal. Each rear leg 14 may also be divided into upper and lower parts and the length thereof can be adjusted in the same manner as the front leg 13. Reference numeral 17 denotes an end plate fixed to the front end of each girder 11 for preventing the slide bracket 15 from coming out of each girder 11.
[0010]
As shown in FIG. 3, each of the locking tools 20 is formed with a circular locking recess 20a on the lower surface of the block-shaped main body and an engaging groove 20b on the upper surface. These are pivotally connected to the lower ends of the front and rear legs 13 and 14 by a fulcrum pin 21 extending in the left and right direction (front and rear direction in FIG. 3). The locking recess 20a is sized to be fitted and locked to the bolt head 6 exposed on the upper surface of the apron rib portion 5 described above.
[0011]
Each locking tool 20 is rotated and adjusted in the front-rear direction around the fulcrum pin 21 by a rotating device 22. That is, screw shafts 23 made of butterfly bolts are arranged in the front-rear direction on the front and rear legs 13, 14 located immediately above the locking device 20, and are attached to the screw shaft 23 so as to be rotatable and non-movable in the axial direction. The drive piece 24 is screwed, and the drive piece 24 is engaged with the engagement groove 20b at the upper end of the locking member 20. Then, the knob 23a of the screw shaft 23 is operated to rotate the screw shaft 23 forward and backward, and the drive piece 24 is moved and adjusted in the horizontal direction in FIG. The locking recess 20a is fitted and locked to the front and rear bolt heads 6a and 6c exposed on the upper surface of the apron rib 5 in accordance with the inclination.
[0012]
Note that the locking recess 20 a of the locking tool 20 of the rear leg 14 may be fitted to the nut 8 exposed on the upper surface of the spring upper support 7. Further, the bolt head 6c of the apron rib portion 5 located on the rear side of the engine room 2 and the nut 8 of the spring upper support 7 are often directed upward without being influenced by the vehicle type. The locking device 20 on the 14 side may be fixed and attached integrally to the lower end of the rear leg 14.
[0013]
The horizontal beam 12 described above is connected to the girders 11 through a pair of connecting members 27, 27 at the left and right ends so as to be movable and adjustable in the front-rear and left-right directions and rotatable about the vertical axis. The connector 27 is as shown in FIGS. That is, the inverted U-shaped lower bracket 28 and the U-shaped upper bracket 29 are stacked back to back to form a raised portion 28a that protrudes stepwise at the center of the upper surface (rear surface) of the lower bracket 28, and the raised portion 28a. A connecting hole (not shown) is formed at the center of the upper bracket 29, and a short connecting shaft 29a is formed to project downward at the center of the lower surface (rear surface) of the upper bracket 29 so that the connecting shaft 29a can be freely rotated into the connecting hole. The retaining ring 30 for retaining is fixed to the lower end of the threaded portion.
[0014]
Then, the lower bracket 28 is slidably fitted to each of the girders 11 from above, and a set bolt (butterfly bolt) 31 attached to the side of the lower bracket 28 is tightened to perform a girder at a predetermined position. 11 is fixed. Further, both the left and right ends of the cross beam 12 are slidably fitted to the upper bracket 29 from above, and a fastening bolt (butterfly bolt) 32 attached to the side of the upper bracket 29 is tightened to operate the cross beam 12. Is fixed to the upper bracket 29 at a predetermined position.
[0015]
A hoisting machine 35 for lifting the engine 3 is attached to the left and right intermediate portions of the horizontal beam 12. The hoisting machine 35 is supported via a suspension 36 so as to be movable in the left-right direction and swingable in the front-rear direction. As shown in FIG. 5, the suspension 36 is formed in a channel shape and is fitted to the horizontal beam 12 so as to be slidable in the left-right direction (front-back direction in FIG. 5). To do. A hook-like bracket 36a is welded and fixed to the lower part of the suspension 36, slits 36b in the front-rear direction are formed at both left and right ends of the lower surface side of the bracket 36a, and a suspension bolt 38 is slid downward in the slit 36b. The case 35a of the hoisting machine body is suspended by the suspension bolt 38. Reference numeral 39 denotes a nut screwed into the lower end of the suspension bolt 38. The hoisting machine 35 may be swingable in a non-directional direction with respect to the vertical axis by connecting to the suspension 36 via a ball joint.
[0016]
The hoisting machine 35 winds and unwinds the chain 41 by rotating the hoisting shaft 40 forward and backward, and a hook 42 (FIG. 1) attached to the lower end of the chain 41 is provided on the engine 3. The engine 3 is lifted by hanging it on a hook 3a (3b) such as a hanging ring or hook.
[0017]
According to the above embodiment, each locking tool 20 attached to each front leg 13 and rear leg 14 is rotated and adjusted in the front-rear direction around the fulcrum pin 21 by the rotation device 22. Even if the inclination angle in the front-rear direction of the part 5 is large and the inclination of the bolt head 6 exposed from the apron rib part 5 is large in the front-rear direction, the front legs 13 and the rear legs 14 are held vertically. Thus, the locking recess 20a of each locking tool 20 can be stably fitted and locked to the bolt head 6 (6a, 6c) that can withstand a large load.
[0018]
The front legs 13 are attached to the girders 11 so that the front and rear movements can be adjusted, and the lateral beams 12 are adjustable to the girder 11 in the back-and-forth and left-right directions, and rotate around the vertical axis. Since the connection is possible, even if the front and rear and left and right spacings of the bolt head 6 and nut 8 on the side of the engine room 2 fluctuate depending on the vehicle type, the fasteners 20 of the front and rear legs 13 and 14 can be secured. The bolt head 6 and the nut 8 can be securely fitted and locked. In addition, since both end portions of the cross beam 12 can be positioned at arbitrary positions of the girders 11, the engine 3 can be lifted up smoothly while forming a predetermined work space at a required location in the engine room 2. it can.
[0019]
Further, since the hoisting machine 35 is suspended and supported so as to be swingable in the front-rear direction with respect to the cross beam 12 via the suspension 36, when the engine 3 is hoisted, the locking portion 3a (3b) is moved in the front-rear direction. Even if it moves to, it will follow this, a big bending moment centering on the left-right axis center will not generate | occur | produce in the horizontal beam 12, and the engine 3 can be lifted safely and stably.
[0020]
【The invention's effect】
As is apparent from the above description, the invention according to claim 1 is provided with a locking tool fitted and locked to a bolt head or a nut provided on the side of the engine room at the lower part of the front and rear legs, and at least the front part. Since the locking tool provided on the leg is adjustable in the front-rear direction, even if the bolt head or nut is tilted forward with respect to the vertical due to the forward tilt of the engine room side wall, such as the apron rib part, the locking recesses of the locking tool Ru can be locked mating engagement stable to the bolt head or nut in a state where the respective front and rear legs were vertically held. In this case, the vertical center portion of the locking device is connected to the front leg by a fulcrum pin so as to be rotatable about the left and right axis, and the screw shaft is connected to the front leg on the upper side of the locking device. It is arranged in the direction so that it can rotate but cannot move in the axial direction, and the driving piece that is locked to the upper end of the locking tool is screwed onto the screw shaft. Therefore, the suspension device can be securely locked to a portion that can withstand a large load without depending on the vehicle type, and the engine can be lifted safely.
In addition, each front leg is attached to each girder so that it can be moved back and forth, and the cross beam is connected to the girder so that it can be adjusted back and forth, left and right and can be pivoted about the vertical axis. Even if the distance between the front and rear and the left and right of the nut varies depending on the vehicle type, the above-mentioned locking device can be securely fitted and locked to these, and the cross beam can be positioned at any position of each girder. The engine can be smoothly lifted while forming a predetermined work space at a required location in the room.
In the invention according to claim 2 , since the hoisting machine is provided on the horizontal beam so that the hoisting machine can be adjusted in the left-right direction and swingable about the vertical axis, the hoisting machine is appropriately fitted with a locking portion (hook) of the engine. ) It can be moved to the vicinity. Furthermore, if the hoisting machine is slightly biased back and forth with respect to the engine when hoisting the engine, the hoisting bolt will move back and forth along the slit, and the horizontal beam part, especially the hoisting bolt part will be bent greatly in the front and rear direction. No moment is generated, and the engine can be lifted safely and stably.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a usage state of a suspension device according to an embodiment of the present invention.
FIG. 2 is a cross-sectional side view of an essential part showing a left side girder and a leg of a suspension device according to the present invention.
FIG. 3 is an enlarged cross-sectional view of a rotating device according to the present invention.
4 is a cross-sectional view taken along the line IV-IV in FIG.
FIG. 5 is a cross-sectional side view of an essential part showing a hoisting machine part of a suspension device according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car body 2 Engine room 3 Engine 3a, 3b Locking tool 4 Radiator 5 (5a, 5b) Apron rib part 6 (6a, 6b, 6c) Front part 7 (7a, 7b) Spring upper support 8 Nut 9 Bonnet 10 Lifting device 11 (11a, 11b) Girder 12 Cross beam 13 Front leg 13a Base leg 13b Auxiliary leg 13c Ball stopper 14 Rear leg 15 Slide bracket 16 Stop bolt (butterfly bolt)
17 End plate 20 Locking tool 20a Appearance recess 20b Engaging groove 21 Supporting pin 22 Rotating device 23 Screw shaft 24 Driving piece 27 Connecting tool 28 Lower bracket 28a Raised part 29 Upper bracket 29a Connecting shaft 30 Locking rings 31, 32 Locking bolt 35 Hoisting machine 35a Case 36 Suspension tool 36a Bracket 36b Slit 37 Stop bolt 38 Hanging bolt 39 Nut 40 Hoisting shaft 41 Chain 42 Hook

Claims (2)

A front leg (13) and a rear leg (14) are provided on the front and rear portions of the left and right girders (11) extending in the front-rear direction, and at least the front leg (13) is slidably adjusted to the left and right girders (11). A slide bracket (15) that can be fitted, a base leg (13a) fixed to the slide bracket (15), and an auxiliary leg (13b) removably connected to the base leg (13a). And the locking tool (20) in which a locking recess (20a) is formed on the lower surface to be fitted and locked to the bolt head (6) or nut (8) on the side of the engine room (2). The locking tool (20) provided at the lower part of the leg (13) and the rear leg (14) and at least on the front leg (13) has its center in the vertical direction on the front leg (13) in the left-right direction. The fulcrum pin (21) disposed on the fulcrum is rotatably connected to the locking tool (20 The screw shaft (23) is arranged in the front-rear direction on the front leg (13) on the upper side of the shaft so as to be rotatable and non-movable in the axial direction, and the drive piece (24) is screwed onto the screw shaft (23). The driving piece (24) is locked to the upper end of the locking tool (20), and a horizontal beam (12) is bridged between the front and rear intermediate portions of the left and right girders (11). Both ends of 12) are connected to the spar (11) so that it can be moved back and forth and rotated about the vertical axis, and at least one end of the cross beam is connected to the spar (11) so that it can be moved left and right. An automobile engine suspension device comprising a hoisting machine (35) for hoisting the engine (3) at an intermediate portion of the transverse beam (12). A hoisting tool (36) is provided on the horizontal beam (12) so that the hoisting machine (35) can be moved and adjusted in the left-right direction and can swing in the front-rear direction with respect to the vertical axis. A bracket (36a) curved in a hook shape is provided at the bottom, a slit (36b) in the front-rear direction is formed in the bracket (36a), and a suspension bolt (38) is slidably inserted into the slit (36b). The automotive engine suspension apparatus according to claim 1, wherein a hoisting machine (35) is connected to the suspension bolt (38) .

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