JPH0622637Y2 - Suspension mounting device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a hanger used for mounting a suspension in an automobile assembly line.

[Conventional technology]

The suspension mechanism of an automobile is incorporated in a vehicle frame at an assembly line. In this assembly line, the assembly process is set for each individual suspension mechanism unitized. For example, the respective units such as the differential unit and the drive shaft unit are sequentially assembled according to the set process order. In this case, each unit is carried into the line side, but the unit to be assembled is often heavy in weight, and accordingly, a plurality of hoisting assisting devices are provided on the line corresponding to these.

However, in the conventional case, since the assembly process corresponds to each unit, the number of them is large and the assemblability is not good.
Moreover, since a plurality of hoisting assisting devices are required, the equipment cost also increases. Further, the line side becomes narrower due to each unit loaded.

Further, FIG. 7 shows a "suspension for mounting suspension" disclosed in Japanese Utility Model Laid-Open No. 62-79786, in which "a suspension unit 9 is obtained by collectively assembling the constituent elements of the drive-side suspension mechanism. When the suspension unit 9 is lifted, the differential tube 33 located substantially in the center of the suspension unit 9 is supported by the main support portion 11 '. Further, since the wheels (drive shaft unit) 35 side of the drive shafts located on the left and right of the unit 9 are respectively supported by the sub-support portions 36, the suspension unit 9 is suspended in a stable posture as a whole. Can be lowered. Since both sub-support portions 36 expand and contract in the vertical direction, they can be individually moved up and down when assembled on the drive shaft side, so that the assembly work can be easily performed. ]
It is a thing.

The other reference numerals are the same as in FIG. 1, and the description of the names is omitted.

[Problems to be solved by the device]

However, in the case of FIG. 7, in the type in which the functional member 34 such as the diaphragm shown in FIG. 1 is set in the portion of the differential tube 33 supported by the main support portion 11 ′, this functional member 34. Setting of the main support portion 11 'on the differential tube 33
The support space due to the
1'has a difficulty in strength and durability, and when the differential tube 33 is clamped and supported by the main support portion 11 'while avoiding the functional member 34, the suspension unit 9 loses its balance during lifting. There is.

Therefore, in order to solve such a problem, the present invention
An object of the present invention is to improve the structure of the main supporting portion that supports the differential unit, thereby maintaining the balance during suspension of the suspension unit and ensuring the safety during suspension.

[Means for Solving the Problems]

Therefore, the present invention solves the above-mentioned problems by forming the main support portion supporting the differential unit by a pair of clamp arms having a link mechanism, and the hooks of the clamp arms to the nuts of the flange portion of the differential unit. This is to be solved by engaging with each other and operating the hook of the clamp arm in the closing direction by the weight of the suspension unit.

More specifically, the reference numeral of FIG. 1 will be used for explanation. A suspension mounting hanger for incorporating a suspension unit 9 in which the constituent elements of the suspension mechanism on the drive side are assembled together into a vehicle frame 12. In the above, the support bar 5 is arranged horizontally above the vehicle assembly line 1, and the member 19 is hung from the center of the support bar 5 via the support member 14.
, One end 26a of a pair of clamp arms 26 having a link mechanism is rotatably connected, and the other end 26b of the pair of clamp arms 26 is engaged with a nut 32 of a flange portion 31 of the differential unit 10. The main support portion 11 for supporting the differential unit 10 in the suspension unit 9 by fixing the hook 30 to be operated and operating the clamp arm 26 in the closing direction by the own weight of the suspension unit 9.
And sub-support portions 36 for supporting the wheel side of the drive shaft are provided at both left and right ends of the support bar 5, respectively.

[Action]

According to the above-mentioned means, the differential tube 33
Even when a functional member 34 such as a diaphragm is set in the hook, each hook 30 of the pair of clamp arms 26 of the main support portion 11 that supports the differential unit 10 is provided.
The flange portion 31 of the differential unit 10
After engaging with the nut 32 of the support bar 5, the support bar 5 is raised by the hoist 4 and the suspension unit 9
Each hook 30 of the pair of clamp arms 26 due to its own weight
Operates in the closing direction and clamps more strongly, resulting in higher safety during lifting.

Then, in order to remove the hooks 30 of the pair of clamp arms 26 from the nuts 32 of the flange portion 31 of the differential unit 10, a lever of a toggle mechanism (not shown) is operated to move the slide bar 22 to the plate 21. It is performed by opening the pair of clamp arms 26 with the link arms 27, 27 as fulcrums by sliding them upward.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

The drawings from FIG. 1 to FIG. 3 show an embodiment of the present invention, and FIG. 1 shows an overall view of a suspension assembly line using a suspender. According to this, a rail 2 is provided above the vehicle assembly line 1 along the line 1. The rail 2 is equipped with a hoist 4 capable of moving up and down the entire suspender 3 so that the hoist 4 can travel.

The hanging tool 3 includes a support bar 5, and a hook support 8 for hooking a hook 7 attached to the tip of the hanging wire 6 is fixed to the central portion of the upper surface of the support bar 5. Then, when the suspending tool 3 is suspended, the support bar 5 is held in a horizontal posture in a direction orthogonal to the assembly line 1.

A main support portion 11 for supporting the differential unit 10 of the suspension unit 9 is set on the lower surface side of the support bar 5 facing the hook support 8 toward the center.

The above-mentioned suspension unit 9 has the constituent elements of the drive-side suspension mechanism assembled together, and is incorporated into the vehicle frame 12 by the suspension mounting suspension of the present invention.

The main support part 11 is configured as follows.

That is, as can be seen from FIG. 2, the bracket 15 to which the support member 14 is welded is fixed by the bolts 16 and 16 to the lower surface side of the support bar 5 near the center, and the support member 14 is the third member. As can be seen from the figure, two support members 14, 14 are welded to the bracket 15 with a space therebetween, and these support members 14 are respectively shown in FIGS. 1 and 2 in the vertical direction. Two guide grooves 17 are formed.

In each guide groove 17 of the support member 14, the bolt 1
A member 19 is slidably attached in the vertical direction by means of 8 and 18, and as shown in FIG.
Springs 20, 20 are interposed between the bracket 15 and the bracket 15, and these springs 20 lower the suspending tool 3 by operating the hoist 4 to move the main support portion 11 to the differential unit 10. It serves to alleviate the shock when setting the differential unit, prevent the differential unit 10 from being scratched, and improve the workability.

Next, a plate 21 is fixed to the member 19 by welding, and the plate 21 has two long holes 23 provided at the center of the slide bar 22 in which bolts 2 are attached.
By inserting 4 and 24 and attaching to the plate 21, the slide bar 22 is set to be slidable in the vertical direction with respect to the plate 21.

The slide bar 22 has two end portions 2 on both sides thereof.
2a and 22a are swingably connected to a pair of clamp arms 26 by bolts 25 and 25, and the pair of clamp arms 26 have their one ends 26a and 26a respectively connected via link arms 27 and 27. Bolt 2 to 19
8, 28 and bolts 29, 29 are swingably connected.

Furthermore, the other ends 26 of the pair of clamp arms 26
A hook 30 is fixed to each of b and 26b by a bolt or the like (not shown), and each hook 30 of the pair of clamp arms 26 is connected to the flange portions 31 and 31 of the differential unit 10. Nut 32
It is supposed to hang on.

Since the hook 30 may be worn depending on the frequency of use, it is possible to replace the hook 30 separately, and the hook 3
The maintenance cost is being reduced.

Therefore, the above-mentioned main support portion 11 includes the pair of clamp arms 26 swingably connected to the member 19 via the link arms 27, 27 and the plate 2 fixed to the member 19.
Since the link mechanism is configured by the slide bar 22 attached to the slide bar 1 so as to be vertically slidable,
Main support portion 11 constituted by such a link mechanism
However, due to the weight of the suspension unit 9, the hooks 30 of the pair of clamp arms 26 operate in the closing direction in which they engage with the nuts 32 of the flange portion 31 of the differential unit 10, and the suspension unit 9 is strongly clamped. The balance during suspension of the suspension unit 9 is maintained, and the safety is improved.

Since the main support portion 11 is configured and operates as described above, even when the differential tube 33 of the differential unit 10 is provided with the functional member 34 such as a diaphragm, the suspension unit 9
Are hung in a well-balanced manner by the main support portion 11.

The pair of clamp arms 26 is opened and closed by the plate 2
1 and a lever (not shown) of a toggle mechanism fixed to the slide bar 22. The toggle mechanism is a known technique generally used in a hand vice or the like. Therefore, detailed description is omitted.

Therefore, by operating the lever 22 of the toggle mechanism and sliding the slide bar 22 of the main support portion 11 upward, each hook 30 of the pair of clamp arms 26 opens with each link arm 27 as a fulcrum, and the differential. The hooks 30 of the pair of clamp arms 26 can be removed from the nuts 32 of the flange portion 31 of the unit 10.

Next, the sub-support portions 36 which are provided at the left and right ends of the support bar 5 and which support the drive shaft unit 35 will be described (see FIGS. 1, 4, and 5). Similarly to the main support portion 11, the sub-support portion 36 is also configured to be vertically expandable and contractable. That is, the fixed plate 37 is provided with a slide plate 39 suspended from the fixed plate 37 with a spring 38 interposed therebetween so as to be slidable in the vertical direction, and a pantograph mechanism is attached to the sub-support portion 36. Here, the pantograph mechanism is provided in order to prevent the drive shaft unit 35 from moving in a direction perpendicular to the plane of the drawing when the drive shaft unit 35 is suspended.

The pantograph mechanism supports the drive shaft unit 35 by sandwiching the disc plate 40. A spring 41 for holding the clamped state with respect to the disc plate 40 is provided here. Further, at the working end of the pantograph 42, a urethane rubber pad 43 is attached to the side facing the outer surface of the disc plate 40, as can be seen from FIG. On the other hand, a press plate 44 formed in a bifurcated shape is attached to the opposite side, and knuckle stopper bolts 45 are detachably inserted into both leg ends of the press plate 44 as shown in FIG. 46
Have penetrated each.

Finally, an auxiliary support portion 48 for suspending and supporting the lower arm 47 shown in FIGS. 1 and 6 will be described.

Ring-shaped chain guides 49 are attached to both sides of the support bar 5 near the sub-support portions 36. Then, a chain 51 having a hooking tool 50 for suspending the lower arm 47 is passed through here, and the chain 51 is connected to a known spring balancer (not shown) to release the suspension of the lower arm 47. When it does, it automatically retreats to almost the height position of the support bar 5.

The suspending tool 3 is set so as to always maintain a horizontal posture during the assembling work.

Continue to install the suspension unit 9 in the vehicle frame 1.
The work of mounting the device on the No. 2 will be described.

First, the work for mounting the suspension unit 9 on the suspension 3 is performed for each support portion. That is, in the main support portion 11, a lever (not shown) of a toggle mechanism is operated to engage each hook 30 of the pair of clamps 26 with the nut 32 of the flange portion 31 of the differential unit 10 to clamp. . Further, in the sub-support portion 36, the pressing plate 44 shown in FIG. 4 and FIG.
With the knuckle stopper bolt 45 inserted in the insertion hole 46, the disc plate 40 is sandwiched by the pressing plate 44 and the pad 43 by the spring force of the spring 41. Further, in the auxiliary support portion 48, the chain 51 is extended and the lower arm 47 is suspended by the hooking tool 50.

In this way, the suspension unit 9
Suspend in a horizontal position as shown. Then, it is lifted by the hoist 4 and moved along the rail 2 to be positioned above the vehicle frame 12 flowing on the assembly line 1.

Next, with the suspension unit 9 in the horizontal state,
Gradually lower. Then, when the receiving mount 53 on the suspension unit 9 side is mounted on the mount bracket 52 on the vehicle frame 12 side, the lowering operation is stopped.
Based on this, individual assembly work is performed.

First, each lower arm 47 is released from the hooking tool 50 and assembled to the cam bolt mounting portion 55 of the suspension bracket 54 shown in FIG. The hook 50 is automatically retracted upward by a spring balancer (not shown).

Next, the ball joint 57 of the upper arm 56 shown in FIG. 6 is inserted and fixed to the knuckle arm 58 side. Finally, when the hooks 30 of the pair of clamps 26 of the main support 11 are disengaged from the nuts 32 of the flange 31 of the differential unit 10 shown in FIG. The lifting device 3 is released, and then the lifting device 3 is lifted and returned by the hoist 4.

By the way, in this example, in order to secure a line space, etc., the differential unit 10 and the drive shaft unit 35 are integrated into one unit, so that the entire suspension mechanism is made into one unit, which is directly used in the vehicle frame 12. It is supposed to be attached to the side.
Therefore, in order to extend and contract each sub-support portion 36 in the vertical direction, the slide plate 39 is allowed to slide with respect to the fixed plate 37, and the hoisting height position of the drive shaft unit 35 is adjusted. It is designed so that it can be easily changed, and it is extremely easy to align the members with each other when assembling.

Further, in performing the above-mentioned work, both the main and sub supporting portions 1
Since the springs 1 and 36 are suspended by the springs 20 and 38, they can be operated in the vertical direction with a comparatively light force. Therefore, the degree of fatigue given to the worker can be reduced.

[Effect of device]

According to this invention, as described above, the main support portion for supporting the differential unit is constituted by a pair of clamp arms having a link mechanism, and the hooks of the clamp arms are engaged with the nuts of the flange portion of the differential unit. The hook of the clamp arm is actuated in the closing direction by the weight of the suspension unit. Therefore, even if the main support part is used for a long period of time, the force that clamps the differential unit due to rattling of the hanging device. Does not decrease, and not only improves the strength and durability of the lifting device, but also can solve the problem of losing the balance during lifting, which is extremely effective in terms of safety.

In addition, even with a conventional differential unit in which functional members such as a diaphragm are not set in the differential tube, the lifting device of the present invention can be commonly used for lifting, so the facility cost can be significantly reduced. There is.

[Brief description of drawings]

FIGS. 1 to 3 show an embodiment of the present invention. FIG. 1 is an overall view of a suspension assembly line using a suspension, and FIG. 2 is a main support with a differential. FIG. 3 is a side view of FIG. 2, FIG. 3 is a side view of a sub-support portion, and FIG. 5 is a side view of FIG. FIG. 7 is a perspective view showing a suspension unit and a vehicle frame, and FIG. 7 is an overall view corresponding to FIG. 1 showing a conventional example. 1 ... Vehicle assembly line 5 ... Support bar 9 ... Suspension unit 10 ... Differential unit 11 ... Main support part 14 ... Support member 19 ... Member 26 ... Clamp arm 26a ... One end 26b ... … Other end 31 …… Flange part 32 …… Nut 36 …… Sub support

Claims (1)

[Scope of utility model registration request] 1. A suspension mounting hanger for incorporating a suspension unit, in which components of a drive-side suspension mechanism are assembled together into a vehicle frame, in which a support bar is provided horizontally above a vehicle assembly line. To the member that is placed and hung from the center of this support bar via the support member,
One end of a pair of clamp arms having a link mechanism is rotatably connected, and a hook that engages with a nut of a flange portion of the differential unit is fixed to the other end of the pair of clamp arms, and a suspension unit is also provided. Is configured to operate the clamp arm in the closing direction by its own weight to form a main support portion for supporting the differential unit in the suspension unit, and the wheel side of the drive shaft is provided at both left and right ends of the support bar. A suspension mounting hanger characterized in that each of them is provided with a sub-supporting part for supporting.