JPH10109585A - Mounting assembly - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting assembly, setting up a frame in a desired position even if there is any stain or the like in a chassis and this frame of a car body as well as attaching a device to this car body via the frame. SOLUTION: This mounting assembly is one that attaches a lifting gear for making a ramp go up and down to a car body via a columnar frame 11, it has an upper recess 24 being almost larger type than the upper part of externals of this frame at the lower end, and it consists of an upper support member 21 to be locked to a vehicle, a lower support member 31 having a lower recess 34 being almost congruent with a lower part of externals of the frame in the upper end, and its upper end is joined to the lower end of this upper support member, and an auxiliary member 27 to be locked to the upper member so as to come into contact with the outside of the frame in order to support the frame in an opening part to be formed n space between both these upper and lower recesses at a time when both these upper and lower parts are joined together, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for mounting an object to a fixture via a frame, and more particularly to loading and unloading cargo on a cargo transport vehicle by moving up and down an elevator. And a mounting assembly for mounting the lifting device to a vehicle body via a columnar frame.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 6, a lifting device 40 is attached to a chassis 60 of a body of a cargo transporting vehicle via a frame, and a lifting platform 50 is opened and closed by the lifting device 40.
It is also raised and lowered in a horizontal state.

As shown in FIG. 4, the lifting device 40 comprises a pair of lifting arms 42, 42 ', a lifting cylinder 41, and a tilt cylinder 41'.

[0004] One end of each of the lifting arms 42 and 42 'is connected to a shaft 13 passing through the inside of the hollow columnar frame 11.
, And each of the lifting arms is rotatable about the axis of the frame 11.

The other ends of the lifting arms 42 and 42 ′ are rotatably attached to connecting members (not shown) fixed to the lower surface of the lifting table 50.

Lifting cylinder 41 and tilt cylinder
One end of 41 ′ is respectively attached to the lifting arms 42, 4 of the cylinder bracket 12 fixed near both ends of the frame 11.
The other end is rotatably attached to a connecting member (not shown) fixed to the lower surface of the elevating platform 50.

Here, the rotation shafts at the other ends of the lifting arms 42, 42 'rotatably attached to the connecting member on the lower surface of the lifting table 50 coincide with the rotation shaft at the other end of the lifting cylinder 41. Is different from the rotation shaft at the other end of the tilt cylinder 41 '.

When the elevating cylinder 41 is extended and contracted, the elevating arms 42 and 42 'are rotated to move the elevating table 50 up and down. When the tilt cylinder 41 'is extended and retracted,
50 can be opened and closed or swung.

The expansion and contraction of the lifting cylinder 41 and the tilt cylinder 41 'can be performed by an external device (not shown) by the user.
Is controlled by

Conventionally, a mounting device 10 for mounting a lifting device 40 as shown in FIG.
As shown in FIG. 5, a pair of support members 20 'and auxiliary members 15 provided with rectangular grooves aligned with the outer shape (cross-sectional shape) of the columnar frame 11, and the support members 20' are provided on both sides of the vehicle body, respectively. The frame 11 is fixed to the chassis 60 by welding or bolts and is arranged in the groove, supports the frame 11 connected to the elevating device, and the auxiliary member 15 is welded or bolted to the support member 20 'so as to abut the arranged frame. , And the lifting device 40 is attached to the vehicle body via the frame 11.

[0011]

As described above, in the mounting using the conventional mounting device, the frame is inserted into the groove of the supporting member fixed to the chassis of the vehicle body, so that the grooves of the supporting member are aligned with each other. The support member must be fixed to the chassis.

It is not easy to fix the support member to the chassis so that the grooves are aligned with each other. If the vehicle body or the frame is distorted, the mounting position of the support member fixed at one end should be adjusted according to the distortion. Can not.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems. When a device such as a lifting device is mounted on a vehicle body via a frame or the like, the frame, the vehicle body, etc. It is an object of the present invention to provide a mounting assembly capable of adjusting the mounting position of the frame in response to the distortion of the frame.

[0014]

SUMMARY OF THE INVENTION The present invention, which solves the above-mentioned problems, is a mounting assembly for mounting a lifting device to a vehicle body via a columnar frame. When mounting the lifting device to the vehicle body, the frame needs to be supported in at least two places, but the mounting assembly of the present invention is used in at least one place.

The mounting assembly according to the present invention has an upper support member fixed to the vehicle having an upper concave portion having a lower end portion having a substantially larger upper concave portion than an upper portion of the outer shape of the frame, and an upper end portion below the outer shape of the frame. A lower support member having an upper end joined to a lower end of the upper support member, and an upper end formed between the upper recess and the lower recess when the upper end and the lower end are joined. And an auxiliary member fixed to the upper support member so as to abut the outside of the frame to support the frame within the opening.

The upper support member has an upper support surface having an upper concave portion at a lower end portion, and first and second upper joint surfaces projecting substantially perpendicularly to the upper support surface from the lower end portion on both sides of the concave portion, The lower support member desirably has a lower support surface having a lower concave portion at an upper end portion, and first and second lower joining surfaces projecting substantially perpendicularly to the lower support surface from the upper end portion on both sides of the concave portion.

Here, when the frame is supported by the opening formed between the upper concave portion and the lower concave portion, the first and second upper joint surfaces are joined to the first and second lower joint surfaces, respectively. .

It is preferable that the first and second upper joint surfaces of the upper support member have upper through holes, and the first and second lower joint surfaces of the lower support member have lower through holes. Here, at least one of the upper through hole and the lower through hole extends, but when the upper joint surface and the lower joint surface are joined to support the frame, the joining bolts pass through the upper through hole and the lower through hole. Can penetrate. If all of the through holes extend, the extending directions are perpendicular to each other.

Further, the outer shape of the frame, that is, the cross-sectional shape of the frame is substantially quadrangular, and the upper and lower portions of the outer shape of the frame have the same shape as a triangle formed by connecting opposing vertices of the square, and the auxiliary member has a triangular shape. It is desirable to have a recess of the same shape.

[0020]

When a frame is supported in an opening between an upper concave portion and a lower concave portion formed by joining a lower end portion of an upper support member fixed to a vehicle body and an upper end portion of a lower support member,
With the lower portion of the outer shape of the frame positioned in the lower recess of the lower support member, the lower support member is joined to the lower end of the support member and the upper end of the lower support member so that the frame is at a predetermined position. Move while moving.

At this time, since the upper concave portion of the upper support member is larger than the upper portion of the outer shape of the frame, a space is formed between the upper portion of the outer shape of the frame and the upper concave portion. Therefore, even if the upper support member is fixed to the vehicle body, the frame can be arranged at a predetermined position in the space between the upper support member and the upper concave portion.

By fixing the lower end of the upper support member and the upper end of the lower support member, the frame positioned at a predetermined position is attached to the vehicle body.

[0023]

DETAILED DESCRIPTION OF THE INVENTION The mounting assembly 20 of the present invention is shown in FIG.
(a) and (b), an upper support member having an upper concave portion 24 at a lower end portion larger than an upper portion of the outer shape of the frame 11
21, a lower support member 31 having a lower concave portion 34 at the upper end that substantially matches the lower portion of the outer shape of the frame 11, and an upper support member
The lower end of 21 and the upper end of the lower support member 31 are joined to support the frame 11 with an opening formed between the upper concave portion 24 and the lower concave portion 34. Auxiliary member 27 that abuts and is fixed to upper support member 21
Consisting of

As shown in FIG. 3A, since the outer shape of the frame attached to the elevating device 40, that is, its cross-sectional shape is a quadrangle, the upper portion and the lower portion of the frame have opposite vertexes of the quadrangle. It has the same shape as the triangle formed by joining. Therefore, the upper concave portion 24 has the same shape as the triangle (however, it is substantially larger than the triangle). The lower concave portion 34 also has the same shape as the triangle (however, substantially coincides with the triangle).

The lower end of the upper support member 21 and the lower support member 31
When the frame is supported by a rectangular opening formed between the upper concave portion 24 and the lower concave portion 34,
The lower portion of the frame is aligned and fitted with the lower recess 34, and a space 26 is formed between the upper portion of the frame and the upper recess 24.

As shown in FIG. 2A, the upper support member 21 has an upper support surface 22 on which an upper recess 24 is formed, and an upper support surface 22 on which an upper recess 24 is formed.
24, first and second upper joint surfaces 23, 23 'projecting substantially perpendicularly from the lower end on both sides, and each lower joint surface has an upper through hole extending parallel to the support surface 22. 25 are formed.

As shown in FIG. 2 (b), the lower support member 31 has a lower support surface 32 in which a lower recess 34 is formed and a lower support surface 32 'in which a lower recess 34' having the same shape as the lower recess 34 is formed.
Further, the joining surfaces 23 and 2 project almost vertically from the upper end on both sides of the lower concave portion 34 and reach both sides of the lower concave portion 34 '.
First and second upper joining surfaces 33, 3 respectively joining with 3 '
Each joint surface has an upper through-hole 35 extending substantially perpendicular to the support surface 32 (32 ').

As shown in FIG. 3A, the auxiliary member 27 has a concave portion having the same shape as the upper portion of the outer shape of the frame 11.
The upper support member 21 is fixed to the upper support surface 22 of the upper support member 21 by contacting the upper portion of the frame 11 disposed in the opening formed by 24 and 34.

[0029]

1 shows an embodiment of the mounting assembly of the present invention.

In the embodiment of the mounting assembly of the present invention, the same lifting device as the lifting device shown in FIG.
Is a mounting assembly for mounting to a vehicle body via a.

However, the mounting assembly of the present invention is an assembly for mounting the frame connected to the elevating device as desired, and as a result, for accurately mounting the elevating device on the vehicle body. The attachment is not limited, and the attachment can be performed as long as the attachment is performed via a frame. Further, the attachment is not limited to the vehicle, and may be another installation.

The outer shape of the frame 11 of the elevating device 40 shown in the drawing is a quadrangle, and the upper concave portion 24 and the lower concave portion 34 are formed so as to form a rectangular opening substantially the same as the quadrangle. Is a frame 11 having a rectangular outer shape inside a rectangular opening formed by the upper concave portion 24 and the lower concave portion 34.
When the frame is supported, the frame
This is because the 11 does not rotate in the opening and can be securely fixed. Therefore, in order to prevent rotation, the outer shape of the frame may be another polygon or non-rotational shape, and the shapes of the upper concave portion and the lower concave portion may be determined correspondingly. When the frame 11 is securely fixed in the opening by welding or the like, the outer shape of the frame may be a rotary shape, and the shapes of the upper concave portion and the lower concave portion may be determined correspondingly.

When the outer shape of the frame is quadrangular, the shape of the frame 11 is maintained while maintaining the rectangular shape, or the triangular shape of the lower recess 34 is maintained while maintaining the rectangular shape. There is also an advantage that the lower portion of the frame can be securely accommodated in the lower concave portion 34 even if the size changes.

At first, as shown in FIG. 1, a pair of upper support plates 21 are fixed to the chassis 60 on both sides of the vehicle body by welding or bolts. While arranging the lower part of the outer shape of the rectangular frame 11 of the lifting device 40 in the lower recesses 32, 32 'of the lower support member 34 from below, the upper joint surfaces 23, 23' and the lower joint surfaces 33, 33 ' Join each.

As described above, since the upper concave portion 24 of the upper support member 21 is larger than the upper portion of the outer shape of the frame 11, as shown in FIG.
Is formed between them. Therefore, the frame can be moved in the space together with the lower support member and positioned at a desired position while being joined to the joining surfaces 23, 23 'and the joining surfaces 33, 33'.

For example, a pair of upper support members 21
Even if the upper and lower concave portions 24 are displaced right and left due to the distortion of 60, etc., and the upper concave portions 24 are not aligned, the frame can be moved left and right in the space 26, so that the frame can be arranged at a predetermined position.

Since the upper joint surfaces 23 and 23 'of the upper support member 21 are provided with through-holes 25 extending in parallel with the support surface 22, the lower support member 21 is used to dispose the frame at a predetermined position. The through hole 35 provided with the lower joining surfaces 33 and 33 ′ of the lower support member 31 communicates with the through hole 25 even if the 31 is moved left and right with respect to the upper support member 21.

As shown in FIG. 3B, the frame 11 is supported by the two lower concave portions 34 and 34 'of the lower support member 31, so that the support is secure.
Is rigid, for example when its thickness is large, the support surface 32 'is unnecessary.

It is desirable to support the frame in the vicinity of the cylinder bracket 12 on which the load is applied. However, when the width of the chassis 60 of the vehicle body is narrower than necessary, the upper support member fixed to the chassis 60 supports Cannot move to proper position. In this case, if the lower support member 31 is joined to the outside of the vehicle at each joint surface, the lower concave portion 34
The lower support member 31 is moved so as to be located in the vicinity of. Also at this time, since the through hole 35 provided in the joint surface of the lower support member extends perpendicularly to the support surface 32, even if the lower support member 31 is moved outside the vehicle, the upper support It communicates with a through-hole 25 provided on the joint surface of the member 21.

In the embodiment shown, the upper joint surfaces 23, 23 '
A through-hole 25 extending parallel to the support surface 22 is provided, and a through-hole 35 extending in a direction perpendicular to the support surfaces 32, 32 'is provided in the joint surfaces 33, 33'. However, the present invention is not limited to this.

Further, the lower support member is moved in the left-right direction (left-right direction in FIG. 3A) or the front-rear direction with respect to the upper support member.
If the mounting operation can be performed by moving only in either direction (in the left-right direction in FIG. 3 (a)), the through-hole of either the upper joint surface or the lower joint surface should be extended in the desired movement direction. Good.

As described above, after the mounting positions have been adjusted, the first and second upper joining surfaces 23 and 2 to be joined respectively.
Upper through-hole 25 communicating 3 'with first lower joining surface 33, 33'
And tighten the joint bolt 14 through the lower through hole 35,
Fix both support members.

Here, the joining of the joining surfaces is performed by bolts, but the joining may be performed by welding. in this case,
It is not necessary to provide a through hole in the joint surface of the support member.

After fixing the upper support member and the lower support member, the triangular concave portion of the auxiliary member 27 is brought into contact with the upper portion of the outer shape of the triangular frame 11, and the upper support surface of the upper support member 21 is formed. Fix to 22 by welding, bolts, etc. Thereby, the frame 11 is fixed by the upper support member 21 and the lower support member 31, and thus the elevating device 40 is fixed to the vehicle via the frame.

In this embodiment, the pair of upper support members 21 are fixed to the chassis 60 of the vehicle, and the pair of lower support members 31 are fixed to the upper support members 21 to fix the frame.
One or more mounting assemblies may be provided between them.

Further, one of the chassis 60 of the vehicle may be provided with the conventional mounting assembly shown in FIG. 4 or FIG. 5, and the other may be provided with the mounting assembly of the present invention.

In the embodiment shown, the upper joint surfaces 23 and 23 'of the upper support member 21 extend rearward (to the right in FIG. 3B), but project on both sides of the upper support surface 22. It may be something. Further, lower joining surfaces 33 and 33 ′ of the lower support member 31 are provided.
3 extends rearward (to the right in FIG. 3B), but may extend to both sides of the lower support surface 34. Here, when both the through-hole formed on the upper joint surface and the through-hole formed on the lower joint surface are extended, the extending direction is vertical.

The above-described upper support member is provided with a joint surface on each support member and a through hole in the joint surface so that the upper support member can be moved while being joined to the lower support member and can be bolted. However, as described above, when the two support members are joined by welding means or the like, and the ends of the two support members can be joined and moved, there is no need to have a projecting joint surface.

[0049]

According to the mounting assembly of the present invention, the frame can be moved within the upper concave portion of the upper support member when the lifting device is mounted via the columnar frame, so that the upper support member is not accurately fixed to the vehicle body. Even if the chassis or frame of the vehicle body is distorted, the frame can be arranged at a desired position even if the upper support member is not fixed in a predetermined position, so that the lifting device can be accurately and accurately mounted on the vehicle body. it can.

Also, the lower support member of the mounting assembly of the present invention can be moved right and left and back and forth with the frame with respect to the upper support member, and the two support members can be easily connected and fixed by bolts or the like. Adjustment of the position and fixing of the frame are facilitated.

Further, since the mounting assembly of the present invention arranges and fixes the frame at a desired position, any device that can be mounted via the frame is not limited to the elevating device, and can be used for other devices. You can use it.

[Brief description of the drawings]

FIG. 1 shows a state in which an elevating device is mounted on a vehicle body via a frame using a mounting assembly of the present invention.

FIG. 2 shows an embodiment of the mounting assembly of the present invention;
FIG. 2A is a perspective view of the upper support member, and FIG.
It is a perspective view of a lower support member.

FIG. 3 shows a state where the mounting assembly of the present invention is fixed to a chassis of a vehicle body, and FIG. 3 (a) is a view when the mounting assembly is viewed from a longitudinal direction of a frame. 3A is a sectional view taken along line AA, and FIG. 3B is a sectional view taken along line BB in FIG. 3A.

FIG. 4 shows a state in which a lifting device is mounted on a vehicle body via a frame using a conventional mounting assembly.

FIG. 5 is a cross-sectional view showing a state where the conventional mounting assembly is fixed to a chassis and viewing the mounting assembly from a longitudinal direction of a frame.

FIG. 6 shows a state in which an elevating means and an elevating table are attached to a rear portion of the vehicle body.

[Explanation of symbols]

10: Mounting assembly 11: Frame 12: Bracket for cylinder 13: Shaft 14: Bolt 15: Auxiliary member 20: Mounting assembly 20 'of the present invention Supporting member of mounting assembly 21 Upper support member 22 Upper support surface 23 First upper joint surface 23 'Second upper joint surface 24 Upper concave portion 25 Upper through hole 26 ・ ・ ・ Space 27 ・ ・ ・ Auxiliary member 31 ・ ・ ・ Lower support member 32 ・ ・ First lower support surface 32 ′ ・ ・ ・ Second lower support surface 33 ・ ・ First lower joint surface 33 ′ ・ ・ ・ Second lower joint surface 34 ・ ・ ・ Lower recess 35 ・ ・ ・ Lower through hole 40 ・ ・ ・ Elevating means 41 ・ ・ Cylinder for elevating 41 ′ ・ ・ Cylinder for tilting 42, 42 ′ ・ Arm 50 ... Elevating platform 60 ... Vehicle chassis

Claims (6)

[Claims] 1. A lifting device for raising and lowering a lifting table,
An attachment assembly for attaching to a vehicle body via a columnar frame, an upper support member fixed to the vehicle having an upper concave portion at a lower end portion that is substantially larger than an upper portion of an outer shape of the frame, A lower support member having an upper end portion having a lower concave portion substantially corresponding to a lower portion of the outer shape of the frame, the upper end portion being joined to a lower end portion of the upper support member, and the upper end portion being joined to the lower end portion. And an auxiliary member fixed to the upper support member so as to abut against the outside of the frame to support the frame in an opening formed between the upper concave portion and the lower concave portion. Element. 2. A mounting assembly for mounting an object to a fixture via a columnar frame, the lower end having an upper recess substantially larger than an upper portion of the outer shape of the frame, An upper support member fixed to the fixture, a lower support member having an upper end portion having a lower concave portion substantially corresponding to a lower portion of the outer shape of the frame, and the upper end portion being joined to a lower end portion of the upper support member; When the upper end portion and the lower end portion are joined, the upper support is configured to abut on the outside of the frame to support the frame in an opening formed between the upper concave portion and the lower concave portion. An attachment member comprising an auxiliary member fixed to the member 3. The upper support member has an upper support surface having the upper concave portion at a lower end portion, and first and second projections extending substantially perpendicularly to the upper support surface from the lower end portion on both sides of the concave portion. An upper joining surface, wherein the lower supporting member has a lower supporting surface having the lower concave portion at an upper end portion, and first and second projections extending substantially perpendicularly to the lower supporting surface from the upper end portion on both sides of the concave portion. A lower joint surface of the second and the lower and the lower concave portion, when supporting the frame in the opening formed between the upper concave portion and the lower concave portion, the first and second
3. The mounting assembly according to claim 1, wherein an upper joining surface of the mounting member and the first and second lower joining surfaces are joined. 4. An upper through-hole at the first and second upper joint surfaces of the upper support member, and a lower through-hole at the first and second lower joint surfaces of the lower support member. When at least one of the upper through-hole and the lower through-hole is extended, and the upper joint surface and the lower joint surface are joined to support the frame, the upper through-hole and the lower through-hole are 4. The mounting assembly of claim 3, wherein the joining bolts pass through. 5. The mounting assembly according to claim 4, wherein when both the upper through hole and the lower through hole extend, their extending directions are vertical. 6. An outer shape of the frame is substantially quadrangular, and the upper portion and the lower portion of the outer shape of the frame have the same shape as a triangle formed by connecting opposed vertexes of the square. 3. The mounting device according to claim 1, further comprising an auxiliary recess having the same shape as the triangle.