JP3138426B2 - Heavy support legs - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various machines such as machine tools and conveyors, various furniture such as lockers for storing books and documents, various display devices, and heavy objects such as various electric and electronic devices such as televisions and audio devices. The present invention relates to a heavy object supporting leg for supporting

[0002]

2. Description of the Related Art Conventionally, there are various types of supporting legs for a heavy object. A fixing supporting leg for temporarily fixing the heavy object to the floor, and a moving supporting member for allowing the heavy object to move on the floor. BACKGROUND ART Heavy load supporting legs combined with legs are known. FIG. 9 shows one of the representative examples. The weight supporting leg of FIG. 9 includes a fixing supporting leg 105 and a moving supporting leg 107.

A fixing support leg 105 includes a female screw portion 103 fixed to a lower portion of the heavy object 101 via a pedestal 102,
A male screw bar 104 is provided, the amount of which projects downward from the female screw portion by being screwed and turned to the female screw portion 103. A lower end of the male screw bar 104 is provided with a foot F that is rotatable with respect to the screw bar. Note that in FIG.
a is a turning tool engaging member for engaging the screw rod turning tool,
This is fixed to the lower end of the screw rod 104. 104
b is a lock nut fitted to the screw rod 104.

The moving support leg 107 is composed of a wheel supporting portion 108 rotatably supported by the pedestal 102 and a wheel 106 rotatably supported by the wheel supporting portion 108. This heavy object supporting leg is provided with the male screw rod 10 of the fixing supporting leg 105.
When the lower end foot F of the male screw bar 104 is positioned above the lower end of the wheel 106 by adjusting the amount of protrusion of the screw 4 to be small, the heavy object 10 is moved by the wheel 106 of the moving support leg 107.
1 can be moved, and when the projecting amount of the male screw rod 104 is largely adjusted to position the lower end foot F of the male screw rod 104 below the lower end of the wheel 106, the fixing support leg 105 The heavy object 101 is temporarily fixed at the place.

FIG. 10 shows another conventional example of a heavy-weight supporting leg. In the heavy load supporting leg of FIG. 10, the fixing supporting leg 105 having substantially the same structure as that described above is fixed to the wheel supporting portion 108a of the moving supporting leg 107, not directly to the pedestal 102, and is fixed by the supporting portion 108a. This is to support both the wheel 106 and the fixing support leg 105.
Therefore, in this example, the fixing supporting leg 105 also moves with the wheel 106 along with the heavy object 1 with the rotation of the wheel supporting portion 108a.
01 can rotate.

In general, there are several types of the fixing support legs 105 depending on the thickness of the male screw rod 104 and the like, but the type of the fixing support legs to be selected depends on the weight of the heavy object 101 and the like. It is almost decided according to it, and the range of choice is small. On the other hand, the moving support leg 107
06 can be turned about the vertical axis,
There are many elements that can be selected, such as the diameter of the wheel 106 and the material of the wheel 106, such as synthetic rubber, steel, and the like. Then, the optimal supporting leg 107 for moving is selected, and the heavy supporting leg combined with the supporting leg 105 for fixing is attached to the heavy object 101.

[0007]

However, in the case of FIG. 9, the supporting leg 107 for movement is provided via the pedestal 102, and in the case of FIG. Since it is provided integrally with the support leg 105, once the heavy load support leg is determined and attached to the heavy load 101, it is necessary to rearrange the use of the moving support leg 107 due to a change in use conditions or damage to the wheels. Occurs, there is no need to replace the fixing support legs 105
The cost is increased due to the waste of replacement.
Further, since it is necessary to prepare a heavy-weight support leg in which various types of support legs 107 are combined with one type of fixed support leg 105, it is difficult to manage the load-bearing leg. There's a problem.

In view of the above, the present invention provides a fixing support leg which is fixed to a heavy object, and a transfer support leg which is replaceably attached to the fixing support leg. To provide a heavy load supporting leg which can reduce the cost of the heavy load supporting leg, reduce the number of types of heavy load supporting legs to be prepared, reduce the number of management steps, and thereby reduce the cost. As an issue.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a main body pedestal fixed to a lower part of a heavy object, a female screw portion fixed to the main body pedestal and hanging from the main body pedestal, and the female screw portion. A fixing support leg having a male threaded rod whose projecting amount below the female screw portion is adjusted by being screwed and turned, a mounting pedestal detachably mounted on the main body pedestal, and supported by the mounting pedestal. and a heavy supporting leg composed by a combination of moving support legs having wheels, said body base
The seat has a step in the center, with the step
Side portion having the fixing support legs, and the high position side
The part can be fixed to the heavy object, with the step part in between
Portion of the low position side, is a mounting base mounting part for exchanging mounting a moving support legs a plurality of types of the structure
Providing heavy support legs, characterized in that that.

According to this heavy object supporting leg, the moving supporting leg is attached to the attaching pedestal attaching / detaching portion, and the main body pedestal is provided with the fixing supporting leg with the step portion therebetween.
Attachment of the heavy load supporting legs is completed by fixing it to the lower part of the heavy load at the position of the high position of the beam. In this state, if the lower end of the fixing support leg is positioned above the lower end of the wheel by adjusting the amount of protrusion of the male screw bar of the fixing support leg to be small, a heavy object is moved by the wheel of the moving support leg. If the lower end of the fixing support leg is located below the lower end of the wheel by adjusting the amount of protrusion of the male screw bar to a large extent, the heavy load is temporarily fixed to the place by the fixing support leg. it can.

When it is necessary to replace the transfer support leg with another transfer support leg, the transfer support leg is replaced and mounted on the other transfer support leg by the mounting base attaching / detaching portion. . In this case, the main body base has fixing support legs.
Replace the supporting legs for movement while keeping the part to be fixed on the heavy object
Can be installed. Since the fixing support legs are not replaced, the cost is low. Also, since the fixing support legs can be formed so as to be compatible with a wide range of use conditions, the types of heavy load support legs can be reduced accordingly, and the man-hours for managing the heavy load support legs are reduced accordingly. Management costs are reduced.

The following can be cited as examples of the heavy load supporting leg of the present invention. That is, a main body pedestal fixed to the lower part of the heavy object, a female screw portion fixed to the main body pedestal, and a female screw portion hanging down from the main body pedestal and being screwed and turned to the female screw portion to protrude downward from the female screw portion. Combination of a fixing support leg having an external threaded rod whose amount is adjusted, a mounting pedestal removably bolted to the lower surface of the main body pedestal, and a moving support leg having wheels supported by the mounting pedestal A weight supporting leg comprising:
The seat has a step in the center, with the step
Side portion having the fixing support legs, and the high position side
The part can be fixed to the heavy object, with the step part in between
Portion of the low position side, is a mounting base mounting part for exchanging mounting a moving support legs a plurality of types of the configuration, mounting pedestal detachable portion, bolt holes pitch of a plurality of types of said mounting pedestal A weight supporting leg comprising an elongated hole formed so as to conform to the above.

According to this heavy object supporting leg, when it becomes necessary to replace the moving supporting leg, the bolt is removed and the moving supporting leg is removed from the mounting base attaching / detaching portion.
The other support leg for movement is attached by a bolt inserted into the long hole of the attachment base attaching / detaching portion. In this case, since the elongated holes are formed so as to match the bolt hole pitches of the plurality of types of mounting pedestals, the plurality of types of mounting pedestals can be arbitrarily and easily mounted.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention. In these figures, reference numeral 1 denotes a heavy object, and 2 denotes a main body pedestal made of a steel plate or the like disposed below the heavy object 1. The main body pedestal 2 is provided at four positions provided thereon as shown in FIG. Is fixed to the lower part of the heavy object 1 by the bolt 3 using the bolt hole 2a.

The main body pedestal 2 is provided with fixing support legs 4. That is, the main body pedestal 2 is
A female screw portion 5 hanging down from is fixed by welding or the like. A male threaded rod 6 is screwed into the female threaded part 5, and the amount of projection of the female threaded part 5 downward is adjusted by turning the male threaded rod 6. A base pedestal 7 is rotatably connected to the lower end of the male screw rod 6 so as to be rotatable with respect to the screw rod 6. The pedestal 7 has an elastic body (made of rubber) 7 which also serves as a non-slip.
1 is fitted.

Reference numeral 8 denotes a lock nut which is screwed to the male screw rod 6 below the female screw portion 5. Reference numeral 61 denotes an engaging member of a screwdriver attached to the lower part of the screw rod 6. The support leg 9 for movement is attached to the main body base 2. The moving support leg 9 includes a square mounting pedestal 10 detachable from the main body pedestal 2, and a wheel supporting member 11 supported on the mounting pedestal 10 so as to be rotatable around a vertical axis.
And a wheel 12 rotatably supported on the support member 11 about a horizontal axis. At four corners of the mounting base 10, bolt holes 13 are formed at equal pitches as shown by broken lines in FIG.
Is pierced.

On the main body pedestal 2, there is formed a mounting pedestal attaching / detaching portion 14 for exchanging and mounting a plurality of types of the moving support legs 9 having the above-mentioned configuration. That is, a step portion 15 is formed at the center of the main body pedestal 2 so that one side of the main body pedestal 2 is slightly lower, and the slightly lowered portion is formed in the mounting pedestal attaching / detaching portion 14. Further words
For example, as shown in FIG. 1 and FIG.
A step 15 is formed in the center, and this step is interposed.
The bolt hole 2a and the fixing
A support leg 4 is provided, and the main body pedestal 2
At the bottom of the heavy object 1 using the bolt hole 2a
Is fixed at 3. And low level with step 15 in between
The part on the mounting side allows the transfer support leg 9 to be exchangeably attached.
The attachment pedestal attachment / detachment unit 14 is provided. This mounting base
In the attaching / detaching portion 14, elongated holes 16 are formed which extend radially in four directions in plan view so as to match the pitches of the bolt holes 13 of the plurality of types of mounting pedestals 10. A bolt 17 is inserted from above into a bolt hole 13 of the mounting base 10 and a long hole 16 of the mounting base attaching / detaching portion 14, and a nut 18 is inserted into the bolt 17 at the lower side. The supporting legs 9 for movement are attached to the main body pedestal 2, more specifically, to the mounting pedestal attaching / detaching portion 14 for attachment.

In the first embodiment, the protrusion of the male screw rod 6 of the fixing support leg 4 is adjusted to be small so that the lower surface of the elastic body 71 at the lower end of the male screw rod 6 is positioned above the lower end of the wheel 12. Then, the heavy object 1 can be moved by the wheels 12 of the supporting legs 9 for movement, and the amount of protrusion of the male screw rod 6 is largely adjusted to adjust the elastic body 71 at the lower end of the male screw rod 6.
If the lower surface is positioned below the lower end of the wheel 12, the heavy load 1 can be temporarily fixed to the place by the fixing support legs 4.
When it becomes necessary to replace the moving support leg 9, the bolt 17 and the nut 18 are separated from each other, the moving support leg 9 is detached from the mounting base attaching / detaching portion 14, and another desired moving supporting leg is attached. A long hole 16 of the mounting base attaching / detaching portion 14.
And the bolts 17 and nuts 18 that are inserted through the mounting bolt holes of the other moving support legs. Here, since the long holes 16 are formed so as to match the bolt hole pitches of the plurality of types of mounting pedestals 10, a selected one of the plurality of types of mounting pedestals 10 can be mounted. In that case, since the fixing support leg 4 is not replaced, the cost is reduced. Further, in this example, since the replacement work can be performed while the heavy object 1 is temporarily fixed by the fixing support legs 4, the moving support legs 9 can be easily replaced. In addition, since the fixing support legs 4 can be formed so as to be compatible with a wide range of use conditions, the types of the heavy load support legs can be reduced accordingly, and the man-hours for managing the heavy load support legs are reduced accordingly. Management costs are reduced.

FIGS. 3 and 4 show a second embodiment of the present invention. Here, the same portions as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the second embodiment,
Spacers 21, 22... Which can be brought into contact with the lower surface of the heavy object 1 are mounted on the upper side of the mounting pedestal attaching / detaching portion 14, and the spacers 21, 22. This prevents the problematic deformation from occurring. Other actions and effects are first
This is the same as the embodiment.

FIGS. 5 and 6 show a third embodiment. Substantially the same portions as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. This embodiment is a heavy object supporting leg composed of a combination of the moving supporting leg 9A shown in FIG. 5 and the main body pedestal 2 and the fixing supporting leg 4 shown in FIG. In this embodiment, a rectangular mounting pedestal 10A detachable from the main body pedestal 2 as the support leg 9A for movement, a wheel supporting member 11A rotatably supported on the mounting pedestal 10A about the longitudinal axis, The one provided with the support member 11A and the wheel 12 rotatably supported around the horizontal axis is employed. Bolt holes 13 are formed at four corners of the mounting base 10A.

In the first embodiment, the mounting base attaching / detaching portion 14 has elongated holes 16 extending radially in four directions in plan view.
In the third embodiment, elongated holes 31 to 36 are formed in the mounting pedestal attaching / detaching portion 14 so as to extend in parallel in a plan view. These long holes 31 to 36 are middle ones 33, 34.
Is formed to be shortest and to be longer toward both sides toward the end, so as to match the pitch of the bolt holes 13 of the mounting pedestal 10A of the plurality of types of moving support legs 9A.

Other functions and effects of the heavy load supporting leg of the third embodiment are the same as those of the first embodiment. In addition, as for those which can be attached and detached, the moving support legs 9 adopted in the first embodiment may be attached to and used in the attachment pedestal attaching / detaching portion 14 in the third embodiment. The illustrated moving support leg 9A may be mounted and used on the mounting base attaching / detaching portion 14 in the first embodiment.

FIG. 7 shows a fourth embodiment. Parts that are substantially the same as those in the first embodiment are given the same reference numerals, and descriptions thereof are omitted. This embodiment includes a main body pedestal 2 shown in FIG.
It is a heavy load supporting leg composed of a combination of the moving supporting leg 9B and the fixing supporting leg 4. In the fourth embodiment, the moving support leg 9B includes a square mounting pedestal 10B that is mounted on the pedestal attaching / detaching portion 14 of the main body pedestal 2 having the same structure as in the first embodiment. Fix the female screw part 41 which hangs down from 10B,
A male screw rod 42 is screwed into the female screw part 41, and the wheel support member 11B is fixed to the male screw rod 42.
B is rotatably supported. Male thread rod 42
To the engaging member 4 of the screwdriver attached to the lower end thereof.
3, the amount of protrusion of the female screw portion 41 downward, that is, the height of the wheel 12B can be adjusted. By tightening the lock nut 44 screwed to the screw rod 42, the wheel 12 cannot rotate around the longitudinal axis.

Other functions and effects of the heavy load supporting leg of the fourth embodiment are the same as those of the first embodiment. In the above-described heavy load supporting leg, the main body pedestal 2 is fixed to the lower portion of the heavy load 1 by the bolt 3, but the fixing method is not limited to the bolt fastening. Further, in the above-mentioned heavy load supporting legs, the elongated holes 16, 31 to 31 formed in the mounting pedestal attaching / detaching portion 14 of the main body pedestal 2 so as to match the bolt hole pitches of the plurality of types of mounting pedestals 10, 10A, 10B. 36, on which the mounting pedestals 10, 10A, 10B of the moving support legs 9, 9A, 9B are attached with bolts 17 passing therethrough.
And the nut 18, but the present invention is not limited to this.

For example, as in the fifth embodiment shown in FIG. 8, L-shaped engaging members 51 and 52 each having a hook-shaped lower end are attached to the mounting pedestal attaching / detaching portion 14 of the main body pedestal 2.
Or a plurality of bolts 5 in which some of the engaging members 51 are inserted through long holes 53 formed in the mounting base attaching / detaching portion 14.
4 so that it can be moved laterally along the long hole 53,
The hook-shaped portions of the engagement members 51 and 52 allow the
The mounting pedestals of the support legs for movement such as A and 10B may be fixed so as to embrace them. By doing so, it is possible to replace and mount a plurality of types of moving support legs having different shapes and dimensions of the mounting base by moving the engaging member 51.

[0026]

As described above, according to the present invention, the movable support leg is replaceably attached to the fixed support leg fixed to a heavy object, so that the fixed support leg is left as it is for moving. Only the support legs can be easily replaced, thereby reducing the cost of supporting the heavy load legs, and reducing the types of heavy load support legs to be prepared, reducing the man-hours required, and thereby reducing the weight. An object support leg can be provided.

[Brief description of the drawings]

FIG. 1 is a side view of a first embodiment.

FIG. 2 is a plan view of a main body pedestal and fixing support legs according to the first embodiment.

FIG. 3 is a side view of the second embodiment.

FIG. 4 is a plan view of a main body pedestal and fixing support legs according to a second embodiment.

FIG. 5A is a plan view of a moving support leg according to a third embodiment, and FIG. 5B is a side view of the same.

FIG. 6 is a plan view of a main body pedestal and fixing support legs according to a third embodiment.

FIG. 7 is a side view of the fourth embodiment.

FIG. 8 is a diagram showing a state in which a support leg for movement is attached to a main body pedestal according to a fifth embodiment.

FIG. 9 is a side view showing a conventional example.

FIG. 10 is a side view showing another conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 heavy object 2 main body pedestal 4 fixing support leg 5 female screw portion 6 male screw rod 9, 9A, 9B moving support leg 10, 10A, 10B mounting pedestal 11, 11A, 11B wheel support member 12, 12B wheel 14 mounting pedestal Detachable part 16 Long hole 17 Bolt 18 Nut 31-36 Long hole 41 Female screw part 42 Male screw rod 51, 52 Engaging member 53 Long hole

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F16M 11/20-11/22 B60B 33/00-33/06

Claims (3)

(57) [Claims] 1. A main body pedestal fixed to a lower part of a heavy object, a female screw portion fixed to the main body pedestal, hanging down from the main body pedestal, and screwed into the female screw portion to be turned under the female screw portion A fixing support leg having an external threaded rod whose projection amount is adjusted, a mounting support detachable to the main body pedestal, and a moving support leg having wheels supported by the mounting pedestal. The main body pedestal has a step in the center, and the step is
And having the fixing support legs in a portion on the high position side, and
The step can be fixed to the heavy object at the high position side.
A mounting pedestal attachment / detachment portion for replacing and attaching a plurality of types of the moving support legs having the above-described configuration , with the portion on the low position side therebetween.
Heavy supporting legs, characterized in that there is a. 2. A main body pedestal fixed to a lower part of a heavy object, a female screw portion fixed to the main body pedestal, hanging down from the main body pedestal, and screwed into the female screw portion to be turned downward by the female screw portion. A fixing support leg having a male threaded rod whose projection amount is adjusted, a mounting pedestal removably bolted to the lower surface of the main body pedestal, and a moving support leg having a wheel supported by the mounting pedestal The main body pedestal has a step in the center, and the step is interposed
And having the fixing support legs in a portion on the high position side, and
The step can be fixed to the heavy object at the high position side.
A mounting pedestal attachment / detachment portion for replacing and attaching a plurality of types of the moving support legs having the above-described configuration, with the portion on the low position side therebetween.
The mounting pedestal attachment / detachment portion includes a long hole formed to match a bolt hole pitch of the plurality of types of the mounting pedestals. 3. The mounting pedestal attaching / detaching portion of the main body pedestal.
A spacer is provided on the upper side that can contact the lower surface of the heavy object.
3. The heavy object supporting leg according to claim 1, wherein