JPH09295190A - End plate fitting device of pulley drum - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an end plate fitting device of a pulley drum capable of easily welding an end plate in a short time without generating an inclination. SOLUTION: Four arms 1 are formed in an approximate cruciform, and a suspension part 2 is fixed to an end part of either arm among four arms. In addition, a center female screw part 3 is provided on the intersection of the arms 1, and a plurality of arm female screw parts 4, 4 are provided on four arms 1 with appropriate intervals respectively, and a tightening bolt 5 in which a handle 6 and a suspension part 7 are fixed to an upper end part, and an end plate supporting part 9 is fixed to a lower end part, and two washers 8, 8 are freely fitted to its upper part is screwed in the center female screw part 3, and adjustment bolts 11, 11 to which each of adjustment nuts 10, 10 is freely fitted for each arm are screwed in the arm female screw part 4 provided in four arms 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulley drum used for a belt conveyor, an escalator and the like, and more specifically, for welding an end plate to a pulley drum, it can be easily and quickly welded without causing an inclination. The present invention relates to an end plate mounting device for a pulley drum that can be used.

[0002]

2. Description of the Related Art Conventionally, to manufacture a belt conveyor, an escalator, or the like, the installation location and installation conditions are different from each other, so that they must be individually created according to the state of the construction site. As a work at that time, it was necessary to weld the end plate to the pulley drum, penetrate the end plate with the rotary shaft, and weld the end plate to the rotary shaft. However, this end plate must be welded inside the end of the pulley drum at the correct position based on the design plan. In addition, since the inner diameter of the pulley drum and the outer diameter of the end plate may not be the same as each other, it is extremely difficult to weld the end plate to a predetermined position without tilting it. It often happened to produce defective products. However, in such a state, until now, no device has been found that can accurately and easily weld the end plate to the pulley drum.

[0003]

As described in the prior art, it is not easy to insert the end plate vertically into the pulley drum and weld the end plate to the inner wall of the pulley drum. If the end plate is tilted even a little, there arises a problem that the rotary shaft cannot be inserted, and even if it is inserted, the rotary shaft is tilted, which may cause a failure. The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to vertically clamp an end plate with a device having four arms and tightening bolts. It is an object of the present invention to provide an end plate mounting device for a pulley drum in which the end plate is suspended at the mounting position in the drum and welding can be performed simply by mounting the arm on the end of the pulley drum. The inventors of the present invention have derived the above invention that contributes to productivity improvement, industrial promotion, and production cost reduction as a result of continuous research, utilizing their own experience.

[0004]

In order to achieve the above-mentioned object, the present invention has four arms 1 and 1 made of a metal material which are molded in a substantially cross shape, and the inside of the four arms 1 and 1. A suspension portion A2 is fixedly provided at the end of any one of the arms 1, and the center female screw portion 3 is provided at the intersection of the arms 1 and 1.
In addition, the four arms 1, 1 are provided with a plurality of arm female screw portions 4, 4 at appropriate intervals, and the center female screw portion 3 also has a handle 6 and a suspension at the upper end. Tightening bolt 5 in which part B7 is fixed, end plate support part 9 is fixed at the lower end, and two washers 8, 8 are loosely fitted on the upper part thereof.
Adjusting nuts 10 and 10 screwed onto the four arms 1, 1 and the female screw portions 4 and 4 respectively. The bolts 11 and 11 are screwed together.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION In the device according to the present invention, a tightening bolt 5 having a function of sandwiching an end plate 12 is screwed at an intersection, and four arms 1 having four adjusting bolts 11, 11 are provided. Since there is 1, the following work becomes possible. A. The lengths of the lower ends of the four adjusting bolts 11 and 11 are adjusted to the same length according to the mounting position of the end plate, and then the end plates 12 are attached to the adjusting bolts 11 and 11.
With the washers 8 and 8 in the vicinity of the inner diameter of the end plate 12.
When it is placed on the upper part and is tightened with the tightening bolts 5 using the handle 6, the end plate 12 has four adjusting bolts 11,
It is pinched in a very stable state by 11 and the washers 8, 8 on the end plate supporting portion 9. B. Place the device and the end plate 12 in the above state on the end of the pulley drum 13 so that the end plate 12 fits inside the drum.
When the book arms 1 and 1 are placed, the end plate 12 is suspended vertically to the pulley drum 13 at the end plate mounting position. Therefore, the end plate 12 can be kept in an extremely stable vertical state, and the work of temporary fixing welding and main welding can be easily performed. C. Further, since there are the suspended portion A2 and the suspended portion B7, after the end plate 12 is temporarily fixed, a hook is hooked on the end plate 12 so that the pulley drum 13 can be tilted vertically and laterally by using power and raised, and an attitude that facilitates work can be obtained. Can be convenient. D. By using the device of the present invention, the welding work can be performed extremely easily and the working time can be shortened extremely, so that the working cost can be significantly reduced.

[0006]

An embodiment of the present invention will be described with reference to the drawings. The embodiment shown in FIGS. 1 and 2 is a perspective view of an embodiment of the present invention. In Figure 1, with a roughly U-shaped iron material,
Four arms 1, 1 are molded into a cross shape, and part 4
At the end of one of the arms 1, 1 of the book 1,
A ring-shaped suspension part A2 is fixed. As for these four arms 1 and 1, it is desirable that the two adjacent arms be molded a little longer than the other two arms. The reason is that when the end plate 12 is sandwiched between the four adjusting bolts 11 and 11 and the end plate supporting portion 9 and the washers 8 and 8, the position of the tightening bolt 5 is deviated from the center of the drum. You can make it easier to use by making two longer and the other shorter. Further, a center female screw portion 3 is provided at the intersection, and several arm female screw portions 4 and 4 are provided on the four arms 1 and 1 at appropriate intervals. Further, in the center female screw part 3, a handle 6 is fixed at the upper end and a hole-shaped suspension part B7 is fixed at the upper part thereof, and an end plate support part 9 is fixed at the lower end, and two pieces are provided at the upper part. The tightening bolts 5 in which the washers 8, 8 are loosely fitted are screwed together. Further, adjusting bolts 11 and 11 in which adjusting nuts 10 and 10 are screwed are respectively attached to the arm female screw portions 4 and 4, one for each of the four arms 1 and 1.
It is the one that is screwed together. To use this device, 4
After adjusting the lengths of the lower end portions of the book adjusting bolts 11 and 11 to the same length according to the mounting position of the end plate, the end plates 12 are brought into contact with the adjusting bolts 11 and 11, and When a portion near an arbitrary inner diameter portion is placed on the end plate supporting portion 9 and the two washers 8, 8 so as to be sandwiched between the both, and tightened with the tightening bolt 5 using the handle 6, the end plate is attached. 12 is four adjusting bolts 1
1, 1 and the end plate supporting portion 9 and the washers 8, 8 are sandwiched in an extremely stable state. Here two washers 8,8
Is loosely fitted to the center tightening bolt 5, so that the friction resistance between the washer 8 and the end plate 12 in contact with the washer 2 is 2
Since there is less frictional resistance between the washers 8 and 8,
The force to twist the end plate 12 is two washers 8,
8 The members of the same group rub slightly and absorb the twisting force, so that the end plate 12 can be clamped without difficulty. Next, as will be described with reference to FIG. 2, the device and the end plate 12 in the above state.
When the four arms 1 and 1 are placed on the ends of the pulley drum 13 so that the end plate 12 fits inside the drum, the end plate 12 is suspended vertically from the pulley drum 13 at the end plate mounting position. Will be hung. Therefore, end plate 1
2 can be held at the attachment position of the pulley drum 13 in a very stable vertical state. When the end plate 12 is temporarily fastened to the inner wall of the pulley drum 13 in this state, the end plate 1
The welding work can be carried out very easily without tilting 2. Also, since there are suspension parts A2 and B7, after temporarily fixing them, the pulley drum 13 can be tilted up and down freely and raised by using these suspension parts and power to make it a workable posture. Complete welding is possible, and it is very convenient for inserting the rotating shaft and welding work. By using the device of the present invention, it is possible to extremely easily perform a work that has been difficult until now.
Not only that, the working time can be extremely short, so that the working cost can be significantly reduced.

[0007]

Since the present invention is configured as described above, the following effects can be obtained. 1. Place the end plate 12 on the adjustment bolts 11 and 11, and sandwich a part of the end plate 12 between the washers 8 and 8,
Only by tightening with the tightening bolt 5, the end plate 12 can be stably fixed without tilting. 2. After the above state, 4 on the end of the pulley drum 13
By mounting the book arms 1 and 1 and suspending the end plate 12 in the drum, the end plate mounting position can be set. 3. In the above state, the end plate 12 can be maintained in a stable state perpendicular to the pulley drum 13, so that the welding work can be easily performed. The mounting position of the end plate 12 can be freely set only by adjusting the four adjusting bolts 11, 11. 5. The time required to attach the end plate 12 can be greatly reduced. 6. Almost no failure in the work of attaching the end plate 12 occurs. 7. By the suspension portion A2 and the suspension portion B7, the pulley drum 13 can be suspended together with the end plate 12, which facilitates the work. 8. The cost of attaching the end plate 12 and the rotary shaft can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment according to the present invention.

FIG. 2 is a partial cross-sectional side view for explaining an implementation state.

[Explanation of symbols]

 (1) is arm (2) Suspended part A (3) is center female screw part (4) is arm female screw part (5) is tightening bolt (6) Handle is (7) Suspended part B ( 8) is a washer (9) is an end plate support (10) is an adjusting nut (11) is an adjusting bolt (12) is an end plate (13) is a pulley drum

Claims (1)

[Claims] 1. Four arms (1) made of metal material,
(1) is molded in a substantially cross shape, and at the end of any one of the four arms (1), (1), a suspension part A (2) is fixed. The arm (1),
At the intersection of (1), the center female screw part (3), and
The arms (1) and (1) of the book are provided with a plurality of arm female screw portions (4) and (4) at appropriate intervals, and the center female screw portion (3) also has an upper end portion. The handle (6) and the suspension part B (7) are fixed to the end, the end plate support part (9) is fixed to the lower end, and two washers (8) and (8) are attached to the upper part of the end plate support part (9). The tightening bolt (5) fitted is screwed, and further the arm female screw portions (4) and (4) provided on the four arms (1) and (1) are connected to the arms (1) and ( 1)
An end plate mounting device for a pulley drum, wherein one adjusting nut (10) and one adjusting bolt (11) screwed with (10) are screwed together.