KR20130060076A - Replacement jig of contact roll with grinders - Google Patents

Abstract

The present invention relates to a grinder contact control jig, and relates to a grinder contact replacement jig that can easily loosen or tighten the ring nut by inserting the fastening shaft of the fastening portion to the ring nut and turning the operation handle to replace the contact control.
To this end, the present invention includes a plurality of coupling holes formed through the ring nut, a coupling shaft protruding from the front and inserted into the coupling hole, a coupling portion extending from the rear of the power transmission unit, and a rear end of the coupling portion. A support unit rotatably coupled, a power shaft rotatably coupled to the support unit, an operation handle fixedly coupled to the rear end of the power shaft, a first pinion gear fixed to the front end of the power shaft and the power transmission unit The second pinion gear is fixedly coupled to the first pinion gear.

Description

Grinder Control Jig {Replacement jig of contact roll with grinders}

The present invention relates to a grinder contact control jig, and relates to a grinder contact replacement jig that can easily loosen or tighten the ring nut by inserting the fastening shaft of the fastening portion to the ring nut and turning the operation handle to replace the contact control.

In general, the grinder is a device that removes defects generated on the surface of the strip using a polishing belt rotating at high speed or polishes the surface of the strip at the same time.

The grinder is provided with a polishing belt for polishing a strip and a contact shaft which is a drive shaft of the polishing belt.

Prior art related to this is Korean Patent No. 097815 (Grinding and polishing operation conversion device for strip polishing cabin, 2008.01.18.).

An object of the present invention is to provide a grinder control replacement jig that can dismantle or fasten the ring nut that is strongly fastened to replace the grinder control safely and quickly.

And it is an object of the present invention to provide a grinder contact control jig that can improve the work efficiency during the contact replacement work can be dismantled or fastened ring nut alone.

In addition, depending on the space where the grinder is installed, the contact control jig can be leveled with the ring nut, and the grinder can stably perform the contact control by preventing the replacement jig from moving left and right when the operation handle is rotated. The purpose is to provide a replacement jig as a contact.

In order to solve the above problems,

According to the present invention, a coupling hole is formed in a ring nut fastened to a contact control, and a coupling shaft is protruded in the front to be inserted into the coupling hole, and a coupling part in which a power transmission unit extends is formed in the rear, and a rear end of the coupling part is formed. A support unit rotatably coupled, a power shaft rotatably coupled to the support unit, an operation handle fixedly coupled to the rear end of the power shaft, a first pinion gear fixed to the front end of the power shaft and the power transmission unit The second pinion gear is fixedly coupled to the first pinion gear.

The power transmission unit comprises a first rotary shaft connected to the fastening unit and a second rotary shaft connected to the first rotating shaft and joint means and coupled to the support unit, or the first rotary shaft connected to the fastening unit, and a rear end of the power transmission unit. It is rotatably coupled to the support portion, the front end of the transmission shaft and the front end is provided with a coupling groove formed in the inner wall surface is coupled to the first rotation shaft and the joint means, the rear end is formed in the outer peripheral surface is inserted into the coupling groove It consists of a second rotating shaft.

The manipulation handle includes a base coupled to the rear end of the power shaft, a plurality of handle portions extending outward from the outer circumferential surface of the base, and a lever having a hollow into which the handle portions can be inserted.

The lower end of the support may be further provided with a wheel for movement.

The support portion may further include a horizontal member connected to the support portion, a vertical member coupled to the horizontal member, and a height adjuster coupled to the lower end of the vertical member to be pulled out and pulled out.

The support part may further include a support frame extending from left and right sides at both sides of the support part, and a support leg coupled to the lower end of the support frame so as to be pulled out and pulled out.

By the above-mentioned problem solving means,

The present invention can dismantle or fasten the ring nut using a small force has the effect of improving the work efficiency.

It also has the effect of making contact changes faster and more secure.

In addition, since there is no need to use a hammer or the like to disassemble the ring nut that is firmly fastened or to fasten the ring nut, there is no risk of a safety accident, and there is no effect of damaging the contact control and the ring nut. .

1 shows schematically a grinder;
2 is a view showing a grinder contact control jig according to the present invention.
3 is a view showing another embodiment of the power transmission unit.

Hereinafter, a grinder control jig according to the present invention will be described with reference to the accompanying drawings.

1 is a view schematically showing a grinder, Figure 2 is a view showing a grinder contact control jig according to the present invention, Figure 3 is a view showing another embodiment of the power transmission unit.

1 to 3, in the grinder 1 including the contact control 20 for polishing the strip 10 and a ring nut 30 fastened to the inner circumferential surface at both ends of the contact control 20, The grinder (1) contact control 20 replacement jig according to the invention, a plurality of coupling holes 31 formed through the ring nut 30, the front is formed protruding fastening is inserted into the coupling hole 31 A shaft 110 is provided and a fastening part 100 having a power transmission part 120 extending therefrom, a support part 200 to which a rear end is rotatably coupled to the fastening part 100, and the support part 200. ), The power shaft 300 is rotatably coupled to the), the operation handle 400 is fixed to the rear end of the power shaft 300, and the first pinion gear fixedly coupled to the front end of the power shaft (300) 500 and a second pinion gear 600 fixedly coupled to the power transmission unit 120 and engaged with the first pinion gear 500.

The fastening part 100 is to disassemble or fasten the ring nut 30 by the rotational force transmitted through the power transmission part 120, and the rotational force of the fastening part 100 is sufficient to the ring nut 30. In order to be delivered, the fastening shaft 110 is preferably provided with at least two or more.

The power transmission unit 120 may be in the shape of an integrally formed shaft, but in the present invention, as shown in FIG. 2, the first rotation shaft 121 and the first rotation shaft ( 121 and the second rotating shaft 122 is connected to the joint means 124 and rotatably coupled to the support 200.

Since the first rotating shaft 121 and the second rotating shaft 122 are coupled to the joint means 124, a space for dismantling or fastening the ring nut 30 is provided in the coupling part 100 and the ring nut ( Even if it is difficult to level between 30, the rotational force of the second rotary shaft 122 can be smoothly transmitted to the first rotary shaft 121.

In the present invention, the joint means 124 is a joint, which is a well known technique, and a detailed description thereof will be omitted.

On the other hand, the power transmission unit 120, as shown in Figure 3, the first rotary shaft 121 is connected to the fastening portion 100, the rear end is rotatably coupled to the support portion 200 and the front end The transmission shaft 123 and the front end is provided with a coupling groove formed in the inner wall surface is coupled to the first rotating shaft 121 and the joint means 124, the rear end is formed in the outer peripheral surface is inserted into the coupling groove It may be composed of a second rotary shaft 122.

By such a configuration, when maintaining or storing the grinder (1) contact control (20) replacement jig according to the present invention, each of the coupling parts may be stored separately, or the components of the parts requiring repair may be replaced or maintained. It works.

The support part 200 is manufactured to have sufficient strength to withstand the load generated when the ring nut 30 is dismantled or fastened. In the present invention, as shown in FIGS. 2 and 3, the support part 200 has a predetermined area. It is made into a plate shape.

The wheel 210 for movement is provided at the lower end of the support part 200 to conveniently move the grinder 1 control 20 replacement jig according to the present invention.

In addition, the support 200 may be pulled out and withdrawn from the horizontal member 220 connected to the support 200, the vertical member 230 coupled to the horizontal member 220, and the lower end of the vertical member 230. It is provided with a height adjusting unit 240 is coupled.

The horizontal member 220 and the vertical member 230 has a frame shape that is coupled to each other to more firmly support the support unit 200 so as not to flow with respect to the ground, and the height adjustment unit 240 is the vertical member 230 The nut can be pulled in or pulled out and fixed at a specific position so that the fastening part 100 can be horizontally positioned with respect to the contact control 20 so that the ring nut 30 can be removed or fastened. 30) and the threads formed on the contact control 20 are prevented from being damaged and the disassembly or fastening work can be conveniently performed.

In addition, a pair of support frames 250 extending to the left and right with respect to the support portion 200 are coupled to both sides of the support portion 200, and the lower end of the support frame 250, as the height adjustment means, It is further provided with a support leg 260 is coupled to the pull out and withdrawal is supported on the ground.

The power shaft 300 is rotatably coupled to the support part 200 through the support part 200.

The rear end of the fastening part 100 and the second rotary shaft 122 and the power shaft 300 is rotatably coupled to the support part 200 is provided with a bearing (not shown) in contact with the support part 200 do.

The power shaft 300 is installed to penetrate through the support part 200, and the front and rear ends thereof are further extended.

Therefore, the manipulation handle 400 may be coupled to the rear end of the power shaft 300, and the first pinion gear 500 may be coupled to the front end of the power shaft 300.

A second pinion gear 600 meshed with the first pinion gear 500 is installed on an outer circumferential surface of the power transmission unit 120 corresponding to the position of the first pinion gear 500.

That is, when the operation handle 400 is rotated to the left or right, the first pinion gear 500 coupled to the power shaft 300 and the power shaft 300 is rotated in conjunction with this. The rotational force is transmitted to the second rotation shaft 122 through the second pinion gear 600 meshed with the first pinion gear 500 and is connected to the second rotation shaft 122 by the joint means 124. The rotating shaft 121 and the fastening part 100 rotate.

The first and second pinion gears 500 and 600 have a gear ratio different from each other so that the rotational force for rotating the steering wheel 400 is the first and second pinion gears 500 and 600. Is increased through it is to be delivered to the fastening portion (100).

The operation handle 400 is a base 410 coupled to the rear end of the power shaft 300, a plurality of handles 420 and the handle portion 420 extending outward from the outer peripheral surface of the base 410 It includes a lever 430 is provided with a hollow that can be inserted.

The lever 430 disassembles the ring nut 30 securely fastened to the contact control 20 by operating the operation handle 400, and replaces the ring nut 30 after replacing the contact control 20. When tightening again, a large force is required. At this time, the lever 430 may be coupled to the handle part 420 to rotate the operation handle 400 to impart a greater rotational force.

Preferably, the lever 430 rotates the operation handle 400 by coupling the lever 430 to each of the handle portion 420 in the position opposite to each other around the base 410.

Hereinafter, the operation of the grinder contact control 20 replacement jig according to the present invention will be described.

When the replacement of the contact control 20 is required, the replacement jig of the present invention is moved to the side of the contact control 20.

And by adjusting the height adjustment unit 240 is coupled to the lower end of the vertical member 230 so that the fastening portion 100 and the control 20 is horizontal, the fastening shaft 110 is ring nut 30 Is inserted into the coupling hole 31.

In this state, the height adjusting part 240 is fixed to maintain the height, and by adjusting the support leg 260 coupled to the support frame 250 on both sides of the support part 200 to be retractable and pulled out Support leg 260 is supported on the ground.

Since the ring nut 30 is firmly coupled to the contact control 20, the ring nut 30 is partially loosened by partially rotating the operation handle 400 after inserting the lever 430 into the handle part 420. do. Then, the lever 430 is removed from the handle 420, and the operator continuously rotates the operation handle 400 to release the ring nut 30 from the control 20.

In this case, if the working environment is not wide enough, the joint handle 124 of the power transmission unit 120 is bent after adjusting the height of the fastening part 100 and the contact control 20. To operate.

After replacing and mounting the contact control 20, the operation is performed in the same manner as described above, but the ring nut 30 is fastened by only reverse the direction in which the operation handle 400 is rotated. When the ring nut 30 is fastened to some extent, the ring nut 30 is firmly fastened by inserting and rotating the lever 430 to the handle part 420.

As such, by using the grinder (1) contact control 20 replacement jig according to the present invention, two or more workers can dismantle or fasten the ring nut (30) without using gongs and hammers as in the conventional working method. It is effective to prevent safety accidents.

In addition, the ring nut 30 may be dismantled or fastened more quickly, and when there is a shortage of manpower, only one worker may perform the work so that the grinder 1 may be quickly repaired and maintained.

It will be understood by those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is self-evident.

1: grinder 10: strip
20: contact 30: ring nut
31: Coupling ball
100: fastening part 110: fastening shaft
120: power transmission unit 121: first rotating shaft
122: second rotating shaft 123: transmission shaft
124: articulation means 200: support
210: wheel 220: horizontal member
230: vertical member 240: height adjustment unit
250: support frame 260: support leg
300: power shaft 400: operation handle
410: base 420: handle
430: lever 500: first pinion gear
600: 2nd pinion gear

Claims (7)

In the grinder comprising a contact for grinding the strip and a ring nut fastened to the inner peripheral surface at both ends of the contact,
A plurality of coupling holes formed through the ring nut;
A fastening part protruding from the front and inserted into the coupling hole, and a fastening part extending from the rear of the power transmission part;
A support portion to which the rear end of the fastening portion is rotatably coupled;
A power shaft rotatably coupled to the support portion;
An operation handle fixed to the rear end of the power shaft;
A first pinion gear fixed to the front end of the power shaft; And
And a second pinion gear which is fixedly coupled to the power transmission unit and meshes with the first pinion gear. The method according to claim 1,
The power transmission unit includes:
A first rotating shaft connected to the fastening part; And
And a second rotation shaft connected to the first rotation shaft and joint means and coupled to the support. The method according to claim 1,
The power transmission unit includes:
A first rotating shaft connected to the fastening part;
The rear end is rotatably coupled to the support portion, the front end is provided with a coupling shaft having a recessed groove formed on the inner wall surface; And
The front end is coupled to the first rotating shaft and the joint means, the rear end is a grinder contact control jig, characterized in that consisting of; a second rotating shaft is formed in the outer peripheral surface is inserted into the coupling groove. The method according to claim 1,
The operation handle,
A base coupled around the rear end of the power shaft;
A plurality of handle portions extending outward from the outer circumferential surface of the base; And
And a lever having a hollow in which the handle part can be inserted. The method according to claim 1,
Grinder control replacement jig, characterized in that the lower end of the support further comprises a wheel for movement. The method according to claim 1,
The support portion
A horizontal member connected to the support;
A vertical member coupled to the horizontal member; And
Grinder control replacement jig further comprises a; height adjustment portion that is coupled to the retractable and withdrawable from the lower end of the vertical member. The method according to claim 1,
The support portion
Support frames extending from left and right sides of the support unit, respectively; And
Grinder control jig further comprises a; support legs supported on the ground by being coupled to the pull-out and withdrawal at the bottom of the support frame.

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