KR100740431B1 - Reforming apparatus for scaffold pipe - Google Patents

Abstract

A straightening device for a scaffolding pipe is provided to enable a worker to easily straighten a damaged scaffolding pipe, and simply straighten the damaged scaffolding pipe at a construction field although a scaffolding pipe is damaged during working. A straightening device for a scaffolding pipe comprises: a pair of pipe adjusting members(20) including semicircular straightening parts(22) which are expanded from one side to the other side such that the straightening parts are inserted into the end of a damaged scaffolding pipe, and extension parts(26) with a predetermined length formed at the other sides of the straightening parts; an adjusting member connecting part(30) having guide grooves(32) with a predetermined length formed in both sides thereof such that the extension parts of the straightening parts are movably connected to the guide grooves; a gear connecting element(40) in which an inner space is formed by the adjusting member connecting part and the extension parts, and which is connected to the extension parts connected to the guide grooves through connectors(42) such that the gear connecting element is moved during the movement of the extension parts; and an adjusting gear part(50) with a predetermined length which has a plurality of threads formed on an outer peripheral surface thereof such that the adjusting gear part is screwed to the gear connecting element and the adjusting member connecting part through connecting holes formed in central parts of the gear connecting element and the adjusting member connecting part, and which has a rotation unit(60) connected to an end thereof.

Description

Calibration device for scaffolding pipes {REFORMING APPARATUS FOR SCAFFOLD PIPE}

1 is a perspective view of a scaffolding pipe calibration apparatus according to an embodiment of the present invention;

Figure 2 is an exploded perspective view of a state in which the adjusting gear portion of the calibration device according to an embodiment of the present invention,

3 is a cross-sectional plan view of a calibration device for a scaffolding pipe according to an embodiment of the present invention;

4 is a state diagram showing a correction unit formed with interference projections according to an embodiment of the present invention;

5 is a state diagram showing a calibration device in a state where the calibration unit is in close contact according to an embodiment of the present invention;

6 is a state diagram showing a calibration device in a state in which the calibration unit is separated according to an embodiment of the present invention;

7 is a use state diagram showing a calibration process of the scaffolding pipe according to the operation of the calibration unit according to an embodiment of the present invention;

8 is a view showing a control gear portion of the calibration device according to another embodiment of the present invention;

Figure 9 is a state showing a rotation support formed projection fitting according to another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

10: scaffolding pipe 20: pipe control

22: correction part 23: binding pin

24: engaging jaw 25: interference protrusion

26: extension part 30: adjusting tool binding unit

32: guide groove 34, 44: binding ball

36: handle 40: gear binding

42: connecting piece 50: adjusting gear part

52: coupling groove 53: through hole

60: rotation support 62: fitting

The present invention relates to a calibrating device for scaffolding pipes, and more particularly, a scaffolding pipe can be easily calibrated at a construction site even if the scaffolding pipe is damaged during operation. Relates to a device.

Pipe for Scaffolding, used as safety fences, barrier walls and supporting structures at construction sites, is a hollow, length-long pipe that is connected to or combined with other neighboring scaffolding pipes for various purposes in construction. do.

The scaffolding pipe is usually used by making a structure by connecting each other through a separate connector or by connecting both ends of the connector in a specific direction by inserting the two ends into the respective scaffolding pipe.

However, in the construction site, the scaffolding pipe is frequently distorted at the end by external impact during the dismantling of the structure, so that it is difficult to extend and connect through the connector at the time of rework, which makes the construction work impossible. There was this.

In other words, when dismantling the scaffolding pipe, the end is impacted while being dropped from a high place to the floor, and the end is easily crushed or retracted, so that it cannot be extended or connected when reused.

The device for the calibration of the scaffolding pipe is being developed, but it is still inadequate. In addition, professional technology is required for the calibration of the scaffolding pipe, and a considerable amount of working time is required, resulting in a decrease in work efficiency. It became a factor to be increased.

As a representative example of a conventional calibration apparatus, Korean Patent Laid-Open Publication No. 2005-0100469 (2005.10.19, name of the invention: scaffolding pipe calibration apparatus) refers to a pressure generator and a piston operated by pressure generated from the pressure generator. A cylinder block including a rod, a fastening body mounted on the piston rod inlet / outlet of the cylinder block to guide linear movement of the piston rod, and positioned at the front side of the fastening body to expand and restore according to the movement stroke of the piston rod. Composed of an expander finger and a hinge portion formed on the expander finger and the fastening body for rotatably coupling the expander finger to reduce the risk of work by restoring the crushed inner diameter of the scaffold pipe using hydraulic pressure. In addition, the work efficiency is increased.

However, the calibration device has a disadvantage of bringing economic burden to the consumer because the final product is expensive due to the increase in the cost according to the parts by increasing the volume according to the pressure generator, cylinder, etc., especially in practical construction sites It is difficult to do it, so it is inconvenient to take only the damaged pipe and carry out the calibration work, and the calibration work is delayed, resulting in the decrease of the overall work efficiency such as the increase of other construction time.

The present invention was devised to solve the above problems, and the object of the present invention is not only to easily correct the damaged scaffold pipe by the operator, but also to easily correct the construction site even if the scaffold pipe is damaged during operation. Cost saving and easy handling due to its simple configuration make it easy to use even if you are not skilled.It can be operated by using a power tool installed in the field. To provide.

The configuration of the present invention for achieving the above object, in the calibration apparatus for restoring the inner diameter of the crushed end of the scaffolding pipe having a certain length, it is expanded from one side to the other side to be inserted into the end of the scaffolding pipe (10). A semi-circular correction part 22 is formed, and a pair of pipe adjusting means 20 having an extension part 26 formed at a predetermined length on the other side of the correction part 22; A control unit binding unit 30 having guide grooves 32 of a predetermined length formed at both sides such that the extension units 26 of the pipe control unit 20 are coupled and flow; The extension is provided in the inner space formed by the control unit binding portion 30 and the extension portion 26, the connection portion 42 is connected to the extension portion 26 coupled to the guide groove 32 through the extension Gear binding piece 40 which is interlocked with the flow of the part 42; A plurality of threads are formed on the outer circumferential surface to be screwed through the coupling holes 34 and 44 formed at the center portion of the gear binding piece 40 and the control fitting binding portion 30, and a predetermined length to which the rotating means is coupled to the end thereof. It characterized in that consisting of the control gear unit (50).

Here, the insertion part 23 is preferably provided in the straightening part 22 so as to be interconnected so as not to cross each other when inserted into the scaffold pipe 10.

In addition, the outer peripheral surface of the straightening portion 22 is inserted into a narrow interior of the scaffolding pipe 10 when engaged with a fixed interval so that the straightening portion 22 is not separated from the narrow interior of the scaffolding pipe 10. It is preferable that the jaw 24 is formed.

At this time, any one of the calibrating portion 22 has an interference protrusion 25 further protrudes to a predetermined length on the inner circumferential surface facing each other to have an outer diameter larger than the inner diameter of the scaffold pipe 10 to facilitate expansion. desirable.

On the other hand, the rotating means is fitted into the coupling groove 52 formed at the end of the control gear portion 50 or a predetermined length coupled through the through hole 53 formed at right angles to the longitudinal direction of the control gear portion 50 It is characterized in that the rotation support (60).

Hereinafter, a calibration apparatus for a scaffolding pipe of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a perspective view of the calibration device for scaffolding pipe according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the adjustment gear portion of the calibration device according to an embodiment of the present invention separated, Figure 3 4 is a plan sectional view showing a calibrating device for a scaffolding pipe according to an embodiment of the present invention, and FIG. 4 is a state diagram showing a calibrating part having an interference protrusion according to an embodiment of the present invention, and FIG. 5 is a calibrating part according to an embodiment of the present invention. Figure 6 is a state diagram showing a calibration device in a close state, Figure 6 is a state diagram showing a calibration device in a state in which the calibration unit according to an embodiment of the present invention, Figure 7 is an operation of the calibration unit according to an embodiment of the present invention Figure 8 is a state diagram showing the calibration process of the scaffolding pipe according to Figure 8 is a state diagram showing the control gear portion of the calibration device according to another embodiment of the present invention, Figure 9 is a turn formed protrusion fitting according to another embodiment of the present invention It is a state diagram showing the copper support.

As shown in the figure, the calibration device for the scaffolding pipe according to the present invention is for restoring the inner diameter of the crushed end of the scaffolding pipe 10 having a predetermined length, one side to be inserted into the end of the scaffolding pipe 10. In the pipe control opening 20 formed on one side of the semi-circular correction portion 22 is enlarged toward the other side from the side, and the extension portion 26 formed integrally with the correction portion 22 on the other side of the pipe control opening (20) Control unit binding unit 30 is coupled to each other, the gear binding piece 40 is connected to the extension portion 26 via the connection piece 42 through the movement of the extension portion 42, The gear binding piece 40 and the adjusting gear binding portion 30 is made up of an adjusting gear portion 50 coupled to each other.

Here, the extension portion 26 of the pipe adjusting device 20 is preferably formed to have a quadrangular plane shape, one side is coupled to the correction unit 22 and the other side to the control sphere binding unit 30. Preferably bolted to flow.

In this case, guide grooves 32 having a predetermined length are formed on both sides of the control sphere binding unit 30 so that the extension unit 26 moves in the control unit binding unit 30. Is formed to be inclined to a predetermined length so that the inner peripheral surfaces of the pair of straightening portions 22 which are opposed to each other are contacted or spaced apart from each other by the movement of the extension portion 26.

That is, when the extension part 26 is provided at one side of the guide groove 32, the correcting part 22 is in contact with each other so that the outer diameter is increased from one side of the end toward the other side, and the extension part 26 ) Is provided on the other side of the guide groove 32, so that the inner circumferential surface of the calibration unit 22 is spaced apart from each other so that the outer surface has the same diameter.

Here, the correction unit 22 is provided when the binding pins 23 are connected to each other when inserted into the inside of the scaffold pipe 10 so as not to cross each other, the binding pins 23 are conventional It may be formed in a pin shape, so that the remaining connection portion except for both ends are formed to have a spring-like elasticity so as not to be easily shorted.

In addition, when the correction portion 22 is inserted into the inside of the scaffolding pipe 10, the locking jaw 24 is formed at regular intervals so as to interfere with the inner circumferential surface of the scaffolding pipe 10. It is preferable that the 22 not be separated from the narrow interior of the scaffolding pipe 10.

When the extension part 26 is moved in the guide groove 32, the gear binding piece 40 is interlocked with the connecting piece 42 connected to the extension part 26, so that the adjustment sphere binding part The inner space formed by the 30 and the extension part 26 is moved by a predetermined distance.

The adjustment gear part 50 is a rod having a predetermined length formed with a plurality of threads on the outer circumferential surface to be screwed through the coupling holes (34, 44) formed in the center portion of the gear binding piece 40 and the control sphere binding unit 30 As a rectangular coupling groove 52 is formed at the end, and a through hole 53 is formed at right angles to the longitudinal direction so that the rotation means is coupled.

At this time, the adjustment gear unit 50 is preferably to have a diameter of 14 ~ 20mm to facilitate handling, the outer peripheral surface is formed with a screw thread in one direction or as shown in Figure 8 of the adjustment sphere binding unit 30 The portion penetrated by the binding hole 34 is formed by a right screw, and the portion penetrated by the gear binding piece 40 is formed by a left screw to have a moving distance twice as large as when a thread is formed in one direction when the rotation means is rotated. can do.

The rotating means is inserted into the through-hole 53, or rotated support 60 of a predetermined length formed with a rectangular fitting protrusion 62 in the center portion to be fitted into the coupling groove 52 as shown in Figure 9 Is preferable.

Therefore, when the adjusting gear portion 50 is rotated by the rotation of the rotation support 60, the gear binding piece 40 is moved to move the extension portion 26 on the guide groove 32, The diameter of the straightening part 22 is changed by the movement of the extension part 26.

In addition, after using the separate power tool provided on-site without using the rotation support 60 as the rotation means by fitting into the coupling groove 52 of the control gear unit 50, the automatic method rather than the manual method. By rotating the control gear unit 50 can change the diameter of the calibration unit 22.

On the other hand, in any one of the calibration unit 22 of the calibration device of the present invention the interference projection 25 is further protruded to a predetermined length on the inner circumferential surface facing each other, the inner diameter of the scaffold pipe 10 during the calibration of the scaffold pipe 10 It is desirable to have a larger outer diameter to facilitate expansion.

In addition, the adjusting tool binding unit 30 is provided with a handle 36 to be provided between the guide groove 32 and the guide groove 32 to facilitate the operator during the calibration operation of the scaffolding pipe 10. Allow handling and working.

The operation and effects of the present invention configured as described above will be described based on the operation state of the calibration unit shown in FIG. 7.

First, the calibration unit 22 is in close contact with each other such that the calibration unit 22 is inserted into the scaffold pipe 10 while preparing the scaffold pipe 10 to be calibrated.

When the rotating unit 60 is rotated by using the rotation support 60 to closely contact the correction unit 22, the gear binding piece 40 is rotated by the rotation of the adjustment gear unit 50 connected to the rotation support 60. The connecting piece 42 which is moved on the 50 and connected to both sides of the gear binding piece 40 is moved along the guide groove 32 of the control fitting unit 30, and the connection piece 42 of the connecting piece 42 As the extension part 26 of the pipe adjusting device 20 moves, the straightening part 22 is brought into close contact with each other. (Fig. 7 (I))

When the pivot support 60 is reversely rotated with the calibrator 22 inserted into the scaffold pipe 10, the above process is reversed, and the calibrator 22 is in close contact with each other. While spaced apart from the crushed inside of the scaffolding pipe 10 to expand to the outside. (Fig. 7 (II))

When the rotation support 60 is rotated in this state, each of the straightening portions 22 is opened to have the same outer diameter, thereby completely unfolding the crushed damaged portion of the scaffold pipe 10. (Fig. 7 (III))

Thereafter, in order to dismantle the calibration apparatus of the present invention from the scaffold pipe 10, the rotation support 60 is rotated forward to bring the calibration units 22 into close contact with each other and then the inside of the scaffold pipe 10. Withdraw from.

Thus, in the present invention, when the scaffolding pipe 10 is distorted during operation, the worker can easily work after returning the distorted portion, thereby reducing the working time other than the construction work, thereby reducing the overall working time, thereby improving work efficiency. It is a useful invention that can be further improved.

As described above, according to the present invention, not only the worker can easily correct the damaged scaffolding pipe, but even if the scaffolding pipe is damaged during operation, it can be easily corrected at the construction site. It is easy to use even if you are not skilled, and can be operated using a power tool provided in the field, so there is an advantage of correcting the scaffolding pipe within a short time.

Claims (5)

In the calibration device for restoring the inner diameter of the crushed end of the scaffold pipe having a certain length, A pair of semi-circular correction portions 22 are formed to extend from one side to the other side so as to be inserted into an end of the scaffold pipe 10, and a pair of extension portions 26 are formed at a predetermined length on the other side of the correction portion 22. Pipe adjuster 20; A control unit binding unit 30 having guide grooves 32 of a predetermined length formed at both sides such that the extension units 26 of the pipe control unit 20 are coupled and flow; The extension is provided in the inner space formed by the control unit binding portion 30 and the extension portion 26, the connection portion 42 is connected to the extension portion 26 coupled to the guide groove 32 through the extension Gear binding piece 40 which is interlocked with the flow of the part 42; A plurality of threads are formed on the outer circumferential surface to be screwed through the coupling holes 34 and 44 formed at the center portion of the gear binding piece 40 and the control fitting binding portion 30, and a predetermined length to which the rotating means is coupled to the end thereof. Calibration device for the scaffolding pipe, characterized in that consisting of the control gear portion (50). The method of claim 1, When the calibration unit 22 is inserted into the inside of the scaffolding pipe (10), a binding pin (23) for interconnecting each other so as not to cross each other is provided to pass through the calibration device for the scaffolding pipe. The method according to claim 1 or 2, In the outer circumferential surface of the straightening portion 22 is inserted into the narrow interior of the scaffolding pipe 10 when engaged with the locking jaw at a predetermined interval so that the straightening portion 22 is not separated from the narrow interior of the scaffolding pipe 10 ( 24) calibration device for the scaffolding pipe, characterized in that formed. The method of claim 3, Any one of the calibration unit 22 is characterized in that the interference projection 25 is further protruded to a predetermined length on the inner circumferential surface facing each other to have a larger outer diameter than the inner diameter of the scaffold pipe 10 to facilitate expansion. Calibration device for scaffolding pipes. The method of claim 4, wherein The rotating means is a calibration device for a scaffolding pipe, characterized in that the rotational support (60) of a predetermined length to be fitted into the coupling groove (52) formed at the end of the control gear (50).

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