KR20230156582A - Jig device for pipe fixed - Google Patents

Abstract

The present invention relates to a jig device for fixing a pipe. The jig device for fixing a pipe supports a pipe in a fixed state, comprising: a base block on which a recessed buried groove is formed on the upper surface; A worm gear rotatably provided in an embedded groove of the base block; A cylinder body coupled to a worm gear and rotating like the worm gear while the piston rod is provided to be raised and lowered; A lifting plate provided on the piston rod and moved in and out of the buried groove while being lifted together with the piston rod; A jig device for fixing a pipe including a plurality of support blocks provided on a lifting plate to support and secure the pipe.

Description

Jig device for pipe fixation}

The present invention relates to a jig device for fixing a pipe, and more specifically, to a jig device for fixing a pipe that can raise, lower and rotate a pipe that is cut according to the shape of the control pipe to be reproduced while firmly fixing it.

Generally, ships are manufactured and installed in blocks, and internal piping is also manufactured and installed in blocks to form piping lines so that all engines can operate normally during final construction.

However, when various engines are manufactured in block units, as in the case of large ships, installation errors are bound to occur due to manufacturing based on the initial design, and piping lines are also bound to have corresponding errors.

However, when forming a piping line, the long fixed pipes that connect various organs are manufactured and installed according to the initial design drawing, and by disconnecting each fixed pipe to leave room, errors in the installation of various organs can be overcome. . At this time, a relatively short adjustment pipe that connects each fixing pipe is manufactured and installed through post-processing.

There are three main methods for manufacturing these control pipes: spot use, jig use, and measurement reproduction. Among these methods of manufacturing regulators, the measurement reproduction method has recently been in the spotlight as it allows for easy and simple manufacturing of regulators and reduces production costs by reducing logistics movement.

In the measurement reproduction method, the forming elements of the control tube to be formed between a pair of fixed tubes are measured using a measuring device, and the measured values are input into the control tube reproduction device and reproduced. The control pipe manufactured in this way is taken to the site and installed.

In the measurement reproduction method, the forming elements of the adjusting pipe connecting a pair of fixed pipes can be divided into four types: the length of the pipe, the face angle of the flange, the location of the bolt hole of the flange, and the step of the piping line.

Therefore, the controller's measurement method must include all of the above four elements, and expression methods include a method expressed in relative three-dimensional coordinates, a method expressed in angles and lengths, a method expressed in length, and a method expressed in angles.

Meanwhile, as explained above, the ship construction process is manufactured and installed in block units. Each member is assembled to form a small block, and the small block is then assembled into a medium block and a large block, transported to the dock, and then loaded. It is assembled.

A number of piping lines are installed on ships going through this construction process, and a number of piping lines are manufactured and mounted in blocks, but the adjustment pipe, which is a joint pipe connecting the piping lines mounted on each block, requires post-work. It is manufactured and installed through.

In other words, the adjusting pipe is a pipe for connecting two pipes arranged at different distances or angles. Depending on their shape, these adjusting pipes can be used as straight pipes, bent pipes (or elbow pipes), and tee pipes. It is divided by the back, and the bending angle of the bend pipe can have various shapes such as 90 degrees to 135 degrees.

However, when the piping line mounted on each block is assembled, the height difference between the two pipes and the distance or angle between the two pipes frequently occur.

Therefore, in order to connect two pipes with an adjusting pipe, leave a margin in the longitudinal direction of the pipe that is in contact with both ends of the adjusting pipe, cut both ends of the adjusting pipe, and finally butt weld the both ends of the adjusting pipe to both pipes to connect the adjusting pipe. Installation work has been completed.

In this case, if the two pipes are three-dimensionally distorted, it becomes very difficult to cut the pipe so that the adjusting pipe to be installed fits the corresponding three-dimensional shape. In the field, repeated measuring and cutting work is performed to Since it must be confirmed that it is installed correctly, there is a disadvantage in that the installation process is delayed due to excessive cutting times.

Accordingly, in Korean Patent No. 10-1977555 (hereinafter referred to as 'Prior Art Document 1'), the present applicant measured the shape of the fixed pipe where the adjusting pipe will be installed using rotation angle and distance data, and used the measured results to determine the twisted angle and We proposed a general-purpose regulator reproduction device that can accurately and quickly reproduce the regulator tube shape, taking into account length, etc.

However, when attempting to cut the end of the pipe and form it into an adjustment pipe according to the measurement results in Prior Art Document 1 registered by the present applicant, when the required shape of the adjustment pipe is complicated, that is, the end of the pipe is shaped into a three-dimensional shape (oval shape) ), there is a problem that cutting cannot be done with a standard orbital cutting robot.

Accordingly, a plasma cutting machine has recently been developed to reproduce the control pipe in a three-dimensional shape, and when cutting using such a plasma cutting machine, it is important to place and fix workpieces such as pipes in the correct position for precise processing. A pipe is used using a jig block as disclosed in Republic of Korea Patent No. 10-2232086 (hereinafter referred to as ‘Prior Art Document 2’) and Republic of Korea Patent No. 10-2242236 (hereinafter referred to as ‘Prior Art Document 3’). was fixed.

When described with reference to FIG. 1, this conventional jig block 1 is detachably coupled to the base plate 10, which is installed to have a certain height of ground clearance, and has a pipe (P) on its upper surface. ) includes a plurality of jigs 20 on which the jig is mounted.

Each of these jigs 20 has a "∨"-shaped seating groove formed on its upper surface to stably support the pipe P, and is further coupled to each jig 20 to secure the pipe P to the jig 20. ) may be further provided with a clamp that restrains the seating groove.

However, since the jig 20 on which the pipe P is seated is located at a height that protrudes more upward from the base plate 10, the jig is lifted while the pipe P is lifted using lifting equipment such as a crane. (20) There is a lot of inconvenience and hassle in having to place it on top or lift it and separate it from the jig (20), and this series of additional processes has the disadvantage of taking a lot of work time.

In addition, if the size of the pipe (P) mounted on the jig (20) changes or the position of the pipe (P) needs to be changed to process (cut) a different part of the pipe (P), the base plate (10) The jig 20 must be rearranged, but since the jig 20 that supports the pipe P is also quite heavy, there is a disadvantage in that it is not only difficult to transport and rearrange the jig 20 but also takes a lot of work time.

Republic of Korea Patent No. 10-1977555 Republic of Korea Patent No. 10-2232086 Republic of Korea Patent No. 10-2242236

Therefore, the present invention was devised to solve the problems of the prior art as described above, and is a pipe fixing jig device that firmly supports the pipe to be cut in the shape of the control pipe to be reproduced and allows it to be raised, lowered and rotated in a fixed state. The purpose is to provide.

A jig device for fixing a pipe according to the present invention for achieving the above-described object is a jig device for fixing a pipe that supports a pipe in a fixed state, and includes a base block in which a recessed buried groove is formed on the upper surface; A worm gear rotatably provided in an embedded groove of the base block; A cylinder body coupled to a worm gear and rotating like the worm gear while the piston rod is provided to be raised and lowered; A lifting plate provided on the piston rod and moved in and out of the buried groove while being lifted together with the piston rod; It is characterized in that it includes a plurality of support blocks provided on the lifting plate to support and secure the pipe.

In addition, a vertical surface is formed on the side of the plurality of support blocks facing each other, an inclined surface is formed on the side opposite to the vertical surface, and a curved surface on which the pipe is supported by contacting the pipe is formed by gently connecting the inclined surface and the vertical surface at the boundary between the inclined surface and the vertical surface. You can.

In addition, the plurality of support blocks may be provided so that their curved surfaces are positioned at the same height as the opening of the buried groove or are positioned lower than the opening of the buried groove when the lifting plate is lowered.

In addition, the lifting plate is formed with guide rails that protrude upward on both sides, a slide groove is formed on the upper surface of the guide rail, and a plurality of support blocks are inserted into the slide grooves of the guide rail on both sides, and guide stones are guided during movement. Wealth can be formed.

In addition, a plurality of fixing holes for fixing the support blocks are formed in the lifting plate, and fixing protrusions that are coupled and fixed to the fixing holes by fixing pins may be formed on the plurality of support blocks.

In addition, the lifting plate is provided with a rotatable pinion gear, and the plurality of support blocks are provided with rack gears that protrude in opposite directions with the pinion gear in between and engage symmetrically with the pinion gear, so that both support blocks It can be provided to be moved simultaneously.

According to the jig device for fixing a pipe of the present invention, when cutting a pipe and forming it into an adjustment pipe to be reproduced, not only can the pipe be firmly supported and fixed on the jig block, but the pipe can be raised and lowered to a desired height and rotated by a desired angle. Since the support block can be easily and quickly readjusted to fit the size of the pipe, the work time required to reproduce the control pipe is shortened, which has the effect of improving productivity.

Figure 1 is a diagram showing a conventional jig block.
Figure 2 is a configuration diagram of a jig device for fixing a pipe according to the present invention.
Figure 3 is a view showing the upper surface of the jig device according to the present invention from another direction.
Figure 4 is a diagram showing the structure of a support block provided on a lifting plate according to the present invention.
Figure 5 is a cross-sectional configuration diagram of the jig device according to the present invention.
Figure 6 is a configuration diagram of another embodiment of a support block according to the present invention.
Figure 7 is a diagram of the process in which pipes are supplied to the jig device according to the present invention.
Figure 8 is a view of the pipe being lifted and fixed in the jig device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

The terms used in the present invention are terms defined in consideration of the functions in the present invention, and may vary depending on the intention or custom of the user or operator, so the definitions of these terms are defined in accordance with the technical details of the present invention. It should be interpreted as a concept.

In addition, the embodiments of the present invention do not limit the scope of the present invention, but are merely illustrative of the components presented in the claims of the present invention, and are included in the technical idea throughout the specification of the present invention and are included in the claims. This is an embodiment that includes components that can be replaced as equivalents in the components.

Additionally, optional terms in the examples below are used to distinguish one component from another component, and the components are not limited by the terms.

Accordingly, when describing the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the gist of the present invention are omitted.

2 to 8 are diagrams showing the jig device for fixing a pipe according to the present invention and its respective components and operating states.

As shown in FIG. 2, the pipe fixing jig device 100 according to the present invention supports and fixes the pipe (P) for processing such as cutting the pipe (P) before forming the pipe (P) into an adjusting pipe. It is a device that

As shown in FIGS. 2 and 5, this jig device 100 includes a base block 110 in which a recessed embedded groove 111 is formed on the upper surface, and the jig device 100 rotates within the embedded groove 111 of the base block 110. A worm gear 120 that is possibly provided, a cylinder body 130 that is coupled to the worm gear 120 and rotates with the worm gear 120 while allowing the piston rod 131 to enter and exit upward, and a piston rod 131. ) and a lifting plate 140 that is lifted and lowered with the piston rod 131 and goes in and out of the buried groove 111, and a plurality of support blocks ( 150).

The base block 110 is formed to have a ground clearance of a certain height from the ground, but one side thereof may be further provided with an inclined block (not shown) that can be smoothly moved by rolling the pipe P to the upper surface of the base block 110. You can.

This base block 110 has a buried groove 111 formed in the central portion of its upper surface, and a worm gear 120, which will be described later, is provided on the bottom of the buried groove 111.

In addition, a cover plate 112 covering the buried groove 111 is provided at the open upper part of the buried groove 111, and a through hole in the center of the cover plate 112 has a shape corresponding to the lifting plate 140, which will be described later. (113) is formed. Accordingly, the lifting plate 140, which will be described later, is provided to enter and exit upward from the buried groove 111 through the through hole 113 of the cover plate 112.

Meanwhile, the worm gear 120 is provided on the bottom surface of the buried groove 111, and the worm wheel 121 is rotatably provided in a state that is placed face-to-face at the center of the bottom surface of the buried groove 111, and the worm wheel 121 A worm 122 is meshed with the outer peripheral surface of the . Accordingly, as the worm 122 rotates on the bottom surface of the buried groove 111, the worm wheel 121 engaged with the worm 122 rotates.

A hydraulic cylinder is provided on the upper surface of the worm wheel 121 provided in this way, and the cylinder body 130 of the hydraulic cylinder is fixed in a vertical position on the upper surface of the worm wheel 121, and the upper part of the cylinder body 130 is The piston rod 131 is provided to move in and out in the vertical direction.

At this time, the cylinder body 130 is provided with ports through which hydraulic pressure goes in and out at the top and bottom, respectively, and as hydraulic pressure goes in and out of each port, the piston rod 131 is provided to go in and out of the cylinder body 130.

In particular, when the piston rod 131 coming in and out of the cylinder body 130 is inserted into the cylinder body 130, the upper end of the piston rod 131 is completely inserted into the buried groove 111, and when withdrawn from the cylinder body 130, the upper end of the piston rod 131 is completely inserted into the buried groove 111. is provided so that the upper end of the piston rod 131 has a stroke that protrudes outward from the buried groove 111. This is to ensure that when the lifting plate 140, which will be described later, is lowered, the upper end of the support block 150 provided therein is positioned at the same height as the opening of the buried groove 111 or is positioned lower than the opening of the buried groove 111. am.

In addition, as the cylinder body 130 is fixed to the upper surface of the worm wheel 121 as described above, the cylinder body 130 and the piston rod 131 are provided to rotate in the same direction when the worm wheel 121 rotates.

In particular, in order to rotate the piston rod 131 together with the cylinder body 130 without malfunction when the cylinder body 130 is rotated by the worm wheel 121, the cylinder body 130 and the piston rod 131 have a polygonal structure. It may be coupled by shape matching, or the piston rod 131 may be coupled to the cylinder body 130 by splines or serrations.

Therefore, the piston rod 131 coupled to the cylinder body 130 as described above is capable of moving in and out of the cylinder body 130 in the vertical direction, but rotates relative to the cylinder body 130, that is, the piston rod 131 is connected to the cylinder body 130. (131) is provided in a structure that makes it impossible for it to be rotated alone.

Accordingly, it is possible to prevent the slip phenomenon caused by a malfunction in which the piston rod 131 does not rotate in the cylinder body 130 that rotates together with the worm wheel 121.

Meanwhile, a lifting plate 140 is fixed to the upper end of the piston rod 131 as described above. Although the lifting plate 140 is formed in a rectangular shape in this embodiment as an example, the shape of the lifting plate 140 Please note that this is not limited or limited to this.

As shown in FIGS. 3 and 4, the lifting plate 140 is provided with a plurality of fixing holes 141 arranged in a row along the longitudinal direction at its center, and the lifting plate 140 is positioned based on the fixing holes 141. On both sides of (140), guide rails 142 protruding upward are provided and positioned in parallel with the fixing hole 141.

The guide rail 142 is made up of a plurality of rails to form one side guide rail 142, and is moved with the guide protrusion 151 of the support block 150, which will be described later, inserted between the plurality of rails. A slide groove 143 is formed.

As a result, the support block 150, which will be described later, can move smoothly in a straight line due to the guide rail 142 and the slide groove 143 without shaking due to clearance.

Meanwhile, a plurality of support blocks 150 are provided on both sides of the lifting plate 140 while maintaining a gap.

These two support blocks 150 are formed in the shape of an approximately right triangle, and a vertical surface 150c is formed on the side facing each other, and an inclined surface 150a with a gentle slope is formed on the opposite side of the vertical surface 150c. At the boundary between 150a and the vertical surface 150c, that is, at the top, a curved surface 150b is formed by gently connecting the inclined surface 150a and the vertical surface 150c to support the pipe P in contact with it.

In particular, the top part of the support block 150, which is supported by contacting the circumferential surface of the pipe P, is formed as a gently rounded curved surface 150b rather than the corner of a right triangle, so that the pipe P is made into surface contact rather than line contact. Since it is supported, the flow of the pipe (P) can be suppressed as much as possible during processing operations such as lifting, rotating, or cutting the pipe (P).

And, the reason why the inclined surface 150a of the support block 150 is formed on the outside is that when the pipe P is rolled and placed between both support blocks 150, the pipe P is placed on the inclined surface 150a of the support block 150. ) so that it can be easily crossed.

Of course, in the present invention, when the lifting plate 140 is lowered, the curved surface 150b formed on the top of the support block 150 is positioned at the same level as the opening of the buried groove 111 or lower than the opening of the buried groove 111. It is located and provided.

As a result, when the pipe (P) is seated, the pipe (P) and the support block 150 do not interfere at all, but when the top of the support block 150 protrudes above the opening of the buried groove 111 due to malfunction, the pipe P and the support block 150 do not interfere at all. (P) is able to go over the slope (150a) of the support block (150).

In addition, the support blocks 150 as described above have guide protrusions 151 formed on their lower surfaces to protrude and are coupled to the guide rails 142 of the lifting plate 140. That is, the guide protrusion 151 of the support block 150 is provided with a plurality of guide protrusions 151 maintained at regular intervals and is coupled to the inner rail of the guide rail 142 of the lifting plate 140. , At this time, the outer guide protrusion among the plurality of guide protrusions 151 is provided by being inserted into the slide groove 143 of the guide rail 142.

As a result, both support blocks 150 do not shake due to clearance when moved by their guide protrusions 151 and the guide rails 142 and slide grooves 143 of the lifting plate 140, so the support blocks 150 remain intact even after movement. The original installation state can be firmly maintained.

In addition, both support blocks 150 are formed with a protruding fixing protrusion 152 at the outer end where the inclined surface 150a is located, and this fixing protrusion 152 has a fixing protrusion 152 corresponding to the fixing hole 141 of the lifting plate 140. A through hole is formed, and a fixing pin 153 is coupled through the through hole of the fixing protrusion 152 and the fixing hole 141 of the lifting plate 140 to fix the support block 150 on the lifting plate 140. do.

Meanwhile, both support blocks 150 provided as above can adjust the gap between both support blocks 150 according to the size of the pipe (P), and when adjusting the gap, both support blocks 150 are moved in the same direction. It moves the same distance, which is to ensure that the center of the installed pipe (P) is always at a constant position.

In particular, in the above-described embodiment, both support blocks 150 are moved separately as shown in FIG. 4, but both support blocks 150 may be moved simultaneously at once.

That is, as shown in FIG. 6, a pinion gear 144 is rotatably provided at the center of the upper surface of the lifting plate 140, and both support blocks 150 are provided in directions facing each other with the pinion gears 144 in between. A rack gear 154 is provided that protrudes and engages symmetrically with the pinion gear 144.

The rack gears 154 of both support blocks 150 are symmetrically positioned and engaged with respect to the center of the pinion gear 144, so that just by moving one support block 150, the other support block 150 on the opposite side can be moved. This has the advantage of being convenient because it moves the same distance in the same direction at the same time.

Meanwhile, a hydraulic control unit 160 storing hydraulic pressure is provided on one upper surface of the base block 110 spaced apart from the buried groove 111, and the hydraulic control unit 160 controls the cylinder with a plurality of hydraulic hoses 161. It is connected to the main body 130 so that the piston rod 131 can be moved in and out of the cylinder body 130, and is connected to the worm gear 120 through a separate hydraulic hose 161 to lubricate the worm 122 and the worm wheel 121. It will be done.

In addition, the base block 110 may be provided with foot switches 170 and 171 for operating the piston rod 131 and the worm gear 120 of the cylinder body 130, respectively. For example, when the contact point of the foot switch 170 is turned on/off, the piston rod 131 is moved in and out of the cylinder body 130, and when the contact point of the foot switch 171 is turned on/off, the operation of the worm gear 120 is controlled. You can do it.

The operational relationship of the jig device for fixing pipes according to the present invention as described above will be described.

First, when the pipe P is to be separated or installed in the jig device 100, the lifting plate 140 is inserted into the buried groove 111 as shown in FIG. 7 and positioned.

At this time, the lowered lifting plate 140 is inserted so that the curved surface 150b of the support block 150 provided on its upper surface is positioned at the same level as or lower than the opening of the buried groove 111.

In this state, when it is desired to install the pipe (P) between both support blocks 150 on the lifting plate 140, roll the pipe (P) and place it between both support blocks 150 as shown in FIG. When hydraulic pressure is supplied to the main body 130, the piston rod 131 rises.

Then, as the lifting plate 140 rises like the piston rod 131, both support blocks 150 come into contact with the lower circumferential surface of the pipe P as shown in FIG. 8. At this time, the pipe P is connected to both support blocks. Since it is supported in a face-to-face state on the curved surface (150b) of (150), the pipe (P) can be firmly fixed without moving.

In addition, the pipe (P) fixed between both support blocks 150 is raised and positioned to the height where the work tool is located, and in this state, when the worm gear 120 at the lower part of the cylinder body 130 is operated, the pipe (P) Because it rotates in an elevated state, machining work can be performed smoothly and work time can be shortened.

In addition, as readjustment work such as widening or narrowing the gap between the two support blocks 150 supporting the pipe (P) according to the size of the pipe (P) is easily performed, the work time due to the reproduction of the adjusting pipe is shortened, increasing productivity. can be improved.

Although the present invention has been described in detail through specific examples, this is for detailed explanation of the present invention, and the present invention is not limited thereto, and can be understood by those skilled in the art within the technical spirit of the present invention. It is clear that modifications and improvements are possible.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

100: Jig device 110: Base block
111: buried groove 112: cover plate
113: through hole 120: worm gear
121: worm wheel 122: worm
130: Cylinder body 131: Piston rod
140: Elevating plate 141: Fixing hole
142: Guide rail 143: Slide groove
144: pinion gear 150: support block
150a: slope 150b: curved surface
150c: vertical surface 151: guide protrusion
152: fixing protrusion 153: fixing pin
154: Rack gear 160: Hydraulic control unit
161: Hydraulic hose 170,171: Foot switch

Claims (6)

A jig device for fixing a pipe that supports the pipe in a fixed state,
A base block in which a recessed buried groove is formed on the upper surface;
A worm gear rotatably provided in an embedded groove of the base block;
A cylinder body coupled to a worm gear and rotating like the worm gear while the piston rod is provided to be raised and lowered;
A lifting plate provided on the piston rod and moved in and out of the buried groove while being lifted together with the piston rod;
A jig device for fixing a pipe including a plurality of support blocks provided on a lifting plate to support and fix the pipe.
In claim 1,
A plurality of support blocks have a vertical surface formed on the side facing each other, an inclined surface is formed on the side opposite to the vertical surface, and at the boundary between the inclined surface and the vertical surface, the inclined surface and the vertical surface are gently connected to form a curved surface for supporting the pipe in contact with the pipe. jig device.
In claim 2,
A jig device for fixing a pipe in which a plurality of support blocks are provided so that their curved surface is positioned at the same height as the opening of the buried groove or is positioned lower than the opening of the buried groove when the lifting plate is lowered.
In claim 1,
The lifting plate has guide rails that protrude upward on both sides, and a slide groove is formed on the upper surface of the guide rail.
A jig device for fixing a pipe in which a plurality of support blocks are inserted into the slide grooves of the guide rail on both sides to form guide protrusions to guide the movement.
In claim 4,
A jig device for fixing a pipe in which a plurality of fixing holes for fixing the support blocks are formed on the lifting plate, and fixing protrusions that are coupled and fixed to the fixing holes by fixing pins are formed on the plurality of support blocks.
In claim 4,
The lifting plate is equipped with a pinion gear to be able to rotate, and the plurality of support blocks are equipped with rack gears that protrude in opposite directions with the pinion gear in between and engage symmetrically with the pinion gear, so that both support blocks move simultaneously. A jig device for fixing pipes is provided.

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