KR100853255B1 - Device for shaping roundness and jointing steel pipes - Google Patents

Abstract

Steel pipe shaping device according to the present invention is made of a circular body that can be opened and closed to hold the steel pipe is formed of two forming machines to be formed and connected to each other after gripping both steel pipes, the upper part of the forming machine, A control device for controlling and driving a switchgear for gripping, a locking device for locking each opening part after gripping, a shaping device for shaping the held steel pipe, and a traction device for interconnecting both steel pipes; By installing the hydraulic equipment, the peripheral structure of the molding machine is simpler than when each equipment is configured separately from the molding machine, thereby improving the construction efficiency as well as the utilization efficiency of the equipment.

Steel Pipe, Orthopedic, Lock, Control, Hydraulic, Solenoid Valve

Description

Device for shaping roundness and jointing steel pipes}

1 is a perspective view showing a state using the orthopedic joint of the prior invention mounted on the backhoe,

2 is a front view showing a state of gripping the steel pipe using the orthopedic joint of the prior invention,

3 is a front view showing a state in which a steel pipe is gripped by using the orthopedic joint of the prior invention,

Figure 4 is a side view showing a state before towing both steel pipes using the orthopedic joint of the prior invention,

Figure 5 is a side view showing a state after towing both steel pipes using the orthopedic joint of the prior invention,

Figure 6 is a perspective view of a steel pipe shaping device according to the present invention,

7 is a front view showing a steel pipe shaping device according to the present invention,

Figure 8 is a side view showing a state before towing both steel pipes using a steel pipe shaping device according to the present invention,

Figure 9 is a side view showing a state after towing both steel pipes using the steel pipe shaping device according to the present invention,

10a and 10b is a detailed view of the locking device provided in the steel pipe shaping device according to the invention,

Figure 11 is a schematic perspective view showing a separation structure of the steel pipe shaping device according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100A, 100B: Molding Machine 125: Molding Device

130: towing device 135: switchgear

140: connecting device 150: locking device

200: control equipment 201: main control box

203: first sub control box 205: second sub control box

300: hydraulic equipment 301: hydraulic tank

303: hydraulic pump 305: solenoid valve assembly

The present invention relates to a rigid ring joint device for forming a steel pipe and then interconnecting, in particular, the control box necessary for driving the device on the upper part of the molding machine, as well as all the hydraulic equipment to be mounted and divided or transported when necessary, so as to be transported or stored. It relates to a steel pipe orthopedic device.

Applicant automatically performs piping and welding during the construction of large steel pipes in all field conditions such as general soil section or temporary facility section, ensuring construction workability, economic efficiency, safety and quality of welded joints to maximize the durability of the piping system. Development continues.

Accordingly, the present applicant, based on the results of research and development, "method of construction of steel pipe" (Patent No. 10-0440555), "formation device of steel pipe" (Patent No. 10-0440185), "steel pipe forming joint device" (patent No. 10-0598551) has been patented.

1 to 5 is a view disclosed in Patent No. 10-0598551 of the above patent invention, with reference to this briefly about the steel pipe forming joint device as follows.

Steel pipe orthopedic device of the invention (hereinafter referred to as 'steel pipe orthopedic device') is installed at the end of the working arm (R) of the backhoe (BH) as shown in Figure 1 and connected to the hydraulic line of the backhoe (BH) It is controlled to be, and is a device for forming, inserting and welding the end of the deformed steel pipe (P) to a predetermined roundness in the process of production of the steel pipe (P) or transport or unloading to the construction site.

The steel pipe orthopedic fitting device is shown in Figures 1 to 5 and the connection body 40 is provided so as to be connected to the end of the working arm (R) of the crane or backhoe (BH) and the steel pipe (2) Two pairs are formed so as to form P) and are slid in concentric lines, and the arc body 11 divided into a plurality is connected to open and close around the hinge 13 to form a circle when closed. A plurality of pressurizing cylinders 16 radially installed on the arc body 11 and a molding machine 10 provided with a locking device 15, and a retractor connected to move the molding machine 10 relatively on a concentric line. 20).

Here, the arc body 11 of the shaper 10 is connected to the upper semi-circular body (11a) divided into two up and down, and through the hinges 13 at both ends of the upper semi-circular body (11a) and the lower semi-circular body to the left and right It is composed of a quarter-shaped circular body (11b), the opening and closing cylinder (11b) in the connection portion of the upper semi-circular body (11a) and the quarter-circular body (11b) to open and close the quarter-circular body (11b) with respect to the upper semi-circular body (11a) 14) is connected and installed.

However, the steel pipe shaping joint device of the invention of the invention configured as described above, the control device and the hydraulic drive device for driving the system is configured separately, because it is connected to the forming machine 10, the surrounding structure is complicated at the time of steel pipe construction In addition, there is a problem in that the use efficiency of equipment is also poor.

In addition, the patented invention has a problem that is not easy to transport as well as storage because the shaper 10 is formed in a fairly large circular structure as a whole large volume.

The present invention has been made to solve the above problems, and equipped with both the control device and the hydraulic drive and control device necessary for driving the equipment on the upper part of the molding machine, and configured to divide the molding machine when necessary, the utilization efficiency of the molding machine It is an object of the present invention to provide a steel pipe orthopedic device that can be made high, easy to store and transport.

Steel pipe orthopedic joint according to the present invention for realizing the above object, consisting of a circular body that can be opened and closed to hold the steel pipe, steel pipe orthopedic joint consisting of two forming machines configured to form and interconnect after holding both steel pipes An apparatus, comprising: an opening and closing device for gripping steel pipes, a locking device for locking each opening and closing part of the forming machine after gripping, an orthopedic device for shaping the held steel pipes, and interconnecting both steel pipes at an upper portion of the forming machine. It is characterized in that the control equipment and hydraulic equipment for controlling and driving the towing devices for.

Here, the control equipment may include a main control box receiving power and driving signals from the outside, and a plurality of first and second sub control boxes outputting control signals to the hydraulic equipment installed in the two molding machines according to the signals of the main control box. It is preferable that it consists of.

The hydraulic equipment is composed of a hydraulic tank, a hydraulic pump, a sole valve assembly for controlling the hydraulic pressure provided by the cylinders of the respective devices, it is preferable to be installed in any one forming machine in the space between the two forming machines.

Each forming machine is composed of a semi-circular upper body and both quarter-shaped bodies which are coupled to both sides of the upper body to open and close, and are assembled together, and the upper body of the upper body is in accordance with a need for transfer, etc. It is desirable to be configured to enable division / assembly.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

6 is a perspective view showing a steel pipe shaping device according to the present invention, Figure 7 is a front view showing a steel pipe shaping device according to the present invention, Figures 8 and 9 using a steel pipe shaping device according to the present invention The side views showing the state before and after the towing of both steel pipes.

As shown, the steel pipe shaping device according to the present invention, the two forming machines (100A, 100B) consisting of a circular body (111, 112) as shown in Figure 8 so as to form a steel pipe (P), respectively, arranged side by side below It is configured and connected in one set by the traction device 130 and the connection device 140 to be described.

Circular bodies (111, 112) of each of the forming machine (100A) (100B) is the upper body 113 of the semi-circular structure, as shown in Figure 7, and both quarters are coupled to both sides of the upper body 113 is opened and closed The mold bodies 114 and 115 are assembled to each other.

That is, the upper body 113 is divided into a size of 1/2 in a circular structure, the quarter-shaped body (114, 115) is divided into a size of 1/4, can be assembled together to grip the circumference of the steel pipe (P). To form a circular structure.

Both quarter-shaped bodies 114 and 115 are connected to the upper body 113 through the rotation shaft 137, and when the closing machine (100A, 100B) is closed, the whole rotates to form a circle, the steel pipe (P) It is configured to open on both sides when opened, such as when inserted around the perimeter.

The control device 200 and the hydraulic equipment 300 are largely mounted on the upper parts of the two forming machines 100A and 100B configured as described above, and the elements constituting the two devices are the upper parts of the two forming machines 100A and 100B. It is arranged to be distributed properly.

That is, as shown in FIG. 6, the front molding machine 100A (hereinafter referred to as 'first molding machine') includes a second sub control box 205, a hydraulic tank 301, a hydraulic pump 303, and a solenoid valve from the left side. The aggregate 305 is provided.

A main control box 201 and a first sub control box 203 are installed from the left side in the rear shaper 100B (hereinafter referred to as a 'second shaper').

Here, the hydraulic tank 301, the hydraulic pump 303, and the sole valve assembly 305 are fixed to the rear of the first molder 100A, which is a space between the second molder 100B, and the second sub The control box 205 is installed in front of the first molding machine 100A.

The main control box 201 and the first sub control box 203 are attached to the rear of the second shaper 100B in the drawing.

As a result, the control equipment 200 such as the main control box 201, the first sub control box 203, the second control box, and the like are installed at positions outside the first forming machine 100A and the second forming machine 100B. The hydraulic equipment 300, such as the hydraulic tank 301, the hydraulic pump 303, the sole valve assembly 305, and the like, may be installed in the space between the first molder 100A and the second molder 100B. It is installed on the (100B) side.

The reason for distributing the control equipment 200 and the hydraulic equipment 300 in this way may be to divide the loads of the two molding machines 100A and 100B evenly, but in particular, the two molding machines 100A and 100B are described below. Since the mutual distance is narrowed or separated by the traction device 130 to be described, a small volume component is disposed in the space between the two molding machines 100A, 100B, and the other configuration is disposed in the outer space. .

The control equipment 200 and the hydraulic equipment 300 is not limited to the arrangement configuration as described above, it can be configured by changing the position in the upper portion of the two forming machines (100A) (100B) as necessary to configure Of course.

Meanwhile, the role of each component of the control device 200 and the hydraulic device 300 will be described below.

First, the control device 200 receives a driving signal from a wireless driving box or a wired driving box and outputs a control signal to each solenoid valve of the hydraulic pump 303 and the solenoid valve assembly 305 of the hydraulic equipment 300. to be.

The main control box 201 is configured with a receiving circuit and an output circuit including a PCB control board to control the entire equipment by receiving an external driving signal.

The first sub control box 203 and the second sub control box 205 may operate the opening and closing device 135, the locking device 150, the shaping device 125, the traction device 130, and the like, which will be described later. It is configured to output the respective control signal to the hydraulic pump 303 and the sole valve assembly 305 to be able to.

Here, the hydraulic pump 303 may be configured to directly control the main control box 201, and the opening and closing device 135, the locking device 150, the shaping device 125 are both forming machines (100A) (100B) Are respectively provided in the first and second sub-control boxes 203 and 205 so as to control them, and the means for controlling the traction device 130 are the first and second. It is provided in either one of the sub control box 203 (205).

 Next, the hydraulic equipment 300 is configured to operate the hydraulic cylinder provided in the opening and closing device 135, the locking device 150, the shaping device 125, the towing device 130, the hydraulic tank 301 Hydraulic oil is stored in the hydraulic pump 303 provides hydraulic oil stored in the hydraulic tank 301 to each hydraulic cylinder, and the solenoid valve assembly 305 is the opening and closing device 135 in the hydraulic pump 303. ), A plurality of solenoids provided on the flow path to the hydraulic cylinder such as the locking device 150, the shaping device 125, the traction device 130, and the like to control the hydraulic pressure according to the control signals of the first and second sub control boxes. It consists of a valve.

On the other hand, the control device 200 and the hydraulic equipment 300 having the function as described above, disposed on the upper part of the molding machine is supported by the various support 350 installed on the upper part of the forming machine (100A) (100B) in a substantially horizontal direction Installed and configured.

For reference, a wire or hydraulic line for power and signal transmission configured to interconnect the control equipment 200 and the hydraulic equipment 300 is omitted.

Next, as described above, the control device 200 and the hydraulic equipment 300 are mounted and configured to the forming machine 100A, 100B to adjust the roundness of the steel pipes inside the circular bodies 111 and 112, and the circumference of the steel pipe The plurality of shaping | molding apparatuses 125 for stably fixing the apparatus of this invention are comprised by this.

The shaping device 125 has a plurality of radially installed in each of the circular body (111, 112) at regular intervals, the cylindrical cylinder 126 which is operated by hydraulic pressure and the pad 127 is attached to the end of the cylinder is a steel pipe ( It is comprised in close contact with the outer surface of P). On the other hand, the solenoid valve 128 to control the hydraulic pressure is directly attached to the side of the shaped cylinder 126 is configured.

Next, a traction device 130 is provided between the two circular bodies 111 and 112, which are respectively gripped by the two steel pipes P through both the molders 100A and 100B, as shown in FIG. 8 is a device for pulling and connecting one steel pipe so that both steel pipes P are connected to each other as shown in FIG. 8, and the traction cylinder 131 is operated to accurately press the steel pipe P to secure the source. It is composed. Of course, on both sides of the traction cylinder 131 is provided with a traction guide rod 132 connecting the two circular bodies (111, 112) to each other.

Next, when the upper body 113 and the connecting portion of the quarter-shaped body (114,115) is coupled to the circumference of the steel pipe (P), the hydraulic cylinder 136 to be gathered again in the open state the quarter-shaped body (114,115) There is provided an opening and closing device 135 is included.

Next, a connection device 140 is provided to connect a lifting device such as a crane or a backhoe to the upper portions of both the forming machines 100A and 100B.

The connecting device 140 is composed of a plurality of connecting links (142, 143) so as to be folded and unfolded in accordance with the distance adjustment of the two forming machines (100A, 100B) as in the traction operation, the both forming machines (100A, Is installed between the 100B, the connection ring 142, 143 consists of a configuration provided with a connecting ring 144 so that the external lifting device can be connected to the central portion.

Here, the plurality of connection links 142 and 143 are connected to the link brackets 141 fixed to both the forming machines 100A and 100B.

As described above, the connecting device 140 having the link structure is gripped by the two steel pipes P through both the molders 100A and 100B, respectively, using the traction device 130 as described above. As shown in Figure 9 is to be configured to be naturally folded in the process of pulling both the forming machine (100B) so that both steel pipes (P) are connected to each other.

Next, the mutually opposite ends of the both quarter-shaped body (114, 115), when coupled to the circumference to the steel pipe, the locking device 150 is configured to prevent the opening.

It is preferable that the locking device 150 is configured to be locked by hydraulic pressure. A configuration thereof will be described with reference to FIGS. 10A and 10B. Reference FIG. 10A and FIG. 10B are diagrams illustrating a schematic configuration, and of course, various modifications may be made according to design conditions, as a basic structure. In addition, only one structure is shown among both the shaping machines 100A and 100B, and both shaping machines are comprised similarly.

The locking device 150 is provided with both rods 153 of the locking cylinder 151 installed in the center with both locking portions 114a and 115a of the both quarter-shaped bodies 114 and 115 overlapping each other. It is configured to lock while penetrating the locking portions 114a and 115a, respectively.

That is, as shown in FIG. 10A, the non-locked state in which the two quarter-shaped bodies 114 and 115 are separated from both sides is a state in which the rod 153 of the locking cylinder 151 does not protrude. In this state, if the hydraulic pressure is provided to the locking cylinder 151 after the two locking parts 114a and 115a are mutually coupled as shown in FIG. 10B, the rod 153 protrudes to lock both the locking parts 114a and 115a. It is fitted through the holes 114b and 115b.

For reference, reference numeral 155 denotes a solenoid valve for regulating the hydraulic pressure provided to the lock cylinder 151.

As described above, the locking device 150 of the present invention is configured to lock while the locking rod 153 protrudes from the inside to both sides without a structure protruding separately from the outside of each forming machine 100A, 100B, so that the outer surface of the equipment is simple. In addition, the overall configuration is simple to minimize the jam when using the equipment, it has the advantage that the appearance can be beautiful.

On the other hand, Figure 11 is a schematic perspective view showing a separation structure of the steel pipe shaping joint according to the present invention.

The two forming machines (100A, 100B) are configured to divide the middle portion of the upper body 113 to enable a split assembly as shown in Fig. 11. This configuration is the whole equipment of the present invention is formed in a circular structure As it takes up a considerable volume, the whole equipment is divided into half at the time of transport or storage, and transported or stored, and when used, it is configured to be mutually assembled by a method such as bolt assembly.

Therefore, coupling portions 113a and 113b overlapping with each other are divided into two parts of the upper body 113, and the coupling portion uses fastening means such as a coupling bolt shaft 113c and a coupling nut 113d. Will be combined. Of course, when separating the loosening the coupling bolt shaft 113c and the coupling nut 113d.

And the quarter-shaped body (114, 115) is preferably stored or moved as it is connected to the divided upper body 113, respectively.

Steel pipe shaping device according to the present invention configured and acted as described above, because both the control equipment and hydraulic equipment necessary for driving each device is mounted on the upper two forming machines than each equipment is configured separately from the forming machine The peripheral structure of the molding machine is simplified, and thus there is an advantage that the construction efficiency as well as the utilization efficiency of the equipment are increased.

In addition, the present invention, because it is configured to divide the molding machine when necessary, there is an advantage that the use efficiency of the molding machine can be increased, and storage and transportation can be easily made.

Claims (4)

In the steel pipe shaping device consisting of two forming machines formed of a circular body that can be opened and closed to hold the steel pipe, and then formed and interconnected after holding both steel pipes, In the upper part of the molding machine, an opening and closing device for gripping the steel pipe, a locking device for locking the opening and closing portion of each forming machine after gripping, a shaping device for shaping the gripped steel pipe, and traction devices for interconnecting both steel pipes Steel pipe fittings, characterized in that the control equipment and hydraulic equipment for controlling and driving is installed. The method according to claim 1, The control equipment may include a main control box receiving power and driving signals from the outside, and a plurality of first and second sub control boxes outputting control signals to the hydraulic equipment installed in the two forming machines according to the signals of the main control box. Steel pipe orthopedic device, characterized in that configured. The method according to claim 1, The hydraulic equipment, A hydraulic tank in which hydraulic fluid is stored, A hydraulic pump for supplying the hydraulic oil stored in the hydraulic tank to each hydraulic cylinder provided in the opening / closing device, the locking device, the shaping device, and the traction device; Is composed of a sole valve assembly provided on the flow passage from the hydraulic pump to the respective hydraulic cylinder to control the hydraulic pressure, Steel pipe forming apparatus, characterized in that installed on any one side forming machine in the space between the two forming machines. The method according to any one of claims 1 to 3, Each of the forming machine is composed of a semi-circular upper body and both quarter-shaped body is coupled to both sides of the upper body to be opened and closed and assembled together, The upper body is an automatic welding device for the outer surface of a steel pipe, characterized in that the middle portion is configured to be divided / assembled as necessary, such as transfer.

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