CN2069314U

CN2069314U - Dual-function metal elbow and pipe bending machine

Info

Publication number: CN2069314U
Application number: CN 90205305
Authority: CN
Inventors: 李毅东; 倪正义
Original assignee: OIL FIELD CONSTRUCTION ENGINEE
Current assignee: OIL FIELD CONSTRUCTION ENGINEE
Priority date: 1990-04-24
Filing date: 1990-04-24
Publication date: 1991-01-16

Abstract

A dual-function mechanical device for processing bending pipes and elbows can combine the existing bending pipe machine and an elbow machine into one body. Because a main machine of the device adopts a steel structure, and the main machine of the device uses an H-shaped steel as a skeleton. The device overcomes a disadvantage in the prior art because the structure of the main machine is unreasonable. The utility model comprises a hydraulic oil cylinder, a heating ring, a core head, a pushing rod, a baffle plate, etc. When the bending pipe is pushed, only using only by using the pushing rod, a clamp head, etc., can implement automatic processing. When the bending pipe is pushed, the core head is required to change only. A locking plate can also implement automatic processing the elbow. The utility model adopts the technology to manufacture bending pipes and elbows. The utility model can cause products to be free from damage, no spalling wheels and creases. Sands are not filled in the pipe. In addition, because the machine uses a differential oil cylinder, the utility model has the advantage of fast return trace speed. The utility model shortens work period. The utility model can be widely used for processing and manufacturing in the elbow and the bending pipe of metal pipelines.

Description

Difunctional metal bends bending machine

The utility model belongs to a kind of device of metallic conduit processing equipment, particularly a kind of mechanical device that is used for processing metal bend pipe and elbow.

Because oil-field thick-oil and high a large amount of exploitations of coagulating oil, for reducing viscous crude, the high transporting resistance that coagulates oil, correspondingly the turning site of gathering line has been proposed to use the requirement of long-sweep ell, manufacturing with bending machine and elbow machined of this larger radius of curvature finished, annual oil field pipeline installation and shaft building station need relatively large elbow and bend pipe just can meet the needs of production, because existing technology is produced the machinery of bend pipe and elbow and is failed to be one with both are organically molten, give full play to utilization rate of equipment and installations, do not reach the dual-use purpose, so yield poorly, waste substantial contribution again, now another shortcoming of technical equipment is that manufacture process need be given perfusion sand in the lengths of steel pipes in addition, and very inconvenient, product easily bubbles, fold makes with low quality.

The purpose of this utility model is a kind of difunctional elbow of promptly producing under the situation that does not change primary structure that designs in order to overcome above-mentioned shortcoming, but the device of pushing bend pipe dual-use again.

Its implementation is:

When manufacturing bend pipe:

At first steel pipe is tested, again the steel pipe head end is fixed on above the push rod 12, terminal make it with chuck 13 that fixing (chuck is the pivoted arm that can regulate radius of curvature in fact, can can regulate arbitrarily according to the radius pivoted arm of bend pipe), need turn round the position with heating collar 6 heating at steel pipe then, when the heating-up temperature of the minister of authorities degree (about 20 millimeter) reaches 850 ℃-980 ℃, with the power of hydraulic jack 1 pushing plate 3 is pushed ahead then, make push rod 12 displacement forward, because steel pipe is under thrust, steel pipe Yin Jiawen is softened again, just can make steel pipe bend to bend pipe in fixing radius.

When manufacturing elbow:

Basic principle is ditto described, that is: lengths of steel pipes is tested, it is enclosed within the outside (curvature of the crooked position of this core print can be selected) of core print 8, again core print is fixed with clamp 2 then, during work, as long as pushing plate 3 is promoted by the power of hydraulic jack 1, just can pass the lengths of steel pipes of string on core print forward, when lengths of steel pipes was displaced to the core print afterbody, heating collar 6 made the softening elbow that bends to of steel pipe to steel pipe energising heating.

Because the utility model adopts steel construction, is skeleton with the I-steel, but can changing push-making angle fitting under the main structure situation of existing technology again, but pushing bend pipe again, realize dual-use, can save great amount of investment, but hydraulic jack has also adopted mechanical connection and synchronous operation in addition; Also to have frock simple for clamp of this device and core print in addition, uses processing ease, changes characteristics easily, therefore, when push-making angle fitting, as long as change core print and fix core print is terminal, do not need to add sand and just can bend in pipe, realized civilized construction.

The utility model is provided by following examples:

Knot and accompanying drawing are described further this device below.

Accompanying drawing 1: difunctional metal bends bending machine schematic diagram.

Accompanying drawing 2: the core print schematic diagram in the difunctional metal bends bending machine.

It is by hydraulic jack 1, clamp 2, and pushing plate 3, directive wheel 4, lengths of steel pipes 5, heating collar 6, core print 8, leading screw 9, heating collar aperture 10, plate washer 11, push rod 12, chuck 13, fixed axis 14 parts such as grade are formed.

It is skeleton with the I-steel that the main frame of this device adopts steel construction, its power section is two oil hydraulic cylinders, and the piston rod of oil hydraulic cylinder is the mechanical synchronization operation, takes (not drawing among the figure) and the mode that pushing plate 3 is hinged knot to connect, four guiding wheels 4 are arranged on the pushing plate, can on rail, move forward and backward.

During push-making angle fitting:

With the outer position of lengths of steel pipes 5 strings at core print 8, core print is the solid of an end shape semicircular in shape, be fixed on above the clamp 2 that has circular groove during (seeing accompanying drawing 2) work, core print and pushing plate 3 are connect, there is a plate washer 11 front of pushing plate 3, this plate washer is made up of the steel plate of two semi-circular shapes, can limit the displacement of blank lengths of steel pipes, in the outside of steel pipe is that the core print tail end has an electric current of intermediate frequency heating collar 6, it is by rectangle copper pipe that 20 * 10 * 2 (millimeters) are made, directly the transformer with the outside is connected, and will pass to recirculated water in the work in the copper pipe of heating collar and cool off.

During the pushing bend pipe:

Still adopting oil hydraulic cylinder is power, and it is the small sircle hole of 30-40 centimetre that a diameter is arranged above the pushing plate 3, and push rod 12 is inserted wherein, is fixed with nut again, when carrying out the bend pipe operation, as long as steel pipe 5 is penetrated above the push rod 12, makes it to kiss to connect to get final product.With chuck 13 the steel pipe end is given fix in position then, and promptly decide crooked position at steel pipe and heat with intermediate frequency power supply heating collar 6, because steel pipe passes through leading screw 9 at the thrust lower chuck, (it is the pivoted arm that can regulate the steel pipe radius of curvature), just can rotate along fixed axis 14, promote steel pipe and make it to bend to bend pipe, directive wheel 4 is made up of four spill wheels, its effect is to be used for supporting processed steel pipe to move on the device machine, it can be changed according to the different diameter of steel pipe, and the steel pipe blank is directly coincide through directive wheel and push rod.

Claims

1, a kind of mechanical device that can be used for processing bend pipe and elbow is by hydraulic jack 1, clamp 2, and pushing plate 3, directive wheel 4, intermediate frequency power supply heating collar 6, plate washer 11 is formed, and it is characterized in that:

A, this device are fixed a core print 8 above the described clamp when the processing elbow, have processed lengths of steel pipes 5, lengths of steel pipes outside that an intermediate frequency power supply heating collar is arranged at the outside string of core print.

When B, this device processing bend pipe, a diameter is arranged above the described pushing plate 3 is the small sircle hole of 30-40 centimetre and have a push rod 12 to insert wherein, fixed by nut, push rod is outside to be connect with steel pipe 5 kisses, its other end gives fix in position with chuck 15, and the crooked position promptly fixed at steel pipe is heated to 850 ℃-980 ℃ with intermediate frequency power supply heating collar 6.

2, device according to claim 1 is characterized in that core print 8 is solids that an end shape is half garden shape.

3, device according to claim 1 is characterized in that chuck 13, is one and regulates with leading screw 9 that the pivoted arm of steel pipe radius of curvature also can be along fixed axis 14 tumblers.

4, device according to claim 1, the material that it is characterized in that plate washer 11 are two semicircular ring that medium carbon steel is manufactured.