WO2022110254A1

WO2022110254A1 - Correction device for titanium pipe walls

Info

Publication number: WO2022110254A1
Application number: PCT/CN2020/133011
Authority: WO
Inventors: 王昱丰
Original assignee: 常熟市欧迪管业有限公司
Priority date: 2020-11-30
Filing date: 2020-12-01
Publication date: 2022-06-02
Also published as: CN112605178A; CN112605178B

Abstract

A correction device for titanium pipe walls, which relates to the technical field of correction devices. The device comprises a housing (1), an inner wall of the housing (1) is cooperatively and rotatably connected to a rotary disc (2), projection blocks (3) are welded to the inner wall of the rotary disc (2), a cross bar (4) is cooperatively and slidably connected to the inner wall of the rotary disc (2), extension blocks (7) are welded to the surface of the cross bar (4), a moving block (6) is cooperatively and slidably connected to the surface of the cross bar (4), the inner wall of the moving block (6) is cooperatively and slidably connected to inclined surfaces (8), a fixing block (10) is welded to the surface of the moving block (6), and fasteners (12) are cooperatively and slidably connected to the surface of the fixing block (10). By means of the cross bar (4), correction to all inner walls of a pipe can be made from the outside, thus greatly increasing the overall usage efficiency, and the grinding and correction of pipes of different diameters are achieved by means of mutual cooperation among the inclined surfaces (8) and the extension blocks (7); in addition, by means of the mutual cooperation between a pipe wall frame (18) and telescopic rods (15), workers can conveniently perform work from the outside, thus reducing labor consumption.

Description

[Title of invention made by ISA pursuant to Rule 37.2] A device for correcting the wall of a titanium tube

technical field

The invention relates to the technical field of correction devices, in particular to a correction device for titanium tube wall.

Background technique

The titanium tube is light in weight, high in strength and superior in mechanical properties. It is widely used in heat exchange equipment, such as shell and tube heat exchangers, coil heat exchangers, serpentine heat exchangers, condensers, evaporators and conveying pipes, etc. Many nuclear power industries use titanium tubes as standard tubes for their units. There are many defects in removing inner surface defects, such as inward folds, features: straight or spiral, semi-spiral zigzag defects on the inner surface of the titanium tube, warped skin, features: the inner surface of the titanium tube presents straight lines or intermittent nails Small raised skin. It mostly appears at the head of the capillary, and it is easy to peel off, etc., so the inner wall needs to be polished and corrected.

Patent CN207325657U discloses a titanium tube wall correction device, the invention discloses a titanium tube wall correction device, a "T"-shaped guide rail is arranged on the table, the length of the "T"-shaped guide rail is half the length of the table, and the "T"-shaped The guide rail is clamped with a slider with a suitable structure, the upper end of the slider is provided with a handle, the lower end of the slider is located on both sides of the "T"-shaped guide rail with two rollers, and the side of the slider located in the middle of the table is provided with a cylinder One end of the straightening shaft is detachably connected with the slider, the other end of the straightening shaft adopts a tapered structure, a first clamping block is arranged on the table, and the upper end surface of the first clamping block is arranged in the same direction as the "T"-shaped guide rail The semicircular first groove is provided on the first clamping block, a second clamping block is provided on the first clamping block, a semicircular second groove is provided on the lower end surface of the second clamping block, and the other side of the second clamping block is provided with a semicircular second groove. A handle is provided, a hook is provided on the side of the first clamping block corresponding to the handle, and a blocking ring is provided on the inner wall of one end of the first groove and the second groove on the opposite side of the "T"-shaped guide rail.

The shortcomings of the above-mentioned titanium tube wall correction device: 1. When the above-mentioned titanium tube wall correction device is used, the correction of the inner wall of the entire pipeline cannot be performed well, which greatly reduces the efficiency of use; 2. When using the above-mentioned titanium pipe wall correction device, the pipe cannot be fixed well, which greatly increases the manpower required for correction and greatly increases the cost of correction. To this end, we propose a tube wall correction device for titanium tubes.

SUMMARY OF THE INVENTION

The invention provides a pipe wall correction device for titanium pipes, which aims to allow the entire device to correct all the inner walls of the pipe externally through the long cross bar, which greatly increases the overall use efficiency, and through the mutual interaction between the inclined plane and the extension block The cooperation realizes the grinding and correction of pipes of different diameters. Through the mutual cooperation of the pipe wall frame and the telescopic rod, the workers can easily work in the outside world and reduce the consumption of manpower.

The specific technical scheme provided by the present invention is as follows:

The present invention provides a device for calibrating a titanium tube wall, comprising a casing, a turntable is rotatably connected to the inner wall of the casing, a protruding block is welded on the inner wall of the turntable, and a cross bar is slidably connected to the inner wall of the turntable. The surface of the cross bar is welded with an extension block, the surface of the cross bar is slidably connected with a moving block, the inner wall of the moving block is slidably connected with a slope, the surface of the moving block is welded with a fixed block, and the surface of the fixed block is slidably connected with a Buckle, a motor is installed on the surface of the casing, a telescopic rod is welded on the surface of the casing, and there are four telescopic rods, a vertical rod is welded on the surface of the telescopic rod, a pipe ledge is welded on the surface of the casing, and the pipe ledge has Four, the surface of the housing is rotatably connected with threaded rods and there are four threaded rods, the surface of the threaded rods is welded with a limit block, a slide rail is welded on one side of the surface of the housing, and the inner wall of the slide rail is slidably connected with In the plug-in block, a small threaded rod is threadedly connected to one side of the surface of the pipe wall bracket, and a switch is installed on the surface of the casing.

Optionally, the surface of the turntable is in a tooth pattern, and the power output end of the motor is connected to the turntable through gears.

Optionally, a groove is formed on the surface of the cross bar, and the groove and the protruding block are connected to each other.

Optionally, the surface of the cross bar is provided with a slot, and the slot and the clip are connected to each other.

Optionally, a fixing ring is slidably connected to the inner wall of the fixing block.

Optionally, there are four inclined planes, and the surfaces of the extension block and the inclined plane are smooth and flat.

Optionally, a fixing groove is fixedly connected to the inclined surface.

Optionally, a large turntable is installed on the surface of the vertical rod, and the diameter of the large turntable is larger than the diameter of the horizontal rod.

Optionally, the surface of the small threaded rod is rotatably connected with a fixing piece, and the surface of the fixing piece is rough and corrugated.

Optionally, the input end of the switching power supply is electrically connected to an external power supply through a wire, and the output end of the switching power supply is electrically connected to the input end of the motor power supply through a wire.

The beneficial effects of the present invention are as follows:

The embodiment of the present invention provides a tube wall correction device for titanium tube:

1. In the production of titanium tubes, the inner diameter is often manufactured according to demand, which puts forward high requirements for the corrector to adapt to various diameters. When using the above-mentioned correction device for titanium tube wall When the inner wall of the housing is rotatably connected to a turntable, the inner wall of the turntable is welded with a protruding block, the inner wall of the turntable is slidably connected with a crossbar, the surface of the crossbar is welded with an extension block, the surface of the crossbar is slidably connected with a moving block, and the inner wall of the moving block is slidable. There is an inclined plane connected, a fixed block is welded on the surface of the moving block, the surface of the fixed block is slidably connected with a buckle, a motor is installed on the surface of the shell, the surface of the turntable is toothed, and the power output end of the motor is connected with the turntable through gears. The groove, the groove and the protruding block are connected with each other, the surface of the cross bar is provided with a card groove, the card groove and the buckle are connected with each other, the inner wall of the fixed block is slidingly connected with a fixed ring, there are four inclined surfaces, and the extension block and the inclined surface are all connected to each other. It is smooth and flat, and the inclined surface is fixedly connected with a fixing groove, so when adjusting the diameter, slide the fixing ring from the surface of the buckle to the inner wall of the fixing block to release the restriction on the buckle, and then slide the buckle to release it from the groove. To remove the moving block, when the moving block is pulled forward, the inclined plane will be lifted up under the action of the inclined plane of the extending block, thus increasing the area of an unclosed circle formed by the four inclined planes, so that when the polishing sheet is put on the fixed Into the slot, and insert the buckle into the corresponding slot, and re-slip the fixing ring to let it fit on the surface of the buckle to prevent it from disengaging, and the expansion can be achieved, and the motor and the turntable are connected by gears, which will greatly reduce the speed. It reduces the loss of power and makes the rotation more efficient, and the cross bar and the turntable are connected by protruding blocks and grooves, so that there is no loss of power transmitted to the cross bar, so that the fixed groove can be The grinding disc rotates quickly to increase the efficiency of its work.

2. Since the pipe itself is long and round, it will move when the inner wall is ground, so it needs to be fixed manually, and the depth of the pipe is long, many machines need to be calibrated multiple times to complete, The efficiency is very low. When using the above-mentioned correction device for titanium tube wall, because the surface of the shell is welded with telescopic rods and there are four telescopic rods, the surface of the telescopic rods is welded with vertical rods, the surface of the shell is welded with pipe ledges and the pipe There are four ledges, threaded rods are connected to the surface of the outer shell for rotation, and there are four threaded rods. The surface of the threaded rods is welded with a limit block, and one side of the shell surface is welded with a slide rail. A small threaded rod is connected with a thread on one side of the surface of the ledge, a large turntable is installed on the surface of the vertical rod, the diameter of the large turntable is larger than the diameter of the horizontal rod, and the surface of the small threaded rod is connected with a fixed piece and the surface of the fixed piece is rough and corrugated. Fix it before calibration, first pull out the plug-in block from the limit block, release the threaded rod, so by pulling the pipe wall bracket, adjust it to be the same as the diameter of the pipe, and the gap of the pipe wall bracket is stuck in the pipe. At the wall, by twisting the small threaded rod, the fixed piece is tightly attached to the pipe wall, and it is fixed. When the motor is started to drive the cross rod to rotate, there will be no problem of pipe deviation, and the problem of pipe deviation will not occur when the cross rod is rotated. The other side is against the large turntable on the vertical rod, so the rotation of the horizontal rod will not affect the vertical rod. When it needs to be pushed forward, the vertical rod can be pushed, so that the whole device can move forward slowly and will not be affected. Affect the speed of its rotation, so that a pipe can be polished and corrected at one time, which greatly increases the overall use efficiency. When you need to pull back, you only need to turn off the motor and stop the rotation with the horizontal bar Then you can pull it backwards.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of the overall structure of a device for calibrating a titanium tube wall according to an embodiment of the present invention;

2 is a schematic structural diagram of a turntable used for a titanium tube wall correction device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a tube wall bracket used for a titanium tube tube wall correction device according to an embodiment of the present invention.

In the figure: 1. Shell; 2. Turntable; 3. Protruding block; 4. Cross bar; 5. Groove; 6. Moving block; 7. Extension block; 8. Inclined surface; 9. Fixed groove; 10. Fixed block; 11, fixed ring; 12, buckle; 13, card slot; 14, motor; 15, telescopic rod; 16, vertical rod; 17, large turntable; 18, pipe wall bracket; 19, threaded rod; ; 21, slide rail; 22, plug-in block; 23, small threaded rod; 24, fixed piece; 25, switch.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A device for calibrating a titanium tube wall according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 3 .

Referring to FIGS. 1 to 3 , a device for calibrating a titanium tube wall provided by an embodiment of the present invention includes a casing 1 , and a turntable 2 is rotatably connected to the inner wall of the casing 1 , and the inner wall of the turntable 2 is welded with protrusions. Block 3, the inner wall of the turntable 2 is slidably connected with a cross bar 4, the surface of the cross bar 4 is welded with an extension block 7, the surface of the cross bar 4 is slidably connected with a moving block 6, and the inner wall of the moving block 6 cooperates with sliding The inclined surface 8 is connected, the surface of the moving block 6 is welded with a fixed block 10, the surface of the fixed block 10 is slidably connected with a buckle 12, a motor 14 is installed on the surface of the casing 1, and a telescopic rod is welded on the surface of the casing 1 15 and there are four telescopic rods 15, vertical rods 16 are welded on the surface of the telescopic rod 15, pipe wall brackets 18 are welded on the surface of the casing 1, and there are four pipe wall frames 18, and the surface of the casing 1 is rotatably connected with There are four threaded rods 19. The surface of the threaded rod 19 is welded with a limit block 20. The surface of the casing 1 is welded with a slide rail 21. The inner wall of the slide rail 21 is slidably connected with a plug-in block 22. , a small threaded rod 23 is threadedly connected to one side of the surface of the pipe wall bracket 18 , and a switch 25 is installed on the surface of the casing 1 .

For example, through the long cross bar 4, the whole device can correct all the inner walls of the pipeline externally, which greatly increases the overall use efficiency, and realizes the grinding and polishing of pipes of different diameters through the mutual cooperation of the inclined plane 8 and the extension block 7. Correction, through the mutual cooperation of the pipe wall frame 18 and the telescopic rod 15, the workers can easily work in the outside world, reducing the consumption of manpower.

Referring to FIG. 1 and FIG. 2 , the surface of the turntable 2 is toothed, and the power output end of the motor 14 is connected to the turntable 2 through gears.

Illustratively, the transmission loss rate of the motor 14 is greatly reduced by the toothed connection.

Referring to FIG. 2 , a groove 5 is formed on the surface of the cross bar 4 , and the groove 5 and the protruding block 3 are connected to each other.

For example, by connecting the groove 5 with the protruding block 3, the turntable 2 can well drive the cross bar 4 to rotate.

Referring to FIG. 1 , a card slot 13 is defined on the surface of the cross bar 4 , and the card slot 13 and the clip 12 are connected to each other.

For example, the buckle 12 is connected to the slot 13 to fix the moving block 6 .

Referring to FIG. 1 , a fixing ring 11 is slidably connected to the inner wall of the fixing block 10 .

Exemplarily, the buckle 12 is fixed and placed by the fixing ring 10 so as to be detached from the clamping slot 13 during rotation.

Referring to FIG. 1 , there are four inclined surfaces 8 , and the surfaces of the extension block 7 and the inclined surfaces 8 are smooth and flat.

Illustratively, the movement of the ramp 8 on the extension block 7 is facilitated.

Referring to FIG. 1 , a fixing groove 9 is fixedly connected to the surface of the inclined surface 8 .

For example, it is convenient to fix the polishing pad.

Referring to FIG. 1 , a large turntable 17 is installed on the surface of the vertical rod 16 , and the diameter of the large turntable 17 is larger than the diameter of the horizontal rod 4 .

For example, the large turntable 17 can completely isolate the contact between the horizontal bar 4 and the vertical bar 16 .

Referring to FIG. 3 , the surface of the small threaded rod 23 is rotatably connected with a fixing piece 24 , and the surface of the fixing piece 24 is rough and corrugated.

Exemplarily, the fixing piece 24 is directly connected to the pipe wall, and the surface is rough and corrugated to increase the friction with the pipe wall.

Referring to FIG. 1 , the power input end of the switch 25 is electrically connected to an external power supply through a wire, and the power output end of the switch 25 is electrically connected to the power input end of the motor 14 through a wire.

By way of example, the motor 14 is controlled by the switch 25 .

When in use, connect the external power supply, because the surface of the casing 1 is welded with telescopic rods 15 and there are four telescopic rods 15, the surface of the telescopic rods 15 is welded with vertical rods 16, and the surface of the casing 1 is welded with a pipe wall frame 18 and the pipe wall frame 18 has Four, threaded rods 19 are rotatably connected to the surface of the casing 1 and there are four threaded rods 19. The surface of the threaded rods 19 is welded with a limit block 20, and the surface of the casing 1 is welded with a slide rail 21, and the inner wall of the slide rail 21 is slidably connected with Plug-in block 22, a small threaded rod 23 is threadedly connected to the surface of the pipe wall bracket 18, a large turntable 17 is installed on the surface of the vertical rod 16, the diameter of the large turntable 17 is larger than the diameter of the cross bar 4, and the surface of the small threaded rod 23 is rotated and connected with The fixing piece 24 and the surface of the fixing piece 24 is rough and corrugated, and it is fixed before the calibration. First, the plug-in block 22 is pulled out from the limit block 20, and the threaded rod 19 is released. In this way, by pulling the pipe wall bracket 18 , adjust it so that it is the same as the diameter of the pipe, put the gap of the pipe wall bracket 18 on the pipe wall, and screw the small threaded rod 23 to make the fixing piece 24 tightly fit on the pipe wall, and fix it. The inner wall of the housing 1 is rotatably connected with a turntable 2, the inner wall of the turntable 2 is welded with a protruding block 3, the inner wall of the turntable 2 is slidably connected with a crossbar 4, the surface of the crossbar 4 is welded with an extension block 7, and the surface of the crossbar 4 is slidably connected with a moving block 6. The inner wall of the moving block 6 is slidably connected with a slope 8, the surface of the moving block 6 is welded with a fixed block 10, the surface of the fixed block 10 is slidably connected with a buckle 12, the surface of the housing 1 is mounted with a motor 14, and the surface of the turntable 2 is toothed. , the power output end of the motor 14 is connected to the turntable 2 through gears, the surface of the cross bar 4 is provided with a groove 5, the groove 5 is connected with the protruding block 3, and the surface of the cross bar 4 is provided with a card slot 13, the card slot 13 and the buckle 12 are connected with each other, the inner wall of the fixed block 10 is slidably connected with a fixed ring 11, there are four inclined surfaces 8, the surfaces of the extension block 7 and the inclined surface 8 are smooth and flat, and the surface of the inclined surface 8 is fixedly connected with a fixed groove 9, so that when adjusting the diameter, Slide the fixing ring 11 from the surface of the buckle 12 to the inner wall of the fixing block 10 to release the restriction on the buckle 12, so that the buckle 12 is slid away from the slot 13, and the moving block 6 is released, and the moving block 6 is moved forward. When pulling, the inclined surface 8 will be lifted up under the action of the inclined surface of the extension block 7, thus increasing the area of an unclosed circle formed by the four inclined surfaces 8, so that when the polishing sheet is put into the fixing groove 9, and the The clip 12 is inserted into the corresponding slot 13, and the fixing ring 11 is re-slid out to cover the surface of the clip 12 to prevent it from disengaging. The loss of power is reduced, the efficiency of rotation is faster, and the cross bar 4 and the turntable 2 are connected by the protruding block 3 and the groove 5, so that the power transmitted to the cross bar 4 is not lost, so The polishing plate on the fixed groove 9 can be rotated quickly, and its working efficiency can be increased. When the starter motor 14 drives the cross bar 4 to rotate, the problem of pipe deviation will not occur, and the other side of the cross bar 4 is The large turntable resting on the vertical rod 16 17, so the rotation of the horizontal bar 4 will not affect the vertical bar 16. When it needs to be advanced, the vertical bar 16 can be pushed, so that the whole device can move forward slowly without affecting the speed of its rotation. A pipe can be polished and corrected at one time, which greatly increases the overall use efficiency. When it needs to be pulled back, it is only necessary to turn off the motor 14 and stop the rotation of the cross bar 4. Pull back, so that the correction of the inner wall of the pipe is achieved.

It should be noted that the present invention is a device for calibrating the tube wall of a titanium tube, including 1. a casing; 2. a turntable; 3. a protruding block; 4. a cross bar; 5. a groove; 6. a moving block; 7. Extension block; 8, inclined plane; 9, fixed slot; 10, fixed block; 11, fixed ring; 12, buckle; 13, card slot; 14, motor; 15, telescopic rod; 16, vertical rod; 17, large turntable ; 18, pipe wall bracket; 19, threaded rod; 20, limit block; 21, slide rail; 22, plug-in block; 23, small threaded rod; Or components known to those skilled in the art, whose structures and principles are known to those skilled in the art through technical manuals or through routine experimental methods.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, provided that these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

A device for calibrating a titanium tube wall, comprising a casing (1), characterized in that a turntable (2) is rotatably connected to the inner wall of the casing (1), and a protruding block (3) is welded on the inner wall of the turntable (2). ), the inner wall of the turntable (2) is slidably connected with a crossbar (4), the surface of the crossbar (4) is welded with an extension block (7), and the surface of the crossbar (4) is slidably connected with a moving block ( 6), the inner wall of the moving block (6) is slidably connected with a slope (8), the surface of the moving block (6) is welded with a fixing block (10), and the surface of the fixing block (10) is slidably connected with a buckle (12), a motor (14) is mounted on the surface of the casing (1), telescopic rods (15) are welded on the surface of the casing (1), and there are four telescopic rods (15), and the surface of the telescopic rod (15) A vertical rod (16) is welded, the surface of the casing (1) is welded with pipe ledges (18) and there are four pipe ledges (18), and a threaded rod (19) is connected to the surface of the casing (1) for rotation. And there are four threaded rods (19), a limit block (20) is welded on the surface of the threaded rod (19), and a slide rail (21) is welded on one side of the surface of the casing (1), and the slide rail (21) A plug-in block (22) is slidably connected to the inner wall, a small threaded rod (23) is threadedly connected to one side of the surface of the pipe wall bracket (18), and a switch (25) is installed on the surface of the casing (1).
A device for calibrating a titanium tube wall according to claim 1, characterized in that the surface of the turntable (2) is in a tooth pattern, and the power output end of the motor (14) passes through the gear and the turntable (2) connected.
A device for calibrating a titanium tube wall according to claim 1, characterized in that a groove (5) is formed on the surface of the cross bar (4), and the groove (5) is connected to the protruding block (3). ) are connected to each other.
A device for calibrating a titanium tube wall according to claim 1, characterized in that a clamping groove (13) is formed on the surface of the cross bar (4), and the clamping groove (13) is connected to the buckle (12). ) are connected to each other.
A device for calibrating a titanium tube wall according to claim 1, wherein a fixing ring (11) is slidably connected to the inner wall of the fixing block (10).
A device for calibrating a titanium tube wall according to claim 1, characterized in that there are four inclined surfaces (8), and the surfaces of the extension block (7) and the inclined surface (8) are smooth and flat.
A device for calibrating a titanium tube wall according to claim 1, characterized in that a fixing groove (9) is fixedly connected to the surface of the inclined surface (8).
A device for calibrating a titanium tube wall according to claim 1, characterized in that a large turntable (17) is installed on the surface of the vertical rod (16), and the large turntable (17) has a diameter larger than that of the horizontal rod ( 4) Diameter.
A device for calibrating a titanium pipe wall according to claim 1, characterized in that a fixing piece (24) is connected to the surface of the small threaded rod (23) for rotation, and the surface of the fixing piece (24) is rough and corrugated shape.
A device for calibrating a titanium tube wall according to claim 1, characterized in that the power input end of the switch (25) is electrically connected to an external power supply through a wire, and the power output end of the switch (25) is electrically connected through a wire. The wire is electrically connected with the power input end of the motor (14).