CN220612815U - Butt welding centering device for large-diameter sleeve - Google Patents
Butt welding centering device for large-diameter sleeve Download PDFInfo
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- CN220612815U CN220612815U CN202322201566.8U CN202322201566U CN220612815U CN 220612815 U CN220612815 U CN 220612815U CN 202322201566 U CN202322201566 U CN 202322201566U CN 220612815 U CN220612815 U CN 220612815U
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- sleeve
- positioning
- bracket
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- butt welding
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- 238000003466 welding Methods 0.000 title claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
Abstract
The utility model discloses a large-diameter sleeve butt welding righting device, which comprises a plurality of positioning plates and at least one locking device; the positioning plates are sequentially hinged, the locking device is arranged between the first positioning plate and the second positioning plate, and a sleeve connecting seam is formed after the upper sleeve is connected with the two ends of the lower sleeve; the large-diameter sleeve is arranged on the outer walls of the upper sleeve and the lower sleeve in a surrounding mode, and a welding window is formed in the position, corresponding to the sleeve connecting seam, of the locating plate. When the positioning device is used, the positioning plates are connected in a hinged mode, the number of the positioning blocks can be increased or decreased according to the diameter of the sleeve, and the positioning device can be suitable for butt welding positioning of the sleeves with different diameters; the welding window is formed in the positioning plate, the sleeve can be welded at the welding window, the locking device is convenient to detach the positioning plate and adjust the tightness of fit between the positioning plate and the sleeve, and the sleeve displacement is prevented from occurring in the sleeve welding operation process.
Description
Technical Field
The utility model relates to the field of butt welding centralizing and positioning, in particular to a large-diameter sleeve butt welding centralizing device.
Background
Mine tailing filling holes are drilling engineering with high requirements on verticality of drilling holes and casings. The construction is to insert the outer sleeve of the protection wall and fill the inner sleeve. After adding a certain additive into the tailings, the tailings are conveyed into a roadway for filling through a filling inner sleeve. If the sleeve string in the lower hole has the conditions of bending, poor perpendicularity and the like, the friction between the filling mortar and the sleeve is serious, and the service life of the filling hole is greatly shortened.
Because the diameter of the sleeve is larger, the difficulty of machining threads at the two ends of the sleeve is high, and the cost is high, the sleeve is usually connected together in a welding mode on site. When the sleeve is put down, the sleeve is hung at the orifice by using the drilling machine, and the sleeve string has a bending phenomenon to a certain extent due to the problems of low butting efficiency, high labor intensity of workers, difficulty in ensuring butting concentricity and the like through manual butting positioning. Meanwhile, due to the fact that the drilling hole is bent to a certain extent, when the casing is put into operation, the casing string rubs and extrudes with the hole wall, so that the casing is deformed locally, the service life of the casing is influenced, and even the casing damage accident can occur.
Disclosure of Invention
The utility model aims to solve the problem of a large-diameter sleeve centering device capable of accurately positioning two sleeves in butt joint and guaranteeing concentricity of the welded sleeves.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a large-diameter sleeve butt welding righting device relates to an upper sleeve and a lower sleeve, and comprises a plurality of positioning plates and at least one locking device;
the positioning plates are sequentially hinged, the locking device is arranged between the first positioning plate and the second positioning plate, and a sleeve connecting seam is formed after the upper sleeve is connected with the two ends of the lower sleeve;
the large-diameter sleeve is arranged on the outer walls of the upper sleeve and the lower sleeve in a surrounding mode, and a welding window is formed in the position, corresponding to the sleeve connecting seam, of the locating plate.
Further, two adjacent positioning plates are hinged and connected through two hinges: the hinge comprises a first connecting frame fixed on one of the positioning plates, a second connecting frame fixed on the other positioning plate and a pin movably penetrating through the first connecting frame and the second connecting frame.
Further, the locking devices are arranged at the upper end and the lower end of the locating plate symmetrically.
Further, the locking device comprises a first bracket fixed on one of the positioning plates, a second bracket fixed on the other positioning plate, and a screw rod connected between the first bracket and the second bracket.
Further, a U-shaped groove is formed in the second support, one end of the screw rod extends into the U-shaped groove, and a pin shaft is arranged on one end of the screw rod and the second support in a penetrating mode.
Further, the other end of the screw rod is movably arranged on the first bracket in a penetrating mode and is connected with a nut in a threaded mode, and the nut is located on the outer side of the first bracket.
Further, the upper side and the lower side of the positioning plate are respectively provided with a lightening hole.
Further, the positioning plate is in a strip-shaped plate shape with an arc-shaped section.
The beneficial effects of the utility model are as follows:
when the sleeve welding positioning device is used, the positioning plates are connected in a hinged mode, the number of the positioning plates can be increased or decreased according to the diameter of the sleeve, and the sleeve welding positioning device can be suitable for butt welding positioning of the sleeves with different diameters. The welding window is formed in the positioning plate, the sleeve can be welded at the welding window, the locking device is convenient to detach the positioning plate and adjust the tightness of fit between the positioning plate and the sleeve, the sleeve displacement of the sleeve in the welding process is prevented, and the perpendicularity of the sleeve in the butt welding process is improved.
Drawings
FIG. 1 is a view of a state of use of a large diameter bushing of the present utility model for a butt welding centralizer;
fig. 2 is a top view of a large diameter bushing butt-welding centralizer of the utility model.
Reference numerals illustrate: 1-upper sleeve, 2-lower sleeve, 3-locating plate, 31-welding window, 32-weight reducing hole, 4-sleeve connecting seam, 5-locking device, 51-bracket I, 52-pin, 53-bracket II, 54-U-shaped groove, 55-nut, 6-screw, 7-pin, 8-connecting frame I, 81-connecting frame II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, "a plurality of" means two or more.
See fig. 1-2.
The utility model relates to a large-diameter sleeve butt welding righting device, which relates to an upper sleeve 1 and a lower sleeve 2, and comprises a plurality of positioning plates 3 and at least one locking device 5;
the positioning plates 3 are sequentially hinged, the locking device 5 is arranged between the two positioning plates 3 at the head and the tail, and the two ends of the upper sleeve 1 and the lower sleeve 2 are connected to form a sleeve connecting seam 4; the large-diameter sleeve pipe is arranged on the outer walls of the upper sleeve pipe 1 and the lower sleeve pipe 2 in a surrounding mode, and a welding window 31 is formed in the position, corresponding to the sleeve pipe connecting seam 4, of the locating plate 3.
When in use, the positioning plates 3 are connected in a hinged manner, and the number of the positioning plates 3 can be adjusted according to the diameter of the sleeve so as to be suitable for the sleeves with different sizes; the welding window 31 is opened at the position corresponding to the sleeve connecting seam 4, and the sleeve connecting seam can be welded through the welding window 31, so that the welding efficiency is improved. In one embodiment, two adjacent positioning plates 3 are hinged by two hinges: the hinge comprises a first connecting frame 8 fixed on one positioning plate 3, a second connecting frame 81 fixed on the other positioning plate 3 and a pin 7 movably penetrating through the first connecting frame 8 and the second connecting frame 81. The pin 7 is movably arranged in the first connecting frame 8 and the second connecting frame 81 in a penetrating way, so that the positioning plate 3 can be increased or decreased according to the diameter of the sleeve; the locating plate 3 can rotate through the pin 7, and is better attached to the sleeve.
In one embodiment, the locking device 5 is provided with two locking devices symmetrically arranged at the upper end and the lower end of the positioning plate 3. By means of the design, the locking devices 5 are symmetrically arranged at the upper end and the lower end, so that the locating plate is more stable after being connected, the locating plate can be tightly attached to the sleeve in the welding process, displacement cannot be generated between the locating plate and the sleeve, and stability of the welding process is guaranteed.
In one embodiment, the locking device 5 comprises a first bracket 51 fixed on one of the positioning plates 3, a second bracket 53 fixed on the other positioning plate 3, and a screw 6 connected between the first bracket 51 and the second bracket 53. By the design, the first bracket 51 and the second bracket 53 are connected by the screw 6, and the first and second brackets are used for connecting the head and tail ends of the locating plate 3, so that the locating plate 3 is fixed outside the sleeve, and the locating plate and the sleeve are prevented from being displaced in the welding process.
In an embodiment, the second bracket 53 is provided with a U-shaped groove 54, one end of the screw 6 extends into the U-shaped groove 54, and the pin 52 is disposed on one end of the screw 6 and the second bracket 53. By means of the design, the pin shaft 52 is arranged through one end of the screw rod 6 in a penetrating mode, the pin shaft 52 is convenient to detach, the screw rod 6 is inserted into and pulled out, the locating plate 3 can be quickly fixed and opened, and operation efficiency can be improved conveniently and rapidly.
In one embodiment, the other end of the screw rod 6 is movably arranged on the first bracket 51 in a penetrating way and is connected with a nut 55 in a threaded way, and the nut 55 is positioned on the outer side of the first bracket 51. By means of the design, the nut 55 is connected with one end of the screw rod 6, tightness is adjusted through the nut 55, and locking and unlocking of the device are achieved.
In an embodiment, the upper and lower sides of the positioning plate 3 are respectively provided with a lightening hole 32. By means of the design, the weight reducing holes 32 can reduce the overall weight of the positioning plate 3, and are convenient to install and improve welding operation efficiency.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The large-diameter sleeve butt welding righting device relates to an upper sleeve (1) and a lower sleeve (2), and is characterized by comprising a plurality of positioning plates (3) and at least one locking device (5);
the positioning plates (3) are sequentially hinged, the locking device (5) is arranged between the two positioning plates (3) at the head and the tail, and the two ends of the upper sleeve (1) and the lower sleeve (2) are connected to form a sleeve connecting seam (4); the large-diameter sleeve butt welding centering device is arranged on the outer walls of the upper sleeve (1) and the lower sleeve (2) in a surrounding mode, and a welding window (31) is formed in the position, corresponding to the sleeve connecting seam (4), of the locating plate (3).
2. The large diameter bushing butt welding righting device according to claim 1, characterized in that two adjacent positioning plates (3) are hinged by two hinges: the hinge comprises a first connecting frame (8) fixed on one positioning plate (3), a second connecting frame (81) fixed on the other positioning plate (3) and a pin (7) movably penetrating through the first connecting frame (8) and the second connecting frame (81).
3. The large-diameter sleeve butt welding centering device according to claim 1, wherein the locking device (5) is provided with two locking devices symmetrically arranged at the upper end and the lower end of the positioning plate (3).
4. The large diameter bushing butt welding centering device according to claim 1, wherein the locking device (5) includes a bracket one (51) fixed to one of the positioning plates (3), a bracket two (53) fixed to the other positioning plate (3), and a screw (6) connected between the bracket one (51) and the bracket two (53).
5. The large-diameter sleeve butt welding and righting device according to claim 4, wherein a U-shaped groove (54) is formed in the second bracket (53), one end of the screw rod (6) extends into the U-shaped groove (54), and a pin shaft (52) is arranged on one end of the screw rod (6) and the second bracket (53) in a penetrating mode.
6. The large-diameter sleeve butt welding centering device according to claim 5, wherein the other end of the screw (6) is movably arranged on the first bracket (51) in a penetrating manner and is in threaded connection with a nut (55), and the nut (55) is positioned on the outer side of the first bracket (51).
7. The large-diameter sleeve butt welding centering device according to claim 1, wherein the upper side and the lower side of the positioning plate (3) are respectively provided with a weight reducing hole (32).
8. The large-diameter bushing butt-welding centering device according to claim 1, wherein the positioning plate (3) is a strip-shaped plate with an arc-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322201566.8U CN220612815U (en) | 2023-08-14 | 2023-08-14 | Butt welding centering device for large-diameter sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322201566.8U CN220612815U (en) | 2023-08-14 | 2023-08-14 | Butt welding centering device for large-diameter sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220612815U true CN220612815U (en) | 2024-03-19 |
Family
ID=90219002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322201566.8U Active CN220612815U (en) | 2023-08-14 | 2023-08-14 | Butt welding centering device for large-diameter sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220612815U (en) |
-
2023
- 2023-08-14 CN CN202322201566.8U patent/CN220612815U/en active Active
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