CN211029340U - Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam - Google Patents

Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam Download PDF

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Publication number
CN211029340U
CN211029340U CN201921933376.2U CN201921933376U CN211029340U CN 211029340 U CN211029340 U CN 211029340U CN 201921933376 U CN201921933376 U CN 201921933376U CN 211029340 U CN211029340 U CN 211029340U
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China
Prior art keywords
steel pipe
wheel
base
welding seam
auxiliary rotating
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CN201921933376.2U
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Chinese (zh)
Inventor
杨运钢
袁进生
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Guangzhou Yongsheng Iron And Steel Product Co ltd
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Guangzhou Yongsheng Iron And Steel Product Co ltd
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Priority to CN201921933376.2U priority Critical patent/CN211029340U/en
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Abstract

The utility model discloses an auxiliary rotating device for polishing a large-diameter steel pipe by using an inner welding seam, which comprises a base and two support wheels arranged in parallel of the steel pipe, wherein the two support wheels are respectively a first support wheel and a second support wheel, and the base is sequentially connected with a height adjusting mechanism and an interval adjusting mechanism of the two support wheels; the first supporting wheel and the second supporting wheel are both rotationally connected to the spacing adjusting mechanism; the first supporting wheel is in power connection with a driving device. The utility model provides an auxiliary rotating device of heavy-calibre steel pipe is polished to interior welding seam, it can let the heavy-calibre steel pipe rotatory by oneself, until interior emery wheel and steel pipe internal weld contact, uses manpower sparingly, improves production efficiency.

Description

Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam
Technical Field
The utility model relates to a heavy-calibre steel pipe field of polishing especially relates to an internal weld polishes supplementary rotary device of heavy-calibre steel pipe.
Background
At present, the demand of industrial equipment and infrastructure for large-diameter steel pipes is gradually increased, and the requirements for the processing quality and the processing efficiency of the large-diameter steel pipes are also improved. Because the steel pipe is formed by bending and welding the steel plates, one of the processing procedures of the large-caliber steel pipe is to grind the welding seam on the inner wall of the steel pipe. The welding seam of the steel pipe is polished by an inner grinding head which can extend into the inner side of the steel pipe, and the steel pipe is transversely placed on the supporting structure. When the inner grinding head just extends into the steel pipe, the relative position of the inner grinding head and the steel pipe needs to be adjusted, and the contact of the inner grinding head and the inner welding seam of the steel pipe can be ensured. However, the large-diameter steel pipe has large length and diameter, so that the steel pipe is heavy in weight and difficult to rotate manually, so that the adjustment of the inner grinding head to contact the inner weld of the steel pipe requires long time, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an internal weld grinds supplementary rotary device of heavy-calibre steel pipe, it can let the heavy-calibre steel pipe rotatory by oneself, until interior emery wheel and steel pipe internal weld contact, uses manpower sparingly, improves production efficiency.
In order to achieve the purpose, the utility model provides an auxiliary rotating device for polishing a large-diameter steel pipe by an inner welding seam, which comprises a base and two support wheels arranged in parallel of the steel pipe, wherein the two support wheels are respectively a first support wheel and a second support wheel, and the base is sequentially connected with a height adjusting mechanism and an interval adjusting mechanism of the two support wheels; the first supporting wheel and the second supporting wheel are both rotationally connected to the spacing adjusting mechanism; the first supporting wheel is in power connection with a driving device.
As a further improvement of the utility model, the height adjusting mechanism comprises a support plate, a plurality of first screw rods and nuts; the first screw vertically penetrates through the base and the supporting plate, and the nut is in threaded fit with the first screw; the upper side and the lower side of the part, which is penetrated by the first screw rod, of the supporting plate and the base are provided with the nuts.
As a further improvement of the present invention, the spacing adjustment mechanism comprises two sliders; the first supporting wheel and the second supporting wheel are respectively and rotatably connected with the two sliding blocks; the supporting plate is fixedly connected with a guide rail, and the guide rail is connected with the sliding block in a sliding manner; the spacing adjustment mechanism further comprises a second screw rod extending transversely; the thread turning directions of the thread matching parts of the second screw and the two sliding blocks are opposite; the second screw rod is connected with the supporting plate in a rotating mode, and a hand wheel is arranged at the end portion of the second screw rod.
As a further improvement of the present invention, the driving device is fixedly mounted on the base, and the driving device is linked with the first supporting wheel through the transmission mechanism.
As a further improvement of the utility model, the transmission mechanism comprises a driving gear, a transmission belt and a driven gear, and the transmission belt is sleeved outside the driving gear and the driven gear; the driving gear is connected with the output end of the driving device, and the driven gear is coaxially arranged with the first supporting wheel; the base is provided with a tension mechanism of a transmission belt.
Advantageous effects
Compared with the prior art, the utility model discloses an auxiliary rotating device of internal weld polishing heavy-calibre steel pipe's advantage does:
1. after stretching into the inside of heavy-calibre steel pipe with interior emery wheel, if the part of steel pipe inner wall and interior emery wheel contact is not the inner weld of steel pipe this moment, then drive first supporting wheel and the rotatory certain angle of heavy-calibre steel pipe through drive arrangement, just can make the inner weld and the contact of interior emery wheel of heavy-calibre steel pipe, the emery wheel in the restart, just so can polish the interior welding seam smooth fast. The auxiliary rotating device is simple in structure, manual rotation of the large-diameter steel pipe is not needed, labor is saved, and efficiency is improved.
2. Because the height of the inner grinding wheel device is generally not adjustable, the inner grinding wheel device can adapt to large-diameter steel pipes with different diameters through the height adjusting mechanism on the base and the distance adjusting mechanism of the two supporting wheels, and the application range is wide.
3. The driving device is fixedly installed on the base and is linked with the first supporting wheel through the transmission mechanism, so that the driving device with larger weight does not need to be moved when the positions of the two supporting wheels are adjusted, and the adjustment is more convenient.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of an auxiliary rotating device for polishing a large-diameter steel pipe by using an inner welding seam;
FIG. 2 is an enlarged schematic view of the height adjustment mechanism, the spacing adjustment mechanism, and the transmission mechanism;
fig. 3 is a side view of the spacing adjustment mechanism.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The utility model discloses a concrete embodiment is as shown in fig. 1 to fig. 3, an auxiliary rotating device of internal weld grinding heavy-calibre steel pipe, including two supporting wheels of arranging side by side of base 1 and steel pipe, two supporting wheels are first supporting wheel 41 and second supporting wheel 42 respectively, have connected gradually the interval adjustment mechanism 3 of height adjusting mechanism 2 and two supporting wheels on the base 1. The first support wheel 41 and the second support wheel 42 are both rotatably connected to the pitch adjustment mechanism 3. The first support wheel 41 is power connected with a driving device 5. The axial directions of the two supporting wheels are parallel to the axial direction of the large-caliber steel pipe 7.
The height adjustment mechanism 2 comprises a support plate 21, a number of first screws 22 and nuts 23. The first screw 22 vertically penetrates the base 1 and the support plate 21, and the nut 23 is screw-fitted to the first screw 22. In this embodiment, the number of the nuts 23 on each first screw 22 is four, and the nuts 23 are disposed on the upper and lower sides of the portion, through which the first screw 22 passes, of the support plate 21 and the base 1. The support plate 21 and the base 1 are height-adjusted by the cooperation of the nut 23 and the first screw 22.
The spacing adjustment mechanism 3 includes two sliders 31 located at the same height. The first support wheel 41 and the second support wheel 42 are rotatably connected to the two sliders 31, respectively. The support plate 21 is fixedly connected with a guide rail 32, and the guide rail 32 is slidably connected with the slide block 31. In this embodiment, the two guide rails 32 are respectively corresponding to two oppositely disposed edges of the sliding block 31. The guide rail 32 is provided with a groove, and two edges of the sliding block 31 are provided with sliding strip parts matched with the groove of the guide rail 32. The spacing adjustment mechanism 3 further includes a second screw 34 extending laterally. The thread direction of the thread matching part of the second screw rod 34 and the two slide blocks 31 is opposite. The second screw rod 34 is rotatably connected with the support plate 21, and a hand wheel 33 is arranged at the end part of the second screw rod 34. When the second screw rod 34 is rotated by the hand wheel 33, the two sliding blocks 31 are relatively close to or far away from each other, so that the distance between the two supporting wheels is adjusted.
The driving device 5 is fixedly installed on the base 1, and the driving device 5 is linked with the first supporting wheel 41 through the transmission mechanism 6. The transmission mechanism 6 comprises a driving gear 61, a transmission belt 62 and a driven gear 63, and the transmission belt 62 is sleeved on the outer sides of the driving gear 61 and the driven gear 63. The driving gear 61 is connected with the output end of the driving device 5, and the driven gear 63 is coaxially arranged with the first supporting wheel 41. The base 1 is provided with a tensioning mechanism of a transmission belt 62, and the tensioning mechanism adopts a tensioning wheel. The sliding block 31 where the first supporting wheel 41 is located and the supporting plate 21 are both provided with a strip-shaped groove for the transmission belt 62 to pass through.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims (5)

1. An auxiliary rotating device for polishing a large-diameter steel pipe by using an inner welding seam comprises a base (1) and two support wheels arranged in parallel of the steel pipe, wherein the two support wheels are respectively a first support wheel (41) and a second support wheel (42), and is characterized in that a height adjusting mechanism (2) and a distance adjusting mechanism (3) of the two support wheels are sequentially connected to the base (1); the first supporting wheel (41) and the second supporting wheel (42) are both rotationally connected to the interval adjusting mechanism (3); the first supporting wheel (41) is in power connection with a driving device (5).
2. The auxiliary rotating device for grinding the large-caliber steel pipe by the internal welding seam according to the claim 1, wherein the height adjusting mechanism (2) comprises a support plate (21), a plurality of first screw rods (22) and nuts (23); the first screw rod (22) vertically penetrates through the base (1) and the supporting plate (21), and the nut (23) is in threaded fit with the first screw rod (22); the upper side and the lower side of the part, which is penetrated by the first screw rod (22), of the supporting plate (21) and the base (1) are provided with the nuts (23).
3. The auxiliary rotating device for grinding the large-diameter steel pipe by the internal welding seam according to the claim 2 is characterized in that the spacing adjusting mechanism (3) comprises two sliding blocks (31); the first supporting wheel (41) and the second supporting wheel (42) are respectively and rotationally connected with the two sliding blocks (31); a guide rail (32) is fixedly connected to the support plate (21), and the guide rail (32) is in sliding connection with the sliding block (31); the spacing adjustment mechanism (3) further comprises a second screw (34) extending transversely; the thread turning directions of the thread matching parts of the second screw rod (34) and the two sliding blocks (31) are opposite; the second screw rod (34) is rotationally connected with the support plate (21), and a hand wheel (33) is arranged at the end part of the second screw rod (34).
4. The auxiliary rotating device for grinding the large-diameter steel pipe through the inner welding seam according to claim 1, wherein the driving device (5) is fixedly installed on the base (1), and the driving device (5) is linked with the first supporting wheel (41) through a transmission mechanism (6).
5. The auxiliary rotating device for grinding the large-diameter steel pipe by the internal welding seam according to claim 4, wherein the transmission mechanism comprises a driving gear (61), a transmission belt (62) and a driven gear (63), and the transmission belt (62) is sleeved on the outer sides of the driving gear (61) and the driven gear (63); the driving gear (61) is connected with the output end of the driving device (5), and the driven gear (63) is coaxially arranged with the first supporting wheel (41); the base (1) is provided with a tension mechanism of a transmission belt (62).
CN201921933376.2U 2019-11-11 2019-11-11 Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam Active CN211029340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921933376.2U CN211029340U (en) 2019-11-11 2019-11-11 Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921933376.2U CN211029340U (en) 2019-11-11 2019-11-11 Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam

Publications (1)

Publication Number Publication Date
CN211029340U true CN211029340U (en) 2020-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921933376.2U Active CN211029340U (en) 2019-11-11 2019-11-11 Auxiliary rotating device for polishing large-diameter steel pipe through inner welding seam

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111906604A (en) * 2020-07-22 2020-11-10 陈辉 Special device for polishing welding wires on outer wall of barrel-shaped aluminum alloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111906604A (en) * 2020-07-22 2020-11-10 陈辉 Special device for polishing welding wires on outer wall of barrel-shaped aluminum alloy

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