CN209774426U - Inner supporting structure of large-diameter steel pipe - Google Patents

Inner supporting structure of large-diameter steel pipe Download PDF

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Publication number
CN209774426U
CN209774426U CN201920281098.0U CN201920281098U CN209774426U CN 209774426 U CN209774426 U CN 209774426U CN 201920281098 U CN201920281098 U CN 201920281098U CN 209774426 U CN209774426 U CN 209774426U
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steel pipe
rod
screw rod
sleeve
diameter
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CN201920281098.0U
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Chinese (zh)
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祝承平
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Anhui Yongan Construction Co Ltd
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Anhui Yongan Construction Co Ltd
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Abstract

The utility model relates to a heavy-calibre steel pipe inner supporting structure, including the steel pipe body, the butt has the arc piece that is used for supporting on the inner wall of steel pipe body the steel pipe body, the inside center department of steel pipe body is provided with the regulating box, be provided with diameter adjusting part on the regulating box, diameter adjusting part include along the direction of height of regulating box with its screw rod that runs through and establish respectively at the both ends of screw rod and with screw rod screw-thread fit's sleeve, the screw thread at screw rod both ends is revolved to opposite, the sleeve is kept away from the one end of screw rod with the inner wall of arc piece depressed end is fixed, be provided with on the regulating box and be used for the drive screw rod pivoted drive assembly, the regulating box and be provided with the restriction on the sleeve telescopic pivoted spacing subassembly. The utility model discloses an adjust inner support structure's support diameter, make its support that is applicable to the heavy-calibre steel pipe of different pipe diameter specifications.

Description

Inner supporting structure of large-diameter steel pipe
Technical Field
The utility model belongs to the technical field of the steel pipe machining technique and specifically relates to a heavy-calibre steel pipe inner supporting structure is related to.
Background
The bending of the steel pipe usually uses a pipe bender, the steel pipe is placed on the pipe bender, the pipe bender applies bending moment to the steel pipe, so that the steel pipe is locally deformed in a proper amount to form a certain angle, thereby achieving the purpose of bending. However, the large-caliber steel pipe is easy to deform at the pipe orifice during pipe bending, subsequent correction work must be performed on the deformed pipe orifice, certain defects may be caused by correction, working links are increased, the quality of the steel pipe is affected, and the working efficiency is low. Meanwhile, the deformation of the pipe orifice of the steel pipe can also occur during normalizing and tempering heat treatment of the large-diameter steel pipe, and some steel pipes even cannot be corrected due to overlarge deformation of the pipe orifice of the steel pipe. In addition, in the process of storage and transportation of the large-diameter steel pipes, due to the large gravity of the large-diameter steel pipes, the large-diameter steel pipes can deform in different degrees, so that the roundness of the steel pipes is deviated, the subsequent work of the steel pipes is seriously influenced, and the production efficiency is influenced if the two steel pipes cannot be connected.
at present, chinese utility model patent with publication number CN202224486U discloses a support structure in steel pipe, including last bearing structure and the under bracing structure of its below, it includes the upper plate and fixes to go up the bearing structure the last bracing piece of upper plate top, the under bracing structure includes the lower plate and fixes the under bracing piece of lower plate below, the upper plate with the lower plate is in the same place through the round pin hub connection, the perpendicular welding in round pin axle top is at the middle part of upper plate bottom surface, and the lower plate middle part is opened there is the round pin axle hole with round pin axle assorted.
The above prior art solutions have the following drawbacks: the diameter of the inner support structure in the scheme can not be adjusted, and the inner support structure is only suitable for supporting large-diameter steel pipes with specific pipe diameters and is not suitable for inner supports of large-diameter steel pipes with different specifications, so that the application range is small, and the reuse rate is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heavy-calibre steel pipe inner supporting structure through adjusting inner supporting structure's support diameter, makes its support that is applicable to the heavy-calibre steel pipe of different pipe diameter specifications.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a heavy-calibre steel pipe inner supporting structure, includes the steel pipe body, the butt has the arc piece that is used for supporting on the inner wall of steel pipe body the steel pipe body, the inside center department of steel pipe body is provided with the regulating box, be provided with diameter adjusting part on the regulating box, diameter adjusting part include along the direction of height of regulating box with its screw rod that runs through and establish respectively at the both ends of screw rod and with screw rod screw-thread fit's sleeve, the screw thread at screw rod both ends is revolved to opposite, the sleeve is kept away from the one end of screw rod with the inner wall of arc piece depressed end is fixed, be provided with on the regulating box and be used for the drive screw rod pivoted drive assembly, the regulating box and be provided with the restriction on the sleeve pivoted.
Through adopting above-mentioned technical scheme, start drive assembly, thereby drive screw rotates, the sleeve is owing to receive spacing subassembly's restriction, turn into self along screw rod length direction's slip with the turning force of screw rod, because the screw thread at the both ends of screw rod revolves to opposite, when rotating the screw rod, the sleeve at both ends all is to keeping away from or being close to the direction synchronous motion of regulating box, thereby realize the regulation to arc-shaped piece support diameter, thereby make this inner support structure be applicable to the heavy-calibre steel pipe of different pipe diameter specifications, thereby inner support structure's application scope has been improved.
the utility model discloses further set up to: the limiting assembly comprises a telescopic rod which is fixedly connected to the peripheral side wall of the sleeve and slides along with the sleeve and a fixing rod which is connected to the inside of the telescopic rod in a sliding mode, and the end of the fixing rod is fixed to the outer wall of the adjusting box.
Through adopting above-mentioned technical scheme, the setting of telescopic link and dead lever is not influencing under the condition that the sleeve slided, provides the support for the sleeve on the one hand, has improved the stability that the sleeve slided, and on the other hand is spacing for the sleeve, avoids the sleeve to follow the screw rod rotation and influence the sleeve along screw rod length direction's sliding to avoid influencing inner bearing structure and support diameter's regulation.
The utility model discloses further set up to: the inner wall of the telescopic rod is provided with a sliding groove, the length direction of the sliding groove is consistent with that of the telescopic rod, and the peripheral side wall of the fixed rod is fixedly connected with a sliding block in sliding fit with the sliding groove.
Through adopting above-mentioned technical scheme, the setting of spout and slider is used for restricting telescopic sliding range, avoids the sleeve to slide excessively and drops from the screw rod to avoid influencing the support effect of arc piece.
the utility model discloses further set up to: the driving assembly comprises a driven bevel gear, a driving bevel gear and a rotating rod, wherein the driven bevel gear is sleeved and fixed in the middle of the screw, the driving bevel gear is meshed with the driven bevel gear, and the rotating rod is sleeved and fixed in the center of the driving bevel gear.
Through adopting above-mentioned technical scheme, rotate the dwang, drive bevel gear drives driven bevel gear and rotates to drive the screw rod and rotate, because direct rotation screw rod troublesome poeration, drive assembly's setting has improved screw rod pivoted convenience.
The utility model discloses further set up to: fixedly connected with bracing piece on the outer wall of regulating box, set up on the bracing piece with the dwang rotates the mouth of wearing to establish of connecting.
Through adopting above-mentioned technical scheme, the setting of bracing piece is used for providing the support for the dwang, avoids the dwang to receive self action of gravity and move down to stability when having improved the dwang and having rotated.
The utility model discloses further set up to: the inner wall of the penetrating opening is provided with an annular groove, and the peripheral side wall of the rotating rod is fixedly connected with an annular block which is in running fit with the annular groove.
Through adopting above-mentioned technical scheme, the setting of annular piece and ring channel is used for the dwang spacing, avoids the dwang to move along its length direction at the rotation in-process to avoid initiative bevel gear and driven bevel gear to break away from and influence the regulation that arc piece supported the diameter.
The utility model discloses further set up to: the dwang is kept away from the one end fixedly connected with hand wheel of regulating box.
Through adopting above-mentioned technical scheme, the setting up of hand wheel has saved the power consumption of direct rotation dwang, has effectively improved the rotation efficiency of dwang.
The utility model discloses further set up to: the first magnet is embedded in the arc-shaped block, and the second magnet which is magnetically attracted with the arc-shaped block is embedded in the steel pipe body.
Through adopting above-mentioned technical scheme, when the arc piece removed to the position inconsistent with the inner wall of steel pipe body, first magnet and second magnet attracted to improved the support stability of arc piece to the steel pipe body, with this support effect that improves the arc piece to the steel pipe body.
To sum up, the utility model discloses a beneficial technological effect does:
1. The diameter adjusting assembly is arranged to adjust the support diameter of the arc-shaped block, so that the inner support structure is suitable for large-diameter steel pipes with different pipe diameter specifications, and the application range of the inner support structure is widened;
2. The limiting assembly is arranged to limit the sleeve, so that the sleeve is prevented from rotating along with the screw rod to influence the sliding of the sleeve along the length direction of the screw rod, and the support diameter of the inner support structure is prevented from being adjusted;
3. The setting of spout and slider is used for restricting telescopic sliding range, avoids the sleeve to slide excessively and drops from the screw rod to avoid influencing the supporting effect of arc piece.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
Fig. 2 is a schematic cross-sectional structure diagram of the present embodiment.
In the figure: 1. a steel pipe body; 11. a second magnet; 2. an arc-shaped block; 21. a first magnet; 3. an adjusting box; 4. a diameter adjustment assembly; 41. a screw; 42. a sleeve; 5. a drive assembly; 51. a driven bevel gear; 52. a drive bevel gear; 53. rotating the rod; 531. a ring block; 532. a hand wheel; 6. a limiting component; 61. a telescopic rod; 611. a chute; 62. fixing the rod; 621. a slider; 7. a support bar; 71. a hole is drilled; 711. an annular groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a support structure in heavy-calibre steel pipe, including steel pipe body 1. The inner wall of the steel pipe body 1 is abutted with an arc-shaped block 2, and the arc-shaped block 2 is of an arc-shaped block structure and used for supporting the steel pipe body 1.
Referring to fig. 1, a regulating box 3 is arranged inside a steel pipe body 1, and the regulating box 3 is of a rectangular box structure, is hollow inside and is located in the center of the steel pipe body 1. The adjusting box 3 is provided with a diameter adjusting assembly 4, and the diameter adjusting assembly 4 comprises a screw rod 41 and a sleeve 42. The screw rod 41 is of a round rod-shaped structure and penetrates through the adjusting box 3 along the height direction of the adjusting box 3; the screw threads at the two ends of the screw rod 41 are oppositely threaded. The sleeve 42 is a circular cylindrical structure, and a threaded hole is formed in the sleeve; the number of the sleeves 42 is two, and the two sleeves 42 are respectively in threaded fit with the two ends of the screw rod 41; one end of the sleeve 42 far away from the adjusting box 3 is fixed with the inner wall of the concave end of the arc-shaped block 2.
Referring to fig. 2, the sleeve 42 and the adjusting box 3 are provided with a limiting assembly 6, and the limiting assembly 6 includes an expansion link 61 and a fixing rod 62. The telescopic rod 61 is a circular rod-shaped structure, and the peripheral side wall thereof is fixedly connected with the peripheral side wall of the sleeve 42, and the interior thereof is hollow. One end of the fixed rod 62 extends into the telescopic rod 61 and slides along the inside of the telescopic rod 61; the other end of the fixing rod 62 is fixed to the outer wall of the adjusting box 3. The telescopic rod 61 and the fixing rod 62 are arranged under the condition that the sliding of the sleeve 42 is not influenced, on one hand, the sleeve 42 is supported, and the sliding stability of the sleeve 42 is improved; on the other hand, the telescopic rod 61 and the fixing rod 62 are used for limiting the sleeve 42, so that the sleeve 42 is prevented from rotating along with the screw rod 41 to influence the sliding of the sleeve 42 along the length direction of the screw rod 41, and the adjustment of the supporting diameter of the inner supporting structure is prevented from being influenced. The inner wall of the telescopic rod 61 is provided with a sliding groove 611, and the section of the sliding groove 611 is rectangular and is arranged along the length direction of the telescopic rod 61. The peripheral side wall of the fixing rod 62 is fixedly connected with a sliding block 621, and the sliding block 621 is a rectangular block-shaped structure and is in sliding fit with the sliding groove 611. The sliding groove 611 and the sliding block 621 are arranged to limit the sliding range of the sleeve 42, and when the sleeve 42 slides to a certain distance away from the adjusting box 3, the sliding block 621 slides to the end of the sliding groove 611, so that the sleeve 42 is prevented from sliding excessively and falling off from the screw rod 41, and the supporting effect of the arc-shaped block 2 is prevented from being influenced.
referring to fig. 2, the adjusting box 3 is provided with a driving assembly 5, the driving assembly 5 is used for driving the screw 41 to rotate, and the driving assembly 5 comprises a driven bevel gear 51, a driving bevel gear 52 and a rotating rod 53. The driven bevel gear 51 is sleeved and fixed in the middle of the screw 41 and is positioned inside the adjusting box 3. The drive bevel gear 52 is engaged with the driven bevel gear 51 and is located inside the adjusting box 3. The rotating rod 53 is a circular rod-shaped structure, one end of which is sleeved and fixed at the center of the driving bevel gear 52, and the other end of which is fixedly connected with a hand wheel 532. The cross section of the hand wheel 532 is circular, the labor consumption for directly rotating the rotating rod 53 is reduced due to the arrangement of the hand wheel 532, and the rotating efficiency of the rotating rod 53 is effectively improved. The hand wheel 532 is rotated, so that the rotating rod 53 drives the driving bevel gear 52 to rotate, the driving bevel gear 52 drives the driven bevel gear 51 to rotate, and the screw rod 41 is driven to rotate, and the operation is troublesome due to the fact that the screw rod 41 is directly rotated, and the convenience for rotating the screw rod 41 is improved due to the arrangement of the driving assembly 5.
Referring to fig. 2, a support rod 7 is fixedly connected to the outer wall of the adjusting box 3, the cross section of the support rod 7 is U-shaped, two ends of the support rod 7 are fixed to the adjusting box 3, a through hole 71 is formed in the side wall of the support rod, the through hole 71 penetrates through the support rod 7 along the thickness direction of the support rod 7, and is used for the rotating rod 53 to penetrate through and is rotatably connected with the rotating rod 53; the setting of bracing piece 7 is used for providing the support for dwang 53, avoids dwang 53 to receive self action of gravity and moves down to stability when dwang 53 rotates has been improved. An annular groove 711 is formed in the inner wall of the penetrating opening 71, and the section of the annular groove 711 is circular and is arranged around the penetrating opening 71. The circumferential side wall of the rotating rod 53 is fixedly connected with an annular block 531, and the annular block 531 is in an annular structure and is in rotating fit with the annular groove 711. The arrangement of the annular block 531 and the annular groove 711 is used for limiting the rotating rod 53, so that the rotating rod 53 is prevented from moving along the length direction thereof in the rotating process, and the driving bevel gear 52 is prevented from being separated from the driven bevel gear 51 to influence the adjustment of the supporting diameter of the arc-shaped block 2.
Referring to fig. 2, a first magnet 21 is embedded in the arc block 2, and the first magnet 21 has a circular arc-shaped cross section and is magnetic and located at one end of the arc block 2 close to the steel pipe body 1. The second magnet 11 is fitted into the steel pipe body 1, and the second magnet 11 has a circular cross section and magnetically attracts the first magnet 21. When the arc piece 2 moves to the position inconsistent with the inner wall of steel pipe body 1, first magnet 21 and second magnet 11 attract each other, thereby improving the support stability of arc piece 2 to steel pipe body 1 and improving the support effect of arc piece 2 to steel pipe body 1.
The implementation principle of the embodiment is as follows: rotate hand wheel 532, make dwang 53 drive the rotation of drive bevel gear 52, drive bevel gear 52 drives driven bevel gear 51 and rotates, thereby drive screw 41 and rotate, sleeve 42 is owing to receive the limiting displacement of telescopic link 61 and dead lever 62, turn into the turning force of screw 41 self along the slip of screw 41 length direction, because the screw thread at the both ends of screw 41 revolves to opposite, when rotating screw 41, the sleeve 42 at both ends all is to keeping away from or being close to the direction synchronous motion of regulating box 3, thereby realize the regulation to arc-shaped piece 2 support diameter, with this large-diameter steel pipe that makes this inner supporting structure be applicable to different pipe diameter specifications, thereby the application scope of inner supporting structure has been improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a heavy-calibre steel pipe inner support structure, includes steel pipe body (1), its characterized in that: the inner wall of the steel pipe body (1) is abutted with an arc-shaped block (2) for supporting the steel pipe body (1), an adjusting box (3) is arranged at the center of the interior of the steel pipe body (1), a diameter adjusting component (4) is arranged on the adjusting box (3), the diameter adjusting component (4) comprises a screw rod (41) penetrating through the adjusting box (3) along the height direction of the adjusting box and sleeves (42) respectively sleeved at two ends of the screw rod (41) and in threaded fit with the screw rod (41), the screw threads at the two ends of the screw rod (41) are opposite in rotating direction, one end of the sleeve (42) far away from the screw rod (41) is fixed with the inner wall of the concave end of the arc-shaped block (2), the adjusting box (3) is provided with a driving component (5) for driving the screw rod (41) to rotate, and the adjusting box (3) and the sleeve (42) are provided with a limiting assembly (6) for limiting the rotation of the sleeve (42).
2. The internal support structure of a large-diameter steel pipe according to claim 1, wherein: the limiting assembly (6) comprises a telescopic rod (61) which is fixedly connected to the peripheral side wall of the sleeve (42) and slides along with the sleeve (42), and a fixing rod (62) which is connected to the inside of the telescopic rod (61) in a sliding mode, and the end part of the fixing rod is fixed to the outer wall of the adjusting box (3).
3. The internal support structure of a large-diameter steel pipe according to claim 2, wherein: the inner wall of the telescopic rod (61) is provided with a sliding groove (611) with the length direction consistent with that of the telescopic rod (61), and the peripheral side wall of the fixed rod (62) is fixedly connected with a sliding block (621) in sliding fit with the sliding groove (611).
4. The internal support structure of a large-diameter steel pipe according to claim 1, wherein: the driving component (5) comprises a driven bevel gear (51) fixed in the middle of the screw rod (41) in a sleeved mode, a driving bevel gear (52) meshed with the driven bevel gear (51) and a rotating rod (53) fixed in the center of the driving bevel gear (52) in a sleeved mode.
5. The internal support structure of a large-diameter steel pipe according to claim 4, wherein: fixedly connected with bracing piece (7) on the outer wall of regulating box (3), seted up on bracing piece (7) with dwang (53) rotate wearing to establish mouth (71) of connecting.
6. The internal support structure of a large-diameter steel pipe according to claim 5, wherein: an annular groove (711) is formed in the inner wall of the penetrating opening (71), and an annular block (531) in running fit with the annular groove (711) is fixedly connected to the peripheral side wall of the rotating rod (53).
7. The internal support structure of a large-diameter steel pipe according to claim 4, wherein: the rotating rod (53) is far away from one end of the adjusting box (3) and is fixedly connected with a hand wheel (532).
8. The internal support structure of a large-diameter steel pipe according to claim 1, wherein: the steel pipe is characterized in that a first magnet (21) is embedded in the arc-shaped block (2), and a second magnet (11) which is magnetically attracted with the arc-shaped block (2) is embedded in the steel pipe body (1).
CN201920281098.0U 2019-03-05 2019-03-05 Inner supporting structure of large-diameter steel pipe Active CN209774426U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185335A (en) * 2020-02-28 2020-05-22 重庆市荣昌区永世光电设备有限公司 Street lamp pole painting device
CN111843257A (en) * 2020-05-28 2020-10-30 河北环境工程学院 Heat exchanger header inner side rounding device and heat exchanger header welding method
CN112059956A (en) * 2020-08-31 2020-12-11 扬州腾诺建筑节能科技发展有限责任公司 Brake shoe clamp with adjustable clamping stress

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185335A (en) * 2020-02-28 2020-05-22 重庆市荣昌区永世光电设备有限公司 Street lamp pole painting device
CN111185335B (en) * 2020-02-28 2021-02-05 重庆市荣昌区永世光电设备有限公司 Street lamp pole painting device
CN111843257A (en) * 2020-05-28 2020-10-30 河北环境工程学院 Heat exchanger header inner side rounding device and heat exchanger header welding method
CN112059956A (en) * 2020-08-31 2020-12-11 扬州腾诺建筑节能科技发展有限责任公司 Brake shoe clamp with adjustable clamping stress

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