CN220102330U

CN220102330U - Seamless steel pipe

Info

Publication number: CN220102330U
Application number: CN202321636081.5U
Authority: CN
Inventors: 程远芳; 陈忠春; 谢玉琴
Original assignee: Zhejiang Chunyu Stainless Steel Co ltd
Current assignee: Zhejiang Chunyu Stainless Steel Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-28
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to a seamless steel pipe, which comprises a pipe body, wherein a plurality of groups of supporting mechanisms for placing prefabricated members are arranged on the pipe body, and the supporting mechanisms are sequentially arranged at intervals along the length direction of the pipe body; the supporting mechanism comprises a limiting table coaxially arranged outside the pipe body, a supporting table is arranged on the limiting table, and a plurality of screws used for being inserted into the prefabricated member are arranged on the side wall, deviating from the limiting table, of the supporting table. The utility model has the advantages of ensuring that the prefabricated member is smoothly arranged outside the pipe body, and being convenient for fixing the prefabricated member with relatively large volume.

Description

Seamless steel pipe

Technical Field

The utility model relates to the technical field of steel pipes, in particular to a seamless steel pipe.

Background

At present, a seamless steel pipe is formed by perforating a whole round steel, and the steel pipe with no weld seam on the surface is called a seamless steel pipe. The seamless steel pipe may be classified into a hot rolled seamless steel pipe, a cold drawn seamless steel pipe, an extruded seamless steel pipe, a push pipe, etc., according to the production method. Seamless steel pipes are also increasingly used in building construction. The method plays an important role in large industrial buildings, and is widely applied to residential buildings such as houses and office buildings.

When the seamless steel pipe is used as a supporting frame in a building, in order to realize the connection and fixation between the seamless steel pipe and other prefabricated parts, the prefabricated parts are usually required to be fixedly installed on the seamless steel pipe through fasteners; however, when fixing the prefabricated member with relatively large volume, in order to ensure that the prefabricated member can be smoothly fixed at the designated position of the seamless steel tube before the prefabricated member is completely fixed on the seamless steel tube by the fastener, part of installers can adopt a manual lifting mode to keep the prefabricated member at the designated height of the seamless steel tube, and the manual lifting is not only laborious, but also has poor stability in the fixing process, thereby bringing inconvenience to the installation work.

Disclosure of Invention

The utility model provides a seamless steel pipe, which has the effect of conveniently fixing a prefabricated member with a relatively large volume.

The utility model provides a seamless steel pipe, which adopts the following technical scheme:

the seamless steel pipe comprises a pipe body, wherein a plurality of groups of supporting mechanisms for placing prefabricated members are arranged on the pipe body, and the supporting mechanisms are sequentially arranged at intervals along the length direction of the pipe body; the supporting mechanism comprises a limiting table coaxially arranged outside the pipe body, a supporting table is arranged on the limiting table, and a plurality of screws used for being inserted into the prefabricated member are arranged on the side wall, deviating from the limiting table, of the supporting table.

By adopting the technical scheme: when the prefabricated part with relatively large volume is fixed, the prefabricated part can be placed on the supporting table, and the prefabricated part is supported by the supporting table, so that manual lifting is not needed, and the placement of the prefabricated part is facilitated; in addition, the screw rod can be inserted into the mounting hole formed in the prefabricated member, and finally the prefabricated member is screwed on the supporting table through the nut, so that the prefabricated member can be smoothly mounted outside the pipe body, and the prefabricated member with relatively large volume is conveniently fixed.

Preferably, the support platform is also penetrated with a plurality of positioning holes for inserting the prefabricated members; the positioning holes are respectively positioned between the adjacent screw rods.

By adopting the technical scheme: because be provided with the inserted bar on the part prefab, consequently when installing the prefab, through inserting the aligned locating hole of inserted bar, under the cooperation of pegging graft each other of inserted bar and locating hole this moment, can realize preliminarily fixing the prefab outside the body, ensured the stability of prefab to can make things convenient for subsequent installation work.

Preferably, the supporting table is coaxially sleeved outside the pipe body, and the supporting table is rotatably arranged on the pipe body; the limiting table is provided with a locking piece, and the locking piece is used for fixing the supporting table on the limiting table.

By adopting the technical scheme: in order to enable the screw rod or the positioning hole to be in smooth plug-in fit with the prefabricated member, the support table can be rotationally adjusted outside the pipe body at the moment after the locking of the support table by the locking piece is released; after the direction of the screw or the positioning hole is rotated to a proper position, the supporting table is fixed on the limiting table again through the locking piece, and the purpose of adjusting the direction of the screw and the positioning hole is achieved.

Preferably, the locking piece is arranged on the limiting table in a sliding manner along the radial direction of the limiting table; one end of the locking piece is limited in the limiting table, and the other end of the locking piece penetrates out of the limiting table to the outside of the limiting table; the locking piece which penetrates out of the limiting table is provided with an inserting groove for inserting the outer edge of the supporting table, the limiting table is internally provided with a spring which stretches out and draws back along the sliding direction of the locking piece, and the spring is used for driving the locking piece to move towards the direction close to the limiting table.

Preferably, the locking piece is connected with a fastener in a threaded manner, and the end part of the fastener is inserted into the limit groove; the outer edge of the supporting table is provided with a plurality of threaded holes for the end parts of the fasteners to be screwed in; the threaded holes are circumferentially spaced around the outer edge of the support table.

Preferably, a limit strip is arranged on the outer side wall of the pipe body, and the length of the limit strip extends along the length direction of the pipe body; the supporting table is coaxially sleeved outside the pipe body, and a limiting groove corresponding to the limiting strip is formed in the inner side wall, facing the pipe body, of the supporting table; the limiting grooves are used for inserting the corresponding limiting strips, and the supporting table is arranged outside the pipe body in a sliding manner along the length direction of the limiting strips; and a spacing area for the support table to rotate is formed between adjacent limit strips along the length direction of the pipe body.

Preferably, the end part of the pipe body is provided with a base for contacting with the ground; the diameter of the outer side wall of the base, which is away from the pipe body, is larger than the diameter of the pipe body.

In summary, the present utility model includes at least one of the following beneficial technical effects:

the prefabricated member is ensured to be smoothly arranged outside the pipe body, and the prefabricated member with relatively large volume is conveniently fixed;

the direction of the screw rod and the positioning hole can be adjusted, so that the prefabricated member can be ensured to be in mutual plug-in fit with the screw rod or the positioning hole smoothly.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial structure of the stand-up table of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a partial structure of the inside of the bump stop of FIG. 1.

Reference numerals illustrate: 1. a tube body; 10. a limit bar; 11. a spacer; 12. a base; 2. a support mechanism; 20. a limiting table; 21. a support table; 210. a screw; 211. positioning holes; 22. a threaded hole; 23. a limit groove; 3. a locking member; 30. a plug-in groove; 31. a fastener; 4. and (3) a spring.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a seamless steel pipe, referring to fig. 1, which comprises a pipe body 1, wherein a plurality of groups of supporting mechanisms 2 for placing prefabricated members are arranged on the pipe body 1, the number of the supporting mechanisms 2 can be increased or decreased according to actual requirements, and in the embodiment, the number of the supporting mechanisms 2 is three. The three groups of supporting mechanisms 2 are sequentially and uniformly distributed at intervals along the length direction of the pipe body 1.

Referring to fig. 1 and 2, the support mechanism 2 includes a limiting table 20 coaxially and fixedly installed outside the pipe body 1, and a support table 21 coaxially disposed above the limiting table 20. The outer diameter of the supporting table 21 is larger than that of the limiting table 20, a plurality of screws 210 are fixedly arranged on the side wall, away from the limiting table 20, of the supporting table 21, and the screws 210 are used for being inserted into mounting holes formed in the prefabricated part. The length of the screw 210 extends along the length direction of the pipe body 1, and adjacent screw 210 surrounds the supporting table 21 at uniform intervals in the circumferential direction around the central axis of the pipe body 1.

As shown in fig. 1 and 2, a plurality of positioning holes 211 for inserting the insert pins provided on the preform are also penetrated through the support table 21, and the positioning holes 211 are uniformly circumferentially and circumferentially wound around the support table 21 at intervals around the central axis of the pipe body 1. And the positioning holes 211 are respectively located between the adjacent screw rods 210.

As shown in fig. 2 and 3, a plurality of groups of limit strips 10 corresponding to the positions of the supporting mechanisms 2 are fixedly installed on the outer side wall of the pipe body 1, a plurality of limit strips 10 positioned in the same group are arranged, and the limit strips 10 positioned in the same group are circumferentially and uniformly spaced around the central axis of the pipe body 1 and encircle the limit table 20. The bottom of the limit bar 10 is fixedly connected with the respective opposite limit tables 20, and the length of the limit bar 10 extends along the length direction of the pipe body 1. The supporting table 21 is provided with limiting grooves 23 which are located on the same group and are opposite to the limiting strips 10 one by one on the inner side wall facing the pipe body 1, the limiting grooves 23 are used for inserting the corresponding limiting strips 10, and the shape of the limiting grooves 23 is matched with the shape of the limiting strips 10.

As shown in fig. 2 and 3, the supporting table 21 is slidably disposed outside the pipe body 1 along the length direction of the limiting strips 10, a space is left between two adjacent groups of limiting strips 10, and a space region 11 for the supporting table 21 to rotate is formed on the outer side wall of the pipe body 1. When the supporting table 21 moves to the spacing region 11 along the length direction of the spacing bar 10, the supporting table 21 is separated from the spacing of the spacing bar 10, so that the supporting table can rotate at the spacing region 11. After the screw 210 and the positioning hole 211 on the supporting table 21 are rotated to the proper positions, the limit groove 23 on the supporting table 21 is aligned with the lower limit bar 10 to be inserted, and the rotation of the supporting table 21 outside the pipe body 1 can be limited by the mutual insertion and matching of the limit bar 10 and the limit groove 23.

As shown in fig. 2 and 3, a plurality of locking pieces 3 are mounted on the stopper 20, and the locking pieces 3 are used to fix the support 21 to the stopper 20. The locking members 3 are slidably disposed on the stopper 20 along the radial direction of the stopper 20 where they are located. One end of the locking piece 3 is limited in each limiting table 20, and the other end of the locking piece 3 penetrates out of the limiting table 20 from the corresponding limiting table 20 to the outside of the limiting table 20. The locking piece 3 penetrating out of the limiting table 20 is provided with a plugging groove 30, an opening of the plugging groove 30 faces the limiting table 20, and the plugging groove 30 is used for being inserted by the outer edges of the opposite supporting tables 21. The shape of the inserting groove 30 is matched with the shape of the outer edge of the supporting table 21.

As shown in fig. 2 and 3, a spring 4 extending along the sliding direction of the locking piece 3 is further disposed in the limiting table 20, one end of the spring 4 is fixedly connected with the locking piece 3, the other end of the spring 4 is fixedly connected with the inner side wall of the limiting table 20, and the spring 4 is used for driving the locking piece 3 to move towards the direction approaching the limiting table 20 in a natural state. The locking piece 3 is connected with a fastening piece 31 through threads at one end far away from the limiting table 20, in this embodiment, the fastening piece 31 adopts a butterfly bolt, and the end part of the fastening piece 31 is inserted into the inserting groove 30. The length of the fastening piece 31 extends along the radial direction of the limiting table 20, and a plurality of threaded holes 22 for screwing the end parts of the fastening piece 31 are formed in the outer edge of the supporting table 21. The screw holes 22 are circumferentially spaced around the central axis of the support table 21 around the outer edge of the support table 21. After the outer edge of the supporting table 21 is inserted into the insertion groove 30 of the locking member 3, the end of the fastening member 31 is inserted into the corresponding threaded hole 22 and screwed, and at this time, the supporting table 21 can be fixed on the limiting table 20 under the action of the fastening member 31 and the locking member 3.

As shown in fig. 2 and 3, a base 12 for contacting with the ground is fixedly installed at the bottom of the pipe body 1, the base 12 and the pipe body 1 are coaxially arranged, and the diameter of the outer side wall of the base 12, which is away from the pipe body 1, is larger than that of the pipe body 1. The base 12 can further enhance the stability of the bottom of the pipe body 1, so that the pipe body 1 can be more stably placed on the ground.

The implementation principle is as follows: when fixing the prefab that the volume is great relatively, can place the prefab on supporting bench 21, support the prefab through supporting bench 21 to need not to lift through the manual work, made things convenient for the placing of prefab. In addition, the screw 210 can be inserted into the mounting hole formed in the prefabricated member, and finally the prefabricated member is screwed on the supporting table 21 through the nut, so that the prefabricated member can be smoothly mounted outside the pipe body 1, and the prefabricated member with relatively large volume can be conveniently fixed.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a seamless steel pipe, is including body (1), its characterized in that: the pipe body (1) is provided with a plurality of groups of supporting mechanisms (2) for placing prefabricated members, and the supporting mechanisms (2) are sequentially arranged at intervals along the length direction of the pipe body (1); the supporting mechanism (2) comprises a limiting table (20) coaxially arranged outside the pipe body (1), a supporting table (21) is arranged on the limiting table (20), and a plurality of screws (210) used for being inserted into the prefabricated member are arranged on the side wall, deviating from the limiting table (20), of the supporting table (21).

2. A seamless steel pipe according to claim 1, wherein: a plurality of positioning holes (211) for inserting the prefabricated members are also communicated with the supporting table (21); the positioning holes (211) are respectively positioned between the adjacent screw rods (210).

3. A seamless steel pipe according to claim 2, wherein: the supporting table (21) is coaxially sleeved outside the pipe body (1), and the supporting table (21) is rotatably arranged on the pipe body (1); the limiting table (20) is provided with a locking piece (3), and the locking piece (3) is used for fixing the supporting table (21) on the limiting table (20).

4. A seamless steel pipe according to claim 3, wherein: the locking piece (3) is arranged on the limiting table (20) in a sliding manner along the radial direction of the limiting table (20); one end of the locking piece (3) is limited in the limiting table (20), and the other end of the locking piece (3) penetrates out of the limiting table (20) to the outside of the limiting table (20); the locking piece (3) penetrating out of the limiting table (20) is provided with an inserting groove (30) for inserting the outer edge of the supporting table (21), the limiting table (20) is internally provided with a spring (4) stretching along the sliding direction of the locking piece (3), and the spring (4) is used for driving the locking piece (3) to move towards the direction close to the limiting table (20).

5. A seamless steel tube according to claim 4, wherein: the locking piece (3) is connected with a fastening piece (31) in a threaded mode, and the end portion of the fastening piece (31) is inserted into the inserting groove (30); the outer edge of the supporting table (21) is provided with a plurality of threaded holes (22) for screwing the end parts of the fasteners (31); the threaded holes (22) are circumferentially spaced around the outer edge of the support table (21).

6. A seamless steel tube according to claim 4, wherein: a limiting strip (10) is arranged on the outer side wall of the pipe body (1), and the length of the limiting strip (10) extends along the length direction of the pipe body (1); the supporting table (21) is coaxially sleeved outside the pipe body (1), and a limiting groove (23) corresponding to the limiting strip (10) is formed in the inner side wall, facing the pipe body (1), of the supporting table (21); the limiting grooves (23) are used for inserting the opposite limiting strips (10), and the supporting table (21) is arranged outside the pipe body (1) in a sliding manner along the length direction of the limiting strips (10); a spacing area (11) for the rotation of the supporting table (21) is formed between adjacent limiting strips (10) along the length direction of the pipe body (1).

7. A seamless steel pipe according to claim 1, wherein: the end part of the pipe body (1) is provided with a base (12) for contacting with the ground; the diameter of the outer side wall of the base (12) deviating from the pipe body (1) is larger than the diameter of the pipe body (1).