阅读说明：本技术 大直径薄壁圆管的自平衡内支撑结构及其支撑方法 (Self-balancing internal support structure of large-diameter thin-wall circular tube and support method thereof ) 是由 潘钧俊 陈华 陈新喜 余少乐 沈洁 杨钦 王刚 方能榕 司法强 黄沛林 管宁 于 2020-08-10 设计创作，主要内容包括：本发明提供了一种大直径薄壁圆管的自平衡内支撑结构及其支撑方法,该结构包括：中芯件,包括连接中段和可拆卸地连接于所述连接中段的两端的两个端头；两支撑套件,所述支撑套件包括用于支撑于大直径薄壁圆管的内壁且相对设置的两弧形件和分别铰接于所述弧形件的两支承杆,两所述支撑套件的支承杆分别连接于所述连接中段的两端,两所述支撑套件的弧形件在所述大直径薄壁圆管的圆周方向上交替设置且在所述连接中段的长度方向上间隔设置；以及顶推件,所述顶推件的相对两端分别铰接于所述中芯件的同一端的端头和支承杆。本发明解决了薄壁圆管的传统的内衬圆环支撑存在容易测鲜滑动倾斜的问题。(The invention provides a self-balancing internal support structure of a large-diameter thin-wall circular tube and a support method thereof, wherein the structure comprises the following components: the core piece comprises a connecting middle section and two end heads which are detachably connected to two ends of the connecting middle section; the supporting sleeve parts comprise two arc-shaped parts and two supporting rods, the two arc-shaped parts are used for supporting the inner wall of the large-diameter thin-wall circular tube and are oppositely arranged, the two supporting rods are respectively hinged to the arc-shaped parts, the supporting rods of the two supporting sleeve parts are respectively connected to two ends of the connecting middle section, the arc-shaped parts of the two supporting sleeve parts are alternately arranged in the circumferential direction of the large-diameter thin-wall circular tube and are arranged at intervals in the length direction of the connecting middle section; and the two opposite ends of the pushing piece are respectively hinged with the end head and the supporting rod at the same end of the middle core piece. The invention solves the problem that the traditional lining circular ring support of the thin-wall circular pipe is easy to detect the fresh sliding inclination.)

1. A self-balancing internal support structure of a large-diameter thin-walled circular tube is characterized by comprising:

the core piece comprises a connecting middle section and two end heads which are detachably connected to two ends of the connecting middle section;

the supporting sleeve parts comprise two arc-shaped parts and two supporting rods, the two arc-shaped parts are used for supporting the inner wall of the large-diameter thin-wall circular tube and are oppositely arranged, the two supporting rods are respectively hinged to the arc-shaped parts, the supporting rods of the two supporting sleeve parts are respectively connected to two ends of the connecting middle section, the arc-shaped parts of the two supporting sleeve parts are alternately arranged in the circumferential direction of the large-diameter thin-wall circular tube and are arranged at intervals in the length direction of the connecting middle section; and

and the two opposite ends of the pushing piece are respectively hinged with the end head and the supporting rod at the same end of the middle core piece.

2. The self-balancing internal support structure for large-diameter thin-walled circular tubes of claim 1, wherein the arc of the arc matches the arc of the inner wall of the large-diameter thin-walled circular tube.

3. The self-balancing internal support structure for large-diameter thin-walled circular tubes of claim 1, wherein the arc segments have a central angle of 90 °.

4. The self-balancing internal support structure of a large-diameter thin-walled circular tube as claimed in claim 1, further comprising a core rod assembly, wherein the connecting middle section and the end head are respectively provided with guiding through holes, and the core rod assembly is slidably disposed in the guiding through holes of the connecting middle section and the end head.

5. The self-balancing internal support structure for large-diameter thin-walled round tubes of claim 4, wherein the mandrel assembly comprises:

two rod bodies arranged in the same direction;

the two ends of the connecting rod are connected with lantern rings, the two rod bodies movably penetrate through the lantern rings in a one-to-one correspondence mode, the guide through holes are strip-shaped holes, and the width of the core rod assembly is matched with the length of the guide through holes.

6. The self-balancing internal support structure of a large-diameter thin-walled circular tube as claimed in claim 5, wherein the side wall of the rod body is provided with a locking block, and after the arc-shaped member is supported on the inner wall of the large-diameter thin-walled circular tube, the rod body is rotated to make the locking block abut against the end face of the end head far away from the end face of the middle connecting section.

7. The self-balancing internal support structure for large-diameter thin-walled circular tubes as claimed in claim 1, wherein the outer sides of the arc members are adhered with anti-slip strips.

8. A support method for a self-balancing internal support structure of a large-diameter thin-wall circular pipe as claimed in any one of claims 1 to 7, characterized by comprising the following steps:

detaching the two end heads from the two ends of the connecting middle section, and folding the two arc-shaped pieces of the supporting sleeve part;

after the two arc-shaped pieces of the supporting sleeve piece are folded, arranging the self-balancing inner supporting structure of the large-diameter thin-wall circular pipe on a station to be supported of the large-diameter thin-wall circular pipe;

the self-balancing inner supporting structure of the large-diameter thin-walled circular tube is arranged behind the support station, the two ends are pushed to face the two ends of the connection middle section and are connected to the two ends of the connection middle section, so that the two arc-shaped parts of the support sleeve parts are supported on the inner wall of the large-diameter thin-walled circular tube and the two arc-shaped parts of the support sleeve parts are alternately arranged in the circumferential direction of the large-diameter thin-walled circular tube and are arranged at intervals in the length direction of the connection middle section.

Technical Field

The invention relates to the technical field of building construction, in particular to a self-balancing internal support structure of a large-diameter thin-wall circular tube and a support method thereof.

Background

Aiming at a large-diameter thin-wall rib-free circular tube structure, the deformation is easy to generate due to insufficient rigidity of the structure in the transportation or storage process. The traditional inside lining ring of pipe supports, is difficult for installing at the position placed in the middle of the pipe, and the easy sideslip slope of ring self, and support reliability is not enough.

Disclosure of Invention

In order to overcome the defects in the prior art, a self-balancing internal support structure of a large-diameter thin-wall circular tube and a support method thereof are provided so as to solve the problem that the fresh sliding inclination is easy to detect in the traditional lining circular ring support of the thin-wall circular tube.

In order to achieve the above object, there is provided a self-balancing inner support structure for a large-diameter thin-walled circular tube, comprising:

the core piece comprises a connecting middle section and two end heads which are detachably connected to two ends of the connecting middle section;

the supporting sleeve parts comprise two arc-shaped parts and two supporting rods, the two arc-shaped parts are used for supporting the inner wall of the large-diameter thin-wall circular tube and are oppositely arranged, the two supporting rods are respectively hinged to the arc-shaped parts, the supporting rods of the two supporting sleeve parts are respectively connected to two ends of the connecting middle section, the arc-shaped parts of the two supporting sleeve parts are alternately arranged in the circumferential direction of the large-diameter thin-wall circular tube and are arranged at intervals in the length direction of the connecting middle section; and

and the two opposite ends of the pushing piece are respectively hinged with the end head and the supporting rod at the same end of the middle core piece.

Furthermore, the radian of the arc-shaped part is matched with the radian of the inner wall of the large-diameter thin-wall circular tube.

Further, the central angle of the arc-shaped piece is 90 degrees.

The connecting middle section and the end head are respectively provided with a guide through hole, and the core rod assembly is slidably arranged in the guide through holes of the connecting middle section and the end head.

Further, the mandrel assembly comprises:

two rod bodies arranged in the same direction;

the two ends of the connecting rod are connected with lantern rings, the two rod bodies movably penetrate through the lantern rings in a one-to-one correspondence mode, the guide through holes are strip-shaped holes, and the width of the core rod assembly is matched with the length of the guide through holes.

Furthermore, the lateral wall of the body of rod is equipped with the locking piece arc support in behind the inner wall of major diameter thin wall pipe, rotate the body of rod is in order to make the locking piece support lean on in the end keep away from the terminal surface of the one end of connecting the middle section.

Furthermore, the outer side of the arc-shaped piece is pasted with an anti-slip strip.

The invention provides a supporting method of a self-balancing internal supporting structure of a large-diameter thin-wall circular tube, which comprises the following steps of:

detaching the two end heads from the two ends of the connecting middle section, and folding the two arc-shaped pieces of the supporting sleeve part;

after the two arc-shaped pieces of the supporting sleeve piece are folded, arranging the self-balancing inner supporting structure of the large-diameter thin-wall circular pipe on a station to be supported of the large-diameter thin-wall circular pipe;

the self-balancing inner supporting structure of the large-diameter thin-walled circular tube is arranged behind the support station, the two ends are pushed to face the two ends of the connection middle section and are connected to the two ends of the connection middle section, so that the two arc-shaped parts of the support sleeve parts are supported on the inner wall of the large-diameter thin-walled circular tube and the two arc-shaped parts of the support sleeve parts are alternately arranged in the circumferential direction of the large-diameter thin-walled circular tube and are arranged at intervals in the length direction of the connection middle section.

The self-balancing inner support structure of the large-diameter thin-wall circular tube has the beneficial effects that the sleeve support kits connected with the two ends of the middle section of the self-balancing inner support structure of the large-diameter thin-wall circular tube are respectively and stably supported on the inner wall of the large-diameter thin-wall circular tube in a staggered manner, so that the self-balancing inner support structure of the large-diameter thin-wall circular tube is prevented from laterally sliding and inclining (along the length direction of the large-diameter thin-wall circular tube), and the self-balancing inner support structure can keep balanced, does not sideslip and topple, can provide reliable support.

Drawings

Fig. 1 is a schematic structural diagram of a self-balancing internal support structure of a large-diameter thin-walled circular tube according to an embodiment of the present invention.

Fig. 2 is a side view of a self-balancing internal support structure for a large diameter thin-walled circular tube in accordance with an embodiment of the present invention.

Fig. 3 is a schematic structural view of the core member in the embodiment of the present invention.

Fig. 4 is a schematic view illustrating a locking state of the locking piece and the terminal according to the embodiment of the invention.

Fig. 5 is a sectional view of the core member in the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a supporting kit according to an embodiment of the invention.

Fig. 7 to 9 are schematic diagrams illustrating a state that a self-balancing internal support structure of a large-diameter thin-walled circular tube is folded to be unfolded according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a schematic structural diagram of a self-balancing inner support structure of a large-diameter thin-walled circular tube according to an embodiment of the present invention, fig. 2 is a side view of the self-balancing inner support structure of the large-diameter thin-walled circular tube according to the embodiment of the present invention, fig. 3 is a schematic structural diagram of a center core piece according to the embodiment of the present invention, fig. 4 is a schematic locking state diagram of a lock block and a tip according to the embodiment of the present invention, fig. 5 is a cross-sectional view of the center core piece according to the embodiment of the present invention, fig. 6 is a schematic structural diagram of a support kit according to the embodiment of the present invention, and fig. 7 to fig. 9 are schematic folding-unfolding states of.

Referring to fig. 1 to 9, the present invention provides a self-balancing internal support structure for a large-diameter thin-walled circular tube, including: the core piece 1, two sets of support external members 2 and the pushing piece 3.

Specifically, the core member 1 includes a connecting middle section 11 and a tip 12. The number of the tips 12 is two. Two ends 12 are detachably connected to two ends of the connecting middle section 11, respectively. In this embodiment, the connecting mid-section is cylindrical.

The support sleeve member 2 comprises two arc-shaped members 21 and two support bars 22. The arc-shaped part 21 is used for supporting the inner wall of a large-diameter thin-wall circular pipe. The two arc-shaped pieces 21 are oppositely arranged on the side walls connecting the two opposite sides of the middle section. The two support rods 22 are hinged to the arc-shaped members 21, respectively. In this embodiment, the first ends of the support rods are connected to the middle of the arc and the second ends of the support rods are hingedly connected to the side walls of the connecting mid-section 11.

The opposite ends of the pusher 3 are hinged to the head 12 and the supporting rod 22, respectively, of the same end of the central core 1. The ejector member is an ejector pin in this embodiment.

The two arc-shaped pieces of each set of supporting sleeve piece are arranged in a centrosymmetric manner by taking the end part connected with the middle section as a symmetric center. The arc-shaped pieces 21 of the two sets of supporting sleeve members 2 are alternately arranged in the circumferential direction of the large-diameter thin-wall circular tube, and the arc-shaped pieces 21 of the two sets of supporting sleeve members 2 are arranged at intervals in the length direction of the connecting middle section 11.

When the large-diameter thin-wall circular tube is supported, the middle core piece is arranged along the central axis of the large-diameter thin-wall circular tube, and the end head is pushed to the end part of the connecting middle section and connected to the end part of the connecting middle section, so that the four arc pieces of the two sets of supporting external members are divided into two groups and supported on the inner wall of the large-diameter thin-wall circular tube in different directions.

The sleeve support external members of the self-balancing internal support structure of the large-diameter thin-wall circular tube are respectively and stably supported on the inner wall of the large-diameter thin-wall circular tube in a staggered manner, the four arc-shaped members of the self-balancing internal support structure of the large-diameter thin-wall circular tube are supported on the inner wall of the large direct-seeding thin-wall circular tube in an all-around manner at 360 degrees in the circumferential direction of the large-diameter thin-wall circular tube, so that the circular tube is prevented from forming large deformation during transportation or stacking, the lateral sliding inclination (along the length direction of the large-diameter thin-wall circular tube) of the self-balancing internal support structure of the large-diameter thin-wall circular tube is avoided, the self-balancing internal support structure can keep balance and cannot sideslip and topple, the.

In this embodiment, the connecting middle section 11 and the end head 12 are respectively cylindrical, and the connecting middle section 11 and the end head 12 are respectively provided with a guiding through hole along the axial direction. A movable core rod assembly penetrates through the guide through hole connecting the middle section 11 and the end 12, so that the two ends move along the length direction or the axial direction of the core rod assembly all the time when closing to the connecting middle section.

Specifically, in this embodiment, the core rod assembly includes: two rods 41 and a connecting rod 42.

The two rods 41 are arranged side by side in the same direction. The connecting rod is arranged between the two rod bodies. Both ends of the connecting rod are connected with lantern rings 421. The two rod bodies 41 are movably arranged in the lantern ring in a penetrating way in a one-to-one correspondence way. The guide through hole is a strip-shaped hole, and the width of the core rod assembly is matched with the length of the guide through hole.

In a preferred embodiment, the shank is rotatable in the collar and is displaceable in the axial direction of the collar. The side wall of the rod body 41 is provided with a locking block 411. After the arc-shaped member 21 is supported on the inner wall of the large-diameter thin-walled circular tube, the rod body 41 is rotated, and then the locking block 411 abuts against the end face of the end head 12 far away from the end connected with the middle section 11, so that the end head is detachably mounted on the end connected with the middle section.

In this embodiment, a first end of a rod (first rod) is rotatably mounted to one end (abutting against the end), and rotatably and slidably mounted to the connecting middle section and the other end (second end); the second end of the other rod (second rod) is rotatably mounted to the other head (second head) and rotatably and slidably mounted to the connecting intermediate section and the other head (first head).

In this embodiment, the curvature of the outer side of the arc 21 is adapted to the curvature of the inner wall of a large diameter thin-walled circular tube.

In a preferred embodiment, the arc 21 corresponds to a central angle of 90 °.

The outer side of the arc-shaped piece 21 is stuck with a skid-proof strip. Specifically, the antislip strip is the stereoplasm rubber antislip strip, provides certain frictional force for the inner wall of arc spare and pipe, prevents the slip of arc spare.

The supporting rod is a rod piece with adjustable length, is a replaceable component, and the length of the supporting rod is customized according to the inner diameter of a large-diameter thin-wall circular pipe or is designed into a groove key type and is suitable for circular pipes with different inner diameters.

The invention provides a supporting method of a self-balancing internal supporting structure of a large-diameter thin-wall circular tube, which comprises the following steps of:

s1: the two ends 12 are detached from the two ends of the connecting middle section 11 and the two arc-shaped pieces 21 of the support sleeve 2 are folded together.

The rod body is rotated, so that the locking block is arranged towards the axis direction of the connecting middle section, and the two ends are pulled back to each other, so that the two ends are far away from the two ends of the connecting middle section.

As shown in fig. 7, the two arc-shaped pieces of each set of support external member of the self-balancing internal support structure of the large-diameter thin-walled circular tube are arranged in a folded state.

S2: after the two arc-shaped pieces 21 of the supporting sleeve 2 are folded, the self-balancing internal supporting structure of the large-diameter thin-wall circular tube is arranged on a station to be supported of the large-diameter thin-wall circular tube.

Specifically, after the self-balancing inner support structure of the large-diameter thin-wall circular tube is folded, the self-balancing inner support structure of the large-diameter thin-wall circular tube is arranged at the middle section of the large-diameter circular tube, namely a to-be-supported station, and the middle core piece is arranged along the axis direction of the large-diameter thin-wall circular tube.

S3: after the self-balancing inner support structure of the large-diameter thin-wall circular tube is arranged at the position to be supported, the two ends 12 are pushed to approach the two ends of the connecting middle section 11, and the two ends 12 are connected to the two ends of the connecting middle section 11, so that the arc-shaped pieces 21 of the two support sleeve parts 2 are supported on the inner wall of the large-diameter thin-wall circular tube, the arc-shaped pieces 21 of the two support sleeve parts 2 are alternately arranged in the circumferential direction of the large-diameter thin-wall circular tube, and the support sleeve parts are arranged at intervals in the length direction of the connecting middle.

After the middle core piece is arranged on a station to be supported along the axis direction of the large-diameter thin-wall circular tube, the two end heads are oppositely pushed, so that the two end heads are close to each other towards the two ends of the connecting middle section.

After the end is pressed and supported on the end face of connecting the middle section, the rod body is rotated for the locking piece is pressed and supported on the end face of keeping away from and connecting the middle section of end, and then installs end detachably in the tip of connecting the middle section, makes the arc piece support on the inner wall of major diameter thin wall pipe firmly.

It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the invention is to be defined by the scope of the appended claims.