Hollow pipe component

Abstract

The invention relates to a hollow pipe component, and belongs to the field of hollow pipes, the hollow pipe component comprises a pipe body, two ends of the pipe body are fixedly connected with plugs, a steel wire rope is arranged in the pipe body in a penetrating manner, two ends of the steel wire rope respectively penetrate through the two plugs, two ends of the steel wire rope are detachably and fixedly provided with jacking plates, and the two jacking plates are in one-to-one correspondence with the two plugs. The jacking plates are connected with the plug through the jacking assemblies, and the two jacking assemblies are used for applying pulling force away from each other to the two jacking plates correspondingly. The pipe body comprises a plurality of pipe sections, and every two adjacent pipe sections are connected through a connecting piece. The flange is matched with the connecting piece and the pipe section is matched with the supporting pipe, so that the connecting strength is improved, circumferential fixing of the pipe section and the connecting piece is achieved through matching of the protrusion and the groove, the connecting disc plays a role of a reinforcing rib, the strength of the connecting piece is improved, and the connecting piece is convenient to use. And through the steel wire rope, the overall strength of the hollow pipe component is improved.

Description

Technical Field

[0001] The invention relates to a hollow tube component and belongs to the field of hollow tubes. Background Art

[0002] At present, in the prior art, the cast-in-place hollow slab hole-forming components are permanent core molds, such as paper tubes, plastic tubes, metal corrugated tubes, core mold lightweight materials, etc. These tubular core molds or components are mainly considered to evacuate concrete and reduce the weight of the floor.

[0003] The Chinese utility model patent with the announcement number CN2536688Y discloses a combined hollow tube component, which includes a hollow tube and plugs at both ends of the hollow tube, and is characterized in that it also includes at least one stiffening rib and at least two hollow tubes, and the hollow tubes are butt-jointed on the stiffening ribs and connected to form a whole. Due to the stiffening ribs, the component eliminates the defects of no force-bearing components and anti-cracking structure in the hollow tube after the hole is formed, and the stiffening ribs can form a bidirectional force-bearing structure with the longitudinal cast-in-place concrete ribs between the tubes, reducing the difference in bidirectional force transmission of the floor slab. At the same time, the hollow tube is butt-jointed by at least two hollow tubes through the stiffening ribs in the length direction, so the length of each hollow tube is relatively small, the processing is simple, and it is convenient for mechanized production; it has the characteristics of high strength, strong shear resistance, compression resistance, torsion resistance, large deformation resistance, good seismic performance, convenient construction and transportation, and is suitable for various spatial structure floors. However, in the prior art, after two pipes are connected by a connector, the connection is prone to breakage after being subjected to stress for a long time, thereby affecting the overall shear and torsion resistance of the hollow pipe.

[0004] Therefore, a hollow tube component is needed to improve the connection strength of the tubes. Summary of the invention

[0005] The technical problem to be solved by the present invention is: in order to overcome the deficiencies of the prior art, a hollow pipe component is provided for improving the connection strength of pipes.

[0006] The technical solution adopted by the present invention to solve the above-mentioned problem is: a hollow tube member, including a tube body, both ends of the tube body are fixedly connected with plugs, a steel wire rope is passed through the tube body, and both ends of the steel wire rope pass through two plugs respectively, and both ends of the steel wire rope are detachably fixed with a tightening plate, the two tightening plates correspond to the two plugs one by one, the tightening plates are connected to the plugs through a tightening assembly, and the two tightening assemblies are respectively used to apply a pulling force to the two tightening plates to move away from each other; The pipe body comprises a plurality of pipe sections, and two adjacent pipe sections are connected by a connecting piece; The connecting piece abuts against the end of the pipe section, the connecting piece is annular, and one end of the pipe section connected to the connecting piece is provided with a flange, the flange is inserted into the annular hole of the connecting piece, and the flange is in contact with the inner circumferential wall of the connecting piece; The end of the connecting piece is provided with a groove, and the end of the pipe section connected to the connecting piece is provided with a protrusion, the protrusion matches the groove, and the protrusion is inserted into the groove; Two support tubes are fixedly arranged on the connection plate, and the two support tubes correspond to two adjacent pipe sections one by one. The support tubes are coaxially arranged with the pipe body, and the outer peripheral wall of the support tube is in contact with the inner peripheral wall of the pipe section; The support pipe and the pipe section are fixed by a locking piece; The locking member includes a locking screw, a locking hole and a threaded hole. The locking hole is arranged on the pipe section, the threaded hole is arranged on the support pipe, the locking screw passes through the locking hole and the threaded hole in sequence, and the locking screw is threadedly connected to the inner wall of the threaded hole.

[0007] Preferably, the outer circumferential wall of the pipe section and the outer circumferential wall of the connecting piece are on the same cylindrical surface.

[0008] Preferably, the number of grooves at the end of the connecting piece is multiple, and the multiple grooves are distributed circumferentially with the connecting piece as the center, and the number of the protrusions is consistent with the number of the grooves.

[0009] Preferably, a plurality of locking members are provided, and the plurality of locking members are distributed circumferentially with the pipe segment as the center.

[0010] Preferably, a plurality of clamping members are arranged in the support tube, and the plurality of clamping members correspond to the plurality of locking members one by one; The clamping piece is an arc-shaped clamping plate, which is elastic. One end of the clamping plate is fixedly arranged on the connecting plate, the screwed-in end of the locking screw abuts against the side of the clamping plate away from the axis of the pipe section, and the other side of the clamping plate fits with the wire rope.

[0011] Preferably, the clamping plate is arc-shaped.

[0012] Preferably, the tightening assembly comprises a tightening screw, the tightening screw is threadedly connected to the tightening plate, the tightening screw is parallel to the tube body, and the screwed-in end of the tightening screw abuts against the outer wall of the plug.

[0013] Preferably, a blind hole is provided on the outer side wall of the plug, and the tightening screw and the tightening plate are both located in the blind hole.

[0014] Preferably, a connecting disk is provided in the annular hole of the connecting member, the connecting disk is coaxially arranged with the connecting member, the connecting disk and the connecting member are an integrally formed structure, and the steel wire rope passes through the connecting disk.

[0015] Preferably, the flange abuts against the connecting disk.

[0016] Compared with the prior art, the advantages of the present invention are: The hollow tube component of the present invention increases the connection strength through the cooperation between the flange and the connecting piece and the cooperation between the pipe section and the supporting pipe, and realizes the circumferential fixation of the pipe section and the connecting piece through the cooperation between the protrusion and the groove, wherein the connecting plate plays the effect of reinforcing ribs and improves the strength of the connecting piece, and the steel wire rope not only improves the overall strength of the hollow tube component, but also, by pulling the steel wire rope, a squeezing force can be generated between the pipe section and the connecting ring, further improving the connection strength between the pipe section and the connecting piece, that is, improving the torsion resistance. Secondly, by clamping the steel wire rope with the clamping plate, it is convenient to transfer the shear force exerted on the hollow tube component to the steel wire rope, thereby improving the shear resistance. In addition, through the cooperation between the clamping plate and the steel wire rope, the force uniformity of the steel wire rope can also be improved, thereby extending the service life of the steel wire rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a hollow tube component of the present invention; Figure 2 It is a front view of a hollow tube component of the present invention; Figure 3 A top view of a hollow tube component of the present invention; Figure 4 It is a left side view of a hollow tube component of the present invention; Figure 5 A cross-sectional view of a hollow tube component of the present invention; Figure 6 It is a schematic diagram of the connection structure of the connector, the connection plate and the support tube; Figure 7 for Figure 6 A cross-sectional view of Figure 8 It is the structural schematic diagram of the pipe section; Fig. 9 It is a structural schematic diagram of the plug; Fig.10 This is a schematic diagram of the connection structure of the plug, pipe section, tensioning plate and wire rope.

[0018] in: Pipe body 1, plug 2, wire rope 3, tightening plate 4, tightening assembly 5, blind hole 6; Pipe section 11, connecting piece 12, flange 13, groove 14, protrusion 15, connecting plate 16, supporting pipe 17, locking piece 18, clamping piece 19; Locking screw 181, locking hole 182, threaded hole 183; Clamping plate 191; Tighten screw 51. DETAILED DESCRIPTION

[0019] like Figure 1-10As shown, a hollow tube member in this embodiment includes a tube body 1, both ends of the tube body 1 are fixedly connected with plugs 2, a steel wire rope 3 is passed through the tube body 1, and both ends of the steel wire rope 3 pass through two plugs 2 respectively, and both ends of the steel wire rope 3 are detachably fixed with a tightening plate 4, the two tightening plates 4 correspond to the two plugs 2 one by one, and the tightening plates 4 are connected to the plugs 2 through a tightening assembly 5, and the two tightening assemblies 5 are respectively used to apply a pulling force to the two tightening plates 4 to move away from each other; The tightening assembly 5 includes a plurality of tightening screws 51, which are all threadedly connected to the tightening plate 4, the tightening screws 51 are parallel to the pipe body 1, and the screwed-in ends of the tightening screws 51 abut against the outer wall of the plug 2; A blind hole 6 is provided on the outer wall of the plug 2, and the tightening screw 51 and the tightening plate 4 are both located in the blind hole 6; The pipe body 1 includes a plurality of pipe segments 11, and two adjacent pipe segments 11 are connected by a connector 12; The connecting piece 12 abuts against the end of the pipe section 11. The connecting piece 12 is annular. A flange 13 is provided at one end of the pipe section 11 connected to the connecting piece 12. The flange 13 is inserted into the annular hole of the connecting piece 12. The flange 13 abuts against the inner circumferential wall of the connecting piece 12. The outer peripheral wall of the pipe section 11 and the outer peripheral wall of the connecting piece 12 are on the same cylindrical surface; The end of the connecting piece 12 is provided with a groove 14, and the number of the grooves 14 at the end of the connecting piece 12 is multiple, and the multiple grooves 14 are evenly distributed circumferentially with the connecting piece 12 as the center; the end of the pipe section 11 connected to the connecting piece 12 is provided with a protrusion 15, and the number of the protrusions 15 is consistent with the number of the grooves 14, and the protrusions 15 match the grooves 14, and the protrusions 15 are inserted into the grooves 14; A connecting plate 16 is arranged in the annular hole of the connecting member 12. The connecting plate 16 is coaxially arranged with the connecting member 12. The connecting plate 16 and the connecting member 12 are an integrally formed structure. The steel wire rope 3 passes through the connecting plate 16. The flange 13 abuts against the connecting plate 16; Two support tubes 17 are fixedly arranged on the connection plate 16. The two support tubes 17 correspond to two adjacent pipe sections 11 one by one. The support tubes 17 are coaxially arranged with the pipe body 1. The outer peripheral wall of the support tube 17 fits with the inner peripheral wall of the pipe section 11. The support tube 17 and the pipe section 11 are fixed by a locking member 18, and a plurality of locking members 18 are provided, and the plurality of locking members 18 are evenly distributed circumferentially around the pipe section 11; The locking member 18 includes a locking screw 181, a locking hole 182 and a threaded hole 183. The locking hole 182 is provided on the pipe section 11, and the threaded hole 183 is provided on the support pipe 17. The locking screw 181 passes through the locking hole 182 and the threaded hole 183 in sequence, and the locking screw 181 is threadedly connected to the inner wall of the threaded hole 183. A plurality of clamping members 19 are disposed in the support tube 17, and the plurality of clamping members 19 correspond to the plurality of locking members 18 one by one; The clamping member 19 is an arc-shaped clamping plate 191, which is elastic. One end of the clamping plate 191 is fixedly disposed on the connecting plate 16, and the screwed-in end of the locking screw 181 abuts against the side of the clamping plate 191 away from the axis of the pipe section 11, and the other side of the clamping plate 191 is in contact with the steel wire rope 3; When assembling the hollow tube component, first pass the wire rope 3 through the connection plate 16, the pipe section 11 and the plug 2 to be assembled in sequence, then connect the two pipe sections 11 to the two ends of the connector 12, insert the protrusion 15 into the groove 14, and insert the flange 13 of the pipe section 11 into the annular hole of the connector 12. At the same time, the flange 13 abuts against the connection plate 16, and the inner peripheral wall of the pipe section 11 fits with the outer peripheral wall of the support tube 17. Then, fix the top plate 4 on the wire rope 3, and screw the top screw 51 into the top plate 4. As the screwing depth of the top screw 51 increases, the top screw 51 is tightened. After the screwed-in end of the screw 51 abuts against the plug 2, the two top plates 4 respectively pull the two ends of the wire rope 3 away from each other, that is, the wire rope 3 is straightened, and at the same time, the two plugs 2 exert a squeezing force on the pipe section 11 and the connector 12, thereby improving the connection strength between the pipe section 11 and the connector 12. Finally, the locking screw 181 is screwed in to lock the pipe section 11 and the support pipe 17. At the same time, as the screwing depth of the locking screw 181 increases, the screwed-in end of the locking screw 181 pushes the clamping plate 191 to fit the wire rope 3, so that the clamping plate 191 clamps the wire rope 3. Here, the connection strength is increased by the cooperation between the flange 13 and the connecting piece 12, and the cooperation between the pipe section 11 and the support pipe 17, and the circumferential fixation of the pipe section 11 and the connecting piece 12 is achieved by the cooperation between the protrusion 15 and the groove 14, wherein the connecting plate 16 plays the role of a reinforcing rib, thereby improving the strength of the connecting piece 12, and the steel wire rope 3 not only improves the overall strength of the hollow tube component, but also, by pulling the steel wire rope 3, a squeezing force can be generated between the pipe section 11 and the connecting ring, thereby further improving the connection strength between the pipe section 11 and the connecting piece 12, that is, improving the torsional performance, and secondly, by clamping the steel wire rope 3 through the clamping plate 191, it is convenient to transfer the shear force exerted on the hollow tube component to the steel wire rope 3, thereby improving the shear resistance, and in addition, through the cooperation between the clamping plate 191 and the steel wire rope 3, the force uniformity of the steel wire rope 3 can also be improved, thereby extending the service life of the steel wire rope 3.

[0020] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A hollow tube component, comprising a tube body (1), both ends of the tube body (1) being fixedly connected with plugs (2), characterized in that: A steel wire rope (3) is inserted into the tube body (1), and the two ends of the steel wire rope (3) pass through two plugs (2) respectively. Both ends of the steel wire rope (3) are detachably fixedly provided with a tightening plate (4), and the two tightening plates (4) correspond to the two plugs (2) one by one. The tightening plates (4) are connected to the plugs (2) via a tightening assembly (5), and the two tightening assemblies (5) are respectively used to apply a pulling force to the two tightening plates (4) to move them away from each other; The pipe body (1) comprises a plurality of pipe segments (11), and two adjacent pipe segments (11) are connected via a connecting piece (12); The connecting piece (12) abuts against the end of the pipe section (11); the connecting piece (12) is annular; one end of the pipe section (11) connected to the connecting piece (12) is provided with a flange (13); the flange (13) is inserted into the annular hole of the connecting piece (12); the flange (13) abuts against the inner circumferential wall of the connecting piece (12); The end of the connecting piece (12) is provided with a groove (14), and the end of the pipe section (11) connected to the connecting piece (12) is provided with a protrusion (15), the protrusion (15) matches the groove (14), and the protrusion (15) is inserted into the groove (14); Two support tubes (17) are fixedly arranged on the connection plate (16), the two support tubes (17) correspond one to one with two adjacent pipe sections (11), the support tubes (17) are coaxially arranged with the pipe body (1), and the outer peripheral wall of the support tube (17) is in contact with the inner peripheral wall of the pipe section (11); The support tube (17) and the tube section (11) are fixed together via a locking member (18); The locking member (18) comprises a locking screw (181), a locking hole (182) and a threaded hole (183); the locking hole (182) is arranged on the pipe section (11); the threaded hole (183) is arranged on the support pipe (17); the locking screw (181) passes through the locking hole (182) and the threaded hole (183) in sequence; and the locking screw (181) is threadedly connected to the inner wall of the threaded hole (183).

2. A hollow tube member according to claim 1, characterized in that: The outer peripheral wall of the pipe section (11) and the outer peripheral wall of the connecting piece (12) are located on the same cylindrical surface.

3. A hollow tube member according to claim 1, characterized in that: The number of the grooves (14) at the end of the connecting piece (12) is multiple, the multiple grooves (14) are distributed circumferentially with the connecting piece (12) as the center, and the number of the protrusions (15) is consistent with the number of the grooves (14).

4. A hollow tube member according to claim 1, characterized in that: A plurality of locking members (18) are provided, and the plurality of locking members (18) are distributed circumferentially with the pipe section (11) as the center.

5. A hollow tube member according to claim 4, characterized in that: A plurality of clamping members (19) are arranged in the support tube (17), and the plurality of clamping members (19) correspond one to one to the plurality of locking members (18); The clamping member (19) is an arc-shaped clamping plate (191), the clamping plate (191) is elastic, one end of the clamping plate (191) is fixedly arranged on the connecting plate (16), the screwed-in end of the locking screw (181) abuts against a side of the clamping plate (191) away from the axis of the pipe section (11), and the other side of the clamping plate (191) is in contact with the steel wire rope (3).

6. A hollow tube member according to claim 5, characterized in that: The clamping plate (191) is arc-shaped.

7. A hollow tube member according to claim 1, characterized in that: The tightening assembly (5) comprises a tightening screw (51), the tightening screw (51) being threadedly connected to the tightening plate (4), the tightening screw (51) being parallel to the tube body (1), and the screwed-in end of the tightening screw (51) abutting against the outer wall of the plug (2).

8. A hollow tube member according to claim 7, characterized in that: A blind hole (6) is provided on the outer wall of the plug (2), and the tightening screw (51) and the tightening plate (4) are both located in the blind hole (6).

9. A hollow tube member according to claim 1, characterized in that: A connecting disk (16) is arranged in the annular hole of the connecting piece (12); the connecting disk (16) is coaxially arranged with the connecting piece (12); the connecting disk (16) and the connecting piece (12) are an integrally formed structure; and the steel wire rope (3) passes through the connecting disk (16).

10. A hollow tube member according to claim 9, characterized in that: The flange (13) abuts against the connecting plate (16).

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