A truss structure for assembled buildings capable of reducing connection gaps

Abstract

The present invention discloses a truss structure for assembled buildings capable of reducing connection gaps, comprising: a first hybrid prefabricated board, the inner end of which is provided with a connection limit plate, and the lower end of the connection limit plate is provided with a spacer connected to the first hybrid prefabricated board, and the lower end of the spacer is provided with a support plate, the lower end of the support plate is fixedly connected with a stabilizing plate, and the lower end of the stabilizing plate is vertically fixed with a connection plate; a second hybrid prefabricated board is provided between the spacer plate and the support plate, and the upper end of the second hybrid prefabricated board is provided with a first lower chord steel plate, the inner end of the first lower chord steel plate is installed with a second lower chord steel plate, and the inner end of the second lower chord steel plate is provided with a bottom plate additional steel bar. The truss structure for assembled buildings capable of reducing connection gaps facilitates more stable connection between trusses, reduces connection gaps, facilitates overlapping connection, and solves the problem that the existing assembled building trusses are cumbersome to operate and inconvenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated buildings, in particular to a truss structure for prefabricated buildings capable of reducing connection gaps. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories are processed and manufactured in factories and transported to construction sites, and assembled and installed on site through reliable connection methods. They mainly include prefabricated concrete structures, steel structures, modern wooden structures, etc. Prefabricated buildings usually require the use of building composite panels, which need to be installed and connected through trusses, such as:

[0003] A method for quickly measuring the height of the composite truss of a prefabricated building provided by announcement number CN111707201B

[0004] The device comprises a laser device and a background plate, wherein the laser device is arranged in front of the truss, and the background plate is arranged behind the truss, and the laser device and the background plate cooperate with each other. The application realizes the rapid measurement of the height of the composite plate truss. The application reduces the difficulty of measuring the height of the composite plate truss, improves the measurement accuracy and efficiency, improves the production efficiency and reduces the physical exertion of the workers.

[0005] Another example is an assembled composite floor provided by announcement number CN105178487A, which includes a prefabricated base plate of a composite plate, a concrete composite layer and multiple trusses. The prefabricated base plate of the composite plate is provided with longitudinal prestressed tendons and transverse structural tendons, and broken line steel bars are arranged at the joints of the composite plates. The concrete composite layer is poured on the top of the prefabricated base plate of the composite plate, the bottom of the truss is embedded in the prefabricated base plate of the composite plate, and the top of the truss is higher than the upper surface of the solid base plate of the composite plate and buried in the concrete upper composite layer.

[0006] Although the existing truss structure for prefabricated buildings can improve production efficiency during production, it is not convenient to connect the trusses more firmly, the connection gap is large, it is not convenient for overlapping connections, the operation is cumbersome, and it is inconvenient to use. Therefore, the present invention provides a truss structure for prefabricated buildings that can reduce the connection gap to solve the above-mentioned problems. Summary of the invention

[0007] The object of the present invention is to provide a truss structure for assembled buildings that can reduce the connection gap, so as to solve the problems raised in the above background technology that it is not convenient to connect the trusses more firmly, the connection gap is large, it is not convenient to overlap and connect, the operation is cumbersome, and it is inconvenient to use.

[0008] To achieve the above object, the present invention provides the following technical solution: a truss structure for assembled buildings capable of reducing connection gaps, comprising:

[0009] The first hybrid prefabricated panel has a connection limit plate at its inner end, and a spacer connected to the first hybrid prefabricated panel is provided at the lower end of the connection limit plate, and a support plate is provided at the lower end of the spacer plate, a stabilizing plate is fixedly connected to the lower end of the support plate, and a connecting plate is vertically fixed to the lower end of the stabilizing plate;

[0010] A second hybrid prefabricated panel is arranged between the partition plate and the support plate, and a first lower chord steel plate is arranged at the upper end of the second hybrid prefabricated panel, a second lower chord steel plate is installed at the inner end of the first lower chord steel plate, a bottom plate additional steel bar is arranged at the inner end of the second lower chord steel plate, and a connecting steel plate assembly is installed at the outer end of the second lower chord steel plate;

[0011] An upper chord steel plate is connected to the upper end of the additional steel bars of the bottom plate, and a superimposed connection block is arranged on the outer side of the upper chord steel plate, and a through block is fixed to the outer end of the upper chord steel plate, and a bolt hole is opened at the upper end of the superimposed connection block;

[0012] A support vertical rib is installed at the outer end of the second hybrid prefabricated panel, and a limiting groove is provided inside the support vertical rib, and a connecting component is provided at the outer end of the limiting groove;

[0013] A tight assembly is installed on the upper end of the first lower chord steel plate.

[0014] Preferably, the additional reinforcements of the bottom plate are arranged at equal intervals on the inner end of the second lower chord steel plate, and the additional reinforcements of the bottom plate are in a "V"-shaped structure.

[0015] Preferably, the connecting steel plate assembly is composed of a first steel bar column, a steel bar ring and a second steel bar column;

[0016] a first steel bar column disposed at an outer end of the second lower chord steel plate;

[0017] A steel bar ring mounted on an outer surface of the first steel bar column;

[0018] A second reinforcement column is arranged at the outer end of the reinforcement ring.

[0019] Preferably, the steel bar ring is nested in the outer surface of the first steel bar column, and the steel bar ring is fixedly connected to the second steel bar column.

[0020] Preferably, the connecting assembly is composed of a first limiting plate, a second limiting plate, a limiting hole, a third limiting plate, a first threaded rod and a blocking block;

[0021] A first limiting plate, which is arranged at an outer end of the second hybrid prefabricated plate;

[0022] A second limiting plate, which is installed on the outer side of the first limiting plate and connected to the second hybrid prefabricated plate;

[0023] A limiting hole, which is opened inside the first limiting plate;

[0024] A third limiting plate, which is installed at the outer end of the limiting hole;

[0025] A first threaded rod, which is arranged inside the third limiting plate;

[0026] A blocking block is fixed to the outer end of the first limiting plate.

[0027] Preferably, the second limiting plate and the third limiting plate are arranged to rotate relatively, and the second limiting plate passes through the interior of the first limiting plate through the limiting hole.

[0028] Preferably, the first limiting plate is relatively engaged with the vertical ribs of the support through the limiting groove, and the blocking blocks at the outer ends of the first limiting plate are cross-arranged.

[0029] Preferably, the tightening assembly is composed of a tightening plate, a second threaded rod and a connecting column;

[0030] A compact plate, which is arranged at the upper end of the first lower chord steel plate;

[0031] a second threaded rod mounted inside the compacting plate;

[0032] A connecting column is installed at the lower end of the tight plate.

[0033] Preferably, the cross section of the compacting plate is an "L"-shaped structure, and the compacting plate is relatively engaged with the second lower chord steel plate through a connecting column.

[0034] Preferably, the longitudinal section of the superimposed connecting block is in a "J" shape, and the superimposed connecting block is symmetrically arranged front to back about the transverse axis of the upper chord steel plate.

[0035] Compared with the prior art, the invention has the following beneficial effects: the truss structure for assembled buildings that can reduce the connection gap facilitates the connection between trusses to be more stable, reduces the connection gap, facilitates the overlapping connection, and solves the problem that the existing assembled building trusses are complicated to operate and inconvenient to use;

[0036] Additional reinforcements are arranged at equal intervals at the inner end of the second lower chord steel plate through the bottom plate, and the additional reinforcements are in a "V"-shaped structure. Under the arrangement of the additional reinforcements, the inner end of the second lower chord steel plate is arranged at equal intervals, so that the additional reinforcements of the bottom plate and the first lower chord steel plate form a triangular structure, making the upper end of the second hybrid prefabricated plate more stable. The reinforcement ring is nested on the outer surface of the first reinforcement column, and the reinforcement ring is fixedly connected to the second reinforcement column. The first reinforcement column and the additional reinforcements of the bottom plate are passed through the outer end of the second lower chord steel plate one by one. At this time, the reinforcement ring is passed through the outer end of the first reinforcement column, and is fixed to the outer end of the second lower chord steel plate by welding through the second reinforcement column. The connection between the first reinforcement column and the second lower chord steel plate is more stable through the arrangement of the reinforcement ring and the second reinforcement column.

[0037] The cross section of the tight plate is an "L"-shaped structure, and the tight plate is relatively engaged with the second lower chord steel plate through the connecting column. First, the connecting column is engaged with the inside of the second lower chord steel plate, and the tight plate is fitted with the upper end of the first lower chord steel plate. By rotating the second threaded rod, the tight plate is firmly connected to the first lower chord steel plate and the second lower chord steel plate through the second threaded rod, so that the first lower chord steel plate and the second lower chord steel plate are more tightly connected, and the connection gap is reduced;

[0038] By passing the second limiting plate through the limiting hole, the inner side of the upper end of the first limiting plate slides inside the limiting groove, and the third limiting plate is rotated inside the second limiting plate. By rotating the first threaded rod, the first limiting plate is firmly connected to the second hybrid prefabricated plate. At the same time, the blocking block blocks the outer end of the support vertical rib, so that the support vertical rib is more firmly connected to the second hybrid prefabricated plate and will not be separated from the second hybrid prefabricated plate. The overlapping connection block is set to pass the bolt through the bolt hole, and the adjacent upper and lower groups of second hybrid prefabricated plates can be installed through the penetration block for easy overlapping connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0040] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0041] Figure 3 It is a schematic diagram of the overall structure of the connection part between the connection assembly and the support vertical reinforcement of the present invention;

[0042] Figure 4 For the present invention Figure 1 The enlarged structural diagram at B in the middle;

[0043] Figure 5 It is a schematic diagram of the overall structure of the connection part between the compact assembly and the first lower chord steel plate of the present invention;

[0044] Figure 6 For the present invention Figure 1 The enlarged structural diagram at C in the middle;

[0045] Figure 7 For the present invention Figure 1 Enlarged structural diagram at D in the middle.

[0046] In the figure: 1. first hybrid prefabricated plate; 2. connecting limit plate; 3. spacer plate; 4. support plate; 5. stabilizing plate; 6. connecting plate; 7. second hybrid prefabricated plate; 8. first lower chord steel plate; 9. second lower chord steel plate; 10. additional reinforcement of bottom plate; 11. connecting steel plate assembly; 1101. first reinforcement column; 1102. reinforcement ring; 1103. second reinforcement column; 12. overlapping connection block; 13. upper chord steel plate; 14. through block; 15. bolt hole; 16. support vertical reinforcement; 17. limit groove; 18. connecting assembly; 1801. first limit plate; 1802. second limit plate; 1803. limit hole; 1804. third limit plate; 1805. first threaded rod; 1806. blocking block; 19. tight assembly; 1901. tight plate; 1902. second threaded rod; 1903. connecting column. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] See also Figure 1-7The present invention provides a technical solution: a truss structure for assembled buildings that can reduce connection gaps, comprising a first hybrid prefabricated panel 1, an inner end of which is provided with a connection limit plate 2, and a lower end of the connection limit plate 2 is provided with a partition plate 3 connected to the first hybrid prefabricated panel 1, a second hybrid prefabricated panel 7, which is arranged between the partition plate 3 and the support plate 4, after the second hybrid prefabricated panel 7 is placed between the connection limit plate 2 and the partition plate 3, and a support plate 4 is provided at the lower end of the partition plate 3, the second hybrid prefabricated panel 7 is more stable under the support of the support plate 4, the lower end of the support plate 4 is fixedly connected with a stabilizing plate 5, and the lower end of the stabilizing plate 5 is vertically fixed with a connecting plate 6; after the second hybrid prefabricated panel 7 is placed, the supporting force of the lower side of the inner end of the first hybrid prefabricated panel 1 can be made more firm and more flexible to use, and a first lower chord steel plate 8 is provided at the upper end of the second hybrid prefabricated panel 7, the inner end of the first lower chord steel plate 8 is installed with a second lower chord steel plate 9, and the inner end of the second lower chord steel plate 9 is provided with a bottom The additional steel bars 10 are arranged at equal intervals on the inner end of the second lower chord steel plate 9, and the additional steel bars 10 are arranged in a "V" shape. Under the arrangement of the additional steel bars 10, the inner end of the second lower chord steel plate 9 is arranged at equal intervals, so that the additional steel bars 10 and the first lower chord steel plate 8 form a triangular structure, so that the upper end of the second hybrid prefabricated panel 7 is more stable, and the upper chord steel plate 13 is connected to the upper chord steel plate 13. The upper end of the additional reinforcement 10 of the bottom plate and the outer side of the upper chord steel plate 13 are provided with a superimposed connection block 12, and a through block 14 is fixed to the outer end of the upper chord steel plate 13, and a bolt hole 15 is opened at the upper end of the superimposed connection block 12; the support vertical reinforcement 16 is installed at the outer end of the second hybrid prefabricated panel 7, and a limiting groove 17 is opened inside the support vertical reinforcement 16, and a connecting component 18 is provided at the outer end of the limiting groove 17; the tight component 19 is installed at the upper end of the first lower chord steel plate 8 to make the frame building more stable.

[0049] Specific as Figure 1 , Figure 2 , Figure 5 and Figure 7In the embodiment, the connecting steel plate assembly 11 is composed of a first steel bar column 1101, a steel bar ring 1102 and a second steel bar column 1103; the first steel bar column 1101 is arranged at the outer end of the second lower chord steel plate 9; the steel bar ring 1102 is installed on the outer surface of the first steel bar column 1101; the second steel bar column 1103 is arranged at the outer end of the steel bar ring 1102, the steel bar ring 1102 is nested on the outer surface of the first steel bar column 1101, and the steel bar ring 1102 is fixedly connected to the second steel bar column 1103, the first steel bar column 1101 and the bottom plate additional steel bar 10 are passed through the outer end of the second lower chord steel plate 9 one by one, at this time, the steel bar ring 1102 is passed through the outer end of the first steel bar column 1101, at this time, the second steel bar column 1103 is welded and fixed to the outer end of the second lower chord steel plate 9, and the first steel bar column 1101 is connected to the second lower chord steel plate 9 through the arrangement of the steel bar ring 1102 and the second steel bar column 1103. The connection is more stable, and the tight assembly 19 is composed of a tight plate 1901, a second threaded rod 1902 and a connecting column 1903; the tight plate 1901 is arranged at the upper end of the first lower chord steel plate 8; the second threaded rod 1902 is installed inside the tight plate 1901; the connecting column 1903 is installed at the lower end of the tight plate 1901, and the cross section of the tight plate 1901 is an "L"-shaped structure, and the tight plate 1901 is relatively engaged with the second lower chord steel plate 9 through the connecting column 1903. First, the connecting column 1903 is engaged with the inside of the second lower chord steel plate 9, and at the same time, the tight plate 1901 is fitted with the upper end of the first lower chord steel plate 8. By rotating the second threaded rod 1902, the tight plate 1901 is firmly connected to the first lower chord steel plate 8 and the second lower chord steel plate 9 through the second threaded rod 1902, so that the first lower chord steel plate 8 and the second lower chord steel plate 9 are more tightly connected, and the connection gap is reduced.

[0050] Specific as Figure 3 , Figure 4 and Figure 6In the embodiment, the connection assembly 18 is composed of a first limiting plate 1801, a second limiting plate 1802, a limiting hole 1803, a third limiting plate 1804, a first threaded rod 1805 and a blocking block 1806; the first limiting plate 1801 is arranged at the outer end of the second hybrid prefabricated plate 7; the second limiting plate 1802 is installed on the outer side of the first limiting plate 1801 and connected to the second hybrid prefabricated plate 7; the limiting hole 1803 is opened inside the first limiting plate 1801; the third limiting plate 1804 is installed in the limiting hole 1803 The first threaded rod 1805 is arranged inside the third limiting plate 1804; the blocking block 1806 is fixed to the outer end of the first limiting plate 1801, the second limiting plate 1802 and the third limiting plate 1804 are relatively rotatable, and the second limiting plate 1802 passes through the first limiting plate 1801 through the limiting hole 1803, the first limiting plate 1801 is relatively engaged with the support vertical rib 16 through the limiting groove 17, and the blocking block 1806 at the outer end of the first limiting plate 1801 is cross-arranged, by The plate 1802 is fixed to the outer end of the second hybrid prefabricated plate 7. At this time, the second limiting plate 1802 is passed through the inside of the limiting hole 1803. At this time, the inner side of the upper end of the first limiting plate 1801 slides inside the limiting groove 17, and the third limiting plate 1804 is rotated inside the second limiting plate 1802. The first limiting plate 1801 is firmly connected to the second hybrid prefabricated plate 7 by rotating the first threaded rod 1805. At the same time, the blocking block 1806 blocks the outer end of the support vertical rib 16, so that the support vertical rib 16 The connection with the second hybrid prefabricated panel 7 is more firmly, and it will not be separated from the second hybrid prefabricated panel 7. The longitudinal section of the overlapping connection block 12 is in the shape of a "J", and the overlapping connection block 12 is symmetrically arranged front and back about the horizontal axis of the upper chord steel plate 13. Through the arrangement of the overlapping connection block 12, the bolts are passed through the inside of the bolt hole 15, and the adjacent upper and lower groups of second hybrid prefabricated panels 7 can be installed through the penetration block 14, which is convenient for overlapping connection and easy to use. This is the method of using the truss structure for assembled buildings that can reduce the connection gap.

[0051] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0052] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A truss structure for assembled buildings capable of reducing connection gaps, characterized in that: Including: The first hybrid precast slab, at its inner end is provided with a connecting limit plate, and at the lower end of the connecting limit plate is provided with a spacer plate connected to the first hybrid precast slab, and at the lower end of the spacer plate is provided with a support plate, the lower end of the support plate is fixedly connected with a stabilizing plate, and perpendicularly fixed to the lower end of the stabilizing plate is a connecting plate; The second hybrid precast slab, which is arranged between the spacer plate and the support plate, and at the upper end of the second hybrid precast slab is provided with a first lower chord steel plate, at the inner end of the first lower chord steel plate is installed a second lower chord steel plate, at the inner end of the second lower chord steel plate is provided with bottom additional steel bars, and at the outer end of the second lower chord steel plate is installed a connecting steel plate assembly; The upper chord steel plate, which is connected to the upper end of the bottom additional steel bars, and on the outer side of the upper chord steel plate is provided with a laminated connecting block, and at the outer end of the upper chord steel plate is fixed a penetrating block, and bolt holes are opened at the upper end of the laminated connecting block; The support vertical bars, which are installed at the outer end of the second hybrid precast slab, and a limiting groove is opened inside the support vertical bars, and a connecting component is arranged at the outer end of the limiting groove; The tightening component, which is installed at the upper end of the first lower chord steel plate, and the tightening component is composed of a tightening plate, a second threaded rod and a connecting column; the tightening plate, which is arranged at the upper end of the first lower chord steel plate; the second threaded rod, which is installed inside the tightening plate; the connecting column, which is installed at the lower end of the tightening plate, the cross section of the tightening plate is an "L" - shaped structure, and the tightening plate is relatively clamped with the second lower chord steel plate through the connecting column.

2. The truss structure for assembled buildings capable of reducing connection gaps according to claim 1, characterized in that: The bottom additional steel bars are arranged at equal intervals at the inner end of the second lower chord steel plate, and the bottom additional steel bars are in a "V" - shaped structure.

3. The truss structure for assembled buildings capable of reducing connection gaps according to claim 1, characterized in that: The connecting steel plate assembly is composed of a first steel bar column, a steel bar ring and a second steel bar column; The first steel bar column, which is arranged at the outer end of the second lower chord steel plate; The steel bar ring, which is installed on the outer surface of the first steel bar column; The second steel bar column, which is arranged at the outer end of the steel bar ring.

4. The truss structure for assembled buildings capable of reducing connection gaps according to claim 3, characterized in that: The steel bar ring is nested on the outer surface of the first steel bar column, and the steel bar ring is fixedly connected with the second steel bar column.

5. The truss structure for assembled buildings capable of reducing connection gaps according to claim 1, characterized in that: The connecting component is composed of a first limiting plate, a second limiting plate, a limiting hole, a third limiting plate, a first threaded rod and a blocking block; The first limiting plate, which is arranged at the outer end of the second hybrid precast slab; The second limiting plate, which is installed on the outer side of the first limiting plate and connected to the second hybrid precast slab; The limiting hole, which is opened inside the first limiting plate; The third limiting plate, which is installed at the outer end of the limiting hole; The first threaded rod, which is arranged inside the third limiting plate; The blocking block, which is fixed at the outer end of the first limiting plate.

6. The truss structure for assembled buildings capable of reducing connection gaps according to claim 5, characterized in that: The second limiting plate and the third limiting plate are relatively rotatably arranged, and the second limiting plate passes through the inside of the first limiting plate through the limiting hole.

7. The assembled building truss structure capable of reducing connection gaps according to claim 5, characterized in that: The first limiting plate is relatively clamped with the support vertical bars through the limiting groove, and the blocking blocks at the outer end of the first limiting plate are arranged in a cross - shaped manner.

8. The assembled building truss structure capable of reducing connection gaps according to claim 1, characterized in that: The longitudinal section of the laminated connecting block is in a "ji" - shaped, and the laminated connecting block is symmetrically arranged about the transverse axis of the upper chord steel plate.

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