Reinforcing and repairing structure for purlin and beam joint of ancient building

Abstract

The invention relates to protection and repair of purlin and beam joints of ancient buildings, in particular to a reinforcement and repair structure of purlin and beam joints of ancient buildings. The reinforced ancient building purlin and beam joint reinforcing and repairing structure is convenient to assemble, splice, disassemble and maintain. The fixing device comprises a beam body, a purlin, a clamping structure, a tensioning structure and the like, wherein the clamping structure and the tensioning structure which can be combined and spliced with each other are arranged between the beam body and the purlin. According to the fixing device, relevant parameters are accurately measured for an ancient building body structure firstly, and then the fixing device can be customized in a targeted mode according to the exact parameters, so that the purpose of repairing and reinforcing the joints of purlins and beam bodies can be achieved through ingenious splicing and assembling of the fixing device; and under the condition that the structure of an ancient building body is not damaged, the firmness and the tensile strength of the connecting structure at the joint of the purlin and the beam body can be enhanced, the use safety of the ancient building is guaranteed, and the fixing device is convenient to disassemble and maintain subsequently.

Description

Technical Field

[0001] The invention relates to the protection and repair of purlin and beam joints of ancient buildings, and in particular to a reinforcement and repair structure of purlin and beam joints of ancient buildings. Background Art

[0002] Since the ancient buildings in Hainan, my country are greatly affected by local climatic conditions, the repair and management of ancient buildings have become increasingly arduous, especially the nodes between purlins and beams, which are one of the main load-bearing structures. The repair of the nodes between purlins and beams can not only enhance the load-bearing capacity of ancient buildings and reduce safety hazards, but also help to extend the service life of ancient buildings.

[0003] An invention patent for a reinforcement and repair structure for the joints of purlins and beams of ancient buildings has been published on the China Patent Network. Its authorization announcement number is CN105863295B, and its application date is June 1, 2016. The fixing device adds pillows on the left and right sides of the beam head, and opens mortises and dovetail mortises on the beam head, so that the hidden tenons and dovetail tenons can plug the beam head and the pillow wood, thereby achieving the purpose of strengthening the anti-torsion performance of the node. Since the fixing device needs to punch holes at the beam head of the ancient building to achieve the purpose of strengthening and fixing, this operation undoubtedly causes a certain degree of damage to the structural body of the ancient building, and the fixing device has limited support and fixing strength for the purlins, it is difficult to effectively connect and reinforce the purlins and beams with the square body and column into an integral structure, and it is also not convenient for subsequent convenient disassembly, removal and replacement, and it is not convenient to use.

[0004] In view of this, it is very necessary to improve and upgrade the above-mentioned technical problems, and especially propose a reinforced ancient building purlin and beam node reinforcement and repair structure that is easy to assemble, splice, disassemble and maintain. Summary of the invention

[0005] In order to overcome the shortcomings of existing fixing devices for repairing ancient buildings, such as insufficient supporting and fixing strength, and inconvenience for subsequent quick disassembly and maintenance, the technical problem of the present invention is to provide a reinforced ancient building purlin and beam node reinforcement and repair structure that is easy to assemble, splice, disassemble and maintain.

[0006] The technical implementation scheme of the present invention is: a reinforcement and repair structure for the purlin and beam nodes of ancient buildings, including a column, a beam, a purlin, a tongue and a pad, and also including a clamping structure, a tensioning structure and a supporting structure. A clamping structure and a tensioning structure that can be combined and assembled with each other are arranged between the beam body and the purlin. The clamping structure includes a clamping block, a connecting block and a clamping block. The number of the clamping blocks is two, and they are respectively overlapped on the outside of the purlin in an embracing manner. Bayonet holes are symmetrically opened on both sides of the bottom of the two clamping blocks. A clamping block that can be engaged with the bayonet hole is arranged on the upper end of the connecting block. The clamping block is inserted into the bayonet hole from the outside to the inside. The tensioning structure is arranged between the connecting blocks, and a supporting structure for strengthening the connecting structure is arranged between the beam body and the connecting block.

[0007] As a further improvement of the above technical solution, the tensioning structure includes a support seat, a dovetail tenon, a pull plate, an insert block and a protrusion, two support seats are overlapped on the beam body, dovetail tenons are provided on the opposite side of the two support seats, and the dovetail tenons are inserted into the mortise from top to bottom, and the connecting block and the middle part of the support seat are respectively provided with through holes and through grooves for passing the pull plate, adjustment holes are respectively provided at both ends of the pull plate, and insert blocks are inserted in the adjustment holes, and a protrusion is provided at the inner end of the insert block, and an oblique mouth matched with the protrusion is provided on the outer side of the connecting block, and the inner side of the insert block abuts against the connecting block, and limiting grooves are respectively provided on the back side of the two support seats, and the inner side of the pad can be clamped in the limiting groove.

[0008] As a further improvement of the above technical solution, the tightening structure includes a tightening block and a pin, the tightening block is inserted between the connecting block and the beam body, the side of the connecting block in contact with the tightening block is designed as an inclined surface structure that is wide on the outside and narrow on the inside, the side of the tightening block in contact with the connecting block is adapted to the inclined surface structure, the other side of the tightening block abuts against the beam body, a slot that is wide on the outside and narrow on the inside is provided on the tightening block, and an inclined groove that is wide on the outside and narrow on the inside is provided on the side of the connecting block corresponding to the slot, and a pin is inserted between the slot and the inclined groove.

[0009] As a further improvement of the above technical solution, an opening is provided at the lower side of the middle portion of the clamping block, and the opening is consistent with the width of the beam body, so that the lower portion of the clamping block can be just clamped on the beam body.

[0010] As a further improvement of the above technical solution, an arcuate surface adapted to the outer side wall of the purlin is provided on one opposite side of the two clamping blocks, and the arcuate surface wraps over more than two-thirds of the area of ​​the outer side wall of the purlin.

[0011] As a further improvement of the above technical solution, it also includes a hooking structure, which includes a hook block and a connecting block, and the lower part of the connecting block and the upper part of the hook block are respectively provided with a connecting groove 1 and a connecting groove 2, and a connecting block for connecting the hook block with the connecting block is inserted between the connecting groove 1 and the connecting groove 2, and the lower part of the hook block is hung on the lower side of the beam body.

[0012] As a further improvement of the above technical solution, the ends of the insert block, the latch pin and the connecting block are all provided with notches for reverse disassembly thereof.

[0013] As a further improvement of the above technical solution, it also includes a clamping structure, which includes a clamping arm and a positioning pin. The hook block and the clamping arm are respectively provided with interconnected positioning holes and hole grooves, and the positioning pins are inserted into the positioning holes and hole grooves for fixing the clamping arm in a surrounding manner to the outside of the column.

[0014] The beneficial effects of the present invention are as follows: the present invention first accurately measures the relevant parameters of the main structure of the ancient building, and then can customize the fixing device in a targeted manner according to the exact parameters, so that the fixing device can achieve the purpose of repairing and reinforcing the nodes between the purlin and the beam body through clever splicing and assembly; and without destroying the main structure of the ancient building, not only can the firmness and tensile strength of the connection structure at the node between the purlin and the beam body be enhanced, and the safety of the use of the ancient building be guaranteed, but also the subsequent disassembly and maintenance of the fixing device is also convenient, the use is flexible and convenient, the application range is wide, and the integrity and historical and cultural value of the ancient building can be effectively protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overlap of the nodes of the purlin and the beam before reinforcement according to the present invention.

[0016] Figure 2 It is a schematic diagram of the overlap of the nodes of the reinforced purlin and beam body of the present invention.

[0017] Figure 3 The exploded view of the present invention is to reinforce the front purlin and beam body.

[0018] Figure 4 It is a schematic diagram of the combined state of the reinforcement structure of the present invention.

[0019] Figure 5 It is an exploded view of the reinforcement structure of the present invention.

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the clamping structure of the present invention.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the tensioning structure of the present invention.

[0022] Figure 8 It is a three-dimensional structural schematic diagram of the supporting structure of the present invention.

[0023] Figure 9 It is a schematic diagram of the three-dimensional structure of the hooking structure of the present invention.

[0024] Figure 10 It is a three-dimensional structural schematic diagram of the holding structure of the present invention.

[0025] The meanings of the reference numerals in the figure are as follows: 1: column, 10: installation groove, 2: beam body, 3: beam body, 30: positioning groove, 31: mortise, 4: purlin, 40: latch, 41: latch groove, 42: pad, 5: clamping structure, 50: clamping block, 51: latch, 52: connecting block, 53: inclined surface, 54: clamping block, 55: through hole, 56: oblique mouth, 57: oblique groove, 58: connecting groove 1, 59: opening, 6: tensioning structure , 60: support seat, 61: dovetail tenon, 62: limit groove, 63: through groove, 64: pull plate, 65: adjustment hole, 66: plug block, 67: protrusion, 7: tightening structure, 70: tightening block, 71: slot, 72: latch, 8: hooking structure, 80: hook block, 81: connecting groove two, 82: connecting block, 83: positioning hole, 9: holding structure, 90: holding arm, 91: hole groove, 92: positioning pin, a: notch. DETAILED DESCRIPTION

[0026] 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.

[0027] Embodiment: The reinforcement and repair structure of the purlin and beam nodes of ancient buildings provided by the present invention is as follows: Figures 1 to 8As shown, it includes a column 1, a square body 2, a beam body 3, a purlin 4, a tongue 40, a pad 42, a clamping structure 5, a tensioning structure 6 and a bracing structure 7. The upper part of the column 1 is provided with a mounting groove 10, and the square body 2 is overlapped in the mounting groove 10, and the upper end of the square body 2 is flush with the end of the column 1; the upper part of the column 1 and the square body 2 are overlapped with the beam body 3, and the beam body 3 is provided with a positioning groove 30 for overlapping the purlin 4, and the lower part of the beam body 3 is provided with a tongue 40, a pad 42, a clamping structure 5, a tensioning structure 6 and a bracing structure 7. The purlin 4 is provided with a groove 41, and a pad 42 is overlapped between the purlin 4 and the groove 41, and the lower end of the pad 42 is abutted against the beam body 2. A tongue 40 is provided on the purlin 4 on one side, and a mortise 31 that is engaged with the tongue 40 is provided on the purlin 4 on the other side. The purlins 4 on both sides are connected and fixed by the engagement of the tongue 40 and the mortise 31. A clamping structure 5 and a tensioning structure 6 are provided between the beam body 3 and the purlin 4. The clamping structure 5 includes a clamping block 50, a connecting block 52 and a clamping block 54, there are two clamping blocks 50, and they are respectively overlapped on the outer side of the purlin 4 in an embracing manner. An opening 59 is opened on the lower side of the middle part of the two clamping blocks 50, and the opening 59 is consistent with the width of the beam body 3, so that the lower part of the clamping block 50 can be just clamped on the beam body 3, which is conducive to enhancing the stability of the structure of the fixing device and the convenience of installation; the two clamping blocks 50 are symmetrically opened on both sides of the bottom, and a clamping block 54 that can be clamped and matched with the clamping block 51 is arranged on the upper end of the connecting block 52, and the clamping block 54 is inserted into the clamping block 51 from the outside to the inside, and the tensioning structure 6 is arranged between the connecting blocks 52, and a tightening structure 7 for strengthening the connection structure is arranged between the beam body 3 and the connecting block 52; wherein the clamping structure 5, the tensioning structure 6 and the tightening structure 7 can be combined and assembled with each other and conveniently disassembled, which can play the purpose of reinforcing and repairing the ancient building structure without damaging the main structure of the ancient building.

[0028] Further, such as Figure 2 , Figure 4 , Figure 5 and Figure 7As shown in the figure, the tensioning structure 6 includes a support base 60, a dovetail tenon 61, a pull plate 64, a plug 66 and a protrusion 67. Two support bases 60 are lapped on the square timber body 2. Dovetail tenons 61 are arranged on one side of the two support bases 60 facing each other, and the dovetail tenons 61 are inserted into the mortises 31 from top to bottom. Through holes 55 for passing the pull plate 64 and through grooves 63 are respectively arranged through the connecting block 52 and the middle part of the support base 60. Adjusting holes 65 are arranged at both ends of the pull plate 64, plugs 66 are inserted into the adjusting holes 65, protrusions 67 are arranged at the inner ends of the plugs 66, inclined openings 56 adapted to the protrusions 67 are arranged on the outer side of the connecting block 52, and the inner sides of the plugs 66 are abutted against the connecting block 52. Limiting grooves 62 are respectively arranged on the sides of the two support bases 60 facing away from each other, and the inner side of the backing plate 42 can be clamped in the limiting grooves 62. Through the tensioning structure 6, the clamping structure 5 can be tightened, so that the clamping blocks 50 can be firmly clamped around the outer wall of the purlin 4 without causing any damage to the structure of the ancient building body.

[0029] Further, as Figure 5 and Figure 6 shown, arc-shaped surfaces adapted to the outer side wall of the purlin 4 are arranged on one side of the two clamping blocks 50 facing each other, and the arc-shaped surfaces wrap more than two-thirds of the area of the outer side wall of the purlin 4, which is beneficial to form a surrounding clamping and fixing of the purlin 4. This method will not cause any damage to the purlin 4, and thus is beneficial to protecting the integrity of the structure of the ancient building body to the greatest extent.

[0030] Further, as Figure 2 、 Figure 4 、 Figure 5 and Figure 8 shown, the tightening structure 7 includes a tightening block 70 and a pin 72. A tightening block 70 is inserted between the connecting block 52 and the beam body 3. The surface of the connecting block 52 in contact with the tightening block 70 is designed with an inclined surface 53 structure that is wide outside and narrow inside. The surface of the tightening block 70 in contact with the connecting block 52 is adapted to the inclined surface 53 structure. The other surface of the tightening block 70 abuts against the beam body 3. A slot 71 that is wide outside and narrow inside is opened on the tightening block 70. Inclined grooves 57 that are wide outside and narrow inside are respectively arranged on the side of the connecting block 52 corresponding to the slot 71. A pin 72 is inserted between the slot 71 and the inclined groove 57; through the tightening structure 7, the stability of the connection between the purlin 4 and the beam body 3 can be further enhanced.

[0031] Further, as Figure 2 、 Figure 4 、 Figure 5 and Figure 9As shown, it also includes a hooking structure 8, which includes a hook block 80 and a connecting block 82. A connecting groove 1 58 and a connecting groove 2 81 are respectively provided at the lower part of the connecting block 52 and the upper part of the hook block 80. A connecting block 82 for connecting the hook block 80 with the connecting block 52 is inserted between the connecting groove 1 58 and the connecting groove 2 81, and the lower part of the hook block 80 is hung on the lower side of the beam body 2; by hanging the hook block 80 on the beam body 2 and connecting it with the connecting block 5, the tensile performance of the overall structure of the fixing device can be further improved, which is conducive to being applicable to various complex climate environments and has a wide range of applications.

[0032] In addition, if Figure 2 , Figure 4 , Figure 5 and Figure 10 As shown, it also includes a clamping structure 9, which includes a clamping arm 90 and a positioning pin 92. The hook block 80 and the clamping arm 90 are respectively provided with a connected positioning hole 83 and a hole groove 91, and the positioning pin 92 is inserted in the positioning hole 83 and the hole groove 91, which is used to fix the clamping arm 90 to the outside of the column 1 in a surrounding manner. Through the fixed connection effect of the positioning pin 92, the clamping arm 90 can fix the hook block 80 and the column 1 into an integral structure, which is beneficial to further improve the stability of the fixing device; wherein the ends of the plug block 66, the latch pin 72 and the connecting block 82 are all provided with a notch a, and the outer end of the positioning pin 92 is designed as a boss structure, which is beneficial to use tools to reversely pull and disassemble the plug block 66, the latch pin 72, the connecting block 82 and the positioning pin 92 respectively during subsequent maintenance and repair, which is flexible and convenient to use.

[0033] When it is necessary to repair and reinforce the nodes between the purlin 4 and the beam 3 in the ancient building, the relevant parameters of the column 1, the beam 2, the purlin 4 and the beam 3 can be measured and recorded first, and then the fixing device can be customized according to the actual measured parameters to achieve the best fixing and repair effect, so as to enhance the connection structure and safety of the ancient building. The specific splicing and assembly method is as follows: First, the two clamping blocks 50 are clamped on the beam body 3 respectively, and then the end of the connecting block 52 with the clamping block 54 is clamped on the clamping hole 51 of the clamping block 50 from the outside to the inside, and then the support seat 60 is inserted into the beam body 3 from top to bottom until the bottom of the support seat 60 contacts the beam body 2, and then the purlin 4 and the pad 42 are installed and reset so that one end of the pad 42 can be clamped in the limit groove 62 of the support seat 60, and then the pull plate 64 is inserted into the through hole 55 and the through groove 63 of the connecting block 52 and the support seat 60. Then, the insert block 66 is horizontally inserted into the adjustment hole 65 of the pull plate 64. Through the abutment and cooperation of the protrusion 67 set at the end of the insert block 66 and the oblique opening 56 on the connecting block 52, the connecting block 52, the clamping block 54 and the clamping block 50 can be tightened and closed together, so that the two clamping blocks 50 can clamp and fix the overlapping purlins 4 in a ring-shaped manner, which is beneficial to improve the firmness of the connection between the purlin 4 and the beam body 3 at the node; then, the side with the slot 71 on the tightening block 70 is opposite to the oblique surface 53 on the connecting block 52. The tension block 70 is inserted between the connecting block 52 and the beam body 3, and the latch 72 is inserted between the inclined groove 57 and the slot 71, so that the tension block 70 can push the connecting block 52 to tighten each other, thereby enhancing the tensile strength and stability of the connection between the beam body 3 and the purlin 4; in addition, the lower part of the hook block 80 is respectively hung on the beam body 2, and the connecting block 82 is inserted into the connecting groove 1 58 and the connecting groove 2 81. Through the pulling action of the hook block 80 and the connecting block 82, the purlin 4 and the beam body 3 can be further enhanced. Tensile strength and stability: by assembling the clamping arm 90 on the outside of the column 1, and aligning the hole groove 91 on the clamping arm 90 with the positioning hole 83 on the hook block 80, and inserting the positioning pin 92 from the outside to the inside into the hole groove 91 and the positioning hole 83, the two clamping arms 90 can be fixed on the column 1 in an embracing manner, and the four hook blocks 80 of the same group can be connected to each other firmly, which is beneficial to further enhance the stability and tensile strength of the overall connection structure of the purlin 4, the beam 3, the square body 2 and the column 1.

[0034] When the fixing device needs to be disassembled, maintained or replaced later, the positioning pin 92, the connecting block 82, the latch pin 72 and the insert block 66 are pulled out in sequence, and the fixing device can be conveniently disassembled and removed without destroying the main structure of the ancient building, which is flexible and convenient to use; and the fixing device does not need to punch holes on the beam body 3 or the purlin 4, that is, it can protect the overall structure of the ancient building to the greatest extent without destroying the main structure of the ancient building, and has the characteristics of good tensile strength and stable structure.

[0035] While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A structure for reinforcing and repairing the joints of purlins and beams of ancient buildings, comprising a column (1), a beam (2), a beam (3), a purlin (4), a tongue (40) and a pad (42), wherein: The invention also comprises a clamping structure (5), a tensioning structure (6) and a bracing structure (7). The clamping structure (5) and the tensioning structure (6) which can be assembled and assembled with each other are arranged between the beam body (3) and the purlin (4). The clamping structure (5) comprises a clamping block (50), a connecting block (52) and a clamping block (54). There are two clamping blocks (50) which are respectively overlapped on the outer side of the purlin (4) in an embracing manner. Snap-ons (51) are symmetrically provided on both sides of the bottom of the two clamping blocks (50). A clamping block (54) which can be snap-fitted with the snap-ons (51) is arranged at the upper end of the connecting block (52). The clamping block (54) is plugged into the snap-ons (51) from the outside to the inside. The tensioning structure (6) is arranged between the connecting blocks (52). A bracing structure (7) for strengthening the connection structure is arranged between the beam body (3) and the connecting blocks (52).

2. The ancient building purlin and beam node reinforcement and repair structure according to claim 1 is characterized by: The tensioning structure (6) comprises a support seat (60), a dovetail tenon (61), a pull plate (64), an insert block (66) and a protrusion (67). Two support seats (60) are overlapped on the beam body (2). Dovetail tenons (61) are arranged on opposite sides of the two support seats (60), and the dovetail tenons (61) are inserted into the mortise (31) from top to bottom. A through hole (55) and a through groove (63) for passing the pull plate (64) are respectively arranged in the middle of the connection block (52) and the support seat (60). Adjustment holes (65) are respectively provided at both ends of the pull plate (64), an insert block (66) is inserted into the adjustment hole (65), a protrusion (67) is provided at the inner end of the insert block (66), an oblique opening (56) matched with the protrusion (67) is provided on the outer side of the connection block (52), and the inner side of the insert block (66) abuts against the connection block (52), and the two support seats (60) are respectively provided with a limiting groove (62) on the back side, and the inner side of the pad (42) can be snapped into the limiting groove (62).

3. The ancient building purlin and beam node reinforcement and repair structure according to claim 1 is characterized by: The tightening structure (7) comprises a tightening block (70) and a latch (72); the tightening block (70) is inserted between the connecting block (52) and the beam body (3); the side of the connecting block (52) in contact with the tightening block (70) is designed as an oblique surface (53) structure that is wide outside and narrow inside; the side of the tightening block (70) in contact with the connecting block (52) is adapted to the oblique surface (53) structure; the other side of the tightening block (70) abuts against the beam body (3); the tightening block (70) is provided with a slot (71) that is wide outside and narrow inside; the connecting block (52) is provided with an oblique groove (57) that is wide outside and narrow inside on one side corresponding to the slot (71); and the latch (72) is inserted between the slot (71) and the oblique groove (57).

4. The ancient building purlin and beam node reinforcement and repair structure according to claim 1 is characterized in that: An opening (59) is provided at the lower middle side of the clamping block (50), and the opening (59) is consistent with the width of the beam body (3), so that the lower part of the clamping block (50) can be just clamped on the beam body (3).

5. The reinforcement and repair structure for the joints of purlins and beams of ancient buildings according to claim 1 is characterized in that: An arcuate surface matching the outer side wall of the purlin (4) is provided on one side opposite to the two clamping blocks (50), and the arcuate surface covers more than two thirds of the area of ​​the outer side wall of the purlin (4).

6. The ancient building purlin and beam node reinforcement and repair structure according to claim 1 is characterized by: The invention also comprises a hooking structure (8), wherein the hooking structure (8) comprises a hook block (80) and a connecting block (82), wherein a first connecting groove (58) and a second connecting groove (81) are respectively provided at the lower part of the connecting block (52) and the upper part of the hook block (80), and a connecting block (82) for connecting the hook block (80) with the connecting block (52) is inserted between the first connecting groove (58) and the second connecting groove (81), and the lower part of the hook block (80) is hung on the lower side of the beam body (2).

7. The reinforcement and repair structure for the joints of purlins and beams of ancient buildings according to claim 6 is characterized by: The ends of the insert block (66), the latch pin (72) and the connecting block (82) are all provided with notches (a) for reverse disassembly thereof.

8. The reinforcement and repair structure for the joints of purlins and beams of ancient buildings according to claim 6 is characterized by: It also includes a clamping structure (9), the clamping structure (9) including a clamping arm (90) and a positioning pin (92), the hook block (80) and the clamping arm (90) are respectively provided with a communicating positioning hole (83) and a hole groove (91), the positioning hole (83) and the hole groove (91) are inserted with a positioning pin (92), and are used to fix the clamping arm (90) in a surrounding manner outside the column (1).

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