CN211548057U - Adopt reinforced (rfd) cross tenon fourth of twelve earthly branches node from resetting means of hidden - Google Patents

Adopt reinforced (rfd) cross tenon fourth of twelve earthly branches node from resetting means of hidden Download PDF

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Publication number
CN211548057U
CN211548057U CN201922337399.3U CN201922337399U CN211548057U CN 211548057 U CN211548057 U CN 211548057U CN 201922337399 U CN201922337399 U CN 201922337399U CN 211548057 U CN211548057 U CN 211548057U
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resetting
self
mortise
wood
tenon joint
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CN201922337399.3U
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鲁启超
张锡成
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Abstract

The utility model discloses a cross mortise and tenon joint reinforced by adopting a concealed self-resetting device, which comprises a wood column and a wood frame consisting of wood beams connected to the wood column through mortise and tenon joints, wherein the upper side and the lower side of the wood beam in mortise and tenon joint with the wood beams are respectively provided with a groove, and a pair of self-resetting devices are hinged in the grooves through a base fixed on the beams; the self-resetting device is formed by vertically meshing and overlapping an upper serrated plate and a lower serrated plate, penetrates through the two serrated plates through a screw rod, and is connected through a nut padded with a disc spring. The device can improve the bearing capacity of the mortise and tenon joint without changing the stress characteristic of the mortise and tenon joint, transmits energy to the self-resetting device to consume energy, reduces the tenon pulling amount, has the self-resetting function after the earthquake, and can prolong the service life of the mortise and tenon joint.

Description

Adopt reinforced (rfd) cross tenon fourth of twelve earthly branches node from resetting means of hidden
Technical Field
The utility model belongs to the technical field of ancient building timber structure shock attenuation power consumption, in particular to adopt hidden from the reinforced cross tenon fourth of twelve earthly branches node of resetting means.
Background
The ancient architecture wood structure is aged and damaged in different degrees due to the fact that countless adverse factors such as wind, rain, earthquake, war, microbial corrosion and the like are experienced in the ancient architecture wood structure, and therefore the ancient architecture wood structure is a problem to be solved urgently at present. The ancient building timber structure tenon fourth of twelve earthly branches node not only can produce certain rotation and can also undertake certain moment of flexure load and have typical semirigid characteristics, and on the one hand it has good shock attenuation power consumption effect, and on the other hand the most fragile position in the ancient building timber structure of tenon fourth of twelve earthly branches node destroys and often takes place in tenon fourth of twelve earthly branches node.
The historic building timber structure beam column node mainly adopts a mortise-tenon joint mode, mainly comprises a dovetail joint and a straight tenon joint mode, and is typical semi-rigid connection. The bearing capacity and the bending rigidity are low, and in the using process, the residual deformation which cannot be automatically recovered is easily generated due to extrusion deformation under the action of natural environment and earthquake, so that the mortise and tenon joint is loosened, the inclination of the whole structure is inclined and sudden changed, the service life and the use safety of the structure are seriously threatened, the mortise and tenon joint is a weak position of the structure, and the bearing capacity and the anti-seismic performance of the wood frame can be effectively improved through reinforcing the joint.
The traditional method for reinforcing and repairing the mortise and tenon joints has several key disadvantages: (1) affecting the architectural appearance of the structure. (2) The problems of extrusion damage and tenon drawing damage of the tenon and the mortise head cannot be solved effectively. (3) Lack of self-resetting properties.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cross mortise and tenon joint reinforced by adopting a concealed self-resetting device, which effectively solves the defects of visual structure appearance, extrusion damage of tenons and mortise ports, tenon pulling damage and lack of self-resetting in the traditional method; on the premise of not changing the stress characteristics of the mortise and tenon joints, the bearing capacity of the mortise and tenon joints can be improved, energy is transmitted to the self-resetting device to consume energy, the tenon pulling amount is reduced, and the device has the self-resetting function after an earthquake, so that the service life of the mortise and tenon joints can be prolonged.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
according to an embodiment provided by the utility model, the utility model provides a cross mortise and tenon joint reinforced by adopting a concealed self-resetting device, which comprises a wood column and a wood frame consisting of a wood beam connected on the wood column through the mortise and tenon joint, wherein the upper side and the lower side of the mortise and tenon joint of the wood beam and the wood beam are respectively provided with a groove, and a pair of self-resetting devices are hinged in the grooves through a base fixed on the beam;
the self-reset device is formed by an upper serrated plate and a lower serrated plate which are meshed up and down and are overlapped together, penetrates through the two serrated plates through a screw rod and is connected through a nut padded with a disc spring.
In the scheme, the pair of self-resetting devices are hinged in the groove through the screw rod and tightly attached to the bottom surface of the groove.
In the above scheme, the serrated plate comprises a serrated section and a connecting section, the serrated section is provided with meshing teeth and a screw through hole, the connecting sections at two ends of the serrated plate after being mutually overlapped extend out of an overlapping end, and the end part of the serrated plate is provided with a connecting hole.
In the above scheme, the screw through hole formed in the sawtooth section is an oblong hole along the length direction.
In the scheme, the disc springs are respectively padded between the nuts and the sawtooth sections of the sawtooth plate, and the adjacent disc springs are mutually buckled and butted.
In the scheme, the cross section of the meshing tooth is triangular or rectangular.
In the scheme, the tooth spaces of the meshing teeth of the upper and lower sawtooth plates are equal and the cross sections of the meshing teeth of the upper and lower sawtooth plates are equal.
In the scheme, the two pairs of beam upper bases respectively clamp the connecting sections of the two zigzag plates which are overlapped with each other, and the two zigzag plates are hinged through the screw; the articulated connecting section of base is the semi-cylindrical structure.
The utility model discloses following beneficial effect has:
the utility model provides an adopt the reinforced (rfd) cross tenon fourth of twelve earthly branches node of hidden from reset device establishes a pair ofly from reset device and articulates the tank bottom at wood beam and wood beam tenon fourth of twelve earthly branches butt joint through adding, and it has extremely strong power consumption from reset ability. The utility model discloses a structural style is simple, and the simple easy operation of construction, the connected mode between the component is simple, and each component can be prefabricated into the piece in advance, can install and dismantle and change at the scene fast through the manual work between each component. The utility model discloses an equal low in cost of material of whole components and be convenient for obtain. The utility model discloses the node is extensive from restoring to throne energy dissipation attenuator application prospect, both can be used for the protection of timber structure ancient building to repair work, also can play a role in modern timber structure. The utility model discloses have good disguise, whole device can not destroy the outward appearance of timber structure ancient building in tenon fourth of twelve earthly branches node department to protect its historical landscape and building outward appearance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
FIG. 1 is a schematic view of the present invention after installation;
FIG. 2 is a schematic view of the construction form of the present invention;
FIG. 3 is a partially enlarged schematic view of the present invention;
fig. 4 is a perspective schematic view of the connection of the tenon-and-mortise joint and the beam.
The reference numerals in the drawings denote: 1. a wood column; 2. a wood beam; 3. a self-resetting device; 4. a serrated plate; 5. a screw; 6. a nut; 7. a through hole; 8. a disc spring; 9. a base; 10. a groove.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
Fig. 1 shows an overall exploded schematic view of each component of the device, as shown in fig. 1, the cross-shaped mortise-tenon joint reinforced by the hidden self-resetting device comprises a wood column 1 and a wood framework formed by wood beams 2 connected to the wood column 1 through the mortise-tenon joint, the upper side surface and the lower side surface of the wood beam 2 of the wood framework, which are in mortise-tenon joint with the wood beam 2, are respectively provided with a groove 10, and the self-resetting device 3 is placed at the bottom of the groove. The semi-cylindrical structures at both ends of the self-resetting device are respectively connected with a base 9 fixed on the beam through a screw 5 (the outside is fixed by a nut 6), and the base 9 is hinged with both ends of the self-resetting device.
As shown in fig. 2 and fig. 3, the serration plate 4 of the self-resetting device comprises a serration section and a connection section, wherein the serration section is provided with meshing teeth and a screw through hole 7, the screw 5 is inserted into the through hole 7, and a plurality of belleville springs 8 are sleeved on the screws 5 at two ends until the screws are just attached to the serration plate 4. The connecting sections at the two ends of the zigzag plates after being overlapped extend out of the overlapping ends, and the end parts are provided with connecting holes. As shown in figure 3, the two sawtooth plates are respectively connected and fixed with a base 9 through a screw 5 and a nut 6 padded with a disc spring 8 through semi-cylindrical structures at two ends. The disc springs 8 are respectively padded between the nuts 6 and the sawtooth sections of the sawtooth plate, and the adjacent disc springs are mutually buckled and butted. The cross section of the meshing teeth is triangular or rectangular, the tooth space of the meshing teeth of the upper and lower sawtooth plates should be the same, and the cross section shapes are the same. The screw through hole 7 formed on the sawtooth section is a long round hole along the length direction.
As shown in fig. 4, the self-resetting device 3 is arranged in a wood column 1, and two wood beams 2 are connected through mortise and tenon joints.
When an earthquake occurs, the beam column tilts, the self-resetting device hinged with the beam column can rotate at a certain angle, two saw-toothed plates respectively connected with the two beams displace in opposite directions under the tensioning action of the beams, and at the moment, the belleville springs are pulled to store energy so that the device can fully consume energy; when the earthquake passes, the belleville spring releases energy to enable the device to be self-reset.
It should be noted that the above mentioned embodiments are only preferred embodiments of the present component, but the protection scope of the present component is not limited thereto, and any modification, decoration, change or replacement which can be easily conceived by those skilled in the art within the technical scope of the present component without departing from the principle of the present component shall be covered by the protection scope of the present component. All the components not specified in the present embodiment can be realized by means of the prior art.

Claims (8)

1. A cross mortise and tenon joint reinforced by adopting a concealed self-resetting device is characterized by comprising a wood column and a wood framework formed by a wood beam connected to the wood column through the mortise and tenon joint, wherein the upper side surface and the lower side surface of the wood beam in mortise and tenon joint with the wood beam are respectively provided with a groove, and a pair of self-resetting devices are hinged in the grooves through a base fixed on the beam;
the self-reset device is formed by an upper serrated plate and a lower serrated plate which are meshed up and down and are overlapped together, penetrates through the two serrated plates through a screw rod and is connected through a nut padded with a disc spring.
2. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 1, wherein a pair of self-resetting devices are hinged in the groove by a screw and tightly attached to the bottom surface of the groove.
3. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 1, wherein the serrated plate comprises a serrated section and a connecting section, the serrated section is provided with engaging teeth and a screw through hole, the connecting sections at two ends of the serrated plate after being overlapped extend out of an overlapped end, and the end is provided with a connecting hole.
4. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 3, wherein the screw through hole formed in the sawtooth section is a long round hole along the length direction.
5. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 3, wherein the disc springs are respectively padded between the nuts and the sawtooth sections of the sawtooth plate, and the adjacent disc springs are mutually buckled and butted.
6. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 3, wherein the cross section of the engaging tooth is triangular or rectangular.
7. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 6, wherein the tooth spaces of the engaging teeth of the upper and lower serrated plates are equal and the cross-sectional shapes are equal.
8. The cross-shaped mortise and tenon joint reinforced by the concealed self-resetting device according to claim 1, wherein the two pairs of beam upper bases respectively clamp the connecting sections of the two zigzag plates overlapped with each other, and the two zigzag plates are hinged by a screw; the articulated connecting section of base is the semi-cylindrical structure.
CN201922337399.3U 2019-12-23 2019-12-23 Adopt reinforced (rfd) cross tenon fourth of twelve earthly branches node from resetting means of hidden Active CN211548057U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832371A (en) * 2021-01-12 2021-05-25 江南大学 Assembled beam column energy dissipation node unit that contains tenon fourth of twelve earthly branches structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832371A (en) * 2021-01-12 2021-05-25 江南大学 Assembled beam column energy dissipation node unit that contains tenon fourth of twelve earthly branches structure

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