CN216041697U - Bolt formula concrete frame connected node - Google Patents
Bolt formula concrete frame connected node Download PDFInfo
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- CN216041697U CN216041697U CN202122498762.7U CN202122498762U CN216041697U CN 216041697 U CN216041697 U CN 216041697U CN 202122498762 U CN202122498762 U CN 202122498762U CN 216041697 U CN216041697 U CN 216041697U
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Abstract
The utility model relates to a bolt formula concrete frame connected node relates to the technical field of integrated building, and it includes at least a set of integrated mechanism from top to bottom, and integrated mechanism is including the lower connecting piece that is used for the last connecting piece be connected with top concrete structure and is used for being connected with below concrete structure about every group, goes up the connecting piece and passes through vertical connecting piece with lower connecting piece and be connected. The vertical connecting piece comprises a mounting bolt and a nut in threaded connection with the mounting bolt. The cap part of the mounting bolt is matched with the nut to clamp and fix the lower side wall of the upper connecting piece and the upper side wall of the upper connecting piece, so that stable connection between the upper connecting piece and the lower connecting piece is completed, and stable connection between two adjacent concrete structural members up and down is realized. Because last connecting piece and lower connecting piece are prefabricated in the concrete structure spare that corresponds, the job site only need use installation bolt and nut to connect, from this for the bolt formula connected node of this application can effectively reduce the wet processing operation of job site.
Description
Technical Field
The application relates to the technical field of integrated buildings, in particular to a bolt type concrete frame connecting node.
Background
The integrated building, also called movable or repeatedly detachable building, is mainly characterized in that a building mode that a complete house can be quickly assembled at a construction site is finally achieved by prefabricating concrete structural members in a factory and processing a bearing structure represented by a steel structure according to design requirements. The integrated building is detachable, movable and free of land damage, the conversion from the real property attribute to the real property attribute of the house for hundreds of years is realized, and the separation of the real property from the real property for hundreds of years is realized.
In the integrated building in the related art, the concrete structural members have been prefabricated in factories to reduce wet processing on a construction site, but the connection nodes for connecting the concrete structural members still need to be poured with concrete on the construction site, so that more wet processing operations are still performed on the construction site.
SUMMERY OF THE UTILITY MODEL
In order to reduce the wet processing operation of job site, the purpose of this application is to provide a bolt formula concrete frame connected node.
The application provides a bolt formula concrete frame connected node adopts following technical scheme:
a bolt type concrete frame connecting node comprises at least one group of upper and lower integrated mechanisms for connecting two adjacent concrete structural members up and down, wherein each group of upper and lower integrated mechanisms comprises an upper connecting piece for connecting with an upper concrete structural member and a lower connecting piece for connecting with a lower concrete structural member, and the upper connecting piece is connected with the lower connecting piece through a vertical connecting piece;
an upper connecting cavity is formed in the upper connecting piece, a lower connecting cavity is formed in the lower connecting piece, an upper through hole is formed in the bottom wall of the upper connecting cavity, and a lower through hole communicated with the upper through hole is formed in the top wall of the lower connecting cavity;
the vertical connecting piece comprises a mounting bolt and a nut in threaded connection with the mounting bolt, the rod part of the mounting bolt penetrates through the upper through hole and the lower through hole simultaneously, and the lower side wall of the upper connecting piece and the upper side wall of the upper connecting piece are clamped between the cap part and the nut of the mounting bolt.
Through adopting above-mentioned technical scheme, mounting bolt's cap portion and nut cooperation are in order to fix the lower lateral wall of last connecting piece and the last lateral wall clamp of last connecting piece to accomplish the stable connection between last connecting piece and the lower connecting piece, in order to realize the stable connection of two adjacent concrete structure spare from top to bottom. Because last connecting piece and lower connecting piece are prefabricated in the concrete structure spare that corresponds, the job site only need use installation bolt and nut to connect, from this for the bolt formula connected node of this application can effectively reduce the wet processing operation of job site.
Optionally, the vertical connecting piece further includes an upper pad penetrating the mounting bolt, the upper pad is located in the upper connecting cavity, the cap of the mounting bolt abuts against one surface of the upper pad far from the lower connecting piece, the upper pad abuts against the bottom wall of the upper connecting cavity, and the outer ring of the upper pad protrudes out of the outer edge surface of the cap of the mounting bolt;
and/or, the vertical connecting piece still includes to wear to locate the lower backing plate of construction bolt, the lower backing plate is located connect the intracavity down, the nut support press in the lower backing plate is kept away from the one side of going up the connecting piece, the lower backing plate support press in connect the roof in chamber down, the outer lane salient of lower backing plate in the outer fringe face of nut.
By adopting the technical scheme, the stress when the vertical connecting piece is connected with the upper connecting piece is mainly from the cap part of the mounting bolt, and the outer ring of the upper backing plate protrudes out of the outer edge surface of the cap part of the mounting bolt so that the area of the sheet surface of the upper backing plate is larger than the area of the end surface of the cap part of the mounting bolt, thereby increasing the contact area between the vertical connecting piece and the upper connecting piece, and reducing the pressure between the vertical connecting piece and the upper connecting piece so as to further improve the service life of the vertical connecting piece.
Correspondingly, the stress of the vertical connecting piece when the lower connecting piece is connected mainly comes from the cap part of the mounting bolt, and the outer edge of the lower backing plate protrudes out of the outer edge surface of the nut so that the area of the sheet surface of the lower backing plate is larger than the area of the end surface of the nut, so that the contact area between the vertical connecting piece and the lower connecting piece is increased, and the pressure between the vertical connecting piece and the lower connecting piece is reduced so as to further improve the service life of the vertical connecting piece.
Optionally, the lower connecting piece is fixedly provided with an anti-shearing block, the upper connecting piece is fixedly provided with an anti-shearing seat, the upper end of the anti-shearing block protrudes out of the upper surface of the lower connecting piece, and the anti-shearing seat is provided with an anti-shearing groove which is in splicing fit with the upper end of the anti-shearing block.
Through adopting above-mentioned technical scheme, when going up connecting piece and connecting piece down and connecting, anti shearing piece embedding anti shearing seat's anti shearing groove to further restrict the shearing force that probably receives between connecting piece and the lower connecting piece in the horizontal direction, also increased the connected area of connected node on the horizontal direction simultaneously, from this, make this application connected node's anti shearing ability further promote.
Optionally, the upper connecting piece is fixedly provided with an anti-shearing block, the lower connecting piece is fixedly provided with an anti-shearing seat, the lower end of the anti-shearing block protrudes out of the lower surface of the upper connecting piece, and the anti-shearing seat is provided with an anti-shearing groove which is in splicing fit with the lower end of the anti-shearing block.
Through adopting above-mentioned technical scheme, when going up connecting piece and connecting piece down and connecting, anti shearing piece embedding anti shearing seat's anti shearing groove to further restrict the shearing force that probably receives between connecting piece and the lower connecting piece in the horizontal direction, also increased the connected area of connected node on the horizontal direction simultaneously, from this, make this application connected node's anti shearing ability further promote.
Optionally, the cross section of the anti-shearing block is quadrilateral, circular or elliptical, and the shape of the anti-shearing groove is matched with the shape of the anti-shearing block.
Through adopting above-mentioned technical scheme, the anti-shear block that different cross-sections set up can produce different slight effects poor with the anti-shear groove cooperation that corresponds.
When being the quadrangle and setting up, anti-shear block and anti-shear groove cooperation have been restricted to take place relative rotation to can realize going up the connecting piece and further restrict after the connecting piece is connected down and go up the connecting piece and take place to deflect down between the connecting piece, further improve the stability of being connected between connecting piece and the lower connecting piece from this.
When the anti-shearing block is circularly arranged, the transverse shearing force applied to the outer circular surface of the anti-shearing block is easily dispersed by the outer circular surface, so that the anti-shearing capacity of the anti-shearing block is improved, and the stability of the upper connecting piece and the lower connecting piece in connection is further improved.
When being the ellipse and setting up, the outer fringe face of anti-shear block has curved speciality so that anti-shear block has the effect of the horizontal shearing force of dispersion, and anti-shear block has the characteristic of major axis and minor axis so that anti-shear block has the effect that the quadrangle restriction is rotated concurrently to can improve anti-shear capacity also can restrict the rotation when making to go up connecting piece and connecting piece down and connect, from this, further improve the stability when connecting piece and lower connecting piece connect.
Optionally, the number of the upper and lower integrated mechanisms is at least two, the connection node further includes a connection plate for connecting the upper and lower integrated mechanisms, the connection plate is clamped between the upper connection member and the lower connection member, the connection plate is provided with a plurality of connection holes for the rod portion of the mounting bolt to pass through, and each group of upper and lower integrated mechanisms corresponds to one of the connection holes.
Through adopting above-mentioned technical scheme, the mounting bolt of integrated mechanism about every group is corresponding wears to establish a connecting hole to make connecting piece and lower connecting piece connect on same connecting plate on the multiunit, thereby realize that a plurality of integrated mechanisms are connected each other steadily from top to bottom, so that connect steadily between the concrete structure spare on the same horizon.
Optionally, the connecting plate is provided with a plurality of auxiliary reinforcing holes for the anti-shearing block to pass through, and each group of upper and lower integrated mechanisms corresponds to one auxiliary reinforcing hole.
Through adopting above-mentioned technical scheme, can pass supplementary reinforcement hole earlier before anti-shear block and anti-shear groove plug connection, anti-shear block is the same with the effect that mounting bolt and connecting hole were joined in marriage with supplementary reinforcement hole complex to the realization is further consolidated the joint strength between each upper and lower integrated agency and the connecting plate.
Optionally, the upper end of the opening of the upper connecting cavity and/or the upper end of the opening of the lower connecting cavity have rounded corners.
Through adopting above-mentioned technical scheme, the stress concentration condition of connecting chamber upper end opening corner and connecting chamber upper end opening corner down has been alleviated in setting up of fillet to promote connecting piece and connecting piece down and be bearing the ability of external force anti-deformation.
Optionally, the upper end of the opening of the upper connecting cavity and/or the opening of the lower connecting cavity are arranged in an arch shape.
Through adopting above-mentioned technical scheme, the arch sets up the opening that makes upper junction chamber and lower junction chamber have the ability of arc dispersed stress and the ability of triangle-shaped anti deformation concurrently to the anti deformability when further improving upper junction spare and lower connecting piece and bearing external force and exerting pressure.
Optionally, the rib plate is fixedly arranged on the inner wall of the upper connecting cavity and/or the inner wall of the lower connecting cavity.
Through adopting above-mentioned technical scheme, the floor can set up in roof and three lateral wall arbitrary one or more, and the floor can provide inside support for last connecting piece and lower connecting piece to reduce the flexible volume that leads to because of connecting the chamber and exist down and connecting the chamber.
In summary, the present application includes at least one of the following beneficial technical effects:
the cap part of the mounting bolt is matched with the nut to clamp and fix the lower side wall of the upper connecting piece and the upper side wall of the upper connecting piece, so that stable connection between the upper connecting piece and the lower connecting piece is completed, and stable connection between two adjacent concrete structural members up and down is realized. Because the upper connecting piece and the lower connecting piece are prefabricated in the corresponding concrete structural members, the construction site only needs to be connected by using the mounting bolts and the nuts, and therefore, the bolt type connecting node can effectively reduce wet processing operation of the construction site;
when the upper connecting piece is connected with the lower connecting piece, the anti-shearing block is embedded into the anti-shearing groove of the anti-shearing seat so as to further limit shearing force possibly applied between the upper connecting piece and the lower connecting piece in the horizontal direction and increase the connecting area of the connecting node in the horizontal direction, so that the anti-shearing capacity of the connecting node is further improved;
the mounting bolt of each group of upper and lower integrated mechanisms correspondingly penetrates through a connecting hole, so that the connecting pieces and the lower connecting pieces are connected onto the same connecting plate, the auxiliary reinforcing holes can be penetrated through before the anti-shearing blocks and the anti-shearing grooves are connected in an inserting mode, the matching effect of the anti-shearing blocks and the auxiliary reinforcing holes is the same as that of the mounting bolts and the connecting holes, and therefore the connection strength between each upper and lower integrated mechanisms and the connecting plate is further reinforced, and the concrete structural members on the same horizontal layer are connected stably.
Drawings
FIG. 1 is a schematic view of an installation location of an embodiment of the present application;
FIG. 2 is a schematic diagram of an explosive structure of an embodiment of the application showing a vertical connector;
fig. 3 is an exploded view of an embodiment of the present application showing a shear resistant structure.
In the figure, a concrete structural member; b. connecting the nodes; 1. an upper and lower integration mechanism; 11. an upper connecting piece; 111. an upper connecting cavity; 112. an upper through hole; 12. a lower connecting piece; 121. a lower connecting cavity; 122. a lower through hole; 13. a vertical connecting member; 131. installing a bolt; 132. a nut; 133. an upper base plate; 134. a lower base plate; 14. a shear resistant structure; 141. a shear resistant block; 142. an anti-shear seat; 1421. a shear resistant groove; 15. a rib plate; 2. a connecting plate; 21. connecting holes; 22. and (5) auxiliary reinforcing holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses bolt formula concrete frame connected node.
Referring to fig. 1, the connection node b is disposed at a connection position of a plurality of concrete structural members a, so as to connect the plurality of concrete structural members a. It should be noted that the number of the concrete structural members a connected by the connecting node b is even, and at most, is not more than eight. In this embodiment, for convenience of illustration of the drawings, the number of the concrete structural members a connected by the single connecting node b is four, the four concrete structural members a are arranged in two layers, and each layer is arranged in two.
Referring to fig. 2, the connection node includes at least one set of upper and lower integrated mechanisms 1 for connecting two concrete structural members adjacent to each other. When the number of the upper and lower integrated mechanisms 1 is larger than two groups, the plurality of upper and lower integrated mechanisms 1 are connected through the connecting plate 2. In this embodiment, the number of the concrete structural members is four, and the number of the upper and lower integrated mechanisms 1 is two, and the two sets of the upper and lower integrated mechanisms 1 are distributed along the horizontal direction and are symmetrically arranged.
With continued reference to fig. 2, each set of upper and lower integrated mechanisms 1 includes an upper connecting member 11 for connecting with an upper concrete structural member and a lower connecting member 12 for connecting with a lower concrete structural member, and the upper connecting member 11 and the lower connecting member 12 are connected by a vertical connecting member 13. The upper and lower connectors 11 and 12 are buried in the concrete structural member when the concrete structural member is prefabricated. The concrete structural member is generally provided with reinforcing bars, and the upper connecting member 11 and the lower connecting member 12 are welded to the corresponding reinforcing bars.
Specifically, the vertical connecting member 13 includes a mounting bolt 131 and a nut 132 threadedly coupled to a rod portion of the mounting bolt 131, an upper pad plate 133 and a lower pad plate 134 are sleeved on the rod portion of the mounting bolt 131, and the upper pad plate 133 and the lower pad plate 134 are both located on a side of the nut 132 close to a cap portion of the mounting bolt 131. The upper shim plate 133 and the lower shim plate 134 are both arranged in an annular sheet shape. The inner diameter of the upper shim plate 133 is slightly larger than the diameter of the mounting bolt 131 so that the upper shim plate 133 is in clearance fit with the rod portion of the mounting bolt 131, and the outer race of the upper shim plate 133 protrudes from the outer edge surface of the cap portion of the mounting bolt 131 so that the area of the surface of the upper shim plate 133 is larger than the area of the end surface of the cap portion of the mounting bolt 131. The inner diameter of the lower shim plate 134 is slightly larger than the diameter of the mounting bolt 131, so that the lower shim plate 134 is in clearance fit with the rod part of the mounting bolt 131, and the outer ring of the lower shim plate 134 protrudes out of the outer edge surface of the nut 132, so that the area of the sheet surface of the lower shim plate 134 is larger than the area of the end surface of the nut 132.
The upper connecting member 11 is provided in a rectangular box shape such that the upper connecting member 11 has an upper connecting cavity 111 therein. The upper connection chamber 111 is opened to one horizontal side. The upper coupling chamber 111 is sized to allow the mounting bolt 131 to be placed in a vertical orientation into the upper coupling chamber 111. The upper end of the opening of the upper connecting cavity 111 is arranged in an arch shape. The rib 15 may be fixedly provided on the inner wall of the upper coupling chamber 111 to reinforce the upper coupling chamber 111.
The lower connecting piece 12 is arranged in a rectangular box body, and the shape and the size of the lower connecting piece 12 are similar to those of the upper connecting piece 11. The lower connector 12 has a lower connection cavity 121 therein, the lower connection cavity 121 being sized to allow a nut 132 to be placed into the upper connection cavity 111. The upper end of the opening of the lower connection chamber 121 may be formed in an arch shape similar to the upper end of the opening of the upper connection chamber 111, or may be formed in a generally rectangular shape and provided with a chamfer. The inner wall of the lower connection chamber 121 may also be fixedly provided with ribs 15 to reinforce the lower connection chamber 121. In the present embodiment, the opening shape of the lower connection cavity 121 is different from the opening shape of the upper connection cavity 111, so as to reduce the workload required for distinguishing the concrete structural member during installation and reduce the occurrence of reverse installation of the concrete structural member.
In order to facilitate the connection between the upper connecting member 11 and the lower connecting member 12, the bottom wall of the upper connecting cavity 111 is provided with an upper through hole 112, the upper through hole 112 penetrates through the lower wall of the upper connecting member 11 along the vertical direction, correspondingly, the top wall of the lower connecting cavity 121 is provided with a lower through hole 122 for communicating with the upper through hole 112, and the lower through hole 122 penetrates through the upper wall of the lower connecting member 12 along the vertical direction. The axis of the upper through-hole 112 substantially coincides with the axis of the lower through-hole 122.
When the upper connecting member 11 and the lower connecting member 12 are connected, the rod portion of the mounting bolt 131 is simultaneously inserted into the upper through hole 112 and the lower through hole 122, the cap portion of the mounting bolt 131 and the upper shim plate 133 are both located in the upper connecting cavity 111, and the nut 132 and the lower shim plate 134 are both located in the lower connecting cavity 121. At this time, the cap of the mounting bolt 131 abuts against the surface of the upper shim plate 133 away from the lower connecting member 12, so that the upper shim plate 133 abuts against the bottom wall of the upper connecting cavity 111, and correspondingly, the nut 132 abuts against the surface of the lower shim plate 134 away from the upper connecting member 11, so that the lower shim plate 134 abuts against the top wall of the lower connecting cavity 121, so that the lower sidewall of the upper connecting member 11 and the upper sidewall of the upper connecting member 11 are clamped between the cap of the mounting bolt 131 and the nut 132.
Referring to fig. 3, in order to improve the shear resistance of the connection node, the upper and lower integrated mechanisms 1 further include a shear resistant structure 14. The anti-shearing structure 14 includes an anti-shearing block 141 and an anti-shearing seat 142, the anti-shearing block 141 extends in a vertical direction and has a connecting end and a protruding end, and the connecting end of the anti-shearing block 141 is used for being fixedly connected with the upper connecting member 11 or the lower connecting member 12. The anti-shearing seat 142 is provided with an anti-shearing groove 1421, and the anti-shearing groove 1421 is used for being inserted and matched with the protruding end of the anti-shearing block 141. The cross-section of the anti-shearing block 141 is quadrilateral, circular or elliptical, and the shape of the anti-shearing groove 1421 is matched with the shape of the anti-shearing block 141.
In this embodiment, the anti-shearing block 141 is fixedly disposed on the horizontal side wall of the lower connecting member 12, and the anti-shearing seat 142 is fixedly disposed on the corresponding side wall of the upper connecting member 11. The protruding end of the anti-shear block 141 is an upper end, and the upper end of the anti-shear block 141 protrudes from the upper surface of the lower connecting member 12.
In another embodiment, the anti-shearing block 141 is fixedly disposed on the sidewall of the horizontal side of the upper connecting member 11, and the anti-shearing seat 142 is fixedly disposed on the corresponding sidewall of the lower connecting member 12. The protruding end of the anti-shear block 141 is a lower end, and the lower end of the anti-shear block 141 protrudes from the lower surface of the upper connection member 11.
Referring to fig. 2 and 3, in order to facilitate stable connection of the connecting plate 2 to the corresponding plurality of upper and lower integrated mechanisms 1, the connecting plate 2 is interposed between the lower wall of the upper connecting member 11 and the upper wall of the lower connecting member 12. The connecting plate 2 is provided with a plurality of connecting holes 21 and a plurality of auxiliary reinforcing holes 22 penetrating in the vertical direction, the connecting holes 21 are penetrated by the rod portions of the mounting bolts 131, and the auxiliary reinforcing holes 22 are penetrated by the anti-shearing blocks 141. Each set of upper and lower integrated mechanisms 1 corresponds to one connecting hole 21 and one auxiliary reinforcing hole 22. Wherein the axis of the connecting hole 21 coincides with the axis of the corresponding upper through hole 112.
When the upper connecting member 11 and the lower connecting member 12 are connected, the rod portion of the mounting bolt 131 penetrates through the corresponding upper through hole 112, and then penetrates through the corresponding connecting hole 21, and then penetrates through the corresponding lower through hole 122, and the anti-shearing block 141 penetrates through the corresponding auxiliary reinforcing hole 22 and then is in plug-in fit with the corresponding anti-shearing groove 1421.
The implementation principle of this application embodiment when bolt formula concrete frame connected node is applied to corresponding building structure does:
(1) and (3) mounting a lower-layer concrete structural member: flatly installing two concrete structural members positioned at the lower layer, wherein the lower connecting pieces 12 on the two concrete structural members are upward and close to each other;
(2) the lower concrete structural member is horizontally connected: simultaneously connecting the connecting plate 2 with the lower connecting pieces 12 of the two concrete structural members positioned at the lower layer, wherein the connecting holes 21 on the connecting plate 2 are communicated with the corresponding lower through holes 122, and the anti-shearing blocks 141 on the two lower connecting pieces 12 penetrate through the auxiliary reinforcing holes 22 of the connecting plate 2 to realize the pre-connection of the two lower connecting pieces 12;
(3) and (3) installing an upper concrete structural member: mounting two concrete structural members positioned on the upper layer on the corresponding concrete structural member on the lower layer, wherein the upper connecting piece 11 faces downwards and is aligned with the corresponding lower connecting piece 12, and the upper through hole 112 is communicated with the corresponding connecting hole 21 on the connecting plate 2;
(4) the upper connecting piece 11 is connected with the lower connecting piece 12: after the mounting bolt 131 is installed into the upper connection chamber 111, the shaft of the mounting bolt 131 passes through the upper through hole 112, the connection hole 21 and the lower through hole 122 in sequence, the nut 132 is installed into the lower connection chamber 121 and is screwed with the shaft of the mounting bolt 131, and the nut 132 is rotated to move the nut 132 toward a direction close to the cap of the mounting bolt 131 until the nut 132 and the cap of the mounting bolt 131 cooperate to clamp the lower wall of the upper connection member 11 and the upper wall of the lower connection member 12.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A bolt type concrete frame connecting node is characterized by comprising at least one group of upper and lower integrated mechanisms (1) for connecting two adjacent concrete structural members up and down, wherein each group of upper and lower integrated mechanisms (1) comprises an upper connecting piece (11) for connecting with an upper concrete structural member and a lower connecting piece (12) for connecting with a lower concrete structural member, and the upper connecting piece (11) is connected with the lower connecting piece (12) through a vertical connecting piece (13);
an upper connecting cavity (111) is formed in the upper connecting piece (11), a lower connecting cavity (121) is formed in the lower connecting piece (12), an upper through hole (112) is formed in the bottom wall of the upper connecting cavity (111), and a lower through hole (122) used for being communicated with the upper through hole (112) is formed in the top wall of the lower connecting cavity (121);
the vertical connecting piece (13) comprises a mounting bolt (131) and a nut (132) in threaded connection with the mounting bolt (131), the rod part of the mounting bolt (131) penetrates through the upper through hole (112) and the lower through hole (122) at the same time, and the lower side wall of the upper connecting piece (11) and the upper side wall of the upper connecting piece (11) are clamped between the cap part of the mounting bolt (131) and the nut (132).
2. A bolt-type concrete frame connection node according to claim 1, characterized in that the vertical connection member (13) further comprises an upper shim plate (133) inserted into the mounting bolt (131), the upper shim plate (133) is located in the upper connection cavity (111), the cap of the mounting bolt (131) is pressed against the upper shim plate (133) at the side away from the lower connection member (12), the upper shim plate (133) is pressed against the bottom wall of the upper connection cavity (111), and the outer ring of the upper shim plate (133) protrudes from the outer edge surface of the cap of the mounting bolt (131);
and/or, the vertical connecting piece (13) further comprises a lower backing plate (134) penetrating through the mounting bolt (131), the lower backing plate (134) is located in the lower connecting cavity (121), the nut (132) presses against one surface, far away from the upper connecting piece (11), of the lower backing plate (134), the lower backing plate (134) presses against the top wall of the lower connecting cavity (121), and the outer ring of the lower backing plate (134) protrudes out of the outer edge surface of the nut (132).
3. A bolt-type concrete frame connection node according to claim 1, characterized in that the lower connecting member (12) is fixedly provided with a shear resistant block (141), the upper connecting member (11) is fixedly provided with a shear resistant seat (142), the upper end of the shear resistant block (141) protrudes out of the upper surface of the lower connecting member (12), and the shear resistant seat (142) is provided with a shear resistant groove (1421) which is in plug-fit engagement with the upper end of the shear resistant block (141).
4. A bolt-type concrete frame connection node according to claim 1, characterized in that the upper connection member (11) is fixedly provided with a shear resistant block (141), the lower connection member (12) is fixedly provided with a shear resistant seat (142), the lower end of the shear resistant block (141) protrudes out of the lower surface of the upper connection member (11), and the shear resistant seat (142) is provided with a shear resistant groove (1421) which is in plug-fit with the lower end of the shear resistant block (141).
5. A bolt-type concrete frame joint according to claim 3 or 4, wherein the shear resistant block (141) is quadrilateral, circular or elliptical in cross-section, and the shape of the shear resistant groove (1421) is adapted to the shape of the shear resistant block (141).
6. A bolt type concrete frame connecting node according to claim 3 or 4, characterized in that the number of the upper and lower integrated mechanisms (1) is at least two, the connecting node further comprises a connecting plate (2) used for connecting a plurality of the upper and lower integrated mechanisms (1), the connecting plate (2) is clamped between the upper connecting piece (11) and the lower connecting piece (12), the connecting plate (2) is provided with a plurality of connecting holes (21) for the rod parts of the mounting bolts (131) to pass through, and each group of the upper and lower integrated mechanisms (1) corresponds to one connecting hole (21).
7. A bolt-type concrete frame connection node according to claim 6, wherein a plurality of auxiliary reinforcing holes (22) for the shear resistant blocks (141) to pass through are formed through the connection plate (2), and each set of upper and lower integrated mechanisms (1) corresponds to one auxiliary reinforcing hole (22).
8. A bolt-type concrete frame connection node according to claim 1, characterised in that the upper end at the opening of the upper connection chamber (111) and/or the upper end at the opening of the lower connection chamber (121) has rounded corners.
9. A bolt-type concrete frame connection node according to claim 1, characterised in that the upper end at the opening of the upper connection chamber (111) and/or the opening of the lower connection chamber (121) is arched.
10. A bolt-type concrete frame connection node according to claim 1, characterised in that ribs (15) are fixed to the inner walls of the upper connection chamber (111) and/or the lower connection chamber (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122498762.7U CN216041697U (en) | 2021-10-16 | 2021-10-16 | Bolt formula concrete frame connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122498762.7U CN216041697U (en) | 2021-10-16 | 2021-10-16 | Bolt formula concrete frame connected node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216041697U true CN216041697U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122498762.7U Active CN216041697U (en) | 2021-10-16 | 2021-10-16 | Bolt formula concrete frame connected node |
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| Country | Link |
|---|---|
| CN (1) | CN216041697U (en) |
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2021
- 2021-10-16 CN CN202122498762.7U patent/CN216041697U/en active Active
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