CN115961695A - Waterproof connection structure of precast beam - Google Patents

Waterproof connection structure of precast beam Download PDF

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Publication number
CN115961695A
CN115961695A CN202310012252.5A CN202310012252A CN115961695A CN 115961695 A CN115961695 A CN 115961695A CN 202310012252 A CN202310012252 A CN 202310012252A CN 115961695 A CN115961695 A CN 115961695A
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CN
China
Prior art keywords
mortise
groove
sliding
plate
height
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Pending
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CN202310012252.5A
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Chinese (zh)
Inventor
应坚国
楼杨
冯超
龚祖平
云正
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Shanghai Jinqiao Group Co ltd
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Shanghai Jinqiao Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Jinqiao Group Co ltd filed Critical Shanghai Jinqiao Group Co ltd
Priority to CN202310012252.5A priority Critical patent/CN115961695A/en
Publication of CN115961695A publication Critical patent/CN115961695A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of prefabricated building assembly construction, and particularly relates to a prefabricated beam waterproof connecting structure which is used for connecting a main beam and an auxiliary beam and comprises the following components: the slot is embedded in the side wall of the main beam; the sliding chute is embedded in the end part of the auxiliary beam; the inserting plate is arranged in the sliding groove in a sliding manner along the length direction of the auxiliary beam; the pre-supporting piece is pre-embedded at the upper edge of the end part of the auxiliary beam and protrudes out of the end face of the auxiliary beam, the pre-supporting piece is used for being lapped at the edge of the top face of the main beam, and a water stop strip is arranged on the bottom face of the pre-supporting piece; and the driving mechanism is arranged on the auxiliary beam and used for driving the inserting plate to slide so that one end of the inserting plate is inserted into the inserting groove. The precast beam waterproof connection structure provided by the invention can realize support-free connection between the secondary beam and the main beam, the pre-support part on the secondary beam is lapped on the main beam, and the water retaining strip is arranged between the pre-support part and the main beam, so that an assembly gap between the main beam and the secondary beam is eliminated, and the waterproof performance is improved.

Description

Waterproof connection structure of precast beam
Technical Field
The invention belongs to the technical field of prefabricated building assembly construction, and particularly relates to a waterproof connecting structure for a prefabricated beam.
Background
In the prior art, the connection process of the precast beam generally comprises: firstly, a temporary supporting structure of a precast beam is built according to surveying and mapping data, then the precast beam is hoisted to the temporary supporting structure, a cast-in-place template is built at the connecting position of the precast beam, reinforcing steel bars are laid, then the connecting position is poured, and the template and the temporary supporting structure are removed after the connecting position reaches a preset strength. The connection mode has the defects that firstly, an interface exists between the cast-in-place section and the prefabricated structure, and the interface can cause water seepage risks in the later stage of the building; secondly, the process of building and dismantling the temporary supporting structure and the cast-in-place template is complicated, and the construction efficiency is seriously influenced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a precast beam waterproof connection structure that is convenient to assemble and can improve waterproof performance.
To achieve the above and other related objects, the present invention provides a precast beam waterproof connecting structure for connecting a main beam and a sub beam, including:
the slot is embedded in the side wall of the main beam;
the sliding chute is embedded in the end part of the auxiliary beam;
the inserting plate is arranged in the sliding groove in a sliding mode along the length direction of the auxiliary beam;
the pre-support piece is pre-embedded at the upper edge of the end part of the auxiliary beam and protrudes out of the end face of the auxiliary beam, the pre-support piece is used for being lapped at the edge of the top face of the main beam, and a water stop strip is arranged on the bottom face of the pre-support piece;
and the driving mechanism is arranged on the auxiliary beam and is used for driving the inserting plate to slide so as to enable one end of the inserting plate to be inserted into the slot.
In an optional embodiment of the present invention, a bottom wall of the pre-supporting member is provided with a height adjusting mechanism, the height adjusting mechanism is configured to enable the secondary beam to adjust between a first height and a second height relative to the main beam, when the secondary beam is located at the first height, a bottom surface of the insert plate is higher than a bottom surface of the insert slot, when the secondary beam is located at the second height, the bottom surface of the insert plate abuts against the bottom surface of the insert slot, the bottom surface of the insert slot is provided with a clamping block, and the bottom of the insert plate is provided with a clamping slot matched with the clamping block.
In an optional embodiment of the present invention, the driving mechanism includes a driving block movably connected to the chute in a vertical direction, a first inclined surface is disposed at a lower end of the driving block, a second inclined surface is disposed at an inner end of the inserting plate, the first inclined surface is in contact with the second inclined surface, and when the driving block moves from top to bottom, the driving block can drive the inserting plate to eject outwards to be inserted into the inserting slot; the driving block is provided with a vertical through hole, a vertical screw rod is pre-buried in the auxiliary beam, the lower end of the vertical screw rod is fixedly connected with the sliding groove, the through hole is sleeved on the vertical screw rod, and the upper end of the driving block is provided with a pre-tightening nut matched with the screw rod.
In an optional embodiment of the invention, a linkage mechanism is provided between the driving block and the height adjusting mechanism, the linkage mechanism is configured to enable the height adjusting mechanism to maintain the secondary beam at the first height when the board is retracted in the chute, and to enable the height adjusting mechanism to switch the secondary beam to the second height when the driving block drives the board to be inserted into the chute.
In an optional embodiment of the present invention, the height adjusting mechanism includes a sliding plate movably disposed along a length direction of the secondary beam, a trapezoidal protrusion is disposed at a bottom of an outer end of the sliding plate, a trapezoidal groove is disposed at an edge of a top surface of the main beam, the sliding plate is movably disposed between a first horizontal position and a second horizontal position, when the sliding plate is located at the first horizontal position, the trapezoidal protrusion and the trapezoidal groove are staggered, the secondary beam is located at the first height, when the sliding plate is located at the second horizontal position, the trapezoidal protrusion and the trapezoidal groove are attached, and when the secondary beam is located at the second height.
In an optional embodiment of the present invention, the linkage mechanism includes a third inclined surface disposed on the driving block and a fourth inclined surface disposed on the sliding plate, and after the driving block drives the inserting plate to be inserted into the slot, the third inclined surface and the fourth inclined surface are abutted against each other, and at this time, the driving block continues to descend to drive the sliding plate from the first horizontal position to the second horizontal position.
In an optional embodiment of the invention, a mortise and tenon component is arranged between the inserting plate and the sliding groove, the mortise and tenon component is movably arranged along the vertical direction, a pressure spring is arranged above the mortise and tenon component, a positioning groove matched with the mortise and tenon component is arranged at the upper end of the inserting plate, when the inserting plate is inserted into the inserting groove, the mortise and tenon component is aligned with the positioning groove, and at the moment, the mortise and tenon component is inserted into the positioning groove under the action of the pressure spring.
In an optional embodiment of the invention, a notch portion is formed in a side wall of the mortise and tenon component, a locking groove matched with the mortise and tenon component is formed in the sliding plate, the locking groove includes a first section and a second section, the width of the first section is greater than that of the mortise and tenon component, the width of the second section is smaller than that of the mortise and tenon component and greater than that of the notch portion on the mortise and tenon component, before the mortise and tenon component is inserted into the positioning groove, the notch portion is staggered with the locking groove, the mortise and tenon component is located in the first section at this time, the sliding plate can be prevented from sliding, and after the mortise and tenon component is inserted into the positioning groove, the notch portion is flush with the locking groove, so that the mortise and tenon component can slide into the second section.
In an optional embodiment of the present invention, a first pad and a second pad are respectively disposed at an upper outer end and a lower inner end of the sliding chute, and a width of the first pad and a width of the second pad are greater than a width of the sliding chute.
In an optional embodiment of the present invention, a first reinforcing rib and a second reinforcing rib are embedded in the secondary beam, respectively, the first reinforcing rib includes a first U-shaped portion, the first U-shaped portion bypasses the upper end of the first cushion block, and both ends of the first U-shaped portion extend downward and then extend inward along a direction parallel to the secondary beam; the second reinforcing rib comprises a second U-shaped portion, the second U-shaped portion is wound around from the lower portion of the second cushion block, and two ends of the second U-shaped portion extend upwards and then extend outwards along the direction parallel to the secondary beam.
The invention has the technical effects that: the precast beam waterproof connection structure provided by the invention can realize support-free connection between the secondary beam and the main beam, the pre-support part on the secondary beam is lapped on the main beam, and the water retaining strip is arranged between the pre-support part and the main beam, so that an assembly gap between the main beam and the secondary beam is eliminated, and the waterproof performance is improved.
Drawings
Fig. 1 is a perspective view of a precast beam waterproof connection structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of an end structure of a secondary beam provided by an embodiment of the present invention;
FIG. 3 is a side perspective view of a main beam provided by an embodiment of the present invention;
fig. 4 is a plan view of a precast beam waterproof connection structure provided by an embodiment of the present invention;
FIG. 5 isbase:Sub>A sectional view A-A of FIG. 4;
FIG. 6 is a schematic view of the internal structure of a secondary beam provided by an embodiment of the present invention;
fig. 7 is an exploded view of an embedded structure inside a secondary beam according to an embodiment of the present invention;
fig. 8 is an exploded view of the slide plate and the mortise and tenon component according to the embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1 to 8, the precast beam waterproof connection structure provided by the present invention can realize the support-free connection between the secondary beam 20 and the main beam 10, the pre-support 23 on the secondary beam 20 is lapped on the main beam 10, and the water blocking strip 25 is arranged between the main beam 10 and the secondary beam 20, so that the assembly gap between the main beam 10 and the secondary beam 20 is eliminated, and the waterproof performance is improved. In the description of the present invention, the "inner" and the "outer" are based on the objective physical structure of the sub-beam 20, and in fig. 5, the left side of the sub-beam 20 is the outer side, and the right side of the sub-beam 20 is the inner side.
Referring to fig. 1 to 8, a precast beam waterproof connecting structure for connecting a main beam 10 and an auxiliary beam 20 includes a slot 11, a chute 21, an insert plate 22, a pre-support member 23, and a driving mechanism; the slot 11 is embedded in the side wall of the main beam 10; the sliding groove 21 is embedded in the end part of the secondary beam 20; the inserting plate 22 is arranged in the sliding groove 21 in a sliding manner along the length direction of the auxiliary beam 20; the pre-support piece 23 is pre-embedded at the upper edge of the end part of the secondary beam 20 and protrudes out of the end surface of the secondary beam 20, the pre-support piece 23 is used for being lapped at the edge of the top surface of the main beam 10, and a water stop strip is arranged on the bottom surface of the pre-support piece 23; the driving mechanism is installed on the secondary beam 20, and the driving mechanism is used for driving the inserting plate 22 to slide, so that one end of the inserting plate 22 is inserted into the inserting groove 11.
The secondary beam 20 can be supported on the main beam 10 through the pre-supporting piece 23, the building and dismantling processes of a temporary supporting structure are omitted, the assembly efficiency of the prefabricated building is improved, and the water retaining strip 25 is arranged between the pre-supporting piece 23 and the main beam 10, so that the waterproof performance between the main beam 10 and the secondary beam 20 is improved.
Referring to fig. 2 and 5-8, in an embodiment, a bottom wall of the pre-supporting member 23 is provided with a height adjusting mechanism, the height adjusting mechanism is configured to enable the secondary beam 20 to be adjusted between a first height and a second height relative to the primary beam 10, when the secondary beam 20 is located at the first height, a bottom surface of the insertion plate 22 is higher than a bottom surface of the insertion slot 11, when the secondary beam 20 is located at the second height, the bottom surface of the insertion plate 22 abuts against the bottom surface of the insertion slot 11, a clamping block 13 is disposed on the bottom surface of the insertion slot 11, and a clamping groove 221 matched with the clamping block 13 is disposed at the bottom of the insertion plate 22.
Referring to fig. 5 and 7, in a specific embodiment, the driving mechanism includes a driving block 26 movably connected to the chute 21 along a vertical direction, a first inclined surface 261 is disposed at a lower end of the driving block 26, a second inclined surface 222 is disposed at an inner end of the inserting plate 22, the first inclined surface 261 is abutted against the second inclined surface 222, and when the driving block 26 moves from top to bottom, the inserting plate 22 can be driven to eject outward to be inserted into the inserting groove 11; the driving block 26 is provided with a vertical through hole, a vertical screw 27 is embedded in the secondary beam 20, the lower end of the vertical screw 27 is fixedly connected with the chute 21, the through hole is sleeved on the vertical screw 27, and the upper end of the driving block 26 is provided with a pre-tightening nut 271 matched with the screw 27.
Referring to fig. 5 and 7, in an embodiment, a linkage mechanism is disposed between the driving block 26 and the height adjustment mechanism, and the linkage mechanism is configured to enable the height adjustment mechanism to maintain the secondary beam 20 at the first height when the board 22 is retracted into the sliding slot 21, and to enable the height adjustment mechanism to switch the secondary beam 20 to the second height when the driving block 26 drives the board 22 to be inserted into the slot 11.
Referring to fig. 2 and 5-8, in a specific embodiment, the height adjustment mechanism includes a sliding plate 24 movably disposed along a length direction of the secondary beam 20, a trapezoidal protrusion 241 is disposed at a bottom of an outer end of the sliding plate 24, a trapezoidal groove 12 is disposed at an edge of a top surface of the main beam 10, the sliding plate 24 is movably disposed between a first horizontal position and a second horizontal position, when the sliding plate 24 is located at the first horizontal position, the trapezoidal protrusion 241 and the trapezoidal groove 12 are staggered, the secondary beam 20 is located at the first height, and when the sliding plate 24 is located at the second horizontal position, the trapezoidal protrusion 241 is engaged with the trapezoidal groove 12, and the secondary beam 20 is located at the second height.
Referring to fig. 5, in an embodiment, the linkage mechanism includes a third inclined surface 262 disposed on the driving block 26 and a fourth inclined surface 242 disposed on the sliding plate 24, and after the driving block 26 drives the inserting plate 22 to be inserted into the slot 11, the third inclined surface 262 and the fourth inclined surface 242 are abutted against each other, and at this time, the driving block 26 continues to descend to drive the sliding plate 24 from the first horizontal position to the second horizontal position.
Referring to fig. 5, 7 and 8, in a specific embodiment, a mortise and tenon component 28 is disposed between the inserting plate 22 and the sliding groove 21, the mortise and tenon component 28 is movably disposed along a vertical direction, a pressure spring 281 is disposed above the mortise and tenon component 28, a positioning groove matched with the mortise and tenon component 28 is disposed at an upper end of the inserting plate 22, when the inserting plate 22 is inserted into the inserting groove 11, the mortise and tenon component 28 is aligned with the positioning groove, and at this time, the mortise and tenon component 28 is inserted into the positioning groove under the action of the pressure spring 281.
Referring to fig. 8, in an embodiment, the side wall of the mortise and tenon element 28 is provided with a notch 282, the sliding plate 24 is provided with a locking groove 243 for engaging with the mortise and tenon element 28, the locking groove 243 includes a first section 2431 and a second section 2432, the first section 2431 has a width greater than the width of the mortise and tenon element 28, the second section 2432 has a width smaller than the width of the mortise and tenon element 28 and greater than the width of the notch 282 of the mortise and tenon element 28, the notch 282 is offset from the locking groove 243 before the mortise and tenon element 28 is inserted into the positioning groove, the mortise and tenon element 28 is located in the first section 2431 to prevent the sliding of the sliding plate 24, and the notch 282 is flush with the locking groove 243 after the mortise and tenon element 28 is inserted into the positioning groove to allow the mortise and tenon element 28 to slide into the second section 2432.
Referring to fig. 6, in an embodiment, a first pad 211 and a second pad 212 are respectively disposed at an upper outer end and a lower inner end of the sliding slot 21, and widths of the first pad 211 and the second pad 212 are greater than a width of the sliding slot 21. Further, a first reinforcing rib 201 and a second reinforcing rib 202 are respectively embedded in the secondary beam 20, the first reinforcing rib 201 includes a first U-shaped portion, the first U-shaped portion bypasses the upper end of the first cushion block 211, and both ends of the first U-shaped portion extend downward and then extend inward along a direction parallel to the secondary beam 20; the second reinforcing rib 202 includes a second U-shaped portion, the second U-shaped portion is wound around from below the second pad, and both ends of the second U-shaped portion extend upward and then extend outward in a direction parallel to the secondary beam 20.
The specific working process and principle of the invention are as follows:
before assembly, the inserting plate 22 of the auxiliary beam 20 is contracted in the sliding groove 21, the mortise and tenon part 28 abuts against the upper end of the inserting plate 22, the sliding plate 24 is blocked by the mortise and tenon part 28 and is kept at the right position, the auxiliary beam 20 is hoisted to the main beam 10, the pre-support part 23 is lapped in a preset groove on the main beam 10, and the trapezoidal protrusion 241 is staggered with the trapezoidal groove 12, so that the auxiliary beam 20 is kept at a first height; and then, rotating a pre-tightening nut 271 on the screw 27 to enable the driving block 26 to move downwards, wherein the driving block 26 firstly drives the inserting plate 22 to move leftwards, so that the inserting plate 22 is inserted into the slot 11 of the main beam 10, at the moment, the bottom surface of the inserting plate 22 is higher than the bottom surface of the slot 11, so that the inserting plate 22 cannot be blocked by the clamping block 13, after the inserting plate 22 is inserted in place, the mortise and tenon component 28 is popped downwards and inserted into the positioning groove at the upper end of the inserting plate 22, at the moment, the driving block 26 continuously moves downwards to drive the sliding plate 24 to move leftwards, the trapezoidal protrusions 241 are gradually meshed with the trapezoidal grooves 12 along with the left movement of the sliding plate 24, at the moment, the secondary beam 20 falls to the second height, the bottom surface of the inserting plate 22 is blocked with the bottom surface of the slot 11, the clamping block 13 is inserted into the clamping groove 221, at the inserting plate 22 and the pre-supporting component 23 jointly provide support for the secondary beam 20, and the secondary beam 20 is installed in place.
According to the invention, the cushion blocks and the reinforcing ribs are arranged on the upper side and the lower side of the sliding groove 21, and the positions of the cushion blocks and the reinforcing ribs are just stress concentration points of the inserting plate 22, so that the supporting strength of the inserting plate 22 is ensured.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and not necessarily in all embodiments. Thus, respective appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, "a," "an," and "the" include plural references unless otherwise indicated. Also, as used in the description herein and throughout the claims that follow, unless otherwise indicated, the meaning of "in …" includes "in …" and "on …".
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
The systems and methods have been described herein in general terms as the details aid in understanding the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Thus, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims (10)

1. The utility model provides a precast beam waterproof connection structure which characterized in that for connect main girder and auxiliary girder, include:
the slot is embedded in the side wall of the main beam;
the sliding chute is embedded in the end part of the auxiliary beam;
the inserting plate is arranged in the sliding groove in a sliding mode along the length direction of the auxiliary beam;
the pre-supporting piece is pre-embedded at the upper edge of the end part of the auxiliary beam and protrudes out of the end face of the auxiliary beam, the pre-supporting piece is used for being lapped at the edge of the top face of the main beam, and a water stop strip is arranged on the bottom face of the pre-supporting piece;
and the driving mechanism is arranged on the auxiliary beam and is used for driving the inserting plate to slide so as to enable one end of the inserting plate to be inserted into the slot.
2. The precast beam waterproof connection structure according to claim 1, wherein the bottom wall of the precast beam supporting member is provided with a height adjustment mechanism, the height adjustment mechanism is assembled so that the secondary beam can be adjusted between a first height and a second height with respect to the main beam, when the secondary beam is located at the first height, the bottom surface of the insert plate is higher than the bottom surface of the insert slot, when the secondary beam is located at the second height, the bottom surface of the insert plate abuts against the bottom surface of the insert slot, the bottom surface of the insert slot is provided with a clamping block, and the bottom of the insert plate is provided with a clamping groove matched with the clamping block.
3. The precast beam waterproof connection structure according to claim 2, wherein the driving mechanism comprises a driving block movably connected with the chute in a vertical direction, a first inclined surface is arranged at the lower end of the driving block, a second inclined surface is arranged at the inner end of the inserting plate, the first inclined surface is in contact with the second inclined surface, and when the driving block moves from top to bottom, the inserting plate can be driven to eject outwards to be inserted into the inserting groove; the driving block is provided with a vertical through hole, a vertical screw rod is pre-buried in the auxiliary beam, the lower end of the vertical screw rod is fixedly connected with the sliding groove, the through hole is sleeved on the vertical screw rod, and the upper end of the driving block is provided with a pre-tightening nut matched with the screw rod.
4. The precast beam waterproof connection structure according to claim 3, wherein a linkage mechanism is provided between the driving block and the height adjusting mechanism, the linkage mechanism being configured such that the height adjusting mechanism can maintain the sub beam at the first height when the insert plate is retracted in the slide groove, and the linkage mechanism can drive the height adjusting mechanism to switch the sub beam to the second height when the driving block drives the insert plate to be inserted into the insert groove.
5. The precast beam waterproof connection structure according to claim 4, wherein the height adjustment mechanism comprises a sliding plate movably arranged along the length direction of the secondary beam, the bottom of the outer end of the sliding plate is provided with a trapezoidal protrusion, the top edge of the main beam is provided with a trapezoidal groove, the sliding plate is movably arranged between a first horizontal position and a second horizontal position, when the sliding plate is located at the first horizontal position, the trapezoidal protrusion and the trapezoidal groove are staggered, the secondary beam is located at the first height, when the sliding plate is located at the second horizontal position, the trapezoidal protrusion and the trapezoidal groove are attached, and when the secondary beam is located at the second height.
6. The precast beam waterproof connection structure according to claim 5, wherein the linkage mechanism includes a third inclined surface provided on the driving block and a fourth inclined surface provided on the sliding plate, and after the driving block drives the insertion plate to be inserted into the insertion slot, the third inclined surface and the fourth inclined surface are abutted against each other, and at this time, the driving block continues to move downward to drive the sliding plate from the first horizontal position to the second horizontal position.
7. The precast beam waterproof connection structure according to claim 6, wherein a mortise and tenon component is arranged between the insert plate and the sliding groove, the mortise and tenon component is movably arranged along a vertical direction, a pressure spring is arranged above the mortise and tenon component, a positioning groove matched with the mortise and tenon component is arranged at the upper end of the insert plate, when the insert plate is inserted into the insertion groove, the mortise and tenon component is aligned with the positioning groove, and at the moment, the mortise and tenon component is inserted into the positioning groove under the action of the pressure spring.
8. The precast beam waterproof connection structure according to claim 7, wherein a notch portion is formed in a side wall of the mortise and tenon component, a locking groove matched with the mortise and tenon component is formed in the sliding plate, the locking groove includes a first section and a second section, the width of the first section is larger than that of the mortise and tenon component, the width of the second section is smaller than that of the mortise and tenon component and larger than that of the notch portion of the mortise and tenon component, the notch portion is staggered with the locking groove before the mortise and tenon component is inserted into the positioning groove, the mortise and tenon component is located in the first section at this time, the sliding plate can be prevented from sliding, and after the mortise and tenon component is inserted into the positioning groove, the notch portion is flush with the locking groove, so that the mortise and tenon component can slide into the second section.
9. The precast beam waterproof connection structure according to claim 8, wherein a first pad and a second pad are respectively provided at an upper outer end and a lower inner end of the sliding groove, and widths of the first pad and the second pad are larger than that of the sliding groove.
10. The precast beam waterproof connection structure of claim 9, wherein a first reinforcing rib and a second reinforcing rib are respectively embedded in the secondary beam, the first reinforcing rib comprises a first U-shaped portion, the first U-shaped portion bypasses the upper end of the first cushion block, and two ends of the first U-shaped portion extend downwards and then extend inwards in a direction parallel to the secondary beam; the second reinforcing rib comprises a second U-shaped portion, the second U-shaped portion is wound around from the lower portion of the second cushion block, and two ends of the second U-shaped portion extend upwards and then extend outwards along the direction parallel to the secondary beam.
CN202310012252.5A 2023-01-05 2023-01-05 Waterproof connection structure of precast beam Pending CN115961695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310012252.5A CN115961695A (en) 2023-01-05 2023-01-05 Waterproof connection structure of precast beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310012252.5A CN115961695A (en) 2023-01-05 2023-01-05 Waterproof connection structure of precast beam

Publications (1)

Publication Number Publication Date
CN115961695A true CN115961695A (en) 2023-04-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310012252.5A Pending CN115961695A (en) 2023-01-05 2023-01-05 Waterproof connection structure of precast beam

Country Status (1)

Country Link
CN (1) CN115961695A (en)

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