CN211421415U - Joint plugging piece, composite beam or connecting joint of wallboard and floor slab and connecting joint of prefabricated column or wallboard and composite beam - Google Patents
Joint plugging piece, composite beam or connecting joint of wallboard and floor slab and connecting joint of prefabricated column or wallboard and composite beam Download PDFInfo
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- CN211421415U CN211421415U CN201921079138.XU CN201921079138U CN211421415U CN 211421415 U CN211421415 U CN 211421415U CN 201921079138 U CN201921079138 U CN 201921079138U CN 211421415 U CN211421415 U CN 211421415U
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Abstract
The utility model discloses a piece joint plugging piece, which is arranged at the piece joint between two prefabricated components and comprises a tensioning strip and a plugging square tube; the tightening strip comprises a supporting part and a fixing part which are connected into a whole; two relative right angle departments of shutoff side pipe set up the seam that passes that supplies the fixed part to pass, and the fixed part is arranged in and is passed through in the seam, and the end that the fixed part kept away from the supporting part is provided with the snap ring that is greater than the size of passing through the seam, and the snap ring is arranged in and is passed through the seam below, and the supporting part is fixed in shutoff side pipe top. By adopting the seam plugging piece in the scheme, the prefabricated part does not need to be provided with an embedded part or a rear bolt, so that the production process and the cost are reduced; the field installation is convenient, the rapid installation can be realized, and the plugging effect is reliable; the square plugging pipe can be repeatedly used for many times, and the construction cost is reduced. The utility model discloses still the public laminating roof beam or the connected node of wallboard and floor that use above-mentioned piece shutoff piece, the utility model discloses still the public prefabricated post or the connected node of wallboard and laminating roof beam that use above-mentioned piece shutoff piece.
Description
Technical Field
The utility model belongs to the technical field of the construction, specifically speaking, the utility model relates to a piece shutoff piece and superimposed beam or wallboard and the connected node of floor.
Background
The prefabricated building is assembled by prefabricated components such as beams, wallboards and floor slabs, and the prefabricated components can be divided into vertical prefabricated components and horizontal prefabricated components, wherein when the horizontal prefabricated components are vertically connected with the vertical prefabricated components, abutted seams can be formed between the horizontal prefabricated components and the vertical prefabricated components. Taking the composite floor slab as an example, the composite floor slab comprises a prefabricated layer at the bottom and a cast-in-place concrete layer at the upper part, but in the process of pouring concrete on the cast-in-place concrete layer at the upper part of the composite floor slab, abutted seams with a certain size can be formed between the composite floor slab and the composite floor slab, between the composite floor slab and a beam, and between the composite floor slab and a wallboard, and if the abutted seams are blocked poorly, slurry can leak in the process of pouring concrete, so that the pouring quality is affected. For the connection of the superposed beam and the prefabricated column, placing the prefabricated part of the superposed beam at one end of the top surface of the prefabricated column, and then pouring concrete of the cast-in-place part of the superposed beam to connect the beam and the column together; the problem of blocking the abutted seams between the beams and the columns can be solved. The seam plugging is difficult to be a pain point in the field assembly link of the fabricated building. At present, the sealing of the abutted seams is mainly performed in a mode of adhering a double-sided adhesive tape by using a rubber strip, or in a mode of embedding an embedded part on a prefabricated part, or in a mode of tightly pushing the sealing part at the abutted seams by using bolts. The method for blocking the splicing seams between the precast beams and the precast slabs is as described in the invention patent application of the blocking piece and the blocking method for the splicing seams between the precast beams and the precast slabs (publication number-CN 108018953A): through when producing precast beam, pre-buried a row of screw thread blind hole in precast beam both sides, use the screw rod to fix the fixed block in the side of precast beam in the work progress, form the support system through the fixed block in the side of precast beam to fixed shutoff piece effectively blocks up the piece between precast beam and the precast slab through the shutoff piece. This kind of mode needs to bury the built-in fitting underground on precast beam, increases production processes and cost, and need carry out the butt joint one by one with screw during the construction, because construction space is narrow, operates inconveniently.
Therefore, the edge joint plugging technology and the solution for the composite floor slab and the composite beam or the wallboard in the prior art have the construction problems of poor plugging effect, high price, low construction efficiency and the like, and have low engineering practicability. At present, the development of a sealing piece for splicing seams, which has low cost, strong practicability and high efficiency, is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a piece shutoff piece and its application in the piece node between superimposed beam or wallboard and floor, solve the difficult construction problems such as the piece shutoff effect is not good, the price is expensive, the efficiency of construction is low that exist among the prior art.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a piece sealing piece is arranged at the piece joint of two prefabricated parts and comprises a tensioning strip and a sealing square tube; the tensioning strip comprises a supporting part and a fixing part which are connected into a whole; the utility model discloses a shutoff side's pipe, including supporting part, fixed part, clamping ring, shutoff side's pipe, the confession has been seted up to two relative right angle departments of shutoff side's pipe the seam that passes that the fixed part passed, the fixed part is arranged in the seam, just the fixed part is kept away from the end of supporting part is provided with and is greater than the snap ring of seam size, the snap ring is arranged in pass through the seam below, the supporting part is fixed shutoff side.
In the above embodiment, it is preferable that the fixing portion is provided with a locking mechanism.
Preferably, the locking mechanism is a one-way saw tooth or a pin or a protrusion.
Preferably, the support portion has an arrow shape.
Preferably, the shutoff side pipe is the open box body structure in both ends side, the one end of shutoff side pipe is fixed with the size and is less than the embedded joint of shutoff side pipe, embedded joint with shutoff side pipe structure is the same, four sides of embedded joint are fixed on the inner wall of shutoff side pipe one end, set up through the seam on the diagonal angle of embedded joint.
Preferably, when the square blocking tubes are spliced, the embedded joint of the first square blocking tube is inserted into one end of the second square blocking tube, and the embedded joint of the first square blocking tube and the end of the second square blocking tube are tightly attached to each other through a seam.
The utility model provides a splice beam or wallboard and floor's connected node, the splice beam includes prefabricated portion and cast-in-place portion, the floor bottom surface is arranged in the top surface of splice beam prefabricated portion or wallboard still includes foretell piece of piecing together, shutoff side pipe is arranged in the below of piecing together between splice beam or wallboard and the floor, the supporting part of tensioning strip is arranged in the top of piecing together between splice beam or wallboard and the floor, the fixed part of tensioning strip passes the piece is fixed in the seam of passing through of shutoff side pipe.
Preferably, the width of the supporting part is greater than the splicing distance between the superposed beam or the wallboard and the floor slab, and the supporting part is anchored in the concrete of the cast-in-place part of the superposed beam.
The utility model provides a prefabricated post or wallboard and superposed beam's connected node, the superposed beam includes prefabricated portion and cast-in-place portion, the bottom surface of the prefabricated portion of superposed beam is arranged in the top surface of prefabricated post or wallboard still includes foretell piece of piecing together, shutoff side pipe arranges in the below of piece between prefabricated post or wallboard and the superposed beam, the supporting part of tensioning strip arranges in the top of piece between prefabricated post or wallboard and the superposed beam, the fixed part of tensioning strip passes the piece is fixed in the piece passes through in the seam of shutoff side pipe.
Preferably, the width of the supporting part is greater than the distance of the splicing seam between the prefabricated column or the wallboard and the superposed beam, and the supporting part is anchored in the cast-in-place concrete on the top surface of the prefabricated column or the wallboard.
The technical scheme of the utility model the beneficial technological effect who gains is:
1. in the scheme, the prefabricated part does not need to be provided with embedded parts or bolted during construction in the production stage, so that the production process and cost are reduced;
2. the plugging piece is convenient to install on site, can be quickly installed by one person, and is reliable in plugging effect;
3. according to the scheme, after cast-in-place concrete at the node of the laminated beam or the wallboard and the floor slab is poured, the fixed part is cut off, and the blocked square tube at the bottom side of the floor slab is taken down, so that repeated utilization can be realized for many times, and the construction cost is reduced;
4. the superposed beam of the splicing and plugging piece or the connecting node of the wallboard and the floor slab in the scheme is relatively low in production precision requirement of the prefabricated part, high in construction fault tolerance rate and strong in practicability and applicability.
Drawings
Fig. 1 is a schematic view 1 of a construction joint of a spliced beam and a spliced floor slab in embodiment 1;
fig. 2 is a schematic view 2 of a construction joint of a spliced beam and a spliced floor slab in embodiment 1;
FIG. 3 is a schematic view of the end of a square tube of example 1;
FIG. 4 is a schematic view of splicing two square plugging tubes in the plugging member in example 1;
FIG. 5 is a perspective view showing a structure of a fastener strip of the closure in example 1;
reference numerals:
1-tensioning strip, 11-supporting part, 12-fixing part, 13-snap ring, 14-one-way sawtooth, 2-plugging square tube, 21-embedded joint, 22-passing seam, 3-floor slab and 4-laminated beam prefabricated part.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1 and 2, the plugging piece in the embodiment is placed at the seam of two prefabricated parts and comprises a tensioning strip 1 and a plugging square tube 2. Referring to fig. 3 and 5 together, the fastening strip 1 includes a supporting portion 11 and a fixing portion 12 integrally connected; two relative right angle departments of shutoff side pipe 2 offer the seam 22 that passes that supplies fixed part 12 to pass, and fixed part 12 is arranged in the seam 22, and the end that fixed part 12 kept away from supporting part 11 is provided with the snap ring 13 that is greater than the seam 22 size, and snap ring 13 is arranged in and is passed through seam 22 below, and supporting part 11 is fixed in shutoff side pipe 2 top.
Referring to fig. 5, the fixing portion 12 of the fastening strip 1 is provided with one-way serrations 14 in this embodiment, and one end of the one-way serrations 14 facing the support portion 11 is wider than one end facing the snap ring 13. Like this the tensioning strip 1 can insert through seam 22 from the top of shutoff side's pipe 2, then draws tripe snap ring 13 from the below of shutoff side's pipe 2 and will draw tensioning strip 1 to fix on shutoff side's pipe 2, guarantees that tensioning strip 1 can only draw from up down, can not remove towards shutoff side's pipe 2 top, will draw tensioning strip 1 locking simultaneously on shutoff side's pipe 2.
Continuing to refer to fig. 5, in the present embodiment, the support portion 11 is arrow-shaped. Set up like this, two bights of supporting part 11 can block on two prefabricated component to with the tight below of fixing in the piece of shutoff side pipe 2, leak thick liquid when placing concreting. In other embodiments, the supporting portion 11 may be provided in other shapes as long as it has strong connection ability and anti-pulling ability with the fixing portion 12 and can be clamped above the seam of the two prefabricated components.
Referring to fig. 4, the square blocking pipe 2 is a box structure with two open ends on the side, and the opposite oblique opposite angles of the open ends are provided with through seams 22, so that the tensioning strip 1 can be clamped into the through seams 22 from the open ends, and the installation is convenient.
Referring to fig. 3 and 4, an embedded joint 21 having a smaller size than the square blocking tube 2 is fixed to one end of the square blocking tube 2, the embedded joint 21 has the same structure as the square blocking tube 2, four side surfaces of the embedded joint 21 are fixed to an inner wall of one end of the square blocking tube 2, and a through seam 22 is formed at an oblique angle of the embedded joint 21. When two shutoff side's pipes 2 splice, the embedded joint 21 of first shutoff side's pipe 2 inserts inside the one end of second shutoff side's pipe 2, and the embedded joint 21 of first shutoff side's pipe 2 and the two terminal portions of second shutoff side's pipe 2 through seam 22 hug closely each other. Set up like this, conveniently make the unified standard component of length with shutoff side pipe 2, when the piece to different length, with a plurality of shutoff side pipes 2 assemble can, the practicality is strong, convenient the regulation.
Referring to fig. 1 and 2, the present embodiment is a connection node of a splice between a composite beam and a floor slab 3, and includes the composite beam and the floor slab 3, where the composite beam includes a composite beam prefabricated part 4 and a cast-in-place layer (not shown in the figure), a bottom side of one end of the floor slab 3 is disposed on a top side of the composite beam prefabricated part 4, and a splice closure piece is disposed at a splice between the composite beam prefabricated part 4 and the floor slab 3. Two side surfaces of the square blocking pipe 2 are tightly attached to the bottom side of a floor slab 3 at the seam and the top side of the prefabricated part 4 of the superposed beam, the tensioning strip 1 is arranged in a passing seam 22 of the square blocking pipe 2, the supporting part 11 is arranged above the seam, and the snap ring 13 is arranged below the square blocking pipe 2. The square blocking pipe 2 is hung below a floor slab 3 through the supporting part 11, and the fixing part 12 and the square blocking pipe 2 are locked through the one-way saw teeth 14, so that the square blocking pipe 2 is tightly attached to the floor slab 3 at the spliced seam and the superposed beam prefabricated part 4. After cast-in-place concrete on the top side of the prefabricated part 4 of the superposed beam is poured, the tensioning strips 1 are anchored in the cast-in-place concrete.
In this embodiment, the width of the supporting portion 11 is greater than the splicing distance between the superposed beam or the wallboard and the floor slab, so that the supporting portion 11 is clamped above the splicing, and the square pipe 2 is tightly attached below the splicing.
The method for using the plugging member and the construction steps of the construction joint of the abutted seam between the composite beam or wallboard and the floor slab 3 in the embodiment are described below with reference to the accompanying drawings 1 to 5:
(1) during construction, the superposed beam prefabricated part 4 is hoisted and positioned, then a plurality of vertical supports (not shown in the figure) are arranged at preset positions, and the floor slab 3 is hoisted and positioned at the top sides of the vertical supports; in order to facilitate the installation of the plugging piece in the embodiment, the end part of the floor slab 3 in the embodiment is not overlapped on the top side of the superposed beam prefabricated part 4, and a seam is formed between the end part of the bottom side of the floor slab 3 and the top side of the superposed beam prefabricated part 4, wherein the height of the seam is about 2 cm;
(2) then placing a plugging piece, clamping the middle part of the tensioning strip 1 into a through seam 22 at the end part of the plugging square pipe 2, then extending the supporting part 11 into the upper part of the splicing seam from the lower part of the splicing seam, and rotating the supporting part 11 to clamp the supporting part between the floor slab 3 and the prefabricated part;
(3) adjusting a plugging piece, pushing the square plugging pipe 2 from the lower part of the floor slab 3 in the splicing direction, simultaneously pulling the clamping ring 13, and tightly clamping the unidirectional sawteeth 14 on the square plugging pipe 2, so as to finally ensure that two side surfaces of the square plugging pipe 2 are tightly attached to the bottom surface and the prefabricated side surface of the floor slab 3;
(4) pouring cast-in-place concrete (not shown in the figure) above the prefabricated part 4 of the superposed beam, and anchoring the supporting part 11 of the tension bar 1 and the fixing part 12 connected with the supporting part 11 in the cast-in-place concrete; after the cast-in-place concrete is cured and formed, the fixing part 12 below the square blocking pipe 2 is cut off from the lower part of the floor slab 3, and then the square blocking pipe 2 is taken down for recycling.
In this embodiment, the tightening strip 1 can be a self-locking band; in other embodiments, a steel wire rope with unidirectional saw teeth 14, a nylon rope, a polyester fiber rope or a polyethylene rope or a thin steel plate can be used, and only the related locking mechanism, such as a knot, a pin, etc., is needed to be arranged on the tightening strip 1. For the rope structure, after cast-in-place concrete is formed, the blocking square pipe 2 can be taken down by cutting off the rope from the clamping ring 13; in the case of the thin steel plate, the thin steel plate may be connected to the support portion 11 by a rope, so that the rope is cut from the open end of the square closed-off pipe 2, and the thin steel plate and the square closed-off pipe 2 may be removed.
In this embodiment, the bottom end of the floor slab 3 is not erected on the top side of the laminated beam precast section 4, forming a patchwork of about 2cm in height, so that the tension bar 1 can be put in directly from below the patchwork. In other embodiments, the bottom end of the floor slab 3 is overlapped about 1-2cm on the top side of the superposed beam prefabricated part 4, so that a close splicing structure is formed between the two prefabricated parts; the installation of the blocking piece is slightly different from the steps in the embodiment, and the main difference is that: firstly hoisting and positioning the superposed beam prefabricated part 4 during construction; then, arranging a plugging piece in the step (2), and clamping the tensioning strip 1 on the steel bar extending out of the top side of the prefabricated part 4 of the superposed beam; hoisting and positioning the floor slab 3, and overlapping the bottom side end part of the floor slab 3 on the top side of the superposed beam prefabricated part 4; and (4) readjusting the plugging piece and pouring the cast-in-place concrete.
In this embodiment, the plugging member is used for plugging a seam between the bottom end of the floor slab 3 and the prefabricated part 4 of the superposed beam, and in other embodiments, the plugging member may also be used for plugging a seam between a prefabricated wall panel and the floor slab 3 in an assembly type building, that is, the floor slab 3 is placed on the top surface of the prefabricated wall panel, the plugging member is disposed below the seam, and two side surfaces of the plugging member are tightly attached to the lower surface of the floor slab 3 and the side surfaces of the prefabricated wall panel. The working principle and the arrangement of the blocking piece are the same in the embodiment, and are not described herein.
In other embodiments, the composite floor slab 3 may be used to replace the fully prefabricated floor slab 3 in this embodiment, and the usage and the working principle of the plugging member are the same, and the only difference is that the concrete of the cast-in-place part of the composite beam is poured during the construction, the cast-in-place layer concrete on the top side of the composite beam floor slab 3 is poured together, and the composite beam and the composite floor slab 3 are connected together.
Example 2
The utility model provides a connected node of prefabricated post and superposed beam in this embodiment, the superposed beam includes prefabricated portion and cast-in-place portion, and the top surface of prefabricated post is arranged in to the bottom side of prefabricated portion 4 of superposed beam, and prefabricated post and superposed beam are arranged in to shutoff side's pipe 2 below the piece between, and the supporting part 11 of tensioning strip 1 is arranged in prefabricated post or wallboard and superposed beam between the piece top, and the fixed part 12 of tensioning strip 1 passes the piece and fixes in the seam 22 that passes through of shutoff side's pipe 2. The arrangement and structure of the blocking piece are the same as those in embodiment 1, and are not described herein.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. It is therefore intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
Claims (9)
1. A piece sealing piece is arranged at a piece joint between two prefabricated components and is characterized by comprising a tensioning strip and a sealing square tube; the tensioning strip comprises a supporting part and a fixing part which are connected into a whole; the utility model discloses a shutoff side's pipe, including supporting part, fixed part, clamping ring, shutoff side's pipe, the confession has been seted up to two relative right angle departments of shutoff side's pipe the seam that passes that the fixed part passed, the fixed part is arranged in the seam, just the fixed part is kept away from the end of supporting part is provided with and is greater than the snap ring of seam size, the snap ring is arranged in pass through the seam below, the supporting part is fixed shutoff side.
2. The splice closure of claim 1, wherein the anchoring portion is provided with a locking mechanism.
3. The splice closure of claim 2, wherein the support portion is arrow-shaped.
4. The splice closure according to claim 3, wherein said square closure tube has a box structure with two open ends, an embedded joint having a smaller size than the square closure tube is fixed to one end of the square closure tube, the embedded joint has the same structure as the square closure tube, four sides of the embedded joint are fixed to an inner wall of one end of the square closure tube, and a through seam is formed at an oblique angle of the embedded joint.
5. The joint sealing member according to claim 4, wherein when two of said square sealing pipes are joined, the inner fitting of the first square sealing pipe is inserted into one end of the second square sealing pipe, and the inner fitting of the first square sealing pipe and the second square sealing pipe are closely fitted to each other through the joint.
6. A joint of a superposed beam or a wallboard and a floor slab, wherein the superposed beam comprises a prefabricated part and a cast-in-place part, the bottom side surface of the floor slab is arranged on the top surface of the prefabricated part of the superposed beam or the wallboard, the joint sealing piece is characterized by further comprising the joint sealing piece according to any one of claims 1-5, the square sealing pipe is arranged below the joint between the superposed beam or the wallboard and the floor slab, the supporting part of the tensioning strip is arranged above the joint between the superposed beam or the wallboard and the floor slab, and the fixing part of the tensioning strip penetrates through the joint and is fixed in the passing seam of the square sealing pipe.
7. A joint of a composite beam or wall plate and floor slab as claimed in claim 6, wherein the width of the support part is greater than the splice distance between the composite beam or wall plate and floor slab, and the support part is anchored in the concrete of the cast-in-place part of the composite beam.
8. A connecting node of a prefabricated column or a wallboard and a superposed beam, wherein the superposed beam comprises a prefabricated part and a cast-in-place part, the bottom side surface of the prefabricated part of the superposed beam is arranged on the top surface of the prefabricated column or the wallboard, the connecting node is characterized by further comprising the splicing and blocking piece according to any one of claims 1 to 5, the square blocking pipe is arranged below the splicing and blocking part between the prefabricated column or the wallboard and the superposed beam, the supporting part of the tensioning strip is arranged above the splicing and blocking part between the prefabricated column or the wallboard and the superposed beam, and the fixing part of the tensioning strip penetrates through the splicing and is fixed in the passing seam of the square blocking pipe.
9. The connecting node of prefabricated column or wall panel and superposed beam according to claim 8, wherein the width of the supporting part is larger than the distance of the spliced seam between the prefabricated column or wall panel and the superposed beam, and the supporting part is anchored in the cast-in-place concrete on the top surface of the prefabricated column or wall panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079138.XU CN211421415U (en) | 2019-07-10 | 2019-07-10 | Joint plugging piece, composite beam or connecting joint of wallboard and floor slab and connecting joint of prefabricated column or wallboard and composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079138.XU CN211421415U (en) | 2019-07-10 | 2019-07-10 | Joint plugging piece, composite beam or connecting joint of wallboard and floor slab and connecting joint of prefabricated column or wallboard and composite beam |
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| Publication Number | Publication Date |
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| CN211421415U true CN211421415U (en) | 2020-09-04 |
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| CN201921079138.XU Active CN211421415U (en) | 2019-07-10 | 2019-07-10 | Joint plugging piece, composite beam or connecting joint of wallboard and floor slab and connecting joint of prefabricated column or wallboard and composite beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282366A (en) * | 2020-10-21 | 2021-01-29 | 中国一冶集团有限公司 | Beam-column joint plugging device and beam-column joint plugging method |
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2019
- 2019-07-10 CN CN201921079138.XU patent/CN211421415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282366A (en) * | 2020-10-21 | 2021-01-29 | 中国一冶集团有限公司 | Beam-column joint plugging device and beam-column joint plugging method |
| CN112282366B (en) * | 2020-10-21 | 2022-05-06 | 中国一冶集团有限公司 | Beam-column joint plugging device and beam-column joint plugging method |
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