CN219343758U - SP board and board end connecting piece for high intensity area - Google Patents

Abstract

The utility model discloses an SP board and board end connecting piece for a high-intensity area, which belongs to the technical field of building structures and aims to solve the problem that when the SP board is applied through concrete pouring, each connecting point between the SP board and the SP board, between the SP board and a superposed layer and between the SP board and a precast beam is not firm enough, and the SP board comprises a rectangular board body, wherein a plurality of hollow holes which are transversely arranged are formed in two end faces of the rectangular board body, and the key point is that: a plurality of vertical holes are formed in the upper surface close to two ends of the rectangular plate body, the vertical holes are arranged right above the hollow holes in an array mode and are communicated with the corresponding hollow holes, connecting pieces are arranged at the mounting plate ends in a group of corresponding vertical holes and the hollow holes, when the laminated layer is poured, concrete enters the hollow holes and the vertical holes, the connecting pieces at the plate ends through mounting serve as frameworks, and the connecting pieces are integrally connected with the precast beams, so that the connecting is firmer.

Description

SP board and board end connecting piece for high intensity area

Technical Field

The utility model belongs to the technical field of building structures, and particularly relates to an SP board and a board end connecting piece for a high-intensity area.

Background

As shown in figure 1, the SP board is a prestressed concrete hollow board extruded by special automation equipment and has the characteristics of large applicable span, high bearing capacity, convenient production and construction and the like, and can be used in a frame structure without secondary beams, thereby increasing the using net height of a building and reducing the comprehensive construction cost of engineering.

As shown in fig. 2, the SP board production width is typically 1.2m, and the factory can obtain other boards with widths smaller than 1.2m by cutting (without cutting off the tendon), and splice the boards at the construction site, and generally resist the horizontal earthquake action by the following measures:

1. pouring concrete in the hollow holes at the plate end positions, and pouring the concrete along the plate cross direction for about 100mm in length, so that the connection between the SP plate and the precast beam is enhanced;

2. grouting (cement mortar or fine stone concrete is poured) in the plate side key groove to strengthen the connection between adjacent SP plates;

3. a rough surface of 4mm is arranged on the top of the board to enhance the connection between the SP board and the laminated layer;

4. and a superposed layer is arranged on the plate top, so that the integrity of the SP floor is enhanced.

The SP board of the measure is only connected and poured through the concrete, so that all connection points among the SP board and the SP board, the SP board and the superposition layer and all connection points among the SP board and the precast beam are not firm enough, the reliability is not high, and the SP board is easy to break when the SP board is in a high-intensity area.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the SP board and the board end connecting piece for the high-intensity area, which adopts more reasonable structure and connection mode to strengthen the connection between the SP board and the SP board, between the SP board and the superposition layer and between the SP board and the precast beam, so that the application of the SP board in the high-intensity area is more reliable, and the technical problem that each connection point between the SP board and the SP board, between the SP board and the superposition layer and between the SP board and the precast beam is not firm enough when the SP board is only constructed by concrete pouring in the prior art is solved.

In order to achieve the above purpose, the specific technical scheme adopted by the utility model is as follows:

the utility model provides a SP board for high intensity district, includes the rectangular plate body, a plurality of transversely arranged's hollow holes have been seted up to two terminal surfaces of rectangular plate body, its characterized in that: a plurality of vertical holes are formed in the upper surface close to the two ends of the rectangular plate body, and the vertical holes are arranged right above the hollow holes in an array mode and communicated with the corresponding hollow holes.

As a preferable technical scheme of the utility model, two vertical holes are respectively arranged above the central axis of the two ends of each hollow hole.

As a preferable technical scheme of the utility model, plate side connecting pieces are arranged near the left and right side edges of the rectangular plate body.

As the preferable technical scheme of the utility model, the plate side connecting piece comprises angle steels pre-buried at two sides of the plate surface of the rectangular plate body, one side of each angle steel is positioned in the rectangular plate body, the other side of each angle steel is attached to the upper plate surface of the rectangular plate body, the end surfaces of the angle steels are flush with the side surfaces of the rectangular plate body, and the adjacent two angle steels on the rectangular plate bodies are connected through connecting steel plates and bolts.

As a preferable technical scheme of the utility model, the connecting steel plate is in a strip shape, holes capable of penetrating through the pegs are formed in two ends of the surface of the connecting steel plate, and X-shaped steel bars are welded on the connecting steel plate.

As a preferable technical scheme of the utility model, plate side key grooves are arranged on the left side wall and the right side wall of the rectangular plate body.

Based on the structure described above, the utility model also discloses a board end connector of the SP board, which comprises a C-shaped member and at least two movable plug-ins, wherein a plurality of groups of clamping columns are transversely arranged on the frame body on the upper side and the lower side of the C-shaped member, and each movable plug-in is spliced on a corresponding group of clamping columns along the vertical direction.

As a preferable technical scheme of the utility model, the movable plug-in comprises a grooved steel plate, the groove of the grooved steel plate extends out of the lower end of the steel plate, two L-shaped steel plates are slidably arranged on the surface of the grooved steel plate, the two L-shaped steel plates are respectively positioned at two sides of the groove in the grooved steel plate and can slide along the directions of the two sides, and the transverse extending parts of the two L-shaped steel plates are oppositely arranged and can seal the notch at the lower end of the grooved steel plate.

As a preferable technical scheme of the utility model, a plurality of transverse sliding grooves are formed in the plate surface of the longitudinal part of the L-shaped steel plate, a plurality of groups of limiting rods are fixedly arranged on the plate surface of the grooved steel plate, the plurality of groups of limiting rods are respectively positioned on two sides of the groove in the grooved steel plate, and the plurality of groups of limiting rods are respectively positioned in the transverse sliding grooves.

As a preferable technical scheme of the utility model, springs are respectively connected between the limiting rods and the L-shaped steel plates, the L-shaped steel plates are respectively pulled by the springs to be close to each other, and the lower end surfaces of the transverse parts of the two L-shaped steel plates are also provided with an inlet.

The utility model provides an SP board and a board end connecting piece for a high intensity area, which have the following beneficial effects:

1. the connection between the SP board end and the precast beam, between the SP board and between the SP board and the lamination layer is further enhanced, so that the integrity formed by construction is stronger, and brittle failure is not easy to occur under an earthquake.

2. The step of rough surface of 4mm on the plate top can be omitted in the construction process, so that the production process is simplified, the production difficulty is reduced, and the production cost is saved.

3. The plate end connecting piece and the plate side connecting piece can be quickly constructed and fixed on site, so that the on-site welding workload is greatly reduced, the construction speed is increased, and the construction cost is saved.

Drawings

FIG. 1 is a schematic view of a prior art SP board;

FIG. 2 is a schematic view of a prior art construction of SP board installation;

FIG. 3 is a schematic structural view of an SP board according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a board side connector according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an SP board splicing structure according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a structure of an angle steel installation according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a connection point of the side plate of the SP board of FIG. 9 according to an embodiment of the present utility model;

FIG. 8 is a schematic structural view of a connection point between an SP board and a precast beam according to an embodiment of the present utility model;

FIG. 9 is a schematic structural view of an SP board construction according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a plate end connector according to an embodiment of the present utility model;

fig. 11 is a schematic structural view of a movable plug according to an embodiment of the present utility model.

In the figure: 1. an SP board; 11. a rectangular plate body; 12. a hollow hole; 13. a vertical hole; 2. a board end connector; 21. a C-shaped member; 211. a clamping column; 22. a movable plug-in; 221. a fluted steel plate; 222. an L-shaped steel plate; 223. a limit rod; 224. a spring; 3. a board side connector; 31. angle steel; 32. connecting steel plates; 33. x-shaped steel bars; 34. a peg; 4. laminating layers; 5. and (5) prefabricating the beam.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

referring to fig. 3, an SP board and board end connector for a high intensity area, comprising a rectangular board 11, wherein two end surfaces of the rectangular board 11 are provided with a plurality of hollow holes 12 which are transversely arranged, and the key lies in: a plurality of vertical holes 13 are formed on the upper surface close to the two ends of the rectangular plate body 11, the vertical holes 13 are arranged right above the hollow holes 12 in an array manner and are communicated with the corresponding hollow holes 12, and through the arranged vertical holes 13, connecting pieces can be installed in a group of hollow holes 12 and the vertical holes 13;

wherein, two vertical holes 13 are respectively arranged above the central axes of the two ends of each hollow hole 12;

referring to fig. 4 and 5, wherein board side connectors 3 are provided near the left and right edges of the rectangular board 11, the connection between the SP board 1 and the SP board 1 is more firm by using the board side connectors 3, and meanwhile, the roughness of the surface of the SP board 1 is increased, so that the connection between the lamination layer 4 and the SP board 1 is more firm;

referring to fig. 4 and 6, the plate-side connecting piece 3 includes angle steel 31 pre-buried at two sides of the plate surface of the rectangular plate 11, one side of the angle steel 31 is positioned in the rectangular plate 11, the other side is attached to the upper plate surface of the rectangular plate 11, the end surface is flush with the side surface of the rectangular plate 11, and the angle steel 31 on two adjacent rectangular plates 11 are connected through a connecting steel plate 32 and a bolt 34;

referring to fig. 4, the connecting steel plate 32 is in a long strip shape, holes capable of inserting the bolts 34 are formed at two ends of the plate surface of the connecting steel plate 32, an X-shaped steel bar 33 is welded on the connecting steel plate 32, the horizontal earthquake shear resistance is improved, the connecting steel plate 32 is welded on the angle steel 31 by using the bolts 34 to penetrate through the holes of the connecting steel plate 32, and the bolts 34, the angle steel 31 and the connecting steel plate 32 are integrated;

referring to fig. 6, plate side key grooves are formed in the left and right side walls of the rectangular plate 11, and concrete can be inserted into the plate side key grooves when pouring the laminated layer 4, so that the SP plates 1 and 1 are connected, and firmness is further improved.

In practical implementation, as shown in fig. 7, 8 and 9, a plurality of SP boards 1 are arranged and installed on a precast beam 5, two steel plates 32 are placed on angle steel 31 of the SP boards 1, bolts 34 pass through holes of the steel plates 32 and are welded with the steel plates 31, so that the SP boards 1 are connected, a C-shaped member 21 and a movable insert 22 are needed to be used for connection at the board ends, a clamping column 211 is arranged on the C-shaped member 21, a hollow hole 12 at the end of the SP board 1 is inserted into the C-shaped member 21, one side of the C-shaped member 21 is positioned in the hollow hole 12, the other side of the C-shaped member 21 is positioned on the board surface of the SP board 1, a movable insert 22 is inserted into the corresponding vertical hole 13, the movable insert 22 is opened on the clamping column 211 of the C-shaped member 21, and concrete is poured into the hollow hole 12 and the vertical hole 13 to form a superposed layer 4, and the board end connector 2 serves as a framework to ensure that the connection between the SP board 1 and the precast beam 5 is firmly based, and the connection between the SP boards 1 and the superposed layer 4 is further strengthened.

Embodiment two:

referring to fig. 10 and 11, a board end connector of an SP board for connecting the SP board for a high intensity area described in the first embodiment is characterized by comprising a C-shaped member 21 and at least two movable inserts 22, wherein a plurality of groups of clamping columns 211 are transversely arranged on a frame body on the upper side and the lower side of the C-shaped member 21, each movable insert 22 is inserted on a corresponding group of clamping columns 211 along the vertical direction, wherein the clamping columns 211 for clamping the movable insert 22 can be arranged as smooth outer walls, screw grooves can be formed on the outer walls of the clamping columns 211 for clamping the movable insert 22, and the stress points of the board end connector 2 are increased after concrete is poured on the clamping columns 211;

referring to fig. 11, the movable insert 22 includes a slotted steel plate 221, the slot of the slotted steel plate 221 extends out of the lower end of the steel plate, two L-shaped steel plates 222 are slidably mounted on the plate surface of the slotted steel plate 221, the two L-shaped steel plates 222 are respectively located at two sides of the slot in the slotted steel plate 221 and can slide along the directions of the two sides, and the transversely extending parts of the two L-shaped steel plates 222 are oppositely arranged and can seal the notch at the lower end of the slotted steel plate 221;

referring to fig. 11, a plurality of transverse sliding grooves are formed in the plate surface of the longitudinal portion of the L-shaped steel plate 222, a plurality of groups of limiting rods 223 are fixedly installed on the plate surface of the grooved steel plate 221, the groups of limiting rods 223 are respectively located at two sides of the grooves in the grooved steel plate 221, the groups of limiting rods 223 are respectively located in the plurality of transverse sliding grooves, and the two L-shaped steel plates 222 slide back and forth at two sides of the grooves in the grooved steel plate 221 in a left-right manner through the transverse sliding grooves on the L-shaped steel plate 222 and the limiting rods 223 on the plate surface of the grooved steel plate 221;

referring to fig. 10 and 11, springs 224 are respectively connected between the limiting bars 223 and the L-shaped steel plates 222, the L-shaped steel plates 222 are respectively drawn close to each other under the tension of the springs 224, and the lower end surfaces of the transverse parts of the two L-shaped steel plates 222 are also formed with an inlet, wherein the lower end surfaces of the transverse parts of the two L-shaped steel plates 222 can be arranged into a circular arc shape or a wedge shape, so that the lower end surfaces of the transverse parts of the two L-shaped steel plates 222 form an inlet with a wide lower part and a narrow upper part, and when the inlet is in contact with the clamping post 211 during the insertion of the movable plug-in unit 22, the two L-shaped steel plates 222 move downwards while being forced to move to two sides, at the moment, the springs 224 are further stretched, and after the clamping post 211 enters the groove of the grooved steel plate 221, the two L-shaped steel plates 222 slide again under the tension of the springs 224 to close the lower end groove of the grooved steel plate 221, so that the movable plug-in unit 22 is clamped on the C-shaped member 21;

in specific implementation, as shown in fig. 8: the two ends of the surface of a common SP board are provided with vertical holes 13, the vertical holes 13 are vertically communicated with the hollow holes 12, one hollow hole 12 corresponds to two vertical holes 13, the hollow hole 12 at the end of the SP board 1 is inserted into a C-shaped member 21, one side of the C-shaped member 21 is positioned in the hollow hole 12, the other side of the C-shaped member is positioned on the surface of the SP board 1, a movable plug 22 is inserted into the corresponding vertical hole 13, in the inserting process, after the end parts of the transverse parts of two L-shaped steel plates 222 are contacted with a clamping column 211, the two L-shaped steel plates move downwards and slide to two sides, the spring 224 is stretched during the moving, so that the clamping column 211 can enter a groove of a grooved steel plate 221, after the clamping column is inserted, the transverse parts of the two L-shaped steel plates 222 are mutually closed under the tension of the spring 224, the opening of the grooved steel plate 221 is blocked, and the movable plug 22 is clamped on the C-shaped member 21, and the connecting point is firmly connected with a precast beam 5 through construction by installing a board end connecting piece 2.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (10)

1. The utility model provides a SP board for high intensity district, includes rectangular plate body (11), a plurality of hollow holes (12) of transverse arrangement have been seted up to two terminal surfaces of rectangular plate body (11), its characterized in that: a plurality of vertical holes (13) are formed in the upper surfaces close to the two ends of the rectangular plate body (11), and the vertical holes (13) are arranged right above the hollow holes (12) in an array mode and are communicated with the corresponding hollow holes (12).

2. The SP board for high intensity areas of claim 1 wherein: two vertical holes (13) are respectively arranged above the central axes of the two ends of each hollow hole (12).

3. SP board for high intensity areas according to claim 1 or 2, characterized in that: and plate side connecting pieces (3) are arranged near the edges of the left side and the right side of the rectangular plate body (11).

4. A SP board for high intensity areas according to claim 3, characterized in that: the board side connecting piece (3) is including pre-buried angle steel (31) of rectangular plate body (11) face both sides, angle steel (31) are located on one side in rectangular plate body (11), and the another side laminating the last face of rectangular plate body (11), and the terminal surface with rectangular plate body (11) side flushes, adjacent two angle steel (31) on rectangular plate body (11) are connected through connecting steel sheet (32) and peg (34).

5. The SP board for high intensity areas of claim 4 wherein: the connecting steel plate (32) is of a strip shape, holes capable of being penetrated by the pegs (34) are formed in two ends of the surface of the connecting steel plate (32), and X-shaped steel bars (33) are welded on the connecting steel plate (32).

6. An SP board for high intensity areas according to claim 1 or 2 or 4 or 5, characterized in that: plate side key grooves are formed in the left side wall and the right side wall of the rectangular plate body (11).

7. A panel end connector for connecting an SP panel for a high intensity area according to any one of claims 1 to 6, characterized in that: the novel movable plug-in unit comprises a C-shaped member (21) and at least two movable plug-ins (22), wherein a plurality of groups of clamping columns (211) are transversely arranged on the frame bodies on the upper side and the lower side of the C-shaped member (21), and each movable plug-in unit (22) is plugged on a corresponding group of clamping columns (211) along the vertical direction.

8. The board end connector of an SP board of claim 7 wherein: the movable plug-in components (22) include fluted steel sheet (221), the lower extreme of its steel sheet is extended in the groove of fluted steel sheet (221), slidable mounting has two L shape steel sheet (222) on fluted steel sheet (221) face, two L shape steel sheet (222) are located respectively in the both sides of the inslot of fluted steel sheet (221), and can follow both sides direction and slide respectively, two L shape steel sheet (222) transversely extend the position and set up relatively and can seal the lower extreme notch of fluted steel sheet (221).

9. The board end connector of an SP board of claim 8 wherein: the face of L shape steel sheet (222) vertical position has seted up a plurality of horizontal spouts, trough of belt steel sheet (221) face fixed mounting has multiunit spacing stick (223), multiunit spacing stick (223) are located respectively trough's in trough of belt steel sheet (221) both sides, multiunit spacing stick (223) are located respectively in a plurality of horizontal spouts.

10. The board end connector of an SP board of claim 9 wherein: springs (224) are respectively connected between the limiting rods (223) and the L-shaped steel plates (222), the L-shaped steel plates (222) are respectively stressed by the springs (224) to be mutually closed, and the lower end surfaces of the transverse parts of the two L-shaped steel plates (222) are also provided with guide inlets.

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