CN213626649U - Assembled connecting fastener and detachable steel bar truss floor bearing plate - Google Patents
Assembled connecting fastener and detachable steel bar truss floor bearing plate Download PDFInfo
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- CN213626649U CN213626649U CN202021856433.4U CN202021856433U CN213626649U CN 213626649 U CN213626649 U CN 213626649U CN 202021856433 U CN202021856433 U CN 202021856433U CN 213626649 U CN213626649 U CN 213626649U
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Abstract
The utility model provides an assembled connecting fastener and detachable steel bar truss floor carrier plate, which relates to the technical field of building components, wherein the assembled connecting fastener comprises an upper fastener and a lower fastener, the lower fastener is arranged along the extending direction of the front and back direction, the lower surface of the lower fastener is provided with a first connecting hole, the upper surface of the lower fastener is provided with a lower holding tank, the lower holding tank is arranged along the extending direction of the lower fastener to form a through groove, and the lower fastener is provided with second connecting holes at the left side and the right side of the lower holding tank; the upper fastener is arranged in an extending manner along the front-back direction and comprises a hoop plate part, a left wing plate and a right wing plate which are integrally connected with the hoop plate part, an upper accommodating groove is formed on the lower surface of the hoop plate part, and third connecting holes are formed in the left wing plate and the right wing plate; the fastener passes through the third connecting hole and the second connecting hole will go up fastener, lower fastener is connected, goes up holding tank and forms the fastening groove of fixed steel bar truss lower chord reinforcing bar jointly with holding tank down, not only makes things convenient for steel bar truss and is connected the fixed of fastener, conveniently connects the dismantlement of fastener and die block moreover.
Description
Technical Field
The utility model belongs to the technical field of the component for the building, specifically provide a fastener and detachable steel bar truss building carrier plate are connected to assembled.
Background
A self-supporting detachable steel bar truss floor bearing plate is a building product which welds stressed steel bars in the floor bearing plate into a steel bar truss in a factory and fixedly connects the steel bar truss with a bottom die to form self-supporting stress integration. During construction, the self-supporting detachable steel bar truss floor bearing plate is fixed between the bearing beams and directly poured by concrete, the bottom die bears the gravity of the concrete, and the steel bar truss provides unsupported span and rigidity for the bottom die and the concrete. Compared with the traditional cast-in-place floor slab, the self-supporting detachable steel bar truss floor support plate has the advantages that the construction speed is accelerated, the supporting effect is enhanced, and the bottom die can be recycled after pouring is completed.
The steel bar truss of the floor support plate in the prior art is connected with the bottom die through the connecting fastener, and simultaneously, the steel bar truss and the concrete gravity are transmitted to the bottom die. But current connection fastener is the integral type structure, offers the draw-in groove that holds steel bar truss last quarter reinforcing bar on connecting fastener's the lateral wall face, and the cross-section of draw-in groove is the U type, carries out fixed connection with steel bar truss and die block through connecting fastener. During connection, the connecting fastener is required to be fixed on the bottom die, so that although the connecting fastener realizes the detachable connection between the steel bar truss and the bottom die, when the steel bar truss and the connecting fastener are installed, two lower chord steel bars of the steel bar truss are clamped in the grooves of the connecting fastener, and the installation between the steel bar truss and the connecting fastener is difficult; the steel bar truss can transmit the generated transverse force irrelevant to bearing the gravity of concrete to the bottom die, so that the fastener for connecting the connecting fastener and the bottom die bears the shearing force due to the participation of transmitting the transverse force, and the shearing force can also cause difficulty for the disassembly of the subsequent fastener even if the shearing force cannot cause the occurrence of the slide fastener between the fastener and the connecting fastener.
Accordingly, there is a need in the art for an assembled connecting fastener and a detachable steel bar truss floor deck to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fastener and detachable steel bar truss building carrier plate are connected to assembled solves among the prior art steel bar truss and is connected the problem that the dismantlement of installation difficulty and fastener is more difficult between the fastener.
On the one hand, the utility model provides an assembled connecting fastener: an assembled connecting fastener comprises an upper fastener and a lower fastener, wherein the lower fastener extends in the front-back direction, the lower surface of the lower fastener is provided with a first connecting hole for being fixedly connected with a bottom die, the upper surface of the lower fastener is provided with a lower accommodating groove for accommodating steel bar truss lower chord steel bars, the lower accommodating groove extends in the front-back direction of the lower fastener to form a through groove, and the left side and the right side of the lower accommodating groove of the lower fastener are provided with second connecting holes for being connected with the upper fastener; the upper fastener extends along the front-back direction and comprises a hoop plate part and a left wing plate and a right wing plate which are integrally connected with the hoop plate part, wherein an upper accommodating groove for accommodating lower chord steel bars of the steel bar truss is formed in the lower surface of the hoop plate part, and third connecting holes corresponding to the second connecting holes in the lower fastener are formed in the left wing plate and the right wing plate; the fastener passes through the third connecting hole with the second connecting hole will go up the fastener, down the fastener is connected, go up the holding tank with the holding tank forms the fastening groove of fixed steel bar truss lower chord reinforcing bar jointly down.
The technical effect of the scheme is as follows: the utility model discloses a connecting fastener adopts the assembled structure, including lower fastener and the last fastener of being connected with lower fastener adaptation, connecting fastener sets up like this, when carrying out steel bar truss's fixed, fix lower fastener on the die block first, then place steel bar truss's lower chord reinforcing bar in the lower holding tank of lower fastener, buckle the top fastener in the top of lower fastener, make its hoop plate part and lower holding tank wrap up steel bar truss lower chord reinforcing bar, then connect upper fastener and lower fastener through the fastener, thereby can be convenient carry out fixed connection with steel bar truss and die block, easy operation is convenient; therefore, on one hand, when the steel bar truss is fixed with the connecting fastener fixed on the bottom die, external force does not need to be applied to the two lower chord steel bars of the steel bar truss, and the steel bar truss and the connecting fastener are convenient to fix; another convenience, when fixing steel bar truss with being connected the fastener, owing to place steel bar truss's lower chord reinforcing bar in the lower holding tank of fastener down, then pass through the fastener with last fastener and lower fastener and be connected to can avoid steel bar truss to produce the transverse force, also can not transmit this transverse force for the fastener, thereby avoid the fastener to produce the shearing force, thereby conveniently connect the dismantlement of fastener and die block.
In the preferred technical scheme of above-mentioned assembled connection fastener, the left wing board of going up the fastener includes left horizontal pterygoid lamina, the right wing board of going up the fastener includes right horizontal pterygoid lamina, left side horizontal pterygoid lamina with set up on the right horizontal pterygoid lamina and extend along the upper and lower direction of last fastener the third connecting hole, the upper surface of lower fastener seted up with what the third connecting hole corresponded extends along the upper and lower direction of fastener the second connecting hole.
The technical effect of the scheme is as follows: left horizontal pterygoid lamina, right horizontal pterygoid lamina and hoop plate part form half staple bolt structure, during the use, directly detain the top of fastener under, under the guide effect of hoop plate part, it directly detains on steel bar truss last quarter reinforcing bar to go up the holding tank, left horizontal pterygoid lamina and right horizontal pterygoid lamina fall to the upper surface of fastener down naturally, through fastener and third connecting hole, the cooperation of second connecting hole will go up, lower fastener is connected, go up the simple structure of fastener like this, the easy production and processing, and use convenient and fast.
In the preferable technical scheme of the assembly type connecting fastener, the lower fastener comprises at least one pier portion and connecting portions integrally connected with the tops of the pier portions, the bottom of each pier portion is provided with the first connecting hole, the upper surface of each connecting portion is provided with at least one lower accommodating groove, the lower accommodating grooves are arranged in parallel, and the second connecting hole is formed in each connecting portion.
The technical effect of the scheme is as follows: the lower fastener and the upper fastener are matched and connected to wrap and fix the lower chord steel bar of the steel bar truss through the arrangement of the connecting part, and the support of the steel bar truss by the lower fastener and the connection of the steel bar truss and the bottom die are ensured through the arrangement of the pier part; and on this basis, because the use amount of connecting the fastener is great, set up the structure of fastener down like this, still save material, reduce cost alleviates the total weight of detachable steel bar truss building carrier plate simultaneously, the construction of being convenient for.
In the preferred technical scheme of fastener is connected to above-mentioned assembled, the fastener includes one down the mound portion with the top body coupling's of mound portion connecting portion, the holding tank is seted up down in the intermediate position of the upper surface of connecting portion, just down the axis of holding tank with the center line of mound portion along the fore-and-aft direction is located same vertical plane.
The technical effect of the scheme is as follows: when the steel bar truss bottom formwork is used, the lower fasteners are respectively installed at the installation positions of the two lower chord steel bars of the steel bar truss, the two lower chord steel bars of the steel bar truss are respectively placed in the lower accommodating grooves of the corresponding lower fasteners, the pier parts form stable support for the lower chord steel bars of the steel bar truss, and the connection stability between the steel bar truss and the bottom formwork is improved.
In the above-mentioned fastener is connected to assembled preferred technical scheme, lower fastener includes one pier portion and with the top body coupling's of pier portion connecting portion, two have been seted up to the upper surface of connecting portion lower holding tank, and two the axis of lower holding tank is about the central line symmetry of pier portion along the fore-and-aft direction.
The technical effect of the scheme is as follows: when the connecting fastener is used, the lower fastener is installed at the installation positions of the two lower chord steel bars of the steel bar truss, the two lower chord steel bars of the steel bar truss are respectively placed in the two lower accommodating grooves on the connecting part of the lower fastener, and then the upper fastener is respectively connected on the two lower chord steel bars, so that the effects of simple structure and production cost saving of the connecting fastener are realized on the basis of ensuring the stable performance of the lower fastener.
In the preferred technical scheme of fastener is connected to above-mentioned assembled, the fastener includes two down pier portion and with two the top body coupling's of pier portion connecting portion, two have been seted up to the upper surface of connecting portion the holding tank down, and two the axis of holding tank down is respectively with two the pier portion lies in same vertical plane along the central line of fore-and-aft direction.
The technical effect of the scheme is as follows: set up two mound portions and the lower holding tank that corresponds with two mound portions, the mound portion carries out good support of stabilizing to steel bar truss's two lower chord reinforcing bars, guarantees the reliability and the stability that steel bar truss and die block are connected.
In the preferred technical solution of the above-mentioned assembly type connecting fastener, the left wing plate of the upper fastener includes a left horizontal wing plate and a left vertical wing plate integrally connected with the left horizontal wing plate, and the right wing plate includes a right horizontal wing plate and a right vertical wing plate integrally connected with the right horizontal wing plate; the lower fastener comprises a pier part and a connecting part integrally connected with the top of the pier part, the lower accommodating groove is formed in the middle of the upper surface of the connecting part, and the axis of the lower accommodating groove and the center line of the pier part in the front-back direction are located on the same vertical plane; go up fastener, when lower fastener lock is connected left side vertical wing board, right side vertical wing board are located respectively the left and right both sides face of connecting portion, left side vertical wing board with offer on the vertical wing board of right side along the left and right sides direction extension of last fastener the third connecting hole, the left and right sides face of connecting portion seted up with what the third connecting hole corresponded follows down the fastener about the direction extend the second connecting hole.
The technical effect of the scheme is as follows: go up the fastener through its left horizontal pterygoid lamina, left vertical pterygoid lamina and right horizontal pterygoid lamina, right vertical pterygoid lamina cooperation realize detaining when establishing under on the fastener, its ascending activity in left and right sides direction is restricted, and after the fastener will go up fastener and lower fastener connection, its ascending activity in upper and lower direction is also restricted to make and connect the fastener and carry out more reliable fastening and connection to steel bar truss's lower chord reinforcing bar.
On the other hand, the utility model also provides a detachable steel bar truss floor support plate, which comprises the assembly type connecting fastener in any one of the preferable technical proposal of the assembly type connecting fastener; bottom die; a steel bar truss; the steel bar truss passes through the fastener is connected to the assembled and is fixed on the die block, and the fastener is connected to the assembled and cooperatees through fastener and its first connecting hole and fix on the die block.
The technical effect of the scheme is as follows: the utility model discloses a connecting fastener adopts the assembled structure, including lower fastener and the last fastener of being connected with lower fastener adaptation, connecting fastener sets up like this, when carrying out steel bar truss's fixed, fix lower fastener on the die block first, then place steel bar truss's lower chord reinforcing bar in the lower holding tank of lower fastener, buckle the top fastener in the top of lower fastener, make its hoop plate part and lower holding tank wrap up steel bar truss lower chord reinforcing bar, then connect upper fastener and lower fastener through the fastener, thereby can be convenient carry out fixed connection with steel bar truss and die block, easy operation is convenient; therefore, on one hand, when the steel bar truss is fixed with the connecting fastener fixed on the bottom die, external force does not need to be applied to the two lower chord steel bars of the steel bar truss, and the steel bar truss and the connecting fastener are convenient to fix; another convenience, when fixing steel bar truss with being connected the fastener, owing to place steel bar truss's lower chord reinforcing bar in the lower holding tank of fastener down, then pass through the fastener with last fastener and lower fastener and be connected to can avoid steel bar truss to produce the transverse force, also can not transmit this transverse force for the fastener, thereby avoid the fastener to produce the shearing force, thereby conveniently connect the dismantlement of fastener and die block.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the detachable steel bar truss floor deck of the present invention;
fig. 2 is a cross-sectional view of the assembled connecting fastener and the steel bar truss in a use state;
FIG. 3 is a schematic view of the assembled connecting fastener of the present invention;
FIG. 4 is a schematic view of a second embodiment of the assembled connecting fastener of the present invention;
FIG. 5 is a schematic view of a third embodiment of the assembled fastening device of the present invention;
FIG. 6 is a schematic view of a fourth embodiment of the assembled fastening device of the present invention;
FIG. 7 is a schematic view of a fifth embodiment of the assembled fastening device of the present invention;
fig. 8 is a schematic view of a sixth embodiment of the assembled connecting fastener of the present invention.
List of reference numerals: 1. bottom die; 2. a steel bar truss; 21. a lower chord steel bar; 3. connecting fasteners; 31. an upper fastener; 311. a third connection hole; 312. a hoop plate portion; 3121. an upper accommodating groove; 313. a left horizontal wing panel; 314. a right horizontal wing panel; 315. a left vertical wing panel; 316. a right vertical wing panel; 32. a lower fastener; 321. a second connection hole; 322. a first connection hole; 323. a lower accommodating groove; 324. a pier part; 325. a connecting portion; 4. and (4) screws.
Detailed Description
The utility model discloses the embodiment of detachable steel bar truss building carrier plate:
as shown in fig. 1 and 2, the detachable steel bar truss floor deck includes a bottom mold 1, a steel bar truss 2, and an assembly type connecting fastener 3 (hereinafter referred to as a connecting fastener 3) for connecting the bottom mold 1 and the steel bar truss 2. The steel bar truss 2 comprises two lower chord steel bars 21, a connecting fastener 3 is fixedly arranged on each lower chord steel bar 21, the connecting fasteners 3 are arranged at intervals in the extending direction of the lower chord steel bars 21, and in the embodiment, the distance between every two adjacent connecting fasteners 3 is 20 centimeters on the same lower chord steel bar 21. The connecting fastener 3 is fixedly connected with the bottom die 1 through a fastener, in this embodiment, the fastener is a screw 4. The connecting fastener 3 is provided with a first connecting hole 322 adapted to the screw 4. The screw 4 passes through the bottom die 1 and is fixedly connected to the first connecting hole 322 of the connecting fastener 3, in this embodiment, the first connecting hole 322 is a light hole.
As shown in fig. 2 and 3, the connecting fastener 3 includes an upper fastener 31 and a lower fastener 32, wherein the lower fastener 32 is provided with a second connecting hole 321, the upper fastener 31 is provided with a third connecting hole 311 corresponding to the second connecting hole 321, and the screw 4 penetrates through the third connecting hole 311 and is fixedly connected with the second connecting hole 321 on the lower fastener 32.
Specifically, the lower fastener 32 extends in the front-rear direction, the lower surface thereof is provided with a first connection hole 322 fixedly connected to the bottom die 1, and the upper surface thereof is provided with a lower accommodation groove 323 for accommodating the lower chord steel bar 21 of the steel bar truss 2. The lower holding groove 323 extends to the through groove along the front-back direction of the lower fastener 32, and the second connecting holes 321 connected with the upper fastener 31 are provided on the left and right sides of the lower holding groove 323 by the lower fastener 32, and in this embodiment, the second connecting holes 321 on the left and right sides are symmetrically arranged.
In this embodiment, the lower fastening member 32 includes a pier portion 324 and a connecting portion 325 integrally connected to the top of the pier portion 324, the first connecting hole 322 is opened at the bottom of the pier portion 324, and the upper surface of the connecting portion 325 is provided with a lower receiving groove 323 and second connecting holes 321 symmetrically distributed on the left and right sides of the lower receiving groove 323. An arc transition part is formed at the integral connection position of the pier part 324 and the connection part 325, and the pier part 324 and the connection part 325 are in a pier shape integrally.
In this embodiment, the pier 324 is integrally connected to the middle of the bottom of the connecting portion 325, the lower receiving groove 323 is formed in the middle of the upper surface of the connecting portion 325, and the axis of the lower receiving groove 323 and the center line of the pier 324 in the front-rear direction are located on the same vertical plane. It is understood that in other embodiments, the axis of the lower receiving groove 323 can be arranged to be located on a different vertical plane from the center line of the pier 324 in the front-back direction, for example, the pier 324 is located near the left side of the connecting portion 325, and the lower receiving groove 323 is opened at the middle of the upper surface of the connecting portion 325.
The upper buckle 31 extends in the front-rear direction and includes a hoop plate portion 312, and a left wing plate and a right wing plate integrally connected to the hoop plate portion 312, and an upper receiving groove 3121 for receiving the lower chord 21 of the steel bar truss 2 is formed on the lower surface of the hoop plate portion 312.
In this embodiment, the left wing plate includes a left horizontal wing plate 313, the right wing plate includes a right horizontal wing plate 314, the left horizontal wing plate 313 and the right horizontal wing plate 314 are provided with third connecting holes 311 extending in the up-down direction, and the second connecting holes 321 on the connecting portion 325 correspond to the third connecting holes 311 and also extend in the up-down direction. The screw 4 connects the upper buckle 31 and the lower buckle 32 through the third connecting hole 311 and the second connecting hole 321, and the upper receiving groove 3121 and the lower receiving groove 323 together form a fastening groove for fixing the lower chord 21 of the steel bar truss 2.
In this embodiment, the connecting fastener 3 is made of plastic, and in other embodiments, the assembling type connecting fastener 3 may also be made of metal.
When the steel bar truss 2 type floor bearing plate of the utility model is installed, the lower fastener 32 of the connecting fastener 3 is fixedly connected with the bottom die 1 through the screw 4, each steel bar truss 2 corresponds to two lines of connecting fasteners 3, then two lower chord steel bars 21 of the steel bar truss 2 are correspondingly placed into the lower accommodating groove 323 of the lower fastener 32 of the connecting fastener 3, then the hoop plate part 312 of the upper fastener 31 is buckled above the lower chord steel bars 21, the left horizontal wing plate 313 and the right horizontal wing plate 314 of the upper fastener 31 are positioned above the connecting part 325 of the lower fastener 32, so that the third connecting holes 311 on the left horizontal wing plate 313 and the right horizontal wing plate 314 of the upper fastener 31 are aligned with the second connecting holes 321 on the upper surface of the connecting part 325 of the lower fastener 32, the screw 4 passes through the third connecting holes 311 on the upper fastener 31 to be fixedly connected with the second connecting holes 321 on the lower fastener 32, thereby the upper accommodating groove 3121 and the lower accommodating groove 323 jointly form a fastening groove to fix the lower chord steel bars 21 of the, the groove walls of the upper accommodating groove 3121 and the lower accommodating groove 323 tightly abut against the lower chord steel bar 21, and can rub against the lower chord steel bar 21 in the front-back direction, so that the lower chord steel bar 21 is prevented from moving in the front-back direction relative to the connecting fastener 3. And sequentially fixing each steel bar truss 2 on the bottom die 1, thereby realizing the manufacture of the detachable steel bar truss 2 floor bearing plate. Then 2 building carrier plates of steel bar truss with the completion hoist and mount to the construction area and carry out concrete placement, pour and accomplish and solidify to the design intensity after the concrete, take out die block 1 screw 4 and demolish die block 1, screw 4 and die block 1 can be used to the use of the detachable steel bar truss building carrier plate of the equal specification in later stage.
The utility model discloses a connect fastener 3 in detachable steel bar truss floor carrier plate adopts assembled structure, including lower fastener 32 and the last fastener 31 with lower fastener 32 adaptation connection, connect fastener 3 and set up like this, when carrying out steel bar truss 2's fixed, fix lower fastener 32 on die block 1 first, then place steel bar truss 2's lower chord reinforcing bar 21 in lower holding tank 323 of fastener 32, buckle last fastener 31 in the top of lower fastener 32, make its hoop plate part 312 and lower holding tank 323 fasten the parcel with steel bar truss 2 lower chord reinforcing bar 21, then connect fastener 31 and lower fastener 32 through the fastener, thereby can be convenient carry out fixed connection with steel bar truss 2 and die block 1, easy operation is convenient; therefore, on one hand, when the steel bar truss 2 and the connecting fastener 3 fixed on the bottom die 1 are fixed, external force does not need to be applied to the two lower chord steel bars 21 of the steel bar truss 2, and the steel bar truss 2 and the connecting fastener 3 are convenient to fix; another convenience, when fixing steel bar truss 2 with being connected fastener 3, owing to place steel bar truss 2's lower chord reinforcing bar 21 in lower holding tank 323 of fastener 32 down, then pass through the fastener with last fastener 31 and lower fastener 32 and be connected to can avoid steel bar truss 2 to produce the transverse force, also can not transmit this transverse force for the fastener, thereby avoid the fastener to produce the shearing force, thereby conveniently connect the dismantlement of fastener 3 and die block 1.
Fig. 4 shows a second specific embodiment of the connecting fastener 3, which is different from the first specific embodiment in that a left vertical wing plate 315 is integrally connected to one end of the left horizontal wing plate 313 of the upper fastener 31 away from the hoop portion, a right vertical wing plate 316 is integrally connected to one end of the right horizontal wing plate 314 away from the hoop portion, and the third connecting hole 311 is opened in the left vertical wing plate 315 and the right vertical wing plate 316 and extends in the left-right direction. At this time, the second connection holes 321 of the connection portion 325 of the lower clip 32 are adapted to be coupled with the third connection holes 311, and the second connection holes 321 are opened at both left and right sides of the connection portion 325 and extend in the left and right directions. When in use, the left vertical wing plate 315 and the right vertical wing plate 316 of the upper fastener 31 are respectively positioned on the left and right sides of the connecting portion 325 of the lower fastener 32.
As shown in fig. 5, the third embodiment of the connecting fastener 3 is different from the first embodiment in that two lower receiving grooves 323 are formed in the upper surface of the connecting portion 325 of the lower fastener 32, the two lower receiving grooves 323 are arranged in parallel, the axes of the two lower receiving grooves 323 are symmetrical with respect to the central line of the pier portion 324 along the front-rear direction, and the second connecting holes 321 are formed in the left and right sides of each lower receiving groove 323. In use, after the lower fastener 32 is fixedly connected to the bottom mold 1 by the screws 4, the two lower-chord reinforcements 21 of the steel bar truss 2 are respectively placed in the two lower receiving grooves 323 of the connecting portion 325, and then the upper fastener 31 is fastened to each of the two lower-chord reinforcements 21 and the upper fastener 31 and the lower fastener 32 are connected by the screws 4.
As shown in fig. 6, the fourth embodiment of the connecting fastener 3 is different from the first embodiment in that the lower fastener 32 includes two pier portions 324 and a connecting portion 325 integrally connected to top portions of the two pier portions 324, two lower receiving grooves 323 are formed in an upper surface of the connecting portion 325, axes of the two lower receiving grooves 323 are located on the same vertical plane with center lines of the two pier portions 324 along the front and rear directions, first connecting holes 322 connected to the bottom mold 1 are formed in bottoms of the two pier portions 324, and second connecting holes 321 are formed in left and right sides of each lower receiving groove 323. In use, the two pier parts 324 are respectively connected with the bottom die 1 through the screws 4, the two lower chord reinforcements 21 of the steel bar truss 2 are respectively placed in the two lower accommodating grooves 323 on the connecting part 325, then the upper fasteners 31 are respectively buckled on the two lower chord reinforcements 21, and the upper fasteners 31 and the lower fasteners 32 are connected through the screws 4.
As shown in fig. 7, the first embodiment of the connecting fastener 3 is different from the second embodiment in that the lower fastener 32 includes two pier portions 324 and a connecting portion 325 integrally connected to top portions of the two pier portions 324, two lower receiving grooves 323 are formed on an upper surface of the connecting portion 325, and center lines of the two pier portions 324 in the front-back direction are respectively located at left and right sides of the two lower receiving grooves 323. The mounting method is the same as that of the third embodiment of the lower fastener 32, and is not described herein again.
Sixth embodiment of connecting fastener 3 is as shown in fig. 8, the difference with first embodiment is that lower fastener 32 is the cuboid structure, holding tank has been seted up down to the intermediate position of the up end of cuboid structure, the first connecting hole that is used for being connected with the die block that extends along vertical direction is seted up to lower terminal surface, the one end an organic whole that the left horizontal pterygoid lamina 313 of going up fastener 31 deviates from the staple bolt part is connected with left vertical pterygoid lamina 315, the one end an organic whole that right horizontal pterygoid lamina 314 deviates from the staple bolt part is connected with right vertical pterygoid lamina 316, third connecting hole 311 is seted up on left vertical pterygoid lamina 315 and right vertical pterygoid lamina 316, and extend along controlling the direction, the second connecting hole that corresponds with third connecting hole 311.
The utility model discloses a fastener 3's concrete embodiment is connected to assembled, and fastener 3's structure is connected to assembled and fastener 3's structure is the same with the assembled of in the 2 formula building carrier plates of foretell steel bar truss to the assembled, no longer gives unnecessary details here.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An assembled connecting fastener is characterized by comprising an upper fastener and a lower fastener, wherein,
the lower fastener extends along the front-back direction, a first connecting hole used for being fixedly connected with the bottom die is formed in the lower surface of the lower fastener, a lower accommodating groove used for accommodating steel bar truss lower chord steel bars is formed in the upper surface of the lower fastener, the lower accommodating groove extends along the front-back direction of the lower fastener to form a through groove, and second connecting holes used for being connected with the upper fastener are formed in the left side and the right side of the lower accommodating groove of the lower fastener;
the upper fastener extends along the front-back direction and comprises a hoop plate part and a left wing plate and a right wing plate which are integrally connected with the hoop plate part, wherein an upper accommodating groove for accommodating lower chord steel bars of the steel bar truss is formed in the lower surface of the hoop plate part, and third connecting holes corresponding to the second connecting holes in the lower fastener are formed in the left wing plate and the right wing plate;
the fastener connects the upper fastener and the lower fastener through the third connecting hole and the second connecting hole, and the upper accommodating groove and the lower accommodating groove together form a fastening groove for fixing the lower chord steel bar of the steel bar truss;
the left wing plate of the upper fastener comprises a left horizontal wing plate and a left vertical wing plate integrally connected with the left horizontal wing plate, and the right wing plate comprises a right horizontal wing plate and a right vertical wing plate integrally connected with the right horizontal wing plate;
the lower fastener comprises a pier part and a connecting part integrally connected with the top of the pier part, the lower accommodating groove is formed in the middle of the upper surface of the connecting part, and the axis of the lower accommodating groove and the center line of the pier part in the front-back direction are located on the same vertical plane;
go up fastener, when lower fastener lock is connected left side vertical wing board, right side vertical wing board are located respectively the left and right both sides face of connecting portion, left side vertical wing board with offer on the vertical wing board of right side along the left and right sides direction extension of last fastener the third connecting hole, the left and right sides face of connecting portion seted up with what the third connecting hole corresponded follows down the fastener about the direction extend the second connecting hole.
2. Detachable steel bar truss building carrier plate, its characterized in that includes:
a fabricated connecting fastener of claim 1;
bottom die;
a steel bar truss;
the steel bar truss passes through the fastener is connected to the assembled and is fixed on the die block, and the fastener is connected to the assembled and cooperatees through fastener and its first connecting hole and fix on the die block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856433.4U CN213626649U (en) | 2020-08-31 | 2020-08-31 | Assembled connecting fastener and detachable steel bar truss floor bearing plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856433.4U CN213626649U (en) | 2020-08-31 | 2020-08-31 | Assembled connecting fastener and detachable steel bar truss floor bearing plate |
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| CN213626649U true CN213626649U (en) | 2021-07-06 |
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| CN202021856433.4U Active CN213626649U (en) | 2020-08-31 | 2020-08-31 | Assembled connecting fastener and detachable steel bar truss floor bearing plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457950A (en) * | 2022-03-23 | 2022-05-10 | 天一建设发展有限公司 | Assembled precast concrete floor slab and production method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457950A (en) * | 2022-03-23 | 2022-05-10 | 天一建设发展有限公司 | Assembled precast concrete floor slab and production method thereof |
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