CN210685004U - Pre-embedded cast steel node for installing multiple tie bars - Google Patents
Pre-embedded cast steel node for installing multiple tie bars Download PDFInfo
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- CN210685004U CN210685004U CN201920326908.XU CN201920326908U CN210685004U CN 210685004 U CN210685004 U CN 210685004U CN 201920326908 U CN201920326908 U CN 201920326908U CN 210685004 U CN210685004 U CN 210685004U
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Abstract
The utility model relates to a cast steel node technical field, concretely relates to pre-buried formula cast steel node for installing many lacing wires, which comprises a base plate, lacing wire seat and shear key, the base plate, lacing wire seat and shear key are integrative, the lacing wire seat sets up the top at the base plate, the shear key sets up the bottom at the base plate, the base plate is regular polygon or the circular steel sheet that the level set up, a plurality of lacing wire seats encircle the central waiting central angle setting of base plate, be provided with a plurality of vertical anchor bolt holes that run through the base plate on the base plate, this cast steel node can a plurality of lacing wires of one-shot erection, and this cast steel node can be pre-buried in the concrete foundation, durable firm and can not produce the damage to the reinforcing bar.
Description
Technical Field
The utility model relates to a cast steel node technical field, concretely relates to pre-buried formula cast steel node for installing many lacing wires.
Background
The large-span spatial steel structure is an important mark for measuring the technical level of a national or regional building, the structural form of the large-span spatial steel structure mainly comprises five spatial structures such as a grid structure, a latticed shell structure, a suspension cable structure, a membrane structure and a thin shell structure and various combined spatial structures, and the spatial structures with different forms are widely applied to buildings such as stadiums, exhibition centers, movie theaters, large-scale markets, factory workshops and the like. Most of large public buildings built in recent years adopt a pipe truss structure in which steel pipe members are directly converged, and the large public buildings are rich in appearance, light and handy in structure, simple and direct in force transmission, convenient to manufacture and install and good in economic effect, and are a structural system with more applications at present.
Modern sports centers also mostly adopt steel structures, wherein aiming at the lacing wire joints, a method of installing one lacing wire by one joint is often adopted, the consumed materials are more, the waste is larger, and a cast steel joint capable of installing a plurality of lacing wires at one time is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pre-buried formula cast steel node for installing many lacing wires, this cast steel node can a plurality of lacing wires of one shot mounting to this cast steel node can be pre-buried in the concrete foundation, and durable firm and can not produce the damage to the reinforcing bar.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pre-buried formula cast steel node for installing many lacing wires, including base plate, lacing wire seat and shear key, base plate, lacing wire seat and shear key are integrative, and the lacing wire seat sets up on the top of base plate, and the shear key setting is in the bottom of base plate, and the base plate is regular polygon or the circular steel sheet that the level set up, and a plurality of lacing wire seats encircle the central isocentric angle setting such as center of base plate, are provided with a plurality of vertical anchor bolt holes that run through the base plate on the base plate.
As a preferred scheme of the pre-buried cast steel node for mounting a plurality of tie bars, the base plate is a square steel plate, four tie bar seats and four anchor bolt holes are arranged at each corner of the base plate.
As a preferable scheme of the embedded cast steel node for installing a plurality of tie bars, a vent hole vertically penetrating through the base plate is arranged at the center of the base plate.
As an optimized scheme of pre-buried formula cast steel node for installing many lacing wires, the lacing wire seat is including first riser and second riser, and first riser and second riser are vertical setting and the steel sheet that is parallel to each other, and first riser and second riser structure are the same, and the first riser upwards and extend towards the direction of keeping away from the base plate center, and the first riser top is provided with the first through-hole that runs through the first riser perpendicularly, and the second riser top is provided with coaxial and with the 2a2 in aperture with the first through-hole.
As an optimal scheme of the pre-buried cast steel node for installing a plurality of tie bars, reinforcing ribs are arranged on the first vertical plate and the second vertical plate and are of right-angled triangle structures, one right-angled edge of each reinforcing rib is fixedly connected with the side face of the first vertical plate or the side face of the second vertical plate, and the other right-angled edge of each reinforcing rib is fixedly connected with the top face of the base plate.
As a preferred scheme of the embedded cast steel node for installing a plurality of tie bars, the anchor bolt hole is arranged right in the middle of the first vertical plate and the second vertical plate.
As a preferred scheme of the embedded cast steel node for installing a plurality of tie bars, the distance between the first vertical plate and the second vertical plate is larger than the size of opposite sides of the anchor bolt nut and smaller than the size of opposite corners of the anchor bolt nut.
As a preferred scheme of the embedded cast steel node for installing a plurality of tie bars, the shear keys are a plurality of rectangular steel plates which are vertically arranged and are arranged in parallel at equal intervals.
As a preferred scheme of the pre-buried cast steel node for installing a plurality of tie bars, the shear key is four square steel plates, and a plurality of second ventilation holes vertically penetrating through the shear key are formed in the top end of the shear key.
As a preferred scheme of the pre-buried cast steel node for installing a plurality of tie bars, a plurality of longitudinal bar holes vertically penetrating through the shear key are formed in the shear key.
The utility model has the advantages that:
when weaving the reinforcement cage, a constructor directly weaves the longitudinal bars through the longitudinal bar holes, and then weaves the stirrups around the longitudinal bars to complete the manufacturing of the reinforcement cage;
then, the anchor bolt penetrates through the anchor bolt hole, then a nut is installed at the threaded end of the anchor bolt, and after the anchor bolt nut is screwed in, the anchor bolt is moved towards the direction of the shear key, so that the anchor bolt nut is inserted between the first vertical plate and the second vertical plate to enable the anchor bolt nut not to rotate;
then, pouring a concrete foundation, and then inserting the longitudinal reinforcement holes, the anchor bolts and the reinforcement cage into the foundation before the foundation is not solidified;
and after the concrete is solidified, mounting the lacing wire on the lacing wire seat.
1. The cast steel node can be embedded in a concrete foundation, is firm and cannot damage a steel bar;
2. the cast steel node can be provided with a plurality of lacing wires at one time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a first perspective view of a pre-embedded cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 2 is a second perspective view of a pre-embedded cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 3 is a third perspective view of a pre-embedded cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 4 is a top view of a pre-buried cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 5 is a front view of a pre-buried cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 6 is a side view of a pre-buried cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
fig. 7 is a bottom view of a pre-embedded cast steel node for installing a plurality of tie bars according to an embodiment of the present invention;
in the figure:
1. a substrate; 1a, an anchor bolt hole; 1b, a vent hole;
2. a lacing wire seat; 2a, a first vertical plate; 2a1, a first via; 2b, a second vertical plate; 2b1, second via; 2c, reinforcing ribs;
3. a shear key; 3a, a vent hole; 3b, longitudinal rib holes;
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, an embedded cast steel node for installing a plurality of tie bars comprises a base plate 1, a tie bar seat 2 and a shear key 3, wherein the base plate 1, the tie bar seat 2 and the shear key 3 are integrated, the tie bar seat 2 is arranged at the top end of the base plate 1, the shear key 3 is arranged at the bottom end of the base plate 1, the base plate 1 is a regular polygon or a circular steel plate which is horizontally arranged, the tie bar seats 2 are arranged around the center equal-center angle of the center of the base plate 1, and a plurality of vertical anchor bolt holes 1a penetrating through the base plate 1 are formed in the base plate 1.
The base plate 1 is laminated with the top surface of concrete foundation and through crab-bolt and concrete foundation fixed connection, produces the stretching resistance, after the crab-bolt passes anchor bolt hole 1a through nut or welded mode and base plate 1 fixed connection, the lacing wire seat 2 is articulated with the stiff end of lacing wire, the lacing wire can be for reinforcing bar, angle bar, pipe or square pipe etc. because the crab-bolt can not be used for providing shear resistance, only can be used for providing the stretching resistance, so base plate 1 still need bury shear key 3 in the concrete and be used for providing shear resistance.
The base plate 1 is a square steel plate, the number of the tie bar bases 2 and the number of the anchor bolt holes 1a are four, and the tie bar bases 2 and the anchor bolt holes 1a are arranged at each corner of the base plate 1.
The base plate 1 is fixedly connected with four anchor bolts through anchor bolt holes 1a, and the base plate 1 is hinged with four tie bars through a tie bar seat 2.
The center of the substrate 1 is provided with a vent hole 1b vertically penetrating the substrate 1.
The vent holes 1b are used for exhausting air, when the cast steel nodes are pressed downwards into the concrete which is not solidified, air between the base plate 1 and the concrete is exhausted through the vent holes 1b, and cavitation bubbles are prevented from being generated between the base plate 1 and the concrete.
The lacing wire seat 2 is including first riser 2a and second riser 2b, first riser 2a and second riser 2b are vertical setting and the steel sheet that is parallel to each other, first riser 2a and second riser 2b structure are the same, first riser 2a upwards and towards keeping away from the direction extension in base plate 1 center, first riser 2a top is provided with the first through-hole 2a1 that runs through first riser 2a perpendicularly, second riser 2b top is provided with coaxial and with 2a2 in aperture with first through- hole 2a 1.
The lacing wire seat 2 is through first riser 2a and second riser 2b with the stiff end clamp of lacing wire in the centre of establishing, then articulated together through the cylindric lock with the hole and first through-hole 2a1, second through-hole 2b1 of lacing wire stiff end, has accomplished the fixed mounting of lacing wire promptly, and first riser 2a and second riser 2b provide for the lacing wire for the shear resistance of first through-hole 2a1 ascending resistance in the axial direction and the stretching resistance of radial direction.
All be provided with strengthening rib 2c on first riser 2a and the second riser 2b, strengthening rib 2c is the right triangle structure, and a right-angle side and first riser 2a or the side fixed connection of second riser 2b of strengthening rib 2c, another right-angle side and the top surface fixed connection of base plate 1 of strengthening rib 2 c.
The bead 2c serves to provide the first and second risers 2a, 2b with shear resistance in the axial direction with respect to the first through hole 2a1, enhancing the strength of the first and second risers 2a, 2 b.
The anchor hole 1a is arranged right in the middle of the first vertical plate 2a and the second vertical plate 2 b.
The pulling force that the lacing wire produced to lacing wire seat 2 passes through anchor bolt hole 1a and transmits to the crab-bolt, and anchor bolt hole 1a has shortened the transmission distance of pulling force in the middle of being located first riser 2a and second riser 2b, has effectively improved the intensity of base plate 1, avoids base plate 1 to warp under the pulling force effect of lacing wire.
The distance between the first riser 2a and the second riser 2b is greater than the dimension of opposite sides of the anchor nut and less than the dimension of opposite corners of the anchor nut.
The shear keys 3 are a plurality of rectangular steel plates which are vertically arranged and are arranged in parallel at equal intervals.
The shear key 3 is generally made of channel steel and I-steel, and is not made of large-sized channel steel and I-steel for a large cast steel node, and the substrate 1 and the shear key 3 are integrally cast, so that the shear key 3 can also be made of a plurality of steel plates arranged in parallel as long as enough shear resistance can be provided.
The shear key 3 is a four-piece square steel plate, and a plurality of second vent holes 3a vertically penetrating through the shear key 3 are formed at the top end of the shear key 3.
The second ventilation holes 3a are used for discharging air between the rectangular steel plates, and avoiding the generation of cavitation bubbles inside the concrete foundation.
The shear key 3 is provided with a plurality of longitudinal bar holes 3b vertically penetrating through the shear key 3.
The mutual conflict between the shear key 3 and the reinforcing steel bars in the concrete foundation is always a difficult problem in construction, the shear key 3 used by the large-scale cast steel node is large in size, the shear key 3 can be crossed with the structural reinforcing steel bars of the concrete foundation certainly, the reinforcing steel bars at the position of the shear key 3 are not allowed to be cut off and damaged, longitudinal bar holes 3b are reserved in the shear key 3, constructors can weave longitudinal bars through the longitudinal bar holes 3b directly when weaving a reinforcement cage, and then weave stirrups around the longitudinal bars to complete the manufacturing of the reinforcement cage, so that the cross installation of the shear key 3 and the reinforcing steel bars can be realized, and the reinforcing steel bars can not be damaged.
The working principle is as follows:
when weaving the reinforcement cage, constructors directly weave the longitudinal bars through the longitudinal bar holes 3b, and then weave the stirrups around the longitudinal bars to complete the manufacturing of the reinforcement cage;
then, the anchor bolt penetrates through the anchor bolt hole 1a, then a nut is installed at the threaded end of the anchor bolt, and after the anchor bolt nut is screwed in, the anchor bolt is moved towards the direction of the shear key 3, so that the anchor bolt nut is inserted between the first vertical plate 2a and the second vertical plate 2b and cannot rotate;
then, a concrete foundation is poured, and then the longitudinal reinforcement holes 3b, the anchor bolts and the reinforcement cage are inserted into the foundation before the foundation is not solidified;
after the concrete is solidified, the lacing wires are arranged on the lacing wire seats 2.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. The utility model provides a steel node is cast to pre-buried formula for installing many lacing wires, a serial communication port, including base plate (1), lacing wire seat (2) and shear key (3), base plate (1), lacing wire seat (2) and shear key (3) are integrative, lacing wire seat (2) set up the top at base plate (1), shear key (3) set up the bottom in base plate (1), regular polygon or circular steel sheet that base plate (1) set up for the level, the central isocentric angle setting of base plate (1) is encircleed in a plurality of lacing wire seats (2), be provided with a plurality of vertical anchor bolt holes (1a) that run through base plate (1) on base plate (1).
2. A pre-buried cast steel joint for installing a plurality of tie bars according to claim 1, wherein the base plate (1) is a square steel plate, four tie bar seats (2) and four anchor bolt holes (1a) are provided, and the tie bar seats (2) and the anchor bolt holes (1a) are provided at each corner of the base plate (1).
3. The embedded type cast steel node for installing a plurality of tie bars according to claim 1, wherein the center of the base plate (1) is provided with a vent hole (1b) vertically penetrating through the base plate (1).
4. An embedded cast steel joint for installing a plurality of tie bars according to claim 1, wherein the tie bar seat (2) comprises a first vertical plate (2a) and a second vertical plate (2b), the first vertical plate (2a) and the second vertical plate (2b) are vertically arranged steel plates which are parallel to each other, the first vertical plate (2a) and the second vertical plate (2b) have the same structure, the first vertical plate (2a) extends upwards and towards the direction far away from the center of the base plate (1), the top end of the first vertical plate (2a) is provided with a first through hole (2a1) which vertically penetrates through the first vertical plate (2a), and the top end of the second vertical plate (2b) is provided with a 2a2 which is coaxial with and has the same aperture as the first through hole (2a 1).
5. The pre-buried cast steel joint for installing a plurality of tie bars according to claim 4, wherein the first vertical plate (2a) and the second vertical plate (2b) are both provided with the reinforcing rib (2c), the reinforcing rib (2c) is of a right-angled triangle structure, one right-angled edge of the reinforcing rib (2c) is fixedly connected with the side surface of the first vertical plate (2a) or the second vertical plate (2b), and the other right-angled edge of the reinforcing rib (2c) is fixedly connected with the top surface of the base plate (1).
6. The embedded type cast steel joint for installing a plurality of tie bars according to claim 4, wherein the anchor bolt hole (1a) is arranged right in the middle of the first vertical plate (2a) and the second vertical plate (2 b).
7. An embedded cast steel joint for installing a plurality of tie bars according to claim 4, wherein the distance between the first riser (2a) and the second riser (2b) is greater than the dimension of opposite sides of the anchor nut and less than the dimension of opposite corners of the anchor nut.
8. The embedded type cast steel node for installing a plurality of tie bars according to claim 1, wherein the shear key (3) is a plurality of vertically arranged and equally spaced parallel rectangular steel plates.
9. The pre-buried type cast steel node for installing a plurality of tie bars according to claim 8, wherein the shear key (3) is a four-piece square steel plate, and a plurality of second ventilation holes (3a) vertically penetrating through the shear key (3) are formed at the top end of the shear key (3).
10. The embedded type cast steel node for installing a plurality of tie bars according to claim 8, wherein the shear key (3) is provided with a plurality of longitudinal bar holes (3b) vertically penetrating through the shear key (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326908.XU CN210685004U (en) | 2019-03-14 | 2019-03-14 | Pre-embedded cast steel node for installing multiple tie bars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326908.XU CN210685004U (en) | 2019-03-14 | 2019-03-14 | Pre-embedded cast steel node for installing multiple tie bars |
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| CN210685004U true CN210685004U (en) | 2020-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233835A (en) * | 2022-06-20 | 2022-10-25 | 中国能源建设集团广东省电力设计研究院有限公司 | Suspender embedded part at bottom of large-scale reinforced concrete beam |
-
2019
- 2019-03-14 CN CN201920326908.XU patent/CN210685004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233835A (en) * | 2022-06-20 | 2022-10-25 | 中国能源建设集团广东省电力设计研究院有限公司 | Suspender embedded part at bottom of large-scale reinforced concrete beam |
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