CN217460895U - Spliced assembled curve steel-concrete combined beam - Google Patents
Spliced assembled curve steel-concrete combined beam Download PDFInfo
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- CN217460895U CN217460895U CN202221412269.7U CN202221412269U CN217460895U CN 217460895 U CN217460895 U CN 217460895U CN 202221412269 U CN202221412269 U CN 202221412269U CN 217460895 U CN217460895 U CN 217460895U
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Abstract
The utility model discloses a splicing type assembled curve steel-concrete combined beam, belonging to the technical field of precast concrete beams, comprising a steel beam and a precast concrete slab; the surface of the steel beam is provided with a plurality of trapezoidal blocks; a clamping groove is formed between the adjacent trapezoidal blocks; the corresponding surface of the precast concrete plate is provided with a plurality of grooves corresponding to the plurality of trapezoidal blocks; a clamping block is formed between the adjacent grooves; both sides of the clamping block are provided with sliding grooves; a wedge block is arranged in the chute in a sliding way; the wedge block is connected with the side wall of the chute; wedge-shaped grooves are formed in the two sides of the trapezoidal block; two sides of the trapezoidal block are provided with trapezoidal edges; the connecting pieces are arranged at the two ends of the steel beam, the utility model can greatly shorten the construction period, reduce the production cost and improve the installation speed; the wedge block is matched with the wedge groove, so that the integral performance is improved while the shearing resistance of the interface is met; the hook is adopted for fixed installation, so that the field assembling speed is increased, the production cost is reduced, and the lifting resistance of high-altitude operation is enhanced while the overall performance is ensured.
Description
Technical Field
The utility model belongs to the technical field of the precast concrete roof beam, concretely relates to concatenation type assembled curve steel-concrete composite beam.
Background
The steel-concrete composite beam is a novel structural beam formed by combining a steel structure and a concrete structure. The shear connector is arranged between the steel structure and the concrete structure to resist the lifting and the relative sliding of the steel structure and the concrete structure at an interface, so that a whole is formed; the composite beam in the prior art is mostly formed by pouring on a construction site, a large amount of manpower and working hours are consumed while the construction efficiency is low, and the safety and reliability of the composite beam are influenced because the welding quality is greatly influenced by human factors and cannot be fully ensured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a concatenation type assembled curve steel-concrete composite beam to solve the technical problem that the efficiency of construction is low among the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a splicing type assembled curve steel-concrete combined beam, which comprises a steel beam and a precast concrete slab positioned above the steel beam; a plurality of trapezoidal blocks are arranged on the surface of the steel beam at intervals along the length direction vertical to the steel beam; a clamping groove is formed between the adjacent trapezoidal blocks; a plurality of grooves corresponding to the plurality of trapezoidal blocks are formed on the corresponding surface of the precast concrete plate; a clamping block matched with the clamping groove is formed between every two adjacent grooves; the two sides of the clamping block are both provided with sliding grooves; a wedge block is arranged in the sliding groove in a sliding manner; the wedge block is connected with the side wall of the sliding chute far away from the wedge block through a spring; wedge grooves matched with the wedge blocks are formed in the two sides of the trapezoid blocks; two sides of the trapezoid block are provided with trapezoid edges for the wedge block to slide; and connecting pieces for fixing the precast concrete plates and the steel beams are arranged at the two ends of the steel beams.
Furthermore, the connecting piece comprises pushing cylinders which are detachably arranged at two ends of the steel beam and are vertically downward; the telescopic shaft of the pushing cylinder is connected with a transfer block; the transmission block is connected with a fixed block; sliding holes for the fixed blocks to slide are formed in the vertical directions of the two sides of the steel beam; a square groove is formed in the side wall of the upper end of the fixed block, close to one side of the precast concrete slab; the square groove is internally and slidably connected with a square block; square holes matched with the square blocks are formed in the two sides of the precast concrete plate; a tight abutting cylinder is detachably arranged on the side wall of the fixed block, which is far away from one side of the precast concrete slab, in the horizontal direction; the telescopic shaft of the abutting cylinder penetrates through the side wall and is connected with the square block.
Furthermore, an accommodating groove is formed in the steel beam; a pouring groove is formed in the fixed block; one end of the pouring groove is communicated with the accommodating groove, and the other end of the pouring groove is communicated with the square groove; the precast concrete plate is provided with a pouring hole; the square block is provided with a communicating groove; one end of the communicating groove is communicated with the pouring hole, and the other end of the communicating groove is communicated with the square groove; and a binder is arranged in the pouring hole, the communication groove, the square groove, the pouring groove and the accommodating groove.
Further, the precast concrete plate is provided with a plurality of pouring holes; the plurality of filling holes are respectively communicated with the plurality of grooves at the corresponding positions.
Further, the top wall of the groove is provided with an upper hook; and the trapezoidal block is provided with a lower hook corresponding to the upper hook.
Further, reinforcing blocks are arranged on two sides of the fixing block; one side wall of the reinforcing block is connected with the fixing block, and the other side wall of the reinforcing block is connected with the steel beam.
The beneficial effects of the utility model reside in that:
the utility model provides a splicing type assembled curve steel-concrete composite beam, which can greatly shorten the construction period, reduce the production cost and improve the installation speed; the wedge block is matched with the wedge groove, so that the integral performance is improved while the shearing resistance of the interface is met; the hook is adopted for fixed installation, so that the field assembling speed is increased, the production cost is reduced, and the lifting resistance of high-altitude operation is enhanced while the overall performance is ensured.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a sectional view of a curved steel-concrete composite beam according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partially enlarged view of the point B in fig. 1 according to the present invention.
The drawings are numbered as follows: the steel beam comprises a steel beam 1, a precast concrete plate 2, a trapezoidal block 3, a clamping groove 4, a groove 5, a clamping block 6, a sliding groove 7, a wedge block 8, a spring 9, a wedge-shaped groove 10, a connecting piece 11, a pushing cylinder 111, a transfer block 112, a fixing block 113, a sliding hole 114, a square groove 115, a square block 116, a square hole 117, a butting cylinder 118, a receiving groove 12, a pouring groove 13, a pouring hole 14, a communicating groove 15, a pouring hole 16, an upper hook 17, a lower hook 18 and a reinforcing block 19.
Detailed Description
As shown in fig. 1 to 3, the utility model provides a spliced assembled curved steel-concrete composite beam, which comprises a steel beam 1 and a precast concrete slab 2 located above the steel beam 1; a plurality of trapezoidal blocks 3 are integrally formed on the surface of the steel beam 1 at intervals along the length direction vertical to the steel beam 1; a clamping groove 4 is formed between the adjacent trapezoidal blocks 3; a plurality of grooves 5 corresponding to the plurality of trapezoidal blocks 3 are formed on the corresponding surface of the precast concrete plate 2; a clamping block 6 matched with the clamping groove 4 is formed between the adjacent grooves 5; as shown in fig. 2, the two sides of the fixture block 6 are both provided with sliding grooves 7; a wedge block 8 is arranged in the chute 7 in a sliding way; the wedge block 8 is connected with the side wall of the chute 7 far away from the wedge block 8 through a spring 9; wedge grooves 10 matched with the wedges 8 are formed in the two sides of the trapezoidal block 3; the two sides of the trapezoidal block 3 are integrally formed with trapezoidal edges, so that when the precast concrete plate 2 is spliced with the steel beam 1, the wedge block 8 can be downwards scribed along the trapezoidal edges and enter the wedge groove 10; both ends of girder steel 1 all are equipped with the connecting piece 11 that is used for fixed precast concrete board 2 and girder steel 1.
The principle and the effect of the scheme are as follows:
after the precast concrete plate 2 is matched with the clamping groove 4 on the steel beam 1 through the clamping block 6 to complete positioning, the wedge block 8 in the sliding groove 7 is contracted under the action of the two trapezoidal edges on the trapezoidal block 3, enters the wedge-shaped groove 10 under the action of the spring 9 after leaving the trapezoidal edges to complete connection, and then the connection strength of the concrete plate and the steel beam 1 is improved through the connecting piece 11.
The wedge block 8 is matched with the two trapezoidal edges of the trapezoidal block 3, when the precast concrete plate 2 is spliced with the steel beam 1, the wedge block 8 can automatically contract along the trapezoidal edges and enter the wedge groove 10 to complete connection, one part of the wedge block 8 is located in the wedge groove 10, the other part of the wedge block 8 is located in the sliding groove 7 of the fixture block 6, automatic connection is guaranteed, and meanwhile the connection strength of the concrete plate and the steel beam 1 is improved.
In this embodiment, as shown in fig. 1 and 3, the connecting member 11 includes a pushing cylinder 111 which faces downward vertically and is bolted to two ends of the steel beam 1; a telescopic shaft of the pushing cylinder 111 is connected with a transmission block 112 through a bolt; the transmission block 112 is connected with a fixed block 113 through a bolt; sliding holes 114 for the fixed blocks 113 to slide are formed in the vertical direction on the two sides of the steel beam 1; a square groove 115 is formed in the side wall of the upper end of the fixing block 113 close to one side of the precast concrete slab 2; a square block 116 is connected in the square groove 115 in a sliding manner; both sides of the precast concrete plate 2 are provided with square holes 117 matched with the square blocks 116; a horizontally arranged abutting cylinder 118 is connected to the side wall of the fixing block 113 far away from the precast concrete plate 2 through bolts; the right side wall of the block 116 is provided with a threaded hole, and a telescopic shaft of the abutting cylinder 118 penetrates through the side wall and is in threaded connection with the threaded hole of the block 116.
The principle and the beneficial effects of the technical scheme are as follows:
the fixing block 113 can be controlled to slide in the sliding hole 114 by controlling the telescopic shaft of the pushing cylinder 111, and the block 116 is pushed into the square hole 117 by matching with the abutting cylinder 118 to realize the reinforcement of the precast concrete plate 2 and the steel beam 1.
The position of the fixing block 113 is adjusted by controlling the cylinder to control the fixing block 113 to slide in the sliding hole 114, so that the device can adapt to precast concrete plates 2 with different height sizes, and has strong adaptability; the square block 116 on the abutting cylinder 118 is matched to enhance the connection strength of the precast concrete plate 2 and the steel beam 1, and after the square block 116 is pushed into the square hole 117, the whole fixing block 113 is in an L shape and can resist the transverse acting force of the precast concrete plate 2 on the steel beam 1; because the pushing cylinder 111 is in bolted connection with the steel beam 1, and the transmission block 112 is in bolted connection with the fixed block 113 and the pushing cylinder 111 respectively, after the square block 116 is pushed into the square hole 117 under the action of the abutting cylinder 118, the pushing cylinder 111 and the transmission block 112 can be detached, so that the cost is saved; because the telescopic shaft of the abutting cylinder 118 is in threaded connection with the square 116, after the square 116 is pushed into the square hole 117, the abutting cylinder 118 can be detached, the cost is saved, and a concrete column is used for plugging a hole formed in the side wall of the fixing block 113 after the telescopic shaft of the abutting cylinder 118 is detached.
In this embodiment, as shown in fig. 1 and 3, two accommodating grooves 12 are formed in the steel beam 1; a pouring groove 13 is formed in the fixed block 113; the lower end of the pouring groove 13 is communicated with the accommodating groove 12, and the upper end of the pouring groove is communicated with the square groove 115; the precast concrete plate 2 is provided with a pouring hole 14; the square block 116 is provided with a communicating groove 15; the upper end of the communicating groove 15 is communicated with the pouring hole 14, and the right end of the communicating groove is communicated with the square groove 115; the casting hole 14, the communication groove 15, the square groove 115, the casting groove 13, and the accommodation groove 12 are filled with an adhesive (not shown).
The principle and the beneficial effects of the technical scheme are as follows:
since the pouring holes 14, the communication grooves 15, the square grooves 115, the pouring grooves 13, and the accommodating grooves 12 are sequentially communicated, the connection strength between the reinforcing blocks 19, the precast concrete panels 2, and the steel beams 1 can be enhanced by pouring the adhesive.
In this embodiment, as shown in fig. 1, the precast concrete slab 2 is provided with a plurality of pouring holes 16, and the plurality of pouring holes 16 are respectively communicated with a plurality of corresponding grooves 5.
The principle and the beneficial effects of the technical scheme are as follows:
by pouring concrete into the pouring hole 14, the concrete flows into the groove 5 along the pouring hole 16 and enters the clamping groove 4 along the groove 5, so that the connection strength between the precast concrete plate 2 and the steel beam 1 can be further improved.
In this embodiment, as shown in fig. 3, the top wall of the groove 5 is connected with an upper hook 17; the trapezoidal block 3 is connected with a lower hook 18 hooked with the upper hook 17.
The principle and the beneficial effects of the technical scheme are as follows:
the upper hook 17 and the lower hook 18 are adopted for fixed installation, so that on one hand, the field assembling speed is increased, the production cost is reduced, and on the other hand, the anti-lifting capability of high-altitude operation is enhanced while the overall performance is ensured.
In this embodiment, as shown in fig. 1, reinforcing blocks 19 are disposed at two sides of the fixing block 113; the left side wall of the reinforcing block 19 is bolted to the fixing block 113, and the lower side wall is bolted to the steel beam 1.
The principle and the beneficial effects of the technical scheme are as follows:
the reinforcing block 19 is provided to further improve the connection strength between the fixing block 113 and the steel beam 1.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The spliced assembled curve steel-concrete combined beam is characterized in that: the prefabricated concrete slab comprises a steel beam and a prefabricated concrete slab positioned above the steel beam; a plurality of trapezoidal blocks are arranged on the surface of the steel beam at intervals along the length direction vertical to the steel beam; a clamping groove is formed between the adjacent trapezoidal blocks; a plurality of grooves corresponding to the plurality of trapezoidal blocks are formed on the corresponding surface of the precast concrete plate; a clamping block matched with the clamping groove is formed between the adjacent grooves; the two sides of the clamping block are both provided with sliding grooves; a wedge block is arranged in the sliding groove in a sliding manner; the wedge block is connected with the side wall of the sliding chute far away from the wedge block through a spring; wedge grooves matched with the wedge blocks are formed in the two sides of the trapezoidal block; two sides of the trapezoid block are provided with trapezoid edges for the wedge block to slide; and connecting pieces for fixing the precast concrete plates and the steel beams are arranged at the two ends of the steel beams.
2. The assembled curved steel-concrete composite beam of claim 1, wherein: the connecting piece comprises pushing cylinders which are detachably arranged at two ends of the steel beam and are vertically downward; the telescopic shaft of the pushing cylinder is connected with a transfer block; the transmission block is connected with a fixed block; sliding holes for the fixed blocks to slide are formed in the vertical directions of the two sides of the steel beam; a square groove is formed in the side wall of the upper end of the fixed block, close to one side of the precast concrete slab; the square groove is internally and slidably connected with a square block; square holes matched with the square blocks are formed in the two sides of the precast concrete plate; a pressing cylinder is detachably arranged on the side wall of the fixed block, which is far away from one side of the precast concrete plate, in the horizontal direction; the telescopic shaft of the abutting cylinder penetrates through the side wall and is connected with the square block.
3. The assembled curved steel-concrete composite beam of claim 2, wherein: the inside of the steel beam is provided with an accommodating groove; a pouring groove is formed in the fixed block; one end of the pouring groove is communicated with the accommodating groove, and the other end of the pouring groove is communicated with the square groove; the precast concrete plate is provided with a pouring hole; the square block is provided with a communicating groove; one end of the communicating groove is communicated with the pouring hole, and the other end of the communicating groove is communicated with the square groove; and a binder is arranged in the pouring hole, the communication groove, the square groove, the pouring groove and the accommodating groove.
4. The assembled curved steel-concrete composite beam of claim 3, wherein: the precast concrete plate is provided with a plurality of pouring holes; the plurality of filling holes are respectively communicated with the plurality of grooves at the corresponding positions.
5. The spliced assembled curved steel-concrete composite beam according to claim 4, wherein: the top wall of the groove is provided with an upper hook; and the trapezoidal block is provided with a lower hook corresponding to the upper hook.
6. The spliced assembled curved steel-concrete composite beam according to claim 5, wherein: reinforcing blocks are arranged on two sides of the fixing block; one side wall of the reinforcing block is connected with the fixing block, and the other side wall of the reinforcing block is connected with the steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221412269.7U CN217460895U (en) | 2022-06-08 | 2022-06-08 | Spliced assembled curve steel-concrete combined beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221412269.7U CN217460895U (en) | 2022-06-08 | 2022-06-08 | Spliced assembled curve steel-concrete combined beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460895U true CN217460895U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221412269.7U Active CN217460895U (en) | 2022-06-08 | 2022-06-08 | Spliced assembled curve steel-concrete combined beam |
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| Country | Link |
|---|---|
| CN (1) | CN217460895U (en) |
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2022
- 2022-06-08 CN CN202221412269.7U patent/CN217460895U/en active Active
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