CN218814371U - Bearing carries prestressed structure and embraces support device tightly - Google Patents
Bearing carries prestressed structure and embraces support device tightly Download PDFInfo
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- CN218814371U CN218814371U CN202222736179.XU CN202222736179U CN218814371U CN 218814371 U CN218814371 U CN 218814371U CN 202222736179 U CN202222736179 U CN 202222736179U CN 218814371 U CN218814371 U CN 218814371U
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Abstract
The utility model discloses a bearing carries prestressed structure and embraces support device tightly, include: the prestressed concrete beam comprises a prestressed column (beam) and a holding support body; the outer surface of the prestressed column (beam) is sleeved with the holding support body, the holding support body comprises a front support frame, a rear support frame and a counter-pull rod assembly, the front support frame and the rear support frame are respectively located on the front side and the rear side of the prestressed column (beam), and the front support frame and the rear support frame are connected through the counter-pull rod assembly on the left side and the right side of the prestressed column (beam). The utility model discloses at the installation stage, exert great pretightning force through torque wrench to the pull rod subassembly, make the first backing plate subassembly of front side and the second backing plate subassembly of rear side form to prestressed column (roof beam) and embrace pressure tightly to further strengthen holding the pressure tightly of holding the support body to prestressed column (roof beam) through screwing up the formula of screwing up fastening assembly soon, thereby make and hold the support body tightly firmly fixed with prestressed column (roof beam).
Description
Technical Field
The utility model belongs to the technical field of glass curtain wall's support nodal connection, especially, relate to a bearing carries prestressed structure and embraces support device tightly.
Background
At present, more and more architects are dedicated to pursuing the transparent space with ultra-large span, the safety and reliability of the stay cable support connection of the large-span stay cable glass curtain wall are the most important part for realizing the design, however, in reality, more curtain wall designers are not sufficient for understanding the large-span stay cable system, embedded parts meeting the stress requirement of the stay cable cannot be designed in time, and under the condition that the project duration of most projects is more tense, the problems that the embedded parts are missed to be buried, mistakenly to be buried or the embedded parts cannot meet the design requirement and the like often occur due to insufficient understanding or insufficient attention of the owners, civil engineering units and curtain wall construction units.
In order to solve the problems of missing burying, wrong burying or incapability of meeting design requirements of embedded parts and the like, most construction units adopt a rear anchoring measure for remediation.
However, the conventional post-anchoring measures are that post-anchors are installed on the concrete column, when the load is large, the number of the post-anchors is large, the specification and the size are large, on one hand, the construction is difficult, the quality is difficult to guarantee, on the other hand, the damage to the original main body structure is large, and the safety is doubtful. And the large-size rear anchor bolts cannot be installed for the steel reinforced concrete columns (beams).
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bearing carries prestressed structure and embraces support device tightly to solve conventional back anchor measure and install rearmounted crab-bolt on concrete column, when the load is great, rearmounted crab-bolt quantity is a lot, and specification and size is great, on the one hand, is difficult to the construction, and the quality is hardly guaranteed, and on the other hand, to the also great technical problem of destruction of former body structure.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a support device is held tightly by a load-bearing prestressed structure, which comprises a prestressed column and a holding support body; the outer surface of the prestressed column is sleeved with the enclasping support body, the enclasping support body comprises a front support frame, a rear support frame and a counter-pull rod assembly, the front support frame and the rear support frame are respectively located on the front side and the rear side of the prestressed column, and the front support frame and the rear support frame are connected through the counter-pull rod assembly on the left side and the right side of the prestressed column.
The front support frame comprises two parallel front end transverse pipes, the left end and the right end of the rear side of each front end transverse pipe are fixedly connected with first backing plate assemblies, the distance between the two first backing plate assemblies is smaller than the width of the front side face of the prestressed column, the two parallel steel connecting pieces are welded in the middle between the front end transverse pipes, and the lug plates are welded in the middle between the two steel connecting pieces.
The rear seat frame comprises two parallel rear end transverse pipes, the rear end transverse pipes are fixedly connected with second backing plate assemblies at the left end and the right end of the front side of each rear end transverse pipe, two parallel connecting channel steels are welded at the middle parts between the two rear end transverse pipes, and rotary fastening assemblies are arranged at the middle parts of the connecting channel steels.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the opposite-pull rod assembly comprises a second lead screw, the front end and the rear end of the second lead screw penetrate through the front end transverse pipe and the rear end transverse pipe respectively, nuts are sleeved on the front side and the rear side of the front end transverse pipe and the rear side of the rear end transverse pipe of the front end and the rear end of the outer surface of the second lead screw respectively, and gaskets are arranged between the front end nut and the front end transverse pipe and between the rear end nut and the rear end transverse pipe.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the first backing plate assembly comprises a rectangular steel plate, the middle of the front side face of the rectangular steel plate is welded with the rear side face of the front end transverse pipe, reinforcing triangular plates are symmetrically welded to the upper end and the lower end of the front side of the rectangular steel plate in the transverse pipe vertical direction at the front end, the upper reinforcing triangular plate and the lower reinforcing triangular plate are welded to the upper side and the lower side of the front end transverse pipe respectively, and first anti-skidding steel teeth are arranged on the rear side face of the rectangular steel plate.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the rotary fastening assembly comprises a first lead screw, the middle of the outer surface of the first lead screw is in through connection with the middle of a channel steel, the first lead screw is meshed with the connection channel steel, the rear end of the first lead screw is fixedly connected with a rotary table, the front end of the first lead screw is rotatably connected with a rotary sleeve, the front side of the rotary sleeve is fixedly connected with a clamping steel plate, and the front side of the clamping steel plate is provided with a second anti-skidding steel tooth.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the front end transverse pipe comprises a square through transverse pipe, and plugging steel plates are welded at the left end port and the right end port of the square through transverse pipe; the rear end transverse tube and the front end transverse tube are identical in structure and different in size.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: first pull rod reinforcing plates are welded at the left end and the right end of the front side of the front end transverse pipe, and the distance between the left first pull rod reinforcing plate and the right first pull rod reinforcing plate is larger than the width of the front side face of the prestressed column.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the front side of the joint of the front end transverse pipe and the steel connecting piece is welded with a connecting piece reinforcing plate, and a first lateral restraint diagonal brace is welded between the middle part of the outer side of the steel connecting piece and the front end transverse pipe.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: the second base plate component and the first base plate component are identical in structure and different in size, and the distance between the left second base plate component and the right second base plate component is smaller than the width of the rear side face of the prestressed column.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: second pull rod reinforcing plates are welded at the left end and the right end of the rear side of the rear end transverse pipe, and the distance between the two second pull rod reinforcing plates is larger than the width of the rear side face of the prestressed column.
The utility model adopts the above be used for bearing heavy load prestressed structure hold support device tightly, further: and a second lateral restraint diagonal brace rod is welded between the middle part of the outer side of the connecting channel steel and the rear end transverse tube.
The utility model has the advantages that:
1. in the installation stage, the utility model applies larger pretightening force to the pull rod assembly through the torque wrench, so that the first base plate assembly at the front side and the second base plate assembly at the rear side form holding pressure to the prestressed column, and the holding pressure of the holding support body to the prestressed column is further enhanced through screwing the rotary fastening assembly, thereby the holding support body and the prestressed column are firmly fixed; in the working stage, huge inhaul cable pulling force from the lug plate is transmitted to the front end transverse pipe through the steel connecting piece, the pulling force of the inhaul cable is balanced through reduction of the counterforce of the concrete column (or the beam) on the first cushion plate assembly, and therefore the loading effect of the front end transverse pipe, the rear end transverse pipe and the pull rod assembly and the compressive stress of the second cushion plate assembly and the clamping steel plate on the prestressed column are basically maintained unchanged, and reliable work of the enclasping support device is guaranteed.
2. When the utility model is installed, operations such as hole forming and slotting are not needed to the main structure, thus avoiding the operation of a traditional rear anchoring system for forming a large number of holes on the main structure; the utility model has convenient installation, all components of the tightly holding support body are manufactured in factories, only a torque wrench is needed to apply pretightening force to the pull rod and screw down the rotary fastening component on site, and no on-site welding is needed; the utility model has strong rationality, the traditional final stress of the rear anchoring is that the anchor bolt is pulled or sheared, the tightly holding support device converts the pulling force from the curtain wall into the pressure to the concrete, and the compression performance of the concrete is very good, so that the whole stress system is more reasonable; the utility model discloses extensive applicability, at floor intermediate structure post position, should hold support device tightly and can directly use, have roof beam or shear force wall position between the layer, only need open a hole on roof beam or shear force wall enable the pull rod pass can, extensive applicability.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
fig. 1 is a front view schematically illustrating a clasping support device with a heavy-duty prestressed structure according to an embodiment of the present invention;
fig. 2 is a schematic side view of a first tie plate assembly according to an embodiment of the present invention;
fig. 3 is a schematic top view of an ear plate according to an embodiment of the present invention;
FIG. 4 is a rear view of a seat means for holding the heavy-duty prestressed structure according to an embodiment;
FIG. 5 is a schematic top view of a fastening support device of an embodiment of the heavy-duty prestressed structure;
fig. 6 is a schematic top view of a rotary fastening assembly according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a pre-stressed column; 2. a front end cross tube; 201. a square tube horizontal tube; 202. plugging a steel plate; 3. a first bolster plate assembly; 301. a rectangular steel plate; 302. reinforcing the triangular plate; 303. a first anti-slip steel tooth; 4. a first tie bar stiffener; 5. a steel connector; 6. a connector reinforcing plate; 7. a first lateral restraint diagonal brace; 8. an ear plate; 9. a rear end cross tube; 10. a second bolster plate assembly; 11. a second tie bar stiffener; 12. connecting channel steel; 13. a second laterally constrained diagonal strut; 14. a rotary fastening assembly; 1401. a first lead screw; 1402. a turntable; 1403. rotating the sleeve; 1404. clamping the steel plate; 1405. a second anti-slip steel tooth; 15. a tie rod assembly; 1501. a second screw rod; 1502. a nut; 1503. and (7) a gasket.
Detailed Description
Hereinafter, embodiments of the present invention in which the load-bearing prestressed structure embraces the pedestal device will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other embodiments that are obvious based on the disclosure of the claims and the specification herein, including those that employ any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-6 show that the utility model relates to an embodiment bears heavy load prestressed structure and embraces support device tightly, it includes: the prestressed column 1 and the enclasping support body; the outer surface of the prestressed column 1 is sleeved with the enclasping support body, the enclasping support body comprises a front support frame, a rear support frame and a counter-pull rod assembly 15, the front support frame and the rear support frame are respectively located on the front side and the rear side of the prestressed column 1, and the front support frame and the rear support frame are connected through the counter-pull rod assembly 15 on the left side and the right side of the prestressed column 1.
The front seat frame comprises two parallel front end transverse pipes 2, each front end transverse pipe 2 comprises a square tube transverse pipe 201, plugging steel plates 202 are welded to the left and right ends of the square tube transverse pipe 201, impurities can be prevented from entering the square tube transverse pipe 201 to cause pollution corrosion of the square tube transverse pipe 201 through the arrangement of the plugging steel plates 202, first backing plate assemblies 3 are fixedly connected to the left and right ends of the rear side of the front end transverse pipe 2, the distance between the two first backing plate assemblies 3 is smaller than the width of the front side of a prestressed column 1, each first backing plate assembly 3 comprises a rectangular steel plate 301, the middle of the front side of the rectangular steel plate 301 is welded to the rear side of the front end transverse pipe 2, reinforcing triangular plates 302 are symmetrically welded to the upper side and the lower side of the front end transverse pipe 2 at the upper end and the lower side of the rectangular steel plate 301, the upper reinforcing plate 302 and the lower reinforcing plate 302 are welded to the upper side and the lower side of the front end transverse pipe 2 respectively, first anti-skid steel teeth 303 are arranged on the rear side of the rectangular steel plate 301, first pull rod reinforcing plates 4 are welded to the left and right ends of the front end transverse pipe 2, the distance between the left and right reinforcing plates 4 is larger than the front end reinforcing plates 1, the width of the two reinforcing plates 5, the front end transverse pipe 5 are welded to the front end transverse pipe 5, and the front end transverse connecting pieces 5 are welded to the front connecting pieces 5, and the corresponding steel connecting pieces 5, and the corresponding transverse connecting pieces, and the two reinforcing plates 5 are welded to the front transverse pipes 5, and the two reinforcing plates 5.
The rear support frame comprises two rear end transverse pipes 9 which are parallel and parallel, the rear end transverse pipes 9 are the same as the front end transverse pipes 2 in structure and different in size, second cushion plate assemblies 10 are fixedly connected to the left and right ends of the front side of each rear end transverse pipe 9, the second cushion plate assemblies 10 are the same as the first cushion plate assemblies 3 in structure and different in size, the distance between the left and right second cushion plate assemblies 10 is smaller than the width of the rear side face of a prestressed column 1, second pull rod reinforcing plates 11 are welded to the left and right ends of the rear side of each rear end transverse pipe 9, the distance between the two second pull rod reinforcing plates 11 is larger than the width of the rear side face of the prestressed column 1, two parallel and parallel connection channel steel pipes 12 are welded to the middle portion between the two rear end transverse pipes 9, second lateral constraint inclined support rods 13 are welded to the middle portion of the outer side of each connection channel steel pipe 12 and the rear end transverse pipes 9, rotary fastening assemblies 14 are arranged in the middle portions of the connection channel steel pipes 12, each rotary fastening assembly 14 comprises a first lead screw 1401, the outer surface of each first 1401 penetrates through the middle portion of each connection channel steel pipe 12, each first lead screw 1401 is meshed with the connection channel 1401, a rotary lead screw 1402 is fixedly connected to the first lead screw 1401, a rotary lead screw 1401 is fixedly connected to the front end transverse pipe 1403, and a front clamping screw 1403 is fixedly connected to the front end transverse pipe 1403, and a front clamping steel plate 1403 is connected to the front side of the front screw clamp, and a front screw arbor 1403 is connected with the sliding screw.
The opposite-pull rod assembly 15 comprises a second lead screw 1501, the front end and the rear end of the second lead screw 1501 penetrate through the front end transverse pipe 2 and the rear end transverse pipe 9 respectively, nuts 1502 are sleeved on the front side of the front end transverse pipe 2 and the rear side of the rear end transverse pipe 9 at the front end and the rear end of the outer surface of the second lead screw 1501, and gaskets 1503 are arranged between the front end nuts 1502 and the front end transverse pipe 2 and between the rear end nuts 1502 and the rear end transverse pipe 9.
The working principle is as follows:
in the installation stage of the utility model, the tension rod assembly 15 is applied with large pretightening force by a torque wrench, so that the first base plate assembly 3 at the front side and the second base plate assembly 10 at the rear side form holding pressure to the prestressed column 1, and the holding pressure of the holding support body to the prestressed column 1 is further enhanced by screwing the rotary fastening assembly 14 (the specific operation process is that the clockwise rotation turntable 1402 drives the first lead screw 1401 to clockwise rotate, and the clockwise rotation first lead screw 1401 moves forwards under the transmission action of the thread structure until the clamping steel plate 1404 is tightly attached to the structural column or beam), so that the holding support body is firmly fixed with the prestressed column 1; in the working stage, huge pulling force of the pulling rope from the lug plate 8 is transmitted to the front end transverse pipe 2 through the steel connecting piece 5, and the pulling force of the pulling rope is balanced by reducing the counter force of the concrete column (or beam) to the first backing plate component 3, so that the loading effect of the front end transverse pipe 2, the rear end transverse pipe 9 and the counter pull rod component 15 and the compression stress of the second backing plate component 10 and the clamping steel plate 1404 to the prestressed column 1 are basically maintained unchanged, and the reliable work of the holding support device is ensured.
When the utility model is installed, operations such as hole forming and slotting on the main structure are not needed, thus avoiding the operation of a traditional rear anchoring system on a large number of holes on the main structure; the utility model has convenient installation, all components of the tightly holding support body are manufactured in factories, only a torque wrench is needed to apply pretightening force to the pull rod and screw down the rotary fastening component 14 on site, and no on-site welding is needed; the utility model has strong rationality, the traditional final stress of the rear anchoring is that the anchor bolt is pulled or sheared, the tightly holding support device converts the pulling force from the curtain wall into the pressure to the concrete, and the compression performance of the concrete is very good, so that the whole stress system is more reasonable; the utility model discloses extensive applicability, at floor intermediate structure post position, should hold support device tightly and can directly use, have roof beam or shear force wall position between the layer, only need open a little hole on roof beam or shear force wall enable the pull rod pass can, extensive applicability.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (10)
1. The utility model provides a bearing carries prestressed structure and embraces support device tightly which characterized in that includes: the prestressed column (1) and the enclasping support body; the holding support body is sleeved on the outer surface of the prestressed column (1), the holding support body comprises a front support frame, a rear support frame and a counter-pull rod assembly (15), the front support frame and the rear support frame are respectively positioned on the front side and the rear side of the prestressed column (1), and the front support frame and the rear support frame are connected on the left side and the right side of the prestressed column (1) through the counter-pull rod assembly (15);
the front support frame comprises two parallel front end transverse pipes (2), the left end and the right end of the rear side of each front end transverse pipe (2) are fixedly connected with first backing plate assemblies (3), the distance between the two first backing plate assemblies (3) is smaller than the width of the front side face of the prestressed column (1), two parallel steel connecting pieces (5) are welded in the middle between the two front end transverse pipes (2), and an ear plate (8) is welded in the middle between the two steel connecting pieces (5);
the rear seat frame comprises two parallel rear end transverse pipes (9), the rear end transverse pipes (9) are fixedly connected with second backing plate assemblies (10) at the left end and the right end of the front side, two parallel connecting channel steel (12) are welded in the middle between the two rear end transverse pipes (9), and rotary fastening assemblies (14) are arranged in the middle of the connecting channel steel (12).
2. The support device is embraced by a load-bearing prestressed structure according to claim 1, characterized in that said tie-rod assembly (15) comprises a second lead screw (1501), the front and rear ends of said second lead screw (1501) respectively pass through the front end transverse pipe (2) and the rear end transverse pipe (9), the front and rear ends of the outer surface of the second lead screw (1501) are respectively sleeved with a nut (1502) at the front side of the front end transverse pipe (2) and the rear side of the rear end transverse pipe (9), and gaskets (1503) are respectively arranged between the front end nut (1502) and the front end transverse pipe (2) and between the rear end nut (1502) and the rear end transverse pipe (9).
3. The support device is embraced by a load-bearing prestressed structure according to claim 1, characterized in that said first tie plate assembly (3) comprises a rectangular steel plate (301), the middle of the front side of said rectangular steel plate (301) is welded with the rear side of the front end horizontal tube (2), the upper and lower ends of the front side of said rectangular steel plate (301) are symmetrically welded with the upper and lower sides of the front end horizontal tube (2) with reinforcing triangular plates (302), and the upper and lower reinforcing triangular plates (302) are respectively welded with the upper and lower sides of the front end horizontal tube (2), and the rear side of said rectangular steel plate (301) is provided with first anti-skid steel teeth (303).
4. The tightening support device for the load-bearing prestressed structure according to claim 1, wherein the rotary fastening assembly (14) comprises a first screw rod (1401), the middle part of the outer surface of the first screw rod (1401) penetrates through the middle part of the connecting channel (12), the first screw rod (1401) is meshed with the connecting channel (12), the rear end of the first screw rod (1401) is fixedly connected with a rotary plate (1402), the front end of the first screw rod (1401) is rotatably connected with a rotary sleeve (1403), the front side of the rotary sleeve (1403) is fixedly connected with a clamping steel plate (1404), and the front side of the clamping steel plate (1404) is provided with a second anti-skidding steel tooth (1405).
5. The bearing device for the load-bearing prestressed structure enclasping support according to claim 1, wherein the front end transverse pipe (2) comprises a square tube (201), and blocking steel plates (202) are welded at the left and right ends of the square tube (201); the rear end transverse pipe (9) and the front end transverse pipe (2) have the same structure and different sizes.
6. The support device for clasping a load-bearing prestressed structure according to claim 1, characterized in that the front transverse tube (2) is welded with first tie-rod reinforcing plates (4) at the left and right ends of the front side, and the distance between the left and right first tie-rod reinforcing plates (4) is greater than the width of the front side of the prestressed column (1).
7. The bearing device for holding the load-bearing prestressed structure tightly according to claim 1, wherein a connector reinforcing plate (6) is welded on the front side of the joint of the front end transverse pipe (2) and the steel connector (5), and a first lateral restraint diagonal brace (7) is welded between the middle part of the outer side of the steel connector (5) and the front end transverse pipe (2).
8. The bearing device for holding the prestressed structure according to claim 1, wherein said second tie plate assembly (10) is the same structure and different size with the first tie plate assembly (3), and the distance between the left and right second tie plate assemblies (10) is smaller than the width of the rear side of the prestressed column (1).
9. The bearing load prestressed structure enclasping support device according to claim 1, wherein the rear transverse tube (9) has second tie-bar reinforcing plates (11) welded to the left and right ends of the rear side, and the distance between the two second tie-bar reinforcing plates (11) is greater than the width of the rear side of the prestressed column (1).
10. The bearing load prestressed structure enclasping support device according to claim 1, characterized in that a second lateral restraint diagonal brace (13) is welded between the middle part of the outer side of the connecting channel steel (12) and the rear end transverse tube (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222736179.XU CN218814371U (en) | 2022-10-18 | 2022-10-18 | Bearing carries prestressed structure and embraces support device tightly |
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CN202222736179.XU CN218814371U (en) | 2022-10-18 | 2022-10-18 | Bearing carries prestressed structure and embraces support device tightly |
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CN218814371U true CN218814371U (en) | 2023-04-07 |
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CN202222736179.XU Active CN218814371U (en) | 2022-10-18 | 2022-10-18 | Bearing carries prestressed structure and embraces support device tightly |
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