CN211597372U - Self-resetting enhanced column base - Google Patents
Self-resetting enhanced column base Download PDFInfo
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- CN211597372U CN211597372U CN201922045241.9U CN201922045241U CN211597372U CN 211597372 U CN211597372 U CN 211597372U CN 201922045241 U CN201922045241 U CN 201922045241U CN 211597372 U CN211597372 U CN 211597372U
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Abstract
The utility model discloses a self-resetting enhanced column base which is constructed on the foundation basis and comprises a steel column, a high-strength pull rod, a cantilever plate, a limiting device, an anchor rod and a limiting cushion plate; the steel column is inserted into a limit groove of the foundation; the high-strength pull rod penetrates through the transverse stiffening rib of the steel column, and a first disc-shaped spring set is arranged at the top ends of the transverse stiffening rib and the high-strength pull rod for fixing; the cantilever plate is horizontally fixed on the outer side of the steel column; the limiting device is fixed on the top surface of the cantilever plate; the stock bottom is connected with the foundation basis, and the body of rod passes the through-hole of board and stop device of encorbelmenting to the cover is equipped with second belleville spring group, and is equipped with spacing backing plate and high strength nut at its both ends symmetry cover. The utility model discloses a exert precompression for belleville spring and make the steel column possess from the reset ability. During strong earthquake, the steel column swings to reduce earthquake damage, and self-resetting is realized through the disc spring after the earthquake.
Description
Technical Field
The utility model relates to an antidetonation structural system technical field, more specifically the utility model relates to a from enhancement mode column base that restores to throne that says so.
Background
In recent years, due to the frequent occurrence of earthquakes and the requirement of people on modern safety standards, self-reset devices and damping and energy-consuming devices are paid attention. The earthquake-proof and earthquake-proof steel plate can not only reinforce the structure during an earthquake, but also quickly recover the normal use of the structure after a strong earthquake so as to protect the life and property safety of people. In addition, in patent publication No. CN110318479A, entitled self-resetting column base structure and its construction method, the operation mechanism of the composite combined disc spring is that when the column base tilts, the suspension plate is driven to press the spring on one side, so that the column base is self-reset by the elastic force of the pressed spring. However, we have found that the pre-stressed spring force of the spring on the other side prevents the self-resetting of the column shoe, which results in a reduction of the self-resetting capability of the composite combination spring.
Therefore, it is an urgent need of the skilled person to develop a reinforced column base that can make all disc spring sets be pressed in the heavy earthquake and the elasticity of the spring sets is favorable for the column base to self-reset.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a from enhancement mode column base that restores to throne aims at solving above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-restoring enhanced column shoe constructed on a foundation, comprising: the steel column, the high-strength pull rod, the cantilever plate, the limiting device, the anchor rod and the limiting base plate;
the steel columns are vertically arranged, and the bottom ends of the steel columns are inserted into limiting grooves formed in the top surface of the foundation base;
the number of the high-strength pull rods is at least one, the high-strength pull rods are vertically arranged, the bottom ends of the high-strength pull rods are connected with the interior of the foundation, the rod bodies upwards penetrate through the transverse stiffening ribs of the steel columns, and first disc-shaped spring sets are installed at the top ends of the transverse stiffening ribs and the top ends of the high-strength pull rods and fixed by high-strength nuts on the bottom surfaces of the transverse stiffening ribs;
the cantilever plate is horizontally fixed on the outer side of the steel column, and a supporting plate is fixed between the lower part of the cantilever plate and the side wall of the steel column;
the limiting device is a cylinder or a frame body which is fixed on the top surface of the cantilever plate and provided with a through hole at the top;
the number of the anchor rods is at least one, the anchor rods are vertically arranged, the bottom ends of the anchor rods are connected with the inside of the foundation, the rod bodies upwards penetrate through the cantilever plates and the through holes of the limiting devices, and the anchor rods are sleeved with second disc spring groups;
the limiting base plate is sleeved between the second disc spring set and the high-strength nut; the two limiting base plates are respectively tightly propped between the bottom of the through hole of the limiting device and the top surface of the cantilever plate under the elastic action of the second disc spring group, and the two high-strength nuts are respectively tightly propped on the outer sides of the two limiting base plates.
Through the technical scheme, the reinforced self-resetting column base solves the problem of elastic force obstruction of the spring on the other side and has better automatic recovery capability. The earthquake makes the column foot take place the slope, will drive the board slope of encorbelmenting, and the board of encorbelmenting this moment goes up welded stop device will make all second belleville spring group pressurized: the top plate on the limiting device on the downward-inclined cantilever plate presses the limiting base plate to enable the second disc spring group to be pressed, and the upward-inclined cantilever plate presses the limiting base plate on the lower portion of the second disc spring group to enable the second disc spring group to be pressed, so that the column base has a stronger self-resetting effect.
Preferably, in the self-resetting reinforced column base, a foundation embedded part is embedded in the foundation and is used for being connected with the high-strength pull rod and the bottom end of the anchor rod. The foundation embedded part is a connecting part which is embedded in the foundation in advance and is responsible for connecting the anchor rod and the high-strength pull rod.
Preferably, in the self-resetting reinforced column base, the bottom of the foundation embedded part is provided with a nut and a gasket which are connected with the high-strength pull rod or the anchor rod, and the nut and the gasket are tightly pressed against the bottom surface of the foundation embedded part. The connection is convenient, and the structural stability of the connection is improved.
Preferably, in the self-resetting reinforced column base, a sleeve for the high-strength pull rod and the anchor rod to penetrate through is embedded in the foundation base. The high-strength pull rod and the anchor rod can conveniently penetrate through the foundation and be connected.
Preferably, in the self-resetting reinforced column base, the limiting device is a cylindrical barrel or a cuboid structure with a through hole at the top, or an inverted U-shaped frame body consisting of two symmetrical vertical plates and a top plate with a through hole. The aperture of the through hole needs to be larger than the diameter of the high-strength nut and smaller than the outer diameter of the limiting base plate, the limiting device is sleeved on the second disc spring set, and the purpose that the disc springs provide strong self-resetting capability can be achieved by applying pressure to the limiting base plate through the top plate of the limiting device.
Preferably, in the self-resetting reinforced column base, the diameter of the through hole of the limiting device and the diameter of the opening of the cantilever plate for the anchor rod to pass through is larger than the outer diameter of the high-strength nut and smaller than the outer diameter of the limiting cushion plate; the diameter of the opening of the limiting base plate is larger than that of the anchor rod and smaller than the outer diameter of the high-strength nut. The connection requirements can be met.
Preferably, in the self-resetting reinforced column base, a self-resetting damper is fixed between the side wall of the steel column and the top surface of the foundation base. Further improving the self-resetting capability.
Preferably, in the self-resetting reinforced column base, a bottom plate is laid in the limiting groove, and a cushion rubber pad is filled between the limiting groove and the steel column. The left and right movement of the column base is prevented, and the buffering and self-resetting capability of the column base is further improved.
Preferably, in the self-resetting reinforced column base, a force transmission reinforcing plate is fixed between the cantilever plate and the bottom plate; and flange reinforcing plates are fixed on the inner sides and/or the outer sides of the flange plates of the steel columns. The energy consumption requirement of the column base is improved.
Preferably, in the self-resetting reinforced column base, the cantilever plates can be welded on two sides and the periphery of the column base, and the number, the position and the spacing of the openings on the cantilever plates can be determined by calculating the number of the required second disc spring groups according to different construction requirements.
Preferably, in the self-resetting reinforced column base, a buffer gasket can be added between the limiting device and the limiting base plate for protection, and noise can be reduced.
Preferably, in a self-resetting reinforced column shoe of the above kind, the second disc spring group should not be less than four and be prestressed by means of a high-tensile nut.
Preferably, in the self-resetting reinforced column base, the high-strength pull rod can be made of steel with high strength, so that the self-resetting capability of the high-strength pull rod is enhanced.
The utility model provides a construction installation method from enhancement mode column base that restores to throne includes following step:
s1, sleeving a second disc spring set, two limiting base plates and two high-strength nuts on the anchor rod, applying prestress to the second disc spring set, welding and fixing the limiting device and the cantilever plate, and loosening the high-strength nuts to stress two surfaces of the limiting base plates;
s2, welding and fixing the cantilever plate and the side wall of the steel column, and welding a support plate for supporting;
s3, sleeving a first disc-shaped spring group on the top of the high-strength pull rod, applying prestress, and fixing the first disc-shaped spring group by a high-strength nut on the bottom surface of the transverse stiffening rib;
s4, pre-burying a sleeve pipe for the high-strength pull rod and the anchor rod to penetrate through in the foundation, inserting the steel column into a limiting groove of the foundation, and fixedly connecting the high-strength pull rod and the anchor rod with a foundation embedded part in the foundation through the sleeve pipe;
and S5, filling the high-strength concrete which is easy to expand into the sleeve for fixing.
By the construction and installation method of the self-resetting reinforced column base, the whole assembly is simple and convenient, and when an earthquake occurs, the column base drives the cantilever plate to move upwards or downwards. When the disc spring moves upwards, the cantilever plate presses the lower limiting base plate to press the second disc spring group; when moving downwards, the top plate welded on the limiting device on the cantilever plate presses the upper limiting base plate to press the second disc spring group. Thus all disc spring packs together self-reset the column shoe, regardless of its swinging motion.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a from enhancement mode column base that restores to throne has following beneficial effect:
1. the enhanced self-resetting column base solves the problem of elastic force obstruction of the spring on the other side and has better automatic recovery capability. The column base is inclined by the earthquake to drive the cantilever plate to incline, and the limiting device welded on the cantilever plate presses all the second disc spring groups. The top plate on the limiting device on the downward-inclined cantilever plate presses the limiting base plate to enable the second disc spring group to be pressed, and the upward-inclined cantilever plate presses the limiting base plate on the lower portion of the second disc spring group to enable the second disc spring group to be pressed, so that the column base has a stronger self-resetting effect.
2. The second disc spring set is independent through the high-strength nut and the limiting cushion plate and is not fixed on the cantilever plate.
3. And a limiting device is added, so that all the second disc spring groups can enable the column bases to be self-reset under any condition.
4. Utility model discloses a stop device enables the effectual oppression second belleville spring group of stop device.
5. The size relation of the apertures of the limiting device, the limiting base plate and the connecting part is creatively designed.
6. The whole assembly is simple and convenient, and when an earthquake occurs, the column foot drives the cantilever plate to move up or down. When the disc spring moves upwards, the cantilever plate presses the lower limiting base plate to press the second disc spring group; when moving downwards, the top plate welded on the limiting device on the cantilever plate presses the upper limiting base plate to press the second disc spring group. Thus all disc spring packs together self-reset the column shoe, regardless of its swinging motion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
fig. 2 is a schematic view of a partial structure of a self-resetting device according to the present invention.
1-steel column;
2-high-strength pull rod;
3-a limiting device;
4-a second disc spring set;
5-limiting the base plate;
6-high-strength nut;
7-a cantilever plate;
8-a support plate;
9-anchor rod;
10-cushion rubber pad;
11-a limiting groove;
12-a force transfer stiffener;
13-flange stiffener;
14-a base plate;
15-basic embedded parts;
16-a first disc spring set;
17-transverse stiffeners.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the embodiment of the present invention discloses a self-resetting reinforced column base, which is constructed on a foundation 18, and comprises: the steel column 1, the high-strength pull rod 2, the cantilever plate 7, the limiting device 3 and the anchor rod 9;
the steel column 1 is vertically arranged, and the bottom end of the steel column is inserted into a limiting groove 11 formed in the top surface of the foundation 18;
the number of the high-strength pull rods 2 is at least one, the high-strength pull rods are vertically arranged, the bottom ends of the high-strength pull rods are connected with the inside of a foundation 18, the rod bodies upwards penetrate through the transverse stiffening ribs 17 of the steel column 1, and the transverse stiffening ribs 17 and the top ends of the high-strength pull rods 2 are provided with first disc-shaped spring groups 16 which are fixed by high-strength nuts on the bottom surfaces of the transverse stiffening ribs 17;
the cantilever plate 7 is horizontally fixed on the outer side of the steel column 1, and a support plate 8 is fixed between the lower part of the cantilever plate 7 and the side wall of the steel column 1;
the limiting device 3 is a cylinder or a frame body which is fixed on the top surface of the cantilever plate 7 and the top of which is provided with a through hole;
at least one anchor rod 9 is vertically arranged, the bottom end of the anchor rod is connected with the inside of the foundation 18, the rod body upwards penetrates through holes of the cantilever plate 7 and the limiting device 3, and the anchor rod 9 is sleeved with a second disc spring group 4;
the limiting base plate 5 is sleeved between the second disc spring group 4 and the high-strength nut 6; two spacing backing plates 5 are respectively tightly pressed between the bottom of the through hole of the spacing device 3 and the top surface of the cantilever plate 7 under the elastic action of the second disc spring group 4, and two high-strength nuts 6 are respectively tightly pressed on the outer sides of the two spacing backing plates 5.
In order to further optimize the technical scheme, a foundation embedded part 15 is embedded in the foundation 18 and is used for being connected with the high-strength pull rod 2 and the bottom end of the anchor rod 9.
In order to further optimize the technical scheme, the bottom of the basic embedded part 15 is provided with a nut and a gasket which are connected with the high-strength pull rod 2 or the anchor rod 9, and the nut and the gasket are tightly propped against the bottom surface of the basic embedded part 15.
In order to further optimize the technical scheme, sleeves for the high-strength pull rods 2 and the anchor rods 9 to penetrate are embedded in the foundation 18.
In order to further optimize the technical scheme, the limiting device 3 is a cylindrical barrel or a cuboid structure with a through hole at the top, or an inverted U-shaped frame body consisting of two symmetrical vertical plates and a top plate with a through hole.
In order to further optimize the technical scheme, the diameter of the through hole of the limiting device 3 and the opening of the cantilever plate 7 for the anchor rod 9 to pass through is larger than the outer diameter of the high-strength nut 6 and smaller than the outer diameter of the limiting cushion plate 5; the diameter of the opening of the limiting cushion plate 5 is larger than that of the anchor rod 9 and smaller than the outer diameter of the high-strength nut 6.
In order to further optimize the technical scheme, a self-resetting damper is fixed between the side wall of the steel column 1 and the top surface of the foundation 18.
In order to further optimize the technical scheme, a bottom plate 14 is laid in the limiting groove 11, and a buffer rubber pad 10 is filled between the limiting groove 11 and the steel column 1.
In order to further optimize the technical scheme, a force transmission reinforcing plate 12 is fixed between the cantilever plate 7 and the bottom plate 14; flange reinforcing plates 13 are fixed on the inner sides and/or the outer sides of the flange plates of the steel columns 1.
The working principle of the embodiment is as follows:
when an earthquake occurs, the steel column 1 drives the cantilever plate 7 to move up or down: when the cantilever plate 7 moves upwards, the lower limiting base plate 5 is pressed by the cantilever plate 7, so that the second disc spring group 4 is pressed; when the cantilever plate 7 moves downwards, the top plate of the limiting device 5 presses the upper limiting base plate 5 to press the second disc spring group 4. All the second disc spring sets 4 thus jointly self-restore the steel columns 1, irrespective of their oscillation.
It should be noted that, the utility model discloses a from the connected mode and the trompil quantity of board 7 of overhanging in the enhancement mode column base that restores to the throne, stop device 3 and spacing backing plate 5's pattern is not limited to the description in the above-mentioned embodiment, as long as can satisfy theory of operation and construction demand, all is in the utility model discloses a protection scope.
The embodiment of the utility model discloses from construction installation method of restoring to throne enhancement mode column base includes following step:
s1, sleeving the second disc spring set 4, the two limiting base plates 5 and the two high-strength nuts 6 on the anchor rod 9, applying prestress on the second disc spring set 4, welding and fixing the limiting device 3 and the cantilever plate 7, and then unscrewing the high-strength nuts 6 to stress two surfaces of the limiting base plates 5;
s2, welding and fixing the cantilever plate 7 and the side wall of the steel column 1, and welding a support plate 8 for supporting;
s3, sleeving a first disc-shaped spring set 16 on the top of the high-strength pull rod 2, applying prestress, and fixing by a high-strength nut on the bottom surface of the transverse stiffening rib 17;
s4, embedding a sleeve for the high-strength pull rod 2 and the anchor rod 9 to penetrate through in the foundation 18, inserting the steel column 1 into the limiting groove 11 of the foundation 18, and fixedly connecting the high-strength pull rod 2 and the anchor rod 9 with the foundation embedded part 15 in the foundation 18 after penetrating through the sleeve;
and S5, filling the high-strength concrete which is easy to expand into the sleeve for fixing.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A self-restoring reinforced column shoe, to be built on a foundation (18), comprising: the steel column (1), the high-strength pull rod (2), the cantilever plate (7), the limiting device (3), the anchor rod (9) and the limiting base plate (5);
the steel column (1) is vertically arranged, and the bottom end of the steel column is inserted into a limiting groove (11) formed in the top surface of the foundation (18);
the number of the high-strength pull rods (2) is at least one, the high-strength pull rods are vertically arranged, the bottom ends of the high-strength pull rods are connected with the interior of the foundation (18), rod bodies upwards penetrate through transverse stiffening ribs (17) of the steel columns (1), first disc-shaped spring sets (16) are arranged at the transverse stiffening ribs (17) and the top ends of the high-strength pull rods (2), and the first disc-shaped spring sets are fixed by high-strength nuts on the bottom surfaces of the transverse stiffening ribs (17);
the cantilever plate (7) is horizontally fixed on the outer side of the steel column (1), and a support plate (8) is fixed between the lower part of the cantilever plate (7) and the side wall of the steel column (1);
the limiting device (3) is a cylinder or a frame body which is fixed on the top surface of the cantilever plate (7) and the top of which is provided with a through hole;
the number of the anchor rods (9) is at least one, the anchor rods are vertically arranged, the bottom ends of the anchor rods are connected with the interior of the foundation (18), the rod bodies upwards penetrate through holes of the cantilever plate (7) and the limiting device (3), and a second disc spring group (4) is sleeved on each anchor rod (9);
the limiting base plate (5) is sleeved between the second disc spring set (4) and the high-strength nut (6); the two limiting base plates (5) are respectively tightly propped between the bottom of the through hole of the limiting device (3) and the top surface of the cantilever plate (7) under the elastic action of the second disc spring group (4), and the two high-strength nuts (6) are respectively tightly propped on the outer sides of the two limiting base plates (5).
2. A self-resetting reinforced column base according to claim 1, characterized in that a foundation embedded part (15) is embedded in the foundation (18) for connecting the high-strength pull rod (2) and the bottom end of the anchor rod (9).
3. The self-resetting reinforced column foot according to claim 2, characterized in that the bottom of the foundation embedded part (15) is provided with a nut and a gasket which are connected with the high-strength pull rod (2) or the anchor rod (9) and are tightly pressed against the bottom surface of the foundation embedded part (15).
4. A self-resetting reinforced column base according to claim 1, characterized in that a sleeve for passing the high-strength pull rod (2) and the anchor rod (9) is embedded in the foundation base (18).
5. The self-resetting reinforced column shoe according to claim 1, characterized in that the limiting device (3) is a cylindrical barrel or a cuboid structure with a through hole at the top, or an inverted U-shaped frame body consisting of two symmetrical vertical plates and a top plate with a through hole.
6. A self-resetting reinforced column shoe according to claim 1, characterized in that the diameter of the through hole of the stop device (3) and the opening of the cantilever plate (7) for the anchor rod (9) to pass through is larger than the outer diameter of the high-strength nut (6) and smaller than the outer diameter of the stop washer (5); the diameter of the opening of the limiting base plate (5) is larger than that of the anchor rod (9) and smaller than the outer diameter of the high-strength nut (6).
7. A self-restoring reinforced column shoe according to claim 1, characterized in that a self-restoring damper is fixed between the side wall of the steel column (1) and the top surface of the foundation (18).
8. The self-resetting reinforced column foot according to claim 1, characterized in that a bottom plate (14) is laid in the limiting groove (11), and a cushion rubber pad (10) is filled between the limiting groove (11) and the steel column (1).
9. A self-restoring reinforced column shoe according to claim 8, characterized in that a force transmission reinforcing plate (12) is fixed between said cantilever plate (7) and said bottom plate (14); and flange reinforcing plates (13) are fixed on the inner sides and/or the outer sides of the flange plates of the steel columns (1).
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|---|---|---|---|
| CN201922045241.9U CN211597372U (en) | 2019-11-25 | 2019-11-25 | Self-resetting enhanced column base |
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| CN201922045241.9U CN211597372U (en) | 2019-11-25 | 2019-11-25 | Self-resetting enhanced column base |
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| CN211597372U true CN211597372U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
| CN111075112B (en) * | 2019-11-25 | 2024-09-17 | 海南大学 | Self-resetting reinforced column base and construction and installation method thereof |
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