CN211172484U - Multistage yield stress-resistant stable-load support - Google Patents
Multistage yield stress-resistant stable-load support Download PDFInfo
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- CN211172484U CN211172484U CN201921424002.8U CN201921424002U CN211172484U CN 211172484 U CN211172484 U CN 211172484U CN 201921424002 U CN201921424002 U CN 201921424002U CN 211172484 U CN211172484 U CN 211172484U
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Abstract
The utility model discloses an anti steady bearing capacity of multistage yield props. This multistage yield resistance steady load props includes: the device comprises a rigid mandrel, a longitudinal positioning device, a torsion limiting device, a multi-stage yielding energy consumption section, an energy consumption section connecting component and an inner and outer stability resisting sleeve. A plurality of yielding energy consumption sections are arranged on the rigid mandrel, and a longitudinal positioning device and a torsion limiting device are arranged on the multi-stage yielding anti-stable-load support, so that the rigid mandrel is prevented from deviating and twisting. The utility model discloses antidetonation conceptual design is clear, the structure is simple, used material low cost, and construction convenience can change locally.
Description
Technical Field
The utility model discloses an multistage surrender steady bearing capacity props belongs to engineering structure antidetonation and energy dissipation shock attenuation technical field.
Background
The metal damper is a damping energy dissipation device with simple structure, excellent performance and low price, and the working principle is that hysteresis energy consumption is generated as equivalent damping force in the process of metal plastic deformation.
The metal damper has good energy consumption effect and stable energy consumption performance, and is widely applied to the shock absorption of building structures.
After a certain section of the metal damper enters and reaches yield energy consumption, the section can generate large flow plastic deformation, and a plurality of sections cannot enter the yield energy consumption, so that the defect of insufficient ductility of the metal damper is caused.
SUMMERY OF THE UTILITY MODEL
To the not enough defect of metal damper ductility, the utility model aims to provide an anti steady bearing capacity of multistage surrender props, and it has a plurality of energy consumption sections of surrendering, and the ductility is better, the power consumption ability is strong, the power consumption effect is stable.
And the multi-stage yield energy consumption is realized by arranging yield energy consumption sections with different yield points or lengths.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti steady bearing capacity of multistage yield props, includes rigidity dabber, connected node, interior anti steady sleeve and outer anti steady sleeve, its characterized in that:
1) the rigid mandrel is coaxially arranged in the inner anti-stability sleeve, the inner anti-stability sleeve is arranged in the outer anti-stability sleeve, the inner ends of the inner anti-stability sleeves are connected through a torsion limiting device, and the outer end of the rigid mandrel is fixedly connected with a connecting node;
2) and a plurality of yielding energy consumption sections are sleeved on the rigid mandrel, one end part of each yielding energy consumption section is fixedly connected with the rigid mandrel through an energy consumption section connecting part, and the other end part of each yielding energy consumption section is fixedly connected with the inner anti-stability sleeve through a sleeve connecting part through a longitudinal positioning device.
The connecting node is connected with the rigid mandrel; the longitudinal positioning device is connected with the sleeve connecting part through an occlusion-bolt; the two ends of the torsion limiting device are connected with the sleeve connecting part through bolts; the energy consumption section connecting part and the rigid mandrel are coaxially arranged and fixedly connected by welding; the yield energy consumption section and the rigid mandrel are coaxially arranged, and two ends of the yield energy consumption section are respectively connected with the energy consumption section connecting part and the sleeve connecting part through occlusion-bolts; the sleeve connecting part is coaxially arranged with the rigid mandrel, is connected with the yielding energy consumption section through an occlusion-bolt and is connected with the inner and outer stability-resisting sleeves through a bolt; the internal stability resisting sleeve is connected with the sleeve connecting part through a bolt; the outer anti-stability sleeve is connected with the sleeve connecting part through a bolt.
The bite-bolt connection includes: a left occluding component, a right occluding component and a high-strength bolt.
The left and right occluding components are respectively fixed on two components to be connected, and during connection, the left and right occluding components fixed on the two components to be connected are mutually embedded and then are fastened and connected through the high-strength bolt.
The longitudinal positioning device comprises: a limiting groove longitudinal restraining plate and a wear-resistant rolling body.
Wear-resistant rolling bodies are placed in the limiting grooves of the limiting groove longitudinal limiting plates to form a longitudinal positioning device.
The longitudinal positioning device is arranged at the position of a rolling body guide groove arranged on the rigid mandrel and is connected with the sleeve connecting plate through occlusion-bolts.
Twist reverse stop device and include: the device comprises a torsion limiting component, a torsion limiting connecting component, a torsion limiting sleeve and a limiting bolt.
The torsion limiting component is arranged at the inner side threads at the two ends of the torsion connecting component by using a torsion limiting installation device and is fixed by using a limiting bolt, and then the outer side threads at the two ends of the torsion connecting component are respectively provided with a torsion sleeve to form the torsion limiting device.
The two ends of the torsion limiting device are connected with the sleeve connecting part, and the torsion limiting part is mutually embedded with a torsion limiting groove arranged on the rigid core shaft.
The working principle of the multi-step yield stress-resistant stable-load support is as follows:
a certain gap is reserved between the surface of the rigid mandrel and the inner surface of the multi-step yielding energy consumption section, and non-bonding materials are filled in the gap, so that friction between the surface of the rigid mandrel and the inner surface of the multi-step yielding energy consumption section is reduced, and the multi-step yielding energy consumption section is guaranteed to have good working performance.
Meanwhile, the rigid mandrel is also used as a constraint part, so that the multi-stage yield energy consumption section is prevented from generating large deformation instability under compression, the multi-stage yield energy consumption section can achieve full-section yield under the action of tension, and the energy consumption stability of the energy consumption support is ensured.
Under the action of earthquake, when the rigid mandrel is stressed to reciprocate, the energy consumption section connecting part welded on the rigid mandrel drives the multi-stage yield energy consumption section to deform under the action of tension and compression to consume energy, so that the damage of the earthquake action to the main body structure is reduced.
Under the action of multiple earthquakes, the multi-stage yielding energy consumption section with relatively low yield point or short length enters the yielding energy consumption first, and the multi-stage yielding energy consumption section with relatively high yield point or long length is still in an elastic working state, so that rigidity is provided for the structure, and the displacement between the layers of the structure is reduced; under the action of rare earthquake, all the yield points or multi-stage yield energy consumption sections with the length all enter the yield energy consumption, and the additional damping of the structure is increased.
Compared with the prior art, the utility model has the following obvious outstanding substantive characteristics and obvious advantages:
1. the utility model discloses a plurality of yields power consumption section collaborative work, increased the holistic ductility of power consumption support, also strengthened simultaneously and supported the power consumption ability.
2. By arranging yield energy consumption sections with different yield points or lengths, multi-stage yield energy consumption can be realized, and additional damping and rigidity provided for the structure by the energy consumption support under the action of different levels of earthquakes can be controlled.
3. The positioning and limiting device is additionally arranged, the positioning and limiting device can limit the deviation and torsion of the rigid mandrel, the multi-stage yield energy consumption section is guaranteed to be only under the axial action, and the complicated stress state is avoided.
4. Most parts of the multi-stage yielding anti-stable load support are connected through bolts, and the parts can be prefabricated and assembled on site, so that the adverse effect caused by transportation and stacking is reduced.
5. The tonnage of the multi-stage yielding anti-stable load bearing support can be controlled by arranging the number of yielding energy consumption sections, and the design of larger tonnage can be realized.
Drawings
Fig. 1 is an overall schematic view of the multi-step yielding anti-stable load support of the present invention.
Fig. 2 is a schematic view of an internal structure of the multi-step yielding anti-stable load support of the present invention.
Fig. 3 is a schematic cross-sectional view of the multi-step yielding anti-stable load support of the present invention.
Fig. 4 is a schematic view of the engagement-bolt connection of the multistage yield stress-resistant steady-load support of the present invention.
Fig. 5 is a schematic view of a left occlusion component of the multi-step yielding anti-stable load support of the present invention.
Fig. 6 is a schematic view of a right occlusion component of the multi-step yielding anti-stable load support of the present invention.
Fig. 7 is a schematic view of an energy consumption section connecting component of the multi-step yielding anti-stable load support of the present invention.
Fig. 8 is a schematic view of a multi-step yielding energy consumption section of the multi-step yielding anti-steady bearing force support of the present invention.
Fig. 9 is a schematic view of a longitudinal positioning device of the multi-step yielding anti-stable load support of the present invention.
Fig. 10 is a schematic view of the restraint plate of the limiting groove and the wear-resistant rolling element of the multi-step yielding anti-stable load support of the present invention.
Fig. 11 is a schematic view of a torsion limiting device of the multi-step yielding anti-stable load support of the present invention.
Fig. 12 is a cross-sectional view of the torsion limiting device of the multistage yield anti-stable load support of the present invention.
Fig. 13 is a schematic view of a torsional coupling component of the multistage yield stress-resistant load-stabilizing brace of the present invention.
Fig. 14 is a schematic cross-sectional view of a torsional coupling component of a multi-step yielding anti-steady-load support of the present invention.
Fig. 15 is a schematic view of a torsional spacing member of the multi-step yielding anti-stable load support of the present invention.
Fig. 16 is a schematic view of a twisting limiting installation device of the multistage yielding anti-stable load support of the present invention.
Fig. 17 is a schematic view of a torsional limit sleeve of the multistage yield anti-stable load support of the present invention.
Fig. 18 is a schematic view of an inner stable sleeve of the multi-step yielding stable load-resisting support of the present invention.
Fig. 19 is a schematic view of a sleeve connection component of the multi-step yielding anti-stable load support of the present invention.
Fig. 20 is a schematic view of a connection node of the multi-step yielding anti-stable load support of the present invention.
Fig. 21 is a schematic view of a multi-step yielding anti-stable load support rigid mandrel of the present invention.
Fig. 22 is a schematic view of an external steady sleeve of the multi-step yielding steady bearing support of the present invention.
Reference numbers in the figures: the structure comprises a rigid mandrel 1, a rolling body guide groove 1A, a torsion limiting groove 1B, a connection node 2, a yielding energy consumption section 3, an energy consumption section connecting part 4, an inner stability resisting sleeve 5, an outer stability resisting sleeve 6, a sleeve connecting part 7, a high-strength bolt 8, a limiting groove longitudinal restraint plate 9, a wear-resistant rolling body 10, a torsion limiting part 11, a torsion limiting connecting part 12, a torsion limiting sleeve 13, a left occlusion part 14, a right occlusion part 15, a torsion limiting mounting device 16 and a limiting bolt 17.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-22, this multistage yield resistance to steady load props, including two rigidity dabbers (1), two connected node (2), two interior resistance to steady sleeve (5) and one outer resistance to steady sleeve (6), its characterized in that:
1) the two rigid mandrels (1) are coaxially and respectively arranged in two inner anti-stability sleeves (5), the two anti-stability sleeves (5) are arranged in an outer anti-stability sleeve (6), the inner ends of the two inner anti-stability sleeves (5) are connected through a torsion limiting device, and the outer ends of the two rigid mandrels (1) are respectively fixedly connected with a connecting node (2);
2) the rigid mandrel (1) is sleeved with a plurality of yielding energy consumption sections (3), one end part of each yielding energy consumption section (3) is fixedly connected with the rigid mandrel (1) through an energy consumption section connecting part (4), and the other end part of each yielding energy consumption section (3) is fixedly connected with the inner anti-stability sleeve (5) through a sleeve connecting part (7) through a longitudinal positioning device.
Example two:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
a gap is reserved between the rigid mandrel (1) and the yield energy consumption section (3), and a non-adhesive material is filled between the rigid mandrel and the yield energy consumption section to reduce friction; the longitudinal positioning device and the torsion limiting device are arranged to ensure that the rigid core shaft (1) does not deviate or twist; the inner and outer anti-stable sleeves (5, 6) are round, square or regular polygon in appearance.
And the multi-step yield energy consumption is realized by arranging yield energy consumption sections (3) with different yield points or lengths.
The longitudinal positioning device comprises a limiting groove longitudinal restraint plate (9) and a wear-resistant rolling body (10), and the wear-resistant rolling body (10) is placed in the limiting groove of the limiting groove longitudinal restraint plate (9) to form the longitudinal positioning device; the longitudinal positioning device is arranged at the position of a rolling body guide groove (1A) arranged on the rigid mandrel (1) and is connected with the sleeve connecting part (7) through occlusion-bolts.
The torsion limiting device comprises a torsion limiting part (11), a torsion limiting connecting part (12), a torsion limiting sleeve (13) and a limiting bolt (17); the torsion limiting part (11) is arranged at the inner side thread of the torsion limiting connecting part (12) and is fixed by a limiting bolt (17), and the outer side threads at the two ends of the torsion limiting connecting part (12) are respectively screwed with a torsion limiting sleeve (13) to form a torsion limiting device. The two ends of the torsion limiting device are connected with the sleeve connecting part (7), and the torsion limiting part (11) is embedded with a torsion limiting groove (1B) arranged on the rigid mandrel (1).
A torsion limiting installation device (16) is additionally arranged and is used for installing a torsion limiting component (11) at the inner side thread of a torsion limiting connecting component (12), enabling a positioning bolt hole formed in the torsion limiting component (11) to be overlapped with a positioning bolt hole formed in the torsion limiting connecting component (12) through fine adjustment of the torsion limiting component (11) in the left-right direction, then installing a limiting bolt (17) for fixation, fixing the torsion limiting component (11) on the torsion limiting connecting component (12) through the limiting bolt (17), enabling the inner diameter protruding part of the torsion limiting component (11) to be embedded with a torsion limiting groove (1B), and ensuring that the torsion limiting component (11) is installed in the torsion limiting groove (1B) when the torsion limiting device is installed.
The anti-stability sleeve is provided with an inner layer of anti-stability sleeve and an outer layer of anti-stability sleeve (5 and 6), two ends of the inner anti-stability sleeve (5) are connected with the sleeve connecting part (7), and the outer anti-stability sleeve (6) is radially connected with the sleeve connecting part (7) through a bolt.
The connection between the yielding energy consumption section (3) and the longitudinal positioning device adopts an engagement-bolt connection, and the engagement-bolt connection comprises the following steps: the left occluding component (14), the right occluding component (15) and the high-strength bolt are firstly embedded with the left occluding component (14) and the right occluding component (15) welded on the component to be connected and then are fastened and connected by the high-strength bolt.
Example three:
as shown in fig. 1 to 22, the multistage yielding anti-stability load brace comprises a rigid mandrel (1), a longitudinal positioning device, a torsion limiting device, a multistage yielding energy consumption section (3), an energy consumption section connecting part (4), an inner anti-stability sleeve (5), an outer anti-stability sleeve (6), a sleeve connecting part (7), a connecting node (2), an engagement-bolt connection and a torsion limiting installation device (16).
The connecting node (2) is connected with the rigid mandrel (1); the longitudinal positioning device is connected with the sleeve connecting part (7) through an occlusion-bolt; the two ends of the torsion limiting device are connected with the sleeve connecting part (7) through bolts; the energy consumption section connecting part (4) and the rigid mandrel (1) are coaxially arranged and fixedly connected by welding; the yield energy consumption section (3) is coaxially arranged with the rigid mandrel (1), one end of the yield energy consumption section is connected with an energy consumption section connecting part (4) welded on the rigid mandrel (1) through an occlusion-bolt, and the other end of the yield energy consumption section is connected with a sleeve connecting part (7); the sleeve connecting part (7) is coaxially arranged with the rigid mandrel (1), connected with the yielding energy consumption section (3) through occlusion-bolts and connected with the inner anti-stability sleeve (5) and the outer anti-stability sleeve (6) through bolts; the inner anti-stability sleeve (5) is connected with the sleeve connecting part (7) through a bolt; the outer anti-stability sleeve (6) is connected with the sleeve connecting part (7) through bolts.
The bite-bolt connection includes: a left occluding component (14), a right occluding component (15) and a high-strength bolt (8).
The left and right occluding components (14, 15) are respectively welded and fixed on two components to be connected, and when in connection, the left and right occluding components (14, 15) fixed on the two components to be connected are mutually embedded and occluded firstly, and then are fastened and connected through the high-strength bolt (8).
The longitudinal positioning device comprises: a limiting groove longitudinal restraint plate (9) and a wear-resistant rolling body (10).
Wear-resistant rolling bodies (10) are placed in the limiting grooves of the limiting groove longitudinal limiting plates (9) to form a longitudinal positioning device.
The longitudinal positioning device is arranged at the position of a rolling body guide groove (1A) arranged on the rigid mandrel (1) and is connected with the sleeve connecting plate (7) through occlusion-bolts.
Twist reverse stop device and include: the device comprises a torsion limiting component (11), a torsion limiting connecting component (12), a torsion limiting sleeve (13) and a limiting bolt (17).
The torsion limiting part (11) is arranged at the inner side threads at two ends of the torsion connecting part (12) through a torsion limiting mounting device (16) and fixedly connected by a limiting bolt (17), and the outer side threads at two ends of the torsion connecting part (12) are respectively provided with a torsion sleeve (13) to form the torsion limiting device.
The two ends of the torsion limiting device are connected with the sleeve connecting part (7), and the torsion limiting part (12) is embedded with a torsion limiting groove (1B) arranged on the rigid mandrel (1).
The utility model discloses make symmetrical formula structure to twist reverse stop device central cross-section complete symmetry, the concrete structure is seen in figure 2.
The multi-step yielding-force-stabilizing support section can be a circle as shown in fig. 1, and a square or regular polygon can also be used.
The multi-step yielding energy-consuming connection node (2) can be connected by using a pin shaft as shown in figure 1, and can also be connected by using a bolt or welding.
Claims (7)
1. The utility model provides an anti steady bearing capacity of multistage yield props, includes rigidity dabber (1), connected node (2), interior anti steady sleeve (5) and outer anti steady sleeve (6), its characterized in that:
1) the rigid mandrel (1) is coaxially arranged in an inner anti-stability sleeve (5), the inner anti-stability sleeve (5) is arranged in an outer anti-stability sleeve (6), the inner ends of the inner anti-stability sleeves (5) are connected through a torsion limiting device, and the outer end of the rigid mandrel (1) is fixedly connected with a connecting node (2);
2) the rigid mandrel (1) is sleeved with a plurality of yielding energy consumption sections (3), one end part of each yielding energy consumption section (3) is fixedly connected with the rigid mandrel (1) through an energy consumption section connecting part (4), and the other end part of each yielding energy consumption section is fixedly connected with an inner anti-stability sleeve (5) through a sleeve connecting part (7) through a longitudinal positioning device.
2. The multi-step yield resistance steady load brace of claim 1, wherein: a gap is reserved between the rigid mandrel (1) and the yield energy consumption section (3), and a non-adhesive material is filled between the rigid mandrel and the yield energy consumption section to reduce friction; the longitudinal positioning device and the torsion limiting device are arranged to ensure that the rigid core shaft (1) does not deviate or twist; the inner and outer anti-stable sleeves (5, 6) are round, square or regular polygon in appearance.
3. The multi-step yield resistance steady load brace of claim 1, wherein: and the multi-step yield energy consumption is realized by arranging yield energy consumption sections (3) with different yield points or lengths.
4. The multi-step yield resistance steady load brace of claim 1, wherein: the longitudinal positioning device comprises a limiting groove longitudinal restraint plate (9) and a wear-resistant rolling body (10), and the wear-resistant rolling body (10) is placed in the limiting groove of the limiting groove longitudinal restraint plate (9) to form the longitudinal positioning device; the longitudinal positioning device is arranged at the position of a rolling body guide groove (1A) arranged on the rigid mandrel (1) and is connected with the sleeve connecting part (7) through occlusion-bolts.
5. The multi-step yield resistance steady load brace of claim 1, wherein: the torsion limiting device comprises a torsion limiting part (11), a torsion limiting connecting part (12), a torsion limiting sleeve (13) and a limiting bolt (17); the torsion limiting component (11) is arranged at the inner side thread of the torsion limiting connecting component (12) and is fixed by a limiting bolt (17), the outer side threads at the two ends of the torsion limiting connecting component (12) are respectively and rotatably connected with a torsion limiting sleeve (13) to form a torsion limiting device, the two ends of the torsion limiting device are connected with the sleeve connecting component (7), and the torsion limiting component (11) is mutually embedded with a torsion limiting groove (1B) arranged on the rigid mandrel (1).
6. The multi-step yield resistance steady load brace of claim 1, wherein: the anti-stability sleeve is provided with an inner layer of anti-stability sleeve and an outer layer of anti-stability sleeve (5 and 6), two ends of the inner anti-stability sleeve (5) are connected with the sleeve connecting part (7), and the outer anti-stability sleeve (6) is radially connected with the sleeve connecting part (7) through a bolt.
7. The multi-step yield resistance steady load brace of claim 1, wherein: the connection between the yielding energy consumption section (3) and the longitudinal positioning device adopts an engagement-bolt connection, and the engagement-bolt connection comprises the following steps: the left occluding component (14), the right occluding component (15) and the high-strength bolt are firstly embedded with the left occluding component (14) and the right occluding component (15) welded on the component to be connected and then are fastened and connected by the high-strength bolt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921424002.8U CN211172484U (en) | 2019-08-30 | 2019-08-30 | Multistage yield stress-resistant stable-load support |
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| CN201921424002.8U CN211172484U (en) | 2019-08-30 | 2019-08-30 | Multistage yield stress-resistant stable-load support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439135A (en) * | 2019-08-30 | 2019-11-12 | 上海大学 | Anti- steady carry of the multistage surrender of one kind supports |
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2019
- 2019-08-30 CN CN201921424002.8U patent/CN211172484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439135A (en) * | 2019-08-30 | 2019-11-12 | 上海大学 | Anti- steady carry of the multistage surrender of one kind supports |
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