CN214459580U - External energy consumption device of removable Zn-22Al alloy stick of pier - Google Patents
External energy consumption device of removable Zn-22Al alloy stick of pier Download PDFInfo
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- CN214459580U CN214459580U CN202120241567.3U CN202120241567U CN214459580U CN 214459580 U CN214459580 U CN 214459580U CN 202120241567 U CN202120241567 U CN 202120241567U CN 214459580 U CN214459580 U CN 214459580U
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Abstract
The utility model discloses an external energy dissipation device with replaceable Zn-22Al alloy bar for piers, which is characterized in that external threads are arranged at two ends of the Zn-22Al alloy bar, the Zn-22Al alloy bar is detachably connected between a hoop and a mounting seat, meanwhile, a first boss and a second boss which are in staggered butt joint on two semicircular hoops are detachably connected together through a movable connecting component, thereby not only being very convenient to install and disassemble, but also increasing the installation efficiency of the device and reducing the installation risk, and an annular rubber pad is arranged on the inner wall of the semicircular hoops, so that the hoop is more tightly attached to the pier body of the pier, the energy dissipation device can timely dissipate energy and damp the pier, the pier and the energy dissipation device are prevented from being damaged due to overlarge instantaneous impact, the whole device has simple structure and is very convenient to install and replace, and has good energy dissipation capacity, and the device is not easy to damage, long in service life and high in economical efficiency.
Description
Technical Field
The utility model relates to a building bridge technical field, more specifically say so and relate to an external power consumption device of removable Zn-22Al alloy stick of pier.
Background
China is between the Pacific earthquake zone and the Eurasian earthquake zone, most areas are earthquake zones, and particularly the western areas are strong earthquake zones. The bridge is a pivot project on a traffic lifeline, and once the bridge is damaged by an earthquake, huge economic loss can be brought, rescue workers cannot be in place in time due to damage and interruption of the bridge, and further inestimable casualties and indirect loss can be caused. In addition, the post-earthquake repair of the damaged bridge is extremely difficult and even needs to be overturned for reconstruction, which seriously affects the post-disaster production life and reconstruction work of the earthquake-stricken area. Thus, earthquakes are one of the risk factors that must be considered by bridges.
The bridge pier is used as a main component of the bridge and plays a vital role in the overall seismic performance of the bridge, and a large number of seismic damages indicate that the collapse of the bridge is mainly caused by insufficient seismic capacity of the bridge pier. At present, most of piers adopt built-in energy-consuming reinforcing steel bars for energy consumption and shock resistance, and cannot be replaced when damaged. Even though some external energy consumption devices are arranged, energy consumption is basically carried out through friction, and energy consumption materials are made of steel materials, so that the energy consumption capacity is limited, the external energy consumption devices are easy to damage and are not easy to replace. At present, room temperature superplastic Zn-22Al alloy has attracted wide attention of domestic and foreign scholars due to the characteristics required by high-performance metal energy dissipaters such as low yield stress, high ductility, no work hardening, good wear resistance, high shock absorption capacity, no pollution and the like.
Therefore, how to provide an external energy dissipation device for a replaceable Zn-22Al alloy bar of a bridge pier, which has high energy dissipation capability and is convenient to replace, is one of the technical problems to be solved in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an external energy dissipation device for a bridge pier, in which Zn-22Al alloy rods can be replaced, and aims to solve the above-mentioned disadvantages.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken:
an external energy dissipation device with replaceable Zn-22Al alloy rods for piers comprises a hoop, a plurality of Zn-22Al alloy rods and a mounting seat; a plurality of Zn-22Al alloy rods are uniformly distributed between the hoop and the mounting seat;
the hoop is formed by two semicircular hoops which are arranged in a staggered mode; the two butt ends of each semicircular hoop are respectively provided with a first boss and a second boss which extend outwards; the first boss of one semicircular hoop is detachably connected with the second boss of the other semicircular hoop through a connecting component;
and two ends of the Zn-22Al alloy rods are respectively detachably connected to the semicircular hoop and the mounting seat.
The beneficial effect of this technical scheme is: the excellent performance of the Zn-22Al alloy rod is fully utilized, the energy consumption capability of the energy consumption device is effectively enhanced, the shockproof capability of the pier is improved, the semicircular hoop, the Zn-22Al alloy rod and the mounting seat are detachably connected, when the energy consumption device is damaged, the replacement is convenient, meanwhile, the semicircular hoop connecting assembly is arranged on the outer boss, and when the device is installed and replaced, the operation is convenient, and the installation and replacement efficiency is higher.
Preferably, the connecting assembly comprises a first bolt, a second bolt, a first nut and a second nut; one end of the first bolt is provided with an external thread matched with the first bolt, and the other end of the first bolt is provided with a circular ring matched with the second bolt; and one end of the second bolt is provided with an external thread matched with the second nut.
Preferably, a straight slot hole is formed in the middle of the first boss; a vertical through hole is formed in the second boss, and a through groove corresponding to the straight groove hole is formed in the middle of the second boss; the through hole penetrates through the through groove; one end of the first bolt with the external thread penetrates through the straight slotted hole and extends outwards, and the extending part of the first bolt is matched with the first nut; the screw rod of the second bolt penetrates through the through hole and the inner hole of the circular ring, and the part of the screw rod, which extends out of the second boss, is matched with the second nut.
The beneficial effects of the above technical scheme are: through set up the straight slot hole on first boss and set up the groove of lining up on the second boss, make first bolt have certain activity space in the horizontal direction, even there is certain error at two semicircle hoop butt joint processes, also can accomplish the butt joint smoothly, reduce the device because of the condemned risk of unable installation.
Preferably, both ends of each Zn-22Al alloy rod are provided with external threads; correspondingly, each semicircular hoop and each mounting seat are provided with threaded holes corresponding to the number of the Zn-22Al alloy rods; the external thread part at one end of each Zn-22Al alloy rod is matched with the threaded hole on the mounting seat; and the external thread part at the other end of each Zn-22Al alloy rod is matched with the threaded hole in the semicircular hoop and extends outwards, and a third nut is arranged on the extending part of the external thread part.
Preferably, four Zn-22Al alloy rods are arranged; the butt joint end of each semicircular hoop is symmetrically provided with two Zn-22Al alloy rods.
Preferably, an annular rubber pad is arranged on the inner wall of each semicircular hoop.
The beneficial effect of this technical scheme is: make the laminating between the pier shaft of hoop and pier inseparabler, when the pier receives to strike and takes place vibrations because of reasons such as earthquake, can avoid producing between pier shaft and the hoop and slide excessively greatly, make power consumption device can in time consume energy to the pier, avoid pier and power consumption device because of receiving the too big damage of instantaneous impact, simultaneously, rubber pad itself has certain elasticity, can further strengthen power consumption device's power consumption ability.
Preferably, the upper end of each Zn-22Al alloy rod is also provided with a bearing platform.
The beneficial effect of this technical scheme is: the hoop is placed on the bearing platform, so that the hoop can be effectively prevented from falling due to vibration and the like to cause failure of the device.
Preferably, each of the Zn-22Al alloy rods includes a double cone having a thick middle thin end and a narrow waist shape at both ends, and a cylinder disposed at both ends of the double cone.
The utility model discloses for prior art gain following technological effect: the utility model provides an external energy dissipation device with replaceable Zn-22Al alloy bar for bridge piers, which is characterized in that external threads are arranged at two ends of the Zn-22Al alloy bar, the Zn-22Al alloy bar is detachably connected between a hoop and a mounting seat, meanwhile, a first boss and a second boss on two semicircular hoops are butted and fixed together in a staggered way through a first nut and a second nut, the installation and the disassembly are very convenient, a straight slotted hole is arranged on the first boss and a through groove is arranged on the second boss, so that a certain moving space is arranged on a first bolt in the horizontal direction, even if a certain error exists in the butting process of the two semicircular hoops, the butting can be smoothly completed, the risk of scrapping caused by the incapability of installation of the device is effectively reduced, and an annular rubber pad is arranged on the inner wall of the semicircular hoops, so that the hoops and the pier body are more tightly jointed, when the pier receives the impact and takes place vibrations because of reasons such as earthquake, can avoid producing too big slip between pier shaft and the hoop, make power consumption device can in time carry out the power consumption shock attenuation to the pier, avoid pier and power consumption device to receive the too big damage of instantaneous impact, and simultaneously, rubber pad itself has certain elasticity, can further strengthen power consumption device's power consumption ability, whole device simple structure, it is very convenient to install and change, good power consumption ability has, and itself is not fragile, long service life, economic nature is high.
Drawings
FIG. 1 is a schematic view of the working structure of the external energy dissipation device for pier replaceable Zn-22Al alloy rods;
FIG. 2 is a schematic structural view of the external energy dissipation device for pier replaceable Zn-22Al alloy rods of the present invention;
FIG. 3 is an exploded view of the external energy dissipation device of the present invention with replaceable Zn-22Al alloy bar for bridge pier;
fig. 4 is a schematic structural view of a semicircular hoop of the external energy dissipation device for a replaceable Zn-22Al alloy bar for a pier of the present invention;
FIG. 5 is a schematic structural view of a Zn-22Al alloy bar with an external energy dissipation device for a replaceable Zn-22Al alloy bar for a pier according to the present invention;
fig. 6 is a schematic structural view of a mounting seat of the external energy dissipation device for a pier, in which Zn-22Al alloy rods can be replaced;
fig. 7 is a schematic structural view of a first bolt of the energy dissipation device with an external Zn-22Al alloy bar replaceable for a pier according to the present invention;
in the figure: 1. a hoop; 11. a semicircular hoop; 12. a first boss; 121. a straight slot hole; 13. a second boss; 131. a through hole; 132. a through groove; 2. a Zn-22Al alloy rod; 21. a double cone; 22. a cylinder; 3. a mounting seat; 4. a connecting assembly; 41. a first bolt; 411. a circular ring; 42. a second bolt; 43. a first nut; 44. a second nut; 5. a third nut; 6. a bearing platform.
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.
Examples
Referring to fig. 1-4, the utility model discloses an external energy dissipation device of a replaceable Zn-22Al alloy bar for a pier, which comprises a hoop 1, 4 Zn-22Al alloy bars 2 and a mounting seat 3; 4 Zn-22Al alloy rods 2 are uniformly distributed between the hoop 1 and the mounting seat 3;
the hoop 1 is composed of 2 semicircular hoops 11 which are arranged in a staggered mode; a first boss 12 and a second boss 13 which extend outwards are respectively arranged at two butt ends of each semicircular hoop 11; the first boss 12 of one semicircular hoop 11 is detachably connected to the second boss 13 of the other semicircular hoop 11 through the connecting assembly 4;
both ends of each Zn-22Al alloy rod 2 are provided with external threads; correspondingly, each semicircular hoop 11 and the mounting seat 3 are provided with 4 threaded holes; the external thread part at one end of each Zn-22Al alloy rod 2 is matched with the threaded hole on the mounting seat 3; the external thread part of the other end of each Zn-22Al alloy rod 2 is matched with the thread hole on the semicircular hoop 11 and extends outwards, and the extending part of the external thread part is provided with a third nut 5.
In the present embodiment, the connecting assembly 4 includes a first bolt 41, a second bolt 42, a first nut 43, and a second nut 44; one end of the first bolt 41 is provided with an external thread matched with the first bolt 41, and the other end of the first bolt is provided with a circular ring 411 matched with the second bolt 42; one end of the second bolt 42 is provided with an external thread adapted to the second nut 44. The middle part of the first boss 12 is provided with a straight slot hole 121; the second boss 13 is provided with a vertical through hole 131, and the middle part of the second boss is provided with a through groove 132 corresponding to the straight groove hole 121; the through hole 131 penetrates the through groove 132; one end of the first bolt 41 with external threads is arranged in the straight slot hole 121 and extends outwards, and the extending part of the first bolt is matched with the first nut 43; the screw of the second bolt 42 is inserted into the through hole 131 and the inner hole of the ring 411, and the portion of the screw extending out of the second boss 13 is matched with the second nut 44.
In the present embodiment, two Zn-22Al alloy rods 2 are symmetrically disposed at the butt end of each semicircular hoop 11.
In the present embodiment, an annular rubber pad is disposed on the inner wall of each semicircular hoop 11.
In the present embodiment, a cap 6 is further provided on the upper end of each Zn-22Al alloy rod 2.
In the present embodiment, each of the Zn — 22Al alloy rods 2 includes a double-tapered body 21 having a thin middle and thick two ends in a narrow waist shape, and cylindrical bodies 22 provided at both ends of the double-tapered body 21.
In other embodiments, the type of connecting assembly 4 may be selected according to the actual situation.
In other embodiments, the shape, number and mounting position of the Zn-22Al alloy rods 2 can be designed according to actual conditions.
The utility model has the advantages that the external threads are arranged at the two ends of the Zn-22Al alloy rod, the Zn-22Al alloy rod is detachably connected between the hoop and the mounting seat, meanwhile, the first boss and the second boss on the two semicircular hoops are butted and fixed together in a staggered way through the first nut and the second nut, the installation and the disassembly are very convenient, the straight slotted hole is arranged on the first boss, the through slot is arranged on the second boss, the first bolt has a certain moving space in the horizontal direction, even if a certain error exists in the butt joint process of the two semicircular hoops, the butt joint can be smoothly completed, the risk of scrapping of the device due to the incapability of installation is effectively reduced, the annular rubber pad is arranged on the inner wall of the semicircular hoop, the attachment between the hoop and the pier body of the pier is more compact, when the pier is shocked due to the reasons of earthquakes and the like, the overlarge slippage between the pier body and the hoop can be avoided, make power consumption device can in time carry out the power consumption shock attenuation to the pier, avoid pier and power consumption device to damage because of receiving the transient impact too big, simultaneously, rubber pad itself has certain elasticity, can further strengthen power consumption device's power consumption ability, whole device simple structure, and it is very convenient to install and change, has good power consumption ability, and itself is not fragile, long service life, and economic nature is high.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. An external energy dissipation device for replaceable Zn-22Al alloy rods of a pier is characterized by comprising a hoop (1), a plurality of Zn-22Al alloy rods (2) and a mounting seat (3); a plurality of Zn-22Al alloy rods (2) are uniformly distributed between the hoop (1) and the mounting seat (3);
the hoop (1) is composed of two semicircular hoops (11) which are arranged in a staggered mode; two butt ends of each semicircular hoop (11) are respectively provided with a first boss (12) and a second boss (13) which extend outwards; the first boss (12) of one semicircular hoop (11) is detachably connected with the second boss (13) of the other semicircular hoop (11) through a connecting component (4);
two ends of the Zn-22Al alloy rods (2) are detachably connected to the semicircular hoops (11) and the mounting seat (3) respectively.
2. The external energy consumption device for bridge piers replaceable Zn-22Al alloy bars as claimed in claim 1, wherein the connection assembly (4) comprises a first bolt (41), a second bolt (42), a first nut (43) and a second nut (44); one end of the first bolt (41) is provided with an external thread matched with the first bolt (41), and the other end of the first bolt is provided with a circular ring (411) matched with the second bolt (42); one end of the second bolt (42) is provided with an external thread matched with the second nut (44).
3. The pier replaceable Zn-22Al alloy bar external energy consumption device as claimed in claim 2, wherein a straight slot hole (121) is formed in the middle of the first boss (12); a vertical through hole (131) is formed in the second boss (13), and a through groove (132) corresponding to the straight groove hole (121) is formed in the middle of the second boss; the through hole (131) penetrates through the through groove (132); one end of the first bolt (41) with external threads penetrates through the straight slotted hole (121) and extends outwards, and the extending part of the first bolt is matched with the first nut (43); the screw rod of the second bolt (42) penetrates through the through hole (131) and the inner hole of the circular ring (411), and the part of the screw rod, which extends out of the second boss (13), is matched with the second nut (44).
4. The pier replaceable Zn-22Al alloy rod external energy consumption device as claimed in claim 1, wherein both ends of each Zn-22Al alloy rod (2) are provided with external threads; correspondingly, each semicircular hoop (11) and the mounting seat (3) are provided with threaded holes corresponding to the number of the Zn-22Al alloy rods (2); the external thread part of one end of each Zn-22Al alloy rod (2) is matched with the threaded hole on the mounting seat (3); the external thread part at the other end of each Zn-22Al alloy rod (2) is matched with the threaded hole on the semicircular hoop (11) and extends outwards, and a third nut (5) is arranged on the extending part of the external thread part.
5. The pier replaceable Zn-22Al alloy rod external energy consumption device as claimed in claim 1, wherein four Zn-22Al alloy rods (2) are provided; the butt joint end of each semicircular hoop (11) is symmetrically provided with two Zn-22Al alloy rods (2).
6. The pier-replaceable Zn-22Al alloy bar external energy dissipation device as recited in claim 1, wherein an annular rubber pad is arranged on an inner wall of each semicircular hoop (11).
7. The pier replaceable Zn-22Al alloy rod external energy consumption device as claimed in claim 1, wherein a bearing platform (6) is further arranged at the upper end of each Zn-22Al alloy rod (2).
8. The pier-replaceable Zn-22Al alloy bar external energy consumption device as claimed in claim 1, wherein each Zn-22Al alloy bar (2) comprises a double-cone (21) with a thin middle and thick narrow waist-shaped ends and cylinders (22) arranged at two ends of the double-cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241567.3U CN214459580U (en) | 2021-01-28 | 2021-01-28 | External energy consumption device of removable Zn-22Al alloy stick of pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241567.3U CN214459580U (en) | 2021-01-28 | 2021-01-28 | External energy consumption device of removable Zn-22Al alloy stick of pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214459580U true CN214459580U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120241567.3U Active CN214459580U (en) | 2021-01-28 | 2021-01-28 | External energy consumption device of removable Zn-22Al alloy stick of pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214459580U (en) |
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2021
- 2021-01-28 CN CN202120241567.3U patent/CN214459580U/en active Active
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