CN218067496U - Pseudo-static test loading device of assembled tubular pier - Google Patents
Pseudo-static test loading device of assembled tubular pier Download PDFInfo
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- CN218067496U CN218067496U CN202222400221.0U CN202222400221U CN218067496U CN 218067496 U CN218067496 U CN 218067496U CN 202222400221 U CN202222400221 U CN 202222400221U CN 218067496 U CN218067496 U CN 218067496U
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Abstract
The utility model relates to a loading device, in particular to a pseudo-static test loading device of an assembly type tubular pier, which comprises a prefabricated tubular pier, wherein the top end of the prefabricated tubular pier is detachably provided with a fixed part, the top end of the fixed part is detachably connected with a loading plate, and the outer side wall of the fixed part is detachably connected with an MTS loading head; the fixed part comprises a left side semicircular hoop and a right side semicircular hoop, the left side semicircular hoop and the right side semicircular hoop are symmetrically arranged on two sides of the top end of the prefabricated tubular pier in a detachable mode, the top ends of the left side semicircular hoop and the right side semicircular hoop are respectively detachably connected with the loading plate, the MTS loading head is far away from one side of the left side semicircular hoop and is detachably connected with the right side semicircular hoop, and the loading device has the advantages of scientific design, convenience in disassembly and assembly and strong bearing capacity, and can improve good push-pull force and vertical force in a pseudo-static test of an earthquake.
Description
Technical Field
The utility model belongs to the pseudo-static test field of pier especially relates to a pseudo-static test loading device of assembled cast pier.
Background
At present, the traditional construction mode mainly comprising manual binding and on-site pouring is adopted in the construction of the prefabricated lower part structure of the upper part structure of the domestic bridge, and the traditional construction mode is not in accordance with the assembly type construction concept vigorously advocated by the state, so the prefabricated construction of the lower part structure of the bridge needs to be carried out on a large scale. And China is between the Pacific earthquake zone and the Eurasian earthquake zone, earthquakes occur frequently, and the prefabricated pier is better suitable for a high-intensity earthquake area, and a large amount of reliability research on the earthquake resistance of the prefabricated pier is needed.
At present, the anti-seismic performance of a component is generally researched by adopting a pseudo-static test method. The pier stud mainly has two forms of a square type and a tubular type aiming at prefabricated pier components. The square pier column can be used for pre-buried pipelines above the pier column for subsequent connection with a loading device, and for the tubular pier column, because the outer wall of the tubular pier column is arc-shaped, the pre-buried pipelines not only cause the horizontal loading force to deviate, but also are not beneficial to device reinforcement, and the method is not suitable any more.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pseudo-static test loading device of assembled cast pier solves the dismouting difficulty of assembled pier, the weak problem of bearing capacity, reaches strong, the easy dismounting's of shock resistance purpose.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a pseudo-static test loading device of assembled cast pier which characterized in that: a pseudo-static test loading device for an assembled tubular pier comprises a prefabricated tubular pier, wherein a fixed part is detachably arranged at the top end of the prefabricated tubular pier, a loading plate is detachably connected to the top end of the fixed part, and an MTS loading head is detachably connected to the outer side wall of the fixed part;
the fixed part comprises a left side semicircular hoop and a right side semicircular hoop, the left side semicircular hoop and the right side semicircular hoop are symmetrically arranged on two sides of the top end of the prefabricated tubular pier in a detachable mode, the top ends of the left side semicircular hoop and the right side semicircular hoop are detachably connected with the loading plate respectively, and the MTS loading head is detachably connected with one side, far away from the left side semicircular hoop, of the right side semicircular hoop.
Preferably, the semicircular hoop at the left side comprises a first square end plate, the first square end plate is close to a first cross end plate fixedly connected with the side wall of the semicircular hoop at the right side and a plurality of first stiffening ribs, the first cross end plate is fixed at the middle part of the side wall of the first square end plate, the first stiffening ribs are symmetrically distributed at two sides of the first cross end plate, the first cross end plate and the first stiffening ribs are far away from a first half circular plate fixedly connected with one side of the first square end plate, two ends of the first half circular plate are respectively fixedly connected with a first ear plate, each first ear plate is provided with a plurality of ear plate large bolt holes, the two first ear plates are detachably connected with the semicircular hoop at the right side, and the first cross end plate is detachably connected with the loading plate.
Preferably, the semicircular hoop on the right side comprises a second square end plate, the second square end plate is close to a second cross-shaped end plate fixedly connected with the side wall of the first square end plate and a plurality of second stiffening ribs, the second cross-shaped end plate is fixed at the middle of the side wall of the second square end plate, the second stiffening ribs are symmetrically distributed on two sides of the second cross-shaped end plate, the other side wall of the second square end plate is detachably connected with the MTS loading head, the second cross-shaped end plate is far away from the second stiffening ribs, the second semicircular plate is fixedly connected with one side of the second square end plate, two ends of the second semicircular plate are respectively fixedly connected with a second lug plate and each lug plate is provided with a plurality of lug plate normal bolt holes, the lug plate normal bolt holes correspond to the lug plate large bolt holes one by one, the second lug plate is detachably connected with the first lug plate, and the second cross-shaped end plate is detachably connected with the loading plate.
Preferably, the first square end plate and the second square end plate are detachably connected through a plurality of high-strength screws which are symmetrically distributed at two ends of the first square end plate and the second square end plate.
Preferably, an adapter plate is arranged between the second square end plate and the MTS loading head, and two sides of the adapter plate are detachably connected with the second square end plate and the MTS loading head respectively.
Preferably, the inner diameters of the first semicircular plate and the second semicircular plate are smaller than the outer diameter of the precast tubular pier.
Preferably, the first cross end plate, the second cross end plate, the adapter plate and the loading plate are all provided with reserved hoisting holes.
The utility model discloses has following technological effect:
1. the utility model discloses well all components adopt bolted connection mode, and the scene need not the welding, installs and removes the convenience. The structural integrity is strong, and good constraint force can be improved under the action of low-cycle reciprocating load;
2. when a vertical load needs to be applied to a component in a test, the pier is hollow, the vertical jack cannot directly act on the upper portion of the pier, the vertical force can be uniformly distributed on the upper portion of the pier through the arrangement of the loading plate, the loading plate is connected with the fixing part through the bolts, the loading plate does not displace under the reciprocating load effect, and the continuous and stable vertical force can be improved.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the left semicircular hoop structure of the utility model;
fig. 3 is a schematic view of the right semicircular hoop structure of the present invention;
fig. 4 is a schematic structural view of the adapter plate of the present invention;
fig. 5 is a schematic structural view of the loading plate of the present invention;
wherein, 1, the left semicircular hoop; 2. a right semicircular hoop; 3. a patch panel; 4. a loading plate; 5. prefabricating a tubular pier; 6. an MTS loading head; 7. a high-strength screw; 11. a first ear plate; 12. a first square end plate; 13. a first stiffener; 14. a first cross end plate; 15. lug plate big bolt holes; 21. a second ear plate; 22. a second square end plate; 23. a second stiffener; 24. a second cross-shaped end plate; 25. normal bolt holes of the lug plate.
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.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-5, the utility model discloses a pseudo-static test loading device of an assembly type tubular pier, which comprises a prefabricated tubular pier 5, wherein a fixed part is detachably arranged at the top end of the prefabricated tubular pier 5, a loading plate 4 is detachably connected at the top end of the fixed part, and an MTS loading head 6 is detachably connected on the outer side wall of the fixed part;
the fixed part comprises a left side semicircular hoop 1 and a right side semicircular hoop 2, the left side semicircular hoop 1 and the right side semicircular hoop 2 are symmetrically arranged on two sides of the top end of the prefabricated tubular pier in a detachable mode, the top ends of the left side semicircular hoop 1 and the right side semicircular hoop 2 are respectively detachably connected with the loading plate 4, and the MTS loading head 6 and one side, far away from the left side semicircular hoop 1, of the right side semicircular hoop 2 are detachably connected.
Further optimize the scheme, the semicircular staple bolt 1 in left side includes first square end plate 12, the lateral wall fixedly connected with first cross end plate 14 and a plurality of first stiffening rib 13 that first square end plate 12 is close to the semicircular staple bolt 2 in right side, first cross end plate 14 is fixed in first square end plate 12 lateral wall middle part, a plurality of first stiffening rib 13 symmetric distribution are in first cross end plate 14 both sides, first cross end plate 14 keeps away from the first half plectane of the common fixedly connected with in one side of first square end plate 12 with first stiffening rib 13, first half plectane both ends are the first otic placode 11 of fixedly connected with respectively, a plurality of otic placode big bolt holes 15 have been seted up on every first otic placode 11, two first otic placodes 11 all can be dismantled with the semicircular staple bolt 2 in right side and be connected, first cross end plate 14 can be dismantled with loading plate 4 and be connected.
Further optimize the scheme, the semicircular hoop 2 on the right side includes the square end plate 22 of second, the square end plate 22 of second is close to the lateral wall fixedly connected with second letter end plate 24 and a plurality of second stiffening rib 23 of first square end plate 12, second letter end plate 24 is fixed at the lateral wall middle part of the square end plate 22 of second, a plurality of second stiffening rib 23 symmetric distributions are in the square end plate 24 both sides of second, another lateral wall of the square end plate 22 of second can dismantle with MTS loading head 6 and be connected, the common fixedly connected with second semicircle board in one side that the square end plate 22 of second was kept away from to second letter end plate 24 and second stiffening rib 23, second semicircle board both ends are fixedly connected with second otic placode 21 respectively, a plurality of normal bolt holes 25 of otic placode have been seted up on every second otic placode 21, normal bolt hole 25 of otic placode corresponds with 15 big bolt hole one-to one, second otic placode 21 can dismantle with first otic placode 11 and be connected, second letter end plate 24 can dismantle with loading plate 4 and be connected.
The integral device formed by arranging the plurality of first stiffening ribs 13, the plurality of second stiffening ribs 23, the first cross end plate 14 and the second cross end plate 24 has stronger support performance, and can better simulate the earthquake action.
Further optimize the scheme, first square end plate 12 and second square end plate 22 can dismantle through a plurality of screw rods 7 that excel in and be connected, and a plurality of screw rods 7 that excel in symmetric distribution are at first square end plate 12 and second square end plate 22 both ends.
Further optimize the scheme, be provided with keysets 3 between second square end plate 22 and the MTS loading head 6, keysets 3 both sides respectively with second square end plate 22, MTS loading head 6 detachable connections.
Can dismantle the connection and make whole device dismantle more swiftly, improve test efficiency, when MTS loading head 6 was great apart from the square end plate 22 edge of second when can be compensated to the setting of keysets 3, the thickness of keysets 3 can be according to the nimble setting of distance size to bolt hole staggers each other in both sides, the bolt alternately appears the unable situation of screwing up when avoiding the equipment.
According to the further optimization scheme, the inner diameters of the first semicircular plate and the second semicircular plate are smaller than the outer diameter of the prefabricated pipe type pier 5.
The gap that leaves after the butt joint is greater than the thickness of two first otic placodes 11 or second otic placodes 21, and this staple bolt is convenient for left side semicircular hoop 1 and right side semicircular hoop 2 more effectual staple bolt live prefabricated cast pier when making the bolt tighten the atress.
Further optimize the scheme, first cross end plate 14, second cross end plate 24, keysets 3, load plate 4 have all been seted up and have been reserved the hole for hoist.
The hoisting holes are arranged to facilitate the steel cable to fix and install each part when each part is hoisted.
The working process of the embodiment is as follows:
designing the sizes of a semicircular hoop and a loading plate 4 according to the size of an actual prefabricated tubular pier 5, wherein the inner diameters of the two semicircular hoops are the same as the outer diameter of the prefabricated tubular pier 5, the short side size of the loading plate 4 is larger than the diameter of the prefabricated tubular pier 5, designing the size of an adapter plate 3 according to the bolt distance of an MTS loading head 6, the thickness is determined by the distance between the MTS loading head 6 and the edge of a square end plate of the hoop, mechanically connecting the adapter plate 3 and the MTS loading head 6 through bolts by using a torque wrench, hoisting a right semicircular hoop 2, aligning the right semicircular hoop 2 and the screw hole center of the adapter plate 3, mechanically connecting the prefabricated tubular pier 5 through the torque wrench, calibrating the position, hoisting a left semicircular hoop 1, aligning the screw hole center of the left semicircular hoop 1 and the screw hole center of the right semicircular hoop 2, aligning lug plate bolts, high-strength screws 7, mechanically connecting through the torque wrench, hoisting a top loading plate 4, horizontally placing the left semicircular hoop 1 and the right semicircular hoop 2, and mechanically connecting the left semicircular hoop through the torque wrench.
In order to further improve the test efficiency, after the loading test of one component is completed, only the top loading plate 4, the left semicircular hoop 1, the corresponding screw and the corresponding bolt need to be disassembled. The right semicircular anchor ear 2 can be reliably connected with the MTS loading head 6 through the adapter plate 3 all the time, so that the assembling time can be reduced, the installation and positioning effects can be achieved, and the left semicircular anchor ear 1, the corresponding high-strength screw 7, the bolts and the loading plate 4 can be installed again after the replacement of components is completed, so that the next test can be carried out.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a pseudo-static test loading device of assembled cast pier which characterized in that: the prefabricated pipe type bridge pier structure comprises a prefabricated pipe type bridge pier (5), wherein a fixed part is detachably arranged at the top end of the prefabricated pipe type bridge pier (5), a loading plate (4) is detachably connected to the top end of the fixed part, and an MTS loading head (6) is detachably connected to the outer side wall of the fixed part;
the fixed part comprises a left side semicircular hoop (1) and a right side semicircular hoop (2), the left side semicircular hoop (1) and the right side semicircular hoop (2) are symmetrically arranged at two sides of the top end of the prefabricated pipe type pier (5) in a detachable mode, the top ends of the left side semicircular hoop (1) and the right side semicircular hoop (2) are respectively detachably connected with the loading plate (4), and the MTS loading head (6) is connected with the right side semicircular hoop (2) far away from one side of the left side semicircular hoop (1) in a detachable mode.
2. The pseudo-static test loading device for the fabricated tubular pier according to claim 1, wherein the pseudo-static test loading device comprises: the semicircular hoop (1) on the left side comprises a first square end plate (12), the first square end plate (12) is close to the middle of the side wall of the semicircular hoop (2) on the right side and is fixedly connected with a first cross end plate (14) and a plurality of first stiffening ribs (13), the first cross end plate (14) is fixed at the middle of the side wall of the first square end plate (12) and is provided with a plurality of first stiffening ribs (13) which are symmetrically distributed on two sides of the first cross end plate (14), the first cross end plate (14) is far away from the first stiffening ribs (13), the first semi-circular plate is fixedly connected with one side of the first square end plate (12) together, two ends of the first semi-circular plate are fixedly connected with first lug plates (11) respectively, each lug plate (11) is provided with a plurality of lug plate large bolt holes (15), and the two lug plates (11) are both detachably connected with the semicircular hoop (2) on the right side, and the first cross end plate (14) is detachably connected with the loading plate (4).
3. The pseudo-static test loading device for the fabricated tubular pier according to claim 2, wherein the pseudo-static test loading device comprises: the semicircular hoop (2) on the right side comprises a second square end plate (22), the second square end plate (22) is close to the side wall fixedly connected with second cross end plate (24) and a plurality of second stiffening ribs (23) of the first square end plate (12), the second cross end plate (24) is fixed at the middle part of the side wall of the second square end plate (22), the second stiffening ribs (23) are symmetrically distributed on two sides of the second cross end plate (24), the other side wall of the second square end plate (22) is detachably connected with the MTS loading head (6), the second cross end plate (24) is far away from the second stiffening ribs (23) and is fixedly connected with a second semicircular plate on one side of the second square end plate (22), two ends of the second semicircular plate are fixedly connected with second lug plates (21) respectively, each lug plate (21) is provided with a plurality of lug plate normal bolt holes (25), the lug plates are normal bolt holes (25) corresponding to lug plates (15) one by one, the second lug plates (21) are connected with the first lug plates (11) in a detachable manner, and the lug plates (4) are detachably connected with the lug plates.
4. The pseudo-static test loading device for the fabricated tubular pier according to claim 3, wherein the pseudo-static test loading device comprises: the first square end plate (12) and the second square end plate (22) are detachably connected through a plurality of high-strength screws (7), and the high-strength screws (7) are symmetrically distributed at two ends of the first square end plate (12) and the second square end plate (22).
5. The pseudo-static test loading device for the fabricated tubular pier according to claim 3, wherein the pseudo-static test loading device comprises: an adapter plate (3) is arranged between the second square end plate (22) and the MTS loading head (6), and two sides of the adapter plate (3) are detachably connected with the second square end plate (22) and the MTS loading head (6) respectively.
6. The pseudo-static test loading device for the fabricated tubular pier according to claim 3, wherein the pseudo-static test loading device comprises: the inner diameters of the first semicircular plate and the second semicircular plate are smaller than the outer diameter of the prefabricated tubular pier (5).
7. The pseudo-static test loading device for the fabricated tubular pier according to claim 5, wherein the pseudo-static test loading device comprises: the first cross end plate (14), the second cross end plate (24), the adapter plate (3) and the loading plate (4) are all provided with reserved hoisting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222400221.0U CN218067496U (en) | 2022-09-09 | 2022-09-09 | Pseudo-static test loading device of assembled tubular pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222400221.0U CN218067496U (en) | 2022-09-09 | 2022-09-09 | Pseudo-static test loading device of assembled tubular pier |
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| Publication Number | Publication Date |
|---|---|
| CN218067496U true CN218067496U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222400221.0U Active CN218067496U (en) | 2022-09-09 | 2022-09-09 | Pseudo-static test loading device of assembled tubular pier |
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| CN (1) | CN218067496U (en) |
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- 2022-09-09 CN CN202222400221.0U patent/CN218067496U/en active Active
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