CN114961013B - Replaceable component type energy consumption support, self-resetting support and use method thereof - Google Patents

Replaceable component type energy consumption support, self-resetting support and use method thereof Download PDF

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Publication number
CN114961013B
CN114961013B CN202210720603.3A CN202210720603A CN114961013B CN 114961013 B CN114961013 B CN 114961013B CN 202210720603 A CN202210720603 A CN 202210720603A CN 114961013 B CN114961013 B CN 114961013B
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steel pipe
thick
wall steel
flange
guide shaft
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CN114961013A (en
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郑国足
韩建平
张守丽
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Lanzhou University of Technology
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Lanzhou University of Technology
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention relates to the technical field of civil engineering, in particular to a novel replaceable part type energy consumption support utilizing notched thick-wall steel pipes to consume energy, a novel self-resetting support and a respective installation and use method, which are applied to the field of shock absorption control of buildings and bridge structures. The novel energy dissipation support is simple in structure, high in ductility, assembled, reusable, stable in performance, high in bearing capacity and replaceable in core component, and comprises a first connecting piece, a first outer sleeve, a guide shaft, a second connecting piece, a first notch thick-wall steel pipe, a sealing plate, a limit nut, a first notch thick-wall steel pipe connecting flange, a third stop nut, a first connecting bolt and a fifth connecting bolt; one end of the first outer sleeve is connected with the first connecting piece, and the other end of the first outer sleeve is connected with the sealing plate to overcome the defect of the existing self-resetting support.

Description

Replaceable component type energy consumption support, self-resetting support and use method thereof
Technical Field
The invention relates to the technical field of civil engineering, in particular to a novel replaceable part type energy consumption support utilizing notched thick-wall steel pipes to consume energy, a novel self-resetting support and a respective installation and use method, which are applied to the field of shock absorption control of buildings and bridge structures.
Background
China is a country with frequent earthquakes, and destructive earthquakes occur, which often causes serious threat to the life and property security of people. Therefore, how to improve the earthquake-resistant performance of the building becomes a long-standing research focus of engineering earthquake-resistant scientific researchers. One of the effective measures at present is to replace the traditional support by using the energy-consuming support, so that the energy input to the building by the earthquake is consumed, and the damage to the building caused by the earthquake is reduced. Among all energy-consuming supports, the buckling restrained brace (or buckling restrained brace, BRB for short) which is widely applied at present and is proposed by Japanese scholars is subjected to yielding but not buckling when being pressed, has good energy-consuming capacity, thereby acting as a fuse of a structure and effectively avoiding serious damage of the structure in a large earthquake. Since the introduction of BRB into China, a great deal of research is carried out on BRB by Chinese scholars, a plurality of new construction forms are developed, and practical engineering application is also realized. However, the current products still have some defects, such as easy buckling of the end parts of the components, unbalanced pulling and pressing under the action of load, easy cracking of concrete and mortar in the grouting BRB under the action of repeated load, relatively sensitive supporting performance to manufacturing errors, immediate failure of supporting and withdrawal from work (only one line of defense after the inner core is broken by tension), limited supporting ductility (the existing test data show that most BRB cannot meet the maximum ductility requirement of the buckling restrained supporting frame under the condition of 2% exceeding probability of earthquake input within 50 years) and huge waste caused by integral replacement after earthquake or product sampling inspection due to the fact that the supporting cannot be recycled. In addition, BRB mainly uses plastic deformation of metal to consume energy, so that a building can generate certain residual deformation after earthquake, and when the residual deformation is large, the building can lose the use function, so that normal life and production of people can be influenced. In view of this, a new design concept of earthquake resistance, i.e. a structure with a recoverable function, is proposed by students, and the structure is characterized in that the service function of the structure can be recovered by local restoration without restoration or influence on the service after earthquake, so that extensive researches on engineering earthquake resistance are obtained. One of the realization ways of the recoverable functional structure is to replace the traditional support with a new self-resetting energy-consuming support, and realize post-earthquake resetting of the whole structure through the resetting function of the self-resetting energy-consuming support. This approach has minimal changes to the traditional architecture and is therefore easier to popularize and apply. The current self-resetting energy consumption support is realized by adding resetting materials such as prestressed reinforcement, prestressed steel strands or shape memory alloy on the basis of the traditional BRB, but the traditional BRB has the defects and is not simple in structure, the structure is quite complex after the resetting function is added, and the manufacturing and assembling difficulties are high. On the other hand, the elastic deformation of the prestressed reinforcement and the prestressed steel strand is smaller, the deformation capacity of the self-resetting support is limited, the shape memory alloy has better elastic deformation capacity, but the performance of the shape memory alloy is obviously affected by temperature, the shape memory alloy can be restored to the state before deformation only by heating after deformation, the price is relatively higher, and the support manufacturing cost is increased. Other self-resetting energy-consuming supports which consume energy by friction or viscous fluid are clear in energy-consuming mechanism, but based on the friction energy-consuming support, a friction surface becomes smooth gradually under the action of reciprocating load, friction coefficient changes along with the increase of friction times, so that friction force is reduced, reliability in long-term use is further reduced, and problems of difficulty in sealing, easiness in liquid leakage and the like exist on the basis of the viscous fluid energy-consuming support.
The invention aims to solve the problems in the prior art, and provides a novel energy-consuming brace which has the advantages of simple structure, high ductility, assembly type, reusability, stable performance, high bearing capacity and replaceable core component, is used as a substitute product with better existing restrained buckling brace (BRB), and is additionally provided with a belleville spring group for resetting on the basis, so that the novel energy-consuming brace capable of self-resetting based on the energy consumption of the notched thick-wall steel tube is formed, and the defects of the existing energy-consuming brace capable of self-resetting are overcome.
Disclosure of Invention
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the replaceable part type energy dissipation support comprises a first connecting piece, a first outer sleeve, a guide shaft, a second connecting piece, a first notched thick-wall steel pipe, a sealing plate, a limit nut, a first notched thick-wall steel pipe connecting flange, a third stop nut, a first connecting bolt and a fifth connecting bolt; one end of the first outer sleeve is connected with the first connecting piece;
a fixed connecting disc is arranged in the first outer sleeve, penetrates into the guide shaft and is connected with the guide shaft through a first notch thick-wall steel pipe connecting flange, a second connecting piece is arranged at one end of the guide shaft, a connecting limit nut is arranged at the other end of the guide shaft, and the limit nut is blocked at one side of the fixed connecting disc; the guide shaft is sleeved with a first notch thick-wall steel pipe, one end of the first notch thick-wall steel pipe is blocked at the other side of the fixed connection disc, and the other end of the first notch thick-wall steel pipe is blocked through a third stop nut.
The replaceable component type self-resetting support comprises a replaceable component type energy dissipation support, and further comprises a second outer sleeve, wherein a fixed connecting disc is arranged in the second outer sleeve, the second outer sleeve is spliced with the first outer sleeve, a guide shaft penetrates through the second outer sleeve, a belleville spring or a belleville spring group is sleeved on the guide shaft, and two ends of the belleville spring or the belleville spring group are respectively clamped between the fixed connecting discs of the adjacent sleeves.
And the two sides of the disc spring or the disc spring group are provided with a first cut thick-wall steel pipe and a second cut thick-wall steel pipe.
A plurality of groups of incisions are formed in the first incision thick-wall steel pipe and the second incision thick-wall steel pipe in a staggered manner; the first notch thick-wall steel pipe or the second notch thick-wall steel pipe is divided into a first connecting section, an energy consumption section and a second connecting section, wherein the first connecting section is provided with internal threads and is fixedly connected with a guide shaft, the second connecting section is provided with external threads and is connected with a first notch thick-wall steel pipe connecting flange, the inner diameter of the energy consumption section is larger than the diameter of the guide shaft by 1mm-2mm, and the length of the second notch thick-wall steel pipe is larger than or equal to that of the first notch thick-wall steel pipe.
The left end of the guide shaft is provided with left end threads for installing a limit nut, the right end of the guide shaft is provided with right end threads for being connected with a second connecting piece, the middle part of the guide shaft is provided with left threads and right threads, the left threads are used for installing a first cut thick-wall steel pipe and a third retaining nut, the right threads are used for installing a second cut thick-wall steel pipe and a fourth retaining nut, the specification sizes of the third retaining nut and the fourth retaining nut are the same, no thread section is arranged between the left threads and the right threads, no thread section is arranged between the left end threads and the left threads, and no thread section is arranged between the right threads and the right threads; the first connecting piece is formed by welding an ear plate I and an end plate, a round hole I is formed in the ear plate I and used for pin shaft connection, and bolt holes I are uniformly formed in the end plate along the circumferential direction and used for connecting the first connecting piece and a first outer sleeve; the second connecting piece is formed by welding a connector and an ear plate II, a threaded hole I is formed in the middle of the connector, the threaded hole I is in threaded matching connection with the right end, a round hole II is formed in the middle of the ear plate II and used for pin shaft connection, and the diameter of the round hole II is identical to that of the round hole I.
The first outer sleeve is formed by combining a first flange, a first steel pipe, a second flange, a second steel pipe and a third flange, wherein the inner diameter of the first flange is the same as the outer diameter of the first steel pipe, the first flange is welded and connected to the left side of the first steel pipe, a bolt hole II is formed in the circumferential direction, the bolt hole II corresponds to a bolt hole I formed in a first connecting piece and is connected with the first steel pipe through a first connecting bolt, the right side of the first steel pipe is welded on the second flange, the length of the first steel pipe is required to ensure that the distance between the right end face of a limiting nut and the left end face of the second flange when a guide shaft moves rightwards is not less than the limit deformation of a support, the distance between the left end face of the limiting nut and the right end face of an end plate when the guide shaft moves leftwards is not less than the limit deformation of the support, the length of the first steel pipe is not less than the sum of the thickness of the limiting nut when the limiting deformation of the support design, the second flange is uniformly provided with a bolt hole VI along a central matrix, the left side of the second steel pipe is welded and connected with the second steel pipe, the inner diameter of the second steel pipe is the same as the first steel pipe, the third flange is in a circular shape, the inner diameter is the same as the second steel pipe, the right end of the second steel pipe is uniformly welded on the right side of the bolt hole;
The third outer sleeve consists of a sixth flange, a fourth steel pipe, a seventh flange and a fifth steel pipe, wherein the inner diameter of the sixth flange is identical to the outer diameter of the fourth steel pipe, bolt holes IV are uniformly formed in the circumferential direction, the bolt holes IV correspond to the bolt holes III, the inner diameters and the outer diameters of the fourth steel pipe and the fifth steel pipe are identical to those of the first steel pipe and the second steel pipe, the seventh flange is identical to the second flange in all dimensions, and the diameters, the numbers and the positions of the bolt holes V arranged in the circumferential direction are identical to those of the bolt holes VI; the length of the fifth steel pipe, which does not bear external load, is preferably 100mm-200mm, and a threaded hole is formed in one side, far away from the seventh flange, of the fifth steel pipe, and is used for installing a fourth connecting bolt.
The sealing plate comprises a middle round hole and bolt holes VII which are arranged along the circumferential direction, and the right port of the third outer sleeve is sealed, and the bolt holes VII are uniformly arranged along the circumferential direction and are used for installing fourth connecting bolts; the limiting nut is arranged at the left end of the guide shaft and used for limiting the guide shaft to be pulled out of the support when the first cut thick-wall steel pipe and the second cut thick-wall steel pipe are damaged;
the first notch thick-wall steel pipe connecting flange is in a convex shape and comprises an internal threaded hole and threaded holes III 1202 which are uniformly distributed along the circumferential direction, wherein the internal threaded hole is in threaded connection with a second connecting section of the first notch thick-wall steel pipe, and the threaded holes III 1202 are used for connecting the first notch thick-wall steel pipe connecting flange with a first outer sleeve through a fifth connecting bolt;
The second notch thick-wall steel pipe connecting flange has the same size as the first notch thick-wall steel pipe connecting flange;
the third retaining nut is arranged on the right side of the first cut thick-wall steel pipe and used for preventing the first cut thick-wall steel pipe from being supported to displace relative to the guide shaft under the action of load;
the fourth retaining nut is arranged on the left side of the second cut thick-wall steel pipe and used for preventing the second cut thick-wall steel pipe from being displaced relative to the guide shaft under the action of load;
the first connecting bolts are used for fixing the first connecting pieces and the first outer sleeves, and the number and the diameter of the first connecting bolts are determined according to the supporting design bearing capacity; the second connecting bolt is used for fixing the first outer sleeve and the second outer sleeve or the third outer sleeve; the fourth connecting bolt is used for fixing the sealing plate and the third outer sleeve; the fifth connecting bolt is used for fixing the first cut thick-wall steel pipe connecting flange and the first outer sleeve; and the sixth connecting bolt is used for fixing the second cut thick-wall steel pipe connecting flange and the third outer sleeve.
And sealing plates are arranged on the first outer sleeve and the third outer sleeve.
Wherein: the notched thick-wall steel pipe is a metal pipe, wherein the materials are LYP100, LYP160, Q235, Q345, Q460, 20# or 45# and aluminum alloy; the wall thickness range of the thick-wall steel pipe is defined as: 10mm-120mm; load bearing range of the combined belleville springs: 1 kN-5000 kN, and the bearing capacity range of a single-notch thick-wall steel pipe: 10 kN-10000 kN, two parallel cut thick-wall steel pipes, the bearing capacity will double.
The beneficial effects of the invention are as follows:
1) The novel energy-consuming support has high ductility and strong deformability, the deformability of the novel energy-consuming support is positively correlated with the number of circular rings formed after the incision of the incision thick-wall steel tube, the deformability of the novel energy-consuming support is not limited in theory, and the deformability of the novel energy-consuming support is increased as long as the number of the circular rings is increased.
2) The novel energy consumption support has 2-3 defense lines when destroyed, has 3 defense lines when the incision thick-wall steel pipe is arranged in pairs (1 st defense line is fatigue fracture of the first incision thick-wall steel pipe, 2 nd defense line is fatigue fracture of the second incision thick-wall steel pipe, 3 rd defense line is tension fracture of the limit nut), has 2 defense lines when the incision thick-wall steel pipe is singly arranged (1 st defense line is fatigue fracture of the first incision thick-wall steel pipe, 2 nd defense line is tension fracture of the limit nut).
3) The novel energy-consuming support and the novel self-resetting support have local replaceability, reusability and quick repairability, and after the earthquake damage, only the cut thick-wall steel tube needs to be replaced, other parts can be reused, the repairing speed is high, the difficulty is low, and the repairing cost is low.
4) Because the deformation of the notch thick-wall steel pipe is symmetrical when being pulled and pressed, the novel energy-consuming brace and the novel self-resetting brace formed by the method have the characteristics of equal strength of pulling and pressing under the action of reciprocating load.
5) The novel energy consumption support and the novel self-resetting support are insensitive to manufacturing and installation errors, the novel energy consumption support and the novel self-resetting support mainly depend on the energy consumption of the notched thick-wall steel pipe, so long as the notched thick-wall steel pipe is guaranteed to be capable of axially deforming, the manufacturing and installation errors can not obviously influence the mechanical properties of the two novel supports, in addition, the length of the guiding constraint shaft penetrating into the outer sleeve steel pipe is adjusted, and the support length can be slightly adjusted to adapt to different installation errors.
6) The novel energy-consuming support and the novel self-resetting support are simple in structure and assembly, all parts can be produced in batch in a factory, welding connection is avoided in the assembly process, and the assembly construction speed is high.
Drawings
FIG. 1 is a cross-sectional view of a novel energy dissipating brace of the present invention
FIG. 2 is a cross-sectional view of the novel self-resetting support of the present invention
FIG. 3 is a schematic view of a first connector according to the present invention
FIG. 4 is a schematic view of a first outer sleeve according to the present invention
FIG. 5 is a schematic view of a second flange according to the present invention
FIG. 6 is a schematic view of a second outer sleeve according to the present invention
FIG. 7 is a schematic view of a third outer sleeve according to the present invention
FIG. 8 is a schematic view of a guide shaft according to the present invention
FIG. 9 is a schematic view of a second connector according to the present invention
FIG. 10 is a schematic view of a first slit thick-wall steel pipe according to the present invention
FIG. 11 is a schematic view of a closure plate according to the present invention
FIG. 12 shows a first notched thick-walled steel pipe flange according to the present invention
FIG. 13 is a cross-sectional view of a novel self-resetting support of a single-placed slit thick-walled steel pipe of the present invention
FIG. 14 is a cross-sectional view of a novel energy dissipating brace of the invention with separately arranged notched thick-walled steel pipes
Reference numerals in the drawings: 1-a first connector; 2-a first outer sleeve; 3-a second outer sleeve; 4-a third outer sleeve; 5-a guide shaft; 6-a second connector; 7-a first cut thick-walled steel pipe; 8-disc spring group 9-second cut thick-wall steel tube; 10-sealing plates; 11-limiting nuts; 12-a first notch thick-wall steel pipe connecting flange; 13-a second cut thick-wall steel pipe connecting flange; 14-a first force transfer nut; 15-a second force transfer nut; 16-a first stop nut; 17-a second stop nut; 18-a third stop nut; 19-fourth stop nuts; 20-a first connecting bolt; 21-a second connecting bolt; 22-a third connecting bolt; 23-fourth connecting bolts; 24-a fifth connecting bolt; 25-sixth connecting bolts, 26-belleville springs and 27-gaskets.
Detailed Description
Example 1
The utility model provides a novel power consumption support of replaceable component formula that utilizes incision thick wall steel pipe power consumption, includes first connecting piece, first outer tube, third outer tube, guiding axle and second connecting piece, first incision thick wall steel pipe, second incision thick wall steel pipe, shrouding, stop nut, first incision thick wall steel pipe flange, second incision thick wall steel pipe flange, third retaining nut, fourth retaining nut, first connecting bolt, second connecting bolt, fourth connecting bolt, fifth connecting bolt and sixth connecting bolt.
The first connecting piece 1 is formed by welding an ear plate I101 and an end plate 102, a round hole 103 is formed in the ear plate I101 and used for pin shaft connection, and bolt holes I104 are uniformly formed in the end plate 102 along the circumferential direction and used for connecting the first connecting piece 1 and the first outer sleeve 2.
The first outer sleeve 2 is formed by combining a first flange 201, a first steel pipe 203, a second flange 204, a second steel pipe 206 and a third flange 207, the inner diameter of the first flange 201 is the same as the outer diameter of the first steel pipe 203, the welding connection is arranged on the left side of the first steel pipe 203, and the bolt holes II 202 are formed along the circumferential direction, the number, the size and the positions of the bolt holes I104 formed in the first connecting piece 1 are completely consistent, the first steel pipe 203 is connected with the first connecting piece 20 through the first connecting bolt 20, the right side of the first steel pipe 203 is welded on the second flange 204, the length of the second flange is required to ensure that the distance between the right end surface of the nut 11 and the left end surface of the second flange 204 is not smaller than the limit deformation of the support when the guide shaft 5 moves rightwards (namely, the support is pressed), the distance between the left end surface of the limit nut 11 and the right end surface of the end plate 102 is also not smaller than the limit deformation of the support, therefore, the length of the first steel pipe 203 is not smaller than the sum of the thicknesses of the limit deformation of the limit nut 11, the second flange 204, the inner diameter of the second flange 204 is larger than the diameter of the guide shaft 5, the diameter of the second flange is equal to 1.5mm, the diameter of the second flange 206 is uniformly welded on the right side of the second steel pipe is formed by welding the second flange 204, the right end surface is equal to the diameter of the second flange 206, and the second flange is welded on the right side of the second flange, and the right end surface is equal to the diameter of the first flange is equal to the diameter, and the diameter of the second flange is 206, and the diameter is equal to the diameter, and the diameter of the first flange is equal to the diameter.
The third outer sleeve 4 is composed of a sixth flange 401, a fourth steel pipe 403, a seventh flange 404 and a fifth steel pipe 406, the inner diameter of the sixth flange 401 is identical to the outer diameter of the fourth steel pipe 403, bolt holes iv 402 are uniformly formed along the circumferential direction, the diameters, the numbers and the arrangement positions of the bolt holes iv 402 are identical to those of the bolt holes iii 208, the inner diameters and the outer diameters of the fourth steel pipe 403 and the fifth steel pipe 406 are identical to those of the first steel pipe 203 and the second steel pipe 206, the seventh flange 404 is identical to the second flange 204, and the diameters, the numbers and the positions of the bolt holes v 405 arranged along the circumferential direction are identical to those of the bolt holes vi 205. The length of the fifth steel pipe 406, which does not bear external load, is preferably 100mm-200mm, and a threaded hole II 407 is formed at the side far away from the seventh flange 404 for installing the fourth connecting bolt 23. The first outer sleeve 2 is formed by combining a first flange 201, a first steel pipe 203, a second flange 204, a second steel pipe 206 and a third flange 207, the inner diameter of the first flange 201 is the same as the outer diameter of the first steel pipe 203, the welding connection is arranged on the left side of the first steel pipe 203, and the bolt holes II 202 are formed along the circumferential direction, the number, the size and the positions of the bolt holes I104 formed in the first connecting piece 1 are completely consistent, the first steel pipe 203 is connected with the first connecting piece 20 through the first connecting bolt 20, the right side of the first steel pipe 203 is welded on the second flange 204, the length of the second flange is required to ensure that the distance between the right end surface of the nut 11 and the left end surface of the second flange 204 is not smaller than the limit deformation of the support when the guide shaft 5 moves rightwards (namely, the support is pressed), the distance between the left end surface of the limit nut 11 and the right end surface of the end plate 102 is also not smaller than the limit deformation of the support, therefore, the length of the first steel pipe 203 is not smaller than the sum of the thicknesses of the limit deformation of the limit nut 11, the second flange 204, the inner diameter of the second flange 204 is larger than the diameter of the guide shaft 5, the diameter of the second flange is equal to 1.5mm, the diameter of the second flange 206 is uniformly welded on the right side of the second steel pipe is formed by welding the second flange 204, the right end surface is equal to the diameter of the second flange 206, and the second flange is welded on the right side of the second flange, and the right end surface is equal to the diameter of the first flange is equal to the diameter, and the diameter of the second flange is 206, and the diameter is equal to the diameter, and the diameter of the first flange is equal to the diameter.
The second outer sleeve 3 is composed of a fourth flange 301, a third steel pipe 303 and a fifth flange 304, the inner diameter of the fourth flange 301 is larger than the outer diameter of the first notched thick-wall steel pipe connecting flange 12, bolt holes VIII 302 are uniformly formed in the circumferential direction, the diameter, the number and the arrangement positions of the bolt holes VIII 302 are completely the same as those of the bolt holes III 208, the inner diameter of the third steel pipe 303 is larger than the outer diameter of the disc spring group 8 by at least 2mm, the length of the third steel pipe is equal to the compressed length of the disc spring group 8, the left side of the third steel pipe is welded on the fourth flange 301, the inner diameter of the fifth flange 304 is welded on the right side of the third steel pipe 303 and is equal to the outer diameter of the third steel pipe 303, and bolt holes IX 305 are uniformly formed in the circumferential direction.
The third outer sleeve 4 is composed of a sixth flange 401, a fourth steel pipe 403, a seventh flange 404 and a fifth steel pipe 406, all sizes of the sixth flange 401 are identical to those of the fourth flange 301, diameters, numbers and positions of the circumferentially arranged bolt holes iv 402 are identical to those of the bolt holes viii 302, inner and outer diameters of the fourth steel pipe 403 and the fifth steel pipe 406 are identical to those of the first steel pipe 203, the second steel pipe 206 and the third steel pipe 303, all sizes of the seventh flange 404 are identical to those of the second flange 204, and diameters, numbers and positions of the circumferentially arranged bolt holes v 405 are identical to those of the bolt holes vi 205. The length of the fifth steel pipe 406, which does not bear external load, is preferably 100mm-200mm, and a threaded hole II 407 is formed at the side far away from the seventh flange 404 for installing the fourth connecting bolt 23.
The guide shaft 5 is made of steel materials such as Q235, Q345, 20#, 45# or 40Cr, and the like, the diameter of the guide shaft 5 is not smaller than the calculated value when the guide shaft 5 yields under the action of a supporting limit load of 1.2 times, namely, the guide shaft 5 does not generate plastic deformation under the action of the supporting limit load of 1.2 times, the length of the guide shaft 5 is not smaller than the sum of the lengths of the first outer sleeve 2 and the third outer sleeve 4 and the depth of the guide shaft 5 extending into the second connecting piece 6, the left end is provided with a left end thread 501 for installing a limit nut 11, the right end is provided with a right end thread 507 for connecting with the second connecting piece 6, the middle part is provided with a left thread 503 and a right thread 505, the left thread 503 is used for installing a first cut thick-wall steel tube 7 and a third stop nut 18, the right thread 505 is used for installing the second cut thick-wall steel pipe 9 and the fourth stop nut 19, the specification sizes of the third stop nut 18 and the fourth stop nut 19 are the same, a thread-free section 504 is arranged between the left thread 503 and the right thread 505, the length of the thread-free section is not greater than the distance from the right end of the third stop nut 18 to the left end of the fourth stop nut 19, the diameter of the thread-free section is the same as the outer diameters of the left thread 503 and the right thread 505, a left thread-free section 502 is arranged between the left thread 501 and the left thread 503, a right thread-free section 506 is arranged between the right thread 505 and the right thread 507, the diameter of the thread-free section 502 is the same as the diameter of the thread-free section 506, and the diameter of the thread-free section is smaller than the inner diameters of the third stop nut 18 and the fourth stop nut 19.
The second connecting piece 6 is formed by welding a connector 601 and an ear plate II 603, a threaded hole I602 is formed in the middle of the connector 601, the threaded hole I602 is matched with threads 507, the pitch and the inner diameter and the outer diameter of the threaded hole I are the same, and the length of the threaded hole I602 is smaller than the thickness of the connector 601 by 10mm-20mm. The middle part of the lug plate II 603 is provided with a round hole II 604 for pin shaft connection, and the diameter of the lug plate II 603 is the same as that of the round hole I103.
The first notch thick-wall steel pipe 7 is made of LYP100, LYP160, Q235, Q345, Q460, 20#, 45# or aluminum alloy round steel or steel pipes, and is a core energy dissipation element, and is characterized in that the first notch thick-wall steel pipe 7 can realize equal strength of pulling and pressing under the action of axial load, can be arranged in pairs or can be independently arranged as the energy dissipation element, comprises a first connecting section 701, an energy dissipation section 702 and a second connecting section 703, wherein the first connecting section 701 is provided with internal threads for fixedly connecting with a guide shaft 5, the second connecting section 703 is provided with external threads for connecting with a first notch thick-wall steel pipe connecting flange 12, the energy dissipation section 702 has an inner diameter larger than 1mm-2mm of the diameter of the guide shaft 5, ensures that the guide shaft 5 can play a constraint role on the guide shaft under the action of axial load, prevents lateral instability, the energy dissipation section 702 is integrally made of a notch formed by cutting the thick-wall steel pipe perpendicular to the axial direction thereof, the circular ring 706 is formed by plastic deformation under the action of axial load, the first power of the radial width and the third power of the axial thickness are in direct proportion to the rigidity of the first notch thick-wall steel pipe 7, the third power of the pitch diameter is in inverse proportion to the rigidity of the first notch thick-wall steel pipe 7, the number of the circular rings 706 is in inverse proportion to the rigidity of the first notch thick-wall steel pipe 7 and in direct proportion to the deformability of the first notch thick-wall steel pipe 7, the rigidity, the bearing capacity and the deformability of the first notch thick-wall steel pipe 7 can be flexibly adjusted by changing the pitch diameter, the axial thickness, the radial width and the number of the circular rings 706, the deformability of the first notch thick-wall steel pipe 7 can be obviously increased by increasing the number of the circular rings, increasing the axial thickness of the circular ring can obviously increase the rigidity and the bearing capacity of the circular ring, such as a notched thick-wall steel pipe which is made of Q235 steel, has a pitch diameter of 111mm, a radial width of the circular ring of 29mm, the axial thickness of the circular ring of 15mm and the number of the circular rings of 8, and has an ultimate bearing capacity of about 160kN and an ultimate deformation of about 80mm.
The inner diameter and the outer diameter of the energy consumption section of the second incision thick-wall steel pipe 9 are identical to those of the first incision thick-wall steel pipe 7, the material strength, the ring pitch diameter, the ring thickness, the ring radial width and the number of the rings of the second incision thick-wall steel pipe 9 can be identical to those of the first incision thick-wall steel pipe 7, and different parameters can be adopted, so that the second incision thick-wall steel pipe 9 has larger rigidity and bearing capacity by increasing the axial thickness of the rings, and the strength of the third outer sleeve 4 is fully utilized.
The sealing plate 10 is not subjected to external load and is used for sealing the right port of the third outer sleeve 4, sundries are prevented from entering the support, the sealing plate is made of common steel and comprises a middle round hole 1001 and bolt holes VII 1002 which are arranged along the circumferential direction, the outer diameter of the sealing plate is identical to that of the first outer sleeve 2, the second outer sleeve 3 and the third outer sleeve 4, the diameter of the round hole 1001 is 0.5mm-1.5mm larger than that of the guide shaft 5, and the bolt holes VII 1002 are uniformly arranged along the circumferential direction and are used for installing fourth connecting bolts 23.
And the limit nut 11 is arranged at the left end of the guide shaft 5 and used for limiting the guide shaft 5 to be pulled out from the support when the first incision thick-wall steel pipe 7 and the second incision thick-wall steel pipe 9 are damaged, so that the guide shaft is a third defense line for the support.
The first notch thick-wall steel pipe connecting flange 12 is in a protruding shape and comprises an internal threaded hole 1201 and bolt holes II 202 which are evenly distributed along the annular direction, the internal threaded hole 1201 is in threaded connection with a first notch thick-wall steel pipe second connecting section 703, and the bolt holes II 202 are used for connecting the first notch thick-wall steel pipe connecting flange 12 with the first outer sleeve 2 through a fifth connecting bolt 24.
The second slit thick-walled steel pipe connecting flange 13 has the same dimensions as the first slit thick-walled steel pipe connecting flange 12.
The third retaining nut 18 is installed on the right side of the first cut thick-walled steel pipe 7, and is used for preventing the first cut thick-walled steel pipe 7 from being displaced relative to the guide shaft 5 under the load.
The fourth stop nut 19 is mounted on the left side of the second notched thick-walled steel pipe 9, and is used for preventing the second notched thick-walled steel pipe 9 from being displaced relative to the guide shaft 5 under load.
The first connecting bolts 20 are used for fixing the first connecting piece 1 and the first outer sleeve 2, and the number and the diameter of the first connecting bolts are determined according to the supporting design bearing capacity.
The second connecting bolt 21 is used for fixing the first outer sleeve 2 and the third outer sleeve 4.
The fourth connecting bolt 23 is used for fixing the sealing plate 10 and the third outer sleeve 4.
The fifth connecting bolts 24 are used for fixing the first cut thick-wall steel pipe connecting flange 12 and the first outer sleeve 2.
The sixth connecting bolt 25 is used for fixing the second cut thick-wall steel pipe connecting flange 13 and the third outer sleeve 4.
The installation and use method comprises the following steps:
1. the third retaining nut 18 and the fourth retaining nut 19 are respectively screwed into the middle part of the guide shaft 5 from the left end and the right end;
2. marking the mounting positioning lines of the first cut thick-wall steel pipe 7 and the second cut thick-wall steel pipe 9 on the guide shaft 5, wherein the distance between the mounting positioning line of the first cut thick-wall steel pipe 7 and the left end of the guide shaft 5 is the sum of the thickness of the limit nut 11, the thickness of the second flange 204, the length of the first cut thick-wall steel pipe 7 and the supporting limit deformation, and the distance between the mounting positioning line of the second cut thick-wall steel pipe 9 and the right end of the guide shaft 5 is the sum of the depth of the guide shaft 5 extending into the second connecting piece 6, the supporting limit deformation, the thickness of the sealing plate 10, the length of the fifth steel pipe 406 and the thickness of the seventh flange 404;
3. screwing the first cut thick-wall steel tube 7 from the left end of the guide shaft 5 so that the left end of the first cut thick-wall steel tube coincides with the installation positioning line of the first cut thick-wall steel tube 7, and screwing the second cut thick-wall steel tube 9 from the right end of the guide shaft so that the right end coincides with the installation positioning line of the second cut thick-wall steel tube 9;
4. A third stop nut 18 and a fourth stop nut 19 are respectively screwed and locked to the right end of the first cut thick-wall steel pipe 7 and the left end of the second cut thick-wall steel pipe 9;
5. installing a first cut thick-wall steel pipe connecting flange 12 and a second cut thick-wall steel pipe connecting flange 13;
6. sleeving the first outer sleeve 2 from the left end of the guide shaft, enabling the right end of the second flange 204 to be in contact with the left end of the first notched thick-wall steel pipe connecting flange 12, and installing a fifth connecting bolt 24;
7. installing a limit nut 11;
8. sleeving a third outer sleeve 4 from the right end of the guide shaft 5, and installing a second connecting bolt 21;
9. installing a sixth connecting bolt 25;
10. sleeving the sealing plate 10 from the right end of the guide shaft 5, and installing a fourth connecting bolt 23;
11. mounting a first connecting piece 1 and a second connecting piece 6;
12. after the effect of a large earthquake, only the energy-consuming parts in the novel energy-consuming support can be replaced without integral replacement, the novel energy-consuming support is removed from the building installation part, then the novel energy-consuming support is detached according to the reverse sequence of the assembly of the novel energy-consuming support, the first notched thick-wall steel pipe 7 and the second notched thick-wall steel pipe 9 are replaced and then are reassembled, and the use function of the novel energy-consuming support can be restored.
Example 2
The utility model provides a utilize novel self-resetting support of interchangeable part formula of incision thick wall steel pipe power consumption, including first connecting piece, first outer tube, second outer tube, third outer tube, guiding axle, second connecting piece, first incision thick wall steel pipe, belleville spring group, second incision thick wall steel pipe, shrouding, spacer nut, first biography power nut, second biography power nut, first stopping nut, second stopping nut, third stopping nut, fourth stopping nut, first connecting bolt, second connecting bolt, third connecting bolt, fourth connecting bolt, fifth connecting bolt and sixth connecting bolt.
The first connecting piece 1 is formed by welding an ear plate I101 and an end plate 102, a round hole I103 is formed in the ear plate I101 and used for pin shaft connection, and bolt holes I104 are uniformly formed in the end plate 102 along the circumferential direction and used for connecting the first connecting piece and a first outer sleeve.
The first outer sleeve 2 is formed by combining a first flange 201, a first steel pipe 203, a second flange 204, a second steel pipe 206 and a third flange 207, the inner diameter of the first flange 201 is the same as the outer diameter of the first steel pipe 203, the welding connection is arranged on the left side of the first steel pipe 203, and the bolt holes II 202 are formed along the circumferential direction, the number, the size and the positions of the bolt holes I104 formed in the first connecting piece 1 are completely consistent, the bolt holes II 202 are connected with the first connecting piece 1 through the first connecting bolt 18, the right side of the first steel pipe 203 is welded on the second flange 204, the length of the first steel pipe is ensured to ensure that the distance between the right end surface of the nut 11 and the left end surface of the second flange 204 is not smaller than the limit deformation of the support when the guide shaft 5 moves rightwards (namely the support is pulled), the distance between the left end surface of the guide shaft 5 and the right end surface of the second flange 204 is not smaller than the limit deformation of the support, so that the distance between the left end surface of the limit nut 11 and the right end surface of the end plate 102 is not smaller than the limit deformation of the support, the length of the first steel pipe 203 is not smaller than the sum of thicknesses of the limit deformation of the limit nuts 11, the second flange 204 is formed along the circumferential direction, the inner diameter of the second flange 204 is larger than the diameter of the guide shaft 5 and is equal to 1.5mm, the diameter of the second flange 206 is uniformly welded on the right side of the second steel pipe 206, the second flange 206 is formed along the inner diameter of the second steel pipe is equal to the diameter of the limit deformation, and the right end surface is equal to the diameter of the limit deformation is equal to the limit deformation of the second flange, and the right end surface is welded on the diameter of the right end is, and the end surface is equal to the diameter of the flange is.
The second outer sleeve 3 is composed of a fourth flange 301, a third steel pipe 303 and a fifth flange 304, the inner diameter of the fourth flange 301 is larger than the outer diameter of the first notched thick-wall steel pipe connecting flange 12, bolt holes VIII 302 are uniformly formed in the circumferential direction, the diameter, the number and the arrangement positions of the bolt holes VIII 302 are completely the same as those of the bolt holes III 208, the inner diameter of the third steel pipe 303 is larger than the outer diameter of the disc spring group 8 by at least 2mm, the length of the third steel pipe is equal to the compressed length of the disc spring group 8, the left side of the third steel pipe is welded on the fourth flange 301, the inner diameter of the fifth flange 304 is welded on the right side of the third steel pipe 303 and is equal to the outer diameter of the third steel pipe 303, and bolt holes IX 305 are uniformly formed in the circumferential direction.
The third outer sleeve 4 is composed of a sixth flange 401, a fourth steel pipe 403, a seventh flange 404 and a fifth steel pipe 406, all dimensions of the sixth flange 401 are identical to those of the fourth flange 301, diameters, numbers and positions of circumferentially arranged bolt holes iv 402 are identical to those of the bolt holes viii 302, inner and outer diameters of the fourth steel pipe 403 and the fifth steel pipe 405 are identical to those of the first steel pipe 203, the second steel pipe 206 and the third steel pipe 303, all dimensions of the seventh flange 404 are identical to those of the second flange 204, and diameters, numbers and positions of circumferentially arranged bolt holes v 405 are identical to those of the bolt holes vi 205. The length of the fifth steel pipe 406, which does not bear external load, is preferably 100mm-200mm, and a threaded hole II 407 is formed at the side far away from the seventh flange 404 for installing the fourth connecting bolt 23.
The guide shaft 5 is made of Q235, Q345, 20#, 45# or 40Cr steel, the guide shaft 5 is subjected to straightening treatment during processing, the minimum outer diameter of the guide shaft 5 is not smaller than a calculated value when the guide shaft 5 is yielded under the action of a supporting limit load which is 1.2 times, namely, plastic deformation is not generated under the action of the supporting limit load which is 1.2 times, the length of the guide shaft is not smaller than the sum of the lengths of the first outer sleeve 2, the second outer sleeve 3 and the third outer sleeve 4 plus the depth of the guide shaft 5 extending into the second connecting piece 6, the left end is provided with a thread 501 for installing a limit nut 11, the right end is provided with a thread 507 for connecting with the second connecting piece 6, the middle part is provided with a thread 503 and a thread 505, the outer diameter of the thread 503 and the thread 505 is smaller than the inner diameter of the disc spring group 8 by 1mm-2mm, the thread 503 is connected with a first force transmission nut 14 and a first stop nut 16, the screw thread 505 is connected with a second force transmission nut 15 and a second stop nut 17, which are used for keeping the initial pre-compression force of the belleville spring group 8, the sizes and specifications of the first force transmission nut 14 and the second force transmission nut 15 are identical, the sizes and specifications of the first stop nut 16 and the second stop nut 17 are identical, the inner diameters and screw pitches of the first force transmission nut 14, the second force transmission nut 15, the first stop nut 16 and the second stop nut 17 are identical, a non-threaded section 504 is arranged between the screw thread 503 and the screw thread 505, the length of the non-threaded section 504 is smaller than the pre-compressed length of the belleville spring group 8, the diameter of the non-threaded section is identical to the outer diameters of the screw thread 503 and the screw thread 505, a non-threaded section 502 is arranged between the screw thread 501 and the screw thread 503, a non-threaded section 506 is arranged between the screw thread 505 and the screw thread 507, the non-threaded section 502 is identical in diameter, and the diameter of the non-threaded section 506 is smaller than the first force transmission nut 14, the second force transmission nut 15, the non-threaded section, the inner diameters of the first stop nut 16 and the second stop nut 17.
The second connecting piece 6 is formed by welding a connector 601 and an ear plate II 603, a threaded hole I602 is formed in the middle of the connector 601, the threaded hole I602 is matched with threads 507, the pitch and the inner diameter and the outer diameter of the threaded hole I are the same, and the length of the threaded hole I602 is smaller than the thickness of the connector 601 by 10mm-20mm. The middle part of the lug plate II 603 is provided with a round hole II 604 for pin shaft connection, and the diameter of the lug plate II 603 is the same as that of the round hole I103.
The first notch thick-wall steel pipe 7 is made of LYP100, LYP160, Q235, Q345, Q460, 20#, 45# or aluminum alloy round steel or steel pipes, and is a core energy dissipation element, and is characterized in that the first notch thick-wall steel pipe 7 can realize equal strength of pulling and pressing under the action of axial load, can be arranged in pairs or can be independently arranged as the energy dissipation element, comprises a first connecting section 701, an energy dissipation section 702 and a second connecting section 703, wherein the first connecting section 701 is provided with internal threads for fixedly connecting with a guide shaft 5, the second connecting section 703 is provided with external threads for connecting with a first notch thick-wall steel pipe connecting flange 12, the energy dissipation section 702 has an inner diameter larger than 1mm-2mm of the diameter of the guide shaft 5, ensures that the guide shaft 5 can play a constraint role on the guide shaft under the action of axial load, prevents lateral instability, the energy dissipation section 702 is integrally made of a notch formed by cutting the thick-wall steel pipe perpendicular to the axial direction thereof, the circular ring 706 is formed by plastic deformation under the action of axial load, the first power of the radial width and the third power of the axial thickness are in direct proportion to the rigidity of the first notch thick-wall steel pipe 7, the third power of the pitch diameter is in inverse proportion to the rigidity of the first notch thick-wall steel pipe 7, the number of the circular rings 706 is in inverse proportion to the rigidity of the first notch thick-wall steel pipe 7 and in direct proportion to the deformability of the first notch thick-wall steel pipe 7, the rigidity, the bearing capacity and the deformability of the first notch thick-wall steel pipe 7 can be flexibly adjusted by changing the pitch diameter, the axial thickness, the radial width and the number of the circular rings 706, the deformability of the first notch thick-wall steel pipe 7 can be obviously increased by increasing the number of the circular rings, increasing the axial thickness of the circular ring can obviously increase the rigidity and the bearing capacity of the circular ring, such as a notched thick-wall steel pipe which is made of Q235 steel, has a pitch diameter of 111mm, a radial width of the circular ring of 29mm, the axial thickness of the circular ring of 15mm and the number of the circular rings of 8, and has an ultimate bearing capacity of about 160kN and an ultimate deformation of about 80mm.
The disc spring group 8 is composed of disc springs 26 and gaskets 27, the combination mode of the disc springs 26 is preferably a involution combination mode or a compound combination mode, the gaskets 27 are respectively arranged at the left end and the right end of the disc spring group 8 at least, when the total height of the disc springs 26 after combination is more than 3 times of the outer diameter of the disc springs, one gasket is preferably arranged at the middle part, the thickness of the gaskets 27 is preferably at least 5mm larger than that of the disc springs 26, and the initial pre-compression force of the disc spring group 8 is preferably larger than twice of the sum of yield loads of the first cut thick-wall steel pipe 7 and the second cut thick-wall steel pipe 9, so that the support has flag hysteresis curves, and residual displacement can be eliminated.
The inner diameter and the outer diameter of the energy consumption section of the second cut thick-wall steel pipe 9 are identical to those of the first cut thick-wall steel pipe 7, the material strength, the ring pitch diameter, the ring thickness, the radial width of the ring and the number of the rings can be identical to those of the first cut thick-wall steel pipe 7, different parameters can be adopted, the second cut thick-wall steel pipe 9 has larger rigidity and bearing capacity by increasing the ring thickness, so that the strength of the third outer sleeve 4 is fully utilized, the stress of the third outer sleeve 4 in all the outer sleeves is minimum, and the stress of the outer sleeves is sequentially reduced from left to right.
The sealing plate 10 is not subjected to external load and is used for sealing the right port of the third outer sleeve 4, sundries are prevented from entering the support, the sealing plate is made of common steel and comprises a middle round hole 1001 and bolt holes VII 1002 which are arranged along the circumferential direction, the outer diameter of the sealing plate is identical to that of the first outer sleeve 2, the second outer sleeve 3 and the third outer sleeve 4, the diameter of the middle round hole 1001 is 0.5mm-1.5mm larger than that of the guide shaft 5, and the bolt holes VII 1002 are uniformly arranged along the circumferential direction and are used for installing fourth connecting bolts 23.
And the limit nut 11 is arranged at the left end of the guide shaft 5 and used for limiting the guide shaft 5 to be pulled out from the support when the first incision thick-wall steel pipe 7 and the second incision thick-wall steel pipe 9 are damaged, so that the guide shaft is a third defense line for the support.
The first notch thick-wall steel pipe connecting flange 12 is in a protruding shape and comprises an internal threaded hole 1201 and bolt holes II 202 which are evenly distributed along the annular direction, the internal threaded hole 1201 is in threaded connection with a first notch thick-wall steel pipe second connecting section 703, and the bolt holes II 202 are used for connecting the first notch thick-wall steel pipe connecting flange 12 with the first outer sleeve 2 through a fifth connecting bolt 24.
The second slit thick-walled steel pipe connecting flange 13 has the same dimensions as the first slit thick-walled steel pipe connecting flange 12.
The outer diameter of the first force transmission nut 14 is smaller than the diameter of the circumcircle of the fourth flange 301, the first force transmission nut is arranged on the guide shaft 5 and is positioned at the left side of the belleville spring group 8, and the right end of the first force transmission nut is flush with the right end of the fourth flange 301.
The second force transmission nut 15 has the same size as the first force transmission nut 14, and is symmetrically arranged on the right side of the belleville spring group 8.
The first retaining nut 16 is installed on the left side of the first force transmission nut 14, and is used for preventing the first force transmission nut 14 from loosening under the load.
The second retaining nut 17 is installed on the right side of the second force transmission nut 15, and is used for preventing the second force transmission nut 15 from loosening under the load.
The third retaining nut 18 is installed on the right side of the first cut thick-walled steel pipe 7, and is used for preventing the first cut thick-walled steel pipe 7 from being displaced relative to the guide shaft 5 under the load.
The fourth stop nut 19 is mounted on the left side of the second notched thick-walled steel pipe 9, and is used for preventing the second notched thick-walled steel pipe 9 from being displaced relative to the guide shaft 5 under load.
The first connecting bolts 20 are used for fixing the first connecting piece 1 and the first outer sleeve 2, and the number and the diameter of the first connecting bolts are determined according to the supporting design bearing capacity.
The second connecting bolt 21 is used for fixing the first outer sleeve 2 and the second outer sleeve 3.
The third connecting bolt 22 is used for fixing the second outer sleeve 3 and the third outer sleeve 4.
The fourth connecting bolt 23 is used for fixing the sealing plate 10 and the third outer sleeve 4.
The fifth connecting bolt 24 is used for fixing the first cut thick-wall steel tube 7 and the first outer sleeve 2.
The sixth connecting bolt 25 is used for fixing the second cut thick-wall steel tube 9 and the third outer sleeve 4
The installation and use method comprises the following steps:
1. pre-pressing the disc spring group 8 to a designed pre-pressure and retaining the pre-pressure by a pre-pressure retaining device;
2. marking the installation positioning line of the disc spring group 8 on the guide shaft 5, wherein the distance between the installation positioning line of the disc spring group 8 and the left end of the guide shaft 5 is the sum of the length of the first outer sleeve 2 and the thickness of the fourth flange 301, and subtracting the limit deformation of the support;
3. penetrating the disc spring group 8 into the guide shaft 5, enabling the left end of the disc spring group 8 to coincide with the installation positioning line of the disc spring group, installing a first force transmission nut 14 and a second force transmission nut 15, and converting the pre-compression of the disc spring group 8 from the pre-compression holding device to the guide shaft 5, the first force transmission nut 14 and the second force transmission nut 15;
4. A first stop nut 16 and a second stop nut 17 are respectively arranged at two ends of the guide shaft 5;
5. a third stop nut 18 and a fourth stop nut 19 are installed;
6. marking the mounting positioning lines of the first cut thick-wall steel pipe 7 and the second cut thick-wall steel pipe 9 on the guide shaft 5, wherein the distance between the mounting positioning line of the first cut thick-wall steel pipe 7 and the left end of the guide shaft 5 is the sum of the thickness of the limit nut 11, the thickness of the second flange 204, the length of the first cut thick-wall steel pipe 7 and the supporting limit deformation, and the distance between the mounting positioning line of the second cut thick-wall steel pipe 9 and the right end of the guide shaft 5 is the sum of the depth of the guide shaft 5 extending into the second connecting piece 6, the supporting limit deformation, the thickness of the sealing plate 10, the length of the fifth steel pipe 406 and the thickness of the seventh flange 404;
7. screwing the first cut thick-wall steel tube 7 from the left end of the guide shaft 5 so that the left end of the first cut thick-wall steel tube coincides with the installation positioning line of the first cut thick-wall steel tube 7, and screwing the second cut thick-wall steel tube 9 from the right end of the guide shaft so that the right end coincides with the installation positioning line of the second cut thick-wall steel tube 9;
8. a third stop nut 18 and a fourth stop nut 19 are respectively screwed and locked to the right end of the first cut thick-wall steel pipe 7 and the left end of the second cut thick-wall steel pipe 9;
9. A first cut thick-wall steel pipe connecting flange 12 is arranged at the left end of the first cut thick-wall steel pipe 7, and a second cut thick-wall steel pipe connecting flange 13 is arranged at the right end of the second cut thick-wall steel pipe 9;
10. the second outer sleeve 3 is sleeved from the left end of the guide shaft 5 until the fourth flange 301 contacts the belleville spring group 8;
11. sleeving a third outer sleeve 4 from the right end of the guide shaft, and then fastening a third connecting bolt 22;
12. the first outer sleeve 2 is sleeved from the left end of the guide shaft 5, and the second connecting bolt 21 is fastened;
13. the sixth connecting bolt 25 passes through the bolt hole V405 and is screwed into the second notched thick-wall steel pipe connecting flange 13 to be fixed, the fifth connecting bolt 24 passes through the bolt hole VI 205 and is screwed into the bolt hole II 202 of the first notched thick-wall steel pipe connecting flange 12 to be fixed;
14. installing a limit nut 11;
15. sleeving the sealing plate 10 from the right end of the guide shaft 5 into the hole site and installing a fourth connecting bolt 23;
16. installing the first connecting piece 1, fastening the first connecting bolt 20, and screwing the second connecting piece 6 into the guide shaft 5 from the right end;
17. after the earthquake action, only the energy consumption components in the self-resetting support can be replaced without integrally replacing the self-resetting support, the self-resetting support is firstly removed from the building installation part, then the self-resetting support is detached according to the reverse sequence of the self-resetting support assembly, and the self-resetting support can be recovered by reassembling after replacing the first cut thick-wall steel pipe 7 and the second cut thick-wall steel pipe 9.
In addition, the following separate descriptions are needed: the reset system and the energy consumption system are integrated, the damper is simplified in structure and reduced in length; the disc spring system is always pressed, and the damper is pulled and pressed to be equal in strength; the device has the characteristics of detachability and replaceability, only needs to replace the friction plate after earthquake, saves materials, has high maintenance speed and can be reused.

Claims (8)

1. The replaceable component type energy dissipation support is characterized by comprising a first connecting piece (1), a first outer sleeve (2), a guide shaft (5) and a second connecting piece (6), a first notch thick-wall steel pipe (7), a sealing plate (10), a limiting nut (11), a first notch thick-wall steel pipe connecting flange (12), a third retaining nut (18), a first connecting bolt (20) and a fifth connecting bolt (24); one end of the first outer sleeve (2) is connected with the first connecting piece (1);
a fixed connecting disc is arranged in the first outer sleeve (2), penetrates into the guide shaft (5) and is connected with the guide shaft (5) through a first incision thick-wall steel pipe connecting flange (12), a second connecting piece (6) is arranged at one end of the guide shaft (5), a connecting limit nut (11) is arranged at the other end of the guide shaft (5), and the limit nut (11) is blocked at one side of the fixed connecting disc; the guide shaft (5) is sleeved with a first notch thick-wall steel pipe (7), one end of the first notch thick-wall steel pipe (7) is blocked at the other side of the fixed connecting disc, and the other end of the first notch thick-wall steel pipe (7) is blocked by a third stop nut (18);
The novel energy-saving self-resetting support comprises a first outer sleeve (3), wherein the first outer sleeve (3) is internally provided with a connecting disc, the second outer sleeve (3) is spliced with a first outer sleeve (2), a guide shaft (5) penetrates through the first outer sleeve (3), a disc spring (26) or a disc spring group (8) is sleeved on the guide shaft (5), and two ends of the disc spring (26) or the disc spring group (8) are respectively clamped between the connecting discs of the adjacent sleeves.
2. The replaceable component type self-resetting support according to claim 1, wherein the disc springs (26) or the disc spring groups (8) are provided with a first notched thick-wall steel tube (7) and a second notched thick-wall steel tube (9) on both sides.
3. The replaceable component type self-resetting support is characterized in that a plurality of groups of notches are formed in the first notch thick-wall steel pipe (7) and the second notch thick-wall steel pipe (9) in a staggered mode; the utility model discloses a steel pipe with high-speed and high-speed cutting, including first incision thick wall steel pipe (7) or second incision thick wall steel pipe (9), first linkage segment (701), power consumption section (702) and second linkage segment (703) divide into, first linkage segment (701) are equipped with the internal thread for with guiding axle (5) fixed connection, second linkage segment (703) are equipped with the external screw thread for be connected with first incision thick wall steel pipe flange (12), power consumption section (702), its internal diameter is greater than the diameter 1mm-2mm of guiding axle (5), the length of second incision thick wall steel pipe (9) is greater than or equal to the length of first incision thick wall steel pipe (7).
4. The replaceable component type self-resetting support according to claim 1, wherein a left end thread (501) is arranged at the left end of the guide shaft (5) and used for installing a limit nut (11), a right end thread (507) is arranged at the right end of the guide shaft and used for being connected with a second connecting piece (6), a left thread (503) and a right thread (505) are arranged at the middle part of the guide shaft, the left thread (503) is used for installing a first cut thick-wall steel pipe (7) and a third stop nut (18), the right thread (505) is used for installing a second cut thick-wall steel pipe (9) and a fourth stop nut (19), the specification sizes of the third stop nut (18) and the fourth stop nut (19) are the same, a thread-free section (504) is arranged between the left thread (503) and the right thread (505), a thread-free section (502) is arranged between the left thread (501) and the left thread (503), and a thread-free section (506) is arranged between the right thread (505) and the right thread (507); the first connecting piece (1) is formed by welding an ear plate I (101) and an end plate (102), a round hole I (103) is formed in the ear plate I (101) and used for pin shaft connection, and bolt holes I (104) are uniformly formed in the end plate (102) along the circumferential direction and used for connecting the first connecting piece and a first outer sleeve; the second connecting piece (6) is formed by welding a connector (601) and an ear plate II (603), a threaded hole I (602) is formed in the middle of the connector (601), the threaded hole I (602) is connected with a right end thread (507) in a matched mode, a round hole II (604) is formed in the middle of the ear plate II (603) and used for pin shaft connection, and the diameter of the round hole II is identical to that of the round hole I (103).
5. The replaceable component type self-resetting support according to claim 1, wherein the first outer sleeve (2) is formed by combining a first flange (201), a first steel pipe (203), a second flange (204), a second steel pipe (206) and a third flange (207), the inner diameter of the first flange (201) is the same as the outer diameter of the first steel pipe (203), the first flange is fixedly connected to the left side of the first steel pipe (203) and is provided with a bolt hole II (202) along the circumferential direction, the bolt hole II (202) corresponds to a bolt hole I (104) arranged on the first connecting piece (1), the first steel pipe (203) is connected through a first connecting bolt (20), the right side of the first steel pipe (203) is fixedly connected to a second flange (204), the second flange (204) is uniformly provided with a bolt hole VI (205) along a central matrix, the left side of the second steel pipe (206) is fixedly connected to the second flange (204), the inner diameter of the second steel pipe is the same as the first steel pipe (203), the third flange (207) is in a circular ring shape, the inner diameter of the second flange (206) is the same as the second steel pipe (203), and the second flange (206) is uniformly welded to the outer diameter of the second flange (208);
the third outer sleeve (4) consists of a sixth flange (401), a fourth steel pipe (403), a seventh flange (404) and a fifth steel pipe (406), wherein the inner diameter of the sixth flange (401) is the same as the outer diameter of the fourth steel pipe (403), bolt holes IV (402) are uniformly formed along the circumferential direction, the bolt holes IV (402) correspond to the bolt holes III (208), the inner diameter and the outer diameter of the fourth steel pipe (403) and the outer diameter of the fifth steel pipe (406) are the same as those of the first steel pipe (203) and the second steel pipe (206), the size of the seventh flange (404) are the same as those of the second flange (204), and the diameters, the numbers and the positions of the bolt holes V (405) arranged along the circumferential direction are the same as those of the bolt holes VI (205); the length of the fifth steel pipe (406) is preferably 100-200 mm, and a threaded hole II (407) is formed in one side, far away from the seventh flange (404), for installing a fourth connecting bolt (23).
6. The replaceable component type self-resetting support is characterized in that the sealing plate (10) comprises a middle round hole (1001) and bolt holes VII (1002) which are arranged along the circumferential direction, the right port of the third outer sleeve (4) is plugged, and the bolt holes VII (1002) are uniformly arranged along the circumferential direction and are used for installing fourth connecting bolts (23); the guide shaft is characterized by further comprising a limit nut (11), a second notched thick-wall steel pipe connecting flange (13), a fourth retaining nut (19), a second connecting bolt (21) and a sixth connecting bolt (25), wherein the limit nut (11) is positioned at the left end of the guide shaft (5);
the first notch thick-wall steel pipe connecting flange (12) comprises an internal threaded hole (1201) and threaded holes III (1202) which are uniformly distributed along the circumferential direction, wherein the internal threaded hole (1201) is in threaded connection with a second connecting section (703) of the first notch thick-wall steel pipe, and the threaded holes III (1202) are used for connecting the first notch thick-wall steel pipe connecting flange (12) and the first outer sleeve (2) together through a fifth connecting bolt (24);
the second incision thick-wall steel pipe connecting flange (13) has the same size as the first incision thick-wall steel pipe connecting flange (12); the third stop nut (18) is arranged on the right side of the first cut thick-wall steel pipe (7), and the fourth stop nut (19) is arranged on the left side of the second cut thick-wall steel pipe (9);
The first connecting bolt (20) is used for fixing the first connecting piece (1) and the first outer sleeve (2), and the second connecting bolt (21) is used for fixing the first outer sleeve (2) and the second outer sleeve (3) or the third outer sleeve (4); the fourth connecting bolt (23) is used for fixing the sealing plate (10) and the third outer sleeve (4); the fifth connecting bolt (24) is used for fixing the first cut thick-wall steel pipe connecting flange (12) and the first outer sleeve (2); and the sixth connecting bolt (25) is used for fixing the second cut thick-wall steel pipe connecting flange (13) and the third outer sleeve (4).
7. A replaceable component self-resetting support as claimed in claim 1, characterized in that the first outer sleeve (2) and the third outer sleeve (4) are provided with sealing plates (10).
8. The method of using a replaceable component type self-resetting support as recited in claim 6, further comprising the steps of
S1, pre-pressing a disc spring (26) or a disc spring group (8) to a designed pre-pressure and maintaining the pre-pressure through a pre-pressure maintaining device;
s2, marking an installation positioning line of the disc spring group (8) on the guide shaft (5), wherein the distance between the installation positioning line of the disc spring group (8) and the left end of the guide shaft (5) is the sum of the length of the first outer sleeve (2) and the thickness of the fourth flange (301), and subtracting the limit deformation of the support;
S3, penetrating the disc spring group (8) into the guide shaft (5), enabling the left end of the disc spring group (8) to coincide with an installation positioning line of the disc spring group, then installing a first force transmission nut (14) and a second force transmission nut (15), and converting the pre-compression force of the disc spring group (8) from a pre-compression force retaining device to the guide shaft (5), the first force transmission nut (14) and the second force transmission nut (15);
s4, installing a first stop nut (16) and a second stop nut (17) from two ends of the guide shaft (5) respectively;
s5, installing a third stop nut (18) and a fourth stop nut (19);
s6, marking mounting positioning lines of a first cut thick-wall steel pipe (7) and a second cut thick-wall steel pipe (9) on the guide shaft (5), wherein the distance between the mounting positioning lines of the first cut thick-wall steel pipe (7) and the left end of the guide shaft (5) is the sum of the thickness of a limit nut (11), the thickness of a second flange (204), the length of the first cut thick-wall steel pipe (7) and the support limit deformation, and the distance between the mounting positioning lines of the second cut thick-wall steel pipe (9) and the right end of the guide shaft (5) is the sum of the depth of the guide shaft (5) extending into a second connecting piece (6), the limit deformation of the support, the thickness of a sealing plate (10), the length of a fifth steel pipe (406) and the thickness of a seventh flange (404);
S7, screwing the first cut thick-wall steel tube (7) from the left end of the guide shaft (5) to enable the left end of the first cut thick-wall steel tube to be overlapped with the installation positioning line of the first cut thick-wall steel tube (7), screwing the second cut thick-wall steel tube (9) from the right end of the guide shaft to enable the right end of the second cut thick-wall steel tube to be overlapped with the installation positioning line of the second cut thick-wall steel tube (9);
s8, screwing a third stop nut (18) and a fourth stop nut (19) to the right end of the first cut thick-wall steel pipe (7) and the left end of the second cut thick-wall steel pipe (9) respectively, and locking;
s9, mounting a first notch thick-wall steel pipe connecting flange (12) at the left end of the first notch thick-wall steel pipe (7), and mounting a second notch thick-wall steel pipe connecting flange (13) at the right end of the second notch thick-wall steel pipe (9);
s10, sleeving the second outer sleeve (3) from the left end of the guide shaft (5) until the fourth flange (301) is contacted with the disc spring group (8);
s11, sleeving the third outer sleeve (4) from the right end of the guide shaft, and then fastening a third connecting bolt (22);
s12, sleeving the first outer sleeve (2) from the left end of the guide shaft (5), and fastening the second connecting bolt (21);
s13, a sixth connecting bolt (25) passes through the bolt hole V (405) and is screwed into the second notch thick-wall steel pipe connecting flange (13) to be fixed, a fifth connecting bolt (24) passes through the bolt hole VI (205) and is screwed into the threaded hole III (1202) of the first notch thick-wall steel pipe connecting flange (12) to be fixed;
S14, installing a limit nut (11);
s15, sleeving the sealing plate (10) from the right end of the guide shaft (5) into the hole and aligning the sealing plate with the hole, and installing a fourth connecting bolt (23);
s16, installing a first connecting piece (1), fastening a first connecting bolt (20), and screwing a second connecting piece (6) into the guide shaft (5) from the right end;
and S17, during replacement and maintenance, only the energy consumption components in the self-resetting support are replaced without integrally replacing the self-resetting support, wherein the replacement method is to remove the self-resetting support from a building or bridge structure, then detach the self-resetting support according to the reverse order of the self-resetting support assembly, and reassemble the first cut thick-wall steel pipe (7) and the second cut thick-wall steel pipe (9).
CN202210720603.3A 2022-06-24 2022-06-24 Replaceable component type energy consumption support, self-resetting support and use method thereof Active CN114961013B (en)

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