CN107313510B - Combined steel structure device - Google Patents
Combined steel structure device Download PDFInfo
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- CN107313510B CN107313510B CN201710557819.1A CN201710557819A CN107313510B CN 107313510 B CN107313510 B CN 107313510B CN 201710557819 A CN201710557819 A CN 201710557819A CN 107313510 B CN107313510 B CN 107313510B
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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- 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
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- 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
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- 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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- 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
- E04H9/024—Structures with steel columns and beams
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a combined steel structure device which comprises a base, an H-shaped steel structure and a T-shaped steel structure, wherein the bottom of the base is connected with a shock absorber; the shock absorber comprises a seat plate, a seat cylinder and a supporting piece, and the seat plate is tightly abutted to the base; the seat cylinder comprises a cylinder body part and an upper extension part which is integrally formed with the cylinder body part, the support part is of a sleeve body structure, and the upper extension part extends into the support part; the shock absorber also comprises a first supporting spring which is supported and arranged on the barrel body part and forms a support for the supporting part and a second supporting spring which is supported and arranged on the upper extending part and forms a support for the inner bottom of the supporting part; the shock absorber also comprises a torsion damping mechanism arranged in the cylinder body part, a linkage rod is integrally formed in the supporting part, the linkage rod extends into the cylinder body part from the upper extension part and is in transmission fit with a power input end of the torsion damping mechanism to form a screw rod sliding block mechanism for converting the vertical vibration of the supporting part into rotary motion; the steel framework has high shock resistance, can cope with the shock condition in reality, and enhances the stability of the steel framework.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a combined steel structure device.
Background
At present, steel structures are integrated with houses and bridges in the aspects of building fast, efficient, energy-saving, safe and comfortable, and particularly have excellent anti-seismic performance, so that the steel structures become the inevitable development trend of the house and bridge building industry; however, at present, steel structure houses are still in the development and improvement stage, and the traditional steel structures are mainly divided into common steel structures, namely an E steel column and an W, Z steel column, thin-wall ultra-light steel, and rectangular steel developed in recent years; the three traditional methods have various defects in corrosion resistance, service life, field installation and scientific rationality in use, such as wide and thick wall body with a common steel structure, poor corrosion resistance, difficulty in treatment of expansion with heat and contraction with cold and difficulty in solving cold and hot bridges; the thin-wall ultra-light steel has poor strength, easy creep and complex process; the service life of the inner wall of the rectangular steel is short, the construction limitation is large, and the corrosion resistance is difficult.
Based on this, CN 203891241U discloses a combined steel constructs, which comprises a base, H-shaped steel constructs and T-shaped steel constructs, H-shaped steel constructs and installs on the base, H-shaped steel constructs by first support steel column, second support steel column and third support steel column are constituteed, third support steel column one end links to each other with first support steel column, the other end links to each other with second support steel column, T-shaped steel constructs and installs on third support steel column, all be equipped with damping spring on first support steel column and the second support steel column, be equipped with the strengthening rib in the third support steel column, be equipped with the shock absorber in the base, all be equipped with the locating hole on first support steel column and the second support steel column, third support steel column both ends all are equipped with the fixing device with locating hole matched with. However, the shock absorbing structure formed by the shock absorbing spring and the shock absorber cannot fully cope with the shock occurring in reality, and the shock resistance of the combined steel structure device needs to be improved.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a combined steel structure device having high shock resistance, capable of coping with a shock situation occurring in reality, and enhancing stability of a steel framework.
The combined steel structure device comprises a base, an H-shaped steel structure and a T-shaped steel structure, wherein the H-shaped steel structure is installed on the base and consists of a first supporting steel column, a second supporting steel column and a third supporting steel column, one end of the third supporting steel column is connected with the first supporting steel column, the other end of the third supporting steel column is connected with the second supporting steel column, the T-shaped steel structure is installed on the third supporting steel column, damping springs are arranged on the first supporting steel column and the second supporting steel column, positioning holes are formed in the first supporting steel column and the second supporting steel column, and fixing devices matched with the positioning holes are arranged at two ends of the third supporting steel column; the bottom of the base is connected with a shock absorber; the shock absorber comprises a seat plate, a seat cylinder and a supporting piece, and the seat plate is tightly abutted to the base; the seat cylinder comprises a cylinder body part and an upper extension part which is integrally formed with the cylinder body part, the supporting part is of a sleeve body structure, and the upper extension part extends into the supporting part; the shock absorber also comprises a first supporting spring which is supported and arranged on the barrel body part and forms a support for the supporting part and a second supporting spring which is supported and arranged on the upper extending part and forms a support for the inner bottom of the supporting part; the shock absorber further comprises a torsion damping mechanism arranged in the barrel body part, a linkage rod is integrally formed in the supporting piece, the linkage rod extends into the barrel body part from the upper extending part and is in transmission fit with a power input end of the torsion damping mechanism to form a screw rod sliding block mechanism used for converting the vertical vibration of the supporting piece into rotary motion, and the second supporting spring is sleeved with the linkage rod.
Furthermore, the torsion damping mechanism comprises a damping cavity formed in the seat cylinder and a shaft sleeve which is arranged in the damping cavity in a manner of relative rotation and sealing at two axial ends and forms a power input end of the torsion damping mechanism;
a first matching part and a second matching part extend into the shock absorption cavity from the inside of the seat cylinder, the first matching part and the second matching part are tightly matched with the outer side of the shaft sleeve and divide the shock absorption cavity into a first damping cavity and a second damping cavity together, and damping liquid is filled in the first damping cavity and the second damping cavity;
become radial symmetry on the axle sleeve and be formed with first arc rotor block and second arc rotor block, first arc rotor block is located first damping chamber and separates it for first working chamber and second working chamber, and is formed with the first damping passageway of intercommunication first working chamber and second working chamber between the chamber wall in first arc rotor block and first damping chamber, second arc rotor block is located second damping chamber and separates it for third working chamber and fourth working chamber, and is formed with the second damping passageway of intercommunication third working chamber and fourth working chamber between the chamber wall in second arc rotor block and second damping chamber.
Further, a spring installation groove for installing a second support spring is formed at the upper end of the upper extension part.
Further, the bottom of bedplate forms and is used for cooperating the cover with support piece, support piece stretches into set up in the cooperation cover, be provided with the elastic support body between support piece top and the cooperation cover.
Furthermore, the inner bottom of the matching sleeve is matched with the top end of the supporting piece to form a conical surface, and the elastic supporting body is of a conical rubber sleeve body structure formed by arranging a metal layer and a rubber layer at intervals.
Furthermore, a hydraulic device is arranged in the T-shaped steel structure, the output end of the hydraulic device is connected with a hydraulic rod, and the hydraulic rod is abutted to the damping spring.
Further, the H-shaped steel structure is fixedly connected with the base in a welding mode; the bottom of the base is provided with a groove for placing and positioning the seat plate.
Further, the outer surfaces of the H-shaped steel structure and the T-shaped steel structure are sequentially provided with an acid washing layer, an anticorrosive layer and a wear-resistant layer from inside to outside; the anticorrosive coating includes anticorrosive inlayer and anticorrosive skin, anticorrosive inlayer is the epoxy coating, anticorrosive skin is the bonderizing rete.
Furthermore, the surfaces of the anti-corrosion inner layer and the anti-corrosion outer layer are in a matched corrugated shape.
Further, the wear-resistant layer is a Ni-Al-based alloy coating; still be equipped with the dampproof course outside the wearing layer, the dampproof course is the waterproof rete of PVC.
The invention has the beneficial effects that:
according to the combined steel structure device, the seat plate tightly abuts against the base, and the seat barrel is fixed on the ground or a special device, so that the shock absorber can prevent the influence of external shock and the shock generated by the steel structure during use on the steel structure body, the steel structure device has high shock resistance, can cope with the shock condition in reality, and enhances the stability of the steel structure device; specifically, the first supporting spring arranged on the outer side of the upper extension part of the seat barrel and the second supporting spring arranged on the inner side of the upper extension part of the seat barrel jointly form floating support for the supporting piece, so that the vibration from the seat plate can be greatly reduced and transmitted to the seat barrel while the vibration absorption effect is achieved, and meanwhile, as the linkage rod and the power input end of the torsion damping mechanism arranged in the seat barrel form a screw rod slider mechanism, when the supporting piece senses the up-and-down vibration of the base, the linkage rod can convert the up-and-down motion into the rotary motion of the torsion damping mechanism, so that the up-and-down vibration of the base is damped through the rotary damping of the torsion damping mechanism, and the damping effect; meanwhile, the invention has compact structure, and the first support spring, the second support spring and the torsion damping mechanism have higher integration and integrity and can be mutually matched to form a synergistic action.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the shock absorber of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic connection diagram of the pickling layer, the corrosion protection layer and the wear-resistant layer according to the invention.
Detailed Description
As shown in fig. 1 to 4: the combined steel structure device of the embodiment comprises a base 1, an H-shaped steel structure and a T-shaped steel structure 4, wherein the H-shaped steel structure is installed on the base 1, the H-shaped steel structure is composed of a first supporting steel column 21, a second supporting steel column 22 and a third supporting steel column 23, one end of the third supporting steel column 23 is connected with the first supporting steel column 21, the other end of the third supporting steel column 23 is connected with the second supporting steel column 22, the T-shaped steel structure 4 is installed on the third supporting steel column 23, the first supporting steel column 21 and the second supporting steel column 22 are both provided with damping springs 3, the first supporting steel column 21 and the second supporting steel column 22 are both provided with positioning holes 2a, and two ends of the third supporting steel column 23 are both provided with fixing devices 5 matched with the positioning holes 2 a; the bottom of the base 1 is connected with a shock absorber 7; the shock absorber 7 comprises a seat plate 71, a seat cylinder and a support 72, wherein the seat plate 71 is tightly abutted to the base 1; the H-shaped steel structure can be fixedly connected with the base 1 in a welding mode; the bottom of the base 1 is provided with a groove 1a for placing and positioning the seat plate 71; the shock absorber 7 is positioned below the base 1 and supports the base 1; because bedplate 71 tightly supports base 1 and the seat section of thick bamboo is fixed on ground or isolated plant, bumper shock absorber 7 can prevent that external vibrations and the steel structure produced vibrations when using from the influence that the steel constructs the body and causes for the steel constructs the device and has higher shock resistance, can deal with the vibrations condition that takes place in the reality, strengthens the stability that the steel constructs the device.
The seat cylinder comprises a cylinder body part 75 and an upper extension part 76 which is integrally formed with the cylinder body part 75, the support part 72 is of a sleeve structure, and the upper extension part 76 extends into the support part 72; the shock absorber 7 further includes a first supporting spring 73 supported and disposed on the body portion 75 and forming a support to the support 72 and a second supporting spring 74 supported and disposed on the upper extension portion 76 and forming a support to the inner bottom of the support 72; a seat section of thick bamboo includes lower end cover 77, lower barrel and goes up the barrel, goes up barrel upper portion and forms go up extension 76, goes up the lower part of barrel and forms barrel 75 jointly with lower barrel, goes up extension 76 and stretches into the setting in support piece 72 from bottom to top, and the lower extreme direct support of first supporting spring 73 is fixed in the lower part outside of last barrel, and support piece 72's outside forms annular heavy platform and is used for supporting the cooperation with the upper end of first supporting spring 73, and first supporting spring 73 is outer to be set up around annular heavy platform and last extension 76.
The shock absorber 7 further comprises a torsion shock absorption mechanism arranged in the cylinder body portion 75, a linkage rod 78 is integrally formed in the supporting piece 72, the linkage rod 78 extends into the cylinder body portion 75 from the upper extension portion 76 and is in transmission fit with a power input end of the torsion shock absorption mechanism to form a screw rod slider mechanism for converting the vertical vibration of the supporting piece 72 into rotary motion, and the second supporting spring 74 is sleeved outside the linkage rod 78; when the up-and-down vibration of the base 1 is transmitted to the supporting piece 72 from the seat plate 71, the linkage rod 78 can form up-and-down synchronous motion, and the linkage rod 78 is matched with the power input end of the torsion damping mechanism to convert the up-and-down linear motion into rotary motion, so that the torsion damping mechanism is driven to work to perform torsion damping; the first supporting spring 73 arranged on the outer side of the upper extending part 76 of the seat barrel and the second supporting spring 74 arranged on the inner side jointly form floating support for the supporting part 72, so that the vibration from the seat plate 71 can be greatly reduced to be transmitted to the seat barrel while the vibration absorption effect is achieved, meanwhile, a screw rod slider mechanism is formed by the linkage rod 78 and the power input end of the torsion damping mechanism arranged in the seat barrel, when the upper supporting part 72 senses the up-and-down vibration of the base 1, the linkage rod 78 can convert the up-and-down motion into the rotary motion of the torsion damping mechanism, the up-and-down vibration of the base 1 is damped through the rotary damping of the torsion damping mechanism, and the damping effect is greatly improved; meanwhile, the invention has compact structure, and the first supporting spring 73, the second supporting spring 74 and the torsion damping mechanism have high integration and integrity and can be mutually matched to form a synergistic action.
In this embodiment, the torsional vibration damping mechanism includes a damping chamber formed in the housing, and a shaft sleeve 79 disposed in the damping chamber in a manner that the shaft sleeve can rotate relatively and forms a seal at both axial ends thereof, and forms a power input end of the torsional vibration damping mechanism; regarding the seat cylinder, the damping cavity is communicated with the inner cavity of the seat cylinder, when the shaft sleeve 79 is installed in the seat cylinder, the outer circumferences of the two axial ends of the shaft sleeve 79 are respectively sealed with the inner cavity of the seat cylinder through sealing rings, so that the damping cavity forms a sealed cavity; and the axial both ends of the axle sleeve 79 are matched with the seat tube through the bearing respectively;
a first matching part 710 and a second matching part 711 extend into the shock absorption cavity inside the seat cylinder, the first matching part 710 and the second matching part 711 are tightly matched with the outer side of the shaft sleeve 79 and divide the shock absorption cavity into a first damping cavity and a second damping cavity together, and damping liquid is filled in the first damping cavity and the second damping cavity;
a first arc-shaped rotor body 712 and a second arc-shaped rotor body 713 are radially and symmetrically formed on the shaft sleeve 79, the first arc-shaped rotor body 712 is positioned in the first damping cavity and divides the first arc-shaped rotor body into a first working cavity 714 and a second working cavity 715, a first damping channel 716 communicated with the first working cavity 714 and the second working cavity 715 is formed between the first arc-shaped rotor body 712 and the cavity wall of the first damping cavity, the second arc-shaped rotor body 713 is positioned in the second damping cavity and divides the second arc-shaped rotor body into a third working cavity 717 and a fourth working cavity 718, and a second damping channel 719 communicated with the third working cavity 717 and the fourth working cavity 718 is formed between the second arc-shaped rotor body 713 and the cavity wall of the second damping cavity; the first and second arc- shaped rotor bodies 712 and 713 radially extend into and divide the corresponding damping cavities into two along the shaft sleeve 79, and when the shaft sleeve 79 generates a rotational motion, the first and second arc- shaped rotor bodies 712 and 713 rotate in the respective damping cavities to press the damping liquid in the working cavity on one side to flow in the working cavity on the other side, thereby forming a torsional vibration damping effect.
In this embodiment, a spring installation groove 720 for installing the second supporting spring 74 is formed at the upper end of the upper extension 76; the lower end of the second supporting spring 74 is directly dropped into the spring mounting groove 720 to be mounted, and the structure is simple and compact.
In this embodiment, a matching sleeve 721 matched with the supporting member 72 is formed at the bottom of the seat plate 71, the supporting member 72 extends into the matching sleeve 721, and an elastic supporting body 722 is arranged between the top end of the supporting member 72 and the matching sleeve 721; that is, the inner bottom of the matching sleeve 721 is matched with the top of the supporting member 72 to form a conical surface, and the elastic supporting member 722 is a conical rubber sleeve structure formed by arranging a metal layer and a rubber layer at intervals; the vibration isolation and noise reduction effects are formed between the supporting member 72 and the mounting plate, and the elastic supporting body comprises an upper rubber layer, a lower rubber layer and a metal layer arranged between the rubber layers.
In the embodiment, a hydraulic device is arranged in the T-shaped steel structure 4, the output end of the hydraulic device is connected with a hydraulic rod 6, and the hydraulic rod is abutted to the damping spring 3; the hydraulic device and the hydraulic rod 6 are arranged, so that the device is more convenient to mount when ascending and descending in use, and the investment of manpower and material resources is reduced; through the damping spring 3, the T-shaped steel structure and the H-shaped steel structure can be prevented from vibrating and rubbing when in work, so that the structural property of the T-shaped steel structure is damaged.
In the embodiment, the outer surfaces of the H-shaped steel structure and the T-shaped steel structure 4 are sequentially provided with an acid washing layer 91, an anticorrosive layer and a wear-resistant layer 93 from inside to outside; the anticorrosion layer comprises an anticorrosion inner layer 92a and an anticorrosion outer layer 92b, the anticorrosion inner layer 92a is an epoxy resin coating, and the anticorrosion outer layer 92b is a phosphating film layer; the epoxy resin coating is stable to alkali and most solvents, has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, and meanwhile, has strong adhesive force and can be operated at normal temperature; the epoxy resin coating is arranged outside the pickling layer 91 and can have a larger thickness; the phosphating film layer is an insoluble phosphate film (formed by treating a zinc phosphate solution for example) and effectively enhances the rust prevention performance of the part.
In this embodiment, the surfaces of the inner anticorrosion layer 92a opposite to the outer anticorrosion layer 92b are in a matched corrugated shape; the upper surface of anticorrosive inlayer 92a and the lower surface of anticorrosive outer 92b laminate mutually, and the corrugate makes two surfaces form undulant groove structure, can effectively improve the degree of stability that anticorrosive inlayer 92a and anticorrosive outer 92b are connected.
In this embodiment, the wear-resistant layer 93 is a Ni — Al based alloy coating; a moisture-proof layer 94 is further arranged outside the wear-resistant layer 93, and the moisture-proof layer 94 is a PVC (polyvinyl chloride) waterproof film layer; the Ni-Al based alloy coating reduces the friction factor between related parts and the outside and effectively improves the wear resistance of the parts; the Ni-Al based alloy coating can adopt Ni-Al wear-resistant composite material and preparation method disclosed by CN 103215576A; the moisture barrier 94 may be adhered to the wear layer 93; when the steel structure device is in a state of waiting to be installed, the dampproof course prevents it from being dampened.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A combined steel structure device comprises a base, an H-shaped steel structure and a T-shaped steel structure, wherein the H-shaped steel structure is installed on the base and consists of a first supporting steel column, a second supporting steel column and a third supporting steel column, one end of the third supporting steel column is connected with the first supporting steel column, the other end of the third supporting steel column is connected with the second supporting steel column, the T-shaped steel structure is installed on the third supporting steel column, damping springs are arranged on the first supporting steel column and the second supporting steel column respectively, positioning holes are formed in the first supporting steel column and the second supporting steel column respectively, and fixing devices matched with the positioning holes are arranged at two ends of the third supporting steel column respectively; the method is characterized in that: the bottom of the base is connected with a shock absorber; the shock absorber comprises a seat plate, a seat cylinder and a supporting piece, and the seat plate is tightly abutted to the base; the seat cylinder comprises a cylinder body part and an upper extension part which is integrally formed with the cylinder body part, the supporting part is of a sleeve body structure, and the upper extension part extends into the supporting part; the shock absorber also comprises a first supporting spring which is supported and arranged on the barrel body part and forms a support for the supporting part and a second supporting spring which is supported and arranged on the upper extending part and forms a support for the inner bottom of the supporting part; the shock absorber further comprises a torsion damping mechanism arranged in the barrel body part, a linkage rod is integrally formed in the supporting part, the linkage rod extends into the barrel body part from an upper extension part and is in transmission fit with a power input end of the torsion damping mechanism to form a screw rod sliding block mechanism for converting the up-and-down vibration of the supporting part into rotary motion, and the linkage rod is sleeved outside the second supporting spring; the torsion damping mechanism comprises a damping cavity formed in the seat cylinder and a shaft sleeve which is arranged in the damping cavity in a manner of relatively rotating and forming sealing at two axial ends and forms a power input end of the torsion damping mechanism;
a first matching part and a second matching part extend into the shock absorption cavity from the inside of the seat cylinder, the first matching part and the second matching part are tightly matched with the outer side of the shaft sleeve and divide the shock absorption cavity into a first damping cavity and a second damping cavity together, and damping liquid is filled in the first damping cavity and the second damping cavity;
a first arc-shaped rotor body and a second arc-shaped rotor body are radially and symmetrically formed on the shaft sleeve, the first arc-shaped rotor body is positioned in the first damping cavity and divides the first damping cavity into a first working cavity and a second working cavity, and a first damping channel communicated with the first working cavity and the second working cavity is formed between the first arc-shaped rotor body and the cavity wall of the first damping cavity, the second arc-shaped rotor body is positioned in the second damping cavity and divides the second damping cavity into a third working cavity and a fourth working cavity, and a second damping channel communicated with the third working chamber and the fourth working chamber is formed between the second arc-shaped rotor body and the chamber wall of the second damping chamber, the upper end of the upper extension part is provided with a spring installation groove for installing a second supporting spring, the bottom of the seat plate is provided with a matching sleeve for matching with the supporting piece, the supporting piece extends into the matching sleeve, and an elastic supporting body is arranged between the top end of the supporting piece and the matching sleeve.
2. The unitized steel structure device of claim 1, wherein: the inner bottom of the matching sleeve is matched with the top end of the supporting piece to form a conical surface, and the elastic supporting body is of a conical rubber sleeve body structure formed by arranging a metal layer and a rubber layer at intervals.
3. The unitized steel structure device of claim 2, wherein: and a hydraulic device is arranged in the T-shaped steel structure, the output end of the hydraulic device is connected with a hydraulic rod, and the hydraulic rod is abutted to the damping spring.
4. A composed steel structure device according to claim 3, characterized in that: the H-shaped steel structure is fixedly connected with the base in a welding mode; the bottom of the base is provided with a groove for placing and positioning the seat plate.
5. The unitized steel structure device of claim 4, wherein: the outer surfaces of the H-shaped steel structure and the T-shaped steel structure are sequentially provided with an acid washing layer, an anticorrosive layer and a wear-resistant layer from inside to outside; the anticorrosive coating includes anticorrosive inlayer and anticorrosive skin, anticorrosive inlayer is the epoxy coating, anticorrosive skin is the bonderizing rete.
6. The unitized steel structure device of claim 5, wherein: the surfaces of the anti-corrosion inner layer and the anti-corrosion outer layer are in a matched corrugated shape.
7. The unitized steel structure device of claim 6, wherein: the wear-resistant layer is a Ni-Al-based alloy coating; still be equipped with the dampproof course outside the wearing layer, the dampproof course is the waterproof rete of PVC.
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| CN201710557819.1A CN107313510B (en) | 2017-07-10 | 2017-07-10 | Combined steel structure device |
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| CN201710557819.1A CN107313510B (en) | 2017-07-10 | 2017-07-10 | Combined steel structure device |
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| CN108343154B (en) * | 2018-02-16 | 2019-12-06 | 广东精艺建设集团有限公司 | Assembled steel construction building |
| CN110904821B (en) * | 2019-11-29 | 2021-06-15 | 苏州科亿嘉新技术开发有限公司 | Damping device for rail transit bridge and working method thereof |
| CN112921826B (en) * | 2021-01-27 | 2022-08-02 | 太仓市路桥工程有限公司 | Annular corridor pedestrian bridge of quick construction |
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| WO1982004091A1 (en) * | 1981-05-11 | 1982-11-25 | Jun Toyama | A vibration-damping device |
| CN2597521Y (en) * | 2003-01-29 | 2004-01-07 | 株洲时代新材料科技股份有限公司 | Damping isolator of steel spring |
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| CN203891241U (en) * | 2014-04-09 | 2014-10-22 | 浙江广厦建设职业技术学院 | Combined steel structure |
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| CN204296137U (en) * | 2014-11-07 | 2015-04-29 | 温州海峰铜业有限公司 | Anticorrosion layered copper plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728341B (en) * | 2015-04-14 | 2016-10-05 | 重庆大学 | Clutch magneto-rheological torsion damper and clutch thereof |
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|---|---|---|---|---|
| WO1982004091A1 (en) * | 1981-05-11 | 1982-11-25 | Jun Toyama | A vibration-damping device |
| CN2597521Y (en) * | 2003-01-29 | 2004-01-07 | 株洲时代新材料科技股份有限公司 | Damping isolator of steel spring |
| CN201648885U (en) * | 2010-02-05 | 2010-11-24 | 北京市劳动保护科学研究所 | Damping-spring floating track bed damping device with limit function |
| CN203891241U (en) * | 2014-04-09 | 2014-10-22 | 浙江广厦建设职业技术学院 | Combined steel structure |
| CN104315076A (en) * | 2014-09-12 | 2015-01-28 | 东风小康汽车有限公司重庆分公司 | Self-adapting variable-damping hydraulic pressure rubber vibration isolation device for automobile suspension |
| CN204296137U (en) * | 2014-11-07 | 2015-04-29 | 温州海峰铜业有限公司 | Anticorrosion layered copper plate |
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| CN107313510A (en) | 2017-11-03 |
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