CN109695303B - Rotary friction type support capable of intelligently regulating rigidity damping - Google Patents

Rotary friction type support capable of intelligently regulating rigidity damping Download PDF

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Publication number
CN109695303B
CN109695303B CN201910026725.0A CN201910026725A CN109695303B CN 109695303 B CN109695303 B CN 109695303B CN 201910026725 A CN201910026725 A CN 201910026725A CN 109695303 B CN109695303 B CN 109695303B
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intelligent
strength wear
rotary
strength
resistant
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CN109695303A (en
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胡宝琳
艾璐
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

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  • Architecture (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a rotary friction type support capable of intelligently regulating rigidity and damping, which comprises a spiral friction mandrel, a high-strength wear-resistant cylinder, a high-strength wear-resistant discrete body, a head bearing, a tail bearing, a rotary end head, an anchor bolt, a spring intelligent regulating device, a high-strength super-elastic arc pressurizing device, an upper fixed limiting device, a lower fixed limiting device, a rigidity-regulating energy consumption device, a rigid connecting piece and a rigid supporting plate. The energy consumption mode is that the spiral friction mandrel rotates, so that no loss is generated on energy consumption components, and the energy consumption type spiral friction mandrel has good durability and high reliability; the total rigidity and the energy consumption capacity of the support are adjusted by the deformation energy consumption of the variable-rigidity energy consumption device; damping of the intelligent regulation and control support is realized through stress intelligent sensor, singlechip control processing and the like, and a hysteresis energy consumption curve can be displayed through an image processor, so that real-time monitoring is realized. The invention has the advantages of clear design of the anti-seismic concept, simple structure and structure, low cost of the used materials, convenient construction and convenient replacement.

Description

Rotary friction type support capable of intelligently regulating rigidity damping
Technical Field
The invention discloses a rotary friction type support capable of intelligently regulating and controlling rigidity damping, and belongs to the technical field of engineering structure earthquake resistance and energy dissipation and shock absorption.
Background
The traditional building structure earthquake-proof design method is to resist earthquake action by enhancing earthquake-proof performance of the building structure, such as increasing beam column size and reinforcing bars, namely passive earthquake-proof countermeasures for storing and dissipating earthquake energy by the structure so as to meet structural earthquake-proof fortification standards.
At present, energy dissipation and damping technologies are rapidly developed, and various damping components and energy dissipaters, such as viscous dampers, mild steel dampers, friction dampers and the like, are developed. The energy dissipation and shock absorption technology is to arrange energy dissipaters at certain parts of the structure, consume energy transmitted to the structure by earthquake through elastoplastic deformation, friction and the like, and increase the damping of the structure, thereby achieving the effect of protecting the structure. The energy dissipation and shock absorption technology plays a vital role in the field of structural reinforcement and structural shock resistance, and is one of the most common means for building shock resistance at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the rotary friction type support capable of intelligently regulating and controlling the rigidity damping, which has strong energy consumption capability, stable energy consumption effect and intelligent regulation and control of the rigidity damping, and can monitor the working state and the energy consumption condition in real time.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the rotary friction type support comprises a spiral friction mandrel, a high-strength wear-resistant cylinder, a high-strength wear-resistant discrete body, a head bearing, a tail bearing, a rotary end, an anchor bolt, a spring intelligent adjusting device, a high-strength super-elastic arc pressurizing device, an upper fixed limiting device, a lower fixed limiting device, a variable-rigidity energy consumption device, a rigid connecting piece and a rigid supporting plate; the spiral friction mandrel is arranged in the high-strength wear-resistant discrete body; the high-strength wear-resistant discrete body and the high-strength superelastic arc-shaped pressurizing device are sealed, fixed and limited by the upper fixed limiting device and the lower fixed limiting device; one end of the variable-stiffness energy dissipation device is fixedly connected with the tail part of the spiral friction mandrel through a rigid connecting piece, and the other end of the variable-stiffness energy dissipation device is connected with a rigid supporting plate embedded in the high-strength wear-resistant cylinder through a rigid connecting piece; an intelligent spring adjusting device is arranged on the upper fixed limiting device to adjust and control the prestress of the high-strength wear-resistant discrete body in the high-strength wear-resistant cylinder; the end part of the spiral friction mandrel is fixedly connected with a rotary end through an anchor bolt, the rotary end is connected inside a head bearing, and the tail part of the high-strength wear-resistant cylinder is connected with a tail bearing; an infrared sensor and a stress intelligent sensor are arranged in the high-strength wear-resistant cylinder, an image processor and a single chip microcomputer control processing module are arranged on the outer surface of the high-strength wear-resistant cylinder, and the infrared sensor, the stress intelligent sensor, the image processor, the single chip microcomputer control processing module and the intelligent rotary valve are in communication connection through a telecommunication line.
The intelligent spring adjusting device comprises an intelligent rotary valve, a balance sliding plug, a fastening device and a spring piece; the intelligent rotating valves are fixedly connected with the end parts of the fastening devices, the other ends of the fastening devices are connected with the spring pieces through balance sliding plugs, and the other ends of the spring pieces are fixed on the lower fixed limiting devices; when the supporting stress reaches the set value of the single chip microcomputer control processor, the intelligent rotary valve rotates the fastening device, the fastening device pushes the balance sliding plug, the balance sliding plug uniformly compresses the spring piece, the spring piece deforms to push the high-strength super-elastic arc-shaped pressurizing device to rub inwards, so that the high-strength wear-resistant discrete bodies are extruded, the prestress among the high-strength wear-resistant discrete bodies is increased, the internal friction force of the support is increased, and the purpose of damping adjustment is achieved. Under the action of an earthquake, when the supporting stress is larger than the set value of the singlechip, the singlechip controls the intelligent rotary valve to start a gear, and the rotary fastening device compresses the spring piece to push the high-strength super-elastic arc-shaped pressurizing device to change the prestress among high-strength wear-resistant discrete bodies and change the internal friction of the intelligent support; after the supporting stress is continuously increased, the intelligent rotary valve continuously rotates and the intelligent rotary valve is stopped under the control of the single-chip microcomputer control processing module after a certain value is reached.
The high-strength super-elastic arc pressurizing device is characterized in that four high-strength super-elastic arc pressurizing devices are provided, cambered surfaces on two sides of each high-strength super-elastic arc pressurizing device are in contact with each other, a tetrahedron is formed in the high-strength wear-resistant cylinder, a spring piece is respectively arranged on four surfaces of the tetrahedron, and high-strength wear-resistant discrete bodies are filled in the tetrahedron.
The variable-pitch stiffness energy dissipation device is formed by overlapping a plurality of groups of variable-pitch stiffness energy dissipation plates in series through rigid pipe hoops, when the spiral friction mandrel is pulled and pressed through a rigid connecting piece to change the displacement deformation of the variable-pitch stiffness energy dissipation device, the displacement deformation is distributed on each variable-pitch stiffness energy dissipation plate according to the stiffness of the variable-pitch stiffness energy dissipation plate, the number of the variable-pitch stiffness energy dissipation devices is increased according to different support displacement design requirements under different working conditions, and then the total stiffness and energy dissipation capacity of the support are adjusted.
And balls are arranged between the rotating end head and the surface of the head bearing, so that friction between the rotating end head and the head bearing during rotation is reduced.
The ball is arranged in the groove where the rigid support plate is connected with the high-strength wear-resistant cylinder, so that friction between the rigid support plate and the groove when the rigid support plate is driven to rotate by the spiral friction mandrel is reduced.
The control processing system for intelligently regulating and controlling the rigidity and the damping comprises a calculation processing module, an infrared sensor, an image processor, a stress intelligent sensor, a singlechip control processing module and a spring intelligent regulating device; the input end of the singlechip processing control module is connected with the calculation processing module, the digital signal output by the calculation processing module is received, and the output end of the singlechip processing control module is connected with the intelligent rotary valve of the intelligent spring adjusting device; the infrared sensor measures displacement data of the spiral friction mandrel under the action of an earthquake, the stress intelligent sensor measures stress data under the action of the earthquake, real-time data measured by the infrared sensor and the stress intelligent sensor are transmitted to the calculation processing module, then the calculation processing module processes the data to form a hysteresis curve, the hysteresis curve is transmitted to the image processor to be displayed, and meanwhile, a digital signal is transmitted to the singlechip control processing module, and the singlechip control processing module controls the starting of the intelligent spring adjusting device according to a set value.
The spiral friction mandrel is made of high-strength steel, so that friction loss in a working state can be effectively reduced, and the normal use of the spiral friction mandrel is prevented from being influenced by reduction of friction coefficient. The high-strength wear-resistant discrete body adopts high-hardness, good wear-resistant performance and high-friction-coefficient material particles, and can greatly increase the energy consumption capacity and durability of the support.
Under the action of earthquake, when the spiral friction mandrel moves back and forth under the action of force, the spiral surface on the spiral friction mandrel is in friction extrusion with the high-strength wear-resistant discrete body, the extrusion force and the friction force enable the spiral friction mandrel to rotate, and the energy consumption effect is generated through the rotation of the spiral friction mandrel and the mechanical friction of the spiral surface and the high-strength wear-resistant discrete body. The damping of the intelligent regulation and control support can be realized through the stress intelligent sensor, the single chip microcomputer control processing and the like, the hysteresis energy consumption curve can be displayed through the image processor, the working state and the energy consumption condition of the support can be directly checked, and the real-time monitoring is realized. Simultaneously, the spiral friction mandrel pulls the variable-stiffness energy dissipation device to deform and consume energy, and the total stiffness and the energy dissipation capacity of the support are adjusted through deformation of the variable-stiffness energy dissipation plate. The support consumes energy in three energy consumption modes of rotation of the spiral friction mandrel, friction of the spiral surface of the spiral friction mandrel and the high-strength wear-resistant discrete body, deformation and energy consumption of the rigidity-changing energy consumption device, and reduces structural seismic response, so that the support plays a role in protecting a structure.
Compared with the prior art, the invention has the following advantages:
The energy consumption mode of the invention is that the energy consumption effect is produced by the mechanical friction of the spiral surface and the high-strength wear-resistant discrete body through the rotation of the spiral friction mandrel, and the deformation energy consumption of the stiffness-changing energy consumption device is reduced, so that the earthquake reaction of the structure is reduced. The main energy consumption mode is that the spiral friction mandrel rotates, and no loss is generated on the energy consumption components, so that the energy consumption component has good durability and high reliability; the total rigidity and the energy consumption capacity of the support are adjusted by the deformation energy consumption of the variable-rigidity energy consumption device; meanwhile, the damping of the intelligent regulation and control support can be realized through the stress intelligent sensor, the single chip microcomputer control processing and the like, a hysteresis energy consumption curve can be displayed through the image processor, the working state and the energy consumption condition of the support can be directly checked, and real-time monitoring is realized. The invention has the advantages of clear design of the anti-seismic concept, simple structure and structure, low cost of the used materials, convenient construction and convenient replacement.
Drawings
FIG. 1 is an overall schematic diagram of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 2 is a schematic diagram of the internal construction of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 3 is a schematic cross-sectional view of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 4 is a schematic diagram of a high-strength wear-resistant cylinder with a rotary friction type support for intelligently regulating and controlling stiffness damping;
FIG. 5 is a schematic diagram of an intelligent spring adjusting device, a high-strength superelastic arc-shaped device and a pressurizing device variable-stiffness energy consumption device of a rotary friction type support for intelligently adjusting stiffness damping, which are arranged in a high-strength wear-resistant cylinder;
FIG. 6 is a schematic diagram of an image processor arrangement of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 7 is a schematic diagram of an image processor of a rotary friction type support with intelligent stiffness damping control according to the present invention;
FIG. 8 is a schematic diagram of a communication connection of an intelligent control module of a rotary friction type support for intelligently regulating and controlling stiffness damping according to the present invention;
FIG. 9 is a schematic diagram of a spiral friction mandrel of a rotary friction type support with intelligent stiffness damping control according to the present invention;
FIG. 10 is a schematic view of a head bearing of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 11 is a schematic view of a rotary friction type support head bearing configuration for intelligently controlling stiffness damping in accordance with the present invention;
FIG. 12 is a schematic view showing the internal structure of a head bearing of a rotary friction type support with intelligent stiffness damping control according to the present invention;
FIG. 13 is a schematic view of a rotating end of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 14 is a schematic cross-sectional view of a rotary end of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 15 is a schematic cross-sectional view of an end configuration of a rotary friction support with intelligent stiffness damping control in accordance with the present invention;
FIG. 16 is a schematic diagram of a rotational friction mandrel and rotational head connection of a rotational friction support with intelligent stiffness damping control in accordance with the present invention;
FIG. 17 is a schematic diagram of a connection of a spiral friction mandrel of a rotary friction type support with intelligent stiffness damping control and a head bearing;
FIG. 18 is a schematic view of a spring plate of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 19 is a schematic view of a rotary friction type support high-strength superelastic arc pressurizing device with intelligent stiffness damping control according to the invention;
FIG. 20 is a schematic diagram of a tetrahedron surrounded by a high-strength superelastic arc-shaped pressurizing device with a rotary friction type support for intelligently regulating and controlling rigidity damping;
FIG. 21 is a schematic view of an upper and lower fixed stop blocks and a balanced sliding plug of a rotary friction type support with intelligent stiffness damping control according to the present invention;
FIG. 22 is a schematic view of a fastening device for a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 23 is a schematic diagram of an intelligent rotary valve of a rotary friction type support for intelligently regulating and controlling stiffness damping according to the present invention;
FIG. 24 is a cross-sectional view of an intelligent rotary valve of a rotary friction support with intelligent stiffness damping control according to the present invention;
FIG. 25 is a schematic illustration of the intelligent rotary valve connected to the fastening device in the intelligent spring adjuster of the rotary friction type support for intelligently adjusting and controlling stiffness damping according to the present invention.
Fig. 26 is a schematic diagram of a variable stiffness energy dissipation plate in a variable stiffness energy dissipation device of a rotary friction type support for intelligently adjusting stiffness damping according to the invention.
FIG. 27 is a schematic view of a rigid pipe clamp in a variable stiffness energy dissipation device with an intelligently controlled stiffness damping rotary friction support according to the present invention.
FIG. 28 is a schematic diagram of a variable stiffness energy dissipation device for a rotary friction type support with intelligent stiffness damping control according to the present invention.
FIG. 29 is a schematic view of a tail bearing of a rotary friction support with intelligent stiffness damping control according to the present invention.
The correspondence between the reference numerals and the names of the respective parts in fig. 1 to 29 is as follows:
1. The device comprises a spiral friction mandrel, 2 parts of high-strength wear-resistant discrete bodies, 3 parts of high-strength wear-resistant cylinders, 4 parts of lower fixing and limiting devices, 5 parts of head bearings, 6 parts of tail bearings, 7 parts of rotating ends, 8 parts of balls, 9 parts of anchor bolts, 10 parts of spring pieces, 11 parts of high-strength super-elastic arc pressurizing devices, 12 parts of upper fixing and limiting devices, 13 parts of balance sliding plugs, 14 parts of fastening devices, 15 parts of variable-stiffness energy consumption plates, 16 parts of infrared sensors, 17 parts of image processors, 18 parts of stress intelligent sensors, 19 parts of single-chip microcomputer control and processing modules, 20 parts of intelligent rotating valves, 21 parts of rigid pipe hoops, 22 parts of rigid connecting pieces, 23 parts of rigid supporting plates, 24 parts of rigid connecting pieces and telecommunication lines.
Detailed Description
Specific embodiments of the present invention are described further below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 9-17 and 21, the rotary friction type support for intelligently regulating and controlling rigidity damping comprises a spiral friction mandrel 1, a high-strength wear-resistant cylinder 3, a high-strength wear-resistant discrete body 2, a head bearing 5, a tail bearing 6, a rotary end head 7, an anchor bolt 9, a spring intelligent regulation device, a high-strength super-elastic arc-shaped pressurizing device 11, an upper fixed limiting device 12, a lower fixed limiting device 4, a rigidity-regulating energy consumption device, a rigid connecting piece 22 and a rigid supporting plate 23; the high-strength wear-resistant cylinder 3 is arranged outside the spiral friction mandrel 1, the intelligent spring adjusting device and the high-strength super-elastic arc-shaped pressurizing device 11 are arranged in the high-strength wear-resistant cylinder 3, the space surrounded by the high-strength super-elastic arc-shaped pressurizing device 11 is filled with the high-strength wear-resistant discrete body 2, and the spiral friction mandrel 1 is arranged in the high-strength wear-resistant discrete body 2; the high-strength wear-resistant discrete body 2 and the high-strength superelastic arc-shaped pressurizing device 11 are sealed, fixed and limited by the upper fixed limiting device 12 and the lower fixed limiting device 4; one end of the variable-stiffness energy dissipation device is fixedly connected with the tail of the spiral friction mandrel 1 through a rigid connecting piece 22, and the other end of the variable-stiffness energy dissipation device is connected with a rigid supporting plate 23 embedded in the high-strength wear-resistant cylinder 3 through the rigid connecting piece 22; an intelligent spring adjusting device is arranged on the upper fixed limiting device 12 to adjust and control the prestress of the high-strength wear-resistant discrete body 2 in the high-strength wear-resistant cylinder 3; the end part of the spiral friction mandrel 1 is fixedly connected with a rotary end head 7 through an anchor bolt 9, the rotary end head 7 is connected inside the head bearing 5, and the tail part of the high-strength wear-resistant cylinder 3 is connected with a tail bearing 6; an infrared sensor 16 and a stress intelligent sensor 18 are arranged in the high-strength wear-resistant cylinder 3, an image processor 17 and a single chip microcomputer control processing module 19 are arranged on the outer surface of the high-strength wear-resistant cylinder 3, and the infrared sensor 16, the stress intelligent sensor 18, the image processor 17, the single chip microcomputer control processing module 19 and the intelligent rotary valve 20 are in communication connection through a telecommunication line 24.
As shown in fig. 3, 4, 18 and 22-25, the intelligent spring adjusting device comprises an intelligent rotary valve 20, a balance sliding plug 13, a fastening device 14 and a spring piece 10; the intelligent rotary valves 20 and the fastening devices 14 are four respectively, the intelligent rotary valves 20 are fixedly connected with the end parts of the fastening devices 14, the other ends of the fastening devices 14 are connected with the spring piece 10 through the balance sliding plugs 13, and the other ends of the spring piece 10 are fixed on the lower fixed limiting device 4; when the supporting stress reaches the set value of the single chip microcomputer control processor 19, the intelligent rotary valve 20 rotates the fastening device 14, the fastening device 14 pushes the balance sliding plug 13, the balance sliding plug 13 compresses the spring piece 10, the spring piece 10 deforms to push the high-strength super-elastic arc-shaped pressurizing device 11 to rub inwards, so that the high-strength wear-resistant discrete bodies 2 are pressed, the prestress among the high-strength wear-resistant discrete bodies 2 is increased, the internal friction of the support is increased, and the purpose of damping adjustment is achieved.
The intelligent rotary valve 20 is composed of a motor, and the singlechip control processing module 19 controls the on and off of the motor, so as to control the rotation and the stopping of the motor inside the intelligent rotary valve 20. The intelligent rotary valve 20 is installed on the upper fixed limiting device 12, the internal motor is in tight buckling connection with the fastening device 14, and when the intelligent rotary valve 20 starts the gear to operate, the fastening device 14 can be pushed to compress the spring piece 10.
As shown in fig. 19 and 20, the number of the high-strength super-elastic arc-shaped pressurizing devices 11 is four, the cambered surfaces at two sides of each high-strength super-elastic arc-shaped pressurizing device 11 are in contact with each other, a tetrahedron is formed in the high-strength wear-resistant cylinder 3, the four surfaces of the tetrahedron are respectively provided with a spring piece 10, and the tetrahedron is internally filled with the high-strength wear-resistant discrete body 2.
As shown in fig. 26, 27 and 28, the variable-pitch stiffness energy dissipation device is formed by overlapping multiple groups of variable-pitch stiffness energy dissipation plates 15 in series through rigid pipe hoops 21, when the spiral friction mandrel 1 is deformed by pulling and pressing the variable-pitch stiffness energy dissipation devices through the rigid connecting pieces 22, the displacement deformation is distributed on each variable-pitch stiffness energy dissipation plate 15 according to the stiffness of the variable-pitch stiffness energy dissipation plate 15, the number of the variable-pitch stiffness energy dissipation devices is increased according to different support displacement design requirements under different working conditions, and then the total stiffness and energy dissipation capacity of the support are adjusted.
As shown in fig. 2, balls 8 are provided in between the rotating head 7 and the surface of the head bearing 5, reducing friction with the head bearing 5 when the rotating head 7 rotates.
As shown in fig. 2 and 5, balls 8 or other lubrication modes are arranged in grooves where the rigid support plate 23 is connected with the high-strength wear-resistant cylinder 3, so that friction between the rigid support plate 23 and the grooves when the rigid support plate 23 is driven to rotate by the spiral friction mandrel 1 is reduced.
As shown in fig. 5, 6, 7 and 8, the control processing system for intelligently regulating and controlling the rigidity and the damping comprises a calculation processing module, an infrared sensor 16, an image processor 17, a stress intelligent sensor 18, a singlechip control processing module 19 and a spring intelligent regulating device; the input end of the singlechip processing control module 19 is connected with the calculation processing module, the digital signal output by the calculation processing module is received, and the output end of the singlechip processing control module is connected with the intelligent rotary valve 20 of the intelligent spring adjusting device; the infrared sensor 16 is fixed inside the high-strength wear-resistant cylinder 3, infrared rays are emitted to the spiral friction mandrel 1, and the displacement value of the spiral friction mandrel 1 in the working process of the support is sensed. The stress sensor 18 is arranged on the inner surface of the high-strength wear-resistant cylinder, and measures and records the stress value of the high-strength wear-resistant cylinder 3 in the use process. Real-time data measured by the infrared sensor 16 and the stress intelligent sensor 18 are sent to a calculation processing module, and the calculation processing module forms a hysteresis curve with the stress value of the high-strength wear-resistant cylinder 3 and the displacement value of the spiral friction mandrel 1 and then sends the hysteresis curve to an image processor 17 for display. Meanwhile, the calculation processing module sends a digital signal to the singlechip control processing module 19, and the singlechip control processing module 19 controls the intelligent spring adjusting device to work according to a set value to adjust and change the internal friction of the intelligent support so as to achieve damping adjustment.
As shown in fig. 10, 11 and 12, the head bearing 5 is formed of two parts, both of which are threaded, and the two parts of the head bearing 5 are connected by the threads, and the head bearing 5 is constructed so as to facilitate the installation of the rotary head 7. In use, the energy dissipating support is mounted to the structure by means of a head bearing 5 and a tail bearing 6. The rotating end head 7 is used for fixing the spiral mandrel 1, so that the force applied by the spiral mandrel 1 and the head bearing 5 is prevented from being out of a straight line in the use process, and an additional eccentric moment is generated, so that the support is damaged.

Claims (5)

1. The rotary friction type support is characterized by comprising a spiral friction mandrel (1), a high-strength wear-resistant cylinder (3), a high-strength wear-resistant discrete body (2), a head bearing (5), a tail bearing (6), a rotary end (7), an anchor bolt (9), a spring intelligent adjusting device, a high-strength super-elastic arc pressurizing device (11), an upper fixing limiting device (12) and a lower fixing limiting device (4), a variable-stiffness energy consumption device, a rigid connecting piece (22) and a rigid supporting plate (23); the spiral friction mandrel (1) is externally provided with a high-strength wear-resistant cylinder (3), the high-strength wear-resistant cylinder (3) is internally provided with a spring intelligent adjusting device and a high-strength super-elastic arc pressurizing device (11), a space surrounded by the high-strength super-elastic arc pressurizing device (11) is filled with a high-strength wear-resistant discrete body (2), and the spiral friction mandrel (1) is arranged in the high-strength wear-resistant discrete body (2); the high-strength wear-resistant discrete body (2) and the high-strength super-elastic arc-shaped pressurizing device (11) are sealed, fixed and limited by the upper fixed limiting device (12) and the lower fixed limiting device (4); one end of the variable-stiffness energy consumption device is fixedly connected with the tail part of the spiral friction mandrel (1) through a rigid connecting piece (22), and the other end of the variable-stiffness energy consumption device is connected with a rigid supporting plate (23) embedded in the high-strength wear-resistant cylinder (3) through the rigid connecting piece (22); an intelligent spring adjusting device is arranged on the upper fixed limiting device (12) to adjust and control the prestress of the high-strength wear-resistant discrete body (2) in the high-strength wear-resistant cylinder (3); the end part of the spiral friction mandrel (1) is fixedly connected with a rotary end head (7) through an anchor bolt (9), the rotary end head (7) is connected inside a head bearing (5), and the tail part of the high-strength wear-resistant cylinder (3) is connected with a tail bearing (6); an infrared sensor (16) and a stress intelligent sensor (18) are arranged inside the high-strength wear-resistant cylinder (3), an image processor (17) and a single chip microcomputer control processing module (19) are arranged on the outer surface of the high-strength wear-resistant cylinder (3), and the infrared sensor (16), the stress intelligent sensor (18), the image processor (17), the single chip microcomputer control processing module (19) and the intelligent rotary valve (20) are in communication connection through a telecommunication line (24); the variable-pitch stiffness energy dissipation device is formed by overlapping a plurality of groups of variable-pitch stiffness energy dissipation plates (15) in series through rigid pipe hoops (21), when the spiral friction mandrel (1) is subjected to tension-compression variable-pitch stiffness energy dissipation devices through rigid connectors (22) to perform displacement deformation, the displacement deformation is distributed on each variable-pitch stiffness energy dissipation plate (15) according to the stiffness of the variable-pitch stiffness energy dissipation plate (15), the number of variable-pitch stiffness energy dissipation devices is increased according to different support displacement design requirements under different working conditions, and then the total stiffness and energy dissipation capacity of a support are adjusted;
The control processing system for intelligently regulating and controlling the rigidity and the damping comprises a calculation processing module, an infrared sensor (16), an image processor (17), a stress intelligent sensor (18), a singlechip control processing module (19) and a spring intelligent regulating device; the input end of the singlechip control processing module (19) is connected with the calculation processing module, the digital signal output by the calculation processing module is received, and the output end of the singlechip control processing module is connected with an intelligent rotary valve (20) of the intelligent spring adjusting device; real-time data measured by the infrared sensor (16) and the stress intelligent sensor (18) are transmitted to the calculation processing module, the calculation processing module processes the data and then displays the data in the image processor (17), meanwhile, digital signals are transmitted to the singlechip control processing module (19), and the singlechip control processing module (19) controls the starting of the intelligent spring adjusting device according to a set value.
2. The intelligent stiffness damping-regulating rotary friction type support according to claim 1, wherein the spring intelligent adjusting device comprises an intelligent rotary valve (20), a balance sliding plug (13), a fastening device (14) and a spring piece (10); the intelligent rotary valves (20) and the fastening devices (14) are four, the intelligent rotary valves (20) are fixedly connected with the end parts of the fastening devices (14), the other ends of the fastening devices (14) are connected with the spring pieces (10) through the balance sliding plugs (13), and the other ends of the spring pieces (10) are fixed on the lower fixed limiting device (4); when the supporting stress reaches the set value of the singlechip control processing module (19), the intelligent rotary valve (20) rotates the fastening device (14), the fastening device (14) pushes the balance sliding plug (13), the balance sliding plug (13) compresses the spring piece (10), the spring piece (10) deforms to push the high-strength super-elastic arc-shaped pressurizing device (11) to rub inwards, so that the high-strength wear-resistant discrete bodies (2) are extruded, the prestress among the high-strength wear-resistant discrete bodies (2) is increased, the internal friction force of the support is increased, and the damping adjustment purpose is achieved.
3. The intelligent rigidity damping-regulating rotary friction type support according to claim 1, wherein the total number of the high-strength super-elastic arc-shaped pressurizing devices (11) is four, the cambered surfaces on two sides of each high-strength super-elastic arc-shaped pressurizing device (11) are in contact with each other, a tetrahedron is formed by surrounding the high-strength wear-resistant cylinder (3), and each of four surfaces of the tetrahedron is provided with a spring piece (10), and the tetrahedron is internally filled with the high-strength wear-resistant discrete body (2).
4. The intelligent stiffness damping-controlled rotary friction type support according to claim 1, wherein balls (8) are arranged in the space between the rotary end head (7) and the surface of the head bearing (5), so that friction between the rotary end head (7) and the head bearing (5) during rotation is reduced.
5. The intelligent rigidity damping-adjusting rotary friction type support according to claim 1 is characterized in that balls (8) are arranged in grooves where a rigid support plate (23) is connected with a high-strength wear-resistant cylinder (3), and friction between the rigid support plate (23) and the grooves when the rigid support plate (23) is driven to rotate by a spiral friction mandrel (1) is reduced.
CN201910026725.0A 2018-08-10 2019-01-11 Rotary friction type support capable of intelligently regulating rigidity damping Active CN109695303B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201821283512 2018-08-10
CN201810905535.1A CN109138199A (en) 2018-08-10 2018-08-10 A kind of pivoting friction type support of intelligent control stiffness and damping
CN2018212835123 2018-08-10
CN2018109055351 2018-08-10

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Publication Number Publication Date
CN109695303A CN109695303A (en) 2019-04-30
CN109695303B true CN109695303B (en) 2024-04-19

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TW201615341A (en) * 2014-10-17 2016-05-01 應用材料股份有限公司 CMP pad construction with composite material properties using additive manufacturing processes
WO2017090824A1 (en) * 2015-11-27 2017-06-01 인천대학교 산학협력단 Energy dissipation-type elastomer friction damper
CN107191046A (en) * 2017-06-23 2017-09-22 西京学院 A kind of friction-type quality runner damper
CN210140927U (en) * 2018-08-10 2020-03-13 上海大学 Rotating friction type support capable of intelligently regulating rigidity damping

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TW201615341A (en) * 2014-10-17 2016-05-01 應用材料股份有限公司 CMP pad construction with composite material properties using additive manufacturing processes
WO2017090824A1 (en) * 2015-11-27 2017-06-01 인천대학교 산학협력단 Energy dissipation-type elastomer friction damper
CN107191046A (en) * 2017-06-23 2017-09-22 西京学院 A kind of friction-type quality runner damper
CN210140927U (en) * 2018-08-10 2020-03-13 上海大学 Rotating friction type support capable of intelligently regulating rigidity damping

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