CN115263983A - Multi-angle damping system - Google Patents
Multi-angle damping system Download PDFInfo
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- CN115263983A CN115263983A CN202210868180.XA CN202210868180A CN115263983A CN 115263983 A CN115263983 A CN 115263983A CN 202210868180 A CN202210868180 A CN 202210868180A CN 115263983 A CN115263983 A CN 115263983A
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- 238000013016 damping Methods 0.000 title claims abstract description 30
- 230000035939 shock Effects 0.000 claims abstract description 50
- 238000009792 diffusion process Methods 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 48
- 238000004891 communication Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000116 mitigating effect Effects 0.000 claims 2
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000000670 limiting effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a damping system, in particular to a multi-angle damping system, which aims to overcome the defects that in the prior art, a damping source has large influence on the surrounding environment, the single-direction damping causes unstable damping structure, slow seismic source diffusion and long damping time, and the damping structure is simple and cannot adapt to long-term low-amplitude vibration and sudden large-amplitude vibration at the same time. A multi-angle shock absorption system comprises an assembly structure, a shock absorption shell and a plurality of groups of seismic source diffusion valves; the shock attenuation shell is hollow structure, and assembly structure sets up in the hollow structure of shock attenuation shell for fixed source of earthquake body or load the shell, and assembly structure is provided with a plurality of first connecting pieces and second connecting piece along circumference interval, and axial first valve body is connected to first connecting piece, and the second connecting piece cooperatees with radial first valve body, can carry out spacing and buffering atress to the source body in a plurality of directions, and overall structure is stable.
Description
Technical Field
The invention relates to a damping system, in particular to a multi-angle damping system.
Background
In the conventional chemical explosion performance detection and the equipment use, large shock waves or pressure are released, and the release of energy of the large shock waves or pressure enables the equipment to generate large vibration and brings a great source to the peripheral environment, so that a corresponding damping system needs to be configured to avoid damaging the equipment and the peripheral environment in the use process. The existing damping system is used for restraining the motion of a seismic source from one direction, so that most of energy is released from one direction, and large impact force is caused to the direction, so that the system structure is unstable; the seismic source is slowly diffused by damping in a single direction, and the damping time is long; and the existing damping system has a simple structure and cannot adapt to long-term low-amplitude vibration and sudden large-amplitude vibration at the same time.
Disclosure of Invention
The multi-angle shock absorption system aims at solving the problems that in the prior art, the shock absorption source has large influence on the surrounding environment, the shock absorption structure is unstable, the seismic source is slow to diffuse and long in shock absorption time due to single-direction shock absorption, and the shock absorption structure is simple and cannot adapt to long-term low-amplitude shock and sudden large-amplitude shock at the same time.
In order to achieve the above purpose, the technical solution provided by the present invention is as follows:
a multi-angle shock absorption system is characterized in that: the seismic source diffusion valve assembly comprises an assembly structure, a damping shell and a plurality of groups of seismic source diffusion valves; the shock absorption shell is of a hollow structure, the assembly structure is arranged in the hollow structure of the shock absorption shell and is movably connected with the shock absorption shell, a plurality of first connecting pieces and second connecting pieces are arranged at the edge of the assembly structure at intervals along the circumferential direction, and the assembly structure is used for fixing a shock source body or a loading shell;
the seismic source diffusion valve comprises first valve bodies which are uniformly distributed and fixed on the damping shell along the circumferential direction, and each first valve body comprises a transmission rod and a buffer structure which are coaxially arranged; the axial line of part of the first valve body is vertical to the plane of the damping shell and is used as an axial first valve body, and the transmission rod of the axial first valve body is in movable connection with the first connecting piece; the axis of the other part of the first valve body is parallel to the plane where the damping shell is located and serves as a radial first valve body, one end, far away from the buffering structure, of the transmission rod of the radial first valve body is connected with the second connecting piece in a matched mode, and the second connecting piece can move in any direction relative to the transmission rod.
Further, the damping shell comprises an upper shell, a lower shell and a plurality of steel wire rope dampers, wherein the upper shell and the lower shell are arranged in parallel;
the upper shell and the lower shell are both of hollow structures, the upper shell and the lower shell are connected through a steel wire rope shock absorber, and the assembly structure is arranged in the middle of the upper shell.
Furthermore, the transmission rod is sleeved with a first assembly shell, a first elastic structure and a first annular structure, the first assembly shell comprises a first flat plate and a second flat plate which are sleeved on the transmission rod, and a connecting plate which is connected with the first flat plate and the second flat plate; the first elastic structure is positioned between the first flat plate and the second flat plate, and the first annular structure is fixed at one end of the first elastic structure, which is close to the second flat plate;
the buffer structure comprises a buffer shell connected to one side of the second flat plate, which is far away from the first flat plate, a buffer cavity arranged in the buffer shell, and a pressure-bearing structure, a movable baffle and a second elastic structure which are axially and sequentially arranged in the buffer cavity; the end face of the buffer shell connected with the second flat plate is provided with a through hole, and the transmission rod penetrates through the through hole to be connected with the pressure-bearing structure; the movable baffle and the second elastic structure are arranged at one end far away from the second flat plate;
the side wall of the buffer shell is provided with a communication hole which is positioned at a position close to the movable baffle.
Furthermore, the axial first valve body is fixed on the upper shell through a second flat plate, and the radial first valve body is fixed on the upper shell through the connecting plate;
the axial first valve body and the radial first valve body are arranged at intervals and are uniformly distributed along the periphery of the upper shell.
Furthermore, the valve further comprises a second annular structure, the second annular structure is fixed on the transmission rod of the first valve body in the axial direction and located between the first annular structure and the second flat plate, a waist-shaped hole is formed in one end, away from the assembling structure, of the first connecting piece, and the first connecting piece is sleeved on the transmission rod through the waist-shaped hole and located between the first annular structure and the second annular structure.
The waist-shaped hole has a certain moving space relative to the transmission rod.
The transmission rod of the first valve body is arranged on the end part, far away from the second flat plate, of the transmission rod of the first valve body in the radial direction;
the end, far away from the assembly structure, of the second connecting piece is of a U-shaped structure, two side plates of the U-shaped structure are parallel to the plane of the upper shell, and the matching piece is arranged in a cavity of the U-shaped structure and is spaced from the two side plates of the U-shaped structure.
Further, the seismic source diffusion valve also comprises a communicating pipe and a second valve body;
the second valve body comprises a second assembly shell, an assembly cavity and a bent circulation cavity which are arranged in the second assembly shell, a piston rod arranged in the assembly cavity, and a first inlet and outlet, a second inlet and outlet, a discharge port and a vent which are arranged on the second assembly shell;
the first inlet and outlet, the second inlet and outlet, the discharge port and the vent are communicated with the assembly cavity, the first inlet and outlet and the second inlet and outlet are arranged in a manner of being vertical to the assembly cavity and axially opposite to the assembly cavity, the discharge port and the second inlet and outlet are arranged in parallel, and the vent is arranged at one end far away from the first inlet and outlet;
the bent circulation cavity is separated from the assembly cavity, one end of the bent circulation cavity is communicated with the first inlet and the first outlet, and the other end of the bent circulation cavity is arranged at a position close to the vent and communicated with the assembly cavity;
a first return spring and a second return spring are respectively arranged at two ends of the piston rod along the axial direction; when the piston rod does not move, the communication position of the first inlet/outlet and the assembly cavity and the communication position of the second inlet/outlet and the assembly cavity are opposite to the first return spring; the connecting part of the discharge port and the assembly cavity is opposite to one end of the piston rod close to the first return spring; the connecting part of the other end of the bent circulation cavity and the assembly cavity is opposite to one end of the piston rod close to the second return spring, and the connecting part of the vent and the assembly cavity is opposite to the second return spring; the side surface of the piston rod is provided with a plurality of sealing rings which are respectively positioned between the second inlet and the second outlet and at two sides of the communication part of the other end of the bent circulation cavity and the assembly cavity;
one end of the communicating pipe is communicated with the communicating hole, and the other end of the communicating pipe is communicated with the first inlet and the first outlet.
Furthermore, the device also comprises a separation plate arranged perpendicular to the axis of the discharge port, and a control assembly for controlling the separation plate;
the control assembly is used for controlling the movement of the isolation plate.
Further, the assembly structure is connected with the upper shell through a plurality of groups of connecting springs, each group of connecting springs comprises two connecting springs symmetrically arranged on two sides of the radial first valve body axis, one end of each connecting spring is connected to the upper shell, and the other end of each connecting spring is connected to a side plate of the U-shaped structure close to the lower shell.
Further, the pressure sensor is arranged in the assembly cavity, and the output end of the pressure sensor is connected with the control assembly.
Compared with the prior art, the invention has the following beneficial effects:
1. the seismic source body is arranged in the loading shell and is limited in surrounding position, so that the emission range of the seismic source is limited, and the influence on more peripheral environments is reduced.
2. The seismic source diffusion valves are arranged and used as buffer units in different directions, when vibration or other shaking occurs, the vibration is simultaneously restrained and limited in multiple directions, so that the seismic source diffusion valves can be slowly released from multiple directions, and compared with the prior art, the seismic source diffusion valves release more energy and more relieved vibration in the same time period; and the stress is buffered in multi-direction limiting, and the whole structure is stable.
3. According to the invention, the first connecting piece is sleeved on the transmission rod of the axial first valve body through the waist-shaped hole, a certain movable buffer space is provided, the first connecting piece can move radially relative to the transmission rod and can also rotate around the transmission rod, the first connecting piece can limit in multiple directions, and the rotation can also slow down part of vibration.
4. According to the invention, the end part of the transmission rod of the first valve body in the radial direction, which is far away from the second flat plate, is provided with the matching piece, the matching piece is arranged in the U-shaped structure of the second connecting piece, a gap is reserved between the matching piece and the two side plates of the U-shaped structure, the two side plates of the U-shaped structure vibrate in the direction vertical to the plane of the upper shell, and the vibration can be gradually reduced through the limit of the transmission rod, so that the damping effect is improved.
5. The damping shell comprises an upper shell and a lower shell which are arranged in parallel, the upper shell and the lower shell are connected through a steel wire rope damper, and the upper shell and the lower shell have the functions of buffering, damping and limiting when being vibrated.
6. The seismic source diffusion valve adopts the first valve body and the second valve body, and the seismic source is scattered for multiple times through the movement of the first elastic structure, the second elastic structure and the piston rod when the seismic source diffusion valve is vibrated, so that the finally released seismic source is relatively small; the first valve body is communicated with the second valve body through the communicating pipe, the pressure bearing structure of the first valve body moves to extrude hydraulic oil in the buffer cavity when the first valve body vibrates, the first valve body vibrates excessively through the communicating pipe to the assembling cavity, and when the hydraulic oil cannot be discharged in time, the piston rod of the second valve body can be pushed to move towards the direction close to the second return spring, so that the discharge ports are communicated, the hydraulic oil can be discharged through the discharge ports in time, and the second valve body is prevented from being damaged due to the fact that local pressure in the assembling cavity is too large.
7. The connecting spring connecting and assembling structure and the upper shell are arranged, the connecting spring connecting and assembling structure and the upper shell have connecting and buffering functions, each group of connecting springs, the upper shell and the U-shaped structure form a structure similar to a triangle together, and the connecting spring connecting and assembling structure has certain stability.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting structure of a loading shell according to an embodiment of the present invention;
FIG. 3 is a top view of an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of a first valve body in an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a second valve body in an embodiment of the present invention;
FIG. 6 is a schematic diagram of the attachment of a source diffuser in an embodiment of the invention;
FIG. 7 is a schematic view of the installation of the axial first valve body (the damper housing is not shown in the figure) in the embodiment of the present invention;
FIG. 8 is a schematic view of the installation of a radial first valve body in an embodiment of the present invention;
description of reference numerals:
100-an assembly structure; 200-a shock-absorbing shell; 201-upper shell; 202-lower shell; 203-a fixing frame; 300-seismic source diffusion valve; 310-a first valve body; 311-a first fitting housing; 312-a buffer chamber; 313-a first elastic structure; 314-a transmission rod; 315-a pressure-bearing structure; 316-a flapper; 317-a second elastic structure; 318-a buffer housing; 319-communicating hole; 320-communicating tube; 321-a first ring-shaped structure; 322-a second ring-shaped structure; 330-a second valve body; 331-a second assembly housing; 332-bending the flow-through chamber; 333-a second inlet/outlet; 334-an exhaust port; 335-a first port; 336-a vent; 337-a first return spring; 338-a piston rod; 339-a second return spring; 340-a fitting cavity; 341-a barrier sheet; 342-a control component; 400-a first connector; 500-a second connector; 520-a mating member; 600-connecting a spring; 700-a wire rope shock absorber; 800-loading shell.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the multi-angle shock absorption system of the present invention, as shown in fig. 1 to 3, comprises an assembly structure 100, a shock absorption shell 200 and eight sets of seismic source diffusion valves 300; the shock absorption shell 200 comprises an upper shell 201 and a lower shell 202 which are arranged in parallel, the upper shell 201 and the lower shell 202 are both octagonal hollow structures, four spaced sides extend inwards to form a triangular surface, the upper shell 201 and the lower shell 202 are connected through a steel wire rope shock absorber 700, and each side of the upper shell 201 is provided with a group of seismic source diffusion valves 300; the assembly structure 100 is disposed in the hollow structure of the upper housing 201 and connected with the upper housing 201 through a plurality of sets of connecting springs 600, and the assembly structure 100 is used for fixing the seismic source body or the loading housing 800.
The source diffusion valve 300 comprises a first valve body 310, a communicating pipe 320 and a second valve body 330; the first valve body 310 is structurally shown in fig. 4 and comprises a transmission rod 314 and a buffer structure which are coaxially arranged, wherein a first assembly shell 311, a first elastic structure 313 and a first annular structure 321 are sleeved on the transmission rod 314, and the first assembly shell 311 comprises a first flat plate and a second flat plate which are sleeved on the transmission rod 314, and a connecting plate which is connected with the first flat plate and the second flat plate; the first elastic structure 313 and the first annular structure 321 are sequentially arranged between the first flat plate and the second flat plate, the first annular structure 321 is fixedly connected with the transmission rod 314, and two ends of the first elastic structure 313 are respectively connected with the first flat plate and the first annular structure 321; the buffer structure comprises a buffer shell 318 connected to one side of the second flat plate, which is far away from the first flat plate, a buffer cavity 312 arranged in the buffer shell 318, and a pressure-bearing structure 315, a movable baffle 316 and a second elastic structure 317 which are axially and sequentially arranged in the buffer cavity 312; the buffer shell 318 is connected with the end face of the second flat plate to form a through hole, the transmission rod 314 penetrates through the through hole to be connected with the pressure-bearing structure 315, the movable baffle 316 and the second elastic structure 317 are arranged at one end far away from the second flat plate, the pressure-bearing structure 315 and the movable baffle 316 are both arranged in a sealing manner with the inner wall of the buffer shell 318, a communication hole 319 is arranged at the position, close to the movable baffle 316, of the side wall of the buffer shell 318, one end of the communication hole 319 is communicated with the buffer cavity 312, and the other end of the communication hole 319 is connected with the communication pipe 320.
The second valve body 330 is constructed as shown in fig. 5, and includes a second assembly housing 331, an assembly chamber 340 and a bent flow-through chamber 332 provided in the second assembly housing 331, a piston rod 338 provided in the assembly chamber 340, and a first inlet/outlet 335, a second inlet/outlet 333, a discharge port 334, and a vent port 336 provided in the second assembly housing 331.
The first inlet and outlet 335, the second inlet and outlet 333, the discharge port 334 and the vent 336 are all communicated with the assembly cavity 340, the first inlet and outlet 335 and the second inlet and outlet 333 are arranged in a manner of being vertical to the axial direction of the assembly cavity 340 and opposite to each other, the discharge port 334 and the second inlet and outlet 333 are arranged in parallel, a through groove is formed in the side wall of the discharge port 334 in a manner of being vertical to the axial direction, a partition plate 341 is arranged in the through groove, and a control component 342 is arranged outside the second assembly shell 331 and used for controlling the partition plate 341 to move; the vent 336 is disposed at an end distal from the first port 335; the bent flow-through chamber 332 is disposed at one side of the assembly chamber 340, and one end of the bent flow-through chamber 332 communicates with the first inlet/outlet 335 and the other end is disposed near the vent 336 to communicate with the assembly chamber 340.
A first return spring 337 and a second return spring 339 are respectively arranged at two ends of the piston rod 338 along the axial direction; when the piston rod 338 does not move, the communication position of the first inlet/outlet 335 and the assembly cavity 340 and the communication position of the second inlet/outlet 333 and the assembly cavity 340 are opposite to the first return spring 337; the communication part of the discharge port 334 and the assembly cavity 340 is opposite to one end of the piston rod 338 close to the first return spring 337; the communication part of the other end of the bent circulation cavity 332 and the assembly cavity 340 is opposite to one end of the piston rod 338 close to the second return spring 339, and the communication part of the vent 336 and the assembly cavity 340 is opposite to the second return spring 339; a plurality of sealing rings are arranged on the side surface of the piston rod 338 and are respectively positioned between the second inlet/outlet 333 and the discharge port 334 and on two sides of the communication part of the other end of the bent circulation cavity 332 and the assembly cavity 340.
When the piston rod 338 moves in the direction of the second return spring 339, the discharge port 334 communicates with the first inlet/outlet port 335; when the piston rod 338 moves in a direction approaching the first return spring 337, the other end of the bent flow-through chamber 332 communicates with the vent 336.
As shown in fig. 6, the first valve body 310 and the second valve body 330 are connected to each other, and one end of the communication pipe 320 communicates with the communication hole 319 and the other end communicates with the first inlet/outlet 335.
The axes of the four first valve bodies 310 are perpendicular to the plane of the shock absorbing shell 200 and serve as the axial first valve bodies 310, as shown in fig. 7, the axial first valve bodies 310 are respectively fixed at the positions, close to the center of the upper shell 201, of the triangular surface formed by inward extension of the shock absorbing shell 200, the transmission rod 314 passes through the triangular surface, so that the triangular surface is fixedly connected with the second flat plate, and the buffer structure is located between the upper shell 201 and the lower shell 202; the second annular structure 322 is sleeved on the transmission rod 314 of the axial first valve body 310, the second annular structure 322 is fixed between the first annular structure 321 and the second plate, the first connecting piece 400 is arranged between the first annular structure 321 and the second annular structure 322, the first connecting piece 400 is sleeved on the transmission rod 314 through a waist-shaped hole and can rotate relative to the transmission rod 314, and the other end of the first connecting piece is fixedly connected to the assembling structure 100.
The axes of the other four first valve bodies 310 are arranged parallel to the plane of the shock absorbing shell 200 and serve as radial first valve bodies 310, the radial first valve bodies 310 and the axial first valve bodies 310 are arranged at intervals, as shown in fig. 8, four sides of the shock absorbing shell 200 are respectively provided with a fixing frame 203, the fixing frames 203 fix the radial first valve bodies 310 through a connecting plate of a first assembling shell 311, and one end, far away from the buffer structure, of a transmission rod 314 of the radial first valve body 310 is provided with a fitting piece 520; the second connecting piece 500 is arranged on the assembly structure 100 corresponding to the mating piece 520, and the second connecting piece 500 can move along any direction relative to the mating piece 520, and the structure has buffering effect in different directions because the vibration direction of the vibration source body is any direction which is uncertain; in this embodiment, the end of the second connecting member 500 away from the assembly structure 100 is a U-shaped structure, two side plates of the U-shaped structure are parallel to the plane of the upper shell 201, and the fitting member 520 is disposed in the cavity of the U-shaped structure and has a gap with the two side plates of the U-shaped structure.
The second valve body 330 is connected through a communicating pipe 320 and distributed on the periphery of the damping shell 200, when in use, the buffer cavity 312 is filled with hydraulic oil, the second inlet/outlet 333 is connected with a hydraulic oil storage device, the seismic source body is fixed in the assembly structure 100, or the seismic source body is fixed in the assembly structure 100 through the loading shell 800, the isolation plate 341 is moved through the control assembly 342, and the discharge port 334 is opened; in other embodiments of the present invention, a pressure sensor may be disposed in the assembly chamber 340, an output end of the pressure sensor is connected to the control component 342, during the use process, the movement of the isolation plate 341 is controlled by the pressure in the assembly chamber 340, and the relationship between the specific pressure and the movement distance of the isolation plate 341 may be determined through experiments; when vibration occurs, firstly, the vibration is absorbed through the connection of the first connecting piece 400 and the axial first valve body 310 and the matching of the second connecting piece 500 and the radial first valve body 310; the first connecting piece 400 is sleeved on the transmission rod 314 of the axial first valve body 310, the first connecting piece 400 can move radially relative to the transmission rod 314 and can also rotate around the transmission rod 314 to buffer vibration, and the transmission rod 314 rotates around the transmission rod 314 to limit and slow down vibration in multiple radial directions; the fitting piece 520 of the first valve body 310 in the radial direction is arranged in the U-shaped structure of the second connecting piece 500, a gap is reserved between the fitting piece 520 and the two side plates of the U-shaped structure, when the two side plates of the U-shaped structure vibrate along the axial direction, the fitting piece 520 limits the vibration amplitude of the two side plates, the vibration can be gradually reduced, and the damping effect is improved.
Secondly, when the vibration amplitude makes the driving rod 314 move, the structure of the seismic source diffusion valve 300 is further utilized for damping, specifically:
(1) Force in the direction from the first flat plate to the second flat plate is generated along the axial direction of the transmission rod 314, the pressure-bearing structure 315 is pushed by the transmission rod 314 to move towards the movable baffle 316, at the moment, the first elastic structure 313 is under the pulling force of the first annular structure 321, the second elastic structure 317 is under pressure, both buffering effects are achieved, and meanwhile, hydraulic oil enters the assembly cavity 340 of the second valve body from the first inlet/outlet 335 through the connecting hole and the communicating pipe 320;
when the vibration amplitude is small, the movement distance of the pressure-bearing structure 315 is short, and a small amount of hydraulic oil is discharged along the second inlet/outlet 333;
when the vibration amplitude is suddenly and greatly increased, the flow and the pressure of the hydraulic oil flowing into the assembly cavity 340 are simultaneously and greatly increased, and the second inlet/outlet 333 cannot be removed in time, so that the piston rod 338 is pushed by the increase of the local pressure to move towards the second return spring 339, the discharge port 334 is communicated at the moment, the hydraulic oil can flow out through the discharge port 334, and the second valve body 330 is prevented from being damaged due to the overhigh pressure in the assembly cavity 340.
(2) A force is generated in the axial direction of the transmission rod 314 from the second flat plate to the first flat plate, the first elastic structure 313 is compressed under pressure, meanwhile, the transmission rod 314 pulls the pressure-bearing structure 315 to move towards the second flat plate, the second elastic structure 317 recovers, the space between the pressure-bearing structure 315 and the movable baffle 316 is suddenly increased to generate a negative pressure, so that hydraulic oil flows into the first inlet/outlet 335 through the second inlet/outlet 333, because the resistance in hydraulic oil flowing is high, the piston rod 338 can move towards the first return spring 337 due to the high negative pressure, the first inlet/outlet 335 is blocked, the negative pressure is locally maintained, at this time, the bent flow cavity 332 communicating with the first inlet/outlet 335 communicates with the outside air through the assembly cavity 340 and the vent hole 336, so that the negative pressure of the first inlet/outlet 335 is balanced, and the piston rod 338 gradually recovers through the acting force of the first return spring to communicate the first inlet/outlet 335 with the second inlet/outlet 337;
when the driving rod 314 pulls the bearing structure 315 to move towards the second plate, the second elastic structure 317 is restored, the space between the bearing structure 315 and the movable baffle 316 is increased, and negative pressure is generated, because the volume of the second elastic structure 317 is limited, and the second elastic structure 317 is located in the closed space formed by the movable baffle 316 and the buffer housing 318, the volume of the second elastic structure 317 does not continuously increase, and the movable baffle 316 does not continuously move towards the direction close to the bearing structure 315.
The multi-direction seismic source diffusion valve shock absorber is characterized in that a plurality of groups of seismic source diffusion valves 300, first connecting pieces 400, second connecting pieces 500 and steel wire rope shock absorbers 700 which are arranged in multiple directions are integrated, buffering and limiting are carried out in multiple directions, the structure is stable, seismic sources diffuse fast, shock absorption time can be effectively shortened, and seismic source bodies are enabled to be fast and stable through buffering.
In other embodiments of the invention, the number of the source diffusion valves 300 can be increased or decreased as required, the axial first valve bodies 310 and the radial first valve bodies 310 are also arranged at intervals, the shape of the source diffusion valve 300 and the shape of the assembly structure 100 can be changed as required, and other structures, connection modes and using methods thereof are the same as those of the embodiment.
In other embodiments of the present invention, the first elastic structure 313 may not be connected to the first plate and the first ring-shaped structure 321, and the other structures are the same as the present embodiment, in which the first elastic structure 313 is compressed only when the transmission rod 314 moves from the second plate to the first plate, so as to have a buffering effect.
Claims (10)
1. The utility model provides a shock mitigation system of multi-angle which characterized in that:
the seismic source diffusion valve assembly comprises an assembly structure (100), a damping shell (200) and a plurality of groups of seismic source diffusion valves (300);
the shock absorption shell (200) is of a hollow structure, the assembly structure (100) is arranged in the hollow structure of the shock absorption shell (200) and is movably connected with the shock absorption shell (200), a plurality of first connecting pieces (400) and second connecting pieces (500) are arranged at the edge of the assembly structure (100) at intervals along the circumferential direction, and the assembly structure (100) is used for fixing a shock source body or a loading shell (800);
the seismic source diffusion valve (300) comprises first valve bodies (310), the first valve bodies (310) are uniformly distributed and fixed on the damping shell (200) along the circumferential direction, and each first valve body (310) comprises a transmission rod (314) and a buffer structure which are coaxially arranged; the axial line of part of the first valve body (310) is perpendicular to the plane of the shock absorption shell (200) and serves as the axial first valve body (310), and a transmission rod (314) of the axial first valve body (310) is movably connected with the first connecting piece (400); the axis of the other part of the first valve body (310) is arranged in parallel to the plane of the damping shell (200) and is used as a radial first valve body (310), and one end, away from the buffering structure, of the transmission rod (314) of the radial first valve body (310) is matched with the second connecting piece (500), so that the second connecting piece (500) can move in any direction relative to the transmission rod (314).
2. The multi-angle shock absorbing system of claim 1, wherein:
the shock absorption shell (200) comprises an upper shell (201), a lower shell (202) and a plurality of steel wire rope shock absorbers (700), which are arranged in parallel;
the upper shell (201) and the lower shell (202) are both hollow structures and are connected through a steel wire rope shock absorber (700), and the assembly structure (100) is arranged in the middle of the upper shell (201).
3. The multi-angle shock absorbing system of claim 2, wherein:
the transmission rod (314) is sleeved with a first assembly shell (311), a first elastic structure (313) and a first annular structure (321), and the first assembly shell (311) comprises a first flat plate and a second flat plate which are sleeved on the transmission rod (314) and a connecting plate which is connected with the first flat plate and the second flat plate; the first elastic structure (313) is positioned between the first flat plate and the second flat plate, and the first annular structure (321) is fixed at one end of the first elastic structure (313) close to the second flat plate;
the buffer structure comprises a buffer shell (318) connected to one side, far away from the first flat plate, of the second flat plate, a buffer cavity (312) arranged in the buffer shell (318), and a pressure-bearing structure (315), a movable baffle (316) and a second elastic structure (317) which are axially and sequentially arranged in the buffer cavity (312); the buffer shell (318) is connected with the end face of the second flat plate and is provided with a through hole, and the transmission rod (314) penetrates through the through hole and is connected with the pressure-bearing structure (315); the movable baffle (316) and the second elastic structure (317) are arranged at one end far away from the second flat plate;
the side wall of the buffer shell (318) is provided with a communication hole (319), and the communication hole (319) is positioned close to the movable baffle (316).
4. The multi-angle shock absorbing system of claim 3, wherein:
the axial first valve body (310) is fixed on the upper shell (201) through a second flat plate, and the radial first valve body (310) is fixed on the upper shell (201) through the connecting plate;
the axial first valve body (310) and the radial first valve body (310) are arranged at intervals and are uniformly distributed along the periphery of the upper shell (201).
5. The multi-angle shock absorbing system of claim 4, wherein:
the valve assembly structure further comprises a second annular structure (322), the second annular structure (322) is fixed on the transmission rod (314) of the first valve body (310) in the axial direction and located between the first annular structure (321) and the second flat plate, a waist-shaped hole is formed in one end, away from the assembly structure (100), of the first connecting piece (400), the first connecting piece (400) is sleeved on the transmission rod (314) through the waist-shaped hole and located between the first annular structure (321) and the second annular structure (322).
6. The multi-angle shock absorbing system according to any one of claims 2 to 5, wherein:
the valve further comprises a fitting piece (520), and the fitting piece (520) is arranged at the end, far away from the second flat plate, of the transmission rod (314) of the first valve body (310) in the radial direction;
one end, far away from the assembly structure (100), of the second connecting piece (500) is of a U-shaped structure, two side plates of the U-shaped structure are parallel to the plane of the upper-layer shell (201), and the matching piece (520) is arranged in a cavity of the U-shaped structure and is spaced from the two side plates of the U-shaped structure.
7. The multi-angle shock absorbing system of claim 6, wherein:
the source diffusion valve (300) further comprises a communicating pipe (320) and a second valve body (330);
the second valve body (330) comprises a second assembly housing (331), an assembly cavity (340) and a bent flow-through cavity (332) which are arranged in the second assembly housing (331), a piston rod (338) which is arranged in the assembly cavity (340), and a first inlet and outlet (335), a second inlet and outlet (333), a discharge port (334) and a vent port (336) which are arranged on the second assembly housing (331);
the first inlet and outlet (335), the second inlet and outlet (333), the discharge port (334) and the vent (336) are communicated with the assembly cavity (340), the first inlet and outlet (335) and the second inlet and outlet (333) are arranged in a manner of being vertical to the assembly cavity (340) in the axial direction and opposite to each other, the discharge port (334) and the second inlet and outlet (333) are arranged in parallel, and the vent (336) is arranged at one end far away from the first inlet and outlet (335);
the bent circulation cavity (332) is arranged on one side of the assembly cavity (340), one end of the bent circulation cavity (332) is communicated with the first inlet and outlet (335), and the other end of the bent circulation cavity (332) is arranged at a position close to the vent hole (336) and communicated with the assembly cavity (340);
a first return spring (337) and a second return spring (339) are respectively arranged at two ends of the piston rod (338) along the axial direction; when the piston rod (338) does not move, the communication position of the first inlet/outlet (335) and the assembly cavity (340) and the communication position of the second inlet/outlet (333) and the assembly cavity (340) are opposite to the first return spring (337); the communication part of the discharge port (334) and the assembly cavity (340) is opposite to one end of the piston rod (338) close to the first return spring (337); the connecting part of the other end of the bent circulation cavity (332) and the assembly cavity (340) is opposite to one end of the piston rod (338) close to the second return spring (339), and the connecting part of the vent hole (336) and the assembly cavity (340) is opposite to the second return spring (339); a plurality of sealing rings are arranged on the side surface of the piston rod (338), and are respectively positioned between the second inlet/outlet (333) and the discharge port (334) and on two sides of the communication part of the other end of the bent circulation cavity (332) and the assembly cavity (340);
one end of the communication pipe (320) is communicated with the communication hole (319), and the other end is communicated with the first inlet and outlet (335).
8. The multi-angle shock mitigation system of claim 7, wherein:
the device also comprises a partition plate (341) arranged perpendicular to the axis of the discharge port (334) and a control assembly (342) for controlling the partition plate (341);
the control assembly (342) is used for controlling the movement of the isolation plate (341).
9. The multi-angle shock absorbing system of claim 8, wherein:
assembly structure (100) are connected through multiunit connecting spring (600) with upper casing (201), and each group connecting spring (600) all includes that the symmetry sets up two connecting spring (600) in radial first valve body (310) axis both sides, and connecting spring (600) one end is connected on upper casing (201), the other end is connected on the curb plate that U type structure is close to lower floor's casing (202).
10. The multi-angle shock absorbing system of claim 9, wherein:
the device also comprises a pressure sensor arranged in the assembly cavity (340), and the output end of the pressure sensor is connected with a control component (342).
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CN202210868180.XA CN115263983A (en) | 2022-07-22 | 2022-07-22 | Multi-angle damping system |
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