CN114623361B - Laser radar hoisting vibration isolation device and vibration isolation method thereof - Google Patents

Laser radar hoisting vibration isolation device and vibration isolation method thereof Download PDF

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Publication number
CN114623361B
CN114623361B CN202011468168.7A CN202011468168A CN114623361B CN 114623361 B CN114623361 B CN 114623361B CN 202011468168 A CN202011468168 A CN 202011468168A CN 114623361 B CN114623361 B CN 114623361B
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China
Prior art keywords
vibration
plate
rotary
laser radar
fixedly connected
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CN202011468168.7A
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Chinese (zh)
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CN114623361A (en
Inventor
张强
张海泉
冯宇翔
付晨
张小富
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Shandong Free Optics Technology Co ltd
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Shandong Free Optics Technology Co ltd
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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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • 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
    • 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
    • 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
    • F16F15/08—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 rubber springs ; with springs made of rubber and metal
    • 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
    • F16F15/08—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 rubber springs ; with springs made of rubber and metal
    • F16F15/085—Use of both rubber and metal springs
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a laser radar hoisting vibration isolation device and a vibration isolation method thereof, belongs to the technical field of buffer devices, and solves the problem that a laser radar installed on equipment is easy to be impacted when the equipment is hoisted in the prior art. The hoisting vibration isolation device is arranged on equipment through the hoisting base, the hoisting base is connected with the rotary lifting hook, the supporting plate is arranged below the rotary lifting hook, the supporting plate is connected with the vibration reduction plate through the vibration isolator, and the rotary lifting hook penetrates through the vibration reduction plate to be connected with the hoisting base; a connecting flange is fixedly arranged below the vibration reduction plate and penetrates through the supporting plate to be connected with the mounting bracket; the laser radar is arranged on the mounting bracket, and buffer vibration isolation is carried out through the vibration isolator during hoisting. The invention realizes the elastic installation of the laser radar, so that the laser radar is not affected by vibration impact.

Description

Laser radar hoisting vibration isolation device and vibration isolation method thereof
Technical Field
The invention relates to the technical field of laser radar installation, in particular to a laser radar hoisting vibration isolation device and a vibration isolation method thereof.
Background
The laser radar is a radar system for detecting the characteristic quantities such as the position and the speed of a target by emitting a laser beam. The working principle is that a detection signal (laser beam) is emitted to a target, then a received signal (target echo) reflected from the target is compared with the emission signal, and after proper processing, the related information of the target, such as parameters of the target, such as the distance, the azimuth, the altitude, the speed, the gesture, the even the shape and the like, can be obtained, so that the targets of an airplane, a missile and the like are detected, tracked and identified.
The existing laser radar is installed by adopting a mounting bracket, but the laser radar is fixed on equipment through the mounting bracket, and the phenomenon of damage to the radar or detection failure is easy to occur under the condition of vibration impact.
For example: when the container is assembled by the ship wharf, the laser radar is required to be used for ranging and position monitoring, but vibration impact is easy to occur in the hoisting process, and the radar is easy to be damaged by the vibration impact.
Therefore, there is a need to provide a lidar mount that can reduce vibration impact, and in the case where the apparatus main body receives vibration impact, the vibration impact is not transmitted to the radar main body, and the radar is protected from damage.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a laser radar hoisting vibration isolation device and a vibration isolation method thereof, which are used for solving the problem that the laser radar is easily damaged by vibration under the condition of vibration impact load on the existing laser radar installation equipment main body.
The aim of the invention is mainly realized by the following technical scheme:
A lidar hoist and mount vibration isolation device, comprising: the vibration isolator comprises a rotary hoisting mechanism, a supporting plate, a vibration isolator and a vibration reduction plate; one end of the rotary hoisting mechanism is fixedly connected with equipment needing to be provided with the laser radar, and the other end of the rotary hoisting mechanism is fixedly connected with the supporting plate; the supporting plate is connected with the vibration reduction plate through a vibration isolator with buffering and vibration isolation functions; the laser radar is mounted on the vibration reduction plate.
Further, a second through hole is formed in the vibration reduction plate; the rotary hoisting mechanism passes through the second through hole.
The support plate is provided with a first through hole; a radar installation mechanism is fixedly arranged below the vibration reduction plate and penetrates through the first through hole; the rotary hoisting mechanism and the radar mounting mechanism are mutually sleeved and partially overlapped;
further, the rotary hoisting mechanism includes: the lifting hook is rotated and the base is hoisted.
Further, one end of the rotary lifting hook is fixedly arranged above the supporting plate, and the other end of the rotary lifting hook penetrates through the second through hole and is fixedly connected with the lifting base.
The rotary lifting hook is cylindrical and provided with a plurality of lifting hooks which are circumferentially distributed; the lifting hooks upwards penetrate through the second through holes to be fixedly connected with the lifting base, and the number of the second through holes is the same as that of the lifting hooks.
The lifting hook is provided with a positioning hole and a threaded hole; the lifting base is provided with a positioning column which can be clamped into the positioning hole; and a bolt is arranged in the threaded hole, and the lifting base is connected with the lifting hook through the bolt.
Further, the vibration isolator includes: an upper fixing plate, a steel wire rope and a lower fixing plate.
Further, the upper fixing plate is fixedly connected with the vibration reduction plate; the lower fixing plate is fixedly connected with the supporting plate; the wire rope sets up between upper fixed plate and the lower fixed plate.
Further, the below of damping board is fixed to be set up radar installation mechanism, and radar installation mechanism includes: a connecting flange and a mounting bracket.
Further, one end of the connecting flange is fixedly connected with the vibration reduction plate, and the other end of the connecting flange penetrates through the supporting plate to be fixedly connected with the mounting bracket; the laser radar is fixedly arranged on the mounting bracket.
The first through hole is a circular through hole; the connecting flange is sleeved inside the rotary hoisting mechanism and downwards penetrates through the first through hole.
Further, the second through hole is an arc through hole.
A vibration isolation method for a hoisting vibration isolation device adopts the hoisting vibration isolation device to conduct vibration isolation of a laser radar, and comprises the following steps:
Step S1: the rotary lifting hook is fixedly connected with the supporting plate, and the upper end of the connecting flange is fixedly connected with the vibration reduction plate; the lifting hook of the rotary lifting hook penetrates through the vibration reduction plate and is fixedly connected with the lifting base; the connecting flange penetrates through the supporting plate and is fixedly connected with the mounting bracket;
Step S2: mounting the vibration isolator between the vibration damping plate and the support plate;
step S3: fixedly mounting the hoisting base on equipment, and fixedly mounting the laser radar on a mounting bracket;
Step S4: when the equipment is impacted by a load, the vibration isolation device is hoisted to perform buffering vibration isolation, so that the laser radar is not impacted.
The technical scheme of the invention can at least realize one of the following effects:
1. The hoisting vibration isolation device is arranged on equipment through the hoisting base, the hoisting base is connected with the rotary lifting hook, the supporting plate is arranged below the rotary lifting hook, the supporting plate is connected with the vibration reduction plate through the vibration isolator, and the rotary lifting hook penetrates through the vibration reduction plate to be connected with the hoisting base; a connecting flange is fixedly arranged below the vibration reduction plate and penetrates through the supporting plate to be connected with the mounting bracket; the laser radar is arranged on the mounting bracket, and buffer vibration isolation is carried out through the vibration isolator during hoisting. The invention realizes the elastic installation of the laser radar, so that the laser radar is not affected by vibration impact.
2. According to the hoisting vibration isolation device, the steel wire rope vibration isolator is used for buffering and isolating vibration impact, and the steel wire rope can be bent in the horizontal direction, bent in the vertical direction and subjected to circumferential torsion movement, so that the hoisting vibration isolation device can buffer and isolate horizontal load, vertical load/longitudinal load or torsional load, the laser radar is prevented from being damaged by vibration, and the structural stability of the radar is protected to the greatest extent.
3. According to the lifting vibration isolation device, when equipment is lifted integrally, the lifting vibration isolation device is subjected to vertical upward longitudinal load, the supporting plate is fixed with the equipment into a whole through the rotary lifting mechanism and moves upwards along with the equipment, and the vibration reduction plate cannot immediately displace under the buffer effect of the vibration isolator, so that the supporting plate moves towards the vibration reduction plate, the vibration isolator is compressed, and the lifting vibration isolation device converts the existing tensile vibration isolation into the compression suspension vibration isolation, so that the vibration isolation effect is better, and the shock resistance vibration isolation requirement of the laser radar can be met.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic structural view of a laser radar hoisting vibration isolation device of the invention;
FIG. 2 is a rotary hoisting mechanism;
FIG. 3 is a support plate and attachment flange;
FIG. 4 is a diagram of the positional relationship of a vibration damping plate and a rotating hook;
fig. 5 is a vibration isolator.
Reference numerals: 1-a rotary hoisting mechanism; 2-supporting plates; 3-vibration isolator; 4-a vibration damping plate; 5-connecting flanges; 6-mounting a bracket; 7-rotating the lifting hook; 8-hoisting the base; 9-a lower fixing plate; 10-a steel wire rope; 11-upper fixing plate.
Detailed Description
The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.
Example 1
The invention discloses a laser radar hoisting vibration isolation device, which comprises: the vibration isolator comprises a rotary hoisting mechanism 1, a supporting plate 2, a vibration isolator 3 and a vibration reduction plate 4; the rotary hoisting mechanism 1 is fixedly connected with equipment needing to be provided with the laser radar; the vibration reduction plate 4 is arranged above the supporting plate 2, and the rotary hoisting mechanism 1 passes through the vibration reduction plate 4 and is fixedly connected with the supporting plate 2; the vibration reduction plate 4 is connected with the support plate 2 through the vibration isolator 3, the vibration isolator 3 is elastic vibration reduction laser, and the laser radar is arranged on the vibration reduction plate 4 through the mounting bracket 6 and the connecting flange 5.
According to the laser radar hoisting vibration isolation device, when vibration impact is received, the supporting plate 2 and the rotary hoisting mechanism 1 vibrate vertically and instantaneously to a large extent, and due to the buffer effect of the vibration isolator 3, the vibration damping plate 4 can be kept in situ under the inertia effect, and the vibration impact is buffered and isolated through the hoisting vibration isolation device, so that the laser radar is prevented from being damaged.
In one embodiment of the present invention, the rotary hoisting mechanism 1 comprises: a rotary hook 7 and a lifting base 8.
The lifting base 8 is fixedly connected with equipment needing to be provided with the laser radar through screws, and the whole lifting vibration isolation device is arranged on the equipment through the fixed connection between the lifting base 8 and the equipment.
Further, the rotary lifting hook 7 comprises at least three lifting hooks, at least three fixing rods are uniformly distributed on the circumference of the lower portion of the lifting base 8, and the fixing rods of the lifting base 8 are in one-to-one correspondence with the lifting hooks of the rotary lifting hook 7 and are fixedly connected with each other. At least 3 reserved through holes are uniformly formed in the vibration reduction plate 4, and the at least 3 lifting hooks on the rotary lifting hooks 7 penetrate through the at least 3 reserved through holes to be connected with the lifting base 8 in a matched mode.
Preferably, as shown in fig. 2, four hooks are uniformly distributed on the circumference of the rotary lifting hook 7, the hooks are connected with a fixing rod on the lifting base 8 through shaft holes in a matched manner, positioning columns are arranged on the side surfaces of the fixing rod, positioning holes are formed in the hooks, and as shown in fig. 2, the positioning columns are screwed into the positioning holes through the rotary lifting base 8, so that the rotary lifting hook 7 and the lifting base 8 are installed in place.
Further, a first threaded hole is formed in the fixing rod and located below the positioning column, a second threaded hole is formed in the lifting hook and located below the positioning hole, and screws are installed in the first threaded hole and the second threaded hole; the lifting base 8 is fixedly connected with the rotary lifting hook 7 through screws so as to prevent the lifting base from being axially separated along the lifting hook.
Further, as shown in fig. 4, a vibration damping plate 4 is provided above the support plate 2; the vibration reduction plate 4 is provided with through holes which can allow the rotary hooks 7 to pass through, and the number of the through holes is the same as the number of the hooks on the rotary hooks 7. The lifting hook base at the bottom of the rotary lifting hook 7 is fixedly connected with the supporting plate 2 in a welding or bolt connection mode.
That is, as shown in fig. 4, the bottom of the rotating hook 7 is fixedly connected with the supporting plate 2, and the hook at the upper part of the rotating hook 7 passes through the second through hole on the vibration reduction plate 4 and is fixedly connected with the lifting base 8 through a bolt.
Further, the through holes on the vibration reduction plate 4 are designed to be arc-shaped, the arc-shaped through holes can allow a certain rotation space of the rotary lifting hook 7, and on the premise that the vibration isolator 3 can transversely twist, the hoisting vibration isolation device can resist longitudinal impact load and has a certain capability of resisting transverse vibration impact.
Further, in a specific embodiment of the present invention, the connecting flange 5 and the mounting bracket 6 are installed below the vibration damping plate 4; the upper end of the connecting flange 5 is fixedly connected with the vibration reduction plate 4 through bolts, and the lower end of the connecting flange 5 is fixedly connected with the mounting bracket 6 through welding or bolts.
Further, as shown in fig. 3, the support plate 2 is provided with a first through hole, which is a circular through hole, and the circular through hole can allow the connection flange 5 to pass through. I.e. the size of the circular through-hole is larger than the largest outer diameter of said connecting flange 5.
Further, the rotating hook 7 is located at the outer side of the connecting flange 5, or the connecting flange 5 is sleeved inside the hooks.
The upper end of the connecting flange 5 is fixedly connected with the vibration reduction plate 4, and the lower end of the connecting flange 5 penetrates through the first through hole (circular through hole) and is fixedly connected with the mounting bracket 6 through welding or bolts.
Further, the laser radar is fixedly installed on the installing support 6, so that the installation and the fixation between the laser radar and the hoisting vibration isolation device are realized, the hoisting base 8 is arranged on a structure or equipment needing to be installed with the laser radar, the installation and the fixation between the hoisting vibration isolation device and the equipment are realized, and the installation of the laser radar on the equipment is completed.
According to the invention, the vibration isolator is used for buffering and isolating vibration, when the equipment runs or is hoisted, longitudinal load generated on the equipment is transmitted to the vibration isolator, the hoisting base 8, the rotary hook 7 and the support plate 2 of the vibration isolator are fixed with the equipment into a whole to synchronize the equipment to move, the laser radar is fixed with the vibration damper plate 4 into a whole through the mounting bracket 6 and the connecting flange 5, the vibration isolator 3 is arranged between the vibration damper plate 4 and the support plate 2, and the vibration damper plate 4 can maintain the original state through the buffering and isolating effect of the vibration isolator 3. Further, under the condition that the equipment is impacted by the load, the laser radar can be prevented from being affected by the impact load, the original state is kept continuously, the laser radar main body is protected, and meanwhile the working stability of the radar is guaranteed.
The vibration isolators 3 are arranged on the supporting plate, are steel wire rope vibration isolators or other vibration isolators, are at least 3 in number and are uniformly arranged on the vibration reduction plate 4 and the supporting plate 2;
In one embodiment of the present invention, vibration isolators 3 are installed between the vibration damping plate 4 and the support plate 2, and four vibration isolators 3 are installed at four corners of the vibration damping plate 4 and the support plate 2, respectively.
Specifically, as shown in fig. 1, mounting holes are formed in four corners of the vibration damping plate 4 and the supporting plate 2, and two ends of the vibration isolator 3 are fixedly connected with the vibration damping plate 4 and the supporting plate 2 respectively.
In one embodiment of the present invention, the vibration isolator 3 of the present invention may employ springs, elastic members, wire rope vibration isolators, or other vibration damping structures.
Further, the vibration isolator 3 of the present invention is not limited to a wire rope vibration isolator, but may be a spring vibration isolator, a rubber vibration isolator, a damping vibration isolator, a composite vibration isolator, or the like having a certain impact resistance and vibration isolation function.
Preferably, in one embodiment of the present invention, the vibration isolator 3 is a wire rope vibration isolator, and the specific structure is shown in fig. 5, and the vibration isolator 3 includes an upper fixing plate 11, a lower fixing plate 9 and a wire rope 10. The lower fixing plate 9 of the vibration isolator 3 is arranged on the supporting plate 2, and the vibration damping plate 4 is arranged on the upper fixing plate 11 of the vibration isolator 3.
Specifically, the wire ropes 10 of the vibration isolator 3 are disposed between the upper fixing plate 11 and the lower fixing plate 9, and two ends of the wire ropes 10 are fixedly connected with the upper fixing plate 11 and the lower fixing plate 9 respectively, the fixing manner can be welding or bonding, and a plurality of wire ropes 10 are disposed between the upper fixing plate 11 and the lower fixing plate 9, preferably, as shown in fig. 5, the number of the wire ropes 10 on the vibration isolator 3 is 4.
Further, the upper fixing plate 11 is fixedly connected with the vibration reduction plate 4 in a welding or bolting mode.
Further, the lower fixing plate 9 is fixedly connected with the support plate 2 by welding or bolting.
The vibration isolator 3 is a steel wire rope vibration isolator, and the steel wire rope 10 can be twisted or bent, so that the steel wire rope vibration isolator is a vibration isolator with multiple degrees of freedom, is not limited by any degree of freedom, can longitudinally compress and resist longitudinal vibration impact load, and can realize certain torsional movement and resist certain transverse impact vibration.
Further, in order to enhance the vibration isolation effect of the hoisting vibration isolation device of the invention, elastic rubber is arranged between the circular arc-shaped through holes of the rotary hook 7 and the vibration reduction plate 4, and two ends of the elastic rubber are respectively adhered and fixed with the rotary hook 7 and the vibration reduction plate 4.
Further, the elastic rubber adopts multi-stage elastic rubber, namely the elastic rubber has multiple layers; the heights of the multistage elastic rubber are gradually increased (or decreased) step by step, the height difference of each stage is 1cm-3cm, and the effective absorption and buffering of vibration energy can be realized through the arrangement of the stage difference; for example: when the elastic rubber has two stages, two layers of elastic rubber are arranged between the rotary lifting hook 7 and the vibration reduction plate 4, namely, the connection point of the second-stage elastic rubber and the rotary lifting hook 7 is higher than the connection point of the first-stage elastic rubber and the rotary lifting hook 7.
Likewise, a plurality of stages of elastic rubber is provided between the connection flange 5 and the support plate 2.
According to the invention, multistage buffering is performed through the vibration isolator 3 and the elastic rubber, vibration impact is buffered through the vibration isolator 3 to avoid damaging the laser radar, and energy generated by the vibration impact is absorbed through the elastic rubber, so that the laser radar is not influenced by the vibration impact, and meanwhile, the vibration isolation device is hoisted to be stable in the shortest time.
In the course of the implementation thereof,
The hoisting vibration isolation device can buffer and isolate load impact transmitted by equipment, and specifically:
1) When the hoisting vibration isolation device is impacted by transverse load: the supporting plate 2 is transversely displaced in synchronization with the main body of the equipment, the vibration isolator 3 is used for buffering and isolating transverse loads, the steel wire rope 10 of the vibration isolator 3 is transversely twisted, the vibration damping plate 4 and the laser radar are not displaced or only slightly displaced, and the stability of the laser radar is maintained.
At this time, the support plate 2 is displaced laterally relative to the damper plate 4, and the hooks of the swivel hooks 7 are laterally offset in the through holes of the damper plate 4.
2) When the hoisting vibration isolation device is impacted by longitudinal load, the hoisting vibration isolation device comprises a main body and a main body: the supporting plate 2 is longitudinally displaced in synchronization with the equipment main body, the steel wire rope 10 of the vibration isolator 3 is longitudinally compressed or stretched, the vibration reduction plate 4 and the laser radar are not displaced or only slightly displaced, and the stability of the laser radar is maintained.
At this time, the vibration-damping plate 4 and the support plate 2 are longitudinally relatively displaced, and the rotating hooks 7 slide up and down in the through holes of the vibration-damping plate 4.
3) When the hoisting vibration isolation device is impacted by the longitudinal load and the transverse load transmitted by the equipment at the same time: the supporting plate 2 is displaced in synchronization with the main body of the device, the steel wire rope 10 of the vibration isolator 3 is simultaneously twisted transversely and compressed longitudinally/stretched, the vibration reduction plate 4 and the laser radar are not displaced or only slightly displaced, and the stability of the laser radar is maintained.
4) When the hoisting vibration isolation device is subjected to torsional impact: the whole supporting plate 2 synchronously performs torsion movement, the steel wire rope 10 of the vibration isolator 3 performs torsion to buffer torsion load, at the moment, the lifting hook of the rotary lifting hook 7 can relatively rotate in the circular arc-shaped through hole on the vibration reduction plate 4 to release the torsion load, and the vibration reduction plate 4 and the laser radar are kept free from the impact of the torsion load.
Example 2
In another embodiment of the present invention, a vibration isolation method for hoisting a vibration isolation device is provided, and the hoisting vibration isolation device of embodiment 1 is used for installing a laser radar, including the following steps:
step S1: the rotary lifting hook 7 is fixedly connected with the supporting plate 2, and the upper end of the connecting flange 5 is fixedly connected with the vibration reduction plate 4; further, a lifting hook of the rotary lifting hook 7 penetrates through the vibration reduction plate 4 to be fixedly connected with the lifting base 8; the connecting flange 5 penetrates through the supporting plate 2 to be fixedly connected with the mounting bracket 6;
step S2: mounting vibration isolator 3 between vibration damping plate 4 and support plate 2;
step S3: fixedly mounting the hoisting base 8 on equipment, and fixedly mounting the laser radar on the mounting bracket 6;
Step S4: when the equipment is impacted by a load, the vibration isolation device is hoisted to perform buffering vibration isolation, so that the laser radar is not impacted.
Specifically, in the step S1, the lower end of the rotating hook 7 is connected with the support plate 2 through a bolt; the vibration damping plate 4 is connected with the upper end of the connecting flange 5 through bolts.
In the step S1, the lifting base 8 is rotated to clamp the positioning column into the positioning hole on the rotary hook 7, so as to position the lifting base 8 and the rotary hook 7; further, the lifting base 8 and the rotary lifting hook 7 are fastened and connected through bolts, and the rotary lifting mechanism 1 is installed.
According to the rotary lifting mechanism 1, the lifting base 8 and the rotary lifting hook 7 are installed in a mode that a positioning column and a positioning hole are clamped, positioned and connected through bolts, so that quick positioning and quick installation can be realized.
After the installation is completed, the lifting base 8, the rotary lifting hook 7 and the supporting plate 2 are fixed into a whole; the mounting bracket 6, the connecting flange 5 and the vibration damping plate 4 are fixed into a whole.
Specifically, in the step S2, the upper fixing plate 11 of the vibration isolator 3 is connected to the vibration damping plate 4 by bolts; the lower fixing plate 9 of the vibration isolator 3 is connected with the support plate 2 by bolts.
In the step S2, the vibration isolators 3 are installed at four corners of the vibration damping plate 4 and the support plate 2, respectively.
Specifically, in the step S3, the hoisting base 8 is connected with the equipment by a screw; the laser radar is connected with the mounting bracket 6 through screws.
Specifically, in the step S4, the step of hoisting the vibration isolation device to receive the load impact from the equipment includes: transverse load, longitudinal load, and both transverse load and longitudinal and torsional load;
When the hoisting vibration isolation device is impacted by transverse load: the supporting plate 2 transversely moves relative to the vibration reduction plate 4, and the steel wire rope 10 of the vibration isolator 3 transversely bends; while the hooks of the swivel hooks 7 are laterally displaced in the through holes of the vibration-damping plate 4.
When the hoisting vibration isolation device is impacted by longitudinal load, the hoisting vibration isolation device comprises a main body and a main body: the supporting plate 2 longitudinally moves relative to the vibration reduction plate 4, and the steel wire rope 10 of the vibration isolator 3 longitudinally compresses or stretches; at the same time, the rotary hook 7 is displaced longitudinally relative to the vibration-damping plate 4, the hook sliding up and down in the through-hole of the vibration-damping plate 4.
When the hoisting vibration isolation device is impacted by transverse load and longitudinal load at the same time: the supporting plate 2 simultaneously performs transverse displacement and longitudinal movement relative to the vibration reduction plate 4, and the steel wire rope 10 of the vibration isolator 3 performs transverse movement and longitudinal movement; at the same time, the rotary hook 7 is displaced laterally and longitudinally relative to the vibration-damping plate 4, and the hook moves laterally in the through hole of the vibration-damping plate 4 while sliding up and down.
When the hoisting vibration isolation device is impacted by torsional load: the supporting plate 2 rotates relatively to the vibration reduction plate 4, and the steel wire rope 10 of the vibration isolator 3 is twisted; and simultaneously, the lifting hook of the rotary lifting hook 7 slides along the circular arc direction in the circular arc-shaped through hole.
Compared with the prior art, when the laser radar hoisting vibration isolation device provided by the invention bears external vertical impact vibration in the actual hoisting use process, the supporting plate 2 and the rotary hoisting mechanism 1 vibrate vertically instantaneously and greatly, and due to the buffer effect of the vibration isolator 3, the vibration damping plate 4, the connecting flange 5 and the mounting bracket 6 of the laser radar can be kept in situ under the inertia effect.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (2)

1. Laser radar hoist and mount vibration isolator, its characterized in that includes: the vibration isolator comprises a rotary hoisting mechanism (1), a supporting plate (2), a vibration isolator (3) and a vibration reduction plate (4); one end of the rotary hoisting mechanism (1) is fixedly connected with equipment needing to be provided with the laser radar, and the other end of the rotary hoisting mechanism is fixedly connected with the supporting plate (2); the supporting plate (2) is connected with the vibration reduction plate (4) through a vibration isolator (3) with buffering and vibration isolation functions; the laser radar is arranged on the vibration reduction plate (4);
The vibration reduction plate (4) is provided with a second through hole; the rotary hoisting mechanism (1) passes through the second through hole; the second through hole is an arc through hole;
The rotary hoisting mechanism (1) comprises: a rotary lifting hook (7) and a lifting base (8); one end of the rotary lifting hook (7) is fixedly arranged above the supporting plate (2), and the other end of the rotary lifting hook penetrates through the second through hole and is fixedly connected with the lifting base (8);
the rotary lifting hook (7) is cylindrical and provided with a plurality of lifting hooks which are circumferentially distributed; the lifting hooks upwards penetrate through the second through holes to be fixedly connected with the lifting base (8), and the number of the second through holes is the same as that of the lifting hooks;
The lifting hook is connected with a fixed rod on the lifting base (8) in a matching way through a shaft hole, a positioning column is arranged on the side face of the fixed rod, and a positioning hole is formed in the lifting hook; the positioning column is screwed into the positioning hole through the rotary lifting base (8), so that the rotary lifting hook (7) and the lifting base (8) are installed in place;
the fixing rod is provided with a first threaded hole positioned below the positioning column, the lifting hook is provided with a second threaded hole positioned below the positioning hole, and screws are arranged in the first threaded hole and the second threaded hole; the lifting base (8) is fixedly connected with the rotary lifting hook (7) through a screw;
Elastic rubber is arranged between the rotary lifting hook (7) and the circular arc-shaped second through hole of the vibration reduction plate (4), and two ends of the elastic rubber are respectively adhered and fixed with the rotary lifting hook (7) and the vibration reduction plate (4); the elastic rubber adopts multistage elastic rubber, namely the elastic rubber has multiple layers;
The vibration isolator (3) comprises: an upper fixing plate (11), a steel wire rope (10) and a lower fixing plate (9); the upper fixing plate (11) is fixedly connected with the vibration reduction plate (4); the lower fixing plate (9) is fixedly connected with the supporting plate (2); the steel wire rope (10) is arranged between the upper fixing plate (11) and the lower fixing plate (9);
A connecting flange (5) and a mounting bracket (6) are fixedly arranged below the vibration reduction plate (4); one end of the connecting flange (5) is fixedly connected with the vibration reduction plate (4), and the other end of the connecting flange (5) penetrates through the supporting plate (2) to be fixedly connected with the mounting bracket (6); the laser radar is fixedly arranged on the mounting bracket (6).
2. A vibration isolation method of a hoisting vibration isolation device, characterized in that the hoisting vibration isolation device of claim 1 is used for vibration isolation of a laser radar, comprising the following steps:
Step S1: the rotary lifting hook (7) is fixedly connected with the supporting plate (2), and the upper end of the connecting flange (5) is fixedly connected with the vibration reduction plate (4); the lifting hook of the rotary lifting hook (7) penetrates through the vibration reduction plate (4) and is fixedly connected with the lifting base (8); the connecting flange (5) penetrates through the supporting plate (2) and is fixedly connected with the mounting bracket (6);
step S2: the vibration isolator (3) is arranged between the vibration reduction plate (4) and the supporting plate (2);
Step S3: fixedly mounting the hoisting base (8) on equipment, and fixedly mounting the laser radar on the mounting bracket (6);
Step S4: when the equipment is impacted by a load, the vibration isolation device is hoisted to perform buffering vibration isolation, so that the laser radar is not impacted.
CN202011468168.7A 2020-12-14 2020-12-14 Laser radar hoisting vibration isolation device and vibration isolation method thereof Active CN114623361B (en)

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