CN114623361A - 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 PDFInfo
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- CN114623361A CN114623361A CN202011468168.7A CN202011468168A CN114623361A CN 114623361 A CN114623361 A CN 114623361A CN 202011468168 A CN202011468168 A CN 202011468168A CN 114623361 A CN114623361 A CN 114623361A
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- 238000002955 isolation Methods 0.000 title claims abstract description 72
- 238000013016 damping Methods 0.000 claims abstract description 56
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 abstract description 15
- 229920001971 elastomer Polymers 0.000 description 15
- 239000005060 rubber Substances 0.000 description 14
- 238000003466 welding Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
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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
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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
- F16F15/04—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
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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
- F16F15/08—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
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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
- F16F15/08—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
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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
- 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
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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
- 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
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- 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 buffering devices, and solves the problem that a laser radar installed on equipment is easily 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 and is connected with the hoisting base; a connecting flange is fixedly arranged below the vibration damping plate and penetrates through the supporting plate to be connected with the mounting bracket; the laser radar is installed on the mounting bracket, and is buffered and isolated through the vibration isolator during hoisting. The invention realizes the elastic installation of the laser radar, so that the laser radar is not influenced by vibration and impact.
Description
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 that detects a characteristic amount such as a position and a velocity 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 emitted signal, and after appropriate processing, relevant information of the target, such as target distance, azimuth, height, speed, attitude, even shape and other parameters, can be obtained, so that the targets of airplanes, missiles and the like are detected, tracked and identified.
The existing laser radar is installed by adopting an installation support, but the laser radar is fixed on equipment through the installation support, and under the condition of vibration and impact, the phenomenon of radar damage or failure detection easily occurs.
For example: when the ship wharf assembles the container, the laser radar is needed to be used for ranging and position monitoring, but vibration impact easily occurs in the hoisting process, and the vibration impact easily damages the radar.
Therefore, it is desirable to provide a lidar mounting base that can alleviate the vibration impact, so that the vibration impact can not be transmitted to the radar main body under the condition that the equipment main body is subjected to the vibration impact, and the radar is protected from being damaged.
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, so as to solve the problem that a laser radar is easily damaged by vibration when a vibration impact load is applied to an existing laser radar installation apparatus main body.
The purpose of the invention is mainly realized by the following technical scheme:
a laser radar hoist and mount vibration isolation device includes: the rotary hoisting mechanism, the supporting plate, the vibration isolator and the vibration reduction plate are arranged on the support 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 a buffering and vibration isolating function; the laser radar is installed on the vibration damping plate.
Furthermore, a second through hole is formed in the vibration damping plate; the rotary hoisting mechanism penetrates through the second through hole.
The supporting plate is provided with a first through hole; a radar mounting mechanism is fixedly arranged below the vibration damping plate and penetrates through the first through hole; the rotary hoisting mechanism and the radar mounting mechanism are sleeved with each other and partially overlapped;
further, rotatory hoisting machine constructs including: rotating the lifting hook and lifting the base.
Furthermore, 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 to be fixedly connected with the hoisting base.
The rotary lifting hook is cylindrical and is provided with a plurality of lifting hooks distributed circumferentially; the lifting hook upwards passes through the second through holes and is 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; a positioning column is arranged on the hoisting base and can be clamped into the positioning hole; and bolts are arranged in the threaded holes, and the hoisting base is connected with the lifting hook through the bolts.
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 lower fixed plate.
Further, the fixed radar installation mechanism that sets up in below of damping plate, radar installation mechanism include: a connecting flange and a mounting bracket.
Furthermore, one end of the connecting flange is fixedly connected with the vibration damping plate, and the other end of the connecting flange penetrates through the supporting plate and is fixedly connected with the mounting bracket; and the laser radar is fixedly arranged on the mounting bracket.
The first through hole is a circular through hole; the connecting flange is sleeved in the rotary hoisting mechanism and penetrates through the first through hole downwards.
Further, the second through hole is an arc-shaped through hole.
A vibration isolation method for a hoisting vibration isolation device adopts the hoisting vibration isolation device to carry out vibration isolation of a laser radar, and comprises the following steps:
step S1: fixedly connecting the rotary lifting hook with the supporting plate, and fixedly connecting the upper end of the connecting flange with the vibration damping plate; a lifting hook of the rotary lifting hook penetrates through the vibration damping 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: installing a vibration isolator between the vibration reduction plate and the support plate;
step S3: fixedly installing a hoisting base on equipment, and fixedly installing a laser radar on an installation support;
step S4: when the equipment is impacted by load, the vibration isolation device is hoisted to buffer and isolate vibration, 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 and is connected with the hoisting base; a connecting flange is fixedly arranged below the vibration damping plate and penetrates through the supporting plate to be connected with the mounting bracket; the laser radar is installed on the mounting bracket, and is buffered and isolated through the vibration isolator during hoisting. The invention realizes the elastic installation of the laser radar, so that the laser radar is not influenced by vibration and impact.
2. According to the hoisting vibration isolation device, the steel wire rope vibration isolator is adopted to buffer and isolate vibration of vibration impact, and the steel wire rope can perform horizontal bending, vertical bending and circumferential torsional motion, so that the hoisting vibration isolation device can buffer and isolate vibration of horizontal load, vertical load/longitudinal load or torsional load, a laser radar is prevented from being damaged by vibration, and the structural stability of the radar is protected to the maximum extent.
3. According to the hoisting vibration isolation device, when the equipment is integrally hoisted, the hoisting vibration isolation device is subjected to vertical and upward longitudinal load, the supporting plate is fixed with the equipment into a whole through the rotary hoisting mechanism and moves upwards along with the equipment, and the vibration reduction plate cannot immediately displace under the buffering action of the vibration isolator, so that the supporting plate moves towards the vibration reduction plate and the vibration isolator is compressed.
In the invention, the technical schemes can be combined with each other 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 will 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, wherein like reference numerals are used to designate like parts throughout.
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 view showing a positional relationship between a damper plate and a rotary hook;
figure 5 is a vibration isolator.
Reference numerals: 1-rotating a hoisting mechanism; 2-a support plate; 3, vibration isolator; 4-a vibration damping plate; 5-a connecting flange; 6, mounting a bracket; 7-rotating the hook; 8-hoisting the base; 9-lower fixing plate; 10-a steel wire rope; and 11, fixing the plate.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.
Example 1
The invention discloses a laser radar hoisting vibration isolation device, which comprises: the device comprises a rotary hoisting mechanism 1, a supporting plate 2, a vibration isolator 3 and a vibration damping plate 4; the rotary hoisting mechanism 1 is fixedly connected with equipment needing to be provided with a laser radar; the vibration reduction plate 4 is arranged above the supporting plate 2, and the rotary hoisting mechanism 1 penetrates through the vibration reduction plate 4 and is fixedly connected with the supporting plate 2; the vibration reduction plate 4 is connected with the supporting plate 2 through the vibration isolator 3, the vibration isolator 3 is elastic vibration reduction laser, and the laser radar is installed on the vibration reduction plate 4 through the installation support 6 and the connecting flange 5.
According to the laser radar hoisting vibration isolation device, when the laser radar hoisting vibration isolation device is subjected to vibration impact, the supporting plate 2 and the rotary hoisting mechanism 1 generate vertical instantaneous large-amplitude vibration, the vibration reduction plate 4 can keep in place under the action of inertia due to the buffering effect of the vibration isolator 3, 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 a specific embodiment of the present invention, the rotary hoisting mechanism 1 comprises: a rotary hook 7 and a hoisting base 8.
The hoisting base 8 is fixedly connected with the equipment needing to be provided with the laser radar through screws, and the whole hoisting vibration isolation device is arranged on the equipment through the fixed connection between the hoisting base 8 and the equipment.
Further, rotatory lifting hook 7 includes at least three lifting hook, and the below circumference equipartition of hoist and mount base 8 has at least three dead lever, and the dead lever of hoist and mount base 8 and the lifting hook one-to-one of rotatory lifting hook 7, and mutual fixed connection. At least 3 reserved through holes are uniformly formed in the vibration reduction plate 4, and at least 3 lifting hooks on the rotary lifting hook 7 penetrate through the at least 3 reserved through holes and are connected with the lifting base 8 in a matched mode.
Preferably, as shown in fig. 2, four lifting hooks are evenly distributed on the circumference of the rotary lifting hook 7, the lifting hook is connected with a fixing rod on the lifting base 8 through a shaft hole in a matched manner, a positioning column is arranged on the side face of the fixing rod, a positioning hole is formed in the lifting hook, and as shown in fig. 2, 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.
Furthermore, a first threaded hole is formed in the fixed rod and located below the positioning column, a second threaded hole is formed in the hook and located below the positioning hole, and screws are installed in the first threaded hole and the second threaded hole; the hoisting base 8 is fixedly connected with the rotary lifting hook 7 through a screw to prevent the hoisting base from being separated along the axial direction of the lifting hook.
Further, as shown in fig. 4, the vibration damping plate 4 is disposed above the support plate 2; the damping plate 4 is provided with through holes capable of allowing the rotary hooks 7 to pass through, and the number of the through holes is the same as that 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 rotary hook 7 is fixedly connected to the support plate 2, and the hook on the upper portion of the rotary hook 7 passes through the second through hole on the vibration damping plate 4 and is fixedly connected to the hoisting base 8 through a bolt.
Furthermore, the through holes in the vibration damping plate 4 are designed to be circular arc-shaped, the circular arc-shaped through holes can allow the rotary lifting hooks 7 to have a certain rotating space, and on the premise that the vibration isolator 3 can be transversely twisted, the hoisting vibration isolation device can resist longitudinal impact load and has certain capability of resisting transverse vibration impact.
Further, in one embodiment of the present invention, a connecting flange 5 and a mounting bracket 6 are mounted below the damping plate 4; the upper end of the connecting flange 5 is fixedly connected with the vibration damping 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 capable of allowing 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 connection flange 5.
Further, the rotating hooks 7 are located on the outer side of the connecting flange 5, or the connecting flange 5 is sleeved inside the plurality of hooks.
The upper end of the connecting flange 5 is fixedly connected with the vibration damping plate 4, and the lower end of the connecting flange 5 penetrates through the first through hole (circular through hole) to be fixedly connected with the mounting bracket 6 through welding or bolts.
Further, laser radar fixed mounting realizes that laser radar and hoist and mount vibration isolation device between the installation fixed on installing support 6, hoist and mount base 8 sets up on the structure or the equipment that need install laser radar, realizes that the installation between hoist and mount vibration isolation device and the equipment is fixed, accomplishes the installation of laser radar on equipment.
According to the invention, the hoisting vibration isolation device is used for buffering and vibration isolation, when equipment runs or is hoisted, longitudinal load generated on the equipment is transferred to the hoisting vibration isolation device, a hoisting base 8, a rotary lifting hook 7 and a support plate 2 of the hoisting vibration isolation device are fixed with the equipment into a whole to move synchronously, a laser radar is fixed with a vibration damping plate 4 into a whole through a mounting bracket 6 and a connecting flange 5, a vibration isolator 3 is arranged between the vibration damping plate 4 and the support plate 2, and the vibration damping plate 4 can maintain the original state through the buffering and vibration isolation effect of the vibration isolator 3. Further, can guarantee that under the condition that equipment received load impact, lidar can not receive impact load's influence, continues to keep original state, and the stability of the work of radar is guaranteed simultaneously to the protection lidar main part.
in one embodiment of the present invention, four vibration isolators 3 are installed between the damping plate 4 and the support plate 2, and four vibration isolators 3 are installed at four corners of the damping plate 4 and the support plate 2, respectively.
Specifically, as shown in fig. 1, mounting holes are formed in four corners of the damping plate 4 and the support plate 2, and two ends of the vibration isolator 3 are fixedly connected with the damping plate 4 and the support plate 2 respectively.
In one embodiment of the present invention, the vibration isolator 3 of the present invention may be a spring, an elastomer, a wire rope vibration isolator, or other vibration-damping structure.
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, etc. having a certain shock resistance and vibration isolation function.
Preferably, in an embodiment of the present invention, the vibration isolator 3 is a wire rope vibration isolator, and the 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 upper fixing plate 11 of the vibration isolator 3 is provided with the vibration reduction plate 4.
Specifically, the steel wire rope 10 of the vibration isolator 3 is arranged between the upper fixing plate 11 and the lower fixing plate 9, two ends of the steel wire rope 10 are respectively and fixedly connected with the upper fixing plate 11 and the lower fixing plate 9, the fixing manner may be welding or bonding, and a plurality of steel wire ropes 10 are arranged between the upper fixing plate 11 and the lower fixing plate 9, preferably, as shown in fig. 5, the number of the steel wire ropes 10 on the vibration isolator 3 is 4.
Further, the upper fixing plate 11 is fixedly connected with the damping plate 4 by welding or bolts.
Further, the lower fixing plate 9 is fixedly connected with the support plate 2 by welding or bolt connection.
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 multi-freedom-degree vibration isolator, does not limit any degree of freedom, can longitudinally compress to resist longitudinal vibration impact load, and can realize certain torsional motion to resist certain transverse impact vibration.
Furthermore, in order to enhance the vibration isolation effect of the hoisting vibration isolation device, elastic rubber is arranged between the rotary hook 7 and the circular through hole of the vibration isolation plate 4, and two ends of the elastic rubber are respectively adhered and fixed with the rotary hook 7 and the vibration isolation plate 4.
Furthermore, the elastic rubber is multi-stage elastic rubber, namely the elastic rubber has multiple layers; the heights of the multistage elastic rubbers 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 setting of the height 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 multistage elastic rubber is provided between the connecting flange 5 and the support plate 2.
According to the invention, multistage buffering is carried out 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 hoisting vibration isolation device can be stably recovered in the shortest time.
In the implementation process, the water-soluble polyurethane resin,
the hoisting vibration isolation device can buffer and isolate the load impact transmitted by equipment, and specifically comprises the following steps:
1) when the hoisting vibration isolation device is impacted by transverse load: lateral displacement takes place for the synchronous equipment main part of backup pad 2, and isolator 3 cushions the vibration isolation to lateral load, and the wire rope 10 of isolator 3 takes place the transverse torsion, and vibration damping plate 4 and lidar do not take place the displacement or only take place slight displacement, keep lidar's stability.
At this time, the support plate 2 is displaced laterally relative to the damping plate 4, and the hooks of the rotating hooks 7 are laterally displaced in the through holes of the damping plate 4.
2) When the hoisting vibration isolation device is impacted by longitudinal load: the main body of the synchronous equipment of the supporting plate 2 is longitudinally displaced, 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 kept.
At this time, the vibration damping plate 4 and the support plate 2 are displaced relative to each other in the longitudinal direction, and the rotary hook 7 slides up and down in the through hole of the vibration damping plate 4.
3) When the hoisting vibration isolation device is simultaneously impacted by the longitudinal load and the transverse load transmitted by equipment: the main body of the synchronous equipment of the support plate 2 is displaced, the steel wire rope 10 of the vibration isolator 3 is transversely twisted and longitudinally compressed/stretched at the same time, and the vibration reduction plate 4 and the laser radar are not displaced or only slightly displaced, so that the stability of the laser radar is kept.
4) When the hoisting vibration isolation device is subjected to torsional impact: the whole body of the support plate 2 synchronously generates torsional motion, the steel wire rope 10 of the vibration isolator 3 generates torsion to buffer torsional 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 damping plate 4 to release the torsional load, and the vibration damping plate 4 and the laser radar are kept from being impacted by the torsional load.
Example 2
In another embodiment of the present invention, a vibration isolation method for a hoisting vibration isolation device is provided, in which the hoisting vibration isolation device of embodiment 1 is used to install a laser radar, and the method includes the following steps:
step S1: fixedly connecting the rotary lifting hook 7 with the support plate 2, and fixedly connecting the upper end of the connecting flange 5 with the vibration reduction plate 4; furthermore, a lifting hook of the rotary lifting hook 7 penetrates through the vibration damping plate 4 and is fixedly connected with a lifting base 8; the connecting flange 5 penetrates through the supporting plate 2 and is fixedly connected with the mounting bracket 6;
step S2: installing the vibration isolator 3 between the vibration damping plate 4 and the 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 load, the vibration isolation device is hoisted to buffer and isolate vibration, so that the laser radar is not impacted.
Specifically, in step S1, the lower end of the rotary hook 7 is connected to the support plate 2 by a bolt; the damping plate 4 is connected with the upper end of the connecting flange 5 through bolts.
In the step S1, the hoisting base 8 is rotated to clamp the positioning column into the positioning hole on the rotary hook 7, so as to position the hoisting base 8 and the rotary hook 7; further, the hoisting base 8 and the rotary lifting hook 7 are fastened and connected through bolts, and the installation of the rotary hoisting mechanism 1 is completed.
According to the rotary hoisting mechanism 1, the hoisting base 8 and the rotary lifting hook 7 are mounted in a manner of combining clamping positioning of the positioning columns and the positioning holes with bolt connection, so that quick positioning and quick mounting can be realized.
After the installation is finished, the hoisting 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 damping plate 4 are fixed as a whole.
Specifically, in step S2, the upper fixing plate 11 of the vibration isolator 3 is connected to the damping plate 4 by bolts; the lower fixing plate 9 of the vibration isolator 3 is connected with the supporting plate 2 through bolts.
In step S2, four vibration isolators 3 are respectively mounted at four corners of the damping plate 4 and the support plate 2.
Specifically, in step S3, the hoisting base 8 is connected to the device through screws; the laser radar is connected with the mounting bracket 6 through screws.
Specifically, in step S4, the step of receiving the load impact from the equipment by the hoisting vibration isolation device includes: transverse load, longitudinal load, and transverse load, longitudinal load and torsional load;
when the hoisting vibration isolation device is impacted by transverse load: the support plate 2 moves transversely relative to the vibration reduction plate 4, and the steel wire rope 10 of the vibration isolator 3 is bent transversely; while the hook of the rotating hook 7 is displaced laterally in the through hole of the vibration damping plate 4.
When the hoisting vibration isolation device is impacted by longitudinal load: the support plate 2 longitudinally moves relative to the damping plate 4, and the steel wire rope 10 of the vibration isolator 3 is longitudinally compressed or stretched; meanwhile, the rotary hook 7 is longitudinally displaced relative to the damping plate 4, and the hook slides up and down in the through hole of the damping plate 4.
When the hoisting vibration isolation device is impacted by the transverse load and the longitudinal load at the same time: the supporting plate 2 simultaneously generates transverse displacement and longitudinal movement relative to the damping plate 4, and the steel wire rope 10 of the vibration isolator 3 generates transverse movement and longitudinal movement; meanwhile, the rotary hook 7 is displaced laterally and longitudinally with respect to the damping plate 4, and the hook is moved laterally while sliding up and down in the through hole of the damping plate 4.
When the hoisting vibration isolation device is impacted by torsional load: the support plate 2 rotates relative to the damping plate 4, and the steel wire rope 10 of the vibration isolator 3 twists; meanwhile, the hook of the rotary hook 7 slides in the circular arc direction in the circular arc through hole.
Compared with the prior art, the laser radar hoisting vibration isolation device provided by the invention has the advantages that when the external vertical impact vibration is borne in the actual hoisting use process, the supporting plate 2 and the rotary hoisting mechanism 1 vibrate in a vertical instantaneous large amplitude manner, and due to the buffering 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 keep in situ under the inertia effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a laser radar hoist and mount vibration isolation device which characterized in that includes: the device 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 a 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 a buffering and vibration isolating function; the laser radar is arranged on the vibration damping plate (4).
2. The lidar hoisting vibration isolation device according to claim 1, wherein the damping plate (4) is provided with a second through hole; and the rotary hoisting mechanism (1) penetrates through the second through hole.
3. The lidar hoisting vibration isolation device according to claim 2, wherein said rotary hoisting mechanism (1) comprises: a rotary lifting hook (7) and a lifting base (8).
4. The lidar hoisting vibration isolation device according to claim 3, wherein one end of the rotary hook (7) is fixedly installed above the supporting plate (2), and the other end passes through the second through hole to be fixedly connected with the hoisting base (8).
5. The lidar hoisting vibration isolation device according to claim 4, wherein the vibration isolator (3) comprises: an upper fixing plate (11), a steel wire rope (10) and a lower fixing plate (9).
6. The lidar hoisting vibration isolation device according to claim 5, wherein the upper fixing plate (11) is fixedly connected with the vibration damping 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).
7. The lidar hoisting vibration isolation device according to claim 2, wherein a connecting flange (5) and a mounting bracket (6) are fixedly arranged below the vibration damping plate (4).
8. The lidar hoisting vibration isolation device according to claim 6, wherein one end of the connecting flange (5) is fixedly connected with the vibration damping plate (4), and the other end of the connecting flange (5) passes through the supporting plate (2) and is fixedly connected with the mounting bracket (6); the laser radar is fixedly arranged on the mounting bracket (6).
9. The lidar hoisting vibration isolation device according to claim 2, wherein the second through hole is an arc-shaped through hole.
10. A vibration isolation method for a hoisting vibration isolation device, which is characterized in that the vibration isolation of a laser radar is carried out by adopting the hoisting vibration isolation device of any one of claims 1 to 9, and comprises the following steps:
step S1: fixedly connecting the rotary lifting hook (7) with the support plate (2), and fixedly connecting the upper end of the connecting flange (5) with the vibration reduction plate (4); the lifting hook of the rotary lifting hook (7) penetrates through the vibration damping 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: installing a vibration isolator (3) between a vibration reduction plate (4) and a support plate (2);
step S3: fixedly mounting a hoisting base (8) on equipment, and fixedly mounting a laser radar on a mounting bracket (6);
step S4: when the equipment is impacted by load, the vibration isolation device is hoisted to buffer and isolate vibration, so that the laser radar is not impacted.
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| CN114623361B (en) | 2024-07-09 |
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