CN115899163B - Damping device and sensor system - Google Patents
Damping device and sensor system Download PDFInfo
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- CN115899163B CN115899163B CN202211321520.3A CN202211321520A CN115899163B CN 115899163 B CN115899163 B CN 115899163B CN 202211321520 A CN202211321520 A CN 202211321520A CN 115899163 B CN115899163 B CN 115899163B
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- guide shaft
- shock absorbing
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- 238000013016 damping Methods 0.000 title claims abstract description 55
- 230000035939 shock Effects 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 description 15
- 230000003139 buffering effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a damping device and a sensor system, wherein the damping device is used for damping a sensor, and comprises: a first mount including opposed first and second surfaces, the first surface for mounting a sensor; the second mounting seat is arranged at intervals with the side of the second surface of the first mounting seat; the buffer mechanism is arranged between the first mounting seat and the second mounting seat, and the buffer mechanism elastically connects the first mounting seat with the second mounting seat; and the telescopic piece is arranged on the second mounting seat, the telescopic piece is provided with a telescopic end, a movable connection with a preset movable range is formed between the telescopic end and the first mounting seat, and the first mounting seat can be pulled to move in a direction close to the second mounting seat by the shrinkage of the telescopic piece. The technical scheme of the invention is beneficial to realizing the shock absorption of the sensor, effectively protecting the sensor, prolonging the service life of the sensor and accurately positioning the position of the sensor when the sensor works.
Description
Technical Field
The invention relates to the technical field of shock absorption, in particular to a shock absorption device and a sensor system.
Background
In some working scenarios of sensor use, such as in smart robot applications, high-precision sensors are often mounted near high-frequency vibrating parts of the smart robot. In the working process of the intelligent robot, the high-precision sensor is easily damaged due to the high-frequency and high-strength vibration of the components, so that the service life of the high-precision sensor is shortened. After the intelligent robot finishes working, the high-frequency and high-intensity vibration of the parts can further cause dislocation of the positions of the high-precision sensors, so that the high-precision sensors cannot accurately measure required data during measurement working, and the working is inconvenient.
Disclosure of Invention
The embodiment of the invention provides a damping device and a sensor system, which are beneficial to damping of a sensor, effectively protect the sensor, prolong the service life of the sensor and accurately position the sensor when the sensor works.
In a first aspect, an embodiment of the present invention provides a damping device for damping vibration of a sensor. The damping device includes: the device comprises a first mounting seat, a second mounting seat, a buffer mechanism and a telescopic piece. The first mounting seat comprises a first surface and a second surface which are opposite, and the first surface is used for mounting the sensor. The second installation seat and the second surface of the first installation seat are arranged at intervals. At least part of the buffer mechanism is arranged between the first mounting seat and the second mounting seat, and the buffer mechanism elastically connects the first mounting seat with the second mounting seat. The telescopic piece is installed in the second mount pad, and the telescopic piece has flexible end, forms the swing joint that has the range of motion of predetermineeing between flexible end and the first mount pad, and the shrink of telescopic piece can pull first mount pad to the direction motion that is close to the second mount pad.
According to the technical scheme, the buffer device is arranged between the first mounting seat and the second mounting seat, so that the sensor arranged on the first mounting seat can be effectively buffer-protected, and the service life of the sensor is prolonged. Through adopting the mode that sets up the extensible member on damping device, the flexible end of extensible member can pull first mount pad to the direction motion that is close to the second mount pad for first mount pad and second mount pad can pinpoint in the range of motion of predetermineeing, are favorable to the measurement work of sensor, improve measurement accuracy.
According to the foregoing embodiment of the first aspect of the present invention, when the telescopic member is retracted so that the first mount moves in a direction approaching the second mount to be relatively stationary with respect to the second mount, the shock absorbing device is in the sensor operation mode; when the telescopic piece stretches out, a preset movable range is arranged between the first mounting seat and the second mounting seat, and the damping device is in a sensor damping mode through mutual buffering of the buffering mechanisms.
According to the foregoing embodiment of the first aspect of the present invention, the buffer mechanism includes a first buffer assembly, the first buffer assembly is abutted between the first mount and the second mount, and the first buffer assembly includes at least one of a first spring and a sponge.
According to the foregoing embodiment of the first aspect of the present invention, the first buffer assembly includes a first spring and a sponge, the sponge is sandwiched between the first mounting seat and the second mounting seat, the sponge includes a plurality of through holes, the number of the first springs is plural, and the first springs are disposed through the through holes and are abutted between the first mounting seat and the second mounting seat.
According to the foregoing embodiment of the first aspect of the present invention, the buffer mechanism further includes a second buffer assembly, the second buffer assembly includes a spring guide shaft and a second spring, the spring guide shaft is disposed through the first mount, one end of the spring guide shaft is fixedly connected to the second mount, the other end of the spring guide shaft has an abutment portion, and the second spring abuts between the abutment portion and the first mount.
According to any of the foregoing embodiments of the first aspect of the present invention, the shock absorbing device further includes a first guide assembly including: the first guide hole is arranged on the second mounting seat; and the first guide shaft is arranged on the second surface of the first mounting seat, the telescopic end is connected with the first guide shaft through a traction structure penetrating through the first guide hole, and the first guide shaft can extend into the first guide hole.
According to the foregoing embodiment of the first aspect of the present invention, the first guide hole is a tapered hole, and the end portion of the first guide shaft connected to the telescopic end has a tapered surface matching the tapered hole.
According to any of the foregoing embodiments of the first aspect of the present invention, the shock absorbing device further includes a second guide assembly including: the second guide hole is arranged on the first mounting seat; the second guide shaft is fixedly connected with the telescopic end, the peripheral surface of the second guide shaft is provided with a sliding groove, the extending direction of the sliding groove is parallel to the telescopic direction of the telescopic end, and the second guide shaft can extend into the second guide hole; and the guide pin is fixedly connected with the first mounting seat, extends into the sliding groove and can slide along the sliding groove.
According to the foregoing embodiment of the first aspect of the present invention, the shock absorbing device further includes a third guide assembly including: a third guide hole; and the third guide shaft extends in parallel with the telescopic direction of the telescopic end, can extend into the third guide hole, and one of the third guide hole and the third guide shaft is arranged on the first mounting seat, and the other of the third guide hole and the third guide shaft is arranged on the second mounting seat.
According to the foregoing embodiment of the first aspect of the present invention, the third guide assembly further includes: the sleeve is sleeved between the third guide shaft and the third guide hole, and the inner peripheral surface and/or the outer peripheral surface are/is provided with a lubricant.
In a second aspect, an embodiment of the present invention provides a sensor system, including: a shock absorbing device according to any one of the preceding embodiments of the first aspect of the present invention; and the sensor is arranged on the first mounting seat of the damping device and comprises a laser radar and/or an image sensor.
According to the technical scheme, the damping device is arranged in the sensor system, so that the sensor can be effectively buffer-protected during working, and the service life of the sensor is prolonged. The damping device also has a positioning function, can accurately position the sensor during working, and improves measurement accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a first embodiment of a shock absorbing device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a first embodiment of a shock absorbing device according to the present invention;
FIG. 3 is a schematic view of an exploded view of a first embodiment of a shock absorber device according to the present invention;
FIG. 4 is a schematic view showing the overall structure of a second embodiment of the shock absorbing device of the present invention;
Fig. 5 is a schematic view of an exploded structure of a second embodiment of the shock absorbing device of the present invention.
Reference numerals illustrate:
damping device-100;
The device comprises a first mounting seat-110, a second mounting seat-120, a buffer mechanism-130, a telescopic piece-140, a first guide component-150, a second guide component-160 and a third guide component-170;
The device comprises a first surface-111, a second surface-112, a first buffer component-131, a second buffer component-132, a telescopic end-141, a first guide hole-151, a first guide shaft-152, a second guide shaft-161, a guide pin-162, a third guide hole-171, a third guide shaft-172 and a sleeve-173;
The device comprises a first spring-1311, a sponge-1312, a through hole-1312 s, a spring guide shaft-1321, a second spring-1322, an abutting part-1321 s, a flexible pull rope-1411, a conical surface-1521 and a chute-1611;
Lidar-210, camera assembly-220.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present invention.
The embodiment of the invention provides a damping device which can not only be beneficial to damping a sensor, effectively protect the sensor and prolong the service life of the sensor, but also accurately position the position of the sensor when the sensor works.
FIG. 1 is a schematic view showing the overall structure of a first embodiment of a shock absorbing device according to the present invention. The embodiment of the invention provides a damping device 100 for damping vibration of a sensor. The sensor mentioned in this embodiment is a lidar 210. The shock absorbing device 100 includes: the first mounting base 110, the second mounting base 120, the buffer mechanism 130 and the telescopic member 140. As shown in fig. 1-2, the first mount 110 includes opposing first and second surfaces 111, 112, the first surface 111 being for mounting a sensor. The second mounting base 120 is spaced from the side of the second surface 112 of the first mounting base 110. As shown in fig. 1, at least a part of the buffer mechanism 130 is disposed between the first mount 110 and the second mount 120, and the buffer mechanism 130 elastically connects the first mount 110 and the second mount 120. The telescopic member 140 is mounted on the second mounting seat 120, the telescopic member 140 has a telescopic end 141, a movable connection with a preset movable range is formed between the telescopic end 141 and the first mounting seat 110, and the first mounting seat 110 can be pulled to move in a direction approaching to the second mounting seat 120 by contraction of the telescopic member 140.
According to the technical scheme, the buffer mechanism 130 is arranged between the first mounting seat 110 and the second mounting seat 120, so that the sensor arranged on the first mounting seat 110 can be effectively buffered and protected, and the service life of the sensor is prolonged. Through adopting the mode that sets up extensible member 140 on damping device 100, the flexible end 141 of extensible member 140 can draw first mount pad 110 to being close to the direction motion of second mount pad 120 for first mount pad 110 and second mount pad 120 can pinpoint in the range of motion of predetermineeing, are favorable to the measurement work of sensor, improve measurement accuracy.
As shown in fig. 1, when the telescopic member 140 is retracted, so that the first mount 110 moves toward the second mount 120 to be relatively stationary with respect to the second mount 120, the shock absorbing device 100 is in the sensor operation mode; when the telescopic member 140 extends, a predetermined moving range is provided between the first mounting seat 110 and the second mounting seat 120, and the damping mechanism 130 is used for mutually damping, the damping device 100 is in the sensor damping mode. When the shock absorbing device 100 is in the sensor operation mode, the telescopic member 140 is retracted through the telescopic end 141 and pulls the first mounting seat 110 to move in a direction approaching the second mounting seat 120, so that the first mounting seat 110 and the second mounting seat 120 remain relatively stationary. When the first mounting seat 110 and the second mounting seat 120 are kept relatively static, the sensor is positioned completely, which is beneficial to accurate measurement. When the damping device 100 is in the damping mode, the telescopic end 141 of the telescopic member 140 extends, the first mounting seat 110 and the second mounting seat 120 are not kept in a relatively static state, damping of the sensor is achieved through the damping device arranged between the first mounting seat 110 and the second mounting seat 120, the sensor is protected, and the service life of the sensor is prolonged. After the sensor is positioned, vibration can be generated when the working robot/equipment is constructed, and the sensor can be protected in a sensor damping mode.
FIG. 2 is a schematic cross-sectional view of a shock absorbing device according to a first embodiment of the present invention. The buffer mechanism 130 includes a first buffer assembly 131, where the first buffer assembly 131 is abutted between the first mount 110 and the second mount 120, and the first buffer assembly 131 includes at least one of a first spring 1311 and a sponge 1312. The first spring 1311 and the sponge 1312 can effectively filter vibration with high frequency and high strength in any direction due to the characteristics of the first spring 1311 and the sponge 1312, thereby being beneficial to protecting the sensor and prolonging the service life of the sensor.
Fig. 3 is a schematic view of an exploded structure of a first embodiment of the shock absorbing device of the present invention. The first buffer assembly 131 includes a first spring 1311 and a sponge 1312, the sponge 1312 is sandwiched between the first mounting seat 110 and the second mounting seat 120, the sponge 1312 includes a plurality of through holes 1312s, the first spring 1311 is a plurality of first springs 1311, and the first spring 1311 is disposed through the through holes 1312s and is abutted between the first mounting seat 110 and the second mounting seat 120.
As shown in fig. 3, in the present embodiment, the shock absorbing device 100 employs a combination of one sponge 1312 and four first springs 1311. In other embodiments, the remaining number of sponges 1312 and the first springs 1311 may be provided to achieve a better shock absorbing effect. The number of the first springs 1311 and the sponge 1312 is not limited in the present application, and a person skilled in the art may set the number of the first springs 1311 and the sponge 1312 according to actual needs.
In this embodiment, the damping device 100 adopts a manner that a piece of sponge 1312 similar in shape and size to the first mount 110 and the second mount 120 is disposed between the first mount 110 and the second mount 120, and first springs 1311 are disposed at four corners of the sponge 1312, respectively, to achieve a damping effect. In other embodiments, other positioning arrangements of the first spring 1311 and the sponge 1312 may be used to achieve better shock absorption. The present application is not limited to the position setting manner of the first spring 1311 and the sponge 1312, and a person skilled in the art can set the position setting manner of the first spring 1311 and the sponge 1312 according to actual needs.
FIG. 4 is a schematic view showing the overall structure of a second embodiment of the shock absorbing device of the present invention. The buffer mechanism 130 further includes a second buffer assembly 132, where the second buffer assembly 132 includes a spring guide shaft 1321 and a second spring 1322, the spring guide shaft 1321 is disposed through the first mounting seat 110, one end of the spring guide shaft 1321 is fixedly connected to the second mounting seat 120, the other end has an abutment portion 1321s, and the second spring 1322 is abutted between the abutment portion 1321s and the first mounting seat 110. Through setting up first buffer unit 131 and second buffer unit 132, be favorable to the shock attenuation to the sensor upper and lower two directions, be favorable to protecting the sensor, extension sensor life.
As shown in fig. 2, the shock absorbing device 100 further includes a first guide assembly 150. The first guide assembly 150 includes: the first guide hole 151 and the first guide shaft 152. As shown in fig. 2 and 3, the first guide hole 151 is disposed on the second mount 120, and the first guide shaft 152 is disposed on the second surface 112 of the first mount 110. The telescopic end 141 is connected to a first guide shaft 152, and the first guide shaft 152 can extend into the first guide hole 151. The first guide assembly 150 can enable the sensor to be positioned accurately, which is beneficial for the sensor to perform accurate measurement work.
In the present embodiment, a traction structure is disposed between the telescopic end 141 and the first mount 110. In this embodiment, the traction structure is a flexible pull rope 1411, and the flexible pull rope 1411 can transmit the tensile force of the telescopic member 140 to the first mounting seat 110. The first mounting seat 110 is pulled by the flexible pull rope 1411, so that the influence of the flexible pull rope 1411 on the buffering effect of the buffering mechanism 130 is minimal, and the damping device 100 is beneficial to damping the sensor. In other embodiments, other materials that facilitate reducing the impact of the cushioning effect may be used. The application is not limited to the material and shape of the traction component between the telescopic end 141 and the first mounting seat 110, and a person skilled in the art can set the material and shape of the traction component between the telescopic end 141 and the first mounting seat 110 according to actual needs.
In this embodiment, the first guiding hole 151 is a tapered hole, and the end portion of the first guiding shaft 152 connected to the telescopic end 141 has a tapered surface 1521 matching with the tapered hole, so as to achieve a better guiding effect. In other embodiments, other shapes that facilitate guiding of the first guide shaft 152 and the first guide hole 151 may be used. The shapes of the first guide shaft 152 and the first guide hole 151 are not limited in the present application, and a person skilled in the art can set the shapes of the first guide shaft 152 and the first guide hole 151 according to actual needs.
As shown in fig. 5, the shock absorbing device 100 further includes a second guide assembly 160, and the second guide assembly 160 includes: a second guide hole, a second guide shaft 161, and a guide pin 162. As shown in fig. 4 to 5, the second guide hole is provided at the first mount 110. The second guide shaft 161 is fixedly connected with the telescopic end 141, a sliding groove 1611 is formed in the outer circumferential surface of the second guide shaft 161, the extending direction of the sliding groove 1611 is parallel to the telescopic direction of the telescopic end 141, and the second guide shaft 161 can extend into the second guide hole. The guide pin 162 is fixedly connected with the first mounting seat 110, and the guide pin 162 extends into the sliding slot 1611 and can slide along the sliding slot 1611. The second guiding component 160 can enable the sensor to be accurately positioned during operation, and is beneficial to the subsequent accurate measurement operation of the sensor. The telescopic end 141 moves up and down along the extending direction of the slide slot 1611 by pulling the second guide shaft 161. When the telescopic end 141 is contracted, the second guide shaft 161 is pulled to stretch the first mounting seat 110 to a preset position, so that accurate positioning of the sensor is facilitated. When the telescopic end 141 extends, the guide pin 162 is in a free floating state in the sliding slot 1611, and the first mounting seat 110 is in a free floating state, so that damping of the sensor is facilitated.
In the first embodiment and the second embodiment, the shock absorbing device 100 further includes a third guide assembly 170, and the third guide assembly 170 includes: the third guide hole 171 and the third guide shaft 172. As shown in fig. 2, 3 and 5, the third guide shaft 172 extends parallel to the extension and retraction direction of the extension and retraction end 141, the third guide shaft 172 can extend into the third guide hole 171, one of the third guide hole 171 and the third guide shaft 172 is disposed on the first mounting seat 110, and the other is disposed on the second mounting seat 120. The third guide assembly 170 facilitates accurate positioning of the sensor during operation of the sensor, and facilitates accurate subsequent measurement of the sensor.
In the first embodiment, the third guide hole 171 is located in the second mount 120, and the third guide shaft 172 is located in the first mount 110. In the second embodiment, the third guide hole 171 is located in the first mount 110, and the third guide shaft 172 is located in the second mount 120.
As shown in fig. 5, the third guide assembly 170 further includes: the sleeve 173 is sleeved between the third guide shaft 172 and the third guide hole 171, and the inner peripheral surface and/or the outer peripheral surface is provided with a lubricant. The sleeve 173 facilitates alignment and guiding of the third guide shaft 172 with the third guide hole 171. In the present embodiment, the graphite powder is provided on the inner peripheral surface and/or the outer peripheral surface of the sleeve 173 for lubrication, so as to achieve a better lubrication effect. In other embodiments, other materials that facilitate lubrication may be used on the inner and/or outer peripheral surfaces of sleeve 173. The application is not limited to the material of the lubricant, and a person skilled in the art can select the material of the lubricant according to actual needs.
In the first embodiment of the present invention, the damping device 100 mainly adopts a technical scheme of combining the first guiding component 150, the third guiding component 170 and the first buffering component 131 to achieve the technical effects of damping and positioning. In the first embodiment, when the damper device 100 is in the sensor damper mode, the sensor is in a standby state, and damper protection is required. At this time, the telescopic end 141 is in an extended state, the first mounting seat 110 above the sponge 1312 and the sensor are in a free floating state, and vibration with high frequency and high strength in any direction can be effectively filtered by utilizing the damping characteristic of the sponge 1312, so that the sensor is protected, and the service life of the sensor is prolonged. When the shock absorbing device 100 is in the sensor operation mode, the sensor is in an operation state, and the position of the sensor needs to be precisely positioned to meet the requirement of precise measurement. At this time, the telescopic end 141 is in a retracted state, the telescopic end 141 retracts and drives the first mounting seat 110 to pull downwards, the first guide shaft 152 and the third guide shaft 172 are positioned under the guidance of the first guide hole 151 and the third guide hole 171, the sensor posture originally in a skew state is corrected, and the requirement of accurate positioning of the sensor is met.
In the second embodiment of the present invention, the damping device 100 mainly adopts the technical scheme of combining the second guiding component 160, the third guiding component 170, the first buffering component 131 and the second buffering component 132 to achieve the technical effects of damping and positioning. In the second embodiment, when the damper device 100 is in the sensor damper mode, the sensor is in a standby state, and damper protection is required. At this time, the telescopic end 141 is in an extended state, the first mounting seat 110 and the sensor can be in a free floating state along the third guide shaft 172 and the first spring 1311, and vibration with high frequency and high strength in any direction can be effectively filtered by utilizing the damping characteristic of the first spring 1311, so that the sensor is protected, and the service life of the sensor is prolonged. When the shock absorbing device 100 is in the sensor operation mode, the sensor is in an operation state, and the position of the sensor needs to be precisely positioned to meet the requirement of precise measurement. At this time, the telescopic end 141 is in a retracted state, the telescopic end 141 drives the second guiding shaft 161, so that the guiding pin 162 can move in the sliding slot 1611 and drive the first mounting seat 110 to pull downwards, the second guiding shaft 161 and the third guiding shaft 172 can be positioned under the guidance of the second guiding hole and the third guiding hole 171, the sensor posture originally in a skew state is corrected, and the requirement of accurate positioning of the sensor is met. The first buffer assembly 131 and the second buffer assembly 132 can absorb shock in the upper and lower directions of the sensor, and the service life of the sensor is prolonged.
The invention also proposes a sensor system comprising: the damper device 100 and the sensor according to any of the above embodiments. A sensor is mounted to the first mount 110 of the shock absorbing device 100, the sensor including a sensor and/or an image sensor.
The shock absorbing device 100 includes: the first mounting base 110, the second mounting base 120, the buffer mechanism 130 and the telescopic member 140. The first mount 110 includes opposing first and second surfaces 111, 112, the first surface 111 for mounting a sensor. The second mounting seats 120 are disposed at intervals on the side of the second surface 112 of the first mounting seat 110. At least a portion of the buffer mechanism 130 is disposed between the first mounting seat 110 and the second mounting seat 120, and the buffer mechanism 130 elastically connects the first mounting seat 110 and the second mounting seat 120. The telescopic member 140 is mounted on the second mounting seat 120, the telescopic member 140 has a telescopic end 141, a movable connection with a preset movable range is formed between the telescopic end 141 and the first mounting seat 110, and the first mounting seat 110 can be pulled to move in a direction approaching to the second mounting seat 120 by contraction of the telescopic member 140.
According to the technical scheme, the damping device 100 is arranged in the sensor system, so that the sensor can be effectively buffer-protected during working, and the service life of the sensor is prolonged. The damping device 100 also has a positioning function, and can accurately position the sensor during operation, thereby improving measurement accuracy.
As shown in fig. 1 to 5, in two embodiments of the present application, the sensor set in the first embodiment is a lidar 210, and the sensor set in the second embodiment is a lidar 210 and a camera assembly 220.
In the first embodiment of the present invention, the damping device 100 mainly adopts a technical scheme of combining the first guiding component 150, the third guiding component 170 and the first buffering component 131 to achieve the technical effects of damping and positioning. In the first embodiment, when the shock absorbing device 100 is in the sensor shock absorbing mode, the lidar 210 is in a standby state, and shock absorbing protection is required. At this time, the telescopic end 141 is in an extended state, the first mounting seat 110 above the sponge 1312 and the laser radar 210 are in a free floating state, and vibration with high frequency and high strength in any direction can be effectively filtered by utilizing the damping characteristic of the sponge 1312, so that the laser radar 210 is protected, and the service life of the laser radar 210 is prolonged. When the shock absorbing device 100 is in the sensor operation mode, the lidar 210 is in an operation state, and the position of the lidar 210 needs to be precisely positioned to meet the requirement of precise measurement. At this time, the telescopic end 141 is in a retracted state, the telescopic end 141 retracts and drives the first mounting seat 110 to pull downwards, the first guide shaft 152 and the third guide shaft 172 are positioned under the guidance of the first guide hole 151 and the third guide hole 171, the attitude of the laser radar 210 which is originally in a skew state is corrected, and the requirement of accurate positioning of the laser radar 210 is met.
In the second embodiment of the present invention, the damping device 100 mainly adopts the technical scheme of combining the second guiding component 160, the third guiding component 170, the first buffering component 131 and the second buffering component 132 to achieve the technical effects of damping and positioning. In the second embodiment, when the shock absorbing device 100 is in the sensor shock absorbing mode, the lidar 210 and the camera assembly 220 are in a standby state, and shock absorbing protection is required. At this time, the telescopic end 141 is in an extended state, the first mounting seat 110 and the laser radar 210 can be in a free floating state along the third guide shaft 172 and the first spring 1311, and vibration with high frequency and high strength in any direction can be effectively filtered by utilizing the damping characteristic of the first spring 1311, which is beneficial to protecting the laser radar 210 and the camera assembly 220 and prolonging the service lives of the laser radar 210 and the camera assembly 220. When the shock absorbing device 100 is in the sensor operation mode, the lidar 210 and the camera assembly 220 are in operation, and the positions of the lidar 210 and the camera assembly 220 need to be precisely positioned to meet the requirement of precise measurement. At this time, the telescopic end 141 is in a retracted state, the telescopic end 141 drives the second guiding axle 161, so that the guiding pin 162 can move in the sliding slot 1611 and drive the first mounting seat 110 to pull downwards, the second guiding axle 161 and the third guiding axle 172 can be positioned under the guidance of the second guiding hole and the third guiding hole 171, the pose of the laser radar 210 and the camera assembly 220, which are originally in a skew state, is corrected, and the requirement of accurate positioning of the laser radar 210 and the camera assembly 220 is met. The first buffer assembly 131 and the second buffer assembly 132 can absorb shock in the up-down direction to the laser radar 210 and the camera assembly 220, and prolong the service life of the laser radar 210 and the camera assembly 220.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (7)
1. A shock absorbing device for shock absorption of a sensor, the shock absorbing device comprising:
A first mount comprising opposed first and second surfaces, the first surface for mounting the sensor;
the second installation seat is arranged at intervals with the side of the second surface of the first installation seat;
The buffer mechanism is at least partially arranged between the first mounting seat and the second mounting seat, and elastically connects the first mounting seat with the second mounting seat;
The telescopic piece is arranged on the second mounting seat, the telescopic piece is provided with a telescopic end, a movable connection with a preset movable range is formed between the telescopic end and the first mounting seat, the first mounting seat can be pulled to move in a direction close to the second mounting seat by contraction of the telescopic piece, and when the telescopic piece contracts, the first mounting seat moves in a direction close to the second mounting seat to be relatively static with the second mounting seat, the damping device is in a sensor working mode; when the telescopic piece stretches out, the first installation seat and the second installation seat have the preset movable range, the first installation seat and the second installation seat are mutually buffered through the buffer mechanism, and the damping device is in a sensor damping mode;
The first guide assembly comprises a first guide hole and a first guide shaft, the first guide hole is formed in the second mounting seat, the first guide shaft is arranged on the second surface of the first mounting seat, the telescopic end is connected with the first guide shaft through a traction structure penetrating through the first guide hole, the first guide shaft can extend into the first guide hole, the first guide hole is a taper hole, and the end part, connected with the telescopic end, of the first guide shaft is provided with a conical surface matched with the taper hole; and
The second guide assembly comprises a second guide hole, a second guide shaft and a guide pin, wherein the second guide hole is formed in the first mounting seat, the second guide shaft is fixedly connected with the telescopic end, a sliding groove is formed in the outer peripheral surface of the second guide shaft, the extending direction of the sliding groove is parallel to the extending direction of the telescopic end, the second guide shaft can extend into the second guide hole, the guide pin is fixedly connected with the first mounting seat, and the guide pin extends into the sliding groove and can slide along the sliding groove.
2. The shock absorbing device of claim 1, wherein the cushioning mechanism comprises a first cushioning assembly abutting between the first mount and the second mount, the first cushioning assembly comprising at least one of a first spring and a sponge.
3. The shock absorbing device of claim 2, wherein the first shock absorbing assembly comprises a first spring and a sponge, the sponge is clamped between the first mounting seat and the second mounting seat, the sponge comprises a plurality of through holes, the first springs are multiple in number, and the first springs penetrate through the through holes and are abutted between the first mounting seat and the second mounting seat.
4. The shock absorbing device of claim 2, wherein the shock absorbing mechanism further comprises a second shock absorbing assembly, the second shock absorbing assembly comprises a spring guide shaft and a second spring, the spring guide shaft is arranged on the first mounting seat in a penetrating mode, one end of the spring guide shaft is fixedly connected with the second mounting seat, the other end of the spring guide shaft is provided with an abutting portion, and the second spring abuts against the abutting portion and the first mounting seat.
5. The shock absorbing device of claim 1, further comprising a third guide assembly, the third guide assembly comprising:
a third guide hole; and
A third guide shaft extending parallel to the expansion and contraction direction of the expansion and contraction end, the third guide shaft being capable of extending into the third guide hole,
One of the third guide holes and the third guide shafts is arranged on the first mounting seat, and the other one of the third guide holes and the third guide shafts is arranged on the second mounting seat.
6. The shock absorbing device as defined in claim 5, wherein said third guide assembly further comprises:
And the sleeve is sleeved between the third guide shaft and the third guide hole, and the inner peripheral surface and/or the outer peripheral surface are/is provided with a lubricant.
7. A sensor system, comprising:
The vibration damping device according to any one of claims 1 to 6; and
And the sensor is arranged on the first mounting seat of the damping device and comprises a laser radar and/or an image sensor.
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| CN110421593A (en) * | 2019-07-31 | 2019-11-08 | 广东博智林机器人有限公司 | Rotatable damping device for connecting |
| CN211425469U (en) * | 2019-11-07 | 2020-09-04 | 克莱门斯工业传感器南京有限公司 | Dustproof laser sensor for pavement detection |
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| US7942248B2 (en) * | 2002-12-31 | 2011-05-17 | Lord Corporation | Adjustable damping control with end stop |
| JP2009030268A (en) * | 2007-07-25 | 2009-02-12 | Daiwa House Ind Co Ltd | Earthquake-sensitive switching mechanism, load-bearing and seismic-control mechanism, and load-bearing and seismic-control panel |
| JP6008712B2 (en) * | 2012-11-28 | 2016-10-19 | 三菱重工業株式会社 | Damping device and damping method for bottom plate of oil pan |
| JP6840181B2 (en) * | 2019-03-27 | 2021-03-10 | 本田技研工業株式会社 | Electric suspension device |
| JP7429611B2 (en) * | 2020-06-10 | 2024-02-08 | 株式会社ダイセル | shock absorber |
| CN216009369U (en) * | 2021-11-03 | 2022-03-11 | 辽宁科技大学 | Automatic change detection sensor's positioner |
| CN217502435U (en) * | 2022-04-21 | 2022-09-27 | 钛钽实业(东莞)有限公司 | Pneumatic element card angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421593A (en) * | 2019-07-31 | 2019-11-08 | 广东博智林机器人有限公司 | Rotatable damping device for connecting |
| CN211425469U (en) * | 2019-11-07 | 2020-09-04 | 克莱门斯工业传感器南京有限公司 | Dustproof laser sensor for pavement detection |
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