CN219770175U - Magnetic sensor hanging device carried on flying platform - Google Patents
Magnetic sensor hanging device carried on flying platform Download PDFInfo
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- CN219770175U CN219770175U CN202321088410.7U CN202321088410U CN219770175U CN 219770175 U CN219770175 U CN 219770175U CN 202321088410 U CN202321088410 U CN 202321088410U CN 219770175 U CN219770175 U CN 219770175U
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- flying platform
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- 239000000725 suspension Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 abstract description 14
- 238000013016 damping Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000001052 transient effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a magnetic sensor hanging device carried on a flying platform, comprising: extending the suspension bracket, the bearing cable and the mounting mechanism; the extension suspension bracket includes: the outer ends of the extension rod pieces are connected with the bearing cables; the mounting mechanism comprises: and the connection points of the converging cables and the circular rings are respectively positioned in the middle of the connection points of the inner ends of the two adjacent extension rods. The extension suspension bracket and the mounting mechanism jointly form a buffering and damping structure of the magnetic sensor, the coil is hoisted by utilizing a bearing cable, the design of the extension suspension bracket enables the suspension device to expand outwards, the occupation area in the horizontal direction is increased, and meanwhile, the mounting mechanism is used for converging and connecting to the unmanned plane body, so that the swing amplitude of the coil in the exploration process can be effectively reduced, the swing noise in observation data is further reduced, and the accuracy of the measurement result is ensured.
Description
Technical Field
The utility model relates to the technical field of ground-air transient electromagnetic measurement systems, in particular to a magnetic sensor hanging device carried on a flying platform.
Background
Because complex observation areas such as gobi, swamps and the like are difficult to develop ground exploration work, the application environment of the ground transient electromagnetic method is limited. The aviation electromagnetic method is a geophysical prospecting technology for carrying electromagnetic prospecting equipment by using an airplane platform, has the advantages of high speed, large coverage range and the like, and is not limited by the earth surface state of an observation environment. However, due to limited loading capacity of the platform, the power of the launching device of the aviation electromagnetic method is low, and the detection depth of the aviation electromagnetic method is further affected.
The ground-air transient electromagnetic method is combined with the ground transient electromagnetic method and the aviation electromagnetic method, excitation sources are arranged on the ground surface, and meanwhile, the aerial platform is carried to collect signals in the air, so that the method has the advantages of being high in efficiency and large in exploration depth, and is particularly suitable for carrying out operations in areas with complex terrain conditions and large exploration difficulty. The current ground-to-air transient electromagnetic method is mainly to survey through a mode of carrying coils on a flight platform, as shown in fig. 1, an existing coil suspension mechanism adopts a single cable and is assisted with a plurality of tension lines to suspend the coils, and the technical problem of unstable operation exists, namely, a magnetic sensor continuously swings in the flight process of an unmanned plane, interference is introduced, so that observation data is mainly swing noise, and accuracy of detection data is affected. As shown in fig. 7, the signal in the figure fluctuates greatly, indicating that the noise is large, mainly because of the swing of the coil in flight.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a magnetic sensor hanging device carried on a flying platform. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
The utility model adopts the following technical scheme:
provided is a magnetic sensor hanging device mounted on a flying platform, comprising: extending the suspension bracket, the bearing cable and the mounting mechanism; the extension suspension bracket includes: the device comprises a circular ring and a plurality of extension rod pieces which are uniformly distributed around the circular ring and are in scattering shape, wherein the inner ends of the extension rod pieces are connected with the circular ring, and the outer ends of the extension rod pieces are connected with the bearing cables; the mounting mechanism comprises: the bottom ends of the collecting cables are connected to the circular ring, and the connection points of the collecting cables and the circular ring are respectively positioned in the middle of the connection points of the inner ends of the adjacent two extension rods.
Further, one end of the bearing cable is connected with the extension rod piece, and the other end of the bearing cable is connected with the coil through a buckling piece; the fastener comprises: the top side shell is connected with the bearing cable, fastening belts are arranged at two ends of the top side shell, hooks are arranged on the fastening belts, and hanging grooves matched with the hooks are formed in the bottom side shell.
Further, the fastener further comprises: a buffer rubber pad; the inner side surfaces of the top side shell and the bottom side shell are arc-shaped surfaces, and the buffer rubber pads are arranged on the arc-shaped surfaces of the top side shell and the bottom side shell.
Further, the fastener further comprises: the elastic piece consists of two mounting plates and a buffer spring clamped between the two mounting plates; one of the two mounting plates is connected with the arc-shaped surface, and the other mounting plate is connected with the buffer rubber pad.
Further, the mounting mechanism further includes: a center positioning block; the top of the beam-converging cable is converged on the bottom mounting piece of the center positioning block, the top of the center positioning block is provided with a mounting plate, and a round hole used for being connected with an unmanned aerial vehicle is formed in the mounting plate.
Further, a semi-closed hollow cavity is formed in the bottom of the center positioning block, and a slewing bearing is arranged in the semi-closed hollow cavity; the outer ring of the slewing bearing is connected with the cavity wall of the semi-closed hollow cavity, and the inner ring of the slewing bearing extends out of the cavity opening of the semi-closed hollow cavity and is connected with the bottom mounting piece.
Further, the bottom mounting piece is annular, an annular groove is formed in the bottom mounting piece, and the top end of the bunching cable is fixed in the annular groove.
Furthermore, the ring and the extension rod piece are hollow structures, and weight-reducing hollow grooves are formed in the ring and the extension rod piece.
The utility model has the beneficial effects that: the extension suspension bracket and the mounting mechanism jointly form a buffering and damping structure of the magnetic sensor, the coil is hoisted by utilizing a bearing cable, the design of the extension suspension bracket enables the suspension device to expand outwards to enlarge the occupied area in the horizontal direction, and meanwhile, the mounting mechanism is used for converging and connecting to the unmanned plane body, so that the swing amplitude of the coil in the exploration process can be effectively reduced, further swing noise in observation data is reduced, the accuracy of a measurement result is ensured, and meanwhile, the structural design of the magnetic sensor has the advantages of being stable in structure and convenient to install.
Drawings
In order to more clearly illustrate the embodiments of the utility model 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, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art coil suspension mechanism;
FIG. 2 is a schematic diagram of a hanging device for a magnetic sensor according to the present utility model;
FIG. 3 is a schematic view of the ring of the present utility model;
FIG. 4 is a schematic view of the structure of the fastener of the present utility model;
FIG. 5 is a schematic view of the structure of the center positioning block of the present utility model;
FIG. 6 is a schematic view of the construction of the bottom mounting member of the present utility model;
FIG. 7 is a schematic view of the observation results when a coil suspension mechanism is used in the prior art;
FIG. 8 is a schematic view of the observation results when the magnetic sensor suspension device of the present utility model is used.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 2, in some illustrative embodiments, the present utility model provides a magnetic sensor suspension device mounted on a flying platform, comprising: the device comprises a mounting mechanism 1, an extension suspension bracket 2 and a bearing cable 3 which are sequentially arranged from top to bottom.
The extension suspension bracket 2 is connected with a flight platform through a mounting mechanism 1, the flight platform can be an unmanned aerial vehicle 4 in the exploration process, and the mounting mechanism 1 is fixed at the bottom of the unmanned aerial vehicle 4 during specific installation. The extension suspension bracket 2 is connected with the magnetic sensor through the bearing cables 3, in particular to the coil 5, and ensures the stability of the whole structure while reducing the weight as much as possible, and in the embodiment, the number of the bearing cables 3 is three, and the bearing cables 3 are uniformly arranged around the coil 5 at intervals.
The extension suspension bracket 2 includes: the ring 201 and a plurality of extension members 202 which are uniformly distributed around the ring 201 and are in scattering shape correspond to the bearing cables 3, the number of the extension members 202 is three, and the included angle between two adjacent extension members 202 is 120 degrees. As shown in fig. 3, the inner end of the extension member 202 is connected to the ring 201, and in this embodiment, the connection point between the inner end of the extension member 202 and the ring 201 is denoted as an inner end connection point 203, i.e. three inner end connection points 203 are uniformly distributed on the ring 201.
The outer ends of the extension bars 202 are connected to the load-bearing cables 3.
The mounting mechanism 1 includes: the number of the convergent cables 101 is three corresponding to the extension bar 202. The bottom end of the converging cable 101 is connected to the ring 201, as shown in fig. 3, and in this embodiment, the connection point between the converging cable 101 and the ring 201 is denoted as a converging connection point 204. The connection points of the bundling cables 1 & gt 1 and the circular ring 201 are respectively positioned in the middle of the inner end connection points 203 of the two adjacent extension rods 202, namely, the bundling connection points 204 are positioned in the middle of the two adjacent inner end connection points 203, so that the extension rods 202 and the bundling cables 1 & gt 1 are distributed on the circular ring 201 in a crossed mode, the stress is more uniform, the stability of the integral structure can be ensured while the extension suspension support 2 expands outwards, the swing amplitude of a coil in the exploration process is effectively reduced, swing noise in observation data is further reduced, and the accuracy of a measurement result is ensured.
In order to reduce the weight of the overall structure, in this embodiment, the ring 201 and the extension member 202 are hollow, and the ring 201 and the extension member 202 are provided with a weight-reducing hollow groove 205, and the design of the weight-reducing hollow groove 205 can also reduce wind resistance, thereby further reducing the swing amplitude of the coil.
In this embodiment, the length of the extension bar 202 is 1.5 m, the length of the cable 101 is >.5 m, and the length of the load cable 3 is 10 m.
One end of the load cable 3 is connected with the extension member 202, and the other end is connected with the coil 5 through the buckling piece 6. Specifically, as shown in FIG. 4, the fastener 6 includes: top side housing 601, bottom side housing 602, fastening strap 603, hooks 604, hanging slot 605, and cushioning rubber pad 606.
The top side housing 601 is connected to the bottom end of the load cable 3. The two ends of the top side shell 601 are provided with fastening belts 603, the fastening belts 603 can be elastic belts, the tail ends of the fastening belts 603 are provided with hooks 604, the bottom side shell 602 is provided with hanging grooves 605 matched with the hooks 604, and the hooks 604 can be embedded into the hanging grooves 605 and hook the hanging grooves 605, so that the connection between the top side shell 601 and the bottom side shell 602 is realized. The above-mentioned structural design can realize the quick-operation joint of topside casing 601 and bottom side casing 602, and during the installation, coil 5 is pressed from both sides to be adorned between topside casing 601 and bottom side casing 602, and post-connection stable in structure is difficult for droing and convenient to detach.
The inner side surfaces of the top side shell 601 and the bottom side shell 602 are arc surfaces so as to be attached to the outer shape of the coil, and buffer rubber pads 606 are arranged on the arc surfaces of the top side shell 601 and the bottom side shell 602, so that the first design of the buffer rubber pads 606 can play a role in damping, the vibration amplitude of the coil is reduced, and the second design plays a role in protecting, and damage to the coil during clamping is avoided.
In this embodiment, the fastener 6 further comprises: the two elastic members are respectively arranged on the top side shell 601 and the bottom side shell 602, so that the damping performance of the buckling piece 6 can be further improved. The elastic member is composed of two mounting plates 607 and a buffer spring 608 interposed between the two mounting plates 607; of the two mounting plates 607, one is connected with the arc surface and the other is connected with the cushion rubber pad 606, so that the cushion rubber pad 606 has larger displacement, thereby improving the shock absorption performance.
As shown in fig. 5, the mounting mechanism 1 further includes: a center positioning block 102, a bottom mounting member 103, a slewing bearing 105 and a mounting plate 107.
The top ends of the converging cables 1 > 1 converge onto the bottom mounting member 103 of the central positioning block 102, i.e. the three converging cables 101 converge upwards, and the top ends gradually approach and are fixed together on the bottom mounting member 103. The bottom of the center positioning block 102 is provided with a semi-closed hollow cavity 104, and a slewing bearing 105 is arranged in the semi-closed hollow cavity 104. The outer ring of the rotary bearing 105 is connected with the cavity wall of the semi-closed hollow cavity 104, and the inner ring of the rotary bearing 105 extends out from the cavity opening of the semi-closed hollow cavity 104 and is connected with the bottom mounting piece 103, so that the bottom mounting piece 103 can freely rotate at the bottom of the center positioning block 102, and the situation that the bottom extension suspension bracket 2 is loosened and shakes after being twisted for many times can be avoided.
As shown in fig. 6, the bottom mounting member 103 is annular, and the bottom mounting member 103 is provided with an annular groove 106, and the top end of the bunched cable 101 is fixed in the annular groove 106. If the cable 101 is made of metal, the fixing means may be welding, and if the cable 101 is made of insulating material, it may be directly tied in the ring groove 106.
The top of center locating piece 102 sets up mounting panel 107, sets up the round hole that is used for being connected with unmanned aerial vehicle on the mounting panel 107, is convenient for fix. As shown in fig. 8, the signal fluctuation is small, which indicates that the noise is small, and the swing amplitude of the coil in flight is reduced.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (8)
1. A magnetic sensor suspension device mounted on a flying platform, comprising: extending the suspension bracket, the bearing cable and the mounting mechanism; the extension suspension bracket includes: the device comprises a circular ring and a plurality of extension rod pieces which are uniformly distributed around the circular ring and are in scattering shape, wherein the inner ends of the extension rod pieces are connected with the circular ring, and the outer ends of the extension rod pieces are connected with the bearing cables; the mounting mechanism comprises: the bottom ends of the collecting cables are connected to the circular ring, and the connection points of the collecting cables and the circular ring are respectively positioned in the middle of the connection points of the inner ends of the adjacent two extension rods.
2. The hanging device for the magnetic sensor mounted on the flying platform according to claim 1, wherein one end of the bearing cable is connected with the extension rod piece, and the other end is connected with the coil through a buckling piece; the fastener comprises: the top side shell is connected with the bearing cable, fastening belts are arranged at two ends of the top side shell, hooks are arranged on the fastening belts, and hanging grooves matched with the hooks are formed in the bottom side shell.
3. The magnetic sensor suspension device of claim 2 wherein said fastener further comprises: a buffer rubber pad; the inner side surfaces of the top side shell and the bottom side shell are arc-shaped surfaces, and the buffer rubber pads are arranged on the arc-shaped surfaces of the top side shell and the bottom side shell.
4. A magnetic sensor suspension device for mounting on a flying platform as defined in claim 3, wherein said fastener further comprises: the elastic piece consists of two mounting plates and a buffer spring clamped between the two mounting plates; one of the two mounting plates is connected with the arc-shaped surface, and the other mounting plate is connected with the buffer rubber pad.
5. The magnetic sensor suspension device mounted on a flying platform according to claim 1 or 4, wherein the mounting mechanism further comprises: a center positioning block; the top of the beam-converging cable is converged on the bottom mounting piece of the center positioning block, the top of the center positioning block is provided with a mounting plate, and a round hole used for being connected with an unmanned aerial vehicle is formed in the mounting plate.
6. The hanging device for the magnetic sensor mounted on the flying platform according to claim 5, wherein a semi-closed hollow cavity is formed at the bottom of the center positioning block, and a slewing bearing is arranged in the semi-closed hollow cavity; the outer ring of the slewing bearing is connected with the cavity wall of the semi-closed hollow cavity, and the inner ring of the slewing bearing extends out of the cavity opening of the semi-closed hollow cavity and is connected with the bottom mounting piece.
7. The hanging device for magnetic sensor mounted on flying platform according to claim 6, wherein the bottom mounting member is circular, a ring groove is formed in the bottom mounting member, and the top end of the converging cable is fixed in the ring groove.
8. The hanging device for the magnetic sensor mounted on the flying platform according to claim 7, wherein the ring and the extension member are hollow structures, and the ring and the extension member are provided with weight-reducing hollow grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088410.7U CN219770175U (en) | 2023-05-08 | 2023-05-08 | Magnetic sensor hanging device carried on flying platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088410.7U CN219770175U (en) | 2023-05-08 | 2023-05-08 | Magnetic sensor hanging device carried on flying platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219770175U true CN219770175U (en) | 2023-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321088410.7U Active CN219770175U (en) | 2023-05-08 | 2023-05-08 | Magnetic sensor hanging device carried on flying platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219770175U (en) |
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2023
- 2023-05-08 CN CN202321088410.7U patent/CN219770175U/en active Active
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