CN217543398U - Integrated fixed measuring device of GPS locator and depth finder probe - Google Patents
Integrated fixed measuring device of GPS locator and depth finder probe Download PDFInfo
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- CN217543398U CN217543398U CN202220963167.8U CN202220963167U CN217543398U CN 217543398 U CN217543398 U CN 217543398U CN 202220963167 U CN202220963167 U CN 202220963167U CN 217543398 U CN217543398 U CN 217543398U
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Abstract
The utility model discloses a fixed measuring device of integration of GPS locater and depth finder probe, including the GPS locater, the depth finder, the connecting pipe, the depth finder probe, integration fixing device etc, integration fixing device comprises ship face fixed plate, stake body backup pad, the stake body, splint etc. integration fixing device fixes on the ship board of transport ship, the connecting pipe passes through splint, the splint bolt, the splint nut is fixed on the stake body, make the GPS locater on connecting pipe top and the depth finder probe of bottom realize the integration, GPS locater and depth finder probe are connected with the depth finder through the cable respectively. The utility model has the advantages of single just can be fixed with GPS locater and the integration of depth finder probe, ensure that the position and the gesture of GPS locater and depth finder probe are accurate, the center of GPS locater and the center of depth finder probe are coaxial, improve measuring position's accuracy greatly, guarantee that the topography survey is high-quality to go on fast under water.
Description
Technical Field
The utility model belongs to the technical field of the topography measurement technique and specifically relates to a fixed measuring device of integration of GPS locater and depth finder probe is related to.
Background
In recent years, underwater topography measurement is required in projects such as bridge construction and river channel dredging, and more overwater project constructions need to be hoisted by using a large-scale overwater floating crane, for example, after steel towers and steel beams in bridge construction are integrally manufactured, a waterway is required to be transported to a bridge site and hoisted by using the large-scale overwater floating crane, and in order to ensure the navigation safety of a transport ship and the large-scale floating crane, the underwater topography measurement becomes a normalized work.
Need debug fixedly to GPS and depth sounding equipment before the topography survey work begins under water, traditional mode adopts the rope to fix, and this mode has following difficulty:
1) The position measurement of the GPS locator and the water depth measurement of the depth finder need to be consistent and synchronous;
2) The probe of the depth finder is required to be always vertical to the water surface and fixed;
3) The probe of the depth finder needs to enter water with a size larger than 300mm, and is greatly influenced by the resistance of water in the navigation of the transport ship and is not easy to fix;
4) Need debug GPS locater and depth finder before the topography survey work begins under water fixedly, traditional mode adopts the fixed depth finder probe of rope, needs many people cooperation, supplementary going on, and many people adopt many ropes to bind fixedly to the depth finder probe to difficult fixed firm, take trouble hard.
In order to solve the problem that the position of a GPS position indicator is required to be consistent and synchronous with the water depth measurement of a depth finder so as to reduce manpower and quickly fix the depth finder, an integrated fixed measurement device of the GPS position indicator and a probe of the depth finder is urgently needed to be developed.
Disclosure of Invention
An object of the utility model is to provide a single just can easily swiftly fix GPS locater and the integration of depth finder probe, ensure that the position and the gesture of GPS locater and depth finder probe are accurate, the center of GPS locater and the center of depth finder probe are coaxial, improve measuring position's accuracy greatly, guarantee the high-quality fixed measuring device of integration of carrying on fast of GPS locater and depth finder probe that topography survey goes on under water, the device can effectively solve in the depth finder installation, the difficult fixed problem that just needs many people to assist of depth finder.
The purpose of the utility model is realized like this:
the utility model provides a fixed measuring device of integration of GPS locater and depth finder probe, the characteristic is: including GPS locater, depth finder, connecting pipe, depth finder probe, integration fixing device, GPS locater connecting cable and depth finder connecting cable, wherein:
the integrated fixing device consists of a ship surface fixing plate, a support body supporting plate, supporting plate bolts, supporting plate nuts, a support body, clamping plates, clamping plate bolts and clamping plate nuts, wherein the bottom of the ship surface fixing plate is fixed on a ship board of a transport ship, four supporting plate bolts which are arranged in a rectangular shape and have upward bolt heads are arranged at the top of the ship surface fixing plate, four supporting plate holes which correspond to the four supporting plate bolts and penetrate through the support body supporting plate are formed in the support body supporting plate, the four supporting plate bolts penetrate through the four supporting plate holes from bottom to top, the support body supporting plate is flatly placed on the ship surface fixing plate, the four supporting plate nuts are screwed into the four supporting plate bolts respectively, the support body supporting plate is fixed on the ship surface fixing plate, and the right end of the support body supporting plate exceeds the right end of the ship surface fixing plate; the bracket body with an opening facing the right and a horizontal section in the shape of 'Contraband' is vertically placed in a small room and is perpendicular to a bracket body supporting plate, the right end of the bracket body supporting plate is fixed with the upper part of the outer side wall of a left side plate of the bracket body, so that the bracket body is fixed on the bracket body supporting plate, two clamping plate bolts which are horizontally placed side by side and are perpendicular to the left side plate are respectively arranged in a clamping groove of the bracket body and on the upper part and the lower part of the inner side wall of the left side plate, bolt heads of the four clamping plate bolts are uniformly facing the right, the structures of an upper clamping plate and a lower clamping plate are completely the same, two clamping plate holes which correspond to the positions of the two horizontal clamping plate bolts and penetrate through the clamping plates are horizontally arranged in the middle of each clamping plate, the two upper clamping plate bolts respectively penetrate through the two clamping plate holes of the upper clamping plate from left to right, the upper clamping plate is vertically placed on the two clamping plate bolts, and two clamping plate nuts on the upper clamping plate are respectively screwed into the two clamping plate bolts on the upper clamping plate; the two lower splint bolts respectively penetrate through the two splint holes of the lower splint from left to right, so that the lower splint is vertically placed on the two lower splint bolts, and the two lower splint nuts are respectively screwed into the two lower splint bolts; the length of the connecting pipe is greater than that of the bracket body, the connecting pipe is inserted into the clamping groove of the bracket body from top to bottom, four clamping plate nuts are respectively screwed between the two clamping plate bolts on the upper part and between the two clamping plate bolts on the lower part, the upper clamping plate and the lower clamping plate press the connecting pipe in the clamping groove of the bracket body leftwards, and the connecting pipe is fixed on the bracket body;
a GPS positioning instrument is arranged at the top end of the connecting pipe, which extends out of the bracket body upwards, the upper end of a connecting cable of the GPS positioning instrument is connected with a position signal output end of the GPS positioning instrument, and the lower end of the connecting cable of the GPS positioning instrument is connected with a position signal input end of a depth finder arranged on a transport ship; the connecting pipe upper round hole penetrating through the connecting pipe side wall is formed in the upper side wall of the connecting pipe, the depth finder probe is arranged at the bottom end, extending out of the bracket body downwards, of the connecting pipe, the lower end of the depth finder connecting cable is connected with the depth signal output end of the depth finder probe, the upper end of the depth finder connecting cable penetrates through the upper round hole of the connecting pipe from bottom to top and then penetrates out of the upper round hole of the connecting pipe, and the upper round hole of the depth finder is connected with the depth signal input end of the depth finder placed on a transport ship.
The GPS locator is installed on the top end of the connecting pipe through threaded connection.
The upper side wall of the depth finder probe extending into the bottom end of the connecting pipe is provided with a probe screw hole, the bottom side wall of the connecting pipe and the position corresponding to the probe screw hole of the depth finder probe are provided with a connecting pipe lower round hole penetrating through the side wall of the connecting pipe, the butterfly bolt penetrates through the connecting pipe lower round hole from outside to inside and then is screwed into the probe screw hole, and the depth finder probe is arranged at the bottom end of the connecting pipe.
Round hole in the connecting pipe that the middle part lateral wall at the connecting pipe is equipped with the even spaced of a plurality of is equipped with a cylindrical protrusion on the splint on it inwards, cylindrical protrusion just can insert in the connecting pipe round hole at connecting pipe middle part, can be used for fixing and adjust the degree of depth that the connecting pipe inserted the surface of water, also can prevent that the connecting pipe from taking place to become flexible and falling downwards under the impact of rivers.
The distance between the two upper splint bolts is equal to the distance between the two lower splint bolts, and is slightly larger than the outer diameter of the connecting pipe.
The ship surface fixing plate is a steel plate with the thickness of 200mm multiplied by 10mm, the support body supporting plate is a steel plate with the thickness of 300mm multiplied by 200mm multiplied by 10mm, and the support body is a channel steel with the thickness of 500mm multiplied by 200mm multiplied by 10 mm.
The axis of the GPS locator and the axis of the probe of the depth finder are on the same vertical line, namely: the probe of the GPS locator and the probe of the depth finder are coaxial.
The utility model discloses a GPS locater, the depth finder, the connecting pipe, the depth finder probe, integration fixing device, GPS locater connecting cable and depth finder connecting cable, integration fixing device is by the hull fixed plate, the stake body backup pad, the backup pad bolt, the backup pad nut, the stake body, splint, the splint bolt, the splint nut is constituteed, integration fixing device passes through the hull fixed plate and the stake body backup pad is fixed on the ship board of transport ship, the connecting pipe passes through splint, the splint bolt, the splint nut is fixed on the stake body, make the GPS locater on connecting pipe top and the depth finder probe of bottom realize the integration, GPS locater and depth finder probe are connected with the depth finder through the cable respectively. The cylindrical protrusion on the upper clamping plate can be inserted into the round hole in the connecting pipe in the middle of the connecting pipe, so that the depth of the connecting pipe inserted into the water surface can be fixed and adjusted, and the connecting pipe can be prevented from loosening and falling downwards under the impact of water flow.
Compared with the prior art, the utility model has the advantages of:
1) After the GPS positioning instrument, the depth finder, the connecting pipe, the depth finder probe and the integrated fixing device are installed, the center of the GPS positioning instrument is coaxial with the center of the depth finder probe, namely the measured coordinates are the same, and the accuracy of measuring positions is greatly improved;
2) When underwater topographic survey is carried out, the utility model can be used for easily and quickly fixing the GPS position indicator and the depth finder probe integrally by one person, is simple and easy to operate, is stable and firm, ensures the accurate positions and postures of the GPS position indicator and the depth finder probe, saves manpower and material resources, shortens the investment of manpower and material resources, reduces the time cost and improves the working efficiency;
3) The underwater topographic surveying instrument is not easy to corrode and deform, can be recycled, improves the construction precision, and ensures that the underwater topographic surveying is performed rapidly and in good quality;
4) The structure is simple, the manufacture is convenient, the universality is strong, the application range is wide, the device is suitable for different operation environments, the device can be installed and used in various occasions, different operations can be simultaneously carried out, the construction operation flow is simplified, and the device can be popularized and used on a large scale.
The utility model discloses can effectively solve in the depth finder installation, the difficult fixed problem that just needs many people to assist of depth finder.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the integrated fixture;
FIG. 3 is a top view of the integrated fixture;
FIG. 4 is a schematic diagram of the connection of the GPS locator, the connecting pipe and the probe of the depth finder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a fixed measuring device of integration of GPS locater and depth finder probe, includes GPS locater 1, depth finder 2, connecting pipe 3, depth finder probe 4, integration fixing device 5, GPS locater connecting cable 6 and depth finder connecting cable 7, wherein:
the integrated fixing device 5 comprises a ship surface fixing plate 51, a support body supporting plate 52, supporting plate bolts 53, supporting plate nuts 54, a support body 55, clamping plates 56, clamping plate bolts 57 and clamping plate nuts 58, wherein the bottom of the ship surface fixing plate 51 is fixed on a ship board 81 of a transport ship 8, four supporting plate bolts 53 which are arranged in a rectangular shape and have upward bolt heads are arranged at the top of the ship surface fixing plate 51, four supporting plate holes 521 which correspond to the four supporting plate bolts 53 and penetrate through the support body supporting plate 52 are arranged on the support body supporting plate 52, the four supporting plate bolts 53 penetrate through the four supporting plate holes 521 from bottom to top, so that the support body supporting plate 52 is flatly placed on the ship surface fixing plate 51, the four supporting plate nuts 54 are screwed on the four supporting plate bolts 53 respectively, the support body supporting plate 52 is fixed on the ship surface fixing plate 51, and the right end of the support body supporting plate 52 exceeds the right end of the ship surface fixing plate 51; the support body 55 which is open towards the right and has a horizontal cross section in the shape of 'Contraband' is vertically placed in a small room and is perpendicular to the support body support plate 52, the right end of the support body support plate 52 is fixed with the upper part of the outer side wall of the left side plate 551 of the support body 55, so that the support body 55 is fixed on the support body support plate 52, two clamp plate bolts 57 which are horizontally placed side by side and are perpendicular to the left side plate 551 are respectively arranged in the clamping grooves 552 of the support body 55 and on the upper part and the lower part of the inner side wall of the left side plate 551, bolt heads of the four clamp plate bolts 57 are uniformly facing the right, the structures of the upper clamp plate 56 and the lower clamp plate 56 are completely the same, two clamp plate holes 561 which correspond to the positions of the two horizontal clamp plate bolts 57 and penetrate through the clamp plate 56 are horizontally arranged in the middle part of each clamp plate 56, the two clamp plate bolts 57 on the upper side penetrate through the two clamp plate holes 561 of the upper clamp plate 56 to the right side respectively, so that the upper clamp plate 56 is vertically placed on the two clamp plate bolts 57, and the upper clamp plate nuts 58 are screwed into the two clamp plate bolts 57 on the upper side respectively; the two lower splint bolts 57 respectively penetrate through the two splint holes 561 of the lower splint 56 from left to right, so that the lower splint 56 is vertically placed on the two lower splint bolts 57, and the two lower splint nuts 58 are respectively screwed into the two lower splint bolts 57; the length of the connecting pipe 3 is greater than that of the bracket body 55, the connecting pipe 3 is inserted into the clamping groove 552 of the bracket body 55 from top to bottom, and four clamping plate nuts 58 are respectively screwed between the two clamping plate bolts 57 on the upper side and between the two clamping plate bolts 57 on the lower side, so that the upper clamping plate 56 and the lower clamping plate 56 press the connecting pipe 3 in the clamping groove 552 of the bracket body 55 leftwards, and the connecting pipe 3 is fixed on the bracket body 55;
the top end of the connecting pipe 3 extending out of the bracket body 55 upwards is provided with a GPS locator 1, the upper end of a GPS locator connecting cable 6 is connected with the position signal output end of the GPS locator 1, and the lower end of the GPS locator connecting cable 6 is connected with the position signal input end of a depth finder 2 arranged on a transport ship 8; the upper side wall of the connecting pipe 3 is provided with a through connecting pipe side wall, the diameter of the connecting pipe upper round hole 31 is 2cm, the bottom end of the connecting pipe 3 extending out of the bracket body 55 downwards is provided with a depth finder probe 4, the lower end of a depth finder connecting cable 7 is connected with the depth signal output end of the depth finder probe 4, the upper end of the depth finder connecting cable 7 penetrates through the upper round hole 31 of the connecting pipe after penetrating to the upper side wall of the connecting pipe 3 from bottom to top, and is connected with the depth signal input end of a depth finder 2 placed on a transport ship 8.
The GPS locator 1 is installed at the top end of the connecting pipe 3 through threaded connection.
The upper side wall of the depth finder probe 4 extending into the bottom end of the connecting pipe 3 is provided with a probe screw hole 41, the bottom side wall of the connecting pipe 3 and the position corresponding to the probe screw hole 41 of the depth finder probe 4 are provided with a connecting pipe lower circular hole 32 penetrating through the side wall of the connecting pipe 3, a butterfly bolt 42 penetrates through the connecting pipe lower circular hole 32 from outside to inside and then is screwed into the probe screw hole 41, and the depth finder probe 4 is installed at the bottom end of the connecting pipe 3.
The side wall of the middle part of the connecting pipe 3 is provided with 4 connecting pipe middle round holes 33 with the interval of 20cm and the diameter of 5.5mm, the upward surface of the upper clamping plate 56 is provided with a cylindrical protrusion 561, the diameter of the cylindrical protrusion 561 is 5mm, and the cylindrical protrusion 561 can be just inserted into the connecting pipe middle round hole 33 in the middle part of the connecting pipe 3 and is used for fixing and adjusting the depth of the connecting pipe 3 inserted into the water surface.
The distance between the upper two clamp bolts 57 is equal to the distance between the lower two clamp bolts 57, and is slightly larger than the outer diameter of the connection pipe 3.
The ship surface fixing plate 51 is a steel plate with the thickness of 200mm multiplied by 10mm, the bracket body supporting plate 52 is a steel plate with the thickness of 300mm multiplied by 200mm multiplied by 10mm, and the bracket body 55 is a channel steel with the thickness of 500mm multiplied by 200mm multiplied by 10 mm.
The axis of the GPS locator 1 and the axis of the depth finder probe 4 are on the same vertical line, namely: the GPS locator 1 and the depth finder probe 4 are coaxial.
The working principle is as follows:
A. firstly, a depth finder connecting cable 7 of a depth finder probe 4 penetrates through the bottom end of a connecting pipe 3, penetrates out of a round hole 31 on the connecting pipe with the diameter of 2cm at the top of the connecting pipe 3, is connected to a depth finder 2 on a transport ship 8, and then a butterfly bolt 42 at the lower part of the connecting pipe 3 is aligned to a probe screw hole 41 of the depth finder probe 4 and screwed tightly to complete the fixation of the depth finder probe 4;
B. the GPS locator 1 is installed at the top end of the support body 55 through threaded connection, and the GPS locator 1 is connected with the depth finder 2 through a GPS locator connecting cable 6;
C. under the condition that the depth of the connecting pipe 3 inserted into the water surface is enough, according to the height from the chord of the ship to the water surface, the cylindrical protrusion 561 on the upper clamping plate 56 is aligned to the circular hole 33 in one proper connecting pipe in 4 middle parts of the connecting pipe 3, the connecting pipe 3 is placed into the clamping groove 552 of the bracket body 55, the upper clamping plate 56 and the lower clamping plate 56 are sleeved in the clamping plate bolt 57 on the bracket body 55, the clamping plate nut 58 is screwed down, the connecting pipe 3 is fixed on the bracket body 55, and the position finder 1 and the depth finder probe 4 on the connecting pipe 3 are integrated;
d. The bracket body support plate 52 is fixed to the hull fixing plate 51 by the support plate bolt 53 and the support plate nut 54, and the integrated fixed measuring device 5 is integrally connected to the hull, so that the water depth measuring operation can be started.
The present invention is not limited to the above preferred embodiments, and any other various products can be obtained by anyone in light of the present invention, but any changes in the shape or structure thereof, which are similar or identical to the technical solution of the present invention, are within the protection scope thereof.
Claims (6)
1. The utility model provides a fixed measuring device of integration of GPS locater and depth finder probe which characterized in that: including GPS locater, depth finder, connecting pipe, depth finder probe, integration fixing device, GPS locater connecting cable and depth finder connecting cable, wherein:
the integrated fixing device consists of a ship surface fixing plate, a support body supporting plate, supporting plate bolts, supporting plate nuts, a support body, clamping plates, clamping plate bolts and clamping plate nuts, wherein the bottom of the ship surface fixing plate is fixed on a ship board of a transport ship, four supporting plate bolts which are arranged in a rectangular shape and have upward bolt heads are arranged at the top of the ship surface fixing plate, four supporting plate holes which correspond to the four supporting plate bolts and penetrate through the support body supporting plate are formed in the support body supporting plate, the four supporting plate bolts penetrate through the four supporting plate holes from bottom to top, the support body supporting plate is flatly placed on the ship surface fixing plate, the four supporting plate nuts are screwed into the four supporting plate bolts respectively, the support body supporting plate is fixed on the ship surface fixing plate, and the right end of the support body supporting plate exceeds the right end of the ship surface fixing plate; the bracket body with an opening facing the right and a horizontal section in the shape of 'Contraband' is vertically placed in a small room and is perpendicular to a bracket body supporting plate, the right end of the bracket body supporting plate is fixed with the upper part of the outer side wall of a left side plate of the bracket body, so that the bracket body is fixed on the bracket body supporting plate, two clamping plate bolts which are horizontally placed side by side and are perpendicular to the left side plate are respectively arranged in a clamping groove of the bracket body and on the upper part and the lower part of the inner side wall of the left side plate, bolt heads of the four clamping plate bolts are uniformly facing the right, the structures of an upper clamping plate and a lower clamping plate are completely the same, two clamping plate holes which correspond to the positions of the two horizontal clamping plate bolts and penetrate through the clamping plates are horizontally arranged in the middle of each clamping plate, the two upper clamping plate bolts respectively penetrate through the two clamping plate holes of the upper clamping plate from left to right, the upper clamping plate is vertically placed on the two clamping plate bolts, and two clamping plate nuts on the upper clamping plate are respectively screwed into the two clamping plate bolts on the upper clamping plate; the two lower splint bolts respectively penetrate through the two splint holes of the lower splint from left to right, so that the lower splint is vertically placed on the two lower splint bolts, and the two lower splint nuts are respectively screwed into the two lower splint bolts; the length of the connecting pipe is greater than that of the bracket body, the connecting pipe is inserted into the clamping groove of the bracket body from top to bottom, four clamping plate nuts are respectively screwed between the two clamping plate bolts on the upper part and between the two clamping plate bolts on the lower part, the upper clamping plate and the lower clamping plate press the connecting pipe in the clamping groove of the bracket body leftwards, and the connecting pipe is fixed on the bracket body;
a GPS positioning instrument is arranged at the top end of the connecting pipe, which extends out of the bracket body upwards, the upper end of a connecting cable of the GPS positioning instrument is connected with the position signal output end of the GPS positioning instrument, and the lower end of the connecting cable of the GPS positioning instrument is connected with the position signal input end of a depth finder arranged on a transport ship; the connecting pipe upper round hole penetrating through the connecting pipe side wall is formed in the upper side wall of the connecting pipe, the depth finder probe is arranged at the bottom end, extending out of the bracket body downwards, of the connecting pipe, the lower end of the depth finder connecting cable is connected with the depth signal output end of the depth finder probe, the upper end of the depth finder connecting cable penetrates through the upper round hole of the connecting pipe from bottom to top and then penetrates out of the upper round hole of the connecting pipe, and the upper round hole of the depth finder is connected with the depth signal input end of the depth finder placed on a transport ship.
2. The integrated fixed measurement device of a GPS locator and depth finder probe according to claim 1, wherein: the side wall of the middle part of the connecting pipe is provided with a plurality of connecting pipe middle round holes which are evenly spaced, the inner surface of the upper clamping plate is provided with a cylindrical protrusion, and the cylindrical protrusion can just be inserted into the connecting pipe middle round hole in the middle part of the connecting pipe.
3. The integrated fixed measurement device of the GPS locator and the depth finder probe according to claim 1, wherein: the upper side wall of the depth finder probe extending into the bottom end of the connecting pipe is provided with a probe screw hole, the bottom side wall of the connecting pipe and the position corresponding to the probe screw hole of the depth finder probe are provided with a connecting pipe lower round hole penetrating through the side wall of the connecting pipe, the butterfly bolt penetrates through the connecting pipe lower round hole from outside to inside and then is screwed into the probe screw hole, and the depth finder probe is arranged at the bottom end of the connecting pipe.
4. The integrated fixed measurement device of a GPS locator and depth finder probe according to claim 1, wherein: the GPS locator is installed on the top end of the connecting pipe through threaded connection.
5. The integrated fixed measurement device of a GPS locator and depth finder probe according to claim 1, wherein: the distance between the two splint bolts at the upper part is equal to the distance between the two splint bolts at the lower part, and is slightly larger than the outer diameter of the connecting pipe.
6. The integrated fixed measurement device of the GPS locator and the depth finder probe according to claim 1, wherein: the axis of GPS locator and the axis of depth finder probe are on same vertical line, promptly: the probe of the GPS locator and the probe of the depth finder are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963167.8U CN217543398U (en) | 2022-04-25 | 2022-04-25 | Integrated fixed measuring device of GPS locator and depth finder probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963167.8U CN217543398U (en) | 2022-04-25 | 2022-04-25 | Integrated fixed measuring device of GPS locator and depth finder probe |
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| CN217543398U true CN217543398U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220963167.8U Active CN217543398U (en) | 2022-04-25 | 2022-04-25 | Integrated fixed measuring device of GPS locator and depth finder probe |
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| CN (1) | CN217543398U (en) |
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- 2022-04-25 CN CN202220963167.8U patent/CN217543398U/en active Active
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