CN113928476A - Shipborne single-beam depth finder mounting device - Google Patents
Shipborne single-beam depth finder mounting device Download PDFInfo
- Publication number
- CN113928476A CN113928476A CN202111165950.6A CN202111165950A CN113928476A CN 113928476 A CN113928476 A CN 113928476A CN 202111165950 A CN202111165950 A CN 202111165950A CN 113928476 A CN113928476 A CN 113928476A
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- disc
- depth finder
- ball
- mounting plate
- bolt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B2017/0045—Caps, hoods, or the like devices for protective purposes, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Actuator (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a ship-borne single-beam depth finder mounting device which comprises a depth finder, wherein a mounting plate is mounted at the lower end of the depth finder, bolts penetrate through two sides of the mounting plate, a buffer layer is embedded at the upper end of the mounting plate, a transmission mechanism capable of increasing buffer while reinforcing mounting is arranged in the mounting plate, the transmission mechanism comprises a snap ring, a convex strip, a track, a ball, a lantern ring and a slide block, the snap ring surrounds the outer side of the bolt, the convex strip is mounted at one side of the snap ring, the track is embedded in the convex strip, the ball moves in the track, the lantern ring is slidably embedded at the upper end of the ball, the slide block slides at one end of the lantern ring, when the buffer layer and the depth finder are impacted, the buffer layer can drive a disc to swing through a rotary bearing by utilizing extrusion force, a shaft arm and a rotating shaft can be driven to swing in an angle when the disc swings, and the ball can roll in the track, utilize supporting between ball and the disc to use, can form the protection to the inside of mounting panel, form the buffering protection to the depth finder simultaneously.
Description
Technical Field
The invention relates to the technical field of depth sounder installation, in particular to a shipborne single-beam depth sounder installation device.
Background
The ship-borne single-beam depth sounder is a device for measuring and drawing submarine topography and water depth by using multi-beam echo signals, and the depth sounder needs to be installed through an installation device during working, so that the depth sounding of the depth sounder is facilitated, and the technology aiming at the installation device is inspired;
at present, a CN202022684544.8 installation device of a ship-borne single-beam depth finder in the prior art discloses an installation device, and the installation device of the ship-borne single-beam depth finder of the invention not only facilitates the rapid assembly and disassembly of the single-beam depth finder, but also has very simple and convenient operation, does not need to use other auxiliary tools for installation, improves the rapidity of installation, and the installed single-beam depth finder has good buffer performance, and can control the buffer function according to the actual situation, thereby improving the use effect of the installed single-beam depth finder, but also has the following problems;
the installation device is usually a cylindrical bolt for through installation, and the bolt is only installed through the thread groove, so the bolt is easy to loosen after being used for a long time, the fastening performance between the bolt and the installation device cannot be further increased when the bolt is installed in a through mode by the comparison file, and the buffering effect of the installation device cannot be increased while the comparison file is reinforced.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a mounting device for a shipborne single beam depth finder, so as to solve the above problems described in the background art.
The invention relates to a ship-borne single-beam depth finder mounting device, which has the purpose and the effect achieved by the following specific technical means: the utility model provides a ship-borne single beam depth finder installation device, includes the depth finder, the mounting panel is installed to the lower extreme of depth finder, the both sides of mounting panel are run through there is the bolt, the upper end of mounting panel is inlayed and is had the buffer layer, the inside of mounting panel is equipped with the drive mechanism that can increase the buffering in the reinforcement installation.
Further, drive mechanism includes snap ring, sand grip, track, ball, the lantern ring and slider, and the snap ring encircles in the outside of bolt, and the sand grip is installed in one side of snap ring, and the track embedding is installed in the inside of sand grip, and the ball moves in orbital inside, and the lantern ring slides nestedly in the upper end of ball, and the slider slides in the one end of lantern ring.
Furthermore, a thread groove is embedded in one side, close to the bolt, of the clamping ring, the clamping ring is arranged in a semicircular arc shape, the track is transversely arranged, the lantern ring is arranged in a semicircular arc shape, and the sliding block slides and extends to the outer side of the track.
Further, the semicircle angle of snap ring is 180, and during the bolt rotation, the snap ring is synchronous revolution, and rotation angle is for being less than 90, and when the bolt did not run through the inside of mounting panel, the snap ring was static in the inside of mounting panel, and bolt and snap ring are for cup jointing the swing.
Further, the inside both sides of mounting panel are all located to snap ring and sand grip, and the inside of sand grip is the cavity form setting, and the track can make things convenient for the sand grip when the swing, ball synchronous motion.
Further, drive mechanism includes armshaft, pivot, disc, connecting rod, swivel bearing, slide rail, telescopic link and joint board, and the armshaft slides in one side of slider, and the pivot is rotatory in the one end of armshaft, and the disc swings in the side of pivot, and one side of pivot is kept away from to the disc is located to the connecting rod, and swivel bearing swings in the upper end of disc, and the slide rail imbeds in the inside both sides of disc, and the telescopic link is flexible in the inside of disc, and the joint board slides the nestification in the inside of slide rail.
Further, the armshaft extends to the outside of sand grip, and the armshaft is "L" form with the pivot combination, and the pivot swing is in the centre of disc lower extreme, and the disc is the semicircle arcuation setting, and the connecting rod runs through between the disc, and swivel bearing articulates in the inner wall of mounting panel, and the slide rail is slope 15-25 and sets up, and the telescopic link is two sections and cup joints the setting, and one of them section slip nestification of telescopic link is in the inside of slide rail, and the joint board is the setting of inversion "L" form, and the one end of joint board and telescopic link is the slip nestification.
Furthermore, the semi-circular arc angle of the disks is set to be 45 degrees, the disks are respectively arranged on two sides of the inner portion of the mounting plate, and the disks are linked through the connecting rod.
Furthermore, the rotating bearing is installed at the lower end of the buffer layer, and the rotating bearing can facilitate the disc to horizontally swing.
Further, when the disc swings for the first time, the telescopic link is back because disc inclination, and then the joint board can drop to the outside of disc, and when the disc was static, the telescopic link can prescribe a limit to the joint board position.
Has the advantages that:
1. the bolt drives the clamping ring and the raised line to synchronously swing, the balls in the raised line synchronously swing, the balls can drive the sliding block to horizontally slide through the lantern ring, when the bolt stops rotating, the raised line synchronously stands, the balls rotate and move in opposite directions in the track due to inertia, and meanwhile, the sliding block synchronously moves, so that the transmission mechanism can reciprocate when the bolt rotates and penetrates through the transmission mechanism;
2. when the sliding block swings, the shaft arm drives the rotating shaft to swing synchronously, so that the discs can swing synchronously, when the discs swing, the telescopic rods retract due to the inclination angles of the discs, so that the clamping plates can fall to the outer sides of the discs, and the clamping plates are embedded into the inner sides of the mounting plates, so that the bolts and the mounting plates can be further reinforced through a transmission mechanism, and the overall fastening effect of the bolts is improved;
3. when buffer layer and depth finder received the striking, the buffer layer can utilize the extrusion force to drive the disc and pass through the swivel bearing swing, can drive the armshaft and be the angle swing with the pivot during the disc swing, and then the ball can roll in orbital inside, utilizes the supporting use between ball and the disc, can form the protection to the inside of mounting panel, forms the buffering protection to the depth finder simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic cross-sectional view of the mounting plate of the present invention.
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
FIG. 4 is a schematic view of a snap ring structure according to the present invention.
FIG. 5 is a schematic cross-sectional view of a protrusion strip according to the present invention.
Fig. 6 is a schematic view of the disc assembly of the present invention.
FIG. 7 is a schematic cross-sectional view of a disk according to the present invention.
FIG. 8 is an enlarged view of the structure at B in FIG. 7 according to the present invention.
In fig. 1 to 8, the correspondence between the component names and the reference numbers is:
1-depth finder, 101-mounting plate, 102-bolt, 103-buffer layer, 2-snap ring, 201-convex strip, 202-track, 203-ball, 204-lantern ring, 205-slide block, 3-shaft arm, 301-rotating shaft, 4-disc, 401-connecting rod, 402-rotary bearing, 403-sliding rail, 5-telescopic rod and 501-snap plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b):
as shown in figures 1 to 8:
example 1: a ship-borne single-beam depth finder mounting device comprises a depth finder 1, wherein a mounting plate 101 is mounted at the lower end of the depth finder 1, bolts 102 penetrate through two sides of the mounting plate 101, a buffer layer 103 is embedded at the upper end of the mounting plate 101, and a transmission mechanism capable of increasing buffer while reinforcing mounting is arranged in the mounting plate 101;
wherein: the depth finder 1 is electrically connected with a power supply through a power line, the buffer layer 103 is made of rubber, the interior of the mounting plate 101 is hollow, the bolt 102 and a matched hole penetrate through two sides of the mounting plate 101, the bolt 102 drives a transmission mechanism when rotating, the transmission mechanism can assist the bolt 102 to further reinforce the mounting plate 101, and when the upper end of the buffer layer 103 is impacted, the transmission mechanism can be used for forming buffer protection;
the buffer layer 103 is arranged, the thickness of the buffer layer 103 is larger than 2cm, and the buffer layer 103 can assist the buffer layer 103 in supporting and protecting the depth finder 1;
referring to the attached drawings 1 to 5 of the specification, the transmission mechanism comprises a snap ring 2, a convex strip 201, a track 202, a ball 203, a collar 204 and a slide block 205, wherein the snap ring 2 surrounds the outer side of the bolt 102, the convex strip 201 is installed on one side of the snap ring 2, the track 202 is embedded and installed inside the convex strip 201, the ball 203 moves inside the track 202, the collar 204 is slidably nested at the upper end of the ball 203, and the slide block 205 is slidably arranged at one end of the collar 204;
a thread groove is embedded in one side, close to the bolt 102, of the clamping ring 2, the clamping ring 2 is arranged in a semicircular arc shape, the track 202 is transversely arranged, the lantern ring 204 is arranged in a semicircular arc shape, and the sliding block 205 slides and extends to the outer side of the track 202;
wherein: the bolt 102 drives the snap ring 2 and the convex strip 201 to synchronously swing, the balls 203 in the convex strip 201 synchronously swing, the balls 203 can drive the sliding block 205 to horizontally slide through the lantern ring 204, when the bolt 102 stops rotating, the convex strip 201 synchronously stops, the balls 203 rotate and move in opposite directions in the track 202 due to inertia, and meanwhile, the sliding block 205 synchronously moves, so that the transmission mechanism can reciprocate when the bolt 102 rotates and penetrates through the transmission mechanism;
when the bolt 102 rotates and penetrates through the inside of the mounting plate 101, the bolt 102 drives the snap ring 2 and the convex strip 201 to synchronously swing, the balls 203 inside the convex strip 201 synchronously swing, the balls 203 can drive the sliding block 205 to horizontally slide through the lantern ring 204, when the bolt 102 stops rotating, the convex strip 201 synchronously stops, the balls 203 rotate and move in the opposite direction inside the track 202 due to inertia, and meanwhile, the sliding block 205 synchronously moves;
wherein: the semi-arc angle of the clamping ring 2 is 180 degrees, when the bolt 102 rotates, the clamping ring 2 synchronously rotates, and the rotating angle is smaller than 90 degrees;
when the bolt 102 does not penetrate through the inside of the mounting plate 101, the clamping ring 2 is still inside the mounting plate 101, and the bolt 102 and the clamping ring 2 are in sleeved swinging;
the convex strip 201, the snap ring 2 and the convex strip 201 are arranged on two sides of the inner part of the mounting plate 101, and the inner part of the convex strip 201 is arranged in a hollow shape;
the rail 202 can facilitate the synchronous movement of the balls 203 when the convex strip 201 swings;
the semi-circular arc angle of the lantern ring 204 is 180 degrees, and when the ball 203 rotates and moves, the lantern ring 204 moves horizontally;
the sliding block 205, the lantern ring 204 and the ball 203 are arranged in a matched mode, when the bolt 102 rotates, the sliding block 205 and the ball 203 move synchronously, when the bolt 102 and the snap ring 2 are static, the ball 203 moves in the opposite direction due to inertia, and therefore the sliding block 205 can move synchronously in the opposite direction;
example 2: as can be seen from fig. 4 to 8 in the specification, embodiment 2 is different from embodiment 1 in that the transmission mechanism includes a shaft arm 3, a rotating shaft 301, a disc 4, a connecting rod 401, a rotating bearing 402, a sliding rail 403, a telescopic rod 5 and a clamping plate 501, the shaft arm 3 slides on one side of the slider 205, the rotating shaft 301 rotates at one end of the shaft arm 3, the disc 4 swings on a side surface of the rotating shaft 301, the connecting rod 401 is disposed on one side of the disc 4 away from the rotating shaft 301, the rotating bearing 402 swings on an upper end of the disc 4, the sliding rail 403 is embedded in two sides inside the disc 4, the telescopic rod 5 is telescopic inside the disc 4, and the clamping plate 501 is slidably nested inside the sliding rail;
the shaft arm 3 extends to the outer side of the convex strip 201, the shaft arm 3 and the rotating shaft 301 are combined to be in an L shape, the rotating shaft 301 swings in the middle of the lower end of the disc 4, the disc 4 is arranged in a semicircular arc shape, the connecting rod 401 penetrates through the disc 4, the rotating bearing 402 is hinged to the inner wall of the mounting plate 101, the sliding rail 403 is inclined by 15-25 degrees, the telescopic rod 4 is arranged in a sleeved mode in two sections, one section of the telescopic rod 4 is nested in the sliding rail 403 in a sliding mode, the clamping plate 501 is arranged in an inverted L shape, and the clamping plate 501 and one end of the telescopic rod 4 are nested in a sliding mode;
wherein: when the sliding block 205 swings, the shaft arm 3 drives the rotating shaft 301 to swing synchronously, so that the discs 4 can swing synchronously, when the discs 4 swing, the telescopic rod 5 retracts due to the inclination angle of the discs 4, the clamping plate 501 can fall to the outer side of the discs 4, and the clamping plate 501 is embedded in the inner side of the mounting plate 101, so that the bolt 102 and the mounting plate 101 can be further reinforced through a transmission mechanism, and the integral fastening effect of the bolt 102 is improved;
when the buffer layer 103 and the depth finder 1 are impacted, the buffer layer 103 can drive the disc 4 to swing through the rotary bearing 402 by using extrusion force, the disc 4 can drive the shaft arm 3 and the rotating shaft 301 to swing at an angle when swinging, and then the ball 203 can roll in the track 202, and by using the ball 203 and the disc 4 in a matched manner, the interior of the mounting plate 101 can be protected, and meanwhile, the depth finder 1 can be protected in a buffering manner;
when the sliding block 205 swings, the shaft arm 3 drives the rotating shaft 301 to swing synchronously, so that the discs 4 can swing synchronously, when the discs 4 swing, the telescopic rod 5 retracts due to the inclination angle of the discs 4, the clamping plate 501 can fall to the outer side of the discs 4, and the clamping plate 501 is embedded into the inner side of the mounting plate 101;
when the buffer layer 103 and the depth finder 1 are impacted, the buffer layer 103 can drive the disc 4 to swing through the rotary bearing 402 by using extrusion force, the disc 4 can drive the shaft arm 3 and the rotating shaft 301 to swing at an angle when swinging, and then the ball 203 can roll in the track 202, and the ball 203 and the disc 4 are used in a matched manner;
wherein: when the shaft arm 3 and the sliding block 205 slide, the shaft arm 3 and the rotating shaft 301 swing synchronously, so that the shaft arm 3 can drive the disc 4 to swing horizontally and reciprocally through the rotating shaft 301;
the disc 4, the shaft arm 3 and the sliding block 205 are mutually linked;
the disc 4 is arranged at a semicircular arc angle of 45 degrees, the discs 4 are respectively arranged at two sides in the mounting plate 101, and the discs 4 are linked by the connecting rod 401;
the rotary bearing 402 is arranged at the lower end of the buffer layer 103, and the rotary bearing 402 can facilitate the disc 4 to horizontally swing;
the slide rails 403 are integrally distributed in an eight-shaped manner, the slide rails 403 are arranged in an inverted concave manner, and the slide rails 403 can facilitate the clamping plate 501 to slide and extend to the outer side of the disc 4;
when the disc 4 swings for the first time, the telescopic rod 5 retracts due to the inclination angle of the disc 4, so that the clamping plate 501 can fall to the outer side of the disc 4, and when the disc 4 is static, the telescopic rod 5 can limit the position of the clamping plate 501;
a groove is embedded in the mounting plate 101 close to the inner side of the clamping plate 501, the clamping plate 501 is nested with the groove in a sliding manner, and the groove is arranged in a shape of a straight line;
Claims (10)
1. The utility model provides a ship-borne single beam depth finder installation device which characterized in that: comprises that
The depth finder comprises a depth finder (1), wherein a mounting plate (101) is mounted at the lower end of the depth finder (1), bolts (102) penetrate through two sides of the mounting plate (101), and a buffer layer (103) is embedded at the upper end of the mounting plate (101);
the depth finder (1) is electrically connected with a power supply through a power line, the buffer layer (103) is made of rubber, the interior of the mounting plate (101) is arranged in a hollow shape, and bolts (102) and matched holes penetrate through two sides of the mounting plate (101);
the buffer layer (103), the thickness of the buffer layer (103) is more than 2cm, and the arrangement of the buffer layer (103) which is more than 2cm can assist the buffer layer (103) in supporting and protecting the depth finder (1);
the transmission mechanism is arranged in the mounting plate (101) and can increase buffering while being installed in a reinforcing manner;
the bolt fastening structure comprises a clamping ring (2) and a convex strip (201), wherein the clamping ring (2) surrounds the outer side of the bolt (102), and the convex strip (201) is installed on one side of the clamping ring (2);
one side of the clamping ring (2) close to the bolt (102) is embedded with a thread groove, and the clamping ring (2) is arranged in a semicircular arc shape.
2. The shipborne single beam depth finder mounting device of claim 1, wherein: the transmission mechanism comprises a track (202), a ball (203), a sleeve ring (204) and a sliding block (205), the track (202) is embedded in the convex strip (201), the ball (203) moves in the track (202), the sleeve ring (204) is nested at the upper end of the ball (203) in a sliding mode, and the sliding block (205) slides at one end of the sleeve ring (204).
3. The on-board single beam depth finder mounting device of claim 2, wherein: the track (202) is transversely arranged, the lantern ring (204) is arranged in a semicircular arc shape, and the sliding block (205) slides and extends to the outer side of the track (202).
4. The shipborne single beam depth finder mounting device of claim 1, wherein: the semi-arc angle of the snap ring (2) is 180 degrees, when the bolt (102) rotates, the snap ring (2) rotates synchronously, and the rotating angle is smaller than 90 degrees.
5. The on-board single beam depth finder mounting device of claim 2, wherein: the sliding block (205), the lantern ring (204) and the ball (203) are arranged in a matched mode, when the bolt (102) rotates, the sliding block (205) and the ball (203) move synchronously, when the bolt (102) and the clamping ring (2) are static, the ball (203) moves in the opposite direction due to inertia, and then the sliding block (205) can move synchronously in the opposite direction.
6. The shipborne single beam depth finder mounting device of claim 1, wherein: drive mechanism includes armshaft (3), pivot (301), disc (4), connecting rod (401), swivel bearing (402), slide rail (403), telescopic link (5) and joint board (501), armshaft (3) slide in one side of slider (205), pivot (301) are rotatory in the one end of armshaft (3), disc (4) swing in the side of pivot (301), one side of pivot (301) is kept away from in disc (4) is located in connecting rod (401), swivel bearing (402) swing in the upper end of disc (4), slide rail (403) are embedded in the inside both sides of disc (4), telescopic link (5) stretch out and draw back in the inside of disc (4), joint board (501) slide nested in the inside of slide rail (403).
7. The on-board single beam depth finder mounting device of claim 6, wherein: the shaft arm (3) extends to the outer side of the protruding strip (201), the shaft arm (3) and the rotating shaft (301) are combined in an L shape, and the rotating shaft (301) swings in the middle of the lower end of the disc (4).
8. The on-board single beam depth finder mounting device of claim 6, wherein: the disks (4) are arranged in a semicircular arc shape, the connecting rod (401) penetrates through the disks (4), and the rotary bearing (402) is hinged to the inner wall of the mounting plate (101).
9. The on-board single beam depth finder mounting device of claim 6, wherein: the sliding rail (403) is inclined by 15-25 degrees, the telescopic rod (4) is sleeved in two sections, and one section of the telescopic rod (4) is nested in the sliding rail (403) in a sliding manner;
when disc (4) swung for the first time, telescopic link (5) are back and back because disc (4) inclination, and then joint board (501) can drop to the outside of disc (4), and disc (4) when static, and telescopic link (5) can be injectd joint board (501) position.
10. The on-board single beam depth finder mounting device of claim 6, wherein: the clamping and connecting plate (501) is arranged in an inverted L shape, and one end of the clamping and connecting plate (501) and one end of the telescopic rod (4) are nested in a sliding mode;
the mounting plate (101) is embedded with a groove close to the inner side of the clamping plate (501), the clamping plate (501) is nested with the groove in a sliding mode, and the groove is arranged in a 'one' shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111165950.6A CN113928476B (en) | 2021-09-30 | 2021-09-30 | Shipborne single-beam depth finder mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111165950.6A CN113928476B (en) | 2021-09-30 | 2021-09-30 | Shipborne single-beam depth finder mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113928476A true CN113928476A (en) | 2022-01-14 |
| CN113928476B CN113928476B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111165950.6A Active CN113928476B (en) | 2021-09-30 | 2021-09-30 | Shipborne single-beam depth finder mounting device |
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| CN213705704U (en) * | 2020-11-18 | 2021-07-16 | 青岛中海基业海洋科技有限公司 | Shipborne single-beam depth finder mounting device |
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| CN104009423A (en) * | 2013-02-25 | 2014-08-27 | 山西全安新技术开发有限公司 | Mouthpiece anti-loose device and anti-loose method |
| CN205505976U (en) * | 2016-03-08 | 2016-08-24 | 贵州中交贵瓮高速公路有限公司 | Be used for suspension bridge main push -towing rope PPWS strand measuring prism pole |
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| CN213705704U (en) * | 2020-11-18 | 2021-07-16 | 青岛中海基业海洋科技有限公司 | Shipborne single-beam depth finder mounting device |
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| Publication number | Publication date |
|---|---|
| CN113928476B (en) | 2022-08-23 |
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