阅读说明：本技术 一种安全升降的防护式多波束前视声呐及其升降方法 (Safe lifting protection type multi-beam forward-looking sonar and lifting method thereof ) 是由 阮唯 洪坤 顾郑强 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种安全升降的防护式多波束前视声呐及其升降方法,其包括限位机构,限位机构内活动穿插有升降机构,升降机构的一侧设置有两个转动线筒,且转动线筒上活动搭接有钢索,两个所述钢索的底端活动连接有转盘,且转盘内壁相对的一侧活动连接有传动齿轮和齿轮轴,所述齿轮轴的底端贯穿转盘并与其下方的声呐本体的顶端活动连接。本发明可快速将升降机构安装至船侧,方便后期调整的拆装以及维护,并使声呐本体在升降的同时,有效避免受洋流拨动导致声呐本体出现大幅度晃动,提高稳定性,同时多个定位杆机构首尾相接可无限延长声呐探测的水深。(The invention discloses a safe lifting protection type multi-beam forward-looking sonar and a lifting method thereof. The invention can quickly install the lifting mechanism to the side of the ship, is convenient for later-period adjustment, disassembly, assembly and maintenance, effectively avoids the large-amplitude shaking of the sonar body caused by the stirring of ocean currents while the sonar body is lifted, improves the stability, and can infinitely prolong the water depth of sonar detection by connecting a plurality of positioning rod mechanisms end to end.)

1. The utility model provides a protection multi-beam forward-looking sonar of safe lift, includes stop gear (1), its characterized in that: a lifting mechanism (2) is movably inserted in the limiting mechanism (1), two rotating bobbins (3) are arranged on one side of the lifting mechanism (2), and the rotating bobbin (3) is movably lapped with steel cables (4), the bottom ends of the two steel cables (4) are movably connected with a rotating disc (5), and one side of the inner wall of the turntable (5) opposite to the inner wall is movably connected with a transmission gear (6) and a gear shaft (7), the bottom end of the gear shaft (7) penetrates through the turntable (5) and is movably connected with the top end of the sonar body (8) below the turntable, the top of the turntable (5) is fixedly connected with a third motor (9), and the output end of the third motor (9) penetrates through the turntable (5) and is fixedly connected with the top of the transmission gear (6) at the inner side of the turntable, the transmission gear (6) is meshed with the gear shaft (7), and the top of the turntable (5) is movably inserted with a positioning rod mechanism (10).

2. The multi-beam forward-looking sonar of protection formula that goes up and down safely of claim 1, its characterized in that: stop gear (1) includes positioning seat (101), and positioning seat (101) activity cup joints on elevating system (2), positioning seat (101) inside activity is provided with transfer line (102), and one side fixedly connected with sleeve (103) of positioning seat (101), the one end of transfer line (102) run through sleeve (103) and rather than one side fixed connection of the rotation handle (104) of avris, a locking section of thick bamboo (105) has been cup jointed in sleeve (103) internalization, and a locking section of thick bamboo (105) internalization has cup jointed first spring (106), and a locking section of thick bamboo (105) and first spring (106) equal activity cup joints on transfer line (102), it has ball (107) to rotate one side activity nested that handle (104) is close to a locking section of thick bamboo (105).

3. The multi-beam forward-looking sonar of guard type that goes up and down safely of claim 2, characterized by: the lifting mechanism (2) comprises a mounting frame (201), one end of the mounting frame (201) is movably inserted into the positioning seat (101), a mechanical cavity (202) is formed in the mounting frame (201), a transmission shaft rod (203) and a first motor (204) are respectively and movably arranged in the mechanical cavity (202), an output end of the first motor (204) is fixedly connected with a rotating gear (205), the rotating gear (205) is meshed with the transmission shaft rod (203), a winding drum (206) is movably sleeved on the transmission shaft rod (203), one side of the inner wall of the mechanical cavity (202) is provided with two through grooves (207) penetrating through the side of the mechanical cavity, the other ends of the two steel cables (4) respectively penetrate through the two through grooves (207) and are fixedly connected with the two winding drums (206) on the inner side of the mechanical cavity, the top of the mounting frame (201) is respectively and fixedly connected with a second motor (208) and a lifting gear (209), and the output of second motor (208) and one side fixed connection of lifting gear (209), slide (210) have been alternate in the activity of one side of half end under mounting bracket (201), and one side fixedly connected with electronic push rod (211) of mounting bracket (201), and the top of slide (210) runs through mounting bracket (201) and rather than the output fixed connection of the electronic push rod (211) of top.

4. The multi-beam forward-looking sonar of protection formula that goes up and down safely of claim 1, its characterized in that: locating lever mechanism (10) include lifter (1001), and lifter (1001) activity is pegged graft at the top of carousel (5), the bottom fixedly connected with inserted bar (1002) of lifter (1001), and slot (1003) have been seted up on the top of lifter (1001), and slot (1003) inner wall relative one side has all seted up flexible chamber (1004), flexible chamber (1004) are fixed respectively to have cup jointed second spring (1005) and activity and have cup jointed flexible bolt (1006) in flexible chamber (1004), two flexible bolt (1006) relative one end runs through two flexible chambers (1004) respectively and extends to its outside.

5. The multi-beam forward-looking sonar of guard type that goes up and down safely of claim 2, characterized by: one side of the locking cylinder (105) close to the balls (107) is provided with a groove matched with the locking cylinder, the number of the balls (107) is not less than four, the outer wall of the locking cylinder (105) is provided with a sliding groove, and the sliding block on the inner wall of the sleeve (103) is connected in the sliding groove on the outer wall of the locking cylinder (105) in a sliding mode.

6. The multi-beam forward-looking sonar of guard type that goes up and down safely of claim 3, characterized by: one side of the mounting rack (201) is fixedly connected with two toothed bars, and the two toothed bars are movably inserted in the positioning seat (101) and meshed with the transmission rod (102) respectively.

7. The multi-beam forward-looking sonar of guard type that goes up and down safely of claim 3, characterized by: the lifting gear (209) is meshed with the lifting rod (1001), and the transmission shaft rod (203) is fixedly sleeved with a bevel gear matched with the rotating gear (205).

8. The use method of the safe lifting protective multi-beam forward-looking sonar according to claim 1, comprising the following steps:

s1, firstly, the positioning seat (101) is erected on the inner side of the ship guardrail, the mounting rack (201) is kept on the outer side of the ship guardrail, the handle (104) is rotated, the locking cylinder (105) is pushed to move towards the direction of the first spring (106) through the ball (107), the locking cylinder (105) is separated from the tight fit with the inner wall of the sleeve (103), so that the self-locking is relieved to drive the transmission rod (102) to rotate, the distance between the mounting rack (201) and the positioning seat (101) is adjusted through the two toothed bars meshed with the toothed bars, when the handle (104) is rotated in a stopping manner, the first spring (106) pushes the outer wall of the locking cylinder (105) to be tightly fitted with the inner wall of the sleeve (103), meanwhile, the ball (107) is nested in the groove to complete clamping self-locking, and the rapid installation of the sonar device is realized;

s2, connecting a plurality of positioning rod mechanisms (10) end to end, and being capable of infinitely extending the lengths of the positioning rod mechanisms to flexibly adapt to different installation requirements, specifically comprising the following steps of inserting the bottom ends of lifting rods (1001) into slots (1003) formed in the top ends of adjacent lifting rods (1001), forcibly rotating the lifting rods by 90 degrees, and under the cooperation of two second springs (1005), limiting the insertion rods (1002) by two telescopic bolts (1006), so that the positioning rod mechanisms are prevented from easily falling off in water and can be reversely operated when being disassembled;

s3, when the sonar needs to be settled, the first motor (204) is started to drive the transmission shaft rod (203) to rotate through the rotating gear (205), the steel cable (4) wound on the two winding drums (206) is slowly lowered through the two rotating line drums (3), and meanwhile, the second motor (208) drives the lifting gear (209) to rotate, thereby driving the lifting rod (1001) to be synchronously lowered, when the detection of the sonar body (8) needs to be adjusted reversely, when the third motor (9) is started, the gear shaft (7) can be driven to transversely rotate through the transmission gear (6), the lower half end of the gear shaft (7) drives the sonar body (8) to adjust the detection angle, and when the sonar needs to be upwards recovered, the steps are reversed, and finally the slide plate (210) is pushed by the electronic push rod (211) to extend to the lower part of the sonar body (8) so as to protect the sonar body and prevent the ship from falling due to violent oscillation.

Technical Field

The invention relates to the field of underwater acoustic communication, in particular to a sonar and a lifting method thereof.

Background

The forward-looking sonar is an active sonar and mainly comprises a transducer array, a transmitter, a receiver, a controller, a display and the like, wherein the transducer array is used for focusing sound wave signals in a preset direction, namely forming a beam in a required scanning direction. The emitted acoustic signal is transmitted underwater, and when the acoustic signal is reflected by obstacles such as reefs, naval vessels, fish schools and the like, an echo signal is generated.

The following problems in the prior art are not well solved: 1. the existing sonar mounting device and the fixed mechanical support have the problems that the mounting process is complex, the whole mounting and dismounting difficulty is high in later period if position adjustment and maintenance are needed, a marine navigation ship is bumpy, the folded sonar is easy to shake back and forth, and the safety is poor; 2. most of the existing sonar lifting is adjusted by winding a rope, but the underwater situation is complex, the rope is poor in stability, and the rope is easy to shake back and forth in the lifting process, so that the precise retraction of the sonar body is not facilitated, and uncontrollable factors are caused; 3. scanning sonar in advance to multibeam, it has the fast characteristics of imaging speed, is applicable to target detection under the high-speed state, but because there is the interference of sidelobe, the imaging effect is slightly different from single beam mechanical scanning sonar, when needing to acquire more accurate data image, needs the multi-angle to measure, and current sonar can't carry out accurate angle modulation under water.

Disclosure of Invention

The invention aims to provide a safe lifting protection type multi-beam forward-looking sonar and a lifting method thereof, aiming at solving the problems that the position adjustment proposed in the background technology is inflexible and has no protection effect on the sonar; the lifting stability is poor and the angle can not be adjusted underwater according to the measurement requirement. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a protection multi-beam foresight sonar of safe lift, includes stop gear, stop gear internalization alternates there is elevating system, one side of elevating system is provided with two rotation line section of thick bamboos, and the movable overlap joint has the cable wire, two on the rotation line section of thick bamboo the bottom swing joint of cable wire has the carousel, and the relative one side swing joint of carousel inner wall has drive gear and gear shaft, the bottom of gear shaft run through the carousel and rather than the top swing joint of the sonar body of below, the top fixedly connected with third motor of carousel, and the output of third motor run through the carousel and rather than the top fixed connection of inboard drive gear, drive gear and gear shaft meshing, the top activity of carousel is pegged graft and is had positioning rod mechanism.

Preferably, stop gear includes the positioning seat, and the positioning seat activity cup joints on elevating system, the inside activity of positioning seat is provided with the transfer line, and one side fixedly connected with sleeve of positioning seat, the one end of transfer line runs through the sleeve and rather than one side fixed connection of the rotation handle of avris, a locking section of thick bamboo has been cup jointed to the sleeve internalization, and a locking section of thick bamboo internalization has cup jointed first spring, and a locking section of thick bamboo and first spring equal activity cup joint on the transfer line, one side activity that the rotation handle is close to a locking section of thick bamboo is nested and is had the ball.

Preferably, the lifting mechanism comprises a mounting frame, one end of the mounting frame is movably inserted into the positioning seat, a mechanical cavity is formed in the mounting frame, a transmission shaft rod and a first motor are movably arranged in the mechanical cavity respectively, the output end of the first motor is fixedly connected with a rotating gear, the rotating gear is meshed with the transmission shaft rod, a winding drum is movably sleeved on the transmission shaft rod, two through grooves penetrating to the side of the mechanical cavity are formed in one side of the inner wall of the mechanical cavity, the other ends of the two steel cables respectively penetrate through the two through grooves and are fixedly connected with the two winding drums on the inner side of the steel cables, a second motor and a lifting gear are respectively and fixedly connected to the top of the mounting frame, the output end of the second motor is fixedly connected with one side of the lifting gear, a sliding plate is movably inserted into one side of the lower half end of the mounting frame, and an electronic push rod is fixedly connected to one side of the mounting frame, and the top end of the sliding plate penetrates through the mounting frame and is fixedly connected with the output end of the electronic push rod above the mounting frame.

Preferably, the locating lever mechanism includes the lifter, and the lifter activity is pegged graft at the top of carousel, the bottom fixedly connected with inserted bar of lifter, and the top of lifter has seted up the slot, and the relative one side of slot inner wall has all seted up flexible chamber, flexible intracavity is fixed the cup joint respectively has the second spring and has been cup jointed flexible bolt with the activity, two the relative one end of flexible bolt runs through two flexible chambers respectively and extends to its outside.

Preferably, a groove matched with the locking cylinder is formed in one surface, close to the balls, of the locking cylinder, the number of the balls is not less than four, a sliding groove is formed in the outer wall of the locking cylinder, and the sliding block of the inner wall of the sleeve is connected in the sliding groove of the outer wall of the locking cylinder in a sliding mode.

Preferably, one side of the mounting rack is fixedly connected with two toothed bars, and the two toothed bars are movably inserted into the positioning seat and meshed with the transmission rod respectively.

Preferably, the lifting gear is engaged with the lifting rod, and a bevel gear matched with the rotating gear is fixedly sleeved on the transmission shaft rod.

A use method of a safe lifting protective multi-beam forward-looking sonar comprises the following steps:

s1, firstly, the positioning seat is erected on the inner side of the ship guardrail, the mounting frame is kept on the outer side of the ship guardrail, the rotating handle is rotated, the locking cylinder is pushed by the balls to move towards the first spring, the locking cylinder is separated from tight fit with the inner wall of the sleeve, the self-locking is removed, the transmission rod is driven to rotate, therefore, the distance between the mounting frame and the positioning seat is adjusted through the two toothed bars meshed with the locking cylinder, when the rotating handle is stopped to rotate, the first spring pushes the outer wall of the locking cylinder to be tightly fit with the inner wall of the sleeve, meanwhile, the balls are nested in the grooves to complete clamping and self-locking, the rapid mounting of the sonar device is realized, the arrangement of the four balls can effectively reduce the rotating stroke, the backspacing phenomenon in the rotating process is avoided, the movably nested balls can rotate in the rotating process of the rotating handle, and obvious blocking and pause feeling can not occur;

s2, connecting a plurality of positioning rod mechanisms end to end, and being capable of infinitely prolonging the lengths of the positioning rod mechanisms to flexibly adapt to different installation requirements, specifically comprising the following steps of inserting the bottom ends of the lifting rods into slots formed in the top ends of the adjacent lifting rods, forcibly rotating the lifting rods by 90 degrees, and enabling the two telescopic bolts to limit the insertion rods under the matching of the two second springs, so that the insertion rods are prevented from easily falling off in water, and the reverse operation is only needed when the lifting rods need to be disassembled;

s3, when needs subside the sonar, it is rotatory to start first motor and make it pass through the running gear drive transmission axostylus axostyle, the cable wire that will twine on two bobbins slowly transfers through two rotation line section of thick bamboos, the second motor drives the lifting gear rotation simultaneously, thereby it transfers in step to drive the lifter, when the detection of needs adjustment sonar body is reverse, it both can drive gear shaft lateral rotation to start the third motor through drive gear, the lower half end of gear shaft drives the sonar body and carries out detection angle' S regulation, two cable wires still can play lift and stable effect to the both sides of the first end of carousel simultaneously, when needing upwards to retrieve the sonar, can according to above-mentioned step reverse operation, promote the below extension of slide to the sonar body through electron push rod at last, in order to play its protection and avoid the ship to acutely move and lead to the fact and drop.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the lifting mechanism can be quickly installed to the ship side through the arrangement of the limiting mechanism, so that later-stage adjustment disassembly, assembly and maintenance are facilitated, the recovered sonar body can be arranged on one side of the installation frame opposite to the sliding plate through the cooperation of the installation frame, the sliding plate and the electronic push rod, the sonar body can be stably protected on the ship side under the cooperation of the lifting rod, the sonar body does not need to be recovered into the ship, and the use is flexible and higher.

According to the invention, the sonar body can be stable through the two steel cables, the sonar body can be effectively limited when being lifted through the cooperation of the lifting rods, the stability is effectively improved, the sonar body is prevented from being greatly shaken due to stirring of ocean currents, meanwhile, the water depth of sonar detection can be infinitely prolonged through the head-to-tail connection of the positioning rod mechanisms, and the flexibility and the application range are wider.

According to the invention, the gear shaft can be driven to rotate through the cooperation of the third motor and the transmission gear, so that the sonar body can flexibly adjust the angle, and under the cooperation of the lifting rod, the steel cable and the turntable, the sonar body can be kept stable and the adjusting mode is more accurate while rotating, so that the purpose of accurate measurement is achieved, and the practicability is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

FIG. 3 is a front view of the structure of the present invention;

FIG. 4 is a top view of the structure of the present invention;

FIG. 5 is a top cross-sectional view of the structure of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5 in accordance with the present invention;

FIG. 7 is a top view of the lifter bar of the present invention;

FIG. 8 is a top cross-sectional view of a lift pin in accordance with the present invention;

FIG. 9 is a side cross-sectional view of a lifter bar of the present invention construction;

fig. 10 is a side cross-sectional view of a locking barrel of the present invention.

In the figure: 1. a limiting mechanism; 101. positioning seats; 102. a transmission rod; 103. a sleeve; 104. rotating the handle; 105. a locking barrel; 106. a first spring; 107. a ball bearing; 2. a lifting mechanism; 201. a mounting frame; 202. a mechanical cavity; 203. a drive shaft; 204. a first motor; 205. a rotating gear; 206. a bobbin; 207. a through groove; 208. a second motor; 209. a lifting gear; 210. a slide plate; 211. an electronic push rod; 3. rotating the bobbin; 4. a steel cord; 5. a turntable; 6. a transmission gear; 7. a gear shaft; 8. a sonar body; 9. a third motor; 10. a positioning rod mechanism; 1001. a lifting rod; 1002. inserting a rod; 1003. a slot; 1004. a telescoping chamber; 1005. a second spring; 1006. a telescopic bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution: a safe lifting protection type multi-beam forward-looking sonar comprises a limiting mechanism 1, wherein a lifting mechanism 2 is movably inserted in the limiting mechanism 1, one side of the lifting mechanism 2 is provided with two rotating line cylinders 3, a steel cable 4 is movably lapped on each rotating line cylinder 3, the bottom ends of the two steel cables 4 are movably connected with a turntable 5, one side, opposite to the inner wall of the turntable 5, of the inner wall of the turntable 5 is movably connected with a transmission gear 6 and a gear shaft 7, the bottom end of the gear shaft 7 penetrates through the turntable 5 and is movably connected with the top end of a sonar body 8 below the turntable 5, the top of the turntable 5 is fixedly connected with a third motor 9, the output end of the third motor 9 penetrates through the turntable 5 and is fixedly connected with the top of the transmission gear 6 on the inner side of the turntable, the transmission gear 6 is meshed with the gear shaft 7, a positioning rod mechanism 10 is movably inserted at the top of the turntable 5, and the gear shaft 7 can be driven to rotate through the matching of the third motor 9 and the transmission gear 6, thereby make the nimble angle regulation of sonar body 8, under the cooperation of lifter 1001, cable wire 4 and carousel 5, make sonar body 8 when rotatory, can remain stable, the regulation mode is more accurate to reach accurate measuring purpose, promote its practicality.

In the embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 6, the limiting mechanism 1 includes a positioning seat 101, the positioning seat 101 is movably sleeved on the lifting mechanism 2, a transmission rod 102 is movably disposed inside the positioning seat 101, one side of the positioning seat 101 is fixedly connected with a sleeve 103, one end of the transmission rod 102 penetrates through the sleeve 103 and is fixedly connected with one side of a rotation handle 104 at the side thereof, a locking cylinder 105 is movably sleeved inside the sleeve 103, a first spring 106 is movably sleeved inside the locking cylinder 105, the locking cylinder 105 and the first spring 106 are both movably sleeved on the transmission rod 102, the locking cylinder 105 is a circular truncated cone structure with a diameter decreasing from left to right, an inclined annular groove matched with the locking cylinder 105 is formed on the inner wall of the sleeve 103, a ball 107 is movably nested on one side of the rotation handle 104 close to the locking cylinder 105, and the lifting mechanism 2 can be quickly mounted to the side of the ship through the setting of the limiting mechanism 1, make things convenient for the dismouting and the maintenance of later stage adjustment, through mounting bracket 201, slide 210 and electronic push rod 211's cooperation, can make the sonar body 8 of retrieving arrange mounting bracket 201 one side relative with slide 210 in, under the cooperation of lifter 1001, make sonar body 8 can obtain stable protection in the ship side, need not to retrieve it to the inboard, use in a flexible way higher.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the lifting mechanism 2 includes a mounting frame 201, one end of the mounting frame 201 is movably inserted into the positioning seat 101, a mechanical cavity 202 is formed in the mounting frame 201, the mechanical cavity 202 is respectively and movably provided with a transmission shaft 203 and a first motor 204, an output end of the first motor 204 is fixedly connected with a rotation gear 205, the rotation gear 205 is engaged with the transmission shaft 203, a bevel gear matched with the rotation gear 205 is fixedly sleeved on the transmission shaft 203, a winding reel 206 is movably sleeved on the transmission shaft 203, one side of an inner wall of the mechanical cavity 202 is provided with two through slots 207 penetrating to an edge side thereof, the other ends of the two steel cables 4 respectively penetrate the two through slots 207 and are fixedly connected with the two winding reels 206 inside thereof, the top of the mounting frame 201 is respectively and fixedly connected with a second motor 208 and a lifting gear 209, and second motor 208's output and lifting gear 209's one side fixed connection, the one side activity alternate of mounting bracket 201 second end has slide 210, and one side fixedly connected with electron push rod 211 of mounting bracket 201, and slide 210's top run through mounting bracket 201 and rather than the output fixed connection of the electron push rod 211 of top, can make sonar body 8 steady through two cable wires 4, in the cooperation through lifter 1001, can make sonar body 8 in the lift, receive effectual spacing, effectual improvement stability, avoid receiving the ocean current to stir and lead to sonar body 8 to appear rocking by a wide margin.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 7 and fig. 8, positioning rod mechanism 10 includes lifter 1001, and lifter 1001 activity is pegged graft at the top of carousel 5, lifter 1001's bottom fixedly connected with inserted bar 1002, and the slot 1003 has been seted up on lifter 1001's top, and flexible chamber 1004 has all been seted up to the relative one side of slot 1003 inner wall, flexible chamber 1004 is interior fixed the second spring 1005 of having cup jointed respectively and the flexible bolt 1006 of having cup jointed, two flexible one ends that the flexible bolt 1006 is relative run through two flexible chambers 1004 respectively and extend to its outside, the depth of water that a plurality of positioning rod mechanisms 10 head-to-tail meet can infinitely prolong sonar detection simultaneously, flexibility and application scope are wider.

In this embodiment, as shown in fig. 1, fig. 2, fig. 4, fig. 6, and fig. 10, a groove matched with the locking cylinder 105 is formed in one surface of the locking cylinder 105 close to the balls 107, the number of the balls 107 is not less than four, a sliding groove is formed in the outer wall of the locking cylinder 105, a sliding block on the inner wall of the sleeve 103 is slidably connected in the sliding groove in the outer wall of the locking cylinder 105, and the locking cylinder 105 can be limited by the matching of the sliding groove and the sliding block, so that when the balls 107 push the locking cylinder 105, the locking cylinder 105 keeps linear displacement to avoid rotation.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, two toothed bars are fixedly connected to one side of the mounting frame 201, and the two toothed bars are respectively movably inserted into the positioning seat 101 and engaged with the transmission rod 102.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the lifting gear 209 is engaged with the lifting rod 1001, and the transmission shaft 203 is fixedly sleeved with a bevel gear matched with the rotation gear 205.

The using process of the invention is as follows:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;

s1, the positioning socket 101 is first set up on the inner side of the boat guardrail, the mounting bracket 201 is then held on the outer side of the boat guardrail, the turning handle 104 is rotated, the ball 107 pushes the locking cylinder 105 to displace towards the direction of the first spring 106, so that the locking cylinder 105 is separated from the tight fit with the inner wall of the sleeve 103, the self-locking is released, the transmission rod 102 is driven to rotate, therefore, the distance between the mounting rack 201 and the positioning seat 101 is adjusted through the two toothed bars meshed with the toothed bars, when the handle 104 stops rotating, the first spring 106 pushes the outer wall of the locking cylinder 105 to be tightly attached to the inner wall of the sleeve 103, meanwhile, the balls 107 are nested in the grooves to complete clamping and self-locking, so that the effect of quickly mounting the sonar device is achieved, the four balls 107 are arranged, the rotation stroke can be effectively reduced, the phenomenon of backspacing in the rotation process is avoided, and the movably nested ball 107 can rotate in the rotation process of the rotation handle 104, so that obvious blocking and pause feeling can not occur;

s2, with a plurality of locating lever mechanisms 10 end to end, can infinitely prolong its length to the different installation demands of nimble adaptation, concrete step is as follows, peg graft in the slot 1003 that sets up to adjacent lifter 1001 top with the bottom of lifter 1001, rotatory 90 hard, under the cooperation of two second springs 1005, make two flexible bolts 1006 carry on spacingly to inserted bar 1002, avoid droing easily in aqueous, reverse operation can when needing to dismantle.

S3, when the sonar needs to be settled, the first motor 204 is started to drive the transmission shaft rod 203 to rotate through the rotating gear 205, the steel cable 4 wound on the two bobbins 206 is slowly lowered through the two rotating bobbins 3, meanwhile, the second motor 208 drives the lifting gear 209 to rotate, thereby driving the lifting rod 1001 to be synchronously lowered, when the detection of the sonar body 8 needs to be adjusted reversely, the third motor 9 is started to drive the gear shaft 7 to transversely rotate through the transmission gear 6, the lower half end of the gear shaft 7 drives the sonar body 8 to adjust the detection angle, meanwhile, the two steel cables 4 can still play a role in lifting and stabilizing the two sides of the upper half end of the turntable 5, when the sonar needs to be upwards recovered, according to above-mentioned step reverse operation can, promote slide 210 through electron push rod 211 at last and extend to sonar body 8's below to play the safeguard effect to it, avoid the violent swing of ship to cause and drop.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.