CN212058994U - Portable shallow water depth finder - Google Patents

Abstract

The utility model relates to a depth finder technical field, concretely relates to portable shallow water depth finder, it includes clamping device, the last elevating gear that is equipped with of clamping device, the last detachable of elevating gear is connected with the telescoping device, the telescoping device includes first sleeve and second sleeve, the second sleeve is located first sleeve and can be pulled out by first sleeve open end, first sleeve blind end is close to second sleeve blind end, second sleeve blind end is equipped with the second cardboard, be equipped with the first snap ring that restriction second cardboard left first sleeve on the first sleeve, first sleeve blind end is equipped with the first spacing subassembly that restriction second sleeve removed along first sleeve axis direction, be equipped with the kickboard on the first sleeve, kickboard and first sleeve open end parallel and level, be equipped with the sensor probe on the tip that the telescoping device stretched out, portable shallow water depth finder is still including the host computer of the test data of handling and display sensor probe. The utility model discloses have the comparatively accurate effect of measuring result that makes the water degree of depth.

Description

Portable shallow water depth finder

Technical Field

The utility model belongs to the technical field of the depth finder technique and specifically relates to a portable shallow water depth finder is related to.

Background

At present, a depth finder is an instrument for measuring the depth of water bodies such as reservoirs, lakes, rivers, shallow seas and the like, along with the demand of people on the research of submarine topography during navigation, the requirements of people on the depth finder are higher and higher, and the portable depth finder is widely loved by people due to the advantage of convenient carrying.

When measuring the depth of a water body, the conventional depth finder usually extends a sensor probe into the water to enable the sensor probe to reach the required depth of the water body, starts the depth finder, converts the distance from the sensor probe to an obstacle by the sound velocity of sound waves emitted by the sensor probe in the water body and the time of sound waves emitted to the sensor probe, obtains the distance from a liquid level to the obstacle by adding the distance measured by the sensor probe and the depth of the water body into the sensor probe, and processes and displays a test result through a host machine.

The above prior art solutions have the following drawbacks:

however, when using the depth finder, people usually insert the sensor probe of the depth finder into water when measuring the water depth, insert the ruler into water to the level of the zero point of the ruler and the highest point of the sensor probe, and then observe the value of the liquid level at the scale of the ruler, thereby realizing the measurement of the penetration depth of the sensor probe and the reading of data.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a portable shallow water depth gauge, it has the comparatively accurate effect of measuring result that makes the water degree of depth.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a portable shallow water depth finder which characterized in that: comprises a clamping device arranged on the side wall of a ship body, a lifting device is arranged on the clamping device, the lifting device is detachably connected with a telescopic device which comprises a first sleeve and a second sleeve, the second sleeve is positioned in the first sleeve and can be pulled out from the open end of the first sleeve, the closed end of the first sleeve is close to the closed end of the second sleeve, the closed end of the second sleeve is provided with a second clamping plate, the first sleeve is provided with a first clamping ring for limiting the second clamping plate to leave the first sleeve, the closed end of the first sleeve is provided with a first limiting component which limits the second sleeve to move along the axial direction of the first sleeve, the first sleeve is provided with a floating plate which is flush with the opening end of the first sleeve, the extending end part of the telescopic device is provided with a sensor probe, the portable shallow water depth finder also comprises a host for processing and displaying the test data of the sensor probe.

By adopting the technical scheme, the telescopic device is adjusted to the extending state, then the telescopic device is installed on the lifting device, then the depth finder is installed on the ship side through the clamping device, the telescopic device is driven by the lifting device to extend towards the water body, the floating plate is just floated on the water surface and is level with the water surface through adjusting the lifting device, the water inlet depth of the sensor probe can be equal to the distance from the opening end of the first sleeve to the sensor probe, and the distance is limited by the length of the second sleeve, so that when the second sleeve is designed according to the commonly used water inlet detection depth, the second sleeve only needs to be pulled out to the limit state, the water inlet depth of the sensor probe can be controlled to be the conventional water inlet depth, the length of the second sleeve is equal to the required conventional water inlet depth and the thickness of the first clamping plate along the axial direction of the first sleeve, and the obtained water inlet depth is more accurate, the relative position relation between the first sleeve and the liquid level is displayed through the floating plate, so that the observation is obvious, the depth of the second sleeve inserted into the water body can be well controlled, namely, the water penetration depth during detection is accurately controlled, and the measurement result of the water body depth is accurate;

the second sleeve can be contained in the first sleeve when not in use through the matching of the second sleeve and the first sleeve, and the portable shallow water depth gauge is detachably connected with the lifting device through the matching of the telescopic device and the lifting device, so that the portable shallow water depth gauge is convenient to contain and carry when not in use;

the height of the telescopic device is adjusted through the lifting device, so that the height of the telescopic device is adjusted more accurately without manpower maintenance, the telescopic device can be kept at an accurate underwater depth for a long time during detection, and a detection result is more accurate;

the portable shallow water depth finder is fixed on the side of the ship through the clamping device, so that the portable shallow water depth finder is convenient to mount and dismount, and the portable shallow water depth finder is convenient to operate when a detector detects the shallow water depth finder;

through the slip of first sleeve axis of first spacing subassembly restriction second sleeve for the in-process second sleeve of transportation is difficult for stretching out, improves stability.

The present invention may be further configured in a preferred embodiment as: the second sleeve is internally provided with a third sleeve which can extend out along the open end of the second sleeve, the closed end of the third sleeve is provided with a third clamping plate, the first sleeve is provided with a second clamping ring which limits the third clamping plate to leave the second sleeve, and the closed end of the second sleeve is provided with a second limiting component which limits the third sleeve to move along the axial direction of the second sleeve.

Through adopting above-mentioned technical scheme, setting through the spacing subassembly of second, when making the third sleeve completely take in the second sleeve, limit the third sleeve through the spacing subassembly of second and stretch out, make the depth of entry of sensor probe this moment be the depth of detection that the length of second sleeve is restricted, through the cooperation of third cardboard and second snap ring, make the third sleeve move towards the telescopic open end of second along the telescopic axis direction of second, until third cardboard butt in the second snap ring, the third sleeve stretches out to the extreme state this moment, can switch to the depth of detection that the sum of second sleeve and third sleeve length is restricted, make the regulation of depth of detection accurate and convenient.

The present invention may be further configured in a preferred embodiment as: the length of the second sleeve is equal to the length of the third sleeve.

Through adopting above-mentioned technical scheme, through stretching out or retracting the second sleeve with the third sleeve, because the fixed and equal of length of second sleeve and third sleeve, make the length of telescoping device's extension calculate comparatively easily, make the sensor probe need not all measure the distance of first sleeve to sensor probe when carrying out the water degree of depth measurement at every turn when using, only need carry out the income water degree of depth that can comparatively clear acquisition sensor probe according to the flexible state of telescoping device, thereby make acquisition of the income water degree of depth of sensor probe very convenient.

The present invention may be further configured in a preferred embodiment as: the first limiting assembly comprises a first magnet arranged at the closed end of the first sleeve, a second magnet is arranged at the closed end of the second sleeve, when the second clamping plate is far away from one end of the second sleeve and is abutted against the closed end of the first sleeve, the first magnet and the second magnet attract each other, and when the telescopic device is in a vertical state, the gravity sum of the sensor probe and the second sleeve is smaller than the attraction force between the first magnet and the second magnet.

Through adopting above-mentioned technical scheme, through the cooperation of first magnet and second magnet, when second sleeve one end butt was kept away from to the second cardboard on the inner wall of first sleeve blind end, first magnet and second magnet attract mutually, because the gravity sum of second sleeve and sensor probe is less than the appeal between first magnet and the second magnet, make the second sleeve outside being difficult for stretching out first sleeve, thereby it is comparatively stable to make the second sleeve be located the state in first sleeve, thereby make telescoping device's withdrawal state more stable.

The present invention may be further configured in a preferred embodiment as: be equipped with on the tip that the telescoping device stretches out and keep away from magnetism spare, it has the mounting groove to keep away from the tip that the telescoping device stretches out to cave in, sensor probe fixed connection is in the mounting groove, the transmission of sensor probe and the notch parallel and level of receiving terminal and mounting groove.

Through adopting above-mentioned technical scheme, through the setting of keeping away magnetism piece, start sensor probe and make sensor probe be in the on-state, keep away the influence of the magnetic field that magnetism piece shielding first magnet in most telescoping device formed to sensor probe for first magnet is less to sensor probe's influence in the telescoping device, thereby makes the influence of magnetic field to sensor probe's test result less.

The present invention may be further configured in a preferred embodiment as: and the outer wall of the magnetism avoiding piece is provided with an anti-skidding piece, and the outer wall of the anti-skidding piece is provided with threads.

Through adopting above-mentioned technical scheme, through the setting of anti-skidding piece, when needs pull out first sleeve with the second sleeve for pulling force when the second sleeve pulls out first sleeve is greater than the adsorption affinity of first magnet and second magnet, makes when tensile second sleeve through the anti-skidding piece, and the frictional force increase of contact site makes the difficult slip of contact site when the second sleeve is tensile, thereby makes pulling out of second sleeve comparatively easy.

The present invention may be further configured in a preferred embodiment as: the lifting device comprises a screw rod, a sliding block is connected to the screw rod in a threaded mode, and a rotation limiting assembly limiting the sliding block to rotate along with the screw rod is arranged on the sliding block.

Through adopting above-mentioned technical scheme, through the cooperation of lead screw and slider, because the restriction subassembly has restricted the slider along with the motion of lead screw wire winding shaft axis direction, make the linear motion of the axis direction motion of slider along the lead screw of slider transformation into around the motion of the axis direction of lead screw, thereby make the telescoping device along with the motion of the direction that is on a parallel with the lead screw axis of slider, thereby make the orientation of telescoping device under the rotation of lead screw be close to or keep away from the direction removal of liquid level, make the height control of telescoping device comparatively accurate, thereby make the income water depth of gained sensor probe comparatively accurate.

The present invention may be further configured in a preferred embodiment as: the rotation limiting component comprises an extension block fixedly connected to the sliding block, a first sleeve is connected to the extension block in a threaded mode, and the closed end of the first sleeve is parallel and level to one side, close to the main fixing block, of the extension block.

Through adopting above-mentioned technical scheme, through the setting that is threaded connection between first sleeve and the extension piece, make first sleeve comparatively stable with being connected of extension piece, make first sleeve difficult when receiving external environment disturbance and the position of extension piece take place relative movement, thereby make the telescoping device difficult inclined to one side, thereby make the sensor probe difficult slope, make the measured data of sensor probe comparatively accurate, make the test result that the host computer obtained comparatively accurate and when not needing to use convenient to detach, thereby convenient to store, conveniently carry.

The present invention may be further configured in a preferred embodiment as: clamping device includes main grip block and vice grip block, on the lateral wall that main grip block and vice grip block are close to each other respectively fixedly connected with main block rubber and vice block rubber, main block rubber and vice block rubber cover the lateral wall that main grip block and vice grip block are close to each other completely.

Through adopting above-mentioned technical scheme, through the setting of main block rubber and vice block rubber, when clamping device is in the clamping state, main block rubber and vice block rubber support tight hull lateral wall, because main block rubber and vice block rubber support tightly each other with the junction of hull lateral wall, make main block rubber and vice block rubber have the trend of kick-backing, thereby make main block rubber and vice block rubber still have elasticity support tight state with the hull lateral wall, thereby make main grip block great with the power of vice grip block to the centre gripping of hull lateral wall, thereby make clamping device more firm centre gripping on the hull lateral wall.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the second sleeve is designed according to the common water penetration detection depth, the water penetration depth of the sensor probe can be controlled to be the conventional water penetration depth only by pulling the second sleeve out to the limit state, so that the obtained water penetration depth is accurate;

2. the relative position relation between the first sleeve and the liquid level is displayed through the floating plate, so that the observation is obvious, the underwater penetration depth during detection is accurately controlled, and the measurement result of the water depth is accurate;

3. through the arrangement of the second limiting assembly, when the third sleeve is completely retracted into the second sleeve, the water penetration depth of the sensor probe is the detection depth limited by the length of the second sleeve;

4. through the matching of the third clamping plate and the second clamping ring, when the third sleeve extends out to the limit state, the detection depth limited by the sum of the lengths of the second sleeve and the third sleeve can be switched, so that the detection depth is accurately and conveniently adjusted;

5. through the cooperation of lead screw and slider for the altitude mixture control of telescoping device is comparatively accurate, thereby makes the depth of entry of the sensor probe of gained comparatively accurate.

Drawings

FIG. 1 is a schematic view of the overall structure of the portable shallow water depth finder of the present invention;

fig. 2 is a schematic view illustrating an internal structure of the retractor device according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a clamping device; 11. a clamping bar; 12. a main clamping plate; 121. a main clamping plate; 122. a main clamping plate; 1221. a main rubber block; 13. an auxiliary splint; 131. a secondary clamping plate; 132. a secondary clamping plate; 1321. a secondary rubber block; 14. a locking assembly; 141. a bolt; 142. a nut; 143. limiting a block; 2. a connecting member; 21. a connecting rod; 22. bending the pipe; 23. a connecting rod; 3. a lifting device; 31. a main fixed block; 311. a main bearing; 32. an auxiliary fixed block; 321. a secondary bearing; 33. a screw rod; 331. a slider; 332. a screw head; 34. a limiting component; 341. a limiting plate; 342. a limiting hole; 35. a stretching block; 4. a telescoping device; 41. a first sleeve; 411. a first clamping plate; 412. a first snap ring; 413. a floating plate; 4131. a reinforcing plate; 42. a second sleeve; 421. a second clamping plate; 422. a second magnet; 423. a second snap ring; 43. a third sleeve; 431. a third clamping plate; 432. a third magnet; 433. a third bearing plate; 5. connecting a cable; 6. a host; 7. a sensor probe; 8. a magnetism avoiding member; 81. and an anti-slip piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a portable shallow water depth finder, including being used for installing clamping device 1 on the hull lateral wall, last connecting piece 2 that is equipped with of clamping device 1 is equipped with elevating gear 3 on the connecting piece 2, and elevating gear can dismantle on 3 and be connected with telescoping device 4, and one of telescoping device 4 stretching out is served and is equipped with sensor probe 7, is equipped with the host computer 6 of processing and display sensor probe 7's test data on sensor probe 7.

Referring to fig. 2, the clamping device 1 includes a clamping bar 11, the clamping bar 11 is in a shape of a round bar, a main clamping plate 12 is disposed on the clamping bar 11, the main clamping plate 12 includes a main clamping plate 121, a horizontal cross section of the main clamping plate 121 is in a shape of a U-plate, the main clamping plate 121 is fixedly connected to a side wall of the clamping bar 11, and one end of the main clamping plate 121 is close to one end of the clamping bar 11 close to the inside of the main clamping plate 121.

Referring to fig. 2, a main clamping plate 122 is fixedly connected to one end of the main clamping plate 121, which is far away from the clamping bar 11, the horizontal cross section of the main clamping plate 122 is rectangular, the main clamping plate 122 is shaped like a minor arc, and the main clamping plate 122 protrudes toward the protruding direction of the main clamping plate 121.

Referring to fig. 2, a main rubber block 1221 is fixedly connected to the main clamping plate 122, the main rubber block 1221 is located on the recessed sidewall of the main clamping plate 122, and the main rubber block 1221 completely covers the recessed sidewall of the main clamping plate 122.

Referring to fig. 2, the main clamping plate 121 is hinged to an auxiliary clamping plate 131, the auxiliary clamping plate 131 is parallel to the main clamping plate 121, the horizontal cross section of the auxiliary clamping plate 131 is in a U-shaped plate shape, the open end of the auxiliary clamping plate 131 faces the open end of the main clamping plate 121, the hinge of the auxiliary clamping plate 131 facing the main clamping plate 121 is close to one end of the auxiliary clamping plate 131 close to the clamping rod 11, and one end of the auxiliary clamping plate 131 far away from the hinge of the main clamping plate 121 and the auxiliary clamping plate 131 is flush with one end of the main clamping plate 121 far away from the clamping rod 11.

Referring to fig. 2, an end of the sub-clamping plate 131 far from the hinge of the main clamping plate 121 and the sub-clamping plate 131 is fixedly connected with a sub-clamping plate 132, the sub-clamping plate 132 is symmetrically arranged with respect to the main clamping plate 122, and the sub-clamping plate 132 and the main clamping plate 122 are symmetrically arranged with respect to a center line of a distance between the main clamping plate 121 and the sub-clamping plate 131.

Referring to fig. 2, a secondary rubber block 1321 is fixedly connected to the secondary clamping plate 132, the secondary rubber block 1321 is located on a side wall of the secondary clamping plate 132 close to the primary clamping plate 122, and the secondary rubber block 1321 completely covers the side wall of the secondary clamping plate 132 close to the primary clamping plate 122.

Referring to fig. 2, the main clamping plate 12 and the sub-clamping plate 13 are provided with a locking assembly 14, the locking assembly 14 includes a bolt 141, the bolt 141 penetrates through the main clamping plate 121 and the side wall of the sub-clamping plate 131, the bolt 141 is perpendicular to the main clamping plate 121, and the head of the bolt 141 is fixedly connected to the side wall of the main clamping plate 121.

Referring to fig. 2, a spring is provided on the screw of the bolt 141, the spring is located between the main clamping plate 121 and the sub-clamping plate 131, and the spring is fitted over the outer wall of the screw.

Referring to fig. 2, a nut 142 is screwed to the screw, the nut 142 is positioned on the outer wall side of the sub clamping plate 131, and the nut 142 is a wing nut 142.

Referring to fig. 2, one end of the screw near the nut 142 is fixedly connected with a limiting block 143, the limiting block 143 is square, and the connecting position of the limiting block 143 facing the screw is located at the center of the limiting block 143.

Referring to fig. 2, the connecting member 2 includes a connecting rod 21, the connecting rod 21 is in a circular rod shape, one end of the clamping rod 11 away from the main clamping plate 12 is screwed on the upper side wall of the connecting rod 21, the connecting rod 21 is arranged perpendicular to the clamping rod 11, and the connection position of the connecting rod 21 towards the clamping rod 11 is located at one third of the connecting rod 21 close to the lifting device 3 along the length direction.

Referring to fig. 2, an end of the connecting rod 21 close to the clamping rod 11 is connected with an elbow 22 in a threaded manner, an end of the elbow 22 far away from the connecting rod 21 is connected with a connecting rod 23 in a threaded manner, the connecting rod 23 is in a shape of a round rod, and the connecting rod 23 is arranged in parallel to the clamping rod 11.

Referring to fig. 2, the lifting device 3 includes a main fixing block 31, the main fixing block 31 is fixedly connected to one end of the extension rod 23 far away from the elbow 22, the main fixing block 31 is rectangular, the length direction of the main fixing block 31 is perpendicular to the length direction of the extension rod 23, and the connection position of the main fixing block 31 facing the extension rod 23 is close to the center of the main fixing block 31.

Referring to fig. 2, a main mounting hole penetrates through the main fixing block 31 toward the side of the extension rod 23, the main mounting hole is located at the center of the main fixing block 31, and the main mounting hole is circular.

Referring to fig. 2, a main bearing 311 is fixedly connected in the main mounting hole, a screw rod 33 is fixedly connected to an inner ring of the main bearing 311, one end of the screw rod 33 is close to the main fixing block 31, and one end of the screw rod 33 is close to the main fixing block 31 is fixedly connected with a screw head 332.

Referring to fig. 2, the screw 33 is provided with an auxiliary fixing block 32 away from the main fixing block 31, the auxiliary fixing block 32 is rectangular, and the length direction of the auxiliary fixing block 32 is perpendicular to the length direction of the screw 33.

Referring to fig. 2, an auxiliary mounting hole is recessed in the center of the auxiliary fixing block 32, and the auxiliary mounting hole is a circular blind hole.

Referring to fig. 2, a secondary bearing 321 is fixedly connected in the secondary mounting hole, and one end of the screw rod 33, which is far away from the screw head 332, is fixedly connected to an inner ring of the secondary bearing 321.

Referring to fig. 2, a limit plate 341 is fixedly connected to one side of the main fixed block 31 away from the extension rod 23, the limit plate 341 is rectangular plate-shaped, the length direction of the limit plate 341 is parallel to the axial direction of the screw rod 33, and one end of the limit plate 341 away from the main fixed block 31 is fixedly connected to the auxiliary fixed block 32

Referring to fig. 2, a limiting hole 342 penetrates through the center of the limiting plate 341, the limiting hole 342 is a long hole, the length direction of the limiting hole 342 is parallel to the length direction of the limiting plate 341, and two ends of the limiting hole 342 are close to two ends of the limiting plate 341.

Referring to fig. 2, the screw 33 is threadedly connected with a slider 331, the slider 331 is rectangular, a length direction of the slider 331 is perpendicular to a length direction of the main fixed block 31, and a connection position of the slider 331 facing the screw 33 is located at the center of the slider 331.

Referring to fig. 2, the side wall of the sliding block 331 facing the limiting plate 341 is connected with a rotation limiting rod in a threaded manner, the rotation limiting rod is in a round rod shape, the side wall of the rotation limiting rod abuts against the hole wall of the limiting hole 342, and one end of the rotation limiting rod, which is far away from the sliding block 331, is flush with one side of the limiting plate 341, which is far away from the sliding block 331.

Referring to fig. 2, an end of the rotation limiting rod away from the sliding block 331 is fixedly connected with an extension block 35, the extension block 35 is rectangular, and a length direction of the extension block 35 is perpendicular to a length direction of the limiting plate 341.

Referring to fig. 2, a connection hole is formed through the center of the extension block 35, the connection hole is a circular through hole, and an internal thread is formed on the wall of the connection hole.

Referring to fig. 2, the telescopic device 4 includes a first sleeve 41, the first sleeve 41 is a cylinder, an external thread is provided on an outer side wall of the first sleeve 41 and is close to a closed end of the first sleeve 41, and the first sleeve 41 is screwed on the extension block 35.

Referring to fig. 2, the closed end of the first sleeve 41 is fixedly connected with a first clamping plate 411, the first clamping plate 411 is rectangular plate-shaped, the length direction of the first clamping plate 411 is parallel to the length direction of the extension block 35, when the expansion device 4 is inserted into the connecting hole, the first clamping plate 411 abuts against the extension block 35 towards one side of the extension block 35, the first sleeve 41 is inserted into the connecting hole and penetrates through the connecting hole, and the side wall of the first sleeve 41 is in threaded connection with the hole wall of the connecting hole.

Referring to fig. 1, a floating plate 413 is fixedly connected to a side wall of the first sleeve 41, the floating plate 413 is a thin plate, a cross section of the floating plate 413 along a direction parallel to an axis of the first sleeve 41 is rectangular, the floating plate 413 extends in a direction away from the first sleeve 41, and the floating plate 413 is flush with an opening end of the first sleeve 41.

Referring to fig. 1, the floating plate 413 is fixedly connected with a reinforcing plate 4131 facing away from the center of the opening end of the first sleeve 41, the reinforcing plate 4131 is a thin plate, the reinforcing plate 4131 is perpendicular to the floating plate 413, the horizontal cross section of the reinforcing plate 4131 is rectangular, the length direction of the reinforcing plate 4131 is parallel to the length direction of the floating plate 413, the width of the reinforcing plate 4131 facing away from the connecting member 2 is gradually reduced, and one end of the reinforcing plate 4131 facing away from the first sleeve 41 is flush with one end of the floating plate 413 facing away from the first sleeve 41.

Referring to fig. 2, a second sleeve 42 is disposed in the first sleeve 41 and can extend along the open end of the first sleeve 41, the second sleeve 42 is cylindrical, and the length of the second sleeve 42 is equal to the length of the first sleeve 41.

Referring to fig. 2, a first snap ring 412 is fixedly connected to an opening end of the first sleeve 41, the first snap ring 412 is annular, an outer diameter of the first snap ring 412 is equal to an inner diameter of the first sleeve 41, and an axis of the first snap ring 412 coincides with an axis of the first sleeve 41.

Referring to fig. 2, the closed end of the second sleeve 42 is fixedly connected with a second catch plate 421, the second catch plate 421 is in a circular plate shape, and the radius of the second catch plate 421 is equal to the inner diameter of the first sleeve 41.

Referring to fig. 2, the first sleeve 41 is provided with a first limiting component 34 for limiting the second sleeve 42 to move along the axial direction of the first sleeve 41, the first limiting component 34 includes a first magnet and a second magnet 422, the first magnet is fixedly connected to the inner wall of the closed end of the first sleeve 41, the first magnet is circular, the radius of the first magnet is equal to the inner diameter of the first sleeve 41, and one end of the first magnet, which is close to the open end of the first sleeve 41, is flush with one side of the inner wall of the closed end of the first sleeve 41.

Referring to fig. 2, a second magnet 422 is fixedly connected to the second chuck 421, the second magnet 422 is circular, the radius of the second magnet 422 is smaller than the radius of the second chuck 421, the axis of the second magnet 422 coincides with the axis of the second chuck 421, one end of the second magnet 422, which is far away from the second sleeve 42, is flush with one end of the second chuck 421, which is far away from the second sleeve 42, and one end of the second magnet 422, which is close to the second sleeve 42, is flush with one side of the inner wall of the closed end of the second sleeve 42, and when one end of the second chuck 421, which is far away from the second sleeve 42, abuts against the closed end of the first sleeve.

Referring to fig. 2, a third sleeve 43 is disposed in the second sleeve 42 and can extend along the open end of the second sleeve 42, the third sleeve 43 is cylindrical, and the length of the third sleeve 43 is equal to the length of the second sleeve 42.

Referring to fig. 2, a second snap ring 423 is fixedly connected to an opening end of the second sleeve 42, the second snap ring 423 is annular, an outer diameter of the second snap ring 423 is equal to an inner diameter of the second sleeve 42, and an axis of the second snap ring 423 coincides with an axis of the second sleeve 42.

Referring to fig. 2, a third locking plate 431 is fixedly connected to the closed end of the third sleeve 43, the third locking plate 431 has a circular plate shape, and the radius of the third locking plate 431 is equal to the inner diameter of the second sleeve 42.

Referring to fig. 2, a third receiving plate 433 is fixedly connected to the inside of the third sleeve 43, the third receiving plate 433 has a circular plate shape, the radius of the third receiving plate 433 is equal to the inner diameter of the third sleeve 43, and the axis of the third receiving plate 433 coincides with the axis of the third sleeve 43.

Referring to fig. 2, the second sleeve 42 is provided with a second limiting assembly 34 for limiting the movement of the third sleeve 43 along the axial direction of the second sleeve 42, and the second limiting assembly 34 includes a second magnet 422 and a third magnet 432.

Referring to fig. 2, the third magnet 432 is fixedly connected to the third clip 431, the third magnet 432 is circular, the radius of the third magnet 432 is smaller than the radius of the third clip 431, the axis of the third magnet 432 coincides with the axis of the third clip 431, and when one end of the third clip 431, which is far away from the third sleeve 43, abuts against the closed end of the second sleeve 42, the third magnet 432 and the second magnet 422 attract each other.

Referring to fig. 3, the open end of the third sleeve 43 is fixedly connected with a magnetism avoiding piece 8, the magnetism avoiding piece 8 is cylindrical, the radius of the magnetism avoiding piece 8 is equal to the outer diameter of the third sleeve 43, the axis of the magnetism avoiding piece 8 is overlapped with the axis of the third sleeve 43, and the magnetism avoiding piece 8 is an EMI conductive foam block.

Referring to fig. 3, the side wall of the magnetism avoiding piece 8 is fixedly connected with an anti-slip piece 81, the anti-slip piece 81 is circular, the inner diameter of the anti-slip piece 81 is equal to the radius of the magnetism avoiding piece 8, the axis of the anti-slip piece 81 coincides with the axis of the magnetism avoiding piece 8, and the outer wall of the anti-slip piece 81 is provided with an external thread.

Referring to fig. 3, keep away from magnetism piece 8 and keep away from that third sleeve 43 one end is sunken to have the mounting groove, and sensor probe 7 fixed connection is in the mounting groove, and sensor probe 7's transmission and receiving terminal and mounting groove open end parallel and level, sensor probe 7 remain the outer wall all with mounting groove inner wall fixed connection.

Referring to fig. 2 and 3, a connecting cable 5 is fixedly connected to the sensor, the connecting cable 5 passes through the center of the magnetism avoiding piece 8 and the center of the telescopic device 4 and extends out, and one end of the connecting cable 5, far away from the sensor, is fixedly connected to the host 6.

The implementation principle of the embodiment is as follows:

when the water depth measurement is needed, the second sleeve 42 or the third sleeve 43 or the second sleeve 42 and the third sleeve 43 are pulled out through the anti-slip piece 81 according to the needed draft depth, so that one end of the second clamping plate 421 close to the second sleeve 42 is abutted to one end of the first clamping ring 412 far away from the second sleeve 42 or one end of the third clamping plate 431 close to the third sleeve 43 is abutted to one end of the second clamping ring 423 far away from the third sleeve 43, so that the telescopic device 4 is in an extended state, a fixed extended length is obtained through the number of the extended sleeves of the telescopic device 4, as the sensor probe 7 is fixedly connected in the mounting groove and the transmitting end and the receiving end of the sensor probe 7 are flush with the opening end of the mounting groove, the length extended through the telescopic device 4 and the length of the magnetism avoiding piece 8 are recorded as initial data, the telescopic device 4 is inserted in the communication hole, so that the first clamping plate 411 is abutted to the extended block 35 side, the first sleeve 41 is inserted into the connecting hole and penetrates through the connecting hole, and the side wall of the first sleeve 41 is in threaded connection with the hole wall of the connecting hole;

by positioning the hull side wall between the main clamping plate 122 and the auxiliary clamping plate 132, the nut 142 is moved towards the head of the bolt 141 by rotating the nut 142, so that the auxiliary clamping plate 13 is close to the main clamping plate 12, the main rubber block 1221, the hull side wall and the auxiliary rubber block 1321 are tightly abutted in pairs, and the clamping device 1 is in a locking state;

the screw head 332 is rotated to enable the screw rod 33 to rotate, the side wall of the rotation limiting rod fixedly connected with the sliding block 331 abuts against the wall of the rotation limiting hole, so that the sliding block 331 is converted into linear motion of the sliding block 331 moving along the axial direction of the screw rod 33 by rotating along with the axial direction of the screw rod 33 around the screw rod 33, and the extension block 35 is fixedly connected to the rotation limiting rod, so that the extension block 35 moves along with the sliding block 331 along the direction parallel to the axial direction of the screw rod 33, and the telescopic device 4 moves along with the sliding block 331 along the direction parallel to the axial direction of the screw rod 33;

when the liquid level abuts against the side, close to the opening end of the first sleeve 41, of the floating plate 413, the screw head 332 stops rotating, so that the sliding block 331 stops moving, the initial data is the water inlet depth of the sensor probe 7, and the obtained water inlet depth of the sensor probe 7 is accurate;

the sensor probe 7 is started, the sensor probe 7 emits sound waves, the sound waves return from the water bottom in the form of echo after encountering the obstacle, the sensor probe 7 receives the returned echo, the distance between the sound waves and the obstacle is calculated according to the round-trip time of the sound waves and the sound wave propagation speed of the water area where the test is located, and the distance between the liquid level and the obstacle can be obtained by adding the calculated distance between the sound waves and the obstacle to the water entry depth of the sensor probe 7.

The test data of the sensor probe 7 is transmitted via the connection cable 5 to the host computer 6, which processes and displays the test results.

Through the cooperation of first snap ring 412 and second cardboard 421, because the internal diameter of first snap ring 412 is less than the external diameter of second cardboard 421, when making second sleeve 42 pull out along first sleeve 41 axis direction, second cardboard 421 moves to second cardboard 421 butt in first snap ring 412 towards first snap ring 412, second sleeve 42 stops moving, make second sleeve 42 closed end difficult pull out outside first sleeve 41, thereby make second sleeve 42 difficult with first sleeve 41 separation, thereby make through stretching out or retracting first sleeve 41 relatively easy income water elongation that obtains sensor probe 7 with second sleeve 42, make the measurement of the degree of depth of entry of sensor probe 7 more accurate.

Through the setting of the second limiting component 34, when the third sleeve 43 is completely received in the second sleeve, the third sleeve 43 is limited to extend out through the second limiting component 34, so that the water penetration depth of the sensor probe 7 is the detection depth limited by the length of the second sleeve at the moment, through the matching of the third clamping plate 431 and the second clamping ring 423, the third sleeve 43 moves towards the open end of the second sleeve 42 along the axial direction of the second sleeve 42 until the third clamping plate 431 abuts against the second clamping ring 423, at the moment, the third sleeve 43 extends out to the limit state, the detection depth limited by the sum of the lengths of the second sleeve and the third sleeve can be switched, and the adjustment of the detection depth is accurate and convenient.

Through the cooperation of first magnet and second magnet 422, when second cardboard 421 is kept away from second sleeve 42 one end butt on the inner wall of first sleeve 41 closed end, first magnet and second magnet 422 attract each other, because the gravity sum of second sleeve 42 and sensor probe 7 is less than the appeal between first magnet and the second magnet 422, make second sleeve 42 outside difficult stretching out first sleeve 41, thereby it is comparatively stable to make the state that second sleeve 42 is located first sleeve 41, thereby make the withdrawal state of telescoping device 4 more stable.

Through the setting of magnetism avoiding piece 8, start sensor probe 7 and make sensor probe 7 be in the on-state, magnetism avoiding piece 8 shields the influence of the magnetic field that the first magnet in most telescoping device 4 formed to the sensor for first magnet is less to sensor probe 7's influence in the telescoping device 4, thereby makes the influence of magnetic field to the test result of sensor less.

Through the setting of anti-skidding piece 81, when needing to pull out first sleeve 41 with second sleeve 42, become the isolated state with second sleeve 42 closed end and first sleeve 41 closed end by the adsorption state, the pulling force when making second sleeve 42 pull out first sleeve 41 is greater than the adsorption affinity of second sleeve 42 closed end and first sleeve 41 closed end, make when tensile second sleeve 42 through anti-skidding piece 81, the frictional force increase at the contact site makes the difficult slip of contact site when second sleeve 42 is tensile, thereby make pulling out of second sleeve 42 comparatively easy.

Through the cooperation of lead screw 33 and slider 331, owing to the subassembly of restricting changeing has restricted slider 331 and has followed the motion of lead screw 33 around the axis direction of lead screw 33, make the motion of slider 331 around the axis direction of lead screw 33 convert into the linear motion of slider 331 along the axis direction motion of lead screw 33, thereby make telescoping device 4 along the direction motion of slider 331 along being on a parallel with the axis of lead screw 33, thereby make telescoping device 4 move towards the direction that is close to or keeps away from the liquid level under the rotation of lead screw 33, make the height adjustment of telescoping device 4 comparatively accurate, thereby make the depth of entry of gained sensor probe 7 comparatively accurate.

Through the setting that is threaded connection between first sleeve 41 and the extension piece 35, make first sleeve 41 comparatively stable with being connected of extension piece 35, make first sleeve 41 difficult when receiving external environment disturbance and take place relative movement with the position of extension piece 35, thereby make telescoping device 4 difficult inclined to one side, thereby make sensor probe 7 difficult slope, make sensor probe 7's measuring data comparatively accurate, make the test result that host computer 6 obtained comparatively accurate.

Through the setting of main rubber block 1221 and vice rubber block 1321, when clamping device 1 is in the clamping state, main rubber block 1221 and vice rubber block 1321 support tight hull lateral wall, because main rubber block 1221 and vice rubber block 1321 support tightly each other with the junction of hull lateral wall, make main rubber block 1221 and vice rubber block 1321 go up the trend that has the resilience, thereby make main rubber block 1221 and vice rubber block 1321 still have the elasticity and support tight state with the hull lateral wall, thereby make main clamping plate 122 and vice clamping plate 132 great to the power of the centre gripping of hull lateral wall, thereby make clamping device 1 more be firm centre gripping on the hull lateral wall.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a portable shallow water depth finder which characterized in that: the clamping device comprises a clamping device (1) arranged on the side wall of a ship body, wherein a lifting device (3) is arranged on the clamping device (1), a telescopic device (4) is detachably connected to the lifting device (3), the telescopic device (4) comprises a first sleeve (41) and a second sleeve (42), the second sleeve (42) is positioned in the first sleeve (41) and can be pulled out from the open end of the first sleeve (41), the closed end of the first sleeve (41) is close to the closed end of the second sleeve (42), a second clamping plate (421) is arranged at the closed end of the second sleeve (42), a first clamping ring (412) for limiting the second clamping plate (421) to leave the first sleeve (41) is arranged on the first sleeve (41), a first limiting component (34) for limiting the second sleeve (42) to move along the axis direction of the first sleeve (41) is arranged at the closed end of the first sleeve (41), be equipped with kickboard (413) on first sleeve (41), kickboard (413) and first sleeve (41) open end parallel and level, be equipped with sensor probe (7) on the tip that telescoping device (4) stretched out, portable shallow water depth finder is still including host computer (6) of the test data of processing and display sensor probe (7).

2. The portable shallow water depth finder of claim 1, wherein: the novel sleeve is characterized in that a third sleeve (43) which can extend out along the opening end of the second sleeve (42) is arranged in the second sleeve (42), a third clamping plate (431) is arranged at the closed end of the third sleeve (43), a second clamping ring (423) which limits the third clamping plate (431) to leave the second sleeve (42) is arranged on the first sleeve (41), and a second limiting assembly (34) which limits the third sleeve (43) to move along the axial direction of the second sleeve (42) is arranged at the closed end of the second sleeve (42).

3. The portable shallow water depth finder of claim 2, wherein: the length of the second sleeve (42) is equal to the length of the third sleeve (43).

4. The portable shallow water depth finder of claim 1, wherein: first spacing subassembly (34) is including setting up in the first magnet of first sleeve (41) blind end, second sleeve (42) blind end is equipped with second magnet (422), works as second cardboard (421) are kept away from second sleeve (42) one end butt in first sleeve (41) blind end, first magnet and second magnet (422) attract mutually, work as when telescoping device (4) are in vertical state, the gravity sum of sensor probe (7) and second sleeve (42) is less than the appeal between first magnet and second magnet (422).

5. The portable shallow water depth finder of claim 4, wherein: be equipped with on the tip that telescoping device (4) stretches out and keep away magnetic part (8), keep away from magnetic part (8) and keep away from the tip that telescoping device (4) stretch out and cave in and have the mounting groove, sensor probe (7) fixed connection is in the mounting groove, the transmission of sensor probe (7) and the notch parallel and level of receiving terminal and mounting groove.

6. The portable shallow water depth finder of claim 5, wherein: and the outer wall of the magnetism avoiding piece (8) is provided with an anti-skidding piece (81), and the outer wall of the anti-skidding piece (81) is provided with threads.

7. The portable shallow water depth finder of claim 1, wherein: elevating gear (3) include lead screw (33), can dismantle on lead screw (33) and be connected with slider (331), be equipped with restriction slider (331) on slider (331) and follow lead screw (33) pivoted restriction commentaries on classics subassembly.

8. The portable shallow water depth finder of claim 7, wherein: the rotation limiting assembly comprises an extension block (35) fixedly connected to a sliding block (331), a first sleeve (41) is connected to the extension block (35) in a threaded mode, and the closed end of the first sleeve (41) is flush with one side, close to the main fixing plate, of the extension block (35).

9. The portable shallow water depth finder of claim 1, wherein: clamping device (1) includes main grip block (122) and vice grip block (132), on the lateral wall that main grip block (122) and vice grip block (132) are close to each other respectively fixedly connected with main rubber block (1221) and vice rubber block (1321), main rubber block (1221) and vice rubber block (1321) cover the lateral wall that main grip block (122) and vice grip block (132) are close to each other completely.

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