CN209876414U - Four-point leveling system for underwater landing platform - Google Patents
Four-point leveling system for underwater landing platform Download PDFInfo
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- CN209876414U CN209876414U CN201920675153.4U CN201920675153U CN209876414U CN 209876414 U CN209876414 U CN 209876414U CN 201920675153 U CN201920675153 U CN 201920675153U CN 209876414 U CN209876414 U CN 209876414U
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Abstract
The utility model relates to an operation equipment field on water, in particular to four point leveling system for submarine landing platform, it includes: platform: four support legs; the connecting structure is connected with the sliding rod and the connecting rod and can release the sliding rod; the limiting structure is arranged between the sliding rod and the connecting rod and used for limiting the sliding of the sliding rod to the connecting rod; and the four hydraulic telescopic legs are respectively positioned between the two support legs. The utility model also provides a leveling method. The utility model is not only easy to operate, but also can support the platform through the supporting legs in the leveling process, thereby reducing the pressure of the hydraulic telescopic legs and facilitating the accurate extension of the hydraulic telescopic legs; moreover, after the platform is leveled, the platform is supported through the supporting legs, the platform can be prevented from inclining due to pressure change in the hydraulic telescopic legs, and the problems in the prior art are effectively solved.
Description
Technical Field
The utility model relates to an operation equipment field on water, in particular to four-point leveling system for submarine landing platform.
Background
When working on water, it is often necessary to establish a water work platform, such as a mechanical test platform for studying seabed sediments. Because the bottom of water is often unsmooth, after placing work platform in the bottom of water, still need to be with work platform leveling. At present, current work platform, it is many direct to set the supporting leg to hydraulic telescoping leg, after arranging work platform in the bottom, through extending each supporting leg in proper order, realize the leveling to whole work platform, adopt this kind of mode, owing to adopt the supporting leg directly to support work platform, because the hydraulic pressure of supporting leg changes easily, lead to the platform unstable, and, the supporting leg is adjusting the platform to the horizontal in-process by the slope, hydraulic telescoping leg supports whole weight of whole platform, hydraulic telescoping leg atress is great, be difficult to its elongation of accurate control.
The above description is included in the technical recognition scope of the utility model, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a four-point leveling system for an underwater landing platform, which is not only easy to operate, but also can support the platform through supporting legs in the leveling process, reduce the pressure of hydraulic telescopic legs and facilitate the accurate extension of the hydraulic telescopic legs; moreover, after the platform is leveled, the platform is supported through the supporting legs, the platform can be prevented from inclining due to pressure change in the hydraulic telescopic legs, and the problems in the prior art are effectively solved.
In order to solve the above problem, the utility model provides a four point leveling system for submarine landing platform, include: platform: the four supporting legs are arranged at the bottom of the platform and are respectively positioned at four corners of a rectangle, and each supporting leg comprises a connecting rod connected with the platform and a sliding rod connected with the connecting rod in a sliding manner; the connecting structure is connected with the sliding rod and the connecting rod and can release the sliding rod; the limiting structure is arranged between the sliding rod and the connecting rod and used for limiting the sliding of the sliding rod to the connecting rod; and the four hydraulic telescopic legs are respectively positioned between the two support legs.
Further, limit structure includes: the sleeve is connected with the connecting rod; the pawl is rotatably arranged in the sleeve; the ratchet is arranged on the inner side of the sliding rod and is obliquely and upwards arranged; the sliding rod is arranged in the sleeve in a sliding mode, the pawl is matched with the ratchet, and a limiting part is formed in the sleeve, so that when the pawl abuts against the ratchet, the limiting part limits the pawl to rotate upwards.
Furthermore, the connection structure comprises an acoustic releaser connected with the connecting rod and a hook connected with the sliding rod, and the hook is hung on the acoustic releaser.
Furthermore, a balancing weight is arranged on the sliding rod.
Furthermore, along the circumferential direction of the slide bar, the slide bar is provided with ratchet areas and guide areas at intervals, the ratchets are arranged in the ratchet areas, the guide areas are provided with outward protruding guide rails, and the sleeve is internally provided with a sliding groove for the guide rails to slide.
Furthermore, the lower end of the slide bar is hemispherical.
Furthermore, the bottom of the hydraulic telescopic leg is provided with a pressure sensor.
The utility model has the advantages that the utility model provides a four-point leveling system for the underwater landing platform, which is not only easy to operate, but also can support the platform through the supporting legs in the leveling process, reduce the pressure of the hydraulic telescopic legs and facilitate the accurate extension of the hydraulic telescopic legs; moreover, after the platform is leveled, the platform is supported through the supporting legs, the platform can be prevented from inclining due to pressure change in the hydraulic telescopic legs, and the problems in the prior art are effectively solved.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic side sectional view of a support leg according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the sleeve engaged with the sliding rod according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the marking of the platform of the present invention during rotation and leveling.
Wherein: 1. a platform; 2. supporting legs; 201. a connecting rod; 202. a slide bar; 3. a hydraulic telescopic leg; 4. a sleeve; 5. a pawl; 6. a ratchet; 7. an acoustic releaser; 8. hooking; 9. a balancing weight; 10. a guide rail; 11. a chute; 12. a pressure sensor.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The utility model discloses in, a four point leveling system for submarine landing platform is provided, platform 1: the four supporting legs 2 are arranged at the bottom of the platform 1, the four supporting legs 2 are respectively positioned at four corners of a rectangle, and each supporting leg 2 comprises a connecting rod 201 connected with the platform 1 and a sliding rod 202 connected with the connecting rod 201 in a sliding manner; a connecting structure connecting the slide bar 202 and the connecting rod 201, and capable of releasing the slide bar 202; the limiting structure is arranged between the sliding rod 202 and the connecting rod 201 and limits the sliding of the sliding rod 202 to the connecting rod 201; and the four hydraulic telescopic legs 3 are respectively positioned between the two support legs 2.
The utility model discloses a point leveling system is when using, will the utility model discloses a leveling system arranges in under water, after each supporting leg 2 touches the end, connection structure release slide bar 202 between slide bar 202 and the connecting rod 201, through extension hydraulic stretching leg 3, with 1 leveling of whole platform, at the in-process of leveling, along with the extension of hydraulic stretching leg 3, slide bar 202 stretches out to the outside of connecting rod 201, and all the time with submarine ground butt, and furthermore, because limit structure's restriction, make whole supporting leg 2 can bear the axial force, thereby can make supporting leg 2 can share the pressure on the hydraulic stretching leg 3, be favorable to the length of accurate adjustment hydraulic stretching leg 3. In addition, in the leveling process, the supporting legs 2 change along with the length change of the hydraulic telescopic legs 3, and the leveling of the whole platform 1 cannot be influenced. After the leveling is finished, the supporting legs 2 can support the platform 1, and the inclination of the platform 1 caused by the change of hydraulic pressure of the hydraulic telescopic legs 3 can be effectively prevented.
Further specifically, limit structure includes: the sleeve 4 is connected with the connecting rod 201; the pawl 5 is rotatably arranged in the sleeve 4; the ratchet 6 is arranged on the inner side of the sliding rod 202 and is obliquely arranged upwards; the slide rod 202 is slidably disposed in the sleeve 4, and the pawl 5 is engaged with the ratchet 6, and a limit portion is formed in the sleeve 4, so that when the pawl 5 abuts against the ratchet 6, the limit portion limits the pawl 5 from rotating upwards.
Therefore, when the slide rod 202 extends, the pawl 5 can rotate downwards to form a space for the ratchet 6 to pass through, after the ratchet 6 passes through, the pawl 5 is abutted against the ratchet 6, the limiting part limits the upward rotation of the pawl 5, and the slide rod 202 cannot move towards the direction of the connecting rod 201. In this embodiment, a torsion spring is further provided between the pawl 5 and the sleeve 4 so that the pawl 5 can be quickly rotated upward after being rotated downward, and abuts against the ratchet 6.
In the embodiment shown in fig. 2 and 3, a mounting groove for mounting the pawl 5 is formed in the sleeve 4, and the upper side wall of the mounting groove forms a limiting part to limit the upward rotation of the pawl 5.
In a further specific aspect, the connecting structure includes an acoustic releaser 7 connected to the connecting rod 201, and a hook 8 connected to the sliding rod 202, and the hook 8 is hung on the acoustic releaser 7. After the whole platform 1 is placed on the water bed, the hook 8 is removed by the acoustic releaser 7, releasing the slide bar 202.
The further optimization is that a balancing weight 9 is arranged on the sliding rod 202. Therefore, the sliding rod 202 can slide downwards, the weight is increased through the balancing weight 9, the sliding rod 202 can be effectively supported with the bottom surface of the water bottom, and the phenomenon of virtual bottom is prevented.
In the embodiment shown in fig. 2, the hook 8 is directly connected to the weight 9.
The further optimization is that, in a preferred embodiment, as shown in fig. 4, a ratchet 6 area and a guide area are arranged on the sliding rod 202 at intervals along the circumferential direction of the sliding rod 202, the ratchet 6 is arranged in the ratchet 6 area, the guide area is provided with a convex guide rail 10, and a sliding groove 11 for the guide rail 10 to slide is arranged in the sleeve 4.
Through the arrangement, the force in the horizontal direction can be transmitted between the guide rail 10 and the sleeve 4, the pawl 5 is prevented from being stressed in the horizontal direction, and the service life of the whole device is prolonged.
Further, the lower end of the sliding rod 202 is hemispherical. Therefore, when the platform 1 is rotated, because the lower end of the slide rod 202 is in a hemispherical shape, when the angle of the platform 1 is adjusted, relative rotation and movement between the lower end of the slide rod 202 and the bottom surface of the water bottom are facilitated, and in addition, through the hemispherical arrangement, the contact area between the slide rod 202 and the bottom surface of the water bottom can be increased, and stable supporting force can be provided.
A further optimization is that the bottom of the hydraulic telescopic leg 3 is provided with a pressure sensor 12. Therefore, by arranging the pressure sensor 12, external monitoring equipment monitors the pressure value of the pressure sensor 12 and monitors whether the hydraulic telescopic leg 3 is in contact with the bottom surface of the water bottom.
The utility model also provides a leveling method of submarine landing platform 1, the four-point leveling system of arbitrary one of the above-mentioned embodiment of application, the method includes:
placing the platform 1 on the water bottom;
determining a point A, a point B, a point C and a point D on the platform 1 corresponding to the positions of the supporting legs 2;
leveling: s1, identifying the point at the lowest position, and extending the hydraulic telescopic leg 3 corresponding to the point at the lowest position so that the point at the lowest position and the opposite point are at the same height;
s2, among the remaining two points, extending the hydraulic telescopic leg 3 corresponding to the point at the lower position therein so that the remaining two points are at the same height;
and a detection step, namely obtaining the height difference between each point, if the maximum value of the height difference is smaller than a set threshold value, finishing the leveling, and if the height difference is larger than the set threshold value, repeating the leveling step and the detection step.
Specifically, as shown in fig. 5, a point a, a point B, a point C, and a point D are points on the platform 1 corresponding to the tops of the hydraulic telescopic legs 3 in a horizontal state, and a point a, a point B, a point C, and a point D are actual states of the platform 1 placed under the water. The point E, the point F, the point G and the point H are points on the top of the platform 1 at the corresponding positions of the supporting legs 2, and the point E, the point F, the point G and the point H are actual states of the platform 1 after being placed under the water. During adjustment, the hydraulic telescopic leg 3 corresponding to the point a is firstly extended, the whole platform 1 rotates by taking GF as an axis, after the point a and the point C are at the same height, at this time, the point D is lower than the point B, the hydraulic telescopic leg 3 at the point D is extended, at this time, the whole platform 1 rotates by taking EF as an axis, after the point D and the point B are at the same height, the point a, the point B, the point C and the point D are approximately on the same plane, and at this time, a detection step can be performed.
By adopting the method, the leveling can be finished by only extending the hydraulic telescopic legs 3 at two positions, and the method is convenient to calculate and easy to control.
More specifically, in the preferred method, the illustrated attachment structure is used to release the hook 8 via the acoustic release 7 after the platform 1 is placed on the water bottom.
In a further specific aspect, the method further includes:
establishing a coordinate system:
when the platform 1 is in a horizontal state, establishing a space coordinate system XYZ on the plane of the platform 1 by taking the intersection point of connecting lines between the tops of the supporting legs 2 as an origin point, wherein an X axis is collinear with the origin point and the point A, a Y axis is collinear with the origin point and the point B, and the distances between the point A, the point B, the point C, the point D and the origin point are all L;
the leveling step comprises:
p1, providing an attitude sensor, and acquiring Euler angles alpha, beta and gamma of the platform 1 after the platform 1 is placed at the water bottom and before the platform 1 is horizontal;
p2, calculating the actual coordinates of point a, point B, point C, and point D on platform 1:
p21, establishing a rotation matrix;
p22, obtaining an equivalent matrix;
p23, calculating;
p24, obtaining the actual coordinates of the point A, the point B, the point C and the point D;
ZA＝-L sinβcosγ，ZB＝L sinβsinγ，Zc＝L sinβcosγ，ZD＝-Lsinβsinγ；
p3, determination of the extension of the hydraulic telescoping leg 3:
obtaining the difference L between the ordinate of the lowest point and the ordinate of the point opposite to the lowest point1Determining the extension of the hydraulic telescopic leg 3 at the position corresponding to the lowest point after the hydraulic telescopic leg is abutted on the water bottom as | L1|；
Determining the difference L between the ordinate of the lower point of the two remaining points and the ordinate of the point opposite to it2Determining lower point correspondencesThe hydraulic telescopic leg 3 has an elongation | L after abutting against the water bottom2|。
Before each leveling step of S1, the actual coordinates of each point are obtained through the step P1, then the hydraulic telescopic legs 3 needing to be adjusted in the steps S1 and S2 and the adjustment sequence are determined, as shown in the figure, the ordinate of the point A is the lowest, the hydraulic telescopic leg 3 corresponding to the point A is determined to be stretched firstly, then the hydraulic telescopic leg 3 at the stretching point D is determined, and the adjustment sequence is determined to be the point A and the point D. Then the difference L of the ordinate between the point A and the point C is determined1Then, the difference L of the ordinate between the point D and the point B is determined2The extension length of each hydraulic extendable leg 3 can be determined.
For monitoring the abutment of the hydraulic telescopic leg 3 with the water bottom, the pressure sensor 12 may be disposed at the bottom of the hydraulic telescopic leg 3 as in the previous embodiment, and other monitoring elements and monitoring methods, such as a push switch, and further, for example, a hydraulic pressure change monitoring backstepping, etc., may also be employed.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. A four-point leveling system for an underwater landing platform is characterized in that,
platform:
the four supporting legs are arranged at the bottom of the platform and are respectively positioned at four corners of a rectangle, and each supporting leg comprises a connecting rod connected with the platform and a sliding rod connected with the connecting rod in a sliding manner;
the connecting structure is connected with the sliding rod and the connecting rod and can release the sliding rod;
the limiting structure is arranged between the sliding rod and the connecting rod and used for limiting the sliding of the sliding rod to the connecting rod;
and the four hydraulic telescopic legs are respectively positioned between the two support legs.
2. The four-point leveling system for an underwater landing platform of claim 1, wherein the stop structure comprises:
the sleeve is connected with the connecting rod;
the pawl is rotatably arranged in the sleeve;
the ratchet is arranged on the inner side of the sliding rod and is obliquely and upwards arranged;
the sliding rod is arranged in the sleeve in a sliding mode, the pawl is matched with the ratchet, and a limiting part is formed in the sleeve, so that when the pawl abuts against the ratchet, the limiting part limits the pawl to rotate upwards.
3. The four-point leveling system for an underwater landing platform of claim 2, wherein the connecting structure comprises an acoustic release connected to the connecting rod, and a hook connected to the slide rod, the hook being attached to the acoustic release.
4. The four-point leveling system for an underwater landing platform of claim 2, wherein the sliding rod is provided with a weight block.
5. The four-point leveling system for the underwater landing platform as claimed in claim 2, wherein the sliding rod is provided with a ratchet area and a guiding area at intervals along the circumference direction of the sliding rod, the ratchet is arranged in the ratchet area, the guiding area is provided with a convex guide rail, and the sleeve is provided with a sliding groove for the guide rail to slide.
6. The four-point leveling system for an underwater landing platform of claim 1, wherein the lower end of the slide bar is hemispherical.
7. The four-point leveling system for an underwater landing platform of claim 1, wherein the bottom of the hydraulic telescoping leg is provided with a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675153.4U CN209876414U (en) | 2019-05-10 | 2019-05-10 | Four-point leveling system for underwater landing platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920675153.4U CN209876414U (en) | 2019-05-10 | 2019-05-10 | Four-point leveling system for underwater landing platform |
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| CN209876414U true CN209876414U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043772A (en) * | 2019-05-10 | 2019-07-23 | 山东拓普液压气动有限公司 | A kind of 4 leveling systems and its leveling method for water-bed landing platform |
-
2019
- 2019-05-10 CN CN201920675153.4U patent/CN209876414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043772A (en) * | 2019-05-10 | 2019-07-23 | 山东拓普液压气动有限公司 | A kind of 4 leveling systems and its leveling method for water-bed landing platform |
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