CN114199534A

CN114199534A - Test platform

Info

Publication number: CN114199534A
Application number: CN202111257640.7A
Authority: CN
Inventors: 朱江森; 覃刚; 杜明雅; 李克飞; 王宝宝
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-18

Abstract

The disclosure provides a test platform, and belongs to the field of mechanical devices. The test platform comprises a support frame, a lifting mechanism, a ring beam, a swinging mechanism and a platform main body; the platform main body is positioned in the ring beam; the swing mechanism is respectively connected with the platform main body and the ring beam so as to drive the platform main body to swing horizontally relative to the ring beam, and the swing axis of the platform main body is positioned in a horizontal plane; the lifting mechanism is respectively connected with the support frame and the ring beam to drive the ring beam to vertically move relative to the support frame, and the moving direction of the ring beam is perpendicular to the swinging axis of the platform main body. This openly passes through test platform, can realize carrying out the slope to supporting device and sway the test.

Description

Test platform

Technical Field

The disclosure relates to the field of mechanical devices, in particular to a test platform.

Background

Because the marine environment is very complicated, in a ship production test, a ship matching device is often required to be subjected to a tilt and swing test so as to detect the environmental adaptability of the matching device.

In the related art, since the size of the kit is large, the test can be verified only by a sea test when the tilt and swing test is performed. The sea test means that a newly built ship goes out of the sea to carry out scientific experiments.

However, when the ship is subjected to the sea test, the sea condition corresponding to the sea test cannot necessarily reach the limit sea condition specified by the design of the matching device, so that the test result obtained by the matching device in the sea test is inaccurate, the reliability is reduced, and further the matching device still has unpredictable risk when meeting the limit sea condition.

Disclosure of Invention

The embodiment of the disclosure provides a test platform, which can realize inclination test of a matching device of a ship. The technical scheme is as follows:

the embodiment of the disclosure provides a test platform, which comprises a support frame, a lifting mechanism, a ring beam, a swinging mechanism and a platform main body;

the platform main body is positioned in the ring beam;

the swing mechanism is respectively connected with the platform main body and the ring beam so as to drive the platform main body to swing horizontally relative to the ring beam, and the swing axis of the platform main body is positioned in a horizontal plane;

the lifting mechanism is respectively connected with the support frame and the ring beam to drive the ring beam to vertically move relative to the support frame, and the moving direction of the ring beam is perpendicular to the swinging axis of the platform main body.

In yet another implementation of the present disclosure, the swing mechanism includes a first swing structure and a second swing structure;

the first swinging structure is respectively connected with the side wall of the ring beam and the platform main body so as to drive the platform main body to swing relative to the ring beam by a first swinging axis, and the first swinging axis is positioned in a horizontal plane;

the second swing structure is respectively connected with the side wall of the ring beam and the platform main body so as to drive the platform main body and the ring beam to swing with a second swing axis, the second swing axis is located in the horizontal plane, and the first swing axis is perpendicular to the second swing axis.

In yet another implementation of the present disclosure, the first swing structure includes a first connecting shaft, a first cam, and a first swing driver;

the first end of the first cam is sleeved outside the first end of the first connecting shaft, and the second end of the first cam is pivoted with the free end of the first swing driving piece;

the first connecting shaft is rotatably inserted into the ring beam, and the second end of the first connecting shaft is connected with the platform main body;

the fixed end of the first swing driving piece is pivoted with the ring beam, and the pivoting axis of the free end of the first swing driving piece, the pivoting axis of the fixed end of the first swing driving piece and the rotating axis of the first connecting shaft are parallel to each other.

In yet another implementation of the present disclosure, the second swing structure includes a second connecting shaft, a second cam, and a second swing driver;

the first end of the second cam is rotatably sleeved outside the first end of the second connecting shaft, and the second end of the second cam is pivoted with the free end of the second swing driving piece;

the second connecting shaft can be rotatably inserted into the ring beam, and the second end of the second connecting shaft is connected with the lifting mechanism;

the fixed end of the second swing driving piece is pivoted with the ring beam, and the pivoting axis of the free end of the second swing driving piece, the pivoting axis of the fixed end of the second swing driving piece and the rotating axis of the second connecting shaft are parallel to each other.

In yet another implementation of the present disclosure, the platform body includes a mounting bracket, a connection block, and a first elevation driving structure;

the connecting block is connected with the mounting rack in a sliding mode, and the sliding direction of the connecting block is the same as the moving direction of the ring beam;

two ends of the first lifting driving structure are respectively connected with the mounting frame and the connecting block;

and the second end of the first connecting shaft is connected with the connecting block.

In yet another implementation of the present disclosure, the platform body further comprises a locking structure comprising a locking lever, a locking sleeve, and a locking drive;

the locking sleeve is sleeved outside the locking rod in a threaded manner, and the outer wall of the locking sleeve is connected with the mounting frame;

the driving end of the locking driving piece is pivoted with the first end of the locking rod, and the fixed end of the locking driving piece is connected with the mounting frame;

the second end of the locking rod is rotatably connected with the connecting block, and the axial direction of the locking rod is the same as the moving direction of the ring beam.

In yet another implementation of the present disclosure, the lifting mechanism includes a lifting slider and a second lifting driving structure;

the free end of the second lifting driving structure is pivoted with the lifting slide block, and the fixed end of the second lifting driving structure is connected with the inner wall of the support frame;

the lifting slide block is connected with the support frame in a sliding mode, the lifting slide block is sleeved outside the second end of the second connecting shaft, and the moving direction of the lifting slide block is perpendicular to the axis of the second connecting shaft.

In yet another implementation of the present disclosure, the second lift driving structure includes a driving cylinder and a plurality of load cylinders;

the bearing oil cylinders are arranged at intervals by taking the driving oil cylinder as a center, and the telescopic direction of the driving oil cylinder is the same as that of the bearing oil cylinder;

the free end of the driving oil cylinder and the free end of each bearing oil cylinder are respectively connected with the lifting slide block, and the fixed end of the driving oil cylinder and the fixed end of each bearing oil cylinder are respectively connected with the supporting frame.

In yet another implementation of the present disclosure, the support frame includes two spaced-apart and parallel struts, the ring beam being located between the two struts;

each the pillar is inside to have the slip chamber, elevating system is two, and two elevating system and two the slip chamber one-to-one, elevating system is located the correspondence slide the intracavity.

In yet another implementation of the present disclosure, the column includes four lifting slide rails;

four the lift slide rail all is located the slip intracavity, four two liang of relative just with the two inside walls in slip chamber link to each other respectively of lift slide rail, be located two of the same inside wall in slip chamber have the guide way between the lift slide rail, elevating system is located the correspondence in the guide way.

The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:

when using the test platform that this disclosed embodiment provided to test, at first fix the supporting device of the boats and ships that treat the test on the platform main part, then through controlling first swing structure, make the platform main part take place the swing, simultaneously through controlling first lift drive structure, make the platform main part can carry out rapid acceleration or rapid deceleration removal under the effect of external force, like this alright through the comprehensive motion state of platform main part, simulate marine environment's complex situation, with the environment adaptability who detects the supporting device of boats and ships, avoid can only rely on sea examination and detect, improve the reliability of testing result.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a test platform provided in an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a first swing structure provided in the embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a ring beam provided by embodiments of the present disclosure;

FIG. 4 is a schematic structural view of a portion of a platform body provided by embodiments of the present disclosure;

FIG. 5 is a schematic structural view of another portion of a platform body provided by embodiments of the present disclosure;

FIG. 6 is a schematic structural diagram of a support column provided by the embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a lifting mechanism provided in the embodiment of the present disclosure.

The symbols in the drawings represent the following meanings:

1. a support frame; 11. a pillar; 110. a sliding cavity; 12. lifting the slide rail; 121. a guide groove;

2. a lifting mechanism; 21. a lifting slide block; 211. a male portion; 22. a second elevation drive structure; 221. a driving oil cylinder; 222. a bearing oil cylinder;

3. a ring beam; 31. a cross beam; 32. a stringer; 33. a first oil cylinder connecting seat; 34. a second oil cylinder connecting seat;

4. a swing mechanism; 41. a first swing structure; 411. a first connecting shaft; 412. a first cam; 413. a first swing driving member; 414. a drive key;

42. a second swing structure; 421. a second connecting shaft; 422. a second cam; 423. a second swing drive;

5. a platform body; 51. a mounting frame; 511. a top frame; 512. a side frame; 5121. a strip frame; 513. a bottom platform; 5131. a secondary platform; 514. supporting the slide rail; 5141. a rail structure; 5142. a guide rail reinforcing rib; 52. connecting blocks; 53. a first elevation drive structure; 54. a locking structure; 541. a locking lever; 542. a locking sleeve; 543. locking the driving member.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

The embodiment of the disclosure provides a test platform, as shown in fig. 1, the test platform comprises a support frame 1, a lifting mechanism 2, a ring beam 3, a swinging mechanism 4 and a platform main body 5. The platform body 5 is located within the ring beam 3. The swing mechanism 4 is respectively connected with the platform main body 5 and the ring beam 3 so as to drive the platform main body 5 to swing horizontally relative to the ring beam 3, and the swing axis of the platform main body 5 is positioned in a horizontal plane.

The lifting mechanism 2 is respectively connected with the support frame 1 and the ring beam 3 so as to drive the ring beam 3 to vertically move relative to the support frame 1, and the moving direction of the ring beam 3 is vertical to the swinging axis of the platform main body 5.

When using the test platform that this disclosed embodiment provided to test, at first fix the supporting device of the boats and ships that treat the test on platform main part 5, then through control swing mechanism 4, make platform main part 5 take place the swing, simultaneously through control elevating system 2, make platform main part 5 can carry out rapid acceleration or rapid deceleration removal under the effect of external force, like this alright through the comprehensive motion state of platform main part 5, simulate marine environment's complex situation, with the environment adaptability who detects the supporting device of boats and ships, avoid can only rely on sea test and detect, improve the reliability of testing result.

Optionally, the oscillating mechanism 4 comprises a first oscillating structure 41 and a second oscillating structure 42. The first swing structure 41 is connected to the side wall of the ring beam 3 and the platform body 5, respectively, to drive the platform body 5 to swing with respect to the ring beam 3 about a first swing axis (line a in fig. 1), which lies in a horizontal plane.

The second swing structure 42 is connected to the side wall of the ring beam 3 and the platform main body 5 respectively to drive the platform main body 5 to swing relative to the ring beam 3 with a second swing axis (a straight line b in fig. 1), the second swing axis is located in the horizontal plane, and the first swing axis is perpendicular to the second swing axis.

In the above manner, the swing mechanism 4 is set as the first swing structure 41 and the second swing structure 42, so that the platform main body 5 can swing (i.e. swing left and right in fig. 1) with the first swing axis relative to the ring beam 3, and simultaneously, the platform main body 5 and the ring beam 3 can swing (i.e. swing back and forth in fig. 1) with the second swing axis, so that the platform main body 5 can simulate the actual working condition vividly, and the test accuracy of the test platform is improved.

Fig. 2 is a schematic structural diagram of a first swinging structure provided in the embodiment of the present disclosure, and in conjunction with fig. 2, the first swinging structure 41 includes a first connecting shaft 411, a first cam 412, and a first swinging driving member 413. A first end of the first cam 412 is sleeved outside a first end of the first connecting shaft 411, and a second end of the first cam 412 is pivoted with a free end of the first swing driving member 413. The first connecting shaft 411 is rotatably inserted into the ring beam 3, and a second end of the first connecting shaft 411 is connected to the platform main body 5.

The fixed end of the first swing driving member 413 is pivoted to the ring beam 3, and a pivot axis of the free end of the first swing driving member 413, a pivot axis of the fixed end of the first swing driving member 413, and a rotation axis of the first connecting shaft 411 are parallel to each other.

In the above implementation, the first connecting shaft 411 is used to connect the first cam 412 with the ring beam 3 and the platform main body 5, so that the first connecting shaft 411 can rotate relative to the ring beam 3 and drive the platform main body 5 to rotate. The first cam 412 is adapted to be rotated by the first swing driver 413 to drive the first connecting shaft 411 to rotate, so that the first connecting shaft 411 and the table main body 5 can be rotated together. The first swing driver 413 is used to power the rotation of the first cam 412 and the first connecting shaft 411.

In this embodiment, the first swing structure 41 further includes a driving key 414, and the driving key 414 is interposed between the first cam 412 and the first connecting shaft 411.

In the above implementation, the driving key 414 is used to drivingly connect the first cam 412 and the first connecting shaft 411 so that the first connecting shaft 411 can rotate together with the first cam 412.

Referring again to fig. 1, the second swing structure 42 includes a second connecting shaft 421, a second cam 422, and a second swing driving member 423. A first end of the second cam 422 is rotatably sleeved outside a first end of the second connecting shaft 421, and a second end of the second cam 422 is pivotally connected to a free end of the second swinging driving member 423.

The second connecting shaft 421 is rotatably inserted into the ring beam 3, and a second end of the second connecting shaft 421 is connected to the lifting mechanism 2.

The fixed end of the second swing driving member 423 is pivotally connected to the ring beam 3, and a pivotal axis of the free end of the second swing driving member 423, a pivotal axis of the fixed end of the second swing driving member 423, and a rotational axis of the second connecting shaft 421 are parallel to each other.

In the above implementation, the second connecting shaft 421 is used to connect the ring beam 3 and the lifting mechanism 2 together, so that the ring beam 3 and the platform main body 5 are driven by the lifting mechanism 2 to lift. The second cam 422 is driven by the second swing driving member 423 to rotate so as to drive the ring beam 3 to rotate about the second connecting shaft 421, so that the ring beam 3, the platform main body 5, and the second cam 422 can rotate together. The second swing driver 423 is used to power the rotation of the second cam 422.

Fig. 3 is a schematic structural diagram of a ring beam provided by an embodiment of the present disclosure, and in combination with fig. 3, for example, the ring beam 3 is a square frame structural member, and the ring beam 3 includes two cross beams 31 and two longitudinal beams 32. The two cross beams 31 are arranged oppositely, the two longitudinal beams 32 are arranged oppositely, and the two longitudinal beams 32 are respectively positioned between the two cross beams 31. Two longitudinal beams 32 are arranged perpendicular to the cross beam 31 to form a frame-shaped structure. The longitudinal direction of the cross member 31 is perpendicular to the axial direction of the first connecting shaft 411.

In the above implementation manner, the ring beam 3 is configured as the above structure, and can be conveniently sleeved outside the platform main body 5, so as to be rotatably connected with the platform main body 5.

The cross beam 31 and the longitudinal beam 32 are connected and locked by bolts.

In this embodiment, the ring beam 3 further includes two first cylinder connection seats 33, and the first cylinder connection seats 33 are respectively connected to outer walls of the two cross beams 31. The number of the first swing structures 41 is two, and the two first swing structures 41 are respectively located on the two cross beams 31. The two first swing structures 41 are arranged in one-to-one correspondence with the two first cylinder connecting seats 33, and each first swing structure 41 is installed on the outer side of the cross beam 31 through the corresponding first cylinder connecting seat 33.

The two first connecting shafts 411 of the two first swing structures 41 are coaxially arranged, so that the platform main body 5 can be stably swung by the first connecting shafts 411.

The first swing driving member 413 is a cylinder structure.

Illustratively, two first cylinder connecting seats 33 are fixed on the corresponding cross beam 31 by welding.

Referring again to fig. 3, the ring beam 3 further includes two second cylinder connection seats 34, and the two second cylinder connection seats 34 are respectively connected to two ends of one of the cross beams 31.

In this embodiment, the number of the second swing structures 42 is two, the two second swing structures 42 are respectively located on the two longitudinal beams 32, the two second swing structures 42 and the two second cylinder connection seats 34 are arranged in a one-to-one correspondence manner, and are installed on the outer sides of the longitudinal beams 32 through the corresponding second cylinder connection seats 34.

The two second connecting shafts 421 in the two second swing structures 42 are coaxially arranged, so that the platform main body 5 and the second connecting shafts 421 stabilized by the ring beam 3 can swing.

The second swing driving member 423 is a cylinder structure.

Fig. 4 is a schematic structural diagram of a portion of the platform main body provided in the embodiment of the present disclosure, and in conjunction with fig. 4, the platform main body 5 optionally includes a mounting frame 51, a connecting block 52, and a first lifting driving structure 53. The connecting block 52 is slidably connected with the mounting frame 51, and the sliding direction between the connecting block 52 and the mounting frame 51 is the same as the moving direction of the ring beam 3. The two ends of the first elevation driving structure 53 are respectively connected with the mounting frame 51 and the connecting block 52. A second end of the first connection shaft 411 is connected to the connection block 52.

In the above implementation, the mounting bracket 51 is used to provide a mounting base for the mating device to be tested. The connecting block 52 is used for connecting the ring beam 3 and the mounting block 51 together, and at the same time, the mounting block 51 can slide relative to the connecting block 52 under the driving of the first lifting driving structure 53.

That is, by providing the platform main body 5 in the above structure, relative sliding movement can be caused between the mounting frame 51 and the ring beam 3 so as to adjust the height of the position of the mounting frame 51 relative to the ring beam 3.

In this embodiment, the first lifting driving structure 53 is an oil cylinder structure. One end of the first elevation driving structure 53 is connected to the connecting block 52 by a fastener such as a bolt, and the other end of the first elevation driving structure 53 is connected to the mounting block 51 by a fastener such as a bolt.

Fig. 5 is a schematic structural diagram of another part of the platform main body provided in the embodiment of the present disclosure, and in conjunction with fig. 5, optionally, the platform main body 5 further includes a locking structure 54, and the locking structure 54 includes a locking rod 541, a locking sleeve 542, and a locking driving member 543. The locking sleeve 542 is sleeved outside the locking rod 541 through threads, and the outer wall of the locking sleeve 542 is connected with the mounting frame 51.

The driving end of the locking driving member 543 is pivotally connected to the first end of the locking rod 541, and the fixed end of the locking driving member 543 is connected to the mounting frame 51. The second end of the locking rod 541 is rotatably connected to the connecting block 52, and the axial direction of the locking rod 541 is the same as the moving direction of the ring beam 3.

In the above implementation, the locking structure 54 is used to support the mounting bracket 51, so that the height of the position between the mounting bracket 51 and the ring beam 3 can be kept stable. After the relative ring beam 3 of mounting bracket 51 goes up and down, the check lock lever 541 can take place to rotate under the drive of locking driving piece 543, and then make the lock sleeve 542 carry out axial displacement along the check lock lever 541, so as to go up and down together with the mounting bracket 51, after the completion that goes up and down at mounting bracket 51, can lock mounting bracket 51 through the helicitic texture between lock sleeve 542 and the check lock lever 541 again, so as to prevent that mounting bracket 51 from sliding once more.

In this embodiment, there are two locking structures 54, and the two locking structures 54 are symmetrically arranged on two sides of the first elevation driving structure 53 with the first elevation driving structure 53 as an axis. This can improve the support strength of the locking structure 54 and improve the stability of the mounting bracket 51.

In this embodiment, the mounting frame 51 is a box-shaped structural member, and the mounting frame 51 includes a top frame 511, two side frames 512, and a bottom platform 513. Top frame 511 and bottom platform 513 are spaced apart from one another and two side frames 512 are disposed opposite one another and connected between top frame 511 and bottom platform 513.

In the above implementation, the top frame 511 is used to connect with a kit to be tested, so as to fix the kit to be tested on the mounting bracket 51. The side frame 512 is used to provide a mounting base for the locking structure 54, the first elevation driving structure 53, and the like. The bottom platform 513 serves to connect the two side frames 512 together to improve the structural stability of the mounting bracket 51.

Referring to fig. 4 and fig. 1 again, in this embodiment, the mounting frame 51 further includes two supporting slide rails 514, the two supporting slide rails 514 and the two side frames 512 are arranged in a one-to-one correspondence, the supporting slide rails 514 are connected to the corresponding side frames 512, and an extending direction of the supporting slide rails 514 is the same as an axial direction of the locking rod 541. The supporting slide rails 514 correspond to the connecting blocks 52 one by one, and the connecting blocks 52 are movably inserted into the corresponding supporting slide rails 514.

In the above implementation, the support rail 514 is used to cooperate with the connecting block 52, so that the mounting frame 51 can move relative to the ring beam 3 along the extending direction of the support rail 514 without deviation.

Each support slide rail 514 includes four L-shaped rail structure members 5141, wherein the L-shaped rail structure members are arranged in pairs, and the four rail structure members 5141 are parallel to each other and form a square structure. The rail structures 5141 are all fixed to the side frames 512 by welding. This enables the connection block 52 to be held by the square space defined by the rail structures 5141 so as to guide the connection block 52.

A plurality of rail reinforcing ribs 5142 are provided in the L-shaped cavity of the rail structure member 5141, so that the structural strength of the support rail 514 can be improved.

In this embodiment, the top frame 511 is a quadrilateral, and a plurality of hollow triangular frame structures are disposed inside the top frame 511, so that the rigidity and stability can be greatly improved, and the weight can be reduced.

The side frame 512 includes two elongated frames 5121, and both ends of the two elongated frames 5121 are respectively connected to the outer edges of the bottom platform 513 and the top frame 511. And the two strip frames 5121 are arranged at intervals, and the opposite outer walls of the two strip frames 5121 are used for being welded with the supporting slide rails 514.

The top frame 511 is provided with a plurality of mounting seats on the side facing the bottom platform 513, the mounting seats are positioned between two strip frames 5121 and welded on the top frame 511, and the gap between the top frame 511 and the mounting seats is eliminated by using a backing plate

Each of the strip frames 5121 has a plurality of triangular hollows therein, which can improve the rigidity and stability of the whole.

The bottom platform 513 is a plate-like structure. A plurality of T-shaped longitudinal ribs and T-shaped transverse ribs are welded to the bottom of the bottom platform 513. The sides of the bottom platform 513 project outwardly away from the top frame 511 to form a secondary platform 5131. The sub-platform 5131 is used for installing auxiliary equipment of a device to be tested, and has a structure form consistent with that of the bottom platform 513.

In this embodiment, the side frames 512 and the bottom platform 513 are fixed by welding. The side frames 512 are bolted to the top frame 511 to ensure that the top frame 511 can be removed when the kit to be tested is installed.

Fig. 6 is a schematic structural diagram of a supporting column provided in an embodiment of the present disclosure, and in conjunction with fig. 6, optionally, the supporting frame 1 includes two columns 11 arranged in parallel and spaced apart, and the ring beam 3 is located between the two columns 11. Each pillar 11 has a sliding cavity 110 therein, two lifting mechanisms 2 are provided, and the two lifting mechanisms 2 correspond to the two sliding cavities 110 one by one, and the lifting mechanisms 2 are located in the corresponding sliding cavities 110.

In the above implementation manner, the two oppositely arranged pillars 11 can conveniently support the ring beam 3, and meanwhile, the lifting mechanism 2 can slide along the pillars 11, so that the lifting stability of the ring beam 3 is ensured.

In this embodiment, the pillar 11 is a U-shaped structural member, and the pillar 11 includes two oppositely disposed side walls and a bottom wall. The two side walls have the same structure, and a plurality of reinforcing ribs are arranged inside the side walls of the support 11 so as to form hollow parts and reduce weight. The inside of the bottom wall of the pillar 11 is provided with a plurality of reinforcing ribs so as to form a hollowed-out portion, thereby reducing weight. The bottom wall of the pillar 11 is connected to the second elevation driving structure 22.

Optionally, the support frame 1 further comprises four lifting slide rails 12. The four lifting slide rails 12 are all located in the slide cavity 110, the four lifting slide rails 12 are opposite in pairs and are respectively connected with two inner side walls of the slide cavity 110, a guide groove 121 is arranged between the two lifting slide rails 12 located on the same inner side wall of the slide cavity 110, and the lifting mechanism 2 is located in the corresponding guide groove 121.

In the above implementation, the lifting slide rail 12 is used to cooperate with the lifting mechanism 2, so that the ring beam 3 can move relative to the support frame 1 along the extending direction of the lifting slide rail 12 without deviating.

Fig. 7 is a schematic structural diagram of a lifting mechanism provided in an embodiment of the present disclosure, and in conjunction with fig. 7, optionally, the lifting mechanism 2 includes a lifting slider 21 and a second lifting driving structure 22. The free end of the second lifting driving structure 22 is pivoted with the lifting slider 21, and the fixed end of the second lifting driving structure 22 is connected with the inner wall of the support frame 1.

The lifting slider 21 is slidably connected with the support frame 1, the lifting slider 21 is sleeved outside the second end of the second connecting shaft 421, and the moving direction of the lifting slider 21 is perpendicular to the axis of the second connecting shaft 421.

In the above implementation, the second elevation driving structure 22 is used for driving the elevation slider 21 to ascend and descend.

In this embodiment, in order to improve the adhesion between the lifting slider 21 and the lifting slide rail 12, the two opposite sides of the lifting slider 21 have convex portions 211, and the convex portions 211 are located in the guide grooves 121.

The structural form of the lifting slide rail 12 is identical to that of the support slide rail 514, and therefore, the detailed description thereof is omitted.

Optionally, the second lift drive structure 22 includes a drive cylinder 221 and a plurality of load cylinders 222. The plurality of load cylinders 222 are arranged at intervals with the driving cylinder 221 as the center, and the extending and retracting direction of the driving cylinder 221 is the same as the extending and retracting direction of the load cylinders 222.

The free end of the driving oil cylinder 221 and the free end of each bearing oil cylinder 222 are respectively connected with the lifting slide block 21, and the fixed end of the driving oil cylinder 221 and the fixed end of each bearing oil cylinder 222 are respectively connected with the support frame 1.

In the above implementation, the carrying cylinder 222 is used for supporting the lifting slider 21 so that the lifting slider 21 is maintained at the corresponding height position.

In this embodiment, six load cylinders 222 are provided on the side of the lifting slider 21 facing the bottom wall of the column 11. The driving cylinder 221 is one, and is disposed at the middle of the side of the lifting slider 21 toward the bottom wall of the column 11.

The working process of the test platform provided by the embodiment of the disclosure is briefly introduced as follows:

first, the kit to be tested is fixed to the top frame 511 of the mounting frame 51. The first elevation drive structure 53 is then controlled to adjust the position of the mounting frame 51 relative to the ring beam 3.

Then, controlling the first swing structure 41 and the second swing structure 42, and adjusting the transverse inclination angle and the longitudinal inclination angle of the matched device to be tested;

finally, the second lifting driving structure 22 provides exciting force and bearing force, and different levels of sea conditions are simulated by detecting different reciprocating motion working conditions of the mounting frame 51, so that the matched device to be tested performs different inclined swinging tests.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A test platform is characterized by comprising a support frame (1), a lifting mechanism (2), a ring beam (3), a swinging mechanism (4) and a platform main body (5);

the platform main body (5) is positioned in the ring beam (3);

the swing mechanism (4) is respectively connected with the platform main body (5) and the ring beam (3) to drive the platform main body (5) to swing horizontally relative to the ring beam (3), and the swing axis of the platform main body (5) is positioned in a horizontal plane;

the lifting mechanism (2) is respectively connected with the support frame (1) and the ring beam (3) to drive the ring beam (3) to vertically move relative to the support frame (1), and the moving direction of the ring beam (3) is perpendicular to the swinging axis of the platform main body (5).

2. Test platform according to claim 1, characterized in that said oscillating mechanism (4) comprises a first oscillating structure (41) and a second oscillating structure (42);

the first swinging structure (41) is respectively connected with the side wall of the ring beam (3) and the platform main body (5) so as to drive the platform main body (5) to swing relative to the ring beam (3) by a first swinging axis which is positioned in a horizontal plane;

the second swing structure (42) is respectively connected with the side wall of the ring beam (3) and the platform main body (5) to drive the platform main body (5) and the ring beam (3) to swing with a second swing axis, the second swing axis is located in a horizontal plane, and the first swing axis is perpendicular to the second swing axis.

3. Test platform according to claim 2, characterized in that said first oscillating structure (41) comprises a first connecting shaft (411), a first cam (412) and a first oscillating drive (413);

a first end of the first cam (412) is sleeved outside a first end of the first connecting shaft (411), and a second end of the first cam (412) is pivoted with a free end of the first swinging driving piece (413);

the first connecting shaft (411) is rotatably inserted into the ring beam (3), and the second end of the first connecting shaft (411) is connected with the platform main body (5);

the stiff end of first swing driving piece (413) with ring roof beam (3) pin joint, the pin joint axis of the free end of first swing driving piece (413), the pin joint axis of the stiff end of first swing driving piece (413), the axis of rotation of first connecting shaft (411) is parallel to each other.

4. Test platform according to claim 2, characterized in that said second oscillating structure (42) comprises a second connecting shaft (421), a second cam (422) and a second oscillating drive (423);

the first end of the second cam (422) is rotatably sleeved outside the first end of the second connecting shaft (421), and the second end of the second cam (422) is pivoted with the free end of the second swinging driving piece (423);

the second connecting shaft (421) can be rotatably inserted into the ring beam (3), and the second end of the second connecting shaft (421) is connected with the lifting mechanism (2);

the fixed end of the second swing driving piece (423) is pivoted with the ring beam (3), and the pivoting axis of the free end of the second swing driving piece (423), the pivoting axis of the fixed end of the second swing driving piece (423) and the rotating axis of the second connecting shaft (421) are parallel to each other.

5. Test platform according to claim 3, characterized in that the platform body (5) comprises a mounting frame (51), a connecting block (52) and a first lifting drive structure (53);

the connecting block (52) is connected with the mounting frame (51) in a sliding mode, and the sliding direction of the connecting block (52) is the same as the moving direction of the ring beam (3);

two ends of the first lifting driving structure (53) are respectively connected with the mounting frame (51) and the connecting block (52);

the second end of the first connecting shaft (411) is connected with the connecting block (52).

6. Test platform according to claim 5, characterized in that the platform body (5) further comprises a locking structure (54), the locking structure (54) comprising a locking lever (541), a locking sleeve (542) and a locking drive (543);

the locking sleeve (542) is sleeved outside the locking rod (541) in a threaded manner, and the outer wall of the locking sleeve (542) is connected with the mounting frame (51);

the driving end of the locking driving piece (543) is pivoted with the first end of the locking rod (541), and the fixed end of the locking driving piece (543) is connected with the mounting frame (51);

the second end of the locking rod (541) is rotatably connected with the connecting block (52), and the axial direction of the locking rod (541) is the same as the moving direction of the ring beam (3).

7. Test platform according to claim 4, characterized in that the lifting mechanism (2) comprises a lifting slider (21) and a second lifting drive structure (22);

the free end of the second lifting driving structure (22) is pivoted with the lifting slide block (21), and the fixed end of the second lifting driving structure (22) is connected with the inner wall of the support frame (1);

the lifting slide block (21) is connected with the support frame (1) in a sliding mode, the lifting slide block (21) is sleeved outside the second end of the second connecting shaft (421), and the moving direction of the lifting slide block (21) is perpendicular to the axis of the second connecting shaft (421).

8. Test platform according to claim 7, characterized in that the second lifting drive structure (22) comprises a drive cylinder (221) and a plurality of load cylinders (222);

the bearing oil cylinders (222) are arranged at intervals by taking the driving oil cylinder (221) as a center, and the telescopic direction of the driving oil cylinder (221) is the same as that of the bearing oil cylinder (222);

the free end of the driving oil cylinder (221) and the free end of each bearing oil cylinder (222) are respectively connected with the lifting slide block (21), and the fixed end of the driving oil cylinder (221) and the fixed end of each bearing oil cylinder (222) are respectively connected with the support frame (1).

9. Test platform according to any of claims 1-8, characterized in that the support frame (1) comprises two spaced and parallel struts (11),

the ring beam (3) is positioned between the two pillars (11);

each pillar (11) is inside to have slip chamber (110), elevating system (2) are two, and two elevating system (2) and two slip chamber (110) one-to-one, elevating system (2) are located the correspondence slip chamber (110).

10. Test platform according to claim 9, characterized in that the column (11) comprises four lifting slides (12);

four lifting slide rail (12) all are located in slip chamber (110), four lifting slide rail (12) two liang of relative and respectively with two inside walls in slip chamber (110) link to each other, are located two of the same inside wall in slip chamber (110) guide way (121) have between lifting slide rail (12), elevating system (2) are located correspondingly in guide way (121).