CN212047823U - Marine equipment sways test device - Google Patents

Abstract

The utility model relates to a marine equipment test device that sways. The testing device comprises a bottom plate, wherein a base is assembled on the bottom plate in a rotating mode, a driving mechanism is arranged on the base, the testing device comprises a test bench, four corners of the test bench are connected with the base through a servo telescopic cylinder respectively, the upper end of the servo telescopic cylinder is connected with a ball hinge of the test bench, the lower end of the servo telescopic cylinder is connected with the base through a universal joint, the testing device further comprises an auxiliary support, the lower end of the auxiliary support is connected with the base, and the upper end of the auxiliary support is hinged with the test bench. When the utility model is used, the driving mechanism drives the base to rotate, and the base drives the test bed to realize bow shaking; the servo telescopic cylinder and the auxiliary support tube jointly drive the test bed to realize rolling and pitching. The utility model discloses can realize rolling, pitching and yawing, can simulate marine equipment use scene more really. The yawing, the pitching and the rolling can be simultaneously compounded, and can also be single independent movement, so that the actual use scene and working conditions of the marine equipment can be truly simulated.

Description

Marine equipment sways test device

Technical Field

The utility model relates to a boats and ships technical field especially relates to a marine equipment test device that sways.

Background

When the ship sails on the sea, under the action of external force or internal force factors, buoyancy and gravity are not collinear during normal floating, so that the ship can roll, pitch and bow, and draft of two sides is different, so that the ship pitches or tilts. The swaying characteristic can cause the marine rotary mechanical power equipment to show different dynamic characteristics, influence the stability and the reliability of the marine rotary mechanical power equipment and even induce faults.

In order to enable the marine rotary mechanical power equipment to work normally under the conditions of pitching, rolling and yawing, test equipment is required to perform test and verification, and a basis is provided for design and manufacture of the marine mechanical equipment.

The application publication number is CN 101221094A's Chinese utility model patent application discloses a marine equipment sways slope test device and control method, this test device includes from last chassis that sets gradually down, pitch platform and roll platform, pitch platform swing joint has the pitch revolving axle, two endpoints of this pitch revolving axle are located the left and right sides of pitch platform and fix the upper end swing joint who vertically sets up the pitch support on the chassis with the lower extreme respectively, roll platform swing joint has the roll revolving axle, two endpoints of this roll revolving axle are located the front and back both sides of roll platform and respectively with lower extreme swing joint, provide power and control by the hydraulic pressure station. However, in order to realize rolling and pitching, the test device is respectively provided with a rolling platform, a rolling hydraulic cylinder, a pitching platform and a pitching hydraulic cylinder, and the structure is complex; also, two platforms increase the difficulty of operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a marine equipment test device that sways to solve current marine equipment test device that sways technical problem that the structure is complicated, the operation degree of difficulty is big.

The utility model discloses a marine equipment sways test device's technical scheme is:

the utility model provides a marine equipment sways test device includes the bottom plate, it is equipped with the base that the rotation axis extends along upper and lower direction to rotate on the bottom plate, be equipped with on the base and be used for driving base pivoted actuating mechanism, test device is still including the test bench that is located the base upside, the four corners of test bench is connected with the base through servo telescoping cylinder respectively, servo telescoping cylinder's upper end and test bench ball pivot are connected, servo telescoping cylinder's lower extreme pass through universal joint with the base is connected, test device is still including the auxiliary stay who is used for retraining the test bench, auxiliary stay lower extreme and base fixed connection, the upper end is articulated with the test bench.

As a further improvement to the above technical solution, the universal joint is a first hooke joint, the first hooke joint includes a first lower hinge base, a first upper hinge body, and a first connecting rod, the first lower hinge base is fixedly connected to the base, the first upper hinge body is fixedly connected to the servo telescopic cylinder, an upper end of the first connecting rod is hinged to the first upper hinge body, a lower end of the first connecting rod is hinged to the first lower hinge base, and a rotation axis of the first connecting rod and the first lower hinge base is perpendicular to a rotation axis of the first connecting rod and the first upper hinge body.

As a further improvement to the technical scheme, a ball head seat is fixedly connected to the lower side of the test bed, and a ball head matched with the ball head seat is arranged at the upper end of the servo telescopic cylinder.

As a further improvement to the technical scheme, the servo telescopic cylinder is a servo hydraulic cylinder.

As a further improvement to the technical scheme, the servo telescopic cylinder is provided with a displacement sensor for measuring the telescopic length of the servo telescopic cylinder.

As a further improvement to the above technical solution, the auxiliary support includes a telescopic rod and a support frame, the support frame is fixedly connected to the base, and the telescopic rod is fixedly mounted on the support frame.

As a further improvement to the above technical solution, the telescopic end of the telescopic rod is hinged to the test bed through a second hooke joint, the second hooke joint includes a second lower hinge base, a second upper hinge body and a second connecting rod, the second lower hinge base is fixedly connected to the base, the second upper hinge body is fixedly connected to the servo telescopic cylinder, the upper end of the second connecting rod is hinged to the second upper hinge body, the lower end of the second connecting rod is hinged to the second lower hinge base, and the second connecting rod is perpendicular to the rotation axis of the second lower hinge base and the rotation axis of the second connecting rod and the second upper hinge body.

As a further improvement to the technical scheme, the driving mechanism comprises a rotating shaft, a motor and a worm and gear speed reducer in transmission connection with the motor, one end of the rotating shaft is in rotation-stopping connection with an output shaft of the worm and gear speed reducer, and the other end of the rotating shaft is fixedly connected with the bottom plate.

As a further improvement to the above technical solution, the rotating shaft upper stop sleeve is provided with a connecting sleeve fixedly connected with the base, the connecting sleeve is sequentially sleeved with the planar bearing and the connecting ring from top to bottom, the connecting ring is fixedly connected with the base, the upper end surface of the planar bearing is fixedly connected with the connecting sleeve, and the lower end surface of the planar bearing is fixedly connected with the connecting ring.

The utility model provides a marine equipment test device that sways, compared with the prior art, its beneficial effect lies in:

when the marine equipment swing test device is used, the driving mechanism drives the base to rotate, and the base drives the test bed to realize bow swing; the servo telescopic cylinder and the auxiliary support tube jointly drive the test bed to realize rolling and pitching. The utility model discloses a marine equipment sways test device can realize rolling, pitching and yawing, can simulate marine equipment use scene more really. And simultaneously, use the utility model discloses a marine equipment sways test device, bow, pitch and roll can be compound simultaneously, can also be single independent motion, can simulate marine equipment in-service use scene and operating mode more really. The test device can obtain the working characteristics of the marine equipment under the conditions of rolling, pitching and yawing, and provides basis for the design and manufacture of the marine equipment.

Drawings

Fig. 1 is a first schematic structural diagram of a swing test device for marine equipment according to the present invention;

FIG. 2 is a second schematic structural view of the swing test device of the marine equipment of the present invention;

fig. 3 is a schematic structural diagram of a test bed in the swing test device of the marine equipment of the present invention;

fig. 4 is a schematic structural diagram of a servo hydraulic cylinder in the swing test device of the marine equipment of the present invention;

FIG. 5 is a schematic structural diagram of a Hooke's hinge in the sway testing apparatus for marine equipment of the present invention;

fig. 6 is an assembly schematic diagram of a base and a bottom plate in the swing test device of the marine equipment of the present invention;

FIG. 7 is a cross-sectional view of the base and bottom plate of FIG. 6;

fig. 8 is a schematic structural diagram of a bottom plate in the sway testing device for marine equipment according to the present invention;

fig. 9 is a schematic structural diagram of a base in the swing test device for marine equipment according to the present invention;

fig. 10 is a schematic structural diagram of a driving mechanism in the sway testing device for marine equipment according to the present invention;

FIG. 11 is a schematic diagram of the motor and reducer of FIG. 10;

FIG. 12 is a schematic view of the construction of the spindle of FIG. 10;

figure 13 is an assembly schematic of the connection sleeve, the flat bearing and the connection ring of figure 10;

fig. 14 is a schematic structural view of the connecting sleeve in fig. 10;

FIG. 15 is a schematic view of the attachment ring of FIG. 10;

fig. 16 is a schematic structural view of an auxiliary support in the sway testing device of the marine equipment of the present invention;

in the figure: 1. a base plate; 2. a base; 3. an air spring; 4. a marker post; 5. a motor; 6. a worm gear reducer; 61. a jack; 7. a speed reducer fixing seat; 8. a rotating shaft; 81. a small diameter section; 82. a large diameter section; 83. a connecting flange; 84. a connecting bond; 9. a fixing plate; 10. connecting sleeves; 101 a horizontal part; 102. a vertical portion; 11. a planar thrust ball bearing; 12. a connecting ring; 121. A convex edge; 13. mounting a plate; 14. a stepped bore; 15. a fixed block; 16. a test bed; 161. a fixing hole; 17. a servo hydraulic cylinder; 18. a first hook joint; 181. a first lower hinge mount; 182. a first connecting rod; 183. a first upper hinge body; 19. cushion blocks; 20. a support plate; 21. a ball cup seat; 22. A fixing hole; 23. an avoidance groove; 24. perforating; 25. a support frame; 26. a telescopic rod; 27 a second lower hinge base; 28. a second connecting rod; 29. and a second upper hinge body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a concrete embodiment of marine equipment sways test device, as shown in fig. 1, fig. 2, including bottom plate 1, base 2, actuating mechanism and test bench 16. Wherein, base 2 rotates the assembly on bottom plate 1, and the axis of rotation of base 2 extends along upper and lower direction, and actuating mechanism is used for driving base 2 and rotates for bottom plate 1. Two fixing blocks 15 which are arranged in parallel at intervals are fixedly connected to the base 2, two ends of each fixing block 15 are respectively and fixedly connected with a servo telescopic cylinder which extends upwards, and preferably, the servo telescopic cylinders are servo hydraulic cylinders 17. The upper end of the servo hydraulic cylinder 17 is connected with the test bed 16.

Specifically, the lower end of the servo hydraulic cylinder 17 is fixedly connected with the base through a first hooke joint 18, so that the servo hydraulic cylinder 17 can swing within a certain angle when stretching. Referring to fig. 4 and 5, the first hooke joint 18 includes a first lower hinge base 181, a first upper hinge body 183, and a first connecting rod 182, and the first lower hinge base 181 is fixedly connected to the fixing block. The first lower hinge base 181 includes two parallel coupling lugs having hinge holes. The first connecting rod 182 is hinged between the two connecting lugs by a hinge rod. The first upper hinge body 183 has two, the two first upper hinge bodies 183 are hinged to both sides of the first connecting rod 182, and the rotation axes of the first upper hinge bodies 183 and the first connecting rod 182 are perpendicular to the rotation axis of the first lower hinge base 181. The first upper hinge body 183 is fixedly coupled to the lower end of the servo hydraulic cylinder 17 by a bolt.

Referring to fig. 3, the upper end of the servo hydraulic cylinder 17 is connected with the lower side of the test bed 16 through a spherical hinge, specifically, the upper end of the servo hydraulic cylinder 17 is provided with a stud, and a ball head is connected to the stud through a thread. The ball head seat 21 matched with the ball head is provided with two ear parts, the ear parts are provided with fixing holes 22, and the lower side of the test bed 16 is provided with fixing holes 161 corresponding to the fixing holes.

The servo hydraulic cylinder 17 is provided with a displacement sensor, and when the servo hydraulic cylinder 17 extends, the displacement sensor can detect the extension length of the servo hydraulic cylinder 17, so that the extension length of the servo hydraulic cylinder 17 can be accurately controlled.

As shown in fig. 16, an auxiliary support for restricting the degree of freedom of the test bed 16 is also fixedly connected to the base. The auxiliary support comprises an expansion link 26 and a support frame 25 supported at the bottom of the expansion link 26, the bottom of the support frame 25 is fixedly connected with the base through a screw, the expansion link 26 and the support frame 25 are fixedly connected through a flange plate, and the top of the expansion link 26 is fixedly connected with the test bed 16 through a second hook hinge. The second hooke hinge comprises a second lower hinge base 27, a second upper hinge body 29 and a second connecting rod 28, the second lower hinge base 27 is fixedly connected with the telescopic rod 26, the second upper hinge body 29 is fixedly connected with the swing platform, the upper end of the second connecting rod 28 is hinged with the second upper hinge body 29, the lower end of the second connecting rod 28 is hinged with the second lower hinge base 27, and the rotating axis of the second connecting rod 28 and the second lower hinge base 27 is vertical to the rotating axis of the second connecting rod 28 and the second upper hinge body 29. The second hook joint enables the test bed to swing in the left-right direction and the front-back direction around the top of the auxiliary support. In this embodiment, the retractable rod 26 is a jack.

As shown in fig. 6, 7 and 8, the bottom plate 1 includes a frame and a panel fixedly connected to an upper side of the frame, a through hole penetrating through upper and lower sides of the panel is formed at a center of the panel, and a mounting plate is fixedly connected to the through hole. Step holes 14 penetrating through the upper side and the lower side of the mounting plate are formed in the mounting plate, a plurality of fixing bolts are mounted on steps of the step holes 14, and the two sides of the step holes 14 of the panel are respectively and fixedly connected with a mark post 4 extending upwards.

Referring to fig. 9, the base 2 includes a frame and an outer plate wrapped outside the frame, a through hole 24 penetrating through the upper and lower sides of the base 2 is formed in the center of the upper outer plate, and the through hole 24 is correspondingly penetrated through the stepped hole 14 of the bottom plate 1. The outer plate is provided with avoidance grooves for the mark post 4 on the bottom plate 1 to penetrate upwards at two sides of the through hole 24.

In this embodiment, the base 2 and the bottom plate 1 are rotatably assembled by a bearing. Specifically, a fixing plate 9 is installed in a through hole of the bottom plate 1, a through hole is formed in the center of the fixing plate 9, and a connecting sleeve 10 is fixedly connected to the lower side of the fixing plate 9 through a bolt. As shown in fig. 14, the connecting sleeve 10 is a T-shaped structure, the T-shaped connecting sleeve 10 includes a horizontal portion 101 and a vertical portion 102, the horizontal portion 101 has a plurality of circumferentially arranged fixing holes penetrating the horizontal portion 101, and bolts for connecting with the fixing plate 9 are inserted into the fixing holes. The central hole of the connecting sleeve 10 is communicated with the through hole of the fixing plate 9 in an equal diameter way. The vertical part 102 of the connecting sleeve 10 is sleeved with a plane bearing, preferably, the plane bearing is a plane thrust ball bearing 11, and in other embodiments, the plane thrust ball bearing can be replaced by a plane roller bearing. The upper end surface of the flat thrust ball bearing 11 is fixedly connected with the horizontal part 101 of the connecting sleeve 10 through bolts.

A connecting ring 12 is fixedly connected to the inside of the stepped hole 14 of the bottom plate 1 by bolts, as shown in fig. 13 and 15, the connecting ring 12 is embedded in a large-diameter section of the stepped hole 14, and a center of the connecting ring 12 has a center hole which is through with a small-diameter section of the stepped hole 14 in the same diameter. The vertical portion 102 of the connecting sleeve 10 is fitted into the center hole of the connecting ring 12 and the small diameter section of the stepped hole 14. The outer peripheral wall of the connecting ring 12 has a flange 13 extending upward, and an annular space is formed between the flange 13 and the connecting sleeve 10. The lower end of the plane thrust ball bearing 11 is embedded into the annular space, and the lower end face of the plane thrust ball bearing 11 is fixedly connected with the connecting ring 12 through bolts. The base 2 is relatively fixed on the upper end face of the plane thrust ball bearing 11, and the bottom plate 1 is opposite to the lower end face of the plane thrust ball bearing 11, so that the base 2 is rotatably assembled on the bottom plate 1.

In this embodiment, the driving mechanism includes a motor 5, a speed reducer, and a rotating shaft 8. As shown in fig. 10, 11 and 12, the motor 5 is in transmission connection with a speed reducer, which is a worm gear speed reducer 6. Worm gear speed reducer 6 passes through speed reducer fixing base 7 fixed connection on base 2, and speed reducer fixing base 7 includes bottom plate 1, riser and connects the reinforcing plate between bottom plate 1 and riser. The bottom plate 1 is provided with a connecting hole fixedly connected with the base 2, and the vertical plate is provided with a fixing hole fixedly connected with the worm gear reducer 6. Worm gear speed reducer 6 passes through the key-type connection with pivot 8, and worm gear speed reducer 6's output has jack 61, has the keyway in the jack 61, has on the pivot 8 with keyway assorted connecting key 84. In this embodiment, the rotating shaft 8 is a variable diameter shaft, and the rotating shaft 8 includes a large diameter section, a small diameter section, and a connecting flange 83 fixedly connected to an end of the large diameter section. The minor diameter section of the rotating shaft 8 is matched with the worm gear reducer 6 in a rotation stopping way, and the key groove is axially arranged on the minor diameter section of the rotating shaft 8. The large diameter section is inserted into the connecting sleeve 10. The lower extreme fixedly connected with fixed plate 15 of bottom plate 1, the middle part of fixed plate 15 have with the protruding assorted locating hole of location of pivot 8 downside, have the fixed orifices that link up with flange 83's connecting hole correspondence on the fixed plate 15, flange 83 passes through the bolt fastening with fixed plate 15, realizes pivot 8 and bottom plate 1 fixed connection.

In this embodiment, the avoiding groove is an arc-shaped avoiding groove 23, so that the mark post 4 can move in the base 2 when the driving mechanism drives the base 2 to rotate. Two arcs on base 2 dodge the opening mutual disposition of groove 23, and the groove edge fixedly connected with scale that the groove 23 was dodged to the arc, and when base 2 did not take place relative rotation with bottom plate 1, the zero degree on sighting rod 4 and the scale is corresponding.

In this embodiment, the base 2 and the bottom plate 1 are both rectangular structures, and air springs 3 are respectively installed at four corners of the rectangular bottom plate 1. The underside of the base plate 1 is provided with a support plate 20 having spacers 19 at positions corresponding to the air springs 3.

The utility model discloses a marine equipment sways test device's theory of operation does: the driving mechanism drives the base to rotate, and the base drives the test bed to realize bow shaking; the servo telescopic cylinder and the auxiliary support tube jointly drive the test bed to realize rolling and pitching. Specifically, the motor 5 drives the worm and gear speed reducer 6 to rotate, and as the rotating shaft 8 is fixedly connected with the fixed bottom plate, the worm and gear speed reducer 6 connected with the rotating shaft 8 in a rotation stopping manner rotates around the rotating shaft 8, and the base fixedly connected with the worm and gear speed reducer 6 rotates around the rotating shaft 8. In the process of rotating the base 2, the scale on the base 2 and the marker post 4 move relatively, so that the rotating angle of the base 2 can be obtained. The servo telescopic cylinders 17 arranged at the four corners of the test bed 16 and the auxiliary supports positioned on the lower side of the middle part of the test bed jointly act to realize the rolling and pitching of the test bed 16.

The utility model provides a marine equipment test device that sways compares in prior art, has following advantage: the utility model discloses a marine equipment sways test device can realize rolling, pitching and yawing, can simulate marine equipment use scene more really. And simultaneously, use the utility model discloses a marine equipment sways test device, bow, pitch and roll can be compound simultaneously, can also be single independent motion, can simulate marine equipment in-service use scene and operating mode more really. The test device can obtain the working characteristics of the marine equipment under the conditions of rolling, pitching and yawing, and provides basis for the design and manufacture of the marine equipment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a marine equipment sways test device which characterized in that: the testing device comprises a base plate, it is equipped with the base that the rotation axis extends along upper and lower direction to rotate on the bottom plate, be equipped with on the base and be used for driving base pivoted actuating mechanism, the testing device is still including the test bench that is located the base upside, the four corners of test bench is connected with the base through servo telescoping cylinder respectively, servo telescoping cylinder's upper end and test bench ball pivot are connected, servo telescoping cylinder's lower extreme pass through universal joint with the base is connected, the testing device is still including the auxiliary stay who is used for retraining the test bench, auxiliary stay lower extreme and base fixed connection, the upper end is articulated with the test bench.

2. The marine equipment sway test apparatus of claim 1, characterized in that: the universal joint is a first hooke joint, the first hooke joint comprises a first lower hinge base, a first upper hinge body and a first connecting rod, the first lower hinge base is fixedly connected with the base, the first upper hinge body is fixedly connected with the servo telescopic cylinder, the upper end of the first connecting rod is hinged with the first upper hinge body, the lower end of the first connecting rod is hinged with the first lower hinge base, and the rotating axis of the first connecting rod and the rotating axis of the first lower hinge base are perpendicular to the rotating axis of the first connecting rod and the first upper hinge body.

3. The marine equipment sway test apparatus of claim 1, characterized in that: the test bench downside fixedly connected with bulb seat, the upper end of servo telescoping cylinder is equipped with bulb of bulb seat assorted.

4. The marine equipment sway test apparatus of claim 1, characterized in that: the servo telescopic cylinder is a servo hydraulic cylinder.

5. The marine equipment sway test apparatus of claim 1, characterized in that: and the servo telescopic cylinder is provided with a displacement sensor for measuring the telescopic length of the servo telescopic cylinder.

6. The marine equipment sway test device of any one of claims 1 to 5, characterized in that: the auxiliary support comprises a telescopic rod and a support frame, the support frame is fixedly connected with the base, and the telescopic rod is fixedly installed on the support frame.

7. The marine equipment sway testing arrangement of claim 6, characterized in that: the flexible end of telescopic link pass through the second hook hinge with the test bench is articulated, the second hook hinge includes hinge seat, the second on hinge body and second connecting rod under the second, hinge seat and base fixed connection under the second, hinge body and servo telescoping cylinder fixed connection on the second, hinge body articulated on the upper end and the second of second connecting rod, the lower extreme is articulated under hinge seat and the second, the second connecting rod with under the second the rotation axis of hinge seat with the second connecting rod with the rotation axis of hinge body is mutually perpendicular on hinge body and the second.

8. The marine equipment sway test device of any one of claims 1 to 5, characterized in that: the driving mechanism comprises a rotating shaft, a motor and a worm and gear speed reducer in transmission connection with the motor, one end of the rotating shaft is in rotation stopping connection with an output shaft of the worm and gear speed reducer, and the other end of the rotating shaft is fixedly connected with the bottom plate.

9. The marine equipment sway testing arrangement of claim 8, characterized in that: the rotary shaft upper end rotation sleeve is provided with a connecting sleeve fixedly connected with the base, the connecting sleeve is sequentially sleeved with a plane bearing and a connecting ring from top to bottom, the connecting ring is fixedly connected with the base, the upper end face of the plane bearing is fixedly connected with the connecting sleeve, and the lower end face of the plane bearing is fixedly connected with the connecting ring.

Images