CN211943675U - Bow shaking device for swing and tilt test equipment - Google Patents
Bow shaking device for swing and tilt test equipment Download PDFInfo
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- CN211943675U CN211943675U CN202020429251.2U CN202020429251U CN211943675U CN 211943675 U CN211943675 U CN 211943675U CN 202020429251 U CN202020429251 U CN 202020429251U CN 211943675 U CN211943675 U CN 211943675U
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Abstract
The utility model relates to a bow shakes device for swaing slope test equipment. The bow device comprises a bottom plate, wherein a base with a rotating axis extending along the vertical direction is assembled on the bottom plate in a rotating mode, the bow device further comprises a driving mechanism used for driving the base to rotate, a marker post extending upwards is arranged on the bottom plate, an avoiding groove for the marker post to penetrate upwards is formed in the base, and a scale corresponding to the marker post and used for calibrating the rotating angle of the base is arranged on the groove edge of the avoiding groove. The utility model discloses a bow device can carry out the bow simulation experiment to marine rotating machinery power equipment on the base, obtains the operating characteristic of marine rotating machinery power equipment under the bow condition, provides the foundation for marine mechanical equipment's design and manufacturing. When the base rotates relative to the base plate, the marker post fixed on the base plate and the scale arranged on the base can measure the relative rotation angle of the base and the base plate, so that the yaw angle can be accurately controlled, and the accuracy of a simulation experiment is improved.
Description
Technical Field
The utility model relates to a boats and ships technical field especially relates to a bow shakes device for swaing slope test equipment.
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 CN101221094A of the invention is Chinese patent application disclosing a test device for swinging and tilting marine equipment and a control method thereof, the test device comprises a chassis, a pitching platform and a rolling platform which are sequentially arranged from top to bottom, the pitching platform is movably connected with a pitching rotating shaft, two end points of the pitching rotating shaft are positioned at the left side and the right side of the pitching platform and are respectively and movably connected with the upper end of a pitching support with the lower end fixed on the chassis and longitudinally arranged, the rolling platform is movably connected with a rolling rotating shaft, two end points of the rolling rotating shaft are positioned at the front side and the rear side of the rolling platform and are respectively and movably connected with the lower end, and a hydraulic station provides power and control. However, this test apparatus can only perform the roll test and the pitch test, and cannot perform the yaw test, and cannot obtain the operating characteristics of the marine rotary mechanical power plant under the yaw condition.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a bow device for swaying slope test equipment to solve current slope test equipment that sways and can not carry out the experimental technical problem of bow.
The utility model discloses a technical scheme that is used for swaying bow of slope test equipment and shakes is:
the utility model provides a bow shakes device for swaing slope test equipment includes the bottom plate, it is equipped with the base that the axis of rotation extends along upper and lower direction to rotate on the bottom plate, the bow shakes device still including being used for driving base pivoted actuating mechanism, be equipped with the sighting rod that upwards extends on the bottom plate, be equipped with on the base and supply the sighting rod upwards to wear out dodge the groove, the groove edge of dodging the groove is equipped with and corresponds, is used for demarcating base turned angle's scale with the sighting rod.
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.
As a further improvement to the technical scheme, the connecting sleeve is of a T-shaped structure, and the horizontal part of the connecting sleeve is fixedly connected with the base.
As a further improvement to the above technical solution, a step hole is provided on the bottom plate, the connection ring is embedded in the large diameter end of the step hole, the connection sleeve is embedded in the small diameter section of the step hole, the connection ring is provided with a convex edge extending upward for the outer end, and the flat bearing is embedded in an annulus between the convex edge and the connection sleeve.
As a further improvement to the above technical scheme, the avoiding groove is an arc-shaped groove, and the scale is an arc-shaped scale.
As a further improvement to the technical scheme, air springs are respectively arranged at four corners of the lower end of the bottom plate.
As a further improvement to the technical scheme, the base comprises a frame and a connecting plate wrapped on the outer side of the frame.
The utility model provides a bow shakes device for swaing slope test equipment compares with prior art, and its beneficial effect lies in:
the utility model discloses a when bow for swaing slope test equipment shakes the device and uses, motor drive worm gear speed reducer rotates, because pivot and the fixed bottom plate fixed connection of fixing, the event ends the worm gear speed reducer who changes the connection with the pivot and revolutes the rotation of axes, revolutes the rotation of axes with worm gear speed reducer fixed connection's base. The utility model discloses can carry out the bow simulation experiment to marine rotary mechanical power equipment on the base, obtain marine rotary mechanical power equipment at the operating characteristic under the bow condition, provide the foundation for marine mechanical equipment's design and manufacturing. When the base rotates relative to the base plate, the marker post fixed on the base plate and the scale arranged on the base can measure the relative rotation angle of the base and the base plate, so that the yaw angle can be accurately controlled, and the accuracy of a simulation experiment is improved.
The utility model discloses a bow shakes device bottom for rocking slope test equipment adopts air spring to carry out the vibration isolation and handles, can keep apart external low frequency interference, reduces the influence of external environment's vibration to equipment bow and shakes the experiment.
Drawings
Fig. 1 is a schematic structural diagram of a yawing device for a sway and inclination test apparatus according to the present invention;
figure 2 is a cross-sectional view of a yaw apparatus for a sway and incline test rig of the present invention;
fig. 3 is a schematic structural diagram of a bottom plate in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 4 is a schematic structural diagram of a base in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 5 is a schematic structural diagram of a driving mechanism in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 6 is a schematic structural diagram of a motor and a speed reducer in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 7 is a schematic structural diagram of a rotating shaft in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 8 is an assembly schematic diagram of the connecting sleeve, the plane bearing and the connecting ring in the yawing device for the yawing and tilting test apparatus according to the present invention;
fig. 9 is a schematic structural diagram of a connecting sleeve in a yawing device for a yawing and tilting test apparatus according to the present invention;
fig. 10 is a schematic structural view of a connection ring in a yawing device for a yawing and tilting test apparatus according to the present invention;
in the figure: 1. a base plate; 2. a base; 21. an arc-shaped avoidance slot; 22. perforating; 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. and (7) fixing the plate.
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 a bow device for rocking slope test equipment, as shown in fig. 1, fig. 2, including bottom plate 1, base 2 and actuating mechanism. 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.
Specifically, referring to fig. 3, 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. 4, the base 2 includes a frame and an outer plate wrapped outside the frame, a through hole 22 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 22 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 22.
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. 9, 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. 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. 8 and 10, 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. 5, 6 and 7, 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 manner, the key groove is axially arranged on the minor diameter section of the rotating shaft 8, and the major diameter section is inserted into the connecting sleeve 10. The lower extreme fixedly connected with fixed plate 15 of bottom plate, 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 21, 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 21, and the groove edge fixedly connected with scale that the groove 21 was dodged to the arc, and when base 2 and bottom plate 1 did not take place relative rotation, 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 utility model discloses a theory of operation for swaying bow of slope test equipment is: 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 way 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 utility model provides a bow shakes device for swaing slope test equipment compares in prior art, has following advantage: the utility model discloses a bow device for swaing slope test equipment can carry out the yawing simulation experiment to marine rotating machinery power equipment on base 2, obtains the operating characteristic of marine rotating machinery power equipment under the yawing condition, provides the foundation for the design and the manufacturing of marine mechanical 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 (8)
1. A bow device for swinging and inclining test equipment is characterized in that: the base is provided with a rotating axis and extends along the vertical direction, the bow device further comprises a driving mechanism used for driving the base to rotate, a marker post extending upwards is arranged on the bottom plate, an avoiding groove for the marker post to penetrate upwards is formed in the base, and a scale corresponding to the marker post and used for calibrating the rotating angle of the base is arranged on the groove edge of the avoiding groove.
2. Heading device for a teeter-and-tilt test rig according to claim 1, wherein: 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.
3. Heading device for a teeter-and-tilt test rig according to claim 2, wherein: 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.
4. Heading device for a teeter-and-tilt test rig according to claim 3, wherein: the connecting sleeve is of a T-shaped structure, and the horizontal part of the connecting sleeve is fixedly connected with the base.
5. Heading device for a teeter-and-tilt test rig according to claim 4, wherein: the bottom plate is provided with a step hole, the connecting ring is embedded in the large-diameter end of the step hole, the connecting sleeve is embedded in the small-diameter section of the step hole, the connecting ring is provided with a convex edge extending upwards for the outer end, and the plane bearing is embedded in an annular space between the convex edge and the connecting sleeve.
6. The yaw apparatus for a roll and tilt test apparatus according to any one of claims 1 to 5, wherein: the avoiding groove is an arc-shaped groove, and the scale is an arc-shaped scale.
7. The yaw apparatus for a roll and tilt test apparatus according to any one of claims 1 to 5, wherein: air springs are respectively arranged at the four corners of the lower end of the bottom plate.
8. The yaw apparatus for a roll and tilt test apparatus according to any one of claims 1 to 5, wherein: the base comprises a frame and a connecting plate wrapped on the outer side of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429251.2U CN211943675U (en) | 2020-03-27 | 2020-03-27 | Bow shaking device for swing and tilt test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429251.2U CN211943675U (en) | 2020-03-27 | 2020-03-27 | Bow shaking device for swing and tilt test equipment |
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| Publication Number | Publication Date |
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| CN211943675U true CN211943675U (en) | 2020-11-17 |
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| CN202020429251.2U Active CN211943675U (en) | 2020-03-27 | 2020-03-27 | Bow shaking device for swing and tilt test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353207A (en) * | 2021-06-03 | 2021-09-07 | 上海海事大学 | Comprehensive sea condition testing device for medical pod equipment of ship |
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2020
- 2020-03-27 CN CN202020429251.2U patent/CN211943675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353207A (en) * | 2021-06-03 | 2021-09-07 | 上海海事大学 | Comprehensive sea condition testing device for medical pod equipment of ship |
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