CN118050171A - Multifunctional test bed for ship performance test - Google Patents
Multifunctional test bed for ship performance test Download PDFInfo
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- CN118050171A CN118050171A CN202410444141.6A CN202410444141A CN118050171A CN 118050171 A CN118050171 A CN 118050171A CN 202410444141 A CN202410444141 A CN 202410444141A CN 118050171 A CN118050171 A CN 118050171A
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- 238000012360 testing method Methods 0.000 title claims abstract description 124
- 238000011056 performance test Methods 0.000 title claims abstract description 9
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a multifunctional test bed for ship performance test, which comprises a bed body, wherein a placing seat is arranged in a cavity at the top of the bed body through a bearing, and an inner supporting structure is arranged on the placing seat; the vertical embedded screw thread of installation section of thick bamboo rotates the top of installing at placing the seat, the top of the platform body is connected with the installation cover through first hydraulic stem, be provided with outer clamping mechanism in the clamp table, the top edge of the platform body is fixed with the support, embedded motor that is fixed with in the mount pad, the outside meshing of gear has the tooth cover, the bottom of test column runs through the middle part of clamp table and is located the top center department cavity of placing the seat, butt joint piece and clamp table and the concave part mutual block of placing the seat corresponding position. The multifunctional test bed for ship performance test can perform internal and external dynamic balance test on the ship bearings, and is suitable for bearings with different specifications.
Description
Technical Field
The invention relates to the technical field of dynamic balance testing, in particular to a multifunctional test bed for ship performance testing.
Background
In the production process of ships, a lot of transmission and connecting parts are involved, in order to improve the performance of follow-up ships, need test its transmission and connecting parts, wherein the use of bearing occupies important part in the power operation of boats and ships, to the test of bearing, mostly carry out dynamic balance test through the test bench, avoid its stability that influences power operation, but current test bench has following problem when using:
The utility model discloses a relate to a ship bearing operating mode environment simulation test machine in number (CN 117606795A), through addding the extension arm, the third motor, first band pulley, the second band pulley, the threaded rod, the thread bush, the expansion bracket, expand the fagging, slide rail and round base and cooperation installation, start the third motor and make the threaded rod rotate, can expand the support fixedly to the bearing inner circle when the threaded rod rotates, and can drive the bearing inner circle and rotate when the threaded rod continues to rotate after fixing, thereby make the bearing be in operating condition, can reset it when the threaded rod is reversed, in this document, through fixing the bearing, cooperation simulation ship operating mode, the vibration detection is carried out to the bearing, reach the purpose of dynamic balance test, but this ship bearing operating mode environment simulation test machine has following problem when using:
This ship bearing operating mode environment simulation test machine, through carrying out inside and outside support and fixed to the bearing, be convenient for follow-up rotation test, but inconvenient bearing inner and outer lane carries out step by step test, test function has the limitation, because the bearing inner and outer lane can rotate relatively, and then the rotation of inner and outer lane is the factor that influences its dynamic balance, this ship bearing operating mode environment simulation test machine, although can be applicable to the bearing of different specifications, but inconvenient corresponding vibration test of carrying out different positions according to the change of bearing inner and outer lane only carries out holistic vibration test on a large scale, has greatly influenced the precision of test.
Aiming at the problems, innovative design is urgently needed on the basis of the original test bed.
Disclosure of Invention
The invention aims to provide a multifunctional test bed for ship performance test, which aims to solve the problems that the prior test bed is provided by the background technology, the step-by-step test of the inner ring and the outer ring of a bearing is inconvenient, and the corresponding vibration test of different positions is inconvenient according to the change of the inner ring and the outer ring of the bearing.
In order to achieve the above purpose, the present invention provides the following technical solutions: the multifunctional test bed for ship performance test comprises a bed body, wherein a placing seat is arranged in a cavity at the top of the bed body through a bearing, an inner supporting structure is arranged on the placing seat, and the inner supporting structure is used for supporting a bearing to be tested of a ship from inside;
The test device comprises a test column, and is characterized by further comprising a mounting cylinder, wherein the mounting cylinder is vertically and embedded in the top of a placing seat in a threaded manner, the top of the mounting cylinder is fixedly provided with a placing table, the top of the table body is connected with a mounting sleeve through a first hydraulic rod, the mounting sleeve is internally connected with a clamping table through a bearing, the clamping table is positioned above the placing seat, an outer clamping mechanism is arranged in the clamping table and is used for clamping a bearing to be tested from the outside, a bracket is fixedly arranged at the edge of the top of the table body, the inner side of the top of the bracket is connected with the mounting seat through a second hydraulic rod, a motor is fixedly embedded in the mounting seat, the output end of the motor is connected with a gear, the outer side of the gear is meshed with a tooth sleeve, the tooth sleeve is sleeved on the test column, the test column is rotatably mounted at the bottom of the mounting seat, the bottom of the test column penetrates through the middle of the clamping table and is positioned in a cavity at the center of the top of the placing seat, the upper part and the lower part of the test column are circumferentially fixed with butt blocks, and the butt blocks are mutually clamped with the clamping table and the concave parts at the corresponding positions of the placing seat;
The test assembly is arranged on the side edge of the lower half area of the test column and is used for detecting vibration of the inner area and the outer area of the bearing to be tested;
the position adjusting assembly is arranged in the placing seat, the testing column and the clamping table and is used for adjusting the positions of the inner detection area and the outer detection area according to the position of the bearing to be tested.
Preferably, the inner support structure comprises a knob, the knob is arranged at the bottom of the table body, the top of the knob is positioned in the placing seat and is connected with a first screw rod which is transversely distributed through a bevel gear group, the first screw rod is rotatably arranged in a first movable groove, the first movable groove is formed in the top of the placing seat, and an inner support rod is sleeved on the first screw rod in a threaded mode.
Preferably, the outer clamping mechanism comprises a toothed ring, the toothed ring is embedded and rotatably installed in the clamping table, the bottom of the toothed ring is connected with a second screw rod which is transversely distributed through bevel gears, the second screw rod is rotatably installed in a second movable groove, the second movable groove is formed in the bottom of the clamping table, and an outer clamping rod is sleeved on the second screw rod in a threaded mode.
Preferably, the inner support rod and the outer clamping rod respectively slide in the first movable groove and the second movable groove in an adhering manner, the inner support rod and the outer clamping rod are respectively distributed at equal angles on the placing seat and the clamping table, rubber pads are respectively fixed on the outer side of the top of the inner support rod and the inner side of the bottom of the outer clamping rod, and the rubber pads on the inner support rod and the outer clamping rod are designed into right trapezoid structures which are distributed relatively.
Preferably, the butt joint blocks are vertically clamped with the concave parts at the corresponding positions of the clamping table and the placing seat, and the upper butt joint blocks and the lower butt joint blocks are alternately clamped with the clamping table and the placing seat.
Preferably, the test assembly comprises a first elastic telescopic rod, the first elastic telescopic rod is embedded in the cavity at the outer side of the test column, the bottom of the first elastic telescopic rod is fixedly provided with a mounting block, a cross rod is connected in the mounting block in an embedded type transverse penetrating manner through a spring, and a vibration sensor is fixed at the bottom of the outer end of the cross rod.
Preferably, the position adjustment subassembly includes the main tooth roller, the vertical embedded rotation of main tooth roller is installed in the test column, and main tooth roller and the regional meshing of horizontal pole inner rack, the bottom of main tooth roller is connected with first vice tooth roller, and the one side meshing of first vice tooth roller has first horizontal piston rod to first horizontal piston rod setting is in first fluid intracavity, first fluid intracavity is offered in the test column, and the bottom in first fluid chamber is connected with first vertical piston rod through the spring second, the below that first vertical piston rod bottom stretches out test column part is provided with the touching pole, and the vertical laminating slidable mounting of touching pole is in the top center department cavity of placing the seat, touching pole thread bush is established on the third screw rod, and the third screw rod is connected with the knob, the one side meshing of main tooth roller has the second horizontal piston rod, the second horizontal setting is in the second fluid intracavity, and the second fluid intracavity is offered in the test column, the top is connected with the third piston rod through the spring second and stretches out and draw down the top at the top of the vertical piston rod, and the top is provided with the vertical piston rod top in the vertical boss setting up the vertical piston rod top the vertical boss.
Preferably, the cross bar vertically contacts and slides on the main tooth roller, and the height of the rack area at the inner end of the cross bar is larger than the height of the meshing area on the main tooth roller.
Preferably, the first oil cavity, the second oil cavity and the third oil cavity are all arranged to be of an L-shaped structure, and the trend mirror images of the first oil cavity and the second oil cavity are arranged.
Preferably, the bump is designed into an arc structure, and the cross-sectional area of the third oil cavity where the third transverse piston rod at one end of the bump is located is larger than the cross-sectional area of the third oil cavity where the third vertical piston rod is located.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the first transverse movement can be driven by the downward movement of the first vertical piston rod to contact with the abutting rod, so that the vibration sensor at the bottom of the cross rod is contacted with the top of the bearing inner ring to be tested, and meanwhile, the second transverse movement after the reset is driven by the upward movement of the second vertical piston rod to contact with the third vertical piston rod, so that the vibration sensor at the bottom of the cross rod is contacted with the top of the bearing outer ring to be tested, in the process, the downward movement and the upward movement of the test column are realized only by virtue of the downward movement and the upward movement of the test column, and the bearing inner ring and the outer ring are correspondingly driven to rotate, so that the stepwise rotation of the bearing inner ring and the outer ring can be realized, and the distributed positioning test of the bearing inner ring and the bearing outer ring can be realized by a single vibration sensor, so that the test effect of the bearing is improved;
2. According to the invention, through the movement of the inner support rod and the outer clamping rod, the method is suitable for bearings with different inner diameters and outer diameters, meanwhile, the movement of the inner support rod can drive the contact rod to correspondingly adjust the position of the cross rod which moves transversely for the first time, and further, the movement of the outer clamping rod can drive the third vertical piston rod to correspondingly adjust the position of the cross rod which moves transversely for the second time, so that the device can synchronously adjust the position of the vibration sensor when being suitable for the step-by-step rotation test of the inner ring and the outer ring of bearings with different specifications, so that the stable test of the bearings with different specifications can be conveniently carried out.
Drawings
FIG. 1 is a schematic view of the present invention in a front cross-section;
FIG. 2 is a schematic top view of the placement base of the present invention;
FIG. 3 is a schematic view of the bottom structure of the clamping table of the present invention;
FIG. 4 is a schematic view of the rubber pad structure of the invention;
FIG. 5 is a schematic top view of a mounting block according to the present invention;
FIG. 6 is a schematic illustration of a front cross-sectional structure of a test column of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
Fig. 8 is a schematic view showing the bottom view of the toothed ring of the present invention.
In the figure: 1. a table body; 2. a placement seat; 3. an inner support structure; 31. a knob; 32. a first screw; 33. a first movable groove; 34. an inner support bar; 4. a mounting cylinder; 5. a placement table; 6. a first hydraulic lever; 7. a mounting sleeve; 8. a clamping table; 9. an outer clamping mechanism; 91. a toothed ring; 92. a second screw; 93. a second movable groove; 94. an outer clamping rod; 941. a rubber pad; 10. a bracket; 11. a second hydraulic lever; 12. a mounting base; 13. a motor; 14. a gear; 15. a tooth sleeve; 16. a test column; 17. a butt joint block; 18. a testing component; 181. a first elastic telescopic rod; 182. a mounting block; 183. a first spring; 184. a cross bar; 185. a vibration sensor; 19. a position adjustment assembly; 191. a main toothed roller; 1911. a first sub-toothed roller; 1912. a first transverse piston rod; 1913. the first oil liquid cavity; 1914. a second spring; 1915. a first vertical piston rod; 1916. a touch-up rod; 1917. a third screw; 1918. a second sprocket roller; 1919. a second transverse piston rod; 1920. the second oil liquid cavity; 1921. a third spring; 1922. a second vertical piston rod; 1923. a third vertical piston rod; 1924. a second elastic telescopic rod; 1925. a third oil cavity; 1926. a third transverse piston rod; 1927. and a bump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a multifunctional test stand for ship performance test, a stand body 1, a placement seat 2, an inner supporting structure 3, a knob 31, a first screw rod 32, a first movable groove 33, an inner supporting rod 34, a mounting cylinder 4, a placement stand 5, a first hydraulic rod 6, a mounting sleeve 7, a clamping stand 8, an outer clamping mechanism 9, a toothed ring 91, a second screw rod 92, a second movable groove 93, an outer clamping rod 94, a rubber pad 941, a bracket 10, a second hydraulic rod 11, a mounting seat 12, a motor 13, a gear 14, a toothed sleeve 15, a test column 16, a butt joint block 17, a test assembly 18, a first elastic telescopic rod 181, a mounting block 182, a spring one 183, a cross rod 184, a vibration sensor 185, a position adjusting assembly 19, a main toothed roller 191, a first auxiliary toothed roller 1911, a first transverse piston rod 1912, a first oil cavity 1913, a spring two 1914, a first vertical piston rod 1915, a collision rod 1916, a third screw rod 1917, a third auxiliary toothed roller 1918, a second transverse piston rod 1919, a second cavity 1920, a spring three vertical piston rod 1921, a third vertical piston rod 1922, a third vertical piston rod 1923, a third piston rod 1924, a third transverse piston rod 1925, and 1925.
Embodiment one: referring to fig. 1-4, a placing seat 2 is installed in a cavity at the top of a platform body 1 through a bearing, an inner supporting structure 3 is arranged on the placing seat 2, and the inner supporting structure 3 is used for supporting a bearing to be tested of a ship from inside; the vertical embedded screw thread of the mounting cylinder 4 is rotatably mounted at the top of the placement seat 2, the placement table 5 is fixedly arranged at the top of the mounting cylinder 4, the top of the table body 1 is connected with the mounting sleeve 7 through the first hydraulic rod 6, the mounting sleeve 7 is internally connected with the clamping table 8 through a bearing, the clamping table 8 is positioned above the placement seat 2, the clamping table 8 is internally provided with the outer clamping mechanism 9, the outer clamping mechanism 9 is used for clamping a bearing to be tested from the outside, the bracket 10 is fixedly arranged at the edge of the top of the table body 1, the inner side of the top of the bracket 10 is connected with the mounting seat 12 through the second hydraulic rod 11, the motor 13 is fixedly arranged in the mounting seat 12 in an embedded manner, the output end of the motor 13 is connected with the gear 14, the outer side of the gear 14 is meshed with the tooth sleeve 15, the tooth sleeve 15 is sleeved on the testing column 16, the testing column 16 is rotatably mounted at the bottom of the mounting seat 12, the middle part of the testing column 16 penetrates through the clamping table 8 and is positioned in a cavity at the center of the top of the placement seat 2, the upper part and the lower part of the testing column 16 are circumferentially fixedly provided with the butt joint blocks 17, and the butt joint blocks 17 and the clamping seat 8 are correspondingly sunken to the placement seat 2;
The inner support structure 3 comprises a knob 31, the knob 31 is arranged at the bottom of the table body 1, the top of the knob 31 is positioned in the placing seat 2 and is connected with first screws 32 which are transversely distributed through a bevel gear group, the first screws 32 are rotatably arranged in first movable grooves 33, the first movable grooves 33 are formed in the top of the placing seat 2, and inner support rods 34 are sleeved on the first screws 32 in a threaded manner; the outer clamping mechanism 9 comprises a toothed ring 91, the toothed ring 91 is embedded and rotatably installed in the clamping table 8, the bottom of the toothed ring 91 is connected with a second screw 92 which is transversely distributed through bevel teeth, the second screw 92 is rotatably installed in a second movable groove 93, the second movable groove 93 is formed in the bottom of the clamping table 8, and an outer clamping rod 94 is sleeved on the second screw 92 in a threaded manner; the inner support rod 34 and the outer clamping rod 94 respectively slide in the first movable groove 33 and the second movable groove 93 in an adhering manner, the inner support rod 34 and the outer clamping rod 94 are respectively distributed on the placing seat 2 and the clamping table 8 at equal angles, rubber pads 941 are respectively fixed on the outer side of the top of the inner support rod 34 and the inner side of the bottom of the outer clamping rod 94, and the rubber pads 941 on the inner support rod 34 and the outer clamping rod 94 are designed into right trapezoid structures which are distributed relatively; the butt joint blocks 17 are vertically clamped with the concave parts of the corresponding positions of the clamping table 8 and the placing seat 2, and the upper butt joint blocks 17 and the lower butt joint blocks 17 are alternately clamped with the clamping table 8 and the placing seat 2;
The inner ring of the bearing to be tested is supported and fixed through the inner supporting structure 3, the outer ring of the bearing to be tested is clamped and fixed through the outer clamping mechanism 9, meanwhile, the bearings to be tested with different specifications can be tested through the adjustment of the positions of the inner supporting rod 34 and the outer clamping rod 94, and then the inner ring and the outer ring of the bearing to be tested are driven to rotate step by step through the up-and-down movement of the testing column 16;
Embodiment two: referring to fig. 1-4, referring to fig. 1 and 5-8, in accordance with a first embodiment, a test assembly 18 is disposed at a side of a lower half region of a test column 16, and the test assembly 18 is configured to perform vibration detection on an inner region and an outer region of a bearing to be tested; the position adjusting component 19 is arranged in the placing seat 2, the test column 16 and the clamping table 8, and the position adjusting component 19 is used for adjusting the positions of the inner detection area and the outer detection area according to the position of the bearing to be tested;
The test assembly 18 comprises a first elastic telescopic rod 181, the first elastic telescopic rod 181 is embedded in a cavity at the outer side of the test column 16, a mounting block 182 is fixed at the bottom of the first elastic telescopic rod 181, a cross rod 184 is embedded in the mounting block 182 through a spring 183 in a transverse penetrating manner, and a vibration sensor 185 is fixed at the bottom of the outer end of the cross rod 184; the position adjusting assembly 19 comprises a main toothed roller 191, the main toothed roller 191 is vertically and embedded and rotatably arranged in a test column 16, the main toothed roller 191 is meshed with a rack area at the inner end of a cross rod 184, the bottom of the main toothed roller 191 is connected with a first auxiliary toothed roller 1911, one side of the first auxiliary toothed roller 1911 is meshed with a first transverse piston rod 1912, the first transverse piston rod 1912 is arranged in a first oil cavity 1913, the first oil cavity 1913 is embedded and arranged in the test column 16, the bottom of the first oil cavity 1913 is connected with a first vertical piston rod 1915 through a second spring 1914, an abutting rod 1916 is arranged below the part of the bottom of the first vertical piston rod 1915 extending out of the test column 16, the abutting rod 1916 is vertically and slidably arranged in a cavity at the center of the top of a placing seat 2, the abutting rod 1916 is sleeved on a third screw rod 1917 in a threaded manner, the third screw rod 1917 is connected with a knob 31, the main tooth roller 191 is connected with a second sub tooth roller 1918, one side of the second sub tooth roller 1918 is meshed with a second transverse piston rod 1919, the second transverse piston rod 1919 is arranged in a second oil cavity 1920, the second oil cavity 1920 is arranged in the test column 16, the top of the second oil cavity 1920 is connected with a second vertical piston rod 1922 through a third spring 1921, a third vertical piston rod 1923 is arranged above the part, extending out of the test column 16, of the top of the second vertical piston rod 1922, the bottom protruding position of the third vertical piston rod 1923 is arranged at the bottom of the clamping table 8 through a second elastic telescopic rod 1924, the top of the third vertical piston rod 1923 is arranged in a third oil cavity 1925 in a sliding manner, the third oil cavity 1925 is arranged in the clamping table 8, the top of the third oil cavity 1925 is provided with a third transverse piston rod 1926 in a sliding manner, the outer end of the third transverse piston rod 1926 is provided with a bump 1927 in contact manner, and the boss 1927 is fixed to the inner wall of the ring gear 91; the cross bar 184 vertically slides on the main gear roller 191 in a contact way, and the height of a rack area at the inner end of the cross bar 184 is larger than the height of a meshing area on the main gear roller 191; the first oil cavity 1913, the second oil cavity 1920 and the third oil cavity 1925 are all arranged in an L-shaped structure, and the trend of the first oil cavity 1913 and the trend of the second oil cavity 1920 are arranged in a mirror image; the bump 1927 is designed into an arc structure, and the cross-sectional area of the third oil cavity 1925 where the third transverse piston rod 1926 at one end of the bump 1927 is located is larger than the cross-sectional area of the third oil cavity 1925 where the third vertical piston rod 1923 is located;
Through the position adjusting component 19 and the testing component 18, the inner ring and the outer ring of the bearing to be tested can be subjected to step-by-step dynamic balance test, and meanwhile, the device can be suitable for the bearings to be tested with different specifications.
Working principle: when the multifunctional test stand for ship performance test is used, as shown in fig. 1-8, firstly, the placing stand 5 is rotated according to the thickness of a bearing to be tested, the height of the placing stand 5 can be adjusted through the threaded connection of the mounting cylinder 4 and the placing seat 2, so that when the bearing to be tested is placed on the placing stand 5, the top of the inner supporting rod 34 is slightly lower than the top of the bearing to be tested, then, according to the inner diameter and the outer diameter of a batch of the bearing to be tested, the knob 31 is rotated firstly, the knob 31 drives the first screw rod 32 to rotate, the plurality of inner supporting rods 34 can be driven to slide in the first movable groove 33, the bearing to be tested can be positioned and fixed from the inside when the bearing to be tested is pressed on the placing stand 5 through the rubber pad 941 on the inner supporting rod 34, then, the toothed ring 91 is driven to rotate through the extending rod piece on the toothed ring 91, the toothed ring 91 drives the second screw rod 92, the outer clamping rod 94 can be driven to slide in the second movable groove 93, the outer ring of the bearing to be tested is clamped and fixed when the bearing is moved downwards through the rubber pad 941 on the outer clamping rod 94, after adjustment, the bearing to be tested is placed on the placing table 5, the bearing to be tested is positioned and supported through the rubber pad 941 on the inner supporting rod 34, then the mounting sleeve 7 is driven to move downwards through the first hydraulic rod 6, the inner supporting rod 34 on the clamping table 8 is fixed on the outer ring of the bearing to be tested, then the mounting seat 12 is driven to move downwards through the second hydraulic rod 11, the test column 16 is driven to move downwards and enter the middle cavity of the placing seat 2, the butt joint block 17 below the test column 16 is inserted into the corresponding position of the middle cavity inner wall of the placing seat 2, at the moment, the butt joint block 17 above the test column 16 is not contacted with the clamping table 8, and the motor 13 can drive the placing seat 2 to rotate through the test column 16 when the gear 14 drives the tooth sleeve 15 to rotate, the inner ring of the bearing to be tested is driven to rotate through the inner supporting rod 34, then the second hydraulic rod 11 drives the mounting seat 12 to move upwards, the butt joint block 17 above the test column 16 is inserted into the corresponding position of the inner wall of the cavity at the bottom of the clamping table 8, at this time, the motor 13 rotates, the clamping table 8 can be driven to rotate through the butt joint block 17, the outer ring of the bearing to be tested is driven to rotate through the outer clamping rod 94, and the bearing is comprehensively tested through the stepwise rotation of the outer ring and the inner ring;
When the position of the inner supporting rod 34 is adjusted, the knob 31 can rotate to drive the third screw rod 1917 to rotate, and then drive the abutting rod 1916 to vertically move, so that the abutting rod 1916 corresponds to the position of the inner supporting rod 34, when the bottom of the test column 16 enters the cavity at the center of the top of the placement seat 2, the first vertical piston rod 1915 contacts with the abutting rod 1916, the first transverse piston rod 1912 is driven to transversely move through the first oil cavity 1913, and then the first auxiliary tooth roller 1911 and the main tooth roller 191 are driven to rotate, the cross rod 184 is driven to move outwards through the meshing of the main tooth roller 191 and the cross rod 184, the position of the vibration sensor 185 is adjusted, so that the bottom of the vibration sensor 185 is attached to the top of the inner ring of the bearing to be tested, and then when the bearing to be tested is driven to rotate, the vibration sensor 185 always contacts with the inner ring of the bearing to be tested, the inner ring is tested, and when the outer ring of the bearing to be tested is tested, the test column 16 moves upwards, so that the first vertical piston rod 1915 resets under the action of the second spring 1914, and then the transverse rod 184 and the first spring 183 reset under the action of the first elastic telescopic rod 181, meanwhile, under the action of the first elastic telescopic rod 181, the mounting block 182 and the transverse rod 184 move downwards to reset, so that the vibration sensor 185 on the transverse rod 184 can keep a relative position with the top of the bearing to be tested, then the second vertical piston rod 1922 and the third vertical piston rod 1923 are contacted, the second vertical piston rod 1922 is forced to press the second transverse piston rod 1919 by matching with the second oil cavity 1920, the second secondary tooth roller 1918 and the main tooth roller 191 are driven to rotate, the transverse rod 184 is pushed again to move, so that the vibration sensor 185 contacts with the top of the bearing to be tested, the rotation of the toothed ring 91 can adjust the position of the third transverse piston rod 1926 through the bump 1927 when adjusting the position of the outer clamping rod 94, the third vertical piston rod 1923 is enabled to adjust the position under the action of the second elastic telescopic rod 1924, the position of the third vertical piston rod 1923 corresponds to the position of the outer clamping rod 94, when the position of the cross rod 184 is adjusted through the third vertical piston rod 1923, the vibration sensor 185 can correspond to the position of the outer clamping rod 94, the vibration sensor 185 can be in contact with the top of the bearing outer ring to be tested at the moment, when the bearing outer ring to be tested is driven to rotate, the vibration sensor 185 can be used for carrying out dynamic balance detection on the outer ring of the bearing outer ring to be tested, rack structures are arranged at the inner ends of the first transverse piston rod 1912 and the second transverse piston rod 1919, the first auxiliary tooth roller 1911 and the second auxiliary tooth roller 1918 can be driven to rotate through the rack structures, the electric wires of the vibration sensor 185 can be installed in a connecting mode from the inner center of the test column 16 to the center of the support 10, and the vibration sensor 185 can be used for carrying out rotation test following the bearing, and meanwhile, the walking problem of the vibration sensor 185 cannot be affected.
What has not been described in detail in this specification is prior art that is well known to those skilled in the art, and in the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The multifunctional test bed for ship performance test comprises a bed body (1), wherein a placing seat (2) is arranged in a cavity at the top of the bed body (1) through a bearing, an inner supporting structure (3) is arranged on the placing seat (2), and the inner supporting structure (3) is used for supporting a bearing to be tested of a ship from inside;
The method is characterized in that: the test device is characterized by further comprising a mounting cylinder (4), wherein the mounting cylinder (4) is vertically embedded in a threaded manner to rotate and mounted at the top of the placement seat (2), a placement table (5) is fixedly arranged at the top of the mounting cylinder (4), a mounting sleeve (7) is connected to the top of the table body (1) through a first hydraulic rod (6), a clamping table (8) is connected to the mounting sleeve (7) through a bearing, the clamping table (8) is positioned above the placement seat (2), an outer clamping mechanism (9) is arranged in the clamping table (8), the outer clamping mechanism (9) is used for clamping a bearing to be tested from the outside, a support (10) is fixedly arranged at the top edge of the table body (1), a mounting seat (12) is fixedly arranged at the inner side of the top of the support (10) through a second hydraulic rod (11), a motor (13) is fixedly arranged in the mounting seat (12), a gear (14) is connected to the output end of the motor (13), a toothed sleeve (15) is meshed to the outer side of the gear (14), the toothed sleeve (15) is sleeved on the testing column (16), the toothed sleeve is sleeved on the testing column (16), the testing column (16) is fixedly arranged at the bottom of the middle of the testing column (16) and penetrates through the top of the testing seat (16) and is positioned at the bottom of the middle of the testing seat (16), the upper and lower parts of the lower half part area of the test column (16) are circumferentially fixed with a butt joint block (17), and the butt joint block (17) is mutually clamped with the concave parts of the corresponding positions of the clamping table (8) and the placing seat (2);
The test assembly (18) is arranged on the side edge of the lower half area of the test column (16), and the test assembly (18) is used for detecting vibration of the inner area and the outer area of the bearing to be tested;
The position adjusting assembly (19), the position adjusting assembly (19) is arranged in the placing seat (2), the testing column (16) and the clamping table (8), and the position adjusting assembly (19) is used for adjusting the positions of the inner detection area and the outer detection area according to the position of the bearing to be tested.
2. A multifunctional test stand for testing ship performance according to claim 1, characterized in that: the inner support structure (3) comprises a knob (31), the knob (31) is arranged at the bottom of the table body (1), the top of the knob (31) is positioned in the placement seat (2) and is connected with a first screw (32) which is transversely distributed through a bevel gear group, the first screw (32) is rotatably arranged in a first movable groove (33), the first movable groove (33) is formed in the top of the placement seat (2), and an inner support rod (34) is sleeved on the first screw (32) through threads.
3. A multifunctional test stand for testing ship performance according to claim 2, characterized in that: the outer clamping mechanism (9) comprises a toothed ring (91), the toothed ring (91) is embedded to rotate and installed in the clamping table (8), a second screw rod (92) which is transversely distributed is connected to the bottom of the toothed ring (91) through bevel gears, the second screw rod (92) is rotatably installed in a second movable groove (93), the second movable groove (93) is formed in the bottom of the clamping table (8), and an outer clamping rod (94) is sleeved on the second screw rod (92) through threads.
4. A multifunctional test stand for testing ship performance according to claim 3, characterized in that: the inner support rod (34) and the outer clamping rod (94) are respectively in fit sliding in the first movable groove (33) and the second movable groove (93), the inner support rod (34) and the outer clamping rod (94) are respectively distributed at equal angles on the placing seat (2) and the clamping table (8), rubber pads (941) are respectively fixed on the outer side of the top of the inner support rod (34) and the inner side of the bottom of the outer clamping rod (94), and the rubber pads (941) on the inner support rod (34) and the outer clamping rod (94) are designed into right trapezoid structures which are distributed relatively.
5. The multifunctional test stand for ship performance testing according to claim 4, wherein: the butt joint blocks (17) are vertically clamped with the concave parts of the corresponding positions of the clamping table (8) and the placing seat (2), and the upper butt joint blocks (17) and the lower butt joint blocks (17) are alternately clamped with the clamping table (8) and the placing seat (2).
6. The multifunctional test stand for ship performance testing according to claim 5, wherein: the testing assembly (18) comprises a first elastic telescopic rod (181), the first elastic telescopic rod (181) is embedded in a cavity on the outer side of the testing column (16), a mounting block (182) is fixed at the bottom of the first elastic telescopic rod (181), a cross rod (184) is embedded in the mounting block (182) through a first spring (183) in a transverse penetrating mode, and a vibration sensor (185) is fixed at the bottom of the outer end of the cross rod (184).
7. The multifunctional test stand for ship performance testing according to claim 6, wherein: the position adjusting assembly (19) comprises a main toothed roller (191), the main toothed roller (191) is vertically embedded and rotatably arranged in a test column (16), the main toothed roller (191) is meshed with a rack area at the inner end of a cross rod (184), a first auxiliary toothed roller (1911) is connected to the bottom of the main toothed roller (191), one side of the first auxiliary toothed roller (1911) is meshed with a first transverse piston rod (1912), the first transverse piston rod (1912) is arranged in a first auxiliary oil cavity (1913), the first oil cavity (1913) is embedded and arranged in the test column (16), the bottom of the first oil cavity (1913) is connected with a first vertical piston rod (1915) through a spring second (1914), a contact rod (1916) is arranged below the part of the bottom of the first vertical piston rod (1915) extending out of the test column (16), the contact rod (1916) is vertically slidably arranged in a cavity at the center of the top of the placement seat (2), the contact rod (1916) is sleeved with a third screw (1917) and is connected with a second transverse toothed roller (1918) through a spring second (1914), the second threaded rod (1918) is connected with a third threaded rod (1918) and is meshed with a second threaded roller (1918), and second fluid chamber (1920) are seted up in test post (16), the top in second fluid chamber (1920) is connected with second vertical piston rod (1922) through spring three (1921), and the top that test post (16) part was stretched out at second vertical piston rod (1922) top is provided with third vertical piston rod (1923), the bottom protruding position department of third vertical piston rod (1923) is installed in the bottom of pressing from both sides tight platform (8) through second elastic expansion link (1924), and the top slip setting in third fluid chamber (1925) of third vertical piston rod (1923), and third fluid chamber (1925) are seted up in pressing from both sides tight platform (8), the top slip in third fluid chamber (1925) is provided with third horizontal piston rod (1926), and the outer end contact of third horizontal piston rod (1926) is provided with lug (1927), and lug (1927) are fixed on the inner wall of ring (91).
8. The multifunctional test stand for ship performance testing according to claim 7, wherein: the cross rod (184) vertically slides on the main tooth roller (191) in a contact way, and the height of a rack area at the inner end of the cross rod (184) is larger than the height of a meshing area on the main tooth roller (191).
9. The multifunctional test stand for ship performance testing according to claim 8, wherein: the first oil cavity (1913), the second oil cavity (1920) and the third oil cavity (1925) are all arranged to be of an L-shaped structure, and the trend mirror images of the first oil cavity (1913) and the second oil cavity (1920) are arranged.
10. The multifunctional test stand for ship performance testing according to claim 9, wherein: the protruding block (1927) is designed to be of an arc-shaped structure, and the cross-sectional area of a third oil cavity (1925) where a third transverse piston rod (1926) at one end of the protruding block (1927) is located is larger than the cross-sectional area of a third oil cavity (1925) where a third vertical piston rod (1923) is located.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410444141.6A CN118050171A (en) | 2024-04-15 | 2024-04-15 | Multifunctional test bed for ship performance test |
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| CN202410444141.6A CN118050171A (en) | 2024-04-15 | 2024-04-15 | Multifunctional test bed for ship performance test |
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