CN108827535B - Center of mass test bench - Google Patents
Center of mass test bench Download PDFInfo
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- CN108827535B CN108827535B CN201811121406.XA CN201811121406A CN108827535B CN 108827535 B CN108827535 B CN 108827535B CN 201811121406 A CN201811121406 A CN 201811121406A CN 108827535 B CN108827535 B CN 108827535B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
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Abstract
The invention discloses a center of mass test bed which comprises a base, wherein an inclined plate is connected to the upper surface of the base through a shaft, a pulling plate is fixedly connected to one side of the inclined plate, a lantern ring is welded to the upper surface of the pulling plate, a supporting plate is fixedly connected to one side of the upper surface of the base through a support, a brake motor is fixedly connected to the lower end of the supporting plate, a rotating shaft is arranged at the port of the brake motor, a wire spool is fixedly sleeved on the surface of the rotating shaft, and a steel wire rope is wound on the surface of the wire spool. This barycenter test bench can lift up the hang plate, realizes the slope of certain angle to at the slope in-process, carry out contrast test to the barycenter and the focus position of experimental object, splint can the round trip movement, adjust according to the width of experimental object, and realize the centre gripping, guarantee the stability of experimental object when the slope, prevent that it from sideslipping.
Description
Technical Field
The invention relates to the technical field of centroid test beds, in particular to a centroid test bed.
Background
The center of mass, simply the centroid, refers to an imaginary point on the matter system where the mass is considered to be centered. Unlike the center of gravity, the center of mass does not have to be in a system with a gravitational field, while the center of mass and the center of gravity of the same matter system are usually not on the same imaginary point unless the gravitational field is uniform.
In order to carry out the test to the barycenter position of experimental object, can lift by crane the experimental object usually, through the slope of experimental object when lifting by crane, accomplish the reference test of barycenter position and barycenter position, but because the bodily form of experimental object is different, such as the experimental object that inconvenient unilateral was lifted by crane such as spheroid or irregular object, need carry out the experiment contrast through the mode that heels to when heeling, need guarantee the stability of experimental object.
Disclosure of Invention
The objective of the present invention is to provide a center of mass test stand to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a matter center test bench, includes the base, the upper surface of base has the hang plate through the hub connection, one side fixedly connected with arm-tie of hang plate, the last surface welding of arm-tie has the lantern ring, and support fixedly connected with backup pad is passed through to upper surface one side of base, the lower extreme fixedly connected with brake motor of backup pad, brake motor's port position is equipped with the pivot, the fixed cover in surface of pivot has connect the wire reel, the surface winding of wire reel has wire rope, wire rope's one end fixed connection wire reel's surface, wire rope's other end fixedly connected with latch closure, the inboard slip of latch closure cup joints the surface of the lantern ring.
Preferably, the inside of base is equipped with the dashpot, the first spring of inboard fixedly connected with of dashpot, the other end fixedly connected with buffer block of first spring, the inboard of dashpot is cup jointed in the surface slip of buffer block, the lower surface of arm-tie is hugged closely to the upper surface of buffer block.
Preferably, the equal fixedly connected with strake in upper surface both sides of hang plate, the inside of strake is equipped with the through-hole, and the upper surface of hang plate is hugged closely and is had the thing board of putting, puts the inside surface of the both sides sliding connection strake of thing board.
Preferably, the inside of putting the thing board is equipped with built-in hole, puts the inside recess that all is equipped with in both sides of thing board, the inboard fixedly connected with second spring of recess, the other end fixedly connected with bayonet lock of second spring, the inboard of through-hole is cup jointed in the surface slip of bayonet lock.
Preferably, put the first baffle of upper surface one side fixedly connected with of thing board, the inside upper end of first baffle is equipped with the shaft hole, and the inboard rotation in shaft hole is connected with the threaded rod, the one end fixedly connected with knob of threaded rod, the first carousel of the other end fixedly connected with of threaded rod.
Preferably, the other side of the upper surface of the object placing plate is fixedly connected with a second baffle, a first rotating groove is formed in the second baffle, and the surface of the first rotating disc is rotatably connected with the inner side of the first rotating groove.
Preferably, the equal fixedly connected with gag lever post of the inboard lower extreme of first baffle and the inboard lower extreme of second baffle, the surface of gag lever post is equipped with splint, and the inside lower extreme of splint is equipped with spacing hole, and the surface of gag lever post is cup jointed in the inboard slip in spacing hole, and the inside upper end of splint is equipped with the screw hole, the surface of the inboard threaded connection threaded rod of screw hole.
Preferably, the upper end fixedly connected with screw thread seat of splint, the inboard of screw thread seat is equipped with the round bar, and the outside lower extreme of round bar is equipped with the screw thread arch, and the inboard of screw thread arch's surface threaded connection screw thread seat, the outside intermediate position fixed cover of round bar has rotated the cover.
Preferably, the upper end fixedly connected with second carousel of round bar, the upper end of second carousel is equipped with the linkage strip, and the inside lower extreme of linkage strip is equipped with the second and rotates the groove, and the surface of second carousel rotates the inboard of connecting the second and rotating the groove.
Compared with the prior art, the invention has the beneficial effects that: this barycenter test bench can lift up the hang plate, realizes the slope of certain angle to at the slope in-process, carry out contrast test to the barycenter and the focus position of experimental object, splint can the round trip movement, adjust according to the width of experimental object, and realize the centre gripping, guarantee the stability of experimental object when the slope, prevent that it from sideslipping, the pole can play a protection of tumbling simultaneously, when highly higher to the experimental object, improves the stability of experimental object in the test.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at a;
FIG. 3 is a schematic top view of two baffles and cleats of the present invention;
fig. 4 is a schematic structural view of the connecting portion of the round bar according to the present invention.
In the figure: the brake device comprises a base, an 11 inclined plate, a 12 pulling plate, a 13 sleeve ring, a 14 supporting plate, a 15 brake motor, a 16 wire reel, a 17 rotating shaft, an 18 steel wire rope, a 19 buckle, a 110 buffer groove, a 111 first spring, a 112 buffer block, a 2 storage plate, a 21 built-in hole, a 22 edge strip, a 23 through hole, a 24 groove, a 25 second spring, a 26 bayonet, a 3 first baffle, a 31 shaft hole, a 32 knob, a 33 threaded rod, a 34 first rotating disc, a 35 second baffle, a 36 first rotating groove, a 37 limiting rod, a 38 clamping plate, a 39 threaded hole, a 310 limiting hole, a 4 threaded seat, a 41 round rod, a 42 rotating sleeve, a 43 second rotating disc, a 44 second rotating groove, a 45 linkage strip and a 46 threaded protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mass center test bed comprises a base 1, wherein an inclined plate 11 is connected to the upper surface of the base 1 through a shaft, a pulling plate 12 is fixedly connected to one side of the inclined plate 11, a lantern ring 13 is welded to the upper surface of the pulling plate 12, a supporting plate 14 is fixedly connected to one side of the upper surface of the base 1 through a support, a brake motor 15 is fixedly connected to the lower end of the supporting plate 14, the model of the brake motor 15 is 51K120GU-AF, the brake motor is high in performance and long in service life, a brake pad is arranged at the tail of the brake motor and can play a locking effect after power failure, a forward and reverse switch is embedded in a shell of the brake motor 15 and is HY2-15, the forward and reverse switch is connected with the brake motor 15 through a wire in series, the forward and reverse switch is connected with an indoor power socket through a wire in series, a rotating shaft 17 is arranged at a port position of the brake, the surface of the wire winding disc 16 is wound with a steel wire rope 18, one end of the steel wire rope 18 is fixedly connected with the surface of the wire winding disc 16, the other end of the steel wire rope 18 is fixedly connected with a buckle 19, the inner side of the buckle 19 is slidably sleeved on the surface of the lantern ring 13, the interior of the base 1 is provided with a buffer groove 110, the inner side of the buffer groove 110 is fixedly connected with a first spring 111, the other end of the first spring 111 is fixedly connected with a buffer block 112, the surface of the buffer block 112 is slidably sleeved on the inner side of the buffer groove 110, a buffer protection effect can be achieved when the inclined plate 11 is put down, the upper surface of the buffer block 112 is tightly attached to the lower surface of the pull plate 12, both sides of the upper surface of the inclined plate 11 are fixedly connected with edge strips 22, through holes 23 are formed in the edge strips 22, the upper surface of the inclined plate 11 is tightly attached with an object placing plate 2, the test board with a pressure sensor can be inserted into the inner side of the built-in hole 21, a comparison experiment of the centroid position and the gravity center position is carried out through the pressure position change during heeling, grooves 24 are arranged inside two sides of the object placing board 2, a second spring 25 is fixedly connected to the inner side of each groove 24, a bayonet 26 is fixedly connected to the other end of each second spring 25, the surface of each bayonet 26 slides to be sleeved with the inner side of the through hole 23, a first baffle 3 is fixedly connected to one side of the upper surface of the object placing board 2, a shaft hole 31 is formed in the upper end of the inner portion of each first baffle 3, a threaded rod 33 is rotatably connected to the inner side of each shaft hole 31, a knob 32 is fixedly connected to one end of each threaded rod 33, a first rotary disc 34 is fixedly connected to the other end of each threaded rod 33, a second baffle 35 is fixedly connected to the other side of the upper surface of the object placing board 2, the lower end of the inner side of the first baffle 3 and the lower end of the inner side of the second baffle 35 are fixedly connected with a limiting rod 37, the surface of the limiting rod 37 is provided with a clamping plate 38, the clamping plate 38 can horizontally move to block the lower end of an experimental object to play a side-slip prevention effect, the lower end of the inner part of the clamping plate 38 is provided with a limiting hole 310, the surface of the limiting rod 37 is slidably sleeved on the inner side of the limiting hole 310, the upper end of the inner part of the clamping plate 38 is provided with a threaded hole 39, the inner side of the threaded hole 39 is connected with the surface of a threaded rod 33, the upper end of the clamping plate 38 is fixedly connected with a threaded seat 4, the inner side of the threaded seat 4 is provided with a round rod 41, the number of the round rods 41 is a plurality of rods with the same structure, a guardrail form is formed by a plurality of rods to prevent the experimental object from side turning over, the fixed cover 42 that has cup jointed in the outside intermediate position of round bar 41, the upper end fixedly connected with second carousel 43 of round bar 41, the upper end of second carousel 43 is equipped with linkage strip 45, and the inside lower extreme of linkage strip 45 is equipped with second and rotates groove 44, and the surface of second carousel 43 rotates the inboard of connecting second and rotating groove 44, blocks through the health position that round bar 41 can the experimental object, prevents that the experimental object is too high and the condition of turning on one's side appears.
The invention is implemented as follows: when the experimental object needs to be placed, the test board with pressure sensing is inserted into the inner side of the built-in hole 21, the placing board 2 is placed on the upper surface of the inclined board 11, when the position of the clamping pin 26 corresponds to the position of the through hole 23, the clamping pin 26 is bounced into the inner side of the through hole 23 through the compression reset of the second spring 25, the positioning and fixing of the opposite object board 2 are completed, the experimental object is placed on the placing board 2 and placed between the clamping plate 38 and the second baffle plate 35, the threaded rod 33 is rotated by the rotation of the knob 32, the threaded rod 33 is rotated, the first rotating disc 34 is rotated on the inner side of the first rotating groove 36, the rotating stability of the threaded rod 33 is ensured, meanwhile, the clamping plate 38 with the threaded hole 39 moves, the clamping plate 38 slides on the surface of the limiting rod 37 in cooperation with the limiting hole 310, the clamping plate 38 can horizontally move, and adjustment is performed according to the, make the experimental object when heeling, can not sideslip, when needs are installed round bar 41, hold and rotate cover 42, make the inboard of the protruding 46 threaded connection screw thread seat 4 of screw thread of round bar 41 lower extreme, thereby make round bar 41 can be fixed with splint 38, round bar 41 is when rotating, make second carousel 43 rotate at the inboard of second rotating groove 44, linkage strip 45 can be fixed to a plurality of round bar 41 ports, thereby block through a plurality of round bar 41, make the experimental object when the slope, the condition of turning on one's side can not take place, utilize the corotation switch start brake motor 15 of corotation switch at last, make brake motor 15 drive wire reel 16 carry out the receipts line work to wire rope 18, thereby make wire rope 18 pulling hang down tilt plate 11 gradual heeling, carry out the test of barycenter position and focus position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a center of mass test bench, includes base (1), its characterized in that: the upper surface of the base (1) is connected with an inclined plate (11) through a shaft, one side of the inclined plate (11) is fixedly connected with a pulling plate (12), the upper surface of the pulling plate (12) is welded with a lantern ring (13), one side of the upper surface of the base (1) is fixedly connected with a supporting plate (14) through a support, the lower end of the supporting plate (14) is fixedly connected with a brake motor (15), a rotating shaft (17) is arranged at a port of the brake motor (15), a wire spool (16) is fixedly sleeved on the surface of the rotating shaft (17), a steel wire rope (18) is wound on the surface of the wire spool (16), one end of the steel wire rope (18) is fixedly connected with the surface of the wire spool (16), the other end of the steel wire rope (18) is fixedly connected with a ring buckle (19), and the inner side of the ring buckle (19;
both sides of the upper surface of the inclined plate (11) are fixedly connected with edge strips (22), through holes (23) are formed in the edge strips (22), the upper surface of the inclined plate (11) is tightly attached with the object placing plate (2), and both sides of the object placing plate (2) are slidably connected with the inner side surfaces of the edge strips (22);
the article placing plate (2) is internally provided with an internal hole (21), grooves (24) are formed in the two sides of the article placing plate (2), the inner sides of the grooves (24) are fixedly connected with second springs (25), the other ends of the second springs (25) are fixedly connected with clamping pins (26), and the surfaces of the clamping pins (26) are slidably sleeved on the inner sides of the through holes (23);
a buffer groove (110) is formed in the base (1), a first spring (111) is fixedly connected to the inner side of the buffer groove (110), a buffer block (112) is fixedly connected to the other end of the first spring (111), the surface of the buffer block (112) is slidably sleeved on the inner side of the buffer groove (110), and the upper surface of the buffer block (112) is tightly attached to the lower surface of the pull plate (12);
a first baffle (3) is fixedly connected to one side of the upper surface of the object placing plate (2), a shaft hole (31) is formed in the upper end of the interior of the first baffle (3), a threaded rod (33) is rotatably connected to the inner side of the shaft hole (31), a knob (32) is fixedly connected to one end of the threaded rod (33), and a first rotary disc (34) is fixedly connected to the other end of the threaded rod (33);
the other side of the upper surface of the object placing plate (2) is fixedly connected with a second baffle plate (35), a first rotating groove (36) is formed in the second baffle plate (35), and the surface of the first rotating disc (34) is rotatably connected with the inner side of the first rotating groove (36);
the lower end of the inner side of the first baffle plate (3) and the lower end of the inner side of the second baffle plate (35) are fixedly connected with a limiting rod (37), a clamping plate (38) is arranged on the surface of the limiting rod (37), a limiting hole (310) is arranged at the lower end of the inner part of the clamping plate (38), the surface of the limiting rod (37) is sleeved on the inner side of the limiting hole (310) in a sliding mode, a threaded hole (39) is arranged at the upper end of the inner part of the clamping plate (38), and the inner side of the threaded hole (39) is in threaded connection with;
the upper end of the clamping plate (38) is fixedly connected with a threaded seat (4), a round rod (41) is arranged on the inner side of the threaded seat (4), a threaded bulge (46) is arranged at the lower end of the outer side of the round rod (41), the surface of the threaded bulge (46) is in threaded connection with the inner side of the threaded seat (4), and a rotating sleeve (42) is fixedly sleeved at the middle position of the outer side of the round rod (41);
the upper end fixedly connected with second carousel (43) of round bar (41), the upper end of second carousel (43) is equipped with linkage strip (45), and the inside lower extreme of linkage strip (45) is equipped with second and rotates groove (44), and the surface of second carousel (43) rotates the inboard of connecting second and rotating groove (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121406.XA CN108827535B (en) | 2018-09-26 | 2018-09-26 | Center of mass test bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121406.XA CN108827535B (en) | 2018-09-26 | 2018-09-26 | Center of mass test bench |
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| CN108827535A CN108827535A (en) | 2018-11-16 |
| CN108827535B true CN108827535B (en) | 2021-01-01 |
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| CN201811121406.XA Active CN108827535B (en) | 2018-09-26 | 2018-09-26 | Center of mass test bench |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813495B (en) * | 2019-03-15 | 2020-10-30 | 北京京城新能源（酒泉）装备有限公司 | Mass center deflection angle measuring device for generator quality qualification inspection |
| CN110132489B (en) * | 2019-06-26 | 2020-11-03 | 长春理工大学 | Centroid measuring instrument |
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| CN108827535A (en) | 2018-11-16 |
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Effective date of registration: 20230105 Address after: No. 4555 Kunshan Road, Changchun Economic Development Zone, Jilin Province Patentee after: Changchun Jianzhen Precision Machinery Manufacturing Co.,Ltd. Address before: 130022 science and technology building, South District, Changchun University of technology, 7186 Weixing Road, Changchun City, Jilin Province Patentee before: CHANGCHUN University OF SCIENCE AND TECHNOLOGY |
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Denomination of invention: A type of center of mass test bench Effective date of registration: 20230717 Granted publication date: 20210101 Pledgee: Jilin Bank Co.,Ltd. Changchun Science and Technology Sub branch Pledgor: Changchun Jianzhen Precision Machinery Manufacturing Co.,Ltd. Registration number: Y2023220000055 |
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