CN213985517U

CN213985517U - Gravity center measuring device of rigid component

Info

Publication number: CN213985517U
Application number: CN202023007757.3U
Authority: CN
Inventors: 胡劲; 冯玲洁
Original assignee: Wuhan Jingyicheng Testing Technology Co ltd
Current assignee: Wuhan Jingyicheng Testing Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-17
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a focus measuring device of rigidity part, including the bearing board, the spout has been seted up at the top of bearing board, the inner wall sliding connection of spout has range unit, range unit's inside is including the movable table, the bottom of movable table and the inner wall sliding connection of spout, the one end fixed mounting of movable table has laser range finder, the mounting groove has been seted up to the outer wall of movable table, the inside of mounting groove is provided with the spirit level, the both ends of spirit level and the inner wall fixed connection of mounting groove, the outer wall fixed mounting of movable table has the mount pad, the one end of column spinner and the inner wall swing joint of mount pad. The distance between the measured piece and the laser range finder is convenient for accurate measurement through the laser range finder, and the angle between regulation movable rod and the column spinner drives the push-assist rod and promotes the measured piece and remove, is convenient for measure the position of the measured piece once more, does not need manual operation, reduces the operating error.

Description

Gravity center measuring device of rigid component

Technical Field

The utility model belongs to the technical field of the focus is measured, concretely relates to rigidity part's focus measuring device.

Background

Gravity is applied to each position of the object, but this is not conducive to force analysis. Therefore, the effect of all the gravity forces is combined to form a force which is equivalent to the resultant force of all the gravity forces and acts on a certain point. The point of action of this force is the center of gravity. For an object with a uniformly distributed mass (homogeneous object), the position of the center of gravity is only dependent on the shape of the object. The position of the center of gravity of an object with uneven mass distribution is related to the distribution of mass in the object besides the shape of the object. For object devices with irregular or uneven mass distribution, the position of the center of gravity can be measured experimentally.

When the gravity center of an object is measured by using a weighing method, an experimental device often has errors, the accuracy of gravity center measurement is influenced, and the experimental result is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a barycenter measuring device of rigid part to propose current barycenter measuring device in solving above-mentioned background art in the use, because experimental apparatus often can the error, influence the measuring accuracy of focus, thereby cause the unsafe problem of experimental result.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a focus measuring device of rigid component, includes the bearing board, the spout has been seted up at the top of bearing board, the inner wall sliding connection of spout has range unit, range unit's inside includes the movable table, the bottom of movable table and the inner wall sliding connection of spout, the one end fixed mounting of movable table has laser range finder, the mounting groove has been seted up to the outer wall of movable table, the inside of mounting groove is provided with the spirit level, the both ends of spirit level and the inner wall fixed connection of mounting groove.

Preferably, the outer wall fixed mounting of movable table has the mount pad, the inside of mount pad is provided with the column spinner, the one end of column spinner and the inner wall swing joint of mount pad, the one end that the mount pad was kept away from to the column spinner is provided with the movable rod, the one end of movable rod and the inner wall swing joint of column spinner, the other end fixed mounting of movable rod helps the post.

Preferably, the top of the bearing plate is movably provided with a measured piece, one end of the bearing plate is fixedly provided with a right mounting column, the bottom of the right mounting column is provided with a first counterweight table, the top of the first counterweight table is fixedly connected with the bottom of the right mounting column, and the bottom of the first counterweight table is fixedly connected with a first cushion pad.

Preferably, the inside of bearing board is provided with the connecting axle, the outer wall of connecting axle and the inner wall fixed connection of bearing board, the both ends of connecting axle are provided with the sideboard, the inner wall of sideboard and the both ends swing joint of connecting axle, the bottom fixedly connected with base of sideboard.

Preferably, the inner wall fixed mounting of bearing board has left erection column, the bottom of left side erection column is provided with counterweight platform two, the top of counterweight platform two and the bottom fixed connection of left erection column.

Preferably, the inner wall of the second counterweight table is movably provided with an adjusting block, and the bottom of the second counterweight table is fixedly connected with a second cushion pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the distance between a measured piece and the laser range finder is convenient for accurate measurement through the laser range finder, when being measured a position, can in time measure the position of being measured, the laser range finder measures accurately, can reduce measuring error, can calibrate the bearing board level through the spirit level, adjust range unit's position through the spout, through the laser range finder measure by the perpendicular distance between a measured piece and the laser range finder, the calculation of the moment relation of being convenient for.

2. The push-aid rod is driven to push the tested piece to move by adjusting the angle between the movable rod and the rotary column, so that the position of the tested piece can be measured again conveniently, manual operation is not needed, operation errors are reduced, two gravity center positions before and after the position of the tested piece is changed can be measured according to the gravity center of the moment relation, two gravity center measurement values are measured to be compared, the measurement accuracy is improved, and errors are reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the front structure of the distance measuring device of the present invention;

fig. 4 is a schematic diagram of the back structure of the distance measuring device of the present invention.

In the figure: 1. a support plate; 2. a chute; 3. a distance measuring device; 301. a movable table; 302. a laser range finder; 303. a mounting seat; 304. a spin column; 305. a movable rod; 306. a boosting column; 307. a level gauge; 4. a measured piece; 5. a right mounting post; 6. a first counterweight table; 7. a first buffer pad; 8. a connecting shaft; 9. a side plate; 10. a base; 11. a left mounting post; 12. a second counterweight table; 13. an adjusting block; 14. and a second cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a gravity center measuring device of rigid part, including bearing board 1, spout 2 has been seted up at the top of bearing board 1, the inner wall sliding connection of spout 2 has range unit 3, range unit 3's inside is including activity platform 301, the bottom of activity platform 301 and the inner wall sliding connection of spout 2, the one end fixed mounting of activity platform 301 has laser range finder 302, the mounting groove has been seted up to the outer wall of activity platform 301, the inside of mounting groove is provided with spirit level 307, the both ends of spirit level 307 and the inner wall fixed connection of mounting groove.

In this embodiment, be convenient for accurate measurement through laser range finder 302 and be surveyed the distance between 4 and the laser range finder 302, when being surveyed 4 positions, can in time measure the position of being surveyed 4, laser range finder 302 measures accurately, can reduce measuring error, can calibrate bearing plate 1 level through spirit level 307, adjust range unit 3's position through spout 2, measure the perpendicular distance between being surveyed 4 and the laser range finder 302 through laser range finder 302, be convenient for the calculation of moment relation.

Specifically, the outer wall fixed mounting of movable table 301 has mount pad 303, and the inside of mount pad 303 is provided with column spinner 304, the one end of column spinner 304 and the inner wall swing joint of mount pad 303, and the one end that the mount pad 303 was kept away from to column spinner 304 is provided with movable rod 305, the one end of movable rod 305 and the inner wall swing joint of column spinner 304, the other end fixed mounting of movable rod 305 helps and pushes away post 306.

In this embodiment, rotate in mount pad 303 through column spinner 304, drive movable rod 305 and boosting post 306 and remove, adjust the angle between movable rod 305 and the column spinner 304 and drive the boosting pole and promote measured 4 and remove, be convenient for remeasure the position of measured 4, and the relative distance that the accurate measurement changed, just can measure two focus positions before and after being measured 4 position changes according to moment relation focus, will survey two focus measured values and compare, just improve measuring degree of accuracy, reduce the error.

Specifically, the top movable mounting of bearing board 1 has by survey 4, and the one end fixed mounting of bearing board 1 has right erection column 5, and the bottom of right erection column 5 is provided with counter weight platform 6, and the bottom fixed connection of the top of counter weight platform 6 and right erection column 5, the bottom fixedly connected with blotter 7 of counter weight platform 6.

In this embodiment, can place the weight in counter weight platform 6 and adjust the balance of bearing board 1, right erection column 5 plays the effect of connection fixed, and blotter 7 plays the effect of buffering.

Specifically, the inside of bearing board 1 is provided with connecting axle 8, the outer wall of connecting axle 8 and the inner wall fixed connection of bearing board 1, and the both ends of connecting axle 8 are provided with sideboard 9, and the inner wall of sideboard 9 and the both ends swing joint of connecting axle 8, the bottom fixedly connected with base 10 of sideboard 9.

In this embodiment, the connecting shaft 8 is supported by the side plate 9, the connecting shaft 8 can rotate inside the side plate 9, and the bearing plate 1 can keep balance by the connecting shaft 8.

Specifically, a left mounting column 11 is fixedly mounted on the inner wall of the supporting plate 1, a second counterweight table 12 is arranged at the bottom of the left mounting column 11, and the top of the second counterweight table 12 is fixedly connected with the bottom of the left mounting column 11.

In this embodiment, the left mounting post 11 is connected to and fixed to the second counterweight table 12.

Specifically, an adjusting block 13 is movably mounted on the inner wall of the second counter weight table 12, and a second cushion pad 14 is fixedly connected to the bottom of the second counter weight table 12.

In this embodiment, the balance of the supporting plate 1 can be adjusted by the adjusting block 13, and the second cushion pad 14 can be made of rubber and can play a role of cushioning.

The utility model discloses a theory of operation and use flow: when the device is used and not used, the bearing plate 1 can be kept balanced through the connecting shaft 8, the level of the bearing plate 1 can be calibrated through the level meter 307, the measured piece 4 with the mass m is placed on the bearing plate 1, the position of the distance measuring device 3 is adjusted through the sliding chute 2, the vertical distance between the measured piece 4 and the laser distance meter 302 is measured through the laser distance meter 302, and the distance is recorded as L3; the vertical distance from the laser distance meter 302 to the center of the bearing plate 1 is marked as L2; the perpendicular distance of bearing board 1 center to left erection column 11 center is recorded as L1, measured piece 4 is put on bearing board 1 back, counter weight platform 6 descends, drive blotter 7 and remove on base 10, place the regulating block 13 that the quality is M on counter weight platform two 12, make bearing board 1 balanced once more, through the moment relation, be convenient for record the barycenter position of measured piece 4, the distance of recording measured piece 4 focus to measured piece 4 outer wall is L, can obtain according to the moment relation: m × L1 ═ M (L2-L3-L); the position of the gravity center of the measured piece 4 can be obtained by obtaining L2-L3- (M L1)/M, the measured piece 4 can be accurately measured by the laser distance meter 302, the measurement error is reduced, the rotating column 304 rotates in the mounting seat 303 to drive the movable rod 305 and the boosting column 306 to move, the angle between the movable rod 305 and the rotating column 304 is adjusted to drive the boosting rod to push the measured piece 4 to move, the position of the measured piece 4 can be measured again conveniently, the changed relative distance is accurately measured, two gravity center positions before and after the position of the measured piece 4 is changed can be measured according to the gravity center of the moment relation, the two measured gravity center values are compared, the measurement accuracy is improved, and the error is reduced.

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. A device for measuring the center of gravity of a rigid member, comprising a support plate (1), characterized in that: spout (2) have been seted up at the top of bearing board (1), the inner wall sliding connection of spout (2) has range unit (3), the inside of range unit (3) is including activity platform (301), the bottom of activity platform (301) and the inner wall sliding connection of spout (2), the one end fixed mounting of activity platform (301) has laser range finder (302), the mounting groove has been seted up to the outer wall of activity platform (301), the inside of mounting groove is provided with spirit level (307), the both ends of spirit level (307) and the inner wall fixed connection of mounting groove.

2. A device for measuring the center of gravity of a rigid member according to claim 1, wherein: the outer wall fixed mounting of activity platform (301) has mount pad (303), the inside of mount pad (303) is provided with column spinner (304), the inner wall swing joint of the one end of column spinner (304) and mount pad (303), the one end that mount pad (303) were kept away from in column spinner (304) is provided with movable rod (305), the inner wall swing joint of the one end of movable rod (305) and column spinner (304), the other end fixed mounting of movable rod (305) helps and pushes away post (306).

3. A device for measuring the center of gravity of a rigid member according to claim 1, wherein: the top movable mounting of bearing board (1) has by survey piece (4), the one end fixed mounting of bearing board (1) has right erection column (5), the bottom of right erection column (5) is provided with counter weight platform (6), the top of counter weight platform (6) and the bottom fixed connection of right erection column (5), the bottom fixedly connected with blotter (7) of counter weight platform (6).

4. A device for measuring the center of gravity of a rigid member according to claim 1, wherein: the inside of bearing board (1) is provided with connecting axle (8), the outer wall of connecting axle (8) and the inner wall fixed connection of bearing board (1), the both ends of connecting axle (8) are provided with sideboard (9), the inner wall of sideboard (9) and the both ends swing joint of connecting axle (8), the bottom fixedly connected with base (10) of sideboard (9).

5. A device for measuring the center of gravity of a rigid member according to claim 1, wherein: the inner wall fixed mounting of bearing board (1) has left erection column (11), the bottom of left side erection column (11) is provided with counterweight platform two (12), the top of counterweight platform two (12) and the bottom fixed connection of left erection column (11).

6. The apparatus for measuring the center of gravity of a rigid member according to claim 5, wherein: the inner wall of the second counterweight table (12) is movably provided with an adjusting block (13), and the bottom of the second counterweight table (12) is fixedly connected with a second cushion pad (14).