CN212409960U

CN212409960U - Gravity center measuring device based on scanning

Info

Publication number: CN212409960U
Application number: CN202021800617.9U
Authority: CN
Inventors: 王茜; 黎振; 武永强; 陈鹏; 王鑫
Original assignee: Tianjin University of Technology and Education China Vocational Training Instructor Training Center
Current assignee: Tianjin University of Technology and Education China Vocational Training Instructor Training Center
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-26
Anticipated expiration: 2030-08-25

Abstract

The utility model provides a focus measuring device based on scanning, includes the base, is provided with the vertical direction that can carry out the vertical direction and adjusts and indulges supporting mechanism on the base, indulges supporting mechanism's top and is connected with the one end that can carry out the horizontal direction horizontal slide bar that adjusts, and the other end of horizontal slide bar is connected with the standard club of perpendicular setting through the couple, and the last integrative spheroid that is used for gathering measured data that has more than 2 of being formed with of standard club, and the lower extreme of standard club passes through universal connector and connects the measured work piece. The invention can be used for the gravity centers of objects with various shapes and sizes, including but not limited to unmanned aerial vehicle models, dummy models, ship bodies, aeromodelling and the like. For the ultra-large product, a crane can be used for hoisting, and then a long-distance scanner is used for measuring to obtain the barycentric coordinates of the measured object. The utility model discloses have fine commonality, strong adaptability, easy operation are reliable, measuring speed is fast, and is with low costs, measurement accuracy is high, can satisfy the focus measurement demand that complicated mechanism, complicated material constitute the product.

Description

Gravity center measuring device based on scanning

Technical Field

The utility model relates to a focus measuring device. In particular to a gravity center measuring device based on scanning.

Background

In many occasions such as aircrafts, ships, test dummy and the like, the gravity center of the aircraft, the ships, the test dummy and the like needs to be obtained so as to detect whether the actual gravity center position is the gravity center position of the composite design. If not, the gravity center position needs to be adjusted by means of counterweights and the like, and the deviation is ensured to be within an allowable range. According to a traditional gravity center measuring method, a special clamp needs to be customized according to a measured object, a plurality of sets of clamps are needed in one measuring process, weighing or displacement sensors are needed, the measuring process is very complicated, the precision is low, and the universality is poor. The patent (201910259540.4) introduces a gravity center measuring device for measuring a test dummy, and the clamp has a complex structure, needs to be adjusted for many times and has no universality. Patent (201822273860.9) discloses a gravity center measuring device of a target drone, which needs a plurality of sets of clamps, can only be used for measuring with a certain model, and has low measuring precision.

Disclosure of Invention

The utility model aims to solve the technical problem that a focus measuring device based on scanning that has fine commonality, and measuring speed is fast, the precision is high is provided.

The utility model adopts the technical proposal that: the utility model provides a focus measuring device based on scanning, includes the base, the base on be provided with the vertical direction that can carry out the vertical direction and adjust supporting mechanism, the top of indulging supporting mechanism is connected with the one end that can carry out the horizontal direction horizontal slide bar that adjusts, the other end of horizontal slide bar is connected with the standard club of perpendicular setting through the couple, the last integrative spheroid that is used for gathering measured data that has more than 2 of being formed with of standard club, the lower extreme of standard club passes through universal connector and connects the measured work piece.

The utility model discloses a focus measuring device based on scanning, measurement accuracy can reach within 0.2mm or even higher, has fine commonality, and measuring speed is fast, has saved a large amount of costs. The utility model discloses can be used for the focus of various shapes, big or small object, including but not limited to unmanned aerial vehicle model, dummy model, hull, model aeroplane and model ship etc.. For the ultra-large product, a crane can be used for hoisting, and then a long-distance scanner is used for measuring to obtain the barycentric coordinates of the measured object. The utility model discloses strong adaptability, easy operation are reliable, with low costs, characteristics that the precision is high, can satisfy the focus measurement demand that complicated mechanism, complicated material constitute the product.

Drawings

Fig. 1 is a schematic view of the overall structure of a gravity center measuring device based on scanning according to the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

fig. 3 is a schematic view of another connection mode between the present invention and a workpiece to be tested.

In the drawings

1: vibration isolator 2: base seat

3: the longitudinal support 4: lower locking screw

5: a longitudinal slide bar 6: upper locking screw

7: horizontal sliding bar 7.1: groove

8: the hook 9: standard ball arm

9.1: sphere 9.2: rod body

10: universal connector 11: scanner

12: the workpiece to be measured 13: mark point

14: suction cup

Detailed Description

The following describes a scanning-based gravity center measuring device according to the present invention in detail with reference to the following embodiments and the accompanying drawings.

As shown in fig. 1, the utility model discloses a focus measuring device based on scanning, including base 2, base 2 on be provided with the vertical direction that can carry out the vertical direction and adjust and indulge supporting mechanism, the top of indulging supporting mechanism is connected with the one end of the sideslip pole 7 that can carry out the horizontal direction and adjust, the other end of sideslip pole 7 is connected with the standard club 9 of perpendicular setting through couple 8, the last integrated formation of standard club 9 has 2 more than be used for gathering measuring data's spheroid 9.1, the lower extreme of standard club 9 passes through universal connector 10 and connects by survey work piece 12.

As shown in fig. 2, the standard cue 9 comprises a shaft 9.2, wherein more than 2 spheres 9.1 are integrally formed on the shaft 9.2 at equal intervals, and the vertical central axis of each sphere 9.1 is aligned with the central axis of the shaft 9.2. A groove 7.1 is formed at one end of the transverse sliding rod 7, which is connected with the hook 8, and the hook part of the hook 8 is embedded in the groove 7.1, so that the hook 8 can be stably hung in the groove of the transverse sliding rod 7.

As shown in fig. 1 and 2, an internal threaded hole is formed at the upper end of the standard ball bar 9, an external thread is formed at the tail end of the vertical part of the hook 8, and the standard ball bar 9 is in threaded connection with the hook 8; an internal threaded hole is formed at the lower end of the standard ball rod 9, and the lower end of the standard ball rod 9 is connected with a screw at the upper end of the universal connector 10 through the internal threaded hole. A screw formed at the lower end of the universal connector 10 is in threaded connection with an internal threaded hole formed in the workpiece 12 to be tested.

As shown in fig. 3, the lower end of the universal connector 10 may be connected to the workpiece 12 through a suction cup 14, an internal threaded hole is formed at the upper end of the suction cup 14, and a screw rod formed at the lower end of the universal connector 10 is in threaded connection with the internal threaded hole of the suction cup 14.

As shown in fig. 1, the bottom end of the vertical support 3 is fixedly connected to the base 2, and the vertical sliding rod 5 is connected to the upper end of the vertical support 3, an adjusting groove is formed in the axis of the vertical support 3 along the axial direction, the lower part of the vertical sliding rod 5 is inserted into the adjusting groove in a vertically movable manner, and is positioned by a lower locking screw 4 arranged on the side of the upper port of the vertical support 3, a through hole is formed in the upper end of the vertical sliding rod 5 along the radial direction, and a horizontal sliding rod 7 is movably inserted into the through hole and is positioned by an upper locking screw 6 arranged on the side of the upper end of the vertical sliding rod 5. The bottom of the base 2 is fixedly provided with a vibration isolation pad 1.

Claims

1. The utility model provides a focus measuring device based on scanning, includes base (2), its characterized in that, base (2) on be provided with the supporting mechanism of indulging that can carry out the vertical direction and adjust, the top of indulging supporting mechanism is connected with the one end that can carry out horizontal direction regulation horizontal slide bar (7), the other end of horizontal slide bar (7) is connected with perpendicular standard club (9) that set up through couple (8), it has spheroid (9.1) that are used for gathering measured data more than 2 to be formed with integratively on standard club (9), the lower extreme of standard club (9) is passed through universal connector (10) and is connected surveyed work piece (12).

2. A scanning-based gravity center measuring device according to claim 1, wherein said standard ball bar (9) comprises a bar body (9.2), wherein more than 2 said balls (9.1) are integrally formed on said bar body (9.2) at equal intervals, and a vertical central axis of each ball (9.1) is aligned with a central axis of said bar body (9.2).

3. The gravity center measuring device based on scanning according to claim 1, characterized in that the upper end of the standard ball bar (9) is formed with an internal threaded hole, the end of the vertical part of the hook (8) is formed with an external thread, and the standard ball bar (9) is in threaded connection with the hook (8); an internal threaded hole is formed in the lower end of the standard ball rod (9), and the lower end of the standard ball rod (9) is connected with a screw at the upper end of the universal connector (10) through the internal threaded hole.

4. The scanning-based gravity center measuring device according to claim 1, wherein a screw formed at a lower end of the universal connector (10) is threadedly coupled with an internally threaded hole formed in the workpiece (12) to be measured.

5. A scanning-based gravity center measuring device according to claim 1, wherein the lower end of the universal joint (10) is connected to the workpiece (12) via a suction cup (14), the upper end of the suction cup (14) is formed with an internally threaded hole, and a screw formed at the lower end of the universal joint (10) is threadedly connected to the internally threaded hole of the suction cup (14).

6. A scanning-based centre of gravity measuring device according to claim 1, characterized in that the cross bar (7) is formed with a groove (7.1) at one end of the connecting hook (8), the hook of the hook (8) being embedded in the groove (7.1).

7. The apparatus of claim 1, wherein the longitudinal support mechanism comprises: bottom fixed connection is in indulge support (3) and connection on base (2) indulge slide bar (5) of indulging support (3) upper end, it is formed with the adjustment tank along the axial to indulge support (3) axle center, it can insert with reciprocating to indulge the lower part of slide bar (5) in the adjustment tank, and through setting up indulge lower locking screw (4) of port side on support (3) and fix a position, the upper end of indulging slide bar (5) is along radially being formed with the perforating hole, what horizontal slide bar (7) can remove inserts in the perforating hole, and through setting up indulge upper locking screw (6) of slide bar (5) upper end side and fix a position, the fixed vibration isolating pad (1) that is provided with in bottom of base (2).