CN218781709U

CN218781709U - Device for measuring mass and mass center of small missile

Info

Publication number: CN218781709U
Application number: CN202223032918.3U
Authority: CN
Inventors: 陈振教; 张雅楠; 谢汉桥
Original assignee: Hunan Guanghua Defense Technology Group Co ltd
Current assignee: Hunan Guanghua Defense Technology Group Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-31
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a measure device of small-size guided missile quality barycenter, include: the mounting seat comprises a first mounting surface and a second mounting surface which are arranged back to back; the two weighing pieces are arranged on the first mounting surface at intervals along the same direction, and a weighing surface capable of weighing objects is arranged on one surface of each weighing piece, which is far away from the first mounting surface; the two placing seats are respectively placed on one weighing surface, and a placing position for placing the guided missile is formed between the two placing seats; the two sliding assemblies are arranged on the first mounting surface in a sliding mode and can move along the connecting line direction between the two placing seats, and the two sliding assemblies are respectively in transmission connection with one placing seat so as to drive the two placing seats to be far away from or close to each other; and the lifting leveling device is arranged on the second mounting surface of the mounting seat and used for leveling the second mounting surface.

Description

Device for measuring mass and mass center of small missile

Technical Field

The utility model relates to a, in particular to measure device of small-size guided missile quality barycenter.

Background

The measurement of the quality and the mass center of the missile is an essential process in the product research and development process, and the measurement of the mass and the mass center can be continuously carried out through continuously optimizing the structure so as to ensure the reliability of the project. The existing machine for measuring mass and mass center is high in cost, and different measuring instruments are needed for ensuring the bullets with different specifications of experiment precision, so that the machine is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a measure device of small-size guided missile quality barycenter can confirm the barycenter position of different specification guided missiles fast.

According to the utility model discloses measure device of small-size guided missile quality barycenter of first aspect embodiment, include: the mounting seat comprises a first mounting surface and a second mounting surface which are arranged back to back; the two weighing pieces are arranged on the first mounting surface at intervals along the same direction, and a weighing surface capable of weighing objects is arranged on one surface of each weighing piece, which is far away from the first mounting surface; the two placing seats are respectively placed on one weighing surface, and a placing position for placing the guided missile is formed between the two placing seats; the two sliding assemblies are arranged on the first mounting surface in a sliding manner and can move along the direction of a connecting line between the two placing seats, and the two sliding assemblies are respectively in transmission connection with one placing seat so as to drive the two placing seats to be away from or close to each other; and the lifting leveling device is arranged on the second mounting surface of the mounting seat and used for leveling the second mounting surface.

According to the utility model discloses measure device of small-size guided missile quality barycenter has following beneficial effect at least:

1. the placing seats are moved through the sliding assembly, so that shells with different lengths and specifications can be accommodated in the placing positions formed between the two placing seats, the guided missiles with different specifications and lengths can be measured, and the application range is wider;

2. leveling the mounting seat by a lifting leveling device, after leveling, adjusting the distance between two placing seats, corresponding to the length of a missile body, placing the missile body of the missile on the adjusted placing position to realize the placing of the missile, reading the readings on two weighing parts, namely F1 and F2, measuring the distance L between the two weighing parts, assuming that the position from the weighing part with the reading of F1 to the center of mass is X, and the position from the other weighing part to the center of mass is L-X, and according to the lever balance principle, the power arm X power = resistance arm X resistance, namely F1X X = F2X (L-X), and obtaining the size of X, namely the position of the center of mass.

According to the utility model discloses a some embodiments, place the seat and keep away from be equipped with on one side of first installation face and place logical groove, two place logical groove and communicate each other along same straight line.

According to some embodiments of the utility model, it is equipped with elastic cushion on the cell wall to place logical groove, one side that the cell wall was kept away from to the cushion is threadiness.

According to the utility model discloses a some embodiments, be equipped with two slide rails on the first mounting surface, two the slide rail set up respectively in place one side of seat, slide rail and two the line direction syntropy setting of placing the seat, the subassembly that slides includes two slides and a locating lever, two the slide slides respectively and sets up in one on the slide rail, and can be fixed in on the slide rail, the locating lever is connected two the slide sets up, the locating lever can pass place the seat, and restrict place the seat along two the line direction of placing the seat removes, and does not bear place the gravity of seat.

According to some embodiments of the utility model, place the seat orientation be equipped with the logical groove of location in the one side of weighing face, the logical groove edge of location link up the setting in the axial direction of locating lever, the lateral wall that the logical groove of location can with the locating lever is tangent and the laminating the locating lever inserts and is located weigh on the piece place the seat when the logical groove of location is middle, the locating lever extremely the distance that the logical groove bottom of location is more than or equal to zero.

According to some embodiments of the utility model, be equipped with on the slide rail along two the scale mark that the line direction of placing the seat set up.

According to some embodiments of the utility model, the slide quilt be equipped with the triangle pilot scale on one of them of the both sides face that the locating lever passed, a corner orientation of triangle pilot scale first installation face sets up.

According to the utility model discloses a few embodiments, lift levelling device includes four lift adjustment pieces, lift adjustment piece set up respectively in the four corners of mount pad.

According to some embodiments of the utility model, go up and down to level the device and still include the spirit level, the spirit level set up in on the first installation face.

According to the utility model discloses a some embodiments still include the warhead and keep off the pad, the warhead keeps off the pad and sets up in two place on the line between the seat, and with place the phase and align to with the head looks butt of guided missile.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a three-dimensional schematic view of an apparatus for measuring mass and mass center of a small missile according to an embodiment of the present invention;

fig. 2 is a schematic side view of a placing seat of the device for measuring the mass center of the small missile according to the embodiment of the invention;

fig. 3 is a schematic side view of the slide of the device for measuring mass and mass center of the small missile according to the embodiment of the present invention.

Reference numerals: a mounting base 100; a weighing member 200; a weighing surface 210; a placement seat 300; a placement channel 310; a spacer 311; a positioning through slot 320; a glide assembly 400; a slider 410; a triangular locator mark 411; a positioning rod 420; a leveling device 500; a level gauge 510; a slide rail 600; warhead stop pad 700.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, 2 and 3, the utility model discloses a device of measurement small-size guided missile mass barycenter of embodiment includes:

a mounting base 100 including a first mounting surface and a second mounting surface arranged back to back;

the weighing device comprises two weighing pieces 200, wherein the weighing pieces 200 are arranged on a first mounting surface at intervals along the same direction, and a weighing surface 210 capable of weighing objects is arranged on one surface, far away from the first mounting surface, of the weighing pieces 200;

two placing seats 300, wherein the two placing seats 300 are respectively placed on a weighing surface 210, and a placing position for placing a guided missile is formed between the two placing seats 300;

the two sliding assemblies 400 are arranged on the first mounting surface in a sliding manner and can move along the connecting line direction between the two placing seats 300, and the two sliding assemblies 400 are respectively in transmission connection with the placing seats 300 so as to drive the two placing seats 300 to be away from or close to each other;

and the lifting leveling device 500 is arranged on the second mounting surface of the mounting base 100 and is used for leveling the second mounting surface.

It is worth understanding that the placing seats 300 are moved by the sliding assembly 400, so that the placing positions formed between the two placing seats 300 can accommodate shells with different length specifications, so as to measure missiles with different length specifications, and the application range is wider; leveling the mounting seat 100 by a lifting leveling device 500, after leveling, adjusting the distance between two placing seats 300 corresponding to the length of the missile body, placing the missile body of the missile on the adjusted placing position to realize the placement of the missile, reading the readings on two weighing pieces 200, namely F1 and F2, and measuring the distance L between the two weighing pieces 200, wherein the position from the weighing piece 200 with the reading of F1 to the mass center is X, and the position from the other weighing piece 200 to the mass center is L-X, and according to the lever balance principle, the power arm multiplied by power = resistance arm multiplied by resistance, namely F1 multiplied by X = F2 multiplied by L-X, namely the position of the mass center can be obtained by measuring X for multiple times, and the average value can be obtained to reduce the error.

Wherein the weighing member 200 is a platform scale.

Referring to fig. 1, a placing through groove 310 is formed in one side of the placing seat 300 away from the first mounting surface, and the two placing through grooves 310 are communicated with each other along the same straight line.

It is understood that the through groove means a groove penetrating in a straight direction.

Specifically, place logical groove 310 through the setting and thoroughly link up along same straight line, conveniently place the guided missile on two place seats 300, and the warhead and the bullet tail of guided missile can stretch out two and place between the logical groove 310, only the body of the bullet lies in two and places and lead to the groove 310 between measure, and placing of guided missile is more convenient.

Referring to fig. 1, the wall of the through groove 310 is provided with an elastic pad 311, and the side of the pad 311 away from the wall is linear.

It is worth understanding that the cross section of the cushion block 311 along the connecting line direction of the two placing through grooves 310 is triangular, and one corner of the triangle is arranged towards the center of the placing through groove 310, so that only the corner of the cushion block 311 is in contact with the missile, the linear contact with the missile is realized, the pressure borne by the cushion block 311 is larger and is closer to the pressure applied by point contact, the measurement of the pressure of the missile is more accurate, and the position accuracy of the calculated center of mass is improved.

Referring to fig. 1, 2 and 3, two sliding rails 600 are disposed on the first mounting surface, the two sliding rails 600 are respectively disposed on one side of the placing base 300, the sliding rails 600 and the two connecting lines of the placing base 300 are disposed in the same direction, the sliding assembly 400 includes two sliding bases 410 and a positioning rod 420, the two sliding bases 410 are respectively slidably disposed on one sliding rail 600 and can be fixed on the sliding rails 600, the positioning rod 420 is connected to the two sliding bases 410, the positioning rod 420 can penetrate through the placing base 300 and limits the placing base 300 to move along the connecting lines of the two placing bases 300 without bearing the gravity of the placing base 300.

It is worth understanding, set up slide 410 on slide rail 600, slide 410 slides along slide rail 600 direction, locating lever 420 wears to establish on two slides 410, and pass and place seat 300, and can not make and place seat 300 unsettled, thereby do not divide the weight of placing seat 300, adjust the position of placing seat 300, make two place logical groove 310 move on same straight line all the time, so that two place and to link together along same straight line between the logical groove 310 all the time, more conveniently place the body of a bullet of guided missile on placing the position, and do not influence and place seat 300 and weigh on weighing piece 200.

It should be understood that the sliding base 410 is provided with a screw hole, and the sliding base 410 is fixed on the sliding rail 600 by the bolt being locked in the screw hole and passing through the screw hole to abut against the sliding rail 600.

Wherein, two ends of the positioning rod 420 can be locked on one side of the sliding base 410 far away from the other sliding base 410 through nuts.

Wherein, locating lever 420 is the step pole, and the diameter at the middle part of locating lever 420 is greater than the diameter at locating lever 420 both ends, and the axis length at locating lever 420 middle part is the same with the distance between two slides 410, and locating lever 420 can direct joint between two slides 410.

Referring to fig. 1, 2 and 3, a positioning through groove 320 is formed in one surface of the placing seat 300 facing the weighing surface 210, the positioning through groove 320 is arranged to penetrate through along the axial direction of the positioning rod 420, the side wall of the positioning through groove 320 can be tangent to and attached to the positioning rod 420, and when the positioning rod 420 is inserted into the positioning through groove 320 of the placing seat 300 on the weighing piece 200, the distance from the positioning rod 420 to the bottom of the positioning through groove 320 is greater than or equal to zero.

It is worth understanding, locating lever 420 and the joint of laminating mutually of the lateral wall that the groove 320 was led to in the location, the realization is placed seat 300 and is placed the location of seat 300 line direction along two, make two distances of placing between the seat 300 more accurate, and the bottom that leads to the groove 320 is greater than or equal to zero at locating lever 420 to the location, make locating lever 420 can not unsettled place seat 300, place seat 300 and will place on weighing piece 200, weigh piece 200 and bear the whole weight of placing seat 300, and can not shared by locating lever 420, do not influence the normal weighing of weighing piece 200.

In this embodiment, the slide rail 600 is provided with a scale line along the connecting line direction of the two placing seats 300.

It is worth understanding that, through the scale marks, the distance between the two placing bases 300 and the position of the marked mass center are convenient to read, and the use is more convenient.

Referring to fig. 1 and 3, a triangular positioning mark 411 is disposed on one of two side surfaces of the sliding base 410 through which the positioning rod 420 passes, and a corner of the triangular positioning mark 411 is disposed toward the first mounting surface.

It is worth understanding that when the position of the sliding base 410 on the scale mark is read, the reading position of the sliding base 410 is determined through the triangular positioning mark 411, so that the reading of the distance between the two sliding bases 410 is facilitated, the reading error of each time can be reduced, and the measuring accuracy is improved.

Referring to fig. 1, the lifting and leveling device 500 includes four lifting and leveling members, which are respectively disposed at four corners of the mounting base 100.

It should be appreciated that the mount 100 is leveled by the elevation adjustment members disposed at the four corners of the mount 100 to improve the accuracy of the missile measurement.

Referring to fig. 1, the lifting leveling device 500 further includes a level gauge 510, and the level gauge 510 is disposed on the first mounting surface.

It is appreciated that the position of the mounting base 100 can be determined by the level gauge 510 when performing the adjustment, which is more convenient.

Wherein the level 510 is a bubble level 510.

Referring to fig. 1, the missile further includes a bullet stop pad 700, and the bullet stop pad 700 is disposed on a connection line between the two placing seats 300, and is aligned with the placing position to abut against the head of the missile.

It is understood that the bullet stop pad 700 can abut against the bullet of the guided missile to protect the bullet of the guided missile, prevent the guided missile from moving forward, and make the measurement safer.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An apparatus for measuring the mass center of mass of a small missile, comprising:

a mounting seat (100) comprising a first mounting surface and a second mounting surface which are arranged oppositely;

the weighing device comprises two weighing pieces (200), wherein the weighing pieces (200) are arranged on the first mounting surface at intervals along the same direction, and a weighing surface (210) capable of weighing objects is arranged on one surface, far away from the first mounting surface, of each weighing piece (200);

the two placing seats (300) are respectively placed on one weighing surface (210), and a placing position for placing a guided missile is formed between the two placing seats (300);

the two sliding assemblies (400) are arranged on the first mounting surface in a sliding manner and can move along the direction of a connecting line between the two placing seats (300), and the two sliding assemblies (400) are respectively in transmission connection with one placing seat (300) so as to drive the two placing seats (300) to be away from or close to each other;

and the lifting leveling device (500) is arranged on the second mounting surface of the mounting base (100) and is used for leveling the second mounting surface.

2. The device for measuring the mass center of mass of a small missile according to claim 1, wherein: a placing through groove (310) is formed in one side, away from the first mounting surface, of the placing seat (300), and the placing through grooves (310) are communicated with each other along the same straight line.

3. The device for measuring the mass center of a small missile as claimed in claim 2, wherein: and the wall of the through groove (310) is provided with an elastic cushion block (311), and one side of the cushion block (311) far away from the wall of the through groove is linear.

4. The device for measuring the mass center of mass of a small missile according to claim 1, wherein: be equipped with two slide rails (600) on the first installing face, two slide rail (600) set up respectively in place one side of seat (300), slide rail (600) and two place the line direction syntropy setting of seat (300), subassembly (400) that slides includes two slides (410) and a locating lever (420), two slide (410) slide respectively set up in one on slide rail (600), and can be fixed in on slide rail (600), locating lever (420) are connected two slide (410) set up, locating lever (420) can pass place seat (300), and the restriction place seat (300) along two the line direction removal of placing seat (300), and do not bear the gravity of placing seat (300).

5. The device for measuring the mass center of mass of a small missile according to claim 4, wherein: the weighing device is characterized in that one surface, facing the weighing surface (210), of the placing seat (300) is provided with a positioning through groove (320), the positioning through groove (320) is arranged in a penetrating mode along the axial direction of the positioning rod (420), the side wall of the positioning through groove (320) can be tangent to and attached to the positioning rod (420), and when the positioning rod (420) is inserted into the positioning through groove (320) of the placing seat (300) on the weighing piece (200), the distance from the positioning rod (420) to the bottom of the positioning through groove (320) is larger than or equal to zero.

6. The device for measuring the mass center of mass of a small missile according to claim 4, wherein: and the slide rail (600) is provided with scale marks arranged along the direction of the connecting line of the two placing seats (300).

7. The device for measuring the mass center of mass of a small missile according to claim 6, wherein: one of two side surfaces of the sliding seat (410) penetrated by the positioning rod (420) is provided with a triangular positioning mark (411), and one corner of the triangular positioning mark (411) faces the first mounting surface.

8. The device for measuring the mass center of mass of a small missile according to any one of claims 1 to 7, wherein: the lifting leveling device (500) comprises four lifting adjusting pieces, and the lifting adjusting pieces are respectively arranged at four corners of the mounting base (100).

9. The device for measuring the mass center of a small missile according to claim 8, wherein: the lifting leveling device (500) further comprises a level gauge (510), and the level gauge (510) is arranged on the first installation surface.

10. The device for measuring the mass center of mass of a small missile according to any one of claims 1 to 7, wherein: the missile shield is characterized by further comprising a missile shield pad (700), wherein the missile shield pad (700) is arranged on a connecting line between the two placing seats (300) and is aligned with the placing positions so as to be abutted against the head of a missile.