CN209927068U

CN209927068U - Tool for measuring concentricity

Info

Publication number: CN209927068U
Application number: CN201921076923.XU
Authority: CN
Inventors: 于晓航; 史科
Original assignee: Avic Aviation Manufacturing Co Ltd
Current assignee: Avic Aviation Manufacturing Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-01-10
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a measure instrument of concentricity, including thimble, percentage table and base, first curb plate is installed to the top of base, the thimble is installed to the inboard of first curb plate, first magnetite is installed to the one end of thimble, the thimble tip cover in the first magnetite outside is equipped with the sample, the outside of sample adsorbs there is the second magnetite, the opposite base top slidable mounting of first curb plate has the second curb plate, the inboard of second curb plate is equipped with logical groove, it installs the mounting panel through the screw rod to lead to the inslot, the percentage table is installed to the mounting panel top. The utility model discloses a set up percentage table, thimble, first curb plate, second curb plate, mounting panel, first magnetite, second magnetite structure, solved the problem that needs stable sample fixed knot to construct when lacking necessary concentricity detection instrument and concentricity and detecting.

Description

Tool for measuring concentricity

Technical Field

The utility model relates to a measuring tool technical field specifically is a measure instrument of concentricity.

Background

The coating bond strength test is an important item in coating inspection, and a bond strength test sample is formed by two stretching heads and a coating sample through solid gum adhesion. In the prior art, the coaxiality of a sample is ensured by a clamp after the test sample is assembled, and partial position movement can occur in the melting and curing process of solid glue in the sample, so that the coaxiality result is poor. Concentricity measurements are required during processing.

However, the prior art has the following defects:

1. in the prior art, a sample in a coating bonding strength test needs to be subjected to concentricity test, once looseness occurs in a curing process, the sample is easily unqualified, and a necessary concentricity detection tool is lacked;

2. when the concentricity is detected, if the fixation of the sample is not stable enough, an error is similarly generated in the detection of the concentricity, and therefore a structure capable of stably fixing the sample is required.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a measure instrument of concentricity has solved the problem that needs stable sample fixed knot to construct when lacking necessary concentricity and detecting instrument and concentricity and detect.

(II means for solving the problems

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a measure instrument of concentricity, includes thimble, percentage table and base, first curb plate is installed to the top of base, the thimble is installed to the inboard of first curb plate, first magnetite is installed to the one end of thimble, the thimble tip cover in the first magnetite outside is equipped with the sample, the outside of sample adsorbs there is the second magnetite, the opposite base top slidable mounting of first curb plate has the second curb plate, the inboard of second curb plate is equipped with logical groove, it installs the mounting panel through the screw rod to lead to the inslot, the percentage table is installed to the mounting panel top.

Preferably, the middle end part of the thimble is sleeved with a lantern ring, the bottom of the lantern ring is provided with a support rod, and the bottom of the support rod is fixedly connected with the upper part of the base.

Preferably, the bottom of the second side plate is provided with a sliding block, the upper end surface of the base is provided with a sliding groove, and the bottom of the second side plate is connected with the sliding groove in a sliding mode through the sliding block.

Preferably, the screw rod penetrates through the top of the second side plate and extends into the through groove to be connected with the mounting plate, and the second handle is mounted at the top end of the screw rod.

Preferably, a measuring head is installed at one end of the dial indicator and is in contact with the sample, and a first handle is installed at the other end of the thimble.

(III) advantageous effects

The utility model provides a measure instrument of concentricity possesses following beneficial effect:

(1) the utility model can rapidly test the concentricity of the sample in the coating bonding strength test by arranging the dial indicator, the thimble, the first side plate, the second side plate and the mounting plate, has high detection efficiency and good practicability, thereby effectively solving the problem of lacking of necessary concentricity detection tools, when the concentricity test is carried out on the sample in the coating bonding strength test, the base is stably placed, the sample is sleeved on the thimble, the thimble is stably supported and structurally strengthened by the supporting rod and the lantern ring, simultaneously, the slide block at the bottom of the second side plate slides in the chute on the base, the dial indicator on the mounting plate installed by the screw in the second side plate is close to the sample, the measuring head at one end of the dial indicator contacts the sample, at the moment, the thimble in the first side plate is rotated by the first handle, the thimble is rotated, and the measuring head at one end of the dial indicator detects the concentricity of the surface of the sample, simultaneously, rotate the screw rod through the second handle, make the mounting panel realize going up and down in leading to the groove to change the position of gauge head on the sample surface, rotate the thimble once more and detect, thereby detect out the concentricity size of different regional faces, detect more comprehensively, detection efficiency is higher.

(2) The utility model discloses a set up first magnetite, the second magnetite, make the utility model discloses the sample of the fixed required detection concentricity that can be stable, avoid fixed insecure and lead to the concentricity to detect the deviation, error rate and error reduce, thereby effectual need stable sample fixed knot to construct the problem when having solved the concentricity and detecting, before the concentricity of carrying out the sample detects, establish the tip at the thimble with the sample cover, through the magnetic attraction between second magnetite and the first magnetite, fix the sample at the thimble tip firmly, and first magnetite and second magnetite all are standard magnetic workpiece, the structure size is identical completely, so can not appear when fixed cause the problem of skew to the sample, the effectual rate of accuracy that has improved follow-up concentricity and detect.

Drawings

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

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

fig. 3 is a schematic side view of the second side plate of the present invention.

The reference numbers in the figures are: 1. a first side plate; 2. a first handle; 3. a strut; 4. a thimble; 5. a collar; 6. a sample; 7. a measuring head; 8. mounting a plate; 9. a dial indicator; 10. a second handle; 11. a screw; 12. a second side plate; 13. a through groove; 14. a slider; 15. a base; 16. a first magnet; 17. a second magnet; 18. a chute.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a tool for measuring concentricity comprises a thimble 4, a dial indicator 9 and a base 15, wherein a first side plate 1 is arranged above the base 15, the thimble 4 is arranged on the inner side of the first side plate 1, a sleeve ring 5 is sleeved at the middle end part of the thimble 4, a supporting rod 3 is arranged at the bottom part of the sleeve ring 5, the bottom part of the supporting rod 3 is fixedly connected with the upper part of the base 15, a first magnet 16 is arranged at one end of the thimble 4, a sample 6 is sleeved at the end part of the thimble 4 on the outer side of the first magnet 16, a second magnet 17 is adsorbed at the outer side of the sample 6, the sample 6 is sleeved at the end part of the thimble 4 before concentricity detection of the sample 6 is carried out, the sample 6 is firmly fixed at the end part of the thimble 4 through magnetic attraction between the second magnet 17 and the first magnet 16, and the first magnet 16 and the second magnet 17 are standard magnetic workpieces, the structure size is completely consistent, so that the problem of, the accuracy of subsequent concentricity detection is effectively improved, a second side plate 12 is slidably mounted above a base 15 opposite to a first side plate 1, a sliding block 14 is mounted at the bottom of the second side plate 12, a sliding groove 18 is formed in the upper end face of the base 15, the bottom of the second side plate 12 is slidably connected with the sliding groove 18 through the sliding block 14, a through groove 13 is formed in the inner side of the second side plate 12, a mounting plate 8 is mounted in the through groove 13 through a screw rod 11, the screw rod 11 penetrates through the top of the second side plate 12 and extends into the through groove 13 to be connected with the mounting plate 8, a second handle 10 is mounted at the top end of the screw rod 11, a dial indicator 9 is mounted above the mounting plate 8, a measuring head 7 is mounted at one end of the dial indicator 9, the measuring head 7 is in contact with a sample 6, a first handle 2 is mounted at the other end of a thimble 4, the base 15 is stably placed, thimble 4 carries out firm support and structural enhancement through branch 3 and lantern ring 5, utilize slider 14 of second curb plate 12 bottom to slide in the spout 18 on base 15 simultaneously, it is close to sample 6 to make the percentage table 9 on the mounting panel 8 of installing through screw rod 11 in the second curb plate 12, make the gauge head 7 of percentage table 9 one end contact sample 6, through the thimble 4 in the rotatory first curb plate 1 of first handle 2 this moment, make thimble 4 rotatory, and then make the gauge head 7 of percentage table 9 one end detect out the concentricity size on sample 6 surface, and simultaneously, through the rotatory screw rod 11 of second handle 10, make mounting panel 8 realize going up and down in leading to groove 13, thereby change the position of gauge head 7 on sample 6 surface, rotatory thimble 4 detects once more, thereby detect out the concentricity size of different regional faces, it is more comprehensive to detect, and the detection efficiency is higher.

The working principle is as follows: before concentricity detection of a sample 6 is carried out, the sample 6 is sleeved at the end part of a thimble 4, the sample 6 is firmly fixed at the end part of the thimble 4 through magnetic attraction between a second magnet 17 and a first magnet 16, the first magnet 16 and the second magnet 17 are standard magnetic workpieces, the structure size is completely consistent, so that the problem of deviation of the sample 6 when the sample is fixed can not occur, when the concentricity of the sample 6 in a coating bonding strength test is tested, a base 15 is stably placed, the sample 6 is sleeved on the thimble 4, the thimble 4 is stably supported and structurally strengthened through a support rod 3 and a sleeve ring 5, meanwhile, a slide block 14 at the bottom of a second side plate 12 slides in a slide groove 18 on the base 15, a dial indicator 9 on a mounting plate 8 mounted in the second side plate 12 through a screw 11 is close to the sample 6, and a measuring head 7 at one end of the dial indicator 9 is contacted with the sample 6, at this time, the thimble 4 in the first side plate 1 is rotated by the first handle 2, so that the thimble 4 is rotated, and the measuring head 7 at one end of the dial indicator 9 detects the concentricity of the surface of the sample 6, and meanwhile, the screw rod 11 is rotated by the second handle 10, so that the mounting plate 8 is lifted in the through groove 13, thereby changing the position of the measuring head 7 on the surface of the sample 6, and the thimble 4 is rotated again for detection, thereby detecting the concentricity of different area surfaces.

To sum up can, the utility model discloses a set up percentage table 9, thimble 4, first curb plate 1, second curb plate 12, mounting panel 8, first magnetite 16, second magnetite 17 structure, solved the problem that needs stable sample fixed knot to construct when lacking necessary concentricity detection instrument and concentricity detection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a measure instrument of concentricity, includes thimble (4), percentage table (9) and base (15), its characterized in that: first curb plate (1) is installed to the top of base (15), thimble (4) are installed to the inboard of first curb plate (1), first magnetite (16) are installed to the one end of thimble (4), thimble (4) tip cover in the first magnetite (16) outside is equipped with sample (6), the outside adsorption of sample (6) has second magnetite (17), base (15) top slidable mounting opposite first curb plate (1) has second curb plate (12), the inboard of second curb plate (12) is equipped with logical groove (13), install mounting panel (8) through screw rod (11) in leading to groove (13), percentage table (9) are installed to mounting panel (8) top.

2. A tool for measuring concentricity according to claim 1, wherein: the middle end part of the thimble (4) is sleeved with a sleeve ring (5), the bottom of the sleeve ring (5) is provided with a support rod (3), and the bottom of the support rod (3) is fixedly connected with the upper part of the base (15).

3. A tool for measuring concentricity according to claim 1, wherein: the bottom of the second side plate (12) is provided with a sliding block (14), the upper end face of the base (15) is provided with a sliding groove (18), and the bottom of the second side plate (12) is connected with the sliding groove (18) in a sliding mode through the sliding block (14).

4. A tool for measuring concentricity according to claim 1, wherein: the screw rod (11) runs through the top of the second side plate (12) and extends into the through groove (13) to be connected with the mounting plate (8), and the second handle (10) is installed at the top end of the screw rod (11).

5. A tool for measuring concentricity according to claim 1, wherein: and a measuring head (7) is installed at one end of the dial indicator (9), the measuring head (7) is in contact with the sample (6), and a first handle (2) is installed at the other end of the thimble (4).