CN211826133U

CN211826133U - Clamping structure for calibrating revolution meter

Info

Publication number: CN211826133U
Application number: CN202020898832.0U
Authority: CN
Inventors: 牛国辉; 成铭; 刘伟
Original assignee: XINJIANG UYGUR AUTONOMOUS REGION INSTITUTE OF MEASUREMENT AND TESTING
Current assignee: XINJIANG UYGUR AUTONOMOUS REGION INSTITUTE OF MEASUREMENT AND TESTING
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-10-30
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a clamping structure of tachometer calibration usefulness, including the base, the top of base is provided with the altitude mixture control piece, and the altitude mixture control key comprises two supporting seats, two second through-holes, two connecting blocks, a second threaded rod, a bracing piece and a limiting plate. The utility model discloses a step motor and drive first threaded rod and rotate, can drive two splint through first threaded rod and be close to each other or keep away from, thereby make two splint press from both sides tightly the tachometer of different diameters, can drive connecting block and limiting plate through rotating the second threaded rod and rise or descend, thereby can highly adjust the limiting plate, can support the bottom of tachometer through the limiting plate, thereby make this clamping structure can press from both sides tightly the tachometer of co-altitude, and then make this clamping structure can satisfy the user demand of co-altitude and diameter tachometer, the practicality of this clamping structure has been improved.

Description

Clamping structure for calibrating revolution meter

Technical Field

The utility model relates to a clamping structure specifically is a clamping structure of tachometer calibration usefulness.

Background

The tachometer is one of the necessary instruments in the mechanical industry, is used for measuring the rotating speed, linear velocity or frequency of a motor, is commonly used in the manufacturing industries of motors, fans, paper making, plastics, chemical fibers, washing machines, automobiles, airplanes, ships and the like, is mostly commonly used as a handheld centrifugal tachometer, and is indispensable in various fields of national economy.

The tachometer need use clamping structure to press from both sides tightly when the calibration, and there is the difference in the height and the diameter of tachometer, and the user demand of co-altitude and diameter tachometer can not be satisfied to current clamping structure mostly to influence clamping structure's practicality. Therefore, the clamping structure for calibrating the tachometer is provided by improving the structure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a clamping structure for tachometer calibration, which comprises a base, wherein a height adjusting piece is arranged at the top of the base, and a height adjusting key consists of two supporting seats, two second through holes, two connecting blocks, a second threaded rod, a supporting rod and a limiting plate;

the top of base is provided with the holder that is located between two supporting seats, the holder comprises a box, two first through-holes, two recesses, a first threaded rod, a gag lever post, two splint, a step motor, two rubber slabs and a plurality of spring.

As a preferred technical scheme of the utility model, two the supporting seat is fixed mounting respectively in the both sides at base top, two the middle part at two supporting seats is seted up respectively to the second through-hole, bracing piece fixed mounting is in the inside of one of them second through-hole.

As a preferred technical scheme of the utility model, the bottom of second threaded rod is passed through the bearing and is linked to each other with the top of another second through-hole inner chamber, the top of second threaded rod runs through another second through-hole and extends to the outside on second through-hole top, and the junction at second threaded rod and another second through-hole inner chamber top is provided with the bearing.

As a preferred technical scheme of the utility model, two sliding connection is in the inside of two second through-holes respectively to the connecting block, one of them the inner wall of connecting block alternates with the surface of bracing piece to be connected, another the inner wall of connecting block and the surface threaded connection of second threaded rod, limiting plate fixed mounting is between two connecting blocks, and the surface of limiting plate alternates with the inner wall of two first through-holes to be connected.

As a preferred technical scheme of the utility model, the bottom of box and the top fixed connection of base, two first through-hole is seted up respectively on the inner wall of box both sides, two the both sides at the box top are seted up respectively to the recess.

As a preferred technical scheme of the utility model, gag lever post fixed mounting is in the inside of one of them recess, the both ends of first threaded rod link to each other with the inner wall of another recess both sides through the bearing respectively, step motor installs in the side of box, and step motor's output shaft links to each other with the one end of first threaded rod, first threaded rod divide into two parts, and the rotation of two parts screw thread is to opposite.

As a preferred technical scheme of the utility model, two the inner wall of splint all with the surface threaded connection of first threaded rod, two the inner wall of splint all alternates with the surface of gag lever post and is connected, two the rubber slab is connected in the one side that two splint are close to each other through a plurality of spring coupling respectively.

The utility model has the advantages that: this kind of clamping structure of tachometer calibration usefulness, it rotates to drive first threaded rod through step motor, can drive two splint through first threaded rod and be close to each other or keep away from, thereby make two splint can press from both sides the tachometer of different diameters tightly, can drive connecting block and limiting plate through rotating the second threaded rod and rise or descend, thereby can adjust the height of limiting plate, can support the bottom of tachometer through the limiting plate, thereby make this clamping structure can press from both sides the tachometer of not co-altitude tightly, and then make this clamping structure can satisfy the user demand of co-altitude and diameter tachometer, the practicality of this clamping structure has been improved, can protect the tachometer through rubber slab and spring, thereby reduce the condition that causes the damage when this clamping structure carries out the tachometer centre gripping.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a clamping structure for calibrating a tachometer according to the present invention;

fig. 2 is a schematic structural diagram of a first through hole of a clamping structure for calibrating a tachometer according to the present invention;

fig. 3 is a schematic structural diagram of a groove of a clamping structure for calibrating a tachometer according to the present invention;

fig. 4 is a schematic structural diagram of a limiting plate of a clamping structure for calibrating a tachometer according to the present invention;

fig. 5 is an enlarged schematic diagram of a position a of the clamping structure for calibration of the tachometer according to the present invention.

In the figure: 1. a base; 2. a box body; 3. a first through hole; 4. a groove; 5. a first threaded rod; 6. a limiting rod; 7. a splint; 8. a stepping motor; 9. a rubber plate; 10. a spring; 11. a supporting seat; 12. a second through hole; 13. connecting blocks; 14. a second threaded rod; 15. a support bar; 16. and a limiting plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the clamping structure for calibrating a tachometer of the present invention comprises a base 1, wherein a height adjusting member is disposed on the top of the base 1, and a height adjusting key is composed of two supporting seats 11, two second through holes 12, two connecting blocks 13, a second threaded rod 14, a supporting rod 15, and a limiting plate 16;

the top of base 1 is provided with the holder that is located between two supporting seats 11, and the holder comprises a box 2, two first through-holes 3, two recesses 4, a first threaded rod 5, a gag lever post 6, two splint 7, a step motor 8, two rubber slabs 9 and a plurality of spring 10.

Wherein, two supporting seats 11 are fixed mounting respectively in the both sides at 1 top of base, and two second through-holes 12 are seted up respectively at the middle part of two supporting seats 11, and bracing piece 15 fixed mounting can support connecting block 13 through setting up supporting seat 11 in the inside of one of them second through-hole 12 to bracing piece 15 can support and restrict limiting plate 16 and connecting block 13's position, thereby more steady when making limiting plate 16 reciprocate.

Wherein, the bottom of second threaded rod 14 passes through the bearing and links to each other with the top on another second through-hole 12 inner chamber, another second through-hole 12 is run through and extends to the outside on second through-hole 12 top on the top of second threaded rod 14, and the junction at second threaded rod 14 and another second through-hole 12 inner chamber top is provided with the bearing, can drive connecting block 13 and limiting plate 16 through rotating second threaded rod 14 and rise or descend, thereby can adjust the height of limiting plate 16, can support the bottom of tachometer through limiting plate 16, thereby make this clamping structure can press from both sides tightly the tachometer of co-altitude.

Wherein, two connecting blocks 13 are sliding connection respectively in the inside of two second through-holes 12, the inner wall of one of them connecting block 13 alternates with the surface of bracing piece 15 and is connected, the outer surface threaded connection of the inner wall of another connecting block 13 and second threaded rod 14, limiting plate 16 fixed mounting is between two connecting blocks 13, and the surface of limiting plate 16 alternates with the inner wall of two first through-holes 3 and is connected, be provided with the helicitic texture with 14 looks adaptations of second threaded rod on the connecting block 13 inner wall with 14 threaded connection of second threaded rod, the connecting block 13 inner wall of alternating with bracing piece 15 is smooth.

Wherein, the bottom of box 2 and the top fixed connection of base 1, two first through-holes 3 are seted up respectively on the inner wall of box 2 both sides, and two recesses 4 are seted up respectively in the both sides at box 2 top, can be convenient for limiting plate 16 through setting up two first through-holes 3 and pass box 2 to avoid box 2 to influence the rising or the decline of limiting plate 16.

Wherein, the limiting rod 6 is fixedly arranged inside one groove 4, two ends of the first threaded rod 5 are respectively connected with the inner walls of two sides of the other groove 4 through bearings, the stepping motor 8 is arranged on the side surface of the box body 2, and the output shaft of the stepping motor 8 is connected with one end of the first threaded rod 5, the first threaded rod 5 is divided into two parts, the rotation directions of the two parts of threads are opposite, the stepping motor 8 is externally connected with a controller and a driver, the driver is electrically connected with the controller, the controller is electrically connected with an external power supply, the model of the stepping motor 8 is 110HCY160AL3S, the model of the controller is TPC8-8TD controller, the model of the driver is 8594, the rotating speed and the steering of the stepping motor 8 can be controlled through the controller and the driver, so that the stepping motor 8 can drive the first threaded rod 5 to rotate forwards or backwards.

Wherein, the inner wall of two splint 7 all with the surface threaded connection of first threaded rod 5, the inner wall of two splint 7 all alternates with gag lever post 6's surface and is connected, two rubber slab 9 are connected in the one side that two splint 7 are close to each other through a plurality of spring 10 respectively, two splint 7 all are provided with the helicitic texture with 5 looks adaptations of first threaded rod with the junction of first threaded rod 5, can protect the tachometer through rubber slab 9 and spring 10, thereby reduce the condition that causes the damage when this clamping structure is to the tachometer centre gripping.

When the device works, the second threaded rod 14 is rotated, the second threaded rod 14 drives the connecting block 13 and the limiting plate 16 to ascend or descend, then the height of the limiting plate 16 is adjusted according to the actual height of the tachometer, the tachometer is placed between the two rubber plates 9 after the adjustment is finished, then the stepping motor 8 is started, the stepping motor 8 drives the first threaded rod 5 to rotate, the two clamping plates 7 are driven to mutually approach by the rotation of the first threaded rod 5, the two rubber plates 9 are driven to mutually approach and clamp the tachometer by the two clamping plates 7, then the tachometer is calibrated, and after the calibration is finished, the stepping motor 8 is started to enable the stepping motor 8 to reversely rotate and drive the two clamping plates 7 to mutually separate, so that the two rubber plates 9 can be separated from the tachometer, and then the tachometer can be taken out;

the clamping structure for calibrating the tachometer drives the first threaded rod 5 to rotate through the stepping motor 8, and can drive the two clamping plates 7 to approach or separate from each other through the first threaded rod 5, so that the two clamping plates 7 can clamp the revolution meters with different diameters, the connecting block 13 and the limiting plate 16 can be driven to ascend or descend by rotating the second threaded rod 14, so that the height of the limiting plate 16 can be adjusted, the bottom of the revolution meter can be supported by the limiting plate 16, the clamping structure can clamp the revolution meters with different heights, thereby the clamping structure can meet the use requirements of the revolution meters with different heights and diameters, the practicability of the clamping structure is improved, the tachometer can be protected by the rubber plate 9 and the spring 10, so that the damage to the tachometer during clamping by the clamping structure is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The clamping structure for calibrating the revolution meter is characterized by comprising a base (1), wherein a height adjusting piece is arranged at the top of the base (1), and a height adjusting key consists of two supporting seats (11), two second through holes (12), two connecting blocks (13), a second threaded rod (14), a supporting rod (15) and a limiting plate (16);

the top of base (1) is provided with the holder that is located between two supporting seats (11), the holder comprises a box (2), two first through-holes (3), two recesses (4), a first threaded rod (5), a gag lever post (6), two splint (7), a step motor (8), two rubber slab (9) and a plurality of spring (10).

2. The clamping structure for calibrating the tachometer according to claim 1, wherein two of the supporting seats (11) are respectively and fixedly installed at two sides of the top of the base (1), two of the second through holes (12) are respectively formed in the middle of the two supporting seats (11), and the supporting rod (15) is fixedly installed inside one of the second through holes (12).

3. The clamping structure for calibrating the tachometer according to claim 2, wherein the bottom end of the second threaded rod (14) is connected with the top of the inner cavity of the other second through hole (12) through a bearing, the top end of the second threaded rod (14) penetrates through the other second through hole (12) and extends to the outside of the top end of the second through hole (12), and the bearing is arranged at the joint of the second threaded rod (14) and the top of the inner cavity of the other second through hole (12).

4. The clamping structure for calibrating the tachometer according to claim 1, wherein the two connecting blocks (13) are respectively slidably connected inside the two second through holes (12), one of the connecting blocks (13) has an inner wall penetrating and connecting with the outer surface of the supporting rod (15), the other connecting block (13) has an inner wall threaded and connecting with the outer surface of the second threaded rod (14), the limiting plate (16) is fixedly installed between the two connecting blocks (13), and the outer surface of the limiting plate (16) is penetrating and connecting with the inner walls of the two first through holes (3).

5. The clamping structure for calibrating the tachometer according to claim 1, wherein the bottom of the box (2) is fixedly connected with the top of the base (1), the two first through holes (3) are respectively formed in the inner walls of the two sides of the box (2), and the two grooves (4) are respectively formed in the two sides of the top of the box (2).

6. The clamping structure for calibrating the tachometer according to claim 1, wherein the limiting rod (6) is fixedly arranged in one of the grooves (4), two ends of the first threaded rod (5) are respectively connected with the inner walls of two sides of the other groove (4) through bearings, the stepping motor (8) is arranged on the side surface of the box body (2), the output shaft of the stepping motor (8) is connected with one end of the first threaded rod (5), the first threaded rod (5) is divided into two parts, and the rotating directions of the two parts of threads are opposite.

7. The clamping structure for calibrating the tachometer according to claim 1, wherein the inner walls of the two clamping plates (7) are in threaded connection with the outer surface of the first threaded rod (5), the inner walls of the two clamping plates (7) are in penetrating connection with the outer surface of the limiting rod (6), and the two rubber plates (9) are respectively connected to the surfaces, close to each other, of the two clamping plates (7) through a plurality of springs (10).