CN219390739U

CN219390739U - Dial gauge calibrating device

Info

Publication number: CN219390739U
Application number: CN202320355191.8U
Authority: CN
Inventors: 谢云理; 叶宇松; 陈小红
Original assignee: Xiamen Ridley Calibration Testing Technology Co ltd
Current assignee: Xiamen Ridley Calibration Testing Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-21
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses a dial indicator calibration device, which comprises a base, wherein a vertical rod is fixedly arranged on the right side of the base, a thread groove is formed in the inner side of the vertical rod, and a threaded rod is connected in the thread groove in a threaded manner; further comprises: the sliding rod is connected to the left end of the threaded rod through a bearing, a sliding groove is formed in the inner side of the sliding rod, and a supporting rod is arranged in the sliding groove in a sliding mode; a limiting column is fixedly arranged on the upper surface of the sliding rod; the limiting block is fixedly arranged on the upper surface of the base, a rotating rod is rotatably arranged in the limiting block, a gear is fixedly connected to the outer side of the rotating rod, and meanwhile, the upper end of the gear is in meshed connection with a left rack; the left side clamp is fixedly arranged at the front end of the left rack, the right rack is connected with the lower end of the gear in a meshed mode, and the right side clamp is fixedly arranged at the front end of the right rack. The dial indicator calibrating device is arranged on the front side of the limiting block in a sliding mode through the sliding rod, and can drive the measuring head at the lower end of the dial indicator body to roll so as to calibrate the length measuring mode of the dial indicator body.

Description

Dial gauge calibrating device

Technical Field

The utility model relates to the technical field of calibration devices, in particular to a dial indicator calibration device.

Background

In the field of engineering detection, accurate measurement of length or depth is often required to be performed on the surface of an object, in order to enable measurement data to be more accurate, a dial gauge is generally adopted, the dial gauge is a measuring tool for converting general linear displacement into rotary motion of a pointer through a gear or a lever, when the measuring tool is used, calibration is required to be performed relative to the dial gauge, and then a measuring head of the dial gauge is moved, so that a measurement result can be read on a dial of the dial gauge;

the utility model discloses a number CN212567184U is a dial gauge calibration device, including the base, the dial gauge is fixed in on the base through dial gauge fixing device, riser I and riser II are vertical to be installed respectively on the base, and the pivot, its axis sets up along the horizontal direction, be provided with the screw rod in the pivot, grating ruler, the level is installed between riser I and riser II, installs the nut seat on the grating ruler slider of grating ruler, install the nut in the nut seat, nut and screw thread transmission connection, the device makes the push pedal contact and promote with the contact of dial gauge through rotating the pivot, compares with the data that the dial gauge read out according to the change of dial gauge pointer position, can examine the dial gauge, its calibration of being convenient for;

but the device only can calibrate the degree of depth measurement mode of amesdial, can't calibrate the measurement mode that length moved about the amesdial, and the device is fixed the amesdial through manual rotation hand screw bolt, but only through manual rotation hand screw bolt easily makes the fastening effect of amesdial not good, leads to the amesdial not to be in horizontal position under the effect of gravity to lead to the follow-up calibration to the amesdial to have the error, be unfavorable for popularization and use with the device.

Disclosure of Invention

The utility model aims to provide a dial indicator calibration device, which aims to solve the problems that the device on the market at present, which is proposed by the background technology, only can calibrate the depth measurement mode of the dial indicator, the measurement mode of the dial indicator with left and right length movement cannot be calibrated, the device fixes the dial indicator by manually rotating a manual bolt, but the fastening effect of the dial indicator is not good only by manually rotating the manual bolt, and the dial indicator is not in a horizontal position under the action of gravity, so that the subsequent calibration of the dial indicator has errors, and the popularization and the use of the device are not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dial indicator calibration device comprises a base, wherein a vertical rod is fixedly arranged on the right side of the base, a thread groove is formed in the inner side of the vertical rod, and a threaded rod is connected in the thread groove in a threaded manner;

further comprises:

the sliding rod is connected to the left end of the threaded rod through a bearing, a sliding groove is formed in the inner side of the sliding rod, a supporting rod is arranged in the sliding groove in a sliding mode, the front end of the supporting rod is connected with a stand column through the bearing, and meanwhile the rear end of the supporting rod is connected with a limiting block through the bearing;

the upright post is fixedly arranged on the upper surface of the base, a limit post is fixedly arranged on the upper surface of the slide bar, and a graduated scale is arranged on the right side of the limit post on the upper surface of the slide bar;

the limiting block is fixedly arranged on the upper surface of the base, a cavity is formed in the limiting block, the rotating rod is rotationally arranged in the limiting block, a gear is fixedly connected to the outer side of the rotating rod, and meanwhile, the upper end of the gear is connected with a left rack in a meshed mode;

the left side clamp is fixedly arranged at the front end of the left rack, the right rack is connected with the lower end of the gear in a meshed mode, and the right side clamp is fixedly arranged at the front end of the right rack.

Preferably, the stopper front side is fixed and is provided with the support frame, and the through-hole has been seted up to the support frame lower extreme to the support frame inboard is provided with the amesdial body, places the amesdial body through the support frame, so that the support frame can carry out the location of vertical direction to the amesdial body.

Preferably, the right end of the threaded rod is fixedly connected with a handle, and an anti-skid sleeve is sleeved outside the horizontal part of the handle, so that the threaded rod can be conveniently rotated through the handle.

Preferably, the upper surface of the left rack and the lower surface of the right rack are fixedly provided with convex blocks, the limiting block is internally provided with notch corresponding to the convex blocks, the left rack and the right rack form a sliding structure through the convex blocks and the notch, and the left rack and the right rack can slide in the limiting block through the convex blocks and the notch, so that the structure is more stable.

Preferably, the sliding tray that supplies left side clamp and right side clamp to remove has been seted up to the stopper front side, and left side clamp and right side clamp front end are the arc structure setting, and the left side clamp of being convenient for can fix a position the amesdial body with right side clamp for the calibration result is more accurate.

Preferably, the pull rod is arranged in the rear end of the rotating rod in a sliding manner, a spring is sleeved outside the front end of the pull rod, a limiting groove is formed in the rear side of the limiting block, the limiting groove is annularly arranged by taking the rotating rod as an axis at equal angles, one of the limiting grooves is connected with the pull rod in a contact manner, and the rotating rod can be limited and fixed through the pull rod, so that the structure is more stable.

Compared with the prior art, the utility model has the beneficial effects that: this amesdial calibrating device sets up in the stopper front side through the slide bar slip, can drive amesdial body lower extreme gauge head and roll to the calibration of length measurement mode is carried out to the amesdial body to its concrete content is as follows:

(1) The sliding rod and the threaded rod are arranged on the front side of the limiting block in a sliding manner, so that the sliding rod can drive the measuring head at the lower end of the dial indicator body to roll, and meanwhile, the reading of the graduated scale on the sliding rod and the reading of the dial on the dial indicator body can be read out, so that the measuring mode of the left-right length movement of the dial indicator body can be calibrated rapidly;

(2) Be provided with the bull stick, can drive the rotation of gear through the rotation of bull stick for left side presss from both sides and right side presss from both sides can fix a position the amesdial body, be convenient for the amesdial body from this set up perpendicularly in the slide bar top, be convenient for then fine to the amesdial body calibrate.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of a stopper of the present utility model in a top-down view;

FIG. 4 is a schematic diagram of a front cross-sectional structure of a stopper according to the present utility model;

fig. 5 is a schematic diagram of a rear view structure of the stopper according to the present utility model.

In the figure: 1. a base; 2. a vertical rod; 3. a limiting block; 4. a column; 5. a threaded rod; 6. a slide bar; 7. a chute; 8. a support rod; 9. a limit column; 10. a graduated scale; 11. a dial gauge body; 12. a support frame; 13. a rotating rod; 14. a gear; 15. a left rack; 151. a left side clip; 16. a right rack; 161. a right side clip; 17. a handle; 18. a pull rod; 181. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the dial indicator calibration device comprises a base 1, wherein a vertical rod 2 is fixedly arranged on the right side of the base 1, a thread groove is formed in the inner side of the vertical rod 2, and a threaded rod 5 is connected in the thread groove in a threaded manner; the front side of the limiting block 3 is fixedly provided with a supporting frame 12, the lower end of the supporting frame 12 is provided with a through hole, and the inner side of the supporting frame 12 is provided with a dial indicator body 11; placing the dial indicator body 11 in a supporting frame 12 fixedly arranged at the front side of a limiting block 3, enabling a measuring head at the lower end of the dial indicator body 11 to penetrate through a through hole formed in the supporting frame 12, enabling the measuring head at the lower end of the dial indicator body 11 to contact the upper surface of a sliding rod 6, sliding a pull rod 18 in the rear end of a rotating rod 13 after the dial indicator body 11 is placed, sleeving a spring on the outer side of the front end of the pull rod 18, and forming a limiting groove at the rear side of the limiting block 3, wherein the limiting groove is annularly arranged at an equal angle by taking the rotating rod 13 as an axle center, and one of the limiting grooves is internally contacted with the pull rod 18; the pull rod 18 which is arranged on the rotating rod 13 at the rear side of the limiting block 3 in a sliding way is manually pulled, so that the front end of the pull rod 18 is separated from a limiting groove formed in the rear side of the limiting block 3, meanwhile, the pull rod 18 compresses a spring 181, the limiting block 3 is fixedly arranged on the upper surface of the base 1, a cavity is formed in the limiting block 3, the rotating rod 13 is rotationally arranged in the limiting block 3, a gear 14 is fixedly connected to the outer side of the rotating rod 13, and meanwhile, the upper end of the gear 14 is in meshed connection with a left rack 15; then the rotating rod 13 is rotated, the rotation of the rotating rod 13 drives the gear 14 to rotate, the upper surface of the left rack 15 and the lower surface of the right rack 16 are fixedly provided with convex blocks, the limiting block 3 is internally provided with notches corresponding to the convex blocks, and the left rack 15 and the right rack 16 form a sliding structure with the limiting block 3 through the convex blocks and the notches; the gear 14 rotates to drive the left rack 15 and the right rack 16 to move through meshed connection, at this time, the left rack 15 and the right rack 16 move relatively, a sliding groove for the left clamp 151 and the right clamp 161 to move is formed in the front side of the limiting block 3, and the front ends of the left clamp 151 and the right clamp 161 are in arc-shaped structures; a left clamp 151 is fixedly arranged at the front end of the left rack 15, a right rack 16 is connected with the lower end of the gear 14 in a meshed manner, and a right clamp 161 is fixedly arranged at the front end of the right rack 16; the relative movement of the left rack 15 and the right rack 16 drives the left clamp 151 and the right clamp 161 to move relatively, the left clamp 151 and the right clamp 161 are contacted with the measuring head at the lower end of the dial indicator body 11, when the left clamp 151 and the right clamp 161 clamp the measuring head, the pull rod 18 is loosened, and the pull rod 18 is contacted with the limit groove under the reset action of the spring 181, so that the position of the rotating rod 13 is fixed, and the dial indicator body 11 is vertically fixed on the slide rod 6;

the handle 17 arranged on the right side of the vertical rod 2 is manually rotated, the handle 17 is fixedly connected to the right end of the threaded rod 5, and an anti-skid sleeve is sleeved on the outer side of the horizontal part of the handle 17; rotation of the handle 17 will drive the threaded rod 5 to rotate, further comprising: the sliding rod 6 is connected to the left end of the threaded rod 5 through a bearing, a sliding groove 7 is formed in the inner side of the sliding rod 6, a supporting rod 8 is arranged in the sliding groove 7 in a sliding mode, the front end of the supporting rod 8 is connected with the upright post 4 through the bearing, and meanwhile, the rear end of the supporting rod 8 is connected with the limiting block 3 through the bearing; the upright post 4 is fixedly arranged on the upper surface of the base 1, a limit post 9 is fixedly arranged on the upper surface of the slide bar 6, and a graduated scale 10 is arranged on the right side of the limit post 9 on the upper surface of the slide bar 6; the threaded rod 5 rotates to drive the sliding rod 6 to move through bearing connection, the sliding rod 6 moves to enable the measuring head at the lower end of the dial indicator body 11 to move on the upper surface of the sliding rod 6, the supporting rod 8 rotates in the sliding groove 7 at the moment, the handle 17 rotates until the measuring head at the lower end of the dial indicator body 11 contacts the limit column 9, data on the graduated scale 10 and data on the graduated scale of the dial indicator body 11 are read out, and the dial indicator body 11 can be calibrated according to comparison of the two groups of data.

Working principle: when the dial indicator calibration device is used, firstly, the dial indicator body 11 is placed in the supporting frame 12, the pull rod 18 is pulled, and the rotating rod 13 is rotated, so that the left clamp 151 and the right clamp 161 clamp the measuring head at the lower end of the dial indicator body 11; the handle 17 is turned to enable the measuring head at the lower end of the dial indicator body 11 to move on the upper surface of the sliding rod 6, and the dial indicator body 11 can be calibrated according to data on the graduated scale 10 and data on the dial indicator body 11, and details which are not described in detail in the specification belong to the prior art known to the person skilled in the art.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The dial indicator calibration device comprises a base (1), wherein a vertical rod (2) is fixedly arranged on the right side of the base (1), a thread groove is formed in the inner side of the vertical rod (2), and a threaded rod (5) is connected with the thread groove in a threaded manner;

characterized by further comprising:

the sliding rod (6) is connected to the left end of the threaded rod (5) through a bearing, a sliding groove (7) is formed in the inner side of the sliding rod (6), a supporting rod (8) is arranged in the sliding groove (7) in a sliding mode, the front end of the supporting rod (8) is connected with the upright post (4) through the bearing, and meanwhile, the rear end of the supporting rod (8) is connected with the limiting block (3) through the bearing;

the upright post (4) is fixedly arranged on the upper surface of the base (1), a limit post (9) is fixedly arranged on the upper surface of the sliding rod (6), and a graduated scale (10) is arranged on the right side of the limit post (9) on the upper surface of the sliding rod (6);

the limiting block (3) is fixedly arranged on the upper surface of the base (1), a cavity is formed in the limiting block (3), the rotating rod (13) is rotationally arranged in the limiting block (3), the gear (14) is fixedly connected to the outer side of the rotating rod (13), and meanwhile, the left rack (15) is connected to the upper end of the gear (14) in a meshed mode;

the front end of the left rack (15) is fixedly provided with a left clamp (151), the lower end of the gear (14) is connected with a right rack (16) in a meshed manner, and the front end of the right rack (16) is fixedly provided with a right clamp (161).

2. A dial gauge calibration apparatus as claimed in claim 1, wherein: the front side of the limiting block (3) is fixedly provided with a supporting frame (12), the lower end of the supporting frame (12) is provided with a through hole, and the inner side of the supporting frame (12) is provided with a dial indicator body (11).

3. A dial gauge calibration apparatus as claimed in claim 1, wherein: the right end of the threaded rod (5) is fixedly connected with a handle (17), and an anti-slip sleeve is sleeved on the outer side of the horizontal part of the handle (17).

4. A dial gauge calibration apparatus as claimed in claim 1, wherein: the upper surface of the left rack (15) and the lower surface of the right rack (16) are fixedly provided with protruding blocks, notch corresponding to the protruding blocks is formed in the limiting block (3), and the left rack (15) and the right rack (16) form a sliding structure through the protruding blocks and the notch matching with the limiting block (3).

5. A dial gauge calibration apparatus as claimed in claim 1, wherein: the front side of the limiting block (3) is provided with a sliding groove for the left clamp (151) and the right clamp (161) to move, and the front ends of the left clamp (151) and the right clamp (161) are in arc-shaped structures.

6. A dial gauge calibration apparatus as claimed in claim 1, wherein: the rotary rod (13) is provided with a pull rod (18) in a sliding manner at the rear end, a spring is sleeved outside the front end of the pull rod (18), a limit groove is formed in the rear side of the limit block (3), the limit groove is annularly arranged at an equal angle by taking the rotary rod (13) as an axle center, and one of the limit grooves is connected with the pull rod (18) in an inner contact manner.