CN216012002U

CN216012002U - Dial indicator calibrating device

Info

Publication number: CN216012002U
Application number: CN202122078408.9U
Authority: CN
Inventors: 杨证宇; 杨鹏; 邓剑雄
Original assignee: Yunnan Xiangrui Inspection Technology Co ltd
Current assignee: Yunnan Xiangrui Inspection Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a percentage table calibrating installation, the utility model relates to a metrological detection field, the utility model discloses simple structure, including base and bearing platform, four threaded sleeve are fixed to the up end of base, the bearing platform is located the top of base, four turnings in bottom of bearing platform all are equipped with small-size pillar, base up end right side is fixed with the socket, socket interpolation is equipped with the slide bar, sliding connection has movable sleeve on the slide bar, movable sleeve's surface is equipped with the spacer pin, movable sleeve clamps the sleeve through extending a fixedly connected with, it is equipped with the fitting pin on the sleeve to clamp, it has the percentage table to lock in the sleeve, the percentage table is located the top of bearing platform and has placed the check and decide the piece in the upper surface of bearing platform under it, reasonable in design, high durability and convenient use can examine and determine the percentage table fast, and the degree of accuracy of examining is high, has stronger practical value.

Description

Dial indicator calibrating device

Technical Field

The utility model relates to a measurement and detection field, in particular to percentage table calibrating installation.

Background

The dial indicator is a meter-type universal length measuring tool manufactured by utilizing a precise rack and pinion mechanism. The measuring head is generally composed of a measuring head, a measuring rod, a shockproof spring, a rack, a gear, a hairspring, a round dial, a pointer and the like.

Since the sensitivity of the dial indicator is very high and causes errors if there is a slight change, it is necessary to calibrate the dial indicator before it is used, but there is no device that can conveniently and quickly calibrate the dial indicator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a percentage table calibrating installation can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a percentage table calibrating installation, includes base and bearing platform, four threaded sleeve are fixed to the up end of base, the bearing platform is located the top of base, four turnings in the bottom of bearing platform all are equipped with small-size pillar, base up end right side is fixed with the grafting sleeve, the grafting sleeve interpolation is equipped with the slide bar, sliding connection has movable sleeve on the slide bar, movable sleeve's surface is equipped with the spacer pin, movable sleeve clamps the sleeve through extending a fixedly connected with, it is equipped with the fitting pin to clamp on the sleeve, it has the percentage table to clamp the locking in the sleeve, the percentage table is located the top of bearing platform and has placed the check and decide the piece in the upper surface of bearing platform under it.

Preferably, the four small-sized pillars are respectively inserted into corresponding threaded sleeves, thread grooves are formed in the outer surfaces of the four small-sized pillars, and the tops of the threaded sleeves are rotatably connected with rotating rings.

Preferably, the rotating ring is in threaded connection with the outer surface of the small-sized pillar, and the outer surface of the rotating ring is provided with anti-skid threads.

Preferably, two bubble levels are embedded in the upper end face of the bearing table and are vertically arranged.

Preferably, the inner side wall of the plug sleeve is bonded with a rubber cushion, and the outer surface of the plug sleeve is provided with a fastening pin.

Preferably, the calibration block is a rectangular metal block structure body with a certain height, four calibration foundation pits with different depths are formed in the upper end face of the calibration block, and the depth values of the four calibration foundation pits are different fixed values.

Preferably, the dial indicator comprises an indicator body, a fixing rod is arranged at the bottom of the indicator body, a measuring rod is movably connected in the fixing rod, a measuring head is arranged at the bottom of the measuring rod, and the bottom of the measuring head is abutted to the upper end face of the detection block.

Preferably, the fixed rod is matched with the clamping sleeve, a plastic moving block is clamped on the outer surface of the measuring rod, and a notch is formed in the lower end face of the plastic moving block.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a bottom of the measuring head that the percentage table set up and the up end looks butt of examining the check block, can carry out the zeroing adjustment with the percentage table, have plastics movable block so that conveniently move the measuring stick upwards through the surface joint of measuring stick, remove and examine the check block, make the measuring head can measure the verification foundation ditch of different depth values, can be used for confirming the accuracy after the calibration of percentage table, need not to use the check block of different height, make the operation more simple and convenient;

2. the utility model discloses an whether the bubble in observing two bubble spirit levels that set up is in the intermediate position and confirms whether the bearing platform is in the horizontality, and the swivel ring that the rethread set up highly carries out the micro-adjustment to four turnings of bearing platform for the bearing platform can be in the horizontality completely, and the deviation appears when avoiding examining and determine, thereby has improved the accuracy of examination.

Drawings

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

fig. 2 is a top view of the appearance structure of the bearing table of the present invention;

FIG. 3 is a cross-sectional view of the overall structure of the calibration block of the present invention;

FIG. 4 is a schematic view of the appearance structure of the dial indicator of the present invention;

fig. 5 is an enlarged view of a portion of a structure at a in fig. 1.

In the figure: 1. a base; 101. a threaded sleeve; 102. a rotating ring; 2. a bearing table; 201. a small pillar; 3. inserting a sleeve; 301. a slide bar; 302. a fastening pin; 303. a movable sleeve; 304. a spacing pin; 305. an extension frame; 306. clamping the sleeve; 307. a locking pin; 4. a dial indicator; 401. a watch body; 402. fixing the rod; 403. a measuring rod; 404. a measuring head; 5. a detection block; 501. detecting a foundation pit; 6. a bubble level; 7. a plastic moving block; 701. a notch.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the dialgage calibrating device comprises a base 1 and a bearing table 2, four threaded sleeves 101 are fixed on the upper end face of the base 1, the bearing table 2 is located above the base 1, small-sized pillars 201 are arranged at four corners of the bottom of the bearing table 2, an inserting sleeve 3 is fixed on the right side of the upper end face of the base 1, a sliding rod 301 is inserted into the inserting sleeve 3, a movable sleeve 303 is connected onto the sliding rod 301 in a sliding manner, a limiting pin 304 is arranged on the outer surface of the movable sleeve 303, a clamping sleeve 306 is fixedly connected onto the movable sleeve 303 through an extending frame 305, a locking pin 307 is arranged on the clamping sleeve 306, a dialgage 4 is locked in the clamping sleeve 306, and a calibrating block 5 is placed on the upper surface of the bearing table 2, and located above and under the bearing table 2, of the dialgage 4.

Referring to fig. 5, four small-sized pillars 201 are respectively inserted into the corresponding threaded sleeves 101, and each of the small-sized pillars has a threaded groove on an outer surface thereof, and a rotating ring 102 is rotatably connected to a top of the threaded sleeve 101.

Referring to fig. 5, the rotating ring 102 is in threaded connection with the outer surface of the small-sized pillar 201, and the outer surface of the rotating ring 102 is provided with anti-slip threads, so that the heights of four corners of the bearing table 2 can be adjusted by rotating the rotating ring 102, so that the bearing table 2 can be in a horizontal state, and deviation during calibration is avoided.

Referring to fig. 2, two bubble levels 6 are embedded in the upper end surface of the bearing platform 2, the two bubble levels 6 are vertically arranged, and whether the bearing platform 2 is in a horizontal state can be determined by observing whether bubbles in the bubble levels 6 are in the middle position.

Referring to fig. 1, a rubber cushion is bonded to the inner side wall of the insertion sleeve 3, a fastening pin 302 is arranged on the outer surface of the insertion sleeve 3, the arranged rubber cushion can improve the stabilizing effect of the insertion sleeve 3 on the sliding rod 301, and the sliding rod 301 can be further fastened by matching with the fastening pin 302, so that the sliding rod 301 is prevented from being in a loose state to cause deviation in verification of the dial indicator 4, and the use of the dial indicator 4 is affected.

Referring to fig. 3, the calibration block 5 is a rectangular metal block structure with a certain height, four calibration foundation pits 501 with different depths are formed in the upper end face of the calibration block 5, the depth values of the four calibration foundation pits 501 are different fixed values, so that the calibration block 5 has good structural strength and long service life, is not prone to deformation and affects the calibration accuracy, can be used for directly calibrating the dial indicator 4 with a certain height, and then determines the calibration accuracy of the dial indicator 4 through the calibration foundation pits 501 with four different depths.

Referring to fig. 4, the dial indicator 4 includes a meter body 401, a fixing rod 402 is disposed at the bottom of the meter body 401, a measuring rod 403 is movably connected in the fixing rod 402, a measuring head 404 is disposed at the bottom of the measuring rod 403, and the bottom of the measuring head 404 abuts against the upper end surface of the calibration block 5.

Referring to fig. 1 and 4, the fixing rod 402 is adapted to the clamping sleeve 306, the plastic moving block 7 is clamped on the outer surface of the measuring rod 403, and a notch 701 is formed in the lower end surface of the plastic moving block 7, so that the measuring rod 403 can be moved upwards conveniently, and the measuring head 404 can measure the calibration foundation pits 501 with different depth values.

It should be noted that, the utility model relates to a dial indicator calibrating device, when in use, because the slide bar 301 is inserted in the inserting sleeve 3, thereby the slide bar 301 can be disassembled, and the device is more favorable for storing, the inner side wall of the inserting sleeve 3 is bonded with a rubber cushion, which can improve the stabilizing effect of the inserting sleeve 3 to the slide bar 301, the slide bar 301 can be further fastened through the fastening pin 302, the slide bar 301 is prevented from being in a loose state so as to cause the deviation of the calibration of the dial indicator 4, thereby the use of the dial indicator 4 is influenced, the outer surfaces of four small-sized pillars 201 arranged at the bottom of the bearing platform 2 are all provided with thread grooves and are respectively inserted in the corresponding thread sleeves 101, the top of the thread sleeves 101 is rotatably connected with a rotating ring 102, and the upper end surface of the bearing platform 2 is embedded with two vertically arranged bubble level meters 6, whether the bearing platform 2 is in a horizontal state can be determined by observing whether the bubbles in the bubble level meters 6 are in the middle position, the heights of four corners of the four bearing platforms 2 are finely adjusted by rotating the rotating ring 102, so that the bearing platforms 2 can be in a horizontal state, and deviation during verification is avoided, because the fixing rod 402 of the dial indicator 4 is matched with the clamping sleeve 306, the dial indicator 4 can be locked by the locking pin 307, the bottom of the measuring head 404 is abutted against the upper end face of the verification block 5, the height of the verification block 5 is fixed, the dial indicator 4 can be adjusted to zero, the verification block 5 is a rectangular metal block-shaped structure body with a fixed height, so that the verification block 5 has good structural strength and long service life, deformation is not easy to occur to influence the verification accuracy, the outer surface of the measuring rod 403 is clamped with the plastic moving block 7, the lower end face of the plastic moving block 7 is provided with the notch 701, the measuring rod 403 is convenient to move upwards, the verification block 5 is moved, so that the measuring head 404 can measure foundation pits 501 with different depth values, the method can be used for determining the accuracy of the dial indicator 4 after calibration and verification, and the calibration blocks 5 with different heights are not needed, so that the operation is simpler and more convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a percentage table calibrating installation, includes base (1) and bearing platform (2), its characterized in that: four threaded sleeves (101) are fixed on the upper end surface of the base (1), the bearing platform (2) is positioned above the base (1), four corners at the bottom of the bearing table (2) are provided with small-sized support columns (201), the right side of the upper end surface of the base (1) is fixed with an inserting sleeve (3), a sliding rod (301) is inserted in the insertion sleeve (3), the sliding rod (301) is connected with a movable sleeve (303) in a sliding way, the outer surface of the movable sleeve (303) is provided with a limit pin (304), the movable sleeve (303) is fixedly connected with a clamping sleeve (306) through an extension frame (305), a locking pin (307) is arranged on the clamping sleeve (306), a dial indicator (4) is locked in the clamping sleeve (306), the dial indicator (4) is positioned above the bearing table (2) and a detection block (5) is placed on the upper surface of the bearing table (2) under the dial indicator (4).

2. A dial gauge verification device according to claim 1, wherein: the four small-sized support columns (201) are respectively inserted into the corresponding threaded sleeves (101), thread grooves are formed in the outer surfaces of the four small-sized support columns, and the tops of the threaded sleeves (101) are rotatably connected with rotating rings (102).

3. A dial gauge verification device according to claim 2, wherein: the rotating ring (102) is in threaded connection with the outer surface of the small strut (201), and anti-skid grains are arranged on the outer surface of the rotating ring (102).

4. A dial gauge verification device according to claim 1, wherein: the upper end face of the bearing table (2) is embedded with two bubble levels (6), and the two bubble levels (6) are vertically arranged.

5. A dial gauge verification device according to claim 1, wherein: the inside wall of grafting sleeve (3) bonds and has the rubber cushion, the surface of grafting sleeve (3) is equipped with fastening pin (302).

6. A dial gauge verification device according to claim 1, wherein: the detection block (5) is a rectangular metal block-shaped structure body with a certain height, four detection foundation pits (501) with different depths are arranged on the upper end face of the detection block (5), and the depth values of the detection foundation pits (501) are different definite values.

7. A dial gauge verification device according to claim 1, wherein: the dial indicator (4) comprises an indicator body (401), a fixing rod (402) is arranged at the bottom of the indicator body (401), a measuring rod (403) is movably connected in the fixing rod (402), a measuring head (404) is arranged at the bottom of the measuring rod (403), and the bottom of the measuring head (404) is abutted to the upper end face of a verification block (5).

8. A dialgage calibration device as claimed in claim 7, wherein: the fixed rod (402) is matched with the clamping sleeve (306), the outer surface of the measuring rod (403) is clamped with a plastic moving block (7), and the lower end face of the plastic moving block (7) is provided with a notch (701).