CN215114271U - Auxiliary clamping device for calibrating measuring rod for calibrating thread micrometer - Google Patents
Auxiliary clamping device for calibrating measuring rod for calibrating thread micrometer Download PDFInfo
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- CN215114271U CN215114271U CN202120905392.1U CN202120905392U CN215114271U CN 215114271 U CN215114271 U CN 215114271U CN 202120905392 U CN202120905392 U CN 202120905392U CN 215114271 U CN215114271 U CN 215114271U
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Abstract
The utility model belongs to the technical field of the calibration instrument, especially, relate to a screw micrometer is proofreaded and is used supplementary clamping device to volume pole calibration. The utility model discloses a base platform unit sets up bracing piece unit on the base platform unit, and set up be in on the bracing piece unit and be used for the grip block unit of vertical fixed thread micrometer school to use the gauge rod. The utility model has the advantages of supplementary thread micrometer proofreading is with the vertical fixed convenient calibration measurement of measuring staff, simple structure, the operation of being convenient for sets up elastic contraction device and the light centre gripping thread micrometer proofreading of slider simultaneously and uses the measuring staff and keep vertical stable state to and set up a plurality of movable connecting parts and make clamping device be convenient for disassemble carry and store.
Description
Technical Field
The utility model belongs to the technical field of the calibration instrument, especially, relate to a screw micrometer is proofreaded and is used supplementary clamping device to volume pole calibration.
Background
The calibration instrument is a tool instrument used in physical calibration, detection, etc. Common calibration instruments include vertical optical meters and the like, but the existing vertical optical meters are often only provided with a support plane such as a stage for supporting an object to be measured, for an irregular object to be measured, it is difficult to achieve an accurate calibration effect, for example, a gauge rod for calibrating a micrometer screw is a calibration tool for calibrating a micrometer screw, generally a vertical optical gauge is required to calibrate in advance, however, the gauge rod for calibrating the micrometer screw has an irregular shape, one end of the rod is conical, and cannot be well maintained in a vertical state for calibration, and a tester often needs to hold a reluctant support with a hand, however, the problem of manual support is that the object to be measured cannot be maintained in a vertical state, and a tilt phenomenon is easily generated, which results in inaccurate measurement result, therefore, an auxiliary clamping device for calibration of an object to be measured which is not easy to vertically place is urgently needed in the market.
An article with DOI of 10.13228/j.boyuan.issn1002-1183.2016.0039 and published date of 2016.11.26 discloses a novel method for verifying a measuring rod for calibrating a screw micrometer, and under the condition that a three-pin and a groove gauge with the sizes required by regulations are not provided, the method realizes verification on a precision optical meter by using the existing three-pin in a laboratory and using a block gauge and a clamp combined measuring block to replace the groove gauge. And formula derivation is carried out through the geometric relationship of the verification method, so that verification personnel can be helped to fully understand related contents in the procedure, another verification method is provided for the verification personnel, and a new thought is provided for solving similar problems in verification.
Although the article solves the problem of the vertical measurement and calibration of the measuring rod for the calibration of the screw micrometer; the journal does not provide an effective method or an effective means of how to keep the micrometer gauge calibration measuring rod upright during calibration measurements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a screw micrometer school is to using auxiliary clamping device for staff calibration, the utility model discloses a base platform unit sets up bracing piece unit on the base platform unit, and set up be in on the bracing piece unit and be used for the grip block unit of vertical fixed screw micrometer school to using the measuring staff. The utility model has the advantages of supplementary thread micrometer proofreading is with the vertical fixed convenient calibration measurement of measuring staff, simple structure, the operation of being convenient for sets up elastic contraction device and the light centre gripping thread micrometer proofreading of slider simultaneously and uses the measuring staff and keep vertical stable state to and set up a plurality of movable connecting parts and make clamping device be convenient for disassemble carry and store.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a screw micrometer is proofreaded and is used supplementary clamping device of volume pole calibration, includes base platform unit, sets up bracing piece unit on the base platform unit, and set up be in on the bracing piece unit and be used for the vertical clamping block unit who fixes the volume pole for the screw micrometer calibration.
The further preferred technical scheme is as follows: the clamping block unit comprises two clamping blocks which are used for clamping a measuring rod for calibrating the screw micrometer and the inner side surfaces of which are arc-shaped.
The further preferred technical scheme is as follows: the clamping block unit further comprises paired tension spring grooves respectively formed in the opposite end faces of the clamping blocks, tension spring rods arranged on the tension spring grooves in a relative mode, and tension springs arranged on the side faces of the tension spring grooves and used for being connected with the tension spring rods.
The further preferred technical scheme is as follows: the clamping block unit further comprises paired sliding grooves which are formed in the opposite end faces of the two clamping blocks respectively, and sliding rods which are arranged on the two opposite sliding grooves.
The further preferred technical scheme is as follows: the clamping block unit further comprises limiting rings which are arranged in the tension spring groove and the sliding groove and are used for clamping the tension spring rod and the sliding rod respectively.
The further preferred technical scheme is as follows: the clamping block unit further comprises a clamping groove arranged on the sliding rod and a clamping column arranged on the inner side wall of the sliding groove and clamped in the clamping groove.
The further preferred technical scheme is as follows: the base table unit comprises a base block arranged on a horizontal plane and a base groove arranged on the base block; the supporting rod unit comprises a vertical rod arranged on the base groove.
The further preferred technical scheme is as follows: the base table unit also comprises a limit groove arranged on the side surface of the base groove; the bottom support rod unit further comprises a jacking block which is arranged on the side face of the vertical rod and is clamped in the limiting groove.
The further preferred technical scheme is as follows: the supporting rod unit further comprises a transverse rod arranged on the vertical rod and an inserting groove arranged on the lower surface of the transverse rod and used for inserting the vertical rod.
The further preferred technical scheme is as follows: the clamping block unit further comprises a mounting groove which is arranged on the clamping block and used for being sleeved with the transverse rod.
The utility model discloses a base platform unit sets up bracing piece unit on the base platform unit, and set up be in on the bracing piece unit and be used for the grip block unit of vertical fixed thread micrometer school to use the gauge rod. The utility model has the advantages of supplementary thread micrometer proofreading is with the vertical fixed convenient calibration measurement of measuring staff, simple structure, the operation of being convenient for sets up elastic contraction device and the light centre gripping thread micrometer proofreading of slider simultaneously and uses the measuring staff and keep vertical stable state to and set up a plurality of movable connecting parts and make clamping device be convenient for disassemble carry and store.
Drawings
Fig. 1 is the structure schematic diagram of the measuring rod for calibrating the clamping thread micrometer of the middle clamping device of the utility model.
Fig. 2 is a schematic structural diagram of a top view of the middle clamping device of the present invention.
Fig. 3 is a schematic structural view of the joint of the two clamping blocks of the present invention.
Fig. 4 is a schematic structural view of the joint between the middle base unit and the support rod unit of the present invention.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3 and 4, a range-adjustable vertical optical gauge includes a base table unit 1, a support rod unit 2 disposed on the base table unit 1, and a clamping block unit 3 disposed on the support rod unit 2 and used for vertically fixing a measuring rod B for calibrating a micrometer.
In this embodiment, base platform unit 1 is used for the installation bracing piece unit 2 and gives the holding power, base platform unit 1 has enough big quality and makes bracing piece unit 2 and the clamping block unit 3 that sets up on bracing piece unit 2 can not topple over when using, clamping block unit 3 plays two effects, and firstly, fixed screw micrometer proofreads and uses measuring staff B and can not produce when making to measure and rock, secondly makes screw micrometer proofreads and uses measuring staff B and horizontal plane A to keep the vertical relation, does benefit to accurate measurement.
The clamping block unit 3 comprises two clamping blocks 301 which are used for clamping a measuring rod B for calibrating the screw micrometer and the inner side surfaces of which are arc-shaped.
In this embodiment, two clamping blocks 301 are generally provided, which aims to form two opposite acting forces on a straight line to perform the clamping function, and compared with the clamping function of a clamping type performed by only providing one clamping block 301, the clamping function of the extrusion type is firmer.
In addition, will the grip block 301 sets up to the arc for better with the arc side laminating of micrometer caliper proofreading with measuring staff B for can not produce the phenomenon of rocking after the centre gripping, the centre gripping is more stable.
The clamping block unit 3 further comprises paired tension spring grooves 302 respectively formed in the opposite end faces of the two clamping blocks 301, tension spring rods 303 respectively formed in the opposite tension spring grooves 302, and tension springs 304 respectively formed on the side faces of the tension spring grooves 302 and connected with the tension spring rods 303.
In this embodiment, as shown in fig. 3, when clamping the micrometer caliper calibration bar B, first, the two clamping blocks 301 are opened in the left-right direction, the tension spring 304 is in an extended state under the action of the tension spring rod 303, then the micrometer caliper calibration bar B is placed in the clamping blocks, and then the clamping blocks 301 are released, so that the clamping blocks 301 are pressed on the side surface of the micrometer caliper calibration bar B by the tension spring 304 in the tension spring rod 303, and the clamping process is completed.
The clamping block unit 3 further includes a pair of slide grooves 305 provided on opposite end surfaces of the two clamping blocks 301, respectively, and slide bars 306 provided on the opposite slide grooves 305.
In this embodiment, the sliding rod 306 is advantageous in helping the spring rod 303 to offset a portion of the bending force from the clamping block 301, reducing the sliding friction between the spring rod 303 and the side surface of the spring groove 302, and improving the service life of the spring rod 303.
The clamping block unit 3 further comprises a limiting ring 307 arranged in the tension spring groove 302 and the sliding groove 305 and used for clamping the tension spring rod 303 and the sliding rod 306 respectively.
In this embodiment, the annular inner side surface of the limiting ring 307 is smoothed, so that the sliding friction between the tension spring rod 303 and the sliding rod 306 can be further reduced, the service lives of the tension spring rod 303 and the sliding rod 306 can be prolonged, the clamping process is smoother, and the phenomenon of locking cannot be generated.
The clamping block unit 3 further includes a locking groove 308 disposed on the sliding rod 306, and a locking post 309 disposed on the inner sidewall of the sliding groove 305 and locked in the locking groove 308.
In this embodiment, the engaging post 309 is inserted into the sliding rod 306 through the engaging groove 308, and when the sliding rod 306 receives a bending force from the clamping block 301, the sliding rod 306 can be effectively supported, thereby preventing the sliding rod 306 from being bent or even broken.
In addition, the engaging post 309 can limit the sliding rod 306 to be located at the center of the limiting ring 307, so as to avoid the sliding rod 306 from rubbing one side of the inner side surface of the limiting ring 307 for a long time to cause a wear phenomenon.
The base table unit 1 includes a base block 101 disposed on a horizontal plane a, and a base groove 102 disposed on the base block 101; the support bar unit 2 includes a vertical bar 201 provided on the base groove 102.
In this embodiment, the base block 101 is made of a high-quality object, the quality is generally above 5kg, and the falling phenomenon caused by the pulling force of the screw micrometer calibration measuring rod B on the support rod unit 2 and the clamping block unit 3 mounted thereon is avoided.
In addition, the vertical rod 201 is clamped into the base groove 102 in the direction perpendicular to the horizontal plane A, and compared with the fixed installation on the base block 101, the movable installation mode enables the whole device to be more portable and easy to store.
The base table unit 1 further includes a limit groove 103 provided on a side surface of the base groove 102; the bottom support rod unit 2 further comprises a jacking block 202 which is arranged on the side surface of the vertical rod 201 and clamped in the limiting groove 103.
In this embodiment, as shown in fig. 4, the jacking block 202 is inserted into the limiting groove 103 from top to bottom, so that on one hand, the vertical rod 201 is prevented from rotating to affect the clamping effect, and on the other hand, the jacking block 202 jacks up the side wall of the limiting groove 103 to prevent the vertical rod 201 from shaking to affect the accuracy of measurement.
The supporting rod unit 2 further comprises a transverse rod 203 arranged on the vertical rod 201, and an insertion groove 204 arranged on the lower surface of the transverse rod 203 and used for inserting the vertical rod 201.
In this embodiment, the transverse rod 203 is installed on the vertical rod 201, and only the inserting groove 204 needs to be sleeved on the top end of the vertical rod 201, and the inserting groove 204 is arranged to enable the vertical rod 201 and the transverse rod 203 to be movably connected, so that compared with a fixed connection mode, the movable connection mode enables the whole device to be more portable and easy to store.
The clamping block unit 3 further comprises a mounting groove 310 which is arranged on the clamping block 301 and is used for being sleeved with the transverse rod 203.
In this embodiment, the mounting groove 310 is used for mounting one end of the transverse rod 203, so that the support rod unit 2 and the clamping block unit 3 realize a movable connection mode, and are more convenient to store and carry compared with a fixed connection mode.
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 modifications can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the appended claims.
Claims (10)
1. The utility model provides a screw micrometer is proofreaded and is used supplementary clamping device of volume pole calibration which characterized in that: the clamping device comprises a base table unit (1), a support rod unit (2) arranged on the base table unit (1), and a clamping block unit (3) arranged on the support rod unit (2) and used for vertically fixing a thread micrometer for calibrating a measuring rod (B).
2. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) comprises two clamping blocks (301) which are used for clamping a measuring rod (B) for calibrating the screw micrometer and the inner side surfaces of which are arc-shaped.
3. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) further comprises paired tension spring grooves (302) which are respectively formed in the opposite end faces of the two clamping blocks (301), tension spring rods (303) which are arranged on the two opposite tension spring grooves (302), and tension springs (304) which are arranged on the side faces of the tension spring grooves (302) and are used for being connected with the tension spring rods (303).
4. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) further comprises a pair of sliding grooves (305) respectively arranged on the opposite end surfaces of the two clamping blocks (301), and sliding rods (306) arranged on the opposite two sliding grooves (305).
5. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) further comprises limiting rings (307) which are arranged in the tension spring groove (302) and the sliding groove (305) and are used for clamping the tension spring rod (303) and the sliding rod (306) respectively.
6. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) further comprises a clamping groove (308) arranged on the sliding rod (306), and a clamping column (309) arranged on the inner side wall of the sliding groove (305) and clamped in the clamping groove (308).
7. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the base table unit (1) comprises a base block (101) and a base groove (102) arranged on the base block (101); the support rod unit (2) comprises a vertical rod (201) arranged on the base groove (102).
8. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the base table unit (1) further comprises a limiting groove (103) arranged on the side surface of the base groove (102); the bottom support rod unit (2) further comprises a jacking block (202) which is arranged on the side surface of the vertical rod (201) and clamped in the limiting groove (103).
9. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the supporting rod unit (2) further comprises a transverse rod (203) arranged on the vertical rod (201), and an inserting groove (204) arranged on the lower surface of the transverse rod (203) and used for inserting the vertical rod (201).
10. The thread micrometer calibration measuring rod auxiliary clamping device is characterized in that: the clamping block unit (3) further comprises a mounting groove (310) which is arranged on the clamping block (301) and is used for being sleeved with the transverse rod (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905392.1U CN215114271U (en) | 2021-04-29 | 2021-04-29 | Auxiliary clamping device for calibrating measuring rod for calibrating thread micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905392.1U CN215114271U (en) | 2021-04-29 | 2021-04-29 | Auxiliary clamping device for calibrating measuring rod for calibrating thread micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215114271U true CN215114271U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120905392.1U Active CN215114271U (en) | 2021-04-29 | 2021-04-29 | Auxiliary clamping device for calibrating measuring rod for calibrating thread micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215114271U (en) |
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2021
- 2021-04-29 CN CN202120905392.1U patent/CN215114271U/en active Active
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Effective date of registration: 20220330 Address after: No.300 Xiasha Road, Hangzhou, Zhejiang 310018 Patentee after: ZHEJIANG MEASUREMENT SCIENCE Research Institute Address before: 310023 building 4, No. 56, Liuhe Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG FANGZHENG CALIBRATION Co.,Ltd. |