CN110553562A

CN110553562A - Geometric quantity measuring and adjusting device

Info

Publication number: CN110553562A
Application number: CN201811330204.6A
Authority: CN
Inventors: 高宇海
Original assignee: GANSU INSTITUTE OF METROLOGY
Current assignee: GANSU INSTITUTE OF METROLOGY
Priority date: 2018-05-31
Filing date: 2018-11-04
Publication date: 2019-12-10
Also published as: CN208968407U

Abstract

The invention provides a geometric quantity measuring and adjusting device, which belongs to the technical field of measurement and comprises: the device comprises a base, a fixed bracket, a fine adjustment device, a lower wedge block, a swallow tail wing, an upper wedge block and a V-shaped bracket; through installation fixed bolster and guide bracket on the base, install micromatic setting on the fixed bolster, and screw rod and lower wedge fixed connection through micromatic setting, V-arrangement support and last wedge fixed connection, the swallow tail is installed to lower wedge bottom, it removes in the dovetail of base to promote lower wedge through rotating micromatic setting, wedge and V-arrangement support remove in vertical direction in promoting through the inclined plane down simultaneously, realize quick accurate quantization adjustment through the micrometer device, shorten the alignment time, improve work efficiency.

Description

Geometric quantity measuring and adjusting device

Technical Field

The invention relates to the technical field of measurement, in particular to a geometric quantity measurement adjusting device.

Background

In the field of geometric quantity measurement, when form and position errors such as coaxiality, position degree, roundness and the like of parts are measured, a V-shaped block is usually adopted as a supporting device, in order to obtain the best measurement state of a measured element, micro adjustment is needed, usually, a method is adopted that metal sheets or paper sheets and the like are added at the bottom of the V-shaped block or the side surface of a V-shaped groove for trial plug adjustment for many times, the adjustment needs trial adjustment, measurement and readjustment for many times according to the experience of personnel, the work is complicated, time and labor are wasted, even if the final adjustment is successful, a certain adjustment error also exists, the accuracy of a measurement result is influenced, the stability is poor, and the efficiency is low.

Disclosure of Invention

In order to overcome the defects that a V-shaped block device is adopted in the process of measuring the geometric quantity, repeated debugging is needed, the work is complicated, the adjustment error is large, and the work efficiency is low, the invention provides the geometric quantity measuring and adjusting device, which adopts a fine adjustment device and realizes quantitative adjustment of parts by controlling the movement quantity.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a geometric quantity measurement adjusting device, the on-line screen storage device comprises a base, the V-arrangement support, still include the fixed bolster, the guide bracket, micromatic setting, lower voussoir, go up the voussoir, install fixed bolster and guide bracket on the base, install micromatic setting on the fixed bolster, micromatic setting's screw rod and lower voussoir fixed connection, the swallow tail wing is installed to lower voussoir bottom, can remove in the dovetail of base, go up voussoir and V-arrangement support fixed connection, it is provided with the T-slot to go up voussoir both sides middle part, the arrangement has the pulley in the T-slot, the pulley passes through the pulley spindle and installs on.

The base lower part is provided with the recess, and base upper portion is provided with the dovetail, and base upper portion still is provided with two screws of installation fixed bolster and the screw of installing two guide brackets.

The fixing support is convex, the upper portion of the fixing support is provided with a through hole, the upper end of the through hole is provided with a screw hole, the lower portion of the fixing support is provided with two through holes connected with the base, and the fixing support is fixedly connected with the base through two fourth fastening screws.

The micro-adjustment device is a micrometer screw rod and is arranged in a through hole in the upper portion of the fixed support through a connecting handle and a first fastening screw, a 1mm reticle is arranged on the fixed sleeve, a 0.01mm reticle is arranged on the micro-barrel, a handle is arranged on the end face of the micro-barrel, the micro-barrel can rotate around the fixed sleeve, a groove is formed in the front end of the screw rod, and the screw rod is fixedly connected with the lower wedge block through a second fastening screw and the groove.

The bottom surface of the lower wedge block is provided with four screw holes, a swallow tail wing is installed through four fifth fastening screws and can move in a dovetail groove of the base, a blind hole is formed in the part connected with the screw, and 4 uniformly distributed counter bores and through holes are formed in the bottom of the swallow tail wing.

Two screw holes are formed in the upper surface of the upper wedge block corresponding to the through holes of the V-shaped support, and T-shaped grooves are formed in the middle of the two sides of the upper wedge block.

The upper wedge block and the lower wedge block are combined through an inclined working surface, the inclined angle of the upper wedge block and the lower wedge block is not larger than 15 degrees, 5 oil grooves are respectively arranged on the inclined working surface, and the oil grooves of the upper wedge block and the lower wedge block are staggered mutually.

The bottom surface of the groove of the V-shaped support is provided with two counter bores and a through hole, and the V-shaped support is fixedly connected with the upper wedge block through two bolts.

The guide support is L-shaped, through holes are formed in two ends of the guide support, one is arranged on each of the left side and the right side of the base and fixedly connected with the base through third fastening screws, a pulley shaft is arranged at the upper end of the guide support through a nut, a pulley is arranged at one end of the pulley shaft, and the pulley is arranged in a T-shaped groove of the upper wedge block and can move relatively.

The invention has the beneficial effects that: by adopting the structure, the micro-cylinder and the screw of the fine adjustment device push the lower wedge block to horizontally move on the base, the lower wedge block pushes the upper wedge block and the V-shaped support to move in the vertical direction, and the quantitative adjustment of the parts mounted on the V-shaped support can be realized through the number of the scales rotated by the micro-cylinder relative to the fixed sleeve.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of the present invention.

FIG. 3 is a left side view and a cross-sectional view of the lower wedge.

Fig. 4 is a schematic structural diagram of the fine adjustment device.

In the figure: 1. a base; 2. a fine adjustment device; 2-1, micro-drum; 2-2, a handle; 2-3, fixing the sleeve; 2-4, connecting the cylinder; 2-5, a screw; 2-6, a groove; 3. fixing a bracket; 4. a first fastening screw; 5. a second fastening screw; 6. blind holes; 7. a V-shaped bracket; 8. a guide bracket; 9. an upper wedge block; 10. a lower wedge block; 11. a third fastening screw; 12. a fourth fastening screw; 13. a nut; 14. a pulley shaft; 15. a bolt; 16. a T-shaped slot; 17. a pulley; 18. a swallow tail; 19. a dovetail groove; 20. an inclined working surface; 21. an oil sump; 22. and a fifth fastening screw.

Detailed Description

Further details are provided below with reference to the examples shown in the figures.

As shown in fig. 1 and 2, a geometry measuring and adjusting device comprises a base 1, a V-shaped bracket 7, a fixing bracket 3, a fine adjustment device 2, a guide bracket 8, a lower wedge 10 and an upper wedge 9, wherein a groove is arranged at the lower part of the base 1, a dovetail groove 19 is arranged at the upper part of the base 1, the fixing bracket 3 is arranged on the base 1 through two fourth fastening screws 12, the fine adjustment device 2 is arranged on the fixing bracket 3 through a first fastening screw 4 and a connecting cylinder 2-4, a screw rod 2-5 of the fine adjustment device 2 is inserted into a blind hole 6 of the lower wedge 10 and is fixedly connected with the lower wedge 10 through a second fastening screw 5 and a groove 2-6, a swallow tail 18 is arranged at the bottom surface of the lower wedge 10 through four fifth fastening screws 22 and can move in the dovetail groove 19 of the base, the upper wedge 9 is fixedly connected with the V-shaped bracket 7 through two bolts 15, two guide brackets 8 are arranged on two sides of the base 1 through third fastening screws 11, a pulley shaft 14 is arranged at the upper end of each guide bracket 8 through a nut 13, a pulley 17 is arranged at one end of each pulley shaft 14, and each pulley 17 is arranged in a T-shaped groove 16 of the upper wedge block 9 and can move relatively in the T-shaped groove 16.

During the use, rotate the micro-cylinder through the handle among the micro-adjustment device, the screw rod promotes wedge piece down along the dovetail horizontal migration of base, and wedge piece promotes wedge piece and V-arrangement support and removes in vertical direction down, can realize carrying out micro-adjustment to the installation spare part on the V-arrangement support, and its adjustment volume is confirmed through the groove number that micro-cylinder relatively fixed sleeve rotated, and this device convenient operation can be used to quick accurate adjustment in the geometric quantity form and position error measurement, improves work efficiency.

Claims

1. The utility model provides a geometric quantity measurement adjusting device, includes base (1), V-arrangement support (7), its characterized in that: the wedge-shaped structure is characterized by further comprising a fixing support (3), a guide support (8), a fine adjustment device (2), a lower wedge block (10) and an upper wedge block (9), wherein the fixing support (3) and the guide support (8) are installed on the base (1), the fine adjustment device (2) is installed on the fixing support (3), a screw rod (2-5) of the fine adjustment device (2) is fixedly connected with the lower wedge block (10), a swallow tail (18) is installed at the bottom of the lower wedge block (10), the lower wedge block can move in a dovetail groove (19) of the base (1), the upper wedge block (9) is fixedly connected with the V-shaped support (7), a T-shaped groove (16) is formed in the middle of two sides of the upper wedge block (9), and a pulley (17) is installed in.

2. A geometry measuring and adjusting apparatus according to claim 1, wherein: the lower part of the base (1) is provided with a groove, the upper part of the base (1) is provided with a dovetail groove (19), and the upper part of the base (1) is also provided with two screw holes for installing the fixing support (3) and two screw holes for installing the two guide supports (8).

3. A geometry measuring and adjusting apparatus according to claim 1, wherein: the fixing support (3) is convex, the upper portion of the fixing support is provided with a through hole, the upper end of the through hole is provided with a screw hole, the lower portion of the fixing support is provided with two through holes connected with the base (1), and the fixing support is fixedly connected with the base (1) through two fourth fastening screws (12).

4. A geometry measuring and adjusting apparatus according to claim 1, wherein: the fine adjustment device (2) is a micrometer screw, the micrometer screw is arranged in a through hole in the upper portion of the fixed support (3) through a connecting handle (2-4) and a first fastening screw (4), a 1mm reticle is arranged on the fixed sleeve (2-3), a 0.01mm reticle is arranged on the micro-drum (2-1), a handle (2-2) is arranged on the end face of the micro-drum (2-1), the micro-drum (2-1) can rotate around the fixed sleeve (2-3), a groove (2-6) is formed in the front end of the screw (2-5), and the screw (2-5) is fixedly connected with the lower wedge block (10) through a second fastening screw (5) and the groove (2-6).

5. A geometry measuring and adjusting apparatus according to claim 1, wherein: the bottom surface of the lower wedge block (10) is provided with four screw holes, a swallow tail wing (18) is installed through four fifth fastening screws (22), a blind hole (6) is formed in a connecting part of the swallow tail wing and the screw rods (2-5), and 4 uniformly distributed counter bores and through holes are formed in the bottom of the swallow tail wing (18).

6. A geometry measuring and adjusting apparatus according to claim 1, wherein: two screw holes are formed in the upper surface of the upper wedge block (9) corresponding to the through hole of the V-shaped bracket (7), and a T-shaped groove (16) is formed in the middle of the two sides of the upper wedge block (9).

7. A geometry measuring and adjusting apparatus according to claim 1, wherein: the upper wedge block and the lower wedge block are combined through an inclined working surface (20), the inclined angle of the upper wedge block and the lower wedge block is not larger than 15 degrees, 5 oil grooves (21) are respectively arranged on the inclined working surface, and the oil grooves (21) of the upper wedge block and the lower wedge block are staggered mutually.

8. A geometry measuring and adjusting apparatus according to claim 1, wherein: the bottom surface of the groove of the V-shaped support (7) is provided with two counter bores and a through hole, and the V-shaped support is fixedly connected with the upper wedge block (9) through two bolts (15).

9. A geometry measuring and adjusting apparatus according to claim 1, wherein: the guide support (8) is L-shaped, through holes are formed in two ends of the guide support, one guide support is arranged on each of the left side and the right side of the base (1) and fixedly connected with the base (1) through a third fastening screw (11), a pulley shaft (14) is arranged at the upper end of the guide support (8) through a nut (13), a pulley (17) is arranged at one end of the pulley shaft (14), and the pulley (17) is arranged in a T-shaped groove (16) of the upper wedge block (9) and can move relatively.