CN212620551U

CN212620551U - Meter-making type gear symmetry degree testing fixture

Info

Publication number: CN212620551U
Application number: CN202021227328.4U
Authority: CN
Inventors: 段含辉
Original assignee: Chongqing Winstar Precise Machinery Co ltd
Current assignee: Chongqing Winstar Precise Machinery Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an examine utensil is examined to formula of beating meter gear symmetry, including the installation base, be fixed with a supporting disk on the installation base, be fixed with a reference column on the supporting disk, be fixed with a joint key in the reference column, the keyway phase-match of joint key and the volume of awaiting measuring gear, still be fixed with a percentage table mounting base on the installation base, install the percentage table with adjustable position on the percentage table mounting base, when measuring the symmetry of gear keyway, the gauge outfit and the keyway of percentage table just contact to the tooth's socket lateral wall. The symmetry degree checking fixture is simple in structure, and can be used for rapidly detecting the symmetry degree of the key groove of the gear and judging whether the gear is qualified or not.

Description

Meter-making type gear symmetry degree testing fixture

Technical Field

The utility model belongs to gear detection area, concretely relates to beat table formula gear symmetry and examine utensil.

Background

At present, the detection of gear keyway symmetry generally is through three-coordinate detector, and it is loaded down with trivial details to adopt three-coordinate detector to detect the flow, needs special accurate survey within a definite time, and the detection cost is than higher, and the detection personnel need just can carry out the detection of keyway through professional training, so need design the utensil of examining of detecting gear keyway that can be quick, improve its detection speed and detection efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more above-mentioned defects among the prior art, the utility model aims to solve the technical problem that a dial type gear symmetry degree is examined utensil is provided, this symmetry degree is examined utensil simple structure, and whether qualified is judged to the symmetry degree of the keyway of detection gear that can be quick.

In order to realize the above-mentioned purpose, the utility model provides an examine utensil of formula of beating meter gear symmetry, including the installation base, be fixed with a supporting disk on the installation base, be fixed with a reference column on the supporting disk, be fixed with a joint key in the reference column, the keyway phase-match of joint key and the volume of awaiting measuring gear, still be fixed with a percentage table mounting base on the installation base, install the percentage table with adjustable position on the percentage table mounting base, when measuring the symmetry of gear keyway, the gauge outfit and the keyway of percentage table just contact the tooth's socket lateral wall.

Further, reference column and supporting disk pass through bolt positioning connection on the installation base, a joint groove has been seted up to the reference column side, the joint groove link up to be connected to in the supporting disk, the joint key-type connection is in the bottom in joint groove.

Further, the dial indicator mounting base is a switch type magnetic base.

Furthermore, be fixed with one in the percentage table mounting base and adjust the pole setting, sliding connection has first clip in the regulation pole setting, fixedly connected with first sleeve on the first clip, a fixedly connected with adjusts the horizontal pole in the first sleeve, sliding connection has the second clip on the regulation horizontal pole, fixedly connected with second sleeve on the second clip, be fixed with the percentage table in the second sleeve.

The utility model has the advantages that:

firstly, the symmetry degree of the key groove in the gear can be rapidly detected through the symmetry degree detection tool, whether the key groove is within a reasonable error or not is judged, the detection speed is high, and the detection efficiency is high;

secondly, the positioning column and the supporting disk are positioned and connected on the mounting base through bolts, so that the positioning column and the supporting disk can be replaced according to different measured gears, and the matching performance of the utility model is wider;

third, the utility model discloses a percentage table of installation on percentage table mounting base can carry out the regulation of height and angle according to the difference of gear model size, and adjusts the convenience, can further increase detection speed, improves detection efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the connecting column and the supporting plate of the present invention;

FIG. 3 is a schematic view of the head of the dial indicator when detecting a tooth slot.

In the figure: 1. installing a base; 2. a support disc; 3. a positioning column; 4. a snap key; 5. a keyway; 6. a dial indicator mounting base; 7. a dial indicator; 8. a gauge head; 9. a clamping groove; 10. adjusting the vertical rod; 11. a first sleeve; 12. a second sleeve; 13. a first clip; 14. a second clip; 15. adjusting the cross bar; 16. a first hand turn; 17. a marking strip; 18. a gear; 19. a connector; 20. threaded rod

Detailed Description

The invention will be further explained with reference to the following figures and examples:

referring to fig. 1 to 3, the dial type gear symmetry degree checking fixture comprises an installation base 1, wherein a supporting disc 2 is fixed on the installation base 1, a positioning column 3 is fixed on the supporting disc 2, a clamping key 4 is fixed in the positioning column 3, the clamping key 4 is matched with a key groove 5 of a gear 18 to be measured, a dial indicator installation base 6 is further fixed on the installation base 1, a dial indicator 7 with an adjustable position is installed on the dial indicator installation base 6, and when the symmetry degree of the gear key groove 5 is measured, a gauge head 8 of the dial indicator is in contact with the side wall of the key groove 5.

The utility model discloses the process is as follows when using, when needing to detect gear 18, install the joint key 4 in reference column 3 first, then pass reference column 3 and joint key 4 through the centre bore in middle part with gear 18, support on supporting disk 2 at last, subsequently, adjust percentage table 7 on percentage table mounting base 6, make gauge head 8 of percentage table 7 and one of them side of gear tooth's socket (setting up this side as A face) contact, when contacting with this side, percentage table 7 will rotate, and show an offset (setting up this offset as a), note this offset, take out gear afterwards, keep the position of percentage table 7 stationary, then overturn 180 degrees with gear, connect to reference column 3 again, when connecting the gear again, observe the offset of percentage table 7, the side of gear tooth's socket that this moment measured is B face (setting up this offset as B), and the error value of the tooth groove symmetry degree of the gear is (a-b)/2 or (b-a)/2, and whether the value is within the error range is judged, so that whether the gear is qualified is judged. If the dial indicator is directly zeroed (i.e., a is 0) when measuring the a-plane, the gear tooth slot symmetry error value is b/2.

Further, reference column 3 and supporting disk 2 pass through bolt positioning connection on installation base 1, a joint groove 9 has been seted up to reference column 3 side, joint groove 9 link up to be connected to supporting disk 2 in, joint key 4 is connected in the bottom of joint groove 9. The utility model discloses a reference column 3 and supporting disk 2 are connected through bolt location, so can change reference column 3 and supporting disk 2 according to the difference of the model of required measuring gear, in addition, because joint groove 9 link up in supporting disk 2, so the joint key 4 can not deviate from supporting disk 2, has guaranteed the measuring degree of accuracy.

Further, the dial indicator mounting base 6 is a switch type magnetic base. The utility model discloses a 7 mounting bases 6 of percentage table are the magnetic base, so can adsorb and fix a position on the mounting base 1, through the knob switch on the magnetic base (switched mode magnetic base is prior art, can directly purchase on the market, no longer gives unnecessary details here), can adjust the magnetism of magnetic base, make it can break away from mounting base 1 and relocate.

Furthermore, an adjusting upright rod 10 is fixed in the mounting base 6 of the dial indicator 7, a first clamping buckle 13 is connected on the adjusting upright rod 10 in a sliding manner, the first clip 13 is fixedly connected with a first sleeve 11, the first sleeve 11 is connected with an adjusting cross rod 15 in a sliding way, the adjusting cross bar 15 is fastened through a first hand turn 16 on the first clip 13, the adjusting cross bar 15 is connected with a second clip 14 in a sliding way, a second sleeve 12 is fixedly connected to the second clip 14, a dial indicator 7 is fixed in the second sleeve 12, the dial indicator 7 is fastened by a second hand rotating on the second clip 14, wherein first hand turn 16 and second hand turn all include a threaded rod 20, are connected with the connector 19 that has the connecting hole on the threaded rod 20, and connector 19 passes first sleeve or second sleeve, and regulation horizontal pole 15 and percentage table 7 all are connected in the connecting hole of connector 19. The utility model discloses an adjusting upright rod 10 on the mounting base 6 makes percentage table 7 can carry out the rotation of position and angle in vertical direction, makes percentage table 7 can carry out the rotation of position and angle in the horizontal direction through adjusting horizontal pole 15 to make percentage table 7 can fix a position in any position, make its regulation that can be quick when detecting.

Furthermore, a marking groove or a marking strip 17 is arranged on the mounting base 1, and the marking groove or the marking strip 17 is over against the central line of the clamping groove 9. When detecting gear 18 to different models and size, in order to quick find the just right tooth's socket of keyway 5, the utility model discloses be provided with a mark groove or mark strip 17 on installation base 1, this mark groove or mark strip 17 and keyway 5's central line is corresponding, through the setting of this mark groove or mark strip 17, can be quick confirm with the corresponding tooth's socket of keyway 5 central line. The foregoing has described in detail preferred embodiments of the present invention.

It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a beat and show formula gear symmetry and examine utensil which characterized in that, includes the installation base, be fixed with a supporting disk on the installation base, be fixed with a reference column on the supporting disk, be fixed with a joint key in the reference column, the key slot phase-match of joint key and the volume of awaiting measuring gear, still be fixed with a percentage table mounting base on the installation base, install the percentage table with adjustable position on the percentage table mounting base, when measuring the symmetry of gear keyway, the gauge outfit and the keyway of percentage table just contact to the tooth's socket lateral wall.

2. The checking fixture for symmetry degree of a dial-up gear according to claim 1, characterized in that the positioning column and the supporting disk are connected to the mounting base through bolts in a positioning manner, a clamping groove is formed in the side surface of the positioning column, the clamping groove is connected to the supporting disk in a penetrating manner, and the clamping key is connected to the bottom of the clamping groove.

3. The checking fixture for symmetry of a striking-type gear according to claim 2, characterized in that the dial indicator mounting base is a switch-type magnetic base.

4. The checking fixture for symmetry of a striking-type gear according to claim 3, characterized in that an adjusting vertical rod is fixed in the dial indicator mounting base, a first clip is slidably connected to the adjusting vertical rod, a first sleeve is fixedly connected to the first clip, an adjusting cross rod is slidably connected in the first sleeve, the adjusting cross rod is fastened through a first hand rotation on the first clip, a second clip is slidably connected to the adjusting cross rod, a second sleeve is fixedly connected to the second clip, a dial indicator is fixed in the second sleeve, and the dial indicator is fastened through a second hand rotation on the second clip.

5. The checking fixture for symmetry of a dial-up gear according to claim 4, wherein a marking groove or a marking strip is arranged on the mounting base, and the marking groove or the marking strip is opposite to the center line of the clamping groove.