CN214039857U

CN214039857U - Universal measuring tool for eccentricity of crankshaft part

Info

Publication number: CN214039857U
Application number: CN202022898863.9U
Authority: CN
Inventors: 王照新
Original assignee: Xiangyang Guxin Machinery Co ltd
Current assignee: Xiangyang Guxin Machinery Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-24
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a general measuring tool of bent axle class part eccentricity relates to measuring tool technical field, to the inaccurate and comparatively single problem of data of current bent axle class part measured data, now proposes following scheme, and it includes slide caliper and percentage table, percentage table upper end fixed mounting has the dial plate, percentage table lower extreme fixed mounting has the measuring stick, the slide caliper intermediate position is close to the dial plate and is got one end vertical fixation cover and has connect the percentage table, slide caliper is close to one side slidable mounting of percentage table and has the outer measuring jaw, outer measuring jaw lower extreme outer wall fixed mounting has first axis of rotation. The utility model discloses novel structure, the device is effectual to have solved the inaccurate and comparatively single problem of data of bent axle class part measured data for the data that obtain are more detailed, and are swift convenient, and the accuracy of data has also obtained very big promotion, the effectual efficiency that improves work, and easy operation, suitable popularization.

Description

Universal measuring tool for eccentricity of crankshaft part

Technical Field

The utility model relates to a measuring tool technical field especially relates to bent axle class part eccentricity universal measurement measuring tool.

Background

In the current mechanical production industry, crankshafts are more and more widely applied, and the calculation of the eccentricity of the crankshafts is very complicated, so that a professional measuring tool is required for measuring, the required eccentricity is obtained as soon as possible, and the working efficiency is improved.

However, the existing measuring instrument has the defects that the measuring efficiency is greatly reduced due to the limitation of the form and the sizes of the measured parts are different, the speed is low, errors are easy to occur, great burden is brought to the subsequent work, and meanwhile, the measured data is single.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bent axle class part eccentricity is general to measure the measuring tool, has solved the inaccurate and comparatively single problem of data of bent axle class part measured data.

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

the universal measuring tool for the eccentricity of the crankshaft part comprises a vernier caliper and a dial indicator, wherein a dial plate is fixedly installed at the upper end of the dial indicator, a measuring rod is fixedly installed at the lower end of the dial indicator, the dial indicator is vertically fixedly sleeved at one end, close to the dial plate, of the middle position of the vernier caliper, an outer measuring claw is slidably installed at one side, close to the dial indicator, of the vernier caliper, a first rotating shaft is fixedly installed on the outer wall of the lower end of the outer measuring claw, a first rotating rod is rotatably installed at the first rotating shaft, a second telescopic shaft is fixedly installed at one end, far away from the vernier caliper, of the first rotating shaft, a third rotating shaft is rotatably installed at one side, close to the back of the first rotating shaft, of the vernier caliper, a first telescopic shaft is fixedly installed at one end, close to the outer measuring claw, of the first telescopic shaft, and a fourth rotating shaft is rotatably installed at one side, close to the back of the vernier caliper, of the first telescopic shaft, an inner measuring claw is slidably mounted at the position, close to the symmetry position of the dial indicator and the outer measuring claw, of the other side of the vernier caliper, a second rotating shaft is fixedly mounted on the outer wall of the lower end of the inner measuring claw, and the second rotating shaft is rotatably connected with a second rotating rod.

Preferably, first telescopic shaft and second telescopic shaft structure are the same, include spacing dish, jack dish, spring, plug, jack and axis of rotation, one side that the jack dish is close to spacing dish is equipped with the jack, one side that spacing dish is close to the jack dish is equipped with spacing dish vertically plug, the fixed installation spring of jack dish intermediate position, the other end and the spacing dish rotation connection of jack dish are kept away from to the spring, the cover is established in the middle of the spacing dish and is connected with the axis of rotation, just the axis of rotation runs through spacing dish and spring, and its one end and jack dish fixed connection.

Preferably, the side that fourth dwang and slide caliper are close to each other and the side that first dwang and third dwang are close to each other are equipped with respectively with spacing dish and jack dish assorted mounting groove.

Preferably, first dwang and second dwang are the cuboid structure, just the tip of first dwang and second dwang all is located the below of measuring stick tip.

Preferably, the plug is located spacing dish and the jack is located the jack dish and all is annular array distribution, and plug and jack are corresponding the setting.

The utility model has the advantages that:

1. when measuring the less part of volume through using the vernier caliper, can directly obtain the width of part, interior circle size and excircle size to measure the eccentricity through the percentage table, thereby once only obtain all data of part, avoided the less problem of data, the efficiency of work promotes greatly, convenient and fast more.

2. When the parts with large measurement volumes are measured by opening the first rotating rod and the second rotating rod, the measured data are more accurate according to the included angle between the parts of the first rotating rod and the second rotating rod, so that the accuracy of the data is higher, meanwhile, the places which can not be reached can also be measured by using the rotating shaft of the telescopic shaft, and the obtained data are more accurate.

To sum up, the device has effectually solved the inaccurate and comparatively single problem of data of bent axle class part measured data for the data that obtain are more detailed, and are swift convenient, and the accuracy of data has also obtained very big promotion, the effectual efficiency that improves work, and the device novel structure, easy operation, suitable popularization.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a front sectional view of the first telescopic shaft and the second telescopic shaft of the present invention;

fig. 5 is a top view of the jack panel of the present invention.

Reference numbers in the figures: 1. a dial indicator; 2. a vernier caliper; 3. a first rotating lever; 4. a second rotating lever; 5. a third rotating rod; 6. a fourth rotating rod; 7. a limiting disc; 8. a jack disc; 9. a spring; 10. a plug; 11. a jack; 12. a dial plate; 13. a measuring rod; 14. a first rotating shaft; 15. a second rotating shaft; 16. an inner measuring jaw; 17. an outer measuring jaw; 18. a rotating shaft; 19. a first telescopic shaft; 20. a second telescopic shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the universal measuring tool for measuring the eccentricity of crankshaft parts comprises a vernier caliper 2 and a dial indicator 1, wherein a dial plate 12 is fixedly mounted at the upper end of the dial indicator 1, a measuring rod 13 is fixedly mounted at the lower end of the dial indicator 1, the dial indicator 1 is vertically and fixedly sleeved at one end of the middle position of the vernier caliper 2 close to the dial plate 12, an outer measuring claw 17 is slidably mounted at one side of the vernier caliper 2 close to the dial indicator 1, a first rotating shaft 14 is fixedly mounted on the outer wall of the lower end of the outer measuring claw 17, a first rotating rod 3 is rotatably mounted on the first rotating shaft 14, the first rotating rod 3 and a second rotating rod 4 are of cuboid structures, the end parts of the first rotating rod 3 and the second rotating rod 4 are both located below the end part of the measuring rod 13, and a second telescopic shaft 20 is fixedly mounted at the end of the first rotating rod 3 far away from the vernier caliper 2, the second telescopic shaft 20 is rotated with one side at the back of the first rotary rod 3 and is installed with a third rotary rod 5, one end fixed mounting that the vernier caliper 2 is close to the outer measuring claw 17 is provided with a first telescopic shaft 19, one side that the first telescopic shaft 19 is close to the back of the vernier caliper 2 is rotated and is installed with a fourth rotary rod 6, one side that the fourth rotary rod 6 and the vernier caliper 2 are close to each other and one side that the first rotary rod 3 and the third rotary rod 5 are close to each other are respectively provided with a mounting groove matched with the limiting disc 7 and the jack disc 8, the first telescopic shaft 19 and the second telescopic shaft 20 have the same structure, including the limiting disc 7, the jack disc 8, the spring 9, the plug 10, the jack 11 and the rotary shaft 18, the plug 10 is located on the limiting disc 7 and the jack 11 is located on the jack disc 8 and is distributed in an annular array, and the plug 10 and the jack 11 are correspondingly arranged, one side of the jack disc 8 close to the limiting disc 7 is provided with the jack 11, one side that spacing dish 7 is close to jack dish 8 is equipped with spacing dish 7 vertically plug 10, the fixed mounting spring 9 of 8 intermediate positions of jack dish, the other end that 8 of jack dish were kept away from to spring 9 rotates with spacing dish 7 to be connected, the cover is established in the middle of the spacing dish 7 and is connected with axis of rotation 18, just axis of rotation 18 runs through spacing dish 7 and spring 9, and its one end and jack dish 8 fixed connection, the symmetrical position slidable mounting that 2 opposite sides of slide caliper are close to percentage table 1 and outer measuring claw 17 has interior measuring claw 16, the lower extreme outer wall fixed mounting of interior measuring claw 16 has second axis of rotation 15, second axis of rotation 15 rotates and is connected with second dwang 4.

The working principle is as follows: when the device is used, firstly, one end of a measuring claw 16 outside a vernier caliper 2 is used for measuring, the width of a part is measured, then, the inner circle size of the part is measured by using a measuring claw 17 inside the vernier caliper 2, then, a first rotating rod 3 and a second rotating rod 4 are opened, an eccentric distance is measured by using a dial indicator 1, finally, measured data is recorded, and the measurement can be completed, if the volume of the measured part is larger, the first rotating rod 3 and the second rotating rod 4 are opened and clamped on the measured part, the part is lightly pressed towards the direction of the part until a measuring head at the bottom end of the dial indicator 1 contacts the part, the measured eccentric distance can be recorded according to the reading of the dial indicator 1, if the measured part is difficult to directly contact, a third rotating rod 5 and a fourth rotating rod 6 can be opened, a jack disc 8 is separated from a limiting disc 7, a first telescopic shaft 19 and a second telescopic shaft 20 are rotated to adjust proper positions, the plug 10 is inserted into the corresponding jack 11 by using the spring 9, then the dial indicator 1 is stretched into a measuring position for measurement, and finally an instrument is withdrawn to record the data measured by the dial indicator 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The universal measuring tool for measuring the eccentricity of the crankshaft part comprises a vernier caliper (2) and a dial indicator (1) and is characterized in that a dial indicator (12) is fixedly mounted at the upper end of the dial indicator (1), a measuring rod (13) is fixedly mounted at the lower end of the dial indicator (1), the middle position of the vernier caliper (2) is close to the dial indicator (12), one end of the vernier caliper (1) is vertically and fixedly sleeved with the dial indicator (1), an outer measuring claw (17) is slidably mounted at one side of the vernier caliper (2) close to the dial indicator (1), a first rotating shaft (14) is fixedly mounted on the outer wall of the lower end of the outer measuring claw (17), a first rotating rod (3) is rotatably mounted on the first rotating shaft (14), a second telescopic shaft (20) is fixedly mounted at one end of the first rotating rod (3) far away from the vernier caliper (2), and a third rotating rod (5) is rotatably mounted at one side of the back of the second telescopic shaft (20) and the first rotating rod (3), vernier caliper (2) is close to the one end fixed mounting of outer measurement claw (17) has first telescopic shaft (19), first telescopic shaft (19) lean on one side rotation at the vernier caliper (2) back to install fourth dwang (6), vernier caliper (2) opposite side is close to dial indicator (1) and symmetrical position slidable mounting of outer measurement claw (17) and has interior measurement claw (16), the lower extreme outer wall fixed mounting of interior measurement claw (16) has second axis of rotation (15), second axis of rotation (15) rotate and are connected with second dwang (4).

2. The universal measuring tool for measuring the eccentricity of the crankshaft part according to claim 1, wherein the first telescopic shaft (19) and the second telescopic shaft (20) have the same structure and comprise a limiting disc (7), a jack disc (8), a spring (9), a plug (10), a jack (11) and a rotating shaft (18), the jack (11) is arranged on one side of the jack disc (8) close to the limiting disc (7), the plug (10) perpendicular to the limiting disc (7) is arranged on one side of the limiting disc (7) close to the jack disc (8), the spring (9) is fixedly arranged in the middle of the jack disc (8), the other end of the spring (9) far away from the jack disc (8) is rotatably connected with the limiting disc (7), the rotating shaft (18) is sleeved in the middle of the limiting disc (7), and the rotating shaft (18) penetrates through the limiting disc (7) and the spring (9), and one end of the connecting rod is fixedly connected with the jack disc (8).

3. The universal measuring tool for measuring the eccentricity of the crankshaft part as claimed in claim 1, wherein the side of the fourth rotating rod (6) close to the vernier caliper (2) and the side of the first rotating rod (3) close to the third rotating rod (5) are respectively provided with a mounting groove matched with the limiting disc (7) and the jack disc (8).

4. The universal measuring tool for measuring the eccentricity of crankshaft parts according to claim 1, wherein the first rotating rod (3) and the second rotating rod (4) are rectangular parallelepiped structures, and the ends of the first rotating rod (3) and the second rotating rod (4) are both located below the end of the measuring rod (13).

5. The universal measuring tool for measuring the eccentricity of the crankshaft type part according to claim 2, wherein the plugs (10) are located on the limiting disc (7) and the insertion holes (11) are located on the insertion hole disc (8) and are distributed in an annular array, and the plugs (10) and the insertion holes (11) are correspondingly arranged.