CN212871171U - Key groove symmetry measuring device - Google Patents

Abstract

The utility model discloses a keyway symmetry measuring device, the on-line screen storage device comprises a base, base side surface is equipped with height indicator, base top both sides all are equipped with the support column, support column top center department is equipped with the blotter, base top center department is equipped with measures the fulcrum, base top center department just is located the rear side of measuring the fulcrum is equipped with the undersetting seat, bottom center department is equipped with the fixed plate in the undersetting seat, the both sides limit of fixed plate all is equipped with a plurality of infrared sensor, the bottom both sides all are equipped with a elevating gear in the undersetting seat, elevating gear includes four guide arms. Has the advantages that: the external screw thread of motor shaft surface and the screw hole at bottom suspension seat top interact to when making the motor drive the motor shaft rotatory, motor shaft and screw hole interact drive the motor simultaneously and remove along the guide arm, thereby will go up the synchronous jack-up of support seat.

Description

Key groove symmetry measuring device

Technical Field

The utility model relates to a bearing processing technology field particularly, relates to a keyway symmetry measuring device.

Background

The automobile water pump bearing has one kind of bearing with key slot in the core shaft and key connection between the key slot and the belt pulley, and this has strict requirement on the symmetry tolerance and directly affects the work efficiency and service life of the bearing. At present, the existing symmetry measurement mostly adopts a mode of combining manual visual identification and caliper measurement, and the dimension cannot be accurately measured.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a keyway symmetry measuring device to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a key groove symmetry measuring device comprises a base, wherein height indicating lamps are arranged on the outer surface of the side edge of the base, supporting columns are arranged on two sides of the top of the base, a cushion pad is arranged at the center of the top of the supporting columns, a measuring fulcrum is arranged at the center of the top of the base, a lower supporting seat is arranged at the center of the top of the base and positioned at the rear side of the measuring fulcrum, a fixing plate is arranged at the center of the bottom in the lower supporting seat, a plurality of infrared sensors are arranged on two side edges of the fixing plate, a lifting device is arranged on two sides of the bottom in the lower supporting seat and comprises four guide rods, the top ends of the guide rods are fixedly connected with the inner top of the lower supporting seat, a motor is sleeved on the guide rods, a connecting plate is arranged at the center of one side, close to the fixing plate, of the motor, a motor shaft is arranged at, and a dial indicator is arranged at the center of the side surface of the upper supporting seat.

Preferably, the height indicator lamp corresponds to the infrared sensor from bottom to top one by one from left to right, and a red, yellow and blue three-color LED bulb is arranged in the height indicator lamp.

Preferably, the outer surface of the motor shaft is provided with external threads, both sides of the top of the lower support seat are provided with threaded holes, and the external threads are meshed with the threaded holes.

Preferably, the bottom of the upper supporting seat is provided with a movable groove, a movable bearing is arranged in the movable groove, and the top end of the motor shaft extends into the movable groove and is fixedly connected with the movable bearing.

Preferably, the buffer pad is made of rubber material, and a hemispherical groove is formed in the center of the top of the buffer pad.

Preferably, the four end parts of the motor are respectively provided with a through hole matched with the guide rod, and the guide rod and the through holes are both of a circular structure.

Preferably, the infrared sensor, the motor and the height indicator lamp are all electrically connected with the controller.

The utility model has the advantages that: the external thread on the outer surface of the motor shaft interacts with the threaded hole in the top of the lower support seat, so that the motor shaft is driven by the motor to rotate, and simultaneously, the motor shaft interacts with the threaded hole and drives the motor to move along the guide rod, and the upper support seat is synchronously jacked up; the arrangement of the guide rod improves the moving stability of the motor; the arrangement of the two support columns improves the stability of the shaft on the measuring fulcrum; the plurality of infrared sensors correspond to the height indicating lamps one by one, and a worker can judge the rising height of the upper supporting seat through the height indicating lamps; the device is simple in structure, easy to operate, capable of rapidly measuring the symmetry degree of the bearing shaft key groove and very convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic general structural diagram of a key slot symmetry degree measuring device according to an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of a lower supporting seat of a key slot symmetry measuring device according to an embodiment of the present invention.

In the figure:

1. a base; 2. a support pillar; 3. a cushion pad; 4. measuring a fulcrum; 5. a lower support seat; 6. an upper support base; 7. a dial indicator; 8. a movable groove; 9. a fixing plate; 10. an infrared sensor; 11. a guide bar; 12. a motor; 13. a connecting plate; 14. a motor shaft; 15. a movable bearing; 16. and a height indicator light.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a keyway symmetry measuring device.

Embodiment one, as shown in fig. 1-2, a key slot symmetry measuring device according to an embodiment of the present invention includes a base 1, wherein a height indicator 16 is disposed on an outer surface of a side edge of the base 1, support pillars 2 are disposed on both sides of a top portion of the base 1, a cushion pad 3 is disposed at a center of a top portion of each support pillar 2, a measuring fulcrum 4 is disposed at a center of a top portion of the base 1, a lower support base 5 is disposed at a center of a top portion of the base 1 and behind the measuring fulcrum 4, a fixing plate 9 is disposed at a center of a bottom portion of the lower support base 5, a plurality of infrared sensors 10 are disposed on both side edges of the fixing plate 9, a lifting device is disposed on both sides of a bottom portion of the lower support base 5, the lifting device includes four guide rods 11, a top end of each guide rod 11 is fixedly connected to an inner top portion of the, the motor 12 is close to the center department of fixed plate 9 one side is equipped with connecting plate 13, motor 12 top output is equipped with motor shaft 14, the top of motor shaft 14 is run through the top of lower carriage 5 is connected with the bottom of last supporting seat 6, the side center department of going up supporting seat 6 is equipped with percentage table 7.

In the second embodiment, the height indicator light 16 corresponds to the infrared sensor 10 from left to right one by one from bottom to top, and a red, yellow and blue LED bulb is arranged in the height indicator light 16. As can be seen from the above-described design, the worker can easily determine the elevation height of the upper support 6 by the design of the height indicator lamp 16.

In the third embodiment, the outer surface of the motor shaft 14 is provided with an external thread, both sides of the top of the lower support seat 5 are provided with threaded holes, and the external thread is meshed with the threaded holes. As can be seen from the above design, through the design of the external thread and the threaded hole, the motor shaft is driven to rotate by the motor, and simultaneously, the motor shaft and the threaded hole interact to drive the motor to move along the guide rod.

In the fourth embodiment, a movable groove 8 is formed in the bottom of the upper support 6, a movable bearing 15 is arranged in the movable groove 8, the top end of the motor shaft 14 extends into the movable groove 8 and is fixedly connected with the movable bearing 15, the buffer pad 3 is made of a rubber material, and a hemispherical groove is formed in the center of the top of the buffer pad 3. It can be seen from the above design that the upper support 6 is not driven to rotate while the motor shaft 14 rotates due to the design of the movable groove 8 and the movable bearing 15, so that the upper support 6 maintains stability.

In the fifth embodiment, through holes matched with the guide rods 11 are formed in four end portions of the motor 12, the guide rods 11 and the through holes are of circular structures, and the infrared sensor 10, the motor 12 and the height indicator lamp 16 are electrically connected with the controller. As can be seen from the above design, the guide rod 11 and the motor 12 are conveniently movably connected through the design of the through hole.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In summary, with the above technical solution of the present invention, when in use, the key groove of the shaft is placed on the measuring support 4, so that the bottom of the key groove of the shaft is attached to the measuring support 4, then the height of the upper support 6 is adjusted by controlling the two motors 12, the motors 12 drive the motor shaft 14 to rotate, the external thread on the outer surface of the motor shaft 14 interacts with the threaded hole on the top of the lower support 5, so that the motor 12 drives the motor shaft 14 to rotate, the motor shaft 14 interacts with the threaded hole and drives the motor 12 to move along the guide rod 11, so as to synchronously jack up the upper support 6, after the upper support 6 is raised to a proper height, the dial indicator 7 can measure the maximum outer diameter of the shaft, then measure, first measure data on one side, then rotate the shaft horizontally, for example, rotate 180 °, measure values on the other side, after multiple sets of data, calculating the symmetry; when the motor 12 moves, the connecting plate 13 interacts with the infrared sensor 10, the infrared sensor 10 transmits a signal to the controller, the controller starts the corresponding height indicator lamp 16 through an external power supply, and a worker can judge the rising height of the upper supporting seat 6 through the height indicator lamp 16.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The key groove symmetry measuring device is characterized by comprising a base (1), wherein a height indicator lamp (16) is arranged on the outer surface of the side edge of the base (1), support columns (2) are arranged on two sides of the top of the base (1), a cushion pad (3) is arranged at the center of the top of each support column (2), a measuring fulcrum (4) is arranged at the center of the top of the base (1), a lower support seat (5) is arranged at the center of the top of the base (1) and positioned at the rear side of the measuring fulcrum (4), a fixed plate (9) is arranged at the center of the bottom in the lower support seat (5), a plurality of infrared sensors (10) are arranged on two side edges of the fixed plate (9), a lifting device is arranged on two sides of the bottom in the lower support seat (5) and comprises four guide rods (11), the top ends of the guide rods (11) are fixedly connected with the inner top of the lower, the cover is equipped with motor (12) on guide arm (11), motor (12) are close to the center department of fixed plate (9) one side is equipped with connecting plate (13), motor (12) top output is equipped with motor shaft (14), the top of motor shaft (14) is run through the top of under bracing seat (5) is connected with the bottom of last supporting seat (6), the side center department of going up supporting seat (6) is equipped with percentage table (7).

2. A key slot symmetry measuring device according to claim 1, wherein the height indicator light (16) corresponds to the infrared sensor (10) from left to right one by one from bottom to top, and a red, yellow and blue LED bulb is arranged in the height indicator light (16).

3. A key slot symmetry measuring device according to claim 1, wherein the motor shaft (14) has an external thread on its outer surface, and the lower support base (5) has a threaded hole on both sides of its top, the external thread and the threaded hole being engaged with each other.

4. A key slot symmetry measuring device according to claim 1, wherein a movable groove (8) is formed in the bottom of the upper supporting seat (6), a movable bearing (15) is arranged in the movable groove (8), and the top end of the motor shaft (14) extends into the movable groove (8) and is fixedly connected with the movable bearing (15).

5. A key slot symmetry measuring device according to claim 1, wherein said cushion pad (3) is made of rubber material, and a hemispherical recess is provided at the top center of said cushion pad (3).

6. A key slot symmetry measuring device according to claim 1, wherein the four ends of the motor (12) are provided with through holes for fitting with the guide rods (11), and the guide rods (11) and the through holes are circular structures.

7. A key slot symmetry measuring device according to claim 1, wherein the infrared sensor (10), the motor (12) and the height indicator light (16) are all electrically connected to a controller.

Images