CN210426453U

CN210426453U - Non-contact workpiece deformation measuring device

Info

Publication number: CN210426453U
Application number: CN201921592849.7U
Authority: CN
Inventors: 聂越; 赵发辉
Original assignee: Tonglin Casting Industrial Co ltd
Current assignee: Tonglin Casting Industrial Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-28
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a measuring device technical field discloses a non-contact work piece deformation measuring device, including platform, base and the stand that is used for supporting the gear that awaits measuring, the base activity sets up on the platform, the stand is fixed in on the base, be provided with on the stand and follow gliding slider about the stand, the slider articulates there is the connecting rod, the connecting rod include with sliding sleeve looks articulated linkage segment and with linkage segment integrated into one piece's extension section, be provided with the guide way that extends to the base border by the base center on the base, extension section slide set up in the guide way. The utility model discloses can accomplish the stand fast and fix a position the hole center to the driven gear that awaits measuring, shorten the time of adjustment stand greatly, and then measuring time is consuming time fewly, adopts laser sensor to realize non-contact measurement simultaneously, compares than traditional percentage table measurement, not only avoids measuring instrument's damage, and measuring result is accurate moreover.

Description

Non-contact workpiece deformation measuring device

Technical Field

The utility model belongs to the technical field of measuring device, especially, relate to a non-contact work piece deformation measuring device.

Background

The Chinese patent with the granted patent number of CN203605892U, namely a gear end face buckling deformation measuring device, discloses a device which comprises a platform, a base, an upright post, a swing rod and a sensor, wherein the platform is used for supporting a gear to be measured; the base bottom is installed on the platform, the stand bottom is fixed on the base, the dwang is installed on stand upper portion, the dwang with stand normal running fit, the dwang with the detachable connection of one end of pendulum rod, the pendulum rod other end with the detachable connection of sensor. When the measuring device is used, the driven gear to be measured is placed on the platform, then the warpage deformation measuring device is placed at the central position of the gear inner control, the angle between the adjusting swing rod and the rotating rod meets the contact distance between the sensor and the gear rim plane, the rotating rod is manually rotated to rotate one or more circles on the gear rim plane, and the warpage deformation of the gear end face can be reflected according to the measuring data.

However, the above-mentioned measuring device has the following disadvantages: 1. during measurement, the measuring device needs to be placed in the center of the gear, but the device is lack of a positioning device, so that the placement of the measuring device is difficult to complete quickly, and the measurement time is increased; 2. the sensor probe is in sliding contact with the edge surface of the gear for a long time, and the sensor is easily damaged.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a non-contact workpiece deformation measuring device, which is not enough in the prior art.

The embodiment of the utility model is realized like this:

the utility model provides a non-contact work piece deformation measuring device, is including platform, base and the stand that is used for supporting the gear that awaits measuring, the base activity sets up on the platform, the stand is fixed in on the base, be provided with on the stand and follow gliding slider about the stand, the slider articulates there is the connecting rod, the connecting rod include with slip cap looks articulated linkage segment and with linkage segment integrated into one piece's extension section, be provided with on the base by the base center to the guide way that the base border extends, the extension section slide set up in the guide way.

Furthermore, a universal roller is arranged on the base.

Furthermore, a protective cushion layer is adhered to the end face, far away from the connecting section, of the extending section.

Furthermore, the number of the connecting rods is four, and the connecting rods are uniformly hinged on the sliding piece.

Further, the sliding part is a sliding shaft sleeve.

Further, the base is a square plate.

Further, the guide groove is an inverted T-shaped groove.

Further, the sensor is a laser range finder.

The utility model has the advantages that:

the utility model has the advantages of simple structure, and reasonable design, place measuring device in the driven gear hole, then down remove the slider, the slider can be strutted all around to the connecting rod in the downstream process gradually, finally make each connecting rod and driven gear's interior pore wall contact, the stand is located hole central point and puts this moment, it is simple to adjust, can accomplish the stand fast and fix a position the hole center, the time of adjustment stand has been shortened greatly, and then measuring time is consuming time fewly, adopt laser sensor to realize non-contact measurement simultaneously, compare than traditional percentage table measurement, not only avoid measuring instrument's damage, and the measuring result is accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a top view of the base;

FIG. 3 is a view of the mating connection of the extension to the wire groove;

FIG. 4 is a schematic view of the structure of the slider;

FIG. 5 is a schematic view of the structure of the fixing frame;

fig. 6 is a state diagram before adjustment of the present invention;

FIG. 7 is a state diagram during the adjustment process of the present invention;

fig. 8 is a state diagram after the adjustment of the present invention is completed;

icon: 1-platform, 2-base, 3-upright post, 4-oscillating bar, 5-sensor, 6-rotating rod, 7-bearing, 8-fixed sleeve, 9-end cover, 10-driven gear to be tested, 11-universal wheel, 12-sliding part, 13-hinged seat, 14-connecting rod, 1401-connecting section, 1402-extending section, 15-guide groove, 16-fixing plate, 17-through hole, 18-spring, 19-abutting plate and 20-U-shaped frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, the present embodiment provides a non-contact workpiece deformation measuring device, including a platform 1, a base 2, an upright column 3, a swing rod 4 and a sensor 5, where the platform 1 is configured to support a driven gear 10 to be detected, the base 2 is a square plate, a universal wheel 11 is installed on a lower surface of the base 2, the base 2 is placed on the platform 1 and can freely move on the platform 1, the upright column 3 is welded on an upper surface of the base 2, a rotating rod 6 is installed on an upper portion of the upright column 3, and the rotating rod 6 is rotatably matched with the upright column 3 through a bearing 7, specifically: the inner ring of the bearing 7 is sleeved on the upright post 3 in an interference manner, the outer ring of the bearing 7 is sleeved with a fixed sleeve 8 in an interference manner, the fixed sleeve 8 is fixed with an end cover 9 through a bolt, the rotating rod 6 is welded with the end cover 9, when the rotating rod 6 is rotated, the outer ring of the bearing 7 rotates along with the rotating rod, and the inner ring of the bearing 7 and the upright post 3 do not rotate along with the rotating rod;

in order to conveniently adjust the distance between the sensor 5 and the end face of the driven gear 10 to be measured, the swing rod 4 comprises a first swing rod and a second swing rod, one end of the first swing rod is detachably connected with the rotating rod 6 through a bolt, the angle between the swing rod 4 and the rotating rod 6 can be adjusted, the other end of the first swing rod is connected with one end of the second swing rod through a bolt, the height of the second swing rod from the end face of the driven gear 10 to be measured can be adjusted, one end of the second swing rod, far away from the first swing rod, is provided with a horizontal bending part, the sensor 5 is installed at the horizontal bending part through a fixing frame, the sensor 5 is a common laser range finder, the fixing frame comprises a fixing plate 16 fixed at the horizontal bending part through a bolt and a U-shaped frame 20 integrally formed on the fixing plate, the sensor 5 is placed in the U-shaped frame 20, and the U-shaped, a square hole is formed in the surface of one side, facing the U-shaped frame, of the fixing plate 16, a spring 18 is welded in the square hole, a resisting plate 19 is welded on the spring 18, the sensor 5 is placed in the U-shaped frame 20, the laser irradiation direction vertically penetrates out of a through hole 17 downwards, and meanwhile the sensor 5 is tightly resisted in the U-shaped frame 20 through the elastic force of the spring 18;

the upright post 3 is provided with a sliding part 12 capable of sliding up and down along the upright post 3, preferably, the sliding part is a sliding shaft sleeve and is sleeved on the outer wall of the upright post 3, hinged seats 13 are uniformly welded on the outer wall of the sliding part 12, the hinged seats 13 are four groups, each group of hinged seat 13 is pivotally connected with a connecting rod 14, each connecting rod comprises a connecting section 1401 hinged with the hinged seat 13 and an extending section 1402 integrally formed with the connecting section 1401, the upper surface of the base 2 is provided with a guide groove 15 extending from the center of the base to the edge of the base, and the extending section 1402 is slidably arranged in the guide groove 15.

Referring to fig. 6 to 8, in use, the driven gear 10 to be measured is first placed on the platform 1, the measuring device is placed in the inner hole 10a of the driven gear to be measured, then the sliding part 12 is slid downwards, and during the downward movement of the sliding part 12, the connecting rod 14 will expand along the guide slot 15, as shown in fig. 5, if the measuring device is placed near the right side of the center of the inner hole of the driven gear 10 to be measured, the right extension 1402, first contacts the inner bore wall, continues to slide the slide 12 downward, the connecting rods are acted by the force of the inner hole wall, the measuring device moves towards the left side, and finally when all the connecting rods 14 are contacted with the inner hole wall, the upright post 3 is positioned at the center of the inner hole at the moment, the adjustment and the positioning are finished, and then adjusting the height and the angle of the swing rod 4 to enable the sensor 5 to be positioned right above the measured surface. The measuring device is used for not only being fast and convenient to adjust, but also being capable of accurately positioning the center of the inner hole, and meanwhile, the laser sensor is adopted to realize non-contact measurement, compared with the traditional dial indicator measurement, the damage of a measuring instrument is avoided, and the measuring result is accurate.

In order to avoid scratching the inner hole wall and affecting the assembly quality when the extension section 1402 is contacted with the inner hole wall, a protective cushion layer is adhered to the end face of the extension section 1402 far away from the connecting section 1401, namely the surface contacted with the inner hole wall.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a non-contact work piece deformation measuring device, is including platform (1), base (2), stand (3), pendulum rod (4) and dwang (6) that are used for supporting the gear that awaits measuring, base (2) activity sets up on platform (1), stand (3) are fixed in on base (2), dwang (6) with stand (3) normal running fit, the one end of pendulum rod (4) with stand (3) are connected, its characterized in that: sensor (5) are installed to the one end of pendulum rod (4) keeping away from stand (3), be provided with on stand (3) and follow slider (12) that stand (3) slided from top to bottom, slider (12) articulate there is connecting rod (14), connecting rod (14) including with slider (12) looks articulated linkage segment (1401) and with linkage segment (1401) integrated into one piece's extension section (1402), be provided with on base (2) by base (2) center to base (2) border extension guide way (15), extension section (1402) slide set up in guide way (15).

2. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the base (2) is provided with universal rollers.

3. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: and a protective cushion layer is adhered to the end face of the extension section (1402) far away from the connecting section (1401).

4. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the four connecting rods (14) are uniformly hinged on the sliding piece (12).

5. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the sliding part (12) is a sliding shaft sleeve.

6. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the base (2) is a square plate.

7. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the guide groove (15) is an inverted T-shaped groove.

8. The non-contact workpiece deformation measuring apparatus according to claim 1, wherein: the sensor (5) is a laser range finder.