CN212512847U - Radial clearance detector - Google Patents

Abstract

The utility model discloses a radial clearance detector, including base, foot rest, fixed block, V type fixed block, fixed handle, test handle, survey table, location head, accessory plate and locating pin. The utility model discloses a. The utility model discloses simple structure, convenient operation can ensure to show when letting operating personnel get the hand fast under the prerequisite that does not influence the detection precision and improve detection efficiency, specifically is the position design of placing screw thread pair mechanism class product for V type recess, and the reference position of product on V type fixed block is fixed with manual control's location head to the cooperation, can effectively avoid the product displacement problem to appear when detecting, influences the rate of accuracy. Wherein the utility model discloses a control handle is link mechanism with fixed handle, is controlling the rising and the pushing down of strapping table and location head, and such setting can play the purpose easy and simple to handle, laborsaving, easy-to-use.

Description

Radial clearance detector

Technical Field

The utility model relates to a vice cooperation effect of screw thread detects technical field, especially relates to a radial clearance detector.

Background

The common methods for detecting and checking the radial clearance of thread pair mechanism products are a lead pressing method, a feeler gauge measuring method and a dial gauge measuring method, and the methods have respective disadvantages: the clearance gauge method and the lead wire pressing method cannot measure the radial clearance of the sealed bearing; the feeler gauge method and the lead wire pressing method need to be operated by a plurality of persons during measurement, so that the measurement error is large and the measurement gap is inaccurate; the dial indicator method is troublesome to fix during measurement, is inconvenient to use, and often influences the detection precision due to the fixing reason; the feeler gauge method, the lead wire pressing method and the dial indicator method are complex to operate, measuring personnel cannot rapidly master the operation method, the detection time is prolonged, and the detection precision is influenced.

Therefore, it is necessary to research and improve these three methods to achieve more efficient and stable detection, and the utility model discloses mainly make the improvement design to the percentage table method, improve the efficiency and the speed of detection when guaranteeing the accuracy.

Disclosure of Invention

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

a radial clearance detector comprises a base, foot seats, fixing blocks, a V-shaped fixing block, a fixing handle, a testing handle, a meter, a positioning head, an auxiliary plate and positioning pins, and is characterized in that the foot seats are fixedly arranged on four opposite corners of the bottom of the base, and the V-shaped fixing block, the fixing handle, the testing handle and the meter are arranged and arranged on the top of the base through the matching of the positioning pins and the fixing blocks; the fixed handle and the test handle are both designed by a link mechanism, the fixed handle can drive the positioning head fixed above the fixed handle to ascend or descend in the rotating process, and the test handle can drive the test meter fixed above the fixed handle to ascend or descend in the rotating process; the number of the fixed handles with the positioning heads is two, and the fixed handles are symmetrically fixed on the base through trapezoidal fixed blocks; the upper surface of the base is also provided with a groove for fixedly arranging a V-shaped fixed block, the specific position of the groove is positioned between the two fixed handles, the inner cavity of the groove and the V-shaped fixed block are respectively provided with a plurality of through holes with mutually corresponding positions, and the V-shaped fixed block is fixedly arranged in the groove through the matching of the through holes, the auxiliary plate and the positioning pins; a V-shaped groove is integrally formed on the V-shaped fixed block, and the middle section of the V-shaped groove is designed in a sinking mode, namely the left end and the right end of the V-shaped groove on the V-shaped fixed block are not at the same height with the horizontal plane of the middle section; the test handle with the meter is fixedly arranged behind the V-shaped fixing block through the fixing block, wherein the meter needs to be positioned above the V-shaped groove.

Preferably, the foot seat and the positioning head are sleeved and wrapped with an anti-static PVC or rubber coat.

Preferably, the meter is also fixed to the linkage of the test handle by a locating pin.

Preferably, the measuring meter can be a dial indicator, a dial indicator or the same type of measuring meter.

Preferably, the tail end of the positioning head on the fixed handle is designed into an external thread, and the positioning head is fixedly arranged on the fixed handle through the matching of a gasket and a nut.

Preferably, the size and number of the positioning blocks for mounting the fixed handle, the test handle and the meter can be changed according to actual test or assembly requirements.

Preferably, the distance that the test handle drives the meter to vertically move when rotating is equal to or less than the length of the sliding guide post on the connecting rod mechanism.

Preferably, the edges of the V-shaped fixing blocks are chamfered.

The utility model has the advantages that:

1. the utility model has simple structure and convenient operation, and can ensure that the detection efficiency is obviously improved when the operator quickly starts to operate on the premise of not influencing the detection precision;

2. the position where the thread pair mechanism type product is placed is designed into a V-shaped groove, and the reference position of the product on the V-shaped fixing block is fixed by matching with a positioning head which is manually controlled, so that the problem that the product is displaced during detection and the accuracy is influenced can be effectively avoided;

the middle section of the V-shaped groove on the V-shaped fixed block is designed to be sunken, and the design can accommodate more products with different diameters or sleeved with external parts for detection on the utility model;

4. the control handle and the fixed handle of the utility model are both link mechanisms, which control the rising and the pressing of the measuring meter and the positioning head, and the setting can achieve the purposes of simple and convenient operation, labor saving and easy operation, more importantly, the measuring meter with higher sensitivity can be directly touched after the product to be detected is fixed, thereby avoiding the direct influence;

5. the utility model discloses a footstand and location head all wrap up and have prevented static PVC or rubber coat, firstly play skid-proof effect to a certain extent, secondly avoid causing the damage to the high accuracy product, wherein location head can carry out solitary height adjustment based on the design of its outer tooth screw thread itself to cooperate the product of bigger diameter, just so need not to dismantle once more and change, even unable detection.

Drawings

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

FIG. 2 is a schematic view of the assembly of the auxiliary plate and the positioning pin of the present invention;

FIG. 3 is a schematic structural view of the fixing handle of the present invention;

fig. 4 is an assembly schematic diagram of the control handle and the meter of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement objectives and the functions of the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 to 4, the following technical scheme is adopted in the present embodiment to provide a radial gap detector, including a base (1), a foot seat (2), a fixing block (3), a V-shaped fixing block (4), a fixing handle (5), a testing handle (6), a meter (7), a positioning head (8), an auxiliary plate (9) and positioning pins (10), wherein the foot seat (2) is fixedly arranged at four opposite corners of the bottom of the base (1), and the V-shaped fixing block (4), the fixing handle (5), the testing handle (6) and the meter (7) are arranged at the top through the matching of the plurality of positioning pins (10) and the fixing block (3); the fixed handle (5) and the testing handle (6) are both designed as link mechanisms, the fixed handle (5) can drive the positioning head (8) fixed above the fixed handle to ascend or descend in the rotating process, and the testing handle (6) can drive the testing meter (7) fixed above the fixed handle to ascend or descend in the rotating process; the number of the fixed handles (5) with the positioning heads (8) is two, and the fixed handles are symmetrically fixed on the base (1) through trapezoidal fixed blocks (3); the upper surface of the base (1) is further provided with a groove for fixedly arranging a V-shaped fixing block (4), the specific position of the groove is located between the two fixing handles (5), the inner cavity of the groove and the V-shaped fixing block (4) are respectively provided with a plurality of through holes corresponding to each other in position, and the V-shaped fixing block (4) is fixedly arranged in the groove through the matching of the through holes, the auxiliary plate (9) and the positioning pins (10); a V-shaped groove is integrally formed on the V-shaped fixing block (4), and the middle section of the V-shaped groove is designed in a sinking mode, namely the left end and the right end of the V-shaped groove on the V-shaped fixing block (4) are not at the same height with the horizontal plane of the middle section; the test handle (6) with the meter (7) is fixedly arranged behind the V-shaped fixing block (4) through the fixing block (3), wherein the meter (7) needs to be positioned above the V-shaped groove.

Wherein, the foot seat (2) and the positioning head (8) are sleeved and wrapped with an antistatic PVC or rubber coat.

The dial gauge (7) is also fixed on the connecting rod mechanism of the test handle (6) through a positioning pin (10).

Wherein, the measuring meter (7) can be a dial indicator, a dial indicator or a measuring meter of the same type.

The tail end of a positioning head (8) on the fixed handle (5) is designed into an external thread, and the positioning head is fixedly arranged on the fixed handle (5) through the matching of a gasket and a nut.

Wherein, the size and the number of the positioning blocks for installing the fixed handle (5), the testing handle (6) and the measuring meter (7) can be changed according to the actual testing or assembling requirements.

The distance of the vertical movement which can be performed by the test handle (6) when the test handle (6) rotates to drive the test meter (7) is equal to or less than the length of the sliding guide post (100) on the connecting rod mechanism.

And the edges of the V-shaped fixed block (4) are chamfered.

The present embodiment takes the above scheme as an example.

Firstly, placing a threaded pair mechanism product on a V-shaped fixed block body;

secondly, the fixed handle is pulled and rotated to drive the fixing head above the fixed handle to press down to tightly press the product on the V-shaped fixed block, so that the reference position of the product is realized, and the problem that the product is displaced during detection to influence the accuracy is avoided;

thirdly, the control handle is pulled and rotated to drive the measuring meter on the sliding guide post, so that the measuring head of the measuring meter is contacted with the middle part of the upper surface of the outer ring of the detected product, and the zero setting is carried out on the measuring meter;

step four, holding the left end or the right end of the outer ring of the detected product, rotating along the radial direction (vertical upward) of the detected product, and recording the reading of a measuring meter, wherein the reading value is the radial play value of the detected rolling bearing at the position;

fifthly, the fixed handle and the control handle are pulled and rotated to drive the fixed head and the measuring meter above the fixed handle to ascend so as to vacate the position of a space adjusting product, namely, the product is properly moved to measure different positions for multiple times to obtain a plurality of different radial play values;

and step six, taking the average value of all the radial play values as the detected radial clearance value.

The utility model has simple structure and convenient operation, and can ensure that the detection efficiency is obviously improved when the operator quickly starts to operate on the premise of not influencing the detection precision; the position where the thread pair mechanism type product is placed is designed into a V-shaped groove, and the reference position of the product on the V-shaped fixing block is fixed by matching with a positioning head which is manually controlled, so that the problem that the product is displaced during detection and the accuracy is influenced can be effectively avoided; the middle section of the V-shaped groove on the V-shaped fixed block is designed to be sunken, and the design can accommodate more products with different diameters or sleeved with external parts for detection on the utility model; the control handle and the fixed handle of the utility model are both link mechanisms, which control the rising and the pressing of the measuring meter and the positioning head, and the setting can achieve the purposes of simple and convenient operation, labor saving and easy operation, more importantly, the measuring meter with higher sensitivity can be directly touched after the product to be detected is fixed, thereby avoiding the direct influence; the utility model discloses a footstand and location head all wrap up and have prevented static PVC or rubber coat, firstly play skid-proof effect to a certain extent, secondly avoid causing the damage to the high accuracy product, wherein location head can carry out solitary height adjustment based on the design of its outer tooth screw thread itself to cooperate the product of bigger diameter, just so need not to dismantle once more and change, even unable detection.

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 (8)

1. A radial clearance detector comprises a base (1), foot seats (2), a fixing block (3), a V-shaped fixing block (4), a fixing handle (5), a testing handle (6), a meter (7), a positioning head (8), an auxiliary plate (9) and positioning pins (10), and is characterized in that the foot seats (2) are fixedly arranged at four opposite corners of the bottom of the base (1), and the V-shaped fixing block (4), the fixing handle (5), the testing handle (6) and the meter (7) are arranged at the top of the base through the matching of the positioning pins (10) and the fixing block (3); the fixed handle (5) and the testing handle (6) are both designed as link mechanisms, the fixed handle (5) can drive the positioning head (8) fixed above the fixed handle to ascend or descend in the rotating process, and the testing handle (6) can drive the testing meter (7) fixed above the fixed handle to ascend or descend in the rotating process; the number of the fixed handles (5) with the positioning heads (8) is two, and the fixed handles are symmetrically fixed on the base (1) through trapezoidal fixed blocks (3); the upper surface of the base (1) is further provided with a groove for fixedly arranging a V-shaped fixing block (4), the specific position of the groove is located between the two fixing handles (5), the inner cavity of the groove and the V-shaped fixing block (4) are respectively provided with a plurality of through holes corresponding to each other in position, and the V-shaped fixing block (4) is fixedly arranged in the groove through the matching of the through holes, the auxiliary plate (9) and the positioning pins (10); a V-shaped groove is integrally formed on the V-shaped fixing block (4), and the middle section of the V-shaped groove is designed in a sinking mode, namely the left end and the right end of the V-shaped groove on the V-shaped fixing block (4) are not at the same height with the horizontal plane of the middle section; the test handle (6) with the meter (7) is fixedly arranged behind the V-shaped fixing block (4) through the fixing block (3), wherein the meter (7) needs to be positioned above the V-shaped groove.

2. A radial gap detector according to claim 1, wherein the foot rest (2) and the positioning head (8) are sleeved and wrapped with an antistatic PVC or rubber coat.

3. A radial gap detector according to claim 1, characterized in that the gauge (7) is also fixed to the linkage of the test handle (6) by means of a fixing pin (10).

4. A radial gap detector according to claim 1, characterized in that the gauge (7) can be a dial gauge, a dial gauge or the same type of gauge.

5. A radial clearance measuring instrument according to claim 1, characterized in that the positioning head (8) of the fixed handle (5) is provided with an external thread at its end and is fixed to the fixed handle (5) by means of a washer and a nut.

6. A radial gap detector as claimed in claim 5, characterized in that the positioning blocks for mounting the fixed handle (5), the test handle (6) and the gauges (7) are of a size and number that can be varied according to actual test or assembly requirements.

7. A radial gap detector according to claim 1, characterized in that the test handle (6) is rotated to move the gauge (7) vertically by a distance equal to or less than the length of the sliding guide (100) on the linkage.

8. A radial gap detector according to claim 1, characterized in that the edges of the V-shaped fixing block (4) are chamfered.

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