Device for measuring distance between shaft holes of workpiece

Abstract

The utility model discloses a device for measuring the distance between workpiece shaft holes, which comprises a steel sleeve, a top cover is arranged at the top end of the steel sleeve, a first detection pin column and a second detection pin column are arranged on the top cover in a sliding manner, a fixed ruler is rotatably mounted at the axis of the top end of the first detection pin column, and an extension ruler is arranged on the fixed ruler in an extension manner; a positioning block is arranged at the tail end of the extension scale, a positioning groove matched with the positioning block is formed in the top end of the second detection pin column, the positioning block and the positioning groove are mutually clamped, and the axis of the positioning block and the axis of the second detection pin column are matched.

Description

TECHNICAL FIELD

[0001] The utility model relates to shaft hole spacing measurement technical field more specifically, it relates to a kind of measurement device of workpiece shaft hole distance. BACKGROUND

[0002] In the machining process, multiple holes are provided on the workpiece for corresponding installation. In the detection process of the workpiece, the holes need to be measured. The traditional measuring tool needs to detect the coaxiality of the coaxially arranged holes and the center distance between different holes respectively.

[0003] For example, the Chinese patent document with publication number CN205448944U discloses a comprehensive gauge for measuring hole precision. The gauge detects the center distance between the shaft holes of the workpiece and the coaxiality of the shaft holes by cooperating with the structures such as the testing rod, the coaxiality ring gauge, the center distance ring gauge, and the block. However, the center distance and the coaxiality need to be detected separately in two times during the detection, which is inconvenient to operate. SUMMARY

[0004] To solve the technical problem of the inconvenient operation and the inconvenient observation of the center distance when detecting the coaxiality and the center distance between the shaft holes of the workpiece in the prior art, the utility model provides a measurement device for the distance between the shaft holes of the workpiece.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a measurement device for the distance between the shaft holes of the workpiece, comprising a steel sleeve, a top cap is arranged at the top end of the steel sleeve, a first detection pin and a second detection pin are slidably arranged on the top cap, a fixed ruler is rotatably installed at the top end of the first detection pin, an extendable ruler is telescopically arranged on the fixed ruler, a positioning block is arranged at the tail end of the extendable ruler, a positioning groove is arranged at the top end of the second detection pin in cooperation with the positioning block, the positioning block and the positioning groove are mutually clamped, and the shaft centers of the positioning block and the second detection pin are matched.

[0006] The utility model is further provided as follows: a sliding groove is arranged at the tail end of the extendable ruler, the positioning block is limited to slide in the sliding groove, a connecting plate is arranged at the top end of the positioning block, a spring is arranged between the connecting plate and the extendable ruler. When there is no external force, the positioning block can be pressed down tightly in the sliding groove and clamped in the positioning groove by the spring, so as to realize the stable connection between the extendable ruler and the second detection pin.

[0007] The utility model is further provided as follows: a pull ring is arranged at the top end of the connecting plate. The pull ring can improve the convenience of pulling the connecting plate and the positioning block upward, so as to facilitate the clamping of the positioning block into the positioning groove or moving out of the positioning groove.

[0008] The utility model further sets up, the steel cover cooperation first pin post and second detection pin post all are set up with the hole of extending, first detection pin post and second detection pin post are located in the corresponding hole of extending in sliding respectively, realize the location installation of first detection pin post and second detection pin post on the top cap through the hole of extending, and be used for the positioning when the workpiece shaft hole detection, wherein, the steel cover and the hole of extending are all standard parts, are used to check whether the workpiece is in compliance.

[0009] The utility model further sets up, the top of hole of extending cooperation is provided with the guide section, the top of guide section cooperation is provided with the lead -in section, the bore of lead -in section is greater than the bore of guide section, and the arc extension is to guide section direction, first detection pin post and second detection pin post can be more convenient to enter guide section through the lead -in section, can further improve the accuracy and stability of first detection pin post and second detection pin post when detecting workpiece through the setting of guide section.

[0010] The utility model further sets up, be provided with the scale on the flexible ruler, wherein, the mark starting point of scale is the distance of one end of fixed scale connecting flexible ruler to the position of the axis coincidence between fixed scale and fixed scale and first detection pin post, in this way, when the flexible ruler is retracted on the fixed scale, the scale of the outer end part of fixed scale is the center distance between two holes, so that the center distance between two holes can be directly observed.

[0011] The utility model further sets up, be provided with the scale on the flexible ruler, wherein, the mark starting point of scale is the distance of one end of fixed scale connecting flexible ruler to the position of the axis coincidence between fixed scale and fixed scale and first detection pin post, in this way, when the flexible ruler is retracted on the fixed scale, the scale of the outer end part of fixed scale is the center distance between two holes, so that the center distance between two holes can be directly observed.

[0012] The utility model further sets up, be provided with the scale on the flexible ruler, wherein, the mark starting point of scale is the distance of one end of fixed scale connecting flexible ruler to the position of the axis coincidence between fixed scale and fixed scale and first detection pin post, in this way, when the flexible ruler is retracted on the fixed scale, the scale of the outer end part of fixed scale is the center distance between two holes, so that the center distance between two holes can be directly observed.

[0013] Beneficial effects:

[0014] Compared with the prior art, the utility model provides a kind of workpiece shaft hole distance measuring device, with following beneficial effects:

[0015] 1. The utility model discloses a steel sleeve is set up on the workpiece to be detected perpendicularly, and the first detection pin post and the second detection pin post can reach the bottom of the hole respectively, and the workpiece is coaxial inspection qualified, if the steel sleeve is tight or not put in the hole during the process of fitting, the workpiece is unqualified, and the operation is convenient.

[0016] 2. The utility model discloses the fixed scale and telescopic scale that are set up on the top of first detection pin post and second detection pin post, when first detection pin post and second detection pin post are inserted into the hole on the workpiece respectively, can rotate fixed scale, and the telescopic scale is rotated through fixed scale, when the tail end of telescopic scale rotates, the top of second detection pin post, and the positioning post on telescopic scale is clamped and enters the positioning groove in second detection pin post, realize the stable connection between telescopic scale and fixed scale, so that the center distance between two holes can be observed directly through the scale on telescopic scale, improve detection convenience.

[0017] 3. The utility model discloses simple structure, convenient operation, and compared with the prior art inspection equipment has more fast, more simple, easy to use's advantage. ACCURACY

[0018] Figure 1 It is the whole structure schematic diagram of the measuring device of the workpiece shaft hole distance in the utility model Figure 1 ;

[0019] Figure 2 It is the structure cross section schematic drawing of the whole use of the utility model;

[0020] Figure 3 It is the whole cross section exploded schematic drawing of the utility model;

[0021] Figure 4 It is the connecting structure cross section schematic drawing between fixed scale and telescopic scale in the utility model;

[0022] Figure 5 It is the local connecting structure cross section schematic drawing between telescopic scale, positioning block, positioning groove and second detection pin post in the utility model.

[0023] In the drawing: 1, steel sleeve;2, top cap;3, first detection pin post;4, second detection pin post;5, fixed scale;6, telescopic scale;7, positioning block;8, positioning groove;9, sliding slot;10, connecting plate;11, spring;12, pull ring;13, hole;14, guide section;15, lead-in section;16, scale;17, telescopic cavity;18, mounting shaft;19, coil spring. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0026] In the present application, unless otherwise specified, the orientation such as "up, down" is generally directed to the direction shown in the drawings, or is directed to the vertical, perpendicular or gravity direction. Similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings, and "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0027] Please refer to Figures 1-5 A workpiece shaft hole distance measuring device, comprising a steel sleeve 1, the top end of the steel sleeve 1 is provided with a top cover 2, the first detection pin 3 and the second detection pin 4 are slidably arranged on the top cover 2;

[0028] In use, the steel sleeve 1 is vertically sleeved on the workpiece to be detected, the steel sleeve 1 is pressed down by hand, and the first detection pin 3 and the second detection pin 4 can respectively easily reach the bottom of the hole, and the workpiece coaxiality inspection is considered qualified, if the pin is tight or the sleeve does not enter during the sleeving process, the workpiece is considered unqualified, and the operation is convenient;

[0029] The utility model discloses a fixed scale 5 is rotationally installed at the top end axis of the first detection pin 3, and the telescopic scale 6 is telescopically arranged on the fixed scale 5, the tail end of the telescopic scale 6 is provided with a positioning block 7, and the top end of the second detection pin 4 is provided with a positioning groove 8 matched with the positioning block 7, the positioning block 7 and the positioning groove 8 are mutually clamped, and the axis of the second detection pin 4 is matched;

[0030] When the first detection pin 3 and the second detection pin 4 are respectively inserted into the holes on the workpiece, the fixed scale 5 can be rotated, the telescopic scale 6 is driven to rotate by the fixed scale 5, the tail end of the telescopic scale 6 is rotated to the top end of the second detection pin 4, and the positioning column on the telescopic scale 6 is clamped into the positioning groove 8 on the second detection pin 4, so that the stable connection between the telescopic scale 6 and the fixed scale 5 is realized, and the center distance between the two holes can be directly observed by observing the scale 16 on the telescopic scale 6, thereby improving the detection convenience;

[0031] Please refer to Figures 1-5As an embodiment of the telescopic ruler 6: the tail end of the telescopic ruler 6 is provided with a sliding groove 9, the positioning block 7 is limited to slide in the sliding groove 9, the top end of the positioning block 7 is provided with a connecting plate 10, and the connecting plate 10 is provided with a spring 11 between the telescopic ruler 6. Through the setting of the spring 11, when there is no external force, the positioning block 7 can be pressed down in the sliding groove 9 and clamped in the positioning groove 8, so as to realize the stable connection between the telescopic ruler 6 and the second detection pin 4.

[0032] Please refer to Figures 1-5 As an embodiment of the connecting plate 10: the top end of the connecting plate 10 is provided with a pull ring 12, which can improve the convenience of pulling the connecting plate 10 and the positioning block 7 upward, so as to facilitate the positioning block 7 to be clamped into the positioning groove 8 or moved out of the positioning groove 8.

[0033] Please refer to Figures 1-5 As an embodiment of the steel sleeve 1: the steel sleeve 1 is provided with an extension hole 13 matched with the first pin and the second detection pin 4, the first detection pin 3 and the second detection pin 4 are respectively located in the corresponding extension hole 13, and the extension hole 13 is used for limiting and installing the first detection pin 3 and the second detection pin 4 on the top cover 2, so as to position the workpiece shaft hole for detection. The steel sleeve 1 and the extension hole 13 are standard parts, which are used to check whether the workpiece is in compliance.

[0034] Please refer to Figures 1-5 As an embodiment of the extension hole 13: the top end of the extension hole 13 is provided with a guide section 14, the top end of the guide section 14 is provided with a guide section 15, the caliber of the guide section 15 is larger than that of the guide section 14, and the guide section 15 extends arcuately to the guide section 14. Through the guide section 15, the first detection pin 3 and the second detection pin 4 can enter the guide section 14 more conveniently, and the guide section 14 can further improve the accuracy and stability of the first detection pin 3 and the second detection pin 4 during detection of the workpiece.

[0035] Please refer to Figures 1-5 As an embodiment of the telescopic ruler 6: the telescopic ruler 6 is provided with a scale 16, wherein the mark starting point of the scale 16 is the distance from the one end of the fixed ruler 5 connected with the telescopic ruler 6 to the position where the axis of the fixed ruler 5 and the fixed ruler 5 and the first detection pin 3 coincide. When the telescopic ruler 6 is telescoped on the fixed ruler 5, the corresponding scale 16 of the outer end of the fixed ruler 5 is the center distance between the two holes, so that the center distance between the two holes can be directly observed.

[0036] Please refer to Figures 1-5As an embodiment of the fixed ruler 5: a telescopic cavity 17 is formed in the fixed ruler 5, and the telescopic ruler 6 is slidably arranged in the telescopic cavity 17, and the telescopic cavity 17 is used to achieve the telescopic installation of the telescopic ruler 6 in the fixed ruler 5, so that the center distance between different hole diameters can be measured flexibly when facing different fixed sleeves, and the first detection pin 3 and the second detection pin 4 can be used in cooperation with different steel sleeves 1.

[0037] Please refer to Figures 1-5 As an embodiment of the telescopic cavity 17: the telescopic cavity 17 is provided with a mounting shaft 18, and the mounting shaft 18 is provided with a coil spring 19, and the tail end of the coil spring 19 is connected with the end of the telescopic ruler 6 in the fixed ruler 5, when the telescopic ruler 6 is stretched outward, the coil spring 19 is wound, so that the elastic force is generated, so that when not in use, the telescopic ruler 6 can be automatically retracted into the telescopic groove under the action of the coil spring 19, and the installation stability of the telescopic ruler 6 on the fixed ruler 5 is improved.

[0038] In summary:

[0039] In use, the steel sleeve 1 is vertically sleeved on the workpiece to be detected, the steel sleeve 1 is pressed down by hand, and the first detection pin 3 and the second detection pin 4 can respectively reach the bottom of the hole, and the workpiece is considered to be coaxiality inspection qualified, if the steel sleeve 1 is not sleeved during the sleeving process, the pin is tight or the sleeving sleeve does not enter, and the workpiece is considered to be unqualified, and the operation is convenient;

[0040] The utility model discloses a first detection pin 3 and second detection pin 4 top are provided with the fixed ruler 5 and telescopic ruler 6 that cooperate with each other, when the first detection pin 3 and second detection pin 4 are inserted into the hole on the workpiece respectively, can rotate the fixed ruler 5, drive the telescopic ruler 6 to rotate through the fixed ruler 5, make the top of second detection pin 4 when the tail end of telescopic ruler 6 rotates, and make the positioning column on telescopic ruler 6 snap into the positioning groove 8 on second detection pin 4, realize the stable connection between telescopic ruler 6 and fixed ruler 5, so that the center distance between two holes can be directly observed through the scale 16 on telescopic ruler 6, improve detection convenience;

[0041] The utility model also has another embodiment:

[0042] In the implementation of a certain type of workpiece detection, the positioning block 7 on the telescopic ruler 6 can be engaged in the positioning groove 8 at the top of the second detection pin column 4, and then the first detection pin column 3 and the second detection pin column 4 are respectively slid into the corresponding insertion hole 13, and then the steel sleeve 1 is sleeved on the outside of the workpiece, so that the first detection pin column 3 and the second detection pin column 4 are pressed down, if the first detection pin column 3 and the second detection pin column 4 can reach the bottom of the hole respectively, it is considered that the workpiece coaxiality test is qualified, if the pin is tight or the sleeve does not enter during the sleeve fitting process, it is considered that the workpiece is unqualified;

[0043] The size and position of the first detection pin column 3 and the second detection pin column 4 are not limited in the utility model, so that the first detection pin column 3 and the second detection pin column 4 of a certain type can be used in cooperation with different steel sleeves 1, or the first detection pin column 4 and the second detection pin column 2 of the same type can be used in cooperation, as long as they are used in cooperation with the matched steel sleeve 1, so that the first detection pin column 3 and the second detection pin column 4 of different types can be used in combination with different steel sleeves 1, and the size and type of the opening in the workpiece processing process are standardized and limited, so that the detection range and use flexibility can be improved;

[0044] The utility model has the advantages of simple structure, convenient operation, and faster, simpler and easier use compared with the prior art.

[0045] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods, which will not be described here. In the above, when the fixed connection is mentioned, the welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents;

[0046] In all the schemes mentioned above, if there is no explicit description, the electrical element operation is controlled by the controller. Since the controller is matched with the commonly used equipment, its control principle and circuit connection belong to the existing known and mature technology, and the specific circuit structure will not be described here.

[0047] In all the schemes mentioned above, if the actual need is met, the motor can be matched with the speed reducer. The connection structure and working principle between the motor and the speed reducer are existing known technologies, and the utility model will not be described here.

[0048] In all the above-mentioned schemes, the solar panel is connected to the battery, and the necessary accessories such as the inverter, the battery charging controller, the cable and the fuse, and the support, etc. are matched. The control principle and the line connection are all the existing known and mature technology, and the specific circuit structure is not described here.

Claims

1. A device for measuring the distance between the axes of workpieces, comprising a steel sleeve (1), characterised in that: The top end of the steel sleeve (1) is provided with a top cover (2), the first detection pin (3) and the second detection pin (4) are slidably arranged on the top cover (2), the top end of the first detection pin (3) is rotatably installed with a fixed ruler (5), the fixed ruler (5) is provided with a telescopic ruler (6) which is telescopically arranged, the tail end of the telescopic ruler (6) is provided with a positioning block (7), the top end of the second detection pin (4) is provided with a positioning groove (8) matched with the positioning block (7), the positioning block (7) and the positioning groove (8) are clamped with each other, and the axis of the second detection pin (4) is matched with the axis.

2. The apparatus of claim 1 wherein: The tail end of the telescopic ruler (6) is provided with a sliding groove (9), the positioning block (7) is limited to slide in the sliding groove (9), the top end of the positioning block (7) is provided with a connecting plate (10), and the connecting plate (10) and the telescopic ruler (6) are provided with a spring (11).

3. The apparatus of claim 2 wherein: The top end of the connecting plate (10) is provided with a pull ring (12). ​ 4. The apparatus of claim 1 wherein: The first detection pin (3) and the second detection pin (4) are both provided with an insertion hole (13) matched with the first detection pin (3) and the second detection pin (4) on the steel sleeve (1), and the first detection pin (3) and the second detection pin (4) are respectively slidably arranged in the corresponding insertion hole (13). ​ 5. The apparatus of claim 4 wherein: The top end of the insertion hole (13) is provided with a guide section (14), the top end of the guide section (14) is provided with a guide-in section (15), the caliber of the guide-in section (15) is larger than the caliber of the guide section (14), and the guide-in section (15) extends in an arc shape towards the guide section (14). ​ 6. A measuring device for the distance between workpiece shaft holes according to any one of claims 1-5, characterized in that: The telescopic ruler (6) is provided with a scale (16).

7. The apparatus of claim 6 wherein: The fixed ruler (5) is provided with a telescopic cavity (17), and the telescopic ruler (6) is slidably arranged in the telescopic cavity (17). ​ 8. The apparatus of claim 7 wherein: The telescopic cavity (17) is provided with a mounting shaft (18), the mounting shaft (18) is installed with a coil spring (19), and the tail end of the coil spring (19) is connected with the end of the telescopic ruler (6) located in the fixed ruler (5). ​

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