Tooth space distance measuring device and measuring method for gear detection

Abstract

The invention discloses a tooth space distance measuring device for gear detection and a measuring method, and relates to the technical field of gear detection.The tooth space distance measuring device comprises a base, an adjusting seat and a detection table are arranged on the upper surface of the base, and a detection unit is arranged at one end of the adjusting seat and located above the detection table; according to the device, through cooperation of a pull ring, a connecting rod, a fixing head, a first spring, a fixing pin and a plurality of pin holes, the fixing position of the supporting frame on the outer surface of the supporting column can be adjusted, the measuring position can be adjusted conveniently according to the requirement for measuring different tooth pitches of the gear, the gear does not need to be disassembled and assembled repeatedly, the detection convenience is improved, and the detection efficiency is improved. According to the tooth space measurement device, the accuracy of measurement data is ensured, the tooth space is measured through the cooperation between the connector and the connecting screw rod and the cooperation between the contact head and the fastening nut, it is ensured that the contact head can be attached to the inner side wall of the tooth space, the tooth space is accurately measured, measurement data of multiple tooth spaces are obtained, the measurement efficiency is improved, and the measurement range is widened.

Description

Technical Field

[0001] The present invention relates to the technical field of gear detection, and in particular to a tooth pitch distance measuring device and a measuring method for gear detection. Background Art

[0002] Gears are one of the commonly used mechanical parts. During the production and processing, gears need to undergo multiple tests before they can meet the use requirements. During gear processing, the gear tooth spacing needs to be measured and tested. Only by measuring the tooth spacing can it be known whether the gear can mesh with other gears and achieve the transmission effect. When measuring the gear tooth spacing, the existing distance measuring device cannot synchronously measure multiple gear tooth spacings after the gear is fixed. The fixed gear needs to be disassembled and assembled repeatedly, which not only increases time and labor costs, but also affects the accuracy of the gear measurement data and affects the distance measurement results. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a tooth pitch measuring device and a measuring method for gear detection, which solves the problem that multiple tooth pitches cannot be measured on a fixed gear.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A tooth pitch distance measuring device for gear detection, comprising a base, an adjustment seat and a detection platform are arranged on the upper surface of the base, and a detection unit is arranged at one end of the adjustment seat and above the detection platform;

[0005] The adjustment seat comprises a seat body, a fixed sleeve is connected to the top surface of the seat body, a support frame is connected to the outer surface of the seat body, a first adjustment groove is opened on the surface of the support frame, a first screw rod is connected through the inner side wall of the first adjustment groove, and a pull ring is connected to one side of the bottom of the support frame;

[0006] The detection unit includes a movable plate, a fourth adjustment groove is opened on the surface of the movable plate, a stopper is connected to the upper surface of the movable plate, a guide rod is connected to one side of the stopper, a shift block is connected to the outer surface of the guide rod and the inner side wall of the fourth adjustment groove, and the bottom end of the shift block is connected to the measuring plate.

[0007] As a further technical solution of the present invention, the bottom surface of the detection platform is connected to a support column, the top surface of the detection platform is provided with a third adjustment groove, the outer surface of the detection platform and the inner side wall that passes through the third adjustment groove are connected to a second screw rod, the outer surface of the second screw rod is connected to two adjustment blocks, the top surfaces of the two adjustment blocks are connected to a fixing column, the outer surface of the fixing column is connected to a limiting cylinder, the outer surface of the limiting cylinder is provided with a plurality of protrusions in a ring shape, and the top surface of the fixing column is connected to a fixing screw.

[0008] As a further technical solution of the present invention, a second adjustment groove is provided on the bottom surface of the support frame, a sliding rod is connected to the inner side wall of the second adjustment groove, one end of the pull ring is connected to two connecting rods, one end of the two connecting rods is connected to a fixed head, the end surface of the fixed head and the sliding rod are provided with through holes, a side surface of the fixed head and the outer surface of the sliding rod are connected to a first spring, one end of the fixed head is connected to a fixing pin, and the outer surface of the support column is annular and has multiple pin holes corresponding to the fixing pin.

[0009] As a further technical solution of the present invention, the inner wall of the first adjusting groove and the outer surface of the first screw rod are connected to one end of a movable plate, a support rod is provided at the bottom of the measuring plate, two measuring blocks are connected to the outer surface of the support rod, a third spring is connected to one side surface of the two measuring blocks and the outer surface of the support rod, and connecting screws are provided on both sides of the bottom of the measuring blocks.

[0010] As a further technical solution of the present invention, two indicating blocks are connected to the top of the two measuring blocks, multiple scale marks are provided on both side surfaces of the measuring plate, the outer surface of the connecting screw is connected to a connecting head, a contact head is provided at one end of the connecting head, and a fastening nut is connected to the outer surface of the connecting screw and on one side of the connecting head.

[0011] As a further technical solution of the present invention, the inner diameter size of the first adjustment groove is adapted to the sliding path of the movable plate, the inner diameter size of the fixed sleeve is adapted to the outer diameter size of the support column, the inner diameter size of the second adjustment groove is adapted to the sliding path of the fixed head, and the inner diameter size of the multiple pin holes is adapted to the outer diameter size of the fixed pin.

[0012] As a further technical solution of the present invention, the inner diameter of the fourth adjustment groove is adapted to the sliding path of the shift block, the outer diameter of the support rod is adapted to the sliding path of the measuring block, the position of one end of the contact head corresponds to the position of the indicating block, and the measuring block is connected to the connecting head via a connecting screw and a fastening nut.

[0013] A tooth pitch measuring device for gear detection, the measuring method of which comprises the following steps:

[0014] S1. During measurement, replace the limit cylinder of the corresponding size according to the size of the gear, and fix the limit cylinder to the outer surface of the fixing column by fixing screws, place the gear on the outside of the two limit cylinders, and rotate the second screw rod to make the two adjustment blocks slide to both sides at the same time until the protrusion is tightly fixed to the inner groove of the gear to achieve the fixing effect of the gear;

[0015] S2. Further, according to the size of the gear, the first screw is rotated so that the movable plate rotates along the inner wall of the first adjustment groove, the measuring plate is adjusted to an appropriate height, and then the pull ring is stretched outward according to the position of the detection gear, and the two connecting rods drive the fixed head and the fixed pin to slide, so that the fixed pin is separated from the support column, and then the support frame is rotated to drive the detection unit to rotate to an appropriate position, and then the pull ring is released, and the first spring drives the fixed head and the fixed pin to reset and insert them into the corresponding pin hole, so as to complete the effect of detecting different gear positions;

[0016] S3. Further, according to the position and depth of the tooth groove, loosen the fastening nut so that the connecting head and the contact head are connected to the outer surface of the screw rod and rotated. After the contact head is rotated to the appropriate angle for measurement, tighten the fastening nut, and then slide the measuring block along the outer surface of the support rod, stretch the third spring, so that the two contact heads are located on the inner side of the tooth groove, loosen the measuring block, and the two third springs drive the measuring block and the contact head to slide to both sides until the two contact heads are in contact with the inner wall of the tooth groove. Then, observe the position of the indicator block on the scale mark to achieve the measurement of the tooth spacing.

[0017] The present invention provides a tooth pitch distance measuring device and a measuring method for gear detection. Compared with the prior art, it has the following beneficial effects:

[0018] 1. A tooth pitch distance measuring device and a measuring method for gear detection. Through the cooperation between a pull ring, a connecting rod, a fixed head, a first spring, a fixed pin and a plurality of pin holes, the fixed position of a support frame on the outer surface of a support column can be adjusted, so that it is convenient to adjust the measuring position according to the needs of measuring different tooth pitches of gears, without repeatedly disassembling and assembling gears, thereby improving the convenience of detection and ensuring the accuracy of measurement data.

[0019] 2. A tooth pitch measuring device and a measuring method for gear detection, which can measure the tooth pitch according to the shape and structure of the gear tooth groove through the cooperation between the connecting head and the connecting screw and the contact head and the fastening nut, ensure that the contact head can fit with the inner wall of the tooth groove, and accurately measure the tooth pitch through the cooperation of the third spring, the indicator block and the scale mark, obtain the measurement data of multiple tooth pitches, improve the measurement efficiency, and increase the measurement range. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a tooth pitch distance measuring device and a measuring method for gear detection;

[0021] Figure 2 It is a left view of a tooth spacing distance measuring device and a measuring method for gear detection;

[0022] Figure 3It is a schematic diagram of the decomposed structure of a tooth spacing distance measuring device and a measuring method for gear detection;

[0023] Figure 4 A tooth spacing measuring device and a measuring method for gear detection Figure 3 A magnified view of A in FIG.

[0024] Figure 5 It is a schematic diagram of the exploded structure of a detection unit of a tooth pitch distance measuring device and a measurement method for gear detection;

[0025] Figure 6 A tooth spacing measuring device and a measuring method for gear detection Figure 5 An enlarged view of B in FIG.

[0026] Figure 7 The present invention is a schematic diagram of the exploded structure of an adjustment seat for a tooth pitch distance measuring device and a measuring method for gear detection.

[0027] In the figure: 1, base; 2, adjustment seat; 21, seat body; 22, fixed sleeve; 23, support frame; 24, first adjustment slot; 25, first screw rod; 26, second adjustment slot; 27, slide rod; 28, pull ring; 29, connecting rod; 201, first spring; 202, fixed head; 203, fixed pin; 3, test bench; 31, support column; 32, third adjustment slot; 33, second screw rod; 34, pin hole; 35, adjustment block; 36, fixed Column; 37, limit cylinder; 38, bump; 39, fixing screw; 4, detection unit; 41, movable plate; 42, fourth adjustment slot; 43, stopper; 44, guide rod; 45, shifting block; 46, second spring; 47, measuring plate; 48, support rod; 49, measuring block; 401, connecting screw; 402, third spring; 403, connecting head; 404, contact head; 405, indicating block; 406, scale mark; 407, fastening nut. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-7The present invention provides a technical solution for a tooth pitch distance measuring device and a measuring method for gear detection: a tooth pitch distance measuring device for gear detection, comprising a base 1, an upper surface of the base 1 is provided with an adjusting seat 2 and a detection platform 3, one end of the adjusting seat 2 and located above the detection platform 3 is provided with a detection unit 4, the adjusting seat 2 comprises a seat body 21, the top surface of the seat body 21 is connected with a fixed sleeve 22, the outer surface of the seat body 21 is connected with a support frame 23, the surface of the support frame 23 is provided with a first adjusting groove 24, the inner side wall of the first adjusting groove 24 is penetrated and connected with a first screw rod 25, a side surface of the bottom of the support frame 23 is connected with a pull ring 28, the detection unit 4 comprises a movable plate 41, the surface of the movable plate 41 is provided with a fourth adjusting groove 42, the upper surface of the movable plate 41 is connected with a stopper 43, one side of the stopper 43 is connected with a guide rod 44, the outer surface of the guide rod 44 and the inner side wall of the fourth adjusting groove 42 are connected with a shift block 45, and the bottom end of the shift block 45 is connected with a measuring plate 47.

[0030] like Figure 1-4 As shown, the bottom surface of the testing platform 3 is connected to a support column 31, and the top surface of the testing platform 3 is provided with a third adjustment groove 32. The outer surface of the testing platform 3 and the inner side wall that passes through the third adjustment groove 32 are connected to a second screw rod 33. The outer surface of the second screw rod 33 is connected to two adjustment blocks 35. The top surfaces of the two adjustment blocks 35 are connected to a fixing column 36. The outer surface of the fixing column 36 is connected to a limiting cylinder 37. The outer surface of the limiting cylinder 37 is provided with a plurality of protrusions 38 in a ring shape. The top surface of the fixing column 36 is connected to a fixing screw 39. It should be noted that the second screw rod 33 can drive the movement of the two limiting cylinders 37, so that the two limiting cylinders 37 can simultaneously limit and fix the inner groove of the gear to achieve the effect of fixing the gear. By replacing limiting cylinders 37 of different sizes, the limiting and fixing effect of gears of different sizes can be achieved.

[0031] like Figure 7As shown, the bottom surface of the support frame 23 is provided with a second adjustment groove 26, the inner side wall of the second adjustment groove 26 is connected to a slide bar 27, one end of the pull ring 28 is connected to two connecting rods 29, one end of the two connecting rods 29 is connected to a fixed head 202, the end surface of the fixed head 202 and the slide bar 27 are provided with through holes, one side surface of the fixed head 202 and the outer surface of the slide bar 27 are connected to a first spring 201, one end of the fixed head 202 is connected to a fixing pin 203, the outer surface of the support column 31 is annular and a plurality of pin holes 34 are provided corresponding to the fixing pin 203, the inner diameter size of the first adjustment groove 24 is the same as that of the movable plate 41 The inner diameter of the fixed sleeve 22 is adapted to the outer diameter of the support column 31, the inner diameter of the second adjusting groove 26 is adapted to the sliding path of the fixed head 202, and the inner diameter of the plurality of pin holes 34 is adapted to the outer diameter of the fixed pin 203. It should be noted that the pull ring 28 can control the fixed head 202 and the fixed pin 203 to be inserted into a plurality of different pin holes 34, thereby facilitating the control of the fixed angle at which the support frame 23 is fixed on the outer surface of the support column 31, thereby facilitating the detection and measurement of the plurality of tooth grooves and tooth spacings of the gear, without the need for repeated disassembly and assembly of the gear, thereby improving the measurement accuracy.

[0032] like Figure 5-6 As shown, the inner side wall of the first adjusting groove 24 and the outer surface of the first screw rod 25 are connected to one end of the movable plate 41, a support rod 48 is arranged at the bottom of the measuring plate 47, two measuring blocks 49 are connected to the outer surface of the support rod 48, a third spring 402 is connected to one side of the two measuring blocks 49 and the outer surface of the support rod 48, connecting screws 401 are arranged on both sides of the bottom of the measuring blocks 49, two indicating blocks 405 are connected to the top of the two measuring blocks 49, a plurality of scale marks 406 are arranged on the two side surfaces of the measuring plate 47, a connecting head 403 is connected to the outer surface of the connecting screw 401, a contact head 404 is arranged at one end of the connecting head 403, and a contact head 404 is arranged at one end of the connecting head 403. It is connected with a fastening nut 407, the inner diameter size of the fourth adjustment groove 42 is adapted to the sliding path of the shift block 45, the outer diameter size of the support rod 48 is adapted to the sliding path of the measuring block 49, the position of one end of the contact head 404 corresponds to the position of the indicating block 405, and the measuring block 49 is connected to the connecting head 403 through the connecting screw 401 and the fastening nut 407. It should be noted that due to the different structures of the tooth grooves and teeth of different gears, the required measurement position of the contact head 404 is also different, and the measuring angle of the contact head 404 can be adjusted by the fastening nut 407 to meet the detection requirements of various structural models of gears, and the position of the contact head 404 corresponds to the indicating block 405, so the exact value of the tooth spacing can be accurately known.

[0033] A tooth pitch measuring device for gear detection, the measuring method of which comprises the following steps:

[0034] S1. During measurement, replace the limit cylinder 37 of the corresponding size according to the size of the gear, and fix the limit cylinder 37 to the outer surface of the fixing column 36 by the fixing screw 39, place the gear on the outside of the two limit cylinders 37, rotate the second screw 33, so that the two adjustment blocks 35 slide to both sides at the same time, until the protrusion 38 is tightly fixed to the inner groove of the gear, so as to achieve the fixing effect of the gear;

[0035] S2. Further, according to the size of the gear, the first screw rod 25 is rotated so that the movable plate 41 rotates along the inner wall of the first adjustment slot 24, and the measuring plate 47 is adjusted to an appropriate height. Then, according to the position of the detection gear, the pull ring 28 is stretched outward, and the two connecting rods 29 drive the fixed head 202 and the fixed pin 203 to slide, so that the fixed pin 203 is separated from the support column 31. Then, the support frame 23 is rotated to drive the detection unit 4 to rotate to an appropriate position, and then the pull ring 28 is released. The first spring 201 drives the fixed head 202 and the fixed pin 203 to reset and insert them into the corresponding pin hole 34, so that the effect of detecting different gear positions can be completed;

[0036] S3. Further, according to the position and depth of the tooth groove, loosen the fastening nut 407 so that the connecting head 403 and the contact head 404 are connected to the outer surface rotation angle of the screw 401. After the contact head 404 is rotated to the appropriate angle for measurement, tighten the fastening nut 407, and then slide the measuring block 49 along the outer surface of the support rod 48, stretch the third spring 402, so that the two contact heads 404 are located on the inner side of the tooth groove, loosen the measuring block 49, and the two third springs 402 drive the measuring block 49 and the contact head 404 to slide to both sides until the two contact heads 404 are in contact with the inner wall of the tooth groove. Then, observe the position of the indicator block 405 at the scale mark 406 to achieve the measurement of the tooth spacing.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tooth pitch distance measuring device for gear detection, comprising a base (1), characterized in that: An adjustment seat (2) and a detection platform (3) are arranged on the upper surface of the base (1); a detection unit (4) is arranged at one end of the adjustment seat (2) and above the detection platform (3); The adjustment seat (2) comprises a seat body (21), the top surface of the seat body (21) is connected to a fixed sleeve (22), the outer surface of the seat body (21) is connected to a support frame (23), a first adjustment groove (24) is provided on the surface of the support frame (23), a first screw rod (25) is connected through the inner side wall of the first adjustment groove (24), and a pull ring (28) is connected to one side surface of the bottom of the support frame (23); The detection unit (4) comprises a movable plate (41), a fourth adjustment groove (42) is provided on the surface of the movable plate (41), a stopper (43) is connected to the upper surface of the movable plate (41), a side surface of the stopper (43) is connected to a guide rod (44), a shifting block (45) is connected to the outer surface of the guide rod (44) and located on the inner side wall of the fourth adjustment groove (42), and a measuring plate (47) is connected to the bottom end of the shifting block (45).

2. A tooth pitch distance measuring device for gear detection according to claim 1, characterized in that: The bottom surface of the detection platform (3) is connected to a support column (31), the top surface of the detection platform (3) is provided with a third adjustment groove (32), the outer surface of the detection platform (3) and the inner side wall of the third adjustment groove (32) are connected to a second screw rod (33), the outer surface of the second screw rod (33) is connected to two adjustment blocks (35), the top surfaces of the two adjustment blocks (35) are connected to a fixing column (36), the outer surface of the fixing column (36) is connected to a limiting cylinder (37), the outer surface of the limiting cylinder (37) is provided with a plurality of protrusions (38) in an annular shape, and the top surface of the fixing column (36) is connected to a fixing screw (39).

3. A tooth pitch distance measuring device for gear detection according to claim 2, characterized in that: The bottom surface of the support frame (23) is provided with a second adjustment groove (26), the inner side wall of the second adjustment groove (26) is connected to a sliding rod (27), one end of the pull ring (28) is connected to two connecting rods (29), one end of the two connecting rods (29) is connected to a fixed head (202), the end surface of the fixed head (202) and the sliding rod (27) are provided with through holes, one side surface of the fixed head (202) and the outer surface of the sliding rod (27) are connected to a first spring (201), one end of the fixed head (202) is connected to a fixing pin (203), and the outer surface of the support column (31) is annular and provided with a plurality of pin holes (34) corresponding to the fixing pin (203).

4. A tooth pitch distance measuring device for gear detection according to claim 1, characterized in that: One end of a movable plate (41) is connected to the inner wall of the first adjustment groove (24) and located on the outer surface of the first screw rod (25); a support rod (48) is provided at the bottom of the measuring plate (47); two measuring blocks (49) are connected to the outer surface of the support rod (48); a third spring (402) is connected to one side of the two measuring blocks (49) and located on the outer surface of the support rod (48); and connecting screws (401) are provided on both sides of the bottom of the measuring blocks (49).

5. A tooth pitch distance measuring device for gear detection according to claim 4, characterized in that: The tops of the two measuring blocks (49) are connected to two indicating blocks (405), the surfaces on both sides of the measuring plate (47) are provided with a plurality of scale marks (406), the outer surface of the connecting screw (401) is connected to a connecting head (403), one end of the connecting head (403) is provided with a contact head (404), and the outer surface of the connecting screw (401) and one side of the connecting head (403) are connected to a fastening nut (407).

6. A tooth pitch distance measuring device for gear detection according to claim 3, characterized in that: The inner diameter of the first adjustment groove (24) is compatible with the sliding path of the movable plate (41), the inner diameter of the fixed sleeve (22) is compatible with the outer diameter of the support column (31), the inner diameter of the second adjustment groove (26) is compatible with the sliding path of the fixed head (202), and the inner diameter of the plurality of pin holes (34) is compatible with the outer diameter of the fixed pin (203).

7. A tooth pitch distance measuring device for gear detection according to claim 5, characterized in that: The inner diameter of the fourth adjustment groove (42) is adapted to the sliding path of the shift block (45), the outer diameter of the support rod (48) is adapted to the sliding path of the measuring block (49), the position of one end of the contact head (404) corresponds to the position of the indicating block (405), and the measuring block (49) is connected to the connecting head (403) via a connecting screw (401) and a fastening nut (407).

8. A tooth pitch distance measuring device for gear detection according to any one of claims 1 to 7, characterized in that: The measurement method is as follows: S1. During measurement, according to the size of the gear, replace the limiting cylinder (37) of the corresponding size, and fix the limiting cylinder (37) to the outer surface of the fixing column (36) by the fixing screw (39), place the gear on the outside of the two limiting cylinders (37), rotate the second screw (33), so that the two adjustment blocks (35) slide to both sides at the same time, until the protrusion (38) is tightly fixed to the inner groove of the gear, so as to achieve the fixing effect of the gear; S2. Further, according to the size of the gear, the first screw rod (25) is rotated so that the movable plate (41) rotates along the inner wall of the first adjustment groove (24), and the measuring plate (47) is adjusted to an appropriate height. Then, according to the position of the detection gear, the pull ring (28) is stretched outward, and the two connecting rods (29) drive the fixed head (202) and the fixed pin (203) to slide, so that the fixed pin (203) is separated from the support column (31). Then, the support frame (23) is rotated to drive the detection unit (4) to rotate to an appropriate position, and then the pull ring (28) is released. The first spring (201) drives the fixed head (202) and the fixed pin (203) to reset and insert them into the corresponding pin hole (34), so as to complete the effect of detecting different gear positions. S3. Further, according to the position and depth of the tooth groove, the fastening nut (407) is loosened to allow the connecting head (403) and the contact head (404) to rotate at an angle on the outer surface of the screw rod (401). After the contact head (404) is rotated to an appropriate angle for measurement, the fastening nut (407) is tightened, and then the measuring block (49) is slid along the outer surface of the support rod (48), and the third spring (402) is stretched to allow the two contact heads (404) to be located on the inner side of the tooth groove. Then, the measuring block (49) is loosened, and the two third springs (402) drive the measuring block (49) and the contact head (404) to slide to both sides until the two contact heads (404) are in contact with the inner side wall of the tooth groove. Then, the position of the indicator block (405) on the scale mark (406) is observed to achieve the measurement of the tooth spacing.

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