Detection device for gear shaft

Abstract

The utility model discloses a gear shaft detection device comprising a pedestal, the top of the pedestal is provided with a first slide rail and a first support which are fixedly connected, the first slide rail is arranged in the first support, the inner wall of the first support is symmetrically provided with first slide grooves, the first slide grooves are internally provided with rotatable screw rods, and the screw rods are arranged in the first slide grooves. The screw rod is provided with a movable first detection mechanism, the first detection mechanism comprises a rotatable spiral micrometer, the first slide rail is provided with a slidable positioning mechanism, the positioning mechanism comprises a movable mounting block, the side wall of the mounting block is provided with a fixedly connected third slide rail, the third slide rail is provided with a slidable second detection mechanism, and the second detection mechanism is provided with a second detection mechanism. The second detection mechanism comprises a movable third fixing block, and the tooth pitch between the two gears can be detected through the arrangement of the first detection mechanism.

Description

Technical Field

[0001] The utility model relates to the field of gear detection, in particular to a detection device for a gear shaft. Background Art

[0002] A gear shaft is a mechanical element that mounts gears directly on a shaft, combining rotation, torque and bending moment. The main functions of a gear shaft include supporting gears, transmitting power, balancing torque and keeping gears in a fixed position. In gear transmission, the gear shaft transmits power through the mutual meshing of gears, transferring the power of the prime mover to the corresponding mechanical parts to realize the operation of the mechanical equipment. The design of a gear shaft usually requires consideration of its strength, stiffness, size and shape to ensure the normal operation of the gear and reduce stress concentration.

[0003] At present, the detection of gear pitch and gear outer diameter on gear shaft is usually measured manually, which requires changing different measuring tools for measurement, which wastes manpower costs and has large errors. In addition, the fixation of gear shafts of different lengths and sizes is more complicated and the stability is poor. During the measurement process, the shaking and slipping of the gear shaft will affect the measurement accuracy. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a detection device for a gear shaft.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A detection device for a gear shaft, the detection device comprises a base, a first slide rail and a first bracket are fixedly connected on the top of the base, the first slide rail is located inside the first bracket, a first slide groove is symmetrically opened on the inner wall of the first bracket, a rotatable screw rod is arranged in the first slide groove, a movable first detection mechanism is arranged on the screw rod, and the first detection mechanism comprises a rotatable micrometer;

[0007] The first slide rail is provided with a slidable positioning mechanism, the positioning mechanism includes a movable mounting block, a third slide rail fixedly connected to the side wall of the mounting block is provided, the third slide rail is provided with a slidable second detection mechanism, and the second detection mechanism includes a movable third fixed block.

[0008] Preferably, a fixedly connected motor is mounted on the top of the first bracket, the motor output shaft is fixedly connected to the screw rod, and the first detection mechanism includes a first support plate, and both ends of the first support plate are threadedly matched with the screw rod.

[0009] Preferably, a second slide rail is fixedly connected to the bottom of the first support plate, a slidable first slide seat is provided on the second slide rail, a rotatable first threaded rod is provided on the side wall of the first slide seat, a first fixed block is fixedly connected to the bottom of the first slide seat, and fixedly connected screw micrometers are symmetrically provided on two opposite side walls of the first fixed block.

[0010] Preferably, the positioning mechanism includes a second sliding seat, a slidable second sliding seat is symmetrically arranged on the first sliding rail, a rotatable second threaded rod is arranged on the side wall of the second sliding seat, a fixedly connected mounting block is arranged on the top of the second sliding seat, a fixedly connected electric cylinder is arranged in the mounting block, the electric cylinder is located in the lower half of the mounting block, and a fixedly connected first connecting rod is arranged at the telescopic end of the electric cylinder.

[0011] Preferably, the first connecting rod extends to the outside of the mounting block, a rotatable first positioning wheel is provided at the other end of the first connecting rod, fixedly connected wedge blocks are symmetrically provided on two opposite side walls of the first connecting rod, a rotatable second connecting rod is provided in the mounting block, the second connecting rod is located in the upper half of the mounting block, a rotatable auxiliary wheel is provided at one end of the second connecting rod, the auxiliary wheel is slidably connected to the side wall of the wedge block, a rotatable second positioning wheel is provided at the other end of the second connecting rod, and the second positioning wheel is located outside the mounting block.

[0012] Preferably, the second detection mechanism includes a third sliding seat, a slidable third sliding seat is provided on the third slide rail, a rotatable third threaded rod is provided on the side wall of the third sliding seat, a fixedly connected electric telescopic rod is provided on the top of the third sliding seat, and a fixedly connected second fixed block is provided at the telescopic end of the electric telescopic rod.

[0013] Preferably, second brackets are symmetrically provided with fixed connections at both ends of the second fixed block, a rotatable fourth threaded rod is provided at the upper end of the second bracket, a third fixed block is provided with a fixed connection at one end of the fourth threaded rod close to the second fixed block, a distance sensor is provided with a fixed connection on the top of the third fixed block, and the tops of the two symmetrically distributed third fixed blocks are respectively the transmitting end and the receiving end of the distance sensor.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the pitch between the two gears can be detected by setting a movable first detection mechanism. The rotation of the motor drives the screw to rotate, and the first support plate also moves downward. The first threaded rod is rotated to adjust the position of the first sliding seat. The micrometer screws are rotated so that the measuring heads of the two micrometer screws are respectively against the gears on the corresponding side. The sum of the values ​​of the two micrometer screws and the width of the first fixed block itself is the pitch between the two gears.

[0016] 2. In the utility model, a slidable positioning mechanism is provided to fix gear shafts of different lengths and sizes. The second threaded rod is rotated according to the length of the gear shaft to adjust the position of the second sliding seat. The electric cylinder stretches to drive the first connecting rod to move upward, and the auxiliary wheel also slides downward along the side wall of the wedge block. The second connecting rod rotates to drive the second positioning wheel to move toward the center of the gear shaft. The two ends of the gear shaft are fixed. At the same time, the electric telescopic rod is stretched to make the two second brackets directly below the two gears. The third threaded rod is rotated to adjust the position of the third sliding seat so that the top of the second fixed block fits with the bottom of the gear. The fourth threaded rod is rotated to make the third fixed block fit with the outer wall of the gear. The distance sensor can measure the outer diameter of the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a gear shaft detection device proposed by the utility model;

[0018] Figure 2 It is a side view of the utility model;

[0019] Figure 3 This is a schematic diagram of the positioning mechanism structure in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the second detection mechanism in the utility model;

[0021] In the figure: 1, base; 2, first detection mechanism; 3, positioning mechanism; 4, second detection mechanism; 11, first slide rail; 12, first bracket; 13, first slide groove; 14, screw rod; 15, motor; 21, first support plate; 22, second slide rail; 23, first sliding seat; 24, first threaded rod; 25, first fixed block; 26, micrometer screw; 31, second sliding seat; 32, second threaded rod; 33, mounting block; 34, electric cylinder; 35, first connecting rod; 36, wedge block; 37, second connecting rod; 38, third slide rail; 41, third sliding seat; 42, third threaded rod; 43, electric telescopic rod; 44, second fixed block; 45, second bracket; 46, fourth threaded rod; 47, third fixed block; 48, distance sensor; 351, first positioning wheel; 371, auxiliary wheel; 372, second positioning wheel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4A detection device for a gear shaft, the detection device includes a base 1, a first slide rail 11 and a first bracket 12 are fixedly connected on the top of the base 1, the first slide rail 11 is located inside the first bracket 12, a first slide groove 13 is symmetrically opened on the inner wall of the first bracket 12, a rotatable screw rod 14 is arranged in the first slide groove 13, a fixedly connected motor 15 is installed on the top of the first bracket 12, the output shaft of the motor 15 is fixedly connected to the screw rod 14, a movable first detection mechanism 2 is arranged on the screw rod 14, the first detection mechanism 2 includes a first support plate 21, both ends of the first support plate 21 are threadedly matched with the screw rod 14, the rotation of the motor 15 drives the screw rod 14 to rotate, and the first support plate 21 also moves up and down accordingly.

[0024] A fixedly connected second slide rail 22 is provided at the bottom of the first support plate 21, a slidable first slide seat 23 is provided on the second slide rail 22, a rotatable first threaded rod 24 is provided on the side wall of the first slide seat 23, a fixedly connected first fixed block 25 is provided at the bottom of the first slide seat 23, and fixedly connected micrometer screws 26 are symmetrically provided on two opposite side walls of the first fixed block 25. The micrometer screws 26 are rotated so that the measuring heads of the two micrometer screws 26 respectively abut against the gears on the corresponding side, and the sum of the values ​​of the two micrometer screws 26 and the width of the first fixed block 25 itself is the tooth pitch between the two gears.

[0025] A slidable positioning mechanism 3 is provided on the first slide rail 11, and the positioning mechanism 3 includes a second sliding seat 31. A slidable second sliding seat 31 is symmetrically provided on the first slide rail 11, and a rotatable second threaded rod 32 is provided on the side wall of the second sliding seat 31. The position of the second sliding seat 31 can be adjusted by rotating the second threaded rod 32. A fixedly connected mounting block 33 is provided on the top of the second sliding seat 31, and a fixedly connected electric cylinder 34 is provided in the mounting block 33. The electric cylinder 34 is located in the lower half of the mounting block 33. A fixedly connected first connecting rod 35 is provided at the telescopic end of the electric cylinder 34. The electric cylinder 34 is stretched to drive the first connecting rod 35 to move up and down.

[0026] The first connecting rod 35 extends to the outside of the mounting block 33, and a rotatable first positioning wheel 351 is provided at the other end of the first connecting rod 35. Fixedly connected wedge blocks 36 are symmetrically provided on two opposite side walls of the first connecting rod 35. A rotatable second connecting rod 37 is provided in the mounting block 33. The second connecting rod 37 is located in the upper half of the mounting block 33. A rotatable auxiliary wheel 371 is provided at one end of the second connecting rod 37. The auxiliary wheel 371 is slidably connected to the side wall of the wedge block 36. A rotatable second positioning wheel 372 is provided at the other end of the second connecting rod 37. The second positioning wheel 372 is located outside the mounting block 33. The first positioning wheel 351 and the second positioning wheel 372 can clamp the gear shaft.

[0027] A third slide rail 38 is fixedly connected on the side wall of the mounting block 33, a slidable second detection mechanism 4 is provided on the third slide rail 38, the second detection mechanism 4 includes a third sliding seat 41, a slidable third sliding seat 41 is provided on the third slide rail 38, a rotatable third threaded rod 42 is provided on the side wall of the third sliding seat 41, a fixedly connected electric telescopic rod 43 is provided on the top of the third sliding seat 41, a fixedly connected second fixed block 44 is provided at the telescopic end of the electric telescopic rod 43, and the electric telescopic rod 43 is stretched to drive the second fixed block 44 to move forward and backward.

[0028] The second fixed block 44 has symmetrically disposed second brackets 45 fixedly connected at both ends, a rotatable fourth threaded rod 46 is disposed at the upper end of the second bracket 45, a fixedly connected third fixed block 47 is disposed at one end of the fourth threaded rod 46 close to the second fixed block 44, a fixedly connected distance sensor 48 is disposed at the top of the third fixed block 47, and the tops of the two symmetrically distributed third fixed blocks 47 are respectively the transmitting end and the receiving end of the distance sensor 48, which can measure the outer diameter of the gear.

[0029] In the present invention, in actual use, the second threaded rod 32 is rotated according to the length of the gear shaft to adjust the position of the second sliding seat 31, and the two ends of the gear shaft are placed above the first positioning wheel 351, and the electric cylinder 34 is started. The electric cylinder 34 stretches and drives the first connecting rod 35 to move upward, and the auxiliary wheel 371 also slides downward along the side wall of the wedge block 36, and the second connecting rod 37 rotates, driving the second positioning wheel 372 to move toward the center of the gear shaft, and the two ends of the gear shaft are fixed;

[0030] At the same time, the motor 15 is started, and the motor 15 rotates to drive the screw rod 14 to rotate, and the first support plate 21 also moves downward, and the first threaded rod 24 is rotated to adjust the position of the first sliding seat 23, and the screw micrometer 26 is rotated so that the measuring heads of the two screw micrometers 26 are respectively against the gears on the corresponding side, and the sum of the values ​​of the two screw micrometers 26 and the width of the first fixed block 25 itself is the tooth pitch between the two gears;

[0031] Start the electric telescopic rod 43, which is stretched so that the two second brackets 45 are located directly below the two gears. The third threaded rod 42 is rotated to adjust the position of the third sliding seat 41 so that the top of the second fixing block 44 fits with the bottom of the gear. Then, the fourth threaded rod 46 is rotated to fit the third fixing block 47 with the outer wall of the gear. The distance sensor 48 can measure the outer diameter of the gear.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A detection device for a gear shaft, the detection device comprising a base (1), characterized in that: The top of the base (1) is provided with a first slide rail (11) and a first bracket (12) which are fixedly connected. The first slide rail (11) is located inside the first bracket (12). The inner wall of the first bracket (12) is symmetrically provided with a first slide groove (13). A rotatable screw rod (14) is provided in the first slide groove (13). A movable first detection mechanism (2) is provided on the screw rod (14). The first detection mechanism (2) includes a rotatable micrometer (26). The first slide rail (11) is provided with a slidable positioning mechanism (3), the positioning mechanism (3) comprises a movable mounting block (33), a third slide rail (38) fixedly connected is provided on the side wall of the mounting block (33), a slidable second detection mechanism (4) is provided on the third slide rail (38), and the second detection mechanism (4) comprises a movable third fixed block (47).

2. A gear shaft detection device according to claim 1, characterized in that: A fixedly connected motor (15) is mounted on the top of the first bracket (12); an output shaft of the motor (15) is fixedly connected to the screw rod (14); and the first detection mechanism (2) comprises a first support plate (21); two ends of the first support plate (21) are threadedly matched with the screw rod (14).

3. A gear shaft detection device according to claim 2, characterized in that: A second slide rail (22) is fixedly connected at the bottom of the first support plate (21), a slidable first slide seat (23) is provided on the second slide rail (22), a rotatable first threaded rod (24) is provided on the side wall of the first slide seat (23), a first fixed block (25) is fixedly connected at the bottom of the first slide seat (23), and screw micrometers (26) are symmetrically fixedly connected on two opposite side walls of the first fixed block (25).

4. A gear shaft detection device according to claim 3, characterized in that: The positioning mechanism (3) comprises a second sliding seat (31), a slidable second sliding seat (31) is symmetrically arranged on the first slide rail (11), a rotatable second threaded rod (32) is arranged on the side wall of the second sliding seat (31), a fixedly connected mounting block (33) is arranged on the top of the second sliding seat (31), a fixedly connected electric cylinder (34) is arranged inside the mounting block (33), the electric cylinder (34) is located in the lower half of the mounting block (33), and a fixedly connected first connecting rod (35) is arranged at the telescopic end of the electric cylinder (34).

5. A gear shaft detection device according to claim 4, characterized in that: The first connecting rod (35) extends to the outside of the mounting block (33); a rotatable first positioning wheel (351) is provided at the other end of the first connecting rod (35); fixedly connected wedge blocks (36) are symmetrically provided on two opposite side walls of the first connecting rod (35); a rotatable second connecting rod (37) is provided in the mounting block (33); the second connecting rod (37) is located in the upper half of the mounting block (33); a rotatable auxiliary wheel (371) is provided at one end of the second connecting rod (37); the auxiliary wheel (371 is slidably connected to the side wall of the wedge block (36); a rotatable second positioning wheel (372) is provided at the other end of the second connecting rod (37); the second positioning wheel (372) is located outside the mounting block (33).

6. A gear shaft detection device according to claim 5, characterized in that: The second detection mechanism (4) comprises a third sliding seat (41), a third sliding rail (38) is provided with a slidable third sliding seat (41), a side wall of the third sliding seat (41) is provided with a rotatable third threaded rod (42), a top of the third sliding seat (41) is provided with a fixedly connected electric telescopic rod (43), and a telescopic end of the electric telescopic rod (43) is provided with a fixedly connected second fixed block (44).

7. A gear shaft detection device according to claim 6, characterized in that: Two ends of the second fixed block (44) are symmetrically provided with second brackets (45) fixedly connected thereto; a rotatable fourth threaded rod (46) is provided at the upper end of the second bracket (45); an end of the fourth threaded rod (46) close to the second fixed block (44) is provided with a third fixed block (47) fixedly connected thereto; a distance sensor (48) is fixedly connected to the top of the third fixed block (47); and the tops of the two symmetrically distributed third fixed blocks (47) are respectively a transmitting end and a receiving end of the distance sensor (48).

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