CN218364563U

CN218364563U - Rotary fatigue detection device

Info

Publication number: CN218364563U
Application number: CN202222868950.9U
Authority: CN
Inventors: 吴小梅
Original assignee: Nantong Langwei Precision Technology Co ltd
Current assignee: Nantong Langwei Precision Technology Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-01-24
Anticipated expiration: 2032-10-29

Abstract

The utility model relates to a part detects technical field, and discloses a rotatory fatigue detection device includes workstation and axis body, first mounting box and second mounting box are installed respectively to the upper surface of workstation, and first mounting box fixed mounting is at the upper surface of workstation, and installs adjustment mechanism on the first mounting box, and the second mounting box passes through moving mechanism and can move on the workstation to install actuating mechanism on the second mounting box, actuating mechanism's drive end and the equal fixedly connected with concave box of adjustment mechanism's regulation end, equal threaded connection all around of concave box has hexagon socket head cap screw. The utility model discloses in, set up threaded through hole on the surface of axis body in advance, it is fixed with axis body and installation piece to utilize the stay bolt, and the stay bolt stretches into threaded through hole's inside this moment, can directly block the axis body, prevents that the axis body from taking place the condition of skew to compare the centre gripping and utilize the tight mode of clamp of frictional force, make the more stable of axis body installation, guarantee the testing result.

Description

Rotary fatigue detection device

Technical Field

The utility model relates to a part detects technical field, and more specifically relates to a rotatory fatigue detection device.

Background

The motor is the actuating mechanism who has more commonly used now, and its main transmission end is exactly an axis body, is connected with the driven subassembly of needs through the axis body, and the axis body rotates and drives the subassembly and rotate, and this just makes the axis body be the comparatively core some subassemblies of motor, after the axis body production is accomplished, needs carry out the detection of its intensity, wherein just including rotatory fatigue detection.

The torsion fatigue testing machine in the prior art is provided in a torsion fatigue testing machine in patent No. CN216900028U, when torsion experiment is carried out on parts, often because the parts are not fixed firmly, the test deviation of the parts is larger, and the evaluation of the torsion fatigue of the parts is not facilitated, so that the chuck is provided, a stud, a support, a clamping block, a rotating shaft, a flywheel and the mutual matching between rotating shafts are adopted, the clamping block is pushed to move by rotating the stud, the clamping block is enabled to lock the parts under the action of the stud, the other end of the parts is locked at a driven shaft by the same method, thereby the effect of fixing the parts is achieved, the situation that the parts slide in the torsion fatigue experiment is prevented, the torsion fatigue test result is influenced, the problem of evaluating the torsion performance of the parts is not facilitated, and the purpose of ensuring the accuracy of the evaluation result is achieved.

However, the fixing mode is a clamping mode, when the surface is smooth like a shaft body, the clamping mode cannot ensure complete clamping, and the situation of errors is caused due to the fact that driving rotating force is large during fatigue detection, and the clamping is possibly unstable, so that a rotary fatigue detection device convenient for fixing the shaft body is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a rotatory fatigue detection device to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a rotatory fatigue detection device, comprises a workbench and an axis body, first mounting box and second mounting box are installed respectively to the upper surface of workstation, first mounting box fixed mounting is at the upper surface of workstation, and install adjustment mechanism on the first mounting box, the second mounting box can move on the workstation through moving mechanism, and install actuating mechanism on the second mounting box, actuating mechanism's drive end and the equal fixedly connected with concave box of adjustment mechanism's regulation end, equal threaded connection has hexagon socket head cap screw all around of concave box, and the concave box has the installation piece through hexagon socket head cap screw fixed mounting, the circular recess has been seted up to the side of installation piece, the surface of axis body and the inner wall overlap joint of circular recess, the sliding hole has been seted up to the lower surface of installation piece, the inner wall sliding connection in sliding hole has T shape pole, the opposite face fixedly connected with extension spring of T shape pole and installation piece, the upper surface threaded connection of installation piece has the long bolt, the screw through-hole has been seted up on the surface of axis body, the surface and the inner wall threaded through-hole's of long bolt threaded connection, the surface and the inner wall overlap joint of screw through-hole of T shape pole.

Further, adjustment mechanism includes sleeve, erection column and threaded rod, and open the side of first mounting box is equipped with the opening, telescopic surface and the inner wall fixed connection of opening, the surface and the telescopic inner wall overlap joint of erection column, and threaded hole is seted up to the side of first mounting box, the surface of threaded rod and the inner wall overlap joint of screw hole, and the terminal surface of threaded rod rotates with the side of erection column to be connected.

Furthermore, the fixed surface of erection column is connected with spacing, and the spacing groove has been seted up to telescopic inner wall, the surface of spacing and the inner wall overlap joint of spacing groove.

Further, actuating mechanism includes the motor of fixed mounting at the second mounting box upper surface, and the output of motor extends to the inside of second mounting box and the first bevel gear of fixedly connected with.

Furthermore, a mounting hole is formed in the side face of the second mounting box, a rotating shaft is rotatably connected to the inner wall of the mounting hole through a bearing, and a second bevel gear meshed with the surface of the first bevel gear is fixedly connected to the surface of the rotating shaft.

Further, the opposite ends of the rotating shaft and the mounting column are fixedly connected with the side surfaces of the two concave boxes respectively.

Furthermore, the moving mechanism comprises a fixed block fixedly mounted on the upper surface of the workbench, the fixed block and the opposite surface of the first mounting box are fixedly connected with a ball screw and a polished rod respectively, the side surface of the fixed block is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with the end surface of the ball screw.

Furthermore, the side surface of the second mounting box is respectively provided with a threaded connection hole and a positioning hole, the surface of the ball screw is in threaded connection with the inner wall of the threaded connection hole, and the surface of the polished rod is in lap joint with the inner wall of the positioning hole.

Furthermore, an angle sensor for detecting the rotation angle of the rotating shaft is mounted on the side surface of the second mounting box.

The utility model discloses a technological effect and advantage:

1. the utility model discloses in, set up the screw thread through-hole on the surface of axis body in advance, it is fixed with axis body and installation piece to utilize the stay bolt, and the stay bolt stretches into the inside of screw thread through-hole this moment, can directly block the axis body, prevents that the axis body from taking place the condition of skew to compare the centre gripping and utilize the tight mode of clamp of frictional force, make the more stable of axis body installation, guarantee the testing result.

2. The utility model discloses in, the setting of T shape pole and extension spring can be when the axis body is installed on the installation piece, and with the position determination of screw thread through-hole in advance, make things convenient for the installation of stay bolt, the installation piece passes through hexagon socket head cap screw simultaneously and installs in concave box, conveniently changes the installation piece that has different diameter circular recesses, makes things convenient for the installation of different diameter axis bodies.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is the three-dimensional structure diagram of the installation block of the present invention.

Fig. 3 is a schematic view of the internal structure of the first mounting box of the present invention.

FIG. 4 is a schematic view of the internal structure of the second mounting box of the present invention

The reference signs are: the device comprises a workbench, a shaft body 2, a first mounting box 3, a second mounting box 4, a concave box 5, a hexagon socket screw 6, a mounting block 7, a T-shaped rod 8, a tension spring 9, a long bolt 10, a sleeve 11, a mounting column 12, a threaded rod 13, a limiting strip 14, a motor 15, a first bevel gear 16, a rotating shaft 17, a second bevel gear 18, a fixing block 19, a ball screw rod 20, a polished rod 21, a driving motor 22 and an angle sensor 23.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, and the embodiments of the present invention are merely examples, but the present invention is not limited to the embodiments described below, and all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present invention.

Referring to fig. 1-4, the utility model provides a rotary fatigue detection device, including workstation 1 and axis body 2, first mounting box 3 and second mounting box 4 are installed respectively to the upper surface of workstation 1, install the control display screen on the

first mounting box

3, and 3 fixed mounting of first mounting box are at the upper surface of workstation 1, and install adjustment mechanism on the first mounting box 3.

Second mounting box 4 can move on workstation 1 through moving mechanism, moving mechanism includes fixed block 19 of fixed mounting at 1 upper surface of workstation, fixed block 19 is fixedly connected with ball screw 20 and polished rod 21 respectively with the opposite face of first mounting box 3, the side fixedly connected with driving motor 22 of fixed block 19, driving motor 22's output and ball screw 20's terminal surface fixed connection, threaded connection hole and locating hole have been seted up respectively to the side of second mounting box 4, ball screw 20's surface and the inner wall threaded connection of threaded connection hole, the surface of polished rod 21 and the inner wall overlap joint of locating hole, driving motor 22 drives ball screw 20, and then make second mounting box 4 remove, can adjust the position of second mounting box 4.

Referring to fig. 3, the adjustment mechanism includes sleeve 11, erection column 12 and threaded rod 13, the side of first mounting box 3 is opened and is equipped with the opening, the inner wall fixed connection of sleeve 11's surface and opening, the surface of erection column 12 and the inner wall overlap joint of sleeve 11, the side of first mounting box 3 is seted up threaded hole, the surface of threaded rod 13 and the inner wall overlap joint of threaded hole, and the terminal surface of threaded rod 13 rotates with the side of erection column 12 to be connected, the fixed surface of erection column 12 is connected with spacing 14, the spacing groove has been seted up to the inner wall of sleeve 11, the surface of spacing 14 and the inner wall overlap joint of spacing groove.

Rotating threaded rod 13, threaded rod 13 drives erection column 12 and slides in the inside of sleeve 11, and the regulation of 4 positions of cooperation second mounting box, the detection of the different length axis body 2 of being convenient for.

Referring to fig. 4, a driving mechanism is installed on the second mounting box 4, the driving mechanism includes a motor 15 fixedly installed on the upper surface of the second mounting box 4, an output end of the motor 15 extends to the inside of the second mounting box 4 and is fixedly connected with a first bevel gear 16, a mounting hole is opened on the side surface of the second mounting box 4, an inner wall of the mounting hole is rotatably connected with a rotating shaft 17 through a bearing, a surface of the rotating shaft 17 is fixedly connected with a second bevel gear 18 in surface engagement with the first bevel gear 16, a driving end of the driving mechanism and an adjusting end of the adjusting mechanism are fixedly connected with the concave boxes 5, and opposite ends of the rotating shaft 17 and the mounting post 12 are respectively and fixedly connected with side surfaces of the two concave boxes 5.

Equal threaded connection all around of concave box 5 has hexagon socket head cap screw 6, and concave box 5 has installation piece 7 through hexagon socket head cap screw 6 fixed mounting, installation piece 7 is installed in concave box 5 through hexagon socket head cap screw 6, conveniently change installation piece 7 that has different diameter circular recesses, make things convenient for the installation of different diameter axis bodies 2, most axis bodies 2 all are standard preparation, its size generally divide into several specifications, consequently only need be equipped with several installation pieces 7 with the standard adaptation can, the circular recess has been seted up to the side of installation piece 7, the surface of axis body 2 and the inner wall overlap joint of circular recess, the sliding hole has been seted up to the lower surface of installation piece 7, the inner wall sliding connection of sliding hole has T shape pole 8, T shape pole 8 is the inclined plane towards the one side of installation piece 7, T shape pole 8 and the opposite face fixedly connected with extension spring 9 of installation piece 7, the upper surface threaded connection of installation piece 7 has long bolt 10, the threaded through-hole has been seted up on the surface of axis body 2, the surface of long bolt 10 and the inner wall threaded through-hole threaded connection, the surface of T shape pole 8 and the inner wall threaded through-hole's threaded through-threaded connection, the extension spring of inner wall of rotation axis hole, the side-mounted has the angle sensor 23 that is used for detecting the overlap joint of second installation box 4 overlap joint.

The motor 15 rotates through the first bevel gear 16 and the second bevel gear 18, and then exerts the pivoted dynamics of axis of rotation 17, and axis of rotation 17 can exert power on the axis body 2 this moment, along with the reciprocal drive axis of rotation 17 of motor 15, makes the inside production of axis body 2 change, and then takes place the rotation of certain angle, detects pivoted angle through angle sensor 23 to show the record through controlling the display screen.

Through seting up the screw thread through-hole on the axis body 2, and insert installation piece 7 with the both ends of axis body 2, the inclined plane overlap joint of axis body 2 and T shape pole 8, T shape pole 8 moves down and lengthens extension spring 9 this moment, insert installation piece 7 with axis body 2 completely after, rotate axis body 2 or installation piece 7, when screw thread through-hole department moved to T shape pole 8 department, extension spring 9 pulling T shape pole 8 inserts in the screw thread through-hole, the rigidity of axis body 2 this moment, fix axis body 2 on installation piece 7 through stay bolt 10, later install installation piece 7 in concave box 5 through hexagon socket head cap screw 6, when carrying out the rotation detection, because axis body 2 has the direct of stay bolt 10 this moment, the condition of skew can not take place, thereby compare the clamping mode that the centre gripping utilized frictional force, make the installation of axis body 2 more stable, guarantee the testing result.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotatory fatigue detection device, includes workstation (1) and axis body (2), its characterized in that: the upper surface of the workbench (1) is respectively provided with a first mounting box (3) and a second mounting box (4), the first mounting box (3) is fixedly mounted on the upper surface of the workbench (1), the first mounting box (3) is provided with an adjusting mechanism, the second mounting box (4) can move on the workbench (1) through a moving mechanism, the second mounting box (4) is provided with a driving mechanism, the driving end of the driving mechanism and the adjusting end of the adjusting mechanism are both fixedly connected with a concave box (5), the periphery of the concave box (5) is all in threaded connection with hexagon socket head cap bolts (6), and spill box (5) have installation piece (7) through hexagon socket head cap screw (6) fixed mounting, the circular slot has been seted up to the side of installation piece (7), the surface of axis body (2) and the inner wall overlap joint of circular slot, the sliding hole has been seted up to the lower surface of installation piece (7), the inner wall sliding connection in sliding hole has T shape pole (8), the opposite face fixedly connected with extension spring (9) of T shape pole (8) and installation piece (7), the upper surface threaded connection of installation piece (7) has long bolt (10), the screw thread through-hole has been seted up on the surface of axis body (2), the surface of long bolt (10) and the inner wall threaded connection of screw thread through-hole, the surface of T shape pole (8) and the inner wall overlap joint of screw thread through-hole.

2. A rotary fatigue detecting device according to claim 1, wherein: adjustment mechanism includes sleeve (11), erection column (12) and threaded rod (13), and the side of first mounting box (3) is opened and is equipped with the opening, the surface of sleeve (11) and the inner wall fixed connection of opening, the surface of erection column (12) and the inner wall overlap joint of sleeve (11), and threaded hole is seted up to the side of first mounting box (3), the surface of threaded rod (13) and the inner wall overlap joint of screw hole, and the terminal surface of threaded rod (13) rotates with the side of erection column (12) to be connected.

3. A rotary fatigue detecting device according to claim 2, wherein: the surface of the mounting column (12) is fixedly connected with a limiting strip (14), the inner wall of the sleeve (11) is provided with a limiting groove, and the surface of the limiting strip (14) is in lap joint with the inner wall of the limiting groove.

4. A rotary fatigue detecting device according to claim 3, wherein: the driving mechanism comprises a motor (15) fixedly mounted on the upper surface of the second mounting box (4), and the output end of the motor (15) extends to the inside of the second mounting box (4) and is fixedly connected with a first bevel gear (16).

5. A rotary fatigue detecting device according to claim 4, wherein: the side surface of the second mounting box (4) is provided with a mounting hole, the inner wall of the mounting hole is rotatably connected with a rotating shaft (17) through a bearing, and the surface of the rotating shaft (17) is fixedly connected with a second bevel gear (18) which is meshed with the surface of the first bevel gear (16).

6. A rotary fatigue detecting device according to claim 5, wherein: the opposite ends of the rotating shaft (17) and the mounting column (12) are respectively fixedly connected with the side surfaces of the two concave boxes (5).

7. A rotary fatigue detecting device according to any one of claims 1 to 6, wherein: the moving mechanism comprises a fixed block (19) fixedly mounted on the upper surface of the workbench (1), the opposite surfaces of the fixed block (19) and the first mounting box (3) are fixedly connected with a ball screw (20) and a polished rod (21) respectively, the side surface of the fixed block (19) is fixedly connected with a driving motor (22), and the output end of the driving motor (22) is fixedly connected with the end surface of the ball screw (20).

8. A rotary fatigue detecting device according to claim 7, wherein: the side surface of the second mounting box (4) is respectively provided with a threaded connecting hole and a positioning hole, the surface of the ball screw (20) is in threaded connection with the inner wall of the threaded connecting hole, and the surface of the polish rod (21) is in lap joint with the inner wall of the positioning hole.

9. A rotary fatigue detecting device according to claim 1, wherein: and an angle sensor (23) for detecting the rotation angle of the rotation shaft (17) is mounted on the side surface of the second mounting box (4).