CN217765502U

CN217765502U - Spline torsion testing machine

Info

Publication number: CN217765502U
Application number: CN202221237023.0U
Authority: CN
Inventors: 孙秋云
Original assignee: Kesheng Extrusion Machinery Technology Nanjing Co ltd
Current assignee: Kesheng Extrusion Machinery Technology Nanjing Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-08
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a spline torque testing machine, which comprises a frame, a driving motor A, a speed reducer, a torque sensor, a fixed sleeve A, a movable bracket, a driving device and a fixed sleeve B; the speed reducer is arranged on the rack, and an input shaft of the speed reducer is connected with an output shaft of the driving motor A; the torque sensor is arranged on the frame, and the input end of a transmission shaft of the torque sensor is connected with the output shaft of the speed reducer; the fixed sleeve A is arranged at the output end of the transmission shaft of the torque sensor and is used for fixing one end of the spline shaft to be tested in a use state; the movable support is arranged on the rack and forms a horizontal moving pair with the rack, and the movable support moves along the length direction of a transmission shaft of the torque sensor; the driving device is used for driving the movable support to move on the rack; the fixed sleeve B is arranged on the movable support and used for fixing the other end of the spline shaft to be tested in a use state. The utility model discloses fixed to the integral key shaft when making things convenient for the integral key shaft to experimental precision of integral key shaft is high.

Description

Spline torsion testing machine

Technical Field

The utility model discloses a spline torsion test machine belongs to test equipment technical field.

Background

The spline shaft is one of common tools for transmitting mechanical torque, does not slip when transmitting the torque, and can move axially as required while transmitting the torque, so the spline shaft is widely applied to mechanical transmission structures, a torsion test of the spline is an important index for judging whether a spline shaft product is qualified, and a spline torsion testing machine is usually adopted to test the spline to obtain torsion related data. The existing spline torque testing machine comprises a frame, a driving motor, a speed reducer, a torque sensor and two fixtures, wherein the driving motor, the torque sensor and the speed reducer are installed on the frame, an output shaft of the driving motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with the torque sensor, one fixture is installed at the output end of the torque sensor, the other fixture is installed on one side, away from the speed reducer, of the frame, when the driving motor is used, the two fixtures respectively clamp the two ends of a spline shaft, the driving motor provides torque for the spline shaft through the speed reducer, and the torque sensor acquires torque data of the spline shaft. In the prior art, a clamp (such as a chuck) adopted may slip relative to a spline shaft in a test process, so that the test precision of the torsion of the spline shaft is influenced; on the other hand, the prior art clamp is not convenient for clamping the spline shaft, so that the torque test of the spline shaft is inconvenient on the whole.

Disclosure of Invention

The utility model aims at providing a spline torsion testing machine, the fixed inconvenient and the poor technical defect of experimental precision at integral key shaft both ends when solving among the prior art spline torsion test.

In order to solve the above problems, the utility model adopts the following technical proposal: the spline torsion testing machine comprises a rack, a driving motor A, a speed reducer, a torque sensor, a fixed sleeve A, a movable support, a driving device and a fixed sleeve B; the speed reducer is arranged on the rack, and an input shaft of the speed reducer is connected with an output shaft of the driving motor A; the torque sensor is arranged on the frame, and the input end of a transmission shaft of the torque sensor is connected with the output shaft of the speed reducer; the fixed sleeve A is arranged at the output end of the transmission shaft of the torque sensor and used for fixing one end of the spline shaft to be tested in a use state; the movable support is arranged on the rack and forms a horizontal moving pair with the rack, and the movable support moves along the length direction of a transmission shaft of the torque sensor; the driving device is used for driving the movable support to move towards the direction close to or away from the torque sensor on the machine frame; the fixed sleeve B is arranged on the movable support, synchronously moves along with the movement of the movable support and is used for fixing the other end of the spline shaft to be tested in a use state. The utility model discloses a fixed cover A and fixed cover B carry on spacingly to the spline shaft from the both ends of integral key shaft, avoid when experimental spline shaft relatively fixed cover A and fixed cover B rotate and influence experimental precision, the utility model discloses a drive arrangement drive removes the distance between fixed cover A on fixed cover B on the support and the torque sensor with the change, at fixed cover A and fixed cover B interval from increasing to being greater than the spline shaft of waiting to test, conveniently insert fixed cover A or fixed cover B with the one end of spline shaft in, remove the distance between fixed cover B and fixed cover A by the direction removal of fixed cover A of movable device drive removal support orientation again, make the other end of spline shaft stretch into in fixed cover B or fixed cover A, and carry on spacingly to the spline shaft from both ends, make things convenient for the fixed of integral key shaft on the whole.

As the utility model discloses a further improvement, fixed cover A includes fixed cover body A, and fixed cover body A's one end is connected with the output key-type of torque sensor transmission shaft, and fixed cover body A's other end detachable is provided with fixed block A, does not have relative rotation between fixed block A and fixed cover body A, has seted up connecting hole A on the fixed block A, and connecting hole A is provided with the internal spline for cooperate with waiting to test the integral key shaft. The utility model discloses well fixed cover body is convenient to be connected with the torque sensor transmission shaft, the utility model discloses set up fixed block A, on the one hand fixed block A and fixed cover body between do not have relative rotation, can improve integral key shaft torsion test's precision, on the other hand, the utility model discloses fixed block A is changed to the accessible, makes it cooperate with the integral key shaft of different standards, so that the utility model is suitable for a test of the integral key shaft of different models improves the utility model discloses a commonality.

As the utility model discloses a further improvement, fixed block A's outer cross sectional shape is the major arc bow, and fixed cover A keeps away from the one end of speed reducer and offers with fixed block A shape matched with fixed orifices A, and under the user state, fixed block A inserts in the fixed orifices A from fixed orifices A's tip. The utility model discloses the molding of well fixed block A's major arc arcuation because it is greater than semi-circular, can not exert an influence to offering of connecting hole A, again because its arcuation cross-section is spacing in fixed orifices A at the produced planar segment of one side of fixed block A to fixed block A, makes fixed block A can not produce relative rotation in fixed orifices A.

As the utility model discloses a further improvement, the movable support includes horizontal support plate and vertical support plate, and horizontal support plate slidable mounting is in the frame, vertical support plate's bottom and horizontal support plate fixed connection, and the spacing groove has been seted up at vertical support plate's top, and the fixed slot has been seted up to the bilateral symmetry of fixed cover B's surface, and under the user state, fixed cover B sets up at the spacing inslot, and the part that lies in the spacing groove both sides on the vertical support plate stretches into in the fixed slot and is used for preventing fixed cover B at the spacing inslot rotation. The utility model provides a sliding connection of horizontal support board convenience and frame, vertical support board improves on the one hand the utility model discloses a height, on the other hand are used for installing fixed cover B when using fixedly, and the utility model provides a remove the whole molding that is L shape of frame, reduced its weight and made required material, improved the economic nature.

As the utility model discloses a further improvement, the one end detachable who is close to the speed reducer on the fixed cover B is provided with fixed block B, and fixed block B does not have relative rotation with fixed cover B, has seted up connecting hole B on the fixed block B, sets up the internal spline in the connecting hole B for cooperate with the integral key shaft of waiting to test. The utility model discloses a detachable installation fixed block B in fixed cover B can select the fixed block B of different specifications according to the different models of experimental integral key shaft, improves the utility model discloses a commonality.

As the utility model discloses a further improvement, fixed block B's outer cross sectional shape is the major arc bow, fixed cover B be close to the one end of speed reducer seted up with fixed block B shape matched with fixed orifices B, and fixed orifices B is the blind hole, and under the user state, fixed block B inserts in the fixed orifices B. The utility model discloses the fixed block B that the well cross-section is the major arc arcuation is convenient to be installed it in fixed orifices B to can effectively prevent fixed block B to take place to rotate in fixed orifices B.

As a further improvement, the utility model also comprises two or more parallel arrangement reinforcing plates, which are perpendicular to the horizontal support plate and the vertical support plate and are fixedly connected with the horizontal support plate and the vertical support plate. The utility model discloses set up the reinforcing plate, holistic intensity of further reinforcing movable support and stability.

As the utility model discloses a further improvement still includes the sensor support, and the sensor support is installed in the frame and the sensor support is located the speed reducer and removes between the support, and torque sensor detachable installs on the sensor support. The utility model discloses set up the sensor support, make things convenient for torque sensor's installation, improve the height of torque sensor transmission shaft simultaneously, make the central line collineation of its central line and the output shaft of speed reducer.

As the utility model discloses a further improvement, the sensor support includes mounting panel unit, lower mounting panel unit and the connecting plate unit more than two, goes up the mounting panel unit and all is parallel with the horizontal plane with lower mounting panel unit, and lower mounting panel unit is used for detachable to install in the frame, and the top and the bottom of connecting plate unit are connected with last mounting panel unit and lower mounting panel unit respectively, and torque sensor detachable installs and on last mounting panel unit. The utility model provides a go up the installation that mounting panel unit made things convenient for torque sensor, lower mounting panel unit is convenient for install in the frame, and the connecting plate unit is still increased the distance between mounting panel unit and the lower mounting panel unit except that connecting plate unit is connected to the mounting panel unit and lower mounting panel unit, makes its high requirement that satisfies torque sensor installation.

As the utility model discloses a further improvement still includes fixed cover C, fixed cover C's one end and the output shaft key-type connection of speed reducer, fixed cover C's the other end and the input key-type connection of torque sensor transmission shaft. The utility model discloses set up fixed cover C, make things convenient for being connected of speed reducer output shaft and torque sensor transmission shaft.

To sum up, the beneficial effects of the utility model are that: the utility model discloses fixed to the integral key shaft when making things convenient for the integral key shaft to the experimental precision of integral key shaft is high, the utility model discloses still have simple structure's advantage.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic perspective view of another angle of the present invention.

Fig. 5 is a perspective exploded view of the present invention.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic perspective view of another angle of the present invention.

Fig. 8 is a partially enlarged view at B in fig. 7.

Wherein: 1. a frame; 2. driving a motor A; 3. a speed reducer; 4. a torque sensor; 5. a drive shaft; 6. fixing a sleeve A; 7. moving the support; 8. a drive device; 9. fixing a sleeve B; 10. a fixed sleeve body A; 11. a fixed block A; 12. a connecting hole A; 13. a fixing hole A; 14. a horizontal support plate; 15. a vertical support plate; 16. a limiting groove; 17. a fixing groove; 18. a fixed block B; 19. a connecting hole B; 20. a fixing hole B; 21. a reinforcing plate; 22. a sensor support; 23. an upper mounting plate unit; 24. a lower mounting plate unit; 25. a connection plate unit; 26. fixing a sleeve C; 27. a guide rail; 28. a slider; 29. a lead screw; 30. a fixed block C; 31. a spline shaft.

Detailed Description

The following description will further describe the embodiments of the present invention with reference to the accompanying drawings.

The spline torsion testing machine shown in fig. 1 to 8 comprises a frame 1, a driving motor A2, a speed reducer 3, a torque sensor 4, a fixed sleeve A6, a movable support 7, a driving device 8 and a fixed sleeve B9; the speed reducer 3 is detachably arranged at one end of the frame 1 by adopting a plurality of bolts, an input shaft of the speed reducer 3 is connected with an output shaft of the driving motor A2, and the driving motor A2 in the utility model is detachably arranged on the speed reducer 3 by adopting bolts; the torque sensor 4 is arranged on the frame 1, and the input end of a transmission shaft 5 of the torque sensor 4 is connected with the output shaft of the speed reducer 3; the fixed sleeve A6 is arranged at the output end of the transmission shaft 5 of the torque sensor 4 and is used for fixing one end of the spline shaft to be tested in a use state; the movable support 7 is arranged on the frame 1 and forms a horizontal moving pair with the frame 1, and the movable support 7 in the utility model can move along the length direction of the transmission shaft 5 of the torque sensor 4; the driving device 8 is arranged on the frame 1 and is used for driving the movable bracket 7 to move on the frame 1 towards the direction close to or away from the torque sensor 4; fixed cover B9 sets up on removing support 7 to along with the removal and synchronous motion of removing support 7, be used for the fixed other end of treating the test integral key shaft under the user state, the utility model discloses when using, remove support 7 and remove towards the direction of keeping away from speed reducer 3 by drive arrangement 8 drive earlier, with the distance between fixed cover B9 and the fixed cover A6 of increase, stretch the one end of the integral key shaft of treating the test into fixed cover A6 again, remove support 7 and remove towards the direction of being close to speed reducer 3 by drive arrangement 8 drive again, reduce the distance between fixed cover B9 and the fixed cover A6 and stretch into fixed cover B9 to the tip of treating the test integral key shaft in, make the both ends of the integral key shaft of treating the test fixed, twist reverse deformation by driving motor A2 drive speed reducer 3, torque sensor 4 and the integral key shaft of treating the test to by torque sensor 4 record real-time torque data. The utility model provides a torque sensor 4 adopts the signal line to be connected with computer, and computer adopts the video line to be connected with the display, and the display is used for showing torsion data, the utility model discloses be provided with protection casing (not shown in the figure) in frame 1 to be provided with the push-and-pull door (not shown in the figure) on the protection casing, wherein protection casing and push-and-pull door all are prior art, and it is the same with the structure of casing on the current numerical control machine tool, the utility model discloses do not give detailed description, the utility model discloses well display is installed on the protection casing, and computer lays in the casing of frame 1 below.

The utility model provides a fixed cover A6 is including fixed cover body A10, and a surface of fixed cover body A10 is the face of cylinder, and the one end of fixed cover body A10 is connected with the output key of torque sensor 4 transmission shaft 5, the utility model discloses when using, stretch into fixed cover body A10 and set up the parallel key with torque sensor 4's transmission shaft 5's output, prevent torque sensor 4's transmission shaft 5 to take place relative rotation with fixed cover body A10 when experimental, the utility model discloses well fixed cover body A10's other end detachable is provided with fixed block A11, can not rotate relatively between fixed block A11 and fixed cover body A10, has seted up connecting hole A12 on fixed block A11, the utility model provides a connecting hole A12 runs through the both ends of fixed block A11, is provided with the internal spline at connecting hole A12 for cooperate with the integral key shaft of waiting to test, wait that experimental integral key shaft stretches into in the connecting hole A12 with the spline fit, avoid waiting to test integral key shaft and fixed block A11 to take place relative rotation when experimental. The utility model discloses well fixed block A11's outer cross sectional shape is the major arc bow, and fixed cover A6 is kept away from speed reducer 3's one end and is offered with fixed block A11 shape matched with fixed orifices A13, and under the user state, fixed block A11 inserts in fixed orifices A13 from fixed orifices A13's tip, the utility model discloses well fixed block A11 contains cambered surface cooperation and plane cooperation with fixed orifices A13, can effectually prevent fixed block A11 at fixed orifices A13 internal rotation.

The utility model provides a moving support 7 includes horizontal support plate 14 and vertical support plate 15, and 14 slidable mounting of horizontal support plate are in frame 1, the utility model discloses realize that horizontal support plate 14 gliding concrete structure is in frame 1: two guide rails 27 are arranged on the rack 1 in parallel along the length direction of a transmission shaft of the torque sensor 4, a sliding block 28 is detachably arranged at the bottom of the horizontal support plate 14 by adopting a bolt, the sliding block 28 is matched with the guide rails 27, and the horizontal sliding of the horizontal support plate 14 on the rack 1 is realized by the relative sliding of the sliding block 28 and the guide rails 27, the driving device 8 of the utility model is a driving motor B which is arranged at one end of the rack 1 far away from the speed reducer 3, the output shaft of the driving motor B is connected with a lead screw 29, a fixed block C30 is detachably arranged at one end of the horizontal support plate 14 far away from the torque sensor 4, the lead screw 29 passes through the fixed block C30 and is in threaded fit with the fixed block C30, the driving motor B drives the lead screw 29 to rotate, and the rotation of the lead screw 29 is converted into the horizontal movement of the horizontal support plate 14 by the fixed block C30; the utility model provides a bottom of vertical support plate 15 and horizontal support plate 14 are close to torque sensor 4's one end fixed connection, the utility model discloses preferred adoption welded mode fixed horizontal support plate 14 and vertical support plate 15, in order to strengthen horizontal support plate 14 and vertical support plate 15's joint strength, the utility model discloses be provided with two above parallel arrangement's reinforcing plate 21, the utility model discloses the optimum is provided with two reinforcing plates 21, and two reinforcing plates 21 are all perpendicular with horizontal support plate 14 and vertical support plate 15 to two reinforcing plates 21 are located horizontal support plate 14's both ends department respectively, reinforcing plate 21 and horizontal support plate 14 and the equal fixed connection of vertical support plate 15, the utility model provides a reinforcing plate 21 is right triangle to be welded fastening with horizontal support plate 14 and vertical support plate 15. In order to fix when using fixed cover B9, the utility model discloses spacing groove 16 has been seted up at vertical support plate 15's top, wherein spacing groove 16 is the rectangular channel, fixed slot 17 has been seted up at the bilateral symmetry of the cylindric surface of fixed cover B9, wherein the width of fixed slot 17 equals or slightly is greater than vertical support plate 15's thickness with vertical support plate 15, under user state, place fixed cover B9 directly over spacing groove 16 along the horizontal direction, and the fixed slot 17 of fixed cover B9 both sides is to the part of spacing groove 15 both sides, will fix cover B9 downstream and set up fixed cover B9 at spacing groove 16 again, the part that vertical support plate 15 is located spacing groove 16 both sides stretches into in the fixed slot 17 and is used for preventing fixed cover B9 at the spacing inslot 16 internal rotation.

The utility model provides a fixed cover B9 is gone up and is close to the one end detachable of speed reducer 3 and is provided with fixed block B18, and fixed block B18 and fixed cover B9 do not have relative rotation within a definite time, the utility model discloses connecting hole B19 has been seted up on fixed block B18, sets up the internal spline in the connecting hole B19 for cooperate with the integral key shaft of awaiting the experiment. The utility model discloses well fixed block B18's outer cross sectional shape is the major arc bow, and fixed cover B9 is close to the one end of speed reducer 3 and offers the fixed orifices B20 with fixed block B18 shape matched with, the utility model provides a fixed orifices B20 preferred sets up to the blind hole, and under user state, fixed block B18 inserts in the fixed orifices B20, because fixed orifices B20 does not run through fixed cover B9's both sides, consequently when using, fixed block B18 can not stretch out from fixed orifices B20.

In order to make things convenient for torque sensor 4's installation and guarantee torque sensor 4's transmission shaft 5 height, the utility model discloses be provided with sensor support 22, sensor support 22 installs in frame 1 and sensor support 22 is located speed reducer 3 and removes between the support 7, and torque sensor 4 detachable installs on sensor support 22. The utility model provides a sensor support 22 includes last mounting panel unit 23 that the rectangular plate made, lower mounting panel unit 24 and the connecting plate unit 25 more than two, the utility model provides a connecting plate unit 25 quantity is two, goes up mounting panel unit 23 and lower mounting panel unit 24 all parallel with the horizontal plane, and lower mounting panel unit 24 is used for adopting many bolt detachable to install in frame 1, and the top and the bottom of connecting plate unit 25 are connected with last mounting panel unit 23 and lower mounting panel unit 24 respectively, the utility model provides a two connecting plate unit 25 parallel arrangement and with last mounting panel unit 23 and lower mounting panel unit 24 be welded fastening, torque sensor 4 adopts many bolt detachable to install and on last mounting panel unit 23, make the central line of torque sensor 4's transmission shaft 5 and the central line of speed reducer 3's output shaft be located same horizontal line.

In order to make things convenient for being connected of torque sensor 5's transmission shaft 5 and speed reducer 3's output shaft, the utility model discloses be provided with fixed cover C26, the one end of fixed cover C26 and speed reducer 3's output shaft key-type connection, the other end of fixed cover C26 and torque sensor 4 transmission shaft 5's input key-type connection, when the installation, on the output shaft of speed reducer 3 is located to the pot head of fixed cover C26, and adopt flat key-type connection to rotate in order to prevent both relatively, stretch into in the other end of fixed cover C26 with torque sensor 4's transmission shaft 5's one end again, and adopt flat key-type connection to rotate in order to prevent both relatively.

The parts not specifically described in the above description are all the prior art, or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Spline torsion testing machine, its characterized in that: comprises that

A frame (1);

a drive motor A (2);

the speed reducer (3) is installed on the rack (1), and an input shaft of the speed reducer (3) is connected with an output shaft of the driving motor A (2);

the torque sensor (4) is installed on the rack (1), and the input end of a transmission shaft (5) of the torque sensor (4) is connected with the output shaft of the speed reducer (3);

the fixing sleeve A (6), the fixing sleeve A (6) is arranged on the output end of the transmission shaft (5) of the torque sensor (4) and is used for fixing one end of the spline shaft to be tested in a use state;

the movable support (7) is arranged on the rack (1) and forms a horizontal moving pair with the rack (1), and the movable support (7) moves along the length direction of a transmission shaft (5) of the torque sensor (4);

the driving device (8), the driving device (8) is used for driving the movable bracket (7) to move towards the direction close to or far away from the torque sensor (4) on the frame (1);

and the fixing sleeve B (9) is arranged on the movable support (7), synchronously moves along with the movement of the movable support (7) and is used for fixing the other end of the spline shaft to be tested in a use state.

2. A spline torsion machine according to claim 1, wherein: fixed cover A (6) are including fixed cover body A (10), the one end of fixed cover body A (10) and the output key-type connection of torque sensor (4) transmission shaft (5), the other end detachable of fixed cover body A (10) is provided with fixed block A (11), there is not relative rotation between fixed block A (11) and fixed cover body A (10), connecting hole A (12) have been seted up on fixed block A (11), connecting hole A (12) are provided with the internal spline for with wait to test the integral key shaft and cooperate.

3. A spline torsion machine according to claim 2, wherein: the outer cross-sectional shape of fixed block A (11) is the major arc bow, and fixed cover A (6) keep away from the one end of speed reducer (3) and seted up fixed orifices A (13) with fixed block A (11) shape matched with, and under the user state, fixed block A (11) insert in fixed orifices A (13) from the tip of fixed orifices A (13).

4. The spline torsion tester of claim 1, wherein: remove support (7) including horizontal support plate (14) and vertical support plate (15), horizontal support plate (14) slidable mounting is in frame (1), the bottom and horizontal support plate (14) fixed connection of vertical support plate (15), spacing groove (16) have been seted up at the top of vertical support plate (15), fixed slot (17) have been seted up to the bilateral symmetry of the surface of fixed cover B (9), under the user state, fixed cover B (9) set up in spacing groove (16), the part that lies in spacing groove (16) both sides on vertical support plate (15) stretches into in fixed slot (17) and is used for preventing fixed cover B (9) at spacing groove (16) internal rotation.

5. A spline torsion machine according to claim 4, characterized in that: the fixing sleeve B (9) is detachably provided with a fixing block B (18) at one end close to the speed reducer (3), the fixing block B (18) and the fixing sleeve B (9) do not rotate relatively, the fixing block B (18) is provided with a connecting hole B (19), and an internal spline is arranged in the connecting hole B (19) and is used for being matched with a spline shaft to be tested.

6. A spline torsion machine according to claim 5, characterized in that: the outer section of the fixing block B (18) is in the shape of a major arc, one end, close to the speed reducer (3), of the fixing sleeve B (9) is provided with a fixing hole B (20) matched with the fixing block B (18) in shape, the fixing hole B (20) is a blind hole, and in the use state, the fixing block B (18) is inserted into the fixing hole B (20).

7. A spline torsion tester according to claim 4, 5 or 6, characterized in that: the support is characterized by further comprising more than two reinforcing plates (21) which are arranged in parallel, wherein the reinforcing plates (21) are perpendicular to the horizontal support plate (14) and the vertical support plate (15) and are fixedly connected with the horizontal support plate (14) and the vertical support plate (15).

8. A spline torsion machine according to claim 1, wherein: the torque sensor is characterized by further comprising a sensor support (22), the sensor support (22) is installed on the rack (1) and the sensor support (22) is located between the speed reducer (3) and the moving support (7), and the torque sensor (4) is detachably installed on the sensor support (22).

9. A spline torsion machine according to claim 8, wherein: sensor support (22) are including last mounting panel unit (23), mounting panel unit (24) and connecting plate unit (25) more than two down, it all is parallel with the horizontal plane with mounting panel unit (24) down to go up mounting panel unit (23), lower mounting panel unit (24) are used for detachable to install in frame (1), the top and the bottom of connecting plate unit (25) are connected with last mounting panel unit (23) and lower mounting panel unit (24) respectively, torque sensor (4) detachable installation reaches on last mounting panel unit (23).

10. A spline torsion machine according to claim 1, wherein: still include fixed cover C (26), the one end of fixed cover C (26) is connected with the output shaft key-type of speed reducer (3), and the other end of fixed cover C (26) is connected with the input key-type of torque sensor (4) transmission shaft (5).