CN221078332U

CN221078332U - Torsion test stand

Info

Publication number: CN221078332U
Application number: CN202322421264.1U
Authority: CN
Inventors: 赵健; 华明法; 刘伟
Original assignee: Jinan Star Testing Technology Co ltd
Current assignee: Jinan Star Testing Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-06-04
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a torsion test stand, which relates to the technical field of test equipment and comprises a test base, wherein a sample rotating shaft is arranged at the top of the test base, a driving motor is arranged at the top of the test base, a driving shaft is arranged at one side of the driving motor, a planetary gear reducer is fixedly connected at the top of the test base, an output shaft is arranged at one side of the planetary gear reducer, a coupler is arranged at one side of the output shaft, a controller is arranged on the outer wall of the driving motor, an input wire is arranged at the top of the controller, and a mounting base is fixedly connected at the bottom of the driving motor. According to the utility model, the driving motor drives the driving shaft to rotate, the torque force is applied to the sample rotating shaft through the output shaft after the speed is reduced by the planetary gear reducer, and the torque force of the driving motor is controlled through the controller, so that the application mode is easier to control the torque force, the damage of the fixed structure and the sample rotating shaft is avoided, and meanwhile, the detection result of the device is more accurate.

Description

Torsion test stand

Technical Field

The utility model relates to the technical field of test equipment, in particular to a torsion test stand.

Background

The requirements of torsion tests on the market are great, such as tests on torsion fatigue, static torsion, torsion impact and the like of a shaft. However, the conventional test stand is linear, and is driven by a linear cylinder to perform reciprocating motion in a linear direction, so that tests such as axial torsion fatigue, static torsion, torsion impact and the like cannot be performed.

The prior Chinese patent is searched: a torsion test stand (bulletin number: CN 209624268U) comprises a bottom plate, an input mechanism fixedly arranged above the bottom plate and an output mechanism slidingly arranged above the bottom plate; the input mechanism comprises a bearing seat, a rotating shaft, an input flange and a loading arm, wherein the rotating shaft is arranged in the bearing seat through two first bearings, one end of the rotating shaft is fixedly connected with the loading arm through a first expansion sleeve, and the other end of the rotating shaft is fixedly connected with the input flange; the output mechanism comprises an output flange, a flange shaft and a torque sensor, wherein the output flange is arranged opposite to the input flange, one end of the flange shaft is fixedly connected with the output flange through a second expansion sleeve, and the other end of the flange shaft is fixedly connected with the torque sensor. The device can convert linear motion into axial motion, and can be suitable for tests such as torsional fatigue, static torsion, torsional impact and the like of samples of different types.

But the device is difficult to control through the mode that hydraulic equipment provided torsion, and the too big circumstances that leads to sample axis body and fixed knot structure to take place to damage of torsion appears easily in the use, and the torsion of difficult control can't accurately detect the torsional capacity of axis body simultaneously.

Therefore, it is necessary to invent a torsion test stand to solve the above problems.

Disclosure of utility model

The utility model aims to provide a torsion test stand so as to solve the problem that the mode of providing torsion by hydraulic equipment is difficult to control in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a torsion test stand, includes test base, test base's top is provided with the sample pivot, test base's top swing joint has the restriction seat, driving motor is installed at test base's top, the drive shaft is installed to one side of driving motor, test base's top fixedly connected with planetary gear reducer, the output shaft is installed to one side of planetary gear reducer, the shaft coupling is installed to one side of output shaft, two sets of restriction slide of outside fixedly connected with of restriction seat, two sets of restriction slide is in the outside of restriction seat is symmetric distribution, driving motor's outer wall installs the controller, driving motor's top is provided with the input line, driving motor's bottom fixedly connected with installation base.

Preferably, a torque sensor is fixedly connected to one side of the limiting seat.

Preferably, a plurality of groups of coupling bolts are connected to one side of the coupling in a threaded manner, and the plurality of groups of coupling bolts are distributed annularly on one side of the coupling.

Preferably, a limiting ring is arranged on one side of the torque sensor, a plurality of groups of limiting grooves are formed in the outer wall of the sample rotating shaft, and a plurality of groups of limiting grooves are distributed annularly on the outer wall of the sample rotating shaft.

Preferably, the top threaded connection of restriction seat has the locking bolt, locking screw hole has been seted up to the outer wall of sample pivot.

Preferably, two groups of limiting sliding grooves are formed in the outer side of the test base, and the two groups of limiting sliding grooves are symmetrically distributed in the outer side of the test base.

Preferably, the outer side of the installation base is fixedly connected with a plurality of groups of installation bolts, and the plurality of groups of installation bolts are distributed in a rectangular shape on the outer side of the installation base.

The utility model has the technical effects and advantages that:

1. Through setting up torque sensor, driving motor, drive shaft, planetary gear reducer, output shaft, controller, input line, installation base and mounting bolt to make the device accessible driving motor drive the drive shaft rotate, apply torsion to the sample pivot through the output shaft after the speed reduction of planetary gear reducer, and control driving motor's torsion through the controller, this mode of application is more easy to control the size of torsion, thereby avoids fixed knot structure and sample pivot to take place the circumstances of damage, makes the testing result of device more accurate simultaneously;

2. Through setting up restriction seat, shaft coupling, coupling bolt, spacing ring, spacing recess, locking bolt, locking screw hole, spacing slide and spacing spout to make the device accessible coupling on the shaft coupling bolt, the grafting of spacing ring and restriction recess and the three connected mode of locking bolt and locking screw hole's threaded connection be connected the sample pivot, thereby realized the stable connection to the sample pivot, and then guaranteed the degree of accuracy of the testing result of device, avoid not hard up result in the retest in-process axis body deviate from and lead to the circumstances of peripheral staff injury.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure of a torsion test stand according to the present utility model.

FIG. 2 is a schematic diagram of an explosion structure of a torsion test stand according to the present utility model.

Fig. 3 is a schematic top view of a torsion test stand according to the present utility model.

FIG. 4 is a schematic diagram of a driving mechanism of a torsion test stand according to the present utility model.

In the figure: 1. a test base; 2. a sample rotation shaft; 3. a limiting seat; 4. a torque sensor; 5. a driving motor; 6. a drive shaft; 7. a planetary gear reducer; 8. an output shaft; 9. a coupling; 10. a coupling bolt; 11. a limiting ring; 12. a limit groove; 13. a locking bolt; 14. locking the threaded hole; 15. a limit sliding plate; 16. limiting sliding grooves; 17. a controller; 18. an input line; 19. a mounting base; 20. and (5) installing a bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a torsion test stand as shown in fig. 1-4, which comprises a test base 1, wherein a sample rotating shaft 2 is arranged at the top of the test base 1, a limiting seat 3 is movably connected to the top of the test base 1, wherein the limiting seat 3 is a main body fixing component of the sample rotating shaft 2, a driving motor 5 is arranged at the top of the test base 1, wherein the driving motor 5 provides power for a detection function of the device, a driving shaft 6 is arranged at one side of the driving motor 5, the driving shaft 6 is a main body driving component of the driving motor 5, a planetary gear reducer 7 is fixedly connected to the top of the test base 1, the planetary gear reducer 7 is used for reducing the driving shaft 6 through rotation of a planetary gear, an output shaft 8 is arranged at one side of the planetary gear reducer 7, the output shaft 8 is a torque output component, a coupler 9 is arranged at one side of the output shaft 8, the coupler 9 is a main body connecting component of the output shaft 8 and the sample rotating shaft 2, two groups of limiting slide plates 15 are fixedly connected to the outer side of the limiting seat 3, the two groups of limiting slide plates 15 are symmetrically distributed at the outer side of the limiting seat 3, the driving motor 3 is ensured to move stably, a driving motor 5 is arranged at the outer wall of the limiting seat 15, a controller 17 is arranged at the outer wall of the driving motor 5, a controller 17 is used for controlling the driving motor is connected to a current input line 18, and a power supply 18 is arranged at the bottom of the top is fixedly connected to the top of the base 5, and an input controller 18 is used for controlling the driving motor is arranged at the bottom of the top of the power supply 18.

One side of the limiting seat 3 is fixedly connected with a torque sensor 4, wherein the torque sensor 4 is a main body torque and torque detection device of the device, so that the device has the functions of detecting the torsional fatigue, static torque and torsional impact of the sample rotating shaft 2.

One side of the coupler 9 is in threaded connection with a plurality of groups of coupler bolts 10, the plurality of groups of coupler bolts 10 are distributed on one side of the coupler 9 in an annular mode, and the coupler bolts 10 are matched with coupler nuts through threaded connection with threaded holes, so that stable connection is provided for the sample rotating shaft 2 and the sample rotating shaft 2, and torque transmission is guaranteed.

One side of the torque sensor 4 is provided with a limiting ring 11, the outer wall of the sample rotating shaft 2 is provided with a plurality of groups of limiting grooves 12, the plurality of groups of limiting grooves 12 are distributed annularly on the outer wall of the sample rotating shaft 2, and limiting protrusions in the limiting ring 11 can be movably inserted into the plurality of groups of limiting grooves 12, so that locking of the sample rotating shaft 2 is realized, and stable receiving of the torque force of the sample rotating shaft 2 is guaranteed.

The top threaded connection of restriction seat 3 has locking screw 13, and locking screw hole 14 has been seted up to the outer wall of sample pivot 2, and wherein locking screw 13 can carry out threaded connection with locking screw hole 14 to realized the locking to sample pivot 2, convenient to use person installs and dismantles when this locking mode effect is firm, thereby has further improved the fixed effect of restriction seat 3 to sample pivot 2.

Two groups of limit sliding grooves 16 are formed in the outer side of the test base 1, the two groups of limit sliding grooves 16 are symmetrically distributed in the outer side of the test base 1, and the two groups of limit sliding grooves 16 can be movably connected with the limit sliding plate 15, so that limit effect on the limit seat 3 is achieved, the sliding stability of the limit seat 3 is guaranteed, and a user can conveniently install and detach the limit seat.

The outside fixedly connected with multiunit mounting bolt 20 of installation base 19, multiunit mounting bolt 20 are the rectangle in the outside of installation base 19 and distribute, and wherein the use of multiunit mounting bolt 20 provides the installation for driving motor 5, and stable connection can effectively reduce driving motor 5 operation noise's production simultaneously that this mounting means stability is higher.

Working principle: after the user fixes the test base 1, stirring the limiting seat 3 to the left, then connecting one end of the sample rotating shaft 2 with the output shaft 8 through the coupling bolt 10 on the coupling 9, stirring the limiting seat 3 until the limiting groove 12 on the outer wall of the other end of the sample rotating shaft 2 completely enters the limiting ring 11, then screwing the locking bolt 13 into the locking threaded hole 14 to position the sample rotating shaft 2 before testing, and finally locking the limiting seat 3 through the positioning bolt on the limiting slide plate 15 by the user, thereby completing the fixation of the sample rotating shaft 2; then, the user electrifies the driving motor 5 and screws out the locking bolt 13, when the driving motor 5 is electrified and started, the driving shaft 6 is driven, the driving shaft 6 applies torsion to the sample rotating shaft 2 through the output shaft 8 after the speed of the planetary gears in the planetary gear reducer 7 is reduced, and the torque sensor 4 detects the torsion born by the sample rotating shaft 2, so that the torsion test function of the torsion test stand is realized.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Torsion test bench, including test base (1), its characterized in that: the testing device is characterized in that a sample rotating shaft (2) is arranged at the top of the testing base (1), a limiting seat (3) is movably connected to the top of the testing base (1), a driving motor (5) is arranged at the top of the testing base (1), a driving shaft (6) is arranged on one side of the driving motor (5), a planetary gear reducer (7) is fixedly connected to the top of the testing base (1), an output shaft (8) is arranged on one side of the planetary gear reducer (7), a coupler (9) is arranged on one side of the output shaft (8), two groups of limiting sliding plates (15) are fixedly connected to the outer side of the limiting seat (3), the two groups of limiting sliding plates (15) are symmetrically distributed on the outer side of the limiting seat (3), a controller (17) is arranged on the outer wall of the driving motor (5), and an input wire (18) is arranged at the top of the controller (17), and a mounting base (19) is fixedly connected to the bottom of the driving motor (5).

2. A torsion test stand according to claim 1, wherein: one side of the limiting seat (3) is fixedly connected with a torque sensor (4).

3. A torsion test stand according to claim 1, wherein: one side of the coupler (9) is connected with a plurality of groups of coupler bolts (10) in a threaded mode, and the plurality of groups of coupler bolts (10) are distributed on one side of the coupler (9) in a ring mode.

4. A torsion test stand according to claim 2, wherein: one side of the torque sensor (4) is provided with a limiting ring (11), the outer wall of the sample rotating shaft (2) is provided with a plurality of groups of limiting grooves (12), and a plurality of groups of limiting grooves (12) are annularly distributed on the outer wall of the sample rotating shaft (2).

5. A torsion test stand according to claim 1, wherein: the top threaded connection of restriction seat (3) has locking bolt (13), locking screw hole (14) have been seted up to the outer wall of sample pivot (2).

6. A torsion test stand according to claim 1, wherein: two groups of limit sliding grooves (16) are formed in the outer side of the test base (1), and the two groups of limit sliding grooves (16) are symmetrically distributed in the outer side of the test base (1).

7. A torsion test stand according to claim 1, wherein: the outer side of the mounting base (19) is fixedly connected with a plurality of groups of mounting bolts (20), and the plurality of groups of mounting bolts (20) are distributed in a rectangular shape on the outer side of the mounting base (19).