CN210014913U

CN210014913U - Gear box axial load loading detection device

Info

Publication number: CN210014913U
Application number: CN201921200641.6U
Authority: CN
Inventors: 李大胜; 杨丽; 范敏
Original assignee: Bengbu College
Current assignee: Bengbu College
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-02-04
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a gear box axial load loading detection device, which comprises a supporting rack, ball screw, the slider, including a motor, an end cap, a controller, and a cover plate, the pneumatic cylinder, coupling assembling, bearing structure and locking structure, ball screw rotates to be installed on the support frame and is connected with motor drive, slider movable mounting is on the support frame, wherein ball screw run through the slider and with the slider between form the screw thread transmission, the pneumatic cylinder is installed on the slider, its power take off end is equipped with coupling assembling, two bearing structure set up respectively and are used for the spacing of slider in the both sides of slider, the locking structure setting is used for locking ball screw on the support. The precision transmission property of the ball screw is used for positioning the shaft end of the gear box, then the hydraulic cylinder is used for loading, the detection precision is guaranteed, the sliding block is limited through the supporting structure, the locking structure locks the ball screw, and the influence of the axial reaction force of the gear box on the detection precision can be avoided.

Description

Gear box axial load loading detection device

Technical Field

The utility model relates to a mechanical properties detects technical field, specifically is a gear box axial load loading detection device.

Background

The device and the method for testing axial load loading of the gear box are provided by CN102410931B, the output flange of the gear box is connected with the connecting rod assembly by fixing the cylinder body of the hydraulic cylinder, the connecting rod assembly penetrates through the piston of the hydraulic cylinder to be connected with the piston of the hydraulic cylinder, the connecting rod assembly can keep relative rotation with the piston of the hydraulic cylinder, then the hydraulic cylinder carries out conventional test on the performance of the gear box, the output flange of the gear box is directly connected with the connecting rod assembly when the method is used for carrying out axial loading detection on the gear box, then a gap may exist between the output flange and the connecting rod assembly after connection is finished, or axial load is generated, and further the measurement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear box axial load loading detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a gear box axial load loading detection device, includes support frame, ball screw, slider, motor, pneumatic cylinder, coupling assembling, bearing structure and locking structure, wherein:

the hydraulic cylinder is arranged on the sliding block, and a power output end of the hydraulic cylinder is provided with a connecting component;

the two supporting structures are respectively arranged on two sides of the sliding block and used for limiting the sliding block;

the locking structure is arranged on the support frame and used for locking the ball screw.

Preferably, the support structure comprises a support arm, a base, a drive rod and a linear drive mechanism, the support arm is hinged to the side face of the sliding block, the base is hinged to the end portion of the support arm, the drive rod is mounted on a power output component of the linear drive mechanism, and the drive rod extends into the guide groove in the support arm.

Preferably, the locking structure comprises a gear, a locking tooth baffle and a cylinder, the gear is fixedly sleeved on the ball screw, the cylinder is installed on the support frame, the power output end of the cylinder is fixedly sleeved with the locking tooth baffle, and the locking tooth baffle is located right above the gear and used for locking the gear.

Preferably, coupling assembling is including connecting base and rotating base, it overlaps on the power take off of pneumatic cylinder admittedly to connect the base, rotating base rotates and installs on connecting the base, wherein rotating base and being connected and be equipped with pressure sensor between the base, rotating base's tip is equipped with touching formula motor switch and is used for controlling opening of motor and stops.

Preferably, the linear driving mechanism comprises a linear guide rail and a linear motor, the linear guide rail is mounted on the side face of the sliding block through a bolt, the linear motor is movably mounted on the linear guide rail, and the driving rod is mounted on the linear motor through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a gearbox axle head is fixed a position to ball screw's accurate driven nature, utilizes the pneumatic cylinder to load after that, and then has guaranteed the precision that detects, carries on spacingly to the slider through bearing structure to and the locking structure carries out the locking to ball screw, and then can avoid the influence of gearbox axial reaction to detecting the precision.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of part A in FIG. 1;

FIG. 3 is a schematic view of the structure of part B in FIG. 1;

fig. 4 is a schematic three-dimensional structure diagram of the middle linear driving mechanism of the present invention.

In the figure: the device comprises a support frame 1, a ball screw 2, a sliding block 3, a motor 4, a hydraulic cylinder 5, a connecting assembly 6, a supporting structure 7, a locking structure 8, a connecting base 61, a rotating base 62, a supporting arm 71, a base 72, a driving rod 73, a linear driving mechanism 74, a gear 81, a gear locking baffle 82, an air cylinder 83, a touch motor switch 621, a linear guide 741 and a linear motor 742.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a gear box axial load loading detection device, includes support frame 1, ball screw 2, slider 3, motor 4, pneumatic cylinder 5, coupling assembling 6, bearing structure 7 and locking structure 8, wherein:

two ends of the ball screw 2 are respectively arranged on the support frame 1 through bearings, the motor 4 is fixedly arranged on the support frame 1 through bolts, the power output end of the slide block is fixedly connected with a ball screw 2, the slide block 3 is arranged in a guide groove on a support frame 1 in a matching way, wherein the ball screw 2 penetrates through the sliding block 3 and forms thread transmission with the sliding block 3, further the rotary motion of the ball screw 2 can be converted into the linear motion of the sliding block 3, the hydraulic cylinder 5 is fixedly arranged on the sliding block 3 through a bolt, the connecting assembly 6 comprises a connecting base 61 and a rotary base 62, the connecting base 61 is fixedly sleeved on the power output end of the hydraulic cylinder 5, the rotary base 62 is rotatably arranged on the connecting base 61, a pressure sensor is arranged between the rotating base 62 and the connecting base 61, so that the load loaded by the hydraulic cylinder 5 can be detected, and a touch motor switch 621 is arranged at the end part of the rotating base 62 and used for controlling the starting and stopping of the motor 4;

the two support structures 7 are respectively arranged at two sides of the slider 3 and used for limiting the slider 3, each support structure 7 comprises a support arm 71, a base 72, a drive rod 73 and a linear drive mechanism 74, the support arm 71 is hinged at the side surface of the slider 3 through a pin shaft, the base 72 is hinged at the end part of the support arm 71 through a pin shaft, the linear drive mechanism 74 comprises a linear guide 741 and a linear motor 742, the linear guide 741 is mounted at the side surface of the slider 3 through a bolt, the linear motor 742 is movably mounted on the linear guide 741, and the drive rod 73 is mounted on the linear motor 742 through a bolt, wherein the drive rod 73 extends into a guide groove on the support arm 71, and further can drive the support arm 71 to rotate around a hinged;

the locking structure 8 is arranged on the support frame 1 and used for locking the ball screw 2, the locking structure 8 comprises a gear 81, a lock tooth baffle 82 and a cylinder 83, the gear 81 is fixedly sleeved on the ball screw 2, the cylinder 83 is fixedly installed on the support frame 1 through a bolt, the power output end of the cylinder is fixedly sleeved with the lock tooth baffle 82, the lock tooth baffle 82 is located right above the gear 81 and used for locking the gear 81, and then the ball screw 2 achieves the limiting effect when the position of the gear 81 is fixed.

The utility model discloses a theory of operation does: firstly, aligning the support frame 1 with a rotating shaft in a gear box to be tested to ensure that the rotating base 62 faces the rotating shaft, then starting the motor 4 to drive the ball screw 2 to rotate, then moving the sliding block 3 along the support frame 1 to further synchronously move the rotating base 62, when the rotating base 62 contacts the rotating shaft, triggering the touch type motor switch 621 at the end part of the rotating base 62 to further stop the motor 4 to ensure that the rotating base 62 just contacts with the end surface of the rotating shaft to further achieve the effect of calibrating the initial position, then moving the linear motor 742 along the linear guide rail 741 to further drive the driving rod 73 to synchronously move with the driving rod 73, at the moment, pressing the supporting rod 73 down to ensure that the base 72 at the end part of the supporting arm 71 contacts with the support frame 1 to further achieve the effect of supporting the sliding block 3, then driving the lock tooth baffle 82 to descend by the cylinder 83 to ensure that the lock tooth baffle, and then the position of the ball screw 2 is limited, the reaction force of the rotating shaft can be offset at the moment, then the hydraulic cylinder 5 pushes the rotating base 62 to load the rotating shaft, the rotating base 62 is rotatably arranged on the connecting base 61, so that the rotating shaft can be loaded under normal work, at the moment, a pressure sensor is arranged between the rotating base 62 and the connecting base 61 to obtain the numerical value of the load, the effect of detecting the axial load of the gearbox is further achieved, and the detection precision is improved by means of calibrating the initial position and offsetting the reaction force of the rotating shaft.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gear box axial load loading detection device, includes support frame (1), ball screw (2), slider (3), motor (4), pneumatic cylinder (5), coupling assembling (6), bearing structure (7) and locking structure (8), its characterized in that:

the ball screw (2) is rotatably arranged on the support frame (1) and is in transmission connection with the motor (4), the sliding block (3) is movably arranged on the support frame (1), the ball screw (2) penetrates through the sliding block (3) and forms thread transmission with the sliding block (3), the hydraulic cylinder (5) is arranged on the sliding block (3), and the power output end of the hydraulic cylinder is provided with a connecting assembly (6);

the two supporting structures (7) are respectively arranged on two sides of the sliding block (3) and used for limiting the sliding block (3);

the locking structure (8) is arranged on the support frame (1) and used for locking the ball screw (2).

2. A gearbox axial load sensing device as defined in claim 1 wherein: the supporting structure (7) comprises a supporting arm (71), a base (72), a driving rod (73) and a linear driving mechanism (74), the supporting arm (71) is hinged to the side face of the sliding block (3), the base (72) is hinged to the end portion of the supporting arm (71), the driving rod (73) is installed on a power output part of the linear driving mechanism (74), and the driving rod (73) extends into a guide groove in the supporting arm (71).

3. A gearbox axial load sensing device as defined in claim 1 wherein: locking structure (8) include gear (81), lock tooth baffle (82) and cylinder (83), gear (81) cover is on ball screw (2) admittedly, cylinder (83) are installed on support frame (1), and its power take off end covers admittedly has lock tooth baffle (82), and wherein lock tooth baffle (82) are located gear (81) directly over be used for pinning gear (81).

4. A gearbox axial load sensing device as defined in claim 1 wherein: coupling assembling (6) are including connecting base (61) and rotating base (62), it overlaps on the power take off of pneumatic cylinder (5) admittedly to connect base (61), rotating base (62) rotate and install on connecting base (61), wherein rotating base (62) and be equipped with pressure sensor between connecting base (61), the tip of rotating base (62) is equipped with touching formula motor switch (621) and is used for opening of control motor (4) to stop.

5. A gearbox axial load sensing device as defined in claim 2 wherein: the linear driving mechanism (74) comprises a linear guide rail (741) and a linear motor (742), the linear guide rail (741) is mounted on the side face of the sliding block (3) through a bolt, the linear motor (742) is movably mounted on the linear guide rail (741), and the driving rod (73) is mounted on the linear motor (742) through a bolt.