CN215893859U

CN215893859U - Synchronous belt drive's electric eddy current loading device

Info

Publication number: CN215893859U
Application number: CN202121118885.7U
Authority: CN
Inventors: 于水游; 赵子强; 王桂臣; 王遒
Original assignee: Tianjin Hangxin Aviation Technology Co ltd
Current assignee: Tianjin Hangxin Aviation Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-02-22
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a synchronous belt driven eddy current loading device which comprises a test bench, a torque sensor, an external flange plate, an eddy current brake, an external bearing seat, a driving bearing seat and a driven bearing seat, wherein the torque sensor, the external flange plate, the eddy current brake, the external bearing seat, the driving bearing seat and the driven bearing seat are fixedly arranged on the test bench; the rotating shaft of the external bearing seat is rotatably connected with an electric mechanism to be tested through an external flange plate, the other end of the rotating shaft of the external bearing seat is fixedly connected with an input shaft of a torque sensor through a coupler, an output shaft of the torque sensor and the rotating shaft of the driving bearing seat are fixedly connected through the coupler, the rotating shaft of the driving bearing seat and the rotating shaft of the driven bearing seat are connected through a belt wheel assembly in a transmission mode, and the rotating shaft of the driven bearing seat and the rotating shaft of the eddy current brake are fixedly connected. The test board increases the simplicity and reliability of torque loading, reduces the fault rate of delivery detection of parts, improves the productivity of module production enterprises, ensures the product quality, is simple and quick in test operation, and has stronger practicability.

Description

Synchronous belt drive's electric eddy current loading device

Technical Field

The utility model belongs to the technical field of torque loading tests, and particularly relates to an eddy current loading device for synchronous belt transmission.

Background

The existing equipment in the market generally adopts an automobile brake friction plate type loading mode or a weight loading mode and also adopts a hydraulic loading method for an electric mechanism loading mode, and the automobile brake friction plate type loading mode has poor stability and is easy to wear, so that data deviation is caused; the weight type loading method has poor and discontinuous operation safety, can only carry out fixed value inspection, and has high labor intensity and low applicability; the hydraulic loading mode is slightly better than the former two modes, but the control is complex, the investment cost is high, the damage to parts is caused by improper control mode, the hydraulic loading uses hydraulic oil, and the pollution is caused, so the three loading modes have defects in different degrees. Further improved designs are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an eddy current loading device for synchronous belt transmission, which is put into use to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a synchronous belt driven eddy current loading device comprises a test bench, a torque sensor, an external flange disc, an eddy current brake, an external bearing seat, a driving bearing seat and a driven bearing seat, wherein the torque sensor, the external flange disc, the eddy current brake, the external bearing seat, the driving bearing seat and the driven bearing seat are fixedly arranged on the test bench;

the utility model discloses a torque sensor, including external bearing frame, belt pulley subassembly, driven bearing frame, eddy current brake, electric control box, external bearing frame, shaft coupling and torque sensor, the pivot of external bearing frame is connected with the electric mechanism rotation that awaits measuring through external ring flange, and the other end of external bearing frame pivot passes through shaft coupling and torque sensor's input shaft relatively fixed connection, and the pivot of torque sensor output shaft and driving bearing frame passes through shaft coupling fixed connection, and the pivot of driving bearing frame and driven bearing frame passes through the pulley subassembly transmission and is connected, driven bearing frame and eddy current brake's pivot relatively fixed connection, eddy current brake and torque sensor all with electric control box electric connection.

Preferably, the belt pulley assembly comprises belt pulleys fixedly mounted on the driving bearing seat and the driven bearing seat respectively and a transmission belt sleeved between the two belt pulleys, and the transmission ratio of the belt pulleys on the driving bearing seat and the driven bearing seat is 0.85.

Preferably, the output end of the electric mechanism to be tested is fixedly provided with a motor end flange plate, the motor end flange plate is relatively and fixedly connected with an external flange plate which is rotatably arranged on an external bearing seat through a bolt piece, and an automatic mounting mechanism for automatically mounting the bolt piece is arranged below the external flange plate and the motor end flange plate.

Preferably, the bolt piece includes the bolt body and rotates the fastening bolt who installs in bolt body middle part, the bolt body comprises two trapezoidal blocks that use the midplane symmetry to set up, and corresponds on the periphery of external flange dish and motor end flange and offers the constant head tank that is used for holding the bolt piece, and half screw hole has all been offered to the bottom of constant head tank, and after external flange dish and motor end flange closed up, two half screw holes closed up and form the complete screw hole with the fastening bolt adaptation.

Preferably, the automatic mounting mechanism comprises a conveyor belt for conveying the latch pieces, an electronic control clamping unit for clamping the latch pieces, and a driving unit for jacking the latch pieces and rotating the fastening bolts.

Preferably, the electric control clamping unit comprises an electric telescopic rod fixedly installed on the test bench and an electric control clamping jaw arranged at the output end of the electric telescopic rod.

Preferably, the driving unit comprises a hydraulic cylinder vertically and fixedly installed below the external flange and the motor end flange, a driving motor fixedly installed with the output end of the hydraulic cylinder, and a cutter head fixedly installed at the end part of the driving motor and matched with the notch at the end part of the fastening bolt, and the output end of the driving motor is opposite to the positioning groove.

The utility model has the technical effects and advantages that: the electric eddy current loading device driven by the synchronous belt,

1. through the integration of mechanisms such as torque sensor, external bearing seat, initiative bearing seat and driven shaft bearing seat and eddy current brake, torque and excitation current linear relation are good, be suitable for automatic control, input rotational speed range is wide, can be used to all kinds of motors such as variable frequency speed governing and power machinery's type test, the efficiency of moment of torsion loading and data detection is better, and easy operation, the practicality is stronger, the loaded simplicity and reliability of moment of torsion has been increased, reduce the fault rate that the part dispatched from the factory and detected, improve module manufacturing enterprise's productivity, guarantee product quality.

2. Set up automatic installation mechanism, match through the structural design of conveyer belt, automatically controlled clamping unit, drive unit and external ring flange and motor end ring flange, realize the automatic installation of external ring flange and motor end ring flange, also can carry out automatic dismantlement with the same reason, need not manual operation, the practicality is stronger, labour saving and time saving has reduced operating personnel's work burden for detection efficiency, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a schematic structural view of the latch member.

In the figure: 1. a test bench; 2. a latch member; 210. a plug pin body; 220. fastening a bolt;

3. an automatic installation mechanism; 310. a conveyor belt; 320. an electrically controlled clamping unit; 330. a drive unit;

3210. an electric telescopic rod; 3220. an electrically controlled clamping jaw;

3310. a hydraulic cylinder; 3320. a drive motor; 3330. a cutter head;

4. positioning a groove; 5. a driven bearing seat; 6. a half-threaded hole; 7. a bearing seat is externally connected; 8. a driving bearing seat; 9. a flange plate is externally connected; 10. an electric mechanism to be tested; 11. a pulley assembly; 12. a torque sensor; 13. a motor end flange plate; 14. an eddy current brake.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a synchronous belt drive eddy current loading device as shown in figures 1-4, which comprises a test bench 1, a torque sensor 12, an external flange 9, an eddy current brake 14, an external bearing seat 7, a driving bearing seat 8 and a driven bearing seat 5, wherein the torque sensor 12, the external flange 9, the eddy current brake 14, the external bearing seat 7, the driving bearing seat and the driven bearing seat are fixedly arranged on the test bench 1;

the pivot of external bearing seat 7 is connected with the electric mechanism 10 rotation that awaits measuring through external flange 9, and the other end of external bearing seat 7 pivot passes through the relative fixed connection of shaft coupling and torque sensor 12's input shaft, and the pivot of torque sensor 12 output shaft and driving bearing seat 8 passes through shaft coupling fixed connection, and driving bearing seat 8 and driven bearing seat 5's pivot passes through 11 transmissions of band pulley subassembly and is connected, driven bearing seat 5 and eddy current brake 14's pivot relative fixed connection, eddy current brake 14 and torque sensor 12 all with electric control box electric connection. The belt wheel assembly 11 comprises belt wheels fixedly mounted on the driving bearing seat 8 and the driven bearing seat 5 respectively and a transmission belt sleeved between the two belt wheels, and the transmission ratio of the belt wheels on the driving bearing seat 8 and the driven bearing seat 5 is 0.85.

The eddy current brake 14 is an automatic control element with excellent performance, and absorbs power by using the principle of eddy current loss. The exciting current is used as a control means to achieve the purpose of controlling the braking torque, and the output torque and the exciting current have good linear relation. And has the advantages of fast response speed, simple structure and the like; and a torque sensor 12. The sensor is a combined sensor and can output rotating speed and torque signals; the sensor is fixed on the base mounting plate, and the input shaft is connected with a starting generator to be tested through an external flange 9 and a flexible coupling; the output shaft end is connected with the eddy current brake 14 through a flexible coupling and a synchronous pulley.

When the test device is used, the electric mechanism 10 to be tested is fixedly arranged on the support frame, the output end of the electric mechanism 10 to be tested is relatively and fixedly connected with the external flange 9, and the load is adjusted by operating the controller of the eddy current brake 14 of the electric part. The reduction ratio of the upper and lower synchronizing wheels is 0.85. When loading torque, firstly, the controller controls the eddy current brake 14 to rotate so as to stabilize the torque, the torque is transmitted to the torque sensor 12 of the upper half dragging motor through the synchronous belt, the torque sensor 12 reads out the torque, and then the generator works on a set torque value to measure the torque parameter of the generator.

The output end of the electric mechanism 10 to be tested is fixedly provided with a motor end flange plate 13, the motor end flange plate 13 is fixedly connected with an external flange plate 9 which is rotatably arranged on an external bearing seat 7 through a bolt piece 2 relatively, and an automatic installation mechanism 3 for automatically installing the bolt piece 2 is arranged below the external flange plate 9 and the motor end flange plate 13. Bolt piece 2 includes bolt body 210 and rotates the fastening bolt 220 of installing in bolt body 210 middle part, bolt body 210 is two trapezoidal blocks that use the middle plane symmetry to set up and constitutes, and corresponds on the periphery of external flange dish 9 and motor end flange dish 13 and offer the constant head tank 4 that is used for holding bolt piece 2, and the bottom of constant head tank 4 all offers half screw hole 6, after external flange dish 9 and motor end flange dish 13 fold, two half screw holes 6 fold and form the complete screw hole with fastening bolt 220 adaptation. The automatic mounting mechanism 3 includes a conveyor belt 310 for conveying the latch members 2, an electrically controlled gripping unit 320 for gripping the latch members 2, and a driving unit 330 for jacking the latch members 2 and rotating the fastening bolts 220. The electric control clamping unit 320 comprises an electric telescopic rod 3210 fixedly installed on the test bench 1 and an electric control clamping jaw 3220 arranged at the output end of the electric telescopic rod 3210. The driving unit 330 includes a hydraulic cylinder 3310 vertically and fixedly installed below the external flange 9 and the motor end flange 13, a driving motor 3320 fixedly installed with an output end of the hydraulic cylinder 3310, and a cutter head 3330 fixedly installed at an end of the driving motor 3320 and adapted to the notch at the end of the fastening bolt 220, wherein the output end of the driving motor 3320 is opposite to the positioning slot 4.

The output end of the electric control mechanism to be tested is connected with the external flange 9 during testing;

firstly, the external flange plate 9 and the motor end flange plate 13 are folded, the electric control clamping jaw 3220 is driven to descend by the electric telescopic rod 3210, so that the bolt piece 2 arranged on the conveying belt 310 is clamped and conveyed upwards and vertically until the bolt body 210 of the bolt piece 2 is inserted into the positioning groove 4 and the end part of the fastening bolt 220 is inserted into the full thread groove, the hydraulic oil cylinder 3310 of the driving mechanism extends, the cutter head 3330 at the end part of the driving motor 3320 is abutted against the notch at the end part of the fastening bolt 220, the end part of the fastening bolt 220 is screwed into the full thread hole by the rotation of the driving motor 3320, at the moment, the bolt body 210 completely enters the positioning groove 4, the external flange plate 9 and the motor end flange plate 13 are pressed due to the shape of two trapezoidal blocks symmetrically arranged by the middle surface, the servo motor of the electric control mechanism to be tested drives the external flange plate 9 and the motor end flange plate 13 to rotate for multiple times to the plurality of positioning grooves 4 to be downwards for installing the bolt piece 2, realize external flange 9 and motor end flange dish 13's automatic installation, also can carry out automatic dismantlement with the same reason, need not manual operation, the practicality is stronger, labour saving and time saving has reduced operating personnel's work burden for detection efficiency, the practicality is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a synchronous belt drive's electric eddy current loading device which characterized in that: the test bench comprises a test bench (1), a torque sensor (12) fixedly arranged on the test bench (1), an external flange plate (9), an eddy current brake (14), an external bearing seat (7), a driving bearing seat (8) and a driven bearing seat (5);

the pivot of external bearing frame (7) is connected through external flange dish (9) and the electric mechanism (10) rotation that awaits measuring, and the other end of external bearing frame (7) pivot passes through the relative fixed connection of input shaft of shaft coupling and torque sensor (12), and the pivot of torque sensor (12) output shaft and initiative bearing frame (8) passes through shaft coupling fixed connection, and the pivot of initiative bearing frame (8) and driven bearing frame (5) passes through band pulley subassembly (11) transmission and is connected, the pivot relative fixed connection of driven bearing frame (5) and eddy current brake (14), eddy current brake (14) and torque sensor (12) all with electric control box electric connection.

2. The eddy current loading device for the synchronous belt drive as claimed in claim 1, wherein: the belt wheel assembly (11) comprises belt wheels fixedly mounted on a driving bearing seat (8) and a driven bearing seat (5) respectively and a transmission belt sleeved between the two belt wheels, and the transmission ratio of the belt wheels on the driving bearing seat (8) and the driven bearing seat (5) is 0.85.

3. The eddy current loading device for the synchronous belt drive as claimed in claim 1, wherein: the output end of the electric mechanism (10) to be tested is fixedly provided with a motor end flange plate (13), the motor end flange plate (13) is fixedly connected with an external flange plate (9) which is arranged on an external bearing seat (7) in a rotating mode through a bolt piece (2) relatively, and an automatic installation mechanism (3) used for automatically installing the bolt piece (2) is arranged below the external flange plate (9) and the motor end flange plate (13).

4. The eddy current loading device for the synchronous belt drive as claimed in claim 3, wherein: bolt spare (2) include bolt body (210) and rotate and install fastening bolt (220) in bolt body (210) middle part, bolt body (210) constitute for two trapezoidal blocks that use the midplane symmetry to set up, and correspond on the periphery of external flange dish (9) and motor end flange dish (13) and offer constant head tank (4) that are used for holding bolt spare (2), and the bottom of constant head tank (4) all seted up half screw hole (6), after external flange dish (9) and motor end flange dish (13) fold, two half screw hole (6) fold and form the complete screw hole with fastening bolt (220) adaptation.

5. The eddy current loading device for the synchronous belt drive as claimed in claim 3, wherein: the automatic mounting mechanism (3) comprises a conveyor belt (310) used for conveying the bolt pieces (2), an electric control clamping unit (320) used for clamping the bolt pieces (2) and a driving unit (330) used for jacking the bolt pieces (2) and rotating the fastening bolt (220).

6. The eddy current loading device for the synchronous belt drive as claimed in claim 5, wherein: the electric control clamping unit (320) comprises an electric telescopic rod (3210) fixedly installed on the test bench (1) and an electric control clamping jaw (3220) arranged at the output end of the electric telescopic rod (3210).

7. The eddy current loading device for the synchronous belt drive as claimed in claim 5, wherein: drive unit (330) include vertical fixed mounting in external ring flange (9) and motor end flange dish (13) below hydraulic cylinder (3310), fixed mounting have driving motor (3320) of hydraulic cylinder (3310) output and fixed mounting in driving motor (3320) tip and tool bit (3330) of fastening bolt (220) tip notch adaptation, the output of driving motor (3320) is just to constant head tank (4).