CN113109042A - Permanent magnet roller power balance and overload starting test device - Google Patents
Permanent magnet roller power balance and overload starting test device Download PDFInfo
- Publication number
- CN113109042A CN113109042A CN202110435932.9A CN202110435932A CN113109042A CN 113109042 A CN113109042 A CN 113109042A CN 202110435932 A CN202110435932 A CN 202110435932A CN 113109042 A CN113109042 A CN 113109042A
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- Prior art keywords
- permanent magnet
- brake
- magnet drum
- power balance
- supporting
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 230000005389 magnetism Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
Abstract
The invention relates to a permanent magnet drum power balance and overload starting test device, which comprises: the brake device comprises a bracket, a brake unit supported on the bracket and used for braking a permanent magnet roller, and an analysis control unit connected with the brake unit and used for driving the brake unit to act and acquiring and analyzing the working power of the permanent magnet roller; the bracket is provided with a plurality of supporting parts for supporting the permanent magnet roller, and every two supporting parts form a group, and the two supporting parts of one group are symmetrically arranged; the brake unit comprises a brake and a strut supporting the brake; the brake comprises a brake head and a brake disc for braking the permanent magnet drum. The testing device can simultaneously carry out power balance and overload starting tests; the test is efficient and quick, the problem of long balancing time in the prior art is solved, and the purposes of reducing loss and prolonging the service life of the roller and the conveying belt are achieved; the support can realize many cylinders experimental for batch processing ability is stronger, improves test efficiency.
Description
Technical Field
The invention relates to the technical field of electric transmission systems, in particular to a permanent magnet roller power balance and overload starting test device.
Background
The existing single roller drive cannot generate enough traction force to meet the requirement of the traditional belt conveyor for power transmission. Therefore, the driving of the double rollers or the multiple rollers is a common solution, but because the load power of the motor is unbalanced due to factors such as manufacturing and installation errors and uneven stress of the conveying belts of the driving rollers, the motor is seriously unbalanced and even has burning accidents, the power balance of the driving of the double rollers or the multiple rollers is very important. In the prior art, a performance test of a roller needs to be carried out under the combined action of a belt conveyor frame, a belt, a load motor, a hydraulic system, a belt deviation correcting system and a belt tensioning system, and a double-roller or multi-roller power balance test cannot be carried out.
The permanent magnet synchronous motors with high power and low rotating speed are mostly applied to the occasions with constant torque load such as a belt conveyor and the like, the motors are required to have constant torque characteristics in the whole frequency range, particularly the belt conveyor is required to have the capability of starting from zero speed under rated load, the motors are required to have 1.5-2 times of rated load output capability in the starting stage, and therefore the load output capability during starting needs to be checked.
Disclosure of Invention
The present invention is directed to solve at least one of the problems in the prior art, and provides a power balance and overload start test device for a permanent magnet drum.
In order to achieve the above object, the present invention provides a power balance and overload start test device for a permanent magnet drum, comprising: the brake device comprises a bracket, a brake unit supported on the bracket and used for braking a permanent magnet roller, and an analysis control unit connected with the brake unit and used for driving the brake unit to act and acquiring and analyzing the working power of the permanent magnet roller;
the bracket is provided with a plurality of supporting parts for supporting the permanent magnet roller, and every two supporting parts form a group, and the two supporting parts of one group are symmetrically arranged;
the brake unit comprises a brake and a strut supporting the brake;
the brake comprises a brake head and a brake disc for braking the permanent magnet drum.
According to one aspect of the invention, the brake units are supported at the supporting portions, and two sets of the brake units are provided at each of the supporting portions, the two sets of the brake units being arranged at intervals, respectively corresponding to end caps of both ends of the permanent magnet drum.
According to one aspect of the invention, the supporting part comprises a horizontal supporting platform, a vertical supporting frame vertically supported on the horizontal supporting platform, an inclined supporting frame with one end supported on the top end of the vertical supporting frame and the other end supported on the horizontal supporting platform, and a mounting block which is arranged on the inclined supporting frame and is rotatably connected with a rotating shaft of the permanent magnet drum;
the inclined supporting frames and the mounting blocks are provided with two groups which are respectively arranged corresponding to two ends of the permanent magnet roller.
According to one aspect of the invention, two of the support portions are provided on the bracket, and the two support portions are arranged symmetrically.
According to one aspect of the invention, the analysis and control unit comprises a driver connected with the brake head for driving the brake head to act and an analyzer connected with the brake disc for analyzing the power of the permanent magnet roller.
According to one aspect of the invention, the drive is a hydraulic pump.
According to an aspect of the invention, the brake unit further comprises a distance sensor provided on the brake head.
According to one aspect of the invention, the vertical and inclined supports are made up of a plurality of removable support tubes.
According to one aspect of the invention, the brake is a disc brake.
According to an aspect of the present invention, the analysis control unit further includes a control display panel electrically connected to the driver, the distance sensor, and the analyzer.
According to one scheme of the invention, the bracket is provided with two supporting parts, and the two supporting parts are used for supporting the permanent magnet roller and providing an installation space and a rotation space for the permanent magnet roller. The two support portions are arranged symmetrically. So set up, can make two permanent magnetism cylinders can install simultaneously on the support and carry out power balance and overload start test. Furthermore, in practice, in the present invention, the bracket may be provided with a plurality of support portions, two support portions being a set, and two support portions of the set being symmetrically arranged. Therefore, a plurality of groups of permanent magnet rollers can be arranged on the support for testing, batch testing time is greatly saved, and testing efficiency is remarkably improved.
According to one aspect of the invention, the supporting part comprises a horizontal supporting platform, a vertical supporting frame vertically supported on the horizontal supporting platform, an inclined supporting frame with the upper end supported on the top end of the vertical supporting frame and the lower end supported on the horizontal supporting platform, and a mounting block which is arranged on the inclined supporting frame and is rotatably connected with a rotating shaft of the permanent magnet drum. The inclined supporting frames and the mounting blocks are provided with two groups which are respectively arranged corresponding to two ends of the permanent magnet roller. The horizontal supporting platform, the vertical supporting frame and the inclined supporting frame form a tripod structure which is stable in structure, the inclined supporting frame is provided with the mounting block, the permanent magnet roller is stably supported through the mounting block and is rotatably connected with the permanent magnet roller, and the permanent magnet roller can be stably and firmly supported in the supporting part area and stably rotate, so that the test efficiency is remarkably improved.
According to one aspect of the invention, the vertical and inclined supports are comprised of a plurality of removable support tubes. So set up, can be so that the installation of permanent magnetism cylinder is extremely convenient, can adjust the volume of experimental region (bearing) moreover through the size of test object (permanent magnetism cylinder), can guarantee bearing strength and structural strength moreover.
According to one scheme of the invention, the brake unit further comprises a distance sensor arranged on the brake heads, so that the brake distances between each brake head and the permanent magnet drum can be kept consistent, the test result can be more accurate, and the difference of the test parameters of the permanent magnet drum due to the difference of the brake distances can be avoided.
According to the scheme of the invention, the power balance and overload starting test can be carried out simultaneously; the test is efficient and quick, the problem of long balancing time in the prior art is solved, and the purposes of reducing loss and prolonging the service life of the roller and the conveying belt are achieved; a multi-roller test is realized by one support, so that the batch processing capacity is stronger, and the test efficiency is obviously improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram illustrating a conventional apparatus for a permanent magnet drum power balance test;
fig. 2 is a front view schematically illustrating a power balance and overload start test apparatus for a permanent magnet drum according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 scope of the present invention.
Fig. 1 is a schematic diagram showing a conventional apparatus for a permanent magnet drum power balance test. As shown in fig. 1, the conventional apparatus for testing the power balance of the permanent magnet drum can only perform the power balance test on one permanent magnet drum or motor. The double-roller or multi-roller power balance test cannot be carried out, and the overload starting cannot be carried out.
In order to solve the technical problems in the conventional device, the invention provides a permanent magnet roller power balance and overload starting test device, which can realize the power balance test of double rollers or multiple rollers and can carry out overload starting. The method comprises the following specific steps:
fig. 2 is a front view schematically illustrating a power balance and overload start test apparatus for a permanent magnet drum according to an embodiment of the present invention. As shown in fig. 2, the power balance and overload start test device for a permanent magnet drum according to the present invention comprises: the braking device comprises a bracket 1, a braking unit 2 supported on the bracket 1 and used for braking a permanent magnet roller A, and an analysis control unit 3 connected with the braking unit 2, wherein the analysis control unit 3 is used for driving the braking unit 2 to act and simultaneously acquiring and analyzing the working power (including input and output power) of the permanent magnet roller A.
As shown in fig. 2, in the present embodiment, two supporting portions 101 are provided on the bracket 1, and each of the two supporting portions 101 is used for supporting the permanent magnet drum, so as to provide an installation space and a rotation space for the permanent magnet drum. In the present embodiment, the two support portions 101 are symmetrically arranged. By the arrangement, two permanent magnet rollers can be simultaneously arranged on the supporting part 101 for power balance and overload starting tests. Moreover, in practice, in the present invention, the bracket 1 may be provided with a plurality of supporting portions 101, two supporting portions 101 are in one group, and the two supporting portions 101 of one group are symmetrically arranged. Therefore, the support 1 can be simultaneously provided with a plurality of groups of permanent magnet rollers for testing, the batch test time is greatly saved, and the test efficiency is remarkably improved.
Further, in the present embodiment, the brake unit 2 includes a brake 201 and a strut 202 supporting the brake 201, wherein the brake 201 is a disc brake including a brake head 2011 for braking a permanent magnet drum and a brake disc 2012. In the present embodiment, the braking units 2 are supported in the area of the supporting portions 101, and two sets of braking units 2 are provided at each supporting portion 101, which are located at two axial ends of the permanent magnet drum, i.e. in the front-back direction of fig. 2, and the other set is not shown in fig. 2, so that it can be known that the two sets of braking units 2 are arranged at intervals and respectively correspond to the end caps at two ends of the permanent magnet drum, and thus the braking units 2 can act on the end caps of the permanent magnet drum through the brakes 201 to brake the permanent magnet drum.
Further, as shown in fig. 2, the support 101 includes a horizontal support base 1011, a vertical support frame 1012 vertically supported on the horizontal support base 1011, a tilt support frame 1013 having an upper end supported on a top end of the vertical support frame 1012 and a lower end supported on the horizontal support base 1011, and a mounting block 1014 mounted on the tilt support frame 1013 and rotatably connected to a rotation shaft of the permanent magnet drum. In this embodiment, the tilt support frames 1013 and the mounting blocks 1014 have two sets, one set being disposed at each end of the permanent magnet drum. As shown in fig. 2, in the present embodiment, the horizontal support base 1011, the vertical support base 1012 and the inclined support base 1013 form a tripod structure with a stable structure, and the inclined support base 1013 is further provided with the mounting block 1014, and the permanent magnet drum is stably supported by the mounting block 1014 and is rotatably connected to the permanent magnet drum, so that the permanent magnet drum is stably and firmly supported in the region of the support portion 101, and the rotation is stable, and the test efficiency is remarkably improved.
In this embodiment, the vertical support 1012 and the tilt support 1013 are composed of a plurality of detachable support tubes a. So set up, can be so that the installation of permanent magnetism cylinder is extremely convenient, can adjust the volume of experimental region (bearing) moreover through the size of test object (permanent magnetism cylinder), can guarantee bearing strength and structural strength moreover.
Further, in the present embodiment, the analysis control unit 3 includes an actuator connected to the brake head 2011 for actuating the brake head 2011, and an analyzer connected to the brake disc 2012 for analyzing the power of the permanent magnet drum. In the present embodiment, the actuator is a hydraulic pump or any other driving device capable of driving the brake head 2011 to reciprocate.
Further, in this embodiment, the braking unit 2 further includes a distance sensor disposed on the braking heads 2011, so that the braking distances between the braking heads 2011 and the permanent magnet drum can be kept consistent, and thus the test result can be more accurate without errors, and the difference of the test parameters of the permanent magnet drum due to the difference of the braking distances is avoided.
Furthermore, in the present embodiment, the analysis control unit 3 further includes a control display panel electrically connected to the driver, the distance sensor, and the analyzer. Therefore, each functional device can be controlled by controlling the display panel, the data parameters transmitted by each functional device can be displayed in real time, the test parameters can be mastered in real time, and the test can be carried out efficiently and accurately.
According to the scheme of the invention, the power balance and overload starting test device for the permanent magnet roller can simultaneously carry out power balance and overload starting tests; the test is efficient and quick, the problem of long balancing time in the prior art is solved, and the purposes of reducing loss and prolonging the service life of the roller and the conveying belt are achieved; a multi-roller test is realized by one support, so that the batch processing capacity is stronger, and the test efficiency is obviously improved.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. Permanent magnetism cylinder power balance and overload start test device, its characterized in that includes: the device comprises a bracket (1), a brake unit (2) supported on the bracket (1) and used for braking a permanent magnet roller, and an analysis control unit (3) connected with the brake unit (2) and used for driving the brake unit (2) to act and acquiring and analyzing the working power of the permanent magnet roller;
the support (1) is provided with a plurality of supporting parts (101) for supporting the permanent magnet roller, every two supporting parts (101) form a group, and the two supporting parts (101) of one group are symmetrically arranged;
the brake unit (2) comprises a brake (201) and a strut (202) supporting the brake (201);
the brake (201) comprises a brake head (2011) and a brake disc (2012) for braking the permanent magnet drum;
the braking units (2) are supported at the supporting parts (101), two groups of braking units (2) are arranged at each supporting part (101), and the two groups of braking units (2) are arranged at intervals and respectively correspond to end covers at two ends of the permanent magnet drum.
2. The power balance and overload start test device for the permanent magnet drum according to claim 1, wherein the support part (101) comprises a horizontal support table (1011), a vertical support frame (1012) vertically supported on the horizontal support table (1011), an inclined support frame (1013) with one end supported on the top end of the vertical support frame (1012) and the other end supported on the horizontal support table (1011), and a mounting block (1014) mounted on the inclined support frame (1013) and rotatably connected with a rotating shaft of the permanent magnet drum;
the tilting support frame (1013) and the mounting block (1014) have two sets, respectively arranged corresponding to both ends of the permanent magnet drum.
3. The permanent magnet drum power balance and overload start-up test apparatus of claim 2, wherein the vertical support frame (1012) and the inclined support frame (1013) are comprised of a plurality of detachable support tubes (a).
4. The power balance and overload start-up test device for the permanent magnet drum according to claim 1, wherein the bracket (1) is provided with two supporting parts (101), and the two supporting parts (101) are symmetrically arranged.
5. The permanent magnet drum power balance and overload start-up test device according to claim 1, wherein the analysis control unit (3) comprises a driver connected with the brake head (2011) for driving the brake head (2011) to act and an analyzer connected with the brake disc (2012) for analyzing the power of the permanent magnet drum.
6. The permanent magnet drum power balance and overload start-up test apparatus of claim 5, wherein the driver is a hydraulic pump.
7. The permanent magnet drum power balance and overload start-up test apparatus according to claim 5, wherein the brake unit (2) further comprises a distance sensor disposed on the brake head (2011).
8. The permanent magnet drum power balance and overload start-up test device according to claim 5, wherein the analysis control unit (3) further comprises a control display panel electrically connected with the driver, the distance sensor and the analyzer.
9. The permanent magnet drum power balance and overload start test device according to claim 1, wherein the brake (201) is a disc brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/131116 WO2022205935A1 (en) | 2021-04-02 | 2021-11-17 | Power balance and overload startup testing device for permanent magnetic drum |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021103585411 | 2021-04-02 | ||
| CN202110358541.1A CN112729823A (en) | 2021-04-02 | 2021-04-02 | Permanent magnet roller power balance and overload starting test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113109042A true CN113109042A (en) | 2021-07-13 |
Family
ID=75596356
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110358541.1A Withdrawn CN112729823A (en) | 2021-04-02 | 2021-04-02 | Permanent magnet roller power balance and overload starting test device |
| CN202110435932.9A Pending CN113109042A (en) | 2021-04-02 | 2021-04-22 | Permanent magnet roller power balance and overload starting test device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110358541.1A Withdrawn CN112729823A (en) | 2021-04-02 | 2021-04-02 | Permanent magnet roller power balance and overload starting test device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN112729823A (en) |
| WO (1) | WO2022205935A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022205935A1 (en) * | 2021-04-02 | 2022-10-06 | 江苏嘉轩智能工业科技股份有限公司 | Power balance and overload startup testing device for permanent magnetic drum |
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2021
- 2021-04-02 CN CN202110358541.1A patent/CN112729823A/en not_active Withdrawn
- 2021-04-22 CN CN202110435932.9A patent/CN113109042A/en active Pending
- 2021-11-17 WO PCT/CN2021/131116 patent/WO2022205935A1/en active Application Filing
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| WO2006040412A1 (en) * | 2004-10-14 | 2006-04-20 | Abb Oy | Configuration and method for determining unbalance of rotating drum |
| CN204855062U (en) * | 2015-05-22 | 2015-12-09 | 河南万国科技股份有限公司 | Cylinder device and arrestment mechanism thereof |
| CN106289762A (en) * | 2016-08-12 | 2017-01-04 | 中煤科工集团上海有限公司 | A kind of conveyer belt collapses resistance test table apparatus and test method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2022205935A1 (en) | 2022-10-06 |
| CN112729823A (en) | 2021-04-30 |
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