CN205826185U - Idler roller moves rotational resistance test device - Google Patents
Idler roller moves rotational resistance test device Download PDFInfo
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- CN205826185U CN205826185U CN201620630953.0U CN201620630953U CN205826185U CN 205826185 U CN205826185 U CN 205826185U CN 201620630953 U CN201620630953 U CN 201620630953U CN 205826185 U CN205826185 U CN 205826185U
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- China
- Prior art keywords
- idler roller
- rotational resistance
- test device
- stay cord
- framework
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Abstract
This utility model relates to test equipment field, disclose a kind of Idler roller and move rotational resistance test device, including frame, stay cord, cylinder, drum driven assembly, Timing Belt, support, framework, counterweight and pressure detecting part, frame includes two root posts, column is provided with guide rail, and bracket slide is located at guide rail；Frame is provided with pulley assembly, and stay cord passes pulley assembly, and stay cord two ends connect counterweight and support respectively；Support be respectively arranged at two ends with wedge, framework is installed on wedge by revolving part；Framework is provided with two fulcrums, and two fulcrums are used for installing Idler roller to be measured, and the center of rotation of fulcrum overlaps with the center of rotation of revolving part；Pressure detecting part is located at support, and triggers pressure detecting part when framework rotates；Cylinder is connected with Idler roller V belt translation to be measured by Timing Belt；Drum driven assembly is connected with cylinder power.This utility model can accurately test the dynamic rotational resistance of Idler roller.
Description
Technical field
This utility model relates to testing equipment field, particularly relates to a kind of Idler roller and moves rotational resistance test device.
Background technology
Along with ribbon conveyer is to distance, large conveying quantity, the development in high belt speed direction, for Idler roller running resistance
Computational accuracy is had higher requirement, therefore for the main part of calculating of ribbon conveyer running resistance, Idler roller
The numerical value of dynamic rotational resistance propose more accurate requirement.
In prior art, as it is shown on figure 3, the dynamic rotational resistance of Idler roller is applying uniform load pressure on Idler roller
Apply a rotating speed n simultaneously for roller under the state of power N, produce rotating torques M, by conversion at Idler roller supporting two ends
Measure dynamic rotational resistance P.
The dynamic rotational resistance of test has two kinds of methods in the market, one be fulcrum in idler roll auxiliary cylinder, at this moment measure
Be the rotational resistance under the no-load condition not having imposed load on Idler roller axle, the actual working state of this and Idler roller
Under do not meet；Another is to support two ends at Idler roller axle to use aerodynamic bearing, in test process, and moving of test
Rotational resistance result has the torque M that additional aerodynamic bearing produces in theoryk, owing to this torque is the least, from engineering
From the point of view of can ignore, but theoretically exist, so the dynamic rotational resistance of gained is also simply near from test result
Like value.
The mode that Idler roller to be measured applies pressure loading P is seen all to use and is used the side pressed above Idler roller
Formula, the actual condition of this mode and Idler roller work makes a big difference, the commonly used lever of pressing roller the most at present
Rotate around a fixing point, therefore pressing roller and Idler roller roller are not ensured that for different Idler roller diameters
Contact point is the center O with cylinder1And Idler roller center O2On the same line, because centre of the drum O1It is in pressurization quality
The heart, therefore has the possibility that pressurizing load is eccentric, Idler roller pressurization can be produced unbalance loading phenomenon, thus bring test error, with
Time have error due to Idler roller diameter, test process can produce vibration thus have influence on the precision of test.
Utility model content
(1) to solve the technical problem that
The purpose of this utility model is to provide the Idler roller of a kind of dynamic rotational resistance that can accurately test Idler roller
Dynamic rotational resistance test device.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of Idler roller to move rotational resistance test device, bag
Including rack, stay cord, cylinder, drum driven assembly, Timing Belt, support, framework, counterweight and pressure detecting part, described frame includes
Two root posts, described column is provided with guide rail, and described bracket slide is located at described guide rail；Described frame is provided with pulley assembly, described
Stay cord passes described pulley assembly, and described stay cord two ends connect described counterweight and described support respectively；The two ends of described support
Being respectively equipped with wedge, described framework is installed on described wedge by revolving part；Described framework is provided with two fulcrums, and said two is propped up
Point is used for installing Idler roller to be measured, and the center of rotation of described fulcrum overlaps with the center of rotation of described revolving part；Described pressure
Power detection piece is located at described support, and triggers described pressure detecting part when described framework rotates；Described cylinder is by described synchronization
Band is connected with described Idler roller V belt translation to be measured；Described drum driven assembly is connected with described cylinder power.
Wherein, described pulley assembly includes fixed pulley, and described stay cord passes described fixed pulley.
Wherein, described stay cord, counterweight and pulley assembly are two, and said two counterweight is respectively by said two stay cord
Being connected with the two ends of described support, each described stay cord passes a described pulley assembly.
Wherein, described revolving part includes that V-shaped groove ferrum, the bottom land of described V-shaped groove ferrum are connected with the top of described wedge.
Wherein, described stay cord is steel wire rope.
Wherein, this test device also includes velocity measuring part, for detecting the linear velocity of described Timing Belt.
Wherein, this test device also includes that calculating center, described calculating center are built-in with in computing formula, and described calculating
The heart is connected with stress test part and velocity test part, calculates for the data provided according to stress test part and velocity test part
Rotational resistance, and it is shown to user.
Wherein, described frame also includes that transverse slat, described transverse slat are cross-placed on two described columns.
Wherein, described framework is rectangular frame.
(3) beneficial effect
Idler roller of the present utility model moves rotational resistance test device by counterweight and stay cord upwards loaded load, loading
The mode of load is close with the actual condition of Idler roller, uses stay cord and counterweight tensioning Timing Belt, and two fulcrums are actually
Becoming flexible point, in the case of Idler roller diameter exists error, Timing Belt will absorb carrying roller with stay cord as spring
This fractional error that diameter change produces so that test result is more accurate.The axle center of Idler roller to be measured and the rotation with framework
Turn centrage to overlap, it is ensured that Idler roller center of rotation is constant when framework rotates, rotate to one relatively when framework simultaneously
During steady statue, the frictional resistance of contact point is 0 in theory, the dynamic rotational resistance not having additive error exactly at this moment measured,
Ensure the accuracy of test.
Accompanying drawing explanation
Fig. 1 is the front view that this utility model Idler roller moves rotational resistance test device embodiment；
Fig. 2 is the side view that this utility model Idler roller moves rotational resistance test device embodiment；
Fig. 3 is that the load using prior art test process middle idler roller roller loads schematic diagram.
In figure, 1: frame；1.1: column；1.2: transverse slat；1.3: pulley assembly；1.11: guide rail；2: stay cord；3: cylinder；4:
Drum driven assembly；5: Timing Belt；6: support；6.1: wedge；7: framework；7.1: fulcrum；7.2:V shape channel；8: counterweight；9: pressure
Power detection piece；10: Idler roller to be measured.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Example is used for illustrating this utility model, but is not limited to scope of the present utility model.
If Fig. 1 is to shown in 2, this utility model Idler roller moves the embodiment of rotational resistance test device, including frame 1,
Stay cord 2, cylinder 3, drum driven assembly 4, Timing Belt 5, support 6, framework 7, counterweight 8 and pressure detecting part 9.Frame 1 includes two
Root post 1.1 and a transverse slat 1.2, every root post 1.1 is provided with guide rail 1.11, slides to be located at by slide block and lead in the two ends of support 6
Rail 1.11, transverse slat 1.2 is cross-placed on the top of two root posts 1.1.Frame 1 is provided with pulley assembly 1.3, concrete, pulley assembly 1.3
It is located on transverse slat 1.2.Stay cord 2 is through pulley assembly 1.3, and stay cord 2 two ends connect counterweight 8 and support 6 respectively.The two of support 6
End is respectively equipped with wedge 6.1, and framework 7 is installed on wedge 6.1 by revolving part；Framework 7 is provided with two fulcrums 7.1, two fulcrums
7.1 are used for installing Idler roller 10 to be measured, and the center of rotation of fulcrum 7.1 overlaps with the center of rotation of revolving part, i.e. when to be measured
Idler roller 10 is arranged on fulcrum 7.1 when testing, in the rotation when axle center of Idler roller 10 to be measured rotates with revolving part
The heart coincides.Pressure detecting part 9 is located at support 6, and triggers pressure detecting part 9 when framework 7 rotates, i.e. as in figure 2 it is shown, pressure is examined
Survey part 9 to set on the frame 6, and be positioned at the both sides of the revolving part of framework 7, when framework 7 rotates, pressure detecting part 9 can be triggered,
Pressure detecting part 9 obtains pressure data.Cylinder 3 is located at the lower section of support 6, and cylinder 3 is by Timing Belt 5 and Idler roller 10 to be measured
V belt translation connects；Drum driven assembly 4 is connected with cylinder 3 power, and drum driven assembly 4 preferably includes motor and decelerator, electricity
Machine is connected with cylinder by decelerator, drives cylinder to rotate.Preferably, framework 7 uses rectangular frame, stay cord 2 to use steel wire rope.
It should be noted that the Figure of description of the present embodiment includes Idler roller 10 to be measured, simply to illustrate that
Convenient, Idler roller of the present utility model moves rotational resistance test device and does not include Idler roller 10 to be measured.
During use, as illustrated in fig. 1 and 2, Idler roller 10 to be measured is arranged on fulcrum 7.1, load N loaded as required
Size arranges counterweight 8, starts drum driven assembly 4, and cylinder 3 drives Idler roller 10 to be measured to rotate by Timing Belt 5, rotates
Time, framework 7 rotates around revolving part, triggers pressure detecting part 9, and pressure detecting part 9 obtains pressure data, according to the rotation speed of cylinder
Degree obtains the rotating speed n for Idler roller 10 to be measured, produces rotating torques M at Idler roller supporting two ends, is measured by conversion
Dynamic rotational resistance P.
Idler roller of the present utility model moves rotational resistance test device by counterweight and stay cord upwards loaded load, loading
The mode of load is close with the actual condition of Idler roller, uses stay cord and counterweight tensioning Timing Belt, and two fulcrums are actually
Becoming flexible point, in the case of Idler roller diameter exists error, Timing Belt will absorb carrying roller with stay cord as spring
This fractional error that diameter change produces so that test result is more accurate.The axle center of Idler roller to be measured and the rotation with framework
Turn centrage to overlap, it is ensured that Idler roller center of rotation is constant when framework rotates, rotate to one relatively when framework simultaneously
During steady statue, the frictional resistance of contact point is 0 in theory, the dynamic rotational resistance not having additive error exactly at this moment measured,
Ensure the accuracy of test.
Preferably, pulley assembly 1.3 includes fixed pulley, and stay cord 2 is through fixed pulley.Use fixed pulley, simple in construction, reduce
The error that test device brings.
Preferably, as it is shown in figure 1, stay cord 2, counterweight 8 and pulley assembly 1.3 are two, two counterweights 8 are respectively by two
Individual stay cord 2 is connected with the two ends of support 6, and each stay cord 2 is through a pulley assembly 1.3.Use two set of weights 8 at support 6
Two ends carry out the loading of load so that the load of loading has identical load value at two fulcrums of Idler roller, improves inspection
The accuracy surveyed.
Revolving part includes that V-shaped groove ferrum 7.2, the bottom land of V-shaped groove ferrum 7.2 are rotatably connected with the top of wedge 6.1.Use V-arrangement
Channel 7.2, positioning action is played in the rotation to framework 7, it is to avoid the sliding between framework 7 and wedge 6.1.
This test device also includes velocity measuring part (not shown), for detecting the linear velocity of Timing Belt 5.By detection
The speed of Timing Belt 5, improves the accuracy calculating parameter further, and improves the accuracy of test result.
This test device also includes calculating center (not shown), and calculating center is built-in with computing formula, and the center of calculating
It is connected with stress test part and velocity test part, calculates rotation for the data provided according to stress test part and velocity test part
Turn resistance, and be shown to user.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (9)
1. an Idler roller moves rotational resistance test device, it is characterised in that include frame, stay cord, cylinder, drum driven group
Part, Timing Belt, support, framework, counterweight and pressure detecting part, described frame includes that two root posts, described column are provided with guide rail, institute
State bracket slide and be located at described guide rail；Described frame is provided with pulley assembly, described stay cord pass described pulley assembly, and described in draw
Rope two ends connect described counterweight and described support respectively；Described support be respectively arranged at two ends with wedge, described framework by rotate
Part is installed on described wedge；Described framework is provided with two fulcrums, and said two fulcrum is used for installing Idler roller to be measured, and described
The center of rotation of fulcrum overlaps with the center of rotation of described revolving part；Described pressure detecting part is located at described support, and described frame
Frame triggers described pressure detecting part when rotating；Described cylinder is by described Timing Belt with described Idler roller V belt translation to be measured even
Connect；Described drum driven assembly is connected with described cylinder power.
2. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described pulley assembly includes
Fixed pulley, described stay cord passes described fixed pulley.
3. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described stay cord, counterweight and
Pulley assembly is two, and said two counterweight is connected with the two ends of described support by said two stay cord respectively, Mei Gesuo
State stay cord through a described pulley assembly.
4. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described revolving part includes V
Shape channel, the bottom land of described V-shaped groove ferrum is connected with the top of described wedge.
5. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described stay cord is steel wire
Rope.
6. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that this test device also includes
Velocity measuring part, for detecting the linear velocity of described Timing Belt.
7. Idler roller as claimed in claim 6 moves rotational resistance test device, it is characterised in that this test device also includes
Calculating center, described calculating center is built-in with computing formula, and described calculating center connects with stress test part and velocity test part
Connect, calculate rotational resistance for the data provided according to stress test part and velocity test part, and be shown to user.
8. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described frame also includes horizontal stroke
Plate, described transverse slat is cross-placed on two described columns.
9. Idler roller as claimed in claim 1 moves rotational resistance test device, it is characterised in that described framework is rectangle frame
Frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630953.0U CN205826185U (en) | 2016-06-23 | 2016-06-23 | Idler roller moves rotational resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630953.0U CN205826185U (en) | 2016-06-23 | 2016-06-23 | Idler roller moves rotational resistance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826185U true CN205826185U (en) | 2016-12-21 |
Family
ID=58146083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620630953.0U Active CN205826185U (en) | 2016-06-23 | 2016-06-23 | Idler roller moves rotational resistance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806951A (en) * | 2017-11-28 | 2018-03-16 | 力博重工科技股份有限公司 | Adjustable load roller revolving resistance detection means |
| CN112504651A (en) * | 2020-11-30 | 2021-03-16 | 兖矿集团邹城金通橡胶有限公司 | Flexible carrier roller failure testing machine |
-
2016
- 2016-06-23 CN CN201620630953.0U patent/CN205826185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806951A (en) * | 2017-11-28 | 2018-03-16 | 力博重工科技股份有限公司 | Adjustable load roller revolving resistance detection means |
| CN112504651A (en) * | 2020-11-30 | 2021-03-16 | 兖矿集团邹城金通橡胶有限公司 | Flexible carrier roller failure testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee after: BEIJING MATERIALS HANDLING RESEARCH INSTITUTE Co.,Ltd. Address before: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee before: Beijing Materials Handling Research Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230828 Address after: 100007 No. 52, Lama Temple Avenue, Beijing, Dongcheng District Patentee after: Beijing Kezhengping Engineering Technology Testing Research Institute Co.,Ltd. Address before: 100007 No. 52, Lama Temple Avenue, Beijing, Dongcheng District Patentee before: BEIJING MATERIALS HANDLING RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right |