CN111257131A - Transmission device for cord bending fatigue testing machine - Google Patents
Transmission device for cord bending fatigue testing machine Download PDFInfo
- Publication number
- CN111257131A CN111257131A CN201811462343.4A CN201811462343A CN111257131A CN 111257131 A CN111257131 A CN 111257131A CN 201811462343 A CN201811462343 A CN 201811462343A CN 111257131 A CN111257131 A CN 111257131A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- cord
- driving motor
- testing machine
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
Abstract
The invention discloses a transmission device for a cord bending fatigue testing machine, which comprises a driving motor, a speed reducer, a transmission shaft, a rolling bearing, a balance block and an adjustable amplitude component. The device drives an actuating mechanism of the cord bending fatigue testing machine to reciprocate up and down through a driving motor, a speed reducer, a transmission shaft and the like. Due to the adoption of a rigid connection transmission mode, the maintenance amount of the equipment is reduced, and the stability and the reliability of the operation of the equipment are improved.
Description
Technical Field
The invention relates to a transmission device for a cord bending fatigue testing machine used in cord testing machinery, belonging to the technical field of cord mechanical testing.
Background
The cord is a warp material for weaving cord fabric, and can be used as rubber products such as tires, conveyor belts, transmission belts and the like. Mainly divided into viscose cord, polyamide cord, polyester cord, aromatic polyamide cord, etc., and the performances of the cords are different. In actual use, the cord has the requirements of high strength, high initial modulus, heat resistance, fatigue resistance, good dimensional stability, good adhesion with rubber and the like. The user will often choose the rubber product based on the performance requirements and cost of the rubber product. The cord bending fatigue testing machine is just an instrument for testing the bending fatigue performance of different cords.
GB/T30315 and 2013 dipping cord reciprocating bending fatigue test method stipulates a method for testing the fatigue resistance of a cord after the dipping cord for rubber products is subjected to bending reciprocating fatigue under a certain load. The core of the test data is load and fatigue times, so the speed deviation and the stability of the equipment in the transmission process are very important. Under the condition, the invention provides a transmission device of a cord fatigue bending tester, which can well solve the problem.
Disclosure of Invention
The purpose of the invention is as follows:
the invention is designed for solving the problems that a transmission belt is easy to slip, damage and replace and the like in a cord bending fatigue test and aiming at improving the operability, the test efficiency and the test reliability of equipment.
The technical scheme is as follows:
in order to solve the problems, a new design scheme is adopted, a driving motor, a speed reducer and a transmission shaft are directly connected in a cord bending fatigue test, the driving motor and the speed reducer are maintenance-free for the whole life, the transmission ratio is unchanged, the torque is constant, the system operation is stable, and the test frequency is constant, so that the reliability of the testing machine is greatly improved.
The invention relates to a transmission device for a cord bending fatigue testing machine, which consists of a driving motor, a speed reducer, a transmission shaft, a rolling bearing, a balance block and an adjustable amplitude component.
The driving motor and the speed reducer are composed of an alternating current servo motor and a hollow output shaft bevel gear speed reducer, and the driving motor and the speed reducer drive the transmission shaft to rotate along the axis.
The transmission shaft is connected with a speed reducer, a rolling bearing, a balance block and an adjustable amplitude component.
The rolling bearing serves to fix the entire transmission system.
The balance weight is composed of two eccentric wheels and plays a role in balancing the gravity center of the system.
The adjustable amplitude assembly converts the rotary motion of the transmission shaft into the up-and-down reciprocating motion of the actuating mechanism.
The precise transmission is realized by the rigid connection of the driving motor, the speed reducer and the transmission shaft, the friction resistance is reduced by the rolling bearing, the system vibration is reduced by the balance block, the rotary motion is converted into the up-and-down reciprocating motion of the actuating mechanism by the amplitude-adjustable component, and the amplitude adjustment is realized. The invention has the advantages of simple structure, small volume, good reliability, convenient operation, strong practicability and high accuracy.
Has the advantages that:
the invention has the following beneficial effects:
(1) the driving motor, the speed reducer and the transmission shaft are in rigid connection, the transmission ratio is accurate, the number of revolutions is not lost, and the driving motor and the speed reducer are free of maintenance throughout the life.
(2) The balance block can make the system stably run and reduce noise.
(3) The adjustable amplitude assembly may select the amplitude based on different test conditions.
(4) The invention has the advantages of simple structure, good operability, convenient adjustment and installation and excellent preservation performance in terms of use effect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 shows a transmission device of a cord bending fatigue tester.
Wherein:
in fig. 1: 1. the vibration-damping device comprises a driving motor, 2 parts of a rolling bearing, 3 parts of a balance block, 4 parts of a speed reducer, 5 parts of a transmission shaft and 6 parts of an amplitude-adjustable component.
Detailed Description
Example (b): in the attached drawing, the transmission device for the cord bending fatigue testing machine comprises a driving motor (1), a rolling bearing (2), a balance block (3), a speed reducer (4), a transmission shaft (5), an amplitude-adjustable component (6) and a fastening screw of each component.
The driving motor (1) drives the transmission shaft (5) to rotate through the speed reducer (4), and the amplitude-adjustable component (6) reciprocates up and down along with the rotation.
The rolling bearing (2) plays a role of supporting the transmission shaft (5).
The balance weight (3) plays a role in balancing the gravity center of the system and reducing the vibration of the equipment.
The device realizes the transmission of power in the cord fatigue bending test, has simple structure, small volume, good reliability, convenient operation, strong practicability and high accuracy, and has great promotion in operability and reliability of the testing machine.
Claims (2)
1. A transmission device for a cord bending fatigue testing machine is characterized by comprising a driving motor, a speed reducer, a transmission assembly and an adjustable amplitude assembly; the driving motor, the speed reducer and the transmission assembly are composed of an alternating current servo motor, the speed reducer, a transmission shaft, a rolling bearing and a balance block, the driving motor is installed on the speed reducer, the speed reducer drives the transmission shaft to rotate, and the adjustable amplitude assembly converts rotary motion into up-and-down reciprocating motion.
2. The actuator for a cord fatigue bending tester according to claim 1, wherein the actuator is used in a cord fatigue bending tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462343.4A CN111257131A (en) | 2018-12-03 | 2018-12-03 | Transmission device for cord bending fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462343.4A CN111257131A (en) | 2018-12-03 | 2018-12-03 | Transmission device for cord bending fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111257131A true CN111257131A (en) | 2020-06-09 |
Family
ID=70948381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462343.4A Pending CN111257131A (en) | 2018-12-03 | 2018-12-03 | Transmission device for cord bending fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111257131A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058364Y (en) * | 2007-06-15 | 2008-05-14 | 中国第一重型机械集团公司 | Vibrator of adjustable eccentricity type crystallizer |
| CN101271052A (en) * | 2008-04-08 | 2008-09-24 | 广西工学院 | Flat plate fatigue bending machine |
| CN204638535U (en) * | 2015-03-25 | 2015-09-16 | 江苏青山机械有限公司 | Wide cut hanger supported shaking screen transmission device |
| US20150276570A1 (en) * | 2014-03-31 | 2015-10-01 | Dmar Engineering, Inc. | Umbilical bend-testing |
| CN204944961U (en) * | 2015-08-12 | 2016-01-06 | 上海微创医疗器械（集团）有限公司 | Fatigue property testing apparatus |
| CN107389470A (en) * | 2017-08-09 | 2017-11-24 | 中国石油天然气集团公司 | A kind of full-scale rotary bending fatigue test device and method of oil well pipe |
-
2018
- 2018-12-03 CN CN201811462343.4A patent/CN111257131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058364Y (en) * | 2007-06-15 | 2008-05-14 | 中国第一重型机械集团公司 | Vibrator of adjustable eccentricity type crystallizer |
| CN101271052A (en) * | 2008-04-08 | 2008-09-24 | 广西工学院 | Flat plate fatigue bending machine |
| US20150276570A1 (en) * | 2014-03-31 | 2015-10-01 | Dmar Engineering, Inc. | Umbilical bend-testing |
| CN204638535U (en) * | 2015-03-25 | 2015-09-16 | 江苏青山机械有限公司 | Wide cut hanger supported shaking screen transmission device |
| CN204944961U (en) * | 2015-08-12 | 2016-01-06 | 上海微创医疗器械（集团）有限公司 | Fatigue property testing apparatus |
| CN107389470A (en) * | 2017-08-09 | 2017-11-24 | 中国石油天然气集团公司 | A kind of full-scale rotary bending fatigue test device and method of oil well pipe |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200609 |
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| WD01 | Invention patent application deemed withdrawn after publication |