CN109030250A - Fatigue strength tester - Google Patents
Fatigue strength tester Download PDFInfo
- Publication number
- CN109030250A CN109030250A CN201810877993.9A CN201810877993A CN109030250A CN 109030250 A CN109030250 A CN 109030250A CN 201810877993 A CN201810877993 A CN 201810877993A CN 109030250 A CN109030250 A CN 109030250A
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- China
- Prior art keywords
- pulley
- fast pulley
- fatigue strength
- fast
- strength tester
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- 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.)
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
-
- 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
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0688—Time or frequency
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
This application discloses a kind of fatigue strength testers, the first fast pulley and the second fast pulley including synchronous rotation, first fast pulley is provided with gear, wheel and rack engagement, rack gear is fixedly connected with the sliding block of slider-crank mechanism, certain distance is provided between first fast pulley and the second fast pulley, it is moved back and forth by slider-crank mechanism band carry-over bar, the rotation of rack drives gear reciprocating, to drive the first fast pulley reciprocating rotation, second fast pulley and the rotation of the first fast pulley synchronous reciprocating, the both ends for compensating chain are separately fixed on the first fast pulley and the second fast pulley by wirerope, with the rotation of the first fast pulley and the second fast pulley, the bending section of compensation chain constantly changes, to carry out fatigue strength test to compensation chain.
Description
Technical field
The present invention relates generally to test fixture field more particularly to a kind of fatigue strength testers.
Background technique
When the hoisting depth of cage type elevator is more than 30 meters, with regard to needing to use compensation chain between counterweight and sedan-chair frame.
Since elevator is in top layer, wirerope is just in counterweight-side, and counterweight-side is with regard to more weight of wirerope；When elevator is in bottom, steel
Cord is just in cage side, and cage side is with regard to more weight of wirerope.Since wirerope has weight, with the continuous fortune up and down of elevator
It is dynamic, dynamic imbalance can be generated, so can balance this part drop using compensation chain makes for compensating the weight of wirerope
Elevator even running.In running process of elevator, both ends constantly can be risen or be declined, and compensation chain can have bending part
Point, when production compensates chain, need the bending number to compensation chain to test, to meet fatigue strength requirement.
Summary of the invention
It is intended to provide a kind of fatigue strength tester that the buckling strength to compensation chain is tested.
In a first aspect, fatigue strength tester of the invention, the first fast pulley and second including synchronous rotation are fixed
Wheel, the first fast pulley are provided with gear, wheel and rack engagement, and rack gear is fixedly connected with the sliding block of slider-crank mechanism, and first
Certain distance is provided between fast pulley and the second fast pulley.
According to technical solution provided by the embodiments of the present application, moved back and forth by slider-crank mechanism band carry-over bar, rack gear
Gear reciprocating rotation is driven, to drive the first fast pulley reciprocating rotation, the second fast pulley and the first fast pulley synchronous reciprocating turn
It is dynamic, the both ends for compensating chain are separately fixed on the first fast pulley and the second fast pulley by wirerope, with the first fast pulley
With the rotation of the second fast pulley, the bending section for compensating chain constantly changes, to carry out fatigue strength test to compensation chain.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the fatigue strength tester of the embodiment of the present invention；
Fig. 2 is the mutually matched knot of slider-crank mechanism, guide rail of the fatigue strength tester of the embodiment of the present invention
Structure schematic diagram；
Fig. 3 is slider-crank mechanism, guide rail, the rack gear, gear phase of the fatigue strength tester of the embodiment of the present invention
The structural schematic diagram mutually cooperated.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Please refer to Fig. 1 to 3, fatigue strength tester of the invention, the first fast pulley 10 including synchronous rotation and
Two fast pulleys 20, the first fast pulley 10 are provided with gear 11, and gear 11 is engaged with rack gear 12, rack gear 12 and slider-crank mechanism
Sliding block 33 is fixedly connected, and is provided with certain distance between the first fast pulley 10 and the second fast pulley 20.
In an embodiment of the present invention, it is moved back and forth by slider-crank mechanism band carry-over bar, rack drives gear reciprocating
Rotation, to drive the first fast pulley reciprocating rotation, the second fast pulley and the rotation of the first fast pulley synchronous reciprocating will compensate chain
Both ends are separately fixed on the first fast pulley and the second fast pulley by wirerope, with the first fast pulley and the second fast pulley
Rotation, the bending section for compensating chain constantly change, to carry out fatigue strength test to compensation chain.
It can be moved by motor driven slider-crank mechanism, and motor only needs unidirectional drive slider-crank mechanism to transport
Dynamic, motor haves no need to change rotation direction, can be energy saving, improves the efficiency of compensation chain fatigue strength test.
Further, including the first fixed frame 40, the first fixed frame 40 are fixedly connected with guide rail 41, sliding block 33 and guide rail 41
It is slidably matched.
In an embodiment of the present invention, by the direction of motion of rail guidance sliding block, so that sliding block is transported in a certain range
Dynamic, sliding block is slidably matched with guide rail, reduces the friction between sliding block and guide rail, improves the service life of sliding block.
Further, slider-crank mechanism includes rotating wheel 31, and rotating wheel 31 is rotatably connected to connecting rod 32, and connecting rod 32 rotates
It is connected with sliding block 33, the first fixed frame 40 is rotatably connected to rotating wheel 31.
In an embodiment of the present invention, it can be rotated by motor driven rotating wheel, and motor only needs to drive rotation
It takes turns to a direction and rotates, motor haves no need to change rotation direction, it will be able to drive the first fast pulley and the second fast pulley back and forth
Then rotation inverts a period of time, so specifically, the first fast pulley and the second fast pulley can first rotate forward a period of time again
Circulation, drives the movement of compensation chain crooked position, thus achieve the purpose that test compensation chain fatigue strength, it can be energy saving,
Improve the efficiency of compensation chain fatigue strength test.
Further, sliding block 33 is fixed with rack gear 12 backwards to the side of guide rail 41.
In an embodiment of the present invention, sliding block is fixed with rack gear backwards to the side of guide rail, convenient for the installation of gear, improves
The assembly efficiency of fatigue strength tester.
Further, the race of the first fast pulley 10, which is removably secured, is connected with the first wirerope, the second fast pulley 20
Race be removably secured and be connected with the second wirerope.
In an embodiment of the present invention, the race of the first fast pulley, which is removably secured, is connected with the first wirerope, passes through
One end of first wirerope being fixed in the race of the first fast pulley, the other end of the first wirerope is fixed with compensation chain, when
When first fast pulley rotates, it can be fixed by the first wirerope-winding on the first fast pulley to change compensation chain and first
The distance between wheel.The race of second fast pulley, which is removably secured, is connected with the second wirerope, by by the second wirerope
One end is fixed in the race of the second fast pulley, and the other end of the second wirerope is fixed with compensation chain, when the second fast pulley rotates
When, it can be by the second wirerope-winding on the second fast pulley, to change compensation the distance between chain and the second fast pulley.?
Under the drive of first fast pulley and the second fast pulley constantly rotated, the test to compensation chain bending fatigue strength is realized.
Further, the race of the first fast pulley 10 is bolted with the first fastening bolt, and the first fastening bolt is connected with first
One end of wirerope, the race of the second fast pulley 20 are bolted with the second fastening bolt, and the second fastening bolt is connected with the second steel wire
One end of rope.
In an embodiment of the present invention, the race of the first fast pulley is bolted with the first fastening bolt, the first fastening bolt card
It is connected to one end of the first wirerope, facilitates and disassembles and installs the first wirerope, when the damage of the first wirerope, Neng Goujin
Row quick-replaceable.The race of second fast pulley is bolted with the second fastening bolt, and the second fastening bolt is connected with the second wirerope
One end facilitates and disassembles and installs the second wirerope, when the damage of the second wirerope, is able to carry out quick-replaceable.
Further, the lower section setting first pulley 61 of the first fast pulley 10, first pulley 61 and the first fast pulley 10
Vertical projection has overlapping portion, and second pulley 62, second pulley 62 and the second fast pulley 20 is arranged in the lower section of the second fast pulley 20
Vertical projection have overlapping portion.
In an embodiment of the present invention, the first wirerope can be around first pulley and then fixed compensation chain, the second wirerope
Can be around second pulley and then fixed compensation chain, first pulley and second pulley can be avoided in the first fast pulley rotation process
In, compensation chain, which generates, excessively to be shaken, and the accuracy of fatigue strength test result is improved.
Further, be provided with third pulley 63 below first pulley 61, first pulley 61 and third pulley 63 it is vertical
Projection has overlapping portion, is provided with the 4th pulley 64, the vertical throwing of second pulley 62 and the 4th pulley 64 below second pulley 62
Shadow has overlapping portion.
In an embodiment of the present invention, by the cooperation of first pulley and third pulley, second pulley and the 4th pulley
Cooperation can be further reduced the shaking that compensation chain has an impact test result during the test, improve fatigue strength survey
The accuracy of test result.
Further, including the second fixed frame 50, the second fixed frame 50 are provided with multiple fixation holes 51, multiple fixation holes 51
With difference at a distance from third pulley 63, the 4th pulley 64 is removably secured with fixation hole 51 to be connect.
It in an embodiment of the present invention, can be according to the actual conditions of compensation chain, to determine which the 4th pulley fixed with
Hole is fixedly connected, and improves the applicability of fatigue strength tester.Also, it is very convenient to dismount the 4th pulley.
Further, the first fast pulley 10 and the second fast pulley 20 pass through toothed belt transmission.
In an embodiment of the present invention, the gear range of toothed belt transmission is big, compact-sized, and can be to building ring
Border is of less demanding, can adapt to a variety of severe working environments.And toothed belt transmission maintenance is convenient, and running expense is low.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of fatigue strength tester, which is characterized in that the first fast pulley and the second fast pulley including synchronous rotation, institute
It states the first fast pulley and is provided with gear, the wheel and rack engagement, the fixed company of the sliding block of the rack gear and slider-crank mechanism
It connects, is provided with certain distance between first fast pulley and second fast pulley.
2. fatigue strength tester according to claim 1, which is characterized in that including the first fixed frame, described first
Fixed frame is fixedly connected with guide rail, and the sliding block is slidably matched with the guide rail.
3. fatigue strength tester according to claim 2, which is characterized in that the slider-crank mechanism includes rotation
Wheel, the rotating wheel are rotatably connected to connecting rod, and the link rotatable is connected with the sliding block, the first fixed frame rotation connection
There is the rotating wheel.
4. fatigue strength tester according to claim 2, which is characterized in that the sliding block backwards to the guide rail one
Side is fixed with the rack gear.
5. fatigue strength tester according to claim 1, which is characterized in that the race of first fast pulley is removable
It is fixedly connected with the first wirerope with unloading, the race of second fast pulley, which is removably secured, is connected with the second wirerope.
6. fatigue strength tester according to claim 5, which is characterized in that the race of first fast pulley is spirally connected
There is the first fastening bolt, first fastening bolt is connected with one end of first wirerope, the wheel of second fast pulley
Slot is bolted with the second fastening bolt, and second fastening bolt is connected with one end of second wirerope.
7. fatigue strength tester according to claim 1, which is characterized in that the lower section of first fast pulley is arranged
The vertical projection of first pulley, the first pulley and first fast pulley has overlapping portion, under second fast pulley
The vertical projection of side's setting second pulley, the second pulley and second fast pulley has overlapping portion.
8. fatigue strength tester according to claim 7, which is characterized in that be provided with the below the first pulley
The vertical projection of three pulleys, the first pulley and the third pulley has overlapping portion, is provided with below the second pulley
The vertical projection of 4th pulley, the second pulley and the 4th pulley has overlapping portion.
9. fatigue strength tester according to claim 8, which is characterized in that including the second fixed frame, described second
Fixed mount setting has multiple fixation holes, and multiple fixation holes are different at a distance from the third pulley, the 4th pulley with
The fixation hole is removably secured connection.
10. fatigue strength tester according to claim 1, which is characterized in that first fast pulley and described
Two fast pulleys pass through toothed belt transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877993.9A CN109030250B (en) | 2018-08-03 | 2018-08-03 | Fatigue strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877993.9A CN109030250B (en) | 2018-08-03 | 2018-08-03 | Fatigue strength testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109030250A true CN109030250A (en) | 2018-12-18 |
| CN109030250B CN109030250B (en) | 2022-10-25 |
Family
ID=64649372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810877993.9A Active CN109030250B (en) | 2018-08-03 | 2018-08-03 | Fatigue strength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109030250B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033670A (en) * | 2020-09-17 | 2020-12-04 | 江苏兴华胶带股份有限公司 | Rotary elevator balance compensation chain testing machine |
| CN115561086A (en) * | 2022-12-05 | 2023-01-03 | 常州市朗科精密机械有限公司 | Servo motor shell multistation synchronous detection device |
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| CN203069364U (en) * | 2013-01-05 | 2013-07-17 | 南通通洋机电制造有限公司 | A compensating chain fatigue testing machine |
| CN203629987U (en) * | 2013-12-20 | 2014-06-04 | 展鹏科技股份有限公司 | Device for testing durability of steel wire rope for elevator door motor |
| CN105352827A (en) * | 2015-12-11 | 2016-02-24 | 重庆迈高电梯有限公司 | Steel wire rope and traveling cable fatigue bending test system |
| CN205192895U (en) * | 2015-12-11 | 2016-04-27 | 重庆迈高电梯有限公司 | Wire rope and retinue cable bending fatigue test system |
| CN105675415A (en) * | 2016-03-02 | 2016-06-15 | 浙江理工大学 | Fatigue tester for bow-shaped elevator traction steel wire rope |
| CN106927329A (en) * | 2017-05-03 | 2017-07-07 | 海门圣帕斯电梯配件有限公司 | Elevator compensation chain dynamic property testing equipment |
| CN107601200A (en) * | 2017-10-16 | 2018-01-19 | 宣城市华菱精工科技股份有限公司 | A kind of compensating cable of elevator detection means |
| CN107817171A (en) * | 2017-12-05 | 2018-03-20 | 中国航空综合技术研究所 | Be open cable sheath bend performance testing device and method of testing |
| CN207336264U (en) * | 2017-08-22 | 2018-05-08 | 浙江理工大学 | A kind of traction steel-cable fatigue bending machine of actuated by cams |
-
2018
- 2018-08-03 CN CN201810877993.9A patent/CN109030250B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216397A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Elevator armored rope bending fatigue state experimental bench |
| CN203069364U (en) * | 2013-01-05 | 2013-07-17 | 南通通洋机电制造有限公司 | A compensating chain fatigue testing machine |
| CN203629987U (en) * | 2013-12-20 | 2014-06-04 | 展鹏科技股份有限公司 | Device for testing durability of steel wire rope for elevator door motor |
| CN105352827A (en) * | 2015-12-11 | 2016-02-24 | 重庆迈高电梯有限公司 | Steel wire rope and traveling cable fatigue bending test system |
| CN205192895U (en) * | 2015-12-11 | 2016-04-27 | 重庆迈高电梯有限公司 | Wire rope and retinue cable bending fatigue test system |
| CN105675415A (en) * | 2016-03-02 | 2016-06-15 | 浙江理工大学 | Fatigue tester for bow-shaped elevator traction steel wire rope |
| CN106927329A (en) * | 2017-05-03 | 2017-07-07 | 海门圣帕斯电梯配件有限公司 | Elevator compensation chain dynamic property testing equipment |
| CN207336264U (en) * | 2017-08-22 | 2018-05-08 | 浙江理工大学 | A kind of traction steel-cable fatigue bending machine of actuated by cams |
| CN107601200A (en) * | 2017-10-16 | 2018-01-19 | 宣城市华菱精工科技股份有限公司 | A kind of compensating cable of elevator detection means |
| CN107817171A (en) * | 2017-12-05 | 2018-03-20 | 中国航空综合技术研究所 | Be open cable sheath bend performance testing device and method of testing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033670A (en) * | 2020-09-17 | 2020-12-04 | 江苏兴华胶带股份有限公司 | Rotary elevator balance compensation chain testing machine |
| CN112033670B (en) * | 2020-09-17 | 2021-10-12 | 江苏兴华胶带股份有限公司 | Rotary elevator balance compensation chain testing machine |
| CN115561086A (en) * | 2022-12-05 | 2023-01-03 | 常州市朗科精密机械有限公司 | Servo motor shell multistation synchronous detection device |
| CN115561086B (en) * | 2022-12-05 | 2023-02-17 | 常州市朗科精密机械有限公司 | Servo motor shell multistation synchronous detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109030250B (en) | 2022-10-25 |
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