CN203785977U - Rotating bending fatigue tester - Google Patents
Rotating bending fatigue tester Download PDFInfo
- Publication number
- CN203785977U CN203785977U CN201420037072.9U CN201420037072U CN203785977U CN 203785977 U CN203785977 U CN 203785977U CN 201420037072 U CN201420037072 U CN 201420037072U CN 203785977 U CN203785977 U CN 203785977U
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- lever
- testing machine
- motor
- described testing
- rotary bending
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Abstract
The utility model discloses a rotating bending fatigue tester. The rotating bending fatigue tester comprises a tester base at the bottom, a tester body, supports, a lever, a motor and a control system, wherein the left and right supports, left and right shaft barrel assemblies, a clamp assembly, a connecting rod, a motor, operation buttons and a counter are arranged on the tester body respectively; a loading and unloading system with a gear structure is arranged in the tester body; the lever, a leveling weight and a weight are arranged below the tester body respectively. A level structure and a variable-frequency regulation and control way are combined, the overall layout is reasonable, the structure is compact, and the motor output rotating speed is 900-10,000 revolutions per minute. The rotating bending fatigue tester has the functions of rotating speed output control, cyclic test, comparison test and the like.
Description
Technical field
The present invention relates to the detection field of Physical Properties of Metallicmateriais, test specifically a kind of rotary bending tester of metal material fatigue strength and fatigue lifetime.
Background technology
Rotary bending tester is test metal material fatigue strength and a kind of checkout equipment of fatigue lifetime, domestic this type of test is at present mainly hydraulic servo and the large main flow type of mechanical type two, and design concept manufactures and designs according to single-point reinforcing, two point reinforcing and 4 afterburning test principles.It is small and exquisite and to not high of sample accuracy requirement that single-point fatigue tester afterburning and two point reinforcing has build, but be subject to the restriction of the factors such as type restriction and counterweight loading because of it, cause this kind equipment only can meet the testing requirements of lightweight material, and exist the lower unfavorable present situation that cannot be widely used in again popular material tests of test figure exact value; And traditional 4 add power fatigue tester, the designs that adopt single-frequency output dead weight type safe to load more, therefore there is the restriction of the factors such as requirement on machining accuracy is too high and process is loaded down with trivial details, counterweight heap(ed) capacity is large, cause production cost high, be unfavorable for marketing.
Summary of the invention
The object of this invention is to provide the rotary bending tester of a kind of lever and frequency conversion control.
The object of the present invention is achieved like this: it includes the support of bottom and the fuselage that support top arranges, and its cabinet is characterized as the casing of horizontal framed structure.Fuselage right side arranges electrical equipment manipulation button sum counter, in body upper symmetric position, two cover left support abutment and right support abutments are set, left and right bearing top is provided with left beam barrel assembly and right beam barrel assembly, the right beam barrel assembly other end is connected with motor by motor connecting link, motor front end arranges connecting sleeve below magnetic force induction device is set, and magnetic force induction device is connected with counter; Left and right beam barrel assembly both sides arrange clip assembly, and clip assembly is connected with web joint, and web joint is connected with threaded mandrel by register pin, and threaded mandrel is provided with passive conical gear, and passive conical gear is connected with a joggle with the driving bevel gear being arranged on handwheel; Threaded mandrel lower end be connected with lever by suspension ring, lever is connected with fuselage lower surface by lever holder, the right-hand member of lever arranges suspension ring, suspension ring are connected with counterweight connecting rod, counterweight connecting rod is provided with counterweight; The left end of lever arranges leveling thallium.
Further, described testing machine is horizontal type structure.
Further, described testing machine is lever torque structure.
Further, in the cabinet of described testing machine, be provided with electric control system.
Further, the motor of described testing machine is variable-frequency motor, and output speed is that 900r/min is to 10000r/min.
Further, in described testing machine, left support abutment and right support abutment and fuselage are Split type structure.
Further, in described testing machine, in left beam barrel assembly and right beam barrel assembly, be provided with detachable sample holding device.
Further, the loading and unloading body of testing moment in described testing machine is spiral gear engaged transmission mode.
Further, in described testing machine, magnetic force induction device is inductive proximity sensor.
The present invention has the following advantages.
1, testing machine is frequency conversion output, and output speed 900r/min is to 10000r/min, wide accommodation.
2, left and right pillar and fuselage are split-type structural, are convenient to processing and install.
3, adopt lever-type structure, reduce counterweight gross mass.
4, adopt the design of spiral gear loading and unloading body, add and unload carried convenient, laborsaving.
Brief description of the drawings
Fig. 1 is structural front view of the present invention.
Fig. 2 is structure left view of the present invention.
Reference numeral explanation.
In Fig. 1: 1-support, 2-fuselage, 3-left support abutment, the left beam barrel assembly of 4-, 5-clip, 6-sample, 7-web joint, 8-clip assembly, the right beam barrel assembly of 9-, guard's valve is touched in 10-fracture, 11-right support abutment, 12-motor connecting link, 13-connecting sleeve, 14-magnetic force induction device, 15-motor, 16-counter, 17-manipulates button, 18-suspension ring, 19-lever, 20-suspension ring, 21-counterweight connecting rod, 22-lever holder, 23-leveling thallium, 24-counterweight.
In Fig. 2: 25-register pin, 26-threaded mandrel, 27-add unloading handwheel, 28-driving bevel gear, the passive conical gear of 29-, 30-power switch.
The present invention is described in further details by example below in conjunction with accompanying drawing.But following example is only preferred embodiments of the present invention; do not represent the rights protection scope that the present invention limits; all any amendments of making within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Embodiment
As Fig. 1, testing machine is horizontal type structure, and bottom is support 1, and support described herein is the frame body being made up of four root posts, and support 1 top is provided with fuselage 2, and the left end of fuselage 2 upper surfaces is installed two cover left support abutments 3 side by side.The right side horizontal level of left support abutment 3 is installed two cover right support abutments 11, left support abutment 3 tops arrange left beam barrel assembly 4, left beam barrel assembly 4 is connected with the right beam barrel assembly 9 that the top of right support abutment 11 arranges by clamping style 6, the right-hand member of right beam barrel assembly 9 connects motor connecting link 12, and motor connecting link 12 is connected with motor 15 by connecting sleeve 13.
Left beam barrel assembly 4 right-hand members are installed clip assembly 5, the left end of right beam barrel assembly 9 is installed clip assembly 8, the lower end of clip assembly 5 and clip assembly 8 is connected with the two ends of web joint 7 respectively, the centre of web joint 7 is connected with threaded mandrel 26 (Fig. 2) by register pin 25 (Fig. 2), threaded mandrel 26 outer rings are the inner ring screw-threaded engagement (Fig. 2) of thread bush and passive conical gear 29, the spiral gear of passive conical gear 29 and driving bevel gear 28 (Fig. 2) are connected with a joggle, driving bevel gear 28 with add unloading handwheel 27 (Fig. 2) and be connected.Rotation adds unloading handwheel 27, drives driving bevel gear 28 and passive conical gear 29 synchronously to rotate, and realizes the loading and unloading of moment with this.Threaded mandrel 26 lower ends are connected with lever 19 by suspension ring 18, the lever holder 22 that the left end of lever 19 and fuselage 2 belows arrange is connected and is provided with leveling thallium 23, the right-hand member of lever 19 is according to lever ratio setting suspension ring 20, and suspension ring 20 lower ends are connected with counterweight 24 by counterweight connecting rod 21.
Fuselage 2 right-hand members arrange counter 16, described counter is 8 programmable counters, counter 16 touches guard's valve 10 with the fracture that is arranged on right beam barrel assembly 9 belows respectively and is connected with the magnetic force induction device 14 that is arranged on connecting sleeve 13 belows, counter 16 belows arrange manipulation button 17, can realize startup, stop, the function such as reset, speed governing and test figure setting.
Concrete operation step
Start power switch 30, add unloading handwheel 27 in unloading position, integral device is in holding state, take out the sample 6 of respective material by testing requirements, the two ends of sample 6 are arranged on respectively in the clamper of left beam barrel assembly 4 and right beam barrel assembly 9, now check that style 6 and connecting link 12 should be in same plane positions.
Check that lever 19 is not in the time loading counterweight, under the support of suspension ring 18, should, in horizontality, if be offset, adjust leveling thallium 23 positions lever 19 is adjusted to horizontal level.After inspection, choose corresponding counterweight 24 according to testing requirements and be installed on counterweight connecting rod 21 places, give style 6 and apply moment.
Add unloading handwheel 27 to right rotation, make it drive driving bevel gear 28 to rotate, driving bevel gear 28 drives passive conical gear 29 to rotate, passive conical gear 29 drives threaded mandrel 26 to do motion vertically downward by internal thread, threaded mandrel 26 drives register pin 25 to move down, and fully contacts in link rod plate 7.The downward moment that the clip assembly 5 and 8 that now style 6 is subject to being installed by web joint 7 two ends brings, realizes the loading of moment thus.
After moment has loaded, press manipulation button 17, set after motor output speed and test parameters, press start button, test formally starts.Magnetic force induction device 14 does to approach with the connecting sleeve 12 of motor 15 front ends and is connected, the number of revolutions of motor 15 is presented on counter 16 in the mode of data, in the time that number of revolutions reaches setting value or sample 6 and ruptures, motor 15 quits work, the numerical value that counter 16 shows is that final test bit is (when after sample 6 fractures in test, owing to losing support, the front end of left beam barrel assembly 4 and right beam barrel assembly 9 is downward-sloping, the front end of right beam barrel assembly 9 is pressed onto fracture and touches guard's valve 10, the tactile guard's valve 10 of fracture disconnects the power supply of motor 15, causes test to stop).
When after off-test, add unloading handwheel 27 to anticlockwise, drive threaded mandrel 26 to do motion vertically upward, drive register pin 25 to move up and depart from link rod plate 7, realize the unloading of moment.Press again the reset key in manipulation button 17, restart test, also can, according to a upper test figure, can carry out sample cycle test or sample comparison test.
Claims (9)
1. a rotary bending tester, is characterized in that: it includes the support of bottom and the fuselage that support top arranges, and its cabinet is characterized as the casing of horizontal framed structure; Fuselage right side arranges electrical equipment manipulation button sum counter, in body upper symmetric position, two cover left support abutment and right support abutments are set, left and right bearing top is provided with left beam barrel assembly and right beam barrel assembly, the right beam barrel assembly other end is connected with motor by motor connecting link, motor front end arranges connecting sleeve, cutting ferrule below arranges magnetic force induction device, and magnetic force induction device is connected with counter; Left and right beam barrel assembly both sides arrange clip assembly, and clip assembly is connected with web joint, and web joint is connected with threaded mandrel by register pin, and threaded mandrel is provided with passive conical gear, and passive conical gear is connected with a joggle with the driving bevel gear being arranged on handwheel; Threaded mandrel lower end be connected with lever by suspension ring, lever is connected with fuselage lower surface by lever holder, the right-hand member of lever arranges suspension ring, suspension ring are connected with counterweight connecting rod, counterweight connecting rod is provided with counterweight; The left end of lever arranges leveling thallium.
2. a kind of rotary bending tester according to claim 1, is characterized in that: described testing machine is horizontal type structure.
3. a kind of rotary bending tester according to claim 1, is characterized in that: described testing machine is lever moment structure.
4. a kind of rotary bending tester according to claim 1, is characterized in that: in the cabinet of described testing machine, be provided with electric control system.
5. a kind of rotary bending tester according to claim 1, is characterized in that: the motor of described testing machine is variable-frequency motor, and output speed is that 900r/min is to 10000r/min.
6. a kind of rotary bending tester according to claim 1, is characterized in that: in described testing machine, left support abutment and right support abutment and fuselage are Split type structure.
7. a kind of rotary bending tester according to claim 1, is characterized in that: in described testing machine, in left beam barrel assembly and right beam barrel assembly, be provided with detachable sample holding device.
8. a kind of rotary bending tester according to claim 1, is characterized in that: the loading and unloading body of testing moment in described testing machine is spiral gear engaged transmission mode.
9. a kind of rotary bending tester according to claim 1, is characterized in that: in described testing machine, magnetic force induction device is inductive proximity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037072.9U CN203785977U (en) | 2014-01-22 | 2014-01-22 | Rotating bending fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037072.9U CN203785977U (en) | 2014-01-22 | 2014-01-22 | Rotating bending fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785977U true CN203785977U (en) | 2014-08-20 |
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ID=51322154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037072.9U Expired - Fee Related CN203785977U (en) | 2014-01-22 | 2014-01-22 | Rotating bending fatigue tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712868A (en) * | 2014-01-22 | 2014-04-09 | 宁夏青山试验机有限公司 | Rotating bending fatigue testing machine |
| CN111053479A (en) * | 2018-10-17 | 2020-04-24 | 主力智业（深圳）电器实业有限公司 | Handheld stirrer and control method thereof |
| CN112964582A (en) * | 2021-02-01 | 2021-06-15 | 南京航力机电设备有限公司 | Fatigue testing machine for metal corrugated pipe |
-
2014
- 2014-01-22 CN CN201420037072.9U patent/CN203785977U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712868A (en) * | 2014-01-22 | 2014-04-09 | 宁夏青山试验机有限公司 | Rotating bending fatigue testing machine |
| CN111053479A (en) * | 2018-10-17 | 2020-04-24 | 主力智业（深圳）电器实业有限公司 | Handheld stirrer and control method thereof |
| CN112964582A (en) * | 2021-02-01 | 2021-06-15 | 南京航力机电设备有限公司 | Fatigue testing machine for metal corrugated pipe |
| CN112964582B (en) * | 2021-02-01 | 2022-07-15 | 南京航力机电设备有限公司 | Fatigue testing machine for metal corrugated pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170122 |