CN204302110U - A kind of lever creep testing machine - Google Patents
A kind of lever creep testing machine Download PDFInfo
- Publication number
- CN204302110U CN204302110U CN201420837290.0U CN201420837290U CN204302110U CN 204302110 U CN204302110 U CN 204302110U CN 201420837290 U CN201420837290 U CN 201420837290U CN 204302110 U CN204302110 U CN 204302110U
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- lever
- testing machine
- lever arm
- creep testing
- sensing mechanism
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Abstract
The utility model relates to checkout equipment technical field, disclose a kind of lever creep testing machine, this creep testing machine in use, sample is installed in clamp mechanism, then adjustment is required according to the constant stress of test, when after a period of time, sample generation creep, lever arm disequilibrium, after described sensing mechanism senses STRESS VARIATION, start described drive unit and height adjustment is carried out to clamp mechanism, until described lever arm restores balance, in sum, this creep testing machine has the mechanism of automatic adjustment (adjusting) lever balance, thus improve the accuracy of test data, and can ensure to test the creep of sample for a long time, be specially adapted to long-time continual sample creep testing requirement.
Description
Technical field
The utility model relates to checkout equipment technical field, particularly relates to a kind of lever creep testing machine.
Background technology
Creep and stress rupture test machine, it is mainly used in metal, the stretching of nonmetallic materials, compression is lasting, creep, relaxation test and low-cycle fatigue and creep fatigue test, mechanical type is divided by structure and principle, electronic type two kinds, because the temperature drift of electronic tesing machine dynamometric system and calibration value drift thoroughly to eliminate, so often long creep test can not be carried out, and the creep testing machine of existing machinery formula its also have adopt lever-type structure, but, this lever-type structure generally comprises supporting seat and is articulated with the lever on supporting seat, one end of described lever is connected with counterweight, the other end of described lever connects sample by fixture, its fixture is stationary state after connecting sample, when testing, when sample generation creep, its lever will disequilibrium, and fixture is fixed on board, fixture cannot regulate according to the creep compliance of material, thus cause lever unbalance, when testing further, the data accuracy of its test is lower.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of lever creep testing machine is provided, this creep testing machine has the mechanism of automatic adjustment (adjusting) lever balance, thus improves the accuracy of test data, and can ensure to test the creep of sample for a long time.
For achieving the above object, a kind of lever creep testing machine of the present utility model, comprise platform body, described platform body is equiped with supporting seat, described supporting seat is hinged with lever arm, the front end of described lever arm is connected with the counterweight seat for loading counterweight, the fine setting counterweight be slidably connected with described lever arm is provided with between described counterweight seat and supporting seat, the rear end of described lever arm is hinged with sensing mechanism, described sensing mechanism is connected with the clamp mechanism for gripping sample, also comprise the drive unit for driving described clamp mechanism to move up and down, and respectively with described sensing mechanism, the control device that drive unit is electrically connected.
Preferably, described sensing mechanism comprises the support column hinged with described lever arm, and the lower end of described support column is connected with force snesor.
Preferably, the upper fixture that described clamp mechanism comprises lower clamp and is connected with described sensing mechanism, described upper fixture, lower clamp include grip slipper, be installed in the useful fixed block in clamping sample and movable block in described grip slipper, described grip slipper is also provided with the adjusting bolt for regulating described movable block.
Preferably, described platform body is provided with slide rail, and described lower clamp is provided with the slide be slidably connected with described slide rail.
Preferably, the elevating screw that described drive unit comprises holder and is flexibly connected with described clamp mechanism, described holder is provided with servo motor, described servo motor is connected with driving wheel, described elevating screw is connected with driven pulley, and described driving wheel is in transmission connection by driving belt and described driven pulley.
Preferably, the rear end of described lever arm is also provided with balancing weight.
Preferably, described platform body is provided with test cabinet, and described sensing mechanism and clamp mechanism are all arranged in test cabinet.
Preferably, described control device is PCBA control panel, and described PCBA control panel is connected with described sensing mechanism and the drive unit signal of telecommunication respectively.
The beneficial effects of the utility model: a kind of lever creep testing machine of the present utility model, comprise platform body, described platform body is equiped with supporting seat, described supporting seat is hinged with lever arm, the front end of described lever arm is connected with the counterweight seat for loading counterweight, the fine setting counterweight be slidably connected with described lever arm is provided with between described counterweight seat and supporting seat, the rear end of described lever arm is hinged with sensing mechanism, described sensing mechanism is connected with the clamp mechanism for gripping sample, also comprise the drive unit for driving described clamp mechanism to move up and down, and respectively with described sensing mechanism, the control device that drive unit is electrically connected.This creep testing machine in use, sample is installed in clamp mechanism, then adjustment (adjusting) lever arm balance is required according to the constant stress of test, when after a period of time, sample generation creep, lever arm disequilibrium, after described sensing mechanism senses STRESS VARIATION, start described drive unit and height adjustment is carried out to clamp mechanism, until described lever arm restores balance, in sum, this creep testing machine has the mechanism of automatic adjustment (adjusting) lever balance, thus improve the accuracy of test data, and can ensure to test the creep of sample for a long time, be specially adapted to long-time continual sample creep testing requirement.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the combination assumption diagram of lever arm of the present utility model and sensing mechanism, clamp mechanism and driving mechanism.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the decomposition texture schematic diagram of clamp mechanism.
Reference numeral comprises: platform body--and 1, supporting seat--11, slide rail--12, balancing weight--13, test cabinet--14, lever arm--2, counterweight seat--21, fine setting counterweight--22, sensing mechanism--3, support column--31, force snesor--32, clamp mechanism--4, upper fixture--41, grip slipper--411, fixed block--412, movable block--413, adjusting bolt--414, lower clamp--42, slide--43, drive unit--5, holder--51, elevating screw--52, servo motor--53, driving wheel--54, driven pulley--55, control device--6, upper level sensor--71, lower level sensor--72, sensor block--73.
Detailed description of the invention
Be described in detail below in conjunction with accompanying drawing the utility model.
See Fig. 1 to Fig. 4, a kind of lever creep testing machine, comprise platform body 1, described platform body 1 is equiped with supporting seat 11, described supporting seat 11 is hinged with lever arm 2, the front end of described lever arm 2 is connected with the counterweight seat 21 for loading counterweight, the fine setting counterweight 22 be slidably connected with described lever arm 2 is provided with between described counterweight seat 21 and supporting seat 11, the rear end of described lever arm 2 is hinged with sensing mechanism 3, described sensing mechanism 3 is connected with the clamp mechanism 4 for gripping sample, also comprise the drive unit 5 for driving described clamp mechanism 4 to move up and down, and respectively with described sensing mechanism 3, the control device 6 that drive unit 5 is electrically connected.This creep testing machine in use, sample is installed in clamp mechanism 4, then according to the constant stress requirement of test, corresponding counterweight is loaded on described counterweight seat 21, make the other end of described lever arm 2 reach corresponding constant stress and require that adjustment (adjusting) lever arm 2 balances, when after the test regular hour, under the effect of constant stress, sample generation creep, lever arm 2 disequilibrium, at this moment, corresponding constant stress also changes, after described sensing mechanism 3 senses constant stress change, start described drive unit 5 pairs of clamp mechanisms 4 and carry out height adjustment, until described lever arm 2 restores balance, thus realize continuing to test the creep of sample, in sum, this creep testing machine has the mechanism of automatic adjustment (adjusting) lever balance, thus improve the accuracy of test data, and can ensure to test the creep of sample for a long time, be specially adapted to long-time continual sample creep testing requirement.
Simultaneously, in order to improve the induction of signal accuracy of this creep testing machine further, one end that described lever arm 2 is connected with sensing mechanism 3 is provided with sensor block 73, described board this TV station is provided with upper level sensor 71 and lower level sensor 72, during proper testing, described sensor block 73 is between described upper level sensor 71 and lower companion's sensor, when lever arm 2 disequilibrium, described sensor block 73 is upturned, its sensor block 73 is connected with upper level sensor 71, feed back the signal be upturned, in like manner, when sensor block 73 is to tenesmus, its sensor block 73 is connected with lower level sensor 72, the signal that feedback tilts downwards, further, control device 6 is according to different transducing signals, carry out the control of drive unit 5.
In the technical program, described sensing mechanism 3 comprises the support column 31 hinged with described lever arm 2, and the lower end of described support column 31 is connected with force snesor 32.When sample generation creep, lever arm 2 disequilibrium, at this moment, after force snesor 32 senses the change of corresponding constant stress, send signal to control device 6, control device 6 sends instruction more further and carries out corresponding position adjustments to drive unit 5.
In the technical program, the upper fixture 41 that described clamp mechanism 4 comprises lower clamp 42 and is connected with described sensing mechanism 3, described upper fixture 41, lower clamp 42 include grip slipper 411, be installed in the useful fixed block 412 in clamping sample and movable block 413 in described grip slipper 411, described grip slipper 411 is also provided with the adjusting bolt 414 for regulating described movable block 413.During test, sample is put between upper fixture 41 and lower clamp 42, then rotates described adjusting bolt 414 respectively, sample is fixed between upper fixture 41 and lower clamp 42.
In order to make described clamp mechanism 4 when moving up and down, its structure is more reliable and more stable, and described platform body 1 is provided with slide rail 12, and described lower clamp 42 is provided with the slide 43 be slidably connected with described slide rail 12.Like this, when described drive unit 5 drives lower clamp 42, lower clamp 42 utilizes slide 43 to move along slide rail 12, and described slide rail 12 improves the precision and reliability that move up and down.
In the technical program, the elevating screw 52 that described drive unit 5 comprises holder 51 and is flexibly connected with described clamp mechanism 4, described holder 51 is provided with servo motor 53, described servo motor 53 is connected with driving wheel 54, described elevating screw 52 is connected with driven pulley 55, and described driving wheel 54 is in transmission connection by driving belt and described driven pulley 55.The operation principle of described drive unit 5 is: when control device 6 sends signal to servo motor 53, servo motor 53 drives described driven pulley 55, described driven pulley 55 rotates, thus make described elevating screw 52 rise or decline, specifically, when sample generation creep, lever arm 2 disequilibrium, at this moment, servo motor 53 drives elevating screw 52 to decline, thus is restored balance by lever arm 2.
Meanwhile, in order to make the two ends of lever arm 2 form certain load proportioning, the position that described supporting seat 11 is arranged is close to the rearward end of lever arm 2, and the rear end of described lever arm 2 is also provided with balancing weight 13.In this programme, the two ends, left and right utilizing balancing weight 13 to realize lever arm 2 keep balance, like this, its two ends, left and right can realize different load proportionings, such as when counterweight seat 21 loads the counterweight of 1KG, the rear end of its lever arm 2 can realize the load of 10KG, and this programme has larger load proportioning, under the effect of balancing weight 13, the accounting of its test data is convenient.
Because some sample needs to carry out under certain circumstances, such as, the temperature, humidity etc. of test, in the technical program, described platform body 1 is provided with test cabinet 14, and described sensing mechanism 3 and clamp mechanism 4 are all arranged in test cabinet 14; Described test cabinet 14 can loading temperature constant system, moisture constant etc., thus meets the test request of various sample.
In the technical program, described control device 6 is PCBA control panel, and described PCBA control panel is connected with described sensing mechanism 3 and drive unit 5 signal of telecommunication respectively.When needs start drive unit 5, described PCBA control panel receives the signal of sensing mechanism 3, then makes servo motor 53 carry out corresponding forward or reverse according to the signal received, thus drives the up of elevating screw 52 or decline, improve automatic business processing ability, it is convenient, accurate to test.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a lever creep testing machine, comprise platform body (1), described platform body (1) is equiped with supporting seat (11), it is characterized in that: described supporting seat (11) is hinged with lever arm (2), the front end of described lever arm (2) is connected with the counterweight seat (21) for loading counterweight, the fine setting counterweight (22) be slidably connected with described lever arm (2) is provided with between described counterweight seat (21) and supporting seat (11), the rear end end of described lever arm (2) is hinged with sensing mechanism (3), described sensing mechanism (3) is connected with the clamp mechanism (4) for gripping sample, also comprise the drive unit (5) for driving described clamp mechanism (4) to move up and down, and respectively with described sensing mechanism (3), the control device (6) that drive unit (5) is electrically connected.
2. a kind of lever creep testing machine according to claim 1, is characterized in that: described sensing mechanism (3) comprises the support column (31) hinged with described lever arm (2), and the lower end of described support column (31) is connected with force snesor (32).
3. a kind of lever creep testing machine according to claim 1, it is characterized in that: the upper fixture (41) that described clamp mechanism (4) comprises lower clamp (42) and is connected with described sensing mechanism (3), described upper fixture (41), lower clamp (42) include grip slipper (411), be installed in the useful fixed block (412) in clamping sample and movable block (413) in described grip slipper (411), described grip slipper (411) is also provided with the adjusting bolt (414) for regulating described movable block (413).
4. a kind of lever creep testing machine according to claim 3, is characterized in that: described platform body (1) is provided with slide rail (12), described lower clamp (42) is provided with the slide (43) be slidably connected with described slide rail (12).
5. a kind of lever creep testing machine according to claim 1, it is characterized in that: the elevating screw (52) that described drive unit (5) comprises holder (51) and is flexibly connected with described clamp mechanism (4), described holder (51) is provided with servo motor (53), described servo motor (53) is connected with driving wheel (54), described elevating screw (52) is connected with driven pulley (55), and described driving wheel (54) is in transmission connection by driving belt and described driven pulley (55).
6. a kind of lever creep testing machine according to claim 1, is characterized in that: the rear end of described lever arm (2) is also provided with balancing weight (13).
7. a kind of lever creep testing machine according to claim 1, is characterized in that: described platform body (1) is provided with test cabinet (14), described sensing mechanism (3) and clamp mechanism (4) are all arranged in test cabinet (14).
8., according to the arbitrary described a kind of lever creep testing machine of claim 1-7, it is characterized in that: described control device (6) is PCBA control panel, and described PCBA control panel is connected with described sensing mechanism (3) and drive unit (5) signal of telecommunication respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837290.0U CN204302110U (en) | 2014-12-25 | 2014-12-25 | A kind of lever creep testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837290.0U CN204302110U (en) | 2014-12-25 | 2014-12-25 | A kind of lever creep testing machine |
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| CN204302110U true CN204302110U (en) | 2015-04-29 |
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| CN201420837290.0U Expired - Fee Related CN204302110U (en) | 2014-12-25 | 2014-12-25 | A kind of lever creep testing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706274A (en) * | 2016-12-22 | 2017-05-24 | 莱茵技术（上海）有限公司 | Device and method used for optical fiber splice tensile force testing |
| CN108072567A (en) * | 2017-12-08 | 2018-05-25 | 广州特种承压设备检测研究院 | A kind of plastics constant temperature stress etching experiment device and method |
| CN108106939A (en) * | 2017-12-22 | 2018-06-01 | 中原工学院 | A kind of gravity compensation formula anchoring body creep effect pilot system based on lever principle |
| CN109187223A (en) * | 2018-11-21 | 2019-01-11 | 石家庄铁道大学 | Test the testing equipment and test method of Creep of Geosynthetics performance |
| CN109211684A (en) * | 2018-10-10 | 2019-01-15 | 吉林大学 | A kind of mechanical high-temerature creep testing machine of achievable automatic and accurate load |
| CN113865977A (en) * | 2021-11-15 | 2021-12-31 | 湖北华夏水利水电股份有限公司 | Multi-environment simulation compressive strength test device and method for muck roadbed material |
| CN114088530A (en) * | 2021-11-25 | 2022-02-25 | 中国兵器工业第五九研究所 | Natural environment-stress cooperative test device |
-
2014
- 2014-12-25 CN CN201420837290.0U patent/CN204302110U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706274A (en) * | 2016-12-22 | 2017-05-24 | 莱茵技术（上海）有限公司 | Device and method used for optical fiber splice tensile force testing |
| CN108072567A (en) * | 2017-12-08 | 2018-05-25 | 广州特种承压设备检测研究院 | A kind of plastics constant temperature stress etching experiment device and method |
| CN108106939A (en) * | 2017-12-22 | 2018-06-01 | 中原工学院 | A kind of gravity compensation formula anchoring body creep effect pilot system based on lever principle |
| CN108106939B (en) * | 2017-12-22 | 2020-10-20 | 中原工学院 | Gravity compensation type anchoring body creep effect test system based on lever principle |
| CN109211684A (en) * | 2018-10-10 | 2019-01-15 | 吉林大学 | A kind of mechanical high-temerature creep testing machine of achievable automatic and accurate load |
| CN109187223A (en) * | 2018-11-21 | 2019-01-11 | 石家庄铁道大学 | Test the testing equipment and test method of Creep of Geosynthetics performance |
| CN113865977A (en) * | 2021-11-15 | 2021-12-31 | 湖北华夏水利水电股份有限公司 | Multi-environment simulation compressive strength test device and method for muck roadbed material |
| CN114088530A (en) * | 2021-11-25 | 2022-02-25 | 中国兵器工业第五九研究所 | Natural environment-stress cooperative test device |
| CN114088530B (en) * | 2021-11-25 | 2022-05-20 | 中国兵器工业第五九研究所 | Natural environment-stress cooperative test device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20171225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |