CN103245564A - Chain tensile parameter testing device - Google Patents
Chain tensile parameter testing device Download PDFInfo
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- CN103245564A CN103245564A CN2013101948882A CN201310194888A CN103245564A CN 103245564 A CN103245564 A CN 103245564A CN 2013101948882 A CN2013101948882 A CN 2013101948882A CN 201310194888 A CN201310194888 A CN 201310194888A CN 103245564 A CN103245564 A CN 103245564A
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Abstract
The invention discloses a chain tensile parameter testing device. The chain tensile parameter testing device comprises a worktable, and further comprises a fixing seat, an adapter, a tension meter, a dial indicator and an actuating device, wherein the actuating device is used for stretching a tested chain, and the adapter is used for guaranteeing that the height of the tested chain and an action force of the actuating device are on the same horizontal plane. The chain tensile parameter testing device disclosed by the invention is simple in structure, low in cost, convenient to operate and capable of fast testing chain tensile parameters for a plurality of times.
Description
Technical field
The present invention relates to mechanical test equipment, be used in particular for testing the proving installation of chain tension parameter.
Background technology
Sprocket wheel, chain drive are structures common in the mechanical industry, the drawing coefficient of chain determines the quality of chain, the chain that stretches is difficult for using easily, the pitch that should be sprocket wheel is immutable, when chain stretching back pitch changes, sprocket wheel and chain be match preferably just, can cause a lot of mechanical problems, so we must understand the drawing coefficient of chain when using the sprocket wheel chain, this is the key of quality control.
The chain pull-button experimental machine of publication number 202403913U for example, disclose and comprised that frame, button change stepper motor and stretching stepper motor, described button changes stepper motor and the stretching stepper motor is separately fixed on the both ends, the left and right sides of described frame, the output shaft that described button changes stepper motor is connected with left anchor clamps, the output shaft of described stretching stepper motor is connected with the nut frame through screw mandrel, this nut frame is connected with right anchor clamps by force cell, and these right side anchor clamps and described left anchor clamps are over against setting; In described frame the back springing type displacement transducer is installed, this back springing type displacement transducer one end is against on the described frame, and the other end is against on the described nut frame.Determine the tension coefficient of chain by the stretching at two.But this structure needs a lot of stepper motor equipment, cause cost very big, and the Stepping Motor Control precision is not high.
Summary of the invention
Purpose of the present invention is to solve the problems of the technologies described above, and provides a kind of simple in structure, easy to use, the proving installation that cost is low.
Technical solution of the present invention is: a kind of chain tension parameter test device comprises worktable, also comprises holder, adapter, tautness meter, dial gauge and acting device; The described acting device tested chain that be used for to stretch, described adapter guarantee that the acting force of the height of tested chain and acting device is on same surface level.
Fixing chain one end; the other end of direct stretching chain; start acting device then, observe reading on the tautness meter, wait until that tested chain is straightened; stop behind the hydraulic pressure afterburner system dial gauge being transferred to zero-bit; and then the primer fluid pressing system, pulling force is increased to 100% back auto stop pressurize, again after keeping a period of time under the automatic holding pressure control pattern; read dial gauge displacement S, S/L (chain length overall) * 100%=chain extensibility.
As preferably, described acting device comprises the shell that is fixed on the worktable, and movably guide frame is set in the shell, and the locating piece that is fixedly connected on the worktable is arranged in the guide frame, the fixedly connected hydraulic cylinder of locating piece, the piston rod of hydraulic cylinder drive guide frame toward a direction motion.The other end of locating piece connects spring, and spring is connected and fixed part, and fixture connects guide frame.
As preferably, described spring is arranged in the cylinder.Spring is used for automatically reseting of guide frame.
As further preferred, described hydraulic cylinder connects control device.For mechanization production, the control Hydraulic Power Transmission System that control device can be stable guarantees the stable of hydraulic pressure output, and can robotization working procedure is set.
As further preferred, described adapter is H shape contiguous block, and the end that described contiguous block is used for fixing tested chain offers pilot hole, passes body of bolt in the pilot hole, and body of bolt is fixed on the pilot hole by nut; The other end of contiguous block connects substrate, is arranged at below the tautness meter in the substrate.Like this can be according to the length of chain, body of bolt passes chain and pilot hole, fixes the position at the two ends of body of bolt with nut, by the adjusting of nut, can select different fixed positions.
As preferably, described dial gauge is connected microcomputer with tautness meter, and described microcomputer can be analyzed the repeatedly test result under the different pulling force effects, calculates its mean value.So just need not all to record the result of test at every turn.Just can repeatedly test by full-automatic carrying out by microcomputer, and calculate its mean value.
Beneficial effect of the present invention is: 1, the present invention is simple in structure, and cost is low; 2, easy to operate, can repeatedly test chain tension parameter fast.
Description of drawings
Fig. 1 is embodiment of the invention structural representation;
Fig. 2 is the structural representation of acting device;
Fig. 3 is the structural representation of adapter.
Among the figure: 1-worktable, the tested chain of 11-, 2-holder, 3-adapter, the 31-contiguous block, 32-pilot hole, 33 body of bolt, 34-nut, the 4-tautness meter, 41-microcomputer, 42-dial gauge, 43-substrate, the 5-acting device, 51-guide frame, 52-hydraulic cylinder, 53-cylinder, the 54-fixture, 55-piston rod, 56-spring, 57-fixed orifice, the 58-locating piece, 59-shell, 6-control device.
Embodiment
The invention will be further described with embodiment below in conjunction with accompanying drawing.
Embodiment 1, as Figure 1-3, a kind of chain tension parameter test device, comprised worktable 1, fixedly welded holder 2 on the worktable 1, an end of holder 2 fixedly connected tested chains 11, the other end of tested chain 11 connects adapter 3, adapter 3 connects substrate 43, fixedly connected tautness meter 4 in the substrate 43, and substrate 43 is connected with acting device 5.It is elongated that acting device 5 stretches tested chain 11 for an acting force, and by the variation of tautness meter 4 demonstration pulling force, dial gauge 42 comes the movement of test adaptor position, calculates the drawing coefficient of tested chain 11.Acting device 5 is connected with control device 6, and the control Hydraulic Power Transmission System that control device 6 can be stable guarantees the stable of hydraulic pressure output, and the program that sets of operation that can robotization, avoids the error of bringing because of manual operation.Tautness meter 4 is connected microcomputer 41 with dial gauge 42 by electric wire, and microcomputer 41 can be analyzed repeatedly test result, calculates its mean value.
As shown in Figure 2, acting device 5 comprises the shell 59 that is fixed on the worktable 1, movably guide frame 51 is set in the shell 59, the locating piece 58 that is fixedly connected on the worktable 1 is arranged in the guide frame 51, locating piece 58 fixedly connected hydraulic cylinders 52, the piston rod 55 of hydraulic cylinder 52 withstands guide frame 51, does not link together between the two.The other end of locating piece 58 connects spring 56, and spring 56 is connected and fixed part 54, and fixture 54 connects guide frame 51.Fixture 54 can be connected with guide frame 51 one.The characteristics of hydraulic cylinder 52 are stable working, do not have what drive gap.Hydraulic cylinder 52 provides an ejecting force, but the piston rod 55 of hydraulic cylinder 52 does not directly connect guide frame 51, just to 51 1 ejecting forces of guide frame, but does not provide restoring force.The effect of spring 56 is to 51 1 restoring forces of guide frame.This restoring force is more slowly.After tested like this chain is stretched, also can reply slowly.Spring 56 is arranged in the cylinder 53, and the force direction of cylinder 53 assurance springs 56 and the force direction of hydraulic cylinder 52 guarantee the stretching precision on same axis.
As shown in Figure 3, adapter 3 is the contiguous block 31 of H shape, and the end that described contiguous block 31 is used for fixing tested chain 11 offers pilot hole 32, passes body of bolt 33 in the pilot hole 32, and body of bolt 33 is fixed on the pilot hole 32 by nut 34; The other end of contiguous block 31 connects substrate 43, can directly connect substrate 43, also can connect by a connecting link, and substrate 43 is arranged at below the tautness meter 4.By the adjusting of nut 34, can select different fixed positions according to the length of tested chain.Substrate 43 remains on sustained height with contiguous block 31, and particularly the height of the acting force of hydraulic cylinder 52 and tested contiguous block 31 guarantees on same surface level.
Working method: at first in control device 6, configure the specified pulling force and the pretension that need, this pretension is greatly about the 50%-80% of specified pulling force, then tested chain 11 is fixed between holder 2 and the adapter 3, allow acting device give tested chain 11 1 pretensions, allow tested chain 11 keep tight state.The raw footage of the good tested chain of record.Simultaneously dial gauge 42 is made zero, start acting device 5, acting device 5 can provide specified pulling force according to the program that configures in the control device 6, after reaching requirement numerical value, stop to continue pressurization, the displacement (S) that provides specified pulling force a period of time, microcomputer can read dial gauge 42, S/L (chain length overall) * 100%=chain extensibility automatically are provided.Primer fluid cylinder pressure, the reading when chain ruptures on the tautness meter 4 are the tension limiting force of this chain.
Claims (6)
1. a chain tension parameter test device comprises worktable (1), it is characterized in that: also comprise holder (2), adapter (3), tautness meter (4), dial gauge (42) and acting device (5); Described acting device (5) the tested chain (11) that be used for to stretch, described adapter (3) guarantee that the acting force of the height of tested chain (11) and acting device (5) is on same surface level.
2. by the described a kind of chain tension parameter test device of claim 1, it is characterized in that: described acting device (5) comprises the shell (59) that is fixed on the worktable (1), movably guide frame (51) is set in the shell (59), the locating piece (58) that is fixedly connected on the worktable (1) is arranged in the guide frame (51), the fixedly connected hydraulic cylinder of locating piece (58) (52), the piston rod (55) of hydraulic cylinder (52) drives guide frame (51) toward a direction motion, the other end of locating piece (58) connects spring (56), spring (56) is connected and fixed part (54), and fixture (54) connects guide frame (51).
3. by the described a kind of chain tension parameter test device of claim 2, it is characterized in that: described spring (56) is arranged in the cylinder (53).
4. by the described a kind of chain tension parameter test device of claim 3, it is characterized in that: described hydraulic cylinder (52) connects control device (6).
5. by claim 1 or 4 described a kind of chain tension parameter test devices, it is characterized in that: described adapter (3) is H shape contiguous block (31), the end that described contiguous block (31) is used for fixing tested chain (11) offers pilot hole (32), pass body of bolt (33) in the pilot hole (32), body of bolt (33) is fixed on the pilot hole (32) by nut (34); The other end of contiguous block (31) connects substrate (43), and substrate (43) is arranged at below the tautness meter (4).
6. by the described a kind of chain tension parameter test device of claim 1, it is characterized in that: described dial gauge (42) all is connected microcomputer (41) with tautness meter (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310194888.2A CN103245564B (en) | 2013-05-23 | 2013-05-23 | A kind of chain tension parameter test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310194888.2A CN103245564B (en) | 2013-05-23 | 2013-05-23 | A kind of chain tension parameter test device |
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| CN103245564A true CN103245564A (en) | 2013-08-14 |
| CN103245564B CN103245564B (en) | 2015-10-28 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949832A (en) * | 2015-05-28 | 2015-09-30 | 同济大学 | Horizontal test platform for fracture, fatigue and chain length precision measurement of escalator driving chains |
| CN105067246A (en) * | 2015-08-13 | 2015-11-18 | 重庆永钢橡塑有限责任公司 | Automatic tension testing device of super-long chain |
| CN105092225A (en) * | 2015-08-13 | 2015-11-25 | 重庆永钢橡塑有限责任公司 | Pulling force testing seat |
| CN105466781A (en) * | 2016-01-29 | 2016-04-06 | 太仓椿盟链传动有限公司 | General chain straightening device |
| CN107607395A (en) * | 2017-11-08 | 2018-01-19 | 江苏格林机械有限公司 | A kind of New crane chain stretching force detecting apparatus |
| CN108195500A (en) * | 2018-02-03 | 2018-06-22 | 河北航科工程检测设备技术有限公司 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
| CN109765049A (en) * | 2019-01-25 | 2019-05-17 | 上海市特种设备监督检验技术研究院 | Escalator main drive chain fatigue life testing apparatus |
| CN113884386A (en) * | 2021-08-19 | 2022-01-04 | 安徽黄山恒久链传动有限公司 | Pre-drawing and detecting equipment for finished chain |
| CN115060578A (en) * | 2022-06-02 | 2022-09-16 | 陕西杨鑫煤矿机械制造有限责任公司 | Tensile testing device of mine chain |
| CN117969243A (en) * | 2024-03-28 | 2024-05-03 | 胜利油田长龙橡塑有限责任公司 | Method and equipment for testing tensile strength of aramid fiber reinforced wrapping belt |
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| CN2290052Y (en) * | 1997-03-03 | 1998-09-02 | 新汶矿务局职工大学 | Connecting device for ring test piece pulling test |
| JP2011058589A (en) * | 2009-09-11 | 2011-03-24 | Ntn Corp | Automatic tensioner |
| CN102004057A (en) * | 2010-10-14 | 2011-04-06 | 厦门大学 | Tensile detecting system for 3-ring chain based on machine vision |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949832A (en) * | 2015-05-28 | 2015-09-30 | 同济大学 | Horizontal test platform for fracture, fatigue and chain length precision measurement of escalator driving chains |
| CN104949832B (en) * | 2015-05-28 | 2017-06-13 | 同济大学 | A kind of horizontal drive chain of escalator is disrumpent feelings, tired and chain length precision measure testing stand |
| CN105067246A (en) * | 2015-08-13 | 2015-11-18 | 重庆永钢橡塑有限责任公司 | Automatic tension testing device of super-long chain |
| CN105092225A (en) * | 2015-08-13 | 2015-11-25 | 重庆永钢橡塑有限责任公司 | Pulling force testing seat |
| CN105466781A (en) * | 2016-01-29 | 2016-04-06 | 太仓椿盟链传动有限公司 | General chain straightening device |
| CN107607395A (en) * | 2017-11-08 | 2018-01-19 | 江苏格林机械有限公司 | A kind of New crane chain stretching force detecting apparatus |
| CN108195500A (en) * | 2018-02-03 | 2018-06-22 | 河北航科工程检测设备技术有限公司 | A kind of bridge expanssion joint walks resistance automatic data acquisition experimental provision |
| CN108195500B (en) * | 2018-02-03 | 2024-06-07 | 河北航科工程检测设备技术有限公司 | Automatic data acquisition experimental device for bridge expansion joint running resistance |
| CN109765049A (en) * | 2019-01-25 | 2019-05-17 | 上海市特种设备监督检验技术研究院 | Escalator main drive chain fatigue life testing apparatus |
| CN109765049B (en) * | 2019-01-25 | 2024-05-07 | 上海市特种设备监督检验技术研究院 | Fatigue life testing device for main driving chain of escalator |
| CN113884386A (en) * | 2021-08-19 | 2022-01-04 | 安徽黄山恒久链传动有限公司 | Pre-drawing and detecting equipment for finished chain |
| CN115060578A (en) * | 2022-06-02 | 2022-09-16 | 陕西杨鑫煤矿机械制造有限责任公司 | Tensile testing device of mine chain |
| CN115060578B (en) * | 2022-06-02 | 2023-11-21 | 陕西杨鑫煤矿机械制造有限责任公司 | Tension testing device for mine chain |
| CN117969243A (en) * | 2024-03-28 | 2024-05-03 | 胜利油田长龙橡塑有限责任公司 | Method and equipment for testing tensile strength of aramid fiber reinforced wrapping belt |
| CN117969243B (en) * | 2024-03-28 | 2024-05-31 | 胜利油田长龙橡塑有限责任公司 | Method and equipment for testing tensile strength of aramid fiber reinforced wrapping belt |
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| CN103245564B (en) | 2015-10-28 |
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