CN102706747A - Bungee elastic rope test apparatus - Google Patents
Bungee elastic rope test apparatus Download PDFInfo
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- CN102706747A CN102706747A CN2012101701160A CN201210170116A CN102706747A CN 102706747 A CN102706747 A CN 102706747A CN 2012101701160 A CN2012101701160 A CN 2012101701160A CN 201210170116 A CN201210170116 A CN 201210170116A CN 102706747 A CN102706747 A CN 102706747A
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- elastic threads
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Abstract
The invention relates to a bungee elastic rope test apparatus which comprises a swinging unit, a clamping unit, and a guiding traction unit, wherein the swinging unit is used for generating reciprocating swinging action in a preset travel; the clamping unit is used for clamping and fixing the first end of a detected bungee elastic rope; and the guiding traction unit is provided with a traction end and a guiding part, the traction end is fixedly connected with the second end of the detected bungee elastic rope, and the guiding part is coupled with the swinging unit, thereby being converted into stretching motion of the detected bungee elastic rope along the direction swinging action of the swinging unit.
Description
Technical field
What the present invention relates to is a kind of recreation facility pick-up unit, particularly be a kind of bungee jumping elastic threads test unit.
Background technology
The bungee jumping elastic threads is the critical component of bungee jumping equipment, should satisfy characteristics such as permanance, high resiliency, resistance to aging.Bungee jumping elastic threads performance parameter is analyzed reduction accident possibility occurrence, for the people that guarantee this recreation of participation, had very large meaning.
Testing fatigue technology for the rope class is also arranged in the prior art, disclose a kind of intelligent pull rope fatigue tester, comprise switch board, motor and runner like Chinese patent CN201293745; Motor and runner are fixedly mounted on the switch board; Runner is equipped with the test platform that is used to place test product by motor-driven on switch board, guide rail is installed on the test platform; Guide rail links to each other with its cylinder that moves of driving; Synchronization-moving first support of ability and second support are installed on the gas rail, and first support links to each other with second support through connecting rod, and the vertical cylinder that can move up and down in making the test product tensioning is installed on first support.
If but it is simply moved the test of do to the permanance of bungee jumping elastic threads, high resiliency, resistance to aging, obviously there is defective, from realizing angle to the stay cord testing fatigue; Its technology is too complicated, has not only related to motor and also cylinder need be set simultaneously, thereby increased cost; Working repeatedly through cylinder in addition because the intrinsic precision of hydraulic pressure is relatively poor; Thereby through after the to-and-fro movement repeatedly, stroke that it reaches and pulling force can reduce, thereby the precision of influence.
In view of above-mentioned defective, creator of the present invention is through research and test obtain this creation finally for a long time.
Summary of the invention
The object of the present invention is to provide a kind of bungee jumping elastic threads test unit, in order to overcome above-mentioned technological deficiency.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is that a kind of bungee jumping elastic threads test unit is provided, and it comprises:
One swing unit, it is in order to be created in the reciprocally swinging action in the preset stroke;
One grip unit, it is in order to grip first end of a bungee jumping elastic threads to be detected;
One guiding traction unit; It has a traction end and a guidance part; The second end Joint of described traction end and described bungee jumping elastic threads to be detected; Described guide part and described swing unit are coupled, thereby along with the wobbling action of described swing unit converts described bungee jumping elastic threads to be detected into along guiding direction extensional motion.
Preferable, described swing unit comprises:
One motor is in order to export a spinning movement;
One fork, the one of which end is connected with the output shaft of described motor, on described fork, is provided with a connecting hole at least, selects to install a pulley according to the needs of oscillating stroke.
Preferable, described guiding traction unit comprises:
A connecting seat;
One testing table, it is provided with described Connection Block, and described testing table is provided with guide rail;
One roller anchor clamps, it can do rectilinear motion along described guide rail, and the one of which end is described traction end, in order to affixed with second end of said bungee jumping elastic threads to be detected;
One wire rope; It is described guidance part; One of which end and described Connection Block Joint, the other end Joint of its other end and said roller anchor clamps, described wire rope and described pulley are coupled; When said pulley was swung with said fork, described roller anchor clamps were along described guide rail movement.
Preferable, described guiding traction unit also comprises:
One rebound, it is arranged on said testing table one side;
Two boss, it is arranged on the described rebound, has the hole on the described boss;
Two angle sheaves, it is arranged in the hole of said boss, and described wire rope stretches into from passing between the described angle sheave along described guide rail direction.
Preferable, described Connection Block can be a lug and replaces, and described lug is arranged on the described rebound.
Preferable, described grip unit is a securing member, one of which end and described testing table guide rail end Joint, and the other end is fixedly connected with said bungee jumping elastic threads first end to be detected.
Preferable, described grip unit comprises:
One handwheel, it has joint flange and the middle part is provided with the axial thread hole, and said handwheel is arranged at the end of said testing table;
One adjusting lever, it has external thread, and it is meshed with the threaded hole of said handwheel along described guide rail direction and stretches into, and the rotation of the different directions through said handwheel realizes that described adjusting lever stretches along said guide rail direction;
One contiguous block, it is arranged at described adjusting lever one end, and is fixedly connected with said bungee jumping elastic threads first end to be detected.
Preferable, described testing table end is provided with back-up block, and described wire rope leads to described pulley along said Connection Block and back-up block.
Be with prior art beneficial effect more of the present invention, simple in structure, be convenient to assembling, utilize the space less, be convenient to simultaneously the initial position of bungee jumping elastic threads to be detected is adjusted.
Description of drawings
Fig. 1 is bungee jumping rope test unit theory structure synoptic diagram of the present invention;
Fig. 2 is bungee jumping rope test unit embodiment one structural representation of the present invention;
Fig. 3 is bungee jumping rope test unit embodiment two worktable terminal structure synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, do more detailed explanation with other technical characterictic and advantage to the present invention is above-mentioned.
See also shown in Figure 1; It is bungee jumping rope test unit theory structure synoptic diagram of the present invention; Described bungee jumping elastic threads test unit comprises swing unit a, guiding traction unit b and grip unit c, and wherein said swing unit a is in order to be created in the reciprocally swinging action in the preset stroke; Said grip unit c is in order to grip first end of a bungee jumping elastic threads to be detected; Said guiding traction unit b has a traction end and a guidance part; The second end Joint of described traction end and described bungee jumping elastic threads 2 to be detected; Described guide part and described swing unit a are coupled, thereby along with the wobbling action of described swing unit a converts described bungee jumping elastic threads to be detected 2 into along guiding direction extensional motion.
See also shown in Figure 2ly, it is bungee jumping rope test unit embodiment one structural representation of the present invention, and the bungee jumping elastic threads 2 to be detected described in the present invention need be done straight reciprocating motion; And described swing unit a comprises motor 8; Said motor 8 is installed on the motor cabinet 80, is connected with a fork 7 on said motor 8 output shafts, and described fork 7 big end perforates 700 are connected with the output shaft of said motor 8; Axially be provided with some holes 701 along said fork 7; It is in order to be connected with a pulley 6, and like this, said fork 7 connects said pulley 6 and said motor 8; When said motor 8 was worked, said fork 7 and said pulley 6 fixed thereon moved in a circle around the output shaft of said motor 8.And because some connecting holes 701 of alternate setting are arranged on the said fork 7, these holes 701 can be installed said pulley 6 as required, thus the adjustment stroke.
Need to prove that the present invention is according to the crank block principle design, described fork 7 is equivalent to the crank in the slider-crank mechanism; And; Because described fork 7 is provided with some connecting holes 701, crank adjustable length, thereby the bungee jumping elastic threads that can test different size.
Described guiding traction unit b comprises: a connecting seat 900; One testing table 501, it is provided with described Connection Block 900, and described testing table 501 is provided with guide rail 4; One roller anchor clamps 3, it can do rectilinear motion along described guide rail 4, and the one of which end is described traction end, in order to affixed with second end of said bungee jumping elastic threads 2 to be detected; One wire rope 9; It is described guidance part; One of which end and described Connection Block 900 Joints, the other end Joint of its other end and said roller anchor clamps 3, described wire rope 9 is coupled with described pulley 6; When said pulley 6 was swung with said fork 7, described roller anchor clamps 3 moved along described guide rail 4.Can see that from Fig. 2 in the practical implementation, described testing table 501 is and described motor cabinet 80 settings separated by a distance, the vertical layout of output shaft of said worktable 501 and said motor 8.Said worktable 501 tops are provided with described Connection Block 900; Described wire rope 9 ends 901 are fixed on the said Connection Block 900; Simultaneously; Said worktable 501 tops also have a connecting seat 904, said worktable 501 ends that back-up block 903 is arranged, and said wire rope 9 leads to described pulley 6 along said Connection Block 904 with said back-up block 903, and said Connection Block 904 guarantees when said pulley 6 moves to the bottom with said back-up block 903; Said wire rope 9 is a level on said worktable 501, avoids rubbing with said worktable 501.On said worktable 501 and described motor 8 adjacent end rebound 502 is installed; Said rebound 502 is provided with two boss 503; Have the horizontal direction hole on the said boss 503, angle sheave 5 is installed on the hole, said boss 503 spacings are confirmed according to the size of said angle sheave 5.Like this; Described wire rope 9 one ends are fixed on the said worktable 501, extend on said pulley 6 from this end, and pass between two angle sheaves 5; Continue to stretch into along the said guide rail 4 that uses in pairs, said wire rope 9 other ends 902 are connected with said roller anchor clamps 3.
Said wire rope 9 one ends 901 are fixing, and the other end 902 is connected with the roller anchor clamps and can be along said guide rail 4 tangential movements, and the said wire rope 9 of said angle sheave 5 clampings, and it only can be moved by along continuous straight runs in said guide rail 4.Thereby said wire rope 9 is equivalent to the connecting rod in the slider-crank mechanism.
Said roller anchor clamps 3 place in the described guide rail 4, and its other end is connected with said bungee jumping elastic threads 2 second ends to be detected, and said bungee jumping elastic threads 2 first ends to be detected are fixed by described grip unit c.For the present invention, described grip unit c is a securing member, one of which end and described testing table guide rail end Joint, and the other end is fixedly connected (not looking among the figure) with said bungee jumping elastic threads first end to be detected.It is fairly simple that this mode realizes, but installation and adjustment are all not too convenient.The present invention simultaneously also provides the second way; Be handwheel 101, long adjusting lever 102 and the some contiguous blocks of an external thread that described grip unit c comprises a band joint flange; Said handwheel 101 is through contiguous block and said 501 terminal connections of worktable; Said handwheel 101 middle parts have the axial thread through hole, and said adjusting lever 102 passes said handwheel 101 and tapped sleeve 103, are connected fixing endways with said bungee jumping elastic threads 2 to be detected through said contiguous block 104; Rotate said handwheel 101 said adjusting lever 102 can in axial direction be rotated, and horizontal direction moves vertically.Like this when inoperative; When the change in location of said pulley 6 on described fork 7 causes that crank length shortens; Wire rope 9 in the said guide rail 4 stretches out outside said guide rail 4 thereupon; During the whole reach of said bungee jumping elastic threads to be detected 2, said adjusting lever 102 also can protract in worktable, guarantees that said grip unit c can clamp all the time to step up.
Under the effect of angle sheave 5 described in the guiding traction unit b, said bungee jumping elastic threads 2 to be detected can be done stretching motion along rectilinear direction.Can know according to the travelling block principle; Said roller anchor clamps 3 move distances are 2 times of said fork 7 move distances; Realized the amplification of motion; And said roller anchor clamps 3 serve as the slide block in the slider-crank mechanism, and said like this swing unit a converts the rotation of said fork 7 to said roller anchor clamps 3 move horizontally.
Before test,, regulate the position that described pulley 6 is installed according to the characteristic of said bungee jumping elastic threads 2 to be detected; Confirm the length of crank; Regulate described grip unit c, the said bungee jumping elastic threads 2 to be detected that is installed makes it be in the nature straight configuration, described grip unit c locking.
During test; Described motor 8 rotates, and drives said fork 7 and rotates, and said fork 7 is through said wire rope 9 motions of said pulley 6 pullings; Under the effect of said angle sheave 5; Said wire rope 9 in the said guide rail 4 is along said guide rail 4 rectilinear motions, and the said roller anchor clamps 3 that are connected with said wire rope 9 are along said guide rail 4 rectilinear motions, thereby realization is to the test of said bungee jumping elastic threads 2 to be detected.As stated, because an end of said wire rope 9 is fixed, its motion has amplification, and the distance that said roller anchor clamps 3 move is 2 times of said fork 7 move distances.After said fork 7 rotated 180 °, it is maximum that the stroke of said roller anchor clamps 3 reaches, and motion in the other direction under the screen resilience effect of said bungee jumping elastic threads 2 to be detected then is up to initial position.So said fork 7 drives underspin at motor 8 and turns around, the circulation that sample is accomplished 2 one stretchings of said bungee jumping elastic threads to be detected, shunk.
In this motion, the constant amplitude stretching motion of said bungee jumping elastic threads 2 to be detected is to realize according to the principle of slider-crank mechanism, and crank is the said fork 7 that motor output shaft is installed, and connecting rod is said wire rope 9, and slide block is exactly said roller anchor clamps 3.
Crank (corresponding said fork 7) rotates, and slide block (corresponding said roller anchor clamps 3) is in the to-and-fro movement that will make straight line under the drive of connecting rod (corresponding said wire rope 9) and under the constraint of said angle sheave 5 along said guide rail 4; When connecting rod (corresponding said wire rope 9) and crank (corresponding said fork 7) when length immobilizes; The reciprocating distance of slide block (corresponding said roller anchor clamps 3) is exactly constant; In case crank (corresponding said fork 7) length changes, the reciprocating distance of slide block (corresponding said roller anchor clamps 3) also just changes.
Need to prove, similar at the stretching motion of bungee jumping elastic threads 2 to be detected according to the invention with the actual condition of bungee jumping elastic threads in the bungee jumping campaign, through test unit of the present invention, can be in the actual motion operating mode of test lab simulation bungee jumping.
In addition, this testing table 501 and motor cabinet 80 need be fixed on the ground by upright supports; After accomplishing fluently ground datum hole and deposit concrete according to drawing requirement, install, move to equipment near the ground datum hole; Foot bolt is installed and is fixed mechanically, be fixed on machine and foot screw together on the ground, adjust the position with nut; Use the cement casting foot bolt, completion installs and fixes.
As shown in Figure 3; It is bungee jumping rope test unit embodiment two worktable terminal structure synoptic diagram of the present invention, and described in the present invention guiding traction unit b also has the distortion of equivalence, promptly can be on the terminal rebound 502 of said worktable 501 the fixing end 901 of wire rope 9; From the angle that realizes be exactly; On the top of said rebound 502 lug 504 is set, said wire rope 9 ends are fixed on this lug 504, and being provided with among the embodiment one of other architectural feature is identical.
The use that has reduced said Connection Block 904 is set like this, has shortened said terminal 901 length, help the stability of whole device to wire rope 9 between the said pulley 6; Simultaneously, the pressure angle between said wire rope 9 and the pulley 6 increases, and required driving force reduces; And; This section wire rope 9 shortens, and has reduced the influence of its stretcher strain when stressed, has improved system stability.
The above is merely preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and in spirit that claim of the present invention limited and scope, can carry out many changes to it, revise, in addition equivalent, but all will fall in protection scope of the present invention.
Claims (3)
1. bungee jumping elastic threads test unit is characterized in that it comprises:
One swing unit, it is in order to be created in the reciprocally swinging action in the preset stroke;
One grip unit, it is in order to grip first end of a bungee jumping elastic threads to be detected;
One guiding traction unit; It has a traction end and a guidance part; The second end Joint of described traction end and described bungee jumping elastic threads to be detected; Described guide part and described swing unit are coupled, thereby along with the wobbling action of described swing unit converts described bungee jumping elastic threads to be detected into along guiding direction extensional motion; Wherein,
Described swing unit comprises:
One motor is in order to export a spinning movement;
One fork, the one of which end is connected with the output shaft of described motor, on described fork, is provided with a connecting hole at least, selects to install a pulley according to the needs of oscillating stroke;
Described guiding traction unit comprises:
A connecting seat;
One testing table, it is provided with described Connection Block, and described testing table is provided with guide rail;
One roller anchor clamps, it can do rectilinear motion along described guide rail, and the one of which end is described traction end, in order to affixed with second end of said bungee jumping elastic threads to be detected;
One wire rope; It is described guidance part; One of which end and described Connection Block Joint, the other end Joint of its other end and said roller anchor clamps, described wire rope and described pulley are coupled; When said pulley was swung with said fork, described roller anchor clamps were along described guide rail movement;
One rebound, it is arranged on said testing table one side;
Two boss, it is arranged on the described rebound, has the hole on the described boss;
Two angle sheaves, it is arranged in the hole of said boss, and described wire rope stretches into from passing between the described angle sheave along described guide rail direction;
Described grip unit comprises:
One handwheel, it has joint flange and the middle part is provided with the axial thread hole, and said handwheel is arranged at the end of said testing table;
One adjusting lever, it has external thread, and it is meshed with the threaded hole of said handwheel along described guide rail direction and stretches into, and the rotation of the different directions through said handwheel realizes that described adjusting lever stretches along said guide rail direction;
One contiguous block, it is arranged at described adjusting lever one end, and is fixedly connected with said bungee jumping elastic threads first end to be detected.
2. bungee jumping elastic threads test unit according to claim 1 is characterized in that, described Connection Block can be a lug and replaces, and described lug is arranged on the described rebound.
3. bungee jumping elastic threads test unit according to claim 2 is characterized in that described testing table end is provided with back-up block, and described wire rope leads to described pulley along said Connection Block and back-up block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101701160A CN102706747B (en) | 2012-05-25 | 2012-05-25 | Bungee elastic rope test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101701160A CN102706747B (en) | 2012-05-25 | 2012-05-25 | Bungee elastic rope test apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN102706747A true CN102706747A (en) | 2012-10-03 |
| CN102706747B CN102706747B (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101701160A Expired - Fee Related CN102706747B (en) | 2012-05-25 | 2012-05-25 | Bungee elastic rope test apparatus |
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Cited By (6)
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| CN103308291A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | Pin loosening proof preventive inspection device for double-hook tightener |
| CN109297626A (en) * | 2018-08-14 | 2019-02-01 | 章云娟 | Leg pulling force real-time measurement mechanism |
| CN109765101A (en) * | 2019-03-13 | 2019-05-17 | 东莞现代产品整理服务有限公司 | Flexible body-building cord retraction durability test machine and its test method |
| CN109883898A (en) * | 2019-03-21 | 2019-06-14 | 中国矿业大学(北京) | Kinetic characteristic and kinetic characteristics experimental rig and pilot system |
| CN110017960A (en) * | 2019-05-24 | 2019-07-16 | 宗秀伟 | A kind of bridge wirerope vibration detection simulator |
| CN113933163A (en) * | 2021-11-05 | 2022-01-14 | 湖南贝恩叮当猫婴童用品有限公司 | Paper diaper quality detection device and detection method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308291A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | Pin loosening proof preventive inspection device for double-hook tightener |
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| CN109297626A (en) * | 2018-08-14 | 2019-02-01 | 章云娟 | Leg pulling force real-time measurement mechanism |
| CN109765101A (en) * | 2019-03-13 | 2019-05-17 | 东莞现代产品整理服务有限公司 | Flexible body-building cord retraction durability test machine and its test method |
| CN109883898A (en) * | 2019-03-21 | 2019-06-14 | 中国矿业大学(北京) | Kinetic characteristic and kinetic characteristics experimental rig and pilot system |
| CN110017960A (en) * | 2019-05-24 | 2019-07-16 | 宗秀伟 | A kind of bridge wirerope vibration detection simulator |
| CN113933163A (en) * | 2021-11-05 | 2022-01-14 | 湖南贝恩叮当猫婴童用品有限公司 | Paper diaper quality detection device and detection method thereof |
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|---|---|
| CN102706747B (en) | 2013-11-13 |
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