CN103616281B - A kind of horizontal tensile testing machine tailstock - Google Patents

A kind of horizontal tensile testing machine tailstock Download PDF

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Publication number
CN103616281B
CN103616281B CN201310635094.5A CN201310635094A CN103616281B CN 103616281 B CN103616281 B CN 103616281B CN 201310635094 A CN201310635094 A CN 201310635094A CN 103616281 B CN103616281 B CN 103616281B
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China
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tailstock
testing machine
tensile testing
power set
tailstock body
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CN103616281A (en
Inventor
唐文献
李钦奉
赵华
李存军
丁建波
刘永强
苏世杰
张建
高超
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Abstract

The invention discloses a kind of horizontal tensile testing machine tailstock, comprise tailstock body, power set, positioner and control device, the thrust groove of clamping device is installed in the upper surface of described tailstock body to having, lower bottom part is provided with the case structure of coaxial mounted pair of driving wheels and at least one pair of driven pulley, is placed on the guide rail of described horizontal tensile testing machine left end;Described power set, this is internal to be fixed on tailstock, and the sprocket wheel and the roller chain that are provided with by power set impart power to driving wheel;Described positioner is the position of positioning hole being provided with on the corresponding described tensile testing machine fuselage side plate in two sides before and after tailstock body, is respectively symmetrically the telescopic alignment pin being provided with mating shapes;Described control device is placed in tailstock body position convenient to operate for controlling power set and positioner.The present invention can meet the needs that tensile testing machine tensile elongation adjusts.

Description

A kind of horizontal tensile testing machine tailstock
Technical field:
The present invention relates to a kind of mechanical property test platform, particularly relate to the electrodynamic type tail of a kind of big pulling force distance tensile testing machine Seat, belongs to horizontal tensile testing machine technical field.
Background technology:
Semi-submersible type tensile testing machine is the horizontal tensile testing machine with armored concrete pit as fuselage, the effect of its tailstock: one is As supporting and a fixing end of grab tensile component, two is can to adjust tensile testing machine single tensile elongation by tailstock. Semi-submersible type tensile testing machine single tensile elongation is by fuselage side plate at present, has several U-lags, is inserted by tailstock Different U-lags, to change the distance between the power charger of tailstock and tensile testing machine, thus meets test requirements document; Although program simple in construction, owing to semi-submersible type tensile testing machine structural stability is good, it is usually and sets for heavy component tension test The experimental rig of meter, such as heavy anchor chain, therefore its tailstock is heavier, when testing stretching distance to be adjusted, needs to use Heavy equipment (such as driving, crane), can complete tailstock shift operation;In order to ensure center of drag and the stretching of tensile testing machine Component overlaps, and improves test accuracy, and the gap bottom the spacing of tailstock two sides side plate horizontal with fuselage U-lag is the least, though Bottom tailstock, so it is provided with inclined-plane guide, but tailstock slot is installed the most difficult.Additionally due to U-lag is opened in fuselage side plate On, therefore the spacing of groove and groove is little, will affect the spacing of fuselage intensity, groove and groove big, affect again tensile testing machine The selection of single tensile elongation.
In sum, current semi-submersible type tensile testing machine tailstock adjusts the three big problems that are primarily present, and one is heavy, mobile difficulty; Two is that positioning accuracy request is high, and notch installs inconvenience;Three is that adjustment progression is less, affects the operating efficiency of puller system.
Through retrieval pertinent literature and patent, find no the technology that the present invention is similar to so far.
Summary of the invention:
The present invention provides a kind of horizontal tensile testing machine tailstock, its objective is to overcome existing large-scale semi-submersible type tensile testing machine tailstock to fill Put mobile difficulty, inconvenience, the deficiency in the technology such as adjustment progression is less are installed.
For reaching above-mentioned purpose, the present invention is achieved by the following technical programs:
A kind of horizontal tensile testing machine tailstock, comprises tailstock body, power set, positioner, clamping device and controls device; Described tailstock body is upper surface to having the thrust groove installing clamping device, and bottom is provided with coaxial mounted a pair driving Wheel and the case structure of at least one pair of driven pulley, be placed on the guide rail of described horizontal tensile testing machine left end;Described power set, This is internal to be fixed on tailstock, and the sprocket wheel and the roller chain that are provided with by power set impart power to driving wheel;Described positioner For the position of positioning hole being provided with on the corresponding described tensile testing machine fuselage side plate in two sides before and after tailstock body, it is respectively symmetrically setting There is the telescopic alignment pin of mating shapes;Described control device is placed in tailstock body position convenient to operate and moves for controlling Power apparatus and positioner.
The purpose of the present invention can also be realized further by techniques below measure.
Aforementioned described power set are motor reducer.
Before and after aforementioned described tailstock body, two sides are also respectively symmetrically and are provided with many and roll mutually against described tensile testing machine fuselage side plate Guide roller.
Aforementioned described guide roller, is eight, each 4 of every limit, guide roller containing by roller bearing, bearing, cylinder, bearing cap, Roller mount and the axial pressing plate of roller bearing are constituted.
The telescopic drive mode of aforementioned described telescopic alignment pin is manually or electrically actuator drives.
Aforementioned described electric transmission machanism is pinion and rack, and tooth bar is fixedly connected on the axial rearward end of alignment pin, keeps with end face The gear of level is meshed, and the handwheel that gear is arranged with tailstock body upper end is linked together by rotating shaft.
The back side of the rack tooth of aforementioned described tooth bar is provided with a roller, and the back side of rolling wheel and rack keeps contact.
The clamping device installed in aforementioned described thrust groove is interchangeable mounting means.
The present invention is by self-contained power set, it is achieved tailstock from main displacement, it is to avoid use crane gear, utilize tailstock The guide roller of both sides, it is ensured that tailstock and the quality of fit of fuselage, meanwhile, by position sensor and control system thereof, energy Enough stop positions to tailstock realize being accurately positioned, it is ensured that the square cotter on tailstock can insert in the square hole of fuselage side plate smoothly, from And meet the fixing requirement of tailstock and fuselage;Additionally, the square hole that the present invention is inserted on side plate by the square cotter on tailstock fixes tail Seat, substitutes the mode of tailstock fixing to side plate fluting at present, improves the bonding strength of fuselage side plate and melt pit, utilizes meanwhile Perforate mode fixes tailstock, and the spacing of hole more current groove and groove with the spacing in hole can be made to be greatly shortened, to meet pulling force examination Test machine tensile elongation and adjust needs.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, this enforcement Example, is only used as example referring to the drawings and is given.
Accompanying drawing explanation
Fig. 1 is the tailstock of present invention installation site schematic diagram in horizontal tensile testing machine;
Fig. 2 is the tailstock front view of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the C-C sectional view of Fig. 4.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention will be further described:
As it is shown in figure 1, a kind of horizontal tensile testing machine tailstock 4 is placed in the left end of fuselage, guided by side plate 3 before and after it, Being additionally provided with hole 31, location on side plate 3, the roller of lower bottom part is placed on guide rail 2.
As in figure 2 it is shown, a kind of horizontal tensile testing machine tailstock, comprise tailstock body 40, power set 45, positioner 44 And control device;Described tailstock body 40 is provided with coaxial mounted pair of driving wheels 42A and pair of driven 42B for bottom Case structure, end face is concave around, and groove is used for installing pulling force fixture 5;Described power set 45 subtract for motor Speed device, is fixed in the die cavity 401 of tailstock body 40, and the sprocket wheel being provided with by motor reducer 45 and roller chain 457 will be dynamic Power passes to driving wheel 42A;Described positioner 44 is two sides before and after tailstock body 40, corresponding described tensile testing machine Fuselage side plate 3(such as Fig. 1) position, hole, location 31 that is provided with, it is respectively symmetrically the available manual transmission being provided with mating shapes Device 43 drives the alignment pin 44 that it is flexible;Described control device is placed in tailstock body 40 position convenient to operate for controlling Power set 45.The corner that before and after described tailstock body 40, end face is corresponding with side plate about 3, is also respectively provided with 4 and leads Way roller 41, is used for controlling tailstock body 40 and moves linearly on guide rail 2.
As it is shown on figure 3, described directive wheel 41 includes roller body 414, at roller body 414 built with bearing 415, by end Bearing 415 outer ring is axially positioned by lid 413, and is sealed the die cavity of bearing 415 by sealing ring 416, utilizes Roller shaft 411 is through the upper bottom outlet of support 412, stop collar 417, bearing 415 inner ring, lower limit set, support 412 times Bottom outlet;The axial limiting lower end of roller shaft 411 utilizes the end face of tailstock body 40, and upper end is spacing is to utilize axial pressing plate 418 to limit Position;Support 412 is embedded to be fixed on the corner of tailstock body 40 end face corresponding with side plate about 3 front and back by screw 419, Improve the rigidity of guide roller 41.
Described driving wheel 42A, comprises rotating shaft 429, by two bearing spiders 428, bearing 427 and bearing cap 426, screw 425 bottom surfaces, bottom right being fixed on tailstock body 40, at rotating shaft 429 two ends, are connected to roller 424, roller 424 by key 423 Between the spacing of distance and guide rail 2 adapt, at the front axle head of rotating shaft 429 also with the most fixed sprocket wheel of key 423 421, and utilize the rear end face of sprocket wheel 421, axially position to the front end roller 424 of driving wheel 42A, by cover plate 420 with turn Axle 429 ensures roller 424 safe operation on guide rail 2.Driven pulley 42B, compared with driving wheel 42A, lacks a sprocket wheel 421, Other structure is identical, therefore repeats no more,
As shown in Figure 4, Figure 5, described square cotter 44 matches with the square hole 402 at tailstock body 40 two ends, and passes through tank filler sleeve 403 lubricate for square cotter, and plug cock 436 is tank filler sleeve closure protection oil duct.For the ease of gear 444, the installation of tooth bar 443, side The rear portion of pin 44, in the case of not affecting its positioning function and intensity, is designed to V-shaped, and tooth bar 443 is by himself spiral shell Bar is fixed in the middle part of square cotter 44;The two axial ends of gear 444, respectively by lower guide pin bushing 446, adjusts pad 445, upper fairlead 442, Vertical core 404 and pad 437, end cap 435, bearing 434 on tailstock body 40, and be connected with handwheel 431 by key 433, For avoiding tooth bar 443 to bear radial load, it is ensured that gear 444 engages, at the back side and the tooth of tooth bar 443 with the normal of tooth bar 443 Take turns 444 corresponding positions, be also provided with guide roller 447.Additionally, the fixing seat of lower guide pin bushing 446, guide roller 447 The 448 rear limited blocks simultaneously also serving as square cotter 44,
Manual drive 43 is used for controlling square cotter 44 and inserts or exit the square hole 31 of side plate 3, when tensile testing machine carries out pulling force During test, needing to insert square cotter 44 in the square hole 31 of side plate 3, the pulling force born by tailstock body 40 is passed by square cotter 44 It is delivered to side plate 3;When tensile testing machine needs to adjust tensile elongation, square cotter 44 need to be exited square hole 31, utilize motor reducer 45 drive driving wheel 42A, thus drive tailstock body 40 to move, and utilize electric apparatus control apparatus, are moved to by tailstock body 40 Need position.
Described motor reducer 45 is integrally fixed in the bottom square hole 401 of fuselage body 40, comprises motor 455, decelerator 453, Sprocket wheel 452, support 451 and installation floor 454.
In addition to the implementation, the present invention can also have the skill that other embodiments, all employing equivalents or equivalent transformation are formed Art scheme, all falls within the protection domain of application claims.

Claims (3)

1. a horizontal tensile testing machine tailstock, comprises tailstock body, power set, positioner and controls device, its feature It is: the thrust groove of clamping device is installed in the upper surface of described tailstock body to having, and lower bottom part is provided with coaxial mounted Pair of driving wheels and the case structure of at least one pair of driven pulley, be placed on the guide rail of described horizontal tensile testing machine left end;Described Power set, this is internal to be fixed on tailstock, and the sprocket wheel and the roller chain that are provided with by power set impart power to driving wheel;Institute Stating positioner is the position, hole, square location being provided with on the corresponding described tensile testing machine fuselage side plate in two sides before and after tailstock body Put, be respectively symmetrically the telescopic side being provided with the manually or electrically actuator drives with square location hole dimension mating shapes Shape alignment pin;Described control device is placed in tailstock body position convenient to operate for controlling power set and positioner;Institute State two sides before and after tailstock body to be also respectively symmetrically and be provided with 4 orienting rolls rolled mutually against described tensile testing machine fuselage side plate Wheel;Described electric transmission machanism is pinion and rack, and tooth bar is fixedly connected on the axial rearward end of alignment pin, keeps water with end face Flat gear is meshed, and the back side of the rack tooth of described tooth bar is provided with a roller, and the back side of rolling wheel and rack keeps contact.
2. a kind of horizontal tensile testing machine tailstock as claimed in claim 1, it is characterised in that: described power set are that motor subtracts Speed device.
3. horizontal tensile testing machine tailstock as claimed in claim 1 a kind of, it is characterised in that: described guide roller by roller bearing, The axial pressing plate of bearing, cylinder, bearing cap, roller mount and roller bearing is constituted.
CN201310635094.5A 2013-11-27 2013-11-27 A kind of horizontal tensile testing machine tailstock Active CN103616281B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101537B (en) * 2014-07-18 2017-05-03 山东康迪泰克工程橡胶有限公司 Method and device for testing lateral stiffness of tubular belt
CN109520444B (en) * 2018-11-19 2020-11-03 江苏科技大学 Device and method for measuring parallelism of machine body of large horizontal tensile testing machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624144A (en) * 1984-05-23 1986-11-25 Tinius Olsen Testing Machine Co. For testing machines, improvements in determining rupture point and setting gauge length
CN101706394A (en) * 2009-12-01 2010-05-12 中国电力科学研究院 Insulator horizontal tensile testing machine
CN202114752U (en) * 2011-05-13 2012-01-18 瑞安市丰日机械有限公司 Template locking mechanism for full-automatic die cutting machine
CN203629948U (en) * 2013-11-27 2014-06-04 江苏科技大学 Tail base of horizontal type tensile testing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624144A (en) * 1984-05-23 1986-11-25 Tinius Olsen Testing Machine Co. For testing machines, improvements in determining rupture point and setting gauge length
CN101706394A (en) * 2009-12-01 2010-05-12 中国电力科学研究院 Insulator horizontal tensile testing machine
CN202114752U (en) * 2011-05-13 2012-01-18 瑞安市丰日机械有限公司 Template locking mechanism for full-automatic die cutting machine
CN203629948U (en) * 2013-11-27 2014-06-04 江苏科技大学 Tail base of horizontal type tensile testing machine

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Application publication date: 20140305

Assignee: Zhenjiang Kaituo Machinery Co.,Ltd.

Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY

Contract record no.: X2020980007284

Denomination of invention: A horizontal tail seat tension test

Granted publication date: 20160824

License type: Common License

Record date: 20201029

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Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY

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Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd.

Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY

Contract record no.: X2022980022975

Denomination of invention: Tail seat of horizontal tensile test machine

Granted publication date: 20160824

License type: Common License

Record date: 20221128

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