CN108489801B - A kind of side resistance puller system and its test method - Google Patents

A kind of side resistance puller system and its test method Download PDF

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Publication number
CN108489801B
CN108489801B CN201810238757.2A CN201810238757A CN108489801B CN 108489801 B CN108489801 B CN 108489801B CN 201810238757 A CN201810238757 A CN 201810238757A CN 108489801 B CN108489801 B CN 108489801B
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CN
China
Prior art keywords
jaw
fixture
sample box
steel plate
sample
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201810238757.2A
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Chinese (zh)
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CN108489801A (en
Inventor
宋飞
张建华
张斌
李玉莹
张继文
徐传召
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Co Ltd Of Mechanical Industry Prospective Design Academy
Changan University
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Co Ltd Of Mechanical Industry Prospective Design Academy
Changan University
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Priority to CN201810238757.2A priority Critical patent/CN108489801B/en
Publication of CN108489801A publication Critical patent/CN108489801A/en
Application granted granted Critical
Publication of CN108489801B publication Critical patent/CN108489801B/en
Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure

Abstract

The invention discloses a kind of sides to hinder puller system, including sample box, horizontal addload mechanism and Vertical loading mechanism, is contained with sample in sample box, the side wall of the sample box is provided with sample box aperture;The Vertical loading mechanism includes vertical reaction frame, is equipped with jack at the top of vertical reaction frame, very heavy top/bottom part is welded with force transmitting board, and sample box base is fixed in vertical reaction frame, and sample box is placed on sample box base;The horizontal addload mechanism includes horizontal reacting force frame, horizontal pull bringing device is fixed on horizontal reacting force frame, horizontal pull bringing device is connected with fixture, fixture includes upper jaw and lower jaw, fixture aperture is provided between upper jaw and lower jaw, it is provided with the fixture bolt hole of coaxial line in upper jaw and lower jaw, steel plate is plugged between upper jaw and lower jaw.The present invention can improve the deficiencies in the prior art, convenient for the operation of collateral resistance detection.

Description

A kind of side resistance puller system and its test method
Technical field
The present invention relates to tensile testing machine technical field, especially a kind of side resistance puller system and its test method.
Background technique
Soil cement and steel when in order to study steel extraction under different setting conditions (such as cement mixed ratio and burden pressure) Between lateral shear distribution rule, need to carry out a large amount of simulated experiment.The working principle of common pull-out test device is jack Normal pressure is applied to sample, drawing fixture connects material built in sample, and horizontal power system drives drawing fixture, passes through drawing The mobile completion of fixture acts on the drawing of material.Drawing fixture is usually to be made of two parallel plane steel plates, passes through control The distance for making two plane steel plates clamps material, and this fixture is unable to fixation steel plate, and opposite sliding easily occurs during the drawing process, Cause steel plate that can not extract, and equipment size and scale are not suitable for the measurement of the collateral resistance during steel plate is pulled out built in soil cement Test.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of side resistance puller system and its test methods, are able to solve existing skill The deficiency of art, convenient for the operation of collateral resistance detection.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of side hinders puller system, including sample box, horizontal addload mechanism and Vertical loading mechanism, is contained with examination in sample box Sample, the side wall of the sample box are provided with sample box aperture;The Vertical loading mechanism includes vertical reaction frame, vertical reaction frame Top is equipped with jack, and very heavy top/bottom part is welded with force transmitting board, and sample box base, sample box peace are fixed in vertical reaction frame It is placed on sample box base;The horizontal addload mechanism includes horizontal reacting force frame, is fixed with horizontal pull on horizontal reacting force frame and applies Feeder apparatus, horizontal pull bringing device are connected with fixture, and fixture includes upper jaw and lower jaw, and upper jaw and lower part press from both sides Be provided with fixture aperture between head, be provided with the fixture bolt hole of coaxial line in upper jaw and lower jaw, upper jaw and It is plugged with steel plate between lower jaw, steel plate bolt hole corresponding with fixture bolt hole is provided on steel plate, fixing bolt passes through Steel plate and fixture to be fixed after wearing steel plate bolt hole and fixture bolt hole, steel plate is fixed in sample after passing through sample box aperture, Horizontal addload mechanism and Vertical loading mechanism are connect with pressure sensor respectively.
Preferably, being fixed with leveling bolt hole on the outside of sample box, it is connected with leveling bolt in leveling bolt hole, levels spiral shell Bolt is mutually crimped with steel plate.
Preferably, the size of force transmitting board is less than the size of sample box.
Preferably, horizontal pull bringing device includes motor, motor drives worm gear rotation, and worm gear is engaged with worm screw, snail Bar is flexibly connected by rotary shaft with fixture.
Preferably, the pressure sensor connecting with horizontal addload mechanism is S type tension sensor.
Preferably, the pressure sensor connecting with Vertical loading mechanism is spoke type pressure sensor.
It is provided with limiting groove preferably, being located on the outside of the fixture bolt hole of upper jaw, positioned at the folder of lower jaw It is provided with rubber thread bush on the inside of tool bolt hole, is respectively arranged with card at the top and bottom of the fixture bolt hole of lower jaw Slot, rubber thread bush side wall are provided with the bayonet lock with card slot interference fit.
A kind of test method of above-mentioned side resistance puller system, comprising the following steps:
Cement soil sample is prepared according to test requirements document, soil cement is respectively charged into multiple sample boxs after mixing evenly, and Steel plate is inserted into corresponding position, and sample is conserved;
After the completion of maintenance, sample box is put into sample box base and is adjusted in place, alignment jig makes steel plate be inserted into fixture, will Fixing bolt passes through fixture and steel plate is fixed;
The position for adjusting force transmitting board, is allowed to be covered in sample box top, applies burden pressure using jack, reaches test Keep pressure constant when required pressure value;
Start horizontal pull bringing device, gradually outside drawing and records value of thrust, records until extract completely by steel plate Repairing experiment data.
Brought beneficial effect is by adopting the above technical scheme: clamp of tensile machine of the invention is by upper and lower collet group At fixture front end prepared screw-bolt hole is used for the fixation of fixture and steel plate, avoids that opposite sliding occurs in steel plate drawing process;Equipment It is customized according to test requirements document, overall stability is high and sample box is detachable, can easily and accurately measure different setting conditions Collateral resistance (i.e. pulling capacity) built in lower soil cement in steel plate withdrawal process.
When applying horizontal pull, fixing bolt will receive biggish lateral pushing force, limiting groove and rubber thread bush Position limitation protection is carried out to the top of fixing bolt and bottom end respectively, realizes the protection to fixing bolt.When in application horizontal pull When, fixing bolt will receive biggish lateral pushing force, after fixing bolt is inserted into rubber thread bush, generates and squeezes to rubber thread bush Pressure realizes " automatic to reinforce locking " of rubber thread bush to keep contact of the card slot with bayonet lock stronger.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment 1.
Fig. 2 is the structure chart of sample box in embodiment 1.
Fig. 3 is the structure chart of embodiment 1 light plate and fixture connecting portion.
Fig. 4 is the structure chart of horizontal pull bringing device in embodiment 1.
Fig. 5 is the structure chart of embodiment 2 light plate and fixture connecting portion.
In figure: 1, sample box;2, sample box base;3, fixture;4, fixture bolt hole;5, horizontal pull bringing device;6, Horizontal reacting force frame;7, jack;8, motor;9, force transmitting board;10, vertical reaction frame;11, sample;12, steel plate;13, leveling bolt Hole;14, leveling bolt;15, fixing bolt;16, upper jaw;17, lower jaw;18, steel plate bolt hole;19, sample cartridge apertures Mouthful;20, fixture aperture;21, worm gear;22, worm screw;23, rotary shaft;24, limiting groove;25, rubber thread bush;26, card slot; 27, bayonet lock;28, reinforcing rib;29, flange.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering The conventional means such as connect, paste, this will not be detailed here.
Embodiment 1
As shown in Figs 1-4, the present invention includes sample box 1, horizontal addload mechanism and Vertical loading mechanism, is contained in sample box 1 It is placed with sample 11, the side wall of the sample box 1 is provided with sample box aperture 19;The Vertical loading mechanism includes vertical reaction frame 10, jack 7 is installed, 7 bottom of jack is welded with force transmitting board 9, fixed in vertical reaction frame 10 at the top of vertical reaction frame 10 There is sample box base 2, sample box 1 is placed on sample box base 2;The horizontal addload mechanism includes horizontal reacting force frame 6, horizontal Horizontal pull bringing device 5 is fixed on reaction frame 6, horizontal pull bringing device 5 is connected with fixture 3, and fixture 3 is pressed from both sides including top First 16 and lower jaw 17, fixture aperture 20, upper jaw 16 and lower part are provided between upper jaw 16 and lower jaw 17 It is provided with the fixture bolt hole 4 of coaxial line on collet 17, steel plate 12, steel plate are plugged between upper jaw 16 and lower jaw 17 Steel plate bolt hole 18 corresponding with fixture bolt hole 4 is provided on 12, fixing bolt 15 runs through steel plate bolt hole 18 and fixture After bolt hole 4 that steel plate 12 and fixture 3 is fixed, steel plate 12 is fixed in sample 11 after passing through sample box aperture 19, horizontal addload Mechanism and Vertical loading mechanism are connect with pressure sensor respectively.Leveling bolt hole 13, leveling bolt are fixed on the outside of sample box 1 Leveling bolt 14 is connected in hole 13, leveling bolt 14 is mutually crimped with steel plate 12.The size of force transmitting board 9 is less than sample box 1 Size.Horizontal pull bringing device 5 includes motor 8, and motor 8 drives worm gear 21 to rotate, and worm gear 21 is engaged with worm screw 22, worm screw 22 It is flexibly connected by rotary shaft 23 with fixture 3.The pressure sensor connecting with horizontal addload mechanism is S type tension sensor.With The pressure sensor of Vertical loading mechanism connection is spoke type pressure sensor.
A kind of test method of above-mentioned side resistance puller system, comprising the following steps:
Cement soil sample is prepared according to test requirements document, soil cement is respectively charged into multiple sample boxs 1 after mixing evenly, and Steel plate 12 is inserted into corresponding position, and sample 11 is conserved;
After the completion of maintenance, sample box 1 is put into sample box base 2 and is adjusted in place, alignment jig 3 makes the insertion folder of steel plate 12 Fixing bolt 15 is passed through fixture and steel plate is fixed by tool 3;
The position for adjusting force transmitting board 9, is allowed to be covered in 1 top of sample box, applies burden pressure using jack 7, reaches Keep pressure constant when pressure value needed for testing;
Start horizontal pull bringing device 5, by steel plate 12, gradually outside drawing and records value of thrust until extract completely, Interpretation of records test data.
Embodiment 2
Referring to Fig. 5, the present embodiment improves on the basis of embodiment 1.
It is provided with limiting groove 24 on the outside of the fixture bolt hole 4 of upper jaw 16, positioned at the fixture of lower jaw 17 Rubber thread bush 25 is provided on the inside of bolt hole 4, the top and bottom positioned at the fixture bolt hole 4 of lower jaw 17 are respectively set There is card slot 26,25 side wall of rubber thread bush is provided with the bayonet lock 27 being interference fitted with card slot 26.
Several axial reinforcing ribs 28 are uniformly fixed in 18 outside of steel plate bolt hole, the bottom of reinforcing rib 28 is fixed with The flange 29 of prominent 18 bottom margin of steel plate bolt hole.Flange 29 is crimped on the top of bayonet lock 27.When card slot 26 and bayonet lock 27 are inserted When connecing, flange 29 squeezes it, to realize the mutual extrusion limit between steel plate bolt hole 18 and fixture 3, avoids Steel plate 12 and fixture 3 are since small offset deviation is to the generation cross shear of fixing bolt 15.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (7)

1. a kind of side hinders puller system, including sample box (1), horizontal addload mechanism and Vertical loading mechanism, held in sample box (1) There are sample (11), it is characterised in that: the side wall of the sample box (1) is provided with sample box aperture (19);The Vertical loading machine Structure includes vertical reaction frame (10), is equipped with jack (7) at the top of vertical reaction frame (10), jack (7) bottom is welded with biography Power plate (9), vertical reaction frame (10) is interior to be fixed with sample box base (2), and sample box (1) is placed on sample box base (2);Institute Stating horizontal addload mechanism includes horizontal reacting force frame (6), is fixed on horizontal reacting force frame (6) horizontal pull bringing device (5), horizontal Tension application device (5) is connected with fixture (3), and fixture (3) includes upper jaw (16) and lower jaw (17), upper jaw (16) it is provided with fixture aperture (20), is provided in upper jaw (16) and lower jaw (17) same between lower jaw (17) The fixture bolt hole (4) of axis, is plugged with steel plate (12) between upper jaw (16) and lower jaw (17), and steel plate is set on (12) It is equipped with steel plate bolt hole (18) corresponding with fixture bolt hole (4), fixing bolt (15) is through steel plate bolt hole (18) and presss from both sides Steel plate (12) and fixture (3) are fixed after having bolt hole (4), steel plate (12) is fixed on sample after passing through sample box aperture (19) (11) in, horizontal addload mechanism and Vertical loading mechanism are connect with pressure sensor respectively;Fixture positioned at upper jaw (16) Limiting groove (24) are provided on the outside of bolt hole (4), is located on the inside of the fixture bolt hole (4) of lower jaw (17) and is provided with rubber Thread bush (25) is located at the top and bottom of the fixture bolt hole (4) of lower jaw (17) and is respectively arranged with card slot (26), rubber Thread bush (25) side wall is provided with the bayonet lock (27) with card slot (26) interference fit.
2. side according to claim 1 hinders puller system, it is characterised in that: be fixed with leveling spiral shell on the outside of the sample box (1) Keyhole (13) is connected with leveling bolt (14) in leveling bolt hole (13), and leveling bolt (14) is mutually crimped with steel plate (12).
3. side according to claim 1 hinders puller system, it is characterised in that: the size of the force transmitting board (9) is less than sample box (1) size.
4. side according to claim 1 hinders puller system, it is characterised in that: the horizontal pull bringing device (5) includes electricity Machine (8), motor (8) drive worm gear (21) rotation, and worm gear (21) engage with worm screw (22), worm screw (22) pass through rotary shaft (23) and Fixture (3) is flexibly connected.
5. side according to claim 1 hinders puller system, it is characterised in that: the pressure sensor being connect with horizontal addload mechanism For S type tension sensor.
6. side according to claim 1 hinders puller system, it is characterised in that: the pressure sensor being connect with Vertical loading mechanism For spoke type pressure sensor.
7. side described in a kind of the claims 1-6 any one resistance puller system test method, it is characterised in that including with Lower step:
Cement soil sample is prepared according to test requirements document, soil cement is respectively charged into multiple sample boxs (1) after mixing evenly, and in phase It answers position to be inserted into steel plate (12), sample (11) is conserved;
After the completion of maintenance, sample box (1) is put into sample box base (2) and is adjusted in place, alignment jig (3) inserts steel plate (12) Enter fixture (3), fixing bolt (15) are passed through into fixture and steel plate is fixed;
The position for adjusting force transmitting board (9), is allowed to be covered in sample box (1) top, applies burden pressure using jack (7), reaches Keep pressure constant when the pressure value to needed for testing;
Start horizontal pull bringing device (5), by steel plate (12), gradually outside drawing and records value of thrust until extract completely, Interpretation of records test data.
CN201810238757.2A 2018-03-22 2018-03-22 A kind of side resistance puller system and its test method Expired - Fee Related CN108489801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810238757.2A CN108489801B (en) 2018-03-22 2018-03-22 A kind of side resistance puller system and its test method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810238757.2A CN108489801B (en) 2018-03-22 2018-03-22 A kind of side resistance puller system and its test method

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CN108489801B true CN108489801B (en) 2019-07-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202928938U (en) * 2012-12-04 2013-05-08 中建五局土木工程有限公司 Pull-out test device for detecting friction characteristics of building reinforcement interface
CN103759957A (en) * 2013-12-25 2014-04-30 广西科技大学 Geogrid pull-out test device
JP2017026588A (en) * 2015-07-16 2017-02-02 一文機工株式会社 Pulling test machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202928938U (en) * 2012-12-04 2013-05-08 中建五局土木工程有限公司 Pull-out test device for detecting friction characteristics of building reinforcement interface
CN103759957A (en) * 2013-12-25 2014-04-30 广西科技大学 Geogrid pull-out test device
JP2017026588A (en) * 2015-07-16 2017-02-02 一文機工株式会社 Pulling test machine

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