CN103837471B - A kind of bond and anchor property pick-up unit of multi-functional easy assembling type - Google Patents
A kind of bond and anchor property pick-up unit of multi-functional easy assembling type Download PDFInfo
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- CN103837471B CN103837471B CN201410115359.3A CN201410115359A CN103837471B CN 103837471 B CN103837471 B CN 103837471B CN 201410115359 A CN201410115359 A CN 201410115359A CN 103837471 B CN103837471 B CN 103837471B
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Abstract
The invention discloses a kind of bond and anchor property pick-up unit of multi-functional easy assembling type, comprise assembling rotating disk, clip type assembling ground tackle, displacement transducer, frame assembly and four elongated steel threaded rods.Steel threaded rod upper end is connected with assembling rotating disk, and lower end is connected with frame assembly; Clip type assembling ground tackle is arranged between assembling rotating disk and test specimen to be measured, the end compact siro spinning technology of its lower end and test specimen to be measured, upper end and assembling rotating disk compact siro spinning technology; Displacement transducer one end is fixed on the muscle material of test specimen to be measured, and the other end contacts with test specimen to be measured through frame assembly.Structure of the present invention is simple, easily fill portable, can be used for detecting reinforcing bar (or the composition fiber muscle) bond and anchor property under monotonous closing load, reloading, particularly low cycle repetitive load and between concrete substrate, detection mode can centered by tension and compression, eccentric tension and compression, the relative tension and compression in two ends etc., the demand of scientific research or Site Detection can be met.
Description
Technical field
The invention belongs to Architectural Equipment field, relate to a kind of bond and anchor property pick-up unit, be specifically related to a kind of bond and anchor property pick-up unit of multi-functional easy assembling type.
Background technology
The effective adhesive that has between reinforcing bar (or composition fiber muscle) and concrete is the precondition that Concrete Structure structure normally works, and both bond and anchor properties, especially bonding-slip Constitutive Relation are the key issues in the research of Concrete Structure structural theory.Existing experimental study, when particularly repeating under loading or low-cycle loading condition, conventional universal hydraulic testing machine or partly cannot can only meet testing requirements, most testing equipments such as MTS electro-hydraulic servo testing machine that all adopt carry out, but this type of main equipment acquisition expenses is expensive, test site environmental requirement is relatively harsh, and therefore, what which greatly limits this field subject study carries out degree and the depth of investigation.
Summary of the invention
In order to solve above-mentioned technical matters, the invention provides that a set of principle of work is clear, the bond and anchor property pick-up unit of the simple multi-functional easy assembling type of structure.
The technical solution adopted in the present invention is: a kind of bond and anchor property pick-up unit of multi-functional easy assembling type, it is characterized in that: comprise the assembling rotating disk for adding unloading, the clip type assembling ground tackle of load can be monitored, can the displacement transducer of displacement monitoring, for the elongated steel threaded rod of frame assembly and four clamping test specimen to be measured, described steel threaded rod upper end is connected with assembling rotating disk, lower end is connected with frame assembly, described clip type assembling ground tackle is arranged between described assembling rotating disk and test specimen to be measured, the end compact siro spinning technology of its lower end and described test specimen to be measured, upper end and described assembling rotating disk compact siro spinning technology, described displacement transducer one end is fixed on the muscle material of test specimen to be measured, the other end contacts with test specimen to be measured through described frame assembly.
As preferably, described assembling rotating disk comprises one by the special-shaped steel cylinder of two block plate fixed clamp, four steel gasket rings and some balls, described special-shaped steel cylinder upper end is connected with the rotary handle of convenient operation, has the outer shroud being with annular slot rolling, have screw thread inside barrel outside barrel; A macropore is opened in described steel plate center, and radius ratio abnormity steel cylinder external diameter is bigger, and with the groove milling of special-shaped steel cylinder outer shroud opposite side, position is corresponding with the slot rolling of above-mentioned outer shroud; Described steel gasket ring is positioned between two block plates, and thickness is determined by the spacing of assembling rotating disk two block plate, and during in order to ensure to assemble, anchor bolt can make steel plate just fix special-shaped steel cylinder and don't cause stuck ball.
As preferably, described clip type assembling ground tackle comprises a strand tapered anchorage for anchor rib material and a pillar pull pressure sensor be attached thereto, described strand tapered anchorage sleeve outer is drilled with four bolts hole run through, and is connected with the ground tackle lid of top one with projecting thread bar by bolt; The upper and lower side of described pillar pull pressure sensor covers projecting thread quarter butt with a screw thread rod iron and ground tackle respectively and is closely connected, and each joint all welds.
As preferably, described frame assembly comprises two blocks of steel plates; Described steel threaded rod upper end is connected with the assembling rotating disk for adding unloading, and lower end is connected with two blocks of steel plates of clamping test specimen to be measured.
As preferably, described displacement transducer one end is fixed on the muscle material of test specimen to be measured, and other end pull bar contacts with test specimen to be measured through the aperture on clamping test pieces steel plate.
The principle of the invention is clear, structure is simple, can be used for detecting reinforcing bar (or the composition fiber muscle) bond and anchor property under monotonous closing load, reloading, particularly low cycle repetitive load and between concrete substrate, detection mode can centered by tension and compression, eccentric tension and compression, the relative tension and compression in two ends etc., the demand of scientific research or Site Detection can be met completely.
Accompanying drawing explanation
Fig. 1: the main TV structure schematic diagram being the embodiment of the present invention.
Fig. 2: the three-dimensional structure schematic diagram being the embodiment of the present invention.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1 and Fig. 2, the technical solution adopted in the present invention is: a kind of bond and anchor property pick-up unit of multi-functional easy assembling type, comprise the assembling rotating disk 1 for adding unloading, the clip type assembling ground tackle 2 of load can be monitored, can the displacement transducer 3 of displacement monitoring, for clamping frame assembly 4 and four elongated steel threaded rods 14 of test specimen 12 to be measured, assembling rotating disk 1 comprises one by the special-shaped steel cylinder 6 of two block plate 5 fixed clamp, four steel gasket rings 7, and some balls 8, abnormity steel cylinder 6 upper end is connected with the rotary handle of convenient operation, the outer shroud being with annular slot rolling is had outside barrel, screw thread is had inside barrel, a macropore is opened in steel plate 5 center, and radius ratio abnormity steel cylinder 6 external diameter is bigger, and with the groove milling of special-shaped steel cylinder 6 outer shroud opposite side, position is corresponding with the slot rolling of above-mentioned outer shroud, steel gasket ring 7 is positioned between two block plates, and thickness is determined by the spacing of assembling rotating disk 1 liang of block plate 5, and during in order to ensure to assemble, anchor bolt can make steel plate 5 fixing special-shaped steel cylinder 6 and unlikely stuck ball 8 just, clip type assembling ground tackle 2 comprises a pillar pull pressure sensor 10 be attached thereto for strand tapered anchorage 9 and of anchor rib material, strand tapered anchorage 9 sleeve outer is drilled with four bolts hole run through, and is connected with the ground tackle lid of top one with projecting thread bar by bolt, the upper and lower side of pillar pull pressure sensor 10 covers projecting thread quarter butt with a screw thread rod iron 11 and ground tackle respectively and is closely connected, and each joint all welds, frame assembly 4 comprises two blocks of steel plates 13, and steel threaded rod 14 upper end is connected with the assembling rotating disk 1 for adding unloading, and lower end is connected with two blocks of steel plates 13 of clamping test specimen to be measured, displacement transducer 3 one end is fixed on the muscle material of test specimen 12 to be measured, and other end pull bar contacts with test specimen 12 to be measured through the aperture on clamping test pieces steel plate 13.
The installation steps of the present embodiment and operation steps are:
1, installation steps:
Installation steps 1: the installation of test specimen 12 to be measured: by four steel threaded rods 14 successively through the circular hole being positioned at two blocks of steel plates 13 4 jiaos, put into test specimen 12 to be measured, make to be embedded in the circular hole of muscle material wherein through steel plate 13 middle in advance, the position of each bolt on adjustment threaded rod 14, in guarantee, lower steel plate just can be fixed, clamp test specimen 12 to be measured;
Installation steps 2: the installation of assembling ground tackle 2: by the loading end of strand tapered anchorage 9 sleeve through test specimen 12 muscle material to be measured, wedge intermediate plate is inserted and dense extrusion after making muscle material expose certain length, then the ground tackle lid being welded with pillar pull pressure sensor 10 and screw thread rod iron 11 is in advance installed, and through both prepared screw-bolt holes, its bolt is firm with bolt, ensure ground tackle lid and muscle material end close contact;
Installation steps 3: the installation of assembling rotating disk 1: by special-shaped steel cylinder about 6 two ends respectively through the macropore in the middle of a block plate 5, in the annular slot rolling that steel plate 5 is corresponding with special-shaped steel cylinder 6 outer shroud, place some balls 8 simultaneously, then the bolt being furnished with specific thicknesses steel gasket ring 7 with four is each passed through the bolt hole in the middle of steel plate 5 four limit and bolt is firm, form assembling rotating disk 1, strung finally by aforementioned four threaded rods 14, to appropriate location, (period need rotate the rotary handle on special-shaped steel cylinder 6 top to adjustment bolt, special-shaped sleeve 6 is engaged) with screw thread rod iron 11, form complete set pick-up unit as shown in Figure 1.
2, operation steps:
Operation steps 1: testing fixture: the position of finely tuning each bolt on steel plate 5 and threaded rod 14, guarantees the embedded ribs material vertical centering assembling rotating disk 1, clip type assembling ground tackle 2 and test specimen to be measured 12; Guarantee that each displacement transducer 3 contacts well with test specimen 12 to be measured; After inspection, a whole set of pick-up unit is fixed;
Operation steps 2: prestrain: the pillar pull pressure sensor 10 of having demarcated, displacement transducer 3 are connected with corresponding strainmeter, and the rotary handle rotating assembling rotating disk 1 carries out prestrain, checks whether device normally works;
Operation steps 3: formally load: uniform speed slow ground rotates rotary handle, ensures that loading velocity meets code requirement, records the registration of pillar pull pressure sensor 10 and each displacement transducer 3 simultaneously, until test specimen destroys or muscle material is extracted, loads and terminates.
The operation steps of the pick-up unit using method of this enforcement is suitable for operation steps when dullness loads, if repeat to load, when formally loading, need rotate backward rotary handle to complete unloading, then rotate forward handle loading; If low-cycle loading, when formally loading, rotary handle unloading need be rotated backward and Opposite side loading (due to ground tackle lid and muscle material close contact, live muscle material by ground tackle caping during Opposite side loading process and apply pressure);
The operation steps of the pick-up unit using method of this enforcement is suitable for the operation steps of one end loading, if when the relative tension and compression in two ends load, at the other end of test specimen to be measured, a set of identical clip type assembling ground tackle and assembling rotating disk need be installed, when formally loading, guarantee that two ends loading velocity is identical.
Although more employ the term such as assembling rotating disk 1, clip type assembling ground tackle 2, displacement transducer 3, frame assembly 4, steel plate 5, special-shaped steel cylinder 6, steel gasket ring 7, ball 8, strand tapered anchorage 9, pillar pull pressure sensor 10, screw thread rod iron 11, test specimen to be measured 12, steel plate 13, threaded rod 14 herein, do not get rid of the possibility using other terms.Use these terms to be only used to describe essence of the present invention more easily, the restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that the claims in the present invention protect; can also make and replacing or distortion, all fall within protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (4)
1. the bond and anchor property pick-up unit of a multi-functional easy assembling type, comprise the assembling rotating disk (1) for adding unloading, clip type assembling ground tackle (2) of load can be monitored, can the displacement transducer (3) of displacement monitoring, for the elongated steel threaded rod (14) of frame assembly (4) and four clamping test specimen to be measured (12), described steel threaded rod (14) upper end is connected with assembling rotating disk (1), lower end is connected with frame assembly (4), described clip type assembling ground tackle (2) is arranged between described assembling rotating disk (1) and test specimen to be measured (12), the end compact siro spinning technology of its lower end and described test specimen to be measured (12), upper end and described assembling rotating disk (1) compact siro spinning technology, described displacement transducer (3) one end is fixed on the muscle material of test specimen to be measured (12), the other end contacts with test specimen to be measured (12) through described frame assembly (4),
It is characterized in that: described assembling rotating disk (1) comprises one by the special-shaped steel cylinder (6) of two block plates (5) fixed clamp, four steel gasket rings (7) and some balls (8), described special-shaped steel cylinder (6) upper end is connected with the rotary handle of convenient operation, there is the outer shroud being with annular slot rolling outside barrel, inside barrel, have screw thread; A macropore is opened in described steel plate (5) center, and radius ratio abnormity steel cylinder (6) external diameter is bigger, and with the groove milling of special-shaped steel cylinder (6) outer shroud opposite side, position is corresponding with the slot rolling of above-mentioned outer shroud; Described steel gasket ring (7) is positioned between two block plates, and thickness is determined by the spacing of assembling rotating disk (1) two block plate (5), and during in order to ensure to assemble, anchor bolt can make steel plate (5) fixing special-shaped steel cylinder (6) and unlikely stuck ball (8) just.
2. the bond and anchor property pick-up unit of multi-functional easy assembling type according to claim 1, it is characterized in that: described clip type assembling ground tackle (2) comprises a strand tapered anchorage for anchor rib material (9) and a pillar pull pressure sensor (10) be attached thereto, described strand tapered anchorage (9) sleeve outer is drilled with four bolts hole run through, and is connected with the ground tackle lid of top one with projecting thread bar by bolt; The upper and lower side of described pillar pull pressure sensor (10) covers projecting thread quarter butt with a screw thread rod iron (11) with ground tackle respectively and is closely connected, and each joint all welds.
3. the bond and anchor property pick-up unit of multi-functional easy assembling type according to claim 1, it is characterized in that: described frame assembly (4) comprises two pieces of steel plates (13), described steel threaded rod (14) upper end is connected with the assembling rotating disk (1) for adding unloading, and lower end is connected with two pieces of steel plates (13) of clamping test specimen to be measured.
4. the bond and anchor property pick-up unit of multi-functional easy assembling type according to claim 3, it is characterized in that: described displacement transducer (3) one end is fixed on the muscle material of test specimen to be measured (12), other end pull bar contacts with test specimen to be measured (12) through the aperture on clamping test pieces steel plate (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410115359.3A CN103837471B (en) | 2014-03-26 | 2014-03-26 | A kind of bond and anchor property pick-up unit of multi-functional easy assembling type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410115359.3A CN103837471B (en) | 2014-03-26 | 2014-03-26 | A kind of bond and anchor property pick-up unit of multi-functional easy assembling type |
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| CN103837471A CN103837471A (en) | 2014-06-04 |
| CN103837471B true CN103837471B (en) | 2015-12-30 |
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| CN104833631B (en) * | 2015-02-04 | 2017-11-17 | 三峡大学 | Self-balancing type armored concrete bond and anchor property tester |
| CN105003078B (en) * | 2015-06-25 | 2017-01-11 | 天津市建筑设计院 | Assembly structure for exerting prestress in cross section center of steel structure module framework post |
| CN105021522A (en) * | 2015-07-01 | 2015-11-04 | 三峡大学 | Bond-slip property detection device, reinforcing bar slotting and strain gauge protection method |
| CN105181580A (en) * | 2015-08-26 | 2015-12-23 | 河海大学 | Device for testing steel bar bond stress in concrete filled steel tube and testing method thereof |
| CN105181588A (en) * | 2015-10-21 | 2015-12-23 | 江苏城市职业学院 | Device for determining adhesive property of steel bars and concrete in extruding manner and testing method of device |
| CN105486634B (en) * | 2016-01-15 | 2017-12-26 | 郑州大学 | Steel fibre bonds pull system and test method |
| CN106018270B (en) * | 2016-05-10 | 2018-07-13 | 大连理工大学 | A kind of pull-out test device being suitable for enhancing muscle material bonding-sliding Hysteresis Behavior test |
| CN106289977B (en) * | 2016-08-15 | 2023-02-28 | 南宁学院 | Bolt concrete tensile test device and test method |
| CN107764738B (en) * | 2017-10-26 | 2021-02-02 | 吉林建筑大学 | Steel fiber drawing device in concrete |
| CN108225927A (en) * | 2017-12-14 | 2018-06-29 | 武汉科技大学 | A kind of intelligent reaction frame and test device for pull-out test |
| CN108088756B (en) * | 2018-01-31 | 2023-09-12 | 福州大学 | Experimental device for researching FRP-concrete interface bonding performance and application method thereof |
| CN110174349B (en) * | 2019-05-09 | 2022-02-18 | 太原理工大学 | Push-out test device and method for high-temperature compression steel plate-concrete composite plate |
| CN110426344A (en) * | 2019-08-26 | 2019-11-08 | 河海大学 | A kind of self-balancing type reinforcing bar and concrete binding sliding test device and test method |
| CN113484233A (en) * | 2021-06-24 | 2021-10-08 | 中国建筑第八工程局有限公司 | Fiber composite material rod and binder interface slippage performance testing device and method |
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