CN205384216U - Adhesion strength and coefficient of friction's test device between measurement building material - Google Patents
Adhesion strength and coefficient of friction's test device between measurement building material Download PDFInfo
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- CN205384216U CN205384216U CN201620094851.1U CN201620094851U CN205384216U CN 205384216 U CN205384216 U CN 205384216U CN 201620094851 U CN201620094851 U CN 201620094851U CN 205384216 U CN205384216 U CN 205384216U
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Abstract
The utility model relates to an adhesion strength and coefficient of friction's test device between measurement building material, include the vertical loading device who applys vertical load to the test piece, vertical loading device's two offsides are equipped with horizontal loading device and test piece retention device respectively, horizontal loading device is right the lateral load is applyed at the middle part of test piece, the test piece retention device stagger horizontal loading device's horizontal position acts on the effect that transversely blocks is played to the upper portion and the lower part of test piece. The utility model provides a to building material adhesion strength and coefficient of friction test device and application method, can be used to coefficient of friction and bond property's experiment between single building material and the multiple different building material, can be used for building material's vertical shear test moreover, the utility model discloses can be applied to the not unidimensional test material of monitoring, it is minimum to test material's restriction. Model processing is convenient, easily dismantles and carries, can reuse.
Description
Technical field
This utility model belongs to construction material detection technique field, is specifically related to measure the assay device of adhesion strength and coefficient of friction between construction material.
Background technology
At present, Building Trade in China is laid equal stress on period from entrance in extensive newly-built period is newly-built with maintenance.At present, the house of China nearly 50% has reached the life-span of design reference period, enters the ageing step, and large quantities of buildings face endurance issues.Xoncrete structure applies maximum structure types as in contemporary building and hydraulic engineering, to be widely used in the engineering such as hydraulic engineering, civil buildings, road and Qiao work distant, extra large and harbour, nuclear power station and military protection.In the method that concrete structure design theory is reinforced, section-increased method, Covered with Angles method etc. are a comparative maturity and the wider reinforcement measure of application, and emerging reinforcement means is all reliable method as pasted glass epoxy method, pasting CFRP Sheet Strengthening Method etc..Said method is directed to the purpose that the bonding of one or more materials reaches to reinforce.Non-load bearing wall in part non bearing structure such as building in new construction by building block and assists the purpose reaching to be formed entirety with cement bonding agent simultaneously, and adopts cement mortar bonding slabstone in the load-carrying members of part building such as Masonry Retaining Wall.These structures above-mentioned be all by material between bonding and friction undertake.
But the research suitable in adhesive property between construction material and frictional behaviour is less so far, assay device rare people especially studies.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that measure the assay device of adhesion strength and coefficient of friction between construction material.
In order to reach above-mentioned purpose, this utility model adopts the following technical scheme that
Measuring the assay device of adhesion strength and coefficient of friction between construction material, including the vertical loading device that test specimen applies vertical load, two offsides of described vertical loading device are respectively equipped with horizontal charger and test specimen retention device；The middle part of described test specimen is applied lateral load by described horizontal charger, and described test specimen retention device staggers the horizontal level of described horizontal charger, and transverse barriers effect is played in the upper and lower acting on described test specimen.
When the adhesive surface of test specimen or rubbing surface are between test specimen retention device and horizontal charger the position staggered, it can be ensured that test specimen is at adhesive surface place sheared destruction, thus realizing the detection to adhesive property between construction material and frictional behaviour.This device can be used for the test of the coefficient of friction between single construction material and multiple different construction material and adhesive property, further, it is also possible to the vertical shearing for construction material is tested.
Described horizontal charger includes the horizontal jack that described test specimen applies lateral load, and the rear end of described horizontal jack is by pressure transducer and the close contact of the first vertical reaction beam.
Described horizontal charger includes vertical lifting device, and described vertical lifting device includes vertical lifting jack and bearing platform；The cross sectional shape of described bearing platform is L-shaped, and described horizontal jack is placed on described vertical lifting jack by the horizontal plate of described bearing platform, and described pressure transducer is by being positioned at riser and the described first vertical reaction beam close contact at described bearing platform rear.
Being vertically arranged the first guide rail along the described first vertical reaction beam, described bearing platform is provided with and the pulley of described first guide rail cooperating.
The piston rod end of described horizontal jack is provided with push pedal, and described push pedal and described piston rod end are rigidly connected.
Described vertical loading device includes reaction frame, vertical jack and for placing the base of described test specimen；The top of described vertical jack is fixing with the top cross-bar of described reaction frame to be connected, and described base is located at the underface of described vertical jack, along the pressure transducer being vertically axially arranged with to measure described vertical load of described base.
The piston rod end of described vertical jack is provided with rigidly connected bearing plate.
Preferably, described base is provided with opening up hemisphere groove, and being provided with inside hemisphere groove can along the balance hemisphere of described hemisphere groove inwall relative motion, and the top of described balance hemisphere is provided with to carry the loading plate of described test specimen.Base can reach the effect of self-balancing under Gravitative Loads by its balance hemisphere and the rolling of domed base, it is prevented that the situation of test specimen discontinuity in process of the test and bias.
Be provided with gripper shoe between described base and pressure transducer, gripper shoe to base with support force；Base plate is set to pressure transducer with support force bottom described pressure transducer；Between described gripper shoe and pressure transducer, garter spring is set, it is prevented that between gripper shoe and pressure transducer, produce relative motion.
Described test specimen retention device includes two baffle plates directly acting on described test specimen, and described baffle plate is connected by horizontal extension bar and the second vertical reaction beam.
The centre position of two described baffle plates is provided with the displacement transducer acted on described test specimen, and institute's displacement sensors is connected with the described second vertical reaction beam by horizontal extension bar.
It is vertically arranged the second guide rail along the described second vertical reaction beam, the end of described horizontal extension bar is provided with and the pulley of described second guide rail cooperating, described horizontal extension boom end and the second rail attachment point have the clamp device height in order to fixing horizontal extension bar, it is to avoid horizontal extension bar is from line slip.
The left and right sides of described push pedal and described baffle plate is provided with the limiting plate preventing described test specimen from skidding off.
Measure the test method of adhesion strength and coefficient of friction between construction material, comprise the following steps:
Step 1: fixing test specimen, applies vertical load to described test specimen；
Step 2: the middle part of described test specimen is applied lateral load, and the upper and lower of described test specimen arranges the stop member limiting described test specimen transverse movement in the position of the described lateral load that staggers；
Step 3: by measuring the value of lateral displacement of the vertical load value, lateral load value and the described test specimen medium position that apply to described test specimen, it is thus achieved that the adhesion strength of described test specimen and coefficient of friction.
In step 2, the adhesive surface of described test specimen is placed between described lateral load and described stop member the position staggered.
The beneficial effects of the utility model are:
1, the utility model proposes a kind of for construction material adhesion strength and Test of Friction device and using method, can be used for the test of the coefficient of friction between single construction material and multiple different construction material and adhesive property, and may be used for the vertical shearing test of construction material.
2, this utility model can apply to monitor various sizes of test material, and the restriction of test material is minimum.
3, mould processing is convenient, it is easy to dismounting and carrying, it is possible to recycling.
Accompanying drawing explanation
Fig. 1 assay device side view；
Fig. 2 transverse direction charger figure；
Fig. 3 vertical lifting installation drawing；
Fig. 4 vertical loading device figure；
Fig. 5 balance base detail drawing；
Fig. 6 displacement monitor figure；
In figure: 1. base, 2. horizontal charger, 3. vertical loading device, 4. displacement monitor, 5. vertical beam, 6. vertical lifting device, 7. pressure transducer, 8. laterally load jack, 9. push pedal, 10. guide rail, 11. pulleys, 12. bearing platforms, 13. vertically load jack, 14. reaction frames, 15. loading plates, 16. test materials, 17. balance base, 18. balance hemisphere, 19. hemispherical bases, 20. garter springs, 21. pressure transducer, 22. expansion links, 23. baffle plates, 24. displacement transducers.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
As it is shown in figure 1, one is for adhesion strength between construction material and Test of Friction device, from left to right include base 1, horizontal charger 2, vertical loading device 3, displacement monitor 4.Adopt balance base to place and prevent test material stress bias situation；Vertical lifting system is adopted to adapt to the test material of different vertical dimension；Expansion link is adopted to adapt to the test material of different lateral dimension；Adopt the mode applying vertical load on test material top；The mode by pressure transducer is installed in the base is adopted to monitor vertical pressure；Displacement transducer is adopted to monitor the adhesion strength between construction material and coefficient of friction；Employing vertical beam provides counter-force required when laterally loading；Push pedal and baffle plate is adopted to carry out the uniformity of guarantee test material stress；The multiple tests such as the unconfined compression test of construction material, bonding strength test, Test of Friction can be carried out.
As in figure 2 it is shown, horizontal charger 2 includes vertical beam 5, vertical lifting device 6, pressure transducer 7, laterally loading jack 8, push pedal 9；In order to provide lateral load when adhesive property and frictional behaviour detection.Laterally load jack 8 to be rigidly connected with push pedal 9, and be easy to test material 16 is applied lateral load by the center that horizontal jack is placed in push pedal.
As it is shown on figure 3, vertical lifting device 6 includes guide rail 10, pulley 11, bearing platform 12；In order to meet different scantlings.Wherein vertical loading device is in order to adapt to the size of different materials.
As shown in Figure 4, vertical loading device 3 includes vertically loading jack 13, reaction frame 14, loading plate 15, balance base 17, in order to provide vertical load when adhesive property and coefficient of friction detection.
As it is shown in figure 5, balance base 17 includes loading plate 15, balance hemisphere 18, hemispherical base 19, garter spring 20, pressure transducer 21.Balance base 17 arranges hemisphere groove, within it rotate for balance hemisphere 18, balance hemisphere 18 and hemisphere groove make generation relative motion therebetween to reach the purpose of balance, be put into by balance hemisphere 18 in hemisphere groove only to balancing hemisphere just meeting level when being placed on experiment above material complete equipilibrium.Balance base 17 can reach the effect of self-balancing under Gravitative Loads by its balance hemisphere 18 and the rolling of hemispherical base 19, it is prevented that the situation of test material 16 discontinuity in process of the test and bias.Balance base 17 can be passed through pressure transducer 21 simultaneously and monitor the change of vertical load.The vertical bottom loading jack 13 is rigidly connected with reaction frame 14, and telescopic end and loading plate are rigidly connected.
As shown in Figure 6, displacement monitor includes vertical beam 5, expansion link 22, baffle plate 23, displacement transducer 24, in order to the displacement of monitoring test process in which materials, the value of threshold friction and ultimate shearing resistance to judge material.Various sizes of test material is adapted to by the Telescopic of vertical guide 10, pulley 11 and expansion link 22.The motion of upper and lower two blocks of test materials can be stopped by baffle plate 23, reaches the purpose of only one piece of test material transverse movement.Baffle plate and the position cut of push pedal adjustment material can also be passed through when carrying out the shearing test of material.Displacement transducer 24 is in order to detect the displacement of test material, it is possible to judged threshold friction and the limit cohesion of material by displacement.
The using method of this utility model assay device is as follows:
Step 1: mounting seat 1, reaction frame 14 and vertical beam 5；
Step 2: assembling horizontal charger 2, displacement monitor 4 and balance base 17, it is installed on base 1 by balance base 17, horizontal charger 2 and displacement monitor 4 are installed on vertical beam 5；
Step 3: being installed on reaction frame 14 by the vertical jack 13 that loads in vertical loading device 3, model installs；
Step 4: test material 16 is placed in balance base 17；
Step 5: test material 16 is applied certain vertical load by vertical loading device 3, monitors the size of vertical pressure by the pressure transducer 21 in balance base 17；
Step 6: by vertical lifting device 6, the push pedal 9 in horizontal charger 2 is directed at the test material 16 of centre.By the guide rail 10 in displacement monitor 4 and pulley 11 expansion link 22 with baffle plate 23 is respectively aligned to the test material 16 of upper and lower, and is directed at the test material 16 of centre with the expansion link 22 of displacement transducer 24；
Step 7: use horizontal charger 2 that middle test material 16 is applied lateral load, monitored the size of lateral load by the pressure transducer 7 in horizontal charger 2, detected the displacement size of intermediate experiment material 16 by the displacement transducer 24 in displacement monitor 4.
Embodiment:
1, the Test of Friction of concrete block material:
(1) test model is assembled；
(2) the concrete block material of prefabricated 3 pieces of 60*60*20；
(3) concrete block material is placed in balance base；
(4) by vertical loading device, test material is applied certain vertical load, by the size of the pressure sensor monitoring vertical pressure in balance base；
(5) by vertical lifting device by the test material in the middle of the push pedal alignment in horizontal charger.By the guide rail in displacement monitor and pulley baffled expansion link is respectively aligned to the test material of upper and lower, and with the expansion link of displacement transducer be directed in the middle of test material；
(6) use horizontal charger that middle test material is applied lateral load, by the size of the pressure sensor monitoring lateral load in horizontal charger, detected the displacement size of intermediate experiment material by the displacement transducer in displacement detector.
2, Test about Bond Strength between concrete:
(1) test model is assembled；
(2) the concrete block material of prefabricated 3 pieces of 60*60*20, and by different binding agents, 3 block concrete blocks are bonded as entirety；
(3) concrete block material is placed in balance base；
(4) by vertical loading device, test material is applied certain vertical load, by the size of the pressure sensor monitoring vertical pressure in balance base；
(5) by vertical lifting device by the test material in the middle of the push pedal alignment in horizontal charger.By the guide rail in displacement monitor and pulley baffled expansion link is respectively aligned to the test material of upper and lower, and with the expansion link of displacement transducer be directed in the middle of test material；
(6) use horizontal charger that middle test material is applied lateral load, by the size of the pressure sensor monitoring lateral load in horizontal charger, detected the displacement size of intermediate experiment material by the displacement transducer in displacement detector.
3, the bending test of beams of concrete:
(1) test model is assembled；
(2) prefabricated beams of concrete is placed in balance base；
(3) by vertical lifting device by the test material in the middle of the push pedal alignment in horizontal charger.By the guide rail in displacement monitor and pulley, baffled expansion link is respectively aligned to the upper and lower of beams of concrete；
(4) use horizontal charger that middle test material is applied lateral load, by the size of the pressure sensor monitoring lateral load in horizontal charger, record the ultimate shearing resistance of beams of concrete.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of embodiment be will be apparent from for those skilled in the art, generic principles defined herein can when without departing from spirit or scope of the present utility model, realize in other embodiments, the part not being described in detail, for prior art, do not repeat at this.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and feature.
Claims (10)
1. measuring the assay device of adhesion strength and coefficient of friction between construction material, it is characterized in that, including the vertical loading device that test specimen applies vertical load, two offsides of described vertical loading device are respectively equipped with horizontal charger and test specimen retention device；The middle part of described test specimen is applied lateral load by described horizontal charger, and described test specimen retention device staggers the horizontal level of described horizontal charger, and transverse barriers effect is played in the upper and lower acting on described test specimen.
2. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 1, it is characterized in that, described horizontal charger includes the horizontal jack that described test specimen applies lateral load, and the rear end of described horizontal jack is by pressure transducer and the close contact of the first vertical reaction beam.
3. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 2, is characterized in that, described horizontal charger includes vertical lifting device, and described vertical lifting device includes vertical lifting jack and bearing platform.
4. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 3, the cross sectional shape of described bearing platform is L-shaped, described horizontal jack is placed on described vertical lifting jack by the horizontal plate of described bearing platform, and described pressure transducer is by being positioned at riser and the described first vertical reaction beam close contact at described bearing platform rear.
5. as claimed in claim 3 measuring the assay device of adhesion strength and coefficient of friction between construction material, it is characterized in that, be vertically arranged the first guide rail along the described first vertical reaction beam, described bearing platform is provided with and the pulley of described first guide rail cooperating；The piston rod end of described horizontal jack is provided with push pedal, and described push pedal and described piston rod end are rigidly connected.
6. as claimed in claim 1 measuring the assay device of adhesion strength and coefficient of friction between construction material, it is characterized in that, described vertical loading device includes reaction frame, vertical jack and for placing the base of described test specimen；The top of described vertical jack is fixing with the top cross-bar of described reaction frame to be connected, and described base is located at the underface of described vertical jack, along the pressure transducer being vertically axially arranged with to measure described vertical load of described base.
7. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 6, it is characterized in that, described base is provided with opening up hemisphere groove, being provided with inside hemisphere groove can along the balance hemisphere of described hemisphere groove inwall relative motion, and the top of described balance hemisphere is provided with to carry the loading plate of described test specimen.
8. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 6, is characterized in that, the piston rod end of described vertical jack is provided with rigidly connected bearing plate；Be provided with gripper shoe between described base and pressure transducer, gripper shoe to base with support force；Base plate is set to pressure transducer with support force bottom described pressure transducer；Between described gripper shoe and pressure transducer, garter spring is set.
9. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 5, it is characterized in that, described test specimen retention device includes two baffle plates directly acting on described test specimen, and described baffle plate is connected by horizontal extension bar and the second vertical reaction beam；The centre position of two described baffle plates is provided with the displacement transducer acted on described test specimen, and institute's displacement sensors is connected with the described second vertical reaction beam by horizontal extension bar.
10. the assay device of adhesion strength and coefficient of friction between measurement construction material as claimed in claim 9, it is characterized in that, it is vertically arranged the second guide rail along the described second vertical reaction beam, the end of described horizontal extension bar is provided with and the pulley of described second guide rail cooperating, described horizontal extension boom end and the second rail attachment point have the clamp device height in order to fixing horizontal extension bar, it is to avoid horizontal extension bar is from line slip；The left and right sides of described push pedal and described baffle plate is provided with the limiting plate preventing described test specimen from skidding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094851.1U CN205384216U (en) | 2016-01-29 | 2016-01-29 | Adhesion strength and coefficient of friction's test device between measurement building material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094851.1U CN205384216U (en) | 2016-01-29 | 2016-01-29 | Adhesion strength and coefficient of friction's test device between measurement building material |
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| CN205384216U true CN205384216U (en) | 2016-07-13 |
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| CN201620094851.1U Expired - Fee Related CN205384216U (en) | 2016-01-29 | 2016-01-29 | Adhesion strength and coefficient of friction's test device between measurement building material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628609A (en) * | 2016-01-29 | 2016-06-01 | 山东大学 | Experimental device and method for measuring bonding strength and friction coefficient among building materials |
| CN106644929A (en) * | 2017-01-18 | 2017-05-10 | 北京工业大学 | Measuring device and measuring method of friction factors between concrete and mold plate |
| CN110146441A (en) * | 2019-06-14 | 2019-08-20 | 辽宁工程技术大学 | For measuring the experimental rig of the dynamic friction coefficient of concrete structure and the soil body |
-
2016
- 2016-01-29 CN CN201620094851.1U patent/CN205384216U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628609A (en) * | 2016-01-29 | 2016-06-01 | 山东大学 | Experimental device and method for measuring bonding strength and friction coefficient among building materials |
| CN105628609B (en) * | 2016-01-29 | 2019-03-01 | 山东大学 | The experimental rig and method of adhesion strength and coefficient of friction between measurement construction material |
| CN106644929A (en) * | 2017-01-18 | 2017-05-10 | 北京工业大学 | Measuring device and measuring method of friction factors between concrete and mold plate |
| CN110146441A (en) * | 2019-06-14 | 2019-08-20 | 辽宁工程技术大学 | For measuring the experimental rig of the dynamic friction coefficient of concrete structure and the soil body |
| CN110146441B (en) * | 2019-06-14 | 2021-07-27 | 辽宁工程技术大学 | Test device for measuring dynamic friction coefficient of concrete structure and soil body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20170129 |