The experimental provision and method of adhesive strength and friction coefficient between a kind of measurement construction material
Technical field
The present invention relates to construction material detection device field, adhesive strength and friction between specially a kind of measurement construction material
The experimental provision and method of coefficient.
Background technology
At present, Building Trade in China enters newly-built and repair from extensive newly-built period and lays equal stress on period.At present, China is big
House there are about 50% has reached the service life of design reference period, and into the ageing step, large quantities of buildings face endurance issues.Coagulation
Soil structure as in contemporary building and hydraulic engineering using most structure types, to be widely used in hydraulic engineering, civilian build
Build, road and bridge, the extra large engineerings such as work and harbour, nuclear power station and military protection.In the method reinforced in concrete structure design theory
Section-increased method, Covered with Angles method etc. are a comparative maturities and apply wider reinforcement measure, and emerging reinforcement means is such as
It is all reliable method to paste glass epoxy method, paste CFRP Sheet Strengthening Method etc..The above method is directed to a kind of or more
The bonding of material is planted to achieve the purpose that reinforcing.Non-load bearing wall in part non bearing structure such as building in new construction simultaneously
By building block and assist achieving the purpose that be formed whole and part building load-carrying members such as bricklaying with cement bonding agent
Slabstone is bonded using cement mortar in retaining wall.These above-mentioned structures are undertaken by the bonding between material and friction,
This just needs the experimental provision and method of adhesive strength and friction coefficient between a kind of measurement construction material.
Invention content
The purpose of the present invention is to provide it is a kind of measure between construction material the experimental provision of adhesive strength and friction coefficient and
Method, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution:It adhesive strength and rubs between a kind of measurement construction material
The experimental provision of coefficient is wiped, including pedestal, column is both provided at left and right sides of the base top, is set at the top of the column
Top plate is equipped with, the centre of the top plate bottom is provided with vertical loading jack, the bottom setting of the vertical loading jack
There is upper fixture, the top movable of the pedestal is provided with support plate, connection is both provided at left and right sides of the support plate bottom
Block, the bottom of the link block are provided with pulley, the sliding slot to match with pulley, the support are provided at the top of the pedestal
The left and right sides at the top of plate is both provided with gag lever post, and the gag lever post includes limit casing, the top of the limit casing inner cavity
Activity is plugged with limiting inserted link, and the bottom limited at left and right sides of inserted link is provided with limiting pulley, and limits the side of pulley
It is bonded with the internal chamber wall of limit casing, lower fixture is provided at the top of the gag lever post, the lower fixture and upper fixture include
Clamping plate, the adjacent surface of clamping plate described in two groups are both provided with fluting, are both provided with bearing block at left and right sides of the fluting inner cavity, institute
The inner cavity for stating bearing block is plugged with threaded rod, and the equal movable sleeve in the left and right sides of the threaded rod is connected to screwed pipe, and two groups of casings
Inner wall on be provided with positive/negative thread channel, and positive/negative thread channel is adapted with threaded rod, the setting of the top of the screwed pipe
There is fixture block, the right end of the threaded rod is provided with turntable, and the centre of the lower clamp base is provided with vertical pressure sensor, and
The bottom of vertical pressure sensor and the top of support plate connect, and the bottom on the right side of the column of left side is provided with laterally loading thousand
Jin top, described laterally load on the right side of jack are provided with transverse pressure sensor, and the right side of transverse pressure sensor and branch
The left side of fagging connects, and the bottom on the left of the column of right side is provided with telescopic rod, and displacement is provided on the left of the telescopic rod
Sensor, the bottom of the pedestal are evenly arranged with support feet.
Preferably, the support feet includes supporting sleeve, and the top movable of the supporting sleeve inner cavity is plugged with support
Inserted link, the bottom activity of the supporting sleeve inner cavity are plugged with lower support inserted link, and the inner cavity of the supporting sleeve is provided with interior spiral shell
Line, upper support are provided with the positive external screw thread to match with internal thread on the outside of inserted link, set on the outside of the lower support inserted link
It is equipped with the anti-external screw thread to match with internal thread.
Preferably, guide rod is both provided at left and right sides of the upper fixture, the other end of the guide rod is provided with directive wheel,
The adjacent surface of column is both provided with the guide groove to match with directive wheel described in two groups.
Preferably, the support plate, transverse pressure sensor and displacement sensor are on same horizontal line, the vertical pressure
Sensor, lower fixture and upper fixture are on same vertical line.
Preferably, the sum of length of the shortest length of the telescopic rod and displacement sensor, less than sliding slot right end to right side uprights
Left side horizontal distance.
Preferably, the bottom of the lower support inserted link is provided with rubber pad, and the bottom of the rubber pad is provided with abrasion resistant convex
Grain, and the vertical section semicircular in shape of abrasion resistant convex grain.
Preferably, it is a kind of based on measure construction material between the experimental provision of adhesive strength and friction coefficient method, step
Including:
S1:It checks whether each structure of the device is intact, two pieces of experiment materials is placed on lower fixture, and one piece of experiment material
It is placed in another piece of experiment material, lower fixture is clamped by the spacing between rotating turntable two groups of fixture blocks of adjusting positioned at lower section
Experiment material, the vertical jack that loads pushes upper fixture to move down, after upper fixture is bonded with the experiment material being located above, upper folder
Tool clamps the experiment material being located above by the spacing between rotating turntable two groups of fixture blocks of adjusting;
S2:After clamping, the vertical pressure for loading jack and applying longitudinal direction to two groups of experiment materials, vertical pressure sensor note
The pressure of longitudinal direction is recorded, jack is laterally loaded and pushes away support plate to the right, transverse pressure sensor record transverse pressure passes through support
Plate and lower fixture drive underlying experiment material to move right, and the experiment material of upper fixture clamping position and top does not move,
Shift length is recorded by displacement sensor, carries out friction coefficient detection;
S3:After the completion of friction coefficient detection, two pieces of experiment materials are pasted together and are placed on lower fixture, and one block of experiment material
For material in another piece of experiment material, lower fixture clamps underlying experiment material, and the vertical jack that loads is pushed under upper fixture
It moves, after upper fixture is bonded with the experiment material being located above, upper fixture clamps the experiment material being located above;
S4:After clamping, the vertical pressure for loading jack and applying longitudinal direction to two groups of experiment materials, vertical pressure sensor note
The pressure of longitudinal direction is recorded, jack is laterally loaded and pushes away support plate to the right, transverse pressure sensor record transverse pressure passes through support
Plate and lower fixture drive underlying experiment material to move right, and the experiment material of upper fixture clamping position and top does not move,
Shift length is recorded by displacement sensor, carries out adhesive strength detection.
Compared with prior art, the beneficial effects of the invention are as follows:
1. lower fixture clamps underlying experiment material, upper fixture clamps the experiment material being located above, and vertically loads very heavy
The pressure for applying longitudinal direction to two groups of experiment materials is pushed up, it is underlying by support plate and the drive of lower fixture laterally to load jack
Experiment material moves right, and two groups of experiment materials are carried out with friction coefficient and adhesive strength is tested;
2. rotating turntable, by the matching of external screw thread and positive and negative internal thread, the spacing between two groups of fixture blocks, clamping experiment material are adjusted
Material makes the fixture can be adapted for experiment material of all sizes, the presence of directive wheel reduce guide rod and guide groove it
Between friction, guide rod plays guiding role, can move up and down upper fixture, and cannot move left and right;
3. the rubber pad with abrasion resistant convex grain has the function of damping and buffering, and plays anti-skidding effect, supported by rotating
Casing adjusts the height of support feet, and the top holding for making pedestal is horizontal, when support plate moves to the right end of sliding slot, will not squeeze
Displacement sensor is pressed onto, displacement sensor is caused to damage.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is upper fixture schematic diagram of the present invention;
Fig. 3 is gag lever post sectional view of the present invention;
Fig. 4 is support feet figure of the present invention.
In figure:1 pedestal, 2 columns, 3 top plates, 4 vertical loading jack, 5 upper fixtures, 51 clamping plates, 52 flutings, 53 bearings
Seat, 54 threaded rods, 55 screwed pipes, 56 fixture blocks, 57 turntables, 6 guide rods, 7 directive wheels, 8 guide grooves, 9 support plates, 10 link blocks,
11 pulleys, 12 sliding slots, 13 gag lever posts, 131 limit casings, 132 limiting inserted links, 133 limiting pulleys, 14 times fixtures, 15 vertical pressures
Force snesor, 16 laterally load jack, 17 transverse pressure sensors, 18 telescopic rods, 19 displacement sensors, 20 support feets, 201
Supporting sleeve, support inserted link, 203 times support inserted links, 204 rubber pads on 202.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:Adhesive strength and friction system between a kind of measurement construction material
Several experimental provisions, including pedestal 1, the left and right sides at 1 top of pedestal is both provided with column 2, and the top of column 2 is provided with top plate
3, the centre of 3 bottom of top plate is provided with vertical loading jack 4, and the vertical bottom for loading jack 4 is provided with upper fixture 5, bottom
The top movable of seat 1 is provided with support plate 9, and link block 10, the bottom of link block 10 are both provided at left and right sides of 9 bottom of support plate
Portion is provided with pulley 11, and the top of pedestal 1 is provided with the sliding slot 12 to match with pulley 11, the left and right sides at 9 top of support plate
Gag lever post 13 is both provided with, gag lever post 13 includes limit casing 131, and the top movable of 131 inner cavity of limit casing is plugged with limiting
Inserted link 132, the bottom of 132 left and right sides of limiting inserted link is provided with limiting pulley 133, and limits side and the limiting of pulley 133
The internal chamber wall fitting of casing 131, the top of gag lever post 13 are provided with lower fixture 14, and lower fixture 14 and upper fixture 5 include clamping plate
51, the adjacent surface of two groups of clamping plates 51 is both provided with fluting 52, and bearing block 53, bearing are both provided at left and right sides of 52 inner cavities of slotting
The inner cavity of seat 53 is plugged with threaded rod 54, and the equal movable sleeve in the left and right sides of threaded rod 54 is connected to screwed pipe 55, and two groups of casings 7
Positive/negative thread channel is provided on inner wall, and positive/negative thread channel is adapted with threaded rod 54, the top of screwed pipe 55 is provided with
Fixture block 56, the right end of threaded rod 54 are provided with turntable 57, and the centre of lower 14 bottom of fixture is provided with vertical pressure sensor 15, and
The bottom of vertical pressure sensor 15 is connect with the top of support plate 9, and the bottom on 2 right side of left side column is provided with laterally loading thousand
Jin top 16, the right side for laterally loading jack 16 is provided with transverse pressure sensor 17, and the right side of transverse pressure sensor 17
It is connect with the left side of support plate 9, the bottom in 2 left side of right side uprights is provided with telescopic rod 18, and the left side of telescopic rod 18 is provided with position
Displacement sensor 19, the bottom of pedestal 1 are evenly arranged with support feet 20.
Wherein, support feet 20 includes supporting sleeve 201, and the top movable of 201 inner cavity of supporting sleeve is plugged with support and inserts
Bar 202, the bottom activity of 201 inner cavity of supporting sleeve are plugged with lower support inserted link 203, in the inner cavity of supporting sleeve 201 is provided with
Screw thread, the outside of upper support inserted link 202 are provided with the positive external screw thread to match with internal thread, and the outside of lower support inserted link 203 is set
The height that the anti-external screw thread to match with internal thread adjusts support feet 20 by rotating supporting sleeve 201 is equipped with, makes the top of pedestal 1
Portion keeps horizontal.
The left and right sides of upper fixture 5 is both provided with guide rod 6, and the other end of guide rod 6 is provided with directive wheel 7, and two groups are stood
The adjacent surface of column 2 is both provided with the guide groove 8 to match with directive wheel 7, and the presence of directive wheel 7 reduces guide rod 6 with being oriented to
Friction between slot 8, guide rod 6 play guiding role, can move up and down upper fixture 5, and cannot move left and right.
Support plate 9, transverse pressure sensor 17 and displacement sensor 19 on same horizontal line, vertical pressure sensor 15,
Lower fixture 14 and upper fixture 5 are on same vertical line.
The sum of the shortest length of telescopic rod 19 and the length of displacement sensor 19, less than 12 right end of sliding slot a to left side for right side uprights 2
The horizontal distance of side when support plate 9 moves to the right end of sliding slot 12, will not be pressed into place displacement sensor 19, and displacement is passed
Sensor 19 causes to damage.
The bottom of lower support inserted link 203 is provided with rubber pad 204, and the bottom of rubber pad 204 is provided with abrasion resistant convex grain, and resistance to
The vertical section semicircular in shape of convex grain is ground, the rubber pad 204 with abrasion resistant convex grain has the function of damping and buffering, and plays anti-skidding
Effect.
The method of the experimental provision of adhesive strength and friction coefficient, step include between a kind of construction material based on measurement:
S1:It checks whether each structure of the device is intact, two pieces of experiment materials is placed on lower fixture 14, and one block of experiment material
Material is placed in another piece of experiment material, and lower fixture 14 is clamped by the spacing between rotating the two groups of fixture blocks 56 of adjusting of turntable 57
Underlying experiment material, the vertical jack 4 that loads push upper fixture 5 to move down, upper fixture 5 and the experiment material being located above
After fitting, upper fixture 5 clamps the experiment material being located above by the spacing between rotating the two groups of fixture blocks 56 of adjusting of turntable 57;
S2:After clamping, the vertical pressure for loading jack 4 and applying longitudinal direction to two groups of experiment materials, vertical pressure sensor
The pressure of 15 record longitudinal directions laterally loads jack 16 and pushes away support plate 9 to the right, and transverse pressure sensor 17 records lateral pressure
Power drives underlying experiment material to move right by support plate 9 and lower fixture 14, and upper fixture 5 clamps position and top
Experiment material does not move, and records shift length by displacement sensor 19, carries out friction coefficient detection;
S3:After the completion of friction coefficient detection, two pieces of experiment materials are pasted together and are placed on lower fixture 14, and one piece of experiment
For material in another piece of experiment material, lower fixture 14 clamps underlying experiment material, and vertical load is pressed from both sides in the promotion of jack 4
Tool 5 moves down, and after upper fixture 5 is bonded with the experiment material being located above, upper fixture 5 clamps the experiment material being located above;
S4:After clamping, the vertical pressure for loading jack 4 and applying longitudinal direction to two groups of experiment materials, vertical pressure sensor
The pressure of 15 record longitudinal directions laterally loads jack 16 and pushes away support plate 9 to the right, and transverse pressure sensor 17 records lateral pressure
Power drives underlying experiment material to move right by support plate 9 and lower fixture 14, and upper fixture 5 clamps position and top
Experiment material does not move, and records shift length by displacement sensor 19, carries out adhesive strength detection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.