CN207423674U - A kind of device for being used to detect concrete fibres bond intensity - Google Patents
A kind of device for being used to detect concrete fibres bond intensity Download PDFInfo
- Publication number
- CN207423674U CN207423674U CN201721357501.0U CN201721357501U CN207423674U CN 207423674 U CN207423674 U CN 207423674U CN 201721357501 U CN201721357501 U CN 201721357501U CN 207423674 U CN207423674 U CN 207423674U
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- magnetic pole
- clamping plate
- electromagnet
- pole clamping
- screw rod
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Abstract
The utility model is related to a kind of for detecting the device of concrete fibres bond intensity, including being used to fix the stent of part to be detected and drawing body, the drawing body includes magnetic pole clamping plate, the connecting rod for connecting magnetic pole clamping plate and the driving device for applying pulling force to magnetic pole clamping plate by connecting rod, the magnetic pole clamping plate includes the first electromagnet and the second electromagnet that are oppositely arranged, and first electromagnet and the second electromagnet opposite pole are oppositely arranged；The connecting rod includes screw rod and screw tube, the screw tube is equipped with and the corresponding internal thread of screw flight, described screw rod one end is placed in the thread barrel, and at least one component is connected with the driving device in the screw rod and screw tube, another component is connected with the magnetic pole clamping plate.Device in the utility model selects clip of the heteropolar magnetic sheet as gripping fibers sheet body, simple and convenient, be not easy to slide by controlling the chucking power of electromagnet electrical current size change clip.
Description
Technical field
The present invention relates to a kind of mixed for detecting for detecting the device of concrete fibres bond intensity more particularly to one kind
The magnetic force draw-off gear of solidifying soil matrix body and fiber interface adhesion strength.
Background technology
To improve concrete performance in laboratory, often need to add in various chopped unrest to fiber to improve its intensity, toughness
With durability etc..The enhancing characteristic and the adhesive property of fiber and matrix of fiber are closely related, so usually passing through in laboratory
The pull-out test of single fiber measures the adhesive property of fiber and concrete substrate.
There are some tencels, such as amorphous alloy fiber, thickness only has 0.02 ~ 0.03mm or so, 1 ~ 3mm of width, table
Face is smooth, in flake, it is extracted from concrete substrate very difficult.To study such laminar fiber and cement matrix
Expect the adhesion strength of matrix, it is necessary to design a kind of special draw-off gear to meet experiment demand.
The content of the invention
The present invention is difficult to extract the smooth alloy fiber in the surfaces such as flake in concrete to solve existing apparatus, carries
A kind of device for being used to detect concrete fibres bond intensity is supplied.
To solve the above-mentioned problems, the scheme taken is the present invention：One kind is used to detect concrete fibres bond intensity
Device, including being used to fix the stent of part to be detected and drawing body, the drawing body includes magnetic pole clamping plate, connection magnetic pole
The connecting rod of clamping plate and the driving device for applying pulling force to magnetic pole clamping plate by connecting rod, the magnetic pole clamping plate include be oppositely arranged the
One electromagnet and the second electromagnet, first electromagnet and the second electromagnet opposite pole are oppositely arranged；The connecting rod
Including screw rod and thread barrel, the thread barrel be equipped with the corresponding internal thread of screw flight, described screw rod one end is placed in institute
State in thread barrel, at least one component is connected with the driving device in the screw rod and thread barrel, another component with it is described
Magnetic pole clamping plate connects.
Further, the thread barrel is rotated by the driving device, and described screw rod one end is placed in another in thread barrel
End is connected with magnetic pole clamping plate.
Further, what the magnetic pole clamping plate was in contact with fiber is fixed with anti-skidding bed course on one side.
Further, further include to sense miniature spring inductor and the drawing of pulling force between draw-off gear and part to be detected
Power display, the Minitype tension sensor build-in are arranged on the anti-skidding bed course on two magnetic pole clamping plates, and both sides respectively arrange one,
Pulling force display shows its twice of average value.
Further, the stent includes the bottom plate, lower platform and the upper mounting plate that set gradually, the bottom plate, lower platform and
Upper mounting plate is fixedly connected by screw rod, and the part to be detected is placed between the upper mounting plate and the lower platform, the drawing sheet
Body is placed between the bottom plate and the lower platform, and the lower platform is equipped with the hole passed through for magnetic pole clamping plate.
Further, the bottom plate is equipped with universal wheel and sucker.
Further, sleeve being cased with outside the screw rod and thread barrel, described sleeve one end is fixedly connected with driving device shell,
The other end is fixedly connected with lower platform by pallet, and the pallet is placed in below described hole, and the pallet is equipped with centre bore, described
Connecting rod is connected through the sleeve and the tray center hole with magnetic pole clamping plate.
The present invention additionally provides a kind of application method of above device for above device, comprises the following steps：
1）Part to be detected is fixed on stent, and fiber one end is exposed, is placed between magnetic pole clamping plate；
2）Magnetic pole clamping plate is powered, and the first electromagnet and the second electromagnet attract each other and clamp fibre end；
3）Driving device drives thread barrel to rotate, and then screw rod is driven to move downward and generates pulling force to fiber；
4）Pulling force is detected by pulling force inductor.
Further, regulating magnet size of current and thread barrel rotational speed regulation pulling force size are passed through.
Advantageous effect includes caused by the present invention：It is selected in the present invention for detecting the device of concrete fibres bond intensity
By the use of magnet suction as the clip of gripping fibers sheet body, by the way that electromagnet electrical current size is controlled to change the chucking power of clip,
It is simple and convenient, be not easy to slide；The present invention complements each other to form the connecting rod of a pulling magnetic pole clamping plate using screw rod and thread barrel, rotates
Threaded cylindrical is into downward pulling force, rational in infrastructure, low manufacture cost.
Description of the drawings
It is used to detect the structure diagram of concrete fibres bond intensity device in Fig. 1 present invention；
It is used to detect the structure diagram of concrete fibres bond intensity device in Fig. 2 present invention.
Specific embodiment
Further details of explanation is done to the present invention with reference to the accompanying drawings and detailed description, it should be appreciated that
Protection scope of the present invention is not restricted by specific implementation.
One kind is for detecting concrete fibres bond intensity device, including being used to fix concrete to be detected and other components
Stent and drawing body, stent include bottom plate（1）, lower platform plate（5）, upper mounting plate plate（7）, connection upper mounting plate plate（7）With under
Landing slab（5）Connecting screw（4）, bottom plate（4）Upper setting universal wheel（2）And sucker（3）, lower platform plate（5）Upper setting is used for
It is fixedly connected with screw rod（4）Lower platform crab bolt（6）, it is provided with to be fixedly connected with screw rod on upper mounting plate plate（4）Upper mounting plate
Crab bolt（8）, bed course is provided in the one side that is in contact in lower platform plate with concrete to be detected（9）, when experiment, will be to be detected
Concrete is placed between lower platform plate and upper mounting plate plate, and drawing body is placed between bottom plate and lower platform plate.
Bottom plate（1）On set there are two universal wheel（2）, four angles end lower part of pedestal such as sets at the big sucker respectively（3）, on
Portion's perforate, hole size is consistent, connecting screw（4）It fixes through hole and vertically；
Upper and lower landing slab is the square plate of four angles end perforate, and hole size is consistent, center alignment, among lower platform plate
It interrupts, the fiber of concrete sample exposes from gap is interrupted, and connecting screw passes through the perforate square bar of upper lower platform from hole
Plate.Lower platform plate（5）Pass through bolt assembly（6）It is fixed on the center connecting screw, anti-skidding bed course is set on lower platform
（9）；The upper mounting plate plate（7）It can move up and down, finally by the bolt assembly on upper mounting plate plate（8）It is fixed.
Drawing body by being equipped with driving motor, thread barrel, screw rod, energization U-shaped folder successively between the downward landing slab of bottom plate
（11）With magnetic pole clamping plate, screw rod one end is placed in thread barrel, and screw rod and thread barrel are cooperated by screw thread, and driving motor rotates
Thread barrel can be such that screw rod threadingly runs downwards, so as to generate pulling force to fiber.Magnetic pole clamping plate includes the be oppositely arranged first electricity
Magnet and the second electromagnet, the first electromagnet and the second electromagnet opposite pole are oppositely arranged；First electromagnet and after energization
Two electromagnet attract each other, and tightly clamp the fiber in concrete.Screw rod and thread barrel are provided outside sleeve, and sleeve one end is fixed
On the shell of driving motor, one end is connected by pallet with lower platform plate；It one shaped like U-shaped thickness is 5mm's that the U-clamp, which is,
Iron plate, upper end are located in lower platform plate holes, and two heteropolar electromagnet generate suction and clamp fiber after energization, U-clamp lower end from
It passes through among screw rod, is connected with power supply unit.
Fibne pull-out body further includes Minitype tension sensor, pulling force display（15）, current control button（18）And electricity
Frequency control button（19）.Magnetic pole clamping plate（10）Two pieces of S with N poles Bu Tong magnetic clamping plate is respectively adopted, lower end is by energization U-shaped folder（11）
Fixed, clamping plate build-in on the one side of concrete fiber setting rubber antiskid bed course, anti-skidding bed course is equipped with miniature spring biography
Sensor, respectively installs one on two anti-skidding bed courses, Minitype tension sensor and the pulling force display on the sleeve（15）
Connection shows the size of two Minitype tension sensors, twice of average value；The energization U-shaped folder（11）From the screw rod（16）It is intermediate
It passes through, with the motor（14）It is connected, the motor（14）On be provided with a current control button（18）, can be changed by rotation
Energization U-shaped folder（11）Size of current, so as to change magnetic size, prevent fibre shedding；The screw rod（16）Support U-shaped in one end
Folder, and be connected with U-shaped folder bottom, the other end passes through screw thread and thread barrel（17）It is connected, is all threaded on entire screw rod, pallet
（12）Center drilling, screw rod pass through pallet（12）Center hole be connected with U-shaped folder；Thread barrel（17）For hollow structure, thereon
The lines with screw rod clamping is provided with, for screw rod（16）Rotation and under；Pallet（12）Both ends are fixed on lower platform plate（5）,
Device plays a supportive role when operating, pallet（12）Bottom and sleeve（13）It is affixed, the sleeve（13）For hollow structure, sleeve bottom
End and motor（14）It is connected；Motor（14）Two rotary switches of upper setting, current control button（18）Control U-shaped folder electric current big
It is small, electric frequency control button（19）Control electric machine frequency；Minitype tension sensor in the present invention can be used such as patent
Minitype tension sensor disclosed in 201310518098.5.
For the size of power during real-time monitored drawn fibers, pulling force inductor is set on the magnetic pole clamping plate（101）, and with
Pulling force display（15）It is connected, shows the size of pulling force；The universal wheel is equipped with anti-skid chequer；Rubber is set on the magnetic pole clamping plate
The anti-skidding bed course of glue；Motor uses variable-frequency motor.
It is for detecting concrete fibres bond intensity device specific embodiment in the present invention：Stent passes through universal wheel
（2）Motion direction, bottom plate（1）Four angles end sucker（3）Ground is fixed on, so as to stablize total.It is mixed with fiber
Solidifying soil test specimen is fixed on stent, and fiber half is in test specimen, the other half is from lower platform plate（5）Intermediate gaps are pierced by is pressed from both sides by magnetic pole
Plate（10）It clamps, anti-skidding bed course prevents fiber from loosening, device for opening, motor（14）It rotates and drives thread barrel（17）It rotates, screw thread
Cylinder drives screw rod by screw thread（16）It rotates, passes through motor（14）On current control button（18）With electric frequency control button（19）
Magnetic size and pulling force size are adjusted, while concrete substrate and fiber interface adhesion strength are measured by pulling force sensor.
Apparatus of the present invention advantages of simple, easy to operate, service efficiency is high, low manufacture cost, will can effectively mix
Fibne pull-out in solidifying soil comes out.In use, stent, by universal wheel motion direction, the sucker at four angles end of bottom plate is fixed on
Ground, so as to stablize total.Magnetic pole clamping plate clamps fiber, and anti-skidding bed course prevents fiber from loosening, and motor, which rotates, drives screw thread
Cylinder rotates, and thread barrel drives screw rod to rotate by screw thread, is adjusted by the current control button on motor and electric frequency control button
Magnetic size and pulling force size, fibne pull-out can effectively be come out, while measure concrete substrate and fibre by pulling force sensor
Tie up interface binding intensity.
The basic principle and main feature and advantages of the present invention of invention device shown and described above, should refer to
Go out, for those skilled in the art, without departing from the technical principles of the invention, if can make
Dry to improve and deform, as long as being the content without departing from technical solution of the present invention, technical spirit according to the invention to implementing above
Any simple modification, equivalent change and modification that example is made, these changes and improvements both fall within claimed invention model
In enclosing, the scope of the present invention is defined by the appended claims and its equivalents.
Claims (7)
1. a kind of device for being used to detect concrete fibres bond intensity, it is characterised in that：Including being used to fix part to be detected
Stent and drawing body, the drawing body include magnetic pole clamping plate, the connecting rod for connecting magnetic pole clamping plate and magnetic pole are pressed from both sides by connecting rod
Plate applies the driving device of pulling force, and the magnetic pole clamping plate includes the first electromagnet and the second electromagnet that are oppositely arranged, and described the
One electromagnet and the second electromagnet opposite pole are oppositely arranged；The connecting rod includes screw rod and thread barrel, the thread barrel
It is equipped with and is placed in the corresponding internal thread of screw flight, described screw rod one end in the thread barrel, the screw rod and thread barrel
In at least one component be connected with the driving device, another component is connected with the magnetic pole clamping plate.
2. the device according to claim 1 for being used to detect concrete fibres bond intensity, it is characterised in that：The screw thread
Cylinder is rotated by the driving device, and described screw rod one end is placed in the other end in thread barrel and is connected with magnetic pole clamping plate.
3. the device according to claim 1 for being used to detect concrete fibres bond intensity, it is characterised in that：The magnetic pole
What clamping plate was in contact with fiber is fixed with anti-skidding bed course on one side.
4. the device according to claim 1 for being used to detect concrete fibres bond intensity, it is characterised in that：Further include use
The Minitype tension sensor of pulling force and pulling force display between sensing draw-off gear and part to be detected, the miniature spring sensing
Device is arranged on the anti-skidding bed course on two magnetic pole clamping plates.
5. the device according to claim 1 or 2 for being used to detect concrete fibres bond intensity, it is characterised in that：It is described
Stent includes the bottom plate, lower platform and the upper mounting plate that set gradually, and the bottom plate, lower platform and upper mounting plate are fixed by connecting screw
Connection, the part to be detected are placed between the upper mounting plate and the lower platform, and the drawing body is placed in the bottom plate and institute
Between stating lower platform, the lower platform is equipped with the hole passed through for magnetic pole clamping plate.
6. the device according to claim 5 for being used to detect concrete fibres bond intensity, it is characterised in that：It is set on bottom plate
There are universal wheel and sucker.
7. the device according to claim 5 for being used to detect concrete fibres bond intensity, it is characterised in that：The screw rod
Sleeve is cased with outside with thread barrel, described sleeve one end is fixedly connected with driving device shell, and the other end is fixedly connected down by pallet
Platform, the pallet are placed in below described hole, and the pallet is equipped with centre bore, and the connecting rod is passed through in the sleeve and pallet
Heart hole is connected with magnetic pole clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357501.0U CN207423674U (en) | 2017-10-20 | 2017-10-20 | A kind of device for being used to detect concrete fibres bond intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357501.0U CN207423674U (en) | 2017-10-20 | 2017-10-20 | A kind of device for being used to detect concrete fibres bond intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423674U true CN207423674U (en) | 2018-05-29 |
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ID=62312158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357501.0U Expired - Fee Related CN207423674U (en) | 2017-10-20 | 2017-10-20 | A kind of device for being used to detect concrete fibres bond intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514585A (en) * | 2019-09-10 | 2019-11-29 | 中国水利水电第五工程局有限公司 | A kind of gunite concrete and country rock adhesion strength measurement device |
-
2017
- 2017-10-20 CN CN201721357501.0U patent/CN207423674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514585A (en) * | 2019-09-10 | 2019-11-29 | 中国水利水电第五工程局有限公司 | A kind of gunite concrete and country rock adhesion strength measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180529 Termination date: 20191020 |