CN107764737A - A kind of magnetic force draw-off gear and its application method - Google Patents
A kind of magnetic force draw-off gear and its application method Download PDFInfo
- Publication number
- CN107764737A CN107764737A CN201710984036.1A CN201710984036A CN107764737A CN 107764737 A CN107764737 A CN 107764737A CN 201710984036 A CN201710984036 A CN 201710984036A CN 107764737 A CN107764737 A CN 107764737A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- clamping plate
- pole clamping
- electromagnet
- screw
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of magnetic force draw-off gear, including the support and drawing body for fixing part to be detected, the drawing body includes magnetic pole clamping plate, the connecting rod for connecting magnetic pole clamping plate and the drive 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 being 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 provided with the internal thread corresponding with screw flight, described screw rod one end is placed in the thread barrel, and at least one part is connected with the drive device in the screw rod and screw tube, and another part is connected with the magnetic pole clamping plate.Draw-off gear in the present invention selects clip of the heteropole magnetic sheet as gripping fibers lamellar body, simple and convenient, be not easy to slide by controlling electromagnet electrical current size to change the chucking power of clip.
Description
Technical field
The present invention relates to a kind of magnetic force draw-off gear and its application method, more particularly to one kind to be used to detect concrete substrate
With the magnetic force draw-off gear and implementation of fiber interface adhesion strength.
Background technology
To improve concrete performance in laboratory, often need to add 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 generally passing through in laboratory
The pull-out test measure fiber of single fiber and the adhesive property of concrete substrate.
There are some tencels, such as amorphous alloy fiber, its 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 magnetic force draw-off gear is supplied.
In order to solve the above problems, the scheme taken is the present invention：A kind of magnetic force draw-off gear, including treated for fixation
The support and drawing body of detection piece, the drawing body include magnetic pole clamping plate, the connecting rod for connecting magnetic pole clamping plate and pass through connecting rod
Apply the drive device of pulling force to magnetic pole clamping plate, the magnetic pole clamping plate includes the first electromagnet and the second electromagnetism being oppositely arranged
Iron, first electromagnet and the second electromagnet opposite pole are oppositely arranged；The connecting rod includes screw rod and screw tube, institute
State screw tube and be provided with the internal thread corresponding with screw flight, described screw rod one end is placed in the thread barrel, the screw rod
It is connected with least one part in screw tube with the drive device, another part is connected with the magnetic pole clamping plate.
Further, the thread barrel is rotated by the drive device, and described screw rod one end is placed in another in thread barrel
End is connected with magnetic pole clamping plate.
Further, the one side that the magnetic pole clamping plate is in contact with fiber is fixed with anti-skidding bed course.
Further, in addition to for sensing 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 support 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, which is provided with, is used for the hole that magnetic pole clamping plate passes through.
Further, the bottom plate is provided with universal wheel and sucker.
Further, sleeve being cased with outside the screw rod and screw tube, described sleeve one end is fixedly connected with drive 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 provided 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-mentioned magnetic force draw-off gear, including following step for said apparatus
Suddenly：
1）Part to be detected is fixed on support, 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）Drive device drives screw tube to rotate, and then drives screw rod to move downward and produce pulling force to fiber；
4）Pulling force is detected by pulling force inductor.
Further, regulating magnet size of current and screw tube rotational speed regulation pulling force size are passed through.
Beneficial effect includes caused by the present invention：Draw-off gear in the present invention is from magnet suction as gripping fibers
The clip of lamellar body, it is simple and convenient, be not easy to slide by controlling electromagnet electrical current size to change the chucking power of clip；This hair
The bright connecting rod that a pulling magnetic pole clamping plate is complemented each other to form using screw rod and screw tube, rotate screw tube and form downward pulling force,
It is rational in infrastructure, low manufacture cost.
Brief description of the drawings
The structural representation of draw-off gear in Fig. 1 present invention；
The structural representation of drawing body in Fig. 2 present invention.
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 limited by embodiment.
It is a kind of be directed to concrete in the magnetic force pull-out test device containing fiber, including for fix concrete to be detected and
The support and drawing body of other parts, support include bottom plate（1）, lower platform plate（5）, upper mounting plate plate（7）, connection upper mounting plate plate
（7）With lower platform plate（5）Connecting screw（4）, bottom plate（4）Upper setting universal wheel（2）And sucker（3）, lower platform plate（5）On set
Put for being fixedly connected with screw rod（4）Lower platform crab bolt（6）, it is provided with upper mounting plate plate for being fixedly connected with screw rod（4）'s
Upper mounting plate crab bolt（8）, bed course is provided with the one side that lower platform plate is in contact with concrete to be detected（9）, will during experiment
Concrete to be detected 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）It is provided with two universal wheels（2）, four angles end bottom of base such as sets at the big sucker respectively（3）, on
Portion's perforate, hole size is consistent, connecting screw（4）Fix 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, is beaten among lower platform plate
Disconnected, the fiber of concrete sample exposes from gap is interrupted, and connecting screw passes through the perforate square plate of upper lower platform from hole.
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）；Institute
State 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 is by being sequentially provided with motor, screw tube, screw rod, energization U-shaped folder between the downward landing slab of bottom plate
（11）With magnetic pole clamping plate, screw rod one end is placed in screw tube, and screw rod and screw tube are cooperated by screw thread, and motor rotates
Screw tube, screw rod can be made threadingly to run downwards, so as to produce pulling force to fiber.Magnetic pole clamping plate includes the first electricity being oppositely arranged
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.Sleeve is provided with outside screw rod and screw tube, sleeve one end is fixed
On the shell of 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, after energization two heteropole electromagnet produce suction fiber is clamped, U-clamp lower end from
Pass through among screw rod, be connected with power supply unit.
Fibne pull-out body also includes Minitype tension sensor, pulling force display（15）, current control button（18）And electricity
Frequency control button（19）.Magnetic pole clamping plate（10）The different magnetic clamping plates in two pieces of S and N poles are respectively adopted, lower end is by energization U-shaped folder（11）
Fixed, clamping plate build-in on the side of concrete fiber setting rubber antiskid bed course, anti-skidding bed course is provided with miniature spring biography
Sensor, each installation one on two anti-skidding bed courses, Minitype tension sensor and the pulling force display on the sleeve（15）
Connection, show the size of two Minitype tension sensors, twice of average value；The energization U-shaped folder（11）From the screw rod（16）It is middle
Pass 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 screw tube（17）It is connected, is all threaded on whole screw rod, pallet
（12）Center drilling, screw rod pass through pallet（12）Center hole be connected with U-shaped folder；Screw tube（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）Controlled motor frequency；Minitype tension sensor in the present invention can use 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 provided with anti-slip veins；Rubber is set on the magnetic pole clamping plate
The anti-skidding bed course of glue；Motor uses variable-frequency motor.
It is a kind of to be used to detect concrete substrate and the magnetic force draw-off gear embodiment of fiber interface adhesion strength is：
Support passes through universal wheel（2）Motion direction, bottom plate（1）Four angles end sucker（3）Ground is fixed on, so as to stable whole knot
Structure.Concrete sample with fiber is fixed on support, and fiber half is in test specimen, and second half is from lower platform plate（5）It is middle empty
Gap is passed by magnetic pole clamping plate（10）Clamp, anti-skidding bed course prevents fiber from loosening, device for opening, motor（14）Rotate and drive screw tube
（17）Rotate, screw tube drives screw rod by screw thread（16）Rotate, pass through motor（14）On current control button（18）And electricity
Frequency control button（19）Magnetic size and pulling force size are adjusted, while concrete substrate and fiber circle are measured by pulling force sensor
Face adhesion strength.
Apparatus of the present invention advantages of simple, easy to operate, service efficiency is high, low manufacture cost, will effectively can mix
Fibne pull-out in solidifying soil comes out.In use, support is fixed on by universal wheel motion direction, the sucker at four angles end of bottom plate
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 rod
Cylinder rotates, and screw tube 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, effectively can come out fibne pull-out, while measure concrete substrate and fibre by pulling force sensor
Tie up interface binding intensity.
The shown and described above general principle and principal character and advantages of the present invention of invention device, 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, the technical spirit according to the present invention is implemented to more than
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 (9)
- A kind of 1. magnetic force draw-off gear, it is characterised in that：Including the support and drawing body for fixing part to be detected, the drawing Pulling out body includes magnetic pole clamping plate, the connecting rod for connecting magnetic pole clamping plate and the drive 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 being oppositely arranged, first electromagnet and second electromagnetism Iron opposite pole is oppositely arranged；The connecting rod includes screw rod and screw tube, and the screw tube is provided with corresponding with screw flight Internal thread, described screw rod one end is placed in the thread barrel, at least one part and the drive in the screw rod and screw tube Dynamic device connection, another part are connected with the magnetic pole clamping plate.
- 2. magnetic force draw-off gear according to claim 1, it is characterised in that：The thread barrel is turned by the drive device Dynamic, described screw rod one end is placed in the other end in thread barrel and is connected with magnetic pole clamping plate.
- 3. magnetic force draw-off gear according to claim 1, it is characterised in that：The magnetic pole clamping plate be in contact with fiber one Face is fixed with anti-skidding bed course.
- 4. magnetic force draw-off gear according to claim 1, it is characterised in that：Also include be used for sense draw-off gear with it is to be checked The Minitype tension sensor and pulling force display of pulling force, the Minitype tension sensor are arranged on two magnetic pole clamping plates between survey part Anti-skidding bed course on.
- 5. magnetic force plate pulling device according to claim 1 or 2, it is characterised in that：The support includes the bottom set gradually Plate, lower platform and upper mounting plate, the bottom plate, lower platform and upper mounting plate are fixedly connected by connecting screw, and the part to be detected is put Between the upper mounting plate and the lower platform, the drawing body is placed between the bottom plate and the lower platform, under described Platform, which is provided with, is used for the hole that magnetic pole clamping plate passes through.
- 6. magnetic force draw-off gear according to claim 1, it is characterised in that：The bottom plate is provided with universal wheel and sucker.
- 7. magnetic force draw-off gear according to claim 5, it is characterised in that：Sleeve is cased with outside the screw rod and screw tube, Described sleeve one end is fixedly connected with drive device shell, and the other end is fixedly connected with lower platform by pallet, and the pallet is placed in institute State below hole, the pallet is provided with centre bore, and the connecting rod passes through the sleeve and the tray center hole and magnetic pole clamping plate Connection.
- A kind of 8. application method of above-mentioned magnetic force draw-off gear, it is characterised in that：Comprise the following steps：1）Part to be detected is fixed on support, 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）Drive device drives screw tube to rotate, and then drives screw rod to move downward and produce pulling force to fiber；4）Pulling force is detected by pulling force inductor.
- 9. the application method of magnetic force draw-off gear according to claim 8, it is characterised in that：Pass through regulating magnet electric current Size and screw tube rotational speed regulation pulling force size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984036.1A CN107764737A (en) | 2017-10-20 | 2017-10-20 | A kind of magnetic force draw-off gear and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984036.1A CN107764737A (en) | 2017-10-20 | 2017-10-20 | A kind of magnetic force draw-off gear and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764737A true CN107764737A (en) | 2018-03-06 |
Family
ID=61268882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984036.1A Pending CN107764737A (en) | 2017-10-20 | 2017-10-20 | A kind of magnetic force draw-off gear and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596518A (en) * | 2018-12-06 | 2019-04-09 | 陕西理工大学 | A kind of Portable wall surface ceramic tile on-site detecting device |
| CN112198048A (en) * | 2020-12-07 | 2021-01-08 | 南京仪汇仪器设备有限公司 | Textile fiber strength detection equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358915A (en) * | 2008-10-09 | 2009-02-04 | 中国航空工业第一集团公司北京航空材料研究院 | Axial push-pull fatigue test cramp for metal thin wall pipe sample |
| CN202781136U (en) * | 2012-09-28 | 2013-03-13 | 上海电机学院 | Feedback type electromagnetic clamping device |
| CN206208643U (en) * | 2016-11-22 | 2017-05-31 | 河海大学 | A kind of draw-off gear for fiber in concrete |
| CN206317516U (en) * | 2016-12-28 | 2017-07-11 | 山东科技大学 | Taut net net thick stick fixture |
| CN107247020A (en) * | 2017-07-24 | 2017-10-13 | 湖南大学 | A kind of reinforcing bar and concrete drawing experimental rig for eliminating high temperature influence |
-
2017
- 2017-10-20 CN CN201710984036.1A patent/CN107764737A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358915A (en) * | 2008-10-09 | 2009-02-04 | 中国航空工业第一集团公司北京航空材料研究院 | Axial push-pull fatigue test cramp for metal thin wall pipe sample |
| CN202781136U (en) * | 2012-09-28 | 2013-03-13 | 上海电机学院 | Feedback type electromagnetic clamping device |
| CN206208643U (en) * | 2016-11-22 | 2017-05-31 | 河海大学 | A kind of draw-off gear for fiber in concrete |
| CN206317516U (en) * | 2016-12-28 | 2017-07-11 | 山东科技大学 | Taut net net thick stick fixture |
| CN107247020A (en) * | 2017-07-24 | 2017-10-13 | 湖南大学 | A kind of reinforcing bar and concrete drawing experimental rig for eliminating high temperature influence |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596518A (en) * | 2018-12-06 | 2019-04-09 | 陕西理工大学 | A kind of Portable wall surface ceramic tile on-site detecting device |
| CN109596518B (en) * | 2018-12-06 | 2021-03-16 | 陕西理工大学 | Portable wall tile on-site detection device |
| CN112198048A (en) * | 2020-12-07 | 2021-01-08 | 南京仪汇仪器设备有限公司 | Textile fiber strength detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206440548U (en) | Novel power cable experimental rig | |
| CN107764737A (en) | A kind of magnetic force draw-off gear and its application method | |
| CN110296894A (en) | A kind of device for testing tensile force of steel wire | |
| CN106357159A (en) | Nonlinear vortex-induced vibration energy collector having force-current-fluid coupling function | |
| CN204202991U (en) | A kind of small punch test magnetic holding device | |
| CN207423674U (en) | A kind of device for being used to detect concrete fibres bond intensity | |
| CN208421204U (en) | Magnet poles detection device | |
| CN105400680B (en) | A kind of quantitative real time PCR Instrument | |
| CN203690800U (en) | Integral clamping tool used for replacing cross arm end linear string insulator | |
| CN202296457U (en) | Cloth inspecting machine and unreeling frame of cloth inspecting machine | |
| CN207675915U (en) | A kind of electromagnet suction test device | |
| CN203475638U (en) | No-nail hanging magnetic force photo frame display wall | |
| CN113224702A (en) | Cable bridge fixing device | |
| CN105352789A (en) | Novel carpet stamp testing device | |
| CN209689998U (en) | A kind of device for fixing irregular metallographic specimen | |
| CN109459285A (en) | A kind of device and fixing means for fixing irregular metallographic specimen | |
| CN201770363U (en) | Seismic cable conductor winder | |
| CN211478572U (en) | Permanent magnet motor comprehensive test bed capable of guaranteeing detection consistency | |
| CN203940987U (en) | Panhandle strength test equipment | |
| CN210401480U (en) | High-efficient aviation relay box testing arrangement | |
| CN203278707U (en) | Self-control balance magnetic suspension rotary device | |
| CN203262810U (en) | Electromagnetic book taking device | |
| CN207981888U (en) | A kind of interchangeable mold inductor | |
| CN201384984Y (en) | Novel magnetic separating shelf | |
| CN106936275B (en) | A kind of stator winder outgoing line fixing device and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
|
| RJ01 | Rejection of invention patent application after publication |