CN209167091U - It is a kind of for detecting the device of concrete fibres bond intensity - Google Patents
It is a kind of for detecting the device of concrete fibres bond intensity Download PDFInfo
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- CN209167091U CN209167091U CN201821504512.1U CN201821504512U CN209167091U CN 209167091 U CN209167091 U CN 209167091U CN 201821504512 U CN201821504512 U CN 201821504512U CN 209167091 U CN209167091 U CN 209167091U
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- rod
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- metallic rod
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Abstract
The utility model discloses a kind of for detecting the device of concrete fibres bond intensity, including the bracket and drawing ontology for fixing part to be detected, the drawing ontology includes clip, lies in a horizontal plane in the clip driving device for being used to wind the metallic rod of fiber, connecting the connecting rod of clip and applying pulling force to clip by connecting rod, and the clip clamps metallic rod by bolt；There is the aperture of perforation metallic rod at the metallic rod center in the vertical direction, is smooth surface inside aperture and with metal bar surface contact site.The utility model passes through the aperture that will test the free end of fiber across metallic rod, then winds a few in metallic rod, then clamps winding position with clip, can be effectively prevented the sliding of fiber, simple and reliable；Guarantee that the active force of drawing remains vertical direction by the aperture.
Description
Technical field
The utility model belongs to concrete performance examination technical field, and in particular to one kind is viscous for detecting concrete fiber
The device of knotting strength.
Background technique
To improve concrete performance in laboratory, often need to be added various chopped unrest to fiber to improve its intensity, toughness
With durability etc..The enhancing characteristic of fiber and the adhesive property of fiber and matrix are closely related, so usually passing through in laboratory
The adhesive property of pull-out test the measurement fiber and concrete substrate of single fiber.There are some tencels, such as amorphous alloy fibre
Dimension, thickness only have 0.02-0.03mm or so, and width 1-3mm, surface is smooth, flaky, it is pulled out from concrete substrate
It is very difficult out.
Chinese CN201721357501.0 patent is related to a kind of for detecting the device of concrete fibres bond intensity, packet
The bracket and drawing ontology for fixing part to be detected are included, the drawing ontology includes magnetic pole clamping plate, the company for connecting magnetic pole clamping plate
Bar 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 being oppositely arranged
With the second electromagnet, first electromagnet and the second electromagnet opposite pole are oppositely arranged；The connecting rod includes screw rod
And screw tube, the screw tube are equipped with internal screw thread corresponding with screw flight, described screw rod one end is placed in the screw tube
Interior, at least one component is connect with the driving device in the screw rod and screw tube, another component and the magnetic pole clamping plate
Connection.The device clamps single fiber with the electromagnetism pole piece comprising non-slip mat, but single fiber is stronger in Concrete Bond Strength
When, the single fiber of non-slip mat clamping is still easy sliding.Therefore, it is necessary to improve to retaining part.
The device of existing measurement concrete fibres bond intensity is relatively smooth in the laminar fiber of research or surface
More difficult for the fixation of monfil when the adhesion strength of fiber and concrete, fiber is easily from solid during drawing
Determine to extract in device, influences testing result.For the adhesion strength for studying such laminar fiber and cement-based material matrix, having must
A kind of special draw-off gear is designed to meet experiment demand.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of viscous for detecting concrete fiber
The device of knotting strength, the free end by that will test fiber pass through the aperture of metallic rod, then wind a few in metallic rod, so
Winding position is clamped with clip afterwards, the sliding of fiber can be effectively prevented, it is simple and reliable；Guarantee drawing by the aperture
Active force remains vertical direction.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
It is a kind of for detecting the device of concrete fibres bond intensity, including for fixing part to be detected bracket and drawing
Ontology, the drawing ontology include clip, lie in a horizontal plane in the clip for winding metallic rod, the connection clip of fiber
Connecting rod and the driving device for applying pulling force to clip by connecting rod, clip inside are provided with anti-skid rubber cushion, the clip
Metallic rod is clamped by bolt；There is the aperture of perforation metallic rod at the metallic rod center in the vertical direction, inside aperture and
It is smooth surface with metal bar surface contact site；The connecting rod includes screw rod and screw tube, the screw tube be equipped with
The corresponding internal screw thread of screw flight, described screw rod one end are placed in the screw tube, at least one in the screw rod and screw tube
A component is connect with the driving device, another component is connect with the clip.
The implementation of the utility model aim are as follows: part to be detected and drawing ontology are separately mounted on the bracket,
The free end of the test fiber of part bottom to be detected is passed through to the aperture of the metallic rod, then the writhing number in the metallic rod
Circle clamps winding position with the clip later；The clip upper end is equipped with opening and passes through for fiber, and the clip lower end is equipped with
Bolt makes the clamp by the bolt；The opening of the clip upper end and the aperture of the metallic rod are in vertical side
Alignment upwards, guarantees that pulling capacity remains vertical；Anti-skid rubber cushion is provided on the inside of the clip.Prevent metallic rod and clip
Relative displacement occurs, prevents fibre-glide.Drawing ontology selection in the utility model has mesoporous metal bar, and fiber is passed through aperture
And wind a few in metallic rod and clamp, it can be effectively prevented the sliding of fiber, it is simple and reliable.
The screw tube is rotated by the driving device, and shown screw rod one end is placed in the other end and clip in screw tube and connects
It connects.The screw tube is rotated by the driving device, moves downward the screw rod, to apply pulling capacity to fiber.
The screw rod is made of upper and lower two parts, and lower part is the lower thread bar matched with the screw tube, and top is
The cube rod being mounted on the lower thread bar, the connecting rod further include being set on the cube rod for preventing the company
The sleeve that bar is rotated with the screw tube；Described sleeve one end is set on the cube rod, and the other end is mounted on the bracket
On.
One end that the sleeve is set on the cube rod is the square hole matched with the cube rod, only allows institute
It states connecting rod to move in the vertical direction, prevents the connecting rod from rotating with the screw tube.
The bracket includes the bottom plate, lower platform and upper mounting plate set gradually, and the bottom plate, lower platform and upper mounting plate pass through
Nut is fixedly mounted on the bracket, and the part to be detected is placed between the upper mounting plate and the lower platform, the drawing
Ontology is placed between the bottom plate and the lower platform.The lower platform is equipped with for passing through fiber and the drawing ontology
Connected through-hole.
Pressure sensor is equipped between the lower platform and part to be detected.Pass through the pressure of pressure sensor monitoring part to be detected
Power variation, to obtain the size of pulling capacity.
Universal wheel and sucker are equipped with below bottom plate.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is fixed fiber using the metallic rod and clip, and by this structure, clip is simultaneously
Multi-turn fiber is clamped, can be preferably anti-skidding than piece fiber of clamping, and pass through metal aperture and the winding in metallic rod,
The clamping force to fiber can further be improved；
(2) hole that the utility model fiber passes through metallic rod is wound again, can be improved anti-skidding, and the power of drawing is still
Vertical direction, than directly winding in metallic rod, accuracy is higher；
(3) the utility model complements each other to form the connecting rod for pulling clip using screw rod and screw tube, rotates screw rod tubular
It is structurally reasonable at downward pulling force, low manufacture cost.
Detailed description of the invention
Fig. 1 is described in the utility model a kind of for detecting the structural schematic diagram of the device of concrete fibres bond intensity；
Fig. 2 is the structural schematic diagram of drawing ontology described in the utility model；
Fig. 3 is the left view of metallic rod described in the utility model；
Fig. 4 is the top view of metallic rod described in the utility model；
In figure: 1, bracket；2, drawing ontology；3, clip；4, metallic rod；5, connecting rod；6, driving device；7, bolt；8, fine
Dimension；9, aperture；10, screw rod；11, screw tube；12, lower thread bar；13, cube rod；14, sleeve；15, bottom plate；16, lower flat
Platform；17, upper mounting plate.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
Embodiment 1
The present embodiment provides a kind of for detecting the device of concrete fibres bond intensity, including for fixing part to be detected
Bracket 1 and drawing ontology 2, the drawing ontology 2 includes clip 3, lies in a horizontal plane in the clip 3 for winding fiber 8
Metallic rod 4, the driving device 6 that connects the connecting rod 5 of clip 3 and apply pulling force to clip 3 by connecting rod 5,3 inside of the clip
It is provided with anti-skid rubber cushion, the clip 3 clamps metallic rod 4 by bolt 7；4 center of metallic rod has in the vertical direction
Penetrate through the aperture 9 of metallic rod 4, the inside of aperture 9 and be smooth surface with 4 surface contact position of sillar test specimen of metallic rod；The connecting rod 5 wraps
Screw rod 10 and screw tube 11 are included, the screw tube 11 is equipped with internal screw thread corresponding with 10 screw thread of screw rod, the screw rod 10 1
End is placed in the screw tube 11, at least one component is connect with the driving device 6 in the screw rod 10 and screw tube 11, separately
One component is connect with the clip 3.
The screw rod 10 is made of upper and lower two parts, and lower part is the lower thread bar 12 matched with the screw tube 11,
Top is the cube rod 13 being mounted on the lower thread bar 12, and the connecting rod 5 further includes being set on the cube rod 13
Sleeve 14 for preventing the connecting rod 5 from rotating with the screw tube 11；Described 14 one end of sleeve is set in the cube rod 13
On, the other end is mounted on the bracket 1.The sleeve 14 is set in one end on the cube rod 13
13 square holes matched only allow the connecting rod 5 to move in the vertical direction, prevent the connecting rod 5 with the screw tube 11
Rotation.
The screw tube 11 is rotated by the driving device 6, and shown 10 one end of screw rod is placed in the other end in screw tube 11
It is connect with clip 3.
The bracket 1 includes bottom plate 15, lower platform 16 and the upper mounting plate 17 set gradually, the bottom plate 15, lower platform 16
Be fixedly connected with upper mounting plate 17 by connecting screw 10, the part to be detected be placed in the upper mounting plate 17 and the lower platform 16 it
Between, the drawing ontology 2 is placed between the bottom plate 15 and the lower platform 16.The lower platform 16 is equipped with for making fiber
8 through-holes passed through.
Concrete is placed among lower platform 16, upper mounting plate 17, the fiber to be measured 8 of concrete is filled by lower platform 16 and drawing
Set connection.The free end of fiber 8 to be measured passes through the aperture 9 of metallic rod 4, then winds a few in metallic rod 4, then uses clip
3 clamp winding position, and blending bolt 7 clamps.By this structure, clip 3 clamps multi-turn fiber 8 simultaneously, than clamping a fibre
Dimension 8 can be preferably anti-skidding, and by metal aperture and the winding in metallic rod 4, can further improve to fiber 8
Clamping force.It in addition, the hole that fiber 8 passes through metallic rod 4 is wound again, can be improved anti-skidding, and the power of drawing is still vertical
Histogram is to than directly winding in metallic rod 4, accuracy is higher；The driving device 6 is rotating electric machine, passes through the rotation
Motor drives the screw tube 11 to rotate, and moves upwards the threaded rod.
Embodiment 2
The present embodiment provides a kind of for detecting the device of concrete fibres bond intensity, compared with Example 1, difference
It is in equipped with pressure sensor between the lower platform 16 and part to be detected；Universal wheel and suction are equipped with below the bottom plate 15
Disk；The entire screw rod 10 is equipped with screw thread, and 10 outer wall of screw rod is equipped with sliding slot in the vertical direction；The connecting rod 5 also wraps
It includes one end and is mounted on the sliding block that the other end in the sliding slot is fixedly mounted on the bracket 1.
The pressure sensor is annular, detects concrete to the pressure of bottom plate 15, in drawing by pressure sensor
Cheng Zhong, by pressure sensor monitoring concrete to the pressure change of lower platform 16, so that the bonding for obtaining concrete fiber 8 is strong
Degree；The bracket 1 includes bottom plate 15, and the threaded strut being vertically installed on the angle of bottom surface four, the upper mounting plate 17,
Four angles of lower platform 16 are set on the strut, and the upper mounting plate 17 and the lower platform 16 are fixed on described by nut
On strut, the height of adjustable upper mounting plate 17 and lower platform 16 on strut, when the screw tube 11 is in the band of rotating electric machine
When dynamic lower rotation, the sliding block can slide in the sliding slot, move the screw rod 10 in the vertical direction, prevent described
Screw rod 10 is rotated with the screw tube 11, to realize drawing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that including for fixing part to be detected
Bracket (1) and drawing ontology (2), the drawing ontology (2) include clip (3), lie in a horizontal plane in the clip (3) for twining
Around the metallic rod (4) of fiber (8), the connecting rod (5) of connection clip (3) and pass through the driving of connecting rod (5) to clip (3) application pulling force
Device (6), clip (3) inside are provided with anti-skid rubber cushion, and the clip (3) clamps metallic rod (4) by bolt (7)；
There are the aperture (9) of perforation metallic rod (4), aperture (9) inside and and metallic rod in metallic rod (4) center in the vertical direction
(4) surface contact position of sillar test specimen is smooth surface；The connecting rod (5) includes screw rod (10) and screw tube (11), the screw tube
(11) it is equipped with internal screw thread corresponding with screw rod (10) screw thread, described screw rod (10) one end is placed in the screw tube (11),
At least one component is connect with the driving device (6) in the screw rod (10) and screw tube (11), another component with it is described
Clip (3) connection.
2. according to claim 1 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Screw tube (11) is rotated by the driving device (6), and shown screw rod (10) one end is placed in screw tube (11) the interior other end and folder
Sub (3) connection.
3. according to claim 1 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Screw rod (10) is made of upper and lower two parts, and lower part is the lower thread bar (12) matched with the screw tube (11), and top is
The cube rod (13) being mounted on the lower thread bar (12), the connecting rod (5) further include being set in the cube rod (13)
On sleeve (14) for preventing the connecting rod (5) from rotating with the screw tube (11).
4. according to claim 3 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Sleeve (14) one end is set on the cube rod (13), and the other end is mounted on the bracket (1).
5. according to claim 1 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Bracket (1) includes the bottom plate (15), lower platform (16) and upper mounting plate (17) set gradually, the bottom plate (15), lower platform (16)
It is fixedly mounted on the bracket (1) with upper mounting plate (17) by attaching nut, the part to be detected is placed in the upper mounting plate
(17) between the lower platform (16), the drawing ontology (2) is placed between the bottom plate (15) and the lower platform (16).
6. according to claim 5 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Pressure sensor is equipped between lower platform (16) and part to be detected.
7. according to claim 5 a kind of for detecting the device of concrete fibres bond intensity, which is characterized in that described
Universal wheel and sucker are equipped with below bottom plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504512.1U CN209167091U (en) | 2018-09-14 | 2018-09-14 | It is a kind of for detecting the device of concrete fibres bond intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504512.1U CN209167091U (en) | 2018-09-14 | 2018-09-14 | It is a kind of for detecting the device of concrete fibres bond intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167091U true CN209167091U (en) | 2019-07-26 |
Family
ID=67331237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821504512.1U Active CN209167091U (en) | 2018-09-14 | 2018-09-14 | It is a kind of for detecting the device of concrete fibres bond intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167091U (en) |
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2018
- 2018-09-14 CN CN201821504512.1U patent/CN209167091U/en active Active
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