CN114324006B - Detection device for shear strength between polyester fiber concrete layers - Google Patents
Detection device for shear strength between polyester fiber concrete layers Download PDFInfo
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- CN114324006B CN114324006B CN202210012408.5A CN202210012408A CN114324006B CN 114324006 B CN114324006 B CN 114324006B CN 202210012408 A CN202210012408 A CN 202210012408A CN 114324006 B CN114324006 B CN 114324006B
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- 238000001514 detection method Methods 0.000 title claims abstract description 109
- 239000000835 fiber Substances 0.000 title claims abstract description 39
- 229920000728 polyester Polymers 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 16
- 239000011229 interlayer Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a device for detecting the shear strength between polyester fiber concrete layers, which comprises a detection box, wherein a detection cavity is arranged in the detection box, a tray is arranged at the bottom of the detection cavity, clamping mechanisms are arranged at two sides of the bottom of the detection cavity, a reset mechanism is arranged at the upper side of the detection cavity, detection equipment is arranged in the reset mechanism, a box door is hinged at the outer side of the detection box, an embedded groove is formed in the box door, transparent plates are arranged in the embedded groove, supporting mechanisms are arranged at four corners of the bottom of the detection box, an air cylinder is arranged at the upper side of a positioning seat of the detection box, and a push plate is connected to the power output end of the air cylinder. According to the invention, the clamping mechanism can conveniently and rapidly extrude and fix the polyester fiber concrete sample, the shearing strength of the polyester fiber concrete sample is observed through the transparent plate, the polyester fiber concrete is prevented from being cracked and splashed, the detection equipment can be rapidly reset under the action of the reset mechanism after detection is completed, and fragments falling off from the polyester fiber concrete sample are collected through the tray.
Description
Technical Field
The invention belongs to the technical field of concrete detection, and particularly relates to a device for detecting the shear strength between polyester fiber concrete layers.
Background
The prior art CN201610741639.4 discloses a method for detecting the shear strength of a porous brick wall body masonry, which adopts a core drilling method to detect the shear strength of the masonry, directly drills core samples from the masonry, adopts a rapid hardening material to fill and compact holes of the arc surface of the porous brick masonry core sample, and carries out leveling and heightening on the end bearing surface of the core sample, carries out the shear strength test of the core sample along the through seam section, and converts the shear strength of the masonry according to the shear strength of the masonry core sample. According to the method, a core sample is drilled and detected, but the technology cannot well fix a detection sample, the detection sample is easy to slide off, in the shear strength detection process, concrete blocks are easy to horizontally move, concrete broken stones are splashed, safety of a detector is threatened, and when the existing detection equipment is pressed down for detection, the rebound reset effect is absent, so that the detection is inconvenient.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present invention has as its object: aims at providing a device for detecting the shearing strength between polyester fiber concrete layers.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
The device comprises a detection box, wherein a detection cavity is arranged in the detection box, a tray is arranged at the bottom of the detection cavity, clamping mechanisms are arranged at two sides of the bottom of the detection cavity, a reset mechanism is arranged at the upper side of the detection cavity, and detection equipment is arranged in the reset mechanism;
The clamping mechanism comprises a first extrusion device, and the first extrusion device is connected with a second extrusion device;
The first extrusion device comprises a first adjusting seat, a first double-head screw rod is arranged in the first adjusting seat, bearings are arranged on two sides of the first double-head screw rod, the bearings are arranged in the first adjusting seat on two sides, a first rotating disc is arranged on one side of the first double-head screw rod, first nuts are connected on two sides of the first double-head screw rod, first nut mounting sleeves are connected with first nut mounting sleeves, first hinge seats are connected with connecting rods, and second hinge seats are connected on the other side of the connecting rods;
The second extrusion device comprises a second adjusting seat arranged on second hinging seats at two sides, a second double-head threaded screw rod is arranged in the second adjusting seat, bearing seats are arranged at two sides of the second double-head threaded screw rod, the bearing seats are arranged in the second adjusting seat, one side of the second double-head threaded screw rod is connected with a second rotating disc, the second rotating disc is arranged at one side of the second adjusting seat, two sides of the second double-head threaded screw rod are connected with second nuts, the second nuts are connected with second nut mounting sleeves, and the second nut mounting sleeves at two sides are connected with fixing plates;
The reset mechanism comprises guide rods arranged on two sides of the detection cavity, side plates are arranged at the bottoms of the guide rods, the side plates are fixedly arranged on the side walls of the detection cavity, reset springs are arranged on the side plates, the free ends of the reset springs are connected with reset seats, the reset seats are slidably arranged on the guide rods, the two sides of the reset seats are connected with cross bars, positioning seats are fixedly connected between the cross bars, the positioning seats are cylindrical bodies with hollow bottoms, the bottoms of the openings of the cylindrical bodies are provided with holes, threaded holes are formed in the peripheries of the positioning seats, threaded rods are arranged in the threaded holes, one side of each threaded rod is connected with a rotary disc, and the other side of each threaded rod is connected with a fixed plugboard;
The detection equipment comprises a detection seat arranged in a positioning seat, wherein an inserting groove is formed in the position, corresponding to a fixed inserting plate, of the circumference of the detection seat, the fixed inserting plate is arranged in the inserting groove, and a detection head is arranged on the lower side of the detection seat;
The outer side of the detection box is hinged with a box door, the box door is provided with an embedded groove, a transparent plate is arranged in the embedded groove, supporting mechanisms are arranged at four corners of the bottom of the detection box, the detection box is provided with a cylinder at the upper side of a positioning seat, the power output end of the cylinder is connected with a push plate, and the push plate is arranged at the upper side of the positioning seat.
Further limited, the supporting mechanism comprises a supporting seat, a threaded column is connected to the bottom of the supporting seat, a threaded sleeve is connected to the threaded column, and an anti-slip foot pad is connected to the bottom of the threaded sleeve. Such a structural design makes the support more stable and also allows the equilibrium state of the support to be adjusted.
Further limited, the first rotary disk and the second rotary disk are both provided with a storage groove, and a rotary handle is hinged in the storage groove. Such structural design is convenient to rotate to be convenient for accomodate twist grip.
Further limited, install positive pole magnet in the positioning seat, positive pole magnet is connected with negative pole magnet, negative pole magnet installs in detecting the seat. Such a structural design makes the connection more convenient.
Further defined, the compression face of the fixed plate is fitted with a cleat. Such a structural design makes the clamping more stable.
Further limited, the second nut installation cover is welded with the strengthening rib with the fixed plate junction. Such a structural design makes the connection more secure.
Further defined, door lock mechanisms are installed on two sides of the top of the box door, and the other sides of the door lock mechanisms are installed on the detection box. The structural design ensures that the door has a fixing effect after the door is closed.
Further limited, the transparent plate is made of transparent plastic materials. Such a structural design makes the transparent plate more durable.
Further limiting, a plurality of installation sliding grooves are formed in the bottom of the detection cavity, the installation sliding grooves are uniformly arranged in the detection cavity, the installation sliding grooves are connected with fixed sliding blocks in a sliding mode, the fixed sliding blocks are fixedly installed at the bottom of the tray, and the installation sliding grooves and the fixed sliding blocks are in T-shaped structure. The structural design ensures that the tray is more fixed to be installed and is not easy to shake left and right.
The beneficial effects of the invention are as follows: according to the invention, the clamping mechanism is arranged, the first extruding device and the second extruding device on the clamping mechanism are used for conveniently and rapidly extruding and fixing the polyester fiber concrete sample, so that the polyester fiber concrete sample is prevented from sliding, the detection stability is improved, the detection box, the box door and the transparent plate are arranged, the polyester fiber concrete sample with detection is placed into the tray and is placed into the detection box during detection, the clamping mechanism is used for clamping and fixing the polyester fiber concrete sample, the box door is then closed, the shearing strength of the polyester fiber concrete sample is observed through the transparent plate, the personnel protection of a detection personnel is achieved, the fragmentation of the polyester fiber concrete is avoided, the damage to the detection personnel is caused, the detection equipment can be rapidly reset under the action of the reset mechanism after the detection is completed, the next working detection is convenient, and fragments falling off from the polyester fiber concrete sample can be collected through the arranged tray, so that the fragments are conveniently cleaned and cleaned.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of a device for detecting the inter-layer shear strength of a polyester fiber concrete according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a reset mechanism of a device for detecting the inter-layer shear strength of a polyester fiber concrete according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a clamping mechanism of a device for detecting shear strength between polyester fiber concrete layers according to an embodiment of the present invention;
The main reference numerals are as follows:
The detection box 1, the detection chamber 2, the tray 3, the clamping mechanism 4, the reset mechanism 5, the detection device 6, the first pressing device 8, the second pressing device 9, the first adjusting seat 10, the first double-headed screw rod 11, the bearing 12, the first rotating disk 13, the first nut 14, the first nut mounting sleeve 15, the first hinging seat 16, the connecting rod 17, the second hinging seat 18, the second adjusting seat 19, the second double-headed screw rod 20, the bearing seat 21, the second rotating disk 22, the second nut 23, the second nut mounting sleeve 24, the fixing plate 25, the guide rod 26, the side plate 27, the reset spring 28, the reset seat 29, the cross rod 30, the positioning seat 31, the detection seat 32, the detection head 33, the box door 34, the transparent plate 35, the supporting mechanism 36, the cylinder 37, the push plate 38, the supporting seat 39, the screw post 40, the screw sleeve 41, the anti-slip foot pad 42, the rotating handle 43, the positive magnet 44, the negative magnet 45, the pad 46, the reinforcing rib 47, the door lock mechanism 48, and the fixing slide block 49.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, in the device for detecting the shearing strength between polyester fiber concrete layers, a detection cavity 2 is arranged in a detection box 1, a tray 3 is arranged at the bottom of the detection cavity 2, clamping mechanisms 4 are arranged at two sides of the bottom of the detection cavity 2, a reset mechanism 5 is arranged at the upper side of the detection cavity 2, and detection equipment 6 is arranged in the reset mechanism 5;
The clamping mechanism 4 comprises a first extrusion device 8, and the first extrusion device 8 is connected with a second extrusion device 9;
The first extrusion device 8 comprises a first adjusting seat 10, a first double-head threaded screw rod 11 is arranged in the first adjusting seat 10, bearings 12 are arranged on two sides of the first double-head threaded screw rod 11, the bearings 12 on two sides are arranged in the first adjusting seat 10, a first rotating disc 13 is arranged on one side of the first double-head threaded screw rod 11, first nuts 14 are connected on two sides of the first double-head threaded screw rod 11, first nut 14 is connected with a first nut mounting sleeve 15, the first nut mounting sleeve 15 is connected with a first hinging seat 16, the first hinging seat 16 is connected with a connecting rod 17, and a second hinging seat 18 is connected on the other side of the connecting rod 17;
the second extrusion device 9 comprises a second adjusting seat 19 arranged on second hinging seats 18 at two sides, a second double-threaded screw rod 20 is arranged in the second adjusting seat 19, bearing seats 21 are arranged at two sides of the second double-threaded screw rod 20, the bearing seats 21 are arranged in the second adjusting seat 19, one side of the second double-threaded screw rod 20 is connected with a second rotary disk 22, the second rotary disk 22 is arranged at one side of the second adjusting seat 19, two sides of the second double-threaded screw rod 20 are connected with second nuts 23, the second nuts 23 are connected with second nut mounting sleeves 24, and the second nut mounting sleeves 24 at two sides are connected with fixing plates 25;
The reset mechanism 5 comprises guide rods 26 arranged at two sides of the detection cavity 2, side plates 27 are arranged at the bottoms of the guide rods 26, the side plates 27 are fixedly arranged on the side walls of the detection cavity 2, reset springs 28 are arranged on the side plates 27, free ends of the reset springs 28 are connected with reset seats 29, the reset seats 29 are slidably arranged on the guide rods 26, the two side reset seats 29 are connected with cross rods 30, positioning seats 31 are fixedly connected between the two side cross rods 30, the positioning seats 31 are cylindrical bodies with hollow openings at the bottoms, threaded holes are formed in the peripheries of the positioning seats 31, threaded rods are arranged in the threaded holes, one side of each threaded rod is connected with a rotary disc, and the other side of each threaded rod is connected with a fixed plugboard;
The detection equipment 6 comprises a detection seat 32 arranged in a positioning seat 31, a plugging groove is formed in the position, corresponding to the fixed plugging plate, of the circumference of the detection seat 32, the fixed plugging plate is arranged in the plugging groove, and a detection head 33 is arranged at the lower side of the detection seat 32;
The outside of the detection box 1 is hinged with a box door 34, the box door 34 is provided with an embedded groove, transparent plates 35 are installed in the embedded groove, supporting mechanisms 36 are installed at four corners of the bottom of the detection box 1, the detection box 1 is provided with an air cylinder 37 on the upper side of a positioning seat 31, the power output end of the air cylinder 37 is connected with a push plate 38, and the push plate 38 is installed on the upper side of the positioning seat 31.
In this embodiment, when in use, the polyester fiber concrete sample to be detected is placed in the tray 3, the tray 3 is placed in the detection cavity 2, then the first rotating disk 13 at two sides is rotated, so that the first rotating disk 13 drives the first double-threaded screw rod 11 to rotate, the first double-threaded screw rod 11 drives the first nuts 14 at two sides, the first nuts 14 drive the first nut mounting sleeves 15 to move, the first nut mounting sleeves 15 at two sides drive the first hinging seat 16, the first hinging seat 16 drives the connecting rod 17 to move towards the middle, so that the connecting rod 17 pushes the second hinging seat 18, the second hinging seat 18 at two sides pushes the second extruding device 9 to approach the polyester fiber concrete sample and extrude and fix the polyester fiber concrete sample, after the first extruding device 8 pushes the second extruding device 9 to fix two sides of the polyester fiber concrete sample, the second rotating disc 22 at two sides is rotated again, the second rotating disc 22 drives the second double-threaded screw rod 20 to rotate, the second double-threaded screw rod 20 drives the second nuts 23 at two sides to move towards the middle, the second nuts 23 at two sides drive the second nut mounting sleeve 24, the second nut mounting sleeve 24 drives the fixing plate 25 to approach the polyester fiber concrete sample and squeeze and fix the two sides of the polyester fiber concrete sample again, so that the fixing effect on the polyester fiber concrete sample is good, then the detection device 6 is arranged in the positioning seat 31, the rotating disc drives the threaded rod to rotate by twisting the rotating disc, the threaded rod drives the fixing plugboard to push the middle along the threaded hole on the positioning seat 31, the fixing plugboard is inserted into the plugboard groove in the detection seat 32, thereby fixing the detection device 6 is achieved, then the box door 34 is closed, and the air cylinder 37 is started, the cylinder 37 is made to push the push plate 38, the push plate 38 is made to push the positioning seat 31, the positioning seat 31 is made to push the detection equipment 6 and the cross bars 30 on two sides downwards, the cross bars 30 on two sides are made to push the reset seat 29 to move downwards, the reset seat 29 is made to press the reset spring 28 downwards, the reset spring 28 is made to be subjected to compression deformation, the detection equipment 6 is pressed down to contact with a polyester fiber concrete sample, pressure is generated on the sample, the shear strength of the sample is detected, the shear strength of the polyester fiber concrete sample is observed through the transparent plate 35, personal protection is achieved for the detection personnel, broken splashing of the polyester fiber concrete is avoided, injury is caused to the detection personnel, the detection personnel is retracted through the control cylinder 37, and meanwhile, the reset seat 29 is made to rebound by the rebound pushing of the reset spring 28, so that the reset seat 29 drives the cross bars 30, the cross bars 30 drive the positioning seat 31, and the positioning seat 31 drive the detection equipment 6 to reset rapidly.
Preferably, the supporting mechanism 36 comprises a supporting seat 39, a threaded column 40 is connected to the bottom of the supporting seat 39, a threaded sleeve 41 is connected to the threaded column 40, and an anti-slip foot pad 42 is connected to the bottom of the threaded sleeve 41. Such a structural design makes the support more stable and also allows the equilibrium state of the support to be adjusted. In practice, other structural shapes of the support mechanism 36 may be considered as the case may be.
Preferably, the first rotary disk 13 and the second rotary disk 22 are provided with receiving grooves, and a rotary handle 43 is hinged in each receiving groove. Such structural design facilitates the rotation and the accommodation of the rotary handle 43. In practice, other structural shapes of the first rotating disk 13 and the second rotating disk 22 may be considered as the case may be.
Preferably, the positive magnet 44 is mounted in the positioning seat 31, the negative magnet 45 is connected to the positive magnet 44, and the negative magnet 45 is mounted in the detection seat 32. Such a structural design makes the connection more convenient. In practice, other mounting configurations of the test seat 32 may be considered as the case may be.
Preferably, the pressing surface of the fixing plate 25 is fitted with a slip pad 46. Such a structural design makes the clamping more stable. In practice, other structural shapes of the fixing plate 25 may be considered as the case may be.
Preferably, the connection between the second nut mounting sleeve 24 and the fixing plate 25 is welded with a reinforcing rib 47. Such a structural design makes the connection more secure. In practice, other structural shapes of the reinforcing ribs 47 may be considered as the case may be.
Preferably, door lock mechanisms 48 are mounted on both sides of the top of the door 34, and the other side of the door lock mechanisms 48 is mounted on the detection box 1. Such a structural design provides a secure effect after closing the door 34. In fact, other closing securing structure shapes of the door 34 are contemplated as the case may be.
Preferably, the transparent plate 35 is made of transparent plastic material. Such a structural design makes the transparent plate 35 more durable. In practice, other structural shapes of the transparent plate 35 may be considered as the case may be.
Preferably, the bottom of the detection cavity 2 is provided with a plurality of installation sliding grooves, the installation sliding grooves are uniformly arranged in the detection cavity 2, the installation sliding grooves are slidably connected with fixed sliding blocks 49, the fixed sliding blocks 49 are fixedly arranged at the bottom of the tray 3, and the installation sliding grooves and the fixed sliding blocks 49 are in T-shaped structure. The structural design ensures that the tray 3 is more fixed to be installed and is not easy to shake left and right. In practice, other mounting structure shapes of the tray 3 may be considered as the case may be.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (9)
1. The utility model provides a detection device of shear strength between polyester fiber concrete layer which characterized in that: the automatic detection device comprises a detection box (1), wherein a detection cavity (2) is arranged in the detection box (1), a tray (3) is arranged at the bottom of the detection cavity (2), clamping mechanisms (4) are arranged on two sides of the bottom of the detection cavity (2), a reset mechanism (5) is arranged on the upper side of the detection cavity (2), and detection equipment (6) is arranged in the reset mechanism (5);
The clamping mechanism (4) comprises a first extrusion device (8), and the first extrusion device (8) is connected with a second extrusion device (9);
The first extrusion device (8) comprises a first adjusting seat (10), a first double-head threaded screw rod (11) is arranged in the first adjusting seat (10), bearings (12) are arranged on two sides of the first double-head threaded screw rod (11), the bearings (12) are arranged in the first adjusting seat (10), a first rotating disc (13) is arranged on one side of the first double-head threaded screw rod (11), first nuts (14) are connected on two sides of the first double-head threaded screw rod (11), first nut mounting sleeves (15) are connected with first hinge seats (16), connecting rods (17) are connected to the first hinge seats (16), and second hinge seats (18) are connected to the other sides of the connecting rods (17).
The second extrusion device (9) comprises a second adjusting seat (19) arranged on second hinging seats (18) at two sides, a second double-head threaded screw rod (20) is arranged in the second adjusting seat (19), bearing seats (21) are arranged at two sides of the second double-head threaded screw rod (20), the bearing seats (21) are arranged in the second adjusting seat (19), one side of the second double-head threaded screw rod (20) is connected with a second rotary disc (22), the second rotary disc (22) is arranged at one side of the second adjusting seat (19), second nuts (23) are connected at two sides of the second double-head threaded screw rod (20), second nut installation sleeves (24) are connected with second nut installation sleeves (24), and fixing plates (25) are connected at two sides of the second nut installation sleeves (24);
The reset mechanism (5) comprises guide rods (26) arranged on two sides of the detection cavity (2), side plates (27) are arranged at the bottoms of the guide rods (26), the side plates (27) are fixedly arranged on the side walls of the detection cavity (2), reset springs (28) are arranged on the side plates (27), reset seats (29) are connected to the free ends of the reset springs (28), the reset seats (29) are slidably arranged on the guide rods (26), two sides of the reset seats (29) are respectively connected with a cross rod (30), two sides of the reset seats are fixedly connected with positioning seats (31) between the cross rods (30), hollow cylinders with openings are arranged at the bottoms of the positioning seats (31), threaded holes are formed in the peripheries of the positioning seats (31), threaded rods are arranged in the threaded holes, one side of each threaded rod is connected with a rotating disc, and the other side of each threaded rod is connected with a fixing insert plate.
The detection equipment (6) comprises a detection seat (32) arranged in a positioning seat (31), a plugging groove is formed in the position, corresponding to the fixed plug board, of the circumference of the detection seat (32), the fixed plug board is arranged in the plugging groove, and a detection head (33) is arranged on the lower side of the detection seat (32);
The outside of detection case (1) articulates there is chamber door (34), chamber door (34) are equipped with and inlay the groove, inlay inslot and install transparent plate (35), supporting mechanism (36) are installed in four corners in detection case (1) bottom, cylinder (37) are installed in the upside of positioning seat (31) in detection case (1), the power take off end of cylinder (37) is connected with push pedal (38), the upside at positioning seat (31) is installed in push pedal (38).
2. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 1, wherein: the supporting mechanism (36) comprises a supporting seat (39), a threaded column (40) is connected to the bottom of the supporting seat (39), a threaded sleeve (41) is connected to the threaded column (40), and an anti-slip foot pad (42) is connected to the bottom of the threaded sleeve (41).
3. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 2, wherein: the first rotary disk (13) and the second rotary disk (22) are respectively provided with a storage groove, and a rotary handle (43) is hinged in each storage groove.
4. A device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 3, wherein: the positive magnet (44) is arranged in the positioning seat (31), the positive magnet (44) is connected with the negative magnet (45), and the negative magnet (45) is arranged in the detection seat (32).
5. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 4, wherein: an anti-slip pad (46) is arranged on the extrusion surface of the fixing plate (25).
6. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 5, wherein: reinforcing ribs (47) are welded at the joint of the second nut mounting sleeve (24) and the fixing plate (25).
7. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 6, wherein: door lock mechanisms (48) are arranged on two sides of the top of the box door (34), and the other side of each door lock mechanism (48) is arranged on the detection box (1).
8. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 7, wherein: the transparent plate (35) is made of transparent plastic materials.
9. The device for detecting the inter-layer shear strength of a polyester fiber concrete according to claim 8, wherein: the detection chamber (2) bottom is equipped with a plurality of installation spouts, and is a plurality of installation spout is even to be arranged in detection chamber (2), installation spout sliding connection has fixed slider (49), fixed slider (49) fixed mounting is in the bottom of tray (3), installation spout and fixed slider (49) are T shape structure setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012408.5A CN114324006B (en) | 2022-01-06 | 2022-01-06 | Detection device for shear strength between polyester fiber concrete layers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012408.5A CN114324006B (en) | 2022-01-06 | 2022-01-06 | Detection device for shear strength between polyester fiber concrete layers |
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| CN114324006A CN114324006A (en) | 2022-04-12 |
| CN114324006B true CN114324006B (en) | 2024-05-17 |
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