CN216449315U

CN216449315U - Tensile shear strength detection device of structure adhesive

Info

Publication number: CN216449315U
Application number: CN202122746554.4U
Authority: CN
Inventors: 梅江; 李向阳
Original assignee: Ningbo Blue Ocean Engineering Testing Co ltd
Current assignee: Ningbo Blue Ocean Engineering Testing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-06
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of adhesive force detection, and discloses a device for detecting the tensile shear strength of a structural adhesive, which comprises a base, wherein a fixed seat is arranged on the base, an adhesive plate is arranged on the fixed seat, a limiting mechanism is also arranged on the fixed seat, and the limiting mechanism can be adjusted and arranged and is used for limiting the adhesive plate; the base is fixedly connected with a support, and a pressure measuring assembly is arranged on the support and used for extruding the sticky blocks and testing the viscosity between the sticky blocks and the sticky plates. According to the utility model, through the design of the limiting mechanism, when the sticky board is installed, the L-shaped stretching frame and the L-shaped stretching clamping plate are pulled to stretch and expand, the size of the sticky board is adjusted to be proper to that of the sticky board, and the sticky board can be clamped and fixed, so that the limiting mechanism can be adjusted in a certain range according to the thickness, width and length of different sticky boards, and the applicability and test stability of the device are improved.

Description

Tensile shear strength detection device of structure adhesive

Technical Field

The utility model relates to the technical field of adhesive force detection, in particular to a device for detecting the tensile shear strength of a structural adhesive.

Background

The structural adhesive is an adhesive which has high strength, compression strength of more than 65MPa, steel-steel positive tensile bonding strength of more than 30MPa, shear strength of more than 18MPa, can bear larger load, is aging-resistant, fatigue-resistant and corrosion-resistant, has stable performance in the expected life, and is suitable for bonding strong structural members.

Most existing structural adhesive force strength detection devices have certain defects when used, detection methods, detection steps or detection devices are too complex, a good limiting mechanism is not used for limiting a bonding material, good detection stability and inconvenience in operation are avoided, and when structural adhesive force needs to be detected, structural adhesive needs to be kept still for air drying, detection can be carried out, a large amount of time is wasted, and the inconvenience that detection efficiency is low is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for detecting the tensile shear strength of a structural adhesive, which has the beneficial effects of improving the detection efficiency and the detection stability and is convenient to operate, and solves the problems that the detection method, the detection steps or the detection device in the background art are too complicated, no good limiting mechanism is used for limiting a bonding material, no good detection stability is provided, the operation is inconvenient, when the structural adhesive force needs to be detected, the structural adhesive needs to be kept still for air drying, the detection can be carried out, a large amount of time is wasted, and the detection efficiency is low.

The utility model provides the following technical scheme: the structural adhesive tensile shear strength detection device comprises a base, wherein a fixed seat is arranged on the base, a sticky plate is arranged on the fixed seat, and a limiting mechanism is also arranged on the fixed seat and is adjustable and used for limiting the sticky plate;

the sticky plate is bonded with a sticky block through structural adhesive, the base is also fixedly connected with a support, and the support is provided with a pressure measuring assembly for extruding the sticky block and testing the viscosity between the sticky block and the sticky plate;

and a drying plate is also arranged between the fixed seat and the adhesive plate and used for accelerating the glue drying of the structure.

As an alternative of the structural adhesive tensile shear strength detection device of the present invention, wherein: stop gear includes the L type tensile frame with fixing base sliding connection, and passes through spring coupling between L type tensile frame and the fixing base, the other end of L type tensile frame has cup jointed the tensile splint of L type, and passes through spring coupling between tensile splint of L type and the tensile frame of L type for stop gear's horizontal and vertical regulation.

As an alternative of the structural adhesive tensile shear strength detection device of the present invention, wherein: the limiting mechanisms are arranged on the fixing base, and are uniformly distributed on the fixing base, so that the limiting stability of the limiting mechanisms for limiting the adhesive plates is improved.

As an alternative of the structural adhesive tensile shear strength detection device of the present invention, wherein: the pressure measuring assembly comprises a threaded rod connected with a support in a threaded manner, a mounting plate is connected to one end of the threaded rod in a rotating manner, a limiting rod is connected to the support in a sliding manner, the other end of the limiting rod is fixedly connected with the mounting plate and used for limiting movement of the mounting plate, a pressure sensor is fixedly connected to the mounting plate, a pressure plate assembly is arranged at the bottom of the pressure sensor, and the pressure measuring assembly extrudes the sticky block through the pressure plate assembly.

As an alternative of the structural adhesive tensile shear strength detection device of the present invention, wherein: the clamp plate subassembly includes the fixed frame with pressure sensor fixed connection, sliding connection has the clamp plate in the fixed frame for adjust the clamp plate and glue the interval between the piece.

As an alternative of the structural adhesive tensile shear strength detection device of the present invention, wherein: the drying plate is fixedly connected with the fixing seat, and a heating wire is arranged in the drying plate.

The utility model has the following beneficial effects:

1. this tensile shear strength detection device of structure adhesive, design through stop gear, when installing the sticky board, tensile extension is carried out to tensile splint of pulling L type tensile frame and L type, put the sticky board again to tensile expansion space that forms, loosen the tensile frame of L type and the tensile splint of L type, the spring drives the tensile frame of L type and the tensile splint of L type respectively and carries out the centre gripping fixedly to the sticky board, thereby reach the stability in the test procedure, and stop gear can also glue the plate thickness according to the difference in the certain limit, width and length are adjusted, the device's suitability has been improved.

2. This tensile shear strength detection device of structure adhesive, through the design of clamp plate subassembly, when pressure measuring subassembly was to the sticking block pressure measurement, according to the interval between the thickness horizontal slip regulation clamp plate of sticking plate and the sticking plate, reach the vertical spacing between adjustment clamp plate and the sticking block simultaneously for the clamp plate subassembly can be adjusted according to the sticking plate of different thickness in certain extent, has further improved the device's suitability.

3. This tensile shear strength detection device of structure adhesive, through the design of stoving board, when drying to the structure glue, the heater strip that carries out electric connection with the power generates heat to on conducting the heat source to the sticky plate through stoving board, the sticky plate conducts the heat source to the structure again and glues, makes the moisture in the structure glue evaporate with higher speed, improves the dry and hard speed and the detection efficiency that the structure glued.

Drawings

FIG. 1 is a perspective view of a structural adhesive tensile shear strength testing apparatus according to the present invention.

FIG. 2 is a front view of the structural adhesive tensile shear strength testing apparatus of the present invention.

Fig. 3 is a perspective view of a fixing base of the structural adhesive tensile shear strength detection device provided by the utility model.

Fig. 4 is a top view of a fixing base of the structural adhesive tensile shear strength detection device provided by the utility model.

Fig. 5 is a schematic diagram of a drying plate structure of the structural adhesive tensile shear strength detection device provided by the utility model.

In the figure: 1. a base; 2. a limiting mechanism; 21. an L-shaped stretching frame; 22. an L-shaped stretching splint; 3. a fixed seat; 4. sticking the plate; 5. sticking blocks; 6. a limiting rod; 7. a threaded rod; 8. mounting a plate; 9. a pressure sensor; 10. a support; 11. a fixing frame; 12. pressing a plate; 13. drying the plate; 14. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the device for detecting the tensile shear strength of the structural adhesive comprises a base 1, wherein a fixed seat 3 is arranged on the base 1, a sticky plate 4 is arranged on the fixed seat 3, a limiting mechanism 2 is further arranged on the fixed seat 3, and the limiting mechanism 2 is adjustably arranged and used for limiting the sticky plate 4;

the sticky plate 4 is bonded with a sticky block 5 through structural adhesive, the base 1 is also fixedly connected with a support 10, and the support 10 is provided with a pressure measuring assembly for extruding the sticky block 5 and testing the viscosity between the sticky block and the sticky plate 4;

a drying plate 13 is arranged between the fixed seat 3 and the sticky plate 4 and used for accelerating the glue drying of the structure.

When detecting the viscosity of structural adhesive, fix sticky board 4 on fixing base 3 through stop gear 2, bond sticky block 5 on sticky board 4 through structural adhesive again, carry out electric connection with stoving board 13 and power this moment, stoving board 13 passes to the structural adhesive through sticky board 4 with the heat source, and carry out stoving work to the moisture in the structural adhesive, thereby reach quick dry glue effect, thereby improve detection efficiency, after the structural adhesive is dry hard, exert pressure to sticky block 5 through the pressure measurement subassembly, the pressure that sticky block 5 received this moment and the viscous force of structural adhesive to sticky block 5 production are directly proportional, thereby test out the viscous force degree of structural adhesive, with this effect that reaches the operation of being convenient for.

Example 2

The embodiment is an improvement made on the basis of embodiment 1, and specifically, with reference to fig. 1, 3 and 4, the limiting mechanism 2 includes an L-shaped stretching frame 21 slidably connected to the fixing base 3, the L-shaped stretching frame 21 and the fixing base 3 are connected by a spring, an L-shaped stretching clamping plate 22 is sleeved on the other end of the L-shaped stretching frame 21, and the L-shaped stretching clamping plate 22 and the L-shaped stretching frame 21 are connected by a spring for lateral and longitudinal adjustment of the limiting mechanism 2.

Further, stop gear 2 is provided with a plurality of altogether, and a plurality of stop gear 2 evenly distributed is on fixing base 3 for improve stop gear 2 and to 4 spacing stability of bonding plate.

When the sticky plate 4 is installed, the L-shaped stretching frame 21 and the L-shaped stretching clamping plate 22 are pulled simultaneously, at the moment, the L-shaped stretching frame 21 and the L-shaped stretching clamping plate 22 are stretched and expanded transversely and longitudinally respectively, the sticky plate 4 is placed in an expansion space formed by stretching the L-shaped stretching frame 21 and the L-shaped stretching clamping plate 22, the L-shaped stretching frame 21 and the L-shaped stretching clamping plate 22 are loosened at the moment, the springs drive the L-shaped stretching frame 21 and the L-shaped stretching clamping plate 22 to tighten respectively, the sticky plate 4 is clamped and fixed, the sticky plate 4 is limited on the fixing seat 3, the installation work of the sticky plate 4 is completed, the stability in the test process is achieved, and the limiting mechanism 2 can be adjusted according to the thickness, the width and the length of different sticky plates 4 within a certain range, so that the applicability of the device is improved.

Example 3

The embodiment is an improvement made on the basis of embodiment 1, and specifically, with reference to fig. 1-2, the pressure measuring assembly includes a threaded rod 7 in threaded connection with a support 10, one end of the threaded rod 7 is rotatably connected with a mounting plate 8, the support 10 is further connected with a limiting rod 6 in a sliding manner, the other end of the limiting rod 6 is fixedly connected with the mounting plate 8 and used for limiting movement of the mounting plate 8, the mounting plate 8 is further fixedly connected with a pressure sensor 9, the bottom of the pressure sensor 9 is provided with a pressure plate assembly, and the pressure measuring assembly extrudes the sticky block 5 through the pressure plate assembly.

When testing the viscosity of structural adhesive, rotatory threaded rod 7, threaded rod 7 drives mounting panel 8 through the screw and carries out the displacement this moment, and under the effect of gag lever post 6, mounting panel 8 in the displacement carries on spacingly, make mounting panel 8 can carry out horizontal displacement, when mounting panel 8 displacement, mounting panel 8 drives pressure sensor 9 and carries out the displacement, pressure sensor 9 drives the clamp plate subassembly and carries out the displacement, after clamp plate subassembly and sticky piece 5 contact, it produces pressure to push down sticky piece 5, sticky piece 5 pushes down the resistance that the clamp plate subassembly produced and the pushing down force that threaded rod 7 produced, make pressure sensor 9's both ends receive the extrusion of two relative direction forces, thereby measure the viscous force that the structural adhesive, accomplish detection achievement.

Example 4

The present embodiment is an improvement made on the basis of embodiment 3, and specifically, with reference to fig. 1-2, the pressure plate assembly includes a fixed frame 11 fixedly connected with the pressure sensor 9, and a pressure plate 12 slidably connected with the fixed frame 11 for adjusting the distance between the pressure plate 12 and the adhesive block 5.

When the pressure measuring component measures the pressure of the sticky block 5, the distance between the pressing plate 12 and the sticky plate 4 is adjusted according to the thickness of the sticky plate 4 by horizontally sliding the pressing plate 12, and the vertical distance between the pressing plate 12 and the sticky block 5 is adjusted at the same time, so that the pressing plate component can be adjusted according to the sticky plate 4 with different thicknesses within a certain range, and the applicability of the device is further improved.

Example 5

The embodiment is an improvement made on the basis of embodiment 1, and specifically, with reference to fig. 5, a drying plate 13 is fixedly connected with a fixed seat 3, and a heating wire 14 is arranged in the drying plate 13.

When the structural adhesive is dried, the drying plate 13 and the power supply are electrically connected, the heating wire 14 heats at the moment, the heat source is conducted to the sticky plate 4 through the drying plate 13, the sticky plate 4 conducts the heat source to the structural adhesive, the moisture in the structural adhesive is accelerated to evaporate, and the hardening speed and the detection efficiency of the structural adhesive are improved at the moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Tensile shear strength detection device of structure adhesive, including base (1), its characterized in that: a fixed seat (3) is arranged on the base (1), a sticky plate (4) is arranged on the fixed seat (3), a limiting mechanism (2) is further arranged on the fixed seat (3), and the limiting mechanism (2) is arranged in an adjustable mode and used for limiting the sticky plate (4);

the sticky plate (4) is bonded with a sticky block (5) through a structural adhesive, the base (1) is also fixedly connected with a support (10), and the support (10) is provided with a pressure measuring assembly for extruding the sticky block (5) and testing the viscosity between the sticky block and the sticky plate (4);

and a drying plate (13) is also arranged between the fixed seat (3) and the sticky plate (4) and is used for accelerating the glue drying of the structure.

2. The structural adhesive tensile shear strength test apparatus of claim 1, wherein: stop gear (2) include with fixing base (3) sliding connection's L type tensile frame (21), and pass through spring coupling between L type tensile frame (21) and fixing base (3), the other end of L type tensile frame (21) has cup jointed the tensile splint of L type (22), and passes through spring coupling between tensile splint of L type (22) and the tensile frame of L type (21) for stop gear's (2) horizontal and vertical regulation.

3. The structural adhesive tensile shear strength test apparatus of claim 2, wherein: limiting mechanism (2) are provided with a plurality of altogether, and a plurality of limiting mechanism (2) evenly distributed is on fixing base (3) for improve limiting mechanism (2) to the spacing stability of bonding plate (4).

4. The structural adhesive tensile shear strength test apparatus of claim 1, wherein: the pressure measuring assembly comprises a threaded rod (7) connected with a support (10) in a threaded manner, one end of the threaded rod (7) is rotatably connected with a mounting plate (8), the support (10) is further connected with a limiting rod (6) in a sliding manner, the other end of the limiting rod (6) is fixedly connected with the mounting plate (8), the mounting plate (8) is used for limiting movement, a pressure sensor (9) is further fixedly connected onto the mounting plate (8), a pressure plate assembly is arranged at the bottom of the pressure sensor (9), and the pressure measuring assembly extrudes the sticky block (5) through the pressure plate assembly.

5. The structural adhesive tensile shear strength detection apparatus of claim 4, wherein: the clamp plate subassembly includes fixed frame (11) with pressure sensor (9) fixed connection, sliding connection has clamp plate (12) in fixed frame (11) for adjust clamp plate (12) and glue the interval between piece (5).

6. The structural adhesive tensile shear strength test apparatus of claim 1, wherein: the drying plate (13) is fixedly connected with the fixed seat (3), and a heating wire (14) is arranged in the drying plate (13).