Plastering mortar bonding strength testing device

Abstract

The utility model relates to the technical field of mortar detection, in particular to a plastering mortar bonding strength testing device which comprises a cabinet body, an air cylinder is fixedly installed on the top of an inner cavity of the cabinet body, the output end of the air cylinder is fixedly connected with a tension sensor, and the bottom of the tension sensor is fixedly connected with a connecting rod. A threaded sleeve is rotatably connected to the bottom of the connecting rod, a base is fixedly connected to the bottom of an inner cavity of the cabinet body, two groups of baffles are slidably connected to the base, a test piece is arranged between the two groups of baffles, a connecting block is arranged at the top of the test piece, and plastering mortar is filled between the test piece and the connecting block; the top of the connecting block is fixedly connected with a connecting screw rod matched with the threaded sleeve, a fixing assembly for fixing the position of a test piece is installed on the base to prevent the test piece from shifting and affecting the test result in the test process, a connecting assembly facilitating disassembly and assembly of a baffle is installed on the base, the baffle can be replaced independently, the test cost is reduced, and the test efficiency is improved. Meanwhile, the precision of test data is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mortar detection technical field, concretely is plastering mortar bonding strength test device. BACKGROUND

[0002] Mortar can be divided into masonry mortar and plastering mortar according to use, and mortar tensile bonding strength determines the firmness of ceramic tile, insulation board or other facing materials and wall connection, and mortar with unqualified tensile bonding strength is prone to quality problems such as hollowing, cracking and falling under the action of tensile stress or shear stress caused by various deformations.

[0003] When carrying out mortar bonding strength test, first, a plurality of groups of corresponding mortar test pieces need to be prepared, then a high-strength adhesive such as epoxy resin is used to bond the connecting block to the surface of the test piece, then the test piece is blocked by the baffle and the connecting block is pulled up at a certain speed until the test piece is damaged, and relevant data are recorded, since the baffle bears a large pressure during the test, the baffle may be deformed after multiple tests, affecting the accuracy of the test data. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a plastering mortar bonding strength test device, which can replace the baffle alone, prevent the baffle from deforming and affecting the accuracy of the test data, and reduce the test cost.

[0005] To achieve the above object, the utility model realizes the following technical scheme:

[0006] The plastering mortar bonding strength test device comprises a cabinet body, a cabinet door is hingedly connected to the front side of the cabinet body, a gas cylinder is fixedly installed at the top of the inner cavity of the cabinet body, a tension sensor is fixedly connected to the output end of the gas cylinder, a connecting rod is fixedly connected to the bottom of the tension sensor, a threaded sleeve is rotatably connected to the bottom of the connecting rod, a base is fixedly connected to the bottom of the inner cavity of the cabinet body, two groups of baffles are slidably connected to the base, a test piece is arranged between the two groups of baffles, a connecting block is arranged at the top of the test piece, plastering mortar is filled between the test piece and the connecting block, a connecting screw rod matched with the threaded sleeve is fixedly connected to the top of the connecting block, a fixing assembly for fixing the position of the test piece is installed on the base, a connecting assembly for conveniently disassembling and assembling the baffle is installed on the base, the connecting assembly comprises two groups of plugboards, two groups of installation cavities are formed in the base, and the plugboards are slidably installed in the installation cavities.

[0007] Preferably, the connecting assembly further comprises a sliding plate, the bottom of the sliding plate is in sliding connection with the mounting cavity, the front side of the sliding plate slides through the base, the top of the sliding plate is fixedly connected with a plurality of groups of second inclined blocks, the bottom of the plug-in plate is fixedly connected with a plurality of groups of first inclined blocks corresponding to the second inclined blocks, the top of the plug-in plate is fixedly connected with a plurality of groups of connecting springs, the top of the connecting spring is fixedly connected with the top of the mounting cavity, the baffle is provided with a plug-in slot matched with the plug-in plate, and the bottom of the plug-in plate is provided with an inclined surface.

[0008] Preferably, the fixing assembly comprises a bidirectional screw rod, the bidirectional screw rod is rotationally connected in the inside of the base, the front end of the bidirectional screw rod is fixedly connected with a telescopic rod, the telescopic rod rotationally penetrates through the base, the front end of the telescopic rod is fixedly connected with a rotating plate, the inside wall of the base is slidably connected with two groups of moving blocks, the bidirectional screw rod is threadedly penetrated on the moving blocks, the top of the moving block is hingedly connected with a connecting plate, the end of the connecting plate away from the moving block is hingedly connected with a lifting plate, the top of the lifting plate is fixedly connected with a buffer spring, and the top of the buffer spring is fixedly connected with a placing plate.

[0009] Preferably, the front side of the base is fixedly connected with a reset spring, the front end of the reset spring is in abutment with the rear side of the rotating plate, and the front end of the sliding plate is in abutment with the rear side of the rotating plate.

[0010] Preferably, the top of the base is slidably connected with a cleaning plate, and the bottom of the cleaning plate is fixedly connected with a plurality of groups of brushes.

[0011] Preferably, the bottom of the placing plate is fixedly connected with a dustproof cover, and the inner wall of the dustproof cover is in sliding connection with the outer side of the lifting plate.

[0012] Preferably, the front side of the cabinet body is hingedly connected with a cabinet door, and the cabinet door is provided with an observation window.

[0013] Preferably, the first inclined block and the second inclined block are both in triangular structure, and the inclined surface of the first inclined block is matched with the inclined surface of the second inclined block.

[0014] Preferably, the baffle is in a shape of a Chinese character 'fang', and the baffle is made of stainless steel plate.

[0015] Preferably, the front side of the rotating plate is rotationally connected with a handle.

[0016] Beneficial effects

[0017] The utility model provides a plastering mortar bonding strength test device. Compared with prior art has the following beneficial effects: fixed assembly and connecting assembly are arranged, the fixed assembly can be driven to run through the rotation of the rotating plate, the test piece is fixed between the two groups of baffle plates, the test piece is prevented from shifting and affecting the test result during the test, the sliding plate can be driven to move backward by pressing the rotating plate backward, the baffle plate can be replaced individually under the action of the connecting assembly, thereby avoiding replacing the whole base, reducing the test cost, and ensuring the precision of test data. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the main body structure diagram of the utility model;

[0019] Fig. 2 It is the internal structure diagram of the main body cabinet;

[0020] Fig. 3 It is the sectional structure drawing of fixed assembly;

[0021] Fig. 4 It is the sectional structure drawing of base;

[0022] Fig. 5 It is the sectional structure drawing of connecting assembly;

[0023] Fig. 6 It is the explosion view of connecting assembly.

[0024] In the drawing: 1, cabinet; 2, cabinet door; 3, test piece; 4, threaded sleeve; 5, tension sensor; 6, air cylinder; 7, connecting rod; 8, connecting screw; 9, baffle; 10, connecting block; 11, cleaning plate; 12, brush; 13, base; 14, placing plate; 15, dust cover; 16, buffer spring; 17, lifting plate; 18, connecting plate; 19, moving block; 20, bidirectional screw; 21, telescopic rod; 22, reset spring; 23, rotating plate; 24, plugboard; 25, sliding plate; 26, connecting spring; 27, first inclined block; 28, second inclined block; 29, insertion groove; 30, installation cavity. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figs. 1-6 The utility model provides a technical scheme: plastering mortar bonding strength test device, including cabinet 1, cabinet 1 The front side is hinged with a cabinet door 2The inner cavity top of the cabinet body 1 is fixedly provided with a gas cylinder 6, the output end of the gas cylinder 6 is fixedly connected with a tension sensor 5, the bottom of the tension sensor 5 is fixedly connected with a connecting rod 7, the bottom of the connecting rod 7 is rotationally connected with a threaded sleeve 4, the inner cavity bottom of the cabinet body 1 is fixedly connected with a base 13, two groups of baffle plates 9 are slidingly connected on the base 13, a test piece 3 is arranged between the two groups of baffle plates 9, the test piece 3 is provided with a connecting block 10 at the top, the test piece 3 and the connecting block 10 are filled with plastering mortar, the connecting block 10 is fixedly connected with a connecting screw 8 matched with the threaded sleeve 4 at the top, the base 13 is provided with a fixing assembly for fixing the position of the test piece 3, and the base 13 is provided with a connecting assembly for facilitating the disassembly and assembly of the baffle plates 9, the connecting assembly comprises two groups of plug plates 24, and two groups of installation cavities 30 are formed in the base 13, and the plug plates 24 are slidingly installed on the installation cavities 30.

[0027] In use, the test piece 3 is placed between the two groups of baffle plates 9 and fixed through the fixing assembly, so that the test piece 3 is prevented from being displaced during the test and affecting the test result, then the threaded sleeve 4 is slowly lowered under the control of the gas cylinder 6, the threaded sleeve 4 is connected with the connecting screw 8 by manually rotating the threaded sleeve 4, the threaded sleeve 4 and the connecting screw 8 are firmly connected, then the threaded sleeve 4 is lifted under the control of the gas cylinder 6, the connecting block 10 is subjected to upward tension, the test piece 3 is blocked by the baffle plate 9 and cannot be lifted, the tension is gradually increased until the plastering mortar between the test piece 3 and the connecting block 10 is damaged, the test is completed, the tension sensor 5 is used for detecting tension data, after the test is completed, if the baffle plate 9 is deformed, the new baffle plate 9 can be replaced through the connecting assembly without replacing the whole base 13, so that the test cost is reduced and the accuracy of the test data is ensured.

[0028] The connecting assembly further comprises a sliding plate 25, the bottom of the sliding plate 25 is slidingly connected with the installation cavity 30, the front side of the sliding plate 25 is slidingly arranged out of the base 13, the top of the sliding plate 25 is fixedly connected with a plurality of second inclined blocks 28, the bottom of the plug plate 24 is fixedly connected with a plurality of first inclined blocks 27 corresponding to the second inclined blocks 28, the top of the plug plate 24 is fixedly connected with a plurality of connecting springs 26, the top of the connecting spring 26 is fixedly connected with the inner top of the installation cavity 30, the baffle plate 9 is provided with a plug groove 29 matched with the plug plate 24, and the bottom of the plug plate 24 is provided with an inclined surface.

[0029] When the baffle plate 9 needs to be replaced, the front side of the sliding plate 25 is manually pressed backward, the second inclined block 28 moves backward, the first inclined block 27 moves upward, the plug plate 24 moves upward, the bottom of the plug plate 24 is separated from the plug groove 29, the baffle plate 9 can be taken out, then the new baffle plate 9 is slidingly inserted into the base 13, the plug plate 24 rises under the action of the bottom inclined surface, when the plug plate 24 is aligned with the plug groove 29, the plug plate 24 is inserted into the plug groove 29 under the action of the connecting spring 26, the baffle plate 9 is fixed, and the replacement of the baffle plate 9 is completed.

[0030] The fixing assembly comprises a bidirectional screw rod 20 rotatably connected to the inner wall of the base 13, a telescopic rod 21 fixedly connected to the front end of the bidirectional screw rod 20, the telescopic rod 21 rotatably penetrating out of the base 13, a rotating plate 23 fixedly connected to the front end of the telescopic rod 21, two groups of moving blocks 19 slidably connected to the inner wall of the base 13, the bidirectional screw rod 20 threadedly penetrating through the moving blocks 19, a connecting plate 18 hingedly connected to the top of the moving block 19, a lifting plate 17 hingedly connected to the end of the connecting plate 18 away from the moving block 19, a buffer spring 16 fixedly connected to the top of the lifting plate 17, and a placing plate 14 fixedly connected to the top of the buffer spring 16.

[0031] The test piece 3 is placed on the top of the placing plate 14, the rotating plate 23 is manually rotated to drive the bidirectional screw rod 20 to rotate, the two groups of moving blocks 19 are close to each other, the lifting plate 17 is lifted under the action of the connecting plate 18, the placing plate 14 is lifted through the buffer spring 16, the test piece 3 is lifted, until the top of the test piece 3 abuts against the baffle 9, and meanwhile, the connecting block 10 needs to be ensured to be between the two groups of baffles 9, and the buffer spring 16 can prevent the pressure from being too large and damaging the test piece 3 or other parts.

[0032] The base 13 is fixedly connected with a reset spring 22 at the front side, the front end of the reset spring 22 abuts against the rear side of the rotating plate 23, and the front end of the sliding plate 25 abuts against the rear side of the rotating plate 23.

[0033] The rotating plate 23 can be driven to move backward by pressing the rotating plate 23 backward, and the reset spring 22 can reset the rotating plate 23.

[0034] The top of the base 13 is slidably connected with a cleaning plate 11, the bottom of the cleaning plate 11 is fixedly connected with a plurality of groups of brushes 12, after the test is completed, the test piece 3 can be taken out by rotating the rotating plate 23 to drive the test piece 3 to descend through the fixing assembly and then rotating the cleaning plate 11, and meanwhile, the brushes 12 can clean the debris on the surface of the placing plate 14, thereby facilitating subsequent tests.

[0035] The bottom of the placing plate 14 is fixedly connected with a dust cover 15, the inner wall of the dust cover 15 is slidably connected with the outer side of the lifting plate 17, and the dust cover 15 can prevent the debris from entering between the placing plate 14 and the buffer spring 16 to jam the buffer spring 16 and affect the operation of the device.

[0036] The front side of the cabinet body 1 is hingedly connected with a cabinet door 2, and the cabinet door 2 is provided with an observation window, so that the debris can be prevented from flying everywhere during the test, and the safety of the test personnel can be protected.

[0037] The first inclined block 27 and the second inclined block 28 are both in triangular structures, the inclined surface of the first inclined block 27 is matched with the inclined surface of the second inclined block 28, the baffle 9 is in a shape of a Chinese character 'fang', and the baffle 9 is made of a stainless steel plate, and the front side of the rotating plate 23 is rotatably connected with a handle, thereby facilitating rotation.

[0038] Working principle: in use, the test piece 3 is placed on the top of the placement plate 14, the rotating plate 23 is manually rotated to drive the bidirectional screw rod 20 to rotate, the two groups of moving blocks 19 are close to each other, the lifting plate 17 is lifted under the action of the connecting plate 18, the placement plate 14 is lifted through the buffer spring 16, the test piece 3 is lifted, until the top of the test piece 3 abuts against the baffle 9, preventing the test piece 3 from shifting during the test and affecting the test results, and the connecting block 10 needs to be ensured between the two groups of baffles 9, then the threaded sleeve 4 is slowly lowered under the action of the air cylinder 6, and the threaded sleeve 4 is connected with the connecting screw rod 8 by manually rotating the threaded sleeve 4, after the threaded sleeve 4 is firmly connected with the connecting screw rod 8, the threaded sleeve 4 is lifted under the action of the air cylinder 6, the connecting block 10 is subjected to upward tension, the test piece 3 is blocked by the baffle 9 and cannot be lifted, the tension gradually increases until the plastering mortar between the test piece 3 and the connecting block 10 is damaged, the test is completed, the tension sensor 5 is used to detect the tension data, after the test is completed, if the baffle 9 is deformed, the sliding plate 25 is moved backward by manually pressing the rotating plate 23, the second inclined block 28 moves backward, the first inclined block 27 moves upward, the plug plate 24 moves upward, the bottom of the plug plate 24 is separated from the insertion slot 29, the baffle 9 can be taken out, then the new baffle 9 is inserted into the base 13, the plug plate 24 is lifted under the action of the bottom inclined surface, when the plug plate 24 is aligned with the insertion slot 29, the plug plate 24 is lowered and inserted into the insertion slot 29 under the action of the connecting spring 26, the baffle 9 is fixed, so the replacement of the baffle 9 is completed, without replacing the entire base 13, thereby reducing the test cost and ensuring the accuracy of the test data.

Claims

1. Device for testing the adhesive strength of a plastering mortar, comprising a cabinet (1), characterized in that: The front side of the cabinet body (1) is hinged with a cabinet door (2), the top of the inner cavity of the cabinet body (1) is fixedly installed with an air cylinder (6), the output end of the air cylinder (6) is fixedly connected with a tension sensor (5), the bottom of the tension sensor (5) is fixedly connected with a connecting rod (7), the bottom of the connecting rod (7) is rotatably connected with a threaded sleeve (4), the bottom of the cabinet body (1) is fixedly connected with a base (13), two groups of baffles (9) are slidably connected on the base (13), a test piece (3) is arranged between the two groups of baffles (9), the top of the test piece (3) is provided with a connecting block (10), the test piece (3) and the connecting block (10) are filled with plastering mortar, the top of the connecting block (10) is fixedly connected with a connecting screw (8) matched with the threaded sleeve (4), the base (13) is provided with a fixing assembly for fixing the position of the test piece (3), and the base (13) is provided with a connecting assembly for facilitating disassembly and assembly of the baffle (9), the connecting assembly comprises two groups of plug plates (24), and two groups of installation cavities (30) are formed in the base (13).

2. A test device for bonding strength of a plastering mortar according to claim 1, characterized in that: The connecting assembly further comprises a sliding plate (25), the bottom of the sliding plate (25) is slidably connected with the installation cavity (30), the front side of the sliding plate (25) slides out of the base (13), the top of the sliding plate (25) is fixedly connected with a plurality of second inclined blocks (28), the bottom of the plug plate (24) is fixedly connected with a plurality of first inclined blocks (27) corresponding to the second inclined blocks (28), the top of the plug plate (24) is fixedly connected with a plurality of connecting springs (26), the top of the connecting spring (26) is fixedly connected with the top of the installation cavity (30), and the baffle (9) is provided with a plug groove (29) matched with the plug plate (24).

3. A test device for bonding strength of a plastering mortar according to claim 1, characterized in that: The fixing assembly comprises a bidirectional screw rod (20), the bidirectional screw rod (20) is rotatably connected in the base (13), the front end of the bidirectional screw rod (20) is fixedly connected with a telescopic rod (21), the telescopic rod (21) rotatably penetrates out of the base (13), the front end of the telescopic rod (21) is fixedly connected with a rotating plate (23), two groups of moving blocks (19) are slidably connected on the inner wall of the base (13), the bidirectional screw rod (20) is threadedly penetrated on the moving block (19), the top of the moving block (19) is hingedly connected with a connecting plate (18), the end of the connecting plate (18) away from the moving block (19) is hingedly connected with a lifting plate (17), the top of the lifting plate (17) is fixedly connected with a buffer spring (16), and the top of the buffer spring (16) is fixedly connected with a placing plate (14).

4. A test device for bonding strength of plastering mortar according to claim 2, characterized in that: The front side of the base (13) is fixedly connected with a reset spring (22), the front end of the reset spring (22) abuts against the rear side of the rotating plate (23), and the front end of the sliding plate (25) abuts against the rear side of the rotating plate (23).

5. The test device for bonding strength of plastering mortar according to claim 1, characterized in that: The top of the base (13) is slidably connected with a cleaning plate (11), and the bottom of the cleaning plate (11) is fixedly connected with a plurality of brush groups (12).

6. A test device for bonding strength of plastering mortar according to claim 3, characterized in that: The dust cover (15) is fixedly connected to the bottom of the placing plate (14), and the inner wall of the dust cover (15) is slidably connected to the outer side of the lifting plate (17).

7. A test device for bonding strength of plastering mortar according to claim 1, characterized in that: The cabinet door (2) is hingedly connected to the front side of the cabinet body (1), and the cabinet door (2) is provided with an observation window.

8. A test device for bonding strength of plastering mortar according to claim 2, characterized in that: The first inclined block (27) and the second inclined block (28) are both in triangular structure, and the inclined surface of the first inclined block (27) is matched with the inclined surface of the second inclined block (28).

9. A test device for bonding strength of plastering mortar according to claim 1, characterized in that: The baffle (9) is in a character-shaped structure, and the baffle (9) is made of stainless steel plate.

10. A test device for bonding strength of plastering mortar according to claim 3, characterized in that: The rotating plate (23) is rotatably connected with a handle on the front side.

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