CN210294021U

CN210294021U - Equipment for drawing test of binding force between cylindrical tile and mortar

Info

Publication number: CN210294021U
Application number: CN201920556172.5U
Authority: CN
Inventors: 王晋文; 陈海峰; 赵旭; 刘逾亮; 白明哲; 王丹丹; 赵文轶
Original assignee: Beijing No 3 Construction Engineering Co Ltd
Current assignee: Beijing No 3 Construction Engineering Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-04-10
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to an equipment that is used for adhesion force between section of thick bamboo tile and mortar to draw experiment, including operation panel, section of thick bamboo tile test piece, set up the fixing device who is used for the centre gripping section of thick bamboo tile test piece on the operation panel and set up the counter weight subassembly that is used for exerting vertical pulling down to the section of thick bamboo tile test piece below the operation panel, the operation panel includes that the top sets up the perforated backup pad, the section of thick bamboo tile test piece includes the section of thick bamboo tile and paints the mortar piece in the section of thick bamboo tile indent side, set firmly the mortar pre-buried drag hook that one end stretches out the mortar piece bottom in the mortar piece, the mortar pre-buried drag hook is connected with; fixing device is including setting up in the first fixed ring of perforation top and setting up the second fixed ring directly over first fixed ring in the backup pad, and the shell tile test piece centre gripping drops from the shell tile that just first fixed ring does not influence the mortar piece between first fixed ring and the second fixed ring. The utility model discloses it is convenient to install to can detect the intensity of cohesive force between pantile and mortar.

Description

Equipment for drawing test of binding force between cylindrical tile and mortar

Technical Field

The utility model belongs to the technical field of the technique of test equipment is drawn to the pantile and specifically relates to an equipment that is used for cohesive force to draw between pantile and mortar to test is related to.

Background

The principle of the drawing test is friction, and the rib material and the soil body are tightly combined by applying normal stress, so that the static friction force on the mutual interfaces is utilized to resist external force (drawing force). The drawing test is widely applied to the building engineering, and solves a plurality of experimental problems in the building engineering.

At present, in building construction, a roof and tiles are mainly bonded by cement lime mortar, but due to the fact that under the influence of environmental protection pressure, large-area production of lime stops, the lime is difficult to obtain, the quality of the lime is not easy to guarantee, and if over-burnt lime exists in the lime, the over-burnt lime is not completely slaked in digestion, so that after the mortar is hardened, the over-burnt lime absorbs water vapor in air to continue slaking, volume expansion is caused, the bonding performance of the tiles and the mortar is influenced, and the like. For the above reasons, the incorporation of lime into the mortar is eventually abandoned. Because remove lime in the mortar, whether the bonding strength of mortar and pantile after removing lime is qualified in order to detect, this application provides a equipment of cohesive force between detection pantile and mortar.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an equipment that is used for cohesive force between pantile and mortar to draw experiment has solved the problem that detects the adhesive property of mortar after removing lime.

The utility model aims at realizing through the following technical scheme:

the device for the bonding force drawing test between the shell tile and mortar comprises an operation table, a shell tile test piece, a fixing device and a counterweight assembly, wherein the fixing device is arranged on the operation table and used for clamping the shell tile test piece, the counterweight assembly is arranged below the operation table and used for applying vertical downward tension to the shell tile test piece, the operation table comprises a supporting plate, the top of the supporting plate is provided with a through hole, the shell tile test piece comprises a shell tile and a mortar block coated on the concave side of the shell tile, a mortar pre-embedded drag hook with one end extending out of the bottom of the mortar block is fixedly arranged in the mortar block, and the mortar pre-embedded drag hook is connected with the counterweight assembly arranged below the supporting plate; fixing device is including setting up in the first fixed ring of perforation top and setting up the second fixed ring directly over first fixed ring in the backup pad, the tile test piece centre gripping just drops from the tile that first fixed ring does not influence the mortar piece between first fixed ring and the second fixed ring.

By adopting the technical scheme, the tile test piece is clamped between the first fixing ring and the second fixing ring for fixing, then the first fixing ring is arranged on the supporting plate right above the through hole, the mortar pre-embedded draw hook penetrates through the through hole to be connected with the counterweight component arranged below the supporting plate, downward pulling force is applied to the mortar through the counterweight component, and the bonding performance of the mortar is judged according to whether the mortar drops from the tile quickly or not; the utility model has the advantages of simple structure, convenient operation just can detect the intensity of cohesive force between pantile and mortar.

The utility model discloses further set up to: the counterweight assembly comprises a steel wire rope and a bearing barrel, wherein one end of the steel wire rope is connected with the mortar pre-embedded drag hook penetrating through the through hole in a pulling mode, and the other end of the steel wire rope is connected with the bearing barrel in a pulling mode and lifts the bearing barrel; the bearing barrel is arranged below the supporting plate and is positioned right below the through hole.

Through adopting above-mentioned technical scheme, the pre-buried drag hook of mortar passes perforation and the wire rope drawknot of backup pad below to mention bearing barrel, make bearing barrel provide decurrent pulling force for the pantile test piece, thereby accomplish bonding strength testing, can adjust the pulling force that bearing barrel applyed through the method that increases or reduces the grit in the bearing barrel simultaneously, easy operation, it is convenient.

The utility model discloses further set up to: the fixing device also comprises a fastening screw rod, and the fastening screw rod penetrates through the first fixing circular ring and the second fixing circular ring along the vertical direction; three first threaded holes are formed in the circumferential surfaces of the outer walls of the first fixed ring and the second fixed ring at equal intervals; three fastening screw passes first screw hole on first fixed ring and the fixed ring of second in proper order along vertical direction to fix first fixed ring with the first nut of twisting soon on fastening screw and being located both sides about first fixed ring, and twist soon and fix the fixed ring of second with the second nut that is located the fixed ring top of second on fastening screw.

Through adopting above-mentioned technical scheme, through fastening screw with the solid fixed ring's of first solid fixed ring and second fixed ring position fixing to fixing device's stability has been guaranteed.

The utility model discloses further set up to: the fixed ring of second is stretched out on the fastening screw top, the fixed back of ring of second, the fixed ring of second certain length is stretched out on the fastening screw top.

Through adopting above-mentioned technical scheme, realized that the solid fixed ring of second adjusts along the vertical direction of fastening screw according to the co-altitude of pantile test piece, makes things convenient for the quick centre gripping of first fixed ring and the fixed ring of second to the pantile test piece.

The utility model discloses further set up to: the support plate is further provided with a three-way pipe, the three-way pipe comprises three TY cast iron tee joints, the three TY cast iron tee joints are distributed in an equilateral triangle shape by taking the through hole as a circle center, and the first fixing ring is fixedly arranged at the top ends of the three TY cast iron tee joints.

Through adopting above-mentioned technical scheme, through setting up the three-way pipe, can improve the distance between first fixed ring and the backup pad to it is more obvious when the section of thick bamboo tile drops from soon to be convenient for observe at the mortar.

The utility model discloses further set up to: TY cast iron tee bend is including seting up at the first mouth of pipe of TY cast iron tee bend bottom, seting up at the second mouth of pipe at TY cast iron tee bend top and setting up the bleeder on TY cast iron tee bend lateral wall, set firmly the second screw hole with first screw hole one-to-one on the second mouth of pipe outer peripheral face, second mouth of pipe upper surface is provided with first fixed ring, fastening screw passes first screw hole and second screw hole in proper order and passes through the nut and fix first fixed ring on the second mouth of pipe.

Through adopting above-mentioned technical scheme, the setting of the second screw hole on the second mouth of pipe for first fixed ring and second mouth of pipe pass through fastening screw and connect, with three-way pipe and fixing device fixed mounting.

The utility model discloses further set up to: the branch pipe is arranged on the side face of the three-way pipe, and the branch pipe is placed outwards.

By adopting the technical scheme, the branch pipes of the three TY cast iron tee joints are prevented from influencing the separation of mortar blocks of the shell tile test piece from the fixing device during the drawing test, so that the drawing test effect is obvious.

The utility model discloses further set up to: a rubber ring with the same size as the second fixed ring is arranged between the second fixed ring and the cylindrical tile.

Through adopting above-mentioned technical scheme, through the in-process at the fixed ring of downward extrusion second, take place corresponding deformation in the unsmooth department of pantile up end, make the lower bottom surface of the fixed ring of second and the upper surface further butt of pantile test piece.

The utility model discloses further set up to: the bottom surface sets firmly four pipe landing legs that are the rectangle and distribute under the backup pad, and is adjacent set firmly the stiffener between the pipe landing leg, the stiffener is close to pipe landing leg bottom and sets up.

Through adopting above-mentioned technical scheme, the pipe landing leg can prop up the bracing piece, is convenient for set up the counter weight subassembly below the backup pad, and the stiffener can increase the stability of operation panel simultaneously.

To sum up, the utility model discloses a beneficial technological effect does:

1. the tile test piece is clamped between the first fixing ring and the second fixing ring to be fixed, then the first fixing ring is placed on the supporting plate right above the through hole, the mortar pre-embedded drag hook penetrates through the through hole to be connected with the counterweight assembly arranged below the supporting plate, downward tension is applied to the mortar through the counterweight assembly, and the bonding performance of the mortar is judged according to whether the mortar falls off from the tile or not, so that the tile test piece has the advantages of simple structure, convenience in operation and capability of detecting the strength of the bonding force between the tile and the mortar;

2. the distance between the first fixing ring and the supporting plate can be increased by arranging the three-way pipe, so that the mortar is more obvious when the mortar quickly falls off from the shell tile, and the observation is convenient;

3. through setting up the rubber ring, at the in-process of the fixed ring of downward extrusion second, take place corresponding deformation in the unsmooth department of pantile up end, make the further butt of the lower bottom surface of the fixed ring of second and the upper surface of pantile test piece, further strengthened the centre gripping of fixing device to the pantile test piece.

Drawings

Fig. 1 is a schematic view of the overall structure of the tee-less pipe of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention with a three-way pipe;

FIG. 3 is a schematic bottom view of the present invention with a tee;

fig. 4 is a schematic structural diagram of the tile test piece of the present invention.

In the figure, 1, an operation table; 11. a support plate; 12. perforating; 13. circular tube supporting legs; 14. a reinforcing bar; 2. a pantile test piece; 21. a pantile; 22. a mortar block; 23. embedding a drag hook in mortar; 3. a fixing device; 31. a first fixed ring; 32. a second fixed ring; 33. fastening a screw rod; 34. a first threaded hole; 35. a first nut; 36. a second nut; 4. a counterweight assembly; 41. a wire rope; 42. a carrying bucket; 5. a three-way pipe; 51. TY cast iron tee joint; 52. a first nozzle; 53. a second orifice; 54. a second threaded hole; 55. a branch pipe; 6. a rubber ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an equipment that is used for cohesive force between pantile and mortar to draw experiment, including keeping flat in subaerial operation panel 1, pantile test piece 2, set up fixing device 3 and the counterweight assembly 4 of setting in operation panel 1 bottom that is used for centre gripping pantile test piece 2 on operation panel 1. The operating table 1 comprises a supporting plate 11 with a through hole 12 formed in the top and four circular tube supporting legs 13 which are fixedly arranged on the bottom surface of the supporting plate 11 and distributed in a rectangular shape, reinforcing rods 14 are fixedly arranged between the adjacent circular tube supporting legs 13, and the reinforcing rods 14 are arranged close to the bottoms of the circular tube supporting legs 13. A fixing device 3 is placed on the supporting plate 11 right above the through hole 12, and a pantile test piece 2 to be tested for bonding strength is clamped on the fixing device 3. With reference to fig. 1 and 4, the pantile test piece 2 comprises a pantile 21 and a mortar block 22 bonded on the concave side of the pantile 21, and a mortar pre-embedded draw hook 23 is fixedly arranged inside the mortar block 22; one end of the mortar pre-buried draw hook 23 extends into the mortar block 22, and the other end of the mortar pre-buried draw hook extends out of the bottom surface of the mortar block 22 along the vertical direction and penetrates through the support plate 11 through the through hole 12 to be connected with the counterweight component 4. Set up counter weight component 4 in backup pad 11 below, counter weight component 4 is located perforation 12 under, and counter weight component 4 draws with mortar pre-buried drag hook 23 and connects for provide the pulling force that detects the adhesive property of pantile test piece 2.

As shown in fig. 1, the fixing device 3 includes a first fixing ring 31 placed on the upper surface of the support plate 11, a second fixing ring 32 disposed in parallel in the vertical direction on the upper portion of the first fixing ring 31, and a fastening screw 33 for fixing the first fixing ring 31 and the second fixing ring 32. The first fixing ring 31 is horizontally placed on the supporting plate 11 above the through hole 12, and the through hole 12 is located at the center of the first fixing ring 31. Three holes are arranged on the peripheral surfaces of the outer walls of the first fixing ring 31 and the second fixing ring 32 at equal intervals, and the holes are first threaded holes 34; the first fixing ring 31 and the second fixing ring 32 are connected by three fastening screws 33. The fastening screw 33 passes through the first threaded holes 34 of the first fixing ring 31 and the second fixing ring 32 along the vertical direction, and the first fixing ring 31 is fixed by the first nuts 35 screwed on the fastening screw 33 and located on the upper side and the lower side of the first fixing ring 31, and the second fixing ring 32 is fixed by the second nuts 36 screwed on the fastening screw 33 and located on the top of the second fixing ring 32.

As shown in FIG. 1, in order to adapt to the lengths of the field different pantile test pieces 2, the pantile test piece 2 can be clamped between a first fixing ring 31 and a second fixing ring 32, so that the length of the fastening screw 33 is slightly longer than the length of the field pantile test piece 2, and can be 3-5 cm. Through the height of adjusting the second fixed ring 32 on the fastening screw 33, the lower bottom surface of the tile 21 is abutted against the upper surface of the first fixed ring 31, the upper surface of the tile 21 is abutted against the lower bottom surface of the second fixed ring 32, and the second nut 36 on the fastening screw 33 is rotated to enable the first fixed ring 31 and the second fixed ring 32 to clamp the tile test piece 2.

As shown in fig. 1, the counterweight assembly 4 comprises a steel wire rope 41 and a bearing barrel 42, the mortar pre-buried draw hook 23 penetrates through the through hole 12, one end of the steel wire rope 41 is connected with the mortar pre-buried draw hook 23 on the lower bottom surface of the tile test piece 2 in a pulling manner, the other end of the steel wire rope is connected with the bearing barrel 42 in a pulling manner through an S-shaped draw hook, and the bearing barrel 42 is lifted; the carrying bucket 42 is disposed below the support plate 11 and directly below the perforation 12 of the support plate 11 for providing a downward pulling force to the tile test piece 2.

When the device is used, the four circular tube supporting legs 13 of the operating platform 1 are horizontally placed on the ground, the lower bottom surface of the first fixed circular ring 31 in the fixing device 3 is abutted against the upper surface of the supporting plate 11, and the first fixed circular ring 31 is arranged right above the through hole 12. The height of the second fixed ring 32 is adjusted according to the height of the pantile test piece 2, and then the pantile test piece 2 is placed between the first fixed ring 31 and the second fixed ring 32. The lower bottom surface of the shoe 21 is abutted against the upper surface of the first fixing ring 31, and the upper surface of the shoe 21 is abutted against the lower bottom surface of the second fixing ring 32. And rotating the second nut 36 on the fastening screw 33 to move the second fixing ring 32 downwards along the fastening screw 33 and clamp the tile test piece 2.

After the tile test piece 2 is clamped in the fixing device 3, the mortar pre-buried draw hook 23 penetrates through the through hole 12, one end of the steel wire rope 41 is connected with the mortar pre-buried draw hook 23 in a pulling mode, and the bearing barrel 42 filled with a certain amount of fine sand is lifted through the S-shaped draw hook at the other end of the steel wire rope.

After the equipment is installed, the equipment is placed statically, and whether the pantile 21 in the pantile test piece 2 is separated from the mortar block 22 or not is observed in a certain time; if the mortar precast block is separated from the pantile 21, the bonding property is poor, otherwise, the bonding property is good.

In the experiment, the relative displacement between the shell tile 21 and the mortar block 22 is the thickness of the first fixed ring 31 because the first fixed ring 31 is too close to the support plate 11, and the change effect is not obvious because of the small displacement, so that the test result is not easy to observe. As shown in fig. 2, preferably, in order to highlight the drawing test effect and improve the falling degree of the mortar block 22, a three-way pipe 5 is provided on the support plate 11. The three-way pipe 5 comprises three TY cast iron tees 51, the TY cast iron tees 51 are vertically placed on the upper surface of the supporting plate 11, the three TY cast iron tees 51 are distributed in an equilateral triangle shape at equal intervals by taking the through holes 12 as centers, and the through holes 12 are positioned at the centers of the equilateral triangle. As shown in fig. 2, the TY cast-iron tee 51 includes a first nozzle 52 whose bottom abuts against the upper surface of the support plate 11 and a second nozzle 53 disposed at the top, and three holes are provided at intervals on the outer peripheral surface of the second nozzle 53 as second screw holes 54. The second threaded hole 54 and the first threaded hole 34 are equally large and the first threaded hole 34 corresponds to the second threaded hole 54. The first fixing ring 31 on the fixing device 3 is arranged on the upper surface of the second pipe orifice 53 of the TY cast iron tee 51 and is connected through a fastening screw rod 33; the upper surface of the first threaded hole 34 of the first fixing ring 31 and the lower surface of the second threaded hole 54 of the second pipe orifice 53 are respectively provided with a first nut 35 which is sleeved on the fastening screw 33, and the first nuts 35 at two sides are screwed to fix the first fixing ring 31 and the second pipe orifice 53. With reference to fig. 2 and 3, in order to avoid the branch pipes 55 of the three TY cast iron tees 51 from affecting the detachment of the mortar block 22 of the pantile test piece 2 from the fixture 3, the branch pipes 55 of the TY cast iron tees 51 are placed outwards.

As shown in fig. 2 and 3, the upper and lower end faces of the tile 21 are not completely horizontal due to the manufacturing process of the tile 21, so that the upper surface of the tile 21 is not necessarily completely attached to the lower bottom surface of the second fixing ring 32, preferably, in order to enhance the abutment between the upper surface of the tile test piece 2 and the lower bottom surface of the second fixing ring 32, a rubber ring with the same size is inserted between the lower bottom surface of the second fixing ring 32 and the upper surface of the tile test piece 2, and in the process of pressing the second fixing ring 32 downward, the uneven part of the upper end face of the tile 21 is deformed correspondingly, so that the lower bottom surface of the second fixing ring 32 is further abutted to the upper surface of the tile test piece 2.

After the equipment is installed, the equipment is placed statically, and whether the mortar block 22 in the tile test piece 2 is completely separated from the tile 21 or not is observed in a certain time. If the test piece is not separated after a certain period of time, the bonding performance between the tile test pieces 2 is proved to be good, otherwise, the bonding performance is not good.

Its advantage of this device lies in that it is convenient to install at the engineering job site, and convenient operation just can detect the intensity of cohesive force between pantile and mortar.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an equipment that is used for cohesive force between pantile and mortar to draw experiment which characterized in that: the mortar embedding device comprises an operation table (1), a tile test piece (2), a fixing device (3) arranged on the operation table (1) and used for clamping the tile test piece (2), and a counterweight assembly (4) arranged below the operation table (1) and used for applying vertical downward tension to the tile test piece (2), wherein the operation table (1) comprises a support plate (11) with a through hole (12) formed in the top, the tile test piece (2) comprises a tile (21) and a mortar block (22) coated on the concave side of the tile (21), a mortar embedding pull hook (23) with one end extending out of the bottom of the mortar block (22) is fixedly arranged in the mortar block (22), and the mortar embedding pull hook (23) is connected with the counterweight assembly (4) arranged below the support plate (11); fixing device (3) including set up in first fixed ring (31) and the second fixed ring (32) of setting directly over first fixed ring (31) of perforation (12) top in backup pad (11), shell tile test piece (2) centre gripping drops on shell tile (21) between first fixed ring (31) and second fixed ring (32) and first fixed ring (31) do not influence mortar piece (22).

2. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 1, wherein: the counterweight component (4) comprises a steel wire rope (41) and a bearing barrel (42), one end of the steel wire rope (41) is connected with the mortar pre-embedded drag hook (23) penetrating through the through hole (12) in a pulling mode, and the other end of the steel wire rope is connected with the bearing barrel (42) in a pulling mode and lifts the bearing barrel (42); the bearing barrel (42) is arranged below the supporting plate (11) and is positioned right below the through hole (12).

3. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 1, wherein: the fixing device (3) further comprises a fastening screw (33), and the fastening screw (33) penetrates through the first fixing circular ring (31) and the second fixing circular ring (32) along the vertical direction; three first threaded holes (34) are arranged on the circumferential surfaces of the outer walls of the first fixing ring (31) and the second fixing ring (32) at equal intervals; three fastening screw (33) pass first screw hole (34) on first fixed ring (31) and the fixed ring of second (32) in proper order along vertical direction to fix first fixed ring (31) with first nut (35) of twisting soon on fastening screw (33) and being located first fixed ring (31) upper and lower both sides, and twist second nut (36) of being located the fixed ring of second (32) top on fastening screw (33) and fix second fixed ring (32).

4. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 3, wherein: fastening screw (33) top stretches out the fixed ring of second (32), the fixed back of ring of second (32), fastening screw (33) top stretches out the fixed ring of second (32) certain length.

5. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 1, wherein: the three-way pipe (5) is further arranged on the supporting plate (11), the three-way pipe (5) comprises three TY cast iron tee joints (51), the three TY cast iron tee joints (51) are distributed in an equilateral triangle mode by taking the through hole (12) as a circle center, and the first fixing ring (31) is fixedly arranged at the top ends of the three TY cast iron tee joints (51).

6. The apparatus for the drawing test of the adhesion between the pantile and the mortar as claimed in claim 5, wherein: TY cast iron tee bend (51) are including seting up first mouth of pipe (52) at TY cast iron tee bend (51) bottom, seting up second mouth of pipe (53) at TY cast iron tee bend (51) top and setting up lateral pipe (55) on TY cast iron tee bend (51) lateral wall, second mouth of pipe (53) outer peripheral face sets firmly second screw hole (54) with first screw hole (34) one-to-one, second mouth of pipe (53) upper surface is provided with first fixed ring (31), it has fastening screw (33) to pass in first screw hole (34) and second screw hole (54) to fix first fixed ring (31) on second mouth of pipe (53) through the nut.

7. The apparatus for the drawing test of the adhesion between the pantile and the mortar as claimed in claim 6, wherein: the branch pipe (55) is arranged on the side face of the three-way pipe (5), and the branch pipe (55) is placed outwards.

8. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 1, wherein: a rubber ring (6) with the same size as the second fixed ring (32) is padded between the second fixed ring (32) and the cylindrical tile (21).

9. The apparatus for the drawing test of the adhesion between the pantile and the mortar according to claim 1, wherein: the bottom surface sets firmly four pipe landing legs (13) that are the rectangle and distribute under backup pad (11), and is adjacent set firmly stiffener (14) between pipe landing leg (13), add stiffener (14) and be close to pipe landing leg (13) bottom setting.