CN217981151U - Sleeve grouting material fluidity testing arrangement for steel bar connection - Google Patents

Abstract

The utility model discloses a testing device for fluidity of sleeve grouting material for steel bar connection, which comprises a table plate, the top of the table plate is movably connected with a transparent support plate, the bottom end of the transparent support plate is provided with a disc, and the disc is rotatably connected with the table plate. The top of the disc is provided with at least two scale lines perpendicular to each other, the middle part of the top of the transparent support is provided with a horizontal indicator, the sides of the transparent support are respectively fixedly connected with a limit stabilization mechanism, and the four corners of the bottom of the table are respectively fixedly connected with outriggers; The position-limiting and stabilizing mechanism includes a fixing seat, which is fixedly connected to the side of the transparent supporting plate, one end of the adjustment part is fixedly connected to the top of the fixing seat, and the other end of the adjustment part is fixedly connected to the clamping part. The device of the utility model can manually adjust the level of the transparent supporting plate, and can quickly and accurately read the value through the positioning line of the truncated cone die and rotating the corresponding disc with the scale line, so that the fluidity test is more accurate and fast . At the same time, the device is easy to disassemble and easy to clean for next use.

Description

A testing device for fluidity of sleeve grouting material for steel bar connection

technical field

The utility model belongs to the technical field of building material detection, in particular to a testing device for the fluidity of grouting material of a socket used for steel bar connection.

Background technique

The sleeve grouting material for steel bar connection is a dry mixture composed of cement as the basic material, fine aggregate, concrete admixture and other materials. It is characterized by large fluidity, early strength, high strength, and micro-expansion properties after mixing with water, and is widely used in the connection nodes of prefabricated concrete structures.

The existing test device has the following problems: it is difficult to keep the glass plate placed horizontally during the test, causing the slurry to incline in the same direction, resulting in serious measurement errors; it takes time and effort to measure the diameters of the slurry in two directions perpendicular to each other, and the measurement is difficult. It is easy to cause errors. Therefore, it is necessary to design a testing device for the fluidity of sleeve grouting material for steel bar connection to solve the above problems.

Utility model content

The purpose of the utility model is to provide a testing device for the fluidity of the sleeve grouting material used for steel bar connection, so as to solve the above problems, achieve the purpose of improving measurement accuracy and reducing measurement difficulty.

In order to achieve the above object, the utility model provides the following scheme: a test device for the fluidity of the sleeve grouting material used for steel bar connection, including a table, the top of the table is movably connected with a transparent supporting plate, and the bottom of the transparent supporting plate A disc is provided, and the disc is rotatably connected with the table top. At least two mutually perpendicular scale lines are provided on the top of the disc. A horizontal indicator is provided in the middle of the top of the transparent support. The sides of the board are respectively fixedly connected with the limited position stabilization mechanism, and the four corners of the bottom end of the table board are respectively fixedly connected with outriggers;

The position-limiting and stabilizing mechanism includes a fixing seat, which is fixedly connected to the side of the transparent supporting plate, one end of the adjusting part is fixedly connected to the top of the fixing seat, and the other end of the adjusting part is fixedly connected to a clamping part.

Preferably, the adjustment part includes two fixed cylinders, the two fixed cylinders are fixed on the top of the fixed seat and the openings are opposite to each other, a rotating rod is connected between the two fixed cylinders, and the middle part of the rotating rod One end of the connecting rod is fixedly connected, and the other end of the connecting rod is slidingly sleeved with one end of an extension rod, and the other end of the extension rod is fixedly connected with the clamping part.

Preferably, the connecting rod is provided with a plurality of positioning holes on the side wall near the end of the extension rod, and the extension rod is provided with a plurality of through holes in the side wall near the end of the connecting rod. The through holes are in one-to-one correspondence, and a limit rod is inserted in one of the through holes.

Preferably, the clamping part includes a connecting plate fixedly connected to the end of the extension rod, one end of the spring is fixedly connected to the middle part of the side of the connecting plate far away from the extension rod, and the other end of the spring A top plate is fixedly connected, and guide rods are respectively slid through the two ends of the connecting plate, and one end of the guide rod close to the connecting plate is fixedly connected to a limiting platform, and the other end of the guide rod is fixedly connected to the top plate.

Preferably, the four corners of the table are respectively threaded with adjusting bolts, and the threaded ends of the adjusting bolts are fixedly connected with suction cups, and the suction cups are detachably connected with the transparent supporting plate.

Preferably, a rotating shaft is fixedly connected to the middle part of the bottom end of the disc, and the rotating shaft is rotatably connected to the table.

The utility model has the following technical effects:

The device of the utility model can adjust the levelness of the device by turning the four adjusting bolts arranged on the table, so that the transparent supporting plate can reach a level state, and avoid large errors caused by the flow of the slurry in the same direction during the test ;The scale line is set on the disk, no need to measure with a ruler, you can quickly and accurately find the maximum diameter of the slurry flow, and read the data accurately, reduce the error, and improve the test efficiency; the limit stabilization mechanism can accurately locate the truncated cone mold; the device is simple in structure, easy to operate, easy to mass-produce and install, and the transparent supporting plate is easy to disassemble, easy to clean, and convenient for next use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Figure 1 is an axonometric view of the device;

Fig. 2 is a schematic diagram of the open state of the device limit stabilization mechanism;

Fig. 3 is a side view of the device;

Figure 4 is an axonometric view of the device's position-limiting and stabilizing mechanism.

Among them, 1. table plate; 2. disc; 3. transparent support plate; 4. fixed seat; 5. fixed cylinder; 6. rotating rod; 7. connecting rod; 8. extension rod; 9. connecting plate; Top plate; 11, spring; 12, guide rod; 13, limit platform; 14, through hole; 15, limit rod; 16, level indicator; 17, scale line; 18, adjusting bolt; 19, suction cup; 20, Outrigger; 21, rotating shaft.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In order to make the above purpose, features and advantages of the utility model more obvious and understandable, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1-4, the utility model discloses a testing device for the fluidity of the sleeve grouting material used for steel bar connection, which includes a table board 1, a transparent supporting board 3 is movably connected to the top of the table board 1, and a circle is arranged at the bottom of the transparent supporting board 3. Disc 2, disc 2 is rotatably connected with table board 1, at least two mutually perpendicular scale lines 17 are arranged on the top of disc 2, a horizontal indicator 16 is provided in the middle of the top of transparent supporting plate 3, and the sides of transparent supporting plate 3 are respectively fixed Connected to a limited-position stabilization mechanism, the four corners of the bottom end of the table board 1 are respectively fixedly connected with outriggers 20;

The position-limiting and stabilizing mechanism includes a fixed seat 4, which is fixedly connected to the sides of the transparent supporting plate 3, one end of the adjustment part is fixedly connected to the top of the fixed seat 4, and the other end of the adjustment part is fixedly connected to a clamping part.

Further, the transparent supporting plate 3 is a transparent square glass plate with a specification of 500mm×500mm, and a circular positioning auxiliary line with a diameter of 100mm that is the same as the inner diameter of the lower opening of the truncated cone circular mold can be drawn in the center of the glass plate.

Further, the distance between the disc 2 and the table 1 is 50 mm, and the diameter of the disc 2 is 500 mm. The maximum diameter of the slurry can be found quickly and conveniently through the scale line 17 on the disc 2 and can be read accurately. The intersection of two mutually perpendicular scale lines 17 coincides with the center of the disc 2 .

Further, the center of the disc 2 is also provided with a circular positioning auxiliary line with a diameter of 100mm that is the same as the inner diameter of the lower opening of the truncated cone die, and the truncated cone die is co-located with the auxiliary line on the transparent supporting plate 3 .

By turning the four adjusting bolts 18 arranged on the table plate 1, the levelness of the device can be adjusted so that the transparent supporting plate 3 reaches a level state, so as to avoid large errors caused by the slurry flowing in the same direction during the test; The scale line 17 is set on the disk 2, without measuring with a ruler, the maximum diameter of the slurry flow can be found quickly and accurately, and the data can be read accurately, reducing the error and improving the test efficiency; the limit stabilization mechanism can accurately locate the truncated cone mold; the device is simple in structure, easy to operate, easy to mass-produce and install, and the transparent supporting plate is easy to disassemble, easy to clean, and convenient for next use.

To further optimize the scheme, the adjustment part includes two fixed cylinders 5, the two fixed cylinders 5 are fixed on the top of the fixed seat 4 and the openings are oppositely arranged, the two fixed cylinders 5 are rotationally connected with a rotating rod 6, and the middle part of the rotating rod 6 is fixedly connected with a One end of the connecting rod 7, the other end of the connecting rod 7 sliding sleeve is provided with one end of an extension rod 8, and the other end of the extension rod 8 is fixedly connected with the clamping part.

To further optimize the scheme, a number of positioning holes are provided on the side wall of the connecting rod 7 near the end of the extension rod 8, and a number of through holes 14 are provided on the side wall of the extension rod 8 near the end of the connecting rod 7, and the number of positioning holes corresponds to the number of through holes 14 one by one. , one of the through holes 14 is inserted with a limit rod 15 .

Further optimization scheme, the clamping part includes a connecting plate 9, the connecting plate 9 is fixedly connected to the end of the extension rod 8, the middle part of the side of the connecting plate 9 away from the extension rod 8 is fixedly connected to one end of the spring 11, and the other end of the spring 11 is fixedly connected to the top plate 10. Two ends of the connecting plate 9 are slidably provided with guide rods 12 respectively, one end of the guide rod 12 close to the connecting plate 9 is fixedly connected to the spacer 13 , and the other end of the guide rod 12 is fixedly connected to the top plate 10 .

After the truncated cone round mold is placed on the transparent supporting plate 3, it is assisted in positioning and fixing by the limit stabilization mechanism, and the extension rod 8 is slid on the connecting rod 7 to a suitable position, so that the four top plates 10 can hold the central truncated cone The round die is fixed, and then the limit rod 15 is inserted into the corresponding through hole 14 and the positioning hole, so that the relative position of the connecting rod 7 and the extension rod 8 is fixed, and then the truncated cone round die is fastened and fixed by the elastic force of the spring 11 , after the cement filling of the truncated cone mold is completed, the connecting rod 7 is rotated to the outside of the transparent supporting plate 3, and the top plate 10 is released from the tightening and fixing effect of the truncated cone mold, and then the follow-up operations are performed.

To further optimize the scheme, the four corners of the table board 1 are threadedly connected with adjusting bolts 18 , the threaded ends of the adjusting bolts 18 are fixedly connected with suction cups 19 , and the suction cups 19 are detachably connected with the transparent supporting plate 3 .

The suction cup 19 is connected to the transparent supporting plate 3 by adsorption, so that the transparent supporting plate 3 is conveniently disassembled. The level of the transparent supporting plate 3 can be adjusted by manually adjusting the adjusting bolt 18 and cooperating with the level indicator 16 . The level indicator 16 is an air bubble level indicator, and the air bubble level indication is a prior art, and will not be repeated here.

In a further optimized solution, a rotating shaft 21 is fixedly connected to the middle part of the bottom end of the disk 2, and the rotating shaft 21 is connected to the table 1 in rotation.

The utility model aims at the problem that the glass test plate is not easy to be placed horizontally in the fluidity test of the sleeve grouting material, so that the slurry will tilt to the same side, thereby causing a large error, and the traditional ruler measurement is difficult to measure the maximum diameter and vertical To solve the problem of directional diameter, a device for testing the fluidity of sleeve grouting material used for steel bar connection is provided. The device can manually adjust the level of the transparent support plate 3, and can quickly and accurately read the value through the positioning line of the truncated cone die and rotating the corresponding disc 2 with the scale line 17, so that the fluidity test is more accurate and faster . At the same time, the device is easy to disassemble and easy to clean for next use.

The working process of this embodiment is as follows:

Weigh 1800g of cement-based grouting material, accurate to ±5g; weigh the mixing water according to the water consumption required by the product design, accurate to ±1g; wet the mixing pot and stirring blades, but no clear water. Pour the cement-based grouting material into the mixing pot, run the mixer, add water at the same time, and finish adding within 10s; follow the setting procedure of the cement mortar mixer for 240s; moisten the transparent support plate 3 and the inner wall of the truncated cone mold, but do not There is clear water; place the truncated cone mold in the middle of the transparent support plate 3; pour the cement-based grouting material slurry into the truncated cone mold until the slurry is level with the top of the truncated cone mold, and slowly lift the truncated cone mold , let the slurry flow freely until it stops; measure the maximum expansion diameter of the slurry and its vertical diameter, and calculate the average value of the two, accurate to 1mm, as the initial fluidity value; the above process should be completed within 6 minutes; the measured slurry Put the body into the stirring pot and prevent the water from evaporating. After adding water and mixing for 30 minutes, repeat the above steps for the slurry test, and the test results are taken as the 30-minute retention value of the fluidity.

In describing the present utility model, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred mode of the present utility model, not to limit the scope of the present utility model. The various deformations and improvements mentioned above should all fall within the scope of protection determined by the claims of the present utility model.

Claims (6)

1. A sleeve grout fluidity testing device for steel bar connection, characterized in that it comprises a table (1), the top of the table (1) is movably connected with a transparent supporting plate (3), and the transparent supporting plate (3) The bottom end is provided with a disc (2), the disc (2) is rotatably connected with the table board (1), and the top of the disc (2) is provided with at least two mutually perpendicular scale lines ( 17), the middle part of the top of the transparent supporting plate (3) is provided with a horizontal indicator (16), the sides of the transparent supporting plate (3) are respectively fixedly connected with a limited position stabilization mechanism, and the four corners of the bottom end of the table plate (1) Respectively fixedly connected with supporting legs (20); The position-limiting and stabilizing mechanism includes a fixed seat (4), which is fixedly connected to the side of the transparent supporting plate (3), and one end of the adjustment part is fixedly connected to the top of the fixed seat (4), so that The other end of the regulating part is fixedly connected with a clamping part. 2. A test device for the fluidity of sleeve grouting material for steel bar connection according to claim 1, characterized in that, the adjustment part comprises two fixed cylinders (5), and the two fixed cylinders (5) are fixed On the top of the fixed base (4) and the openings are oppositely arranged, a rotating rod (6) is rotatably connected between the two fixed cylinders (5), and a connecting rod (7) is fixedly connected to the middle of the rotating rod (6) One end, the other end of the connecting rod (7) is slidingly sleeved with one end of an extension rod (8), and the other end of the extension rod (8) is fixedly connected with the clamping part. 3. The device for testing the fluidity of a sleeve grouting material for steel bar connection according to claim 2, characterized in that, the connecting rod (7) is provided with a plurality of positioning holes on the side wall near the end of the extension rod (8). hole, the extension rod (8) is provided with a plurality of through holes (14) on the side wall near the end of the connecting rod (7), and the plurality of positioning holes correspond to the plurality of through holes (14). A limiting rod (15) is inserted in the through hole (14). 4. A test device for fluidity of sleeve grouting material for steel bar connection according to claim 2, characterized in that, the clamping part comprises a connecting plate (9), and the connecting plate (9) is connected to the extended The end of the rod (8) is fixedly connected, and the middle part of the side of the connecting plate (9) away from the extension rod (8) is fixedly connected with one end of a spring (11), and the other end of the spring (11) is fixedly connected with a top plate ( 10), the two ends of the connecting plate (9) slide respectively through a guide rod (12), and one end of the guide rod (12) close to the connecting plate (9) is fixedly connected to the limiting platform (13), so The other end of the guide rod (12) is fixedly connected with the top plate (10). 5. a kind of steel bar connection according to claim 1 is characterized in that, four jiaos of described table board (1) are threadedly connected with adjusting bolt (18) respectively, and described adjusting bolt ( The threaded end of 18) is fixedly connected with a suction cup (19), and the suction cup (19) is detachably connected with the transparent supporting plate (3). 6. A kind of test device for the fluidity of sleeve grouting material for steel bar connection according to claim 1, characterized in that, the middle part of the bottom end of the disc (2) is fixedly connected with a rotating shaft (21), and the rotating shaft (21 ) is rotationally connected with the table (1).

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