CN211318094U - Quick determination device for mortar flowability - Google Patents

Abstract

The utility model provides a device for rapidly measuring the fluidity of mortar, which comprises a glass working plate, a sleeve and a mortar fluidity barrel; a plurality of concentric rings sprayed with acrylic glass paint are arranged on the working surface of the glass working plate; the mortar fluidity barrel comprises a circular pipe body and a fixed handle; the size of the upper opening of the circular pipe body is the same as that of the lower opening of the circular pipe body; the size of the upper opening of the sleeve is larger than that of the lower opening; the size of the lower opening of the sleeve is smaller than that of the upper opening of the circular pipe body; the sleeve is arranged on the upper part of the mortar fluidity barrel. The utility model discloses it is comparatively simple and efficient directly perceived to implement the effect, has reduced the complexity of equipment, has reduced the degree of difficulty that concrete mobility detected, can also economize material, save time, laborsaving.

Description

A rapid measuring device for mortar fluidity

technical field

The utility model relates to the technical field of concrete mortar detection, in particular to a rapid determination device for the fluidity of mortar.

Background technique

Concrete fluidity is an important task for concrete testing. Due to the influence of cement, fly ash, sand, gravel, admixture and air temperature, the control of concrete fluidity is extremely important, and to control the fluidity of concrete, it is necessary to detect the fluidity of concrete. .

Over the years, many concrete production units have accumulated a variety of methods in the determination and testing of concrete fluidity. Some of them measure the fluidity of cement slurry. Although they save material, time and labor, they have a large correlation error with concrete. Although the fluidity measurement is more accurate and intuitive, it is difficult to measure at any time in the control, and the operation is more complicated, material, time-consuming and labor-intensive.

Utility model content

The purpose of the utility model is to provide a rapid measuring device for the fluidity of mortar.

In order to achieve the above purpose, the utility model provides the following technical solutions: a rapid determination device for mortar fluidity, including a glass work plate, a sleeve, and a mortar fluidity bucket; sprayed concentric rings;

The mortar fluidity bucket includes a circular pipe body and a fixed handle; the upper and lower port sizes of the circular pipe body are the same; the upper port size of the sleeve is larger than the lower port size; the lower port size of the sleeve is smaller than that of the circular pipe body. Upper mouth size; the sleeve is installed on the upper part of the mortar fluidity barrel.

Further, the distance between adjacent rings is 50mm.

Further, it also includes a work box, and the work box is provided with a glass work plate, a mortar collection tank, a lifting structure, a sleeve, and a mortar fluidity barrel;

The upper part of the working box is provided with an opening, and the glass working plate is matched with the upper opening of the working box. The glass work plate can be turned over and can be used for both measurement and as the top cover of the work box. When not in use, the working surface of the glass work board is turned to the lower part to serve as the upper cover of the storage box; when it is needed, the work surface of the glass work board can be turned over to use.

The working surface of the glass work plate is provided with baffle bars and drop holes; the baffle bars are arranged around the glass work plate; when the working surface of the glass work plate faces upwards, the drop holes are located just above the entrance of the mortar collection tank; After the test, the mortar on the glass work plate is cleaned into the mortar collection tank, which is also convenient for the cleaning liquid to fall, and it is also convenient for the glass work plate to be turned over. The setting of the baffle bars prevents the mortar and cleaning fluid from splashing outside.

The lifting structure includes a lifting frame, a transmission screw, a motor, a horizontal lifting beam and a connecting rod; the lifting frame is rotatably arranged on the upper part of the work box through the turntable; the shape of the turntable is square; the limit pin is detachably arranged on the worktable; The pin is in contact with the side wall of the turntable to limit the position; the driving screw is vertically movable on the lifting frame; the motor shaft of the motor is fixedly connected with the end of the driving screw; one end of the horizontal lifting beam is threadedly connected to the driving screw; The working end of the horizontal lifting beam is provided with a connecting rod. Driven by a motor, the mortar fluidity barrel can move up and down automatically, with good stability and less measurement error.

There are two fixed handles, which are respectively fixed on the symmetrical two sides of the outer surface of the mortar fluidity bucket; the connecting rod is fixedly connected with the fixed handle of the mortar fluidity bucket.

The upper part of the work box is provided with a receiving port, and a cleaning pipe is pierced through the receiving port; the part of the cleaning pipe extending out of the work box is hung on the hanging ring of the lifting frame; a pipe groove is set in the work box; a receiving shaft for winding the cleaning pipe is set in the pipe groove A connecting hole is arranged on one side of the pipe groove; one end of the cleaning pipe extends out of the connecting hole and is connected with the water supply faucet. The setting of the cleaning tube is used to wash away the residual mortar on the glass work plate after the test, and it is used to clean the mortar fluidity barrel, sleeve and glass work plate, which is easy to operate.

Further, a storage table is arranged in the work box, and a limit groove matched with the mortar fluidity bucket, the sieve and the sleeve is arranged on the storage table. It is used to place the mortar fluidity barrel and sleeve neatly in the dust-proof work box, and has good stability in the work box.

Further, a moving frame is arranged at the bottom of the work box, and a universal wheel is arranged at the bottom of the moving frame. Convenient to move the work box.

Further, it also includes a work frame and two motors. The lower part of the work frame is provided with a horizontal guide groove for installing a glass work plate, and two lifting screws are vertically arranged on the work frame, and each lifting screw is driven by a motor; the fixed handle is provided with There are two, which are respectively fixed on the symmetrical two sides of the outer surface of the mortar fluidity bucket; each lifting screw is threadedly connected with a fixed handle; the center of the ring is on the axis of the mortar fluidity bucket.

The determination method includes the following steps:

S1: Determine the mortar fluidity index according to the correlation between the workability of concrete and mortar concrete;

S2: Put the mortar fluidity bucket on the glass work plate, and put the sleeve on the mortar fluidity bucket;

S3: sieve the concrete stones with a sieve with a 5mm mesh;

S4: Pour the prepared mortar from the sleeve to the mortar fluidity bucket, and the mortar fluidity index is 180mm-600mm;

S5: Remove the sleeve and smooth the surface of the mortar;

S6: Gradually raise the mortar fluidity bucket to a height of 150mm within 30 seconds, and measure the maximum value d1 and minimum value d2 of the diameter of the mortar flow surface;

S7: Find the average value=(d1+d2)/2;

S8: Clean the equipment and return it to its original position.

The technical effect of the present utility model is as follows:

1. Compared with the existing detection technology, the implementation effect of the present utility model is relatively simple, quick and intuitive, which reduces the complexity of the equipment, reduces the difficulty of concrete fluidity detection, and can also save materials, time and labor.

2. It makes up for the shortcomings of the existing methods, reduces the waste of materials, reduces the investment of personnel, and reduces the investment of equipment. The equipment is simple, the operation is convenient, efficient and fast, and it can be done 1h/time, 2h/time, and 3h/time.

Description of drawings

Fig. 1 is the schematic diagram of the measuring device in embodiment 1;

Fig. 2 is the schematic diagram of measuring device in embodiment 2;

FIG. 3 is a schematic diagram of the measurement device in Example 3. FIG.

Reference numerals: 10, glass work plate; 11, retaining bar; 12, drop hole; 20, sleeve; 30, mortar fluidity bucket; 31, fixed handle; 40, work box; 41, lifting frame; 42, transmission Screw; 43, motor; 44, horizontal lifting beam; 45, connecting rod; 46, turntable; 47, limit pin; 48, cleaning pipe; 49, universal wheel; 50, work frame; 51, horizontal guide groove; 52. Lift the screw.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Referring to FIG. 1 , a rapid measurement device for mortar fluidity includes a glass working plate 10, a sleeve 20, and a mortar fluidity bucket 30; a number of concentric sprayed acrylic glass paints are arranged on the working surface of the glass working plate 10. ring;

The mortar fluidity bucket 30 includes a circular pipe body and a fixed handle 31, and the fixed handle 31 is fixedly arranged on the outer side of the circular pipe body; the size of the upper port of the circular pipe body and the size of the lower port are the same; The size is larger than the size of the lower port; the size of the lower port of the sleeve 20 is smaller than the size of the upper port of the circular pipe body; the sleeve 20 is installed on the upper part of the mortar fluidity barrel 30 .

The distance between adjacent rings is 50mm.

Preferably, the glass plate is made of 5mm thick frosted glass with a length of 800mm, a width of 800mm and a thickness of 5mm. The rings are 100mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm respectively.

The mortar fluidity barrel is composed of metal material and resin material, the inner surface is heated, the upper port size: inner diameter 100+0.5mm, the lower port size: inner diameter: 100+0.5mm, outer diameter: 100+0.5mm, mold thickness: >10mm .

Vernier calipers are also included for precise determination of mortar dimensions.

Example 2

Referring to FIG. 2 , a rapid determination device for mortar fluidity is different from Embodiment 1 in that it also includes a work box 40 , on which a glass work plate 10 , a mortar collection tank, a lifting structure, and a sleeve are arranged. barrel 20, mortar fluidity barrel 30;

The upper part of the working box 40 is provided with an opening, the glass working plate 10 is matched and covered at the upper opening of the working box 40, the inner walls of the opposite two sides of the working box 40 are provided with rotating shafts, and the glass working plate 10 is provided with a rotating groove in cooperation with the rotating shaft;

Block bars 11 and drop holes 12 are provided on the working surface of the glass work plate 10; the block bars 11 are arranged around the glass work plate 10; when the work surface of the glass work plate 10 faces upwards, the drop holes 12 are located at the entrance of the mortar collection tank directly above;

The lifting structure includes a lifting frame 41, a transmission screw 42, a motor 43, a horizontal lifting beam 44, and a connecting rod 45; the lifting frame 41 is rotatably arranged on the upper part of the work box 40 through a turntable 46; The limit pin 47 is detachably arranged; the limit pin 47 is in contact with the side wall of the turntable 46 to limit the position; the transmission screw 42 is vertically movable on the lifting frame 41; the motor 43 of the motor 43 and the end of the transmission screw Fixed connection; one end of the horizontal lifting beam 44 is threadedly connected to the drive screw 42; the working end of the horizontal lifting beam 44 is provided with a connecting rod 45;

There are two fixed handles 31 , which are respectively fixed on two symmetrical sides of the outer surface of the mortar fluidity bucket 30 ; the connecting rod 45 is fixedly connected to the fixed handle 31 of the mortar fluidity bucket 30 ;

The upper part of the working box 40 is provided with a receiving port, and a cleaning pipe 48 is pierced through the receiving port; a section of the cleaning pipe 48 extending out of the working box 40 is hung on the hanging ring of the lifting frame 41; the working box 40 is provided with a pipe groove; The receiving shaft of the cleaning pipe 48 is wound; a connecting hole is provided on one side of the pipe groove; one end of the cleaning pipe 48 extends out of the connecting hole and is connected to the water supply faucet.

A storage table is arranged in the work box 40 , and a limit groove matched with the mortar fluidity bucket 30 , the sieve, and the sleeve 20 is arranged on the storage table.

A moving frame is arranged at the bottom of the work box 40, and a universal wheel 49 is arranged at the bottom of the moving frame. It is convenient to move the work box 40 .

Example 3

Referring to FIG. 3 , a rapid measurement device for mortar fluidity is different from Embodiment 1 in that it also includes a work frame 50 and two motors 43 . The lower part of the work frame 50 is provided with a horizontal guide for installing the glass work plate 10 The slot 51 and the horizontal guide slot 51 are arranged to facilitate the disassembly and assembly of the glass work plate 10 . Two lifting screw rods 52 are vertically arranged on the work frame 50, and each lifting screw rod 52 is driven by a motor 43; two fixed handles 31 are arranged, which are respectively fixed on the symmetrical two sides of the outer surface of the mortar fluidity barrel 30; Each lifting screw 52 is screwed with a fixed handle 31 ; the center of the ring is on the axis of the mortar fluidity barrel 30 .

The two lifting screws 52 are driven to rotate by the two motors 43 , so that the mortar fluidity barrel 30 can move up and down in the vertical direction, with high stability and accurate measurement.

A moving frame is arranged at the bottom of the work frame 50, and a universal wheel 49 is arranged at the bottom of the moving frame. It is convenient to move the work frame 50 .

A rapid method for measuring the fluidity of mortar, comprising the measuring device and sieve of embodiment 1 or 2 or 3, comprising the steps of:

S1: Determine the mortar fluidity index according to the correlation between the workability of concrete and mortar concrete;

S2: put the mortar fluidity bucket 30 on the glass work plate 10, and place the sleeve 20 on the mortar fluidity bucket 30;

S3: sieve the concrete stones with a sieve with a 5mm mesh;

S4: pour the prepared mortar from the sleeve 20 to the mortar fluidity bucket 30, and the mortar fluidity index is 180mm-600mm;

S5: remove the sleeve 20 and smooth the surface of the mortar;

S6: Gradually raise the mortar fluidity bucket by 30, raise it to a height of 150mm within 30 seconds, and measure the maximum value d1 and minimum value d2 of the diameter of the mortar flow surface;

S7: Find the average value=(d1+d2)/2;

S8: Clean the equipment and return it to its original position.

Only the preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, it is also possible to do so without departing from the purpose of the present utility model. Various changes are made below, and all changes should be included within the protection scope of the present invention.

Claims (6)

1. A device for rapidly measuring the fluidity of mortar is characterized by comprising a glass working plate, a sleeve and a mortar fluidity barrel; a plurality of concentric rings sprayed with acrylic glass paint are arranged on the working surface of the glass working plate;

the mortar fluidity barrel comprises a circular pipe body and a fixed handle; the size of the upper opening of the circular pipe body is the same as that of the lower opening of the circular pipe body; the size of the upper opening of the sleeve is larger than that of the lower opening; the size of the lower opening of the sleeve is smaller than that of the upper opening of the circular pipe body; the sleeve is arranged on the upper part of the mortar fluidity barrel.

2. The apparatus for rapidly measuring mortar fluidity according to claim 1, wherein the distance between the adjacent rings is 50 mm.

3. The device for rapidly measuring the mortar fluidity according to claim 1, further comprising a working box, wherein the working box is provided with a glass working plate, a mortar collecting groove, a lifting structure, a sleeve and a mortar fluidity barrel;

the upper part of the working box is provided with an opening, the glass working plate is covered at the opening at the upper part of the working box in a matching way, the inner walls at two opposite sides of the working box are provided with rotating shafts, and the glass working plate is provided with a rotating groove which is connected with the rotating shafts in a matching way;

the working surface of the glass working plate is provided with a barrier strip and a falling hole; the barrier strips are arranged around the glass working plate; when the working surface of the glass working plate faces upwards, the falling hole is positioned right above the inlet of the mortar collecting tank;

the lifting structure comprises a lifting frame, a transmission screw rod, a motor, a horizontal lifting beam and a connecting rod; the lifting frame is rotatably arranged at the upper part of the working box through the rotary table; the shape of the rotary table is square; the workbench is detachably provided with a limiting pin; the limiting pin is abutted against the side wall of the rotary table for limiting; the transmission screw rod is vertically and movably arranged on the lifting frame; a motor shaft of the motor is fixedly connected with the end part of the transmission lead screw; one end of the horizontal lifting beam is connected to the transmission screw rod through threads; the working end of the horizontal lifting beam is provided with a connecting rod;

the two fixed handles are respectively and fixedly arranged on two symmetrical sides of the outer surface of the mortar fluidity barrel; the connecting rod is fixedly connected with a fixed handle of the mortar fluidity barrel;

the upper part of the working box is provided with a receiving opening, and a cleaning pipe penetrates through the receiving opening; one section of the cleaning pipe extending out of the working box is hung on a hanging ring of the lifting frame; a pipe groove is arranged in the working box; a containing shaft wound with the cleaning pipe is arranged in the pipe groove; one side of the pipe groove is provided with a connecting hole; one end of the cleaning pipe extends out of the connecting hole to be connected with a water supply faucet.

4. The apparatus according to claim 3, wherein a receiving platform is provided in the work box, and a limit groove matching with the mortar fluidity barrel, the sieve and the sleeve is provided on the receiving platform.

5. The apparatus for rapidly measuring mortar fluidity according to claim 3, wherein a moving rack is provided at the bottom of the working box, and universal wheels are provided at the bottom of the moving rack.

6. The device for rapidly measuring the mortar flowability of claim 1, further comprising a working frame and two motors, wherein the lower part of the working frame is provided with a horizontal guide groove for mounting the glass working plate, the working frame is vertically provided with two lifting screw rods, and each lifting screw rod is driven by one motor; the two fixed handles are respectively and fixedly arranged on two symmetrical sides of the outer surface of the mortar fluidity barrel; each lifting screw rod is in threaded connection with one fixed handle; the center of the circular ring is on the axis of the mortar fluidity barrel.

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