阅读说明：本技术 一种砂浆流动性的快速测定装置及测定方法 (Rapid determination device and determination method for mortar fluidity ) 是由 刘振江 张燕燕 于 2019-11-28 设计创作，主要内容包括：本发明提供一种砂浆流动性的快速测定装置,包括玻璃工作板、套筒、砂浆流动度桶；玻璃工作板的工作面上设置若干个通过丙烯酸玻璃漆喷涂的同心圆环；砂浆流动度桶包括圆形管体、固定把手；圆形管体的上口尺寸和下口尺寸相同；套筒的上口尺寸大于下口尺寸；套筒的下口尺寸小于圆形管体的上口尺寸；套筒安装在砂浆流动度桶的上部。本发明实施效果较为简便快捷直观,减少了设备的复杂性,减小了砼流动性检测的难度,还可以省材、省时、省力。(The invention provides a device for rapidly measuring the fluidity of mortar, which comprises a glass working plate, a sleeve and a mortar fluidity barrel, wherein the glass working plate is provided with a groove; 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 method has the advantages of simple, convenient, rapid and visual implementation effect, reduced equipment complexity, reduced difficulty in concrete fluidity detection, and material, time and labor saving.)

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.

7. A method for rapidly measuring the fluidity of mortar, comprising the measuring apparatus according to any one of claims 1 to 6 and a sieve, comprising the steps of:

s1: determining a mortar fluidity index according to the relevance of concrete workability and mortar concrete;

s2: placing the mortar fluidity barrel on a glass working plate, and placing the sleeve on the mortar fluidity barrel;

s3: screening out concrete stones by using a sieve with 5mm sieve pores;

s4: pouring the prepared mortar from the sleeve to a mortar fluidity barrel, wherein the mortar fluidity index is 180-600 mm;

s5: removing the sleeve, and leveling the surface layer of the mortar;

s6: slowly lifting the mortar fluidity barrel, lifting to 150mm height within 30 seconds, and measuring the maximum value d1 and the minimum value d2 of the diameter of the mortar flow surface;

s7: obtaining an average value = (d1+ d 2)/2;

s8: and cleaning the equipment and placing the equipment in the original position.

Technical Field

The invention relates to the technical field of concrete mortar detection, in particular to a device and a method for rapidly determining mortar fluidity.

Background

The concrete fluidity is an important work for testing the concrete, and the control of the concrete fluidity is very important and the control of the concrete fluidity is required to test the concrete fluidity because of the influence of cement, fly ash, sand, stones, additives and air temperature.

Over the years, a plurality of methods are accumulated in concrete fluidity determination and tests by a plurality of concrete production units, and the fluidity of cement paste is determined by some concrete production units, although materials, time and labor are saved, the error of the correlation with the concrete is large; although the concrete fluidity measurement is accurate and intuitive, the measurement is difficult at any time in the control, and the operation is complicated, and the material, the time and the labor are wasted.

Disclosure of Invention

The invention aims to provide a device for rapidly measuring mortar fluidity.

In order to achieve the purpose, the invention provides the following technical scheme: a device for rapidly measuring the fluidity of mortar 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.

Further, the distance between adjacent rings is 50 mm.

The mortar collecting tank is characterized by further comprising a working box, wherein the working box is provided with a glass working plate, a mortar collecting tank, a lifting structure, a sleeve and a mortar fluidity barrel;

the upper portion of work box sets up the opening, and the glass work board matches the lid and at work box upper portion opening part, and the relative both sides inner wall of work box sets up the pivot, sets up the rotation groove of being connected with the pivot cooperation on the glass work board. The glass work plate can be turned over, and can be used for measurement and also can be used as an upper cover of the work box. When the glass working plate is not used, the working surface of the glass working plate is turned to the lower part and serves as an upper cover of the containing box; when the glass working plate needs to be used, the working face of the glass working plate is turned over to be used.

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 cleaning device is used for cleaning mortar on the tested glass working plate into the mortar collecting tank, and is convenient for cleaning liquid to fall down and also convenient for turning over the glass working plate. Due to the arrangement of the barrier strips, mortar and cleaning liquid are prevented from being splashed outside.

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. Through motor drive, make the automatic up-and-down motion of mortar fluidity bucket realization, stability is good, less measuring error.

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. The cleaning pipe is used for washing away residual mortar on the tested glass working plate and cleaning the mortar fluidity barrel, the sleeve and the glass working plate, and is convenient to operate.

Further, set up in the work box and accomodate the platform, accomodate and set up the spacing groove that matches with mortar fluidity bucket, sieve, sleeve on the platform. The mortar flow degree barrel and the sleeve are placed in a dustproof work box in order, and stability in the work box is good.

Furthermore, the bottom of the working box is provided with a movable frame, and the bottom of the movable frame is provided with universal wheels. The work box is convenient to move.

The glass working plate lifting device further comprises a working frame and two motors, wherein a horizontal guide groove for mounting the glass working plate is formed in the lower portion of the working frame, two lifting screw rods are vertically arranged on the working frame, 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.

The invention also aims to provide a method for rapidly measuring the fluidity of the mortar.

In order to achieve the purpose, the invention adopts the technical scheme that: a method for rapidly measuring the fluidity of mortar comprises the measuring device and a sieve, and comprises the following steps:

s1: determining a mortar fluidity index according to the relevance of concrete workability and mortar concrete;

s2: placing the mortar fluidity barrel on a glass working plate, and placing the sleeve on the mortar fluidity barrel;

s3: screening out concrete stones by using a sieve with 5mm sieve pores;

s4: pouring the prepared mortar from the sleeve to a mortar fluidity barrel, wherein the mortar fluidity index is 180-600 mm;

s5: removing the sleeve, and leveling the surface layer of the mortar;

s6: slowly lifting the mortar fluidity barrel, lifting to 150mm height within 30 seconds, and measuring the maximum value d1 and the minimum value d2 of the diameter of the mortar flow surface;

s7: obtaining an average value = (d1+ d 2)/2;

s8: and cleaning the equipment and placing the equipment in the original position.

The invention has the following technical effects:

1. compared with the prior art, the invention has the advantages of simple, convenient, rapid and visual implementation effect, reduced equipment complexity, reduced difficulty in concrete fluidity detection, and material, time and labor saving.

2. Makes up the defects of the prior method, reduces the waste of materials, the investment of personnel and the investment of equipment. The equipment is simple, the operation is convenient, the efficiency is high, and the operation can be carried out for 1 h/time, 2 h/time and 3 h/time.

Drawings

FIG. 1 is a schematic view of an apparatus for measuring in example 1;

FIG. 2 is a schematic view of the measuring apparatus in example 2;

FIG. 3 is a schematic view of the measuring apparatus in example 3.

Reference numerals: 10. a glass work plate; 11. blocking strips; 12. dropping a hole; 20. a sleeve; 30. a mortar fluidity bucket; 31. fixing a handle; 40. a work box; 41. a hoisting frame; 42. a transmission screw rod; 43. a motor; 44. a horizontal lifting beam; 45. a connecting rod; 46. a turntable; 47. a spacing pin; 48. cleaning the tube; 49. a universal wheel; 50. a working frame; 51. a horizontal guide groove; 52. and lifting the screw rod.

Detailed Description

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