CN105628902A - Mortar conveying force measurement tester and testing method - Google Patents
Mortar conveying force measurement tester and testing method Download PDFInfo
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- CN105628902A CN105628902A CN201510976974.8A CN201510976974A CN105628902A CN 105628902 A CN105628902 A CN 105628902A CN 201510976974 A CN201510976974 A CN 201510976974A CN 105628902 A CN105628902 A CN 105628902A
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- mortar
- test specimen
- specimen tube
- sensor
- pushing ram
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; ceramics; glass; bricks
Abstract
The invention discloses a mortar conveying capacity measurement tester which comprises a test specimen tube, a propeller and a digital display panel. The propeller consists of a push rod, a sliding block, a sensor and a manual screw rod; a baffle is arranged at the left end of the push rod; the sensor is arranged at the right end of the push rod; the push rod is fixedly connected with the sliding block by a connecting piece; the sliding block operates on the manual screw rod; one end of the test specimen tube, which is close to the sensor, is an open end; a measurement marked line is arranged at a position which is at a distance of 50mm with the open end; a steel sealing opening is formed in the other end of the test specimen tube; a 30mm round hole is formed in the center of the steel sealing opening; the sensor is connected with the digital display panel; the test specimen tube is horizontally placed; the open end of the test specimen tube is over against the baffle of the push rod. The invention further discloses a mortar conveying capacity measurement testing method. The mortar conveying capacity measurement tester is simple in structure and convenient to use; measurement on mortar conveying capacity can be effectively carried out, analysis data is provided for construction advantages and disadvantages of mortar, the blank in China is filled, and the mortar conveying capacity measurement tester and testing method have very high application value.
Description
Technical field
The present invention relates to building materials and measure Advanced Equipment field, be specifically related to a kind of mortar carrying capacity determination test instrument and test method.
Background technology
Along with the continuous propelling of premixing mortar application, premixing mortar mechanized construction technology is increasingly becoming the focus that people pay close attention to, and becomes the important directions of premixing mortar development. In the long run, the operating type of building mortar must change to mechanization, automatization's mode, and developing ordinary mortar mechanized construction (abbreviation Machine-blasting mortar) technology will be one of the important directions of future development. The advantages such as mechanized construction has that efficiency height, labor intensity is low, good engineering quality, environmental protection, spillage of material are few, it is shown that strong market competitiveness.
The mechanized construction of building mortar is a systematic engineering of business, relates to people, machine, three important steps of material, all the time owing to the coordination of three links and the delayed of correlational study are not promoted. Wherein solve the compatible difficult problem between domestic ordinary mortar and mechanized construction equipment, be key one step of mechanized construction technology advances. There is larger difference in current domestic construction mortar product, not only cause equipment attrition serious during construction in raw material, performance and price etc., and easily causes plugging and material such as kicks down at the problem, makes the advantage of mechanized construction have no way of embodying. One of its reason is in that the research of the performance indications of automatic arc spraying building mortar is in the blank stage.
The imperfection of the performance indications of Machine-blasting mortar directly influences the popularization of mechanized construction, the difference good and bad for quantifying Machine-blasting mortar application property, better characterize mortar in spray pipe, overflow complexity, namely difficulty is sprayed, simulation Machine-blasting mortar spraying process, therefore develop a kind of mortar carrying capacity determination test instrument and test method. Relevant such technology rarely has report at present.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention devises a kind of mortar carrying capacity determination test instrument and test method, solves and is difficult to quantify Machine-blasting mortar application property quality difference for a long time, and better characterizes the problem that mortar overflows complexity in spray pipe.
A kind of technical scheme of the present invention is as follows:
A kind of mortar carrying capacity determination test instrument, comprising: test specimen tube, propeller and digital display panel; Described propeller is made up of pushing ram, slide block, sensor and manual lead screw, the left end head of pushing ram is provided with baffle plate, right end is provided with sensor, connector connects fixing to pushing ram and slide block, slide block operates on manual lead screw, and the turn of the manual lead screw pushing ram with connecting on movable slider moves horizontally; Described test specimen tube, being opening near sensor one end, is provided with measurement graticule from opening 50mm place, and the other end is provided with steel sealing, and the center of steel sealing is provided with 30mm circular hole; Described sensor connects described digital display panel; Described test specimen tube horizontal positioned, the opening of described test specimen tube rectifies the baffle plate to described pushing ram;
Described baffle plate is circular, and the diameter of described baffle plate is less than or equal to the internal diameter of described test specimen tube;
The range of described sensor is 0��500N;
Described sample tube length 250mm, internal diameter 50mm;
Described connector is L-type, and described sensor is located on described connector, and described connector is connected with slide block again.
During test experiments, rotary manual screw mandrel can move horizontally to the right with the pushing ram on movable slider, and mortar is flatly pushed to the steel of described test specimen tube and sealed the 30mm circular hole of one end by the baffle plate of pushing ram left end.
The another kind of technical scheme of the present invention is as follows:
A kind of mortar carrying capacity determination test method, comprises the steps:
A. in test specimen tube, load the mechanically spraying dedicated mortar of 200mm, namely it is filled to measurement graticule place, utilizes slotting tool to plug and pound for several times, until tight position closely knit, uniform, it is then placed in the shim liner that diameter is 48mm being made up of nonabsorbent material, it is prevented that mortar is trickled down at test specimen tube tilting procedure;
B. test specimen tube is fixed in fixing snap ring, adjusts baffle plate and the pad contacts of pushing ram; The test specimen tube other end 30mm circular hole be connected with receiver.
C. digital display panel zeroing, turn manual lead screw, drive pushing ram Level Promoting mechanically spraying dedicated mortar to move forward; And observe sample state in the change of digital display panel reading and cylinder; If difficulty released by this mortar, test when data are close to 450N, should be stopped immediately;
D., when the baffle plate of pushing ram advances to distance port about 50mm, stop advancing, the maximum resistance in digital display Display panel process, record data.
Test principle: the experiment of mortar carrying capacity is a kind of effectively experimental simulation method imitating mortar machine spray practice of construction process. Transporting resistance is more big, then the workability of this building mortar mechanically spraying is not good, and mechanical wear is big, and spraying effect is poor.
Beneficial effect: present configuration is simple, easy to use, can be effectively taking place mortar carrying capacity and measure, and carrying out the construction superiority-inferiority to mortar provides analytical data, has filled up domestic blank, has had fabulous using value.
Accompanying drawing explanation
Fig. 1 is the structural representation of mortar carrying capacity determination test instrument of the present invention.
Detailed description of the invention
The structure of the present invention, method and operation principle is described in detail below in conjunction with accompanying drawing.
Embodiment 1
As it is shown in figure 1, a kind of mortar carrying capacity determination test instrument, comprising: test specimen tube 1, propeller 2 and digital display panel 3; Described propeller 2 is made up of pushing ram 4, slide block 7, sensor 5 and manual lead screw 8, the left end head of pushing ram 4 is provided with 48mm baffle plate 9, right end is provided with sensor 5, connector 6 is by pushing ram 4 and the fixing connection of slide block 7, slide block 7 operates on manual lead screw 8, and the turn of manual lead screw 8 pushing ram 4 with connecting on movable slider 7 moves horizontally; Described test specimen tube 1 is being opening near sensor 5 one end, is provided with measurement graticule 11 from opening 50mm place, and the other end is provided with steel sealing 10, and the center of steel sealing 10 is provided with 30mm circular hole; Described sensor 5 connects described digital display panel 3; Described test specimen tube 2 horizontal positioned, the opening of described test specimen tube 2 rectifies the baffle plate 9 to described pushing ram 4; Described baffle plate 9 is circular, and the diameter of described baffle plate 9 is less than or equal to the internal diameter of described test specimen tube 1; The range of described sensor 5 is 0��500N; The described long 250mm of test specimen tube 1, internal diameter 50mm; During test experiments, rotary manual screw mandrel can move horizontally to the right with the pushing ram on movable slider, and mortar is flatly pushed to the steel of described test specimen tube and sealed the 30mm circular hole of one end by the baffle plate of pushing ram left end. Described connector 6 is L-type, and described sensor 5 is located on described connector 6, and described connector 6 is connected with slide block 7 again. The present invention is fixed in laboratory table, and test specimen tube 1 is fixed in fixing snap ring, and fixing card is equipped with on experiment porch; Propeller 2 is fixed in laboratory table by support; Digital display panel 3 is placed in laboratory table and is easy to the position to observe.
Embodiment 2
A kind of mortar carrying capacity determination test method, comprises the steps:
A. in test specimen tube 1, load the mechanically spraying dedicated mortar of 200mm, namely it is filled to measurement graticule 11 place, utilizes slotting tool to plug and pound for several times, until tight position closely knit, uniform, it is then placed in the pad that diameter is 48mm being made up of nonabsorbent material, it is prevented that mortar is trickled down at test specimen tube 1 tilting procedure;
B. test specimen tube 1 is horizontally fixed in fixing snap ring, adjusts baffle plate 9 and the pad contacts of pushing ram 4; Test specimen tube 1 other end 30mm circular hole be connected with receiver;
C. digital display panel 3 returns to zero, artificial turn manual lead screw 8, drives pushing ram 4 Level Promoting mechanically spraying dedicated mortar to move forward; And observe sample state in the change of digital display panel 3 reading and cylinder; If difficulty released by this mortar, test when data are close to 450N, should be stopped immediately;
D., when the baffle plate 9 of pushing ram 4 advances to the port 48-52mm that distance steel seals 10 one end, stop advancing, the maximum resistance in digital display Display panel process, record data.
Test principle: the experiment of mortar carrying capacity is a kind of effectively experimental simulation method imitating mortar machine spray practice of construction process. Transporting resistance is more big, then the workability of this building mortar mechanically spraying is not good, and mechanical wear is big, and spraying effect is poor.
Analysis of experimental data
Table 1 is that 6 formula carry out carrying capacity test and the conveying force value recorded. Carrying capacity feel of exerting oneself is as shown in table 2. Wherein the carrying capacity of 1# and 3# mortar exceeds equipment range.
From interpretation of result:
(1) water retentivity of mortar and carrying capacity have certain corresponding relation, poor water retention property, and carrying capacity is big, and mortar segregation phenomenon easily occurs;
(2) the spilling thrust of tetra-formula of 2#, 4#, 5#, 6# is very low, it is known that new type mortar densification powder is conducive to improving mortar operability, effectively reduces the propelling resistance of mortar, so as to carrying capacity is maintained at below 100N, improves conveying capacity; Water-keeping thickening material kind is very big on the impact of Machine-blasting mortar spraying effect, and it is good that the water-keeping thickening material of high-quality has higher water retention, mortar workability;
(3) reducing aggregate particle size or modulus of fineness, what be conducive to improving mortar can conveying capacity.
(4) carrying capacity test result is the maximum in process, observes according to process of the test, and conveying force value population distribution is the 60��80% of maximum.
Table 1
Table 2
| Numbering | Firmly feel 3--> |
| 1 | It is difficult to; Frictional resistance is big; Push the degree of depth and be almost 0 |
| 2 | It is easier to; |
| 3 | More difficult; |
| 4 | It is easier to; |
| 5 | It is easier to; |
| 6 | Easily; |
Testing result of the present invention is authentic and valid as can be seen from Table 1 and Table 2, can be used for mortar carrying capacity determination experiment.
Claims (6)
1. a mortar carrying capacity determination test instrument, comprising: test specimen tube, propeller and digital display panel; It is characterized in that: described propeller is made up of pushing ram, slide block, sensor and manual lead screw, the left end head of pushing ram is provided with baffle plate, right end is provided with sensor, connector connects fixing to pushing ram and slide block, slide block operates on manual lead screw, and the turn of the manual lead screw pushing ram with connecting on movable slider moves horizontally; Described test specimen tube, being opening near sensor one end, is provided with measurement graticule from opening 50mm place, and the other end is provided with steel sealing, and the center of steel sealing is provided with 30mm circular hole; Described sensor connects described digital display panel; Described test specimen tube is horizontally fixed on platform, and the opening of described test specimen tube rectifies the baffle plate to described pushing ram.
2. mortar carrying capacity determination test instrument as claimed in claim 1, it is characterised in that: described baffle plate is circular, and the diameter of described baffle plate is less than or equal to the internal diameter of described test specimen tube.
3. mortar carrying capacity determination test instrument as claimed in claim 1, it is characterised in that: the range of described sensor is 0 ~ 500N.
4. mortar carrying capacity determination test instrument as claimed in claim 1, it is characterised in that: described sample tube length 250mm, internal diameter 50mm.
5. mortar carrying capacity determination test instrument as claimed in claim 1, it is characterised in that: described connector is L-type, and described sensor is located on described connector, and described connector is connected with slide block again.
6. a mortar carrying capacity determination test method, it is characterised in that: comprise the steps:
A. in test specimen tube, load the mechanically spraying dedicated mortar of 200mm, namely it is filled to measurement graticule place, utilizes slotting tool to plug and pound for several times, until tight position closely knit, uniform, it is then placed in the shim liner that diameter is 48mm being made up of nonabsorbent material, it is prevented that mortar is trickled down at test specimen tube tilting procedure;
B. test specimen tube is fixed in fixing snap ring, adjusts baffle plate and the pad contacts of pushing ram; The test specimen tube other end 30mm circular hole be connected with receiver;
C. digital display panel zeroing, turn manual lead screw, drive pushing ram Level Promoting mechanically spraying dedicated mortar to move forward; And observe sample state in the change of digital display panel reading and cylinder; If difficulty released by this mortar, test when data are close to 450N, should be stopped immediately;
D., when the baffle plate of pushing ram advances to distance port about 50mm, stop advancing, the maximum resistance in digital display Display panel process, record data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510976974.8A CN105628902B (en) | 2015-12-22 | 2015-12-22 | A kind of mortar carrying capacity determination test instrument and test method |
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| CN201510976974.8A CN105628902B (en) | 2015-12-22 | 2015-12-22 | A kind of mortar carrying capacity determination test instrument and test method |
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| CN105628902A true CN105628902A (en) | 2016-06-01 |
| CN105628902B CN105628902B (en) | 2017-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501137A (en) * | 2019-08-28 | 2019-11-26 | 上海建工集团股份有限公司 | Concrete pumping bend pipe simulation test device and method |
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| CN101387651A (en) * | 2008-10-08 | 2009-03-18 | 中国科学院南海海洋研究所 | Automatic sample handling system and control method thereof |
| CN202471570U (en) * | 2012-03-14 | 2012-10-03 | 中建商品混凝土有限公司 | Concrete pumping slippage resistance test device |
| CN104316438A (en) * | 2014-11-03 | 2015-01-28 | 北京新奥混凝土集团有限公司 | Traction-type concrete pumping performance tester and test method thereof |
| CN204314180U (en) * | 2014-11-03 | 2015-05-06 | 绍兴新兴盛仪器有限公司 | A kind of towed concrete pumping performance test instrument |
| CN105572328A (en) * | 2015-12-11 | 2016-05-11 | 中建商品混凝土有限公司 | Device and methods for testing high pressure stability and pumping limit performance of concrete |
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2015
- 2015-12-22 CN CN201510976974.8A patent/CN105628902B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387651A (en) * | 2008-10-08 | 2009-03-18 | 中国科学院南海海洋研究所 | Automatic sample handling system and control method thereof |
| CN202471570U (en) * | 2012-03-14 | 2012-10-03 | 中建商品混凝土有限公司 | Concrete pumping slippage resistance test device |
| CN104316438A (en) * | 2014-11-03 | 2015-01-28 | 北京新奥混凝土集团有限公司 | Traction-type concrete pumping performance tester and test method thereof |
| CN204314180U (en) * | 2014-11-03 | 2015-05-06 | 绍兴新兴盛仪器有限公司 | A kind of towed concrete pumping performance test instrument |
| CN105572328A (en) * | 2015-12-11 | 2016-05-11 | 中建商品混凝土有限公司 | Device and methods for testing high pressure stability and pumping limit performance of concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501137A (en) * | 2019-08-28 | 2019-11-26 | 上海建工集团股份有限公司 | Concrete pumping bend pipe simulation test device and method |
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| CN105628902B (en) | 2017-08-25 |
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Inventor after: Chen Ning Inventor after: Wang Juan Inventor after: Zhao Liqun Inventor before: Chen Ning Inventor before: Wang Juan |
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