Device for measuring shrinkage rate of mortar in multiple directions
阅读说明:本技术 一种多方位测量砂浆收缩率的装置 (Device for measuring shrinkage rate of mortar in multiple directions ) 是由 李会全 于 2020-07-23 设计创作,主要内容包括:本发明涉及一种多方位测量砂浆收缩率的装置,包括底座、若干用于测量砂浆试样收缩率的千分表、用于安装若干千分表的固定架、用于夹持砂浆试样的夹持件以及多路集线器,固定架安装于底座,夹持件安装于固定架,若干千分表分别位于固定架竖直方向上的顶部以及水平方向上的两侧,千分表包括数据输出端口,千分表通过数据输出端口经过多路集线器和电脑连接。本发明具有能够获取砂浆试样更加全面的收缩率数值以进行分析的效果。(The invention relates to a device for measuring mortar shrinkage in multiple directions, which comprises a base, a plurality of dial gauges for measuring the mortar sample shrinkage, a fixing frame for mounting the dial gauges, a clamping piece for clamping a mortar sample and a multi-channel concentrator, wherein the fixing frame is mounted on the base, the clamping piece is mounted on the fixing frame, the dial gauges are respectively positioned at the top of the fixing frame in the vertical direction and at two sides of the fixing frame in the horizontal direction, each dial gauge comprises a data output port, and the dial gauges are connected with a computer through the data output ports via the multi-channel concentrator. The invention has the effect of acquiring more comprehensive shrinkage numerical values of the mortar samples for analysis.)
1. The utility model provides a device of diversified measurement mortar shrinkage, its characterized in that: including base (1), a plurality of amesdial (2) that are used for measuring mortar sample shrinkage factor, mount (3) that are used for installing a plurality of amesdials (2), holder (4) and the multichannel concentrator that are used for centre gripping mortar sample, mount (3) are installed in base (1), holder (4) are installed in mount (3), and are a plurality of amesdial (2) are located the ascending top of mount (3) vertical side and the ascending both sides of horizontal direction respectively, amesdial (2) are including data output port (24), amesdial (2) are connected through multichannel concentrator and computer through data output port (24).
2. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 1, wherein: the fixing frame (3) comprises a transversely arranged bottom rod (31), a transversely arranged ejector rod (32) and two vertically arranged vertical rods (33), the bottom rod (31), the ejector rod (32) and the two vertical rods (33) are sequentially connected end to end and spliced to form a rectangular frame, the dial indicator (2) is located on the ejector rod (32) and the two vertical rods (33) respectively, and the bottom rod (31) is installed on the base (1).
3. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 2, wherein: amesdial (2) include sleeve (21), ejector pin (32) are provided with a plurality of vertical holes (34) that are used for holding sleeve (21), the axis in vertical hole (34) is located vertical direction, two all be provided with a plurality of horizontal holes (35) that are used for holding sleeve (21) on vertical pole (33) respectively, the axis in horizontal hole (35) is located the horizontal direction, install the mounting that is used for locking amesdial (2) in mount (3) on mount (3).
4. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 3, wherein: the mounting is including being used for a plurality of bolts (5) of contradicting with sleeve (21), every longitudinal hole (34) all communicate and are provided with first screw hole (36), bolt (5) threaded connection is in first screw hole (36), every transverse hole (35) all communicate and are provided with second screw hole (37), bolt (5) threaded connection is in second screw hole (37).
5. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 1, wherein: holder (4) include first supporting rod (41), second supporting rod (42) and install in fixed axle (43) of sill bar (31), the length direction of the length direction perpendicular to sill bar (31) of fixed axle (43), the both ends of fixed axle (43) length direction bulge respectively in the both sides of sill bar (31), install respectively in the both ends of fixed axle (43) bulge in sill bar (31) first supporting rod (41), second supporting rod (42) cover is located fixed axle (43) and is connected with fixed axle (43) rotation, fixed axle (43) are located base (1) top.
6. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 5, wherein: the fixed shaft (43) is fixedly connected to the bottom rod (31) or is in threaded connection with the bottom rod (31).
7. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 5, wherein: the clamping pieces (4) are divided into two groups, and the two groups of clamping pieces (4) are arranged on the bottom rod (31) at intervals.
8. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 5, wherein: the first clamping rod (41) is fixedly connected to the fixed shaft (43) or sleeved on the fixed shaft (43) and rotatably connected with the fixed shaft (43).
9. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 5, wherein: the first clamping rod (41) and the plurality of bolts (5) are positioned on the same side of the fixing frame (3).
10. The device for measuring the shrinkage rate of mortar in multiple directions according to claim 1, wherein: base (1) includes first fixed block (11) and second fixed block (12), confession sill bar (31) sliding fit's sliding tray (13) have all been seted up separately to first fixed block (11) and second fixed block (12) up end, the both ends of sill bar (31) respectively with two sliding tray (13) sliding fit, first fixed block (11) and second fixed block (12) interval set up.
Technical Field
The invention relates to the technical field of building materials, in particular to a device for measuring mortar shrinkage in multiple directions.
Background
Mortar is a bonding substance used in building construction, and drying shrinkage is a common deformation of mortar substances and is one of the most main causes of mortar cracking, so that the shrinkage of mortar is usually examined before the mortar is used.
At present, a method for testing shrinkage rate indexes in national standard GB/T25181-2010 premixed mortar, JGJ/T70-2009 basic performance test method of building mortar, is usually adopted, in the method, a vertical mortar shrinker is adopted for detection, namely, mortar is poured into a standard test mold and is coagulated into a mortar sample, the mortar sample is pre-cured for seven days, the mortar sample is detached from the test mold after seven days, and the corresponding shrinkage rate is obtained by measuring through the vertical mortar shrinker.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in practical application, due to the action of each material in the mortar and the action of the gravity of the mortar, the mortar is stressed unevenly in all directions, and the shrinkage factor values obtained by the related technologies are not comprehensive, so that the research and improvement on the mortar performance are influenced.
Disclosure of Invention
In order to improve the incomplete condition of the shrinkage factor numerical value of acquireing, this application provides a device of diversified measurement mortar shrinkage factor.
The application provides a device of diversified measurement mortar shrinkage rate adopts following technical scheme:
the utility model provides a device of diversified measurement mortar shrinkage, includes base, a plurality of amesdial that are used for measuring mortar sample shrinkage, is used for installing the mount of a plurality of amesdials, is used for centre gripping mortar sample's holder and multichannel concentrator, the mount is installed in the base, the holder is installed in the mount, and is a plurality of the amesdial is located the both sides on the vertical ascending top of mount and the horizontal direction respectively, the amesdial includes data output port, the amesdial passes through data output port and connects through multichannel concentrator and computer.
By adopting the technical scheme, the mortar sample is arranged on the clamping piece, the dial indicator is arranged on the fixing frame and is connected with the computer through the data output port by the multi-channel concentrator, so that shrinkage rate data of the mortar sample measured by the multiple dial indicators in the vertical direction and the two sides in the horizontal direction are simultaneously acquired, the shrinkage rate data of the mortar sample measured by the multiple dial indicators are simultaneously acquired, in practical application, due to the action of each material in the mortar and the action of the gravity of the mortar, the stress of the mortar in each direction is uneven, so that the shrinkage rate of the mortar in the vertical direction is different from that of the mortar in the horizontal direction, the vertical mortar shrinker usually only measures the shrinkage rate of the mortar sample in the vertical direction, and the acquired shrinkage rate value is incomplete, the method and the device improve the condition that the obtained shrinkage numerical value is incomplete, and play a guiding role in researching and improving the mortar performance.
The invention is further configured to: the fixing frame comprises a transversely arranged bottom rod, a transversely arranged top rod and two longitudinally arranged vertical rods, the bottom rod, the top rod and the two vertical rods are sequentially connected in a head-to-tail mode and spliced to form a rectangular frame, the dial indicators are respectively located on the top rod and the two vertical rods, and the bottom rod is installed on the base.
Through adopting above-mentioned technical scheme, install the amesdial according to the both sides on the mount horizontal direction and the ascending top of vertical side, trail shrinkage percentage data in the three directions of mortar sample simultaneously, it is simple effective, fully guarantee stability and accuracy nature in the amesdial measurement process.
The invention is further configured to: the amesdial includes the sleeve, the ejector pin is provided with a plurality of longitudinal holes that are used for holding the sleeve, the axis in longitudinal hole is located vertical direction, two all be provided with a plurality of horizontal holes that are used for holding the sleeve on the vertical pole separately, the axis in horizontal hole is located the horizontal direction, install the mounting that is used for locking amesdial in the mount on the mount.
Through adopting above-mentioned technical scheme, insert each vertical hole and horizontal downthehole respectively with the sleeve of a plurality of amesdials for the detection head of amesdial is contradicted with the mortar sample of installing in the holder, and the slide bar of amesdial contracts in the sleeve, makes and detects the head and have the space that moves along with the mortar sample shrink, locks the amesdial on the mount through the mounting afterwards, effectively guarantees stability and the accuracy nature among the amesdial measurement process.
The invention is further configured to: the mounting is including being used for a plurality of bolts of contradicting with the sleeve, every vertical hole all communicates and is provided with first screw hole, bolt threaded connection is in first screw hole, every horizontal hole all communicates and is provided with the second screw hole, bolt threaded connection is in the second screw hole.
Through adopting above-mentioned technical scheme, insert each vertical hole and horizontal hole back respectively with the sleeve of a plurality of amesdials, screw up each bolt for a plurality of bolts contradict with the sleeve of a plurality of amesdials respectively, thereby effectively lock the amesdial in the mount, the demountable installation of amesdial has been realized in setting up of a plurality of bolts, the amesdial of being convenient for is used for different measurement places.
The invention is further configured to: the holder includes first supporting rod, second supporting rod and installs in the fixed axle of sill bar, the length direction of the length direction perpendicular to sill bar of fixed axle, the both ends of fixed axle length direction protrusion respectively in the both sides of sill bar, first supporting rod, second supporting rod are installed respectively in the both ends of fixed axle protrusion in the sill bar, the fixed axle is located and the fixed axle is rotated with the fixed axle to the second supporting rod cover and is connected, the fixed axle is located the base top.
Through adopting above-mentioned technical scheme, rotate the second supporting rod to the one side of keeping away from mount central point and putting to make second supporting rod and sill bar parallel, place the mortar sample in the clearance between first supporting rod and second supporting rod, reset the second supporting rod again, can be with the mortar sample centre gripping in the mount, thereby be convenient for the amesdial detects the shrinkage factor of mortar sample, thereby collect shrinkage factor numerical value in the computer, easy operation.
The invention is further configured to: the fixed shaft is fixedly connected to the bottom rod or is in threaded connection with the bottom rod.
Through adopting above-mentioned technical scheme, the fixed axle is the bolt, and fixed axle threaded connection then through the nut on the control fixed axle in the sill bar, control holder that can be convenient dismantles, installation and maintenance, and fixed axle fixed connection then need not to screw up the nut when measuring the contraction value of different mortar samples at every turn in the sill bar, reduces operation steps.
The invention is further configured to: the clamping pieces are two groups, and the two groups of clamping pieces are arranged on the bottom rod at intervals.
Through adopting above-mentioned technical scheme, rotate two second supporting rods respectively to the both sides of keeping away from mount central point and putting to make two second supporting rods and sill bar parallel, place the mortar sample in the clearance between first supporting rod and second supporting rod, reset two second supporting rods again, two sets of holders can lock the mortar sample on the mount more firmly.
The invention is further configured to: the first clamping rod is fixedly connected to the fixed shaft or sleeved on the fixed shaft and rotatably connected with the fixed shaft.
Through adopting above-mentioned technical scheme, first supporting rod plays the effect that preliminary balanced mortar sample erects on the sill bar of mount, with first supporting rod fixed connection in fixed axle, then only need operate the installation and the dismantlement of second supporting rod can accomplish the mortar sample, locate the fixed axle with first supporting rod cover and rotate with the fixed axle and be connected, then be the installation, the dismantlement and the maintenance of the holder of being convenient for.
The invention is further configured to: the first clamping rod and the plurality of bolts are positioned on the same side of the fixing frame.
Through adopting above-mentioned technical scheme for the direction that the mount center can be kept away from in the past to both sides rotation to two second supporting poles, and make the length direction after the second supporting pole rotates can be on a parallel with the length direction of bottom rod, thereby be convenient for the mortar sample from the mount second supporting pole place one side put into the clearance between first supporting pole and the second supporting pole, and need not to be disturbed the rotation of two second supporting poles by the bolt.
The invention is further configured to: the base includes first fixed block and second fixed block, first fixed block and second fixed block up end have all seted up the sliding tray that supplies sill bar sliding fit separately, the both ends of sill bar respectively with two sliding tray sliding fit, first fixed block and second fixed block interval set up.
Through adopting above-mentioned technical scheme, the setting of sliding tray is convenient for the installation and the dismantlement of base, avoids the device occupation space when not using of diversified measurement mortar shrinkage factor, and the setting up of first fixed block and second fixed block makes the support mount that the base can be more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the dial indicators at the top of the fixing frame in the vertical direction and at the two sides of the fixing frame in the horizontal direction and arranging the multi-channel concentrator, shrinkage rate data of mortar samples measured by the dial indicators are acquired simultaneously, the condition that the obtained shrinkage rate values are incomplete is improved, and a guiding effect on the research and improvement of the mortar performance is achieved;
2. the device for measuring the shrinkage rate of the mortar in multiple directions is detachably mounted, so that the assembly flexibility of the device is improved;
3. through setting up the holder that can operate in a flexible way for the installation easy operation of mortar sample, convenient and fast.
Drawings
Fig. 1 is a schematic structural diagram of a hidden part of a dial indicator in an embodiment of the present application.
Fig. 2 is a schematic view of another view angle structure of the hidden part of the dial indicator in the embodiment of the present application.
Description of reference numerals: 1. a base; 11. a first fixed block; 12. a second fixed block; 13. a sliding groove; 2. a dial indicator; 21. a sleeve; 22. a slide bar; 23. a detection head; 24. a data output port; 3. a fixed mount; 31. a bottom bar; 32. a top rod; 33. a vertical rod; 34. a longitudinal bore; 35. a transverse bore; 36. a first threaded hole; 37. a second threaded hole; 4. a clamping member; 41. a first clamping rod; 42. a second clamping rod; 43. a fixed shaft; 5. and (4) bolts.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses device of diversified measurement mortar shrinkage factor, refer to fig. 1, including
The
The fixing
The
Referring to fig. 2, the fixing
There are two sets of clamping
The
First clamping
The
The device for measuring the shrinkage of mortar in multiple directions further includes a multi-way concentrator (not shown), and in this embodiment, an 8-way concentrator is taken as an example for description. After the
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