CN219552179U - Grouting material fluidity testing device applicable to rheological parameter derivation - Google Patents
Grouting material fluidity testing device applicable to rheological parameter derivation Download PDFInfo
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- CN219552179U CN219552179U CN202223345553.XU CN202223345553U CN219552179U CN 219552179 U CN219552179 U CN 219552179U CN 202223345553 U CN202223345553 U CN 202223345553U CN 219552179 U CN219552179 U CN 219552179U
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- camera bellows
- horizontal guide
- grouting material
- guide rail
- truncated cone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model relates to a grouting material fluidity testing device capable of being applied to rheological parameter deduction, which comprises a camera bellows, wherein a transparent scale plate is fixedly arranged in the camera bellows, detachable truncated cone circular mould mechanisms are fixedly arranged at the left end and the right end of the camera bellows, an upper mechanism is fixedly arranged at the upper end of the camera bellows through a bracket, and a timer is fixedly arranged at the front end of the camera bellows.
Description
Technical Field
The utility model relates to the technical field of grouting material testing equipment, in particular to a grouting material fluidity testing device applicable to rheological parameter derivation.
Background
The grouting material is a cementing material compounded by an early-strength cement material, a high-quality mineral admixture and a plurality of high-performance additives, and has the characteristics of quick setting, early strength, high fluidity and excellent volume stability. The fluidity of the grouting material is one of important preconditions for ensuring the engineering quality in the construction process, and the grouting material has excellent fluidity, so that the repairing material of the grouting part and the old structure form a uniform and stable whole, and conversely, if the fluidity is poor, gaps exist at the grouting part, and further the problems of insufficient strength, poor durability and the like occur.
The fluidity of the grouting material is reflected by the rheological property of the slurry, and the yield strength and the viscosity are two control parameters of the rheological property of the slurry, so that the grouting material can be used for evaluating the speed and the difficulty of the slurry in flowing, and the research on the rheological parameter of the grouting material is beneficial to the more systematic evaluation of the technical properties of the grouting material.
The grouting material fluidity test method refers to GB/T8077-2012, concrete admixture homogeneity test method, the whole slurry flowing process can be analyzed based on the data of the fluidity change with time recorded by a camera, the time required for the slurry to flow to a certain given distance is analyzed, the rheological parameters of the slurry are calculated, and the yield strength and viscosity in the rheological parameters of the slurry are calculated, wherein the calculation formulas are shown in the formulas 1.1 and 1.2.
Wherein: ρ paste -apparent density value of the slurry; v (V) cone -the volume of the net slurry contained in the truncated conical round die;
h cone -the height value of a net pulp truncated cone circular die; SF (sulfur hexafluoride) pres -a given fluidity value;
slamp—the slump height at a given flow;
t pres the time required for the net slurry to flow to a given fluidity after the net slurry slump cone is lifted.
In the rheological parameter experiment, the test mould is lifted manually by a tester, the levelness of the truncated cone circular mould is difficult to be unified when the test mould is lifted, and the inclination of the formed test mould can accelerate the diffusion of cement paste in a certain direction on a glass plate, so that the flow state of the paste is uneven, and the test result is influenced.
In addition, when the test mold is lifted manually, a certain time is required to be kept at a corresponding height to ensure that the slurry in the test mold flows out as much as possible, and at the moment, the human body and the test mold in the picture can seriously obstruct the recording condition of the camera device when the slurry flows, so that the whole-course analysis and description of the slurry flowing process are not facilitated.
t pres Representing the time required by the net slurry to flow to a given fluidity after the net slurry slump cone is lifted, wherein the parameter has significance for the deduction of rheological parameters, and the traditional recording method is that the time when the slurry flows to the corresponding scale is positioned through a real-time picture in an image pickup device.
Therefore, in order to improve the integrity in the process of shooting and recording, accurately record the time required by the cement paste flowing to a certain specific scale, further improve the accuracy of the deduction of the rheological parameters, and provide a grouting material fluidity testing device applicable to the deduction of the rheological parameters.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the grouting material fluidity testing device capable of being applied to rheological parameter derivation, so that the automation of cement paste fluidity testing can be realized, the integrity in the shooting recording process is improved, the time required by flowing the cement paste to a specific scale is accurately recorded, and the accuracy of rheological parameter derivation is further improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a grouting material fluidity testing arrangement that can be applied to rheological parameter derivation, includes the camera bellows, camera bellows inside fixed mounting transparent scale plate, but camera bellows left and right sides both ends fixed mounting split truncated cone circular mould mechanism, the upper end of camera bellows passes through support fixed mounting upper portion mechanism, the front end fixed mounting of camera bellows has the time-recorder.
As a preferable scheme of the utility model, the camera bellows comprises rectangular blocks, sliding seats, infrared receivers and horizontal guide rails with scales, wherein the two horizontal guide rails with scales are arranged in the camera bellows in a crossing way to form crossing points, one sliding seat is uniformly distributed between the crossing points and one end of any horizontal guide rail with scales, one infrared receiver is correspondingly arranged on each sliding seat, and the rectangular blocks are arranged at four right angles of the camera bellows.
As a preferable scheme of the utility model, one end of the horizontal guide rail with scales is positioned at a right angle of the camera bellows, and the other end of the horizontal guide rail with scales is positioned at a diagonal angle of the right angle.
As a preferable scheme of the utility model, the timer comprises an external LED display screen and an internal timing and pronunciation prompting component, and the external area of the LED display screen is larger than 1/2 of the external area of the timer.
As a preferable scheme of the utility model, the transparent scale plate comprises scale marks, positioning circles and rectangular holes, wherein the scale marks are marked on the transparent scale plate in a shape of a Chinese character 'mi', the center of the transparent scale plate is marked with the positioning circles with the same size as the bottom surface of the truncated circular mould, and the four right angles of the transparent scale plate are provided with the rectangular holes matched with the rectangular blocks.
As a preferable scheme of the utility model, the detachable truncated cone circular die mechanism comprises a truncated cone circular die, an electronic telescopic rod, a fixed block and a mounting hole positioned on the fixed block, wherein two ends of the truncated cone circular die are respectively connected with one end of the electronic telescopic rod, the other end of the electronic telescopic rod is connected with the fixed block, and the fixed block is fixed on the camera bellows through the mounting hole.
As a preferred embodiment of the present utility model, the truncated cone shaped die is formed by inserting two half truncated cone shaped dies.
As a preferable scheme of the utility model, the upper mechanism comprises a connecting block, infrared emitters, cameras, sliding blocks, horizontal guide rails and guide rail scales, wherein the two horizontal guide rails are arranged in a crossed manner and correspond to the two horizontal guide rails with scales in the camera bellows, an intersection point is formed between the two horizontal guide rails, one sliding block is uniformly distributed between the intersection point and one end of any horizontal guide rail, each sliding block is provided with one infrared emitter, and the camera is fixedly arranged at the intersection point.
As a preferable scheme of the utility model, connecting blocks are arranged at two ends of the horizontal guide rail, and guide rail scales are marked on the side surface of the horizontal guide rail.
As a preferable scheme of the utility model, a groove which is spliced with the upper end of the rectangular block is formed at the bottom of the bracket, and a groove which is spliced with the connecting block is formed at the side surface of the bracket.
The beneficial effects of the utility model are as follows:
the grouting material fluidity testing device for rheological parameter derivation can record the flowing condition of the grouting material in the expansion degree test process in the whole process, can accurately record the time required by the grouting material to reach a certain specific fluidity, and can provide basis for slurry rheological parameter derivation. The workload of manual testing is reduced, and the experimental accuracy is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the camera bellows of the present utility model;
FIG. 3 is a schematic view of the structure of the transparent scale plate of the present utility model;
FIG. 4 is a schematic view of the construction of the detachable truncated circular die mechanism of the present utility model;
FIG. 5 is a schematic view of the upper mechanism of the present utility model;
reference numerals in the drawings: camera bellows 1, timer 2, transparent scale plate 3, detachable truncated cone circular mold mechanism 4, support 5, upper mechanism 6, rectangular block 101, sliding seat 102, infrared receiver 103, graduated horizontal guide 104, graduated mark 301, positioning circle 302, rectangular hole 303, truncated cone circular mold 401, electronic telescopic rod 402, fixed block 403, mounting hole 404, connecting block 601, infrared emitter 602, camera 603, sliding block 604, horizontal guide 605, and guide graduation 606.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, a grouting material fluidity testing device applicable to rheological parameter deduction comprises a camera bellows 1, wherein a transparent scale plate 3 is fixedly arranged in the camera bellows 1, detachable truncated cone circular die mechanisms 4 are fixedly arranged at the left end and the right end of the camera bellows 1, an upper mechanism 6 is fixedly arranged at the upper end of the camera bellows 1 through a bracket 5, and a timer 2 is fixedly arranged at the front end of the camera bellows 1.
The camera bellows 1 includes rectangle 101, sliding seat 102, infrared receiver 103 and takes scale horizontal guide 104, two take scale horizontal guide 104 alternately to lay and form the cross point in camera bellows 1, the equipartition is equipped with a sliding seat 102 between the one end of cross point and arbitrary area scale horizontal guide 104, an on the sliding seat 102 all correspond and set up an infrared receiver 103, the movable infrared receiver 103 of sliding seat 102 is in interval 100mm ~ 300mm apart from the cross point, a rectangle 101 is laid to four right angle departments of camera bellows 1, rectangle 101 is used for camera bellows 1 and transparent scale plate 3, the connection of support 5.
One end of the graduated horizontal guide rail 104 is located at a right angle of the camera bellows 1, the other end of the graduated horizontal guide rail 104 is located at a diagonal angle of the right angle, and two sides of the end of the graduated horizontal guide rail 104 are located at two sides of the rectangular block 101.
The timer 2 comprises an external LED display screen and an internal timing pronunciation prompting component, the screen of the LED display screen is embedded into the screen of the timer 2, the screen area of the LED display screen is larger than 1/2 of the screen area of the timer 2, the timer 2 is preferably a digital electronic timer, and an embedded stopwatch is adopted, so that experimenters can observe numbers on the LED display screen conveniently.
The transparent scale plate 3 comprises scale marks 301, positioning circles 302 and rectangular holes 303, wherein the scale marks 301 are marked on the transparent scale plate 3 in a shape of a Chinese character 'mi', the center of the transparent scale plate 3 is marked with the positioning circles 302 with the same size as the bottom surface of the truncated circular mould, and the rectangular holes 303 matched with the rectangular blocks 101 are arranged at four right angles of the transparent scale plate 3.
In order to reduce the influence on the emission and the reception of the infrared emitter 602 and the infrared receiver 103, the transparent scale plate 3 is made of an inorganic nonmetallic material with high transparency and small refractive index. The positioning circle 302 takes the center of the scale plate as the center of a circle, is used for confirming the positioning position of the truncated cone circular mould 401, and the rectangular hole 303 corresponds to the rectangular block 101, so that the transparent scale plate 3 is conveniently installed on the camera bellows 1.
The detachable truncated cone circular mold mechanism 4 comprises a truncated cone circular mold 401, an electronic telescopic rod 402, a fixed block 403 and a mounting hole 404 positioned on the fixed block 403, wherein two ends of the truncated cone circular mold 401 are respectively connected with one end of the electronic telescopic rod 402, the other end of the electronic telescopic rod 402 is connected with the fixed block 403, and the fixed block 403 is fixed on the camera bellows 1 through the mounting hole 404.
The truncated cone circular mold 401 is formed by splicing two half truncated cone circular molds.
The truncated cone circular mould 401 is arranged on the transparent scale plate 3, the truncated cone circular mould 401 is formed by splicing a left Bian Banjie truncated cone circular mould and a right half truncated cone circular mould, the joint of the two half truncated cone circular moulds is connected through inserting and connecting the caulking grooves and the caulking blocks, and the splicing is tight enough in the combining process, so that the cement paste is prevented from flowing out of a splicing gap. Further, the truncated circular mold 401 should preferably be made of magnetic material to improve the tightness of the truncated circular mold 401 during insertion and minimize the amount of slurry leakage.
The expansion and contraction of the electronic expansion rod 402 on the fixed block 403 controls the split and disassembly of the left half cone circular mold and the right half cone circular mold.
The upper mechanism 6 comprises a connecting block 601, infrared emitters 602, a camera 603, sliding blocks 604, horizontal guide rails 605 and guide rail scales 606, wherein two horizontal guide rails 605 are arranged in a crossing manner and correspond to two horizontal guide rails 104 with scales in the camera bellows 1, an intersection point is formed between the two horizontal guide rails 605, one sliding block 604 is uniformly distributed between the intersection point and one end of any horizontal guide rail 605, each sliding block 604 is provided with one infrared emitter 602, the camera 603 is fixedly arranged at the intersection point, and the sliding blocks 604 can carry the infrared emitters 602 to move within a range of 100-300 mm away from the intersection point. The fixed camera 603 can realize real-time full-picture recording of the slurry flow process.
Connecting blocks 601 are arranged at two ends of the horizontal guide rail 605, and the connecting blocks 601 are used for being matched with grooves on the support 5 so as to realize splicing combination with the support 5; the side of the horizontal rail 605 is marked with rail graduations 606.
The dimensions of the rail 605 of the upper mechanism 6 should be consistent with the dimensions of the graduated horizontal rail 104 in the camera bellows 1 to ensure accuracy during testing. The camera 603 may be connected to an external image display by wireless.
The bottom of the support 5 forms a groove which is spliced with the upper end of the rectangular block 101, the side surface of the support 5 forms a groove which is spliced with the connecting block 601, the groove spliced with the connecting block 601 is positioned at the upper end of the support 5, and the support 5 is used for connecting the upper mechanism 6 and the camera bellows 1.
The grouting material fluidity testing device can be applied to rheological parameter derivation:
the grouting material in the experiment is preferably cement paste, the infrared emitter 602 on the upper mechanism 6 is moved to a specified scale through the sliding block 604, the infrared receiver 103 on the camera bellows 1 is moved to the specified scale through the sliding seat 102, the infrared emitter 602 and the infrared receiver 103 are kept in one-to-one correspondence up and down, debugging is carried out, and the stability of infrared emission and receiving is ensured.
The two half truncated cone circular molds are spliced into one truncated cone circular mold 401, so that the truncated cone circular mold 401 is tightly attached, the position of the truncated cone circular mold 401 after the splicing is coincident with the position of the positioning circle 302, the upper mechanism 6 is vertically lifted, the cement paste in the stirring pot is poured into the truncated cone circular mold 401, and then the upper mechanism 6 is installed.
At this time, the electronic expansion link 402 is started, the truncated cone circular mold 401 is decomposed under the traction of the electronic expansion link 402, and moves to both sides, and the cement paste starts to flow on the transparent scale plate 3 to form a circular shape.
When the electronic telescopic rod 402 is started, the infrared emitter 602 and the camera 603 in the center of the upper mechanism 6 are started simultaneously, the timer 2 on the side face of the camera bellows 1 starts to count time, when the cement paste flows to a given fluidity position, the infrared receivers 103 are blocked by the cement paste, and after the four groups of infrared receivers 103 are blocked, the timer 2 stops.
After the cement paste stops flowing, the camera 603 is closed, the experiment is completed, and the detachable truncated cone circular die mechanism 4 and the transparent scale plate 3 are respectively detached for cleaning.
According to the utility model, the truncated cone circular mold is split through the electric control of the electronic telescopic rod, the levelness of the truncated cone circular mold is unified, so that the flowing state of slurry in the truncated cone circular mold is uniform, the slurry in the truncated cone circular mold can be ensured to flow out completely, and further, the camera is not interfered by the outside, and the whole-course analysis and description of the slurry flowing process are facilitated.
Meanwhile, the camera and the infrared emitter are matched with the telescopic opening of the electronic telescopic rod, so that the flowing slurry can be recorded in time, the infrared receiver and the infrared emitter are arranged, the required time when the cement slurry flows to a certain specific scale can be accurately recorded, and the accuracy of deduction of rheological parameters is improved.
The utility model can record the flowing condition of the grouting material in the expansion degree test process in the whole process, can accurately record the time required by the grouting material to reach a certain specific fluidity, and can provide basis for the derivation of the rheological parameters of the slurry. The workload of manual testing is reduced, and the test accuracy is greatly improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the camera module comprises a camera module 1, a timer 2, a transparent scale plate 3, a detachable truncated cone circular mold mechanism 4, a bracket 5, an upper mechanism 6, a rectangular block 101, a sliding seat 102, an infrared receiver 103, a horizontal guide rail 104 with scales, scale marks 301, a positioning circle 302, a rectangular hole 303, a truncated cone circular mold 401, an electronic telescopic rod 402, a fixed block 403, a mounting hole 404, a connecting block 601, an infrared emitter 602, a camera 603, a sliding block 604, a horizontal guide rail 605, a guide rail scale 606 and other terms, but the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a grouting material fluidity testing arrangement that can be applied to rheological parameter derivation which characterized in that: the automatic measuring device is characterized by comprising a camera bellows (1), wherein a transparent scale plate (3) is fixedly installed inside the camera bellows (1), a detachable truncated cone circular die mechanism (4) is fixedly installed at the left end and the right end of the camera bellows (1), an upper mechanism (6) is fixedly installed at the upper end of the camera bellows (1) through a support (5), and a timer (2) is fixedly installed at the front end of the camera bellows (1).
2. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the camera bellows (1) includes rectangle piece (101), sliding seat (102), infrared receiver (103) and takes scale horizontal guide rail (104), two take scale horizontal guide rail (104) alternately lay and form the cross point in camera bellows (1), the equipartition is equipped with a sliding seat (102) between the one end of cross point and arbitrary take scale horizontal guide rail (104), one all correspond on sliding seat (102) and set up an infrared receiver (103), four right angle departments of camera bellows (1) all lay a rectangle piece (101).
3. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 2, wherein: one end of the horizontal guide rail (104) with scales is positioned at the right angle of the camera bellows (1), and the other end of the horizontal guide rail (104) with scales is positioned at the opposite angle of the right angle.
4. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the timer (2) comprises an external LED display screen and an internal timing and pronunciation prompting component, and the screen area of the LED display screen is larger than 1/2 of the screen area of the timer (2).
5. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the transparent scale plate (3) comprises scale marks (301), positioning circles (302) and rectangular holes (303), the scale marks (301) are marked on the transparent scale plate (3) in a shape of a Chinese character 'mi', the centers of the transparent scale plate (3) are marked with the positioning circles (302) with the same size as the bottom surface of the truncated cone circular die, and the rectangular holes (303) matched with the rectangular blocks (101) are formed in four right-angle positions of the transparent scale plate (3).
6. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the detachable truncated cone circular die mechanism (4) comprises a truncated cone circular die (401), an electronic telescopic rod (402), a fixed block (403) and a mounting hole (404) arranged on the fixed block (403), wherein two ends of the truncated cone circular die (401) are respectively connected with one end of the electronic telescopic rod (402), the other end of the electronic telescopic rod (402) is connected with the fixed block (403), and the fixed block (403) is fixed on the camera bellows (1) through the mounting hole (404).
7. The grouting material fluidity testing apparatus applicable to the derivation of rheological parameters according to claim 6, wherein: the truncated cone circular die (401) is formed by splicing two half truncated cone circular dies.
8. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the upper mechanism (6) comprises a connecting block (601), infrared emitters (602), a camera (603), sliding blocks (604), horizontal guide rails (605) and guide rail scales (606), wherein two horizontal guide rails (605) are arranged in a crossed mode and correspond to two horizontal guide rails (104) with scales in the camera bellows (1), an intersection point is formed between the two horizontal guide rails (605), one sliding block (604) is uniformly distributed between the intersection point and one end of any horizontal guide rail (605), each sliding block (604) is provided with one infrared emitter (602), and the camera (603) is fixedly installed at the intersection point.
9. The grouting material fluidity testing apparatus applicable to the derivation of rheological parameters according to claim 8, wherein: connecting blocks (601) are arranged at two ends of the horizontal guide rail (605), and guide rail scales (606) are marked on the side face of the horizontal guide rail (605).
10. A grouting material fluidity testing device applicable to the derivation of rheological parameters according to claim 1, wherein: the bottom of the support (5) is provided with a groove which is spliced with the upper end of the rectangular block (101), and the side surface of the support (5) is provided with a groove which is spliced with the connecting block (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223345553.XU CN219552179U (en) | 2022-12-13 | 2022-12-13 | Grouting material fluidity testing device applicable to rheological parameter derivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223345553.XU CN219552179U (en) | 2022-12-13 | 2022-12-13 | Grouting material fluidity testing device applicable to rheological parameter derivation |
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| Publication Number | Publication Date |
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| CN219552179U true CN219552179U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223345553.XU Active CN219552179U (en) | 2022-12-13 | 2022-12-13 | Grouting material fluidity testing device applicable to rheological parameter derivation |
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| CN (1) | CN219552179U (en) |
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2022
- 2022-12-13 CN CN202223345553.XU patent/CN219552179U/en active Active
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