CN204359644U - A kind of concrete workability proving installation - Google Patents
A kind of concrete workability proving installation Download PDFInfo
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- CN204359644U CN204359644U CN201420851482.7U CN201420851482U CN204359644U CN 204359644 U CN204359644 U CN 204359644U CN 201420851482 U CN201420851482 U CN 201420851482U CN 204359644 U CN204359644 U CN 204359644U
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- shaft
- cylinder body
- concrete workability
- proving installation
- mixing
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Abstract
The utility model relates to a kind of proving installation, particularly relates to a kind of concrete workability proving installation, comprises frame, is fixed on frame mixes cylinder body, is provided with power-equipment and device for discharging mixing cylinder body both sides; Mix in cylinder body and be provided with gear and mix cylinder, mix in cylinder and be provided with shaft, be all fixed with mixing arm often organizing on shaft, mixing arm is fixed with blade; Shaft is connected with gear; Power-equipment comprises motor, and motor is connected with electric cabinet and reducer casing respectively, and speed of torque sensor is connected with reducer casing and shaft; The utility model obtains the power parameter of the process of mixing and stirring by speed of torque sensor, and then learns concrete workability, and reflects finished product material quality accurately; The rotating speed of adjustment motor, and then control stirring rate, in whipping process, carry out dynamic process monitoring to concrete workability, comparatively system comprehensively obtains the real-time change conditions of the concrete workability of whipping process.
Description
Technical field
The utility model relates to a kind of proving installation, particularly relates to a kind of concrete workability proving installation.
Background technology
At present, in fresh mixing concrete property experiment, a kind of method and apparatus more comprehensively differentiating concrete workability is lacked.The method of laboratory and working-yard test concrete workability has slump method and Wei Bo denseness method.Slump method is the method adopting slump cylinder to be measured workability by concrete slump height, operates simple and easy, is also convenient to use at building-site, but the size of the slump can only reflect concrete yield stress, and can not reflect plastic viscosity; Tieing up vigorous denseness method is finally measure the method for workability with the time by certain acting in conjunction with mobility, but it can only reflect plastic viscosity, and can not reflect yield stress.
The be put to the test Accuracy of human users and instrument of above two kinds of methods is comparatively large, and test result error is comparatively large, is difficult to reflect concrete actual performance parameter accurately, not strong to the directiveness of construction.In addition, existing method can only the concrete workability of test product, can not monitor the dynamic change course of concrete workability in whipping process.The special Sol of tower of Britain was once pointed out at 20 century 70s, the plastic viscosity of cement concrete and yield stress two parameters can represent by the size of moment of torsion in concrete-agitating process, give the relational expression between moment of torsion and this two parameters, see formula (1).Therefore, can think that moment of torsion is by plastic viscosity and these two factors of yield stress.And plastic viscosity hinders a kind of performance parameter of inner structure flowing, with velocity gradient, the change of shear stress and changing; Yield stress be then by each particle of compound between adhesion and friction force cause, the main impact by aggregate amount, aggregate size, grating and additive; These two parameters can comparatively system, comprehensively characterize compound workability, therefore the size of moment of torsion can reflect the construction workability of cement concrete preferably.In concrete-agitating process, the rotating speed of mixing plant needs to determine, now power of agitator is directly proportional to stirring moment of torsion, and watt level and moment of torsion have same meaning, can be used for characterizing workability.T＝g+hN(1)
In formula: T-torque, Nm;
N-rotating speed, r/min;
The constant of g-be directly proportional to yield value;
The constant of h-be directly proportional to plastic viscosity.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides one system can record concrete workability accurately, and monitors the concrete workability proving installation that concrete workability in whipping process carries out dynamic changing process.
For solving the problem, the technical scheme that the utility model is taked is: comprise frame, is fixed on frame mixes cylinder body, is provided with the power-equipment that is fixed in frame and makes to mix the device for discharging that cylinder body tumbles mixing cylinder body both sides;
Described mix cylinder body comprise top have material gateway mix cylinder and with the gear mixed cylinder and be connected;
Described mixing in cylinder is provided with the some groups of shafts be parallel to each other, and is all fixed with mixing arm often organizing on shaft, mixing arm is fixed with blade;
Described shaft is connected with gear;
Described power-equipment comprises motor, reducer casing, speed of torque sensor and for regulating the electric cabinet of motor working power frequency;
Wherein, motor is connected with electric cabinet and reducer casing respectively, and speed of torque sensor is connected with reducer casing and shaft;
Described speed of torque sensor is connected with the measurement and control instrument of rotary speed information with for showing moment of torsion.
Described mixing arm is T steel plate, and the end of mixing arm is fixed on shaft, and the front end of mixing arm is provided with two U-lags be parallel to each other;
Described mixing arm is connected by the bolt through U-lag with blade.
Described speed of torque sensor is connected respectively by the output shaft of shaft coupling with shaft and reducer casing;
Motor is connected with the input shaft of reducer casing by shaft coupling.
Described cylinder body of mixing is that Double-horizontal-shaft mixes cylinder body.
Described gear comprises for transmitting power to the driving gear set of shaft and the synchronous gear wheels ensureing some groups of shaft synchronous axial system.
Described device for discharging comprises the handwheel of the worm movement of worm reduction box and drive worm reduction box;
Wherein, handwheel is connected with the worm screw of worm reduction box, the output shaft of worm gear with mix cylinder body and be connected.
Being provided with above device for discharging for being fixed on pin shaft fixing device in frame by mixing cylinder body, frame being fixed with the nut mated with pin shaft fixing device, mixing cylindrical sleeve outer wall of cylinder block being provided with pin shaft fixing device can be made to screw in.
Described pin shaft fixing device is the bolt with handle.
Described reducer casing, speed of torque sensor are all bolted in frame.
The frequency converter for regulating agitator shaft speed is provided with in described electric cabinet.
Compared with prior art, the utility model has following beneficial effect: the utility model obtains the power parameter of the process of mixing and stirring by speed of torque sensor, and then learns concrete workability, reflects finished product material quality accurately; Adjust the frequency of operation of motor by electric cabinet thus adjust its rotating speed, and then control stirring rate, in whipping process, dynamic process monitoring is carried out to concrete workability, comparatively system comprehensively obtains the real-time change conditions of the concrete workability of whipping process, can be tumbled by device for discharging and mix cylinder body, realize the function of easy-unloading.
Further, the control that frequency converter realizes stirring rate is set;
Further, be built in by gear and mix in cylinder body, gear is sealing, and sealing not only can reduce the impact of outer bound pair gear, can also utilize lubricant more fully;
Further, owing to there being the existence of U-lag, bolt just can move along mixing arm between U-lag, and blade moves together along with bolt, thus can adjusting vane and the gap of mixing between casing wall.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the schematic diagram that the utility model mixes cylinder body;
Fig. 4 is the A view of Fig. 3;
Fig. 5 is the structural representation of the utility model mixing arm;
Wherein, 1. motor, 2. reducer casing, 3. speed of torque sensor, 4. pin shaft fixing device, 5. electric cabinet, 6. frame, 7. mixes cylinder body, 8. gear, 9. mixes cylinder, 10. device for discharging, 11. shafts, 12. driving gear set, 13. mixing arms, 14. blades, 15.U shape groove.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details:
See Fig. 1 to Fig. 5, the utility model comprises frame 6, is fixed on frame 6 mixes cylinder body 7, is provided with the power-equipment that is fixed in frame 6 and makes to mix the device for discharging that cylinder body 7 tumbles mixing cylinder body 7 both sides; Mix cylinder body 7 comprise top offer material gateway mix cylinder 9 and with gear 8 He of mixing cylinder 9 and being connected, mix in cylinder 9 and be provided with the some groups of shafts be parallel to each other 11, all be fixed with mixing arm 13 often organizing on shaft 11, mixing arm 13 is fixed with blade 14; Shaft 11 is connected with gear 8; Gear 8 comprises for transmitting power to the driving gear set 12 of shaft 11 and the synchronous gear wheels ensureing some groups of shaft 11 synchronous axial system, avoids stirring vane movement interference;
Wherein, device for discharging 10 comprises the handwheel of the worm movement of worm reduction box and drive worm reduction box; Handwheel is connected with the worm screw of worm reduction box, the output shaft of worm gear with mix cylinder body 7 and be connected.
Be provided with for being fixed on pin shaft fixing device 4 in frame 6 by mixing cylinder body 7 above device for discharging 10, frame 6 is fixed with the nut mated with pin shaft fixing device 4, be provided with the cylindrical sleeve that pin shaft fixing device 4 can be made to screw in mixing on cylinder body 7 outer wall, pin shaft fixing device 4 is the bolt with handle.
Power-equipment of the present utility model comprises motor 1, reducer casing 2, speed of torque sensor 3 and for regulating the electric cabinet 5 of motor 4 working power frequency, is provided with the frequency converter for regulating shaft 11 rotating speed in electric cabinet 5;
Wherein, motor 1 is connected respectively by the input shaft of shaft coupling with electric cabinet 5 and reducer casing 2, and speed of torque sensor 3 is connected by the output shaft of shaft coupling and reducer casing 2 and shaft 11;
This material gateway is provided with cover plate; Speed of torque sensor 3 is connected with the measurement and control instrument of rotary speed information with for showing moment of torsion, and measurement and control instrument is connected with computing machine, for storing moment of torsion and rotary speed information data.
Mixing arm 13 of the present utility model is T steel plate, and the end of mixing arm 13 is fixed on shaft 11, and the front end of mixing arm 13 is provided with two U-lags be parallel to each other 15; Mixing arm 13 and blade 14 are by being connected through the bolt of U-lag 15, owing to there being the existence of U-lag 15, bolt just can move along mixing arm 13 between U-lag 15, and blade 14 moves together along with bolt, thus can adjusting vane 14 and the gap of mixing between casing wall.
Cylinder body of mixing of the present utility model is Double-horizontal-shaft.
Reducer casing 2 of the present utility model, speed of torque sensor 3 are all bolted in frame 6.
Gear is built in by the utility model to be mixed in cylinder body 7, and gear 8 is sealings, and sealing not only can reduce the impact of outer bound pair gear, can also utilize lubricant more fully.
Device for discharging 10 of the present utility model is made up of two parts, and Part I is worm reduction box, and Part II is handwheel.Rotate handwheel and drive worm movement, worm screw drives turbines into motion, and the outputting power of worm gear acts on to be mixed on cylinder body 7, makes to mix cylinder body 7 and tumbles, play discharging effect; After unsnatching material, reversing handle, based on identical principle, mixes cylinder body 7 and can to restore to the original state state.
Handwheel is arranged on the worm screw of reducer casing, when normally stirring, due to auto-lock function and the pin shaft fixing device effect of worm reduction box, will mix cylinder body and fixing; When concrete-agitating completes, when needing discharging, open pin shaft fixing device, and rotate handwheel, reducer casing worm gear drives mixes cylinder rotation, makes it topple, thus realizes discharging.
The principle that the utility model realizes its function is: 1. at power-equipment with mix between cylinder body and be provided with speed of torque sensor, can draw the power parameter of stirring machine easily, there is the relation of formula (1) between moment of torsion and plastic viscosity, yield stress,
T＝g+hN (1)
In formula: T-torque, Nm;
N-rotating speed, r/min;
The constant of g-be directly proportional to yield value;
The constant of h-be directly proportional to plastic viscosity.
Plastic viscosity, yield stress can symbolize workability, so can symbolize workability by moment of torsion; Power and moment of torsion are directly proportional, so can characterize workability by power.Because speed of torque sensor can be measured in real time and record data, so the workability symbolized has real-time, the detection of workability can not only be realized, also can realize the determination of the concrete-agitating parameter based on workability.
2. frequency converter is arranged in electric cabinet 5, can change the frequency of motor 1 working power, and then changes the rotating speed of motor 1; Because the reduction gear ratio between motor 1 to shaft 11 is constant, therefore the rotating speed of shaft 11 can be changed by frequency converter.
3. mixing arm 13 is provided with U-lag 15, the bolt connecting shaft 11 and blade 14 can move on U-lag 15, and blade 14 moves together along with bolt, thus adjustment blade 14 is to the gap of mixing casing wall, realizes the function regulating gap.
4., by coordinating between handwheel with worm reduction box, the power transmission of rotating handwheel, to mixing on cylinder body, makes to mix cylinder body 7 and reverses, thus realize the function of easy-unloading.
Pin shaft fixing device is made up of three parts, Part I is the bolt that one end is provided with handle, Part II is the nut be cemented in above frame matched with Part I, Part III is welded in the cylindrical sleeve mixed on outer wall of cylinder block, when fixedly mixing cylinder body, bolt is screwed within cylindrical sleeve.
The utility model is mixed cylinder and is adopted Double-horizontal-shaft structural design, thus can reflect the stirring state of engineering reality.Obtained the power parameter of the process of mixing and stirring by speed of torque sensor, and then learn concrete workability; The utility model can be comprehensively real-time the change conditions reflecting concrete workability.By introducing frequency converter, realize the control of stirring rate.By what be positioned at U-type groove on the little steel disc of mixing arm end, the adjustment realizing blade Yu mix casing wall gap is set.Realize mixing tumbling of cylinder body by the cooperation of worm reduction box in device for discharging and handwheel, reach the function of easy-unloading.The self-locking of mixing cylinder body in whipping process is realized by the auto-lock function of worm and gear in worm reduction box in device for discharging;
The beneficial effects of the utility model: the 1. fresh concrete workability measured can reflect finished product material quality accurately; 2. in whipping process, can carry out dynamic process monitoring to concrete workability, comparatively system comprehensively obtains the real-time change conditions of the concrete workability of whipping process; 3. can realize the control of stirring rate, simulate the mix function of different model stirring machine more really; 4. can be tumbled by device for discharging and mix cylinder body, realize the function of easy-unloading.
The course of work of the present utility model: during use, being added by material by pan feeding entrance mixes in cylinder 9, open motor 4, the frequency converter of adjustment electric cabinet 5 is to regulate the speed of shaft, by in speed of torque sensor 3 Real-time Collection whipping process, moment of torsion and rotary speed information, and by the information collected by measurement and control instrument shows, and export to computer by the communication function of measurement and control instrument, data are stored by software supporting on computer, after being completed, realize making to mix cylinder body 7 by device for discharging to tumble, material is poured out, after unsnatching material, reversing handle, based on identical principle, mix cylinder body 7 can to restore to the original state state.
Claims (10)
1. a concrete workability proving installation, it is characterized in that: comprise frame (6), be fixed on and frame (6) mixes cylinder body (7), be provided with the power-equipment that is fixed in frame (6) and make to mix the device for discharging that cylinder body (7) tumbles mixing cylinder body (7) both sides;
Described mix cylinder body (7) comprise top have material gateway mix cylinder (9) and with the gear (8) mixed cylinder (9) and be connected;
Described mixing in cylinder (9) is provided with the some groups of shafts be parallel to each other (11), all be fixed with mixing arm (13) often organizing on shaft (11), mixing arm (13) is fixed with blade (14);
Described shaft (11) is connected with gear (8);
Described power-equipment comprises motor (1), reducer casing (2), speed of torque sensor (3) and for regulating the electric cabinet (5) of motor (1) working power frequency;
Wherein, motor (1) is connected with electric cabinet (5) and reducer casing (2) respectively, and speed of torque sensor (3) is connected with reducer casing (2) and shaft (11);
Described speed of torque sensor (3) is connected with the measurement and control instrument of rotary speed information with for showing moment of torsion.
2. a kind of concrete workability proving installation according to claim 1, it is characterized in that: described mixing arm (13) is T steel plate, the end of mixing arm (13) is fixed on shaft (11), and the front end of mixing arm (13) is provided with two U-lags be parallel to each other (15);
Described mixing arm (13) and blade (14) are by being connected through the bolt of U-lag (15).
3. a kind of concrete workability proving installation according to claim 1, is characterized in that: described speed of torque sensor (3) is connected respectively by the output shaft of shaft coupling with shaft (11) and reducer casing (2);
Motor (1) is connected by the input shaft of shaft coupling with reducer casing (2).
4. a kind of concrete workability proving installation according to claim 1, is characterized in that: described mix cylinder body (7) for Double-horizontal-shaft and mix cylinder body.
5. a kind of concrete workability proving installation according to claim 1, is characterized in that: described gear (8) comprises for transmitting power to the driving gear set of shaft (11) and the synchronous gear wheels ensureing some groups of shaft (11) synchronous axial system.
6. a kind of concrete workability proving installation according to claim 1, is characterized in that: described device for discharging (10) comprises the handwheel of the worm movement of worm reduction box and drive worm reduction box;
Wherein, handwheel is connected with the worm screw of worm reduction box, the output shaft of worm gear with mix cylinder body (7) and be connected.
7. a kind of concrete workability proving installation according to claim 1, it is characterized in that: be provided with in device for discharging (10) top and be fixed on pin shaft fixing device (4) in frame (6) for cylinder body (7) will be mixed, frame (6) is fixed with the nut mated with pin shaft fixing device (4), is mixing cylindrical sleeve cylinder body (7) outer wall being provided with pin shaft fixing device (4) can be made to screw in.
8. a kind of concrete workability proving installation according to claim 7, is characterized in that: described pin shaft fixing device (4) is the bolt with handle.
9. a kind of concrete workability proving installation according to claim 1, is characterized in that: described reducer casing (2), speed of torque sensor (3) are all bolted in frame (6).
10. a kind of concrete workability proving installation according to claim 1, is characterized in that: be provided with the frequency converter for regulating shaft (11) rotating speed in described electric cabinet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851482.7U CN204359644U (en) | 2014-12-27 | 2014-12-27 | A kind of concrete workability proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851482.7U CN204359644U (en) | 2014-12-27 | 2014-12-27 | A kind of concrete workability proving installation |
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| Publication Number | Publication Date |
|---|---|
| CN204359644U true CN204359644U (en) | 2015-05-27 |
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ID=53261108
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420851482.7U Expired - Fee Related CN204359644U (en) | 2014-12-27 | 2014-12-27 | A kind of concrete workability proving installation |
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| Country | Link |
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| CN (1) | CN204359644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655366A (en) * | 2019-01-24 | 2019-04-19 | 中建西部建设西南有限公司 | A kind of device and method of Fast Evaluation workability water-reducing agent performance |
| CN110480834A (en) * | 2019-07-16 | 2019-11-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of workability of concrete quick recovery system |
-
2014
- 2014-12-27 CN CN201420851482.7U patent/CN204359644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655366A (en) * | 2019-01-24 | 2019-04-19 | 中建西部建设西南有限公司 | A kind of device and method of Fast Evaluation workability water-reducing agent performance |
| CN110480834A (en) * | 2019-07-16 | 2019-11-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of workability of concrete quick recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160805 Address after: Xinhua Street, Xincheng District, Hohhot, (Middle East of nineteen), the Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Traffic Design & Research Institute Co Ltd Address before: 710064 Xi'an, South Shaanxi, the Second Ring Road No. 33 Patentee before: Changan Univ. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20161227 |