CN107328689B - Movable leveling type high-precision testing device and method for testing concrete slump expansion degree - Google Patents
Movable leveling type high-precision testing device and method for testing concrete slump expansion degree Download PDFInfo
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- CN107328689B CN107328689B CN201710601895.8A CN201710601895A CN107328689B CN 107328689 B CN107328689 B CN 107328689B CN 201710601895 A CN201710601895 A CN 201710601895A CN 107328689 B CN107328689 B CN 107328689B
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- 238000012360 testing method Methods 0.000 title claims abstract description 93
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- 230000008569 process Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
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- 239000011152 fibreglass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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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; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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Abstract
The invention provides a mobile leveling type high-precision testing device for testing the slump expansion degree of concrete and a testing method thereof, the structure of the mobile leveling type high-precision testing device comprises a frame vehicle, wherein a frame table is arranged on the frame vehicle, and a supporting table is arranged on the table top of the frame table; the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial; a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel; the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller; the frame bench is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale. The test process is more standard, the test result is more accurate, and the movement is more convenient.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a mobile leveling type high-precision testing device and a testing method for testing the slump expansion degree of concrete.
Background
At present, in the construction process of buildings, municipal administration and roads and bridges, indispensable participants are concrete, and before the concrete is used, slump or slump expansion of the concrete is tested. However, in reality many testing procedures do not meet regulatory requirements, in part due to lack of rigor in the choice of test sites and test equipment. Briefly summarized as follows:
1. in the test process, the backing plate meeting the requirements is not selected, and the backing plate comprises flatness, hydrophilicity of materials, smoothness and the like;
2. suitable sites are not selected, and comprise the flatness, the level degree, the soil hardness degree and the like of the sites;
3. whether the device is wet before use;
4. whether the concrete is filled for three times according to the standard requirement in the concrete filling process or not, and knocking and tamping;
5. whether the slump barrel is at a uniform speed and within a specified time range in the process of pulling up.
The inaccuracy of the test result can be caused by various reasons or single or interweaving occurrence, so that inaccurate information is transmitted to constructors, and the construction quality is affected to a certain extent.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a mobile leveling type high-precision testing device and a testing method thereof for testing the slump expansion degree of concrete.
The technical scheme of the invention is realized in the following way that the movable leveling type high-precision testing device for testing the slump expansion degree of concrete structurally comprises a frame car,
A frame table is arranged on the frame trolley, and a supporting table is arranged on the table top of the frame table;
the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial;
a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel;
the slump barrel is of a variable-diameter cone barrel structure with a high barrel and a low barrel coaxially communicated, the high barrel is of a variable-diameter cone barrel shape with a wide mouth at the lower opening and a contracted mouth at the upper opening, the low barrel is of a variable-diameter cone barrel shape with a contracted mouth at the lower opening and a wide mouth at the upper opening, and the contracted mouth of the high barrel and the contracted mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track is arranged on the left lifting track, and a right lifting track is arranged on the right lifting track;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat;
a rotary motor and a vibrating motor which are synchronous left and right are uniformly arranged in the left control seat and the right control seat,
the left and right synchronous rotating motors drive the fixed rod to rotate, and the left and right synchronous vibrating motors vibrate to transfer vibration of the fixed rod;
the crawler motor, the rotating motor and the vibrating motor are all connected to a controller, the controller is fixedly connected to the table surface of the frame table, and a stop key, a lifting key, a descending key, a rotating key and a vibrating key are arranged on the controller;
the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller;
the frame bench is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale.
The frame body of the frame car is formed by fixedly connecting frame legs and reinforcing beams, and the frame body supports the frame table.
The adjusting seats are arranged on the table tops of the frame tables around the supporting table in a distributed mode, foot screw rods are arranged on the adjusting seats in a threaded mode, the foot screw rods are connected with the side walls of the supporting table in a propping mode, the supporting table is horizontally fixed through the foot screw rods distributed in a circumferential mode, and the center of the supporting table is overlapped with the axis of the slump barrel in a coordinated mode.
The air bubble type level is adopted as the level, the plane of the level is flush with the plane of the supporting table disc.
One edge of the frame table is provided with a cart gripper fixedly connected with the frame table.
The bottom of the frame vehicle is provided with universal wheels, and the universal wheels are provided with wheel buckles.
A method for testing the slump of concrete by using a movable leveling type high-precision testing device includes such steps as stopping the frame on a proper area, fixing supporting table, leveling by foot screw, lowering the slump barrel to dial by long-pressing the lowering key of controller, opening vibration mode, filling concrete three times, tamping, filling, closing vibration mode, lifting the slump barrel to proper height by long-pressing lifting key, and measuring slump by scale.
A method for testing the slump expansion degree of concrete by using a movable leveling type high-precision testing device includes such steps as stopping the frame on a proper area, fixing supporting table, leveling by screw, pressing down key for a long time to lower the slump barrel to dial plate, fixing, starting vibration mode, filling concrete for three times, tamping, filling, closing vibration mode, pressing up key for a long time to lift the slump barrel to proper height, and observing the reading of dial plate.
A method for testing the empty of concrete by using movable leveling high-precision tester includes such steps as stopping frame, fixing universal wheels, fixing supporting plates, spiral leveling, pressing down the small mouth of slump barrel, pressing down key, lowering slump barrel to dial, fixing it, starting vibration mode, filling concrete for three times, tamping, filling up, closing vibration mode, pressing up key, lifting up slump barrel to proper height, timing, and stopping timing.
Compared with the prior art, the invention has the following beneficial effects:
the movable leveling type high-precision testing device for testing the slump expansion degree of the concrete and the testing method thereof aim to solve the main problems that slump and slump expansion degree testing sites and equipment are not standard, the testing process is too random, the testing result is inaccurate and the like. Meanwhile, the problem of transportation and recovery of concrete for equipment carrying and testing is solved.
The movable leveling type high-precision testing device for testing the concrete slump expansion degree has the following functions:
1. the problem of uneven field or uneven backing plate is solved, and leveling is realized by using a level gauge and three foot screws;
2. the slump barrel can be lifted at a constant speed;
3. the device is provided with a vibration mode, and can replace manual knocking of the slump barrel;
4. various testing devices are integrated together, so that the portable and movable testing device is convenient to carry;
5. the slump barrel automatically and vertically rotates, so that concrete emptying test and cleaning are facilitated;
6. the dial is used as a substitute of a conventional backing plate, and the hydrophilic property and the smoothness degree can meet the standard requirements;
7. the concrete can be conveniently recycled after the test is finished, and the concrete can be transported to a construction section or a concrete recycling place in a vehicle-mounted manner, so that the burden of a human body is reduced, and the concrete waste is reduced.
Through the design, the standardization of the test process and the accuracy of the test result can be improved to a great extent, and meanwhile, certain convenience is brought to a user.
The mobile leveling type high-precision testing device for testing the concrete slump expansion degree comprises:
1. arrangement of level and foot screw
The horizontal requirement can be met to a high degree, and the problems of uneven field, uneven backing plate and the like in the past are solved.
2. Arrangement of lifting rail and manipulator
The slump barrel is guaranteed to be lifted at a constant speed, and the problems of lifting speed difference, non-standardization and the like caused by manual lifting are solved.
3. Setting of transparent glass fiber reinforced plastic scale plate
The traditional tape measure for manual measurement is replaced, the reading is more accurate, and the operation is more convenient; the material is wear-resistant, smooth and not hydrophilic, and the scale marks can prevent abrasion on the back surface, so that the service life is prolonged.
4. Setting of vibration modes
Replaces manual knocking, saves more time and labor, and has better effect.
5. Turnover arrangement of support plate
And the concrete can be conveniently poured instead of manpower after the test is finished.
6. The base of the staff gauge is provided with a magnet and a folding horizontal piece
The ruler is convenient to fix on the frame table when in idle so as not to be lost; the folding horizontal piece can reduce the occupied space and enlarge the measuring range.
7. Vehicle-mounted movable type
The transportation of equipment of being convenient for, the transportation when being convenient for concrete is retrieved simultaneously lightens human burden, reduces the concrete extravagant.
Compared with the existing equipment, the testing process is more standard, the testing result is more accurate, the movement is more convenient and faster, the automation degree is higher, the burden of a human body is effectively reduced, and even the operation of a single soldier can be realized.
The mobile leveling type high-precision testing device for testing the slump expansion degree of the concrete is reasonable in design, simple in structure, safe, reliable, convenient to use, easy to maintain and has good popularization and use values.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
fig. 3 is a schematic top view of the present invention.
The reference numerals in the drawings denote:
1. a frame vehicle, 2, a frame table, 3 and a supporting table,
4. a level gauge, 5, a slump expansion degree dial,
6. a left lifting rail, 7, a right lifting rail, 8, a fixed rod, 9 and a slump barrel,
10. a tall cylinder, 11, a short cylinder,
12. left lifting crawler belt, 13, right lifting crawler belt, 14, crawler belt motor,
15. a left control seat, a 16 and a right control seat,
17. a rotary motor, 18, a vibrating motor,
19. a controller 20, a stop key 21, a lift key 22, a descent key 23, a rotation key 24, a vibration key,
25. a power supply 26, a scale base 27, a scale frame 28, a folding length scale,
29. the frame legs, 30, the reinforcing beams,
31. the device comprises an adjusting seat 32, a foot screw rod 33, a trolley handle 34, universal wheels 35 and a brake wheel buckle.
Detailed Description
The following describes a mobile leveling type high-precision testing device for testing the slump expansion degree of concrete and a testing method thereof in detail by referring to the accompanying drawings.
As shown in the accompanying drawings, the invention relates to a mobile leveling type high-precision testing device for testing the slump expansion degree of concrete and a testing method thereof, the structure of the mobile leveling type high-precision testing device comprises a frame car,
a frame table 2 is arranged on the frame car 1, and a supporting table 3 is arranged on the table top of the frame table 2;
the supporting table 3 is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level 4, and the table surface of the supporting table is marked with a slump expansion dial 5;
a left lifting rail 6 and a right lifting rail 7 are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod 8 is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod 8 is fixedly connected with a slump barrel 9;
the slump barrel 9 is of a variable diameter cone barrel structure with a high barrel 10 and a low barrel 11 which are coaxially communicated, the high barrel is of a variable diameter cone barrel shape with a wide mouth at the lower opening and a reduced mouth at the upper opening, the low barrel is of a variable diameter cone barrel shape with a reduced mouth at the lower opening and a wide mouth at the upper opening, and the reduced mouth of the high barrel and the reduced mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track 12 is arranged on the left lifting track 6, and a right lifting track 13 is arranged on the right lifting track 7;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors 14 at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat 15;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat 16;
a rotary motor 17 and a vibrating motor 18 which are synchronous left and right are uniformly arranged in the left control seat 15 and the right control seat 16,
the left and right synchronous rotating motor 17 drives the fixed rod to rotate, and the left and right synchronous vibrating motor 18 vibrates to transfer vibration of the fixed rod;
the caterpillar motor, the rotary motor and the vibration motor are all connected to a controller 19, the controller 19 is fixedly connected to the table surface of the frame table 2, and a stop key 20, a lifting key 21, a descending key 22, a rotary key 23 and a vibration key 24 are arranged on the controller;
the controller 19 is connected with the power supply 25, and the power supply 25 controls the driving crawler motor 14, the rotating motor 17 and the vibrating motor 18 through the controller 19;
the frame 2 is provided with a scale base 26, on which a scale frame 27 is arranged, and on which a folding length scale 28 is arranged.
The frame car is fixedly connected with the reinforcing beam 30 through the frame legs 29 to form a frame body of the frame car, and the frame body supports the frame table.
The adjusting seats 31 are distributed on the table top of the frame table around the supporting table, the adjusting seats are rotatably provided with foot screw rods 32 which are connected with the supporting table in a penetrating way, the foot screw rods are connected with the side wall of the supporting table in a propping mode, the circumferentially distributed foot screw rods are used for fixing the supporting table horizontally and cooperatively adjusting the center of the supporting table to coincide with the axis of the slump barrel.
The air bubble type level is adopted as the level, the plane of the level is flush with the plane of the supporting table disc.
A cart gripper 33 fixedly connected with the frame table is arranged on one edge of the frame table.
The bottom of the frame car is provided with a universal wheel 34, and the universal wheel is provided with a brake wheel buckle 35.
A method for testing the slump of concrete by using a movable leveling type high-precision testing device includes such steps as stopping the frame on a proper area, fixing supporting table, leveling by foot screw, lowering the slump barrel to dial by long-pressing the lowering key of controller, opening vibration mode, filling concrete three times, tamping, filling, closing vibration mode, lifting the slump barrel to proper height by long-pressing lifting key, and measuring slump by scale.
A method for testing the slump expansion degree of concrete by using a movable leveling type high-precision testing device includes such steps as stopping the frame on a proper area, fixing supporting table, leveling by screw, pressing down key for a long time to lower the slump barrel to dial plate, fixing, starting vibration mode, filling concrete for three times, tamping, filling, closing vibration mode, pressing up key for a long time to lift the slump barrel to proper height, and observing the reading of dial plate.
A method for testing the empty of concrete by using movable leveling high-precision tester includes such steps as stopping frame, fixing universal wheels, fixing supporting plates, spiral leveling, pressing down the small mouth of slump barrel, pressing down key, lowering slump barrel to dial, fixing it, starting vibration mode, filling concrete for three times, tamping, filling up, closing vibration mode, pressing up key, lifting up slump barrel to proper height, timing, and stopping timing.
The movable leveling type high-precision testing device for testing the concrete slump expansion degree mainly comprises a frame vehicle, a supporting table, a lifting track, a foot screw, a scale, a dial, a level gauge, a fixing rod, a manipulator, a power supply, a circuit and a slump barrel.
Frame vehicle: mainly realizes the functions of transportation equipment, a stable frame and a supporting platform. The universal wheels are arranged on the vehicle body, so that the vehicle can advance in any direction, and meanwhile, the wheel buckles can be put down in the testing process to fix the vehicle body and prevent movement. The body 1200mm is divided into 1200mm and 650mm, and the frame legs are round steel pipes with the diameter of 40mm and the wall thickness of 3 mm; the reinforcing beam adopts square steel pipes with the thickness of 20mm x 1030mm and the wall thickness of 2mm; the frame table adopts a steel plate with the thickness of 5 mm; the vehicle body is mainly welded and connected by bolts.
And (3) a gripper: when the vehicle moves, the positions held by the two hands are connected by bolts.
Support table: with the rotation axis integration of left and right sides, can realize the upset function, the stationary blade at other both ends can play the fixed action to the brace table, and the reinforcing bolt on the stationary blade can further stabilize the brace table, helps the spiral leveling of foot in next step. The supporting table adopts a round steel plate with the diameter of 1000mm and the thickness of 5 mm.
Lifting rail: the movable track of the fixed rod ensures the vertical lifting of the fixed rod and comprises pulleys, gears, chains, vibrators, rotators and the like, wherein the specifications are 60mm, 30mm, 800mm and aluminum alloy.
Foot screw: respectively positioned at three vertexes of the equiangular triangle, with an inner diameter of 20mm, an outer diameter of 30mm and a height of 40mm.
The using method comprises the following steps: after the automobile body and backup pad are fixed, according to the position of the accurate bubble of water in the water level, rotate the foot spiral until the level bubble is placed in the middle.
Ruler: the base is internally provided with a powerful magnet which can be adsorbed on a frame table, and the scale is 0-300mm from top to bottom; the horizontal piece on the scale adopts folding type, the total length is 650mm, the thickness is 2mm, and the metal material with higher rigidity is adopted.
The application is as follows: slump test.
The using method comprises the following steps: after the slump barrel is lifted, the horizontal piece on the scale is unfolded and slid down to the top end of the concrete, and the slump value is obtained by checking the degree of the slump.
The dial is made of transparent glass fiber reinforced plastic with the diameter of 1000mm and the thickness of 5mm, and is carved on the bottom surface (abrasion is avoided), and the scale range is 150-500mm from inside to outside.
The application is as follows: slump extension test.
The using method comprises the following steps: after the slump barrel is lifted, after the concrete stops spreading, checking the scale value of the outermost periphery boundary of the concrete at two ends of the straight line passing through the circle center, and adding the scale values to obtain the slump expansion degree.
The leveling instrument is inlaid at the center of the bottom surface of the dial, contains leveling bubbles and has a diameter of 20mm.
Notice that: when leveling, the level bubble is observed to avoid parallax.
The fixing rod is used for connecting the slump barrel with the lifting rail (welding is adopted for connecting the slump barrel), and has the functions of fixing and assisting the rotation of the inner part of the lifting rail and vibrating the slump barrel. Specification of: diameter 20mm, wall thickness 2mm, length 520mm; material quality: and (3) a steel pipe.
The controller has the following specification: 150mm 100mm 20mm
The method comprises the following steps: stop key: stopping lifting or lowering
Lifting key: long press lifting
A down key: long press descent
Rotating key: rotary slump barrel
Vibration key: on/off vibration mode
And a power supply for providing energy for lifting, overturning and vibrating the slump barrel.
Slump barrel, the most critical participant of the device, and the slump, slump expansion and concrete evacuation tests are completed. Specification of: hollow round platform with top diameter of 100mm, bottom diameter of 200mm and vertical height of 300 mm.
2. Application method
Slump test: the method comprises the steps of stopping a frame vehicle at a proper section, fixing universal wheels, fixing a supporting plate, leveling by foot screws, lowering a slump barrel to a dial and fixing by long-time pressing of a 'lowering key', starting a vibration mode, filling concrete for three times, tamping, filling, closing the vibration mode, lifting the slump barrel to a proper height at a constant speed by long-time pressing of a 'lifting key', measuring slump by using a scale, loosening the universal wheels, moving the vehicle to a construction section or a concrete recycling place, loosening a fixing piece and a reinforcing bolt of the supporting plate, overturning the supporting plate, and falling concrete to a cleaning device.
Slump extension test: the method comprises the steps of stopping a frame vehicle at a proper section, fixing universal wheels, fixing a supporting plate, leveling by foot screws, lowering a slump barrel to a dial and fixing by long-pressing a 'lowering key', starting a vibration mode, filling concrete for three times, tamping, filling, closing the vibration mode, lifting the slump barrel to a proper height at a constant speed by long-pressing a 'lifting key', observing dial readings, loosening universal wheels, moving the vehicle to a construction section or a concrete recycling place, loosening fixing sheets and reinforcing bolts of the supporting plate, overturning the supporting plate, and falling concrete to a cleaning device.
And (3) concrete evacuation test: the method comprises the steps of stopping a frame vehicle at a proper section, fixing universal wheels, fixing a supporting plate, carrying out foot spiral leveling, pressing a rotary key to enable a small opening of a slump barrel to face downwards, pressing a descending key for a long time to enable the slump barrel to be lowered to a dial and fixed, starting a vibration mode, filling concrete for three times and tamping, filling and leveling, closing the vibration mode, pressing a lifting key for a long time to enable the slump barrel to be lifted to a proper height at a constant speed, timing, loosening the universal wheels, moving the vehicle to a construction section or a concrete recycling place, loosening fixing pieces and reinforcing bolts of the supporting plate, overturning the supporting plate, and enabling the concrete to fall to a cleaning device.
Claims (9)
1. A movable leveling type high-precision testing device for testing the slump expansion degree of concrete is characterized by comprising a frame car,
A frame table is arranged on the frame trolley, and a supporting table is arranged on the table top of the frame table;
the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial;
a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel;
the slump barrel is of a variable-diameter cone barrel structure with a high barrel and a low barrel coaxially communicated, the high barrel is of a variable-diameter cone barrel shape with a wide mouth at the lower opening and a contracted mouth at the upper opening, the low barrel is of a variable-diameter cone barrel shape with a contracted mouth at the lower opening and a wide mouth at the upper opening, and the contracted mouth of the high barrel and the contracted mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track is arranged on the left lifting track, and a right lifting track is arranged on the right lifting track;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat;
a rotary motor and a vibrating motor which are synchronous left and right are uniformly arranged in the left control seat and the right control seat,
the left and right synchronous rotating motors drive the fixed rod to rotate, and the left and right synchronous vibrating motors vibrate to transfer vibration of the fixed rod;
the crawler motor, the rotating motor and the vibrating motor are all connected to a controller, the controller is fixedly connected to the table surface of the frame table, and a stop key, a lifting key, a descending key, a rotating key and a vibrating key are arranged on the controller;
the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller;
the frame bench is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale.
2. The mobile leveling type high-precision testing device for testing the slump expansion degree of concrete according to claim 1, wherein the mobile leveling type high-precision testing device comprises the following components: the frame body of the frame car is formed by fixedly connecting frame legs and reinforcing beams, and the frame body supports the frame table.
3. The mobile leveling type high-precision testing device for testing the slump expansion degree of concrete according to claim 1, wherein the mobile leveling type high-precision testing device comprises the following components: the adjusting seats are arranged on the table tops of the frame tables around the supporting table in a distributed mode, foot screw rods are arranged on the adjusting seats in a threaded mode, the foot screw rods are connected with the side walls of the supporting table in a propping mode, the supporting table is horizontally fixed through the foot screw rods distributed in a circumferential mode, and the center of the supporting table is overlapped with the axis of the slump barrel in a coordinated mode.
4. The mobile leveling type high-precision testing device for testing the slump expansion degree of concrete according to claim 1, wherein the mobile leveling type high-precision testing device comprises the following components: the air bubble type level is adopted as the level, the plane of the level is flush with the plane of the supporting table disc.
5. The mobile leveling type high-precision testing device for testing the slump expansion degree of concrete according to claim 1, wherein the mobile leveling type high-precision testing device comprises the following components: one edge of the frame table is provided with a cart gripper fixedly connected with the frame table.
6. The mobile leveling type high-precision testing device for testing the slump expansion degree of concrete according to claim 1, wherein the mobile leveling type high-precision testing device comprises the following components: the bottom of the frame vehicle is provided with universal wheels, and the universal wheels are provided with wheel buckles.
7. A method for testing concrete slump by using a mobile leveling type high-precision testing device is characterized by comprising the following steps of: the device is characterized in that a frame table is arranged on a frame vehicle, and a supporting table is arranged on the table surface of the frame table;
the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial;
a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel;
the slump barrel is of a variable-diameter cone barrel structure with a high barrel and a low barrel coaxially communicated, the high barrel is of a variable-diameter cone barrel shape with a wide mouth at the lower opening and a contracted mouth at the upper opening, the low barrel is of a variable-diameter cone barrel shape with a contracted mouth at the lower opening and a wide mouth at the upper opening, and the contracted mouth of the high barrel and the contracted mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track is arranged on the left lifting track, and a right lifting track is arranged on the right lifting track;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat;
a rotary motor and a vibrating motor which are synchronous left and right are uniformly arranged in the left control seat and the right control seat,
the left and right synchronous rotating motors drive the fixed rod to rotate, and the left and right synchronous vibrating motors vibrate to transfer vibration of the fixed rod;
the crawler motor, the rotating motor and the vibrating motor are all connected to a controller, the controller is fixedly connected to the table surface of the frame table, and a stop key, a lifting key, a descending key, a rotating key and a vibrating key are arranged on the controller;
the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller;
the frame table is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale;
the adjusting seats are arranged on the table top of the frame table around the supporting table in a distributed manner, foot screw rods are screwed on the adjusting seats and connected with the foot screw rods in a penetrating manner, the foot screw rods are propped against the side wall of the supporting table, the circumferentially distributed foot screw rods horizontally fix the supporting table and cooperatively adjust the center of the supporting table to coincide with the axis of the slump barrel;
the method comprises the steps of stopping a frame vehicle at a proper section, fixing a supporting table, leveling by foot spiral screws, lowering a slump barrel to a dial by pressing a controller lowering key for a long time, fixing, starting a vibration mode, filling concrete for three times, tamping, filling, closing the vibration mode, lifting the slump barrel to a proper height at a constant speed by pressing a lifting key for a long time, and measuring slump by using a scale to obtain the slump.
8. A method for testing the slump expansion degree of concrete by using a mobile leveling type high-precision testing device is characterized by comprising the following steps of: the device is characterized in that a frame table is arranged on a frame vehicle, and a supporting table is arranged on the table surface of the frame table;
the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial;
a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel;
the slump barrel is of a variable-diameter cone barrel structure with a high barrel and a low barrel coaxially communicated, the high barrel is of a variable-diameter cone barrel shape with a wide mouth at the lower opening and a contracted mouth at the upper opening, the low barrel is of a variable-diameter cone barrel shape with a contracted mouth at the lower opening and a wide mouth at the upper opening, and the contracted mouth of the high barrel and the contracted mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track is arranged on the left lifting track, and a right lifting track is arranged on the right lifting track;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat;
a rotary motor and a vibrating motor which are synchronous left and right are uniformly arranged in the left control seat and the right control seat,
the left and right synchronous rotating motors drive the fixed rod to rotate, and the left and right synchronous vibrating motors vibrate to transfer vibration of the fixed rod;
the crawler motor, the rotating motor and the vibrating motor are all connected to a controller, the controller is fixedly connected to the table surface of the frame table, and a stop key, a lifting key, a descending key, a rotating key and a vibrating key are arranged on the controller;
the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller;
the frame table is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale;
the adjusting seats are arranged on the table top of the frame table around the supporting table in a distributed manner, foot screw rods are screwed on the adjusting seats and connected with the foot screw rods in a penetrating manner, the foot screw rods are propped against the side wall of the supporting table, the circumferentially distributed foot screw rods horizontally fix the supporting table and cooperatively adjust the center of the supporting table to coincide with the axis of the slump barrel;
the method comprises the steps of stopping a frame vehicle at a proper section, fixing a supporting table, leveling by foot spiral screws, lowering a slump barrel to a dial by long pressing down a down key, fixing, starting a vibration mode, filling concrete for three times, tamping, filling, closing the vibration mode, lifting the slump barrel to a proper height at a constant speed by long pressing down the up key, and observing the dial reading to obtain the slump expansion degree.
9. A method for carrying out concrete evacuation test by using a mobile leveling type high-precision testing device is characterized by comprising the following steps of: the device is characterized in that a frame table is arranged on a frame vehicle, and a supporting table is arranged on the table surface of the frame table;
the supporting table is arranged in a disc shape, is horizontally arranged on the table surface of the frame table, the center of the supporting table is provided with a level gauge, and the table surface of the supporting table is marked with a slump expansion dial;
a left lifting rail and a right lifting rail are arranged on the frame table in the extending direction of the diameter of the supporting table; a fixed rod is horizontally erected between the left lifting rail and the right lifting rail, and the center of the fixed rod is fixedly connected with a slump barrel;
the slump barrel is of a variable-diameter cone barrel structure with a high barrel and a low barrel coaxially communicated, the high barrel is of a variable-diameter cone barrel shape with a wide mouth at the lower opening and a contracted mouth at the upper opening, the low barrel is of a variable-diameter cone barrel shape with a contracted mouth at the lower opening and a wide mouth at the upper opening, and the contracted mouth of the high barrel and the contracted mouth of the low barrel are connected with each other with the caliber into a whole to form the slump barrel; the height of the high cylinder is larger than that of the short cylinder, and the fixing rod is fixedly connected to the wall of the high cylinder;
a left lifting track is arranged on the left lifting track, and a right lifting track is arranged on the right lifting track;
the left lifting crawler belt and the right lifting crawler belt are driven by left and right synchronous crawler belt motors at the bottom ends;
the left lifting crawler belt and the right lifting crawler belt synchronously lift or descend;
the left lifting crawler belt is connected with the left end of the fixed rod through a left control seat;
the right lifting crawler belt is connected with the right end of the fixed rod through a right control seat;
a rotary motor and a vibrating motor which are synchronous left and right are uniformly arranged in the left control seat and the right control seat,
the left and right synchronous rotating motors drive the fixed rod to rotate, and the left and right synchronous vibrating motors vibrate to transfer vibration of the fixed rod;
the crawler motor, the rotating motor and the vibrating motor are all connected to a controller, the controller is fixedly connected to the table surface of the frame table, and a stop key, a lifting key, a descending key, a rotating key and a vibrating key are arranged on the controller;
the controller is connected with a power supply, and the power supply controls the driving crawler motor, the rotating motor and the vibrating motor through the controller;
the frame table is provided with a scale base, the scale base is provided with a scale frame, and the scale frame is provided with a folding length scale;
the adjusting seats are arranged on the table top of the frame table around the supporting table in a distributed manner, foot screw rods are screwed on the adjusting seats and connected with the foot screw rods in a penetrating manner, the foot screw rods are propped against the side wall of the supporting table, the circumferentially distributed foot screw rods horizontally fix the supporting table and cooperatively adjust the center of the supporting table to coincide with the axis of the slump barrel;
the method comprises the steps of stopping a frame vehicle at a proper section, fixing universal wheels, fixing a supporting plate, leveling by foot screws, pressing a rotary key to enable a small opening of a slump barrel to face downwards, pressing a descending key for a long time to enable the slump barrel to be lowered to a dial and fixed, starting a vibration mode, filling concrete for three times, tamping, filling, closing the vibration mode, pressing a lifting key for a long time to enable the slump barrel to be lifted to a proper height at a constant speed, timing, stopping timing when the slump barrel is emptied, and obtaining the concrete emptying degree in total time.
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| CN109541187A (en) * | 2018-11-30 | 2019-03-29 | 佛山科学技术学院 | A kind of slump consistancy test instrument |
| CN109557289A (en) * | 2018-12-03 | 2019-04-02 | 佛山科学技术学院 | A kind of plate of novel measurement cement slurry divergence |
| CN110608976B (en) * | 2019-10-19 | 2022-05-10 | 杭州鼎昇建材有限公司 | Device for detecting adaptability of concrete admixture |
| CN113189311A (en) * | 2021-04-13 | 2021-07-30 | 常静 | Quick detection device of concrete slump |
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