CN114088930A - Concrete slump survey device - Google Patents
Concrete slump survey device Download PDFInfo
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- CN114088930A CN114088930A CN202111259126.7A CN202111259126A CN114088930A CN 114088930 A CN114088930 A CN 114088930A CN 202111259126 A CN202111259126 A CN 202111259126A CN 114088930 A CN114088930 A CN 114088930A
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- 238000005056 compaction Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 19
- 238000007790 scraping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000011056 performance test Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 8
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- 230000008859 change Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 239000011425 bamboo Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
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Abstract
The invention is suitable for the technical field of concrete performance test, and provides a concrete slump measuring device, which comprises: a measurement tank within which a slump bucket is located; the supporting rail is arranged in the measuring box, and an automatic filling mechanism is arranged on the supporting rail; the lifting mechanism drives the collapsing barrel to vertically rise to measure the concrete slump; the automatic filling mechanism includes: the reciprocating component reciprocates on the support rail; the automatic blanking assembly is arranged on the reciprocating moving assembly and is used for carrying out automatic blanking; and the automatic blanking assembly and the reciprocating compaction assembly alternately perform blanking and compaction under the reciprocating movement of the reciprocating movement assembly and are used for finishing the cyclic process of blanking and compaction. The automatic loading mechanism is arranged, so that the cyclic process of blanking and compacting can be automatically completed for a plurality of times, the efficiency is high, and the measurement result is accurate.
Description
Technical Field
The invention belongs to the technical field of concrete performance testing, and particularly relates to a concrete slump testing device.
Background
The slump of concrete is also called concrete slump, mainly refers to the plasticizing performance and pumpability of concrete, and factors influencing the slump of concrete mainly include grading change, water content, weighing deviation of a weighing apparatus, dosage of an additive and the like, so the slump of concrete is one of important parameters in concrete construction.
In the prior art when survey concrete slump need be poured into a section of thick bamboo with the concrete, need use the ram to tamp after filling, because the concrete need be divided into the cubic and is filled, the process of tamping also is repeated the cubic, wastes time and energy, and artifical tamping has the inhomogeneous problem of application of force easily moreover, has influenced concrete slump's precision.
Disclosure of Invention
The embodiment of the invention aims to provide a concrete slump measuring device, and aims to solve the problems that in the prior art, manual filling and tamping of concrete wastes time and labor, force application is not uniform, and measuring accuracy is easily influenced.
An embodiment of the present invention is achieved by a concrete slump measuring apparatus, including:
a measuring box, wherein a collapse barrel is positioned in the measuring box, and the collapse barrel is used for filling concrete; further comprising:
the support rail is arranged in the measuring box, an automatic filling mechanism is arranged on the support rail and corresponds to the collapse barrel, and the automatic filling mechanism moves on the support rail in a reciprocating mode to automatically complete the cyclic process of blanking and compacting;
the lifting mechanism is connected with the collapse barrel and drives the collapse barrel to vertically ascend so as to measure the concrete collapse degree;
wherein, the automatic filling mechanism includes:
the reciprocating moving assembly is slidably mounted on the supporting rail and reciprocates on the supporting rail;
the automatic blanking assembly is arranged on the reciprocating assembly, corresponds to the collapse barrel and is used for carrying out automatic blanking;
and the reciprocating compaction assembly is arranged on the reciprocating movement assembly, corresponds to the collapse barrel and is used for automatically compacting, and the automatic blanking assembly and the reciprocating compaction assembly alternately perform blanking and compaction under the reciprocating movement of the reciprocating movement assembly and are used for finishing the cyclic process of blanking and compaction.
The concrete slump measuring device provided by the embodiment of the invention aims at the problems that in the prior art, three times of repeated filling and compaction operations are required when concrete is filled, manual operation is low in efficiency and uneven in force application, and the final slump accuracy is easily influenced, and the concrete slump measuring device is provided with an automatic filling mechanism, wherein the automatic filling mechanism is slidably arranged on a support rail, the support rail is positioned above a collapsed barrel and can move above the collapsed barrel, the specific automatic filling mechanism comprises an automatic blanking assembly and a reciprocating compaction assembly, the automatic blanking assembly and the reciprocating compaction assembly are positioned at different positions of the reciprocating assembly, the automatic blanking assembly and the reciprocating compaction assembly can be driven to be sequentially matched with the collapsed barrel when the reciprocating assembly is driven to move, and the automatic blanking assembly and the reciprocating compaction assembly can be driven to finish three times or a plurality of times of blanking when the reciprocating assembly is driven to move in a reciprocating manner, And in the compacting circulation process, a lifting mechanism is also arranged, and the collapsed barrel is driven by the lifting mechanism to ascend, so that the determination of the concrete collapse degree can be automatically completed.
Drawings
Fig. 1 is a schematic structural diagram of a concrete slump measuring apparatus according to an embodiment of the present invention;
fig. 2 is a partial plan view of an automatic filling mechanism in a concrete slump measuring apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automatic blanking assembly in a concrete slump measurement device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a reciprocating compaction assembly of a concrete slump determination apparatus according to an embodiment of the present invention;
fig. 5 is a side view of a lifting mechanism of a concrete slump measuring apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adjustable scraper ring assembly in a concrete slump measurement device according to an embodiment of the present invention.
In the drawings: 1-a measuring box; 2-collapsing the barrel; 3-a support rail; 4-moving the frame; 5-a first drive device; 6-gear; 7-a first rack; 8-a second rack; 9-a connecting plate; 10-a telescopic member; 11-a material box; 12-a second drive device; 13-a stirring rod; 14-stirring paddle; 15-a screw rod; 16-a sliding sleeve; 17-a blocking hopper; 18-a blanking channel; 19-a discharge hole; 20-a support plate; 21-a spring; 22-a cam; 23-a ram; 24-an adjustable movement assembly; 25-a reciprocating assembly; 26-a stirring assembly; 27-a discharge assembly; 28-an automatic blanking assembly; 29-reciprocating compaction assembly; 30-an automatic filling mechanism; 31-a fixed pulley; 32-connecting ropes; 33-a base plate; 34-an outer ring; 35-inner ring; 36-a first electric push rod; 37-a second electric push rod; 38-an adjustable scraper ring assembly; 39-a drive lift assembly; 40-a lifting mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a configuration diagram of a concrete slump measurement apparatus according to an embodiment of the present invention includes:
a measuring box 1, wherein a collapse barrel 2 is positioned in the measuring box 1, and the collapse barrel 2 is used for filling concrete; further comprising:
the supporting rail 3 is arranged in the measuring box 1, an automatic filling mechanism 30 is arranged on the supporting rail 3 and corresponds to the collapsed barrel 2, and the automatic filling mechanism 30 moves on the supporting rail 3 in a reciprocating mode to automatically complete the cyclic process of blanking and compacting;
the lifting mechanism 40 is connected with the collapsed barrel 2 and drives the collapsed barrel 2 to vertically ascend so as to measure the concrete slump;
wherein the automatic filling mechanism 30 includes:
a reciprocating assembly 25 slidably mounted on the support rail 3, wherein the reciprocating assembly 25 reciprocates on the support rail 3;
an automatic blanking assembly 28, mounted on the reciprocating assembly 25, corresponding to the collapsed barrel 2, for performing automatic blanking;
and the reciprocating compaction assembly 29 is arranged on the reciprocating assembly 25, corresponds to the collapsed barrel 2 and is used for carrying out automatic compaction, and the automatic blanking assembly 28 and the reciprocating compaction assembly 29 alternately carry out blanking and compaction under the reciprocating movement of the reciprocating assembly 25 so as to complete the cyclic process of blanking and compaction.
In one embodiment of the invention, the concrete slump measuring device aims at the problems that three times of repeated filling and compacting operations are required when concrete is filled in the prior art, manual operation is not only low in efficiency, but also force application is not uniform, and the final slump accuracy is easily influenced, an automatic filling mechanism 30 is arranged, the automatic filling mechanism 30 is slidably arranged on a support rail 3, the support rail 3 is positioned above a collapsed barrel 2 and can move above the collapsed barrel 2, the specific automatic filling mechanism 30 comprises an automatic blanking assembly 28 and a reciprocating compacting assembly 29, the automatic blanking assembly 28 and the reciprocating compacting assembly 29 are positioned at different positions of a reciprocating assembly 25, when the reciprocating assembly 25 is driven to move, the automatic blanking assembly 28 and the reciprocating compacting assembly 29 can be driven to be sequentially matched with the collapsed barrel 2, when the reciprocating assembly 25 is driven to move, the automatic blanking assembly 28 and the reciprocating compaction assembly 29 can be driven to complete the cycle process of blanking and compaction for three times or a plurality of times, meanwhile, a lifting mechanism 40 is also arranged, the lifting mechanism 40 is utilized to drive the collapsing barrel 2 to ascend, and the determination of the concrete slump can be automatically completed.
As shown in fig. 2, as a preferred embodiment of the present invention, the shuttle assembly 25 includes:
a moving frame 4 slidably mounted on the support rail 3;
and the adjustable moving assembly 24 is connected with the moving frame 4, and the adjustable moving assembly 24 changes the rotation into reciprocating linear movement and is used for driving the moving frame 4 to reciprocate on the support rail 3.
The movable frame 4 is connected with the supporting rail 3 in a sliding manner, the adjustable movable assembly 24 is connected with the movable frame 4, the adjustable movable assembly 24 can be a first driving device 5, a gear 6, a first rack 7 and a second rack 8 which are matched, wherein the output end of the first driving device 5 is connected with the gear 6 in a driving manner, the first rack 7 and the second rack 8 are respectively positioned at two sides of the gear 6 and can be continuously meshed with the gear 6, specifically, the first rack 7 and the second rack 8 are fixedly connected through a connecting plate 9, one sides of the first rack 7 and the movable frame 4 are connected through a telescopic piece 10, the second rack 8 and the other side of the movable frame 4 are connected through a telescopic pipe, the automatic blanking assembly 28 and the reciprocating compaction assembly 29 are connected at different positions at the bottom of the movable frame 4, the first driving device 5 is started, the first driving device 5 can be a servo motor or a pneumatic motor, the gear 6 can be driven to rotate, when the extensible member 10 is started to extend to drive the first rack 7 to be close to the gear 6 and to be continuously meshed with the gear 6, the second rack 8 is separated from the gear 6, the gear 6 drives the first rack 7 to move in the rotating process, and further drives the movable frame 4 to move in the support rail 3, so that the discharge assembly 27 and the automatic blanking assembly 28 are driven to be correspondingly matched with the collapse barrel 2 in sequence, when the circulating operation is required, the extensible member 10 is started to contract, the extensible member 10 drives the first rack 7 to be far away from the gear 6, the second rack 8 is pulled to be close to the gear 6 and to be continuously meshed with the gear 6, the gear 6 drives the second rack 8 to move in the rotating process, and further drives the movable frame 4 to move in the support rail 3 in the reverse direction, the first rack 7 or the second rack 8 is driven to be matched with the gear 6 through the extension of the extensible member 10, and further realizes the reciprocating movement of the movable frame 4, therefore, the automatic blanking assembly 28 and the reciprocating compaction assembly 29 alternately perform blanking and compaction operations, and the blanking and compaction cyclic process is completed; in addition, the adjustable moving assembly 24 can also be matched with a motor and a screw rod, the motor is selected to be a forward and reverse rotating motor, the output end of the motor is rotationally connected with the screw rod, the forward and reverse rotating motor is started to drive the screw rod to rotate, and the moving frame 4 is installed on the screw rod in a threaded connection mode, so that the reciprocating movement of the moving frame 4 can be realized.
As shown in fig. 3, as another preferred embodiment of the present invention, the automatic blanking assembly 28 includes:
the material box 11 is arranged in the measuring box 1;
the driving device 12 is installed on the material tank 11, and the driving device 12 drives the stirring assembly 26 to rotate and simultaneously drives the discharging assembly 27 to discharge materials;
the stirring assembly 26 is installed in the material tank 11 and connected with the driving device 12, and the stirring assembly 26 rotates in the material tank 11 and is used for accelerating the blanking speed of concrete;
the discharging assembly 27 is installed in the material box 11 and connected with the driving device 12, the discharging assembly 27 changes rotation into linear motion, and the discharging assembly 27 controls opening and closing of the material box 11 through lifting and is used for driving concrete to automatically discharge;
and the discharge port 19 is arranged on the movable frame 4, and the discharge port 19 is connected with the discharge assembly 27 and used for driving concrete to be filled into the collapsing barrel 2.
When concrete needs to be filled in the collapse bucket 2, the driving device 12 is started, the driving device 12 can be a servo motor or a pneumatic motor, the stirring assembly 26 can be driven simultaneously only when the discharging assembly 27 is driven to discharge, excessive stirring caused by long-time stirring of the stirring assembly 26 in the material tank 11 can be prevented, the driving device 12 drives the stirring assembly 26 to rotate in the material tank 11, the stirring assembly 26 can be matched with the stirring rod 13 and the stirring paddle 14, the stirring rod 13 is in driving connection with the output end of the driving device 12, the stirring paddle 14 is fixed on the stirring rod 13 and is driven to rotate in the material tank 11 through the stirring rod 13, the discharging speed can be increased, meanwhile, the discharging assembly 27 changes rotation into linear motion, wherein the discharging assembly 27 can be matched with the screw rod 15, the sliding sleeve 16, the material blocking hopper 17 and the discharging channel 18, and the screw rod 15 is fixedly connected with the stirring rod 13, the sliding sleeve 16 is connected with the screw rod 15 in a threaded connection mode, the screw rod 15 can drive the sliding sleeve 16 to perform a lifting process in a rotating process, the blocking hopper 17 is fixed at the bottom of the sliding sleeve 16, the blocking hopper 17 is blocked on a discharge hole at the bottom of the material box 11, when the blocking hopper 17 is driven to lift, the opening and closing of the discharge hole of the material box 11 can be controlled, when the blocking hopper 17 rises, concrete in the material box 11 can be automatically discharged, and the concrete is transmitted into the discharge hole 19 through the discharging channel 18, so that the concrete can be filled into the collapsed barrel 2; in addition, stirring subassembly 26 can also be for stirring structures such as frame stirring rake, spiral stirring rake, and ejection of compact subassembly 27 can also be for the cooperation of gear and rack, and the rotation through the gear drives the rack and removes, and then the lift of control stifled hopper 17, the opening and close of control material case 11 discharge gate from this.
As shown in fig. 4, as a preferred embodiment of the present invention, the reciprocating compacting assembly 29 comprises:
a support plate 20, wherein a spring 21 is arranged on the support plate 20 and connected with the movable frame 4;
a plurality of cams 22, wherein the cams 22 are installed on the moving frame 4 and are in contact with the supporting plate 20, and the cams 22 drive the supporting plate 20 to reciprocate through rotation;
and the ramming weight 23 is connected to the cam 22, and the ramming weight 23 performs reciprocating ramming on the concrete in the slump bucket 2 in the reciprocating lifting process of the cam 22.
After concrete is filled into the collapsing barrel 2, hammering is needed to be carried out, the reciprocating compaction assembly 29 is driven to correspond to the collapsing barrel 2, the cam 22 is started to rotate, the cam 22 applies pressure to the supporting plate 20 at the bottom, the supporting plate 20 is driven to move downwards, the spring 21 is stressed to deform and stretch at the moment, the hammer 23 is driven to move downwards, when the pressure of the cam 22 on the supporting plate 20 is gradually reduced until the pressure disappears, the supporting plate 20 returns under the elastic force of the spring 21, the hammer 23 can be driven to carry out reciprocating hammering through continuous rotation of the cam 22, the concrete is required to be filled for three times in concrete measurement, so that the height after the concrete is filled is different, a plurality of cams 22 with different sizes can be arranged, and different cams 22 are selected to be started as required to complete a hammering process; in addition, reciprocal compaction subassembly 29 can also select for the cooperation of crank connecting rod, drives the connecting rod through the pivoted crank and carries out reciprocating motion, sets up the ram 23 in the bottom of connecting rod, can carry out reciprocal hammering on the concrete in the slump bucket 2, and the application of force is even, and is efficient.
As shown in fig. 5, as a preferred embodiment of the present invention, the lifting mechanism 40 includes a driving lifting assembly 39 mounted on the measuring box 1, wherein the driving lifting assembly 39 is connected to the collapsing barrel 2, and the collapsing barrel 2 is lifted by applying a pulling-up force to the collapsing barrel 2 to be separated from the concrete in the collapsing barrel 2.
After the concrete is completely filled, the transmission lifting assembly 39 is started to apply a pull force to the collapse barrel 2, the collapse barrel 2 is driven to ascend to be separated from the concrete in the collapse barrel 2, the collapse phenomenon of the concrete under the dead weight is measured, and the measurement of the concrete collapse degree can be completed.
As shown in fig. 5, as a preferred embodiment of the present invention, the driving elevating assembly 39 includes:
a fixed pulley 31 mounted on the measuring box 1 for transmitting a push-pull force;
and a connection rope 32 installed on the fixed pulley 31, one side of the connection rope 32 being connected to the collapsing barrel 2, the other side of the connection rope 32 being connected to a second electric push rod 37, and applying a downward pulling force to one side of the connection rope 32 by the extension of the second electric push rod 37 to drive the collapsing barrel 2 to ascend.
The second electric push rod 37 is started to extend to drive one end of the connecting rope 32 to be pressed downwards under stress, the direction of the force is changed by the fixed pulley 31, and then upward pulling force can be generated on the collapse barrel 2, so that the collapse barrel 2 is pulled upwards; in addition, the transmission lifting assembly 39 can also apply pulling force to the collapsed barrel 2 through the transmission between the gear and the rack by the matching of the gear and the rack, so as to drive the collapsed barrel 2 to be pulled up.
As shown in fig. 5 to 6, as a preferred embodiment of the present invention, the driving elevating assembly 39 further includes an adjustable scraper ring assembly 38, the adjustable scraper ring assembly 38 is connected to the other side of the fixed pulley 31, the second electric push rod 37 is installed between the measuring box 1 and the adjustable scraper ring assembly 38, and the second electric push rod 37 is extended to drive the adjustable scraper ring assembly 38 to descend to contact with the inner wall of the collapsing barrel 2 for scraping, and simultaneously drive the collapsing barrel 2 to ascend.
An adjustable scraping ring component 38 is arranged and can drive the adjustable scraping ring component 38 to descend while driving the collapsed barrel 2 to ascend, the adjustable scraping ring component 38 can be a matching of a bottom plate 33, an outer ring 34, an inner ring 35 and a first electric push rod 36, the starting bottom plate 33 is connected with a connecting rope 32, a second electric push rod 37 is arranged on the bottom plate 33 in a left-right mode, the outer ring 34 is arranged on the outer side of the bottom plate 33, the inner ring 35 is connected between the adjacent outer rings 34, a first electric push rod 36 is arranged between the bottom plate 33 and the outer ring 34, when the adjustable scraping ring component 38 descends to be staggered with the collapsed barrel 2, the adjustable scraping ring component is arranged inside the collapsed barrel 2, the first electric push rod 36 is started to stretch according to the shape of the collapsed barrel 2 to drive the outer ring 34 and the inner ring 35 to expand or contract outwards so as to be contacted with the inner wall of the collapsed barrel 2, the interior of the collapsed barrel 2 is scraped in the process that the collapsed barrel 2 and the adjustable scraping ring component 38 move relatively, the collapse barrel 2 can be cleaned in time; in addition, the adjustable scraping ring assembly 38 may be made of an elastic material, and may be deformed according to the shape of the collapsed barrel 2 to be attached to the inner wall of the collapsed barrel 2.
The working principle is as follows: the movable frame 4 is arranged to be slidably connected with the support rail 3, the adjustable movable assembly 24 is connected with the movable frame 4, the adjustable movable assembly 24 can be a first driving device 5, a gear 6, a first rack 7 and a second rack 8, the first driving device 5 is started, the first driving device 5 can be a servo motor or a pneumatic motor and can drive the gear 6 to rotate, the extensible member 10 is started to extend to drive the first rack 7 to be close to the gear 6 and to be continuously meshed with the gear 6, the second rack 8 is separated from the gear 6, the gear 6 drives the first rack 7 to move in the rotating process and further drives the movable frame 4 to move in the support rail 3, when the circulating operation is needed, the extensible member 10 is started to contract, the extensible member 10 drives the first rack 7 to be far away from the gear 6 and pulls the second rack 8 to be close to the gear 6 and to be continuously meshed with the gear 6, the gear 6 drives the second rack 8 to move in the rotating process, thereby driving the movable frame 4 to move reversely in the support rail 3; in addition, the adjustable moving assembly 24 can also be matched with a motor and a screw rod, and the motor is selected to be a forward and reverse rotating motor;
when concrete is filled, the driving device 12 is started, the driving device 12 can be a servo motor or a pneumatic motor, the stirring component 26 can be matched with the stirring rod 13 and the stirring paddle 14, the discharging component 27 can change rotation into linear motion, the discharging component 27 can be matched with the screw rod 15, the sliding sleeve 16, the blocking hopper 17 and the discharging channel 18, and when the blocking hopper 17 is driven to lift, the opening and closing of the discharging port of the material tank 11 can be controlled; in addition, the stirring component 26 can also be a frame type stirring paddle, a spiral stirring paddle and other stirring structures, and the discharging component 27 can also be the matching of a gear and a rack;
when the concrete is hammered, the cam 22 is started to rotate, the cam 22 applies pressure to the supporting plate 20 at the bottom, the supporting plate 20 is driven to move downwards to drive the ramming hammer 23 to move downwards, the ramming hammer 23 can be driven to hammer in a reciprocating manner through continuous rotation of the cam 22, a plurality of cams 22 with different sizes are arranged, and different cams 22 are selected to be started as required during hammering to finish the hammering process; alternatively, reciprocating compaction assembly 29 may be a crank-link fit;
the second electric push rod 37 is started to extend to drive one end of the connecting rope 32 to be pressed downwards under stress, the direction of the force is changed by the fixed pulley 31, and then upward pulling force can be generated on the collapse barrel 2, so that the collapse barrel 2 is pulled upwards; in addition, the transmission lifting assembly 39 can also be a gear and rack combination.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A concrete slump determination apparatus, the determination apparatus comprising:
a measuring box, wherein a collapse barrel is positioned in the measuring box, and the collapse barrel is used for filling concrete; it is characterized by also comprising:
the support rail is arranged in the measuring box, an automatic filling mechanism is arranged on the support rail and corresponds to the collapse barrel, and the automatic filling mechanism moves on the support rail in a reciprocating mode to automatically complete the cyclic process of blanking and compacting;
the lifting mechanism is connected with the collapse barrel and drives the collapse barrel to vertically ascend so as to measure the concrete collapse degree;
wherein, the automatic filling mechanism includes:
the reciprocating moving assembly is slidably mounted on the supporting rail and reciprocates on the supporting rail;
the automatic blanking assembly is arranged on the reciprocating assembly, corresponds to the collapse barrel and is used for carrying out automatic blanking;
and the reciprocating compaction assembly is arranged on the reciprocating movement assembly, corresponds to the collapse barrel and is used for automatically compacting, and the automatic blanking assembly and the reciprocating compaction assembly alternately perform blanking and compaction under the reciprocating movement of the reciprocating movement assembly and are used for finishing the cyclic process of blanking and compaction.
2. The concrete slump determination apparatus according to claim 1, wherein the reciprocating assembly comprises:
the moving frame is slidably mounted on the support rail;
the adjustable moving assembly is connected with the moving frame, and the adjustable moving assembly changes rotation into reciprocating linear movement and is used for driving the moving frame to reciprocate on the supporting rail.
3. The concrete slump determination apparatus according to claim 2, wherein the automatic blanking assembly comprises:
the material box is arranged in the measuring box;
the driving device is arranged on the material box and drives the stirring assembly to rotate and simultaneously drives the discharging assembly to discharge materials;
the stirring assembly is arranged in the material tank, is connected with the driving device, rotates in the material tank and is used for accelerating the blanking speed of concrete;
the discharging assembly is arranged in the material box and connected with the driving device, the discharging assembly changes rotation into linear motion, and the discharging assembly controls the opening and closing of the material box through lifting and is used for driving concrete to automatically discharge;
and the discharge port is arranged on the movable frame and connected with the discharge assembly for driving concrete to be filled into the collapsed barrel.
4. The concrete slump determination apparatus of claim 2, wherein the reciprocating compaction assembly comprises:
the supporting plate is provided with a spring which is connected with the movable frame;
the cams are arranged on the movable frame and are in contact with the supporting plate, and the supporting plate is driven by the cams to reciprocate;
and the rammer is connected to the cam and performs reciprocating hammering on the concrete in the collapsed barrel in the reciprocating lifting process of the cam.
5. The concrete slump measurement device according to claim 1, wherein the lifting mechanism includes a driving elevating assembly mounted on the measurement box, the driving elevating assembly being connected to the slump drum to lift the slump drum by applying a pulling force to the slump drum to separate the slump drum from the concrete in the slump drum.
6. The concrete slump determination apparatus according to claim 5, wherein the driving lift assembly comprises:
the fixed pulley is arranged on the measuring box and used for transmitting push-pull force;
and the connecting rope is arranged on the fixed pulley, one side of the connecting rope is connected with the collapse barrel, the other side of the connecting rope is connected with the second electric push rod, and downward pulling force is applied to one side of the connecting rope through the extension of the second electric push rod to drive the collapse barrel to ascend.
7. The concrete slump measuring device according to claim 6, wherein the transmission lifting assembly further comprises an adjustable scraper ring assembly connected to the other side of the fixed pulley, the second electric push rod is installed between the measuring box and the adjustable scraper ring assembly, and the second electric push rod is extended to drive the adjustable scraper ring assembly to descend to contact with the inner wall of the collapsed barrel for scraping and simultaneously drive the collapsed barrel to ascend.
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| CN202111259126.7A CN114088930A (en) | 2021-10-28 | 2021-10-28 | Concrete slump survey device |
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| CN202111259126.7A CN114088930A (en) | 2021-10-28 | 2021-10-28 | Concrete slump survey device |
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| CN214503247U (en) * | 2021-02-04 | 2021-10-26 | 贵州大西南检验检测集团有限公司 | Concrete slump detection device |
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