CN211505534U - Concrete slump detection device - Google Patents

Abstract

The utility model relates to a concrete slump detection device relates to the technical field of concrete detection equipment, including two barrels, the barrel below is provided with the test bench, the barrel can be dismantled and connect on the test bench, the inside cavity that has seted up of test bench, be fixed with vibrating motor in the cavity, be provided with the tamping mechanism on the test bench, the tamping mechanism includes the mounting panel, be fixed in motor one on the mounting panel and the shifting block of fixed connection on motor one output shaft, sliding connection has two parallel sliders on the mounting panel, one side that two sliders are relative is the cockscomb structure, the meshing has the gear between two sliders, be fixed with the connecting plate on one of them slider, connecting plate and shifting block sliding connection, one side of two slider sawtooth is fixed with the support arm, the support arm lower extreme is provided with the stamp hammer, the stamp hammer is located the barrel and is opened directly over; and the mounting plate is provided with a lifting mechanism for lifting the tamping mechanism. The utility model has the advantages of automatic tamping concrete improves work efficiency.

Description

Concrete slump detection device

Technical Field

The utility model belongs to the technical field of the technique of concrete detection equipment and specifically relates to a slump detection device is related to.

Background

At present, the concrete is used as a building material which is most widely applied, the safety and the service life of a building are seriously influenced by the performance of the concrete, and therefore, the performance of the concrete needs to be detected. The detection of the concrete slump is one of the indexes detected in the concrete slump, the concrete slump refers to the workability of the concrete, and the workability refers to whether the concrete is easy to construct and operate and the performance of uniform and compact, and is a very comprehensive performance including fluidity, cohesiveness and water-retaining property. Usually, slump tests are carried out to measure the fluidity of the mixture, and visual experience is used for evaluating the cohesiveness and the water-retaining property, wherein the slump is measured by a quantitative index and is used for judging whether the construction can be normally carried out. The influence on the workability mainly comprises the water consumption, the water-cement ratio, the sand rate, the cement variety, the aggregate condition, the time, the temperature, the additive and the like.

The existing concrete slump test method comprises the following steps: a trumpet-shaped slump cone with an upper opening of 100mm in diameter, a lower opening of 200mm in diameter and a height of 300mm is used for pouring concrete, tamping is carried out, then the cone is pulled up, the concrete generates a slump phenomenon due to self weight, and the height of the highest point of the concrete after the slump is subtracted from the height (300mm) of the cone, so that the slump is called. If the difference is 10mm, the slump is 10.

The invention discloses a slump cone, which relates to the technical field of concrete detection equipment and comprises a cone body and a tamping rod, wherein the cone body comprises a hand-held part and a bottom plate, two guide posts are arranged on the bottom plate in parallel, the guide posts are perpendicular to the bottom plate, and sliding grooves are formed in the opposite end surfaces of the two guide posts and are arranged along the length direction of the guide posts; the barrel still is provided with two deflectors along circumference symmetry, the deflector corresponds to slide and connects in the groove that slides. Through setting up the guide post and the groove that slides, guarantee that the barrel slides along vertical direction to make the barrel remove the in-process and can not touch with the concrete piece, reduced the influence of touching to slump test, thereby make to detect more accuracy.

The above prior art solutions have the following drawbacks: after this barrel is packed into with the concrete, need the manual work to tamp, when concrete sample group quantity is more, especially when carrying out the concrete slump in the laboratory and detecting, often have the quantity of multiunit parallel test group or the concrete sample group that once detects all more, and manual one goes to tamp the concrete, will be comparatively troublesome, and work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a concrete slump detection device, it has automatic tamping concrete, improves work efficiency's advantage.

The above object of the present invention can be achieved by the following technical solutions:

a concrete slump detection device comprises two cylinders, wherein a test bed is arranged below the cylinders, the cylinders are detachably connected to the test bed, a cavity is formed in the test bed, a vibration motor is fixed in the cavity, a tamping mechanism is arranged on the test bed and comprises a mounting plate, a motor I fixed on the mounting plate and a shifting block fixedly connected to an output shaft of the motor I, two parallel sliding blocks are connected onto the mounting plate in a sliding mode, one sides, opposite to the two sliding blocks, are in a sawtooth shape, a gear is meshed between the two sliding blocks, a connecting plate is fixed on one sliding block and is in sliding connection with the shifting block, a supporting arm is fixed on one side of the sawtooth of the two sliding blocks, a tamping hammer is arranged at the lower end of the supporting arm, and the tamping hammer is located right above an opening; and the mounting plate is provided with a lifting mechanism for lifting the tamping mechanism.

Through adopting above-mentioned technical scheme, with barrel fixed mounting on the test bench, start vibrating motor, add the concrete toward the barrel, when treating that the concrete in the barrel is close to the upper shed, starter motor one, motor one drives the shifting block and rotates, and the shifting block drives a slider motion that is fixed with the shifting block, and the slider that is fixed with the shifting block drives gear revolve, and the gear drives another slider motion, and the slider drives the support arm motion, and the support arm takes the stamp hammer motion, and then carries out the tamping to the concrete in the barrel. Vibrating motor and the cooperation of tamping mechanism can carry out the tamping to the concrete in the barrel better, have replaced the manual work to carry out the tamping concrete, and the device can tamp the concrete in two barrels simultaneously, has improved work efficiency, has saved the manpower.

The present invention may be further configured in a preferred embodiment as: the one end that the mounting panel was kept away from to the support arm is fixed with smashes the arm, and the rammer sets up in the below of smashing the arm, is provided with the spring between rammer and the arm of smashing, and spring one end is fixed in smash on the arm, and the other end is fixed in on the rammer.

Through adopting above-mentioned technical scheme, at the tamping in-process, when the rammer moved to pounding the arm, the spring played the cushioning effect, reduced the rammer with smash arm direct impact, extension rammer and the life who smashes the arm.

The present invention may be further configured in a preferred embodiment as: the ramming hammer comprises a ramming rod which is connected in the ramming arm in a sliding mode and a pressing plate which is horizontally fixed to the lower end of the ramming rod, and the surface area of the pressing plate is matched with the opening area of the upper opening of the cylinder body.

Through adopting above-mentioned technical scheme, increased the area of contact of rammer with the interior concrete of barrel, the clamp plate can advance to carry out the tamping and tamp the level to the concrete, makes the tamping and tamp the effect of level better.

The present invention may be further configured in a preferred embodiment as: the lifting mechanism comprises a second motor fixed in the cavity, a lead screw fixedly connected with an output shaft of the second motor and a guide rod arranged in parallel with the lead screw, the guide rod is vertically fixed on the test bed, the lead screw is rotatably connected with the test bed, the guide rod penetrates through the mounting plate, the mounting plate can slide up and down along the guide rod, and the lead screw is in threaded connection with the mounting plate.

Through adopting above-mentioned technical scheme, starter motor two, motor two drive the lead screw and rotate, and the lead screw rotates for the mounting panel, and the rotation of guide bar restriction mounting panel makes the mounting panel rebound, and the mounting panel drives tamping mechanism rebound to upwards extract the barrel, make tamping mechanism can not interfere and extract the barrel.

The present invention may be further configured in a preferred embodiment as: guide posts are arranged on two opposite sides of the cylinder body and are vertically fixed on the test bed, the lower ends of the guide posts are threaded sections, and fixing pieces are connected to the threaded sections in a threaded manner; the mounting plates are fixed on two opposite sides of the cylinder body, mounting holes matched with the fixing pieces are formed in the mounting plates, and the cylinder body can slide on the guide columns.

By adopting the technical scheme, when the mounting hole in the mounting plate is aligned with the fixing piece, the mounting plate can be sleeved on the guide post, the cylinder body is moved downwards to the test bed, and then the cylinder body is fixed on the test bed by the fixing piece so as to carry out compaction and tamping on concrete in the cylinder body; after the tamping is finished, when the barrel is upwards pulled out, the barrel can be vertically upwards pulled out along the guide post, the vertical pulling-out of the barrel is ensured, the test error caused by left-right shaking in the process of pulling out the barrel is reduced, and the test accuracy is improved.

The present invention may be further configured in a preferred embodiment as: the fixing piece comprises a circular ring in threaded connection with the threaded section of the guide post and a convex block fixed on the circular ring.

Through adopting above-mentioned technical scheme, aim at the mounting hole and place the mounting, can place the barrel along guide post lapse, place on the test bench, then rotatory mounting makes mounting and mounting hole stagger and places, can be fixed convenient operation is simple with the barrel.

The present invention may be further configured in a preferred embodiment as: and the guide post is provided with a scale value.

Through adopting above-mentioned technical scheme, directly can follow the guide post and carry out the reading when being convenient for measure, reduced and additionally used the scale again and carried out the trouble of measuring.

The present invention may be further configured in a preferred embodiment as: the handle is fixed on the barrel body.

Through adopting above-mentioned technical scheme, through the handle, conveniently pull up the barrel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the vibrating motor and the tamping mechanism work in a matched mode to tamp the concrete in the cylinders, so that the concrete in the cylinders can be better tamped, the concrete in the two cylinders can be simultaneously tamped, manual tamping of the concrete is replaced, and the working efficiency is improved;

2. the cylinder body can be vertically lifted along the guide column, so that the test error caused by left-right shaking in the process of pulling up the cylinder body is reduced, and the accuracy of the test result is improved;

3. the reading can be directly carried out from the guide post, so that the reading is convenient.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic view of a partial cut-away showing a cavity;

FIG. 3 is a partial exploded view of the mounting hole and fastener;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is a partial cross-sectional view showing the attachment of the ram to the tamper arm.

Reference numerals: 1. the device comprises a cylinder body, 11, an installation block, 111, an installation hole, 2, a test bed, 21, a cavity, 22, a guide column, 221, a scale value, 222, a fixing part, 3, a vibration motor, 4, a tamping mechanism, 41, an installation plate, 411, a first sliding chute, 42, a first motor, 43, a sliding block, 44, a gear, 45, a connecting plate, 451, a second sliding chute, 46, a shifting block, 47, a supporting arm, 48, a tamping arm, 481, a spring, 49, a tamping hammer, 5, a lifting mechanism, 51, a second motor, 52, a screw rod, 53 and a guide rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for utility model discloses a concrete slump detection device, including test bench 2, symmetry set up two barrels 1 on test bench 2 and install vibrating motor 3 in test bench 2, barrel 1 top is provided with tamping mechanism 4, is connected with elevating system 5 on the tamping mechanism 4. Fixing the cylinder body 1 on the test bed 2, starting the vibration motor 3, then adding concrete into the cylinder body 1, adding the concrete while vibrating the concrete in the cylinder body 1 by the vibration motor 3, tamping the concrete in the cylinder body 1 by matching with the tamping mechanism 4, tamping the concrete in the cylinder body 1, lifting the tamping mechanism 4 by using the lifting mechanism 5 after the concrete in the cylinder body 1 is tamped, and vertically pulling up the cylinder body 1 to measure the slump of the concrete.

Referring to fig. 1 and 2, a cavity 21 is formed in the test bed 2, the cavity 21 is located below the cylinder 1, a vibration motor 3 is fixed in the cavity 21, and the vibration motor 3 can be a YZS-3-2 vibration motor of kaite motors ltd. Four guide posts 22 are vertically fixed on the table top of the test bed 2, every two guide posts 22 are in a group, the arrangement of each group is the same, the two guide posts 22 in each group are symmetrically arranged and located on the same straight line, the lower end parts of the guide posts 22 are threaded sections, fixing parts 222 are in threaded connection with the threaded sections, and each fixing part 222 comprises a circular ring in threaded connection with the threaded sections and a rectangular convex block fixedly connected to the circular ring. The scale value 221 is fixed on the guide post 22, so that the guide post 22 can be read directly during measurement, and the trouble of additionally using a scale to measure is reduced.

Referring to fig. 1 and 3, the barrel 1 may be a horn-shaped slump barrel with an upper opening of 100mm in diameter, a lower opening of 200mm in diameter and a height of 300mm, handles are symmetrically fixed on the barrel 1, a funnel for feeding is placed in the upper opening of the barrel 1, mounting blocks 11 are fixed on two symmetrical sides of the barrel 1, and mounting holes 111 matched with the fixing pieces 222 are formed in the mounting blocks 11.

The mounting hole 111 of the mounting block 11 on the cylinder 1 is opposite to the fixing piece 222, the mounting block 11 is sleeved on the guide post 22 from the top end of the guide post 22, the cylinder 1 is placed on the test bed 2 from top to bottom, then the fixing piece 222 is rotated to make the positions of the fixing piece 222 and the mounting hole 111 staggered, and the cylinder 1 is fixed on the test bed 2.

Referring to fig. 2, the lifting mechanism 5 includes a second motor 51 fixed in the cavity 21, a lead screw 52 fixedly connected to an output shaft of the second motor 51, and a guide rod 53 vertically fixed on the test bed 2, the lead screw 52 is rotatably connected to the test bed 2, the guide rod 53 and the lead screw 52 are parallel and located on the same straight line, and the guide rod 53 and the lead screw 52 are located between the two cylinders 1.

Referring to fig. 2 and 4, the tamping mechanism 4 includes a mounting plate 41 in threaded connection with the screw 52, two symmetrical first sliding grooves 411 formed in the mounting plate 41, and a first motor 42 fixed to the mounting plate 41, wherein the guide rod 53 is inserted into the mounting plate 41, and the mounting plate 41 can slide up and down along the guide rod 53. The sliding blocks 43 are connected in the sliding grooves 411 in a sliding mode, one side, opposite to the two sliding blocks 43, of each sliding block is in a sawtooth shape, a gear 44 is meshed between the two sliding blocks 43, and the gear 44 is connected with the mounting plate 41 in a rotating mode. A connecting plate 45 is fixed on one of the sliding blocks 43, a second sliding groove 451 is formed in the connecting plate 45, a shifting block 46 is connected in the second sliding groove 451 in a sliding mode, the shifting block 46 is fixedly connected with an output shaft of the first motor 42, the shifting block 46 moves circularly, the length of the second sliding groove 451 is larger than the diameter of the rotating circumference of the shifting block 46, and the first motor 42 can drive the shifting block 46 to rotate smoothly.

And starting the second motor 51, driving the shifting block 46 to rotate by the first motor 42, sliding the shifting block 46 in the second sliding groove 451, driving the connecting plate 45 to move up and down, driving one sliding block 43 of the fixed connecting plate 45 to move up and down by the connecting plate 45, driving the gear 44 to rotate by the sliding block 43 fixed with the connecting plate 45, and driving the other sliding block 43 to move up and down by the gear 44.

And starting the second motor 51, driving the screw rod 52 to rotate by the second motor 51, limiting the mounting plate 41 to rotate by the guide rod 53, and driving the tamping mechanism 4 to move upwards by the mounting plate 41.

Referring to fig. 2 and 5, a supporting arm 47 is horizontally fixed on one side of each of the two sliding blocks 43 away from the saw-toothed shape, a tamping arm 48 is fixed on one end of the supporting arm 47 away from the sliding block 43, the tamping arm 48 is a cylinder with a hollow interior and an open lower end, a tamping hammer 49 is placed in the tamping arm 48, the tamping hammer 49 comprises a cylindrical tamping rod and a pressing plate horizontally fixed at the lower end of the tamping rod, one end of the tamping rod is placed in the tamping arm 48, the tamping rod can slide up and down in the tamping arm 48 and cannot fall out of the tamping arm 48, the pressing plate is horizontally fixed on one end of the tamping rod extending out of the tamping arm 48, a spring 481 is arranged between the pressing plate and the tamping arm 48, the spring 481 is sleeved on the tamping rod, one end of the spring, in the tamping process, when the tamping hammer 49 moves towards the tamping arm, the spring 481 plays a role in buffering, so that the direct collision between the tamping hammer 49 and the tamping arm 48 is reduced, and the service lives of the tamping hammer 49 and the tamping arm 48 are prolonged. The pressing plate is located directly over the upper opening of the barrel body 1, the surface area of the pressing plate is matched with the opening area of the upper opening of the barrel body 1, and the pressing plate can stretch into the position below the upper opening of the barrel body 1 and is used for compacting and flattening concrete in the barrel body 1.

The working principle of the concrete slump detection device is as follows:

sliding the cylinder body 1 onto the test bed 2 along the guide rod 53, rotating the fixing piece 222 to enable the fixing piece 222 to be placed in a staggered mode with the mounting hole 111, so that the cylinder body 1 is fixed onto the test bed 2, starting the vibration motor 3, adding concrete into the cylinder body 1, adding the concrete into the cylinder body 1 while vibrating the concrete by the vibration motor 3, taking down the funnel when the concrete in the cylinder body 1 is close to an upper opening, starting the motor I42 to enable the sliding block 43 to move up and down, driving the supporting arm 47 to move up and down by the sliding block 43, driving the tamping hammer 49 to move up and down by the supporting arm 47, tamping the concrete in the cylinder body 1, matching the tamping mechanism 4 with the vibration motor 3 for use, better tamping the concrete in the cylinder body 1, and then adding the concrete into the cylinder body 1 until the concrete is flush with the upper opening of the cylinder body 1; when one of the sliding blocks 43 moves downwards, the other sliding block 43 moves upwards, so that the intermittent tamping of the concrete in the two cylinder bodies 1 is realized; after tamping is finished, the vibration motor 3 and the first motor 42 are closed, the second motor 51 is started, the second motor 51 drives the screw rod 52 to rotate, the mounting plate 41 drives the tamping mechanism 4 to move upwards along the guide rod 53, the barrel body 1 is conveniently pulled upwards, the fixing piece 222 is rotated, the fixing piece 222 is aligned to the mounting hole 111 to be placed, the barrel body 1 can be taken out, the barrel body 1 is lifted upwards along the guide column 22, the barrel body 1 can be lifted along the vertical direction, then concrete slump is measured, and numerical values are read from the guide column 22.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. Concrete slump detection device, including two barrel (1), its characterized in that: the testing table (2) is arranged below the cylinder body (1), the cylinder body (1) is detachably connected onto the testing table (2), a cavity (21) is formed in the testing table (2), a vibration motor (3) is fixed in the cavity (21), a tamping mechanism (4) is arranged on the testing table (2), the tamping mechanism (4) comprises a mounting plate (41), a motor I (42) fixed on the mounting plate (41) and a shifting block (46) fixedly connected onto an output shaft of the motor I (42), two parallel sliding blocks (43) are connected onto the mounting plate (41) in a sliding manner, one opposite sides of the two sliding blocks (43) are in a sawtooth shape, a gear (44) is meshed between the two sliding blocks (43), a connecting plate (45) is fixed on one sliding block (43), the connecting plate (45) is connected with the shifting block (46) in a sliding manner, a supporting arm (47) is fixed on one sawtooth side of the two sliding blocks (, the lower end of the supporting arm (47) is provided with a rammer (49), and the rammer (49) is positioned right above the upper opening of the cylinder body (1); the mounting plate (41) is provided with a lifting mechanism (5) for lifting the tamping mechanism (4).

2. The concrete slump detection apparatus according to claim 1, wherein: one end, far away from the mounting plate (41), of the supporting arm (47) is fixed with a pounding arm (48), a pounding hammer (49) is arranged below the pounding arm (48), a spring (481) is arranged between the pounding hammer (49) and the pounding arm (48), one end of the spring (481) is fixed to the pounding arm (48), and the other end of the spring (481) is fixed to the pounding hammer (49).

3. The concrete slump detection apparatus according to claim 2, wherein: the rammer (49) comprises a ramming rod which is connected in the ramming arm (48) in a sliding manner and a pressing plate which is horizontally fixed at the lower end of the ramming rod, and the surface area of the pressing plate is matched with the opening area of the upper opening of the cylinder body (1).

4. The concrete slump detection apparatus according to claim 1, wherein: elevating system (5) including being fixed in motor two (51) in cavity (21), lead screw (52) and guide bar (53) that parallel lead screw (52) set up with motor two (51) output shaft fixed connection, guide bar (53) are vertical to be fixed in on test bench (2), lead screw (52) rotate with test bench (2) to be connected, guide bar (53) wear to locate on mounting panel (41), guide bar (53) can be followed in mounting panel (41) and slided from top to bottom, lead screw (52) and mounting panel (41) threaded connection.

5. The concrete slump detection apparatus according to claim 1, wherein: guide posts (22) are arranged on two opposite sides of the barrel (1), the guide posts (22) are vertically fixed on the test bed (2), the lower ends of the guide posts (22) are threaded sections, and fixing pieces (222) are connected to the threaded sections in a threaded manner; the installation blocks (11) are fixed on two opposite sides of the cylinder body (1), the installation holes (111) matched with the fixing pieces (222) are formed in the installation blocks (11), and the cylinder body (1) can slide on the guide columns (22).

6. The concrete slump detection apparatus according to claim 5, wherein: the fixing piece (222) comprises a circular ring and a convex block, wherein the circular ring is in threaded connection with the threaded section of the guide post (22), and the convex block is fixed on the circular ring.

7. The concrete slump detection apparatus according to claim 6, wherein: and the guide post (22) is provided with a scale value (221).

8. The concrete slump detection apparatus according to claim 5, wherein: a handle is fixed on the barrel body (1).

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