CN218546752U - Concrete slump testing device - Google Patents

Abstract

The utility model relates to a concrete slump testing arrangement, including the bottom plate, set up the tamping unit on the bottom plate, place the slump section of thick bamboo on the bottom plate, the tamping unit includes support column, crossbeam, tamping motor, carousel, first pivotal axis, connecting rod, slide bar, tamper, sliding sleeve, and sliding connection about slide bar and the sliding sleeve has the measuring stick on the support column, and the sign has the scale on the support column, and the scale is located and is used for instructing measuring stick height-fall on the slip path of measuring stick. The utility model discloses utilize carousel, connecting rod, slide bar and sliding sleeve to constitute slider-crank mechanism, simple structure is effectual to convert the rotary motion of motor spindle into the elevating movement of slide bar, and then the motion of drive tamper, and the frequency is high to lead to efficiently, and the tamper is connected with the slide bar through the bulb and then makes the tamper in the tamping process because the change route that receives the damping is not unique, guarantees that the concrete in the slump section of thick bamboo is tamped; the measuring rod is arranged on the supporting column, so that the number of parts is reduced.

Description

Concrete slump testing device

Technical Field

The utility model relates to a concrete detection equipment, in particular to concrete slump testing arrangement.

Background

The slump of concrete 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, the dosage of additives, and cement temperature and the like which are easily neglected. Slump refers to the workability of concrete, and particularly to the normal operation of construction, wherein the workability includes the water retention, the fluidity and the cohesiveness of the concrete. The slump of concrete is determined according to the conditions of the structural section, the content of reinforcing steel bars, the transportation distance, the pouring method, the transportation mode, the vibrating capability, the climate and the like of a building, and the slump is comprehensively considered when selecting the mixing proportion and is preferably smaller.

The existing concrete slump tester needs to use a tamping bar to tamp concrete after concrete is poured into the tester. The drive mode of tamper adopts the manual work or carries out the tamping to the concrete through vertical flexible tamper, and manual drive tamper needs very big consumption manpower, and the dynamics of tamping is less, adopts the telescoping device to lead to the path of tamper single, and partial concrete can't be through the tamper tamping.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model aims at providing a thoughtlessly congeal slump testing arrangement.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a concrete slump testing arrangement, includes the bottom plate, set up in tamping unit on the bottom plate, place in a slump section of thick bamboo on the bottom plate, tamping unit include the support column of vertical setting, set up in the crossbeam at support column top, set up in tamping motor on the crossbeam, set up in the epaxial carousel of tamping motor, set up in first pivotal axis on the carousel, with first pivotal axis rotate the connecting rod of connecting, with connecting rod pivotal connection's slide bar, with the tamper that the slide bar bottom is connected through the bulb, link firmly in on the support column and with slide bar sliding fit's sliding sleeve, the tamper stretch into place in a slump section of thick bamboo on the bottom plate, the rotation axis level of carousel, the slide bar with sliding connection about the sliding sleeve, sliding connection has the extension to on the support column the measuring stick of slump section of thick bamboo top, the sign has the scale on the support column, the scale is located be used for instructing measuring stick elevating height on the sliding path of measuring stick.

In the design, the crank-slider mechanism is formed by the rotary disc, the connecting rod, the sliding rod and the sliding sleeve, the structure is simple, the rotary motion of the main shaft of the motor is effectively converted into the lifting motion of the sliding rod, the motion of the tamper is further driven, the frequency is high, the efficiency is high, the tamper is connected with the sliding rod through the ball head, and the change path of the tamper under damping is not unique in the tamping process, so that the concrete in the slump cone is guaranteed to be tamped; the measuring rod is arranged on the supporting column, so that the number of parts is reduced.

As a further improvement of this design, be equipped with vertical reference column on the bottom plate, the reference column winds slump section of thick bamboo axis ring array distributes, be equipped with the cantilever on the slump section of thick bamboo, the cantilever end be equipped with reference column sliding connection's position sleeve. The cantilever and the locating sleeve are convenient for limiting the slump cone when filling concrete, and prevent the slump cone from deflecting to influence the concrete slump when lifting the slump cone.

As a further improvement of the design, the positioning column is located outside the edge of the concrete after the concrete slump, and the influence of the positioning column on the concrete slump is avoided.

As a further improvement of the design, the bottom plate is provided with a support sleeve, the support column is rotatably connected with the support sleeve, the rotation axis of the support column is vertical, and the support sleeve is provided with a bolt penetrating through the support column. The support column and the support sleeve are rotatably connected, so that the tamper can be quickly moved out of the slump cylinder after concrete is tamped.

As a further improvement of the design, fins are distributed on the periphery of the tamper, and are unevenly distributed on the periphery of the tamper, so that uneven damping is generated on the tamper, the probability of deflection of a tamper path is increased, and tamping is more uniform.

As a further improvement of the design, the cross section of the fin is in a V shape with an upward opening, a certain stirring effect is achieved on concrete, unbalanced damping is provided during the rising process of the tamper, and the tamper path is changed.

The utility model has the advantages that: the utility model discloses utilize carousel, connecting rod, slide bar and sliding sleeve to constitute slider-crank mechanism, simple structure is effectual to convert the rotary motion of motor spindle into the elevating movement of slide bar, and then drives the motion of tamper, and the frequency is high to lead to efficiently, and the tamper is connected with the slide bar through the bulb and then makes the tamper in the tamping process because the change route that receives the damping is not unique, guarantees that the concrete in the slump cone is tamped; the measuring rod is arranged on the supporting column, so that the number of parts is reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the tamper of the present invention.

In the figure, 1, a bottom plate, 2, a slump cone, 3, a positioning column, 4, a cantilever, 5, a supporting column, 6, a positioning sleeve, 7, a measuring rod, 8, a tamping rod, 9, a sliding rod, 10, a cross beam, 11, a tamping motor, 12, a rotating disc, 13, a supporting sleeve, 14, a first pivot shaft, 15, a connecting rod, 16, a sliding sleeve, 17, a bolt and 18 fins are arranged.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.

The embodiment is as follows: the utility model provides a concrete slump testing arrangement, include bottom plate 1, set up in tamping unit on the bottom plate 1, place in slump section of thick bamboo 2 on the bottom plate 1, tamping unit include vertical setting support column 5, set up in crossbeam 10 at support column 5 top, set up in tamping motor 11 on the crossbeam 10, set up in epaxial carousel 12 of tamping motor 11, set up in first pivotal axis 14 on the carousel 12, with first pivotal axis 14 rotate the connecting rod 15 of connecting, with connecting rod 15 pivotal connection's slide bar 9, with slide bar 9 bottom passes through the tamper 8 that the bulb is connected, link firmly in on the support column 5 and with slide bar 9 sliding fit's sliding sleeve 16, tamper 8 stretch into place in slump section of thick bamboo 2 on the bottom plate 1, the axis of rotation level of carousel 12, slide bar 9 with sliding connection about the sliding sleeve 16, sliding connection extends to on the support column 5 measuring stick 7 of slump section of thick bamboo 2 top, the sign has the scale on the support column 5, the scale is located be used for instructing the elevating height on measuring stick 7's the slide path.

In the design, the rotary table 12, the connecting rod 15, the sliding rod 9 and the sliding sleeve 16 form a crank-slider mechanism, the structure is simple, the rotary motion of a main shaft of the motor is effectively converted into the lifting motion of the sliding rod 9, the motion of the tamper 8 is further driven, the frequency is high, the efficiency is high, the tamper 8 is connected with the sliding rod 9 through the ball head, the change path of the damp is not unique in the tamping process of the tamper 8, and the concrete in the slump cone 2 is guaranteed to be tamped; set up measuring stick 7 on support column 5, be convenient for reduce spare part quantity.

Be equipped with vertical reference column 3 on the bottom plate 1, reference column 3 winds 2 axis circular array of slump section of thick bamboo distribute, be equipped with cantilever 4 on the slump section of thick bamboo 2, cantilever 4 end be equipped with 3 sliding connection's of reference column locating sleeve 6. Cantilever 4 and position sleeve 6 are convenient for spacing slump section of thick bamboo 2 when filling the concrete, prevent slump section of thick bamboo 2 skew influence concrete slump when lifting slump section of thick bamboo 2 simultaneously.

Reference column 3 is located outside the concrete edge after the slump, avoids reference column 3 to the influence of concrete slump.

The bottom plate 1 is provided with a support sleeve 13, the support column 5 is rotatably connected with the support sleeve 13, the rotation axis of the support column is vertical, and the support sleeve 13 is provided with a bolt 17 penetrating through the support column 5. Support column 5 and support cover 13 rotate to be connected and be convenient for shift out slump section of thick bamboo 2 with tamper 8 fast behind the tamping concrete.

8 periphery distributions of tamper have fin 18, fin 18 is in 8 periphery distributions of tamper are inhomogeneous, are convenient for produce inhomogeneous damping for tamper 8, increase the probability that 8 routes of tamper deflect, and the tamping is more even.

The cross section of the fin 18 is a V-shaped structure with an upward opening, so that a certain stirring effect is achieved on concrete, unbalanced damping is provided in the ascending process of the tamper 8, and the path of the tamper 8 is changed.

During operation, the slump cone 2 is placed at a preset position of the top plate, and the positioning column 3 is matched with the positioning sleeve 6. Fill the concrete to slump section of thick bamboo 2 according to standard test requirement, start tamping motor 11, reciprocating motion about the tamp 8 is under the drive of slider-crank mechanism, to the concrete tamping, because the tamp 8 passes through the bulb with slide bar 9 and is connected, the degree of freedom is big, because the uneven distribution and the maldistribution of packing are at the rack in the concrete again, the damping that leads to tamp 8 to receive is uneven, in-process route that the tamp 8 goes up and down takes place to change constantly, the tamping is more even. After the concrete is filled, the slump cone 2 is lifted upwards, then the measuring rod 7 is moved to the highest point of the collapsed concrete, the scale on the scale line is read out, and the test is completed.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (6)

1. The utility model provides a concrete slump testing arrangement, includes the bottom plate, set up in tamping unit on the bottom plate, place in a slump section of thick bamboo on the bottom plate, its characterized in that, tamping unit include the support column of vertical setting, set up in the crossbeam at support column top, set up in tamping motor on the crossbeam, set up in the epaxial carousel of main of tamping motor, set up in first pivotal axis on the carousel, with first pivotal axis rotates the connecting rod of connecting, with connecting rod pivotal connection's slide bar, with the tamper that the slide bar bottom is connected through the bulb, link firmly in on the support column and with slide bar sliding fit's sliding sleeve, the tamper stretch into place in a slump section of thick bamboo on the bottom plate, the rotation axis level of carousel, the slide bar with sliding connection about the sliding sleeve, sliding connection extends to on the support column the pole of a slump section of thick bamboo top, the sign has the scale on the support column, the scale is located be used for the measuring stick height that goes up and down on the slide path of measuring stick.

2. The concrete slump testing device as claimed in claim 1, wherein the bottom plate is provided with vertical positioning columns, the positioning columns are distributed around the axis of the slump cone in an annular array manner, the slump cone is provided with a cantilever, and the tail end of the cantilever is provided with a positioning sleeve which is in sliding connection with the positioning columns.

3. The concrete slump testing device as claimed in claim 2, wherein the positioning column is located outside the edge of the concrete after slump.

4. The concrete slump testing device as claimed in claim 1, wherein a support sleeve is arranged on the bottom plate, the support column is rotatably connected with the support sleeve, the rotation axis of the support column is vertical, and a bolt penetrating through the support column is arranged on the support sleeve.

5. The concrete slump testing device as claimed in any one of claims 1 to 4, wherein fins are distributed on the periphery of the tamping rod, and the fins are unevenly distributed on the periphery of the tamping rod.

6. The concrete slump test device according to claim 5, wherein the fin has a V-shaped cross section with an upward opening.

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