CN214669077U - Quick tester for slump of concrete in constructional engineering - Google Patents

Abstract

The utility model relates to a building engineering concrete slump rapid measurement appearance, it includes that the level sets up the base on the horizontal plane, can place a slump section of thick bamboo on the base, base upper portion one side is provided with the support post, sliding connection has the lift stand in the support post, the horizontal rigid coupling in lift stand top has fixed subassembly, it is right to rotate to be connected with on the fixed subassembly concrete sample in the slump section of thick bamboo carries out the stirring subassembly that stirs, the stirring subassembly is including setting up agitator motor, cooperation on fixed subassembly upper portion are connected the (mixing) shaft and the rigid coupling of agitator motor output are in the stirring vane of (mixing) shaft bottom, the (mixing) shaft reaches stirring vane with the slump section of thick bamboo corresponds from top to bottom, just be provided with the scale on the support post and rotate and be connected with the slip scale. This application has the control concrete more easily and smashes the depth of inserting for the stirring speed improves the effect of concrete slump survey efficiency.

Description

Quick tester for slump of concrete in constructional engineering

Technical Field

The application relates to the field of slump measurement of constructional engineering concrete, in particular to a slump rapid tester of constructional engineering concrete.

Background

With the continuous development of the building industry, the importance degree of the quality of the concrete to the construction of the building engineering is continuously improved, the quality of the concrete is often related to the water retention property, the fluidity and the cohesiveness of the concrete, namely, the slump of the concrete, and in order to ensure the normal operation of the construction of the building engineering, the slump of the concrete needs to be detected to prevent the quality problem of the concrete.

The concrete slump tester is widely used for detecting the concrete slump at present and mainly comprises a slump cylinder, a bottom plate, a funnel, a staff gauge and a tamping bar, wherein two sides of the outer surface of the slump cylinder are provided with a pair of handles arranged on the same horizontal plane, two sides of the bottom are provided with a pair of pedals, when the concrete slump is measured, the slump cylinder and the bottom plate are wetted, no clear water exists on the inner wall of the slump cylinder and the bottom plate, the bottom plate is placed on a solid and non-water-absorbing horizontal plane, the slump cylinder is placed in the center of the bottom plate, the pedals on two sides are stepped to fix the slump cylinder, concrete samples are uniformly loaded into the cylinder in three layers, the cylinder is flattened at the top after each layer is inserted and tamped for 25 times by the tamping bar, the side and the bottom plate are cleaned, then the height difference between the height of the measuring cylinder and the concrete sample after the slump is lifted up, namely the slump value of the concrete mixture.

Aiming at the related technologies, the inventor finds that the tamping depth and the tamping frequency of the concrete sample in the slump cone are difficult to control when an operator tamps and inserts the concrete sample, and the tamping efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of inserting of smashing when concrete slump tests, this application provides a building engineering concrete slump rapid survey appearance.

The application provides a quick determinator of architectural engineering concrete slump adopts following technical scheme:

the utility model provides a building engineering concrete slump short-term test appearance, includes that the level sets up base on the horizontal plane, can place the slump section of thick bamboo on the base, base upper portion one side is provided with the support post, sliding connection has the lift stand in the support post, the horizontal rigid coupling in lift stand top has fixed subassembly, it is right to rotate to be connected with on the fixed subassembly concrete sample in the slump section of thick bamboo carries out the stirring subassembly that stirs, the stirring subassembly is including setting up agitator motor, the cooperation on fixed subassembly upper portion are connected the (mixing) shaft and the rigid coupling of agitator motor output are in the stirring vane of (mixing) shaft bottom, the (mixing) shaft reaches stirring vane with slump section of thick bamboo corresponds from top to bottom, just be provided with the scale on the support post and rotate and be connected with the slip scale.

Through adopting above-mentioned technical scheme, adjust the insertion depth that the lifting column height can adjust (mixing) shaft and stirring vane, stir slump section of thick bamboo interior concrete sample through agitator motor drive (mixing) shaft and stirring vane, the stirring depth is controlled more easily, and stirring speed is higher, stirs more evenly.

Optionally, the fixing assembly includes a fixing support plate, a hemispherical slot is formed in the fixing support plate, a hemispherical fixing table adapted to the hemispherical slot is arranged on the upper portion of the stirring shaft, the stirring assembly is mounted on the fixing support plate through the hemispherical fixing table, and the stirring shaft passes through the hemispherical slot.

Through adopting above-mentioned technical scheme, the stirring subassembly can be through the comparatively convenient installation of hemispherical fixed station on fixed extension board, can control the stirring subassembly and lie in the same axis with slump section of thick bamboo center for the (mixing) shaft can insert slump section of thick bamboo middle part more accurately, makes the stirring more even, and the concrete sample slump value that obtains is more accurate.

Optionally, the hemispherical groove hole comprises an upper part and a lower part, the upper part of the hemispherical groove hole is matched with the hemispherical fixing table, and the aperture of the lower part of the hemispherical groove hole is larger than the diameter of the stirring shaft.

Through adopting above-mentioned technical scheme, operating personnel can control agitator motor and drive (mixing) shaft and stirring vane and carry out the horizontal rotation in the slump section of thick bamboo, and the stirring area is bigger, stirs more evenly.

Optionally, the stirring blade includes three sets of blades arranged from top to bottom, the lengths of the three sets of blades gradually decrease from top to bottom, the lengths of the three sets of blades are all smaller than the inner diameter of the opening of the slump cone, and the length of the blade at the uppermost end is smaller than half of the inner diameter of the opening of the slump cone.

Through adopting above-mentioned technical scheme, stirring vane top-down length reduces gradually, can be more laborsaving insert the concrete sample in the slump section of thick bamboo with (mixing) shaft and stirring vane.

Optionally, the support post includes the cylinder and the rigid coupling is in the cylinder top, be used for right the lift stand carries out the retaining member of fixing a position, seted up in the cylinder with the cylindrical cavity of lift stand looks adaptation just the opening of the cylindrical cavity of intercommunication is seted up at the cylinder top, the lift stand passes through the opening slidable mounting at cylindrical cavity top in the cylinder.

Through adopting above-mentioned technical scheme, the lift stand can slide from top to bottom more conveniently.

Optionally, scales are arranged on the lifting upright post.

Through adopting above-mentioned technical scheme, the scale that retaining member can cooperate on the lift stand adjusts the slip of lift stand more accurately.

Optionally, the sliding scale is connected including the cooperation setting element and the welding on the support post are in scale on the setting element, the setting element is established including the cover the holding ring on the support post and with holding ring screwed connection be used for with the location hand wheel of sliding scale location.

Through adopting above-mentioned technical scheme, screw or loosen the location hand wheel, can fix a position the slip scale on the support post, can make when measuring the scale keep the level, measure more accurately, and the slip scale can rotate around the support post, can rotate the slip scale downwards after the concrete determination and put the base on, convenient next survey.

Optionally, the base includes a bottom plate for placing the slump cone and two side plates welded to two sides of the upper portion of the bottom plate.

Through adopting above-mentioned technical scheme, can effectively avoid the concrete sample directly to pollute ground, and clearance concrete sample that can be more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the insertion depth of the stirring shaft and the stirring blades can be adjusted by adjusting the height of the lifting upright column, the stirring motor can drive the stirring shaft and the stirring blades to stir the concrete sample in the slump cone, the stirring depth is easy to control, the stirring speed is higher, and the stirring is more uniform;

2. the upper part of the stirring shaft is provided with a hemispherical fixing table matched with a hemisphere, the stirring shaft passes through the hemispherical groove hole, the hemispherical groove hole comprises an upper part and a lower part, the upper part of the hemispherical groove hole is matched with the hemispherical fixing table, the aperture of the lower part of the hemispherical groove hole is larger than the diameter of the stirring shaft, an operator can control the stirring motor to drive the stirring shaft and the stirring blades to horizontally rotate in the slump cone, the stirring area is larger, and the stirring is more uniform;

3. the stirring blades comprise three groups of blades which are arranged from top to bottom, the lengths of the three groups of blades are gradually reduced from top to bottom, the lengths of the three groups of blades are smaller than the inner diameter of the opening of the slump cone, the length of the blade positioned on the uppermost side is smaller than half of the inner diameter of the opening of the slump cone, the stirring shaft and the stirring blades can be inserted into a concrete sample in the slump cone in a more labor-saving manner, and the horizontal rotation in the slump cone is realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded view of a portion of the structure for illustrating the connection between the sliding scale and the support post;

FIG. 3 is an exploded view of a portion of the structure for illustrating the connection between the support column, the lifting column and the stirring assembly;

FIG. 4 is a front perspective cross-sectional view of an embodiment of the present application;

fig. 5 is an exploded schematic view of the sliding scale.

Description of reference numerals: 1. a base; 11. a base plate; 12. a side plate;

2. a slump cone; 21. a barrel; 211. a handle; 212. a pedal; 22. a feed ring;

3. supporting the upright post; 31. a cylinder; 32. a locking member; 321. locking a ring; 322. locking a hand wheel;

4. lifting the upright post; 41. a snap ring load post; 411. blocking strips;

5. a fixing assembly; 51. a snap ring; 52. a connecting member; 53. fixing a support plate; 531. a hemispherical slot;

6. a stirring assembly; 61. a stirring motor; 62. a stirring shaft; 621. a hemispherical fixing table; 63. a stirring blade;

7. a sliding scale; 71. a positioning member; 711. a positioning ring; 712. positioning a hand wheel; 72. and (4) a scale.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

In order to improve the efficiency of inserting of smashing when concrete slump tests, this application embodiment discloses a building engineering concrete slump rapid measurement appearance.

Referring to fig. 1, a building engineering concrete slump rapid tester includes that the level is placed base 1 on the horizontal plane, a slump section of thick bamboo 2 on base 1 can be placed, vertical rigid coupling in the support post 3 of base 1 upper portion one side, sliding connection is in the lift stand 4 of support post 3, horizontal rigid coupling in the fixed subassembly 5 at 4 tops of lift stand, and rotate the stirring subassembly 6 of connecting on fixed subassembly 5, the stirring position of stirring subassembly 6 corresponds from top to bottom with a slump section of thick bamboo 2, be provided with the scale on the support post 3 and cooperate and have slide scale 7.

Referring to fig. 1, the base 1 includes a rectangular bottom plate 11 and two side plates 12 welded to two sides of the upper surface of the bottom plate 11, the upper surface of the bottom plate 11 is provided with a circular positioning mark having the same size as the bottom of the slump cone 2, and the slump cone 2 can be conveniently and accurately placed on the upper surface of the bottom plate 11 through the circular positioning mark.

Referring to fig. 1 and 2, the slump cone 2 includes a circular truncated cone-shaped cylinder 21 and a feeding ring 22 which is funnel-shaped and is installed on the cylinder 21, the diameter of the bottom of the cylinder 21 is larger than the diameter of the top of the cylinder and the height of the cylinder is 300mm +/-2 mm, the diameter of the bottom of the feeding ring 22 is matched with the diameter of the top of the cylinder 21 to be installed on the top of the cylinder 21 in a matching manner, so that a concrete sample is conveniently poured into the cylinder 21, a pair of handles 211 which are oppositely arranged are arranged on the side surface of the cylinder 21, a pair of pedals 212 are arranged at the bottom of the cylinder 21 corresponding to the handles 211, and an operator can step on the pedals 212 to fix the slump cone 2 on the bottom plate 11.

Referring to fig. 1 and 2, the supporting upright post 3 is disposed on one side of the upper surface of the bottom plate 11 away from the circular positioning mark, the supporting upright post 3 includes a post body 31 and a locking member 32 fixedly connected to the top of the post body 31, a cylindrical cavity adapted to the lifting upright post 4 is formed in the post body 31, an opening communicated with the cylindrical cavity is formed in the top of the post body 31, the lifting upright post 4 is slidably mounted in the post body 31 through the opening in the top of the cylindrical cavity and can slide up and down relative to the supporting upright post 3, scales are disposed on the lifting upright post 4, the locking member 32 on the top of the post body 31 can cooperate with the scales on the lifting upright post 4 to fix the lifting upright post 4 on the supporting upright post 3, the locking member 32 includes a locking ring 321 fixedly connected to the top of the post body 31 and a locking hand wheel 322 cooperatively connected with the locking ring 321, a threaded through hole is formed in the outer side of the locking ring 321, the locking hand wheel 322 is spirally connected to the locking ring 321 through cooperation with the threaded through hole, the lifting upright post 4 can be fixed on the supporting upright post 3 by clockwise rotating the locking hand wheel 322.

Referring to fig. 3, the cross-sectional area of the lifting column 4 is matched with the top opening area of the column 31, and the bottom area of the lifting column 4 is slightly larger than the top opening area of the column 31, so that the lifting column 4 is prevented from being separated from the cylindrical cavity of the support column 3 when the lifting column 4 slides upwards; the locking hand wheel 322 is composed of a hand wheel body and a locking screw fixedly connected to the middle part of the hand wheel body, and when the locking hand wheel 322 is rotated clockwise, the locking screw abuts against the lifting upright post 4 through a threaded through hole on the locking ring 321 and tightly clamps the lifting upright post 4 on the supporting upright post 3.

Referring to fig. 2 and 3, a fixing assembly 5 is fixedly connected to the top of the lifting column 4, the fixing assembly 5 includes a clamping ring 51 fixedly connected to the top of the lifting column 4, a connecting member 52 welded to a side wall of the clamping ring 51, and a fixing support plate 53 welded to one side of the connecting member 52 far away from the lifting column 4, a clamping ring bearing column 41 with an area slightly smaller than that of the column body 31 is trapezoidally arranged on the top of the lifting column 4, a barrier strip 411 is arranged on an outer wall of the clamping ring bearing column 41, and the clamping ring 51 is sleeved on the lifting column 4 in a clamping manner by matching with the clamping ring bearing column 41; the connecting piece 52 is welded on the side wall of the clamping ring 51, the fixed support plate 53 is fixedly connected on the side wall of the connecting piece 52 far away from the clamping ring 51, and the stirring assembly 6 is rotatably connected at one end of the fixed support plate 53 far away from the connecting piece 52.

Referring to fig. 2 and 4, a hemispherical groove hole 531 is formed in the upper surface of one end of the fixed support plate 53, which is far away from the connecting piece 52, the center of the hemispherical groove hole 531 and the center of the circular positioning mark on the bottom plate 11 are located on the same axis, and the stirring assembly 6 comprises a stirring motor 61, a stirring shaft 62 connected to the output end of the stirring motor 61 in a matching manner, and a stirring blade 63 welded at the bottom of the stirring shaft 62; a hemispherical fixing table 621 is arranged at one end, close to the stirring motor 61, of the stirring shaft 62, the hemispherical fixing table 621 can be matched with the hemispherical groove hole 531 to install the stirring assembly 6 on the fixing support plate 53, the hemispherical fixing table 621 can be taken out of the hemispherical groove hole 531, when the bottom of the lifting upright post 4 is abutted to the bottom of the cavity of the support upright post 3 and the stirring assembly 6 is installed on the fixing support plate 53, the bottom of the stirring shaft 62 is abutted to the bottom plate 11, the stirring shaft 62 and the stirring blades 63 installed at the bottom of the stirring shaft 62 can be lifted up by lifting up the stirring motor 61 connected to the top of the stirring shaft 62 in a matched manner, and when the distance between the bottom of the stirring shaft 62 and the bottom plate 11 is higher than the height of the slump cone 2, the slump cone 2 can be installed at the circular positioning mark position on the upper surface of the bottom plate 11, and the material guiding ring 22 is fixed at the top of the slump cone 2; the stirring blades 63 comprise three groups of blades which are arranged up and down, the lengths of the three groups of blades are gradually reduced from top to bottom, the lengths of the three groups of blades are all smaller than the inner diameter of the opening of the slump cone 2, the length of the blade at the top is smaller than half of the inner diameter of the opening of the slump cone 2, after the slump cone 2 and the material guiding ring 22 are installed, the stirring shaft 62 and the stirring blades 63 installed at the bottom of the stirring shaft 62 can be downwards inserted into the slump cone 2 from the material guiding ring 22 by downwards moving and matching the stirring motor 61 connected to the top of the stirring shaft 62.

Referring to fig. 4, the hemispherical groove hole 531 on the fixed support plate 53 includes an upper portion and a lower portion, the upper half through hole of the hemispherical groove hole 531 is hemispherical and shaped, the size of the hemispherical fixing table 621 is matched with that of the hemispherical groove hole, the lower half through hole of the hemispherical groove hole 531 is circular and the diameter of the lower half through hole is greater than that of the stirring shaft 62, so that the stirring assembly 6 can control the stirring shaft 62 to rotate in the horizontal plane, the hemispherical fixing table 621 is installed in the hemispherical groove hole 531, the stirring motor 61 is started and rotates clockwise, the stirring shaft 62 can be driven to rotate clockwise in the slump cone 2 and drive the blades to stir the concrete sample in the slump cone 2 in all directions.

Referring to fig. 2 and 5, the sliding scale 7 includes a positioning part 71 fittingly connected to the support column 3 and a scale 72 welded to the positioning part 71, the positioning part 71 includes a positioning ring 711 fitted over the column 31 for welding the scale 72 and a positioning hand wheel 712 capable of fixing the positioning ring 711 and the scale 72 to the column 31, an inner diameter of the positioning ring 711 is slightly larger than a diameter of the support column 3, so that the positioning ring 711 can rotate around the column 31, and by screwing or loosening the positioning hand wheel 712, positioning of the sliding scale 7 on the support column 3 can be achieved, so that scale reading on the support column 3 can be read; the positioning handwheel 712 is released, the positioning ring 711 and the scale 72 are rotated and moved downward around the column 31, so that the scale 72 is stored on the bottom plate 11.

The implementation principle of the rapid measuring instrument for the slump of the constructional engineering concrete is as follows: when measuring the concrete slump, firstly lifting the stirring assembly 6 to enable the bottom of the stirring shaft 62 to be far away from the bottom plate 11, when the distance between the bottom of the stirring shaft 62 and the bottom plate 11 is higher than the height of the slump cone 2, mounting the slump cone 2 on the bottom plate 11 and uniformly pouring concrete samples into the slump cone 2 in three layers, wherein the height of each layer is about one third of the cone height until the height of the concrete sample is consistent with the height of the cone 21, downwards moving the stirring assembly 6, when the hemispherical fixing table 621 on the stirring shaft 62 and the hemispherical groove hole 531 of the fixing support plate 53 are just mounted, adjusting the lifting upright column 4 to enable the bottom of the stirring shaft 62 to be inserted to the bottom of the concrete sample, stirring the concrete sample at the bottom, rotating the stirring motor 61 to drive the stirring shaft 62 and the stirring blades 63 to stir the concrete sample in the cone 21 for a certain times from the edge to the center along a spiral line, upwards moving the lifting upright column 4 for about one third of the cone height, the concrete sample at the middle layer is stirred, after the concrete at the middle layer is stirred, the lifting upright post 4 is moved upwards by about one third of the height of the cylinder again, and the concrete sample at the uppermost layer is also stirred. After the top layer is stirred, the stirring assembly 6 is lifted upwards away from the slump cone 2, the concrete sample remained on the stirring shaft 62 and the stirring blades 63 is removed, the concrete sample in the cone 21 is leveled, then the slump cone 2 is lifted vertically and quickly, the height of the stirred concrete sample is measured by using the ruler 72, the reading of the bottom of the positioning ring 711 on the supporting upright 3 is read, and the reading is subtracted from the height of the cone 21 to obtain the slump of the concrete sample.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a building engineering concrete slump short-term test appearance, includes that the level sets up base (1) on the horizontal plane, can place slump section of thick bamboo (2) on base (1), its characterized in that: a supporting upright post (3) is arranged on one side of the upper part of the base, a lifting upright post (4) is connected in the supporting upright post (3) in a sliding way, a fixing component (5) is transversely and fixedly connected to the top of the lifting upright post (4), a stirring component (6) for stirring the concrete sample in the slump cone (2) is rotatably connected to the fixing component (5), the stirring component (6) comprises a stirring motor (61) arranged at the upper part of the fixed component (5), a stirring shaft (62) connected with the output end of the stirring motor (61) in a matching way and a stirring blade (63) fixedly connected at the bottom of the stirring shaft (62), the stirring shaft (62) and the stirring blades (63) correspond to the slump cone (2) up and down, and the support upright post (3) is provided with scales and is rotationally connected with a sliding scale (7).

2. The rapid slump tester for constructional engineering concrete according to claim 1, wherein: the fixing assembly (5) comprises a fixing support plate (53), a hemispherical groove hole (531) is formed in the fixing support plate (53), a hemispherical fixing table (621) matched with the hemispherical groove hole (531) is arranged at the upper part of the stirring shaft (62), the stirring assembly (6) can be installed on the fixing support plate (53) through the hemispherical fixing table (621), and the stirring shaft (62) passes through the hemispherical groove hole (531).

3. The rapid slump tester for constructional engineering concrete according to claim 2, wherein: the hemispherical groove hole (531) comprises an upper part and a lower part, the upper half part of the hemispherical groove hole (531) is matched with the hemispherical fixing table (621), and the aperture of the lower half part of the hemispherical groove hole (531) is larger than the diameter of the stirring shaft (62).

4. The rapid slump tester for constructional engineering concrete according to claim 1, wherein: the stirring blades (63) comprise three groups of blades which are arranged up and down, the lengths of the three groups of blades are gradually reduced from top to bottom, the lengths of the three groups of blades are all smaller than the inner diameter of the opening of the slump cone (2), and the length of the blade at the top is smaller than half of the inner diameter of the opening of the slump cone (2).

5. The rapid slump tester for constructional engineering concrete according to claim 1, wherein: support column (3) are in including cylinder (31) and rigid coupling cylinder (31) top, be used for right lifting column (4) carry out retaining member (32) of fixing a position, seted up in cylinder (31) with the cylindrical cavity of lifting column (4) looks adaptation just the opening of the cylindrical cavity of intercommunication is seted up at cylinder (31) top, lifting column (4) are in through the opening slidable mounting at cylindrical cavity top in cylinder (31).

6. The rapid slump tester for constructional engineering concrete according to claim 5, wherein: scales are arranged on the lifting upright post (4).

7. The rapid slump tester for constructional engineering concrete according to claim 1, wherein: sliding scale (7) are connected including the cooperation setting element (71) and the welding on support post (3) scale (72) on setting element (71), setting element (71) establish including the cover holding ring (711) on support post (3) and with holding ring (711) threaded connection be used for with positioning hand wheel (712) that sliding scale (7) were fixed a position.

8. The rapid slump tester for constructional engineering concrete according to claim 1, wherein: the base (1) comprises a bottom plate (11) for placing the slump cone (2) and two side plates (12) welded to two sides of the upper portion of the bottom plate (11).

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