阅读说明：本技术 一种便携式市政公路工程用混凝土坍落度试验装置 (Portable municipal administration is concrete slump test device for highway engineering ) 是由 高成林 徐金霞 于 2019-12-02 设计创作，主要内容包括：本发明属于市政公路技术领域,尤其为一种便携式市政公路工程用混凝土坍落度试验装置,包括底板,所述底板顶部设有两个半式圆锥筒,所述底板顶部固定连接有安装座,所述安装座开设有避让槽,所述避让槽内侧通过转轴转动连接有第一固定板和第二固定板,所述第一固定板位于所述第二固定板顶部；通过设置的两个半式圆锥筒能够转动,当两者闭合时,可以在其内灌入混泥土,当完成之后,直接可以转动两个半式圆锥筒,使成型的混泥土露出来,对其检测,这种方式的设置结构简单,旋转的方式使半式圆锥筒不会出现倾斜的现象,使坍落度筒露出成型的混泥土更加稳定,不易或不会使坍落度筒影响到混泥土的形状。(The invention belongs to the technical field of municipal roads, and particularly relates to a portable concrete slump test device for municipal road engineering, which comprises a bottom plate, wherein two semi-type conical cylinders are arranged at the top of the bottom plate; can rotate through two half formula circular cone section of thick bamboos that set up, when both were closed, can pour into in it and mix earth, after accomplishing, directly can rotate two half formula circular cone section of thick bamboos, make fashioned muddy earth expose, to its detection, the setting simple structure of this kind of mode, the phenomenon of slope can not appear in rotatory mode messenger half formula circular cone section of thick bamboo, it is more stable to make slump cone expose fashioned muddy earth, difficult or can not make slump cone influence the shape of muddy earth.)

1. The utility model provides a portable concrete slump test device for municipal highway engineering, includes bottom plate (1), its characterized in that, bottom plate (1) top is equipped with two half formula circular cone section of thick bamboos (2), bottom plate (1) top fixedly connected with mount pad (3), mount pad (3) have been seted up and have been dodged groove (301), it is connected with first fixed plate (31) and second fixed plate (32) through pivot (33) rotation to dodge groove (301) inboard, first fixed plate (31) are located second fixed plate (32) top, just first fixed plate (31), second fixed plate (32) respectively with two half formula circular cone section of thick bamboo (2) are fixed mutually, bottom plate (1) top fixedly connected with position circle (12), two equal fixedly connected with two connecting plates (22) bottom half formula circular cone section of thick bamboo (2) outer wall, two be equipped with gyro wheel (221) between connecting plate (22), gyro wheel (221) rotate two connecting plate (22) are inboard, just gyro wheel (221) lateral surface with the laminating of position circle (12) medial surface, two half formula circular cone section of thick bamboo (2) are fixed through fixing bolt (23) spiro union, bottom plate (1) top fixedly connected with measures post (4), it is equipped with locating plate (42) to measure post (4) outer wall, locating plate (42) with measure post (4) sliding connection.

2. The portable concrete slump test device for the municipal road engineering according to claim 1, wherein handles (11) are fixedly connected to both sides of the top of the bottom plate (1).

3. A portable concrete slump test device for municipal road engineering according to claim 1, wherein the two half cone cylinders (2) are closed to form a closed cone chamber therein.

4. The portable concrete slump test device for the municipal road engineering according to claim 1, wherein the mounting seat (3) is F-shaped.

5. The portable concrete slump test device for the municipal road engineering according to claim 1, wherein the mounting seat (3) is located at the rear side of the half cone (2).

6. The portable concrete slump test device for the municipal road engineering according to claim 1, wherein mounting lugs (21) are fixedly connected to the outer side walls of the two semi-conical cylinders (2), the fixing bolt (23) penetrates through the two mounting lugs (21), and nuts are in threaded connection with the outer walls.

7. The portable concrete slump test device for the municipal road engineering according to claim 1, wherein the outer wall of the measuring column (4) has graduation marks (41).

Technical Field

The invention relates to the technical field of municipal roads, in particular to a portable concrete slump test device for municipal road engineering.

Background

Slump mainly refers to the plasticizing performance and the pumpability of concrete, the slump mainly has grading change, water content and weighing deviation of a weighing apparatus when the slump of the concrete is influenced, the dosage of an additive and the temperature of cement are easily ignored, a testing mode generally adopts a cone-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm, the concrete is poured into the cone for three times, after each filling, a tamping hammer is used for uniformly impacting 25 parts from outside to inside along the bucket wall, after tamping, the cone is leveled, then the bucket 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 by the bucket height (300mm), so that the slump is called slump, and if the difference is 10 mm.

Chinese patent publication (CN207502531U) discloses a slump testing device for building concrete, which is characterized in that a rack is meshed with a gear plate, a rack fixing frame fixes the rack direction, a crank drives a rotating shaft to rotate, and the rotating shaft drives the gear plate to rotate, so that the rack drives a slump cone to move upwards, and the phenomenon that the measurement is inaccurate due to the influence on the shape of concrete when the slump cone is lifted is avoided, but the mode realizes the lifting of the slump cone through the matching of various parts, the precision of the parts is reduced under the long-time use, so that the parts need to be periodically checked, if the lifting verticality is not accurate, the phenomenon that the slump cone is inclined when lifted can be directly influenced on the shape of the concrete, therefore, technical personnel in the field provide a portable concrete slump testing device for municipal road engineering, to solve the problems set forth in the background art described above.

Disclosure of Invention

The invention aims to provide a portable concrete slump test device for municipal road engineering, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a portable concrete slump test device for municipal highway engineering comprises a base plate, wherein two half-type conical cylinders are arranged at the top of the base plate, a mounting seat is fixedly connected to the top of the base plate, a dodging groove is formed in the mounting seat, the inner side of the dodging groove is rotatably connected with a first fixing plate and a second fixing plate through a rotating shaft, the first fixing plate is positioned at the top of the second fixing plate, the first fixing plate and the second fixing plate are respectively fixed with the two half-type conical cylinders, a positioning ring is fixedly connected to the top of the base plate, two connecting plates are fixedly connected to the outer wall bottom of the two half-type conical cylinders, a roller is arranged between the two connecting plates, the roller rotates inside the two connecting plates, the outer side face of the roller is attached to the inner side face of the positioning ring, the two half-type conical cylinders are fixed through fixing bolts in, the measuring column is fixedly connected to the top of the bottom plate, a positioning plate is arranged on the outer wall of the measuring column, and the positioning plate is connected with the measuring column in a sliding mode.

As a still further scheme of the invention: and handles are fixedly connected to two sides of the top of the bottom plate.

As a still further scheme of the invention: two half cone barrels are closed, so that a closed cone cavity is formed inside.

As a still further scheme of the invention: the mounting seat is F-shaped.

As a still further scheme of the invention: the mounting seat is positioned on the rear side of the half-type conical cylinder.

As a still further scheme of the invention: two equal fixedly connected with installation lug of half formula circular cone lateral wall, fixing bolt runs through two installation lug, and outer wall threaded connection has the nut.

As a still further scheme of the invention: the outer wall of the measuring column is provided with scale marks.

Compared with the prior art, the invention has the beneficial effects that:

by dividing the slump cone into two halves, the first fixing plate and the second fixing plate are respectively connected with the semi-cone and can rotate under the action of the rotating shaft, thereby enabling the two half cone barrels to rotate, when the two half cone barrels are closed, a closed cone inner cavity can be formed, the concrete can be poured into the semi-conical cylinder, after the semi-conical cylinder is finished, the two semi-conical cylinders can be directly rotated to expose the formed concrete, the mode has simple structure, the semi-cone cylinder can not incline in the rotating mode, the concrete formed by exposing the slump cone is more stable, the slump cone is not easy or can not influence the shape of the concrete, and when the semi-circular cone cylinder rotates, the roller can be attached to the positioning ring to roll, so that the semi-circular cone cylinder rotates flexibly, the auxiliary positioning effect is achieved, and the effect of the concrete slump test is improved.

Drawings

FIG. 1 is a schematic structural diagram of a portable concrete slump testing device for municipal road engineering;

FIG. 2 is a left side view of a portable municipal highway engineering concrete slump test apparatus;

FIG. 3 is a schematic structural view of a roller in the portable concrete slump testing device for the municipal road engineering;

FIG. 4 is a schematic diagram of the concrete forming state in the portable concrete slump testing device for the municipal road engineering.

In the figure: 1. a base plate; 11. a handle; 12. positioning rings; 2. a half cone; 21. mounting a lifting lug; 22. a connecting plate; 221. a roller; 23. fixing the bolt; 3. a mounting seat; 301. an avoidance groove; 31. a first fixing plate; 32. a second fixing plate; 33. a rotating shaft; 4. a measuring column; 41. scale lines; 42. and (7) positioning the plate.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the invention, a portable concrete slump testing device for municipal road engineering comprises a base plate 1, two half-type conical cylinders 2 are arranged on the top of the base plate 1, a mounting seat 3 is fixedly connected to the top of the base plate 1, an avoiding groove 301 is formed in the mounting seat 3, a first fixing plate 31 and a second fixing plate 32 are rotatably connected to the inner side of the avoiding groove 301 through a rotating shaft 33, the first fixing plate 31 is arranged on the top of the second fixing plate 32, the first fixing plate 31 and the second fixing plate 32 are respectively fixed to the two half-type conical cylinders 2, a positioning ring 12 is fixedly connected to the top of the base plate 1, two connecting plates 22 are fixedly connected to the bottoms of the outer walls of the two half-type conical cylinders 2, a roller 221 is arranged between the two connecting plates 22, the roller 221 is rotatably arranged on the inner sides of the two connecting plates 22, the outer side of the roller 221 is attached to the, the top of the bottom plate 1 is fixedly connected with a measuring column 4, the outer wall of the measuring column 4 is provided with a positioning plate 42, and the positioning plate 42 is connected with the measuring column 4 in a sliding manner.

In FIGS. 1-2: the handles 11 are fixedly connected to two sides of the top of the bottom plate 1, the device can be conveniently carried through the handles 11, the device is convenient to use, when concrete needs to be poured into the device, the two half-type conical cylinders 2 are rotated and mutually attached, the closed ends of the two half-type conical cylinders 2 are provided with sealing rings, the sealing performance of conical cavities formed inside the two half-type conical cylinders 2 when the two half-type conical cylinders 2 are closed is guaranteed, the outer side walls of the two half-type conical cylinders 2 are fixedly connected with the mounting lugs 21, the fixing bolts 23 penetrate through the two mounting lugs 21, nuts are in threaded connection with the outer walls, the two half-type conical cylinders 2 can be locked through the fixing bolts 23 on the mounting lugs 21, the two half-type conical cylinders 2 are closed, a closed conical cavity is formed inside the conical cavities, the concrete can be poured into the two half-type conical cylinders 2, and the fixing bolts 23 are screwed after, make two half-type circular cone section of thick bamboo 2 rotatory, two half-type circular cone section of thick bamboo 2 respectively with first fixed plate 31, second fixed plate 32 is connected, first fixed plate 31 and second fixed plate 32 can dodge the groove 301 internal rotation on mount pad 3 under the effect of pivot 33, mount pad 3 is the F form, it is stable to make the installation, and be convenient for first fixed plate 31 and second fixed plate 32 dodge the groove 301 internal rotation, mount pad 3 is located half-type circular cone section of thick bamboo 2's rear side, it is convenient for people from front end operation half-type circular cone section of thick bamboo 2 to make two half-type circular cone section of thick bamboo 2 can rotate, thereby expose muddy earth, the setting structure of this kind of mode is simple, the phenomenon of slope can not appear in rotatory mode messenger half-type circular cone section of thick bamboo 2, it is more stable to make slump section of thick bamboo expose fashioned muddy earth, difficult or can not make half-type circular cone section of thick bamboo 2 influence the.

In fig. 3: when the semi-circular cone 2 is rotated, the rollers 221 positioned on the inner sides of the two connecting plates 22 can be attached to the positioning ring 12 to roll, so that the flexibility of rotation of the semi-circular cone 2 is improved, the auxiliary positioning effect is achieved, and the effect of a concrete slump test is improved.

In fig. 4: measuring 4 outer walls of post has scale mark 41, when needs examine fashioned muddy earth, because locating plate 42 can slide along measuring post 4, and can rotate on measuring post 4, can make locating plate 42 move the top of mixing earth to the laminating is on the upper surface of mixing earth, according to the scale mark 41 on measuring post 4, reads out the numerical value corresponding with locating plate 42, thereby can judge the slump of mixing earth.

The working principle of the invention is as follows: when concrete needs to be poured into the device, the two half cone drums 2 are rotated and attached to each other, at this time, the two half cone drums 2 can be locked through the fixing bolts 23 on the mounting lugs 21, the two half cone drums 2 are closed, so that a closed conical cavity is formed inside, at this time, the concrete can be poured into the two half cone drums 2, after the concrete is formed, the fixing bolts 23 are screwed, the two half cone drums 2 can be rotated without the limitation of the fixing bolts 23, the two half cone drums 2 are respectively connected with the first fixing plate 31 and the second fixing plate 32, the first fixing plate 31 and the second fixing plate 32 can rotate in the avoidance groove 301 on the mounting seat 3 under the action of the rotating shaft 33, the rotating shaft 33 is used as the center of a circle, and the two half cone drums 2 can be separated, so that the concrete is exposed, when half formula circular cone section of thick bamboo 2 is rotatory, the gyro wheel 221 that is located two connecting plates 22 inboards can be laminated and roll on position circle 12, improve half formula circular cone section of thick bamboo 2 pivoted flexibility, and play the effect of auxiliary positioning, improve the experimental effect of muddy earth slump, examine time measuring to the fashioned muddy earth as needs, can make locating plate 42 remove the top of muddy earth, and the laminating is on the upper surface of muddy earth, according to scale mark 41 on the measuring column 4, read out and locating plate 42 corresponding numerical value, thereby can judge the slump of muddy earth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.