CN210142123U

CN210142123U - Concrete slump tester

Info

Publication number: CN210142123U
Application number: CN201920629790.8U
Authority: CN
Inventors: 郑晓锋
Original assignee: SHENGZHOU JINLONG CONCRETE Co Ltd
Current assignee: SHENGZHOU JINLONG CONCRETE Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-03-13
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a concrete slump tester, which comprises a bottom plate and a pushing device, wherein the upper end surface of the bottom plate is provided with a slump cone, the top of the slump cone is fixedly connected with a fender, the surface of the fender is provided with an opening, the pushing device is positioned above the slump cone, the pushing device comprises a motor, the bottom of the motor is fixedly connected with a support plate, the bottom of the support plate is fixedly connected with two connecting columns, the other ends of the connecting columns are fixedly connected with the upper end surface of the fender, the output shaft of the motor is fixedly connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a second connecting rod, the length of the second connecting rod is larger than that of the first connecting rod, the bottom of the second connecting rod is fixedly connected with a fixed rod, both ends of the bottom surface of the fixed rod are fixedly connected with, the efficiency of bulldozing is improved, can accurate measurement concrete slump data through setting up the measuring spindle.

Description

Concrete slump tester

Technical Field

The utility model relates to a concrete properties measures technical field, in particular to concrete slump apparatus.

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, cement temperature and the like which are easy to neglect. 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.

Slump is an index of concrete fluidity measured with a maximum grain size of not more than 40mm and a slump of not less than 10 mm. Measuring the height difference between the cylinder height of the slump cone and the highest point of the concrete pile after slump by using a steel ruler, namely obtaining the slump value; however, when the slump of the concrete pile is more than 220mm, the fluidity of the concrete is expressed by using the expansion value, the maximum diameter and the minimum diameter are respectively measured by using a steel ruler, and the arithmetic mean value of the maximum diameter and the minimum diameter which are different by less than 50mm is the expansion value.

According to chinese patent publication No. CN207215818U, a concrete slump tester is disclosed, comprising a barrel body and a bottom plate, wherein the barrel body is in a horn shape with a small upper part and a large lower part, the upper end surface and the lower end surface of the barrel body are provided with openings, the bottom plate is provided with a locking member and a measuring rod, the lower end surface of the barrel body is detachably connected with the locking member, the measuring rod is perpendicular to the bottom plate and penetrates out from the opening of the upper end surface of the barrel body, the measuring rod is provided with a mark slider capable of sliding along the measuring rod, and the mark slider can pass through the opening of the upper end surface of the barrel.

However, in the above scheme, since the measuring cylinder is irregular cylindrical, the conventional guide rod can cause uneven knocking of the concrete to be detected, so that the detected slump value is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete slump apparatus has the automatic concrete that strikes, conveniently measures the advantage of slump data.

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

a concrete slump tester comprises a bottom plate and a pushing device, wherein a slump cone is arranged on the upper end surface of the bottom plate, a mud guard is fixedly connected to the top of the slump cone, an opening is formed in the surface of the mud guard, the pushing device is positioned above the slump cone, the pushing device comprises a motor, a supporting plate is fixedly connected to the bottom of the motor, a connecting column is fixedly connected to the bottom of the supporting plate, the number of the connecting columns is two, the other end of each connecting column is fixedly connected to the upper end face of the fender, a first connecting rod fixedly connected with the output shaft of the motor, a second connecting rod rotatably connected with the other end of the first connecting rod, the length of the second connecting rod is greater than that of the first connecting rod, the bottom of the second connecting rod is fixedly connected with a fixed rod, and both ends of the bottom surface of the fixed rod are fixedly connected with pressure springs, and the bottom ends of the pressure springs are fixedly connected with knocking plates.

Adopt above-mentioned technical scheme, can improve the stability of motor when moving through setting up backup pad and spliced pole, the starter motor drives connecting rod one and carries out circular motion, connecting rod one drives connecting rod two and carries out circular motion around the motor output shaft, when connecting rod one rotates the motor top, two other end positions of connecting rod promote, when connecting rod one rotates the motor below, two other end positions of connecting rod descend, realize two other ends of connecting rod and reciprocate, thereby it reciprocates to drive the dead lever, the dead lever drives through compression spring and strikes the board, strike board bottom end face contact to slump section of thick bamboo up end face, compression spring stretches out and draws back, prevent to strike the board and appear blocking phenomenon, strike the fender through striking the board from top to bottom and make the dynamics of knocking at every turn the same, improve accurate measured data.

Preferably, the diameter of the opening of the mudguard is smaller than that of the striking plate, and the upper end face of the mudguard is fixedly connected with a bubble level meter.

By adopting the technical scheme, the bubble level meter can be convenient for workers to observe whether the slump cone is stable or not, and can accurately measure data.

Preferably, the middle of the connecting column is fixedly connected with a cross rod, the other end of the cross rod is fixedly connected with a sliding rod, one side, close to the sliding rod, of the connecting column is provided with a sliding groove, and two sides of the sliding rod are slidably connected with the sliding groove.

By adopting the technical scheme, the sliding rod is fixedly connected with the second connecting rod through the transverse rod, the second connecting rod drives the sliding rod to move when moving, and the sliding rod can only vertically move in the sliding groove, so that the connecting column can not be inclined when moving.

Preferably, slump section of thick bamboo one side fixedly connected with measures the post, it is equipped with the scale mark to measure the post surface, it is higher than slump section of thick bamboo height to measure post height, it is fixedly connected with sucking disc to measure the capital end.

By adopting the technical scheme, the measuring column is conveniently fixed at different positions on one side of the slump cone through the sucker, and the scale marks can help an observer to accurately record the measured data.

Preferably, a plurality of limiting grooves are obliquely formed in one side, close to the measuring column, of the upper end of the measuring column, the measuring column is sleeved with the measuring rod, a limiting rod is hinged to one side, close to the measuring column, of the bottom surface of the measuring rod, and the limiting rod is matched with the limiting grooves.

Adopt above-mentioned technical scheme, can fix the measuring stick through inserting the gag lever post in the spacing groove, prevent measuring stick landing downwards, rotate the measuring stick and make the measuring stick be close to slump one side and contradict in the concrete surface that awaits measuring, observe the measuring stick other end and measure the scale mark handing-over prescription on the post and just read measured data.

Preferably, the outer wall of the slump cone is symmetrically and fixedly connected with a handle.

Adopt above-mentioned technical scheme, keep can parallel mention the slump section of thick bamboo through setting up the handle.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Reference numerals: 1. a base plate; 2. a slump cone; 201. a fender; 3. a pushing device; 4. an electric motor; 5. a first connecting rod; 6. a second connecting rod; 7. fixing the rod; 8. a pressure spring; 9. knocking the plate; 10. a support plate; 11. connecting columns; 1101. a chute; 12. a cross bar; 1201. a slide bar; 13. a bubble level; 14. a measuring column; 1401. a suction cup; 15. a limiting groove; 16. a measuring rod; 1601. a limiting rod; 17. a handle.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in figure 1, a concrete slump tester comprises a bottom plate 1 and a pushing device 3, wherein a slump cone 2 is arranged on the upper end surface of the bottom plate 1, a mudguard 201 is fixedly connected to the top of the slump cone 2, an opening is formed in the surface of the mudguard 201, concrete can be poured in through the opening, the pushing device 3 is positioned above the slump cone 2, the pushing device 3 comprises a motor 4, a supporting plate 10 is fixedly connected to the bottom of the motor 4, connecting columns 11 are fixedly connected to the bottom of the supporting plate 10, the number of the connecting columns 11 is two, the other ends of the connecting columns 11 are fixedly connected to the upper end surface of the mudguard 201, the stability of the motor during operation can be improved by arranging the supporting plate 10 and the connecting columns 11, a first connecting rod 5 fixedly connected with an output shaft of the motor 4 drives the first connecting rod 5 to perform circular motion, and a second, the connecting rod I5 drives the connecting rod II 6 to perform circular motion around the output shaft of the motor 4, the length of the connecting rod II 6 is larger than that of the connecting rod I5, when the connecting rod I5 rotates to the position above the motor 4, the other end of the connecting rod II 6 is lifted, when the connecting rod I5 rotates to the position below the motor 4, the other end of the connecting rod II 6 is lowered, the other end of the connecting rod II 6 moves up and down, the bottom of the connecting rod II 6 is fixedly connected with a fixed rod 7, the connecting rod II 6 is driven to move up and down by the fixed rod 7, the fixed rod 7 is driven by the pressure spring 8 to move up and down by the knocking plate 9, when the bottom end face of the knocking plate 9 is contacted with the upper end face of the slump cone 2, the pressure spring 8 stretches out and draws back to prevent the knocking plate 9 from being stuck, and the mudguard 201 is knocked, and improving the accurate measurement data.

The opening diameter of the mudguard 201 is smaller than the diameter of the striking plate, the upper end face of the mudguard 201 is fixedly connected with the bubble level meter 13, and the bubble level meter 13 can be used for facilitating a worker to observe whether the slump cone 2 is stable or not, so that data can be accurately measured.

Connecting column 11 middle part fixedly connected with horizontal pole 12, horizontal pole 12 other end fixedly connected with slide bar 1201, connecting column 11 is close to slide bar 1201 one side and is provided with spout 1101, slide bar 1201 both sides and spout 1101 sliding connection, through horizontal pole 12 fixed connection slide bar 1201 and connecting rod two 6, drive slide bar 1201 when connecting rod two 6 removes, thereby slide bar 1201 can only reciprocate perpendicularly in spout 1101 and can not take place the slope when guaranteeing that connecting column 11 removes.

Slump section of thick bamboo 2 one side fixedly connected with measuring post 14, measuring post 14 surface is equipped with the scale mark, and measuring post 14 height is higher than slump section of thick bamboo 2 height, and measuring 14 bottom fixedly connected with sucking disc 1401 of post makes things convenient for measuring post 14 through sucking disc 1401 to fix in the different positions of slump section of thick bamboo 2 one side, and the accurate record measured data of observer can be helped to the scale mark.

Measure 14 upper ends of post and be close to and measure 14 one side slants and seted up a plurality of spacing grooves 15, measure 14 posts and have cup jointed

measuring stick

16, 16 bottom surfaces of measuring stick are close to that measuring post 14 one side articulates there is the gag lever post 1601,

gag lever post

1601 and 15 cooperations of spacing grooves, can fix measuring stick 16 in inserting gag lever post 1601 into gag lever post 15, prevent measuring stick 16 landing downwards, it makes measuring stick 16 be close to slump one side and contradicts in the concrete surface that awaits measuring to rotate measuring stick 16, observe the measuring stick 16 other end and measure the convenient reading measured data of scale mark handing-over department on the post 14.

The outer wall of the slump cone 2 is symmetrically and fixedly connected with a handle 17, and the slump cone 2 can be lifted in parallel by symmetrically arranging the handle 17.

Working principle; firstly pouring concrete once, starting the motor 4, driving the knocking plate 9 by the motor 4 to knock the mudguard 201 up and down, repeating the knocking for 25 times, closing the motor 4, pouring concrete for the second time by workers, starting the motor 4 to knock for the second time after finishing the pouring, repeating the operation till the third time, lifting the slump cone 2 by the grabbing handle 17, fixing the measuring column 14 to one side close to the concrete, rotating the measuring rod 16 to enable one end of the measuring rod to be located on the upper end face of the concrete, then rotating the limiting rod 1601 to clamp the limiting groove 15, and fixing the measuring rod 16 to facilitate the workers to read data.

Claims

1. The utility model provides a concrete slump tester, includes bottom plate (1) and thrust unit (3), its characterized in that, bottom plate (1) up end is provided with a slump section of thick bamboo (2), a slump section of thick bamboo (2) top fixedly connected with fender (201), the opening has been seted up on fender (201) surface, thrust unit (3) are located a slump section of thick bamboo (2) top, thrust unit (3) include motor (4), motor (4) bottom fixedly connected with backup pad (10), backup pad (10) bottom fixedly connected with spliced pole (11), spliced pole (11) quantity is two, spliced pole (11) other end fixed connection is at fender (201) up end, motor (4) output shaft fixed connection's connecting rod (5), connecting rod (5) other end rotation is connected with connecting rod two (6), the length of the second connecting rod (6) is larger than that of the first connecting rod (5), the bottom of the second connecting rod (6) is fixedly connected with a fixing rod (7), two ends of the bottom surface of the fixing rod (7) are fixedly connected with pressure springs (8), and the bottom ends of the pressure springs (8) are fixedly connected with a knocking plate (9).

2. The concrete slump tester as claimed in claim 1, wherein the opening diameter of the mudguard (201) is smaller than the diameter of the striking plate, and the bubble level meter (13) is fixedly connected to the upper end surface of the mudguard (201).

3. The concrete slump tester according to claim 1, wherein a cross bar (12) is fixedly connected to the middle of the connecting column (11), a sliding rod (1201) is fixedly connected to the other end of the cross bar (12), a sliding groove (1101) is formed in one side, close to the sliding rod (1201), of the connecting column (11), and two sides of the sliding rod (1201) are slidably connected with the sliding groove (1101).

4. The concrete slump tester according to claim 1, wherein a measuring column (14) is fixedly connected to one side of the slump cone (2), scale marks are arranged on the surface of the measuring column (14), the height of the measuring column (14) is higher than that of the slump cone (2), and a sucking disc (1401) is fixedly connected to the bottom end of the measuring column (14).

5. The concrete slump tester according to claim 4, wherein a plurality of limiting grooves (15) are obliquely formed in one side, close to the measuring column (14), of the upper end of the measuring column (14), the measuring column (14) is sleeved with the measuring rod (16), one side, close to the measuring column (14), of the bottom surface of the measuring rod (16) is hinged with a limiting rod (1601), and the limiting rod (1601) is matched with the limiting grooves (15).

6. The concrete slump tester according to claim 1, wherein the outer wall of the slump cone (2) is symmetrically and fixedly connected with a handle (17).