CN215493612U

CN215493612U - Concrete slump testing device for heat preservation ground pouring

Info

Publication number: CN215493612U
Application number: CN202121524749.8U
Authority: CN
Inventors: 朱占锋; 唐鹏程; 谈岳斌; 赵敏
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-11
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a concrete slump testing device for heat-preservation ground pouring, and relates to the technical field of concrete detection. The technical key points are as follows: including a bottom plate and a slump section of thick bamboo, a slump section of thick bamboo is placed in the top of bottom plate, the downside of bottom plate is equipped with horizontal adjustment mechanism, horizontal adjustment mechanism includes the triangle base, the apex angle department of triangle base upside all articulates there is first bracing piece, the upper end of first bracing piece is rotated and is connected with first connecting piece, the upper end of first connecting piece articulates there is the second connecting piece, the upper end of second connecting piece is rotated and is connected with the second bracing piece, the upper end of second bracing piece is articulated with the downside of bottom plate, the lateral wall of first bracing piece articulates there is electric telescopic handle one end, the electric telescopic handle other end is articulated with the upside of triangle base, the bottom of bottom plate is connected with electronic level measuring instrument, the upside of triangle base is connected with the controller. The utility model can automatically adjust the bottom plate to a horizontal state, and the measured value of the slump constant is accurate.

Description

Concrete slump testing device for heat preservation ground pouring

Technical Field

The utility model relates to the technical field of concrete detection, in particular to a concrete slump testing device for heat-preservation ground pouring

Background

The slump of concrete mainly refers to the plasticizing performance and the 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 an additive and the like. The slump of the concrete particularly refers to the workability of the concrete, and the normal operation of construction is guaranteed, wherein the slump includes the water retention, the fluidity and the cohesiveness of the concrete. So that slump of concrete is necessary in the test during construction.

Slump test method: pouring concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting 25 times along the wall of the bucket from outside to inside by using a tamping hammer after each filling, tamping and leveling. Then the barrel is pulled up, the concrete generates the collapse phenomenon due to the dead weight, and the height of the highest point of the concrete after the collapse is subtracted by the barrel height (300mm), namely the slump. If the difference is 100mm, the slump is 100. The slump test procedure requires attention to: 1. wetting a slump cone and a bottom plate, wherein no open water exists on the inner wall of the slump cone and the bottom plate; 2. the bottom plate is placed on a solid horizontal plane, the barrel is placed in the center of the bottom plate, and the slump barrel is kept in a fixed position during loading; 3. the lifting-off process of the slump cone is finished within 5-10S, and the whole process from the beginning of loading to the lifting-off process of the slump cone is continuously carried out and is finished within 150S.

However, when the existing concrete slump testing device needs to be tested outdoors or on a construction site, because the ground is relatively uneven, the levelness of the bottom plate can not be guaranteed, and the slump test result can be influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a concrete slump testing device for pouring heat-preservation ground, which has the advantages that the bottom plate can be automatically leveled through an arranged horizontal adjusting mechanism, when in use, an arranged electronic level measuring instrument is used for detecting the horizontal angle of the bottom plate, an arranged controller receives measured data, then the controller sends a feedback signal to an electric telescopic rod according to the measured data, the electric telescopic rod stretches and retracts after receiving the feedback signal, the electric telescopic rod can drive a first supporting rod to move, the first supporting rod can drive a second connecting rod to move through the first connecting piece and the second connecting piece, the bottom plate can be adjusted to be in a horizontal state through the mutual matching of the electric telescopic rods, the horizontal angle of the bottom plate does not need to be adjusted manually, the accuracy of measuring the concrete slump is guaranteed, and meanwhile the working efficiency is improved.

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

a concrete slump testing device for heat preservation ground pouring comprises a bottom plate and a slump cylinder, wherein the slump cylinder is placed above the bottom plate, a horizontal adjusting mechanism is arranged on the lower side of the bottom plate and comprises a triangular base, a first supporting rod is hinged at the vertex angle of the upper side of the triangular base, a first connecting piece is rotatably connected to the upper end of the first supporting rod, a second connecting piece is hinged to the upper end of the first connecting piece, a second supporting rod is rotatably connected to the upper end of the second connecting piece, the upper end of the second supporting rod is hinged to the lower side of the bottom plate, one end of an electric telescopic rod is hinged to the side wall of the first supporting rod, the other end of the electric telescopic rod is hinged to the upper side of the triangular base, an electronic level measuring instrument is fixedly connected to the bottom of the bottom plate, and a controller is fixedly connected to the upper side of the triangular base, the electric telescopic rod and the electronic level gauge are electrically connected with the controller.

Through adopting above-mentioned technical scheme, can carry out automatic leveling to the bottom plate through the horizontal adjustment mechanism who sets up, when using, the electronic level measuring apparatu that sets up is used for detecting the horizontal angle of bottom plate, the controller that sets up receives measured data, then the controller sends feedback signal to electric telescopic handle according to measured data, electric telescopic handle makes electric telescopic handle flexible after receiving feedback signal, electric telescopic handle is flexible can drive first bracing piece motion, first bracing piece motion can make the second connecting piece motion through first connecting piece and second connecting piece, can adjust the bottom plate to the horizontality through individual electric telescopic handle's mutually supporting, do not need the manual work to adjust the horizontal angle of bottom plate, the accuracy of measuring the concrete slump has been ensured, and the work efficiency is improved simultaneously.

The present invention in a preferred example may be further configured to: the last pot head of slump section of thick bamboo is equipped with annular external member and rather than threaded connection, a plurality of connecting rods of lateral wall fixedly connected with of annular external member, the connecting rod is kept away from the lower part fixedly connected with cylinder of annular external member one end, the lower extreme of cylinder with bottom plate fixed connection.

Through adopting above-mentioned technical scheme, extend through control cylinder and can drive annular external member upward movement, the annular external member motion can be so that the vertical upward movement of slump section of thick bamboo, leads to the problem of rotation or skew when having avoided the manual work to extract the slump section of thick bamboo, has ensured test data's accuracy.

The present invention in a preferred example may be further configured to: the number of the connecting rods is three.

Through adopting above-mentioned technical scheme, stability when the setting of three connecting rod can improve the lift of slump cone.

The present invention in a preferred example may be further configured to: the upper side fixedly connected with sighting rod of bottom plate, the sighting rod lateral wall is equipped with the scale, the sighting rod has cup jointed the sleeve pipe, sleeve pipe lateral wall fixedly connected with level setting's measuring stick.

Through adopting above-mentioned technical scheme, be convenient for measure the slump of concrete through sighting rod, sleeve pipe and the measuring stick that sets up.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the automatic leveling of the bottom plate can be realized through the arranged horizontal adjusting mechanism, when the automatic leveling device is used, the arranged electronic horizontal measuring instrument is used for detecting the horizontal angle of the bottom plate, the arranged controller receives the measured data, then the controller sends a feedback signal to the electric telescopic rod according to the measured data, the electric telescopic rod enables the electric telescopic rod to stretch after receiving the feedback signal, the electric telescopic rod can drive the first supporting rod to move, the first supporting rod can enable the second connecting rod to move through the first connecting piece and the second connecting piece, the bottom plate can be adjusted to be in a horizontal state through the mutual matching of the electric telescopic rods, the horizontal angle of the bottom plate does not need to be adjusted manually, the accuracy of measuring the concrete slump is guaranteed, and meanwhile the working efficiency is improved;

drawings

FIG. 1 is a schematic diagram of a first perspective of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a second viewing angle of the present invention.

Reference numerals: 1. a base plate; 2. a slump cone; 3. a horizontal adjustment mechanism; 31. a triangular base; 32. a first support bar; 33. a first connecting member; 34. a second connecting member; 35. a second support bar; 36. an electric telescopic rod; 37. an electronic level gauge; 38. a controller; 4. a ring-shaped sleeve member; 5. a connecting rod; 6. a cylinder; 8. a marker post; 9. calibration; 10. and (6) measuring the rod.

Detailed Description

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

As shown in figures 1 and 2, the concrete slump testing device for casting heat-preservation ground disclosed by the utility model comprises a bottom plate 1 and a slump cone 2, wherein the slump cone 2 is placed above the bottom plate 1, the lower side of the bottom plate 1 is provided with a horizontal adjusting mechanism 3, the horizontal adjusting mechanism 3 can automatically level the bottom plate 1, the horizontal adjusting mechanism 3 comprises a triangular base 31, the top corners of the upper side of the triangular base 31 are all hinged with a first supporting rod 32, the upper end of the first supporting rod 32 is rotatably connected with a first connecting piece 33, the upper end of the first connecting piece 33 is hinged with a second connecting piece 34, the upper end of the second connecting piece 34 is rotatably connected with a second supporting rod 35, the upper end of the second supporting rod 35 is hinged with the lower side of the bottom plate 1, the side wall of the first supporting rod 32 is hinged with one end of an electric telescopic rod 36, the other end of the electric telescopic rod 36 is hinged with the upper side of the triangular base 31, as shown in fig. 3, an electronic level meter 37 is fixedly connected to the bottom of the base plate 1, a controller 38 is fixedly connected to the upper side of the triangular base 31, and both the electric telescopic rod 36 and the electronic level meter 37 are electrically connected to the controller 38. When using, the electron level gauge 37 that sets up is used for detecting the horizontal angle of bottom plate 1, the controller 38 that sets up receives measured data, then controller 38 sends feedback signal to electric telescopic handle 36 according to measured data, electric telescopic handle 36 makes electric telescopic handle 36 flexible after receiving feedback signal, electric telescopic handle 36 is flexible can drive first bracing piece 32 motion, first bracing piece 32 motion can make the motion of second connecting piece 34 through first connecting piece 33 and second connecting piece 34, can adjust bottom plate 1 to the horizontality through the mutually supporting of individual electric telescopic handle 36, do not need the manual work to adjust the horizontal angle of bottom plate 1, the accuracy of measuring the concrete slump has been ensured, and the work efficiency is improved simultaneously.

As shown in fig. 1 and 3, the upper end of the slump cone 2 is sleeved with an annular sleeve 4 and is in threaded connection with the annular sleeve 4, the side wall of the annular sleeve 4 is fixedly connected with a plurality of connecting rods 5, the lower part of one end of the annular sleeve 4, far away from the connecting rods 5, is fixedly connected with a cylinder 6, and the lower end of the cylinder 6 is fixedly connected with the bottom plate 1. Can drive 4 upward movements of annular external member through 6 extensions of control cylinder, 4 movements of annular external member can make the vertical upward movement of slump section of thick bamboo 2, lead to the problem of rotation or skew when having avoided artifical slump section of thick bamboo 2 of pulling out, have ensured test data's accuracy.

As shown in fig. 3, further, the number of the connecting rods is three, and the arrangement of three connecting rods 5 can improve the stability when the slump cone 2 is lifted.

As shown in fig. 3, in order to measure the slump of the concrete, preferably, a marker post 8 is fixedly connected to the upper side of the bottom plate 1, scales 9 are arranged on the side wall of the marker post 8, a sleeve is sleeved on the marker post 8, and a measuring rod 10 horizontally arranged is fixedly connected to the side wall of the sleeve.

The implementation principle of the embodiment is as follows: when the device is used, the set electronic level gauge 37 is used for detecting the level angle of the bottom plate 1, the set controller 38 receives the measured data, then the controller 38 sends a feedback signal to the electric telescopic rod 36 according to the measured data, the electric telescopic rod 36 makes the electric telescopic rod 36 stretch after receiving the feedback signal, the electric telescopic rod 36 stretches and contracts to drive the first supporting rod 32 to move, the first supporting rod 32 moves to enable the second connecting rod 34 to move through the first connecting piece 33 and the second connecting piece 34, and the bottom plate 1 can be adjusted to be in a horizontal state through the mutual matching of the electric telescopic rods 36; after the leveling is accomplished, pour into the concrete to slump section of thick bamboo 2, divide the cubic to pack, use the rammer to hit 25 down along the even outside-in of bucket wall with the rammer after filling at every turn, after the tamping, trowel, the concrete is by the tamping completely, the control motor extension, cylinder 6 extension can drive annular external member 4 upward movement, the 4 movements of annular external member can make slump section of thick bamboo 2 vertical upwards pull up until breaking away from the concrete completely, use measuring stick 10 at last to measure the height of concrete and do the difference with the height of slump section of thick bamboo 2, can record the slump value.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a heat preservation ground is pour and is used concrete slump testing arrangement, includes bottom plate (1) and a slump section of thick bamboo (2), its characterized in that: the slump cone (2) is placed above the bottom plate (1), a horizontal adjusting mechanism (3) is arranged on the lower side of the bottom plate (1), the horizontal adjusting mechanism (3) comprises a triangular base (31), a first supporting rod (32) is hinged to the vertex angle of the upper side of the triangular base (31), a first connecting piece (33) is rotatably connected to the upper end of the first supporting rod (32), a second connecting piece (34) is hinged to the upper end of the first connecting piece (33), a second supporting rod (35) is rotatably connected to the upper end of the second connecting piece (34), the upper end of the second supporting rod (35) is hinged to the lower side of the bottom plate (1), an electric telescopic rod (36) is hinged to the side wall of the first supporting rod (32), the other end of the electric telescopic rod (36) is hinged to the upper side of the triangular base (31), and an electronic horizontal measuring instrument (37) is fixedly connected to the bottom of the bottom plate (1), the upper side of the triangular base (31) is fixedly connected with a controller (38), and the electric telescopic rod (36) and the electronic level gauge (37) are electrically connected with the controller (38).

2. The concrete slump testing device for heat-preservation ground pouring according to claim 1, wherein: the last pot head of slump section of thick bamboo (2) is equipped with annular external member (4) and rather than fixed connection, a plurality of connecting rods of lateral wall fixedly connected with (5) of annular external member (4), keep away from connecting rod (5) the lower part fixedly connected with cylinder (6) of annular external member (4) one end, the lower extreme of cylinder (6) with bottom plate (1) fixed connection.

3. The concrete slump testing device for heat-preservation ground pouring according to claim 2, wherein: the number of the connecting rods (5) is three.

4. The concrete slump testing device for heat-preservation ground pouring according to claim 1, wherein: the upper side fixedly connected with sighting rod (8) of bottom plate (1), sighting rod (8) lateral wall is equipped with scale (9), sighting rod (8) have cup jointed the sleeve pipe, sleeve pipe lateral wall fixedly connected with measuring stick (10) that the level set up.