CN215339385U

CN215339385U - Automatic testing arrangement of self-compaction concrete slump expansion

Info

Publication number: CN215339385U
Application number: CN202120985906.9U
Authority: CN
Inventors: 陈晓宁; 苗玲玲; 田佳; 冯丙银
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-28
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses an automatic testing device for collapse expansion degree of self-compacting concrete, which comprises a base, a collapse expansion disc, a height measuring instrument, a collapse barrel and a fixing column, wherein the collapse barrel is installed on one side of the top of the base through a supporting rod extending out of the fixing column, the collapse expansion disc is installed at the center of the top of the base, and the height measuring instrument is sleeved on the top of the base on one side of the collapse expansion disc through a scale. According to the utility model, the threaded rod is arranged in the fixed column, when the slump cone is lifted, the driving motor can convert electric energy into mechanical energy, the driving motor is electrified to drive the threaded rod to rotate, the slump cone on the supporting rod is driven to move upwards through the threaded sleeve to be quickly lifted, the influence of the slump cone on concrete slump is avoided, the height measuring instrument can transmit and display height data through the contact of the sliding rod and the top surface of the concrete, and the annular scale arranged on the inner surface of the slump expansion disc can directly read the height data, so that the measurement automation is realized.

Description

Automatic testing arrangement of self-compaction concrete slump expansion

Technical Field

The utility model relates to the technical field of concrete detection, in particular to an automatic testing device for slump expansion of self-compacting concrete.

Background

Along with the rapid development of economic construction in China, construction projects such as bamboo shoots in spring after rain in China are developed, the engineering quantity is also becoming huge day by day, the slump measurement is taken as an indispensable ring of the projects, and in the face of the complexity of manual measurement in the process of measuring the slump and the extensibility of more project engineering construction projects at present, an automatic testing device for the slump extensibility of self-compacting concrete is needed, but the existing automatic testing device for the slump extensibility has many problems or defects:

the measurement of concrete mixture slump and divergence is more loaded down with trivial details, and measurement work volume is big, and traditional mode uses wastes time, difficultly, and work efficiency is low, and needs two at least ruler cooperations, can not accurate measurement accuracy, easily receives manual operation and visual error to influence, and is not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic testing device for slump expansion of self-compacting concrete, which aims to solve the problems of complicated measurement work and inaccurate measurement work in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the automatic testing device for the slump expansion of the self-compacting concrete comprises a base, a slump expansion disc, a height measuring instrument, a slump cylinder and a fixing column, wherein the slump expansion disc is placed at the central position of the top of the base, the fixing column is installed on one side of the top of the base, a threaded rod is arranged inside the fixing column, an extended supporting rod is installed on the threaded rod through a threaded sleeve, a slump cylinder is installed at the output end of the supporting rod through a clamping mechanism, a driving motor connected with the threaded rod is arranged on one side of the base, a storage battery is arranged inside the base through a battery compartment, a graduated scale is installed on the top of the base on one side of the fixing column through a rotating mechanism, and the height measuring instrument is sleeved on the graduated scale.

Preferably, a fixed clamping groove matched with the collapse expansion disc is formed in the center of the top of the base, and annular scales are marked at the bottom of the collapse expansion disc.

Preferably, a sliding groove is formed in one side of the inner portion of the fixing column and fixedly connected with the threaded sleeve through a sliding block.

Preferably, the height measuring instrument is sleeved on the graduated scale through a sliding sleeve, a sliding rod is fixedly installed on one side of the sliding sleeve, and an adjusting knob is installed on one side of the sliding sleeve.

Preferably, the clamping mechanism is an annular structure matched with the slump cone, and the front surface of the annular structure is clamped and fixed with the clamping mechanism through a fastener.

Preferably, the position of the storage battery on the front side of the base is provided with a starting switch and a socket, and the bottom of the base is provided with four groups of moving wheels.

Compared with the prior art, the utility model has the following innovative effects: this self-compaction concrete collapse extension degree automatic testing arrangement is rational in infrastructure, has following advantage:

(1) the screw rod sleeved with the screw sleeve is arranged in the fixed column, the driving motor converts electric energy into mechanical energy to drive the screw rod to rotate, the support rod extending out of the threaded sleeve drives the slump cone to move up and down quickly, so that the concrete slump is prevented from being influenced, the driving motor is synchronously timed, the time consumed by the slump is recorded, the follow-up calculation numerical value can be taken conveniently and timely, the workload of constructors is reduced, time and labor are saved, and the working efficiency is improved;

(2) the rotating mechanism is arranged at the bottom of the graduated scale, the sliding rod fixedly connected with the graduated scale through the sliding sleeve can be controlled to horizontally rotate, the arrangement of a slump cone can not be hindered, the concrete height can be measured in time when needed, the sliding sleeve is driven by the rotating adjusting knob to move up and down to transmit data to be automatically displayed on the height measuring instrument, the automation of concrete height measurement is realized, the detection work is simpler and more convenient, the influence of manual operation and visual errors is avoided, the measuring precision is improved, and the data is more accurate;

(3) through having the annular scale at the inside surface mark of slump expansion dish, can direct measurement read out self-compaction concrete slump expansion degree, convenient and fast, and slump expansion dish can follow fixed slot and shift out, carries out timely clearance to the concrete that the measurement was ended, has avoided the transport of large-scale mechanism, has reduced the work load of clearance, and slump section of thick bamboo is through the fixed centre gripping of the annular fixture who matches with it, has guaranteed the stability of a slump section of thick bamboo, has improved measuring precision.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. fixing the clamping groove; 3. a rotation mechanism; 4. a slump expansion tray; 5. adjusting a knob; 6. a height measuring instrument; 601. a graduated scale; 602. a slide bar; 603. a sliding sleeve; 7. a clamping mechanism; 8. a slump cone; 9. fixing a column; 901. a support bar; 902. a threaded sleeve; 903. a slider; 904. a chute; 905. a threaded rod; 10. a drive motor; 11. a storage battery; 12. the wheel is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: an automatic testing device for slump expansion of self-compacting concrete comprises a base 1, a slump expansion disc 4, a height measuring instrument 6, a slump cone 8 and a fixing column 9, wherein a fixing clamping groove 2 matched with the slump expansion disc 4 is formed in the center of the top of the base 1, the slump expansion disc 4 is placed at the position of the fixing clamping groove 2, the slump expansion disc 4 can be fixed at the center of the top of the base 1, annular scales are marked at the bottom of the slump expansion disc 4, and the slump expansion can be directly read from the slump expansion disc 4 after the self-compacting concrete collapses;

a fixed column 9 is installed on one side of the top of the base 1, a threaded rod 905 is arranged in the fixed column 9, a driving motor 10 connected with the threaded rod 905 is arranged on one side of the base 1, the type of the driving motor 10 can be Y132S-8, the driving motor 10 can convert electric energy into mechanical energy, the driving motor 10 is electrified to drive the threaded rod 905 to rotate, a sliding groove 904 is arranged on one side of the inside of the fixed column 9, the sliding groove 904 is fixedly connected with a threaded sleeve 902 through a sliding block 903, the threaded sleeve 902 is limited on the threaded rod 905 by the sliding block 903 and can only move up and down, the threaded rod 905 is provided with an extended supporting rod 901 through the threaded sleeve 902, the output end of the supporting rod 901 is provided with a slump cone 8 through a clamping mechanism 7, the clamping mechanism 7 is of an annular structure matched with the slump cone 8, and the front face of the annular structure is clamped and fixed with the clamping mechanism 7 through a fastener;

the storage battery 11 is arranged in the base 1 through a battery bin, a graduated scale 601 is arranged at the top of the base 1 on one side of the fixed column 9 through the rotating mechanism 3, a height measuring instrument 6 is sleeved on the graduated scale 601, the type 6 of the height measuring instrument can be Digimar816CL, the height measuring instrument 6 is sleeved on the graduated scale 601 through a sliding sleeve 603, a sliding rod 602 is fixedly arranged on one side of the sliding sleeve 603, an adjusting knob 5 is arranged on one side of the sliding sleeve 603, a starting switch and a socket are arranged at the position of the storage battery 11 on the front side of the base 1, four groups of moving wheels 12 are arranged at the bottom of the base 1, and the concrete collapse expansion degree measuring device can be moved to other construction sites through the moving wheels 12 to measure the new concrete collapse expansion degree.

The working principle is as follows: when the device is used, firstly, the scale 601 is driven to rotate by adjusting the rotating mechanism 3, the sliding rod 602 sleeved on the scale 601 through the sliding sleeve 603 horizontally rotates along with the scale, so that the sliding rod 602 above the collapse expansion disc 4 is moved away, then the collapse cylinder 8 is installed between the clamping mechanisms 7, the two annular clamping plates of the clamping mechanisms 7 are fixed through the fasteners, the collapse cylinder 8 is fixed on the clamping mechanisms 7, the collapse cylinder 8 moves downwards through adjusting the supporting rod 901 until being stably placed at the central position of the collapse expansion disc 4, and a constructor fills self-compacting concrete from the top of the collapse cylinder 8 to fill the circular truncated cone below the collapse cylinder 8 in batches and trowels the surface with tools;

secondly, the driving motor 10 is connected with a circuit of the storage battery 11, a starting switch on the front side of the driving motor 10 is started, the driving motor 10 is electrified, the timing device starts to perform synchronous timing, the type of the driving motor 10 can be Y132S-8, the driving motor 10 converts electric energy into mechanical energy, the driving motor 10 is electrified to drive a threaded rod 905 to rotate through a coupler, a threaded sleeve 902 sleeved on the threaded rod 905 cannot rotate along with the threaded rod 905 due to the limitation of a sliding block 903 in a sliding groove 904, the threaded sleeve 902 can only move upwards on the threaded rod 905, an extended supporting rod 901 moves upwards along with the threaded sleeve 902, a slump cone 8 fixed on the supporting rod 901 can be quickly lifted, and self-compacting concrete to be measured starts to slump and expand;

finally, the rotating mechanism 3 is adjusted again, the sliding rod 602 rotates back to the upper side of the collapse expansion disc 4, the adjusting knob 5 is rotated, the sliding sleeve 603 drives the sliding rod 602 to move downwards to the top surface of the collapsed self-compacting concrete, the timing is stopped after the value on the height measuring instrument 6 tends to be stable and does not change any more, the height of the collapsed self-compacting concrete is read from the height measuring instrument 6, the collapse degree is obtained by subtracting the data read from the height measuring instrument 6 from the height of the lower cylinder of the collapse degree cylinder 8, the expansion degree value is read from the collapse expansion disc 4 or is calculated, after the use is finished, the collapse expansion disc 4 can be taken out from the fixed clamping groove 2 and the self-compacting concrete is cleaned, the fixed column 9 can be pushed, and the moving wheel 12 at the bottom of the base 1 is matched to enable the self-compacting concrete to move to the next work site.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self-compaction concrete slump extension automatic testing arrangement, includes base (1), slump extension dish (4), height measurement appearance (6), a slump section of thick bamboo (8) and fixed column (9), its characterized in that: the collapse expansion disc (4) is placed at the center of the top of the base (1), a fixing column (9) is installed on one side of the top of the base (1), a threaded rod (905) is arranged inside the fixing column (9), a support rod (901) extending out is installed on the threaded rod (905) through a threaded sleeve (902), a collapse degree barrel (8) is installed at the output end of the support rod (901) through a clamping mechanism (7), a driving motor (10) connected with the threaded rod (905) is arranged on one side of the base (1), a storage battery (11) is arranged inside the base (1) through a battery compartment, a graduated scale (601) is installed on the top of the base (1) on one side of the fixing column (9) through a rotating mechanism (3), and a height measuring instrument (6) is sleeved on the graduated scale (601).

2. The automatic testing device for slump expansion of self-compacting concrete according to claim 1, wherein: the top center position of base (1) is equipped with fixed draw-in groove (2) that match with collapse expansion dish (4), the bottom mark of collapse expansion dish (4) has annular scale.

3. The automatic testing device for slump expansion of self-compacting concrete according to claim 1, wherein: a sliding groove (904) is formed in one side of the inside of the fixing column (9), and the sliding groove (904) is fixedly connected with a threaded sleeve (902) through a sliding block (903).

4. The automatic testing device for slump expansion of self-compacting concrete according to claim 1, wherein: height measuring instrument (6) pass through slip cap (603) suit on scale (601), slip cap (603) one side fixed mounting has slide bar (602), and slip cap (603) one side installs adjust knob (5).

5. The automatic testing device for slump expansion of self-compacting concrete according to claim 1, wherein: the clamping mechanism (7) is an annular structure matched with the slump cone (8), and the front surface of the annular structure is clamped and fixed with the clamping mechanism (7) through a fastener.

6. The automatic testing device for slump expansion of self-compacting concrete according to claim 1, wherein: a starting switch and a socket are arranged at the position of the storage battery (11) on the front side of the base (1), and four groups of moving wheels (12) are installed at the bottom of the base (1).