CN215415435U

CN215415435U - Cement slump detection device is used in laboratory

Info

Publication number: CN215415435U
Application number: CN202121799717.9U
Authority: CN
Inventors: 陈治军
Original assignee: Xuzhou Hongfeng High Molecular Material Co ltd
Current assignee: Xuzhou Hongfeng High Molecular Material Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-04
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to a cement slump detection device for laboratories, which comprises a vibration plate, wherein a vibration rod is fixedly arranged in the middle of the bottom end of the vibration plate, the input end of the vibration rod is connected with a vibration motor, four support columns are symmetrically arranged at the bottom end of the vibration plate, a damping spring is sleeved on the outer walls of the support columns, a base is fixedly arranged at the bottom end of the damping spring and is parallel to the vibration plate, a slump cone is arranged in the middle of the top end of the vibration plate, a handle is fixedly arranged on the outer wall of the slump cone, connecting rods are symmetrically arranged on the outer wall of the slump cone, a slide block is fixedly arranged at the other end of each connecting rod and is sleeved on the outer wall of a slide rod, a fixing hole is formed in the side surface of the slide block, which is far away from the connecting rods, a fixing shaft is connected in the fixing hole through threads, the slide rod is arranged on the upper surface of the vibration plate and is vertical to the vibration plate, the top of vibration board is equipped with the recess, recess inside is equipped with the spirit level.

Description

Cement slump detection device is used in laboratory

Technical Field

The utility model relates to the technical field of cement detection, in particular to a cement slump detection device for a laboratory.

Background

Slump mainly refers to the plasticizing performance and the pumpability of concrete, and the degree (the plasticizing performance and the pumpability) of the slump is measured by a quantitative index and is used for judging whether construction can be normally carried out or not. The influence on the concrete slump mainly includes grading change, water content, weighing deviation of a horizontal device, the dosage of an additive, neglected easily, cement temperature and the like. 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.

The slump test method comprises the steps of filling concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm, tamping, pulling up the bucket, and subtracting the height of the highest point of the collapsed concrete from the height (300mm) of the bucket to obtain the slump, wherein the slump is generated after the concrete collapses due to the dead weight. If the difference is 10mm, the slump is 10.

A small amount of cement needs to be loaded into a slump cone before the existing slump test, the cement in the slump cone is inserted and tamped for 24 times through a tamping rod, the processes are repeated, manual insertion and tamping are not uniform, labor is wasted, the slump cone needs to be lifted upwards vertically during the test, the complete vertical lifting during the lifting process is difficult to guarantee, and cement slump is easily caused if the slump cone is inclined during the lifting process, so that the test accuracy is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a cement slump detection device for a laboratory, which can realize automatic and uniform filling and can ensure the accuracy of the test.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a cement slump detection device for a laboratory comprises a vibration plate, wherein a vibration rod is fixedly arranged at the middle position of the bottom end of the vibration plate, the input end of the vibration rod is connected with a vibration motor, four support columns are symmetrically arranged at the bottom end of the vibration plate, damping springs are sleeved on the outer walls of the support columns, a base is fixedly arranged at the bottom ends of the damping springs and is parallel to the vibration plate, a slump cylinder is arranged at the middle position of the top end of the vibration plate, a handle is fixedly arranged on the outer wall of the slump cylinder, connecting rods are symmetrically arranged on the outer wall of the slump cylinder, a sliding block is fixedly arranged at the other end of each connecting rod, the sliding block is sleeved on the outer wall of a sliding rod, a fixing hole is formed in the side face, away from the connecting rods, of the sliding block, a fixing shaft is in threaded connection with the fixing hole, the sliding rod is arranged on the upper surface of the vibration plate and is perpendicular to the vibration plate, and a groove is formed in the top end of the vibration plate, a level gauge is arranged inside the groove.

Preferably, a switch is arranged on the side wall of the base and electrically connected with the vibration motor.

Preferably, the level gauge is made of transparent materials, and the interior of the level gauge is filled with colored liquid.

Preferably, the upper surface of the level is provided with scales.

Preferably, the bottom end of the base is fixedly provided with an anti-slip pad, and the bottom end of the anti-slip pad is provided with anti-slip particles.

By the scheme, the utility model at least has the following advantages: through the cooperation of vibrating motor, vibrating arm and vibration board, can realize carrying out the tamping to the cement in the slump section of thick bamboo, save the manpower, can make cement homodisperse in a slump section of thick bamboo simultaneously, the cooperation of litter, slider and connecting rod can ensure to guarantee not to incline when carrying and drawing a slump section of thick bamboo, ensures the test precision.

Drawings

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

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

FIG. 3 is a schematic view of a level construction;

in the figure: 1. the device comprises a vibration plate, 2, a base, 3, a vibration motor, 4, a vibration rod, 5, a sliding block, 6, a sliding rod, 7, a fixing hole, 8, a fixing shaft, 9, a connecting rod, 10, a slump cone, 11, a handle, 12, a damping spring, 13, a support, 14, a level gauge, 15, a groove, 16, a switch, 17, a scale, 18 and a non-slip mat.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

As shown in fig. 1, a cement slump detection device for a laboratory comprises a vibration plate 1, a vibration rod 4 is fixedly arranged at the middle position of the bottom end of the vibration plate 1, an input end of the vibration rod 4 is connected with a vibration motor 3, the vibration rod 4 is driven by the vibration motor 3 to vibrate, so that the vibration plate 1 vibrates, four support columns 13 are symmetrically arranged at the bottom end of the vibration plate 1, damping springs 12 are sleeved on the outer walls of the support columns 13, the vibration caused by the vibration motor 3 can be reduced by the damping springs 12, the vibration plate 1 is prevented from being influenced by resonance generated by the base 2, the base 2 is fixedly arranged at the bottom end of the damping springs 12, the base 2 is parallel to the vibration plate 1, a slump cone 10 is arranged at the middle position of the top end of the vibration plate 1, a handle 11 is fixedly arranged on the outer wall of the slump cone 10, the handle 11 facilitates lifting of the slump cone 10, connecting rods 9 are symmetrically arranged on the outer wall of the slump cone 10, the other end of the connecting rod 9 is fixedly provided with a sliding block 5, the sliding block 5 is sleeved on the outer wall of a sliding rod 6, the sliding rod 6 is arranged on the upper surface of the vibrating plate 1 and is perpendicular to the vibrating plate 1, a fixing hole 7 is formed in the side, away from the connecting rod 9, of the sliding block 5, a fixing shaft 8 is connected with the fixing hole 7 in a threaded manner, the fixing shaft 8 is used for fixing the sliding block 5 and the sliding rod 6 to ensure the stability of the slump cone 10, a groove 15 is formed in the top end of the vibrating plate 1, a level gauge 14 is arranged inside the groove 15 and used for detecting whether the device is in a horizontal position or not, the level gauge 14 is made of a transparent material and filled with colored liquid, scales 17 are arranged on the upper surface of the level gauge 14, a switch 16 is arranged on the side wall of the base 2, the switch 16 is electrically connected with the vibrating motor 3, and an anti-skid pad 18 is fixedly arranged at the bottom end of the base 2, the bottom end of the non-slip mat 18 is provided with non-slip particles.

The working principle is as follows: when the slump cone measuring device is used, the sliding block 5 is sleeved on the sliding rod 6, when the bottommost end of the slump cone 10 is in contact with the upper surface of the vibrating plate 1, the sliding block 5 and the sliding rod 6 are fixed through the fixing shaft 8, the slump cone 10 and the vibrating plate 1 are fixed, the switch 16 is started, the vibrating motor 3 drives the vibrating rod 4 to vibrate, the vibrating plate 1 vibrates, cement is added into the slump cone 10, the cement is uniformly and compactly distributed through the vibration of the vibrating plate 1, after the cement is filled, the surface is scraped flat through scraping, the surface is placed for a period of time, the fixing shaft 8 is unscrewed, the handle 11 is manually lifted, the handle 11 is vertically and upwards pulled, the handle 11 cannot be inclined when the handle 11 is upwards pulled due to the limitation of the connecting rod 9 and the sliding block 5, and the measuring accuracy is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The cement slump detection device for the laboratory is characterized by comprising a vibration plate (1), a vibration rod (4) is fixedly arranged at the middle position of the bottom end of the vibration plate (1), the input end of the vibration rod (4) is connected with a vibration motor (3), four support columns (13) are symmetrically arranged at the bottom end of the vibration plate (1), a damping spring (12) is sleeved on the outer wall of each support column (13), a base (2) is fixedly arranged at the bottom end of the damping spring (12), the base (2) is parallel to the vibration plate (1), a slump drum (10) is arranged at the middle position of the top end of the vibration plate (1), a handle (11) is fixedly arranged on the outer wall of the slump drum (10), connecting rods (9) are symmetrically arranged on the outer wall of the slump drum (10), a sliding block (5) is fixedly arranged at the other end of the connecting rods (9), and the sliding block (5) is sleeved on the outer wall of a sliding rod (6), the side of the slider (5) far away from the connecting rod (9) is provided with a fixing hole (7), the fixing hole (7) is connected with a fixing shaft (8) in an internal thread mode, the sliding rod (6) is arranged on the upper surface of the vibrating plate (1) and is perpendicular to the vibrating plate (1), the top end of the vibrating plate (1) is provided with a groove (15), and a level gauge (14) is arranged inside the groove (15).

2. The cement slump detection device for the laboratory according to claim 1, wherein a switch (16) is arranged on the side wall of the base (2), and the switch (16) is electrically connected with the vibration motor (3).

3. The cement slump detection device for laboratories according to claim 1, wherein the level gauge (14) is transparent and filled with a colored liquid.

4. A cement slump detection device for laboratories according to claim 3, wherein the upper surface of the level gauge (14) is provided with a scale (17).

5. The cement slump detection device for the laboratory according to claim 1, wherein a non-slip mat (18) is fixed to the bottom end of the base (2), and non-slip particles are arranged at the bottom end of the non-slip mat (18).