CN218974112U

CN218974112U - Cement specific surface area measuring device

Info

Publication number: CN218974112U
Application number: CN202223048963.8U
Authority: CN
Inventors: 李广超; 郭俊峰; 孙彦方; 闫延锋; 王静; 雷方方; 顾文英
Original assignee: Tianrui Group Zhoukou Cement Co ltd
Current assignee: Tianrui Group Zhoukou Cement Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-05
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a cement specific surface area measuring device which comprises a detector body, wherein a glass tube is arranged at the end part of the detector body, a vertical plate is fixed at the upper end of the detector body, a horizontal plate is fixed on the side wall of the vertical plate, a pull rod is connected with the upper end of the horizontal plate in a penetrating and sliding manner, a horizontal block is fixed at the bottom of the pull rod, the horizontal block abuts against the front end of the detector body, a first blocking block and a second blocking block are fixed at the bottom of the horizontal block, and the first blocking block and the second blocking block correspond to the glass tube. In this device, through setting up at vertical piece and stopper, can realize that the closing plate moves up along the seal of connecting pipe at the horizontal piece in-process of moving down to make the inside air of top entering gasbag along the connecting pipe in the horizontal piece, thereby can realize the inflation of gasbag, can realize the sealed storage of glass pipe, and need not the manual extrusion flexible sealing piece can realize the seal to the glass pipe, can effectively avoid the damage of glass pipe.

Description

Cement specific surface area measuring device

Technical Field

The utility model relates to the technical field of specific surface area measuring instruments, in particular to a cement specific surface area measuring device.

Background

The specific cement surface area is the total surface area of cement powder in unit mass, if the specific cement surface area is small, early hydration is relatively sufficient, early strength is high, water demand is high, the probability of cracking concrete is high, otherwise, early strength is low, water demand is low, and the measurement of specific cement surface area is favorable for controlling the water consumption of concrete, which is also a reference reason for water consumption in concrete production, and the existing test mode is measured by a Bo method for measuring specific cement surface area;

through searching, the utility model patent with the application number of CN202121583463.7 provides a full-automatic specific surface area tester. The sealing device comprises a machine body and a U-shaped glass tube connected to the machine body, wherein the two ends of the U-shaped glass tube are upwards provided with air vents, the machine body is further provided with a sealing device, the sealing device comprises a mounting plate connected to the top end of the machine body, a shielding plate vertically and relatively connected to the mounting plate in a sliding mode, and a driving part for driving the shielding plate to vertically move, the shielding plate is located above the U-shaped glass tube, and the vertical projection of the two ends of the U-shaped glass tube on the horizontal plane is shielded by the vertical projection of the shielding plate on the horizontal plane. The device has the effect of reducing the probability of dust or impurities entering the U-shaped glass tube when the instrument is in the storage state;

but the device realizes the sealing of glass pipe through utilizing first sealed sponge layer and second sealed sponge layer, needs to exert a certain decurrent power and just can realize that the sponge layer offsets with the sealing of glass pipe, and the power can cause the downshift of glass pipe in applying the in-process, can also cause the damage of glass pipe moreover easily, and then can influence the follow-up use of U type glass pipe.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a cement specific surface area measuring device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cement specific surface area survey device, includes the detector body, the tip of detector body is provided with the glass pipe, the upper end of detector body is fixed with vertical board, the lateral wall of vertical board is fixed with the horizontal plate, sliding connection has the pull rod to run through in the upper end of horizontal plate, the bottom of pull rod is fixed with the horizontal block, the horizontal block offsets with detector body front end, the bottom of horizontal block is fixed with first sprue and second sprue, first sprue and second sprue all correspond with the glass pipe, the tip of first sprue and second sprue all is provided with sealed shielding device.

Preferably, two vertical grooves are formed in the end portion of the detector body, the inner walls of the two vertical grooves are connected with matching blocks in a sliding mode, and the two matching blocks are fixed to the end portion of the horizontal block.

Preferably, the end part of the vertical plate penetrates through the support block in a sliding manner, the support block is a T-shaped block, and the end part of the support block is fixed with the side wall of the vertical plate through a plurality of connecting springs.

Preferably, the sealing shielding device comprises a sealing plate which is in sealing sliding connection with the inner wall of the horizontal block, a plurality of vertical blocks are fixed at the upper ends of the sealing plate, and the upper ends of the vertical blocks penetrate through the upper part of the horizontal block and are in sealing sliding connection with the horizontal block.

Preferably, the mounting grooves are formed in the circumferential side walls of the first blocking piece and the second blocking piece, an air bag is fixed on the inner wall of each mounting groove, connecting pipes are arranged in the first blocking piece and the second blocking piece, one ends of the connecting pipes penetrate into the horizontal blocks and are in sealing sliding connection with the sealing plates, and the end portions of the connecting pipes penetrate into the air bags.

Preferably, the vertical block is a T-shaped block, the end part of the vertical block is propped against the side wall of the vertical plate, a limiting block is fixed on the side wall of the vertical plate, and the limiting block corresponds to the vertical block.

Compared with the prior art, the utility model has the advantages that:

1. in the device, the first blocking block and the second blocking block are arranged at the bottom of the horizontal block, so that the blocking of the pipe orifice of the U-shaped glass pipe can be realized when the cement specific surface area tester is not used, impurities such as dust can be prevented from entering the glass pipe, and the subsequent accurate measurement of the cement specific surface area tester can be ensured;

2. in this device, through setting up at vertical piece and stopper, can realize that the closing plate moves up along the seal of connecting pipe at the horizontal piece in-process of moving down to make the inside air of top entering gasbag along the connecting pipe in the horizontal piece, thereby can realize the inflation of gasbag, can realize the sealed storage of glass pipe, need not the manual extrusion flexible sealing piece moreover and can realize the seal to the glass pipe, can effectively avoid the damage of glass pipe.

Drawings

FIG. 1 is a schematic structural diagram of a specific surface area measurement device for cement according to the present utility model;

FIG. 2 is a front cross-sectional view of a sealing and shielding device part of a cement specific surface area measuring device according to the present utility model;

FIG. 3 is a side view of a portion of a sealing and shielding device of a specific surface area measurement device for cement according to the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1 detector body, 2 glass tube, 3 vertical plate, 4 horizontal plate, 5 pull rod, 6 horizontal piece, 7 first shutoff piece, 8 second shutoff piece, 9 vertical groove, 10 pair piece, 11 supporting shoe, 12 connecting spring, 13 closing plate, 14 vertical piece, 15 stopper, 16 mounting groove, 17 gasbag, 18 connecting pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a cement specific surface area measuring device comprises a detector body 1, wherein a glass tube 2 is arranged at the end part of the detector body 1, a vertical plate 3 is fixed at the upper end of the detector body 1, a horizontal plate 4 is fixed on the side wall of the vertical plate 3, a pull rod 5 is connected at the upper end of the horizontal plate 4 in a penetrating and sliding manner, a horizontal block 6 is fixed at the bottom of the pull rod 5, the horizontal block 6 abuts against the front end of the detector body 1, a first blocking block 7 and a second blocking block 8 are fixed at the bottom of the horizontal block 6, neither the first blocking block 7 nor the second blocking block 8 abuts against the inner wall of the glass tube 2, both the first blocking block 7 nor the second blocking block 8 correspond to the glass tube 2, and sealing shielding devices are arranged at the end parts of the first blocking block 7 and the second blocking block 8; two vertical grooves 9 are formed in the end part of the detector body 1, the inner walls of the two vertical grooves 9 are connected with pairing blocks 10 in a sliding mode, and the two pairing blocks 10 are fixed with the end part of the horizontal block 6; the end of the vertical plate 3 penetrates through the support block 11 in a sliding manner, the support block 11 is a T-shaped block, the end of the support block 11 is fixed to the side wall of the vertical plate 3 through a plurality of connecting springs 12, and the first blocking block 7 and the second blocking block 8 at the bottom of the horizontal block 6 can be used for shielding the U-shaped glass tube 2 when the cement specific surface area tester is not used, so that the entering of impurities such as dust can be avoided, and the accuracy of subsequent detection can be effectively guaranteed.

The sealing shielding device comprises a sealing plate 13 which is in sealing sliding connection with the inner wall of the horizontal block 6, a plurality of vertical blocks 14 are fixed at the upper end of the sealing plate 13, and the upper ends of the vertical blocks 14 penetrate through the upper part of the horizontal block 6 and are in sealing sliding connection with the horizontal block 6; the circumferential side walls of the first blocking piece 7 and the second blocking piece 8 are provided with mounting grooves 16, the mounting grooves 16 are annular grooves, the inner wall of each mounting groove 16 is fixedly provided with an air bag 17, the interiors of the first blocking piece 7 and the second blocking piece 8 are respectively provided with a connecting pipe 18, one end of each connecting pipe 18 penetrates into the horizontal block 6 and is in sealing sliding connection with the sealing plate 13, and the end part of each connecting pipe 18 penetrates into the air bag 17; the vertical piece 14 is T type piece, and the tip and the vertical board 3 lateral wall of vertical piece 14 offset, and the lateral wall of vertical board 3 is fixed with stopper 15, and stopper 15 corresponds with vertical piece 14, through setting up sealed shielding device, can realize glass pipe 2 both ends orificial sealed fast, need not the manual flexible sealing member of extrusion moreover and can realize the sealed to glass pipe 2, can effectively avoid the damage of glass pipe 2.

In the utility model, when the cement specific surface area tester is used, the pull rod 5 is pulled upwards to separate the first blocking block 7 and the second blocking block 8 at the bottom of the horizontal block 6 from the glass tube 2, when the horizontal block 6 reaches the position of the supporting block 11, the supporting block 11 is pulled to move away from the connecting spring 12, so that the connecting spring 12 can be stretched, after the supporting block 11 passes through the upper end of the horizontal block 6, the pull rod 5 is pulled upwards continuously, at the moment, the supporting block 11 is released, at the moment, under the action of the connecting spring 12 in the stretching state, the end part of the supporting block 11 can be propped against the end part of the horizontal block 6, and after the pull rod 5 drives the horizontal block 6 to completely pass through the upper end of the supporting block 11, the restoring of the supporting block 11 can be realized by utilizing the connecting spring 12 in the stretching state, so that the supporting block 11 can be utilized to realize the supporting of the horizontal block 6, and at the moment, the specific surface area of cement can be measured through the glass tube 2 and the tester body 1;

after the cement specific surface area tester is used, the supporting block 11 is moved to separate the supporting block 11 from the horizontal block 6, the horizontal block 6 is slowly moved downwards at the moment, the first blocking block 7 and the second blocking block 8 enter the inside of pipe openings at two ends of the glass pipe 2, after the vertical block 14 is propped against the limiting block 15 on the side wall of the vertical plate 3, the vertical block 14 can stay above the limiting block 15, at the moment, the upward movement of the sealing plate 13 along the inner wall of the horizontal block 6 can be realized, so that the air above the sealing plate 13 can enter the inside of the two air bags 17 along the two connecting pipes 18, the expansion of the air bags 17 can be realized, the sealing of pipe openings at two ends of the glass pipe 2 can be realized by using the expanded air bags 17, the dust and other impurities can be prevented from entering the inside of the glass pipe 2, the subsequent accurate use of the cement specific surface area tester can be conveniently realized, the sealing of the glass pipe 2 can be effectively avoided without manually extruding a flexible sealing piece, the breakage of the glass pipe 2 can be effectively avoided, and the continuous use of the glass pipe 2 can be conveniently realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a cement specific surface area survey device, includes detector body (1), its characterized in that, the tip of detector body (1) is provided with glass pipe (2), the upper end of detector body (1) is fixed with vertical board (3), the lateral wall of vertical board (3) is fixed with horizontal plate (4), sliding connection has pull rod (5) are run through to the upper end of horizontal plate (4), the bottom of pull rod (5) is fixed with horizontal piece (6), horizontal piece (6) offsets with detector body (1) front end, the bottom of horizontal piece (6) is fixed with first sprue (7) and second sprue (8), first sprue (7) and second sprue (8) all correspond with glass pipe (2), the tip of first sprue (7) and second sprue (8) all is provided with and shelters from sealing device.

2. The cement specific surface area measuring device according to claim 1, wherein two vertical grooves (9) are formed in the end portion of the detector body (1), the inner walls of the two vertical grooves (9) are connected with pairing blocks (10) in a sliding mode, and the two pairing blocks (10) are fixed with the end portion of the horizontal block (6).

3. The cement specific surface area measuring device according to claim 1, wherein the end part of the vertical plate (3) is connected with a supporting block (11) in a penetrating and sliding manner, the supporting block (11) is a T-shaped block, and the end part of the supporting block (11) is fixed with the side wall of the vertical plate (3) through a plurality of connecting springs (12).

4. The cement specific surface area measurement device according to claim 1, wherein the sealing shielding device comprises a sealing plate (13) in sealing sliding connection with the inner wall of the horizontal block (6), a plurality of vertical blocks (14) are fixed at the upper ends of the sealing plate (13), and the upper ends of the vertical blocks (14) penetrate through the upper part of the horizontal block (6) and are in sealing sliding connection with the upper part of the horizontal block.

5. The cement specific surface area measurement device according to claim 4, wherein the circumferential side walls of the first block (7) and the second block (8) are provided with mounting grooves (16), the inner wall of each mounting groove (16) is fixedly provided with an air bag (17), the interiors of the first block (7) and the second block (8) are respectively provided with a connecting pipe (18), one end of each connecting pipe (18) penetrates into the horizontal block (6) and is in sealing sliding connection with the sealing plate (13), and the end of each connecting pipe (18) penetrates into the air bag (17).

6. The cement specific surface area measurement device according to claim 5, wherein the vertical block (14) is a T-shaped block, an end of the vertical block (14) is abutted against a side wall of the vertical plate (3), a limiting block (15) is fixed on the side wall of the vertical plate (3), and the limiting block (15) corresponds to the vertical block (14).