CN216247599U

CN216247599U - Cement-based mortar fluidity testing device capable of testing accurately

Info

Publication number: CN216247599U
Application number: CN202122750021.3U
Authority: CN
Inventors: 于学超; 张宁; 刘玉玲; 于广利
Original assignee: Hesheng Nord Tianjin New Material Technology Development Co ltd
Current assignee: Hesheng Nord Tianjin New Material Technology Development Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-08
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a cement-based mortar fluidity testing device capable of testing accurately, which comprises a base and a glass testing disc positioned on the top of the base, wherein a lifting mechanism is arranged above the base; elevating system locates the sleeve on the lead screw, the cover at base top, the cover is located the lead screw and is located the spring of sleeve below, the cover is located the lead screw and is located the first nut of sleeve top, set up in the positive crossbeam of sleeve lateral wall, set up in the crossbeam keep away from the mobility examination mould of sleeve one end, the symmetry sets up in the curb plate of crossbeam both sides, run through in curb plate both ends and with the fixed slide bar of base mutually, the scale mark has been seted up on the slide bar, the lead screw is located the base upper surface along the width direction midline, and the lead screw is located the rear of glass test dish. Only need operating personnel to pay attention to the adjustment time of mobility examination mould, need not people pay attention to adjustment time and height-adjusting simultaneously, reduce the degree of difficulty of actual operation, it is very convenient.

Description

Cement-based mortar fluidity testing device capable of testing accurately

Technical Field

The utility model relates to the technical field of cement mortar fluidity test, in particular to a cement-based mortar fluidity test device capable of testing accurately.

Background

The cement-base self-leveling mortar is a cement base made of silicate cement and active mother material excitant. The self-leveling mortar comprises cement-based self-leveling/self-leveling mortar/leveling mortar and the like, and is a product with high technological content and relatively complex technical links.

At present, the fluidity test of cement-based self-leveling mortar is carried out according to JCT985-2017 ground cement-based self-leveling mortar (recorded as a first method), and the standard requirements are that after a prepared sample is filled with a fluidity test mold, redundant slurry at the upper opening of the test mold is scraped, the sample is vertically lifted upwards within 2s by 50-100 mm, the sample is automatically flowed for 10 s-15 s for 4min, the diameters of two vertical directions are measured, and the arithmetic mean value is taken as a measured value.

Therefore, a testing device for testing the fluidity of cement-based mortar with precision is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the cement-based mortar fluidity testing device capable of testing accurately, the device can move on a sliding rod with scale marks through a side plate in advance, so that the distance between a fluidity test mold and a glass testing disc can be in a testing range, the position of a first nut on a screw rod is adjusted, the filled fluidity test mold is jacked up under the action of a spring until the top of a sleeve is contacted with the top of the first nut, the height adjustment of the fluidity test mold can be completed, an operator only needs to pay attention to the adjustment time of the fluidity test mold, the adjustment time and the adjustment height do not need to be paid attention to by people at the same time, the difficulty of actual operation is reduced, and the device is very convenient.

In order to solve the technical problems, the utility model provides the following technical scheme: a cement-based mortar fluidity testing device capable of testing accurately comprises a base and a glass testing disc positioned on the top of the base, wherein a lifting mechanism is arranged above the base;

elevating system locates the sleeve on the lead screw, the cover at base top, the cover is located the lead screw and is located the spring of sleeve below, the cover is located the lead screw and is located the first nut of sleeve top, set up in the positive crossbeam of sleeve lateral wall, set up in the crossbeam keep away from the mobility examination mould of sleeve one end, the symmetry sets up in the curb plate of crossbeam both sides, run through in curb plate both ends and with the fixed slide bar of base mutually, the scale mark has been seted up on the slide bar, the lead screw is located the base upper surface along the width direction midline, and the lead screw is located the rear of glass test dish.

As a preferable technical scheme, one end of the cross beam, which is far away from the sleeve, is provided with a ring seat, two sides of the top of the ring seat are symmetrically provided with grooves, the center of the bottom wall of each groove is provided with a stud, two sides of the fluidity test die are symmetrically provided with lug plates, the lug plates are provided with insertion holes matched with the studs, and the end parts of the studs are provided with second nuts.

As a preferred technical scheme of the utility model, the axes of the glass test disc, the fluidity test mould and the ring seat are coincident.

As a preferable technical scheme of the utility model, both ends of the spring are provided with protective washers.

As a preferable technical scheme of the utility model, a buffer washer is sleeved between the sleeve and the first nut on the screw rod.

As a preferred technical scheme of the utility model, the bottom of the glass test disc is annularly arrayed with slots, and the upper surface of the base is provided with insertion rods matched with the slots.

As a preferable technical scheme of the utility model, foot pads are arranged at four corners of the bottom of the base.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the distance between the fluidity test mold and the glass test disc can be within a test range by moving the side plate on the sliding rod with the scale marks in advance, the position of the first nut on the screw rod is adjusted, the filled fluidity test mold is jacked up under the action of the spring until the top of the sleeve is contacted with the top of the first nut, the height adjustment of the fluidity test mold can be completed, only an operator needs to pay attention to the adjustment time of the fluidity test mold, and people do not need to pay attention to the adjustment time and the adjustment height at the same time, so that the difficulty of actual operation is reduced, and the device is very convenient;

2. put into the recess with the otic placode in, the double-screw bolt inserts in the jack, installs the second nut on the double-screw bolt to fixing the mobility examination mould in the ring seat, can adopting the detachable structure to try the mould with the mobility and install on the crossbeam, the device of being convenient for uses up the back, conveniently lifts off the mobility examination mould from the device, the washing operation of the mobility examination mould of being convenient for.

Drawings

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

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

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

FIG. 4 is a schematic view of the structure of FIG. 1A according to the present invention.

Wherein: 1. a base; 2. a glass test tray; 3. a screw rod; 4. a sleeve; 5. a spring; 6. a first nut; 7. a cross beam; 8. testing the fluidity; 9. a side plate; 10. a slide bar; 11. a ring seat; 12. a groove; 13. a stud; 14. an ear plate; 15. a jack; 16. a slot; 17. inserting a rod; 18. a second nut.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, a cement-based mortar fluidity testing device for testing accuracy comprises a base 1 and a glass testing disc 2 positioned on the top of the base 1, wherein a lifting mechanism is arranged above the base 1;

the lifting mechanism comprises a screw rod 3 arranged at the top of the base 1, a sleeve 4 sleeved on the screw rod 3, a spring 5 sleeved on the screw rod 3 and positioned below the sleeve 4, a first nut 6 sleeved on the screw rod 3 and positioned above the sleeve 4, a cross beam 7 arranged on the front side of the side wall of the sleeve 4, a fluidity test mold 8 arranged at one end of the cross beam 7 far away from the sleeve 4, side plates 9 symmetrically arranged at two sides of the cross beam 7, a slide bar 10 penetrating through two ends of the side plates 9 and fixed with the base 1, scale marks are arranged on the slide bar 10, the screw rod 3 is positioned on the upper surface of the base 1 along the width direction middle line, and the screw rod 3 is positioned at the rear part of the glass test disc 2;

rotating a first nut 6 to match with a screw rod 3, driving a beam 7 and a side plate 9 to ascend under the action of a spring 5, enabling the distance between a fluidity test mold 8 and a glass test disc 2 to be within a range of fifty millimeters and one hundred millimeters according to the position of a slide rod 10 with scale marks on the side plate 9, stopping rotating the first nut 6, pressing the beam 7 downwards, enabling a sleeve 4 to compress the spring 5, enabling the bottom of the fluidity test mold 8 to be attached to the glass test disc 2, then pouring cement-based mortar into the fluidity test mold 8, after the pouring is finished, pressing the beam 7 with hands and slowly releasing force to enable the sleeve 4 to be in contact with the bottom of the first nut 6, waiting for four minutes, then measuring and calculating the cement-based mortar on the glass test disc 2, and moving the slide rod 10 with the scale marks on the side plate 9 in advance to enable the distance between the fluidity test mold 8 and the glass test disc 2 to be within a test range, adjust first nut 6 position on lead screw 3, the degree of flow that will fill under spring 5 accomplishes tries mould 8 jack-up, contacts until 4 tops of sleeve and 6 tops of first nut, just can accomplish the degree of flow and try mould 8 altitude mixture control, only needs operating personnel to notice the adjust time of degree of flow examination mould 8, does not need people to notice adjust time and height-adjusting simultaneously, reduces actual operation's the degree of difficulty, and is very convenient.

In other embodiments, a ring seat 11 is arranged at one end of the cross beam 7 away from the sleeve 4, grooves 12 are symmetrically formed in two sides of the top of the ring seat 11, a stud 13 is arranged in the center of the bottom wall of each groove 12, ear plates 14 are symmetrically arranged on two sides of the fluidity test mold 8, each ear plate 14 is provided with a jack 15 matched with the stud 13, and a second nut 18 is arranged at the end of each stud 13;

put into recess 12 with otic placode 14, in stud 13 inserts jack 15, install second nut 18 on stud 13 to fix fluidity examination mould 8 in ring seat 11, can adopt detachable structure to install fluidity examination mould 8 on crossbeam 7, the device of being convenient for uses up the back, conveniently lifts mobility examination mould 8 from the device off, the cleaning operation of mobility examination mould 8 of being convenient for.

In other embodiments, the axes of the glass test disc 2, the fluidity test pattern 8 and the ring seat 11 coincide; the cement-based mortar falling from the fluidity test mold 8 falls on the center of the top of the glass test disc 2, and the fluidity measurement is ensured to be carried out smoothly.

In other embodiments, both ends of the spring 5 are provided with a protective washer; the two ends of the spring 5 are protected, and the service life of the spring 5 is prolonged.

In other embodiments, a buffer washer is sleeved on the screw rod 3 between the sleeve 4 and the first nut 6; the impact effect when the sleeve 4 is in contact with the first nut 6 can be reduced.

In other embodiments, the bottom of the glass test disc 2 is annularly arrayed with slots 16, and the upper surface of the base 1 is provided with insertion rods 17 matched with the slots 16; the glass test tray 2 can be fixed to the base 1 and the glass test tray 2 can be detached from the base 1.

In other embodiments, foot pads are arranged at four corners of the bottom of the base 1; the stability of the base 1 is improved.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It should be noted that, the electric components in the present application, such as the power unit, the first motor, the second motor, and the like, are all connected to the external controller, and the external controller is the prior art, and the present application does not improve the present application, so that it is not necessary to disclose the specific model, the circuit structure, and the like of the external controller, and the integrity of the present application is not affected.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test accurate cement base mortar mobility testing arrangement, includes base (1) and glass test disc (2) that are located base (1) top, its characterized in that: a lifting mechanism is arranged above the base (1);

elevating system locates sleeve (4) on lead screw (3) including setting up in lead screw (3), the cover at base (1) top, cover and locates lead screw (3) and be located spring (5) of sleeve (4) below, cover and locate lead screw (3) and be located first nut (6) of sleeve (4) top, set up in positive crossbeam (7) of sleeve (4) lateral wall, set up in crossbeam (7) and keep away from mobile degree examination mould (8) of sleeve (4) one end, the symmetry sets up in curb plate (9) of crossbeam (7) both sides, runs through in curb plate (9) both ends and with slide bar (10) that base (1) was fixed mutually, the scale mark has been seted up on slide bar (10), lead screw (3) are located base (1) upper surface along the width direction mean line, and lead screw (3) are located the rear of glass test dish (2).

2. The cement-based mortar fluidity testing device for accurately testing the cement-based mortar according to claim 1, which is characterized in that: the one end that sleeve (4) was kept away from in crossbeam (7) is provided with ring seat (11), and ring seat (11) top bilateral symmetry sets up recess (12), and recess (12) diapire center is provided with double-screw bolt (13), the bilateral symmetry of mobility examination mould (8) is provided with otic placode (14), and otic placode (14) set up with jack (15) of double-screw bolt (13) looks adaptation, second nut (18) are installed to the tip of double-screw bolt (13).

3. The cement-based mortar fluidity testing device for testing accuracy according to claim 2, which is characterized in that: the axes of the glass test disc (2), the fluidity test mold (8) and the ring seat (11) are overlapped.

4. The cement-based mortar fluidity testing device for accurately testing the cement-based mortar according to claim 1, which is characterized in that: and both ends of the spring (5) are provided with protective washers.

5. The cement-based mortar fluidity testing device for accurately testing the cement-based mortar according to claim 1, which is characterized in that: and a buffer washer is sleeved between the sleeve (4) and the first nut (6) of the screw rod (3).

6. The cement-based mortar fluidity testing device for accurately testing the cement-based mortar according to claim 1, which is characterized in that: the bottom of the glass test disc (2) is annularly arrayed with slots (16), and the upper surface of the base (1) is provided with insertion rods (17) matched with the slots (16).

7. The cement-based mortar fluidity testing device for accurately testing the cement-based mortar according to claim 1, which is characterized in that: foot pads are arranged at four corners of the bottom of the base (1).