CN213364514U

CN213364514U - Dustproof device of cement mortar fluidity tester

Info

Publication number: CN213364514U
Application number: CN202021270298.5U
Authority: CN
Inventors: 王遵兵; 王亚丹
Original assignee: Kunming Ruitong Concrete Admixture Co ltd
Current assignee: Kunming Ruitong Concrete Admixture Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-06-04
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a dustproof device of a cement mortar fluidity tester, which comprises a horizontal base and a tester, wherein the tester is fixedly arranged on a frame, the frame is fixedly arranged on the horizontal base, a disc desktop is fixedly arranged above the frame, a cylinder is arranged on the disc desktop, and cement mortar is arranged in the cylinder; a dust cover is arranged above the cylinder, is a semicircular cover body and is covered above the cylinder; the dust cover is fixedly arranged on a cross arm of the lifting rod, the lifting rod is arranged in the machine bin, the machine bin is fixedly arranged behind the horizontal base, and the machine bin is divided into an upper machine bin and a lower machine bin; the lower machine bin is a closed machine bin, and a power mechanism is arranged in the lower machine bin; the upper bin is provided with a lifting mechanism; the utility model discloses in the dust cover that has elevating system who sets up can prevent effectively that the dust from getting into the apparatus, have the beneficial effect of building a dustless environment for cement mortar fluidity apparatus at any time.

Description

Dustproof device of cement mortar fluidity tester

Technical Field

The utility model relates to a determinator specifically is a dust keeper of cement mortar fluidity apparatus.

Background

The cement mortar fluidity tester is also called as a cement fluidity electric jump table, and the cement mortar fluidity is a measure for representing the cement mortar fluidity. At a certain water addition, the fluidity of the cement mortar depends on the water requirement of the cement. Cement mortar fluidity is expressed in terms of the average diameter (mm) of the cement mortar spread on the flow table. At present, the fluidity of the cement mortar can be measured by a cement mortar fluidity tester. The fluidity test for a new standard GB/T2419-2005 'cement mortar fluidity determination method' released in 2005 is a uniquely specified instrument for the standard, and the work preparation process comprises the following steps: the mixed mortar is quickly loaded into a test mould in two layers, the first layer is loaded to the position about 2/3 of the height of a truncated cone round mould, a knife is used for respectively cutting 5 times in two mutually vertical directions, a tamper is used for uniformly tamping 15 times from the edge to the center, then the second layer of mortar is loaded, the mortar is loaded to the position about 20mm higher than the truncated cone round mould, a knife is used for respectively cutting 5 times in two mutually vertical directions, the tamper is used for uniformly tamping 10 times from the edge to the center, after tamping, the mortar is slightly higher than the truncated cone round mould, the tamping depth is that the height of the mortar is 1/2 when the first layer is tamped to the height of the mortar, and the tamping pressure of the second layer is not more than the surface of the tamped bottom layer.

Because the cement mortar fluidity tester is a precise instrument and needs to be placed in a dustless and non-corrosive normal-temperature environment at ordinary times, but because the strict dustless and non-corrosive normal-temperature environment does not exist, a dustproof device needs to be additionally arranged on the cement mortar fluidity tester to create a dustless environment for the cement mortar fluidity tester.

Therefore, the inventor provides a dustproof device of a cement mortar fluidity measuring instrument by combining various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust keeper of cement mortar fluidity apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dustproof device of a cement mortar fluidity tester comprises a horizontal base and a tester, wherein the tester is fixedly arranged on a rack, the rack is fixedly arranged on the horizontal base, a disc table top is fixedly arranged above the rack, a cylinder is arranged on the disc table top, and cement mortar is filled in the cylinder; and a dust cover is arranged above the cylinder, is a semicircular cover body and is covered above the cylinder.

As a further aspect of the present invention: the dust cover is fixedly arranged on a cross arm of the lifting rod, the lifting rod is arranged in the machine bin, the machine bin is fixedly arranged behind the horizontal base, and the machine bin is divided into an upper machine bin and a lower machine bin; the lower machine bin is a closed machine bin, and a power mechanism is arranged in the lower machine bin; the upper machine cabin is a semi-closed machine cabin, and the upper machine cabin is provided with a lifting mechanism.

As a further aspect of the present invention: the power mechanism comprises a servo motor and a speed reducer, the servo motor is fixedly arranged on the inner wall of the lower machine bin, and the speed reducer is fixedly arranged on the inner wall of the lower machine bin; the servo motor is provided with an output shaft, and the output shaft connects the motor and the speed reducer together; the pivot is installed to the reduction gear other end, pivot movable mounting is on the axle sleeve, axle sleeve fixed mounting is at lower cabin top.

As a further aspect of the present invention: the lifting mechanism comprises a screw rod, the bottom of the screw rod is movably arranged on the shaft sleeve, the top of the screw rod is movably arranged on the shaft seat, and the shaft seat is fixedly arranged on the top of the upper machine bin; a sliding rod is arranged at the right side of the screw rod and is parallel to the screw rod, the vertical position of the screw rod is provided with the sliding rod, the top of the sliding rod is fixedly arranged at the top of the upper machine cabin, and the bottom of the sliding rod is fixedly arranged at the top of the lower machine cabin; a screw rod nut is movably mounted on the screw rod, and a sliding barrel is movably mounted on the sliding rod; and the right side of the feed screw nut and the left side of the sliding cylinder are fixedly connected together through a connecting block.

As a further aspect of the present invention: the right side of the sliding barrel is fixedly provided with a mounting plate, and the mounting plate is fixedly mounted with the lifting rod.

As a further aspect of the present invention: the dust cover is provided with a dust collection device, the dust collection device comprises a miniature dust collector, the miniature dust collector is arranged above the dust cover, and the miniature dust collector is fixedly arranged at the top end of a cross arm of the lifting rod through a mounting seat; install the dust absorption pipeline on the dust catcher, the dust absorption pipeline other end passes the dust cover top and stretches into inside the dust cover, the dust absorption pipeline is located dust cover one end and installs the dust absorption mouth, makes things convenient for the dust absorption.

As a further aspect of the present invention: the dust cover internally mounted has the filter mantle, the filter mantle covers the dust absorption mouth and connects, the filter mantle is big mesh filter mantle, conveniently filters big particulate matter, prevents that large granule thing from blockking up miniature dust catcher.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a dust keeper of cement mortar fluidity apparatus, the structure sets up ingenious and arrange rationally, the utility model discloses in the dust cover that has elevating system who sets up can prevent effectively that the dust from getting into the apparatus, have the beneficial effect of building a dustless environment for cement mortar fluidity apparatus at any time.

2. The utility model discloses further miniature dust catcher have and absorb out the built-in a small amount of dust of apparatus, have clean dust removal's beneficial effect.

3. The utility model discloses a further the filter mantle connect the dust absorption mouth cover, the filter mantle is big mesh filter mantle, conveniently filters big particulate matter, has the beneficial effect that prevents that large granule thing from blockking up miniature dust catcher.

Drawings

Fig. 1 is a schematic structural view of a dust-proof device of a cement mortar fluidity measuring instrument.

Fig. 2 is a sectional view of a machine room in a dust-proof device of a cement mortar fluidity measuring instrument.

FIG. 3 is a schematic structural view showing a dust cover and a dust collector installed in cooperation in a dust-proof device of a cement mortar fluidity measuring apparatus.

In the figure: 1. a horizontal base; 2. a frame; 3. a measuring device; 4. a disc tabletop; 5. a cylinder; 6. a dust cover; 7. a lifting rod; 8. a machine cabin; 9. a servo motor; 10. an output shaft; 11. a speed reducer; 12. a rotating shaft; 13. mounting a plate; 14. a slide cylinder; 15. a slide bar; 16. a shaft seat; 17. connecting blocks; 18. a feed screw nut; 19. a screw shaft; 20. a shaft sleeve; 21. a mounting seat; 22. a miniature dust collector; 23. a dust collection duct; 24. a dust suction nozzle; 25. and (6) a filter cover.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: referring to fig. 1-2, a dust-proof device of a cement mortar fluidity tester comprises a horizontal base 1 and a tester 3, wherein the tester 3 is fixedly installed on a frame 2, the frame 2 is fixedly installed on the horizontal base 1, a disc table top 4 is fixedly installed above the frame 2, a cylinder 5 is installed on the disc table top 4, and cement mortar is contained in the cylinder 5; a dust cover 6 is arranged above the cylinder 5, and the dust cover 6 is a semicircular cover body and is covered above the cylinder 5; the dust cover 6 is fixedly arranged on a cross arm of a lifting rod 7, the lifting rod 7 is arranged in a machine cabin 8, the machine cabin 8 is fixedly arranged behind the horizontal base 1, and the machine cabin 8 is divided into an upper machine cabin and a lower machine cabin; the lower machine bin is a closed machine bin, and a power mechanism is arranged in the lower machine bin; the upper machine bin is arranged in the semi-closed machine bin, and the upper machine bin is provided with a lifting mechanism; the power mechanism comprises a servo motor 9 and a speed reducer 11, the servo motor 9 is fixedly arranged on the inner wall of the lower machine cabin, and the speed reducer 11 is fixedly arranged on the inner wall of the lower machine cabin; an output shaft 10 is arranged on the servo motor 9, and the motor and a speed reducer 11 are connected together through the output shaft 10; the other end of the speed reducer 11 is provided with a rotating shaft 12, the rotating shaft 12 is movably arranged on a shaft sleeve 20, and the shaft sleeve 20 is fixedly arranged at the top of the lower cabin; the lifting mechanism comprises a screw rod 19, the bottom of the screw rod 19 is movably arranged on a shaft sleeve 20, the top of the screw rod 19 is movably arranged on a shaft seat 16, and the shaft seat 16 is fixedly arranged on the top of the upper machine cabin; a slide rod 15 is arranged at the right side of the screw rod 19 and is parallel to the screw rod 19, the vertical position of the screw rod is provided with the slide rod 15, the top of the slide rod 15 is fixedly arranged at the top of the upper machine cabin, and the bottom of the slide rod 15 is fixedly arranged at the top of the lower machine cabin; a feed screw nut 18 is movably mounted on the screw rod 19, and a sliding barrel 14 is movably mounted on the sliding rod 15; the right side of the feed screw nut 18 and the left side of the sliding cylinder 14 are fixedly connected together through a connecting block 17; and a mounting plate 13 is fixedly mounted on the right side of the sliding barrel 14, and the mounting plate 13 and the lifting rod 7 are fixedly mounted together.

The utility model discloses a theory of operation is: when the dust cover lifting device works, the dust cover 6 covered on the cylinder 5 is lifted upwards firstly, and the specific principle is as follows: the servo motor 9 is started, the servo motor 9 transmits output constant torque to the speed reducer 11 through the output shaft 10, the speed reducer 11 increases the torque, the increased torque is transmitted to the lead screw 19 through the rotating shaft 12 and the shaft sleeve 20, the lead screw 19 starts to rotate, at this time, the lead screw nut 18 on the lead screw 19 is fixedly installed with the sliding cylinder 14 movably installed on the sliding rod 15 through the connecting block 17, so that the lead screw nut 18 is limited in rotating motion, the lead screw nut 18 only can vertically move along the lead screw 19, the sliding cylinder 14 is driven to vertically move along the sliding rod 15, the lifting rod 7 and the dust cover 6 are driven to ascend, and the cylinder 5 is exposed; then, the fluidity of the cement mortar is measured according to a specified method and sequence, and the cement mortar is cleaned and wiped to dry the measuring instrument after the measurement is finished; and finally, starting the servo motor 9 again to cover the dust cover 6 on the cylinder 5 by using the lifting mechanism for dust prevention treatment.

Example two: referring to fig. 3, the only difference between the present embodiment and the present embodiment is: a dust collection device is arranged on the dust cover 6 and comprises a micro dust collector 22, the micro dust collector 22 is arranged above the dust cover 6, and the micro dust collector 22 is fixedly arranged at the top end of the cross arm of the lifting rod 7 through a mounting seat 21; a dust suction pipeline 23 is installed on the dust collector, the other end of the dust suction pipeline 23 penetrates through the top end of the dust cover 6 and extends into the dust cover 6, and a dust suction nozzle 24 is installed at one end, located in the dust cover 6, of the dust suction pipeline 23, so that dust suction is facilitated; the dust cover 6 is internally provided with a filter cover 25, the filter cover 25 covers the dust suction nozzle 24, and the filter cover 25 is a large mesh filter cover 25, so that large particles can be conveniently filtered, and the micro dust collector 22 can be prevented from being blocked by large particles.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A dustproof device of a cement mortar fluidity tester comprises a horizontal base (1) and a tester (3), wherein the tester (3) is fixedly arranged on a rack (2), the rack (2) is fixedly arranged on the horizontal base (1), a disc table top (4) is fixedly arranged above the rack (2), a cylinder (5) is arranged on the disc table top (4), and cement mortar is placed in the cylinder (5); the dust-proof device is characterized in that a dust-proof cover (6) is arranged above the cylinder (5), the dust-proof cover (6) is a semicircular cover body and is covered above the cylinder (5);

the dust cover (6) is fixedly arranged on a cross arm of the lifting rod (7), the lifting rod (7) is arranged in the machine bin (8), the machine bin (8) is fixedly arranged behind the horizontal base (1), and the machine bin (8) is divided into an upper machine bin and a lower machine bin; the lower machine bin is a closed machine bin, and a power mechanism is arranged in the lower machine bin; the upper machine cabin is a semi-closed machine cabin, and the upper machine cabin is provided with a lifting mechanism.

2. The dustproof device of the cement mortar fluidity tester according to claim 1, wherein the power mechanism comprises a servo motor (9) and a speed reducer (11), the servo motor (9) is fixedly installed on the inner wall of the lower bin, and the speed reducer (11) is fixedly installed on the inner wall of the lower bin; an output shaft (10) is mounted on the servo motor (9), and the motor and the speed reducer (11) are connected together through the output shaft (10); the rotating shaft (12) is installed at the other end of the speed reducer (11), the rotating shaft (12) is movably installed on the shaft sleeve (20), and the shaft sleeve (20) is fixedly installed at the top of the lower cabin.

3. The dust-proof device of the cement mortar fluidity tester according to claim 1, wherein the lifting mechanism comprises a lead screw (19), the bottom of the lead screw (19) is movably mounted on a shaft sleeve (20), the top of the lead screw (19) is movably mounted on a shaft seat (16), and the shaft seat (16) is fixedly mounted on the top of the upper machine bin; a sliding rod (15) is arranged at the right side of the screw rod (19) and is parallel to the screw rod (19) and is arranged at the vertical position, the top of the sliding rod (15) is fixedly installed at the top of the upper machine cabin, and the bottom of the sliding rod (15) is fixedly installed at the top of the lower machine cabin; a feed screw nut (18) is movably mounted on the screw rod (19), and a sliding barrel (14) is movably mounted on the sliding rod (15); the right side of the feed screw nut (18) and the left side of the sliding cylinder (14) are fixedly connected together through a connecting block (17).

4. The dust-proof device of the cement mortar fluidity tester according to claim 3, characterized in that the mounting plate (13) is fixedly mounted on the right side of the sliding cylinder (14), and the mounting plate (13) is fixedly mounted with the lifting rod (7).

5. The dust-proof device of the cement mortar fluidity tester according to any of the claims 1 to 4, characterized in that the dust-proof cover (6) is provided with a dust-absorbing device, the dust-absorbing device comprises a micro dust collector (22), the micro dust collector (22) is arranged above the dust-proof cover (6), the micro dust collector (22) is fixedly arranged at the top end of the cross arm of the lifting rod (7) through a mounting seat (21); install dust absorption pipeline (23) on the dust catcher, dust absorption pipeline (23) other end passes dust cover (6) top and stretches into inside dust cover (6), dust absorption pipeline (23) are located dust cover (6) in one end install dust absorption mouth (24).

6. The dust-proof device of the cement mortar fluidity tester according to claim 5, characterized in that the dust-proof cover (6) is internally provided with a filter cover (25), the filter cover (25) covers the dust suction nozzle (24), and the filter cover (25) is a large mesh filter cover (25).