CN218067972U

CN218067972U - Automatic measuring device for cement setting time

Info

Publication number: CN218067972U
Application number: CN202023147604.9U
Authority: CN
Inventors: 张玉华; 崔建新; 徐志铭
Original assignee: Inner Mongolia Zhuoxin Construction Engineering Testing Co ltd
Current assignee: Inner Mongolia Zhuoxin Construction Engineering Testing Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-12-16
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an automatic measuring device for cement setting time, which comprises a base, wherein one side of the top of the base is provided with an installation bin A, the front end of the installation bin A is provided with a control panel, the top of the installation bin A is provided with a servo motor, the output end of the servo motor extends to the inside of the installation bin A and is provided with a threaded rod, the outer side of the threaded rod is provided with an internal thread sleeve pipe, the inside of one side of the inner wall of the installation bin A is provided with a chute, and the inside of the chute is provided with a sliding block; the utility model discloses a mutually supporting between servo motor, installation storehouse A, spout, slider, internal thread sleeve pipe, threaded rod, connecting rod A, electro-magnet, installation piece and the laser range finder has realized the automatic measure function to cement setting time to through the measurement of laser range finder to the distance of probe, with data transmission to information terminal, thereby reduced artifical measuring process.

Description

Automatic measuring device for cement setting time

The technical field is as follows:

the utility model relates to a cement equipment technical field specifically is an automatic measuring device for cement setting time.

Background art:

cement setting time is one of the important parameters for the physical properties of cement. The cement coagulation refers to the process that cement is mixed into standard cement paste after being added with water, and the standard cement paste is converted from a plastic state to a solid state with certain strength. The time that cement loses plasticity is called the initial setting time; the time at which the cement begins to develop some strength is called the final set time. The current standard adopted in China is GB/T1346 detection method for water consumption, setting time and stability of standard consistency of cement, wherein the determination of the setting time has the following regulations: inserting a test needle with the diameter of phi 1.13mm into cement paste with the thickness of 40mm in a free-fall state, and when the sunk paste is 4mm +/-1 mm away from the bottom plate (the sunk depth is 36mm +/-1 mm), enabling the cement to reach an initial setting state; and a final coagulation state when the test needle is immersed in the test body by 0.5 mm. The total mass of the test needle in a slidable state is 300g +/-1 g.

The existing cement setting time testing device is various, but still has the obvious problems: 1. in the prior art, most of cement setting time testing devices adopt manual measurement, and the test is required to be carried out for 600 minutes according to GB/T1346 detection method for water consumption, setting time and stability of standard consistency of cement, which is troublesome and laborious, so that a structural device capable of automatically measuring the cement setting time is required; 2. in the existing cement setting time measuring devices, cement slurry water is mostly poured into a test mold, and then the test mold is placed on a test mold tray, and in the placing process of the test mold, the test mold needs to be clamped and fixed, so that a clamping structural device is needed; 3. the existing cement setting time testing device adopts a probe depth measuring mode, and after the probe finishes measurement, the surface of the probe needs to be cleaned, so that a structural device capable of cleaning the probe is needed.

The utility model has the following contents:

an object of the utility model is to provide an automatic measuring device for cement setting time to solve the not enough of prior art.

The utility model discloses by following technical scheme implement: an automatic measuring device for cement setting time comprises a base, wherein an installation bin A is arranged on one side of the top of the base, a control panel is arranged at one end of the front face of the installation bin A, a servo motor is arranged on the top of the installation bin A, the output end of the servo motor extends into the installation bin A and is provided with a threaded rod, an internal thread sleeve is arranged on the outer side of the threaded rod, a sliding groove is formed in the inner wall of the installation bin A, a sliding block is arranged in the sliding groove, one side of the sliding block extends to the outer portion of the sliding groove and is mutually connected with the internal thread sleeve, a connecting rod A is arranged on one side, away from the sliding block, of the internal thread sleeve, one side of the connecting rod A extends to the outer portion of the installation bin A and is provided with an installation block, an electromagnet is arranged at the bottom of the installation block, and a laser range finder is arranged at the bottom of one end of the front face of the installation block, a probe is arranged at the middle position of the bottom of the electromagnet, an electric telescopic rod is arranged at one side of the bottom of the connecting rod A close to the mounting block, a connecting rod B is arranged at the bottom of the electric telescopic rod, a clamping block is arranged at one side of the connecting rod B, the clamping block is sleeved on the outer side of the probe, a test mold fixing tray is arranged at the middle position of the top of the base, a test mold is arranged at the top of the test mold fixing tray, mounting bins B are arranged at two sides of the interior of the test mold fixing tray, partition plates are symmetrically arranged at the middle position of the interior of the test mold fixing tray, a spring B is arranged at the middle position of the bottom of the interior of the test mold fixing tray, a connecting block is arranged at the top of the spring B, racks are arranged at two sides of the connecting block, and the top of the connecting block extends to the outer side of the test mold fixing tray and is provided with a top plate, the roof laminates with the examination mould mutually, the common symmetry in intermediate position department at the inside both ends of examination mould fixed tray is provided with the center pin, the intermediate position department in the center pin outside is provided with the gear, and gear and rack intermeshing, the both ends symmetry in the center pin outside is provided with the rope sheave, the outside winding of rope sheave is provided with wire rope, a side symmetry of baffle is provided with spring A, one side of spring A is provided with the limiting plate jointly, one side of limiting plate is provided with U type clamping bar, the one end that the limiting plate was kept away from to U type clamping bar extends to the outside of examination mould fixed tray and blocks mutually with the examination mould, wire rope keeps away from the one end of rope sheave and runs through the baffle and interconnect with the limiting plate, control panel passes through the wire and is connected with servo motor, electric telescopic handle, electro-magnet and laser range finder electricity respectively.

Preferably, a hard rubber arc-shaped scraper is arranged on one side, close to the probe, in the clamping block.

Preferably, a groove is formed in the middle of the top of the test mold fixing tray.

Preferably, the middle positions of the two sides of the test mold are provided with limit grooves, and the two sides inside the test mold are provided with slope plates.

Preferably, an installation seat is arranged between the bottom of the servo motor and the installation bin A, and a damping gasket is arranged at the bottom of the installation seat.

Preferably, the four corners department of base bottom all is provided with the supporting leg, and the bottom of supporting leg all is provided with anti-skidding gasket.

The utility model has the advantages that: the automatic measuring device for the cement setting time can realize the automatic detection function of the cement setting time, the combination of a test mold and a test mold tray is tighter by optimizing the placement structure, the stability of the test mold is ensured, the surface of the probe is kept clean by further adding a cleaning scraper of the probe, and the accuracy of the probe is further ensured;

1. the automatic measurement function of the cement setting time is realized through the mutual matching of the servo motor, the mounting bin A, the sliding groove, the sliding block, the internal thread sleeve, the threaded rod, the connecting rod A, the electromagnet, the mounting block and the laser range finder, so that the data are transmitted to the information terminal through the measurement of the distance of the laser range finder to the probe, and the manual measurement process is reduced;

2. through the mutual matching among the limiting plate, the U-shaped clamping rod, the spring A, the steel wire rope, the partition plate, the rope pulley, the spring B, the central shaft, the gear, the connecting block, the top plate and the rack, the clamping function of the test mold is realized, so that the stability of the position of the test mold is ensured, and the measured data is more accurate;

3. through mutually supporting between clamp splice, electric telescopic handle and the connecting rod B, locate the outside of probe through the clamp splice cover to realized the clean function to the probe surface, made the surface of probe keep clean, avoided cement to condense and lead to probe detection error's production.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a top cross-sectional view of the test mold fixing tray of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B of fig. 2 according to the present invention;

fig. 6 is a top cross-sectional view of the clamp block of fig. 1 according to the present invention.

In the figure: 1. a base; 2. testing the mold and fixing the tray; 3. a U-shaped clamping rod; 4. testing a mold; 5. a probe; 6. a clamping block; 7. an electromagnet; 8. a laser range finder; 9. mounting blocks; 10. a connecting rod A; 11. an electric telescopic rod; 12. a connecting rod B; 13. a servo motor; 14. installing a bin A; 15. a control panel; 16. a chute; 17. a slider; 18. an internally threaded sleeve; 19. a threaded rod; 20. installing a bin B; 21. a limiting plate; 22. a spring A; 23. a wire rope; 24. a partition plate; 25. a sheave; 26. a spring B; 27. a central shaft; 28. a gear; 29. connecting blocks; 30. a top plate; 31. a rack.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: an automatic measuring device for cement setting time comprises a base 1, wherein one side of the top of the base 1 is provided with an installation bin A14, one end of the front surface of the installation bin A14 is provided with a control panel 15, the top of the installation bin A14 is provided with a servo motor 13, the output end of the servo motor 13 extends into the installation bin A14 and is provided with a threaded rod 19, the outer side of the threaded rod 19 is provided with an internal thread sleeve 18, the inner side of the inner wall of the installation bin A14 is provided with a sliding chute 16, the inner part of the sliding chute 16 is provided with a sliding block 17, one side of the sliding block 17 extends to the outer part of the sliding chute 16 and is mutually connected with the internal thread sleeve 18, one side of the internal thread sleeve 18 far away from the sliding block 17 is provided with a connecting rod A10, one side of the connecting rod A10 far away from the internal thread sleeve 18 extends to the outer part of the installation bin A14 and is provided with an installation block 9, the bottom of the installation block 9 is provided with an electromagnet 7, the bottom of one end of the front surface of the installation block 9 is provided with a laser range finder 8, a probe 5 is arranged at the middle position of the bottom of the electromagnet 7, an electric telescopic rod 11 is arranged at one side of the bottom of the connecting rod A10 close to the mounting block 9, a connecting rod B12 is arranged at the bottom of the electric telescopic rod 11, a clamping block 6 is arranged at one side of the connecting rod B12, the clamping block 6 is sleeved outside the probe 5, a test mold fixing tray 2 is arranged at the middle position of the top of the base 1, a test mold 4 is arranged at the top of the test mold fixing tray 2, mounting bins B20 are arranged at two sides inside the test mold fixing tray 2, partition plates 24 are symmetrically arranged at the middle position inside the test mold fixing tray 2, a spring B26 is arranged at the middle position of the bottom inside the test mold fixing tray 2, a connecting block 29 is arranged at the top of the spring B26, racks 31 are arranged at two sides of the connecting block 29, the top of the connecting block 29 extends to the outside of the test mold fixing tray 2 and is provided with a top plate 30, the top plate 30 and the test mold 4 are mutually attached, the central shaft 27 is symmetrically arranged at the middle positions of the two ends inside the test mold fixing tray 2, the gear 28 is arranged at the middle position outside the central shaft 27, the gear 28 and the rack 31 are mutually engaged, the rope pulley 25 is symmetrically arranged at the two ends outside the central shaft 27, the steel wire rope 23 is wound outside the rope pulley 25, the spring A22 is symmetrically arranged at one side of the partition plate 24, the limiting plate 21 is jointly arranged at one side of the spring A22, the U-shaped clamping rod 3,U type clamping rod 3 is arranged at one side of the limiting plate 21, one end of the U-shaped clamping rod 3,U type clamping rod 3, which is far away from the limiting plate 21, extends to the outside of the test mold fixing tray 2 and is mutually clamped with the test mold 4, one end of the steel wire rope 23, which is far away from the rope pulley 25, penetrates through the partition plate 24 and is mutually connected with the limiting plate 21, and the control panel 15 is respectively and electrically connected with the servo motor 13, the electric telescopic rod 11, the electromagnet 7 and the laser range finder 8 through wires.

The laser range finder 8 and the electromagnet 7 in the device are the prior art, and the composition structure and the connection mode of the device are completely the same as those of the prior device.

Furthermore, one side that clamp splice 6 is inside to be close to probe 5 is provided with stereoplasm rubber arc scraper blade for clamp splice 6 is inseparabler with probe 5 laminating, guarantees clear more thoroughly.

Further, the middle position of the top of the test mold fixing tray 2 is provided with a groove, and the top plate 30 can be accommodated.

Furthermore, the middle positions of the two sides of the test mold 4 are provided with limit grooves, the two sides inside the test mold 4 are provided with slope plates, the U-shaped clamping rods 3 can be clamped with each other conveniently, and the cement blocks after condensation can be poured out conveniently.

Further, an installation seat is arranged between the bottom of the servo motor 13 and the installation cabin a14, and a shock absorption gasket is arranged at the bottom of the installation seat, so that the stability of the position of the servo motor 13 is maintained, and the vibration generated during operation is reduced.

Furthermore, the four corners department of base 1 bottom all is provided with the supporting leg, and the bottom of supporting leg all is provided with anti-skidding gasket, provides the holding power for the device.

The working principle is as follows: the device supplies power to the device through an external power supply and is controlled through a control panel 15, when the device is used, cement paste is firstly added into a test mould 4, the test mould 4 is placed at the top of a test mould fixing tray 2, the test mould 4 presses a top plate 30 downwards under the action of self gravity, the top plate 30 displaces downwards to drive a connecting block 29 to displace downwards, a rack 31 is driven to displace downwards and a central shaft 27 is driven to rotate through a meshed gear 28, a rope wheel 25 is driven to rotate through the rotation of the central shaft 27 to shrink a steel wire rope 23, a limiting plate 21 is driven to horizontally displace through the steel wire rope 23, a U-shaped clamping rod 3 is driven to clamp two sides of the test mould 4 through the limiting plate 21, a spring A22 and a spring B26 are both in a compressed state, and the servo motor 13 is further opened to drive a threaded rod 19 to rotate, the threaded rod 19 rotates to drive the internal thread sleeve 18 to realize up-and-down displacement, the sliding block 17 is driven to perform up-and-down displacement in the sliding groove 16, the connecting rod A10 is driven to realize up-and-down displacement, the mounting block 9 is driven to perform up-and-down displacement through the connecting rod A10, when the probe 5 is adjusted to the top of the test mold 4, the distance between the probe 5 and the electromagnet 7 is measured through the laser distance meter 8 at the moment, the electromagnet 7 is powered off, the probe 5 freely falls into cement slurry in the test mold 4, when the probe 5 is stabilized, the distance between the probe 5 and the top of the probe 5 is further measured through the laser distance meter 8, the front-back distance data difference is obtained through computer data recording and analysis, the coagulation degree of cement slurry is obtained, when the measurement is finished, the electromagnet 7 is powered on at the moment, the electromagnet 7 enables the probe 5 to be adsorbed again, at the moment, the connecting rod B12 is driven to perform downward displacement through the electric telescopic rod 11, the surface of probe 5 is cleaned in further drive clamp splice 6 downward displacement, with the grout clean up on probe 5 surface, avoids the grout water congeals the surface of probe 5 to next measuring production error to be provided with the ramp plate through the both sides inside examination mould 4, make the complete measurement back that finishes, can be easily pour the cement piece that condenses, avoid the possibility that cement piece and examination mould 4 bonded, thereby improved the practicality of device.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cement setting time uses automatic measuring device, includes base (1), its characterized in that: an installation bin A (14) is arranged on one side of the top of the base (1), a control panel (15) is arranged at one positive end of the installation bin A (14), a servo motor (13) is arranged on the top of the installation bin A (14), the output end of the servo motor (13) extends into the installation bin A (14) and is provided with a threaded rod (19), an internal thread sleeve (18) is arranged on the outer side of the threaded rod (19), a sliding chute (16) is arranged inside one side of the inner wall of the installation bin A (14), a sliding block (17) is arranged inside the sliding chute (16), one side of the sliding block (17) extends to the outside of the sliding chute (16) and is connected with the internal thread sleeve (18), a connecting rod A (10) is arranged on one side, away from the sliding block (17), of the internal thread sleeve (18) is arranged on the connecting rod A (10), extends to the outside of the installation bin A (14) and is provided with an installation block (9), a bottom of the electromagnet block (9) is provided with a laser range finder (8), a middle position of the connection rod A (7) is provided with an electric probe (11), and a telescopic rod (11) is arranged on one side close to the middle position of the electromagnet (5), the bottom of the electric telescopic rod (11) is provided with a connecting rod B (12), one side of the connecting rod B (12) is provided with a clamping block (6), the clamping block (6) is sleeved on the outer side of the probe (5), the middle position of the top of the base (1) is provided with a test mold fixing tray (2), the top of the test mold fixing tray (2) is provided with a test mold (4), two sides of the inside of the test mold fixing tray (2) are provided with mounting bins B (20), the middle position of the inside of the test mold fixing tray (2) is symmetrically provided with a partition plate (24), the middle position of the inside bottom of the test mold fixing tray (2) is provided with a spring B (26), the top of the spring B (26) is provided with a connecting block (29), two sides of the connecting block (29) are both provided with rack bars (31), the top of the connecting block (29) extends to the outer side of the test mold fixing tray (2) and is provided with a top plate (30), the top plate (30) and the top plate (4) is mutually attached, the middle positions of the two ends of the test mold fixing tray (2) are symmetrically provided with a gear wheels (27), two ends of the central shaft (27) are symmetrically provided with a gear wheels (27), and a central shaft (27) and a central shaft (25) are symmetrically provided with a central shaft (27) and a central shaft (27) which are meshed with a central shaft (25), the outside winding of rope sheave (25) is provided with wire rope (23), one side symmetry of baffle (24) is provided with spring A (22), one side of spring A (22) is provided with limiting plate (21) jointly, one side of limiting plate (21) is provided with U type clamping bar (3), the one end that limiting plate (21) were kept away from in U type clamping bar (3) extends to the outside of examination mould fixed tray (2) and with examination mould (4) block of each other, wire rope (23) keep away from the one end of rope sheave (25) and run through baffle (24) and interconnect with limiting plate (21), control panel (15) are connected with servo motor (13), electric telescopic handle (11), electro-magnet (7) and laser range finder (8) electricity respectively through the wire.

2. The automatic measuring device for cement setting time according to claim 1, wherein: and a hard rubber arc-shaped scraper is arranged on one side, close to the probe (5), in the clamping block (6).

3. The automatic measuring device for cement setting time according to claim 1, wherein: a groove is formed in the middle of the top of the test mold fixing tray (2).

4. The automatic measuring device for cement setting time according to claim 1, wherein: limiting grooves are formed in the middle positions of the two sides of the test mold (4), and slope plates are arranged on the two sides of the interior of the test mold (4).

5. The automatic measuring device for cement setting time according to claim 1, wherein: and a mounting seat is arranged between the bottom of the servo motor (13) and the mounting bin A (14), and a damping gasket is arranged at the bottom of the mounting seat.

6. The automatic measuring device for cement setting time according to claim 1, wherein: the four corners department of base (1) bottom all is provided with the supporting leg, and the bottom of supporting leg all is provided with anti-skidding gasket.