CN218191044U - Quick classifying screen for geotechnical laboratory - Google Patents

Abstract

The utility model discloses a quick classifying screen is used in geotechnique's laboratory, including the screening case, the one end of connecting rod is rotated and is connected with first screen cloth, a plurality of springs of fixedly connected with between first screen cloth and the screening case, and preceding of first screen cloth, the equal fixed mounting of rear surface has the connecting block, the inside of connecting block is provided with the fixed plate of being connected with the screening case, the rolling groove has all been seted up to the preceding of fixed plate, the rear surface, fixed surface installs the gyro wheel on the inner chamber of connecting block, and before the inner chamber of connecting block, the holding tank has all been seted up to the rear surface, the inside of holding tank is provided with the ball with rolling groove roll connection. The utility model provides an adopt fixed plate and connecting block swing joint between first screen cloth and screening case to be provided with gyro wheel and ball between connecting block and the fixed plate, avoid appearing wearing and tearing phenomenon, thereby solved the one end of uncovered screening box and adopted tension spring to be connected between the screening case, lead to tension spring crooked, the relatively poor problem of bearing capacity because the weight of screening is too big easily.

Description

Quick classifying screen for geotechnical laboratory

Technical Field

The utility model belongs to the technical field of the classifying screen, concretely relates to quick classifying screen is used in geotechnical laboratory.

Background

In the geotechnical test, the fine soil with different particle sizes is screened according to the test requirements, and becomes an essential part of the test. Particularly, the soil screening and vibrating machine can cause a series of problems of power waste, troublesome cleaning and the like when a small amount of soil is screened by the soil screening and vibrating machine with one or two particle sizes. The experimenters typically used manual soil screening for screening. However, fine soil dust often flies in the process of manually screening soil, which not only causes fine soil loss, but also damages the cleanness of a laboratory, and easily causes waste of soil dust and fine-particle-size soil sucked by experimenters.

Chinese patent net application CN214121743U, a soil testing uses quick screening plant is disclosed, including the screening case, the fixed intercommunication in center of screening roof portion has into the hopper, one side fixed mounting at screening roof portion has shock dynamo, screening case fixedly connected with centrifugal wheel is passed through the pivot to shock dynamo's output, one side fixedly connected with connecting axle of centrifugal wheel bottom, the one end fixedly connected with horizontal pole of connecting axle, the one end of horizontal pole is passed through the fixture block and is connected with one side block of uncovered screening box, the opposite side of uncovered screening box passes through the fixture block and tension spring's one end fixed connection, tension spring's the other end and one side fixed connection of screening incasement portion, though this utility model relates to a quick screening plant is used in soil testing, be provided with multiple sieving mechanism, at first through the vibrations effect, secondly through the stirring, sieve through the screening board at last, the more careful of screening, and the inside dust extraction that is provided with of box, effectively reduce environmental pollution.

However, the tension spring is connected between one end of the open screening box and the screening box, so that the tension spring is easy to bend due to overlarge screening weight, and the bearing capacity is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick classifying screen is used in geotechnique's laboratory to the one end that proposes uncovered screening box in solving above-mentioned background art adopts tension spring to be connected with screening case within a definite time, leads to tension spring crooked because the weight of screening is too big easily, the relatively poor problem of bearing capacity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick classifying screen is used in geotechnique's laboratory, includes the screening case, the last fixed surface of screening case installs driving motor, driving motor's output shaft runs through screening case fixedly connected with bent axle, the connecting rod has been cup jointed in the outside of bent axle, the one end of connecting rod is rotated and is connected with first screen cloth, a plurality of springs of fixedly connected with between first screen cloth and the screening case, just the equal fixed mounting in front of first screen cloth, the back surface has the connecting block, the inside of connecting block is provided with the fixed plate of being connected with the screening case, the rolling groove has all been seted up on the front of fixed plate, the rear surface, fixed surface installs the gyro wheel on the inner chamber of connecting block, just the holding tank has all been seted up on the inner chamber front of connecting block, the inside of holding tank be provided with the rolling groove roll connection's ball.

Preferably, the inner sides of the screening boxes are respectively and fixedly provided with a stirring mechanism and a second screen, and the stirring mechanism is positioned above the second screen.

Preferably, the first screen is a box-shaped structure with an open top, and the first screen comprises a detachable mesh plate arranged at the bottom.

Preferably, the top of screening case fixedly connected with goes into the hopper, just four cavity pipes of even fixed mounting in the bottom of screening case.

Preferably, be located the homonymy two the opposite face of cavity pipe has all been seted up the slide rail, the lower surface symmetry fixed mounting of screening case has servo motor, every the equal fixedly connected with lead screw of servo motor's output shaft, the outside spiro union of lead screw has the screwed pipe, the lower extreme fixedly connected with of screwed pipe and slide rail sliding connection's backup pad, the lower surface symmetry fixed mounting of backup pad has the landing leg.

Preferably, the supporting leg is of an inverted T-shaped structure, and an anti-skid rubber pad is fixedly mounted at the bottom of the supporting leg.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides an adopt fixed plate and connecting block swing joint between first screen cloth and screening case to be provided with gyro wheel and ball between connecting block and fixed plate, avoid appearing the wearing and tearing phenomenon, thereby solved the one end of uncovered screening box and adopted tension spring to be connected between the screening case, lead to tension spring crooked because the weight of screening is too big easily, the relatively poor problem of bearing capacity.

2. The utility model discloses a start servo motor, drive the lead screw rotation rather than output shaft, the screwed pipe that realizes the outside drives the backup pad and goes up and down to change the bearing height of landing leg, be convenient for adjust the height of this classifying screen according to the user of different heights, improve the adaptation ability.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the sieving box of the present invention;

fig. 3 is a left side view structure diagram of the connection between the connection block and the fixing plate of the present invention;

in the figure: 1. a drive motor; 2. feeding into a hopper; 3. screening the box; 4. a slide rail; 5. a servo motor; 6. a support plate; 7. a support leg; 8. a threaded pipe; 9. a screw rod; 10. a fixing plate; 11. a hollow cavity pipe; 12. a first screen; 13. a spring; 14. rolling a groove; 15. connecting blocks; 16. a roller; 17. a crankshaft; 18. accommodating grooves; 19. a connecting rod; 20. a stirring mechanism; 21. a second screen; 22. a ball bearing; 23. the otter board can be disassembled.

Detailed Description

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a quick classifying screen is used in geotechnical laboratory, including screening case 3, the last fixed surface of screening case 3 installs driving motor 1, driving motor 1's output shaft runs through 3 fixedly connected with bent axle 17 of screening case, connecting rod 19 has been cup jointed in the outside of bent axle 17, the one end of connecting rod 19 is rotated and is connected with first screen cloth 12, a plurality of springs of fixedly connected with 13 between first screen cloth 12 and the screening case 3, and preceding of first screen cloth 12, the equal fixed mounting in rear surface has connecting block 15, the inside of connecting block 15 is provided with the fixed plate 10 of being connected with screening case 3, preceding of fixed plate 10, rolling slot 14 has all been seted up to the rear surface, fixed surface installs gyro wheel 16 on the inner chamber of connecting block 15, and before the inner chamber of connecting block 15, holding tank 18 has all been seted up to the rear surface, the inside of holding tank 18 is provided with rolling slot 14 roll connection's ball 22, the inboard difference fixed mounting of screening case 3 has rabbling mechanism 20 and second screen cloth 21, rabbling mechanism 20 is located second screen cloth 21's top, first screen cloth 12 is the open box column structure in top in the top in top, and first screen cloth 12 is including setting up in the otter board can dismantle 23 of bottom.

As can be seen from the above description, the present invention has the following advantages: adopt fixed plate 10 and connecting block 15 swing joint between first screen cloth 12 and screening case 3 to be provided with gyro wheel 16 and ball 22 between connecting block 15 and fixed plate 10, avoid appearing the wearing and tearing phenomenon, thereby solved the one end of uncovered screening box and adopted tension spring to be connected between screening case 3, lead to tension spring crooked because the weight of screening is too big easily, the relatively poor problem of bearing capacity.

Example two:

referring to fig. 1-3, based on the first embodiment, the present invention provides a technical solution: screening case 3's top fixedly connected with goes into hopper 2, and the even fixed mounting in bottom of screening case 3 has four cavity pipes 11, slide rail 4 has all been seted up to the opposite face that is located two cavity pipes 11 of homonymy, screening case 3's lower surface symmetry fixed mounting has servo motor 5, the equal fixedly connected with lead screw 9 of output shaft of every servo motor 5, the outside spiro union of lead screw 9 has screwed pipe 8, the lower extreme fixedly connected with of screwed pipe 8 and 4 sliding connection's of slide rail backup pad 6, the lower surface symmetry fixed mounting of backup pad 6 has landing leg 7, landing leg 7 is the T type structure of invering, and the bottom fixed mounting of landing leg 7 has anti-skidding rubber pad.

The utility model discloses a start servo motor 5, drive the lead screw 9 rotation rather than output shaft, the screwed pipe 8 that realizes the outside drives backup pad 6 and goes up and down to change the bearing height of landing leg 7, be convenient for adjust the height of this classifying screen according to the user of different heights, improve the adaptation ability.

The utility model discloses a theory of operation and use flow:

during the use, at first open the top cap into hopper 2, add the inside of first screen cloth 12 with the soil sample, then start driving motor 1 and rabbling mechanism 20, driving motor 1 drives the bent axle 17 rotation rather than output shaft, cooperation spring 13 simultaneously, make connecting rod 19 in the bent axle 17 outside drive first screen cloth 12 and rock about, carry out the first screening to the soil sample, the first screen cloth 12 that rocks drives connecting block 15 and removes along the outside of fixed plate 10, ball 22 and gyro wheel 16's wheel all takes place to rotate this moment, avoid the friction, the soil sample after the first screening falls the surface of second screen cloth 21, the agitator of rabbling mechanism 20 this moment rotates, to the soil sample stirring, make it under the effect of second screen cloth 21, carry out the secondary screening. Compared with a traditional static screening structure, the screening structure has the advantage that the screening speed is higher. When the height of the screening box 3 needs to be adjusted, the servo motor 5 is started to drive the screw rod 9 connected with the output shaft of the servo motor to rotate, and the threaded pipe 8 on the outer side is driven to drive the supporting plate 6 to ascend and descend, so that the supporting height of the supporting legs 7 is changed, and the height of the grading screen can be conveniently adjusted according to users with different heights.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides a quick classifying screen is used in geotechnique's laboratory, includes screening case (3), its characterized in that: last fixed surface of screening case (3) installs driving motor (1), the output shaft of driving motor (1) runs through screening case (3) fixedly connected with bent axle (17), connecting rod (19) have been cup jointed in the outside of bent axle (17), the one end of connecting rod (19) is rotated and is connected with first screen cloth (12), a plurality of springs of fixedly connected with (13) between first screen cloth (12) and screening case (3), just the equal fixed mounting in front of first screen cloth (12), rear surface has connecting block (15), the inside of connecting block (15) is provided with fixed plate (10) of being connected with screening case (3), rolling slot (14) have all been seted up to the preceding, the rear surface of fixed plate (10), fixed surface installs gyro wheel (16) on the inner chamber of connecting block (15), just holding tank (18) have all been seted up to the preceding, the rear surface of the inner chamber of connecting block (15), the inside of holding tank (18) is provided with rolling slot (14) roll connection's ball (22).

2. The rapid grading screen for geotechnical laboratories according to claim 1, wherein: the inboard of screening case (3) is fixed mounting respectively has rabbling mechanism (20) and second screen cloth (21), rabbling mechanism (20) are located the top of second screen cloth (21).

3. The rapid grading screen for geotechnical laboratories according to claim 1, wherein: first screen cloth (12) are open-topped box column structure, just first screen cloth (12) including set up in the bottom can dismantle otter board (23).

4. The rapid grading screen for geotechnical laboratories according to claim 1, wherein: the top fixedly connected with of screening case (3) goes into hopper (2), just the even fixed mounting in bottom of screening case (3) has four cavity pipes (11).

5. The rapid grading screen for geotechnical laboratories according to claim 4, wherein: lie in the homonymy two slide rail (4) have all been seted up to the opposite face of cavity pipe (11), the lower surface symmetry fixed mounting of screening case (3) has servo motor (5), every the equal fixedly connected with lead screw (9) of output shaft of servo motor (5), the outside spiro union of lead screw (9) has screwed pipe (8), the lower extreme fixedly connected with of screwed pipe (8) and slide rail (4) sliding connection's backup pad (6), the lower surface symmetry fixed mounting of backup pad (6) has landing leg (7).

6. The rapid grading screen for geotechnical laboratories according to claim 5, wherein: the supporting legs (7) are of inverted T-shaped structures, and anti-skid rubber pads are fixedly mounted at the bottoms of the supporting legs (7).

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