CN219187724U - Soil sieve for soil testing - Google Patents

Abstract

The utility model discloses a soil sieve for soil detection, which belongs to the technical field of soil detection and sieving devices. The utility model comprises a sieve box, the interior of the sieve box is sequentially provided with a drum sieve mechanism, a first screen and a second screen, and the surface of the sieve box is provided with the first screen and the second screen. The opening used in conjunction with the screen, the first screen and the second screen both extend to the outside of the screen box through the opening, and a synchronous vibration mechanism is arranged between the first screen and the second screen. The utility model is provided with a drum sieve mechanism, and uses a rotating drum screen to perform the first screening work before the fine screen, and the shape of the drum screen is similar to a cone, with a small inlet and a large outlet, and the large sundries can be screened out along the outlet. Direct discharge can not only avoid the difficulty of screening caused by the accumulation of a large amount of debris, but also has the ability not to be afraid of the blockage of the screen, so as to remove the impurities and wastes before the fine sieve, and avoid the accumulation of wastes that is not conducive to the screening work. Purpose.

Description

Soil sieve for soil testing

technical field

The utility model belongs to the technical field of soil testing and screening devices, in particular to a soil screening device for soil testing.

Background technique

Soil environment monitoring refers to the determination of environmental quality (or pollution degree) and its changing trend through the determination of representative values of factors affecting soil environmental quality. Before soil detection, it is necessary to screen out the impurity waste contained in the soil. The usual method is to screen with a soil sieve. When screening, a vibrating motor (52) is usually used to drive the screen to vibrate for screening. A large amount of unscreened waste contains The soil with more impurities is accumulated on the top of the screen, and when there is too much waste on the top of the screen, it is not conducive to the screening work. Therefore, it is necessary to improve the soil sieve for soil testing to avoid the accumulation of a large amount of unscreened soil containing more impurities on the top of the sieve, which is not conducive to the screening work when there is too much waste on the top of the sieve.

Utility model content

In order to solve the problems raised in the above-mentioned background technology, the purpose of this utility model is to provide a soil sieve for soil testing, which can remove impurities and wastes before fine sieving, and avoid the accumulation of wastes that is not conducive to the screening work. advantage.

The utility model provides the following technical proposal: a soil sieve for soil detection, including a sieve box, and the inside of the sieve box is sequentially provided with a cylinder sieve mechanism, a first sieve and a second sieve. The surface of the screen box is provided with openings used in conjunction with the first screen and the second screen, and both the first screen and the second screen extend to the outside of the screen box through the opening, and the first screen A synchronous vibration mechanism is set between the screen and the second screen, and a drying mechanism is set on the top of the screen box;

The trommel sieve mechanism includes a discharge cylinder and a feed cylinder respectively arranged on both sides of the screen box, the discharge cylinder is movably connected with the screen box through a bearing, the feed cylinder is fixedly connected with the screen box, and the discharge There is a drum screen between the drum and the feeding drum, one side of the feeding drum extends to the inside of the drum screen and is movably connected with the drum screen through bearings, and one side of the outlet drum is sleeved on the surface of the drum screen And it is fixedly connected with the trommel screen, the surface of the other side of the discharge cylinder is fixedly connected with a driven wheel, one side of the screen box is fixedly connected with a first motor at the bottom of the driven wheel, and the output end of the first motor A driving wheel is fixedly connected, and the driving wheel and the driven wheel are connected through a belt drive, and a pushing mechanism is arranged inside the feeding cylinder.

The pushing mechanism includes a second motor fixedly connected to the side of the feeding cylinder away from the screen box, the output end of the second motor extends to the inside of the feeding cylinder and is fixedly connected with a helical blade push rod, and the helical blade The end of the push rod away from the second motor extends to the inside of the drum screen and is fixedly connected with a scraping rod, and the surface of the scraping rod is fixedly connected with a scraping block.

The bottoms of the first screen and the second screen are fixedly connected with compression springs, and the bottoms of the compression springs are fixedly connected with support blocks and limit rods, and the support blocks are sleeved on the surface of the limit rods. The support block is fixedly connected with the side wall of the screen box.

The synchronous vibration mechanism includes a first connecting frame fixedly connected to the bottom of the first screen, the bottom of the first connecting frame is fixedly connected with a vibration motor, and the bottom of the vibration motor is fixedly connected with a second connecting frame. The bottom of the second connecting frame is fixedly connected with the second screen cloth.

The drying mechanism includes a hot air box fixedly connected to the top of the screen box, an electric heating wire is fixedly connected to the inside of the hot air box, and a fan is fixedly connected to the top of the hot air box, and the fan blades and the motor of the fan are respectively positioned at the hot air The inside and outside of the box, the top and the bottom of the hot air box are respectively connected with an air inlet pipe and an air outlet pipe, and the bottom end of the air outlet pipe extends to the inside of the screen box.

Both sides of the top of the first screen are fixedly connected with a first slant plate, the bottom wall of the screen box is slidably connected with a drawer, the front end of the drawer extends to the outside of the screen box, and one side of the screen box A second inclined plate located between the discharge cylinder and the first motor is fixedly connected.

The beneficial effects of the utility model are as follows:

1. The utility model uses a drum sieve mechanism to perform the first screening work before the fine screen by using a rotating drum screen, and the shape of the drum screen is similar to a cone, with a small inlet and a large outlet, so that large debris can be screened out smoothly. It is directly discharged from the outlet, which can not only avoid the screening difficulty caused by the accumulation of a large amount of debris, but also has the ability not to be afraid of the blockage of the screen, so that the impurities and wastes can be removed before the fine sieve, and the accumulation of wastes will not be conducive to screening. purpose of work.

2. The utility model is equipped with a pusher mechanism, and the pusher mechanism adopts the helical blade push rod as the core for conveying. This method can not only conveniently convey the materials in the feeding cylinder into the drum screen at a uniform speed, but also can remove excessive debris. It is limited, when the blades cannot be conveyed when the excessive debris is put in, the operation cannot continue, which ensures the safety performance and service life of the trommel screen, and the push rod is equipped with a scraper, which can scrape off the soil when the trommel screen is blocked. dredge.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic sectional view of the structure of the utility model.

Fig. 3 is a schematic diagram of the connection structure between the discharge cylinder and the feed cylinder of the utility model and the trommel screen.

Fig. 4 is a perspective view of the utility model.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

As shown in Figures 1 to 4, a soil sifter for soil testing in this embodiment includes a sieve box 1, and the inside of the sieve box 1 is sequentially provided with a drum sieve mechanism 2, a first screen 3 and a sieve box 1 from top to bottom. The second screen 4, the surface of the screen box 1 is provided with openings used in conjunction with the first screen 3 and the second screen 4, and the first screen 3 and the second screen 4 extend to the screen box 1 through the opening Outside, a synchronous vibration mechanism 5 is provided between the first screen 3 and the second screen 4, and a drying mechanism 6 is provided on the top of the screen box 1;

The drum sieve mechanism 2 includes a discharge cylinder 21 and a feed cylinder 22 respectively arranged on both sides of the screen box 1. The discharge cylinder 21 is movably connected with the screen box 1 through a bearing, and the feed cylinder 22 is fixedly connected with the screen box 1. A trommel 23 is arranged between the cylinder 21 and the feeding cylinder 22, one side of the feeding cylinder 22 extends to the inside of the trommel 23 and is movably connected with the trommel 23 through a bearing, and one side of the discharge cylinder 21 is sleeved on the drum The surface of the screen 23 is fixedly connected with the trommel 23, the surface of the other side of the discharge cylinder 21 is fixedly connected with a driven wheel 24, and one side of the screen box 1 is fixedly connected with a first motor 25 at the bottom of the driven wheel 24. The output end of the motor 25 is fixedly connected with a driving wheel 26, and the driving wheel 26 is connected with the driven wheel 24 through a belt transmission, and the inside of the feeding cylinder 22 is provided with a pushing mechanism 7.

With reference to Fig. 2 and Fig. 4, pusher mechanism 7 comprises the second motor 71 that is fixedly connected on feed cylinder 22 away from screen box 1 side, and the output end of second motor 71 extends to the inside of feed cylinder 22 and is fixedly connected with The helical blade push rod 72 , the end of the helical blade push rod 72 away from the second motor 71 extends to the inside of the trommel 23 and is fixedly connected with a scraper 73 , and the surface of the scraper 73 is fixedly connected with a scraper 74 .

In this embodiment, the pusher mechanism 7 is provided, and the pusher mechanism 7 uses the helical blade push rod 72 as the core for conveying. This method can not only conveniently convey the material in the feed cylinder 22 into the trommel 23 at a uniform speed, but also can be used for passing Large sundries are limited. When too large sundries are put in, the blades cannot be transported and cannot continue to operate, which ensures the safety performance and service life of the trommel 23, and the push rod is equipped with a scraper 73 to prevent the trommel 23 from clogging. The soil can be scraped off for dredging.

Referring to Fig. 3 , the bottoms of the first screen 3 and the second screen 4 are fixedly connected with compression springs 8, and the bottoms of the compression springs 8 are fixedly connected with support blocks 9 and limit rods 10, and the support blocks 9 are sleeved in the limit positions. The surface of the rod 10, the support block 9 is fixedly connected with the side wall of the screen box 1.

In this embodiment, by setting the compression spring 8, the elasticity of the spring can be used to support the screen, so that the screen can shake during operation, so that the material can be filtered by shaking, and at the same time, the limit rod 10 is used to limit the screen. The swaying range of the net is limited to avoid adverse effects on the screening caused by excessive swaying range.

With reference to Fig. 3, synchronous vibrating mechanism 5 comprises the first connecting frame 51 that is fixedly connected at the bottom of the first screen cloth 3, the bottom of the first connecting frame 51 is fixedly connected with vibrating motor 52, and the bottom of vibrating motor 52 is fixedly connected with the second connecting frame. frame 53, the bottom of the second connecting frame 53 is fixedly connected with the second screen 4.

In this embodiment, by setting the synchronous vibrating mechanism 5 and using the vibrating motor 52 to drive the two screens to vibrate at the same time, the utilization rate of the vibrating motor 52 can be improved, and the effect of one machine with two uses can be achieved.

With reference to Fig. 1 to Fig. 3, drying mechanism 6 comprises the hot blast box 61 that is fixedly connected on the top of screen box 1, and the inside of hot blast box 61 is fixedly connected with electric heating wire 62, and the top of hot blast box 61 is fixedly connected with fan 63, and fan 63 The blades and the motor are located inside and outside the hot air box 61 respectively. The top and bottom of the hot air box 61 communicate with an air inlet pipe 64 and an air outlet pipe 65 respectively, and the bottom end of the air outlet pipe 65 extends to the inside of the screen box 1 .

In this embodiment, by setting the drying mechanism 6, when the soil put in is relatively moist, these soils will affect the screening efficiency, and also block the drum sieve 23. At this time, the air heated by the electric heating wire 62 can be blown out by using the fan 63. Accelerate the evaporation of water in the soil, making the soil dry and fragile, which is good for dredging and sieving.

Referring to Figures 1 to 3, both sides of the top of the first screen 3 are fixedly connected with a first inclined plate 11, the bottom wall of the screen box 1 is slidingly connected with a drawer 12, and the front end of the drawer 12 extends to the outside of the screen box 1, One side of the screen box 1 is fixedly connected with a second inclined plate 13 located between the discharge cylinder 21 and the first motor 25 .

In this embodiment, the receiving area of the first sieve 3 can be enlarged by setting the first inclined plate 11, and the dropped soil can be accurately transported to the sieve, so that the soil will not directly fall on the second sieve 4, indirectly improving Filtering effect, by setting the drawer 12, after the soil is finally filtered, the soil will accumulate at the bottom of the screen. At this time, the drawer 12 is used for collection and temporary storage, and the soil can be discharged all at once. After the large-scale debris is discharged from the discharge barrel 21, it is transported by the second inclined plate 13, which can protect the first motor 25, avoid the debris from damaging the motor, and can change the direction of debris discharge, which is beneficial to collection in different directions .

The soil is put into the inside of the feeding cylinder 22, and the second motor 71 drives the screw blade push rod 72 to rotate to transport the soil, and the soil is transported into the trommel 23, and at the same time, the first motor 25 drives the driving wheel 26 to rotate, thereby passing The belt drives the driven wheel 24 to rotate, and the driven wheel 24 drives the discharge cylinder 21 to rotate, thereby driving the drum sieve 23 to rotate, and the rotation of the drum sieve 23 is used to screen the soil for the first time, and the large debris in the soil is screened. The divided soil falls on the first screen 3, and the vibration motor 52 drives the first connecting frame 51 and the second connecting frame 53 to vibrate, and utilizes the two connecting frames to transmit the vibration to the first screen 3 and the second sieve. On the net 4, the first screen 3 and the second screen 4 are vibrated and sieved. After the soil is screened by the first screen 3, it falls on the second screen 4 for screening, and finally falls on the drawer 12. Temporary storage.

Claims (6)

1. A soil sifter for soil detection, comprising a sieve box (1), is characterized in that: the inside of the sieve box (1) is sequentially provided with a drum sieve mechanism (2), a first screen cloth (3) and the second screen (4), the surface of the screen box (1) is provided with openings used in conjunction with the first screen (3) and the second screen (4), the first screen (3) and the second screen cloth (4) all extend to the outside of the screen box (1) through the opening, and a synchronous vibrating mechanism ( 5), the top of the screen box (1) is provided with a drying mechanism (6); The trommel mechanism (2) comprises a discharge cylinder (21) and a feed cylinder (22) respectively arranged on both sides of the screen box (1), and the discharge cylinder (21) is connected to the screen box (1) through a bearing. Moveably connected, the feed cylinder (22) is fixedly connected with the sieve box (1), a trommel (23) is arranged between the discharge cylinder (21) and the feed cylinder (22), and the feed cylinder One side of (22) extends to the inside of the trommel (23) and is movably connected with the trommel (23) by bearings, and one side of the discharge cylinder (21) is sleeved on the surface of the trommel (23) and is connected with the trommel (23). The drum screen (23) is fixedly connected, the surface of the other side of the discharge cylinder (21) is fixedly connected with a driven wheel (24), and one side of the screen box (1) is fixedly connected with a wheel located at the bottom of the driven wheel (24). The first motor (25) of the first motor (25), the output end of the first motor (25) is fixedly connected with a driving wheel (26), and the driving wheel (26) is connected with the driven wheel (24) through a belt drive, and the feeding A pushing mechanism (7) is arranged inside the cylinder (22). 2. A soil sieve for soil testing according to claim 1, characterized in that: the pushing mechanism (7) includes a side that is fixedly connected to the feed cylinder (22) away from the sieve box (1) The second motor (71), the output end of the second motor (71) extends to the inside of the feeding cylinder (22) and is fixedly connected with the screw blade push rod (72), and the screw blade push rod (72) is away from One end of the second motor (71) extends to the inside of the drum screen (23) and is fixedly connected with a scraper bar (73), and the surface of the scraper bar (73) is fixedly connected with a scraper block (74). 3. A kind of soil sieve device for soil detection according to claim 2, is characterized in that: the bottoms of the first screen (3) and the second screen (4) are fixedly connected with stage clips (8 ), the bottom of the stage clip (8) is fixedly connected with a support block (9) and a limit rod (10), and the support block (9) is sleeved on the surface of the limit rod (10), and the support block (9) is fixedly connected with the side wall of the screen box (1). 4. A soil sieve for soil detection according to claim 1, 2 or 3, characterized in that: the synchronous vibrating mechanism (5) includes a first Connecting frame (51), the bottom of described first connecting frame (51) is fixedly connected with vibration motor (52), and the bottom of described vibration motor (52) is fixedly connected with second connecting frame (53), and described second The bottom of the connecting frame (53) is fixedly connected with the second screen cloth (4). 5. A kind of soil sieving device for soil testing according to claim 4, characterized in that: the drying mechanism (6) includes a hot air box (61) fixedly connected to the top of the sieve box (1), and the hot air The inside of case (61) is fixedly connected with electric heating wire (62), and the top of described hot air box (61) is fixedly connected with fan (63), and the fan blade and motor of described fan (63) are positioned at hot air box (61) respectively. ), the top and the bottom of the hot blast box (61) are communicated with an air inlet pipe (64) and an air outlet pipe (65) respectively, and the bottom end of the air outlet pipe (65) extends to the screen box ( 1) The interior. 6. A kind of soil sifter for soil testing according to claim 5, characterized in that: both sides of the top of the first sieve (3) are fixedly connected with a first inclined plate (11), the The bottom wall of the screen box (1) is slidingly connected with a drawer (12), the front end of the drawer (12) extends to the outside of the screen box (1), and one side of the screen box (1) is fixedly connected with a The second swash plate (13) between the cylinder (21) and the first motor (25).

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