Screening device for fine-grained soil for treating earthen archaeological site

Abstract

The utility model discloses a fine-grained soil screening device for processing earthen ruins, which is characterized in that a screening tray is arranged at the top of a rack, the middle part of the screening tray is rotatably connected with a driving shaft, a first bracket and a second bracket are fixedly arranged at the top of the driving shaft, the driving shaft is connected with a driving device, and the driving device can drive the first bracket and the second bracket to rotate integrally; the soil pressing roller, the soil paving plate, the first soil scraping plate and the second soil scraping plate can be driven to move above the sieve tray, after raw soil is put on the sieve tray, the first soil scraping plate and the second soil scraping plate scrape the soil and concentrate the soil to the middle of the soil paving plate, a gap is reserved between the soil paving plate and the sieve tray, and the soil can be flatly paved on the sieve tray in the moving process of the soil paving plate. The fine-grained soil can enter the collecting bin through the sieve tray after the soil blocks are crushed and scattered by the soil pressing roller, the fine-grained soil can enter the collecting bin through the sieve tray in the subsequent soil scraping and paving process, so that the raw soil blocks can be crushed and scattered, the fine-grained soil can be screened, the screening efficiency can be improved, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of fine particle soil processing device, especially relates to a fine particle soil screening device for treating earth site. BACKGROUND

[0002] In the process of repairing the earth site, the raw soil needs to be used, the raw soil refers to the original natural accumulation soil layer without artificial disturbance, the characteristics of the raw soil are strong adhesion, the raw soil is a three-phase system composed of solid soil particles, water and gas, the solid soil particles are the main body of the soil, about 50% of the soil volume, the pores between the solid particles are occupied by gas and water, the raw soil needs to be used, the fine particle soil refers to the soil with less than 50% of coarse particle content (more than 0.075 mm), also refers to the soil with the maximum particle size not more than 4.75 mm and the nominal maximum particle size not more than 2.36 mm, at present, the way of screening the fine particle soil is only screening, but the raw soil generally has many big and small lumps, the traditional screening method can screen some fine particle soil, but the screening efficiency is relatively low due to the lump form, if the lump is crushed and then screened, the problem of time and effort exists. CONTENT OF UTILITY MODEL

[0003] (1) the technical problem to be solved: provide a kind of fine particle soil screening device for treating earth site, which can both roll raw soil lump and screen fine particle soil.

[0004] (2) the technical scheme adopted by the utility model is as follows:

[0005] The application discloses a screening device for fine-grained soil used for treating earthen sites, which comprises a rack, a sieve disc arranged at the top of the rack, a driving shaft rotatably connected to the middle part of the sieve disc, a first support and a second support fixedly arranged at the top of the driving shaft, a first wheel arm and a second wheel arm arranged on the first support, the first wheel arm and the second wheel arm penetrating through the first support and being slidably connected with the first support, a soil roller arranged between the lower ends of the first wheel arm and the second wheel arm, the soil roller being rotatably connected with the first wheel arm and the second wheel arm through a rotating shaft, a first limiting assembly arranged at the top of the first wheel arm, a second limiting assembly arranged at the top of the second wheel arm, a first supporting seat arranged at the position of the first wheel arm below the first support, a first elastic member sleeved on the first wheel arm, the upper end of the first elastic member being in contact with the first support and the lower end being in contact with the first supporting seat, a second supporting seat arranged at the position of the second wheel arm below the first support, a second elastic member sleeved on the second wheel arm, the upper end of the second elastic member being in contact with the first support and the lower end being in contact with the second supporting seat, the soil roller being in contact with the sieve disc, a soil paving plate arranged below the second support, the soil paving plate being connected with the second support through a first pull rod and a second pull rod, a first soil scraping plate and a second soil scraping plate connected with the side surface of the second support, the first soil scraping plate and the second soil scraping plate being in contact with the sieve disc, a passageway being left between the ends of the first soil scraping plate and the second soil scraping plate which are close to each other, and the ends of the first soil scraping plate and the second soil scraping plate which are close to each other being closer to the soil paving plate, the driving shaft being connected with a driving device, a collecting bin arranged below the sieve disc, the collecting bin being fixed with the rack, and an earth outlet arranged on the side surface of the collecting bin.

[0006] Further technical solutions are that the first support is provided with a first auxiliary support at the top and corresponding positions of the first wheel arm and the second wheel arm, the upper ends of the first wheel arm and the second wheel arm penetrate through the first auxiliary support, the first limiting assembly comprises a first adjusting nut threadedly connected with the upper end of the first wheel arm, and the second limiting assembly comprises a second adjusting nut threadedly connected with the upper end of the second wheel arm.

[0007] Further technical solutions are that the first pull rod and the second pull rod penetrate through the second support and are slidably connected with the second support, the first pull rod is provided with a third supporting seat, a third elastic member is sleeved on the first pull rod, the third elastic member is located between the second support and the third supporting seat, the second pull rod is provided with a fourth supporting seat, a fourth elastic member is sleeved on the second pull rod, the fourth elastic member is located between the second support and the fourth supporting seat, the second support is provided with a second auxiliary support at the top and corresponding positions of the first pull rod and the second pull rod, the first pull rod and the second pull rod penetrate through the second auxiliary support at the corresponding positions, the upper ends of the first pull rod and the second pull rod are threadedly connected with a third adjusting nut, and the third adjusting nut is in contact with the top of the second auxiliary support at the corresponding position.

[0008] Further technical solutions are that the first supporting seat is threadedly connected with the first wheel arm, and the second supporting seat is threadedly connected with the second wheel arm.

[0009] Further technical solutions are that the first support is formed by a main frame one and a split frame one, the split frame one is connected with the main frame one through bolts, and the first wheel arm and the second wheel arm are located on the split frame one and the main frame one respectively.

[0010] Further technical solutions are that the second support is formed by a main frame two and a split frame two, the split frame two is connected with the main frame two through bolts, and the first pull rod and the second pull rod are located on the split frame two and the main frame two respectively.

[0011] Further technical solutions are that the bottom of the collecting bin is inclined, and the unearthing opening is located at the lowest position.

[0012] (3) Since the above technical solutions are adopted, the novel machine has the advantages that: the screen disc is arranged on the top of the rack, the driving shaft is rotatably connected to the middle of the screen disc, the first support and the second support are fixedly arranged on the top of the driving shaft, the driving shaft is connected with the driving device, the first support and the second support can be driven to rotate as a whole through the driving device, the earth roller, the earth paving plate, the first earth scraping plate and the second earth scraping plate can be driven to move above the screen disc, the earth is scraped up and concentrated to the middle position of the earth paving plate by the first earth scraping plate and the second earth scraping plate after the raw earth is put into the screen disc, a gap is left between the earth paving plate and the screen disc, the earth can be evenly paved on the screen disc during the movement of the earth paving plate, the earth clods are rolled apart by the earth roller, and the fine earth is screened into the collecting bin during the subsequent scraping and paving processes, so that the raw earth clods can be rolled apart and the fine earth can be screened, the screening efficiency is improved, and time and labor are saved.

[0013] Since the first elastic member is sleeved on the first wheel arm, the upper end of the first elastic member is in contact with the first support and the lower end is in contact with the first support seat, the second elastic member is sleeved on the second wheel arm, the upper end of the second elastic member is in contact with the first support and the lower end is in contact with the second support seat, the first limiting assembly is arranged on the top of the first wheel arm and is used for limiting the downward movement of the first wheel arm, and the second limiting assembly is arranged on the top of the second wheel arm and is used for limiting the downward movement of the second wheel arm, the first wheel arm can move upward by overcoming the elastic force of the first elastic member, and the second wheel arm can move upward by overcoming the elastic force of the second elastic member, so that the earth roller can float upward to avoid contacting some hard stone blocks or hard earth blocks to damage the screen disc. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the overall structure of the novel machine;

[0015] Figure 2 is a schematic view of the structure in the collecting bin;

[0016] Figure 3 is Figure 2Structure schematic view at A in the middle;

[0017] Figure 4 Is Figure 2 Structure schematic view at B in the middle;

[0018] Figure 5 Structure schematic view of the connecting of the soil roller and the rotating shaft according to the utility model;

[0019] Figure 6 Structure schematic view of the multi-section soil roller according to the utility model. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and examples.

[0021] As Figures 1-6 shown. A screening device for fine-grained soil for treating earth sites, comprising a rack 1, the rack 1 top is provided with a sieve disc 2, the sieve disc 2 middle part is rotatably connected with a driving shaft 3, the driving shaft 3 top is fixedly provided with a first support 4 and a second support 5, the first support 4 is provided with a first wheel arm 6 and a second wheel arm 7, the first wheel arm 6 and the second wheel arm 7 all penetrate through the first support 4 and are slidably connected with it, a soil roller 8 is arranged between the lower end of the first wheel arm 6 and the lower end of the second wheel arm 7, the soil roller 8 is rotatably connected with the first wheel arm 6 and the second wheel arm 7 through a rotating shaft 9, the first wheel arm 6 top is provided with a first limiting assembly, the second wheel arm 7 top is provided with a second limiting assembly, the first wheel arm 6 position below the first support 4 is provided with a first supporting seat 10, the first wheel arm 6 is sleeved with a first elastic member 11, the first elastic member 11 upper end is in contact with the first support 4, and lower end is in contact with the first supporting seat 10, the second wheel arm 7 position below the first support 4 is provided with a second supporting seat 12, the second wheel arm 7 is sleeved with a second elastic member 13, the second elastic member 13 upper end is in contact with the first support 4, and lower end is in contact with the second supporting seat 12, the soil roller 8 is in contact with the sieve disc 2, the second support 5 below is provided with a soil laying plate 18, the soil laying plate 18 is connected with the second support 5 through a first pull rod 14 and a second pull rod 15, the second support 5 side surface is connected with a first soil scraping plate 16 and a second soil scraping plate 17, the first soil scraping plate 16 and the second soil scraping plate 17 are all in contact with the sieve disc 2, a passageway is left between the ends of the first soil scraping plate 16 and the second soil scraping plate 17 close to each other, and the ends of the first soil scraping plate 16 and the second soil scraping plate 17 close to each other are closer to the soil laying plate 18, the driving shaft 3 is connected with a driving device, the sieve disc 2 below is provided with a collection bin 19, the collection bin 19 is fixed with the rack 1, and the collection bin 19 side surface is provided with an earth outlet 20.

[0022] In use, the driving device includes a motor 34 fixed at the bottom of the collecting bin 19, the driving shaft 3 extends downward through the collecting bin 19, the output shaft of the motor 34 is connected with the driving shaft 3 through a belt 35 transmission assembly, the power of the motor 34 is transmitted to the driving shaft 3 through the belt 35 to drive the driving shaft 3 to rotate, the motor 34 adopts a speed reducer motor 34 which can slowly drive the driving shaft 3 to rotate, a surrounding fence is arranged outside the sieve disc 2, the driving shaft 3 is rotatably connected with the sieve disc 2 through a shaft sleeve or a bearing, the first support 4 and the second support 5 can be driven to rotate as a whole through the driving device, the earth-rolling roller 8, the earth-paving plate 18, the first earth-scrapping plate 16 and the second earth-scrapping plate 17 can be driven to move above the sieve disc 2, the gap between the earth-rolling roller 8 and the rotating shaft 9 can be set to be larger, because the speed difference will occur at the two ends of the earth-rolling roller 8 when the earth-rolling roller 8 rolls on the sieve disc 2, the larger gap between the earth-rolling roller 8 and the rotating shaft 9 can make up for the above-mentioned defects, which is similar to a traditional stone mill, or the earth-rolling roller 8 adopts a multi-section structure, each section can independently roll, which can also make up for the above-mentioned defects, after the raw soil is put into the sieve disc 2, the first earth-scrapping plate 16 and the second earth-scrapping plate 17 will scrape the soil and concentrate it to the middle position of the earth-paving plate 18, a gap is left between the earth-paving plate 18 and the sieve disc 2, the earth-paving plate 18 can pave the soil on the sieve disc 2 during the moving process, the clumped soil will be crushed by the earth-rolling roller 8, and then the soil will be scraped and paved again, the fine soil will pass through the sieve disc 2 and enter the collecting bin 19 during the scraping and paving process, so that the clumped raw soil can be crushed and the fine soil can be screened, because the first elastic member 11 is sleeved on the first wheel arm 6, the second elastic member 13 is sleeved on the second wheel arm 7, the first limiting assembly is used for limiting the downward movement of the first wheel arm 6, and the second limiting assembly is used for limiting the downward movement of the second wheel arm 7, the first wheel arm 6 can move upward by overcoming the elastic force of the first elastic member 11, and the second wheel arm 7 can move upward by overcoming the elastic force of the second elastic member 13, so that the earth-rolling roller 8 can float upward to avoid contacting some hard stones or hard soil blocks to damage the sieve disc 2, in addition, the first limiting assembly and the second limiting assembly can be used to adjust the gap between the earth-rolling roller 8 and the sieve disc 2 to avoid crushing the soil particles (including fine soil and coarse soil) of the raw soil, in addition, a soft layer of rubber material can be wrapped on the earth-rolling roller 8, the earth-rolling roller 8 can be in soft contact with the soil, which can further avoid damaging the soil particles, the coarse soil, stones and hard soil blocks remaining on the sieve disc can be cleaned to the outside through the gap of the surrounding fence (after the machine stops).

[0023] The first sub-support 21 is arranged at the top of the first support 4 and at the position corresponding to the first wheel arm 6 and the second wheel arm 7, the upper end of the first wheel arm 6 and the second wheel arm 7 penetrates the first sub-support 21, the first limiting assembly comprises the first adjusting nut 22 threadedly connected at the upper end of the first wheel arm 6, the second limiting assembly comprises the second adjusting nut 23 threadedly connected at the upper end of the second wheel arm 7, the first elastic member 11 is a spring, and the bottom of the first adjusting nut 22 can press the first sub-support 21 on the first wheel arm 6 under the elastic force of the first elastic member 11. The height of the first wheel arm 6 can be adjusted by adjusting the height of the first adjusting nut 22, and the height of the soil roller 8 can be adjusted by adjusting the height of the second adjusting nut 23.

[0024] The first pull rod 14 and the second pull rod 15 penetrate the second support 5 and are in sliding connection with the second support 5, the third support seat 24 is arranged on the first pull rod 14, the third elastic member 25 is arranged on the first pull rod 14 in a sleeved mode, the third elastic member 25 is located between the second support 5 and the third support seat 24, the fourth support seat 26 is arranged on the second pull rod 15, the fourth elastic member 27 is arranged on the second pull rod 15 in a sleeved mode, the fourth elastic member 27 is located between the second support 5 and the fourth support seat 26, the second sub-support 28 is arranged at the top of the second support 5 and at the position corresponding to the first pull rod 14 and the second pull rod 15, the first pull rod 14 and the second pull rod 15 penetrate the second sub-support 28 at the corresponding position, the upper end of the first pull rod 14 and the second pull rod 15 is threadedly connected with the third adjusting nut 29, and the third adjusting nut 29 is in contact with the top of the second sub-support 28 at the corresponding position. The third elastic member 25 and the fourth elastic member 27 are springs, the first pull rod 14 has a downward trend under the action of the third elastic member 25, the third adjusting nut 29 at the upper end of the first pull rod 14 has an action of resisting the trend, and the third adjusting nut 29 at the upper end of the first pull rod 14 can press the second support 5, the second pull rod 15 has a downward trend under the action of the fourth elastic member 27, the third adjusting nut 29 at the upper end of the second pull rod 15 has an action of resisting the trend, and the third adjusting nut 29 at the upper end of the second pull rod 15 can also press the second support 5, so that the height of the soil laying plate 18 can be adjusted by adjusting the third adjusting nut 29 on the first pull rod 14 and the second pull rod 15, and the thickness of the laid soil can be adjusted, the soil laying plate 18 can be arranged in an inclined mode, and the soil laying plate 18 can also float up when encountering hard stones and soil blocks, so that the components are prevented from being damaged, and since the first soil scraping plate 16 and the second soil scraping plate 17 are in contact with the sieve disc 2, the hard stones and soil blocks have no influence on the first soil scraping plate 16 and the second soil scraping plate 17.

[0025] The first support seat 10 is connected with the first wheel arm 6 through screw thread, the second support seat 12 is connected with the second wheel arm 7 through screw thread, the position of the first support seat 10 is adjusted to adjust the elastic force of the first elastic member 11, the position of the second support seat 12 is adjusted to adjust the elastic force of the second elastic member 13, and then the pressure of the soil roller 8 on the soil can be adjusted.

[0026] The first support 4 is formed by a main frame 30 and a split frame 31, the split frame 31 is connected with the main frame 30 through bolts, the first wheel arm 6 and the second wheel arm 7 are respectively located on the split frame 31 and the main frame 30, so that the soil roller 8 is conveniently installed.

[0027] The second support 5 is formed by a main frame 32 and a split frame 33, the split frame 33 is connected with the main frame 32 through bolts, the first pull rod 14 and the second pull rod 15 are respectively located on the split frame 33 and the main frame 32, so that the soil laying plate 18 is conveniently installed.

[0028] The bottom of the collecting bin 19 is inclined, and the soil outlet 20 is located at the lowest position, which is beneficial to the collection of fine-grained soil, and the fine-grained soil can be discharged from the soil outlet 20.

[0029] The above is only a preferred embodiment of the present application.

Claims

1. A screening device for fine-grained soil for treating earthen sites, characterized by, The utility model provides a kind of soil compactor, including rack (1), rack (1) top is provided with sieve tray (2), the middle part of sieve tray (2) is rotatably connected with driving shaft (3), driving shaft (3) top is fixedly provided with first support (4) and second support (5), first support (4) is provided with first wheel arm (6) and second wheel arm (7), first wheel arm (6) and second wheel arm (7) are all through first support (4) and are slidably connected with it, the lower end between first wheel arm (6) and the lower end of second wheel arm (7) is provided with soil roller (8), soil roller (8) is rotatably connected with first wheel arm (6) and second wheel arm (7) by pivot (9), first wheel arm (6) top is provided with first limiting component, second wheel arm (7) top is provided with second limiting component, first wheel arm (6) is provided with first support seat (10) in the position below first support (4), first elastic member (11) is set on first wheel arm (6), first elastic member (11) upper end is in contact with first support (4), lower end is in contact with first support seat (10), second wheel arm (7) is provided with second support seat (12) in the position below first support (4), second elastic member (13) is set on second wheel arm (7), second elastic member (13) upper end is in contact with first support (4), lower end is in contact with second support seat (12), the soil roller (8) is in contact with the sieve tray (2), the second support (5) below is provided with soil laying plate (18), soil laying plate (18) is connected with second support (5) by first pull rod (14) and second pull rod (15), second support (5) side surface is connected with first soil scraping plate (16) and second soil scraping plate (17), the first soil scraping plate (16) and second soil scraping plate (17) are in contact with sieve tray (2), and the end of first soil scraping plate (16) and second soil scraping plate (17) close to each other leaves a passageway, and the end of first soil scraping plate (16) and second soil scraping plate (17) close to each other is closer to soil laying plate (18), the driving shaft (3) is connected with driving device, the sieve tray (2) below is provided with collection bin (19), collection bin (19) is fixed with rack (1), and collection bin (19) side is provided with soil outlet (20).

2. The screening device for fine-grained soil of earthen sites according to claim 1, characterized in that, The first support (4) top and the position corresponding with first wheel arm (6) and second wheel arm (7) are provided with first vice support (21), the upper end of first wheel arm (6) and second wheel arm (7) is all through first vice support (21), first limiting component includes first adjusting nut (22) in first wheel arm (6) upper end screw connection, second limiting component includes second adjusting nut (23) in second wheel arm (7) upper end screw connection.

3. The screening device for fine-grained soil of earthen sites according to claim 1, characterized in that, The first pull rod (14) and the second pull rod (15) are both through the second support (5) and are in sliding connection with the same, the first pull rod (14) is provided with the third support seat (24), the first pull rod (14) is provided with the third elastic member (25), the third elastic member (25) is located between the second support (5) and the third support seat (24), the second pull rod (15) is provided with the fourth support seat (26), the second pull rod (15) is provided with the fourth elastic member (27), the fourth elastic member (27) is located between the second support (5) and the fourth support seat (26), the second support (5) top and the corresponding position of the first pull rod (14) and the second pull rod (15) are both provided with the second auxiliary support (28), the first pull rod (14) and the second pull rod (15) are both through the second auxiliary support (28) of the corresponding position, the upper end of the first pull rod (14) and the second pull rod (15) are both provided with the third adjusting nut (29), the third adjusting nut (29) is in contact with the top of the second auxiliary support (28) of the corresponding position.

4. The screening device for fine earth of an earthen site according to claim 1, wherein The first support seat (10) is connected with the first wheel arm (6) by screwing, and the second support seat (12) is connected with the second wheel arm (7) by screwing.

5. The screening device for fine-grained soil of earthen sites according to claim 1, characterized in that, The first support (4) is formed by a main frame one (30) and a split frame one (31), the split frame one (31) is connected with the main frame one (30) by bolt, and the first wheel arm (6) and the second wheel arm (7) are respectively located on the split frame one (31) and the main frame one (30).

6. The screening device for fine earth of an earthen site according to claim 1, wherein The second support (5) is formed by a main frame two (32) and a split frame two (33), the split frame two (33) is connected with the main frame two (32) by bolt, and the first pull rod (14) and the second pull rod (15) are respectively located on the split frame two (33) and the main frame two (32).

7. The screening device for fine earth of an earthen site according to claim 1, wherein The bottom of the collection bin (19) is inclined, and the unearthed mouth (20) is at the lowest position.

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