CN215744728U - Dam construction spoil screening plant - Google Patents

Abstract

The utility model provides a dam construction spoil screening device, belongs to the technical field of hydraulic engineering, and is used for solving the technical problem that the screening device is not ideal for screening the spoil of a dam. The screening machine comprises a lifting machine and a screening mechanism, wherein a dust collecting and drying mechanism is arranged between the lifting machine and the screening mechanism, a heat-insulating cover is fixed above the lifting machine, the screening mechanism comprises a scraping guide plate and a support frame, the scraping guide plate is fixed on the support frame and is abutted against the tail end of the lifting machine, and a plurality of vibrating motors are arranged below the scraping guide plate; the utility model can quickly dry the waste soil, is convenient for subsequent screening treatment, collects the dust generated in the rolling screen, and is environment-friendly and healthy; scattering the dried waste soil to avoid incomplete screening; through the cooperation of the moisture absorption box, the air inlet pipe I, the air outlet pipe and the hot air box, hot air is recycled, energy consumption is reduced, and the environment-friendly concept is met; and the dam waste soil is efficiently screened through the screening mechanism.

Description

Dam construction spoil screening plant

Technical Field

The utility model belongs to the technical field of hydraulic engineering, relates to a screening device, and particularly relates to a dam construction spoil screening device.

Background

When a dam is constructed, a small amount of spoil mixed by construction waste and soil is generated, and the spoil contains stones, gravels, moist soil and the like; these spoil must be transported to the appropriate site for dumping, which is usually remote from the site of dam construction, which means significant transportation costs and also loss of truck productivity; in the spoil generated by dam construction, stones, gravels and the like are abandoned, so that waste is caused, and the objects can be completely used as building materials to construct the dam, so that the transportation volume of the spoil is reduced, the fund is saved for constructing the dam, and a large amount of cost is reduced;

through retrieval, for example, chinese patent document discloses a method for treating stone in building spoil [ application number: CN 201911409102.8; publication No.: CNCN111135950A ]. The method for treating stones in the building spoil comprises the following steps: s1, separating the first stone block and the second stone block from the building spoil; s2, crushing the first stone block to form a third stone block; s3, separating the second stone blocks from the silt; s4, screening the second stone blocks and the third stone blocks into stone materials with different diameters by adopting a vibration screening device; s5, respectively conveying the stones with different diameters into different stirring machines, and stirring the stones by the stirring machines; and S6, adopting a vibrating screen to carry out vibrating screen on the stone stirred by the stirrer, screening out the stone with small hardness after the diameter is reduced by the vibrating screen, and keeping the stone with large hardness in the vibrating screen. Although the method screens the spoil to a certain extent, the method is not suitable for the use of the spoil of the dam.

Therefore, the screening device is suitable for the waste soil of the dam and capable of efficiently screening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a dam construction spoil screening device, which aims to solve the technical problems that: how to sieve the spoil that dam construction produced with high efficiency.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a dam construction spoil screening plant, includes lifting machine and screening mechanism, be equipped with collection dirt stoving mechanism between lifting machine and the screening mechanism, the lifting machine top is fixed with the heat preservation cover, and screening mechanism is including scraping material guide plate and support frame, scrapes the material guide plate and fixes on the support frame, and scrapes material guide plate slope setting, scrapes the material guide plate and contradicts at the end of lifting machine, and the below of scraping the material guide plate is equipped with a plurality of vibrating motor, and the top of support frame is equipped with patting mechanism, and patting mechanism is located the top of scraping the material guide plate.

The screening mechanism further comprises a screen body, a driving shaft and a rolling motor, the driving shaft is rotatably arranged on the support frame, the screen body is fixed on the driving shaft, the rolling motor is fixed above the support frame, the driving shaft is in transmission connection with an output shaft of the rolling motor through a coupler, three blanking ports are arranged below the support frame, and a blanking plate is arranged at the tail end of the support frame.

By adopting the structure, the rolling motor is started, the rolling motor drives the driving shaft to rotate, so that the screen body rotates, the abandoned soil is screened out of soil, sand and small stones in sequence from left to right through the screening of the screen body, and the blanking plate flows out of large-scale impurities such as large stones.

The screen frame and driving shaft constitute the roll screen, and the roll screen is the round platform body, and the roll screen is big about little, is equipped with a plurality of apertures sieve mesh that increase in proper order on the screen frame, scrapes the end of material guide plate and stretches into inside the roll screen.

The scraper guide plate scrapes the spoil of the track adhesion in the lifting machine, and the spoil is sent into inside the roll screen through the scraper guide plate, shakes through vibrating motor and looses the spoil, and the not big or small impurity separation in the spoil of the sieve mesh of equidimension on the roll screen.

The dust collection and drying mechanism comprises a fan, a hot air box and a dust collection box, the fan and the hot air box are fixed above the heat insulation cover, an air inlet end of the fan is connected with the hot air box, a hot air pipe is arranged between an air outlet end of the fan and the heat insulation cover, the dust collection box is fixed above the support frame, an air inlet of the dust collection box is provided with a third air inlet pipe, the third air inlet pipe extends into the rolling sieve, a filter layer is arranged at the upper end of the inside of the dust collection box, and a second air inlet pipe is arranged between an air outlet of the dust collection box and the hot air box.

By adopting the structure, the dust and air inside the rolling screen are sucked into the dust suction box through the air inlet pipe III by the fan, the dust is filtered by the filter layer, clean air enters the hot air box through the air inlet pipe II to be heated, the heated air enters the heat-insulating cover through the hot air box, waste soil on the elevator is dried, and subsequent screening is facilitated.

The front end of the heat preservation cover is provided with a moisture absorption box, a first air inlet pipe is arranged between one end of the moisture absorption box and the heat preservation cover, and an air outlet pipe is arranged between the other end of the moisture absorption box and the second air inlet pipe.

By adopting the structure, hot air with certain heat in the heat-insulating cover enters the moisture absorption box through the air inlet pipe I to absorb water vapor, and dry hot air with certain heat enters the hot air box through the air outlet pipe, so that the hot air is recycled, and the energy consumption is reduced.

The top of support frame is equipped with beater mechanism, beater mechanism is located the top of scraping the material guide plate, beater mechanism includes mounting panel and clapper board, be equipped with the slip loop bar of two symmetries and the spring of two symmetries between mounting panel and the clapper board, the slip loop bar of two symmetries is located the both sides of mounting panel and clapper board, the spring of two symmetries is located the interior survey of the slip loop bar of two symmetries, the mounting panel below is fixed with the patting motor, the output shaft of patting motor has the upper end of eccentric wheel, the top of clapper board is equipped with rotates the wheel, the eccentric wheel is contradicted and is taken turns in the rotation, the below of clapper board is equipped with a plurality of rubber nails.

Structure more than adopting starts the motor of patting, and the output shaft of the motor of patting drives the eccentric wheel and rotates, and the eccentric wheel conflicts the rotating wheel, makes the clapper board move down to pat the spoil loose, reset under the effect of spring again, so reciprocal.

Compared with the prior art, the dam construction spoil screening plant has the following advantages:

1. through collection dirt stoving mechanism, lifting machine and the cooperation of cover that keeps warm, can be quick dry the spoil, make things convenient for subsequent screening to handle, collection dirt stoving mechanism simultaneously collects the processing, and the environmental protection is healthy with the dust that produces in the roll screen.

2. Through scraping material guide plate, vibrating motor and patting mechanism cooperation, clap the spoil of drying and scatter, avoid the screening unclean.

3. Through the cooperation of the moisture absorption box, the air inlet pipe I, the air outlet pipe and the hot air box, hot air is recycled, energy consumption is reduced, and the environment-friendly concept is met.

4. Through screening mechanism, carry out efficient screening to dam spoil and handle, convenient classification can recycle the spoil.

Drawings

FIG. 1 is a schematic view in partial cross-section of the present invention;

FIG. 2 is a schematic view of the beater mechanism of the present invention;

in the figure: 1-elevator, 2-heat preservation cover, 3-moisture absorption box, 3 a-air inlet pipe I, 3 b-air outlet pipe, 4-fan, 4 a-hot air pipe, 4 b-hot air box, 4 c-air inlet pipe II, 5-dust absorption box, 5 a-filter layer, 5 b-air inlet pipe III, 6-screen body, 6 a-driving shaft, 7-rolling motor, 8-blanking plate, 9-support frame, 10-blanking port, 11-scraping guide plate, 12-vibration motor, 13-flapping mechanism, 13 a-sliding sleeve rod, 13 b-spring, 13 c-flapping motor, 13 d-eccentric wheel and 13 e-rotating wheel.

Detailed Description

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

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, the present embodiment provides a waste soil screening device for dam construction, including a hoisting machine 1 and a screening mechanism, a dust collecting and drying mechanism is disposed between the hoisting machine 1 and the screening mechanism, a heat insulation cover 2 is fixed above the hoisting machine 1, the screening mechanism includes a scraping guide plate 11 and a support frame 9, the scraping guide plate 11 is fixed on the support frame 9, the scraping guide plate 11 is disposed in an inclined manner, the scraping guide plate 11 abuts against the end of the hoisting machine 1, a plurality of vibrating motors 12 are disposed below the scraping guide plate 11, a flapping mechanism 13 is disposed above the support frame 9, and the flapping mechanism 13 is disposed above the scraping guide plate 11.

The screening mechanism further comprises a screen body 6, a driving shaft 6a and a rolling motor 7, wherein the driving shaft 6a is rotatably arranged on a support frame 9, the screen body 6 is fixed on the driving shaft 6a, the rolling motor 7 is fixed above the support frame 9, the driving shaft 6a is in transmission connection with an output shaft of the rolling motor 7 through a coupler, three blanking ports 10 are arranged below the support frame 9, and a blanking plate 8 is arranged at the tail end of the support frame 9; the rolling motor 7 is started, the rolling motor 7 drives the driving shaft 6a to rotate, so that the screen body 6 rotates, the abandoned soil is screened out of soil, sand and small stones sequentially from left to right through the screening of the screen body 6, and large impurities such as large stones flow out of the blanking plate 8.

The screen body 6 and the driving shaft 6a form a rolling screen, the rolling screen is a circular table body, the left side of the rolling screen is small, the right side of the rolling screen is large, a plurality of screen holes with sequentially increased apertures are formed in the screen body 6, and the tail end of the scraping guide plate 11 extends into the rolling screen; scraping the spoil that the track adhesion in the lifting machine 1 was scraped to the scraping guide plate 11, the spoil is sent into inside the roll screen through scraping guide plate 11, shakes through vibrating motor 12 and looses the spoil, and the big small impurity separation in the spoil is with the sieve mesh of equidimension not on the roll screen.

The dust collection and drying mechanism comprises a fan 4, a hot air box 4b and a dust collection box 5, the fan 4 and the hot air box 4b are fixed above the heat preservation cover 2, the air inlet end of the fan 4 is connected with the hot air box 4b, a hot air pipe 4a is arranged between the air outlet end of the fan 4 and the heat preservation cover 2, the dust collection box 5 is fixed above the support frame 9, an air inlet of the dust collection box 5 is provided with an air inlet pipe III 5b, the air inlet pipe III 5b extends into the rolling sieve, the upper end of the interior of the dust collection box 5 is provided with a filter layer 5a, and an air inlet pipe II 4c is arranged between the air outlet of the dust collection box 5 and the hot air box 4 b; the fan 4 sucks dust and air in the rolling screen into the dust suction box 5 through the third air inlet pipe 5b, the dust is filtered through the filter layer 5a, clean air enters the hot air box 4b through the second air inlet pipe 4c to be heated, the heated air enters the heat preservation cover 2 through the hot air box 4b, waste soil on the elevator 1 is dried, and subsequent screening is facilitated.

A moisture absorption box 3 is arranged at the front end of the heat preservation cover 2, a first air inlet pipe 3a is arranged between one end of the moisture absorption box 3 and the heat preservation cover 2, and an air outlet pipe 3b is arranged between the other end of the moisture absorption box 3 and a second air inlet pipe 4 c; the hot air with certain heat in the heat preservation cover 2 enters the moisture absorption box 3 through the air inlet pipe I3 a to absorb water vapor, the dry hot air with certain heat enters the hot air box 4b through the air outlet pipe 3b, and the hot air is recycled, so that the energy consumption is reduced.

The flapping mechanism 13 comprises a mounting plate and a flapping plate, two symmetrical sliding sleeve rods 13a and two symmetrical springs 13b are arranged between the mounting plate and the flapping plate, the two symmetrical sliding sleeve rods 13a are positioned at two sides of the mounting plate and the flapping plate, the two symmetrical springs 13b are positioned at the inner sides of the two symmetrical sliding sleeve rods 13a, a flapping motor 13c is fixed below the mounting plate, an output shaft of the flapping motor 13c is connected with the upper end of an eccentric wheel 13d, a rotating wheel 13e is arranged above the flapping plate, the eccentric wheel 13d is abutted against the rotating wheel 13e, and a plurality of rubber nails are arranged below the flapping plate; and starting the beating motor 13c, driving an eccentric wheel 13d to rotate by an output shaft of the beating motor 13c, and enabling the eccentric wheel 13d to abut against a rotating wheel 13e to enable the beating plate to move downwards so as to beat up the abandoned soil, resetting under the action of a spring 13b and reciprocating in such a way.

In this embodiment, the fixing manners are all the most commonly used fixing and connecting manners in the field, such as welding and the like; above-mentioned each electrical component is prior art product like fan 4, can directly purchase the use in the market, and concrete principle is no longer repeated.

The working principle of the utility model is as follows: firstly, in places where water conservancy dams need to be built, waste soil treatment is a difficult problem; the device can sieve the waste soil, can recycle stones, sand and the like, and simultaneously solves the problem of classified placement of the waste soil;

secondly, starting the elevator 1, the flapping motor 13c, the fan 4 and the rolling motor 7, placing the waste soil in the horizontal section of the elevator 1, lifting the waste soil by the elevator 1, sucking dust and air in the rolling screen into the dust suction box 5 through the air inlet pipe III 5b by the fan 4 during lifting, filtering the dust through the filter layer 5a, feeding clean air into the hot air box 4b through the air inlet pipe II 4c for heating, feeding the heated air into the heat preservation cover 2 through the hot air box 4b, and drying the waste soil on the elevator 1, so that subsequent screening is facilitated; hot air with certain heat in the heat-insulating cover 2 enters the moisture absorption box 3 through the air inlet pipe I3 a to absorb water vapor, and dry hot air with certain heat enters the hot air box 4b through the air outlet pipe 3b, so that the hot air is recycled, and the energy consumption is reduced;

thirdly, the scraping guide plate 11 scrapes the waste soil adhered to the crawler in the hoister 1, the waste soil is sent into the rolling screen through the scraping guide plate 11, the waste soil is vibrated to be scattered through the vibration of the vibration motor 12, an output shaft of the flapping motor 13c drives the eccentric wheel 13d to rotate, the eccentric wheel 13d abuts against the rotating wheel 13e, the flapping plate moves downwards, the waste soil is scattered, the beating motor is reset under the action of the spring 13b, and the operation is repeated; the rolling motor 7 drives the driving shaft 6a to rotate, so that the sieve body 6 rotates, the abandoned soil is screened by the sieve body 6, soil, sand and small stones are sequentially screened from left to right, and large impurities such as large stones and the like flow out of the blanking plate 8;

and fourthly, sand, stones and the like can be reused as building materials, and impurities such as soil are transported to a special spoil disposal area by vehicles and the like.

In conclusion, the dust collecting and drying mechanism, the hoister 1 and the heat-insulating cover 2 are matched, so that the abandoned soil can be quickly dried, the subsequent screening treatment is convenient, and meanwhile, the dust collecting and drying mechanism collects and treats the dust generated in the rolling screen, so that the dust collecting and drying device is environment-friendly and healthy; the dried spoil is scattered through the matching of the scraping guide plate 11, the vibration motor 12 and the beating mechanism 13, so that the incomplete screening is avoided; the moisture absorption box 3, the air inlet pipe I3 a, the air outlet pipe 3b and the hot air box 4b are matched to recycle hot air, so that the energy consumption is reduced, and the environment-friendly concept is met; through screening mechanism, carry out efficient screening to dam spoil and handle, convenient classification can recycle the spoil.

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

Claims (6)

1. The utility model provides a dam construction spoil screening plant, includes lifting machine (1) and screening mechanism, a serial communication port, be equipped with collection dirt stoving mechanism between lifting machine (1) and the screening mechanism, lifting machine (1) top is fixed with heat preservation cover (2), screening mechanism is including scraping material guide plate (11) and support frame (9), scrape material guide plate (11) and fix on support frame (9), and scrape material guide plate (11) slope setting, scrape the end of contradicting at lifting machine (1) of material guide plate (11), the below of scraping material guide plate (11) is equipped with a plurality of vibrating motor (12), the top of support frame (9) is equipped with beater mechanism (13), beater mechanism (13) are located the top of scraping material guide plate (11).

2. The dam construction spoil screening device according to claim 1, characterized in that the screening mechanism further comprises a screen body (6), a driving shaft (6 a) and a rolling motor (7), wherein the driving shaft (6 a) is rotatably arranged on a support frame (9), the screen body (6) is fixed on the driving shaft (6 a), the rolling motor (7) is fixed above the support frame (9), output shafts of the driving shaft (6 a) and the rolling motor (7) are in transmission connection through a coupler, three blanking ports (10) are arranged below the support frame (9), and a blanking plate (8) is arranged at the tail end of the support frame (9).

3. The dam construction spoil screening device according to claim 2, wherein the screen body (6) and the driving shaft (6 a) form a rolling screen, the rolling screen is a circular truncated cone, the left side of the rolling screen is small, the right side of the rolling screen is large, a plurality of screen holes with successively increasing apertures are formed in the screen body (6), and the tail end of the scraping guide plate (11) extends into the rolling screen.

4. The dam construction waste soil screening device according to claim 3, wherein the dust collection and drying mechanism comprises a fan (4), a hot air box (4 b) and a dust collection box (5), the fan (4) and the hot air box (4 b) are fixed above the heat insulation cover (2), the air inlet end of the fan (4) is connected with the hot air box (4 b), a hot air pipe (4 a) is arranged between the air outlet end of the fan (4) and the heat insulation cover (2), the dust collection box (5) is fixed above the support frame (9), an air inlet of the dust collection box (5) is provided with a third air inlet pipe (5 b), the third air inlet pipe (5 b) extends into the rolling screen, the upper end of the interior of the dust collection box (5) is provided with a filter layer (5 a), and a second air inlet pipe (4 c) is arranged between the air outlet of the dust collection box (5) and the hot air box (4 b).

5. The dam construction spoil screening device according to claim 3 or 4, wherein a moisture absorption box (3) is arranged at the front end of the heat preservation cover (2), a first air inlet pipe (3 a) is arranged between one end of the moisture absorption box (3) and the heat preservation cover (2), and an air outlet pipe (3 b) is arranged between the other end of the moisture absorption box (3) and a second air inlet pipe (4 c).

6. A dam construction spoil screening device according to claim 4, wherein the support frame (9) is provided with a flapping mechanism (13) above the scraping guide plate (11), the flapping mechanism (13) is arranged above the scraping guide plate (11), the flapping mechanism (13) comprises a mounting plate and a flapping plate, two symmetrical sliding sleeve rods (13 a) and two symmetrical springs (13 b) are arranged between the mounting plate and the flapping plate, the two symmetrical sliding sleeve rods (13 a) are arranged at two sides of the mounting plate and the flapping plate, the two symmetrical springs (13 b) are arranged at the inner sides of the two symmetrical sliding sleeve rods (13 a), a flapping motor (13 c) is fixed below the mounting plate, the output shaft of the flapping motor (13 c) is connected with the upper end of an eccentric wheel (13 d), a rotating wheel (13 e) is arranged above the flapping plate, and the eccentric wheel (13 d) is abutted against the rotating wheel (13 e), a plurality of rubber nails are arranged below the beating plate.

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