CN220644297U - Dam slope sand gravel laying device - Google Patents

Abstract

The utility model discloses a dam slope sand gravel paving device, and belongs to the technical field of hydraulic engineering. This dam slope sand gravel laying device includes screening case, a plurality of screening plates, the discharging pipe, vibration subassembly, remove subassembly and scraper blade, screening case top is equipped with the charge door, the charge door below is equipped with the storage chamber, the bottom of storage chamber is equipped with the feed outlet, a plurality of screening plates are by high to low transversely locating screening incasement respectively, be equipped with the discharge gate on the lateral wall of screening case, discharge gate and screening plate one-to-one, the screening case outside is located to the discharging pipe, the discharge gate all communicates with the discharging pipe, vibration subassembly locates screening incasement for make screening plate vibration, remove the subassembly, locate screening case bottom, be used for making screening case remove, the bottom of screening case is located to the scraper blade, be located the rear of discharging pipe discharge end. The dam slope sand and gravel paving device can enable sand and gravel to be reasonably paved on a dam slope according to a certain grading.

Description

Dam slope sand gravel laying device

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a dam slope sand gravel paving device.

Background

The slope protection is an important component of the external structure of the earth-rock dam, and has the main functions of protecting the dam body from wave brushing, downhill water flow scouring and floaters, and preventing the dam body from damage caused by stormy waves, ice layers and water flows at the positions of rainwater, strong wind and tail water and damage caused by factors of animal frost heaving and dry cracking. The pad layer is paved under the slope protection, especially on the water surface of the reservoir, and the pad layer should be paved according to the requirements of the reverse filtering layer so as to ensure that the osmotic water in the dam body is smoothly discharged when the reservoir water level is cut down, and finer dam body soil is not taken away.

The utility model provides a sand gravel paving device for a dam slope, which is characterized in that gravel stones are widely distributed on a river bed and a beach land of the bank slope, the construction cost is low, the compression property is low, the shear strength and the deformation modulus are high, the construction is easy to compact, and the like.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a dam slope sand and gravel paving device which can enable sand and gravel to be reasonably paved on a dam slope according to a certain distribution.

The utility model provides a dam slope sand gravel paving device, which comprises:

the screening box is provided with a storage chamber below the charging hole, the storage chamber is funnel-shaped, the bottom of the storage chamber is provided with a material leakage hole, and a first electric control valve is arranged in the material leakage hole;

the screening plates are transversely arranged in the screening box from high to low and are positioned below the material leakage holes, the screening plates are provided with screen holes, the diameters of the screen holes on the screening plates from low to high are sequentially increased from zero, one ends of the screening plates are hinged in the screening box through first hinges respectively, the side walls of the screening box are provided with discharge holes, the discharge holes are in one-to-one correspondence with the screening plates, the discharge holes are positioned above the corresponding first hinges, the height of one side, away from the first hinges, of the screening plates is greater than or equal to that of the other side, the discharge holes are internally provided with second electric control valves, and the first electric control valves and the second electric control valves are electrically connected with a power supply;

the discharging pipe is arranged at the outer side of the screening box, the discharging holes are communicated with the discharging pipe, and the discharging end of the discharging pipe is lower than the discharging hole;

the vibration assembly is arranged in the screening box and used for enabling the screening plate to vibrate by taking the first hinge as an axis;

the moving assembly is arranged at the bottom of the screening box and used for moving the screening box;

the scraping plate is transversely arranged at the bottom of the screening box and positioned behind the discharge end of the discharge pipe, and the scraping plate is perpendicular to the moving direction of the screening box.

Preferably, the vibration assembly comprises a first electric push rod, one end of the screening plate is hinged to the same side in the screening box through a first hinge, a first sliding groove is formed in the side face of one side, away from the first hinge, of the screening plate, the first sliding groove is parallel to the screening plate and perpendicular to the first hinge, the first electric push rod is vertically and fixedly connected to the bottom in the screening box, a first sliding block is arranged on a movable rod of the first electric push rod, the first sliding block is slidably connected in the first sliding groove, and the first electric push rod is electrically connected with a power supply.

Preferably, when the first electric push rod extends to the maximum length, the top of the movable rod of the first electric push rod can extend into the material leakage opening, and when the first electric push rod shortens to the minimum length, the top of the movable rod of the first electric push rod is positioned below the material leakage opening.

Preferably, the screening box further comprises a base, the base is arranged at the bottom of the screening box, one end of the base is hinged to the screening box through a second hinge, the second hinge is parallel to the first hinge, the second hinge is located on one side of the base, which is close to the first hinge, the scraping plate is connected to the bottom of the base, a second electric push rod is further arranged on the base and is vertically and fixedly connected to the base, a second sliding groove is arranged on the outer side wall of the screening box, the second sliding groove is transversely arranged and perpendicular to the second hinge, a second sliding block is arranged on a movable rod of the second electric push rod and is slidably connected to the second sliding groove, and the second electric push rod is electrically connected with a power supply.

Preferably, the screening box further comprises a rolling roller, wherein the rolling roller is rotationally connected to the bottom of the screening box and is located behind the scraping plate, and the rolling roller is parallel to the scraping plate.

Preferably, the height of the scraper on the screening box is adjustable.

Preferably, a plurality of rolling rollers are provided, and the rolling rollers are distributed from front to back on the screening box.

Preferably, the height of the roller on the screening box is adjustable.

Preferably, the movable assembly comprises a winding drum, a winding rope and a movable wheel, wherein the winding drum is fixedly connected to the top of a dam slope, the winding drum is driven by a motor, the winding rope is wound on the winding drum, the free end of the winding rope is fixedly connected to the base, and the movable wheel is connected to the bottom of the base.

Compared with the prior art, the utility model has the following advantages:

according to the dam slope sand gravel paving device, sand gravel is added into a storage chamber from a charging hole by arranging the screening box, the screening plates, the discharging pipe, the vibrating assembly, the moving assembly and the scraping plate, the first electric control valve is opened, the vibrating assembly is started at the same time, the sand gravel falls onto the screening plate below from the discharging hole, the diameters of the sieve holes on the screening plates from low to high are sequentially increased, so that larger sand gravel is left on the screening plate above, smaller sand gravel falls downwards, the second electric control valve corresponding to the screening plate with the diameter corresponding to the sand gravel to be paved is opened, the discharging hole is opened, the sand gravel gradually approaches to the discharging hole in vibration and enters the discharging pipe from the discharging hole, the moving assembly is utilized to enable the screening box to move forwards, the scraping plate to scrape the sand gravel evenly until the sand gravel layer is completed, and then the sand gravel layer of the second sand gravel is paved again, so that the sand gravel can be paved on a certain slope reasonably according to the grading.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a screening box according to the present utility model;

fig. 3 is a schematic partial cross-sectional view a of the present utility model.

Detailed Description

Specific embodiments of the present utility model will be described in detail below with reference to fig. 1-3, but it should be understood that the scope of the present utility model is not limited by the specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a dam slope sand gravel paving device, which comprises a base 1, a screening box 2, a plurality of screening plates 3, a discharging pipe 4, a vibrating assembly, a moving assembly and a scraping plate 5, wherein the top of the screening box 2 is provided with a feed inlet 21, a storage chamber 22 is arranged below the feed inlet 21, the storage chamber 22 is funnel-shaped, the bottom of the storage chamber 22 is provided with a material leakage opening 221, a first electric control valve is arranged in the material leakage opening 221, the screening plates 3 are respectively transversely arranged in the screening box 2 from high to low and are positioned below the material leakage opening 221, the screening plates 3 are provided with screen holes 31, the diameters of the screen holes 31 on the screening plates 3 from low to high are sequentially increased from zero, one ends of the screening plates 3 are respectively hinged in the screening box 2 through first hinges, the side walls of the screening boxes 2 are provided with discharge openings 23, the discharge openings 23 are in one-to-one correspondence with the screening plates 3, the discharge openings 23 are positioned above the corresponding first hinges, the screening plate 3 is far away from the first hinge and has one side with its height greater than or equal to that of the other side, the discharge port 23 is internally provided with a second electric control valve, the first electric control valve and the second electric control valve are connected with a power supply through wires, the discharge pipe 4 is arranged outside the screening box 2, the discharge port 23 is communicated with the discharge pipe 4, the discharge end of the discharge pipe 4 is lower than the discharge port 23, the vibration assembly comprises a first electric push rod 6, one end of the screening plate 3 is hinged to the same side in the screening box 2 through a first hinge, the side of the screening plate 3 far away from the first hinge is provided with a first chute 32, the first chute 32 is parallel to the screening plate 3 and perpendicular to the first hinge, the first electric push rod 6 is vertically and fixedly connected to the bottom in the screening box 2, a first slide block 61 is arranged on a movable rod of the first electric push rod 6 and is slidingly connected in the first chute 32, the first electric push rod 6 is electrically connected with the power supply, the screening box 2's bottom is located to base 1, the one end of base 1 is articulated with screening box 2 through the second hinge, the second hinge is parallel with first hinge, the second hinge is located one side that is close to first hinge on the base 1, scraper blade 5 is connected in the bottom of base 1, still be equipped with second electric putter 11 on the base 1, second electric putter 11 vertical fixed connection is on base 1, be equipped with second spout 24 on screening box 2's the lateral wall, second spout 24 transversely sets up and is perpendicular with the second hinge, be equipped with second slider 111 on the movable rod of second electric putter 11, second slider 111 sliding connection is in second spout 24, second electric putter 11 passes through the wire with the power and is connected, moving assembly includes reel 8, wire winding 81 and movable wheel 82, reel 8 fixed connection is in the dam slope top, reel 8 passes through motor drive, wire winding 81 is located on reel 8, wire winding 81's free end fixed connection is on base 1, movable wheel 82 is fixed connection is in the bottom of base 1, the motor passes through the wire connection with the power, scraper blade 5, transversely locate screening box 2's bottom, be located in the rear of discharging pipe 4, the direction of the removal of scraper blade 5 and the screening box 2 is perpendicular.

Working principle:

the winding drum 8 is arranged at the top of a dam slope, the screening boxes 2 are arranged at the bottom of the corresponding dam slope, sand and gravel are added into the storage chamber 22 from the charging hole 21, the first electric control valve is opened, the sand and gravel fall onto the screening plates 3 from the material leakage hole 221, meanwhile, the first electric push rod 6 is started, the first electric push rod 6 performs telescopic action, the first electric push rod 6 slides in the first sliding groove 32 through the first sliding block 61, and all the screening plates 3 vibrate up and down around the corresponding first hinge, so that the smaller sand and gravel fall onto the screening plates 3 below from the corresponding sieve holes 31, and the screening of the sand and gravel with different particle sizes is realized;

meanwhile, the discharge holes 23 are positioned above the corresponding first hinges, and the height of one side, far away from the first hinges, of the screening plate 3 is larger than or equal to that of the other side, so that the screening plate 3 can gradually move towards the corresponding discharge holes 23 in the process of screening;

starting a motor to drive a winding drum 8 to rotate, winding a winding rope 81, and pulling a base 1, so that a screening box 2 is pulled to a dam slope, when the discharge end of a discharge pipe 4 reaches a position where sand gravel needs to be paved, opening a discharge hole 23 corresponding to a screening plate 3 with the particle size corresponding to the sand gravel needs to be paved, and falling into the discharge pipe 4 through the discharge hole 23 on the corresponding screening plate 3 and falling to the dam slope through the discharge end of the discharge pipe 4;

meanwhile, the second electric push rod 11 is started, so that the second electric push rod 11 stretches, the second chute 24 and the screening box 2 are jacked up, and the screening box 2 rotates around the second hinge, so that when the base 1 is pulled to incline on a dam slope, the screening box 2 can be kept still from inclining;

after the sand and gravel fall on the dam slope, the scraping plate 5 can scrape the sand and gravel uniformly, so that the sand and gravel are prevented from being piled at the same place;

until the layer of sand gravel is paved, the motor drives the winding drum 8 to rotate reversely, so that the screening box 2 returns to the bottom of the dam slope again through gravity, and the next layer of sand gravel is paved, so that the sand gravel can be reasonably paved on the dam slope according to a certain grading.

As a preferable mode, when the first electric push rod 6 extends to the maximum length, the top of the movable rod of the first electric push rod 6 can extend into the material leakage hole 221, when the first electric push rod 6 shortens to the minimum length, the top of the movable rod of the first electric push rod 6 is positioned below the material leakage hole 221, by adopting the technical scheme, the first electric push rod 6 can drive the sieving plate 3 to vibrate and simultaneously enter and exit the material leakage hole 221, so that dredging is performed, sand gravel is prevented from blocking the material leakage hole 221, and the practicability of the utility model is further improved.

As a preferable mode, the novel sand and gravel screening device further comprises a rolling roller 7, wherein the rolling roller 7 is rotatably connected to the bottom of the screening box 2 and is positioned behind the scraping plate 5, and the rolling roller 7 is parallel to the scraping plate 5.

As a preferable mode, the height of the scraping plate 5 on the screening box 2 is adjustable, and by adopting the technical scheme, the height of the scraping plate 5 can be adjusted according to different heights of the paved sand and gravel, so that the practicability of the utility model is further improved.

As a preferred mode, a plurality of rolling rollers 7 are arranged, the rolling rollers 7 are distributed on the screening box 2 from front to back, and by adopting the technical scheme, sand and gravel can be further tamped through the rolling of the plurality of rolling rollers 7, so that the practicability of the utility model is further improved.

As a preferred mode, the height of the grinding roller 7 on the screening box 2 is adjustable, and by adopting the technical scheme, the height of the grinding roller 7 can be adjusted according to different heights of the laid sand and gravel, so that the practicability of the utility model is further improved.

It should be noted that in this context, the direction of movement of the screening box 2 during operation is the front of the present utility model and the opposite direction is the back of the present utility model, and 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. Moreover, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A dam slope sand gravel placement device, comprising:

the screening box (2) is provided with a feed inlet (21) at the top, a storage chamber (22) is arranged below the feed inlet (21), the storage chamber (22) is funnel-shaped, a material leakage opening (221) is arranged at the bottom of the storage chamber (22), and a first electric control valve is arranged in the material leakage opening (221);

the screening plates (3) are transversely arranged in the screening box (2) from high to low and are positioned below the material leakage holes (221), screen holes (31) are formed in the screening plates (3), diameters of the screen holes (31) on the screening plates (3) from low to high are sequentially increased from zero, one ends of the screening plates (3) are hinged in the screening box (2) through first hinges respectively, discharge holes (23) are formed in the side walls of the screening box (2), the discharge holes (23) are in one-to-one correspondence with the screening plates (3), the discharge holes (23) are positioned above corresponding first hinges, the height of one side, away from the first hinges, of the screening plates (3) is greater than or equal to that of the other side, second electric control valves are arranged in the discharge holes (23), and the first electric control valves and the second electric control valves are electrically connected with a power supply;

the discharging pipe (4) is arranged at the outer side of the screening box (2), the discharging holes (23) are communicated with the discharging pipe (4), and the discharging end of the discharging pipe (4) is lower than the discharging hole (23);

the vibration assembly is arranged in the screening box (2) and is used for enabling the screening plate (3) to vibrate by taking the first hinge as an axis;

the moving assembly is arranged at the bottom of the screening box (2) and is used for moving the screening box (2);

the scraping plate (5) is transversely arranged at the bottom of the screening box (2) and is positioned behind the discharge end of the discharge pipe (4), and the scraping plate (5) is perpendicular to the moving direction of the screening box (2).

2. The dam slope sand and gravel paving device according to claim 1, wherein the vibration assembly comprises a first electric push rod (6), one end of the screening plate (3) is hinged to the same side in the screening box (2) through a first hinge, a first chute (32) is formed in the side surface, far away from the first hinge, of the screening plate (3), the first chute (32) is parallel to the screening plate (3) and perpendicular to the first hinge, the first electric push rod (6) is vertically and fixedly connected to the bottom in the screening box (2), a first sliding block (61) is arranged on a movable rod of the first electric push rod (6), the first sliding block (61) is slidably connected in the first chute (32), and the first electric push rod (6) is electrically connected with a power supply.

3. A dam slope sand and gravel placement device according to claim 2, characterized in that the movable bar top of the first electric putter (6) can extend into the leakage orifice (221) when the first electric putter (6) is extended to a maximum length, and that the movable bar top of the first electric putter (6) is located below the leakage orifice (221) when the first electric putter (6) is shortened to a minimum length.

4. The dam slope sand gravel paving device according to claim 1, further comprising a base (1), wherein the base (1) is arranged at the bottom of the screening box (2), one end of the base (1) is hinged with the screening box (2) through a second hinge, the second hinge is parallel to the first hinge, the second hinge is located at one side, close to the first hinge, of the base (1), the scraper blade (5) is connected to the bottom of the base (1), the base (1) is further provided with a second electric push rod (11), the second electric push rod (11) is vertically and fixedly connected to the base (1), a second slide groove (24) is arranged on the outer side wall of the screening box (2), the second slide groove (24) is transversely arranged and perpendicular to the second hinge, a second slide block (111) is arranged on a movable rod of the second electric push rod (11), the second slide block (111) is slidably connected to the second slide groove (24), and the second electric push rod (11) is electrically connected to a power supply.

5. A dam slope sand and gravel paving apparatus as claimed in claim 1 further comprising a roller (7), said roller (7) rotatably connected to the bottom of said screen box (2) and located behind said blade (5), said roller (7) being parallel to said blade (5).

6. A dam slope sand and gravel placement device according to claim 1, characterized in that the height of said scraper (5) on the screening box (2) is adjustable.

7. A dam slope sand and gravel placement device according to claim 5, characterized in that said crushing rolls (7) are provided in number, said crushing rolls (7) being distributed from front to back over the screening box (2).

8. A dam slope sand and gravel placement device according to claim 5, characterized in that the height of said grinding rolls (7) on the screening box (2) is adjustable.

9. The dam slope sand and gravel paving device according to claim 4, wherein the moving assembly comprises a winding drum (8), a winding rope (81) and a moving wheel (82), the winding drum (8) is fixedly connected to the top of the dam slope, the winding drum (8) is driven by a motor, the winding rope (81) is wound on the winding drum (8), the free end of the winding rope (81) is fixedly connected to the base (1), and the moving wheel (82) is connected to the bottom of the base (1).