CN220200360U - Earthwork conveyer - Google Patents

Abstract

The utility model discloses an earthwork conveyor in the technical field of foundation pit unearthing devices, and aims to solve the problems that in the prior art, when earthwork with high water content is conveyed, the efficiency is low and waste water resources cannot be reasonably utilized. The device comprises a filtering device arranged in a slag inlet area of a conveying belt, a drain valve communicated with a water storage device arranged in a filtering area below the filtering device, and the water storage device collects waste water filtered from the earth through a water pump electrically connected with a water level controller arranged in the filtering device; when the water level of the river is higher under the conditions of raining, digging to the underground water network and the vicinity of a construction area, the automatic water storage is realized while the water content of the earthwork is reduced and the working efficiency of the earthwork conveyor is improved, the stored wastewater can be used for working steps of concrete pouring, water adding dilution, tank truck ex-situ cleaning, pump truck cleaning and pipe cleaning, ground dust emission treatment by spraying, template garbage cleaning and the like, which have low requirements on water quality, and water resources are saved.

Description

Earthwork conveyer

Technical Field

The utility model relates to an earthwork conveyor, and belongs to the technical field of foundation pit unearthing devices.

Background

Underground garages, underground markets and underground comprehensive pipe gallery projects of high-rise buildings in urban construction usually adopt an open cut method with low price and difficulty to carry out foundation pit excavation construction, when the construction encounters rain, digs into an underground water network, and the river water level becomes high near a construction area, the foundation pit is easy to accumulate water, so that the water content of earthwork is too high, and the soil is difficult to unearth; when the water content of the earthwork is high to mud, the earthwork is difficult to transport by a conveyor, and the mandatory environmental protection regulation of the urban sewer system is not met; meanwhile, the water demand for construction in the city is large, and the water is required for concrete pouring, water adding dilution, tank truck ex-situ cleaning, pump truck cleaning and pump pipe, ground dust emission treatment by spraying and template garbage cleaning, so that the municipal water consumption of the city is high; the existing conveyor is simple to transplant a conveyor belt for conveying ores in a mine, and the efficiency is low when conveying earthwork with high water content.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide an earthwork conveyor with high conveying efficiency and peak-shifting regulation and control of construction water requirements.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides an earthwork conveyor, which comprises a conveying belt, wherein a slag inlet area of the conveying belt comprises a filtering device for filtering wastewater in earthwork, and a drain valve communicated with a water storage device is arranged in a filtering area below the filtering device;

the drain valve is communicated with the water storage device through a first pipeline, and a water pump is arranged on the first pipeline;

the filtering device is provided with a water level controller which is electrically connected with the water pump.

Further, the slag discharging area of the conveying belt is communicated with the rotary feeder.

Further, the water storage device is arranged in a slag discharging area of the conveying belt, and a spraying device communicated with the water storage device is arranged in the earthwork conveyor.

Further, the first pipeline is communicated with the municipal pipeline through a second pipeline, a first valve is arranged between the second pipeline access point and the water pump on the first pipeline, and a second valve is arranged on the second pipeline.

Further, a curved surface stacking plate for stacking earthwork is arranged in the slag inlet area of the conveying belt, and the curved surface shape of the curved surface stacking plate is matched with a sweeping surface generated by the operation of a conveying hopper of the conveying belt in the slag inlet area.

Further, the curved surface stacker plate is provided with a pressure switch which is electrically connected with a driving device for driving the conveyor belt to run.

Further, each conveying hopper of the conveying belt is provided with a chain plate matched with each other from head to tail, and adjacent conveying hoppers are hinged with the chain plates from head to tail through chain pins to form a chain-shaped structure; the gears of the driving device for driving the conveyer belt to run are matched with the chain-shaped structure.

Further, an elastic stop block which is impacted with the conveying hopper to generate vibration is arranged on the running path of the conveying belt on the inner wall of the shell.

Further, the soil containing surface of the conveying hopper is densely provided with drainage micropores.

Further, an outlet of the rotary feeder is provided with a light sensing switch, and the rotary feeder is started when the light sensing switch detects a vehicle.

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

according to the earthwork conveyor provided by the utility model, the filtering device is arranged in the slag inlet area of the conveying belt, the sewage discharging valve communicated with the water storage device is arranged in the filtering area below the filtering device, and the water storage device collects waste water filtered from earthwork through the water pump connected with the water level controller arranged in the filtering device in an electric signal manner; when raining, digging a groundwater network and increasing river water level near a construction area, realizing automatic water storage while reducing the water content of earthwork and improving the working efficiency of an earthwork conveyor, wherein the stored wastewater can be used for working steps of concrete pouring, water adding dilution, tank truck ex-situ cleaning, pump truck cleaning and pipe cleaning, ground dust emission treatment by spraying, template garbage cleaning and the like, which have low requirements on water quality, so that water resources are saved;

the water storage device is arranged in a slag discharging area of the conveying belt, a spraying device communicated with the water storage device is arranged in the earthwork conveyor, and the earthwork conveyor is wetted when the dry and running friction resistance is large by utilizing the gravity potential difference.

Drawings

FIG. 1 is a schematic view of an earth moving conveyor according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the earth moving conveyor of FIG. 1 with the intermediate repeating section of the conveyor belt omitted and the tripper section;

FIG. 3 is a schematic view of the slag entering region of the conveyor of FIG. 2;

FIG. 4 is a graph of the piping relationship of the wastewater treatment of FIG. 1;

FIG. 5 is a schematic view of the unloader of FIG. 1;

FIG. 6 is a schematic illustration of the interconnection of the conveyor hoppers of FIG. 1;

in the figure: 1-a foundation pit; 21-a soil residue pouring opening; 210-a curved surface stacker plate; 211-pressure switch; 22-a housing; 23-a conveyor belt; 24-conveying hopper; 241-chain pins; 242-link plates; 25-a driving device; 26-elastic stop; 27-a filtration device; 28-a water level controller; 29-a blow-down valve; 30-a first pipeline; 31-a second line; 32-a water pump; 33-a first valve; 34-a second valve; 35-spraying device; 36-a third line; 4-a water storage device; 5-unloading machine; 51-rotary feeder.

Detailed Description

The following detailed description of the technical solutions of the present application will be made with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and the technical features of the embodiments and embodiments of the present application may be combined with each other without conflict.

Example 1

The embodiment provides an earthwork conveyor to solve the problems of low working efficiency and water resource waste of the conveyor in the prior art.

Referring to fig. 1, 2 and 3, the earthwork conveyor provided in this embodiment includes a conveyor belt 23 for conveying earthwork, the conveyor belt 23 is driven by a driving device 25 to descend the earthwork and convey the earthwork from a slag-entering area where a foundation pit 1 is located to a slag-discharging area on the ground, when the earthwork is rainy, a groundwater net is dug, and a water level in the vicinity of a construction area becomes high, the water is easy to accumulate in the pit, so that the earthwork water content is too high, and thus, a filtering device 27 for filtering wastewater in the earthwork is arranged in the slag-entering area, a drain valve 29 communicated with a water storage device 4 is arranged in the filtering area below the filtering device 27, the drain valve 29 is communicated with the water storage device 4 through a first pipeline 30, and a water pump 32 for pumping wastewater in the filtering area into the water storage device 4 through the drain valve 29 is arranged in the first pipeline 30; the filter device 27 is provided with a water level controller 28 electrically connected to a water pump 32, and the water level controller 28 includes: reed pipe water level controller, floating ball magnetic switch liquid level controller, electrode type water level controller and pressure type water level controller.

In the embodiment, the filtering device 27 is a metal filter screen with good economic benefit and difficult damage, and a plurality of layers of filter screens can be further arranged from small to large according to the number of meshes from top to bottom, and the filter screens can be detached and arranged easily for disassembly and cleaning; considering the sedimentation phenomenon in the wastewater, the water inlet of the blow-down valve 29 is slightly higher than the bottom of the filtering area to prevent the blockage by sediment.

The water storage device 4 is arranged in the slag discharging area of the conveying belt 23, so that the stored wastewater can be more conveniently used for concrete pouring, water adding dilution, tank car ex-situ cleaning, pump truck cleaning and pipe cleaning, ground dust emission treatment by spraying, template garbage cleaning and other working steps with low requirements on water quality; the spraying device 35 is arranged at the top of the shell 22 and is communicated with the water storage device 4 through a third pipeline 36, and when the earthwork conveyor is excessively dry, the spraying device 35 can be used for spraying and wetting the conveying belt 23 to reduce running friction resistance caused by drying, and the spraying device 35 can be used for cleaning waste soil deposited on each adjacent conveying hopper 24 in sequence.

To increase flexibility in the use and treatment of wastewater, referring to the flow directions of municipal water and wastewater shown by arrows in fig. 4 and 4, the first pipeline 30 is communicated with municipal pipelines including municipal water pipes and underground water pipes through the second pipeline 31; after the wastewater filtered by the filtering device 27 reaches the environmental protection discharge requirement, when the water storage device 4 is full, the first valve 33 positioned on the first pipeline 30 and the second valve 34 positioned on the second pipeline 31 can be opened, and the water pump 32 discharges the wastewater to the municipal pipeline; when the lower filtering area of the filtering device 27 and the water storage device 4 lack water, the first valve 33 can be closed, and the second valve 34 can be opened to supplement water for the water storage device 4 in an emergency.

In order to improve the operation efficiency of the conveyor belt 23, a curved surface stacking plate 210 for stacking earthwork is arranged in the slag entering area of the conveyor belt 23, and the curved surface shape of the curved surface stacking plate 210 is matched with a sweeping surface generated by the operation of a conveying hopper 24 of the conveyor belt 23 in the slag entering area; the waste soil poured from the conveyor to the soil pouring opening 21 falls onto the curved surface stacking plate 210, and when each conveying hopper 24 runs to the curved surface stacking plate 210, the waste soil can be hung up to prevent the waste soil from accumulating above the filtering device 27; in order to save energy, a pressure switch 211 which is electrically connected with a driving device 25 for driving the conveyer belt 23 to operate is arranged at the curved surface stacking plate 210, and when the conveyer vehicle dumps the waste soil to the soil and residue dumping opening 21, the curved surface stacking plate 210 is pressurized and the driving device 25 is started to operate the conveyer belt 23; in order to meet the requirement of flexible switching at any time, the driving device 25 in this embodiment is preferably a motor.

In order to reduce the complexity of the structure and further improve the robustness, each conveying hopper 24 of the converging conveying belt 23 is provided with a chain plate 242 which is matched with each other from end to end, and adjacent conveying hoppers 24 are hinged with the chain plate 242 from end to end through chain pins 241 to form a chain-shaped structure; correspondingly the gears of the drive means 25 are matched to the chain-like structure; in addition, referring to fig. 6, in this embodiment, drainage micropores are densely distributed on the soil containing surface of the conveying hopper 24, so as to further reduce the water content of the earthwork; the inner wall of the shell 22 is provided with an elastic stop block 26 which is impacted with the conveying hopper 24 to generate vibration on the running path of the conveying belt 23, the conveying hopper 24 is impacted with the elastic stop block 26 to generate vibration, the conveying belt 23 continues to run, the elastic stop block 26 is separated from the elastic stop block 26 to reset and then generate vibration once, waste soil deposited on the conveying hopper 24 can be vibrated away, the normal action of dense drainage micropores on the soil containing surface of the conveying hopper 24 is ensured, and further the elastic stop block 26 can be arranged on the running path part of the conveying belt 23 from a slag discharging area to a slag entering area and simultaneously the surface containing surface of the conveying hopper 24 is downward.

Referring to fig. 1 and 5, the discharger 5 of the slag discharging area of the conveyor belt 23 includes a rotary feeder 51, and the rotary feeder 51 quantitatively discharges waste soil to a carrier vehicle, thereby facilitating quantitative management and rough soil volume calculation; a light sensing switch is arranged at the outlet of the rotary feeder 51, the rotary feeder 51 is started when the light sensing switch detects a vehicle, a driver of the transport vehicle combining the function of quantitatively discharging waste soil by the rotary feeder 51 can estimate whether the waste soil is full according to the residence time under the rotary feeder 51, and a wagon balance with a display screen can be arranged below the rotary feeder 51 to prompt the driver of the transport vehicle; the sensor part of the light sensing switch can select an optical eye or a range finder.

The earthwork conveyor provided by the embodiment can be vertically arranged, and the slag entering area and the slag discharging area of the conveying belt 23 are positioned in the upper end and the lower end of the shell 22, so that the construction site which is in tension in the city is saved.

The foundation pit unearthing mode in the prior art comprises relay unearthing of the excavator, lifting and unearthing of the gantry crane and lifting and unearthing of the truss crane, the prior art has large earlier-stage workload, lower working efficiency when processing waste soil with high water content and is easy to generate ground dust.

In the earthwork conveyor provided by the embodiment, a filtering device 27 is arranged in a slag entering area of a conveying belt 23, a drain valve 29 communicated with a water storage device 4 is arranged in a filtering area below the filtering device 27, and the water storage device 4 collects wastewater filtered from earthwork through a water pump 32 electrically connected with a water level controller 28 arranged in the filtering device 27; when raining, digging a groundwater network and increasing river water level near a construction area, realizing automatic water storage while reducing the water content of earthwork and improving the working efficiency of an earthwork conveyor, wherein the stored wastewater can be used for working steps of concrete pouring, water adding dilution, tank truck ex-situ cleaning, pump truck cleaning and pipe cleaning, ground dust emission treatment by spraying, template garbage cleaning and the like, which have low requirements on water quality, so that water resources are saved; the conveyor belt 23 runs inside the housing 22 also reduces dust pollution.

The water storage device 4 is arranged in a slag discharging area of the conveying belt, the spraying device 35 communicated with the water storage device 4 is arranged in the earthwork conveyor, and the drying and the wetting of the inside when the running friction resistance is large in the earthwork conveyor are realized by utilizing the gravity potential difference.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (10)

1. An earthwork conveyor comprises a conveying belt (23), and is characterized in that a slag entering area of the conveying belt (23) comprises a filtering device (27) for filtering wastewater in earthwork, and a drain valve (29) communicated with a water storage device (4) is arranged in a filtering area below the filtering device (27);

the blow-down valve (29) is communicated with the water storage device (4) through a first pipeline (30), and a water pump (32) is arranged on the first pipeline (30);

the filtering device (27) is provided with a water level controller (28) which is electrically connected with the water pump (32).

2. An earth moving conveyor according to claim 1, characterized in that the tapping zone of the conveyor belt (23) communicates with a rotary feeder (51).

3. An earth conveyor according to claim 1, characterized in that the water storage means (4) is provided in the tapping zone of the conveyor belt (23), and that a spraying device (35) communicating with the water storage means (4) is provided in the earth conveyor.

4. The earth conveyor according to claim 1, characterized in that the first pipe (30) communicates with the municipal pipe via a second pipe (31), a first valve (33) being provided on the first pipe (30) between the second pipe (31) access point and the water pump (32), the second pipe (31) being provided with a second valve (34).

5. The earthmoving conveyor according to claim 1, characterized in that the slag-entering area of the conveyor belt (23) is provided with a curved surface stacking plate (210) for stacking earthwork, and the curved surface shape of the curved surface stacking plate (210) is matched with a sweeping surface generated by the operation of the conveying hopper (24) of the conveyor belt (23) in the slag-entering area.

6. An earth moving conveyor according to claim 5, characterized in that the curved stockpiling plate (210) is provided with a pressure switch (211) in electrical signal connection with a driving device (25) driving the conveyor belt (23) to run.

7. An earth conveyor according to claim 1, characterized in that each conveying hopper (24) of the conveyor belt (23) is provided with mutually matching chain plates (242) end to end, adjacent conveying hoppers (24) being hinged to the chain plates (242) end to end by means of chain pins (241) to form a chain-like structure; the gears of the driving device (25) driving the conveyor belt (23) to run are matched with the chain-shaped structure.

8. An earth moving conveyor according to claim 7, characterized in that an elastic stop (26) is provided on the inner wall of the housing (22) in the path of travel of the conveyor belt (23) against the conveying hopper (24) for generating vibrations.

9. An earth conveyor according to claim 7, characterized in that the conveying hopper (24) has a dense distribution of drainage micro-holes in the earth-containing surface.

10. An earth conveyor according to claim 2, characterized in that the outlet of the rotary feeder (51) is provided with a light-sensitive switch, which activates the rotary feeder (51) when a vehicle is detected.