CN217419798U - A intelligent dust device for excavating machinery - Google Patents

Abstract

The utility model relates to the field of environmental protection construction, in particular to an intelligent dust-settling device for excavating machinery, which comprises a liquid storage tank arranged on the excavating machinery, wherein a variable frequency water pump is arranged inside the liquid storage tank, the intelligent dust-settling device also comprises a conveying pipeline arranged on an mechanical arm, one end of the conveying pipeline is communicated with the variable frequency water pump, and the other end of the conveying pipeline is positioned above a bucket and is provided with a spray nozzle facing the bucket; a tensioning disc is further arranged on the rear arm of the mechanical arm, a spiral line groove which is inwards recessed is formed in the side wall of the tensioning disc, the conveying pipeline winds the tensioning disc for at least one circle, and a reserved length is reserved at the rear end of the tensioning disc; the tensioning disc comprises a disc body which is rotatably arranged on the rear arm through a rotating shaft; a mounting recess is arranged at the center of the disc body, and a torsion spring is arranged in the mounting recess; the utility model discloses reduced the input of construction operation dust fall cost, need not to be equipped with dust fall equipment and constructor alone, the device is fixed in the mobile device, need not to set up the space alone, and is nimble more portable.

Description

A intelligent dust device for excavating machinery

Technical Field

The utility model relates to an environmental protection construction field, concretely relates to an intelligent dust device for excavating machinery.

Background

At present, the urbanization construction of China is continuously promoted, the number of construction sites is continuously increased, and the whole construction process is realized. Inevitably, dust is generated, which is one of the important causes of occupational diseases of constructors and urban air pollution. The general approach to dealing with the air pollution problem at construction sites is to treat the air pollutants after they have been generated to reduce their diffusion and minimize the associated pollution hazards. The common treatment measures are as follows: bare soil complete coverage, wet work, etc. The wet operation is mainly carried out, and the wet operation refers to that special equipment such as a fog gun truck, a sprinkler and the like is arranged in the earthwork construction for sprinkling water and reducing dust. For the current wet process operation, there are several major problems: (1) special personnel are needed to spray water to reduce dust, and the personnel cost investment is large; (2) the space of a construction working face is required, and the dust settling equipment cannot be operated when the space is too small; (3) the dosage of the dust suppressant cannot be automatically adjusted according to the air pollution degree on site, and waste exists.

In prior art, also there is the technical scheme who suppresses the raise dust through set up atomizing water spray loop on excavator's arm, chinese patent for CN202021907561.7 for example, discloses an excavator spray dust fall system, and it includes the water tank, the intercommunication has the water pump on the water tank, the intercommunication has soft water pipe on the water pump, the intercommunication has the shower nozzle on the soft water pipe, can dismantle on the shower nozzle and be connected with its and the fixed fastening device of forearm. However, in the technical solutions, the water pipe is not usually tightly set, and the situation that the water pipe is excessively pulled and collapsed easily occurs in the processes of raising the forearm and digging down the forearm.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in providing an intelligence dust device for excavating machinery, because the arm forearm of excavating machinery rises and digs down and lead to the water pipe to be drawn excessively easily and arouse the problem that collapses among the prior art.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: an intelligent dust suppression device for an excavating machine comprises a liquid storage tank arranged on the excavating machine, a variable frequency water pump arranged inside the liquid storage tank, and a conveying pipeline arranged on a mechanical arm, wherein one end of the conveying pipeline is communicated with the variable frequency water pump, the other end of the conveying pipeline is positioned above an excavator bucket, and the conveying pipeline is provided with a spraying nozzle facing the direction of the excavator bucket; a tensioning disc is further arranged on the rear arm of the mechanical arm, a spiral line groove which is inwards recessed is formed in the side wall of the tensioning disc, the conveying pipeline winds the tensioning disc for at least one circle, and a reserved length is reserved at the rear end of the tensioning disc; a plurality of snap rings are arranged on the front arm of the mechanical arm and the rear arm at the front end of the tensioning disc, and the conveying pipeline is movably arranged in the snap rings back and forth after penetrating out of the tensioning disc; the tensioning disc comprises a disc body which is rotatably arranged on the rear arm through a rotating shaft; the center of a circle of the tray body is provided with an installation recess, a torsion spring is arranged in the installation recess, one end of the torsion spring is fixed on the inner side wall of the installation recess, and the other end of the torsion spring is fixedly connected with the rotating shaft.

Particularly, the tail end of the rotating shaft is also provided with a plurality of radial connecting rods, and the tail ends of the radial connecting rods are fixedly connected with the inner wall of the mounting recess.

The rear end of forearm is equipped with first arc slide rail, is equipped with second arc slide rail at the front end of postbrachium, laminate each other between first arc slide rail and the second arc slide rail, and the upper surface of first arc slide rail and second arc slide rail is equipped with pipeline groove.

Particularly, the bottom surface of the second arc-shaped sliding rail is provided with a positioning bulge matched with the pipeline groove, and the positioning bulge is inserted into the pipeline groove of the first arc-shaped sliding rail.

Particularly, the system further comprises a TSP monitoring sensor arranged above the bucket, and the TSP monitoring sensor is electrically connected with the variable-frequency water pump through a main control system.

Particularly, the biological nano-film and water are adopted as dust settling agents in the liquid storage tank.

Particularly, a protective sleeve is arranged in the clamping ring, and the conveying pipeline is arranged in the protective sleeve.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect: on one hand, the investment of construction operation dust-settling cost is greatly reduced, dust-settling equipment and constructors do not need to be equipped independently, and the device is fixed in mobile equipment, does not need to be provided with a space independently, and is more flexible and portable; on the other hand, the amount of the dust-settling agent can be automatically adjusted by detecting the environmental pollution degree in real time, so that the waste of the dust-settling agent is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a robot arm structure of the excavating machine.

FIG. 3 is a schematic view of a tensioner disk configuration.

Fig. 4 is a sectional structure view of the first arc-shaped slide rail and the second arc-shaped slide rail in a connection state.

The explanation of each reference number in the figure is: a liquid storage tank-1; a delivery pipe-2; a bucket-3; a spray nozzle-4; a rear arm-51; a front arm-52; a snap ring-53; a first arcuate slide-rail-54; a second arcuate slide-rail-55; a pipe groove-56; a positioning projection-57; a tension disc-6; a spiral groove-61; a shaft-611; a mounting recess-62; a torsion spring-63; radial links-64.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions of the present invention.

As shown in fig. 1 to 4, an intelligent dust-settling device for an excavating machine comprises a liquid storage tank 1 arranged on the excavating machine, a variable frequency water pump arranged inside the liquid storage tank 1, and a conveying pipeline 2 arranged on a mechanical arm, wherein one end of the conveying pipeline 2 is communicated with the variable frequency water pump, the other end of the conveying pipeline 2 is positioned above an excavator bucket 3, and the conveying pipeline is provided with a spray nozzle 4 facing the direction of the excavator bucket 3; a tensioning disc 6 is further arranged on the rear arm 51 of the mechanical arm, a spiral line groove 61 is formed in the side wall of the tensioning disc 6 and is recessed inwards, the conveying pipeline 2 winds the tensioning disc 6 for at least one circle, and a reserved length is reserved at the rear end of the tensioning disc 6; a plurality of clamping rings 53 are further arranged on the front arm 52 of the mechanical arm and the rear arm 51 at the front end of the tensioning disc 6, and the conveying pipeline 2 is movably arranged in the clamping rings 53 in a front-back manner after penetrating out of the tensioning disc 6; the tension disc 6 comprises a disc body which is rotatably arranged on the rear arm 51 through a rotating shaft 611; the center of the disc body is provided with an installation recess 62, a torsion spring 63 is arranged in the installation recess 62, one end of the torsion spring 63 is fixed on the inner side wall of the installation recess 62, and the other end of the torsion spring is fixedly connected with the rotating shaft 611.

In the utility model, the conveying pipeline 2 is used for conveying the dust-settling agent in the liquid storage tank 1 to the spray nozzle 4, the conveying pipeline 2 is fixedly connected with the tension disc 6, and the reserved length is reserved at the rear end of the tension disc 6, when the front arm 52 digs downwards, the conveying pipeline 2 drives the tension disc 6 to rotate from a normal state, and simultaneously, the torsion spring 63 in the tension disc 6 is compressed, and the reserved length of the conveying pipeline 2 enters the tension disc 6 part while the torsion spring 63 stores energy; when the front arm 52 is lifted, the torsion spring 63 rebounds to drive the front end conveying pipeline 2 to retract, and meanwhile, the reserved length exits from the tension disc 6 part, so that the conveying pipeline 2 cannot be broken due to the change of the whole length in the working process of the excavator bucket of the excavating machine. In the process, the snap rings 53 arranged on the front half sections of the front arm 52 and the rear arm 51 are used as moving limiting devices of the conveying pipeline 2, so that the sliding deviation of the conveying pipeline 2 is avoided.

As a preferred embodiment, a plurality of radial connecting rods 64 are further arranged at the tail end of the rotating shaft 611, and the tail ends of the radial connecting rods 64 are fixedly connected with the inner wall of the mounting recess 62.

In this embodiment, the radial link 64 is used to integrally enclose the torsion spring 63 in the mounting recess 62, so as to avoid the interference of the torsion spring 63 from the external environment, and also to serve as an auxiliary connecting shaft 611 and the tension disc 6.

As a preferred embodiment, a first arc-shaped slide rail 54 is disposed at the rear end of the front arm 52, a second arc-shaped slide rail 55 is disposed at the front end of the rear arm 51, the first arc-shaped slide rail 54 and the second arc-shaped slide rail 55 are attached to each other, and a pipeline groove 56 is disposed on the upper surfaces of the first arc-shaped slide rail 54 and the second arc-shaped slide rail 55.

In this embodiment, the first arc-shaped slide rail 54 and the second arc-shaped slide rail 55 are attached to each other, and are always kept in a matching state during the operation of the front arm 52, and the pipe groove 56 is used for providing a placing slot for the conveying pipe 2, so as to prevent the front half section of the conveying pipe 2 from sliding off along with the front arm 52 and the excavator bucket 3 during the movement process.

In a preferred embodiment, the bottom surface of the second arc-shaped sliding rail 55 is provided with a positioning protrusion 57 matched with the pipe groove 56, and the positioning protrusion 57 is inserted into the pipe groove 56 of the first arc-shaped sliding rail 54.

In this embodiment, the second arc-shaped slide rails 55 on the rear arm 51 are on the upper side, the first arc-shaped slide rails 54 on the front arm 52 are on the lower side, and the positioning protrusions 57 fill the pipeline grooves 56, so that the conveying pipeline 2 is prevented from entering gaps between the arc-shaped slide rails during the lifting process of the front arm 52.

As a preferred embodiment, the system further comprises a TSP monitoring sensor arranged above the bucket 3, and the TSP monitoring sensor is electrically connected with the variable frequency water pump through a main control system.

In this embodiment, the main control system is used for receiving an electric signal fed back by the TSP monitoring sensor and determining the working gear of the variable frequency water pump according to the external dust raising condition, so as to realize the effect of adjusting the amount of the dust settling agent according to the actual condition. The main control system is a mature prior art, and therefore, the specific structure and the internal circuit connection manner thereof are not described herein.

As a preferred embodiment, the liquid storage tank 1 adopts a biological nano-film and water as a dust-settling agent.

As a preferred embodiment, a protective sleeve is arranged in the snap ring 53, and the delivery conduit 2 is arranged in the protective sleeve.

The utility model discloses "connect", "fixed" that appear in the description can be fixed connection, machine-shaping, welding, also can mechanical connection, and particular case understands that above-mentioned term is in the utility model provides a concrete meaning.

In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., which are used herein, indicate the orientation or positional relationship indicated only for convenience in describing the present invention and simplifying the description, but do not indicate or imply a particular orientation that a device or element indicated must have, and therefore should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. An intelligent dust suppression device for an excavating machine comprises a liquid storage tank (1) arranged on the excavating machine, a variable frequency water pump is arranged in the liquid storage tank (1), and the intelligent dust suppression device also comprises a conveying pipeline (2) arranged on a mechanical arm, wherein one end of the conveying pipeline (2) is communicated with the variable frequency water pump, the other end of the conveying pipeline is positioned above an excavating bucket (3), and a spraying nozzle (4) facing the direction of the excavating bucket (3) is arranged; the mechanical arm is characterized in that a tensioning disc (6) is further arranged on a rear arm (51) of the mechanical arm, a spiral line groove (61) which is recessed inwards is formed in the side wall of the tensioning disc (6), the conveying pipeline (2) winds the tensioning disc (6) for at least one circle, and a reserved length is reserved at the rear end of the tensioning disc (6); a plurality of clamping rings (53) are further arranged on the front arm (52) of the mechanical arm and the rear arm (51) at the front end of the tensioning disc (6), and the conveying pipeline (2) penetrates out of the tensioning disc (6) and is movably arranged in the clamping rings (53) back and forth; the tensioning disc (6) comprises a disc body which is rotatably arranged on the rear arm (51) through a rotating shaft (611); the center of a circle of the disc body is provided with an installation recess (62), a torsion spring (63) is arranged in the installation recess (62), one end of the torsion spring (63) is fixed on the inner side wall of the installation recess (62), and the other end of the torsion spring is fixedly connected with the rotating shaft (611).

2. An intelligent dust falling device for an excavating machine according to claim 1, characterized in that a plurality of radial connecting rods (64) are further arranged at the tail end of the rotating shaft (611), and the tail ends of the radial connecting rods (64) are fixedly connected with the inner wall of the mounting recess (62).

3. The intelligent dust settling device for the excavating machine is characterized in that a first arc-shaped slide rail (54) is arranged at the rear end of the front arm (52), a second arc-shaped slide rail (55) is arranged at the front end of the rear arm (51), the first arc-shaped slide rail (54) and the second arc-shaped slide rail (55) are attached to each other, and a pipeline groove (56) is formed in the upper surfaces of the first arc-shaped slide rail (54) and the second arc-shaped slide rail (55).

4. An intelligent dust falling device for an excavating machine according to claim 3, characterized in that the bottom surface of the second arc-shaped slide rail (55) is provided with a positioning protrusion (57) matched with the pipeline groove (56), and the positioning protrusion (57) is inserted into the pipeline groove (56) of the first arc-shaped slide rail (54).

5. The intelligent dust falling device for the excavating machine is characterized by further comprising a TSP monitoring sensor arranged above the excavator bucket (3), wherein the TSP monitoring sensor is electrically connected with the variable frequency water pump through a main control system.

6. The intelligent dust settling device for the excavating machine is characterized in that a biological nano film and water are adopted as dust settling agents in the liquid storage tank (1).

7. An intelligent dust suppression device for an excavating machine according to claim 1 characterized in that a protective sleeve is arranged in the snap ring (53), and the conveying pipeline (2) is arranged in the protective sleeve.

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