CN211612062U

CN211612062U - Raise dust removing device for excavator

Info

Publication number: CN211612062U
Application number: CN201922327314.3U
Authority: CN
Inventors: 高栋; 兰玉金; 张袁华; 史磊
Original assignee: Yishan Beijing Geotechnical Engineering Co ltd
Current assignee: Yishan Beijing Geotechnical Engineering Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-10-02
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a raise dust removing device for an excavator, which comprises a water tank, a high-pressure water pump, a water pipe, a fixed structure and a spraying device, wherein the input end of the high-pressure water pump is communicated with the water tank, and the output end of the high-pressure water pump is communicated with the water pipe; the fixing structure comprises a fixing disc, a fixing shaft and a mounting piece, the fixing shaft is fixedly connected with the fixing disc, a bearing is coaxially and fixedly connected onto the fixing shaft, the mounting piece comprises a mounting shaft, a mounting ring and a mounting pipe, the mounting shaft is fixedly connected with an outer ring of the bearing, the mounting ring is fixedly connected with the mounting shaft, the radial direction of the mounting ring is perpendicular to the mounting shaft, the inner peripheral wall of the mounting ring is provided with threads, the outer wall of the mounting pipe is provided with external threads, and one end of the water delivery pipe, far away from the high-pressure water pump, is spliced with the mounting pipe; the spraying device is fixedly connected with the installation pipe. The utility model discloses have the effect that spun water smoke can be more abundant cover raise dust.

Description

Raise dust removing device for excavator

Technical Field

The utility model belongs to the technical field of the architectural equipment technique and specifically relates to a dust removal device for excavator is related to.

Background

Nowadays, in the building construction process, especially in the earthwork operation process often along with a large amount of raise dust pollution, along with government's more and more high attention degree to the raise dust pollution of job site, raise dust pollution prevention and treatment intensity is also bigger and bigger, therefore how to reduce raise dust pollution becomes a difficult problem of relevant environmental protection departments and technical personnel.

The main source of dust pollution is the excavation process of the earth operation, when the earth operation is carried out, the excavation work is generally finished by using an excavator, in the prior art, constructors generally use high-pressure water mist to eliminate the dust generated during excavation, specifically, the dust reduction device of the excavator disclosed by the publication No. CN207153341U comprises a compressor, a flexible pressure bearing pipe, a water tank and a U-shaped bracket spraying device, wherein a power supply of the compressor is provided by an excavator power generation system or a storage battery, the pressure bearing pipe is fixed on a large arm of the excavator through a binding belt and swings along with the large arm, the U-shaped bracket is clamped on the upper part of a bucket, 9 atomizing nozzles are arranged on the U-shaped bracket at intervals, a water inlet pipe of the compressor is connected with a rear water tank, and the compressed dust at the working face is conveyed to the U-shaped bracket spraying device fixed above the bucket through the pressure bearing pipe to spray the dust at the working face.

The above prior art solutions have the following drawbacks: because the atomizer on above-mentioned U type support all sets up at an interval, so at the during operation, can have the clearance between the adjacent atomizer, again because atomizer is fixed state on U type support, atomizer can only spray water smoke towards the single direction promptly, so some raise dust can pass from the clearance between the adjacent atomizer, and water smoke can not cover the raise dust completely at the in-process of whereabouts promptly to can not be fine detach the raise dust.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a raise dust removing device for excavator, its effect that has the coverage raise dust that spun water smoke can be more abundant.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a dust removal device for an excavator comprises a water tank, a high-pressure water pump, a water pipe, a fixing structure and a spraying device, wherein the input end of the high-pressure water pump is communicated with the water tank, and the output end of the high-pressure water pump is communicated with the water pipe; the fixing structure comprises a fixing disc, a fixing shaft and a mounting piece, the fixing disc is fixedly connected with an excavator working arm, the fixing shaft is fixedly connected with the fixing disc, the mounting piece comprises a mounting shaft, a mounting ring and a mounting pipe, the mounting shaft is fixedly connected with the fixing shaft, the mounting ring is fixedly connected with the mounting shaft, the radial direction of the mounting ring is perpendicular to the mounting shaft, the inner peripheral wall of the mounting ring is provided with threads, the outer wall of the mounting pipe is provided with external threads, the mounting pipe is in threaded connection with the mounting ring, and one end of the water delivery pipe, which is far away from the high-pressure water pump, is spliced with the mounting pipe; the spraying device comprises a connecting piece and an atomizing disc, the connecting piece comprises a connecting disc, a connecting arm and a connecting block, the connecting disc and the mounting pipe are far away from the coaxial fixedly connected with one end of the water delivery pipe, a water spraying opening is formed in the connecting disc, the connecting arm is fixedly connected with the connecting disc, one end of the connecting block is fixedly connected with the connecting arm, the other end of the connecting block is connected with the atomizing disc in a coaxial rotating mode, the atomizing disc comprises a water-facing plate and a water guide plate, and the water guide plate is arranged along the water-facing plate and faces one side of the connecting block in an.

Through adopting above-mentioned technical scheme, high-pressure rivers can order about atomizing disk when assaulting the deflector and rotate, pivoted atomizing disk can turn into rivers water smoke and throw away in the diffluence pass, and the water smoke of throwing away then is umbelliform distribution, the water smoke that is umbelliform distribution is at the in-process of whereabouts, can directly cover the raise dust that excavator scraper bowl department produced, just can eliminate because there is the water smoke that the interval leads to between the original atomizer to cover the incomplete problem of raise dust through pivoted atomizing disk promptly, thereby the effect that atomizer removed the raise dust has been guaranteed.

The utility model discloses can further set up to in a preferred example: the fixed disc is made of metal with magnetism.

Through adopting above-mentioned technical scheme, the fixed disk can directly adsorb on the work arm of excavator to make things convenient for fixed knot to construct the dismantlement on the excavator.

The utility model discloses can further set up to in a preferred example: and a plurality of shunting holes are uniformly distributed on the water-meeting plate.

Through adopting above-mentioned technical scheme, the setting of reposition of redundant personnel hole can make high-pressure rivers pass by the reposition of redundant personnel hole when impact atomizing disk to guarantee that atomizing disk's below also has the water smoke, with more complete that the raise dust covers.

The utility model discloses can further set up to in a preferred example: a plurality of shunting ports are arranged on the water guide plate at intervals.

Through adopting above-mentioned technical scheme, the setting of reposition of redundant personnel mouth, the high-pressure rivers of assaulting on the board of meeting water have partly can not derive through the water deflector again, but directly throw away through the reposition of redundant personnel mouth to the scope of atomizing disk derivation rivers has been strengthened.

The utility model discloses can further set up to in a preferred example: the connecting arm is arranged in a V shape.

Through adopting above-mentioned technical scheme, when the linking arm is the type of falling V setting, it can and connection pad between form triangular structure to can make the overall structure of connecting piece more firm.

The utility model discloses can further set up to in a preferred example: the fixed shaft is far away from the coaxial cover of one end of fixed disk is equipped with the bearing, installation axle rigid coupling is in on the bearing.

Through adopting above-mentioned technical scheme, when the work arm of excavator was along with the operation luffing motion, the installation axle can be in vertical decurrent state all the time through the dead weight to the water smoke that makes atomizer produce remains the level all the time and covers the raise dust.

The utility model discloses can further set up to in a preferred example: the bearing is a conical roller bearing.

By adopting the technical scheme, the gravity of the spraying device and the force generated when the water delivery pipe swings can be directly applied to the bearing at the joint of the mounting shaft and the fixed shaft during working, the bearing can bear larger radial force due to the partial force, and the bearing capacity of the radial force of the conical roller bearing is larger.

The utility model discloses can further set up to in a preferred example: the pipe orifice of one end of the mounting pipe, which is far away from the water conveying pipe, is arranged in a conical shape.

Through adopting above-mentioned technical scheme, the mouth of pipe through the installation pipe is conical setting, has reduced orificial diameter in other words to can accelerate the high-pressure rivers from the installation pipe outflow, so that high-pressure rivers are bigger to atomizing disk's impact force, so that the water smoke that rivers formed on atomizing disk can be more abundant.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the dust removing device, high-pressure water flow can drive the atomizing disc to rotate when impacting the guide plate, the rotating atomizing disc can convert the water flow into water mist to be thrown out from the flow dividing port, the thrown water mist is distributed in an umbrella shape, and the water mist distributed in the umbrella shape can directly cover the raised dust generated at the bucket of the excavator in the falling process, namely, the problem of incomplete water mist coverage raised dust caused by the existence of intervals between the original atomizing nozzles can be solved through the rotating atomizing disc, so that the dust removing effect of the atomizing device is ensured;

2. due to the arrangement of the flow dividing port, part of high-pressure water flow impacting on the water-facing plate cannot be guided out through the water guide plate, but is directly thrown out through the flow dividing port, so that the range of water flow guided out by the atomizing disc is enlarged;

3. the mouth of pipe through the installation pipe is conical setting, has reduced orificial diameter in other words to can accelerate the high-pressure rivers from the installation pipe outflow, so that high-pressure rivers are bigger to atomizing disk's impact force, so that the water smoke that rivers formed on atomizing disk can be more abundant.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a bottom view of the present invention.

Reference numerals: 1. a water tank; 2. a high pressure water pump; 3. a water delivery pipe; 4. a fixed structure; 41. fixing the disc; 42. a fixed shaft; 43. a mounting member; 431. installing a shaft; 432. a mounting ring; 433. installing a pipe; 44. a bearing; 5. a spraying device; 51. a connecting member; 511. a connecting disc; 5111. a water jet; 512. a connecting arm; 513. connecting blocks; 52. an atomizing disk; 521. a water-facing plate; 522. a water guide plate; 53. a shunt hole; 54. a guide plate; 55. a shunt port.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the utility model discloses a dust removing device for excavator, it includes water tank 1, high pressure water pump 2, raceway 3, fixed knot construct 4 and atomizer 5.

As shown in fig. 1, the water tank 1 may be placed outside the cab of the excavator and directly provided in communication with the input of the high pressure water pump 2.

As shown in fig. 1 and 2, the water pipe 3 is a flexible rubber pipe, which is communicated with the output end of the high-pressure water pump 2 and can be bound to the working arm of the excavator through a binding belt, and when the excavator works, the water pipe 3 can swing along with the telescopic arm of the excavator. The high-pressure water pump 2 can be powered on through a power supply system or a storage battery of the excavator.

The fixing structure 4 is used for fixing the spraying device 5 on the working arm above the bucket of the excavator and comprises a fixing disc 41, a fixing shaft 42 and a mounting piece 43, wherein the fixing disc 41 is a cylindrical magnet, the whole fixing structure 4 can be fixedly connected on the telescopic arm of the excavator through suction force, and the fixing shaft 42 is coaxially welded on the fixing disc 41. The mounting member 43 includes a mounting shaft 431, a mounting ring 432 and a mounting tube 433, one end of the mounting shaft 431 is welded with a bearing 44, the bearing 44 adopts a conical roller bearing 44 with good radial bearing capacity, the axial direction of the bearing 44 is perpendicular to the mounting shaft 431, and the bearing is coaxially and fixedly connected to one end of the fixed shaft 42 far away from the fixed disk 41, namely, the mounting shaft 431 and the fixed shaft 42 are rotatably connected and perpendicular to each other, when the working arm of the excavator swings up and down along with the operation, the mounting shaft 431 can always be in a vertically downward state through self weight. The mounting ring 432 is a metal ring with a rectangular cross section and a thread on the inner peripheral wall, and is welded at one end of the mounting shaft 431 far away from the fixing shaft 42, and the diameter of the mounting ring 432 and the mounting shaft 431 are distributed in an L shape. Installation pipe 433 is the cylinder pipe that is equipped with the external screw thread on the outer wall, and the mouth of pipe of its one end is conical setting, but installation pipe 433 threaded connection is on collar 432, and after the installation is accomplished, the direction of fixed axle 42 is kept away from towards installation axle 431 to the mouth of pipe that installation pipe 433 is conical setting, and conical orificial one end can be pegged graft with raceway 3 is kept away from to installation pipe 433.

As shown in fig. 2 and 3, the spraying device 5 comprises a connecting piece 51 and an atomizing disc 52, the connecting piece 51 comprises a connecting disc 511, a connecting arm 512 and a connecting block 513, the connecting disc 511 is a circular plate and is coaxially and fixedly connected to the conical nozzle of the mounting tube 433, and a water spray 5111 which is as large as the conical nozzle of the mounting tube 433 is opened at the center of the connecting disc 511. The connecting arm 512 is a metal rod arranged in a V shape, and is vertically fixed on the connecting plate 511, two ends of the connecting arm 512 are respectively located at two sides of the water jet 5111, and the V-shaped opening of the connecting arm 512 faces the water jet 5111. The connecting block 513 is a cylinder, and is coaxially and fixedly connected to the center of the connecting arm 512 with the water jet 5111, and is distributed in a Y shape with the connecting arm 512.

As shown in fig. 2, the atomizing disk 52 is composed of a water-facing plate 521 and a water guide plate 522, the water-facing plate 521 is a circular plate and is coaxially and rotatably connected to one end of the connecting block 513 away from the connecting arm 512 through a bearing 44, the water guide plate 522 is an annular plate and is arranged along the circumference of the water-facing plate 521, the water guide plate 522 and the connecting block 513 are arranged on the same side of the water-facing plate 521, and an included angle between the water guide plate 522 and the water-facing plate 521 is an obtuse angle.

A plurality of penetrating shunting holes 53 are axially formed in the atomizing disc 52, a plurality of guide plates 54 are arranged on the side wall, close to the connecting block 513, of the atomizing disc 52 at intervals, the guide plates 54 are all arranged along the radial direction of the atomizing disc 52, one end of each guide plate is fixedly connected with the water guide plate 522, the guide plates 54 are annularly distributed on the atomizing disc 52 around the connecting block 513, and the guide plates are all obliquely arranged along the counterclockwise direction of the atomizing disc 52.

A plurality of diversion ports 55 are spaced on the water guide plate 522, and each diversion port 55 is located between two adjacent guide plates 54.

The implementation principle of the embodiment is as follows: when the excavator works to generate dust, the high-pressure water pump 2 is driven, the high-pressure water pump 2 can pump out the water in the water tank 1 and convey the water to the spraying device 5 along the water conveying pipe 3, at the moment, the water flow attached with certain pressure flows into the installation pipe 433 in the water conveying pipe 3, because the pipe orifice of the installation pipe 433 is arranged in a conical shape, so the diameter of the pipe orifice is reduced equivalently, the water flow flowing out from the mounting pipe 433 can be accelerated, at this time, the water flow sprayed out from the mounting pipe 433 is directly sprayed on the atomizing disk 52 through the water spraying port 5111, one part of the water flow is sprayed out in a water mist shape through the diversion pipe, the other part of the water flow exerts an impact force in the horizontal direction on the guide plate 54 which is obliquely arranged, and the guide plate 54 is annularly distributed, the horizontal impulse corresponds to the tangential force of the annularly distributed guide plates 54, and the tangential force drives the guide plates 54 to make a circular motion, so that the guide plates 54 drive the atomizing disk 52 to rotate on the connecting block 513. The water flow can be converted into water mist by the rotating atomizing disc 52 to be thrown out from the flow dividing port 55, the thrown water mist is distributed in an umbrella shape, the water mist distributed in the umbrella shape can directly cover the raised dust generated at the bucket of the excavator in the falling process, namely, the problem that the water mist covers the raised dust incompletely because of the existence of the space between the original atomizing nozzles can be eliminated by the rotating atomizing disc 52, and therefore the effect of the atomizing device 5 on removing the raised dust is ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a remove raise dust device that excavator was used which characterized in that: the device comprises a water tank (1), a high-pressure water pump (2), a water pipe (3), a fixing structure (4) and a spraying device (5), wherein the input end of the high-pressure water pump (2) is communicated with the water tank (1), and the output end of the high-pressure water pump (2) is communicated with the water pipe (3); the fixed structure (4) comprises a fixed disc (41), a fixed shaft (42) and a mounting piece (43), the fixed disc (41) is fixedly connected with the excavator working arm, the fixed shaft (42) is fixedly connected with the fixed disc (41), the mounting member (43) comprises a mounting shaft (431), a mounting ring (432) and a mounting tube (433), the mounting shaft (431) is fixedly connected with the fixed shaft (42), the mounting ring (432) is fixedly connected with the mounting shaft (431), the radial direction of the mounting ring (432) is perpendicular to the mounting shaft (431), the inner peripheral wall of the mounting ring (432) is provided with threads, the outer pipe wall of the mounting pipe (433) is provided with external threads, the mounting pipe (433) is in threaded connection with the mounting ring (432), one end of the water delivery pipe (3) far away from the high-pressure water pump (2) is spliced with the mounting pipe (433); atomizer (5) include connecting piece (51) and atomizing disk (52), connecting piece (51) include connection pad (511), linking arm (512) and connecting block (513), connection pad (511) with installation pipe (433) are kept away from the coaxial rigid coupling of one end of raceway (3), water jet (5111) have been seted up on connection pad (511), linking arm (512) with connection pad (511) rigid coupling, connecting block (513) one end with linking arm (512) rigid coupling, the other end with atomizing disk (52) coaxial rotation is connected, atomizing disk (52) are including meeting water board (521) and water deflector (522), water deflector (522) are followed meet water board (521) border court the slope of one side of connecting block (513) sets up.

2. A dust removing device for an excavator according to claim 1, wherein: the fixed disk (41) is made of metal with magnetism.

3. A dust removing device for an excavator according to claim 1, wherein: a plurality of shunting holes (53) are uniformly distributed on the water-meeting plate (521).

4. A dust removing device for an excavator according to claim 1, wherein: a plurality of shunting ports (55) are arranged on the water guide plate (522) at intervals.

5. A dust removing device for an excavator according to claim 1, wherein: the connecting arm (512) is arranged in a V shape.

6. A dust removing device for an excavator according to claim 1, wherein: the fixed shaft (42) is far away from one end of the fixed disc (41) and is coaxially sleeved with a bearing (44), and the mounting shaft (431) is fixedly connected to the bearing (44).

7. A dust removing device for an excavator according to claim 6, wherein: the bearing (44) is a tapered roller bearing (44).

8. A dust removing device for an excavator according to claim 1, wherein: the pipe orifice of one end of the mounting pipe (433), which is far away from the water conveying pipe (3), is arranged in a conical shape.