Dust collecting device for asphalt concrete stirring

By designing a negative pressure filtration and collection mechanism that can be quickly switched, the problem of low efficiency during cleaning of existing devices is solved, and the continuity and high efficiency of dust collection are achieved.

CN224024560UActive Publication Date: 2026-03-24SHANDONG CHANGDAN MUNICIPAL ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing asphalt concrete dust collection devices suffer from low efficiency and impracticality due to the impact of mid-process cleaning on dust collection progress.

Method used

A negative pressure filtration and collection mechanism with quick switching capability is designed. Through the cooperation of the internal threaded cover and the three-way valve, the outer tank can be quickly replaced and cleaned, ensuring that the synchronous operation of the device is not affected during cleaning.

Benefits of technology

This improved the operating efficiency of the dust collection device, increased its practicality, and ensured that the continuity of dust collection was not affected during the cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of asphalt processing, in particular to a dust collecting device for asphalt concrete mixing, which is provided with a negative pressure filtering and collecting mechanism capable of quickly switching, does not influence synchronous operation during cleaning, improves efficiency and increases practicability. Comprising a vehicle plate, outer barrels, branch pipes, a three-way valve, an air outlet tank, an air pump, dust collection filter barrels, an external thread opening, an internal thread cover, a through pipe and a dust suction hopper, the front side and the rear side of the top end of the vehicle plate are connected with the bottom ends of a set of outer barrels respectively, the top end of each set of outer barrels is provided with a set of branch pipes, and the inner side of each set of outer barrels is movably provided with a set of dust collection filter barrels; the output ends of the two sets of outer barrels are communicated with the two sides of a three-way valve through a set of branch pipes respectively, the other side of the three-way valve is communicated with the inner side of an air outlet tank, an air pump is arranged on the air outlet tank and fixed to the left middle side of the top end of a vehicle plate, an internal thread cover is detachably screwed to the outer side of an external thread opening in a closed mode, and the input end of the internal thread cover is communicated with the output end of a dust collection hopper through a through pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of asphalt processing, specifically is a dust collection device for asphalt concrete stirring. BACKGROUND

[0002] Asphalt is a black-brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives, is a kind of high-viscosity organic liquid, mostly in liquid or semi-solid petroleum form, black on the surface, soluble in carbon disulfide, carbon tetrachloride. Asphalt is a waterproof, moisture-proof and anticorrosive organic cementitious material. Asphalt can be mainly divided into coal tar pitch, petroleum pitch and natural asphalt three kinds: among them, coal tar pitch is a by-product of coking. Petroleum pitch is the residue after distillation of crude oil. Natural asphalt is stored underground, some form a mine layer or accumulate on the surface of the earth's crust. Asphalt is mainly used in coating, plastic, rubber and other industries and pavement, etc.

[0003] In the process of asphalt concrete stirring, a large amount of dust needs to be collected and treated, and the existing Chinese patent CN217490602U discloses a dust collection device for processing asphalt concrete, one end of the lower end face of the box body is communicated with the discharge port, the bottom plate is fixedly connected with the moving device, the upper end face of the box body is installed with the stirring device, the upper end face of the dust collection box is installed with the dust collection device, the other end of the bottom plate is installed with the lifting device, through the above technical scheme, the problem that the existing dust collection device for processing asphalt concrete is not convenient for collecting and filtering the dust generated during stirring is solved.

[0004] But the device affects the dust collection progress when cleaning in the middle, the efficiency is low, and the practicality is insufficient. UTILITY MODEL CONTENT

[0005] (I) technical problems solved

[0006] In view of the deficiency of prior art, the utility model provides a dust collection device for asphalt concrete stirring, which is provided with a negative pressure filtration collection mechanism that can be quickly switched, so that the synchronous operation is not affected during cleaning, the efficiency is improved, and the practicality is increased.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: an asphalt concrete stirring dust collecting device, including the vehicle board, the outer bucket, the branch pipe, the three -way valve, the gas tank, the air pump, the dust collecting filter bucket, the outer thread mouth, the internal thread cover, the pipe and the dust collecting hopper, the vehicle board top end front and back side is connected with a group of outer bucket bottom respectively, each group of outer bucket top is provided with a group of branch pipes respectively, each group of outer bucket inboard is movably installed with a group of dust collecting filter buckets respectively, two groups of outer bucket output end are connected through a group of branch pipes with three -way valve both sides respectively, three -way valve other side is linked together with the inboard of gas tank, is provided with air pump on the gas tank, air pump is fixed on the vehicle board top end left middle side, the internal thread cover is detachably screw assembled and closed on the outside of the outer thread mouth, the internal thread cover input end is connected with the dust collecting hopper output end through the pipe.

[0009] Preferably, it further comprises a fixing frame, a clamping screw sleeve, a clamping screw rod, a clamping knob and a clamping plate, the outer end of the dust collecting hopper is connected with the inner side of the fixing frame, the top middle inner side of the fixing frame is connected with the outer side of the clamping screw sleeve, the inner wall of the clamping screw sleeve is screw connected with the outer wall of the clamping screw rod, the outer side of the clamping screw rod is connected with the middle part of the inner side of the clamping knob, and the inner side of the clamping screw rod is connected with the middle part of the outer side of the clamping plate.

[0010] Preferably, it further comprises a screw knob, and one side of the top end of the internal thread cover is connected with the inner side of the screw knob.

[0011] Preferably, it further comprises a steering shaft, a wheel box and a roller, the bottom end of the vehicle board is rotationally connected with the middle part of the top end of the wheel box through a group of steering shafts, and the inner side of each wheel box is rotationally provided with a group of rollers.

[0012] Preferably, it further comprises a brake pad and a pressing piece, and the inner side of each wheel box is movably provided with a group of brake pads, and the outer side of the brake pad is connected with the inner side of the pressing piece.

[0013] Preferably, it further comprises a push handle frame and a handle rod, and the front side of the top end of the vehicle board is connected with the bottom end of the pressing piece, and the inner side of the push handle frame is connected with the both sides of the handle rod.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a kind of asphalt concrete stirring dust collecting device, with the following beneficial effects:

[0016] The inner threaded cover is screwed and combined outside the outer threaded mouth on a group of outer barrels, the outer barrels are sealed, the three-way valve is adjusted to make the outlet tank and the branch pipes of the outer barrels conductive, the path is formed through the gas pump operation, the outlet tank, the three-way valve, the branch pipes, the outer barrels and the through pipes, the negative pressure of the dust suction hopper input part can absorb the dust in the stirring process, after being introduced into the outer barrels, the dust collection filter barrels are collected, when it is necessary to replace, the inner threaded cover is replaced to the outer side of the outer threaded mouth on another group of outer barrels, the three-way valve is adjusted to make another group of branch pipes and the outlet tank conductive, the dust collection filter barrels in the outer barrels can be taken out and cleaned, the negative pressure filtering and collecting mechanism for quick switching is arranged, the synchronous operation is not affected during cleaning, the efficiency is improved, and the practicality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the structure of the utility model;

[0018] Figure 2 It is a right view of the utility model; Figure 1

[0019] Figure 3 It is a front view of the utility model; Figure 1

[0020] Figure 4 It is a lower view of the utility model. Figure 1

[0021] Markings in the drawings: 1, vehicle plate; 2, outer barrel; 3, branch pipe; 4, three-way valve; 5, outlet tank; 6, gas pump; 7, dust collection filter barrel; 8, outer threaded mouth; 9, inner threaded cover; 10, through pipe; 11, dust suction hopper; 12, fixing frame; 13, clamping screw sleeve; 14, clamping screw; 15, clamping knob; 16, clamping plate; 17, screw knob; 18, steering shaft; 19, wheel box; 20, roller; 21, brake pad; 22, pedal; 23, push handle frame; 24, handle bar. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] EMBODIMENT

[0024] Please refer to Figures 1-4 ​​​The utility model provides a dust collecting device for asphalt concrete mixing, which comprises a vehicle plate 1, an outer barrel 2, a branch pipe 3, a three-way valve 4, an air outlet tank 5, an air pump 6, a dust collecting filter barrel 7, an outer thread opening 8, an inner thread cover 9, a through pipe 10 and a dust suction hopper 11, the top front and back sides of the vehicle plate 1 are respectively connected with the bottom ends of a group of outer barrels 2, a group of branch pipes 3 are arranged at the top ends of each group of outer barrels 2, a group of dust collecting filter barrels 7 are movably installed on the inner sides of each group of outer barrels 2, the output ends of the two groups of outer barrels 2 are respectively connected with the two sides of the three-way valve 4 through a group of branch pipes 3, the other side of the three-way valve 4 is connected with the inner side of the air outlet tank 5, the air pump 6 is arranged on the air outlet tank 5, the air pump 6 is fixed on the top left middle side of the vehicle plate 1, the inner thread cover 9 is detachably screwed on the outer side of the outer thread opening 8, and the input end of the inner thread cover 9 is connected with the output end of the dust suction hopper 11 through the through pipe 10. The inner thread cover 9 is screwed on the outer side of the outer thread opening 8 of a group of outer barrels 2, the upper opening of the outer barrel 2 is sealed, the three-way valve 4 is adjusted to make the branch pipe 3 of the outer barrel 2 communicated with the air outlet tank 5, the air pump 6 is operated, a passage is formed through the air outlet tank 5, the three-way valve 4, the branch pipe 3, the outer barrel 2 and the through pipe 10, the input part of the dust suction hopper 11 is under negative pressure, the dust in the mixing process can be absorbed and introduced into the outer barrel 2, and the dust collecting filter barrel 7 is collected, when it is necessary to replace, the inner thread cover 9 is replaced on the outer side of the outer thread opening 8 of another group of outer barrels 2, the other group of branch pipes 3 is communicated with the air outlet tank 5 by adjusting the three-way valve 4, and the dust collecting filter barrel 7 in the outer barrel 2 can be taken out and cleaned.

[0025] The utility model also comprises a fixing frame 12, a clamping screw sleeve 13, a clamping screw rod 14, a clamping knob 15 and a clamping plate 16, the outer end middle upper side of the dust suction hopper 11 is connected with the inner side of the fixing frame 12, the top middle inner side of the fixing frame 12 is connected with the outer side of the clamping screw sleeve 13, the inner wall of the clamping screw sleeve 13 is screw-connected with the outer wall of the clamping screw rod 14, the outer side of the clamping screw rod 14 is connected with the middle inner side of the clamping knob 15, and the inner side of the clamping screw rod 14 is connected with the middle outer side of the clamping plate 16. The fixing frame 12 is clamped on the outer wall of the asphalt mixing barrel, the clamping knob 15 is twisted, the clamping screw rod 14 is rotated, the clamping screw rod 14 is screw-connected with the clamping screw sleeve 13, the clamping plate 16 is connected inward, the barrel wall is clamped with the fixing frame 12, and the fixing is convenient to assemble and disassemble.

[0026] The utility model also comprises a twisting knob 17, one side of the top end of the inner thread cover 9 is connected with the inner side of the twisting knob 17, the inner thread cover 9 is rotated by holding the twisting knob 17, and the convenience is improved.

[0027] The utility model also comprises a steering shaft 18, a wheel box 19 and a roller 20, the bottom ends of the four corners of the vehicle plate 1 are respectively rotationally connected with the top middle parts of a group of wheel boxes 19 through a group of steering shafts 18, and a group of rollers 20 are rotationally arranged on the inner sides of each group of wheel boxes 19.

[0028] Further comprising brake pads 21 and pedal pads 22, a set of brake pads 21 is movably arranged on the inner side of each set of wheel boxes 19, and the outer side of the brake pads 21 is connected with the inner side of the pedal pads 22; by treading the pedal pads 22, the brake pads 21 can be moved to act on the outer side of the rollers 20 to brake, thereby improving stability.

[0029] Further comprising a push handle frame 23 and a handle bar 24, the top end of the board 1 is connected with the bottom end of the pedal pads 22, and the inner side of the push handle frame 23 is connected with the two sides of the handle bar 24; by holding the handle bar 24, the board 1 can be moved through the push handle frame 23, thereby improving convenience.

[0030] In summary, when the dust collecting device for asphalt concrete mixing is used, by holding the handle bar 24, the board 1 can be moved through the push handle frame 23, the bottom end of the four sets of rollers 20 contacts the ground, the wheel boxes 19 constrain the ground to roll, and the rollers 20 constrain the turning, so that the board 1 can be moved to the corresponding position through the device, by treading the pedal pads 22, the brake pads 21 can be moved to act on the outer side of the rollers 20 to brake, then the fixing frame 12 is clamped on the outer wall of the asphalt mixing barrel, the clamping screw 14 is rotated by twisting the clamping twist hand 15, the clamping screw 14 is connected with the clamping screw sleeve 13 through screwing cooperation, so that the clamping plate 16 is connected to be inward, the barrel wall is clamped with the fixing frame 12, the inner thread cover 9 is screwed and closed on the outer side of the outer thread port 8 on a set of outer barrels 2 by holding and rotating the screwing handle 17, the outer barrel 2 is sealed on the top, the three-way valve 4 is adjusted to make the air tank 5 and the branch pipe 3 of the outer barrel 2 conductive, the air pump 6 is operated, the air tank 5, the three-way valve 4, the branch pipe 3, the outer barrel 2 and the through pipe 10 form a passage, the dust suction hopper 11 input part is under negative pressure, so that the dust in the mixing process can be absorbed and introduced into the outer barrel 2, and then collected by the dust collecting filter barrel 7, when it is necessary to replace, the inner thread cover 9 is replaced on the outer side of the outer thread port 8 on another set of outer barrels 2, the three-way valve 4 is adjusted to make another set of branch pipes 3 and the air tank 5 conductive, so that the dust collecting filter barrel 7 in the outer barrel 2 can be taken out and cleaned.

[0031] The three-way valve 4 and the air pump 6 are common devices purchased on the market and known to those skilled in the art, here we only use them and do not improve their structure and function, so we will not go into details.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dust collecting device for asphalt concrete mixing, characterized by, It includes the car plate (1), the outer barrel (2), the branch pipe (3), the three-way valve (4), the gas tank (5), the air pump (6), the dust collection filter barrel (7), the outer thread mouth (8), the inner thread cover (9), the pipe (10) and the dust catcher (11), the car plate (1) top front and rear side is connected with a group of outer barrel (2) bottom respectively, each group of outer barrel (2) top is provided with a group of branch pipe (3) respectively, each group of outer barrel (2) inside is movably installed with a group of dust collection filter barrel (7), two groups of outer barrel (2) output end is connected with three-way valve (4) two sides through a group of branch pipe (3) respectively, three-way valve (4) another side is connected with the inner side of the gas tank (5), the gas tank (5) is provided with air pump (6), air pump (6) is fixed on the top of the left side of the car plate (1), the inner thread cover (9) is detachably screwed and closed outside the outer thread mouth (8), the inner thread cover (9) input end is connected with the dust catcher (11) output end through the pipe (10).

2. A dust collection device for use in the mixing of asphalt concrete according to claim 1, characterized in that: It also includes a fixed frame (12), a clamping screw (13), a clamping screw (14), a clamping handle (15) and a clamping plate (16), the dust catcher (11) outer end middle upper side is connected with the inner side of the fixed frame (12), the fixed frame (12) top middle inner side is connected with the outer side of the clamping screw (13), the clamping screw (13) inner wall is connected with the clamping screw (14) outer wall, the clamping screw (14) outer side is connected with the clamping handle (15) inner side middle part, the clamping screw (14) inner side is connected with the clamping plate (16) outer side middle part.

3. A dust collection device for use in the mixing of asphalt concrete as set forth in claim 1, wherein: It also includes a screw handle (17), the inner thread cover (9) top one side is connected with the inner side of the screw handle (17).

4. The dust collection device for an asphalt concrete mixer according to claim 1, characterized in that: It also includes a steering shaft (18), a wheel box (19) and a roller (20), the car plate (1) bottom four corner side is connected with a group of wheel box (19) top middle part through a group of steering shaft (18) respectively, each group of wheel box (19) inner side is rotatably provided with a group of roller (20) respectively.

5. A dust collection device for use in the mixing of asphalt concrete according to claim 4, characterized in that: It also includes a brake pad (21) and a pedal (22), each group of the wheel box (19) inner side is movably provided with a group of brake pad (21), the brake pad (21) outer side is connected with the inner side of the pedal (22).

6. A dust collection device for use in the mixing of asphalt concrete as defined in claim 4, characterized in that: It also includes a push handle frame (23) and a handle rod (24), the car plate (1) top front side is connected with the pedal (22) bottom end, the push handle frame (23) inner upper side is connected with the handle rod (24) both sides.

Citation Information

Patent Citations

  • Dust collecting device for processing asphalt concrete

    CN217490602U