CN112323589A - Road surface hole dust collector that town road construction was used - Google Patents
Road surface hole dust collector that town road construction was used Download PDFInfo
- Publication number
- CN112323589A CN112323589A CN202011166339.0A CN202011166339A CN112323589A CN 112323589 A CN112323589 A CN 112323589A CN 202011166339 A CN202011166339 A CN 202011166339A CN 112323589 A CN112323589 A CN 112323589A
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- Prior art keywords
- disc
- pipeline
- hole
- pipe
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 72
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 abstract description 3
- 239000010426 asphalt Substances 0.000 description 11
- 238000007664 blowing Methods 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a road surface pit dust removal device for municipal road construction, which comprises a dust removal disc, wherein the dust removal disc is made of aluminum alloy, and the wall thickness of the dust removal disc is 1.2-1.36 mm; the bottom of the dust removal disc is coaxially provided with a plurality of annular plates, and the annular plates are made of Q235 common carbon structural steel and have the thickness of 1.4 mm-2.0 mm; a bolt is welded at the bottom of the dust removing disc, the bolt penetrates through the annular plate and then is matched with a nut, a spring is assembled on the bolt, and the spring acts between the dust removing disc and the annular plate; this device can be got rid of to the particulate matter in the pot hole.
Description
Technical Field
The invention relates to a road surface pit dust removal device for municipal road construction.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material. The asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a byproduct of coking. Petroleum pitch is the residue of crude oil distillation. Natural bitumen is stored underground, and some forms a mineral layer or is accumulated on the surface of the crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like.
The asphalt pavement can form a pot hole after being rolled by a heavy-duty vehicle, and a bulge is formed at the periphery of the pot hole, so that great potential safety hazards are brought to the vehicle passing.
The existing treatment method is to dig off the asphalt pavement near the pot hole, then repair the formed pot hole, and need clear away the dust granule in the pot hole before repairing, and the traditional dust removal mode is to adopt the mode of blowing dust, but the stubborn particulate matter can not be blown off by independent blowing dust, and the existence of particulate matter can lead to the adhesion of pitch to worsen, and the problem of pot hole can appear in the later stage again.
Therefore, the road surface pothole dust removal device for municipal road construction is designed, and can remove particulate matters in the potholes.
Disclosure of Invention
The invention aims to provide a road surface pit dust removal device for municipal road construction, which can remove particulate matters in pits.
In order to solve the problems, the invention adopts the following technical scheme:
a road surface pit hole dust removal device for municipal road construction comprises a dust removal disc, wherein the dust removal disc is made of aluminum alloy, and the wall thickness of the dust removal disc is 1.2 mm-1.36 mm; the bottom of the dust removal disc is coaxially provided with a plurality of annular plates, and the annular plates are made of Q235 common carbon structural steel and have the thickness of 1.4 mm-2.0 mm; a bolt is welded at the bottom of the dust removing disc, the bolt penetrates through the annular plate and then is matched with a nut, a spring is assembled on the bolt, and the spring acts between the dust removing disc and the annular plate; assembling holes are uniformly distributed at the bottom of the annular plate, and steel wire bristles are assembled in the assembling holes; the steel wire bristles are in a bundle shape, a plurality of steel wire bristles are in a bundle, and then the steel wire bristles are inserted into the assembly holes and then fixed by spot welding; a pipeline is connected to the upper end of the dust removing disc in a flange mode, a vertical pipe is assembled outside the pipeline, and a bearing is matched between the pipeline and the vertical pipe; a frame plate is welded outside the vertical pipe, and a front roller and a rear roller are mounted at the bottom of the frame plate; a mounting hole is vertically arranged on the board surface of the frame board in a penetrating manner, a motor is arranged in the mounting hole, and a driving belt wheel is arranged at the output end of the motor; a driven belt wheel is assembled on the outer wall of the pipeline, and a transmission belt is matched between the driving belt wheel and the driven belt wheel; a first mounting hole is formed in one side, far away from the vertical pipe, of the top of the frame plate; the trailer ball head is mounted in the first mounting hole, a first bolt is welded at the lower end of the trailer ball head, and a first nut is assembled on the first bolt after the first bolt penetrates through the first mounting hole.
Preferably, an inner cavity is formed inside the dust removing disc, a first air outlet is annularly formed in the outer wall of the dust removing disc, an insertion pipe is arranged at the axis of the top of the dust removing disc, and the insertion pipe is inserted into the air pipe; a threaded hole is formed in the axis of the bottom of the dedusting disc, a movable pipe is matched with the threaded hole, a conical air outlet cover is arranged at the lower end of the movable pipe, a second air outlet hole is formed in the outer conical surface of the air outlet cover, and the second air outlet hole is perpendicular to the outer conical surface of the air outlet cover; when the movable tube continuously rotates upwards, the movable tube is inserted into the insertion tube; an axial flow fan is installed on the upper portion of the frame plate and connected with an air guide pipe, the air guide pipe is inserted into the pipeline, and the part of the air guide pipe inserted into the pipeline is coaxial with the pipeline;
the above structure has two operation modes:
first, the movable pipe is screwed to be inserted into the insertion pipe, at the moment, wind output from the pipeline is transmitted into the movable pipe and then is discharged outwards through the second air outlet hole, and dust accumulated at the center of the dust removing disc is discharged outwards.
And secondly, the movable pipe is rotated downwards, the movable pipe is separated from the insertion pipe after the movable pipe is rotated downwards, at the moment, part of wind power output from the pipeline is sprayed outwards through the first air outlet hole, dust in the pit hole is blown outwards, part of the wind power is blown outwards from the center through the second air outlet hole, the dust accumulated at the bottom of the pit hole is blown out, and the blown dust is discharged outwards from the outside of the pit hole through the wind power blown out from the first air outlet hole.
Preferably, an arc-shaped wind shield is arranged at the bottom of the frame plate and is positioned outside the dust removing disc; the wind shield is arranged to reduce dust blowing to the traction machine.
Preferably, an annular clamping groove is formed in the inner top of the pipeline, a sealing ring is installed in the annular clamping groove, and the sealing ring is in contact with the air guide pipe; the structure is used for ensuring the sealing performance of the pipeline and the air guide pipe and avoiding the leakage of the air from the gap between the pipeline and the air guide pipe.
Preferably, the outer wall of the air guide pipe is provided with a plurality of radiating air holes, and the outer wall of the pipeline is provided with a diathermanous hole communicated with the annular clamping groove; the heat dissipation air hole is positioned in the sealing ring; because the pipeline is in a rotating state, the air guide pipe is always in contact with the sealing ring, so that heat accumulation is easily generated, and the sealing ring is easily melted or damaged. After the heat dissipation air hole is adopted, partial wind power passing through the air guide pipe can be blown outwards to act on the sealing ring, so that heat dissipation of the sealing ring is realized, and heat dissipation of the sealing ring is facilitated through the heat penetration hole.
Preferably, the sealing ring is cotton.
Preferably, a sealing gasket is matched between the pipeline and the dust removal disc; the structure is used for increasing the sealing performance between the pipeline and the dust removing disc.
Preferably, the wire diameter of the spring is 1.2 mm-2.4 mm.
The invention has the beneficial effects that:
1) in the device, the dust removing disc is in a rotating state, the steel wire bristles are driven to rotate by the rotation of the dust removing disc, and the steel wire bristles contact the bottom of the pot hole to strip off dust attached to the bottom of the pot hole; the dust is discharged outwards through the centrifugally rotated steel wire bristles;
2) in the device, the positions of the annular plates are adjustable, and in actual operation, because the bottoms of the pot holes are uneven, the possibility of brush leakage of the steel wire bristles at the same horizontal height can occur, so that the positions of the annular plates can be independently adjusted, and the action effect of the steel wire bristles is improved; the annular plate is provided with a space which can move elastically in a small range up and down;
3) the device is dragged through the traction machinery, so that the cost is relatively lower;
4) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a dusting disc;
FIG. 3 is a bottom view of the annular plate;
fig. 4 is a top view of the frame plate;
fig. 5 is a schematic view of the installation of the sealing ring.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, 2, 3, 4 and 5.
Example 1
A road surface pit hole dust removal device for municipal road construction comprises a dust removal disc 1, wherein the dust removal disc 1 is made of aluminum alloy, and the wall thickness is 1.2 mm; the bottom of the dust removing disc 1 is coaxially provided with a plurality of annular plates 2, and the annular plates 2 are made of Q235 common carbon structural steel and have the thickness of 1.4 mm; a bolt 101 is welded at the bottom of the dust removing disc 1, a nut 102 is matched after the bolt 101 penetrates through the annular plate 2, a spring 103 is assembled on the bolt 101, and the spring 103 acts between the dust removing disc 1 and the annular plate 2; assembling holes 201 are uniformly distributed at the bottom of the annular plate 2, and steel wire bristles 202 are assembled in the assembling holes 201; the steel wire bristles 202 are in a bundle shape, and a plurality of steel wire bristles 202 are in a bundle and then inserted into the assembly holes 201 to be fixed by spot welding; a pipeline 3 is connected to the upper end of the dedusting disc 1 in a flange mode, a vertical pipe 4 is assembled outside the pipeline 3, and a bearing 301 is matched between the pipeline 3 and the vertical pipe 4; a frame plate 5 is welded outside the vertical pipe 4, and a front roller and a rear roller 6 are mounted at the bottom of the frame plate 5; a mounting hole 501 is vertically arranged on the board surface of the frame board 5 in a penetrating manner, a motor 7 is mounted in the mounting hole 501, and a driving pulley 701 is mounted at the output end of the motor 7; a driven pulley 302 is assembled at the outer wall of the pipeline 3, and a transmission belt 8 is matched between the driving pulley 701 and the driven pulley 302; a first mounting hole 502 is formed in the side, away from the vertical pipe 4, of the top of the frame plate 5; a trailer ball head 9 is mounted in the first mounting hole 502, a first bolt 901 is welded to the lower end of the trailer ball head 9, and the first bolt 901 is fitted with a first nut 902 after passing through the first mounting hole 602.
Example 2
An inner cavity 121 is formed in the dedusting disc 1, a first air outlet 131 is annularly formed in the outer wall of the dedusting disc 1, an insertion pipe 141 is arranged at the axis of the top of the dedusting disc 1, and the insertion pipe 141 is inserted into the air pipe 3; a threaded hole 151 is formed in the bottom axis of the dust removing disc 1, a movable pipe 161 is matched with the threaded hole 151, a conical air outlet cover 171 is arranged at the lower end of the movable pipe 161, a second air outlet hole 181 is formed in the outer conical surface of the air outlet cover 171, and the second air outlet hole is perpendicular to the outer conical surface of the air outlet cover 171; after the movable tube 161 is continuously screwed up, it is inserted into the insertion tube 141; an axial flow fan 10 is installed on the upper portion of the frame plate 5, an air guide pipe 11 is connected to the axial flow fan 10, the air guide pipe 11 is inserted into the pipeline 3, and the part of the air guide pipe 11 inserted into the pipeline 3 is arranged coaxially with the pipeline 3;
the above structure has two operation modes:
first, the movable tube 161 is rotated to be inserted into the insertion tube 141, and at this time, the wind output from the duct 3 is transmitted into the movable tube 161, and then discharged to the outside through the second wind outlet 181, and the dust accumulated at the center of the dust removing tray is discharged to the outside.
Secondly, the movable pipe 161 is rotated downwards, and then the movable pipe 161 is separated from the insertion pipe 141, at this time, part of the wind output from the pipeline is sprayed outwards through the first air outlet 131, the dust in the pit is blown out outwards, part of the wind is blown out from the center through the second air outlet 181, the dust accumulated at the bottom of the pit is blown out, and the blown-out dust is discharged outside the pit through the wind blown out from the first air outlet 131.
An arc-shaped wind shield 333 is arranged at the bottom of the frame plate 5, and the wind shield 333 is positioned at the outer side of the dust removing disc 1; the windshield 333 is provided to reduce dust blowing toward the traction machine.
Example 3
An annular clamping groove 334 is formed in the inner top of the pipeline 3, a sealing ring 335 is installed in the annular clamping groove 334, and the sealing ring 335 is in contact with the air guide pipe 11; the above structure is to ensure the sealing property between duct 3 and duct 11 and to prevent wind from leaking from the gap between duct 3 and duct 11.
Example 4
A plurality of radiating air holes 12 are formed in the outer wall of the air guide pipe 11, and a heat-permeable hole 336 communicated with the annular clamping groove 334 is formed in the outer wall of the pipeline 3; the heat dissipation air hole 12 is positioned in the sealing ring 335; since the duct 3 is in a rotating state, the air guide duct 11 is always in contact with the seal ring 335, and heat accumulation is likely to occur, which may cause heat fusion or damage to the seal ring. After the heat dissipation air holes 12 are adopted, part of the wind power passing through the wind guide pipe 11 can be blown out to act on the sealing ring 335, so that the heat dissipation of the sealing ring 335 is realized, and the heat dissipation of the sealing ring 335 is facilitated through the heat penetration holes 336.
The seal ring 335 is cotton.
Example 5
A sealing gasket 13 is matched between the pipeline 3 and the dust removing disc 1; the above structure is to increase the sealability between the duct 3 and the dust removing tray 1.
Example 6
The wire diameter of the spring 103 is 1.2 mm.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a road surface pot hole dust collector that town road construction used which characterized in that: the dust removal disc comprises a dust removal disc (1), a plurality of annular plates (2) are coaxially arranged at the bottom of the dust removal disc (1), bolts (101) are welded at the bottom of the dust removal disc (1), the bolts (101) penetrate through the annular plates (2) and then are matched with nuts (102), springs (103) are assembled on the bolts (101), and the springs (103) act between the dust removal disc (1) and the annular plates (2); assembling holes (201) are uniformly distributed at the bottom of the annular plate (2), and steel wire bristles (202) are assembled in the assembling holes (201); a pipeline (3) is connected to the upper end of the dedusting disc (1) in a flange mode, a vertical pipe (4) is assembled outside the pipeline (3), and a bearing (301) is matched between the pipeline (3) and the vertical pipe (4); a frame plate (5) is welded outside the vertical pipe (4), and a front roller and a rear roller (6) are mounted at the bottom of the frame plate (5); the trailer is characterized in that a mounting hole (501) vertically penetrates through the plate surface of the frame plate (5), a motor (7) is mounted in the mounting hole (501), a driving pulley (701) is mounted at the output end of the motor (7), a driven pulley (302) is assembled on the outer wall of the pipeline (3), a transmission belt (8) is matched between the driving pulley (701) and the driven pulley (302), a first mounting hole (502) is formed in the side, away from the vertical pipe (4), of the top of the frame plate (5), a trailer ball head (9) is mounted in the first mounting hole (502), a first bolt (901) is welded at the lower end of the trailer ball head (9), and the first bolt (901) is assembled with a first nut (902) after penetrating through the first mounting hole (602).
2. The road surface pot hole dust collector of town road construction usefulness of claim 1, characterized by: an inner cavity (121) is formed in the dedusting disc (1), a first air outlet (131) is annularly formed in the outer wall of the dedusting disc (1), an insertion pipe (141) is arranged at the axis of the top of the dedusting disc (1), and the insertion pipe (141) is inserted into the air pipe (3); a threaded hole (151) is formed in the axis of the bottom of the dust removing disc (1), a movable pipe (161) is matched with the threaded hole (151), a conical air outlet cover (171) is arranged at the lower end of the movable pipe (161), a second air outlet hole (181) is formed in the outer conical surface of the air outlet cover (171), and the second air outlet hole is perpendicular to the outer conical surface of the air outlet cover (171); when the movable tube (161) is continuously screwed up, the movable tube is inserted into the insertion tube (141); an axial flow fan (10) is mounted on the upper portion of the frame plate (5), an air guide pipe (11) is connected to the axial flow fan (10), the air guide pipe (11) is inserted into the pipeline (3), and the part of the air guide pipe inserted into the pipeline (3) is arranged coaxially with the pipeline (3).
3. The road surface pot hole dust collector of town road construction usefulness of claim 2, characterized by: an arc-shaped wind shield cover (333) is arranged at the bottom of the frame plate (5), and the wind shield cover (333) is located on the outer side of the dust removing disc (1).
4. The road surface pot hole dust collector of town road construction usefulness of claim 2, characterized by: an annular clamping groove (334) is formed in the inner top of the pipeline (3), a sealing ring (335) is installed in the annular clamping groove (334), and the sealing ring (335) is in contact with the air guide pipe (11).
5. The road surface pot hole dust collector of town road construction usefulness of claim 4, characterized by: a plurality of radiating air holes (12) are formed in the outer wall of the air guide pipe (11), and heat-permeable holes (336) communicated with the annular clamping grooves (334) are formed in the outer wall of the pipeline (3); the heat dissipation air hole (12) is positioned in the sealing ring (335).
6. The road surface pot hole dust collector of town road construction usefulness of claim 4 or 5, characterized by: the sealing ring (335) is cotton.
7. The road surface pot hole dust collector of town road construction usefulness of claim 1, characterized by: and a sealing gasket (13) is matched between the pipeline (3) and the dust removal disc (1).
8. The road surface pot hole dust collector of town road construction usefulness of claim 4, characterized by: the wire diameter of the spring (103) is 1.2 mm-2.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011166339.0A CN112323589B (en) | 2020-10-27 | 2020-10-27 | Road surface hole dust collector that town road construction was used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011166339.0A CN112323589B (en) | 2020-10-27 | 2020-10-27 | Road surface hole dust collector that town road construction was used |
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| CN112323589A true CN112323589A (en) | 2021-02-05 |
| CN112323589B CN112323589B (en) | 2022-05-27 |
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| CN110241702A (en) * | 2019-07-01 | 2019-09-17 | 长春市城建维护股份有限公司 | A kind of city asphalt roads construction equipment |
| CN210368788U (en) * | 2019-07-08 | 2020-04-21 | 安徽开源路桥有限责任公司 | Ash and dust removing machine for old asphalt concrete pavement |
| CN210623561U (en) * | 2019-07-13 | 2020-05-26 | 韶关市龙润工业技术有限公司 | Dynamic and static sealing ring |
| CN211057696U (en) * | 2019-09-17 | 2020-07-21 | 王瑞斌 | Road bed dust collector that highway engineering construction was used |
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| CN111764333A (en) * | 2020-07-14 | 2020-10-13 | 曹萍 | Road construction is with comprehensive cleaning device in road surface |
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Effective date of registration: 20220510 Address after: 213000 Tianshan Road, Xinbei District, Changzhou, Jiangsu Province, No. 22 Applicant after: Jiangsu Tianma Vientiane Construction Group Co.,Ltd. Address before: 461506 group 3, Luzhuang village, Laocheng Town, Changge City, Xuchang City, Henan Province Applicant before: Li Xinxu |
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