CN110130259B - Mine pavement water flushing type single-double channel cleaning spray rod - Google Patents
Mine pavement water flushing type single-double channel cleaning spray rod Download PDFInfo
- Publication number
- CN110130259B CN110130259B CN201910498810.7A CN201910498810A CN110130259B CN 110130259 B CN110130259 B CN 110130259B CN 201910498810 A CN201910498810 A CN 201910498810A CN 110130259 B CN110130259 B CN 110130259B
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- traction frame
- spray
- connecting pipe
- water
- motor
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- 239000007921 spray Substances 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 44
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 230000003137 locomotive effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 13
- 239000004575 stone Substances 0.000 abstract description 11
- 238000011086 high cleaning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a mine pavement water flushing type single-double channel cleaning spray rod, which comprises a tractor and a flushing device, wherein a water tank and a water pump are mounted on the tractor, and the water pump is mounted on a water outlet end pipeline of the water tank; the tractor is characterized in that threaded sleeves are vertically fixed on two sides of the tractor; the flushing devices are symmetrically arranged on the threaded sleeves at two sides of the tractor; the flushing device comprises a spray pipe, a spray head and a multi-angle regulator, wherein the spray pipe is of a tubular structure with a single-end opening, the spray pipe is provided with the spray heads at equal intervals along the axial direction, and the spray heads face obliquely to the rear lower side and deflect to the left side and the right side by 10-45 degrees; the spray head is a step-shaped mechanism which is gradually thinned, and the inner diameter of the spray head is gradually reduced from the fixed end to the free end; the invention has extremely high cleaning efficiency, can clean broken stone, dust and the like on mine pavement by a stepped cleaning mode, has adjustable cleaning coverage width, is suitable for pavement with more width, and provides a safe and clean running environment for vehicles.
Description
Technical Field
The invention relates to the field of mining equipment, in particular to a mine pavement water flushing type single-double channel cleaning spray rod.
Background
The mine pavement is constructed by cement, asphalt and the like, but the mine pavement is larger in dust, coal bed and smoke dust in the surrounding environment, more in broken stone and high in pavement dust accumulation speed, so that the dust on the pavement needs to be cleaned in time, otherwise, after the vehicle runs, a large amount of dust is excited by wheels, the sight of a rear vehicle is seriously influenced, and the mine pavement is bent seriously, so that the safety is greatly influenced; when the cleaning is performed by the dry cleaning method, there are problems such as serious dust emission, low cleaning efficiency, and uncleanness, so it is necessary to study a mine road surface cleaning device which is efficient and avoids dust emission.
In addition, on the mine pavement, drainage channels are generally arranged on two sides or one side of the pavement, when the pavement is cleaned, the pavement is generally discharged into the drainage channels, the cleaning times cannot be cleaned at all, celadon is generally required to be cleaned, the pavement with the two-side drainage channels is relatively convenient to clean, the travelling direction is not required to be selected according to the positions of the drainage channels, and the pavement can be cleaned twice in one round trip; however, for a road with only a single-side drainage channel, the position of the drainage channel needs to be clarified, then the traction travelling direction is determined, the road can only travel in one direction, and one round trip can only be cleaned once, namely, the road with the single-side drainage channel can only be cleaned once, then the road is returned to the initial position, and the road is cleaned once again, so that the purpose of cleaning twice in one round trip cannot be realized, namely, two round trips are needed to realize the cleaning twice and discharge sludge, broken stone and the like into the single-side drainage channel, which is very inconvenient and time-consuming.
Disclosure of Invention
The invention aims to provide the mine pavement water-flushing type single-double-channel cleaning spray rod, which can avoid the dust emission problem, has extremely high cleaning efficiency, can clean broken stone, dust and the like on the mine pavement by a stepped cleaning mode, has adjustable cleaning coverage width, is suitable for pavement with more width, and provides a safe and clean running environment for vehicles; but also can adapt to the purpose of cleaning any road of a single channel road and a double channel road to and fro twice, especially for a unilateral drainage channel, the cleaning efficiency and the convenience can be improved, and the time is saved.
The mine pavement water flushing type double-channel cleaning spray rod comprises a tractor and a flushing device, wherein a water tank and a water pump are mounted on the tractor, and the water pump is arranged on a water outlet end pipeline of the water tank; the tractor is characterized in that threaded sleeves are vertically fixed on two sides of the tractor; the flushing devices are symmetrically arranged on the threaded sleeves at two sides of the tractor;
The flushing device comprises a spray pipe, a spray head and a multi-angle regulator; the spray pipe is of a tubular structure with a single-end opening, spray heads are equidistantly arranged in the axial direction, the spray heads face obliquely to the rear lower side and deflect towards the left side and the right side by an angle of 10-45 degrees, the spray heads are step-shaped mechanisms which taper gradually, and the inner diameter of the spray heads is gradually reduced from a fixed end to a free end; the opening end of the spray pipe is fixedly connected with the water outlet end of the water tank.
Preferably, one end of the spray pipe is provided with a first clamping edge, a first pipe clamp is arranged in the middle of the clamping edge, a pull rope is connected to the first pipe clamp through a basket bolt, and the other end of the pull rope is fixedly connected with the tractor to prevent the spray pipe from shaking in the advancing process due to overlong;
preferably, the other end of the spray pipe is provided with a second clamping edge, and a second pipe clamp is arranged in the middle of the clamping edge; one end of the multi-angle adjuster is hinged with the second pipe clamp, the multi-angle adjuster is arranged in the thread sleeve, and external threads on the multi-angle adjuster are matched with internal threads of the thread sleeve; fixing nuts are screwed on the multi-angle adjuster at the upper end and the lower end of the threaded sleeve;
the spray head is of a ladder-shaped structure, and the inner diameter of the spray head gradually decreases from the fixed end to the free end;
The opening end of the spray pipe is fixedly connected with the water outlet end of the water tank.
Preferably, the lower end of the multi-angle adjuster is horizontally provided with a through hole, and a bolt on the second pipe clamp penetrates through the through hole of the multi-angle adjuster to be hinged and fixed on the pipe clamp.
Preferably, a hook at one end of the basket bolt is hooked on a first pipe clamp of the spray pipe, and a hook at the other end of the basket bolt is fixedly connected with the steel wire rope through a basket clamp.
Preferably, the spray head is provided with four on the multi-angle regulator.
Preferably, a rubber gasket is fixedly arranged between the pipe clamp and the spray pipe.
The mine pavement water flushing type single-channel cleaning spray rod device comprises a traction frame and a flushing device, and is characterized in that the traction frame is pulled to move by a locomotive; a connecting pipe is fixed on the middle part of the flushing device, the flushing device is rotatably arranged on the traction frame at an included angle of 20-70 degrees with the advancing direction, and the flushing device is connected with the traction frame through the connecting pipe; the traction frame is provided with a water tank and a water pump; the water outlet of the water tank is connected with the connecting pipe through a pipeline, and a water pump is arranged on the water outlet of the water tank.
Preferably, the traction frame is of a square structure, a traction beam used for being carried on a locomotive is arranged at the front part of the traction frame, and wheels are arranged on the traction frame; a bearing sleeve is fixed at the central position of the traction frame, and a bearing is arranged in the bearing sleeve; the connecting pipe is sleeved in the bearing, so that the connecting pipe is fixed on the frame and can rotate; a disk gear is fixed above the bearing on the connecting pipe; a motor is arranged on the traction frame along the front-rear direction of the traction frame, a spiral gear is arranged on a rotor of the motor, the spiral gear and the disk gear are arranged in a matched manner to form a right-angle staggered transmission gear mechanism, and a connecting pipe is driven to rotate positively and negatively by positive and negative rotation of the motor; the connecting pipe is in butt joint installation with the water outlet of the water tank through the rotary joint.
Preferably, two limit switches are fixed on the traction frame and are contacted with the spray pipe of the flushing device, when the included angle between the spray pipe and the traction frame is +/-45 degrees, the spray pipe touches the limit switches, and the limit switches disconnect the current circuit, so that the motor stops acting.
The beneficial effects of the invention are as follows:
Firstly, the application realizes the cleaning work of mine pavement by water flushing, can avoid dust emission, and has high cleaning efficiency and large coverage area;
Secondly, the spray heads arranged in a certain inclination mode can clean broken stones to two sides of a road step by step, the cleaning force is high, the problem of cleaning reduction is avoided, and the problem that larger broken stones cannot be cleaned is solved;
Thirdly, the degree of freedom of the flushing device in the horizontal direction and the circumferential direction can be adjusted, the width of different roads can be adapted through horizontal adjustment, the universality is improved, the cleanliness of the roads can be adjusted through circumferential adjustment, and the adaptability and the demand can meet the requirements of most of on-mine roads;
Fourth, the present application can realize two-time spraying by only one round trip when used in a single-side drainage canal, and sweep sludge, crushed stone, etc. into the single-side drainage canal.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the flushing device of the present invention.
Fig. 3 is an end view of the present invention.
Fig. 4 is a schematic view of the transverse structure of the present invention.
Fig. 5 is a schematic view of a mounting partial structure of the present invention.
Fig. 6 is a schematic view of a horizontally adjustable flushing device of the present invention.
Fig. 7 is a schematic perspective view of the present invention.
Fig. 8 is a schematic diagram of the installation position of the limit switch according to the present invention.
Fig. 9 is a schematic structural view of a transmission mechanism of the present invention.
FIG. 10 is a schematic diagram of the single-sided drainage up-channel sweeping principle of the present invention.
Fig. 11 is a schematic diagram of the downward sweeping principle of the unilateral drainage channel of the present invention.
Fig. 12 is a schematic diagram of a motor control circuit.
In the figure, a tractor 1, a threaded sleeve 1-1, a flushing device 2, a spray pipe 2-1, a spray head 2-2, a multi-angle regulator 2-3, a first clamping edge 2-4, a second clamping edge 2-5, a first pipe clamp 2-6, a second pipe clamp 2-7, a pull rope 2-8, a traction frame 3, a bearing sleeve 3-1, a connecting pipe 4, a disk gear 5, a motor 6, a spiral gear 7, a limit switch 8 and a rotary joint 9.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application, it should be noted that unless otherwise specified, the structural members of the present application are all commercially available products such as rotary joints.
As shown in fig. 1 and 2, the mine pavement water flushing type double-channel cleaning spray boom comprises a tractor 1 and a flushing device 2, wherein a water tank and a water pump are mounted on the tractor 1, and the water pump is mounted on a water outlet end pipeline of the water tank; threaded sleeves 1-1 are vertically welded on two sides of the tractor 1; the flushing device 2 is symmetrically arranged on the threaded sleeves 1-1 at two sides of the tractor 1; the flushing device 2 can rotate in the horizontal direction with the thread bush 1-1 as the center of a circle to adapt to roads with different widths (as shown in fig. 6).
As shown in fig. 2,3 and 4, in the present invention, the flushing device 2 includes a nozzle 2-1, a head 2-2, a multi-angle regulator 2-3 (i.e., a screw); the spray pipe 2-1 is of a tubular structure with a single-end opening, the opening end faces the tractor 1, the spray pipe 2-1 is equidistantly welded with spray heads 2-2 along the axial direction, the spray heads 2-2 face obliquely backward and downward and deflect by 25 degrees towards the left side and the right side, and the spray heads 2-2 are communicated with the spray pipe 2-1; one end of the spray pipe 2-1 is welded with a first clamping edge 2-4, a first pipe clamp 2-6 is arranged in the middle of the clamping edge, the first pipe clamp 2-6 is fastened and fixed through bolts, a rubber pad (not shown in the figure) is fixedly arranged between the first pipe clamp 2-6 and the spray pipe 2-1, the first pipe clamp is characterized in that the fixing bolts are loosened due to vibration generated when the tractor 1 is placed in a running process, the spray pipe 2-1 can be placed to slide between the first pipe clamps 2-6, a pull rope 2-8 (steel wire rope) is connected to the first pipe clamp 2-6 through a basket bolt, the length of the pull rope 2-8 can be finely adjusted through the basket bolt, the pull rope is tightened, the other end of the pull rope 2-8 is fixedly connected with the tractor 1 through the basket clamp, the spray pipe 2-1 is prevented from being overlong, and the spray pipe 2-1 is prevented from shaking in the running process, and cleaning is affected; a second clamping edge 2-5 is arranged at the other end of the spray pipe 2-1 near the end, and a second pipe clamp 2-7 is arranged in the middle of the clamping edge through a bolt; one end of the multi-angle adjuster 2-3 is hinged with the second pipe clamp 2-7, and specifically comprises: the lower end of the multi-angle adjuster 2-3 is horizontally provided with a through hole, a bolt on the second pipe clamp 2-7 passes through the through hole of the multi-angle adjuster 2-3 to be hinged on the pipe clamp, the multi-angle adjuster 2-3 is screwed in the thread bush 1-1 (for convenient installation, the multi-angle adjuster 2-3 can be screwed in the thread bush 1-1 first, then the multi-angle adjuster 2-3 is hinged with the second pipe clamp 2-7), and external threads on the multi-angle adjuster 2-3 are matched with internal threads of the thread bush 1-1; two fixing nuts are screwed at the upper end and the lower end of the thread sleeve 1-1 on the multi-angle adjuster 2-3, the horizontal position of the spray pipe 2-1 is adjusted, and after the horizontal position is determined, the fixing nuts are screwed to clamp the thread sleeve 1-1, so that the position of the spray pipe 2-1 can be fixed.
As shown in FIG. 2, in the present invention, the shower head 2-2 has a ladder-like structure, and the inside diameter of the shower head 2-2 gradually decreases from the fixed end to the free end; this structure can increase the pressure of the ejected water.
In the present invention, the open end of the spout 2-1 is fixedly connected to the water outlet end of the water tank, and the spout 2-1 is supplied with water from the water tank (not shown).
As shown in fig. 6, the principle of the mine pavement water-flushing type double-channel cleaning spray rod is as follows: the high-pressure water spray is utilized to spray dust, broken stone and the like on the ground to two sides of a road, and dust cannot raise due to the action of water; the backward jetting of the nozzle 2-2 can reduce the travelling resistance of the tractor 1; the spray heads 2-2 deflect towards the left side and the right side for 25 degrees, so that broken stones can be sprayed to the two sides of a road, and as the four spray heads 2-2 are arranged, broken stones close to the center of the road can be sprayed by the spray heads 2-2 step by step, so that the problem that larger broken stones cannot be sprayed to the side of the road is avoided; in addition, the spray pipes 2-1 in the application can adapt to road surface cleaning work with different widths due to the adjustable level, for wider road surfaces, the two spray pipes 2-1 are adjusted to be close to the same straight line, for narrower road surfaces, the spray pipes 2-1 are rotated backwards to narrow, the universality is stronger, and the application is very practical for the road surfaces on mines.
When the cleaning device is used, the road with the double-side drainage canal is constructed as shown in fig. 1, and the double-side flushing device 2 mounted on the tractor 1 can be reciprocated for two times, so that the cleaning purpose is realized.
Referring to fig. 7,8 and 9, the mine pavement water flushing type single-channel cleaning spray rod device comprises a traction frame 3 and a flushing device 2, wherein the traction frame 3 is pulled by a locomotive to travel; the middle part of the flushing device 2 is fixedly welded with a connecting pipe 4 communicated with a spray pipe 2-1, the flushing device 2 is rotatably arranged on the traction frame 3 at an included angle of 45 degrees with the advancing direction, and the flushing device 2 is connected with the traction frame 3 through the connecting pipe 4; a water tank (not shown) and a water pump (not shown) are mounted on the traction frame 3; the water outlet of the water tank is connected with the connecting pipe 4 through a pipeline, and a water pump is arranged on the water outlet of the water tank.
Wherein, the traction frame 3 is of a rectangular structure, the front part of the traction frame 3 is provided with a traction beam used for being carried on a locomotive, and wheels are arranged on the traction frame 3; a bearing sleeve 3-1 is welded and fixed at the center of the traction frame 3, and a bearing (not shown in the figure) is arranged in the bearing sleeve 3-1 in an interference fit manner; the connecting pipe 4 is sleeved in the inner ring of the bearing, so that the connecting pipe 4 is fixed on the frame and can rotate; a disk gear 5 is assembled on the connecting pipe 4 above the bearing in a key slot matching mode; a motor 6 is arranged on the traction frame 3 along the front-back direction of the traction frame 3 through bolts, a spiral gear 7 is arranged on a rotor of the motor 6, the spiral gear 7 and the disk gear 5 are matched and arranged to form a right-angle staggered transmission gear mechanism, and the connecting pipe 4 (thereby driving the spray pipe 2-1) is driven to rotate in the positive and negative directions by the positive and negative rotation of the motor 6; the rotary joint 9 is arranged on the connecting pipe 4, and the rotary joint 9 is in butt joint with the water outlet of the water tank.
Referring to fig. 12, in the present invention, two limit switches 8 are fixedly installed on a traction frame 3, the limit switches 8 are in contact with a spray pipe 2-1 of a flushing device 2, when an included angle between the spray pipe 2-1 and the traction frame 3 is ±45°, the spray pipe 2-1 touches the limit switch 8 (K1 or K2), and the limit switch 8 disconnects a current circuit, so that a motor 6 stops operating; correspondingly, two switches (M1) for controlling the forward and reverse rotation of the motor 6 are arranged on a circuit where the limit switch 8 is arranged; the motor 6, the limit switch 8 and the switch for controlling the forward and reverse rotation of the motor 6 are controlled by a forward and reverse rotation circuit of the motor 6, and are provided with: when the travelling direction is upward (shown in fig. 10), the spray pipe 2-1 is positioned at the position shown in fig. 10, and when the direction of the travelling direction is downward (namely, the travelling direction is downward as shown in fig. 11), one of the switches is pressed, so that the spray pipe 2-1 rotates 180 degrees clockwise and is still in a state of being sprayed to the left side; if the water is sprayed and swept by turning around again, the toggle switch (M1) is reversed to the reverse position, so that the water is returned to the upward position, and the purpose of always spraying and sweeping towards the unilateral drainage channel can be achieved by repeating the operation.
Referring to fig. 11 and 12, in the present application, in the case of a road having only one drainage channel, the flushing device 2 mounted on the traction frame 3 is moved back and forth on the road surface, so that the road surface "sundries" can be flushed out twice without selecting the traveling and spraying direction according to the position of the drainage channel (i.e., without selecting the traveling and spraying direction according to whether the drainage channel is positioned on the left side or the right side of the road), specifically: when the traction frame 3 turns around and sprays back, the spray pipe 2-1 needs to be reversely rotated for 180 degrees from the initial position, the flushing device 2 can still spray and sweep towards one side, and so on.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The mine pavement water flushing type single-channel cleaning spray rod device comprises a traction frame and a flushing device, and is characterized in that the traction frame is pulled to move by a locomotive; a connecting pipe is fixed on the middle part of the flushing device, the flushing device is rotatably arranged on the traction frame at an included angle of 20-70 degrees with the advancing direction, and the flushing device is connected with the traction frame through the connecting pipe; the traction frame is provided with a water tank and a water pump; the water outlet of the water tank is connected with the connecting pipe through a pipeline, and a water pump is arranged on the water outlet of the water tank;
The traction frame is of a square structure, a traction beam used for being carried on a locomotive is arranged at the front part of the traction frame, and wheels are arranged on the traction frame; a bearing sleeve is fixed at the central position of the traction frame, and a bearing is arranged in the bearing sleeve; the connecting pipe is sleeved in the bearing, so that the connecting pipe is fixed on the frame and can rotate; a disk gear is fixed above the bearing on the connecting pipe; a motor is arranged on the traction frame along the front-rear direction of the traction frame, a spiral gear is arranged on a rotor of the motor, the spiral gear and the disk gear are arranged in a matched manner to form a right-angle staggered transmission gear mechanism, and a connecting pipe is driven to rotate positively and negatively by positive and negative rotation of the motor; the connecting pipe is in butt joint installation with the water outlet of the water tank through a rotary joint;
two limit switches are fixed on the traction frame and are contacted with the spray pipe of the flushing device;
Two switches for controlling the forward and reverse rotation of the motor are arranged on a circuit where the limit switch is positioned; the motor, the limit switch and the switch for controlling the forward and reverse rotation of the motor are controlled by a forward and reverse rotation circuit of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498810.7A CN110130259B (en) | 2019-06-11 | 2019-06-11 | Mine pavement water flushing type single-double channel cleaning spray rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498810.7A CN110130259B (en) | 2019-06-11 | 2019-06-11 | Mine pavement water flushing type single-double channel cleaning spray rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110130259A CN110130259A (en) | 2019-08-16 |
| CN110130259B true CN110130259B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910498810.7A Active CN110130259B (en) | 2019-06-11 | 2019-06-11 | Mine pavement water flushing type single-double channel cleaning spray rod |
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| CN (1) | CN110130259B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847103A (en) * | 2019-10-13 | 2020-02-28 | 颖索(江苏)汽车零部件技术有限公司 | Road surface high pressure cleaning equipment |
| CN112627092B (en) * | 2020-12-15 | 2023-01-31 | 广东盈峰智能环卫科技有限公司 | Washing vehicle |
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