CN215197729U - Spraying device is used in processing of C shape steel component - Google Patents
Spraying device is used in processing of C shape steel component Download PDFInfo
- Publication number
- CN215197729U CN215197729U CN202120352261.5U CN202120352261U CN215197729U CN 215197729 U CN215197729 U CN 215197729U CN 202120352261 U CN202120352261 U CN 202120352261U CN 215197729 U CN215197729 U CN 215197729U
- Authority
- CN
- China
- Prior art keywords
- spraying
- partition plate
- steel member
- vertical partition
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model relates to a steel member processing equipment technical field provides a C shape steel member processing is with spraying device, aims at solving traditional C shape steel member manual paint spraying mode, produces very big harm to operation personnel's health, and on the other hand manual spraying is not comprehensive, inhomogeneous, and the lower problem of spraying efficiency, including the vertical baffle of left and right sides extension of vertical installation in base case and base case upper end, install the lower roll seat with vertical baffle syntropy extension on the roof of base case corresponding vertical baffle front end position, the steel member positioning mechanism that a plurality of be used for C shape steel member location is installed to the upper level direction on the front wall of vertical baffle, and the horizontal installation of the upper roll track of vertical baffle front end upside, is equipped with spraying mechanism between lower roll seat and the upper roll track; the spraying mechanism comprises a C-shaped spraying pipe which is arranged on the vertical partition plate and the opening of which is arranged at the rear side. The utility model discloses be particularly useful for the surface spraying of C shape steel component, have higher social use value and application prospect.
Description
Technical Field
The utility model relates to a steel member processing equipment technical field, concretely relates to spraying device is used in processing of C shape steel member.
Background
The steel member system has the comprehensive advantages of light dead weight, factory manufacturing, quick installation, short construction period, good anti-seismic performance, quick investment recovery, less environmental pollution and the like, has unique advantages of development in three aspects of height, size and light compared with a reinforced concrete structure, and is reasonably and widely applied in the global range. The C-shaped steel member refers to light steel with a C-shaped section, and is mainly used as a steel structure bracket, a cross beam, a lacing wire and the like.
The existing C-shaped steel component can be subjected to paint spraying treatment on the outer surface of the C-shaped steel component for the purposes of corrosion prevention, rust prevention and attractiveness, the traditional C-shaped steel component adopts a manual paint spraying mode, operators spray paint in an open environment or a closed environment, waste gas generated in the operation process greatly harms the health of the operators, and on the other hand, manual spraying is not comprehensive and uneven, the spraying efficiency is low, and the requirement of large-scale processing cannot be met.
The patent of publication No. CN208878910U discloses a steel member paint spraying line, and it reaches it including the steel member transmission line that is used for transmitting the steel member be used for carrying out the automatic paint spraying room that sprays paint automatically and be used for the stoving baking finish room of the steel member after spraying paint to the steel member during the position, automatic paint spraying room and baking finish room set gradually on the steel member transmission line along the direction of transmission of steel member, and the device can be at the in-process of steel member transmission, and the automation is sprayed paint to the steel member, but the device has the inhomogeneous problem of the face of spraying paint. Therefore, the spraying device for machining the C-shaped steel member is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a spraying device is used in processing of C shape steel component has overcome the not enough of prior art, reasonable in design, and compact structure aims at solving the artifical mode of spraying paint of traditional C shape steel component, produces waste gas in the operation process and produces very big harm to operation personnel's health, and on the other hand artifical spraying is not comprehensive, inhomogeneous, and spraying efficiency is also lower, can't satisfy the problem that extensive processing needs.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a spraying device for processing C-shaped steel members comprises a base box and a vertical partition plate vertically arranged at the upper end of the base box and extending left and right, wherein a lower rolling seat extending in the same direction as the vertical partition plate is arranged on the top wall of the base box corresponding to the front end of the vertical partition plate, a plurality of steel member positioning mechanisms used for positioning the C-shaped steel members are horizontally arranged on the front wall of the vertical partition plate, an upper rolling rail is horizontally arranged on the upper side of the front end of the vertical partition plate, and a spraying mechanism is arranged between the lower rolling seat and the upper rolling rail;
the spraying mechanism comprises a C-shaped spraying pipe which is arranged on a vertical partition plate and is provided with an opening at the rear side, a plurality of spray heads distributed along the inner wall of the C-shaped spraying pipe are distributed on the inner wall of the C-shaped spraying pipe, an upper roller and a lower roller are respectively installed at the upper end and the lower end of the C-shaped spraying pipe through wheel carriers, the upper roller is installed in an upper rolling track in a rolling mode, the lower roller is installed in a lower rolling seat in a rolling mode, a servo motor used for driving the upper roller is arranged on the upper roller, the rear end of the C-shaped spraying pipe is connected with a connecting pipeline in a penetrating mode, the other end of the connecting pipeline penetrates through a strip pipeline through hole formed in the upper level of the vertical partition plate and is connected with a soft telescopic pipe in a penetrating mode, the other end of the soft telescopic pipe is connected to the bottom wall of an oil paint box in a penetrating mode, an electromagnetic valve and a paint pump are arranged on the soft telescopic pipe, and the paint box is installed on the rear wall of the vertical partition plate.
Preferably, the output ends of the plurality of spray heads are arranged in a C shape matched with the outer surface of the C-shaped steel member.
Preferably, a section of the connecting pipeline, which is located at the rear side of the strip-shaped pipeline through hole, is fixedly sleeved with a sliding seat, and the sliding seat is slidably mounted on the rear wall of the vertical partition plate.
Preferably, the steel member positioning mechanism comprises a positioning box which is arranged on the front wall of the vertical partition plate through a fixing pipe, two pushing pistons are symmetrically arranged in the inner cavity of the positioning box from top to bottom, a supporting rod is arranged on one side of the two pushing pistons, which is opposite to each other, the other end of the supporting rod extends to the outer cavity of the positioning box and is provided with a positioning block, a telescopic spring is sleeved on the supporting rod, and two ends of the telescopic spring are respectively connected with the inner wall of the positioning box and the side wall of the pushing piston, a hollow communicating sleeve is sleeved in the fixed tube, the front end of the hollow communicating sleeve is communicated with the middle part of the rear end of the positioning box, the rear end of the hollow communicating sleeve penetrates through the vertical clapboard and is communicated with the hydraulic sleeve, the hydraulic sleeve is fixedly arranged on the rear wall of the vertical clapboard, and a driving piston is arranged in the hydraulic sleeve in a sliding manner, the other end of the driving piston is connected with a telescopic end of a cylinder, and the other end of the cylinder extends to an outer cavity of the hydraulic sleeve and is arranged on the top wall of the base box.
Preferably, be equipped with feed supplement mouth and level gauge on the roof of paint-free box, and install the case lid on the feed supplement mouth, the sense terminal of level gauge extends to in the inner chamber of paint-free box.
Preferably, a control panel is installed on the front wall of the base box, a display screen and a control button are arranged on the control panel, and a PLC is arranged in the control panel.
(III) advantageous effects
The embodiment of the utility model provides a spraying device is used in processing of C shape steel component possesses following beneficial effect:
1. the utility model discloses backward with the opening of C shape steel component, keep flat on a plurality of steel component positioning mechanism from the opening part level, the cylinder starts afterwards, promote the drive piston and upwards move in hydraulic sleeve, and then promote built-in hydraulic oil and pass through position between two propulsion pistons that cavity intercommunication sleeve got into the location box, two drive pistons reverse promotion two locating pieces make progress respectively and downstream, the laminating fixes the inner chamber diapire and the roof of C shape steel component, guarantee the location of C shape steel component when the spraying, also guarantee its comprehensive spraying requirement that accords with spraying mechanism to C shape steel component simultaneously.
2. The utility model discloses after the location is accomplished, the servo motor drive promotes C shape spray pipe from the side of going to the right, solenoid valve opens simultaneously, the paint pump starts, the outer wall of C shape spray pipe inboard a plurality of shower nozzles laminating C shape steel component carries out quick spraying, guarantees the spraying processing of C shape steel component, can understand that servo motor can be according to the spraying requirement when reacing the right side, and reverse drive promotes C shape spray pipe from the side of going to the requirement of spraying many times.
3. The utility model discloses a control panel's setting, effectual assurance is to the intelligent control of spraying paint of C shape steel component, and it is convenient to get simultaneously put, has improved the processing convenience of C shape steel component greatly.
Drawings
The above features, technical features, advantages and modes of realisation of a C-shaped steel member working spray coating device will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.
FIG. 1 is a front view of the present invention;
fig. 2 is a cross-sectional side view of the present invention;
FIG. 3 is a schematic structural view of a C-shaped steel member according to the present invention;
fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.
In the figure: the device comprises a base box 1, a lower rolling seat 2, a control panel 3, a vertical partition plate 4, a steel member positioning mechanism 5, a positioning box 51, a fixed pipe 52, a pushing piston 53, a support rod 54, a positioning block 55, a telescopic spring 56, a hollow communication sleeve 57, a hydraulic sleeve 58, a driving piston 59, a cylinder 510, a spraying mechanism 6, a C-shaped spraying pipe 61, a spray head 62, a wheel frame 63, a lower roller 64, an upper roller 65, a servo motor 66, a connecting pipeline 67, a sliding seat 68, a soft telescopic pipe 69, an electromagnetic valve 610, an oil paint box 611, a box cover 612, an upper rolling track 7, a strip-shaped pipeline through hole 8 and a C-shaped steel member 9.
Detailed Description
The invention will be further described with reference to the following figures 1-4 and examples:
example 1
A spraying device for processing C-shaped steel members comprises a base box 1 and a vertical partition plate 4 vertically arranged at the upper end of the base box 1 and extending left and right, wherein a lower rolling seat 2 extending in the same direction as the vertical partition plate 4 is arranged on the top wall of the base box 1 corresponding to the front end of the vertical partition plate 4, a plurality of steel member positioning mechanisms 5 used for positioning the C-shaped steel members 9 are horizontally arranged on the front wall of the vertical partition plate 4, an upper rolling rail 7 is horizontally arranged on the upper side of the front end of the vertical partition plate 4, and a spraying mechanism 6 is arranged between the lower rolling seat 2 and the upper rolling rail 7;
in this embodiment, as shown in fig. 1-4, the spraying mechanism 6 includes a C-shaped spraying tube 61 disposed on the vertical partition 4 and having an opening disposed at the rear side, a plurality of nozzles 62 distributed along the inner wall of the C-shaped spraying tube 61 are distributed on the inner wall of the C-shaped spraying tube 61, an upper roller 65 and a lower roller 64 are respectively mounted at the upper and lower ends of the C-shaped spraying tube 61 through a wheel carrier 63, the upper roller 65 is mounted in the upper rolling rail 7 in a rolling manner, the lower roller 64 is mounted in the lower rolling base 2 in a rolling manner, a servo motor 66 for driving the upper roller 65 is disposed on the upper roller 65, a connecting pipe 67 is connected through the rear end of the C-shaped spraying tube 61, the other end of the connecting pipe 67 penetrates through a bar-shaped pipe through hole 8 horizontally disposed on the vertical partition 4 and is connected with a flexible telescopic pipe 69, the other end of the flexible telescopic pipe 69 is connected through the bottom wall of the paint box 611, and a solenoid valve 610 and a paint pump are disposed on the flexible telescopic pipe 69, the paint tank 611 is mounted on the rear wall of the vertical partition 4.
In this embodiment, as shown in fig. 1-4, the steel member positioning mechanism 5 includes a positioning box 51 installed on the front wall of the vertical partition plate 4 through a fixed tube 52, and two pushing pistons 53 are installed in the inner cavity of the positioning box 51 in an up-down symmetrical manner, a supporting rod 54 is installed on one side of each of the two pushing pistons 53 opposite to each other, the other end of the supporting rod 54 extends to the outer cavity of the positioning box 51 and is installed with a positioning block 55, a telescopic spring 56 is sleeved on the supporting rod 54, and two ends of the telescopic spring 56 are respectively connected with the inner wall of the positioning box 51 and the side wall of the pushing piston 53, a hollow communication sleeve 57 is sleeved in the fixed tube 52, the front end of the hollow communication sleeve 57 is connected with the middle part of the rear end of the positioning box 51 in a penetrating manner, the rear end of the hollow communication sleeve 57 penetrates through the vertical partition plate 4 and is connected with a hydraulic sleeve 58 in a penetrating manner, hydraulic oil is contained in the hydraulic sleeve 58, the hydraulic sleeve 58 is fixedly installed on the rear wall of the vertical partition plate 4, a driving piston 59 is slidably mounted in the hydraulic sleeve 58, the other end of the driving piston 59 is connected with a telescopic end of a cylinder 510, and the other end of the cylinder 510 extends to an outer cavity of the hydraulic sleeve 58 and is mounted on the top wall of the base box 1;
in the embodiment, the C-shaped steel member 9 is placed horizontally on the plurality of steel member positioning mechanisms 5 from the opening after the opening of the C-shaped steel member 9 is backward, then the cylinder 510 is started to push the driving piston 59 to move upwards in the hydraulic sleeve 58, further push the built-in hydraulic oil to enter the position between the two pushing pistons 53 of the positioning box 51 through the hollow communicating sleeve 57, push the two driving pistons 59 to move reversely by the extruded hydraulic oil, further push the two positioning blocks 55 to move upwards and downwards respectively, attach and fix the bottom wall and the top wall of the inner cavity of the C-shaped steel member 9, ensure the positioning of the C-shaped steel member 9 during spraying, and simultaneously ensure that the C-shaped steel member 9 meets the requirement of the spraying mechanism 6 on the overall spraying of the C-shaped steel member 9;
as shown in fig. 1, after the positioning is completed, the servo motor 66 drives to push the C-shaped spraying pipe 61 to move from left to right, the electromagnetic valve 610 is opened, the paint pump is started, the plurality of nozzles 62 on the inner side of the C-shaped spraying pipe 61 are attached to the outer wall of the C-shaped steel member 9 for rapid spraying, and the spraying processing of the C-shaped steel member 9 is ensured.
Example 2
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 2 and 4, the output ends of a plurality of spray heads 62 are arranged in a C-shape matching with the outer surface of the C-shaped steel member 9;
in this embodiment, the C-shaped arrangement of the plurality of spray heads 62 can effectively ensure the overall spraying of the C-shaped outer wall of the C-shaped steel member 9.
Example 3
The difference between this embodiment and embodiment 1 is that, as shown in fig. 2 and 4, a sliding seat 68 is fixedly sleeved on a section of the connecting pipe 67 located at the rear side of the strip-shaped pipe through hole 8, and the sliding seat 68 is slidably mounted on the rear wall of the vertical partition plate 4;
in this embodiment, the arrangement of the sliding seat 68 can effectively protect the strip-shaped pipeline through hole 8, and simultaneously prevent the flexible extension tube 69 from being wound when moving left and right, thereby improving the reliability.
Example 4
The difference between this embodiment and embodiment 1 is that, as shown in fig. 1-2, a replenishment port and a level meter are provided on the top wall of the paint tank 611, a tank cover 612 is installed on the replenishment port, and a detection end of the level meter extends into the inner cavity of the paint tank 611;
in this embodiment, the replenishment port is provided to facilitate replenishment of paint for continuous spraying, and the level gauge is provided to detect the level of the paint surface in the paint tank 611 to cooperate with the replenishment port to replenish the paint in time.
Example 5
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 1, a control panel 3 is installed on the front wall of the base box 1, a display screen and control buttons are arranged on the control panel 3, and a PLC controller is arranged in the control panel 3;
in this embodiment, the model of PLC controller is Siemens S7-300, and control panel 3 passes through electric control line and cylinder 510, servo motor 66, solenoid valve 610, paint pump and level gauge electric connection, and the effectual control of spraying paint of guaranteeing to the intellectuality of C shape steel component 9 is got simultaneously and is put conveniently, has improved the processing convenience of C shape steel component greatly.
Other undescribed structures refer to example 1.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (6)
1. A spraying device for processing C-shaped steel members comprises a base box (1) and a vertical partition plate (4) vertically arranged at the upper end of the base box (1) and extending left and right, and is characterized in that a lower rolling seat (2) extending in the same direction as the vertical partition plate (4) is arranged on the top wall of the base box (1) corresponding to the front end of the vertical partition plate (4), a plurality of steel member positioning mechanisms (5) used for positioning the C-shaped steel members (9) are horizontally arranged on the front wall of the vertical partition plate (4), an upper rolling rail (7) is horizontally arranged on the upper side of the front end of the vertical partition plate (4), and a spraying mechanism (6) is arranged between the lower rolling seat (2) and the upper rolling rail (7);
the spraying mechanism (6) comprises a C-shaped spraying pipe (61) which is arranged on a vertical partition plate (4) and is provided with an opening at the rear side, a plurality of spray heads (62) distributed along the inner wall of the C-shaped spraying pipe (61) are distributed on the inner wall of the C-shaped spraying pipe, an upper roller (65) and a lower roller (64) are respectively arranged at the upper end and the lower end of the C-shaped spraying pipe (61) through a wheel carrier (63), the upper roller (65) is arranged in an upper rolling track (7) in a rolling way, the lower roller (64) is arranged in a lower rolling seat (2) in a rolling way, a servo motor (66) for driving the upper roller (65) is arranged on the upper roller (65), the rear end of the C-shaped spraying pipe (61) is connected with a connecting pipeline (67) in a penetrating way, the other end of the connecting pipeline (67) penetrates through a strip-shaped pipeline through hole (8) horizontally arranged on the vertical partition plate (4) and is connected with a flexible telescopic pipe (69) in a penetrating way, and the other end of the flexible telescopic pipe (69) is connected with the bottom wall of an oil paint box (611) in a penetrating way, and the flexible telescopic pipe (69) is provided with an electromagnetic valve (610) and a paint pump, and the paint box (611) is arranged on the rear wall of the vertical partition plate (4).
2. The spraying device for machining the C-shaped steel member according to claim 1, wherein: the output ends of the spray heads (62) are arranged in a C shape matched with the outer surface of the C-shaped steel component (9).
3. The spraying device for machining the C-shaped steel member according to claim 1, wherein: the connecting pipeline (67) is fixedly sleeved with a sliding seat (68) at one section at the rear side of the strip-shaped pipeline through hole (8), and the sliding seat (68) is slidably mounted on the rear wall of the vertical partition plate (4).
4. The spraying device for machining the C-shaped steel member according to claim 1, wherein: the steel member positioning mechanism (5) comprises a positioning box (51) installed on the front wall of a vertical partition plate (4) through a fixing pipe (52), two pushing pistons (53) are installed in an inner cavity of the positioning box (51) in an up-down symmetrical mode, supporting rods (54) are installed on the two sides, opposite to each other, of the two pushing pistons (53), the other ends of the supporting rods (54) extend to an outer cavity of the positioning box (51) and are provided with positioning blocks (55), telescopic springs (56) are sleeved on the supporting rods (54), two ends of each telescopic spring (56) are respectively connected with the inner wall of the positioning box (51) and the side wall of each pushing piston (53), a hollow communication sleeve (57) is sleeved in the fixing pipe (52), the front end of each hollow communication sleeve (57) is communicated with the middle of the rear end of the positioning box (51), the rear end of each hollow communication sleeve (57) penetrates through the vertical partition plate (4) and is communicated with a hydraulic sleeve (58), the hydraulic sleeve (58) is fixedly installed on the rear wall of the vertical partition plate (4), the driving piston (59) is installed in the hydraulic sleeve (58) in a sliding mode, the other end of the driving piston (59) is connected with the telescopic end of the air cylinder (510), and the other end of the air cylinder (510) extends to the outer cavity of the hydraulic sleeve (58) and is installed on the top wall of the base box (1).
5. The spraying device for machining the C-shaped steel member according to claim 1, wherein: be equipped with feed supplement mouth and level gauge on the roof of paint box (611), and install case lid (612) on the feed supplement mouth, the sense terminal of level gauge extends to in the inner chamber of paint box (611).
6. The spraying device for machining the C-shaped steel member according to claim 1, wherein: install control panel (3) on the antetheca of base case (1), and be equipped with display screen and control button on control panel (3), control panel (3) embeds there is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352261.5U CN215197729U (en) | 2021-02-05 | 2021-02-05 | Spraying device is used in processing of C shape steel component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352261.5U CN215197729U (en) | 2021-02-05 | 2021-02-05 | Spraying device is used in processing of C shape steel component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215197729U true CN215197729U (en) | 2021-12-17 |
Family
ID=79440156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120352261.5U Active CN215197729U (en) | 2021-02-05 | 2021-02-05 | Spraying device is used in processing of C shape steel component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215197729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071852A (en) * | 2023-09-12 | 2023-11-17 | 辽宁鑫兴阿特彩科技有限公司 | Real mineral varnish spraying device of outer wall |
-
2021
- 2021-02-05 CN CN202120352261.5U patent/CN215197729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071852A (en) * | 2023-09-12 | 2023-11-17 | 辽宁鑫兴阿特彩科技有限公司 | Real mineral varnish spraying device of outer wall |
| CN117071852B (en) * | 2023-09-12 | 2024-03-05 | 辽宁鑫兴阿特彩科技有限公司 | Real mineral varnish spraying device of outer wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215197729U (en) | Spraying device is used in processing of C shape steel component | |
| CN112024195B (en) | Spraying device for finish machining of aluminum profiles | |
| CN113530047B (en) | Curtain wall and construction method thereof | |
| CN202313140U (en) | Automatic cleaning device for glass curtain walls | |
| CN213696756U (en) | Cleaning water circulating device of curtain wall cleaning robot | |
| CN211718076U (en) | Building engineering wall quality detection device | |
| CN219559131U (en) | Dust device with adjustable house construction is with | |
| CN211155595U (en) | Building curtain wall cleaning device | |
| CN108642505B (en) | Belt cleaning device is used in processing of leaf spring guide holder for car | |
| CN211488785U (en) | Cleaning device for machining steel skeleton | |
| CN215612565U (en) | Intelligent control's door and window curtain spraying device | |
| CN212053642U (en) | Curtain is with quick mopping device | |
| CN215043236U (en) | Novel negative pressure foot type wall-climbing robot | |
| CN214995659U (en) | Automatic spraying vehicle for coating outer wall of high-rise building | |
| CN110284179B (en) | Electroplating treatment mechanism for automobile ornaments | |
| CN212120955U (en) | Intelligent cleaning vehicle for heliostats of solar photothermal power station | |
| CN110513997B (en) | Workpiece surface liquid blow-drying device | |
| CN210210010U (en) | Grinding fluid treatment device of grinding machine | |
| CN210560665U (en) | Hot galvanizing drying device for wear-resistant and corrosion-resistant metal product | |
| CN210146322U (en) | Paint spraying apparatus is used in new energy automobile manufacturing | |
| CN219089075U (en) | Directional intelligent cleaning device of visual glass curtain wall | |
| CN219483525U (en) | Cleaning robot for edible fungus planting bed | |
| CN221515384U (en) | Automatic change washing spray set | |
| CN213762553U (en) | Spray room | |
| CN215553059U (en) | Concrete mixer truck belt cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |