CN221159558U - Greasy dirt cooling recovery device of digit control machine tool - Google Patents
Greasy dirt cooling recovery device of digit control machine tool Download PDFInfo
- Publication number
- CN221159558U CN221159558U CN202322956129.7U CN202322956129U CN221159558U CN 221159558 U CN221159558 U CN 221159558U CN 202322956129 U CN202322956129 U CN 202322956129U CN 221159558 U CN221159558 U CN 221159558U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- control machine
- machine tool
- storage tank
- liquid storage
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 18
- 238000004064 recycling Methods 0.000 abstract description 9
- 239000000110 cooling liquid Substances 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 8
- 238000004062 sedimentation Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000002156 mixing Methods 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
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model provides an oil stain cooling and recycling device of a numerical control machine tool, and relates to the technical field of numerical control machine tools. This greasy dirt cooling recovery unit of digit control machine tool, including the liquid reserve tank, the liquid reserve tank top is equipped with the roof, two connecting plates of roof bottom fixedly connected with, two springs of inside fixedly connected with of connecting plate, spring one end fixedly connected with fixture block, fixture block one side fixedly connected with connecting rod, the connecting plate bottom is equipped with the gauze board, gauze board top fixedly connected with connecting block. This greasy dirt cooling recovery unit of digit control machine tool, waste material after filtering deposits on the gauze board, and when needs clearance, starts positive and negative motor, drives the roof through lifting unit and rises, makes gauze board rise, can clear up high baffle and low baffle on the way that gauze board rises, after gauze board rises certain position, pulls the peg, drives two fixture blocks and rises, hangs the peg on the string piece, takes out the connecting block to can dismantle the gauze board and clear up.
Description
Technical Field
The utility model relates to a recovery device of a numerical control machine tool, in particular to an oil stain cooling recovery device of the numerical control machine tool, and belongs to the technical field of the numerical control machine tool.
Background
In the machining process of the numerical control machine tool, a large amount of cooling liquid is needed due to the fact that continuous flushing is needed for cooling in the machining process, so that the machining cost is increased easily, and a large amount of cooling liquid is wasted. In the cooling and flushing process, a part of waste is taken away, a mixture of the formed substance and the liquid is discharged, separation is not carried out, waste is increased due to the fact that the waste takes away some cooling liquid, and meanwhile long-time mixing is not beneficial to separation; the used cooling liquid cannot be recovered without separation.
The oil stain cooling and recycling device for the numerical control machine tool with the publication number of CN202822997U mainly comprises a liquid storage tank, wherein the liquid storage tank is internally divided into a high sedimentation bin, a medium sedimentation bin and a low sedimentation bin by two high partition plates and low partition plates which are arranged in parallel; the upper ends of the high partition plate and the low partition plate are provided with meshes, and the mesh diameter of the low partition plate is smaller than Gao Geban meshes; the top plate of the liquid storage tank is provided with openings corresponding to the high sedimentation bin and the low sedimentation bin, a concave filtering device is arranged at the opening on the high sedimentation bin, and gaps are reserved between the high partition plate and the top plate; a sewage disposal device is arranged at the bottom of the high sedimentation bin; the low sedimentation bin is provided with a suction pipe fixing port.
In the scheme, although the repeated recycling of the cooling liquid is realized through twice precipitation and three times of filtration and cooling, in the process of twice precipitation and three times of filtration and cooling, the high partition plate and the low partition plate are lack to be cleaned, the waste is easy to block, and the waste precipitated at the bottom of the high precipitation bin is discharged through the sewage discharging device, the waste can carry a small amount of cooling liquid to be discharged, so that the recycling efficiency is low, and the device for discharging the waste at the bottom is not arranged in the middle precipitation bin.
Disclosure of utility model
(One) solving the technical problems
The utility model aims to solve the problems that in the prior art, in the process of twice precipitation and three times filtration and cooling, the high partition plates and the low partition plates are lack to be cleaned, the waste materials precipitated at the bottom of the high precipitation bin are easy to be blocked, the waste materials are discharged through a sewage discharging device, the waste materials can carry a small amount of cooling liquid to be discharged, the recycling efficiency is low, and a device for discharging the waste materials at the bottom is not arranged in the middle precipitation bin.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a greasy dirt cooling recovery unit of digit control machine tool, includes the liquid reserve tank, the liquid reserve tank top is equipped with the roof, two connecting plates of roof bottom fixedly connected with, two springs of connecting plate inside fixedly connected with, spring one end fixedly connected with fixture block, fixture block one side fixedly connected with connecting rod, the connecting plate bottom is equipped with the gauze board, gauze board top fixedly connected with connecting block, the liquid reserve tank outside is equipped with lifting assembly.
Preferably, the tank bottom fixedly connected with supporting seat, the inside fixedly connected with high baffle of tank, the inside fixedly connected with low baffle of tank, the inboard fixedly connected with straw fixed orifices of tank, the roof top is equipped with concave filter equipment, the mounting groove has been seted up at the roof top, concave filter equipment sets up in the mounting groove and contacts with the roof.
Preferably, two first sliding grooves are formed in the connecting plate, two springs and two clamping blocks are respectively placed in the first sliding grooves, two clamping blocks are in sliding contact with the connecting plate, second sliding grooves are formed in two sides of the connecting plate, one end of each connecting rod penetrates through the second sliding grooves and is in sliding contact with the connecting plate, the second sliding grooves are respectively communicated with the first sliding grooves, two Z-shaped plates are fixedly connected to the outer sides of the connecting rods, hanging rods are rotatably connected between the two Z-shaped plates, hanging blocks are fixedly connected to the outer sides of the connecting plates, a placing groove is formed in the connecting plate, the first sliding grooves are communicated with the placing groove, the connecting blocks are arranged in the placing groove and are in contact with the two clamping blocks, and the clamping blocks are arranged to limit and fix the connecting blocks.
Preferably, the lifting assembly comprises two rotating rods, the outer sides of the rotating rods are all rotationally connected with frames, the frames are all fixedly connected with a supporting seat and a liquid storage tank, the outer sides of the rotating rods are fixedly connected with chain wheels, the chain wheels are connected through chain transmission, one of the chain wheels is fixedly connected with a positive motor and a negative motor, the output end of the positive motor is fixedly connected with one of the rotating rods, and the chain wheels are arranged so that the two rotating rods rotate simultaneously.
Preferably, the lifting assembly further comprises two gears, the two gears are respectively arranged inside the two frames, and the two gears are respectively fixedly connected to the outer sides of the two rotating rods.
Preferably, two the rack is all engaged and connected with in the gear outside, rack one side fixedly connected with cross board, square groove has been seted up in the frame outside, roof one end extends to square groove inside and with rack fixed connection, two cross groove one has all been seted up to frame inside one side, square groove communicates with each other with cross groove one, the cross board sets up in cross groove one inside and with frame sliding contact, and cross groove one pair of rack plays spacing effect.
Preferably, cross blocks are fixedly connected to two sides of the top plate, cross grooves II are formed in two sides of the square groove, the two cross blocks are respectively placed inside the two cross grooves II and are in sliding contact with the frame, and the cross grooves II have a limiting effect on the top plate.
The utility model provides an oil stain cooling and recycling device of a numerical control machine tool, which has the following beneficial effects:
1. This greasy dirt cooling recovery unit of digit control machine tool, waste material after filtering deposits on the gauze board, when needing the clearance, start positive and negative motor, drive the roof through lifting unit and rise, make the gauze board rise, can clear up high baffle and low baffle on the way that the gauze board rises, after the gauze board rises certain position, the pulling peg, drive two fixture blocks and rise, hang the peg on the string piece, take out the connecting block, thereby can dismantle the gauze board and clear up this device not only can clear up high baffle and low baffle, can also clear up the waste material that deposits in the liquid reserve tank wholly, also can increase coolant liquid recycle's efficiency.
2. This digit control machine tool's greasy dirt cooling recovery unit to lifting unit, to the positive and negative motor of start, positive and negative motor output drives one of them dwang forward rotation, thereby drive one of them sprocket rotation, thereby rotate simultaneously through chain drive connection between two sprockets, thereby drive another dwang rotation, thereby drive two gears and rotate simultaneously, thereby two racks are through linking with two gear engagement respectively thereby rising, thereby drive the roof and rise, thereby drive two connecting plates and rise, drive two gauze boards through two connecting blocks and rise, the clearance is finished the back and is reverse to start positive and negative motor, make two gauze boards descend, this subassembly can adjust the height of gauze board, so that gauze board takes out the clearance.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a lifting assembly according to the present utility model;
FIG. 3 is a schematic view of a gauze element structure of the present utility model;
FIG. 4 is a schematic diagram of a placement tank according to the present utility model;
Fig. 5 is a schematic diagram of a latch structure according to the present utility model.
[ Main reference numerals Specification ]
1. A support base; 2. a liquid storage tank; 3. a frame; 4. a top plate; 5. a high separator; 6. a low separator; 7. a straw fixing port; 8. a concave filtering device; 9. a connecting plate; 10. a screen plate; 11. a rotating lever; 12. a sprocket; 13. a gear; 14. a rack; 15. a cross plate; 16. a cross block; 17. a connecting block; 18. a clamping block; 19. a connecting rod; 20. a Z-shaped plate; 21. a hanging rod; 22. a spring; 23. hanging blocks; 24. and (5) placing a groove.
Detailed Description
The embodiment of the utility model provides an oil stain cooling and recycling device of a numerical control machine tool.
Referring to fig. 1, fig. 3, fig. 4 and fig. 5, including liquid storage tank 2, liquid storage tank 2 top is equipped with roof 4, roof 4 bottom fixedly connected with two connecting plates 9, two springs 22 of inside fixedly connected with of connecting plate 9, spring 22 one end fixedly connected with fixture block 18, fixture block 18 one side fixedly connected with connecting rod 19, the connecting plate 9 bottom is equipped with gauze board 10, gauze board 10 top fixedly connected with connecting block 17, liquid storage tank 2 outside is equipped with lifting assembly, liquid storage tank 2 bottom fixedly connected with supporting seat 1, liquid storage tank 2 inside fixedly connected with high baffle 5, liquid storage tank 2 inside fixedly connected with low baffle 6, liquid storage tank 2 inboard fixedly connected with straw fixed orifices 7, roof 4 top is equipped with concave filter equipment 8, the mounting groove has been seted up at roof 4 top, concave filter equipment 8 sets up in the mounting groove and contacts with roof 4, two spouts one have been seted up to connecting plate 9 inside, two springs 22 and two fixture blocks 18 are placed respectively in two spouts one inside, two fixture block 18 all slide contact with connecting plate 9, spout two connecting plates 9 both sides have all been seted up spout two, two connecting rods 19 one end respectively pass spout two and two connecting plates 19 respectively and are connected with two connecting plate 9 two connecting plates 20, two connecting plates 20 are connected with two connecting plates 20 in a Z fixedly to the inside, two connecting plate 20, two connecting plates are connected with two connecting plates 20, two connecting plates 20 are connected with two inside and two connecting plates 20, two connecting plates 20 are connected with Z fixedly to one.
Specifically, the technology of the concave filtering device 8, the liquid storage tank 2, the high partition board 5, the low partition board 6 and the suction pipe fixing port 7 can be adopted for the technology of the oil stain cooling recovery device for the numerical control machine tool with the publication number CN202822997U, the technology of the oil stain cooling recovery device for the numerical control machine tool with the publication number CN202822997U can be adopted for the technology of carrying out twice precipitation and three times filtering and cooling on the cooling liquid, and the recycling of the filtered cooling liquid can be realized.
And the waste material after filtering deposits respectively on two gauze plates 10, when the waste material after the sediment clearance, only need start positive and negative motor, it rises (to lifting unit follow-up can further describe) to drive roof 4 through lifting unit, it rises to drive two gauze plates 10 respectively through two connecting plates 9, gauze plate 10 can clear up high baffle 5 and low baffle 6 in the way of rising, after two gauze plates 10 rise certain position, pull two peg 21 respectively, drive two Z shaped plates 20 upward movement through peg 21, it rises to drive two fixture blocks 18 through two Z shaped plates 20 and two connecting rods 19, hang peg 21 on hanging piece 23, just can take out connecting block 17 at this moment, connecting block 17 and gauze plate 10 fixed connection, thereby can dismantle gauze plate 10 and clear up, when the clearance is finished, put into standing groove 24 with connecting block 17, take off peg 21 from hanging piece 23, thereby fix connecting block 17, thereby connect connecting plate 9 and gauze plate 10, this device can not carry out the clearance with low baffle 5 and can also be fully cooled down to the baffle that can not be fully cooled down, can also be recycled to the waste material clearance box.
Referring to fig. 1 and 2 again, the lifting assembly comprises two rotating rods 11, the outer sides of the two rotating rods 11 are all rotationally connected with a frame 3, the two frames 3 are all fixedly connected with a supporting seat 1 and a liquid storage tank 2, the outer sides of the two rotating rods 11 are all fixedly connected with chain wheels 12, the two chain wheels 12 are connected through chain transmission, the rear side of one frame 3 is fixedly connected with a positive and negative motor, the output end of the positive and negative motor is fixedly connected with one rotating rod 11, the lifting assembly further comprises two gears 13, the two gears 13 are respectively arranged inside the two frames 3, the two gears 13 are respectively fixedly connected with the outer sides of the two rotating rods 11, racks 14 are respectively meshed and connected with the outer sides of the two gears 13, one side of each rack 14 is fixedly connected with a cross plate 15, square grooves are formed in the outer sides of the frames 3, one end of a top plate 4 extends into the square grooves and is fixedly connected with the racks 14, one side of each square groove is respectively communicated with the corresponding square groove, the cross plate 15 is arranged inside the square groove and is in sliding contact with the frame 3, two sides of the top plate 4 are respectively fixedly connected with a cross block 16, and the two cross blocks 16 are respectively arranged on the two sides of the square grooves and are respectively in sliding contact with the two cross grooves 3.
Specifically, for the lifting assembly, the forward and reverse motor is started, the output end of the forward and reverse motor drives one of the rotating rods 11 to rotate forward, thereby driving one of the chain wheels 12 to rotate, the two chain wheels 12 are connected through chain transmission and rotate simultaneously, thereby driving the other rotating rod 11 to rotate, thereby driving the two gears 13 to rotate simultaneously, the two racks 14 are respectively meshed and linked with the two gears 13 to rise, thereby driving the top plate 4 to rise, thereby driving the two connecting plates 9 to rise, driving the two gauze plates 10 to rise through the two connecting blocks 17, and after cleaning, the forward and reverse motor is reversely started, so that the two gauze plates 10 descend, and the assembly can adjust the height of the gauze plates, so that the gauze plates are taken out and cleaned.
Working principle: the lifting assembly drives the top plate 4 to lift and lower the gauze plate 10, when the gauze plate 10 rises to the top of the liquid storage tank 2, the high partition plate 5 and the low partition plate 6 can be cleaned during the rising, the hanging rod 21 is pulled to rise, the clamping block 18 is driven to rise, the hanging rod 21 is placed on the hanging block 23, the connecting block 17 is taken out from the placing groove 24 to be cleaned at the moment, the connecting block 17 is placed into the placing groove 24 again after the cleaning is completed, the hanging rod 21 is taken down from the hanging block 23, the clamping block 18 is lowered to limit and fix the connecting block 17 through the spring 22, the gauze plate 10 is lowered to the top end inside the liquid storage tank 2 to perform the next operation at the moment, the device can clean the high partition plate 5 and the low partition plate 6, waste materials precipitated in the liquid storage tank can be cleaned completely, and the recycling efficiency of cooling liquid can be increased.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Greasy dirt cooling recovery unit of digit control machine tool, including liquid reserve tank (2), its characterized in that: the utility model discloses a liquid storage tank, including liquid storage tank (2), connecting plate (9), connecting plate (4) bottom fixedly connected with two connecting plates (9), two springs (22) of connecting plate (9) inside fixedly connected with, spring (22) one end fixedly connected with fixture block (18), fixture block (18) one side fixedly connected with connecting rod (19), connecting plate (9) bottom is equipped with gauze board (10), gauze board (10) top fixedly connected with connecting block (17), the liquid storage tank (2) outside is equipped with lifting assembly.
2. The oil stain cooling and recovering device of the numerical control machine tool according to claim 1, wherein: the novel liquid storage tank comprises a liquid storage tank body and is characterized in that a supporting seat (1) is fixedly connected to the bottom of the liquid storage tank body, a high partition plate (5) is fixedly connected to the inside of the liquid storage tank body (2), a low partition plate (6) is fixedly connected to the inside of the liquid storage tank body, a suction pipe fixing opening (7) is fixedly connected to the inside of the liquid storage tank body (2), a concave filtering device (8) is arranged at the top of a top plate (4), a mounting groove is formed in the top of the top plate (4), and the concave filtering device (8) is arranged in the mounting groove and is in contact with the top plate (4).
3. The oil stain cooling and recovering device of the numerical control machine tool according to claim 1, wherein: two first sliding grooves are formed in the connecting plate (9), two springs (22) and two clamping blocks (18) are respectively placed in the first sliding grooves, two clamping blocks (18) are in sliding contact with the connecting plate (9), second sliding grooves are formed in two sides of the connecting plate (9), one end of each connecting rod (19) penetrates through the second sliding grooves and is in sliding contact with the connecting plate (9), two sliding grooves are respectively communicated with the first sliding grooves, Z-shaped plates (20) are fixedly connected to the outer sides of the connecting rods (19), hanging rods (21) are rotationally connected between the two Z-shaped plates (20), hanging blocks (23) are fixedly connected to the outer sides of the connecting plates (9), a placing groove (24) is formed in the inner side of the connecting plate (9), and the first sliding grooves are communicated with the placing groove (24), and the connecting blocks (17) are arranged in the placing groove (24) and are in contact with the two clamping blocks (18).
4. The oil stain cooling and recovering device of the numerical control machine tool according to claim 1, wherein: the lifting assembly comprises two rotating rods (11), wherein the two rotating rods (11) are connected with frames (3) in a rotating mode in the outer side, the two rotating rods (11) are fixedly connected with a supporting seat (1) and a liquid storage tank (2), the two rotating rods (11) are fixedly connected with chain wheels (12) in the outer side, the two chain wheels (12) are connected through chain transmission, one rotating rod is fixedly connected with a positive motor and a negative motor in the rear side of the frame (3), and the output end of the positive motor is fixedly connected with one rotating rod (11).
5. The oil stain cooling and recovering device of the numerical control machine tool according to claim 1, wherein: the lifting assembly further comprises two gears (13), the two gears (13) are respectively arranged inside the two frames (3), and the two gears (13) are respectively fixedly connected to the outer sides of the two rotating rods (11).
6. The oil stain cooling and recovering device of the numerical control machine tool according to claim 5, wherein: two the rack (14) are connected to the outside of the gear (13) in an engaged mode, a cross plate (15) is fixedly connected to one side of the rack (14), square grooves are formed in the outer side of the frame (3), one end of the top plate (4) extends into the square grooves and is fixedly connected with the rack (14), a cross groove I is formed in one side of the inner portion of the frame (3), the square grooves are communicated with the cross groove I, and the cross plate (15) is arranged in the cross groove I and is in sliding contact with the frame (3).
7. The oil stain cooling and recovering device of the numerical control machine tool according to claim 6, wherein: the cross blocks (16) are fixedly connected to the two sides of the top plate (4), the cross grooves II are formed in the two sides of the square groove, and the two cross blocks (16) are respectively placed in the two cross grooves II and are in sliding contact with the frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322956129.7U CN221159558U (en) | 2023-11-02 | 2023-11-02 | Greasy dirt cooling recovery device of digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322956129.7U CN221159558U (en) | 2023-11-02 | 2023-11-02 | Greasy dirt cooling recovery device of digit control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221159558U true CN221159558U (en) | 2024-06-18 |
Family
ID=91458066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322956129.7U Active CN221159558U (en) | 2023-11-02 | 2023-11-02 | Greasy dirt cooling recovery device of digit control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221159558U (en) |
-
2023
- 2023-11-02 CN CN202322956129.7U patent/CN221159558U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221159558U (en) | Greasy dirt cooling recovery device of digit control machine tool | |
| CN113426172A (en) | Energy-concerving and environment-protective waste water recovery processing apparatus that uses | |
| CN115922528A (en) | Auxiliary polishing and cleaning device for automobile flywheel gear ring | |
| CN212491870U (en) | Hyperfine net river water filtering purifier | |
| CN212451128U (en) | Plate-and-frame filter press for treating polluted bottom mud | |
| CN217247060U (en) | White water tank is used in AGM baffle production | |
| CN214813440U (en) | Water collecting structure of lower disc brush | |
| CN219260932U (en) | Automatic dirt blocking and cleaning device for hydropower station | |
| CN220295360U (en) | Wash abundant electroplated nickel water washing case | |
| CN212141711U (en) | Based on waste water recovery unit for water purifier | |
| CN220779268U (en) | Sewage draining device for water treatment | |
| CN215048877U (en) | Oil-liquid separation device for industrial wastewater treatment | |
| CN213645179U (en) | Full-automatic cleaning machine | |
| CN216149107U (en) | Waste oil classification recycling and purifying device | |
| CN219518015U (en) | Primary filter mechanism for ultrasonic catalytic oxidation wastewater treatment | |
| CN221045565U (en) | Sewage treatment recycling device | |
| CN220257481U (en) | Dust remover flue gas recycling device | |
| CN219355423U (en) | Filtering and recycling device | |
| CN221296302U (en) | Oily wastewater treatment device | |
| CN221332958U (en) | Sewage filtering and recycling equipment | |
| CN220513619U (en) | Sediment treatment device for filter tank | |
| CN211523136U (en) | A purify barrier for river course ecological dam | |
| CN220662490U (en) | Vehicle cleaning device | |
| CN211913005U (en) | Plate-frame type filter capable of preventing filtrate from dripping | |
| CN217437975U (en) | Biological pond for sewage treatment with dross collecting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |