CN111515171A - Gate belt cleaning device for hydraulic engineering - Google Patents
Gate belt cleaning device for hydraulic engineering Download PDFInfo
- Publication number
- CN111515171A CN111515171A CN202010431090.5A CN202010431090A CN111515171A CN 111515171 A CN111515171 A CN 111515171A CN 202010431090 A CN202010431090 A CN 202010431090A CN 111515171 A CN111515171 A CN 111515171A
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- Prior art keywords
- cleaning
- rotating
- shaft
- cleaning device
- gate
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 98
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000005406 washing Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
Abstract
The invention relates to the technical field of hydraulic engineering and discloses a gate cleaning device for hydraulic engineering, which comprises a cleaning plate, wherein support frames are arranged on two sides of the upper end of the cleaning plate, a rotating shaft is arranged between the top ends of the support frames, a rotating cylinder is arranged in the middle of the rotating shaft, a rotating groove is formed in the outer side of the rotating cylinder, a rotating block is arranged in the rotating groove, a limiting mechanism is arranged at the lower end of the rotating block through a moving rod, the limiting mechanism is connected to a limiting groove formed in the middle of the cleaning plate in a sliding mode, a gear box is arranged at the lower end of the limiting mechanism, a rotating gear is arranged in the gear box, a rack is meshed with the outer side of the rotating gear, a cleaning. According to the invention, on one hand, the cleaning shaft can rotate through the meshing of the rotary gear and the rack, on the other hand, the cleaning shaft can move left and right, and the cleaning shaft with a hollow structure is matched with the cleaning box, so that the cleaning shaft can spray cleaning liquid.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a gate cleaning device for hydraulic engineering.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.
The trend of water potential is often changed through a water conservancy gate in water conservancy engineering, the gate is soaked in water for a long time, silt, algae and the like in water are extremely easily attached to the surface of the gate, and if the water is not cleaned in time, stains on the surface of the gate are extremely easy to corrode the surface of the gate, so that the service life of the gate is shortened, and the gate is cleaned. Chinese patent (publication No. CN 210121579U) discloses a gate cleaning device for hydraulic engineering, which comprises a cross beam, wherein a vertical beam chute is formed in the outer wall of one side of the cross beam, a vertical beam is slidably connected to the inner wall of the vertical beam chute, a slide rod chute is formed in the outer wall of one side of the vertical beam, a slide rod is slidably connected to the inner wall of the slide rod chute, a driving box is welded to one end of the slide rod, a waterproof cover is fixed to the inner wall of one side of the driving box, a driving motor is fixed to the inner wall of the waterproof cover, and a winding wheel is connected to the output shaft of the driving motor through a key.
Disclosure of Invention
The invention aims to provide a gate cleaning device for hydraulic engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a gate cleaning device for hydraulic engineering comprises a cleaning plate, supporting frames are arranged on two sides of the upper end of the cleaning plate, a rotating shaft is arranged between the top ends of the supporting frames, a rotating cylinder is arranged in the middle of the rotating shaft, a rotating groove is formed in the outer side of the rotating cylinder, a rotating block is arranged in the rotating groove, a limiting mechanism is arranged at the lower end of the rotating block through a moving rod and is connected with a limiting groove in the middle of the cleaning plate in a sliding manner, the lower end of the limiting mechanism is provided with a gear box, a rotating gear is arranged in the gear box, the outer side of the rotating gear is engaged with a rack, the middle part of the rotary gear is provided with a cleaning shaft, the lower end of the cleaning shaft passes through a cleaning box arranged at the lower end of the gear box, the outer side of the cleaning shaft is provided with a plurality of cleaning brushes, the interior of the cleaning shaft is of a hollow structure, and the outer wall of the cleaning shaft positioned inside the cleaning box is provided with a water inlet hole, and the outer wall of the cleaning shaft positioned outside the cleaning box is provided with a plurality of water spraying holes.
As a further scheme of the invention: fixed groove blocks are installed at two ends of the cleaning plate, a clamping shaft is arranged in the middle of each fixed groove block, a clamping plate is installed at one end of the inner side of the clamping shaft, a rotating disc is installed at one end of the outer side of the clamping shaft, and a rotating handle is installed on the outer side of the rotating disc.
As a further scheme of the invention: the limiting mechanism comprises a limiting column, an upper guide block is installed at the top end of the limiting column, a lower guide block is installed at the bottom end of the limiting column, and pulleys are respectively arranged at the four corners of the upper end of the upper guide block and the lower end of the upper guide block.
As a further scheme of the invention: the middle part of the cleaning plate is also provided with a sliding chute matched with the pulley.
As a further scheme of the invention: the left end of the rotating shaft is provided with a rotating motor, and the rotating motor is fixed on the left side of the supporting frame.
As a further scheme of the invention: the limiting groove is of a through groove structure, and the sliding groove is of a sink groove structure.
As a further scheme of the invention: the inside inlet tube that still communicates of washing incasement portion, the inlet tube intercommunication has the intake pump.
As a further scheme of the invention: the clamping shaft is of a threaded rod structure.
As a further scheme of the invention: the two ends of the rack are fixed on the two sides of the lower end of the cleaning plate through the mounting rack.
As a still further scheme of the invention: the top end of the cleaning shaft is fixed at the top end inside the gear box through a bearing seat.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a gate belt cleaning device for hydraulic engineering, rational in infrastructure, and novel in design, mutually support between rotary tank and the rotatory piece through being equipped with, stop gear has been realized controlling, on the one hand make through the meshing of rotary gear and rack wash the axle and can rotate, on the other hand can also make to wash the axle and control, greatly increased washs the washing area and the cleaning efficiency of axle, and set up hollow structure's washing axle and wash the cooperation of case, make and wash the axle and can spout the washing liquid, further increased the cleaning performance, therefore, the clothes hanger is strong in practicability, and high reliability.
Drawings
Fig. 1 is a schematic structural diagram of a gate cleaning device for hydraulic engineering.
Fig. 2 is a schematic diagram of the internal structures of a gear box and a cleaning box in the gate cleaning device for hydraulic engineering.
Fig. 3 is a schematic structural diagram of a limiting mechanism in a gate cleaning device for hydraulic engineering.
Fig. 4 is a schematic top perspective view of a cleaning plate in the gate cleaning device for hydraulic engineering.
Fig. 5 is a schematic bottom perspective view of a cleaning plate in the gate cleaning device for hydraulic engineering.
In the figure: 1-mounting frame, 2-fixed groove block, 3-rotating disc, 4-clamping shaft, 5-rotating handle, 6-cleaning plate, 7-rotating cylinder, 8-rotating groove, 9-rotating block, 10-supporting frame, 11-rotating motor, 12-rotating shaft, 13-moving rod, 14-limiting groove, 15-limiting mechanism, 151-limiting column, 152-upper guide block, 153-lower guide block, 154-pulley, 16-rack, 17-gear box, 18-cleaning box, 19-water inlet pipe, 20-cleaning shaft, 21-water spray hole, 22-cleaning brush, 23-rotating gear, 24-water inlet hole, 25-sliding groove and 26-clamping plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 5, in the embodiment of the invention, a gate cleaning device for hydraulic engineering comprises a cleaning plate 6, wherein fixed groove blocks 2 are installed at two ends of the cleaning plate 6, a clamping shaft 4 is arranged in the middle of the fixed groove blocks 2, the clamping shaft 4 is of a threaded rod structure, a clamping plate 26 is installed at one end inside the clamping shaft 4, a rotating disc 3 is installed at one end outside the clamping shaft 4, a rotating handle 5 is installed at the outer side of the rotating disc 3, the rotating disc 3 rotates through rotation of the rotating handle 5, rotation of the clamping shaft 4 is ensured, so that the clamping plate 26 performs a fixed clamping action on a gate to be cleaned, clamping and fixing of the whole device are ensured, support frames 10 are installed at two sides of the upper end of the cleaning plate 6, a rotating shaft 12 is installed between the top ends of the support frames 10, a rotating motor 11 is installed at the left end of the rotating shaft 12 and used, the rotary shaft 12 mid-mounting rotary drum 7, the rotary tank 7 outside is equipped with the rotary trough 8, the inside rotatory piece 9 that is provided with of rotary trough 8, rotatory piece 9 slides along the inside of rotary trough 8, simultaneously through stop gear 15's effect with the rotary motion of rotatory piece 9 transform into gear box 17 left and right linear motion, stop gear 15 is installed through the carriage release lever 13 to rotatory piece 9 lower extreme, stop gear 15 lower extreme installation gear box 17, gear box 17 inside is provided with rotary gear 23, rotary gear 23 outside meshing has rack 16 to convert gear box 17's left and right linear motion into rotary gear 23's clockwise and anticlockwise rotation effect, rack 16 both ends are fixed in cleaning plate 6 lower extreme both sides through mounting bracket 1, rotary gear 23 mid-mounting washs axle 20, wash 20 top of axle is fixed in gear box 17 inside top through the bearing frame, thereby carry out spacing rotation to wasing the axle 20 top, wash 20 lower extremes of axle and pass the washing case 18 and the outside that set up at the gear box 17 lower extreme and be provided with a plurality of washing brushes 22 for wash the spot in the gate outside, wash axle 20 inside and be hollow structure to ensure that the washing liquid circulates in wasing 20 inside, wash 18 inside still intercommunication of case has inlet tube 19, and inlet tube 19 intercommunication has the intake pump, and is located and washs 20 outer walls of 18 inside and be equipped with inlet opening 24, has ensured to wash case 18 toward wasing 20 inside injection washing liquids of axle, is located and washs 20 outer walls of the washing axle in 18 outside and is provided with a plurality of hole for water sprayings 21 for ensure the discharge of washing liquid.
Example 2
In another embodiment of the invention, the gate cleaning device for hydraulic engineering comprises a cleaning plate 6, a sliding groove 25 matched with a pulley 154 is further arranged in the middle of the cleaning plate 6, fixed groove blocks 2 are arranged at two ends of the cleaning plate 6, a clamping shaft 4 is arranged in the middle of each fixed groove block 2, the clamping shaft 4 is of a threaded rod structure, a clamping plate 26 is arranged at one end of the inner side of the clamping shaft 4, a rotating disc 3 is arranged at one end of the outer side of the clamping shaft 4, a rotating handle 5 is arranged at the outer side of the rotating disc 3, supporting frames 10 are arranged at two sides of the upper end of the cleaning plate 6, a rotating shaft 12 is arranged between the top ends of the supporting frames 10, a rotating motor 11 is arranged at the left end of the rotating shaft 12, the rotating motor 11 is fixed at the outer side of the supporting frame 10 on the left side, a rotating cylinder 7 is arranged in the middle of the rotating shaft 12, the lower end of the limiting mechanism 15 is provided with a gear box 17, a rotating gear 23 is arranged in the gear box 17, a rack 16 is meshed with the outer side of the rotating gear 23, two ends of the rack 16 are fixed on two sides of the lower end of the cleaning plate 6 through a mounting rack 1, a cleaning shaft 20 is arranged in the middle of the rotating gear 23, the top end of the cleaning shaft 20 is fixed on the top end of the gear box 17 through a bearing seat, the lower end of the cleaning shaft 20 penetrates through a cleaning box 18 arranged at the lower end of the gear box 17, a plurality of cleaning brushes 22 are arranged on the outer side of the cleaning box 18, the cleaning box 18 is internally provided with a water inlet pipe 19, the water inlet pipe 19 is communicated with a water inlet pump, a water inlet hole 24 is arranged on the outer wall of the cleaning shaft 20 arranged in the cleaning box 18, a plurality of water spray holes 21 are arranged on the outer wall of the, guide block 152 is installed on spacing post 151 top, and guide block 153 under spacing post 151 bottom installation, it is provided with pulley 154 respectively with last guide block 152 upper end four corners position to go up guide block 152 lower extreme, wash 6 middle parts still be provided with pulley 154 mutually supported's spout 25, stop gear 15 sliding connection in establish the spacing groove 14 at wash 6 middle parts, spacing groove 14 is logical groove structure, and spout 25 is heavy groove structure, and removes about the realization that makes whole stop gear 15 can be even orderly through setting up guide block 152 and lower guide block 153, has further increased the reliability of device.
In the invention, when the device works, the whole device is fixed on a required water gate through the fixed groove block 2, the rotating motor 11 is started at the same time, the rotating motor 11 drives the rotating cylinder 7 to rotate, the whole gear box 17 swings left and right along the rack 16 under the action of the rotating groove 8 and the rotating block 9 and the limit of the limiting mechanism 15, on the other hand, the rotating gear 23 is meshed with the rack 16, the rotating shaft 20 also rotates clockwise and anticlockwise in a reciprocating manner while moving left and right, and the cleaning liquid is sprayed out from the water spray holes 24 to clean the gate. The invention has reasonable structure and novel design, realizes the left and right movement of the limiting mechanism 15 through the mutual matching between the rotating groove 8 and the rotating block 9, on one hand, the cleaning shaft can rotate through the meshing of the rotating gear 23 and the rack 16, on the other hand, the cleaning shaft 20 can move left and right, thereby greatly increasing the cleaning area and the cleaning efficiency of the cleaning shaft 20, and the cleaning shaft 20 with a hollow structure is matched with the cleaning box 17, so that the cleaning shaft 20 can spray cleaning liquid, thereby further increasing the cleaning effect, and the invention has strong practicability and high reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a gate belt cleaning device for hydraulic engineering, includes cleaning plate (6), cleaning plate (6) upper end both sides erection bracing frame (10), installation rotation axis (12) between support frame (10) top, a serial communication port, rotation axis (12) mid-mounting revolving drum (7), the revolving drum (7) outside is equipped with swivelling chute (8), inside swivel chute (8) is provided with rotatory piece (9), stop gear (15) are installed through carriage release lever (13) to rotatory piece (9) lower extreme, stop gear (15) sliding connection is in establishing spacing groove (14) at cleaning plate (6) middle part, stop gear (15) lower extreme installation gear box (17), gear box (17) inside is provided with rotary gear (23), meshing has rack (16) in rotary gear (23) outside, rotary gear (23) mid-mounting washs axle (20), washs axle (20) lower extreme and passes and sets up washing case (18) and the outside of gear box (17) lower extreme and is provided with rotary gear (23) The washing device comprises a plurality of washing brushes (22), wherein the inside of a washing shaft (20) is of a hollow structure, the outer wall of the washing shaft (20) located inside a washing box (18) is provided with a water inlet hole (24), and the outer wall of the washing shaft (20) located outside the washing box (18) is provided with a plurality of water spray holes (21).
2. The gate cleaning device for the water conservancy project according to claim 1, wherein the two ends of the cleaning plate (6) are provided with fixed groove blocks (2), the middle part of each fixed groove block (2) is provided with a clamping shaft (4), one end of the inner side of each clamping shaft (4) is provided with a clamping plate (26), one end of the outer side of each clamping shaft (4) is provided with a rotating disc (3), and the outer side of each rotating disc (3) is provided with a rotating handle (5).
3. The gate cleaning device for the water conservancy project according to claim 1, wherein the limiting mechanism (15) comprises a limiting column (151), an upper guide block (152) is installed at the top end of the limiting column (151), a lower guide block (153) is installed at the bottom end of the limiting column (151), and pulleys (154) are respectively arranged at the lower end of the upper guide block (152) and four corners of the upper end of the upper guide block (152).
4. A sluice cleaning device for water conservancy projects according to claim 3, wherein a sliding chute (25) matched with the pulley (154) is further arranged in the middle of the cleaning plate (6).
5. The gate cleaning device for the water conservancy project according to claim 1, characterized in that a rotating motor (11) is installed at the left end of the rotating shaft (12), and the rotating motor (11) is fixed on the outer side of the supporting frame (10) at the left side.
6. The gate cleaning device for the water conservancy project according to claim 4, wherein the limiting groove (14) is a through groove structure, and the sliding groove (25) is a sinking groove structure.
7. The gate cleaning device for the water conservancy project according to claim 1 or 6, characterized in that the inside of the cleaning tank (18) is also communicated with a water inlet pipe (19), and the water inlet pipe (19) is communicated with a water inlet pump.
8. A sluice cleaning device for water conservancy projects according to claim 2, wherein the clamping shaft (4) is of a threaded rod structure.
9. The gate cleaning device for the water conservancy project according to claim 1 or 5, characterized in that two ends of the rack (16) are fixed on two sides of the lower end of the cleaning plate (6) through a mounting frame (1).
10. The gate cleaning device for the water conservancy project according to claim 1, characterized in that the top end of the cleaning shaft (20) is fixed at the top end of the inside of the gear box (17) through a bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431090.5A CN111515171B (en) | 2020-05-20 | 2020-05-20 | Gate belt cleaning device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431090.5A CN111515171B (en) | 2020-05-20 | 2020-05-20 | Gate belt cleaning device for hydraulic engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111515171A true CN111515171A (en) | 2020-08-11 |
| CN111515171B CN111515171B (en) | 2021-07-30 |
Family
ID=71907953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010431090.5A Expired - Fee Related CN111515171B (en) | 2020-05-20 | 2020-05-20 | Gate belt cleaning device for hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111515171B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157051A (en) * | 2020-11-05 | 2021-01-01 | 安徽索立德铸业有限公司 | All-round belt cleaning device of casting part for water pump production |
| CN112495877A (en) * | 2020-11-10 | 2021-03-16 | 潍坊科技学院 | Mechanical electronic component cleaning device |
| CN112705500A (en) * | 2020-12-12 | 2021-04-27 | 江苏省苏中建设集团股份有限公司 | Wall brushing machine for underground wall |
| CN115488115A (en) * | 2022-09-09 | 2022-12-20 | 南通华东油压科技有限公司 | Hydraulic multi-way valve cleaning device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060096047A1 (en) * | 2004-11-08 | 2006-05-11 | Kostigian John V | Gymnasium floor covering storage and cleaning roller |
| CN111014123A (en) * | 2019-11-22 | 2020-04-17 | 亢慧慧 | Corrugated sheet cleaning device for corrugated oil tank |
| CN210358203U (en) * | 2019-08-02 | 2020-04-21 | 扬州润盈机械有限公司 | Auto-parts belt cleaning device |
| CN210459134U (en) * | 2019-02-22 | 2020-05-05 | 郑州大学 | Automatic cleaning device for hydraulic gate |
-
2020
- 2020-05-20 CN CN202010431090.5A patent/CN111515171B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060096047A1 (en) * | 2004-11-08 | 2006-05-11 | Kostigian John V | Gymnasium floor covering storage and cleaning roller |
| CN210459134U (en) * | 2019-02-22 | 2020-05-05 | 郑州大学 | Automatic cleaning device for hydraulic gate |
| CN210358203U (en) * | 2019-08-02 | 2020-04-21 | 扬州润盈机械有限公司 | Auto-parts belt cleaning device |
| CN111014123A (en) * | 2019-11-22 | 2020-04-17 | 亢慧慧 | Corrugated sheet cleaning device for corrugated oil tank |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157051A (en) * | 2020-11-05 | 2021-01-01 | 安徽索立德铸业有限公司 | All-round belt cleaning device of casting part for water pump production |
| CN112495877A (en) * | 2020-11-10 | 2021-03-16 | 潍坊科技学院 | Mechanical electronic component cleaning device |
| CN112705500A (en) * | 2020-12-12 | 2021-04-27 | 江苏省苏中建设集团股份有限公司 | Wall brushing machine for underground wall |
| CN112705500B (en) * | 2020-12-12 | 2022-03-01 | 江苏省苏中建设集团股份有限公司 | Wall brushing machine for underground wall |
| CN115488115A (en) * | 2022-09-09 | 2022-12-20 | 南通华东油压科技有限公司 | Hydraulic multi-way valve cleaning device |
| CN115488115B (en) * | 2022-09-09 | 2023-06-09 | 南通华东油压科技有限公司 | Hydraulic multi-way valve cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111515171B (en) | 2021-07-30 |
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