CN112777239A - Multipurpose gearbox for conveyor belt - Google Patents
Multipurpose gearbox for conveyor belt Download PDFInfo
- Publication number
- CN112777239A CN112777239A CN202110060856.8A CN202110060856A CN112777239A CN 112777239 A CN112777239 A CN 112777239A CN 202110060856 A CN202110060856 A CN 202110060856A CN 112777239 A CN112777239 A CN 112777239A
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- movable
- dust collection
- extrusion
- block
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/26—Cleaning devices for gathering residue after cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The invention discloses a multipurpose transmission case for a conveyor belt, which is designed by the method, and can well clean and collect dust and impurities on the conveying surface of the conveyor belt in the variable speed regulation and control working process of the transmission belt by the transmission case, a dust collecting box, a roller, a cleaning brush, a cleaning roller and a movable scraper so as to realize the multifunctional use of the transmission case.
Description
Technical Field
The invention relates to the technical field of transmission belt transmission box equipment, in particular to a multipurpose transmission box for a transmission belt.
Background
The conveyor belt refers to a belt fabric mounted on a conveyor for conveying articles; generally divided into cotton, rubber, plastic belts; the cotton conveyor belt is typically a 4-ply plain weave; later, the conveyor belt conveyor is influenced by the technical progress of mechanical manufacturing, motors, chemical industry and metallurgical industry, is continuously improved, gradually develops from the completion of conveying inside a workshop to the completion of material handling inside an enterprise, between enterprises and even between cities, and becomes an indispensable component part of the mechanization and automation of a material handling system.
The running speed of the conveyor belt is controlled by the transmission gear in the process of conveying articles, the power mechanism is arranged at the end part of the conveyor belt, the basic structure of the transmission gear generally comprises a box body, a power part and a separated shaft which is arranged in the box body and corresponds to the power part, and a gear set, the use function of the gearbox in the prior art is too single, the actual requirement of the conveyor belt in the operation process cannot be met, dust and impurities can be accumulated on the conveyor belt for a long time, which can cause vehicle pollution to the conveyed goods and further influence the conveying work of the goods, the cleaning and maintenance of the conveyor belt needs to suspend the operation of the conveyor belt and then clean the conveyor belt by workers, which not only wastes labor force, but also influences the normal operation of conveying work, thereby reducing the economic efficiency of use thereof, and for this reason, the present invention proposes a multipurpose transmission for a conveyor belt for solving the above problems.
Disclosure of Invention
The present invention is directed to a multipurpose transmission for a conveyor belt, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a multipurpose transmission case for a conveyor belt comprises a transmission belt main body, a transmission case main body, a power motor, a connecting case body, a dust collecting box and a dust collecting locking mechanism;
the transmission belt main body is arranged on the support frame, one side of the transmission belt main body is connected with a gearbox main body, a power motor is arranged on the gearbox main body, one side of the gearbox main body is provided with a connecting box body, and one end of the connecting box body is connected with a dust collecting box;
a transmission gear set is arranged in the dust collection box, the transmission gear set is connected with one end of the connecting rotating shaft, and the other end of the connecting rotating shaft is provided with a roller;
the outer side wall of the roller is equidistantly provided with a fixed convex plate, a movable plate is movably arranged in the fixed convex plate, one end of the movable plate is equidistantly provided with a first extrusion spring, the other end of the movable plate is bonded with a cleaning brush, and a dust collecting groove is formed in the side position of the roller of the dust collecting box;
a supporting inclined plate is arranged at the side position of a notch of the dust collecting groove, a cleaning roller is movably arranged on the supporting inclined plate, a movable scraping piece is movably arranged in the supporting inclined plate, a second extrusion spring is arranged at one end of the movable scraping piece at equal intervals, and the other end of the second extrusion spring is arranged in the supporting inclined plate;
the dust collection locking mechanism is arranged in the dust collection box.
Preferably, the dust collection locking mechanism comprises a clamping groove, a round block, an extrusion lug, a movable handle, a locking round groove, a movable groove, a connecting rod, a supporting rod, a clamping block, a fixed disk, an auxiliary block, a first movable extrusion block, a locking clamping column, an extrusion chute and a second movable extrusion block, wherein the clamping groove is arranged at two sides of the dust collection groove, the bottom end of the dust collection groove is clamped with the dust collection box, the round block is movably arranged in the dust collection box, the extrusion lug is symmetrically arranged at two sides of the round block, the movable handle is arranged at one end of the round block and penetrates through the dust collection box, the locking round groove is arranged at one side of the movable handle, the auxiliary block is symmetrically arranged at the other end of the movable handle, the extrusion lug is movably arranged in the movable groove, the movable groove is arranged in the fixed lug, the fixed lug is arranged at one side of the connecting rod, the, the dust collection box is characterized in that clamping blocks are arranged on the supporting rods, a fixed disc is arranged on the side position of the movable handle on the dust collection box, a first movable extrusion block is movably arranged in the fixed disc, a locking clamping column is arranged at one end of the first movable extrusion block, an extrusion chute is arranged on one side of the first movable extrusion block, a first reset spring is arranged at the end, connected with the locking clamping column, of the first movable extrusion block, a second movable extrusion block is movably arranged on the side position of the extrusion chute, a protruding piece is arranged on one side of the second movable extrusion block, and a second reset spring is arranged on the protruding piece.
Preferably, the dust collecting groove is provided at an edge side of the supporting inclined plate, and the cleaning roller provided on the supporting inclined plate is in contact with the belt body.
Preferably, the fixture blocks correspond to the slots in arrangement positions and are arranged in the same number, and the cross-sectional shapes of the end portions of the fixture blocks are the same as the cross-sectional shapes of the notches of the slots, namely the cross-sections of the fixture blocks are equal in length and width.
Compared with the prior art, the invention has the beneficial effects that:
to the gearbox for conveyer belt of this design, through the connection box that sets up, the dust collection box, the cylinder, clean brush and clean roller bearing, the activity doctor-bar, carry out variable speed regulation and control course to the conveyer belt at the gearbox, can also carry out fine clearance collection to the conveying surperficial dust of conveyer belt, impurity carries out fine clearance, realize the multi-functional use of its gearbox, and use through the cooperation of dust collection box with collection dirt locking mechanical system, not only can carry out fine cleaning work to the conveying surface of conveyer belt, can also carry out fine collection, carry out centralized processing, and then guarantee the normal clear of conveyer belt transport work, avoid causing the pollution to carrying the article, guarantee its quality, improve its and use economic benefits.
Drawings
FIG. 1 is a schematic view of the structural connection of the present invention;
FIG. 2 is an enlarged partial view of the structural joint of FIG. 1 according to the present invention;
FIG. 3 is a bottom view of the structural attachment of the present invention;
FIG. 4 is an enlarged partial view of the structural joint of FIG. 2 according to the present invention;
FIG. 5 is a partial sectional view showing the internal structural connection of the connection case according to the present invention;
FIG. 6 is a partial sectional view showing the internal structural connection of the stationary lug of the drum according to the present invention;
FIG. 7 is a partial sectional view of the internal structural connection of the support swash plate according to the present invention;
FIG. 8 is a top view of the connection between the connection box and the dust collecting box according to the present invention;
FIG. 9 is a bottom view of the connection between the connection box and the dust collecting box according to the present invention;
FIG. 10 is a schematic view of the locking mechanism for dust collection inside the dust box of the present invention;
fig. 11 is an enlarged view of a portion of the structural connection of fig. 10 according to the present invention.
In the figure: the dust collection box comprises a transmission belt body 1, a support frame 2, a gearbox body 3, a power motor 4, a connecting box body 5, a dust collection box 6, a transmission gear set 7, a connecting rotating shaft 8, a roller 9, a fixed convex plate 10, a movable plate 11, a cleaning brush 12, a dust collection groove 13, a supporting inclined plate 14, a cleaning roller 15, a movable scraper 16, a dust collection locking mechanism 17, a clamping groove 1701, a round block 1702, an extrusion lug 1703, a movable handle 1704, a locking round groove 1705, a movable groove 1706, a connecting rod 1707, a support rod 1708, a clamping block 1709, a fixed disc 1710, an auxiliary block 1711, a first movable extrusion block 1712, a locking clamping column 1713, an extrusion chute 1714 and a second movable extrusion block 1715.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: the invention relates to a multipurpose transmission case for a conveyor belt, which comprises a transmission belt main body 1, a transmission case main body 3, a power motor 4, a connecting case body 5, a dust collecting box 6 and a dust collecting locking mechanism 17;
the transmission belt main body 1 is arranged on the support frame 2, one side of the transmission belt main body 1 is connected with a gearbox main body 3, the gearbox main body 3 is provided with a power motor 4, one side of the gearbox main body 3 is provided with a connecting box body 5, and one end of the connecting box body 5 is connected with a dust collection box 6;
a transmission gear set 7 is arranged in the dust collection box 6, the transmission gear set 7 is connected and arranged at one end of a connecting rotating shaft 8, and a roller 9 is arranged at the other end of the connecting rotating shaft 8;
the outer side wall of the roller 9 is equidistantly provided with a fixed convex plate 10, a movable plate 11 is movably arranged in the fixed convex plate 10, one end of the movable plate 11 is equidistantly provided with a first extrusion spring, the other end of the movable plate 11 is bonded with a cleaning brush 12, and the dust collection box 6 is provided with a dust collection groove 13 at the side position of the roller 9;
a supporting inclined plate 14 is arranged at the side position of the notch of the dust collecting groove 13, a cleaning roller 15 is movably arranged on the supporting inclined plate 14, a movable scraping blade 16 is movably arranged in the supporting inclined plate 14, a second extrusion spring is arranged at one end of the movable scraping blade 16 at equal intervals, and the other end of the second extrusion spring is arranged in the supporting inclined plate 14;
a dust collection locking mechanism 17 is provided in the dust box 6.
Further, the dust collecting groove 13 is provided at an edge side position of the supporting inclined plate 14, and the cleaning roller 15 provided on the supporting inclined plate 14 is in contact with the belt body 1.
Furthermore, the dust collection locking mechanism 17 comprises a slot 1701, a round block 1702, a pressing lug 1703, a movable handle 1704, a locking round slot 1705, a movable slot 1706, a connecting rod 1707, a support rod 1708, a clamping block 1709, a fixed disk 1710, an auxiliary block 1711, a first movable pressing block 1712, a locking clamping column 1713, a pressing inclined slot 1714 and a second movable pressing block 1715, wherein the slot 1701 is arranged at two sides of the dust collection slot 13, the bottom end of the dust collection slot 13 is provided with the dust collection box 6 in a clamping way, the round block 1702 is movably arranged in the dust collection box 6, the pressing lug 1703 is symmetrically arranged at two sides of the round block 1702, the movable handle 1704 is arranged in the dust collection box 6 in a penetrating way, the locking round slot 1705 is arranged at one side of the movable handle 1704, the auxiliary block 1711 is symmetrically arranged at the other end of the movable handle 1704, the pressing lug 1703 is movably arranged in the movable slot 1706, the movable slot 1706 is arranged in the fixed lug 1706, the fixed lug sets up the one side at connecting rod 1707, the equidistance of connecting rod 1707 is provided with branch 1708, be provided with fixture block 1709 on the branch 1708, be provided with fixed disk 1710 in the avris position of activity handle 1704 on the dust collection box 6, the activity is provided with first activity extrusion piece 1712 in the fixed disk 1710, the one end of first activity extrusion piece 1712 is provided with locking card post 1713, one side of first activity extrusion piece 1712 is provided with extrusion chute 1714, and first activity extrusion piece 1712 is provided with first reset spring at the end of connecting with locking card post 1713, the activity of second activity extrusion piece 1715 sets up the avris position at extrusion chute 1714, and one side of second activity extrusion piece 1715 is provided with the lug, be provided with second reset spring on the lug.
Further, the catches 1709 are provided at positions corresponding to the positions of the card slots 1701, and the number of sets is the same, and the cross-sectional shape of the end portions of the catches 1709 is the same as the cross-sectional shape of the notches of the card slots 1701, that is, the cross-sections thereof are equal in length and width.
The working principle is as follows: for the transmission case for the conveyor belt designed by the invention, when the transmission belt is subjected to variable speed regulation and control work, the transmission gear set 7 is driven by the power motor 4 to drive the roller 9 to rotate, the movable plate 11 and the cleaning hairbrush 12 arranged on the roller 9 are in contact with the surface of the transmission belt, so that dust and impurities on the surface of the transmission belt are removed, the cleaned dust and impurities enter the dust collecting groove 13 connected with the box body 5, then the surface of the conveyor belt subjected to primary cleaning by the cleaning hairbrush 12 passes through the cleaning roller 15, the cleaning roller 15 carries out secondary cleaning on the surface of the transmission belt, the dust and impurities adhered to the cleaning roller 15 are scraped off by the action of the movable scraping blade 16 and fall into the dust collecting groove 13, and finally enter the dust collecting box 6, and under the long-time accumulation, the dust and impurities accumulated in the dust collecting box 6 are removed, The impurities need to be treated in a centralized manner, firstly the second movable extrusion block 1715 is pressed, the second movable extrusion block 1715 enters the extrusion chute 1714 on the first movable extrusion block 1712, and then the first movable extrusion block 1712 is extruded, so that the first movable extrusion block 1712 drives the locking clamping column 1713 to separate from the locking circular groove 1705 on the movable handle 1704, then the movable handle 1704 is rotated through the auxiliary block 1711, and then the extrusion lugs 1703 on two sides of the circular block 1702 are driven to extrude the connecting rod 1707, and finally the clamping block 1709 is separated from the clamping groove 1701 on the side wall of the dust collecting groove 13, so that the dust collecting box 6 can be rapidly disassembled, namely the dust and the impurities in the dust collecting box can be treated in a centralized manner, therefore, for the gearbox for the conveyor belt designed by the method, the connecting box 5, the dust collecting box 6, the roller 9, the cleaning brush 12, the cleaning roller 15 and the movable scraper 16 are arranged, carry out the variable speed regulation and control working process to the conveyer belt at the gearbox, can also carry out fine clearance collection to the dust on the conveying surface of conveyer belt, impurity, realize the multi-functional use of its gearbox, and use through the cooperation of dust collection box 6 with collection dirt locking mechanical system 17, can not only carry out fine cleaning work to the conveying surface of conveyer belt, can also carry out fine collection, carry out centralized processing, and then guarantee the normal clear of conveyer belt transport work, avoid causing the pollution to carrying the article, guarantee its quality, improve its and use economic benefits.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A gearbox for conveyer belt of multipurpose which characterized in that: comprises a transmission belt main body (1), a gear box main body (3), a power motor (4), a connecting box body (5), a dust collection box (6) and a dust collection locking mechanism (17);
the transmission belt main body (1) is arranged on the support frame (2), one side of the transmission belt main body (1) is connected with a gearbox main body (3), a power motor (4) is arranged on the gearbox main body (3), one side of the gearbox main body (3) is provided with a connecting box body (5), and one end of the connecting box body (5) is connected with a dust collection box (6);
a transmission gear set (7) is arranged in the dust collection box (6), the transmission gear set (7) is connected and arranged at one end of the connecting rotating shaft (8), and a roller (9) is arranged at the other end of the connecting rotating shaft (8);
the outer side wall of the roller (9) is equidistantly provided with fixed convex plates (10), movable plates (11) are movably arranged in the fixed convex plates (10), one ends of the movable plates (11) are equidistantly provided with first extrusion springs, the other ends of the movable plates are bonded with cleaning brushes (12), and dust collecting grooves (13) are formed in the side positions of the dust collecting box (6) on the roller (9);
a supporting inclined plate (14) is arranged at the side position of the notch of the dust collection groove (13), a cleaning roller (15) is movably arranged on the supporting inclined plate (14), a movable scraping blade (16) is movably arranged in the supporting inclined plate (14), a second extrusion spring is arranged at one end of the movable scraping blade (16) at equal intervals, and the other end of the second extrusion spring is arranged in the supporting inclined plate (14);
the dust collection locking mechanism (17) is arranged in the dust collection box (6).
2. A multi-purpose gearbox for a conveyor belt according to claim 1, wherein: the dust collection locking mechanism (17) comprises a clamping groove (1701), a round block (1702), an extrusion lug (1703), a movable handle (1704), a locking round groove (1705), a movable groove (1706), a connecting rod (1707), a support rod (1708), a clamping block (1709), a fixed disc (1710), an auxiliary block (1711), a first movable extrusion block (1712), a locking clamping column (1713), an extrusion chute (1714) and a second movable extrusion block (1715), the clamping groove (1701) is arranged on two sides of the dust collection groove (13), the bottom end of the dust collection groove (13) is provided with a dust collection box (6) in a clamping mode, the round block (1702) is movably arranged in the dust collection box (6), the extrusion lug (1703) is symmetrically arranged on two sides of the round block (1702), the movable handle (1704) is arranged at one end of the round block (1702), the movable handle (1704) is arranged in the dust collection box (6) in a penetrating mode, and the locking round groove (1705) is arranged on one side of the movable handle (, the other end of the movable handle (1704) is symmetrically provided with auxiliary blocks (1711), the extrusion lug (1703) is movably arranged in a movable groove (1706), the movable groove (1706) is arranged in a fixed lug, the fixed lug is arranged on one side of a connecting rod (1707), a strut (1708) is arranged on the connecting rod (1707) at equal distance, a fixture block (1709) is arranged on the strut (1708), a fixed disc (1710) is arranged on the dust collection box (6) at the side position of the movable handle (1704), a first movable extrusion block (1712) is movably arranged in the fixed disc (1710), one end of the first movable extrusion block (1712) is provided with a locking clamp column (1713), one side of the first movable extrusion block (1712) is provided with an extrusion chute (1714), and the first movable extrusion block (1712) is provided with a first reset spring at the end connected with the locking clamp column (1713), and the second movable extrusion block (1715) is movably arranged at the position of the chute (1714), and one side of the second movable extrusion block (1715) is provided with a lug, and a second return spring is arranged on the lug.
3. A multi-purpose gearbox for a conveyor belt according to claim 1, wherein: the dust collecting groove (13) is arranged at the side position of the supporting inclined plate (14), and a cleaning roller (15) arranged on the supporting inclined plate (14) is contacted with the transmission belt main body (1).
4. A multi-purpose gearbox for a conveyor belt according to claim 2, wherein: the fixture blocks (1709) correspond to the arrangement positions of the clamping grooves (1701) and are arranged in the same number, and the cross section of the end parts of the fixture blocks (1709) is the same as that of the notches of the clamping grooves (1701), namely the cross sections of the fixture blocks and the notches are equal in length and width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060856.8A CN112777239B (en) | 2021-01-18 | 2021-01-18 | Multipurpose gearbox for conveyor belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060856.8A CN112777239B (en) | 2021-01-18 | 2021-01-18 | Multipurpose gearbox for conveyor belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112777239A true CN112777239A (en) | 2021-05-11 |
| CN112777239B CN112777239B (en) | 2022-09-20 |
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ID=75756271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110060856.8A Active CN112777239B (en) | 2021-01-18 | 2021-01-18 | Multipurpose gearbox for conveyor belt |
Country Status (1)
| Country | Link |
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| CN (1) | CN112777239B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479746A (en) * | 2021-06-29 | 2021-10-08 | 江苏中宝龙工程机械有限公司 | Construction elevator cage door and construction elevator cage |
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| CN209480602U (en) * | 2018-10-29 | 2019-10-11 | 温州市北极鸥服饰有限公司 | A kind of clothes machining production line special transfer device |
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| CN209618228U (en) * | 2019-02-26 | 2019-11-12 | 安徽红花食品有限公司 | A kind of skin of beancurd processing conveyer belt automatic cleaning mechanism |
| CN111232596A (en) * | 2020-01-15 | 2020-06-05 | 青岛宝井钢材加工配送有限公司 | Automatic cleaning device for annular conveying belt |
| CN111715575A (en) * | 2020-07-14 | 2020-09-29 | 苏州裕谦信息科技有限公司 | Cleaning device for electronic display screen of computer |
| CN112030441A (en) * | 2020-08-31 | 2020-12-04 | 周惠民 | Cloth evener capable of being adjusted according to thickness |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371628A (en) * | 1970-10-02 | 1974-10-23 | Owens Illinois Inc | Article handling apparatus |
| CN201144102Y (en) * | 2007-12-13 | 2008-11-05 | 中国农业大学 | Compound conveyor belt cleaning device |
| CN201520528U (en) * | 2009-07-23 | 2010-07-07 | 杭州景生木业机械有限公司 | Belt cleaning trolley |
| CN204280615U (en) * | 2014-11-28 | 2015-04-22 | 武汉市和利时电力科技有限公司 | Belt cleaning swabbing pig |
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| CN208772068U (en) * | 2018-07-26 | 2019-04-23 | 高阳 | A kind of petroleum pipeline cleaning device |
| CN109023887A (en) * | 2018-08-02 | 2018-12-18 | 苏州瑞众新材料科技有限公司 | A kind of textile cleaning device |
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| CN111715575A (en) * | 2020-07-14 | 2020-09-29 | 苏州裕谦信息科技有限公司 | Cleaning device for electronic display screen of computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479746A (en) * | 2021-06-29 | 2021-10-08 | 江苏中宝龙工程机械有限公司 | Construction elevator cage door and construction elevator cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112777239B (en) | 2022-09-20 |
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